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openwrt-xburst/toolchain/uClibc/patches/007-avr32.patch
kaloz c289fe9d28 sync AVR32 patches with upstream 
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@10411 3c298f89-4303-0410-b956-a3cf2f4a3e73
2008-02-07 20:05:11 +00:00

3547 lines
97 KiB
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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
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