Provide 64-bit PowerPC support in libc.

Obtained from:	projects/ppc64

8 files changed, 408 insertions, 0 deletions

diff --git a/lib/libc/powerpc64/sys/Makefile.inc b/lib/libc/powerpc64/sys/Makefile.inc
new file mode 100644
index 0000000..5193cc2
--- /dev/null
+++ b/lib/libc/powerpc64/sys/Makefile.inc
@@ -0,0 +1,11 @@
+# $FreeBSD$
+
+MDASM+=	brk.S cerror.S exect.S pipe.S ptrace.S sbrk.S setlogin.S
+
+# Don't generate default code for these syscalls:
+NOASM=	break.o exit.o getlogin.o openbsd_poll.o sstk.o yield.o
+
+PSEUDO=	_getlogin.o _exit.o
+.if !defined(WITHOUT_SYSCALL_COMPAT)
+PSEUDO+= _pread.o _pwrite.o _lseek.o _mmap.o _ftruncate.o _truncate.o
+.endif
diff --git a/lib/libc/powerpc64/sys/brk.S b/lib/libc/powerpc64/sys/brk.S
new file mode 100644
index 0000000..5450a87
--- /dev/null
+++ b/lib/libc/powerpc64/sys/brk.S
@@ -0,0 +1,70 @@
+/*-
+ * 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: brk.S,v 1.9 2000/06/26 06:25:43 kleink Exp $   */
+
+#include <machine/asm.h>
+__FBSDID("$FreeBSD$");
+
+#include "SYS.h"
+
+        .globl  HIDENAME(curbrk)
+        .globl  HIDENAME(minbrk)
+        .globl  CNAME(_end)
+
+        .data
+HIDENAME(minbrk):
+        .llong   CNAME(_end)
+
+        .text
+
+ENTRY(brk)
+	addis	%r6,%r2,HIDENAME(minbrk)@toc@ha
+	ld	%r6,HIDENAME(minbrk)@toc@l(%r6)
+	cmpld   %r6,%r3			/* if (minbrk <= r3) */
+	bgt     0f
+	mr	%r6,%r3			/* r6 = r3 */
+0:
+	mr      %r3,%r6			/* new break value */
+	li      %r0,SYS_break
+	sc				/* assume, that r5 is kept */
+	bso	1f
+
+	/* record new break */
+	addis	%r7,%r2,HIDENAME(curbrk)@toc@ha
+	std	%r6,HIDENAME(curbrk)@toc@l(%r7)
+
+	blr				/* return 0 */
+
+1:
+	mflr	%r0
+	std	%r0,16(%r1)
+	stdu	%r1,-48(%r1)
+	bl	PIC_PLT(HIDENAME(cerror))
+	nop
+	ld	%r1,0(%r1)
+	ld	%r0,16(%r1)
+	mtlr	%r0
+	blr
diff --git a/lib/libc/powerpc64/sys/cerror.S b/lib/libc/powerpc64/sys/cerror.S
new file mode 100644
index 0000000..f8bcc38
--- /dev/null
+++ b/lib/libc/powerpc64/sys/cerror.S
@@ -0,0 +1,60 @@
+/*-
+ * 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: cerror.S,v 1.5 2000/01/27 14:58:48 kleink Exp $        */
+
+#include <machine/asm.h>
+__FBSDID("$FreeBSD$");
+	
+#include "SYS.h"
+
+	.globl  HIDENAME(cerror)
+	.globl  CNAME(__error)
+
+	/*
+	 * The __error() function is thread aware. For non-threaded
+	 * programs and the initial threaded in threaded programs,
+	 * it returns a pointer to the global errno variable.
+	 */
+ENTRY(HIDENAME(cerror))
+	mflr	%r0
+	std	%r0,16(%r1)		/* save lr */
+	stdu	%r1,-56(%r1)		/* allocate new stack frame */
+	std	%r31,48(%r1)
+
+	mr	%r31,%r3          /* stash errval in callee-saved register */
+	bl	PIC_PLT(CNAME(__error))
+	nop
+	stw	%r31,0(%r3)		/* store errval into &errno */
+
+	ld	%r31,48(%r1)
+	ld	%r1,0(%r1)
+	ld	%r0,16(%r1)
+	mtlr	%r0
+	li	%r3,-1
+	li	%r4,-1
+	blr
+
+
diff --git a/lib/libc/powerpc64/sys/exect.S b/lib/libc/powerpc64/sys/exect.S
new file mode 100644
index 0000000..eecbd11
--- /dev/null
+++ b/lib/libc/powerpc64/sys/exect.S
@@ -0,0 +1,47 @@
+/*-
+ * 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: exect.S,v 1.3 1998/05/25 15:28:03 ws Exp $     */
+	
+#include <machine/asm.h>
+__FBSDID("$FreeBSD$");
+
+#include "SYS.h"
+
+ENTRY(exect)
+	li	%r0,SYS_execve
+	sc
+	bso	1f
+	blr
+1:
+	mflr	%r0
+	std	%r0,16(%r1)
+	stdu	%r1,-48(%r1)
+	bl	PIC_PLT(HIDENAME(cerror))
+	nop
+	ld	%r1,0(%r1)
+	ld	%r0,16(%r1)
+	mtlr	%r0
+	blr
diff --git a/lib/libc/powerpc64/sys/pipe.S b/lib/libc/powerpc64/sys/pipe.S
new file mode 100644
index 0000000..fe115b0
--- /dev/null
+++ b/lib/libc/powerpc64/sys/pipe.S
@@ -0,0 +1,51 @@
+/*-
+ * 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: pipe.S,v 1.6 2000/09/28 08:38:54 kleink Exp $  */
+
+#include <machine/asm.h>
+__FBSDID("$FreeBSD$");
+
+#include "SYS.h"
+
+ENTRY(pipe)
+	mr	%r5,%r3		/* save pointer */
+	li	%r0,SYS_pipe
+	sc			/* r5 is preserved */
+	bso	1f
+	stw	%r3,0(%r5)	/* success, store fds */
+	stw	%r4,4(%r5)
+	li	%r3,0
+	blr			/* and return 0 */
+1:
+	mflr	%r0
+	std	%r0,16(%r1)
+	stdu	%r1,-48(%r1)
+	bl	PIC_PLT(HIDENAME(cerror))
+	nop
+	ld	%r1,0(%r1)
+	ld	%r0,16(%r1)
+	mtlr	%r0
+	blr
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
diff --git a/lib/libc/powerpc64/sys/sbrk.S b/lib/libc/powerpc64/sys/sbrk.S
new file mode 100644
index 0000000..d11b177
--- /dev/null
+++ b/lib/libc/powerpc64/sys/sbrk.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: sbrk.S,v 1.8 2000/06/26 06:25:44 kleink Exp $  */
+
+#include <machine/asm.h>
+__FBSDID("$FreeBSD$");
+
+#include "SYS.h"
+
+	.globl	HIDENAME(curbrk)
+	.globl	CNAME(_end)
+
+	.data
+HIDENAME(curbrk):
+	.llong	CNAME(_end)
+
+	.text
+ENTRY(sbrk)
+	addis	%r5,%r2,HIDENAME(curbrk)@toc@ha
+	addi	%r5,%r5,HIDENAME(curbrk)@toc@l
+	ld	%r6,0(%r5)			/* r6 = old break */
+	cmpdi	%r3,0				/* sbrk(0) - return curbrk */
+	beq	1f
+	add	%r3,%r3,%r6
+	mr	%r7,%r3				/* r7 = new break */
+	li	%r0,SYS_break
+	sc					/* break(new_break) */
+	bso	2f
+	std     %r7,0(%r5)
+1:
+	mr      %r3,%r6				/* set return value */
+	blr
+2:
+	mflr	%r0
+	std	%r0,16(%r1)
+	stdu	%r1,-48(%r1)
+	bl	PIC_PLT(HIDENAME(cerror))
+	nop
+	ld	%r1,0(%r1)
+	ld	%r0,16(%r1)
+	mtlr	%r0
+	blr
diff --git a/lib/libc/powerpc64/sys/setlogin.S b/lib/libc/powerpc64/sys/setlogin.S
new file mode 100644
index 0000000..19e3212
--- /dev/null
+++ b/lib/libc/powerpc64/sys/setlogin.S
@@ -0,0 +1,39 @@
+/*-
+ * 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: setlogin.S,v 1.3 1998/11/24 11:14:57 tsubai Exp $      */
+
+#include <machine/asm.h>
+__FBSDID("$FreeBSD$");
+	
+#include "SYS.h"
+
+	.globl  CNAME(_logname_valid)		/* in _getlogin() */
+
+SYSCALL(setlogin)
+	addis	%r4,%r2,CNAME(_logname_valid)@toc@ha
+	li	%r5,0
+	stw	%r5,CNAME(_logname_valid)@toc@l(%r4)
+	blr