summaryrefslogtreecommitdiffstats
path: root/arch/powerpc/lib/string.S
diff options
context:
space:
mode:
Diffstat (limited to 'arch/powerpc/lib/string.S')
-rw-r--r--arch/powerpc/lib/string.S50
1 files changed, 9 insertions, 41 deletions
diff --git a/arch/powerpc/lib/string.S b/arch/powerpc/lib/string.S
index c80fb49ce607..d13e07603519 100644
--- a/arch/powerpc/lib/string.S
+++ b/arch/powerpc/lib/string.S
@@ -11,20 +11,12 @@
#include <asm/processor.h>
#include <asm/errno.h>
#include <asm/ppc_asm.h>
+#include <asm/export.h>
.section __ex_table,"a"
PPC_LONG_ALIGN
.text
-_GLOBAL(strcpy)
- addi r5,r3,-1
- addi r4,r4,-1
-1: lbzu r0,1(r4)
- cmpwi 0,r0,0
- stbu r0,1(r5)
- bne 1b
- blr
-
/* This clears out any unused part of the destination buffer,
just as the libc version does. -- paulus */
_GLOBAL(strncpy)
@@ -33,6 +25,7 @@ _GLOBAL(strncpy)
mtctr r5
addi r6,r3,-1
addi r4,r4,-1
+ .balign 16
1: lbzu r0,1(r4)
cmpwi 0,r0,0
stbu r0,1(r6)
@@ -44,30 +37,7 @@ _GLOBAL(strncpy)
2: stbu r0,1(r6) /* clear it out if so */
bdnz 2b
blr
-
-_GLOBAL(strcat)
- addi r5,r3,-1
- addi r4,r4,-1
-1: lbzu r0,1(r5)
- cmpwi 0,r0,0
- bne 1b
- addi r5,r5,-1
-1: lbzu r0,1(r4)
- cmpwi 0,r0,0
- stbu r0,1(r5)
- bne 1b
- blr
-
-_GLOBAL(strcmp)
- addi r5,r3,-1
- addi r4,r4,-1
-1: lbzu r3,1(r5)
- cmpwi 1,r3,0
- lbzu r0,1(r4)
- subf. r3,r0,r3
- beqlr 1
- beq 1b
- blr
+EXPORT_SYMBOL(strncpy)
_GLOBAL(strncmp)
PPC_LCMPI 0,r5,0
@@ -75,6 +45,7 @@ _GLOBAL(strncmp)
mtctr r5
addi r5,r3,-1
addi r4,r4,-1
+ .balign 16
1: lbzu r3,1(r5)
cmpwi 1,r3,0
lbzu r0,1(r4)
@@ -84,14 +55,7 @@ _GLOBAL(strncmp)
blr
2: li r3,0
blr
-
-_GLOBAL(strlen)
- addi r4,r3,-1
-1: lbzu r0,1(r4)
- cmpwi 0,r0,0
- bne 1b
- subf r3,r3,r4
- blr
+EXPORT_SYMBOL(strncmp)
#ifdef CONFIG_PPC32
_GLOBAL(memcmp)
@@ -107,6 +71,7 @@ _GLOBAL(memcmp)
blr
2: li r3,0
blr
+EXPORT_SYMBOL(memcmp)
#endif
_GLOBAL(memchr)
@@ -114,12 +79,14 @@ _GLOBAL(memchr)
beq- 2f
mtctr r5
addi r3,r3,-1
+ .balign 16
1: lbzu r0,1(r3)
cmpw 0,r0,r4
bdnzf 2,1b
beqlr
2: li r3,0
blr
+EXPORT_SYMBOL(memchr)
#ifdef CONFIG_PPC32
_GLOBAL(__clear_user)
@@ -163,4 +130,5 @@ _GLOBAL(__clear_user)
PPC_LONG 1b,91b
PPC_LONG 8b,92b
.text
+EXPORT_SYMBOL(__clear_user)
#endif
OpenPOWER on IntegriCloud