Method embedLabel

libraries/asmjit/asmjit/base/assembler.cpp:286–331

}

Error Assembler::embedLabel(const Label& label) {
  if (_lastError) return _lastError;
  ASMJIT_ASSERT(_code != nullptr);

  RelocEntry* re;
  LabelEntry* le = _code->getLabelEntry(label);

  if (ASMJIT_UNLIKELY(!le))
    return setLastError(DebugUtils::errored(kErrorInvalidLabel));

  Error err;
  uint32_t gpSize = getGpSize();

  if (getRemainingSpace() < gpSize) {
    err = _code->growBuffer(&_section->_buffer, gpSize);
    if (ASMJIT_UNLIKELY(err)) return setLastError(err);
  }

#if !defined(ASMJIT_DISABLE_LOGGING)
  if (_globalOptions & kOptionLoggingEnabled)
    _code->_logger->logf(gpSize == 4 ? ".dd L%u\n" : ".dq L%u\n", Operand::unpackId(label.getId()));
#endif // !ASMJIT_DISABLE_LOGGING

  err = _code->newRelocEntry(&re, RelocEntry::kTypeRelToAbs, gpSize);
  if (ASMJIT_UNLIKELY(err)) return setLastError(err);

  re->_sourceSectionId = _section->getId();
  re->_sourceOffset = static_cast<uint64_t>(getOffset());

  if (le->isBound()) {
    re->_targetSectionId = le->getSectionId();
    re->_data = static_cast<uint64_t>(static_cast<int64_t>(le->getOffset()));
  }
  else {
    LabelLink* link = _code->newLabelLink(le, _section->getId(), getOffset(), 0);
    if (ASMJIT_UNLIKELY(!link))
      return setLastError(DebugUtils::errored(kErrorNoHeapMemory));
    link->relocId = re->getId();
  }

  // Emit dummy DWORD/QWORD depending on the address size.
  ::memset(_bufferPtr, 0, gpSize);
  _bufferPtr += gpSize;

  return kErrorOk;
}

Error Assembler::embedConstPool(const Label& label, const ConstPool& pool) {
  if (_lastError) return _lastError;