diff options
Diffstat (limited to 'toolchain/uClibc/uClibc-0.9.29-avr32.patch')
| -rw-r--r-- | toolchain/uClibc/uClibc-0.9.29-avr32.patch | 3579 |
1 files changed, 0 insertions, 3579 deletions
diff --git a/toolchain/uClibc/uClibc-0.9.29-avr32.patch b/toolchain/uClibc/uClibc-0.9.29-avr32.patch deleted file mode 100644 index 4c6addfd3..000000000 --- a/toolchain/uClibc/uClibc-0.9.29-avr32.patch +++ /dev/null @@ -1,3579 +0,0 @@ -diff --git a/.gitignore b/.gitignore -new file mode 100644 -index 0000000..f474699 ---- /dev/null -+++ b/.gitignore -@@ -0,0 +1,63 @@ -+# -+# NOTE! Don't add files that are generated in specific -+# subdirectories here. Add them in the ".gitignore" file -+# in that subdirectory instead. -+# -+# Normal rules -+# -+.* -+*.o -+*.a -+*.so -+*.os -+*.oS -+.config* -+ -+# -+# Top-level generic files -+# -+obj.* -+ -+# -+# Generated files -+# -+extra/config/conf -+extra/config/lex.zconf.c -+extra/config/lkc_defs.h -+extra/config/mconf -+extra/config/zconf.hash.c -+extra/config/zconf.tab.c -+extra/config/zconf.tab.h -+ -+lib -+ -+include/asm -+include/asm-* -+include/bits -+include/linux -+ -+include/sys/acct.h -+include/sys/elf.h -+include/sys/epoll.h -+include/sys/inotify.h -+include/sys/io.h -+include/sys/prctl.h -+include/sys/procfs.h -+include/sys/ptrace.h -+include/sys/ucontext.h -+include/sys/user.h -+ -+include/dl-osinfo.h -+include/fpu_control.h -+include/hp-timing.h -+include/pthread.h -+include/semaphore.h -+include/thread_db.h -+ -+ldso/include/dl-debug.h -+ldso/include/dl-startup.h -+ldso/include/dl-syscalls.h -+ldso/include/dl-sysdep.h -+ldso/include/elf.h -+ -+libc/misc/internals/interp.c -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/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..7359a64 ---- /dev/null -+++ b/libc/string/avr32/memcmp.S -@@ -0,0 +1,58 @@ -+/* -+ * 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: -+ psub.b r9, r8, r9 -+ bfextu r8, r9, 24, 8 -+ retne r8 -+ bfextu r8, r9, 16, 8 -+ retne r8 -+ bfextu r8, r9, 8, 8 -+ retne r8 -+ retal r9 -+ -+ .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..3e132d0 ---- /dev/null -+++ b/libc/sysdeps/linux/avr32/crti.S -@@ -0,0 +1,17 @@ -+ -+ .section .init -+ .align 2 -+ .global _init -+ .type _init, @function -+_init: -+ /* Use a four-byte instruction to avoid NOPs */ -+ stm --sp, r0-r7,lr -+ .align 2 -+ -+ .section .fini -+ .align 2 -+ .global _fini -+ .type _fini, @function -+_fini: -+ stm --sp, r0-r7,lr -+ .align 2 -diff --git a/libc/sysdeps/linux/avr32/crtn.S b/libc/sysdeps/linux/avr32/crtn.S -new file mode 100644 -index 0000000..577adcc ---- /dev/null -+++ b/libc/sysdeps/linux/avr32/crtn.S -@@ -0,0 +1,14 @@ -+ -+ .section .init -+ .align 2 -+ .global _init -+ .type _init, @function -+ ldm sp++, r0-r7,pc -+ .size _init, . - _init -+ -+ .section .fini -+ .align 2 -+ .global _fini -+ .type _fini, @function -+ ldm sp++, r0-r7,pc -+ .size _fini, . - _fini -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..2e8a33b ---- /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; -+} -+ -+#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 |