1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/src/cpu/x86/vm/methodHandles_x86.hpp Wed Apr 27 01:25:04 2016 +0800 1.3 @@ -0,0 +1,61 @@ 1.4 +/* 1.5 + * Copyright (c) 2010, 2012, Oracle and/or its affiliates. All rights reserved. 1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 1.7 + * 1.8 + * This code is free software; you can redistribute it and/or modify it 1.9 + * under the terms of the GNU General Public License version 2 only, as 1.10 + * published by the Free Software Foundation. 1.11 + * 1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT 1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 1.15 + * version 2 for more details (a copy is included in the LICENSE file that 1.16 + * accompanied this code). 1.17 + * 1.18 + * You should have received a copy of the GNU General Public License version 1.19 + * 2 along with this work; if not, write to the Free Software Foundation, 1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 1.21 + * 1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 1.23 + * or visit www.oracle.com if you need additional information or have any 1.24 + * questions. 1.25 + * 1.26 + */ 1.27 + 1.28 +// Platform-specific definitions for method handles. 1.29 +// These definitions are inlined into class MethodHandles. 1.30 + 1.31 +// Adapters 1.32 +enum /* platform_dependent_constants */ { 1.33 + adapter_code_size = NOT_LP64(16000 DEBUG_ONLY(+ 25000)) LP64_ONLY(32000 DEBUG_ONLY(+ 150000)) 1.34 +}; 1.35 + 1.36 +// Additional helper methods for MethodHandles code generation: 1.37 +public: 1.38 + static void load_klass_from_Class(MacroAssembler* _masm, Register klass_reg); 1.39 + 1.40 + static void verify_klass(MacroAssembler* _masm, 1.41 + Register obj, SystemDictionary::WKID klass_id, 1.42 + const char* error_message = "wrong klass") NOT_DEBUG_RETURN; 1.43 + 1.44 + static void verify_method_handle(MacroAssembler* _masm, Register mh_reg) { 1.45 + verify_klass(_masm, mh_reg, SystemDictionary::WK_KLASS_ENUM_NAME(java_lang_invoke_MethodHandle), 1.46 + "reference is a MH"); 1.47 + } 1.48 + 1.49 + static void verify_ref_kind(MacroAssembler* _masm, int ref_kind, Register member_reg, Register temp) NOT_DEBUG_RETURN; 1.50 + 1.51 + // Similar to InterpreterMacroAssembler::jump_from_interpreted. 1.52 + // Takes care of special dispatch from single stepping too. 1.53 + static void jump_from_method_handle(MacroAssembler* _masm, Register method, Register temp, 1.54 + bool for_compiler_entry); 1.55 + 1.56 + static void jump_to_lambda_form(MacroAssembler* _masm, 1.57 + Register recv, Register method_temp, 1.58 + Register temp2, 1.59 + bool for_compiler_entry); 1.60 + 1.61 + static Register saved_last_sp_register() { 1.62 + // Should be in sharedRuntime, not here. 1.63 + return LP64_ONLY(r13) NOT_LP64(rsi); 1.64 + }