Provide 64-bit PowerPC support in libc.

Obtained from:	projects/ppc64

1 files changed, 65 insertions, 0 deletions

diff --git a/lib/libc/powerpc64/sys/ptrace.S b/lib/libc/powerpc64/sys/ptrace.S
new file mode 100644
index 0000000..f420e63
--- /dev/null
+++ b/lib/libc/powerpc64/sys/ptrace.S
@@ -0,0 +1,65 @@
+/*-
+ * 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
+	stdu	%r1,-68(%r1)
+	std	%r0,84(%r1)
+	stw	%r3,48(%r1)
+	stw	%r4,52(%r1)
+	std	%r5,56(%r1)
+	stw	%r6,64(%r1)
+
+	bl	PIC_PLT(CNAME(__error))
+	nop
+	li	%r7,0
+	stw	%r7,0(%r3)
+
+	lwz	%r3,48(%r1)
+	lwz	%r4,52(%r1)
+	ld	%r5,56(%r1)
+	ld	%r0,84(%r1)
+	lwz	%r6,64(%r1)
+	mtlr	%r0
+	ld	%r1,0(%r1)
+	li	%r0,SYS_ptrace
+	sc
+	bso	1f
+	blr
+1:
+	stdu	%r1,-48(%r1)		/* lr already saved */
+	bl	PIC_PLT(HIDENAME(cerror))
+	nop
+	ld	%r1,0(%r1)
+	ld	%r0,16(%r1)
+	mtlr	%r0
+	blr