uclibc: massively improve avr32 support, courtesy Stelios Koroneos

26 files changed, 12913 insertions, 30 deletions

diff --git a/packages/uclibc/uclibc-0.9.28/avr32/avr32-arch-2.patch b/packages/uclibc/uclibc-0.9.28/avr32/avr32-arch-2.patch
new file mode 100644
index 0000000000..0e8c2a1c02
--- /dev/null
+++ b/packages/uclibc/uclibc-0.9.28/avr32/avr32-arch-2.patch
@@ -0,0 +1,2135 @@
+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