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If we leave the number of args unbounded, then an excessively-sized
printf could cause a kernel stack overflow. I've arbitrarily chosen 32
as our new maximum.
* translate.cxx (c_unparser::visit_print_format): Throw if >32 args.
* testsuite/transko/varargs.stp: Assert that 33 args aren't allowed.
* testsuite/transok/varargs.stp: Assert that 32 args are ok.
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This testcase succeeded just because the value being set couldn't be
found. So the error message being compared was the same. Set -o pipefail
to catch that case. On vta compiled kernels it failed because the optimizer
turned { statement } into statement. So pick a function and argument which
location can always be found and add an extra 'next' statement so the
block isn't folded.
* testsuite/transok/tval-opt.stp: Set -o pipefail. Add 'next' to make
sure block isn't empty. Use "do_filp_open" and "mode".
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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 2425
* staptree.cxx (varuse_collecting_visitor::visit_embeddedcode):
Realize that $var-setter functions have side-effects.
* testsuite/transok/tval-opt.stp: New test.
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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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PR 1336.
* tapsets.cxx (translate_final_fetch_or_store): Remove apparently
unnecessary check.
* testsuite/transok/ten.stp: New test for void* integerification.
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PR 1837
* testsuite/buildko/one.stp: Replace printk.
* testsuite/buildok/one.stp: Ditto.
* testsuite/buildok/two.stp: Ditto.
* testsuite/semko/fifteen.stp: Ditto.
* testsuite/semko/fourteen.stp: Ditto.
* testsuite/semko/thirteen.stp: Ditto.
* testsuite/transok/eight.stp: Ditto.
* testsuite/transok/seven.stp: Ditto.
* testsuite/transok/six.stp: Ditto.
* tapsets.cxx (*::emit_probe_entries): Replace printk() calls
with _stp_warn().
* stap.1.in: Replace printk with printf in example.
* stapfuncs.5.in: Remove docs for printk and add for
print and printf.
* tapset/logging.stp (printk): Deleted.
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PR systemtap/1122 et alii
* parse.cxx (parse_literal): Parse and range-limit 64-bit numbers.
(parse_unary): Correct precedence glitch.
* staptree.h (literal_number): Store an int64_t.
* staptree.cxx: Corresponding changes.
* translate.cxx (check_dbz): Remove - insufficient.
(emit_function): Define CONTEXT macro sibling for THIS.
(c_typename): pe_long -> int64_t.
(visit_literal_number): Format literal rigorously and uglily.
(c_assignop, visit_binary_expression): Handle div/mod via new
helper functions in runtime.
* tapset/builtin_logging.stp: Add error, exit builtins.
* testsuite/buildok/ten,eleven.stp: New tests.
* testsuite/parse{ko,ok}/six.stp: Modify for larger numbers.
* testsuite/transok/one.stp: Add more ";"s, maybe unnecessarily.
2005-08-12 Frank Ch. Eigler <fche@elastic.org>
* arith.c: New file to contain arithmetic helper functions.
* builtin_functions.h: Remove, unused.
* runtime.h: Include it.
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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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* 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.
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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.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.
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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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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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* TODO: Removed entries already represented in bugzilla.
* elaborate.cxx: Rewrite type inference for several operators.
* main.cxx (main): For -p2 runs, print types of function/probe locals.
* parse.cxx (scan): Identify more two-character operators.
(parse_comparison): Support the whole suite.
* translate.cxx (visit_unary_expression, logical_or_expr,
logical_and_expr, comparison,ternary_expression): New support.
* testsuite/parseok/semok.stp: Clever new test.
* testsuite/transok/four.stp: New test.
* testsuite/*: Some tweaked tests for syntax changes.
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* translate.cxx (visit_concatenation, visit_binary_expression):
New basic implementation.
(*): Reduce emitted whitespace and remove `# LINE "FILE"' lines.
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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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