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arm64: vdso32: Convert to modern assembler annotations

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In an effort to clarify and simplify the annotation of assembly
functions new macros have been introduced. These replace ENTRY and
ENDPROC with two different annotations for normal functions and those
with unusual calling conventions. Use these for the compat VDSO,
allowing us to drop the custom ARM_ENTRY() and ARM_ENDPROC() macros.

Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
This commit is contained in:
Mark Brown 2020-02-18 19:58:42 +00:00 committed by Catalin Marinas
parent c91db232da
commit 1157eb8f2e
1 changed files with 8 additions and 15 deletions
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23
arch/arm64/kernel/vdso32/sigreturn.S
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@ -10,13 +10,6 @@
#include <asm/asm-offsets.h>
#include <asm/unistd.h>
#define ARM_ENTRY(name) \
ENTRY(name)
#define ARM_ENDPROC(name) \
.type name, %function; \
END(name)
.text
.arm
@ -24,39 +17,39 @@
.save {r0-r15}
.pad #COMPAT_SIGFRAME_REGS_OFFSET
nop
ARM_ENTRY(__kernel_sigreturn_arm)
SYM_FUNC_START(__kernel_sigreturn_arm)
mov r7, #__NR_compat_sigreturn
svc #0
.fnend
ARM_ENDPROC(__kernel_sigreturn_arm)
SYM_FUNC_END(__kernel_sigreturn_arm)
.fnstart
.save {r0-r15}
.pad #COMPAT_RT_SIGFRAME_REGS_OFFSET
nop
ARM_ENTRY(__kernel_rt_sigreturn_arm)
SYM_FUNC_START(__kernel_rt_sigreturn_arm)
mov r7, #__NR_compat_rt_sigreturn
svc #0
.fnend
ARM_ENDPROC(__kernel_rt_sigreturn_arm)
SYM_FUNC_END(__kernel_rt_sigreturn_arm)
.thumb
.fnstart
.save {r0-r15}
.pad #COMPAT_SIGFRAME_REGS_OFFSET
nop
ARM_ENTRY(__kernel_sigreturn_thumb)
SYM_FUNC_START(__kernel_sigreturn_thumb)
mov r7, #__NR_compat_sigreturn
svc #0
.fnend
ARM_ENDPROC(__kernel_sigreturn_thumb)
SYM_FUNC_END(__kernel_sigreturn_thumb)
.fnstart
.save {r0-r15}
.pad #COMPAT_RT_SIGFRAME_REGS_OFFSET
nop
ARM_ENTRY(__kernel_rt_sigreturn_thumb)
SYM_FUNC_START(__kernel_rt_sigreturn_thumb)
mov r7, #__NR_compat_rt_sigreturn
svc #0
.fnend
ARM_ENDPROC(__kernel_rt_sigreturn_thumb)
SYM_FUNC_END(__kernel_rt_sigreturn_thumb)