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PR systemtap/1134
* elaborate.h (module_fds): New member in systemtap_session.
* tapsets.cxx (dwarf_derived_probe ctor): Open /sys/module/$MOD/.text
for the duration of a systemtap session, to lock module in memory.
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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.
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* 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.
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* 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.
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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.
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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.
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* 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.
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* 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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* elaborate.h (systemtap_session): Add more command-line arguments.
* staptree.h (verbose): Bad global, no donut.
* elaborate.cxx: Temporarily disable verbose variable access.
* main.cxx: Support more arguments, build/run passes. Revamp
temporary file generation and partial-pass output generation.
* tapsets.cxx, translate.cxx: Emit just enough extra punctuation
and fluff to make generated probe pass -Werror.
* buildrun.cxx, buildrun.h: New files for passes 4/5. Partial
support for build pass, nothing on probe execution yet.
* testsuite/transok/*.stp: Force just -p3, now that -p4/5 exist.
* Makefile.am, Makefile.in: Corresponding changes.
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* elaborate.h (symresolution_info::current_derived_probe): New field.
(symresolution_info::current_probe): Change type.
* elaborate.cxx (semantic_pass_symbols): Add passes for resolving
locals in pre-derivation base probes and pre-expansion aliases.
(symresolution_info::visit_symbol):
(symresolution_info::find_scalar): Update to match new field.
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* staptree.{h,cxx} (probe_alias): New structure.
* parse.{h,cxx} (parser::parse): Parse probes or probe aliases.
(parser::parse_probe): Likewise.
* tapsets.{h,cxx}:
(derived_probe_builder):
(match_key):
(match_node):
(alias_derived_probe): Move from here,
* elaborate.{h,cxx}: to here.
* elaborate.h (systemtap_session::pattern_root): New member.
(register_library_aliases): New function.
* tapsets.cxx: Build one dwarf_derived_probe per target address.
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systemtap/916
Implement all basic scalar operators, including modify-assignment.
* parse.cxx (lexer): Allow multi-character lookahead in order to
scan 1/2/3-character operators.
(parse_boolean_or/and/xor/shift): New routines.
* translate.cxx (visit_assignment, visit_binary_expression,
visit_*_crement): Generally rewrote.
(visit_*): Added more parentheses in output.
(emit_module_init): Initialize globals.
* staptree.h, elaborate.cxx, elaborate.h: Remove exponentiation.
* main.cxx (main): Add an end-of-line to output file.
* testsuite/*: Several new tests.
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Implement for/next/continue/break/while statements.
* staptree.h: Declare new 0-arity statement types. Tweak for_loop.
* parse.cxx: Parse them all.
* translate.cxx (c_unparser): Maintain break/continue label stack.
(visit_for_loop, *_statement): New implementations.
* elaborate.*, staptree.cxx: Mechanical changes.
* testsuite/parseok/ten.stp, semko/twelve.stp, transko/two.stp,
transok/five.stp: New tests.
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Parse foreach construct. Added fuller copyright notices throughout.
* staptree.h (foreach_loop): New tree node type.
* staptree.cxx: Print it, visit it, love it, leave it.
* parse.cxx: Parse it.
(parse_stmt_block): Don't require ";" separators between statements.
(parse_array_in): Use [] as index group operator instead of ().
* elaborate.cxx (visit_foreach_loop): New code.
* translate.cxx: Slightly tighten errorcount/actioncount handling.
* main.cxx: Accept "-" as script file name standing for stdin.
(visit_arrayindex): Switch to simpler set_arity call.
* configure.ac: Generate DATE macro.
* Makefile.in, configure, config.in: Regenerated.
* testsuite/*: New/updated tests for syntax changes, foreach ().
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2005-05-20 Frank Ch. Eigler <fche@redhat.com>
Many changes throughout. Partial sketch of translation output.
* elaborate.*: Elaboration pass.
* translate.*: Translation pass.
* staptree.*: Simplified for visitor concept.
* main.cxx: Translator mainline.
* *test.cxx: Removed.
* testsuite/*: Some new tests, some changed for newer syntax.
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