502 static int clone_sym_relocs(struct elfs *e, struct symbol *patched_sym);
504 static struct symbol *__clone_symbol(struct elf *elf, struct symbol *patched_sym,  in __clone_symbol()  argument
511 	if (data_too && !is_undef_sym(patched_sym)) {  in __clone_symbol()
512 		struct section *patched_sec = patched_sym->sec;  in __clone_symbol()
525 		if (is_string_sec(patched_sym->sec)) {  in __clone_symbol()
533 		if (!is_sec_sym(patched_sym))  in __clone_symbol()
536 		if (patched_sym->len || is_sec_sym(patched_sym)) {  in __clone_symbol()
541 			if (patched_sym->sec->data->d_buf)  in __clone_symbol()
542 				data = patched_sym->sec->data->d_buf + patched_sym->offset;  in __clone_symbol()
544 			if (is_sec_sym(patched_sym))  in __clone_symbol()
545 				size = sec_size(patched_sym->sec);  in __clone_symbol()
547 				size = patched_sym->len;  in __clone_symbol()
554 	out_sym = elf_create_symbol(elf, patched_sym->name, out_sec,  in __clone_symbol()
555 				    patched_sym->bind, patched_sym->type,  in __clone_symbol()
556 				    offset, patched_sym->len);  in __clone_symbol()
561 	patched_sym->clone = out_sym;  in __clone_symbol()
562 	out_sym->clone = patched_sym;  in __clone_symbol()
593 static struct symbol *clone_symbol(struct elfs *e, struct symbol *patched_sym,  in clone_symbol()  argument
598 	if (patched_sym->clone)  in clone_symbol()
599 		return patched_sym->clone;  in clone_symbol()
601 	dbg_indent("%s%s", patched_sym->name, data_too ? " [+DATA]" : "");  in clone_symbol()
604 	if (is_func_sym(patched_sym) && data_too) {  in clone_symbol()
605 		pfx = get_func_prefix(patched_sym);  in clone_symbol()
610 	if (!__clone_symbol(e->out, patched_sym, data_too))  in clone_symbol()
613 	if (data_too && clone_sym_relocs(e, patched_sym))  in clone_symbol()
616 	return patched_sym->clone;  in clone_symbol()
643 	struct symbol *sym_orig, *patched_sym;  in mark_changed_functions()  local
651 		patched_sym = sym_orig->twin;  in mark_changed_functions()
652 		if (!patched_sym)  in mark_changed_functions()
655 		if (sym_orig->csum.checksum != patched_sym->csum.checksum) {  in mark_changed_functions()
656 			patched_sym->changed = 1;  in mark_changed_functions()
657 			mark_included_function(patched_sym);  in mark_changed_functions()
663 	for_each_sym(e->patched, patched_sym) {  in mark_changed_functions()
664 		if (!is_func_sym(patched_sym) || is_prefix_func(patched_sym))  in mark_changed_functions()
667 		if (!patched_sym->twin) {  in mark_changed_functions()
668 			printf("%s: new function: %s\n", objname, patched_sym->name);  in mark_changed_functions()
669 			mark_included_function(patched_sym);  in mark_changed_functions()
675 	for_each_sym(e->patched, patched_sym) {  in mark_changed_functions()
676 		if (patched_sym->changed)  in mark_changed_functions()
677 			printf("%s: changed function: %s\n", objname, patched_sym->name);  in mark_changed_functions()
685 	struct symbol *patched_sym;  in clone_included_functions()  local
687 	for_each_sym(e->patched, patched_sym) {  in clone_included_functions()
688 		if (patched_sym->included) {  in clone_included_functions()
689 			if (!clone_symbol(e, patched_sym, true))  in clone_included_functions()
799 	struct symbol *patched_sym = patched_reloc->sym;  in klp_reloc_needed()  local
803 	if (dont_correlate(patched_sym))  in klp_reloc_needed()
807 	if (patched_sym->included)  in klp_reloc_needed()
817 	export = find_export(patched_sym);  in klp_reloc_needed()
821 	if (!patched_sym->twin) {  in klp_reloc_needed()
901 	struct symbol *patched_sym = patched_reloc->sym;  in clone_reloc_klp()  local
911 	if (!patched_sym->twin) {  in clone_reloc_klp()
912 		ERROR("unexpected klp reloc for new symbol %s", patched_sym->name);  in clone_reloc_klp()
924 	sym = patched_sym->clone;  in clone_reloc_klp()
927 		sym = elf_create_symbol(e->out, patched_sym->name, NULL,  in clone_reloc_klp()
928 					STB_WEAK, patched_sym->type, 0, 0);  in clone_reloc_klp()
932 		patched_sym->clone = sym;  in clone_reloc_klp()
933 		sym->clone = patched_sym;  in clone_reloc_klp()
952 		sym_orig_name = patched_sym->twin->name;  in clone_reloc_klp()
953 		sympos = find_sympos(e->orig, patched_sym->twin);  in clone_reloc_klp()
969 					    STB_WEAK, patched_sym->type, 0, 0);  in clone_reloc_klp()
1015 #define dbg_clone_reloc(sec, offset, patched_sym, addend, export, klp)			\  argument
1017 		   sec->name, offset, patched_sym->name,				\
1019 		   sym_type(patched_sym),						\
1020 		   patched_sym->type == STT_SECTION ? "" : " ",				\
1021 		   patched_sym->type == STT_SECTION ? "" : sym_bind(patched_sym),	\
1022 		   is_undef_sym(patched_sym) ? " UNDEF" : "",				\
1030 	struct symbol *patched_sym = patched_reloc->sym;  in clone_reloc()  local
1031 	struct export *export = find_export(patched_sym);  in clone_reloc()
1039 			   patched_sym->name, addend);  in clone_reloc()
1045 	dbg_clone_reloc(sec, offset, patched_sym, addend, export, klp);  in clone_reloc()
1066 	out_sym = clone_symbol(e, patched_sym, patched_sym->included || !export);  in clone_reloc()
1075 	if (is_string_sec(patched_sym->sec)) {  in clone_reloc()
1076 		const char *str = patched_sym->sec->data->d_buf + addend;  in clone_reloc()
1093 static int clone_sym_relocs(struct elfs *e, struct symbol *patched_sym)  in clone_sym_relocs()  argument
1095 	struct section *patched_rsec = patched_sym->sec->rsec;  in clone_sym_relocs()
1100 	out_sym = patched_sym->clone;  in clone_sym_relocs()
1102 		ERROR("no clone for %s", patched_sym->name);  in clone_sym_relocs()
1109 	if (!is_sec_sym(patched_sym) && !patched_sym->len)  in clone_sym_relocs()
1112 	if (is_string_sec(patched_sym->sec))  in clone_sym_relocs()
1115 	if (is_sec_sym(patched_sym)) {  in clone_sym_relocs()
1117 		end = sec_size(patched_sym->sec);  in clone_sym_relocs()
1119 		start = patched_sym->offset;  in clone_sym_relocs()
1120 		end = start + patched_sym->len;  in clone_sym_relocs()
1145 		offset = out_sym->offset + (reloc_offset(patched_reloc) - patched_sym->offset);  in clone_sym_relocs()
1395 	struct symbol *patched_sym;  in clone_special_section()  local
1401 	sec_for_each_sym(patched_sec, patched_sym) {  in clone_special_section()
1404 		if (!is_object_sym(patched_sym))  in clone_special_section()
1407 		if (!should_keep_special_sym(e->patched, patched_sym))  in clone_special_section()
1410 		ret = validate_special_section_klp_reloc(e, patched_sym);  in clone_special_section()
1416 		if (!clone_symbol(e, patched_sym, true))  in clone_special_section()