ctxt.IsAsm = true
	defer ctxt.Bso.Flush()
	failed := false
	var errBuf bytes.Buffer
	parser.errorWriter = &errBuf
	ctxt.DiagFunc = func(format string, args ...interface{}) {
		failed = true
		s := fmt.Sprintf(format, args...)
		if !strings.HasSuffix(s, "\n") {
			s += "\n"
		}
		errBuf.WriteString(s)
	}
	for _, flag := range flags {
		switch flag {
		case "dynlink":

      current = it.next().openStream();
    }
  }

  @Override
  public int read(char[] cbuf, int off, int len) throws IOException {
    checkNotNull(cbuf);
    if (current == null) {
      return -1;
    }
    int result = current.read(cbuf, off, len);
    if (result == -1) {
      advance();
      return read(cbuf, off, len);
    }
    return result;
  }

  @Override

      current = it.next().openStream();
    }
  }

  @Override
  public int read(char[] cbuf, int off, int len) throws IOException {
    checkNotNull(cbuf);
    if (current == null) {
      return -1;
    }
    int result = current.read(cbuf, off, len);
    if (result == -1) {
      advance();
      return read(cbuf, off, len);
    }
    return result;
  }

  @Override

                }
                final StringBuilder urlBuf = new StringBuilder(100);
                for (final String param : paramList) {
                    urlBuf.append(sp).append(param);
                    if (sp == '?') {
                        sp = '&';
                    }
                }
                url = url + urlBuf.toString();
            }

		// and stderr is an expectation in string format.
		var traceBuf, errBuf bytes.Buffer
		cmd.Stdout = &traceBuf
		cmd.Stderr = &errBuf
		// Run the program.
		if err := cmd.Run(); err != nil {
			if errBuf.Len() != 0 {
				t.Logf("stderr: %s", string(errBuf.Bytes()))
			}
			t.Fatal(err)
		}
		tb := traceBuf.Bytes()

		// Test the trace and the parser.

	return valid, err
}

//sys	putmsg(fd int, clptr *strbuf, dataptr *strbuf, flags int) (err error)

func Putmsg(fd int, cl []byte, data []byte, flags int) (err error) {
	var clp, datap *strbuf
	if len(cl) > 0 {
		clp = &strbuf{
			Len: int32(len(cl)),
			Buf: (*int8)(unsafe.Pointer(&cl[0])),
		}
	}
	if len(data) > 0 {
		datap = &strbuf{
			Len: int32(len(data)),

  }

  /*
   * Abstract methods from Writer
   */

  @Override
  public void write(char[] cbuf, int off, int len) throws IOException {
    checkNotClosed();
    // It turns out that creating a new String is usually as fast, or faster
    // than wrapping cbuf in a light-weight CharSequence.
    target.append(new String(cbuf, off, len));
  }

  /*

@J2ktIncompatible
@GwtIncompatible
@ElementTypesAreNonnullByDefault
public final class LineReader {
  private final Readable readable;
  @CheckForNull private final Reader reader;
  private final CharBuffer cbuf = createBuffer();
  private final char[] buf = cbuf.array();

  private final Queue<String> lines = new ArrayDeque<>();
  private final LineBuffer lineBuf =
      new LineBuffer() {
        @Override

            hlQueries[i] = highlightTagPre + queries[i] + highlightTagPost;
        }
        while (m.find()) {
            segBuf.setLength(0);
            m.appendReplacement(segBuf, StringUtil.EMPTY);
            String segment = segBuf.toString();
            for (int i = 0; i < queries.length; i++) {

	// pcbuf which is usually given to us by our caller. When it's not, we have
	// to allocate one here. This will only happen for goroutines that were in a
	// syscall when the goroutine profile started or for goroutines that manage
	// to execute before we finish iterating over all the goroutines.
	if pcbuf == nil {
		pcbuf = makeProfStack()
	}

	var u unwinder