diff options
Diffstat (limited to 'tools/perf/util/symbol-elf.c')
| -rw-r--r-- | tools/perf/util/symbol-elf.c | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/tools/perf/util/symbol-elf.c b/tools/perf/util/symbol-elf.c index 647b7dff8ef3..96767d1b3f1c 100644 --- a/tools/perf/util/symbol-elf.c +++ b/tools/perf/util/symbol-elf.c @@ -233,6 +233,34 @@ Elf_Scn *elf_section_by_name(Elf *elf, GElf_Ehdr *ep, return NULL; } +bool filename__has_section(const char *filename, const char *sec) +{ + int fd; + Elf *elf; + GElf_Ehdr ehdr; + GElf_Shdr shdr; + bool found = false; + + fd = open(filename, O_RDONLY); + if (fd < 0) + return false; + + elf = elf_begin(fd, PERF_ELF_C_READ_MMAP, NULL); + if (elf == NULL) + goto out; + + if (gelf_getehdr(elf, &ehdr) == NULL) + goto elf_out; + + found = !!elf_section_by_name(elf, &ehdr, &shdr, sec, NULL); + +elf_out: + elf_end(elf); +out: + close(fd); + return found; +} + static int elf_read_program_header(Elf *elf, u64 vaddr, GElf_Phdr *phdr) { size_t i, phdrnum; @@ -1303,7 +1331,7 @@ dso__load_sym_internal(struct dso *dso, struct map *map, struct symsrc *syms_ss, (!used_opd && syms_ss->adjust_symbols)) { GElf_Phdr phdr; - if (elf_read_program_header(syms_ss->elf, + if (elf_read_program_header(runtime_ss->elf, (u64)sym.st_value, &phdr)) { pr_debug4("%s: failed to find program header for " "symbol: %s st_value: %#" PRIx64 "\n", |