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perf symbols: Switch dso__synthesize_plt_symbols() to use symsrc

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Previously dso__synthesize_plt_symbols() was reopening the elf file to
obtain dynsyms from it. Rather than reopen the file, use the already
opened reference within the symsrc to access it.

Setup for the later patch

"perf symbols: Use both runtime and debug images"

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/1344637382-22789-14-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 15:22:59 -07:00 • committed by Arnaldo Carvalho de Melo
parent 005f92947a
commit a44f605b2f
4 changed files with 16 additions and 24 deletions
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4
tools/perf/util/symbol.h
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@ -370,8 +370,8 @@ ssize_t dso__data_read_addr(struct dso *dso, struct map *map,
int dso__test_data(void);
int dso__load_sym(struct dso *dso, struct map *map, struct symsrc *ss,
symbol_filter_t filter, int kmodule, int want_symtab);
int dso__synthesize_plt_symbols(struct dso *dso, char *name, struct map *map,
symbol_filter_t filter);
int dso__synthesize_plt_symbols(struct dso *dso, struct symsrc *ss,
struct map *map, symbol_filter_t filter);
void symbols__insert(struct rb_root *symbols, struct symbol *sym);
void symbols__fixup_duplicate(struct rb_root *symbols);