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| author | Ingo Molnar <mingo@elte.hu> | 2008-07-15 13:45:59 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-15 13:45:59 +0200 |
| commit | 91d0322bef047e2916b3e52741411bffc63929cb (patch) | |
| tree | 44c4fd13cc17755a6db8a3d70cffb86e57a838dc /arch/x86/lib/getuser_32.S | |
| parent | 065cb3dfe24978651caedfa54da585388ad15dde (diff) | |
| parent | 50515af207d410c9f228380e529c56f43c3de0bd (diff) | |
| download | blackbird-op-linux-91d0322bef047e2916b3e52741411bffc63929cb.tar.gz blackbird-op-linux-91d0322bef047e2916b3e52741411bffc63929cb.zip | |
Merge branch 'linus' into x86/urgent
Diffstat (limited to 'arch/x86/lib/getuser_32.S')
| -rw-r--r-- | arch/x86/lib/getuser_32.S | 78 |
1 files changed, 0 insertions, 78 deletions
diff --git a/arch/x86/lib/getuser_32.S b/arch/x86/lib/getuser_32.S deleted file mode 100644 index 6d84b53f12a2..000000000000 --- a/arch/x86/lib/getuser_32.S +++ /dev/null @@ -1,78 +0,0 @@ -/* - * __get_user functions. - * - * (C) Copyright 1998 Linus Torvalds - * - * 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> - - -/* - * __get_user_X - * - * Inputs: %eax contains the address - * - * Outputs: %eax is error code (0 or -EFAULT) - * %edx contains zero-extended value - * - * These functions should not modify any other registers, - * as they get called from within inline assembly. - */ - -.text -ENTRY(__get_user_1) - CFI_STARTPROC - GET_THREAD_INFO(%edx) - cmpl TI_addr_limit(%edx),%eax - jae bad_get_user -1: movzbl (%eax),%edx - xorl %eax,%eax - ret - CFI_ENDPROC -ENDPROC(__get_user_1) - -ENTRY(__get_user_2) - CFI_STARTPROC - addl $1,%eax - jc bad_get_user - GET_THREAD_INFO(%edx) - cmpl TI_addr_limit(%edx),%eax - jae bad_get_user -2: movzwl -1(%eax),%edx - xorl %eax,%eax - ret - CFI_ENDPROC -ENDPROC(__get_user_2) - -ENTRY(__get_user_4) - CFI_STARTPROC - addl $3,%eax - jc bad_get_user - GET_THREAD_INFO(%edx) - cmpl TI_addr_limit(%edx),%eax - jae bad_get_user -3: movl -3(%eax),%edx - xorl %eax,%eax - ret - CFI_ENDPROC -ENDPROC(__get_user_4) - -bad_get_user: - CFI_STARTPROC - xorl %edx,%edx - movl $-14,%eax - ret - CFI_ENDPROC -END(bad_get_user) - -.section __ex_table,"a" - .long 1b,bad_get_user - .long 2b,bad_get_user - .long 3b,bad_get_user -.previous |
