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_UNIVERSALUPCALLHANDLER_HPP 25 #define SHARE_VM_PRIMS_UNIVERSALUPCALLHANDLER_HPP 26 27 #include "asm/codeBuffer.hpp" 28 #include "code/codeBlob.hpp" 29 #include "prims/foreign_globals.hpp" 30 31 class JavaThread; 32 33 class ProgrammableUpcallHandler { 34 private: 35 static void handle_uncaught_exception(oop exception); 36 static JavaThread* maybe_attach_and_get_thread(); 37 static void detach_current_thread(); 38 39 static JavaThread* on_entry(OptimizedEntryBlob::FrameData* context); 40 static void on_exit(OptimizedEntryBlob::FrameData* context); 41 public: 42 static address generate_optimized_upcall_stub(jobject mh, Method* entry, 43 BasicType* in_sig_bt, int total_in_args, 44 BasicType* out_sig_bt, int total_out_args, 45 BasicType ret_type, 46 jobject jabi, jobject jconv, 47 bool needs_return_buffer, int ret_buf_size); 48 }; 49 50 #endif // SHARE_VM_PRIMS_UNIVERSALUPCALLHANDLER_HPP