1 #ifndef __ASM_LINKAGE_H 2 #define __ASM_LINKAGE_H 3 4 #define asmlinkage CPP_ASMLINKAGE __attribute__((regparm(0))) 5 #define FASTCALL(x) x __attribute__((regparm(3))) 6 #define fastcall __attribute__((regparm(3))) 7 8 #define prevent_tail_call(ret) __asm__ ("" : "=r" (ret) : "0" (ret)) 9 10 #ifdef CONFIG_X86_ALIGNMENT_16 11 #define __ALIGN .align 16,0x90 12 #define __ALIGN_STR ".align 16,0x90" 13 #endif 14 15 #endif 16