runtime, runtime/internal/sys: fix build for linux/{mips64,mips64le}

Change-Id: I37bac9680efdfd797ca5dca90bd9a9e1001bfb68
Reviewed-on: https://go-review.googlesource.com/16874Reviewed-by: Michael Matloob <matloob@golang.org>

src/runtime/internal/sys/zgoarch_mips64.go

+// generated by gengoos.go using 'go generate'
+
+package sys
+
+const TheGoarch = `mips64`
+
+const Goarch386 = 0
+const GoarchAmd64 = 0
+const GoarchAmd64p32 = 0
+const GoarchArm = 0
+const GoarchArmbe = 0
+const GoarchArm64 = 0
+const GoarchArm64be = 0
+const GoarchPpc64 = 0
+const GoarchPpc64le = 0
+const GoarchMips = 0
+const GoarchMipsle = 0
+const GoarchMips64 = 1
+const GoarchMips64le = 0
+const GoarchMips64p32 = 0
+const GoarchMips64p32le = 0
+const GoarchPpc = 0
+const GoarchS390 = 0
+const GoarchS390x = 0
+const GoarchSparc = 0
+const GoarchSparc64 = 0

src/runtime/internal/sys/zgoarch_mips64le.go

+// generated by gengoos.go using 'go generate'
+
+package sys
+
+const TheGoarch = `mips64le`
+
+const Goarch386 = 0
+const GoarchAmd64 = 0
+const GoarchAmd64p32 = 0
+const GoarchArm = 0
+const GoarchArmbe = 0
+const GoarchArm64 = 0
+const GoarchArm64be = 0
+const GoarchPpc64 = 0
+const GoarchPpc64le = 0
+const GoarchMips = 0
+const GoarchMipsle = 0
+const GoarchMips64 = 0
+const GoarchMips64le = 1
+const GoarchMips64p32 = 0
+const GoarchMips64p32le = 0
+const GoarchPpc = 0
+const GoarchS390 = 0
+const GoarchS390x = 0
+const GoarchSparc = 0
+const GoarchSparc64 = 0

src/runtime/signal_linux_mips64x.go

@@ -7,7 +7,10 @@
 
 package runtime
 
-import "unsafe"
+import (
+	"runtime/internal/sys"
+	"unsafe"
+)
 
 type sigctxt struct {
 	info *siginfo
@@ -63,5 +66,5 @@ func (c *sigctxt) set_link(x uint64) { c.regs().sc_regs[31] = x }
 
 func (c *sigctxt) set_sigcode(x uint32) { c.info.si_code = int32(x) }
 func (c *sigctxt) set_sigaddr(x uint64) {
-	*(*uintptr)(add(unsafe.Pointer(c.info), 2*ptrSize)) = uintptr(x)
+	*(*uintptr)(add(unsafe.Pointer(c.info), 2*sys.PtrSize)) = uintptr(x)
 }

src/runtime/signal_mips64x.go

@@ -7,7 +7,10 @@
 
 package runtime
 
-import "unsafe"
+import (
+	"runtime/internal/sys"
+	"unsafe"
+)
 
 func dumpregs(c *sigctxt) {
 	print("r0   ", hex(c.r0()), "\t")
@@ -80,7 +83,7 @@ func sighandler(sig uint32, info *siginfo, ctxt unsafe.Pointer, gp *g) {
 		// functions are correctly handled. This smashes
 		// the stack frame but we're not going back there
 		// anyway.
-		sp := c.sp() - ptrSize
+		sp := c.sp() - sys.PtrSize
 		c.set_sp(sp)
 		*(*uint64)(unsafe.Pointer(uintptr(sp))) = c.link()