MOVL	CX, 4(SP)
	MOVL	DX, 8(SP)
	MOVL	SI, 12(SP)	// save SI: handler might be a Go function
	CALL	AX
	MOVL	12(SP), AX
	MOVL	AX, SP
	RET

// Called by OS using C ABI.
TEXT runtime·sigtramp(SB),NOSPLIT|TOPFRAME,$12
	NOP	SP	// tell vet SP changed - stop checking offsets
	MOVL	16(SP), BX	// signo
	MOVL	BX, 0(SP)
	MOVL	20(SP), BX // info
	MOVL	BX, 4(SP)
	MOVL	24(SP), BX // context
	MOVL	BX, 8(SP)

			println("runtime: may need to increase max user processes (ulimit -p)")
		}
		throw("runtime.newosproc")
	}
}

// mstart is the entry-point for new Ms.
// It is written in assembly, uses ABI0, is marked TOPFRAME, and calls netbsdMstart0.
func netbsdMstart()

// netbsdMstart0 is the function call that starts executing a newly
// created thread. On NetBSD, a new thread inherits the signal stack

	MOVQ	ctx+24(FP),  DX
	MOVQ	SP, BX		// callee-saved
	ANDQ	$~15, SP	// alignment for x86_64 ABI
	CALL	AX
	MOVQ	BX, SP
	RET

// Called using C ABI.
TEXT runtime·sigtramp(SB),NOSPLIT|TOPFRAME|NOFRAME,$0
	// Transition from C ABI to Go ABI.
	PUSH_REGS_HOST_TO_ABI0()

	// Set up ABIInternal environment: g in R14, cleared X15.
	get_tls(R12)
	MOVQ	g(R12), R14
	PXOR	X15, X15

	MOVV	$SYS_kill, R2
	SYSCALL
	RET

TEXT ·getpid(SB),NOSPLIT|NOFRAME,$0-8
	MOVV	$SYS_getpid, R2
	SYSCALL
	MOVV	R2, ret+0(FP)
	RET

TEXT ·tgkill(SB),NOSPLIT|NOFRAME,$0-24
	MOVV	tgid+0(FP), R4
	MOVV	tid+8(FP), R5
	MOVV	sig+16(FP), R6
	MOVV	$SYS_tgkill, R2
	SYSCALL
	RET

TEXT runtime·setitimer(SB),NOSPLIT|NOFRAME,$0-24
	MOVW	mode+0(FP), R4
	MOVV	new+8(FP), R5
	MOVV	old+16(FP), R6

TEXT runtime·write1(SB),NOSPLIT|NOFRAME,$0-28
	MOVD	fd+0(FP), R2
	MOVD	p+8(FP), R3
	MOVW	n+16(FP), R4
	MOVW	$SYS_write, R1
	SYSCALL
	MOVW	R2, ret+24(FP)
	RET

TEXT runtime·read(SB),NOSPLIT|NOFRAME,$0-28
	MOVW	fd+0(FP), R2
	MOVD	p+8(FP), R3
	MOVW	n+16(FP), R4
	MOVW	$SYS_read, R1
	SYSCALL
	MOVW	R2, ret+24(FP)
	RET

// func pipe2() (r, w int32, errno int32)
TEXT runtime·pipe2(SB),NOSPLIT|NOFRAME,$0-20

#define SYS_timer_settime	110
#define SYS_timer_delete	111

// func exit(code int32)
TEXT runtime·exit(SB),NOSPLIT|NOFRAME,$0-4
	MOVW	code+0(FP), R4
	MOVV	$SYS_exit_group, R11
	SYSCALL
	RET

// func exitThread(wait *atomic.Uint32)
TEXT runtime·exitThread(SB),NOSPLIT|NOFRAME,$0-8
	MOVV	wait+0(FP), R19
	// We're done using the stack.
	MOVW	$0, R11
	DBAR
	MOVW	R11, (R19)
	DBAR
	MOVW	$0, R4	// exit code

#define SYS_timer_settime	110
#define SYS_tkill		130
#define SYS_write		64

// func exit(code int32)
TEXT runtime·exit(SB),NOSPLIT|NOFRAME,$0-4
	MOVW	code+0(FP), A0
	MOV	$SYS_exit_group, A7
	ECALL
	RET

// func exitThread(wait *atomic.Uint32)
TEXT runtime·exitThread(SB),NOSPLIT|NOFRAME,$0-8
	MOV	wait+0(FP), A0
	// We're done using the stack.
	FENCE
	MOVW	ZERO, (A0)
	FENCE
	MOV	$0, A0	// exit code

TEXT runtime·memhash<ABIInternal>(SB),NOSPLIT|NOFRAME,$0-32
	JMP	runtime·memhashFallback<ABIInternal>(SB)
TEXT runtime·strhash<ABIInternal>(SB),NOSPLIT|NOFRAME,$0-24
	JMP	runtime·strhashFallback<ABIInternal>(SB)
TEXT runtime·memhash32<ABIInternal>(SB),NOSPLIT|NOFRAME,$0-24
	JMP	runtime·memhash32Fallback<ABIInternal>(SB)
TEXT runtime·memhash64<ABIInternal>(SB),NOSPLIT|NOFRAME,$0-24
	JMP	runtime·memhash64Fallback<ABIInternal>(SB)

	MOVW	fn+0(FP), R25
	MOVW	R29, R22
	SUBU	$16, R29
	AND	$~7, R29	// shadow space for 4 args aligned to 8 bytes as per O32 ABI
	JAL	(R25)
	MOVW	R22, R29
	RET

TEXT runtime·sigtramp(SB),NOSPLIT|TOPFRAME,$12
	// this might be called in external code context,
	// where g is not set.
	MOVB	runtime·iscgo(SB), R1
	BEQ	R1, 2(PC)
	JAL	runtime·load_g(SB)

	MOVW	R4, 4(R29)
	MOVW	R5, 8(R29)
	MOVW	R6, 12(R29)

	JMP	runtime·rt0_go(SB)

DATA _rt0_386_lib_argc<>(SB)/4, $0
GLOBL _rt0_386_lib_argc<>(SB),NOPTR, $4
DATA _rt0_386_lib_argv<>(SB)/4, $0
GLOBL _rt0_386_lib_argv<>(SB),NOPTR, $4

TEXT runtime·rt0_go(SB),NOSPLIT|NOFRAME|TOPFRAME,$0
	// Copy arguments forward on an even stack.
	// Users of this function jump to it, they don't call it.
	MOVL	0(SP), AX
	MOVL	4(SP), BX
	SUBL	$128, SP		// plenty of scratch
	ANDL	$~15, SP