diff options
Diffstat (limited to 'lldb/source/Expression/IRMemoryMap.cpp')
| -rw-r--r-- | lldb/source/Expression/IRMemoryMap.cpp | 50 |
1 files changed, 49 insertions, 1 deletions
diff --git a/lldb/source/Expression/IRMemoryMap.cpp b/lldb/source/Expression/IRMemoryMap.cpp index a58225bfa17..f22f0708683 100644 --- a/lldb/source/Expression/IRMemoryMap.cpp +++ b/lldb/source/Expression/IRMemoryMap.cpp @@ -535,8 +535,56 @@ IRMemoryMap::ReadScalarFromMemory (Scalar &scalar, lldb::addr_t process_address, else { error.SetErrorToGenericError(); - error.SetErrorString ("Couldn't write scalar: its size was zero"); + error.SetErrorString ("Couldn't read scalar: its size was zero"); } return; } +void +IRMemoryMap::GetMemoryData (DataExtractor &extractor, lldb::addr_t process_address, size_t size, Error &error) +{ + if (size > 0) + { + AllocationMap::iterator iter = FindAllocation(process_address, size); + + if (iter == m_allocations.end()) + { + error.SetErrorToGenericError(); + error.SetErrorStringWithFormat("Couldn't find an allocation containing [0x%llx..0x%llx)", (unsigned long long)process_address, (unsigned long long)(process_address + size)); + return; + } + + Allocation &allocation = iter->second; + + switch (allocation.m_policy) + { + default: + error.SetErrorToGenericError(); + error.SetErrorString("Couldn't get memory data: invalid allocation policy"); + return; + case eAllocationPolicyProcessOnly: + error.SetErrorToGenericError(); + error.SetErrorString("Couldn't get memory data: memory is only in the target"); + return; + case eAllocationPolicyHostOnly: + case eAllocationPolicyMirror: + if (!allocation.m_data.get()) + { + error.SetErrorToGenericError(); + error.SetErrorString("Couldn't get memory data: data buffer is empty"); + return; + } + uint64_t offset = process_address - allocation.m_process_start; + extractor = DataExtractor(allocation.m_data->GetBytes() + offset, size, GetByteOrder(), GetAddressByteSize()); + return; + } + } + else + { + error.SetErrorToGenericError(); + error.SetErrorString ("Couldn't get memory data: its size was zero"); + return; + } +} + + |
