diff options
author | Grant Likely <grant.likely@secretlab.ca> | 2010-07-25 19:52:21 -0400 |
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committer | Grant Likely <grant.likely@secretlab.ca> | 2010-07-25 19:52:21 -0400 |
commit | 5ffdcd94ea0171cf9a3ca63051c2246426103b5b (patch) | |
tree | dfa1522796d5af649caf64ac6e2f1e69119e85d0 /include/linux/compiler-gcc.h | |
parent | cf40f082f8d3a98e28af02af20d00d2500eb6a65 (diff) | |
parent | b37fa16e78d6f9790462b3181602a26b5af36260 (diff) |
Merge commit 'v2.6.35-rc6' into spi/test
Diffstat (limited to 'include/linux/compiler-gcc.h')
-rw-r--r-- | include/linux/compiler-gcc.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h index 73dcf804bc94..0da5b187f124 100644 --- a/include/linux/compiler-gcc.h +++ b/include/linux/compiler-gcc.h | |||
@@ -58,8 +58,12 @@ | |||
58 | * naked functions because then mcount is called without stack and frame pointer | 58 | * naked functions because then mcount is called without stack and frame pointer |
59 | * being set up and there is no chance to restore the lr register to the value | 59 | * being set up and there is no chance to restore the lr register to the value |
60 | * before mcount was called. | 60 | * before mcount was called. |
61 | * | ||
62 | * The asm() bodies of naked functions often depend on standard calling conventions, | ||
63 | * therefore they must be noinline and noclone. GCC 4.[56] currently fail to enforce | ||
64 | * this, so we must do so ourselves. See GCC PR44290. | ||
61 | */ | 65 | */ |
62 | #define __naked __attribute__((naked)) notrace | 66 | #define __naked __attribute__((naked)) noinline __noclone notrace |
63 | 67 | ||
64 | #define __noreturn __attribute__((noreturn)) | 68 | #define __noreturn __attribute__((noreturn)) |
65 | 69 | ||
@@ -85,3 +89,7 @@ | |||
85 | #define _gcc_header(x) __gcc_header(linux/compiler-gcc##x.h) | 89 | #define _gcc_header(x) __gcc_header(linux/compiler-gcc##x.h) |
86 | #define gcc_header(x) _gcc_header(x) | 90 | #define gcc_header(x) _gcc_header(x) |
87 | #include gcc_header(__GNUC__) | 91 | #include gcc_header(__GNUC__) |
92 | |||
93 | #if !defined(__noclone) | ||
94 | #define __noclone /* not needed */ | ||
95 | #endif | ||