| Commit message (Collapse) | Author | Age | Files | Lines |
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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.
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* systemtap.stress/current.stp: Make module probe optional.
* buildok/four.stp: Ditto.
* buildok/twentyfive.stp: Ditto.
* semok/twelve.stp: Ditto.
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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.
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PR 1570
* NEWS: Document probe handler language change re. inline functions.
* stapprobes.5.in: Likewise.
* tapsets.cxx: Many changes to simplify caches and implement new
handling of inline functions, removed of stubs for future probes.
* elaborate.cxx (derived_probe printsig_nested): New function.
* elaborate.h: Declare it.
* main.cxx (usage): Clarify "-r" meaning.
(main): Tweak related "-p 4" message.
2007-03-30 Frank Ch. Eigler <fche@elastic.org>
PR 1570.
* memory.stp, scheduler.stp, signal.stp, LKET/signal.stp: Adapt
to .inline -> .function change.
2007-03-30 Frank Ch. Eigler <fche@elastic.org>
PR 1570
* */*.stp: Adapt to .inline -> .function change.
* lib/stap_run.exp, stap_run2.exp, stap_run_binary.exp: Shorten
pass/fail dejagnu log lines.
* systemtap.syscall/sys.stp, test.tcl: Make slightly more
compatible and failure more verbose.
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* buildok/twenty.stp, semok/seventeen.stp: Adapt to kernel 2.6.20.
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PR 4171.
* Makefile.am (check, installcheck): Pass build-tree pointers
in environment variables.
* configure.ac: Run separate configury for testsuite/.
* configure, Makefile.in: Regenerated.
2007-03-14 Frank Ch. Eigler <fche@redhat.com>
PR 4171.
* configure.ac, configure, aclocal.m4: New files to permit
testsuite-only build tree.
* Makefile.am (RUNTEST): Arrange a crazy concoction of
environment/make variable for runtest.
* Makefile.in: Regenerated.
* */*.stp: Switch test cases from "./stap" to "stap" throughout.
* lib/systemtap.exp: Assume/trace environment variables.
(stap_run_batch): Add "#! stap"-handling hack.
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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.
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* semko/thirtyfour.stp: Checks for writing to target variable in
.return probe.
* semok/twentyfour.stp: Tests read access to target variable in
.return probe.
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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.
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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.
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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.
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* testsuite/semok/twentyone.stp: New file.
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* parse.cxx (parser::parser): Added initializer for 'context'
member variable.
(tt2str): Added support for new tok_keyword type.
(operator <<): Ignores keyword content when outputting error
message.
(lexer::scan): Recognizes keywords, such as 'probe', 'global',
'function', etc. and classifies them as type 'tok_keyword'. This
causes keywords to become reserved so they cannot be used for
function names, variable names, etc.
(parser::parse): Changed tok_identifier to tok_keyword when looking
for "probe", "global", or "function". Also sets context member
variable which remembers if we're in probe, global, function, or
embedded context.
(parser::parse_probe, parser::parse_statement)
(parser::parse_global, parser::parse_functiondecl)
(parser::parse_if_statement, parser::parse_delete_statement)
(parser::parse_break_statement, parser::parse_continue_statement)
(parser::parse_for_loop, parser::parse_while_loop)
(parser::parse_foreach_loop, parser::parse_array_in): Looks for
tok_keyword instead of tok_identifier.
(parser::parse_probe_point): Allows keywords as part of a probe
name, since "return" and "function" are keywords.
(parser::parse_return_statement): Looks for tok_keyword instead of
tok_identifier. Make sure we're in function context.
(parser::parse_next_statement): Looks for tok_keyword instead of
tok_identifier. Make sure we're in probe context.
* parse.h: Added parse_context enum. Added 'tok_keyword' to
token_type enum. Added parse_context 'context' member variable to
parser class.
* stap.1.in: Because the string() function has been removed,
the 'string()' function reference has been changed to a 'sprint()'
function reference.
* stapex.5.in: Ditto.
* stapfuncs.5.in: The description of the string() and hexstring()
functions has been removed.
* testsuite/buildok/context_test.stp: Calls to the string()
function were converted to sprint() function calls.
* testsuite/buildok/fifteen.stp: Ditto.
* testsuite/buildok/nineteen.stp: Ditto.
* testsuite/buildok/process_test.stp: Ditto.
* testsuite/buildok/task_test.stp: Ditto.
* testsuite/buildok/timestamp.stp: Ditto.
* testsuite/buildok/twentyone.stp: Ditto.
* testsuite/semok/args.stp: Ditto.
* testsuite/semok/seven.stp: Ditto.
* testsuite/buildok/fourteen.stp: Calls to log()/string() were
converted to a call to printf().
* testsuite/buildok/sixteen.stp: Ditto.
* testsuite/buildok/thirteen.stp: Ditto.
* testsuite/buildok/twentythree.stp: Ditto.
* testsuite/buildok/twentytwo.stp: Ditto.
* testsuite/buildok/seven.stp: Calls to the string()
function were converted to sprint() calls. Calls to the
hexstring() function were converted to sprintf() calls.
* testsuite/semok/eleven.stp: Ditto.
* testsuite/buildok/seventeen.stp: Calls to log()/hexstring() were
converted to a call to printf().
* testsuite/semko/nineteen.stp: Ditto.
* testsuite/parseok/three.stp: Because keywords are reserved, a
variable named 'string' was renamed to 'str'.
* testsuite/parseok/two.stp: Because keywords are reserved, a
variable named 'global' was renamed to 'gbl'.
* testsuite/transko/two.stp: Because the parser now checks for
'next' and 'return' statement context, a 'next' statement was
removed from a function and a 'return' statement was removed from
a probe.
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PR 2599.
* elaborate.cxx (visit_assignment): Tolerate null current_expr.
* testsuite/semok/optimize.stp: Add relevant tests.
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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.
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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.
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* tapsets.cxx (blacklisted_p): Tolerate NULL filename parameter.
* src/testsuite/semok/twenty.stp: New test to enumerate everything
dwarfly probeable.
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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.
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PR 1292, by popular request.
* parse.cxx (parse_functiondecl): Allow optional value/param type
declarations.
* stap.1.in: Document this.
* tapset/*.stp: Convert most functions accordingly.
* testsuite/parseok/twelve.stp, semok/seven.stp,
semko/twenty.stp: Test this.
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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.
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* testsuite/parseok/nine.stp: Update
* testsuite/semok/{six,seven,eleven,seventeen}.stp: Update.
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* 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.
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translator/1120
* main.cxx (main): Preset -R and -I options from environment
variables (if set). Pass guru mode flags to parser.
* parse.cxx (privileged): New parser operation flag. Update callers.
(parse_embeddedcode): Throw an error if !privileged.
(parse_functiondecl): Change signature. Prevent duplicates.
(parse_globals): Ditto.
* parse.h: Corresponding changes.
* tapset/*.stp: Beginnings of real tapset library, to replace
previous builtins.
* tapsets.cxx: Greatly reduce verbose mode output.
* Makefile.am: Install & dist it.
* runtest.sh: Refer to it.
* Makefile.in, aclocal.m4: Regenerated.
* testsuite/*/*.stp: Set guru mode via /bin/sh if needed.
* testusite/*/*ko.stp: Homogenize shell scripts.
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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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* 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.
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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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Start separating out translator-side probe point recognition.
* tapsets.cxx: New file.
(be_derived_probe): Support for begin/end probes.
(derive_probe): Ditto. Reject anything unrecognized.
* translator.cxx: Move out old code.
* Makefile.am: Add new source file.
* testsuite/semok/*: Switch to begin/end probes only.
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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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More fully parse & elaborate "expr in array" construct.
* staptree.h (array_in): Make this unary. Update .cxx to match.
* parse.cxx (parse_array_in): Rewrite.
(parse_symbol_plain): Removed. Update .h to match.
* elaborate.cxx (typeresolution_info::visit_array_in): New function.
(find_array): Tentatively, accept arity=0.
* translate.cxx (c_unparser::c_assign): New functions to eliminate
much ugly duplication. Use throughout.
(visit_symbol): Correct function formal argument search.
(c_tmpcounter*::visit): Add missing recursion in several functions.
* testsuite/*: Add new tests for array-in construct. Add the
first "transok" test.
* Makefile.am: Add transok tests.
* Makefile.in: Regenerated.
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* elaborate.cxx (find_array): Support automagic tapset globals.
* testsuite/semok/nine.stp: Test it ...
* testsuite/semlib/g2.stp: ... using this global array.
* staptree.cxx (stapfile print): List globals.
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* testsuite/semlib/*: New tapset library chunks for "-I" testing.
* testsuite/semok/eight.stp, nine.stp: New tests.
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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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2005-05-05 Frank Ch. Eigler <fche@redhat.com>
* parse.cxx (parse): Add helper methods.
(lexer::scan, parse_assignment): Parse "<<<" operator. Fix assignment
associativity.
(parse_symbol): Permit function with empty arg list.
(parse_global, parse_statement, parse_functiondecl): Expect
unconsumed leading keyword.
(parse_global): Don't use ";" termination.
* parse.h: Corresponding changes.
* staptree.cxx (binary_expression::resolve_types): Fix <<<
type inference.
(translator_output): Improve pretty-printing.
(*): Add general visitors to statement/expression types.
* staptree.h: Corresponding changes. Tweak symresolution_info fields.
Add semantic_error class.
* semtest.cxx: Adapt to this.
* testsuite/parseok/two.stp, semok/*.stp: Adapt to syntax changes.
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* TODO: New file. Include some probe-point-provider syntax examples.
* parse.cxx (lexer::scan, parser::parse_literal): Support hex, octal
numbers via strtol.
(parse_probe, parse_probe_point): Modify for dotted syntax.
* staptree.cxx: Ditto.
* parsetest.cxx, semtest.cxx: Print parse/sem results even if
.stp files were given on command line.
* parse.h, staptree.h: Rename probe_point_spec -> probe_point.
* runtest.sh: New test-runner front-end script.
* Makefile.am: Use it for TESTS_ENVIRONMENT.
* testsuite/*: Update probe point syntax. Add a bunch of new tests.
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* parse.cxx (scan): Support '$' characters in identifiers.
(parse_symbol): Support thread-> / process-> shorthand.
* staptree.cxx (symresolution_info::find): Split up into
find_scalar, find_array, find_function.
(resolve_symbols): Call the above for symbol/arrayindex/functioncall.
(find_scalar): Add stub support for synthetic builtin variables.
* staptree.h: Corresponding changes.
* testsuite/*: Some new tests.
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* parse.cxx (parse_assignment): Assert lvalueness of left
operand.
* staptree.h (expression): Add is_lvalue member.
* staptree.cxx (functioncall::resolve_types): Don't crash on
formal-vs-actual argument count mismatch.
(*): Add some is_lvalue stub functions.
* testsuite/*: Some new tests.
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2005-03-01 Frank Ch. Eigler <fche@redhat.com>
* parse.cxx: Implement left-associativity for several types of
operators. Add some more statement types. Parse functions.
Be able to print tokens. Simplify error generating functions.
Save tokens in all parse tree nodes.
* parse.h: Corresponding changes.
* staptree.cxx: Move tree-printing functions here. Add many
new functions for symbol and type resolution.
* staptree.h: Corresponding changes.
* semtest.cxx: New semantic analysis pass & test driver.
* testsuite/sem*/*: New tests.
* parsetest.cxx: Separated parse test driver.
* testsuite/parse*/*: Adapt tests to parsetest driver.
* Makefile.am: Build semtest. Run its tests.
* Makefile.in: Regenerated.
* parse.cxx, parse.h: New files: parser.
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