70 lines
1.6 KiB
C
70 lines
1.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#ifndef _ASM_X86_LINKAGE_H
|
|
#define _ASM_X86_LINKAGE_H
|
|
|
|
#include <linux/stringify.h>
|
|
#include <asm/ibt.h>
|
|
|
|
#undef notrace
|
|
#define notrace __attribute__((no_instrument_function))
|
|
|
|
#ifdef CONFIG_X86_32
|
|
#define asmlinkage CPP_ASMLINKAGE __attribute__((regparm(0)))
|
|
#endif /* CONFIG_X86_32 */
|
|
|
|
#ifdef __ASSEMBLY__
|
|
|
|
#if defined(CONFIG_X86_64) || defined(CONFIG_X86_ALIGNMENT_16)
|
|
#define __ALIGN .p2align 4, 0x90
|
|
#define __ALIGN_STR __stringify(__ALIGN)
|
|
#endif
|
|
|
|
#ifdef CONFIG_SLS
|
|
#define RET ret; int3
|
|
#else
|
|
#define RET ret
|
|
#endif
|
|
|
|
#else /* __ASSEMBLY__ */
|
|
|
|
#ifdef CONFIG_SLS
|
|
#define ASM_RET "ret; int3\n\t"
|
|
#else
|
|
#define ASM_RET "ret\n\t"
|
|
#endif
|
|
|
|
#endif /* __ASSEMBLY__ */
|
|
|
|
/* SYM_FUNC_START -- use for global functions */
|
|
#define SYM_FUNC_START(name) \
|
|
SYM_START(name, SYM_L_GLOBAL, SYM_A_ALIGN) \
|
|
ENDBR
|
|
|
|
/* SYM_FUNC_START_NOALIGN -- use for global functions, w/o alignment */
|
|
#define SYM_FUNC_START_NOALIGN(name) \
|
|
SYM_START(name, SYM_L_GLOBAL, SYM_A_NONE) \
|
|
ENDBR
|
|
|
|
/* SYM_FUNC_START_LOCAL -- use for local functions */
|
|
#define SYM_FUNC_START_LOCAL(name) \
|
|
SYM_START(name, SYM_L_LOCAL, SYM_A_ALIGN) \
|
|
ENDBR
|
|
|
|
/* SYM_FUNC_START_LOCAL_NOALIGN -- use for local functions, w/o alignment */
|
|
#define SYM_FUNC_START_LOCAL_NOALIGN(name) \
|
|
SYM_START(name, SYM_L_LOCAL, SYM_A_NONE) \
|
|
ENDBR
|
|
|
|
/* SYM_FUNC_START_WEAK -- use for weak functions */
|
|
#define SYM_FUNC_START_WEAK(name) \
|
|
SYM_START(name, SYM_L_WEAK, SYM_A_ALIGN) \
|
|
ENDBR
|
|
|
|
/* SYM_FUNC_START_WEAK_NOALIGN -- use for weak functions, w/o alignment */
|
|
#define SYM_FUNC_START_WEAK_NOALIGN(name) \
|
|
SYM_START(name, SYM_L_WEAK, SYM_A_NONE) \
|
|
ENDBR
|
|
|
|
#endif /* _ASM_X86_LINKAGE_H */
|
|
|