lm32: add new architecture

Add support for FPGA systems from Lattice Semiconductor
http://www.latticesemi.com
Merge https://github.com/m-labs/uclibc-lm32.git

10 files changed, 526 insertions, 0 deletions

diff --git a/libc/sysdeps/linux/lm32/bits/endian.h b/libc/sysdeps/linux/lm32/bits/endian.h
new file mode 100644
index 000000000..1acee1892
--- /dev/null
+++ b/libc/sysdeps/linux/lm32/bits/endian.h
@@ -0,0 +1,13 @@
+/* This file should define __BYTE_ORDER as appropriate for the machine
+   in question.  See string/endian.h for how to define it.
+
+   If only the stub bits/endian.h applies to a particular configuration,
+   bytesex.h is generated by running a program on the host machine.
+   So if cross-compiling to a machine with a different byte order,
+   the bits/endian.h file for that machine must exist.  */
+
+#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/lm32/bits/fcntl.h b/libc/sysdeps/linux/lm32/bits/fcntl.h
new file mode 100644
index 000000000..44e8f3f5b
--- /dev/null
+++ b/libc/sysdeps/linux/lm32/bits/fcntl.h
@@ -0,0 +1,240 @@
+/* O_*, F_*, FD_* bit values for Linux.
+   Copyright (C) 2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#ifndef	_FCNTL_H
+# error "Never use <bits/fcntl.h> directly; include <fcntl.h> instead."
+#endif
+
+
+#include <sys/types.h>
+#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_DIRECTORY	 0200000	/* Must be a directory.	 */
+# define O_NOFOLLOW	0400000	/* Do not follow links.	 */
+# define O_DIRECT	040000	/* Direct disk access.	*/
+# define O_NOATIME     01000000 /* Do not set atime.  */
+# define O_CLOEXEC     02000000 /* set close_on_exec */
+#endif
+
+/* For now Linux has synchronisity options for data and read operations.
+   We define the symbols here but let them do the same as O_SYNC since
+   this is a superset.	*/
+#if defined __USE_POSIX199309 || defined __USE_UNIX98
+# define O_DSYNC	O_SYNC	/* Synchronize data.  */
+# define O_RSYNC	O_SYNC	/* Synchronize read operations.	 */
+#endif
+
+#ifdef __USE_LARGEFILE64
+# define O_LARGEFILE	0100000
+#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.	 */
+# define F_DUPFD_CLOEXEC 1030	/* Duplicate file descriptor with
+				   close-on-exit set on new fd.  */
+# define F_SETPIPE_SZ	1031	/* Set of pipe page size array */
+# define F_GETPIPE_SZ	1032	/* Get of pipe page size array */
+#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/lm32/bits/kernel_stat.h b/libc/sysdeps/linux/lm32/bits/kernel_stat.h
new file mode 100644
index 000000000..c998b56c7
--- /dev/null
+++ b/libc/sysdeps/linux/lm32/bits/kernel_stat.h
@@ -0,0 +1,50 @@
+#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;        /* Time of last access. */
+        struct timespec st_mtim;        /* Time of last modification. */
+        struct timespec st_ctim;        /* Time of last status change. */
+        unsigned int    __unused4;
+        unsigned int    __unused5;
+};
+
+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;        /* Time of last access. */
+        struct timespec st_mtim;        /* Time of last modification. */
+        struct timespec st_ctim;        /* Time of last status change. */
+        unsigned int    __unused4;
+        unsigned int    __unused5;
+};
+
+#endif  /*  _BITS_STAT_STRUCT_H */
diff --git a/libc/sysdeps/linux/lm32/bits/kernel_types.h b/libc/sysdeps/linux/lm32/bits/kernel_types.h
new file mode 100644
index 000000000..2c3c6df52
--- /dev/null
+++ b/libc/sysdeps/linux/lm32/bits/kernel_types.h
@@ -0,0 +1,37 @@
+#ifndef __ASM_GENERIC_POSIX_TYPES_H
+#define __ASM_GENERIC_POSIX_TYPES_H
+
+typedef unsigned long   __kernel_ino_t;
+typedef unsigned int    __kernel_mode_t;
+typedef unsigned long   __kernel_nlink_t;
+typedef long            __kernel_off_t;
+typedef int             __kernel_pid_t;
+typedef int             __kernel_ipc_pid_t;
+typedef unsigned int    __kernel_uid_t;
+typedef unsigned int    __kernel_gid_t;
+typedef unsigned int    __kernel_size_t;
+typedef int             __kernel_ssize_t;
+typedef int             __kernel_ptrdiff_t;
+typedef long            __kernel_time_t;
+typedef long            __kernel_suseconds_t;
+typedef long            __kernel_clock_t;
+typedef int             __kernel_timer_t;
+typedef int             __kernel_clockid_t;
+typedef int             __kernel_daddr_t;
+typedef char *          __kernel_caddr_t;
+typedef unsigned short  __kernel_uid16_t;
+typedef unsigned short  __kernel_gid16_t;
+typedef __kernel_uid_t  __kernel_uid32_t;
+typedef __kernel_gid_t  __kernel_gid32_t;
+
+typedef __kernel_uid_t  __kernel_old_uid_t;
+typedef __kernel_gid_t  __kernel_old_gid_t;
+typedef unsigned int    __kernel_old_dev_t;
+
+typedef long long       __kernel_loff_t;
+
+typedef struct {
+        int val[2];
+} __kernel_fsid_t;
+
+#endif /* __ASM_GENERIC_POSIX_TYPES_H */
diff --git a/libc/sysdeps/linux/lm32/bits/setjmp.h b/libc/sysdeps/linux/lm32/bits/setjmp.h
new file mode 100644
index 000000000..6798083bd
--- /dev/null
+++ b/libc/sysdeps/linux/lm32/bits/setjmp.h
@@ -0,0 +1,24 @@
+#ifndef _BITS_SETJMP_H
+#define _BITS_SETJMP_H	1
+
+#if !defined _SETJMP_H && !defined _PTHREAD_H
+# error "Never include <bits/setjmp.h> directly; use <setjmp.h> instead."
+#endif
+
+#ifndef _ASM
+typedef struct
+  {
+    int __regs[15]; /* callee-saved registers r11-r25 */
+    void *__gp;     /* global pointer */
+    void *__fp;     /* frame pointer */
+    void *__sp;     /* stack pointer */
+    void *__ra;     /* return address */
+  } __jmp_buf[1];
+#endif
+
+/* Test if longjmp to JMPBUF would unwind the frame
+   containing a local variable at ADDRESS.  */
+#define _JMPBUF_UNWINDS(jmpbuf, address) \
+  ((void *) (address) < (void *) (jmpbuf)[0].__sp)
+
+#endif
diff --git a/libc/sysdeps/linux/lm32/bits/stackinfo.h b/libc/sysdeps/linux/lm32/bits/stackinfo.h
new file mode 100644
index 000000000..695616e86
--- /dev/null
+++ b/libc/sysdeps/linux/lm32/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.  Since there is no general truth we can't say
+   anything here.  */
+
+#ifndef _STACKINFO_H
+#define _STACKINFO_H	1
+
+#define _STACK_GROWS_DOWN	1
+
+#endif	/* stackinfo.h */
diff --git a/libc/sysdeps/linux/lm32/bits/syscalls.h b/libc/sysdeps/linux/lm32/bits/syscalls.h
new file mode 100644
index 000000000..29569545b
--- /dev/null
+++ b/libc/sysdeps/linux/lm32/bits/syscalls.h
@@ -0,0 +1,59 @@
+#ifndef _BITS_SYSCALLS_H
+#define _BITS_SYSCALLS_H
+#ifndef _SYSCALL_H
+# error "Never use <bits/syscalls.h> directly; include <sys/syscall.h> instead."
+#endif
+
+
+#ifndef __ASSEMBLER__
+
+#define INTERNAL_SYSCALL_NCS(name, err, nr, args...)                    \
+        ({                                                              \
+                LOAD_ARGS_##nr (args);                                  \
+                register int __ret __asm__("r1");                       \
+                register int _scno __asm__("r8") = name;                \
+                __asm__ __volatile__("scall"                            \
+                              : "=r" (__ret)                            \
+                              :  "r"(_scno) ASM_ARGS_##nr               \
+                              : __SYSCALL_CLOBBERS );                   \
+                __ret;                                                  \
+        })
+
+/* original port had ret >= -125 ?! */
+#define LOAD_ARGS_0() do { } while(0)
+#define ASM_ARGS_0
+#define LOAD_ARGS_1(a1)                                 \
+	int _a1 = (int)(a1);				\
+	LOAD_ARGS_0();					\
+	register int __a1 __asm__("r1") = _a1
+#define ASM_ARGS_1      ASM_ARGS_0, "0"(__a1)
+#define LOAD_ARGS_2(a1, a2)                             \
+	int _a2 = (int)(a2);				\
+	LOAD_ARGS_1(a1);				\
+	register int __a2 __asm__("r2") = _a2
+#define ASM_ARGS_2      ASM_ARGS_1, "r"(__a2)
+#define LOAD_ARGS_3(a1, a2, a3)                         \
+	int _a3 = (int)(a3);				\
+	LOAD_ARGS_2(a1, a2);				\
+	register int __a3 __asm__("r3") = _a3
+#define ASM_ARGS_3      ASM_ARGS_2, "r"(__a3)
+#define LOAD_ARGS_4(a1, a2, a3, a4)                     \
+	int _a4 = (int)(a4);				\
+	LOAD_ARGS_3(a1, a2, a3);			\
+	register int __a4 __asm__("r4") = _a4
+#define ASM_ARGS_4      ASM_ARGS_3, "r"(__a4)
+#define LOAD_ARGS_5(a1, a2, a3, a4, a5)                 \
+	int _a5 = (int)(a5);				\
+	LOAD_ARGS_4(a1, a2, a3, a4);			\
+	register int __a5 __asm__("r5") = _a5
+#define ASM_ARGS_5      ASM_ARGS_4, "r"(__a5)
+#define LOAD_ARGS_6(a1, a2, a3, a4, a5, a6)             \
+	int _a6 = (int)(a6);				\
+	LOAD_ARGS_5(a1, a2, a3, a4, a5);		\
+	register int __a6 __asm__("r6") = _a6
+#define ASM_ARGS_6      ASM_ARGS_5, "r"(__a6)
+
+#define __SYSCALL_CLOBBERS
+
+#endif /* __ASSEMBLER__ */
+#endif /* _BITS_SYSCALLS_H */
diff --git a/libc/sysdeps/linux/lm32/bits/uClibc_arch_features.h b/libc/sysdeps/linux/lm32/bits/uClibc_arch_features.h
new file mode 100644
index 000000000..4bab5476d
--- /dev/null
+++ b/libc/sysdeps/linux/lm32/bits/uClibc_arch_features.h
@@ -0,0 +1,48 @@
+/*
+ * Track misc arch-specific features that aren't config options
+ */
+
+#ifndef _BITS_UCLIBC_ARCH_FEATURES_H
+#define _BITS_UCLIBC_ARCH_FEATURES_H
+
+/* instruction used when calling abort() to kill yourself */
+/*#define __UCLIBC_ABORT_INSTRUCTION__ "asm instruction"*/
+#undef __UCLIBC_ABORT_INSTRUCTION__
+
+/* 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 CFI pseudo ops */
+#undef __UCLIBC_HAVE_ASM_CFI_DIRECTIVES__
+
+/* define if target supports IEEE signed zero floats */
+#define __UCLIBC_HAVE_SIGNED_ZERO__
+
+/* only weird assemblers generally need this */
+#undef __UCLIBC_ASM_LINE_SEP__
+
+#endif /* _BITS_UCLIBC_ARCH_FEATURES_H */
diff --git a/libc/sysdeps/linux/lm32/bits/uClibc_page.h b/libc/sysdeps/linux/lm32/bits/uClibc_page.h
new file mode 100644
index 000000000..a2d7ea2c8
--- /dev/null
+++ b/libc/sysdeps/linux/lm32/bits/uClibc_page.h
@@ -0,0 +1,26 @@
+/*  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.
+ */
+
+#ifndef _UCLIBC_PAGE_H
+#define _UCLIBC_PAGE_H
+
+#define PAGE_SHIFT	12
+#define PAGE_SIZE	(1UL << PAGE_SHIFT)
+#define PAGE_MASK	(~(PAGE_SIZE-1))
+
+#endif /* _UCLIBC_PAGE_H */
diff --git a/libc/sysdeps/linux/lm32/bits/wordsize.h b/libc/sysdeps/linux/lm32/bits/wordsize.h
new file mode 100644
index 000000000..b47eee944
--- /dev/null
+++ b/libc/sysdeps/linux/lm32/bits/wordsize.h
@@ -0,0 +1 @@
+#define __WORDSIZE 32