/*
* Copyright ( c ) 2012 , 2020 , 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_PRIMS_WHITEBOX_HPP
#define SHARE_PRIMS_WHITEBOX_HPP
#include "jni.h"
#include "memory/allocation.hpp"
#include "oops/oopsHierarchy.hpp"
#include "oops/symbol.hpp"
#include "utilities/exceptions.hpp"
#define WB_METHOD_DECLARE(result_type) extern "C" result_type JNICALL
// Unconditionally clear pedantic pending JNI checks
class ClearPendingJniExcCheck : public StackObj {
private :
JavaThread* _thread;
public :
ClearPendingJniExcCheck(JNIEnv* env) : _thread(JavaThread::thread_from_jni_environment(env)) {}
~ClearPendingJniExcCheck() {
_thread->clear_pending_jni_exception_check();
}
};
class CodeBlob;
enum class CodeBlobType;
class CodeHeap;
class JavaThread;
class WhiteBox : public AllStatic {
private :
static bool _used;
public :
static volatile bool compilation_locked;
static bool used() { return _used; }
static void set_used() { _used = true ; }
static int offset_for_field(const char * field_name, oop object,
Symbol* signature_symbol);
static const char * lookup_jstring(const char * field_name, oop object);
static bool lookup_bool(const char * field_name, oop object);
static CodeBlobType get_blob_type(const CodeBlob* code);
static CodeHeap* get_code_heap(CodeBlobType blob_type);
static CodeBlob* allocate_code_blob(int size, CodeBlobType blob_type);
static int array_bytes_to_length(size_t bytes);
static void register_methods(JNIEnv* env, jclass wbclass, JavaThread* thread,
JNINativeMethod* method_array, int method_count);
static void register_extended(JNIEnv* env, jclass wbclass, JavaThread* thread);
static bool compile_method(Method* method, int comp_level, int bci, JavaThread* THREAD);
#ifdef LINUX
static bool validate_cgroup(const char * proc_cgroups, const char * proc_self_cgroup, const char * proc_self_mountinfo, u1* cg_flags);
#endif
};
#endif // SHARE_PRIMS_WHITEBOX_HPP
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