1 /* 2 * Copyright (c) 2015, 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 25 #ifndef CPU_X86_VM_C2_SAFEPOINTTABLE_x86_64_HPP 26 #define CPU_X86_VM_C2_SAFEPOINTTABLE_x86_64_HPP 27 28 #define THREAD_LOCAL_SAFEPOINT_SUPPORT 1 29 30 #include "asm/macroAssembler.hpp" 31 #include "utilities/growableArray.hpp" 32 33 class ThreadLocalSafepointTable { 34 private: 35 struct ThreadLocalSafepointEntry : public ResourceObj { 36 InternalAddress _safepoint_addr; 37 Label _stub_label; 38 bool _is_return; 39 ThreadLocalSafepointEntry(InternalAddress safepoint_addr, bool is_return) : _safepoint_addr(safepoint_addr), _is_return(is_return) {} 40 }; 41 GrowableArray<ThreadLocalSafepointEntry*> _safepoints; 42 43 public: 44 Label &add_safepoint(InternalAddress safepoint_addr, bool is_return); 45 46 int stub_size(); 47 void emit(CodeBuffer &cb, bool has_wide_vectors); 48 }; 49 50 #endif /* CPU_X86_VM_C2_SAFEPOINTTABLE_x86_64_HPP */