Messages in this thread Patch in this message |  | | | From | Glauber Costa <> | | Subject | [PATCH 20/39] replace function headers by macros | | Date | Fri, 27 Jun 2008 18:34:27 -0300 |
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in putuser_64.S, do it the i386 way, and replace the code in beginning and end of functions with macros, since it's always the same thing. Save lines.
Signed-off-by: Glauber Costa <gcosta@redhat.com> --- arch/x86/lib/putuser_64.S | 32 ++++++++++++++------------------ 1 files changed, 14 insertions(+), 18 deletions(-) diff --git a/arch/x86/lib/putuser_64.S b/arch/x86/lib/putuser_64.S index a96bd8a..6d7513b 100644 --- a/arch/x86/lib/putuser_64.S +++ b/arch/x86/lib/putuser_64.S @@ -31,62 +31,58 @@ #include <asm/asm-offsets.h> #include <asm/thread_info.h> +#define ENTER CFI_STARTPROC ; \ + GET_THREAD_INFO(%rbx) +#define EXIT ret ; \ + CFI_ENDPROC + .text ENTRY(__put_user_1) - CFI_STARTPROC - GET_THREAD_INFO(%rbx) + ENTER cmpq TI_addr_limit(%rbx),%rcx jae bad_put_user 1: movb %al,(%rcx) xorl %eax,%eax - ret - CFI_ENDPROC + EXIT ENDPROC(__put_user_1) ENTRY(__put_user_2) - CFI_STARTPROC - GET_THREAD_INFO(%rbx) + ENTER mov TI_addr_limit(%rbx),%rbx sub $1, %rbx cmpq %rbx ,%rcx jae bad_put_user 2: movw %ax,(%rcx) xorl %eax,%eax - ret - CFI_ENDPROC + EXIT ENDPROC(__put_user_2) ENTRY(__put_user_4) - CFI_STARTPROC - GET_THREAD_INFO(%rbx) + ENTER mov TI_addr_limit(%rbx),%rbx sub $3, %rbx cmp %rbx, %rcx jae bad_put_user 3: movl %eax,(%rcx) xorl %eax,%eax - ret - CFI_ENDPROC + EXIT ENDPROC(__put_user_4) ENTRY(__put_user_8) - CFI_STARTPROC - GET_THREAD_INFO(%rbx) + ENTER mov TI_addr_limit(%rbx),%rbx sub $7, %rbx cmp %rbx, %rcx jae bad_put_user 4: movq %rax,(%rcx) xorl %eax,%eax - ret - CFI_ENDPROC + EXIT ENDPROC(__put_user_8) bad_put_user: CFI_STARTPROC movq $(-EFAULT),%rax - ret - CFI_ENDPROC + EXIT END(bad_put_user) .section __ex_table,"a" -- 1.5.5.1
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