diff options
Diffstat (limited to 'lldb/source/Plugins/ObjectFile/ELF/ObjectFileELF.cpp')
-rw-r--r-- | lldb/source/Plugins/ObjectFile/ELF/ObjectFileELF.cpp | 36 |
1 files changed, 32 insertions, 4 deletions
diff --git a/lldb/source/Plugins/ObjectFile/ELF/ObjectFileELF.cpp b/lldb/source/Plugins/ObjectFile/ELF/ObjectFileELF.cpp index 1ceaa2c3761..f9cec241538 100644 --- a/lldb/source/Plugins/ObjectFile/ELF/ObjectFileELF.cpp +++ b/lldb/source/Plugins/ObjectFile/ELF/ObjectFileELF.cpp @@ -807,10 +807,10 @@ ObjectFileELF::ObjectFileELF (const lldb::ModuleSP &module_sp, } ObjectFileELF::ObjectFileELF (const lldb::ModuleSP &module_sp, - DataBufferSP& data_sp, + DataBufferSP& header_data_sp, const lldb::ProcessSP &process_sp, addr_t header_addr) : - ObjectFile(module_sp, process_sp, LLDB_INVALID_ADDRESS, data_sp), + ObjectFile(module_sp, process_sp, header_addr, header_data_sp), m_header(), m_uuid(), m_gnu_debuglink_file(), @@ -860,7 +860,14 @@ ObjectFileELF::SetLoadAddress (Target &target, // if (section_sp && !section_sp->IsThreadSpecific()) if (section_sp && section_sp->Test(SHF_ALLOC)) { - if (target.GetSectionLoadList().SetSectionLoadAddress (section_sp, section_sp->GetFileAddress() + value)) + lldb::addr_t load_addr = section_sp->GetFileAddress() + value; + + // On 32-bit systems the load address have to fit into 4 bytes. The rest of + // the bytes are the overflow from the addition. + if (GetAddressByteSize() == 4) + load_addr &= 0xFFFFFFFF; + + if (target.GetSectionLoadList().SetSectionLoadAddress (section_sp, load_addr)) ++num_loaded_sections; } } @@ -933,7 +940,28 @@ bool ObjectFileELF::ParseHeader() { lldb::offset_t offset = 0; - return m_header.Parse(m_data, &offset); + if (!m_header.Parse(m_data, &offset)) + return false; + + if (!IsInMemory()) + return true; + + // For in memory object files m_data might not contain the full object file. Try to load it + // until the end of the "Section header table" what is at the end of the ELF file. + addr_t file_size = m_header.e_shoff + m_header.e_shnum * m_header.e_shentsize; + if (m_data.GetByteSize() < file_size) + { + ProcessSP process_sp (m_process_wp.lock()); + if (!process_sp) + return false; + + DataBufferSP data_sp = ReadMemory(process_sp, m_memory_addr, file_size); + if (!data_sp) + return false; + m_data.SetData(data_sp, 0, file_size); + } + + return true; } bool |