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| author | Tim Moore <timoore@redhat.com> | 2009-12-17 16:18:34 +0100 |
|---|---|---|
| committer | Tim Moore <timoore@redhat.com> | 2009-12-17 17:37:37 +0100 |
| commit | d5a2bd44d30b45b6829eb27d70ffb6ceaa70c5bd (patch) | |
| tree | 0eced4c394d1e576932c5739bc5f819f8d584a6e /runtime/stack-x86_64.c | |
| parent | 4c5ce7a55108edb5203b3d69949f09c2284f1963 (diff) | |
| download | systemtap-steved-d5a2bd44d30b45b6829eb27d70ffb6ceaa70c5bd.tar.gz systemtap-steved-d5a2bd44d30b45b6829eb27d70ffb6ceaa70c5bd.tar.xz systemtap-steved-d5a2bd44d30b45b6829eb27d70ffb6ceaa70c5bd.zip | |
support for a brief backtrace format
This only prints symbol+offset, or an address if the symbol isn't
known.
* runtime/runtime.h (SYM_VERBOSE_NO, SYM_VERBOSE_FULL,
SYM_VERBOSE_BRIEF): new constants
* runtime/stack.c (_stp_stack_print): support brief format
* runtime/sym.c (_stp_func_print): ditto
* tapset/ucontext-unwind.stp (print_ubacktrace_brief): new function
* testsuite/systemtap.context/fib.c: new test program
* testsuite/systemtap.context/fib.stp: new test
* testsuite/systemtap.context/fib.exp: new test
Diffstat (limited to 'runtime/stack-x86_64.c')
| -rw-r--r-- | runtime/stack-x86_64.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/runtime/stack-x86_64.c b/runtime/stack-x86_64.c index 3fc203f7..80ebd3e7 100644 --- a/runtime/stack-x86_64.c +++ b/runtime/stack-x86_64.c @@ -38,6 +38,7 @@ static void __stp_stack_print(struct pt_regs *regs, int verbose, int levels, while (levels && (tsk || !arch_unw_user_mode(&info))) { int ret = unwind(&info, tsk); +#if UPROBES_API_VERSION > 1 unsigned long maybe_pc = 0; if (ri) { maybe_pc = uprobe_get_pc(ri, UNW_PC(&info), @@ -47,6 +48,7 @@ static void __stp_stack_print(struct pt_regs *regs, int verbose, int levels, else UNW_PC(&info) = maybe_pc; } +#endif dbug_unwind(1, "ret=%d PC=%lx SP=%lx\n", ret, UNW_PC(&info), UNW_SP(&info)); if (ret == 0) { _stp_func_print(UNW_PC(&info), verbose, 1, tsk); |