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* Have dtrace use [wd] as the default dir when -o isn't given.Stan Cox2009-08-282-5/+5
| | | | | * dtrace.in: Generate the output file from basename of input filename. * dtrace.exp: Adjust the tests accordingly.
* stap-client will now always choose a compatible server even for phases 1-3.Dave Brolley2009-08-282-9/+8
| | | | Always start a local server needed by the test suite (make {install}check).
* Added test for pr10568.David Smith2009-08-283-0/+43
| | | | | | * testsuite/systemtap.base/alias_tapset.exp: New file. * testsuite/systemtap.base/alias_tapset.stp: Ditto. * testsuite/systemtap.base/alias_tapset/tapset_test.stp: Ditto.
* Add a NEWS blurb for || and && in the preprocessorJosh Stone2009-08-281-0/+3
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* Use || and && in preprocessor's conditions in tapsets.Przemyslaw Pawelczyk2009-08-281-13/+3
| | | | Signed-off-by: Josh Stone <jistone@redhat.com>
* Support || and && in preprocessor's conditions.Przemyslaw Pawelczyk2009-08-285-17/+54
| | | | | | | | | | * parse.cxx (parser::scan_pp): Add || and &&. * stap.1.in: Document || and && in PREPROCESSING. * testsuite/parseok/twenty.stp: Test case. * testsuite/parseko/preprocess14.stp: Ditto. * testsuite/parseko/preprocess15.stp: Ditto. Signed-off-by: Josh Stone <jistone@redhat.com>
* Cross check stap_compile.exp stap run result with error messages seen.Mark Wielaard2009-08-281-1/+14
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* Tighten stap_compile.exp regexp to not accidentially gobble up extra lines.Mark Wielaard2009-08-281-1/+1
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* PR10568: Ensure that aliases pull in their tapsetJosh Stone2009-08-275-0/+48
| | | | | | | | | | | When a probe alias is resolved in a tapset, the contents of that tapset should be included in the compiled script, just as we do for global variables and functions. * elaborate.cxx (alias_expansion_builder::build): When an alias is instantiated, add its stapfile to the session files. * testsuite/systemtap.base/tapset_includes.exp: New test. * testsuite/systemtap.base/tapset/*.stp: Testing tapsets for above.
* xfail backtrace.exp as PR6961 backtrace from non-pt_regs probe contextMark Wielaard2009-08-271-0/+4
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* Return, don't exit postgres.exp when unsupported.Mark Wielaard2009-08-271-1/+1
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* Teach postgres.exp to use a locally built version of postgres.Stan Cox2009-08-271-62/+92
| | | | | * postgres.exp: Grab postgres from upstream then build and test it with uprobe, utrace, and kprobe.
* Reorganize iterate_over_labelsJosh Stone2009-08-263-71/+80
| | | | | | | | | | | | | | | I noticed that iterate_over_labels was using a static variable as a recursion variable, which isn't a safe thing to do since it will only be initialized once. While fixing that, I also reorganized the function quite a bit. * dwflpp.cxx (dwflpp::iterate_over_labels): Take the current function as a parameter instead of using a static local. Rewrite some of the code as well to try to make it more obvious. * tapsets.cxx (add_label_name): Remove in favor of query_label. (query_label): New, to check decl_file and fix probe listing. (query_srcfile_label, query_cu): Adjust to iterate_over_labels change and start using query_label as the callback.
* Remove unnecessary static membersJosh Stone2009-08-263-12/+3
| | | | | | | | | When a static class member is only used by a single method, it's more concise to use a static local variable instead. * staptree.cxx (probe::probe): Make last_probeidx a static local. * tapset-perfmon.cxx (perfmon_derived_probe::perfmon_derived_probe): Make probes_allocated a static local.
* Cleanup some deref handling in the task tapsetJosh Stone2009-08-261-11/+20
| | | | | | | | | | | | | Some of this is just cosmetic, but there is one big takeaway: there's a error-goto between kread calls and the CATCH_DEREF_FAULT. You must not allow this to bypass any resource management, like unlocking a resource that you grabbed! * tapset/task.stp (pid2task): No derefs, so remove the CATCH. (task_gid, task_egid, task_uid, task_euid): Move the CATCH within the #ifdef branch that actually needs it. (task_open_file_handles, task_max_file_handles): Ensure that we always call rcu_read_unlock if we locked it!
* Correct a few comments to match the codeJosh Stone2009-08-263-6/+6
| | | | | | | * tapset/conversions.stp (kernel_long, kernel_int, kernel_short, kernel_char): All are actually using kread(), not deref(). * tapset/i386/registers.stp (_stp_arg): Ditto. * tapset/x86_64/registers.stp (_stp_arg): Ditto.
* Increase avahi-browse timeout to 20 seconds.Dave Brolley2009-08-261-1/+1
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* Allow 20 seconds for the server to start up.Dave Brolley2009-08-261-3/+4
| | | | Use ps -e to check for server and avahi pids.
* PR4186 cont'd: Squash EM_S390 to s390.Mark Wielaard2009-08-261-1/+1
| | | | * tapsets.cxx (validate_module_elf): Set expect_machine to "s390".
* Compute cu_name dynamicallyJosh Stone2009-08-253-9/+15
| | | | | | | | | | | | We only need cu_name for errors and verbose messages, so it's a waste to always construct it in focus_on_cu. It's now built only as-needed. * dwflpp.cxx (dwflpp::cu_name): Now a method instead of a data member. (dwflpp::focus_on_module): No cu_name to clear now. (dwflpp::focus_on_cu): No cu_name to set now. (dwflpp::declaration_resolve): Adjust to call cu_name() now. (dwflpp::iterate_over_functions): Ditto. * tapsets.cxx (query_cu): Ditto.
* Avoid needless Dwarf_Die copyingJosh Stone2009-08-251-14/+11
| | | | | | | * dwflpp.cxx (dwflpp::iterate_over_cus): Use the Dwarf_Die as a pointer directly into the vector. (dwflpp::iterate_over_inline_instances): Ditto. (dwflpp::iterate_over_functions): Ditto in a map.
* Convert module_cu_cache_t to a stap_mapJosh Stone2009-08-251-1/+3
| | | | * dwflpp.cxx (module_cu_cache_t): Typedef as a stap_map instead.
* Index cu_inl_function_cache_t by function->addrJosh Stone2009-08-252-4/+5
| | | | | | | | Again, avoid needless string construction for map indexing. * dwflpp.h (cu_inl_function_cache_t): Index by the void* function->addr. * dwflpp.cxx (dwflpp::iterate_over_inline_instances): Index cu_inl_function_cache by function->addr.
* Index mod_cu_function_cache_t by cu->addrJosh Stone2009-08-252-18/+25
| | | | | | | | | | | | | | | Rather than constructing a "module:cu" string all the time, we can just index the cache by the cu die's addr field. The addr will never change as long as the Dwarf object is still alive. This has a quite noticeable performance impact for scripts that iterate over lots of cus (like for syscall.*). * dwflpp.h (stap_map): Allow void* keys too. (mod_cu_function_cache_t): Index by the void* cu->addr. * dwflpp.cxx (dwflpp::iterate_over_functions): Index cu_function_cache by addr, and build the verbose strings manually when needed. (dwflpp::declaration_resolve): Index global_alias_cache by addr.
* PR4186 cont'd: clarify ARCH naming in NEWS tooFrank Ch. Eigler2009-08-251-0/+6
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* PR4186 cont'd: option #2: standardize on kernel ARCH/SUBARCH throughoutFrank Ch. Eigler2009-08-2516-31/+43
| | | | | | | | * main.cxx (main): Perform equivalent sed by hand on uname()->machine. * stap.1.in: Clarify -a ARCH slightly. * tapsets.cxx (validate_module_elf): Accept "arm*"for EM_ARM. * tapset/**, testsuite/**: Removed/collapsed "i386"/"i686" branches, renamed "ppc64"->"powerpc" and "s390x"->"s390".
* KFAIL cmd_parse15 on kernel < 2.6.29, see commit e0ccd3.Mark Wielaard2009-08-251-0/+5
| | | | | * testsuite/systemtap.base/cmd_parse.exp: kfail cmd_parse15 when kernel26ver < 29.
* Make inlinedvars empty asm really empty.Mark Wielaard2009-08-251-1/+1
| | | | | | | A debug "nop" was accidentially left in the asm statement that should have been totally empty. * testsuite/systemtap.base/inlinedvars.c (m): Really empty asm.
* PR2475: Filter filenames against the decl_fileJosh Stone2009-08-243-7/+14
| | | | | | | | | | | | We used to only check that a CU contains at least one srcfile matching the user's file spec. This patch ensures that the selected function was actually defined in one of the matching srcfiles. * tapsets.cxx (struct dwarf_query): Make filtered_srcfiles carry strings, so we can easily lookup matches later. (query_dwarf_func): Check that the decl_file is in filtered_srcfiles. (query_cu): Adjust to using set<string>. * dwflpp.cxx (dwflpp::collect_srcfiles_matching): Take a set<string>.
* PR4186 cont'd: uname -m --> uname -i in test casesFrank Ch. Eigler2009-08-244-5/+5
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* PR4186 cont'd: move tapset/i686 -> tapset/i386Frank Ch. Eigler2009-08-243-0/+0
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* PR4186 cont'd: tolerate older kbuild Makefile's chattinessFrank Ch. Eigler2009-08-241-0/+8
| | | | * buildrun.cxx (run_make_cmd): Add back >/dev/null for older kernels.
* PR4186 cont'd: fix 32-bit i386 buildsFrank Ch. Eigler2009-08-241-0/+5
| | | | | * main.cxx (main): Initialize s.architecture to value as if from `uname -i`. Specifically, squash i?86 -> i386.
* Rename cache.exp proc stap_compile to cache_compile to not conflict.Mark Wielaard2009-08-241-22/+22
| | | | | | * testsuite/systemtap.base/cache.exp: Rename proc stap_compile to cache_compile, to prevent conflict with proc stap_compile from lib/stap_compile.exp.
* Fix failing uprobes.exp -p5 failures by removing trailing spaces in $$ vars.Mark Wielaard2009-08-243-8/+12
| | | | | | | | * tapsets.cxx (dwarf_var_expanding_visitor::visit_target_symbol_context): Don't add extra space at end of list, only add space between symbols. * testsuite/systemtap.base/uprobes.exp: Use more specific expect regex. * testsuite/systemtap.base/vars.exp: Don't just chop off last char of printf output string.
* PR4186: cross-architecture probe buildingFrank Ch. Eigler2009-08-247-7/+69
| | | | | | | | | | | * main.cxx (main): Add 'a:' and 'B:' options. * session.h (kbuildflags): New place to store -B args. * testsuite/systemtap.base/cmd_parse.exp: Test them lightly. * buildrun.cxx (run_make_cmd): Use "--no-print-directory" rather than ">/dev/null" in kbuild invocations. Pass '-a' and '-B' flags along. * hash.cxx (find_script_hash): Add them. * NEWS, stap.1.in: Mention this.
* Initialize sdt_types testcase arr_char so that it is always null terminated.Mark Wielaard2009-08-241-1/+1
| | | | | | * testsuite/systemtap.base/sdt_types.c: Initialize char arr_char [], not with (too small) constant length, to make sure the string is always null terminated.
* Simplify mkstemp invocation.Stan Cox2009-08-231-1/+1
| | | | *dtrace: Don't bother with prefix when invoking mkstemp.
* PR10551: cont'dFrank Ch. Eigler2009-08-231-1/+2
| | | | * runtime/print.c (_stp_print_kernel_info): Also switch module_core->module_core_rx.
* PR10551: build compatibility for pax/grsecurity include/linux/module.hFrank Ch. Eigler2009-08-233-13/+29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adapts to patches such as: diff -urNp linux-2.6.29.6/include/linux/module.h linux-2.6.29.6/include/linux/module.h --- linux-2.6.29.6/include/linux/module.h 2009-07-02 19:41:20.000000000 -0400 +++ linux-2.6.29.6/include/linux/module.h 2009-07-30 17:59:26.175602427 -0400 @@ -278,16 +278,16 @@ struct module int (*init)(void); /* If this is non-NULL, vfree after init() returns */ - void *module_init; + void *module_init_rx, *module_init_rw; /* Here is the actual code + data, vfree'd on unload. */ - void *module_core; + void *module_core_rx, *module_core_rw; /* Here are the sizes of the init and core sections */ - unsigned int init_size, core_size; + unsigned int init_size_rw, core_size_rw; /* The size of the executable code in each section. */ - unsigned int init_text_size, core_text_size; + unsigned int init_size_rx, core_size_rx; * runtime/autoconf-grsecurity.c: New test. * buildrun.cxx: Try it. * runtime/print.c: Use it.
* build fix: make buildable with elfutils < 0.142Frank Ch. Eigler2009-08-232-0/+21
| | | | | * dwarf_wrappers.h, loc2c.c: Define DW_TAG_rvalue_reference_type=0x42 for older elfutils.
* PR10461: Add support for C++ classes and referencesJosh Stone2009-08-213-25/+81
| | | | | | | | | | * dwarf_wrappers.cxx (dwarf_type_name): Name class and reference types. * dwflpp.cxx (dwflpp::iterate_over_globals): Capture class names. (dwflpp::print_members): Permit classes, and dig into inheritance. (dwflpp::find_struct_member): Ditto. (dwflpp::translate_components): Handle classes and references. (dwflpp::translate_final_fetch_or_store): Ditto. * loc2c.c (c_translate_pointer): Treat references as simple pointers.
* PR10507: tweak MAXUPROBES calculation to shrink table for small static ↵Frank Ch. Eigler2009-08-211-3/+7
| | | | | | | | number of probes * tapsets.cxx (uprobe_derived_probe_group::emit_module_decls): Use geometric mean rather than arithmetic mean. Add a comment to explain relative harmlessness of exceeding the "minimum" or "maximum" values.
* PR10543: do module cache cleaning before copying new file into the cacheFrank Ch. Eigler2009-08-212-3/+5
| | | | | | ... otherwise the new stuff can get cleaned before use. * cache.cxx (add_to_cache): Do clean_cache() first, not last.
* PR10544: clean up stap child process error handlingFrank Ch. Eigler2009-08-216-41/+40
| | | | | | | * util.cxx (stap_system): Take extra verbosity value. Standardize error handling / tracing. * util.h: Corresponding changes. * buildrun.cxx, main.cxx, modsign.cxx: Update callers.
* cleanup: rename task_finder_target->pathname -> procnameFrank Ch. Eigler2009-08-215-22/+22
| | | | | | | | | | The previous name made it easy to misread the purpose of this field. It is only for matching executable names, not for shared libraries. * runtime/task_finder.c (task_finder_target): Rename field. (*): Adjust. * tapset-itrace.cxx, tapset-utrace.cxx, tapsets.cxx, translate.cxx: Ditto.
* Two minor testcase fixes.David Smith2009-08-202-3/+5
| | | | | * testsuite/systemtap.base/global_stat.exp: Improved error handling. * testsuite/systemtap.base/strftime.exp: Ditto.
* * dtrace.in: Support -C, preprocess with cpp, which upstream postgresStan Cox2009-08-202-3/+34
| | | | is now using.
* PR10537 process().function().label() should select multiple inlined instances.Mark Wielaard2009-08-203-44/+38
| | | | | | | | | | | | | | | | | | | | This is less useful than one would hope. gcc will often emit a label with a DW_AT_low_pc that is not really in the neighbourhood of where one would expect it when the label is inlined and gcc can proof the label isn't really used in the optimized code. dwflpp::iterate_over_labels will now really iterate recursively through the die, even for dies without a name (like lexical blocks). This means we should now always find the concrete inlined label instances that have a real DW_AT_low_pc and so we don't need the trick to use the line table to get at the actual address. * dwflpp.cxx (iterate_over_labels): Accept dies without a name. Don't handle labels without a name or without a lowpc attribute. * testsuite/systemtap.base/inlinedvars.c (m): Trick gcc into thinking label is always used. (call, call2): Activate. (main): Call call and call2. * testsuite/systemtap.base/inlinedvars.exp: New result_string. Test both unoptimized and optimized (inlined) builds.
* Two minor testcase fixes.David Smith2009-08-202-2/+2
| | | | | * testsuite/systemtap.base/poll_map.exp: Improved error handling. * testsuite/systemtap.base/postgres.exp: Fixed typo.
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