ptrs := pp.wbBuf.buf[:n]

	// Poison the buffer to make extra sure nothing is enqueued
	// while we're processing the buffer.
	pp.wbBuf.next = 0

	if useCheckmark {
		// Slow path for checkmark mode.
		for _, ptr := range ptrs {
			shade(ptr)
		}
		pp.wbBuf.reset()
		return
	}

	// Mark all of the pointers in the buffer and record only the

func divRoundUp(n, a uintptr) uintptr {
	// a is generally a power of two. This will get inlined and
	// the compiler will optimize the division.
	return (n + a - 1) / a
}

// checkASM reports whether assembly runtime checks have passed.
func checkASM() bool

func memequal_varlen(a, b unsafe.Pointer) bool

// bool2int returns 0 if x is false or 1 if x is true.
func bool2int(x bool) int {

    private static int getEstimatedArgumentHandlingCodeLength(Type argument) {
        int loadSize = 7;  // size of SerializedLambda.getCapturedArg(<n>) call
        // unboxing of a primitive adds "invokevirtual" to "checkcast".
        int unboxingSize = isPrimitiveArgument(argument) ? 6 : 3;
        return loadSize + unboxingSize;
    }

    private static boolean isPrimitiveArgument(Type argument) {

		throw("float32nan2")
	}
	if i == i1 {
		throw("float32nan3")
	}

	testAtomic64()

	if fixedStack != round2(fixedStack) {
		throw("FixedStack is not power-of-2")
	}

	if !checkASM() {
		throw("assembly checks failed")
	}
}

type dbgVar struct {
	name   string
	value  *int32        // for variables that can only be set at startup

		// referenced by name. Also no need to do overwriting
		// check, as same hash indicates same content.
		var checkHash func() (symAndSize, bool)
		var addToHashMap func(symAndSize)
		var h64 uint64        // only used for hashed64Def
		var h *goobj.HashType // only used for hashedDef
		if kind == hashed64Def {
			checkHash = func() (symAndSize, bool) {
				h64 = r.Hash64(li - uint32(r.ndef))
				s, existed := st.hashed64Syms[h64]

			}
			// Check that this span was swept (it may be cached or uncached).
			if !useCheckmark && !(s.sweepgen == sg || s.sweepgen == sg+3) {
				// sweepgen was updated (+2) during non-checkmark GC pass
				print("sweep ", s.sweepgen, " ", sg, "\n")
				throw("gc: unswept span")
			}

			// Lock the specials to prevent a special from being
			// removed from the list while we're traversing it.

TEXT runtime·goexit(SB),NOSPLIT|NOFRAME|TOPFRAME,$0-0
	NOR	R0, R0	// NOP
	JAL	runtime·goexit1(SB)	// does not return
	// traceback from goexit1 must hit code range of goexit
	NOR	R0, R0	// NOP

TEXT ·checkASM(SB),NOSPLIT,$0-1
	MOVW	$1, R1
	MOVB	R1, ret+0(FP)
	RET

// gcWriteBarrier informs the GC about heap pointer writes.
//
// gcWriteBarrier does NOT follow the Go ABI. It accepts the

		// before continuing.
	})

	var stwSwept bool
	systemstack(func() {
		work.heap2 = work.bytesMarked
		if debug.gccheckmark > 0 {
			// Run a full non-parallel, stop-the-world
			// mark using checkmark bits, to check that we
			// didn't forget to mark anything during the
			// concurrent mark process.
			startCheckmarks()
			gcResetMarkState()
			gcw := &getg().m.p.ptr().gcw
			gcDrain(gcw, 0)

	RET

// void setg(G*); set g. for use by needm.
TEXT runtime·setg(SB), NOSPLIT, $0-8
	MOV	gg+0(FP), g
	// This only happens if iscgo, so jump straight to save_g
	CALL	runtime·save_g(SB)
	RET

TEXT ·checkASM(SB),NOSPLIT,$0-1
	MOV	$1, T0
	MOV	T0, ret+0(FP)
	RET

// spillArgs stores return values from registers to a *internal/abi.RegArgs in X25.
TEXT ·spillArgs(SB),NOSPLIT,$0-0
	MOV	X10, (0*8)(X25)

	// moduledata linked list.
	MOVD	runtime·lastmoduledatap(SB), R1
	MOVD	R2, moduledata_next(R1)
	MOVD	R2, runtime·lastmoduledatap(SB)

	// Restore R6-R15.
	LMG	48(R15), R6, R15
	RET

TEXT ·checkASM(SB),NOSPLIT,$0-1
	MOVB	$1, ret+0(FP)
	RET

// gcWriteBarrier informs the GC about heap pointer writes.
//
// gcWriteBarrier does NOT follow the Go ABI. It accepts the