linux/arch/x86/entry/vdso/extable.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __VDSO_EXTABLE_H
#define __VDSO_EXTABLE_H

/*
 * Inject exception fixup for vDSO code.  Unlike normal exception fixup,
 * vDSO uses a dedicated handler the addresses are relative to the overall
 * exception table, not each individual entry.
 */
#ifdef __ASSEMBLY__
#define _ASM_VDSO_EXTABLE_HANDLE(from, to)

.macro ASM_VDSO_EXTABLE_HANDLE from:req to:req
	.pushsection __ex_table, "a"
	.long (\from) - __ex_table
	.long (\to) - __ex_table
	.popsection
.endm
#else
#define _ASM_VDSO_EXTABLE_HANDLE
#endif

#endif /* __VDSO_EXTABLE_H */