- moved 3 functions from syscall_linux to _386 and _amd64 (arm lacks them)

- 64 bit OMINUS
- added bunch of missing arm syscalls

R=rsc
APPROVED=rsc
DELTA=203  (189 added, 3 deleted, 11 changed)
OCL=35412
CL=35414

src/cmd/5g/cgen64.c

@@ -29,14 +29,31 @@ cgen64(Node *n, Node *res)
 	default:
 		fatal("cgen64 %O", n->op);
 
-//	case OMINUS:
-//		cgen(n->left, res);
-//		split64(res, &lo1, &hi1);
-//		gins(ANEGL, N, &lo1);
-//		gins(AADCL, ncon(0), &hi1);
-//		gins(ANEGL, N, &hi1);
-//		splitclean();
-//		return;
+	case OMINUS:
+		split64(n->left, &lo1, &hi1);
+		split64(res, &lo2, &hi2);
+
+		regalloc(&t1, lo1.type, N);
+		regalloc(&al, lo1.type, N);
+		regalloc(&ah, hi1.type, N);
+
+		gins(AMOVW, &lo1, &al);
+		gins(AMOVW, &hi1, &ah);
+
+		gmove(ncon(0), &t1);
+
+		gins(ASUB, &t1, &al);
+		gins(ASBC, &t1, &ah);
+
+		gins(AMOVW, &al, &lo2);
+		gins(AMOVW, &ah, &hi2);
+
+		regfree(&t1);
+		regfree(&al);
+		regfree(&ah);
+		splitclean();
+		splitclean();
+		return;
 
 //	case OCOM:
 //		cgen(n->left, res);

src/cmd/5g/gg.h

@@ -141,6 +141,7 @@ void	afunclit(Addr*);
 void	datagostring(Strlit*, Addr*);
 void	split64(Node*, Node*, Node*);
 void	splitclean(void);
+Node*	ncon(uint32 i);
 
 /*
  * obj.c

src/make-arm.bash

@@ -21,7 +21,7 @@ chmod +x $GOBIN/quietgcc
 
 # TODO(kaib): converge with normal build
 #for i in lib9 libbio libmach libregexp cmd pkg cmd/ebnflint cmd/godoc cmd/gofmt
-for i in lib9 libbio libmach libregexp cmd pkg/runtime pkg/sync pkg/once pkg/syscall
+for i in lib9 libbio libmach libregexp cmd pkg/runtime pkg/sync pkg/once pkg/syscall pkg/os pkg/unicode pkg/utf8 pkg/bytes pkg/strings pkg/io
 #for i in lib9 libbio libmach libregexp cmd pkg/runtime pkg/sync pkg/once pkg/malloc pkg/sort pkg/unicode
 # pkg/hash
 # pkg/math

src/pkg/syscall/syscall_linux.go

@@ -573,8 +573,6 @@ func PtraceDetach(pid int) (errno int) {
 //sys	Getrusage(who int, rusage *Rusage) (errno int)
 //sys	Gettid() (tid int)
 //sys	Gettimeofday(tv *Timeval) (errno 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	Link(oldpath string, newpath string) (errno int)
@@ -604,7 +602,6 @@ func PtraceDetach(pid int) (errno int) {
 //sys	Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int64, errno int)
 //sys	Symlink(oldpath string, newpath string) (errno int)
 //sys	Sync()
-//sys	SyncFileRange(fd int, off int64, n int64, flags int) (errno int)
 //sys	Sysinfo(info *Sysinfo_t) (errno int)
 //sys	Tee(rfd int, wfd int, len int, flags int) (n int64, errno int)
 //sys	Tgkill(tgid int, tid int, sig int) (errno int)

src/pkg/syscall/syscall_linux_386.go

@@ -41,6 +41,8 @@ func NsecToTimeval(nsec int64) (tv Timeval) {
 //sys	Geteuid() (euid int) = SYS_GETEUID32
 //sys	Getgid() (gid int) = SYS_GETGID32
 //sys	Getuid() (uid int) = SYS_GETUID32
+//sys	Ioperm(from int, num int, on int) (errno int)
+//sys	Iopl(level int) (errno int)
 //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
@@ -52,6 +54,7 @@ func NsecToTimeval(nsec int64) (tv Timeval) {
 //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	SyncFileRange(fd int, off int64, n int64, flags int) (errno int)
 //sys	getgroups(n int, list *_Gid_t) (nn int, errno int) = SYS_GETGROUPS32
 //sys	setgroups(n int, list *_Gid_t) (errno int) = SYS_SETGROUPS32
 

src/pkg/syscall/syscall_linux_amd64.go

@@ -12,6 +12,8 @@ package syscall
 //sys	Geteuid() (euid int)
 //sys	Getgid() (gid int)
 //sys	Getuid() (uid int)
+//sys	Ioperm(from int, num int, on int) (errno int)
+//sys	Iopl(level int) (errno 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)
@@ -27,6 +29,7 @@ package syscall
 //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	SyncFileRange(fd int, off int64, n int64, flags int) (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)

src/pkg/syscall/syscall_linux_arm.go

@@ -4,6 +4,14 @@
 
 package syscall
 
+func Getpagesize() int {
+	return 4096
+}
+
+func TimespecToNsec(ts Timespec) int64 {
+	return int64(ts.Sec)*1e9 + int64(ts.Nsec);
+}
+
 func NsecToTimespec(nsec int64) (ts Timespec) {
 	ts.Sec = int32(nsec / 1e9);
 	ts.Nsec = int32(nsec % 1e9);
@@ -27,5 +35,29 @@ func NsecToTimeval(nsec int64) (tv Timeval) {
 //sys	getpeername(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (errno int)
 //sys	getsockname(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (errno int)
 
+//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	Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, errno int) = SYS__NEWSELECT
+//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)
+
+
 

src/pkg/syscall/zsyscall_linux_arm.go

@@ -615,6 +615,78 @@ func getsockname(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (errno int) {
 	return;
 }
 
+func Chown(path string, uid int, gid int) (errno int) {
+	_, _, 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) {
+	_, _, e1 := Syscall(SYS_FCHOWN, uintptr(fd), uintptr(uid), uintptr(gid));
+	errno = int(e1);
+	return;
+}
+
+func Fstat(fd int, stat *Stat_t) (errno int) {
+	_, _, e1 := Syscall(SYS_FSTAT, uintptr(fd), uintptr(unsafe.Pointer(stat)), 0);
+	errno = int(e1);
+	return;
+}
+
+func Fstatfs(fd int, buf *Statfs_t) (errno int) {
+	_, _, e1 := Syscall(SYS_FSTATFS, uintptr(fd), uintptr(unsafe.Pointer(buf)), 0);
+	errno = int(e1);
+	return;
+}
+
+func Getegid() (egid int) {
+	r0, _, _ := Syscall(SYS_GETEGID, 0, 0, 0);
+	egid = int(r0);
+	return;
+}
+
+func Geteuid() (euid int) {
+	r0, _, _ := Syscall(SYS_GETEUID, 0, 0, 0);
+	euid = int(r0);
+	return;
+}
+
+func Getgid() (gid int) {
+	r0, _, _ := Syscall(SYS_GETGID, 0, 0, 0);
+	gid = int(r0);
+	return;
+}
+
+func Getuid() (uid int) {
+	r0, _, _ := Syscall(SYS_GETUID, 0, 0, 0);
+	uid = int(r0);
+	return;
+}
+
+func Lchown(path string, uid int, gid int) (errno int) {
+	_, _, 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) {
+	_, _, e1 := Syscall(SYS_LISTEN, uintptr(s), uintptr(n), 0);
+	errno = int(e1);
+	return;
+}
+
+func Lstat(path string, stat *Stat_t) (errno int) {
+	_, _, 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, _ := Syscall6(SYS_LSEEK, uintptr(fd), uintptr(offset), uintptr(offset >> 32), uintptr(whence), 0, 0);
+	off = int64(int64(r1)<<32 | int64(r0));
+	return;
+}
+
 func Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, errno int) {
 	r0, _, e1 := Syscall6(SYS__NEWSELECT, uintptr(nfd), uintptr(unsafe.Pointer(r)), uintptr(unsafe.Pointer(w)), uintptr(unsafe.Pointer(e)), uintptr(unsafe.Pointer(timeout)), 0);
 	n = int(r0);
@@ -622,5 +694,65 @@ func Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err
 	return;
 }
 
+func Setfsgid(gid int) (errno int) {
+	_, _, e1 := Syscall(SYS_SETFSGID, uintptr(gid), 0, 0);
+	errno = int(e1);
+	return;
+}
+
+func Setfsuid(uid int) (errno int) {
+	_, _, e1 := Syscall(SYS_SETFSUID, uintptr(uid), 0, 0);
+	errno = int(e1);
+	return;
+}
+
+func Setgid(gid int) (errno int) {
+	_, _, e1 := Syscall(SYS_SETGID, uintptr(gid), 0, 0);
+	errno = int(e1);
+	return;
+}
+
+func Setregid(rgid int, egid int) (errno int) {
+	_, _, e1 := Syscall(SYS_SETREGID, uintptr(rgid), uintptr(egid), 0);
+	errno = int(e1);
+	return;
+}
+
+func Setresgid(rgid int, egid int, sgid int) (errno int) {
+	_, _, e1 := Syscall(SYS_SETRESGID, uintptr(rgid), uintptr(egid), uintptr(sgid));
+	errno = int(e1);
+	return;
+}
+
+func Setresuid(ruid int, euid int, suid int) (errno int) {
+	_, _, e1 := Syscall(SYS_SETRESUID, uintptr(ruid), uintptr(euid), uintptr(suid));
+	errno = int(e1);
+	return;
+}
+
+func Setreuid(ruid int, euid int) (errno int) {
+	_, _, e1 := Syscall(SYS_SETREUID, uintptr(ruid), uintptr(euid), 0);
+	errno = int(e1);
+	return;
+}
+
+func Shutdown(fd int, how int) (errno int) {
+	_, _, e1 := Syscall(SYS_SHUTDOWN, uintptr(fd), uintptr(how), 0);
+	errno = int(e1);
+	return;
+}
+
+func Stat(path string, stat *Stat_t) (errno int) {
+	_, _, 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) {
+	_, _, e1 := Syscall(SYS_STATFS, uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(unsafe.Pointer(buf)), 0);
+	errno = int(e1);
+	return;
+}
+
 
 

test/arm-pass.txt

@@ -202,6 +202,7 @@ gc1.go
 hashmap.go
 helloworld.go
 if.go
+import.go
 import1.go
 indirect.go
 indirect1.go