/*
* Copyright ( c ) 2017 , 2019 , Oracle and / or its affiliates . All rights reserved .
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER .
*
* This code is free software ; you can redistribute it and / or modify it
* under the terms of the GNU General Public License version 2 only , as
* published by the Free Software Foundation .
*
* This code is distributed in the hope that it will be useful , but WITHOUT
* ANY WARRANTY ; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE . See the GNU General Public License
* version 2 for more details ( a copy is included in the LICENSE file that
* accompanied this code ) .
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work ; if not , write to the Free Software Foundation ,
* Inc . , 51 Franklin St , Fifth Floor , Boston , MA 02110 - 1301 USA .
*
* Please contact Oracle , 500 Oracle Parkway , Redwood Shores , CA 94065 USA
* or visit www . oracle . com if you need additional information or have any
* questions .
*
*/
#ifndef SHARE_JFR_JNI_JFRJAVACALL_HPP
#define SHARE_JFR_JNI_JFRJAVACALL_HPP
#include "jfr/utilities/jfrAllocation.hpp"
#include "jni.h"
#include "utilities/exceptions.hpp"
#include "utilities/globalDefinitions.hpp"
class JavaCallArguments;
class JavaThread;
class JavaValue;
class Klass;
class Symbol;
class JfrJavaArguments : public StackObj {
friend class JfrJavaCall;
public :
JfrJavaArguments(JavaValue* result);
JfrJavaArguments(JavaValue* result, const char* klass_name, const char* name, const char* signature, TRAPS);
JfrJavaArguments(JavaValue* result, const Klass* klass, const Symbol* name, const Symbol* signature);
Klass* klass() const ;
void set_klass(const char* klass_name, TRAPS);
void set_klass(const Klass* klass);
Symbol* name() const ;
void set_name(const char* name);
void set_name(const Symbol* name);
Symbol* signature() const ;
void set_signature(const char* signature);
void set_signature(const Symbol* signature);
int array_length() const ;
void set_array_length(int length);
JavaValue* result() const ;
bool has_receiver() const ;
void set_receiver(const oop receiver);
void set_receiver(Handle receiver);
oop receiver() const ;
// parameters
void push_oop(const oop obj);
void push_oop(Handle h_obj);
void push_jobject(jobject h);
void push_int(jint i);
void push_double(jdouble d);
void push_long(jlong l);
void push_float(jfloat f);
int length() const ;
const JavaValue& param(int idx) const ;
private :
class Parameters {
friend class JfrJavaArguments;
private :
enum { SIZE = 16 };
JavaValue _storage[SIZE];
int _storage_index;
int _java_stack_slots;
Parameters();
NONCOPYABLE(Parameters);
void push(const JavaValue& value);
void push_large(const JavaValue& value);
void push_oop(const oop obj);
void push_oop(Handle h_obj);
void push_jobject(jobject h);
void push_jint(jint i);
void push_jdouble(jdouble d);
void push_jlong(jlong l);
void push_jfloat(jfloat f);
bool has_receiver() const ;
void set_receiver(const oop receiver);
void set_receiver(Handle receiver);
oop receiver() const ;
int length() const ;
int java_stack_slots() const ;
void copy(JavaCallArguments& args, TRAPS) const ;
const JavaValue& values(int idx) const ;
};
Parameters _params;
const JavaValue* const _result;
const Klass* _klass;
const Symbol* _name;
const Symbol* _signature;
int _array_length;
int java_call_arg_slots() const ;
void copy(JavaCallArguments& args, TRAPS);
};
class JfrJavaCall : public AllStatic {
friend class JfrJavaSupport;
private :
static void call_static(JfrJavaArguments* args, TRAPS);
static void call_special(JfrJavaArguments* args, TRAPS);
static void call_virtual(JfrJavaArguments* args, TRAPS);
};
#endif // SHARE_JFR_JNI_JFRJAVACALL_HPP
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