diff options
| -rw-r--r-- | arch/x86/lib/putuser_32.S | 43 | ||||
| -rw-r--r-- | arch/x86/lib/putuser_64.S | 41 | ||||
| -rw-r--r-- | include/asm-x86/asm.h | 2 |
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 */ |