24 struct section *find_section_by_name(struct elf *elf, const char *name)  in find_section_by_name()  argument
28 	list_for_each_entry(sec, &elf->sections, list)  in find_section_by_name()
35 static struct section *find_section_by_index(struct elf *elf,  in find_section_by_index()  argument
40 	list_for_each_entry(sec, &elf->sections, list)  in find_section_by_index()
47 static struct symbol *find_symbol_by_index(struct elf *elf, unsigned int idx)  in find_symbol_by_index()  argument
52 	list_for_each_entry(sec, &elf->sections, list)  in find_symbol_by_index()
72 struct symbol *find_symbol_by_name(struct elf *elf, const char *name)  in find_symbol_by_name()  argument
77 	list_for_each_entry(sec, &elf->sections, list)  in find_symbol_by_name()
131 static int read_sections(struct elf *elf)  in read_sections()  argument
138 	if (elf_getshdrnum(elf->elf, &sections_nr)) {  in read_sections()
143 	if (elf_getshdrstrndx(elf->elf, &shstrndx)) {  in read_sections()
161 		list_add_tail(&sec->list, &elf->sections);  in read_sections()
163 		s = elf_getscn(elf->elf, i);  in read_sections()
176 		sec->name = elf_strptr(elf->elf, shstrndx, sec->sh.sh_name);  in read_sections()
199 	if (elf_nextscn(elf->elf, s)) {  in read_sections()
207 static int read_symbols(struct elf *elf)  in read_symbols()  argument
215 	symtab = find_section_by_name(elf, ".symtab");  in read_symbols()
239 		sym->name = elf_strptr(elf->elf, symtab->sh.sh_link,  in read_symbols()
251 			sym->sec = find_section_by_index(elf,  in read_symbols()
263 			sym->sec = find_section_by_index(elf, 0);  in read_symbols()
296 	list_for_each_entry(sec, &elf->sections, list) {  in read_symbols()
316 			pfunc = find_symbol_by_name(elf, pname);  in read_symbols()
350 static int read_relas(struct elf *elf)  in read_relas()  argument
357 	list_for_each_entry(sec, &elf->sections, list) {  in read_relas()
361 		sec->base = find_section_by_name(elf, sec->name + 5);  in read_relas()
387 			rela->sym = find_symbol_by_index(elf, symndx);  in read_relas()
404 struct elf *elf_read(const char *name, int flags)  in elf_read()
406 	struct elf *elf;  in elf_read()  local
411 	elf = malloc(sizeof(*elf));  in elf_read()
412 	if (!elf) {  in elf_read()
416 	memset(elf, 0, sizeof(*elf));  in elf_read()
418 	INIT_LIST_HEAD(&elf->sections);  in elf_read()
420 	elf->fd = open(name, flags);  in elf_read()
421 	if (elf->fd == -1) {  in elf_read()
434 	elf->elf = elf_begin(elf->fd, cmd, NULL);  in elf_read()
435 	if (!elf->elf) {  in elf_read()
440 	if (!gelf_getehdr(elf->elf, &elf->ehdr)) {  in elf_read()
445 	if (read_sections(elf))  in elf_read()
448 	if (read_symbols(elf))  in elf_read()
451 	if (read_relas(elf))  in elf_read()
454 	return elf;  in elf_read()
457 	elf_close(elf);  in elf_read()
461 struct section *elf_create_section(struct elf *elf, const char *name,  in elf_create_section()  argument
481 	list_add_tail(&sec->list, &elf->sections);  in elf_create_section()
483 	s = elf_newscn(elf->elf);  in elf_create_section()
530 	shstrtab = find_section_by_name(elf, ".shstrtab");  in elf_create_section()
532 		shstrtab = find_section_by_name(elf, ".strtab");  in elf_create_section()
538 	s = elf_getscn(elf->elf, shstrtab->idx);  in elf_create_section()
562 struct section *elf_create_rela_section(struct elf *elf, struct section *base)  in elf_create_rela_section()  argument
575 	sec = elf_create_section(elf, relaname, sizeof(GElf_Rela), 0);  in elf_create_rela_section()
585 	sec->sh.sh_link = find_section_by_name(elf, ".symtab")->idx;  in elf_create_rela_section()
625 int elf_write(struct elf *elf)  in elf_write()  argument
631 	list_for_each_entry(sec, &elf->sections, list) {  in elf_write()
633 			s = elf_getscn(elf->elf, sec->idx);  in elf_write()
646 	elf_flagelf(elf->elf, ELF_C_SET, ELF_F_DIRTY);  in elf_write()
649 	if (elf_update(elf->elf, ELF_C_WRITE) < 0) {  in elf_write()
657 void elf_close(struct elf *elf)  in elf_close()  argument
663 	if (elf->elf)  in elf_close()
664 		elf_end(elf->elf);  in elf_close()
666 	if (elf->fd > 0)  in elf_close()
667 		close(elf->fd);  in elf_close()
669 	list_for_each_entry_safe(sec, tmpsec, &elf->sections, list) {  in elf_close()
684 	free(elf);  in elf_close()