Method flatten

lib/asmjit/asmjit/core/codeholder.cpp:1082–1121

// ======================

Error CodeHolder::flatten() noexcept {
  uint64_t offset = 0;
  for (Section* section : _sections_by_order) {
    uint64_t real_size = section->real_size();
    if (real_size) {
      uint64_t aligned_offset = Support::align_up(offset, section->alignment());
      if (ASMJIT_UNLIKELY(aligned_offset < offset)) {
        return make_error(Error::kTooLarge);
      }

      Support::FastUInt8 of = 0;
      offset = Support::add_overflow(aligned_offset, real_size, &of);

      if (ASMJIT_UNLIKELY(of)) {
        return make_error(Error::kTooLarge);
      }
    }
  }

  // Now we know that we can assign offsets of all sections properly.
  Section* prev = nullptr;
  offset = 0;
  for (Section* section : _sections_by_order) {
    uint64_t real_size = section->real_size();
    if (real_size) {
      offset = Support::align_up(offset, section->alignment());
    }
    section->_offset = offset;

    // Make sure the previous section extends a bit to cover the alignment.
    if (prev) {
      prev->_virtual_size = offset - prev->_offset;
    }

    prev = section;
    offset += real_size;
  }

  return Error::kOk;
}

size_t CodeHolder::code_size() const noexcept {
  Support::FastUInt8 of = 0;