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Subject: [PATCH] AVR32 Architecture support

Add support for the AVR32 architecture in the core libc and build system.
This also adds AVR32-ELF definitions to elf.h

---

 Rules.mak                                      |    4 
 extra/Configs/Config.avr32                     |   38 +++++
 extra/Configs/Config.in                        |    7 +
 include/elf.h                                  |   51 +++++++
 libc/sysdeps/linux/avr32/Makefile              |   93 +++++++++++++
 libc/sysdeps/linux/avr32/__longjmp.S           |   17 ++
 libc/sysdeps/linux/avr32/_mmap.c               |   33 ++++
 libc/sysdeps/linux/avr32/bits/atomicity.h      |   86 ++++++++++++
 libc/sysdeps/linux/avr32/bits/byteswap.h       |   80 +++++++++++
 libc/sysdeps/linux/avr32/bits/endian.h         |    7 +
 libc/sysdeps/linux/avr32/bits/fcntl.h          |  167 +++++++++++++++++++++++++
 libc/sysdeps/linux/avr32/bits/kernel_stat.h    |   63 +++++++++
 libc/sysdeps/linux/avr32/bits/kernel_types.h   |   56 ++++++++
 libc/sysdeps/linux/avr32/bits/machine-gmon.h   |   69 ++++++++++
 libc/sysdeps/linux/avr32/bits/mman.h           |   95 ++++++++++++++
 libc/sysdeps/linux/avr32/bits/profil-counter.h |   26 +++
 libc/sysdeps/linux/avr32/bits/setjmp.h         |   21 +++
 libc/sysdeps/linux/avr32/bits/syscalls.h       |  143 +++++++++++++++++++++
 libc/sysdeps/linux/avr32/bits/wordsize.h       |    1 
 libc/sysdeps/linux/avr32/brk.c                 |   23 +++
 libc/sysdeps/linux/avr32/bsd-_setjmp.S         |   12 +
 libc/sysdeps/linux/avr32/bsd-setjmp.S          |   12 +
 libc/sysdeps/linux/avr32/clone.c               |   37 +++++
 libc/sysdeps/linux/avr32/crt1.S                |   93 +++++++++++++
 libc/sysdeps/linux/avr32/crti.S                |   17 ++
 libc/sysdeps/linux/avr32/crtn.S                |   14 ++
 libc/sysdeps/linux/avr32/mmap.c                |   31 ++++
 libc/sysdeps/linux/avr32/setjmp.S              |   43 ++++++
 libc/sysdeps/linux/avr32/sigaction.c           |   49 +++++++
 libc/sysdeps/linux/avr32/sigrestorer.S         |   11 +
 libc/sysdeps/linux/avr32/sys/elf.h             |   26 +++
 libc/sysdeps/linux/avr32/sys/io.h              |   48 +++++++
 libc/sysdeps/linux/avr32/sys/procfs.h          |  123 ++++++++++++++++++
 libc/sysdeps/linux/avr32/sys/ucontext.h        |   94 ++++++++++++++
 libc/sysdeps/linux/avr32/sys/user.h            |   46 ++++++
 libc/sysdeps/linux/avr32/syscall.S             |   81 ++++++++++++
 libc/sysdeps/linux/avr32/vfork.S               |   55 ++++++++
 37 files changed, 1872 insertions(+)

Index: uClibc-0.9.28/extra/Configs/Config.avr32
===================================================================
--- /dev/null	1970-01-01 00:00:00.000000000 +0000
+++ uClibc-0.9.28/extra/Configs/Config.avr32	2006-05-05 09:27:17.000000000 +0200
@@ -0,0 +1,38 @@
+#
+# For a description of the syntax of this configuration file,
+# see extra/config/Kconfig-language.txt
+#
+
+config HAVE_ELF
+	bool
+	default y
+
+config TARGET_ARCH
+	default "avr32"
+
+config ARCH_CFLAGS
+	string
+
+config ARCH_LDFLAGS
+	string
+
+config LIBGCC_CFLAGS
+	string
+
+config ARCH_SUPPORTS_BIG_ENDIAN
+	bool
+	default y
+
+config UCLIBC_COMPLETELY_PIC
+	select FORCE_SHAREABLE_TEXT_SEGMENTS
+	bool
+	default y
+
+choice
+	prompt "Target CPU Type"
+	default CONFIG_AP7000
+
+config CONFIG_AP7000
+	bool "AP7000"
+
+endchoice
Index: uClibc-0.9.28/extra/Configs/Config.in
===================================================================
--- uClibc-0.9.28.orig/extra/Configs/Config.in	2006-04-19 12:47:48.000000000 +0200
+++ uClibc-0.9.28/extra/Configs/Config.in	2006-04-19 12:48:33.000000000 +0200
@@ -16,6 +16,9 @@ config TARGET_alpha
 config TARGET_arm
 	bool "arm"
 
+config TARGET_avr32
+	bool "avr32"
+
 config TARGET_bfin
 	bool "bfin"
 
@@ -83,6 +86,10 @@ if TARGET_arm
 source "extra/Configs/Config.arm"
 endif
 
+if TARGET_avr32
+source "extra/Configs/Config.avr32"
+endif
+
 if TARGET_bfin
 source "extra/Configs/Config.bfin"
 endif
Index: uClibc-0.9.28/include/elf.h
===================================================================
--- uClibc-0.9.28.orig/include/elf.h	2006-04-19 12:47:48.000000000 +0200
+++ uClibc-0.9.28/include/elf.h	2006-05-05 09:28:38.000000000 +0200
@@ -261,6 +261,8 @@ typedef struct
 #define EM_NIOS32	0xfebb		/* Altera Nios 32 */
 #define EM_ALTERA_NIOS2  0x9ee5	/* Altera Nios II */
 
+#define EM_AVR32	0x18ad
+
 /* V850 backend magic number.  Written in the absense of an ABI.  */
 #define EM_CYGNUS_V850 0x9080
 
@@ -2687,6 +2689,55 @@ typedef Elf32_Addr Elf32_Conflict;
 /* Keep this the last entry.  */
 #define R_V850_NUM		25
 
+/* Atmel AVR32 relocations.  */
+#define R_AVR32_NONE		0
+#define R_AVR32_32		1
+#define R_AVR32_16		2
+#define R_AVR32_8		3
+#define R_AVR32_32_PCREL	4
+#define R_AVR32_16_PCREL	5
+#define R_AVR32_8_PCREL		6
+#define R_AVR32_DIFF32		7
+#define R_AVR32_DIFF16		8
+#define R_AVR32_DIFF8		9
+#define R_AVR32_GOT32		10
+#define R_AVR32_GOT16		11
+#define R_AVR32_GOT8		12
+#define R_AVR32_21S		13
+#define R_AVR32_16U		14
+#define R_AVR32_16S		15
+#define R_AVR32_8S		16
+#define R_AVR32_8S_EXT		17
+#define R_AVR32_22H_PCREL	18
+#define R_AVR32_18W_PCREL	19
+#define R_AVR32_16B_PCREL	20
+#define R_AVR32_16N_PCREL	21
+#define R_AVR32_14UW_PCREL	22
+#define R_AVR32_11H_PCREL	23
+#define R_AVR32_10UW_PCREL	24
+#define R_AVR32_9H_PCREL	25
+#define R_AVR32_9UW_PCREL	26
+#define R_AVR32_HI16		27
+#define R_AVR32_LO16		28
+#define R_AVR32_GOTPC		29
+#define R_AVR32_GOTCALL		30
+#define R_AVR32_LDA_GOT		31
+#define R_AVR32_GOT21S		32
+#define R_AVR32_GOT18SW		33
+#define R_AVR32_GOT16S		34
+#define R_AVR32_GOT7UW		35
+#define R_AVR32_32_CPENT	36
+#define R_AVR32_CPCALL		37
+#define R_AVR32_16_CP		38
+#define R_AVR32_9W_CP		39
+#define R_AVR32_RELATIVE	40
+#define R_AVR32_GLOB_DAT	41
+#define R_AVR32_JMP_SLOT	42
+#define R_AVR32_ALIGN		43
+#define R_AVR32_NUM		44
+
+/* AVR32 dynamic tags */
+#define DT_AVR32_GOTSZ		0x70000001 /* Total size of GOT in bytes */
 
 #define R_H8_NONE       0
 #define R_H8_DIR32      1
Index: uClibc-0.9.28/libc/sysdeps/linux/avr32/Makefile
===================================================================
--- /dev/null	1970-01-01 00:00:00.000000000 +0000
+++ uClibc-0.9.28/libc/sysdeps/linux/avr32/Makefile	2006-04-19 12:48:33.000000000 +0200
@@ -0,0 +1,93 @@
+# Makefile for uClibc
+#
+# Copyright (C) 2000-2003 Erik Andersen <andersen@uclibc.org>
+#
+# This program 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.
+#
+# This program 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 this program; if not, write to the Free Software Foundation, Inc.,
+# 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+TOPDIR=../../../../
+include $(TOPDIR)Rules.mak
+ASFLAGS=$(CFLAGS)
+
+CRT_SRC	= crt1.S
+CRT_OBJ = crt1.o
+SCRT_OBJ = $(patsubst %,S%, $(CRT_OBJ))
+CTOR_TARGETS=$(TOPDIR)lib/crti.o $(TOPDIR)lib/crtn.o
+
+SSRC=__longjmp.S setjmp.S bsd-setjmp.S vfork.S \
+	bsd-_setjmp.S sigrestorer.S syscall.S
+SOBJS=$(patsubst %.S,%.o, $(SSRC))
+
+CSRC=clone.c brk.c sigaction.c mmap.c
+COBJS=$(patsubst %.c,%.o, $(CSRC))
+
+OBJS=$(SOBJS) $(COBJS)
+
+OBJ_LIST=../../../obj.sysdeps.$(TARGET_ARCH)
+
+all: $(OBJ_LIST)
+
+$(OBJ_LIST): $(OBJS) $(CRT_OBJ) $(SCRT_OBJ) $(CTOR_TARGETS)
+	echo $(patsubst %, sysdeps/linux/$(TARGET_ARCH)/%, $(OBJS)) > $(OBJ_LIST)
+	$(INSTALL) -d $(TOPDIR)lib/
+	cp $(CRT_OBJ) $(SCRT_OBJ) $(TOPDIR)lib/
+
+$(CRT_OBJ): $(CRT_SRC)
+	$(CC) $(ASFLAGS) -DL_$* $< -c -o $*.o
+	$(STRIPTOOL) -x -R .note -R .comment $*.o
+
+$(SCRT_OBJ): $(CRT_SRC)
+	$(CC) $(ASFLAGS) $(PIEFLAG) -DL_$* $< -c -o $*.o
+	$(STRIPTOOL) -x -R .note -R .comment $*.o
+
+$(SOBJS): %.o : %.S
+	$(CC) $(ASFLAGS) -c $< -o $@
+	$(STRIPTOOL) -x -R .note -R .comment $*.o
+
+$(COBJS): %.o : %.c
+	$(CC) $(CFLAGS) -c $< -o $@
+	$(STRIPTOOL) -x -R .note -R .comment $*.o
+
+ifeq ($(strip $(UCLIBC_CTOR_DTOR)),y)
+crti.o: crti.S
+	$(CC) $(ASFLAGS) -c crti.S -o crti.o
+
+$(TOPDIR)lib/crti.o: crti.o
+	$(INSTALL) -d $(TOPDIR)lib/
+	cp crti.o $(TOPDIR)lib/
+
+crtn.o: crtn.S
+	$(CC) $(ASFLAGS) -c crtn.S -o crtn.o
+
+$(TOPDIR)lib/crtn.o: crtn.o
+	$(INSTALL) -d $(TOPDIR)lib/
+	cp crtn.o $(TOPDIR)lib/
+else
+$(TOPDIR)lib/crti.o:
+	$(INSTALL) -d $(TOPDIR)lib/
+	$(AR) $(ARFLAGS) $(TOPDIR)lib/crti.o
+$(TOPDIR)lib/crtn.o:
+	$(INSTALL) -d $(TOPDIR)lib/
+	$(AR) $(ARFLAGS) $(TOPDIR)lib/crtn.o
+endif
+
+
+headers:
+#	$(LN) -fs ../libc/sysdeps/linux/avr32/fpu_control.h $(TOPDIR)/include/
+
+clean:
+	$(RM) *.[oa] *~ core
+	$(RM) bits/sysnum.h
+	$(RM) gmon-start.S
+
Index: uClibc-0.9.28/libc/sysdeps/linux/avr32/__longjmp.S
===================================================================
--- /dev/null	1970-01-01 00:00:00.000000000 +0000
+++ uClibc-0.9.28/libc/sysdeps/linux/avr32/__longjmp.S	2006-04-19 12:48:33.000000000 +0200
@@ -0,0 +1,17 @@
+/* longjmp for AVR32
+ *
+ * Copyright (C) 2004 Atmel Norway AS
+ */
+
+	.global	__longjmp
+	.type	__longjmp,"function"
+	.align	1
+__longjmp:
+	ldm	r12++, r0,r1,r2,r3,r4,r5,r6,r7,r8,sp,lr
+	mov	r12, r11	/* get the return value right */
+	mustr	r8		/* restore status register (lower half) */
+	cp	r12, 0		/* can't return zero */
+	frs
+	moveq	r12, 1
+	mov	pc,lr
+	.size	__longjmp, . - __longjmp
Index: uClibc-0.9.28/libc/sysdeps/linux/avr32/_mmap.c
===================================================================
--- /dev/null	1970-01-01 00:00:00.000000000 +0000
+++ uClibc-0.9.28/libc/sysdeps/linux/avr32/_mmap.c	2006-04-19 12:48:33.000000000 +0200
@@ -0,0 +1,33 @@
+/* Copyright (C) 2005 Atmel Norway
+
+   This program 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.
+
+   This program 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 this program; if not, write to the Free Software Foundation, Inc.,
+   59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+   Derived in part from the Linux-8086 C library, the GNU C Library, and several
+   other sundry sources.  Files within this library are copyright by their
+   respective copyright holders.
+ */
+
+#include <errno.h>
+#include <sys/mman.h>
+#include <sys/syscall.h>
+
+#define __NR_mmap2 __NR_mmap
+
+static _syscall6(__ptr_t, mmap2, __ptr_t, addr, size_t, len, int, prot, int, flags, int, fd, __off_t, pgoff);
+
+__ptr_t mmap(__ptr_t addr, size_t len, int prot, int flags, int fd, __off_t offset)
+{
+	return mmap2(addr, len, prot, flags, fd, offset >> 12);
+}
Index: uClibc-0.9.28/libc/sysdeps/linux/avr32/bits/atomicity.h
===================================================================
--- /dev/null	1970-01-01 00:00:00.000000000 +0000
+++ uClibc-0.9.28/libc/sysdeps/linux/avr32/bits/atomicity.h	2006-04-19 12:48:33.000000000 +0200
@@ -0,0 +1,86 @@
+/* Low-level functions for atomic operations.  AVR32 version.
+   Copyright (C) 1997, 1998, 1999, 2000 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.  */
+
+#ifndef _ATOMICITY_H
+#define _ATOMICITY_H 1
+
+#include <inttypes.h>
+
+static inline int
+__attribute__((unused))
+exchange_and_add (volatile uint32_t *mem, int val)
+{
+	int tmp, result;
+
+	__asm__ __volatile__(
+		"/* Inline exchange and add */\n"
+		"1:	ssrf	5\n"
+		"	ld.w	%0, %3\n"
+		"	add	%1, %0, %4\n"
+		"	stcond	%2, %1\n"
+		"	brne	1b"
+		: "=&r"(result), "=&r"(tmp), "=m"(*mem)
+		: "m"(*mem), "r"(val)
+		: "cc", "memory");
+
+	return result;
+}
+
+static inline void
+__attribute__((unused))
+atomic_add (volatile uin32_t *mem, int val)
+{
+	int result;
+
+	__asm__ __volatile__(
+		"/* Inline atomic add */\n"
+		"1:	ssrf	5\n"
+		"	ld.w	%0, %2\n"
+		"	add	%0, %3\n"
+		"	stcond	%2, %0\n"
+		"	brne	1b"
+		: "=&r"(result), "=m"(*mem)
+		: "m"(*mem), "r"(val)
+		: "cc", "memory");
+}
+
+static inline int
+__attribute__((unused))
+compare_and_swap(volatile long int *p, long int oldval, long int newval)
+{
+	long int result, tmp;
+
+	__asm__ __volatile__(
+		"/* Inline compare and swap */\n"
+		"1:	ssrf	5\n"
+		"	ld.w	%1, %3\n"
+		"	cp.w	%1, %5\n"
+		"	sreq	%0\n"
+		"	brne	2f\n"
+		"	stcond	%2, %4\n"
+		"	brne	1b\n"
+		"2:"
+		: "=&r"(result), "=&r"(tmp), "=m"(*p)
+		: "m"(*p), "r"(newval), "r"(oldval)
+		: "cc", "memory");
+
+	return result;
+}
+
+#endif /* atomicity.h */
Index: uClibc-0.9.28/libc/sysdeps/linux/avr32/bits/byteswap.h
===================================================================
--- /dev/null	1970-01-01 00:00:00.000000000 +0000
+++ uClibc-0.9.28/libc/sysdeps/linux/avr32/bits/byteswap.h	2006-04-19 12:48:33.000000000 +0200
@@ -0,0 +1,80 @@
+/* Macros to swap the order of bytes in integer values.
+   Copyright (C) 2005 Atmel Norway.
+
+   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.  */
+
+#if !defined _BYTESWAP_H && !defined _NETINET_IN_H
+# error "Never use <bits/byteswap.h> directly; include <byteswap.h> instead."
+#endif
+
+#ifndef _BITS_BYTESWAP_H
+#define _BITS_BYTESWAP_H 1
+
+/* Swap bytes in 16 bit value.  */
+#if defined __GNUC__
+# define __bswap_16(x) (__extension__ __builtin_bswap_16(x))
+#else
+/* This is better than nothing.  */
+static __inline unsigned short int
+__bswap_16 (unsigned short int __bsx)
+{
+	return ((((__bsx) >> 8) & 0xff) | (((__bsx) & 0xff) << 8));
+}
+#endif
+
+/* Swap bytes in 32 bit value.  */
+#if defined __GNUC__
+# define __bswap_32(x) (__extension__ __builtin_bswap_32(x))
+#else
+static __inline unsigned int
+__bswap_32 (unsigned int __bsx)
+{
+  return ((((__bsx) & 0xff000000) >> 24) | (((__bsx) & 0x00ff0000) >>  8) |
+	  (((__bsx) & 0x0000ff00) <<  8) | (((__bsx) & 0x000000ff) << 24));
+}
+#endif
+
+#if defined __GNUC__
+/* Swap bytes in 64 bit value.  */
+# define __bswap_constant_64(x)				\
+	((((x) & 0xff00000000000000ull) >> 56)		\
+	 | (((x) & 0x00ff000000000000ull) >> 40)	\
+	 | (((x) & 0x0000ff0000000000ull) >> 24)	\
+	 | (((x) & 0x000000ff00000000ull) >> 8)		\
+	 | (((x) & 0x00000000ff000000ull) << 8)		\
+	 | (((x) & 0x0000000000ff0000ull) << 24)	\
+	 | (((x) & 0x000000000000ff00ull) << 40)	\
+	 | (((x) & 0x00000000000000ffull) << 56))
+
+# define __bswap_64(x)							\
+	(__extension__							\
+	 ({								\
+		 union {						\
+			 __extension__ unsigned long long int __ll;	\
+			 unsigned int __l[2];				\
+		 } __w, __r;						\
+		 if (__builtin_constant_p(x))				\
+			 __r.__ll = __bswap_constant_64(x);		\
+		 else {							\
+			 __w.__ll = (x);				\
+			 __r.__l[0] = __bswap_32(__w.__l[1]);		\
+			 __r.__l[1] = __bswap_32(__w.__l[0]);		\
+		 }							\
+		 __r.__ll;						\
+	 }))
+#endif
+
+#endif /* _BITS_BYTESWAP_H */
Index: uClibc-0.9.28/libc/sysdeps/linux/avr32/bits/endian.h
===================================================================
--- /dev/null	1970-01-01 00:00:00.000000000 +0000
+++ uClibc-0.9.28/libc/sysdeps/linux/avr32/bits/endian.h	2006-04-19 12:48:33.000000000 +0200
@@ -0,0 +1,7 @@
+/* AVR32 is big-endian */
+
+#ifndef _ENDIAN_H
+# error "Never use <bits/endian.h> directly; include <endian.h> instead."
+#endif
+
+#define __BYTE_ORDER __BIG_ENDIAN
Index: uClibc-0.9.28/libc/sysdeps/linux/avr32/bits/fcntl.h
===================================================================
--- /dev/null	1970-01-01 00:00:00.000000000 +0000
+++ uClibc-0.9.28/libc/sysdeps/linux/avr32/bits/fcntl.h	2006-04-19 12:48:33.000000000 +0200
@@ -0,0 +1,167 @@
+/*
+ * Copyright (C) 2004 Atmel Norway AS
+ *
+ * This file is part of the Linux kernel
+ */
+#ifndef _FCNTL_H
+# error "Never use <bits/fcntl.h> directly; include <fcntl.h> instead."
+#endif
+
+#include <sys/types.h>
+
+/* open/fcntl - O_SYNC is only implemented on blocks devices and on files
+   located on an ext2 file system */
+#define O_ACCMODE	  0003
+#define O_RDONLY	    00
+#define O_WRONLY	    01
+#define O_RDWR		    02
+#define O_CREAT		  0100	/* not fcntl */
+#define O_EXCL		  0200	/* not fcntl */
+#define O_NOCTTY	  0400	/* not fcntl */
+#define O_TRUNC		 01000	/* not fcntl */
+#define O_APPEND	 02000
+#define O_NONBLOCK	 04000
+#define O_NDELAY	O_NONBLOCK
+#define O_SYNC		010000
+#define O_ASYNC		020000
+
+#ifdef __USE_GNU
+# define O_DIRECTORY	040000	/* must be a directory */
+# define O_NOFOLLOW	0100000	/* don't follow links */
+# define O_DIRECT	0200000	/* direct disk access */
+#endif
+
+#ifdef __USE_LARGEFILE64
+# define O_LARGEFILE	0400000
+#endif
+
+/* For now Linux has synchronisity options for data and read operations.
+   We define the symbols here but let them do the same as O_SYNC since
+   this is a superset.	*/
+#if defined __USE_POSIX199309 || defined __USE_UNIX98
+# define O_DSYNC	O_SYNC	/* Synchronize data.  */
+# define O_RSYNC	O_SYNC	/* Synchronize read operations.	 */
+#endif
+
+#define F_DUPFD		0	/* dup */
+#define F_GETFD		1	/* get close_on_exec */
+#define F_SETFD		2	/* set/clear close_on_exec */
+#define F_GETFL		3	/* get file->f_flags */
+#define F_SETFL		4	/* set file->f_flags */
+
+#ifndef __USE_FILE_OFFSET64
+# define F_GETLK	5
+# define F_SETLK	6
+# define F_SETLKW	7
+#else
+# define F_GETLK	F_GETLK64
+# define F_SETLK	F_SETLK64
+# define F_SETLKW	F_SETLKW64
+#endif
+#define F_GETLK64	12	/*  using 'struct flock64' */
+#define F_SETLK64	13
+#define F_SETLKW64	14
+
+#if defined __USE_BSD || defined __USE_XOPEN2K
+# define F_SETOWN	8	/*  for sockets. */
+# define F_GETOWN	9	/*  for sockets. */
+#endif
+
+#ifdef __USE_GNU
+# define F_SETSIG	10	/*  for sockets. */
+# define F_GETSIG	11	/*  for sockets. */
+#endif
+
+#ifdef __USE_GNU
+# define F_SETLEASE	1024	/* Set a lease.	 */
+# define F_GETLEASE	1025	/* Enquire what lease is active.  */
+# define F_NOTIFY	1026	/* Request notfications on a directory.	 */
+#endif
+
+/* for F_[GET|SET]FL */
+#define FD_CLOEXEC	1	/* actually anything with low bit set goes */
+
+/* for posix fcntl() and lockf() */
+#define F_RDLCK		0
+#define F_WRLCK		1
+#define F_UNLCK		2
+
+/* for old implementation of bsd flock () */
+#define F_EXLCK		4	/* or 3 */
+#define F_SHLCK		8	/* or 4 */
+
+/* for leases */
+#define F_INPROGRESS	16
+
+#ifdef __USE_BSD
+/* operations for bsd flock(), also used by the kernel implementation */
+# define LOCK_SH	1	/* shared lock */
+# define LOCK_EX	2	/* exclusive lock */
+# define LOCK_NB	4	/* or'd with one of the above to prevent
+				   blocking */
+# define LOCK_UN	8	/* remove lock */
+#endif
+
+#ifdef __USE_GNU
+# define LOCK_MAND	32	/* This is a mandatory flock */
+# define LOCK_READ	64	/* ... Which allows concurrent
+				       read operations */
+# define LOCK_WRITE	128	/* ... Which allows concurrent
+				       write operations */
+# define LOCK_RW	192	/* ... Which allows concurrent
+				       read & write ops */
+#endif
+
+#ifdef __USE_GNU
+/* Types of directory notifications that may be requested with F_NOTIFY.  */
+# define DN_ACCESS	0x00000001	/* File accessed.  */
+# define DN_MODIFY	0x00000002	/* File modified.  */
+# define DN_CREATE	0x00000004	/* File created.  */
+# define DN_DELETE	0x00000008	/* File removed.  */
+# define DN_RENAME	0x00000010	/* File renamed.  */
+# define DN_ATTRIB	0x00000020	/* File changed attibutes.  */
+# define DN_MULTISHOT	0x80000000	/* Don't remove notifier.  */
+#endif
+
+struct flock {
+	short l_type;
+	short l_whence;
+#ifndef __USE_FILE_OFFSET64
+	__off_t l_start;
+	__off_t l_len;
+#else
+	__off64_t l_start;
+	__off64_t l_len;
+#endif
+	__pid_t l_pid;
+};
+
+#ifdef __USE_LARGEFILE64
+struct flock64 {
+	short  l_type;
+	short  l_whence;
+	__off64_t l_start;
+	__off64_t l_len;
+	__pid_t  l_pid;
+};
+#endif
+
+/* Define some more compatibility macros to be backward compatible with
+ *    BSD systems which did not managed to hide these kernel macros.  */
+#ifdef  __USE_BSD
+# define FAPPEND        O_APPEND
+# define FFSYNC         O_FSYNC
+# define FASYNC         O_ASYNC
+# define FNONBLOCK      O_NONBLOCK
+# define FNDELAY        O_NDELAY
+#endif /* Use BSD.  */
+
+/* Advise to `posix_fadvise'.  */
+#ifdef __USE_XOPEN2K
+# define POSIX_FADV_NORMAL      0 /* No further special treatment.  */
+# define POSIX_FADV_RANDOM      1 /* Expect random page references.  */
+# define POSIX_FADV_SEQUENTIAL  2 /* Expect sequential page references.  */
+# define POSIX_FADV_WILLNEED    3 /* Will need these pages.  */
+# define POSIX_FADV_DONTNEED    4 /* Don't need these pages.  */
+# define POSIX_FADV_NOREUSE     5 /* Data will be accessed once.  */
+#endif
Index: uClibc-0.9.28/libc/sysdeps/linux/avr32/bits/kernel_stat.h
===================================================================
--- /dev/null	1970-01-01 00:00:00.000000000 +0000
+++ uClibc-0.9.28/libc/sysdeps/linux/avr32/bits/kernel_stat.h	2006-05-05 09:28:32.000000000 +0200
@@ -0,0 +1,63 @@
+#ifndef _BITS_STAT_STRUCT_H
+#define _BITS_STAT_STRUCT_H
+
+/*
+ * This file provides struct stat, taken from kernel 2.6.4
+ * (include/asm-avr32/stat.h revision 1.1).
+ */
+
+struct kernel_stat {
+        unsigned long st_dev;
+        unsigned long st_ino;
+        unsigned short st_mode;
+        unsigned short st_nlink;
+        unsigned short st_uid;
+        unsigned short st_gid;
+        unsigned long  st_rdev;
+        unsigned long  st_size;
+        unsigned long  st_blksize;
+        unsigned long  st_blocks;
+        unsigned long  st_atime;
+        unsigned long  st_atime_nsec;
+        unsigned long  st_mtime;
+        unsigned long  st_mtime_nsec;
+        unsigned long  st_ctime;
+        unsigned long  st_ctime_nsec;
+        unsigned long  __unused4;
+        unsigned long  __unused5;
+};
+
+#define STAT_HAVE_NSEC 1
+
+struct kernel_stat64 {
+	unsigned long long st_dev;
+
+	unsigned long long st_ino;
+	unsigned int	st_mode;
+	unsigned int	st_nlink;
+
+	unsigned long	st_uid;
+	unsigned long	st_gid;
+
+	unsigned long long st_rdev;
+
+	long long	st_size;
+	unsigned long	__pad1;
+	unsigned long	st_blksize;
+
+	unsigned long long st_blocks;
+
+	unsigned long	st_atime;
+	unsigned long	st_atime_nsec;
+
+	unsigned long	st_mtime;
+	unsigned long	st_mtime_nsec;
+
+	unsigned long	st_ctime;
+	unsigned long	st_ctime_nsec;
+
+	unsigned long	__unused1;
+	unsigned long	__unused2;
+};
+
+#endif /* _BITS_STAT_STRUCT_H */
Index: uClibc-0.9.28/libc/sysdeps/linux/avr32/bits/kernel_types.h
===================================================================
--- /dev/null	1970-01-01 00:00:00.000000000 +0000
+++ uClibc-0.9.28/libc/sysdeps/linux/avr32/bits/kernel_types.h	2006-04-19 12:48:33.000000000 +0200
@@ -0,0 +1,56 @@
+/* Note that we use the exact same include guard #define names
+ * as asm/posix_types.h.  This will avoid gratuitous conflicts
+ * with the posix_types.h kernel header, and will ensure that
+ * our private content, and not the kernel header, will win.
+ *  -Erik
+ */
+#ifndef __ASM_AVR32_POSIX_TYPES_H
+#define __ASM_AVR32_POSIX_TYPES_H
+
+/*
+ * This file is generally used by user-level software, so you need to
+ * be a little careful about namespace pollution etc.  Also, we cannot
+ * assume GCC is being used.
+ */
+
+typedef unsigned long	__kernel_dev_t;
+typedef unsigned long   __kernel_ino_t;
+typedef unsigned short  __kernel_mode_t;
+typedef unsigned short  __kernel_nlink_t;
+typedef long            __kernel_off_t;
+typedef int             __kernel_pid_t;
+typedef unsigned short  __kernel_ipc_pid_t;
+typedef unsigned int	__kernel_uid_t;
+typedef unsigned int	__kernel_gid_t;
+typedef unsigned long	__kernel_size_t;
+typedef int             __kernel_ssize_t;
+typedef int             __kernel_ptrdiff_t;
+typedef long            __kernel_time_t;
+typedef long            __kernel_suseconds_t;
+typedef long            __kernel_clock_t;
+typedef int             __kernel_timer_t;
+typedef int             __kernel_clockid_t;
+typedef int             __kernel_daddr_t;
+typedef char *          __kernel_caddr_t;
+typedef unsigned short  __kernel_uid16_t;
+typedef unsigned short  __kernel_gid16_t;
+typedef unsigned int    __kernel_uid32_t;
+typedef unsigned int    __kernel_gid32_t;
+
+typedef unsigned short  __kernel_old_uid_t;
+typedef unsigned short  __kernel_old_gid_t;
+typedef unsigned short  __kernel_old_dev_t;
+
+#ifdef __GNUC__
+typedef long long       __kernel_loff_t;
+#endif
+
+typedef struct {
+#if defined(__USE_ALL)
+    int     val[2];
+#else
+    int     __val[2];
+#endif
+} __kernel_fsid_t;
+
+#endif /* __ASM_AVR32_POSIX_TYPES_H */
Index: uClibc-0.9.28/libc/sysdeps/linux/avr32/bits/machine-gmon.h
===================================================================
--- /dev/null	1970-01-01 00:00:00.000000000 +0000
+++ uClibc-0.9.28/libc/sysdeps/linux/avr32/bits/machine-gmon.h	2006-04-19 12:48:33.000000000 +0200
@@ -0,0 +1,69 @@
+/* Machine-dependent definitions for profiling support.  AVR32 version.
+   Copyright (C) 1996, 1997, 1998 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.  */
+
+#define mcount_internal __mcount_internal
+
+#define _MCOUNT_DECL(frompc, selfpc) \
+static void __attribute((used)) mcount_internal(unsigned long frompc, unsigned long selfpc)
+
+/*
+ * This mcount implementation expects to get called after the prologue
+ * has been run. It also expects that r7 contains a valid frame
+ * pointer.
+ *
+ * When profiling, the compiler should generate something like this at
+ * each function entry:
+ *
+ *	pushm	r0-r7,lr	// lr mandatory, others optional
+ *	mov	r7, sp
+ *	// rest of prologue goes here
+ *	mcall	pc[.LC1 - .]
+ *      // rest of function goes here
+ * .LC1:
+ *	.long	mcount
+ *
+ * or for PIC:
+ *
+ *	pushm	r0-r7,lr
+ *	mov	r7, sp
+ *	// rest of prologue goes here
+ *	lddpc	r0, .LC1
+ * .L1: rsub	r0, pc
+ *	mcall	r0[mcount@GOT]
+ *	// rest of function goes here
+ * .LC1:
+ *	.long	.L1 - _GLOBAL_OFFSET_TABLE_
+ *
+ * This way, when mcount() is called, r7 points to the calling
+ * function's return address. It is guaranteed that calling mcount
+ * will clobber no registers except LR, which is unavoidable.
+ */
+#define MCOUNT asm(				\
+	"	.align	4\n"			\
+	"	.global	_mcount\n"		\
+	"	.type	_mcount,@function\n"	\
+	"_mcount:\n"				\
+	"	pushm	r8-r12,lr\n"		\
+	"	mov	r11, lr\n"		\
+	"	ld.w	r12, r7[0]\n"		\
+	"	rcall	__mcount_internal\n"	\
+	"	popm	r8-r12,pc\n"		\
+	"	.size	_mcount, . - _mcount\n"	\
+	"	.weak	mcount\n"		\
+	"	mcount = _mcount");
Index: uClibc-0.9.28/libc/sysdeps/linux/avr32/bits/mman.h
===================================================================
--- /dev/null	1970-01-01 00:00:00.000000000 +0000
+++ uClibc-0.9.28/libc/sysdeps/linux/avr32/bits/mman.h	2006-04-19 12:48:33.000000000 +0200
@@ -0,0 +1,95 @@
+/* Definitions for POSIX memory map interface.  Linux/AVR32 version.
+   Copyright (C) 1997, 2000 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.  */
+
+#ifndef _SYS_MMAN_H
+# error "Never include this file directly.  Use <sys/mman.h> instead"
+#endif
+
+/* The following definitions basically come from the kernel headers.
+   But the kernel header is not namespace clean.  */
+
+
+/* Protections are chosen from these bits, OR'd together.  The
+   implementation does not necessarily support PROT_EXEC or PROT_WRITE
+   without PROT_READ.  The only guarantees are that no writing will be
+   allowed without PROT_WRITE and no access will be allowed for PROT_NONE. */
+
+#define PROT_READ	0x1		/* Page can be read.  */
+#define PROT_WRITE	0x2		/* Page can be written.  */
+#define PROT_EXEC	0x4		/* Page can be executed.  */
+#define PROT_NONE	0x0		/* Page can not be accessed.  */
+
+/* Sharing types (must choose one and only one of these).  */
+#define MAP_SHARED	0x01		/* Share changes.  */
+#define MAP_PRIVATE	0x02		/* Changes are private.  */
+#ifdef __USE_MISC
+# define MAP_TYPE	0x0f		/* Mask for type of mapping.  */
+#endif
+
+/* Other flags.  */
+#define MAP_FIXED	0x10		/* Interpret addr exactly.  */
+#ifdef __USE_MISC
+# define MAP_FILE	0
+# define MAP_ANONYMOUS	0x20		/* Don't use a file.  */
+# define MAP_ANON	MAP_ANONYMOUS
+#endif
+
+/* These are Linux-specific.  */
+#ifdef __USE_MISC
+# define MAP_GROWSDOWN	0x0100		/* Stack-like segment.  */
+# define MAP_DENYWRITE	0x0800		/* ETXTBSY */
+# define MAP_EXECUTABLE	0x1000		/* Mark it as an executable.  */
+# define MAP_LOCKED	0x2000		/* Lock the mapping.  */
+# define MAP_NORESERVE	0x4000		/* Don't check for reservations.  */
+# define MAP_POPULATE	0x8000		/* populate (prefault) pagetables */
+# define MAP_NONBLOCK	0x10000		/* do not block on IO */
+#endif
+
+/* Flags to `msync'.  */
+#define MS_ASYNC	1		/* Sync memory asynchronously.  */
+#define MS_SYNC		4		/* Synchronous memory sync.  */
+#define MS_INVALIDATE	2		/* Invalidate the caches.  */
+
+/* Flags for `mlockall'.  */
+#define MCL_CURRENT	1		/* Lock all currently mapped pages.  */
+#define MCL_FUTURE	2		/* Lock all additions to address
+					   space.  */
+
+/* Flags for `mremap'.  */
+#ifdef __USE_GNU
+# define MREMAP_MAYMOVE	1
+#endif
+
+/* Advise to `madvise'.  */
+#ifdef __USE_BSD
+# define MADV_NORMAL	 0	/* No further special treatment.  */
+# define MADV_RANDOM	 1	/* Expect random page references.  */
+# define MADV_SEQUENTIAL 2	/* Expect sequential page references.  */
+# define MADV_WILLNEED	 3	/* Will need these pages.  */
+# define MADV_DONTNEED	 4	/* Don't need these pages.  */
+#endif
+
+/* The POSIX people had to invent similar names for the same things.  */
+#ifdef __USE_XOPEN2K
+# define POSIX_MADV_NORMAL	0 /* No further special treatment.  */
+# define POSIX_MADV_RANDOM	1 /* Expect random page references.  */
+# define POSIX_MADV_SEQUENTIAL	2 /* Expect sequential page references.  */
+# define POSIX_MADV_WILLNEED	3 /* Will need these pages.  */
+# define POSIX_MADV_DONTNEED	4 /* Don't need these pages.  */
+#endif
Index: uClibc-0.9.28/libc/sysdeps/linux/avr32/bits/profil-counter.h
===================================================================
--- /dev/null	1970-01-01 00:00:00.000000000 +0000
+++ uClibc-0.9.28/libc/sysdeps/linux/avr32/bits/profil-counter.h	2006-04-19 12:48:33.000000000 +0200
@@ -0,0 +1,26 @@
+/* Low-level statistical profiling support function.  Linux/AVR32 version.
+   Copyright (C) 1996, 1997, 1998, 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 <signal.h>
+
+void
+profil_counter(int signo, siginfo_t *si, struct sigcontext *sc)
+{
+	profil_count((void *)sc->pc);
+}
Index: uClibc-0.9.28/libc/sysdeps/linux/avr32/bits/setjmp.h
===================================================================
--- /dev/null	1970-01-01 00:00:00.000000000 +0000
+++ uClibc-0.9.28/libc/sysdeps/linux/avr32/bits/setjmp.h	2006-04-19 12:48:33.000000000 +0200
@@ -0,0 +1,21 @@
+/*
+ * Copyright (C) 2004-2005 Atmel Norway
+ */
+#ifndef _SETJMP_H
+# error "Never include <bits/setjmp.h> directly; use <setjmp.h> instead."
+#endif
+
+#ifndef _ASM
+/*
+ * The jump buffer contains r0-r7, sr, sp and lr. Other registers are
+ * not saved.
+ */
+typedef int __jmp_buf[11];
+#endif
+
+#define __JMP_BUF_SP	4
+
+/* Test if longjmp to JMPBUF would unwind the frame containing a local
+   variable at ADDRESS.  */
+#define _JMPBUF_UNWINDS(jmpbuf, address) \
+  ((void *)(address) < (void *)(jmpbuf[__JMP_BUF_SP]))
Index: uClibc-0.9.28/libc/sysdeps/linux/avr32/bits/syscalls.h
===================================================================
--- /dev/null	1970-01-01 00:00:00.000000000 +0000
+++ uClibc-0.9.28/libc/sysdeps/linux/avr32/bits/syscalls.h	2006-04-19 12:48:33.000000000 +0200
@@ -0,0 +1,143 @@
+#ifndef _SYSCALL_H
+# error "Never use <bits/syscalls.h> directly; include <sys/syscall.h> instead."
+#endif
+
+/*
+ * This includes the `__NR_<name>' syscall numbers taken from the
+ * Linux kernel header files. It also defines the traditional
+ * `SYS_<name>' macros for older programs.
+ */
+#include <bits/sysnum.h>
+
+#ifndef __set_errno
+# define __set_errno(val) (*__errno_location()) = (val)
+#endif
+#ifndef SYS_ify
+# define SYS_ify(syscall_name) (__NR_##syscall_name)
+#endif
+
+#ifndef __ASSEMBLER__
+
+#undef _syscall0
+#define _syscall0(type,name)				\
+	type name(void)					\
+	{						\
+		return (type)(INLINE_SYSCALL(name, 0));	\
+	}
+
+#undef _syscall1
+#define _syscall1(type,name,type1,arg1)				\
+	type name(type1 arg1)					\
+	{							\
+		return (type)(INLINE_SYSCALL(name, 1, arg1));	\
+	}
+
+#undef _syscall2
+#define _syscall2(type,name,type1,arg1,type2,arg2)			\
+	type name(type1 arg1, type2 arg2)				\
+	{								\
+		return (type)(INLINE_SYSCALL(name, 2, arg1, arg2));	\
+	}
+
+#undef _syscall3
+#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3)		\
+	type name(type1 arg1, type2 arg2, type3 arg3)			\
+	{								\
+		return (type)(INLINE_SYSCALL(name, 3, arg1,		\
+					     arg2, arg3));		\
+	}
+
+#undef _syscall4
+#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,		\
+		  type4,arg4)						\
+	type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4)	\
+	{								\
+		return (type)(INLINE_SYSCALL(name, 4, arg1, arg2,	\
+					     arg3, arg4));		\
+	}
+
+#undef _syscall5
+#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,		\
+		  type4,arg4,type5,arg5)				\
+	type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4,	\
+		  type5 arg5)						\
+	{								\
+		return (type)(INLINE_SYSCALL(name, 5, arg1, arg2,	\
+					     arg3, arg4, arg5));	\
+	}
+
+#undef _syscall6
+#define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,		\
+		  type4,arg4,type5,arg5,type6,arg6)			\
+	type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4,	\
+		  type5 arg5, type6 arg6)				\
+	{								\
+		return (type)(INLINE_SYSCALL(name, 6, arg1, arg2, arg3,	\
+					     arg4, arg5, arg6));	\
+	}
+
+#undef unlikely
+#define unlikely(x) __builtin_expect((x), 0)
+
+#undef INLINE_SYSCALL
+#define INLINE_SYSCALL(name, nr, args...)				\
+	({								\
+		unsigned _sys_result = INTERNAL_SYSCALL(name, , nr, args); \
+		if (unlikely(INTERNAL_SYSCALL_ERROR_P(_sys_result, ))) { \
+			__set_errno(INTERNAL_SYSCALL_ERRNO(_sys_result, )); \
+			_sys_result = (unsigned int) -1;		\
+		}							\
+		(int) _sys_result;					\
+	})
+
+#undef INTERNAL_SYSCALL_DECL
+#define INTERNAL_SYSCALL_DECL(err) do { } while(0)
+
+#undef INTERNAL_SYSCALL
+#define INTERNAL_SYSCALL(name, err, nr, args...)			\
+	({								\
+		register int _a1 asm ("r12");				\
+		register int _scno asm("r8") = SYS_ify(name);		\
+		LOAD_ARGS_##nr (args);					\
+		asm volatile ("scall	/* syscall " #name " */"	\
+			      : "=r" (_a1)				\
+			      : "r"(_scno) ASM_ARGS_##nr		\
+			      : "lr", "cc", "memory");			\
+		_a1;							\
+	})
+
+#undef INTERNAL_SYSCALL_ERROR_P
+#define INTERNAL_SYSCALL_ERROR_P(val, err)		\
+	((unsigned int)(val) >= 0xfffff001U)
+
+#undef INTERNAL_SYSCALL_ERRNO
+#define INTERNAL_SYSCALL_ERRNO(val, errr) (-(val))
+
+#define LOAD_ARGS_0() do { } while(0)
+#define ASM_ARGS_0
+#define LOAD_ARGS_1(a1)					\
+	_a1 = (int) (a1);				\
+	LOAD_ARGS_0()
+#define ASM_ARGS_1	ASM_ARGS_0, "r"(_a1)
+#define LOAD_ARGS_2(a1, a2)				\
+	register int _a2 asm("r11") = (int)(a2);	\
+	LOAD_ARGS_1(a1)
+#define ASM_ARGS_2	ASM_ARGS_1, "r"(_a2)
+#define LOAD_ARGS_3(a1, a2, a3)				\
+	register int _a3 asm("r10") = (int)(a3);	\
+	LOAD_ARGS_2(a1, a2)
+#define ASM_ARGS_3	ASM_ARGS_2, "r"(_a3)
+#define LOAD_ARGS_4(a1, a2, a3, a4)			\
+	register int _a4 asm("r9") = (int)(a4);		\
+	LOAD_ARGS_3(a1, a2, a3)
+#define ASM_ARGS_4	ASM_ARGS_3, "r"(_a4)
+#define LOAD_ARGS_5(a1, a2, a3, a4, a5)			\
+	register int _a5 asm("r5") = (int)(a5);		\
+	LOAD_ARGS_4(a1, a2, a3, a4)
+#define ASM_ARGS_5	ASM_ARGS_4, "r"(_a5)
+#define LOAD_ARGS_6(a1, a2, a3, a4, a5, a6)		\
+	register int _a6 asm("r3") = (int)(a6);		\
+	LOAD_ARGS_5(a1, a2, a3, a4, a5)
+#define ASM_ARGS_6	ASM_ARGS_5, "r"(_a6)
+
+#endif /* __ASSEMBLER__ */
Index: uClibc-0.9.28/libc/sysdeps/linux/avr32/bits/wordsize.h
===================================================================
--- /dev/null	1970-01-01 00:00:00.000000000 +0000
+++ uClibc-0.9.28/libc/sysdeps/linux/avr32/bits/wordsize.h	2006-04-19 12:48:33.000000000 +0200
@@ -0,0 +1 @@
+#define __WORDSIZE	32
Index: uClibc-0.9.28/libc/sysdeps/linux/avr32/brk.c
===================================================================
--- /dev/null	1970-01-01 00:00:00.000000000 +0000
+++ uClibc-0.9.28/libc/sysdeps/linux/avr32/brk.c	2006-04-19 12:48:33.000000000 +0200
@@ -0,0 +1,23 @@
+/*
+ * Copyright (C) 2004 Atmel Norway AS
+ */
+#include <errno.h>
+#include <sys/syscall.h>
+
+void *__curbrk = 0;
+
+int brk (void *addr)
+{
+	void *newbrk;
+
+	newbrk = INLINE_SYSCALL(brk, 1, addr);
+
+	__curbrk = newbrk;
+
+	if (newbrk < addr) {
+		__set_errno (ENOMEM);
+		return -1;
+	}
+
+	return 0;
+}
Index: uClibc-0.9.28/libc/sysdeps/linux/avr32/bsd-_setjmp.S
===================================================================
--- /dev/null	1970-01-01 00:00:00.000000000 +0000
+++ uClibc-0.9.28/libc/sysdeps/linux/avr32/bsd-_setjmp.S	2006-05-05 09:26:42.000000000 +0200
@@ -0,0 +1,12 @@
+/*
+ * Copyright (C) 2004 Atmel Norway AS
+ */
+
+	/* This just does a tail-call to __sigsetjmp(env, 0) */
+	.global	_setjmp
+	.type	_setjmp,"function"
+	.align	1
+_setjmp:
+	mov	r11, 0
+	bral	__sigsetjmp_internal
+	.size	_setjmp, . - _setjmp
Index: uClibc-0.9.28/libc/sysdeps/linux/avr32/bsd-setjmp.S
===================================================================
--- /dev/null	1970-01-01 00:00:00.000000000 +0000
+++ uClibc-0.9.28/libc/sysdeps/linux/avr32/bsd-setjmp.S	2006-05-05 09:26:42.000000000 +0200
@@ -0,0 +1,12 @@
+/*
+ * Copyright (C) 2004 Atmel Norway AS
+ */
+
+	/* This just does a tail-call to __sigsetjmp(env, 1) */
+	.global	setjmp
+	.type	setjmp,"function"
+	.align	1
+setjmp:
+	mov	r11, 1
+	bral	__sigsetjmp_internal
+	.size	setjmp, . - setjmp
Index: uClibc-0.9.28/libc/sysdeps/linux/avr32/clone.c
===================================================================
--- /dev/null	1970-01-01 00:00:00.000000000 +0000
+++ uClibc-0.9.28/libc/sysdeps/linux/avr32/clone.c	2006-04-19 12:48:33.000000000 +0200
@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2004 Atmel Norway AS
+ */
+#include <errno.h>
+#include <sys/syscall.h>
+#include <unistd.h>
+
+/*
+ * I don't know if we can be absolutely certain that the fn and arg
+ * parameters are preserved when returning as the child. If the
+ * compiler stores them in registers (r0-r7), they should be.
+ */
+int clone(int (*fn)(void *arg), void *child_stack, int flags, void *arg)
+{
+	register int (*_fn)(void *arg) = fn;
+	register void *_arg = arg;
+	int err;
+
+	/* Sanity check the arguments */
+	err = -EINVAL;
+	if (!fn)
+		goto syscall_error;
+	if (!child_stack)
+		goto syscall_error;
+
+	err = INLINE_SYSCALL(clone, 2, flags, child_stack);
+	if (err < 0)
+		goto syscall_error;
+	else if (err != 0)
+		return err;
+
+	_exit(_fn(_arg));
+
+syscall_error:
+	__set_errno (-err);
+	return -1;
+}
Index: uClibc-0.9.28/libc/sysdeps/linux/avr32/crt1.S
===================================================================
--- /dev/null	1970-01-01 00:00:00.000000000 +0000
+++ uClibc-0.9.28/libc/sysdeps/linux/avr32/crt1.S	2006-05-05 09:28:23.000000000 +0200
@@ -0,0 +1,93 @@
+/*
+ * Copyright (C) 2004 Atmel Norway AS
+ *
+ * When we enter _start, the stack looks like this:
+ *	argc		argument counter
+ *	argv[0]		pointer to program name
+ *	argv[1..argc-1]	pointers to program args
+ *	NULL
+ *	env[0..N]	pointers to environment variables
+ *	NULL
+ *
+ * r12 contains a function pointer to be registered with `atexit'.
+ * This is how the dynamic linker arranges to have DT_FINI functions
+ * called for shared libraries that have been loaded before this
+ * code runs.
+ *
+ * We're going to call the following function:
+ * __uClibc_main(int (*main)(int, char **, char **), int argc,
+ *		 char **argv, void (*app_init)(void), void (*app_fini)(void),
+ *		 void (*rtld_fini)(void), void *stack_end)
+ *
+ * So we need to set up things as follows:
+ *	r12 = address of main
+ *	r11 = argc
+ *	r10 = &argv[0]
+ *	r9  = address of _init
+ *	r8  = address of _fini
+ *	sp[0] = whatever we got passed in r12
+ */
+
+#include <features.h>
+
+	.text
+	.global _start
+	.type	_start, @function
+_start:
+	/* Clear the frame pointer and link register since this is the outermost frame.  */
+	mov	r7, 0
+	mov	lr, 0
+
+	ld.w	r11, sp++		/* argc		*/
+	mov	r10, sp			/* &argv[0]	*/
+
+	st.w	--sp, r10		/* stack_end */
+	st.w	--sp, r12		/* rtld_fini */
+
+#ifdef __PIC__
+	lddpc	r6, .L_GOT
+.L_RGOT:
+	rsub	r6, pc
+	lda.w	r9, _init
+	lda.w	r8, _fini
+	lda.w	r12, main
+
+	/* Ok, now run uClibc's main() -- should not return */
+	call	__uClibc_main
+
+	.align	2
+.L_GOT:
+	.long	.L_RGOT - _GLOBAL_OFFSET_TABLE_
+#else
+	lddpc	r9, __init_addr		/* app_init */
+	lddpc	r8, __fini_addr		/* app_fini */
+	lddpc	r12, __main_addr	/* main */
+
+	/* Ok, now run uClibc's main() -- should not return */
+	lddpc	pc, ___uClibc_main_addr
+
+	.align	2
+__init_addr:
+	.long	_init
+__fini_addr:
+	.long	_fini
+__main_addr:
+	.long	main
+___uClibc_main_addr:
+	.long	__uClibc_main
+#endif
+	.size	_start, . - _start
+
+	/*
+	 * The LSB says we need this.
+	 */
+	.section ".note.ABI-tag", "a"
+	.align	4
+	.long	2f - 1f		/* namesz */
+	.long	4f - 3f		/* descsz */
+	.long	1		/* type   */
+1:	.asciz	"GNU"		/* name */
+2:	.align	4
+3:	.long	0		/* Linux executable */
+	.long	2,6,0		/* Earliest compatible kernel */
+4:	.align	4
Index: uClibc-0.9.28/libc/sysdeps/linux/avr32/crti.S
===================================================================
--- /dev/null	1970-01-01 00:00:00.000000000 +0000
+++ uClibc-0.9.28/libc/sysdeps/linux/avr32/crti.S	2006-04-19 12:48:33.000000000 +0200
@@ -0,0 +1,17 @@
+
+	.section .init
+	.align	2
+	.global	_init
+	.type	_init, @function
+_init:
+	/* Use a four-byte instruction to avoid NOPs */
+	stm	--sp, r0-r7,lr
+	.align	2
+
+	.section .fini
+	.align	2
+	.global	_fini
+	.type	_fini, @function
+_fini:
+	stm	--sp, r0-r7,lr
+	.align	2
Index: uClibc-0.9.28/libc/sysdeps/linux/avr32/crtn.S
===================================================================
--- /dev/null	1970-01-01 00:00:00.000000000 +0000
+++ uClibc-0.9.28/libc/sysdeps/linux/avr32/crtn.S	2006-04-19 12:48:33.000000000 +0200
@@ -0,0 +1,14 @@
+
+	.section .init
+	.align	2
+	.global	_init
+	.type	_init, @function
+	ldm	sp++, r0-r7,pc
+	.size	_init, . - _init
+
+	.section .fini
+	.align	2
+	.global _fini
+	.type	_fini, @function
+	ldm	sp++, r0-r7,pc
+	.size	_fini, . - _fini
Index: uClibc-0.9.28/libc/sysdeps/linux/avr32/mmap.c
===================================================================
--- /dev/null	1970-01-01 00:00:00.000000000 +0000
+++ uClibc-0.9.28/libc/sysdeps/linux/avr32/mmap.c	2006-04-19 12:48:33.000000000 +0200
@@ -0,0 +1,31 @@
+/* Copyright (C) 2005 Atmel Norway
+
+   This program 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.
+
+   This program 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 this program; if not, write to the Free Software Foundation, Inc.,
+   59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+   Derived in part from the Linux-8086 C library, the GNU C Library, and several
+   other sundry sources.  Files within this library are copyright by their
+   respective copyright holders.
+ */
+
+#include <errno.h>
+#include <sys/mman.h>
+#include <sys/syscall.h>
+
+static _syscall6(__ptr_t, mmap2, __ptr_t, addr, size_t, len, int, prot, int, flags, int, fd, __off_t, pgoff);
+
+__ptr_t mmap(__ptr_t addr, size_t len, int prot, int flags, int fd, __off_t offset)
+{
+	return mmap2(addr, len, prot, flags, fd, offset >> 12);
+}
Index: uClibc-0.9.28/libc/sysdeps/linux/avr32/setjmp.S
===================================================================
--- /dev/null	1970-01-01 00:00:00.000000000 +0000
+++ uClibc-0.9.28/libc/sysdeps/linux/avr32/setjmp.S	2006-05-05 09:28:28.000000000 +0200
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2004 Atmel Norway AS
+ */
+#define _SETJMP_H
+#define _ASM
+#include <bits/setjmp.h>
+
+	.text
+
+	.global	__sigsetjmp
+	.type	__sigsetjmp,"function"
+
+	/* Create a global, hidden symbol for use by setjmp() and _setjmp().
+	   If it's not hidden, the linker will complain about a relative
+	   jump to a dynamic symbol when building a shared library.
+
+	   Also, if a user overrides the __sigsetjmp function, he might not
+	   expect the setjmp() and _setjmp() function to effectively be
+	   overridden as well.  */
+	.global	__sigsetjmp_internal
+	.hidden	__sigsetjmp_internal
+	.type	__sigsetjmp_internal,"function"
+	.align	1
+__sigsetjmp:
+__sigsetjmp_internal:
+	mustr	r8
+	stm	r12, r0,r1,r2,r3,r4,r5,r6,r7,r8,sp,lr
+
+	/* Make a tail call to __sigjmp_save; it takes the same args.  */
+#ifdef __PIC__
+	mov	r9, r6
+	lddpc	r6, .LG
+.L1:	rsub	r6, pc
+	ld.w	r8, r6[__sigjmp_save@got]
+	mov	r6, r9
+	mov	pc, r8
+
+	.align	2
+.LG:	.long	.L1 - _GLOBAL_OFFSET_TABLE_
+#else
+	rjmp	__sigjmp_save
+#endif
+	.size	__sigsetjmp, . - __sigsetjmp
Index: uClibc-0.9.28/libc/sysdeps/linux/avr32/sigaction.c
===================================================================
--- /dev/null	1970-01-01 00:00:00.000000000 +0000
+++ uClibc-0.9.28/libc/sysdeps/linux/avr32/sigaction.c	2006-04-19 12:48:33.000000000 +0200
@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 2004 Atmel Norway AS
+ */
+#include <errno.h>
+#include <signal.h>
+#include <string.h>
+#include <sys/syscall.h>
+#include <bits/kernel_sigaction.h>
+
+#define SA_RESTORER	0x04000000
+extern void __default_rt_sa_restorer(void);
+
+/*
+ * If act is not NULL, change the action for sig to *act.
+ * If oact is not NULL, put the old action for sig in *oact.
+ */
+int __libc_sigaction(int signum, const struct sigaction *act,
+		     struct sigaction *oldact)
+{
+	struct kernel_sigaction kact, koact;
+	int result;
+
+	if (act) {
+		kact.k_sa_handler = act->sa_handler;
+		memcpy(&kact.sa_mask, &act->sa_mask, sizeof (kact.sa_mask));
+		kact.sa_flags = act->sa_flags;
+		if (kact.sa_flags & (SA_RESTORER | SA_ONSTACK))
+			kact.sa_restorer = act->sa_restorer;
+		else
+			kact.sa_restorer = __default_rt_sa_restorer;
+		kact.sa_flags |= SA_RESTORER;
+	}
+
+	result = __syscall_rt_sigaction(signum, act ? __ptrvalue(&kact) : NULL,
+					oldact ? __ptrvalue(&koact) : NULL,
+					_NSIG / 8);
+
+	if (oldact && result >= 0) {
+		oldact->sa_handler = koact.k_sa_handler;
+		memcpy(&oldact->sa_mask, &koact.sa_mask,
+		       sizeof(oldact->sa_mask));
+		oldact->sa_flags = koact.sa_flags;
+		oldact->sa_restorer = koact.sa_restorer;
+	}
+
+	return result;
+}
+
+weak_alias(__libc_sigaction, sigaction)
Index: uClibc-0.9.28/libc/sysdeps/linux/avr32/sigrestorer.S
===================================================================
--- /dev/null	1970-01-01 00:00:00.000000000 +0000
+++ uClibc-0.9.28/libc/sysdeps/linux/avr32/sigrestorer.S	2006-04-19 12:48:33.000000000 +0200
@@ -0,0 +1,11 @@
+/*
+ * Copyright (C) 2004 Atmel Norway AS
+ */
+#include <sys/syscall.h>
+
+	.global	__default_rt_sa_restorer
+	.type	__default_rt_sa_restorer,"function"
+	.align	1
+__default_rt_sa_restorer:
+	mov	r8, __NR_rt_sigreturn
+	scall
Index: uClibc-0.9.28/libc/sysdeps/linux/avr32/sys/elf.h
===================================================================
--- /dev/null	1970-01-01 00:00:00.000000000 +0000
+++ uClibc-0.9.28/libc/sysdeps/linux/avr32/sys/elf.h	2006-04-19 12:48:33.000000000 +0200
@@ -0,0 +1,26 @@
+/* Copyright (C) 1996, 1997, 1999, 2001 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.  */
+
+#ifndef _SYS_ELF_H
+#define _SYS_ELF_H	1
+
+#warning "This header is obsolete; use <sys/procfs.h> instead."
+
+#include <sys/procfs.h>
+
+#endif	/* sys/elf.h */
Index: uClibc-0.9.28/libc/sysdeps/linux/avr32/sys/io.h
===================================================================
--- /dev/null	1970-01-01 00:00:00.000000000 +0000
+++ uClibc-0.9.28/libc/sysdeps/linux/avr32/sys/io.h	2006-04-19 12:48:33.000000000 +0200
@@ -0,0 +1,48 @@
+/* Copyright (C) 1996, 1998, 1999 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.  */
+
+#ifndef	_SYS_IO_H
+
+#define	_SYS_IO_H	1
+#include <features.h>
+
+__BEGIN_DECLS
+
+/* If TURN_ON is TRUE, request for permission to do direct i/o on the
+   port numbers in the range [FROM,FROM+NUM-1].  Otherwise, turn I/O
+   permission off for that range.  This call requires root privileges.  */
+extern int ioperm (unsigned long int __from, unsigned long int __num,
+		   int __turn_on) __THROW;
+
+/* Set the I/O privilege level to LEVEL.  If LEVEL is nonzero,
+   permission to access any I/O port is granted.  This call requires
+   root privileges. */
+extern int iopl (int __level) __THROW;
+
+/* The functions that actually perform reads and writes.  */
+extern unsigned char inb (unsigned long int port) __THROW;
+extern unsigned short int inw (unsigned long int port) __THROW;
+extern unsigned long int inl (unsigned long int port) __THROW;
+
+extern void outb (unsigned char value, unsigned long int port) __THROW;
+extern void outw (unsigned short value, unsigned long int port) __THROW;
+extern void outl (unsigned long value, unsigned long int port) __THROW;
+
+__END_DECLS
+
+#endif /* _SYS_IO_H */
Index: uClibc-0.9.28/libc/sysdeps/linux/avr32/sys/procfs.h
===================================================================
--- /dev/null	1970-01-01 00:00:00.000000000 +0000
+++ uClibc-0.9.28/libc/sysdeps/linux/avr32/sys/procfs.h	2006-04-19 12:48:33.000000000 +0200
@@ -0,0 +1,123 @@
+/* Copyright (C) 1996, 1997, 1999, 2001 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.  */
+
+#ifndef _SYS_PROCFS_H
+#define _SYS_PROCFS_H	1
+
+/* This is somewhat modelled after the file of the same name on SVR4
+   systems.  It provides a definition of the core file format for ELF
+   used on Linux.  It doesn't have anything to do with the /proc file
+   system, even though Linux has one.
+
+   Anyway, the whole purpose of this file is for GDB and GDB only.
+   Don't read too much into it.  Don't use it for anything other than
+   GDB unless you know what you are doing.  */
+
+#include <features.h>
+#include <sys/time.h>
+#include <sys/types.h>
+#include <sys/user.h>
+
+__BEGIN_DECLS
+
+/* Type for a general-purpose register.  */
+typedef unsigned long elf_greg_t;
+
+/* And the whole bunch of them.  We could have used `struct
+   user_regs' directly in the typedef, but tradition says that
+   the register set is an array, which does have some peculiar
+   semantics, so leave it that way.  */
+#define ELF_NGREG (sizeof (struct user_regs) / sizeof(elf_greg_t))
+typedef elf_greg_t elf_gregset_t[ELF_NGREG];
+
+/* Register set for the floating-point registers.  */
+typedef struct user_fpregs elf_fpregset_t;
+
+/* Signal info.  */
+struct elf_siginfo
+  {
+    int si_signo;			/* Signal number.  */
+    int si_code;			/* Extra code.  */
+    int si_errno;			/* Errno.  */
+  };
+
+/* Definitions to generate Intel SVR4-like core files.  These mostly
+   have the same names as the SVR4 types with "elf_" tacked on the
+   front to prevent clashes with Linux definitions, and the typedef
+   forms have been avoided.  This is mostly like the SVR4 structure,
+   but more Linuxy, with things that Linux does not support and which
+   GDB doesn't really use excluded.  */
+
+struct elf_prstatus
+  {
+    struct elf_siginfo pr_info;		/* Info associated with signal.  */
+    short int pr_cursig;		/* Current signal.  */
+    unsigned long int pr_sigpend;	/* Set of pending signals.  */
+    unsigned long int pr_sighold;	/* Set of held signals.  */
+    __pid_t pr_pid;
+    __pid_t pr_ppid;
+    __pid_t pr_pgrp;
+    __pid_t pr_sid;
+    struct timeval pr_utime;		/* User time.  */
+    struct timeval pr_stime;		/* System time.  */
+    struct timeval pr_cutime;		/* Cumulative user time.  */
+    struct timeval pr_cstime;		/* Cumulative system time.  */
+    elf_gregset_t pr_reg;		/* GP registers.  */
+    int pr_fpvalid;			/* True if math copro being used.  */
+  };
+
+
+#define ELF_PRARGSZ     (80)    /* Number of chars for args.  */
+
+struct elf_prpsinfo
+  {
+    char pr_state;			/* Numeric process state.  */
+    char pr_sname;			/* Char for pr_state.  */
+    char pr_zomb;			/* Zombie.  */
+    char pr_nice;			/* Nice val.  */
+    unsigned long int pr_flag;		/* Flags.  */
+    unsigned short int pr_uid;
+    unsigned short int pr_gid;
+    int pr_pid, pr_ppid, pr_pgrp, pr_sid;
+    /* Lots missing */
+    char pr_fname[16];			/* Filename of executable.  */
+    char pr_psargs[ELF_PRARGSZ];	/* Initial part of arg list.  */
+  };
+
+/* The rest of this file provides the types for emulation of the
+   Solaris <proc_service.h> interfaces that should be implemented by
+   users of libthread_db.  */
+
+/* Addresses.  */
+typedef void *psaddr_t;
+
+/* Register sets.  Linux has different names.  */
+typedef elf_gregset_t prgregset_t;
+typedef elf_fpregset_t prfpregset_t;
+
+/* We don't have any differences between processes and threads,
+   therefore have only one PID type.  */
+typedef __pid_t lwpid_t;
+
+/* Process status and info.  In the end we do provide typedefs for them.  */
+typedef struct elf_prstatus prstatus_t;
+typedef struct elf_prpsinfo prpsinfo_t;
+
+__END_DECLS
+
+#endif	/* sys/procfs.h */
Index: uClibc-0.9.28/libc/sysdeps/linux/avr32/sys/ucontext.h
===================================================================
--- /dev/null	1970-01-01 00:00:00.000000000 +0000
+++ uClibc-0.9.28/libc/sysdeps/linux/avr32/sys/ucontext.h	2006-04-19 12:48:33.000000000 +0200
@@ -0,0 +1,94 @@
+/* Copyright (C) 1998, 1999, 2001 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.  */
+
+/* Linux/AVR32 ABI compliant context switching support.  */
+
+#ifndef _SYS_UCONTEXT_H
+#define _SYS_UCONTEXT_H	1
+
+#include <features.h>
+#include <signal.h>
+#include <sys/procfs.h>
+#include <bits/sigcontext.h>
+
+typedef int greg_t;
+
+/* Number of general registers.  */
+#define NGREG	16
+
+/* Container for all general registers.  */
+typedef elf_gregset_t gregset_t;
+
+/* Number of each register is the `gregset_t' array.  */
+enum
+{
+  R0 = 0,
+#define R0	R0
+  R1 = 1,
+#define R1	R1
+  R2 = 2,
+#define R2	R2
+  R3 = 3,
+#define R3	R3
+  R4 = 4,
+#define R4	R4
+  R5 = 5,
+#define R5	R5
+  R6 = 6,
+#define R6	R6
+  R7 = 7,
+#define R7	R7
+  R8 = 8,
+#define R8	R8
+  R9 = 9,
+#define R9	R9
+  R10 = 10,
+#define R10	R10
+  R11 = 11,
+#define R11	R11
+  R12 = 12,
+#define R12	R12
+  R13 = 13,
+#define R13	R13
+  R14 = 14,
+#define R14	R14
+  R15 = 15
+#define R15	R15
+};
+
+/* Structure to describe FPU registers.  */
+typedef elf_fpregset_t	fpregset_t;
+
+/* Context to describe whole processor state.  */
+typedef struct
+  {
+    gregset_t gregs;
+    fpregset_t fpregs;
+  } mcontext_t;
+
+/* Userlevel context.  */
+typedef struct ucontext
+{
+    unsigned long     uc_flags;
+    struct ucontext  *uc_link;
+    stack_t           uc_stack;
+    struct sigcontext uc_mcontext;
+    sigset_t          uc_sigmask;   /* mask last for extensibility */
+} ucontext_t;
+
+#endif /* sys/ucontext.h */
Index: uClibc-0.9.28/libc/sysdeps/linux/avr32/sys/user.h
===================================================================
--- /dev/null	1970-01-01 00:00:00.000000000 +0000
+++ uClibc-0.9.28/libc/sysdeps/linux/avr32/sys/user.h	2006-04-19 12:48:33.000000000 +0200
@@ -0,0 +1,46 @@
+#ifndef _SYS_USER_H
+#define _SYS_USER_H
+
+struct user_fpregs
+{
+
+};
+
+struct user_regs
+{
+	unsigned long sr;
+	unsigned long pc;
+	unsigned long lr;
+	unsigned long sp;
+	unsigned long r12;
+	unsigned long r11;
+	unsigned long r10;
+	unsigned long r9;
+	unsigned long r8;
+	unsigned long r7;
+	unsigned long r6;
+	unsigned long r5;
+	unsigned long r4;
+	unsigned long r3;
+	unsigned long r2;
+	unsigned long r1;
+	unsigned long r0;
+	unsigned long r12_orig;
+};
+
+struct user
+{
+	struct user_regs	regs;		/* general registers */
+	size_t			u_tsize;	/* text size (pages) */
+	size_t			u_dsize;	/* data size (pages) */
+	size_t			u_ssize;	/* stack size (pages) */
+	unsigned long		start_code;	/* text starting address */
+	unsigned long		start_data;	/* data starting address */
+	unsigned long		start_stack;	/* stack starting address */
+	long int		signal;		/* signal causing core dump */
+	struct user_regs *	u_ar0;		/* help gdb find registers */
+	unsigned long		magic;		/* identifies a core file */
+	char			u_comm[32];	/* user command name */
+};
+
+#endif /* _SYS_USER_H */
Index: uClibc-0.9.28/libc/sysdeps/linux/avr32/syscall.S
===================================================================
--- /dev/null	1970-01-01 00:00:00.000000000 +0000
+++ uClibc-0.9.28/libc/sysdeps/linux/avr32/syscall.S	2006-04-19 12:48:33.000000000 +0200
@@ -0,0 +1,81 @@
+/*
+ * syscall for AVR32/uClibc
+ *
+ * Copyright (C) 2004 Atmel Norway
+ *
+ * This program 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.
+ *
+ * This program 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 this program; if not, write to the Free Software Foundation,
+ * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+#include <features.h>
+
+	.text
+
+	/*
+	 * long int syscall(long int sysno, ...)
+	 */
+	.global	syscall
+	.type	syscall, @function
+	.align	2
+syscall:
+	stm	--sp, r3,r5,lr
+	sub	lr, sp, -12
+	mov	r8, r12
+	ldm	lr, r3,r5,r9-r12
+	scall
+	cp.w	r12, -4095
+	brlo	.Ldone
+
+#ifdef __PIC__
+	lddpc	r5, .Lgot
+.Lgotcalc:
+	rsub	r5, pc
+# ifdef __UCLIBC_HAS_THREADS__
+	mov	r3, r12
+	mcall	r5[__errno_location@got]
+	st.w	r12[0], r3
+# else
+	ld.w	r3, r5[errno@got]
+	st.w	r3[0], r12
+# endif
+#else
+# ifdef __UCLIBC_HAS_THREADS__
+	mov	r3, r12
+	mcall	.Lerrno_location
+	st.w	r12[0], r3
+# else
+	lddpc	r3, .Lerrno
+	st.w	r3[0], r12
+# endif
+#endif
+	mov	r12, -1
+
+.Ldone:
+	ldm	sp++, r3,r5,pc
+
+	.align	2
+#ifdef __PIC__
+.Lgot:
+	.long	.Lgotcalc - _GLOBAL_OFFSET_TABLE_
+#else
+# ifdef __UCLIBC_HAS_THREADS__
+.Lerrno_location:
+	.long	__errno_location
+# else
+.Lerrno:
+	.long	errno
+# endif
+#endif
+
+
+	.size	syscall, . - syscall
Index: uClibc-0.9.28/libc/sysdeps/linux/avr32/vfork.S
===================================================================
--- /dev/null	1970-01-01 00:00:00.000000000 +0000
+++ uClibc-0.9.28/libc/sysdeps/linux/avr32/vfork.S	2006-04-19 12:48:33.000000000 +0200
@@ -0,0 +1,55 @@
+	/*
+	 * vfork for uClibc
+	 *
+	 * Copyright (C) 2005 Atmel Norway
+	 */
+
+	/*
+	 * Clone the process without copying the address space.  The
+	 * calling process is suspended until the child either exits
+	 * or calls execve.
+	 *
+	 * This all means that we cannot rely on the stack to store
+	 * away registers, since they will be overwritten by the child
+	 * as soon as it makes another function call (e.g. execve()).
+	 * Fortunately, the Linux kernel preserves LR across system calls.
+	 */
+#include <features.h>
+#include <sys/syscall.h>
+
+	.global	__vfork
+	.type	__vfork,@function
+	.align	1
+__vfork:
+	mov	r8, __NR_vfork
+	scall
+	cp.w	r12, -4096
+	retls	r12
+
+	/* vfork failed, so we may use the stack freely */
+	pushm	r4-r7,lr
+#ifdef __PIC__
+	lddpc	r6, .L_GOT
+	rsub	r4, r12, 0
+.L_RGOT:
+	rsub	r6, pc
+	mcall	r6[__errno_location@got]
+#else
+	rsub	r4, r12, 0
+	mcall	.L__errno_location
+#endif
+	st.w	r12[0], r4
+	popm	r4-r7,pc,r12=-1
+
+	.align	2
+#ifdef __PIC__
+.L_GOT:
+	.long	.L_RGOT - _GLOBAL_OFFSET_TABLE_
+#else
+.L__errno_location:
+	.long	__errno_location
+#endif
+	.size	__vfork, . - __vfork
+
+	.weak	vfork
+	vfork	= __vfork
Index: uClibc-0.9.28/Rules.mak
===================================================================
--- uClibc-0.9.28.orig/Rules.mak	2006-05-05 09:26:01.000000000 +0200
+++ uClibc-0.9.28/Rules.mak	2006-05-05 09:27:17.000000000 +0200
@@ -231,6 +231,10 @@ ifeq ($(strip $(TARGET_ARCH)),frv)
 	UCLIBC_LDSO=ld.so.1
 endif
 
+ifeq ($(strip $(TARGET_ARCH)),avr32)
+	CPU_CFLAGS-$(CONFIG_AP7000)	+= -mcpu=ap7000
+endif
+
 # Keep the check_gcc from being needlessly executed
 ifndef PIEFLAG
 ifneq ($(UCLIBC_BUILD_PIE),y)