libgo/syscalls: Finish Solaris code.

Mostly from Rainer Orth.

From-SVN: r168814

libgo/syscalls/syscall_solaris_amd64.go

@@ -13,7 +13,7 @@ import "unsafe"
 
 // 64-bit ptrace(3C) doesn't exist
 func libc_ptrace(request int, pid Pid_t, addr uintptr, data *byte) int {
-	errno := ENOSYS
+	SetErrno(ENOSYS)
 	return -1
 }
 

libgo/syscalls/syscall_solaris_sparc.go

-// syscall_solaris_sparc.go -- Solaris SPARC specific support
+// syscall_solaris_sparc.go -- Solaris/SPARC specific support
 
 // Copyright 2011 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
 package syscall
+
+import "unsafe"
+
+// FIXME: ptrace(3C) has this, but exec.go expects the next.
+//func libc_ptrace(request int, pid Pid_t, addr int, data int) int __asm__ ("ptrace")
+
+func libc_ptrace(request int, pid Pid_t, addr uintptr, data *byte) int __asm__ ("ptrace")
+
+var dummy *byte
+const sizeofPtr uintptr = uintptr(unsafe.Sizeof(dummy))

libgo/syscalls/syscall_solaris_sparc64.go

-// syscall_solaris_v9.go -- Solaris sparc9v specific support
+// syscall_solaris_sparc64.go -- Solaris/SPARCV9 specific support
 
 // Copyright 2011 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
 package syscall
+
+import "unsafe"
+
+// FIXME: ptrace(3C) has this, but exec.go expects the next.
+//func libc_ptrace(request int, pid Pid_t, addr int, data int) int __asm__ ("ptrace")
+
+// 64-bit ptrace(3C) doesn't exist
+func libc_ptrace(request int, pid Pid_t, addr uintptr, data *byte) int {
+	SetErrno(ENOSYS)
+	return -1
+}
+
+var dummy *byte
+const sizeofPtr uintptr = uintptr(unsafe.Sizeof(dummy))