diff options
| -rw-r--r-- | tools/perf/util/dso.c | 1 | ||||
| -rw-r--r-- | tools/perf/util/dso.h | 1 | ||||
| -rw-r--r-- | tools/perf/util/symbol-elf.c | 3 | ||||
| -rw-r--r-- | tools/perf/util/symbol-minimal.c | 22 | ||||
| -rw-r--r-- | tools/perf/util/symbol.c | 1 | ||||
| -rw-r--r-- | tools/perf/util/symbol.h | 1 |
6 files changed, 29 insertions, 0 deletions
diff --git a/tools/perf/util/dso.c b/tools/perf/util/dso.c index 819f104..fc006fe 100644 --- a/tools/perf/util/dso.c +++ b/tools/perf/util/dso.c @@ -703,6 +703,7 @@ struct dso *dso__new(const char *name) dso->data.fd = -1; dso->symtab_type = DSO_BINARY_TYPE__NOT_FOUND; dso->binary_type = DSO_BINARY_TYPE__NOT_FOUND; + dso->is_64_bit = (sizeof(void *) == 8); dso->loaded = 0; dso->rel = 0; dso->sorted_by_name = 0; diff --git a/tools/perf/util/dso.h b/tools/perf/util/dso.h index ad553ba..c239e86 100644 --- a/tools/perf/util/dso.h +++ b/tools/perf/util/dso.h @@ -90,6 +90,7 @@ struct dso { u8 annotate_warned:1; u8 short_name_allocated:1; u8 long_name_allocated:1; + u8 is_64_bit:1; u8 sorted_by_name; u8 loaded; u8 rel; diff --git a/tools/perf/util/symbol-elf.c b/tools/perf/util/symbol-elf.c index dce5ccf..cef8f42 100644 --- a/tools/perf/util/symbol-elf.c +++ b/tools/perf/util/symbol-elf.c @@ -599,6 +599,8 @@ int symsrc__init(struct symsrc *ss, struct dso *dso, const char *name, goto out_elf_end; } + ss->is_64_bit = (gelf_getclass(elf) == ELFCLASS64); + ss->symtab = elf_section_by_name(elf, &ehdr, &ss->symshdr, ".symtab", NULL); if (ss->symshdr.sh_type != SHT_SYMTAB) @@ -699,6 +701,7 @@ int dso__load_sym(struct dso *dso, struct map *map, bool remap_kernel = false, adjust_kernel_syms = false; dso->symtab_type = syms_ss->type; + dso->is_64_bit = syms_ss->is_64_bit; dso->rel = syms_ss->ehdr.e_type == ET_REL; /* diff --git a/tools/perf/util/symbol-minimal.c b/tools/perf/util/symbol-minimal.c index bd15f49..101f55d 100644 --- a/tools/perf/util/symbol-minimal.c +++ b/tools/perf/util/symbol-minimal.c @@ -288,6 +288,23 @@ int dso__synthesize_plt_symbols(struct dso *dso __maybe_unused, return 0; } +static int fd__is_64_bit(int fd) +{ + u8 e_ident[EI_NIDENT]; + + if (lseek(fd, 0, SEEK_SET)) + return -1; + + if (readn(fd, e_ident, sizeof(e_ident)) != sizeof(e_ident)) + return -1; + + if (memcmp(e_ident, ELFMAG, SELFMAG) || + e_ident[EI_VERSION] != EV_CURRENT) + return -1; + + return e_ident[EI_CLASS] == ELFCLASS64; +} + int dso__load_sym(struct dso *dso, struct map *map __maybe_unused, struct symsrc *ss, struct symsrc *runtime_ss __maybe_unused, @@ -295,6 +312,11 @@ int dso__load_sym(struct dso *dso, struct map *map __maybe_unused, int kmodule __maybe_unused) { unsigned char *build_id[BUILD_ID_SIZE]; + int ret; + + ret = fd__is_64_bit(ss->fd); + if (ret >= 0) + dso->is_64_bit = ret; if (filename__read_build_id(ss->name, build_id, BUILD_ID_SIZE) > 0) { dso__set_build_id(dso, build_id); diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c index 2e6a2e2..ae2e446 100644 --- a/tools/perf/util/symbol.c +++ b/tools/perf/util/symbol.c @@ -1065,6 +1065,7 @@ static int dso__load_kcore(struct dso *dso, struct map *map, &is_64_bit); if (err) goto out_err; + dso->is_64_bit = is_64_bit; if (list_empty(&md.maps)) { err = -EINVAL; diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h index a81877b..436169d 100644 --- a/tools/perf/util/symbol.h +++ b/tools/perf/util/symbol.h @@ -216,6 +216,7 @@ struct symsrc { GElf_Shdr dynshdr; bool adjust_symbols; + bool is_64_bit; #endif }; |
