diff options
Diffstat (limited to 'toolchain/uClibc')
5 files changed, 3721 insertions, 1 deletions
diff --git a/toolchain/uClibc/Config.in b/toolchain/uClibc/Config.in index ed706b93c..386f8c9a4 100644 --- a/toolchain/uClibc/Config.in +++ b/toolchain/uClibc/Config.in @@ -14,7 +14,6 @@ choice bool "uClibc 0.9.28.3" config BR2_UCLIBC_VERSION_0_9_29 - depends !BR2_avr32 bool "uClibc 0.9.29" config BR2_UCLIBC_VERSION_SNAPSHOT diff --git a/toolchain/uClibc/uClibc-0.9.29-avr32.patch b/toolchain/uClibc/uClibc-0.9.29-avr32.patch new file mode 100644 index 000000000..4c6addfd3 --- /dev/null +++ b/toolchain/uClibc/uClibc-0.9.29-avr32.patch @@ -0,0 +1,3579 @@ +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 diff --git a/toolchain/uClibc/uClibc-0.9.29-fix-inverted-login-in-compare_and_swap-in-linuxthreads.patch b/toolchain/uClibc/uClibc-0.9.29-fix-inverted-login-in-compare_and_swap-in-linuxthreads.patch new file mode 100644 index 000000000..0cb0d1780 --- /dev/null +++ b/toolchain/uClibc/uClibc-0.9.29-fix-inverted-login-in-compare_and_swap-in-linuxthreads.patch @@ -0,0 +1,28 @@ +From: Haavard Skinnemoen <hskinnemoen@atmel.com> +Date: Wed, 19 Sep 2007 10:03:36 +0200 +Subject: [Avr-gnu-toolchain] [uClibc PATCH] Fix inverted logic in + __compare_and_swap in linuxthreads.old + +If the old value equals the value in memory, the result should be +TRUE, not FALSE. + +Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com> +--- + .../linuxthreads.old/sysdeps/avr32/pt-machine.h | 2 +- + 1 files changed, 1 insertions(+), 1 deletions(-) + +diff --git a/libpthread/linuxthreads.old/sysdeps/avr32/pt-machine.h b/libpthread/linuxthreads.old/sysdeps/avr32/pt-machine.h +index 2e8a33b..eccf329 100644 +--- a/libpthread/linuxthreads.old/sysdeps/avr32/pt-machine.h ++++ b/libpthread/linuxthreads.old/sysdeps/avr32/pt-machine.h +@@ -67,7 +67,7 @@ __compare_and_swap(long int *p, long int oldval, long int newval) + : "m"(*p), [new] "r"(newval), [old] "r"(oldval) + : "cc", "memory"); + +- return result; ++ return result == 0; + } + + #endif /* pt-machine.h */ +-- +1.5.3.1 diff --git a/toolchain/uClibc/uClibc-0.9.29-fix-resolve-in-etc-hosts.patch b/toolchain/uClibc/uClibc-0.9.29-fix-resolve-in-etc-hosts.patch new file mode 100644 index 000000000..a64bd4cda --- /dev/null +++ b/toolchain/uClibc/uClibc-0.9.29-fix-resolve-in-etc-hosts.patch @@ -0,0 +1,46 @@ +From 91cb4bb00e4d9463c0d41015152daa4b39acf762 Mon Sep 17 00:00:00 2001 +From: Hans-Christian Egtvedt <hcegtvedt@atmel.com> +Date: Tue, 18 Sep 2007 10:15:05 +0200 +Subject: [PATCH] Fix resolve when identical IPv4 and IPv6 hosts are defined in /etc/hosts + +This patch will fix a problem when the same host is defined with both IPv4 and +IPv6 entries in /etc/hosts. Previous only the first of these host would work, +as uClibc would read the /etc/hosts file from top to bottom, failing if the +first hit did not match the IP type. + +Now uClibc will continue reading, even if the first correct entry name, but wrong IP +type fails. Thus, allowing a second correct entry name with correct IP type +will result in a name resolve. + +Signed-off-by: Hans-Christian Egtvedt <hcegtvedt@atmel.com> +--- + libc/inet/resolv.c | 6 +++--- + 1 files changed, 3 insertions(+), 3 deletions(-) + +diff --git a/libc/inet/resolv.c b/libc/inet/resolv.c +index f4e6cac..9cdc3fe 100644 +--- a/libc/inet/resolv.c ++++ b/libc/inet/resolv.c +@@ -1643,7 +1643,7 @@ int attribute_hidden __read_etc_hosts_r(FILE * fp, const char * name, int type, + *result=result_buf; + ret=NETDB_SUCCESS; + #ifdef __UCLIBC_HAS_IPV6__ +- } else if (type == AF_INET6 && inet_pton(AF_INET6, alias[0], in6) > 0) { ++ } else if (type == AF_INET6 && inet_pton(AF_INET6, alias[0], in6) > 0) { + DPRINTF("Found INET6\n"); + addr_list6[0] = in6; + addr_list6[1] = 0; +@@ -1658,8 +1658,8 @@ int attribute_hidden __read_etc_hosts_r(FILE * fp, const char * name, int type, + } else { + DPRINTF("Error\n"); + ret=TRY_AGAIN; +- break; /* bad ip address */ +- } ++ continue; /* bad ip address, keep searching */ ++ } + + if (action!=GETHOSTENT) { + fclose(fp); +-- +1.5.2.5 + diff --git a/toolchain/uClibc/uClibc-0.9.29-load-got-pointer-at-the-beginning-of-init-and-fini.patch b/toolchain/uClibc/uClibc-0.9.29-load-got-pointer-at-the-beginning-of-init-and-fini.patch new file mode 100644 index 000000000..27aa5a59c --- /dev/null +++ b/toolchain/uClibc/uClibc-0.9.29-load-got-pointer-at-the-beginning-of-init-and-fini.patch @@ -0,0 +1,68 @@ +From: Haavard Skinnemoen <hskinnemoen@atmel.com> +Date: Wed, 19 Sep 2007 10:03:35 +0200 +Subject: [Avr-gnu-toolchain] [uClibc PATCH] Load GOT pointer at the + beginning of .init and .fini + +I don't know why this seems to have worked before, but the .init and +.fini sections typically consist of a bunch of mcalls using r6 as the +base pointer. This can cause "interesting" behaviour when r6 hasn't +been initialized to point to the GOT. + +Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com> +--- + libc/sysdeps/linux/avr32/crti.S | 15 ++++++++++++--- + libc/sysdeps/linux/avr32/crtn.S | 4 ++-- + 2 files changed, 14 insertions(+), 5 deletions(-) + +diff --git a/libc/sysdeps/linux/avr32/crti.S b/libc/sysdeps/linux/avr32/crti.S +index 3e132d0..660f47c 100644 +--- a/libc/sysdeps/linux/avr32/crti.S ++++ b/libc/sysdeps/linux/avr32/crti.S +@@ -4,14 +4,23 @@ + .global _init + .type _init, @function + _init: +- /* Use a four-byte instruction to avoid NOPs */ +- stm --sp, r0-r7,lr ++ stm --sp, r6, lr ++ lddpc r6, 2f ++1: rsub r6, pc ++ rjmp 3f + .align 2 ++2: .long 1b - _GLOBAL_OFFSET_TABLE_ ++3: + + .section .fini + .align 2 + .global _fini + .type _fini, @function + _fini: +- stm --sp, r0-r7,lr ++ stm --sp, r6, lr ++ lddpc r6, 2f ++1: rsub r6, pc ++ rjmp 3f + .align 2 ++2: .long 1b - _GLOBAL_OFFSET_TABLE_ ++3: +diff --git a/libc/sysdeps/linux/avr32/crtn.S b/libc/sysdeps/linux/avr32/crtn.S +index 577adcc..f7d1040 100644 +--- a/libc/sysdeps/linux/avr32/crtn.S ++++ b/libc/sysdeps/linux/avr32/crtn.S +@@ -3,12 +3,12 @@ + .align 2 + .global _init + .type _init, @function +- ldm sp++, r0-r7,pc ++ ldm sp++, r6, pc + .size _init, . - _init + + .section .fini + .align 2 + .global _fini + .type _fini, @function +- ldm sp++, r0-r7,pc ++ ldm sp++, r6, pc + .size _fini, . - _fini +-- +1.5.3.1 |