diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/x86/lib/putuser.S')
-rw-r--r-- | ANDROID_3.4.5/arch/x86/lib/putuser.S | 97 |
1 files changed, 0 insertions, 97 deletions
diff --git a/ANDROID_3.4.5/arch/x86/lib/putuser.S b/ANDROID_3.4.5/arch/x86/lib/putuser.S deleted file mode 100644 index 36b0d15a..00000000 --- a/ANDROID_3.4.5/arch/x86/lib/putuser.S +++ /dev/null @@ -1,97 +0,0 @@ -/* - * __put_user functions. - * - * (C) Copyright 2005 Linus Torvalds - * (C) Copyright 2005 Andi Kleen - * (C) Copyright 2008 Glauber Costa - * - * These functions have a non-standard call interface - * to make them more efficient, especially as they - * return an error value in addition to the "real" - * return value. - */ -#include <linux/linkage.h> -#include <asm/dwarf2.h> -#include <asm/thread_info.h> -#include <asm/errno.h> -#include <asm/asm.h> - - -/* - * __put_user_X - * - * Inputs: %eax[:%edx] contains the data - * %ecx contains the address - * - * Outputs: %eax is error code (0 or -EFAULT) - * - * These functions should not modify any other registers, - * as they get called from within inline assembly. - */ - -#define ENTER CFI_STARTPROC ; \ - GET_THREAD_INFO(%_ASM_BX) -#define EXIT ret ; \ - CFI_ENDPROC - -.text -ENTRY(__put_user_1) - ENTER - cmp TI_addr_limit(%_ASM_BX),%_ASM_CX - jae bad_put_user -1: movb %al,(%_ASM_CX) - xor %eax,%eax - EXIT -ENDPROC(__put_user_1) - -ENTRY(__put_user_2) - ENTER - mov TI_addr_limit(%_ASM_BX),%_ASM_BX - sub $1,%_ASM_BX - cmp %_ASM_BX,%_ASM_CX - jae bad_put_user -2: movw %ax,(%_ASM_CX) - xor %eax,%eax - EXIT -ENDPROC(__put_user_2) - -ENTRY(__put_user_4) - ENTER - mov TI_addr_limit(%_ASM_BX),%_ASM_BX - sub $3,%_ASM_BX - cmp %_ASM_BX,%_ASM_CX - jae bad_put_user -3: movl %eax,(%_ASM_CX) - xor %eax,%eax - EXIT -ENDPROC(__put_user_4) - -ENTRY(__put_user_8) - ENTER - mov TI_addr_limit(%_ASM_BX),%_ASM_BX - sub $7,%_ASM_BX - cmp %_ASM_BX,%_ASM_CX - jae bad_put_user -4: mov %_ASM_AX,(%_ASM_CX) -#ifdef CONFIG_X86_32 -5: movl %edx,4(%_ASM_CX) -#endif - xor %eax,%eax - EXIT -ENDPROC(__put_user_8) - -bad_put_user: - CFI_STARTPROC - movl $-EFAULT,%eax - EXIT -END(bad_put_user) - -.section __ex_table,"a" - _ASM_PTR 1b,bad_put_user - _ASM_PTR 2b,bad_put_user - _ASM_PTR 3b,bad_put_user - _ASM_PTR 4b,bad_put_user -#ifdef CONFIG_X86_32 - _ASM_PTR 5b,bad_put_user -#endif -.previous |