Lines Matching refs:elf
65 static int elf_getphdrnum(Elf *elf, size_t *dst) in elf_getphdrnum() argument
70 ehdr = gelf_getehdr(elf, &gehdr); in elf_getphdrnum()
81 static int elf_getshdrstrndx(Elf *elf __maybe_unused, size_t *dst __maybe_unused) in elf_getshdrstrndx()
178 static size_t elf_addr_to_index(Elf *elf, GElf_Addr addr) in elf_addr_to_index() argument
184 while ((sec = elf_nextscn(elf, sec)) != NULL) { in elf_addr_to_index()
197 Elf_Scn *elf_section_by_name(Elf *elf, GElf_Ehdr *ep, in elf_section_by_name() argument
204 if (!elf_rawdata(elf_getscn(elf, ep->e_shstrndx), NULL)) in elf_section_by_name()
207 while ((sec = elf_nextscn(elf, sec)) != NULL) { in elf_section_by_name()
211 str = elf_strptr(elf, ep->e_shstrndx, shp->sh_name); in elf_section_by_name()
226 Elf *elf; in filename__has_section() local
235 elf = elf_begin(fd, PERF_ELF_C_READ_MMAP, NULL); in filename__has_section()
236 if (elf == NULL) in filename__has_section()
239 if (gelf_getehdr(elf, &ehdr) == NULL) in filename__has_section()
242 found = !!elf_section_by_name(elf, &ehdr, &shdr, sec, NULL); in filename__has_section()
245 elf_end(elf); in filename__has_section()
251 static int elf_read_program_header(Elf *elf, u64 vaddr, GElf_Phdr *phdr) in elf_read_program_header() argument
256 if (elf_getphdrnum(elf, &phdrnum)) in elf_read_program_header()
260 if (gelf_getphdr(elf, i, phdr) == NULL) in elf_read_program_header()
346 static bool get_ifunc_name(Elf *elf, struct dso *dso, GElf_Ehdr *ehdr, in get_ifunc_name() argument
356 if (elf_read_program_header(elf, addr, &phdr)) in get_ifunc_name()
482 static void get_rela_dyn_info(Elf *elf, GElf_Ehdr *ehdr, struct rela_dyn_info *di, Elf_Scn *scn) in get_rela_dyn_info() argument
489 scn = elf_section_by_name(elf, ehdr, &rela_dyn_shdr, ".rela.dyn", NULL); in get_rela_dyn_info()
496 scn = elf_getscn(elf, rela_dyn_shdr.sh_link); in get_rela_dyn_info()
501 di->dynstr_data = elf_getdata(elf_getscn(elf, shdr.sh_link), NULL); in get_rela_dyn_info()
576 static int dso__synthesize_plt_got_symbols(struct dso *dso, Elf *elf, in dso__synthesize_plt_got_symbols() argument
587 scn = elf_section_by_name(elf, ehdr, &shdr, ".plt.got", NULL); in dso__synthesize_plt_got_symbols()
592 get_rela_dyn_info(elf, ehdr, &di, scn); in dso__synthesize_plt_got_symbols()
627 Elf *elf; in dso__synthesize_plt_symbols() local
632 elf = ss->elf; in dso__synthesize_plt_symbols()
635 if (!elf_section_by_name(elf, &ehdr, &shdr_plt, ".plt", NULL)) in dso__synthesize_plt_symbols()
658 dso__synthesize_plt_got_symbols(dso, elf, &ehdr, sympltname, sizeof(sympltname))) in dso__synthesize_plt_symbols()
663 elf_section_by_name(elf, &ehdr, &plt_sec_shdr, ".plt.sec", NULL)) { in dso__synthesize_plt_symbols()
676 scn_plt_rel = elf_section_by_name(elf, &ehdr, &shdr_rel_plt, in dso__synthesize_plt_symbols()
679 scn_plt_rel = elf_section_by_name(elf, &ehdr, &shdr_rel_plt, in dso__synthesize_plt_symbols()
721 scn_symstrs = elf_getscn(elf, shdr_dynsym.sh_link); in dso__synthesize_plt_symbols()
766 else if (!get_ifunc_name(elf, dso, &ehdr, &ri, sympltname, sizeof(sympltname))) in dso__synthesize_plt_symbols()
795 static int elf_read_build_id(Elf *elf, void *bf, size_t size) in elf_read_build_id() argument
808 ek = elf_kind(elf); in elf_read_build_id()
812 if (gelf_getehdr(elf, &ehdr) == NULL) { in elf_read_build_id()
824 sec = elf_section_by_name(elf, &ehdr, &shdr, in elf_read_build_id()
829 sec = elf_section_by_name(elf, &ehdr, &shdr, in elf_read_build_id()
834 sec = elf_section_by_name(elf, &ehdr, &shdr, in elf_read_build_id()
909 Elf *elf; in read_build_id() local
918 elf = elf_begin(fd, PERF_ELF_C_READ_MMAP, NULL); in read_build_id()
919 if (elf == NULL) { in read_build_id()
924 err = elf_read_build_id(elf, bid->data, size); in read_build_id()
928 elf_end(elf); in read_build_id()
1062 Elf *elf; in filename__read_debuglink() local
1073 elf = elf_begin(fd, PERF_ELF_C_READ_MMAP, NULL); in filename__read_debuglink()
1074 if (elf == NULL) { in filename__read_debuglink()
1079 ek = elf_kind(elf); in filename__read_debuglink()
1083 if (gelf_getehdr(elf, &ehdr) == NULL) { in filename__read_debuglink()
1088 sec = elf_section_by_name(elf, &ehdr, &shdr, in filename__read_debuglink()
1103 elf_end(elf); in filename__read_debuglink()
1125 elf_end(ss->elf); in symsrc__destroy()
1140 static Elf *read_gnu_debugdata(struct dso *dso, Elf *elf, const char *name, int *fd_ret) in read_gnu_debugdata() argument
1152 if (gelf_getehdr(elf, &ehdr) == NULL) { in read_gnu_debugdata()
1158 scn = elf_section_by_name(elf, &ehdr, &shdr, ".gnu_debugdata", &shndx); in read_gnu_debugdata()
1219 Elf *elf; in symsrc__init() local
1236 elf = elf_begin(fd, PERF_ELF_C_READ_MMAP, NULL); in symsrc__init()
1237 if (elf == NULL) { in symsrc__init()
1245 Elf *embedded = read_gnu_debugdata(dso, elf, name, &new_fd); in symsrc__init()
1250 elf_end(elf); in symsrc__init()
1253 elf = embedded; in symsrc__init()
1256 if (gelf_getehdr(elf, &ehdr) == NULL) { in symsrc__init()
1273 size = elf_read_build_id(elf, build_id, BUILD_ID_SIZE); in symsrc__init()
1287 ss->is_64_bit = (gelf_getclass(elf) == ELFCLASS64); in symsrc__init()
1290 ss->symtab = elf_section_by_name(elf, &ehdr, &ss->symshdr, ".symtab", in symsrc__init()
1296 ss->dynsym = elf_section_by_name(elf, &ehdr, &ss->dynshdr, ".dynsym", in symsrc__init()
1302 ss->opdsec = elf_section_by_name(elf, &ehdr, &ss->opdshdr, ".opd", in symsrc__init()
1318 ss->elf = elf; in symsrc__init()
1326 elf_end(elf); in symsrc__init()
1343 static u64 max_text_section(Elf *elf, GElf_Ehdr *ehdr) in max_text_section() argument
1355 if (!elf_rawdata(elf_getscn(elf, ehdr->e_shstrndx), NULL)) in max_text_section()
1358 while ((sec = elf_nextscn(elf, sec)) != NULL) { in max_text_section()
1368 sec_name = elf_strptr(elf, ehdr->e_shstrndx, shdr.sh_name); in max_text_section()
1555 Elf *elf; in dso__load_sym_internal() local
1563 elf = syms_ss->elf; in dso__load_sym_internal()
1573 if (elf_section_by_name(runtime_ss->elf, &runtime_ss->ehdr, &tshdr, in dso__load_sym_internal()
1586 sec = elf_getscn(elf, shdr.sh_link); in dso__load_sym_internal()
1594 sec_strndx = elf_getscn(runtime_ss->elf, runtime_ss->ehdr.e_shstrndx); in dso__load_sym_internal()
1602 sec_strndx = elf_getscn(elf, ehdr.e_shstrndx); in dso__load_sym_internal()
1648 max_text_sh_offset = max_text_section(runtime_ss->elf, &runtime_ss->ehdr); in dso__load_sym_internal()
1681 sym.st_shndx = elf_addr_to_index(runtime_ss->elf, in dso__load_sym_internal()
1698 sec = elf_getscn(syms_ss->elf, sym.st_shndx); in dso__load_sym_internal()
1724 sec = elf_getscn(runtime_ss->elf, sym.st_shndx); in dso__load_sym_internal()
1757 if (elf_read_program_header(runtime_ss->elf, in dso__load_sym_internal()
1879 static int elf_read_maps(Elf *elf, bool exe, mapfn_t mapfn, void *data) in elf_read_maps() argument
1886 if (elf_getphdrnum(elf, &phdrnum)) in elf_read_maps()
1890 if (gelf_getphdr(elf, i, &phdr) == NULL) in elf_read_maps()
1915 Elf *elf; in file__read_maps() local
1917 elf = elf_begin(fd, PERF_ELF_C_READ_MMAP, NULL); in file__read_maps()
1918 if (elf == NULL) in file__read_maps()
1922 *is_64_bit = (gelf_getclass(elf) == ELFCLASS64); in file__read_maps()
1924 err = elf_read_maps(elf, exe, mapfn, data); in file__read_maps()
1926 elf_end(elf); in file__read_maps()
1935 Elf *elf; in dso__type_fd() local
1937 elf = elf_begin(fd, PERF_ELF_C_READ_MMAP, NULL); in dso__type_fd()
1938 if (elf == NULL) in dso__type_fd()
1941 ek = elf_kind(elf); in dso__type_fd()
1945 if (gelf_getclass(elf) == ELFCLASS64) { in dso__type_fd()
1950 if (gelf_getehdr(elf, &ehdr) == NULL) in dso__type_fd()
1958 elf_end(elf); in dso__type_fd()
2007 Elf *elf; member
2019 kcore->elf = elf_begin(kcore->fd, ELF_C_READ, NULL); in kcore__open()
2020 if (!kcore->elf) in kcore__open()
2023 kcore->elfclass = gelf_getclass(kcore->elf); in kcore__open()
2027 ehdr = gelf_getehdr(kcore->elf, &kcore->ehdr); in kcore__open()
2034 elf_end(kcore->elf); in kcore__open()
2052 kcore->elf = elf_begin(kcore->fd, ELF_C_WRITE, NULL); in kcore__init()
2053 if (!kcore->elf) in kcore__init()
2056 if (!gelf_newehdr(kcore->elf, elfclass)) in kcore__init()
2064 elf_end(kcore->elf); in kcore__init()
2073 elf_end(kcore->elf); in kcore__close()
2104 if (!gelf_update_ehdr(to->elf, ehdr)) in kcore__copy_hdr()
2107 if (!gelf_newphdr(to->elf, count)) in kcore__copy_hdr()
2127 if (!gelf_update_phdr(kcore->elf, idx, &phdr)) in kcore__add_phdr()
2135 return elf_update(kcore->elf, ELF_C_WRITE); in kcore__write()
2347 static int kcore_copy__read_maps(struct kcore_copy_info *kci, Elf *elf) in kcore_copy__read_maps() argument
2349 if (elf_read_maps(elf, true, kcore_copy__read_map, kci) < 0) in kcore_copy__read_maps()
2414 Elf *elf) in kcore_copy__calc_maps() argument
2452 if (kcore_copy__read_maps(kci, elf)) in kcore_copy__calc_maps()
2602 if (kcore_copy__calc_maps(&kci, from_dir, kcore.elf)) in kcore_copy()
2611 offset = gelf_fsize(extract.elf, ELF_T_EHDR, 1, EV_CURRENT) + in kcore_copy()
2612 gelf_fsize(extract.elf, ELF_T_PHDR, kci.phnum, EV_CURRENT); in kcore_copy()
2744 static int populate_sdt_note(Elf **elf, const char *data, size_t len, in populate_sdt_note() argument
2760 .d_size = gelf_fsize((*elf), ELF_T_ADDR, NR_ADDR, EV_CURRENT), in populate_sdt_note()
2781 if (gelf_xlatetom(*elf, &dst, &src, in populate_sdt_note()
2782 elf_getident(*elf, NULL)[EI_DATA]) == NULL) { in populate_sdt_note()
2824 if (gelf_getclass(*elf) == ELFCLASS32) { in populate_sdt_note()
2832 if (!gelf_getehdr(*elf, &ehdr)) { in populate_sdt_note()
2845 if (elf_section_by_name(*elf, &ehdr, &shdr, SDT_BASE_SCN, NULL)) in populate_sdt_note()
2849 if (elf_section_by_name(*elf, &ehdr, &shdr, SDT_PROBES_SCN, NULL)) in populate_sdt_note()
2876 static int construct_sdt_notes_list(Elf *elf, struct list_head *sdt_notes) in construct_sdt_notes_list() argument
2887 if (gelf_getehdr(elf, &ehdr) == NULL) { in construct_sdt_notes_list()
2891 if (elf_getshdrstrndx(elf, &shstrndx) != 0) { in construct_sdt_notes_list()
2897 scn = elf_section_by_name(elf, &ehdr, &shdr, SDT_NOTE_SCN, NULL); in construct_sdt_notes_list()
2920 ret = populate_sdt_note(&elf, ((data->d_buf) + desc_off), in construct_sdt_notes_list()
2943 Elf *elf; in get_sdt_note_list() local
2950 elf = elf_begin(fd, PERF_ELF_C_READ_MMAP, NULL); in get_sdt_note_list()
2951 if (!elf) { in get_sdt_note_list()
2955 ret = construct_sdt_notes_list(elf, head); in get_sdt_note_list()
2956 elf_end(elf); in get_sdt_note_list()