all: merge NaCl branch (part 1)

src/pkg/syscall/zsyscall_nacl_amd64p32.go

+// mksyscall.pl -nacl syscall_nacl.go syscall_nacl_amd64p32.go
+// MACHINE GENERATED BY THE COMMAND ABOVE; DO NOT EDIT
+
+package syscall
+
+import "unsafe"
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func naclClose(fd int) (err error) {
+        _, _, e1 := Syscall(sys_close, uintptr(fd), 0, 0)
+        if e1 != 0 {
+                err = e1
+        }
+        return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Exit(code int) (err error) {
+        _, _, e1 := Syscall(sys_exit, uintptr(code), 0, 0)
+        if e1 != 0 {
+                err = e1
+        }
+        return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func naclFstat(fd int, stat *Stat_t) (err error) {
+        _, _, e1 := Syscall(sys_fstat, uintptr(fd), uintptr(unsafe.Pointer(stat)), 0)
+        if e1 != 0 {
+                err = e1
+        }
+        return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func naclRead(fd int, b []byte) (n int, err error) {
+        var _p0 unsafe.Pointer
+        if len(b) > 0 {
+                _p0 = unsafe.Pointer(&b[0])
+        } else {
+                _p0 = unsafe.Pointer(&_zero)
+        }
+        r0, _, e1 := Syscall(sys_read, uintptr(fd), uintptr(_p0), uintptr(len(b)))
+        n = int(r0)
+        if e1 != 0 {
+                err = e1
+        }
+        return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func naclSeek(fd int, off *int64, whence int) (err error) {
+        _, _, e1 := Syscall(sys_lseek, uintptr(fd), uintptr(unsafe.Pointer(off)), uintptr(whence))
+        if e1 != 0 {
+                err = e1
+        }
+        return
+}