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s390/vdso: Use macros for annotation of asm functions

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Use the macros SYM_FUNC_START() and SYM_FUNC_END() to annotate the
functions in assembly.

Signed-off-by: Jens Remus <jremus@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Acked-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
This commit is contained in:
Jens Remus
2024-09-19 14:40:07 +02:00
committed by Vasily Gorbik
parent 5cccfc8be6
commit d361390d9f
1 changed files with 4 additions and 10 deletions
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arch/s390/kernel/vdso64/vdso_user_wrapper.S
+4 -10
View File
@@ -13,10 +13,7 @@
* for details.
*/
.macro vdso_func func
.globl __kernel_\func
.type __kernel_\func,@function
__ALIGN
__kernel_\func:
SYM_FUNC_START(__kernel_\func)
CFI_STARTPROC
aghi %r15,-STACK_FRAME_VDSO_OVERHEAD
CFI_DEF_CFA_OFFSET (STACK_FRAME_USER_OVERHEAD + STACK_FRAME_VDSO_OVERHEAD)
@@ -32,7 +29,7 @@ __kernel_\func:
CFI_RESTORE 15
br %r14
CFI_ENDPROC
.size __kernel_\func,.-__kernel_\func
SYM_FUNC_END(__kernel_\func)
.endm
vdso_func gettimeofday
@@ -41,16 +38,13 @@ vdso_func clock_gettime
vdso_func getcpu
.macro vdso_syscall func,syscall
.globl __kernel_\func
.type __kernel_\func,@function
__ALIGN
__kernel_\func:
SYM_FUNC_START(__kernel_\func)
CFI_STARTPROC
svc \syscall
/* Make sure we notice when a syscall returns, which shouldn't happen */
.word 0
CFI_ENDPROC
.size __kernel_\func,.-__kernel_\func
SYM_FUNC_END(__kernel_\func)
.endm
vdso_syscall restart_syscall,__NR_restart_syscall