4 files changed, 16 insertions, 24 deletions

diff --git a/tools/perf/util/symbol-elf.c b/tools/perf/util/symbol-elf.c
index 3a9c38a..5915947 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;
diff --git a/tools/perf/util/symbol-minimal.c b/tools/perf/util/symbol-minimal.c
index 1b16c27..cc580c0 100644
--- a/tools/perf/util/symbol-minimal.c
+++ b/tools/perf/util/symbol-minimal.c
@@ -266,7 +266,8 @@ void symsrc__destroy(struct symsrc *ss)
 	close(ss->fd);
 }
 
-int dso__synthesize_plt_symbols(struct dso *dso __used, char *name __used,
+int dso__synthesize_plt_symbols(struct dso *dso __used,
+				struct symsrc *ss __used,
 				struct map *map __used,
 				symbol_filter_t filter __used)
 {
diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index 2b3495a..f8a3068 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -1091,21 +1091,23 @@ restart:
 
 		ret = dso__load_sym(dso, map, &ss, filter, 0,
 				    want_symtab);
-		symsrc__destroy(&ss);
 
 		/*
 		 * Some people seem to have debuginfo files _WITHOUT_ debug
 		 * info!?!?
 		 */
-		if (!ret)
+		if (!ret) {
+			symsrc__destroy(&ss);
 			continue;
+		}
 
 		if (ret > 0) {
 			int nr_plt;
 
-			nr_plt = dso__synthesize_plt_symbols(dso, name, map, filter);
+			nr_plt = dso__synthesize_plt_symbols(dso, &ss, map, filter);
 			if (nr_plt > 0)
 				ret += nr_plt;
+			symsrc__destroy(&ss);
 			break;
 		}
 	}
diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h
index dd9e867..2981513 100644
--- a/tools/perf/util/symbol.h
+++ b/tools/perf/util/symbol.h
@@ -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);