diff options
Diffstat (limited to 'ChangeLog')
| -rw-r--r-- | ChangeLog | 349 |
1 files changed, 347 insertions, 2 deletions
@@ -1,3 +1,344 @@ +2008-06-23 Frank Ch. Eigler <fche@elastic.org> + + * 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 <dsmith@redhat.com> + + * 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 <scox@redhat.com> + + * 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 <wcohen@redhat.com> + + * stapfuncs.5.in: Add documentation for tapset/dev.stp functions. + +2008-06-18 Josh Stone <joshua.i.stone@intel.com> + + 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 <fche@elastic.org> + + * tapsets.cxx (print_locals): Produce nothing instead of + "(alternatives: (none found))" if no alternatives were found. + +2008-06-16 Frank Ch. Eigler <fche@elastic.org> + + * 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 <scox@redhat.com> + + * elaborate.cxx (semantic_pass_opt2): Only create function + alternatives if needed. Overload compare. + +2008-06-13 Stan Cox <scox@redhat.com> + + * 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 <joshua.i.stone@intel.com> + + * 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 <fche@elastic.org> + + * main.cxx (main): Print generated module name for "-m FOO" + runs also. Stop warning about this implying uncached operation. + +2008-06-12 Stan Cox <scox@redhat.com> + + * elaborate.cxx (print_warning): Make parameter a const. + +2008-06-11 Frank Ch. Eigler <fche@elastic.org> + + * Makefile.am (EXTRA_DIST): Add dwarf_wrappers.h. + +2008-06-11 Mark Wielaard <mwielaard@redhat.com> + + * 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 <fche@elastic.org> + + * elaborate.cxx (print_warning): Use session.seen_warnings[]. + +2008-06-10 Stan Cox <scox@redhat.com> + + * elaborate.cxx (print_warning): New. + * elaborate.cxx (semantic_pass_opt1): Use it. + +2008-06-11 Tim Moore <timoore@redhat.com> + + * 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 <jkenisto@us.ibm.com> + + * 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 <dsmith@redhat.com> + + * tapsets.cxx (utrace_derived_probe_group::emit_probe_decl): + Initializes .vm_callback. + +2008-06-10 Frank Ch. Eigler <fche@elastic.org> + + 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 <fche@elastic.org> + + 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 <fche@elastic.org> + + 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 $NNN. + +2008-06-09 Jim Keniston <jkenisto@us.ibm.com> + + PR 6601 + * tapsets.cxx: For powerpc, reject symbols in .opd + (function descriptor) section. + +2008-06-09 Stan Cox <scox@redhat.com> + + * NEWS: Updated kernel.statement relative line number. + * stapprobes.5.in: Likewise. + +2008-06-09 David Smith <dsmith@redhat.com> + + * tapsets.cxx + (utrace_var_expanding_copy_visitor::visit_target_symbol): Calls + 'syscall_nr' to get the value of '$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 <scox@redhat.com> + + * 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 <dsmith@redhat.com> + + * 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 <srinivasa@in.ibm.com> + *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 <jkenisto@us.ibm.com> + + * testsuite/systemtap.context/num_args.{stp,tcl}: Added. + Same as args.{stp,tcl}, but refs args using *_arg(). + +2008-06-04 Jim Keniston <jkenisto@us.ibm.com> + + 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 <dsmith@redhat.com> + + * 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 <fche@elastic.org> + + PR 6429. + * Makefile.am: Don't link stapio with -ldw. + * Makefile.in: Regenerated. + +2008-05-29 Mark Wielaard <mwielaard@redhat.com> + + * Makefile.am (installcheck): Check that make install was run. + * Makefile.in: Regenerated. + +2008-06-02 Frank Ch. Eigler <fche@elastic.org> + + PR6534 + * translate.cxx (c_unparser::emit_module_init): Use UTS_RELEASE + instead of uts_sem/utsname() as kernel version-checking hack. + +2008-06-02 <brolley@redhat.com> + + * 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 <zhaolei@cn.fujitsu.com> + + * 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 <brolley@redhat.com> + + * stap-client, stap-server: New compile server and client scripts. + +2008-05-30 Srinivasa DS <srinivasa@in.ibm.com> + 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 <jkenisto@us.ibm.com> + + 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 <ananth@in.ibm.com> + + PR 6563 + * tapset/ppc64/registers.stp: Fix powerpc dwarfless argument access + +2008-05-28 Josh Stone <joshua.i.stone@intel.com> + + PR 6529 + * translate.cxx (c_unparser::visit_return_statement): Make sure we + notice errors from evaluating return values. + +2008-05-28 David Smith <dsmith@redhat.com> + + * 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 <joshua.i.stone@intel.com> + + 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 <jkenisto@us.ibm.com> + + 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 <srinivasa@in.ibm.com> + 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 <wenji.huang@oracle.com> * tapsets.cxx (iterate_over_functions): Fix .statement(NUM) regression. @@ -7,6 +348,12 @@ * 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 <dsmith@redhat.com> + + * 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 <fche@elastic.org> PR 6538 @@ -176,8 +523,6 @@ * systemtap.spec.in: Simplify configuration defaults. -2008-04-29 David Smith <dsmith@redhat.com>:ChangeLog - 2008-04-25 David Smith <dsmith@redhat.com> PR 6455. |