void MachOObject::load()
{
if (isLoaded())
throw std::logic_error("Module already loaded");
if (strcmp(m_file->platform(), ARCH_NAME) != 0)
{
std::stringstream ss;
ss << "This version of Darling dyld cannot load binaries for " << m_file->platform() << ".";
throw std::runtime_error(ss.str());
}
loadSegments();
transitionState(dyld_image_state_mapped);
if (m_slide > 0)
rebase();
transitionState(dyld_image_state_rebased);
readSymbols();
readExports();
MachOMgr::instance()->add(this, isMainModule());
loadDependencies();
performRelocations();
performBinds();
transitionState(dyld_image_state_bound);
transitionState(dyld_image_state_dependents_initialized);
// registerEHSection();
if (isMainModule())
fillInProgramVars();
fillInDyldData();
setInitialSegmentProtection();
setupTLS();
MachOMgr::instance()->notifyAdd(this);
runInitializers();
transitionState(dyld_image_state_initialized);
m_file->closeFd();
if (MachOMgr::instance()->printLibraries())
std::cerr << "dyld: Loaded " << this->path() << std::endl;
}
void NativeObject::unload()
{
MachOMgr::instance()->remove(this);
if (!MachOMgr::instance()->isDestroying())
{
if (m_path.find('/') != std::string::npos)
::dlclose(m_nativeRef);
}
transitionState(dyld_image_state_terminated);
}
void MachOObject::unload()
{
if (!isLoaded())
throw std::logic_error("Module not loaded");
MachOMgr::instance()->remove(this);
teardownTLS();
runFinalizers();
if (!MachOMgr::instance()->isDestroying())
{
unloadSegments();
// unregisterEHSection();
}
for (LoadableObject* dep : m_dependencies)
dep->delRef();
m_dependencies.clear();
transitionState(dyld_image_state_terminated);
}
void NativeObject::load()
{
int flags = 0;
struct link_map* lm;
flags |= globalExports() ? RTLD_GLOBAL : RTLD_LOCAL;
//flags |= bindAllAtLoad() ? RTLD_NOW : RTLD_LAZY;
flags |= RTLD_LAZY;
if (MachOMgr::instance()->printLibraries())
std::cerr << "dyld: Loading " << m_path << std::endl;
m_nativeRef = ::dlopen(m_path.c_str(), flags);
if (!m_nativeRef)
{
const char* err = ::dlerror();
std::stringstream ss;
ss << "Failed to load native library: " << err;
throw std::runtime_error(ss.str());
}
else
{
updateName();
if (MachOMgr::instance()->printLibraries())
std::cerr << "dyld: Loaded " << m_path << std::endl;
MachOMgr::instance()->add(this);
}
if (::dlinfo(m_nativeRef, RTLD_DI_LINKMAP, &lm) == 0)
m_baseAddress = (void*) lm->l_addr;
transitionState(dyld_image_state_mapped);
transitionState(dyld_image_state_dependents_mapped);
transitionState(dyld_image_state_rebased);
transitionState(dyld_image_state_bound);
transitionState(dyld_image_state_dependents_initialized);
transitionState(dyld_image_state_initialized);
}