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| author |   Jan Beulich <jbeulich@novell.com> | 2006-09-26 10:52:32 +0200 |
|---|---|---|
| committer |   Andi Kleen <andi@basil.nowhere.org> | 2006-09-26 10:52:32 +0200 |
| commit | 8d379dad8f1670d233ac67b76b1c5a42ad3714a3 (patch) | |
| tree | 7c0dff27bf08da33760b97529ee65aff911260d1 /arch/x86_64/lib/putuser.S | |
| parent | [PATCH] i386: Clean up spin/rwlocks (diff) | |
| download | linux-dev-8d379dad8f1670d233ac67b76b1c5a42ad3714a3.tar.xz linux-dev-8d379dad8f1670d233ac67b76b1c5a42ad3714a3.zip | |
[PATCH] annotate arch/x86_64/lib/*.S
Add unwind annotations to arch/x86_64/lib/*.S, and also use the macros
provided by linux/linkage.h where-ever possible.
Some of the alternative instructions handling needed to be adjusted so
that the replacement code would also have valid unwind information.
Signed-off-by: Jan Beulich <jbeulich@novell.com>
Signed-off-by: Andi Kleen <ak@suse.de>
Diffstat (limited to 'arch/x86_64/lib/putuser.S')
| -rw-r--r-- | arch/x86_64/lib/putuser.S | 32 |
1 files changed, 20 insertions, 12 deletions
diff --git a/arch/x86_64/lib/putuser.S b/arch/x86_64/lib/putuser.S index 7f5593974e2d..4989f5a8fa9b 100644 --- a/arch/x86_64/lib/putuser.S +++ b/arch/x86_64/lib/putuser.S @@ -25,25 +25,26 @@ */ #include <linux/linkage.h> +#include <asm/dwarf2.h> #include <asm/page.h> #include <asm/errno.h> #include <asm/asm-offsets.h> #include <asm/thread_info.h> .text - .p2align 4 -.globl __put_user_1 -__put_user_1: +ENTRY(__put_user_1) + CFI_STARTPROC GET_THREAD_INFO(%r8) cmpq threadinfo_addr_limit(%r8),%rcx jae bad_put_user 1: movb %dl,(%rcx) xorl %eax,%eax ret + CFI_ENDPROC +ENDPROC(__put_user_1) - .p2align 4 -.globl __put_user_2 -__put_user_2: +ENTRY(__put_user_2) + CFI_STARTPROC GET_THREAD_INFO(%r8) addq $1,%rcx jc 20f @@ -55,10 +56,11 @@ __put_user_2: ret 20: decq %rcx jmp bad_put_user + CFI_ENDPROC +ENDPROC(__put_user_2) - .p2align 4 -.globl __put_user_4 -__put_user_4: +ENTRY(__put_user_4) + CFI_STARTPROC GET_THREAD_INFO(%r8) addq $3,%rcx jc 30f @@ -70,10 +72,11 @@ __put_user_4: ret 30: subq $3,%rcx jmp bad_put_user + CFI_ENDPROC +ENDPROC(__put_user_4) - .p2align 4 -.globl __put_user_8 -__put_user_8: +ENTRY(__put_user_8) + CFI_STARTPROC GET_THREAD_INFO(%r8) addq $7,%rcx jc 40f @@ -85,10 +88,15 @@ __put_user_8: ret 40: subq $7,%rcx jmp bad_put_user + CFI_ENDPROC +ENDPROC(__put_user_8) bad_put_user: + CFI_STARTPROC movq $(-EFAULT),%rax ret + CFI_ENDPROC +END(bad_put_user) .section __ex_table,"a" .quad 1b,bad_put_user |