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Last change
on this file since 777 was 441, checked in by Paul Smedley, 16 years ago |
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Move functions out of config.h into appropriate linux header
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File size:
579 bytes
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| 1 | /* Never include this file directly. Include <linux/compiler.h> instead. */
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| 2 |
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| 3 | /*
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| 4 | * Common definitions for all gcc versions go here.
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| 5 | */
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| 6 |
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| 7 |
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| 8 | /* Optimization barrier */
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| 9 | /* The "volatile" is due to gcc bugs */
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| 10 | //#define barrier() __asm__ __volatile__("": : :"memory")
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| 11 | #define barrier()
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| 12 |
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| 13 | /* This macro obfuscates arithmetic on a variable address so that gcc
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| 14 | shouldn't recognize the original var, and make assumptions about it */
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| 15 | #define RELOC_HIDE(ptr, off) \
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| 16 | ({ unsigned long __ptr; \
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| 17 | __asm__ ("" : "=g"(__ptr) : "0"(ptr)); \
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| 18 | (typeof(ptr)) (__ptr + (off)); })
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