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Direktori : /usr/src/linux-headers-5.15.0-43/arch/m68k/include/asm/ |
Current File : //usr/src/linux-headers-5.15.0-43/arch/m68k/include/asm/linkage.h |
/* SPDX-License-Identifier: GPL-2.0 */ #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