2008-12-05 Frank Ch. Eigler * tapsets.cxx, translate.cxx: Set default elfutils debuginfo_path to start with "+", to enable debuginfo<->stripped checksum checking. * stap.1.in: Note this. 2008-12-05 Kent Sebastian PR7051 * doc/langref.tex, elaborate.cxx, runtime/vsprintf.c, stap.1.in, staptree.cxx, staptree.h, translate.cxx: Remove printf %n directive and references to it in documentation. 2008-12-03 Frank Ch. Eigler PR6925 * configure.ac: Suggest --prefix if configured without. * configure: Regenerated. 2008-12-03 Frank Ch. Eigler PR 5982: rename -B to -r * main.cxx (main): Treat -r REV and -r /PATH as complimentary. Imply -p4 if target mismatches host versions. (usage): Document -r more. * hash.cxx (find_hash): Add in the kernel_build_tree. * buildrun.cxx (compile_pass, kernel_built_uprobes): Simplify logic. * tapsets.cxx (setup_kernel, setup_user): Ditto. * translate.cxx (emit_symbol_data): Ditto. * stap.1.in: Document -r /PATH. 2008-12-01 Rajan Arora PR 5892: Add -B and parameterize all occurences of /lib/modules/... * buildrun.cxx (compile_pass, kernel_built_uprobes): Audit mentions of /lib/modules/... with path to kernel_build_tree provided by -B. * tapsets.cxx (setup_kernel, setup_user, mark_builder::build): Likewise. * translate.cxx (emit_symbol_data): Likewise. * session.h (struct systemtap_session): New member kernel_build_tree. * main.cxx (main): Add case for 'B' and attempt to fetch Version for the kernel build tree using include/config/kernel.release in build path, remove -r REV implies -p4 logic altogether. 2008-11-29 Frank Ch. Eigler Warnings cleanup. * buildrun.cxx (verify_uprobes_uptodate, make_uprobes): Simplify messages. * cache.cxx (add_to_cache, clean_cache): Reset s.use_cache upon failure. * hash.cxx (find_hash): Ditto. * main.cxx (main): Simplify/conditionalize warning messages. Save module to $cwd if last_pass==4 but cache encountered errors. 2008-11-28 Frank Ch. Eigler PR 6965. * translate.cxx (dump_unwindsyms): Tweak symbols for STP_NEED_{SYMBOL,UNWIND}_DATA 2008-11-28 Elliott Baron PR 6965. * translate.cxx (dump_unwindsyms): Output #ifdef for symbol table. 2008-11-28 Frank Ch. Eigler PR 5376. * parse.cxx (parse::parse_probe): Prevent alias names from being marked "?" or "!". 2008-11-28 Frank Ch. Eigler PR 6477. * elaborate.cxx (print_error_source, print_warning): Tolerate NULL token. 2008-11-27 Frank Ch. Eigler PR 7036 From Wenji Huang : * elaborate.cxx (print_error): Don't suppress if listings_mode. * main.cxx (main): Suppress "pass N failed" if listings_mode. 2008-11-26 Stan Cox * tapsets.cxx (dwarf_builder::build): Support debuginfo static uprobes. 2008-11-26 Frank Ch. Eigler * translate.cxx (emit_module_exit): Add another synchronize_sched. 2008-11-26 Frank Ch. Eigler * main.cxx (main): Advise users to try '--vp ...' after a pass error. 2008-11-26 Frank Ch. Eigler * translate.cxx (emit_module_exit): Call synchronize_sched during module shutdown if it's available. * buildrun.cxx (compile_pass): Test for it. 2008-11-25 Frank Ch. Eigler PR 7046. * tapsets.cxx (uprobe*emit_module_decls): Rewrite the generated stap_uprobe_change function, to hold mutex for a shorter period and to produce more meaningful KERN_INFO traces if -DDEBUG_UPROBES. (uprobe*emit_module_exit): Switch to KERN_INFO also. 2008-11-25 Will Cohen * scripts/kernel-doc: Clean up SystemTap function formatting. 2008-11-25 Will Cohen * scripts/kernel-doc: Make executable. 2008-11-25 Will Cohen * scripts/kernel-doc: New. * configure.ac: Add doc/SystemTap_Tapset_Reference/Makefile. * configure, doc/SystemTap_Tapset_Reference/Makefile.in: Regenerate. 2008-11-25 Mark Wielaard * tapsets.cxx (dwarf_derived_probe_group::emit_module_exit): struct stap_dwarf_probe field is called pp, not pp_name. 2008-11-24 Kent Sebastian PR 4978. * stap.1.in (PRINTING): printf directives, more examples. 2008-11-22 Frank Ch. Eigler * tapsets.cxx (MAXUPROBES): Tweak its definition. Use it consistently. * stap.1.in (MAXUPROBES): Document it. 2008-11-22 Frank Ch. Eigler PR 5689. * tapsets.cxx (dwarf_derived_probe_group::emit_module_exit,decls): Print kprobe missed stats if STP_TIMING. (uprobe_derived_probe_group::emit_module_exit,declx): Track uprobe missed stats if STP_TIMING> * translate.cxx (emit_module_exit): Print uprobe missed stats. 2008-11-21 Frank Ch. Eigler PR 5689. * tapsets.cxx (common_probe_entryfn_{pro,epi}logue): Track separate skip counts for low-stack and reentrancy conditions. * translate.cxx (emit_common_header): Declare counters. (emit_module_exit): Print them. (emit_unlocks): Don't bother redundantly testing skipped_count. 2008-11-21 Frank Ch. Eigler * translate.cxx (emit_module_exit): Perform shutdown probe synchronization after all unregistrations and end/error probe runs. 2008-11-20 Frank Ch. Eigler PR 5689 * translate.cxx (emit_global, emit_global_init, emit_module_exit, emit_locks): Track & print global.s_VAR_lock_skip_count. 2008-11-20 Frank Ch. Eigler * main.cxx (main): Correct thinko in --vp option with <5 arg chars. 2008-11-18 Jim Keniston PR 6879 * runtime/uprobes2/uprobes_x86.c: Allow probing of instructions with fs: and gs: prefixes. Apply fix from runtime/uprobes. 2008-11-18 Frank Ch. Eigler PR6925. * main.cxx (usage,main): Process new --vp option. * session.h (perpass_verbose): New field. 2008-11-11 Stan Cox * Makefile.am (pkglib_LIBRARIES): New. * Makefile.in: Regenerated * stapprobes.5.in (process.mark): New. * tapsets.cxx (register_patterns): Add process.mark. (dwarf_builder::build): Likewise. 2008-11-14 Frank Ch. Eigler * tapsets.cxx (common_probe_entryfn_{pro,epi}logue): Set "interruptible" to default true, thus disabling local_irq_* calls for all current probe point types. 2008-11-13 Wenji Huang PR 7000 * translate.cxx (c_unparser::visit_print_format): Add checking bound for actual parameters. 2008-11-13 Frank Ch. Eigler * systemtap.spec, configure.ac: Bump version to 0.8. * configure.in: Regenerated. 2008-11-11 Przemysław Pawełczyk Mark Wielaard * tapsets.cxx (find_variable_and_frame_base): Add scope name to semantic error messages if available. 2008-11-06 Wenji Huang PR 6998 * tapsets.cxx (profile_builder): Add default kernel symbols to profile. 2008-11-06 Stan Cox * tapsets.cxx (dwflpp::module_address_to_global): ET_EXEC needs no further relocation. 2008-11-04 Frank Ch. Eigler From Masami Hiramatsu , PR 6028. * tapsets.cxx (dwarf_derived_probe): New field access_vars, for tracking result from .. (dwarf_var_expanding_copy_visitor): Collect a flag about whether any $expressions appear within. (emit_probe_local_init): ... and run ia64 bspcache() on if true. 2008-11-03 Jim Keniston Add a version of uprobes that works with the 2.6.27 version of utrace. * runtime/uprobes2/uprobes.[ch]: uprobes2 * runtime/uprobes2/uprobes_x86.[ch]: Simplified to use post-2.6.24 unified pt_regs names ("ax" rather than "eax" or "rax"). * runtime/uprobes2/uprobes_arch.[ch]: Pull in the arch-specific file from the appropriate directory. * runtime/uprobes/uprobes.[ch]: #ifdef added to pull in file from ../uprobes2 if we're running the new utrace. * runtime/uprobes/Makefile: Updated * Makefile.am: Install runtime/uprobes2/*. * Makefile.in: Regenerated * buildrun.cxx: Always copy uprobes's Module.symvers into the directory where stap builds the script .ko. 2008-11-03 Mark Wielaard * tapsets.cxx (literal_stmt_for_return): Add function name and file to semantic error messages. 2008-10-29 Frank Ch. Eigler * translate.cxx (dump_unwindsyms): Work on CONFIG_RELOCATABLE=n kernels, or for whatever other scenarios dwfl_module_relocation_info might return NULL. 2008-10-27 Josh Stone * translate.cxx (c_unparser::visit_print_format): Fix the argument passed for printf %c formats. 2008-10-27 Rajan Arora * elaborate.cxx (add_global_var_display): Added check for globals from tapsets. 2008-10-24 Josh Stone * tapsets.cxx (hrtimer_derived_probe_group::emit_module_decls): Support the new abstractions around the hrtimer expires field. The field is renamed starting in 2.6.28-rc1, but accessor functions are provided for general access. * buildrun.cxx (compile_pass): Added autoconf-hrtimer-getset-expires.c 2008-10-24 Jim Keniston PR6946 * tapsets.cxx: Allow probing of 32-bit ppc apps with a ppc64 kernel. 2008-10-20 Elliott Baron PR6851 * elaborate.cxx (typeresolution_info::visit_print_format): add case for conv_char. * staptree.cxx (print_format::components_to_string): add case for conv_char. (print_format::string_to_components): add parsing for "c" conversion. * staptree.h (enum conversion_type): add conv_char member. 2008-10-17 Frank Ch. Eigler * stap-report: Add kernel config extracts. Generate to stdout. * Makefile.am (bin_SCRIPTS): Install it. * systemtap.spec: Package it. * Makefile.in: Regenerated. 2008-10-17 Jim Keniston PR6923 * runtime/autoconf-oneachcpu-retry.c: Compiles successfully on old kernels. 2008-10-14 Kent Sebastian * cache.cxx (cache_clean): Minor changes, mainly stylistic. * session.h: remove cache_max member var (used only in cache.cxx now) 2008-10-10 Frank Ch. Eigler PR6749 * tapsets.cxx (dwarf_derived_probe_group::emit_module_init): Tolerate failed register_*kprobe during initialization; warn instead. 2008-10-10 Kent Sebastian * cache.cxx (cache_clean): New group of functions implementing cache size limiting. 2008-10-09 Rajan Arora * elaborate.cxx (systemtap_session::print_error_source): New. (systemtap_session::print_error): Call it. (systemtap_session::print_warning): Likewise. * parse.cxx (parser::print_error): Likewise. * session.h (struct systemtap_session::print_error_source): Declare it. * parse.cxx (lexer::get_input_contents): New. (parser::parse): Call it. (lexer::set_current_file): New. (parser::parse): Call it. * parse.h (class lexer::get_input_contents): Declare it. (class lexer::set_current_file): Declare it. (class lexer): New member current_file. (class lexer): Update input_contents from vector to std::string. (struct source_loc): New member stap_file. * staptree.h (struct stapfile): New member file_contents. 2008-10-09 Stan Cox * tapsets.cxx (query_cu): Fix typo. 2008-10-06 Wenji Huang PR 4886 * translate.cxx (dump_unwindsyms): Extract build-id from debuginfo. (emit_module_init): Check build-id if able. 2008-10-03 Jim Keniston PR 6850 * runtime/uprobes/uprobes.c: When a probed process forks with uretprobe_instances outstanding, create a uprobe_process and uprobe_task for the child, and clone the uretprobe_instances. This requires us to allow the SSOL vma to be copied on fork. * testsuite/systemtap.base/bz6850.{exp,c,stp}: new test case 2008-09-30 Mark Wielaard * tapsets.cxx (literal_stmt_for_local): Check if alternatives can be provided after calling dwarf_formref_die. (literal_stmt_for_return): Likewise. 2008-09-26 Frank Ch. Eigler * elaborate.cxx (add_global_var_display): Implicitly sort arrays. 2008-09-26 Frank Ch. Eigler PR 6916 * elaborate.cxx (systemtap_session::print_error): Fix duplicate elimination in face of token compression. * tapsets.cxx (literal_stmt_for_local, literal_stmt_for_return): Change error message to fit old pattern. 2008-09-26 Frank Ch. Eigler BZ 6829: avoid calling unregister_uprobe() when responding to a task-finder exec/exit callback, as uprobes likes to clean such things up by itself. 2008-09-12 Prerna Saxena BZ 3016 : Handling members of anonymous structs/unions * tapsets.cxx (translate_components, print_members) : enable translator to identify members of anonymous structs / unions. * testsuite/semok/thirtythree.stp : New test-case. * NEWS : Modify translator code to identify members of anonymous structs/unions. 2008-09-24 Mark Wielaard * dwarf_wrappers.cxx (dwfl_assert(string,bool)): Call dwfl_assert(string,int), not dwarf_assert(). 2008-09-12 Dave Brolley * stap-client (staprun_PATH): Ensure that $first_stap is not empty. * stap-start-server: Use 'ps' to check that the server started. 2008-09-12 Masami Hiramatsu BZ 6028 * tapsets.cxx (dwarf_derived_probe::emit_probe_local_init): Use REG_IP instead of pp to check probe address. 2008-09-12 Frank Ch. Eigler GCC 4.4 (var-tracking) build-compatilibity. * parse.h: #include . * tapsets.cxx (utrace_...::visit_target_symbol_arg): Use lex_cast(foo) instead of atoi(foo.c_str()) for simpler c++ object lifetime. * Makefile.am (staprun_CFLAGS, stapio_CFLAGS): Add -fno-strict-aliasing, since that code is too casual with pointers. * Makefile.in: Regenerated. 2008-09-12 Dave Brolley PR6881. From Eugeniy Meshcheryakov eugen@debian.org: * stap-server.8.in: Correct formatting problems. 2008-09-12 Dave Brolley * stap-find-servers (match_server): Don't read past the start of the next server description. Don't use '^' at the start of the regexp on calls to 'expr'. * systemtap.spec: client and server sub packages require avahi. 2008-09-12 Wenji Huang * elaborate.cxx (add_global_var_display): Don't, in listing mode. 2008-09-11 Frank Ch. Eigler PR 6871. * tapsets.cxx (query_cu): Search for prologues for user-space probes. (query_func_info): Use prologue_end if available; silently back down to entrypc probing if needed. 2008-09-10 Josh Stone * main.cxx (printscript): Ensure no variables are printed in probe lists unless -L was specified. 2008-09-10 Frank Ch. Eigler * parse.cxx, parse.h: Rewrite scanner lookahead data structure to a simple ~fixed vector. 2008-09-10 Frank Ch. Eigler PR6876: translator speedup for many $vars * session.h (systemtap_session.functions): vector->map. * coveragedb.cxx, elaborate.cxx, main.cxx, tapsets.cxx, translate.cxx: Adapt all users. 2008-09-10 Mark Wielaard * configure.ac: Check for dwarf_getelf. elfutils 0.126+. Use AM_PROG_MKDIR_P instead of AC_PROG_MKDIR_P. * Makefile.in: Regenerated. * aclocal.m4: Likewise. * config.in: Likewise. * configure: Likewise. 2008-09-10 Dave Brolley * systemtap.spec: Remove avahi-tools and nc from dependencies for systemtap and systemtap-runtime packages. Remove stap-* scripts from %files of systemtap and systemtap-runtime packages. Make sure systemattap-runtime only picks up staprun.8* man pages. Create new systemtap-client and systemtap-server packages. * NEWS: Add network security warning for the systemtap client/server. 2008-09-10 Mark Wielaard * translate.cxx (dump_unwindsyms): Rename module_base output to dwarf_module_base. 2008-09-10 Mark Wielaard * translate.cxx (dump_unwindsyms): Output module_base. 2008-09-10 Mark Wielaard * translate.cxx (get_unwind_data): New function. (dump_unwindsyms): Output unwind data. 2008-09-09 Masami Hiramatsu * stapprobes.5.in: Added a description about $return. * NEWS: Ditto. * tapsets.cxx (utrace_var_expanding_copy_visitor): Change visit_target_symbol_syscall() to visit_target_symbol_context(). (utrace_var_expanding_copy_visitor::visit_target_symbol_context): Handle not only $syscall but also $return. (utrace_var_expanding_copy_visitor::visit_target_symbol): Ditto. 2008-09-09 Masami Hiramatsu * stapprobes.5.in: Added a description about $argN. * NEWS: Ditto. * tapsets.cxx (utrace_var_expanding_copy_visitor): Added visit_target_symbol_arg() and visit_target_symbol_syscall(). (visit_target_symbol_arg): New function for handling $argN. (visit_target_symbol_syscall): New function for handling $syscall. (visit_target_symbol): Use visit_target_symbol_arg() and visit_target_symbol_syscall(). 2008-09-09 Masami Hiramatsu * stapprobes.5.in : Added a line for $name context variable. * translate.cxx (c_unparser::emit_common_header): Add marker_name and marker_format fields to context. * tapsets.cxx (common_probe_entryfn_prologue) : Ditto. (mark_derived_probe_group::emit_module_decls) : Ditto. (mark_var_expanding_copy_visitor) : change visit_target_symbol_format to visit_target_symbol_context. (mark_var_expanding_copy_visitor::visit_target_symbol_context): handle not only $format but also $name. (mark_var_expanding_copy_visitor::visit_target_symbol): Ditto. 2008-09-07 Frank Ch. Eigler * tapsets.cxx (build_blacklist): Add some x86 raw port-io spots. 2008-09-06 Frank Ch. Eigler * tapsets.cxx (utrace_derived_probe ctor): Handle process.* probe point reverse engineering (pid- and path-less). 2008-09-05 Stan Cox * elaborate.cxx (add_global_var_display): Handle scalar statistics. 2008-09-05 Frank Ch. Eigler * configure.ac, Makefile.am, systemtap.spec: Don't look for libcap. * configure, Makefile.in: Regenerated. 2008-09-05 Wenji Huang PR 6731. * main.cxx (usage,main,printscript): Improve listing mode with "-L". * stap.1.in, stapex.5.in: Document it. 2008-09-04 Frank Ch. Eigler * main.cxx (usage): Remove some dwarfless items. 2008-09-02 Frank Ch. Eigler * tapsets.cxx (uprobe..emit_module_init): Leave dying-uprobe loop as early as possible. 2008-09-02 Stan Cox * elaborate.cxx (add_global_var_display): Simplify token use. 2008-09-02 Frank Ch. Eigler PR4225. * tapsets.cxx (generated stap_uprobe_change): Fix major thinko that falsely triggered a slew of uprobe_unregister's for each plain register. (uprobe_derived_probe_group::emit_module_init): Add code to generate printk's for uprobe activities, if -DDEBUG_UPROBES. 2008-09-02 Frank Ch. Eigler PR4225 merge. * tapsets.cxx: Add prototype user-space probing support. Collateral damage breaks symbol-table-only (dwarfless) probing, PR6864. (setup_user, setup_kernel): Split & reorganized. (class uprobe_derived_probe): Nearly all new code. (base_query): Add "has_module" and "has_process" flags. (dwarf_builder): Add "user_dw" map. (dwarf_query::add_probe_point): Use ".dynamic" pseudo-reloc-base for ET_DYN modules; ".absolute" for ET_EXEC. (register_patterns): Register process(...) uprobe-based probes. (task_finder_derived_probe_group::create_session_group): Let runtime code assert CONFIG_UTRACE. (base_query ctor, dwarf_builder::build, itrace_builder, utrace_derived_probe): Use find_executable() to resolve FOO path in process("FOO"). (utrace_derived_probe ctor): Reverse-engineer probe point. * main.cxx (main): Don't override $PATH etc. * util.cxx (find_executable): Reorganize, simplify, canonicalize. * util.h, hash.cxx: Corresponding changes. 2008-09-02 Wenji Huang * tapsets.cxx (query_func_info): Disable prologue searching in no-dwarf testing. 2008-09-01 Stan Cox * elaborate.cxx (add_global_var_display): Also handle statistics. 2008-08-29 Dave Brolley * stap-server.8.in: New man page. * NEWS: Announce the availability of the client/server. * Makefile.am (man_MANS): Add stap-server.8. * configure.ac (AC_CONFIG_FILE): Add stap-server.8. * Makefile.in: Regenerated. * configure: Regenerated. 2008-08-29 Stan Cox * elaborate.cxx (add_global_var_display): Repopulate symbol/type info. 2008-08-29 David Smith * tapsets.cxx (utrace_derived_probe_group::emit_probe_decl): Pushed quiesce logic down into the task_finder layer. (utrace_derived_probe_group::emit_module_decls): Removed quiesce handler routines. Syscall probe handler detaches if systemtap state isn't correct. 2008-08-29 Wenji Huang * main.cxx (printscript): Print variable name and type for listing mode. 2008-08-28 Frank Ch. Eigler * elaborate.cxx (add_global_var_display): Render array indexes in [key,key,key] vs. [key][key][key] form. 2008-08-27 Stan Cox * elaborate.cxx (add_global_var_display): New. (semantic_pass): Call it. (dead_assignment_remover::visit_assignment): Don't remove written but unread global variables. * NEWS, stap.1.in: Document 2008-08-26 David Smith * buildrun.cxx (compile_pass): Added autoconf-dpath-path.c. * Makefile.am: Simplified "rpm" target a bit. * Makefile.in: Regenerated. * Makefile.am: Moved tar archive creation step from "rpm" target into "dist-gzip" target. * Makefile.in: Regenerated. 2008-08-25 Frank Ch. Eigler * Makefile.am (AUTOMAKE_OPTIONS): Add "no-dist". Remove all "make dist"-oriented targets and macros. (rpm): Rewrite. Allow parametrization with RPMBUILDFLAGS=. * Makefile.in: Regenerated. * systemtap.spec: Make configuration macros at top overridable. 2008-08-25 David Smith * tapsets.cxx (utrace_derived_probe_group::emit_module_init): Make sure we count the number of utrace probes correctly. (utrace_derived_probe_group::emit_module_exit): Ditto. 2008-08-25 Dave Brolley * Makefile.am (installcheck): Remove $(EXTRA_SYSTEMTAP_PATH) from invocation of $(MAKE). * Makefile.in: Regenerated. * aclocal.m4: Regenerated. * stap-client (parse_options): Don't quote an argument if it is already quoted. (send_request): Timeout after 10 seconds. (receive_response): Timeout after 5 minutes. (choose_server): Add missing $ to variable reference. (connect_to_server): Timeout after 10 seconds. * stap-server (receive_request): Don't check for a "request:" message. Timeout after 10 seconds. (send_response): Timeout after 10 seconds. * stap-serverd (initialization): Remove tmpdir_prefix_serverd and port2. No need for a temp directory. (listen): Fifo no longer necessary. Call nc and pipe the output to process_request in the background. (process_request): New function. (fatal): Kill stap-server followed by nc. No tmpdir to remove. 2008-08-24 Frank Ch. Eigler * tapsets.cxx (query_statement): Leave empty string for unknown file name. (dwarf_derived_probe ctor): Don't synthesize "@filename:lineno" probe point pieces for unknown files/lines. 2008-08-21 David Smith * tapsets.cxx (itrace_derived_probe_group::emit_module_decls): Updated task finder callback function signature. (utrace_derived_probe_group::emit_module_decls): Ditto. 2008-08-20 David Smith * tapsets.cxx (utrace_derived_probe_group::emit_probe_decl): Supports original and new utrace interfaces. (utrace_derived_probe_group::emit_module_decls): Ditto. 2008-08-20 Dave Brolley * stap-client: Ignore SIGHUP and SIGPIPE. (initialization): Set b_specified.: (parse_options): Handle the -b option. Quote $stap_arg. Use process_m. (process_m): New function. (process_o): Set stdout_redirection to simply the filename. (process_response): Obtain the exit code from stap on the server side. Copy the module to the current directory if -m was specified. Call stream_output. (stream_output): It's back. (maybe_call_staprun): Print status messages for -v. Leave v_level unchanged. Pass -o option to staprun. Wait until the staprun job disappears. (terminate): Redirect message to stderr. (interrupt): Only kill staprun if it's still running. Call cleanup if exiting. (ignore_signal): New function. * stap-server (receive_request): Quote the job specifier. (send_response): Likewise. (read_data_file): Use read to check the first line. Use cat the read the entire file. * stap-serverd (listen): Quote job specifier. (terminate): Likewise. 2008-08-19 David Smith PR 6841 * tapsets.cxx (utrace_derived_probe_group::emit_probe_decl): Workaround utrace bug by quiescing threads before attaching a utrace syscall engine to them. (utrace_derived_probe_group::emit_module_decls): Emit quiesce handler. 2008-08-18 David Smith * tapsets.cxx (register_standard_tapsets): Add missing 'process.syscall' and 'process.syscall.return' bindings. 2008-08-16 Mark Wielaard * configure.ac (build_elfutils): Mention possible distro specific elfutils development sub-packages needed when not found. 2008-08-15 David Smith * tapsets.cxx (utrace_builder::build): Change system-wide probes from 'process("*").begin' to 'process.begin'. (register_standard_tapsets): Add new 'process' binding. * stapprobes.5.in: Change system-wide probes from 'process("*").begin' to 'process.begin'. 2008-08-15 Frank Ch. Eigler PR 6836 * tapsets.cxx (dwarf_var...visit_target_symbol): Emit "return=0xf00" instead of "$return=0xf00" for $$return, for consistency with other variables. * NEWS, stapprobes.5.in: Update. 2008-08-15 Frank Ch. Eigler PR 6836. * tapsets.cxx (dwarf_var...visit_target_symbol): Show "var=?" for unlocatable variables. Support $$return. Make sure $$parms/etc. work in .return probes too. * testsuite/semok/thirtytwo.stp: New test. * NEWS, stapprobes.5.in: Document them. 2008-08-15 Michael Meeks * configure.ac: suggest (SUSE) package name for dwfl. * buildrun.cxx (compile_pass): if extremely verbose, pass through output from stap checks - helps to debug generic test compile problems. 2008-08-14 Dave Brolley PR 6834 * stap-client (initialization): initialize staprun_running. (send_request): No server response message required. (receive_response): No server response message required. Simply receive the tar file. The tar file should contain a file called 'rc'. (connect_to_server): Use 'nc'. (disconnect_from_server): No action required. (process_response): Renamed from 'stream_output'. Obtain the exit code from the 'rc' file. (maybe_call_staprun): set 'staprun_running' while staprun is running. (check_server_error): Removed. (server_fatal): Removed. (cleanup): Redirect stderr of 'kill' to /dev/null. (interrupt): Pass SIGINT on to staprun, if it is running. Otherwise, exit. * stap-server (initialization): Create the server temp directory here... (unpack_request): ... not here. (receive_request): Don't send a ready message. (create_response): Write the exit code of 'stap' to the 'rc' file. (send_response): Don't send a status message. (fatal,error): Redirect to $tmpdir_server/stderr. 2008-08-13 Dave Brolley * stap-client: Trap SIGTERM and SIGINT. (unpack_response): chown of the systemtap temp directory before we move it and only if we didn't create it. (maybe_call_staprun): Check $e_script when determining whether a script was specified. Provide the -c option to staprun. Run staprun in the background and wait for it. (terminate,interupt): New functions. 2008-08-13 Frank Ch. Eigler * Makefile.am (stamp-elfutils): Override build-elfutils' bin_PROGRAMS to not bother build binaries we're not using. * Makefile.in: Regenerated. 2008-08-12 Frank Ch. Eigler * buildrun.cxx (compile_pass): Add ugly kbuild hack for hand-built x86 kernels that are made with O= (separate object/module-building directory). 2008-08-12 David Smith PR 6445 (partial) * tapsets.cxx (utrace_builder::build): Validates pid and allows probing of "*" to mean all threads. * stapprobes.5.in: Added note about a process path of "*" means to probe all threads. 2008-08-11 Wenji Huang * tapsets.cxx : Fixed compilation warning on gcc 3.x. 2008-08-11 Frank Ch. Eigler * tapsets.cxx (translate_final_fetch_or_store): Reject some unhandleable types such as floats. (dwarf_var...visit_target_symbol): Tweak logic of $$var expansion to quietly skip over any $context variables that cause exceptions. 2008-08-11 Frank Ch. Eigler * tapsets.cxx (translate_final_fetch_or_store): Reject some unhandleable types such as floats. (dwarf_var...visit_target_symbol): Tweak logic of $$var expansion to quietly skip over any $context variables that cause exceptions. 2008-08-11 Frank Ch. Eigler * tapsets.cxx (dwarf_var_expanding...visit_target_symbol): Don't add a \n at the end of $$vars/$$parms/$$locals. 2008-08-11 Frank Ch. Eigler PR5049 * tapsets.cxx (cu_name_matches, collect_srcfiles_matching): Implicitly but optionally prefix probe source filenames with "*/". * stapprobes.5.in: Document this. 2008-08-11 Dave Brolley * stap-client (disconnect_from_server): Call after receive_response. * stap-server (stap_rc): Renamed from 'rc'. Don't use it as an exit code. * stap-serverd (listen): Set pipefail so that we get the rc of nc if it fails. Make multiple attempts to establish a server. (fatal): Call 'terminate'. 2008-08-11 Frank Ch. Eigler PR5049 * tapsets.cxx (cu_name_matches, collect_srcfiles_matching): Implicitly prefix probe source filenames with "*". 2008-08-11 David Smith * tapsets.cxx (utrace_builder::build): Fixed indentation. 2008-08-11 Mark Wielaard * Makefile.am (install-data-local): Use INSTALL_PROGRAM for executable stp scripts. * Makefile.in: Regenerated. 2008-08-09 Frank Ch. Eigler * Makefile.am (example index): Only warn and instruct on index regeneration. Do not actually perform it as the source tree should be considered (and can really be) read-only. * Makefile.in: Regenerated. 2008-08-08 Dave Brolley * stap-client: Use quotes when echoing. Exit with $rc. (initialization): Initialize 'rc'. (parse_options): Manage the command line in three pieces: pre-script name, script name, post-script name. (process_*): Likewise. (send_request): Redirect stdout of 'nc' to /dev/null. (receive_response): Handle "failed:" response. Redirect stdin of 'nc' from /dev/zero. (maybe_call_staprun): Check $rc. Check the requested phase limit before looking for the module. * stap-server: Use quotes when echoing. Exit with $rc. (initialization): Initialize 'rc'. (receive_request): Start 'nc' in the background before sending the "ready:" message. Redirect stdin of 'nc' from /dev/zero. (read_data_file): Allow for multiple lines of data. (call_stap): Quoet $cmdline. Set 'rc'. (send_response): Send "failed:" if stap is unsuccessful. Start 'nc' in the background before sending the response. (cleanup): Kill any running 'nc' job. (terminate): Exit with $rc. * stap-serverd: Start the server before advertising our presence. * stap-find-or-start-server: Echo 0 if a server is already running. Echo -1 if no server is running and one can't be started. * stap-start-server: Wait until the server starts before exiting. Exit with 1 if the server does not start. * systemtap.spec: Move client side script to the runtime sub package. The main package and the runtime sub package both depend on avahi-tools and nc. * Makefile.am: Revert previous changes. Now done in testsuite/lib/systemtap.exp. * Makefile.in: Regenerated. 2008-08-08 David Smith * tapsets.cxx (utrace_derived_probe_group::emit_module_decls): Calls stap_utrace_detach() to perform detach. 2008-08-08 Mark Wielaard * Makefile.am (EXAMPLE_BUILD_DIR): Removed. Examples indexes are always in srcdir. (dist-hook): Always install examples from srcdir. * Makefile.in: Regenerated. 2008-08-08 Mark Wielaard * Makefile.am (rpm): Refer to srcdir spec file so make rpm works in builddir. * Makefile.in: Regenerated. 2008-08-08 Mark Wielaard * systemtap.spec: Disable chmodding of samples/kmalloc-top. It is currently not installed. 2008-08-08 Mark Wielaard * Makefile.am (all-local): Depend on example_index, which now doesn't generate anything in $srcdir anymore, only $builddir. (EXAMPLE_SOURCE_DIR): New var. (EXAMPLE_BUILD_DIR): New var. (EXAMPLE_META_FILES): New var. (EXAMPLE_INDEX_GEN): New var. (example_index): New target. ($EXAMPLE_BUILD_DIR/index.html): Likewise. (install-data-local): Install examples from $buildir. * Makefile.in: Regenerated. * aclocal.m4: Likewise. 2008-08-07 Frank Ch. Eigler * Makefile.am (all-local): Don't run indexing code, since $srcdir may be read-only. (install-data): Simplify sample script installation; limit sources to systemtap.examples directory only. * Makefile.in: Regenerated. 2008-08-07 Mark Wielaard * Makefile.am (all-local): Add example_index. (dist-hook): Likewise. (EXAMPLE_SRC): Add index and support files. (EXAMPLE_INDEXES): New file list. (example_index): New target. (clean-local): Remove generated indexes. * Makefile.in: Regenerated. 2008-08-07 Mark Wielaard * systemtap.spec: Add comment about versioned vs unversioned docs. 2008-08-06 Frank Ch. Eigler * stap-find-servers (match_server, client_sysinfo): Use "sysinfo=...." keyword in mdns TXT record. * stap-serverd (advertise_presence): Ditto. (initialization): Locate random usable server port if needed. (listen): Complain if port turns out to be unusable after all. 2008-08-06 Josh Stone PR 6820 From Eugeniy Meshcheryakov eugen@debian.org: * staprun.8.in: fix minor formatting problems 2008-08-05 Stan Cox * NEWS: Updated $$vars, $$parms, $$locals. * tapsets.cxx (visit_target_symbol): Missing break typo. 2008-08-04 Stan Cox * tapsets.cxx (dwarf_var_expanding_copy_visitor::visit_target_symbol): Add support for $$vars, $$parms, and $$locals. * stapprobes.5.in: Likewise. * doc/langref.tex: Likewise. 2008-08-02 Frank Ch. Eigler * translate.h (translator_output::assert_0_indent): New function. * translate.cxx (emit_*): Add a couple of calls to confirm newline(1)/(-1) nest matching. 2008-07-30 Dave Brolley * stap-client (create_request): No need for random suffix for cmdline and sysinfo files. * stap-server (read_data_file): File name is exactly as specified. Check that it exists. 2008-07-29 Dave Brolley * Makefile.am (bin_SCRIPTS): add stap-find-servers, stap-start-server, stap-find-or-start-server, stap-stop-server. (EXTRA_DIST): Likewise. (check): Ensure that a compatible systemtap server is running before running the tests, if requested. If we start a sterver, stop it after running the tests. (installcheck): Likewise. * stap-client (parse_options): Specify stdin as 'scripts/-' on the generated command line. (create_request): Use $script_file instead of '-'. (unpack_response): Existence of the systemtap temp directory is optional. (find_and_connect_to_server): Use stap-find-servers and choose_server. (choose_server): Rewritten from match_server. Examine multiple servers. (connect_to_server): New function. (maybe_call_staprun): Check for existence of a module. Use staprun_PATH. (staprun_PATH): New function. (fatal): Call disconnect_from_server. (server_fatal): Likewise. * stap-server: Catch SIGTERM and SIGINT. (create_response): Check for the existence of $tmpdir_stap. (terminate): New function. * stap-serverd: Catch SIGTERM and SIGINT. (listen): Run 'nc | stap-server' in the background and wait for them to finish. (terminate): Renamed from handle_sigint. Kill avahi-publish-service and nc. * systemtap.spec: Add stap-find-servers, stap-start-server, stap-find-or-start-server, stap-stop-server. * Makefile.in: Regenerated. 2008-07-28 Dave Nomura * session.h (struct systemtap_session): Added itrace_derived_probe group. * elaborate.cxx (systemtap_session::systemtap_session): Added initialization of itrace_derived_probes. * tapsets.cxx (struct itrace_derived_probe): Add derived_probe struct for holding info needed by itrace probes. (struct itrace_derived_probe_group): New derived_probe_group to handle itrace probes. (itrace_derived_probe::itrace_derived_probe): Needed for use with task_finder. (itrace_derived_probe_group::join_group): Ditto. (itrace_derived_probe_group::enroll): Ditto. (itrace_derived_probe_group::emit_probe_decl): Ditto. (itrace_derived_probe_group::emit_module_decls): Ditto. (itrace_derived_probe_group::emit_module_init): Ditto. (itrace_derived_probe_group::emit_module_exit): Ditto. * stapprobes.5.in : Added documentation of itrace probe. 2008-07-24 Josh Stone * buildrun.cxx (compile_pass): Remove STAPCONF_MODULE_NSECTIONS, and add STAPCONF_ONEACHCPU_RETRY 2008-07-23 Frank Ch. Eigler From James Bottomley : * tapsets.cxx (query_dwarf_func): Silently skip inlined function instances that have no entrypc. 2008-07-18 Masami Hiramatsu BZ 442528 (PR6028) * tapsets.cxx (emit_module_decls): Add dummy kprobe on ia64. (emit_module_init): register dummy kprobes for fixing bsp offset on ia64. (emit_module_exit): unregister dummy kprobes on ia64. 2008-07-18 Frank Ch. Eigler BZ 442528, From Masami Hiramatsu * elaborate.h (emit_probe_local_init): New derived_probe member. * tapsets.cxx (dwarf_derived_probe): Implement it, for ia64 register unwind caching. 2008-07-17 Stan Cox * tapsets.cxx (iterate_over_srcfile_lines): Avoid statement wildcard lines without a unique address. 2008-07-17 * main.cxx (handle_interrupt): Forward received signal to process group. 2008-07-17 Masami Hiramatsu * systemtap.spec (%files): Add stap-server and stap-serverd. (%files runtime): Add stap-client. 2008-07-17 David Smith * systemtap.spec: Moved comment that was on the same line as "Version", which rpmbuild didn't like. 2008-07-17 Frank Ch. Eigler * translate.cxx (dump_unwindsyms): Produce symbol tables and section lists for all text-like sections, useful for -ffunction-sections type kernel modules. (emit_symbol_data): Tolerate missing unwind/symbol data during elf processing. Subsequently warn about anything missing. 2008-07-16 Frank Ch. Eigler * configure.ac: Bumped version to 0.7.1. * systemtap.spec: Renamed from systemtap.spec.in; don't autoconf it just on account of @VERSION@. * Makefile.am (EXTRA_DIST): Distribute it. * Makefile.in, configure, testsuite/configure: Regenerated. 2008-07-16 Dave Brolley * Makefile.am (EXTRA_DIST): Add stap-client, stap-server, stap-serverd. * Makefile.in: Regenerated. 2008-07-14 David Smith * tapsets.cxx (utrace_var_expanding_copy_visitor::visit_target_symbol): Synthesize a function to get the value of $syscall. 2008-07-14 Dave Brolley * Makefile.am (bin_SCRIPTS): Add stap-client, stap-server, stap-serverd. * Makefile.in: Regenerated. * aclocal.m4: Regenerated. 2008-07-12 Frank Ch. Eigler PR 6738. * buildrun.cxx (compile_pass): Add autoconf-uaccess.c. * translate.cxx (translate_pass): #include for maximum version compatibility for UTS_RELEASE. 2008-07-12 Frank Ch. Eigler By Andy Fitzsimon : * smileytap.svg: New file. 2008-07-11 Frank Ch. Eigler PR 6739 * tapsets.cxx (global_alias_cache): Make this a per-module/cu cache, just like the function cache. (update_alias_cache): Removed. Instead ... (declaration_resolve): Compute the lookup table for this module/cu, but only once. 2008-07-11 Frank Ch. Eigler * translate.cxx (dump_unwindsyms): Start tolerating user-space programs, which may be unrelocatable. 2008-07-11 Frank Ch. Eigler * hash.cxx (find_hash): Mix in -d MODULE names. 2008-07-10 Frank Ch. Eigler * main.cxx (main): If "-k" (save temp directory) was supplied, disable caching. 2008-07-10 Frank Ch. Eigler PR 6703. * tapsets.cxx (mark_dwarf_redundancies): Tweak hashtable/iterator syntax for gcc 4.1 compatibility. 2008-07-10 Frank Ch. Eigler PR 6736. * main.cxx (main,usage): Support new "-d MODULE" option to populate comp-unwindsyms module list. * stap.1.in: Document it. * tapsets.cxx (dwarf_query::add_probe_point): Add probed module to comp-unwindsyms set. (utrace_builder::build): Ditto for probed user-space program. * translate.cxx (emit_symbol_data): Emit _stp_module[] entry for each comp-unwindsyms member, including relocation bases and symbols, but not yet unwind data. * NEWS: Remove mention of temporarily disabled unwinder. * session.h: Corresponding changes. 2008-07-09 Mark Wielaard PR 6732 * buildrun.cxx (compile_pass): Define STAPCONF_REAL_PARENT by calling autoconf-real-parent.c 2008-07-09 Frank Ch. Eigler From James Bottomley * tapsets.cxx: (dwflpp::global_alias_cache): New member. (declaration_resolve): Search it, called from translate_components. (update_alias_cache): Populate it, called from query_cu. 2008-07-09 * translate.cxx (visit_comparison): Remove unnecessary comparison. * translate.cxx (emit_symbol_data): Remove unused local variable. 2008-07-08 Dave Brolley * stap-client (client_sysinfo): Use `uname -rvm`. (receive_response): Wait for "done:" from the server. Clear server_ip when the server is incompatible. * stap-server (check_request): Quote "`server_sysinfo`". (server_sysinfo): Use `uname -rvm`. (send_response): Send "done:". * stap-serverd (advertise_presence): Use `uname -rvm`. Quote "$txt". 2008-07-07 Mark Wielaard * stapex.5.in: Add section on installed examples, samples and demos and how they are documented. 2008-07-07 Mark Wielaard * Makefile.am (install-data-hook): Install examples, demos and samples. (uninstall-local): Remove examples, demos and samples. * Makefile.in: Regenerated. * aclocal.m4: Likewise. * systemtap.spec.in (%install): Move examples. Don't copy over examples to src. (testsuite): Don't include src/examples. 2008-07-07 Mark Wielaard * systemtap.spec.in (%install): Move installed pdf files. (%files): Mark moved installed pdf as %doc files. 2008-07-03 Frank Ch. Eigler * translate.cxx (translate_pass): Don't #include . 2008-07-03 Dave Brolley * stap-serverd: New script. * stap-client (client_sysinfo): Client sysinfo is stripped down to the output of `uname -r` for now. (package_request): Don't create temporary server tar file here. (send_request): Communication protocol simplified. Use nc to send the tar file. (receive_response): Communication protocol eliminated. Simply wait for the file from the server using nc. (unpack_response): Create temporary server tar file here. Verify the contents of the server's response. (find_and_connect_to_server): Obtain server address and port from avahi-browse. (server_fatal): New function. (check_server_error): Call server_fatal. * stap-server (configuration): port is now provided as an argument. Default to port 65001. (initialization): Don't create temp work directory here. (receive_request): Communication protocol simplified. Receive the request file using nc. (unpack_request): Make temp work directory here. Verify the contents of the request. (server_sysinfo): New function. (check_compatibility): Exact match required. (package_response): Don't use -p on tar command. (send_response): Communication protocol eliminated. Simply send the file using nc. (main line): Pass "$@" to configuration. 2008-07-01 Frank Ch. Eigler * main.cxx (main): In -vv mode, also dump out session arch/release values right at the top. 2008-06-29 Tim Moore * Makefile.am (EXTRA_DIST): Add auto_free.h. * Makefile.in: Regenerated. * auto_free.h (auto_free_ref): New class to free references to pointers allocated with malloc / realloc. * tapsets.cxx (iterate_over_srcfile_lines): Use auto_free_ref at top level of function to free srcsp. 2008-06-27 David Smith * tapsets.cxx (utrace_derived_probe_group::emit_module_decls): Fix bug in handling process(PID) probes. 2008-06-24 K.Prasad * tapset/vfs.stp: Deprecate probe points on old functions, namely generic_file_readv(), generic_file_writev(), generic_file_read() and generic_file_write(). * tapset/vfs.stp: Enhance the tapset by providing more pure C functions, probes for newer VFS related functions * testsuite/buildok/vfs_testcase.stp: Created a testsuite for the new enhanced VFS Tapset which does a compile test i.e. with flags -up4 2008-06-25 Stan Cox * tapsets.cxx (iterate_over_srcfile_lines): Only probe a line once. 2008-06-24 Tim Moore * auto_free.h: New file. * tapsets.cxx (iterate_over_srcfile_lines, read_symbols): Use auto_free instead of explicit calls to ::free(). (Compare): Class for comparing func_info objects and their addresses. (get_index_for_address): Remove. (symbol_table::sort): new function. (query_module_symtab): Iterate over list_by_addr using iterator instead of index. (~symbol_table): Don't bother clearing list_by_addr and map_by_name. (add_symbol): Don't keep list_by_addr in order. (read_symbols, get_from_elf): Sort symbols after all are read. (get_func_containing_address): Use std::upper_bound. (purge_syscall_stubs): Don't iterate over whole list_by_addr vector; use std::equal_range to look for possible stub addresses. 2008-06-23 Frank Ch. Eigler * session.h (module_cache): Add field here. * tapsets.cxx (dwflpp): Remove static field from here. (pathname_caching_callback): Use hacky micro-static to get to it. (*): Update other users of module_cache. * elaborate.cxx (systemtap_session ctor): Corresponding changes. 2008-06-23 David Smith * tapsets.cxx (utrace_derived_probe_group::emit_probe_decl): Handles UDPF_NONE value. (utrace_derived_probe_group::emit_vm_callback_probe_decl): New function. (utrace_derived_probe_group::emit_module_decls): Calls emit_vm_callback_probe_decl() to set up vm_callbacks. 2008-06-23 Stan Cox * NEWS: Updated .statement line number wildcard and line number range. * stapprobes.5.in: Likewise. * doc/langref.tex: Likewise. * tapsets.cxx (enum line_t): Add RANGE and WILDCARD. (iterate_over_srcfile_lines): Change lineno parm to lines[]. Support RANGE and WILDCARD. (dwarf_query): Change line to line[] (dwarf_query::parse_function_spec): Parse RANGE and WILDCARD. 2008-06-20 wcohen * stapfuncs.5.in: Add documentation for tapset/dev.stp functions. 2008-06-18 Josh Stone PR 6644 * elaborate.cxx (dead_stmtexpr_remover::visit_block): Flatten nested block statements into a single block. (dead_stmtexpr_remover::visit_if_statement): Remove the possibility of if_statements with a null thenblock. When an if lacks both then and else, either remove it completely or reduce it to a simple statment evaluating the condition. With an else and no then, invert the condition and else becomes then. (void_statement_reducer): New optimization visitor that breaks statements in void context into smaller pieces, to expose more optimization opportunities. (semantic_pass_opt5, semantic_pass_opt6): Bump opt5 to opt6, and create a new opt5 that runs through void_statement_reducer. 2008-06-16 Frank Ch. Eigler * tapsets.cxx (print_locals): Produce nothing instead of "(alternatives: (none found))" if no alternatives were found. 2008-06-16 Frank Ch. Eigler * elaborate.cxx (session::print_warning): Change to take optional token as argument. (*): Adjust callers of print_warning() to pass a token. (print_token): New function, eliminate recent file name duplication. (print_error): Use it too. (semantic_pass_opt2): Tweak way read-only vars' alternatives are printed. Eliminate relaxation-loop duplicates by printing warnings only on first iteration. Print alternatives for globals too. * session.h: Corresponding changes. 2008-06-16 Stan Cox * elaborate.cxx (semantic_pass_opt2): Only create function alternatives if needed. Overload compare. 2008-06-13 Stan Cox * elaborate.cxx (print_warning): Add optional_str parameter. (semantic_pass_opt2): List variable alternatives for probes and functions. * session.h (print_warning): Add optional_str parameter. 2008-06-13 Josh Stone * translate.cxx: Jump out directly after setting last_error, rather than passively checking last_error everywhere. * translate.cxx: Only make actionremaining checks at control points, i.e. roughly at the end of basic blocks, or after executing a few statements in a row. 2008-06-13 Frank Ch. Eigler * main.cxx (main): Print generated module name for "-m FOO" runs also. Stop warning about this implying uncached operation. 2008-06-12 Stan Cox * elaborate.cxx (print_warning): Make parameter a const. 2008-06-11 Frank Ch. Eigler * Makefile.am (EXTRA_DIST): Add dwarf_wrappers.h. 2008-06-11 Mark Wielaard * elaborate.cxx (print_warning): Only output WARNING, don't put it in the message_str and seen_warnings. * session.h (print_warning): Reindent. 2008-06-11 Frank Ch. Eigler * elaborate.cxx (print_warning): Use session.seen_warnings[]. 2008-06-10 Stan Cox * elaborate.cxx (print_warning): New. * elaborate.cxx (semantic_pass_opt1): Use it. 2008-06-11 Tim Moore * dwarf_wrappers.h (dwfl_assert): Add overload with boolean value for assertion test. * dwarf_wrappers.cxx (dwfl_assert): Write boolean condition version. * tapsets.cxx (emit_address): Fix up dwfl_asserts that got negated in changes to dwfl_assert. PR 2608 * dwarf_wrappers.h, dwarf_wrappers.cxx: New files. * Makefile.in: Regenerated. * tapsets.cxx (dwarf_assert, dwfl_assert): Move to dwarf_wrappers.h. (iterate_over_srcfile_lines, has_single_line_record, query_srcfile_line): Use dwarf_line_t wrapper. (die_has_pc): Take a reference to a Dwarf_Die instead of a pointer. Clean up use of dwfl_assert. (query_cu): Check that statement raw address matches the beginning of a statement record. * elaborate.h: Include iosfwd instead of iostream. (literal_map_t, resolve_prologue_endings,): New typedef. 2008-06-10 Jim Keniston * testsuite/systemtap.context/num_args.tcl: Run twice -- once with dwarf (default) and once with --kelf --ignore-dwarf. * testsuite/systemtap.context/context.exp: Add num_args to testlist. :-} 2008-06-10 David Smith * tapsets.cxx (utrace_derived_probe_group::emit_probe_decl): Initializes .vm_callback. 2008-06-10 Frank Ch. Eigler PR 6470 * NEWS: Note argv[] tapset. * parse.cxx (scan_pp): Better handle premature EOF. * stapvars.5.in: New file. * stap.1.in: Mention it. * Makefile.am (dist_man_MANS): Add stapvars.5. * configure.ac (AC_CONFIG_FILES): Add stapvars.5.in. * Makefile.in, configure: Regenerated. 2008-06-10 Frank Ch. Eigler PR 6470 * parse.cxx (scan_pp): Eliminate expand_args argument to control nested preprocess evaluation. Rewrite to use a combination of exceptions and non-recursion. (lexer::scan): Ditto. Interpret "$#" as the argc value in all cases. * parse.h: Corresponding decl changes. 2008-06-10 Frank Ch. Eigler PR 6470 * parse.cxx (eval_comparison): New template function. (eval_pp_conditional): Call it separately for string/string and int64/int64 cases. (lexer::scan): Provide better error message for invalid $NNN. 2008-06-09 Jim Keniston PR 6601 * tapsets.cxx: For powerpc, reject symbols in .opd (function descriptor) section. 2008-06-09 Stan Cox * NEWS: Updated kernel.statement relative line number. * stapprobes.5.in: Likewise. 2008-06-09 David Smith * tapsets.cxx (utrace_var_expanding_copy_visitor::visit_target_symbol): Calls 'syscall_nr' to get the value of '$syscall'. * tapsets.cxx (utrace_derived_probe::join_group): Removed generated inclusion of tracehook.h. (utrace_var_expanding_copy_visitor::visit_target_symbol): Uses '_stp_arg(0)' to get value of '$syscall'. 2008-06-06 Stan Cox * tapsets.cxx (dwflpp::iterate_over_srcfile_lines): Add parameter line_type_relative. (enum line_t): New. (dwarf_query::line_type): New. (dwarf_query::parse_function_spec): Set line_type. 2008-06-06 David Smith * NEWS: Updated utrace probes descriptions. * stapprobes.5.in: Ditto. * tapsets.cxx (enum utrace_derived_probe_flags): Redefined in terms of probe types instead of utrace events. (utrace_var_expanding_copy_visitor::visit_target_symbol): Uses new utrace_derived_probes_flags values. (utrace_builder::build): Handles new probe types and new utrace_derived_probes_flags values. (utrace_derived_probe_group::emit_probe_decl): Updated to handle new utrace_derived_probe_flags values. (utrace_derived_probe_group::emit_module_decls): Ditto. Also correctly handles 'begin' events correctly by installing a quiesce handler (instead of running the probe directly). (register_standard_tapsets): Registers updated utrace probe types. 2008-06-05 Srinivasa DS *configure,configure.ac: -fpie option puts limit on GOT size and hence systemtap build fails on s390. So use -fPIE which doesn't put limit on GOT size. 2008-06-04 Jim Keniston * testsuite/systemtap.context/num_args.{stp,tcl}: Added. Same as args.{stp,tcl}, but refs args using *_arg(). 2008-06-04 Jim Keniston PR 6588 * tapset/syscalls.stp: Remove return aliases for exit and exit_group. * testsuite/semok/syscalls_return.stp: Regression test 2008-06-03 David Smith * tapsets.cxx: Added several string tokens that are used instead of hard-coded strings. (register_standard_tapsets): Uses new string tokens. 2008-06-03 Frank Ch. Eigler PR 6429. * Makefile.am: Don't link stapio with -ldw. * Makefile.in: Regenerated. 2008-05-29 Mark Wielaard * Makefile.am (installcheck): Check that make install was run. * Makefile.in: Regenerated. 2008-06-02 Frank Ch. Eigler PR6534 * translate.cxx (c_unparser::emit_module_init): Use UTS_RELEASE instead of uts_sem/utsname() as kernel version-checking hack. 2008-06-02 Dave Brolley * stap-client (initialization): port is no longer hard coded. Initialize avahi_service_tag to _stap._tcp. (find_and_connect_to_server): Handle server/port returned by match_server. (match_server): Obtain server ip address and port from output of the -r option to avahi-browse. Echo a server/port pair. 2008-06-02 Zhaolei * main.cxx (main): Fix the problem that kernel module compile failure when runtime directory is set to relative path(stap -R). 2008-05-30 Dave Brolley * stap-client, stap-server: New compile server and client scripts. 2008-05-30 Srinivasa DS PR 6562 * tapsets.cxx, translate.cxx: modified one argument for dwfl_linux_kernel_report_offline(). * testsuite/systemtap.base/debugpath.exp: Modified testsuite for new SYSTEMTAP_DEBUGINFO_PATH behaviour. * stap.1.in: Modified manpage for new SYSTEMTAP_DEBUGINFO_PATH behaviour. 2008-05-29 Jim Keniston PR 6582 * tapset/context.stp: Added registers_valid(). * stapfuncs.5.in: Ditto. * tapset/x86_64/registers.stp: Added registers_valid() check. * tapset/ppc64/registers.stp: Ditto. * tapset/i686/registers.stp: Ditto. Also fixed warnings due to sp_offset and ss_offset not being global. 2008-05-29 Ananth N Mavinakayanahalli PR 6563 * tapset/ppc64/registers.stp: Fix powerpc dwarfless argument access 2008-05-28 Josh Stone PR 6529 * translate.cxx (c_unparser::visit_return_statement): Make sure we notice errors from evaluating return values. 2008-05-28 David Smith * tapsets.cxx (utrace_derived_probe_group::emit_module_decls): Removed debug print. * tapsets.cxx (utrace_derived_probe_group::emit_probe_decl): Instead of adding clone handlers, just call the probes directly. (utrace_derived_probe_group::emit_module_decls): For syscall probes, on exec detach the parent's utrace engine from the child. 2008-05-27 Josh Stone PR 6432 * buildrun.cxx (compile_pass): Add the autoconf test for probe_kernel_* functions, but leave it #if-0'ed for now. 2008-05-23 Jim Keniston PR 4311, cont. Address powerpc dwarfless test failures. * tapsets.cxx: Convert .funcname to funcname when adding it to our symbol table. Accept all weak symbols except those that map to sys_ni_syscall. 2008-05-23 Srinivasa DS PR 6429: Inerim fix to avoid compilation error of systemtap module * runtime/transport/symbols.c: added definitions of struct module_sect_attr, struct module_sect_attrs for 2.6.25 above kernels. 2008-05-22 Wenji Huang * tapsets.cxx (iterate_over_functions): Fix .statement(NUM) regression. 2008-05-22 Ananth N Mavinakayanahalli * tapset/ppc64/registers.stp: Support powerpc register + arg lookup * stapfuncs.5.in: Add powerpc bits; indicate scope of uarg_* access 2008-05-21 David Smith * tapsets.cxx (utrace_derived_probe_group::emit_module_decls): Added new 'event_flag' parameter to task_finder callback. Only calls probe handlers if we received the correct event. 2008-05-20 Frank Ch. Eigler PR 6538 * elaborate.cxx (semantic_pass_opt2): Warn about read-only locals and globals. (visit_foreach_loop): Belatedly recognize index symbols as lvalues. 2008-05-21 Stan Cox * elaborate.cxx (dead_assignment_remover::visit_binary_expression): New. (dead_assignment_remover::visit_assignment): Allow rhs simplification. 2008-05-20 Tim Moore * configure.ac: Check for tr1/unordered_map header. * tapsets.cxx: Use tr1::unordered_map if available. * configure, config.in: Regenerated. 2008-05-19 Stan Cox * elaborate.cxx (dead_assignment_remover::visit_arrayindex): New method. (dead_assignment_remover::visit_functioncall): New method. (dead_assignment_remover::visit_if_statement): New method. (dead_assignment_remover::visit_for_loop): New method. 2008-05-19 William Cohen * main.cxx (setup_signals): Remove sa_restorer initialization. 2008-05-17 Frank Ch. Eigler * elaborate.cxx (semantic_pass): Error on #probes=0, but not in listing mode. (semantic_pass_optimize[12]): Remove inappropriate check from here. 2008-05-17 Frank Ch. Eigler * tapsets.cxx (cu_function_cache_t): Switch to s, since these tables tend to get pretty big. 2008-05-16 Frank Ch. Eigler PR 5643 * tapsets.cxx (cu_function_cache_t): Reorganize into mod:cu->function->DIE lookup table. Consider merging into symtab later. (mark_dwarf_redudancies): Adapt. (iterate_over_functions): Rewrite. (dwarf_builder::build): Cache kprobes etc. symbol addresses. * elaborate.cxx (systemtap_session ctor): Clear additional POD fields. 2008-05-15 David Smith * main.cxx (setup_signals): New function. (main): Calls setup_signals() to setup signal handling. When removing the temporary directory, ignore signals. 2008-05-13 Ananth N Mavinakayanahalli PR 5955. * parse.cxx (parser::parse_global): accept ";" terminated globals * NEWS - update documentation * testsuite/systemtap.base/global_vars.(stp/exp) - supporting tests * testsuite/parseko/twenty(four/five).stp - supporting tests 2008-05-12 Jim Keniston PR 4311 - Function boundary tracing without debuginfo: Phase II Merged dwarfless branch into mainline. But first... * runtime/regs.c: Removed register name:value lookup facility. Moved basically all register-lookup code to the i686 and x86_64 registers.stp tapsets. Args stuff shared between i386 and x86_64 remains in regs.c. * tapset/{i686,x86_64}/registers.stp: Moved register-lookup code from runtime/regs.c to here. 2008-05-12 Jim Keniston (2008-05-06 in dwarfless branch) PR 4311 - Function boundary tracing without debuginfo: Phase II * stapfuncs.5.in: Added sections on CPU REGISTERS and NUMBERED FUNCTION ARGUMENTS. 2008-05-12 Jim Keniston (2008-05-05 in dwarfless branch) PR 4311 - Function boundary tracing without debuginfo: Phase II * runtime/regs.c: Added register name:value lookup facility. Added support for register and arg lookup for i386 and x86_64. * tapset/{i686,x86_64}/registers.stp: New: support for register and arg lookup. * tapsets.cxx, translate.cxx: Added regparm field to struct context. * tapset/nd_syscall.stp: syscall.stp migrating toward numbered args rather than named args. 2008-05-12 Jim Keniston (2008-04-18 in dwarfless branch) PR 4311 - Function boundary tracing without debuginfo: Phase I * tapsets.cxx: Major rework of dwflpp, dwarf_query, and related code to make do with elf info if dwarf info is absent, or (in the case of vmlinux) make do with a System.map-style symbol table if even the elf file is absent. * main.cxx: Use getopt_long instead of getopt. Added --kelf, --kmap, --ignore-vmlinux, and --ignore-dwarf. * hash.cxx, session.h, stap.1.in: Added --kelf, --kmap, --ignore-vmlinux, and --ignore-dwarf. * testsuite/{semok,semko}/nodwf*.stp 2008-05-07 Frank Ch. Eigler PR 6492. * main.cxx (main): let -l imply -w. 2008-05-05 Frank Ch. Eigler PR 444886. From : * tapsets.cxx, translate.cxx: Add .../build/... to default debuginfo path, to ease search for hand-built kernels. 2008-05-01 Frank Ch. Eigler PR 6474 * configure.ac (--enable-pie): Add default option. * Makefile.am (stap* binaries): Use -fpie/-z relro/-z now as applicable. * configure, aclocal.m4, Makefile.in, doc/Makefile.in: Regenerated. 2008-04-30 Masami Hiramatsu PR 6008 * main.cxx (main): Increase the limitation of buffer size to 4095MB. * staprun.8.in: Ditto. 2008-04-29 Frank Ch. Eigler PR 6466 * elaborate.cxx (dead_stmtexpr_remover): Expand scope to kill far more side-effect-free statemnets, including if/for/foreach. (semantic_pass_opt4): Warn on elided function/probe bodies. (typeresolution_info::visit_target_symbol): Dump parse tree of resolution-challenged functions/probes. (*): Adapt to probe->body being a statement* rather than a block*. * tapsets.cxx (*): Ditto. * staptree.cxx (block::block ctor): New cons constructor. * staptree.h: Corresponding changes. 2008-04-29 David Smith * tapsets.cxx (utrace_derived_probe_group::emit_probe_decl): Added death event handlers to ensure that for every utrace_attach there is a corresponding utrace_detach. (utrace_derived_probe_group::emit_module_decls): Ditto. 2008-04-28 Frank Ch. Eigler * translate.cxx (translate_pass): Don't #define TEST_MODE. 2008-04-26 Frank Ch. Eigler * tapsets.cxx (common_probe_entryfn_prologue): Undo clear of overload-related context vars; add explanation why. 2008-04-25 Frank Ch. Eigler * systemtap.spec.in: Simplify configuration defaults. 2008-04-25 David Smith PR 6455. * tapsets.cxx (mark_builder::build): Handles markers with no format string. 2008-04-24 Frank Ch. Eigler PR 6454. * main.cxx (printscript): Avoid string truncation heuristics, and also avoid plain probe::printsig. Hold nose and dig down into raw location lists instead. 2008-04-24 Will Cohen * aclocal.m4: Regenerated. * Makefile.am (example/*): Moved to testsuite/systemtap.examples. * Makefile.in: Regenerated. 2008-04-23 Frank Ch. Eigler From: Srinivasa DS * tapsets.cxx (blacklisted_p): Blacklist more init/exit sections. 2008-04-23 Frank Ch. Eigler * tapsets.cxx (common_probe_entryfn_prologue): Clear overload-related context vars. 2008-04-22 hunt * staprun.8.in: Add documentation for -d option. 2008-04-22 David Smith * tapsets.cxx (utrace_derived_probe_group::emit_module_decls): Removed debug statements. 2008-04-18 David Smith * tapsets.cxx (struct utrace_builder): Added exec probes. (utrace_derived_probe_group::emit_probe_decl): Ditto. (utrace_derived_probe_group::emit_module_decls): Ditto. (register_standard_tapsets): Ditto. * stapprobes.5.in: Added information about exec probes. * NEWS: Added information about utrace probes. * stapprobes.5.in: Added information about utrace probes. 2008-04-17 Josh Stone * tapsets.cxx (build_blacklist): Fix regexps for atomics. * vim/syntax/stap.vim: Recognize the 'limit' keyword and script arguments, allow '$' in variable names, and highlight $target variables. 2008-04-17 David Smith * tapsets.cxx (utrace_builder::build): Make sure that the PATH of 'process("PATH")' probes is an absolute path. (utrace_derived_probe_group::emit_module_decls): Made calls to utrace probe handler functions conditional on which types of utrace probes are going to be output. 2008-04-16 Frank Ch. Eigler * tapsets.cxx (task_finder_derived_probe): Add dummy constructor for old (RHEL4) gcc compatibility. 2008-04-16 Frank Ch. Eigler PR 6417: From Srinivasa DS : * tapsets.cxx (build_blacklist): Extend. 2008-04-15 David Smith * session.h (struct systemtap_session): Added utrace_derived_probe group and task_finder_derived_probe_group members. * elaborate.cxx (systemtap_session::systemtap_session): Added initialization of utrace_derived_probes and task_finder_derived_probes. * tapsets.cxx (struct task_finder_derived_probe_group): New derived_probe_group to handle task_finder framework. (struct utrace_derived_probe_group): New derived_probe_group to handle utrace probes. 2008-04-15 Frank Ch. Eigler PR 6405 cont'd. * Makefile.am (AM_CFLAGS): Remove -Wshadow, as it triggers for new stapio (modname global vs. dwfl headers). 2008-04-15 Frank Ch. Eigler PR 6405 * buildrun.cxx (compile_pass): Add STAPCONF_MODULE_NSECTIONS. 2008-04-14 David Smith * elaborate.h (struct derived_probe_group): Removed emit_module_header virtual function. * translate.cxx (c_unparser::emit_common_header): Removed calls to emit_module_header function. * tapsets.cxx (be_derived_probe>): Removed emit_module_header function. (struct timer_derived_probe_group): Ditto. (struct profile_derived_probe_group): Ditto. (struct procfs_derived_probe_group): Ditto. (struct hrtimer_derived_probe_group): Ditto. (struct perfmon_derived_probe_group): Ditto. (dwarf_derived_probe_group::emit_module_decls): Moved kernel check back from deleted emit_module_header function. (uprobe_derived_probe_group::emit_module_decls): Ditto. (mark_derived_probe_group::join_group): Moved marker kernel check (to a new embedded code section) from deleted emit_module_header function. 2008-04-14 Frank Ch. Eigler * Makefile.am (stapio_*): Become able to link/compile against bundled elfutils. * Makefile.in: Regenerated. 2008-04-09 Martin Hunt * buildrun.cxx (run_pass): Remove unused "-d" option passed to staprun. * translate.cxx (emit_symbol_data): When available, grab symbols from debuginfo instead of /proc/kallsyms. 2008-04-11 David Smith * elaborate.h (struct derived_probe_group): Added emit_module_header virtual function. * translate.cxx (c_unparser::emit_common_header): Calls each probe group's emit_module_header function. (translate_pass): Moved inclusion of linux/marker.h to mark_derived_probe_group::emit_module_header(). * tapsets.cxx (struct be_derived_probe_group): Added empty emit_module_header function. (struct timer_derived_probe_group): Ditto. (struct profile_derived_probe_group): Ditto. (struct procfs_derived_probe_group): Ditto. (struct hrtimer_derived_probe_group): Ditto. (struct perfmon_derived_probe_group): Ditto. (dwarf_derived_probe_group::emit_module_header): Moved kprobes kernel check from emit_module_decls() to here. (uprobe_derived_probe_group::emit_module_header): Moved uprobe kernel check from emit_module_decls() to here. (uprobe_derived_probe_group::emit_module_decls): Moved uprobe kernel check to emit_module_header(). (mark_derived_probe_group::emit_module_header): Moved marker kernel check from emit_module_decls and translate_pass() to here. (uprobe_derived_probe_group::emit_module_decls): Moved marker kernel check to emit_module_header(). 2008-04-10 Frank Ch. Eigler PR 2949. * session.h (listing_mode): New field. * main.cxx (main): Test it. Enjoy it. (printscript): Do it. (usage): Document it. * stap.1.in, stapex.5.in: Ditto. * elaborate.cxx (print_error): Disable error messages in listing mode. 2008-04-10 Frank Ch. Eigler PR 6393 cont'd. * Makefile.am: Also copy RadeonHD.am fragment to force git_version.h regeneration at every make, and also special tagging for "make dist". Thanks . 2008-04-10 Frank Ch. Eigler PR 6393. * git_version.sh: New file, copied from radeonhd. * configure.ac: No longer generate $builddir/SNAPSHOT. * Makefile.am: Generate $builddir/git_version.h. (EXTRA_DIST): Add git_version.h and git_version.sh. * main.cxx (version): Print generated GIT_MESSAGE therefrom. * Makefile.in, configure: Regenerated. 2008-04-09 David Smith * .gitignore: Added more files to ignore. 2008-04-04 Masami Hiramatsu PR 6028 * translate.cxx (c_unparser::emit_common_header): Add unwaddr for caching unwound address. * tapsets.cxx (common_probe_entryfn_prologue): Clear unwaddr. 2008-04-01 Frank Ch. Eigler * safety/*: Removed subdirectory containing abandoned experiment. 2008-03-31 Frank Ch. Eigler * configure.ac: Bump version to 0.7. * configure: Regenerated. 2008-03-27 Frank Ch. Eigler * tapsets.cxx (common_probe_entryfn_prologue): Clear last_stmt. 2008-03-26 Frank Ch. Eigler * translate.cxx (emit_function): Set context last_stmt, in case an error occurs during the function. 2008-03-25 Frank Ch. Eigler * stap.1.in: Clarify utility of epilogue type probe aliases. 2008-03-21 Eugene Teo PR 5528 * tapset/conversions.stp (user_string_n, user_string_n2, user_string_n_warn, user_string_n_quoted, user_short, user_short_warn, user_int, user_int_warn, user_long, user_long_warn, user_char, user_char_warn): New user_* functions. * stapfuncs.5.in: Documented the new functions. * testsuite/systemtap.stress/conversions.stp: Test new functions. * testsuite/buildok/conversions.stp: Test new functions. * testsuite/buildok/conversions-embedded.stp: Test new functions. 2008-03-20 Frank Ch. Eigler PR 5975. * tapsets.cxx (*): Added a few (void) expressions for asserts that may be compiled out. 2008-03-14 Masami Hiramatsu PR 3542 * buildrun.cxx (compile_pass): Add an autoconf to check the kernel supports batch unregistration. * tapsets.cxx (dwarf_derived_probe_group::emit_module_decls): Add an array of probe pointers for batch unregistration. * tapsets.cxx (dwarf_derived_probe_group::emit_module_exit): Use unregister_k(ret)probes if it is supported. 2008-03-13 Frank Ch. Eigler PR 5928. * buildrun.cxx (compile_pass): Use EXTRA_CFLAGS for autoconf'd values instead of CFLAGS_.o. 2008-03-12 Frank Ch. Eigler * configure.ac, systemtap.spec.in: Bumped version to 0.6.2. * configure: Regenerated. 2008-03-12 Dave Brolley PR5897 * staptree.cxx (probe::printsig): If this probe was derived from an alias, call the printsig method of the alias. 2008-03-10 Dave Brolley PR5189 * translate.cxx (probe_or_function_needs_deref_fault_handler): New member of c_unparser. (c_unparser::emit_function): Initialize probe_or_function_needs_deref_fault_handler. Check it after the body is visited and generate a deref fault handler if necessary. (c_unparser::emit_probe): Likewise. (c_unparser::visit_print_format): Correct the compoenent type for an overridden string literal. Generate code to check that pointer arguments to %m can be dereferenced. Generate casts for printf arguments as necessary. * elaborate.cxx (typeresolution_info::visit_print_format): Desired type for conv_memory is pe_long. 2008-03-06 Frank Ch. Eigler * Makefile.am (AM_CXXFLAGS, AM_CFLAGS): Remove -Werror. * Makefile.in, doc/Makefile.in: Regenerated. 2008-03-03 Frank Ch. Eigler PR5516 * elaborate.cxx (symbol_fetcher, dead_assignment_remover): Support unresolved $target lvalues. Propagate pretty error messages. * staptree.cxx (varuse_collecting_visitor target_symbol): Ditto. * staptree.h: Corresponding decl. * loc2c.c: c_translate_pointer_store: New function. * loc2c.h: Corresponding decl. * tapsets.cxx (dwflpp::translate_final_fetch_or_store): Call it for $target pointer assignments. 2008-02-29 Will Cohen * main.cxx (handle_interrupts): Make compatible with GCC 4.3. 2008-02-28 Frank Ch. Eigler PR5045 * session.h (pending_interrupts): New global. * main.cxx (handle_interrupts): New fn to handle SIGINT* etc. * elaborate.cxx, translate.cxx, tapsets.cxx, main.cxx (*): Insert pending_interrupts escape hatches inside potentially timetaking loops. * buildrun.cxx: Don't deal with signals. 2008-02-27 Frank Ch. Eigler PR5697 * configure.ac (enable-docs): Implement. * systemtap.spec.in: Add optional docs build/install/prereqs. * Makefile.am (SUBDIRS): Add doc. * Makefile.in, configure: Regenerated. 2008-02-27 Dave Brolley PR5189 * staptree.h (print_format::conv_memory): New enumerator. (print_format::width_type): New enumeration. (print_format::precision_type): New enumeration. (format_component::widthtype): New member. (format_component::prectype): New member. (format_component::is_empty): Test widthtype and prectype. (format_component::clear): Clear widthtype and prectype. * staptree.cxx (print_format::components_to_string): Handle dynamic width and precision. Handle conv_memory. (print_format::string_to_components): Parse dynamic width and precision specifiers. Set widthtype and prectype. Parse %m format specifier. * elaborate.h (typeresolution_info::check_arg_type): New method. * elaborate.cxx (typeresolution_info::visit_print_format): Account for dynamic width and precision when computing the expected number of arguments. Check the types of arguments for dynamic width and precision. Use check_arg_type to check the types of all arguments. Handle print_format::conv_memory. (typeresolution_info::check_arg_type): New method. * NEWS: Describe the enhancements above. 2008-02-27 David Smith PR5729 * systemtap.spec.in: Adds examples to the testsuite rpm so that systemtap.samples/examples.exp works correctly. 2008-02-26 Dave Brolley PR5018 * staprun.8.in: Escape dashes ('-') as appropriate. 2008-02-26 Srinivasa DS PR5772 * tapset/syscall2.stp: Modify wait4,waitid argument list for kernel > 2.6.24. 2008-02-25 Frank Ch. Eigler PR5792. * parse.cxx (eval_pp_conditional): Support wildcards in %( kernel_v/kernel_vr/arch ==/!= "*foo?" %) operands. * NEWS, stap.1.in: Document this. 2008-02-22 Frank Ch. Eigler PR5787, PR2608, .statement() * tapsets.cxx (query_dwarf_func): Process .statement(NUM) probes too. (query_cu): Ditto. (query_func_info): Bypass prologue searching for .statement() probes. (query_cu): Ditto. (build_blacklist): Remove unsightly empty first alternative in "^(|foo)$" regexps. Show them for -vvv. * buildrun.cxx (compile_pass): Don't turn on "gcc -Q" on until -vvvv. 2008-02-20 David Smith * tapsets.cxx (struct mark_derived_probe): Renamed 'probe_sig' to 'probe_format'. (mark_derived_probe::mark_derived_probe): Added new "format" probe point component. (mark_derived_probe::parse_probe_format): Renamed from 'mark_derived_probe::parse_probe_sig'. (struct mark_builder): Added typedefs. Converted mark_cache from a map to a multimap to handle markers with the same name but different formats. (mark_builder::build): Added new 'format' probe parameter. (register_standard_tapsets): Added new 'format' marker probe optional parameter. * stapprobes.5.in (parts): Documented new "format" probe component. 2008-02-19 Roland McGrath * tapsets.cxx (query_module): Use dwfl_module_getdwarf rather than dwfl_module_getelf for e_machine check. (dwarf_query::get_blacklist_section): Likewise for section search. Ignore non-SHF_ALLOC sections. 2008-02-19 Frank Ch. Eigler * tapsets.cxx (query_module): Tweak elf-machine checking to better represent elfutils idioms. 2008-02-19 Frank Ch. Eigler PR 5766. * tapsets.cxx (build_blacklist): Switch (back) to regexp-based blacklist construction ... (blacklist_p): ... and querying. 2008-02-19 David Smith PR 5672. * tapsets.cxx (mark_derived_probe): Call probe_point copy ctor to shallow-copy incoming base probe location before recomputing/overwriting it. 2008-02-18 Frank Ch. Eigler * NEWS, stapprobes.5.in: Document basic (non-symbolic prototype) user-space probe points. 2008-02-15 Frank Ch. Eigler * tapsets.cxx (function_name_last_match): New function. (query_dwarf_func): Call it to stop unnecessary further iteration. 2008-02-13 Frank Ch. Eigler PR 5759 * tapsets.cxx (build_blacklist): Add some CONFIG_PREEMPT-related functions. 2008-02-13 Dave Brolley PR5609 * staptree.h (probe::collect_derivation_chain): Now takes vector. (probe::get_alias): New virtual method. * elaborate.h (derived_probe::collect_derivation_chain): Now takes vector. * staptree.cxx (probe::collect_derivation_chain): Now takes vector. Don't cast 'this' to (derived_probe*). * elaborate.cxx (derived_probe::collect_derivation_chain): Now takes vector. (alias_derived_probe::get_alias): New virtual method. (alias_derived_probe::alias): New member. (alias_expansion_builder::build): Call checkForRecursiveExpansion and emit a diagnostic if recursion is detected. Pass alias to constructor of alias_derived_probe. (alias_expansion_builder::checkForRecursiveExpansion): New method. * coveragedb.cxx: Pass vector on all calls to collect_derivation_chain. 2008-02-12 Frank Ch. Eigler PR 4393 * tapsets.cxx (emit_address): Support relocatable kernels. (dwarf_derived_probe ctor): Hack around for missing USHRT_MAX. * elaborate.cxx (semantic_pass): Increment rc if exception caught. 2008-02-12 Martin Hunt PR 5757 * tapsets.cxx, translate.cxx: Cleanup indentation a bit. 2008-02-11 Jim Keniston PR 5693 * runtime/uprobes/uprobes.c: Intercept handler-destined signals received while we're single-stepping, and re-queue them afterward. * runtime/uprobes/uprobes.h: Ditto 2008-02-09 Frank Ch. Eigler PR5750. From Eugeniy Meshcheryakov eugen@debian.org: * configure.ac (HAVE_LIBSQLITE3): Complete AC_DEFINE. * configure, INSTALL, missing, compile, depcomp, install-sh: autoreconf -fi'd. 2008-02-09 Frank Ch. Eigler PR 5751. * configure.ac: Add -Werror to trial compilation with -fstack-protector-all, for hosts that don't quite support it. * configure: Regenerated. 2008-02-08 David Smith PR 5650 * systemtap.spec.in: Further simplification. 2008-02-07 Frank Ch. Eigler * buildrun.cxx (run_make_cmd, compile_pass): Tweak kbuild parametrization to produce useful compile logs at -vv. 2008-02-04 David Smith PR 4446 (partial) * tapsets.cxx (mark_var_expanding_copy_visitor::visit_target_symbol_arg): New function. (mark_var_expanding_copy_visitor::visit_target_symbol_format): New function. (mark_var_expanding_copy_visitor::visit_target_symbol): Handles "$arg" or "$format". (mark_derived_probe_group::emit_module_decls): Sets up "$format" data. PR 5650 (parital) * systemtap.spec.in: Moved %pre section to the systemtap-runtime rpm. 2008-01-30 David Smith PR 5650 * systemtap.spec.in: Simplified and explicitly specifies configure options. 2008-01-30 Dave Brolley * coveragedb.cxx (print_coverage_info): Fix typo: s.probes -> s.unused_probes where appropriate. (sql_update_unused_probes): Likewise. 2008-01-29 Frank Ch. Eigler PR 5647 * configure.ac (--enable-ssp): Make default on compilers that support it. * configure: Regenerated. 2008-01-28 David Smith * configure.ac: Fixed a bug when "--disable-permon" was used. Added "--enable-crash" option. * configure: Regenerated. * Makefile.am: Improved staplog.so compile command. * Makefile.in: Regenerated. * tapsets.cxx (dwarf_derived_probe_group::emit_module_decls): Added 'const' to several members of stap_dwarf_probes. PR 5685. From Eugeniy Meshcheryakov * configure.ac: If "--enable-sqlite" is specified, define HAVE_LIBSQLITE3. * configure: Regenerated. 2008-01-26 Frank Ch. Eigler PR 5673. * tapsets.cxx (dwarf_derived_probe_group): Split stap_dwarf_probes[] into bss-carried kprobes structs. Tune embedded strings for minimizing relocation-vs-fixed-buffer wastage. * tapsets.cxx (dwarf_derived_probe): Impose .maxactive() limits. 2008-01-25 Jim Keniston * runtime/uprobes/uprobes.c: Within a probed process, serialize calls to access_process_vm() when populating instructions slots. Fixes an SMP bug on multithreaded apps with many active probepoints. * runtime/uprobes/uprobes.h: Ditto 2008-01-25 Frank Ch. Eigler PR 5672. * staptree.cxx (probe_point copy ctor): New function. * staptree.h: Declare it. * tapsets.cxx (dwarf_derived_probe ctor): Call it to shallow-copy incoming base probe location before recomputing/overwriting it. 2008-01-25 David Smith * configure.ac: Compressed the two perfmon options into one. Made other small fixes and whitespace changes. * configure: Regenerated. 2008-01-24 Frank Ch. Eigler * Makefile.am: Make another $(MKDIR) call visible. * Makefile.in: Regenerated. 2008-01-24 David Smith PR 5661 (reverted). * configure.ac: Removed elfutils version number check. * configure: Regenerated. * acsite.m4: Removed. * systemtap.spec.in: Minimum elfutils version number is no longer filled in by configure. PR 5650 (partial). * configure.ac: Handles sqlite optional functionality correctly. If enabled/disabled by the user, do the right thing. If not specified by the user, use it if present. * configure: Regenerated. * systemtap.spec.in: Always specify to configure whether to use sqlite or not. 2008-01-24 Dave Brolley PR 5017. * staptree.cxx (): #include it. (required ): Remove 'static' from instantiation and move instantiation to here from... * staptree.h: ...here. 2008-01-23 David Smith PR 5661. * configure.ac: Checks elfutils version number. * acsite.m4: New file containing macro to return elfutils version number. * configure: Regenerated. * systemtap.spec.in: Minimum elfutils version number is now filled in by configure. 2008-01-23 Dave Brolley PR 5613. * translate.cxx (var::fini): New method. (c_unparser::emit_module_init): Call var::fini when deregistering variables without indices. (c_unparser::emit_module_exit): Likewise. 2008-01-23 Frank Ch. Eigler PR 2151. * tapsets.cxx (dwflpp::setup): Parametrize debuginfo_path. * stap.1.in: Document this. 2008-01-22 Jim Keniston * runtime/uprobes/uprobes.c: Fix from Srinivasa: Recast rcu_dereferences of engine->data to resync with kernel.org builds. 2008-01-18 Srinivasa DS PR 5549 * buildrun.cxx : Verify whether kernel has register rename patch through autoconf files. * runtime/(loc2c-runtime.h, procfs.c, regs.c, regs.h, stack-i386.c, autoconf-x86-uniregs.c, autoconf-nameidata.c) : Use appropriate register name at runtime, based on whether kernel has register rename patch or not. 2008-01-18 Jim Keniston * runtime/uprobes/uprobes.c: Added static copy of access_process_vm(), for kernels that don't export it. 2008-01-18 Frank Ch. Eigler * configure.ac, systemtap.spec.in: Update version to 0.6.1 * configure: Regenerated. 2008-01-17 Srinivasa DS PR 5483 * tapsets.cxx : Possible fix for making systemtap compatible with the elfutils-0.131 2008-01-17 Frank Ch. Eigler PR 4935. Reorganize probe condition implementation. * elaborate.cxx (add_condition): New function. (derived_probe): Remove condition member. (derived_probe ctors): Assert non-null incoming probe/location ptrs. (insert_condition_statement): Remove; turn into ... (semantic_pass_conditions): New pass-2 subpass. (semantic_pass_symbols, visit_symbol, visit_functioncall, find_var): Detect some condition-related error cases. (match_key): Change type to exp_type from tok_type. Update callers. (alias_expansion_builder): Propagate probe conditions. * staptree.cxx (probe): Remove condition field and related functions. * tapsets.cxx (dwarf_derived_probe ctor): Compute replacement wildcard-expanded probe_point preserving more of the original location. (mark_derived_probe ctor): Make similar to others - take location rather than condition parameters. * translate.cxx (emit_common_header): Tweak ordering of tmpcounter traversal and hashkey expression generation. * elaborate.h: Corresponding changes. 2008-01-17 David Smith * tapsets.cxx (procfs_var_expanding_copy_visitor::visit_target_symbol): Print an error when trying to use the procfs target variable '$value' as an array or structure. (perfmon_var_expanding_copy_visitor::visit_target_symbol): Print an error when trying to use the perfmon target variable '$counter as an array or structure. 2008-01-17 Srinivasa DS PR 5483. * tapsets.cxx (emit_address): Tolerate dummy relocation entry added for kernel by recent elfutils. 2008-01-16 David Smith PR 5608. * tapsets.cxx (mark_var_expanding_copy_visitor::visit_target_symbol): Print an error when trying to use a marker argument as an array or structure. 2008-01-16 Eugene Teo * stapfuncs.5.in: Document signal.stp tapset functions. 2008-01-14 Martin Hunt * translate.cxx (emit_module_init): Call _stp_print_kernel_info() to print out version information and internal memory usage stats. 2008-01-14 Martin Hunt * translate.cxx (emit_module_exit): When using timing, delete timing stats when finished. 2008-01-12 Frank Ch. Eigler * configure.ac: Generate a build tree SNAPSHOT file from git-rev-list, if we suspect the source tree came from git. * configure: Regenerated. 2008-01-12 Frank Ch. Eigler PR 5603. * configure.ac: Add "--enable-ssp" to select -fstack-protector-all and similar runtime checking directives. * configure: Regenerated. 2008-01-09 David Smith * systemtap.spec.in: Since "make check" was removed from the rpm build step, we no longer need to require dejagnu at build time. 2008-01-09 Frank Ch. Eigler * tapsets.cxx (dwflpp::setup): Improve missing kernel-debuginfo message. 2008-01-02 Frank Ch. Eigler From Mark McLoughlin : * main.cxx (main): Set/restore umask around mkdtemp(). 2007-12-27 Jim Keniston * runtime/uprobes/uprobes_x86_64.c: Fix handling of indirect jmps and calls that use rip-relative addressing. Allow probing of opcode 0x63. 2007-12-13 Masami Hiramatsu * stap.1.in: Document about relay buffer sharing. * NEWS: Document about relay buffer sharing and staplog crash extension. 2007-12-12 Wenji Huang PR 5470 * parse.cxx (parser::parse_probe_point): Add checking pointer t. 2007-12-11 Frank Ch. Eigler * staptree.cxx, staptree.h: More GCC 4.3 build fixes from Eugeniy Meshcheryakov . 2007-12-05 William Cohen * systemtap.spec.in: Correct Source to point to location contain code. 2007-12-05 Masami Hiramatsu PR 4935 * tapsets.cxx (dwarf_derived_probe::dwarf_derived_probe): Allow user to access kernel variables in the condition of probe points. * stapprobes.5.in : Document the conditional probe point. * NEWS : Ditto. 2007-12-03 Masami Hiramatsu PR 5376 * parse.cxx (lexer::scan): Treat '*' as an alphabet if the wildcard flag is true. (parser::parse_probe_point): Call parser::next() with wildcard = true. (parser::scan_pp): Add wildcard flag and pass it to lexer::scan. (parser::next): Ditto. (parser::peek): Ditto. * parse.h : Ditto. 2007-12-01 Frank Ch. Eigler * gen-stapmark.h, stapmark.h: Retire. 2007-11-29 David Smith * tapsets.cxx (mark_derived_probe::initialize_probe_context_vars): Handles the case where one marker has more than one string argument. 2007-11-27 David Smith PR 5377. * elaborate.cxx (match_node::find_and_build): Handle wildcards in probe points correctly. 2007-11-26 Frank Ch. Eigler * elaborate.cxx (derived_probe ctor): Don't duplicate condition if it doesn't exist. * staptree.cxx (probe_point, probe ctors): Initialize to 0. 2007-11-20 Masami Hiramatsu PR 4935. * parse.cxx (parser::parse_probe_point): Parse "if" condition following probe point. * staptree.h (probe_point): Add "condition" field. (probe): Add "condition" field and "add_condition" method. (deep_copy_visitor): Add "deep_copy" method for the expression. * staptree.cxx (probe_point::probe_point): Initalize it. (probe::add_condition): Implement it. (probe::print): Output "condition" field. (probe::str): Ditto. (deep_copy_visitor::deep_copy): Implement it. * elaborate.h (derived_probe): Add "insert_condition_statement" method. * elaborate.cxx (derived_probe::derived_probe): Initialize "condition" field, and insert a condition check routine on the top of body. (derived_probe::insert_condition_statement): Implement it. (alias_expansion_builder::build): Pass the condition from the alias referer to new alias. * tapsets.cxx (be_derived_probe): Remove unused constructor. (dwarf_derived_probe::dwarf_derived_probe): Insert a condition check routine on the top of body. (mark_derived_probe::mark_derived_probe): Ditto. (mark_builder::build): Pass the base location to mark_derived_probe. 2007-11-19 Frank Ch. Eigler PR 3887. * staptree.h (probe_point): Add "sufficient" field. * staptree.cxx: Initialize it, print it. * parse.cxx (parse_probe_point): Parse it. * elaborate.cxx (derive_probes): Implement it. * stapprobes.5.in: Document it. * NEWS: Gloat about it. 2007-11-15 David Smith * tapsets.cxx (mark_derived_probe::initialize_probe_context_vars): Updated to work with latest LTTNG patch patch-2.6.24-rc2-lttng-0.10-pre23.tar.bz2. (mark_derived_probe_group::emit_module_decls): Ditto. (mark_derived_probe_group::emit_module_init): Ditto. (mark_derived_probe_group::emit_module_exit): Ditto. * translate.cxx (c_unparser::emit_common_header): Ditto. 2007-11-15 Mike Mason * systemtap.spec.in: Removed "make check" from rpm build steps 2007-11-15 David Smith * tapsets.cxx: Removed mark_query structure. (mark_derived_probe::mark_derived_probe): Just looks for "kernel" marker probes. (mark_builder::build_no_more): No longer kern_dw, instead clears the marker cache. (mark_builder::build): Now parses Module.markers file to find marker list and stores them in a cache. (register_standard_tapsets): Removed 'module("foo").mark("bar")'. All markers now go through 'kernel.mark("bar")'. * stapprobes.5.in (parts): Updated marker text. 2007-11-14 Jim Keniston PR 5324 * main.cxx: Restored initialization of need_uprobes flag, mistakenly backed out in PR 5270 fix. 2007-11-14 Zhaolei * stapfuncs.5.in (tokenize): Change NULL to blank to avoid misunderstanding. 2007-11-13 Jim Keniston PR 5270 * main.cxx: Restored pre-10-08 version: moved uprobes build to buildrun.cxx. * buildrun.cxx: Reworked uprobes build so that the resulting Module.symvers can be used in building the stap-generated module. If user isn't root, call verify_uprobes_uptodate() rather than trying (and failing) to rebuild uprobes.ko. * buildrun.h: uprobes_enabled() and make_uprobes() are no longer extern. * runtime/uprobes/Makefile: Added uprobes.ko target for use by verify_uprobes_uptodate(). 2007-11-12 Martin Hunt * stap.1.in: Replaced references to the log() function. * stapex.5.in: Ditto. * stapfuncs.5.in: Ditto. ALso remove print and printf. They are documented in stap.1.in. 2007-11-12 Martin Hunt * translate.cxx (visit_print_format): Strings without a format or formatted with "%s" or "%s\n" should be printed with calls to _stp_print(). Call _stp_print_char() if printing a char. * staptree.cxx (parse_print): Check for "print_char". * staptree.h (struct print_format): Add print_char. (parse_print): Update prototype. * parse.cxx (parse_symbol): Set print_char bool in print_format. 2007-11-12 Martin Hunt * tapsets.cxx (build_blacklist): Add __raw_spin_is_locked. 2007-10-25 Josh Stone PR 5219 * stap.1.in: Add a note about string literal limitations in printf and printd. 2007-10-22 Jim Keniston * runtime/uprobes/uprobes_x86_64.[ch]: Added x86_64 uprobes support 2007-10-19 Jim Keniston * runtime/uprobes/uprobes_ppc64.h,uprobes_s390.c: Fixed 10/16 update to arch_validate_probed_insn() decl. 2007-10-19 Masami Hiramatsu * staplog.c: Cleanup code and remove end-of-line spaces. (create_output_filename): Use snprintf instead of sprintf and remove malloc(). (print_rchan_info): Merge into output_cpu_logs(). (open_output_file): Use GETBUF() instead of malloc(). (output_cpu_logs): Simplify logic and remove unused code. (do_staplog): Merge into cmd_staplog(). (help_staplog): Fix typos. * Makefile.am (STAPLOG): Add -Wall option. * Makefile.in: Regenerated. 2007-10-19 Masami Hiramatsu From Satoru Moriya : * staplog.c (create_output_dir): New function for creating output directory. (create_output_filename): New function for making output filename. (print_rchan_info): New function for displaying relay channel status. (open_output_file): New function for opening output file. (output_cpu_logs): Cleanup code and fix bugs to retrieve buffer data even when the last buffer is full and even if the systemtap uses old(non-utt) format. Add a routine for '-a' option. (cmd_staplog): Add '-a' option. (help_staplog): Ditto. 2007-10-18 Mike Mason * stapprobes.5.in: Removed C label reference. Clarified source path requirements for probe definitions. Fixed some vertical spacing issues. 2007-10-18 Mike Mason * stapfuncs.5.in: Corrected tokenize description. Added task_* functions. 2007-10-16 Jim Keniston * runtime/uprobes/uprobes.[ch], uprobes_i386.[ch], uprobes_ppc64.h, uprobes_s390.h: Adjusted SLOT_IP and arch_validate_probed_insn to accept task pointer (needed by x86_64); added uprobe_probept_arch_info and uprobe_task_arch_info (ditto). * runtime/uprobes/uprobes_i386.c: Fixed a couple of glitches discovered when porting to x86_64 2007-10-15 Roland McGrath PR 5101 * loc2c.c (struct location): Replace regno union member with struct member reg, fields regno and offset. (translate): Update uses. (emit_base_fetch, emit_base_store, emit_loc_register): Likewise. Fail if reg.offset is not zero. (location_relative): Handle DW_OP_plus_uconst relative to loc_register. (c_translate_array): Handle array index into loc_register. 2007-10-15 David Smith * tapsets.cxx (mark_query::handle_query_module): Checks for marker to be in the proper section. (mark_derived_probe_group::emit_module_decls): Updated emitted marker C code for 10/2/2007 markers patch. Fixes PR 5178. From David Wilder * tapsets.cxx (mark_query::handle_query_module): Updated to handle 64-bit platforms correctly. 2007-10-15 Zhaolei From Cai Fei * conversions.stp: Add a function kernel_string_n for copy non-0-terminated string with fixed length from kernel space at given address. * stapfuncs.5.in: Add kernel_string_n. * nfsd.stp: Using kernel_string_n to copy non-0-terminated string with fixed length from kernel space at given address. * nfs_proc.stp: Ditto. 2007-10-12 David Smith * tapsets.cxx (dwflpp::setup): Added 'debuginfo_needed' parameter to not error if no debuginfo present. (hex_dump): New function. (mark_query::handle_query_module): Updated for 10/2/2007 markers patch. Currently only handles markers in the kernel image itself - not in modules. 2007-10-12 Martin Hunt * Makefile.am (staprun_LDADD): Add -lpthread. * Makefile.in: Rebuilt. 2007-10-11 Frank Ch. Eigler * systemtap.spec.in: Make -testsuite subrpm require dejagnu. 2007-10-10 Jim Keniston * runtime/uprobes/uprobes_ppc64.[ch]: Added * runtime/uprobes/uprobes_s390.[ch]: Added 2007-10-09 Jim Keniston PR 5083 * runtime/uprobes/uprobes.c: Adjust module ref-count when creating or removing uprobe_process, so "rmmod --wait uprobes" waits as needed until uretprobed functions return. 2007-10-08 Jim Keniston PR 5079 * main.cxx: Add pass 4.5: make uprobes.ko in runtime/uprobes * buildrun.cxx: Add uprobes_enabled() and make_uprobes(). Factor run_make_cmd() out of compile_pass(). * buildrun.h: Add uprobes_enabled and make_uprobes decls. * tapsets.cxx: Do correct #include for modprobed uprobes.ko; set need_uprobes in pass 2. * session.h: Add need_uprobes * runtime/staprun/common.c: Add -u option -> need_uprobes * runtime/staprun/staprun_funcs.c: Generalize insert_module() to support inserting uprobes.ko. * runtime/staprun/staprun.c: Add enable_uprobes(). insert_module call becomes insert_stap_module(). * runtime/staprun/staprun.h: Reflect insert_module() and need_uprobes changes * runtime/uprobes/*.[c,h]: uprobes is built as a module, rather than included into the source of the stap-generated module. * runtime/uprobes/Makefile: Added 2007-10-05 Frank Ch. Eigler PR 1119 * elaborate.cxx (semantic_pass_opt[12]): Warn on elided variables/functions in user script. * session.h (suppress_warnings): New field. Change "timing" to plain old bool. * main.cxx (main): Configure warnings on by default. * stap.1.in: Document this. 2007-10-05 Frank Ch. Eigler PR 5036 * systemtap.spec.in: Create new systemtap-testsuite sub-rpm. Install crash(8)'s staplog.so into -runtime sub-rpm if built. * Makefile.am (rpm): New target. * Makefile.in: Regenerated. 2007-10-04 Frank Ch. Eigler * stapfuncs.5.in: Document inet.stp tapset functions. 2007-10-04 David Smith * buildrun.cxx (compile_pass): Tweaked build system for the 2.6.23-rc8-mm2 kernel. 2007-10-03 Frank Ch. Eigler PR 5102 * translate.cxx (visit_statement): Add new parameter regarding whether c->last_stmt needs to be updated. Update callers, mostly passing "false". (visit_EXPRESSIONTYPE): Generally omit setting c->last_stmt, unless the construct can set c->last_error. 2007-10-03 Frank Ch. Eigler PR 5096 * translate.cxx (emit_function): Put nesting limit/control logic into function body ... (visit_functioncall): ... and not into each call site. 2007-10-02 Frank Ch. Eigler PR 3635 * translate.cxx (emit_global): Wrap all globals and locks into one top-level struct. Update references to former "global_VAR" prefix. * translate.h (emit_global_init): New function. 2007-10-02 Frank Ch. Eigler PR 5078 * tapsets.cxx (be_derived_probe): Rework to add error probe support. Emit probe description array in C for traversal by generated code. * register_standard_tapsets: Add error probes. * stapprobes.5.in: Document. * translate.cxx (emit_module_init): Handle errors that may occur during begin probes. (emit_module_exit): Use schedule() rather than cpu_relax() during shutdown synchronization wait loop. * staptree.cxx (probe::printsig): Put multiple probe points on same line. 2007-09-28 Frank Ch. Eigler * Makefile.in: Regenerated from Jim Keniston's uprobes Makefile.am changes. 2007-09-25 Josh Stone * tapsets.cxx (translator_output::~translator_output): Fix mismatched delete / delete []. 2007-09-25 David Smith * tapsets.cxx (mark_query::handle_query_module): Updated for 9/18/2007 markers patch. (mark_derived_probe::parse_probe_sig): Ditto. (mark_derived_probe_group::emit_module_decls): Ditto. (mark_derived_probe_group::emit_module_init): Ditto. (mark_derived_probe_group::emit_module_exit): Ditto. 2007-09-24 Masami Hiramatsu PR 3916 * buildrun.cxx (compile_pass): Add new autoconf options for checking time related APIs. 2007-09-21 Frank Ch. Eigler rhbz #300121 * elaborate.cxx (dead_stmtexpr_remover): Add visit_if_statement, visit_foreach_loop, visit_for_loop): Support elision for unbraced statement bodies. (visit_expr_statement): Assert absence of unexpected nesting. 2007-09-17 David Smith PR 1154 * stapprobes.5.in: Documented procfs probes. * tapsets.cxx (procfs_builder::build): Validate procfs path. 2007-09-14 David Smith PR 1154 * tapsets.cxx (procfs_var_expanding_copy_visitor::visit_target_symbol): Disallows reading from $value in a procfs read probe. 2007-09-14 David Smith PR 1154 * tapsets.cxx (procfs_derived_probe_group::emit_module_init): Fixed problem where if only one type (read/write) of procfs probe was defined, the generated code wouldn't compile. 2007-09-13 David Smith PR 1154 * tapsets.cxx (procfs_derived_probe::procfs_derived_probe): Removed debug print. (procfs_derived_probe_group::emit_module_decls): Improved error handling and added support for procfs.write probes. (procfs_var_expanding_copy_visitor::visit_target_symbol): Removed debug print. 2007-09-12 Frank Ch. Eigler * parse.cxx (parse_symbol): Accept println(@hist*()). 2007-09-12 Frank Ch. Eigler PR 5023 * translate.cxx (c_unparser::visit_literal_number): Support LLONG_MIN. (visit_unary_expression): Likewise. 2007-09-12 Martin Hunt PR 5019 * elaborate.cxx (visit_hist_op): Remove log histogram param. * translate.cxx (assert_hist_compatible): Ditto. * staptree.cxx (hist_op::print): Ditto. * session.h (statistic_decl): Ditto. * parse.cxx (expect_number): Allow negative numbers. Also validate that input is really numeric. This is used by histograms to get the parameters. (parse_hist_op_or_bare_name): Remove code to get parameter for log histograms. 2007-09-12 David Smith * translate.cxx (c_unparser::emit_common_header): Added 'data' variable to context structure to support procfs probes. * tapsets.cxx: Improved procfs probe handling. 2007-09-10 David Smith * tapsets.cxx (procfs_derived_probe_group::emit_module_init): Improved procfs probe handling (still non-working). (procfs_builder::build): Ditto. (register_standard_tapsets): Ditto. (all_session_groups): Ditto. 2007-09-10 Martin Hunt * tapsets.cxx, session.h, elaborate.cxx: Start of procfs interaction support. PR 1154. 2007-09-06 Masami Hiramatsu PR 4542 * tapsets.cxx (dwarf_query::build_blacklist): add __switch_to to blacklisted_return_probes on i686 2007-08-30 David Smith PR 4983 * translate.cxx (c_tmpcounter::visit_print_format): Don't declare temporaries for number and string constants. (c_unparser::visit_print_format): Use numeric and string constants directly instead of copying them into temporaries. 2007-08-27 Frank Ch. Eigler PR 4817 * NEWS: Mention retirement of LKET. * configure.ac: Remove mysql dependency. * systemtap.spec.in: Remove glib2 dependency. * configure, config.in: Regenerated. 2007-08-24 Frank Ch. Eigler * configure.ac: Check for proper $PROCFLAGS-dependent -lcap. * Makefile.am (staprun_LDADD): Use autoconf variable rather than -lcap literal. * configure, aclocal.m4, Makefile.in, config.in: Regenerated. 2007-08-24 Frank Ch. Eigler PR 4899 * tapsets.cxx (dwflpp::has_single_line_record): Extended, abstraction violated. (iterate_over_srcfile_lines): Remove exactly line number match logic. Improve error message to offered better-checked alternative line numbers. (query_srcfile_line): Whoops, pass scope_die down for statement("...") probes, to enable $target var processing. 2007-08-21 David Smith PR 2305 * translate.cxx (c_unparser::visit_foreach_loop): When the user requested sorting an array of aggregates by value, sort by @count. 2007-08-20 Martin Hunt PR 2424 From Lai Jiangshan From Satoru MORIYA * staplog.c: Updated. 2007-08-20 David Smith From Lai Jiangshan * main.cxx (main): Make sure the '-c' and '-x' options can't be specified together. 2007-08-17 Frank Ch. Eigler As suggested by "Zhaolei" : * elaborate.cxx (semantic_pass_optimize[12], unresolved, invalid, mismatch): Use stringstream and print_error(semantic_error) instead of ad-hoc cerr. 2007-08-16 Frank Ch. Eigler PR 1315. * stapfuncs.5.in: Document new target_set tapset. 2007-08-16 Frank Ch. Eigler * Makefile.am (install-exec-hook): Only make staprun setuid if "make install" is being run as root. * Makefile.in: Regenerated. 2007-08-16 Josh Stone PR 4591 * parse.cxx (parser::parse_symbol): Tweak 'print' matching to allow all the new variants with printd and println. * staptree.h (struct print_format): Add fields for the new print variants, and parse_print() to help matching. * staptree.cxx (print_format::parse_print): New static method to match the print variants and determine their properties. (print_format::print): Handle the new print types. (deep_copy_visitor::visit_print_format): Copy the new fields. * translate.cxx (c_unparser::visit_print_format): Insert delims and newlines where appropriate for new print functions. * stap1.in: Document the new print functions. 2007-08-15 David Smith * systemtap.spec.in: Updated %pre to latest Fedora group creation guidelines. * stap.1.in: Changed '/usr' to '@prefix@' so the values will be updated correctly. * stapfunc.5.in: Ditto. * README.security: Typo fix. 2007-08-15 Martin Hunt * Makefile.am: Removed stap_merge. * Makefile.in: Rebuilt. 2007-08-14 David Smith Merge from setuid-branch. Changes also by Martin Hunt . * Makefile.am: Added staprun_funcs.c and cap.c to staprun_SOURCES. Added -lcap to staprun_LDADD. Removed stp_check reference. Added stapio program. Staprun is now setuid. * Makefile.in: Rebuilt. * configure.ac: Version increase to 0.6 and checks for libcap availability. Removed stp_check reference. * configure: Regenerated. * stp_check.in: Removed. * systemtap.spec.in: Version increase to 0.6-1 and added BuildReq for libcap-devl (and removed sudo requirement). Added %pre script to create new groups. Staprun is now setuid. * NEWS: Added info on new security model. * INTERNALS: Removed sudo reference. * README.security: New file. * main.cxx (main): Make sure module name isn't too long. * hash.cxx: Moved MODULE_NAME_LEN define to hash.h. * hash.h: Moved MODULE_NAME_LEN define here from hash.cxx. * buildrun.cxx (run_pass): No longer runs staprun with "sudo". * stap.1.in: Removed sudo references and added information about the stapdev/stapusr groups. * staprun.8.in: Added information about module detaching and attaching. Removed sudo references and added information about the stapdev/stapusr groups. Removed reference to staprun needing to be run as root. Removed reference to removed '-u USERNAME' option. * .cvsignore: Removed stp_check and added stapio and stap_merge. 2007-08-10 Josh Stone PR 4593 * translate.cxx (c_unparser::emit_common_header): Add an error_buffer to the context to allow dynamic error messages. * tapsets.cxx (dwflpp::express_as_string): Let deref / store_deref fill in last_error with a detailed message. 2007-08-09 Frank Ch. Eigler From Lai Jiangshan : * translate.cxx (emit_module_exit): Use stp_warn for warning. 2007-08-07 Frank Ch. Eigler PR 4846 * parse.cxx (input_put): New function, sort of like stdio ungetc. (input_get): Skip cursor position changing for input_put strings. (scan): Rework $.../@... substitution into character pasting. * parse.h: Corresponding changes. * util.h (lex_cast_qstring): Octal-quote unprintable characters. * stap.1.in, NEWS: Document new behaviour. 2007-07-26 David Smith PR 4295 * main.cxx (main): If '-m MODNAME' is used, the generated module is saved in the current directory. * stap.1.in: Updated '-m' description. 2007-07-11 William Cohen * systemtap.spec.in: Make sqlite support selectable. 2007-07-11 Frank Ch. Eigler * configure.ac: Don't AC_MSG_ERROR if don't HAVE_LIBSQLITE3. * coveragedb.cxx: Compile to nothing unless HAVE_LIBSQLITE3. * main.cxx: Print no error message on -q if HAVE_LIBSQLITE3. * configure: Regenerated, looks rosier with HAVE_LIBSQLITE3. 2007-07-08 William Cohen PR 4529 * coveragedb.cxx (update_coverage_db): Make index "unique" to optimize. 2007-07-08 William Cohen PR 4529 * coveragedb.h (db_type): New enum for type column in coverage_element. (coverage_element): Remove removed column, change type to int. * coveragedb.cxx (has_table, has_index): New. (update_coverage_db): Use has_table, has_index. (enter_element): Change for new table format. (increment_element): Ditto. (sql_update_used_probes): Ditto. (sql_update_unused_probes): Ditto. (sql_update_used_functions): Ditto. (sql_update_unused_functions): Ditto. (sql_update_used_globals): Ditto. (sql_update_unused_globals): Ditto. (update_coverage_db): Ditto. (print_coverage_info(systemtap_session): Relocate vector. (sql_update_used_probes): Ditto. (sql_update_unused_probes): Ditto. 2007-07-03 Frank Ch. Eigler * configure.ac: Bumped version to 0.5.15 for development. * configure: Regenerated. 2007-07-03 Roland McGrath * Makefile.am (install-exec-local, install-elfutils): Use $(DESTDIR). (SRCDIR): Variable removed. (check): Use sh code in commands instead. * Makefile.in: Regenerated. 2007-07-02 William Cohen PR 4717 From Eugeniy Meshcheryakov * staptree.cxx: Add #include for gcc 4.3. 2007-07-02 Frank Ch. Eigler * staplog.c: New file from Satoru MORIYA , prototype crash(8) extension module. * configure.ac: Look for crash/defs.h. * Makefile.am: Build/install staplog.so shared library if found. * configure, Makefile, config.in, runtime/lket/b2a/Makefile.in: Regenerated. 2007-07-02 William Cohen PR 4720 * staptree.cxx (probe_point::print): Remove stray output. 2007-06-29 William Cohen PR 4529 * configure.ac: * Makefile.am: Limit where sqlite3 linked in. * configure: * Makefile.in: Regenerate. 2007-06-29 William Cohen PR 4529 * configure.ac: * Makefile.am: Limit where sqlite3 linked in. * configure: * Makefile.in: Regenerate. * coveragedb.cxx (update_coverage_db): Remove unneeded print. * coveragedb.cxx (increment_element): Correct formatting. 2007-06-26 William Cohen * staptree.cxx (probe_point::print): Remove stray "\n". 2007-06-26 William Cohen PR 4529 * coveragedb.cxx: New. * coveragedb.h: New. * Makefile.am: Add coveragedb.cxx and sqlite3 to build. * Makefile.in: Regenerated. * configure.ac: Add test for sqlite3 * configure: Regenerated. * systemtap.spec.in: Add dependencies for sqlite3/sqlite3-devel. * elaborate.h, elaborate.cxx (derived_probe::collect_derivation_chain): New. (alias_expansion_builder::build): Correct token location. (semantic_pass_opt[12): Track used and unused variables/functions. * session.h (tapset_compile_coverage, unused_globals, unused_probes, unused_functions): New fields. * staptree.h (unused_locals, probe_point::str): New member. * staptree.cxx: Ditto. * main.cxx: Add "-q" tapset coverage option and SYSTEMTAP_COVERAGE env. 2007-06-21 David Smith * Makefile.in: Regenerated with automake 1.10. * aclocal.m4: Regenerated with aclocal 1.10. * configure: Regenerated. 2007-06-20 Martin Hunt * Makefile.am (noinst_PROGRAMS): Add stap_merge. * Makefile.in: Rebuilt: * config.in: Rebuilt 2007-06-20 Frank Ch. Eigler * configure.ac: Added AM_PROG_CC_C_O for compatibility with automake 1.10. * configure, aclocal.m4: Regenerated. 2007-06-20 David Smith * buildrun.cxx (compile_pass): Unset environment variables that could interfere with building the kernel module. Fixes PR 4664. * main.cxx (main): Unsets a few standard environment variables for safety. 2007-06-18 David Smith * staprun.8.in: Fixed a couple of typos. 2007-06-15 Frank Ch. Eigler PR 3331 cont'd. * loc2c.c (base_encoding): Tolerate absenece of DW_AT_encoding. (c_translate_pointer): Don't even try to find signedness, assume unsigned. 2007-06-14 Frank Ch. Eigler * translate.cxx (emit_module_init): Emit translator/elfutils version numbers together. * main.cxx (version): Ditto. (main): Skip printing tapset directories where no sources were found. 2007-06-14 Frank Ch. Eigler PR 3331 cont'd. * loc2c.c (emit_base_fetch): Emit size/signedness cast slightly differently for every low-level fetch. (translate_base_fetch, c_translate_fetch, c_translate_store, c_translate_pointer): Fetch & pass the $target signedness. (base_encoding): Follow typedefs etc. 2007-06-09 Frank Ch. Eigler PR 4609 From Eugeniy Meshcheryakov * staptree.cxx: Add #include for gcc 4.3. 2007-06-08 David Smith PR 4553. * configure.ac: For x86 systems with gcc versions less than 4, automatically default to enabling prologue searching. * configure: Regenerated. 2007-06-05 Frank Ch. Eigler PR 3331. * loc2c.c (emit_base_fetch): Emit size/signedness cast for every low-level fetch. (translate_base_fetch, c_translate_fetch, c_translate_store, c_translate_pointer): Fetch & pass the $target signedness. 2007-05-31 Frank Ch. Eigler PR 3579 From Eugeniy Meshcheryakov * cache.cxx, parse.cxx: Add #include for gcc 4.3. 2007-05-30 Frank Ch. Eigler PR 4567. * staptree.cxx (varuse_collecting_visitor): Add side-effect result query functions. * elaborate.cxx (dead_stmtexpr_remover::visit_expr_statement): Switch to it. (dead_assignment_remover::visit_assignment): Skip elision of lvalues with side-effects in index exprs. * staptree.h: Corresponding changes. 2007-05-25 Frank Ch. Eigler PR 4255 teaser. * elaborate.cxx (has_null_param): New function. * elaborate.h: Declare it. * session.h: Include uprobe_derived_probes group. * tapsets.cxx (uprobe_*): New classes. (all_session_groups): List uprobes in list. (register_standard_tapset): Interpret process(#).statement(#).absolute and process(#).statement(#).absolute.return probe points. 2007-05-25 Martin Hunt Patch from Quentin Barnes. * tapsets.cxx (query_module): Add support for arm. 2007-05-21 David Smith PR 4446. * elaborate.h (derived_probe::initialize_probe_context_vars): New virtual function that will allow added context vars to be initialized. * translate.cxx (c_unparser::emit_common_header): Added 'mark_va_list'. (c_unparser::emit_probe): Calls new function initialize_probe_context_vars. (translate_pass): Includes linux/marker.h if CONFIG_MARKERS is defined. * tapsets.cxx (struct dwarf_query): Split into base_query (which contains most of the original code) and a much smaller dwarf_query class. (struct base_query): New class. (dwarf_query::handle_query_module): New function. (query_module): Moved code into dwarf_query::handle_query_module(). (mark_derived_probe): Adjusted for new kernel markers. (mark_derived_probe_group): Ditto. (mark_var_expanding_copy_visitor): Ditto. (mark_var_expanding_copy_visitor::visit_target_symbol): Generates code for new kernel markers. (struct mark_query): New class. (mark_query::handle_query_module): New function. (mark_derived_probe::mark_derived_probe): Adjusted for new kernel markers. (mark_derived_probe::join_group): Ditto. (mark_derived_probe::emit_probe_context_vars): Ditto. (mark_derived_probe::parse_probe_sig): New function. (mark_derived_probe::initialize_probe_context_vars): New function. (mark_derived_probe::emit_module_decls): Adjust for new kernel markers. (mark_derived_probe::emit_module_init): Ditto. (mark_derived_probe::emit_module_exit): Ditto. (struct mark_builder): Ditto. (mark_builder::build): Ditto. 2007-05-08 Martin Hunt * buildrun.cxx (run_pass): Send proper verbosity level to staprun 2007-05-06 Frank Ch. Eigler PR 1305. * tapsets.cxx (iterate_over_srcfile_lines): Exclude approximate file:lineno matches optimistically returned by dwarf_getsrc_file. (query_srcfile_line): Use Dwarf_Line line number for constructing derived_probe location string. 2007-05-02 David Smith * translate.cxx (c_tmpcounter::visit_functioncall): Updated temporary handling. (c_unparser::visit_functioncall): No longer copies numeric and string constants to temporary variables. 2007-05-01 David Smith * translate.cxx (c_tmpcounter::visit_binary_expression): Updated temporary handling. (c_unparser::visit_binary_expression): Improved handing of numeric constants when handling '%' and '/' operators. (c_tmpcounter::visit_print_format): Updated temporary handling. (c_unparser::visit_print_format): Removed the need for a result temporary when printing to a stream. 2007-04-30 David Smith PR 2339 * translate.cxx (c_unparser_assignment::c_assignop): Improved handling of numeric constants in the rest of the assignment operators. (c_tmpcounter_assignment::c_assignop): Updated temporary handling. 2007-04-29 Frank Ch. Eigler * configure.ac: Mention testsuite/configure.ac for version matching. 2007-04-27 Frank Ch. Eigler PR 4432. * buildrun.cxx (compile_pass): Tweak autoconf CFLAGS handling to avoid macro recursion but still get the needed -I directives. Add the inode-private autoconf test. 2007-04-26 Frank Ch. Eigler PR 4432. * buildrun.cxx (compile_pass): Add $(mflags-y) to stap_check_build. 2007-04-26 Frank Ch. Eigler * buildrun.cxx (compile_pass): Correct placement of commented-out "set -x" make-macro-debugging snippet. 2007-04-25 David Smith PR 2339 * translate.cxx: Renamed "qname" to "value" throughout, since there are times now when qname would refer to a constant value. (tmpvar::override): Added function to allow for overriding a temporary variable name with a string. (tmpvar::value): New function that returns either the overridden string or the temporary variable name. (c_unparser::c_expression): New function. (c_unparser_assignment::c_assignop): Speed up assignment when numeric or string constants are used. (c_tmpcounter::visit_block): Avoid empty structs inside the union of temporary variables. (c_tmpcounter_assignment::prepare_rvalue): New function. (c_tmpcounter_assignment::c_assignop): New function. (c_tmpcounter_assignment::visit_symbol): Update temporary declarations. (c_unparser_assignment::prepare_rvalue): Speed up use of rvalues by using numeric and string constants directly instead of copying them to temporaries first. (c_tmpcounter::load_map_indices): New function. (c_unparser::load_map_indices): Speed up use of numeric and string constants as map indices. (c_tmpcounter::visit_arrayindex): Updated temporary declarations. (c_tmpcounter_assignment::visit_arrayindex): Updated temporary declarations. * translate.h (class translator_output): Added tellp() and seekp() functions. 2007-04-24 Mike Mason * man/stapprobes.socket.5.in: Removed do_write and do_read probes, added aio_write, aio_read, writev and readv probes. 2007-04-24 David Smith * tapsets.cxx (common_probe_entryfn_epilogue): Increment error_count when overload processing kicks in. 2007-04-24 Martin Hunt * stp_check.in: More tweaking of mount statement. 2007-04-23 Frank Ch. Eigler * tapsets.cxx (die_entrypc): Expand search algorithm to check for "aranges", as sometimes occurs for inlined functions. 2007-04-20 Roland McGrath * systemtap.spec.in (elfutils_version): Bump to 0.127. 2007-04-18 Frank Ch. Eigler * Makefile.am (install-elfutils): Use $INSTALL_PROGRAM to copy elfutils shared libraries, as suggested by Perry Cheng . 2007-04-18 Frank Ch. Eigler * parse.cxx (scan_pp): Correct warnings from if/if/else nesting. 2007-04-10 Martin Hunt * stp_check.in: Fixes to make sure debugfs or relayfs are mounted exactly where we expect and other mounts are ignored. 2007-04-03 Pierre Peiffer * parse.cxx, parse.h (lexer::scan): Add $# and @# identifiers. (eval_pp_conditional, scan_pp): Allow the use of $x and @x identifiers. Produce more accurate error messages. * stap.1.in: Document $# and @# identifiers. 2007-04-04 Frank Ch. Eigler GCC 4.3 compatibility patches from Debian. * buildrun.cxx, hash.cxx, tapsets.cxx, translate.cxx: #include a few more C++ headers. 2007-04-03 Frank Ch. Eigler Improve error messages for underprivileged scripts. * parse.h (parse_error): Add skip_some member, true default. * parse.cxx (parse_embedded_code): Send false on missing -g. * parse.cxx (parser::parse): Respect flag during parse error recovery. 2007-04-02 Frank Ch. Eigler PR 3261. * tapsets.cxx (query_module): Reject elfutils module "kernel" unless kernel.* probe point used. 2007-04-02 Frank Ch. Eigler * tapsets.cxx (query_dwarf_func): Skip non-inlined functions for .function().inline case. 2007-03-30 Frank Ch. Eigler PR 1570 * NEWS: Document probe handler language change re. inline functions. * stapprobes.5.in: Likewise. * tapsets.cxx: Many changes to simplify caches and implement new handling of inline functions, removed of stubs for future probes. * elaborate.cxx (derived_probe printsig_nested): New function. * elaborate.h: Declare it. * main.cxx (usage): Clarify "-r" meaning. (main): Tweak related "-p 4" message. 2007-03-30 David Smith PR 2341 * translate.cxx (c_unparser::emit_locks): No longer emits a read lock for global variables that are only written to in begin/end probes. (c_unparser::emit_unlocks): Ditto. (translate_pass): Runs a varuse_collecting_visitor over probes that need global variable locks for use in emit_locks()/emit_unlocks(). * stap.1.in: Corrected probe overload processing text. 2007-03-29 David Smith PR 3545 * stap.1.in: Documented probe overload processing. 2007-03-29 Frank Ch. Eigler * tapsets.cxx (dwarf_derived_probe emit_module_init): Correct handling of kprobe registration errors in the middle of a sequence. 2007-03-29 David Smith PR 4281 * main.cxx (main): Validates '-m NAME' option. Chops off '.ko' if present. Makes sure name isn't empty. Makes sure name is only composed of characters [_a-zA-Z0-9]. 2007-03-28 David Smith PR 2341 (partial fix) * elaborate.h (struct derived_probe): Added needs_global_locks() member function. Unless overridden, will return true indicating that this probe needs locks around global variable references. * tapsets.cxx (struct be_derived_probe): Added override of default needs_global_locks() returning false. begin/end probes don't need locks around global variables, since they aren't run concurrently with any other probes. * translate.cxx (c_unparser::emit_common_header): Updated probe_contents logic to match the logic in emit_probe. (c_unparser::emit_probe): Added whether the probe needs global variable locks to the probe string (that helps eliminate duplicate probes). The generated C changes based on whether or not global variable locks are needed, but the pass 2 output doesn't differ between a probe that needs global variable locks and one that doesn't. If the probe doesn't need global variable locks, doesn't output them. 2007-03-26 Frank Ch. Eigler * configure.ac: Bumped version to 0.5.14. * configure: Regenerated. 2007-03-26 David Smith * tapsets.cxx (dwflpp::translate_final_fetch_or_store): Improved error messages for invalid types. * elaborate.cxx (typeresolution_info::invalid): Improved the error message for invalid operators. 2007-03-22 Frank Ch. Eigler PR 4224. * staptree.h (probe): Add privileged field. * elaborate.cxx, parse.cxx: Pass privileged flag to probes. * tapsets.cxx (dwarf_query): Add has_absolute field. (dwarf_derived_probe ctor): Tolerate it. (register_patterns): Expose it. (dwarf_builder::build): Implement it with no dwfl whatsoever. * NEWS: Document kernel.statement().absolute. * stapprobes.5.in: Ditto. 2007-03-21 Will Cohen * Makefile.am: * Makefile.in: Correct SAMPLE_SRC. 2007-03-21 David Smith PR 4146 * tapsets.cxx (common_probe_entryfn_prologue): Added 'interruptible' parameter. If a probe is interruptible, interrupts are not disabled while the probe executes. Preemption is disabled however. Interruptible parameter defaults to false. (common_probe_entryfn_epilogue): Ditto. (be_derived_probe_group::emit_module_decl): Uses new 'interruptible' parameter to mark begin/end probes as interruptible. (probe_derived_probe_group::emit_module): Initialize 'actionremaining' with MAXACTION instead of initializing 'actioncount' with 0. * translate.cxx (emit_common_header): Renamed 'actioncount' to 'actionremaining'. Turned logic around to initialize actionremaining to MAXACTION or MAXACTION_INTERRUPTIBLE then decrement it as actions occur. (translate_pass): Added MAXACTION_INTERRUPTIBLE initialization. * translate.h: Removed outdated comment portion. * stap.1.in: Documented MAXACTION_INTERRUPTIBLE. * NEWS: Added note about begin/end probes being run with interrupts enabled. 2007-03-20 Frank Ch. Eigler PR 4224. * tapsets.cxx (add_probe_point): Make kernel implicitly relocated relative to the _stext symbol. (dwarf_derived_probe ctor, emit_module_decls): Cooperate. (lookup_symbol_address): New function. (dwarf_builder::build): Call it thrice. (in_kprobes_function): Simplify. * session.h (systemtap_session): Rename cached symbol addresses. * translate.cxx, elaborate.cxx: Corresponding tweaks. 2007-03-19 David Smith PR 4146 (partial fix) * tapsets.cxx (all_session_groups): Added note about stating that begin probes should be registered (actually run) first and end probes should be unregistered (run) last. * translate.cxx (c_unparser::emit_module_exit): Process probe group vector in reverse order so that probe groups will get unregistered in the reverse order that they were registered. 2007-03-19 Frank Ch. Eigler * buildrun.cxx (compile_pass): Emit kbuild-time autoconf widgets to customize runtime or translator C code to actual kernel rather than kernel version string. Thanks to FC 2.6."20" for the nudge. * tapsets.cxx (hrtimer*emit_module): First client: HRTIMER_{MODE_}REL. 2007-03-17 Frank Ch. Eigler * configure.ac: Tweak missing elfutils error message. * configure: Regenerated. 2007-03-16 David Smith PR 3545. * tapsets.cxx (common_probe_entryfn_prologue): Added 'overload_processing' parameter, which defaults to true. If overload_processing is set to false, doesn't output the STP_OVERLOAD code. (common_probe_entryfn_epilogue): Ditto. (be_derived_probe_group::emit_module_decl): Set overload_processing to false in calls to common_probe_entryfn_prologue and common_probe_entryfn_epilogue since begin/end probes shouldn't overload the system. * translate.cxx (c_unparser::emit_common_header): Emit STP_OVERLOAD global variables. (translate_pass): Emit STP_OVERLOAD defines. 2007-03-14 Martin Hunt * main.cxx (usage): Remove "-M" and edit description of "-b". * stap.1.in: Remove "-M" option and edit description of "-b". Edit description of "-o". 2007-03-14 Martin Hunt * Makefile.am: Don't install old relayfs sources. * makefile.in: Rebuilt. 2007-03-14 Martin Hunt * Makefile.am (staprun_SOURCES): Sources now live in runtime/staprun. * makefile.in: Rebuilt. * staprun.8.in: Updated. * buildrun.cxx (run_pass): Use "-v" instead of not "-q" to be compatible with latest staprun. * translate.cxx (emit_module_exit): Print warning using _stp_printf so it shows up at the end of all output. (translate_pass): Replace STP_RELAYFS with STP_BULKMODE. Eliminate STP_RELAYFS_MERGE. 2007-03-13 Frank Ch. Eigler PR 4171. * Makefile.am (check, installcheck): Pass build-tree pointers in environment variables. * configure.ac: Run separate configury for testsuite/. * configure, Makefile.in: Regenerated. 2007-03-07 Frank Ch. Eigler PR 4166. * tapsets.cxx (translate_components): Throw an exception rather then suffer an assertion failure for $ptr[index] expressions. 2007-03-05 David Smith * systemtap.spec.in: Made example perl script non-executable so that the systemtap rpm won't require perl. 2007-03-04 Frank Ch. Eigler * stap.1.in, stapex.5.in, staprun.8.in: Tweak text to remove authors credits, update examples and pointers. 2007-02-28 David Smith * systemtap.spec.in: Fixed %{_libexecdir}/systemtap path in systemtap-runtime %files section. 2007-02-27 Frank Ch. Eigler * systemtap.spec.in (/var/cache/systemtap): Forget it. (stp_check): Pack this in with systemtap-runtime. * stp_check.in: Add LANG=C for speed. 2007-02-27 David Smith * staprun.8.in: Added a basic staprun man page. * Makefile.am: Added staprun.8. * Makefile.in: Regenerated. * configure.ac: Added staprun.8. * configure: Regenerated. * systemtap.spec.in: Added staprun.8 and other document files to staprun RPM. * .cvsignore: Ignores staprun.8. 2007-02-27 Frank Ch. Eigler * tapsets.cxx (dwflpp setup): Print "missing kernel debuginfo" message consistently for, er, missing kernel debuginfo. (dwarf_builder::build): Don't try to help. (query_kernel_exists): Zapped. 2007-02-27 David Smith * systemtap.spec.in: Fedora Packaging Guidelines updates. Updated BuildRoot macro value to Fedora Extras standard value. No longer uses %makeinstall macro. The rpm now owns the /usr/libexec/systemtap directory. 2007-02-26 David Smith * Makefile.am: Removed 'update-examples' target. Moved functionality to systemtap.spec.in. * Makefile.in: Regenerated from Makefile.am. * systemtap.spec.in: Fixes paths in the example scripts directly. * Makefile.am: Added 'update-examples' target that fixes paths in the example code we ship in the rpm. * Makefile.in: Regenerated from Makefile.am. * systemtap.spec.in: Calls "make update-examples" target to fix the path to systemtap in the example scripts. 2007-02-25 Frank Ch. Eigler * elaborate.h (match_node, derived_probe_builder): Add build_no_more member function. * elaborate.cxx (semantic_pass_symbols): Call it. * tapsets.cxx (dwarf_builder): Implement it by releasing dwflpp instance after pass 2, freeing mucho memory. 2007-02-23 Josh Stone PR 4096 * tapsets.cxx (hrtimer_derived_probe_group::emit_module_decls): Adapt the function signature for changes in 2.6.21. (hrtimer_derived_probe_group::emit_module_init): Fix the enum name for 2.6.21 as well. 2007-02-19 Frank Ch. Eigler PR 4078 and more, including patch from Eugeniy Meshcheryakov : * Makefile.am (AM_CXXFLAGS, AM_CFLAGS): Add -Wextra -Wall -Werror consistently. * Makefile.in: Regenerated. (*): Many minor warning fixes. 2007-02-17 Frank Ch. Eigler PR 4066. * translate.cxx (var::init): Check stat scalar initialization, just like is done for arrays. (emit_module_exit): Check unlikely but possible null timing stat. 2007-02-15 David Smith PR 3625. * tapsets.cxx (dwflpp::print_locals): New function to print all the variables/parameters of a function. (dwflpp::find_variable_and_frame_base): Calls print_locals() when target variable can't be found. (dwflpp::print_members): New function to print all the members of a union/structure. (dwflpp::translate_components) Calls print_members() when union/structure member target variable reference can't be found. 2007-02-14 Frank Ch. Eigler * tapsets.cxx (emit_module_decls): Assert CONFIG_KPROBES, as suggested by Andreas Kostyrka . 2007-02-12 Frank Ch. Eigler * tapsets.cxx (query_statement): Tolerate null file name string. 2007-02-09 Frank Ch. Eigler PR 3965 * configure.ac: Add --enable-prologue option. * configure, config.in: Regenerated. * session.h (prologue_searching): New field. * main.cxx (main): Parse new "-P" option. Initialize based on autoconf flag. * stap.1.in, NEWS: Document it. * hash.cxx (find_hash): Include it in computation. * tapsets.cxx (query_func_info, query_cu): Respect it. 2007-02-06 Frank Ch. Eigler * stapfuncs.5.in: Add docs for kernel_{long,int,short,char} and some user_string* variants. 2007-01-31 Martin Hunt * translate.cxx (translate_pass): Remove old string impedance mismatch stuff. Modify included files. 2007-01-29 Frank Ch. Eigler * configure.ac, configure: Bumped version to 0.5.13 for development. 2007-01-29 Frank Ch. Eigler * translate.cxx (emit_module_init): Add some more type casts to printk args. 2007-01-29 Martin Hunt * translate.cxx (emit_module_init): BZ3888. Add memory usage for the runtime to the printk. 2007-01-29 Frank Ch. Eigler * main.cxx (main): For successful last_pass=4, print compiled module name. * cache.cxx (get_from_cache): Ditto. 2007-01-23 Mike Mason * Makefile.am, configure.ac: Add support for stapprobes.socket man page. * configure, Makefile.in: Regenerate. * man/stapprobes.socket.5.in: Socket tapset man page. * stapprobes.5.in: Add stapprobes.socket(5) to "See Also" section. * stapfuncs.5.in: Add new string and sockets functions. 2007-01-23 Frank Ch. Eigler * tapsets.cxx (loc2c_error): Correct vasprintf ignored-rc warning. 2007-01-22 Martin Hunt * translate.cxx (mapvar::exists): Use new _stp_map_exists function. Testing for zero is no longer correct after changes from 2007-01-10 below. 2007-01-18 Frank Ch. Eigler * main.cxx (version): Add (C) 2007. * translate.cxx (emit_module_init): Add a KERN_DEBUG printk at module startup time to aid debugging and auditing. 2007-01-12 David Smith * tapsets.cxx (dwarf_var_expanding_copy_visitor::visit_target_symbol): Since array behavior has changed (setting to 0 no longer deletes the array element), we delete the internal counter array element when providing target variable access in return probes. 2007-01-11 Roland McGrath * systemtap.spec.in (elfutils_version): Bump to 0.125. Older libdw's have known bugs, though the ABI has not changed. 2007-01-10 Martin Hunt * translate.cxx (mapvar::del): Call the new _stp_map_del function instead of setting to zero. 2007-01-01 Frank Ch. Eigler * configure.ac: Bump version to 0.5.12 for release. * configure: Regenerated. * NEWS, AUTHORS: Populate & repopulate. 2006-12-29 Frank Ch. Eigler * tapsets.cxx (*group:emit_module_init): flush stdout less for timing mode. Also, Set probe_point variable ... * translate.cxx (emit_module_init): ... so on registration failure, a usable error message can be generated. 2006-12-29 Frank Ch. Eigler PR 3523. * tapsets.cxx (common_probe_entryfn_prologue,epilogue): Restore support for -t (benchmarking) mode. * translate.cxx (emit_common_header,emit_module_init):Ditto. (emit_module_exit,emit_probe): Ditto, with most meat here. 2006-12-22 Josh Stone * stap.1.in: Document how to specify the size of global arrays. 2006-12-21 Josh Stone PR 3671 * parse.cxx (parser::parse_global): Allow a maxsize on global arrays. * staptree.h (struct vardecl): Add the maxsize field. * staptree.cxx (vardecl::vardecl): Init. maxsize. (vardecl::set_arity): Don't allow arity 0 when there's a maxsize. (vardecl::compatible_arity): Ditto. (vardecl::print): Include maxsize in output. (target_symbol::print): Ditto. * translate.cxx (struct mapvar, mapvar::mapvar): Add maxsize. (mapvar::init): Init maps with the given maxsize if specified, else keep using MAXMAPENTRIES. (mapvar::set): Make the error message give the maxsize. (mapvar::add): Ditto, and check for overflow on pmap add. (c_unparser::getmap): Pass the maxsize from the vardecl to mapvar. 2006-12-21 David Smith * hash.cxx (find_hash): Added two more options into the hash that change the generated C file - '-M' (merge) and '-t' (benchmark timing). 2006-12-20 David Smith PR 3519. * Makefile.am: Added 'examples' directory to the 'EXTRA_DIST' variable so that the examples directory will be added to the distribution directory. Added variables 'SAMPLE_DEST_DIR' and 'SAMPLE_SRC' and target 'dist-add-samples' to copy some of the testsuite sample scripts to the examples directory when creating a distribution directory. * Makefile.in: Regenerated. * systemtap.spec.in: Added 'examples' directory to the %doc list so that the examples directory will be installed on a user's system. 2006-12-19 Frank Ch. Eigler PR 3522. * tapsets.cxx (dwflpp::emit_address): Call _stp_module_relocate only once per session. Error message cleanup: duplicate elimination etc. * session.h (saved_errors): Store a set of 'em. (num_errors): Return set size. Remove old numeric field. Update all callers. * elaborate.cxx (systemtap_session::print_errors): Print each encountered message just once. * staptree (semantic_error): Make msg2 writeable. Add a chain field. * tapsets.cxx (*var_expanding*:visit_target_symbol): Set saved semantic_error's chain field. * elaborate.cxx (register_library_aliases, visit_foreach_loop, visit_functioncall, derive_probes): Plop "while: ..." error message prefix/suffix right into the semantic_error message string. * parse.cxx (lexer::scan): Identify erroneous token better in error message for unresolvable $N/@M command line args. * util.h (lex_cast_hex): Use std::hex, not std::ios::hex. 2006-12-18 David Smith * Makefile.am (EXTRA_DIST): Added header files - cache.h, hash.h, mdfour.h, and util.h. * Makefile.in: Regenerated. 2006-12-16 Frank Ch. Eigler * main.cxx (main): Print version strings if verbose >=2 . * tapsets.cxx (common_probe_entryfn_prologue): Decorate an emitted local with __restrict__. 2006-12-14 David Smith * tapsets.cxx (struct dwarf_var_expanding_copy_visitor): Added 'return_ts_map' member variable. (dwarf_var_expanding_copy_visitor::visit_target_symbol): Optimization. If we've already seen this target variable in this return probe, return the last replacement (instead of creating a new replacement). 2006-12-13 David Smith * tapsets.cxx (struct dwarf_var_expanding_copy_visitor): Added 'add_probe' member variable. Initialized it in ctor. (dwarf_var_expanding_copy_visitor::visit_target_symbol): Optimization. Instead of generating one entry probe per target variable accessed in a return probe, now just generates one entry probe for all target variables accessed in a particular return probe. It does this by creating a new probe in the new 'add_probe' member variable. (dwarf_derived_probe::dwarf_derived_probe): If add_probe isn't NULL, make sure it gets derived later. 2006-12-11 Josh Stone * parse.cxx (parse::parse_literal): Enforce the lower bound on negative literals. 2006-12-11 David Smith * hash.cxx (find_hash): Fixed a caching bug. Bulk mode (relayfs) status should be figured into the hash since it changes the generated C code. 2006-12-08 Josh Stone PR 3681. * staptree.h (struct vardecl): Add a literal 'init' member for the initialization value of globals. * staptree.cxx (vardecl::vardecl): Initialize 'init' to NULL. (vardecl::print): Print global init value during pass-1 output. * main.cxx (printscript): Print global init values during verbose pass-2 output. * parse.cxx (parser::parse_global): Set the initialization literal of global vardecls. * translate.cxx (var::init): Don't unconditionally override the value of numeric globals when the module_param isn't used. (c_unparser::emit_global_param): Write numeric module_params directly into the global variable, as an int64_t instead of long. (c_unparser::emit_global): Add initialization to global declarations. Don't create a temp module_param long for numeric globals anymore. 2006-12-07 Josh Stone PR 3624. * tapsets.cxx (struct be_derived_probe): Add a new priority parameter for begin/end probes, and a comparison function for sorting. (be_builder::build): Parse the priority & pass it to be_derived_probe. (be_derived_probe_group::emit_module_init, emit_module_exit): Sort the probe list by priority before emitting any code. (register_standard_tapsets): Add new begin/end variants. * parse.cxx (parser::parse_literal): Allow negative numeric literals, by checking for a '-' unary operator right before a number. * stapprobes.5.in: Document the new begin/end syntax. 2006-12-06 Josh Stone PR 3623. * tapsets.cxx (timer_derived_probe_group::emit_module_decls): Restart the timers if we are in STARTING or RUNNING state. (hrtimer_derived_probe_group::emit_module_decls): Ditto. (be_derived_probe_group::emit_module_init): indicate error to the rest of the initialization if any begin probes fail. * translate.cxx (c_unparser::emit_module_init): Set the global error state on an initialization error so timers know to shut down. 2006-12-05 Frank Ch. Eigler PR 3648. * main.cxx (main): Tweak error message for tapset script execution. Also catch those clever rogues who use stdin. 2006-11-30 Frank Ch. Eigler * tapsets.cxx (common_probe_entryfn_prologue): Tweak insufficient stack detection logic. 2006-11-30 David Smith * main.cxx (printscript): Prints global embedded code. Not printing the global embedded code was causing bad caching behavior. 2006-11-29 David Smith * tapsets.cxx (struct dwarf_var_expanding_copy_visitor): Added 'add_block' member variable. Constructor sets it to NULL. (dwarf_var_expanding_copy_visitor::visit_target_symbol): Fixes the problem of accessing a cached target variable in a loop. Cached target variable is assigned to a temporary variable, which can be safely access multiple times. In addition, the cached value is deleted after being read. (dwarf_derived_probe::dwarf_derived_probe): Adds in the new block of code created in visit_target_symbol() to the beginning of the derived probe. 2006-11-28 David Smith * tapsets.cxx (dwarf_var_expanding_copy_visitor::visit_target_symbol): Improved handling target variables in return probes by having a per-thread counter. 2006-11-26 Frank Ch. Eigler PRs 2685, 3596, toward 2725. * tapsets.cxx (common_probe_entryfn_prologue): Skip probe on insufficient stack. (build_blacklist): Add a slew of lock-related calls. (query_module): Check for debuginfo architecture match. * translate.cxx (translate_pass): Add default MINSTACKSPACE. * configure.ac: Link stap with -lebl too. * configure: Regenerated. * stap.1.in: Document MINSTACKSPACE parameter. 2006-11-21 Frank Ch. Eigler * translate.cxx (emit_module_init): Adapt to 2.6.19 utsname(). 2006-11-21 Frank Ch. Eigler PR 3556. * translate.cxx (emit_module_init): Emit code to check system_utsname against translate-time version/machine strings. 2006-11-20 David Smith * tapsets.cxx (dwarf_var_expanding_copy_visitor::visit_target_symbol): BZ 1382. Target variables can be accessed in return probes. A new function entry probe is generated that saves the target variables so that they can be accesssed in the return probe. 2006-11-19 Frank Ch. Eigler * main.cxx (main): Signal parse error if a tapset script is given as the user script. 2006-11-15 Frank Ch. Eigler * tapsets.cxx (d_v_e_c_v::visit_target_symbol): Restore lost exception-saving functionality that improves error messages for incorrect $target expressions. (translate_components): Systematize error messages somewhat. * translate.cxx (emit_function, emit_probe): Clarify "array locals" error message. 2006-11-10 David Smith * tapsets.cxx (dwarf_var_expanding_copy_visitor::visit_target_symbol): Minor improvement to error handling by throwing exceptions before allocations are done. 2006-11-10 Frank Ch. Eigler * stap.1.in: On urging of Adam Jackson, add blurbs on array syntax and default limits. 2006-11-09 Martin Hunt * Makefile.am (staprun_LDADD): Need PROCFLAGS here too. 2006-11-09 Martin Hunt * Makefile.am (staprun_CFLAGS): New. Use PROCFLAGS. * configure.ac: Add PROCFLAGS. Processor-dependent compilation flags. * configure: Rebuilt. * Makefile.in: Rebuilt. 2006-11-09 David Smith * tapsets.cxx (dwarf_query::dwarf_query): Looks for "maxactive" return probe variant. (dwarf_derived_probe::dwarf_derived_probe): Initializes has_maxactive and maxactive_val member variables. (dwarf_derived_probe::register_function_variants): Matches "maxactive" return probe variant. (dwarf_derived_probe_group::emit_module_decls): Emits code to use maxactive data. (dwarf_derived_probe_group::emit_module_init): Ditto. 2006-11-08 David Smith * cache.cxx (get_from_cache): To preserve semantics with non-cached use, if the last pass is 3, display the cached C source. 2006-11-08 Frank Ch. Eigler * staptree.cxx (print_format::components_to_string): Quote ". (c_unparser::visit_print_format): Don't use lex_cast_qstring as it overdoes \ quoting. Resemble ::visit_literal_string instead. 2006-11-08 Frank Ch. Eigler * util.h (lex_cast_qstring): Move def'n here. Also quote \. (stringify, lex_cast, lex_cast_hex): Move defn here. * buildrun.cxx, elaborate.cxx, main.cxx, staptree.cxx: Adapt. 2006-11-07 Frank Ch. Eigler * tapsets.cxx (profile_derived_probe_group::emit_module_decls): Pass along incoming pt_regs to context of timer.profile handlers. 2006-11-06 Martin Hunt * translate.cxx (var::init): Check for errors when allocating arrays of stats, as well as other arrays. 2006-11-06 David Smith Added "limit EXP" support to foreach statements. * translate.cxx (c_tmpcounter::visit_foreach_loop): Handles "limit" member variable. (c_unparser::visit_foreach_loop): Ditto. * staptree.cxx (foreach_loop::print): Prints "limit EXP" addition. (traversing_visitor::visit_foreach_loop): Handles "limit" member variable. (deep_copy_visitor::visit_foreach_loop): Ditto. * staptree.h (struct foreach_loop): Added "limit" member variable. * stap.1.in: Added documentation for the "limit EXP" addition to foreach statement. * parse.cxx (lexer::scan): Added "limit" keyword for foreach statements. (parser::parse_foreach_loop): Parses "limit" keyword for foreach statements. * elaborate.cxx (symresolution_info::visit_foreach_loop): Handles "limit" member variable. (typeresolution_info::visit_foreach_loop): Ditto. 2006-11-03 Frank Ch. Eigler * tapsets.cxx (emit_address): Emit calls to _stp_module_relocate for $target-variable addresses in relocatable sections. 2006-11-02 Martin Hunt * session.h (struct systemtap_session): Add symtab. This controls if a symbol table is generated and compiled into the module. * main.cxx (main): Set session.symtab to false. This could later enabled by a command-line option if necessary. * translate.cxx (emit_symbol_data): Don't write a symbol table if session.symtab is false. * tapsets.cxx (emit_module_decls): Remove stap_module array and module_relocate. (emit_module_init): Use "_stp_module_relocate". * Makefile.am (staprun_SOURCES): Add symbols.c * Makefile.in: Rebuilt. 2006-11-02 David Smith * main.cxx (main): Added '-r' check. If the user changes the kernel release to compile against, make sure pass 5 isn't performed (since the resulting module won't be installable). 2006-11-02 Frank Ch. Eigler * Makefile.am: Install tapset/README too. * Makefile.in: Regenerated. 2006-11-01 Josh Stone * tapsets.cxx (timer_derived_probe_group::emit_interval): New - Fixes randomization for jiffies timers in ms mode. (timer_derived_probe_group::emit_module_decls): Use emit_interval. (timer_derived_probe_group::emit_module_init): Ditto. 2006-11-01 David Smith * translate.cxx (delete_statement_operand_visitor::visit_symbol): Added referent assert. (delete_statement_operand_tmp_visitor::visit_arrayindex): Ditto. (c_tmpcounter::visit_array_in): Ditto. (c_unparser::visit_symbol): Ditto. (c_unparser_assignment::visit_symbol): Ditto. (c_unparser::load_map_indices): Ditto. (c_tmpcounter::visit_arrayindex): Ditto. (c_tmpcounter_assignment::visit_arrayindex): Ditto. (c_tmpcounter::visit_functioncall): Ditto. (c_unparser::visit_functioncall): Ditto. 2006-10-31 Frank Ch. Eigler Probe registration rework. Offline dwarf processing for better cross-instrumentation. * elaborate.h (derived_probe): Remove registration-related code generation API. Add new function sole_location(). (derived_probe_group): Reworked this and associated classes. * session.h (systemntap_session): Create individual per-category derived_probe_groups. * elaborate.cxx (derived_probe_group): Reworked. (alias_derived_probe): Switch to new derived_probe API. (semantic_pass_symbols): Ditto. * translate.cxx (mapvar init): Check for array initialization error. (emit_module_init): Handle such failures, at least in theory. (emit_module_exit): Switch to new derived_probe_group API. Call cpu_relax() during shutdown busywait. (emit_common_header): Elide context variables for elided handler fns. (c_unparser::emit_probe): Implement new, improved duplicate elimination technique for probe handlers. Leave two older ones behind as compile options for education. * tapsets.cxx (*): Reworked all probe registration code, moving it from derived_probes into derived_probe_groups. Shrunk output code. Temporarily disabled probe timing and perfmon/mark probes. (dwflpp): Use offline reporting, so that module matching and relocation is performed at run time. (dwarf_query): Remove flavour logic, now supplanted by other duplicate elimination code. (dwarf_derived_probe): Reworked construction, centralized module/section/offset computations. * tapsets.h (all_session_groups): New little helper. * main.cxx (main): For pass-2 message, print number of embeds too. * systemtap.spec.in: Add a "BuildRequires: dejagnu" for make check. * configure.ac: Bump version to 0.5.11. * configure: Regenerated. 2006-10-23 Li Guanglei * lket.5.in: Rearranged the sections, add more details. 2006-10-30 David Smith * stap.1.in: Added notes about new caching feature. 2006-10-24 David Smith * tapsets.cxx (build_blacklist): Added "atomic_notifier_call_chain" to the blacklist (Bugzilla #3379). 2006-10-23 David Smith * main.cxx (printscript): New function containing code moved from main(). (main): Added code to create cache directory, call function to generate hash, and see if we can use cached source/module. If pass 4 is actually run to produce a new module, we call add_to_cache() to cache the result. * session.h (struct systemtap_session): Added hash/cache session data. * cache.cxx: New file handling adding/getting files from the cache. * cache.h: New header file for cache.cxx. * hash.cxx: New file containing C++ wrapper for routines in mdfour.c and the find_hash function which computes the hash file name for an input script. * hash.h: New header file for hash.cxx. * mdfour.c: New file containing MD4 hash code. * mdfour.h: New header file for mdfour.c. * util.cxx: New file containing several utility functions used by the caching code. * util.h: New header file for util.cxx. * Makefile.am: Added new C/C++ files. * Makefile.in: Regenerated. 2006-10-23 Li Guanglei * configure.ac, Makefile.am: add lket-b2a.1.in * Makefile.in, configure: regenreated * ket-b2a.1.in: new man page for lket-b2a * lket.5.in: document signal trace hooks 2006-10-18 Roland McGrath PR 2727 * configure.ac (elfutils build): Pass --prefix and --exec-prefix options to elfutils configure. (elfutils_abs_srcdir): New substituted variable. * Makefile.am (DISTCHECK_CONFIGURE_FLAGS): New variable. * configure, config.in, Makefile.in: Regenerated. 2006-10-16 Li Guanglei * configure.ac: add the checking for mysql_config, mysqlclient library and header files * runtime/lket/b2a/Makefile.am: set compile flags according to the existance of mysql_config * Makefile.in, configure, testsuite/Makefile.in, runtime/lket/b2a/Makefile.in: regenerated 2006-10-12 Martin Hunt * translate.cxx (emit_common_header): Add a kretprobe_instance pointer to struct context. (emit_symbol_data): Include absolute symbols. * tapsets.cxx (emit_common_header): Initialize the kprobe instance pointer to 0; (emit_probe_entries): Set kretprobe instance pointer if appropriate. 2006-10-11 David Smith * tapsets.cxx (in_kprobes_function): New function that looks up the values of '__kprobes_text_start' and '__kprobes_text_end' in the kernel to be able to automatically exclude functions marked as '__kprobes' (BZ# 2639). (blacklisted_p): Calls in_kprobes_function(). (query_kernel_module): Utility function that finds the kernel module. * session.h (struct systemtap_session): Added kprobes_text variables - kprobes_text_initialized, kprobes_text_start, and kprobes_text_end. * elaborate.cxx (systemtap_session::systemtap_session): kprobes_text variables get initialized. 2006-10-10 Roland McGrath * systemtap.spec.in (elfutils_version): Require 0.124 now. 2006-10-10 Frank Ch. Eigler * configure.ac: Override incomplete mysql checking for now. * configure: Regenerated. 2006-10-10 Li Guanglei * configure.ac: add the checking of mysql client library * Makefile.in, configure: regenerated 2006-09-29 Li Guanglei * man: newly created dir for stapprobes * man/stapprobes.iosched.5, man/stapprobes.netdev.5, man/stapprobes.nfs.5, man/stapprobes.nfsd.5, man/stapprobes.pagefault.5, man/stapprobes.process.5, man/stapprobes.rpc.5, man/stapprobes.scsi.5, man/stapprobes.signal.5, man/stapprobes.tcp.5, man/stapprobes.udp.5: Some of these man pages are from the old stapprobes.5.in. Some are newly created(rpc, nfs, nfsd) * man/.cvsignore: ignore the generated man page files 2006-09-29 Li Guanglei PR 3282 * Makefile.am: add -DPKGLIBDIR='"$(pkglibexecdir)"' to AM_CPPFLAGS 2006-09-28 Josh Stone PR 3278 * tapsets.cxx (hrtimer_derived_probe::emit_probe_entries): Only restart timers when the session is still active and we updated the expire time. 2006-09-27 Josh Stone * session.h (struct systemtap_session): Add kernel_base_release to store the kernel version without the -NNN suffix. * main.cxx (main): Generate and use kernel_base_release. * parse.cxx (eval_pp_conditional): Use kernel_base_release. * tapsets.cxx (profile_derived_probe::profile_derived_probe): Use kernel_base_release. * tapsets.cxx (timer_builder::build): Support a wide variety of timer varients -- jiffies, s/sec, ms/msec, us/usec, ns/nsec, and hz. Use hrtimers automatically on kernels that have it. (timer_builder::register_patterns): Bind all of the new timer varients in one easy place. (register_standard_tapsets): Call timer_builder::register_patterns. (struct hrtimer_builder): Removed since timer_builder is generic. * stapprobes.5.in: Document new timer.* functionality. * tapsets.cxx (hrtimer_derived_probe_group::emit_probes): Add a shared global for the actual hrtimer resolution, _stp_hrtimer_res. (hrtimer_derived_probe_group::emit_module): Init _stp_hrtimer_res. (hrtimer_derived_probe::emit_interval): Limit intervals at a minimum to the hrtimer's actual resolution. (hrtimer_derived_probe::emit_probe_entries): Forward timers based on previous expiration instead of restarting relative. 2006-09-26 David Smith * .cvsignore: Changed 'stpd' reference to 'staprun'. * INTERNALS: Ditto. * buildrun.cxx (run_pass): Ditto. * lket.5.in: Ditto. * stap.1.in: Ditto. * stapruncs.5.in: Ditto. * examples/small_demos/demo_script.txt: Ditto. * examples/small_demos/sys.stp: Ditto. * systemtap.spec.in: Created a new subpackage, "systemtap-runtime", that contains staprun. * Makefile.am: Renamed 'stpd' to 'staprun' and moved it to $(bindir). * Makefile.in: Regenerated from Makefile.am. * configure.ac: Incremented version number. * configure: Regenerated from configure.ac. 2006-09-22 Tom Zanussi * stp_check.in: Add debugfs mounting. 2006-09-22 Li Guanglei From Gui Jian * lket.5.in: document RPC trace hooks 2006-09-20 Josh Stone PR 3233 * stapfuncs.5.in: Document new gettimeofday_ns. 2006-09-19 Tom Zanussi * README: Add CONFIG_DEBUG_FS to config options. 2006-09-18 Josh Stone PR 3219 From Eugeniy Meshcheryakov : * stapprobes.5.in: Correct misuse of '-' -> '\-' in manpage 2006-09-18 Martin Hunt * buildrun.cxx (run_pass): Remove "-m" option to stpd. * translate.cxx (translate_pass): #define STP_RELAYFS_MERGE if appropriate. 2006-09-13 Martin Hunt * buildrun.cxx (run_pass): Remove "-r" option to stpd. 2006-09-13 Will Cohen * tapsets.cxx (perfmon_derived_probe_group::emit_module_init): Do not throw sematic error unless probes actually used. 2006-09-12 Will Cohen PR 909 * configure.ac: Add perfmon support options. * configure: Regenerated. * stapfuncs.5.in: * stapprobes.5.in: Document the perfmon support. * session.h, main.cxx: Track number of perfmon probes. * translate.cxx: Gen STP_PERFMON when perfmon probes. * elaborate.h: * elaborate.cxx (derived_probe_group): Add register_probe() for perfmon probe. * tapsets.cxx (derived_probe::emit_common_header): Gen perfmon data. (perfmon_var_expanding_copy_visitor): New struct. (struct perfmon_derived_probe): (struct perfmon_derived_probe_group): (struct perfmon_builder): New Perfmon probe handling structures. (register_standard_tapsets): Add perfmon tapset binding. (derived_probe_group_container): (~derived_probe_group_container): (derived_probe_group_container::register_probe): (derived_probe_group_container::emit_probes): (derived_probe_group_container::emit_module_init): (derived_probe_group_container::emit_module_init_call): (derived_probe_group_container::emit_module_exit): Add perfmon tapset. * tapset/perfmon.stp: New. * runtime/perf.c: New. * runtime/perf.h: New. * runtime/runtime.h: Include perf.c. * testsuite/buildok/perfmon01.stp: Test to exercise perfmon probes. * testsuite/systemtap.pass1-4/buildok.exp: 2006-09-12 Li Guanglei From Li Xuepeng * lket.5.in: document nfs trace hooks 2006-09-08 David Smith * elaborate.h (struct derived_probe): Replace emit_registrations() function with emit_registrations_start() and emit_registrations_end(). (struct derived_probe_group): Added emit_module_init(). (struct derived_probe_group_container): Added emit_module_init(), emit_module_init_call(), and emit_module_exit(). * elaborate.cxx (struct alias_derived_probe): Updated emit_regitrations calls. * translate.cxx (emit_module_init): Instead of actually emitting per-probe-point registrations/unregistrations, let the session's derived_probe_group_container do it. * tapsets.cxx (emit_probe_timing): New function that handles probe timing code. (be_derived_probe::emit_registrations_start): Renamed from emit_registrations. (be_derived_probe_group::emit_module_init): New function that outputs probes create and destroy functions. (dwarf_derived_probe::emit_registrations): Removed, but most code moved to emit_registrations_start(). (dwarf_derived_probe::emit_registrations_start): Handles details of multiple dwarf probe registrations. (dwarf_derived_probe::emit_registrations_end): Handles cleanup details of multiple dwarf probe registrations. (dwarf_derived_probe_group::emit_module_init): New function that outputs probes create and destroy functions. (timer_derived_probe::emit_registrations_start): Renamed from emit_registrations. Added mutiple probe handling. (timer_derived_probe::emit_registrations_end): Handles cleanup details of multiple probe registrations. (timer_derived_probe_group::emit_module_init): New function that outputs probes create and destroy functions. (profile_derived_probe::emit_registrations_start): Renamed from emit_registrations. Added mutiple probe handling. (profile_derived_probe::emit_registrations_end): Handles cleanup details of multiple probe registrations. (profile_derived_probe_group::emit_module_init): New function that outputs probes create and destroy functions. (mark_derived_probe::emit_registrations_start): Renamed from emit_registrations. Added mutiple probe handling. (mark_derived_probe::emit_registrations_end): Handles cleanup details of multiple probe registrations. (mark_derived_probe_group::emit_module_init): New function that outputs probes create and destroy functions. (hrtimer_derived_probe::emit_registrations_start): Renamed from emit_registrations. Added mutiple probe handling. (hrtimer_derived_probe::emit_registrations_end): Dummy function. (hrtimer_derived_probe_group::emit_module_init): New function that outputs probes create and destroy functions. (derived_probe_group_container::emit_module_init): Added function to call all probe group's emit_module_int functions. (derived_probe_group_container::emit_module_init_call): Added function to handle probe group initialization cleanup. (derived_probe_group_container::emit_module_exit): Added function to handle probe group cleanup. 2006-09-06 Frank Ch. Eigler Add basic support for initialized globals. * parse.cxx (parse_global): Parse initialization clause, implement by rewriting to "probe begin { var = value }". * parse.h: Corresponding changes. * stap.1.in: Document optional initialization. 2006-09-04 Frank Ch. Eigler Improve unresolved target-symbol error messages. * staptree.h (target_symbol): Add new field saved_conversion_error. * elaborate.cxx (typeresolution_info::visit_target_symbol): Throw that if found instead of generic error. * tapsets.cxx (t_v_f_c_v::visit_target_symbol): Set it. 2006-08-30 Li Guanglei * stapprobes.5.in: document signal.* 2006-08-28 David Smith * translate.cxx: Added inclusion of session.h. (translate_pass): Instead of asking each probe to emit itself, we ask the session's probes member variable to emit all the probes. * tapsets.cxx: Added inclusion of session.h. Added a register_probe member function to all derived_probe based classes. Added a derived_probe_group derived class for all probe types: (be_derived_probe_group): New class. (never_derived_probe_group): New class. (dwarf_derived_probe_group): New class. (timer_derived_probe_group): New class. (profile_derived_probe_group): New class. (mark_derived_probe_group): New class. (hrtimer_derived_probe_group): New class (derived_probe_group_container): New class. * elaborate.h: Removed inclusion of session.h since session.h now includes elaborate.h. (derived_probe): Added register_probe member function. (derived_probe_group): Added class definition. This is the base class of all of the derived probe groups - dwarf, timer, etc. (derived_probe_group_container): Added class definition. An instance of this class will be stored in the session and contain all the other probe groups. * elaborate.cxx (derived_probe_group::register_probe): Added derived_probe_group::register_probe stubs. (alias_derived_probe::register_probe): Added register_probe member function. (semantic_pass_symbols): After deriving a probe, the probes now register themselves with the session. * session.h: Includes elaborate.h to get derived_probe_group_container definition. systemtap_session class 'probes' member variable switched from a vector of derived probes to a derived_probe_group_container. * buildrun.cxx: Added inclusion of session.h since it was removed from elaborate.h. * main.cxx: Added inclusion of session.h since it was removed from elaborate.h. * parse.h: Added forward struct declarations. * staptree.h: Removed inclusion of session.h. 2006-08-23 Josh Stone PR 3093 From Eugeniy Meshcheryakov : * main.cxx (main): Use setenv instead of putenv, since gcc 4.2 doesn't like assigning string constants to char*. Also use const char* for result from getenv. * tapsets.cxx (dwflpp::setup): Copy string constant into a local array, to fix gcc 4.2 warning. 2006-08-22 Josh Stone PR 3094 From Eugeniy Meshcheryakov : * stap.1.in: In groff, '-' produces a Unicode hyphen. Use '\-' where a plain-old minus sign is desired, e.g., code examples. * lket.5.in, stapex.5.in, stapfuncs.5.in, stapprobes.5.in: ditto 2006-08-15 Roland McGrath * systemtap.spec.in (elfutils_version): Require 0.123 now. 2006-08-14 David Smith * elaborate.cxx (semantic_pass): Calls semantic_pass_optimize1() and semantic_pass_optimize2(). (visit_functioncall): Removed setting relaxed_p since semantic_pass_opt5 does it. (semantic_pass_opt5): Goes ahead and removes duplicate functions since semantic_pass_opt1() won't be run again. (semantic_pass_optimize1): Renamed from semantic_pass_optimize(). Moved semantic_pass_opt5() to semantic_pass_optimize2(). (semantic_pass_optimize2): New function that contains optimization passes that need to be done after type inference. 2006-08-12 Frank Ch. Eigler * Makefile.am (dist-hook): Make "make dist" dist. * Makefile.in: Regenerated. 2006-08-12 Frank Ch. Eigler * configure.ac, Makefile.am: Descend into testsuite/ directory. Remove local test logic. * configure, Makefile.in: Regenerated. * runtest.sh: Not yet removed. * HACKING: Update for new testsuite layout. 2006-08-10 David Smith * elaborate.cxx (duplicate_function_remover): Added class. (get_functionsig): Added function. (semantic_pass_opt5): New function merges duplicate identical functions into one function. (semantic_pass_optimize): Calls semantic_pass_opt5. * translate.cxx (c_unparser::emit_probe): Changed to merge duplicate probes bodies by making the duplicate probe just call the original probe (BZ# 2421). 2006-08-08 Li Guanglei * stapprobes.5.in: document process.*, tcp.*, udp.* 2006-08-09 Thang Nguyen * testsuite/buildok/iolock_test.stp: Updated for new ioblock.stp 2006-08-09 Josh Stone * examples/small_demos/proc_snoop.stp, testsuite/buildok/process_test.stp: Rename process.signal_* to new signal.* tapset. * stapprobes.5.in, testsuite/buildok/memory.stp: move pagefault to vm.* namespace 2006-08-08 Eugene Teo * tapset/context.stp (probemod): New function. * stapfuncs.5.in: Document it. * testsuite/buildok/probemod.stp: Test it. 2006-08-08 Li Guanglei * stapprobes.5.in: document scsi.*, ioscheduler.*, netdev.* and pagefault. 2006-08-01 Li Guanglei PR 2422 * tapsets.cxx: calling get_module_dwarf(false) to give a warning to those modules without debuginfo and skip them 2006-07-19 Roland McGrath * configure.ac, systemtap.spec.in: Bump version to 0.5.9. * configure: Regenerated. * systemtap.spec.in: Fix syntax in last change. 2006-07-19 David Smith * testsuite/buildok/scsi.stp: Only run the scsi test if the scsi kernel subsystem is running. 2006-07-17 David Smith * stapfuncs.5.in: Removed retval function description, since it has been removed. 2006-07-17 Roland McGrath * configure.ac, systemtap.spec.in: Require elfutils-0.122. * configure: Regenerated. * systemtap.spec.in (Release): Use %{?dist}. 2006-07-17 Li Guanglei * main.cxx: add LKET's tapsets into stap's default tapsets search path 2006-07-13 Frank Ch. Eigler * systemtap.spec.in: Add formerly missing admonitional verb. 2006-07-13 David Smith * parse.cxx (parser::expect_unknown2): New function that looks for 2 possible token types. * parse.cxx (parser::expect_ident_or_keyword): New function that calls parser::expect_unknown2. * parse.cxx (parser::parse_symbol): Calls parser::expect_ident_or_keyword to allow keywords to appear when expanding target symbols (Bugzilla #2913). * parse.h: Added prototypes for parser::expect_unknown2 and parser::expect_ident_or_keyword. * testsuite/parseok/seventeen.stp: New test to check for allowing keywords when expanding target symbols. 2006-06-30 Josh Stone * tapsets.cxx (hrtimer_builder::build): Enable hrtimers on >=2.6.17. * tapsets.cxx (hrtimer_derived_probe::emit_probe_entries): Correct compilation errors, fix return value. 2006-06-30 David Smith * tapsets.cxx (dwflpp::dwfl_assert): Added optional extra_msg parameter to be able to print out extra error message. (dwflpp::setup): Uses new 'extra_msg' parameter to dwfl_assert() to ask user to install kernel-debuginfo when dwfl_linux_kernel_report_kernel() or dwfl_linux_kernel_report_modules() fails (Bugzilla #2669). * buildrun.cxx (compile_pass): Checks to make sure module build directory exists before trying to run make there (Bugzilla #2669). 2006-06-27 Roland McGrath * runtest.sh: Don't use eval, use proper quoting. * tapsets.cxx (dwflpp::emit_address): New instance method. Get relocation details from Dwfl to emit in comment after address constant. (dwflpp::loc2c_emit_address): Just call that. 2006-06-26 Li Guanglei * lket.in.5: update to AIO event hooks 2006-06-23 Thang P Nguyen * testsuite/buildok/tcp_test.stp: updated inet calls * testsuite/buildok/udp_test.stp: test udp tapset 2006-06-22 Thang P Nguyen * testsuite/buildok/tcp_test.stp: test tcp tapset 2006-06-16 Roland McGrath * configure.ac, systemtap.spec.in: Bump version to 0.5.8. * configure: Regenerated. * systemtap.spec.in: Fix bundled_elfutils setting so builds can possibly work. Add comment admonishing losers not to touch it. * aclocal.m4, Makefile.in: Regenerated with automake-1.9.6-2. 2006-06-16 Li Guanglei * lket.in.5: update to reflect the latest changes to LKET 2006-06-15 Roland McGrath * systemtap.spec.in: Require elfutils-0.121. 2006-06-14 Frank Ch. Eigler * README: Add kernel.org blurb based on text from Chuck Ebbert <76306.1226@compuserve.com>. 2006-06-09 Li Guanglei * parse.cxx, staptree.cxx, staptree.h, translate.cxx: delete lket_trace_extra * lket.5.in: delete the description of backtrace in LKET 2006-06-08 Thang P Nguyen * testsuite/buildok/ioblock_test.stp: test ioblock 2006-06-05 David Smith * tapsets.cxx (dwflpp::express_as_string): New function. Extracted from dwflpp::literal_stmt_for_local() so that dwflpp::literal_stmt_for_return() could also call it. (dwflpp::literal_stmt_for_local): Portion extracted to create dwflpp::express_as_string(). (dwflpp::literal_stmt_for_return): New function. Adds support for new symbolic access ("$return") to return value in .return probes. Fixes PR 1132. (target_variable_flavour_calculating_visitor::visit_target_symbol): Calls dwflpp::literal_stmt_for_return() when in a return probe and the variable name is "$return". (dwarf_var_expanding_copy_visitor::visit_target_symbol): Ditto. * stapfuncs.5.in: Noted that the retval() function is deprecated. * stapprobes.5.in: Corrected the name of the return value variable. * tapset/return.stp: Marked the retval() function as deprecated. * testsuite/semko/return01.stp: Added new test. * testsuite/semko/return02.stp: Ditto. 2006-06-05 Frank Ch. Eigler PR 2645 cont'd. * elaborate.cxx (derive_probes): Pass down optional flag from alias reference to expansion. * testsuite/semok/twentytwo.stp: Test passing-down. * stapprobes.5.in: Specify passing-down property of optional flag. 2006-06-02 Frank Ch. Eigler PR 2645 cont'd. * elaborate.cxx (find_and_build): Support optional wildcards too. (derive_probes): Change last argument to indicate optionalness of parent probe point (alias reference). (alias_expansion_builder): Shrink epilogue-mode alias body copying. Pass along alias reference optionality. * elaborate.h: Corresponding changes. * testsuite/semko/thirtyfive.stp, semok/twentytwo.stp: New tests. 2006-06-02 Josh Stone * testsuite/buildok/process_test.stp: add signal_handle test * examples/small_demos/proc_snoop.stp: log signal_handle 2006-06-02 Frank Ch. Eigler PR 2645. * stapprobes.5.in: Document "?" probe point suffix. * parse.cxx (parse_probe_point): Recognize "?" optional suffix. * elaborate.cxx (derive_probes): Observe probe_point->optional. * staptree.h, staptree.cxx: Corresponding changes. * tapsets.cxx (never_derived_probe, never_builder): New classes. (register_standard_tapsets): Support "never" probe point. * testsuite/buildok/six.stp, parseok/five.stp: Modifed tests. * translate.cxx (emit_module_init): Format "-t" (benchmarking) cycle-time reports similarly to "-v" (verbose) times. 2006-06-02 David Smith * .cvsignore: Added more files to ignore. * main.cxx (usage): Added exitcode parameter. (main): Improved a few error messages. Also, when an error is given, stap now always exits with a status of 1. * testsuite/buildok/cmdline01.stp: New test. * testsuite/parseko/cmdline01.stp: Ditto. * testsuite/parseko/cmdline02.stp: Ditto. * testsuite/parseko/cmdline03.stp: Ditto. * testsuite/parseko/cmdline04.stp: Ditto. * testsuite/parseko/cmdline05.stp: Ditto. * testsuite/parseko/cmdline06.stp: Ditto. * testsuite/parseok/cmdline01.stp: Ditto. * testsuite/parseok/cmdline02.stp: Ditto. 2006-06-01 Josh Stone * tapsets.cxx (hrtimer_derived_probe::emit_interval): update API usage of hrtimers in preparation of getting exports from the kernel. (hrtimer_derived_probe::emit_probe_entries): ditto 2006-06-01 Li Guanglei * parse.cxx, staptree.cxx, staptree.h, translate.cxx: add new function lket_trace_extra at script level * lket.5.in: Modified the description of backtrace in LKET 2006-05-29 Li Guanglei * systemtap.spec.in: include lket-b2a in the rpm package 2006-05-27 Li Guanglei * configure.ac: add conditional build of lket-b2a if glib2-devel is not found, just skips and gives a warning * Makefile.am: add conditional build of lket-b2a * Makefile.in, configure: regenerated * runtime/lket/b2a/Makefile: deleted. Should be generated by configure 2006-05-26 Josh Stone * tapsets.cxx (build_blacklist): build the sets of blacklisted functions and function returns. Manually added many __kprobes functions that should not be probed. (dwarf_query::dwarf_query): Call build_blacklist. (dwarf_query::blacklisted_p): Use blacklist sets. 2006-05-25 Josh Stone * parse.cxx (parser::scan_pp): Free memory for tokens that are thrown away in the preprocessing stage. * tapsets.cxx (dwarf_var_expanding_copy_visitor::visit_target_symbol): Free allocated memory when supressing target-variable errors 2006-05-25 David Smith * testsuite/semok/twentyone.stp: New file. 2006-05-24 Frank Ch. Eigler Pass 4 speedup. * tapsets.cxx (derived_probe::emit_common_header): New function, to emit code formerly inlined by emit_probe_prologue/epilogue. * translate.cxx (emit_common_header): Call it. * elaborate.h: Corresponding changes. 2006-05-24 David Smith * elaborate.cxx (isglob): New function. (match_key::globmatch): New function. (match_node::find_and_build): Uses isglob() and match_key::globmatch() to provide support for wildcards such as "kernel.syscall.*read*" (Bugzilla #1928). * elaborate.h (match_key::globmatch): Added function declaration. * parse.cxx (parser::parse_probe_point): Collects one or more tokens into a single probe-point functor string. * testsuite/parseko/twentytwo.stp: New file. * testsuite/parseok/sixteen.stp: New file. 2006-05-24 David Smith * testsuite/parseko/cmdlinearg01.stp: New file. * testsuite/parseko/cmdlinearg02.stp: New file. * testsuite/parseko/eighteen.stp: New file. * testsuite/parseko/foreachstmt01.stp: New file. * testsuite/parseko/foreachstmt02.stp: New file. * testsuite/parseko/foreachstmt03.stp: New file. * testsuite/parseko/foreachstmt04.stp: New file. * testsuite/parseko/foreachstmt05.stp: New file. * testsuite/parseko/forstmt01.stp: New file. * testsuite/parseko/forstmt02.stp: New file. * testsuite/parseko/forstmt03.stp: New file. * testsuite/parseko/forstmt04.stp: New file. * testsuite/parseko/functiondecl01.stp: New file. * testsuite/parseko/functiondecl02.stp: New file. * testsuite/parseko/functiondecl03.stp: New file. * testsuite/parseko/functiondecl04.stp: New file. * testsuite/parseko/functiondecl05.stp: New file. * testsuite/parseko/functiondecl06.stp: New file. * testsuite/parseko/functiondecl07.stp: New file. * testsuite/parseko/ifstmt01.stp: New file. * testsuite/parseko/ifstmt02.stp: New file. * testsuite/parseko/nineteen.stp: New file. * testsuite/parseko/preprocess01.stp: New file. * testsuite/parseko/preprocess02.stp: New file. * testsuite/parseko/preprocess03.stp: New file. * testsuite/parseko/preprocess04.stp: New file. * testsuite/parseko/preprocess05.stp: New file. * testsuite/parseko/preprocess06.stp: New file. * testsuite/parseko/preprocess07.stp: New file. * testsuite/parseko/preprocess08.stp: New file. * testsuite/parseko/preprocess09.stp: New file. * testsuite/parseko/probepoint01.stp: New file. * testsuite/parseko/probepoint02.stp: New file. * testsuite/parseko/probepoint03.stp: New file. * testsuite/parseko/seventeen.stp: New file. * testsuite/parseko/ternarystmt01.stp: New file. * testsuite/parseko/twenty.stp: New file. * testsuite/parseko/twentyone.stp: New file. * testsuite/parseko/whilestmt01.stp: New file. * testsuite/parseko/whilestmt02.stp: New file. 2006-05-24 Li Guanglei * configure.ac: add lket.5 & runtime/lket/b2a * Makefile.am: add lket & runtime/lket/b2a * aclocal.m4, Makefile.in, configure: regenerated * runtime/lket/b2a/*: a binary to ascii converter used to convert LKET's default binary trace data. * lket.5.in: add intro of lket-b2a converter. 2006-05-23 David Smith * parse.cxx (parse_for_loop): Corrected error message. 2006-05-22 David Smith * elaborate.cxx (find_and_build): Fixed issue #2643. Wildcard code was being too optimistic. 2006-05-22 Li Guanglei * lket.in.5: draft version of manpage for LKET * Makefile.in, configure, stap.1.in: add lket.in.5 2006-05-18 Frank Ch. Eigler Organize "-t" output by script/parse level probes rather than derived-probes. * elaborate.cxx (derived_probe ctor): Remove name field setting. (alias_derived_probe): New class. (alias_expandion_builder::build): Create an instance of the above instead of parse-tree-level plain probe. * elaborate.h: Corresponding changes. (derived_probe::basest): Define. * staptree.cxx (probe ctor): Set new name field. * staptree.h (probe): Corresponding changes. (probe::basest): New field. * tapsets.cxx (emit_probe_prologue, emit_probe_entries): Switch to basest() probe name for Stat instance. (dwarf_derived_probe ctor): Stash away base probe. * translate.cxx (unparser::emit_probe): Remove index operand, just use probe name to generate symbols. (emit_module_init): Reorganize -t output in unregister functions. (translate_pass): Remove unparser::current_probenum field and all uses. * translate.h: Corresponding changes. 2006-05-18 Li Guanglei * tapset/LKET/*: tracing tapsets of LKET * tapset/context.stp: add stp_pid() func * tapset/ppc64/syscalls.stp: add conditional preprocessing since sys64_time is removed from kernel >= 2.6.16 2006-05-18 Li Guanglei * tapset/tskschedule.stp: deleted, merge into scheduler.stp * tapset/scheduler.stp: incorporate tskschedule.stp * testsuite/buildok/tskschedule.stp: deleted, merge into sched_test.stp * testsuite/buildok/sched_test.stp: incorporate tskschedule.stp 2006-05-17 Josh Stone * testsuite/buildok/sched_test.stp: test scheduler tapset * examples/small_demos/sched_snoop.stp: demo scheduler tapset 2006-05-18 Li Guanglei * testsuite/buildok/ioscheduler.stp: testcase for ioscheduler.stp * testsuite/buildok/memory.stp: testcase for memory.stp * testsuite/buildok/networking.stp: testcase for networking.stp * testsuite/buildok/scsi.stp: testcase for scsi.stp * testsuite/buildok/tskschedule.stp: testcase for tskschedule.stp 2006-05-18 Li Guanglei * tapset/ioscheduler.stp: generic IO scheduler tapsets from LKET * tapset/memory.stp: generic pagefault tapsets from LKET * tapset/networking.stp: generic networking tapsets from LKET * tapset/scsi.stp: generic scsi tapsets from LKET * tapset/tskschedule.stp: generic task scheduler tapsets from LKET * tapset/process.stp: changes to process.exec alias 2006-05-16 David Smith * parse.cxx (parser::parser): Added initializer for 'context' member variable. (tt2str): Added support for new tok_keyword type. (operator <<): Ignores keyword content when outputting error message. (lexer::scan): Recognizes keywords, such as 'probe', 'global', 'function', etc. and classifies them as type 'tok_keyword'. This causes keywords to become reserved so they cannot be used for function names, variable names, etc. (parser::parse): Changed tok_identifier to tok_keyword when looking for "probe", "global", or "function". Also sets context member variable which remembers if we're in probe, global, function, or embedded context. (parser::parse_probe, parser::parse_statement) (parser::parse_global, parser::parse_functiondecl) (parser::parse_if_statement, parser::parse_delete_statement) (parser::parse_break_statement, parser::parse_continue_statement) (parser::parse_for_loop, parser::parse_while_loop) (parser::parse_foreach_loop, parser::parse_array_in): Looks for tok_keyword instead of tok_identifier. (parser::parse_probe_point): Allows keywords as part of a probe name, since "return" and "function" are keywords. (parser::parse_return_statement): Looks for tok_keyword instead of tok_identifier. Make sure we're in function context. (parser::parse_next_statement): Looks for tok_keyword instead of tok_identifier. Make sure we're in probe context. * parse.h: Added parse_context enum. Added 'tok_keyword' to token_type enum. Added parse_context 'context' member variable to parser class. * stap.1.in: Because the string() function has been removed, the 'string()' function reference has been changed to a 'sprint()' function reference. * stapex.5.in: Ditto. * stapfuncs.5.in: The description of the string() and hexstring() functions has been removed. * testsuite/buildok/context_test.stp: Calls to the string() function were converted to sprint() function calls. * testsuite/buildok/fifteen.stp: Ditto. * testsuite/buildok/nineteen.stp: Ditto. * testsuite/buildok/process_test.stp: Ditto. * testsuite/buildok/task_test.stp: Ditto. * testsuite/buildok/timestamp.stp: Ditto. * testsuite/buildok/twentyone.stp: Ditto. * testsuite/semok/args.stp: Ditto. * testsuite/semok/seven.stp: Ditto. * testsuite/buildok/fourteen.stp: Calls to log()/string() were converted to a call to printf(). * testsuite/buildok/sixteen.stp: Ditto. * testsuite/buildok/thirteen.stp: Ditto. * testsuite/buildok/twentythree.stp: Ditto. * testsuite/buildok/twentytwo.stp: Ditto. * testsuite/buildok/seven.stp: Calls to the string() function were converted to sprint() calls. Calls to the hexstring() function were converted to sprintf() calls. * testsuite/semok/eleven.stp: Ditto. * testsuite/buildok/seventeen.stp: Calls to log()/hexstring() were converted to a call to printf(). * testsuite/semko/nineteen.stp: Ditto. * testsuite/parseok/three.stp: Because keywords are reserved, a variable named 'string' was renamed to 'str'. * testsuite/parseok/two.stp: Because keywords are reserved, a variable named 'global' was renamed to 'gbl'. * testsuite/transko/two.stp: Because the parser now checks for 'next' and 'return' statement context, a 'next' statement was removed from a function and a 'return' statement was removed from a probe. 2006-05-15 Frank Ch. Eigler * tapsets.cxx, translator.cxx (*): Designate more emitted functions as static. * translator.cxx (visit_print_format): Correct regression regression from two weeks ago. * stapfuncs.5.in: Tweak wording. Deprecate returnval() in favour of retval(). 2006-05-12 Thang P Nguyen * testsuite/buildok/probefunc.stp: test probefunc() 2006-05-12 Frank Ch. Eigler * stapfuncs.5.in: Clarify backtrace-related functions. 2006-05-11 David Smith * tapset/ctime.stp: New file. 2006-05-09 Josh Stone * examples/small_demos/proc_snoop.stp: monitor all process events. * testsuite/buildok/task_test.stp: test compilation of all task functions. * testsuite/buildok/process_test.stp: test all process events and associated variables. 2006-05-09 Will Cohen PR 2228 * parse.h: * parse.cxx: Add << operator for struct source_loc. * translate.cxx (emit_module_init): Print location of probe in script. 2006-05-09 Li Guanglei PR 2520 * main.cxx: add -M option to stop merge per-cpu files in bulk mode * session.h: add merge member into systemtap_session * buildrun.cxx: generate stpd_cmd to stop merge per-cpu files if -M option is turned on by stap. 2006-05-08 Li Guanglei PR 2627 * elaborate.cxx: epilogue style alias expansion * parse.cxx: parse += alias definition * staptree.h: add epilogue_style member to probe_alias * stap.1.in: add the description of epilogue style alias * testsuite/parseok/fifteen.stp: testcase for epilogue style alias 2006-05-05 Roland McGrath * configure.ac (build_elfutils): Pass CFLAGS to elfutils configure, editting out -Wall. * configure: Regenerated. 2006-05-05 Frank Ch. Eigler PR 2643 * testsuite/buildok/syscalls.stp: Take "-u" away again. * configure.ac, systemtap.spec.in: Bump version to 0.5.7. * configure: Regenerated. 2006-05-05 Frank Ch. Eigler * configure.ac, systemtap.spec.in: Bump version to 0.5.6. * configure: Regenerated. 2006-05-05 Will Cohen * small_demos/fileopen.stp: Shows use of target() to look at pid. * small_demos/rwtiming.stp: Shows per executable histograms of time spent in read and write system calls. 2006-05-05 Eugene Teo PR 2433 * tapsets.cxx (dwarf_query::blacklisted_p): Extend the list of blacklisted .return probes to include "do_exit". Correct funcname typo for "sys_groupexit". * tapset/syscalls.stp: Remove .return probe aliases of never- returning syscall.exit and syscall.exit_group calls. 2006-05-05 David Smith * translate.cxx (mapvar::exists): Added code for string array handling. Otherwise, string array elements always exist. 2006-05-03 Josh Stone PR 2506 * tapsets.cxx (dwarf_query::blacklisted_p): skip probes in .exit.* 2006-05-02 Will Cohen * translate.cxx (emit_module_init): Move closing '}' inside #ifdef. 2006-05-02 Will Cohen PR 2228 * stap.1.in: Document "-t" option. * main.cxx (main): Add "-t" option for collecting timing information. * session.h (systemtap_session): Corresponding changes. * tapsets.cxx (emit_probe_prologue, emit_probe_epilogue, emit_probe_entries): * translate.cxx: (emit_common_header, emit_module_init, translate_pass): Add time collection of timing information. 2006-05-01 Frank Ch. Eigler * translate.cxx (visit_print_format): Fix regression in "printf" pseudo-result initialization. 2006-04-30 Frank Ch. Eigler PR 2610. * translate.cxx (c_unparser::visit_arrayindex, visit_stat_op): Detect empty aggregates consistently. (visit_print_format): Ditto. Also detect errors due to argument evaluation. (translator_output::*): Add a flush before a failing assert, to produce more context when debugging. 2006-04-25 Frank Ch. Eigler * Makefile.am: Removed "rpm" target. * Makefile.in, aclocal.m4: Regenerated. 2006-04-25 Frank Ch. Eigler * elaborate.cxx (typeresolution_info::unresolved,invalid, mismatch): Print current function/probe name in error message. (semantic_pass_types): Pass sufficient information. * elaborate.h: Corresponding changes. 2006-04-25 Frank Ch. Eigler PR 2427. * staptree.cxx (varuse_collecting_visitor::visit_embeddedcode): Support /* pure */ declaration. Stop using __tvar_ naming hack. (v_c_u::visit_print_format): Mark sprint and sprintf as side-effect-free. (deep_copy_visitor::visit_print_format): Propagate raw_components. * stap.1.in: Document declaration. * elaborate.cxx (semantic_pass_opt2): Verbose message tweak. (dead_stmtexpr_remover): Extend for more aggressive optimization. * tapsets.cxx (dwarf,mark_var_expanding_copy_visotor): Add /* pure */ declaration to rvalue expansions. * tapset/*.stp: Added /* pure */ declarations to many functions. * testsuite/parseok/unparsers.stp: Propagate guru mode flag. * testsuite/buildok/twentyfour.stp: New test. 2006-04-24 Frank Ch. Eigler PR 2599. * elaborate.cxx (visit_assignment): Tolerate null current_expr. * testsuite/semok/optimize.stp: Add relevant tests. 2006-04-23 Eugene Teo PR 2149 * translate.cxx (mapvar::set): Test _stp_map_set_xx() for array overflows. 2006-04-23 Eugene Teo * small_demos/ansi_colors.stp: Add an example of using octal escape sequences to display all possible ansi colors. 2006-04-21 Eugene Teo PR 1326 * translate.cxx (c_unparser::visit_binary_expression): Handle negative left and right shift count. 2006-04-21 Frank Ch. Eigler PR 953 * elaborate.h (derived_probe): Add field "name". Stop passing "probe index" to other emit_* calls. (emit_probe_context_vars): New member function. * elaborate.cxx (derived_probe ctor): Generate unique name. * translate.cxx (*): Adapt to index->name. (emit_probe): Realize that probe locals only occur at nesting=0. * tapsets.cxx (*derived_probe::emit_*): Adapt to index->name. (mark_var_expanding_copy_visitor): New class to process $argN. (mark_derived_probe ctor): Call it. (mark_derived_probe::emit_probe_context_vars): Do it. * buildrun.cxx (compile_pass): Add more optional gcc verbosity. Add CFLAGS += -freorder-blocks. * testsuite/buildok/marker.stp: New test. 2006-04-19 Eugene Teo PR 2014 * parse.cxx (lexer::scan): Added \[0-7]* case to preserve octal escape sequences. 2006-04-18 Martin Hunt * Makefile.am (install-data-local): Another try. 2006-04-18 Frank Ch. Eigler PR 2220 * translate.cxx (visit_statement): Tolerate 0 first argument. (visit_for_loop, visit_foreach_loop): Call it thusly for condition expression. (visit_embededcode, visit_block, visit_null_statement): Don't call visit_statement() at all. 2006-04-18 Martin Hunt * Makefile.am (install-data-local): Tweak previous fix. (install-data-local): 2006-04-18 Martin Hunt * Makefile.am (install-data-local): Rewrite. Set ownership and permissions for all files and directories under runtime and tapset. Restrict files to source code. * Makefile.in: Rebuilt. 2006-04-18 Eugene Teo PR 1341 * main.cxx (main): Use TMPDIR instead of hard-coded /tmp. 2006-04-17 Frank Ch. Eigler * tapsets.cxx (mark_derived_probe::emit_{de}registrations): Use cmpxchg to synchronize. 2006-04-12 Tom Zanussi PR 2538 * buildrun.cxx (compile_pass): Remove space between -I and runtime path. 2006-04-12 Martin Hunt PR 2497 * translate.cxx (translate_pass): Don't reset STP_STRING_SIZE if it was already defined. Set it to 1024 by default. 2006-04-10 Martin Hunt * translate.cxx (visit_print_format): Call _stp_snprintf() instead of snprintf(). 2006-04-09 Martin Hunt Add binary printf support. * elaborate.cxx (visit_print_format): Don't include conv_literal or conv_size in components vector. Add conv_binary to switch statement. * translate.cxx (visit_print_format): Eliminate special cast to (long long) for pe_long because new vsnprintf uses int64_t. * staptree.h (struct print_format): Add conv_binary and conv_size. * staptree.cxx (components_to_string): Add conv_binary case. Add conv_size case. (string_to_components): Add cases for 'b' and 'n' 2006-04-08 Frank Ch. Eigler * tapsets.cxx (resolve_prologue_endings): Rewrote. (resolve_prologue_endings2): Removed. * gen-stapmark.h: Emit a 0-arity marker. * stapmark.h: Regenerated for arities 0..6. 2006-04-04 Roland McGrath * configure.ac: Bump version to 0.5.5. Require elfutils-0.120. * configure: Regenerated. * systemtap.spec.in: Likewise. * main.cxx (version): Use dwfl_version. * loc2c.c (array_stride): stride_size -> byte_stride 2006-04-04 Tom Zanussi * stp_check: Change test for relay vs relayfs 2006-03-30 Martin Hunt * tapsets.cxx (dwarf_derived_probe::emit_registrations): Change maxactive so single-processor kernels using kretprobes don't get lots of dropped probes. 2006-03-30 Frank Ch. Eigler PR 953, part 1 * tapsets.cxx: (mark_derived_probe*): New classes. (register_standard_tapsets): Register kernel/module.mark() family. * stapmark.h: New header for static instrumentation markers. * gen-stapmark.h: New perl script to generate it. * elaborate.cxx (derived_probe ctor): Ignore null location*. 2006-03-29 Josh Stone * tapsets.cxx (hrtimer_derived_probe::*): creates a probe point based on the hrtimer APIs. * tapsets.cxx (hrtimer_builder::*): parses the user's time-spec into a 64-bit nanosecond value, and calls the appropriate derived_probe. * tapsets.cxx (register_standard_tapsets): add hrtimer bindings * translate.cxx (translate_pass): add linux/random.h include, used for generating 64-bit random numbers for hrtimers. 2006-03-28 Martin Hunt * testsuite/buildok/syscall.stp: Update so it works again. 2006-03-16 Tom Zanussi * configure.ac: Revert relayfs version check. * configure: Reverted. * translate.cxx (compile_pass): Remove relayfs include path. 2006-03-15 Tom Zanussi * configure.ac: Add check for relayfs version. * configure: Regenerated. * stp_check.in: Remove bundled relayfs loading/compilation, add check for relay (vs relayfs). 2006-03-13 Josh Stone * safety/safety.py: Support IA64 disassembly matching. * safety/data/opcodes-ia64: new opcode rules for IA64. * safety/data/references: Add references used by example scripts when compiled for IA64. 2006-03-13 Frank Ch. Eigler * translate.cxx (emit_globals): Tag globals, especially the locks, as __cacheline_aligned. 2006-03-09 Frank Ch. Eigler * translate.cxx (emit_locks): Emit dummy references to unlock_ ... (emit_module_init): ... and probe_point. 2006-03-06 Frank Ch. Eigler PR 2425 * staptree.cxx (varuse_collecting_visitor::visit_embeddedcode): Realize that $var-setter functions have side-effects. * testsuite/transok/tval-opt.stp: New test. 2006-03-06 Martin Hunt * buildrun.cxx (run_pass): Add "-u username". * stapfuncs.5.in: Document system(). 2006-03-06 Frank Ch. Eigler * stapex.5.in: Use \[aq] for plain single quotes for encoding variation tolerance. 2006-03-03 Josh Stone * main.cxx (main): search forward for dashes in the kernel release, to work properly with release names with more than one dash. Also * parse.cxx (eval_pp_conditional): ditto * tapsets.cxx (profile_derived_probe::profile_derived_probe): ditto * safety/safety.py (StaticSafety::__build_search_suffixes): ditto, and add copyright & GPL tag PR 2390 * main.cxx (main): expand search path so that revision w.x.y.z searches w.x.y.z, w.x.y, and w.x. 2006-03-03 Frank Ch. Eigler * tapset/indent.stp, indent-default.stp: New little tapset. * stapfuncs.5.in: Document it. * testsuite/buildok/indent.stp: Build it. 2006-02-27 Josh Stone * safety/*: Add a static safety checker. 2006-02-25 Frank Ch. Eigler * translate.cxx (var::init): Don't crush string module_params. (emit_global_param): New function, forked out of emit_global, to put module_param calls at the bottom of C file. * translate.h: Corresponding changes. 2006-02-23 Frank Ch. Eigler PR 1304 * parse.cxx (lexer): Take systemtap_session argument. (lexer::scan): Support $1..$NNNN and @1...@NNNN expansion. * stap.1.in: Document this. * testsuite/semok/args.stp: New test. * translate.cxx (var::init, emit_global): Emit code to allow named module parameters to initialize global string/number scalars. * stap.1.in: Don't document this yet. PR 2334 * main.cxx (main): Clarify "-v" option repeatibility. * stap.1.in: Ditto. 2006-02-23 Roland McGrath * Makefile.am (AUTOMAKE_OPTIONS): New variable, set dist-bzip2. * Makefile.in: Regenerated. 2006-02-23 Martin Hunt PR 1989. Adds support for %p in printf * staptree.h (struct print_format): Add conv_unsigned_ptr. * staptree.cxx (components_to_string): Output 'p' for conv_unsigned_ptr. * elaborate.cxx (visit_print_format): Add case for conv_unsigned_ptr. 2006-02-23 Martin Hunt * Makefile.am (install-data-local): Create tapset/i686 and tapset/x86_64 directories. This fixes a problem where they were included, but had bad permissions. * Makefile.in: Rebuilt. 2006-02-22 Frank Ch. Eigler * stapfuncs.5.in: Document get_cycles(). * testsuite/buildok/timestamp.stp: Build it and its friends. 2006-02-22 Frank Ch. Eigler PR 2293. * tapsets.cxx (emit_probe_epilogue): Emit early local_irq_save(). (emit_probe_epilogue): ... and matching _restore(). * main.cxx (main): Emit a "hello, I'm starting" message before pass 5 in verbose mode. 2006-02-17 Frank Ch. Eigler * stapfuncs.5.in (cpu): Document contextinfo function. 2006-02-15 Frank Ch. Eigler * translate.cxx (varlock*): Removed now unnecessary class. (aggregation_locks): Renamed field to aggregations_active. 2006-02-14 Frank Ch. Eigler * stapfuncs.5.in: Document new queue_stats tapset. * elaborate.cxx (*): Put "while:" clarification messages before a thrown semantic error. * staptree.cxx (print_format::string_to_components): Correct parse of "%%" formatting element. 2006-02-07 Frank Ch. Eigler * src/testsuite/buildok/syscalls.stp: Build with "-u" to build-test all auxiliary functions. * tapsets.cxx (dwarf_query::add_probe_point): Add some "-vv" output. 2006-02-07 Josh Stone PR 2068 * tapsets.cxx (dwarf_query::blacklisted_p): add __switch_to to the blacklist for x86_64 architecture only. 2006-02-06 Will Cohen * tapset/syscall2.stp: Correct opening comment typo. 2006-02-06 Will Cohen * tapset/syscall2.stp: Correct closing comment typos. 2006-02-01 Frank Ch. Eigler * testsuite/semko/one.stp: Make sure test case stays broken. 2006-02-01 Martin Hunt * stapfuncs.5.in: Document is_return(), returnval() and probefunc(). * testsuite/buildok/syscall.stp: Basic syscall test. 2006-02-01 Frank Ch. Eigler * configure.ac, systemtap.spec.in: Version 0.5.4. * configure: Regenerated. 2006-01-31 Josh Stone PR 2252 * translate.cxx (translate_pass): Fix legacy definition of read_trylock. 2006-01-30 Frank Ch. Eigler * main.cxx (main): Also print elapsed real time for each pass. 2006-01-27 Frank Ch. Eigler * main.cxx: Make "-v" (verbose) flag a counter. * stap.1.in: Document this. * session.h: Corresponding changes. * {elaborate,buildrun,tapsets,translate}.cxx: Update all uses of verbose flag to compare it to sensible level for value of message. 2006-01-27 Frank Ch. Eigler * main.cxx (main): In verbose mode, print user+sys times after each pass. * buildrun.cxx (compile_pass): Move success message back to main(). 2006-01-26 Frank Ch. Eigler PR 2060: lock elevation, mop-up * staptree.cxx (functioncall_traversing_visitor): Store a current_function pointer during traversal. (visit_embeddedcode): Use it to handle $target-synthesized functions. (varuse_collecting_visitor::visit_assignment): Correct l-lr typo. (visit_foreach_loop): Note added write on sorted foreach. (visit_delete_statement): Note as read+write. * staptree.h: Corresponding changes. * elaborate.cxx (dead_assignment_remover::visit_expr_statement): Correct stmt token after possible expression rewriting. * tapsets.cxx (visit_target_symbol): Create naming convention to recognize $target-synthesized functions. * translate.cxx (emit_locks, emit_unlocks): New functions to emit lock/unlock sequences at the outermost level of a probe. (emit_probe): Call them. (varlock_*): #if-0 out the lock code generation. Later, these classes should be removed. (translate_pass): Emit read_trylock() kludge macro for old kernels. 2006-01-25 Frank Ch. Eigler PR 2205, patch from : * parse.cxx (scan): Correct EOF detection for %{ %} case. 2006-01-24 Frank Ch. Eigler PR 2060 etc. * tapsets.cxx (visit_target_symbol): Tolerate failed resolution by letting target_symbol instance pass through to optimizer and type checker. * elaborate.cxx (semantic_pass_optimize): New family of functions and associated visitor classes. (visit_for_loop): Tolerate absent init/incr clauses. (semantic_pass): Invoke unless unoptimized (-u) option given. * main.cxx, session.h: Add support for flag. * staptree.cxx (visit_for_loop): Tolerate absent init/incr clauses. (traversing_visitor::visit_arrayindex): Visit the index expressions. (functioncall_traversing_visitor): New class. (varuse_tracking_visitor): New class. * staptree.h: Corresponding changes. * parse.cxx (parse_for_loop): Represent absent init/incr expressions with null statement pointer instead of optimized-out dummy numbers. * stap.1.in: Document optimization. * testsuite/{semko,transko}/*.stp: Added "-u" or other code to many tests to check bad code without optimizer elision. * testsuite/semok/optimize.stp: New test. * elaborate.cxx (unresolved, invalid, mismatch): Standardize error message wording. * stapfuncs.5.in: Tweak print/printf docs. * tapset/logging.stp: Remove redundant "print" auxiliary function, since it's a translator built-in. * testsuite/transok/five.stp: Extend test. * translate.cxx (emit_symbol_data): Put symbol table into a separate temporary header file, to make "-p3" output easier on the eyes. * buildrun.cxx (compile_pass): Eliminate test-mode support throughout. * main.cxx, session.h, translate.cxx: Ditto. * main.cxx (main): For last-pass=2 runs, print post-optimization ASTs. 2006-01-18 Josh Stone * tapsets.cxx (profile_derived_probe::emit_probe_entries): Setup c->regs properly in light of the emit_probe_prologue change. 2006-01-18 Josh Stone * translate.cxx (c_unparser::visit_foreach_loop): improved the error message when _stp_pmap_agg fails. 2006-01-18 Frank Ch. Eigler * translate.cxx (c_unparser_assignment::visit_arrayindex): Eliminate dummy assignments for "<<<" code. 2006-01-17 Josh Stone PR 2156 * testsuite/buildok/pmap_foreach.stp: Add test with sorting 2006-01-17 Josh Stone PR 2156 * translate.cxx (c_unparser::visit_foreach_loop): Check the return value of _stp_pmap_agg() for NULL. 2006-01-17 Frank Ch. Eigler * systemtap.spec.in: Remove explicit kernel-devel dependency, since some old kernel rpm builds don't virtual-provide it for e.g. smp, hugemem. 2006-01-17 Frank Ch. Eigler PR 2142 * translate.cxx (EXTRACTORS_PERMISSIVE): New experimental policy parameter. (c_unparser::visit_arrayindex, visit_print_format, visit_stat_op): Tolerate absent index (= NULL runtime return) in pmap. (*): Make semantic_error messages consistently lower case. * testsuite/buildok/iterate_histogram_buckets.stp: Note some missing functionality. 2006-01-17 Josh Stone * stap.1.in: Document the 'delete' operator. 2006-01-16 Roland McGrath * systemtap.spec.in (elfutils_version): Require 0.119 now. * configure.ac, systemtap.spec.in: Version 0.5.3. * configure: Regenerated. 2006-01-16 Josh Stone PR 2140 * translate.cxx (mapvar::del): Add ability to delete an indexed stat from (p)maps. (delete_statement_operand_visitor::visit_symbol): Add ability to delete entire pmaps and scalars. (delete_statement_operand_tmp_visitor): Add a special tmpvar visitor to parallel delete_statement_operand_visitor. (c_tmpcounter::visit_delete_statement): Invoke the new visitor. * testsuite/buildok/delete.stp: Also test scalar deletes. * vim/syntax/stap.vim: Recognize 'delete' operator. 2006-01-15 Frank Ch. Eigler PR 2148 * translate.cxx (MAXERRORS): Actually the max should be 0, so first error aborts session. 2006-01-13 Frank Ch. Eigler * main.cxx (main): Suppress "Try again with -v" message if already verbose. 2006-01-13 Frank Ch. Eigler * translate.cxx (c_unparser:getmap): Correct exception throwing typo. 2006-01-12 Josh Stone PR 2056 * translate.cxx (c_unparser::aggregation_locks): Keeps track of foreach's locks on pmaps to avoid extra aggregation. (c_unparser::visit_foreach_loop): Set aggregation_locks appropriately. (c_unparser::load_aggregate, mapvar::call_prefix, mapvar::get): Use a new parameter to indicate that we should read from the already-aggregated map rather than the full pmap.. (c_unparser::visit_arrayindex c_unparser::visit_print_format, c_unparser::visit_stat_op): Use aggregation_locks to avoid taking a lock and aggregating the pmap. (c_unparser::emit_map_type_instantiations): To read from a pmap's aggregated map, we need to include map-gen.c for the _stp_map_* functions. (c_unparser::obtained_locks, varlock::varlock, varlock::~varlock): Add simple static checking to detect incompatible nested locks during translation, and flag it as an error. 2006-01-11 Josh Stone PR 2140 * testsuite/buildok/delete.stp: Test correct compilation of the 'delete' operator for all "legal" variations. 2006-01-11 Frank Ch. Eigler * translate.cxx (MAXERRORS): Oops, set back to intended default of 1. 2006-01-10 Frank Ch. Eigler PR 1972. * tapsets.cxx (var_expanding_copy_visitor::visit_target_symbol): Produce error message for $var access within .return probes. * testsuite/semko/thirtyfour.stp: New test. 2006-01-10 Frank Ch. Eigler PR 2060. * buildrun.cxx (compile_pass): Add "V=1" to kbuild if verbose. * translate.cxx (translator_output): For output-file constructor, set an explicit output buffer. (emit_module_init, emit_module_exit): Reorganize output, to spit each individual probe registration/deregistration blurb into a separate function. * translate.h: Corresponding changes; set default buffer size to 8K. * translate.cxx, tapsets.cxx: Replace "endl" by buffer-friendly "\n" throughout code generation routines. 2006-01-09 Frank Ch. Eigler * HACKING: Extend guidelines for tapset testing. 2006-01-06 Will Cohen * Makefile.am (gcov,lcov): Don't remove .gcno .gcda files. * Makefile.am (gcov): Fix to report data when tests fail. * Makefile.am (lcov): New rule to generate html coverage data. * Makefile.in: Regenerated. 2006-01-05 Josh Stone PR 2056 * translate.cxx (var::~var, var::hist, var::buckets): make these methods virtual, so we can use polymorphism. (mapvar::hist, mapvar::buckets): Override the corresponding var methods to handle pmaps correctly. (c_unparser::visit_arrayindex, c_unparser::visit_print_format): Make use of the new polymorphic behavior of var & mapvar when dealing with histogram data. * testsuite/buildok/pmap_foreach.stp: Add tests to check histogram accesses with for/foreach. 2006-01-04 Frank Ch. Eigler PR 2057. * translate.cxx (c_unparser_assignment::visit_arrayindex): Don't take write lock around pmap accumulation. 2006-01-04 Will Cohen * testsuite/buildok/printf.stp: Improve test coverage. 2006-01-03 Frank Ch. Eigler * tapsets.cxx (emit_deregistration): Fix bad thinko on loop nesting. 2006-01-03 Frank Ch. Eigler PR 1144, 1379 * tapsets.cxx (emit_probe_prologue, _epilogue): New routines. Call from existing derived_probe spots. Implement soft errors in epilogue code. Implement reentrancy detection in prologue code. (dwarf_derived_probe::emit_deregistration): Add kprobes layer "nmissed" to skipped_count. * translate.cxx (varlock): Use nsleep(TRYLOCKDELAY) in lock contention loop. (emit_module_exit): Report number of soft errors and skipped probes. (emit_function, _probe): Add __restrict__ marker to context pointer. (translate_pass): Define new MAXTRYLOCK, TRYLOCKDELAY, MAXERRORS, MAXSKIPPED parameters. * tapset/logging.stp (error): Don't stp_error, just set context state. * stap.1.in, stapfuncs.5.in: Document soft errors. * elaborate.h: Corresponding changes. 2005-12-23 Kevin Stafford * tapset/2.6.9-20.ELsmp/syscalls.stp: added kernel version tapset * tapset/2.6.9-20.ELsmp/i686/syscalls.stp: added kernel version arch specific tapset * tapset/doc/discrepancies.txt: log of kernel version discrepancies. 2005-12-22 Roland McGrath * configure.ac: Pass LDFLAGS to elfutils configure to force DT_RUNPATH. * configure: Regeneraed. 2005-12-21 Josh Stone PR 2056 * translate.cxx (itervar::next): emit different code for pmaps 2005-12-21 Frank Ch. Eigler * loc2c.h: Add __attribute__ defeating code for g++ 3.3 compatibility. 2005-12-20 Josh Stone * vim/filetype.vim: defines *.stp files as SystemTap scripts * vim/ftplugin/stap.vim: sets the comment styles * vim/indent/stap.vim: enables simple auto-indenting * vim/syntax/stap.vim: defines syntax highlighting 2005-12-19 Roland McGrath * configure.ac, systemtap.spec.in: Version 0.5.2. * configure: Regenerated. 2005-12-17 Roland McGrath * staptree.h: #include here. 2005-12-14 Kevin Stafford * tapset/2.6.14/syscalls.stp: Added 2.6.14 syscalls to tapset. * 2.tapset/6.14/i686/syscalls.stp: Added i386 arch specific syscalls to tapset for kernel 2.6.14. * tapset/2.6.9-24.ELsmp/syscalls.stp: Added 2.6.9-24.ELsmp syscalls. * tapset/2.6.9-24.ELsmp/x86_64/syscalls.stp: Added x86_64 arch specific syscalls to tapset for kernel 2.6.9-24.ELsmp. * tapset/system_calls.stp: File removed. 2005-12-14 Martin Hunt * tapset/system_calls.stp (epoll.ctl): Temporarily remove references to $op and $event because gcc 4.0.2 can't find them. (epoll.wait): Ditto for $maxevents. 2005-12-13 Frank Ch. Eigler * tapsets.cxx (var_expanding_copy_visitor::visit_target): Transcribe token pointer to synthesized functiondecl. 2005-12-12 Josh Stone * tapset/context.stp (execname,pid,tid,ppid,pexecname,gid,egid,uid,euid): Removed in_interrupt checks and other pointer checks. We now operate on the assumption that "current" and its related data are always valid. * tapsets.cxx (profile_derived_probe::*,profile_builder::build): Do kernel version checks at translation time, using the same internal mechanisms as the preprocessor - a la %( kernel_v < "2.6.10" %? ... %: ... %) 2005-12-12 Kevin Stafford * main.cxx (main): Added arch directory to the existing kernel-version-sensitive search path. 2005-12-12 Frank Ch. Eigler * translate.cxx (translate_pass): Emit #include . 2005-12-12 Will Cohen * tapset/logging.stp (function_exit): Make sure systemtap probes stop collection additional data. 2005-12-12 Frank Ch. Eigler Fix parse tree pretty-printer. * staptree.h (print_format): Add raw_components field. * parse.cxx (parse_symbol): Set it. * staptree.cxx (lex_cast_qstring): Copy it here too. (binary_expression::print): Add a space around operator, due to lexical ambiguity (expr % paren-expr) vs %( preprocessor op. (array_in:: foreach_loop:: arrayindex::print): Print base as indexable. (print_format::string_to_components): Use parse_error, not semantic. (print_format::print): Properly quote formatting string. Print histogram argument. * translate.cxx (visit_print_format): Properly quote formatting string. (varlock): Reword lock timeout error message. * testsuite/buildok/printf.stp: Add some quoting troublemakers. * testsuite/parseok/unparser.stp: New file. 2005-12-11 Roland McGrath * configure.ac: Bump version to 0.5.1 for test builds. * systemtap.spec.in: Remove ExclusiveArch. * configure: Regenerated. PR 1916 * configure.ac: Grok --with-elfutils. * Makefile.am [BUILD_ELFUTILS] (install-elfutils, stamp-elfutils): New targets. [BUILD_ELFUTILS] (stap_LDFLAGS, stap_LDFLAGS): Add flags to point at local elfutils build. [BUILD_ELFUTILS] (BUILT_SOURCES): Add stamp-elfutils. [BUILD_ELFUTILS] (stap_DEPENDENCIES): New variable. [BUILD_ELFUTILS] (lib-elfutils/libdw.so): New target. [BUILD_ELFUTILS] (install-exec-local): Depend on install-elfutils. (loc2c_test_LDADD): Set this to $(stap_LDADD). (loc2c_test_CPPFLAGS, loc2c_test_LDFLAGS): New variables. * Makefile.in: Regenerated. * compile: New file from automakeland. * systemtap.spec.in (elfutils_version): Require 0.118 or later. [bundled_elfutils]: Remove old hacks for building elfutils, and rely on configure --with-elfutils instead. * Makefile.am (pkglibexecdir): New variable. (AM_CPPFLAGS): Use it. (pkglibexec_PROGRAMS): Set this instead of noinst_PROGRAMS with stpd. (pkglibexec_SCRIPTS, CLEANFILES): New variables. (install-exec-local): Target removed. * runtest.sh: Set LD_LIBRARY_PATH when lib-elfutils is in use. * loc2c-test.c (get_location): Fix function name in error message. 2005-12-09 Graydon Hoare * elaborate.cxx (alias_expansion_builder::build): Fix comment typo. * tapsets.cxx (symbol_cache): New class. (dwflpp::cache): Add cache. (dwflpp::pattern_limited_cus): New member. (dwflpp::pattern_limited_funcs): New member. (dwflpp::limit_search_to_function_pattern): New method. (dwflpp::iterate_over_cus): Modify to use cached, limited sets. (dwflpp::iterate_over_functions): Likewise. (dwarf_builder::user_dw): New member. (dwarf_builder::kern_dw): New member. (dwarf_builder::~dwarf_builder): Add dtor. (query_module): Call dwflpp::limit_search_to_function_pattern. (dwarf_builder::build): Initialize persistent dwflpp members on demand. 2005-12-08 Graydon Hoare * translate.cxx (delete_statement_operand_visitor::visit_arrayindex): Prohibit deleting histogram buckets. (c_tmpcounter::visit_array_in): Direct to visit_arrayindex. (c_unparser::visit_array_in): Likewise. * testsuite/buildok/histogram_operator_in.stp: New test. 2005-12-08 Frank Ch. Eigler PR 1937 * buildrun.cxx (run_pass): Pass new "-d PID" option to stpd. Set SIGHUP to SIG_IGN too. 2005-12-07 Graydon Hoare * staptree.cxx (traversing_visitor::visit_foreach_loop): Visit the base indexable of the foreach loop. * translate.cxx (c_tmpcounter::visit_foreach_loop): Implement histogram bucket iteration arm. (c_unparser::visit_foreach_loop): Likewise. (c_tmpcounter::visit_arrayindex): Fix typo. * testsuite/buildok/iterate_histogram_buckets.stp: New test. 2005-12-07 Martin Hunt * translate.cxx (mapvar::fini): Use _stp_pmap_del() on pmaps. (emit_global): For pmaps, use "PMAP" instead of "MAP". 2005-12-06 Frank Ch. Eigler PR 1934. * tapsets.cxx (resolve_prologue_endings2): Add new heuristic for tail-call optimized functions. (query_func_info): Make somewhat less verbose. 2005-12-06 Graydon Hoare * translate.cxx (visit_print_format): Explicitly Cast int64_t (pe_long) args to (long long) in generated code, for portability. 2005-12-05 Frank Ch. Eigler * *.cxx: Add #include as needed. 2005-12-02 Graydon Hoare * elaborate.cxx (mutated_var_collector): Forward traversal portion of calls to base class. (mutated_var_collector::visit_arrayindex): Resolve arrayindex-into-histogram expression as pe_long. (typeresolution_info::visit_print_format): Traverse into histogram if present. * parse.cxx (parse_symbol): Handle parse ambiguity surrounding print(@hist_op(...)[...]). * staptree.cxx (traversing_visitor::visit_arrayindex): Visit base member of arrayindex. * translate.cxx (c_unparser::histogram_index_check): New method. (var::hist): Fix bug. (var::buckets): New method. (stmt_expr::stmt_expr): Print with newline. (c_unparser::load_map_indices): Handle indexing-histogram case. (c_tmpcounter::visit_arrayindex): Likewise. (c_unparser::visit_arrayindex): Likewise. (c_tmpcounter_assignment::visit_arrayindex): Throw error when user attempts to write to histogram bucket. (c_unparser_assignment::visit_arrayindex): Likewise. * testsuite/buildok/print_histogram_entry.stp: New test. 2005-12-02 Frank Ch. Eigler * configure.ac: Bump version number. * stap.1.in: Document some of the new print/stats stuff. * configure: Regenerated. * systemtap.spec.in: Enable ia64 and ppc builds. 2005-12-01 Frank Ch. Eigler PR 1944 improved hack. * translator.cxx (c_tmpcounter::visit_block): New routine, allows overlay of sequential statements' temporaries within context. 2005-12-01 Frank Ch. Eigler PR 1944 quick hack. * translator.cxx (translate_pass): Reduce default MAXNESTING to 10. (emit_module_init): Add a paranoid check against oversize contexts. * stap.1.in: Document MAXNESTING change. 2005-11-30 Frank Ch. Eigler PR 1276 From Josh Stone : * tapsets.cxx (profile_derived_probe, profile_builder, register_standard_tapsets): Support timer.profile variety. * stapprobes.5.in: Document it. * testsuite/builok/fourteen.stp: Test its buildability. 2005-11-28 Graydon Hoare * translate.cxx (var::assert_hist_compatible): New method. (var::hist): New method. (c_unparser::load_aggregate): New method. (hist_op_downcaster): Remove, it was a mistake. (expression_is_hist_op): Likewise. (c_tmpcounter::visit_print_format): Implement print(@hist(...)). (c_unparser::visit_print_format): Likewise. * staptree.h (struct print_format): Add optional hist_op* member. * staptree.cxx (traversing_visitor::visit_functioncall): Visit hist_op if present in print_format. (deep_copy_visitor::visit_print_format): Likewise. * parse.cxx (parse_symbol): Special case to consume print(@hist(...)). * elaborate.cxx (typeresolution_info::visit_arrayindex): Fix type inference bug. (typeresolution_info::visit_foreach_loop): Likewise. * testsuite/buildok/print_histograms.stp: New test. 2005-11-28 Frank Ch. Eigler * translate.cxx (c_tmpcounter_assignment::visit_symbol): Don't emit unused temporary into context. Saves mucho space with strings. 2005-11-27 Roland McGrath * loc2c.c (location_from_address): Diagnose null FB_ATTR specially. * loc2c.c (location_from_address): Fix function name in error message. 2005-11-27 Frank Ch. Eigler * loc2c.c (location_from_address): Tolerate errors with NULL *input. 2005-11-26 Roland McGrath PR 1868. * loc2c.c (struct location): Move frame_base member out of the union. (alloc_location): Initialize it. (new_synthetic_loc, translate, location_from_address): Update uses. (emit_loc_value): Don't handle frame_base here. (c_emit_location): Do it here instead. (translate): Track USED_DEREF separately for each piece. Use a temporary struct when allocating a new piece, letting a pending loc_address piece finish up first. * loc2c-test.c (main): Free SCOPES at end. (handle_variable): Free POOL at end. * loc2c.c (translate): Initialize LOC->address.used_deref at start. 2005-11-25 Frank Ch. Eigler PR 1336. * tapsets.cxx (translate_final_fetch_or_store): Remove apparently unnecessary check. * testsuite/transok/ten.stp: New test for void* integerification. 2005-11-24 Frank Ch. Eigler PR 1903 * parse.cxx (eval_pp_conditional): Support %( arch == "i686" %) form. * stap.1.in: Document it. * testsuite/parseok/fourteen.stp: Test it. * session.h (architecture): New field. * main.cxx (main): Initialize it. 2005-11-24 Frank Ch. Eigler PR 1917 * translate.cxx (emit_common_header, emit_module_init, emit_module_exit): Switch context array to per-cpu kmalloc variant. * tapsets (*::emit_probe_entires): Use per_cpu_ptr() for my context. 2005-11-23 Graydon Hoare * elaborate.h (get_symbol_within_expression): Make visible. * elaborate.cxx (get_symbol_within_expression): Make non-static. (stat_decl_collector): New struct. (semantic_pass_stats): New semantic pass. (semantic_pass): Call it. (semantic_pass_symbols): Remove collection of statistic_decls from files. (visit_stat_op): Only fail if inferred type is not pe_long. * parse.cxx (parser::parse): Don't pass per-file statistic_decl into parse_global. (parser::parse_global): Don't parse global statistic_decls, they're obsolete. * parse.hh (parser::parse_global): Adjust signature to match. * session.h (statistic_decl::operator==): New method. * staptree.h (print_format::is_empty): New method. (stapfile::stat_decls): Remove field. * staptree.cxx (string_to_components): Fix bugs in format-string parser. * translate.cxx (var): Make private fields protected. (var::init): Support HIST_NONE stats. (aggvar): New struct. (mapvar::is_parallel): New method. (mapvar::call_prefix): Use it. (mapvar::calculate_aggregate): New method. (mapvar::fetch_existing_aggregate): New method. (mapvar::get): Support pe_stats. (mapvar::init): Use is_parallel(), and support HIST_NONE. (itervar::itervar): Only fault on pe_unknown. (itervar::start): Use mapvar::is_parallel and mapvar::fetch_existing_aggregate. (emit_map_type_instantiations): Include alloc.c before pmap-gen.c. Include pmap-gen.c for pe_stats maps. (c_unparser::gensym_aggregate): New method. (c_unparser::visit_foreach_loop): Handle mapvar::is_parallel case. (arrayindex_downcaster): New struct. (expression_is_arrayindex): New function. (c_tmpcounter::visit_stat_op): New method. (c_unparser::visit_stat_op): Implement. (c_unparser::visit_hist_op): Add commentary, still not implemented. * testsuite/buildok/stat_{insert,extract}.stp: New tests. * testsuite/semok/ten.stp: Correct for changes to global declarations. * testsuite/semko/*.stp: Likewise. 2005-11-21 Roland McGrath * loc2c.c (c_translate_location): Take Dwarf_Op vector as argument directly, not Dwarf_Attribute. * loc2c.h: Update decl. * loc2c-test.c (get_location): New function. (handle_variable): Use it. * tapsets.cxx (dwflpp::translate_location): New method. (dwflpp::translate_components, dwflpp::literal_stmt_for_local): Use it. 2005-11-21 Frank Ch. Eigler PR 1276 From Josh Stone : * tapsets.cxx (timer_derived_probe, timer_builder, register_standard_tapsets): Support timer.ms() variety. * stapprobes.5.in: Document it. * testsuite/builok/fourteen.stp: Test its buildability. 2005-11-18 Martin Hunt PR 1837 * testsuite/buildko/one.stp: Replace printk. * testsuite/buildok/one.stp: Ditto. * testsuite/buildok/two.stp: Ditto. * testsuite/semko/fifteen.stp: Ditto. * testsuite/semko/fourteen.stp: Ditto. * testsuite/semko/thirteen.stp: Ditto. * testsuite/transok/eight.stp: Ditto. * testsuite/transok/seven.stp: Ditto. * testsuite/transok/six.stp: Ditto. * tapsets.cxx (*::emit_probe_entries): Replace printk() calls with _stp_warn(). * stap.1.in: Replace printk with printf in example. * stapfuncs.5.in: Remove docs for printk and add for print and printf. * tapset/logging.stp (printk): Deleted. 2005-11-13 Graydon Hoare * staptree.h (struct indexable): New struct. (classify_indexable): New function. (classify_const_indexable): New function. (struct symbol): Implement indexable. (struct arrayindex): Take indexable as base. (struct foreach_loop): Take indexable as base. (struct print_format): New struct. (enum stat_component_type): New enum. (struct stat_op): New struct. (enum historgram_type): New enum. (struct hist_op): New struct. (struct visitor) (struct traversing_visitor) (struct throwing_visitor) (struct deep_copy_visitor): Add new visitor methods. (require): Specialize for indexable*. * staptree.cxx (print_format::*) (stat_op::*) (hist_op::*) (indexable::*) (traversing_visitor::*) (throwing_visitor::*) (deep_copy_visitor::*) (classify_indexable) (classify_const_indexable): Implement (deep_copy_visitor::*): Update to use indexables. * parse.h (parser::parse_indexable): New method. (parser::parse_hist_op_or_bare_name): New method. * parse.cxx (lexer::scan): Accept @ in identifiers. (parser::parse_array_in) (parser::parse_foreach_loop): Call parse_indexable. (parser::parse_hist_op_or_bare_name): Implement. (parser::parse_indexable): Implement. (parser::parse_symbol): Accept printf, stat_ops, hist_ops. * elaborate.h (struct typeresolution_info): Add methods for visiting print_format, stat_op, hist_op. * elaborate.cxx (symbol_fetcher): New class. (get_symbol_within_expression): New function. (get_symbol_within_indexable): New function. (mutated_var_collector): Replace mutated_map_collector. (no_var_mutation_during_iteration_check): Replace no_map_mutation_during_iteration_check. (semantic_pass_vars): Replace semantic_pass_maps. (semantic_pass): Update call accordingly. (symresolution_info::*) Add new visitors, teach about indexables (typeresolution_info::*) Likewise. * translate.cxx (c_unparser::getiter): Take symbol, not foreach_loop. (c_unparser::*) Add new visitors, teach about indexables. (c_tmpcounter::*) (delete_statement_operand_visitor::visit_arrayindex) (c_tmpcounter_assignment::*) (c_unparser_assignment::*): Likewise. (hist_op_downcaster): New struct. (expression_is_hist_op): New function. * testsuite/buildok/printf.stp: New test for print_format. 2005-11-10 Frank Ch. Eigler * translate.cxx (c_unparser::visit_array_in, visit_arrayindex): Finish adapting to PR 1275 by switching back to read locks. 2005-11-09 Martin Hunt * translate.cxx: New API uses HIST_LOG and HIST_LINEAR instead of HSTAT_LOG and HSTAT_LINEAR. 2005-11-09 Frank Ch. Eigler Reported by Guang Lei Li : * tapset/context.stp (pid,ppid,tid): Correctly pick tgid vs pid. * testsuite/buildok/context_test.stp: Print out tid() too. 2005-11-08 Frank Ch. Eigler * tapsets.cxx (blacklisted_p): Tolerate NULL filename parameter. * src/testsuite/semok/twenty.stp: New test to enumerate everything dwarfly probeable. 2005-11-08 Frank Ch. Eigler * translate.cxx (c_unparser::visit_foreach_loop): With PR 1275 done, add back read lock around foreach loop. Add a write lock around preceding sort operation. Leave a race condition window. :-( 2005-11-08 Frank Ch. Eigler * translate.cxx (mapvar::exists): Correct some more. 2005-11-08 Frank Ch. Eigler Patch from "Mao, Bibo" * translate.cxx (mapvar::exists): Correct 64-bit type mismatch. 2005-11-08 Frank Ch. Eigler * tapsets.cxx (blacklisted_p): Add blacklist for some .return probes to kludge around bug #1345. * tapset/system_calls.stp: Add some %( %? %) conditionals to get closer to using tapset on 2.6.9 kernel. 2005-11-07 Frank Ch. Eigler PR 1828. * tapsets.cxx (blacklisted_p): New function. Add a few blacklist entries. * testsuite/semko/thirtythree.stp: New test. 2005-11-07 Frank Ch. Eigler * testsuite/buildok/twentytwo.stp: Add another test for PR 1271. 2005-11-04 Frank Ch. Eigler * tapsets.cxx (dwarf_derived_probe::emit_registrations): Add possible kprobe address prechecking logic. Set kretprobes maxactive to zero. * translate.cxx (emit_module_init): Set a more helpful default probe_point value for use in registration errors. Exit properly after registration failure of probe #0. 2005-11-04 Roland McGrath * tapsets.cxx (add_probe_point): Use dwfl_module_relocation_info to get symbol name when dwfl_module_relocations has the info. 2005-11-03 Roland McGrath * tapsets.cxx (add_probe_point): Use explicit test with assignment in while condition. 2005-11-03 Frank Ch. Eigler PR 1329. * tapsets.cxx (dwarf_query::add_probe_point): Look up section name containing given address. Skip request if it came from .init.*. * testsuite/semko/thirtytwo.stp: New test. 2005-11-02 Martin Hunt * Makefile.am (EXTRA_DIST): Add session.h. * Makefile.in: Regenerated. 2005-11-01 Frank Ch. Eigler Sound advice from : * configure.ac: Undo last change. * configure.ac: Unregenerated. * parse.cxx: Use glibc strverscmp function instead of rpmlib. * stap.1.in: Update correspondingly. 2005-11-01 Graydon Hoare * translate.cxx (c_unparser::collect_map_index_types) (c_unparser::emit_map_type_instantiations) (c_unparser::visit_arrayindex) (c_unparser::visit_array_in) (delete_statement_operand_visitor::visit_arrayindex) (c_unparser_assignment::visit_arrayindex) (mapvar::*): Update to new runtime map API. 2005-11-01 Frank Ch. Eigler PR 1425. * configure.ac: Look for rpm-devel headers and libs. * configure: Regenerated. * session.h: New file to contain systemtap_session decl. * staptree.h: Likewise evict statistics_decl. * elaborate.h: Corresponding changes. * main.cxx (usage): Elaborate. Re-enable "-r RELEASE" option. * parse.cxx (parser): Add systemtap_session& field. Update users. (scan_pp, eval_pp_conditional): New routines for preprocessing. (peek, next): Call it. (lexer::scan): Lex the preprocessor operators. (parser::parse): Include an extra level of exception catching for parse errors that occur during recovery. * parse.h: Corresponding changes. (parse_error): Allow explicit token parameter. * stap.1.in: Document preprocessing. * testsuite/parseok/fourteen.stp: New test. 2005-10-31 Roland McGrath * systemtap.spec.in, configure.ac: Version 0.4.2 cooked. * configure: Regenerated. * configure.ac: Update libdw test to require 0.116 with dwarf_diecu. * configure: Regenerated. * systemtap.spec.in: Update elfutils requirement to 0.116. * loc2c.c: Dwarf_Loc -> Dwarf_Op. (location_from_address): dwarf_addrloclists -> dwarf_getlocation_addr. (c_translate_location): Likewise. (max_fetch_size): Remove fakeo dwarf_diecu macro. * tapsets.cxx (dwflpp): Dwarf_Func -> Dwarf_Die; dwarf_func_name -> dwarf_diename; dwarf_func_entrypc -> dwarf_entrypc; dwarf_func_file, dwarf_func_line -> dwarf_decl_file, dwarf_decl_line. 2005-10-26 Roland McGrath * loc2c.c (max_fetch_size): Default to host pointer size, while still waiting for new libdw entrypoint. 2005-10-25 Roland McGrath PR 1271 cont'd. * testsuite/buildok/twentytwo.stp: New file. * testsuite/buildok/twentythree.stp: New file. * loc2c.c (discontiguify): Add missing ; in output. 2005-10-20 Graydon Hoare PR 917 (incomplete) * staptree.h (struct statistic_decl): New struct. (stapfile::stat_decls): New member. * parse.h, parse.cxx (parser::expect_known): Fix typo. (parser::expect_number): New method. (parser::parse_global): Parse global statistic_decls. * elaborate.h (systemtap_session::stat_decls): New member. * elaborate.cxx (semantic_pass_symbols): Copy per-file stat_decls to session-wide. (typeresolution_info::visit_assignment): Detect some semantic stats errors in type resolution pass. * translate.cxx (var::sd): New private member. (var::var): Initialize it. (var::sdecl): New accessor. (var::init): Handle stats values. (mapvar::mapvar): Pass through statistic_decl to var ctor. (mapvar::get): Test for long explicitly. (mapvar::set): Likewise. (mapvar::init): Handle stats values. (c_unparser::emit_common_header): Remove typedef of stats_t, include stat.c when necessary. (mapvar::key_typename): Typo. (c_unparser::emit_map_type_instantiations): Thinko: value_typename not key_typename. (c_unparser::c_typename): Implementation typename is "Stat", not "stats_t". (c_unparser::c_assign): Fix bad error message. (c_unparser_assignment::c_assignop): Handle operator <<<. (c_unparser::getvar): Feed session statistic_decl into var. (c_unparser::getmap): Likewise. (c_unparser::visit_assignment): Handle operator <<<. (c_tmpcounter_assignment::visit_symbol): Derive type from rvalue when present. (c_unparser_assignment::visit_symbol) (c_tmpcounter_assignment::visit_arrayindex) (c_unparser_assignment::load_map_indices): Likewise. (c_unparser::visit_arrayindex): Likewise, and Prohibit statistic rvalues. (c_unparser_assignment::visit_arrayindex): Handle operator <<<. * testsuite/semko/twentyfour.stp: * testsuite/semko/twentyfive.stp: * testsuite/semko/twentysix.stp: * testsuite/semko/twentyseven.stp: * testsuite/semko/twentyeight.stp: * testsuite/semko/twentynine.stp: * testsuite/semko/thirty.stp: * testsuite/semko/thirtyone.stp: New tests for prohibited statistic contexts. * testsuite/buildok/twentytwo.stp: New test for legal statistic contexts. 2005-10-19 Tom Zanussi PR 1194. * elaborate.h: Move output_file variable into systemtap_session. * buildrun.cxx (run_pass): Pass output file to stpd if applicable. * main.cxx (main): Set output_file if -o option specified. 2005-10-18 Frank Ch. Eigler PR 1477. * main.cxx (main): Set PATH and LC_ALL, so * buildrun.cxx (compile_pass, run_pass): ... and ... * translate.cxx (emit_symbol_data): ... don't have to. 2005-10-18 Frank Ch. Eigler PR 1482 cont'd. * translator.cxx (emit_module_init): Set aside a variable for detailed probe point id. * tapsets.cxx (emit_registrations): Use it. (add_probe_point): Correct synthesized probe-point typo. 2005-10-17 Martin Hunt PR 1482 * tapsets.cxx (emit_registrations): On failure, don't forget to unregister probe 0; 2005-10-17 Frank Ch. Eigler PR 1338. * parse.cx (parse_probe): Unconditionally visit parse_probe_point. (parse_probe_point): Accept "*" as component name. * stapprobes.5.in: Document this. * elaborate.cxx (derive_probes): Rewrite. Make top-level function. (match_node::find_and_build): New function to replace (find_builder): Removed. (match_key operator <): Correct one nasty typo. (match_node::bind): Refuse to bind "*" component names. (derived_probe_builder::build): Remove recursion output param. (alias_expandion_builder::build): Recurse to derive_probes instead. * elaborate.h: Corresponding changes. * tapsets.cxx: Ditto. (query_cu): Elide prologue finding for uninteresting CUs. * testsuite/semok/nineteen.stp: New test. * testsuite/semko/twentythree.stp: New test. * testsuite/semko/twentyone/two.stp: Fix -p2. 2005-10-17 Graydon Hoare * testsuite/semko/twentyone.stp: Check function doesn't match inline. * testsuite/semko/twentytwo.stp: Check inline doesn't match function. * testsuite/buildok/six.stp: Change "function" to "inline". * stapprobes.5.in: Describe "inline" probes. * tapsets.cxx (TOK_INLINE): New token "inline". (dwarf_query::has_inline_str) (dwarf_query::has_inline_num) (dwarf_query::inline_str_val) (dwarf_query::inline_num_val): New members. (dwarf_query::dwarf_query): Load new members. (query_dwarf_inline_instance) (query_dwarf_func) (query_cu) (query_module) (dwarf_derived_probe::add_probe_point) (dwarf_builder::build): Use inline-related members where appropriate. (dwarf_derived_probe::register_inline_variants): New method. (dwarf_derived_probe::register_function_and_statement_variants): Call it. 2005-10-14 Roland McGrath PR 1271. * loc2c.c (translate): Set LOC->byte_size in loc_noncontiguous result. (struct location.address): New member `declare'. (new_synthetic_loc, translate): Initialize it. (struct location.type): Add loc_fragment, loc_decl to enum. (c_emit_location): Emit unadorned code for loc_fragment. (discontiguify): New function. (c_translate_fetch, c_translate_store): Call it. (get_bitfield): New function, broken out of .... (emit_bitfield): ... here. Function removed. (declare_noncontig_union): New function. (max_fetch_size): New function. (translate_base_fetch): New function, broken out of ... (c_translate_fetch): ... here. Call it. Use get_bitfield here, not emit_bitfield. (c_translate_store): Likewise. (c_emit_location): Emit declarations first. * loc2c.c (dwarf_diename_integrate): Function removed. Change all callers to use dwarf_diename. * loc2c-test.c (handle_variable): Check for "=" before fetching DIE from ATTR_MEM. 2005-10-13 Roland McGrath * loc2c.c (c_emit_location): Use final location's used_deref flag too. * loc2c.c (translate): Pass LOC to alloc_location, not INPUT. * loc2c-test.c (fail): Print a newline after the error message. 2005-10-10 Frank Ch. Eigler * elaborate.cxx (match_node::bind): Improve error message. (register_library_aliases): Catch and verbosify error message. (semantic_pass): Provide a back-up exception catcher. 2005-10-10 Frank Ch. Eigler PR 1456. * translate.cxx (c_unparser_assignment): Rename "pre" field to "post", add blurb to clarify polarity. (visit_pre/post_crement): Flip passed flag value. 2005-10-07 Frank Ch. Eigler PR 1366. * staptree.h (foreach_loop): Add sort_column, sort_direction fields. * parse.cxx (parse_foreach_loop): Parse "+"/"-" suffix operators. * stap.1.in, stapex.5.in: Document them. * staptree.cxx (foreach_loop print, copy): Propagate them. * translate.cxx (visit_foreach_loop): Support them. * testsuite/parseok/fifteen.stp, parseko/thirteen.stp, buildok/twentyone.stp: Test them. 2005-10-07 Kevin Stafford * tapset/system_calls.stp: All 281 syscalls *prototyped*. They are still untested. Many of the aliases useability are contin- gent upon resolution of namely: bz #1295 & bz #1382. 2005-10-06 Frank Ch. Eigler * stap.1.in: Document -b/-s options. * main.cxx (usage): Clarify -b/-s blurbs. * translator.cxx (translate_pass): Handle bulk_mode here instead. 2005-10-06 Frank Ch. Eigler PR 1332. * translate.cxx (emit_symbol_data): New function to transcribe a processed address->symbol lookup table, based upon /proc/kallsyms. 2005-10-05 Tom Zanussi * buildrun.cxx (run_pass): Add bulk/buffer_size flags to flags passed to stpd. * elaborate.h (systemtap_session): Add bulk/buffer_size flags. * main.cxx (usage,main): Add -b (bulk), -s (buffer_size) options. processing. 2005-10-04 Graydon Hoare PR 1131. * tapsets.cxx (target_variable_flavour_calculating_visitor::visit_target_symbol) (var_expanding_copy_visitor::visit_target_symbol): Require guru mode for writing to target vars. * testsuite/buildok/twenty.stp: Test writing to target vars. 2005-10-01 Frank Ch. Eigler * tapsets.cxx (get_module_dwarf): Add "required" parameter, which throws an exception if debuginfo is not found. (focus_on_module_containing_global_address): Tolerate miss. (query_kernel_exists): New function to test for "kernel" module in dwfl_getmodules() result set. (dwarf_builder::build): Call it if appropriate. 2005-09-30 Graydon Hoare PR 1131. * tapsets.cxx (dwflpp::find_variable_and_frame_base) (dwflpp::translate_components) (dwflpp::resolve_unqualified_inner_typedie) (dwflpp::translate_final_fetch_or_store): New functions. (dwflpp::literal_stmt_for_local): Factor a bit. (variable_flavour_calculating_visitor::visit_target_symbol): Don't fault on lvalue, just collect an extra char. (var_expanding_copy_visitor::target_symbol_setter_functioncalls): New member. (var_expanding_copy_visitor::visit_assignment): New method. (var_expanding_copy_visitor::visit_target_symbol): Permit lvalues. 2005-09-30 Frank Ch. Eigler * tapset/system_calls.stp (*_str): Simplified boolean test logic throughout, fixed some typos. 2005-09-28 Frank Ch. Eigler PR 1182. * main.cxx (main): Support -D macro-setting option. * stap.1.in: Document it and related macros. * buildrun.cxx (compile_pass): Emit macro definitions. * translate.cxx (translate_pass): Guard limit macros with #ifdef. Eliminate MAXCONCURRENCY macro. * elaborate.h (systemtap_session): Add "macros" field. * parse.cxx (parse_if_statement): Clear "elseblock" if needed. 2005-09-27 Frank Ch. Eigler * tapsets.cxx (query_cu_containing_global_address): Tolerate way out of range addresses that result in null cudie pointers. 2005-09-27 Frank Ch. Eigler PR 1368. * translate.cxx (emit_common_header): Move some MAX* definitions out ... (translate_pass): ... to here. Fix probe_start API impedance mismatch. (emit_module_init, exit): Tolerate registration errors, such as absence of kretprobes support. 2005-09-27 Frank Ch. Eigler PR 1311. * tapsets.cxx (target_variable_flavour_calculating_visitor:: visit_target_symbol): Print verbose error. (var_expanding_copy_visitor::visit_target_symbol): Throw simple error. 2005-09-26 Frank Ch. Eigler * stapfuncs.5.in: Extend errno_str verbiage. * tapset/errno.stp: Canonicalize script code slightly. 2005-09-26 Frank Ch. Eigler PR 1295. * tapsets.cxx (resolve_prologue_endings2): Try another heuristic for end-of-prologue. 2005-09-22 Graydon Hoare , Frank Ch. Eigler PR 1330. * tapsets.cxx (dwarf_derived_probe): Allow multiple probe_point locations per derived_probe. (dwarf_query): Add probe "flavour" concept, to reuse probe bodies for identical flavours across wildcards. (dwarf::emit_registrations, emit_deregistrations, emit_probe_entries): Reorganize. * staptree (probe::printsig): Put multiple locations on separate lines. 2005-09-22 Will Cohen * stap.1.in: Correct sys_read alias example. 2005-09-19 Frank Ch. Eigler * tapsets.cxx (*::emit_probe_entries): Handle busy-count correctly upon contention. 2005-09-14 Graydon Hoare PR 1260 * tapsets.cxx (dwflpp::resolve_prologue_endings): Correct logic error triggered by consecutive function-beginning line records. 2005-09-14 Frank Ch. Eigler PR 1344 * translate.cxx: Call _stp_map_clear for "delete ARRAY" statement. 2005-09-14 Roland McGrath * systemtap.spec.in: Version 0.4.1 cooked. Build runpath into elfutils libs too. 2005-09-14 Frank Ch. Eigler PR 1257 * Makefile.am (AM_CFLAGS): Add -fexceptions. * loc2c.c (c_translate_location): Invoke *fail properly. * Makefile.in: Regenerated. 2005-09-13 Graydon Hoare PR 1260 * tapsets.cxx (func_info::func_info): Initialize fields. (inline_instance_info::inline_instance_info): Likewise. (query_inline_instance_info): Add try-catch block. (query_func_info): Likewise, and fault when missing prologue-end. (query_dwarf_func): Fault when missing entrypc. 2005-09-12 Frank Ch. Eigler PR 1335 * translate.cxx (c_tmpcounter::visit_functioncall): Correct recursion sequence. * testsuite/buildok/nineteen.stp: New test case. 2005-09-12 Graydon Hoare PR 1306 * tapsets.cxx (dwflpp::iterate_over_srcfile_lines): Fix two off-by-one errors in previous change. 2005-09-12 Graydon Hoare PR 1306 * tapsets.cxx (dwflpp::has_single_line_record): New function. (dwflpp::iterate_over_srcfile_lines): Throw when user requests single statement line with multiple records (and provide advice). (query_cu): Adjust call to match. (query_srcfile_line): Fix indentation. 2005-09-10 Frank Ch. Eigler * Makefile.am, runtest.sh: Use a "testresuilt/" directory in build tree rather than overloading "testsuite/". * TODO: Removed obsoleted file. * Makefile.in: Regenerated. 2005-09-07 Martin Hunt * stap.1.in: Document current "-c" and "-x" options. 2005-09-07 Frank Ch. Eigler * systemtap.spec.in: Remove kernel-debuginfo dependency. 2005-09-07 Frank Ch. Eigler * main.cxx (main): Choose getpid()-based module names. * tapsets.cxx: Make timer.jiffies' use of task_pt_regs __i386__-only. 2005-09-07 Frank Ch. Eigler * stap.1.in: Oops, && and || do short-circuit. 2005-09-06 Frank Ch. Eigler * stap.1.in: Clarify absence of short-circuiting in && and ||. * translate.cxx (emit_function): Improve "array locals" message. * tapset/timestamp.stp: Add gettimeofday_us function. Correct arithmetic typing in other functions. * stapfuncs.5.in: Document new function. 2005-09-06 Martin Hunt * systemtap.spec.in: Bump elfutils_version to .115. 2005-09-05 Roland McGrath * loc2c.h: Comment fix. 2005-09-06 Frank Ch. Eigler * configure.ac: Require elfutils 0.115+. * tapsets.cxx: Restore graydon's PR 1244 code. * testsuite/buildok/eighteen.stp: Correct typing. * configure: Regenerated. 2005-09-06 Martin Hunt * tapset/context.stp: Add function target(). * stapfuncs.5.in (target): Document it. * elaborate.h (struct systemtap_session): Add cmd and target_pid to the struct. * main.cxx (usage): Add descriptions of "-c" and "-x" options. (main): Set s.cmd and s.target_pid. * buildrun.cxx (stringify): Copy this utility func here too. (run_pass): Add new options to set cmd and pid to the stpd command line. 2005-09-06 Frank Ch. Eigler * tapsets.cxx (emit_probe_entries): Disable fault_handler for now. 2005-09-05 Frank Ch. Eigler PR 1289 * translate.cxx (lex_cast_qstring): Correct "cast" of object to string containing more than one word. * tapset.cxx (lex_cast_qstring): Ditto. (dwarf_derived_module::emit_probe_entries): Emit and use a generic fault_handler. 2005-09-05 Frank Ch. Eigler PR 1172. * staptree.h, staptree.cxx: Make all ::print*(), operator<< functions take const staptree objects. (literal_string::print): \-prefix double-quotes. * translate.cxx (emit_common_header): Add context probe_point field. Switch to atomic_t busy flags. (emit_module_exit): Use atomic operations for busy flag. (visit_*): Use lex_cast_qstring for last_stmt strings. * tapsets.cxx (lex_cast_qstring): New function. (*::emit_probe_entries): Populate probe_point. Use atomic operations for busy flag. * tapset/context.stp (pp): New function. * stapfuncs.5.in: Document it. * testsuite/buildok/context_test.stp: Test it. 2005-09-04 Frank Ch. Eigler * translate.cxx (visit_literal_string): \-prefix double-quotes. 2005-09-04 Martin Hunt * testsuite/buildok/context_test.stp: New test. * tapset/logging.stp (log): Call _stp_printf(). * stapfuncs.5.in: Add contextinfo funcs. * tapset/context.stp: Minor cleanup. 2005-09-03 Frank Ch. Eigler PR 1187 prime * tapset.cxx (literal_stmt_for_local): Don't automgaically copy target char*'s to systemtap strings. * tapset/conversions.stp (user_string, kernel_string): New functions. * stapfuncs.5.in: Document new functions. 2005-09-03 Frank Ch. Eigler PR 1292, by popular request. * parse.cxx (parse_functiondecl): Allow optional value/param type declarations. * stap.1.in: Document this. * tapset/*.stp: Convert most functions accordingly. * testsuite/parseok/twelve.stp, semok/seven.stp, semko/twenty.stp: Test this. 2005-09-02 Frank Ch. Eigler * translate.cxx (varlock): Use trylock only for write locks. (translate_pass): Remove read_trylock macro hack. (visit_foreach_loop): Remove protective read lock, until PR 1275. (visit_*): Added many more "last_stmt"-setting expressions in the output, to improve last_error message locality. 2005-09-02 Martin Hunt * tapset/logging.stp: Make log() be same as print(). 2005-09-02 Frank Ch. Eigler * tapsets.cxx: Temporarily rolled back graydon's changes. 2005-09-02 Frank Ch. Eigler * tapset/*.stp: Renamed several files to simplify names. 2005-09-01 Graydon Hoare PR systemtap/1244 * testsuite/buildok/eighteen.stp: New test. * tapsets.cxx (dwflpp::literal_stmt_for_local) (query_statement, query_inline_instance_info) (query_func_info, query_srcfile_line, query_cu) (var_expanding_copy_visitor, visit_target_symbol) (dwarf_derived_probe): Fix 1244. 2005-09-01 Martin Hunt * tapset/builtin_logging.stp: Add print. * tapset/context.stp: New file. First cut at some context info. 2005-09-01 Martin Hunt * translate.cxx (emit_probe): Add a call to _stp_print_flush at the end of each probe. (translate_pass): Define STP_NUM_STRINGS to be 1 for a scratch string. Include current.c and stack.c. Don't define KALLSYMS_LOOKUP_NAME or KALLSYMS_LOOKUP. Remove references to next_fmt() and stp_dbug(). 2005-08-31 Graydon Hoare PR systemtap/1258 * tapsets.cxx (dwflpp::literal_stmt_for_local): Support DW_TAG_enumeration_type tag as synonymous with DW_TAG_base_type. * loc2c.c (base_byte_size): Likewise. * testsuite/buildok/seven.stp: Adjust to work on UP kernels. 2005-08-31 Graydon Hoare * tapsets.cxx (dwflpp::iterate_over_srcfile_lines): Correct segv reported in PR 1270. 2005-08-31 Frank Ch. Eigler * translate.cxx (visit_array_in, visit_arrayindex): Use write locks even for array reads, until PR 1275. (translate_pass): Add read_trylock -> write_trylock escalation. 2005-08-30 Roland McGrath * Makefile.am (install-data-local): Use mkdir -p, not -mkdir. * Makefile.in: Regenerated. 2005-08-30 Graydon Hoare * tapsets.cxx (dwflpp::literal_stmt_for_local): Handle dwarf pointer-to-1-byte-means-char case (found in PR 1187) * parse.cxx (parse_symbol): Eliminate use of "." from target symbol parser, conflicting with string concatenation operator. * staptree.h (target_symbol::component_type) Eliminate comp_struct_pointer_member, since . and -> are considered the same now. * staptree.cxx (target_symbol::print): Likewise. * testsuite/buildok/seventeen.stp: Test solution on PR 1191. * testsuite/buildok/six.stp: Test working portion of PR 1155. * testsuite/semko/nineteen.stp: Unresolved portion of PR 1155. 2005-08-30 Frank Ch. Eigler PR systemtap/1268 * translator (varlock): Add deadlock detection code. (emit_common_header): Add a new MAXTRYLOCK configuration macro. 2005-08-29 Graydon Hoare PR translator/1265 * tapsets.cxx (func_info::decl_file) (func_info::decl_line) (inline_instance_info::decl_file) (inline_instance_info::decl_line): New fields. (dwflpp::function_srcfile): Remove. (dwflpp::function_file): Add. (dwflpp::function_line): Add. (dwarf_derived_probe::dwarf_derived_probe): Update. (query_statement): Pass func, file, line through. (query_inline_instance_info): Likewise. (query_func_info): Likewise. (query_srcfile_line): Query statement lines if statement_str exists, rather than *_info. (query_dwarf_inline_instance): Extract file and line. (query_dwarf_func): Likewise. (query_cu): Pass empty func, file, line, for address-based queries. 2005-08-29 Frank Ch. Eigler * runtest.sh: Tolerate relative $SRCDIR. 2005-08-29 Frank Ch. Eigler * stapprobes.5.in, stapfuncs.5.in, stapex.5.in: New man pages. * stap.1.in: Moved some content out. * Makefile.am (man_MANS): Add new man pages. * configure.ac (AC_CONFIG_FILES): Add them. * systemtap.spec.in: Package them. * Makefile.in, configure: Regenerated. * buildrun.cxx (run_pass): Pass "-r" to stpd. * translate.cxx (emit_common_header): Wrap try/catch around variable decls, to improve exception particularity. (visit_literal_number): Emit as unsigned literal, which is actually a subtle correctness issue. 2005-08-28 Frank Ch. Eigler * tapsets.cxx (visit_target): Make target variable exceptions more informative. (literal_stmt_for_local): Improve bad-type exception message. * translate.cxx (emit_module_init): Include probe point in comments. 2005-08-27 Roland McGrath * loc2c-test.c (print_type): New function. (print_vars): Use it. * loc2c-test.c (paddr, print_vars): New functions. (main): If given no variable name argument, print out variables. 2005-08-26 Graydon Hoare * translate.cxx: Revert tmp initialization changes. 2005-08-26 Graydon Hoare * parse.cxx (scan): Preserve basic C-ish escapes. * translate.cxx (c_tmpcounter::declaring): New flag. (c_tmpcounter::declare_or_init): New helper method. (c_tmpcounter::visit_*): Use declare_or_init. (c_unparser::emit_function): Run a tmpcounter to initialize tmps. (c_unparser::emit_probe): Likewise. (c_unparser::c_strcpy): Use strlcpy. (c_unparser::c_strcat): Use strlcat. 2005-08-25 Roland McGrath * Makefile.am (EXTRA_DIST): List .h files explicitly. Automake really does not like wildcards. * Makefile.in: Regenerated. 2005-08-25 Frank Ch. Eigler * Makefile.am (docs): Removed target. * Makefile.in: Regenerated. 2005-08-24 Graydon Hoare * tapsets.cxx (dwflpp::literal_stmt_for_local): Fetch pointer types, array types, strings, from target. 2005-08-24 Roland McGrath * loc2c-test.c (handle_variable): Iterate on const_type/volatile_type. 2005-08-24 Frank Ch. Eigler * configure.ac: Require elfutils 0.114. * tapsets.cxx: Brought back graydon's changes. * configure: Regenerated. 2005-08-24 Roland McGrath * systemtap.spec.in: Update elfutils requirement. 2005-08-24 Frank Ch. Eigler * translate.cxx (emit_global, emit_module_init): Use 2.6.9-compatible rwlock initialization. 2005-08-24 Frank Ch. Eigler * tapsets.cxx (*::emit_probe_entries): Treat NULL and "" last_errors both as clean early returns, not errors. * translate.cxx: Revamp last_error handling logic. Remove all "goto out" paths from expression context. (visit_statement): Handle last_error exit one nesting level at a time. (visit_return_statement, visit_functioncall): Set/reset last_error="". (c_tmpcounter::visit_for_loop): New routine. (c_unparser::visit_foreach, visit_for_loop): Rewrite to properly support continue/breaks, non-local exits, (foreach) locks. (emit_global): Emit lock variable. (varlock ctor, dtor): Lock/unlock global variable. (varlock_w, varlock_r): New concrete subclasses. Update all users. * tapset/builtin_logging.stp (exit): Don't set last_error. * src/testsuite/buildok/sixteen.stp: New test. * tapsets.cxx: Temporarily rolled back graydon's changes. 2005-08-23 Graydon Hoare * tapsets.cxx: Re-implement dwarf probe-pattern resolution. 2005-08-22 Frank Ch. Eigler PR systemtap/1134 * elaborate.h (module_fds): New member in systemtap_session. * tapsets.cxx (dwarf_derived_probe ctor): Open /sys/module/$MOD/.text for the duration of a systemtap session, to lock module in memory. 2005-08-21 Frank Ch. Eigler PR systemtap/1195, systemtap/1193 * elaborate.cxx (alias_expansion_builder): Set new block token. * parse.cxx (parse_symbol): Set new target_symbol token. * runtest.sh: Store more pertinent failure data. * tapsets.cxx (emit_probe_entries): Rewrite error-handling path. * translate.cxx (emit_common_header): Goodbye errorcount, hello last_error & last_stmt. (c_unparser::visit_statement): New "header" for all other stmts. (c_assignop, visit_binary_expression): Adapt to last_error. * tapset/builtin_logging.stp: Adapt to last_error. 2005-08-19 Frank Ch. Eigler PR systemtap/1213 * translate.cxx (visit_if_statement): Translate else arms. 2005-08-19 Frank Ch. Eigler PR systemtap/1209 * elaborate.cxx (derived_probe_builder): Add get_param function. * elaborate.h: Declare them. * tapsets.cxx (dwarf_query::get_*_param): Call them. (timer_derived_probe, timer_builder): New classes. (register_standard_tapsets): Register timer.jiffies(N) and friend. * translate.cxx (translate_pass): #include . * stap.1.in: Document timer.jiffies(N) probe points. * testsuite/buildok/fourteen.stp: New test. 2005-08-19 Frank Ch. Eigler * elaborate.cxx (find_var): Remove $pid/$tid builtin logic. 2005-08-19 Martin Hunt * stp_check.in: Remove stp-control. 2005-08-18 Roland McGrath * loc2c.c (c_translate_addressof): Take TYPEDIE instead of TYPEATTR. * loc2c.h: Update decl. * loc2c-test.c (handle_variable): Handle DW_TAG_pointer_type target for fetch. 2005-08-18 Will Cohen * stp_check.in: See if relayfs available filesystem. 2005-08-18 Roland McGrath * loc2c.c (struct location): New member `emit_address'. (alloc_location): Initialize new member from ORIGIN. (location_from_address): New argument EMIT_ADDRESS. Initialize new member. (translate): Use LOC->emit_address hook to format DW_OP_addr constant. (location_relative): Die if DW_OP_addr is used. (default_emit_address): New function. (c_translate_location): New argument EMIT_ADDRESS, pass it down. Use default_emit_address if argument is null. * loc2c.h: Update decl. * loc2c-test.c (handle_variable): Update caller. * tapsets.cxx (dwflpp::literal_stmt_for_local): Update caller. (dwflpp::loc2c_emit_address): New static method. 2005-08-17 Roland McGrath PR systemtap/1197 * loc2c.c (struct location): New members `fail', `fail_arg'. (alloc_location): New function. Initialize those members. (new_synthetic_loc, translate): Use that instead of obstack_alloc. (location_from_address, location_relative): Likewise. (FAIL): New macro. Use it everywhere in place of `error'. (c_translate_location): Take new args FAIL, FAIL_ARG. * loc2c.h: Update declaration. * loc2c-test.c (fail): New function. (handle_variable): Pass it to c_translate_location. * tapsets.cxx (dwflpp::loc2c_error): New static method. (dwflpp::literal_stmt_for_local): Pass it to to c_translate_location. PR systemtap/1205, systemtap/1206 * loc2c.c (c_translate_fetch): Take TYPEDIE instead of TYPEATTR. (c_translate_store): Likewise. * loc2c.h: Update decls. * loc2c-test.c (handle_variable): Update callers. Look up type, resolve typedefs, and check that it's DW_TAG_base_type. * tapsets.cxx (dwflpp::literal_stmt_for_local): Likewise. * loc2c.c (base_byte_size): Add assert on expected DIE tag. (c_translate_array, c_translate_pointer): Likewise. * loc2c.h: Amend comments to explicitly state type DIE tags expected. * loc2c.c: #include "loc2c.h". 2005-08-16 Frank Ch. Eigler PR systemtap/1180 * tapsets.cxx (*): Add more verbose-predicatation to informative messages. Correct more hex/dec ostream mismatches. (query_function): Use entry/querypc, not prologue-end, for function().return and .statement() probe points. (dwarf_derived_probe ctor): Reorganize function/statement probe point regeneration. 2005-08-16 Frank Ch. Eigler * main.cxx: Don't print library parse trees if last_pass=1. 2005-08-14 Roland McGrath * systemtap.spec.in: Update elfutils_version requirement to 0.113; restore bundled_elfutils setting to 1. 2005-08-12 Graydon Hoare * translate.cxx (c_tmpcounter::visit_array_in): Implement. (c_unparser::visit_array_in): Likewise. (mapvar::exists): New method. 2005-08-12 Frank Ch. Eigler PR systemtap/1122 et alii * parse.cxx (parse_literal): Parse and range-limit 64-bit numbers. (parse_unary): Correct precedence glitch. * staptree.h (literal_number): Store an int64_t. * staptree.cxx: Corresponding changes. * translate.cxx (check_dbz): Remove - insufficient. (emit_function): Define CONTEXT macro sibling for THIS. (c_typename): pe_long -> int64_t. (visit_literal_number): Format literal rigorously and uglily. (c_assignop, visit_binary_expression): Handle div/mod via new helper functions in runtime. * tapset/builtin_logging.stp: Add error, exit builtins. * testsuite/buildok/ten,eleven.stp: New tests. * testsuite/parse{ko,ok}/six.stp: Modify for larger numbers. * testsuite/transok/one.stp: Add more ";"s, maybe unnecessarily. 2005-08-11 Frank Ch. Eigler * systemtap.spec.in: Tweak to turn into fedora-flavoured spec. Don't build/install runtime docs. 2005-08-11 Frank Ch. Eigler * Makefile.am (uninstall-local): New target. * Makefile.in: Regenerate. 2005-08-11 Frank Ch. Eigler * translate.cxx (emit_function): Add an extra { } around the function body visitation. * tapset/timestamp_functions.stp: New file. * tapset/builtin_conversions.stp: Aggregated from [hex]string. * tapset/builtin_logging.stp: Aggregated from log/warn/printk. 2005-08-11 Frank Ch. Eigler * tapsets.cxx: Tweak hex/decimal printing for consistency. (emit_registrations): Remove module-specific code, anticipating that libelf gives us run-time addresses already. 2005-08-10 Roland McGrath * loc2c.c (emit_base_store): New function. (emit_bitfield): Rewritten to handle stores, change parameters. (c_translate_fetch): Update caller. (c_translate_store): New function. * loc2c.h: Declare it. * loc2c-test.c (handle_variable): Grok "=" last argument to do a store. * loc2c.c (c_translate_location): Increment INDENT. (c_translate_pointer): Likewise. (emit_loc_value): Increment INDENT after emit_header. 2005-08-10 Graydon Hoare * tapsets.cxx (dwflpp::literal_stmt_for_local): Copy code from loc2c-test to implement target member variable access. 2005-08-10 Graydon Hoare * tapsets.cxx (dwflpp::global_addr_of_line_in_cu): Implement next-line heuristic. (dwarf_query::get_number_param): Dwarf_Addr variant. (query_cu): Add line-selecting variant for function iteration. 2005-08-10 Frank Ch. Eigler PR translator/1186 * elaborate.cxx (resolve_2types): Accept a flag to tolerate unresolved expression types. (visit_functioncall): Call it thusly. * translate.cxx (emit_function): Tolerate void functions. * stap.1.in: Document possibility of void functions. * tapset/builtin_{log,printk,warn}.stp: Make these void functions. * testsuite/buildok/nine.stp, semok/eighteen.stp: New tests. 2005-08-10 Frank Ch. Eigler * tapsets.cxx: Correct hex/decimal misformatting of verbose messages. * main.cxx: Add formal "-h" and "-V" options. * stap.1.in: Document them. 2005-08-10 Frank Ch. Eigler * tapsets.cxx: Move around "focusing on ..." messages to print them only for matching functions/modules. (dwflpp ctor): Also add cu (source file) name to derived probe point. 2005-08-09 Graydon Hoare * testsuite/parseok/nine.stp: Update * testsuite/semok/{six,seven,eleven,seventeen}.stp: Update. 2005-08-09 Graydon Hoare * staptree.{cxx,h} (target_symbol): New struct. (*_visitor::visit_target_symbol): Support it. (visitor::active_lvalues) (visitor::is_active_lvalue) (visitor::push_active_lvalue) (visitor::pop_active_lvalue): Support lvalue-detection. (delete_statement::visit) (pre_crement::visit) (post_crement::visit) (assignment::visit): Push and pop lvalue expressions. * elaborate.{cxx,h} (lvalule_aware_traversing_visitor): Remove class. (no_map_mutation_during_iteration_check) (mutated_map_collector): Update lvalue logic. (typeresolution_info::visit_target_symbol): Add, throw error. * parse.{cxx,h} (tt2str) (tok_is) (parser::expect_*) (parser::peek_*): New helpers. (parser::parse_symbol): Rewrite, support target_symbols. * translate.cxx (c_unparser::visit_target_symbol): Implement. * tapsets.cxx (var_expanding_copy_visitor): Update lvalue logic, change visit_symbol to visit_target_symbol. 2005-08-09 Martin Hunt PR 1174 * stp_check.in: Supply path for lsmod. * stp_check: Removed. 2005-08-09 Graydon Hoare * elaborate.cxx: (delete_statement_symresolution_info): New struct. (symresolution_info::visit_delete_statement): Use it. (delete_statement_typeresolution_info): New struct. (typeresolution_info::visit_delete_statement): Use it. (symresolution_info::find_var): Accept -1 as 'unknown' arity. * elaborate.h: Update to reflect changes in .cxx. * translate.cxx (mapvar::del): New method. (c_unparser::getmap): Check arity >= 1; (delete_statement_operand_visitor): New struct. (c_unparser::visit_delete_statement): Use it. * staptree.cxx (vardecl::set_arity): Accept and ignore -1. (vardecl::compatible_arity): Likewise. * testsuite/buildok/eight.stp: New test for 'delete' operator. 2005-08-08 Roland McGrath * loc2c-test.c: New file. * Makefile.am (noinst_PROGRAMS): Add loc2c-test. (loc2c_test_SOURCES, loc2c_test_LDADD): New variables. * Makefile.in, aclocal.m4: Regenerated. 2005-08-08 Frank Ch. Eigler * stap.1.in: Autoconfify old man page. * configure.ac: Make it so. * stap.1: Removed. * configure, Makefile.in, aclocal.m4: Regenerated. 2005-08-05 Frank Ch. Eigler * runtest.sh: Keep around log files from crashed processes, those whose rc is neither 0 nor 1. 2005-08-05 Frank Ch. Eigler * tapsets.cxx (query_statement|function|cu|module): Add explicit nested try/catch, since elfutils iteration seems to block exception catching. 2005-08-05 Frank Ch. Eigler PR translator/1175 * translate.cxx (*): Added unlikely() markers to most emitted error checks. (mapvar::get,set): Handle NULL<->"" impedance mismatch. (itervar::get_key): Ditto. Use base index=1 for keys. * testsuite/buildok/one.stp: Extend. And it runs with -p5 too. * stap.1: Document use of ";" statament as mechanism for grammar ambiguity resolution. * stp_check.in: Set $prefix. * systemtap.spec.in: Prereq kernel-devel, kernel-debuginfo, and not tcl. * tapsets.cxx: Make slightly less verbose. 2005-08-03 Graydon Hoare * tapsets.cxx (dwflpp): Fix address calculation logic a bit, and use prologue-end addresses for function probes. 2005-08-03 Frank Ch. Eigler * stap.1: More meat, all stub sections filled. * elaborate.cxx (visit_assignment): Add numerous missing cases. * parse.cxx: Parse ".=" operator. * testsuite/semok/sixteen.stp: Check them. * main.cxx (usage): Don't show incompletely supported options. 2005-08-03 Martin Hunt * stp_check.in : Copy sources to /var/cache/systemtap. * systemtap.spec.in: Install stp_check. * Makefile.am (install-exec-local): Install stp_check. 2005-08-03 Martin Hunt * configure.ac: Add stp_check to AC_CONFIG_FILES. * stp_check.in : New file. 2005-08-03 Frank Ch. Eigler * README: Be more specific about prerequisites. * tapset/builtin_string.stp: New builtin. * testsuite/buildok/seven.stp, semko/eighteen.stp: New tests. 2005-08-03 Roland McGrath * configure.ac, systemtap.spec.in: Version 0.2.1. * Makefile.in, aclocal.m4, configure: Regenerated. 2005-08-02 Roland McGrath * loc2c.c (emit_bitfield): Return bool, value from emit_base_fetch. (c_translate_fetch): Update caller. (c_translate_pointer): Never ignore emit_base_fetch return value. * systemtap.spec.in (%install): Remove parameters after %makeinstall. 2005-08-02 Frank Ch. Eigler * loc2.c (emit_loc_address): Emit interleaved declaration into its own nested { } block. * tapsets.cxx (literal_stmt_for_local): Emit deref_fault block unconditionally. * tapset/builtin_hexstring.stp: New builtin. * testsuite/buildok/six.stp: New test. 2005-08-02 Frank Ch. Eigler * tapsets.cxx (emit_registrations): Treat module_name="kernel" as if module_name="". 2005-08-01 Graydon Hoare * staptree.{cxx,h} (probe_point::component): Add a ctor. * tapsets.cxx (dwarf_derived_probe): Synthesize concrete probe_point for matched pattern. (dwarf_probe_type) (dwarf_query::add_kernel_probe) (dwarf_query::add_module_probe): Remove, they were noise. (dwflpp::module_name_matches): Don't call get_module_dwarf(). 2005-08-01 Frank Ch. Eigler * tapsets.cxx: Support ".return" option for function probe points. * testuite/buildok/five.stp: Try it. 2005-08-01 Frank Ch. Eigler * elaborate.cxx (derive_probes, semantic_pass_symbols): Improve error message specificity. * translate.cxx (emit_module_init): Compact partial registration recovery code. (emit_module_exit): Invert deregistration sequence. * testsuite/buildok/four.stp: Some module() test case. 2005-08-01 Frank Ch. Eigler * elaborate.cxx (derive_probes): Print error if results empty. * tapsets.cxx (dwflpp_assert): Handle positive RCs, which likely came from errno. (dwflpp::setup): Improve missing debug-info messages. * testsuite/semko/sixteen,seventeen.stp: New tests. * runtest.sh: Save stdout/stderr of FAIL/XPASS test cases. * Makefile.am (clean-local): Clean up testsuite/. * Makefile.in, aclocal.m4: Regenerated. 2005-07-29 Frank Ch. Eigler From Graydon Hoare * Makefile.am: Make sure stpd goes into libexec/systemtap/ * Makefile.in: Regenerated. 2005-07-29 Frank Ch. Eigler * configure.ac: Fail configure stage if elfutils 0.111+ is not found. * Makefile.am, elaborate.cxx, tapsets.cxx: Unconditionalize. * configure, Makefile.in, config.in: Regenerated. 2005-07-29 Roland McGrath * Version 0.2 distribution. * systemtap.spec.in: Include %{_datadir}/systemtap/tapset directory. (%check): Add section, run make check. * Makefile.am (EXTRA_DIST): Add runtest.sh. * Makefile.in: Regenerated. * systemtap.spec.in: Include man pages. * Makefile.am (man_MANS): Renamed to dist_man_MANS. * configure.ac: Add AM_CONDITIONAL definition of HAVE_LIBDW. * Makefile.am [HAVE_LIBDW] (stap_SOURCES_libdw): New variable. (stap_SOURCES): Use it, moving loc2c.c there. * configure, config.in: Regenerated. * tapsets.cxx: -> * loc2c.c, loc2c.h: Likewise. * main.cxx (main): Check return value of system. * systemtap.spec.in (LDFLAGS): Punt using $ORIGIN here, just hard-code %{_libdir}. (elfutils_version): Bump to 0.111. [bundled_elfutils]: Don't massage libdwfl.h header any more. * configure.ac: Don't check for libelf.h, not actually #include'd. Update -ldw check for merged libdwfl+libdw. (stap_LIBS): New substituted variable. Set only this, not LIBS, with -ldw check. * Makefile.am (stap_LDADD): New variable, use @stap_LIBS@. * Makefile.am (AM_CPPFLAGS): Use ${pkgdatadir}. (AM_CFLAGS): Use -W instead of -Wextra, for gcc 3 compatibility. (stpd_LDFLAGS): Variable removed. (AM_MAKEFLAGS): Variable removed. 2005-07-28 Frank Ch. Eigler * elaborate.cxx (find_var): Correct array dereferencing thinko. 2005-07-28 Graydon Hoare * elaborate.cxx (derived_probe::derived_probe): Accept NULL probe. * staptree.cxx (provide, require): Move from here... * staptree.h: to here, and virtualize deep-copy methods. * translate.cxx (c_unparser::emit_common_header): Include loc2c-runtime.h * tapsets.cxx (dwflpp::iterate_over_modules): Use new, faster getmodules loop. (dwflpp::literal_stmt_for_local): New method, call loc2c. (var_expanding_copy_visitor): New struct which expands $-vars. (dwarf_derived_probe): Rebuild this->body using var expander. (query_function): Refactor logic a bit for speed. * loc2c.{c,h}: Copies (with minor changes) of Roland's work from elfutils CVS. * Makefile.am (AM_CFLAGS): Set to elfutils-style. (stap_SOURCES): Add loc2c.c. * Makefile.in: Regenerate. 2005-07-28 Frank Ch. Eigler * stap.1: Beginnings of a man page. * Makefile.am: Install it. Comment out stpd LDADD goodies. * configure.ac: Futilely complain about non-stpd LIBS. * Makefile.in, configure.in: Regenerated. * main.cxx (usage): Remove ARGS from help text, as nothing is done with these yet. 2005-07-28 Frank Ch. Eigler * translate.cxx: Add "pt_regs*" field to context. * tapsets.cxx (*): Correct kprobes API interface. * testsuite/buildok/three.stp: New test, copied from semok. * Makefile.am (install-data-local): Also install runtime/relayfs, so scripts can build against headers located thereunder. * Makefile.in: Regenerated. 2005-07-28 Frank Ch. Eigler translator/1120 * main.cxx (main): Preset -R and -I options from environment variables (if set). Pass guru mode flags to parser. * parse.cxx (privileged): New parser operation flag. Update callers. (parse_embeddedcode): Throw an error if !privileged. (parse_functiondecl): Change signature. Prevent duplicates. (parse_globals): Ditto. * parse.h: Corresponding changes. * tapset/*.stp: Beginnings of real tapset library, to replace previous builtins. * tapsets.cxx: Greatly reduce verbose mode output. * Makefile.am: Install & dist it. * runtest.sh: Refer to it. * Makefile.in, aclocal.m4: Regenerated. * testsuite/*/*.stp: Set guru mode via /bin/sh if needed. * testusite/*/*ko.stp: Homogenize shell scripts. 2005-07-28 Frank Ch. Eigler translator/1120 translator/1123 * elaborate.cxx (semantic_pass_symbols): Print a more helpful error message around exceptions. * elaborate.h (systemtap_session): Add guru_mode field. * main.cxx (main): Initialize it to false. Add version-sensitive script library searching. Add more failure messages. * tapsets.cxx (dwflpp_assert): Add a decorative text parameter. Update callers. 2005-07-28 Martin Hunt * Makefile.am (install-data-local): Add runtime/transport. * Makefile.in: regenerated. 2005-07-26 Graydon Hoare * elaborate.cxx: Revert builtin-function code. * translate.cxx: Likewise. * tapsets.{h,cxx}: Likewise. 2005-07-26 Martin Hunt * buildrun.cxx (compile_pass): Add -Wno-unused to CFLAGS because usually a module doesn't use every function in the runtime. 2005-07-26 Martin Hunt * Makefile.am (stpd_LDFLAGS): Set rpath correclty because otherwise automake doesn't seem to get it right when binaries are in libexec subdirs. (AM_CPPFLAGS): revert. * systemtap.spec.in (LDFLAGS): Set libexecdir here instead. 2005-07-26 Frank Ch. Eigler Support %{ embedded-c %} * staptree.h (embeddedcode): New statement subtype. Stub support in visitors. * staptree.cxx: Ditto. * parse.cxx: Parse %{ / %}. Accept "_" as identifier leading char. (parse_probe): Simplify calling convention. * elaborate.h: Store embedded code. * elaborate.cxx: Pass it. * translate.cxx: Transcribe it. Return some dropped module init/exit code. * Makefile.am: Add buildok/buildko tests. * Makefile.in: Regenerated. * main.cxx: Return EXIT_SUCCESS/FAILURE even for weird rc. * testsuite/parseok/nine.stp: Test _identifiers. * testsuite/transko/*.stp: Tweak to force -p3 rather than -p2 errors. * testsuite/semok/transko.stp: ... and keep it that way in the future. * testsuite/parse*/*: Some new tests for %{ %}. * testsuite/build*/*: New tests for -p4. 2005-07-26 Martin Hunt * Makefile.am (AM_CPPFLAGS): Set PKGLIBDIR correctly. 2005-07-26 Martin Hunt * systemtap.spec.in: Stpd goes in libexec/systemtap. * Makefile.am (libexecdir): Set to libexecdir/systemtap. * aclocal.m4, Makefile.in: Regenerated 2005-07-25 Roland McGrath * configure.ac: Don't define PKGLIBDIR and PKGDATADIR here. * Makefile.am (AM_CPPFLAGS): New variable, use -D here instead. (dist-hook): Don't remove ChangeLog files. (install-data-local): Don't install docs, just runtime stuff. (rpm, clean-local): Use make variables instead of @substitution@s. * configure, config.in, aclocal.m4, Makefile.in: Regenerated 2005-07-22 Graydon Hoare * translate.cxx (itervar): New class. (*::visit_foreach_loop): Implement. Various bug fixes. * staptree.cxx (deep_copy_visitor::*): Copy tok fields. * elaborate.cxx (lvalue_aware_traversing_visitor): (mutated_map_collector): (no_map_mutation_during_iteration_check): New classes. (semantic_pass_maps): New function to check map usage. (semantic_pass): Call it. * testsuite/transok/eight.stp: Test 'foreach' loop translation. * testsuite/semko/{thirteen,fourteen,fifteen}.stp: Test prohibited forms of foreach loops. 2005-07-21 Martin Hunt * Makefile.am (EXTRA_DIST): Add systemtap.spec. (install-data-local): Install docs and probes. (docs): New target. (rpm): New target. * configure.ac: Set initial version to 0.1.1. (pkglibdir): Set to libexec. * Makefile.in: Regenerated. 2005-07-20 Graydon Hoare * elaborate.{cxx,h} (find_array): Remove. (find_scalar): Rename to find_var, add array support. * staptree.{cxx,h} (vardecl::compatible_arity): New method. * translate.cxx: Refactor, add array read/write support. * testsuite/transok/three.stp: Uncomment array uses. * testsuite/transok/seven.stp: New test of array r/w. 2005-07-20 Frank Ch. Eigler * tapsets.cxx (*::emit_[de]registrations): Add logic for probe lifecycle control (session_state). * translate.cxx (emit_common_header,emit_module_{init,exit}): Ditto. (visit_*): Use per-context errorcount. 2005-07-19 Frank Ch. Eigler * Makefile.am (dist-hook): Complete the resulting tarball. * Makefile.in: Regenerated. 2005-07-19 Frank Ch. Eigler * translate.cxx (emit_module_init/exit, translate_pass): Conform to newer runtime startup/shutdown hooks. 2005-07-15 Frank Ch. Eigler * Makefile.am (install-data-local): Correct typo. * buildrun.cxx (compile_pass): Ditto. * main.cxx (main): Print errors if passes 4 or 5 fail. 2005-07-14 Frank Ch. Eigler * buildrun.cxx (compile_pass, run_pass): Get closer to a working test_mode. * translate.cxx (emit_module_init, emit_common_header): Ditto. (translate_pass): Ditto. 2005-07-14 Frank Ch. Eigler * Makefile.am (stpd): Install in $pkglibdir. (runtime): Copy to $pkgdatadir. * configure.ac: Pass along pkgdatadir and pkglibdir. * main.cxx: Default runtime_path from pkgdatadir. * buildrun.cxx (run_pass): Correct stpd directory. * Makefile.in, configure, config.in: Regenerated. 2005-07-12 Graydon Hoare * elaborate.cxx (semantic_pass_symbols): Only enter body if non-null. (semantic_pass_types): Likewise. (semantic_pass): Pass session to register_standard_tapsets. * translate.cxx (builtin_collector): New struct. (hookup_builtins): New function. (translate_pass): Only translate functions with bodies. (c_unparser::emit_common_header): Likewise, and call hookup_builtins. * tapsets.hh (builtin_function): New class. (register_standard_tapsets): Change parameter to session. * tapsets.cc (bultin_function::*): Implement class. (register_standard_tapsets): Register printk, log, warn. * testsuite/transok/six.stp: New test. 2005-07-12 Frank Ch. Eigler * buildrun.cxx (compile_pass): Make non-verbose mode quieter. (run_pass): Spawn stpd for dirty work. * Makefile.am: Also build stpd into libexecdir. * configure.ac: Pass LIBEXECDIR. * Makefile.in, configure, config.in: Regenerated. * AUTHORS: Update. 2005-07-11 Graydon Hoare * staptree.cxx (require): Generally handle null pointers in src. (deep_copy_visitor::visit_if_statement): Revert fche's change. 2005-07-11 Frank Ch. Eigler * parse.cxx (parse_literal): Compile cleanly on 64-bit host. * staptree.cxx (deep_copy_visitor::visit_if_statement): Don't freak on a null if_statement.elseblock. 2005-07-07 Graydon Hoare * staptree.{h,cxx} (deep_copy_visitor): New visitor. * elaborate.cxx (derived_probe::derived_probe): (alias_expansion_builder::build): Use it. * testsuite/semok/fifteen.stp: New test which relies on deep copy. 2005-07-07 Frank Ch. Eigler * Makefile.am (dist): Package up the source tree, including testsuite and runtime. * main.cxx: Use clog instead of cerr for logging messages. * buildrun.cxx: Ditto. (compile_pass): Add -Iruntime/user for test mode. * translate.cxx (*): Commonalize test/real mode output. * Makefile.in: Regenerated. 2005-07-05 Graydon Hoare * elaborate.{h,cxx}: Revert previous changes. * tapsets.{h,cxx}: Adapt to verbose as a member of session. * elaborate.cxx (alias_expansion_builder::build): Avoid copying locals between alias definition and use. * testsuite/semok/{twelve,thirteen,fourteen}.stp: New tests. * staptree.cxx (probe_alias::printsig): Print equals sign. 2005-07-05 Frank Ch. Eigler * elaborate.h (systemtap_session): Add more command-line arguments. * staptree.h (verbose): Bad global, no donut. * elaborate.cxx: Temporarily disable verbose variable access. * main.cxx: Support more arguments, build/run passes. Revamp temporary file generation and partial-pass output generation. * tapsets.cxx, translate.cxx: Emit just enough extra punctuation and fluff to make generated probe pass -Werror. * buildrun.cxx, buildrun.h: New files for passes 4/5. Partial support for build pass, nothing on probe execution yet. * testsuite/transok/*.stp: Force just -p3, now that -p4/5 exist. * Makefile.am, Makefile.in: Corresponding changes. 2005-07-04 Graydon Hoare * elaborate.h (symresolution_info::current_derived_probe): New field. (symresolution_info::current_probe): Change type. * elaborate.cxx (semantic_pass_symbols): Add passes for resolving locals in pre-derivation base probes and pre-expansion aliases. (symresolution_info::visit_symbol): (symresolution_info::find_scalar): Update to match new field. 2005-06-27 Graydon Hoare * staptree.{h,cxx} (probe_alias): New structure. * parse.{h,cxx} (parser::parse): Parse probes or probe aliases. (parser::parse_probe): Likewise. * tapsets.{h,cxx}: (derived_probe_builder): (match_key): (match_node): (alias_derived_probe): Move from here, * elaborate.{h,cxx}: to here. * elaborate.h (systemtap_session::pattern_root): New member. (register_library_aliases): New function. * tapsets.cxx: Build one dwarf_derived_probe per target address. 2005-06-23 Graydon Hoare * tapsets.cxx (probe_type): New enum. (probe_spec): New struct. (dwarf_derived_probe): Reorganize a bit, interpret .return. (query_statement): Translate addresses back to module space. (probe_entry_function_name): (probe_entry_struct_kprobe_name): (foreach_dwarf_probe_entry): (declare_dwarf_kernel_entry): (deregister_dwarf_kernel_entry): (register_dwarf_kernel_entry): (register_dwarf_module): (declare_dwarf_module_entry): (deregister_dwarf_module_entry): (register_dwarf_module_entry): New functions. (dwarf_derived_probes::emit_probe_entries): (dwarf_derived_probes::emit_registrations): (dwarf_derived_probes::emit_deregistrations): Implement. 2005-06-21 Frank Ch. Eigler * config.in, configure: Regenerated. * tapsets.cxx: Make dwarf code conditional on new elfutils header. 2005-06-20 Graydon Hoare * configure.ac: Scan for libdwfl. * staptree.h (verbose): New global. * main.cxx (usage, main): Implement -v option. * tapsets.cxx (dwflpp): New struct. (query_statement): New function. (query_function): New function. (query_cu): New function. (query_module): New function. (dwarf_derived_probe): Implement primary forms. 2005-06-14 Graydon Hoare * tapsets.h: New file. (derived_probe_builder): Callback for making derived probes. (match_key): Component of pattern-matching tree. (match_node): Other component of pattern-matching tree. * tapsets.cxx: Add pattern-matching system for probes. (alias_derived_probe): Skeleton for alias probes. (dwarf_derived_probe): Skeleton for dwarf probes. (register_standard_tapsets): Registry for standard tapsets. 2005-06-13 Frank Ch. Eigler Start separating out translator-side probe point recognition. * tapsets.cxx: New file. (be_derived_probe): Support for begin/end probes. (derive_probe): Ditto. Reject anything unrecognized. * translator.cxx: Move out old code. * Makefile.am: Add new source file. * testsuite/semok/*: Switch to begin/end probes only. 2005-06-08 Frank Ch. Eigler systemtap/916 Implement all basic scalar operators, including modify-assignment. * parse.cxx (lexer): Allow multi-character lookahead in order to scan 1/2/3-character operators. (parse_boolean_or/and/xor/shift): New routines. * translate.cxx (visit_assignment, visit_binary_expression, visit_*_crement): Generally rewrote. (visit_*): Added more parentheses in output. (emit_module_init): Initialize globals. * staptree.h, elaborate.cxx, elaborate.h: Remove exponentiation. * main.cxx (main): Add an end-of-line to output file. * testsuite/*: Several new tests. 2005-06-05 Frank Ch. Eigler Implement for/next/continue/break/while statements. * staptree.h: Declare new 0-arity statement types. Tweak for_loop. * parse.cxx: Parse them all. * translate.cxx (c_unparser): Maintain break/continue label stack. (visit_for_loop, *_statement): New implementations. * elaborate.*, staptree.cxx: Mechanical changes. * testsuite/parseok/ten.stp, semko/twelve.stp, transko/two.stp, transok/five.stp: New tests. 2005-06-03 Frank Ch. Eigler * elaborate.cxx (find_*): Remove arity checks from here ... * staptree.cxx (set_arity): Put arity match assertion here. * testsuite/semko/{six,nine}.stp: Confirm logic. * testsuite/transko/one.stp: First translation-time ko test. 2005-06-03 Frank Ch. Eigler * TODO: Removed entries already represented in bugzilla. * elaborate.cxx: Rewrite type inference for several operators. * main.cxx (main): For -p2 runs, print types of function/probe locals. * parse.cxx (scan): Identify more two-character operators. (parse_comparison): Support the whole suite. * translate.cxx (visit_unary_expression, logical_or_expr, logical_and_expr, comparison,ternary_expression): New support. * testsuite/parseok/semok.stp: Clever new test. * testsuite/transok/four.stp: New test. * testsuite/*: Some tweaked tests for syntax changes. 2005-06-03 Frank Ch. Eigler * parse.cxx (scan): Support C and C++ comment styles. * testsuite/parseok/four.stp: Test them some ... * testsuite/parseko/nine.stp: ... and some more. 2005-06-02 Frank Ch. Eigler * translate.cxx (visit_concatenation, visit_binary_expression): New basic implementation. (*): Reduce emitted whitespace and remove `# LINE "FILE"' lines. 2005-06-02 Frank Ch. Eigler Parse foreach construct. Added fuller copyright notices throughout. * staptree.h (foreach_loop): New tree node type. * staptree.cxx: Print it, visit it, love it, leave it. * parse.cxx: Parse it. (parse_stmt_block): Don't require ";" separators between statements. (parse_array_in): Use [] as index group operator instead of (). * elaborate.cxx (visit_foreach_loop): New code. * translate.cxx: Slightly tighten errorcount/actioncount handling. * main.cxx: Accept "-" as script file name standing for stdin. (visit_arrayindex): Switch to simpler set_arity call. * configure.ac: Generate DATE macro. * Makefile.in, configure, config.in: Regenerated. * testsuite/*: New/updated tests for syntax changes, foreach (). 2005-05-30 Frank Ch. Eigler More fully parse & elaborate "expr in array" construct. * staptree.h (array_in): Make this unary. Update .cxx to match. * parse.cxx (parse_array_in): Rewrite. (parse_symbol_plain): Removed. Update .h to match. * elaborate.cxx (typeresolution_info::visit_array_in): New function. (find_array): Tentatively, accept arity=0. * translate.cxx (c_unparser::c_assign): New functions to eliminate much ugly duplication. Use throughout. (visit_symbol): Correct function formal argument search. (c_tmpcounter*::visit): Add missing recursion in several functions. * testsuite/*: Add new tests for array-in construct. Add the first "transok" test. * Makefile.am: Add transok tests. * Makefile.in: Regenerated. 2005-05-26 Frank Ch. Eigler * translate.cxx: Traverse trees just for common-header generation, to emit explicit temp variables into context. Switch to explicit "frame" pointer in generated function/probe bodies. Initialize locals in function bodies. Rename "test_unparser" to "c_unparser" throughout. 2005-05-24 Frank Ch. Eigler * elaborate.cxx (find_array): Support automagic tapset globals. * testsuite/semok/nine.stp: Test it. * staptree.cxx (stapfile print): List globals. 2005-05-24 Frank Ch. Eigler * testsuite/semlib/*: New tapset library chunks for "-I" testing. * testsuite/semok/eight.stp, nine.stp: New tests. 2005-05-22 Frank Ch. Eigler * Makefile.am (gcov): New target to generate test-coverage data from a testsuite run. * Makefile.in: Regenerated. 2005-05-20 Frank Ch. Eigler Many changes throughout. Partial sketch of translation output. * elaborate.*: Elaboration pass. * translate.*: Translation pass. * staptree.*: Simplified for visitor concept. * main.cxx: Translator mainline. * *test.cxx: Removed. * testsuite/*: Some new tests, some changed for newer syntax. 2005-05-05 Frank Ch. Eigler * parse.cxx (parse): Add helper methods. (lexer::scan, parse_assignment): Parse "<<<" operator. Fix assignment associativity. (parse_symbol): Permit function with empty arg list. (parse_global, parse_statement, parse_functiondecl): Expect unconsumed leading keyword. (parse_global): Don't use ";" termination. * parse.h: Corresponding changes. * staptree.cxx (binary_expression::resolve_types): Fix <<< type inference. (translator_output): Improve pretty-printing. (*): Add general visitors to statement/expression types. * staptree.h: Corresponding changes. Tweak symresolution_info fields. Add semantic_error class. * semtest.cxx: Adapt to this. * testsuite/parseok/two.stp, semok/*.stp: Adapt to syntax changes. 2005-03-15 Frank Ch. Eigler * semtest.cxx: Print probe signatures properly. * staptree.cxx (probe::printsig): New function. 2005-03-15 Frank Ch. Eigler * TODO: New file. Include some probe-point-provider syntax examples. * parse.cxx (lexer::scan, parser::parse_literal): Support hex, octal numbers via strtol. (parse_probe, parse_probe_point): Modify for dotted syntax. * staptree.cxx: Ditto. * parsetest.cxx, semtest.cxx: Print parse/sem results even if .stp files were given on command line. * parse.h, staptree.h: Rename probe_point_spec -> probe_point. * runtest.sh: New test-runner front-end script. * Makefile.am: Use it for TESTS_ENVIRONMENT. * testsuite/*: Update probe point syntax. Add a bunch of new tests. 2005-03-04 Frank Ch. Eigler * parse.cxx (scan): Support '$' characters in identifiers. (parse_symbol): Support thread-> / process-> shorthand. * staptree.cxx (symresolution_info::find): Split up into find_scalar, find_array, find_function. (resolve_symbols): Call the above for symbol/arrayindex/functioncall. (find_scalar): Add stub support for synthetic builtin variables. * staptree.h: Corresponding changes. * testsuite/*: Some new tests. 2005-03-03 Frank Ch. Eigler * parse.cxx (parse_assignment): Assert lvalueness of left operand. * staptree.h (expression): Add is_lvalue member. * staptree.cxx (functioncall::resolve_types): Don't crash on formal-vs-actual argument count mismatch. (*): Add some is_lvalue stub functions. * testsuite/*: Some new tests. 2005-03-01 Frank Ch. Eigler * parse.cxx: Implement left-associativity for several types of operators. Add some more statement types. Parse functions. Be able to print tokens. Simplify error generating functions. Save tokens in all parse tree nodes. * parse.h: Corresponding changes. * staptree.cxx: Move tree-printing functions here. Add many new functions for symbol and type resolution. * staptree.h: Corresponding changes. * semtest.cxx: New semantic analysis pass & test driver. * testsuite/sem*/*: New tests. * parsetest.cxx: Separated parse test driver. * testsuite/parse*/*: Adapt tests to parsetest driver. * Makefile.am: Build semtest. Run its tests. * Makefile.in: Regenerated. 2005-02-11 Frank Ch. Eigler * parse.cxx, parse.h: New files: parser. * staptree.h: New file: semantic object declarations. * staptree.cxx: New dummy driver file.