--- /dev/null
+#
+# For a description of the syntax of this configuration file,
+# see extra/config/Kconfig-language.txt
+#
+
+config TARGET_ARCH
+ default "bfin"
+
+config HAVE_ELF
+ bool
+ select ARCH_HAS_NO_MMU
+ select ARCH_LITTLE_ENDIAN
+ select HAVE_NO_SHARED
+ select ARCH_HAS_NO_LDSO
+ default y
+
+config ARCH_CFLAGS
+ string
+
+config ARCH_LDFLAGS
+ string
+
+config LIBGCC_CFLAGS
+ string
+
+config HAVE_ELF
+ bool
+ default y
config TARGET_arm
bool "arm"
+config TARGET_bfin
+ bool "bfin"
+
config TARGET_cris
bool "cris"
source "extra/Configs/Config.arm"
endif
+if TARGET_bfin
+source "extra/Configs/Config.bfin"
+endif
+
if TARGET_cris
source "extra/Configs/Config.cris"
endif
--- /dev/null
+# Makefile for uClibc
+#
+# Copyright (C) 2000-2004 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
+
+TOPDIR=../../../../
+include $(TOPDIR)Rules.mak
+ASFLAGS=$(CFLAGS)
+
+CRT0_SRC = crt0.S
+CRT0_OBJ = crt0.o
+#CTOR_TARGETS=$(TOPDIR)lib/crti.o $(TOPDIR)lib/crtn.o
+CTOR_TARGETS=
+
+SSRC= __longjmp.S setjmp.S bsd-_setjmp.S vfork.S
+SOBJS=$(patsubst %.S,%.o, $(SSRC))
+
+CSRC=brk.c bsdsetjmp.c clone.c syscall.c
+COBJS=$(patsubst %.c,%.o, $(CSRC))
+
+OBJS=$(SOBJS) $(MOBJ) $(COBJS)
+
+all: $(OBJS) $(LIBC)
+
+$(LIBC): ar-target
+
+ar-target: $(OBJS) $(CRT0_OBJ) $(CTOR_TARGETS)
+ $(AR) $(ARFLAGS) $(LIBC) $(OBJS)
+ mkdir -p $(TOPDIR)lib/
+ cp $(CRT0_OBJ) $(TOPDIR)lib/
+
+$(CRT0_OBJ): $(CRT0_SRC)
+ $(CC) $(CFLAGS) -DL_$* $< -c -o $*.o
+ $(STRIPTOOL) -x -R .note -R .comment $*.o
+
+$(SOBJS): %.o : %.S
+ $(CC) $(CFLAGS) -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) $(CFLAGS) -c crti.S -o crti.o
+
+$(TOPDIR)lib/crti.o: crti.o
+ $(INSTALL) -d $(TOPDIR)lib/
+ cp crti.o $(TOPDIR)lib/
+
+crtn.o: crtn.S
+ $(CC) $(CFLAGS) -c crtn.S -o crtn.o
+
+$(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:
+
+clean:
+ $(RM) *.[oa] *~ core
+ $(RM) bits/sysnum.h
+ $(RM) $(TOPDIR)lib/crt0.o
+
--- /dev/null
+README for uClibc on the blackfin architecture
+
+developed/tested with bfin-elf-gcc 3.4.1, from
+
+Configuration:
+
+ Read and edit the Config file, carefully.
+
+ TARGET_ARCH=blackfin
+ CROSS = bfin-elf-
+ CC = $(CROSS)gcc
+ STRIPTOOL = $(CROSS)strip
+ KERNEL_SOURCE= your linux 2.6.8 kernel source tree
+ HAS_MMU = false
+ HAS_FLOATS = false
+ MALLOC = malloc-simple
+
+Problems:
+ The regular malloc library is broken. Use simple-malloc.
+
+TODO:
--- /dev/null
+/*
+ * longjmp for the Blackfin project
+ *
+ * Copyright (C) 2004,
+ * Based on code from Analog Devices.
+ *
+ * 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 _SETJMP_H
+#define _ASM
+#include <bits/setjmp.h>
+
+.globl ___longjmp;
+.align 4;
+
+___longjmp:
+ P0 = R0;
+ R0 = [P0 + 0x00];
+ [--SP] = R0; // Put P0 on the stack
+
+ P1 = [P0 + 0x04];
+ P2 = [P0 + 0x08];
+ P3 = [P0 + 0x0C];
+ P4 = [P0 + 0x10];
+ P5 = [P0 + 0x14];
+
+ FP = [P0 + 0x18];
+ R0 = [SP++]; // Grab P0 from old stack
+ SP = [P0 + 0x1C]; // Update Stack Pointer
+ [--SP] = R0; // Put P0 on new stack
+ [--SP] = R1; // Put VAL arg on new stack
+
+ R0 = [P0 + 0x20]; // Data Registers
+ R1 = [P0 + 0x24];
+ R2 = [P0 + 0x28];
+ R3 = [P0 + 0x2C];
+ R4 = [P0 + 0x30];
+ R5 = [P0 + 0x34];
+ R6 = [P0 + 0x38];
+ R7 = [P0 + 0x3C];
+
+ R0 = [P0 + 0x40];
+ ASTAT = R0;
+
+ R0 = [P0 + 0x44]; // Loop Counters
+ LC0 = R0;
+ R0 = [P0 + 0x48];
+ LC1 = R0;
+
+ R0 = [P0 + 0x4C]; // Accumulators
+ A0.W = R0;
+ R0 = [P0 + 0x50];
+ A0.X = R0;
+ R0 = [P0 + 0x54];
+ A1.W = R0;
+ R0 = [P0 + 0x58];
+ A1.X = R0;
+
+ R0 = [P0 + 0x5C]; // Index Registers
+ I0 = R0;
+ R0 = [P0 + 0x60];
+ I1 = R0;
+ R0 = [P0 + 0x64];
+ I2 = R0;
+ R0 = [P0 + 0x68];
+ I3 = R0;
+
+ R0 = [P0 + 0x6C]; // Modifier Registers
+ M0 = R0;
+ R0 = [P0 + 0x70];
+ M1 = R0;
+ R0 = [P0 + 0x74];
+ M2 = R0;
+ R0 = [P0 + 0x78];
+ M3 = R0;
+
+ R0 = [P0 + 0x7C]; // Length Registers
+ L0 = R0;
+ R0 = [P0 + 0x80];
+ L1 = R0;
+ R0 = [P0 + 0x84];
+ L2 = R0;
+ R0 = [P0 + 0x88];
+ L3 = R0;
+
+ R0 = [P0 + 0x8C]; // Base Registers
+ B0 = R0;
+ R0 = [P0 + 0x90];
+ B1 = R0;
+ R0 = [P0 + 0x94];
+ B2 = R0;
+ R0 = [P0 + 0x98];
+ B3 = R0;
+
+ R0 = [P0 + 0x9C]; // Return Address (PC)
+ RETS = R0;
+
+ R0 = [SP++];
+ P0 = [SP++];
+
+ CC = R0 == 0;
+ IF !CC JUMP finished;
+ R0 = 1;
+finished:
+ RTS;
+___longjmp.end:
--- /dev/null
+/* Blackfin is Little-endian. */
+
+#ifndef _ENDIAN_H
+# error "Never use <bits/endian.h> directly; include <endian.h> instead."
+#endif
+
+#define __BYTE_ORDER __LITTLE_ENDIAN
--- /dev/null
+/* O_*, F_*, FD_* bit values for Linux.
+ Copyright (C) 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 _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 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_FSYNC O_SYNC
+#define O_ASYNC 020000
+
+#ifdef __USE_GNU
+# define O_DIRECTORY 040000 /* Must be a directory. */
+# define O_NOFOLLOW 0100000 /* Do not follow links. */
+# define O_DIRECT 0200000 /* Direct disk access. */
+# define O_STREAMING 04000000/* streaming access */
+#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
+
+#ifdef __USE_LARGEFILE64
+# define O_LARGEFILE 0400000
+#endif
+
+/* Values for the second argument to `fcntl'. */
+#define F_DUPFD 0 /* Duplicate file descriptor. */
+#define F_GETFD 1 /* Get file descriptor flags. */
+#define F_SETFD 2 /* Set file descriptor flags. */
+#define F_GETFL 3 /* Get file status flags. */
+#define F_SETFL 4 /* Set file status flags. */
+#ifndef __USE_FILE_OFFSET64
+# define F_GETLK 5 /* Get record locking info. */
+# define F_SETLK 6 /* Set record locking info (non-blocking). */
+# define F_SETLKW 7 /* Set record locking info (blocking). */
+#else
+# define F_GETLK F_GETLK64 /* Get record locking info. */
+# define F_SETLK F_SETLK64 /* Set record locking info (non-blocking).*/
+# define F_SETLKW F_SETLKW64 /* Set record locking info (blocking). */
+#endif
+#define F_GETLK64 12 /* Get record locking info. */
+#define F_SETLK64 13 /* Set record locking info (non-blocking). */
+#define F_SETLKW64 14 /* Set record locking info (blocking). */
+
+#if defined __USE_BSD || defined __USE_XOPEN2K
+# define F_SETOWN 8 /* Get owner of socket (receiver of SIGIO). */
+# define F_GETOWN 9 /* Set owner of socket (receiver of SIGIO). */
+#endif
+
+#ifdef __USE_GNU
+# define F_SETSIG 10 /* Set number of signal to be sent. */
+# define F_GETSIG 11 /* Get number of signal to be sent. */
+#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 `l_type' field of a `struct flock' for lockf(). */
+#define F_RDLCK 0 /* Read lock. */
+#define F_WRLCK 1 /* Write lock. */
+#define F_UNLCK 2 /* Remove lock. */
+
+/* For old implementation of bsd flock(). */
+#define F_EXLCK 4 /* or 3 */
+#define F_SHLCK 8 /* or 4 */
+
+#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 operations. */
+#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 int l_type; /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK. */
+ short int l_whence; /* Where `l_start' is relative to (like `lseek'). */
+#ifndef __USE_FILE_OFFSET64
+ __off_t l_start; /* Offset where the lock begins. */
+ __off_t l_len; /* Size of the locked area; zero means until EOF. */
+#else
+ __off64_t l_start; /* Offset where the lock begins. */
+ __off64_t l_len; /* Size of the locked area; zero means until EOF. */
+#endif
+ __pid_t l_pid; /* Process holding the lock. */
+ };
+
+#ifdef __USE_LARGEFILE64
+struct flock64
+ {
+ short int l_type; /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK. */
+ short int l_whence; /* Where `l_start' is relative to (like `lseek'). */
+ __off64_t l_start; /* Offset where the lock begins. */
+ __off64_t l_len; /* Size of the locked area; zero means until EOF. */
+ __pid_t l_pid; /* Process holding the lock. */
+ };
+#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
--- /dev/null
+/* `HUGE_VAL' constants for blackfin (where it is infinity).
+ Used by <stdlib.h> and <math.h> functions for overflow.
+ Copyright (C) 1992, 1995, 1996, 1997, 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 _MATH_H
+# error "Never use <bits/huge_val.h> directly; include <math.h> instead."
+#endif
+
+#include <features.h>
+
+/* IEEE positive infinity (-HUGE_VAL is negative infinity). */
+
+#ifdef __GNUC__
+
+# if __GNUC_PREREQ(2,96)
+
+# define HUGE_VAL (__extension__ 0x1.0p2047)
+
+# else
+
+# define HUGE_VAL \
+ (__extension__ \
+ ((union { unsigned __l __attribute__((__mode__(__DI__))); double __d; }) \
+ { __l: 0x000000007ff00000ULL }).__d)
+
+# endif
+
+#else /* not GCC */
+
+# include <endian.h>
+
+typedef union { unsigned char __c[8]; double __d; } __huge_val_t;
+
+# if __BYTE_ORDER == __BIG_ENDIAN
+# define __HUGE_VAL_bytes { 0, 0, 0, 0, 0x7f, 0xf0, 0, 0 }
+# endif
+# if __BYTE_ORDER == __LITTLE_ENDIAN
+# define __HUGE_VAL_bytes { 0, 0, 0xf0, 0x7f, 0, 0, 0, 0 }
+# endif
+
+static __huge_val_t __huge_val = { __HUGE_VAL_bytes };
+# define HUGE_VAL (__huge_val.__d)
+
+#endif /* GCC. */
+
+
+/* ISO C99 extensions: (float) HUGE_VALF and (long double) HUGE_VALL. */
+
+#ifdef __USE_ISOC99
+
+# ifdef __GNUC__
+
+# if __GNUC_PREREQ(2,96)
+
+# define HUGE_VALF (__extension__ 0x1.0p255f)
+
+# else
+
+# define HUGE_VALF \
+ (__extension__ \
+ ((union { unsigned __l __attribute__((__mode__(__SI__))); float __d; }) \
+ { __l: 0x7f800000UL }).__d)
+
+# endif
+
+# else /* not GCC */
+
+typedef union { unsigned char __c[4]; float __f; } __huge_valf_t;
+
+# if __BYTE_ORDER == __BIG_ENDIAN
+# define __HUGE_VALF_bytes { 0x7f, 0x80, 0, 0 }
+# endif
+# if __BYTE_ORDER == __LITTLE_ENDIAN
+# define __HUGE_VALF_bytes { 0, 0, 0x80, 0x7f }
+# endif
+
+static __huge_valf_t __huge_valf = { __HUGE_VALF_bytes };
+# define HUGE_VALF (__huge_valf.__f)
+
+# endif /* GCC. */
+
+
+/* Generally there is no separate `long double' format and it is the
+ same as `double'. */
+# define HUGE_VALL HUGE_VAL
+
+#endif /* __USE_ISOC99. */
--- /dev/null
+#ifndef _BITS_STAT_STRUCT_H
+#define _BITS_STAT_STRUCT_H
+
+/* This file provides whatever this particular arch's kernel thinks
+ * struct kernel_stat should look like... It turns out each arch has a
+ * different opinion on the subject... */
+
+struct kernel_stat {
+ unsigned short st_dev;
+ unsigned short __pad1;
+ unsigned long st_ino;
+ unsigned short st_mode;
+ unsigned short st_nlink;
+ unsigned short st_uid;
+ unsigned short st_gid;
+ unsigned short st_rdev;
+ unsigned short __pad2;
+ unsigned long st_size;
+ unsigned long st_blksize;
+ unsigned long st_blocks;
+ unsigned long st_atime;
+ unsigned long __unused1;
+ unsigned long st_mtime;
+ unsigned long __unused2;
+ unsigned long st_ctime;
+ unsigned long __unused3;
+ unsigned long __unused4;
+ unsigned long __unused5;
+};
+
+struct kernel_stat64 {
+ unsigned char __pad0[6];
+ unsigned short st_dev;
+ unsigned char __pad1[2];
+#define _HAVE_STAT64___ST_INO
+ unsigned long __st_ino;
+ unsigned int st_mode;
+ unsigned int st_nlink;
+ unsigned long st_uid;
+ unsigned long st_gid;
+ unsigned char __pad2[6];
+ unsigned short st_rdev;
+ unsigned char __pad3[2];
+ long long st_size;
+ unsigned long st_blksize;
+ unsigned long __pad4; /* future possible st_blocks high bits */
+ unsigned long st_blocks; /* Number 512-byte blocks allocated. */
+ unsigned long st_atime;
+ unsigned long __pad5;
+ unsigned long st_mtime;
+ unsigned long __pad6;
+ unsigned long st_ctime;
+ unsigned long __pad7; /* will be high 32 bits of ctime someday */
+ unsigned long long st_ino;
+};
+#endif /* _BITS_STAT_STRUCT_H */
+
--- /dev/null
+/* 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 __ARCH_BFIN_POSIX_TYPES_H
+#define __ARCH_BFIN_POSIX_TYPES_H
+typedef unsigned short __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 short __kernel_uid_t;
+typedef unsigned short __kernel_gid_t;
+typedef unsigned int __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_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 long long __kernel_loff_t;
+
+typedef struct {
+#ifdef __USE_ALL
+ int val[2];
+#else
+ int __val[2];
+#endif
+} __kernel_fsid_t;
+
+#endif /* __ARCH_BFIN_POSIX_TYPES_H */
--- /dev/null
+/* Definitions for POSIX memory map interface. Linux/m68k version.
+ Copyright (C) 1997 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 use <bits/mman.h> directly; include <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. */
+
+/* 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. */
+#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
+
+/* Advice 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
--- /dev/null
+/* Copyright (C) 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 Library General Public License as
+ published by the Free Software Foundation; either version 2 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+/* Define the machine-dependent type `jmp_buf'. bfin version. Lineo, Inc. 2001*/
+
+#ifndef _SETJMP_H
+# error "Never include <bits/setjmp.h> directly; use <setjmp.h> instead."
+#endif
+
+#ifndef _ASM
+/* Jump buffer contains r7-r4, p5-p3, fp, sp and pc. Other registers are not saved. */
+typedef struct
+{
+ unsigned long __pregs[6];
+ unsigned long fp;
+ unsigned long sp;
+ unsigned long __rregs[8];
+ unsigned long astat;
+ unsigned long __lcregs[2];
+ unsigned long a0w;
+ unsigned long a0x;
+ unsigned long a1w;
+ unsigned long a1x;
+ unsigned long __iregs[4];
+ unsigned long __mregs[4];
+ unsigned long __lregs[4];
+ unsigned long __bregs[4];
+ unsigned long pc;
+}__jmp_buf[1];
+
+#endif
+
+#define __JMP_BUF_SP 8
+
+/* Test if longjmp to JMPBUF would unwind the frame
+ containing a local variable at ADDRESS. */
+#define _JMPBUF_UNWINDS(jmpbuf, address) \
+ ((void *) (address) < (void *) (jmpbuf)->__pregs[6])
--- /dev/null
+/* Copyright (C) 1998, 1999, 2001 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>, 1998.
+
+ 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 SIGCONTEXT int _code, struct sigcontext *
+#define SIGCONTEXT_EXTRA_ARGS _code,
+#define GET_PC(ctx) ((void *) (ctx)->sc_pc)
+#define GET_FRAME(ctx) ((void *) __builtin_frame_address (1))
+#define GET_STACK(ctx) ((void *) (ctx)->sc_usp)
+#define CALL_SIGHANDLER(handler, signo, ctx) \
+ (handler)((signo), SIGCONTEXT_EXTRA_ARGS (ctx))
--- /dev/null
+/* 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 blackfin the stack grows down. */
+#define _STACK_GROWS_DOWN 1
+
+#endif /* stackinfo.h */
--- /dev/null
+#ifndef _BITS_SYSCALLS_H
+#define _BITS_SYSCALLS_H
+#ifndef _SYSCALL_H
+# error "Never use <bits/syscalls.h> directly; include <sys/syscall.h> instead."
+#endif
+
+#include <features.h>
+
+/* Do something very evil for now. Until we create our own syscall
+ * macros, short circuit bits/sysnum.h and use asm/unistd.h instead */
+#include <asm/unistd.h>
+
+/* 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>
+
+#endif /* _BITS_SYSCALLS_H */
+
--- /dev/null
+/* 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. */
+
+#define __WORDSIZE 32
--- /dev/null
+
+#include <unistd.h>
+#include <sys/syscall.h>
+#include <errno.h>
+
+/* This must be initialized data because commons can't have aliases. */
+void * __curbrk = 0;
+
+int brk (void *addr)
+{
+ void *newbrk;
+
+ __asm__ __volatile__(
+ "P0 = %2;\n\t"
+ "R0 = %1;\n\t"
+ "excpt 0;\n\t"
+ "%0 = R0;\n\t"
+ : "=r"(newbrk)
+ : "r"(addr), "i" (__NR_brk): "P0" );
+
+ __curbrk = newbrk;
+
+ if (newbrk < addr)
+ {
+ __set_errno (ENOMEM);
+ return -1;
+ }
+
+ return 0;
+}
--- /dev/null
+
+/* Copyright (C) 2002, David McCullough <davidm@snapgear.com> */
+/* This file is released under the LGPL, any version you like */
+
+#define _ASM
+#define _SETJMP_H
+#include <bits/setjmp.h>
+
+.globl _setjmp;
+.align 4;
+
+_setjmp:
+ [--SP] = P0; // Save P0
+ P0 = R0;
+ R0 = [SP++];
+ [P0 + 0x00] = R0; // Save saved P0
+ [P0 + 0x04] = P1;
+ [P0 + 0x08] = P2;
+ [P0 + 0x0C] = P3;
+ [P0 + 0x10] = P4;
+ [P0 + 0x14] = P5;
+
+ [P0 + 0x18] = FP; // Frame Pointer
+ [P0 + 0x1C] = SP; // Stack Pointer
+
+ [P0 + 0x20] = P0; // Data Registers
+ [P0 + 0x24] = R1;
+ [P0 + 0x28] = R2;
+ [P0 + 0x2C] = R3;
+ [P0 + 0x30] = R4;
+ [P0 + 0x34] = R5;
+ [P0 + 0x38] = R6;
+ [P0 + 0x3C] = R7;
+
+ R0 = ASTAT;
+ [P0 + 0x40] = R0;
+
+ R0 = LC0; // Loop Counters
+ [P0 + 0x44] = R0;
+ R0 = LC1;
+ [P0 + 0x48] = R0;
+
+ R0 = A0.W; // Accumulators
+ [P0 + 0x4C] = R0;
+ R0 = A0.X;
+ [P0 + 0x50] = R0;
+ R0 = A1.W;
+ [P0 + 0x54] = R0;
+ R0 = A1.X;
+ [P0 + 0x58] = R0;
+
+ R0 = I0; // Index Registers
+ [P0 + 0x5C] = R0;
+ R0 = I1;
+ [P0 + 0x60] = R0;
+ R0 = I2;
+ [P0 + 0x64] = R0;
+ R0 = I3;
+ [P0 + 0x68] = R0;
+
+ R0 = M0; // Modifier Registers
+ [P0 + 0x6C] = R0;
+ R0 = M1;
+ [P0 + 0x70] = R0;
+ R0 = M2;
+ [P0 + 0x74] = R0;
+ R0 = M3;
+ [P0 + 0x78] = R0;
+
+ R0 = L0; // Length Registers
+ [P0 + 0x7c] = R0;
+ R0 = L1;
+ [P0 + 0x80] = R0;
+ R0 = L2;
+ [P0 + 0x84] = R0;
+ R0 = L3;
+ [P0 + 0x88] = R0;
+
+ R0 = B0; // Base Registers
+ [P0 + 0x8C] = R0;
+ R0 = B1;
+ [P0 + 0x90] = R0;
+ R0 = B2;
+ [P0 + 0x94] = R0;
+ R0 = B3;
+ [P0 + 0x98] = R0;
+
+ R0 = RETS;
+ [P0 + 0x9C] = R0;
+
+ R0 = [P0 + 0x20];
+ R0 = 0;
+
+ RTS;
+_setjmp.end:
+
+
--- /dev/null
+/*
+ * setjmp for the Blackfin project
+ *
+ * Copyright (C) 2003, Metrowerks
+ * Based on code from Analog Devices.
+ *
+ * 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 <setjmp.h>
+
+int setjmp(jmp_buf env){
+ __asm__ __volatile__("[--SP] = p0;\n\t"
+ "p0 = r0;\n\t"
+ "r0 = [SP++];\n\t"
+
+ "[p0++] = r0;\n\t" /* GP address registers */
+ "[p0++] = p1;\n\t"
+ "[p0++] = p2;\n\t"
+ "[p0++] = p3;\n\t"
+ "[p0++] = p4;\n\t"
+ "[p0++] = p5;\n\t"
+
+ "[p0++] = FP;\n\t" /* frame pointer */
+ "[p0++] = SP;\n\t" /* stack pointer */
+
+ "[p0++] = p0;\n\t" /* data regs */
+ "[p0++] = r1;\n\t"
+ "[p0++] = r2;\n\t"
+ "[p0++] = r3;\n\t"
+ "[p0++] = r4;\n\t"
+ "[p0++] = r5;\n\t"
+ "[p0++] = r6;\n\t"
+ "[p0++] = r7;\n\t"
+
+ "r0 = ASTAT;\n\t"
+ "[p0++] = r0;\n\t"
+
+ "r0 = LC0;\n\t" /* loop counters */
+ "[p0++] = r0;\n\t"
+ "r0 = LC1;\n\t"
+ "[p0++] = r0;\n\t"
+
+ "r0 = A0.w;\n\t"
+ "[p0++] = r0;\n\t"
+ "r0.l = A0.x;\n\t"
+ "[p0++] = r0;\n\t"
+ "r0 = A1.w;\n\t"
+ "[p0++] = r0;\n\t"
+ "r0.l = A1.x;\n\t"
+ "[p0++] = r0;\n\t"
+
+ /* Dag regs */
+ "r0 = i0;\n\t" /* index registers */
+ "[p0++] = r0;\n\t"
+ "r0 = i1;\n\t"
+ "[p0++] = r0;\n\t"
+ "r0 = i2;\n\t"
+ "[p0++] = r0;\n\t"
+ "r0 = i3;\n\t"
+ "[p0++] = r0;\n\t"
+
+ "r0 = m0;\n\t" /* modifier registers */
+ "[p0++] = r0;\n\t"
+ "r0 = m1;\n\t"
+ "[p0++] = r0;\n\t"
+ "r0 = m2;\n\t"
+ "[p0++] = r0;\n\t"
+ "r0 = m3;\n\t"
+ "[p0++] = r0;\n\t"
+
+ "r0 = l0;\n\t" /* length registers */
+ "[p0++] = r0;\n\t"
+ "r0 = l1;\n\t"
+ "[p0++] = r0;\n\t"
+ "r0 = l2;\n\t"
+ "[p0++] = r0;\n\t"
+ "r0 = l3;\n\t"
+ "[p0++] = r0;\n\t"
+
+ "r0 = b0;\n\t" /* base registers */
+ "[p0++] = r0;\n\t"
+ "r0 = b1;\n\t"
+ "[p0++] = r0;\n\t"
+ "r0 = b2;\n\t"
+ "[p0++] = r0;\n\t"
+ "r0 = b3;\n\t"
+ "[p0++] = r0;\n\t"
+
+ "r0 = RETS;\n\t" /* store return address */
+ "[p0++] = r0;\n\t"
+
+ "r0 = 0;\n\t"
+ :
+ :
+ );
+return 0;
+}
--- /dev/null
+/*
+ * libc/sysdeps/linux/bfin/clone.c -- `clone' syscall for linux/blackfin
+ *
+ *
+ * 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 <asm/unistd.h>
+
+int
+clone (int (*fn)(void *arg), void *child_stack, int flags, void *arg)
+{
+ register long rval = -1;
+
+ if (fn && child_stack) {
+
+ __asm__ __volatile__ (
+ "r1 = %2;"
+ "r0 = %3;"
+ "P0 = %1;"
+ "excpt 0;" /*Call sys_clone*/
+ "%0 = r0;"
+ "cc = r0 == 0;"
+ "if !cc jump xxx;" /* if (rval != 0) skip to parent */
+ "r0 = %4;"
+ "p0 = %5;"
+ "call (p0);" /* Call cloned function */
+ "p0 = %6;"
+ "excpt 0;" /* Call sys_exit */
+ "xxx: nop;"
+ : "=d" (rval)
+ : "i" (__NR_clone), "a" (child_stack), "a" (flags), "a" (arg), "a" (fn), "i" (__NR_exit)
+ : "CC", "R0", "R1", "P0");
+ }
+ return rval;
+}
--- /dev/null
+/* Copyright (C) 1991, 1992 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 Library General Public License as
+published by the Free Software Foundation; either version 2 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB. If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA. */
+
+
+/* When we enter this piece of code, the user stack looks like this:
+* argc argument counter (integer)
+* argv[0] program name (pointer)
+* argv[1...N] program args (pointers)
+* NULL
+* env[0...N] environment variables (pointers)
+* NULL
+
+* When we are done here, we want
+* R0=argc
+* R1=*argv[0]
+* R2=*envp[0]
+*/
+
+.text
+.align 2
+.global _start;
+.type _start,STT_FUNC;
+.global ___uClibc_main;
+.type ___uClibc_main,STT_FUNC;
+
+/* Stick in a dummy reference to main(), so that if an application
+ * is linking when the main() function is in a static library (.a)
+ * we can be sure that main() actually gets linked in */
+
+.type _main,STT_FUNC;
+
+_start:
+
+/* clear the frame pointer */
+ FP = 0;
+/* Load register R0 (argc) from the stack to its final resting place */
+ P0 = SP;
+ R0 = [P0++];
+
+/* Copy argv pointer into R1 -- which its final resting place */
+ R1 = P0;
+
+/* Skip to the end of argv and put a pointer to the environment in R2 */
+ R2 = R0;
+ R2 <<= 2;
+ R2 += 4;
+ R2 = R1+R2;
+
+/* Ok, now run uClibc's main() -- shouldn't return */
+ sp += -12;
+ jump.l ___uClibc_main;
+
--- /dev/null
+.file "initfini.c";
+ .section .init
+ .section .fini
+
+.text;
+.align 2
+.global _dummy;
+.type _dummy, STT_FUNC;
+_dummy:
+ P2 = R0;
+ LINK 0;
+ SP += -12;
+ cc =P2==0;
+ if cc jump L$L$1;
+ SP += 12;
+ UNLINK;
+ jump (P2);
+L$L$1:
+ SP += 12;
+ UNLINK;
+ rts;
+ .size _dummy, .-_dummy
+.align 2
+.global __init;
+.type __init, STT_FUNC;
+__init:
+ LINK 0;
+ SP += -12;
+
+ .align 2
--- /dev/null
+.file "initfini.c";
+ .section .init
+ .section .fini
+
+.text;
+.align 2
+.global _dummy;
+.type _dummy, STT_FUNC;
+_dummy:
+ P2 = R0;
+ LINK 0;
+ SP += -12;
+ cc =P2==0;
+ if cc jump L$L$1;
+ SP += 12;
+ UNLINK;
+ jump (P2);
+L$L$1:
+ SP += 12;
+ UNLINK;
+ rts;
+ .size _dummy, .-_dummy
+.align 2
+.global __init;
+.type __init, STT_FUNC;
+ SP += 12;
+ UNLINK;
+ rts;
+ .size __init, .-__init
+.align 2
+.global __fini;
+.type __fini, STT_FUNC;
+ SP += 12;
+ UNLINK;
+ rts;
+ .size __fini, .-__fini
+ .ident "GCC: (GNU) 3.4.1"
--- /dev/null
+
+/* Cetjmp for the Blackfin project
+ *
+ * Copyright (C) 2003, Metrowerks
+ * Based on code from Analog Devices.
+ *
+ * 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 _ASM
+#define _SETJMP_H
+#include <bits/setjmp.h>
+
+.globl ___sigsetjmp;
+.align 4;
+
+___sigsetjmp:
+ [--SP] = P0; /* Save P0 */
+ P0 = R0;
+ R0 = [SP++];
+ [P0 + 0x00] = R0; /* Save saved P0 */
+ [P0 + 0x04] = P1;
+ [P0 + 0x08] = P2;
+ [P0 + 0x0C] = P3;
+ [P0 + 0x10] = P4;
+ [P0 + 0x14] = P5;
+
+ [P0 + 0x18] = FP; /* Frame Pointer */
+ [P0 + 0x1C] = SP; /* Stack Pointer */
+
+ [P0 + 0x20] = P0; /* Data Registers */
+ [P0 + 0x24] = R1;
+ [P0 + 0x28] = R2;
+ [P0 + 0x2C] = R3;
+ [P0 + 0x30] = R4;
+ [P0 + 0x34] = R5;
+ [P0 + 0x38] = R6;
+ [P0 + 0x3C] = R7;
+
+ R0 = ASTAT;
+ [P0 + 0x40] = R0;
+
+ R0 = LC0; /* Loop Counters */
+ [P0 + 0x44] = R0;
+ R0 = LC1;
+ [P0 + 0x48] = R0;
+
+ R0 = A0.W; /* Accumulators */
+ [P0 + 0x4C] = R0;
+ R0 = A0.X;
+ [P0 + 0x50] = R0;
+ R0 = A1.W;
+ [P0 + 0x54] = R0;
+ R0 = A1.X;
+ [P0 + 0x58] = R0;
+
+ R0 = I0; /* Index Registers */
+ [P0 + 0x5C] = R0;
+ R0 = I1;
+ [P0 + 0x60] = R0;
+ R0 = I2;
+ [P0 + 0x64] = R0;
+ R0 = I3;
+ [P0 + 0x68] = R0;
+
+ R0 = M0; /* Modifier Registers */
+ [P0 + 0x6C] = R0;
+ R0 = M1;
+ [P0 + 0x70] = R0;
+ R0 = M2;
+ [P0 + 0x74] = R0;
+ R0 = M3;
+ [P0 + 0x78] = R0;
+
+ R0 = L0; /* Length Registers */
+ [P0 + 0x7c] = R0;
+ R0 = L1;
+ [P0 + 0x80] = R0;
+ R0 = L2;
+ [P0 + 0x84] = R0;
+ R0 = L3;
+ [P0 + 0x88] = R0;
+
+ R0 = B0; /* Base Registers */
+ [P0 + 0x8C] = R0;
+ R0 = B1;
+ [P0 + 0x90] = R0;
+ R0 = B2;
+ [P0 + 0x94] = R0;
+ R0 = B3;
+ [P0 + 0x98] = R0;
+
+ R0 = RETS;
+ [P0 + 0x9C] = R0;
+
+ R0 = [P0 + 0x20];
+ CC = R1 == 1;
+ IF CC JUMP finished;
+ CALL ___sigjmp_save;
+finished:
+ R0 = 0;
+ RTS;
+___sigsetjmp.end:
--- /dev/null
+/* Copyright (C) 1998, 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_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 */
--- /dev/null
+/* 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 <features.h>
+
+__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 */
--- /dev/null
+/* Copyright (C) 1996, 1997, 1999, 2000, 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_struct' 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_struct) / sizeof(elf_greg_t))
+typedef elf_greg_t elf_gregset_t[ELF_NGREG];
+
+/* Register set for the floating-point registers. */
+typedef struct user_bfinfp_struct 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 */
--- /dev/null
+/* Copyright (C) 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. */
+
+#ifndef _SYS_REG_H
+#define _SYS_REG_H 1
+
+/* Index into an array of 4 byte integers returned from ptrace for
+ location of the users' stored general purpose registers. */
+
+enum
+{
+ PT_IPEND = 0,
+#define PT_IPEND PT_IPEND
+ PT_SYSCFG = 4,
+#define PT_SYSCFG PT_SYSCFG
+ PT_SR = 8,
+#define PT_SR PT_SR
+ PT_RETE = 12,
+#define PT_RETE PT_RETE
+ PT_RETN = 16,
+#define PT_RETN PT_RETN
+ PT_RETX = 20,
+#define PT_RETX PT_RETX
+ PT_PC = 24,
+#define PT_PC PT_PC
+ PT_RETS = 28,
+#define PT_RETS PT_RETS
+ PT_ASTAT = 32,
+#define PT_ASTAT PT_ASTAT
+ PT_LB1 = 40,
+#define PT_LB1 PT_LB1
+ PT_LB0 = 44,
+#define PT_LB0 PT_LB0
+ PT_LT1 = 48,
+#define PT_LT1 PT_LT1
+ PT_LT0 = 52,
+#define PT_LT0 PT_LT0
+ PT_LC1 = 56,
+#define PT_LC1 PT_LC1
+ PT_LC0 = 60,
+#define PT_LC0 PT_LC0
+ PT_A1W = 64,
+#define PT_A1W PT_A1W
+ PT_A1X = 68,
+#define PT_A1X PT_A1X
+ PT_A0W = 72,
+#define PT_A0W PT_A0W
+ PT_A0X = 76,
+#define PT_A0X PT_A0X
+ PT_B3 = 80,
+#define PT_B# PT_B3
+ PT_B2 = 84,
+#define PT_B2 PT_B2
+ PT_B1 = 88,
+#define PT_B1 PT_B1
+ PT_B0 = 92,
+#define PT_B0 PT_B0
+ PT_L3 = 96,
+#define PT_L3 PT_L3
+ PT_L2 = 100,
+#define PT_L2 PT_L2
+ PT_L1 = 104,
+#define PT_L1 PT_L1
+ PT_L0 = 108,
+#define PT_L0 PT_L0
+ PT_M3 = 112,
+#define PT_M3 PT_M3
+ PT_M2 = 116,
+#define PT_M2 PT_M2
+ PT_M1 = 120,
+#define PT_M1 PT_M1
+ PT_M0 = 124,
+#define PT_M0 PT_M0
+ PT_I3 = 128,
+#define PT_I3 PT_I3
+ PT_I2 = 132,
+#define PT_I2 PT_I2
+ PT_I1 = 136,
+#define PT_I1 PT_I1
+ PT_I0 = 140,
+#define PT_I0 PT_I0
+ PT_USP = 144,
+#define PT_USP PT_USP
+ PT_FP = 148,
+#define PT_FP PT_FP
+ PT_P5 = 152,
+#define PT_P5 PT_P5
+ PT_P4 = 156,
+#define PT_P4 PT_P4
+ PT_P3 = 160,
+#define PT_P3 PT_P3
+ PT_P2 = 164,
+#define PT_P2 PT_P2
+ PT_P1 = 168,
+#define PT_P1 PT_P1
+ PT_P0 = 172,
+#define PT_P0 PT_P0
+ PT_R7 = 176,
+#define PT_R7 PT_R7
+ PT_R6 = 180,
+#define PT_R6 PT_R6
+ PT_R5 = 184,
+#define PT_R5 PT_R5
+ PT_R4 = 188,
+#define PT_R4 PT_R4
+ PT_R3 = 192,
+#define PT_R3 PT_R3
+ PT_R2 = 196,
+#define PT_R2 PT_R2
+ PT_R1 = 200,
+#define PT_R1 PT_R1
+ PT_R0 = 204,
+#define PT_R0 PT_R0
+ PT_ORIG_R0 = 208,
+#define PT_ORIG_R0 PT_ORIG_R0
+};
+
+#endif /* _SYS_REG_H */
--- /dev/null
+/* Copyright (C) 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. */
+
+/* System V/blackfin ABI compliant context switching support. */
+
+#ifndef _SYS_UCONTEXT_H
+#define _SYS_UCONTEXT_H 1
+
+#include <features.h>
+#include <signal.h>
+
+/* Type for general register. */
+typedef int greg_t;
+
+/* Number of general registers. */
+#define NGREG 47
+
+/* Container for all general registers. */
+typedef greg_t gregset_t[NGREG];
+
+/* 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
+ P0 = 8,
+#define P0 P0
+ P1 = 9,
+#define P1 P1
+ P2 = 10,
+#define P2 P2
+ P3 = 11,
+#define P3 P3
+ P4 = 12,
+#define P4 P4
+ P5 = 13,
+#define P5 P5
+ USP = 14,
+#define USP USP
+ A0W = 15,
+#define A0W A0W
+ A1W = 16,
+#define A1W A1W
+ A0X = 17,
+#define A0X A0X
+ A1X = 18,
+#define A1X A1X
+ ASTAT = 19,
+#define ASTAT ASTAT
+ RETS = 20,
+#define RETS RETS
+ PC= 21,
+#define PC PC
+ RETX = 22,
+#define RETX RETX
+ FP = 23,
+#define FP FP
+ I0 = 24,
+#define I0 I0
+ I1 = 25,
+#define I1 I1
+ I2 = 26,
+#define I2 I2
+ I3 = 27,
+#define I3 I3
+ M0 = 28,
+#define M0 M0
+ M1 = 29,
+#define M1 M1
+ M2 = 30,
+#define M2 M2
+ M3 = 31,
+#define M3 M3
+ L0 = 32,
+#define L0 L0
+ L1 = 33,
+#define L1 L1
+ L2 = 34,
+#define L2 L2
+ L3 = 35,
+#define L3 L3
+ B_0 = 36,
+#define B_0 B_0
+ B1 = 37,
+#define B1 B1
+ B2 = 38,
+#define B2 B2
+ B3 = 39,
+#define B3 B3
+ LC0 = 40,
+#define LC0 LC0
+ LC1 = 41,
+#define LC1 LC1
+ LT0 = 42,
+#define LT0 LT0
+ LT1 = 43,
+#define LT1 LT1
+ LB0 = 44,
+#define LB0 LB0
+ LB1 = 45,
+#define LB1 LB1
+ SEQSTAT = 46
+#define SEQSTAT SEQSTAT
+};
+
+/* Context to describe whole processor state. */
+typedef struct
+{
+ int version;
+ gregset_t gregs;
+} mcontext_t;
+
+
+/* Userlevel context. */
+typedef struct ucontext
+{
+ unsigned long int uc_flags;
+ struct ucontext *uc_link;
+ stack_t uc_stack;
+ mcontext_t uc_mcontext;
+ __sigset_t uc_sigmask;
+} ucontext_t;
+
+#endif /* sys/ucontext.h */
--- /dev/null
+/* vi: set sw=4 ts=4: */
+/* syscall for blackfin/uClibc
+ *
+ * Copyright (C) 2004 by Analog Devices Inc.
+ * Copyright (C) 2002 by 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
+ */
+
+#include <features.h>
+#include <errno.h>
+#include <sys/types.h>
+#include <sys/syscall.h>
+
+long syscall(long sysnum, long a, long b, long c, long d, long e)
+{
+ int _r0 = 0;
+ asm volatile(
+ "p0 = %1;" /*SysCall Number*/
+ "r0 = %2;"
+ "r1 = %3;"
+ "r2 = %4;"
+ "r3 = %6;"
+ "r4 = %5;"
+ "excpt 0;" /*Call the System Call*/
+ "%0 = r0;" /*Store the result of syscall*/
+ : "=r"(_r0)
+ : "r"(sysnum), "r"(a), "r"(b),
+ "r"(c), "r"(d), "r"(e)
+ : "memory");
+
+ if(_r0 >=(unsigned long) -4095) {
+ (*__errno_location())=(-_r0);
+ _r0=(unsigned long) -1;
+ }
+ return (long) _r0;
+}
--- /dev/null
+
+#include <asm/unistd.h>
+ .text
+ .globl _vfork
+ .globl __libc_vfork
+ .type _vfork,STT_FUNC;
+ .align 4
+__libc_vfork:
+_vfork:
+ p0 = __NR_vfork;
+ excpt 0;
+ rts;
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