1 /* 2 * Copyright (c) 2020, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 #ifndef SHARE_VM_PRIMS_UNIVERSALNATIVEINVOKER_HPP 25 #define SHARE_VM_PRIMS_UNIVERSALNATIVEINVOKER_HPP 26 27 #include "runtime/stubCodeGenerator.hpp" 28 #include "prims/foreign_globals.hpp" 29 30 class ProgrammableInvoker: AllStatic { 31 private: 32 static constexpr CodeBuffer::csize_t native_invoker_size = 1024; 33 34 class Generator : StubCodeGenerator { 35 private: 36 const ABIDescriptor* _abi; 37 const BufferLayout* _layout; 38 public: 39 Generator(CodeBuffer* code, const ABIDescriptor* abi, const BufferLayout* layout); 40 41 void generate(); 42 }; 43 public: 44 using Stub = void(*)(address); 45 46 static void invoke_native(Stub stub, address buff, JavaThread* thread); 47 static address generate_adapter(jobject abi, jobject layout); 48 }; 49 50 #endif // SHARE_VM_PRIMS_UNIVERSALNATIVEINVOKER_HPP 51