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Diffstat (limited to 'tools/perf/util/symbol-elf.c')
-rw-r--r--tools/perf/util/symbol-elf.c25
1 files changed, 7 insertions, 18 deletions
diff --git a/tools/perf/util/symbol-elf.c b/tools/perf/util/symbol-elf.c
index 3a9c38a39bc9..591594775904 100644
--- a/tools/perf/util/symbol-elf.c
+++ b/tools/perf/util/symbol-elf.c
@@ -166,7 +166,7 @@ static Elf_Scn *elf_section_by_name(Elf *elf, GElf_Ehdr *ep,
* And always look at the original dso, not at debuginfo packages, that
* have the PLT data stripped out (shdr_rel_plt.sh_type == SHT_NOBITS).
*/
-int dso__synthesize_plt_symbols(struct dso *dso, char *name, struct map *map,
+int dso__synthesize_plt_symbols(struct dso *dso, struct symsrc *ss, struct map *map,
symbol_filter_t filter)
{
uint32_t nr_rel_entries, idx;
@@ -181,21 +181,15 @@ int dso__synthesize_plt_symbols(struct dso *dso, char *name, struct map *map,
GElf_Ehdr ehdr;
char sympltname[1024];
Elf *elf;
- int nr = 0, symidx, fd, err = 0;
+ int nr = 0, symidx, err = 0;
- fd = open(name, O_RDONLY);
- if (fd < 0)
- goto out;
-
- elf = elf_begin(fd, PERF_ELF_C_READ_MMAP, NULL);
- if (elf == NULL)
- goto out_close;
+ elf = ss->elf;
+ ehdr = ss->ehdr;
- if (gelf_getehdr(elf, &ehdr) == NULL)
- goto out_elf_end;
+ scn_dynsym = ss->dynsym;
+ shdr_dynsym = ss->dynshdr;
+ dynsym_idx = ss->dynsym_idx;
- scn_dynsym = elf_section_by_name(elf, &ehdr, &shdr_dynsym,
- ".dynsym", &dynsym_idx);
if (scn_dynsym == NULL)
goto out_elf_end;
@@ -291,13 +285,8 @@ int dso__synthesize_plt_symbols(struct dso *dso, char *name, struct map *map,
err = 0;
out_elf_end:
- elf_end(elf);
-out_close:
- close(fd);
-
if (err == 0)
return nr;
-out:
pr_debug("%s: problems reading %s PLT info.\n",
__func__, dso->long_name);
return 0;