}

// An inlineUnwinder iterates over the stack of inlined calls at a PC by
// decoding the inline table. The last step of iteration is always the frame of
// the physical function, so there's always at least one frame.
//
// This is typically used as:
//
//	for u, uf := newInlineUnwinder(...); uf.valid(); uf = u.next(uf) { ... }
//

    private
    var nextSequenceNumber = 0L

    override fun open(frame: String) {
        log(frame, 'O')
    }

    override fun close(frame: String) {
        log(frame, 'C')
    }

    private
    fun log(frame: String, openOrClose: Char) {
        logger.log(
            level,
            """{"profile":"$profile","type":"$openOrClose","frame":"$frame","at":${writePosition()},"sn":${nextSequenceNumber()}}"""
        )

		}
		n++
	}
	n++

	frame("runtime/debug/stack.go", "runtime/debug.Stack")
	frame("runtime/debug/stack_test.go", "runtime/debug_test.(*T).ptrmethod")
	frame("runtime/debug/stack_test.go", "runtime/debug_test.T.method")
	frame("runtime/debug/stack_test.go", "runtime/debug_test.TestStack")
	frame("testing/testing.go", "")
}

func TestSetCrashOutput(t *testing.T) {

The maximum stack depth for alloc, mutex, block, threadcreate and goroutine

type stack struct {
	pcs []uint64
}

func (s stack) String() string {
	var sb strings.Builder
	for _, frame := range s.pcs {
		fmt.Fprintf(&sb, "\t%#v\n", frame)
	}
	return sb.String()
}

// frame represents a single stack frame.
type frame struct {
	pc     uint64
	funcID stringID
	fileID stringID
	line   uint64

		return false
	}

	switch status := sigctxtStatus(ctxt); status {
	case 0:
		// Frame is ready. Copy the arguments to the frame and to registers.
		// Call the debug function.
		h.debugCallRun(ctxt)
	case 1:
		// Function returned. Copy frame and result registers back out.
		h.debugCallReturn(ctxt)
	case 2:
		// Function panicked. Copy panic out.
		h.debugCallPanicOut(ctxt)

// Copyright 2014 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package trace

// Frame is a frame in stack traces.
type Frame struct {
	PC   uint64
	Fn   string
	File string
	Line int
}

const (
	// Special P identifiers:
	FakeP    = 1000000 + iota
	TimerP   // depicts timer unblocks
	NetpollP // depicts network unblocks

	if err != nil {
		return Event{}, err
	}
	if spec.IsStack {
		len := int(args[1])
		for i := 0; i < len; i++ {
			// Each stack frame has four args: pc, func ID, file ID, line number.
			frame, err := r.readArgs(4)
			if err != nil {
				return Event{}, err
			}
			args = append(args, frame...)
		}
	}
	var data []byte
	if spec.HasData {
		data, err = r.readData()
		if err != nil {
			return Event{}, err
		}
	}

	{"-O2"},
	{"-Osmall"},
	{"-W"},
	{"-Wall"},
	{"-Wp,-Dfoo=bar"},
	{"-Wp,-Ufoo"},
	{"-Wp,-Dfoo1"},
	{"-Wp,-Ufoo1"},
	{"-flto"},
	{"-fobjc-arc"},
	{"-fno-objc-arc"},
	{"-fomit-frame-pointer"},
	{"-fno-omit-frame-pointer"},
	{"-fpic"},
	{"-fno-pic"},
	{"-fPIC"},
	{"-fno-PIC"},
	{"-fpie"},
	{"-fno-pie"},
	{"-fPIE"},
	{"-fno-PIE"},
	{"-fsplit-stack"},
	{"-fno-split-stack"},
	{"-fstack-xxx"},

			break
		}
		if p.Pos.Xlogue() == src.PosPrologueEnd {
			break
		}
	}
	if pushbp == nil {
		ctxt.Diag("missing frame pointer instruction: PUSHQ BP")
		return
	}

	// It must be followed by a MOVQ SP, BP.
	movbp := pushbp.Link
	if movbp == nil {
		ctxt.Diag("missing frame pointer instruction: MOVQ SP, BP")
		return
	}
	if !(movbp.As == AMOVQ && movbp.From.Type == obj.TYPE_REG && movbp.From.Reg == REG_SP &&