2002-09-17 Steven Munroe <sjmunroe@us.ibm.com>

	Ported to PowerPC64 running Linux.
	* sysdeps/powerpc/powerpc64/Dist: New file.
	* sysdeps/powerpc/powerpc64/Implies: New file.
	* sysdeps/powerpc/powerpc64/Makefile: New file.
	* sysdeps/powerpc/powerpc64/__longjmp.S: New file.
	* sysdeps/powerpc/powerpc64/atomicity.h: New file.
	* sysdeps/powerpc/powerpc64/backtrace.c: New file.
	* sysdeps/powerpc/powerpc64/bp-asm.h: New file.
	* sysdeps/powerpc/powerpc64/bsd-_setjmp.S: New file.
	* sysdeps/powerpc/powerpc64/bsd-setjmp.S: New file.
	* sysdeps/powerpc/powerpc64/dl-dtprocnum.h: New file.
	* sysdeps/powerpc/powerpc64/dl-lookupcfg.h: New file.
	* sysdeps/powerpc/powerpc64/dl-machine.c: New file.
	* sysdeps/powerpc/powerpc64/dl-machine.h: New file.
	* sysdeps/powerpc/powerpc64/memset.S: New file.
	* sysdeps/powerpc/powerpc64/ppc-mcount.S: New file.
	* sysdeps/powerpc/powerpc64/register-dump.h: New file.
	* sysdeps/powerpc/powerpc64/setjmp.S: New file.
	* sysdeps/powerpc/powerpc64/stpcpy.S: New file.
	* sysdeps/powerpc/powerpc64/strchr.S: New file.
	* sysdeps/powerpc/powerpc64/strcmp.S: New file.
	* sysdeps/powerpc/powerpc64/strcpy.S: New file.
	* sysdeps/powerpc/powerpc64/strlen.S: New file.
	* sysdeps/powerpc/powerpc64/elf/bzero.S: New file.
	* sysdeps/powerpc/powerpc64/elf/start.S: New file.
	* sysdeps/powerpc/powerpc64/fpu/s_copysign.S: New file.
	* sysdeps/powerpc/powerpc64/fpu/s_copysignf.S: New file.
	* sysdeps/unix/sysv/linux/powerpc/powerpc64/Versions: New File.
	* sysdeps/unix/sysv/linux/powerpc/powerpc64/brk.S: New file.
	* sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S: New file.
	* sysdeps/unix/sysv/linux/powerpc/powerpc64/glob64.c: New file.
	* sysdeps/unix/sysv/linux/powerpc/powerpc64/socket.S: New file.
	* sysdeps/unix/sysv/linux/powerpc/powerpc64/syscalls.list: New file.
	* sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep.h: New file.

26 files changed, 2660 insertions, 0 deletions

diff --git a/sysdeps/powerpc/powerpc64/Dist b/sysdeps/powerpc/powerpc64/Dist
new file mode 100644
index 0000000000..bbadfef3b8
--- /dev/null
+++ b/sysdeps/powerpc/powerpc64/Dist
@@ -0,0 +1,4 @@
+dl-machine.c
+ppc-mcount.S
+elf/entry.h
+bp-asm.h
diff --git a/sysdeps/powerpc/powerpc64/Implies b/sysdeps/powerpc/powerpc64/Implies
new file mode 100644
index 0000000000..a8cae95f9d
--- /dev/null
+++ b/sysdeps/powerpc/powerpc64/Implies
@@ -0,0 +1 @@
+wordsize-64
diff --git a/sysdeps/powerpc/powerpc64/Makefile b/sysdeps/powerpc/powerpc64/Makefile
new file mode 100644
index 0000000000..ff6819a63f
--- /dev/null
+++ b/sysdeps/powerpc/powerpc64/Makefile
@@ -0,0 +1,23 @@
+# Powerpc64 specific build options.
+# this is ./sysdeps/powerpc/powerpc64/Makefile
+
++cflags += -Wa,-mppc64 -mpowerpc64
+asm-CPPFLAGS += -Wa,-mppc64
+
+# On PPC64, -fpic is the default so we don't need to specify it. 
+# Also early compilers would issue a warning if -fpic was specified.
+# Each TOC entry takes 8 bytes and the TOC holds up to 2^16 bytes, 
+# or 8192 entries.  If the TOC fills up try -minimal-toc.
+
+ifeq ($(subdir),csu)
+ifneq ($(elf),no)
+# The initfini generation code doesn't work in the presence of -g1 or 
+# higher, so we use -g0.
+CFLAGS-initfini.s = -g0 -O1
+endif
+endif
+
+ifeq ($(subdir),elf)
+# help gcc inline asm code from dl-machine.h
++cflags += --param max-inline-insns=2000
+endif
diff --git a/sysdeps/powerpc/powerpc64/__longjmp.S b/sysdeps/powerpc/powerpc64/__longjmp.S
new file mode 100644
index 0000000000..e4152126b1
--- /dev/null
+++ b/sysdeps/powerpc/powerpc64/__longjmp.S
@@ -0,0 +1,74 @@
+/* longjmp for PowerPC64.
+   Copyright (C) 1995, 1996, 1997, 1999, 2000, 2001, 2002 
+   Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <sysdep.h>
+#define _ASM
+#define _SETJMP_H
+#include <bits/setjmp.h>
+#include <bp-sym.h>
+#include <bp-asm.h>
+
+ENTRY (BP_SYM (__longjmp))
+	CHECK_BOUNDS_BOTH_WIDE_LIT (r3, r8, r9, JB_SIZE)
+	ld r1,(JB_GPR1*8)(r3)
+	ld r2,(JB_GPR2*8)(r3)
+	ld r0,(JB_LR*8)(r3)
+	ld r14,((JB_GPRS+0)*8)(r3)
+	lfd fp14,((JB_FPRS+0)*8)(r3)
+	ld r15,((JB_GPRS+1)*8)(r3)
+	lfd fp15,((JB_FPRS+1)*8)(r3)
+	ld r16,((JB_GPRS+2)*8)(r3)
+	lfd fp16,((JB_FPRS+2)*8)(r3)
+	ld r17,((JB_GPRS+3)*8)(r3)
+	lfd fp17,((JB_FPRS+3)*8)(r3)
+	ld r18,((JB_GPRS+4)*8)(r3)
+	lfd fp18,((JB_FPRS+4)*8)(r3)
+	ld r19,((JB_GPRS+5)*8)(r3)
+	lfd fp19,((JB_FPRS+5)*8)(r3)
+	ld r20,((JB_GPRS+6)*8)(r3)
+	lfd fp20,((JB_FPRS+6)*8)(r3)
+	mtlr r0
+	ld r21,((JB_GPRS+7)*8)(r3)
+	lfd fp21,((JB_FPRS+7)*8)(r3)
+	ld r22,((JB_GPRS+8)*8)(r3)
+	lfd fp22,((JB_FPRS+8)*8)(r3)
+	ld r0,(JB_CR*8)(r3)
+	ld r23,((JB_GPRS+9)*8)(r3)
+	lfd fp23,((JB_FPRS+9)*8)(r3)
+	ld r24,((JB_GPRS+10)*8)(r3)
+	lfd fp24,((JB_FPRS+10)*8)(r3)
+	ld r25,((JB_GPRS+11)*8)(r3)
+	lfd fp25,((JB_FPRS+11)*8)(r3)
+	mtcrf 0xFF,r0
+	ld r26,((JB_GPRS+12)*8)(r3)
+	lfd fp26,((JB_FPRS+12)*8)(r3)
+	ld r27,((JB_GPRS+13)*8)(r3)
+	lfd fp27,((JB_FPRS+13)*8)(r3)
+	ld r28,((JB_GPRS+14)*8)(r3)
+	lfd fp28,((JB_FPRS+14)*8)(r3)
+	ld r29,((JB_GPRS+15)*8)(r3)
+	lfd fp29,((JB_FPRS+15)*8)(r3)
+	ld r30,((JB_GPRS+16)*8)(r3)
+	lfd fp30,((JB_FPRS+16)*8)(r3)
+	ld r31,((JB_GPRS+17)*8)(r3)
+	lfd fp31,((JB_FPRS+17)*8)(r3)
+	mr r3,r4
+	blr
+END (BP_SYM (__longjmp))
diff --git a/sysdeps/powerpc/powerpc64/atomicity.h b/sysdeps/powerpc/powerpc64/atomicity.h
new file mode 100644
index 0000000000..b9d0de0ac5
--- /dev/null
+++ b/sysdeps/powerpc/powerpc64/atomicity.h
@@ -0,0 +1,132 @@
+/* Low-level functions for atomic operations.  PowerPC64 version.
+   Copyright (C) 1997, 1998, 1999, 2000, 2002 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#ifndef _ATOMICITY_H
+#define _ATOMICITY_H	1
+
+#include <inttypes.h>
+
+#if BROKEN_PPC_ASM_CR0
+# define __ATOMICITY_INLINE /* nothing */
+#else
+# define __ATOMICITY_INLINE inline
+#endif
+
+static __ATOMICITY_INLINE int
+__attribute__ ((unused))
+exchange_and_add (volatile uint32_t *mem, int val)
+{
+  int tmp, result;
+  __asm__ ("\n\
+0:	lwarx	%0,0,%2	\n\
+	add%I3	%1,%0,%3	\n\
+	stwcx.	%1,0,%2	\n\
+	bne-	0b	\n\
+" : "=&b"(result), "=&r"(tmp) : "r" (mem), "Ir"(val) : "cr0", "memory");
+  return result;
+}
+
+static __ATOMICITY_INLINE void
+__attribute__ ((unused))
+atomic_add_long (volatile long *mem, int val)
+{
+  int tmp;
+  __asm__ ("\n\
+0:	ldarx	%0,0,%1	\n\
+	add%I2	%0,%0,%2	\n\
+	stdcx.	%0,0,%1	\n\
+	bne-	0b	\n\
+" : "=&b"(tmp) : "r" (mem), "Ir"(val) : "cr0", "memory");
+}
+
+
+static __ATOMICITY_INLINE int
+__attribute__ ((unused))
+exchange_and_add_long (volatile long *mem, int val)
+{
+  int tmp, result;
+  __asm__ ("\n\
+0:	ldarx	%0,0,%2	\n\
+	add%I3	%1,%0,%3	\n\
+	stdcx.	%1,0,%2	\n\
+	bne-	0b	\n\
+" : "=&b"(result), "=&r"(tmp) : "r" (mem), "Ir"(val) : "cr0", "memory");
+  return result;
+}
+
+static __ATOMICITY_INLINE void
+__attribute__ ((unused))
+atomic_add (volatile uint32_t *mem, int val)
+{
+  int tmp;
+  __asm__ ("\n\
+0:	lwarx	%0,0,%1	\n\
+	add%I2	%0,%0,%2	\n\
+	stwcx.	%0,0,%1	\n\
+	bne-	0b	\n\
+" : "=&b"(tmp) : "r" (mem), "Ir"(val) : "cr0", "memory");
+}
+
+static __ATOMICITY_INLINE int
+__attribute__ ((unused))
+compare_and_swap (volatile long int *p, long int oldval, long int newval)
+{
+  int result;
+  __asm__ ("\n\
+0:	ldarx	%0,0,%1	\n\
+	sub%I2c.	%0,%0,%2	\n\
+	cntlzw	%0,%0	\n\
+	bne-	1f	\n\
+	stdcx.	%3,0,%1	\n\
+	bne-	0b	\n\
+1:	\n\
+" : "=&b"(result) : "r"(p), "Ir"(oldval), "r"(newval) : "cr0", "memory");
+  return result >> 5;
+}
+
+static __ATOMICITY_INLINE long int
+__attribute__ ((unused))
+always_swap (volatile long int *p, long int newval)
+{
+  long int result;
+  __asm__ ("\n\
+0:	ldarx	%0,0,%1	\n\
+	stdcx.	%2,0,%1	\n\
+	bne-	0b	\n\
+" : "=&r"(result) : "r"(p), "r"(newval) : "cr0", "memory");
+  return result;
+}
+
+static __ATOMICITY_INLINE int
+__attribute__ ((unused))
+test_and_set (volatile long int *p, long int newval)
+{
+  int result;
+  __asm__ ("\n\
+0:	ldarx	%0,0,%1	\n\
+	cmpdi	%0,0	\n\
+	bne-	1f	\n\
+	stdcx.	%2,0,%1	\n\
+	bne-	0b	\n\
+1:	\n\
+" : "=&r"(result) : "r"(p), "r"(newval) : "cr0", "memory");
+  return result;
+}
+
+#endif /* atomicity.h */
diff --git a/sysdeps/powerpc/powerpc64/backtrace.c b/sysdeps/powerpc/powerpc64/backtrace.c
new file mode 100644
index 0000000000..8669b6a689
--- /dev/null
+++ b/sysdeps/powerpc/powerpc64/backtrace.c
@@ -0,0 +1,69 @@
+/* Return backtrace of current program state.
+   Copyright (C) 1998, 2000, 2002 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <execinfo.h>
+#include <stddef.h>
+#include <bp-checks.h>
+
+/* This is the stack layout we see with every stack frame.
+   Note that every routine is required by the ABI to lay out the stack
+   like this.
+
+            +----------------+        +-----------------+
+    %r1  -> | %r1 last frame--------> | %r1 last frame--->...  --> NULL
+            |                |        |                 |
+            | cr save        |        | cr save	  |
+            |                |        |                 |
+            | (unused)       |        | return address  |
+            +----------------+        +-----------------+
+*/
+struct layout
+{
+  struct layout *__unbounded next;
+  long condition_register;
+  void *__unbounded return_address;
+};
+
+int
+__backtrace (void **array, int size)
+{
+  struct layout *current;
+  int count;
+
+  /* Force gcc to spill LR.  */
+  asm volatile ("" : "=l"(current));
+
+  /* Get the address on top-of-stack.  */
+  asm volatile ("ld %0,0(1)" : "=r"(current));
+  current = BOUNDED_1 (current);
+
+  for (				count = 0;
+       current != NULL && 	count < size;
+       current = BOUNDED_1 (current->next), count++)
+    array[count] = current->return_address;
+
+  /* It's possible the second-last stack frame can't return
+     (that is, it's __libc_start_main), in which case
+     the CRT startup code will have set its LR to 'NULL'.  */
+  if (count > 0 && array[count-1] == NULL)
+    count--;
+
+  return count;
+}
+weak_alias (__backtrace, backtrace)
diff --git a/sysdeps/powerpc/powerpc64/bp-asm.h b/sysdeps/powerpc/powerpc64/bp-asm.h
new file mode 100644
index 0000000000..ee99e3044b
--- /dev/null
+++ b/sysdeps/powerpc/powerpc64/bp-asm.h
@@ -0,0 +1,115 @@
+/* Bounded-pointer definitions for PowerPC64 assembler.
+   Copyright (C) 2000, 2002 Free Software Foundation, Inc.
+   Contributed by Greg McGary <greg@mcgary.org>
+
+   This file is part of the GNU C Library.  Its master source is NOT part of
+   the C library, however.  The master source lives in the GNU MP Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#if __BOUNDED_POINTERS__
+
+/* Byte offsets of BP components.  */
+# define oVALUE	0
+# define oLOW	4
+# define oHIGH	8
+
+/* Don't check bounds, just convert the BP register to its simple
+   pointer value.  */
+
+# define DISCARD_BOUNDS(rBP)			\
+	ld	rBP, oVALUE(rBP)
+
+/* Check low bound, with the side effect that the BP register is converted
+   its simple pointer value.  Move the high bound into a register for
+   later use.  */
+
+# define CHECK_BOUNDS_LOW(rBP, rLOW, rHIGH)	\
+	ld	rHIGH, oHIGH(rBP);		\
+	ld	rLOW, oLOW(rBP);		\
+	ld	rBP, oVALUE(rBP);		\
+	tdllt	rBP, rLOW
+
+/* Check the high bound, which is in a register, using the given
+   conditional trap instruction.  */
+
+# define CHECK_BOUNDS_HIGH(rVALUE, rHIGH, TWLcc) \
+	TWLcc	rVALUE, rHIGH
+
+/* Check the high bound, which is stored at the return-value's high
+   bound slot, using the given conditional trap instruction.  */
+
+# define CHECK_BOUNDS_HIGH_RTN(rVALUE, rHIGH, TWLcc)	\
+	ld	rHIGH, oHIGH(rRTN);			\
+	TWLcc	rVALUE, rHIGH
+
+/* Check both bounds, with the side effect that the BP register is
+   converted to its simple pointer value.  */
+
+# define CHECK_BOUNDS_BOTH(rBP, rLOW, rHIGH)	\
+	CHECK_BOUNDS_LOW(rBP, rLOW, rHIGH);	\
+	tdlge	rBP, rHIGH
+
+/* Check bounds on a memory region of given length, with the side
+   effect that the BP register is converted to its simple pointer
+   value.  */
+
+# define CHECK_BOUNDS_BOTH_WIDE(rBP, rLOW, rHIGH, rLENGTH)	\
+	CHECK_BOUNDS_LOW (rBP, rLOW, rHIGH);			\
+	sub	rHIGH, rHIGH, rLENGTH;				\
+	tdlgt	rBP, rHIGH
+
+# define CHECK_BOUNDS_BOTH_WIDE_LIT(rBP, rLOW, rHIGH, LENGTH)	\
+	CHECK_BOUNDS_LOW (rBP, rLOW, rHIGH);			\
+	subi	rHIGH, rHIGH, LENGTH;				\
+	tdlgt	rBP, rHIGH
+
+/* Store a pointer value register into the return-value's pointer
+   value slot.  */
+
+# define STORE_RETURN_VALUE(rVALUE)		\
+	std	rVALUE, oVALUE(rRTN)
+
+/* Store a low and high bounds into the return-value's pointer bounds
+   slots.  */
+
+# define STORE_RETURN_BOUNDS(rLOW, rHIGH)	\
+	std	rLOW, oLOW(rRTN);		\
+	std	rHIGH, oHIGH(rRTN)
+
+/* Stuff zero value/low/high into the BP addressed by rRTN.  */
+
+# define RETURN_NULL_BOUNDED_POINTER		\
+	li	r4, 0;				\
+	STORE_RETURN_VALUE (r4);		\
+	STORE_RETURN_BOUNDS (r4, r4)
+
+#else
+
+# define DISCARD_BOUNDS(rBP)
+# define CHECK_BOUNDS_LOW(rBP, rLOW, rHIGH)
+# define CHECK_BOUNDS_HIGH(rVALUE, rHIGH, TWLcc)
+# define CHECK_BOUNDS_HIGH_RTN(rVALUE, rHIGH, TWLcc)
+# define CHECK_BOUNDS_BOTH(rBP, rLOW, rHIGH)
+# define CHECK_BOUNDS_BOTH_WIDE(rBP, rLOW, rHIGH, rLENGTH)
+# define CHECK_BOUNDS_BOTH_WIDE_LIT(rBP, rLOW, rHIGH, LENGTH)
+# define STORE_RETURN_VALUE(rVALUE)
+# define STORE_RETURN_BOUNDS(rLOW, rHIGH)
+
+# define RETURN_NULL_BOUNDED_POINTER li rRTN, 0
+
+#endif
+
diff --git a/sysdeps/powerpc/powerpc64/bsd-_setjmp.S b/sysdeps/powerpc/powerpc64/bsd-_setjmp.S
new file mode 100644
index 0000000000..994f82f851
--- /dev/null
+++ b/sysdeps/powerpc/powerpc64/bsd-_setjmp.S
@@ -0,0 +1,21 @@
+/* BSD `_setjmp' entry point to `sigsetjmp (..., 0)'.  PowerPC64 version.
+   Copyright (C) 2002 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of