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| author |   Nicholas Piggin <npiggin@gmail.com> | 2016-10-13 16:42:53 +1100 |
|---|---|---|
| committer |   Michael Ellerman <mpe@ellerman.id.au> | 2016-11-14 11:11:51 +1100 |
| commit | 24bfa6a9e0d4fe414dfc4ad06c93e10c4c37194e (patch) | |
| tree | 13368fce0b6bc8558aad558dc275368f2dc44afc /arch/powerpc/include/asm/ppc_asm.h | |
| parent | selftests/powerpc: Fail load_unaligned_zeropad on miscompare (diff) | |
| download | linux-dev-24bfa6a9e0d4fe414dfc4ad06c93e10c4c37194e.tar.xz linux-dev-24bfa6a9e0d4fe414dfc4ad06c93e10c4c37194e.zip | |
powerpc: EX_TABLE macro for exception tables
This macro is taken from s390, and allows more flexibility in
changing exception table format.
mpe: Put it in ppc_asm.h and only define one version using
stringinfy_in_c(). Add some empty definitions and headers to keep the
selftests happy.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/include/asm/ppc_asm.h')
| -rw-r--r-- | arch/powerpc/include/asm/ppc_asm.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/ppc_asm.h b/arch/powerpc/include/asm/ppc_asm.h index 28ab87e5b739..6af8852d1f7f 100644 --- a/arch/powerpc/include/asm/ppc_asm.h +++ b/arch/powerpc/include/asm/ppc_asm.h @@ -780,4 +780,14 @@ END_FTR_SECTION_IFCLR(CPU_FTR_601) #endif /* __ASSEMBLY__ */ +/* + * Helper macro for exception table entries + */ +#define EX_TABLE(_fault, _target) \ + stringify_in_c(.section __ex_table,"a";)\ + PPC_LONG_ALIGN stringify_in_c(;) \ + PPC_LONG stringify_in_c(_fault;) \ + PPC_LONG stringify_in_c(_target;) \ + stringify_in_c(.previous) + #endif /* _ASM_POWERPC_PPC_ASM_H */ |