Differential D9471 Diff 25292 lldb/trunk/source/Plugins/DynamicLoader/POSIX-DYLD/DynamicLoaderPOSIXDYLD.cpp

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lldb/trunk/source/Plugins/DynamicLoader/POSIX-DYLD/DynamicLoaderPOSIXDYLD.cpp

Show First 20 Lines • Show All 114 Lines • ▼ Show 20 Lines	DynamicLoaderPOSIXDYLD::DidAttach()
Log *log (GetLogIfAnyCategoriesSet(LIBLLDB_LOG_DYNAMIC_LOADER));		Log *log (GetLogIfAnyCategoriesSet(LIBLLDB_LOG_DYNAMIC_LOADER));
if (log)		if (log)
log->Printf ("DynamicLoaderPOSIXDYLD::%s() pid %" PRIu64, __FUNCTION__, m_process ? m_process->GetID () : LLDB_INVALID_PROCESS_ID);		log->Printf ("DynamicLoaderPOSIXDYLD::%s() pid %" PRIu64, __FUNCTION__, m_process ? m_process->GetID () : LLDB_INVALID_PROCESS_ID);

m_auxv.reset(new AuxVector(m_process));		m_auxv.reset(new AuxVector(m_process));
if (log)		if (log)
log->Printf ("DynamicLoaderPOSIXDYLD::%s pid %" PRIu64 " reloaded auxv data", __FUNCTION__, m_process ? m_process->GetID () : LLDB_INVALID_PROCESS_ID);		log->Printf ("DynamicLoaderPOSIXDYLD::%s pid %" PRIu64 " reloaded auxv data", __FUNCTION__, m_process ? m_process->GetID () : LLDB_INVALID_PROCESS_ID);

		// ask the process if it can load any of its own modules
		m_process->LoadModules ();

ModuleSP executable_sp = GetTargetExecutable();		ModuleSP executable_sp = GetTargetExecutable ();
ResolveExecutableModule(executable_sp);		ResolveExecutableModule (executable_sp);

		// find the main process load offset
addr_t load_offset = ComputeLoadOffset();		addr_t load_offset = ComputeLoadOffset ();
if (log)		if (log)
log->Printf ("DynamicLoaderPOSIXDYLD::%s pid %" PRIu64 " executable '%s', load_offset 0x%" PRIx64, __FUNCTION__, m_process ? m_process->GetID () : LLDB_INVALID_PROCESS_ID, executable_sp ? executable_sp->GetFileSpec().GetPath().c_str () : "<null executable>", load_offset);		log->Printf ("DynamicLoaderPOSIXDYLD::%s pid %" PRIu64 " executable '%s', load_offset 0x%" PRIx64, __FUNCTION__, m_process ? m_process->GetID () : LLDB_INVALID_PROCESS_ID, executable_sp ? executable_sp->GetFileSpec().GetPath().c_str () : "<null executable>", load_offset);

		// if we dont have a load address we cant re-base
		bool rebase_exec = (load_offset == LLDB_INVALID_ADDRESS) ? false : true;

if (executable_sp && load_offset != LLDB_INVALID_ADDRESS)		// if we have a valid executable
		if (executable_sp.get())
		{
		lldb_private::ObjectFile * obj = executable_sp->GetObjectFile();
		if (obj)
		{
		// don't rebase if the module is not an executable
		if (obj->GetType() != ObjectFile::Type::eTypeExecutable)
		rebase_exec = false;

		// don't rebase if the module already has a load address
		Target & target = m_process->GetTarget ();
		Address addr = obj->GetImageInfoAddress (&target);
		if (addr.GetLoadAddress (&target) != LLDB_INVALID_ADDRESS)
		rebase_exec = false;
		}
		}
		else
		{
		// no executable, nothing to re-base
		rebase_exec = false;
		}

		// if the target executable should be re-based
		if (rebase_exec)
{		{
ModuleList module_list;		ModuleList module_list;

module_list.Append(executable_sp);		module_list.Append(executable_sp);
if (log)		if (log)
log->Printf ("DynamicLoaderPOSIXDYLD::%s pid %" PRIu64 " added executable '%s' to module load list",		log->Printf ("DynamicLoaderPOSIXDYLD::%s pid %" PRIu64 " added executable '%s' to module load list",
__FUNCTION__,		__FUNCTION__,
m_process ? m_process->GetID () : LLDB_INVALID_PROCESS_ID,		m_process ? m_process->GetID () : LLDB_INVALID_PROCESS_ID,
▲ Show 20 Lines • Show All 392 Lines • ▼ Show 20 Lines	DynamicLoaderPOSIXDYLD::ComputeLoadOffset()
ModuleSP module = m_process->GetTarget().GetExecutableModule();		ModuleSP module = m_process->GetTarget().GetExecutableModule();
if (!module)		if (!module)
return LLDB_INVALID_ADDRESS;		return LLDB_INVALID_ADDRESS;

ObjectFile *exe = module->GetObjectFile();		ObjectFile *exe = module->GetObjectFile();
if (!exe)		if (!exe)
return LLDB_INVALID_ADDRESS;		return LLDB_INVALID_ADDRESS;

		if (exe->GetType() != ObjectFile::Type::eTypeExecutable)
		return LLDB_INVALID_ADDRESS;

Address file_entry = exe->GetEntryPointAddress();		Address file_entry = exe->GetEntryPointAddress();

if (!file_entry.IsValid())		if (!file_entry.IsValid())
return LLDB_INVALID_ADDRESS;		return LLDB_INVALID_ADDRESS;

m_load_offset = virt_entry - file_entry.GetFileAddress();		m_load_offset = virt_entry - file_entry.GetFileAddress();
return m_load_offset;		return m_load_offset;
}		}
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