//
// Callers should set the unwindSilentErrors flag on u.
func tracebackPCs(u *unwinder, skip int, pcBuf []uintptr) int {
	var cgoBuf [32]uintptr
	n := 0
	for ; n < len(pcBuf) && u.valid(); u.next() {
		f := u.frame.fn
		cgoN := u.cgoCallers(cgoBuf[:])

		// TODO: Why does &u.cache cause u to escape? (Same in traceback2)

     (TFL_MulOp:$mul_out1
      (TFL_AddOp:$add_out1 $arg0,
       (TFL_MulOp:$mul_out2
        (TFL_PowOp:$pow_out $arg0, (Arith_ConstantOp F32ElementsAttr:$Cst_3)),
        (Arith_ConstantOp F32ElementsAttr:$Coeff), TFL_AF_None), TFL_AF_None),
      (Arith_ConstantOp F32ElementsAttr:$Cst_sqrt_2dPi), TFL_AF_None)),
    (Arith_ConstantOp F32ElementsAttr:$Cst_1), TFL_AF_None), TFL_AF_None),
  (TFL_GeluOp $arg0, ConstBoolAttrTrue),

	"cmd/link/internal/sym"
)

// This file handles all algorithms related to XCOFF files generation.
// Most of them are adaptations of the ones in  cmd/link/internal/pe.go
// as PE and XCOFF are based on COFF files.
// XCOFF files generated are 64 bits.

const (
	// Total amount of space to reserve at the start of the file
	// for File Header, Auxiliary Header, and Section Headers.
	// May waste some.

//
// The world must be stopped.
//
//go:systemstack
func gcSweep(mode gcMode) bool {
	assertWorldStopped()

	if gcphase != _GCoff {
		throw("gcSweep being done but phase is not GCoff")
	}

	lock(&mheap_.lock)
	mheap_.sweepgen += 2
	sweep.active.reset()
	mheap_.pagesSwept.Store(0)
	mheap_.sweepArenas = mheap_.allArenas
	mheap_.reclaimIndex.Store(0)