Function makeSimpleFrameMapTable

src/compile.cpp:6726–6757

};

GcIntArray* makeSimpleFrameMapTable(MyThread* t,
                                    Context* context,
                                    uint8_t* start,
                                    TraceElement** elements,
                                    unsigned elementCount)
{
  unsigned mapSize = frameMapSizeInBits(t, context->method);
  GcIntArray* table = makeIntArray(
      t, elementCount + ceilingDivide(elementCount * mapSize, 32));

  assertT(t,
          table->length()
          == elementCount + simpleFrameMapTableSize(t, context->method, table));

  for (unsigned i = 0; i < elementCount; ++i) {
    TraceElement* p = elements[i];

    table->body()[i] = static_cast<intptr_t>(p->address->value())
                       - reinterpret_cast<intptr_t>(start);

    assertT(
        t,
        elementCount + ceilingDivide((i + 1) * mapSize, 32) <= table->length());

    if (mapSize) {
      copyFrameMap(
          &table->body()[elementCount], p->map, mapSize, i * mapSize, p);
    }
  }

  return table;
}

void insertCallNode(MyThread* t, GcCallNode* node);