File: jump_label.c

package info (click to toggle)
linux 6.16.9-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 1,724,628 kB
  • sloc: ansic: 26,562,645; asm: 271,329; sh: 144,039; python: 72,469; makefile: 57,135; perl: 36,821; xml: 19,553; cpp: 5,820; yacc: 4,915; lex: 2,955; awk: 1,667; sed: 28; ruby: 25
file content (29 lines) | stat: -rw-r--r-- 669 bytes parent folder | download | duplicates (11)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
// SPDX-License-Identifier: GPL-2.0
#include <linux/kernel.h>
#include <linux/jump_label.h>
#include <asm/text-patching.h>
#include <asm/insn.h>

static void __arch_jump_label_transform(struct jump_entry *entry,
					enum jump_label_type type,
					bool is_static)
{
	void *addr = (void *)entry->code;
	unsigned int insn;

	if (type == JUMP_LABEL_JMP)
		insn = arm_gen_branch(entry->code, entry->target);
	else
		insn = arm_gen_nop();

	if (is_static)
		__patch_text_early(addr, insn);
	else
		patch_text(addr, insn);
}

void arch_jump_label_transform(struct jump_entry *entry,
			       enum jump_label_type type)
{
	__arch_jump_label_transform(entry, type, false);
}