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| author | Ananth N Mavinakayanahalli <ananth@in.ibm.com> | 2015-04-28 12:05:38 (GMT) |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2015-05-04 15:43:45 (GMT) |
| commit | c50fc0a43e33a6c3257c5cbb954cd747d7b9a680 (patch) | |
| tree | eeb3ffad717b3b0fc1121d9156fd71a967e78ea4 /tools/perf/util/symbol-elf.c | |
| parent | 031b84c407c3153ffbcb4f8f832edf48af988719 (diff) | |
| download | linux-c50fc0a43e33a6c3257c5cbb954cd747d7b9a680.tar.xz | |
perf probe ppc64le: Fix ppc64 ABIv2 symbol decoding
ppc64 ELF ABIv2 has a Global Entry Point (GEP) and a Local Entry Point
(LEP). For purposes of probing, we need the LEP - the offset to which is
encoded in st_other.
Signed-off-by: Ananth N Mavinakayanahalli <ananth@in.ibm.com>
Reviewed-by: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>
Cc: linuxppc-dev@lists.ozlabs.org
Link: http://lkml.kernel.org/r/ab9cc5e2b9de4cbaaf50f6ef2346a6a81100bad1.1430217967.git.naveen.n.rao@linux.vnet.ibm.com
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/symbol-elf.c')
| -rw-r--r-- | tools/perf/util/symbol-elf.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/tools/perf/util/symbol-elf.c b/tools/perf/util/symbol-elf.c index 54347ba..d99b442 100644 --- a/tools/perf/util/symbol-elf.c +++ b/tools/perf/util/symbol-elf.c @@ -775,6 +775,8 @@ static bool want_demangle(bool is_kernel_sym) return is_kernel_sym ? symbol_conf.demangle_kernel : symbol_conf.demangle; } +void __weak arch__elf_sym_adjust(GElf_Sym *sym __maybe_unused) { } + int dso__load_sym(struct dso *dso, struct map *map, struct symsrc *syms_ss, struct symsrc *runtime_ss, symbol_filter_t filter, int kmodule) @@ -939,6 +941,8 @@ int dso__load_sym(struct dso *dso, struct map *map, (sym.st_value & 1)) --sym.st_value; + arch__elf_sym_adjust(&sym); + if (dso->kernel || kmodule) { char dso_name[PATH_MAX]; |