// Notify the given JIT whenever this method is recompiled or initially compiled.
// The callback_data pointer will be passed back to the JIT during the callback.
// The JIT's callback function is JIT_recompiled_method_callback.
void Method::register_jit_recompiled_method_callback(JIT *jit_to_be_notified,
Method* caller,
void *callback_data)
{
// Don't insert the same entry repeatedly on the _notify_recompiled_records list.
Method_Change_Notification_Record *nr = _notify_recompiled_records;
while (nr != NULL) {
if (nr->equals(jit_to_be_notified, callback_data)) {
return;
}
nr = nr->next;
}
// Insert a new notification record.
Method_Change_Notification_Record *new_nr =
(Method_Change_Notification_Record *)STD_MALLOC(sizeof(Method_Change_Notification_Record));
new_nr->caller = caller;
new_nr->jit = jit_to_be_notified;
new_nr->callback_data = callback_data;
new_nr->next = _notify_recompiled_records;
_notify_recompiled_records = new_nr;
// Record a callback in the caller method to let it unregister itself if unloaded.
ClassLoader* this_loader = get_class()->get_class_loader();
ClassLoader* caller_loader = caller->get_class()->get_class_loader();
if (this_loader == caller_loader || caller_loader->IsBootstrap()) return;
MethodSet *vec = caller->_recompilation_callbacks;
if (vec == NULL) {
vec = caller->_recompilation_callbacks = new MethodSet();
}
vec->push_back(this);
} //Method::register_jit_recompiled_method_callback
void Options::setIsAltJit() {
// Initial state is that we are not an alternative jit until proven otherwise;
IsAltJit = false;
// NDEBUG is !Debug
#if !defined(NDEBUG)
// DEBUG case
// Get/reuse method set that contains the altjit method value.
MethodSet *AltJit = nullptr;
if (Context->Flags & CORJIT_FLG_PREJIT) {
wchar_t *NgenStr = Context->JitInfo->getStringConfigValue(L"AltJitNgen");
std::unique_ptr<std::string> NgenUtf8 = Convert::wideToUtf8(NgenStr);
AltJitNgenMethodSet.init(std::move(NgenUtf8));
Context->JitInfo->freeStringConfigValue(NgenStr);
AltJit = &AltJitNgenMethodSet;
} else {
wchar_t *JitStr = Context->JitInfo->getStringConfigValue(L"AltJit");
// Move this to the UTIL code and ifdef it for platform
std::unique_ptr<std::string> JitUtf8 = Convert::wideToUtf8(JitStr);
AltJitMethodSet.init(std::move(JitUtf8));
Context->JitInfo->freeStringConfigValue(JitStr);
AltJit = &AltJitMethodSet;
}
#ifdef ALT_JIT
if (AltJit->contains(Context->MethodName.data(), nullptr,
Context->MethodInfo->args.pSig)) {
IsAltJit = true;
}
#endif // ALT_JIT
#else
if (Context->Flags & CORJIT_FLG_PREJIT) {
wchar_t *NgenStr = Context->JitInfo->getStringConfigValue(L"AltJitNgen");
std::unique_ptr<std::string> NgenUtf8 = Convert::wideToUtf8(NgenStr);
if (NgenUtf8->compare("*") == 0) {
IsAltJit = true;
}
} else {
wchar_t *JitStr = Context->JitInfo->getStringConfigValue(L"AltJit");
std::unique_ptr<std::string> JitUtf8 = Convert::wideToUtf8(JitStr);
if (JitUtf8->compare("*") == 0) {
IsAltJit = true;
}
}
#endif
}
bool JitOptions::queryMethodSet(LLILCJitContext &JitContext, MethodSet &TheSet,
const char16_t *Name) {
if (!TheSet.isInitialized()) {
char16_t *ConfigStr = getStringConfigValue(JitContext.JitInfo, Name);
bool NeedFree = true;
if (ConfigStr == nullptr) {
ConfigStr = (char16_t *)UTF16("");
NeedFree = false;
}
std::unique_ptr<std::string> ConfigUtf8 = Convert::utf16ToUtf8(ConfigStr);
TheSet.init(std::move(ConfigUtf8));
if (NeedFree) {
freeStringConfigValue(JitContext.JitInfo, ConfigStr);
}
}
const char *ClassName = nullptr;
const char *MethodName = nullptr;
MethodName =
JitContext.JitInfo->getMethodName(JitContext.MethodInfo->ftn, &ClassName);
bool IsInMethodSet =
TheSet.contains(MethodName, ClassName, JitContext.MethodInfo->args.pSig);
return IsInMethodSet;
}
bool JitOptions::queryIsAltJit(LLILCJitContext &Context) {
// Initial state is that we are not an alternative jit until proven otherwise;
bool IsAlternateJit = false;
// NDEBUG is !Debug
#if !defined(NDEBUG)
// DEBUG case
// Get/reuse method set that contains the altjit method value.
MethodSet *AltJit = nullptr;
if (Context.Flags & CORJIT_FLG_PREJIT) {
if (!AltJitNgenMethodSet.isInitialized()) {
char16_t *NgenStr =
getStringConfigValue(Context.JitInfo, UTF16("AltJitNgen"));
std::unique_ptr<std::string> NgenUtf8 = Convert::utf16ToUtf8(NgenStr);
AltJitNgenMethodSet.init(std::move(NgenUtf8));
freeStringConfigValue(Context.JitInfo, NgenStr);
}
// Set up AltJitNgen set to be used for AltJit test.
AltJit = &AltJitNgenMethodSet;
} else {
if (!AltJitMethodSet.isInitialized()) {
char16_t *JitStr = getStringConfigValue(Context.JitInfo, UTF16("AltJit"));
// Move this to the UTIL code and ifdef it for platform
std::unique_ptr<std::string> JitUtf8 = Convert::utf16ToUtf8(JitStr);
AltJitMethodSet.init(std::move(JitUtf8));
freeStringConfigValue(Context.JitInfo, JitStr);
}
// Set up AltJit set to be use for AltJit test.
AltJit = &AltJitMethodSet;
}
#ifdef ALT_JIT
const char *ClassName = nullptr;
const char *MethodName = nullptr;
MethodName =
Context.JitInfo->getMethodName(Context.MethodInfo->ftn, &ClassName);
IsAlternateJit =
AltJit->contains(MethodName, ClassName, Context.MethodInfo->args.pSig);
#endif // ALT_JIT
#else
if (Context.Flags & CORJIT_FLG_PREJIT) {
char16_t *NgenStr =
getStringConfigValue(Context.JitInfo, UTF16("AltJitNgen"));
std::unique_ptr<std::string> NgenUtf8 = Convert::utf16ToUtf8(NgenStr);
if (NgenUtf8->compare("*") == 0) {
IsAlternateJit = true;
}
} else {
char16_t *JitStr = getStringConfigValue(Context.JitInfo, UTF16("AltJit"));
std::unique_ptr<std::string> JitUtf8 = Convert::utf16ToUtf8(JitStr);
if (JitUtf8->compare("*") == 0) {
IsAlternateJit = true;
}
}
#endif
return IsAlternateJit;
}