void Extension::loadSystemlib() {
std::string hhas, slib;
if (m_dsoName.empty()) {
std::string section("systemlib.ext.");
section += m_name.data();
slib = get_systemlib(&hhas, section);
} else {
slib = get_systemlib(&hhas, "systemlib", m_dsoName);
}
if (!slib.empty()) {
std::string phpname("systemlib.php.");
phpname += m_name.data();
CompileSystemlib(slib, phpname);
}
if (!hhas.empty()) {
std::string hhasname("systemlib.hhas.");
hhasname += m_name.data();
CompileSystemlib(hhas, hhasname);
}
}
/**
* Loads a named systemlib section from the main binary (or DSO)
* using the label "ext.{hash(name)}"
*
* If {name} is not passed, then {m_name} is assumed for
* builtin extensions. DSOs pull from the fixed "systemlib" label
*/
void Extension::loadSystemlib(const std::string& name /*= "" */) {
std::string hhas, slib;
if (m_dsoName.empty() || !name.empty()) {
std::string section("ext.");
section += f_md5(name.empty() ? m_name : name, false).substr(0, 12).data();
slib = get_systemlib(&hhas, section);
} else {
slib = get_systemlib(&hhas, "systemlib", m_dsoName);
}
if (!slib.empty()) {
std::string phpname("systemlib.php.");
phpname += m_name.data();
CompileSystemlib(slib, phpname);
}
if (!hhas.empty()) {
std::string hhasname("systemlib.hhas.");
hhasname += m_name.data();
CompileSystemlib(hhas, hhasname);
}
}
RepoWrapper::RepoWrapper(const char* repoSchema,
const std::string& configFile) {
if (setenv("HHVM_RUNTIME_REPO_SCHEMA", repoSchema, 1 /* overwrite */)) {
fprintf(stderr, "Could not set repo schema");
exit(EXIT_FAILURE);
}
printf("# Config file: %s\n", configFile.c_str());
printf("# Repo schema: %s\n", repoSchemaId().begin());
register_process_init();
initialize_repo();
hphp_thread_init();
g_context.getCheck();
IniSetting::Map ini = IniSetting::Map::object;
Hdf config;
if (!configFile.empty()) {
Config::ParseConfigFile(configFile, ini, config);
// Disable logging to suppress harmless errors about setrlimit.
config["Log"]["Level"] = "None";
}
RuntimeOption::Load(ini, config);
RuntimeOption::RepoCommit = false;
compile_file(nullptr, 0, MD5(), nullptr);
repo = &Repo::get();
RuntimeOption::AlwaysUseRelativePath = false;
RuntimeOption::SafeFileAccess = false;
RuntimeOption::EvalAllowHhas = true;
Option::WholeProgram = false;
LitstrTable::init();
LitstrTable::get().setWriting();
RuntimeOption::RepoAuthoritative = true;
repo->loadGlobalData(true /* allowFailure */);
std::string hhasLib;
auto const phpLib = get_systemlib(&hhasLib);
always_assert(!hhasLib.empty() && !phpLib.empty());
auto phpUnit = compile_string(phpLib.c_str(), phpLib.size(),
"systemlib.php");
addUnit(phpUnit);
auto hhasUnit = compile_string(hhasLib.c_str(), hhasLib.size(),
"systemlib.hhas");
addUnit(hhasUnit);
SystemLib::s_inited = true;
LitstrTable::get().setReading();
}
/**
* Loads a named systemlib section from the main binary (or DSO)
* using the label "ext.{hash(name)}"
*
* If {name} is not passed, then {m_name} is assumed.
*/
void Extension::loadSystemlib(const std::string& name) {
std::string n = name.empty() ?
std::string(m_name.data(), m_name.size()) : name;
std::string section("ext.");
section += f_md5(n, false).substr(0, 12).data();
std::string hhas;
std::string slib = get_systemlib(&hhas, section, m_dsoName);
if (!slib.empty()) {
std::string phpname = s_systemlibPhpName + n;
CompileSystemlib(slib, phpname);
}
if (!hhas.empty()) {
std::string hhasname = s_systemlibHhasName + n;
CompileSystemlib(hhas, hhasname);
}
}
/**
* Loads a named systemlib section from the main binary (or DSO)
* using the label "ext.{hash(name)}"
*
* If {name} is not passed, then {m_name} is assumed.
*/
void Extension::loadSystemlib(const std::string& name) {
std::string n = name.empty() ?
std::string(m_name.data(), m_name.size()) : name;
#if defined(__CYGWIN__) || defined(__MINGW__) || defined(_MSC_VER)
std::string section("ext_");
#else
std::string section("ext.");
#endif
section += HHVM_FN(md5)(n, false).substr(0, 12).data();
std::string hhas;
std::string slib = get_systemlib(&hhas, section, m_dsoName);
if (!slib.empty()) {
std::string phpname = s_systemlibPhpName + n;
CompileSystemlib(slib, phpname);
}
if (!hhas.empty()) {
std::string hhasname = s_systemlibHhasName + n;
CompileSystemlib(hhas, hhasname);
}
}
void ProcessInit() {
// Install VM's ClassInfoHook
ClassInfo::SetHook(&vm_class_info_hook);
// ensure that nextTx64 and tx64 are set
(void)Transl::Translator::Get();
// Save the current options, and set things up so that
// systemlib.php can be read from and stored in the
// normal repo.
int db = RuntimeOption::EvalDumpBytecode;
bool rp = RuntimeOption::AlwaysUseRelativePath;
bool sf = RuntimeOption::SafeFileAccess;
bool ah = RuntimeOption::EvalAllowHhas;
RuntimeOption::EvalDumpBytecode &= ~1;
RuntimeOption::AlwaysUseRelativePath = false;
RuntimeOption::SafeFileAccess = false;
RuntimeOption::EvalAllowHhas = true;
Transl::TargetCache::requestInit();
string hhas;
string slib = get_systemlib(&hhas);
if (slib.empty()) {
// Die a horrible death.
Logger::Error("Unable to find/load systemlib.php");
_exit(1);
}
// Save this in case the debugger needs it. Once we know if this
// process does not have debugger support, we'll clear it.
SystemLib::s_source = slib;
SystemLib::s_unit = compile_string(slib.c_str(), slib.size(),
"systemlib.php");
if (!hhas.empty()) {
SystemLib::s_hhas_unit = compile_string(hhas.c_str(), hhas.size(),
"systemlib.hhas");
}
// Load the systemlib unit to build the Class objects
SystemLib::s_unit->merge();
if (SystemLib::s_hhas_unit) {
SystemLib::s_hhas_unit->merge();
}
SystemLib::s_nativeFuncUnit = build_native_func_unit(hhbc_ext_funcs,
hhbc_ext_funcs_count);
SystemLib::s_nativeFuncUnit->merge();
SystemLib::s_nullFunc =
Unit::lookupFunc(makeStaticString("86null"));
// We call a special bytecode emitter function to build the native
// unit which will contain all of our cppext functions and classes.
// Each function and method will have a bytecode body that will thunk
// to the native implementation.
Unit* nativeClassUnit = build_native_class_unit(hhbc_ext_classes,
hhbc_ext_class_count);
SystemLib::s_nativeClassUnit = nativeClassUnit;
// Load the nativelib unit to build the Class objects
SystemLib::s_nativeClassUnit->merge();
#define INIT_SYSTEMLIB_CLASS_FIELD(cls) \
{ \
Class *cls = Unit::GetNamedEntity(s_##cls.get())->clsList(); \
assert(!hhbc_ext_class_count || cls); \
SystemLib::s_##cls##Class = cls; \
}
// Stash a pointer to the VM Classes for stdclass, Exception,
// pinitSentinel and resource
SYSTEMLIB_CLASSES(INIT_SYSTEMLIB_CLASS_FIELD)
#undef INIT_SYSTEMLIB_CLASS_FIELD
// Retrieve all of the class pointers
for (long long i = 0; i < hhbc_ext_class_count; ++i) {
const HhbcExtClassInfo* info = hhbc_ext_classes + i;
const StringData* name = makeStaticString(info->m_name);
const NamedEntity* ne = Unit::GetNamedEntity(name);
Class* cls = Unit::lookupClass(ne);
assert(cls);
*(info->m_clsPtr) = cls;
}
ClassInfo::InitializeSystemConstants();
Stack::ValidateStackSize();
SystemLib::s_inited = true;
RuntimeOption::AlwaysUseRelativePath = rp;
RuntimeOption::SafeFileAccess = sf;
RuntimeOption::EvalDumpBytecode = db;
RuntimeOption::EvalAllowHhas = ah;
}
void ProcessInit() {
// Create the global mcg object
jit::mcg = new jit::MCGenerator();
jit::mcg->initUniqueStubs();
// Save the current options, and set things up so that
// systemlib.php can be read from and stored in the
// normal repo.
int db = RuntimeOption::EvalDumpBytecode;
bool rp = RuntimeOption::AlwaysUseRelativePath;
bool sf = RuntimeOption::SafeFileAccess;
bool ah = RuntimeOption::EvalAllowHhas;
bool wp = Option::WholeProgram;
RuntimeOption::EvalDumpBytecode &= ~1;
RuntimeOption::AlwaysUseRelativePath = false;
RuntimeOption::SafeFileAccess = false;
RuntimeOption::EvalAllowHhas = true;
Option::WholeProgram = false;
RDS::requestInit();
string hhas;
string slib = get_systemlib(&hhas);
if (slib.empty()) {
// Die a horrible death.
Logger::Error("Unable to find/load systemlib.php");
_exit(1);
}
LitstrTable::init();
LitstrTable::get().setWriting();
Repo::get().loadGlobalData();
// Save this in case the debugger needs it. Once we know if this
// process does not have debugger support, we'll clear it.
SystemLib::s_source = slib;
SystemLib::s_unit = compile_systemlib_string(slib.c_str(), slib.size(),
"systemlib.php");
const StringData* msg;
int line;
if (SystemLib::s_unit->compileTimeFatal(msg, line)) {
Logger::Error("An error has been introduced into the systemlib, "
"but we cannot give you a file and line number right now.");
Logger::Error("Check all of your changes to hphp/system/php");
Logger::Error("HipHop Parse Error: %s", msg->data());
_exit(1);
}
if (!hhas.empty()) {
SystemLib::s_hhas_unit = compile_string(hhas.c_str(), hhas.size(),
"systemlib.hhas");
if (SystemLib::s_hhas_unit->compileTimeFatal(msg, line)) {
Logger::Error("An error has been introduced in the hhas portion of "
"systemlib.");
Logger::Error("Check all of your changes to hhas files in "
"hphp/system/php");
Logger::Error("HipHop Parse Error: %s", msg->data());
_exit(1);
}
}
// Load the systemlib unit to build the Class objects
SystemLib::s_unit->merge();
if (SystemLib::s_hhas_unit) {
SystemLib::s_hhas_unit->merge();
}
SystemLib::s_nativeFuncUnit = build_native_func_unit(hhbc_ext_funcs,
hhbc_ext_funcs_count);
SystemLib::s_nativeFuncUnit->merge();
SystemLib::s_nullFunc =
Unit::lookupFunc(makeStaticString("86null"));
// We call a special bytecode emitter function to build the native
// unit which will contain all of our cppext functions and classes.
// Each function and method will have a bytecode body that will thunk
// to the native implementation.
Unit* nativeClassUnit = build_native_class_unit(hhbc_ext_classes,
hhbc_ext_class_count);
SystemLib::s_nativeClassUnit = nativeClassUnit;
LitstrTable::get().setReading();
// Load the nativelib unit to build the Class objects
SystemLib::s_nativeClassUnit->merge();
#define INIT_SYSTEMLIB_CLASS_FIELD(cls) \
{ \
Class *cls = NamedEntity::get(s_##cls.get())->clsList(); \
assert(!hhbc_ext_class_count || cls); \
SystemLib::s_##cls##Class = cls; \
}
// Stash a pointer to the VM Classes for stdclass, Exception,
// pinitSentinel and resource
SYSTEMLIB_CLASSES(INIT_SYSTEMLIB_CLASS_FIELD)
#undef INIT_SYSTEMLIB_CLASS_FIELD
// Retrieve all of the class pointers
for (long long i = 0; i < hhbc_ext_class_count; ++i) {
const HhbcExtClassInfo* info = hhbc_ext_classes + i;
const StringData* name = makeStaticString(info->m_name);
const NamedEntity* ne = NamedEntity::get(name);
Class* cls = Unit::lookupClass(ne);
assert(cls);
*(info->m_clsPtr) = cls;
}
ClassInfo::InitializeSystemConstants();
Stack::ValidateStackSize();
SystemLib::s_inited = true;
RuntimeOption::AlwaysUseRelativePath = rp;
RuntimeOption::SafeFileAccess = sf;
RuntimeOption::EvalDumpBytecode = db;
RuntimeOption::EvalAllowHhas = ah;
Option::WholeProgram = wp;
folly::SingletonVault::singleton()->registrationComplete();
}