// sweeping here until the next mark phase.
		//
		// Overflow can happen here if gcPaceSweeper is called concurrently with
		// sweeping (i.e. not during a STW, like it usually is) because this code
		// is intentionally racy. A concurrent call to gcPaceSweeper can happen
		// if a GC tuning parameter is modified and we read an older value of

	STHBRX:         "sthbrx",
	STHU:           "sthu",
	STHUX:          "sthux",
	STHX:           "sthx",
	STMW:           "stmw",
	STSWI:          "stswi",
	STSWX:          "stswx",
	STW:            "stw",
	STWBRX:         "stwbrx",
	STWU:           "stwu",
	STWUX:          "stwux",
	STWX:           "stwx",
	SUBFC:          "subfc",
	SUBFCCC:        "subfc.",
	SUBFCO:         "subfco",

	// put it on the "wrong" sweep list, but really don't care because the chunk is
	// treated as a large object span and there's no meaningful difference between scan
	// and noscan large objects in the sweeper. The STW at the start of the GC acts as a
	// barrier for this update.
	s.spanclass = makeSpanClass(0, true)

	// Actually set the arena chunk to fault, so we'll get dangling pointer errors.

	// an M successfully CASes its original P back to _Prunning
	// after a syscall, it must understand the P may have been
	// used by another M in the interim.
	_Psyscall

	// _Pgcstop means a P is halted for STW and owned by the M
	// that stopped the world. The M that stopped the world
	// continues to use its P, even in _Pgcstop. Transitioning
	// from _Prunning to _Pgcstop causes an M to release its P and
	// park.
	//

		OPVCC(43, 0, 0, 0), // lhau
		OPVCC(46, 0, 0, 0), // lmw
		OPVCC(48, 0, 0, 0), // lfs
		OPVCC(49, 0, 0, 0), // lfsu
		OPVCC(50, 0, 0, 0), // lfd
		OPVCC(51, 0, 0, 0), // lfdu
		OPVCC(36, 0, 0, 0), // stw
		OPVCC(37, 0, 0, 0), // stwu
		OPVCC(38, 0, 0, 0), // stb
		OPVCC(39, 0, 0, 0), // stbu
		OPVCC(44, 0, 0, 0), // sth
		OPVCC(45, 0, 0, 0), // sthu
		OPVCC(47, 0, 0, 0), // stmw

	go122.EvGoSyscallEnd:        (*ordering).advanceGoSyscallEnd,
	go122.EvGoSyscallEndBlocked: (*ordering).advanceGoSyscallEndBlocked,
	go122.EvGoStatus:            (*ordering).advanceGoStatus,

	// STW.
	go122.EvSTWBegin: (*ordering).advanceGoRangeBegin,
	go122.EvSTWEnd:   (*ordering).advanceGoRangeEnd,

	// GC events.
	go122.EvGCActive:           (*ordering).advanceGCActive,

    and template. Must rely on extension -->
  <mime-type type="application/vnd.sun.xml.writer.template">
    <sub-class-of type="application/vnd.sun.xml.writer"/>
    <glob pattern="*.stw"/>
  </mime-type>
  <mime-type type="application/vnd.sun.xml.calc">
    <sub-class-of type="application/zip"/>
    <glob pattern="*.sxc"/>
  </mime-type>
  <mime-type type="application/vnd.sun.xml.draw">