tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1#ifndef _ASM_SPARC_JUMP_LABEL_H
2#define _ASM_SPARC_JUMP_LABEL_H
3
4#ifdef __KERNEL__
5
6#include <linux/types.h>
7
8#define JUMP_LABEL_NOP_SIZE 4
9
10static __always_inline bool arch_static_branch(struct jump_label_key *key)
11{
12 asm goto("1:\n\t"
13 "nop\n\t"
14 "nop\n\t"
15 ".pushsection __jump_table, \"aw\"\n\t"
16 ".align 4\n\t"
17 ".word 1b, %l[l_yes], %c0\n\t"
18 ".popsection \n\t"
19 : : "i" (key) : : l_yes);
20 return false;
21l_yes:
22 return true;
23}
24
25#endif /* __KERNEL__ */
26
27typedef u32 jump_label_t;
28
29struct jump_entry {
30 jump_label_t code;
31 jump_label_t target;
32 jump_label_t key;
33};
34
35#endif