Provide 64-bit PowerPC support in libc.

Obtained from:	projects/ppc64

1 files changed, 109 insertions, 0 deletions

diff --git a/lib/libc/powerpc64/SYS.h b/lib/libc/powerpc64/SYS.h
new file mode 100644
index 0000000..7816825
--- /dev/null
+++ b/lib/libc/powerpc64/SYS.h
@@ -0,0 +1,109 @@
+/*-
+ * Copyright (c) 2002 Benno Rice.  All rights reserved.
+ * Copyright (c) 2002 David E. O'Brien.  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.
+ * 3. Neither the name of the author nor the names of any contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * 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 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.
+ *
+ *	$NetBSD: SYS.h,v 1.8 2002/01/14 00:55:56 thorpej Exp $
+ * $FreeBSD$
+ */
+
+#include <sys/syscall.h>
+#include <machine/asm.h>
+
+#define _SYSCALL(x)						\
+	.text;							\
+	.align 2;						\
+	li	0,(__CONCAT(SYS_,x));				\
+	sc
+
+#define	SYSCALL(x)						\
+	.text;							\
+	.align 2;						\
+2:	mflr	%r0;						\
+	std	%r0,16(%r1);					\
+	stdu	%r1,-48(%r1);					\
+	bl	PIC_PLT(CNAME(HIDENAME(cerror)));		\
+	nop;							\
+	addi	%r1,%r1,48;					\
+	ld	%r0,16(%r1);					\
+	mtlr	%r0;						\
+	blr;							\
+ENTRY(__CONCAT(__sys_,x));					\
+	.weak	CNAME(x);					\
+	.set	CNAME(x),CNAME(__CONCAT(__sys_,x));		\
+	.weak	CNAME(__CONCAT(_,x));				\
+	.set	CNAME(__CONCAT(_,x)),CNAME(__CONCAT(__sys_,x));	\
+	.weak	CNAME(__CONCAT(.,x));				\
+	.set	CNAME(__CONCAT(.,x)),CNAME(__CONCAT(.__sys_,x));\
+	.weak	CNAME(__CONCAT(._,x));				\
+	.set	CNAME(__CONCAT(._,x)),CNAME(__CONCAT(.__sys_,x));\
+	_SYSCALL(x);						\
+	bso	2b
+
+#define	PSEUDO(x)						\
+	.text;							\
+	.align 2;						\
+ENTRY(__CONCAT(__sys_,x));					\
+	.weak	CNAME(__CONCAT(_,x));				\
+	.set	CNAME(__CONCAT(_,x)),CNAME(__CONCAT(__sys_,x));	\
+	.weak	CNAME(__CONCAT(._,x));				\
+	.set	CNAME(__CONCAT(._,x)),CNAME(__CONCAT(.__sys_,x));\
+	_SYSCALL(x);						\
+	bnslr;							\
+	mflr	%r0;						\
+	std	%r0,16(%r1);					\
+	stdu	%r1,-48(%r1);					\
+	bl	PIC_PLT(CNAME(HIDENAME(cerror)));		\
+	nop;							\
+	addi	%r1,%r1,48;					\
+	ld	%r0,16(%r1);					\
+	mtlr	%r0;						\
+	blr;
+
+#define	RSYSCALL(x)						\
+	.text;							\
+	.align 2;						\
+ENTRY(__CONCAT(__sys_,x));					\
+	.weak	CNAME(x);					\
+	.set	CNAME(x),CNAME(__CONCAT(__sys_,x));		\
+	.weak	CNAME(__CONCAT(_,x));				\
+	.set	CNAME(__CONCAT(_,x)),CNAME(__CONCAT(__sys_,x));	\
+	.weak	CNAME(__CONCAT(.,x));				\
+	.set	CNAME(__CONCAT(.,x)),CNAME(__CONCAT(.__sys_,x));\
+	.weak	CNAME(__CONCAT(._,x));				\
+	.set	CNAME(__CONCAT(._,x)),CNAME(__CONCAT(.__sys_,x));\
+	_SYSCALL(x);						\
+	bnslr;							\
+								\
+	mflr	%r0;						\
+	std	%r0,16(%r1);					\
+	stdu	%r1,-48(%r1);					\
+	bl	PIC_PLT(CNAME(HIDENAME(cerror)));		\
+	nop;							\
+	addi	%r1,%r1,48;					\
+	ld	%r0,16(%r1);					\
+	mtlr	%r0;						\
+	blr;