Messages in this thread Patch in this message | | | From | Namhyung Kim <> | Subject | [PATCH] perf probe: Use dwarf_getcfi_elf() instead of dwarf_getcfi() | Date | Mon, 7 Apr 2014 16:05:48 +0900 |
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The dwarf_getcfi() only checks .debug_frame section for CFI, but as most binaries only have .eh_frame it'd return NULL and it makes some variables inaccessible.
Using dwarf_getcfi_elf (along with dwarf_getelf()) allows to show and add probe to more variables.
Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Signed-off-by: Namhyung Kim <namhyung@kernel.org> --- tools/perf/util/probe-finder.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/perf/util/probe-finder.c b/tools/perf/util/probe-finder.c index 3bf0c8cdccb7..d58da0672736 100644 --- a/tools/perf/util/probe-finder.c +++ b/tools/perf/util/probe-finder.c @@ -985,7 +985,7 @@ static int debuginfo__find_probes(struct debuginfo *dbg, #if _ELFUTILS_PREREQ(0, 142) /* Get the call frame information from this dwarf */ - pf->cfi = dwarf_getcfi(dbg->dbg); + pf->cfi = dwarf_getcfi_elf(dwarf_getelf(dbg->dbg)); #endif off = 0; -- 1.7.11.7
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