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author | Greg McGary <greg@mcgary.org> | 2000-06-26 22:15:00 +0000 |
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committer | Greg McGary <greg@mcgary.org> | 2000-06-26 22:15:00 +0000 |
commit | 2fc0882697f83d4ef8fe7090c66a27d9396095ba (patch) | |
tree | 3c5fbeca60aec00a55bdd6443735e2cd241f9c98 /sysdeps/i386/stpncpy.S | |
parent | c2eee429d3cbb5e81b84bca109db19b119dbedc2 (diff) | |
download | glibc-2fc0882697f83d4ef8fe7090c66a27d9396095ba.tar.gz glibc-2fc0882697f83d4ef8fe7090c66a27d9396095ba.tar.xz glibc-2fc0882697f83d4ef8fe7090c66a27d9396095ba.zip |
* 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.
Diffstat (limited to 'sysdeps/i386/stpncpy.S')
-rw-r--r-- | sysdeps/i386/stpncpy.S | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/sysdeps/i386/stpncpy.S b/sysdeps/i386/stpncpy.S index cd1a84558f..8ca2c9dccc 100644 --- a/sysdeps/i386/stpncpy.S +++ b/sysdeps/i386/stpncpy.S @@ -26,6 +26,7 @@ #include <sysdep.h> #include "asm-syntax.h" +#include "bp-sym.h" #include "bp-asm.h" #define PARMS LINKAGE+4 /* space for 1 saved reg */ @@ -35,7 +36,7 @@ #define LEN SRC+PTR_SIZE .text -ENTRY (__stpncpy) +ENTRY (BP_SYM (__stpncpy)) ENTER pushl %esi @@ -43,6 +44,8 @@ ENTRY (__stpncpy) movl DEST(%esp), %eax movl SRC(%esp), %esi movl LEN(%esp), %ecx + CHECK_BOUNDS_LOW (%eax, DEST(%esp)) + CHECK_BOUNDS_LOW (%esi, SRC(%esp)) subl %eax, %esi /* magic: reduce number of loop variants to one using addressing mode */ @@ -137,10 +140,17 @@ L(8): L(3): decl %ecx /* all bytes written? */ jnz L(8) /* no, then again */ -L(9): popl %esi /* restore saved register content */ +L(9): +#if __BOUNDED_POINTERS__ + addl %eax, %esi /* undo magic: %esi now points beyond end of SRC */ + CHECK_BOUNDS_HIGH (%esi, SRC(%esp), jb) + CHECK_BOUNDS_HIGH (%eax, DEST(%esp), jb) + RETURN_BOUNDED_POINTER (DEST(%esp)) +#endif + popl %esi /* restore saved register content */ LEAVE RET_PTR -END (__stpncpy) +END (BP_SYM (__stpncpy)) -weak_alias (__stpncpy, stpncpy) +weak_alias (BP_SYM (__stpncpy), BP_SYM (stpncpy)) |