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| author | WANG Rui <wangrui@loongson.cn> | 2023-06-29 15:58:43 +0300 |
|---|---|---|
| committer | Huacai Chen <chenhuacai@loongson.cn> | 2023-06-29 15:58:43 +0300 |
| commit | 24da0249d950bbf97a8513daf414b48548b8bbe9 (patch) | |
| tree | 6bbe6a24273682fee1311244547aadf3a4e76b8b /arch/loongarch | |
| parent | 414cefc798a30895d61e9d5b010fcf350af782d6 (diff) | |
| download | linux-24da0249d950bbf97a8513daf414b48548b8bbe9.tar.xz | |
LoongArch: extable: Also recognize ABI names of registers
When the kernel is compiled with LLVM, the register names being handled
during exception fixup building are ABI names instead of bare $rNN
style. Add mapping for the ABI names for LLVM compatibility.
Signed-off-by: WANG Rui <wangrui@loongson.cn>
Signed-off-by: WANG Xuerui <git@xen0n.name>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Diffstat (limited to 'arch/loongarch')
| -rw-r--r-- | arch/loongarch/include/asm/gpr-num.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/arch/loongarch/include/asm/gpr-num.h b/arch/loongarch/include/asm/gpr-num.h index e0941af20c7e..996038da806d 100644 --- a/arch/loongarch/include/asm/gpr-num.h +++ b/arch/loongarch/include/asm/gpr-num.h @@ -9,6 +9,22 @@ .equ .L__gpr_num_$r\num, \num .endr + /* ABI names of registers */ + .equ .L__gpr_num_$ra, 1 + .equ .L__gpr_num_$tp, 2 + .equ .L__gpr_num_$sp, 3 + .irp num,0,1,2,3,4,5,6,7 + .equ .L__gpr_num_$a\num, 4 + \num + .endr + .irp num,0,1,2,3,4,5,6,7,8 + .equ .L__gpr_num_$t\num, 12 + \num + .endr + .equ .L__gpr_num_$s9, 22 + .equ .L__gpr_num_$fp, 22 + .irp num,0,1,2,3,4,5,6,7,8 + .equ .L__gpr_num_$s\num, 23 + \num + .endr + #else /* __ASSEMBLY__ */ #define __DEFINE_ASM_GPR_NUMS \ @@ -16,6 +32,20 @@ " .irp num,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31\n" \ " .equ .L__gpr_num_$r\\num, \\num\n" \ " .endr\n" \ +" .equ .L__gpr_num_$ra, 1\n" \ +" .equ .L__gpr_num_$tp, 2\n" \ +" .equ .L__gpr_num_$sp, 3\n" \ +" .irp num,0,1,2,3,4,5,6,7\n" \ +" .equ .L__gpr_num_$a\\num, 4 + \\num\n" \ +" .endr\n" \ +" .irp num,0,1,2,3,4,5,6,7,8\n" \ +" .equ .L__gpr_num_$t\\num, 12 + \\num\n" \ +" .endr\n" \ +" .equ .L__gpr_num_$s9, 22\n" \ +" .equ .L__gpr_num_$fp, 22\n" \ +" .irp num,0,1,2,3,4,5,6,7,8\n" \ +" .equ .L__gpr_num_$s\\num, 23 + \\num\n" \ +" .endr\n" \ #endif /* __ASSEMBLY__ */ |