diff options
Diffstat (limited to 'sysdeps/i386')
-rw-r--r-- | sysdeps/i386/i686/memcpy.S | 9 | ||||
-rw-r--r-- | sysdeps/i386/i686/memcpy_chk.S | 35 | ||||
-rw-r--r-- | sysdeps/i386/i686/memmove.S | 9 | ||||
-rw-r--r-- | sysdeps/i386/i686/memmove_chk.S | 35 | ||||
-rw-r--r-- | sysdeps/i386/i686/mempcpy.S | 7 | ||||
-rw-r--r-- | sysdeps/i386/i686/mempcpy_chk.S | 35 | ||||
-rw-r--r-- | sysdeps/i386/i686/memset.S | 7 | ||||
-rw-r--r-- | sysdeps/i386/i686/memset_chk.S | 35 |
8 files changed, 170 insertions, 2 deletions
diff --git a/sysdeps/i386/i686/memcpy.S b/sysdeps/i386/i686/memcpy.S index 865967c5c8..00e84ec2e5 100644 --- a/sysdeps/i386/i686/memcpy.S +++ b/sysdeps/i386/i686/memcpy.S @@ -1,7 +1,7 @@ /* Copy memory block and return pointer to beginning of destination block For Intel 80x86, x>=6. This file is part of the GNU C Library. - Copyright (C) 1999, 2000, 2003 Free Software Foundation, Inc. + Copyright (C) 1999, 2000, 2003, 2004 Free Software Foundation, Inc. Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999. The GNU C Library is free software; you can redistribute it and/or @@ -31,6 +31,13 @@ #define LEN SRC+PTR_SIZE .text +#if defined PIC && !defined NOT_IN_libc +ENTRY (__memcpy_chk) + movl 12(%esp), %eax + cmpl %eax, 16(%esp) + jb HIDDEN_JUMPTARGET (__chk_fail) +END (__memcpy_chk) +#endif ENTRY (BP_SYM (memcpy)) ENTER diff --git a/sysdeps/i386/i686/memcpy_chk.S b/sysdeps/i386/i686/memcpy_chk.S new file mode 100644 index 0000000000..561263f9bf --- /dev/null +++ b/sysdeps/i386/i686/memcpy_chk.S @@ -0,0 +1,35 @@ +/* Checking memcpy for x86-64. + Copyright (C) 2004 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <sysdep.h> +#include "asm-syntax.h" + +#ifndef PIC + /* For libc.so this is defined in memcpy.S. + For libc.a, this is a separate source to avoid + memcpy bringing in __chk_fail and all routines + it calls. */ + .text +ENTRY (__memcpy_chk) + movl 12(%esp), %eax + cmpl %eax, 16(%esp) + jb __chk_fail + jmp memcpy +END (__memcpy_chk) +#endif diff --git a/sysdeps/i386/i686/memmove.S b/sysdeps/i386/i686/memmove.S index 421b4effda..951e139ad4 100644 --- a/sysdeps/i386/i686/memmove.S +++ b/sysdeps/i386/i686/memmove.S @@ -1,7 +1,7 @@ /* Copy memory block and return pointer to beginning of destination block For Intel 80x86, x>=6. This file is part of the GNU C Library. - Copyright (C) 2003 Free Software Foundation, Inc. + Copyright (C) 2003, 2004 Free Software Foundation, Inc. Contributed by Ulrich Drepper <drepper@cygnus.com>, 2003. The GNU C Library is free software; you can redistribute it and/or @@ -31,6 +31,13 @@ #define LEN SRC+PTR_SIZE .text +#if defined PIC && !defined NOT_IN_libc +ENTRY (__memmove_chk) + movl 12(%esp), %eax + cmpl %eax, 16(%esp) + jb HIDDEN_JUMPTARGET (__chk_fail) +END (__memmove_chk) +#endif ENTRY (BP_SYM (memmove)) ENTER diff --git a/sysdeps/i386/i686/memmove_chk.S b/sysdeps/i386/i686/memmove_chk.S new file mode 100644 index 0000000000..23382ea8bf --- /dev/null +++ b/sysdeps/i386/i686/memmove_chk.S @@ -0,0 +1,35 @@ +/* Checking memmove for x86-64. + Copyright (C) 2004 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <sysdep.h> +#include "asm-syntax.h" + +#ifndef PIC + /* For libc.so this is defined in memmove.S. + For libc.a, this is a separate source to avoid + memmove bringing in __chk_fail and all routines + it calls. */ + .text +ENTRY (__memmove_chk) + movl 12(%esp), %eax + cmpl %eax, 16(%esp) + jb __chk_fail + jmp memmove +END (__memmove_chk) +#endif diff --git a/sysdeps/i386/i686/mempcpy.S b/sysdeps/i386/i686/mempcpy.S index 3ea89d4a17..843a35823a 100644 --- a/sysdeps/i386/i686/mempcpy.S +++ b/sysdeps/i386/i686/mempcpy.S @@ -31,6 +31,13 @@ #define LEN SRC+PTR_SIZE .text +#if defined PIC && !defined NOT_IN_libc +ENTRY (__mempcpy_chk) + movl 12(%esp), %eax + cmpl %eax, 16(%esp) + jb HIDDEN_JUMPTARGET (__chk_fail) +END (__mempcpy_chk) +#endif ENTRY (BP_SYM (__mempcpy)) ENTER diff --git a/sysdeps/i386/i686/mempcpy_chk.S b/sysdeps/i386/i686/mempcpy_chk.S new file mode 100644 index 0000000000..dc9c6095f0 --- /dev/null +++ b/sysdeps/i386/i686/mempcpy_chk.S @@ -0,0 +1,35 @@ +/* Checking mempcpy for x86-64. + Copyright (C) 2004 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <sysdep.h> +#include "asm-syntax.h" + +#ifndef PIC + /* For libc.so this is defined in mempcpy.S. + For libc.a, this is a separate source to avoid + mempcpy bringing in __chk_fail and all routines + it calls. */ + .text +ENTRY (__mempcpy_chk) + movl 12(%esp), %eax + cmpl %eax, 16(%esp) + jb __chk_fail + jmp mempcpy +END (__mempcpy_chk) +#endif diff --git a/sysdeps/i386/i686/memset.S b/sysdeps/i386/i686/memset.S index 4ddcb39731..561188ffec 100644 --- a/sysdeps/i386/i686/memset.S +++ b/sysdeps/i386/i686/memset.S @@ -39,6 +39,13 @@ #endif .text +#if defined PIC && !defined NOT_IN_libc && !BZERO_P +ENTRY (__memset_chk) + movl 12(%esp), %eax + cmpl %eax, 16(%esp) + jb HIDDEN_JUMPTARGET (__chk_fail) +END (__memset_chk) +#endif ENTRY (BP_SYM (memset)) ENTER diff --git a/sysdeps/i386/i686/memset_chk.S b/sysdeps/i386/i686/memset_chk.S new file mode 100644 index 0000000000..d178654994 --- /dev/null +++ b/sysdeps/i386/i686/memset_chk.S @@ -0,0 +1,35 @@ +/* Checking memset for x86-64. + Copyright (C) 2004 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <sysdep.h> +#include "asm-syntax.h" + +#ifndef PIC + /* For libc.so this is defined in memset.S. + For libc.a, this is a separate source to avoid + memset bringing in __chk_fail and all routines + it calls. */ + .text +ENTRY (__memset_chk) + movl 12(%esp), %eax + cmpl %eax, 16(%esp) + jb __chk_fail + jmp memset +END (__memset_chk) +#endif |