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* Unify lex_cast* and avoid string copiesJosh Stone2009-09-021-3/+2
| | | | | | | | | | | | | | | We always use lex_cast either to string or from string, so I made that explicit, and got rid of some string copies in the process. There was also stringify(), which was redundant to lex_cast<string>. We also always used lex_cast_hex to string, so that's now hard-coded and again eliminated a string copy. For lex_cast_qstring<string>, there's no need to write the streamify the input, so a specialization now operates directly on the input. Hopefully this is a bit cleaner, and I do measure it to be a little faster on scripts with many probes.
* Support || and && in preprocessor's conditions.Przemyslaw Pawelczyk2009-08-281-16/+30
| | | | | | | | | | * parse.cxx (parser::scan_pp): Add || and &&. * stap.1.in: Document || and && in PREPROCESSING. * testsuite/parseok/twenty.stp: Test case. * testsuite/parseko/preprocess14.stp: Ditto. * testsuite/parseko/preprocess15.stp: Ditto. Signed-off-by: Josh Stone <jistone@redhat.com>
* PR2049: support arbitrary $target-array indexingJosh Stone2009-08-031-3/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Rather than just numeric literals, we can now support arbitrary expressions for the index value. Note that loc2c won't allow this for noncontiguous arrays, as the access methods need to be statically computed, but for contiguous arrays and pointers-as-arrays it works just fine. * staptree.h (target_symbol::component): Add expression_array_index. * staptree.cxx (target_symbol::visit_components): New helper. (target_symbol::assert_no_components): Recognize new array type. (target_symbol::component::print): Print subexpressions. (traversing_visitor::visit_target_symbol, visit_cast_op): Visit the indexing components too. (varuse_collecting_visitor::visit_target_symbol): Ditto. (update_visitor::visit_target_symbol, visit_cast_op): Ditto. * elaborate.cxx (void_statement_reducer::visit_target_symbol): New. (void_statement_reducer::visit_cast_op): Save indexes too. * parse.cxx (parser::parse_target_symbol_components): Parse expressions. * tapsets.cxx (dwarf_var_expanding_visitor::visit_target_symbol): Pass expression-indexes as parameters (indexN) to the dwarf function. (dwarf_cast_expanding_visitor::visit_cast_op): Ditto. (tracepoint_var_expanding_visitor::visit_target_symbol_arg): Ditto. (sdt_var_expanding_visitor::visit_target_symbol): Visit the new @cast. * dwflpp.cxx (dwflpp::translate_components): Use THIS->indexN. * translate.cxx (c_unparser::visit_target_symbol): Correct error msg. * testsuite/systemtap.base/pointer_array.stp: Use a simple index.
* Make a real type for target_symbol->componentsJosh Stone2009-07-311-9/+8
| | | | | | | | | | | | | | | | | | | | Now the dereferences on target_symbol and cast_op are tracked with a struct instead of just a generic pair. The first immediate benefit is that we can track the token for more exact error reporting. * staptree.h (target_symbol): Add a new component type. * staptree.cxx (target_symbol::component::print): New. (operator<<(ostream&, target_symbol::component&): New. (target_symbol::print): Adapt component printing. (cast_op::print): Ditto. * parse.cxx (parser::parse_target_symbol_components): Adapt to the new component construction. * dwflpp.cxx (dwflpp::find_struct_member): take the component as a parameter for a better token in error messages (dwflpp::translate_components): Adapt to the new component type. * tapsets.cxx (dwarf_var_expanding_visitor::visit_target_symbol): Don't overwrite the token in target_symbol saved errors. (tracepoint_var_expanding_visitor::visit_target_symbol_arg): Ditto.
* Refactor parser for target_symbol->componentsJosh Stone2009-07-311-42/+30
| | | | | | | | The components were being parsed for both target_symbols and cast_ops, so this change refactors that code into a single function. * parse.cxx (parser::parse_target_symbol_components): New. (parser::parse_symbol): Use the new function.
* PR5930: Address-op for $target and @cast membersJosh Stone2009-07-151-0/+12
| | | | | | | | | | | | | | | | This allows the '&' operator to get the address of @cast and $target variable expressions. * staptree.h (target_symbol): add addressof field * staptree.cxx (target_symbol::print): print '&' for addressof (cast_op::print): ditto * parse.cxx (parser::parse_value): allow '&' prefix on $target/@cast * dwflpp.cxx (dwflpp::translate_final_fetch_or_store): allow taking the computed address without actually doing a final fetch. * tapset* (*::visit_target_symbol): throw errors for $vars w/o addresses * testsuite/systemtap.base/cast.stp: add &@cast test * testsuite/semok/target_addr.stp: test '&' on different member types * testsuite/semko/target_addr?.stp: test failure on bitfields/registers
* Fix source_loc ostream operator << representation.Mark Wielaard2009-07-101-1/+1
| | | | * parse.cxx (operator << (ostream&,const source_loc&)): Add loc.file->name.
* Remove the filename copy from token->locationJosh Stone2009-07-091-17/+11
| | | | | The location already has a pointer to a stapfile with the filename, so there's no need to keep an extra copy.
* Optimize string usage in the lexerJosh Stone2009-07-091-108/+95
| | | | | This speeds up the parsing stage >2x, mostly by minimizing string construction and comparison where char comparison will do.
* Allow @cast on "struct " and "union " (by ignoring them).Mark Wielaard2009-03-191-0/+6
| | | | | * parse.cxx (parser::parse_symbol): Strip off "struct " or "union " from cop->type.
* Bump copyright years to 2009Josh Stone2009-02-181-1/+1
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* Add high-level support for @cast()ingJosh Stone2009-02-181-1/+48
| | | | | | | | | | | | | | | | | | This handles all of the parsing, traversal, and optimization. It doesn't actually resolve the cast yet though. * staptree.h (struct cast_op, visitor::visit_cast_op): New. * staptree.cxx (cast_op::print/visit, various visitor::visit_cast_op's): Incorporate cast_op into the basic tree operations. * parse.cxx (parser::parse_symbol): Parse @cast operator with an expression operand, type string, and optional module string. * translate.cxx (c_unparser::visit_cast_op): Error out if a @cast survives to translation. * elaborate.cxx (typeresolution_info::visit_cast_op): Error out if a @cast survives to type resolution. (symbol_fetcher::visit_cast_op): treat @casts as a symbol target (void_statement_reducer::visit_cast_op): unused @casts can be discarded, but the operand should still be evaluated.
* Add Vim modelines for GNU style in stapJosh Stone2009-01-281-0/+1
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* PR5376: probe alias parsing tweaksFrank Ch. Eigler2008-11-281-0/+4
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* Display source context for error and warning messages (6701)Rajan Arora2008-10-091-3/+27
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* parser/scanner speedupFrank Ch. Eigler2008-09-101-16/+19
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* trailing whitespace removal, as approved by emacsFrank Ch. Eigler2008-08-281-81/+81
| | | | (add-hook 'before-save-hook 'delete-trailing-whitespace)
* PR6470: new argv[] tapset, docs, test casesFrank Ch. Eigler2008-06-101-13/+9
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* PR6470: fix preprocessor construct nesting/expansion logicFrank Ch. Eigler2008-06-101-46/+78
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* PR6470: fix %( number OP number %? .... %) logicFrank Ch. Eigler2008-06-101-30/+38
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* PR 5955 - Accept ; terminated globalsAnanth N Mavinakayanahalli2008-05-141-0/+3
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* PR5792: wildcard support for %( kernel/arch %) preprocessor operandsfche2008-02-261-16/+40
| | | | | | | | | | | | | | 2008-02-25 Frank Ch. Eigler <fche@elastic.org> PR5792. * parse.cxx (eval_pp_conditional): Support wildcards in %( kernel_v/kernel_vr/arch ==/!= "*foo?" %) operands. * NEWS, stap.1.in: Document this. 2008-02-25 Frank Ch. Eigler <fche@elastic.org> PR5792. * systemtap.base/preprocessor.exp: New test.
* 2007-12-12 Wenji Huang <wenji.huang@oracle.com>wenji2007-12-121-2/+2
| | | | | PR 5470 * parse.cxx (parser::parse_probe_point): Add checking pointer t.
* 2007-12-03 Masami Hiramatsu <mhiramat@redhat.com>hiramatu2007-12-031-37/+18
| | | | | | | | | | | | | 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. * testsuites/perseko/twentytwo.stp: Change testcase to the wildcarded probe points with spaces.
* 2007-11-20 Masami Hiramatsu <mhiramat@redhat.com>hiramatu2007-11-201-0/+18
| | | | | | | | | | | | | | | | | | | | | | | | | | 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.
* PR 3887: sufficient+optional probe pointsfche2007-11-201-3/+5
| | | | | | | | | | | | | | | | 2007-11-19 Frank Ch. Eigler <fche@elastic.org> 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. * parseok/five.stp, semok/twentyseven.stp: Test "!" probe point flag. * iostat-scsi.stp: Adopt "!" probe point flag.
* 2007-11-12 Martin Hunt <hunt@redhat.com>hunt2007-11-121-2/+3
| | | | | | | | | | | | | * 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.
* 2007-09-12 Frank Ch. Eigler <fche@elastic.org>fche2007-09-131-1/+1
| | | | | | | | * parse.cxx (parse_symbol): Accept println(@hist*()). 2007-09-12 Frank Ch. Eigler <fche@elastic.org> * buildok/print_histograms.stp: Test println(@hist*()).
* 2007-09-12 Martin Hunt <hunt@redhat.com>hunt2007-09-121-22/+30
| | | | | | | | | | | | | | 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.
* 2007-08-16 Josh Stone <joshua.i.stone@intel.com>jistone2007-08-171-29/+46
| | | | | | | | | | | | | | | | | | | | | | | | | | 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. testsuite/ * lib/stap_run.exp: Make sure to match the entire output, in case there are multiple pass/fail messages. * buildok/printf.stp: Add lines for new print variants. * parseko/printd01.stp: Make sure that bad printd calls are handled. * parseko/printd02.stp: Ditto. * parseko/printd03.stp: Ditto. * parseko/printd04.stp: Ditto. * systemtap.base/print.stp: Try a bunch of different print calls. * systemtap.base/print.exp: Driver for above.
* 2007-08-07 Frank Ch. Eigler <fche@redhat.com>fche2007-08-081-81/+111
| | | | | | | | | | | | | | | | 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. 2007-08-07 Frank Ch. Eigler <fche@redhat.com> PR 4846 * parseko/preprocess13.stp, parseok/nineteen.stp, semok/twentyfive.stp: New tests.
* 2007-05-31 Frank Ch. Eigler <fche@elastic.org>fche2007-05-311-0/+1
| | | | | | PR 3579 From Eugeniy Meshcheryakov <eugen@debian.org> * cache.cxx, parse.cxx: Add #include <cstring> for gcc 4.3.
* 2007-04-18 Frank Ch. Eigler <fche@elastic.org>fche2007-04-181-9/+9
| | | | * parse.cxx (scan_pp): Correct warnings from if/if/else nesting.
* 2007-04-03 Pierre Peiffer <pierre.peiffer@bull.net>fche2007-04-041-32/+96
| | | | | | | | | | | | | | | * 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 Pierre Peiffer <pierre.peiffer@bull.net> * parseok/fourteen.stp: Add test about $# and @# usage during the preprocessing. * parseko/preprocess10.stp: New test. * parseko/preprocess11.stp: New test. * parseko/preprocess12.stp: New test.
* 2007-04-03 Frank Ch. Eigler <fche@elastic.org>fche2007-04-031-19/+21
| | | | | | | | 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.
* 2007-03-22 Frank Ch. Eigler <fche@elastic.org>fche2007-03-221-1/+3
| | | | | | | | | | | | | | | | | | | | | | | | 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. 2007-03-22 Frank Ch. Eigler <fche@elastic.org> PR 4224. * systemtap.base/probefunc.exp: Use kernel.statement().absolute instead with grep-found schedule_tick address. * semko/thirtyseven.stp, thirtyeight.stp: New tests. * buildok/twentyeight.stp: New test. 2007-03-22 Frank Ch. Eigler <fche@elastic.org> * sym.c (_stp_module_relocate): Tolerate empty section string.
* 2007-02-19 Frank Ch. Eigler <fche@elastic.org>fche2007-02-191-1/+1
| | | | | | | | | PR 4078 and more, including patch from Eugeniy Meshcheryakov <eugen@debian.org>: * Makefile.am (AM_CXXFLAGS, AM_CFLAGS): Add -Wextra -Wall -Werror consistently. * Makefile.in: Regenerated. (*): Many minor warning fixes.
* 2006-12-21 Josh Stone <joshua.i.stone@intel.com>jistone2006-12-221-7/+22
| | | | | | | | | | | | | | | | | 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.
* 2006-12-11 Josh Stone <joshua.i.stone@intel.com>jistone2006-12-111-3/+6
| | | | | * parse.cxx (parse::parse_literal): Enforce the lower bound on negative literals.
* 2006-12-08 Josh Stone <joshua.i.stone@intel.com>jistone2006-12-091-43/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | 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.
* 2006-12-07 Josh Stone <joshua.i.stone@intel.com>jistone2006-12-081-17/+29
| | | | | | | | | | | | | | | | | | | | | | | 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. testsuite/ * systemtap.base/be_order.exp, systemtap.base/be_order.stp, semok/beginend.stp: New tests for begin/end priorities. * lib/stap_run.exp: Anchor OUTPUT_CHECK_STRING to the end of output. * systemtap.base/maxactive.exp: Fix to compare output to the end. * systemtap.base/probefunc.exp: Ditto. * systemtap.samples/ioblocktest.exp: Ditto. * systemtap.samples/ioblocktest.stp: Ditto. * systemtap.samples/tcptest.exp: Ditto.
* 2006-11-06 David Smith <dsmith@redhat.com>dsmith2006-11-061-0/+9
| | | | | | | | | | | | | | | | | | | | | | | 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.
* 2006-09-27 Josh Stone <joshua.i.stone@intel.com>jistone2006-09-281-5/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 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. testsuite/ * buildok/fourteen.stp: Test new timer functionality.
* 2006-09-06 Frank Ch. Eigler <fche@elastic.org>fche2006-09-061-3/+52
| | | | | | | | | | | | | 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. 2006-09-06 Frank Ch. Eigler <fche@elastic.org> * parseok/eighteen.stp, semok/twentythree.stp: New files for testing initialized globals.
* 2006-07-13 David Smith <dsmith@redhat.com>dsmith2006-07-131-1/+19
| | | | | | | | | | | | | | * 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.
* Revert my former changes to lket_trace_extra() in translator.guanglei2006-06-091-11/+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>fche2006-06-021-16/+24
| | | | | | | | | | | | | | 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/+12
| | | | | | | | also changed. lket_trace_extra() and lket_backtrace() are introduced for these two purpose. I also modified lket.5.in for the backtrace changes
* 2006-05-25 Josh Stone <joshua.i.stone@intel.com>jistone2006-05-251-14/+27
| | | | | * parse.cxx (parser::scan_pp): Free memory for tokens that are thrown away in the preprocessing stage.
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