[linux-2.6-block.git] / samples / bpf / asm_goto_workaround.h

/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (c) 2019 Facebook */
#ifndef __ASM_GOTO_WORKAROUND_H
#define __ASM_GOTO_WORKAROUND_H

/*
 * This will bring in asm_volatile_goto and asm_inline macro definitions
 * if enabled by compiler and config options.
 */
#include <linux/types.h>

#ifdef asm_volatile_goto
#undef asm_volatile_goto
#define asm_volatile_goto(x...) asm volatile("invalid use of asm_volatile_goto")
#endif

/*
 * asm_inline is defined as asm __inline in "include/linux/compiler_types.h"
 * if supported by the kernel's CC (i.e CONFIG_CC_HAS_ASM_INLINE) which is not
 * supported by CLANG.
 */
#ifdef asm_inline
#undef asm_inline
#define asm_inline asm
#endif

#define volatile(x...) volatile("")
#endif
Commit	Line	Data
6bf3bbe1 YS	1	/* SPDX-License-Identifier: GPL-2.0 */
	2	/* Copyright (c) 2019 Facebook */
	3	#ifndef __ASM_GOTO_WORKAROUND_H
	4	#define __ASM_GOTO_WORKAROUND_H
	5
98beb3ed KS	6	/*
98beb3ed KS	7	* This will bring in asm_volatile_goto and asm_inline macro definitions
6bf3bbe1 YS	8	* if enabled by compiler and config options.
	9	*/
	10	#include <linux/types.h>
	11
	12	#ifdef asm_volatile_goto
	13	#undef asm_volatile_goto
	14	#define asm_volatile_goto(x...) asm volatile("invalid use of asm_volatile_goto")
	15	#endif
	16
98beb3ed KS	17	/*
	18	* asm_inline is defined as asm __inline in "include/linux/compiler_types.h"
	19	* if supported by the kernel's CC (i.e CONFIG_CC_HAS_ASM_INLINE) which is not
	20	* supported by CLANG.
	21	*/
	22	#ifdef asm_inline
	23	#undef asm_inline
	24	#define asm_inline asm
	25	#endif
	26
636e78b1	27	#define volatile(x...) volatile("")
6bf3bbe1	28	#endif