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comparison: src/share/vm/interpreter/interpreterRuntime.hpp
src/share/vm/interpreter/interpreterRuntime.hpp
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| 1 /* | |
| 2 * Copyright (c) 1997, 2013, 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.inline.hpp" | |
| 33 #include "runtime/signature.hpp" | |
| 34 #include "runtime/thread.inline.hpp" | |
| 35 #include "utilities/top.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 // Helper functions to access current interpreter state | |
| 46 static frame last_frame(JavaThread *thread) { return thread->last_frame(); } | |
| 47 static Method* method(JavaThread *thread) { return last_frame(thread).interpreter_frame_method(); } | |
| 48 static address bcp(JavaThread *thread) { return last_frame(thread).interpreter_frame_bcp(); } | |
| 49 static int bci(JavaThread *thread) { return last_frame(thread).interpreter_frame_bci(); } | |
| 50 static void set_bcp_and_mdp(address bcp, JavaThread*thread); | |
| 51 static Bytecodes::Code code(JavaThread *thread) { | |
| 52 // pass method to avoid calling unsafe bcp_to_method (partial fix 4926272) | |
| 53 return Bytecodes::code_at(method(thread), bcp(thread)); | |
| 54 } | |
| 55 static bool already_resolved(JavaThread *thread) { return cache_entry(thread)->is_resolved(code(thread)); } | |
| 56 static Bytecode bytecode(JavaThread *thread) { return Bytecode(method(thread), bcp(thread)); } | |
| 57 static int get_index_u1(JavaThread *thread, Bytecodes::Code bc) | |
| 58 { return bytecode(thread).get_index_u1(bc); } | |
| 59 static int get_index_u2(JavaThread *thread, Bytecodes::Code bc) | |
| 60 { return bytecode(thread).get_index_u2(bc); } | |
| 61 static int get_index_u2_cpcache(JavaThread *thread, Bytecodes::Code bc) | |
| 62 { return bytecode(thread).get_index_u2_cpcache(bc); } | |
| 63 static int get_index_u4(JavaThread *thread, Bytecodes::Code bc) | |
| 64 { return bytecode(thread).get_index_u4(bc); } | |
| 65 static int number_of_dimensions(JavaThread *thread) { return bcp(thread)[3]; } | |
| 66 | |
| 67 static ConstantPoolCacheEntry* cache_entry_at(JavaThread *thread, int i) { return method(thread)->constants()->cache()->entry_at(i); } | |
| 68 static ConstantPoolCacheEntry* cache_entry(JavaThread *thread) { return cache_entry_at(thread, Bytes::get_native_u2(bcp(thread) + 1)); } | |
| 69 static void note_trap_inner(JavaThread* thread, int reason, | |
| 70 methodHandle trap_method, int trap_bci, TRAPS); | |
| 71 static void note_trap(JavaThread *thread, int reason, TRAPS); | |
| 72 #ifdef CC_INTERP | |
| 73 // Profile traps in C++ interpreter. | |
| 74 static void note_trap(JavaThread* thread, int reason, Method *method, int trap_bci); | |
| 75 #endif // CC_INTERP | |
| 76 | |
| 77 // Inner work method for Interpreter's frequency counter overflow. | |
| 78 static nmethod* frequency_counter_overflow_inner(JavaThread* thread, address branch_bcp); | |
| 79 | |
| 80 public: | |
| 81 // Constants | |
| 82 static void ldc (JavaThread* thread, bool wide); | |
| 83 static void resolve_ldc (JavaThread* thread, Bytecodes::Code bytecode); | |
| 84 | |
| 85 // Allocation | |
| 86 static void _new (JavaThread* thread, ConstantPool* pool, int index); | |
| 87 static void newarray (JavaThread* thread, BasicType type, jint size); | |
| 88 static void anewarray (JavaThread* thread, ConstantPool* pool, int index, jint size); | |
| 89 static void multianewarray(JavaThread* thread, jint* first_size_address); | |
| 90 static void register_finalizer(JavaThread* thread, oopDesc* obj); | |
| 91 | |
| 92 // Quicken instance-of and check-cast bytecodes | |
| 93 static void quicken_io_cc(JavaThread* thread); | |
| 94 | |
| 95 // Exceptions thrown by the interpreter | |
| 96 static void throw_AbstractMethodError(JavaThread* thread); | |
| 97 static void throw_IncompatibleClassChangeError(JavaThread* thread); | |
| 98 static void throw_StackOverflowError(JavaThread* thread); | |
| 99 static void throw_ArrayIndexOutOfBoundsException(JavaThread* thread, char* name, jint index); | |
| 100 static void throw_ClassCastException(JavaThread* thread, oopDesc* obj); | |
| 101 static void create_exception(JavaThread* thread, char* name, char* message); | |
| 102 static void create_klass_exception(JavaThread* thread, char* name, oopDesc* obj); | |
| 103 static address exception_handler_for_exception(JavaThread* thread, oopDesc* exception); | |
| 104 #if INCLUDE_JVMTI | |
| 105 static void member_name_arg_or_null(JavaThread* thread, address dmh, Method* m, address bcp); | |
| 106 #endif | |
| 107 static void throw_pending_exception(JavaThread* thread); | |
| 108 | |
| 109 #ifdef CC_INTERP | |
| 110 // Profile traps in C++ interpreter. | |
| 111 static void note_nullCheck_trap (JavaThread* thread, Method *method, int trap_bci); | |
| 112 static void note_div0Check_trap (JavaThread* thread, Method *method, int trap_bci); | |
| 113 static void note_rangeCheck_trap(JavaThread* thread, Method *method, int trap_bci); | |
| 114 static void note_classCheck_trap(JavaThread* thread, Method *method, int trap_bci); | |
| 115 static void note_arrayCheck_trap(JavaThread* thread, Method *method, int trap_bci); | |
| 116 // A dummy for makros that shall not profile traps. | |
| 117 static void note_no_trap(JavaThread* thread, Method *method, int trap_bci) {} | |
| 118 #endif // CC_INTERP | |
| 119 | |
| 120 // Statics & fields | |
| 121 static void resolve_get_put(JavaThread* thread, Bytecodes::Code bytecode); | |
| 122 | |
| 123 // Synchronization | |
| 124 static void monitorenter(JavaThread* thread, BasicObjectLock* elem); | |
| 125 static void monitorexit (JavaThread* thread, BasicObjectLock* elem); | |
| 126 | |
| 127 static void throw_illegal_monitor_state_exception(JavaThread* thread); | |
| 128 static void new_illegal_monitor_state_exception(JavaThread* thread); | |
| 129 | |
| 130 // Calls | |
| 131 static void resolve_invoke (JavaThread* thread, Bytecodes::Code bytecode); | |
| 132 static void resolve_invokehandle (JavaThread* thread); | |
| 133 static void resolve_invokedynamic(JavaThread* thread); | |
| 134 | |
| 135 // Breakpoints | |
| 136 static void _breakpoint(JavaThread* thread, Method* method, address bcp); | |
| 137 static Bytecodes::Code get_original_bytecode_at(JavaThread* thread, Method* method, address bcp); | |
| 138 static void set_original_bytecode_at(JavaThread* thread, Method* method, address bcp, Bytecodes::Code new_code); | |
| 139 static bool is_breakpoint(JavaThread *thread) { return Bytecodes::code_or_bp_at(bcp(thread)) == Bytecodes::_breakpoint; } | |
| 140 | |
| 141 // Safepoints | |
| 142 static void at_safepoint(JavaThread* thread); | |
| 143 | |
| 144 // Debugger support | |
| 145 static void post_field_access(JavaThread *thread, oopDesc* obj, | |
| 146 ConstantPoolCacheEntry *cp_entry); | |
| 147 static void post_field_modification(JavaThread *thread, oopDesc* obj, | |
| 148 ConstantPoolCacheEntry *cp_entry, jvalue *value); | |
| 149 static void post_method_entry(JavaThread *thread); | |
| 150 static void post_method_exit (JavaThread *thread); | |
| 151 static int interpreter_contains(address pc); | |
| 152 | |
| 153 // Native signature handlers | |
| 154 static void prepare_native_call(JavaThread* thread, Method* method); | |
| 155 static address slow_signature_handler(JavaThread* thread, | |
| 156 Method* method, | |
| 157 intptr_t* from, intptr_t* to); | |
| 158 | |
| 159 #if defined(IA32) || defined(AMD64) || defined(ARM) | |
| 160 // Popframe support (only needed on x86, AMD64 and ARM) | |
| 161 static void popframe_move_outgoing_args(JavaThread* thread, void* src_address, void* dest_address); | |
| 162 #endif | |
| 163 | |
| 164 // Platform dependent stuff | |
| 165 #ifdef TARGET_ARCH_x86 | |
| 166 # include "interpreterRT_x86.hpp" | |
| 167 #endif | |
| 168 #ifdef TARGET_ARCH_sparc | |
| 169 # include "interpreterRT_sparc.hpp" | |
| 170 #endif | |
| 171 #ifdef TARGET_ARCH_zero | |
| 172 # include "interpreterRT_zero.hpp" | |
| 173 #endif | |
| 174 #ifdef TARGET_ARCH_arm | |
| 175 # include "interpreterRT_arm.hpp" | |
| 176 #endif | |
| 177 #ifdef TARGET_ARCH_ppc | |
| 178 # include "interpreterRT_ppc.hpp" | |
| 179 #endif | |
| 180 | |
| 181 | |
| 182 // Interpreter's frequency counter overflow | |
| 183 static nmethod* frequency_counter_overflow(JavaThread* thread, address branch_bcp); | |
| 184 | |
| 185 // Interpreter profiling support | |
| 186 static jint bcp_to_di(Method* method, address cur_bcp); | |
| 187 static void profile_method(JavaThread* thread); | |
| 188 static void update_mdp_for_ret(JavaThread* thread, int bci); | |
| 189 #ifdef ASSERT | |
| 190 static void verify_mdp(Method* method, address bcp, address mdp); | |
| 191 #endif // ASSERT | |
| 192 static MethodCounters* build_method_counters(JavaThread* thread, Method* m); | |
| 193 }; | |
| 194 | |
| 195 | |
| 196 class SignatureHandlerLibrary: public AllStatic { | |
| 197 public: | |
| 198 enum { buffer_size = 1*K }; // the size of the temporary code buffer | |
| 199 enum { blob_size = 32*K }; // the size of a handler code blob. | |
| 200 | |
| 201 private: | |
| 202 static BufferBlob* _handler_blob; // the current buffer blob containing the generated handlers | |
| 203 static address _handler; // next available address within _handler_blob; | |
| 204 static GrowableArray<uint64_t>* _fingerprints; // the fingerprint collection | |
| 205 static GrowableArray<address>* _handlers; // the corresponding handlers | |
| 206 static address _buffer; // the temporary code buffer | |
| 207 | |
| 208 static address set_handler_blob(); | |
| 209 static void initialize(); | |
| 210 static address set_handler(CodeBuffer* buffer); | |
| 211 static void pd_set_handler(address handler); | |
| 212 | |
| 213 public: | |
| 214 static void add(methodHandle method); | |
| 215 }; | |
| 216 | |
| 217 #endif // SHARE_VM_INTERPRETER_INTERPRETERRUNTIME_HPP |
