diff options
| author | Adrian Hunter <adrian.hunter@intel.com> | 2014-07-14 13:02:41 +0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2014-07-16 17:57:35 -0300 |
| commit | c6d8f2a4a0c5e366330a6a2a94c06b652f4ca554 (patch) | |
| tree | da95c3e4ad89bb6ff6096c3015ccc20dacadaa00 /tools/perf/util/symbol-elf.c | |
| parent | 5173fbb8a11b2857aeec9e5f4e9568d4e1b84dbd (diff) | |
perf symbols: Record whether a dso is 64-bit
Add a flag to 'struct dso' to record if the dso is 64-bit or not.
Update the flag when reading the ELF.
This is needed for instruction decoding. For example, x86 instruction
decoding depends on whether or not the 64-bit instruction set is used.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1405332185-4050-18-git-send-email-adrian.hunter@intel.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 | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/tools/perf/util/symbol-elf.c b/tools/perf/util/symbol-elf.c index dce5ccf61f11..cef8f426356e 100644 --- a/tools/perf/util/symbol-elf.c +++ b/tools/perf/util/symbol-elf.c @@ -599,6 +599,8 @@ int symsrc__init(struct symsrc *ss, struct dso *dso, const char *name, goto out_elf_end; } + ss->is_64_bit = (gelf_getclass(elf) == ELFCLASS64); + ss->symtab = elf_section_by_name(elf, &ehdr, &ss->symshdr, ".symtab", NULL); if (ss->symshdr.sh_type != SHT_SYMTAB) @@ -699,6 +701,7 @@ int dso__load_sym(struct dso *dso, struct map *map, bool remap_kernel = false, adjust_kernel_syms = false; dso->symtab_type = syms_ss->type; + dso->is_64_bit = syms_ss->is_64_bit; dso->rel = syms_ss->ehdr.e_type == ET_REL; /* |