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Add .cfi for __ARM_EABI__ 

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This commit is contained in:
matt 2013-08-19 01:12:08 +00:00
parent b4e387d260
commit 9dae71ed91
1 changed files with 21 additions and 6 deletions
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27
common/lib/libc/arch/arm/string/strlcat_arm.S
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@ -29,11 +29,23 @@
#include <machine/asm.h>
RCSID("$NetBSD: strlcat_arm.S,v 1.1 2013/01/23 07:02:45 matt Exp $")
RCSID("$NetBSD: strlcat_arm.S,v 1.2 2013/08/19 01:12:08 matt Exp $")
/* LINTSTUB: size_t strlcat(char *, const char *, size_t) */
ENTRY(strlcat)
#ifdef __ARM_EABI__
.fnstart
.cfi_startproc
#endif
push {r4-r6, lr}
#ifdef __ARM_EABI__
.save {r4-r6, lr}
.cfi_def_cfa_offset 16
.cfi_register 14, -4
.cfi_register 6, -8
.cfi_register 5, -12
.cfi_register 4, -16
#endif
mov r4, r0 /* save dst */
mov r5, r1 /* save src */
mov r6, r2 /* save siz */
@ -41,12 +53,15 @@ ENTRY(strlcat)
mov r1, r6 /* get siz */
bl PLT_SYM(strnlen) /* find length of dst (up to siz) */
sub r2, r6, r0 /* get remaining space in dst */
subs r2, r6, r0 /* get remaining space in dst */
mov r1, r5 /* restore src */
mov r5, r0 /* save remaining space */
add r0, r0, r4 /* set start to end of dst */
adds r0, r0, r4 /* set start to end of dst */
bl PLT_SYM(strlcpy) /* attempt to copy src */
add r0, r0, r5 /* add remaining to strlcpy return */
pop {r4-r6, lr} /* restore registers */
RET /* return */
adds r0, r0, r5 /* add remaining to strlcpy return */
pop {r4-r6, pc} /* restore registers and return */
#ifdef __ARM_EABI__
.cfi_endproc
.fnend
#endif
END(strlcat)