runtime: fix build for NetBSD/ARM

R=golang-dev, jsing
CC=golang-dev
https://golang.org/cl/7597046

src/pkg/runtime/defs_netbsd.go

@@ -9,6 +9,7 @@ Input to cgo.
 
 GOARCH=amd64 go tool cgo -cdefs defs_netbsd.go defs_netbsd_amd64.go >defs_netbsd_amd64.h
 GOARCH=386 go tool cgo -cdefs defs_netbsd.go defs_netbsd_386.go >defs_netbsd_386.h
+GOARCH=arm go tool cgo -cdefs defs_netbsd.go defs_netbsd_arm.go >defs_netbsd_arm.h
 */
 
 // +godefs map __fpregset_t [644]byte

src/pkg/runtime/defs_netbsd_386.go

@@ -7,7 +7,6 @@
 /*
 Input to cgo.
 
-GOARCH=amd64 go tool cgo -cdefs defs_netbsd.go defs_netbsd_amd64.go >defs_netbsd_amd64.h
 GOARCH=386 go tool cgo -cdefs defs_netbsd.go defs_netbsd_386.go >defs_netbsd_386.h
 */
 

src/pkg/runtime/defs_netbsd_amd64.go

@@ -8,7 +8,6 @@
 Input to cgo.
 
 GOARCH=amd64 go tool cgo -cdefs defs_netbsd.go defs_netbsd_amd64.go >defs_netbsd_amd64.h
-GOARCH=386 go tool cgo -cdefs defs_netbsd.go defs_netbsd_386.go >defs_netbsd_386.h
 */
 
 package runtime

src/pkg/runtime/defs_netbsd_arm.go

+// Copyright 2013 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.
+
+// +build ignore
+
+/*
+Input to cgo.
+
+GOARCH=arm go tool cgo -cdefs defs_netbsd.go defs_netbsd_arm.go >defs_netbsd_arm.h
+*/
+
+package runtime
+
+/*
+#include <sys/types.h>
+#include <machine/mcontext.h>
+*/
+import "C"
+
+const (
+	REG_R0   = C._REG_R0
+	REG_R1   = C._REG_R1
+	REG_R2   = C._REG_R2
+	REG_R3   = C._REG_R3
+	REG_R4   = C._REG_R4
+	REG_R5   = C._REG_R5
+	REG_R6   = C._REG_R6
+	REG_R7   = C._REG_R7
+	REG_R8   = C._REG_R8
+	REG_R9   = C._REG_R9
+	REG_R10  = C._REG_R10
+	REG_R11  = C._REG_R11
+	REG_R12  = C._REG_R12
+	REG_R13  = C._REG_R13
+	REG_R14  = C._REG_R14
+	REG_R15  = C._REG_R15
+	REG_CPSR = C._REG_CPSR
+)

src/pkg/runtime/defs_netbsd_arm.h

 // Created by cgo -cdefs - DO NOT EDIT
-// cgo -cdefs defs_netbsd.go
+// cgo -cdefs defs_netbsd.go defs_netbsd_arm.go
 
 
 enum {
@@ -138,3 +138,27 @@ struct UcontextT {
 };
 
 #pragma pack off
+// Created by cgo -cdefs - DO NOT EDIT
+// cgo -cdefs defs_netbsd.go defs_netbsd_arm.go
+
+
+enum {
+	REG_R0		= 0x0,
+	REG_R1		= 0x1,
+	REG_R2		= 0x2,
+	REG_R3		= 0x3,
+	REG_R4		= 0x4,
+	REG_R5		= 0x5,
+	REG_R6		= 0x6,
+	REG_R7		= 0x7,
+	REG_R8		= 0x8,
+	REG_R9		= 0x9,
+	REG_R10		= 0xa,
+	REG_R11		= 0xb,
+	REG_R12		= 0xc,
+	REG_R13		= 0xd,
+	REG_R14		= 0xe,
+	REG_R15		= 0xf,
+	REG_CPSR	= 0x10,
+};
+

src/pkg/runtime/os_netbsd_arm.c

@@ -5,15 +5,16 @@
 #include "runtime.h"
 #include "defs_GOOS_GOARCH.h"
 #include "os_GOOS.h"
+#include "signal_GOOS_GOARCH.h"
 
 void
 runtime·lwp_mcontext_init(McontextT *mc, void *stack, M *mp, G *gp, void (*fn)(void))
 {
-	mc->r15 = (uint32)runtime·lwp_tramp;
-	mc->r13 = (uint32)stack;
-	mc->r0 = (uint32)mp;
-	mc->r1 = (uint32)gp;
-	mc->r2 = (uint32)fn;
+	mc->__gregs[REG_R15] = (uint32)runtime·lwp_tramp;
+	mc->__gregs[REG_R13] = (uint32)stack;
+	mc->__gregs[REG_R0] = (uint32)mp;
+	mc->__gregs[REG_R1] = (uint32)gp;
+	mc->__gregs[REG_R2] = (uint32)fn;
 }
 
 void

src/pkg/runtime/signal_netbsd_arm.h

@@ -4,24 +4,27 @@
 
 #define SIG_REGS(ctxt) (((UcontextT*)(ctxt))->uc_mcontext)
 
-#define SIG_R0(info, ctxt) (SIG_REGS(ctxt).__gregs[0])
-#define SIG_R1(info, ctxt) (SIG_REGS(ctxt).__gregs[1])
-#define SIG_R2(info, ctxt) (SIG_REGS(ctxt).__gregs[2])
-#define SIG_R3(info, ctxt) (SIG_REGS(ctxt).__gregs[3])
-#define SIG_R4(info, ctxt) (SIG_REGS(ctxt).__gregs[4])
-#define SIG_R5(info, ctxt) (SIG_REGS(ctxt).__gregs[5])
-#define SIG_R6(info, ctxt) (SIG_REGS(ctxt).__gregs[6])
-#define SIG_R7(info, ctxt) (SIG_REGS(ctxt).__gregs[7])
-#define SIG_R8(info, ctxt) (SIG_REGS(ctxt).__gregs[8])
-#define SIG_R9(info, ctxt) (SIG_REGS(ctxt).__gregs[9])
-#define SIG_R10(info, ctxt) (SIG_REGS(ctxt).__gregs[10])
-#define SIG_FP(info, ctxt) (SIG_REGS(ctxt).__gregs[11])
-#define SIG_IP(info, ctxt) (SIG_REGS(ctxt).__gregs[12])
-#define SIG_SP(info, ctxt) (SIG_REGS(ctxt).__gregs[13])
-#define SIG_LR(info, ctxt) (SIG_REGS(ctxt).__gregs[14])
-#define SIG_PC(info, ctxt) (SIG_REGS(ctxt).__gregs[15])
-#define SIG_CPSR(info, ctxt) (SIG_REGS(ctxt).__gregs[16])
+#define SIG_R0(info, ctxt) (SIG_REGS(ctxt).__gregs[REG_R0])
+#define SIG_R1(info, ctxt) (SIG_REGS(ctxt).__gregs[REG_R1])
+#define SIG_R2(info, ctxt) (SIG_REGS(ctxt).__gregs[REG_R2])
+#define SIG_R3(info, ctxt) (SIG_REGS(ctxt).__gregs[REG_R3])
+#define SIG_R4(info, ctxt) (SIG_REGS(ctxt).__gregs[REG_R4])
+#define SIG_R5(info, ctxt) (SIG_REGS(ctxt).__gregs[REG_R5])
+#define SIG_R6(info, ctxt) (SIG_REGS(ctxt).__gregs[REG_R6])
+#define SIG_R7(info, ctxt) (SIG_REGS(ctxt).__gregs[REG_R7])
+#define SIG_R8(info, ctxt) (SIG_REGS(ctxt).__gregs[REG_R8])
+#define SIG_R9(info, ctxt) (SIG_REGS(ctxt).__gregs[REG_R9])
+#define SIG_R10(info, ctxt) (SIG_REGS(ctxt).__gregs[REG_R10])
+#define SIG_FP(info, ctxt) (SIG_REGS(ctxt).__gregs[REG_R11])
+#define SIG_IP(info, ctxt) (SIG_REGS(ctxt).__gregs[REG_R12])
+#define SIG_SP(info, ctxt) (SIG_REGS(ctxt).__gregs[REG_R13])
+#define SIG_LR(info, ctxt) (SIG_REGS(ctxt).__gregs[REG_R14])
+#define SIG_PC(info, ctxt) (SIG_REGS(ctxt).__gregs[REG_R15])
+#define SIG_CPSR(info, ctxt) (SIG_REGS(ctxt).__gregs[REG_CPSR])
 #define SIG_FAULT(info, ctxt) (*(uintptr*)&(info)->_reason[0])
 #define SIG_TRAP(info, ctxt) (0)
 #define SIG_ERROR(info, ctxt) (0)
 #define SIG_OLDMASK(info, ctxt) (0)
+
+#define SIG_CODE0(info, ctxt) ((info)->_code)
+#define SIG_CODE1(info, ctxt) (*(uintptr*)&(info)->_reason[0])

src/pkg/runtime/sys_netbsd_arm.s

@@ -21,6 +21,25 @@ TEXT runtime·exit1(SB),7,$-4
 	MOVW $1, R9	// crash
 	MOVW R9, (R9)
 	RET
+	
+TEXT runtime·open(SB),7,$-8
+	MOVW 0(FP), R0
+	MOVW 4(FP), R1
+	MOVW 8(FP), R2
+	SWI $0xa00005
+	RET
+
+TEXT runtime·close(SB),7,$-8
+	MOVW 0(FP), R0
+	SWI $0xa00006
+	RET
+
+TEXT runtime·read(SB),7,$-8
+	MOVW 0(FP), R0
+	MOVW 4(FP), R1
+	MOVW 8(FP), R2
+	SWI $0xa00003
+	RET
 
 TEXT runtime·write(SB),7,$-4
 	MOVW	0(FP), R0	// arg 1 - fd