1 // SPDX-License-Identifier: GPL-2.0-or-later
10 void arch_handle_alternative(unsigned short feature, struct special_alt *alt)  in arch_handle_alternative()  argument
17 	if (group && group->orig_sec == alt->orig_sec &&  in arch_handle_alternative()
18 	             group->orig_off == alt->orig_off) {  in arch_handle_alternative()
22 			unsigned int len = max(iter->orig_len, alt->orig_len);  in arch_handle_alternative()
23 			iter->orig_len = alt->orig_len = len;  in arch_handle_alternative()
31 	} else group = alt;  in arch_handle_alternative()
33 	prev = alt;  in arch_handle_alternative()
47 			alt->skip_orig = true;  in arch_handle_alternative()
49 			alt->skip_alt = true;  in arch_handle_alternative()
57 		alt->skip_orig = true;  in arch_handle_alternative()
82  *    functions in the kernel, only with certain obscure non-distro configs.
85  *    table, modifies it, and then hard-codes the jump (albeit with an indirect
119 	text_reloc = find_reloc_by_dest_range(file->elf, insn->sec,  in arch_find_switch_table()
120 					      insn->offset, insn->len);  in arch_find_switch_table()
121 	if (!text_reloc || text_reloc->sym->type != STT_SECTION ||  in arch_find_switch_table()
122 	    !text_reloc->sym->sec->rodata)  in arch_find_switch_table()
126 	table_sec = text_reloc->sym->sec;  in arch_find_switch_table()
141 	    strcmp(table_sec->name, C_JUMP_TABLE_SECTION))  in arch_find_switch_table()
149 	rodata_reloc = find_reloc_by_dest(file->elf, table_sec, table_offset);  in arch_find_switch_table()
154 	 * Use of RIP-relative switch jumps is quite rare, and  in arch_find_switch_table()
159 		file->ignore_unreachables = true;  in arch_find_switch_table()