386 system call fixes:

* use 64-bit file system calls (Linux, Darwin)
  * use 32-bit [sic] uid/gid calls (Linux)
  * fix sockets on Linux

Darwin/386 works again.

Linux/386 is better but must never have worked;
there are still bugs surrounding the creation of new
threads in the runtime package.

R=austin
DELTA=1332  (673 added, 614 deleted, 45 changed)
OCL=30327
CL=30380

src/pkg/os/os_test.go

@@ -367,13 +367,13 @@ func TestChmod(t *testing.T) {
 func checkUidGid(t *testing.T, path string, uid, gid int) {
 	dir, err := Stat(path);
 	if err != nil {
-		t.Fatalf("Stat %q (looking for uid/gid %#o/%#o): %s", path, uid, gid, err);
+		t.Fatalf("Stat %q (looking for uid/gid %d/%d): %s", path, uid, gid, err);
 	}
 	if dir.Uid != uint32(uid) {
-		t.Errorf("Stat %q: uid %#o want %#o", path, dir.Uid, uid);
+		t.Errorf("Stat %q: uid %d want %d", path, dir.Uid, uid);
 	}
 	if dir.Gid != uint32(gid) {
-		t.Errorf("Stat %q: gid %#o want %#o", path, dir.Gid, uid);
+		t.Errorf("Stat %q: gid %d want %d", path, dir.Gid, gid);
 	}
 }
 
@@ -398,6 +398,7 @@ func TestChown(t *testing.T) {
 	// Can't change uid unless root, but can try
 	// changing the group id.  First try our current group.
 	gid := Getgid();
+	t.Log("gid:", gid);
 	if err = Chown(Path, -1, gid); err != nil {
 		t.Fatalf("chown %s -1 %d: %s", Path, gid, err);
 	}
@@ -408,6 +409,7 @@ func TestChown(t *testing.T) {
 	if err != nil {
 		t.Fatalf("getgroups: %s", err);
 	}
+	t.Log("groups: ", groups);
 	for i, g := range groups {
 		if err = Chown(Path, -1, g); err != nil {
 			t.Fatalf("chown %s -1 %d: %s", Path, g, err);

src/pkg/syscall/PORT

@@ -100,6 +100,7 @@ darwin_amd64)
 	mkerrors="mkerrors"
 	;;
 linux_386)
+	mksyscall="mksyscall -l32"
 	mksysnum="mksysnum_linux /usr/include/asm/unistd_32.h"
 	mktypes="godefs -gsyscall -f-m32"
 	;;

src/pkg/syscall/asm_darwin_386.s

@@ -29,7 +29,7 @@ TEXT	syscall·Syscall(SB),7,$0
 	RET
 ok:
 	MOVL	AX, 20(SP)	// r1
-	MOVL	DX, 24(SP)	// r2 ???
+	MOVL	DX, 24(SP)	// r2
 	MOVL	$0, 28(SP)	// errno
 	CALL	sys·exitsyscall(SB)
 	RET
@@ -56,7 +56,7 @@ TEXT	syscall·Syscall6(SB),7,$0
 	RET
 ok6:
 	MOVL	AX, 32(SP)	// r1
-	MOVL	DX, 36(SP)	// r2 ???
+	MOVL	DX, 36(SP)	// r2
 	MOVL	$0, 40(SP)	// errno
 	CALL	sys·exitsyscall(SB)
 	RET
@@ -78,6 +78,6 @@ TEXT syscall·RawSyscall(SB),7,$0
 	RET
 ok1:
 	MOVL	AX, 20(SP)	// r1
-	MOVL	DX, 24(SP)	// r2 ???
+	MOVL	DX, 24(SP)	// r2
 	MOVL	$0, 28(SP)	// errno
 	RET

src/pkg/syscall/asm_linux_386.s

@@ -6,7 +6,7 @@
 // System calls for 386, Linux
 //
 
-// func Syscall(trap int64, a1, a2, a3 int64) (r1, r2, err int64);
+// func Syscall(trap uintptr, a1, a2, a3 uintptr) (r1, r2, err uintptr);
 // Trap # in AX, args in BX CX DX SI DI, return in AX
 
 TEXT	syscall·Syscall(SB),7,$0
@@ -33,6 +33,7 @@ ok:
 	CALL	sys·exitsyscall(SB)
 	RET
 
+// func Syscall6(trap uintptr, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2, err uintptr);
 // Actually Syscall5 but the rest of the code expects it to be named Syscall6.
 TEXT	syscall·Syscall6(SB),7,$0
 	CALL	sys·entersyscall(SB)
@@ -59,6 +60,7 @@ ok6:
 	CALL	sys·exitsyscall(SB)
 	RET
 
+// func RawSyscall(trap uintptr, a1, a2, a3 uintptr) (r1, r2, err uintptr);
 TEXT syscall·RawSyscall(SB),7,$0
 	MOVL	4(SP), AX	// syscall entry
 	MOVL	8(SP), BX
@@ -96,13 +98,42 @@ TEXT syscall·socketcall(SB),7,$0
 	INT	$0x80
 	CMPL	AX, $0xfffff001
 	JLS	oksock
-	MOVL	$-1, 28(SP)	// n
+	MOVL	$-1, 32(SP)	// n
 	NEGL	AX
-	MOVL	AX, 32(SP)  // errno
+	MOVL	AX, 36(SP)  // errno
 	CALL	sys·exitsyscall(SB)
 	RET
 oksock:
-	MOVL	AX, 28(SP)	// n
+	MOVL	AX, 32(SP)	// n
-	MOVL	$0, 32(SP)	// errno
+	MOVL	$0, 36(SP)	// errno
+	CALL	sys·exitsyscall(SB)
+	RET
+
+#define SYS__LLSEEK 140	/* from zsysnum_linux_386.go */
+// func Seek(fd int, offset int64, whence int) (newoffset int64, errno int)
+// Implemented in assembly to avoid allocation when
+// taking the address of the return value newoffset.
+// Underlying system call is
+//	llseek(int fd, int offhi, int offlo, int64 *result, int whence)
+TEXT syscall·Seek(SB),7,$0
+	CALL	sys·entersyscall(SB)
+	MOVL	$SYS__LLSEEK, AX	// syscall entry
+	MOVL	4(SP), BX	// fd
+	MOVL	12(SP), CX	// offset-high
+	MOVL	8(SP), DX	// offset-low
+	LEAL	20(SP), SI	// result pointer
+	MOVL	16(SP),  DI	// whence
+	INT	$0x80
+	CMPL	AX, $0xfffff001
+	JLS	okseek
+	MOVL	$-1, 20(SP)	// newoffset low
+	MOVL	$-1, 24(SP)	// newoffset high
+	NEGL	AX
+	MOVL	AX, 28(SP)  // errno
+	CALL	sys·exitsyscall(SB)
+	RET
+okseek:
+	// system call filled in newoffset already
+	MOVL	$0, 28(SP)	// errno
 	CALL	sys·exitsyscall(SB)
 	RET

src/pkg/syscall/mksyscall

@@ -142,6 +142,18 @@ while(<>) {
 		if($type eq "bool") {
 			$reg = "$reg != 0";
 		}
+		if($type eq "int64" && $_32bit ne "") {
+			# 64-bit number in r1:r0 or r0:r1.
+			if($i+2 > @out) {
+				print STDERR "$ARGV:$.: not enough registers for int64 return\n";
+			}
+			if($_32bit eq "big-endian") {
+				$reg = sprintf("int64(r%d)<<32 | int64(r%d)", $i, $i+1);
+			} else {
+				$reg = sprintf("int64(r%d)<<32 | int64(r%d)", $i+1, $i);
+			}
+			$i++;		# loop will do another $i++
+		}
 		$text .= "\t$name = $type($reg);\n";
 	}
 

src/pkg/syscall/syscall_darwin.go

@@ -154,13 +154,6 @@ func Pipe(p []int) (errno int) {
 	return;
 }
 
-// TODO(rsc): How does 386 return an int64 newoffset?
-//sys	lseek(fd int, offset int64, whence int) (newoffset uintptr, errno int)
-func Seek(fd int, offset int64, whence int) (newoffset int64, errno int) {
-	n, e := lseek(fd, offset, whence);
-	return int64(n), e;
-}
-
 func Sleep(ns int64) (errno int) {
 	tv := NsecToTimeval(ns);
 	return Select(0, nil, nil, nil, &tv);
@@ -427,6 +420,7 @@ func Kevent(kq int, changes, events []Kevent_t, timeout *Timespec) (n int, errno
 //sys	Rename(from string, to string) (errno int)
 //sys	Revoke(path string) (errno int)
 //sys	Rmdir(path string) (errno int)
+//sys	Seek(fd int, offset int64, whence int) (newoffset int64, errno int) = SYS_LSEEK
 //sys	Select(n int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (errno int)
 //sys	Setegid(egid int) (errno int)
 //sys	Seteuid(euid int) (errno int)

src/pkg/syscall/syscall_darwin_386.go

@@ -31,7 +31,7 @@ func NsecToTimeval(nsec int64) (tv Timeval) {
 	return;
 }
 
-//sys	gettimeofday(tp *Timeval) (sec int64, usec int32, errno int)
+//sys	gettimeofday(tp *Timeval) (sec int32, usec int32, errno int)
 func Gettimeofday(tv *Timeval) (errno int) {
 	// The tv passed to gettimeofday must be non-nil
 	// but is otherwise unused.  The answers come back

src/pkg/syscall/syscall_linux.go

@@ -66,8 +66,6 @@ func Getwd() (wd string, errno int) {
 	return string(buf[0:n-1]), 0
 }
 
-//sys	getgroups(n int, list *_Gid_t) (nn int, errno int)
-//sys	setgroups(n int, list *_Gid_t) (errno int)
 func Getgroups() (gids []int, errno int) {
 	n, err := getgroups(0, nil);
 	if err != 0 {
@@ -380,7 +378,6 @@ func SetsockoptLinger(fd, level, opt int, l *Linger) (errno int) {
 //sys	Adjtimex(buf *Timex) (state int, errno int)
 //sys	Chdir(path string) (errno int)
 //sys	Chmod(path string, mode int) (errno int)
-//sys	Chown(path string, uid int, gid int) (errno int)
 //sys	Chroot(path string) (errno int)
 //sys	Close(fd int) (errno int)
 //sys	Creat(path string, mode int) (fd int, errno int)
@@ -395,18 +392,12 @@ func SetsockoptLinger(fd, level, opt int, l *Linger) (errno int) {
 //sys	Fchdir(fd int) (errno int)
 //sys	Fchmod(fd int, mode int) (errno int)
 //sys	Fchmodat(dirfd int, path string, mode int, flags int) (errno int)
-//sys	Fchown(fd int, uid int, gid int) (errno int)
 //sys	Fchownat(dirfd int, path string, uid int, gid int, flags int) (errno int)
 //sys	fcntl(fd int, cmd int, arg int) (val int, errno int)
 //sys	Fdatasync(fd int) (errno int)
-//sys	Fstat(fd int, stat *Stat_t) (errno int)
-//sys	Fstatfs(fd int, buf *Statfs_t) (errno int)
 //sys	Fsync(fd int) (errno int)
 //sys	Ftruncate(fd int, length int64) (errno int)
 //sys	Getdents(fd int, buf []byte) (n int, errno int) = SYS_GETDENTS64
-//sys	Getegid() (egid int)
-//sys	Geteuid() (euid int)
-//sys	Getgid() (gid int)
 //sys	Getpgid(pid int) (pgid int, errno int)
 //sys	Getpgrp() (pid int)
 //sys	Getpid() (pid int)
@@ -415,14 +406,11 @@ func SetsockoptLinger(fd, level, opt int, l *Linger) (errno int) {
 //sys	Getrusage(who int, rusage *Rusage) (errno int)
 //sys	Gettid() (tid int)
 //sys	Gettimeofday(tv *Timeval) (errno int)
-//sys	Getuid() (uid int)
 //sys	Ioperm(from int, num int, on int) (errno int)
 //sys	Iopl(level int) (errno int)
 //sys	Kill(pid int, sig int) (errno int)
 //sys	Klogctl(typ int, buf []byte) (n int, errno int) = SYS_SYSLOG
-//sys	Lchown(path string, uid int, gid int) (errno int)
 //sys	Link(oldpath string, newpath string) (errno int)
-//sys	Lstat(path string, stat *Stat_t) (errno int)
 //sys	Mkdir(path string, mode int) (errno int)
 //sys	Mkdirat(dirfd int, path string, mode int) (errno int)
 //sys	Mknod(path string, mode int, dev int) (errno int)
@@ -439,25 +427,15 @@ func SetsockoptLinger(fd, level, opt int, l *Linger) (errno int) {
 //sys	Rename(oldpath string, newpath string) (errno int)
 //sys	Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (errno int)
 //sys	Rmdir(path string) (errno int)
-//sys	Seek(fd int, offset int64, whence int) (off int64, errno int) = SYS_LSEEK
 //sys	Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, errno int)
 //sys	Setdomainname(p []byte) (errno int)
-//sys	Setfsgid(gid int) (errno int)
-//sys	Setfsuid(uid int) (errno int)
-//sys	Setgid(gid int) (errno int)
 //sys	Sethostname(p []byte) (errno int)
 //sys	Setpgid(pid int, pgid int) (errno int)
-//sys	Setregid(rgid int, egid int) (errno int)
-//sys	Setresgid(rgid int, egid int, sgid int) (errno int)
-//sys	Setresuid(ruid int, euid int, suid int) (errno int)
-//sys	Setreuid(ruid int, euid int) (errno int)
 //sys	Setrlimit(resource int, rlim *Rlimit) (errno int)
 //sys	Setsid() (pid int)
 //sys	Settimeofday(tv *Timeval) (errno int)
 //sys	Setuid(uid int) (errno int)
 //sys	Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int64, errno int)
-//sys	Stat(path string, stat *Stat_t) (errno int)
-//sys	Statfs(path string, buf *Statfs_t) (errno int)
 //sys	Symlink(oldpath string, newpath string) (errno int)
 //sys	Sync()
 //sys	SyncFileRange(fd int, off int64, n int64, flags int) (errno int)

src/pkg/syscall/syscall_linux_386.go

@@ -34,6 +34,34 @@ func NsecToTimeval(nsec int64) (tv Timeval) {
 	return;
 }
 
+// 64-bit file system and 32-bit uid calls
+// (386 default is 32-bit file system and 16-bit uid).
+//sys	Chown(path string, uid int, gid int) (errno int) = SYS_CHOWN32
+//sys	Fchown(fd int, uid int, gid int) (errno int) = SYS_FCHOWN32
+//sys	Fstat(fd int, stat *Stat_t) (errno int) = SYS_FSTAT64
+//sys	Fstatfs(fd int, buf *Statfs_t) (errno int) = SYS_FSTATFS64
+//sys	Getegid() (egid int) = SYS_GETEGID32
+//sys	Geteuid() (euid int) = SYS_GETEUID32
+//sys	Getgid() (gid int) = SYS_GETGID32
+//sys	Getuid() (uid int) = SYS_GETUID32
+//sys	Lchown(path string, uid int, gid int) (errno int) = SYS_LCHOWN32
+//sys	Lstat(path string, stat *Stat_t) (errno int) = SYS_LSTAT64
+//sys	Setfsgid(gid int) (errno int) = SYS_SETFSGID32
+//sys	Setfsuid(uid int) (errno int) = SYS_SETFSUID32
+//sys	Setgid(gid int) (errno int) = SYS_SETGID32
+//sys	Setregid(rgid int, egid int) (errno int) = SYS_SETREGID32
+//sys	Setresgid(rgid int, egid int, sgid int) (errno int) = SYS_SETRESGID32
+//sys	Setresuid(ruid int, euid int, suid int) (errno int) = SYS_SETRESUID32
+//sys	Setreuid(ruid int, euid int) (errno int) = SYS_SETREUID32
+//sys	Stat(path string, stat *Stat_t) (errno int) = SYS_STAT64
+//sys	Statfs(path string, buf *Statfs_t) (errno int) = SYS_STATFS64
+//sys	getgroups(n int, list *_Gid_t) (nn int, errno int) = SYS_GETGROUPS32
+//sys	setgroups(n int, list *_Gid_t) (errno int) = SYS_SETGROUPS32
+
+// Underlying system call writes to newoffset via pointer.
+// Implemented in assembly to avoid allocation.
+func Seek(fd int, offset int64, whence int) (newoffset int64, errno int)
+
 // On x86 Linux, all the socket calls go through an extra indirection,
 // I think because the 5-register system call interface can't handle
 // the 6-argument calls like sendto and recvfrom.  Instead the

src/pkg/syscall/syscall_linux_amd64.go

@@ -6,13 +6,35 @@ package syscall
 
 import "syscall"
 
+//sys	Chown(path string, uid int, gid int) (errno int)
+//sys	Fchown(fd int, uid int, gid int) (errno int)
+//sys	Fstat(fd int, stat *Stat_t) (errno int)
+//sys	Fstatfs(fd int, buf *Statfs_t) (errno int)
+//sys	Getegid() (egid int)
+//sys	Geteuid() (euid int)
+//sys	Getgid() (gid int)
+//sys	Getuid() (uid int)
+//sys	Lchown(path string, uid int, gid int) (errno int)
+//sys	Listen(s int, n int) (errno int)
+//sys	Lstat(path string, stat *Stat_t) (errno int)
+//sys	Seek(fd int, offset int64, whence int) (off int64, errno int) = SYS_LSEEK
+//sys	Setfsgid(gid int) (errno int)
+//sys	Setfsuid(uid int) (errno int)
+//sys	Setgid(gid int) (errno int)
+//sys	Setregid(rgid int, egid int) (errno int)
+//sys	Setresgid(rgid int, egid int, sgid int) (errno int)
+//sys	Setresuid(ruid int, euid int, suid int) (errno int)
+//sys	Setreuid(ruid int, euid int) (errno int)
+//sys	Shutdown(fd int, how int) (errno int)
+//sys	Stat(path string, stat *Stat_t) (errno int)
+//sys	Statfs(path string, buf *Statfs_t) (errno int)
 //sys	accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, errno int)
 //sys	bind(s int, addr uintptr, addrlen _Socklen) (errno int)
 //sys	connect(s int, addr uintptr, addrlen _Socklen) (errno int)
-//sys	socket(domain int, typ int, proto int) (fd int, errno int)
+//sys	getgroups(n int, list *_Gid_t) (nn int, errno int)
+//sys	setgroups(n int, list *_Gid_t) (errno int)
 //sys	setsockopt(s int, level int, name int, val uintptr, vallen int) (errno int)
-//sys	Listen(s int, n int) (errno int)
+//sys	socket(domain int, typ int, proto int) (fd int, errno int)
-//sys	Shutdown(fd int, how int) (errno int)
 
 func Getpagesize() int {
 	return 4096

src/pkg/syscall/types_linux.c

@@ -6,8 +6,10 @@
 Input to godefs.  See PORT.
  */
 
-#define __DARWIN_UNIX03 0
+#define _LARGEFILE_SOURCE
-#define KERNEL
+#define _LARGEFILE64_SOURCE
+#define _FILE_OFFSET_BITS 64
+#define _GNU_SOURCE
 
 #include <dirent.h>
 #include <fcntl.h>

src/pkg/syscall/zsyscall_darwin_386.go

@@ -36,13 +36,6 @@ func pipe() (r int, w int, errno int) {
 	return;
 }
 
-func lseek(fd int, offset int64, whence int) (newoffset uintptr, errno int) {
-	r0, r1, e1 := Syscall6(SYS_LSEEK, uintptr(fd), uintptr(offset), uintptr(offset >> 32), uintptr(whence), 0, 0);
-	newoffset = uintptr(r0);
-	errno = int(e1);
-	return;
-}
-
 func accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, errno int) {
 	r0, r1, e1 := Syscall(SYS_ACCEPT, uintptr(s), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen)));
 	fd = int(r0);
@@ -450,6 +443,12 @@ func Rmdir(path string) (errno int) {
 	return;
 }
 
+func Seek(fd int, offset int64, whence int) (newoffset int64, errno int) {
+	r0, r1, e1 := Syscall6(SYS_LSEEK, uintptr(fd), uintptr(offset), uintptr(offset >> 32), uintptr(whence), 0, 0);
+	newoffset = int64(int64(r1)<<32 | int64(r0));
+	return;
+}
+
 func Select(n int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (errno int) {
 	r0, r1, e1 := Syscall6(SYS_SELECT, uintptr(n), uintptr(unsafe.Pointer(r)), uintptr(unsafe.Pointer(w)), uintptr(unsafe.Pointer(e)), uintptr(unsafe.Pointer(timeout)), 0);
 	errno = int(e1);
@@ -612,9 +611,9 @@ func write(fd int, buf *byte, nbuf int) (n int, errno int) {
 	return;
 }
 
-func gettimeofday(tp *Timeval) (sec int64, usec int32, errno int) {
+func gettimeofday(tp *Timeval) (sec int32, usec int32, errno int) {
 	r0, r1, e1 := Syscall(SYS_GETTIMEOFDAY, uintptr(unsafe.Pointer(tp)), 0, 0);
-	sec = int64(r0);
+	sec = int32(r0);
 	usec = int32(r1);
 	errno = int(e1);
 	return;

src/pkg/syscall/zsyscall_darwin_amd64.go

@@ -36,13 +36,6 @@ func pipe() (r int, w int, errno int) {
 	return;
 }
 
-func lseek(fd int, offset int64, whence int) (newoffset uintptr, errno int) {
-	r0, r1, e1 := Syscall(SYS_LSEEK, uintptr(fd), uintptr(offset), uintptr(whence));
-	newoffset = uintptr(r0);
-	errno = int(e1);
-	return;
-}
-
 func accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, errno int) {
 	r0, r1, e1 := Syscall(SYS_ACCEPT, uintptr(s), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen)));
 	fd = int(r0);
@@ -450,6 +443,13 @@ func Rmdir(path string) (errno int) {
 	return;
 }
 
+func Seek(fd int, offset int64, whence int) (newoffset int64, errno int) {
+	r0, r1, e1 := Syscall(SYS_LSEEK, uintptr(fd), uintptr(offset), uintptr(whence));
+	newoffset = int64(r0);
+	errno = int(e1);
+	return;
+}
+
 func Select(n int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (errno int) {
 	r0, r1, e1 := Syscall6(SYS_SELECT, uintptr(n), uintptr(unsafe.Pointer(r)), uintptr(unsafe.Pointer(w)), uintptr(unsafe.Pointer(e)), uintptr(unsafe.Pointer(timeout)), 0);
 	errno = int(e1);

src/pkg/syscall/zsyscall_linux_386.go

@@ -1,4 +1,4 @@
-// mksyscall syscall_linux.go syscall_linux_386.go
+// mksyscall -l32 syscall_linux.go syscall_linux_386.go
 // MACHINE GENERATED BY THE COMMAND ABOVE; DO NOT EDIT
 
 package syscall
@@ -35,19 +35,6 @@ func Getcwd(buf []byte) (n int, errno int) {
 	return;
 }
 
-func getgroups(n int, list *_Gid_t) (nn int, errno int) {
-	r0, r1, e1 := Syscall(SYS_GETGROUPS, uintptr(n), uintptr(unsafe.Pointer(list)), 0);
-	nn = int(r0);
-	errno = int(e1);
-	return;
-}
-
-func setgroups(n int, list *_Gid_t) (errno int) {
-	r0, r1, e1 := Syscall(SYS_SETGROUPS, uintptr(n), uintptr(unsafe.Pointer(list)), 0);
-	errno = int(e1);
-	return;
-}
-
 func wait4(pid int, wstatus *_C_int, options int, rusage *Rusage) (wpid int, errno int) {
 	r0, r1, e1 := Syscall6(SYS_WAIT4, uintptr(pid), uintptr(unsafe.Pointer(wstatus)), uintptr(options), uintptr(unsafe.Pointer(rusage)), 0, 0);
 	wpid = int(r0);
@@ -86,12 +73,6 @@ func Chmod(path string, mode int) (errno int) {
 	return;
 }
 
-func Chown(path string, uid int, gid int) (errno int) {
-	r0, r1, e1 := Syscall(SYS_CHOWN, uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(uid), uintptr(gid));
-	errno = int(e1);
-	return;
-}
-
 func Chroot(path string) (errno int) {
 	r0, r1, e1 := Syscall(SYS_CHROOT, uintptr(unsafe.Pointer(StringBytePtr(path))), 0, 0);
 	errno = int(e1);
@@ -182,12 +163,6 @@ func Fchmodat(dirfd int, path string, mode int, flags int) (errno int) {
 	return;
 }
 
-func Fchown(fd int, uid int, gid int) (errno int) {
-	r0, r1, e1 := Syscall(SYS_FCHOWN, uintptr(fd), uintptr(uid), uintptr(gid));
-	errno = int(e1);
-	return;
-}
-
 func Fchownat(dirfd int, path string, uid int, gid int, flags int) (errno int) {
 	r0, r1, e1 := Syscall6(SYS_FCHOWNAT, uintptr(dirfd), uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(uid), uintptr(gid), uintptr(flags), 0);
 	errno = int(e1);
@@ -207,18 +182,6 @@ func Fdatasync(fd int) (errno int) {
 	return;
 }
 
-func Fstat(fd int, stat *Stat_t) (errno int) {
-	r0, r1, e1 := Syscall(SYS_FSTAT, uintptr(fd), uintptr(unsafe.Pointer(stat)), 0);
-	errno = int(e1);
-	return;
-}
-
-func Fstatfs(fd int, buf *Statfs_t) (errno int) {
-	r0, r1, e1 := Syscall(SYS_FSTATFS, uintptr(fd), uintptr(unsafe.Pointer(buf)), 0);
-	errno = int(e1);
-	return;
-}
-
 func Fsync(fd int) (errno int) {
 	r0, r1, e1 := Syscall(SYS_FSYNC, uintptr(fd), 0, 0);
 	errno = int(e1);
@@ -240,24 +203,6 @@ func Getdents(fd int, buf []byte) (n int, errno int) {
 	return;
 }
 
-func Getegid() (egid int) {
-	r0, r1, e1 := Syscall(SYS_GETEGID, 0, 0, 0);
-	egid = int(r0);
-	return;
-}
-
-func Geteuid() (euid int) {
-	r0, r1, e1 := Syscall(SYS_GETEUID, 0, 0, 0);
-	euid = int(r0);
-	return;
-}
-
-func Getgid() (gid int) {
-	r0, r1, e1 := Syscall(SYS_GETGID, 0, 0, 0);
-	gid = int(r0);
-	return;
-}
-
 func Getpgid(pid int) (pgid int, errno int) {
 	r0, r1, e1 := Syscall(SYS_GETPGID, uintptr(pid), 0, 0);
 	pgid = int(r0);
@@ -307,12 +252,6 @@ func Gettimeofday(tv *Timeval) (errno int) {
 	return;
 }
 
-func Getuid() (uid int) {
-	r0, r1, e1 := Syscall(SYS_GETUID, 0, 0, 0);
-	uid = int(r0);
-	return;
-}
-
 func Ioperm(from int, num int, on int) (errno int) {
 	r0, r1, e1 := Syscall(SYS_IOPERM, uintptr(from), uintptr(num), uintptr(on));
 	errno = int(e1);
@@ -340,24 +279,12 @@ func Klogctl(typ int, buf []byte) (n int, errno int) {
 	return;
 }
 
-func Lchown(path string, uid int, gid int) (errno int) {
-	r0, r1, e1 := Syscall(SYS_LCHOWN, uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(uid), uintptr(gid));
-	errno = int(e1);
-	return;
-}
-
 func Link(oldpath string, newpath string) (errno int) {
 	r0, r1, e1 := Syscall(SYS_LINK, uintptr(unsafe.Pointer(StringBytePtr(oldpath))), uintptr(unsafe.Pointer(StringBytePtr(newpath))), 0);
 	errno = int(e1);
 	return;
 }
 
-func Lstat(path string, stat *Stat_t) (errno int) {
-	r0, r1, e1 := Syscall(SYS_LSTAT, uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(unsafe.Pointer(stat)), 0);
-	errno = int(e1);
-	return;
-}
-
 func Mkdir(path string, mode int) (errno int) {
 	r0, r1, e1 := Syscall(SYS_MKDIR, uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(mode), 0);
 	errno = int(e1);
@@ -468,13 +395,6 @@ func Rmdir(path string) (errno int) {
 	return;
 }
 
-func Seek(fd int, offset int64, whence int) (off int64, errno int) {
-	r0, r1, e1 := Syscall6(SYS_LSEEK, uintptr(fd), uintptr(offset), uintptr(offset >> 32), uintptr(whence), 0, 0);
-	off = int64(r0);
-	errno = int(e1);
-	return;
-}
-
 func Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, errno int) {
 	r0, r1, e1 := Syscall6(SYS_SELECT, uintptr(nfd), uintptr(unsafe.Pointer(r)), uintptr(unsafe.Pointer(w)), uintptr(unsafe.Pointer(e)), uintptr(unsafe.Pointer(timeout)), 0);
 	n = int(r0);
@@ -490,24 +410,6 @@ func Setdomainname(p []byte) (errno int) {
 	return;
 }
 
-func Setfsgid(gid int) (errno int) {
-	r0, r1, e1 := Syscall(SYS_SETFSGID, uintptr(gid), 0, 0);
-	errno = int(e1);
-	return;
-}
-
-func Setfsuid(uid int) (errno int) {
-	r0, r1, e1 := Syscall(SYS_SETFSUID, uintptr(uid), 0, 0);
-	errno = int(e1);
-	return;
-}
-
-func Setgid(gid int) (errno int) {
-	r0, r1, e1 := Syscall(SYS_SETGID, uintptr(gid), 0, 0);
-	errno = int(e1);
-	return;
-}
-
 func Sethostname(p []byte) (errno int) {
 	var _p0 *byte;
 	if len(p) > 0 { _p0 = &p[0]; }
@@ -522,30 +424,6 @@ func Setpgid(pid int, pgid int) (errno int) {
 	return;
 }
 
-func Setregid(rgid int, egid int) (errno int) {
-	r0, r1, e1 := Syscall(SYS_SETREGID, uintptr(rgid), uintptr(egid), 0);
-	errno = int(e1);
-	return;
-}
-
-func Setresgid(rgid int, egid int, sgid int) (errno int) {
-	r0, r1, e1 := Syscall(SYS_SETRESGID, uintptr(rgid), uintptr(egid), uintptr(sgid));
-	errno = int(e1);
-	return;
-}
-
-func Setresuid(ruid int, euid int, suid int) (errno int) {
-	r0, r1, e1 := Syscall(SYS_SETRESUID, uintptr(ruid), uintptr(euid), uintptr(suid));
-	errno = int(e1);
-	return;
-}
-
-func Setreuid(ruid int, euid int) (errno int) {
-	r0, r1, e1 := Syscall(SYS_SETREUID, uintptr(ruid), uintptr(euid), 0);
-	errno = int(e1);
-	return;
-}
-
 func Setrlimit(resource int, rlim *Rlimit) (errno int) {
 	r0, r1, e1 := Syscall(SYS_SETRLIMIT, uintptr(resource), uintptr(unsafe.Pointer(rlim)), 0);
 	errno = int(e1);
@@ -572,20 +450,7 @@ func Setuid(uid int) (errno int) {
 
 func Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int64, errno int) {
 	r0, r1, e1 := Syscall6(SYS_SPLICE, uintptr(rfd), uintptr(unsafe.Pointer(roff)), uintptr(wfd), uintptr(unsafe.Pointer(woff)), uintptr(len), uintptr(flags));
-	n = int64(r0);
+	n = int64(int64(r1)<<32 | int64(r0));
-	errno = int(e1);
-	return;
-}
-
-func Stat(path string, stat *Stat_t) (errno int) {
-	r0, r1, e1 := Syscall(SYS_STAT, uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(unsafe.Pointer(stat)), 0);
-	errno = int(e1);
-	return;
-}
-
-func Statfs(path string, buf *Statfs_t) (errno int) {
-	r0, r1, e1 := Syscall(SYS_STATFS, uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(unsafe.Pointer(buf)), 0);
-	errno = int(e1);
 	return;
 }
 
@@ -614,8 +479,7 @@ func Sysinfo(info *Sysinfo_t) (errno int) {
 
 func Tee(rfd int, wfd int, len int, flags int) (n int64, errno int) {
 	r0, r1, e1 := Syscall6(SYS_TEE, uintptr(rfd), uintptr(wfd), uintptr(len), uintptr(flags), 0, 0);
-	n = int64(r0);
+	n = int64(int64(r1)<<32 | int64(r0));
-	errno = int(e1);
 	return;
 }
 
@@ -716,5 +580,132 @@ func write(fd int, p *byte, np int) (n int, errno int) {
 	return;
 }
 
+func Chown(path string, uid int, gid int) (errno int) {
+	r0, r1, e1 := Syscall(SYS_CHOWN32, uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(uid), uintptr(gid));
+	errno = int(e1);
+	return;
+}
+
+func Fchown(fd int, uid int, gid int) (errno int) {
+	r0, r1, e1 := Syscall(SYS_FCHOWN32, uintptr(fd), uintptr(uid), uintptr(gid));
+	errno = int(e1);
+	return;
+}
+
+func Fstat(fd int, stat *Stat_t) (errno int) {
+	r0, r1, e1 := Syscall(SYS_FSTAT64, uintptr(fd), uintptr(unsafe.Pointer(stat)), 0);
+	errno = int(e1);
+	return;
+}
+
+func Fstatfs(fd int, buf *Statfs_t) (errno int) {
+	r0, r1, e1 := Syscall(SYS_FSTATFS64, uintptr(fd), uintptr(unsafe.Pointer(buf)), 0);
+	errno = int(e1);
+	return;
+}
+
+func Getegid() (egid int) {
+	r0, r1, e1 := Syscall(SYS_GETEGID32, 0, 0, 0);
+	egid = int(r0);
+	return;
+}
+
+func Geteuid() (euid int) {
+	r0, r1, e1 := Syscall(SYS_GETEUID32, 0, 0, 0);
+	euid = int(r0);
+	return;
+}
+
+func Getgid() (gid int) {
+	r0, r1, e1 := Syscall(SYS_GETGID32, 0, 0, 0);
+	gid = int(r0);
+	return;
+}
+
+func Getuid() (uid int) {
+	r0, r1, e1 := Syscall(SYS_GETUID32, 0, 0, 0);
+	uid = int(r0);
+	return;
+}
+
+func Lchown(path string, uid int, gid int) (errno int) {
+	r0, r1, e1 := Syscall(SYS_LCHOWN32, uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(uid), uintptr(gid));
+	errno = int(e1);
+	return;
+}
+
+func Lstat(path string, stat *Stat_t) (errno int) {
+	r0, r1, e1 := Syscall(SYS_LSTAT64, uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(unsafe.Pointer(stat)), 0);
+	errno = int(e1);
+	return;
+}
+
+func Setfsgid(gid int) (errno int) {
+	r0, r1, e1 := Syscall(SYS_SETFSGID32, uintptr(gid), 0, 0);
+	errno = int(e1);
+	return;
+}
+
+func Setfsuid(uid int) (errno int) {
+	r0, r1, e1 := Syscall(SYS_SETFSUID32, uintptr(uid), 0, 0);
+	errno = int(e1);
+	return;
+}
+
+func Setgid(gid int) (errno int) {
+	r0, r1, e1 := Syscall(SYS_SETGID32, uintptr(gid), 0, 0);
+	errno = int(e1);
+	return;
+}
+
+func Setregid(rgid int, egid int) (errno int) {
+	r0, r1, e1 := Syscall(SYS_SETREGID32, uintptr(rgid), uintptr(egid), 0);
+	errno = int(e1);
+	return;
+}
+
+func Setresgid(rgid int, egid int, sgid int) (errno int) {
+	r0, r1, e1 := Syscall(SYS_SETRESGID32, uintptr(rgid), uintptr(egid), uintptr(sgid));
+	errno = int(e1);
+	return;
+}
+
+func Setresuid(ruid int, euid int, suid int) (errno int) {
+	r0, r1, e1 := Syscall(SYS_SETRESUID32, uintptr(ruid), uintptr(euid), uintptr(suid));
+	errno = int(e1);
+	return;
+}
+
+func Setreuid(ruid int, euid int) (errno int) {
+	r0, r1, e1 := Syscall(SYS_SETREUID32, uintptr(ruid), uintptr(euid), 0);
+	errno = int(e1);
+	return;
+}
+
+func Stat(path string, stat *Stat_t) (errno int) {
+	r0, r1, e1 := Syscall(SYS_STAT64, uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(unsafe.Pointer(stat)), 0);
+	errno = int(e1);
+	return;
+}
+
+func Statfs(path string, buf *Statfs_t) (errno int) {
+	r0, r1, e1 := Syscall(SYS_STATFS64, uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(unsafe.Pointer(buf)), 0);
+	errno = int(e1);
+	return;
+}
+
+func getgroups(n int, list *_Gid_t) (nn int, errno int) {
+	r0, r1, e1 := Syscall(SYS_GETGROUPS32, uintptr(n), uintptr(unsafe.Pointer(list)), 0);
+	nn = int(r0);
+	errno = int(e1);
+	return;
+}
+
+func setgroups(n int, list *_Gid_t) (errno int) {
+	r0, r1, e1 := Syscall(SYS_SETGROUPS32, uintptr(n), uintptr(unsafe.Pointer(list)), 0);
+	errno = int(e1);
+	return;
+}
+
 
 

src/pkg/syscall/zsyscall_linux_amd64.go

@@ -35,19 +35,6 @@ func Getcwd(buf []byte) (n int, errno int) {
 	return;
 }
 
-func getgroups(n int, list *_Gid_t) (nn int, errno int) {
-	r0, r1, e1 := Syscall(SYS_GETGROUPS, uintptr(n), uintptr(unsafe.Pointer(list)), 0);
-	nn = int(r0);
-	errno = int(e1);
-	return;
-}
-
-func setgroups(n int, list *_Gid_t) (errno int) {
-	r0, r1, e1 := Syscall(SYS_SETGROUPS, uintptr(n), uintptr(unsafe.Pointer(list)), 0);
-	errno = int(e1);
-	return;
-}
-
 func wait4(pid int, wstatus *_C_int, options int, rusage *Rusage) (wpid int, errno int) {
 	r0, r1, e1 := Syscall6(SYS_WAIT4, uintptr(pid), uintptr(unsafe.Pointer(wstatus)), uintptr(options), uintptr(unsafe.Pointer(rusage)), 0, 0);
 	wpid = int(r0);
@@ -86,12 +73,6 @@ func Chmod(path string, mode int) (errno int) {
 	return;
 }
 
-func Chown(path string, uid int, gid int) (errno int) {
-	r0, r1, e1 := Syscall(SYS_CHOWN, uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(uid), uintptr(gid));
-	errno = int(e1);
-	return;
-}
-
 func Chroot(path string) (errno int) {
 	r0, r1, e1 := Syscall(SYS_CHROOT, uintptr(unsafe.Pointer(StringBytePtr(path))), 0, 0);
 	errno = int(e1);
@@ -182,12 +163,6 @@ func Fchmodat(dirfd int, path string, mode int, flags int) (errno int) {
 	return;
 }
 
-func Fchown(fd int, uid int, gid int) (errno int) {
-	r0, r1, e1 := Syscall(SYS_FCHOWN, uintptr(fd), uintptr(uid), uintptr(gid));
-	errno = int(e1);
-	return;
-}
-
 func Fchownat(dirfd int, path string, uid int, gid int, flags int) (errno int) {
 	r0, r1, e1 := Syscall6(SYS_FCHOWNAT, uintptr(dirfd), uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(uid), uintptr(gid), uintptr(flags), 0);
 	errno = int(e1);
@@ -207,18 +182,6 @@ func Fdatasync(fd int) (errno int) {
 	return;
 }
 
-func Fstat(fd int, stat *Stat_t) (errno int) {
-	r0, r1, e1 := Syscall(SYS_FSTAT, uintptr(fd), uintptr(unsafe.Pointer(stat)), 0);
-	errno = int(e1);
-	return;
-}
-
-func Fstatfs(fd int, buf *Statfs_t) (errno int) {
-	r0, r1, e1 := Syscall(SYS_FSTATFS, uintptr(fd), uintptr(unsafe.Pointer(buf)), 0);
-	errno = int(e1);
-	return;
-}
-
 func Fsync(fd int) (errno int) {
 	r0, r1, e1 := Syscall(SYS_FSYNC, uintptr(fd), 0, 0);
 	errno = int(e1);
@@ -240,24 +203,6 @@ func Getdents(fd int, buf []byte) (n int, errno int) {
 	return;
 }
 
-func Getegid() (egid int) {
-	r0, r1, e1 := Syscall(SYS_GETEGID, 0, 0, 0);
-	egid = int(r0);
-	return;
-}
-
-func Geteuid() (euid int) {
-	r0, r1, e1 := Syscall(SYS_GETEUID, 0, 0, 0);
-	euid = int(r0);
-	return;
-}
-
-func Getgid() (gid int) {
-	r0, r1, e1 := Syscall(SYS_GETGID, 0, 0, 0);
-	gid = int(r0);
-	return;
-}
-
 func Getpgid(pid int) (pgid int, errno int) {
 	r0, r1, e1 := Syscall(SYS_GETPGID, uintptr(pid), 0, 0);
 	pgid = int(r0);
@@ -307,12 +252,6 @@ func Gettimeofday(tv *Timeval) (errno int) {
 	return;
 }
 
-func Getuid() (uid int) {
-	r0, r1, e1 := Syscall(SYS_GETUID, 0, 0, 0);
-	uid = int(r0);
-	return;
-}
-
 func Ioperm(from int, num int, on int) (errno int) {
 	r0, r1, e1 := Syscall(SYS_IOPERM, uintptr(from), uintptr(num), uintptr(on));
 	errno = int(e1);
@@ -340,24 +279,12 @@ func Klogctl(typ int, buf []byte) (n int, errno int) {
 	return;
 }
 
-func Lchown(path string, uid int, gid int) (errno int) {
-	r0, r1, e1 := Syscall(SYS_LCHOWN, uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(uid), uintptr(gid));
-	errno = int(e1);
-	return;
-}
-
 func Link(oldpath string, newpath string) (errno int) {
 	r0, r1, e1 := Syscall(SYS_LINK, uintptr(unsafe.Pointer(StringBytePtr(oldpath))), uintptr(unsafe.Pointer(StringBytePtr(newpath))), 0);
 	errno = int(e1);
 	return;
 }
 
-func Lstat(path string, stat *Stat_t) (errno int) {
-	r0, r1, e1 := Syscall(SYS_LSTAT, uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(unsafe.Pointer(stat)), 0);
-	errno = int(e1);
-	return;
-}
-
 func Mkdir(path string, mode int) (errno int) {
 	r0, r1, e1 := Syscall(SYS_MKDIR, uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(mode), 0);
 	errno = int(e1);
@@ -468,13 +395,6 @@ func Rmdir(path string) (errno int) {
 	return;
 }
 
-func Seek(fd int, offset int64, whence int) (off int64, errno int) {
-	r0, r1, e1 := Syscall(SYS_LSEEK, uintptr(fd), uintptr(offset), uintptr(whence));
-	off = int64(r0);
-	errno = int(e1);
-	return;
-}
-
 func Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, errno int) {
 	r0, r1, e1 := Syscall6(SYS_SELECT, uintptr(nfd), uintptr(unsafe.Pointer(r)), uintptr(unsafe.Pointer(w)), uintptr(unsafe.Pointer(e)), uintptr(unsafe.Pointer(timeout)), 0);
 	n = int(r0);
@@ -490,24 +410,6 @@ func Setdomainname(p []byte) (errno int) {
 	return;
 }
 
-func Setfsgid(gid int) (errno int) {
-	r0, r1, e1 := Syscall(SYS_SETFSGID, uintptr(gid), 0, 0);
-	errno = int(e1);
-	return;
-}
-
-func Setfsuid(uid int) (errno int) {
-	r0, r1, e1 := Syscall(SYS_SETFSUID, uintptr(uid), 0, 0);
-	errno = int(e1);
-	return;
-}
-
-func Setgid(gid int) (errno int) {
-	r0, r1, e1 := Syscall(SYS_SETGID, uintptr(gid), 0, 0);
-	errno = int(e1);
-	return;
-}
-
 func Sethostname(p []byte) (errno int) {
 	var _p0 *byte;
 	if len(p) > 0 { _p0 = &p[0]; }
@@ -522,30 +424,6 @@ func Setpgid(pid int, pgid int) (errno int) {
 	return;
 }
 
-func Setregid(rgid int, egid int) (errno int) {
-	r0, r1, e1 := Syscall(SYS_SETREGID, uintptr(rgid), uintptr(egid), 0);
-	errno = int(e1);
-	return;
-}
-
-func Setresgid(rgid int, egid int, sgid int) (errno int) {
-	r0, r1, e1 := Syscall(SYS_SETRESGID, uintptr(rgid), uintptr(egid), uintptr(sgid));
-	errno = int(e1);
-	return;
-}
-
-func Setresuid(ruid int, euid int, suid int) (errno int) {
-	r0, r1, e1 := Syscall(SYS_SETRESUID, uintptr(ruid), uintptr(euid), uintptr(suid));
-	errno = int(e1);
-	return;
-}
-
-func Setreuid(ruid int, euid int) (errno int) {
-	r0, r1, e1 := Syscall(SYS_SETREUID, uintptr(ruid), uintptr(euid), 0);
-	errno = int(e1);
-	return;
-}
-
 func Setrlimit(resource int, rlim *Rlimit) (errno int) {
 	r0, r1, e1 := Syscall(SYS_SETRLIMIT, uintptr(resource), uintptr(unsafe.Pointer(rlim)), 0);
 	errno = int(e1);
@@ -577,18 +455,6 @@ func Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n i
 	return;
 }
 
-func Stat(path string, stat *Stat_t) (errno int) {
-	r0, r1, e1 := Syscall(SYS_STAT, uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(unsafe.Pointer(stat)), 0);
-	errno = int(e1);
-	return;
-}
-
-func Statfs(path string, buf *Statfs_t) (errno int) {
-	r0, r1, e1 := Syscall(SYS_STATFS, uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(unsafe.Pointer(buf)), 0);
-	errno = int(e1);
-	return;
-}
-
 func Symlink(oldpath string, newpath string) (errno int) {
 	r0, r1, e1 := Syscall(SYS_SYMLINK, uintptr(unsafe.Pointer(StringBytePtr(oldpath))), uintptr(unsafe.Pointer(StringBytePtr(newpath))), 0);
 	errno = int(e1);
@@ -716,6 +582,139 @@ func write(fd int, p *byte, np int) (n int, errno int) {
 	return;
 }
 
+func Chown(path string, uid int, gid int) (errno int) {
+	r0, r1, e1 := Syscall(SYS_CHOWN, uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(uid), uintptr(gid));
+	errno = int(e1);
+	return;
+}
+
+func Fchown(fd int, uid int, gid int) (errno int) {
+	r0, r1, e1 := Syscall(SYS_FCHOWN, uintptr(fd), uintptr(uid), uintptr(gid));
+	errno = int(e1);
+	return;
+}
+
+func Fstat(fd int, stat *Stat_t) (errno int) {
+	r0, r1, e1 := Syscall(SYS_FSTAT, uintptr(fd), uintptr(unsafe.Pointer(stat)), 0);
+	errno = int(e1);
+	return;
+}
+
+func Fstatfs(fd int, buf *Statfs_t) (errno int) {
+	r0, r1, e1 := Syscall(SYS_FSTATFS, uintptr(fd), uintptr(unsafe.Pointer(buf)), 0);
+	errno = int(e1);
+	return;
+}
+
+func Getegid() (egid int) {
+	r0, r1, e1 := Syscall(SYS_GETEGID, 0, 0, 0);
+	egid = int(r0);
+	return;
+}
+
+func Geteuid() (euid int) {
+	r0, r1, e1 := Syscall(SYS_GETEUID, 0, 0, 0);
+	euid = int(r0);
+	return;
+}
+
+func Getgid() (gid int) {
+	r0, r1, e1 := Syscall(SYS_GETGID, 0, 0, 0);
+	gid = int(r0);
+	return;
+}
+
+func Getuid() (uid int) {
+	r0, r1, e1 := Syscall(SYS_GETUID, 0, 0, 0);
+	uid = int(r0);
+	return;
+}
+
+func Lchown(path string, uid int, gid int) (errno int) {
+	r0, r1, e1 := Syscall(SYS_LCHOWN, uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(uid), uintptr(gid));
+	errno = int(e1);
+	return;
+}
+
+func Listen(s int, n int) (errno int) {
+	r0, r1, e1 := Syscall(SYS_LISTEN, uintptr(s), uintptr(n), 0);
+	errno = int(e1);
+	return;
+}
+
+func Lstat(path string, stat *Stat_t) (errno int) {
+	r0, r1, e1 := Syscall(SYS_LSTAT, uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(unsafe.Pointer(stat)), 0);
+	errno = int(e1);
+	return;
+}
+
+func Seek(fd int, offset int64, whence int) (off int64, errno int) {
+	r0, r1, e1 := Syscall(SYS_LSEEK, uintptr(fd), uintptr(offset), uintptr(whence));
+	off = int64(r0);
+	errno = int(e1);
+	return;
+}
+
+func Setfsgid(gid int) (errno int) {
+	r0, r1, e1 := Syscall(SYS_SETFSGID, uintptr(gid), 0, 0);
+	errno = int(e1);
+	return;
+}
+
+func Setfsuid(uid int) (errno int) {
+	r0, r1, e1 := Syscall(SYS_SETFSUID, uintptr(uid), 0, 0);
+	errno = int(e1);
+	return;
+}
+
+func Setgid(gid int) (errno int) {
+	r0, r1, e1 := Syscall(SYS_SETGID, uintptr(gid), 0, 0);
+	errno = int(e1);
+	return;
+}
+
+func Setregid(rgid int, egid int) (errno int) {
+	r0, r1, e1 := Syscall(SYS_SETREGID, uintptr(rgid), uintptr(egid), 0);
+	errno = int(e1);
+	return;
+}
+
+func Setresgid(rgid int, egid int, sgid int) (errno int) {
+	r0, r1, e1 := Syscall(SYS_SETRESGID, uintptr(rgid), uintptr(egid), uintptr(sgid));
+	errno = int(e1);
+	return;
+}
+
+func Setresuid(ruid int, euid int, suid int) (errno int) {
+	r0, r1, e1 := Syscall(SYS_SETRESUID, uintptr(ruid), uintptr(euid), uintptr(suid));
+	errno = int(e1);
+	return;
+}
+
+func Setreuid(ruid int, euid int) (errno int) {
+	r0, r1, e1 := Syscall(SYS_SETREUID, uintptr(ruid), uintptr(euid), 0);
+	errno = int(e1);
+	return;
+}
+
+func Shutdown(fd int, how int) (errno int) {
+	r0, r1, e1 := Syscall(SYS_SHUTDOWN, uintptr(fd), uintptr(how), 0);
+	errno = int(e1);
+	return;
+}
+
+func Stat(path string, stat *Stat_t) (errno int) {
+	r0, r1, e1 := Syscall(SYS_STAT, uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(unsafe.Pointer(stat)), 0);
+	errno = int(e1);
+	return;
+}
+
+func Statfs(path string, buf *Statfs_t) (errno int) {
+	r0, r1, e1 := Syscall(SYS_STATFS, uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(unsafe.Pointer(buf)), 0);
+	errno = int(e1);
+	return;
+}
+
 func accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, errno int) {
 	r0, r1, e1 := Syscall(SYS_ACCEPT, uintptr(s), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen)));
 	fd = int(r0);
@@ -735,9 +734,15 @@ func connect(s int, addr uintptr, addrlen _Socklen) (errno int) {
 	return;
 }
 
-func socket(domain int, typ int, proto int) (fd int, errno int) {
+func getgroups(n int, list *_Gid_t) (nn int, errno int) {
-	r0, r1, e1 := Syscall(SYS_SOCKET, uintptr(domain), uintptr(typ), uintptr(proto));
+	r0, r1, e1 := Syscall(SYS_GETGROUPS, uintptr(n), uintptr(unsafe.Pointer(list)), 0);
-	fd = int(r0);
+	nn = int(r0);
+	errno = int(e1);
+	return;
+}
+
+func setgroups(n int, list *_Gid_t) (errno int) {
+	r0, r1, e1 := Syscall(SYS_SETGROUPS, uintptr(n), uintptr(unsafe.Pointer(list)), 0);
 	errno = int(e1);
 	return;
 }
@@ -748,14 +753,9 @@ func setsockopt(s int, level int, name int, val uintptr, vallen int) (errno int)
 	return;
 }
 
-func Listen(s int, n int) (errno int) {
+func socket(domain int, typ int, proto int) (fd int, errno int) {
-	r0, r1, e1 := Syscall(SYS_LISTEN, uintptr(s), uintptr(n), 0);
+	r0, r1, e1 := Syscall(SYS_SOCKET, uintptr(domain), uintptr(typ), uintptr(proto));
-	errno = int(e1);
+	fd = int(r0);
-	return;
-}
-
-func Shutdown(fd int, how int) (errno int) {
-	r0, r1, e1 := Syscall(SYS_SHUTDOWN, uintptr(fd), uintptr(how), 0);
 	errno = int(e1);
 	return;
 }

src/pkg/syscall/ztypes_linux_386.go

@@ -163,8 +163,8 @@ type Rusage struct {
 }
 
 type Rlimit struct {
-	Cur uint32;
+	Cur uint64;
-	Max uint32;
+	Max uint64;
 }
 
 type _C_int int32
@@ -175,7 +175,7 @@ type Stat_t struct {
 	Dev uint64;
 	__pad1 uint16;
 	Pad0 [2]byte;
-	Ino uint32;
+	__st_ino uint32;
 	Mode uint32;
 	Nlink uint32;
 	Uid uint32;
@@ -183,24 +183,23 @@ type Stat_t struct {
 	Rdev uint64;
 	__pad2 uint16;
 	Pad1 [2]byte;
-	Size int32;
+	Size int64;
 	Blksize int32;
-	Blocks int32;
+	Blocks int64;
 	Atim Timespec;
 	Mtim Timespec;
 	Ctim Timespec;
-	__unused4 uint32;
+	Ino uint64;
-	__unused5 uint32;
 }
 
 type Statfs_t struct {
 	Type int32;
 	Bsize int32;
-	Blocks uint32;
+	Blocks uint64;
-	Bfree uint32;
+	Bfree uint64;
-	Bavail uint32;
+	Bavail uint64;
-	Files uint32;
+	Files uint64;
-	Ffree uint32;
+	Ffree uint64;
 	Fsid [8]byte /* __fsid_t */;
 	Namelen int32;
 	Frsize int32;
@@ -208,8 +207,8 @@ type Statfs_t struct {
 }
 
 type Dirent struct {
-	Ino uint32;
+	Ino uint64;
-	Off int32;
+	Off int64;
 	Reclen uint16;
 	Type uint8;
 	Name [256]int8;
@@ -254,7 +253,7 @@ type Linger struct {
 }
 
 type FdSet struct {
-	__fds_bits [32]int32;
+	Bits [32]int32;
 }
 
 type Sysinfo_t struct {
@@ -280,7 +279,7 @@ type Utsname struct {
 	Release [65]int8;
 	Version [65]int8;
 	Machine [65]int8;
-	__domainname [65]int8;
+	Domainname [65]int8;
 }
 
 type Ustat_t struct {