diff options
Diffstat (limited to 'sysdeps/i386/strcspn.S')
-rw-r--r-- | sysdeps/i386/strcspn.S | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/sysdeps/i386/strcspn.S b/sysdeps/i386/strcspn.S index e7529a1..b3e5d23 100644 --- a/sysdeps/i386/strcspn.S +++ b/sysdeps/i386/strcspn.S @@ -23,6 +23,7 @@ #include <sysdep.h> #include "asm-syntax.h" +#include "bp-sym.h" #include "bp-asm.h" #define PARMS LINKAGE /* no space for saved regs */ @@ -30,11 +31,12 @@ #define STOP STR+PTR_SIZE .text -ENTRY (strcspn) +ENTRY (BP_SYM (strcspn)) ENTER movl STR(%esp), %edx movl STOP(%esp), %eax + CHECK_BOUNDS_LOW (%edx, STR(%esp)) /* First we create a table with flags for all possible characters. For the ASCII (7bit/8bit) or ISO-8859-X character sets which are @@ -169,11 +171,11 @@ L(3): addl $4, %eax /* adjust pointer for full loop round */ L(6): incl %eax L(5): incl %eax -L(4): subl %edx, %eax /* we have to return the number of valid +L(4): addl $256, %esp /* remove stopset */ + CHECK_BOUNDS_HIGH (%eax, STR(%esp), jb) + subl %edx, %eax /* we have to return the number of valid characters, so compute distance to first non-valid character */ - addl $256, %esp /* remove stopset */ - LEAVE ret -END (strcspn) +END (BP_SYM (strcspn)) |