1 /* 2 * Copyright (c) 1997, 2018, 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 SHARE_VM_INTERPRETER_INTERPRETERRUNTIME_HPP 26 #define SHARE_VM_INTERPRETER_INTERPRETERRUNTIME_HPP 27 28 #include "interpreter/bytecode.hpp" 29 #include "interpreter/linkResolver.hpp" 30 #include "memory/universe.hpp" 31 #include "oops/method.hpp" 32 #include "runtime/frame.hpp" 33 #include "runtime/signature.hpp" 34 #include "runtime/thread.hpp" 35 #include "utilities/macros.hpp" 36 37 // The InterpreterRuntime is called by the interpreter for everything 38 // that cannot/should not be dealt with in assembly and needs C support. 39 40 class InterpreterRuntime: AllStatic { 41 friend class BytecodeClosure; // for method and bcp 42 friend class PrintingClosure; // for method and bcp 43 44 private: 45 46 static void set_bcp_and_mdp(address bcp, JavaThread*thread); 47 static void note_trap_inner(JavaThread* thread, int reason, 48 const methodHandle& trap_method, int trap_bci, TRAPS); 49 static void note_trap(JavaThread *thread, int reason, TRAPS); 50 #ifdef CC_INTERP 51 // Profile traps in C++ interpreter. 52 static void note_trap(JavaThread* thread, int reason, Method *method, int trap_bci); 53 #endif // CC_INTERP 54 55 // Inner work method for Interpreter's frequency counter overflow. 56 static nmethod* frequency_counter_overflow_inner(JavaThread* thread, address branch_bcp); 57 58 public: 59 // Constants 60 static void ldc (JavaThread* thread, bool wide); 61 static void resolve_ldc (JavaThread* thread, Bytecodes::Code bytecode); 62 63 // Allocation 64 static void _new (JavaThread* thread, ConstantPool* pool, int index); 65 static void newarray (JavaThread* thread, BasicType type, jint size); 66 static void anewarray (JavaThread* thread, ConstantPool* pool, int index, jint size); 67 static void multianewarray(JavaThread* thread, jint* first_size_address); 68 static void register_finalizer(JavaThread* thread, oopDesc* obj); 69 70 // Quicken instance-of and check-cast bytecodes 71 static void quicken_io_cc(JavaThread* thread); 72 73 // Exceptions thrown by the interpreter 74 static void throw_AbstractMethodError(JavaThread* thread); 75 static void throw_AbstractMethodErrorWithMethod(JavaThread* thread, Method* oop); 76 static void throw_AbstractMethodErrorVerbose(JavaThread* thread, 77 Klass* recvKlass, 78 Method* missingMethod); 79 80 static void throw_IncompatibleClassChangeError(JavaThread* thread); 81 static void throw_IncompatibleClassChangeErrorVerbose(JavaThread* thread, 82 Klass* resc, 83 Klass* interfaceKlass); 84 static void throw_StackOverflowError(JavaThread* thread); 85 static void throw_delayed_StackOverflowError(JavaThread* thread); 86 static void throw_ArrayIndexOutOfBoundsException(JavaThread* thread, char* name, jint index); 87 static void throw_ClassCastException(JavaThread* thread, oopDesc* obj); 88 static void create_exception(JavaThread* thread, char* name, char* message); 89 static void create_klass_exception(JavaThread* thread, char* name, oopDesc* obj); 90 static address exception_handler_for_exception(JavaThread* thread, oopDesc* exception); 91 #if INCLUDE_JVMTI 92 static void member_name_arg_or_null(JavaThread* thread, address dmh, Method* m, address bcp); 93 #endif 94 static void throw_pending_exception(JavaThread* thread); 95 96 #ifdef CC_INTERP 97 // Profile traps in C++ interpreter. 98 static void note_nullCheck_trap (JavaThread* thread, Method *method, int trap_bci); 99 static void note_div0Check_trap (JavaThread* thread, Method *method, int trap_bci); 100 static void note_rangeCheck_trap(JavaThread* thread, Method *method, int trap_bci); 101 static void note_classCheck_trap(JavaThread* thread, Method *method, int trap_bci); 102 static void note_arrayCheck_trap(JavaThread* thread, Method *method, int trap_bci); 103 // A dummy for macros that shall not profile traps. 104 static void note_no_trap(JavaThread* thread, Method *method, int trap_bci) {} 105 #endif // CC_INTERP 106 107 static void resolve_from_cache(JavaThread* thread, Bytecodes::Code bytecode); 108 private: 109 // Statics & fields 110 static void resolve_get_put(JavaThread* thread, Bytecodes::Code bytecode); 111 112 // Calls 113 static void resolve_invoke(JavaThread* thread, Bytecodes::Code bytecode); 114 static void resolve_invokehandle (JavaThread* thread); 115 static void resolve_invokedynamic(JavaThread* thread); 116 117 public: 118 // Synchronization 119 static void monitorenter(JavaThread* thread, BasicObjectLock* elem); 120 static void monitorexit (JavaThread* thread, BasicObjectLock* elem); 121 122 static void throw_illegal_monitor_state_exception(JavaThread* thread); 123 static void new_illegal_monitor_state_exception(JavaThread* thread); 124 125 // Breakpoints 126 static void _breakpoint(JavaThread* thread, Method* method, address bcp); 127 static Bytecodes::Code get_original_bytecode_at(JavaThread* thread, Method* method, address bcp); 128 static void set_original_bytecode_at(JavaThread* thread, Method* method, address bcp, Bytecodes::Code new_code); 129 static bool is_breakpoint(JavaThread *thread); 130 131 // Safepoints 132 static void at_safepoint(JavaThread* thread); 133 134 // Debugger support 135 static void post_field_access(JavaThread *thread, oopDesc* obj, 136 ConstantPoolCacheEntry *cp_entry); 137 static void post_field_modification(JavaThread *thread, oopDesc* obj, 138 ConstantPoolCacheEntry *cp_entry, jvalue *value); 139 static void post_method_entry(JavaThread *thread); 140 static void post_method_exit (JavaThread *thread); 141 static int interpreter_contains(address pc); 142 143 // Native signature handlers 144 static void prepare_native_call(JavaThread* thread, Method* method); 145 static address slow_signature_handler(JavaThread* thread, 146 Method* method, 147 intptr_t* from, intptr_t* to); 148 149 #if defined(IA32) || defined(AMD64) || defined(ARM) 150 // Popframe support (only needed on x86, AMD64 and ARM) 151 static void popframe_move_outgoing_args(JavaThread* thread, void* src_address, void* dest_address); 152 #endif 153 154 // bytecode tracing is only used by the TraceBytecodes 155 static intptr_t trace_bytecode(JavaThread* thread, intptr_t preserve_this_value, intptr_t tos, intptr_t tos2) PRODUCT_RETURN0; 156 157 // Platform dependent stuff 158 #include CPU_HEADER(interpreterRT) 159 160 // optional normalization of fingerprints to reduce the number of adapters 161 static uint64_t normalize_fast_native_fingerprint(uint64_t fingerprint); 162 163 // Interpreter's frequency counter overflow 164 static nmethod* frequency_counter_overflow(JavaThread* thread, address branch_bcp); 165 166 // Interpreter profiling support 167 static jint bcp_to_di(Method* method, address cur_bcp); 168 static void profile_method(JavaThread* thread); 169 static void update_mdp_for_ret(JavaThread* thread, int bci); 170 #ifdef ASSERT 171 static void verify_mdp(Method* method, address bcp, address mdp); 172 #endif // ASSERT 173 static MethodCounters* build_method_counters(JavaThread* thread, Method* m); 174 }; 175 176 177 class SignatureHandlerLibrary: public AllStatic { 178 public: 179 enum { buffer_size = 1*K }; // the size of the temporary code buffer 180 enum { blob_size = 32*K }; // the size of a handler code blob. 181 182 private: 183 static BufferBlob* _handler_blob; // the current buffer blob containing the generated handlers 184 static address _handler; // next available address within _handler_blob; 185 static GrowableArray<uint64_t>* _fingerprints; // the fingerprint collection 186 static GrowableArray<address>* _handlers; // the corresponding handlers 187 static address _buffer; // the temporary code buffer 188 189 static address set_handler_blob(); 190 static void initialize(); 191 static address set_handler(CodeBuffer* buffer); 192 static void pd_set_handler(address handler); 193 194 public: 195 static void add(const methodHandle& method); 196 static void add(uint64_t fingerprint, address handler); 197 }; 198 199 #endif // SHARE_VM_INTERPRETER_INTERPRETERRUNTIME_HPP