[PATCH 03/16] perf symbol: only un-prelink non-zero symbols

From: Cody P Schafer
Date: Thu Aug 09 2012 - 18:24:45 EST


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

Signed-off-by: Cody P Schafer <cody@xxxxxxxxxxxxxxxxxx>
---
tools/perf/util/symbol.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index b2f7597..254d4d8 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -1401,7 +1401,7 @@ static int dso__load_sym(struct dso *dso, struct map *map, const char *name,
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,
--
1.7.11.3

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