diff options
Diffstat (limited to 'sysdeps/i386/i486/strlen.S')
| -rw-r--r-- | sysdeps/i386/i486/strlen.S | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/sysdeps/i386/i486/strlen.S b/sysdeps/i386/i486/strlen.S index d19a3457cf..6c3eba8ad7 100644 --- a/sysdeps/i386/i486/strlen.S +++ b/sysdeps/i386/i486/strlen.S @@ -21,16 +21,18 @@ #include <sysdep.h> #include "asm-syntax.h" +#include "bp-sym.h" #include "bp-asm.h" #define PARMS LINKAGE /* no space for saved regs */ #define STR PARMS .text -ENTRY (strlen) +ENTRY (BP_SYM (strlen)) ENTER movl STR(%esp), %ecx + CHECK_BOUNDS_LOW (%ecx, STR(%esp)) movl %ecx, %eax /* duplicate it */ andl $3, %ecx /* mask alignment bits */ @@ -128,8 +130,9 @@ L(3): testb %cl, %cl /* is first byte NUL? */ jz L(2) /* yes => return pointer */ incl %eax /* increment pointer */ -L(2): subl STR(%esp), %eax /* compute difference to string start */ +L(2): CHECK_BOUNDS_HIGH (%eax, STR(%esp), jb) + subl STR(%esp), %eax /* compute difference to string start */ LEAVE ret -END (strlen) +END (BP_SYM (strlen)) |