101 struct dst_sec {  struct
140 	struct dst_sec *secs;  argument
201 		struct dst_sec *sec = &linker->secs[i];  in bpf_linker__free()
247 static struct dst_sec *add_dst_sec(struct bpf_linker *linker, const char *sec_name)  in add_dst_sec()
249 	struct dst_sec *secs = linker->secs, *sec;  in add_dst_sec()
273 	struct dst_sec *symtab = &linker->secs[linker->symtab_sec_idx];  in add_new_sym()
299 	struct dst_sec *sec;  in init_output_elf()
978 static int init_sec(struct bpf_linker *linker, struct dst_sec *dst_sec, struct src_sec *src_sec)  in init_sec()  argument
985 	dst_sec->sec_sz = 0;  in init_sec()
986 	dst_sec->sec_idx = 0;  in init_sec()
987 	dst_sec->ephemeral = src_sec->ephemeral;  in init_sec()
1003 	dst_sec->scn = scn;  in init_sec()
1004 	dst_sec->shdr = shdr;  in init_sec()
1005 	dst_sec->data = data;  in init_sec()
1006 	dst_sec->sec_idx = elf_ndxscn(scn);  in init_sec()
1034 static struct dst_sec *find_dst_sec_by_name(struct bpf_linker *linker, const char *sec_name)  in find_dst_sec_by_name()
1036 	struct dst_sec *sec;  in find_dst_sec_by_name()
1049 static bool secs_match(struct dst_sec *dst, struct src_sec *src)  in secs_match()
1070 static bool sec_content_is_same(struct dst_sec *dst_sec, struct src_sec *src_sec)  in sec_content_is_same()  argument
1072 	if (dst_sec->sec_sz != src_sec->shdr->sh_size)  in sec_content_is_same()
1074 	if (memcmp(dst_sec->raw_data, src_sec->data->d_buf, dst_sec->sec_sz) != 0)  in sec_content_is_same()
1079 static int extend_sec(struct bpf_linker *linker, struct dst_sec *dst, struct src_sec *src)  in extend_sec()
1175 		struct dst_sec *dst_sec;  in linker_append_sec_data()  local
1181 		dst_sec = find_dst_sec_by_name(linker, src_sec->sec_name);  in linker_append_sec_data()
1182 		if (!dst_sec) {  in linker_append_sec_data()
1183 			dst_sec = add_dst_sec(linker, src_sec->sec_name);  in linker_append_sec_data()
1184 			if (!dst_sec)  in linker_append_sec_data()
1186 			err = init_sec(linker, dst_sec, src_sec);  in linker_append_sec_data()
1192 			if (!secs_match(dst_sec, src_sec)) {  in linker_append_sec_data()
1200 				if (!sec_content_is_same(dst_sec, src_sec)) {  in linker_append_sec_data()
1205 				src_sec->dst_id = dst_sec->id;  in linker_append_sec_data()
1211 		src_sec->dst_id = dst_sec->id;  in linker_append_sec_data()
1213 		err = extend_sec(linker, dst_sec, src_sec);  in linker_append_sec_data()
1256 	struct dst_sec *symtab = &linker->secs[linker->symtab_sec_idx];  in get_sym_by_idx()
1815 	struct dst_sec *dst_sec = NULL;  in linker_append_elf_sym()  local
1837 		dst_sec = &linker->secs[src_sec->dst_id];  in linker_append_elf_sym()
1840 		if (sym_type == STT_SECTION && dst_sec->sec_sym_idx) {  in linker_append_elf_sym()
1841 			obj->sym_map[src_sym_idx] = dst_sec->sec_sym_idx;  in linker_append_elf_sym()
1873 			dst_sec = &linker->secs[src_sec->dst_id];  in linker_append_elf_sym()
1944 		dst_sym->st_shndx = dst_sec->sec_idx;  in linker_append_elf_sym()
1949 		glob_sym->sec_id = dst_sec->id;  in linker_append_elf_sym()
1975 	dst_sym->st_shndx = dst_sec ? dst_sec->sec_idx : sym->st_shndx;  in linker_append_elf_sym()
1982 		dst_sec->sec_sym_idx = dst_sym_idx;  in linker_append_elf_sym()
1998 		glob_sym->sec_id = dst_sec ? dst_sec->id : 0;  in linker_append_elf_sym()
2016 		struct dst_sec *dst_sec, *dst_linked_sec;  in linker_append_elf_relos()  local
2029 		dst_sec = find_dst_sec_by_name(linker, src_sec->sec_name);  in linker_append_elf_relos()
2030 		if (!dst_sec) {  in linker_append_elf_relos()
2031 			dst_sec = add_dst_sec(linker, src_sec->sec_name);  in linker_append_elf_relos()
2032 			if (!dst_sec)  in linker_append_elf_relos()
2034 			err = init_sec(linker, dst_sec, src_sec);  in linker_append_elf_relos()
2039 		} else if (!secs_match(dst_sec, src_sec)) {  in linker_append_elf_relos()
2045 		dst_sec->shdr->sh_link = linker->symtab_sec_idx;  in linker_append_elf_relos()
2049 		dst_sec->shdr->sh_info = dst_linked_sec->sec_idx;  in linker_append_elf_relos()
2051 		src_sec->dst_id = dst_sec->id;  in linker_append_elf_relos()
2052 		err = extend_sec(linker, dst_sec, src_sec);  in linker_append_elf_relos()
2057 		dst_rel = dst_sec->raw_data + src_sec->dst_off;  in linker_append_elf_relos()
2332 		struct dst_sec *dst_sec;  in linker_append_btf()  local
2339 		dst_sec = &linker->secs[src_sec->dst_id];  in linker_append_btf()
2349 		dst_sec->has_btf = true;  in linker_append_btf()
2355 			void *sec_vars = dst_sec->sec_vars;  in linker_append_btf()
2363 				if (glob_sym->sec_id != dst_sec->id) {  in linker_append_btf()
2365 						name, glob_sym->sec_id, dst_sec->id);  in linker_append_btf()
2378 				dst_var = &dst_sec->sec_vars[glob_sym->var_idx];  in linker_append_btf()
2394 						       dst_sec->sec_var_cnt + 1,  in linker_append_btf()
2395 						       sizeof(*dst_sec->sec_vars));  in linker_append_btf()
2399 			dst_sec->sec_vars = sec_vars;  in linker_append_btf()
2400 			dst_sec->sec_var_cnt++;  in linker_append_btf()
2402 			dst_var = &dst_sec->sec_vars[dst_sec->sec_var_cnt - 1];  in linker_append_btf()
2408 				glob_sym->var_idx = dst_sec->sec_var_cnt - 1;  in linker_append_btf()
2437 	struct dst_sec *dst_sec;  in linker_append_btf_ext()  local
2453 		dst_sec = &linker->secs[src_sec->dst_id];  in linker_append_btf_ext()
2455 		if (dst_sec->func_info.rec_sz == 0)  in linker_append_btf_ext()
2456 			dst_sec->func_info.rec_sz = rec_sz;  in linker_append_btf_ext()
2457 		if (dst_sec->func_info.rec_sz != rec_sz) {  in linker_append_btf_ext()
2463 			dst_rec = add_btf_ext_rec(&dst_sec->func_info, src_rec);  in linker_append_btf_ext()
2482 		dst_sec = &linker->secs[src_sec->dst_id];  in linker_append_btf_ext()
2484 		if (dst_sec->line_info.rec_sz == 0)  in linker_append_btf_ext()
2485 			dst_sec->line_info.rec_sz = rec_sz;  in linker_append_btf_ext()
2486 		if (dst_sec->line_info.rec_sz != rec_sz) {  in linker_append_btf_ext()
2492 			dst_rec = add_btf_ext_rec(&dst_sec->line_info, src_rec);  in linker_append_btf_ext()
2524 		dst_sec = &linker->secs[src_sec->dst_id];  in linker_append_btf_ext()
2526 		if (dst_sec->core_relo_info.rec_sz == 0)  in linker_append_btf_ext()
2527 			dst_sec->core_relo_info.rec_sz = rec_sz;  in linker_append_btf_ext()
2528 		if (dst_sec->core_relo_info.rec_sz != rec_sz) {  in linker_append_btf_ext()
2534 			dst_rec = add_btf_ext_rec(&dst_sec->core_relo_info, src_rec);  in linker_append_btf_ext()
2556 	struct dst_sec *sec;  in bpf_linker__finalize()
2670 		struct dst_sec *sec = &linker->secs[i];  in finalize_btf()
2770 		struct dst_sec *sec = &linker->secs[i];  in finalize_btf_ext()
2848 			struct dst_sec *sec = &linker->secs[i];  in finalize_btf_ext()
2865 			struct dst_sec *sec = &linker->secs[i];  in finalize_btf_ext()
2882 			struct dst_sec *sec = &linker->secs[i];  in finalize_btf_ext()