diff options
| author | Michael Ellerman <michael@ellerman.id.au> | 2008-06-24 11:32:29 +1000 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2008-07-01 11:28:21 +1000 |
| commit | 411781a290b0d0a31fd73826b3ee110f1e3cc3b6 (patch) | |
| tree | 4a5eb482d99916c17f19a013b52cf808161f32ea /include/asm-powerpc/code-patching.h | |
| parent | 07630a37beefe8e4401c602f04e3e5bcbba50b31 (diff) | |
| download | lwn-411781a290b0d0a31fd73826b3ee110f1e3cc3b6.tar.gz lwn-411781a290b0d0a31fd73826b3ee110f1e3cc3b6.zip | |
powerpc: Add new code patching routines
This commit adds some new routines for patching code, which will be used
in a following commit.
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'include/asm-powerpc/code-patching.h')
| -rw-r--r-- | include/asm-powerpc/code-patching.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/asm-powerpc/code-patching.h b/include/asm-powerpc/code-patching.h index a45a7ff78725..40ad46b1dd9d 100644 --- a/include/asm-powerpc/code-patching.h +++ b/include/asm-powerpc/code-patching.h @@ -23,9 +23,17 @@ unsigned int create_branch(const unsigned int *addr, unsigned long target, int flags); +unsigned int create_cond_branch(const unsigned int *addr, + unsigned long target, int flags); void patch_branch(unsigned int *addr, unsigned long target, int flags); void patch_instruction(unsigned int *addr, unsigned int instr); +int instr_is_relative_branch(unsigned int instr); +int instr_is_branch_to_addr(const unsigned int *instr, unsigned long addr); +unsigned long branch_target(const unsigned int *instr); +unsigned int translate_branch(const unsigned int *dest, + const unsigned int *src); + static inline unsigned long ppc_function_entry(void *func) { #ifdef CONFIG_PPC64 |