mirror of
https://github.com/openjdk/jdk.git
synced 2025-09-20 19:14:38 +02:00
8038756: new WB API :: get/setVMFlag
Reviewed-by: vlivanov, sla
This commit is contained in:
Igor Ignatyev
parent
679712201d
commit
f99eed3f24
11 changed files with 661 additions and 43 deletions
|
|
@ -503,6 +503,159 @@ WB_ENTRY(void, WB_ClearMethodState(JNIEnv* env, jobject o, jobject method))
|
|||
}
|
||||
WB_END
|
||||
|
||||
template <typename T>
|
||||
static bool GetVMFlag(JavaThread* thread, JNIEnv* env, jstring name, T* value, bool (*TAt)(const char*, T*)) {
|
||||
if (name == NULL) {
|
||||
return false;
|
||||
}
|
||||
ThreadToNativeFromVM ttnfv(thread); // can't be in VM when we call JNI
|
||||
const char* flag_name = env->GetStringUTFChars(name, NULL);
|
||||
bool result = (*TAt)(flag_name, value);
|
||||
env->ReleaseStringUTFChars(name, flag_name);
|
||||
return result;
|
||||
}
|
||||
|
||||
template <typename T>
|
||||
static bool SetVMFlag(JavaThread* thread, JNIEnv* env, jstring name, T* value, bool (*TAtPut)(const char*, T*, Flag::Flags)) {
|
||||
if (name == NULL) {
|
||||
return false;
|
||||
}
|
||||
ThreadToNativeFromVM ttnfv(thread); // can't be in VM when we call JNI
|
||||
const char* flag_name = env->GetStringUTFChars(name, NULL);
|
||||
bool result = (*TAtPut)(flag_name, value, Flag::INTERNAL);
|
||||
env->ReleaseStringUTFChars(name, flag_name);
|
||||
return result;
|
||||
}
|
||||
|
||||
template <typename T>
|
||||
static jobject box(JavaThread* thread, JNIEnv* env, Symbol* name, Symbol* sig, T value) {
|
||||
ResourceMark rm(thread);
|
||||
jclass clazz = env->FindClass(name->as_C_string());
|
||||
CHECK_JNI_EXCEPTION_(env, NULL);
|
||||
jmethodID methodID = env->GetStaticMethodID(clazz,
|
||||
vmSymbols::valueOf_name()->as_C_string(),
|
||||
sig->as_C_string());
|
||||
CHECK_JNI_EXCEPTION_(env, NULL);
|
||||
jobject result = env->CallStaticObjectMethod(clazz, methodID, value);
|
||||
CHECK_JNI_EXCEPTION_(env, NULL);
|
||||
return result;
|
||||
}
|
||||
|
||||
static jobject booleanBox(JavaThread* thread, JNIEnv* env, jboolean value) {
|
||||
return box(thread, env, vmSymbols::java_lang_Boolean(), vmSymbols::Boolean_valueOf_signature(), value);
|
||||
}
|
||||
static jobject integerBox(JavaThread* thread, JNIEnv* env, jint value) {
|
||||
return box(thread, env, vmSymbols::java_lang_Integer(), vmSymbols::Integer_valueOf_signature(), value);
|
||||
}
|
||||
static jobject longBox(JavaThread* thread, JNIEnv* env, jlong value) {
|
||||
return box(thread, env, vmSymbols::java_lang_Long(), vmSymbols::Long_valueOf_signature(), value);
|
||||
}
|
||||
/* static jobject floatBox(JavaThread* thread, JNIEnv* env, jfloat value) {
|
||||
return box(thread, env, vmSymbols::java_lang_Float(), vmSymbols::Float_valueOf_signature(), value);
|
||||
}*/
|
||||
static jobject doubleBox(JavaThread* thread, JNIEnv* env, jdouble value) {
|
||||
return box(thread, env, vmSymbols::java_lang_Double(), vmSymbols::Double_valueOf_signature(), value);
|
||||
}
|
||||
|
||||
WB_ENTRY(jobject, WB_GetBooleanVMFlag(JNIEnv* env, jobject o, jstring name))
|
||||
bool result;
|
||||
if (GetVMFlag <bool> (thread, env, name, &result, &CommandLineFlags::boolAt)) {
|
||||
ThreadToNativeFromVM ttnfv(thread); // can't be in VM when we call JNI
|
||||
return booleanBox(thread, env, result);
|
||||
}
|
||||
return NULL;
|
||||
WB_END
|
||||
|
||||
WB_ENTRY(jobject, WB_GetIntxVMFlag(JNIEnv* env, jobject o, jstring name))
|
||||
intx result;
|
||||
if (GetVMFlag <intx> (thread, env, name, &result, &CommandLineFlags::intxAt)) {
|
||||
ThreadToNativeFromVM ttnfv(thread); // can't be in VM when we call JNI
|
||||
return longBox(thread, env, result);
|
||||
}
|
||||
return NULL;
|
||||
WB_END
|
||||
|
||||
WB_ENTRY(jobject, WB_GetUintxVMFlag(JNIEnv* env, jobject o, jstring name))
|
||||
uintx result;
|
||||
if (GetVMFlag <uintx> (thread, env, name, &result, &CommandLineFlags::uintxAt)) {
|
||||
ThreadToNativeFromVM ttnfv(thread); // can't be in VM when we call JNI
|
||||
return longBox(thread, env, result);
|
||||
}
|
||||
return NULL;
|
||||
WB_END
|
||||
|
||||
WB_ENTRY(jobject, WB_GetUint64VMFlag(JNIEnv* env, jobject o, jstring name))
|
||||
uint64_t result;
|
||||
if (GetVMFlag <uint64_t> (thread, env, name, &result, &CommandLineFlags::uint64_tAt)) {
|
||||
ThreadToNativeFromVM ttnfv(thread); // can't be in VM when we call JNI
|
||||
return longBox(thread, env, result);
|
||||
}
|
||||
return NULL;
|
||||
WB_END
|
||||
|
||||
WB_ENTRY(jobject, WB_GetDoubleVMFlag(JNIEnv* env, jobject o, jstring name))
|
||||
double result;
|
||||
if (GetVMFlag <double> (thread, env, name, &result, &CommandLineFlags::doubleAt)) {
|
||||
ThreadToNativeFromVM ttnfv(thread); // can't be in VM when we call JNI
|
||||
return doubleBox(thread, env, result);
|
||||
}
|
||||
return NULL;
|
||||
WB_END
|
||||
|
||||
WB_ENTRY(jstring, WB_GetStringVMFlag(JNIEnv* env, jobject o, jstring name))
|
||||
ccstr ccstrResult;
|
||||
if (GetVMFlag <ccstr> (thread, env, name, &ccstrResult, &CommandLineFlags::ccstrAt)) {
|
||||
ThreadToNativeFromVM ttnfv(thread); // can't be in VM when we call JNI
|
||||
jstring result = env->NewStringUTF(ccstrResult);
|
||||
CHECK_JNI_EXCEPTION_(env, NULL);
|
||||
return result;
|
||||
}
|
||||
return NULL;
|
||||
WB_END
|
||||
|
||||
WB_ENTRY(void, WB_SetBooleanVMFlag(JNIEnv* env, jobject o, jstring name, jboolean value))
|
||||
bool result = value == JNI_TRUE ? true : false;
|
||||
SetVMFlag <bool> (thread, env, name, &result, &CommandLineFlags::boolAtPut);
|
||||
WB_END
|
||||
|
||||
WB_ENTRY(void, WB_SetIntxVMFlag(JNIEnv* env, jobject o, jstring name, jlong value))
|
||||
intx result = value;
|
||||
SetVMFlag <intx> (thread, env, name, &result, &CommandLineFlags::intxAtPut);
|
||||
WB_END
|
||||
|
||||
WB_ENTRY(void, WB_SetUintxVMFlag(JNIEnv* env, jobject o, jstring name, jlong value))
|
||||
uintx result = value;
|
||||
SetVMFlag <uintx> (thread, env, name, &result, &CommandLineFlags::uintxAtPut);
|
||||
WB_END
|
||||
|
||||
WB_ENTRY(void, WB_SetUint64VMFlag(JNIEnv* env, jobject o, jstring name, jlong value))
|
||||
uint64_t result = value;
|
||||
SetVMFlag <uint64_t> (thread, env, name, &result, &CommandLineFlags::uint64_tAtPut);
|
||||
WB_END
|
||||
|
||||
WB_ENTRY(void, WB_SetDoubleVMFlag(JNIEnv* env, jobject o, jstring name, jdouble value))
|
||||
double result = value;
|
||||
SetVMFlag <double> (thread, env, name, &result, &CommandLineFlags::doubleAtPut);
|
||||
WB_END
|
||||
|
||||
WB_ENTRY(void, WB_SetStringVMFlag(JNIEnv* env, jobject o, jstring name, jstring value))
|
||||
ThreadToNativeFromVM ttnfv(thread); // can't be in VM when we call JNI
|
||||
const char* ccstrValue = (value == NULL) ? NULL : env->GetStringUTFChars(value, NULL);
|
||||
ccstr ccstrResult = ccstrValue;
|
||||
bool needFree;
|
||||
{
|
||||
ThreadInVMfromNative ttvfn(thread); // back to VM
|
||||
needFree = SetVMFlag <ccstr> (thread, env, name, &ccstrResult, &CommandLineFlags::ccstrAtPut);
|
||||
}
|
||||
if (value != NULL) {
|
||||
env->ReleaseStringUTFChars(value, ccstrValue);
|
||||
}
|
||||
if (needFree) {
|
||||
FREE_C_HEAP_ARRAY(char, ccstrResult, mtInternal);
|
||||
}
|
||||
WB_END
|
||||
|
||||
|
||||
WB_ENTRY(jboolean, WB_IsInStringTable(JNIEnv* env, jobject o, jstring javaString))
|
||||
ResourceMark rm(THREAD);
|
||||
int len;
|
||||
|
|
@ -561,11 +714,7 @@ WB_ENTRY(jobjectArray, WB_GetNMethod(JNIEnv* env, jobject o, jobject method, jbo
|
|||
return result;
|
||||
}
|
||||
|
||||
clazz = env->FindClass(vmSymbols::java_lang_Integer()->as_C_string());
|
||||
CHECK_JNI_EXCEPTION_(env, NULL);
|
||||
jmethodID constructor = env->GetMethodID(clazz, vmSymbols::object_initializer_name()->as_C_string(), vmSymbols::int_void_signature()->as_C_string());
|
||||
CHECK_JNI_EXCEPTION_(env, NULL);
|
||||
jobject obj = env->NewObject(clazz, constructor, code->comp_level());
|
||||
jobject obj = integerBox(thread, env, code->comp_level());
|
||||
CHECK_JNI_EXCEPTION_(env, NULL);
|
||||
env->SetObjectArrayElement(result, 0, obj);
|
||||
|
||||
|
|
@ -695,7 +844,26 @@ static JNINativeMethod methods[] = {
|
|||
CC"(Ljava/lang/reflect/Executable;II)Z", (void*)&WB_EnqueueMethodForCompilation},
|
||||
{CC"clearMethodState",
|
||||
CC"(Ljava/lang/reflect/Executable;)V", (void*)&WB_ClearMethodState},
|
||||
{CC"isInStringTable", CC"(Ljava/lang/String;)Z", (void*)&WB_IsInStringTable },
|
||||
{CC"setBooleanVMFlag", CC"(Ljava/lang/String;Z)V",(void*)&WB_SetBooleanVMFlag},
|
||||
{CC"setIntxVMFlag", CC"(Ljava/lang/String;J)V",(void*)&WB_SetIntxVMFlag},
|
||||
{CC"setUintxVMFlag", CC"(Ljava/lang/String;J)V",(void*)&WB_SetUintxVMFlag},
|
||||
{CC"setUint64VMFlag", CC"(Ljava/lang/String;J)V",(void*)&WB_SetUint64VMFlag},
|
||||
{CC"setDoubleVMFlag", CC"(Ljava/lang/String;D)V",(void*)&WB_SetDoubleVMFlag},
|
||||
{CC"setStringVMFlag", CC"(Ljava/lang/String;Ljava/lang/String;)V",
|
||||
(void*)&WB_SetStringVMFlag},
|
||||
{CC"getBooleanVMFlag", CC"(Ljava/lang/String;)Ljava/lang/Boolean;",
|
||||
(void*)&WB_GetBooleanVMFlag},
|
||||
{CC"getIntxVMFlag", CC"(Ljava/lang/String;)Ljava/lang/Long;",
|
||||
(void*)&WB_GetIntxVMFlag},
|
||||
{CC"getUintxVMFlag", CC"(Ljava/lang/String;)Ljava/lang/Long;",
|
||||
(void*)&WB_GetUintxVMFlag},
|
||||
{CC"getUint64VMFlag", CC"(Ljava/lang/String;)Ljava/lang/Long;",
|
||||
(void*)&WB_GetUint64VMFlag},
|
||||
{CC"getDoubleVMFlag", CC"(Ljava/lang/String;)Ljava/lang/Double;",
|
||||
(void*)&WB_GetDoubleVMFlag},
|
||||
{CC"getStringVMFlag", CC"(Ljava/lang/String;)Ljava/lang/String;",
|
||||
(void*)&WB_GetStringVMFlag},
|
||||
{CC"isInStringTable", CC"(Ljava/lang/String;)Z", (void*)&WB_IsInStringTable },
|
||||
{CC"fullGC", CC"()V", (void*)&WB_FullGC },
|
||||
{CC"readReservedMemory", CC"()V", (void*)&WB_ReadReservedMemory },
|
||||
{CC"getCPUFeatures", CC"()Ljava/lang/String;", (void*)&WB_GetCPUFeatures },
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue