75 static int elf_getphdrnum(Elf *elf, size_t *dst)  in elf_getphdrnum()  argument
80 	ehdr = gelf_getehdr(elf, &gehdr);  in elf_getphdrnum()
91 static int elf_getshdrstrndx(Elf *elf __maybe_unused, size_t *dst __maybe_unused)  in elf_getshdrstrndx()
188 static size_t elf_addr_to_index(Elf *elf, GElf_Addr addr)  in elf_addr_to_index()  argument
194 	while ((sec = elf_nextscn(elf, sec)) != NULL) {  in elf_addr_to_index()
207 Elf_Scn *elf_section_by_name(Elf *elf, GElf_Ehdr *ep,  in elf_section_by_name()  argument
214 	if (!elf_rawdata(elf_getscn(elf, ep->e_shstrndx), NULL))  in elf_section_by_name()
217 	while ((sec = elf_nextscn(elf, sec)) != NULL) {  in elf_section_by_name()
221 		str = elf_strptr(elf, ep->e_shstrndx, shp->sh_name);  in elf_section_by_name()
294 	Elf *elf;  in dso__synthesize_plt_symbols()  local
300 	elf = ss->elf;  in dso__synthesize_plt_symbols()
310 	scn_plt_rel = elf_section_by_name(elf, &ehdr, &shdr_rel_plt,  in dso__synthesize_plt_symbols()
313 		scn_plt_rel = elf_section_by_name(elf, &ehdr, &shdr_rel_plt,  in dso__synthesize_plt_symbols()
324 	if (elf_section_by_name(elf, &ehdr, &shdr_plt, ".plt", NULL) == NULL)  in dso__synthesize_plt_symbols()
339 	scn_symstrs = elf_getscn(elf, shdr_dynsym.sh_link);  in dso__synthesize_plt_symbols()
454 static int elf_read_build_id(Elf *elf, void *bf, size_t size)  in elf_read_build_id()  argument
467 	ek = elf_kind(elf);  in elf_read_build_id()
471 	if (gelf_getehdr(elf, &ehdr) == NULL) {  in elf_read_build_id()
483 		sec = elf_section_by_name(elf, &ehdr, &shdr,  in elf_read_build_id()
488 		sec = elf_section_by_name(elf, &ehdr, &shdr,  in elf_read_build_id()
493 		sec = elf_section_by_name(elf, &ehdr, &shdr,  in elf_read_build_id()
536 	Elf *elf;  in filename__read_build_id()  local
545 	elf = elf_begin(fd, PERF_ELF_C_READ_MMAP, NULL);  in filename__read_build_id()
546 	if (elf == NULL) {  in filename__read_build_id()
551 	err = elf_read_build_id(elf, bf, size);  in filename__read_build_id()
553 	elf_end(elf);  in filename__read_build_id()
615 	Elf *elf;  in filename__read_debuglink()  local
626 	elf = elf_begin(fd, PERF_ELF_C_READ_MMAP, NULL);  in filename__read_debuglink()
627 	if (elf == NULL) {  in filename__read_debuglink()
632 	ek = elf_kind(elf);  in filename__read_debuglink()
636 	if (gelf_getehdr(elf, &ehdr) == NULL) {  in filename__read_debuglink()
641 	sec = elf_section_by_name(elf, &ehdr, &shdr,  in filename__read_debuglink()
656 	elf_end(elf);  in filename__read_debuglink()
703 	elf_end(ss->elf);  in symsrc__destroy()
716 	Elf *elf;  in symsrc__init()  local
733 	elf = elf_begin(fd, PERF_ELF_C_READ_MMAP, NULL);  in symsrc__init()
734 	if (elf == NULL) {  in symsrc__init()
740 	if (gelf_getehdr(elf, &ehdr) == NULL) {  in symsrc__init()
755 		if (elf_read_build_id(elf, build_id, BUILD_ID_SIZE) < 0) {  in symsrc__init()
767 	ss->is_64_bit = (gelf_getclass(elf) == ELFCLASS64);  in symsrc__init()
769 	ss->symtab = elf_section_by_name(elf, &ehdr, &ss->symshdr, ".symtab",  in symsrc__init()
775 	ss->dynsym = elf_section_by_name(elf, &ehdr, &ss->dynshdr, ".dynsym",  in symsrc__init()
781 	ss->opdsec = elf_section_by_name(elf, &ehdr, &ss->opdshdr, ".opd",  in symsrc__init()
797 	ss->elf    = elf;  in symsrc__init()
805 	elf_end(elf);  in symsrc__init()
966 	Elf *elf;  in dso__load_sym()  local
997 	elf = syms_ss->elf;  in dso__load_sym()
1002 	if (elf_section_by_name(runtime_ss->elf, &runtime_ss->ehdr, &tshdr,  in dso__load_sym()
1013 	sec = elf_getscn(elf, shdr.sh_link);  in dso__load_sym()
1021 	sec_strndx = elf_getscn(runtime_ss->elf, runtime_ss->ehdr.e_shstrndx);  in dso__load_sym()
1090 			sym.st_shndx = elf_addr_to_index(runtime_ss->elf,  in dso__load_sym()
1106 		sec = elf_getscn(runtime_ss->elf, sym.st_shndx);  in dso__load_sym()
1173 static int elf_read_maps(Elf *elf, bool exe, mapfn_t mapfn, void *data)  in elf_read_maps()  argument
1180 	if (elf_getphdrnum(elf, &phdrnum))  in elf_read_maps()
1184 		if (gelf_getphdr(elf, i, &phdr) == NULL)  in elf_read_maps()
1209 	Elf *elf;  in file__read_maps()  local
1211 	elf = elf_begin(fd, PERF_ELF_C_READ_MMAP, NULL);  in file__read_maps()
1212 	if (elf == NULL)  in file__read_maps()
1216 		*is_64_bit = (gelf_getclass(elf) == ELFCLASS64);  in file__read_maps()
1218 	err = elf_read_maps(elf, exe, mapfn, data);  in file__read_maps()
1220 	elf_end(elf);  in file__read_maps()
1229 	Elf *elf;  in dso__type_fd()  local
1231 	elf = elf_begin(fd, PERF_ELF_C_READ_MMAP, NULL);  in dso__type_fd()
1232 	if (elf == NULL)  in dso__type_fd()
1235 	ek = elf_kind(elf);  in dso__type_fd()
1239 	if (gelf_getclass(elf) == ELFCLASS64) {  in dso__type_fd()
1244 	if (gelf_getehdr(elf, &ehdr) == NULL)  in dso__type_fd()
1252 	elf_end(elf);  in dso__type_fd()
1301 	Elf *elf;  member
1313 	kcore->elf = elf_begin(kcore->fd, ELF_C_READ, NULL);  in kcore__open()
1314 	if (!kcore->elf)  in kcore__open()
1317 	kcore->elfclass = gelf_getclass(kcore->elf);  in kcore__open()
1321 	ehdr = gelf_getehdr(kcore->elf, &kcore->ehdr);  in kcore__open()
1328 	elf_end(kcore->elf);  in kcore__open()
1346 	kcore->elf = elf_begin(kcore->fd, ELF_C_WRITE, NULL);  in kcore__init()
1347 	if (!kcore->elf)  in kcore__init()
1350 	if (!gelf_newehdr(kcore->elf, elfclass))  in kcore__init()
1358 	elf_end(kcore->elf);  in kcore__init()
1367 	elf_end(kcore->elf);  in kcore__close()
1398 	if (!gelf_update_ehdr(to->elf, ehdr))  in kcore__copy_hdr()
1401 	if (!gelf_newphdr(to->elf, count))  in kcore__copy_hdr()
1421 	if (!gelf_update_phdr(kcore->elf, idx, &phdr))  in kcore__add_phdr()
1429 	return elf_update(kcore->elf, ELF_C_WRITE);  in kcore__write()
1638 static int kcore_copy__read_maps(struct kcore_copy_info *kci, Elf *elf)  in kcore_copy__read_maps()  argument
1640 	if (elf_read_maps(elf, true, kcore_copy__read_map, kci) < 0)  in kcore_copy__read_maps()
1705 				 Elf *elf)  in kcore_copy__calc_maps()  argument
1739 	if (kcore_copy__read_maps(kci, elf))  in kcore_copy__calc_maps()
1889 	if (kcore_copy__calc_maps(&kci, from_dir, kcore.elf))  in kcore_copy()
1898 	offset = gelf_fsize(extract.elf, ELF_T_EHDR, 1, EV_CURRENT) +  in kcore_copy()
1899 		 gelf_fsize(extract.elf, ELF_T_PHDR, kci.phnum, EV_CURRENT);  in kcore_copy()
2034 static int populate_sdt_note(Elf **elf, const char *data, size_t len,  in populate_sdt_note()  argument
2050 		.d_size = gelf_fsize((*elf), ELF_T_ADDR, NR_ADDR, EV_CURRENT),  in populate_sdt_note()
2071 	if (gelf_xlatetom(*elf, &dst, &src,  in populate_sdt_note()
2072 			  elf_getident(*elf, NULL)[EI_DATA]) == NULL) {  in populate_sdt_note()
2114 	if (gelf_getclass(*elf) == ELFCLASS32) {  in populate_sdt_note()
2122 	if (!gelf_getehdr(*elf, &ehdr)) {  in populate_sdt_note()
2135 	if (elf_section_by_name(*elf, &ehdr, &shdr, SDT_BASE_SCN, NULL))  in populate_sdt_note()
2139 	if (elf_section_by_name(*elf, &ehdr, &shdr, SDT_PROBES_SCN, NULL))  in populate_sdt_note()
2166 static int construct_sdt_notes_list(Elf *elf, struct list_head *sdt_notes)  in construct_sdt_notes_list()  argument
2177 	if (gelf_getehdr(elf, &ehdr) == NULL) {  in construct_sdt_notes_list()
2181 	if (elf_getshdrstrndx(elf, &shstrndx) != 0) {  in construct_sdt_notes_list()
2187 	scn = elf_section_by_name(elf, &ehdr, &shdr, SDT_NOTE_SCN, NULL);  in construct_sdt_notes_list()
2210 			ret = populate_sdt_note(&elf, ((data->d_buf) + desc_off),  in construct_sdt_notes_list()
2233 	Elf *elf;  in get_sdt_note_list()  local
2240 	elf = elf_begin(fd, PERF_ELF_C_READ_MMAP, NULL);  in get_sdt_note_list()
2241 	if (!elf) {  in get_sdt_note_list()
2245 	ret = construct_sdt_notes_list(elf, head);  in get_sdt_note_list()
2246 	elf_end(elf);  in get_sdt_note_list()