| Michael Ellerman | 06d0bbc | 2018-07-24 01:07:52 +1000 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0+ */ |
| 2 | /* | ||||
| 3 | * Copyright 2018, Michael Ellerman, IBM Corporation. | ||||
| 4 | */ | ||||
| 5 | #ifndef _ASM_POWERPC_CODE_PATCHING_ASM_H | ||||
| 6 | #define _ASM_POWERPC_CODE_PATCHING_ASM_H | ||||
| 7 | |||||
| 8 | /* Define a "site" that can be patched */ | ||||
| 9 | .macro patch_site label name | ||||
| 10 | .pushsection ".rodata" | ||||
| 11 | .balign 4 | ||||
| 12 | .global \name | ||||
| 13 | \name: | ||||
| 14 | .4byte \label - . | ||||
| 15 | .popsection | ||||
| 16 | .endm | ||||
| 17 | |||||
| 18 | #endif /* _ASM_POWERPC_CODE_PATCHING_ASM_H */ | ||||