//----------------------------------------------------------------------
// Process Control
//----------------------------------------------------------------------
Error
ProcessElfCore::DoLoadCore ()
{
Error error;
if (!m_core_module_sp)
{
error.SetErrorString ("invalid core module");
return error;
}
ObjectFileELF *core = (ObjectFileELF *)(m_core_module_sp->GetObjectFile());
if (core == NULL)
{
error.SetErrorString ("invalid core object file");
return error;
}
const uint32_t num_segments = core->GetProgramHeaderCount();
if (num_segments == 0)
{
error.SetErrorString ("core file has no sections");
return error;
}
SetCanJIT(false);
m_thread_data_valid = true;
bool ranges_are_sorted = true;
lldb::addr_t vm_addr = 0;
/// Walk through segments and Thread and Address Map information.
/// PT_NOTE - Contains Thread and Register information
/// PT_LOAD - Contains a contiguous range of Process Address Space
for(uint32_t i = 1; i <= num_segments; i++)
{
const elf::ELFProgramHeader *header = core->GetProgramHeaderByIndex(i);
assert(header != NULL);
DataExtractor data = core->GetSegmentDataByIndex(i);
// Parse thread contexts and auxv structure
if (header->p_type == llvm::ELF::PT_NOTE)
ParseThreadContextsFromNoteSegment(header, data);
// PT_LOAD segments contains address map
if (header->p_type == llvm::ELF::PT_LOAD)
{
lldb::addr_t last_addr = AddAddressRangeFromLoadSegment(header);
if (vm_addr > last_addr)
ranges_are_sorted = false;
vm_addr = last_addr;
}
}
if (!ranges_are_sorted)
m_core_aranges.Sort();
// Even if the architecture is set in the target, we need to override
// it to match the core file which is always single arch.
ArchSpec arch (m_core_module_sp->GetArchitecture());
if (arch.IsValid())
m_target.SetArchitecture(arch);
return error;
}
//----------------------------------------------------------------------
// Process Control
//----------------------------------------------------------------------
Error
ProcessElfCore::DoLoadCore ()
{
Error error;
if (!m_core_module_sp)
{
error.SetErrorString ("invalid core module");
return error;
}
ObjectFileELF *core = (ObjectFileELF *)(m_core_module_sp->GetObjectFile());
if (core == NULL)
{
error.SetErrorString ("invalid core object file");
return error;
}
const uint32_t num_segments = core->GetProgramHeaderCount();
if (num_segments == 0)
{
error.SetErrorString ("core file has no segments");
return error;
}
SetCanJIT(false);
m_thread_data_valid = true;
bool ranges_are_sorted = true;
lldb::addr_t vm_addr = 0;
/// Walk through segments and Thread and Address Map information.
/// PT_NOTE - Contains Thread and Register information
/// PT_LOAD - Contains a contiguous range of Process Address Space
for(uint32_t i = 1; i <= num_segments; i++)
{
const elf::ELFProgramHeader *header = core->GetProgramHeaderByIndex(i);
assert(header != NULL);
DataExtractor data = core->GetSegmentDataByIndex(i);
// Parse thread contexts and auxv structure
if (header->p_type == llvm::ELF::PT_NOTE)
ParseThreadContextsFromNoteSegment(header, data);
// PT_LOAD segments contains address map
if (header->p_type == llvm::ELF::PT_LOAD)
{
lldb::addr_t last_addr = AddAddressRangeFromLoadSegment(header);
if (vm_addr > last_addr)
ranges_are_sorted = false;
vm_addr = last_addr;
}
}
if (!ranges_are_sorted)
{
m_core_aranges.Sort();
m_core_range_infos.Sort();
}
// Even if the architecture is set in the target, we need to override
// it to match the core file which is always single arch.
ArchSpec arch (m_core_module_sp->GetArchitecture());
if (arch.IsValid())
GetTarget().SetArchitecture(arch);
SetUnixSignals(UnixSignals::Create(GetArchitecture()));
// Core files are useless without the main executable. See if we can locate the main
// executable using data we found in the core file notes.
lldb::ModuleSP exe_module_sp = GetTarget().GetExecutableModule();
if (!exe_module_sp)
{
// The first entry in the NT_FILE might be our executable
if (!m_nt_file_entries.empty())
{
ModuleSpec exe_module_spec;
exe_module_spec.GetArchitecture() = arch;
exe_module_spec.GetFileSpec().SetFile(m_nt_file_entries[0].path.GetCString(), false);
if (exe_module_spec.GetFileSpec())
{
exe_module_sp = GetTarget().GetSharedModule(exe_module_spec);
if (exe_module_sp)
GetTarget().SetExecutableModule(exe_module_sp, false);
}
}
}
return error;
}
