| 12345678910111213141516171819202122232425262728293031323334353637 |
- #ifndef __ASM_LINKAGE_H
- #define __ASM_LINKAGE_H
- #define __ALIGN .align 4
- #define __ALIGN_STR ".align 4"
- /*
- * Make sure the compiler doesn't do anything stupid with the
- * arguments on the stack - they are owned by the *caller*, not
- * the callee. This just fools gcc into not spilling into them,
- * and keeps it from doing tailcall recursion and/or using the
- * stack slots for temporaries, since they are live and "used"
- * all the way to the end of the function.
- */
- #define asmlinkage_protect(n, ret, args...) \
- __asmlinkage_protect##n(ret, ##args)
- #define __asmlinkage_protect_n(ret, args...) \
- __asm__ __volatile__ ("" : "=r" (ret) : "0" (ret), ##args)
- #define __asmlinkage_protect0(ret) \
- __asmlinkage_protect_n(ret)
- #define __asmlinkage_protect1(ret, arg1) \
- __asmlinkage_protect_n(ret, "m" (arg1))
- #define __asmlinkage_protect2(ret, arg1, arg2) \
- __asmlinkage_protect_n(ret, "m" (arg1), "m" (arg2))
- #define __asmlinkage_protect3(ret, arg1, arg2, arg3) \
- __asmlinkage_protect_n(ret, "m" (arg1), "m" (arg2), "m" (arg3))
- #define __asmlinkage_protect4(ret, arg1, arg2, arg3, arg4) \
- __asmlinkage_protect_n(ret, "m" (arg1), "m" (arg2), "m" (arg3), \
- "m" (arg4))
- #define __asmlinkage_protect5(ret, arg1, arg2, arg3, arg4, arg5) \
- __asmlinkage_protect_n(ret, "m" (arg1), "m" (arg2), "m" (arg3), \
- "m" (arg4), "m" (arg5))
- #define __asmlinkage_protect6(ret, arg1, arg2, arg3, arg4, arg5, arg6) \
- __asmlinkage_protect_n(ret, "m" (arg1), "m" (arg2), "m" (arg3), \
- "m" (arg4), "m" (arg5), "m" (arg6))
- #endif
|
