1 // SPDX-License-Identifier: GPL-2.0 2 #include <linux/kernel.h> 3 #include <linux/jump_label.h> 4 #include <asm/patch.h> 5 #include <asm/insn.h> 6 7 static void __arch_jump_label_transform(struct jump_entry *entry, 8 enum jump_label_type type, 9 bool is_static) 10 { 11 void *addr = (void *)entry->code; 12 unsigned int insn; 13 14 if (type == JUMP_LABEL_JMP) 15 insn = arm_gen_branch(entry->code, entry->target); 16 else 17 insn = arm_gen_nop(); 18 19 if (is_static) 20 __patch_text_early(addr, insn); 21 else 22 patch_text(addr, insn); 23 } 24 25 void arch_jump_label_transform(struct jump_entry *entry, 26 enum jump_label_type type) 27 { 28 __arch_jump_label_transform(entry, type, false); 29 } 30 31 void arch_jump_label_transform_static(struct jump_entry *entry, 32 enum jump_label_type type) 33 { 34 __arch_jump_label_transform(entry, type, true); 35 } 36