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-rw-r--r--extra/Configs/Config.in11
-rw-r--r--extra/Configs/Config.or1k35
-rw-r--r--extra/Configs/defconfigs/or1k/defconfig245
-rw-r--r--include/elf.h26
-rw-r--r--ldso/ldso/or1k/dl-debug.h53
-rw-r--r--ldso/ldso/or1k/dl-startup.h106
-rw-r--r--ldso/ldso/or1k/dl-syscalls.h1
-rw-r--r--ldso/ldso/or1k/dl-sysdep.h105
-rw-r--r--ldso/ldso/or1k/elfinterp.c333
-rw-r--r--ldso/ldso/or1k/resolve.S54
-rw-r--r--libc/sysdeps/linux/or1k/Makefile13
-rw-r--r--libc/sysdeps/linux/or1k/Makefile.arch9
-rw-r--r--libc/sysdeps/linux/or1k/__init_brk.c28
-rw-r--r--libc/sysdeps/linux/or1k/__longjmp.S81
-rw-r--r--libc/sysdeps/linux/or1k/__syscall_error.c30
-rw-r--r--libc/sysdeps/linux/or1k/bits/endian.h25
-rw-r--r--libc/sysdeps/linux/or1k/bits/fcntl.h236
-rw-r--r--libc/sysdeps/linux/or1k/bits/kernel_stat.h59
-rw-r--r--libc/sysdeps/linux/or1k/bits/kernel_types.h1
-rw-r--r--libc/sysdeps/linux/or1k/bits/machine-gmon.h31
-rw-r--r--libc/sysdeps/linux/or1k/bits/setjmp.h32
-rw-r--r--libc/sysdeps/linux/or1k/bits/sigcontextinfo.h24
-rw-r--r--libc/sysdeps/linux/or1k/bits/stackinfo.h28
-rw-r--r--libc/sysdeps/linux/or1k/bits/syscalls.h101
-rw-r--r--libc/sysdeps/linux/or1k/bits/uClibc_arch_features.h44
-rw-r--r--libc/sysdeps/linux/or1k/bits/uClibc_page.h35
-rw-r--r--libc/sysdeps/linux/or1k/bits/wordsize.h19
-rw-r--r--libc/sysdeps/linux/or1k/brk.c23
-rw-r--r--libc/sysdeps/linux/or1k/clone.c88
-rw-r--r--libc/sysdeps/linux/or1k/crt1.S144
-rw-r--r--libc/sysdeps/linux/or1k/crti.S11
-rw-r--r--libc/sysdeps/linux/or1k/crtn.S9
-rw-r--r--libc/sysdeps/linux/or1k/jmpbuf-offsets.h8
-rw-r--r--libc/sysdeps/linux/or1k/jmpbuf-unwind.h24
-rw-r--r--libc/sysdeps/linux/or1k/sbrk.c27
-rw-r--r--libc/sysdeps/linux/or1k/setjmp.S96
-rw-r--r--libc/sysdeps/linux/or1k/spr_defs.h429
-rw-r--r--libc/sysdeps/linux/or1k/sys/procfs.h116
-rw-r--r--libc/sysdeps/linux/or1k/sys/ucontext.h26
-rw-r--r--libpthread/linuxthreads/sysdeps/or1k/pt-machine.h55
40 files changed, 2819 insertions, 2 deletions
diff --git a/extra/Configs/Config.in b/extra/Configs/Config.in
index 5166efbf0..a9c01f130 100644
--- a/extra/Configs/Config.in
+++ b/extra/Configs/Config.in
@@ -34,6 +34,7 @@ choice
default TARGET_mips if DESIRED_TARGET_ARCH = "mips"
default TARGET_nios if DESIRED_TARGET_ARCH = "nios"
default TARGET_nios2 if DESIRED_TARGET_ARCH = "nios2"
+ default TARGET_or1k if DESIRED_TARGET_ARCH = "or1k"
default TARGET_powerpc if DESIRED_TARGET_ARCH = "powerpc"
default TARGET_sh if DESIRED_TARGET_ARCH = "sh"
default TARGET_sh64 if DESIRED_TARGET_ARCH = "sh64"
@@ -107,6 +108,9 @@ config TARGET_mips
config TARGET_nios2
bool "nios2"
+config TARGET_or1k
+ bool "or1k"
+
config TARGET_powerpc
bool "powerpc"
@@ -208,6 +212,10 @@ if TARGET_mips
source "extra/Configs/Config.mips"
endif
+if TARGET_or1k
+source "extra/Configs/Config.or1k"
+endif
+
if TARGET_powerpc
source "extra/Configs/Config.powerpc"
endif
@@ -474,7 +482,7 @@ config LDSO_NO_CLEANUP
Unless you know you need this, you should answer N.
config UCLIBC_CTOR_DTOR
- boolean
+ bool
default y
help
If you wish to build uClibc with support for global constructor
@@ -576,6 +584,7 @@ config UCLIBC_HAS_THREADS_NATIVE
!TARGET_m68k && \
!TARGET_microblaze && \
!TARGET_nios2 && \
+ !TARGET_or1k && \
!TARGET_vax
help
If you want to compile uClibc with NPTL support, then answer Y.
diff --git a/extra/Configs/Config.or1k b/extra/Configs/Config.or1k
new file mode 100644
index 000000000..45e6f0a57
--- /dev/null
+++ b/extra/Configs/Config.or1k
@@ -0,0 +1,35 @@
+#
+# For a description of the syntax of this configuration file,
+# see extra/config/Kconfig-language.txt
+#
+
+config TARGET_ARCH
+ default "or1k"
+
+config ARCH_CFLAGS
+ string
+
+config ARCH_LDFLAGS
+ string
+
+config LIBGCC_CFLAGS
+ string
+
+choice
+ prompt "Target Architecture Type"
+ default CONFIG_OR1K
+ help
+ This is the architecture type of your CPU. This information is used for
+ optimizing purposes.
+
+ These are the possible settings:
+ - or1k Generic support for OpenCores OpenRISC/or1k architecture.
+
+config CONFIG_OR1K
+ select ARCH_HAS_MMU
+ select UCLIBC_HAS_FPU
+ select ARCH_BIG_ENDIAN
+ select HAS_NO_THREADS
+ bool "or1k"
+
+endchoice
diff --git a/extra/Configs/defconfigs/or1k/defconfig b/extra/Configs/defconfigs/or1k/defconfig
new file mode 100644
index 000000000..f8b8d2b33
--- /dev/null
+++ b/extra/Configs/defconfigs/or1k/defconfig
@@ -0,0 +1,245 @@
+#
+# Automatically generated make config: don't edit
+# Version: 0.9.34-git
+# Wed Oct 10 16:27:15 2012
+#
+# TARGET_alpha is not set
+# TARGET_arm is not set
+# TARGET_avr32 is not set
+# TARGET_bfin is not set
+# TARGET_c6x is not set
+# TARGET_cris is not set
+# TARGET_e1 is not set
+# TARGET_frv is not set
+# TARGET_h8300 is not set
+# TARGET_hppa is not set
+# TARGET_i386 is not set
+# TARGET_i960 is not set
+# TARGET_ia64 is not set
+# TARGET_m68k is not set
+# TARGET_microblaze is not set
+# TARGET_mips is not set
+# TARGET_nios is not set
+# TARGET_nios2 is not set
+TARGET_or1k=y
+# TARGET_powerpc is not set
+# TARGET_sh is not set
+# TARGET_sh64 is not set
+# TARGET_sparc is not set
+# TARGET_v850 is not set
+# TARGET_vax is not set
+# TARGET_x86_64 is not set
+# TARGET_xtensa is not set
+
+#
+# Target Architecture Features and Options
+#
+TARGET_ARCH="or1k"
+CONFIG_OR1K=y
+TARGET_SUBARCH=""
+
+#
+# Using ELF file format
+#
+ARCH_BIG_ENDIAN=y
+
+#
+# Using Big Endian
+#
+ARCH_HAS_MMU=y
+ARCH_USE_MMU=y
+UCLIBC_HAS_FLOATS=y
+UCLIBC_HAS_FPU=y
+DO_C99_MATH=y
+# DO_XSI_MATH is not set
+# UCLIBC_HAS_FENV is not set
+KERNEL_HEADERS="${SYSROOT}/usr/include"
+HAVE_DOT_CONFIG=y
+
+#
+# General Library Settings
+#
+DOPIC=y
+HAVE_SHARED=y
+# FORCE_SHAREABLE_TEXT_SEGMENTS is not set
+LDSO_LDD_SUPPORT=y
+LDSO_CACHE_SUPPORT=y
+LDSO_PRELOAD_ENV_SUPPORT=y
+# LDSO_PRELOAD_FILE_SUPPORT is not set
+LDSO_BASE_FILENAME="ld.so"
+# LDSO_STANDALONE_SUPPORT is not set
+# LDSO_PRELINK_SUPPORT is not set
+UCLIBC_STATIC_LDCONFIG=y
+LDSO_RUNPATH=y
+LDSO_SEARCH_INTERP_PATH=y
+LDSO_LD_LIBRARY_PATH=y
+# LDSO_NO_CLEANUP is not set
+UCLIBC_CTOR_DTOR=y
+# LDSO_GNU_HASH_SUPPORT is not set
+# HAS_NO_THREADS is not set
+LINUXTHREADS_OLD=y
+# LINUXTHREADS_NEW is not set
+# UCLIBC_HAS_THREADS_NATIVE is not set
+UCLIBC_HAS_THREADS=y
+# PTHREADS_DEBUG_SUPPORT is not set
+UCLIBC_HAS_SYSLOG=y
+UCLIBC_HAS_LFS=y
+# MALLOC is not set
+# MALLOC_SIMPLE is not set
+MALLOC_STANDARD=y
+# MALLOC_GLIBC_COMPAT is not set
+# UCLIBC_DYNAMIC_ATEXIT is not set
+COMPAT_ATEXIT=y
+UCLIBC_SUSV3_LEGACY=y
+# UCLIBC_SUSV3_LEGACY_MACROS is not set
+UCLIBC_SUSV4_LEGACY=y
+# UCLIBC_STRICT_HEADERS is not set
+# UCLIBC_HAS_STUBS is not set
+UCLIBC_HAS_SHADOW=y
+UCLIBC_HAS_PROGRAM_INVOCATION_NAME=y
+UCLIBC_HAS___PROGNAME=y
+UCLIBC_HAS_PTY=y
+ASSUME_DEVPTS=y
+UNIX98PTY_ONLY=y
+# UCLIBC_HAS_GETPT is not set
+# UCLIBC_HAS_LIBUTIL is not set
+UCLIBC_HAS_TM_EXTENSIONS=y
+UCLIBC_HAS_TZ_CACHING=y
+UCLIBC_HAS_TZ_FILE=y
+UCLIBC_HAS_TZ_FILE_READ_MANY=y
+UCLIBC_TZ_FILE_PATH="/etc/TZ"
+UCLIBC_FALLBACK_TO_ETC_LOCALTIME=y
+
+#
+# Advanced Library Settings
+#
+UCLIBC_PWD_BUFFER_SIZE=256
+UCLIBC_GRP_BUFFER_SIZE=256
+
+#
+# Support various families of functions
+#
+UCLIBC_LINUX_MODULE_26=y
+UCLIBC_LINUX_MODULE_24=y
+UCLIBC_LINUX_SPECIFIC=y
+UCLIBC_HAS_GNU_ERROR=y
+UCLIBC_BSD_SPECIFIC=y
+UCLIBC_HAS_BSD_ERR=y
+# UCLIBC_HAS_OBSOLETE_BSD_SIGNAL is not set
+# UCLIBC_HAS_OBSOLETE_SYSV_SIGNAL is not set
+# UCLIBC_NTP_LEGACY is not set
+# UCLIBC_SV4_DEPRECATED is not set
+UCLIBC_HAS_REALTIME=y
+UCLIBC_HAS_ADVANCED_REALTIME=y
+UCLIBC_HAS_EPOLL=y
+UCLIBC_HAS_XATTR=y
+UCLIBC_HAS_PROFILING=y
+UCLIBC_HAS_CRYPT_IMPL=y
+# UCLIBC_HAS_SHA256_CRYPT_IMPL is not set
+# UCLIBC_HAS_SHA512_CRYPT_IMPL is not set
+UCLIBC_HAS_CRYPT=y
+UCLIBC_HAS_NETWORK_SUPPORT=y
+UCLIBC_HAS_SOCKET=y
+UCLIBC_HAS_IPV4=y
+UCLIBC_HAS_IPV6=y
+UCLIBC_HAS_RPC=y
+UCLIBC_HAS_FULL_RPC=y
+UCLIBC_HAS_REENTRANT_RPC=y
+# UCLIBC_USE_NETLINK is not set
+# UCLIBC_HAS_BSD_RES_CLOSE is not set
+UCLIBC_HAS_COMPAT_RES_STATE=y
+# UCLIBC_HAS_EXTRA_COMPAT_RES_STATE is not set
+# UCLIBC_HAS_RESOLVER_SUPPORT is not set
+# UCLIBC_HAS_LIBRESOLV_STUB is not set
+# UCLIBC_HAS_LIBNSL_STUB is not set
+
+#
+# String and Stdio Support
+#
+UCLIBC_HAS_STRING_GENERIC_OPT=y
+UCLIBC_HAS_STRING_ARCH_OPT=y
+UCLIBC_HAS_CTYPE_TABLES=y
+UCLIBC_HAS_CTYPE_SIGNED=y
+UCLIBC_HAS_CTYPE_UNSAFE=y
+# UCLIBC_HAS_CTYPE_CHECKED is not set
+# UCLIBC_HAS_CTYPE_ENFORCED is not set
+UCLIBC_HAS_WCHAR=y
+# UCLIBC_HAS_LOCALE is not set
+# UCLIBC_HAS_HEXADECIMAL_FLOATS is not set
+# UCLIBC_HAS_GLIBC_CUSTOM_PRINTF is not set
+UCLIBC_PRINTF_SCANF_POSITIONAL_ARGS=9
+# UCLIBC_HAS_STDIO_BUFSIZ_NONE is not set
+# UCLIBC_HAS_STDIO_BUFSIZ_256 is not set
+# UCLIBC_HAS_STDIO_BUFSIZ_512 is not set
+# UCLIBC_HAS_STDIO_BUFSIZ_1024 is not set
+# UCLIBC_HAS_STDIO_BUFSIZ_2048 is not set
+UCLIBC_HAS_STDIO_BUFSIZ_4096=y
+# UCLIBC_HAS_STDIO_BUFSIZ_8192 is not set
+UCLIBC_HAS_STDIO_BUILTIN_BUFFER_NONE=y
+# UCLIBC_HAS_STDIO_BUILTIN_BUFFER_4 is not set
+# UCLIBC_HAS_STDIO_BUILTIN_BUFFER_8 is not set
+# UCLIBC_HAS_STDIO_SHUTDOWN_ON_ABORT is not set
+UCLIBC_HAS_STDIO_GETC_MACRO=y
+UCLIBC_HAS_STDIO_PUTC_MACRO=y
+UCLIBC_HAS_STDIO_AUTO_RW_TRANSITION=y
+# UCLIBC_HAS_FOPEN_LARGEFILE_MODE is not set
+# UCLIBC_HAS_FOPEN_EXCLUSIVE_MODE is not set
+# UCLIBC_HAS_FOPEN_CLOSEEXEC_MODE is not set
+# UCLIBC_HAS_GLIBC_CUSTOM_STREAMS is not set
+# UCLIBC_HAS_PRINTF_M_SPEC is not set
+UCLIBC_HAS_ERRNO_MESSAGES=y
+# UCLIBC_HAS_SYS_ERRLIST is not set
+UCLIBC_HAS_SIGNUM_MESSAGES=y
+# UCLIBC_HAS_SYS_SIGLIST is not set
+UCLIBC_HAS_GNU_GETOPT=y
+UCLIBC_HAS_GNU_GETSUBOPT=y
+
+#
+# Big and Tall
+#
+UCLIBC_HAS_REGEX=y
+UCLIBC_HAS_REGEX_OLD=y
+UCLIBC_HAS_FNMATCH=y
+UCLIBC_HAS_FNMATCH_OLD=y
+# UCLIBC_HAS_WORDEXP is not set
+# UCLIBC_HAS_NFTW is not set
+# UCLIBC_HAS_FTW is not set
+# UCLIBC_HAS_FTS is not set
+UCLIBC_HAS_GLOB=y
+# UCLIBC_HAS_GNU_GLOB is not set
+# UCLIBC_HAS_UTMPX is not set
+
+#
+# Library Installation Options
+#
+RUNTIME_PREFIX="/"
+DEVEL_PREFIX="/usr"
+MULTILIB_DIR="lib"
+HARDWIRED_ABSPATH=y
+
+#
+# Security options
+#
+# UCLIBC_HAS_ARC4RANDOM is not set
+# UCLIBC_HAS_SSP is not set
+UCLIBC_BUILD_RELRO=y
+# UCLIBC_BUILD_NOW is not set
+UCLIBC_BUILD_NOEXECSTACK=y
+
+#
+# Development/debugging options
+#
+CROSS_COMPILER_PREFIX="or1k-linux-uclibc-"
+UCLIBC_EXTRA_CFLAGS=""
+# DODEBUG is not set
+# DODEBUG_PT is not set
+# DOSTRIP is not set
+# DOASSERTS is not set
+# SUPPORT_LD_DEBUG is not set
+# SUPPORT_LD_DEBUG_EARLY is not set
+# UCLIBC_MALLOC_DEBUGGING is not set
+# UCLIBC_HAS_BACKTRACE is not set
+WARNINGS="-Wall"
+# EXTRA_WARNINGS is not set
+# DOMULTI is not set
+# UCLIBC_MJN3_ONLY is not set
diff --git a/include/elf.h b/include/elf.h
index 18d286b03..ed952664f 100644
--- a/include/elf.h
+++ b/include/elf.h
@@ -257,7 +257,7 @@ typedef struct
#define EM_MN10300 89 /* Matsushita MN10300 */
#define EM_MN10200 90 /* Matsushita MN10200 */
#define EM_PJ 91 /* picoJava */
-#define EM_OPENRISC 92 /* OpenRISC 32-bit embedded processor */
+#define EM_OR1K 92 /* OpenRISC 32-bit embedded processor */
#define EM_ARCOMPACT 93 /* ARCompact ISA based Cores: ARC 700 */
#define EM_XTENSA 94 /* Tensilica Xtensa Architecture */
#define EM_IP2K 101 /* Ubicom IP2022 micro controller */
@@ -3188,6 +3188,30 @@ typedef Elf32_Addr Elf32_Conflict;
#define R_METAG_TLS_DTPMOD 57
#define R_METAG_TLS_DTPOFF 58
+/* OpenRISC 1000 specific relocs */
+#define R_OR1K_NONE 0
+#define R_OR1K_32 1
+#define R_OR1K_16 2
+#define R_OR1K_8 3
+#define R_OR1K_LO_16_IN_INSN 4
+#define R_OR1K_HI_16_IN_INSN 5
+#define R_OR1K_INSN_REL_26 6
+#define R_OR1K_GNU_VTENTRY 7
+#define R_OR1K_GNU_VTINHERIT 8
+#define R_OR1K_32_PCREL 9
+#define R_OR1K_16_PCREL 10
+#define R_OR1K_8_PCREL 11
+#define R_OR1K_GOTPC_HI16 12
+#define R_OR1K_GOTPC_LO16 13
+#define R_OR1K_GOT16 14
+#define R_OR1K_PLT26 15
+#define R_OR1K_GOTOFF_HI16 16
+#define R_OR1K_GOTOFF_LO16 17
+#define R_OR1K_COPY 18
+#define R_OR1K_GLOB_DAT 19
+#define R_OR1K_JMP_SLOT 20
+#define R_OR1K_RELATIVE 21
+
/* ARCompact specific relocs */
#define R_ARC_NONE 0x0
#define R_ARC_8 0x1
diff --git a/ldso/ldso/or1k/dl-debug.h b/ldso/ldso/or1k/dl-debug.h
new file mode 100644
index 000000000..d925577cd
--- /dev/null
+++ b/ldso/ldso/or1k/dl-debug.h
@@ -0,0 +1,53 @@
+/* OpenRISC 1000 shared library loader suppport
+ *
+ * Copyright (C) 2012 Stefan Kristansson
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. The name of the above contributors may not be
+ * used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+static const char * const _dl_reltypes_tab[] =
+ {
+ "R_OR1K_NONE",
+ "R_OR1K_32",
+ "R_OR1K_16",
+ "R_OR1K_8",
+ "R_OR1K_LO_16_IN_INSN",
+ "R_OR1K_HI_16_IN_INSN",
+ "R_OR1K_INSN_REL_26",
+ "R_OR1K_GNU_VTENTRY",
+ "R_OR1K_GNU_VTINHERIT",
+ "R_OR1K_32_PCREL",
+ "R_OR1K_16_PCREL",
+ "R_OR1K_8_PCREL",
+ "R_OR1K_GOTPC_HI16",
+ "R_OR1K_GOTPC_LO16",
+ "R_OR1K_GOT16",
+ "R_OR1K_PLT26",
+ "R_OR1K_GOTOFF_HI16",
+ "R_OR1K_GOTOFF_LO16",
+ "R_OR1K_COPY",
+ "R_OR1K_GLOB_DAT",
+ "R_OR1K_JMP_SLOT",
+ "R_OR1K_RELATIVE",
+ };
diff --git a/ldso/ldso/or1k/dl-startup.h b/ldso/ldso/or1k/dl-startup.h
new file mode 100644
index 000000000..3c99bcd5c
--- /dev/null
+++ b/ldso/ldso/or1k/dl-startup.h
@@ -0,0 +1,106 @@
+/* Startup code for the OpenRISC 1000 platform,
+ based on microblaze implementation */
+/*
+ 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. */
+
+__asm__ ("\
+ .text\n\
+ .globl _start\n\
+ .type _start,@function\n\
+ .hidden _start\n\
+_start:\n\
+ l.ori r3, r9, 0\n\
+ l.ori r3, r1, 0\n\
+ l.movhi r11, 0\n\
+1:\n\
+ l.addi r3, r3, 4\n\
+ l.lwz r12, 0(r3)\n\
+ l.sfnei r12, 0\n\
+ l.addi r11, r11, 1\n\
+ l.bf 1b\n\
+ l.nop\n\
+ l.ori r3, r11, 0\n\
+ l.ori r3, r1, 0\n\
+ l.addi r11, r11, -1\n\
+ /* store argument counter to stack */\n\
+ l.sw 0(r3), r11\n\
+ l.addi r1, r1, -24\n\
+ l.sw 0(r1), r9\n\
+\n\
+ l.jal .LPC0\n\
+#ifndef __OR1K_NODELAY__\n\
+ l.nop\n\
+#endif\n\
+ /* Load the PIC register */\n\
+.LPC0:\n\
+ l.movhi r16, gotpchi(_GLOBAL_OFFSET_TABLE_+(.-.LPC0))\n\
+ l.ori r16, r16, gotpclo(_GLOBAL_OFFSET_TABLE_+(.-.LPC0))\n\
+ l.add r16, r16, r9\n\
+\n\
+ l.jal _dl_start\n\
+ l.nop\n\
+ /* FALLTHRU */\n\
+\n\
+ .globl _dl_start_user\n\
+ .type _dl_start_user,@function\n\
+_dl_start_user:\n\
+ l.movhi r12, gotoffhi(_dl_skip_args)\n\
+ l.ori r12, r12, gotofflo(_dl_skip_args)\n\
+ l.add r12, r12, r16\n\
+ l.lwz r12, 0(r12)\n\
+ l.lwz r3, 24(r1)\n\
+\n\
+ l.movhi r9, gotoffhi(_dl_fini)\n\
+ l.ori r9, r9, gotofflo(_dl_fini)\n\
+ l.add r9, r9, r16\n\
+\n\
+ l.addi r9, r9, -8\n\
+ l.addi r1, r1, 24\n\
+ l.jr r11\n\
+ l.nop\n\
+ .size _dl_start_user, . - _dl_start_user\n\
+ .previous\n\
+");
+/*
+ * Get a pointer to the argv array. On many platforms this can be just
+ * the address of the first argument, on other platforms we need to
+ * do something a little more subtle here.
+ */
+#define GET_ARGV(ARGVP, ARGS) ARGVP = (((unsigned long*) ARGS)+1)
+
+/* The ld.so library requires relocations */
+#define ARCH_NEEDS_BOOTSTRAP_RELOCS
+
+static __always_inline
+void PERFORM_BOOTSTRAP_RELOC(ELF_RELOC *rpnt, unsigned long *reloc_addr,
+ unsigned long symbol_addr, unsigned long load_addr,
+ attribute_unused Elf32_Sym *symtab)
+{
+
+ switch (ELF_R_TYPE(rpnt->r_info))
+ {
+ case R_OR1K_RELATIVE:
+
+ *reloc_addr = load_addr + rpnt->r_addend;
+ break;
+
+ default:
+ _dl_exit(1);
+ break;
+
+ }
+
+}
diff --git a/ldso/ldso/or1k/dl-syscalls.h b/ldso/ldso/or1k/dl-syscalls.h
new file mode 100644
index 000000000..f40c4fd31
--- /dev/null
+++ b/ldso/ldso/or1k/dl-syscalls.h
@@ -0,0 +1 @@
+/* stub for arch-specific syscall issues */
diff --git a/ldso/ldso/or1k/dl-sysdep.h b/ldso/ldso/or1k/dl-sysdep.h
new file mode 100644
index 000000000..21ca028c8
--- /dev/null
+++ b/ldso/ldso/or1k/dl-sysdep.h
@@ -0,0 +1,105 @@
+/* elf reloc code for the or1k platform, based on glibc 2.3.6, dl-machine.h */
+
+/*
+ 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. */
+
+/* Use reloca */
+#define ELF_USES_RELOCA
+
+#include <elf.h>
+
+
+/* Initialise the GOT */
+#define INIT_GOT(GOT_BASE,MODULE) \
+do { \
+ GOT_BASE[2] = (unsigned long) _dl_linux_resolve; \
+ GOT_BASE[1] = (unsigned long) MODULE; \
+} while(0)
+
+/* Here we define the magic numbers that this dynamic loader should accept */
+
+#define MAGIC1 EM_OR1K
+#undef MAGIC2
+/* Used for error messages */
+#define ELF_TARGET "or1k"
+
+#define elf_machine_type_class(type) \
+ (((type) == R_OR1K_JMP_SLOT) * ELF_RTYPE_CLASS_PLT \
+ | ((type) == R_OR1K_COPY) * ELF_RTYPE_CLASS_COPY)
+
+static inline Elf32_Addr *
+or1k_get_got (void)
+{
+ Elf32_Addr *got;
+ Elf32_Addr linkreg;
+ __asm__("l.ori %0, r9, 0\n"
+ "l.jal .LPC1\n"
+#ifndef __OR1K_NODELAY__
+ "l.nop\n"
+#endif
+ ".LPC1:\n"
+ "l.movhi %1, gotpchi(_GLOBAL_OFFSET_TABLE_+(.-.LPC1))\n"
+ "l.ori %1, %1, gotpclo(_GLOBAL_OFFSET_TABLE_+(.-.LPC1))\n"
+ "l.add %1, %1, r9\n"
+ "l.ori r9, %0, 0\n"
+ : "=r" (linkreg), "=r" (got));
+ return got;
+}
+
+/* Return the link-time address of _DYNAMIC. Conveniently, this is the
+ first element of the GOT. */
+static inline Elf32_Addr
+elf_machine_dynamic (void)
+{
+ Elf32_Addr *got = or1k_get_got();
+ return *got;
+}
+
+
+/* Return the run-time load address of the shared object. */
+static inline Elf32_Addr
+elf_machine_load_address (void)
+{
+ /* Compute the difference between the runtime address of _DYNAMIC as seen
+ by a GOTOFF reference, and the link-time address found in the special
+ unrelocated first GOT entry. */
+ Elf32_Addr dyn;
+ Elf32_Addr *got = or1k_get_got();
+
+ __asm__ __volatile__ (
+ "l.movhi %0, gotoffhi(_DYNAMIC);"
+ "l.ori %0, %0, gotofflo(_DYNAMIC);"
+ "l.add %0, %0, %1;"
+ : "=r"(dyn), "=r"(got)
+ );
+ return dyn - *got;
+}
+
+
+
+static __always_inline void
+elf_machine_relative (Elf32_Addr load_off, const Elf32_Addr rel_addr,
+ Elf32_Word relative_count)
+{
+ Elf32_Rela * rpnt = (void *) rel_addr;
+ --rpnt;
+ do {
+ Elf32_Addr *const reloc_addr = (void *) (load_off +
+ (++rpnt)->r_offset);
+
+ *reloc_addr += load_off;
+ } while (--relative_count);
+}
diff --git a/ldso/ldso/or1k/elfinterp.c b/ldso/ldso/or1k/elfinterp.c
new file mode 100644
index 000000000..928e95ba1
--- /dev/null
+++ b/ldso/ldso/or1k/elfinterp.c
@@ -0,0 +1,333 @@
+/* vi: set sw=4 ts=4: */
+/* OpenRISC 1000 ELF shared library loader suppport
+ *
+ * Copyright (c) 1994-2000 Eric Youngdale, Peter MacDonald,
+ * David Engel, Hongjiu Lu and Mitch D'Souza
+ * Copyright (C) 2001-2004 Erik Andersen
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. The name of the above contributors may not be
+ * used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include "ldso.h"
+
+/* Program to load an ELF binary on a linux system, and run it.
+ References to symbols in sharable libraries can be resolved by either
+ an ELF sharable library or a linux style of shared library. */
+
+/* Disclaimer: I have never seen any AT&T source code for SVr4, nor have
+ I ever taken any courses on internals. This program was developed using
+ information available through the book "UNIX SYSTEM V RELEASE 4,
+ Programmers guide: Ansi C and Programming Support Tools", which did
+ a more than adequate job of explaining everything required to get this
+ working. */
+
+extern int _dl_linux_resolve(void);
+
+unsigned long
+_dl_linux_resolver(struct elf_resolve *tpnt, int reloc_entry)
+{
+ ELF_RELOC *this_reloc;
+ char *strtab;
+ ElfW(Sym) *symtab;
+ int symtab_index;
+ char *rel_addr;
+ char *new_addr;
+ char **got_addr;
+ ElfW(Addr) instr_addr;
+ char *symname;
+
+ rel_addr = (char *)tpnt->dynamic_info[DT_JMPREL];
+ this_reloc = (ELF_RELOC *)(rel_addr + reloc_entry);
+ symtab_index = ELF_R_SYM(this_reloc->r_info);
+
+ symtab = (ElfW(Sym) *)tpnt->dynamic_info[DT_SYMTAB];
+ strtab = (char *)tpnt->dynamic_info[DT_STRTAB];
+ symname = strtab + symtab[symtab_index].st_name;
+
+ /* Address of the jump instruction to fix up. */
+ instr_addr = (this_reloc->r_offset + tpnt->loadaddr);
+ got_addr = (char **)instr_addr;
+
+ /* Get the address of the GOT entry. */
+ new_addr = _dl_find_hash(symname, &_dl_loaded_modules->symbol_scope, tpnt, ELF_RTYPE_CLASS_PLT, NULL);
+ if (unlikely(!new_addr)) {
+ _dl_dprintf(2, "%s: can't resolve symbol '%s' in lib '%s'.\n",
+ _dl_progname, symname, tpnt->libname);
+ _dl_exit(1);
+ }
+
+#if defined (__SUPPORT_LD_DEBUG__)
+ if ((unsigned long)got_addr < 0x40000000) {
+ if (_dl_debug_bindings) {
+ _dl_dprintf(_dl_debug_file, "\nresolve function: %s", symname);
+ if (_dl_debug_detail)
+ _dl_dprintf(_dl_debug_file,
+ "\tpatched: %x ==> %x @ %x\n",
+ *got_addr, new_addr, got_addr);
+ }
+ }
+ if (!_dl_debug_nofixups)
+#endif
+ *got_addr = new_addr;
+
+ return (unsigned long)new_addr;
+}
+
+static int
+_dl_parse(struct elf_resolve *tpnt, struct r_scope_elem *scope,
+ unsigned long rel_addr, unsigned long rel_size,
+ int (*reloc_fnc)(struct elf_resolve *tpnt, struct r_scope_elem *scope,
+ ELF_RELOC *rpnt, ElfW(Sym) *symtab, char *strtab))
+{
+ unsigned int i;
+ char *strtab;
+ ElfW(Sym) *symtab;
+ ELF_RELOC *rpnt;
+ int symtab_index;
+
+ /* Parse the relocation information. */
+ rpnt = (ELF_RELOC *)rel_addr;
+ rel_size /= sizeof(ELF_RELOC);
+
+ symtab = (ElfW(Sym) *)tpnt->dynamic_info[DT_SYMTAB];
+ strtab = (char *)tpnt->dynamic_info[DT_STRTAB];
+
+ for (i = 0; i < rel_size; i++, rpnt++) {
+ int res;
+
+ symtab_index = ELF_R_SYM(rpnt->r_info);
+
+ debug_sym(symtab, strtab, symtab_index);
+ debug_reloc(symtab, strtab, rpnt);
+
+ res = reloc_fnc(tpnt, scope, rpnt, symtab, strtab);
+
+ if (res == 0)
+ continue;
+
+ _dl_dprintf(2, "\n%s: ", _dl_progname);
+
+ if (symtab_index)
+ _dl_dprintf(2, "symbol '%s': ",
+ strtab + symtab[symtab_index].st_name);
+
+ if (unlikely(res < 0)) {
+ int reloc_type = ELF_R_TYPE(rpnt->r_info);
+
+ _dl_dprintf(2, "can't handle reloc type "
+#if defined (__SUPPORT_LD_DEBUG__)
+ "%s\n", _dl_reltypes(reloc_type));
+#else
+ "%x\n", reloc_type);
+#endif
+ _dl_exit(-res);
+ } else if (unlikely(res > 0)) {
+ _dl_dprintf(2, "can't resolve symbol\n");
+ return res;
+ }
+ }
+
+ return 0;
+}
+
+static int
+_dl_do_reloc(struct elf_resolve *tpnt, struct r_scope_elem *scope,
+ ELF_RELOC *rpnt, ElfW(Sym) *symtab, char *strtab)
+{
+ int reloc_type;
+ int symtab_index;
+ char *symname;
+#if defined USE_TLS && USE_TLS
+ struct elf_resolve *tls_tpnt;
+#endif
+ struct symbol_ref sym_ref;
+ ElfW(Addr) *reloc_addr;
+ ElfW(Addr) symbol_addr;
+#if defined (__SUPPORT_LD_DEBUG__)
+ ElfW(Addr) old_val;
+#endif
+
+ struct unaligned {
+ Elf32_Addr x;
+ } __attribute__ ((packed, may_alias));
+
+ reloc_addr = (ElfW(Addr)*)(tpnt->loadaddr + (unsigned long)rpnt->r_offset);
+ reloc_type = ELF_R_TYPE(rpnt->r_info);
+ symtab_index = ELF_R_SYM(rpnt->r_info);
+ sym_ref.sym = &symtab[symtab_index];
+ sym_ref.tpnt = NULL;
+ symbol_addr = 0;
+ symname = strtab + sym_ref.sym->st_name;
+
+ if (symtab_index) {
+ symbol_addr = (ElfW(Addr))_dl_find_hash(symname, scope, tpnt,
+ elf_machine_type_class(reloc_type), &sym_ref);
+ /*
+ * We want to allow undefined references to weak symbols - this
+ * might have been intentional. We should not be linking local
+ * symbols here, so all bases should be covered.
+ */
+ if (unlikely(!symbol_addr && (ELF_ST_TYPE(sym_ref.sym->st_info) != STT_TLS)
+ && (ELF_ST_BIND(sym_ref.sym->st_info) != STB_WEAK))) {
+ /* This may be non-fatal if called from dlopen. */
+ return 1;
+ }
+#if defined USE_TLS && USE_TLS
+ tls_tpnt = sym_ref.tpnt;
+#endif
+ } else {
+ /* Relocs against STN_UNDEF are usually treated as using a
+ * symbol value of zero, and using the module containing the
+ * reloc itself. */
+ symbol_addr = sym_ref.sym->st_value;
+#if defined USE_TLS && USE_TLS
+ tls_tpnt = tpnt;
+#endif
+ }
+
+
+#if defined (__SUPPORT_LD_DEBUG__)
+ if (reloc_addr) {
+ old_val = ((struct unaligned *)reloc_addr)->x;
+ } else {
+ old_val = 0;
+ }
+#endif
+
+ switch (reloc_type) {
+ case R_OR1K_NONE:
+ break;
+
+ case R_OR1K_8:
+ case R_OR1K_16:
+ case R_OR1K_32:
+ /* Support relocations on mis-aligned offsets. */
+ ((struct unaligned *)reloc_addr)->x = symbol_addr +
+ rpnt->r_addend;
+ break;
+
+ case R_OR1K_8_PCREL:
+ case R_OR1K_16_PCREL:
+ case R_OR1K_32_PCREL:
+ case R_OR1K_INSN_REL_26:
+ *reloc_addr = symbol_addr + rpnt->r_addend;
+ break;
+
+ case R_OR1K_GLOB_DAT:
+ case R_OR1K_JMP_SLOT:
+ *reloc_addr = symbol_addr + rpnt->r_addend;
+ break;
+/* Handled by elf_machine_relative */
+ case R_OR1K_RELATIVE:
+ *reloc_addr = (unsigned long)tpnt->loadaddr + rpnt->r_addend;
+ break;
+
+ case R_OR1K_COPY:
+ if (symbol_addr) {
+#if defined (__SUPPORT_LD_DEBUG__)
+ if (_dl_debug_move)
+ _dl_dprintf(_dl_debug_file,
+ "\t%s move %d bytes from %x to %x\n",
+ symname, sym_ref.sym->st_size,
+ symbol_addr, reloc_addr);
+#endif
+
+ _dl_memcpy((char *)reloc_addr,
+ (char *)symbol_addr,
+ sym_ref.sym->st_size);
+ }
+#if defined (__SUPPORT_LD_DEBUG__)
+ else
+ _dl_dprintf(_dl_debug_file, "no symbol_addr to copy !?\n");
+#endif
+ break;
+
+ default:
+ return -1; /* Calls _dl_exit(1). */
+ }
+
+#if defined (__SUPPORT_LD_DEBUG__)
+ if (_dl_debug_reloc && _dl_debug_detail)
+ _dl_dprintf(_dl_debug_file, "\tpatched: %x ==> %x @ %x\n",
+ old_val, ((struct unaligned *)reloc_addr)->x,
+ reloc_addr);
+#endif
+
+ return 0;
+}
+
+static int
+_dl_do_lazy_reloc(struct elf_resolve *tpnt, struct r_scope_elem *scope,
+ ELF_RELOC *rpnt, ElfW(Sym) *symtab, char *strtab)
+{
+ int reloc_type;
+ int symtab_index;
+ ElfW(Addr) *reloc_addr;
+#if defined (__SUPPORT_LD_DEBUG__)
+ ElfW(Addr) old_val;
+#endif
+
+ (void)scope;
+ symtab_index = ELF_R_SYM(rpnt->r_info);
+ (void)strtab;
+
+ reloc_addr = (ElfW(Addr)*)(tpnt->loadaddr + rpnt->r_offset);
+ reloc_type = ELF_R_TYPE(rpnt->r_info);
+
+#if defined (__SUPPORT_LD_DEBUG__)
+ old_val = *reloc_addr;
+#endif
+
+ switch (reloc_type) {
+ case R_OR1K_NONE:
+ break;
+ case R_OR1K_JMP_SLOT:
+ *reloc_addr += (unsigned long)tpnt->loadaddr;
+ break;
+ default:
+ _dl_exit(1);
+ }
+
+#if defined (__SUPPORT_LD_DEBUG__)
+ if (_dl_debug_reloc && _dl_debug_detail)
+ _dl_dprintf(_dl_debug_file, "\tpatched_lazy: %x ==> %x @ %x\n",
+ old_val, *reloc_addr, reloc_addr);
+#endif
+
+ return 0;
+}
+
+void
+_dl_parse_lazy_relocation_information(struct dyn_elf *rpnt,
+ unsigned long rel_addr, unsigned long rel_size)
+{
+ (void)_dl_parse(rpnt->dyn, NULL, rel_addr, rel_size, _dl_do_lazy_reloc);
+}
+
+int
+_dl_parse_relocation_information(struct dyn_elf *rpnt,
+ struct r_scope_elem *scope, unsigned long rel_addr, unsigned long rel_size)
+{
+ return _dl_parse(rpnt->dyn, scope, rel_addr, rel_size, _dl_do_reloc);
+}
diff --git a/ldso/ldso/or1k/resolve.S b/ldso/ldso/or1k/resolve.S
new file mode 100644
index 000000000..4a156d529
--- /dev/null
+++ b/ldso/ldso/or1k/resolve.S
@@ -0,0 +1,54 @@
+/* This code is used in dl-runtime.c to call the `fixup' function
+ and then redirect to the address it returns. */
+/* We assume that R11 contain relocation offset and R12 contains
+ link_map (_DYNAMIC). This must be consistent with the JUMP_SLOT
+ layout generated by binutils. */
+
+/* Based on microblaze implementation */
+/*
+ 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. */
+
+.text
+.align 4
+.globl _dl_linux_resolver
+.globl _dl_linux_resolve
+.type _dl_linux_resolve,@function
+
+_dl_linux_resolve:
+ l.addi r1, r1, -32
+ l.sw 0(r1), r9
+ /* save function arguments */
+ l.sw 8(r1), r3
+ l.sw 12(r1), r4
+ l.sw 16(r1), r5
+ l.sw 20(r1), r6
+ l.sw 24(r1), r7
+ l.sw 28(r1), r8
+ l.ori r3, r12, 0
+ l.ori r4, r11, 0
+ l.jal _dl_linux_resolver
+ l.nop
+ l.lwz r8, 28(r1)
+ l.lwz r7, 24(r1)
+ l.lwz r6, 20(r1)
+ l.lwz r5, 16(r1)
+ l.lwz r4, 12(r1)
+ l.lwz r3, 8(r1)
+ l.lwz r9, 0(r1)
+ l.addi r1, r1, 32
+ l.jr r11
+ l.nop
+ .size _dl_linux_resolve, . - _dl_linux_resolve
diff --git a/libc/sysdeps/linux/or1k/Makefile b/libc/sysdeps/linux/or1k/Makefile
new file mode 100644
index 000000000..633c91f3e
--- /dev/null
+++ b/libc/sysdeps/linux/or1k/Makefile
@@ -0,0 +1,13 @@
+# Makefile for uClibc
+#
+# Copyright (C) 2000-2005 Erik Andersen <andersen@uclibc.org>
+#
+# Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+#
+
+top_srcdir=../../../../
+top_builddir=../../../../
+all: objs
+include $(top_builddir)Rules.mak
+include Makefile.arch
+include $(top_srcdir)Makerules
diff --git a/libc/sysdeps/linux/or1k/Makefile.arch b/libc/sysdeps/linux/or1k/Makefile.arch
new file mode 100644
index 000000000..53d4ed576
--- /dev/null
+++ b/libc/sysdeps/linux/or1k/Makefile.arch
@@ -0,0 +1,9 @@
+# Makefile for uClibc
+#
+# Copyright (C) 2010 Jonas Bonn <jonas@southpole.se>
+#
+# Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+#
+
+CSRC-y := __syscall_error.c __init_brk.c brk.c sbrk.c clone.c
+SSRC-y := __longjmp.S setjmp.S
diff --git a/libc/sysdeps/linux/or1k/__init_brk.c b/libc/sysdeps/linux/or1k/__init_brk.c
new file mode 100644
index 000000000..4c6763fdd
--- /dev/null
+++ b/libc/sysdeps/linux/or1k/__init_brk.c
@@ -0,0 +1,28 @@
+/* From libc-5.3.12 */
+
+#include <errno.h>
+#include <unistd.h>
+#include <sys/syscall.h>
+
+void * ___brk_addr = 0;
+
+int __init_brk (void);
+void *_brk(void *ptr);
+
+#define __NR__brk __NR_brk
+_syscall1(void *, _brk, void *, ptr);
+
+int
+__init_brk (void)
+{
+ if (___brk_addr == 0)
+ {
+ ___brk_addr = _brk(0);
+ if (___brk_addr == 0)
+ {
+ __set_errno(ENOMEM);
+ return -1;
+ }
+ }
+ return 0;
+}
diff --git a/libc/sysdeps/linux/or1k/__longjmp.S b/libc/sysdeps/linux/or1k/__longjmp.S
new file mode 100644
index 000000000..1eb5bb403
--- /dev/null
+++ b/libc/sysdeps/linux/or1k/__longjmp.S
@@ -0,0 +1,81 @@
+/* longjmp for or1k
+
+ Based on:
+ longjmp for PowerPC.
+ Copyright (C) 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. */
+
+#include <jmpbuf-offsets.h>
+
+#ifdef __UCLIBC_HAS_FLOATS__
+#define FP(x...) x
+#else
+#define FP(x...)
+#endif
+
+.globl __longjmp;
+.type __longjmp,@function;
+.align 2;
+
+__longjmp:
+# l.lwz r11,(JB_SR*4)(r3)
+# l.mtspr r0,r11,SPR_SR
+ l.lwz r1,((JB_GPRS+0)*4)(r3)
+ l.lwz r2,((JB_GPRS+1)*4)(r3)
+ /* pass through "value" to r11, then restore r4, for what it's worth" */
+#if 1
+ /* if r4 is 0, something wrong, so set it to 1 */
+ l.sfeqi r4, 0x0
+ l.bnf 1f /* r4 != 0, longjmp value sensible */
+ l.nop
+ l.ori r4, r0, 0x1 /* make nonzero */
+1:
+#endif
+ l.addi r11, r4, 0
+ l.lwz r4,((JB_GPRS+3)*4)(r3)
+ l.lwz r5,((JB_GPRS+4)*4)(r3)
+ l.lwz r6,((JB_GPRS+5)*4)(r3)
+ l.lwz r7,((JB_GPRS+6)*4)(r3)
+ l.lwz r8,((JB_GPRS+7)*4)(r3)
+ l.lwz r9,((JB_GPRS+8)*4)(r3)
+ l.lwz r10,((JB_GPRS+9)*4)(r3)
+ l.lwz r12,((JB_GPRS+11)*4)(r3)
+ l.lwz r13,((JB_GPRS+12)*4)(r3)
+ l.lwz r14,((JB_GPRS+13)*4)(r3)
+ l.lwz r15,((JB_GPRS+14)*4)(r3)
+ l.lwz r16,((JB_GPRS+15)*4)(r3)
+ l.lwz r17,((JB_GPRS+16)*4)(r3)
+ l.lwz r18,((JB_GPRS+17)*4)(r3)
+ l.lwz r19,((JB_GPRS+18)*4)(r3)
+ l.lwz r20,((JB_GPRS+19)*4)(r3)
+ l.lwz r21,((JB_GPRS+20)*4)(r3)
+ l.lwz r22,((JB_GPRS+21)*4)(r3)
+ l.lwz r23,((JB_GPRS+22)*4)(r3)
+ l.lwz r24,((JB_GPRS+23)*4)(r3)
+ l.lwz r25,((JB_GPRS+24)*4)(r3)
+ l.lwz r26,((JB_GPRS+25)*4)(r3)
+ l.lwz r27,((JB_GPRS+26)*4)(r3)
+ l.lwz r28,((JB_GPRS+27)*4)(r3)
+ l.lwz r29,((JB_GPRS+28)*4)(r3)
+ l.lwz r30,((JB_GPRS+29)*4)(r3)
+ l.lwz r31,((JB_GPRS+30)*4)(r3)
+ l.jr r9
+ l.nop
+.size __longjmp,.-__longjmp
+
+libc_hidden_def(__longjmp)
diff --git a/libc/sysdeps/linux/or1k/__syscall_error.c b/libc/sysdeps/linux/or1k/__syscall_error.c
new file mode 100644
index 000000000..ef8307893
--- /dev/null
+++ b/libc/sysdeps/linux/or1k/__syscall_error.c
@@ -0,0 +1,30 @@
+/* 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. */
+
+#include <errno.h>
+
+int __syscall_error (int err_no);
+
+/* This routine is jumped to by all the syscall handlers, to stash
+ * an error number into errno. */
+int __syscall_error (int err_no)
+{
+ __set_errno (err_no);
+ return -1;
+}
+
diff --git a/libc/sysdeps/linux/or1k/bits/endian.h b/libc/sysdeps/linux/or1k/bits/endian.h
new file mode 100644
index 000000000..799e27a6b
--- /dev/null
+++ b/libc/sysdeps/linux/or1k/bits/endian.h
@@ -0,0 +1,25 @@
+/* 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 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. */
+
+/* or1k can be little or big endian. Hopefully gcc will know... */
+
+#ifndef _ENDIAN_H
+# error "Never use <bits/endian.h> directly; include <endian.h> instead."
+#endif
+
+#define __BYTE_ORDER __BIG_ENDIAN
diff --git a/libc/sysdeps/linux/or1k/bits/fcntl.h b/libc/sysdeps/linux/or1k/bits/fcntl.h
new file mode 100644
index 000000000..b0813001b
--- /dev/null
+++ b/libc/sysdeps/linux/or1k/bits/fcntl.h
@@ -0,0 +1,236 @@
+/* O_*, F_*, FD_* bit values for Linux.
+ Copyright (C) 1995-1998, 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 _FCNTL_H
+# error "Never use <bits/fcntl.h> directly; include <fcntl.h> instead."
+#endif
+
+
+#include <sys/types.h>
+#ifdef __USE_GNU
+# include <bits/uio.h>
+#endif
+
+/* 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_DIRECT 040000 /* Direct disk access. */
+# define O_DIRECTORY 0200000 /* Must be a directory. */
+# define O_NOFOLLOW 0400000 /* Do not follow links. */
+# define O_NOATIME 01000000 /* Do not set atime. */
+# define O_CLOEXEC 02000000 /* Set close_on_exec. */
+#endif
+
+#ifdef __USE_LARGEFILE64
+# define O_LARGEFILE 0100000
+#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
+
+/* 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
+
+#if defined __USE_GNU && defined __UCLIBC_LINUX_SPECIFIC__
+/* Flags for SYNC_FILE_RANGE. */
+# define SYNC_FILE_RANGE_WAIT_BEFORE 1 /* Wait upon writeout of all pages
+ in the range before performing the
+ write. */
+# define SYNC_FILE_RANGE_WRITE 2 /* Initiate writeout of all those
+ dirty pages in the range which are
+ not presently under writeback. */
+# define SYNC_FILE_RANGE_WAIT_AFTER 4 /* Wait upon writeout of all pages in
+ the range after performing the
+ write. */
+
+/* Flags for SPLICE and VMSPLICE. */
+# define SPLICE_F_MOVE 1 /* Move pages instead of copying. */
+# define SPLICE_F_NONBLOCK 2 /* Don't block on the pipe splicing
+ (but we may still block on the fd
+ we splice from/to). */
+# define SPLICE_F_MORE 4 /* Expect more data. */
+# define SPLICE_F_GIFT 8 /* Pages passed in are a gift. */
+#endif
+
+__BEGIN_DECLS
+
+#if defined __USE_GNU && defined __UCLIBC_LINUX_SPECIFIC__
+
+/* Provide kernel hint to read ahead. */
+extern ssize_t readahead (int __fd, __off64_t __offset, size_t __count)
+ __THROW;
+
+
+/* Selective file content synch'ing. */
+extern int sync_file_range (int __fd, __off64_t __from, __off64_t __to,
+ unsigned int __flags);
+
+/* Splice address range into a pipe. */
+extern ssize_t vmsplice (int __fdout, const struct iovec *__iov,
+ size_t __count, unsigned int __flags);
+
+/* Splice two files together. */
+extern ssize_t splice (int __fdin, __off64_t *__offin, int __fdout,
+ __off64_t *__offout, size_t __len,
+ unsigned int __flags);
+
+/* In-kernel implementation of tee for pipe buffers. */
+extern ssize_t tee (int __fdin, int __fdout, size_t __len,
+ unsigned int __flags);
+
+#endif
+__END_DECLS
diff --git a/libc/sysdeps/linux/or1k/bits/kernel_stat.h b/libc/sysdeps/linux/or1k/bits/kernel_stat.h
new file mode 100644
index 000000000..9c8abf658
--- /dev/null
+++ b/libc/sysdeps/linux/or1k/bits/kernel_stat.h
@@ -0,0 +1,59 @@
+/* taken from linux/include/asm-or1k/stat.h */
+
+#ifndef _BITS_STAT_STRUCT_H
+#define _BITS_STAT_STRUCT_H
+
+#ifndef _LIBC
+#error bits/kernel_stat.h is for internal uClibc use only!
+#endif
+
+struct kernel_stat {
+ unsigned long st_dev; /* Device. */
+ unsigned long st_ino; /* File serial number. */
+ unsigned int st_mode; /* File mode. */
+ unsigned int st_nlink; /* Link count. */
+ unsigned int st_uid; /* User ID of the file's owner. */
+ unsigned int st_gid; /* Group ID of the file's group. */
+ unsigned long st_rdev; /* Device number, if device. */
+ unsigned long __pad1;
+ long st_size; /* Size of file, in bytes. */
+ int st_blksize; /* Optimal block size for I/O. */
+ int __pad2;
+ long st_blocks; /* Number 512-byte blocks allocated. */
+ struct timespec st_atim;
+ struct timespec st_mtim;
+ struct timespec st_ctim;
+ /*
+ unsigned long st_atime;
+ unsigned long __unused1;
+ unsigned long st_mtime;
+ unsigned long __unused2;
+ unsigned long st_ctime;
+ unsigned long __unused3;
+ */
+ unsigned int __unused4;
+ unsigned int __unused5;
+};
+
+/* This matches struct stat64 in glibc2.1.
+ */
+struct kernel_stat64 {
+ unsigned long long st_dev; /* Device. */
+ unsigned long long st_ino; /* File serial number. */
+ unsigned int st_mode; /* File mode. */
+ unsigned int st_nlink; /* Link count. */
+ unsigned int st_uid; /* User ID of the file's owner. */
+ unsigned int st_gid; /* Group ID of the file's group. */
+ unsigned long long st_rdev; /* Device number, if device. */
+ unsigned long long __pad1;
+ long long st_size; /* Size of file, in bytes. */
+ int st_blksize; /* Optimal block size for I/O. */
+ int __pad2;
+ long long st_blocks; /* Number 512-byte blocks allocated. */
+ struct timespec st_atim;
+ struct timespec st_mtim;
+ struct timespec st_ctim;
+ unsigned int __unused4;
+ unsigned int __unused5;
+};
+#endif
diff --git a/libc/sysdeps/linux/or1k/bits/kernel_types.h b/libc/sysdeps/linux/or1k/bits/kernel_types.h
new file mode 100644
index 000000000..4c5fe3ea6
--- /dev/null
+++ b/libc/sysdeps/linux/or1k/bits/kernel_types.h
@@ -0,0 +1 @@
+#include <asm/posix_types.h>
diff --git a/libc/sysdeps/linux/or1k/bits/machine-gmon.h b/libc/sysdeps/linux/or1k/bits/machine-gmon.h
new file mode 100644
index 000000000..15a1773d6
--- /dev/null
+++ b/libc/sysdeps/linux/or1k/bits/machine-gmon.h
@@ -0,0 +1,31 @@
+/* or1k-specific implementation of profiling support.
+ 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. */
+
+/* We need a special version of the `mcount' function because it has
+ to preserve more registers than your usual function. */
+
+void __mcount_internal (unsigned long frompc, unsigned long selfpc);
+
+#define _MCOUNT_DECL(frompc, selfpc) \
+void __mcount_internal (unsigned long frompc, unsigned long selfpc)
+
+
+/* Define MCOUNT as empty since we have the implementation in another
+ file. */
+#define MCOUNT
diff --git a/libc/sysdeps/linux/or1k/bits/setjmp.h b/libc/sysdeps/linux/or1k/bits/setjmp.h
new file mode 100644
index 000000000..ad93b1991
--- /dev/null
+++ b/libc/sysdeps/linux/or1k/bits/setjmp.h
@@ -0,0 +1,32 @@
+/* Copyright (C) 1997, 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. */
+
+/* Define the machine-dependent type `jmp_buf'. or1k version. */
+
+#ifndef _BITS_SETJMP_H
+#define _BITS_SETJMP_H 1
+
+#ifndef _SETJMP_H
+# error "Never include <bits/setjmp.h> directly; use <setjmp.h> instead."
+#endif
+
+#ifndef _ASM
+typedef long int __jmp_buf[32];
+#endif
+
+#endif
diff --git a/libc/sysdeps/linux/or1k/bits/sigcontextinfo.h b/libc/sysdeps/linux/or1k/bits/sigcontextinfo.h
new file mode 100644
index 000000000..369738a99
--- /dev/null
+++ b/libc/sysdeps/linux/or1k/bits/sigcontextinfo.h
@@ -0,0 +1,24 @@
+/* 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. */
+
+#include <signal.h>
+
+#define SIGCONTEXT struct sigcontext *
+#define SIGCONTEXT_EXTRA_ARGS
+#define CALL_SIGHANDLER(handler, signo, ctx) \
+ (handler)((signo), SIGCONTEXT_EXTRA_ARGS (ctx))
diff --git a/libc/sysdeps/linux/or1k/bits/stackinfo.h b/libc/sysdeps/linux/or1k/bits/stackinfo.h
new file mode 100644
index 000000000..12d46a026
--- /dev/null
+++ b/libc/sysdeps/linux/or1k/bits/stackinfo.h
@@ -0,0 +1,28 @@
+/* Copyright (C) 1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+/* This file contains a bit of information about the stack allocation
+ of the processor. */
+
+#ifndef _STACKINFO_H
+#define _STACKINFO_H 1
+
+/* On or1k the stack grows down. */
+#define _STACK_GROWS_DOWN 1
+
+#endif /* stackinfo.h */
diff --git a/libc/sysdeps/linux/or1k/bits/syscalls.h b/libc/sysdeps/linux/or1k/bits/syscalls.h
new file mode 100644
index 000000000..6a08d3cd1
--- /dev/null
+++ b/libc/sysdeps/linux/or1k/bits/syscalls.h
@@ -0,0 +1,101 @@
+/*
+ * Based on arm/bits/syscalls.h
+ */
+
+#ifndef _BITS_SYSCALLS_H
+#define _BITS_SYSCALLS_H
+#ifndef _SYSCALL_H
+# error "Never use <bits/syscalls.h> directly; include <sys/syscall.h> instead."
+#endif
+
+/*
+ Some of the sneaky macros in the code were taken from
+ glibc-2.3.2/sysdeps/unix/sysv/linux/arm/sysdep.h
+*/
+
+#ifdef __ASSEMBLER__
+
+/* TODO: recheck this */
+
+/* Call a given syscall, with arguments loaded. Unlike the DO_CALL
+ macro in glibc, this macro does not load syscall arguments. */
+#undef DO_CALL
+#define DO_CALL(syscall_name) \
+ l.lwz r11, =SYS_ify (syscall_name); \
+ l.sys 1 \
+ l.nop
+
+#else
+
+#include <errno.h>
+
+#define INTERNAL_SYSCALL_NCS(name, err, nr, args...) \
+ ({ unsigned long __sys_result; \
+ { \
+ register long __sc_ret __asm__ ("r11") = name; \
+ LOAD_ARGS_##nr (args) \
+ __asm__ __volatile__ ("l.sys 1" \
+ : "=r" (__sc_ret) ASM_ARGS_OUT_##nr \
+ : "0" (__sc_ret) ASM_ARGS_IN_##nr \
+ : ASM_CLOBBERS_##nr \
+ "r12", "r13", "r15", "r17", "r19", \
+ "r21", "r23", "r25", "r27", "r29", \
+ "r31"); \
+ __asm__ __volatile__ ("l.nop"); \
+ __sys_result = __sc_ret; \
+ } \
+ (long) __sys_result; })
+
+/* : "0", "1", "2", "3", "4", "5", "6", \ */
+/* : ASM_CLOBBERS_##nr, \ */
+
+#define LOAD_ARGS_0()
+
+#define ASM_ARGS_OUT_0
+#define ASM_ARGS_IN_0
+#define ASM_CLOBBERS_0 "r3", ASM_CLOBBERS_1
+
+#define LOAD_ARGS_1(a) \
+ LOAD_ARGS_0 () \
+ register long __a __asm__ ("r3") = (long)(a);
+#define ASM_ARGS_OUT_1 ASM_ARGS_OUT_0, "=r" (__a)
+#define ASM_ARGS_IN_1 ASM_ARGS_IN_0, "1" (__a)
+#define ASM_CLOBBERS_1 "r4", ASM_CLOBBERS_2
+
+#define LOAD_ARGS_2(a, b) \
+ LOAD_ARGS_1 (a) \
+ register long __b __asm__ ("r4") = (long)(b);
+#define ASM_ARGS_OUT_2 ASM_ARGS_OUT_1, "=r" (__b)
+#define ASM_ARGS_IN_2 ASM_ARGS_IN_1, "2" (__b)
+#define ASM_CLOBBERS_2 "r5", ASM_CLOBBERS_3
+
+#define LOAD_ARGS_3(a, b, c) \
+ LOAD_ARGS_2 (a, b) \
+ register long __c __asm__ ("r5") = (long)(c);
+#define ASM_ARGS_OUT_3 ASM_ARGS_OUT_2, "=r" (__c)
+#define ASM_ARGS_IN_3 ASM_ARGS_IN_2, "3" (__c)
+#define ASM_CLOBBERS_3 "r6", ASM_CLOBBERS_4
+
+#define LOAD_ARGS_4(a, b, c, d) \
+ LOAD_ARGS_3 (a, b, c) \
+ register long __d __asm__ ("r6") = (long)(d);
+#define ASM_ARGS_OUT_4 ASM_ARGS_OUT_3, "=r" (__d)
+#define ASM_ARGS_IN_4 ASM_ARGS_IN_3, "4" (__d)
+#define ASM_CLOBBERS_4 "r7", ASM_CLOBBERS_5
+
+#define LOAD_ARGS_5(a, b, c, d, e) \
+ LOAD_ARGS_4 (a, b, c, d) \
+ register long __e __asm__ ("r7") = (long)(e);
+#define ASM_ARGS_OUT_5 ASM_ARGS_OUT_4, "=r" (__e)
+#define ASM_ARGS_IN_5 ASM_ARGS_IN_4, "5" (__e)
+#define ASM_CLOBBERS_5 "r8", ASM_CLOBBERS_6
+
+#define LOAD_ARGS_6(a, b, c, d, e, f) \
+ LOAD_ARGS_5 (a, b, c, d, e) \
+ register long __f __asm__ ("r8") = (long)(f);
+#define ASM_ARGS_OUT_6 ASM_ARGS_OUT_5, "=r" (__f)
+#define ASM_ARGS_IN_6 ASM_ARGS_IN_5, "6" (__f)
+#define ASM_CLOBBERS_6
+
+#endif /* __ASSEMBLER__ */
+#endif /* _BITS_SYSCALLS_H */
diff --git a/libc/sysdeps/linux/or1k/bits/uClibc_arch_features.h b/libc/sysdeps/linux/or1k/bits/uClibc_arch_features.h
new file mode 100644
index 000000000..30ae44364
--- /dev/null
+++ b/libc/sysdeps/linux/or1k/bits/uClibc_arch_features.h
@@ -0,0 +1,44 @@
+/*
+ * Track misc arch-specific features that aren't config options
+ */
+
+#ifndef _BITS_UCLIBC_ARCH_FEATURES_H
+#define _BITS_UCLIBC_ARCH_FEATURES_H
+
+#undef _ERRNO_H
+#undef EDEADLOCK /*Use Linux*/
+
+/* instruction used when calling abort() to kill yourself */
+#define __UCLIBC_ABORT_INSTRUCTION__ ".long 0xbfffffff"
+
+/* can your target use syscall6() for mmap ? */
+#define __UCLIBC_MMAP_HAS_6_ARGS__
+
+/* does your target use syscall4() for truncate64 ? (32bit arches only) */
+#undef __UCLIBC_TRUNCATE64_HAS_4_ARGS__
+
+/* does your target have a broken create_module() ? */
+#undef __UCLIBC_BROKEN_CREATE_MODULE__
+
+/* does your target have to worry about older [gs]etrlimit() ? */
+#undef __UCLIBC_HANDLE_OLDER_RLIMIT__
+
+/* does your target have an asm .set ? */
+#define __UCLIBC_HAVE_ASM_SET_DIRECTIVE__
+
+/* define if target doesn't like .global */
+#undef __UCLIBC_ASM_GLOBAL_DIRECTIVE__
+
+/* define if target supports .weak */
+#define __UCLIBC_HAVE_ASM_WEAK_DIRECTIVE__
+
+/* define if target supports .weakext */
+#undef __UCLIBC_HAVE_ASM_WEAKEXT_DIRECTIVE__
+
+/* needed probably only for ppc64 */
+#undef __UCLIBC_HAVE_ASM_GLOBAL_DOT_NAME__
+
+/* define if target supports IEEE signed zero floats */
+#define __UCLIBC_HAVE_SIGNED_ZERO__
+
+#endif /* _BITS_UCLIBC_ARCH_FEATURES_H */
diff --git a/libc/sysdeps/linux/or1k/bits/uClibc_page.h b/libc/sysdeps/linux/or1k/bits/uClibc_page.h
new file mode 100644
index 000000000..80c3bd9a1
--- /dev/null
+++ b/libc/sysdeps/linux/or1k/bits/uClibc_page.h
@@ -0,0 +1,35 @@
+/* Copyright (C) 2004 Erik Andersen
+ *
+ * This 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.
+ */
+
+/* Supply an architecture specific value for PAGE_SIZE and friends. */
+
+#ifndef _UCLIBC_PAGE_H
+#define _UCLIBC_PAGE_H
+
+/* PAGE_SHIFT determines the page size -- in this case 4096 */
+#define PAGE_SHIFT 13
+#define PAGE_SIZE (1UL << PAGE_SHIFT)
+#define PAGE_MASK (~(PAGE_SIZE-1))
+
+/* Some architectures always use 12 as page shift for mmap2() eventhough the
+ * real PAGE_SHIFT != 12. Other architectures use the same value as
+ * PAGE_SHIFT...
+ */
+#define MMAP2_PAGE_SHIFT PAGE_SHIFT
+
+#endif /* _UCLIBC_PAGE_H */
diff --git a/libc/sysdeps/linux/or1k/bits/wordsize.h b/libc/sysdeps/linux/or1k/bits/wordsize.h
new file mode 100644
index 000000000..ba643b60a
--- /dev/null
+++ b/libc/sysdeps/linux/or1k/bits/wordsize.h
@@ -0,0 +1,19 @@
+/* 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
diff --git a/libc/sysdeps/linux/or1k/brk.c b/libc/sysdeps/linux/or1k/brk.c
new file mode 100644
index 000000000..f8183dbc1
--- /dev/null
+++ b/libc/sysdeps/linux/or1k/brk.c
@@ -0,0 +1,23 @@
+/* From libc-5.3.12 */
+
+#include <errno.h>
+#include <unistd.h>
+#include <sys/syscall.h>
+libc_hidden_proto(brk)
+extern void * ___brk_addr;
+
+extern int __init_brk (void);
+extern void *_brk(void *ptr);
+
+int brk(void * end_data_seg)
+{
+ if (__init_brk () == 0)
+ {
+ ___brk_addr = _brk(end_data_seg);
+ if (___brk_addr == end_data_seg)
+ return 0;
+ __set_errno(ENOMEM);
+ }
+ return -1;
+}
+libc_hidden_def(brk)
diff --git a/libc/sysdeps/linux/or1k/clone.c b/libc/sysdeps/linux/or1k/clone.c
new file mode 100644
index 000000000..ebb048ad4
--- /dev/null
+++ b/libc/sysdeps/linux/or1k/clone.c
@@ -0,0 +1,88 @@
+/*
+ * clone syscall for OpenRISC
+ *
+ * Copyright (c) 2010 Jonas Bonn <jonas@southpole.se>
+ * Copyright (C) 2003 John Williams <jwilliams@itee.uq.edu.au>
+ * Copyright (C) 2002,03 NEC Electronics Corporation
+ * Copyright (C) 2002,03 Miles Bader <miles@gnu.org>
+ *
+ * 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.
+ *
+ * OpenRISC port by Jonas Bonn <jonas@southpole.se>
+ */
+
+#include <errno.h>
+#include <sys/syscall.h>
+#include <sched.h>
+#include <unistd.h>
+
+/* The userland implementation is:
+ int clone (int (*fn)(void *arg), void *child_stack, int flags, void *arg, ...)
+ the kernel entry is:
+ int clone (long flags, void *child_stack)
+*/
+
+int
+clone (int (*fn)(void *arg), void *child_stack, int flags, void *arg, ...)
+{
+ int err;
+
+ /* OK, here's the skinny on this one...
+ * OR1K GCC does weird things with varargs functions... the last
+ * parameter is NEVER passed on the stack -- i.e. arg, in this case.
+ * So we need to push at least 'arg' onto the child stack so that
+ * the new thread can find it. Just to be totally safe, we'll
+ * push both 'fn' and 'arg'; that way we don't need to care what
+ * GCC does with parameters, whether they are passed in registers
+ * or on stack.
+ */
+
+ /* Put 'fn' and 'arg' on child stack */
+ __asm__ __volatile__ (
+ "l.sw -4(%0),%1;"
+ "l.sw -8(%0),%2;"
+ :
+ : "r" (child_stack), "r" (fn), "r" (arg)
+ );
+
+ /* 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);
+
+ /* NB: from here you are in child thread or parent thread.
+ *
+ * Do not use any functions here that may write data _up_
+ * onto the stack because they will overwrite the child's
+ * thread descriptor... i.e. don't use printf
+ */
+
+ if (err < 0)
+ goto syscall_error;
+ else if (err != 0) {
+ return err;
+ }
+
+ /* NB: from here you exclusively in child thread */
+
+ /* Grab 'fn' and 'arg' from child stack */
+ __asm__ __volatile__ (
+ "l.lwz %0,-4(%2);"
+ "l.lwz %1,-8(%2);"
+ : "=&r" (fn), "=r" (arg)
+ : "r" (child_stack)
+ : "0", "1"
+ );
+
+ _exit(fn(arg));
+
+syscall_error:
+ __set_errno (-err);
+ return -1;
+}
diff --git a/libc/sysdeps/linux/or1k/crt1.S b/libc/sysdeps/linux/or1k/crt1.S
new file mode 100644
index 000000000..c1926bef2
--- /dev/null
+++ b/libc/sysdeps/linux/or1k/crt1.S
@@ -0,0 +1,144 @@
+/* Copyright (C) 1995, 1996, 1997, 1998, 2001, 2002, 2005
+ Free Software Foundation, Inc.
+
+ Copyright (C) 2010 Embecosm Limited
+
+ Contributor Jeremy Bennett <jeremy.bennett@embecosm.com>
+ Contributor Joern Rennecke <joern.rennecke@embecosm.com>
+ With other contributions from the OpenCores community.
+
+ 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.
+
+ In addition to the permissions in the GNU Lesser General Public
+ License, the Free Software Foundation gives you unlimited
+ permission to link the compiled version of this file with other
+ programs, and to distribute those programs without any restriction
+ coming from the use of this file. (The GNU Lesser General Public
+ License restrictions do apply in other respects; for example, they
+ cover modification of the file, and distribution when not linked
+ into another program.)
+
+ Note that people who make modified versions of this file are not
+ obligated to grant this special exception for their modified
+ versions; it is their choice whether to do so. The GNU Lesser
+ General Public License gives permission to release a modified
+ version without this exception; this exception also makes it
+ possible to release a modified version which carries forward this
+ exception.
+
+ 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. */
+
+/* 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,%function
+
+/* This is the canonical entry point, usually the first thing in the text
+ segment.
+
+ sp The stack contains the arguments and environment:
+ 0(sp) argc
+ 4(sp) argv[0]
+ ...
+ (4*argc)(sp) NULL
+ (4*(argc+1))(sp) envp[0]
+ ...
+ NULL
+*/
+
+#include <features.h>
+
+.text
+ .globl _start
+ .type _start,%function
+
+.global _start
+_start:
+
+#ifdef __PIC__
+ /* Obtain a pointer to .got in r16 */
+ l.jal .LPC0
+#ifndef __OR1K_NODELAY__
+ l.nop
+#endif
+.LPC0:
+ l.movhi r16, gotpchi(_GLOBAL_OFFSET_TABLE_+(.-.LPC0))
+ l.ori r16, r16, gotpclo(_GLOBAL_OFFSET_TABLE_+(.-.LPC0))
+ l.add r16, r16, r9
+#endif
+
+ /* Push stack limit onto the stack */
+ /* Provides highest stack address to user code (as stack grows
+ * downwards
+ * This is the seventh argument to __uClibc_main and thus needs to
+ * be passed on the stack
+ */
+ l.sw -4(r1),r1
+
+ /* Take values for argc and argv off the stack.
+ * These will be passed as arguments two and three to __uClibc_main
+ * and thus go in registers r4 and r5, respectively
+ */
+ l.lwz r4,0(r1)
+ l.addi r5,r1,4
+
+#ifdef __PIC__
+ l.lwz r3,got(main)(r16)
+#else
+ l.movhi r3,hi(main)
+ l.ori r3,r3,lo(main)
+#endif
+
+ /* Put the constructor and destructor initialization as args four and
+ five into r6 and r7 */
+#ifdef __PIC__
+ l.lwz r6, got(_init)(r16)
+ l.lwz r7, got(_fini)(r16)
+#else
+ l.movhi r6,hi(_init)
+ l.ori r6,r6,lo(_init)
+ l.movhi r7,hi(_fini)
+ l.ori r7,r7,lo(_fini)
+#endif
+
+ /* rtld_fini = NULL */
+ l.movhi r8, 0
+
+ /* Adjust stack to account for a total of 7 args (i.e. the last one is
+ on the stack. */
+ l.addi r1,r1,-4
+
+ /* Clear the frame pointer and link register since this is the
+ * outermost frame.
+ */
+ l.add r2,r0,r0
+ l.add r9,r0,r0
+
+ /* Let the libc call main and exit with its return code. */
+#ifdef __PIC__
+ l.j plt(__uClibc_main)
+#else
+ l.j __uClibc_main
+#endif
+ l.nop
+
+/* Define a symbol for the first piece of initialized data. */
+ .data
+ .globl __data_start
+__data_start:
+ .long 0
+ .weak data_start
+ data_start = __data_start
diff --git a/libc/sysdeps/linux/or1k/crti.S b/libc/sysdeps/linux/or1k/crti.S
new file mode 100644
index 000000000..a96476b5e
--- /dev/null
+++ b/libc/sysdeps/linux/or1k/crti.S
@@ -0,0 +1,11 @@
+ .section .init
+ .global _init
+_init:
+ l.addi r1,r1,-4
+ l.sw 0(r1),r9
+
+ .section .fini
+ .global _fini
+_fini:
+ l.addi r1,r1,-4
+ l.sw 0(r1),r9
diff --git a/libc/sysdeps/linux/or1k/crtn.S b/libc/sysdeps/linux/or1k/crtn.S
new file mode 100644
index 000000000..b3e8688ef
--- /dev/null
+++ b/libc/sysdeps/linux/or1k/crtn.S
@@ -0,0 +1,9 @@
+ .section .init
+ l.lwz r9,0(r1)
+ l.jr r9
+ l.addi r1,r1,4
+
+ .section .fini
+ l.lwz r9,0(r1)
+ l.jr r9
+ l.addi r1,r1,4
diff --git a/libc/sysdeps/linux/or1k/jmpbuf-offsets.h b/libc/sysdeps/linux/or1k/jmpbuf-offsets.h
new file mode 100644
index 000000000..8cd82a104
--- /dev/null
+++ b/libc/sysdeps/linux/or1k/jmpbuf-offsets.h
@@ -0,0 +1,8 @@
+#include <features.h>
+
+#define JB_SR 0
+#define JB_GPRS 1
+#define JB_SP 1
+#define JB_LR 9
+#define JB_RV 11
+#define JB_SIZE (32*4)
diff --git a/libc/sysdeps/linux/or1k/jmpbuf-unwind.h b/libc/sysdeps/linux/or1k/jmpbuf-unwind.h
new file mode 100644
index 000000000..436073b60
--- /dev/null
+++ b/libc/sysdeps/linux/or1k/jmpbuf-unwind.h
@@ -0,0 +1,24 @@
+/* Copyright (C) 2005,2006 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, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <setjmp.h>
+#include <jmpbuf-offsets.h>
+
+/* Test if longjmp to JMPBUF would unwind the frame
+ containing a local variable at ADDRESS. */
+#define _JMPBUF_UNWINDS(jmpbuf, address) \
+ ((void *) (address) < (void *) (jmpbuf)[JB_SP])
diff --git a/libc/sysdeps/linux/or1k/sbrk.c b/libc/sysdeps/linux/or1k/sbrk.c
new file mode 100644
index 000000000..bd0635fcd
--- /dev/null
+++ b/libc/sysdeps/linux/or1k/sbrk.c
@@ -0,0 +1,27 @@
+/* From libc-5.3.12 */
+
+#include <errno.h>
+#include <unistd.h>
+#include <sys/syscall.h>
+libc_hidden_proto(sbrk)
+
+extern void * ___brk_addr;
+
+extern int __init_brk (void);
+extern void *_brk(void *ptr);
+
+void *
+sbrk(intptr_t increment)
+{
+ if (__init_brk () == 0)
+ {
+ char * tmp = (char*)___brk_addr+increment;
+ ___brk_addr = _brk(tmp);
+ if (___brk_addr == tmp)
+ return tmp-increment;
+ __set_errno(ENOMEM);
+ return ((void *) -1);
+ }
+ return ((void *) -1);
+}
+libc_hidden_def(sbrk)
diff --git a/libc/sysdeps/linux/or1k/setjmp.S b/libc/sysdeps/linux/or1k/setjmp.S
new file mode 100644
index 000000000..2814f2f24
--- /dev/null
+++ b/libc/sysdeps/linux/or1k/setjmp.S
@@ -0,0 +1,96 @@
+/* setjmp for or1k
+
+ Based on:
+ setjmp for PowerPC.
+ Copyright (C) 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. */
+
+#include "spr_defs.h"
+#include <jmpbuf-offsets.h>
+
+#ifdef __UCLIBC_HAS_FLOATS__
+#define FP(x...) x
+#else
+#define FP(x...)
+#endif
+
+.globl _setjmp
+.type _setjmp, @function
+.align 2
+
+_setjmp:
+ l.addi r4,r0,0 /* Set second argument to 0. */
+ l.j .Local_sigsetjmp
+ l.nop
+.size _setjmp,.-_setjmp
+
+.globl __setjmp
+.type __setjmp, @function
+.align 2
+
+__setjmp:
+ l.addi r4,r0,1 /* Set second argument to 1. */
+ l.j .Local_sigsetjmp
+ l.nop
+.size __setjmp,.-__setjmp
+
+.globl setjmp
+.set setjmp,__setjmp
+
+.globl __sigsetjmp
+.type __sigsetjmp, @function
+.align 2
+
+__sigsetjmp:
+.Local_sigsetjmp:
+# l.mfspr r11,r0,SPR_SR
+# l.sw (JB_SR*4)(r3),r11
+ l.sw ((JB_GPRS+0)*4)(r3),r1
+ l.sw ((JB_GPRS+1)*4)(r3),r2
+/* l.sw ((JB_GPRS+2)*4)(r3),r3*/
+ l.sw ((JB_GPRS+3)*4)(r3),r4
+ l.sw ((JB_GPRS+4)*4)(r3),r5
+ l.sw ((JB_GPRS+5)*4)(r3),r6
+ l.sw ((JB_GPRS+6)*4)(r3),r7
+ l.sw ((JB_GPRS+7)*4)(r3),r8
+ l.sw ((JB_GPRS+8)*4)(r3),r9
+ l.sw ((JB_GPRS+9)*4)(r3),r10
+ l.sw ((JB_GPRS+10)*4)(r3),r11
+ l.sw ((JB_GPRS+11)*4)(r3),r12
+ l.sw ((JB_GPRS+12)*4)(r3),r13
+ l.sw ((JB_GPRS+13)*4)(r3),r14
+ l.sw ((JB_GPRS+14)*4)(r3),r15
+ l.sw ((JB_GPRS+15)*4)(r3),r16
+ l.sw ((JB_GPRS+16)*4)(r3),r17
+ l.sw ((JB_GPRS+17)*4)(r3),r18
+ l.sw ((JB_GPRS+18)*4)(r3),r19
+ l.sw ((JB_GPRS+19)*4)(r3),r20
+ l.sw ((JB_GPRS+20)*4)(r3),r21
+ l.sw ((JB_GPRS+21)*4)(r3),r22
+ l.sw ((JB_GPRS+22)*4)(r3),r23
+ l.sw ((JB_GPRS+23)*4)(r3),r24
+ l.sw ((JB_GPRS+24)*4)(r3),r25
+ l.sw ((JB_GPRS+25)*4)(r3),r26
+ l.sw ((JB_GPRS+26)*4)(r3),r27
+ l.sw ((JB_GPRS+27)*4)(r3),r28
+ l.sw ((JB_GPRS+28)*4)(r3),r29
+ l.sw ((JB_GPRS+29)*4)(r3),r30
+ l.sw ((JB_GPRS+30)*4)(r3),r31
+ l.j __sigjmp_save
+ l.nop
+.size __sigsetjmp,.-__sigsetjmp
diff --git a/libc/sysdeps/linux/or1k/spr_defs.h b/libc/sysdeps/linux/or1k/spr_defs.h
new file mode 100644
index 000000000..263d3e43a
--- /dev/null
+++ b/libc/sysdeps/linux/or1k/spr_defs.h
@@ -0,0 +1,429 @@
+/* spr_defs.h -- Defines OR1K architecture specific special-purpose registers
+ Copyright (C) 1999 Damjan Lampret, lampret@opencores.org
+
+This file is part of OpenRISC 1000 Architectural Simulator.
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU 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 General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+/* This file is also used by microkernel test bench. Among
+others it is also used in assembly file(s). */
+
+/* Definition of special-purpose registers (SPRs) */
+
+#define MAX_GRPS (32)
+#define MAX_SPRS_PER_GRP_BITS (11)
+#define MAX_SPRS_PER_GRP (1 << MAX_SPRS_PER_GRP_BITS)
+#define MAX_SPRS (0x10000)
+
+/* Base addresses for the groups */
+#define SPRGROUP_SYS (0<< MAX_SPRS_PER_GRP_BITS)
+#define SPRGROUP_DMMU (1<< MAX_SPRS_PER_GRP_BITS)
+#define SPRGROUP_IMMU (2<< MAX_SPRS_PER_GRP_BITS)
+#define SPRGROUP_DC (3<< MAX_SPRS_PER_GRP_BITS)
+#define SPRGROUP_IC (4<< MAX_SPRS_PER_GRP_BITS)
+#define SPRGROUP_MAC (5<< MAX_SPRS_PER_GRP_BITS)
+#define SPRGROUP_D (6<< MAX_SPRS_PER_GRP_BITS)
+#define SPRGROUP_PC (7<< MAX_SPRS_PER_GRP_BITS)
+#define SPRGROUP_PM (8<< MAX_SPRS_PER_GRP_BITS)
+#define SPRGROUP_PIC (9<< MAX_SPRS_PER_GRP_BITS)
+#define SPRGROUP_TT (10<< MAX_SPRS_PER_GRP_BITS)
+
+/* System control and status group */
+#define SPR_VR (SPRGROUP_SYS + 0)
+#define SPR_UPR (SPRGROUP_SYS + 1)
+#define SPR_CPUCFGR (SPRGROUP_SYS + 2)
+#define SPR_DMMUCFGR (SPRGROUP_SYS + 3)
+#define SPR_IMMUCFGR (SPRGROUP_SYS + 4)
+#define SPR_DCCFGR (SPRGROUP_SYS + 5)
+#define SPR_ICCFGR (SPRGROUP_SYS + 6)
+#define SPR_DCFGR (SPRGROUP_SYS + 7)
+#define SPR_PCCFGR (SPRGROUP_SYS + 8)
+#define SPR_NPC (SPRGROUP_SYS + 16) /* CZ 21/06/01 */
+#define SPR_SR (SPRGROUP_SYS + 17) /* CZ 21/06/01 */
+#define SPR_PPC (SPRGROUP_SYS + 18) /* CZ 21/06/01 */
+#define SPR_EPCR_BASE (SPRGROUP_SYS + 32) /* CZ 21/06/01 */
+#define SPR_EPCR_LAST (SPRGROUP_SYS + 47) /* CZ 21/06/01 */
+#define SPR_EEAR_BASE (SPRGROUP_SYS + 48)
+#define SPR_EEAR_LAST (SPRGROUP_SYS + 63)
+#define SPR_ESR_BASE (SPRGROUP_SYS + 64)
+#define SPR_ESR_LAST (SPRGROUP_SYS + 79)
+
+/* Data MMU group */
+#define SPR_DMMUCR (SPRGROUP_DMMU + 0)
+#define SPR_DTLBMR_BASE(WAY) (SPRGROUP_DMMU + 0x200 + (WAY) * 0x100)
+#define SPR_DTLBMR_LAST(WAY) (SPRGROUP_DMMU + 0x27f + (WAY) * 0x100)
+#define SPR_DTLBTR_BASE(WAY) (SPRGROUP_DMMU + 0x280 + (WAY) * 0x100)
+#define SPR_DTLBTR_LAST(WAY) (SPRGROUP_DMMU + 0x2ff + (WAY) * 0x100)
+
+/* Instruction MMU group */
+#define SPR_IMMUCR (SPRGROUP_IMMU + 0)
+#define SPR_ITLBMR_BASE(WAY) (SPRGROUP_IMMU + 0x200 + (WAY) * 0x100)
+#define SPR_ITLBMR_LAST(WAY) (SPRGROUP_IMMU + 0x27f + (WAY) * 0x100)
+#define SPR_ITLBTR_BASE(WAY) (SPRGROUP_IMMU + 0x280 + (WAY) * 0x100)
+#define SPR_ITLBTR_LAST(WAY) (SPRGROUP_IMMU + 0x2ff + (WAY) * 0x100)
+
+/* Data cache group */
+#define SPR_DCCR (SPRGROUP_DC + 0)
+#define SPR_DCBPR (SPRGROUP_DC + 1)
+#define SPR_DCBFR (SPRGROUP_DC + 2)
+#define SPR_DCBIR (SPRGROUP_DC + 3)
+#define SPR_DCBWR (SPRGROUP_DC + 4)
+#define SPR_DCBLR (SPRGROUP_DC + 5)
+#define SPR_DCR_BASE(WAY) (SPRGROUP_DC + 0x200 + (WAY) * 0x200)
+#define SPR_DCR_LAST(WAY) (SPRGROUP_DC + 0x3ff + (WAY) * 0x200)
+
+/* Instruction cache group */
+#define SPR_ICCR (SPRGROUP_IC + 0)
+#define SPR_ICBPR (SPRGROUP_IC + 1)
+#define SPR_ICBIR (SPRGROUP_IC + 2)
+#define SPR_ICBLR (SPRGROUP_IC + 3)
+#define SPR_ICR_BASE(WAY) (SPRGROUP_IC + 0x200 + (WAY) * 0x200)
+#define SPR_ICR_LAST(WAY) (SPRGROUP_IC + 0x3ff + (WAY) * 0x200)
+
+/* MAC group */
+#define SPR_MACLO (SPRGROUP_MAC + 1)
+#define SPR_MACHI (SPRGROUP_MAC + 2)
+
+/* Debug group */
+#define SPR_DVR(N) (SPRGROUP_D + (N))
+#define SPR_DCR(N) (SPRGROUP_D + 8 + (N))
+#define SPR_DMR1 (SPRGROUP_D + 16)
+#define SPR_DMR2 (SPRGROUP_D + 17)
+#define SPR_DWCR0 (SPRGROUP_D + 18)
+#define SPR_DWCR1 (SPRGROUP_D + 19)
+#define SPR_DSR (SPRGROUP_D + 20)
+#define SPR_DRR (SPRGROUP_D + 21)
+
+/* Performance counters group */
+#define SPR_PCCR(N) (SPRGROUP_PC + (N))
+#define SPR_PCMR(N) (SPRGROUP_PC + 8 + (N))
+
+/* Power management group */
+#define SPR_PMR (SPRGROUP_PM + 0)
+
+/* PIC group */
+#define SPR_PICMR (SPRGROUP_PIC + 0)
+#define SPR_PICPR (SPRGROUP_PIC + 1)
+#define SPR_PICSR (SPRGROUP_PIC + 2)
+
+/* Tick Timer group */
+#define SPR_TTMR (SPRGROUP_TT + 0)
+#define SPR_TTCR (SPRGROUP_TT + 1)
+
+/*
+ * Bit definitions for the Version Register
+ *
+ */
+#define SPR_VR_VER 0xffff0000 /* Processor version */
+#define SPR_VR_REV 0x0000003f /* Processor revision */
+
+/*
+ * Bit definitions for the Unit Present Register
+ *
+ */
+#define SPR_UPR_UP 0x00000001 /* UPR present */
+#define SPR_UPR_DCP 0x00000002 /* Data cache present */
+#define SPR_UPR_ICP 0x00000004 /* Instruction cache present */
+#define SPR_UPR_DMP 0x00000008 /* Data MMU present */
+#define SPR_UPR_IMP 0x00000010 /* Instruction MMU present */
+#define SPR_UPR_OB32P 0x00000020 /* ORBIS32 present */
+#define SPR_UPR_OB64P 0x00000040 /* ORBIS64 present */
+#define SPR_UPR_OF32P 0x00000080 /* ORFPX32 present */
+#define SPR_UPR_OF64P 0x00000100 /* ORFPX64 present */
+#define SPR_UPR_OV32P 0x00000200 /* ORVDX32 present */
+#define SPR_UPR_OV64P 0x00000400 /* ORVDX64 present */
+#define SPR_UPR_DUP 0x00000800 /* Debug unit present */
+#define SPR_UPR_PCUP 0x00001000 /* Performance counters unit present */
+#define SPR_UPR_PMP 0x00002000 /* Power management present */
+#define SPR_UPR_PICP 0x00004000 /* PIC present */
+#define SPR_UPR_TTP 0x00008000 /* Tick timer present */
+#define SPR_UPR_SRP 0x00010000 /* Shadow registers present */
+#define SPR_UPR_RES 0x00fe0000 /* ORVDX32 present */
+#define SPR_UPR_CUST 0xff000000 /* Custom units */
+
+/*
+ * Bit definitions for the Supervision Register
+ *
+ */
+#define SPR_SR_CID 0xf0000000 /* Context ID */
+#define SPR_SR_SUMRA 0x00010000 /* Supervisor SPR read access */
+#define SPR_SR_FO 0x00008000 /* Fixed one */
+#define SPR_SR_EPH 0x00004000 /* Exception Prefix High */
+#define SPR_SR_DSX 0x00002000 /* Delay Slot Exception */
+#define SPR_SR_OVE 0x00001000 /* Overflow flag Exception */
+#define SPR_SR_OV 0x00000800 /* Overflow flag */
+#define SPR_SR_CY 0x00000400 /* Carry flag */
+#define SPR_SR_F 0x00000200 /* Condition Flag */
+#define SPR_SR_CE 0x00000100 /* CID Enable */
+#define SPR_SR_LEE 0x00000080 /* Little Endian Enable */
+#define SPR_SR_IME 0x00000040 /* Instruction MMU Enable */
+#define SPR_SR_DME 0x00000020 /* Data MMU Enable */
+#define SPR_SR_ICE 0x00000010 /* Instruction Cache Enable */
+#define SPR_SR_DCE 0x00000008 /* Data Cache Enable */
+#define SPR_SR_IEE 0x00000004 /* Interrupt Exception Enable */
+#define SPR_SR_TEE 0x00000002 /* Tick timer Exception Enable */
+#define SPR_SR_SM 0x00000001 /* Supervisor Mode */
+
+/*
+ * Bit definitions for the Data MMU Control Register
+ *
+ */
+#define SPR_DMMUCR_P2S 0x0000003e /* Level 2 Page Size */
+#define SPR_DMMUCR_P1S 0x000007c0 /* Level 1 Page Size */
+#define SPR_DMMUCR_VADDR_WIDTH 0x0000f800 /* Virtual ADDR Width */
+#define SPR_DMMUCR_PADDR_WIDTH 0x000f0000 /* Physical ADDR Width */
+
+/*
+ * Bit definitions for the Instruction MMU Control Register
+ *
+ */
+#define SPR_IMMUCR_P2S 0x0000003e /* Level 2 Page Size */
+#define SPR_IMMUCR_P1S 0x000007c0 /* Level 1 Page Size */
+#define SPR_IMMUCR_VADDR_WIDTH 0x0000f800 /* Virtual ADDR Width */
+#define SPR_IMMUCR_PADDR_WIDTH 0x000f0000 /* Physical ADDR Width */
+
+/*
+ * Bit definitions for the Data TLB Match Register
+ *
+ */
+#define SPR_DTLBMR_V 0x00000001 /* Valid */
+#define SPR_DTLBMR_PL1 0x00000002 /* Page Level 1 (if 0 then PL2) */
+#define SPR_DTLBMR_CID 0x0000003c /* Context ID */
+#define SPR_DTLBMR_LRU 0x000000c0 /* Least Recently Used */
+#define SPR_DTLBMR_VPN 0xfffff000 /* Virtual Page Number */
+
+/*
+ * Bit definitions for the Data TLB Translate Register
+ *
+ */
+#define SPR_DTLBTR_CC 0x00000001 /* Cache Coherency */
+#define SPR_DTLBTR_CI 0x00000002 /* Cache Inhibit */
+#define SPR_DTLBTR_WBC 0x00000004 /* Write-Back Cache */
+#define SPR_DTLBTR_WOM 0x00000008 /* Weakly-Ordered Memory */
+#define SPR_DTLBTR_A 0x00000010 /* Accessed */
+#define SPR_DTLBTR_D 0x00000020 /* Dirty */
+#define SPR_DTLBTR_URE 0x00000040 /* User Read Enable */
+#define SPR_DTLBTR_UWE 0x00000080 /* User Write Enable */
+#define SPR_DTLBTR_SRE 0x00000100 /* Supervisor Read Enable */
+#define SPR_DTLBTR_SWE 0x00000200 /* Supervisor Write Enable */
+#define SPR_DTLBTR_PPN 0xfffff000 /* Physical Page Number */
+
+/*
+ * Bit definitions for the Instruction TLB Match Register
+ *
+ */
+#define SPR_ITLBMR_V 0x00000001 /* Valid */
+#define SPR_ITLBMR_PL1 0x00000002 /* Page Level 1 (if 0 then PL2) */
+#define SPR_ITLBMR_CID 0x0000003c /* Context ID */
+#define SPR_ITLBMR_LRU 0x000000c0 /* Least Recently Used */
+#define SPR_ITLBMR_VPN 0xfffff000 /* Virtual Page Number */
+
+/*
+ * Bit definitions for the Instruction TLB Translate Register
+ *
+ */
+#define SPR_ITLBTR_CC 0x00000001 /* Cache Coherency */
+#define SPR_ITLBTR_CI 0x00000002 /* Cache Inhibit */
+#define SPR_ITLBTR_WBC 0x00000004 /* Write-Back Cache */
+#define SPR_ITLBTR_WOM 0x00000008 /* Weakly-Ordered Memory */
+#define SPR_ITLBTR_A 0x00000010 /* Accessed */
+#define SPR_ITLBTR_D 0x00000020 /* Dirty */
+#define SPR_ITLBTR_SXE 0x00000040 /* User Read Enable */
+#define SPR_ITLBTR_UXE 0x00000080 /* User Write Enable */
+#define SPR_ITLBTR_PPN 0xfffff000 /* Physical Page Number */
+
+/*
+ * Bit definitions for Data Cache Control register
+ *
+ */
+#define SPR_DCCR_EW 0x000000ff /* Enable ways */
+
+/*
+ * Bit definitions for Insn Cache Control register
+ *
+ */
+#define SPR_ICCR_EW 0x000000ff /* Enable ways */
+
+/*
+ * Bit definitions for Debug Control registers
+ *
+ */
+#define SPR_DCR_DP 0x00000001 /* DVR/DCR present */
+#define SPR_DCR_CC 0x0000000e /* Compare condition */
+#define SPR_DCR_SC 0x00000010 /* Signed compare */
+#define SPR_DCR_CT 0x000000e0 /* Compare to */
+
+/* Bit results with SPR_DCR_CC mask */
+#define SPR_DCR_CC_MASKED 0x00000000
+#define SPR_DCR_CC_EQUAL 0x00000001
+#define SPR_DCR_CC_LESS 0x00000002
+#define SPR_DCR_CC_LESSE 0x00000003
+#define SPR_DCR_CC_GREAT 0x00000004
+#define SPR_DCR_CC_GREATE 0x00000005
+#define SPR_DCR_CC_NEQUAL 0x00000006
+
+/* Bit results with SPR_DCR_CT mask */
+#define SPR_DCR_CT_DISABLED 0x00000000
+#define SPR_DCR_CT_IFEA 0x00000020
+#define SPR_DCR_CT_LEA 0x00000040
+#define SPR_DCR_CT_SEA 0x00000060
+#define SPR_DCR_CT_LD 0x00000080
+#define SPR_DCR_CT_SD 0x000000a0
+#define SPR_DCR_CT_LSEA 0x000000c0
+
+/*
+ * Bit definitions for Debug Mode 1 register
+ *
+ */
+#define SPR_DMR1_CW0 0x00000003 /* Chain watchpoint 0 */
+#define SPR_DMR1_CW1 0x0000000c /* Chain watchpoint 1 */
+#define SPR_DMR1_CW2 0x00000030 /* Chain watchpoint 2 */
+#define SPR_DMR1_CW3 0x000000c0 /* Chain watchpoint 3 */
+#define SPR_DMR1_CW4 0x00000300 /* Chain watchpoint 4 */
+#define SPR_DMR1_CW5 0x00000c00 /* Chain watchpoint 5 */
+#define SPR_DMR1_CW6 0x00003000 /* Chain watchpoint 6 */
+#define SPR_DMR1_CW7 0x0000c000 /* Chain watchpoint 7 */
+#define SPR_DMR1_CW8 0x00030000 /* Chain watchpoint 8 */
+#define SPR_DMR1_CW9 0x000c0000 /* Chain watchpoint 9 */
+#define SPR_DMR1_CW10 0x00300000 /* Chain watchpoint 10 */
+#define SPR_DMR1_ST 0x00400000 /* Single-step trace*/
+#define SPR_DMR1_BT 0x00800000 /* Branch trace */
+#define SPR_DMR1_DXFW 0x01000000 /* Disable external force watchpoint */
+
+/*
+ * Bit definitions for Debug Mode 2 register
+ *
+ */
+#define SPR_DMR2_WCE0 0x00000001 /* Watchpoint counter 0 enable */
+#define SPR_DMR2_WCE1 0x00000002 /* Watchpoint counter 0 enable */
+#define SPR_DMR2_AWTC 0x00001ffc /* Assign watchpoints to counters */
+#define SPR_DMR2_WGB 0x00ffe000 /* Watchpoints generating breakpoint */
+
+/*
+ * Bit definitions for Debug watchpoint counter registers
+ *
+ */
+#define SPR_DWCR_COUNT 0x0000ffff /* Count */
+#define SPR_DWCR_MATCH 0xffff0000 /* Match */
+
+/*
+ * Bit definitions for Debug stop register
+ *
+ */
+#define SPR_DSR_RSTE 0x00000001 /* Reset exception */
+#define SPR_DSR_BUSEE 0x00000002 /* Bus error exception */
+#define SPR_DSR_DPFE 0x00000004 /* Data Page Fault exception */
+#define SPR_DSR_IPFE 0x00000008 /* Insn Page Fault exception */
+#define SPR_DSR_TTE 0x00000010 /* iTick Timer exception */
+#define SPR_DSR_AE 0x00000020 /* Alignment exception */
+#define SPR_DSR_IIE 0x00000040 /* Illegal Instruction exception */
+#define SPR_DSR_IE 0x00000080 /* Interrupt exception */
+#define SPR_DSR_DME 0x00000100 /* DTLB miss exception */
+#define SPR_DSR_IME 0x00000200 /* ITLB miss exception */
+#define SPR_DSR_RE 0x00000400 /* Range exception */
+#define SPR_DSR_SCE 0x00000800 /* System call exception */
+#define SPR_DSR_SSE 0x00001000 /* Single Step Exception */
+#define SPR_DSR_TE 0x00002000 /* Trap exception */
+
+/*
+ * Bit definitions for Debug reason register
+ *
+ */
+#define SPR_DRR_RSTE 0x00000001 /* Reset exception */
+#define SPR_DRR_BUSEE 0x00000002 /* Bus error exception */
+#define SPR_DRR_DPFE 0x00000004 /* Data Page Fault exception */
+#define SPR_DRR_IPFE 0x00000008 /* Insn Page Fault exception */
+#define SPR_DRR_TTE 0x00000010 /* Tick Timer exception */
+#define SPR_DRR_AE 0x00000020 /* Alignment exception */
+#define SPR_DRR_IIE 0x00000040 /* Illegal Instruction exception */
+#define SPR_DRR_IE 0x00000080 /* Interrupt exception */
+#define SPR_DRR_DME 0x00000100 /* DTLB miss exception */
+#define SPR_DRR_IME 0x00000200 /* ITLB miss exception */
+#define SPR_DRR_RE 0x00000400 /* Range exception */
+#define SPR_DRR_SCE 0x00000800 /* System call exception */
+#define SPR_DRR_TE 0x00001000 /* Trap exception */
+
+/*
+ * Bit definitions for Performance counters mode registers
+ *
+ */
+#define SPR_PCMR_CP 0x00000001 /* Counter present */
+#define SPR_PCMR_UMRA 0x00000002 /* User mode read access */
+#define SPR_PCMR_CISM 0x00000004 /* Count in supervisor mode */
+#define SPR_PCMR_CIUM 0x00000008 /* Count in user mode */
+#define SPR_PCMR_LA 0x00000010 /* Load access event */
+#define SPR_PCMR_SA 0x00000020 /* Store access event */
+#define SPR_PCMR_IF 0x00000040 /* Instruction fetch event*/
+#define SPR_PCMR_DCM 0x00000080 /* Data cache miss event */
+#define SPR_PCMR_ICM 0x00000100 /* Insn cache miss event */
+#define SPR_PCMR_IFS 0x00000200 /* Insn fetch stall event */
+#define SPR_PCMR_LSUS 0x00000400 /* LSU stall event */
+#define SPR_PCMR_BS 0x00000800 /* Branch stall event */
+#define SPR_PCMR_DTLBM 0x00001000 /* DTLB miss event */
+#define SPR_PCMR_ITLBM 0x00002000 /* ITLB miss event */
+#define SPR_PCMR_DDS 0x00004000 /* Data dependency stall event */
+#define SPR_PCMR_WPE 0x03ff8000 /* Watchpoint events */
+
+/*
+ * Bit definitions for the Power management register
+ *
+ */
+#define SPR_PMR_SDF 0x0000000f /* Slow down factor */
+#define SPR_PMR_DME 0x00000010 /* Doze mode enable */
+#define SPR_PMR_SME 0x00000020 /* Sleep mode enable */
+#define SPR_PMR_DCGE 0x00000040 /* Dynamic clock gating enable */
+#define SPR_PMR_SUME 0x00000080 /* Suspend mode enable */
+
+/*
+ * Bit definitions for PICMR
+ *
+ */
+#define SPR_PICMR_IUM 0xfffffffc /* Interrupt unmask */
+
+/*
+ * Bit definitions for PICPR
+ *
+ */
+#define SPR_PICPR_IPRIO 0xfffffffc /* Interrupt priority */
+
+/*
+ * Bit definitions for PICSR
+ *
+ */
+#define SPR_PICSR_IS 0xffffffff /* Interrupt status */
+
+/*
+ * Bit definitions for Tick Timer Control Register
+ *
+ */
+#define SPR_TTCR_PERIOD 0x0fffffff /* Time Period */
+#define SPR_TTMR_PERIOD SPR_TTCR_PERIOD
+#define SPR_TTMR_IP 0x10000000 /* Interrupt Pending */
+#define SPR_TTMR_IE 0x20000000 /* Interrupt Enable */
+#define SPR_TTMR_RT 0x40000000 /* Restart tick */
+#define SPR_TTMR_SR 0x80000000 /* Single run */
+#define SPR_TTMR_CR 0xc0000000 /* Continuous run */
+#define SPR_TTMR_M 0xc0000000 /* Tick mode */
+
+/*
+ * l.nop constants
+ *
+ */
+#define NOP_NOP 0x0000 /* Normal nop instruction */
+#define NOP_EXIT 0x0001 /* End of simulation */
+#define NOP_REPORT 0x0002 /* Simple report */
+#define NOP_PRINTF 0x0003 /* Simprintf instruction */
+#define NOP_REPORT_FIRST 0x0400 /* Report with number */
+#define NOP_REPORT_LAST 0x03ff /* Report with number */
diff --git a/libc/sysdeps/linux/or1k/sys/procfs.h b/libc/sysdeps/linux/or1k/sys/procfs.h
new file mode 100644
index 000000000..9d4c68fec
--- /dev/null
+++ b/libc/sysdeps/linux/or1k/sys/procfs.h
@@ -0,0 +1,116 @@
+/* Copyright (C) 1996, 1997, 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_PROCFS_H
+#define _SYS_PROCFS_H 1
+
+/* This is somehow modelled after the file of the same name on SysVr4
+ systems. It provides a definition of the core file format for ELF
+ used on Linux. */
+
+#include <features.h>
+#include <signal.h>
+#include <sys/time.h>
+#include <sys/types.h>
+#include <sys/ucontext.h>
+
+#include <asm/elf.h>
+
+__BEGIN_DECLS
+
+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. Fields present but not used are
+ marked with "XXX". */
+struct elf_prstatus
+ {
+#if 0
+ long int pr_flags; /* XXX Process flags. */
+ short int pr_why; /* XXX Reason for process halt. */
+ short int pr_what; /* XXX More detailed reason. */
+#endif
+ 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. */
+#if 0
+ struct sigaltstack pr_altstack; /* Alternate stack info. */
+ struct sigaction pr_action; /* Signal action for current sig. */
+#endif
+ __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. */
+#if 0
+ long int pr_instr; /* Current instruction. */
+#endif
+ 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. */
+ __uid_t pr_uid;
+ __gid_t pr_gid;
+ __pid_t 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. */
+ };
+
+/* 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 habe only ine PID type. */
+typedef __pid_t lwpid_t;
+
+
+typedef struct elf_prstatus prstatus_t;
+typedef struct elf_prpsinfo prpsinfo_t;
+
+__END_DECLS
+
+#endif /* sys/procfs.h */
diff --git a/libc/sysdeps/linux/or1k/sys/ucontext.h b/libc/sysdeps/linux/or1k/sys/ucontext.h
new file mode 100644
index 000000000..0d82cdb1c
--- /dev/null
+++ b/libc/sysdeps/linux/or1k/sys/ucontext.h
@@ -0,0 +1,26 @@
+/* Copyright (C) 1997, 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_UCONTEXT_H
+#define _SYS_UCONTEXT_H 1
+
+#include <features.h>
+#include <signal.h>
+#include <asm/ucontext.h>
+
+#endif /* sys/ucontext.h */
diff --git a/libpthread/linuxthreads/sysdeps/or1k/pt-machine.h b/libpthread/linuxthreads/sysdeps/or1k/pt-machine.h
new file mode 100644
index 000000000..c6c8ee470
--- /dev/null
+++ b/libpthread/linuxthreads/sysdeps/or1k/pt-machine.h
@@ -0,0 +1,55 @@
+/* Machine-dependent pthreads configuration and inline functions.
+ OpenRISC version.
+ Copyright (C) 2001, 2002, 2003 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; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#ifndef _PT_MACHINE_H
+#define _PT_MACHINE_H 1
+
+#include <features.h>
+#include <sys/syscall.h>
+
+#ifndef PT_EI
+# define PT_EI __extern_always_inline
+#endif
+
+PT_EI long int testandset(int*);
+
+#define OR1K_ATOMIC_XCHG 1
+
+PT_EI long int
+testandset (int *spinlock)
+{
+ int err;
+ int oldvalue = 1;
+
+ err = INLINE_SYSCALL(or1k_atomic, 3, OR1K_ATOMIC_XCHG, spinlock, &oldvalue);
+
+ return (oldvalue);
+}
+
+/* Get some notion of the current stack. Need not be exactly the top
+ of the stack, just something somewhere in the current frame. */
+#define CURRENT_STACK_FRAME stack_pointer()
+static inline char *stack_pointer(void)
+{
+ unsigned long ret;
+ __asm__ __volatile__ ("l.ori %0, r1, 0" : "=r" (ret));
+ return (char *)ret;
+}
+#endif /* pt-machine.h */