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2007-10-02 Frank Ch. Eigler <fche@redhat.com>
PR 3635
* translate.cxx (emit_global): Wrap all globals and locks into one
top-level struct. Update references to former "global_VAR" prefix.
* translate.h (emit_global_init): New function.
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PR 2339
* translate.cxx: Renamed "qname" to "value" throughout, since
there are times now when qname would refer to a constant value.
(tmpvar::override): Added function to allow for overriding a
temporary variable name with a string.
(tmpvar::value): New function that returns either the overridden
string or the temporary variable name.
(c_unparser::c_expression): New function.
(c_unparser_assignment::c_assignop): Speed up assignment when
numeric or string constants are used.
(c_tmpcounter::visit_block): Avoid empty structs inside the union
of temporary variables.
(c_tmpcounter_assignment::prepare_rvalue): New function.
(c_tmpcounter_assignment::c_assignop): New function.
(c_tmpcounter_assignment::visit_symbol): Update temporary
declarations.
(c_unparser_assignment::prepare_rvalue): Speed up use of rvalues
by using numeric and string constants directly instead of copying
them to temporaries first.
(c_tmpcounter::load_map_indices): New function.
(c_unparser::load_map_indices): Speed up use of numeric and string
constants as map indices.
(c_tmpcounter::visit_arrayindex): Updated temporary declarations.
(c_tmpcounter_assignment::visit_arrayindex): Updated temporary
declarations.
* translate.h (class translator_output): Added tellp() and seekp()
functions.
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PR 4146
* tapsets.cxx (common_probe_entryfn_prologue): Added
'interruptible' parameter. If a probe is interruptible,
interrupts are not disabled while the probe executes. Preemption
is disabled however. Interruptible parameter defaults to false.
(common_probe_entryfn_epilogue): Ditto.
(be_derived_probe_group::emit_module_decl): Uses new
'interruptible' parameter to mark begin/end probes as
interruptible.
(probe_derived_probe_group::emit_module): Initialize
'actionremaining' with MAXACTION instead of initializing
'actioncount' with 0.
* translate.cxx (emit_common_header): Renamed 'actioncount' to
'actionremaining'. Turned logic around to initialize
actionremaining to MAXACTION or MAXACTION_INTERRUPTIBLE then
decrement it as actions occur.
(translate_pass): Added MAXACTION_INTERRUPTIBLE initialization.
* translate.h: Removed outdated comment portion.
* stap.1.in: Documented MAXACTION_INTERRUPTIBLE.
* NEWS: Added note about begin/end probes being run with
interrupts enabled.
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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.
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* translate.cxx (var::init): Don't crush string module_params.
(emit_global_param): New function, forked out of emit_global,
to put module_param calls at the bottom of C file.
* translate.h: Corresponding changes.
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PR 2060.
* buildrun.cxx (compile_pass): Add "V=1" to kbuild if verbose.
* translate.cxx (translator_output): For output-file constructor,
set an explicit output buffer.
(emit_module_init, emit_module_exit): Reorganize output, to spit
each individual probe registration/deregistration blurb into a
separate function.
* translate.h: Corresponding changes; set default buffer size to 8K.
* translate.cxx, tapsets.cxx: Replace "endl" by buffer-friendly "\n"
throughout code generation routines.
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* translate.cxx (emit_global, emit_module_init): Use 2.6.9-compatible
rwlock initialization.
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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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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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