| Harvey Harrison | 82f74e7 | 2008-01-30 13:31:07 +0100 | [diff] [blame] | 1 | #ifndef __ASM_LINKAGE_H |
| 2 | #define __ASM_LINKAGE_H |
| 3 | |
| 4 | #ifdef CONFIG_X86_64 |
| 5 | #define __ALIGN .p2align 4,,15 |
| 6 | #define __ALIGN_STR ".p2align 4,,15" |
| Thomas Gleixner | 96a388d | 2007-10-11 11:20:03 +0200 | [diff] [blame] | 7 | #endif |
| Harvey Harrison | 82f74e7 | 2008-01-30 13:31:07 +0100 | [diff] [blame] | 8 | |
| 9 | #ifdef CONFIG_X86_32 |
| 10 | #define asmlinkage CPP_ASMLINKAGE __attribute__((regparm(0))) |
| Ingo Molnar | d50efc6 | 2008-01-30 13:33:00 +0100 | [diff] [blame] | 11 | /* |
| 12 | * For 32-bit UML - mark functions implemented in assembly that use |
| 13 | * regparm input parameters: |
| 14 | */ |
| 15 | #define asmregparm __attribute__((regparm(3))) |
| Roland McGrath | 54a0151 | 2008-04-10 15:37:38 -0700 | [diff] [blame^] | 16 | |
| 17 | #define asmlinkage_protect(n, ret, args...) \ |
| 18 | __asmlinkage_protect##n(ret, ##args) |
| 19 | #define __asmlinkage_protect_n(ret, args...) \ |
| 20 | __asm__ __volatile__ ("" : "=r" (ret) : "0" (ret), ##args) |
| 21 | #define __asmlinkage_protect0(ret) \ |
| 22 | __asmlinkage_protect_n(ret) |
| 23 | #define __asmlinkage_protect1(ret, arg1) \ |
| 24 | __asmlinkage_protect_n(ret, "g" (arg1)) |
| 25 | #define __asmlinkage_protect2(ret, arg1, arg2) \ |
| 26 | __asmlinkage_protect_n(ret, "g" (arg1), "g" (arg2)) |
| 27 | #define __asmlinkage_protect3(ret, arg1, arg2, arg3) \ |
| 28 | __asmlinkage_protect_n(ret, "g" (arg1), "g" (arg2), "g" (arg3)) |
| 29 | #define __asmlinkage_protect4(ret, arg1, arg2, arg3, arg4) \ |
| 30 | __asmlinkage_protect_n(ret, "g" (arg1), "g" (arg2), "g" (arg3), \ |
| 31 | "g" (arg4)) |
| 32 | #define __asmlinkage_protect5(ret, arg1, arg2, arg3, arg4, arg5) \ |
| 33 | __asmlinkage_protect_n(ret, "g" (arg1), "g" (arg2), "g" (arg3), \ |
| 34 | "g" (arg4), "g" (arg5)) |
| 35 | #define __asmlinkage_protect6(ret, arg1, arg2, arg3, arg4, arg5, arg6) \ |
| 36 | __asmlinkage_protect_n(ret, "g" (arg1), "g" (arg2), "g" (arg3), \ |
| 37 | "g" (arg4), "g" (arg5), "g" (arg6)) |
| 38 | |
| Harvey Harrison | 82f74e7 | 2008-01-30 13:31:07 +0100 | [diff] [blame] | 39 | #endif |
| 40 | |
| 41 | #ifdef CONFIG_X86_ALIGNMENT_16 |
| 42 | #define __ALIGN .align 16,0x90 |
| 43 | #define __ALIGN_STR ".align 16,0x90" |
| 44 | #endif |
| 45 | |
| 46 | #endif |
| 47 | |