Klaus Post <******@****.***> 1700528975 -0800

			src := make([]byte, tt.srcLen)
			if tt.srcLen >= 2 {
				src[1] = 42
			}
			dst := js.Global().Get("Uint8Array").New(tt.dstLen)

			if got, want := js.CopyBytesToJS(dst, src), tt.copyLen; got != want {
				t.Errorf("copied %d, want %d", got, want)
			}
			if tt.dstLen >= 2 {
				if got, want := dst.Index(1).Int(), 42; got != want {
					t.Errorf("got %d, want %d", got, want)

	if _, err := s.sr.Seek(0, io.SeekStart); err != nil {
		return nil, err
	}
	var stlen uint32
	var stoff uint64
	var nsyms uint32
	var symoff uint64
	switch f.TargetMachine {
	case U802TOCMAGIC:
		lhdr := new(LoaderHeader32)
		if err := binary.Read(s.sr, binary.BigEndian, lhdr); err != nil {
			return nil, err
		}
		stlen = lhdr.Lstlen
		stoff = uint64(lhdr.Lstoff)
		nsyms = lhdr.Lnsyms
		symoff = LDHDRSZ_32

		[maxLen]byte{'i', '-', 'b', 'n', 'n'}:                          _bnn, // i-bnn
		[maxLen]byte{'i', '-', 'h', 'a', 'k'}:                          _hak, // i-hak
		[maxLen]byte{'i', '-', 'k', 'l', 'i', 'n', 'g', 'o', 'n'}:      _tlh, // i-klingon
		[maxLen]byte{'i', '-', 'l', 'u', 'x'}:                          _lb,  // i-lux
		[maxLen]byte{'i', '-', 'n', 'a', 'v', 'a', 'j', 'o'}:           _nv,  // i-navajo

	oid := [2]uint32{_CTL_QUERY, _CTL_QUERY_MIB}
	miblen := uintptr(_CTL_MAXNAME)
	if sysctl(&oid[0], 2, (*byte)(unsafe.Pointer(mib)), &miblen, (*byte)(unsafe.Pointer(&name[0])), (uintptr)(len(name))) < 0 {
		return 0
	}
	miblen /= unsafe.Sizeof(uint32(0))
	if miblen <= 0 {
		return 0
	}
	return uint32(miblen)
}

const (
	_CPU_CURRENT_PID = -1 // Current process ID.
)

//go:noescape

}

// FileCache is a simple LRU cache of file contents.
type FileCache struct {
	files  *list.List
	maxLen int
}

// NewFileCache returns a FileCache which can contain up to maxLen cached file contents.
func NewFileCache(maxLen int) *FileCache {
	return &FileCache{
		files:  list.New(),
		maxLen: maxLen,
	}
}

// Line returns the source code line for the given file and line number.

	var frame traceFrame
	frame.PC = f.PC

	fn := f.Function
	const maxLen = 1 << 10
	if len(fn) > maxLen {
		fn = fn[len(fn)-maxLen:]
	}
	frame.funcID = trace.stringTab[gen%2].put(gen, fn)
	frame.line = uint64(f.Line)
	file := f.File
	if len(file) > maxLen {
		file = file[len(file)-maxLen:]
	}
	frame.fileID = trace.stringTab[gen%2].put(gen, file)
	return frame
}

	d := `
stuff: 1
`
	maxLen := 5 * 1024 * 1024
	bufferLen := 4 * 1024
	//  maxLen 5 M
	dd := strings.Repeat(d, 512*1024)
	r := NewDocumentDecoder(io.NopCloser(bytes.NewReader([]byte(dd[:maxLen-1]))))
	b := make([]byte, bufferLen)
	n, err := r.Read(b)
	if err != io.ErrShortBuffer {
		t.Fatalf("expected ErrShortBuffer: %d / %v", n, err)
	}
	b = make([]byte, maxLen)
	n, err = r.Read(b)
	if err != nil {

		t.Skipf("skipping test: GOARCH=%s", runtime.GOARCH)
	}

	for arglen := 0; arglen <= runtime.MaxArgs; arglen++ {
		arglen := arglen
		t.Run(fmt.Sprintf("arg-%d", arglen), func(t *testing.T) {
			t.Parallel()
			args := make([]string, arglen)
			rets := make([]string, arglen+1)
			params := make([]uintptr, arglen)
			for i := range args {
				args[i] = fmt.Sprintf("int a%d", i)

		},
	}
	return t
}

func fakeTracingConfigNoProvider(randomSampling float64, maxLen uint32, tags []*tracing.CustomTag) *hcm.HttpConnectionManager_Tracing {
	return fakeTracingConfig(nil, randomSampling, maxLen, tags)
}

func fakeTracingConfig(provider *tracingcfg.Tracing_Http, randomSampling float64, maxLen uint32, tags []*tracing.CustomTag) *hcm.HttpConnectionManager_Tracing {
	t := &hcm.HttpConnectionManager_Tracing{