diff options
| author | Youling Tang <tangyouling@loongson.cn> | 2022-12-10 22:39:48 +0800 |
|---|---|---|
| committer | Huacai Chen <chenhuacai@loongson.cn> | 2022-12-14 08:36:11 +0800 |
| commit | 508f28c67171e276356650f407dd87d42b6913ef (patch) | |
| tree | ee0f73bff2f2b8efac297a7691851e83c605e381 /arch/loongarch/include/asm/asm-extable.h | |
| parent | 1a34e7f2fcbaaeb3c88858d2e4655bc93038ec9b (diff) | |
LoongArch: Consolidate __ex_table construction
Consolidate all the __ex_table constuction code with a _ASM_EXTABLE or
_asm_extable helper.
There should be no functional change as a result of this patch.
Signed-off-by: Youling Tang <tangyouling@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Diffstat (limited to 'arch/loongarch/include/asm/asm-extable.h')
| -rw-r--r-- | arch/loongarch/include/asm/asm-extable.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/arch/loongarch/include/asm/asm-extable.h b/arch/loongarch/include/asm/asm-extable.h new file mode 100644 index 000000000000..4f615bf56727 --- /dev/null +++ b/arch/loongarch/include/asm/asm-extable.h @@ -0,0 +1,35 @@ +/* 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"; \ + .balign 8; \ + .quad (insn); \ + .quad (fixup); \ + .popsection; + + .macro _asm_extable, insn, fixup + __ASM_EXTABLE_RAW(\insn, \fixup) + .endm + +#else /* __ASSEMBLY__ */ + +#include <linux/bits.h> +#include <linux/stringify.h> + +#define __ASM_EXTABLE_RAW(insn, fixup) \ + ".pushsection __ex_table, \"a\"\n" \ + ".balign 8\n" \ + ".quad ((" insn "))\n" \ + ".quad ((" fixup "))\n" \ + ".popsection\n" + +#define _ASM_EXTABLE(insn, fixup) \ + __ASM_EXTABLE_RAW(#insn, #fixup) + +#endif /* __ASSEMBLY__ */ + +#endif /* __ASM_ASM_EXTABLE_H */ |