diff options
Diffstat (limited to 'lib/libc/amd64/sys/ptrace.S')
-rw-r--r-- | lib/libc/amd64/sys/ptrace.S | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/lib/libc/amd64/sys/ptrace.S b/lib/libc/amd64/sys/ptrace.S new file mode 100644 index 0000000..e3ac3a5 --- /dev/null +++ b/lib/libc/amd64/sys/ptrace.S @@ -0,0 +1,61 @@ +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * William Jolitz. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $Id: ptrace.S,v 1.1 1994/08/05 01:18:47 wollman Exp $ + */ + +#if defined(SYSLIBC_RCS) && !defined(lint) + .text + .asciz "$Id$" +#endif /* SYSLIBC_RCS and not lint */ + +#include "SYS.h" + +ENTRY(ptrace) + xorl %eax,%eax +#ifdef PIC + PIC_PROLOGUE + movl PIC_GOT(_errno),%edx + movl %eax,(%edx) + PIC_EPILOGUE +#else + movl %eax,_errno +#endif + lea SYS_ptrace,%eax + LCALL(7,0) + jb err + ret +err: + jmp cerror |