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/* SPDX-License-Identifier: GPL-2.0-only */
#ifndef __ASM_ASM_EXTABLE_H
#define __ASM_ASM_EXTABLE_H
#ifdef __ASSEMBLY__
#define __ASM_EXTABLE_RAW(insn, fixup) \
.pushsection __ex_table, "a"; \
.align 3; \
.long ((insn) - .); \
.long ((fixup) - .); \
.popsection;
/*
* Create an exception table entry for `insn`, which will branch to `fixup`
* when an unhandled fault is taken.
*/
.macro _asm_extable, insn, fixup
__ASM_EXTABLE_RAW(\insn, \fixup)
.endm
/*
* Create an exception table entry for `insn` if `fixup` is provided. Otherwise
* do nothing.
*/
.macro _cond_extable, insn, fixup
.ifnc \fixup,
_asm_extable \insn, \fixup
.endif
.endm
#else /* __ASSEMBLY__ */
#include <linux/stringify.h>
#define __ASM_EXTABLE_RAW(insn, fixup) \
".pushsection __ex_table, \"a\"\n" \
".align 3\n" \
".long ((" insn ") - .)\n" \
".long ((" fixup ") - .)\n" \
".popsection\n"
#define _ASM_EXTABLE(insn, fixup) \
__ASM_EXTABLE_RAW(#insn, #fixup)
#endif /* __ASSEMBLY__ */
#endif /* __ASM_ASM_EXTABLE_H */
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