Function CodeHolder_reserveInternal

libraries/asmjit/asmjit/base/codeholder.cpp:270–298

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

static Error CodeHolder_reserveInternal(CodeHolder* self, CodeBuffer* cb, size_t n) noexcept {
  uint8_t* oldData = cb->_data;
  uint8_t* newData;

  if (oldData && !cb->isExternal())
    newData = static_cast<uint8_t*>(Internal::reallocMemory(oldData, n));
  else
    newData = static_cast<uint8_t*>(Internal::allocMemory(n));

  if (ASMJIT_UNLIKELY(!newData))
    return DebugUtils::errored(kErrorNoHeapMemory);

  cb->_data = newData;
  cb->_capacity = n;

  // Update the `Assembler` pointers if attached. Maybe we should introduce an
  // event for this, but since only one Assembler can be attached at a time it
  // should not matter how these pointers are updated.
  Assembler* a = self->_cgAsm;
  if (a && &a->_section->_buffer == cb) {
    size_t offset = a->getOffset();

    a->_bufferData = newData;
    a->_bufferEnd  = newData + n;
    a->_bufferPtr  = newData + offset;
  }

  return kErrorOk;
}

Error CodeHolder::growBuffer(CodeBuffer* cb, size_t n) noexcept {
  // This is most likely called by `Assembler` so `sync()` shouldn't be needed,