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* 2006-12-29 Frank Ch. Eigler <fche@redhat.com>fche2006-12-301-20/+79
| | | | | | | | | | | | | | | 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. 2006-12-29 Frank Ch. Eigler <fche@redhat.com> PR 3523. * buildok/fourteen.stp, fourteen-plus.stp: Tweak & add a test. * systemtap.base/bench.stp: Work around randomized-ordered probes. * systemtap.base/bench.exp: Tighten output requirements.
* 2006-12-21 Josh Stone <joshua.i.stone@intel.com>jistone2006-12-221-6/+23
| | | | | | | | | | | | | | | | | 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.
* 2006-12-19 Frank Ch. Eigler <fche@redhat.com>fche2006-12-191-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | 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. 2006-12-19 Frank Ch. Eigler <fche@redhat.com> PR 3522. * buildok/twentyfive.stp: New test for static $var access.
* 2006-12-08 Josh Stone <joshua.i.stone@intel.com>jistone2006-12-091-16/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | 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. runtime/ * runtime.h (param_set_int64_t, param_get_int64_t, param_check_int64_t): New functions to allow taking module parameters directly as int64_t values. testsuite/ * systemtap.base/global_init.exp, systemtap.base/global_init.stp: New test for checking the timeliness of global initialization.
* 2006-12-06 Josh Stone <joshua.i.stone@intel.com>jistone2006-12-071-1/+3
| | | | | | | | | | | | | | | | | | | | | 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. runtime/ * time.c (stp_timer_reregister): Add a global to control whether the gettimeofday timer should restart itself, for clean shutdown. (__stp_time_timer_callback): Check the global. (_stp_kill_time, _stp_init_time): Set the global. (_stp_gettimeofday_ns): Switch to preempt_enable_no_resched. * time.c (__stp_time_cpufreq_callback): Use the cpu# from the notifier. (_stp_init_time): No need to disable preemption around cpufreq init.
* 2006-11-26 Frank Ch. Eigler <fche@redhat.com>fche2006-11-261-0/+3
| | | | | | | | | | | | 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 <fche@elastic.org>fche2006-11-211-6/+21
| | | | * translate.cxx (emit_module_init): Adapt to 2.6.19 utsname().
* 2006-11-21 Frank Ch. Eigler <fche@elastic.org>fche2006-11-211-0/+25
| | | | | | PR 3556. * translate.cxx (emit_module_init): Emit code to check system_utsname against translate-time version/machine strings.
* 2006-11-17 Frank Ch. Eigler <fche@redhat.com>fche2006-11-171-2/+4
| | | | | | | | | | | | | * 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. 2006-11-17 Frank Ch. Eigler <fche@redhat.com> * semko/thirtysix.stp, transko/three.stp: New tests.
* 2006-11-08 Frank Ch. Eigler <fche@elastic.org>fche2006-11-081-1/+2
| | | | | | | * 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 <fche@elastic.org>fche2006-11-081-33/+6
| | | | | | * 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.
* 2006-11-06 Martin Hunt <hunt@redhat.com>hunt2006-11-061-16/+9
| | | | | * translate.cxx (var::init): Check for errors when allocating arrays of stats, as well as other arrays.
* 2006-11-06 David Smith <dsmith@redhat.com>dsmith2006-11-061-9/+98
| | | | | | | | | | | | | | | | | | | | | | | 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.
* New dynamic module and symbol handling code.hunt2006-11-021-3/+10
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* 2006-11-01 <dsmith@redhat.com>dsmith2006-11-011-1/+10
| | | | | | | | | | | | | | * 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 <fche@redhat.com>fche2006-11-011-40/+136
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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.
* 2006-10-12 Martin Hunt <hunt@redhat.com>hunt2006-10-121-2/+4
| | | | | | | | | | | * 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.
* 2006-09-18 Martin Hunt <hunt@redhat.com>hunt2006-09-181-1/+6
| | | | | | * buildrun.cxx (run_pass): Remove "-m" option to stpd. * translate.cxx (translate_pass): #define STP_RELAYFS_MERGE if appropriate.
* Systemtap perfmon support to access the processors perfmon hardware.wcohen2006-09-121-0/+3
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* 2006-09-08 David Smith <dsmith@redhat.com>dsmith2006-09-081-99/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 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.
* 2006-08-28 David Smith <dsmith@redhat.com>dsmith2006-08-281-5/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 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.
* 2006-08-10 David Smith <dsmith@redhat.com>dsmith2006-08-101-29/+58
| | | | | | | | | | | | * 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).
* Revert my former changes to lket_trace_extra() in translator.guanglei2006-06-091-4/+1
| | | | | a new way of allowing user add arbitrary trace data. And also provide a way of letting user write the trace data format.
* 2006-06-02 Frank Ch. Eigler <fche@elastic.org>fche2006-06-021-1/+1
| | | | | | | | | | | | | | 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.
* make user able to append extra trace data. The way of logging backtrace is ↵guanglei2006-06-011-1/+4
| | | | | | | | also changed. lket_trace_extra() and lket_backtrace() are introduced for these two purpose. I also modified lket.5.in for the backtrace changes
* 2006-05-24 Frank Ch. Eigler <fche@elastic.org>fche2006-05-251-2/+1
| | | | | | | | | 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.
* 2006-05-18 Frank Ch. Eigler <fche@elastic.org>fche2006-05-181-35/+46
| | | | | | | | | | | | | | | | | | | | | | | 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.
* 2006-05-15 Frank Ch. Eigler <fche@elastic.org>fche2006-05-161-5/+5
| | | | | | | | | * 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().
* Print out information to make it easier to determine which probewcohen2006-05-091-2/+7
| | | | in script associated with timing information.
* 2006-05-05 David Smith <dsmith@redhat.com>dsmith2006-05-051-1/+8
| | | | | * translate.cxx (mapvar::exists): Added code for string array handling. Otherwise, string array elements always exist.
* Move closing '}' inside #ifdef.wcohen2006-05-021-1/+1
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* "-t" option to collect information the number of times a probe runs andwcohen2006-05-021-0/+32
| | | | the average amount of time spent in the probe.
* 2006-05-01 Frank Ch. Eigler <fche@elastic.org>fche2006-05-011-3/+4
| | | | | * translate.cxx (visit_print_format): Fix regression in "printf" pseudo-result initialization.
* 2006-04-30 Frank Ch. Eigler <fche@elastic.org>fche2006-05-011-78/+60
| | | | | | | | | | | | | | | 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. 2006-05-01 Frank Ch. Eigler <fche@elastic.org> * systemtap.maps/absentstats.*: Rewrite. * systemtap.maps/ix_clear*.exp: Update error message.
* 2006-04-23 Eugene Teo <eteo@redhat.com>eteo2006-04-231-2/+8
| | | | | | PR 2149 * translate.cxx (mapvar::set): Test _stp_map_set_xx() for array overflows.
* 2006-04-21 Eugene Teo <eteo@redhat.com>eteo2006-04-221-3/+10
| | | | | | PR 1326 * translate.cxx (c_unparser::visit_binary_expression): Handle negative left and right shift count.
* 2006-04-21 Frank Ch. Eigler <fche@elastic.org>fche2006-04-211-7/+9
| | | | | | | | | | | | | | | | | 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.
* 2006-04-18 Frank Ch. Eigler <fche@elastic.org>fche2006-04-181-13/+47
| | | | | | | | | | | | | | | | | 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 Frank Ch. Eigler <fche@elastic.org> * conversions.stp (string, hex_string): Use snprintf for safety. 2006-04-18 Frank Ch. Eigler <fche@elastic.org> * systemtap.samples/control_limits.stp: Adapt to new action counting.
* 2006-04-12 Martin Hunt <hunt@redhat.com>hunt2006-04-121-1/+5
| | | | | | | 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 <hunt@redhat.com>hunt2006-04-111-1/+1
| | | | | * translate.cxx (visit_print_format): Call _stp_snprintf() instead of snprintf().
* 2006-04-09 Martin Hunt <hunt@redhat.com>hunt2006-04-101-15/+1
| | | | | | | | | | | | | | | | | | 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'
* 2006-03-29 Josh Stone <joshua.i.stone@intel.com>jistone2006-03-301-0/+1
| | | | | | | | | | | * 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.
* 2006-03-13 Frank Ch. Eigler <fche@elastic.org>fche2006-03-131-4/+4
| | | | | * translate.cxx (emit_globals): Tag globals, especially the locks, as __cacheline_aligned.
* 2006-03-09 Frank Ch. Eigler <fche@elastic.org>fche2006-03-091-0/+3
| | | | | * translate.cxx (emit_locks): Emit dummy references to unlock_ ... (emit_module_init): ... and probe_point.
* 2006-02-25 Frank Ch. Eigler <fche@elastic.org>fche2006-02-251-11/+40
| | | | | | | * 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 <fche@elastic.org>fche2006-02-231-5/+28
| | | | | | | | | | | | | | | 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.
* 2006-02-15 Frank Ch. Eigler <fche@elastic.org>fche2006-02-151-143/+21
| | | | | * translate.cxx (varlock*): Removed now unnecessary class. (aggregation_locks): Renamed field to aggregations_active.
* 2006-01-31 Josh Stone <joshua.i.stone@intel.com>jistone2006-01-311-1/+1
| | | | | | PR 2252 * translate.cxx (translate_pass): Fix legacy definition of read_trylock.
* 2006-01-27 Frank Ch. Eigler <fche@elastic.org>fche2006-01-281-5/+5
| | | | | | | | * 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.
* 2006-01-26 Frank Ch. Eigler <fche@elastic.org>fche2006-01-261-8/+133
| | | | | | | | | | | | | | | | | | | | | 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.