MOVL	_cgo_sys_thread_create(SB), AX
	TESTL	AX, AX
	JZ	nocgo

	// Align stack to call C function.
	// We moved SP to BP above, but BP was clobbered by the libpreinit call.
	MOVL	SP, BP
	ANDL	$~15, SP

	MOVL	$_rt0_386_lib_go(SB), BX
	MOVL	BX, 0(SP)
	MOVL	$0, 4(SP)

	CALL	AX

	MOVL	BP, SP

	JMP	restore

nocgo:
	MOVL	$0x800000, 0(SP)                    // stacksize = 8192KB

	MOVD	R0, g_stackguard0(g)
	MOVD	R0, g_stackguard1(g)
	MOVD	R0, (g_stack+stack_lo)(g)
	MOVD	R7, (g_stack+stack_hi)(g)

	// if there is a _cgo_init, call it using the gcc ABI.
	MOVD	_cgo_init(SB), R12
	CBZ	R12, nocgo

#ifdef GOOS_android
	MRS_TPIDR_R0			// load TLS base pointer
	MOVD	R0, R3			// arg 3: TLS base pointer
	MOVD	$runtime·tls_g(SB), R2 	// arg 2: &tls_g
#else

	MOVQ	_cgo_sys_thread_create(SB), AX
	TESTQ	AX, AX
	JZ	nocgo

	// We're calling back to C.
	// Align stack per ELF ABI requirements.
	MOVQ	SP, BX  // Callee-save in C ABI
	ANDQ	$~15, SP
	MOVQ	$_rt0_amd64_lib_go(SB), DI
	MOVQ	$0, SI
	CALL	AX
	MOVQ	BX, SP
	JMP	restore

nocgo:
	ADJSP	$16
	MOVQ	$0x800000, 0(SP)		// stacksize
	MOVQ	$_rt0_amd64_lib_go(SB), AX