diff options
Diffstat (limited to 'lib/libc/powerpc64/sys/ptrace.S')
| -rw-r--r-- | lib/libc/powerpc64/sys/ptrace.S | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/lib/libc/powerpc64/sys/ptrace.S b/lib/libc/powerpc64/sys/ptrace.S new file mode 100644 index 000000000000..ede00e7da269 --- /dev/null +++ b/lib/libc/powerpc64/sys/ptrace.S @@ -0,0 +1,67 @@ +/*- + * Copyright (c) 2002 Peter Grehan. + * All rights reserved. + * + * 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. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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. + */ +/* $NetBSD: ptrace.S,v 1.3 2000/02/23 20:16:57 kleink Exp $ */ + +#include <machine/asm.h> +__FBSDID("$FreeBSD$"); + +#include "SYS.h" + +ENTRY(ptrace) + mflr %r0 + std %r0,16(%r1) + stdu %r1,-80(%r1) + stw %r3,48(%r1) + stw %r4,52(%r1) + std %r5,56(%r1) + stw %r6,64(%r1) + + bl CNAME(__error) + nop + li %r7,0 + stw %r7,0(%r3) + + lwz %r3,48(%r1) + lwz %r4,52(%r1) + ld %r5,56(%r1) + lwz %r6,64(%r1) + ld %r1,0(%r1) + ld %r0,16(%r1) + mtlr %r0 + li %r0,SYS_ptrace + sc + bso 1f + blr +1: + stdu %r1,-48(%r1) /* lr already saved */ + bl HIDENAME(cerror) + nop + ld %r1,0(%r1) + ld %r0,16(%r1) + mtlr %r0 + blr + + .section .note.GNU-stack,"",%progbits |