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* 2006-06-05 Frank Ch. Eigler <fche@elastic.org>fche2006-06-051-9/+14
| | | | | | | | 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 <fche@elastic.org>fche2006-06-021-31/+28
| | | | | | | | | | | 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 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.
* 2006-05-24 David Smith <dsmith@redhat.com>dsmith2006-05-241-12/+36
| | | | | | | | | | | | | | * 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.
* 2006-05-22 David Smith <dsmith@redhat.com>dsmith2006-05-221-25/+27
| | | | | * elaborate.cxx (find_and_build): Fixed issue #2643. Wildcard code was being too optimistic.
* 2006-05-18 Frank Ch. Eigler <fche@elastic.org>fche2006-05-181-7/+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.
* epilogue mode probe aliases supportguanglei2006-05-081-10/+26
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* 2006-04-25 Frank Ch. Eigler <fche@elastic.org>fche2006-04-251-3/+21
| | | | | | | * 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 <fche@elastic.org>fche2006-04-251-7/+49
| | | | | | | | | | | | | | | | | 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 <fche@elastic.org>fche2006-04-241-2/+7
| | | | | | PR 2599. * elaborate.cxx (visit_assignment): Tolerate null current_expr. * testsuite/semok/optimize.stp: Add relevant tests.
* 2006-04-21 Frank Ch. Eigler <fche@elastic.org>fche2006-04-211-0/+7
| | | | | | | | | | | | | | | | | 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.
* 2006-04-09 Martin Hunt <hunt@redhat.com>hunt2006-04-101-2/+4
| | | | | | | | | | | | | | | | | | 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'
* 2006-03-30 Frank Ch. Eigler <fche@elastic.org>fche2006-03-301-2/+3
| | | | | | | | | 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*.
* 2006-02-23 Martin Hunt <hunt@redhat.com>hunt2006-02-231-0/+1
| | | | | | | | | 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>fche2006-02-141-5/+12
| | | | | | | | | | | | * 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.
* 2006-01-27 Frank Ch. Eigler <fche@elastic.org>fche2006-01-281-6/+6
| | | | | | | | * 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>fche2006-01-261-0/+1
| | | | | | | | | | | | | | | | | | | | | 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.
* 2006-01-24 Frank Ch. Eigler <fche@elastic.org>fche2006-01-241-5/+306
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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.
* 2005-12-09 Graydon Hoare <graydon@redhat.com>graydon2005-12-101-1/+1
| | | | | | | | | | | | | | | | * 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.
* 2005-12-05 Frank Ch. Eigler <fche@elastic.org>fche2005-12-051-0/+1
| | | | * *.cxx: Add <cassert> #include as needed.
* 2005-12-02 Graydon Hoare <graydon@redhat.com>graydon2005-12-021-8/+16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | * 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.
* [ChangeLog]graydon2005-11-291-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 2005-11-28 Graydon Hoare <graydon@redhat.com> * 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. [runtime/ChangeLog] 2005-11-28 Graydon Hoare <graydon@redhat.com> * stat-common.c (_stp_stat_print_histogram): Various formatting corrections and aesthetic tweaks. (__stp_stat_add): Correction to linear bucket underflow cases.
* 2005-11-23 Graydon Hoare <graydon@redhat.com>graydon2005-11-241-22/+109
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 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.
* 2005-11-13 Graydon Hoare <graydon@redhat.com>graydon2005-11-141-94/+363
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 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.
* 2005-10-20 Graydon Hoare <graydon@redhat.com>graydon2005-10-201-1/+26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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.
* * verbosify wildcard/alias nested error messagesfche2005-10-181-1/+1
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* 2005-10-17 Frank Ch. Eigler <fche@elastic.org>fche2005-10-181-91/+105
| | | | | | | | | | | | | | | | | | | | 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.
* 2005-10-10 Frank Ch. Eigler <fche@elastic.org>fche2005-10-101-29/+42
| | | | | | * elaborate.cxx (match_node::bind): Improve error message. (register_library_aliases): Catch and verbosify error message. (semantic_pass): Provide a back-up exception catcher.
* * quiet down re alias registrationfche2005-09-271-1/+1
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* 2005-08-21 Frank Ch. Eigler <fche@redhat.com>fche2005-08-211-0/+1
| | | | | | | | | | | | | | | | | 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. 2005-08-21 Frank Ch. Eigler <fche@redhat.com> * arith.c (*): Adapt to last_error context variable.
* 2005-08-19 Frank Ch. Eigler <fche@elastic.org>fche2005-08-191-3/+41
| | | | | | | | | | | | | | | | | PR systemtap/1209 * tapsets.cxx * 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 <linux/timers.h>. * stap.1.in: Document timer.jiffies(N) probe points. * testsuite/buildok/fourteen.stp: New test. 2005-08-19 Frank Ch. Eigler <fche@elastic.org> * arith.c (_stp_random_pm): New function.
* 2005-08-19 Frank Ch. Eigler <fche@elastic.org>fche2005-08-191-19/+0
| | | | * elaborate.cxx (find_var): Remove $pid/$tid builtin logic.
* nonefche2005-08-181-0/+2
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* 2005-08-10 Frank Ch. Eigler <fche@elastic.org>fche2005-08-101-3/+3
| | | | | | | | | | | 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.
* 2005-08-09 Graydon Hoare <graydon@redhat.com>graydon2005-08-101-49/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | * 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 Graydon Hoare <graydon@redhat.com>graydon2005-08-091-6/+69
| | | | | | | | | | | | | | | | | * 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.
* 2005-08-03 Frank Ch. Eigler <fche@redhat.com>fche2005-08-031-1/+29
| | | | | | | | * 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.
* 2005-08-01 Frank Ch. Eigler <fche@elastic.org>fche2005-08-011-36/+33
| | | | | | | | | * 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 <fche@elastic.org>fche2005-08-011-4/+11
| | | | | | | | | | | * 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 <fche@redhat.com>fche2005-07-291-8/+0
| | | | | | * 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.
* 2005-07-28 Frank Ch. Eigler <fche@elastic.org>fche2005-07-291-12/+14
| | | | * elaborate.cxx (find_var): Correct array dereferencing thinko.
* 2005-07-28 Graydon Hoare <graydon@redhat.com>graydon2005-07-291-5/+11
| | | | | | | | | | | | | | | | | | | | | | | * 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 Graydon Hoare <graydon@redhat.com> * loc2c-runtime.h: New file from elfutils CVS.
* 2005-07-28 Frank Ch. Eigler <fche@redhat.com>fche2005-07-281-0/+3
| | | | | | | | | | | | 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.
* 2005-07-26 Graydon Hoare <graydon@redhat.com>graydon2005-07-271-18/+12
| | | | | | * elaborate.cxx: Revert builtin-function code. * translate.cxx: Likewise. * tapsets.{h,cxx}: Likewise.
* 2005-07-26 Frank Ch. Eigler <fche@redhat.com>fche2005-07-261-0/+9
| | | | | | | | | | | | | | | | | | | | | 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.
* 2005-07-22 Graydon Hoare <graydon@redhat.com>graydon2005-07-231-1/+170
| | | | | | | | | | | | | | | * 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.
* 2005-07-20 Graydon Hoare <graydon@redhat.com>graydon2005-07-201-62/+38
| | | | | | | | | * 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.
* 2005-07-12 Graydon Hoare <graydon@redhat.com>graydon2005-07-131-13/+19
| | | | | | | | | | | | | | | | | * 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.
* 2005-07-07 Graydon Hoare <graydon@redhat.com>graydon2005-07-081-10/+13
| | | | | | | | * 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.
* 2005-07-05 Graydon Hoare <graydon@redhat.com>graydon2005-07-061-46/+37
| | | | | | | | | * 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.
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