136 	struct section *sec;  in find_section_by_name()  local
138 	elf_hash_for_each_possible(section_name, sec, name_hash, str_hash(name)) {  in find_section_by_name()
139 		if (!strcmp(sec->name, name))  in find_section_by_name()
140 			return sec;  in find_section_by_name()
149 	struct section *sec;  in find_section_by_index()  local
151 	elf_hash_for_each_possible(section, sec, hash, idx) {  in find_section_by_index()
152 		if (sec->idx == idx)  in find_section_by_index()
153 			return sec;  in find_section_by_index()
171 struct symbol *find_symbol_by_offset(struct section *sec, unsigned long offset)  in find_symbol_by_offset()  argument
173 	struct rb_root_cached *tree = (struct rb_root_cached *)&sec->symbol_tree;  in find_symbol_by_offset()
184 struct symbol *find_func_by_offset(struct section *sec, unsigned long offset)  in find_func_by_offset()  argument
186 	struct rb_root_cached *tree = (struct rb_root_cached *)&sec->symbol_tree;  in find_func_by_offset()
197 struct symbol *find_symbol_containing(const struct section *sec, unsigned long offset)  in find_symbol_containing()  argument
199 	struct rb_root_cached *tree = (struct rb_root_cached *)&sec->symbol_tree;  in find_symbol_containing()
228 int find_symbol_hole_containing(const struct section *sec, unsigned long offset)  in find_symbol_hole_containing()  argument
240 	n = rb_find(&hole, &sec->symbol_tree.rb_root, symbol_hole_by_offset);  in find_symbol_hole_containing()
255 		n = rb_first_cached(&sec->symbol_tree);  in find_symbol_hole_containing()
265 struct symbol *find_func_containing(struct section *sec, unsigned long offset)  in find_func_containing()  argument
267 	struct rb_root_cached *tree = (struct rb_root_cached *)&sec->symbol_tree;  in find_func_containing()
319 struct reloc *find_reloc_by_dest_range(const struct elf *elf, struct section *sec,  in find_reloc_by_dest_range()  argument
326 	rsec = sec->rsec;  in find_reloc_by_dest_range()
333 			if (reloc->sec != rsec)  in find_reloc_by_dest_range()
349 struct reloc *find_reloc_by_dest(const struct elf *elf, struct section *sec, unsigned long offset)  in find_reloc_by_dest()  argument
351 	return find_reloc_by_dest_range(elf, sec, offset, 1);  in find_reloc_by_dest()
354 static bool is_dwarf_section(struct section *sec)  in is_dwarf_section()  argument
356 	return !strncmp(sec->name, ".debug_", 7);  in is_dwarf_section()
362 	struct section *sec;  in read_sections()  local
380 	elf->section_data = calloc(sections_nr, sizeof(*sec));  in read_sections()
386 		sec = &elf->section_data[i];  in read_sections()
388 		INIT_LIST_HEAD(&sec->symbol_list);  in read_sections()
396 		sec->idx = elf_ndxscn(s);  in read_sections()
398 		if (!gelf_getshdr(s, &sec->sh)) {  in read_sections()
403 		sec->name = elf_strptr(elf->elf, shstrndx, sec->sh.sh_name);  in read_sections()
404 		if (!sec->name) {  in read_sections()
409 		if (sec_size(sec) != 0 && !is_dwarf_section(sec)) {  in read_sections()
410 			sec->data = elf_getdata(s, NULL);  in read_sections()
411 			if (!sec->data) {  in read_sections()
415 			if (sec->data->d_off != 0 ||  in read_sections()
416 			    sec->data->d_size != sec_size(sec)) {  in read_sections()
417 				ERROR("unexpected data attributes for %s", sec->name);  in read_sections()
422 		list_add_tail(&sec->list, &elf->sections);  in read_sections()
423 		elf_hash_add(section, &sec->hash, sec->idx);  in read_sections()
424 		elf_hash_add(section_name, &sec->name_hash, str_hash(sec->name));  in read_sections()
426 		if (is_reloc_sec(sec))  in read_sections()
427 			elf->num_relocs += sec_num_entries(sec);  in read_sections()
493 	__sym_for_each(iter, &sym->sec->symbol_tree, sym->offset, sym->offset) {  in elf_add_symbol()
499 	__sym_insert(sym, &sym->sec->symbol_tree);  in elf_add_symbol()
504 		entry = &sym->sec->symbol_list;  in elf_add_symbol()
542 	struct section *symtab, *symtab_shndx, *sec;  in read_symbols()  local
602 			sym->sec = find_section_by_index(elf, shndx);  in read_symbols()
603 			if (!sym->sec) {  in read_symbols()
608 				sym->name = sym->sec->name;  in read_symbols()
609 				sym->sec->sym = sym;  in read_symbols()
612 			sym->sec = find_section_by_index(elf, 0);  in read_symbols()
629 	list_for_each_entry(sec, &elf->sections, list) {  in read_symbols()
630 		sec_for_each_sym(sec, sym) {  in read_symbols()
672 			if (sym->sec == pfunc->sec &&  in read_symbols()
685 	struct section *symtab, *sec;  in mark_group_syms()  local
694 	for_each_sec(elf, sec) {  in mark_group_syms()
695 		if (sec->sh.sh_type == SHT_GROUP &&  in mark_group_syms()
696 		    sec->sh.sh_link == symtab->idx) {  in mark_group_syms()
697 			sym = find_symbol_by_index(elf, sec->sh.sh_info);  in mark_group_syms()
700 				      sec->name);  in mark_group_syms()
704 			sym->group_sec = sec;  in mark_group_syms()
743 	shndx = is_special_shndx ? sym->sym.st_shndx : sym->sec->idx;  in elf_update_symbol()
862 				 struct section *sec, unsigned int bind,  in elf_create_symbol()  argument
888 	if (sec) {  in elf_create_symbol()
889 		sym->sec = sec;  in elf_create_symbol()
891 		sym->sec = find_section_by_index(elf, 0);  in elf_create_symbol()
892 		if (!sym->sec) {  in elf_create_symbol()
967 struct symbol *elf_create_section_symbol(struct elf *elf, struct section *sec)  in elf_create_section_symbol()  argument
971 	sym = elf_create_symbol(elf, sec->name, sec, STB_LOCAL, STT_SECTION, 0, 0);  in elf_create_section_symbol()
975 	sec->sym = sym;  in elf_create_section_symbol()
1000 	reloc->sec = rsec;  in elf_init_reloc()
1015 struct reloc *elf_init_reloc_text_sym(struct elf *elf, struct section *sec,  in elf_init_reloc_text_sym()  argument
1041 	return elf_init_reloc(elf, sec->rsec, reloc_idx, offset, sym, addend,  in elf_init_reloc_text_sym()
1045 struct reloc *elf_init_reloc_data_sym(struct elf *elf, struct section *sec,  in elf_init_reloc_data_sym()  argument
1051 	if (is_text_sec(sec)) {  in elf_init_reloc_data_sym()
1056 	return elf_init_reloc(elf, sec->rsec, reloc_idx, offset, sym, addend,  in elf_init_reloc_data_sym()
1097 			reloc->sec = rsec;  in read_relocs()
1316 	sym->sec = null;  in elf_create_file()
1346 void *elf_add_data(struct elf *elf, struct section *sec, const void *data, size_t size)  in elf_add_data()  argument
1351 	if (!sec->sh.sh_addralign) {  in elf_add_data()
1352 		ERROR("'%s': invalid sh_addralign", sec->name);  in elf_add_data()
1356 	s = elf_getscn(elf->elf, sec->idx);  in elf_add_data()
1362 	sec->data = elf_newdata(s);  in elf_add_data()
1363 	if (!sec->data) {  in elf_add_data()
1368 	sec->data->d_buf = calloc(1, size);  in elf_add_data()
1369 	if (!sec->data->d_buf) {  in elf_add_data()
1375 		memcpy(sec->data->d_buf, data, size);  in elf_add_data()
1377 	sec->data->d_size = size;  in elf_add_data()
1378 	sec->data->d_align = sec->sh.sh_addralign;  in elf_add_data()
1380 	offset = ALIGN(sec->sh.sh_size, sec->sh.sh_addralign);  in elf_add_data()
1381 	sec->sh.sh_size = offset + size;  in elf_add_data()
1383 	mark_sec_changed(elf, sec, true);  in elf_add_data()
1385 	return sec->data->d_buf;  in elf_add_data()
1393 	struct section *sec, *shstrtab;  in elf_create_section()  local
1401 	sec = calloc(1, sizeof(*sec));  in elf_create_section()
1402 	if (!sec) {  in elf_create_section()
1407 	INIT_LIST_HEAD(&sec->symbol_list);  in elf_create_section()
1419 	sec->idx = elf_ndxscn(s);  in elf_create_section()
1422 		sec->data = elf_newdata(s);  in elf_create_section()
1423 		if (!sec->data) {  in elf_create_section()
1428 		sec->data->d_size = size;  in elf_create_section()
1429 		sec->data->d_align = 1;  in elf_create_section()
1431 		sec->data->d_buf = calloc(1, size);  in elf_create_section()
1432 		if (!sec->data->d_buf) {  in elf_create_section()
1438 	if (!gelf_getshdr(s, &sec->sh)) {  in elf_create_section()
1443 	sec->sh.sh_size = size;  in elf_create_section()
1444 	sec->sh.sh_entsize = entsize;  in elf_create_section()
1445 	sec->sh.sh_type = type;  in elf_create_section()
1446 	sec->sh.sh_addralign = align;  in elf_create_section()
1447 	sec->sh.sh_flags = flags;  in elf_create_section()
1450 		sec->name = strdup(name);  in elf_create_section()
1451 		if (!sec->name) {  in elf_create_section()
1465 		sec->sh.sh_name = elf_add_string(elf, shstrtab, sec->name);  in elf_create_section()
1466 		if (sec->sh.sh_name == -1)  in elf_create_section()
1469 		elf_hash_add(section_name, &sec->name_hash, str_hash(sec->name));  in elf_create_section()
1473 	list_add_tail(&sec->list, &elf->sections);  in elf_create_section()
1474 	elf_hash_add(section, &sec->hash, sec->idx);  in elf_create_section()
1476 	mark_sec_changed(elf, sec, true);  in elf_create_section()
1478 	return sec;  in elf_create_section()
1589 struct section *elf_create_rela_section(struct elf *elf, struct section *sec,  in elf_create_rela_section()  argument
1595 	rsec_name = malloc(strlen(sec->name) + strlen(".rela") + 1);  in elf_create_rela_section()
1601 	strcat(rsec_name, sec->name);  in elf_create_rela_section()
1622 	rsec->sh.sh_info = sec->idx;  in elf_create_rela_section()
1624 	sec->rsec = rsec;  in elf_create_rela_section()
1625 	rsec->base = sec;  in elf_create_rela_section()
1630 struct reloc *elf_create_reloc(struct elf *elf, struct section *sec,  in elf_create_reloc()  argument
1635 	struct section *rsec = sec->rsec;  in elf_create_reloc()
1638 		rsec = elf_create_rela_section(elf, sec, 0);  in elf_create_reloc()
1643 	if (find_reloc_by_dest(elf, sec, offset)) {  in elf_create_reloc()
1644 		ERROR_FUNC(sec, offset, "duplicate reloc");  in elf_create_reloc()
1661 	struct section *sec;  in elf_create_section_pair()  local
1663 	sec = elf_create_section(elf, name, nr * entsize, entsize,  in elf_create_section_pair()
1665 	if (!sec)  in elf_create_section_pair()
1668 	if (!elf_create_rela_section(elf, sec, nr_relocs))  in elf_create_section_pair()
1671 	return sec;  in elf_create_section_pair()
1674 int elf_write_insn(struct elf *elf, struct section *sec,  in elf_write_insn()  argument
1678 	Elf_Data *data = sec->data;  in elf_write_insn()
1681 		ERROR("write to unexpected data for section: %s", sec->name);  in elf_write_insn()
1687 	mark_sec_changed(elf, sec, true);  in elf_write_insn()
1701 static int elf_truncate_section(struct elf *elf, struct section *sec)  in elf_truncate_section()  argument
1703 	u64 size = sec_size(sec);  in elf_truncate_section()
1708 	s = elf_getscn(elf->elf, sec->idx);  in elf_truncate_section()
1747 	struct section *sec;  in elf_write()  local
1751 	list_for_each_entry(sec, &elf->sections, list) {  in elf_write()
1752 		if (sec->truncate && elf_truncate_section(elf, sec))  in elf_write()
1755 		if (sec_changed(sec)) {  in elf_write()
1756 			s = elf_getscn(elf->elf, sec->idx);  in elf_write()
1763 			if (!gelf_update_shdr(s, &sec->sh)) {  in elf_write()
1768 			mark_sec_changed(elf, sec, false);  in elf_write()