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* map through uretprobe trampoline in an arbitrary taskTim Moore2010-01-131-0/+6
| | | | | | | | | * runtime/uprobes2/uprobes.c (uprobe_get_pc_task): new function (lookup_uretprobe): new helper function (uprobe_get_pc): use it * runtime/uprobes2/uprobes.h (uprobe_get_pc_task): declare * runtime/uprobes/uprobes.c : ditto * runtime/uprobes/uprobes.h : ditto
* bz6436 backtraces from uprobesTim Moore2010-01-051-0/+4
| | | | | | | | | | | | | | | | | | | | | This implements proper unwinding from uprobes in the presence of uretprobe trampolines. * runtime/stack.c (_stp_stack_print): Rework for uprobe context case and refactor a bit. * runtime/uprobes2/uprobes.h (GET_PC_URETPROBE_NONE): new constant * runtime/uprobes2/uprobes.c (uprobe_get_pc): Support translating the trampoline function from uprobe context in addition to uretprobe context. * runtime/uprobes/uprobes.h (GET_PC_URETPROBE_NONE): ditto * runtime/uprobes/uprobes.c (uprobe_get_pc): ditto * tapsets.cxx (uprobe_derived_probe_group::emit_module_decls): Initialize ri in context to GET_PC_URETPROBE_NONE in generated enter_uprobe_probe. * testsuite/systemtap.context/fib.stp: Add an option to do a backtrace on function entry. * testsuite/systemtap.context/fib.exp: Test backtrace in function entry (uprobe) probes.
* runtime backtracing: port commit #2e7f8442 to uprobes1Frank Ch. Eigler2009-12-201-0/+8
| | | | * runtime/uprobes/uprobes.c (uprobe_get_pc): new function
* PR9940: add/use unmap_u[ret]probeJim Keniston2009-04-151-0/+6
| | | | | For uprobes 1 and 2, add unmap_u[ret]probe() and define UPROBES_API_VERSION=2. Adapt tapsets.cxx accordingly.
* Add a version of uprobes that works with the 2.6.27 version of utrace.Jim Keniston2008-11-031-0/+14
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* PR5274: uretprobes fixes, belated commitSrikar Dronamraju2008-10-281-1/+1
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* PR 5693kenistoj2008-02-111-0/+3
| | | | | | | * runtime/uprobes/uprobes.c: Intercept handler-destined signals received while we're single-stepping, and re-queue them afterward. * runtime/uprobes/uprobes.h: Ditto
* * runtime/uprobes/uprobes.c: Within a probed process, serializekenistoj2008-01-251-0/+7
| | | | | | | calls to access_process_vm() when populating instructions slots. Fixes an SMP bug on multithreaded apps with many active probepoints. * runtime/uprobes/uprobes.h: Ditto
* * runtime/uprobes/uprobes.[ch], uprobes_i386.[ch],kenistoj2007-10-161-1/+9
| | | | | | | | | uprobes_ppc64.h, uprobes_s390.h: Adjusted SLOT_IP and arch_validate_probed_insn to accept task pointer (needed by x86_64); added uprobe_probept_arch_info and uprobe_task_arch_info (ditto). * runtime/uprobes/uprobes_i386.c: Fixed a couple of glitches discovered when porting to x86_64
* PR 5709kenistoj2007-10-081-4/+4
| | | | | | | | | | | | | | | | | | | | | | | * main.cxx: Add pass 4.5: make uprobes.ko in runtime/uprobes * buildrun.cxx: Add uprobes_enabled() and make_uprobes(). Factor run_make_cmd() out of compile_pass(). * buildrun.h: Add uprobes_enabled and make_uprobes decls. * tapsets.cxx: Do correct #include for modprobed uprobes.ko; set need_uprobes in pass 2. * session.h: Add need_uprobes * runtime/staprun/common.c: Add -u option -> need_uprobes * runtime/staprun/staprun_funcs.c: Generalize insert_module() to support inserting uprobes.ko. * runtime/staprun/staprun.c: Add enable_uprobes(). insert_module call becomes insert_stap_module(). * runtime/staprun/staprun.h: Reflect insert_module() and need_uprobes changes * runtime/uprobes/*.[c,h]: uprobes is built as a module, rather than included into the source of the stap-generated module. * runtime/uprobes/Makefile: Added
* uprobes.c, uprobes.h: architecture-independent codekenistoj2007-09-281-0/+385
uprobes_i386.c, uprobes_i386.h: i386 code uprobes_arch.c, uprobes_arch.h: map to architecture-specific files
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