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authorGlauber Costa <gcosta@redhat.com>2008-06-24 17:36:31 -0300
committerIngo Molnar <mingo@elte.hu>2008-07-09 09:14:12 +0200
commit2528de431ddb200653d1dc6ca90074bad9520f09 (patch)
tree2cce31204c0e6f810bdf8d1d013ea08e931575f7
parentefea505d83873cfc8a7cdbb8a2a11d2c67467843 (diff)
x86: use macros from asm.h.
In putuser_32.S and putuser_64.S, replace things like .quad, .long, and explicit references to [r|e]ax for the apropriate macros in asm/asm.h. Signed-off-by: Glauber Costa <gcosta@redhat.com> Signed-off-by: H. Peter Anvin <hpa@zytor.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
-rw-r--r--arch/x86/lib/putuser_32.S43
-rw-r--r--arch/x86/lib/putuser_64.S41
-rw-r--r--include/asm-x86/asm.h2
3 files changed, 45 insertions, 41 deletions
diff --git a/arch/x86/lib/putuser_32.S b/arch/x86/lib/putuser_32.S
index b67a37cab1b..e7eda34feb3 100644
--- a/arch/x86/lib/putuser_32.S
+++ b/arch/x86/lib/putuser_32.S
@@ -11,6 +11,7 @@
#include <linux/linkage.h>
#include <asm/dwarf2.h>
#include <asm/thread_info.h>
+#include <asm/asm.h>
/*
@@ -26,50 +27,50 @@
*/
#define ENTER CFI_STARTPROC ; \
- GET_THREAD_INFO(%ebx)
+ GET_THREAD_INFO(%_ASM_BX)
#define EXIT ret ; \
CFI_ENDPROC
.text
ENTRY(__put_user_1)
ENTER
- cmp TI_addr_limit(%ebx),%ecx
+ cmp TI_addr_limit(%_ASM_BX),%_ASM_CX
jae bad_put_user
-1: movb %al,(%ecx)
+1: movb %al,(%_ASM_CX)
xor %eax,%eax
EXIT
ENDPROC(__put_user_1)
ENTRY(__put_user_2)
ENTER
- mov TI_addr_limit(%ebx),%ebx
- sub $1,%ebx
- cmp %ebx,%ecx
+ mov TI_addr_limit(%_ASM_BX),%_ASM_BX
+ sub $1,%_ASM_BX
+ cmp %_ASM_BX,%_ASM_CX
jae bad_put_user
-2: movw %ax,(%ecx)
+2: movw %ax,(%_ASM_CX)
xor %eax,%eax
EXIT
ENDPROC(__put_user_2)
ENTRY(__put_user_4)
ENTER
- mov TI_addr_limit(%ebx),%ebx
- sub $3,%ebx
- cmp %ebx,%ecx
+ mov TI_addr_limit(%_ASM_BX),%_ASM_BX
+ sub $3,%_ASM_BX
+ cmp %_ASM_BX,%_ASM_CX
jae bad_put_user
-3: movl %eax,(%ecx)
+3: movl %eax,(%_ASM_CX)
xor %eax,%eax
EXIT
ENDPROC(__put_user_4)
ENTRY(__put_user_8)
ENTER
- mov TI_addr_limit(%ebx),%ebx
- sub $7,%ebx
- cmp %ebx,%ecx
+ mov TI_addr_limit(%_ASM_BX),%_ASM_BX
+ sub $7,%_ASM_BX
+ cmp %_ASM_BX,%_ASM_CX
jae bad_put_user
-4: movl %eax,(%ecx)
-5: movl %edx,4(%ecx)
+4: movl %_ASM_AX,(%_ASM_CX)
+5: movl %edx,4(%_ASM_CX)
xor %eax,%eax
EXIT
ENDPROC(__put_user_8)
@@ -81,9 +82,9 @@ bad_put_user:
END(bad_put_user)
.section __ex_table,"a"
- .long 1b,bad_put_user
- .long 2b,bad_put_user
- .long 3b,bad_put_user
- .long 4b,bad_put_user
- .long 5b,bad_put_user
+ _ASM_PTR 1b,bad_put_user
+ _ASM_PTR 2b,bad_put_user
+ _ASM_PTR 3b,bad_put_user
+ _ASM_PTR 4b,bad_put_user
+ _ASM_PTR 5b,bad_put_user
.previous
diff --git a/arch/x86/lib/putuser_64.S b/arch/x86/lib/putuser_64.S
index c18fc0f5256..d496cc8e730 100644
--- a/arch/x86/lib/putuser_64.S
+++ b/arch/x86/lib/putuser_64.S
@@ -30,64 +30,65 @@
#include <asm/errno.h>
#include <asm/asm-offsets.h>
#include <asm/thread_info.h>
+#include <asm/asm.h>
#define ENTER CFI_STARTPROC ; \
- GET_THREAD_INFO(%rbx)
+ GET_THREAD_INFO(%_ASM_BX)
#define EXIT ret ; \
CFI_ENDPROC
.text
ENTRY(__put_user_1)
ENTER
- cmp TI_addr_limit(%rbx),%rcx
+ cmp TI_addr_limit(%_ASM_BX),%_ASM_CX
jae bad_put_user
-1: movb %al,(%rcx)
+1: movb %al,(%_ASM_CX)
xor %eax,%eax
EXIT
ENDPROC(__put_user_1)
ENTRY(__put_user_2)
ENTER
- mov TI_addr_limit(%rbx),%rbx
- sub $1, %rbx
- cmp %rbx ,%rcx
+ mov TI_addr_limit(%_ASM_BX),%_ASM_BX
+ sub $1, %_ASM_BX
+ cmp %_ASM_BX ,%_ASM_CX
jae bad_put_user
-2: movw %ax,(%rcx)
+2: movw %ax,(%_ASM_CX)
xor %eax,%eax
EXIT
ENDPROC(__put_user_2)
ENTRY(__put_user_4)
ENTER
- mov TI_addr_limit(%rbx),%rbx
- sub $3, %rbx
- cmp %rbx, %rcx
+ mov TI_addr_limit(%_ASM_BX),%_ASM_BX
+ sub $3, %_ASM_BX
+ cmp %_ASM_BX, %_ASM_CX
jae bad_put_user
-3: movl %eax,(%rcx)
+3: movl %eax,(%_ASM_CX)
xor %eax,%eax
EXIT
ENDPROC(__put_user_4)
ENTRY(__put_user_8)
ENTER
- mov TI_addr_limit(%rbx),%rbx
- sub $7, %rbx
- cmp %rbx, %rcx
+ mov TI_addr_limit(%_ASM_BX),%_ASM_BX
+ sub $7, %_ASM_BX
+ cmp %_ASM_BX, %_ASM_CX
jae bad_put_user
-4: movq %rax,(%rcx)
+4: movq %_ASM_AX,(%_ASM_CX)
xor %eax,%eax
EXIT
ENDPROC(__put_user_8)
bad_put_user:
CFI_STARTPROC
- mov $(-EFAULT),%rax
+ mov $(-EFAULT),%eax
EXIT
END(bad_put_user)
.section __ex_table,"a"
- .quad 1b,bad_put_user
- .quad 2b,bad_put_user
- .quad 3b,bad_put_user
- .quad 4b,bad_put_user
+ _ASM_PTR 1b,bad_put_user
+ _ASM_PTR 2b,bad_put_user
+ _ASM_PTR 3b,bad_put_user
+ _ASM_PTR 4b,bad_put_user
.previous
diff --git a/include/asm-x86/asm.h b/include/asm-x86/asm.h
index 57750a95685..97220321f39 100644
--- a/include/asm-x86/asm.h
+++ b/include/asm-x86/asm.h
@@ -28,6 +28,8 @@
#define _ASM_SUB __ASM_SIZE(sub)
#define _ASM_XADD __ASM_SIZE(xadd)
#define _ASM_AX __ASM_REG(ax)
+#define _ASM_BX __ASM_REG(bx)
+#define _ASM_CX __ASM_REG(cx)
#define _ASM_DX __ASM_REG(dx)
/* Exception table entry */