func syscall_runtime_AfterExec() {
	execLock.unlock()
}

// Allocate a new g, with a stack big enough for stacksize bytes.
func malg(stacksize int32) *g {
	newg := new(g)
	if stacksize >= 0 {
		stacksize = round2(stackSystem + stacksize)
		systemstack(func() {
			newg.stack = stackalloc(uint32(stacksize))
		})
		newg.stackguard0 = newg.stack.lo + stackGuard
		newg.stackguard1 = ^uintptr(0)

	MOVW	_cgo_sys_thread_create(SB), R2
	CMP	$0, R2
	BEQ	nocgo
	MOVW	$_rt0_arm_lib_go<>(SB), R0
	MOVW	$0, R1
	BL	(R2)
	B	rr
nocgo:
	MOVW	$0x800000, R0                     // stacksize = 8192KB
	MOVW	$_rt0_arm_lib_go<>(SB), R1  // fn
	MOVW	R0, 4(R13)
	MOVW	R1, 8(R13)
	BL	runtime·newosproc0(SB)
rr:
	// Restore callee-save registers and return.
	MOVB    runtime·goarmsoftfp(SB), R11

	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
	MOVL	$_rt0_386_lib_go(SB), AX
	MOVL	AX, 4(SP)                           // fn
	CALL	runtime·newosproc0(SB)

restore:
	ADDL	$8, SP
	POPL	DI
	POPL	SI
	POPL	BX
	POPL	BP
	RET

		(1-goexperiment.HeapMinimum512KiBInt)*(4<<20)

	// maxStackScanSlack is the bytes of stack space allocated or freed
	// that can accumulate on a P before updating gcController.stackSize.
	maxStackScanSlack = 8 << 10

	// memoryLimitMinHeapGoalHeadroom is the minimum amount of headroom the
	// pacer gives to the heap goal when operating in the memory-limited regime.

	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
	MOVQ	AX, 8(SP)			// fn
	CALL	runtime·newosproc0(SB)
	ADJSP	$-16

restore:
	POP_REGS_HOST_TO_ABI0()
	RET

// _rt0_amd64_lib_go initializes the Go runtime.

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