Subject: [PATCH] AVR32 Architecture support Add support for the AVR32 architecture in the core libc and build system. This also adds AVR32-ELF definitions to elf.h --- Rules.mak | 4 extra/Configs/Config.avr32 | 38 +++++ extra/Configs/Config.in | 7 + include/elf.h | 51 +++++++ libc/sysdeps/linux/avr32/Makefile | 93 +++++++++++++ libc/sysdeps/linux/avr32/__longjmp.S | 17 ++ libc/sysdeps/linux/avr32/_mmap.c | 33 ++++ libc/sysdeps/linux/avr32/bits/atomicity.h | 86 ++++++++++++ libc/sysdeps/linux/avr32/bits/byteswap.h | 80 +++++++++++ libc/sysdeps/linux/avr32/bits/endian.h | 7 + libc/sysdeps/linux/avr32/bits/fcntl.h | 167 +++++++++++++++++++++++++ libc/sysdeps/linux/avr32/bits/kernel_stat.h | 63 +++++++++ libc/sysdeps/linux/avr32/bits/kernel_types.h | 56 ++++++++ libc/sysdeps/linux/avr32/bits/machine-gmon.h | 69 ++++++++++ libc/sysdeps/linux/avr32/bits/mman.h | 95 ++++++++++++++ libc/sysdeps/linux/avr32/bits/profil-counter.h | 26 +++ libc/sysdeps/linux/avr32/bits/setjmp.h | 21 +++ libc/sysdeps/linux/avr32/bits/syscalls.h | 143 +++++++++++++++++++++ libc/sysdeps/linux/avr32/bits/wordsize.h | 1 libc/sysdeps/linux/avr32/brk.c | 23 +++ libc/sysdeps/linux/avr32/bsd-_setjmp.S | 12 + libc/sysdeps/linux/avr32/bsd-setjmp.S | 12 + libc/sysdeps/linux/avr32/clone.c | 37 +++++ libc/sysdeps/linux/avr32/crt1.S | 93 +++++++++++++ libc/sysdeps/linux/avr32/crti.S | 17 ++ libc/sysdeps/linux/avr32/crtn.S | 14 ++ libc/sysdeps/linux/avr32/mmap.c | 31 ++++ libc/sysdeps/linux/avr32/setjmp.S | 43 ++++++ libc/sysdeps/linux/avr32/sigaction.c | 49 +++++++ libc/sysdeps/linux/avr32/sigrestorer.S | 11 + libc/sysdeps/linux/avr32/sys/elf.h | 26 +++ libc/sysdeps/linux/avr32/sys/io.h | 48 +++++++ libc/sysdeps/linux/avr32/sys/procfs.h | 123 ++++++++++++++++++ libc/sysdeps/linux/avr32/sys/ucontext.h | 94 ++++++++++++++ libc/sysdeps/linux/avr32/sys/user.h | 46 ++++++ libc/sysdeps/linux/avr32/syscall.S | 81 ++++++++++++ libc/sysdeps/linux/avr32/vfork.S | 55 ++++++++ 37 files changed, 1872 insertions(+) Index: uClibc-0.9.28/extra/Configs/Config.avr32 =================================================================== --- /dev/null 1970-01-01 00:00:00.000000000 +0000 +++ uClibc-0.9.28/extra/Configs/Config.avr32 2006-05-05 09:27:17.000000000 +0200 @@ -0,0 +1,38 @@ +# +# For a description of the syntax of this configuration file, +# see extra/config/Kconfig-language.txt +# + +config HAVE_ELF + bool + default y + +config TARGET_ARCH + default "avr32" + +config ARCH_CFLAGS + string + +config ARCH_LDFLAGS + string + +config LIBGCC_CFLAGS + string + +config ARCH_SUPPORTS_BIG_ENDIAN + bool + default y + +config UCLIBC_COMPLETELY_PIC + select FORCE_SHAREABLE_TEXT_SEGMENTS + bool + default y + +choice + prompt "Target CPU Type" + default CONFIG_AP7000 + +config CONFIG_AP7000 + bool "AP7000" + +endchoice Index: uClibc-0.9.28/extra/Configs/Config.in =================================================================== --- uClibc-0.9.28.orig/extra/Configs/Config.in 2006-04-19 12:47:48.000000000 +0200 +++ uClibc-0.9.28/extra/Configs/Config.in 2006-04-19 12:48:33.000000000 +0200 @@ -16,6 +16,9 @@ config TARGET_alpha config TARGET_arm bool "arm" +config TARGET_avr32 + bool "avr32" + config TARGET_bfin bool "bfin" @@ -83,6 +86,10 @@ if TARGET_arm source "extra/Configs/Config.arm" endif +if TARGET_avr32 +source "extra/Configs/Config.avr32" +endif + if TARGET_bfin source "extra/Configs/Config.bfin" endif Index: uClibc-0.9.28/include/elf.h =================================================================== --- uClibc-0.9.28.orig/include/elf.h 2006-04-19 12:47:48.000000000 +0200 +++ uClibc-0.9.28/include/elf.h 2006-05-05 09:28:38.000000000 +0200 @@ -261,6 +261,8 @@ typedef struct #define EM_NIOS32 0xfebb /* Altera Nios 32 */ #define EM_ALTERA_NIOS2 0x9ee5 /* Altera Nios II */ +#define EM_AVR32 0x18ad + /* V850 backend magic number. Written in the absense of an ABI. */ #define EM_CYGNUS_V850 0x9080 @@ -2687,6 +2689,55 @@ typedef Elf32_Addr Elf32_Conflict; /* Keep this the last entry. */ #define R_V850_NUM 25 +/* Atmel AVR32 relocations. */ +#define R_AVR32_NONE 0 +#define R_AVR32_32 1 +#define R_AVR32_16 2 +#define R_AVR32_8 3 +#define R_AVR32_32_PCREL 4 +#define R_AVR32_16_PCREL 5 +#define R_AVR32_8_PCREL 6 +#define R_AVR32_DIFF32 7 +#define R_AVR32_DIFF16 8 +#define R_AVR32_DIFF8 9 +#define R_AVR32_GOT32 10 +#define R_AVR32_GOT16 11 +#define R_AVR32_GOT8 12 +#define R_AVR32_21S 13 +#define R_AVR32_16U 14 +#define R_AVR32_16S 15 +#define R_AVR32_8S 16 +#define R_AVR32_8S_EXT 17 +#define R_AVR32_22H_PCREL 18 +#define R_AVR32_18W_PCREL 19 +#define R_AVR32_16B_PCREL 20 +#define R_AVR32_16N_PCREL 21 +#define R_AVR32_14UW_PCREL 22 +#define R_AVR32_11H_PCREL 23 +#define R_AVR32_10UW_PCREL 24 +#define R_AVR32_9H_PCREL 25 +#define R_AVR32_9UW_PCREL 26 +#define R_AVR32_HI16 27 +#define R_AVR32_LO16 28 +#define R_AVR32_GOTPC 29 +#define R_AVR32_GOTCALL 30 +#define R_AVR32_LDA_GOT 31 +#define R_AVR32_GOT21S 32 +#define R_AVR32_GOT18SW 33 +#define R_AVR32_GOT16S 34 +#define R_AVR32_GOT7UW 35 +#define R_AVR32_32_CPENT 36 +#define R_AVR32_CPCALL 37 +#define R_AVR32_16_CP 38 +#define R_AVR32_9W_CP 39 +#define R_AVR32_RELATIVE 40 +#define R_AVR32_GLOB_DAT 41 +#define R_AVR32_JMP_SLOT 42 +#define R_AVR32_ALIGN 43 +#define R_AVR32_NUM 44 + +/* AVR32 dynamic tags */ +#define DT_AVR32_GOTSZ 0x70000001 /* Total size of GOT in bytes */ #define R_H8_NONE 0 #define R_H8_DIR32 1 Index: uClibc-0.9.28/libc/sysdeps/linux/avr32/Makefile =================================================================== --- /dev/null 1970-01-01 00:00:00.000000000 +0000 +++ uClibc-0.9.28/libc/sysdeps/linux/avr32/Makefile 2006-04-19 12:48:33.000000000 +0200 @@ -0,0 +1,93 @@ +# Makefile for uClibc +# +# Copyright (C) 2000-2003 Erik Andersen +# +# This program is free software; you can redistribute it and/or modify it under +# the terms of the GNU Library General Public License as published by the Free +# Software Foundation; either version 2 of the License, or (at your option) any +# later version. +# +# This program is distributed in the hope that it will be useful, but WITHOUT +# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +# FOR A PARTICULAR PURPOSE. See the GNU Library General Public License for more +# details. +# +# You should have received a copy of the GNU Library General Public License +# along with this program; if not, write to the Free Software Foundation, Inc., +# 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + +TOPDIR=../../../../ +include $(TOPDIR)Rules.mak +ASFLAGS=$(CFLAGS) + +CRT_SRC = crt1.S +CRT_OBJ = crt1.o +SCRT_OBJ = $(patsubst %,S%, $(CRT_OBJ)) +CTOR_TARGETS=$(TOPDIR)lib/crti.o $(TOPDIR)lib/crtn.o + +SSRC=__longjmp.S setjmp.S bsd-setjmp.S vfork.S \ + bsd-_setjmp.S sigrestorer.S syscall.S +SOBJS=$(patsubst %.S,%.o, $(SSRC)) + +CSRC=clone.c brk.c sigaction.c mmap.c +COBJS=$(patsubst %.c,%.o, $(CSRC)) + +OBJS=$(SOBJS) $(COBJS) + +OBJ_LIST=../../../obj.sysdeps.$(TARGET_ARCH) + +all: $(OBJ_LIST) + +$(OBJ_LIST): $(OBJS) $(CRT_OBJ) $(SCRT_OBJ) $(CTOR_TARGETS) + echo $(patsubst %, sysdeps/linux/$(TARGET_ARCH)/%, $(OBJS)) > $(OBJ_LIST) + $(INSTALL) -d $(TOPDIR)lib/ + cp $(CRT_OBJ) $(SCRT_OBJ) $(TOPDIR)lib/ + +$(CRT_OBJ): $(CRT_SRC) + $(CC) $(ASFLAGS) -DL_$* $< -c -o $*.o + $(STRIPTOOL) -x -R .note -R .comment $*.o + +$(SCRT_OBJ): $(CRT_SRC) + $(CC) $(ASFLAGS) $(PIEFLAG) -DL_$* $< -c -o $*.o + $(STRIPTOOL) -x -R .note -R .comment $*.o + +$(SOBJS): %.o : %.S + $(CC) $(ASFLAGS) -c $< -o $@ + $(STRIPTOOL) -x -R .note -R .comment $*.o + +$(COBJS): %.o : %.c + $(CC) $(CFLAGS) -c $< -o $@ + $(STRIPTOOL) -x -R .note -R .comment $*.o + +ifeq ($(strip $(UCLIBC_CTOR_DTOR)),y) +crti.o: crti.S + $(CC) $(ASFLAGS) -c crti.S -o crti.o + +$(TOPDIR)lib/crti.o: crti.o + $(INSTALL) -d $(TOPDIR)lib/ + cp crti.o $(TOPDIR)lib/ + +crtn.o: crtn.S + $(CC) $(ASFLAGS) -c crtn.S -o crtn.o + +$(TOPDIR)lib/crtn.o: crtn.o + $(INSTALL) -d $(TOPDIR)lib/ + cp crtn.o $(TOPDIR)lib/ +else +$(TOPDIR)lib/crti.o: + $(INSTALL) -d $(TOPDIR)lib/ + $(AR) $(ARFLAGS) $(TOPDIR)lib/crti.o +$(TOPDIR)lib/crtn.o: + $(INSTALL) -d $(TOPDIR)lib/ + $(AR) $(ARFLAGS) $(TOPDIR)lib/crtn.o +endif + + +headers: +# $(LN) -fs ../libc/sysdeps/linux/avr32/fpu_control.h $(TOPDIR)/include/ + +clean: + $(RM) *.[oa] *~ core + $(RM) bits/sysnum.h + $(RM) gmon-start.S + Index: uClibc-0.9.28/libc/sysdeps/linux/avr32/__longjmp.S =================================================================== --- /dev/null 1970-01-01 00:00:00.000000000 +0000 +++ uClibc-0.9.28/libc/sysdeps/linux/avr32/__longjmp.S 2006-04-19 12:48:33.000000000 +0200 @@ -0,0 +1,17 @@ +/* longjmp for AVR32 + * + * Copyright (C) 2004 Atmel Norway AS + */ + + .global __longjmp + .type __longjmp,"function" + .align 1 +__longjmp: + ldm r12++, r0,r1,r2,r3,r4,r5,r6,r7,r8,sp,lr + mov r12, r11 /* get the return value right */ + mustr r8 /* restore status register (lower half) */ + cp r12, 0 /* can't return zero */ + frs + moveq r12, 1 + mov pc,lr + .size __longjmp, . - __longjmp Index: uClibc-0.9.28/libc/sysdeps/linux/avr32/_mmap.c =================================================================== --- /dev/null 1970-01-01 00:00:00.000000000 +0000 +++ uClibc-0.9.28/libc/sysdeps/linux/avr32/_mmap.c 2006-04-19 12:48:33.000000000 +0200 @@ -0,0 +1,33 @@ +/* Copyright (C) 2005 Atmel Norway + + This program is free software; you can redistribute it and/or modify it under + the terms of the GNU Library General Public License as published by the Free + Software Foundation; either version 2 of the License, or (at your option) any + later version. + + This program is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS + FOR A PARTICULAR PURPOSE. See the GNU Library General Public License for more + details. + + You should have received a copy of the GNU Library General Public License + along with this program; if not, write to the Free Software Foundation, Inc., + 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + + Derived in part from the Linux-8086 C library, the GNU C Library, and several + other sundry sources. Files within this library are copyright by their + respective copyright holders. + */ + +#include +#include +#include + +#define __NR_mmap2 __NR_mmap + +static _syscall6(__ptr_t, mmap2, __ptr_t, addr, size_t, len, int, prot, int, flags, int, fd, __off_t, pgoff); + +__ptr_t mmap(__ptr_t addr, size_t len, int prot, int flags, int fd, __off_t offset) +{ + return mmap2(addr, len, prot, flags, fd, offset >> 12); +} Index: uClibc-0.9.28/libc/sysdeps/linux/avr32/bits/atomicity.h =================================================================== --- /dev/null 1970-01-01 00:00:00.000000000 +0000 +++ uClibc-0.9.28/libc/sysdeps/linux/avr32/bits/atomicity.h 2006-04-19 12:48:33.000000000 +0200 @@ -0,0 +1,86 @@ +/* Low-level functions for atomic operations. AVR32 version. + Copyright (C) 1997, 1998, 1999, 2000 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#ifndef _ATOMICITY_H +#define _ATOMICITY_H 1 + +#include + +static inline int +__attribute__((unused)) +exchange_and_add (volatile uint32_t *mem, int val) +{ + int tmp, result; + + __asm__ __volatile__( + "/* Inline exchange and add */\n" + "1: ssrf 5\n" + " ld.w %0, %3\n" + " add %1, %0, %4\n" + " stcond %2, %1\n" + " brne 1b" + : "=&r"(result), "=&r"(tmp), "=m"(*mem) + : "m"(*mem), "r"(val) + : "cc", "memory"); + + return result; +} + +static inline void +__attribute__((unused)) +atomic_add (volatile uin32_t *mem, int val) +{ + int result; + + __asm__ __volatile__( + "/* Inline atomic add */\n" + "1: ssrf 5\n" + " ld.w %0, %2\n" + " add %0, %3\n" + " stcond %2, %0\n" + " brne 1b" + : "=&r"(result), "=m"(*mem) + : "m"(*mem), "r"(val) + : "cc", "memory"); +} + +static inline int +__attribute__((unused)) +compare_and_swap(volatile long int *p, long int oldval, long int newval) +{ + long int result, tmp; + + __asm__ __volatile__( + "/* Inline compare and swap */\n" + "1: ssrf 5\n" + " ld.w %1, %3\n" + " cp.w %1, %5\n" + " sreq %0\n" + " brne 2f\n" + " stcond %2, %4\n" + " brne 1b\n" + "2:" + : "=&r"(result), "=&r"(tmp), "=m"(*p) + : "m"(*p), "r"(newval), "r"(oldval) + : "cc", "memory"); + + return result; +} + +#endif /* atomicity.h */ Index: uClibc-0.9.28/libc/sysdeps/linux/avr32/bits/byteswap.h =================================================================== --- /dev/null 1970-01-01 00:00:00.000000000 +0000 +++ uClibc-0.9.28/libc/sysdeps/linux/avr32/bits/byteswap.h 2006-04-19 12:48:33.000000000 +0200 @@ -0,0 +1,80 @@ +/* Macros to swap the order of bytes in integer values. + Copyright (C) 2005 Atmel Norway. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#if !defined _BYTESWAP_H && !defined _NETINET_IN_H +# error "Never use directly; include instead." +#endif + +#ifndef _BITS_BYTESWAP_H +#define _BITS_BYTESWAP_H 1 + +/* Swap bytes in 16 bit value. */ +#if defined __GNUC__ +# define __bswap_16(x) (__extension__ __builtin_bswap_16(x)) +#else +/* This is better than nothing. */ +static __inline unsigned short int +__bswap_16 (unsigned short int __bsx) +{ + return ((((__bsx) >> 8) & 0xff) | (((__bsx) & 0xff) << 8)); +} +#endif + +/* Swap bytes in 32 bit value. */ +#if defined __GNUC__ +# define __bswap_32(x) (__extension__ __builtin_bswap_32(x)) +#else +static __inline unsigned int +__bswap_32 (unsigned int __bsx) +{ + return ((((__bsx) & 0xff000000) >> 24) | (((__bsx) & 0x00ff0000) >> 8) | + (((__bsx) & 0x0000ff00) << 8) | (((__bsx) & 0x000000ff) << 24)); +} +#endif + +#if defined __GNUC__ +/* Swap bytes in 64 bit value. */ +# define __bswap_constant_64(x) \ + ((((x) & 0xff00000000000000ull) >> 56) \ + | (((x) & 0x00ff000000000000ull) >> 40) \ + | (((x) & 0x0000ff0000000000ull) >> 24) \ + | (((x) & 0x000000ff00000000ull) >> 8) \ + | (((x) & 0x00000000ff000000ull) << 8) \ + | (((x) & 0x0000000000ff0000ull) << 24) \ + | (((x) & 0x000000000000ff00ull) << 40) \ + | (((x) & 0x00000000000000ffull) << 56)) + +# define __bswap_64(x) \ + (__extension__ \ + ({ \ + union { \ + __extension__ unsigned long long int __ll; \ + unsigned int __l[2]; \ + } __w, __r; \ + if (__builtin_constant_p(x)) \ + __r.__ll = __bswap_constant_64(x); \ + else { \ + __w.__ll = (x); \ + __r.__l[0] = __bswap_32(__w.__l[1]); \ + __r.__l[1] = __bswap_32(__w.__l[0]); \ + } \ + __r.__ll; \ + })) +#endif + +#endif /* _BITS_BYTESWAP_H */ Index: uClibc-0.9.28/libc/sysdeps/linux/avr32/bits/endian.h =================================================================== --- /dev/null 1970-01-01 00:00:00.000000000 +0000 +++ uClibc-0.9.28/libc/sysdeps/linux/avr32/bits/endian.h 2006-04-19 12:48:33.000000000 +0200 @@ -0,0 +1,7 @@ +/* AVR32 is big-endian */ + +#ifndef _ENDIAN_H +# error "Never use directly; include instead." +#endif + +#define __BYTE_ORDER __BIG_ENDIAN Index: uClibc-0.9.28/libc/sysdeps/linux/avr32/bits/fcntl.h =================================================================== --- /dev/null 1970-01-01 00:00:00.000000000 +0000 +++ uClibc-0.9.28/libc/sysdeps/linux/avr32/bits/fcntl.h 2006-04-19 12:48:33.000000000 +0200 @@ -0,0 +1,167 @@ +/* + * Copyright (C) 2004 Atmel Norway AS + * + * This file is part of the Linux kernel + */ +#ifndef _FCNTL_H +# error "Never use directly; include instead." +#endif + +#include + +/* open/fcntl - O_SYNC is only implemented on blocks devices and on files + located on an ext2 file system */ +#define O_ACCMODE 0003 +#define O_RDONLY 00 +#define O_WRONLY 01 +#define O_RDWR 02 +#define O_CREAT 0100 /* not fcntl */ +#define O_EXCL 0200 /* not fcntl */ +#define O_NOCTTY 0400 /* not fcntl */ +#define O_TRUNC 01000 /* not fcntl */ +#define O_APPEND 02000 +#define O_NONBLOCK 04000 +#define O_NDELAY O_NONBLOCK +#define O_SYNC 010000 +#define O_ASYNC 020000 + +#ifdef __USE_GNU +# define O_DIRECTORY 040000 /* must be a directory */ +# define O_NOFOLLOW 0100000 /* don't follow links */ +# define O_DIRECT 0200000 /* direct disk access */ +#endif + +#ifdef __USE_LARGEFILE64 +# define O_LARGEFILE 0400000 +#endif + +/* For now Linux has synchronisity options for data and read operations. + We define the symbols here but let them do the same as O_SYNC since + this is a superset. */ +#if defined __USE_POSIX199309 || defined __USE_UNIX98 +# define O_DSYNC O_SYNC /* Synchronize data. */ +# define O_RSYNC O_SYNC /* Synchronize read operations. */ +#endif + +#define F_DUPFD 0 /* dup */ +#define F_GETFD 1 /* get close_on_exec */ +#define F_SETFD 2 /* set/clear close_on_exec */ +#define F_GETFL 3 /* get file->f_flags */ +#define F_SETFL 4 /* set file->f_flags */ + +#ifndef __USE_FILE_OFFSET64 +# define F_GETLK 5 +# define F_SETLK 6 +# define F_SETLKW 7 +#else +# define F_GETLK F_GETLK64 +# define F_SETLK F_SETLK64 +# define F_SETLKW F_SETLKW64 +#endif +#define F_GETLK64 12 /* using 'struct flock64' */ +#define F_SETLK64 13 +#define F_SETLKW64 14 + +#if defined __USE_BSD || defined __USE_XOPEN2K +# define F_SETOWN 8 /* for sockets. */ +# define F_GETOWN 9 /* for sockets. */ +#endif + +#ifdef __USE_GNU +# define F_SETSIG 10 /* for sockets. */ +# define F_GETSIG 11 /* for sockets. */ +#endif + +#ifdef __USE_GNU +# define F_SETLEASE 1024 /* Set a lease. */ +# define F_GETLEASE 1025 /* Enquire what lease is active. */ +# define F_NOTIFY 1026 /* Request notfications on a directory. */ +#endif + +/* for F_[GET|SET]FL */ +#define FD_CLOEXEC 1 /* actually anything with low bit set goes */ + +/* for posix fcntl() and lockf() */ +#define F_RDLCK 0 +#define F_WRLCK 1 +#define F_UNLCK 2 + +/* for old implementation of bsd flock () */ +#define F_EXLCK 4 /* or 3 */ +#define F_SHLCK 8 /* or 4 */ + +/* for leases */ +#define F_INPROGRESS 16 + +#ifdef __USE_BSD +/* operations for bsd flock(), also used by the kernel implementation */ +# define LOCK_SH 1 /* shared lock */ +# define LOCK_EX 2 /* exclusive lock */ +# define LOCK_NB 4 /* or'd with one of the above to prevent + blocking */ +# define LOCK_UN 8 /* remove lock */ +#endif + +#ifdef __USE_GNU +# define LOCK_MAND 32 /* This is a mandatory flock */ +# define LOCK_READ 64 /* ... Which allows concurrent + read operations */ +# define LOCK_WRITE 128 /* ... Which allows concurrent + write operations */ +# define LOCK_RW 192 /* ... Which allows concurrent + read & write ops */ +#endif + +#ifdef __USE_GNU +/* Types of directory notifications that may be requested with F_NOTIFY. */ +# define DN_ACCESS 0x00000001 /* File accessed. */ +# define DN_MODIFY 0x00000002 /* File modified. */ +# define DN_CREATE 0x00000004 /* File created. */ +# define DN_DELETE 0x00000008 /* File removed. */ +# define DN_RENAME 0x00000010 /* File renamed. */ +# define DN_ATTRIB 0x00000020 /* File changed attibutes. */ +# define DN_MULTISHOT 0x80000000 /* Don't remove notifier. */ +#endif + +struct flock { + short l_type; + short l_whence; +#ifndef __USE_FILE_OFFSET64 + __off_t l_start; + __off_t l_len; +#else + __off64_t l_start; + __off64_t l_len; +#endif + __pid_t l_pid; +}; + +#ifdef __USE_LARGEFILE64 +struct flock64 { + short l_type; + short l_whence; + __off64_t l_start; + __off64_t l_len; + __pid_t l_pid; +}; +#endif + +/* Define some more compatibility macros to be backward compatible with + * BSD systems which did not managed to hide these kernel macros. */ +#ifdef __USE_BSD +# define FAPPEND O_APPEND +# define FFSYNC O_FSYNC +# define FASYNC O_ASYNC +# define FNONBLOCK O_NONBLOCK +# define FNDELAY O_NDELAY +#endif /* Use BSD. */ + +/* Advise to `posix_fadvise'. */ +#ifdef __USE_XOPEN2K +# define POSIX_FADV_NORMAL 0 /* No further special treatment. */ +# define POSIX_FADV_RANDOM 1 /* Expect random page references. */ +# define POSIX_FADV_SEQUENTIAL 2 /* Expect sequential page references. */ +# define POSIX_FADV_WILLNEED 3 /* Will need these pages. */ +# define POSIX_FADV_DONTNEED 4 /* Don't need these pages. */ +# define POSIX_FADV_NOREUSE 5 /* Data will be accessed once. */ +#endif Index: uClibc-0.9.28/libc/sysdeps/linux/avr32/bits/kernel_stat.h =================================================================== --- /dev/null 1970-01-01 00:00:00.000000000 +0000 +++ uClibc-0.9.28/libc/sysdeps/linux/avr32/bits/kernel_stat.h 2006-05-05 09:28:32.000000000 +0200 @@ -0,0 +1,63 @@ +#ifndef _BITS_STAT_STRUCT_H +#define _BITS_STAT_STRUCT_H + +/* + * This file provides struct stat, taken from kernel 2.6.4 + * (include/asm-avr32/stat.h revision 1.1). + */ + +struct kernel_stat { + unsigned long st_dev; + unsigned long st_ino; + unsigned short st_mode; + unsigned short st_nlink; + unsigned short st_uid; + unsigned short st_gid; + unsigned long st_rdev; + unsigned long st_size; + unsigned long st_blksize; + unsigned long st_blocks; + unsigned long st_atime; + unsigned long st_atime_nsec; + unsigned long st_mtime; + unsigned long st_mtime_nsec; + unsigned long st_ctime; + unsigned long st_ctime_nsec; + unsigned long __unused4; + unsigned long __unused5; +}; + +#define STAT_HAVE_NSEC 1 + +struct kernel_stat64 { + unsigned long long st_dev; + + unsigned long long st_ino; + unsigned int st_mode; + unsigned int st_nlink; + + unsigned long st_uid; + unsigned long st_gid; + + unsigned long long st_rdev; + + long long st_size; + unsigned long __pad1; + unsigned long st_blksize; + + unsigned long long st_blocks; + + unsigned long st_atime; + unsigned long st_atime_nsec; + + unsigned long st_mtime; + unsigned long st_mtime_nsec; + + unsigned long st_ctime; + unsigned long st_ctime_nsec; + + unsigned long __unused1; + unsigned long __unused2; +}; + +#endif /* _BITS_STAT_STRUCT_H */ Index: uClibc-0.9.28/libc/sysdeps/linux/avr32/bits/kernel_types.h =================================================================== --- /dev/null 1970-01-01 00:00:00.000000000 +0000 +++ uClibc-0.9.28/libc/sysdeps/linux/avr32/bits/kernel_types.h 2006-04-19 12:48:33.000000000 +0200 @@ -0,0 +1,56 @@ +/* Note that we use the exact same include guard #define names + * as asm/posix_types.h. This will avoid gratuitous conflicts + * with the posix_types.h kernel header, and will ensure that + * our private content, and not the kernel header, will win. + * -Erik + */ +#ifndef __ASM_AVR32_POSIX_TYPES_H +#define __ASM_AVR32_POSIX_TYPES_H + +/* + * This file is generally used by user-level software, so you need to + * be a little careful about namespace pollution etc. Also, we cannot + * assume GCC is being used. + */ + +typedef unsigned long __kernel_dev_t; +typedef unsigned long __kernel_ino_t; +typedef unsigned short __kernel_mode_t; +typedef unsigned short __kernel_nlink_t; +typedef long __kernel_off_t; +typedef int __kernel_pid_t; +typedef unsigned short __kernel_ipc_pid_t; +typedef unsigned int __kernel_uid_t; +typedef unsigned int __kernel_gid_t; +typedef unsigned long __kernel_size_t; +typedef int __kernel_ssize_t; +typedef int __kernel_ptrdiff_t; +typedef long __kernel_time_t; +typedef long __kernel_suseconds_t; +typedef long __kernel_clock_t; +typedef int __kernel_timer_t; +typedef int __kernel_clockid_t; +typedef int __kernel_daddr_t; +typedef char * __kernel_caddr_t; +typedef unsigned short __kernel_uid16_t; +typedef unsigned short __kernel_gid16_t; +typedef unsigned int __kernel_uid32_t; +typedef unsigned int __kernel_gid32_t; + +typedef unsigned short __kernel_old_uid_t; +typedef unsigned short __kernel_old_gid_t; +typedef unsigned short __kernel_old_dev_t; + +#ifdef __GNUC__ +typedef long long __kernel_loff_t; +#endif + +typedef struct { +#if defined(__USE_ALL) + int val[2]; +#else + int __val[2]; +#endif +} __kernel_fsid_t; + +#endif /* __ASM_AVR32_POSIX_TYPES_H */ Index: uClibc-0.9.28/libc/sysdeps/linux/avr32/bits/machine-gmon.h =================================================================== --- /dev/null 1970-01-01 00:00:00.000000000 +0000 +++ uClibc-0.9.28/libc/sysdeps/linux/avr32/bits/machine-gmon.h 2006-04-19 12:48:33.000000000 +0200 @@ -0,0 +1,69 @@ +/* Machine-dependent definitions for profiling support. AVR32 version. + Copyright (C) 1996, 1997, 1998 Free Software Foundation, 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. */ + +#define mcount_internal __mcount_internal + +#define _MCOUNT_DECL(frompc, selfpc) \ +static void __attribute((used)) mcount_internal(unsigned long frompc, unsigned long selfpc) + +/* + * This mcount implementation expects to get called after the prologue + * has been run. It also expects that r7 contains a valid frame + * pointer. + * + * When profiling, the compiler should generate something like this at + * each function entry: + * + * pushm r0-r7,lr // lr mandatory, others optional + * mov r7, sp + * // rest of prologue goes here + * mcall pc[.LC1 - .] + * // rest of function goes here + * .LC1: + * .long mcount + * + * or for PIC: + * + * pushm r0-r7,lr + * mov r7, sp + * // rest of prologue goes here + * lddpc r0, .LC1 + * .L1: rsub r0, pc + * mcall r0[mcount@GOT] + * // rest of function goes here + * .LC1: + * .long .L1 - _GLOBAL_OFFSET_TABLE_ + * + * This way, when mcount() is called, r7 points to the calling + * function's return address. It is guaranteed that calling mcount + * will clobber no registers except LR, which is unavoidable. + */ +#define MCOUNT asm( \ + " .align 4\n" \ + " .global _mcount\n" \ + " .type _mcount,@function\n" \ + "_mcount:\n" \ + " pushm r8-r12,lr\n" \ + " mov r11, lr\n" \ + " ld.w r12, r7[0]\n" \ + " rcall __mcount_internal\n" \ + " popm r8-r12,pc\n" \ + " .size _mcount, . - _mcount\n" \ + " .weak mcount\n" \ + " mcount = _mcount"); Index: uClibc-0.9.28/libc/sysdeps/linux/avr32/bits/mman.h =================================================================== --- /dev/null 1970-01-01 00:00:00.000000000 +0000 +++ uClibc-0.9.28/libc/sysdeps/linux/avr32/bits/mman.h 2006-04-19 12:48:33.000000000 +0200 @@ -0,0 +1,95 @@ +/* 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 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. */ + +/* 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 +#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. */ +#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 Index: uClibc-0.9.28/libc/sysdeps/linux/avr32/bits/profil-counter.h =================================================================== --- /dev/null 1970-01-01 00:00:00.000000000 +0000 +++ uClibc-0.9.28/libc/sysdeps/linux/avr32/bits/profil-counter.h 2006-04-19 12:48:33.000000000 +0200 @@ -0,0 +1,26 @@ +/* Low-level statistical profiling support function. Linux/AVR32 version. + Copyright (C) 1996, 1997, 1998, 2002 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. */ + +#include + +void +profil_counter(int signo, siginfo_t *si, struct sigcontext *sc) +{ + profil_count((void *)sc->pc); +} Index: uClibc-0.9.28/libc/sysdeps/linux/avr32/bits/setjmp.h =================================================================== --- /dev/null 1970-01-01 00:00:00.000000000 +0000 +++ uClibc-0.9.28/libc/sysdeps/linux/avr32/bits/setjmp.h 2006-04-19 12:48:33.000000000 +0200 @@ -0,0 +1,21 @@ +/* + * Copyright (C) 2004-2005 Atmel Norway + */ +#ifndef _SETJMP_H +# error "Never include directly; use 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])) Index: uClibc-0.9.28/libc/sysdeps/linux/avr32/bits/syscalls.h =================================================================== --- /dev/null 1970-01-01 00:00:00.000000000 +0000 +++ uClibc-0.9.28/libc/sysdeps/linux/avr32/bits/syscalls.h 2006-04-19 12:48:33.000000000 +0200 @@ -0,0 +1,143 @@ +#ifndef _SYSCALL_H +# error "Never use directly; include instead." +#endif + +/* + * This includes the `__NR_' syscall numbers taken from the + * Linux kernel header files. It also defines the traditional + * `SYS_' macros for older programs. + */ +#include + +#ifndef __set_errno +# define __set_errno(val) (*__errno_location()) = (val) +#endif +#ifndef SYS_ify +# define SYS_ify(syscall_name) (__NR_##syscall_name) +#endif + +#ifndef __ASSEMBLER__ + +#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 \ + : "lr", "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__ */ Index: uClibc-0.9.28/libc/sysdeps/linux/avr32/bits/wordsize.h =================================================================== --- /dev/null 1970-01-01 00:00:00.000000000 +0000 +++ uClibc-0.9.28/libc/sysdeps/linux/avr32/bits/wordsize.h 2006-04-19 12:48:33.000000000 +0200 @@ -0,0 +1 @@ +#define __WORDSIZE 32 Index: uClibc-0.9.28/libc/sysdeps/linux/avr32/brk.c =================================================================== --- /dev/null 1970-01-01 00:00:00.000000000 +0000 +++ uClibc-0.9.28/libc/sysdeps/linux/avr32/brk.c 2006-04-19 12:48:33.000000000 +0200 @@ -0,0 +1,23 @@ +/* + * Copyright (C) 2004 Atmel Norway AS + */ +#include +#include + +void *__curbrk = 0; + +int brk (void *addr) +{ + void *newbrk; + + newbrk = INLINE_SYSCALL(brk, 1, addr); + + __curbrk = newbrk; + + if (newbrk < addr) { + __set_errno (ENOMEM); + return -1; + } + + return 0; +} Index: uClibc-0.9.28/libc/sysdeps/linux/avr32/bsd-_setjmp.S =================================================================== --- /dev/null 1970-01-01 00:00:00.000000000 +0000 +++ uClibc-0.9.28/libc/sysdeps/linux/avr32/bsd-_setjmp.S 2006-05-05 09:26:42.000000000 +0200 @@ -0,0 +1,12 @@ +/* + * Copyright (C) 2004 Atmel Norway AS + */ + + /* This just does a tail-call to __sigsetjmp(env, 0) */ + .global _setjmp + .type _setjmp,"function" + .align 1 +_setjmp: + mov r11, 0 + bral __sigsetjmp_internal + .size _setjmp, . - _setjmp Index: uClibc-0.9.28/libc/sysdeps/linux/avr32/bsd-setjmp.S =================================================================== --- /dev/null 1970-01-01 00:00:00.000000000 +0000 +++ uClibc-0.9.28/libc/sysdeps/linux/avr32/bsd-setjmp.S 2006-05-05 09:26:42.000000000 +0200 @@ -0,0 +1,12 @@ +/* + * Copyright (C) 2004 Atmel Norway AS + */ + + /* This just does a tail-call to __sigsetjmp(env, 1) */ + .global setjmp + .type setjmp,"function" + .align 1 +setjmp: + mov r11, 1 + bral __sigsetjmp_internal + .size setjmp, . - setjmp Index: uClibc-0.9.28/libc/sysdeps/linux/avr32/clone.c =================================================================== --- /dev/null 1970-01-01 00:00:00.000000000 +0000 +++ uClibc-0.9.28/libc/sysdeps/linux/avr32/clone.c 2006-04-19 12:48:33.000000000 +0200 @@ -0,0 +1,37 @@ +/* + * Copyright (C) 2004 Atmel Norway AS + */ +#include +#include +#include + +/* + * 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; +} Index: uClibc-0.9.28/libc/sysdeps/linux/avr32/crt1.S =================================================================== --- /dev/null 1970-01-01 00:00:00.000000000 +0000 +++ uClibc-0.9.28/libc/sysdeps/linux/avr32/crt1.S 2006-05-05 09:28:23.000000000 +0200 @@ -0,0 +1,93 @@ +/* + * Copyright (C) 2004 Atmel Norway AS + * + * 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 + + .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 Index: uClibc-0.9.28/libc/sysdeps/linux/avr32/crti.S =================================================================== --- /dev/null 1970-01-01 00:00:00.000000000 +0000 +++ uClibc-0.9.28/libc/sysdeps/linux/avr32/crti.S 2006-04-19 12:48:33.000000000 +0200 @@ -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 Index: uClibc-0.9.28/libc/sysdeps/linux/avr32/crtn.S =================================================================== --- /dev/null 1970-01-01 00:00:00.000000000 +0000 +++ uClibc-0.9.28/libc/sysdeps/linux/avr32/crtn.S 2006-04-19 12:48:33.000000000 +0200 @@ -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 Index: uClibc-0.9.28/libc/sysdeps/linux/avr32/mmap.c =================================================================== --- /dev/null 1970-01-01 00:00:00.000000000 +0000 +++ uClibc-0.9.28/libc/sysdeps/linux/avr32/mmap.c 2006-04-19 12:48:33.000000000 +0200 @@ -0,0 +1,31 @@ +/* Copyright (C) 2005 Atmel Norway + + This program is free software; you can redistribute it and/or modify it under + the terms of the GNU Library General Public License as published by the Free + Software Foundation; either version 2 of the License, or (at your option) any + later version. + + This program is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS + FOR A PARTICULAR PURPOSE. See the GNU Library General Public License for more + details. + + You should have received a copy of the GNU Library General Public License + along with this program; if not, write to the Free Software Foundation, Inc., + 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + + Derived in part from the Linux-8086 C library, the GNU C Library, and several + other sundry sources. Files within this library are copyright by their + respective copyright holders. + */ + +#include +#include +#include + +static _syscall6(__ptr_t, mmap2, __ptr_t, addr, size_t, len, int, prot, int, flags, int, fd, __off_t, pgoff); + +__ptr_t mmap(__ptr_t addr, size_t len, int prot, int flags, int fd, __off_t offset) +{ + return mmap2(addr, len, prot, flags, fd, offset >> 12); +} Index: uClibc-0.9.28/libc/sysdeps/linux/avr32/setjmp.S =================================================================== --- /dev/null 1970-01-01 00:00:00.000000000 +0000 +++ uClibc-0.9.28/libc/sysdeps/linux/avr32/setjmp.S 2006-05-05 09:28:28.000000000 +0200 @@ -0,0 +1,43 @@ +/* + * Copyright (C) 2004 Atmel Norway AS + */ +#define _SETJMP_H +#define _ASM +#include + + .text + + .global __sigsetjmp + .type __sigsetjmp,"function" + + /* Create a global, hidden symbol for use by setjmp() and _setjmp(). + If it's not hidden, the linker will complain about a relative + jump to a dynamic symbol when building a shared library. + + Also, if a user overrides the __sigsetjmp function, he might not + expect the setjmp() and _setjmp() function to effectively be + overridden as well. */ + .global __sigsetjmp_internal + .hidden __sigsetjmp_internal + .type __sigsetjmp_internal,"function" + .align 1 +__sigsetjmp: +__sigsetjmp_internal: + 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. */ +#ifdef __PIC__ + mov r9, r6 + lddpc r6, .LG +.L1: rsub r6, pc + ld.w r8, r6[__sigjmp_save@got] + mov r6, r9 + mov pc, r8 + + .align 2 +.LG: .long .L1 - _GLOBAL_OFFSET_TABLE_ +#else + rjmp __sigjmp_save +#endif + .size __sigsetjmp, . - __sigsetjmp Index: uClibc-0.9.28/libc/sysdeps/linux/avr32/sigaction.c =================================================================== --- /dev/null 1970-01-01 00:00:00.000000000 +0000 +++ uClibc-0.9.28/libc/sysdeps/linux/avr32/sigaction.c 2006-04-19 12:48:33.000000000 +0200 @@ -0,0 +1,49 @@ +/* + * Copyright (C) 2004 Atmel Norway AS + */ +#include +#include +#include +#include +#include + +#define SA_RESTORER 0x04000000 +extern void __default_rt_sa_restorer(void); + +/* + * 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; +} + +weak_alias(__libc_sigaction, sigaction) Index: uClibc-0.9.28/libc/sysdeps/linux/avr32/sigrestorer.S =================================================================== --- /dev/null 1970-01-01 00:00:00.000000000 +0000 +++ uClibc-0.9.28/libc/sysdeps/linux/avr32/sigrestorer.S 2006-04-19 12:48:33.000000000 +0200 @@ -0,0 +1,11 @@ +/* + * Copyright (C) 2004 Atmel Norway AS + */ +#include + + .global __default_rt_sa_restorer + .type __default_rt_sa_restorer,"function" + .align 1 +__default_rt_sa_restorer: + mov r8, __NR_rt_sigreturn + scall Index: uClibc-0.9.28/libc/sysdeps/linux/avr32/sys/elf.h =================================================================== --- /dev/null 1970-01-01 00:00:00.000000000 +0000 +++ uClibc-0.9.28/libc/sysdeps/linux/avr32/sys/elf.h 2006-04-19 12:48:33.000000000 +0200 @@ -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 instead." + +#include + +#endif /* sys/elf.h */ Index: uClibc-0.9.28/libc/sysdeps/linux/avr32/sys/io.h =================================================================== --- /dev/null 1970-01-01 00:00:00.000000000 +0000 +++ uClibc-0.9.28/libc/sysdeps/linux/avr32/sys/io.h 2006-04-19 12:48:33.000000000 +0200 @@ -0,0 +1,48 @@ +/* Copyright (C) 1996, 1998, 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. */ + +#ifndef _SYS_IO_H + +#define _SYS_IO_H 1 +#include + +__BEGIN_DECLS + +/* If TURN_ON is TRUE, request for permission to do direct i/o on the + port numbers in the range [FROM,FROM+NUM-1]. Otherwise, turn I/O + permission off for that range. This call requires root privileges. */ +extern int ioperm (unsigned long int __from, unsigned long int __num, + int __turn_on) __THROW; + +/* Set the I/O privilege level to LEVEL. If LEVEL is nonzero, + permission to access any I/O port is granted. This call requires + root privileges. */ +extern int iopl (int __level) __THROW; + +/* The functions that actually perform reads and writes. */ +extern unsigned char inb (unsigned long int port) __THROW; +extern unsigned short int inw (unsigned long int port) __THROW; +extern unsigned long int inl (unsigned long int port) __THROW; + +extern void outb (unsigned char value, unsigned long int port) __THROW; +extern void outw (unsigned short value, unsigned long int port) __THROW; +extern void outl (unsigned long value, unsigned long int port) __THROW; + +__END_DECLS + +#endif /* _SYS_IO_H */ Index: uClibc-0.9.28/libc/sysdeps/linux/avr32/sys/procfs.h =================================================================== --- /dev/null 1970-01-01 00:00:00.000000000 +0000 +++ uClibc-0.9.28/libc/sysdeps/linux/avr32/sys/procfs.h 2006-04-19 12:48:33.000000000 +0200 @@ -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 +#include +#include +#include + +__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 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 */ Index: uClibc-0.9.28/libc/sysdeps/linux/avr32/sys/ucontext.h =================================================================== --- /dev/null 1970-01-01 00:00:00.000000000 +0000 +++ uClibc-0.9.28/libc/sysdeps/linux/avr32/sys/ucontext.h 2006-04-19 12:48:33.000000000 +0200 @@ -0,0 +1,94 @@ +/* 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 +#include +#include +#include + +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 + { + gregset_t gregs; + fpregset_t fpregs; + } mcontext_t; + +/* Userlevel context. */ +typedef struct ucontext +{ + unsigned long uc_flags; + struct ucontext *uc_link; + stack_t uc_stack; + struct sigcontext uc_mcontext; + sigset_t uc_sigmask; /* mask last for extensibility */ +} ucontext_t; + +#endif /* sys/ucontext.h */ Index: uClibc-0.9.28/libc/sysdeps/linux/avr32/sys/user.h =================================================================== --- /dev/null 1970-01-01 00:00:00.000000000 +0000 +++ uClibc-0.9.28/libc/sysdeps/linux/avr32/sys/user.h 2006-04-19 12:48:33.000000000 +0200 @@ -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 */ Index: uClibc-0.9.28/libc/sysdeps/linux/avr32/syscall.S =================================================================== --- /dev/null 1970-01-01 00:00:00.000000000 +0000 +++ uClibc-0.9.28/libc/sysdeps/linux/avr32/syscall.S 2006-04-19 12:48:33.000000000 +0200 @@ -0,0 +1,81 @@ +/* + * syscall for AVR32/uClibc + * + * Copyright (C) 2004 Atmel Norway + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU Library General Public License as published by + * the Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License + * for more details. + * + * You should have received a copy of the GNU Library General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#include + + .text + + /* + * long int syscall(long int sysno, ...) + */ + .global syscall + .type syscall, @function + .align 2 +syscall: + stm --sp, r3,r5,lr + sub lr, sp, -12 + mov r8, r12 + ldm lr, r3,r5,r9-r12 + scall + cp.w r12, -4095 + brlo .Ldone + +#ifdef __PIC__ + lddpc r5, .Lgot +.Lgotcalc: + rsub r5, pc +# ifdef __UCLIBC_HAS_THREADS__ + mov r3, r12 + mcall r5[__errno_location@got] + st.w r12[0], r3 +# else + ld.w r3, r5[errno@got] + st.w r3[0], r12 +# endif +#else +# ifdef __UCLIBC_HAS_THREADS__ + mov r3, r12 + mcall .Lerrno_location + st.w r12[0], r3 +# else + lddpc r3, .Lerrno + st.w r3[0], r12 +# endif +#endif + mov r12, -1 + +.Ldone: + ldm sp++, r3,r5,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 Index: uClibc-0.9.28/libc/sysdeps/linux/avr32/vfork.S =================================================================== --- /dev/null 1970-01-01 00:00:00.000000000 +0000 +++ uClibc-0.9.28/libc/sysdeps/linux/avr32/vfork.S 2006-04-19 12:48:33.000000000 +0200 @@ -0,0 +1,55 @@ + /* + * vfork for uClibc + * + * Copyright (C) 2005 Atmel Norway + */ + + /* + * 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 +#include + + .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 vfork + vfork = __vfork Index: uClibc-0.9.28/Rules.mak =================================================================== --- uClibc-0.9.28.orig/Rules.mak 2006-05-05 09:26:01.000000000 +0200 +++ uClibc-0.9.28/Rules.mak 2006-05-05 09:27:17.000000000 +0200 @@ -231,6 +231,10 @@ ifeq ($(strip $(TARGET_ARCH)),frv) UCLIBC_LDSO=ld.so.1 endif +ifeq ($(strip $(TARGET_ARCH)),avr32) + CPU_CFLAGS-$(CONFIG_AP7000) += -mcpu=ap7000 +endif + # Keep the check_gcc from being needlessly executed ifndef PIEFLAG ifneq ($(UCLIBC_BUILD_PIE),y)