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powerpc: define FUNC_START/FUNC_END

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gcc provides FUNC_START/FUNC_END macros to help with creating
assembly functions. Mirror these in the kernel so we can more easily
share code between userspace and the kernel. FUNC_END is just a
stub since we don't currently annotate the end of kernel functions.

It might make sense to do a wholesale search and replace, but for
now just create a couple of defines.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Anton Blanchard 2016-07-01 08:19:44 +10:00 committed by Herbert Xu
parent 27710b8ea3
commit 151f25112f
1 changed files with 3 additions and 0 deletions
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3
arch/powerpc/include/asm/ppc_asm.h
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@ -286,6 +286,9 @@ GLUE(.,name):
#endif
#define FUNC_START(name) _GLOBAL(name)
#define FUNC_END(name)
/*
* LOAD_REG_IMMEDIATE(rn, expr)
* Loads the value of the constant expression 'expr' into register 'rn'