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/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_LINKAGE_H #define _ASM_X86_LINKAGE_H #include <linux/stringify.h> #undef notrace #define notrace __attribute__((no_instrument_function)) #ifdef CONFIG_X86_32 #define asmlinkage CPP_ASMLINKAGE __attribute__((regparm(0))) #endif /* CONFIG_X86_32 */ #define __ALIGN .balign CONFIG_FUNCTION_ALIGNMENT, 0x90; #define __ALIGN_STR __stringify(__ALIGN) #define ASM_FUNC_ALIGN __ALIGN_STR #define __FUNC_ALIGN __ALIGN #define SYM_F_ALIGN __FUNC_ALIGN #ifdef __ASSEMBLY__ #if defined(CONFIG_RETHUNK) && !defined(__DISABLE_EXPORTS) && !defined(BUILD_VDSO) #define RET jmp __x86_return_thunk #else /* CONFIG_RETPOLINE */ #ifdef CONFIG_SLS #define RET ret; int3 #else #define RET ret #endif #endif /* CONFIG_RETPOLINE */ #else /* __ASSEMBLY__ */ #if defined(CONFIG_RETHUNK) && !defined(__DISABLE_EXPORTS) && !defined(BUILD_VDSO) #define ASM_RET "jmp __x86_return_thunk\n\t" #else /* CONFIG_RETPOLINE */ #ifdef CONFIG_SLS #define ASM_RET "ret; int3\n\t" #else #define ASM_RET "ret\n\t" #endif #endif /* CONFIG_RETPOLINE */ #endif /* __ASSEMBLY__ */ #endif /* _ASM_X86_LINKAGE_H */