runtime: fix netbsd syscalls

Use correct system calls/syscall numbers for NetBSD.

R=golang-dev, for.go.yong, rsc
CC=golang-dev
https://golang.org/cl/6200070

src/pkg/runtime/sys_netbsd_386.s

@@ -16,7 +16,7 @@ TEXT runtime·exit(SB),7,$-4
 	RET
 
 TEXT runtime·exit1(SB),7,$-4
-	MOVL	$302, AX		// sys_threxit
+	MOVL	$310, AX		// sys__lwp_exit
 	INT	$0x80
 	JAE	2(PC)
 	MOVL	$0xf1, 0xf1		// crash
@@ -41,17 +41,17 @@ TEXT runtime·usleep(SB),7,$20
 	LEAL	12(SP), AX
 	MOVL	AX, 4(SP)		// arg 1 - rqtp
 	MOVL	$0, 8(SP)		// arg 2 - rmtp
-	MOVL	$240, AX		// sys_nanosleep
+	MOVL	$430, AX		// sys_nanosleep
 	INT	$0x80
 	RET
 
 TEXT runtime·raisesigpipe(SB),7,$12
-	MOVL	$299, AX		// sys_getthrid
+	MOVL	$311, AX		// sys__lwp_self
 	INT	$0x80
 	MOVL	$0, 0(SP)
-	MOVL	AX, 4(SP)		// arg 1 - pid
-	MOVL	$13, 8(SP)		// arg 2 - signum == SIGPIPE
-	MOVL	$37, AX			// sys_kill
+	MOVL	AX, 4(SP)		// arg 1 - target
+	MOVL	$13, 8(SP)		// arg 2 - signo == SIGPIPE
+	MOVL	$318, AX		// sys__lwp_kill
 	INT	$0x80
 	RET
 
@@ -83,16 +83,16 @@ TEXT runtime·munmap(SB),7,$-4
 	RET
 
 TEXT runtime·setitimer(SB),7,$-4
-	MOVL	$83, AX
+	MOVL	$425, AX		// sys_setitimer
 	INT	$0x80
 	RET
 
 // func now() (sec int64, nsec int32)
 TEXT time·now(SB), 7, $32
-	MOVL	$116, AX
 	LEAL	12(SP), BX
-	MOVL	BX, 4(SP)
-	MOVL	$0, 8(SP)
+	MOVL	BX, 4(SP)		// arg 1 - tp
+	MOVL	$0, 8(SP)		// arg 2 - tzp
+	MOVL	$418, AX		// sys_gettimeofday
 	INT	$0x80
 	MOVL	12(SP), AX		// sec
 	MOVL	16(SP), BX		// usec
@@ -107,10 +107,10 @@ TEXT time·now(SB), 7, $32
 // int64 nanotime(void) so really
 // void nanotime(int64 *nsec)
 TEXT runtime·nanotime(SB),7,$32
-	MOVL	$116, AX
 	LEAL	12(SP), BX
-	MOVL	BX, 4(SP)
-	MOVL	$0, 8(SP)
+	MOVL	BX, 4(SP)		// arg 1 - tp
+	MOVL	$0, 8(SP)		// arg 2 - tzp
+	MOVL	$418, AX		// sys_gettimeofday
 	INT	$0x80
 	MOVL	12(SP), AX		// sec
 	MOVL	16(SP), BX		// usec
@@ -307,7 +307,7 @@ TEXT runtime·settls(SB),7,$16
 	RET
 
 TEXT runtime·osyield(SB),7,$-4
-	MOVL	$298, AX		// sys_sched_yield
+	MOVL	$350, AX		// sys_sched_yield
 	INT	$0x80
 	RET
 

src/pkg/runtime/sys_netbsd_amd64.s

@@ -58,7 +58,7 @@ TEXT runtime·rfork_thread(SB),7,$0
 	JMP	-3(PC)			// keep exiting
 
 TEXT runtime·osyield(SB),7,$0
-	MOVL $298, AX			// sys_sched_yield
+	MOVL	$350, AX		// sys_sched_yield
 	SYSCALL
 	RET
 
@@ -87,7 +87,7 @@ TEXT runtime·exit(SB),7,$-8
 	RET
 
 TEXT runtime·exit1(SB),7,$-8
-	MOVL	$302, AX		// sys_threxit
+	MOVL	$310, AX		// sys__lwp_exit
 	SYSCALL
 	MOVL	$0xf1, 0xf1		// crash
 	RET
@@ -112,16 +112,16 @@ TEXT runtime·usleep(SB),7,$16
 
 	MOVQ	SP, DI			// arg 1 - rqtp
 	MOVQ	$0, SI			// arg 2 - rmtp
-	MOVL	$240, AX		// sys_nanosleep
+	MOVL	$430, AX		// sys_nanosleep
 	SYSCALL
 	RET
 
 TEXT runtime·raisesigpipe(SB),7,$16
-	MOVL	$299, AX		// sys_getthrid
+	MOVL	$311, AX		// sys__lwp_self
 	SYSCALL
-	MOVQ	AX, DI			// arg 1 - pid
-	MOVQ	$13, SI			// arg 2 - signum == SIGPIPE
-	MOVL	$37, AX			// sys_kill
+	MOVQ	AX, DI			// arg 1 - target
+	MOVQ	$13, SI			// arg 2 - signo == SIGPIPE
+	MOVL	$318, AX		// sys__lwp_kill
 	SYSCALL
 	RET
 
@@ -129,7 +129,7 @@ TEXT runtime·setitimer(SB),7,$-8
 	MOVL	8(SP), DI		// arg 1 - which
 	MOVQ	16(SP), SI		// arg 2 - itv
 	MOVQ	24(SP), DX		// arg 3 - oitv
-	MOVL	$83, AX			// sys_setitimer
+	MOVL	$425, AX		// sys_setitimer
 	SYSCALL
 	RET
 
@@ -137,7 +137,7 @@ TEXT runtime·setitimer(SB),7,$-8
 TEXT time·now(SB), 7, $32
 	LEAQ	8(SP), DI		// arg 1 - tp
 	MOVQ	$0, SI			// arg 2 - tzp
-	MOVL	$116, AX		// sys_gettimeofday
+	MOVL	$418, AX		// sys_gettimeofday
 	SYSCALL
 	MOVQ	8(SP), AX		// sec
 	MOVL	16(SP), DX		// usec
@@ -151,7 +151,7 @@ TEXT time·now(SB), 7, $32
 TEXT runtime·nanotime(SB),7,$32
 	LEAQ	8(SP), DI		// arg 1 - tp
 	MOVQ	$0, SI			// arg 2 - tzp
-	MOVL	$116, AX		// sys_gettimeofday
+	MOVL	$418, AX		// sys_gettimeofday
 	SYSCALL
 	MOVQ	8(SP), AX		// sec
 	MOVL	16(SP), DX		// usec
@@ -224,7 +224,7 @@ TEXT runtime·mmap(SB),7,$0
 	SUBQ	$16, SP
 	MOVQ	R9, 8(SP)		// arg 7 - offset (passed on stack)
 	MOVQ	$0, R9			// arg 6 - pad
-	MOVL	$197, AX
+	MOVL	$197, AX		// sys_mmap
 	SYSCALL
 	JCC	2(PC)
 	NEGL	AX