1 /* 2 * Copyright (c) 1997, 2022, 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_INTERPRETER_INTERPRETERRUNTIME_HPP 26 #define SHARE_INTERPRETER_INTERPRETERRUNTIME_HPP 27 28 #include "interpreter/bytecode.hpp" 29 #include "interpreter/linkResolver.hpp" 30 #include "oops/method.hpp" 31 #include "runtime/frame.hpp" 32 #include "runtime/javaThread.hpp" 33 #include "runtime/signature.hpp" 34 #include "utilities/macros.hpp" 35 36 class BufferBlob; 37 class CodeBuffer; 38 39 // The InterpreterRuntime is called by the interpreter for everything 40 // that cannot/should not be dealt with in assembly and needs C support. 41 42 class InterpreterRuntime: AllStatic { 43 private: 44 45 static void set_bcp_and_mdp(address bcp, JavaThread* current); 46 static void note_trap_inner(JavaThread* current, int reason, 47 const methodHandle& trap_method, int trap_bci); 48 static void note_trap(JavaThread* current, int reason); 49 50 // Inner work method for Interpreter's frequency counter overflow. 51 static nmethod* frequency_counter_overflow_inner(JavaThread* current, address branch_bcp); 52 53 public: 54 // Constants 55 static void ldc (JavaThread* current, bool wide); 56 static void resolve_ldc (JavaThread* current, Bytecodes::Code bytecode); 57 58 // Allocation 59 static void _new (JavaThread* current, ConstantPool* pool, int index); 60 static void newarray (JavaThread* current, BasicType type, jint size); 61 static void anewarray (JavaThread* threcurrentad, ConstantPool* pool, int index, jint size); 62 static void multianewarray(JavaThread* current, jint* first_size_address); 63 static void register_finalizer(JavaThread* current, oopDesc* obj); 64 static void aconst_init (JavaThread* current, ConstantPool* pool, int index); 65 static int withfield (JavaThread* current, ConstantPoolCacheEntry* cpe, uintptr_t ptr); 66 static void uninitialized_static_inline_type_field(JavaThread* current, oopDesc* mirror, int offset); 67 static void write_heap_copy (JavaThread* current, oopDesc* value, int offset, oopDesc* rcv); 68 static void read_flat_field(JavaThread* current, oopDesc* value, int index, Klass* field_holder); 69 70 static void value_array_load(JavaThread* current, arrayOopDesc* array, int index); 71 static void value_array_store(JavaThread* current, void* val, arrayOopDesc* array, int index); 72 73 static jboolean is_substitutable(JavaThread* current, oopDesc* aobj, oopDesc* bobj); 74 75 // Quicken instance-of and check-cast bytecodes 76 static void quicken_io_cc(JavaThread* current); 77 78 // Exceptions thrown by the interpreter 79 static void throw_AbstractMethodError(JavaThread* current); 80 static void throw_AbstractMethodErrorWithMethod(JavaThread* current, Method* oop); 81 static void throw_AbstractMethodErrorVerbose(JavaThread* current, 82 Klass* recvKlass, 83 Method* missingMethod); 84 85 static void throw_InstantiationError(JavaThread* current); 86 static void throw_IncompatibleClassChangeError(JavaThread* current); 87 static void throw_IncompatibleClassChangeErrorVerbose(JavaThread* current, 88 Klass* resc, 89 Klass* interfaceKlass); 90 static void throw_StackOverflowError(JavaThread* current); 91 static void throw_delayed_StackOverflowError(JavaThread* current); 92 static void throw_ArrayIndexOutOfBoundsException(JavaThread* current, arrayOopDesc* a, jint index); 93 static void throw_ClassCastException(JavaThread* current, oopDesc* obj); 94 static void throw_NullPointerException(JavaThread* current); 95 96 static void create_exception(JavaThread* current, char* name, char* message); 97 static void create_klass_exception(JavaThread* current, char* name, oopDesc* obj); 98 static address exception_handler_for_exception(JavaThread* current, oopDesc* exception); 99 #if INCLUDE_JVMTI 100 static void member_name_arg_or_null(JavaThread* current, address dmh, Method* m, address bcp); 101 #endif 102 static void throw_pending_exception(JavaThread* current); 103 104 static void resolve_from_cache(JavaThread* current, Bytecodes::Code bytecode); 105 private: 106 // Statics & fields 107 static void resolve_get_put(JavaThread* current, Bytecodes::Code bytecode); 108 109 // Calls 110 static void resolve_invoke(JavaThread* current, Bytecodes::Code bytecode); 111 static void resolve_invokehandle (JavaThread* current); 112 static void resolve_invokedynamic(JavaThread* current); 113 114 public: 115 // Synchronization 116 static void monitorenter(JavaThread* current, BasicObjectLock* elem); 117 static void monitorenter_obj(JavaThread* current, oopDesc* obj); 118 static void monitorexit (BasicObjectLock* elem); 119 120 static void throw_illegal_monitor_state_exception(JavaThread* current); 121 static void new_illegal_monitor_state_exception(JavaThread* current); 122 123 // Breakpoints 124 static void _breakpoint(JavaThread* current, Method* method, address bcp); 125 static Bytecodes::Code get_original_bytecode_at(JavaThread* current, Method* method, address bcp); 126 static void set_original_bytecode_at(JavaThread* current, Method* method, address bcp, Bytecodes::Code new_code); 127 128 // Safepoints 129 static void at_safepoint(JavaThread* current); 130 static void at_unwind(JavaThread* current); 131 132 // Debugger support 133 static void post_field_access(JavaThread* current, oopDesc* obj, 134 ConstantPoolCacheEntry *cp_entry); 135 static void post_field_modification(JavaThread* current, oopDesc* obj, 136 ConstantPoolCacheEntry *cp_entry, jvalue *value); 137 static void post_method_entry(JavaThread* current); 138 static void post_method_exit (JavaThread* current); 139 static int interpreter_contains(address pc); 140 141 // Native signature handlers 142 static void prepare_native_call(JavaThread* current, Method* method); 143 static address slow_signature_handler(JavaThread* current, 144 Method* method, 145 intptr_t* from, intptr_t* to); 146 147 #if defined(IA32) || defined(AMD64) || defined(ARM) 148 // Popframe support (only needed on x86, AMD64 and ARM) 149 static void popframe_move_outgoing_args(JavaThread* current, void* src_address, void* dest_address); 150 #endif 151 152 // bytecode tracing is only used by the TraceBytecodes 153 static intptr_t trace_bytecode(JavaThread* current, intptr_t preserve_this_value, intptr_t tos, intptr_t tos2) PRODUCT_RETURN0; 154 155 // Platform dependent stuff 156 #include CPU_HEADER(interpreterRT) 157 158 // optional normalization of fingerprints to reduce the number of adapters 159 static uint64_t normalize_fast_native_fingerprint(uint64_t fingerprint); 160 161 // Interpreter's frequency counter overflow 162 static nmethod* frequency_counter_overflow(JavaThread* current, address branch_bcp); 163 164 // Interpreter profiling support 165 static jint bcp_to_di(Method* method, address cur_bcp); 166 static void update_mdp_for_ret(JavaThread* current, int bci); 167 #ifdef ASSERT 168 static void verify_mdp(Method* method, address bcp, address mdp); 169 #endif // ASSERT 170 static MethodCounters* build_method_counters(JavaThread* current, Method* m); 171 }; 172 173 174 class SignatureHandlerLibrary: public AllStatic { 175 public: 176 enum { buffer_size = 1*K }; // the size of the temporary code buffer 177 enum { blob_size = 32*K }; // the size of a handler code blob. 178 179 private: 180 static BufferBlob* _handler_blob; // the current buffer blob containing the generated handlers 181 static address _handler; // next available address within _handler_blob; 182 static GrowableArray<uint64_t>* _fingerprints; // the fingerprint collection 183 static GrowableArray<address>* _handlers; // the corresponding handlers 184 static address _buffer; // the temporary code buffer 185 186 static address set_handler_blob(); 187 static void initialize(); 188 static address set_handler(CodeBuffer* buffer); 189 static void pd_set_handler(address handler); 190 191 public: 192 static void add(const methodHandle& method); 193 static void add(uint64_t fingerprint, address handler); 194 }; 195 196 #endif // SHARE_INTERPRETER_INTERPRETERRUNTIME_HPP