41 static int elf_getphdrnum(Elf *elf, size_t *dst)  in elf_getphdrnum()  argument
46 	ehdr = gelf_getehdr(elf, &gehdr);  in elf_getphdrnum()
153 static size_t elf_addr_to_index(Elf *elf, GElf_Addr addr)  in elf_addr_to_index()  argument
159 	while ((sec = elf_nextscn(elf, sec)) != NULL) {  in elf_addr_to_index()
172 Elf_Scn *elf_section_by_name(Elf *elf, GElf_Ehdr *ep,  in elf_section_by_name()  argument
179 	if (!elf_rawdata(elf_getscn(elf, ep->e_shstrndx), NULL))  in elf_section_by_name()
182 	while ((sec = elf_nextscn(elf, sec)) != NULL) {  in elf_section_by_name()
186 		str = elf_strptr(elf, ep->e_shstrndx, shp->sh_name);  in elf_section_by_name()
229 	Elf *elf;  in dso__synthesize_plt_symbols()  local
235 	elf = ss->elf;  in dso__synthesize_plt_symbols()
245 	scn_plt_rel = elf_section_by_name(elf, &ehdr, &shdr_rel_plt,  in dso__synthesize_plt_symbols()
248 		scn_plt_rel = elf_section_by_name(elf, &ehdr, &shdr_rel_plt,  in dso__synthesize_plt_symbols()
259 	if (elf_section_by_name(elf, &ehdr, &shdr_plt, ".plt", NULL) == NULL)  in dso__synthesize_plt_symbols()
274 	scn_symstrs = elf_getscn(elf, shdr_dynsym.sh_link);  in dso__synthesize_plt_symbols()
349 static int elf_read_build_id(Elf *elf, void *bf, size_t size)  in elf_read_build_id()  argument
362 	ek = elf_kind(elf);  in elf_read_build_id()
366 	if (gelf_getehdr(elf, &ehdr) == NULL) {  in elf_read_build_id()
378 		sec = elf_section_by_name(elf, &ehdr, &shdr,  in elf_read_build_id()
383 		sec = elf_section_by_name(elf, &ehdr, &shdr,  in elf_read_build_id()
388 		sec = elf_section_by_name(elf, &ehdr, &shdr,  in elf_read_build_id()
431 	Elf *elf;  in filename__read_build_id()  local
440 	elf = elf_begin(fd, PERF_ELF_C_READ_MMAP, NULL);  in filename__read_build_id()
441 	if (elf == NULL) {  in filename__read_build_id()
446 	err = elf_read_build_id(elf, bf, size);  in filename__read_build_id()
448 	elf_end(elf);  in filename__read_build_id()
504 	Elf *elf;  in filename__read_debuglink()  local
515 	elf = elf_begin(fd, PERF_ELF_C_READ_MMAP, NULL);  in filename__read_debuglink()
516 	if (elf == NULL) {  in filename__read_debuglink()
521 	ek = elf_kind(elf);  in filename__read_debuglink()
525 	if (gelf_getehdr(elf, &ehdr) == NULL) {  in filename__read_debuglink()
530 	sec = elf_section_by_name(elf, &ehdr, &shdr,  in filename__read_debuglink()
545 	elf_end(elf);  in filename__read_debuglink()
629 	elf_end(ss->elf);  in symsrc__destroy()
643 	Elf *elf;  in symsrc__init()  local
658 	elf = elf_begin(fd, PERF_ELF_C_READ_MMAP, NULL);  in symsrc__init()
659 	if (elf == NULL) {  in symsrc__init()
665 	if (gelf_getehdr(elf, &ehdr) == NULL) {  in symsrc__init()
680 		if (elf_read_build_id(elf, build_id, BUILD_ID_SIZE) < 0) {  in symsrc__init()
692 	ss->is_64_bit = (gelf_getclass(elf) == ELFCLASS64);  in symsrc__init()
694 	ss->symtab = elf_section_by_name(elf, &ehdr, &ss->symshdr, ".symtab",  in symsrc__init()
700 	ss->dynsym = elf_section_by_name(elf, &ehdr, &ss->dynshdr, ".dynsym",  in symsrc__init()
706 	ss->opdsec = elf_section_by_name(elf, &ehdr, &ss->opdshdr, ".opd",  in symsrc__init()
716 				elf_section_by_name(elf, &ehdr, &shdr,  in symsrc__init()
729 	ss->elf    = elf;  in symsrc__init()
737 	elf_end(elf);  in symsrc__init()
798 	Elf *elf;  in dso__load_sym()  local
829 	elf = syms_ss->elf;  in dso__load_sym()
841 	sec = elf_getscn(elf, shdr.sh_link);  in dso__load_sym()
849 	sec_strndx = elf_getscn(runtime_ss->elf, runtime_ss->ehdr.e_shstrndx);  in dso__load_sym()
885 		if (elf_section_by_name(elf, &ehdr, &tshdr, ".text", NULL))  in dso__load_sym()
922 			sym.st_shndx = elf_addr_to_index(runtime_ss->elf,  in dso__load_sym()
938 		sec = elf_getscn(runtime_ss->elf, sym.st_shndx);  in dso__load_sym()
1110 static int elf_read_maps(Elf *elf, bool exe, mapfn_t mapfn, void *data)  in elf_read_maps()  argument
1117 	if (elf_getphdrnum(elf, &phdrnum))  in elf_read_maps()
1121 		if (gelf_getphdr(elf, i, &phdr) == NULL)  in elf_read_maps()
1146 	Elf *elf;  in file__read_maps()  local
1148 	elf = elf_begin(fd, PERF_ELF_C_READ_MMAP, NULL);  in file__read_maps()
1149 	if (elf == NULL)  in file__read_maps()
1153 		*is_64_bit = (gelf_getclass(elf) == ELFCLASS64);  in file__read_maps()
1155 	err = elf_read_maps(elf, exe, mapfn, data);  in file__read_maps()
1157 	elf_end(elf);  in file__read_maps()
1166 	Elf *elf;  in dso__type_fd()  local
1168 	elf = elf_begin(fd, PERF_ELF_C_READ_MMAP, NULL);  in dso__type_fd()
1169 	if (elf == NULL)  in dso__type_fd()
1172 	ek = elf_kind(elf);  in dso__type_fd()
1176 	if (gelf_getclass(elf) == ELFCLASS64) {  in dso__type_fd()
1181 	if (gelf_getehdr(elf, &ehdr) == NULL)  in dso__type_fd()
1189 	elf_end(elf);  in dso__type_fd()
1238 	Elf *elf;  member
1250 	kcore->elf = elf_begin(kcore->fd, ELF_C_READ, NULL);  in kcore__open()
1251 	if (!kcore->elf)  in kcore__open()
1254 	kcore->elfclass = gelf_getclass(kcore->elf);  in kcore__open()
1258 	ehdr = gelf_getehdr(kcore->elf, &kcore->ehdr);  in kcore__open()
1265 	elf_end(kcore->elf);  in kcore__open()
1283 	kcore->elf = elf_begin(kcore->fd, ELF_C_WRITE, NULL);  in kcore__init()
1284 	if (!kcore->elf)  in kcore__init()
1287 	if (!gelf_newehdr(kcore->elf, elfclass))  in kcore__init()
1295 	elf_end(kcore->elf);  in kcore__init()
1304 	elf_end(kcore->elf);  in kcore__close()
1335 	if (!gelf_update_ehdr(to->elf, ehdr))  in kcore__copy_hdr()
1338 	if (!gelf_newphdr(to->elf, count))  in kcore__copy_hdr()
1358 	if (!gelf_update_phdr(kcore->elf, idx, &phdr))  in kcore__add_phdr()
1366 	return elf_update(kcore->elf, ELF_C_WRITE);  in kcore__write()
1490 static int kcore_copy__read_maps(struct kcore_copy_info *kci, Elf *elf)  in kcore_copy__read_maps()  argument
1492 	if (elf_read_maps(elf, true, kcore_copy__read_map, kci) < 0)  in kcore_copy__read_maps()
1499 				 Elf *elf)  in kcore_copy__calc_maps()  argument
1533 	return kcore_copy__read_maps(kci, elf);  in kcore_copy__calc_maps()
1675 	if (kcore_copy__calc_maps(&kci, from_dir, kcore.elf))  in kcore_copy()