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LoongArch: Remove the .fixup section usage

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Use the `.L_xxx` label to improve fixup code and then remove the .fixup
section usage.

Signed-off-by: Youling Tang <tangyouling@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
This commit is contained in:
Youling Tang
2022-12-10 22:39:59 +08:00
committed by Huacai Chen
parent 672999cfae
commit 912bcfaf36
2 changed files with 11 additions and 19 deletions
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14
arch/loongarch/lib/clear_user.S
View File

@ -9,15 +9,11 @@
#include <asm/export.h>
#include <asm/regdef.h>
.macro fixup_ex from, to, offset, fix
.if \fix
.section .fixup, "ax"
\to: addi.d a0, a1, \offset
.irp to, 0
.L_fixup_handle_\to\():
addi.d a0, a1, (\to) * (-8)
jr ra
.previous
.endif
_asm_extable \from\()b, \to\()b
.endm
.endr
/*
* unsigned long __clear_user(void *addr, size_t size)
@ -36,7 +32,7 @@ SYM_FUNC_START(__clear_user)
2: move a0, a1
jr ra
fixup_ex 1, 3, 0, 1
_asm_extable 1b, .L_fixup_handle_0
SYM_FUNC_END(__clear_user)
EXPORT_SYMBOL(__clear_user)

16
arch/loongarch/lib/copy_user.S
View File

@ -9,15 +9,11 @@
#include <asm/export.h>
#include <asm/regdef.h>
.macro fixup_ex from, to, offset, fix
.if \fix
.section .fixup, "ax"
\to: addi.d a0, a2, \offset
.irp to, 0
.L_fixup_handle_\to\():
addi.d a0, a2, (\to) * (-8)
jr ra
.previous
.endif
_asm_extable \from\()b, \to\()b
.endm
.endr
/*
* unsigned long __copy_user(void *to, const void *from, size_t n)
@ -39,8 +35,8 @@ SYM_FUNC_START(__copy_user)
3: move a0, a2
jr ra
fixup_ex 1, 4, 0, 1
fixup_ex 2, 4, 0, 0
_asm_extable 1b, .L_fixup_handle_0
_asm_extable 2b, .L_fixup_handle_0
SYM_FUNC_END(__copy_user)
EXPORT_SYMBOL(__copy_user)