106 struct dst_sec {  struct
146 	struct dst_sec *secs;  argument
211 		struct dst_sec *sec = &linker->secs[i];  in bpf_linker__free()
311 static struct dst_sec *add_dst_sec(struct bpf_linker *linker, const char *sec_name)  in add_dst_sec()
313 	struct dst_sec *secs = linker->secs, *sec;  in add_dst_sec()
337 	struct dst_sec *symtab = &linker->secs[linker->symtab_sec_idx];  in add_new_sym()
363 	struct dst_sec *sec;  in init_output_elf()
1140 static int init_sec(struct bpf_linker *linker, struct dst_sec *dst_sec, struct src_sec *src_sec)  in init_sec()  argument
1147 	dst_sec->sec_sz = 0;  in init_sec()
1148 	dst_sec->sec_idx = 0;  in init_sec()
1149 	dst_sec->ephemeral = src_sec->ephemeral;  in init_sec()
1165 	dst_sec->scn = scn;  in init_sec()
1166 	dst_sec->shdr = shdr;  in init_sec()
1167 	dst_sec->data = data;  in init_sec()
1168 	dst_sec->sec_idx = elf_ndxscn(scn);  in init_sec()
1196 static struct dst_sec *find_dst_sec_by_name(struct bpf_linker *linker, const char *sec_name)  in find_dst_sec_by_name()
1198 	struct dst_sec *sec;  in find_dst_sec_by_name()
1211 static bool secs_match(struct dst_sec *dst, struct src_sec *src)  in secs_match()
1232 static bool sec_content_is_same(struct dst_sec *dst_sec, struct src_sec *src_sec)  in sec_content_is_same()  argument
1234 	if (dst_sec->sec_sz != src_sec->shdr->sh_size)  in sec_content_is_same()
1236 	if (memcmp(dst_sec->raw_data, src_sec->data->d_buf, dst_sec->sec_sz) != 0)  in sec_content_is_same()
1241 static bool is_exec_sec(struct dst_sec *sec)  in is_exec_sec()
1259 static int extend_sec(struct bpf_linker *linker, struct dst_sec *dst, struct src_sec *src)  in extend_sec()
1359 		struct dst_sec *dst_sec;  in linker_append_sec_data()  local
1365 		dst_sec = find_dst_sec_by_name(linker, src_sec->sec_name);  in linker_append_sec_data()
1366 		if (!dst_sec) {  in linker_append_sec_data()
1367 			dst_sec = add_dst_sec(linker, src_sec->sec_name);  in linker_append_sec_data()
1368 			if (!dst_sec)  in linker_append_sec_data()
1370 			err = init_sec(linker, dst_sec, src_sec);  in linker_append_sec_data()
1376 			if (!secs_match(dst_sec, src_sec)) {  in linker_append_sec_data()
1384 				if (!sec_content_is_same(dst_sec, src_sec)) {  in linker_append_sec_data()
1389 				src_sec->dst_id = dst_sec->id;  in linker_append_sec_data()
1395 		src_sec->dst_id = dst_sec->id;  in linker_append_sec_data()
1397 		err = extend_sec(linker, dst_sec, src_sec);  in linker_append_sec_data()
1440 	struct dst_sec *symtab = &linker->secs[linker->symtab_sec_idx];  in get_sym_by_idx()
1999 	struct dst_sec *dst_sec = NULL;  in linker_append_elf_sym()  local
2021 		dst_sec = &linker->secs[src_sec->dst_id];  in linker_append_elf_sym()
2024 		if (sym_type == STT_SECTION && dst_sec->sec_sym_idx) {  in linker_append_elf_sym()
2025 			obj->sym_map[src_sym_idx] = dst_sec->sec_sym_idx;  in linker_append_elf_sym()
2060 			dst_sec = &linker->secs[src_sec->dst_id];  in linker_append_elf_sym()
2131 		dst_sym->st_shndx = dst_sec->sec_idx;  in linker_append_elf_sym()
2136 		glob_sym->sec_id = dst_sec->id;  in linker_append_elf_sym()
2162 	dst_sym->st_shndx = dst_sec ? dst_sec->sec_idx : sym->st_shndx;  in linker_append_elf_sym()
2168 	if (sym_type == STT_SECTION && dst_sec) {  in linker_append_elf_sym()
2169 		dst_sec->sec_sym_idx = dst_sym_idx;  in linker_append_elf_sym()
2185 		glob_sym->sec_id = dst_sec ? dst_sec->id : 0;  in linker_append_elf_sym()
2203 		struct dst_sec *dst_sec, *dst_linked_sec;  in linker_append_elf_relos()  local
2216 		dst_sec = find_dst_sec_by_name(linker, src_sec->sec_name);  in linker_append_elf_relos()
2217 		if (!dst_sec) {  in linker_append_elf_relos()
2218 			dst_sec = add_dst_sec(linker, src_sec->sec_name);  in linker_append_elf_relos()
2219 			if (!dst_sec)  in linker_append_elf_relos()
2221 			err = init_sec(linker, dst_sec, src_sec);  in linker_append_elf_relos()
2226 		} else if (!secs_match(dst_sec, src_sec)) {  in linker_append_elf_relos()
2232 		dst_sec->shdr->sh_link = linker->symtab_sec_idx;  in linker_append_elf_relos()
2236 		dst_sec->shdr->sh_info = dst_linked_sec->sec_idx;  in linker_append_elf_relos()
2238 		src_sec->dst_id = dst_sec->id;  in linker_append_elf_relos()
2239 		err = extend_sec(linker, dst_sec, src_sec);  in linker_append_elf_relos()
2244 		dst_rel = dst_sec->raw_data + src_sec->dst_off;  in linker_append_elf_relos()
2526 		struct dst_sec *dst_sec;  in linker_append_btf()  local
2533 		dst_sec = &linker->secs[src_sec->dst_id];  in linker_append_btf()
2543 		dst_sec->has_btf = true;  in linker_append_btf()
2549 			void *sec_vars = dst_sec->sec_vars;  in linker_append_btf()
2557 				if (glob_sym->sec_id != dst_sec->id) {  in linker_append_btf()
2559 						name, glob_sym->sec_id, dst_sec->id);  in linker_append_btf()
2576 				dst_var = &dst_sec->sec_vars[glob_sym->var_idx];  in linker_append_btf()
2592 						       dst_sec->sec_var_cnt + 1,  in linker_append_btf()
2593 						       sizeof(*dst_sec->sec_vars));  in linker_append_btf()
2597 			dst_sec->sec_vars = sec_vars;  in linker_append_btf()
2598 			dst_sec->sec_var_cnt++;  in linker_append_btf()
2600 			dst_var = &dst_sec->sec_vars[dst_sec->sec_var_cnt - 1];  in linker_append_btf()
2606 				glob_sym->var_idx = dst_sec->sec_var_cnt - 1;  in linker_append_btf()
2635 	struct dst_sec *dst_sec;  in linker_append_btf_ext()  local
2651 		dst_sec = &linker->secs[src_sec->dst_id];  in linker_append_btf_ext()
2653 		if (dst_sec->func_info.rec_sz == 0)  in linker_append_btf_ext()
2654 			dst_sec->func_info.rec_sz = rec_sz;  in linker_append_btf_ext()
2655 		if (dst_sec->func_info.rec_sz != rec_sz) {  in linker_append_btf_ext()
2661 			dst_rec = add_btf_ext_rec(&dst_sec->func_info, src_rec);  in linker_append_btf_ext()
2680 		dst_sec = &linker->secs[src_sec->dst_id];  in linker_append_btf_ext()
2682 		if (dst_sec->line_info.rec_sz == 0)  in linker_append_btf_ext()
2683 			dst_sec->line_info.rec_sz = rec_sz;  in linker_append_btf_ext()
2684 		if (dst_sec->line_info.rec_sz != rec_sz) {  in linker_append_btf_ext()
2690 			dst_rec = add_btf_ext_rec(&dst_sec->line_info, src_rec);  in linker_append_btf_ext()
2722 		dst_sec = &linker->secs[src_sec->dst_id];  in linker_append_btf_ext()
2724 		if (dst_sec->core_relo_info.rec_sz == 0)  in linker_append_btf_ext()
2725 			dst_sec->core_relo_info.rec_sz = rec_sz;  in linker_append_btf_ext()
2726 		if (dst_sec->core_relo_info.rec_sz != rec_sz) {  in linker_append_btf_ext()
2732 			dst_rec = add_btf_ext_rec(&dst_sec->core_relo_info, src_rec);  in linker_append_btf_ext()
2754 	struct dst_sec *sec;  in bpf_linker__finalize()
2874 		struct dst_sec *sec = &linker->secs[i];  in finalize_btf()
2981 		struct dst_sec *sec = &linker->secs[i];  in finalize_btf_ext()
3059 			struct dst_sec *sec = &linker->secs[i];  in finalize_btf_ext()
3076 			struct dst_sec *sec = &linker->secs[i];  in finalize_btf_ext()
3093 			struct dst_sec *sec = &linker->secs[i];  in finalize_btf_ext()