int main(int argc, char** argv, char** envp)
{
if (argc < 2 || strcmp(argv[1], "-h") == 0 || strcmp(argv[1], "--help") == 0)
{
printHelp(argv[0]);
return 1;
}
if (!HasUserDirectoryStructure())
SetupUserDirectoryStructure();
std::set_terminate(terminateHandler);
sigset_t set;
sigemptyset(&set);
sigaddset(&set, SIGHUP);
sigprocmask(SIG_BLOCK, &set, NULL);
try
{
MachOObject* obj;
MachOMgr* mgr = MachOMgr::instance();
std::string executable;
executable = locateBundleExecutable(argv[1]);
argv[1] = const_cast<char*>(executable.c_str());
mgr->detectSysRootFromPath(argv[1]);
mgr->setPrintInitializers(getenv("DYLD_PRINT_INITIALIZERS") != nullptr);
mgr->setPrintLibraries(getenv("DYLD_PRINT_LIBRARIES") != nullptr);
#ifdef __arm__ // dyld_stub_binder hasn't been ported to ARM yet
mgr->setBindAtLaunch(true);
#else
mgr->setBindAtLaunch(getenv("DYLD_BIND_AT_LAUNCH") != nullptr);
#endif
mgr->setIgnoreMissingSymbols(getenv("DYLD_IGN_MISSING_SYMS") != nullptr);
mgr->setPrintSegments(getenv("DYLD_PRINT_SEGMENTS") != nullptr);
mgr->setPrintBindings(getenv("DYLD_PRINT_BINDINGS") != nullptr);
mgr->setPrintRpathExpansion(getenv("DYLD_PRINT_RPATHS") != nullptr);
if (const char* path = getenv("DYLD_LIBRARY_PATH"))
mgr->setLibraryPath(path);
if (const char* path = getenv("DYLD_ROOT_PATH"))
mgr->setSysRoot(path);
if (const char* path = getenv("DYLD_TRAMPOLINE"))
mgr->setUseTrampolines(true, path);
obj = new MachOObject(argv[1]);
if (!obj->isMainModule())
throw std::runtime_error("Not an MH_EXECUTE file");
obj->setCommandLine(argc-1, &argv[1], envp);
obj->load();
obj->run();
}
catch (const std::exception& e)
{
std::cerr << "dyld: Cannot execute binary file: " << e.what() << std::endl;
return ENOSYS;
}
}
int main(int argc, char** argv, char** envp)
{
if (argc < 2 || strcmp(argv[1], "-h") == 0 || strcmp(argv[1], "--help") == 0)
{
printHelp(argv[0]);
return 1;
}
if (!HasUserDirectoryStructure())
SetupUserDirectoryStructure();
try
{
MachOMgr* mgr = MachOMgr::instance();
std::string executable, unprefixed_argv0;
const char* pretendArgv0;
pretendArgv0 = findFakeArgv0(argv[1]);
executable = locateBundleExecutable(argv[1]);
argv[1] = const_cast<char*>(executable.c_str());
mgr->detectSysRootFromPath(argv[1]);
mgr->setPrintInitializers(getenv("DYLD_PRINT_INITIALIZERS") != nullptr);
mgr->setPrintLibraries(getenv("DYLD_PRINT_LIBRARIES") != nullptr);
#ifdef __arm__ // dyld_stub_binder hasn't been ported to ARM yet
mgr->setBindAtLaunch(true);
#else
mgr->setBindAtLaunch(getenv("DYLD_BIND_AT_LAUNCH") != nullptr);
#endif
mgr->setIgnoreMissingSymbols(getenv("DYLD_IGN_MISSING_SYMS") != nullptr);
// mgr->setIgnoreMissingDependencies(getenv("DYLD_IGN_MISSING_DEPS") != nullptr);
mgr->setPrintSegments(getenv("DYLD_PRINT_SEGMENTS") != nullptr);
mgr->setPrintBindings(getenv("DYLD_PRINT_BINDINGS") != nullptr);
mgr->setPrintRpathExpansion(getenv("DYLD_PRINT_RPATHS") != nullptr);
mgr->setForceFlatNamespace(getenv("DYLD_FORCE_FLAT_NAMESPACE") != nullptr);
if (const char* path = getenv("DYLD_LIBRARY_PATH"))
mgr->setLibraryPath(path);
if (const char* path = getenv("DYLD_ROOT_PATH"))
mgr->setSysRoot(path);
if (const char* path = getenv("DYLD_TRAMPOLINE"))
mgr->setUseTrampolines(true, path);
if (const char* path = getenv("DPREFIX"))
{
__prefix_set(path);
unprefixed_argv0 = __prefix_untranslate_path(argv[1], strlen(argv[1]));
}
if (getenv("DYLD_GDBJIT") != nullptr)
Darling::SetupGDBJIT();
if (isELF(argv[1]))
{
NativeObject* obj;
typedef int (mainPtr)(int argc, char** argv, char** envp);
mainPtr* main;
obj = new NativeObject(argv[1]);
obj->load();
NativeObject::setMainObject(obj);
main = (mainPtr*) obj->getExportedSymbol("main", false);
if (!main)
throw std::runtime_error("No entry point found in Darling-native executable");
if (pretendArgv0 != nullptr)
argv[1] = (char*) pretendArgv0;
else if (!unprefixed_argv0.empty())
argv[1] = (char*) unprefixed_argv0.c_str();
exit(main(argc-1, &argv[1], envp));
}
else
{
MachOObject* obj;
if (::mmap(0, 4096, PROT_READ|PROT_EXEC, MAP_FIXED|MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) != 0)
{
if (errno == EPERM)
{
std::cerr << "Cannot map page zero, some macOS apps may require this.\n";
std::cerr << "This problem can be fixed by running 'setcap cap_sys_rawio=ep " << pathToSelf() << "' as root.\n";
}
}
obj = new MachOObject(argv[1]);
if (!obj->isMainModule())
{
throw std::runtime_error("This is not a Mach-O executable; dynamic libraries, "
"kernel extensions and other Mach-O files cannot be executed with dyld");
}
if (pretendArgv0 != nullptr)
argv[1] = (char*) pretendArgv0;
else if (!unprefixed_argv0.empty())
argv[1] = (char*) unprefixed_argv0.c_str();
obj->setCommandLine(argc-1, &argv[1], envp);
obj->load();
obj->run();
}
}
catch (const std::exception& e)
{
std::cerr << "dyld: Cannot execute binary file: " << e.what() << std::endl;
return ENOSYS;
}
}