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| author | Ingo Molnar <mingo@elte.hu> | 2010-09-24 09:12:05 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2010-09-24 09:12:05 +0200 |
| commit | a5a2bad55de89a0adf7d6f783cb87ab7eb1a894f (patch) | |
| tree | 452cb8addc26f5c79fdd4e2fea92c78dc17fc8e8 /arch/sparc/include/asm | |
| parent | d0303d71c2fb9bcb90a8d48e6462c78c86f70ce6 (diff) | |
| parent | 46eb3b64dddd20f44e76b08676fa642dd374bf1d (diff) | |
Merge branch 'tip/perf/core' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-2.6-trace into perf/core
Diffstat (limited to 'arch/sparc/include/asm')
| -rw-r--r-- | arch/sparc/include/asm/jump_label.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/arch/sparc/include/asm/jump_label.h b/arch/sparc/include/asm/jump_label.h new file mode 100644 index 00000000000..62e66d7b2fb --- /dev/null +++ b/arch/sparc/include/asm/jump_label.h @@ -0,0 +1,32 @@ +#ifndef _ASM_SPARC_JUMP_LABEL_H +#define _ASM_SPARC_JUMP_LABEL_H + +#ifdef __KERNEL__ + +#include <linux/types.h> +#include <asm/system.h> + +#define JUMP_LABEL_NOP_SIZE 4 + +#define JUMP_LABEL(key, label) \ + do { \ + asm goto("1:\n\t" \ + "nop\n\t" \ + "nop\n\t" \ + ".pushsection __jump_table, \"a\"\n\t"\ + ".word 1b, %l[" #label "], %c0\n\t" \ + ".popsection \n\t" \ + : : "i" (key) : : label);\ + } while (0) + +#endif /* __KERNEL__ */ + +typedef u32 jump_label_t; + +struct jump_entry { + jump_label_t code; + jump_label_t target; + jump_label_t key; +}; + +#endif |