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* Bump copyright years to 2009Josh Stone2009-02-181-1/+1
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* Add high-level support for @cast()ingJosh Stone2009-02-181-0/+64
| | | | | | | | | | | | | | | | | | 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.
* Simplify dead_stmtexpr_removerJosh Stone2009-02-101-2/+2
| | | | | | * staptree.h (update_visitor::require): Add a clearok parameter for optimizing traversers to signal that they're ready for NULL back. * elaborate.cxx (dead_stmtexpr_remover): Convert to an update_visitor.
* Create update_visitor for modifying treesJosh Stone2009-02-101-197/+301
| | | | | | | | | | | | | * staptree.h (update_visitor): A new visitor to make it easier to rewrite parts of a probe or function without making a full copy. * staptree.cxx (update_visitor::*): Each child is recursed with a require() call, and then the parent returns itself with provide(). * staptree.h (deep_copy_visitor): Inherit from update_visitor to get the recursive descent while updating nodes. * staptree.cxx (deep_copy_visitor::*): Use the implicit copy constructors to copy all fields, then defer to update_visitor for the recursion. Referents are still cleared from the copies of symbols and function calls.
* Simplify require() and provide()Josh Stone2009-02-101-135/+82
| | | | | | | * staptree.h (require, provide): Simplify stack operations with less pointer magic, and move to be deep_copy_visitor members. * staptree.h (deep_copy_visitor::deep_copy): Templatize * staptree.cxx, tapsets.cxx: Refactor require/provide callers
* Add Vim modelines for GNU style in stapJosh Stone2009-01-281-0/+1
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* First attempt at printf kernel memory hex dumpElliott Baron2008-12-191-0/+8
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* PR7051: Remove broken printf %n directive supportroot2008-12-051-8/+0
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* PR6851: Added support for %c printf conversion specifier [trying again]Elliott Baron2008-10-201-1/+9
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* trailing whitespace removal, as approved by emacsFrank Ch. Eigler2008-08-281-68/+68
| | | | (add-hook 'before-save-hook 'delete-trailing-whitespace)
* PR6538: fix treatment of initialized globalsFrank Ch. Eigler2008-05-211-1/+6
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* PR6538: warn about read-only variablesFrank Ch. Eigler2008-05-201-3/+30
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* PR6466: broad side-effect free statement elisionFrank Ch. Eigler2008-04-291-0/+8
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* 2008-03-12 Dave Brolley <brolley@redhat.com>brolley2008-03-121-0/+7
| | | | | | PR5897 * staptree.cxx (probe::printsig): If this probe was derived from an alias, call the printsig method of the alias.
* PR5516: assignment to $pointersfche2008-03-031-0/+11
| | | | | | | | | | | | | | | | | | | | | 2008-03-03 Frank Ch. Eigler <fche@elastic.org> 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. 2008-03-03 Frank Ch. Eigler <fche@elastic.org> PR5516 * buildok/twentynine.stp: New test.
* 2008-02-21 Dave Brolley <brolley@redhat.com>brolley2008-02-271-9/+45
| | | | | | | | | | | | | | | | | | | | | | 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.
* 2008-02-13 Dave Brolley <brolley@redhat.com>brolley2008-02-131-2/+2
| | | | | | | | | | | | | | | | | PR5609 * staptree.h (probe::collect_derivation_chain): Now takes vector<probe*>. (probe::get_alias): New virtual method. * elaborate.h (derived_probe::collect_derivation_chain): Now takes vector<probe*>. * staptree.cxx (probe::collect_derivation_chain): Now takes vector<probe*>. Don't cast 'this' to (derived_probe*). * elaborate.cxx (derived_probe::collect_derivation_chain): Now takes vector<probe*>. (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<probe*> on all calls to collect_derivation_chain.
* update copyright years for recent checkinsfche2008-01-281-1/+1
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* PR 5672: fix generated dwarf probe point names from wildcardsfche2008-01-251-0/+8
| | | | | | | | | | 2008-01-25 Frank Ch. Eigler <fche@elastic.org> 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.
* 2008-01-24 Dave Brolley <brolley@redhat.com>brolley2008-01-241-0/+28
| | | | | | | | PR 5017. * staptree.cxx (<cstring>): #include it. (required <indexable *>): Remove 'static' from instantiation and move instantiation to here from... * staptree.h: ...here.
* PR 4936: probe pont conditions part 2; reorg in prep for full rewritingfche2008-01-181-21/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 2008-01-17 Frank Ch. Eigler <fche@elastic.org> 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 Frank Ch. Eigler <fche@elastic.org> PR 4935. * semko/forty.stp, fortyone.stp, fortytwo.stp: New tests. * semok/twentynine.stp: Weaken test since condition expressions have become more tightly constrained.
* PR5017: gcc4.3 build fixesfche2007-12-111-0/+1
| | | | | | | 2007-12-11 Frank Ch. Eigler <fche@elastic.org> * staptree.cxx, staptree.h: More GCC 4.3 build fixes from Eugeniy Meshcheryakov <eugen@debian.org>.
* * conditional probe thinko fix cont'dfche2007-11-261-3/+3
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* 2007-11-20 Masami Hiramatsu <mhiramat@redhat.com>hiramatu2007-11-201-2/+36
| | | | | | | | | | | | | | | | | | | | | | | | | | 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 pointsfche2007-11-201-6/+10
| | | | | | | | | | | | | | | | 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/+9
| | | | | | | | | | | | | * 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.
* 2007-10-02 Frank Ch. Eigler <fche@redhat.com>fche2007-10-021-1/+1
| | | | | | | | | | | | | | | | | | | 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. 2007-10-02 Frank Ch. Eigler <fche@redhat.com> PR 5078 * semok/twentysix.stp, systemtap.base/beginenderror.*: New tests.
* 2007-09-12 Martin Hunt <hunt@redhat.com>hunt2007-09-121-5/+1
| | | | | | | | | | | | | | 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>jistone2007-08-171-9/+52
| | | | | | | | | | | | | | | | | | | | | | | | | | 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.
* PR 4720wcohen2007-07-021-1/+0
| | | | * staptree.cxx (probe_point::print): Remove stray output.
* Remove stray "\n" from probe_point::print.wcohen2007-06-261-1/+1
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* 2007-06-26 William Cohen <wcohen@redhat.com>wcohen2007-06-261-0/+25
| | | | | | | | | | | | | | | | | | | | 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.
* 2007-06-09 Frank Ch. Eigler <fche@elastic.org>fche2007-06-091-0/+1
| | | | | | PR 4609 From Eugeniy Meshcheryakov <eugen@debian.org> * staptree.cxx: Add #include <algorithm> for gcc 4.3.
* 2007-05-30 Frank Ch. Eigler <fche@redhat.com>fche2007-05-301-0/+28
| | | | | | | | | | | | | | | | 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. 2007-05-30 Frank Ch. Eigler <fche@redhat.com> PR 4567. * systemtap.base/optim.stp, optim.exp: New test.
* 2007-02-19 Frank Ch. Eigler <fche@elastic.org>fche2007-02-191-9/+9
| | | | | | | | | 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>jistone2006-12-221-3/+10
| | | | | | | | | | | | | | | | | 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.
* 2006-12-08 Josh Stone <joshua.i.stone@intel.com>jistone2006-12-091-1/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | 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.
* 2006-11-08 Frank Ch. Eigler <fche@elastic.org>fche2006-11-081-0/+3
| | | | | | | * 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>fche2006-11-081-31/+2
| | | | | | * 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 David Smith <dsmith@redhat.com>dsmith2006-11-061-0/+10
| | | | | | | | | | | | | | | | | | | | | | | 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.
* Revert my former changes to lket_trace_extra() in translator.guanglei2006-06-091-2/+0
| | | | | 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>fche2006-06-021-2/+4
| | | | | | | | | | | | | | 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 ↵guanglei2006-06-011-0/+2
| | | | | | | | also changed. lket_trace_extra() and lket_backtrace() are introduced for these two purpose. I also modified lket.5.in for the backtrace changes
* 2006-05-18 Frank Ch. Eigler <fche@elastic.org>fche2006-05-181-0/+13
| | | | | | | | | | | | | | | | | | | | | | | 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.
* 2006-04-25 Frank Ch. Eigler <fche@elastic.org>fche2006-04-251-11/+17
| | | | | | | | | | | | | | | | | 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.
* 2006-04-09 Martin Hunt <hunt@redhat.com>hunt2006-04-101-5/+21
| | | | | | | | | | | | | | | | | | 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'
* 2006-03-06 Frank Ch. Eigler <fche@elastic.org>fche2006-03-061-2/+4
| | | | | | | PR 2425 * staptree.cxx (varuse_collecting_visitor::visit_embeddedcode): Realize that $var-setter functions have side-effects. * testsuite/transok/tval-opt.stp: New test.
* 2006-02-23 Martin Hunt <hunt@redhat.com>hunt2006-02-231-0/+8
| | | | | | | | | 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.
* 2006-02-14 Frank Ch. Eigler <fche@elastic.org>fche2006-02-141-1/+1
| | | | | | | | | | | | * 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. * queue_stats.stp: New tapset. * systemtap.samples/queue_demo.*: New test.
* 2006-01-26 Frank Ch. Eigler <fche@elastic.org>fche2006-01-261-2/+46
| | | | | | | | | | | | | | | | | | | | | 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.
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