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-rw-r--r--sysdeps/unix/sysv/linux/Makefile4
-rw-r--r--sysdeps/unix/sysv/linux/alpha/pread64.c1
-rw-r--r--sysdeps/unix/sysv/linux/alpha/pwrite64.c1
-rw-r--r--sysdeps/unix/sysv/linux/alpha/syscalls.list2
-rw-r--r--sysdeps/unix/sysv/linux/bits/socket.h16
-rw-r--r--sysdeps/unix/sysv/linux/net/if_arp.h3
-rw-r--r--sysdeps/unix/sysv/linux/net/if_packet.h26
-rw-r--r--sysdeps/unix/sysv/linux/pread.c28
-rw-r--r--sysdeps/unix/sysv/linux/pread64.c53
-rw-r--r--sysdeps/unix/sysv/linux/pwrite.c28
-rw-r--r--sysdeps/unix/sysv/linux/pwrite64.c53
-rw-r--r--sysdeps/unix/sysv/linux/s_pread64.c30
-rw-r--r--sysdeps/unix/sysv/linux/s_pwrite64.c30
-rw-r--r--sysdeps/unix/sysv/linux/sparc/sparc32/init-first.h4
-rw-r--r--sysdeps/unix/sysv/linux/sparc/sparc32/socket.S48
-rw-r--r--sysdeps/unix/sysv/linux/sparc/sparc64/pread64.c1
-rw-r--r--sysdeps/unix/sysv/linux/sparc/sparc64/pwrite64.c1
-rw-r--r--sysdeps/unix/sysv/linux/sparc/sparc64/syscalls.list2
-rw-r--r--sysdeps/unix/sysv/linux/sys/prctl.h32
-rw-r--r--sysdeps/unix/sysv/linux/syscalls.list2
20 files changed, 344 insertions, 21 deletions
diff --git a/sysdeps/unix/sysv/linux/Makefile b/sysdeps/unix/sysv/linux/Makefile
index 4bfc3eb352..8db8094dc1 100644
--- a/sysdeps/unix/sysv/linux/Makefile
+++ b/sysdeps/unix/sysv/linux/Makefile
@@ -76,6 +76,10 @@ sysdep_headers += netinet/in_systm.h netinet/udp.h \
 		  sys/socketvar.h
 endif
 
+ifeq ($(subdir),posix)
+sysdep_routines += s_pread64 s_pwrite64
+endif
+
 # Don't compile the ctype glue code, since there is no old non-GNU C library.
 inhibit-glue = yes
 
diff --git a/sysdeps/unix/sysv/linux/alpha/pread64.c b/sysdeps/unix/sysv/linux/alpha/pread64.c
new file mode 100644
index 0000000000..b7f298dea8
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/alpha/pread64.c
@@ -0,0 +1 @@
+/* Empty since the pread syscall is equivalent.  */
diff --git a/sysdeps/unix/sysv/linux/alpha/pwrite64.c b/sysdeps/unix/sysv/linux/alpha/pwrite64.c
new file mode 100644
index 0000000000..b7f298dea8
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/alpha/pwrite64.c
@@ -0,0 +1 @@
+/* Empty since the pread syscall is equivalent.  */
diff --git a/sysdeps/unix/sysv/linux/alpha/syscalls.list b/sysdeps/unix/sysv/linux/alpha/syscalls.list
index 71407062fb..9e4cd39a8f 100644
--- a/sysdeps/unix/sysv/linux/alpha/syscalls.list
+++ b/sysdeps/unix/sysv/linux/alpha/syscalls.list
@@ -21,6 +21,8 @@ getpeername	-	getpeername	3	__getpeername	getpeername
 getpriority	-	getpriority	2	__getpriority	getpriority
 mmap		-	mmap		6	__mmap		mmap
 llseek		EXTRA	lseek		3	llseek
+pread		EXTRA	pread		4	__pread		pread __pread64 pread64
+pwrite		EXTRA	pwrite		4	__pwrite	pwrite __pwrite64 pwrite64
 
 # these are actually common with the x86:
 fstatfs		-	fstatfs		2	__fstatfs	fstatfs
diff --git a/sysdeps/unix/sysv/linux/bits/socket.h b/sysdeps/unix/sysv/linux/bits/socket.h
index 2a8d6ed004..8f859d2e3e 100644
--- a/sysdeps/unix/sysv/linux/bits/socket.h
+++ b/sysdeps/unix/sysv/linux/bits/socket.h
@@ -136,10 +136,10 @@ struct msghdr
     socklen_t msg_namelen;	/* Length of address data.  */
 
     struct iovec *msg_iov;	/* Vector of data to send/receive into.  */
-    int msg_iovlen;		/* Number of elements in the vector.  */
+    size_t msg_iovlen;		/* Number of elements in the vector.  */
 
     __ptr_t msg_control;	/* Ancillary data (eg BSD filedesc passing). */
-    socklen_t msg_controllen;	/* Ancillary data buffer length.  */
+    size_t msg_controllen;	/* Ancillary data buffer length.  */
 
     int msg_flags;		/* Flags on received message.  */
   };
@@ -147,7 +147,7 @@ struct msghdr
 /* Structure used for storage of ancillary data object information.  */
 struct cmsghdr
   {
-    socklen_t cmsg_len;		/* Length of data in cmsg_data plus length
+    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.  */
@@ -195,6 +195,16 @@ __cmsg_nxthdr (struct msghdr *__mhdr, struct cmsghdr *__cmsg)
   return (struct cmsghdr *) __p;
 }
 
+/* Socket level message types.  This must match the definitions in
+   <linux/socket.h>.  */
+enum
+  {
+    SCM_RIGHTS = 0x01,		/* Data array contains access rights.  */
+#define SCM_RIGHTS SCM_RIGHTS
+    __SCM_CREDENTIALS = 0x02,	/* Data array is `struct ucred'.  */
+    __SCM_CONNECT = 0x03	/* Data array is `struct scm_connect'.  */
+  };
+
 
 /* Get socket manipulation related informations from kernel headers.  */
 #include <asm/socket.h>
diff --git a/sysdeps/unix/sysv/linux/net/if_arp.h b/sysdeps/unix/sysv/linux/net/if_arp.h
index d784f0cfc7..80f4516344 100644
--- a/sysdeps/unix/sysv/linux/net/if_arp.h
+++ b/sysdeps/unix/sysv/linux/net/if_arp.h
@@ -69,7 +69,7 @@ struct arphdr
 
 /* ARP protocol HARDWARE identifiers. */
 #define ARPHRD_NETROM	0		/* From KA9Q: NET/ROM pseudo. */
-#define ARPHRD_ETHER 	1		/* Ethernet 10Mbps.  */
+#define ARPHRD_ETHER 	1		/* Ethernet 10/100Mbps.  */
 #define	ARPHRD_EETHER	2		/* Experimental Ethernet.  */
 #define	ARPHRD_AX25	3		/* AX.25 Level 2.  */
 #define	ARPHRD_PRONET	4		/* PROnet token ring.  */
@@ -92,6 +92,7 @@ struct arphdr
 #define ARPHRD_PPP	512
 #define ARPHRD_HDLC	513		/* (Cisco) HDLC.  */
 #define ARPHRD_LAPB	516		/* LAPB.  */
+#define ARPHRD_ASH	517		/* ASH.  */
 
 #define ARPHRD_TUNNEL	768		/* IPIP tunnel.  */
 #define ARPHRD_TUNNEL6	769		/* IPIP6 tunnel.  */
diff --git a/sysdeps/unix/sysv/linux/net/if_packet.h b/sysdeps/unix/sysv/linux/net/if_packet.h
new file mode 100644
index 0000000000..60155eeac3
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/net/if_packet.h
@@ -0,0 +1,26 @@
+/* Definitions for use with Linux SOCK_PACKET sockets.
+   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 Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#ifndef __IF_PACKET_H
+#define __IF_PACKET_H
+
+/* For now we can just use the kernel definitions.  */
+#include <linux/if_packet.h>
+
+#endif
diff --git a/sysdeps/unix/sysv/linux/pread.c b/sysdeps/unix/sysv/linux/pread.c
new file mode 100644
index 0000000000..eeb26eb663
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/pread.c
@@ -0,0 +1,28 @@
+/* Copyright (C) 1997 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <unistd.h>
+
+ssize_t
+__pread (int fd, void *buf, size_t nbytes, off_t offset)
+{
+  return __pread64 (fd, buf, nbytes, (off64_t) offset);
+}
+
+weak_alias (__pread, pread)
diff --git a/sysdeps/unix/sysv/linux/pread64.c b/sysdeps/unix/sysv/linux/pread64.c
new file mode 100644
index 0000000000..e2505dbaa4
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/pread64.c
@@ -0,0 +1,53 @@
+/* Copyright (C) 1997 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <errno.h>
+#include <unistd.h>
+
+extern ssize_t __syscall_pread64 (int fd, void *buf, size_t count,
+				  off_t offset_hi, off_t offset_lo);
+
+static ssize_t __emulate_pread64 (int fd, void *buf, size_t count,
+				  off64_t offset) internal_function;
+
+
+ssize_t
+__pread64 (fd, buf, count, offset)
+     int fd;
+     void *buf;
+     size_t count;
+     off64_t offset;
+{
+  ssize_t result;
+
+  /* First try the syscall.  */
+  result = __syscall_pread64 (fd, buf, count, (off_t) (offset >> 32),
+			      (off_t) (offset & 0xffffffff));
+  if (result == -1 && errno == ENOSYS)
+    /* No system call available.  Use the emulation.  */
+    result = __emulate_pread64 (fd, buf, count, offset);
+
+  return result;
+}
+
+weak_alias (__pread64, pread64)
+
+#define __pread64(fd, buf, count, offset) \
+     static internal_function __emulate_pread64 (fd, buf, count, offset)
+#include <sysdeps/posix/pread64.c>
diff --git a/sysdeps/unix/sysv/linux/pwrite.c b/sysdeps/unix/sysv/linux/pwrite.c
new file mode 100644
index 0000000000..d8695db2a8
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/pwrite.c
@@ -0,0 +1,28 @@
+/* Copyright (C) 1997 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <unistd.h>
+
+ssize_t
+__pwrite (int fd, const void *buf, size_t nbytes, off_t offset)
+{
+  return __pwrite64 (fd, buf, nbytes, (off64_t) offset);
+}
+
+weak_alias (__pwrite, pwrite)
diff --git a/sysdeps/unix/sysv/linux/pwrite64.c b/sysdeps/unix/sysv/linux/pwrite64.c
new file mode 100644
index 0000000000..f2b4bcbe4e
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/pwrite64.c
@@ -0,0 +1,53 @@
+/* Copyright (C) 1997 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <errno.h>
+#include <unistd.h>
+
+extern ssize_t __syscall_pwrite64 (int fd, const void *buf, size_t count,
+				   off_t offset_hi, off_t offset_lo);
+
+static ssize_t __emulate_pwrite64 (int fd, const void *buf, size_t count,
+				   off64_t offset) internal_function;
+
+
+ssize_t
+__pwrite64 (fd, buf, count, offset)
+     int fd;
+     const void *buf;
+     size_t count;
+     off64_t offset;
+{
+  ssize_t result;
+
+  /* First try the syscall.  */
+  result = __syscall_pwrite64 (fd, buf, count, (off_t) (offset >> 32),
+			       (off_t) (offset & 0xffffffff));
+  if (result == -1 && errno == ENOSYS)
+    /* No system call available.  Use the emulation.  */
+    result = __emulate_pwrite64 (fd, buf, count, offset);
+
+  return result;
+}
+
+weak_alias (__pwrite64, pwrite64)
+
+#define __pwrite64(fd, buf, count, offset) \
+     static internal_function __emulate_pwrite64 (fd, buf, count, offset)
+#include <sysdeps/posix/pwrite64.c>
diff --git a/sysdeps/unix/sysv/linux/s_pread64.c b/sysdeps/unix/sysv/linux/s_pread64.c
new file mode 100644
index 0000000000..9c25a05e18
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/s_pread64.c
@@ -0,0 +1,30 @@
+/* Copyright (C) 1997 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <errno.h>
+#include <unistd.h>
+
+/* This file is used if no system call is available.  */
+ssize_t
+__syscall_pread64 (int fd, char *buf, size_t count,
+		   off_t offset_hi, off_t offset_lo)
+{
+  __set_errno (ENOSYS);
+  return -1;
+}
diff --git a/sysdeps/unix/sysv/linux/s_pwrite64.c b/sysdeps/unix/sysv/linux/s_pwrite64.c
new file mode 100644
index 0000000000..bed11fd8ee
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/s_pwrite64.c
@@ -0,0 +1,30 @@
+/* Copyright (C) 1997 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <errno.h>
+#include <unistd.h>
+
+/* This file is used if no system call is available.  */
+ssize_t
+__syscall_pwrite64 (int fd, const char *buf, size_t count,
+		    off_t offset_hi, off_t offset_lo)
+{
+  __set_errno (ENOSYS);
+  return -1;
+}
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/init-first.h b/sysdeps/unix/sysv/linux/sparc/sparc32/init-first.h
index 9bbe6bcdab..384c5c219b 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc32/init-first.h
+++ b/sysdeps/unix/sysv/linux/sparc/sparc32/init-first.h
@@ -76,12 +76,12 @@
 	cmp	%g2, 0
 	beq	3f
 	 sethi	%hi(__libc_multiple_libcs), %g3
-	ld	[%g4+%g2], %g2
+	ld	[%g2], %g2
 	subcc	%g0, %g2, %g0
 	subx	%g0, -1, %g2
 3:	or	%g3, %lo(__libc_multiple_libcs), %g3
 	cmp	%g2, 0
-	st	%g2, [%g3+%g4]
+	st	%g2, [%g3]
 	/* If so, argc et al are in %o0-%o2 already.  Otherwise, load them.  */
 	bnz	" #INIT "
 	 nop
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/socket.S b/sysdeps/unix/sysv/linux/sparc/sparc32/socket.S
index bdfc2fcc6d..4c65ac7f3c 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc32/socket.S
+++ b/sysdeps/unix/sysv/linux/sparc/sparc32/socket.S
@@ -23,6 +23,13 @@
 #define P(a, b) P2(a, b)
 #define P2(a, b) a##b
 
+#ifndef NARGS
+#ifdef socket
+#error NARGS not defined
+#endif
+#define NARGS 3
+#endif
+
 	.text
 /* The socket-oriented system calls are handled unusually in Linux.
    They are all gated through the single `socketcall' system call number.
@@ -34,25 +41,36 @@
 
 .globl P(__,socket)
 ENTRY (P(__,socket))
-	mov SYS_ify(socketcall), %g1    /* System call number */
 
-	/* Use ## so `socket' is a separate token that might be #define'd.  */
-	mov P(SOCKOP_,socket), %o0	/* Subcode is first arg to syscall.  */
-	mov %i0,%o1		        /* args pointer is second arg to syscall */
+	/* Drop up to 6 arguments (recvfrom) into the memory allocated by
+	   the caller for varargs, since that's really what we have.  */
+	st %o0, [%sp + 68 + 0]
+	st %o1, [%sp + 68 + 4]
+#if NARGS > 2
+	st %o2, [%sp + 68 + 8]
+#if NARGS > 3
+	st %o3, [%sp + 68 + 12]
+#if NARGS > 4
+	st %o4, [%sp + 68 + 16]
+#if NARGS > 5
+	st %o5, [%sp + 68 + 20]
+#endif
+#endif
+#endif
+#endif
 
+	mov P(SOCKOP_,socket), %o0	/* arg 1: socket subfunction */
+	add %sp, 68, %o1		/* arg 2: parameter block */
+	LOADSYSCALL(socketcall)
 	t 0x10
-	bcc,a	1
-	nop
-	save %sp,96,%sp
-	call __errno_location
-	nop
-	st %i0,[%o0]
-	restore
+
+        bcs,a 1f
+	 nop
 	retl
-	mov -1,%o0
-1:
-	ret
+	 nop
+
+1:	SYSCALL_ERROR_HANDLER
 
-PSEUDO_END (P(__,socket))
+END (P(__,socket))
 
 weak_alias (P(__,socket), socket)
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/pread64.c b/sysdeps/unix/sysv/linux/sparc/sparc64/pread64.c
new file mode 100644
index 0000000000..b7f298dea8
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/sparc/sparc64/pread64.c
@@ -0,0 +1 @@
+/* Empty since the pread syscall is equivalent.  */
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/pwrite64.c b/sysdeps/unix/sysv/linux/sparc/sparc64/pwrite64.c
new file mode 100644
index 0000000000..b7f298dea8
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/sparc/sparc64/pwrite64.c
@@ -0,0 +1 @@
+/* Empty since the pread syscall is equivalent.  */
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/syscalls.list b/sysdeps/unix/sysv/linux/sparc/sparc64/syscalls.list
index e5425e9a29..d0bee8fa07 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc64/syscalls.list
+++ b/sysdeps/unix/sysv/linux/sparc/sparc64/syscalls.list
@@ -2,6 +2,8 @@
 
 # Whee! 64-bit systems naturally implement llseek.
 llseek		EXTRA	lseek		3	llseek
+pread		EXTRA	pread		4	__pread		pread __pread64 pread64
+pwrite		EXTRA	pwrite		4	__pwrite	pwrite __pwrite64 pwrite64
 
 # Override select.S in parent directory:
 select		-	select		5	__select	select
diff --git a/sysdeps/unix/sysv/linux/sys/prctl.h b/sysdeps/unix/sysv/linux/sys/prctl.h
new file mode 100644
index 0000000000..b5b4412fc4
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/sys/prctl.h
@@ -0,0 +1,32 @@
+/* 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 Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#ifndef _SYS_PRCTL_H
+#define _SYS_PRCTL_H	1
+
+#include <features.h>
+#include <linux/prctl.h>  /*  The magic values come from here  */
+
+__BEGIN_DECLS
+
+/* Control process execution.  */
+extern int prctl __P ((int __option, ...));
+
+__END_DECLS
+
+#endif  /* sys/prctl.h */
diff --git a/sysdeps/unix/sysv/linux/syscalls.list b/sysdeps/unix/sysv/linux/syscalls.list
index 6028a04aaf..a1fe445739 100644
--- a/sysdeps/unix/sysv/linux/syscalls.list
+++ b/sysdeps/unix/sysv/linux/syscalls.list
@@ -38,7 +38,9 @@ quotactl	EXTRA	quotactl	4	quotactl
 s_getdents	EXTRA	getdents	3	__getdents
 s_getpriority	getpriority getpriority	2	__syscall_getpriority
 s_poll		poll	poll		3	__syscall_poll
+s_pread64	EXTRA	pread		5	__syscall_pread64
 s_ptrace	ptrace	ptrace		4	__syscall_ptrace
+s_pwrite64	EXTRA	pwrite		5	__syscall_pwrite64
 s_reboot	EXTRA	reboot		3	__syscall_reboot
 s_sigaction	sigaction sigaction	3	__syscall_sigaction
 s_sigsuspend	sigsuspend sigsuspend	3	__syscall_sigsuspend