134 	struct section *sec;  in find_section_by_name()  local
136 	elf_hash_for_each_possible(section_name, sec, name_hash, str_hash(name)) {  in find_section_by_name()
137 		if (!strcmp(sec->name, name))  in find_section_by_name()
138 			return sec;  in find_section_by_name()
147 	struct section *sec;  in find_section_by_index()  local
149 	elf_hash_for_each_possible(section, sec, hash, idx) {  in find_section_by_index()
150 		if (sec->idx == idx)  in find_section_by_index()
151 			return sec;  in find_section_by_index()
169 struct symbol *find_symbol_by_offset(struct section *sec, unsigned long offset)  in find_symbol_by_offset()  argument
171 	struct rb_root_cached *tree = (struct rb_root_cached *)&sec->symbol_tree;  in find_symbol_by_offset()
182 struct symbol *find_func_by_offset(struct section *sec, unsigned long offset)  in find_func_by_offset()  argument
184 	struct rb_root_cached *tree = (struct rb_root_cached *)&sec->symbol_tree;  in find_func_by_offset()
195 struct symbol *find_symbol_containing(const struct section *sec, unsigned long offset)  in find_symbol_containing()  argument
197 	struct rb_root_cached *tree = (struct rb_root_cached *)&sec->symbol_tree;  in find_symbol_containing()
211 int find_symbol_hole_containing(const struct section *sec, unsigned long offset)  in find_symbol_hole_containing()  argument
223 	n = rb_find(&hole, &sec->symbol_tree.rb_root, symbol_hole_by_offset);  in find_symbol_hole_containing()
243 struct symbol *find_func_containing(struct section *sec, unsigned long offset)  in find_func_containing()  argument
245 	struct rb_root_cached *tree = (struct rb_root_cached *)&sec->symbol_tree;  in find_func_containing()
268 struct reloc *find_reloc_by_dest_range(const struct elf *elf, struct section *sec,  in find_reloc_by_dest_range()  argument
275 	rsec = sec->rsec;  in find_reloc_by_dest_range()
282 			if (reloc->sec != rsec)  in find_reloc_by_dest_range()
298 struct reloc *find_reloc_by_dest(const struct elf *elf, struct section *sec, unsigned long offset)  in find_reloc_by_dest()  argument
300 	return find_reloc_by_dest_range(elf, sec, offset, 1);  in find_reloc_by_dest()
303 static bool is_dwarf_section(struct section *sec)  in is_dwarf_section()  argument
305 	return !strncmp(sec->name, ".debug_", 7);  in is_dwarf_section()
311 	struct section *sec;  in read_sections()  local
329 	elf->section_data = calloc(sections_nr, sizeof(*sec));  in read_sections()
335 		sec = &elf->section_data[i];  in read_sections()
337 		INIT_LIST_HEAD(&sec->symbol_list);  in read_sections()
345 		sec->idx = elf_ndxscn(s);  in read_sections()
347 		if (!gelf_getshdr(s, &sec->sh)) {  in read_sections()
352 		sec->name = elf_strptr(elf->elf, shstrndx, sec->sh.sh_name);  in read_sections()
353 		if (!sec->name) {  in read_sections()
358 		if (sec->sh.sh_size != 0 && !is_dwarf_section(sec)) {  in read_sections()
359 			sec->data = elf_getdata(s, NULL);  in read_sections()
360 			if (!sec->data) {  in read_sections()
364 			if (sec->data->d_off != 0 ||  in read_sections()
365 			    sec->data->d_size != sec->sh.sh_size) {  in read_sections()
367 				     sec->name);  in read_sections()
372 		list_add_tail(&sec->list, &elf->sections);  in read_sections()
373 		elf_hash_add(section, &sec->hash, sec->idx);  in read_sections()
374 		elf_hash_add(section_name, &sec->name_hash, str_hash(sec->name));  in read_sections()
376 		if (is_reloc_sec(sec))  in read_sections()
377 			elf->num_relocs += sec_num_entries(sec);  in read_sections()
412 	__sym_for_each(iter, &sym->sec->symbol_tree, sym->offset, sym->offset) {  in elf_add_symbol()
417 	__sym_insert(sym, &sym->sec->symbol_tree);  in elf_add_symbol()
422 		entry = &sym->sec->symbol_list;  in elf_add_symbol()
432 		__sym_remove(sym, &sym->sec->symbol_tree);  in elf_add_symbol()
437 	struct section *symtab, *symtab_shndx, *sec;  in read_symbols()  local
494 			sym->sec = find_section_by_index(elf, shndx);  in read_symbols()
495 			if (!sym->sec) {  in read_symbols()
501 				sym->name = sym->sec->name;  in read_symbols()
502 				sym->sec->sym = sym;  in read_symbols()
505 			sym->sec = find_section_by_index(elf, 0);  in read_symbols()
516 	list_for_each_entry(sec, &elf->sections, list) {  in read_symbols()
517 		sec_for_each_sym(sec, sym) {  in read_symbols()
561 			if (sym->sec == pfunc->sec &&  in read_symbols()
600 	Elf32_Word shndx = sym->sec ? sym->sec->idx : SHN_UNDEF;  in elf_update_symbol()
794 elf_create_section_symbol(struct elf *elf, struct section *sec)  in elf_create_section_symbol()  argument
803 	sym->name = sec->name;  in elf_create_section_symbol()
804 	sym->sec = sec;  in elf_create_section_symbol()
836 	sym->sec = orig->sec;  in elf_create_prefix_symbol()
871 	reloc->sec = rsec;  in elf_init_reloc()
886 struct reloc *elf_init_reloc_text_sym(struct elf *elf, struct section *sec,  in elf_init_reloc_text_sym()  argument
915 	return elf_init_reloc(elf, sec->rsec, reloc_idx, offset, sym, addend,  in elf_init_reloc_text_sym()
919 struct reloc *elf_init_reloc_data_sym(struct elf *elf, struct section *sec,  in elf_init_reloc_data_sym()  argument
925 	if (sym->sec && (sec->sh.sh_flags & SHF_EXECINSTR)) {  in elf_init_reloc_data_sym()
931 	return elf_init_reloc(elf, sec->rsec, reloc_idx, offset, sym, addend,  in elf_init_reloc_data_sym()
969 			reloc->sec = rsec;  in read_relocs()
1093 	struct section *sec, *shstrtab;  in elf_create_section()  local
1097 	sec = malloc(sizeof(*sec));  in elf_create_section()
1098 	if (!sec) {  in elf_create_section()
1102 	memset(sec, 0, sizeof(*sec));  in elf_create_section()
1104 	INIT_LIST_HEAD(&sec->symbol_list);  in elf_create_section()
1112 	sec->name = strdup(name);  in elf_create_section()
1113 	if (!sec->name) {  in elf_create_section()
1118 	sec->idx = elf_ndxscn(s);  in elf_create_section()
1120 	sec->data = elf_newdata(s);  in elf_create_section()
1121 	if (!sec->data) {  in elf_create_section()
1126 	sec->data->d_size = size;  in elf_create_section()
1127 	sec->data->d_align = 1;  in elf_create_section()
1130 		sec->data->d_buf = malloc(size);  in elf_create_section()
1131 		if (!sec->data->d_buf) {  in elf_create_section()
1135 		memset(sec->data->d_buf, 0, size);  in elf_create_section()
1138 	if (!gelf_getshdr(s, &sec->sh)) {  in elf_create_section()
1143 	sec->sh.sh_size = size;  in elf_create_section()
1144 	sec->sh.sh_entsize = entsize;  in elf_create_section()
1145 	sec->sh.sh_type = SHT_PROGBITS;  in elf_create_section()
1146 	sec->sh.sh_addralign = 1;  in elf_create_section()
1147 	sec->sh.sh_flags = SHF_ALLOC;  in elf_create_section()
1157 	sec->sh.sh_name = elf_add_string(elf, shstrtab, sec->name);  in elf_create_section()
1158 	if (sec->sh.sh_name == -1)  in elf_create_section()
1161 	list_add_tail(&sec->list, &elf->sections);  in elf_create_section()
1162 	elf_hash_add(section, &sec->hash, sec->idx);  in elf_create_section()
1163 	elf_hash_add(section_name, &sec->name_hash, str_hash(sec->name));  in elf_create_section()
1165 	mark_sec_changed(elf, sec, true);  in elf_create_section()
1167 	return sec;  in elf_create_section()
1171 					       struct section *sec,  in elf_create_rela_section()  argument
1177 	rsec_name = malloc(strlen(sec->name) + strlen(".rela") + 1);  in elf_create_rela_section()
1183 	strcat(rsec_name, sec->name);  in elf_create_rela_section()
1194 	rsec->sh.sh_info = sec->idx;  in elf_create_rela_section()
1203 	sec->rsec = rsec;  in elf_create_rela_section()
1204 	rsec->base = sec;  in elf_create_rela_section()
1213 	struct section *sec;  in elf_create_section_pair()  local
1215 	sec = elf_create_section(elf, name, entsize, nr);  in elf_create_section_pair()
1216 	if (!sec)  in elf_create_section_pair()
1219 	if (!elf_create_rela_section(elf, sec, reloc_nr))  in elf_create_section_pair()
1222 	return sec;  in elf_create_section_pair()
1225 int elf_write_insn(struct elf *elf, struct section *sec,  in elf_write_insn()  argument
1229 	Elf_Data *data = sec->data;  in elf_write_insn()
1232 		WARN("write to unexpected data for section: %s", sec->name);  in elf_write_insn()
1238 	mark_sec_changed(elf, sec, true);  in elf_write_insn()
1252 static int elf_truncate_section(struct elf *elf, struct section *sec)  in elf_truncate_section()  argument
1254 	u64 size = sec->sh.sh_size;  in elf_truncate_section()
1259 	s = elf_getscn(elf->elf, sec->idx);  in elf_truncate_section()
1299 	struct section *sec;  in elf_write()  local
1306 	list_for_each_entry(sec, &elf->sections, list) {  in elf_write()
1307 		if (sec->truncate)  in elf_write()
1308 			elf_truncate_section(elf, sec);  in elf_write()
1310 		if (sec_changed(sec)) {  in elf_write()
1311 			s = elf_getscn(elf->elf, sec->idx);  in elf_write()
1318 			if (!gelf_update_shdr(s, &sec->sh)) {  in elf_write()
1323 			mark_sec_changed(elf, sec, false);  in elf_write()