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| author | Hendrik Brueckner <brueckner@linux.vnet.ibm.com> | 2015-06-12 11:57:40 +0300 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2015-07-22 10:57:59 +0300 |
| commit | 2e54dc3c7dadd4d012f132b1a2b3ab89d9a48cc2 (patch) | |
| tree | e7984dbe43e250f95c0a1fbea581fa65b0a4c6b4 /arch/s390/include/asm/linkage.h | |
| parent | 3827ec3d8fd51aef8352b0282b14f0f3ab615930 (diff) | |
| download | linux-2e54dc3c7dadd4d012f132b1a2b3ab89d9a48cc2.tar.xz | |
s390/kernel: move EX_TABLE macros to linkage.h header file
Move the EX_TABLE macro definitions from the processor.h to the linkage.h
header file. It helps to reduce circular header file dependencies.
Signed-off-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/include/asm/linkage.h')
| -rw-r--r-- | arch/s390/include/asm/linkage.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/s390/include/asm/linkage.h b/arch/s390/include/asm/linkage.h index fc8a8284778e..27da78cf416d 100644 --- a/arch/s390/include/asm/linkage.h +++ b/arch/s390/include/asm/linkage.h @@ -6,4 +6,26 @@ #define __ALIGN .align 4, 0x07 #define __ALIGN_STR __stringify(__ALIGN) +#ifndef __ASSEMBLY__ + +/* + * Helper macro for exception table entries + */ +#define EX_TABLE(_fault, _target) \ + ".section __ex_table,\"a\"\n" \ + ".align 4\n" \ + ".long (" #_fault ") - .\n" \ + ".long (" #_target ") - .\n" \ + ".previous\n" + +#else /* __ASSEMBLY__ */ + +#define EX_TABLE(_fault, _target) \ + .section __ex_table,"a" ; \ + .align 4 ; \ + .long (_fault) - . ; \ + .long (_target) - . ; \ + .previous + +#endif /* __ASSEMBLY__ */ #endif |