| /* 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) \ |
| 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 */ |
