aboutsummaryrefslogtreecommitdiff
path: root/sysdeps/i386/i586/strlen.S
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps/i386/i586/strlen.S')
-rw-r--r--sysdeps/i386/i586/strlen.S9
1 files changed, 6 insertions, 3 deletions
diff --git a/sysdeps/i386/i586/strlen.S b/sysdeps/i386/i586/strlen.S
index e2771268ed..6af9da9c41 100644
--- a/sysdeps/i386/i586/strlen.S
+++ b/sysdeps/i386/i586/strlen.S
@@ -21,6 +21,7 @@
#include <sysdep.h>
#include "asm-syntax.h"
+#include "bp-sym.h"
#include "bp-asm.h"
/* This version is especially optimized for the i586 (and following?)
@@ -40,10 +41,11 @@
#define STR PARMS
.text
-ENTRY(strlen)
+ENTRY (BP_SYM (strlen))
ENTER
movl STR(%esp), %eax
+ CHECK_BOUNDS_LOW (%eax, STR(%esp))
movl $3, %edx /* load mask (= 3) */
andl %eax, %edx /* separate last two bits of address */
@@ -177,9 +179,10 @@ L(3): subl $4, %eax /* correct too early pointer increment */
incl %eax /* increment pointer */
-L(2): subl STR(%esp), %eax /* now compute the length as difference
+L(2): CHECK_BOUNDS_HIGH (%eax, STR(%esp), jb)
+ subl STR(%esp), %eax /* now compute the length as difference
between start and terminating NUL
character */
LEAVE
ret
-END (strlen)
+END (BP_SYM (strlen))