From b5bbbc0f5f2c2c36c56249c7b2e305eb78cab7e3 Mon Sep 17 00:00:00 2001
From: Eric Andersen <andersen@codepoet.org>
Date: Fri, 10 May 2002 08:28:15 +0000
Subject: First pass attempt at an alpha port

---
 libc/sysdeps/linux/alpha/Makefile         |  66 +++++++
 libc/sysdeps/linux/alpha/__longjmp.S      |  65 ++++++
 libc/sysdeps/linux/alpha/bits/elfclass.h  |  14 ++
 libc/sysdeps/linux/alpha/bits/endian.h    |   7 +
 libc/sysdeps/linux/alpha/bits/fcntl.h     | 173 ++++++++++++++++
 libc/sysdeps/linux/alpha/bits/ipc.h       |  55 ++++++
 libc/sysdeps/linux/alpha/bits/msq.h       |  74 +++++++
 libc/sysdeps/linux/alpha/bits/netdb.h     |  35 ++++
 libc/sysdeps/linux/alpha/bits/resource.h  | 208 ++++++++++++++++++++
 libc/sysdeps/linux/alpha/bits/sem.h       |  85 ++++++++
 libc/sysdeps/linux/alpha/bits/setjmp.h    |  82 ++++++++
 libc/sysdeps/linux/alpha/bits/shm.h       |  90 +++++++++
 libc/sysdeps/linux/alpha/bits/sigaction.h |  74 +++++++
 libc/sysdeps/linux/alpha/bits/siginfo.h   | 306 +++++++++++++++++++++++++++++
 libc/sysdeps/linux/alpha/bits/signum.h    |  82 ++++++++
 libc/sysdeps/linux/alpha/bits/sigstack.h  |  55 ++++++
 libc/sysdeps/linux/alpha/bits/socket.h    | 315 ++++++++++++++++++++++++++++++
 libc/sysdeps/linux/alpha/bits/stat.h      | 117 +++++++++++
 libc/sysdeps/linux/alpha/bits/statvfs.h   |  96 +++++++++
 libc/sysdeps/linux/alpha/bits/termios.h   | 205 +++++++++++++++++++
 libc/sysdeps/linux/alpha/bits/types.h     | 115 +++++++++++
 libc/sysdeps/linux/alpha/bits/wordsize.h  |  19 ++
 libc/sysdeps/linux/alpha/brk.S            |  87 +++++++++
 libc/sysdeps/linux/alpha/bsd-_setjmp.S    |   1 +
 libc/sysdeps/linux/alpha/bsd-setjmp.S     |   1 +
 libc/sysdeps/linux/alpha/clone.S          | 119 +++++++++++
 libc/sysdeps/linux/alpha/crt0.S           |  72 +++++++
 libc/sysdeps/linux/alpha/setjmp.S         |  97 +++++++++
 libc/sysdeps/linux/alpha/sys/acct.h       |  66 +++++++
 libc/sysdeps/linux/alpha/sys/io.h         |  95 +++++++++
 libc/sysdeps/linux/alpha/sys/procfs.h     | 115 +++++++++++
 libc/sysdeps/linux/alpha/sys/sysmacros.h  |  29 +++
 libc/sysdeps/linux/alpha/sys/ucontext.h   |  61 ++++++
 libc/sysdeps/linux/alpha/sys/user.h       |  50 +++++
 libc/sysdeps/linux/alpha/sysdep.c         |  27 +++
 35 files changed, 3158 insertions(+)
 create mode 100644 libc/sysdeps/linux/alpha/Makefile
 create mode 100644 libc/sysdeps/linux/alpha/__longjmp.S
 create mode 100644 libc/sysdeps/linux/alpha/bits/elfclass.h
 create mode 100644 libc/sysdeps/linux/alpha/bits/endian.h
 create mode 100644 libc/sysdeps/linux/alpha/bits/fcntl.h
 create mode 100644 libc/sysdeps/linux/alpha/bits/ipc.h
 create mode 100644 libc/sysdeps/linux/alpha/bits/msq.h
 create mode 100644 libc/sysdeps/linux/alpha/bits/netdb.h
 create mode 100644 libc/sysdeps/linux/alpha/bits/resource.h
 create mode 100644 libc/sysdeps/linux/alpha/bits/sem.h
 create mode 100644 libc/sysdeps/linux/alpha/bits/setjmp.h
 create mode 100644 libc/sysdeps/linux/alpha/bits/shm.h
 create mode 100644 libc/sysdeps/linux/alpha/bits/sigaction.h
 create mode 100644 libc/sysdeps/linux/alpha/bits/siginfo.h
 create mode 100644 libc/sysdeps/linux/alpha/bits/signum.h
 create mode 100644 libc/sysdeps/linux/alpha/bits/sigstack.h
 create mode 100644 libc/sysdeps/linux/alpha/bits/socket.h
 create mode 100644 libc/sysdeps/linux/alpha/bits/stat.h
 create mode 100644 libc/sysdeps/linux/alpha/bits/statvfs.h
 create mode 100644 libc/sysdeps/linux/alpha/bits/termios.h
 create mode 100644 libc/sysdeps/linux/alpha/bits/types.h
 create mode 100644 libc/sysdeps/linux/alpha/bits/wordsize.h
 create mode 100644 libc/sysdeps/linux/alpha/brk.S
 create mode 100644 libc/sysdeps/linux/alpha/bsd-_setjmp.S
 create mode 100644 libc/sysdeps/linux/alpha/bsd-setjmp.S
 create mode 100644 libc/sysdeps/linux/alpha/clone.S
 create mode 100644 libc/sysdeps/linux/alpha/crt0.S
 create mode 100644 libc/sysdeps/linux/alpha/setjmp.S
 create mode 100644 libc/sysdeps/linux/alpha/sys/acct.h
 create mode 100644 libc/sysdeps/linux/alpha/sys/io.h
 create mode 100644 libc/sysdeps/linux/alpha/sys/procfs.h
 create mode 100644 libc/sysdeps/linux/alpha/sys/sysmacros.h
 create mode 100644 libc/sysdeps/linux/alpha/sys/ucontext.h
 create mode 100644 libc/sysdeps/linux/alpha/sys/user.h
 create mode 100644 libc/sysdeps/linux/alpha/sysdep.c

(limited to 'libc')

diff --git a/libc/sysdeps/linux/alpha/Makefile b/libc/sysdeps/linux/alpha/Makefile
new file mode 100644
index 000000000..2cad8ad20
--- /dev/null
+++ b/libc/sysdeps/linux/alpha/Makefile
@@ -0,0 +1,66 @@
+# Makefile for uClibc
+#
+# Copyright (C) 2002 Erik Andersen <andersen@uclibc.org>
+#
+# This program is free software; you can redistribute it and/or modify it under
+# the terms of the GNU Library General Public License as published by the Free
+# Software Foundation; either version 2 of the License, or (at your option) any
+# later version.
+#
+# This program is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+# FOR A PARTICULAR PURPOSE. See the GNU Library General Public License for more
+# details.
+#
+# You should have received a copy of the GNU Library General Public License
+# along with this program; if not, write to the Free Software Foundation, Inc.,
+# 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+#
+# Derived in part from the Linux-8086 C library, the GNU C Library, and several
+# other sundry sources.  Files within this library are copyright by their
+# respective copyright holders.
+
+TOPDIR=../../../../
+include $(TOPDIR)Rules.mak
+ASFLAGS=$(CFLAGS)
+
+CRT0=crt0.S
+CRT0_OBJ=$(patsubst %.S,%.o, $(CRT0))
+
+
+SSRC=__longjmp.S brk.S bsd-_setjmp.S bsd-setjmp.S clone.S setjmp.S
+SOBJS=$(patsubst %.S,%.o, $(SSRC))
+
+CSRC=sysdep.c #brk.c
+COBJS=$(patsubst %.c,%.o, $(CSRC))
+
+OBJS=$(SOBJS) $(COBJS)
+
+
+all: $(OBJS) $(LIBC)
+
+$(LIBC): ar-target 
+
+ar-target: $(OBJS) $(CRT0_OBJ)
+	$(AR) $(ARFLAGS) $(LIBC) $(OBJS)
+	cp $(CRT0_OBJ) $(TOPDIR)lib/$(CRT0_OBJ)
+
+$(CRT0_OBJ): %.o : %.S
+	$(CC) $(CFLAGS) -c $< -o $@
+	$(STRIPTOOL) -x -R .note -R .comment $*.o
+
+$(SOBJS): %.o : %.S
+	$(CC) $(CFLAGS) -c $< -o $@
+	$(STRIPTOOL) -x -R .note -R .comment $*.o
+
+$(COBJS): %.o : %.c
+	$(CC) $(CFLAGS) -c $< -o $@
+	$(STRIPTOOL) -x -R .note -R .comment $*.o
+
+headers:
+
+
+clean:
+	rm -f *.[oa] *~ core
+	rm -f bits/syscall.h
+
diff --git a/libc/sysdeps/linux/alpha/__longjmp.S b/libc/sysdeps/linux/alpha/__longjmp.S
new file mode 100644
index 000000000..2db4e22e9
--- /dev/null
+++ b/libc/sysdeps/linux/alpha/__longjmp.S
@@ -0,0 +1,65 @@
+/* Copyright (C) 1992, 1994, 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.  */
+
+#include <features.h>
+#define _SETJMP_H
+#define __ASSEMBLY__
+#include <bits/setjmp.h>
+
+#define a0  $16
+
+.globl  __longjmp;
+.align 3;
+.ent  __longjmp , 0;
+
+__longjmp:
+	.frame $30 , 0, $26
+#ifdef PROF
+	ldgp    gp, 0(pv)
+	.set noat
+	lda     AT, _mcount
+	jsr     AT, (AT), _mcount
+	.set at
+	.prologue 1
+#else
+	.prologue 0
+#endif
+
+	mov     $17, $0
+	ldq     $9, JB_S0*8(a0)
+	ldq     $10, JB_S1*8(a0)
+	ldq     $11, JB_S2*8(a0)
+	ldq     $12, JB_S3*8(a0)
+	ldq     $13, JB_S4*8(a0)
+	ldq     $14, JB_S5*8(a0)
+	ldq     $26, JB_PC*8(a0)
+	ldq     $15, JB_FP*8(a0)
+	ldq     $1, JB_SP*8(a0)
+	ldt     $f2, JB_F2*8(a0)
+	ldt     $f3, JB_F3*8(a0)
+	ldt     $f4, JB_F4*8(a0)
+	ldt     $f5, JB_F5*8(a0)
+	ldt     $f6, JB_F6*8(a0)
+	ldt     $f7, JB_F7*8(a0)
+	ldt     $f8, JB_F8*8(a0)
+	ldt     $f9, JB_F9*8(a0)
+	cmoveq  $0, 1, $0
+	mov     $1, $30
+	ret
+
+.end  __longjmp
diff --git a/libc/sysdeps/linux/alpha/bits/elfclass.h b/libc/sysdeps/linux/alpha/bits/elfclass.h
new file mode 100644
index 000000000..e5aa4a0fb
--- /dev/null
+++ b/libc/sysdeps/linux/alpha/bits/elfclass.h
@@ -0,0 +1,14 @@
+/* This file specifies the native word size of the machine, which indicates
+   the ELF file class used for executables and shared objects on this
+   machine.  */
+
+#ifndef _LINK_H
+# error "Never use <bits/elfclass.h> directly; include <link.h> instead."
+#endif
+
+#include <bits/wordsize.h>
+
+#define __ELF_NATIVE_CLASS __WORDSIZE
+
+/* Linux/Alpha is exceptional as it has .hash section with 64 bit entries.  */
+typedef uint64_t Elf_Symndx;
diff --git a/libc/sysdeps/linux/alpha/bits/endian.h b/libc/sysdeps/linux/alpha/bits/endian.h
new file mode 100644
index 000000000..8a16e14e2
--- /dev/null
+++ b/libc/sysdeps/linux/alpha/bits/endian.h
@@ -0,0 +1,7 @@
+/* Alpha is little-endian.  */
+
+#ifndef _ENDIAN_H
+# error "Never use <bits/endian.h> directly; include <endian.h> instead."
+#endif
+
+#define __BYTE_ORDER __LITTLE_ENDIAN
diff --git a/libc/sysdeps/linux/alpha/bits/fcntl.h b/libc/sysdeps/linux/alpha/bits/fcntl.h
new file mode 100644
index 000000000..8aee77f1a
--- /dev/null
+++ b/libc/sysdeps/linux/alpha/bits/fcntl.h
@@ -0,0 +1,173 @@
+/* O_*, F_*, FD_* bit values for Linux.
+   Copyright (C) 1995-1999, 2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#ifndef	_FCNTL_H
+# error "Never use <bits/fcntl.h> directly; include <fcntl.h> instead."
+#endif
+
+
+#include <sys/types.h>
+
+
+/* open/fcntl - O_SYNC is only implemented on blocks devices and on files
+   located on an ext2 file system */
+#define O_ACCMODE	  0003
+#define O_RDONLY	    00
+#define O_WRONLY	    01
+#define O_RDWR		    02
+#define O_CREAT		 01000	/* not fcntl */
+#define O_TRUNC		 02000	/* not fcntl */
+#define O_EXCL		 04000	/* not fcntl */
+#define O_NOCTTY	010000	/* not fcntl */
+
+#define O_NONBLOCK	 00004
+#define O_APPEND	 00010
+#define O_NDELAY	O_NONBLOCK
+#define O_SYNC		040000
+#define O_FSYNC		O_SYNC
+#define O_ASYNC		020000	/* fcntl, for BSD compatibility */
+
+#ifdef __USE_GNU
+# define O_DIRECT	040000	/* Direct disk access.  */
+# define O_DIRECTORY	0100000	/* Must be a directory.  */
+# define O_NOFOLLOW	0200000	/* Do not follow links.  */
+#endif
+
+#ifdef __USE_LARGEFILE64
+/* Not necessary, files are always with 64bit off_t.  */
+# define O_LARGEFILE	0
+#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.  */
+#define F_GETLK		7	/* Get record locking info.  */
+#define F_SETLK		8	/* Set record locking info (non-blocking).  */
+#define F_SETLKW	9	/* Set record locking info (blocking).  */
+#define F_GETLK64	F_GETLK	/* Get record locking info.  */
+#define F_SETLK64	F_SETLK	/* Set record locking info (non-blocking).  */
+#define F_SETLKW64	F_SETLKW /* Set record locking info (blocking).  */
+
+#if defined __USE_BSD || defined __USE_XOPEN2K
+# define F_SETOWN	5	/* Get owner of socket (receiver of SIGIO).  */
+# define F_GETOWN	6	/* 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		1	/* Read lock.  */
+#define F_WRLCK		2	/* Write lock.  */
+#define F_UNLCK		8	/* Remove lock.  */
+
+/* for old implementation of bsd flock () */
+#define F_EXLCK		16	/* or 3 */
+#define F_SHLCK		32	/* or 4 */
+
+/* Operations for bsd flock(), also used by the kernel implementation */
+#ifdef __USE_BSD
+# 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
+
+/* We don't need to support __USE_FILE_OFFSET64.  */
+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').  */
+    __off_t l_start;	/* Offset where the lock begins.  */
+    __off_t l_len;	/* Size of the locked area; zero means until EOF.  */
+    __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	6 /* Don't need these pages.  */
+# define POSIX_FADV_NOREUSE	7 /* Data will be accessed once.  */
+#endif
diff --git a/libc/sysdeps/linux/alpha/bits/ipc.h b/libc/sysdeps/linux/alpha/bits/ipc.h
new file mode 100644
index 000000000..77f3c938d
--- /dev/null
+++ b/libc/sysdeps/linux/alpha/bits/ipc.h
@@ -0,0 +1,55 @@
+/* Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#ifndef _SYS_IPC_H
+# error "Never use <bits/ipc.h> directly; include <sys/ipc.h> instead."
+#endif
+
+#include <bits/types.h>
+
+/* Mode bits for `msgget', `semget', and `shmget'.  */
+#define IPC_CREAT	01000		/* Create key if key does not exist. */
+#define IPC_EXCL	02000		/* Fail if key exists.  */
+#define IPC_NOWAIT	04000		/* Return error on wait.  */
+
+/* Control commands for `msgctl', `semctl', and `shmctl'.  */
+#define IPC_RMID	0		/* Remove identifier.  */
+#define IPC_SET		1		/* Set `ipc_perm' options.  */
+#define IPC_STAT	2		/* Get `ipc_perm' options.  */
+#ifdef __USE_GNU
+# define IPC_INFO	3		/* See ipcs.  */
+#endif
+
+/* Special key values.  */
+#define IPC_PRIVATE	((__key_t) 0)	/* Private key.  */
+
+
+/* Data structure used to pass permission information to IPC operations.  */
+struct ipc_perm
+  {
+    __key_t __key;			/* Key.  */
+    unsigned int uid;			/* Owner's user ID.  */
+    unsigned int gid;			/* Owner's group ID.  */
+    unsigned int cuid;			/* Creator's user ID.  */
+    unsigned int cgid;			/* Creator's group ID.  */
+    unsigned int mode;			/* Read/write permission.  */
+    unsigned short int __seq;		/* Sequence number.  */
+    unsigned short int __pad1;
+    unsigned long int __unused1;
+    unsigned long int __unused2;
+  };
diff --git a/libc/sysdeps/linux/alpha/bits/msq.h b/libc/sysdeps/linux/alpha/bits/msq.h
new file mode 100644
index 000000000..ab251eaf7
--- /dev/null
+++ b/libc/sysdeps/linux/alpha/bits/msq.h
@@ -0,0 +1,74 @@
+/* Copyright (C) 1995, 1996, 1997, 2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#ifndef _SYS_MSG_H
+# error "Never use <bits/msq.h> directly; include <sys/msg.h> instead."
+#endif
+
+#include <bits/types.h>
+
+/* Define options for message queue functions.  */
+#define MSG_NOERROR	010000	/* no error if message is too big */
+#ifdef __USE_GNU
+# define MSG_EXCEPT	020000	/* recv any msg except of specified type */
+#endif
+
+/* Types used in the structure definition.  */
+typedef unsigned long int msgqnum_t;
+typedef unsigned long int msglen_t;
+
+
+/* Structure of record for one message inside the kernel.
+   The type `struct msg' is opaque.  */
+struct msqid_ds
+{
+  struct ipc_perm msg_perm;	/* structure describing operation permission */
+  __time_t msg_stime;		/* time of last msgsnd command */
+  __time_t msg_rtime;		/* time of last msgrcv command */
+  __time_t msg_ctime;		/* time of last change */
+  unsigned long int __msg_cbytes; /* current number of bytes on queue */
+  msgqnum_t msg_qnum;		/* number of messages currently on queue */
+  msglen_t msg_qbytes;		/* max number of bytes allowed on queue */
+  __pid_t msg_lspid;		/* pid of last msgsnd() */
+  __pid_t msg_lrpid;		/* pid of last msgrcv() */
+  unsigned long int __unused1;
+  unsigned long int __unused2;
+};
+
+#ifdef __USE_MISC
+
+# define msg_cbytes	__msg_cbytes
+
+/* ipcs ctl commands */
+# define MSG_STAT 11
+# define MSG_INFO 12
+
+/* buffer for msgctl calls IPC_INFO, MSG_INFO */
+struct msginfo
+  {
+    int msgpool;
+    int msgmap;
+    int msgmax;
+    int msgmnb;
+    int msgmni;
+    int msgssz;
+    int msgtql;
+    unsigned short int msgseg;
+  };
+
+#endif /* __USE_MISC */
diff --git a/libc/sysdeps/linux/alpha/bits/netdb.h b/libc/sysdeps/linux/alpha/bits/netdb.h
new file mode 100644
index 000000000..e3664fd29
--- /dev/null
+++ b/libc/sysdeps/linux/alpha/bits/netdb.h
@@ -0,0 +1,35 @@
+/* Copyright (C) 1996, 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#ifndef _NETDB_H
+# error "Never include <bits/netdb.h> directly; use <netdb.h> instead."
+#endif
+
+
+/* Description of data base entry for a single network.  NOTE: here a
+   poor assumption is made.  The network number is expected to fit
+   into an unsigned long int variable.  */
+struct netent
+{
+  char *n_name;			/* Official name of network.  */
+  char **n_aliases;		/* Alias list.  */
+  int n_addrtype;		/* Net address type.  */
+  /* XXX We should probably use uint32_t for the field and ensure
+     compatiblity by adding appropriate padding.  */
+  unsigned long	int n_net;	/* Network number.  */
+};
diff --git a/libc/sysdeps/linux/alpha/bits/resource.h b/libc/sysdeps/linux/alpha/bits/resource.h
new file mode 100644
index 000000000..3f4e72ccb
--- /dev/null
+++ b/libc/sysdeps/linux/alpha/bits/resource.h
@@ -0,0 +1,208 @@
+/* Bit values & structures for resource limits.  Alpha/Linux version.
+   Copyright (C) 1994,96,97,98,99,2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#ifndef _SYS_RESOURCE_H
+# error "Never use <bits/resource.h> directly; include <sys/resource.h> instead."
+#endif
+
+#include <bits/types.h>
+
+/* Transmute defines to enumerations.  The macro re-definitions are
+   necessary because some programs want to test for operating system
+   features with #ifdef RUSAGE_SELF.  In ISO C the reflexive
+   definition is a no-op.  */
+
+/* Kinds of resource limit.  */
+enum __rlimit_resource
+{
+  /* Per-process CPU limit, in seconds.  */
+  RLIMIT_CPU = 0,
+#define RLIMIT_CPU RLIMIT_CPU
+
+  /* Largest file that can be created, in bytes.  */
+  RLIMIT_FSIZE = 1,
+#define	RLIMIT_FSIZE RLIMIT_FSIZE
+
+  /* Maximum size of data segment, in bytes.  */
+  RLIMIT_DATA = 2,
+#define	RLIMIT_DATA RLIMIT_DATA
+
+  /* Maximum size of stack segment, in bytes.  */
+  RLIMIT_STACK = 3,
+#define	RLIMIT_STACK RLIMIT_STACK
+
+  /* Largest core file that can be created, in bytes.  */
+  RLIMIT_CORE = 4,
+#define	RLIMIT_CORE RLIMIT_CORE
+
+  /* Largest resident set size, in bytes.
+     This affects swapping; processes that are exceeding their
+     resident set size will be more likely to have physical memory
+     taken from them.  */
+  RLIMIT_RSS = 5,
+#define	RLIMIT_RSS RLIMIT_RSS
+
+  /* Number of open files.  */
+  RLIMIT_NOFILE = 6,
+  RLIMIT_OFILE = RLIMIT_NOFILE, /* BSD name for same.  */
+#define RLIMIT_NOFILE RLIMIT_NOFILE
+#define RLIMIT_OFILE RLIMIT_OFILE
+
+  /* Address space limit (?) */
+  RLIMIT_AS = 7,
+#define RLIMIT_AS RLIMIT_AS
+
+  /* Number of processes.  */
+  RLIMIT_NPROC = 8,
+#define RLIMIT_NPROC RLIMIT_NPROC
+
+  /* Locked-in-memory address space.  */
+  RLIMIT_MEMLOCK = 9,
+#define RLIMIT_MEMLOCK RLIMIT_MEMLOCK
+
+  /* Maximum number of file locks.  */
+  RLIMIT_LOCKS = 10,
+#define RLIMIT_LOCKS RLIMIT_LOCKS
+
+  RLIM_NLIMITS = 11
+#define RLIMIT_NLIMITS RLIMIT_NLIMITS
+#define RLIM_NLIMITS RLIM_NLIMITS
+};
+
+/* Value to indicate that there is no limit.  */
+#ifndef __USE_FILE_OFFSET64
+# define RLIM_INFINITY ((long int)(~0UL >> 1))
+#else
+# define RLIM_INFINITY 0x7fffffffffffffffLL
+#endif
+
+#ifdef __USE_LARGEFILE64
+# define RLIM64_INFINITY 0x7fffffffffffffffLL
+#endif
+
+/* We can represent all limits.  */
+#define RLIM_SAVED_MAX	RLIM_INFINITY
+#define RLIM_SAVED_CUR	RLIM_INFINITY
+
+
+/* Type for resource quantity measurement.  */
+#ifndef __USE_FILE_OFFSET64
+typedef __rlim_t rlim_t;
+#else
+typedef __rlim64_t rlim_t;
+#endif
+#ifdef __USE_LARGEFILE64
+typedef __rlim64_t rlim64_t;
+#endif
+
+struct rlimit
+  {
+    /* The current (soft) limit.  */
+    rlim_t rlim_cur;
+    /* The hard limit.  */
+    rlim_t rlim_max;
+  };
+
+#ifdef __USE_LARGEFILE64
+struct rlimit64
+  {
+    /* The current (soft) limit.  */
+    rlim64_t rlim_cur;
+    /* The hard limit.  */
+    rlim64_t rlim_max;
+ };
+#endif
+
+/* Whose usage statistics do you want?  */
+enum __rusage_who
+{
+  /* The calling process.  */
+  RUSAGE_SELF = 0,
+#define RUSAGE_SELF RUSAGE_SELF
+
+  /* All of its terminated child processes.  */
+  RUSAGE_CHILDREN = -1,
+#define RUSAGE_CHILDREN RUSAGE_CHILDREN
+
+  /* Both.  */
+  RUSAGE_BOTH = -2
+#define RUSAGE_BOTH RUSAGE_BOTH
+};
+
+#define __need_timeval
+#include <bits/time.h>		/* For `struct timeval'.  */
+
+/* Structure which says how much of each resource has been used.  */
+struct rusage
+  {
+    /* Total amount of user time used.  */
+    struct timeval ru_utime;
+    /* Total amount of system time used.  */
+    struct timeval ru_stime;
+    /* Maximum resident set size (in kilobytes).  */
+    long int ru_maxrss;
+    /* Amount of sharing of text segment memory
+       with other processes (kilobyte-seconds).  */
+    long int ru_ixrss;
+    /* Amount of data segment memory used (kilobyte-seconds).  */
+    long int ru_idrss;
+    /* Amount of stack memory used (kilobyte-seconds).  */
+    long int ru_isrss;
+    /* Number of soft page faults (i.e. those serviced by reclaiming
+       a page from the list of pages awaiting reallocation.  */
+    long int ru_minflt;
+    /* Number of hard page faults (i.e. those that required I/O).  */
+    long int ru_majflt;
+    /* Number of times a process was swapped out of physical memory.  */
+    long int ru_nswap;
+    /* Number of input operations via the file system.  Note: This
+       and `ru_oublock' do not include operations with the cache.  */
+    long int ru_inblock;
+    /* Number of output operations via the file system.  */
+    long int ru_oublock;
+    /* Number of IPC messages sent.  */
+    long int ru_msgsnd;
+    /* Number of IPC messages received.  */
+    long int ru_msgrcv;
+    /* Number of signals delivered.  */
+    long int ru_nsignals;
+    /* Number of voluntary context switches, i.e. because the process
+       gave up the process before it had to (usually to wait for some
+       resource to be available).  */
+    long int ru_nvcsw;
+    /* Number of involuntary context switches, i.e. a higher priority process
+       became runnable or the current process used up its time slice.  */
+    long int ru_nivcsw;
+  };
+
+/* Priority limits.  */
+#define PRIO_MIN	-20	/* Minimum priority a process can have.  */
+#define PRIO_MAX	20	/* Maximum priority a process can have.  */
+
+/* The type of the WHICH argument to `getpriority' and `setpriority',
+   indicating what flavor of entity the WHO argument specifies.  */
+enum __priority_which
+{
+  PRIO_PROCESS = 0,		/* WHO is a process ID.  */
+#define PRIO_PROCESS PRIO_PROCESS
+  PRIO_PGRP = 1,		/* WHO is a process group ID.  */
+#define PRIO_PGRP PRIO_PGRP
+  PRIO_USER = 2			/* WHO is a user ID.  */
+#define PRIO_USER PRIO_USER
+};
diff --git a/libc/sysdeps/linux/alpha/bits/sem.h b/libc/sysdeps/linux/alpha/bits/sem.h
new file mode 100644
index 000000000..f63360b2b
--- /dev/null
+++ b/libc/sysdeps/linux/alpha/bits/sem.h
@@ -0,0 +1,85 @@
+/* Copyright (C) 1995, 1996, 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.  */
+
+#ifndef _SYS_SEM_H
+# error "Never include <bits/sem.h> directly; use <sys/sem.h> instead."
+#endif
+
+#include <sys/types.h>
+
+/* Flags for `semop'.  */
+#define SEM_UNDO	0x1000		/* undo the operation on exit */
+
+/* Commands for `semctl'.  */
+#define GETPID		11		/* get sempid */
+#define GETVAL		12		/* get semval */
+#define GETALL		13		/* get all semval's */
+#define GETNCNT		14		/* get semncnt */
+#define GETZCNT		15		/* get semzcnt */
+#define SETVAL		16		/* set semval */
+#define SETALL		17		/* set all semval's */
+
+
+/* Data structure describing a set of semaphores.  */
+struct semid_ds
+{
+  struct ipc_perm sem_perm;		/* operation permission struct */
+  __time_t sem_otime;			/* last semop() time */
+  __time_t sem_ctime;			/* last time changed by semctl() */
+  unsigned long int sem_nsems;		/* number of semaphores in set */
+  unsigned long int __unused1;
+  unsigned long int __unused2;
+};
+
+/* The user should define a union like the following to use it for arguments
+   for `semctl'.
+
+   union semun
+   {
+     int val;				<= value for SETVAL
+     struct semid_ds *buf;		<= buffer for IPC_STAT & IPC_SET
+     unsigned short int *array;		<= array for GETALL & SETALL
+     struct seminfo *__buf;		<= buffer for IPC_INFO
+   };
+
+   Previous versions of this file used to define this union but this is
+   incorrect.  One can test the macro _SEM_SEMUN_UNDEFINED to see whether
+   one must define the union or not.  */
+#define _SEM_SEMUN_UNDEFINED	1
+
+#ifdef __USE_MISC
+
+/* ipcs ctl cmds */
+# define SEM_STAT 18
+# define SEM_INFO 19
+
+struct  seminfo
+{
+  int semmap;
+  int semmni;
+  int semmns;
+  int semmnu;
+  int semmsl;
+  int semopm;
+  int semume;
+  int semusz;
+  int semvmx;
+  int semaem;
+};
+
+#endif /* __USE_MISC */
diff --git a/libc/sysdeps/linux/alpha/bits/setjmp.h b/libc/sysdeps/linux/alpha/bits/setjmp.h
new file mode 100644
index 000000000..fcd57d61d
--- /dev/null
+++ b/libc/sysdeps/linux/alpha/bits/setjmp.h
@@ -0,0 +1,82 @@
+/* Define the machine-dependent type `jmp_buf'.  Alpha version.
+   Copyright (C) 1992, 1997 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#ifndef _SETJMP_H
+# error "Never include <bits/setjmp.h> directly; use <setjmp.h> instead."
+#endif
+
+/* The previous bits/setjmp.h had __jmp_buf defined as a structure.
+   We use an array of 'long int' instead, to make writing the
+   assembler easier. Naturally, user code should not depend on
+   either representation. */
+
+/*
+ * Integer registers:
+ *    $0 is the return value (va);
+ *    $1-$8, $22-$25, $28 are call-used (t0-t7, t8-t11, at);
+ *    $9-$14 we save here (s0-s5);
+ *    $15 is the FP and we save it here (fp or s6);
+ *    $16-$21 are input arguments (call-used) (a0-a5);
+ *    $26 is the return PC and we save it here (ra);
+ *    $27 is the procedure value (i.e., the address of __setjmp) (pv or t12);
+ *    $29 is the global pointer, which the caller will reconstruct
+ *        from the return address restored in $26 (gp);
+ *    $30 is the stack pointer and we save it here (sp);
+ *    $31 is always zero (zero).
+ *
+ * Floating-point registers:
+ *    $f0 is the floating return value;
+ *    $f1, $f10-$f15, $f22-$f30 are call-used;
+ *    $f2-$f9 we save here;
+ *    $f16-$21 are input args (call-used);
+ *    $f31 is always zero.
+ *
+ * Note that even on Alpha hardware that does not have an FPU (there
+ * isn't such a thing currently) it is required to implement the FP
+ * registers.
+ */
+
+#if defined __USE_MISC || defined __ASSEMBLY__
+# define JB_S0  0
+# define JB_S1  1
+# define JB_S2  2
+# define JB_S3  3
+# define JB_S4  4
+# define JB_S5  5
+# define JB_PC  6
+# define JB_FP  7
+# define JB_SP  8
+# define JB_F2  9
+# define JB_F3  10
+# define JB_F4  11
+# define JB_F5  12
+# define JB_F6  13
+# define JB_F7  14
+# define JB_F8  15
+# define JB_F9  16
+#endif
+
+#ifndef __ASSEMBLY__
+typedef long int __jmp_buf[17];
+
+/* 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]))
+#endif
diff --git a/libc/sysdeps/linux/alpha/bits/shm.h b/libc/sysdeps/linux/alpha/bits/shm.h
new file mode 100644
index 000000000..8559ce33d
--- /dev/null
+++ b/libc/sysdeps/linux/alpha/bits/shm.h
@@ -0,0 +1,90 @@
+/* Copyright (C) 1995, 1996, 1997, 2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#ifndef _SYS_SHM_H
+# error "Never include <bits/shm.h> directly; use <sys/shm.h> instead."
+#endif
+
+#include <bits/types.h>
+
+/* Permission flag for shmget.  */
+#define SHM_R		0400		/* or S_IRUGO from <linux/stat.h> */
+#define SHM_W		0200		/* or S_IWUGO from <linux/stat.h> */
+
+/* Flags for `shmat'.  */
+#define SHM_RDONLY	010000		/* attach read-only else read-write */
+#define SHM_RND		020000		/* round attach address to SHMLBA */
+#define SHM_REMAP	040000		/* take-over region on attach */
+
+/* Commands for `shmctl'.  */
+#define SHM_LOCK	11		/* lock segment (root only) */
+#define SHM_UNLOCK	12		/* unlock segment (root only) */
+
+
+/* Type to count number of attaches.  */
+typedef unsigned long int shmatt_t;
+
+/* Data structure describing a set of semaphores.  */
+struct shmid_ds
+  {
+    struct ipc_perm shm_perm;		/* operation permission struct */
+    size_t shm_segsz;			/* size of segment in bytes */
+    __time_t shm_atime;			/* time of last shmat() */
+    __time_t shm_dtime;			/* time of last shmdt() */
+    __time_t shm_ctime;			/* time of last change by shmctl() */
+    __pid_t shm_cpid;			/* pid of creator */
+    __pid_t shm_lpid;			/* pid of last shmop */
+    shmatt_t shm_nattch;		/* number of current attaches */
+    unsigned long int __unused1;
+    unsigned long int __unused2;
+  };
+
+#ifdef __USE_MISC
+
+/* ipcs ctl commands */
+# define SHM_STAT 	13
+# define SHM_INFO 	14
+
+/* shm_mode upper byte flags */
+# define SHM_DEST	01000	/* segment will be destroyed on last detach */
+# define SHM_LOCKED	02000   /* segment will not be swapped */
+
+struct	shminfo
+  {
+    unsigned long int shmmax;
+    unsigned long int shmmin;
+    unsigned long int shmmni;
+    unsigned long int shmseg;
+    unsigned long int shmall;
+    unsigned long int __unused1;
+    unsigned long int __unused2;
+    unsigned long int __unused3;
+    unsigned long int __unused4;
+  };
+
+struct shm_info
+  {
+    int used_ids;
+    unsigned long int shm_tot;	/* total allocated shm */
+    unsigned long int shm_rss;	/* total resident shm */
+    unsigned long int shm_swp;	/* total swapped shm */
+    unsigned long int swap_attempts;
+    unsigned long int swap_successes;
+  };
+
+#endif /* __USE_MISC */
diff --git a/libc/sysdeps/linux/alpha/bits/sigaction.h b/libc/sysdeps/linux/alpha/bits/sigaction.h
new file mode 100644
index 000000000..80feb2fa2
--- /dev/null
+++ b/libc/sysdeps/linux/alpha/bits/sigaction.h
@@ -0,0 +1,74 @@
+/* The proper definitions for Linux/Alpha sigaction.
+   Copyright (C) 1996, 1997, 1999, 2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#ifndef _SIGNAL_H
+# error "Never include <bits/sigaction.h> directly; use <signal.h> instead."
+#endif
+
+/* Structure describing the action to be taken when a signal arrives.  */
+struct sigaction
+  {
+    /* Signal handler.  */
+#ifdef __USE_POSIX199309
+    union
+      {
+	/* Used if SA_SIGINFO is not set.  */
+	__sighandler_t sa_handler;
+	/* Used if SA_SIGINFO is set.  */
+	void (*sa_sigaction) (int, siginfo_t *, void *);
+      }
+    __sigaction_handler;
+# define sa_handler	__sigaction_handler.sa_handler
+# define sa_sigaction	__sigaction_handler.sa_sigaction
+#else
+    __sighandler_t sa_handler;
+#endif
+
+    /* Additional set of signals to be blocked.  */
+    __sigset_t sa_mask;
+
+    /* Special flags.  */
+    unsigned int sa_flags;
+  };
+
+/* Bits in `sa_flags'.  */
+#define	SA_NOCLDSTOP  0x00000004 /* Don't send SIGCHLD when children stop.  */
+#define SA_NOCLDWAIT  0x00000020 /* Don't create zombie on child death.  */
+#define SA_SIGINFO    0x00000040 /* Invoke signal-catching function with
+				    three arguments instead of one.  */
+#if defined __USE_UNIX98 || defined __USE_MISC
+# define SA_ONSTACK   0x00000001 /* Use signal stack by using `sa_restorer'. */
+# define SA_RESTART   0x00000002 /* Restart syscall on signal return.  */
+# define SA_NODEFER   0x00000008 /* Don't automatically block the signal
+				    when its handler is being executed.  */
+# define SA_RESETHAND 0x00000010 /* Reset to SIG_DFL on entry to handler.  */
+#endif
+#ifdef __USE_MISC
+# define SA_INTERRUPT 0x20000000 /* Historical no-op.  */
+
+/* Some aliases for the SA_ constants.  */
+# define SA_NOMASK    SA_NODEFER
+# define SA_ONESHOT   SA_RESETHAND
+# define SA_STACK     SA_ONSTACK
+#endif
+
+/* Values for the HOW argument to `sigprocmask'.  */
+#define	SIG_BLOCK     1		 /* Block signals.  */
+#define	SIG_UNBLOCK   2		 /* Unblock signals.  */
+#define	SIG_SETMASK   3		 /* Set the set of blocked signals.  */
diff --git a/libc/sysdeps/linux/alpha/bits/siginfo.h b/libc/sysdeps/linux/alpha/bits/siginfo.h
new file mode 100644
index 000000000..2cc92babb
--- /dev/null
+++ b/libc/sysdeps/linux/alpha/bits/siginfo.h
@@ -0,0 +1,306 @@
+/* siginfo_t, sigevent and constants.  Linux/Alpha version.
+   Copyright (C) 1997, 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#if !defined _SIGNAL_H && !defined __need_siginfo_t \
+    && !defined __need_sigevent_t
+# error "Never include this file directly.  Use <signal.h> instead"
+#endif
+
+#include <bits/wordsize.h>
+
+#if (!defined __have_sigval_t \
+     && (defined _SIGNAL_H || defined __need_siginfo_t \
+	 || defined __need_sigevent_t))
+# define __have_sigval_t	1
+
+/* Type for data associated with a signal.  */
+typedef union sigval
+  {
+    int sival_int;
+    void *sival_ptr;
+  } sigval_t;
+#endif
+
+#if (!defined __have_siginfo_t \
+     && (defined _SIGNAL_H || defined __need_siginfo_t))
+# define __have_siginfo_t	1
+
+# define __SI_MAX_SIZE     128
+# if __WORDSIZE == 64
+#  define __SI_PAD_SIZE     ((__SI_MAX_SIZE / sizeof (int)) - 4)
+# else
+#  define __SI_PAD_SIZE     ((__SI_MAX_SIZE / sizeof (int)) - 3)
+# endif
+
+typedef struct siginfo
+  {
+    int si_signo;		/* Signal number.  */
+    int si_errno;		/* If non-zero, an errno value associated with
+				   this signal, as defined in <errno.h>.  */
+    int si_code;		/* Signal code.  */
+
+    union
+      {
+	int _pad[__SI_PAD_SIZE];
+
+	 /* kill().  */
+	struct
+	  {
+	    __pid_t si_pid;	/* Sending process ID.  */
+	    __uid_t si_uid;	/* Real user ID of sending process.  */
+	  } _kill;
+
+	/* POSIX.1b timers.  */
+	struct
+	  {
+	    unsigned int _timer1;
+	    unsigned int _timer2;
+	  } _timer;
+
+	/* POSIX.1b signals.  */
+	struct
+	  {
+	    __pid_t si_pid;	/* Sending process ID.  */
+	    __uid_t si_uid;	/* Real user ID of sending process.  */
+	    sigval_t si_sigval;	/* Signal value.  */
+	  } _rt;
+
+	/* SIGCHLD.  */
+	struct
+	  {
+	    __pid_t si_pid;	/* Which child.  */
+	    __uid_t si_uid;	/* Real user ID of sending process.  */
+	    int si_status;	/* Exit value or signal.  */
+	    __clock_t si_utime;
+	    __clock_t si_stime;
+	  } _sigchld;
+
+	/* SIGILL, SIGFPE, SIGSEGV, SIGBUS.  */
+	struct
+	  {
+	    void *si_addr;	/* Faulting insn/memory ref.  */
+	  } _sigfault;
+
+	/* SIGPOLL.  */
+	struct
+	  {
+	    int si_band;	/* Band event for SIGPOLL.  */
+	    int si_fd;
+	  } _sigpoll;
+      } _sifields;
+  } siginfo_t;
+
+
+/* X/Open requires some more fields with fixed names.  */
+# define si_pid		_sifields._kill.si_pid
+# define si_uid		_sifields._kill.si_uid
+# define si_timer1	_sifields._timer._timer1
+# define si_timer2	_sifields._timer._timer2
+# define si_status	_sifields._sigchld.si_status
+# define si_utime	_sifields._sigchld.si_utime
+# define si_stime	_sifields._sigchld.si_stime
+# define si_value	_sifields._rt.si_sigval
+# define si_int		_sifields._rt.si_sigval.sival_int
+# define si_ptr		_sifields._rt.si_sigval.sival_ptr
+# define si_addr	_sifields._sigfault.si_addr
+# define si_band	_sifields._sigpoll.si_band
+# define si_fd		_sifields._sigpoll.si_fd
+
+
+/* Values for `si_code'.  Positive values are reserved for kernel-generated
+   signals.  */
+enum
+{
+  SI_ASYNCNL = -6,		/* Sent by asynch name lookup completion.  */
+# define SI_ASYNCNL	SI_ASYNCNL
+  SI_SIGIO,			/* Sent by queued SIGIO. */
+# define SI_SIGIO	SI_SIGIO
+  SI_ASYNCIO,			/* Sent by AIO completion.  */
+# define SI_ASYNCIO	SI_ASYNCIO
+  SI_MESGQ,			/* Sent by real time mesq state change.  */
+# define SI_MESGQ	SI_MESGQ
+  SI_TIMER,			/* Sent by timer expiration.  */
+# define SI_TIMER	SI_TIMER
+  SI_QUEUE,			/* Sent by sigqueue.  */
+# define SI_QUEUE	SI_QUEUE
+  SI_USER,			/* Sent by kill, sigsend, raise.  */
+# define SI_USER	SI_USER
+  SI_KERNEL = 0x80		/* Send by kernel.  */
+#define SI_KERNEL	SI_KERNEL
+};
+
+
+/* `si_code' values for SIGILL signal.  */
+enum
+{
+  ILL_ILLOPC = 1,		/* Illegal opcode.  */
+# define ILL_ILLOPC	ILL_ILLOPC
+  ILL_ILLOPN,			/* Illegal operand.  */
+# define ILL_ILLOPN	ILL_ILLOPN
+  ILL_ILLADR,			/* Illegal addressing mode.  */
+# define ILL_ILLADR	ILL_ILLADR
+  ILL_ILLTRP,			/* Illegal trap. */
+# define ILL_ILLTRP	ILL_ILLTRP
+  ILL_PRVOPC,			/* Privileged opcode.  */
+# define ILL_PRVOPC	ILL_PRVOPC
+  ILL_PRVREG,			/* Privileged register.  */
+# define ILL_PRVREG	ILL_PRVREG
+  ILL_COPROC,			/* Coprocessor error.  */
+# define ILL_COPROC	ILL_COPROC
+  ILL_BADSTK			/* Internal stack error.  */
+# define ILL_BADSTK	ILL_BADSTK
+};
+
+/* `si_code' values for SIGFPE signal.  */
+enum
+{
+  FPE_INTDIV = 1,		/* Integer divide by zero.  */
+# define FPE_INTDIV	FPE_INTDIV
+  FPE_INTOVF,			/* Integer overflow.  */
+# define FPE_INTOVF	FPE_INTOVF
+  FPE_FLTDIV,			/* Floating point divide by zero.  */
+# define FPE_FLTDIV	FPE_FLTDIV
+  FPE_FLTOVF,			/* Floating point overflow.  */
+# define FPE_FLTOVF	FPE_FLTOVF
+  FPE_FLTUND,			/* Floating point underflow.  */
+# define FPE_FLTUND	FPE_FLTUND
+  FPE_FLTRES,			/* Floating point inexact result.  */
+# define FPE_FLTRES	FPE_FLTRES
+  FPE_FLTINV,			/* Floating point invalid operation.  */
+# define FPE_FLTINV	FPE_FLTINV
+  FPE_FLTSUB			/* Subscript out of range.  */
+# define FPE_FLTSUB	FPE_FLTSUB
+};
+
+/* `si_code' values for SIGSEGV signal.  */
+enum
+{
+  SEGV_MAPERR = 1,		/* Address not mapped to object.  */
+# define SEGV_MAPERR	SEGV_MAPERR
+  SEGV_ACCERR			/* Invalid permissions for mapped object.  */
+# define SEGV_ACCERR	SEGV_ACCERR
+};
+
+/* `si_code' values for SIGBUS signal.  */
+enum
+{
+  BUS_ADRALN = 1,		/* Invalid address alignment.  */
+# define BUS_ADRALN	BUS_ADRALN
+  BUS_ADRERR,			/* Non-existant physical address.  */
+# define BUS_ADRERR	BUS_ADRERR
+  BUS_OBJERR			/* Object specific hardware error.  */
+# define BUS_OBJERR	BUS_OBJERR
+};
+
+/* `si_code' values for SIGTRAP signal.  */
+enum
+{
+  TRAP_BRKPT = 1,		/* Process breakpoint.  */
+# define TRAP_BRKPT	TRAP_BRKPT
+  TRAP_TRACE			/* Process trace trap.  */
+# define TRAP_TRACE	TRAP_TRACE
+};
+
+/* `si_code' values for SIGCHLD signal.  */
+enum
+{
+  CLD_EXITED = 1,		/* Child has exited.  */
+# define CLD_EXITED	CLD_EXITED
+  CLD_KILLED,			/* Child was killed.  */
+# define CLD_KILLED	CLD_KILLED
+  CLD_DUMPED,			/* Child terminated abnormally.  */
+# define CLD_DUMPED	CLD_DUMPED
+  CLD_TRAPPED,			/* Traced child has trapped.  */
+# define CLD_TRAPPED	CLD_TRAPPED
+  CLD_STOPPED,			/* Child has stopped.  */
+# define CLD_STOPPED	CLD_STOPPED
+  CLD_CONTINUED			/* Stopped child has continued.  */
+# define CLD_CONTINUED	CLD_CONTINUED
+};
+
+/* `si_code' values for SIGPOLL signal.  */
+enum
+{
+  POLL_IN = 1,			/* Data input available.  */
+# define POLL_IN	POLL_IN
+  POLL_OUT,			/* Output buffers available.  */
+# define POLL_OUT	POLL_OUT
+  POLL_MSG,			/* Input message available.   */
+# define POLL_MSG	POLL_MSG
+  POLL_ERR,			/* I/O error.  */
+# define POLL_ERR	POLL_ERR
+  POLL_PRI,			/* High priority input available.  */
+# define POLL_PRI	POLL_PRI
+  POLL_HUP			/* Device disconnected.  */
+# define POLL_HUP	POLL_HUP
+};
+
+# undef __need_siginfo_t
+#endif	/* !have siginfo_t && (have _SIGNAL_H || need siginfo_t).  */
+
+
+#if (defined _SIGNAL_H || defined __need_sigevent_t) \
+    && !defined __have_sigevent_t
+# define __have_sigevent_t	1
+
+/* Structure to transport application-defined values with signals.  */
+# define __SIGEV_MAX_SIZE	64
+# if __WORDSIZE == 64
+#  define __SIGEV_PAD_SIZE	((__SIGEV_MAX_SIZE / sizeof (int)) - 4)
+# else
+#  define __SIGEV_PAD_SIZE	((__SIGEV_MAX_SIZE / sizeof (int)) - 3)
+# endif
+
+/* Forward declaration of the `pthread_attr_t' type.  */
+struct __pthread_attr_s;
+
+typedef struct sigevent
+  {
+    sigval_t sigev_value;
+    int sigev_signo;
+    int sigev_notify;
+
+    union
+      {
+	int _pad[__SIGEV_PAD_SIZE];
+
+	struct
+	  {
+	    void (*_function) (sigval_t);	  /* Function to start.  */
+	    struct __pthread_attr_s *_attribute;  /* Really pthread_attr_t.  */
+	  } _sigev_thread;
+      } _sigev_un;
+  } sigevent_t;
+
+/* POSIX names to access some of the members.  */
+# define sigev_notify_function   _sigev_un._sigev_thread._function
+# define sigev_notify_attributes _sigev_un._sigev_thread._attribute
+
+/* `sigev_notify' values.  */
+enum
+{
+  SIGEV_SIGNAL = 0,		/* Notify via signal.  */
+# define SIGEV_SIGNAL	SIGEV_SIGNAL
+  SIGEV_NONE,			/* Other notification: meaningless.  */
+# define SIGEV_NONE	SIGEV_NONE
+  SIGEV_THREAD			/* Deliver via thread creation.  */
+# define SIGEV_THREAD	SIGEV_THREAD
+};
+
+#endif	/* have _SIGNAL_H.  */
diff --git a/libc/sysdeps/linux/alpha/bits/signum.h b/libc/sysdeps/linux/alpha/bits/signum.h
new file mode 100644
index 000000000..44c96a204
--- /dev/null
+++ b/libc/sysdeps/linux/alpha/bits/signum.h
@@ -0,0 +1,82 @@
+/* Signal number definitions.  Linux/Alpha version.
+   Copyright (C) 1996, 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.  */
+
+#ifdef	_SIGNAL_H
+
+/* Fake signal functions.  */
+#define SIG_ERR ((__sighandler_t) -1) /* Error return.  */
+#define SIG_DFL ((__sighandler_t) 0) /* Default action.  */
+#define SIG_IGN ((__sighandler_t) 1) /* Ignore signal.  */
+
+#ifdef __USE_UNIX98
+# define SIG_HOLD	((__sighandler_t) 2)	/* Add signal to hold mask.  */
+#endif
+
+/*
+ * Linux/AXP has different signal numbers that Linux/i386: I'm trying
+ * to make it OSF/1 binary compatible, at least for normal binaries.
+ */
+#define SIGHUP		 1
+#define SIGINT		 2
+#define SIGQUIT		 3
+#define SIGILL		 4
+#define SIGTRAP		 5
+#define SIGABRT		 6
+#define SIGEMT		 7
+#define SIGFPE		 8
+#define SIGKILL		 9
+#define SIGBUS		10
+#define SIGSEGV		11
+#define SIGSYS		12
+#define SIGPIPE		13
+#define SIGALRM		14
+#define SIGTERM		15
+#define SIGURG		16
+#define SIGSTOP		17
+#define SIGTSTP		18
+#define SIGCONT		19
+#define SIGCHLD		20
+#define SIGCLD          SIGCHLD
+#define SIGTTIN		21
+#define SIGTTOU		22
+#define SIGIO		23
+#define SIGXCPU		24
+#define SIGXFSZ		25
+#define SIGVTALRM	26
+#define SIGPROF		27
+#define SIGWINCH	28
+#define SIGINFO		29
+#define SIGUSR1		30
+#define SIGUSR2		31
+
+#define SIGPOLL	SIGIO
+#define SIGPWR	SIGINFO
+#define SIGIOT	SIGABRT
+
+#define	_NSIG		64	/* Biggest signal number + 1.  */
+
+#define SIGRTMIN	(__libc_current_sigrtmin ())
+#define SIGRTMAX	(__libc_current_sigrtmax ())
+
+/* These are the hard limits of the kernel.  These values should not be
+   used directly at user level.  */
+#define __SIGRTMIN	32
+#define __SIGRTMAX	(_NSIG - 1)
+
+#endif	/* <signal.h> included.  */
diff --git a/libc/sysdeps/linux/alpha/bits/sigstack.h b/libc/sysdeps/linux/alpha/bits/sigstack.h
new file mode 100644
index 000000000..7faaf98d5
--- /dev/null
+++ b/libc/sysdeps/linux/alpha/bits/sigstack.h
@@ -0,0 +1,55 @@
+/* sigstack, sigaltstack definitions.
+   Copyright (C) 1998 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#ifndef _SIGNAL_H
+# error "Never include this file directly.  Use <signal.h> instead"
+#endif
+
+
+/* Structure describing a signal stack (obsolete).  */
+struct sigstack
+  {
+    __ptr_t ss_sp;		/* Signal stack pointer.  */
+    int ss_onstack;		/* Nonzero if executing on this stack.  */
+  };
+
+
+/* Possible values for `ss_flags.'.  */
+enum
+{
+  SS_ONSTACK = 1,
+#define SS_ONSTACK	SS_ONSTACK
+  SS_DISABLE
+#define SS_DISABLE	SS_DISABLE
+};
+
+/* Minimum stack size for a signal handler.  */
+#define MINSIGSTKSZ	4096
+
+/* System default stack size.  */
+#define SIGSTKSZ	16384
+
+
+/* Alternate, preferred interface.  */
+typedef struct sigaltstack
+  {
+    __ptr_t ss_sp;
+    int ss_flags;
+    size_t ss_size;
+  } stack_t;
diff --git a/libc/sysdeps/linux/alpha/bits/socket.h b/libc/sysdeps/linux/alpha/bits/socket.h
new file mode 100644
index 000000000..82c4302ed
--- /dev/null
+++ b/libc/sysdeps/linux/alpha/bits/socket.h
@@ -0,0 +1,315 @@
+/* System-specific socket constants and types.  Linux/Alpha version.
+   Copyright (C) 1991,1992,1994-1999,2000,2001 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#ifndef __BITS_SOCKET_H
+#define __BITS_SOCKET_H
+
+#if !defined _SYS_SOCKET_H && !defined _NETINET_IN_H
+# error "Never include <bits/socket.h> directly; use <sys/socket.h> instead."
+#endif
+
+#define	__need_size_t
+#define __need_NULL
+#include <stddef.h>
+
+#include <limits.h>
+#include <sys/types.h>
+
+/* Type for length arguments in socket calls.  */
+#ifndef __socklen_t_defined
+typedef __socklen_t socklen_t;
+# define __socklen_t_defined
+#endif
+
+/* Types of sockets.  */
+enum __socket_type
+{
+  SOCK_STREAM = 1,		/* Sequenced, reliable, connection-based
+				   byte streams.  */
+#define SOCK_STREAM SOCK_STREAM
+  SOCK_DGRAM = 2,		/* Connectionless, unreliable datagrams
+				   of fixed maximum length.  */
+#define SOCK_DGRAM SOCK_DGRAM
+  SOCK_RAW = 3,			/* Raw protocol interface.  */
+#define SOCK_RAW SOCK_RAW
+  SOCK_RDM = 4,			/* Reliably-delivered messages.  */
+#define SOCK_RDM SOCK_RDM
+  SOCK_SEQPACKET = 5,		/* Sequenced, reliable, connection-based,
+				   datagrams of fixed maximum length.  */
+#define SOCK_SEQPACKET SOCK_SEQPACKET
+  SOCK_PACKET = 10		/* Linux specific way of getting packets
+				   at the dev level.  For writing rarp and
+				   other similar things on the user level. */
+#define SOCK_PACKET SOCK_PACKET
+};
+
+/* Protocol families.  */
+#define	PF_UNSPEC	0	/* Unspecified.  */
+#define	PF_LOCAL	1	/* Local to host (pipes and file-domain).  */
+#define	PF_UNIX		PF_LOCAL /* Old BSD name for PF_LOCAL.  */
+#define	PF_FILE		PF_LOCAL /* Another non-standard name for PF_LOCAL.  */
+#define	PF_INET		2	/* IP protocol family.  */
+#define	PF_AX25		3	/* Amateur Radio AX.25.  */
+#define	PF_IPX		4	/* Novell Internet Protocol.  */
+#define	PF_APPLETALK	5	/* Appletalk DDP.  */
+#define	PF_NETROM	6	/* Amateur radio NetROM.  */
+#define	PF_BRIDGE	7	/* Multiprotocol bridge.  */
+#define	PF_ATMPVC	8	/* ATM PVCs.  */
+#define	PF_X25		9	/* Reserved for X.25 project.  */
+#define	PF_INET6	10	/* IP version 6.  */
+#define	PF_ROSE		11	/* Amateur Radio X.25 PLP.  */
+#define	PF_DECnet	12	/* Reserved for DECnet project.  */
+#define	PF_NETBEUI	13	/* Reserved for 802.2LLC project.  */
+#define	PF_SECURITY	14	/* Security callback pseudo AF.  */
+#define	PF_KEY		15	/* PF_KEY key management API.  */
+#define	PF_NETLINK	16
+#define	PF_ROUTE	PF_NETLINK /* Alias to emulate 4.4BSD.  */
+#define	PF_PACKET	17	/* Packet family.  */
+#define	PF_ASH		18	/* Ash.  */
+#define	PF_ECONET	19	/* Acorn Econet.  */
+#define	PF_ATMSVC	20	/* ATM SVCs.  */
+#define	PF_SNA		22	/* Linux SNA Project */
+#define	PF_IRDA		23	/* IRDA sockets.  */
+#define	PF_PPPOX	24	/* PPPoX sockets.  */
+#define	PF_WANPIPE	25	/* Wanpipe API sockets.  */
+#define	PF_BLUETOOTH	31	/* Bluetooth sockets.  */
+#define	PF_MAX		32	/* For now..  */
+
+/* Address families.  */
+#define	AF_UNSPEC	PF_UNSPEC
+#define	AF_LOCAL	PF_LOCAL
+#define	AF_UNIX		PF_UNIX
+#define	AF_FILE		PF_FILE
+#define	AF_INET		PF_INET
+#define	AF_AX25		PF_AX25
+#define	AF_IPX		PF_IPX
+#define	AF_APPLETALK	PF_APPLETALK
+#define	AF_NETROM	PF_NETROM
+#define	AF_BRIDGE	PF_BRIDGE
+#define	AF_ATMPVC	PF_ATMPVC
+#define	AF_X25		PF_X25
+#define	AF_INET6	PF_INET6
+#define	AF_ROSE		PF_ROSE
+#define	AF_DECnet	PF_DECnet
+#define	AF_NETBEUI	PF_NETBEUI
+#define	AF_SECURITY	PF_SECURITY
+#define	AF_KEY		PF_KEY
+#define	AF_NETLINK	PF_NETLINK
+#define	AF_ROUTE	PF_ROUTE
+#define	AF_PACKET	PF_PACKET
+#define	AF_ASH		PF_ASH
+#define	AF_ECONET	PF_ECONET
+#define	AF_ATMSVC	PF_ATMSVC
+#define	AF_SNA		PF_SNA
+#define	AF_IRDA		PF_IRDA
+#define	AF_PPPOX	PF_PPPOX
+#define	AF_WANPIPE	PF_WANPIPE
+#define	AF_BLUETOOTH	PF_BLUETOOTH
+#define	AF_MAX		PF_MAX
+
+/* Socket level values.  Others are defined in the appropriate headers.
+
+   XXX These definitions also should go into the appropriate headers as
+   far as they are available.  */
+#define SOL_RAW		255
+#define SOL_DECNET      261
+#define SOL_X25         262
+#define SOL_PACKET	263
+#define SOL_ATM		264	/* ATM layer (cell level).  */
+#define SOL_AAL		265	/* ATM Adaption Layer (packet level).  */
+#define SOL_IRDA	266
+
+/* Maximum queue length specifiable by listen.  */
+#define SOMAXCONN	128
+
+/* Get the definition of the macro to define the common sockaddr members.  */
+#include <bits/sockaddr.h>
+
+/* Structure describing a generic socket address.  */
+struct sockaddr
+  {
+    __SOCKADDR_COMMON (sa_);	/* Common data: address family and length.  */
+    char sa_data[14];		/* Address data.  */
+  };
+
+
+/* Structure large enough to hold any socket address (with the historical
+   exception of AF_UNIX).  We reserve 128 bytes.  */
+#if ULONG_MAX > 0xffffffff
+# define __ss_aligntype	__uint64_t
+#else
+# define __ss_aligntype	__uint32_t
+#endif
+#define _SS_SIZE	128
+#define _SS_PADSIZE	(_SS_SIZE - (2 * sizeof (__ss_aligntype)))
+
+struct sockaddr_storage
+  {
+    __SOCKADDR_COMMON (ss_);	/* Address family, etc.  */
+    __ss_aligntype __ss_align;	/* Force desired alignment.  */
+    char __ss_padding[_SS_PADSIZE];
+  };
+
+
+/* Bits in the FLAGS argument to `send', `recv', et al.  */
+enum
+  {
+    MSG_OOB		= 0x01,	/* Process out-of-band data.  */
+#define MSG_OOB		MSG_OOB
+    MSG_PEEK		= 0x02,	/* Peek at incoming messages.  */
+#define MSG_PEEK	MSG_PEEK
+    MSG_DONTROUTE	= 0x04,	/* Don't use local routing.  */
+#define MSG_DONTROUTE	MSG_DONTROUTE
+#ifdef __USE_GNU
+    /* DECnet uses a different name.  */
+    MSG_TRYHARD		= MSG_DONTROUTE,
+# define MSG_TRYHARD	MSG_DONTROUTE
+#endif
+    MSG_CTRUNC		= 0x08,	/* Control data lost before delivery.  */
+#define MSG_CTRUNC	MSG_CTRUNC
+    MSG_PROXY		= 0x10,	/* Supply or ask second address.  */
+#define MSG_PROXY	MSG_PROXY
+    MSG_TRUNC		= 0x20,
+#define	MSG_TRUNC	MSG_TRUNC
+    MSG_DONTWAIT	= 0x40, /* Nonblocking IO.  */
+#define	MSG_DONTWAIT	MSG_DONTWAIT
+    MSG_EOR		= 0x80, /* End of record.  */
+#define	MSG_EOR		MSG_EOR
+    MSG_WAITALL		= 0x100, /* Wait for a full request.  */
+#define	MSG_WAITALL	MSG_WAITALL
+    MSG_FIN		= 0x200,
+#define	MSG_FIN		MSG_FIN
+    MSG_SYN		= 0x400,
+#define	MSG_SYN		MSG_SYN
+    MSG_CONFIRM		= 0x800, /* Confirm path validity.  */
+#define	MSG_CONFIRM	MSG_CONFIRM
+    MSG_RST		= 0x1000,
+#define	MSG_RST		MSG_RST
+    MSG_ERRQUEUE	= 0x2000, /* Fetch message from error queue.  */
+#define	MSG_ERRQUEUE	MSG_ERRQUEUE
+    MSG_NOSIGNAL	= 0x4000, /* Do not generate SIGPIPE.  */
+#define	MSG_NOSIGNAL	MSG_NOSIGNAL
+    MSG_MORE		= 0x8000  /* Sender will send more.  */
+#define	MSG_MORE	MSG_MORE
+  };
+
+
+/* Structure describing messages sent by
+   `sendmsg' and received by `recvmsg'.  */
+struct msghdr
+  {
+    void *msg_name;		/* Address to send to/receive from.  */
+    socklen_t msg_namelen;	/* Length of address data.  */
+
+    struct iovec *msg_iov;	/* Vector of data to send/receive into.  */
+    size_t msg_iovlen;		/* Number of elements in the vector.  */
+
+    void *msg_control;		/* Ancillary data (eg BSD filedesc passing). */
+    size_t msg_controllen;	/* Ancillary data buffer length.  */
+
+    int msg_flags;		/* Flags on received message.  */
+  };
+
+/* Structure used for storage of ancillary data object information.  */
+struct cmsghdr
+  {
+    size_t cmsg_len;		/* Length of data in cmsg_data plus length
+				   of cmsghdr structure.  */
+    int cmsg_level;		/* Originating protocol.  */
+    int cmsg_type;		/* Protocol specific type.  */
+#if (!defined __STRICT_ANSI__ && __GNUC__ >= 2) || __STDC_VERSION__ >= 199901L
+    __extension__ unsigned char __cmsg_data __flexarr; /* Ancillary data.  */
+#endif
+  };
+
+/* Ancillary data object manipulation macros.  */
+#if (!d