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perf symbols: Only un-prelink non-zero symbols 

Prelink only adjusts the addresses of non-zero symbols. Do the same when we
reverse the adjustments.

Signed-off-by: Cody P Schafer <cody@linux.vnet.ibm.com>
Cc: David Hansen <dave@linux.vnet.ibm.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Matt Hellsley <matthltc@us.ibm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>
Link: http://lkml.kernel.org/r/1344637382-22789-4-git-send-email-cody@linux.vnet.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Cody P Schafer 2012-08-10 15:22:49 -07:00 committed by Arnaldo Carvalho de Melo
parent 26d330226b
commit 8db24c70ab
1 changed files with 1 additions and 1 deletions
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2
tools/perf/util/symbol-elf.c
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@ -717,7 +717,7 @@ int dso__load_sym(struct dso *dso, struct map *map, const char *name, int fd,
goto new_symbol;
}
if (curr_dso->adjust_symbols) {
if (curr_dso->adjust_symbols && sym.st_value) {
pr_debug4("%s: adjusting symbol: st_value: %#" PRIx64 " "
"sh_addr: %#" PRIx64 " sh_offset: %#" PRIx64 "\n", __func__,
(u64)sym.st_value, (u64)shdr.sh_addr,