Bytes PyValue::asBytes()
{
if (m_symbolGroup)
return Bytes();
ULONG64 address = 0;
if (FAILED(m_symbolGroup->GetSymbolOffset(m_index, &address)))
return Bytes();
ULONG size;
if (FAILED(m_symbolGroup->GetSymbolSize(m_index, &size)))
return Bytes();
Bytes bytes(size);
unsigned long received;
auto data = ExtensionCommandContext::instance()->dataSpaces();
if (FAILED(data->ReadVirtual(address, bytes.data(), size, &received)))
return Bytes();
bytes.resize(received);
return bytes;
}
//
// reads a struct from a virtual address
// the struct data is placed in pStructData and should be freed when done
// the pStruct should be a cloned structure which will have its fieldData
// pointers updated to point to the the appropriate location in pStructData
//
HRESULT ReadVirtualStruct(PCMD_CTX ctx, WDBG_PTR addr, PSYM_FIELD pStruct, PVOID *pStructData)
{
HRESULT ret;
ULONG structLen = GetReadStructLength(pStruct);
PBYTE buf = (PBYTE) malloc(structLen);
if (buf == NULL)
return E_OUTOFMEMORY;
if (SUCCEEDED(ret = ReadVirtual(ctx, addr, buf, structLen)))
{
// assign the fieldData pointer to the proper location in buf
PSYM_FIELD pField = pStruct;
while (pField->fieldName != NULL)
{
pField->fieldData = buf + pField->fieldOffset;
pField++;
}
*pStructData = buf;
}
return ret;
}
