diff options
Diffstat (limited to 'include/asm-x86/linkage.h')
| -rw-r--r-- | include/asm-x86/linkage.h | 26 |
1 files changed, 23 insertions, 3 deletions
diff --git a/include/asm-x86/linkage.h b/include/asm-x86/linkage.h index 94b257fa870..31739c7d66a 100644 --- a/include/asm-x86/linkage.h +++ b/include/asm-x86/linkage.h @@ -1,5 +1,25 @@ +#ifndef __ASM_LINKAGE_H +#define __ASM_LINKAGE_H + +#ifdef CONFIG_X86_64 +#define __ALIGN .p2align 4,,15 +#define __ALIGN_STR ".p2align 4,,15" +#endif + #ifdef CONFIG_X86_32 -# include "linkage_32.h" -#else -# include "linkage_64.h" +#define asmlinkage CPP_ASMLINKAGE __attribute__((regparm(0))) +#define prevent_tail_call(ret) __asm__ ("" : "=r" (ret) : "0" (ret)) +/* + * For 32-bit UML - mark functions implemented in assembly that use + * regparm input parameters: + */ +#define asmregparm __attribute__((regparm(3))) +#endif + +#ifdef CONFIG_X86_ALIGNMENT_16 +#define __ALIGN .align 16,0x90 +#define __ALIGN_STR ".align 16,0x90" +#endif + #endif + |