* sysdeps/i386/add_n.S: Wrap entry-point symbol in BP_SYM ().

Check bounds of arguments. 
* sysdeps/i386/addmul_1.S: Likewise. 
* sysdeps/i386/lshift.S: Likewise. 
* sysdeps/i386/mul_1.S: Likewise. 
* sysdeps/i386/rshift.S: Likewise. 
* sysdeps/i386/sub_n.S: Likewise. 
* sysdeps/i386/submul_1.S: Likewise. 
* sysdeps/i386/i586/add_n.S: Likewise. 
* sysdeps/i386/i586/addmul_1.S: Likewise. 
* sysdeps/i386/i586/lshift.S: Likewise. 
* sysdeps/i386/i586/rshift.S: Likewise. 
* sysdeps/i386/i586/sub_n.S: Likewise. 
* sysdeps/i386/i686/add_n.S: Likewise.
	* sysdeps/i386/memchr.S: Likewise.
	* sysdeps/i386/memcmp.S: Likewise.
	* sysdeps/i386/rawmemchr.S: Likewise.
	* sysdeps/i386/i586/bzero.S: Likewise.
	* sysdeps/i386/i586/memcpy.S: Likewise.
	* sysdeps/i386/i586/mempcpy.S: Likewise.
	* sysdeps/i386/i586/memset.S: Likewise.
	* sysdeps/i386/i686/bzero.S: Likewise.
	* sysdeps/i386/i686/memcpy.S: Likewise.
	* sysdeps/i386/i686/mempcpy.S: Likewise.
	* sysdeps/i386/i686/memset.S: Likewise.

	* sysdeps/i386/stpcpy.S: Likewise.
	* sysdeps/i386/stpncpy.S: Likewise.
	* sysdeps/i386/strchr.S: Likewise.
	* sysdeps/i386/strchrnul.S: Likewise.
	* sysdeps/i386/strcspn.S: Likewise.
	* sysdeps/i386/strpbrk.S: Likewise.
	* sysdeps/i386/strrchr.S: Likewise.
	* sysdeps/i386/strspn.S: Likewise.
	* sysdeps/i386/strtok.S: Likewise.
	* sysdeps/i386/strtok_r.S: Likewise.
	* sysdeps/i386/i486/strcat.S: Likewise.
	* sysdeps/i386/i486/strlen.S: Likewise.
	* sysdeps/i386/i586/strchr.S: Likewise.
	* sysdeps/i386/i586/strcpy.S: Likewise.
	* sysdeps/i386/i586/strlen.S: Likewise.
	* sysdeps/i386/i686/strcmp.S: Likewise.
	* sysdeps/i386/i686/strtok.S: Likewise.
	* sysdeps/i386/i686/strtok_r.S: Likewise.

	* sysdeps/i386/fpu/fegetenv.c: Wrap symbol names with BP_SYM ().
	* sysdeps/i386/fpu/fesetenv.c: Likewise.
	* sysdeps/i386/fpu/feupdateenv.c: Likewise.
	* sysdeps/i386/fpu/fgetexcptflg.c: Likewise.
	* sysdeps/i386/fpu/fsetexcptflg.c: Likewise.
	* sysdeps/i386/add_n.S: Wrap entry-point symbol in BP_SYM ().
	Check bounds of arguments.
	* sysdeps/i386/addmul_1.S: Likewise.
	* sysdeps/i386/lshift.S: Likewise.
	* sysdeps/i386/mul_1.S: Likewise.
	* sysdeps/i386/rshift.S: Likewise.
	* sysdeps/i386/sub_n.S: Likewise.
	* sysdeps/i386/submul_1.S: Likewise.
	* sysdeps/i386/i586/add_n.S: Likewise.
	* sysdeps/i386/i586/addmul_1.S: Likewise.
	* sysdeps/i386/i586/lshift.S: Likewise.
	* sysdeps/i386/i586/rshift.S: Likewise.
	* sysdeps/i386/i586/sub_n.S: Likewise.
	* sysdeps/i386/i686/add_n.S: Likewise.

	* sysdeps/i386/memchr.S: Likewise.
	* sysdeps/i386/memcmp.S: Likewise.
	* sysdeps/i386/rawmemchr.S: Likewise.
	* sysdeps/i386/i586/bzero.S: Likewise.
	* sysdeps/i386/i586/memcpy.S: Likewise.
	* sysdeps/i386/i586/mempcpy.S: Likewise.
	* sysdeps/i386/i586/memset.S: Likewise.
	* sysdeps/i386/i686/bzero.S: Likewise.
	* sysdeps/i386/i686/memcpy.S: Likewise.
	* sysdeps/i386/i686/mempcpy.S: Likewise.
	* sysdeps/i386/i686/memset.S: Likewise.

	* sysdeps/i386/stpcpy.S: Likewise.
	* sysdeps/i386/stpncpy.S: Likewise.
	* sysdeps/i386/strchr.S: Likewise.
	* sysdeps/i386/strchrnul.S: Likewise.
	* sysdeps/i386/strcspn.S: Likewise.
	* sysdeps/i386/strpbrk.S: Likewise.
	* sysdeps/i386/strrchr.S: Likewise.
	* sysdeps/i386/strspn.S: Likewise.
	* sysdeps/i386/strtok.S: Likewise.
	* sysdeps/i386/strtok_r.S: Likewise.
	* sysdeps/i386/i486/strcat.S: Likewise.
	* sysdeps/i386/i486/strlen.S: Likewise.
	* sysdeps/i386/i586/strchr.S: Likewise.
	* sysdeps/i386/i586/strcpy.S: Likewise.
	* sysdeps/i386/i586/strlen.S: Likewise.
	* sysdeps/i386/i686/strcmp.S: Likewise.
	* sysdeps/i386/i686/strtok.S: Likewise.
	* sysdeps/i386/i686/strtok_r.S: Likewise.

	* sysdeps/i386/fpu/fegetenv.c: Wrap symbol names with BP_SYM ().
	* sysdeps/i386/fpu/fesetenv.c: Likewise.
	* sysdeps/i386/fpu/feupdateenv.c: Likewise.
	* sysdeps/i386/fpu/fgetexcptflg.c: Likewise.
	* sysdeps/i386/fpu/fsetexcptflg.c: Likewise.

2 files changed, 14 insertions, 6 deletions

diff --git a/sysdeps/i386/i486/strcat.S b/sysdeps/i386/i486/strcat.S
index c4ab170..a37511f 100644
--- a/sysdeps/i386/i486/strcat.S
+++ b/sysdeps/i386/i486/strcat.S
@@ -22,6 +22,7 @@
 
 #include <sysdep.h>
 #include "asm-syntax.h"
+#include "bp-sym.h"
 #include "bp-asm.h"
 
 #define PARMS	LINKAGE+4	/* space for 1 saved reg */
@@ -30,13 +31,15 @@
 #define SRC	DEST+PTR_SIZE
 
 	.text
-ENTRY (strcat)
+ENTRY (BP_SYM (strcat))
 	ENTER
 
 	pushl %edi		/* Save callee-safe register.  */
 
 	movl DEST(%esp), %edx
 	movl SRC(%esp), %ecx
+	CHECK_BOUNDS_LOW (%edx, DEST(%esp))
+	CHECK_BOUNDS_LOW (%ecx, SRC(%esp))
 
 	testb $0xff, (%ecx)	/* Is source string empty? */
 	jz L(8)			/* yes => return */
@@ -256,9 +259,11 @@ L(9):	movb %al, (%ecx,%edx)	/* store first byte of last word */
 
 	movb %ah, 3(%ecx,%edx)	/* store fourth byte of last word */
 
-L(8):	movl DEST(%esp), %eax	/* start address of destination is result */
+L(8):	/* GKM FIXME: check high bounds */
+	movl DEST(%esp), %eax	/* start address of destination is result */
+	RETURN_BOUNDED_POINTER (DEST(%esp))
 	popl %edi		/* restore saved register */
 
 	LEAVE
 	RET_PTR
-END (strcat)
+END (BP_SYM (strcat))
diff --git a/sysdeps/i386/i486/strlen.S b/sysdeps/i386/i486/strlen.S
index d19a345..6c3eba8 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))