src/hotspot/share/prims/whitebox.cpp
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webrev Cdiff src/hotspot/share/prims/whitebox.cpp
src/hotspot/share/prims/whitebox.cpp
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*** 971,1003 ****
#endif
}
WB_END
template <typename T>
! static bool GetVMFlag(JavaThread* thread, JNIEnv* env, jstring name, T* value, Flag::Error (*TAt)(const char*, T*, bool, bool)) {
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);
CHECK_JNI_EXCEPTION_(env, false);
! Flag::Error result = (*TAt)(flag_name, value, true, true);
env->ReleaseStringUTFChars(name, flag_name);
! return (result == Flag::SUCCESS);
}
template <typename T>
! static bool SetVMFlag(JavaThread* thread, JNIEnv* env, jstring name, T* value, Flag::Error (*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);
CHECK_JNI_EXCEPTION_(env, false);
! Flag::Error result = (*TAtPut)(flag_name, value, Flag::INTERNAL);
env->ReleaseStringUTFChars(name, flag_name);
! return (result == Flag::SUCCESS);
}
template <typename T>
static jobject box(JavaThread* thread, JNIEnv* env, Symbol* name, Symbol* sig, T value) {
ResourceMark rm(thread);
--- 971,1003 ----
#endif
}
WB_END
template <typename T>
! static bool GetVMFlag(JavaThread* thread, JNIEnv* env, jstring name, T* value, JVMFlag::Error (*TAt)(const char*, T*, bool, bool)) {
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);
CHECK_JNI_EXCEPTION_(env, false);
! JVMFlag::Error result = (*TAt)(flag_name, value, true, true);
env->ReleaseStringUTFChars(name, flag_name);
! return (result == JVMFlag::SUCCESS);
}
template <typename T>
! static bool SetVMFlag(JavaThread* thread, JNIEnv* env, jstring name, T* value, JVMFlag::Error (*TAtPut)(const char*, T*, JVMFlag::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);
CHECK_JNI_EXCEPTION_(env, false);
! JVMFlag::Error result = (*TAtPut)(flag_name, value, JVMFlag::INTERNAL);
env->ReleaseStringUTFChars(name, flag_name);
! return (result == JVMFlag::SUCCESS);
}
template <typename T>
static jobject box(JavaThread* thread, JNIEnv* env, Symbol* name, Symbol* sig, T value) {
ResourceMark rm(thread);
*** 1026,1175 ****
}*/
static jobject doubleBox(JavaThread* thread, JNIEnv* env, jdouble value) {
return box(thread, env, vmSymbols::java_lang_Double(), vmSymbols::Double_valueOf_signature(), value);
}
! static Flag* getVMFlag(JavaThread* thread, JNIEnv* env, jstring name) {
ThreadToNativeFromVM ttnfv(thread); // can't be in VM when we call JNI
const char* flag_name = env->GetStringUTFChars(name, NULL);
CHECK_JNI_EXCEPTION_(env, NULL);
! Flag* result = Flag::find_flag(flag_name, strlen(flag_name), true, true);
env->ReleaseStringUTFChars(name, flag_name);
return result;
}
WB_ENTRY(jboolean, WB_IsConstantVMFlag(JNIEnv* env, jobject o, jstring name))
! Flag* flag = getVMFlag(thread, env, name);
return (flag != NULL) && flag->is_constant_in_binary();
WB_END
WB_ENTRY(jboolean, WB_IsLockedVMFlag(JNIEnv* env, jobject o, jstring name))
! Flag* flag = getVMFlag(thread, env, name);
return (flag != NULL) && !(flag->is_unlocked() || flag->is_unlocker());
WB_END
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_GetIntVMFlag(JNIEnv* env, jobject o, jstring name))
int result;
! if (GetVMFlag <int> (thread, env, name, &result, &CommandLineFlags::intAt)) {
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_GetUintVMFlag(JNIEnv* env, jobject o, jstring name))
uint result;
! if (GetVMFlag <uint> (thread, env, name, &result, &CommandLineFlags::uintAt)) {
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_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_GetSizeTVMFlag(JNIEnv* env, jobject o, jstring name))
uintx result;
! if (GetVMFlag <size_t> (thread, env, name, &result, &CommandLineFlags::size_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_SetIntVMFlag(JNIEnv* env, jobject o, jstring name, jlong value))
int result = value;
! SetVMFlag <int> (thread, env, name, &result, &CommandLineFlags::intAtPut);
WB_END
WB_ENTRY(void, WB_SetUintVMFlag(JNIEnv* env, jobject o, jstring name, jlong value))
uint result = value;
! SetVMFlag <uint> (thread, env, name, &result, &CommandLineFlags::uintAtPut);
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_SetSizeTVMFlag(JNIEnv* env, jobject o, jstring name, jlong value))
size_t result = value;
! SetVMFlag <size_t> (thread, env, name, &result, &CommandLineFlags::size_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;
--- 1026,1175 ----
}*/
static jobject doubleBox(JavaThread* thread, JNIEnv* env, jdouble value) {
return box(thread, env, vmSymbols::java_lang_Double(), vmSymbols::Double_valueOf_signature(), value);
}
! static JVMFlag* getVMFlag(JavaThread* thread, JNIEnv* env, jstring name) {
ThreadToNativeFromVM ttnfv(thread); // can't be in VM when we call JNI
const char* flag_name = env->GetStringUTFChars(name, NULL);
CHECK_JNI_EXCEPTION_(env, NULL);
! JVMFlag* result = JVMFlag::find_flag(flag_name, strlen(flag_name), true, true);
env->ReleaseStringUTFChars(name, flag_name);
return result;
}
WB_ENTRY(jboolean, WB_IsConstantVMFlag(JNIEnv* env, jobject o, jstring name))
! JVMFlag* flag = getVMFlag(thread, env, name);
return (flag != NULL) && flag->is_constant_in_binary();
WB_END
WB_ENTRY(jboolean, WB_IsLockedVMFlag(JNIEnv* env, jobject o, jstring name))
! JVMFlag* flag = getVMFlag(thread, env, name);
return (flag != NULL) && !(flag->is_unlocked() || flag->is_unlocker());
WB_END
WB_ENTRY(jobject, WB_GetBooleanVMFlag(JNIEnv* env, jobject o, jstring name))
bool result;
! if (GetVMFlag <bool> (thread, env, name, &result, &JVMFlag::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_GetIntVMFlag(JNIEnv* env, jobject o, jstring name))
int result;
! if (GetVMFlag <int> (thread, env, name, &result, &JVMFlag::intAt)) {
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_GetUintVMFlag(JNIEnv* env, jobject o, jstring name))
uint result;
! if (GetVMFlag <uint> (thread, env, name, &result, &JVMFlag::uintAt)) {
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_GetIntxVMFlag(JNIEnv* env, jobject o, jstring name))
intx result;
! if (GetVMFlag <intx> (thread, env, name, &result, &JVMFlag::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, &JVMFlag::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, &JVMFlag::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_GetSizeTVMFlag(JNIEnv* env, jobject o, jstring name))
uintx result;
! if (GetVMFlag <size_t> (thread, env, name, &result, &JVMFlag::size_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, &JVMFlag::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, &JVMFlag::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, &JVMFlag::boolAtPut);
WB_END
WB_ENTRY(void, WB_SetIntVMFlag(JNIEnv* env, jobject o, jstring name, jlong value))
int result = value;
! SetVMFlag <int> (thread, env, name, &result, &JVMFlag::intAtPut);
WB_END
WB_ENTRY(void, WB_SetUintVMFlag(JNIEnv* env, jobject o, jstring name, jlong value))
uint result = value;
! SetVMFlag <uint> (thread, env, name, &result, &JVMFlag::uintAtPut);
WB_END
WB_ENTRY(void, WB_SetIntxVMFlag(JNIEnv* env, jobject o, jstring name, jlong value))
intx result = value;
! SetVMFlag <intx> (thread, env, name, &result, &JVMFlag::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, &JVMFlag::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, &JVMFlag::uint64_tAtPut);
WB_END
WB_ENTRY(void, WB_SetSizeTVMFlag(JNIEnv* env, jobject o, jstring name, jlong value))
size_t result = value;
! SetVMFlag <size_t> (thread, env, name, &result, &JVMFlag::size_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, &JVMFlag::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;
*** 1182,1192 ****
}
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) {
--- 1182,1192 ----
}
ccstr ccstrResult = ccstrValue;
bool needFree;
{
ThreadInVMfromNative ttvfn(thread); // back to VM
! needFree = SetVMFlag <ccstr> (thread, env, name, &ccstrResult, &JVMFlag::ccstrAtPut);
}
if (value != NULL) {
env->ReleaseStringUTFChars(value, ccstrValue);
}
if (needFree) {
src/hotspot/share/prims/whitebox.cpp
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