/* 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 __ASSEMBLER__
#define _ASM_VDSO_EXTABLE_HANDLE(from, to)      \
        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(from, to)      \
        ".pushsection __ex_table, \"a\"\n"      \
        ".long (" #from ") - __ex_table\n"      \
        ".long (" #to ") - __ex_table\n"        \
        ".popsection\n"
#endif

#endif /* __VDSO_EXTABLE_H */