t.Skipf("skipping on %s, issue 15255", runtime.GOARCH)
	}

	// pprof can only disassemble PIE on some platforms.
	// Skip the ones it can't handle yet.
	if runtime.GOOS == "android" && runtime.GOARCH == "arm" {
		t.Skipf("skipping on %s/%s, issue 46639", runtime.GOOS, runtime.GOARCH)
	}
}

// TestDisasm verifies that cmd/pprof can successfully disassemble functions.
//
// This is a regression test for issue 46636.

		log.Fatal(err)
	}
	defer f.Close()

	dis, err := f.Disasm()
	if err != nil {
		log.Fatalf("disassemble %s: %v", flag.Arg(0), err)
	}

	switch flag.NArg() {
	default:
		usage()
	case 1:
		// disassembly of entire object
		dis.Print(os.Stdout, symRE, 0, ^uint64(0), *printCode, *gnuAsm)

	case 3:
		// disassembly of PC range
		start, err := strconv.ParseUint(strings.TrimPrefix(flag.Arg(1), "0x"), 16, 64)

				return []string{demangled}
			}
		}
	}
	return nil
}

// disassemble parses the output of the objdump command and returns
// the assembly instructions in a slice.
func disassemble(asm []byte) ([]plugin.Inst, error) {
	buf := bytes.NewBuffer(asm)
	function, file, line := "", "", 0
	var assembly []plugin.Inst
	for {

	}

	// Get a reference we can use to ask the runtime about
	// which of its instructions are unsafe preemption points.
	f := runtime.FuncForPC(reflect.ValueOf(setGlobalPointer).Pointer())

	// Disassemble the test function.
	// Note that normally "go test runtime" would strip symbols
	// and prevent this step from working. So there's a hack in
	// cmd/go/internal/test that exempts runtime tests from
	// symbol stripping.

      <a title="{{.Help.peek}}" href="./peek" id="peek">Peek</a>
      <a title="{{.Help.list}}" href="./source" id="list">Source</a>
      <a title="{{.Help.disasm}}" href="./disasm" id="disasm">Disassemble</a>
    </div>
  </div>

  {{$sampleLen := len .SampleTypes}}
  {{if gt $sampleLen 1}}
  <div id="sample" class="menu-item">
    <div class="menu-name">
      Sample
      <i class="downArrow"></i>

	b := bu.get()
	if !b.objdumpFound {
		return nil, errors.New("cannot disasm: no objdump tool available")
	}
	args := []string{"--disassemble", "--demangle", "--no-show-raw-insn",
		"--line-numbers", fmt.Sprintf("--start-address=%#x", start),
		fmt.Sprintf("--stop-address=%#x", end)}

	if intelSyntax {
		if b.isLLVMObjdump {

// faulting instructions.
func clobber(t *testing.T, src string, dst *os.File, opcodes map[string]bool) {
	// Run objdump to get disassembly.
	var re *regexp.Regexp
	var disasm io.Reader
	if false {
		// TODO: go tool objdump doesn't disassemble the bmi1 instructions
		// in question correctly. See issue 48584.
		cmd := testenv.Command(t, "go", "tool", "objdump", src)
		var err error

	}
}

func (sp *sourcePrinter) expandAddresses(rpt *Report, addrs map[uint64]addrInfo, flat map[uint64]int64) {
	// We found interesting addresses (ones with non-zero samples) above.
	// Get covering address ranges and disassemble the ranges.
	ranges, unprocessed := sp.splitIntoRanges(rpt.prof, addrs, flat)
	sp.handleUnprocessed(addrs, unprocessed)

	// Trim ranges if there are too many.
	const maxRanges = 25

		return nil, nil
	}

	return cf.Lines[line-1], nil
}

// Print prints a disassembly of the file to w.
// If filter is non-nil, the disassembly only includes functions with names matching filter.
// If printCode is true, the disassembly includs corresponding source lines.
// The disassembly only includes functions that overlap the range [start, end).

	for _, s := range need {
		if !strings.Contains(text, s) {
			t.Errorf("disassembly missing '%s'", s)
			ok = false
		}
	}
	if goarch == "386" {
		if strings.Contains(text, "(IP)") {
			t.Errorf("disassembly contains PC-Relative addressing on 386")
			ok = false
		}
	}

	if !ok || testing.Verbose() {
		t.Logf("full disassembly:\n%s", text)
	}
}