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-rw-r--r--toolchain/uClibc/uClibc-0.9.29-arch.patch.avr323546
1 files changed, 3546 insertions, 0 deletions
diff --git a/toolchain/uClibc/uClibc-0.9.29-arch.patch.avr32 b/toolchain/uClibc/uClibc-0.9.29-arch.patch.avr32
new file mode 100644
index 0000000000..d275ac2302
--- /dev/null
+++ b/toolchain/uClibc/uClibc-0.9.29-arch.patch.avr32
@@ -0,0 +1,3546 @@
+diff --git a/Rules.mak b/Rules.mak
+index d054bbb..55381cf 100644
+--- a/Rules.mak
++++ b/Rules.mak
+@@ -313,6 +313,12 @@ ifeq ($(TARGET_ARCH),frv)
+ UCLIBC_LDSO=ld.so.1
+ endif
+
++ifeq ($(strip $(TARGET_ARCH)),avr32)
++ CPU_CFLAGS-$(CONFIG_AVR32_AP7) += -march=ap
++ CPU_CFLAGS-$(CONFIG_LINKRELAX) += -mrelax
++ CPU_LDFLAGS-$(CONFIG_LINKRELAX) += --relax
++endif
++
+ # Keep the check_gcc from being needlessly executed
+ ifndef PIEFLAG
+ ifneq ($(UCLIBC_BUILD_PIE),y)
+diff --git a/extra/Configs/Config.avr32 b/extra/Configs/Config.avr32
+new file mode 100644
+index 0000000..8d70e6e
+--- /dev/null
++++ b/extra/Configs/Config.avr32
+@@ -0,0 +1,31 @@
++#
++# For a description of the syntax of this configuration file,
++# see extra/config/Kconfig-language.txt
++#
++
++config TARGET_ARCH
++ string
++ default "avr32"
++
++config FORCE_OPTIONS_FOR_ARCH
++ bool
++ default y
++ select ARCH_BIG_ENDIAN
++ select FORCE_SHAREABLE_TEXT_SEGMENTS
++
++config ARCH_CFLAGS
++ string
++
++choice
++ prompt "Target CPU Type"
++ default CONFIG_AVR32_AP7
++
++config CONFIG_AVR32_AP7
++ bool "AVR32 AP7"
++ select ARCH_HAS_MMU
++
++endchoice
++
++config LINKRELAX
++ bool "Enable linker optimizations"
++ default y
+diff --git a/extra/Configs/Config.in b/extra/Configs/Config.in
+index 8eab394..10c9f7b 100644
+--- a/extra/Configs/Config.in
++++ b/extra/Configs/Config.in
+@@ -16,6 +16,9 @@ config TARGET_alpha
+ config TARGET_arm
+ bool "arm"
+
++config TARGET_avr32
++ bool "avr32"
++
+ config TARGET_bfin
+ bool "bfin"
+
+@@ -92,6 +95,10 @@ 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
+diff --git a/extra/Configs/defconfigs/avr32 b/extra/Configs/defconfigs/avr32
+new file mode 100644
+index 0000000..0b890a2
+--- /dev/null
++++ b/extra/Configs/defconfigs/avr32
+@@ -0,0 +1 @@
++TARGET_avr32=y
+diff --git a/include/elf.h b/include/elf.h
+index 19805d7..ab90160 100644
+--- a/include/elf.h
++++ b/include/elf.h
+@@ -354,6 +354,8 @@ typedef struct
+ /* NIOS magic number - no EABI available. */
+ #define EM_NIOS32 0xFEBB
+
++#define EM_AVR32 0x18ad
++
+ /* V850 backend magic number. Written in the absense of an ABI. */
+ #define EM_CYGNUS_V850 0x9080
+
+@@ -2828,6 +2830,55 @@ 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 */
+
+ /* Renesas H8/300 Relocations */
+ #define R_H8_NONE 0
+diff --git a/ldso/include/dl-string.h b/ldso/include/dl-string.h
+index 32c5bf8..eb43bd9 100644
+--- a/ldso/include/dl-string.h
++++ b/ldso/include/dl-string.h
+@@ -285,7 +285,8 @@ static __always_inline char * _dl_simple_ltoahex(char * local, unsigned long i)
+ /* On some arches constant strings are referenced through the GOT.
+ * This requires that load_addr must already be defined... */
+ #if defined(mc68000) || defined(__arm__) || defined(__thumb__) || \
+- defined(__mips__) || defined(__sh__) || defined(__powerpc__)
++ defined(__mips__) || defined(__sh__) || defined(__powerpc__) || \
++ defined(__avr32__)
+ # define CONSTANT_STRING_GOT_FIXUP(X) \
+ if ((X) < (const char *) load_addr) (X) += load_addr
+ # define NO_EARLY_SEND_STDERR
+diff --git a/ldso/include/dl-syscall.h b/ldso/include/dl-syscall.h
+index b42416a..4404219 100644
+--- a/ldso/include/dl-syscall.h
++++ b/ldso/include/dl-syscall.h
+@@ -55,69 +55,69 @@
+ dynamic linking at all, so we cannot return any error codes.
+ We just punt if there is an error. */
+ #define __NR__dl_exit __NR_exit
+-static inline _syscall1(void, _dl_exit, int, status);
++static __always_inline _syscall1(void, _dl_exit, int, status);
+
+ #define __NR__dl_close __NR_close
+-static inline _syscall1(int, _dl_close, int, fd);
++static __always_inline _syscall1(int, _dl_close, int, fd);
+
+ #define __NR__dl_open __NR_open
+-static inline _syscall3(int, _dl_open, const char *, fn, int, flags,
++static __always_inline _syscall3(int, _dl_open, const char *, fn, int, flags,
+ __kernel_mode_t, mode);
+
+ #define __NR__dl_write __NR_write
+-static inline _syscall3(unsigned long, _dl_write, int, fd,
++static __always_inline _syscall3(unsigned long, _dl_write, int, fd,
+ const void *, buf, unsigned long, count);
+
+ #define __NR__dl_read __NR_read
+-static inline _syscall3(unsigned long, _dl_read, int, fd,
++static __always_inline _syscall3(unsigned long, _dl_read, int, fd,
+ const void *, buf, unsigned long, count);
+
+ #define __NR__dl_mprotect __NR_mprotect
+-static inline _syscall3(int, _dl_mprotect, const void *, addr,
++static __always_inline _syscall3(int, _dl_mprotect, const void *, addr,
+ unsigned long, len, int, prot);
+
+ #define __NR__dl_stat __NR_stat
+-static inline _syscall2(int, _dl_stat, const char *, file_name,
++static __always_inline _syscall2(int, _dl_stat, const char *, file_name,
+ struct stat *, buf);
+
+ #define __NR__dl_fstat __NR_fstat
+-static inline _syscall2(int, _dl_fstat, int, fd, struct stat *, buf);
++static __always_inline _syscall2(int, _dl_fstat, int, fd, struct stat *, buf);
+
+ #define __NR__dl_munmap __NR_munmap
+-static inline _syscall2(int, _dl_munmap, void *, start, unsigned long, length);
++static __always_inline _syscall2(int, _dl_munmap, void *, start, unsigned long, length);
+
+ #ifdef __NR_getxuid
+ # define __NR_getuid __NR_getxuid
+ #endif
+ #define __NR__dl_getuid __NR_getuid
+-static inline _syscall0(uid_t, _dl_getuid);
++static __always_inline _syscall0(uid_t, _dl_getuid);
+
+ #ifndef __NR_geteuid
+ # define __NR_geteuid __NR_getuid
+ #endif
+ #define __NR__dl_geteuid __NR_geteuid
+-static inline _syscall0(uid_t, _dl_geteuid);
++static __always_inline _syscall0(uid_t, _dl_geteuid);
+
+ #ifdef __NR_getxgid
+ # define __NR_getgid __NR_getxgid
+ #endif
+ #define __NR__dl_getgid __NR_getgid
+-static inline _syscall0(gid_t, _dl_getgid);
++static __always_inline _syscall0(gid_t, _dl_getgid);
+
+ #ifndef __NR_getegid
+ # define __NR_getegid __NR_getgid
+ #endif
+ #define __NR__dl_getegid __NR_getegid
+-static inline _syscall0(gid_t, _dl_getegid);
++static __always_inline _syscall0(gid_t, _dl_getegid);
+
+ #ifdef __NR_getxpid
+ # define __NR_getpid __NR_getxpid
+ #endif
+ #define __NR__dl_getpid __NR_getpid
+-static inline _syscall0(gid_t, _dl_getpid);
++static __always_inline _syscall0(gid_t, _dl_getpid);
+
+ #define __NR__dl_readlink __NR_readlink
+-static inline _syscall3(int, _dl_readlink, const char *, path, char *, buf,
++static __always_inline _syscall3(int, _dl_readlink, const char *, path, char *, buf,
+ size_t, bufsiz);
+
+ #ifdef __UCLIBC_HAS_SSP__
+@@ -146,14 +146,14 @@ static inline _syscall2(int, _dl_gettimeofday, struct timeval *, tv,
+ #if defined(__UCLIBC_MMAP_HAS_6_ARGS__) && defined(__NR_mmap)
+
+ # define __NR__dl_mmap __NR_mmap
+-static inline _syscall6(void *, _dl_mmap, void *, start, size_t, length,
++static __always_inline _syscall6(void *, _dl_mmap, void *, start, size_t, length,
+ int, prot, int, flags, int, fd, off_t, offset);
+
+ /* then try mmap2() */
+ #elif defined(__NR_mmap2)
+
+ # define __NR___syscall_mmap2 __NR_mmap2
+-static inline _syscall6(__ptr_t, __syscall_mmap2, __ptr_t, addr, size_t, len,
++static __always_inline _syscall6(__ptr_t, __syscall_mmap2, __ptr_t, addr, size_t, len,
+ int, prot, int, flags, int, fd, off_t, offset);
+
+ /* Some architectures always use 12 as page shift for mmap2() eventhough the
+@@ -164,7 +164,7 @@ static inline _syscall6(__ptr_t, __syscall_mmap2, __ptr_t, addr, size_t, len,
+ # define MMAP2_PAGE_SHIFT 12
+ #endif
+
+-static inline void * _dl_mmap(void * addr, unsigned long size, int prot,
++static __always_inline void * _dl_mmap(void * addr, unsigned long size, int prot,
+ int flags, int fd, unsigned long offset)
+ {
+ if (offset & ((1 << MMAP2_PAGE_SHIFT) - 1))
+@@ -177,8 +177,8 @@ static inline void * _dl_mmap(void * addr, unsigned long size, int prot,
+ #elif defined(__NR_mmap)
+
+ # define __NR__dl_mmap_real __NR_mmap
+-static inline _syscall1(void *, _dl_mmap_real, unsigned long *, buffer);
+-static inline void * _dl_mmap(void * addr, unsigned long size, int prot,
++static __always_inline _syscall1(void *, _dl_mmap_real, unsigned long *, buffer);
++static __always_inline void * _dl_mmap(void * addr, unsigned long size, int prot,
+ int flags, int fd, unsigned long offset)
+ {
+ unsigned long buffer[6];
+diff --git a/ldso/ldso/avr32/dl-debug.h b/ldso/ldso/avr32/dl-debug.h
+new file mode 100644
+index 0000000..fe35539
+--- /dev/null
++++ b/ldso/ldso/avr32/dl-debug.h
+@@ -0,0 +1,45 @@
++/*
++ * AVR32 ELF shared libary loader support
++ *
++ * Copyright (C) 2005-2007 Atmel Corporation
++ * All rights reserved.
++ *
++ * Redistribution and use in source and binary forms, with or without
++ * modification, are permitted provided that the following conditions
++ * are met:
++ * 1. Redistributions of source code must retain the above copyright
++ * notice, this list of conditions and the following disclaimer.
++ * 2. The name of the above contributors may not be
++ * used to endorse or promote products derived from this software
++ * without specific prior written permission.
++ *
++ * THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS ``AS IS'' AND
++ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
++ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
++ * ARE DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE
++ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
++ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
++ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
++ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
++ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
++ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
++ * SUCH DAMAGE.
++ */
++
++static const char *_dl_reltypes_tab[] = {
++ "R_AVR32_NONE",
++ "R_AVR32_32", "R_AVR32_16", "R_AVR32_8",
++ "R_AVR32_32_PCREL", "R_AVR32_16_PCREL", "R_AVR32_8_PCREL",
++ "R_AVR32_DIFF32", "R_AVR32_DIFF16", "R_AVR32_DIFF8",
++ "R_AVR32_GOT32", "R_AVR32_GOT16", "R_AVR32_GOT8",
++ "R_AVR32_21S", "R_AVR32_16U", "R_AVR32_16S", "R_AVR32_8S", "R_AVR32_8S_EXT",
++ "R_AVR32_22H_PCREL", "R_AVR32_18W_PCREL", "R_AVR32_16B_PCREL",
++ "R_AVR32_16N_PCREL", "R_AVR32_14UW_PCREL", "R_AVR32_11H_PCREL",
++ "R_AVR32_10UW_PCREL", "R_AVR32_9H_PCREL", "R_AVR32_9UW_PCREL",
++ "R_AVR32_HI16", "R_AVR32_LO16",
++ "R_AVR32_GOTPC", "R_AVR32_GOTCALL", "R_AVR32_LDA_GOT",
++ "R_AVR32_GOT21S", "R_AVR32_GOT18SW", "R_AVR32_GOT16S", "R_AVR32_GOT7UW",
++ "R_AVR32_32_CPENT", "R_AVR32_CPCALL", "R_AVR32_16_CP", "R_AVR32_9W_CP",
++ "R_AVR32_RELATIVE", "R_AVR32_GLOB_DAT", "R_AVR32_JMP_SLOT",
++ "R_AVR32_ALIGN",
++};
+diff --git a/ldso/ldso/avr32/dl-startup.h b/ldso/ldso/avr32/dl-startup.h
+new file mode 100644
+index 0000000..3b9a641
+--- /dev/null
++++ b/ldso/ldso/avr32/dl-startup.h
+@@ -0,0 +1,112 @@
++/*
++ * Architecture specific code used by dl-startup.c
++ *
++ * Copyright (C) 2005-2007 Atmel Corporation
++ *
++ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
++ */
++
++/* This is the library loader's main entry point. Let _dl_boot2 do its
++ * initializations and jump to the application's entry point
++ * afterwards. */
++asm( " .text\n"
++ " .global _start\n"
++ " .type _start,@function\n"
++ "_start:\n"
++ /* All arguments are on the stack initially */
++ " mov r12, sp\n"
++ " rcall _dl_start\n"
++ /* Returns user entry point in r12. Save it. */
++ " mov r0, r12\n"
++ /* We're PIC, so get the Global Offset Table */
++ " lddpc r6, .L_GOT\n"
++ ".L_RGOT:\n"
++ " rsub r6, pc\n"
++ /* Adjust argc and argv according to _dl_skip_args */
++ " ld.w r1, r6[_dl_skip_args@got]\n"
++ " ld.w r1, r1[0]\n"
++ " ld.w r2, sp++\n"
++ " sub r2, r1\n"
++ " add sp, sp, r1 << 2\n"
++ " st.w --sp, r2\n"
++ /* Load the finalizer function */
++ " ld.w r12, r6[_dl_fini@got]\n"
++ /* Jump to the user's entry point */
++ " mov pc, r0\n\n"
++
++ " .align 2\n"
++ ".L_GOT:"
++ " .long .L_RGOT - _GLOBAL_OFFSET_TABLE_\n"
++ " .size _start, . - _start\n"
++ " .previous\n");
++
++/* Get a pointer to the argv array. On many platforms this can be just
++ * the address if the first argument, on other platforms we need to
++ * do something a little more subtle here. */
++#define GET_ARGV(ARGVP, ARGS) ARGVP = ((unsigned long *)ARGS + 1)
++
++
++/* We can't call functions before the GOT has been initialized */
++#define NO_FUNCS_BEFORE_BOOTSTRAP
++
++/*
++ * Relocate the GOT during dynamic loader bootstrap. This will add
++ * the load address to all entries in the GOT, which is necessary
++ * because the linker doesn't generate R_AVR32_RELATIVE relocs for the
++ * GOT.
++ */
++static __always_inline
++void PERFORM_BOOTSTRAP_GOT(struct elf_resolve *tpnt)
++{
++ Elf32_Addr i, nr_got;
++ register Elf32_Addr *__r6 __asm__("r6");
++ Elf32_Addr *got = __r6;
++
++ nr_got = tpnt->dynamic_info[DT_AVR32_GOTSZ_IDX] / sizeof(*got);
++ for (i = 2; i < nr_got; i++)
++ got[i] += tpnt->loadaddr;
++}
++
++#define PERFORM_BOOTSTRAP_GOT(tpnt) PERFORM_BOOTSTRAP_GOT(tpnt)
++
++/* Handle relocation of the symbols in the dynamic loader. */
++static __always_inline
++void PERFORM_BOOTSTRAP_RELOC(ELF_RELOC *rpnt, unsigned long *reloc_addr,
++ unsigned long symbol_addr,
++ unsigned long load_addr, Elf32_Sym *symtab)
++{
++ switch(ELF32_R_TYPE(rpnt->r_info)) {
++ case R_AVR32_NONE:
++ break;
++ case R_AVR32_GLOB_DAT:
++ case R_AVR32_JMP_SLOT:
++ *reloc_addr = symbol_addr;
++ break;
++ case R_AVR32_RELATIVE:
++ SEND_STDERR_DEBUG("Applying RELATIVE relocation: ");
++ SEND_ADDRESS_STDERR_DEBUG(load_addr, 0);
++ SEND_STDERR_DEBUG(" + ");
++ SEND_ADDRESS_STDERR_DEBUG(rpnt->r_addend, 1);
++ *reloc_addr = load_addr + rpnt->r_addend;
++ break;
++ default:
++ SEND_STDERR("BOOTSTRAP_RELOC: unhandled reloc_type ");
++ SEND_NUMBER_STDERR(ELF32_R_TYPE(rpnt->r_info), 1);
++ SEND_STDERR("REL, SYMBOL, LOAD: ");
++ SEND_ADDRESS_STDERR(reloc_addr, 0);
++ SEND_STDERR(", ");
++ SEND_ADDRESS_STDERR(symbol_addr, 0);
++ SEND_STDERR(", ");
++ SEND_ADDRESS_STDERR(load_addr, 1);
++ _dl_exit(1);
++ }
++}
++
++/* Transfer control to the user's application, once the dynamic loader
++ * is done. This routine has to exit the current function, then call
++ * the _dl_elf_main function.
++ *
++ * Since our _dl_boot will simply call whatever is returned by
++ * _dl_boot2, we can just return the address we're supposed to
++ * call. */
++#define START() return _dl_elf_main;
+diff --git a/ldso/ldso/avr32/dl-syscalls.h b/ldso/ldso/avr32/dl-syscalls.h
+new file mode 100644
+index 0000000..996bb87
+--- /dev/null
++++ b/ldso/ldso/avr32/dl-syscalls.h
+@@ -0,0 +1,6 @@
++/* We can't use the real errno in ldso, since it has not yet
++ * been dynamicly linked in yet. */
++#include "sys/syscall.h"
++extern int _dl_errno;
++#undef __set_errno
++#define __set_errno(X) {(_dl_errno) = (X);}
+diff --git a/ldso/ldso/avr32/dl-sysdep.h b/ldso/ldso/avr32/dl-sysdep.h
+new file mode 100644
+index 0000000..1a30172
+--- /dev/null
++++ b/ldso/ldso/avr32/dl-sysdep.h
+@@ -0,0 +1,105 @@
++/*
++ * Various assembly language/system dependent hacks that are required
++ * so that we can minimize the amount of platform specific code.
++ *
++ * Copyright (C) 2004-2007 Atmel Corporation
++ *
++ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
++ */
++
++/* Define this if the system uses RELOCA. */
++#define ELF_USES_RELOCA
++
++#include <elf.h>
++
++#define ARCH_NUM 1
++#define DT_AVR32_GOTSZ_IDX (DT_NUM + OS_NUM)
++
++#define ARCH_DYNAMIC_INFO(dpnt, dynamic, debug_addr) \
++ do { \
++ if (dpnt->d_tag == DT_AVR32_GOTSZ) \
++ dynamic[DT_AVR32_GOTSZ_IDX] = dpnt->d_un.d_val; \
++ } while (0)
++
++/* Initialization sequence for the application/library GOT. */
++#define INIT_GOT(GOT_BASE,MODULE) \
++ do { \
++ unsigned long i, nr_got; \
++ \
++ GOT_BASE[0] = (unsigned long) _dl_linux_resolve; \
++ GOT_BASE[1] = (unsigned long) MODULE; \
++ \
++ /* Add load address displacement to all GOT entries */ \
++ nr_got = MODULE->dynamic_info[DT_AVR32_GOTSZ_IDX] / 4; \
++ for (i = 2; i < nr_got; i++) \
++ GOT_BASE[i] += (unsigned long)MODULE->loadaddr; \
++ } while (0)
++
++#define do_rem(result, n, base) ((result) = (n) % (base))
++
++/* Here we define the magic numbers that this dynamic loader should accept */
++#define MAGIC1 EM_AVR32
++#undef MAGIC2
++
++/* Used for error messages */
++#define ELF_TARGET "AVR32"
++
++unsigned long _dl_linux_resolver(unsigned long got_offset, unsigned long *got);
++
++/* 4096 bytes alignment */
++#define PAGE_ALIGN 0xfffff000
++#define ADDR_ALIGN 0xfff
++#define OFFS_ALIGN 0x7ffff000
++
++#define elf_machine_type_class(type) \
++ ((type == R_AVR32_JMP_SLOT) * ELF_RTYPE_CLASS_PLT)
++
++/* AVR32 doesn't need any COPY relocs */
++#define DL_NO_COPY_RELOCS
++
++/* Return the link-time address of _DYNAMIC. Conveniently, this is the
++ first element of the GOT. This must be inlined in a function which
++ uses global data. */
++static inline Elf32_Addr
++elf_machine_dynamic (void)
++{
++ register Elf32_Addr *got asm ("r6");
++ return *got;
++}
++
++/* Return the run-time load address of the shared object. */
++static inline Elf32_Addr
++elf_machine_load_address (void)
++{
++ extern void __dl_start asm("_dl_start");
++ Elf32_Addr got_addr = (Elf32_Addr) &__dl_start;
++ Elf32_Addr pcrel_addr;
++
++ asm (" lddpc %0, 2f\n"
++ "1: add %0, pc\n"
++ " rjmp 3f\n"
++ " .align 2\n"
++ "2: .long _dl_start - 1b\n"
++ "3:\n"
++ : "=r"(pcrel_addr) : : "cc");
++
++ return pcrel_addr - got_addr;
++}
++
++/*
++ * Perform any RELATIVE relocations specified by DT_RELCOUNT.
++ * Currently, we don't use that tag, but we might in the future as
++ * this would reduce the startup time somewhat (although probably not by much).
++ */
++static inline void
++elf_machine_relative (Elf32_Addr load_off, const Elf32_Addr rel_addr,
++ Elf32_Word relative_count)
++{
++ Elf32_Rela *rpnt = (void *)rel_addr;
++
++ do {
++ Elf32_Addr *reloc_addr;
++ reloc_addr = (void *)(load_off + (rpnt++)->r_offset);
++ *reloc_addr = load_off + rpnt->r_addend;
++ } while (--relative_count);
++}
+diff --git a/ldso/ldso/avr32/elfinterp.c b/ldso/ldso/avr32/elfinterp.c
+new file mode 100644
+index 0000000..196292b
+--- /dev/null
++++ b/ldso/ldso/avr32/elfinterp.c
+@@ -0,0 +1,191 @@
++/*
++ * AVR32 ELF shared library loader suppport
++ *
++ * Copyright (C) 2004-2006 Atmel Corporation
++ *
++ * All rights reserved.
++ *
++ * Redistribution and use in source and binary forms, with or without
++ * modification, are permitted provided that the following conditions
++ * are met:
++ * 1. Redistributions of source code must retain the above copyright
++ * notice, this list of conditions and the following disclaimer.
++ * 2. The name of the above contributors may not be
++ * used to endorse or promote products derived from this software
++ * without specific prior written permission.
++ *
++ * THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS ``AS IS'' AND
++ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
++ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
++ * ARE DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE
++ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
++ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
++ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
++ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
++ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
++ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
++ * SUCH DAMAGE.
++ */
++
++unsigned long _dl_linux_resolver(unsigned long got_offset, unsigned long *got)
++{
++ struct elf_resolve *tpnt = (struct elf_resolve *)got[1];
++ Elf32_Sym *sym;
++ unsigned long local_gotno;
++ unsigned long gotsym;
++ unsigned long new_addr;
++ char *strtab, *symname;
++ unsigned long *entry;
++ unsigned long sym_index = got_offset / 4;
++
++#if 0
++ local_gotno = tpnt->dynamic_info[DT_AVR32_LOCAL_GOTNO];
++ gotsym = tpnt->dynamic_info[DT_AVR32_GOTSYM];
++
++ sym = ((Elf32_Sym *)(tpnt->dynamic_info[DT_SYMTAB] + tpnt->loadaddr))
++ + sym_index;
++ strtab = (char *)(tpnt->dynamic_info[DT_STRTAB] + tpnt->loadaddr);
++ symname = strtab + sym->st_name;
++
++#if 0
++ new_addr = (unsigned long) _dl_find_hash(strtab + sym->st_name,
++ tpnt->symbol_scope, tpnt,
++ resolver);
++#endif
++
++ entry = (unsigned long *)(got + local_gotno + sym_index - gotsym);
++ *entry = new_addr;
++#endif
++
++ return new_addr;
++}
++
++static int
++_dl_parse(struct elf_resolve *tpnt, struct dyn_elf *scope,
++ unsigned long rel_addr, unsigned long rel_size,
++ int (*reloc_func)(struct elf_resolve *tpnt, struct dyn_elf *scope,
++ Elf32_Rela *rpnt, Elf32_Sym *symtab, char *strtab))
++{
++ Elf32_Sym *symtab;
++ Elf32_Rela *rpnt;
++ char *strtab;
++ int i;
++
++ rpnt = (Elf32_Rela *)rel_addr;
++ rel_size /= sizeof(Elf32_Rela);
++ symtab = (Elf32_Sym *)tpnt->dynamic_info[DT_SYMTAB];
++ strtab = (char *)tpnt->dynamic_info[DT_STRTAB];
++
++ for (i = 0; i < rel_size; i++, rpnt++) {
++ int symtab_index, res;
++
++ symtab_index = ELF32_R_SYM(rpnt->r_info);
++
++ debug_sym(symtab, strtab, symtab_index);
++ debug_reloc(symtab, strtab, rpnt);
++
++ res = reloc_func(tpnt, scope, rpnt, symtab, strtab);
++
++ if (res == 0)
++ continue;
++
++ _dl_dprintf(2, "\n%s: ", _dl_progname);
++
++ if (symtab_index)
++ _dl_dprintf(2, "symbol '%s': ",
++ strtab + symtab[symtab_index].st_name);
++
++ if (res < 0) {
++ int reloc_type = ELF32_R_TYPE(rpnt->r_info);
++#if defined(__SUPPORT_LD_DEBUG__)
++ _dl_dprintf(2, "can't handle reloc type %s\n",
++ _dl_reltypes(reloc_type));
++#else
++ _dl_dprintf(2, "can't handle reloc type %x\n",
++ reloc_type);
++#endif
++ _dl_exit(-res);
++ } else {
++ _dl_dprintf(2, "can't resolve symbol\n");
++ return res;
++ }
++ }
++
++ return 0;
++}
++
++static int _dl_do_reloc(struct elf_resolve *tpnt, struct dyn_elf *scope,
++ Elf32_Rela *rpnt, Elf32_Sym *symtab, char *strtab)
++{
++ int reloc_type;
++ int symtab_index;
++ char *symname;
++ unsigned long *reloc_addr;
++ unsigned long symbol_addr;
++#if defined(__SUPPORT_LD_DEBUG__)
++ unsigned long old_val;
++#endif
++
++ reloc_addr = (unsigned long *)(tpnt->loadaddr + rpnt->r_offset);
++ reloc_type = ELF32_R_TYPE(rpnt->r_info);
++ symtab_index = ELF32_R_SYM(rpnt->r_info);
++ symbol_addr = 0;
++ symname = strtab + symtab[symtab_index].st_name;
++
++ if (symtab_index) {
++ symbol_addr = (unsigned long)
++ _dl_find_hash(strtab + symtab[symtab_index].st_name,
++ tpnt->symbol_scope, tpnt,
++ elf_machine_type_class(reloc_type));
++
++ /* Allow undefined references to weak symbols */
++ if (!symbol_addr &&
++ ELF32_ST_BIND(symtab[symtab_index].st_info) != STB_WEAK) {
++ _dl_dprintf(2, "%s: can't resolve symbol '%s'\n",
++ _dl_progname, symname);
++ return 0;
++ }
++ }
++
++#if defined(__SUPPORT_LD_DEBUG__)
++ old_val = *reloc_addr;
++#endif
++ switch (reloc_type) {
++ case R_AVR32_NONE:
++ break;
++ case R_AVR32_GLOB_DAT:
++ case R_AVR32_JMP_SLOT:
++ *reloc_addr = symbol_addr + rpnt->r_addend;
++ break;
++ case R_AVR32_RELATIVE:
++ *reloc_addr = (unsigned long)tpnt->loadaddr
++ + rpnt->r_addend;
++ break;
++ default:
++ return -1;
++ }
++
++#if defined(__SUPPORT_LD_DEBUG__)
++ if (_dl_debug_reloc && _dl_debug_detail)
++ _dl_dprintf(_dl_debug_file, "\tpatched: %x ==> %x @ %x\n",
++ old_val, *reloc_addr);
++#endif
++
++ return 0;
++}
++
++void _dl_parse_lazy_relocation_information(struct dyn_elf *rpnt,
++ unsigned long rel_addr,
++ unsigned long rel_size)
++{
++ /* TODO: Might want to support this in order to get faster
++ * startup times... */
++}
++
++int _dl_parse_relocation_information(struct dyn_elf *rpnt,
++ unsigned long rel_addr,
++ unsigned long rel_size)
++{
++ return _dl_parse(rpnt->dyn, rpnt->dyn->symbol_scope, rel_addr, rel_size,
++ _dl_do_reloc);
++}
+diff --git a/ldso/ldso/avr32/resolve.S b/ldso/ldso/avr32/resolve.S
+new file mode 100644
+index 0000000..e3cb7f4
+--- /dev/null
++++ b/ldso/ldso/avr32/resolve.S
+@@ -0,0 +1,28 @@
++/*
++ * Linux dynamic resolving code for AVR32. Fixes up the GOT entry as
++ * indicated in register r12 and jumps to the resolved address.
++ *
++ * This file is subject to the terms and conditions of the GNU Lesser General
++ * Public License. See the file "COPYING.LIB" in the main directory of this
++ * archive for more details.
++ *
++ * Copyright (C) 2004-2007 Atmel Corporation
++ */
++
++#define ip r5
++
++ .text
++ .global _dl_linux_resolve
++ .type _dl_linux_resolve,@function
++_dl_linux_resolve:
++ /* The PLT code pushed r8 for us. It contains the address of this
++ function's GOT entry, that is entry 0. ip contains the address
++ of the GOT entry of the function we wanted to call. */
++ stm --sp, r9-r12, lr
++ mov r11, r8
++ sub r12, ip, r8
++ rcall _dl_linux_resolver
++ mov ip, r12
++ popm r8-r12,lr
++ mov pc, ip
++ .size _dl_linux_resolve, . - _dl_linux_resolve
+diff --git a/ldso/ldso/dl-startup.c b/ldso/ldso/dl-startup.c
+index 5cf1d04..d4294ec 100644
+--- a/ldso/ldso/dl-startup.c
++++ b/ldso/ldso/dl-startup.c
+@@ -217,7 +217,9 @@ DL_START(unsigned long args)
+ /* some arches (like MIPS) we have to tweak the GOT before relocations */
+ PERFORM_BOOTSTRAP_GOT(tpnt);
+
+-#else
++#endif
++
++#if !defined(PERFORM_BOOTSTRAP_GOT) || defined(__avr32__)
+
+ /* OK, now do the relocations. We do not do a lazy binding here, so
+ that once we are done, we have considerably more flexibility. */
+diff --git a/libc/inet/resolv.c b/libc/inet/resolv.c
+index f4e6cac..9cdc3fe 100644
+--- a/libc/inet/resolv.c
++++ b/libc/inet/resolv.c
+@@ -1643,7 +1643,7 @@ int attribute_hidden __read_etc_hosts_r(FILE * fp, const char * name, int type,
+ *result=result_buf;
+ ret=NETDB_SUCCESS;
+ #ifdef __UCLIBC_HAS_IPV6__
+- } else if (type == AF_INET6 && inet_pton(AF_INET6, alias[0], in6) > 0) {
++ } else if (type == AF_INET6 && inet_pton(AF_INET6, alias[0], in6) > 0) {
+ DPRINTF("Found INET6\n");
+ addr_list6[0] = in6;
+ addr_list6[1] = 0;
+@@ -1658,8 +1658,8 @@ int attribute_hidden __read_etc_hosts_r(FILE * fp, const char * name, int type,
+ } else {
+ DPRINTF("Error\n");
+ ret=TRY_AGAIN;
+- break; /* bad ip address */
+- }
++ continue; /* bad ip address, keep searching */
++ }
+
+ if (action!=GETHOSTENT) {
+ fclose(fp);
+diff --git a/libc/string/avr32/Makefile b/libc/string/avr32/Makefile
+new file mode 100644
+index 0000000..e19e9d9
+--- /dev/null
++++ b/libc/string/avr32/Makefile
+@@ -0,0 +1,26 @@
++# 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
++
++top_srcdir := ../../../
++top_builddir := ../../../
++
++all: objs
++
++include $(top_builddir)Rules.mak
++include ../Makefile.in
++include $(top_srcdir)Makerules
+diff --git a/libc/string/avr32/bcopy.S b/libc/string/avr32/bcopy.S
+new file mode 100644
+index 0000000..87c1e04
+--- /dev/null
++++ b/libc/string/avr32/bcopy.S
+@@ -0,0 +1,26 @@
++/*
++ * Copyright (C) 2004-2007 Atmel Corporation
++ *
++ * This file is subject to the terms and conditions of the GNU Lesser General
++ * Public License. See the file "COPYING.LIB" in the main directory of this
++ * archive for more details.
++ */
++
++#include <features.h>
++
++#ifdef __UCLIBC_SUSV3_LEGACY__
++
++ .text
++ .global bcopy
++ .type bcopy, @function
++ .align 1
++bcopy:
++ /* Swap the first two arguments */
++ eor r11, r12
++ eor r12, r11
++ eor r11, r12
++ rjmp __GI_memmove
++
++ .size bcopy, . - bcopy
++
++#endif /* __UCLIBC_SUSV3_LEGACY__ */
+diff --git a/libc/string/avr32/bzero.S b/libc/string/avr32/bzero.S
+new file mode 100644
+index 0000000..c999e65
+--- /dev/null
++++ b/libc/string/avr32/bzero.S
+@@ -0,0 +1,22 @@
++/*
++ * Copyright (C) 2004-2007 Atmel Corporation
++ *
++ * This file is subject to the terms and conditions of the GNU Lesser General
++ * Public License. See the file "COPYING.LIB" in the main directory of this
++ * archive for more details.
++ */
++
++#ifdef __UCLIBC_SUSV3_LEGACY__
++
++ .text
++ .global bzero
++ .type bzero, @function
++ .align 1
++bzero:
++ mov r10, r11
++ mov r11, 0
++ rjmp __memset
++
++ .size bzero, . - bzero
++
++#endif /* __UCLIBC_SUSV3_LEGACY__ */
+diff --git a/libc/string/avr32/memcmp.S b/libc/string/avr32/memcmp.S
+new file mode 100644
+index 0000000..ae6cc91
+--- /dev/null
++++ b/libc/string/avr32/memcmp.S
+@@ -0,0 +1,61 @@
++/*
++ * Copyright (C) 2004-2007 Atmel Corporation
++ *
++ * This file is subject to the terms and conditions of the GNU Lesser General
++ * Public License. See the file "COPYING.LIB" in the main directory of this
++ * archive for more details.
++ */
++
++#include <features.h>
++
++#define s1 r12
++#define s2 r11
++#define len r10
++
++ .text
++ .global memcmp
++ .type memcmp, @function
++ .align 1
++memcmp:
++ sub len, 4
++ brlt .Lless_than_4
++
++1: ld.w r8, s1++
++ ld.w r9, s2++
++ cp.w r8, r9
++ brne .Lfound_word
++ sub len, 4
++ brge 1b
++
++.Lless_than_4:
++ sub len, -4
++ reteq 0
++
++1: ld.ub r8, s1++
++ ld.ub r9, s2++
++ sub r8, r9
++ retne r8
++ sub len, 1
++ brgt 1b
++
++ retal 0
++
++.Lfound_word:
++ mov len, 4
++
++2: bfextu r11, r9, 24, 8
++ bfextu r12, r8, 24, 8
++ sub r12, r11
++ retne r12
++ lsl r8, 8
++ lsl r9, 8
++ sub len, 1
++ brne 2b
++ retal r12
++
++ .size memcmp, . - memcmp
++
++libc_hidden_def(memcmp)
++#ifdef __UCLIBC_SUSV3_LEGACY__
++strong_alias(memcmp,bcmp)
++#endif
+diff --git a/libc/string/avr32/memcpy.S b/libc/string/avr32/memcpy.S
+new file mode 100644
+index 0000000..bf091ab
+--- /dev/null
++++ b/libc/string/avr32/memcpy.S
+@@ -0,0 +1,111 @@
++/*
++ * Copyright (C) 2004-2007 Atmel Corporation
++ *
++ * This file is subject to the terms and conditions of the GNU Lesser General
++ * Public License. See the file "COPYING.LIB" in the main directory of this
++ * archive for more details.
++ */
++
++/* Don't use r12 as dst since we must return it unmodified */
++#define dst r9
++#define src r11
++#define len r10
++
++ .text
++ .global memcpy
++ .type memcpy, @function
++memcpy:
++ pref src[0]
++ mov dst, r12
++
++ /* If we have less than 32 bytes, don't do anything fancy */
++ cp.w len, 32
++ brge .Lmore_than_31
++
++ sub len, 1
++ retlt r12
++1: ld.ub r8, src++
++ st.b dst++, r8
++ sub len, 1
++ brge 1b
++ retal r12
++
++.Lmore_than_31:
++ pushm r0-r7, lr
++
++ /* Check alignment */
++ mov r8, src
++ andl r8, 31, COH
++ brne .Lunaligned_src
++ mov r8, dst
++ andl r8, 3, COH
++ brne .Lunaligned_dst
++
++.Laligned_copy:
++ sub len, 32
++ brlt .Lless_than_32
++
++1: /* Copy 32 bytes at a time */
++ ldm src, r0-r7
++ sub src, -32
++ stm dst, r0-r7
++ sub dst, -32
++ sub len, 32
++ brge 1b
++
++.Lless_than_32:
++ /* Copy 16 more bytes if possible */
++ sub len, -16
++ brlt .Lless_than_16
++ ldm src, r0-r3
++ sub src, -16
++ sub len, 16
++ stm dst, r0-r3
++ sub dst, -16
++
++.Lless_than_16:
++ /* Do the remaining as byte copies */
++ neg len
++ add pc, pc, len << 2
++ .rept 15
++ ld.ub r0, src++
++ st.b dst++, r0
++ .endr
++
++ popm r0-r7, pc
++
++.Lunaligned_src:
++ /* Make src cacheline-aligned. r8 = (src & 31) */
++ rsub r8, r8, 32
++ sub len, r8
++1: ld.ub r0, src++
++ st.b dst++, r0
++ sub r8, 1
++ brne 1b
++
++ /* If dst is word-aligned, we're ready to go */
++ pref src[0]
++ mov r8, 3
++ tst dst, r8
++ breq .Laligned_copy
++
++.Lunaligned_dst:
++ /* src is aligned, but dst is not. Expect bad performance */
++ sub len, 4
++ brlt 2f
++1: ld.w r0, src++
++ st.w dst++, r0
++ sub len, 4
++ brge 1b
++
++2: neg len
++ add pc, pc, len << 2
++ .rept 3
++ ld.ub r0, src++
++ st.b dst++, r0
++ .endr
++
++ popm r0-r7, pc
++ .size memcpy, . - memcpy
++
++libc_hidden_def(memcpy)
+diff --git a/libc/string/avr32/memmove.S b/libc/string/avr32/memmove.S
+new file mode 100644
+index 0000000..98287c5
+--- /dev/null
++++ b/libc/string/avr32/memmove.S
+@@ -0,0 +1,116 @@
++/*
++ * Copyright (C) 2004-2007 Atmel Corporation
++ *
++ * This file is subject to the terms and conditions of the GNU Lesser General
++ * Public License. See the file "COPYING.LIB" in the main directory of this
++ * archive for more details.
++ */
++
++#define dst r12
++#define src r11
++#define len r10
++
++ .text
++ .global memmove
++ .type memmove, @function
++memmove:
++ cp.w src, dst
++ brge __GI_memcpy
++
++ add dst, len
++ add src, len
++ pref src[-1]
++
++ /*
++ * The rest is basically the same as in memcpy.S except that
++ * the direction is reversed.
++ */
++ cp.w len, 32
++ brge .Lmore_than_31
++
++ sub len, 1
++ retlt r12
++1: ld.ub r8, --src
++ st.b --dst, r8
++ sub len, 1
++ brge 1b
++ retal r12
++
++.Lmore_than_31:
++ pushm r0-r7, lr
++
++ /* Check alignment */
++ mov r8, src
++ andl r8, 31, COH
++ brne .Lunaligned_src
++ mov r8, r12
++ andl r8, 3, COH
++ brne .Lunaligned_dst
++
++.Laligned_copy:
++ sub len, 32
++ brlt .Lless_than_32
++
++1: /* Copy 32 bytes at a time */
++ sub src, 32
++ ldm src, r0-r7
++ sub dst, 32
++ sub len, 32
++ stm dst, r0-r7
++ brge 1b
++
++.Lless_than_32:
++ /* Copy 16 more bytes if possible */
++ sub len, -16
++ brlt .Lless_than_16
++ sub src, 16
++ ldm src, r0-r3
++ sub dst, 16
++ sub len, 16
++ stm dst, r0-r3
++
++.Lless_than_16:
++ /* Do the remaining as byte copies */
++ sub len, -16
++ breq 2f
++1: ld.ub r0, --src
++ st.b --dst, r0
++ sub len, 1
++ brne 1b
++
++2: popm r0-r7, pc
++
++.Lunaligned_src:
++ /* Make src cacheline-aligned. r8 = (src & 31) */
++ sub len, r8
++1: ld.ub r0, --src
++ st.b --dst, r0
++ sub r8, 1
++ brne 1b
++
++ /* If dst is word-aligned, we're ready to go */
++ pref src[-4]
++ mov r8, 3
++ tst dst, r8
++ breq .Laligned_copy
++
++.Lunaligned_dst:
++ /* src is aligned, but dst is not. Expect bad performance */
++ sub len, 4
++ brlt 2f
++1: ld.w r0, --src
++ st.w --dst, r0
++ sub len, 4
++ brge 1b
++
++2: neg len
++ add pc, pc, len << 2
++ .rept 3
++ ld.ub r0, --src
++ st.b --dst, r0
++ .endr
++
++ popm r0-r7, pc
++ .size memmove, . - memmove
++
++libc_hidden_def(memmove)
+diff --git a/libc/string/avr32/memset.S b/libc/string/avr32/memset.S
+new file mode 100644
+index 0000000..33cfaed
+--- /dev/null
++++ b/libc/string/avr32/memset.S
+@@ -0,0 +1,70 @@
++/*
++ * Copyright (C) 2004-2007 Atmel Corporation
++ *
++ * This file is subject to the terms and conditions of the GNU Lesser General
++ * Public License. See the file "COPYING.LIB" in the main directory of this
++ * archive for more details.
++ */
++
++#include <features.h>
++
++#define s r12
++#define c r11
++#define n r10
++
++ .text
++ .global memset
++ .type memset, @function
++
++ .global __memset
++ .hidden __memset
++ .type __memset, @function
++
++ .align 1
++memset:
++__memset:
++ cp.w n, 32
++ mov r9, s
++ brge .Llarge_memset
++
++ sub n, 1
++ retlt s
++1: st.b s++, c
++ sub n, 1
++ brge 1b
++
++ retal r9
++
++.Llarge_memset:
++ mov r8, r11
++ mov r11, 3
++ bfins r8, r8, 8, 8
++ bfins r8, r8, 16, 16
++ tst s, r11
++ breq 2f
++
++1: st.b s++, r8
++ sub n, 1
++ tst s, r11
++ brne 1b
++
++2: mov r11, r9
++ mov r9, r8
++ sub n, 8
++
++3: st.d s++, r8
++ sub n, 8
++ brge 3b
++
++ /* If we are done, n == -8 and we'll skip all st.b insns below */
++ neg n
++ lsl n, 1
++ add pc, n
++ .rept 7
++ st.b s++, r8
++ .endr
++ retal r11
++
++ .size memset, . - memset
++
++libc_hidden_def(memset)
+diff --git a/libc/string/avr32/strcmp.S b/libc/string/avr32/strcmp.S
+new file mode 100644
+index 0000000..f73bd43
+--- /dev/null
++++ b/libc/string/avr32/strcmp.S
+@@ -0,0 +1,91 @@
++/*
++ * Copyright (C) 2004-2007 Atmel Corporation
++ *
++ * This file is subject to the terms and conditions of the GNU Lesser General
++ * Public License. See the file "COPYING.LIB" in the main directory of this
++ * archive for more details.
++ */
++
++#include <features.h>
++
++#define s1 r12
++#define s2 r11
++#define len r10
++
++ .text
++ .global strcmp
++ .type strcmp, @function
++ .align 1
++strcmp:
++ mov r8, 3
++ tst s1, r8
++ brne .Lunaligned_s1
++ tst s2, r8
++ brne .Lunaligned_s2
++
++1: ld.w r8, s1++
++ ld.w r9, s2++
++ cp.w r8, r9
++ brne 2f
++ tnbz r8
++ brne 1b
++ retal 0
++
++2: bfextu r12, r8, 24, 8
++ bfextu r11, r9, 24, 8
++ sub r12, r11
++ retne r12
++ cp.w r11, 0
++ reteq 0
++ bfextu r12, r8, 16, 8
++ bfextu r11, r9, 16, 8
++ sub r12, r11
++ retne r12
++ cp.w r11, 0
++ reteq 0
++ bfextu r12, r8, 8, 8
++ bfextu r11, r9, 8, 8
++ sub r12, r11
++ retne r12
++ cp.w r11, 0
++ reteq 0
++ bfextu r12, r8, 0, 8
++ bfextu r11, r9, 0, 8
++ sub r12, r11
++ retal r12
++
++.Lunaligned_s1:
++3: tst s1, r8
++ breq 4f
++ ld.ub r10, s1++
++ ld.ub r9, s2++
++ sub r10, r9
++ retne r10
++ cp.w r9, 0
++ brne 3b
++ retal r10
++
++4: tst s2, r8
++ breq 1b
++
++.Lunaligned_s2:
++ /*
++ * s1 and s2 can't both be aligned, and unaligned word loads
++ * can trigger spurious exceptions if we cross a page boundary.
++ * Do it the slow way...
++ */
++1: ld.ub r8, s1++
++ ld.ub r9, s2++
++ sub r8, r9
++ retne r8
++ cp.w r9, 0
++ brne 1b
++ retal 0
++
++ .size strcmp, . - strcmp
++
++libc_hidden_def(strcmp)
++#ifndef __UCLIBC_HAS_LOCALE__
++strong_alias(strcmp, strcoll)
++libc_hidden_def(strcoll)
++#endif
+diff --git a/libc/string/avr32/strlen.S b/libc/string/avr32/strlen.S
+new file mode 100644
+index 0000000..5223e53
+--- /dev/null
++++ b/libc/string/avr32/strlen.S
+@@ -0,0 +1,62 @@
++/*
++ * Copyright (C) 2004-2007 Atmel Corporation
++ *
++ * This file is subject to the terms and conditions of the GNU Lesser General
++ * Public License. See the file "COPYING.LIB" in the main directory of this
++ * archive for more details.
++ */
++
++#include <features.h>
++
++#define str r12
++
++ .text
++ .global strlen
++ .type strlen, @function
++strlen:
++ mov r11, r12
++
++ mov r9, str
++ andl r9, 3, COH
++ brne .Lunaligned_str
++
++1: ld.w r8, str++
++ tnbz r8
++ brne 1b
++
++ sub r12, r11
++ bfextu r9, r8, 24, 8
++ cp.w r9, 0
++ subeq r12, 4
++ reteq r12
++ bfextu r9, r8, 16, 8
++ cp.w r9, 0
++ subeq r12, 3
++ reteq r12
++ bfextu r9, r8, 8, 8
++ cp.w r9, 0
++ subeq r12, 2
++ reteq r12
++ sub r12, 1
++ retal r12
++
++.Lunaligned_str:
++ add pc, pc, r9 << 3
++ sub r0, r0, 0 /* 4-byte nop */
++ ld.ub r8, str++
++ sub r8, r8, 0
++ breq 1f
++ ld.ub r8, str++
++ sub r8, r8, 0
++ breq 1f
++ ld.ub r8, str++
++ sub r8, r8, 0
++ brne 1b
++
++1: sub r12, 1
++ sub r12, r11
++ retal r12
++
++ .size strlen, . - strlen
++
++libc_hidden_def(strlen)
+diff --git a/libc/sysdeps/linux/avr32/Makefile b/libc/sysdeps/linux/avr32/Makefile
+new file mode 100644
+index 0000000..338abc0
+--- /dev/null
++++ b/libc/sysdeps/linux/avr32/Makefile
+@@ -0,0 +1,25 @@
++# 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
++
++top_srcdir=../../../../
++top_builddir=../../../../
++all: objs
++
++include $(top_builddir)Rules.mak
++include Makefile.arch
++include $(top_srcdir)Makerules
+diff --git a/libc/sysdeps/linux/avr32/Makefile.arch b/libc/sysdeps/linux/avr32/Makefile.arch
+new file mode 100644
+index 0000000..44fc01e
+--- /dev/null
++++ b/libc/sysdeps/linux/avr32/Makefile.arch
+@@ -0,0 +1,13 @@
++# Makefile for uClibc
++#
++# Copyright (C) 2000-2005 Erik Andersen <andersen@uclibc.org>
++#
++# Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
++#
++
++CSRC := brk.c clone.c mmap.c sigaction.c
++
++SSRC := __longjmp.S setjmp.S bsd-setjmp.S bsd-_setjmp.S \
++ sigrestorer.S syscall.S vfork.S
++
++include $(top_srcdir)/libc/sysdeps/linux/Makefile.commonarch
+diff --git a/libc/sysdeps/linux/avr32/__longjmp.S b/libc/sysdeps/linux/avr32/__longjmp.S
+new file mode 100644
+index 0000000..6154bb2
+--- /dev/null
++++ b/libc/sysdeps/linux/avr32/__longjmp.S
+@@ -0,0 +1,21 @@
++/*
++ * Copyright (C) 2004-2007 Atmel Corporation
++ *
++ * This file is subject to the terms and conditions of the GNU Lesser General
++ * Public License. See the file "COPYING.LIB" in the main directory of this
++ * archive for more details.
++ */
++
++ .global __longjmp
++ .type __longjmp,"function"
++ .align 1
++__longjmp:
++ ldm r12++, r0-r8,sp,lr
++ mustr r8 /* restore status register (lower half) */
++ cp r11, 0 /* can't return zero */
++ frs
++ moveq r11, 1
++ retal r11
++ .size __longjmp, . - __longjmp
++
++libc_hidden_def(__longjmp)
+diff --git a/libc/sysdeps/linux/avr32/bits/atomic.h b/libc/sysdeps/linux/avr32/bits/atomic.h
+new file mode 100644
+index 0000000..e6be41f
+--- /dev/null
++++ b/libc/sysdeps/linux/avr32/bits/atomic.h
+@@ -0,0 +1,120 @@
++/*
++ * Copyright (C) 2007 Atmel Corporation
++ *
++ * This file is subject to the terms and conditions of the GNU Lesser General
++ * Public License. See the file "COPYING.LIB" in the main directory of this
++ * archive for more details.
++ */
++#ifndef _AVR32_BITS_ATOMIC_H
++#define _AVR32_BITS_ATOMIC_H 1
++
++#include <inttypes.h>
++
++typedef int32_t atomic32_t;
++typedef uint32_t uatomic32_t;
++typedef int_fast32_t atomic_fast32_t;
++typedef uint_fast32_t uatomic_fast32_t;
++
++typedef intptr_t atomicptr_t;
++typedef uintptr_t uatomicptr_t;
++typedef intmax_t atomic_max_t;
++typedef uintmax_t uatomic_max_t;
++
++#define __arch_compare_and_exchange_val_8_acq(mem, newval, oldval) \
++ (abort(), 0)
++
++#define __arch_compare_and_exchange_val_16_acq(mem, newval, oldval) \
++ (abort(), 0)
++
++#define __arch_compare_and_exchange_val_32_acq(mem, newval, oldval) \
++ ({ \
++ __typeof__(*(mem)) __prev; \
++ __asm__ __volatile__( \
++ "/* __arch_compare_and_exchange_val_32_acq */\n" \
++ "1: ssrf 5\n" \
++ " ld.w %[result], %[m]\n" \
++ " cp.w %[result], %[old]\n" \
++ " brne 2f\n" \
++ " stcond %[m], %[new]\n" \
++ " brne 1b\n" \
++ "2:" \
++ : [result] "=&r"(__result), [m] "=m"(*(mem)) \
++ : "m"(*(mem)), [old] "ir"(oldval), \
++ [new] "r"(newval) \
++ : "memory", "cc"); \
++ __prev; \
++ })
++
++#define __arch_compare_and_exchange_val_64_acq(mem, newval, oldval) \
++ (abort(), 0)
++
++#define __arch_exchange_32_acq(mem, newval) \
++ ({ \
++ __typeof__(*(mem)) __oldval; \
++ __asm__ __volatile__( \
++ "/*__arch_exchange_32_acq */\n" \
++ " xchg %[old], %[m], %[new]" \
++ : [old] "=&r"(__oldval) \
++ : [m] "r"(mem), [new] "r"(newval) \
++ : "memory"); \
++ __oldval; \
++ })
++
++#define __arch_atomic_exchange_and_add_32(mem, value) \
++ ({ \
++ __typeof__(*(mem)) __oldval, __tmp; \
++ __asm__ __volatile__( \
++ "/* __arch_atomic_exchange_and_add_32 */\n" \
++ "1: ssrf 5\n" \
++ " ld.w %[old], %[m]\n" \
++ " add %[tmp], %[old], %[val]\n" \
++ " stcond %[m], %[tmp]\n" \
++ " brne 1b" \
++ : [old] "=&r"(__oldval), [tmp] "=&r"(__tmp), \
++ [m] "=m"(*(mem)) \
++ : "m"(*(mem)), [val] "r"(value) \
++ : "memory", "cc"); \
++ __oldval; \
++ })
++
++#define __arch_atomic_decrement_if_positive_32(mem) \
++ ({ \
++ __typeof__(*(mem)) __oldval, __tmp; \
++ __asm__ __volatile__( \
++ "/* __arch_atomic_decrement_if_positive_32 */\n" \
++ "1: ssrf 5\n" \
++ " ld.w %[old], %[m]\n" \
++ " sub %[tmp], %[old], 1\n" \
++ " brlt 2f\n" \
++ " stcond %[m], %[tmp]\n" \
++ " brne 1b" \
++ "2:" \
++ : [old] "=&r"(__oldval), [tmp] "=&r"(__tmp), \
++ [m] "=m"(*(mem)) \
++ : "m"(*(mem)) \
++ : "memory", "cc"); \
++ __oldval; \
++ })
++
++#define atomic_exchange_acq(mem, newval) \
++ ({ \
++ if (sizeof(*(mem)) != 4) \
++ abort(); \
++ __arch_exchange_32_acq(mem, newval); \
++ })
++
++#define atomic_exchange_and_add(mem, newval) \
++ ({ \
++ if (sizeof(*(mem)) != 4) \
++ abort(); \
++ __arch_atomic_exchange_and_add_32(mem, newval); \
++ })
++
++#define atomic_decrement_if_positive(mem) \
++ ({ \
++ if (sizeof(*(mem)) != 4) \
++ abort(); \
++ __arch_atomic_decrement_if_positive_32(mem); \
++ })
++
++#endif /* _AVR32_BITS_ATOMIC_H */
+diff --git a/libc/sysdeps/linux/avr32/bits/byteswap.h b/libc/sysdeps/linux/avr32/bits/byteswap.h
+new file mode 100644
+index 0000000..1c030b9
+--- /dev/null
++++ b/libc/sysdeps/linux/avr32/bits/byteswap.h
+@@ -0,0 +1,70 @@
++/*
++ * Copyright (C) 2005 Atmel Corporation
++ *
++ * This file is subject to the terms and conditions of the GNU Lesser General
++ * Public License. See the file "COPYING.LIB" in the main directory of this
++ * archive for more details.
++ */
++
++#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 */
+diff --git a/libc/sysdeps/linux/avr32/bits/endian.h b/libc/sysdeps/linux/avr32/bits/endian.h
+new file mode 100644
+index 0000000..7bb6358
+--- /dev/null
++++ b/libc/sysdeps/linux/avr32/bits/endian.h
+@@ -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
+diff --git a/libc/sysdeps/linux/avr32/bits/fcntl.h b/libc/sysdeps/linux/avr32/bits/fcntl.h
+new file mode 100644
+index 0000000..1abff17
+--- /dev/null
++++ b/libc/sysdeps/linux/avr32/bits/fcntl.h
+@@ -0,0 +1,165 @@
++#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 00000003
++#define O_RDONLY 00000000
++#define O_WRONLY 00000001
++#define O_RDWR 00000002
++#define O_CREAT 00000100 /* not fcntl */
++#define O_EXCL 00000200 /* not fcntl */
++#define O_NOCTTY 00000400 /* not fcntl */
++#define O_TRUNC 00001000 /* not fcntl */
++#define O_APPEND 00002000
++#define O_NONBLOCK 00004000
++#define O_NDELAY O_NONBLOCK
++#define O_SYNC 00010000
++#define O_ASYNC 00020000
++
++#ifdef __USE_GNU
++# define O_DIRECT 00040000 /* must be a directory */
++# define O_DIRECTORY 00200000 /* direct disk access */
++# define O_NOFOLLOW 00400000 /* don't follow links */
++# define O_NOATIME 01000000 /* don't set atime */
++#endif
++
++#ifdef __USE_LARGEFILE64
++# define O_LARGEFILE 00100000
++#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
+diff --git a/libc/sysdeps/linux/avr32/bits/kernel_stat.h b/libc/sysdeps/linux/avr32/bits/kernel_stat.h
+new file mode 100644
+index 0000000..f97d23b
+--- /dev/null
++++ b/libc/sysdeps/linux/avr32/bits/kernel_stat.h
+@@ -0,0 +1,67 @@
++#ifndef _BITS_STAT_STRUCT_H
++#define _BITS_STAT_STRUCT_H
++
++#ifndef _LIBC
++#error bits/kernel_stat.h is for internal uClibc use only!
++#endif
++
++/*
++ * This file provides struct stat, taken from kernel 2.6.4. Verified
++ * to match kernel 2.6.22.
++ */
++
++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 */
+diff --git a/libc/sysdeps/linux/avr32/bits/kernel_types.h b/libc/sysdeps/linux/avr32/bits/kernel_types.h
+new file mode 100644
+index 0000000..f7d8b52
+--- /dev/null
++++ b/libc/sysdeps/linux/avr32/bits/kernel_types.h
+@@ -0,0 +1,55 @@
++/* 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 long __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 */
+diff --git a/libc/sysdeps/linux/avr32/bits/mman.h b/libc/sysdeps/linux/avr32/bits/mman.h
+new file mode 100644
+index 0000000..5f6e3c3
+--- /dev/null
++++ b/libc/sysdeps/linux/avr32/bits/mman.h
+@@ -0,0 +1,103 @@
++/* 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. */
++#define PROT_GROWSDOWN 0x01000000 /* Extend change to start of
++ growsdown vma (mprotect only). */
++#define PROT_GROWSUP 0x02000000 /* Extend change to start of
++ growsup vma (mprotect only). */
++
++/* 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
++# define MREMAP_FIXED 2
++#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. */
++# define MADV_REMOVE 9 /* Remove these pages and resources. */
++# define MADV_DONTFORK 10 /* Do not inherit across fork. */
++# define MADV_DOFORK 11 /* Do inherit across fork. */
++#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
+diff --git a/libc/sysdeps/linux/avr32/bits/setjmp.h b/libc/sysdeps/linux/avr32/bits/setjmp.h
+new file mode 100644
+index 0000000..78348a3
+--- /dev/null
++++ b/libc/sysdeps/linux/avr32/bits/setjmp.h
+@@ -0,0 +1,30 @@
++/*
++ * Copyright (C) 2004-2005 Atmel Corporation
++ *
++ * This file is subject to the terms and conditions of the GNU Lesser General
++ * Public License. See the file "COPYING.LIB" in the main directory of this
++ * archive for more details.
++ */
++#ifndef _BITS_SETJMP_H
++#define _BITS_SETJMP_H 1
++
++#if !defined _SETJMP_H && !defined _PTHREAD_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]))
++
++#endif /* _BITS_SETJMP_H */
+diff --git a/libc/sysdeps/linux/avr32/bits/stackinfo.h b/libc/sysdeps/linux/avr32/bits/stackinfo.h
+new file mode 100644
+index 0000000..29b8452
+--- /dev/null
++++ b/libc/sysdeps/linux/avr32/bits/stackinfo.h
+@@ -0,0 +1,28 @@
++/* Copyright (C) 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. */
++
++/* This file contains a bit of information about the stack allocation
++ of the processor. */
++
++#ifndef _STACKINFO_H
++#define _STACKINFO_H 1
++
++/* On AVR32 the stack grows down. */
++#define _STACK_GROWS_DOWN 1
++
++#endif /* stackinfo.h */
+diff --git a/libc/sysdeps/linux/avr32/bits/syscalls.h b/libc/sysdeps/linux/avr32/bits/syscalls.h
+new file mode 100644
+index 0000000..22ac059
+--- /dev/null
++++ b/libc/sysdeps/linux/avr32/bits/syscalls.h
+@@ -0,0 +1,143 @@
++#ifndef _BITS_SYSCALLS_H
++#define _BITS_SYSCALLS_H
++#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 __ASSEMBLER__
++
++#include <errno.h>
++
++#define SYS_ify(syscall_name) (__NR_##syscall_name)
++
++#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 \
++ : "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__ */
++#endif /* _BITS_SYSCALLS_H */
+diff --git a/libc/sysdeps/linux/avr32/bits/uClibc_arch_features.h b/libc/sysdeps/linux/avr32/bits/uClibc_arch_features.h
+new file mode 100644
+index 0000000..e95e8a5
+--- /dev/null
++++ b/libc/sysdeps/linux/avr32/bits/uClibc_arch_features.h
+@@ -0,0 +1,45 @@
++/*
++ * Track misc arch-specific features that aren't config options
++ */
++
++#ifndef _BITS_UCLIBC_ARCH_FEATURES_H
++#define _BITS_UCLIBC_ARCH_FEATURES_H
++
++/* instruction used when calling abort() to kill yourself */
++/* trigger illegal instruction exception, same as BUG in Linux */
++#define __UCLIBC_ABORT_INSTRUCTION__ ".short 0x5df0"
++
++/* can your target use syscall6() for mmap ? */
++#define __UCLIBC_MMAP_HAS_6_ARGS__
++
++/* does your target use syscall4() for truncate64 ? (32bit arches only) */
++#undef __UCLIBC_TRUNCATE64_HAS_4_ARGS__
++
++/* does your target have a broken create_module() ? */
++#undef __UCLIBC_BROKEN_CREATE_MODULE__
++
++/* does your target have to worry about older [gs]etrlimit() ? */
++#undef __UCLIBC_HANDLE_OLDER_RLIMIT__
++
++/* does your target prefix all symbols with an _ ? */
++#define __UCLIBC_NO_UNDERSCORES__
++
++/* does your target have an asm .set ? */
++#define __UCLIBC_HAVE_ASM_SET_DIRECTIVE__
++
++/* define if target doesn't like .global */
++#undef __UCLIBC_ASM_GLOBAL_DIRECTIVE__
++
++/* define if target supports .weak */
++#define __UCLIBC_HAVE_ASM_WEAK_DIRECTIVE__
++
++/* define if target supports .weakext */
++#undef __UCLIBC_HAVE_ASM_WEAKEXT_DIRECTIVE__
++
++/* needed probably only for ppc64 */
++#undef __UCLIBC_HAVE_ASM_GLOBAL_DOT_NAME__
++
++/* define if target supports IEEE signed zero floats */
++#define __UCLIBC_HAVE_SIGNED_ZERO__
++
++#endif /* _BITS_UCLIBC_ARCH_FEATURES_H */
+diff --git a/libc/sysdeps/linux/avr32/bits/wordsize.h b/libc/sysdeps/linux/avr32/bits/wordsize.h
+new file mode 100644
+index 0000000..1b5842a
+--- /dev/null
++++ b/libc/sysdeps/linux/avr32/bits/wordsize.h
+@@ -0,0 +1 @@
++#define __WORDSIZE 32
+diff --git a/libc/sysdeps/linux/avr32/brk.c b/libc/sysdeps/linux/avr32/brk.c
+new file mode 100644
+index 0000000..a54b49a
+--- /dev/null
++++ b/libc/sysdeps/linux/avr32/brk.c
+@@ -0,0 +1,31 @@
++/*
++ * Copyright (C) 2004-2007 Atmel Corporation
++ *
++ * This file is subject to the terms and conditions of the GNU Lesser General
++ * Public License. See the file "COPYING.LIB" in the main directory of this
++ * archive for more details.
++ */
++#include <errno.h>
++#include <unistd.h>
++#include <sys/syscall.h>
++
++libc_hidden_proto(brk)
++
++void *__curbrk attribute_hidden = 0;
++
++int brk (void *addr)
++{
++ void *newbrk;
++
++ newbrk = (void *)INLINE_SYSCALL(brk, 1, addr);
++
++ __curbrk = newbrk;
++
++ if (newbrk < addr) {
++ __set_errno (ENOMEM);
++ return -1;
++ }
++
++ return 0;
++}
++libc_hidden_def(brk)
+diff --git a/libc/sysdeps/linux/avr32/bsd-_setjmp.S b/libc/sysdeps/linux/avr32/bsd-_setjmp.S
+new file mode 100644
+index 0000000..be66a10
+--- /dev/null
++++ b/libc/sysdeps/linux/avr32/bsd-_setjmp.S
+@@ -0,0 +1,16 @@
++/*
++ * Copyright (C) 2004-2007 Atmel Corporation
++ *
++ * This file is subject to the terms and conditions of the GNU Lesser General
++ * Public License. See the file "COPYING.LIB" in the main directory of this
++ * archive for more details.
++ */
++
++ /* This just does a tail-call to __sigsetjmp(env, 0) */
++ .global _setjmp
++ .type _setjmp,"function"
++ .align 1
++_setjmp:
++ mov r11, 0
++ bral __GI___sigsetjmp
++ .size _setjmp, . - _setjmp
+diff --git a/libc/sysdeps/linux/avr32/bsd-setjmp.S b/libc/sysdeps/linux/avr32/bsd-setjmp.S
+new file mode 100644
+index 0000000..4635eeb
+--- /dev/null
++++ b/libc/sysdeps/linux/avr32/bsd-setjmp.S
+@@ -0,0 +1,16 @@
++/*
++ * Copyright (C) 2004-2007 Atmel Corporation
++ *
++ * This file is subject to the terms and conditions of the GNU Lesser General
++ * Public License. See the file "COPYING.LIB" in the main directory of this
++ * archive for more details.
++ */
++
++ /* This just does a tail-call to __sigsetjmp(env, 1) */
++ .global setjmp
++ .type setjmp,"function"
++ .align 1
++setjmp:
++ mov r11, 1
++ bral __GI___sigsetjmp
++ .size setjmp, . - setjmp
+diff --git a/libc/sysdeps/linux/avr32/clone.c b/libc/sysdeps/linux/avr32/clone.c
+new file mode 100644
+index 0000000..e43b0f3
+--- /dev/null
++++ b/libc/sysdeps/linux/avr32/clone.c
+@@ -0,0 +1,41 @@
++/*
++ * Copyright (C) 2004 Atmel Corporation
++ *
++ * This file is subject to the terms and conditions of the GNU Lesser General
++ * Public License. See the file "COPYING.LIB" in the main directory of this
++ * archive for more details.
++ */
++#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;
++}
+diff --git a/libc/sysdeps/linux/avr32/crt1.S b/libc/sysdeps/linux/avr32/crt1.S
+new file mode 100644
+index 0000000..ca1fa7a
+--- /dev/null
++++ b/libc/sysdeps/linux/avr32/crt1.S
+@@ -0,0 +1,97 @@
++/*
++ * Copyright (C) 2004-2007 Atmel Corporation
++ *
++ * This file is subject to the terms and conditions of the GNU Lesser General
++ * Public License. See the file "COPYING.LIB" in the main directory of this
++ * archive for more details.
++ *
++ * 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
+diff --git a/libc/sysdeps/linux/avr32/crti.S b/libc/sysdeps/linux/avr32/crti.S
+new file mode 100644
+index 0000000..660f47c
+--- /dev/null
++++ b/libc/sysdeps/linux/avr32/crti.S
+@@ -0,0 +1,26 @@
++
++ .section .init
++ .align 2
++ .global _init
++ .type _init, @function
++_init:
++ stm --sp, r6, lr
++ lddpc r6, 2f
++1: rsub r6, pc
++ rjmp 3f
++ .align 2
++2: .long 1b - _GLOBAL_OFFSET_TABLE_
++3:
++
++ .section .fini
++ .align 2
++ .global _fini
++ .type _fini, @function
++_fini:
++ stm --sp, r6, lr
++ lddpc r6, 2f
++1: rsub r6, pc
++ rjmp 3f
++ .align 2
++2: .long 1b - _GLOBAL_OFFSET_TABLE_
++3:
+diff --git a/libc/sysdeps/linux/avr32/crtn.S b/libc/sysdeps/linux/avr32/crtn.S
+new file mode 100644
+index 0000000..f7d1040
+--- /dev/null
++++ b/libc/sysdeps/linux/avr32/crtn.S
+@@ -0,0 +1,14 @@
++
++ .section .init
++ .align 2
++ .global _init
++ .type _init, @function
++ ldm sp++, r6, pc
++ .size _init, . - _init
++
++ .section .fini
++ .align 2
++ .global _fini
++ .type _fini, @function
++ ldm sp++, r6, pc
++ .size _fini, . - _fini
+diff --git a/libc/sysdeps/linux/avr32/mmap.c b/libc/sysdeps/linux/avr32/mmap.c
+new file mode 100644
+index 0000000..2ee025a
+--- /dev/null
++++ b/libc/sysdeps/linux/avr32/mmap.c
+@@ -0,0 +1,33 @@
++/*
++ * Copyright (C) 2004-2007 Atmel Corporation
++ *
++ * This file is subject to the terms and conditions of the GNU Lesser General
++ * Public License. See the file "COPYING.LIB" in the main directory of this
++ * archive for more details.
++ */
++
++#include <errno.h>
++#include <unistd.h>
++#include <sys/mman.h>
++#include <sys/syscall.h>
++
++libc_hidden_proto(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)
++{
++ unsigned long page_size = sysconf(_SC_PAGESIZE);
++ unsigned long pgoff;
++
++ if (offset & (page_size - 1)) {
++ __set_errno(EINVAL);
++ return MAP_FAILED;
++ }
++
++ pgoff = (unsigned long)offset >> (31 - __builtin_clz(page_size));
++
++ return mmap2(addr, len, prot, flags, fd, pgoff);
++}
++libc_hidden_def(mmap)
+diff --git a/libc/sysdeps/linux/avr32/setjmp.S b/libc/sysdeps/linux/avr32/setjmp.S
+new file mode 100644
+index 0000000..7d0354b
+--- /dev/null
++++ b/libc/sysdeps/linux/avr32/setjmp.S
+@@ -0,0 +1,29 @@
++/*
++ * Copyright (C) 2004-2007 Atmel Corporation
++ *
++ * This file is subject to the terms and conditions of the GNU Lesser General
++ * Public License. See the file "COPYING.LIB" in the main directory of this
++ * archive for more details.
++ */
++#define _SETJMP_H
++#define _ASM
++#include <bits/setjmp.h>
++
++ .text
++
++ .global __sigsetjmp
++ .type __sigsetjmp,"function"
++
++ .align 1
++__sigsetjmp:
++ 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
++ * and is hidden so we don't need to mess around with the GOT.
++ */
++ rjmp __sigjmp_save
++ .size __sigsetjmp, . - __sigsetjmp
++
++libc_hidden_def(__sigsetjmp)
+diff --git a/libc/sysdeps/linux/avr32/sigaction.c b/libc/sysdeps/linux/avr32/sigaction.c
+new file mode 100644
+index 0000000..a97ff3d
+--- /dev/null
++++ b/libc/sysdeps/linux/avr32/sigaction.c
+@@ -0,0 +1,59 @@
++/*
++ * Copyright (C) 2004-2007 Atmel Corporation
++ *
++ * This file is subject to the terms and conditions of the GNU Lesser General
++ * Public License. See the file "COPYING.LIB" in the main directory of this
++ * archive for more details.
++ */
++#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);
++
++libc_hidden_proto(memcpy)
++
++/*
++ * 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;
++}
++
++#ifndef LIBC_SIGACTION
++libc_hidden_proto(sigaction)
++weak_alias(__libc_sigaction, sigaction)
++libc_hidden_weak(sigaction)
++#endif
+diff --git a/libc/sysdeps/linux/avr32/sigrestorer.S b/libc/sysdeps/linux/avr32/sigrestorer.S
+new file mode 100644
+index 0000000..df6a1ba
+--- /dev/null
++++ b/libc/sysdeps/linux/avr32/sigrestorer.S
+@@ -0,0 +1,15 @@
++/*
++ * Copyright (C) 2004 Atmel Corporation
++ *
++ * This file is subject to the terms and conditions of the GNU Lesser General
++ * Public License. See the file "COPYING.LIB" in the main directory of this
++ * archive for more details.
++ */
++#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
+diff --git a/libc/sysdeps/linux/avr32/sys/elf.h b/libc/sysdeps/linux/avr32/sys/elf.h
+new file mode 100644
+index 0000000..faa7310
+--- /dev/null
++++ b/libc/sysdeps/linux/avr32/sys/elf.h
+@@ -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 */
+diff --git a/libc/sysdeps/linux/avr32/sys/procfs.h b/libc/sysdeps/linux/avr32/sys/procfs.h
+new file mode 100644
+index 0000000..3b37363
+--- /dev/null
++++ b/libc/sysdeps/linux/avr32/sys/procfs.h
+@@ -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 */
+diff --git a/libc/sysdeps/linux/avr32/sys/ucontext.h b/libc/sysdeps/linux/avr32/sys/ucontext.h
+new file mode 100644
+index 0000000..82c7fe2
+--- /dev/null
++++ b/libc/sysdeps/linux/avr32/sys/ucontext.h
+@@ -0,0 +1,90 @@
++/* 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 sigcontext mcontext_t;
++
++/* Userlevel context. */
++typedef struct ucontext
++{
++ unsigned long uc_flags;
++ struct ucontext *uc_link;
++ stack_t uc_stack;
++ mcontext_t uc_mcontext;
++ sigset_t uc_sigmask; /* mask last for extensibility */
++} ucontext_t;
++
++#endif /* sys/ucontext.h */
+diff --git a/libc/sysdeps/linux/avr32/sys/user.h b/libc/sysdeps/linux/avr32/sys/user.h
+new file mode 100644
+index 0000000..c0b3d38
+--- /dev/null
++++ b/libc/sysdeps/linux/avr32/sys/user.h
+@@ -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 */
+diff --git a/libc/sysdeps/linux/avr32/syscall.S b/libc/sysdeps/linux/avr32/syscall.S
+new file mode 100644
+index 0000000..55c1b1f
+--- /dev/null
++++ b/libc/sysdeps/linux/avr32/syscall.S
+@@ -0,0 +1,71 @@
++/*
++ * Copyright (C) 2004-2007 Atmel Corporation
++ *
++ * This file is subject to the terms and conditions of the GNU Lesser General
++ * Public License. See the file "COPYING.LIB" in the main directory of this
++ * archive for more details.
++ */
++#include <features.h>
++
++ .text
++
++ /*
++ * long int syscall(long int sysno, ...)
++ */
++ .global syscall
++ .type syscall, @function
++ .align 2
++syscall:
++ stm --sp, r3,r5,r6,lr
++ sub lr, sp, -16
++ mov r8, r12
++ ldm lr, r3,r5,r9-r12
++ scall
++ cp.w r12, -4095
++ brlo .Ldone
++
++#ifdef __PIC__
++ lddpc r6, .Lgot
++.Lgotcalc:
++ rsub r6, pc
++# ifdef __UCLIBC_HAS_THREADS__
++ rsub r3, r12, 0
++ mcall r6[__errno_location@got]
++ st.w r12[0], r3
++# else
++ ld.w r3, r6[errno@got]
++ neg r12
++ st.w r3[0], r12
++# endif
++#else
++# ifdef __UCLIBC_HAS_THREADS__
++ rsub r3, r12, 0
++ mcall .Lerrno_location
++ st.w r12[0], r3
++# else
++ lddpc r3, .Lerrno
++ neg r12
++ st.w r3[0], r12
++# endif
++#endif
++ mov r12, -1
++
++.Ldone:
++ ldm sp++, r3,r5,r6,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
+diff --git a/libc/sysdeps/linux/avr32/vfork.S b/libc/sysdeps/linux/avr32/vfork.S
+new file mode 100644
+index 0000000..03ca99f
+--- /dev/null
++++ b/libc/sysdeps/linux/avr32/vfork.S
+@@ -0,0 +1,58 @@
++/*
++ * Copyright (C) 2005 Atmel Corporation
++ *
++ * This file is subject to the terms and conditions of the GNU Lesser General
++ * Public License. See the file "COPYING.LIB" in the main directory of this
++ * archive for more details.
++ */
++
++/*
++ * 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_alias(__vfork,vfork)
++libc_hidden_weak(vfork)
+diff --git a/libpthread/linuxthreads.old/sysdeps/avr32/pt-machine.h b/libpthread/linuxthreads.old/sysdeps/avr32/pt-machine.h
+new file mode 100644
+index 0000000..eccf329
+--- /dev/null
++++ b/libpthread/linuxthreads.old/sysdeps/avr32/pt-machine.h
+@@ -0,0 +1,73 @@
++/* Machine-dependent pthreads configuration and inline functions.
++ *
++ * Copyright (C) 2005-2007 Atmel Corporation
++ *
++ * This file is subject to the terms and conditions of the GNU Lesser General
++ * Public License. See the file "COPYING.LIB" in the main directory of this
++ * archive for more details.
++ */
++#ifndef _PT_MACHINE_H
++#define _PT_MACHINE_H 1
++
++#include <features.h>
++
++static inline int
++_test_and_set (int *p, int v)
++{
++ int result;
++
++ __asm__ __volatile__(
++ "/* Inline test and set */\n"
++ " xchg %[old], %[mem], %[new]"
++ : [old] "=&r"(result)
++ : [mem] "r"(p), [new] "r"(v)
++ : "memory");
++
++ return result;
++}
++
++#ifndef PT_EI
++# define PT_EI extern inline
++#endif
++
++extern long int testandset (int *spinlock);
++extern int __compare_and_swap (long int *p, long int oldval, long int newval);
++
++/* Spinlock implementation; required. */
++PT_EI long int
++testandset (int *spinlock)
++{
++ return _test_and_set(spinlock, 1);
++}
++
++
++/* Get some notion of the current stack. Need not be exactly the top
++ of the stack, just something somewhere in the current frame. */
++#define CURRENT_STACK_FRAME stack_pointer
++register char * stack_pointer __asm__ ("sp");
++
++/* Compare-and-swap for semaphores. */
++
++#define HAS_COMPARE_AND_SWAP
++PT_EI int
++__compare_and_swap(long int *p, long int oldval, long int newval)
++{
++ long int result;
++
++ __asm__ __volatile__(
++ "/* Inline compare and swap */\n"
++ "1: ssrf 5\n"
++ " ld.w %[result], %[mem]\n"
++ " eor %[result], %[old]\n"
++ " brne 2f\n"
++ " stcond %[mem], %[new]\n"
++ " brne 1b\n"
++ "2:"
++ : [result] "=&r"(result), [mem] "=m"(*p)
++ : "m"(*p), [new] "r"(newval), [old] "r"(oldval)
++ : "cc", "memory");
++
++ return result == 0;
++}
++
++#endif /* pt-machine.h */
+diff --git a/libpthread/linuxthreads/sysdeps/avr32/pt-machine.h b/libpthread/linuxthreads/sysdeps/avr32/pt-machine.h
+new file mode 100644
+index 0000000..fe12bf8
+--- /dev/null
++++ b/libpthread/linuxthreads/sysdeps/avr32/pt-machine.h
+@@ -0,0 +1,73 @@
++/* Machine-dependent pthreads configuration and inline functions.
++ *
++ * Copyright (C) 2005-2007 Atmel Corporation
++ *
++ * This file is subject to the terms and conditions of the GNU Lesser General
++ * Public License. See the file "COPYING.LIB" in the main directory of this
++ * archive for more details.
++ */
++#ifndef _PT_MACHINE_H
++#define _PT_MACHINE_H 1
++
++#include <features.h>
++
++static inline int
++_test_and_set (int *p, int v) __THROW
++{
++ int result;
++
++ __asm__ __volatile__(
++ "/* Inline test and set */\n"
++ " xchg %[old], %[mem], %[new]"
++ : [old] "=&r"(result)
++ : [mem] "r"(p), [new] "r"(v)
++ : "memory");
++
++ return result;
++}
++
++#ifndef PT_EI
++# define PT_EI extern inline
++#endif
++
++extern long int testandset (int *spinlock);
++extern int __compare_and_swap (long int *p, long int oldval, long int newval);
++
++/* Spinlock implementation; required. */
++PT_EI long int
++testandset (int *spinlock)
++{
++ return _test_and_set(spinlock, 1);
++}
++
++
++/* Get some notion of the current stack. Need not be exactly the top
++ of the stack, just something somewhere in the current frame. */
++#define CURRENT_STACK_FRAME stack_pointer
++register char * stack_pointer __asm__ ("sp");
++
++/* Compare-and-swap for semaphores. */
++
++#define HAS_COMPARE_AND_SWAP
++PT_EI int
++__compare_and_swap(long int *p, long int oldval, long int newval)
++{
++ int result;
++
++ __asm__ __volatile__(
++ "/* Inline compare and swap */\n"
++ "1: ssrf 5\n"
++ " ld.w %[result], %[mem]\n"
++ " eor %[result], %[old]\n"
++ " brne 2f\n"
++ " stcond %[mem], %[new]\n"
++ " brne 1b\n"
++ "2:"
++ : [result] "=&r"(result), [mem] "=m"(*p)
++ : "m"(*p), [new] "r"(newval), [old] "r"(oldval)
++ : "cc", "memory");
++
++ return result == 0;
++}
++
++#endif /* pt-machine.h */
+diff --git a/utils/ldd.c b/utils/ldd.c
+index 75ad628..e34acd9 100644
+--- a/utils/ldd.c
++++ b/utils/ldd.c
+@@ -44,6 +44,11 @@
+ #define ELFCLASSM ELFCLASS32
+ #endif
+
++#if defined(__avr32__)
++#define MATCH_MACHINE(x) (x == EM_AVR32)
++#define ELFCLASSM ELFCLASS32
++#endif
++
+ #if defined(__s390__)
+ #define MATCH_MACHINE(x) (x == EM_S390)
+ #define ELFCLASSM ELFCLASS32