diff options
Diffstat (limited to 'kernel/arch/arm/lib/clear_user.S')
| -rw-r--r-- | kernel/arch/arm/lib/clear_user.S | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/kernel/arch/arm/lib/clear_user.S b/kernel/arch/arm/lib/clear_user.S index 1710fd7db..e936352cc 100644 --- a/kernel/arch/arm/lib/clear_user.S +++ b/kernel/arch/arm/lib/clear_user.S @@ -9,17 +9,20 @@ */ #include <linux/linkage.h> #include <asm/assembler.h> +#include <asm/unwind.h> .text -/* Prototype: int __clear_user(void *addr, size_t sz) +/* Prototype: unsigned long arm_clear_user(void *addr, size_t sz) * Purpose : clear some user memory * Params : addr - user memory address to clear * : sz - number of bytes to clear * Returns : number of bytes NOT cleared */ ENTRY(__clear_user_std) -WEAK(__clear_user) +WEAK(arm_clear_user) +UNWIND(.fnstart) +UNWIND(.save {r1, lr}) stmfd sp!, {r1, lr} mov r2, #0 cmp r1, #4 @@ -44,7 +47,8 @@ WEAK(__clear_user) USER( strnebt r2, [r0]) mov r0, #0 ldmfd sp!, {r1, pc} -ENDPROC(__clear_user) +UNWIND(.fnend) +ENDPROC(arm_clear_user) ENDPROC(__clear_user_std) .pushsection .text.fixup,"ax" |