1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/share/vm/interpreter/interpreterRuntime.hpp Wed Apr 27 01:25:04 2016 +0800
1.3 @@ -0,0 +1,217 @@
1.4 +/*
1.5 + * Copyright (c) 1997, 2013, 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 +#ifndef SHARE_VM_INTERPRETER_INTERPRETERRUNTIME_HPP
1.29 +#define SHARE_VM_INTERPRETER_INTERPRETERRUNTIME_HPP
1.30 +
1.31 +#include "interpreter/bytecode.hpp"
1.32 +#include "interpreter/linkResolver.hpp"
1.33 +#include "memory/universe.hpp"
1.34 +#include "oops/method.hpp"
1.35 +#include "runtime/frame.inline.hpp"
1.36 +#include "runtime/signature.hpp"
1.37 +#include "runtime/thread.inline.hpp"
1.38 +#include "utilities/top.hpp"
1.39 +
1.40 +// The InterpreterRuntime is called by the interpreter for everything
1.41 +// that cannot/should not be dealt with in assembly and needs C support.
1.42 +
1.43 +class InterpreterRuntime: AllStatic {
1.44 + friend class BytecodeClosure; // for method and bcp
1.45 + friend class PrintingClosure; // for method and bcp
1.46 +
1.47 + private:
1.48 + // Helper functions to access current interpreter state
1.49 + static frame last_frame(JavaThread *thread) { return thread->last_frame(); }
1.50 + static Method* method(JavaThread *thread) { return last_frame(thread).interpreter_frame_method(); }
1.51 + static address bcp(JavaThread *thread) { return last_frame(thread).interpreter_frame_bcp(); }
1.52 + static int bci(JavaThread *thread) { return last_frame(thread).interpreter_frame_bci(); }
1.53 + static void set_bcp_and_mdp(address bcp, JavaThread*thread);
1.54 + static Bytecodes::Code code(JavaThread *thread) {
1.55 + // pass method to avoid calling unsafe bcp_to_method (partial fix 4926272)
1.56 + return Bytecodes::code_at(method(thread), bcp(thread));
1.57 + }
1.58 + static bool already_resolved(JavaThread *thread) { return cache_entry(thread)->is_resolved(code(thread)); }
1.59 + static Bytecode bytecode(JavaThread *thread) { return Bytecode(method(thread), bcp(thread)); }
1.60 + static int get_index_u1(JavaThread *thread, Bytecodes::Code bc)
1.61 + { return bytecode(thread).get_index_u1(bc); }
1.62 + static int get_index_u2(JavaThread *thread, Bytecodes::Code bc)
1.63 + { return bytecode(thread).get_index_u2(bc); }
1.64 + static int get_index_u2_cpcache(JavaThread *thread, Bytecodes::Code bc)
1.65 + { return bytecode(thread).get_index_u2_cpcache(bc); }
1.66 + static int get_index_u4(JavaThread *thread, Bytecodes::Code bc)
1.67 + { return bytecode(thread).get_index_u4(bc); }
1.68 + static int number_of_dimensions(JavaThread *thread) { return bcp(thread)[3]; }
1.69 +
1.70 + static ConstantPoolCacheEntry* cache_entry_at(JavaThread *thread, int i) { return method(thread)->constants()->cache()->entry_at(i); }
1.71 + static ConstantPoolCacheEntry* cache_entry(JavaThread *thread) { return cache_entry_at(thread, Bytes::get_native_u2(bcp(thread) + 1)); }
1.72 + static void note_trap_inner(JavaThread* thread, int reason,
1.73 + methodHandle trap_method, int trap_bci, TRAPS);
1.74 + static void note_trap(JavaThread *thread, int reason, TRAPS);
1.75 +#ifdef CC_INTERP
1.76 + // Profile traps in C++ interpreter.
1.77 + static void note_trap(JavaThread* thread, int reason, Method *method, int trap_bci);
1.78 +#endif // CC_INTERP
1.79 +
1.80 + // Inner work method for Interpreter's frequency counter overflow.
1.81 + static nmethod* frequency_counter_overflow_inner(JavaThread* thread, address branch_bcp);
1.82 +
1.83 + public:
1.84 + // Constants
1.85 + static void ldc (JavaThread* thread, bool wide);
1.86 + static void resolve_ldc (JavaThread* thread, Bytecodes::Code bytecode);
1.87 +
1.88 + // Allocation
1.89 + static void _new (JavaThread* thread, ConstantPool* pool, int index);
1.90 + static void newarray (JavaThread* thread, BasicType type, jint size);
1.91 + static void anewarray (JavaThread* thread, ConstantPool* pool, int index, jint size);
1.92 + static void multianewarray(JavaThread* thread, jint* first_size_address);
1.93 + static void register_finalizer(JavaThread* thread, oopDesc* obj);
1.94 +
1.95 + // Quicken instance-of and check-cast bytecodes
1.96 + static void quicken_io_cc(JavaThread* thread);
1.97 +
1.98 + // Exceptions thrown by the interpreter
1.99 + static void throw_AbstractMethodError(JavaThread* thread);
1.100 + static void throw_IncompatibleClassChangeError(JavaThread* thread);
1.101 + static void throw_StackOverflowError(JavaThread* thread);
1.102 + static void throw_ArrayIndexOutOfBoundsException(JavaThread* thread, char* name, jint index);
1.103 + static void throw_ClassCastException(JavaThread* thread, oopDesc* obj);
1.104 + static void create_exception(JavaThread* thread, char* name, char* message);
1.105 + static void create_klass_exception(JavaThread* thread, char* name, oopDesc* obj);
1.106 + static address exception_handler_for_exception(JavaThread* thread, oopDesc* exception);
1.107 +#if INCLUDE_JVMTI
1.108 + static void member_name_arg_or_null(JavaThread* thread, address dmh, Method* m, address bcp);
1.109 +#endif
1.110 + static void throw_pending_exception(JavaThread* thread);
1.111 +
1.112 +#ifdef CC_INTERP
1.113 + // Profile traps in C++ interpreter.
1.114 + static void note_nullCheck_trap (JavaThread* thread, Method *method, int trap_bci);
1.115 + static void note_div0Check_trap (JavaThread* thread, Method *method, int trap_bci);
1.116 + static void note_rangeCheck_trap(JavaThread* thread, Method *method, int trap_bci);
1.117 + static void note_classCheck_trap(JavaThread* thread, Method *method, int trap_bci);
1.118 + static void note_arrayCheck_trap(JavaThread* thread, Method *method, int trap_bci);
1.119 + // A dummy for makros that shall not profile traps.
1.120 + static void note_no_trap(JavaThread* thread, Method *method, int trap_bci) {}
1.121 +#endif // CC_INTERP
1.122 +
1.123 + // Statics & fields
1.124 + static void resolve_get_put(JavaThread* thread, Bytecodes::Code bytecode);
1.125 +
1.126 + // Synchronization
1.127 + static void monitorenter(JavaThread* thread, BasicObjectLock* elem);
1.128 + static void monitorexit (JavaThread* thread, BasicObjectLock* elem);
1.129 +
1.130 + static void throw_illegal_monitor_state_exception(JavaThread* thread);
1.131 + static void new_illegal_monitor_state_exception(JavaThread* thread);
1.132 +
1.133 + // Calls
1.134 + static void resolve_invoke (JavaThread* thread, Bytecodes::Code bytecode);
1.135 + static void resolve_invokehandle (JavaThread* thread);
1.136 + static void resolve_invokedynamic(JavaThread* thread);
1.137 +
1.138 + // Breakpoints
1.139 + static void _breakpoint(JavaThread* thread, Method* method, address bcp);
1.140 + static Bytecodes::Code get_original_bytecode_at(JavaThread* thread, Method* method, address bcp);
1.141 + static void set_original_bytecode_at(JavaThread* thread, Method* method, address bcp, Bytecodes::Code new_code);
1.142 + static bool is_breakpoint(JavaThread *thread) { return Bytecodes::code_or_bp_at(bcp(thread)) == Bytecodes::_breakpoint; }
1.143 +
1.144 + // Safepoints
1.145 + static void at_safepoint(JavaThread* thread);
1.146 +
1.147 + // Debugger support
1.148 + static void post_field_access(JavaThread *thread, oopDesc* obj,
1.149 + ConstantPoolCacheEntry *cp_entry);
1.150 + static void post_field_modification(JavaThread *thread, oopDesc* obj,
1.151 + ConstantPoolCacheEntry *cp_entry, jvalue *value);
1.152 + static void post_method_entry(JavaThread *thread);
1.153 + static void post_method_exit (JavaThread *thread);
1.154 + static int interpreter_contains(address pc);
1.155 +
1.156 + // Native signature handlers
1.157 + static void prepare_native_call(JavaThread* thread, Method* method);
1.158 + static address slow_signature_handler(JavaThread* thread,
1.159 + Method* method,
1.160 + intptr_t* from, intptr_t* to);
1.161 +
1.162 +#if defined(IA32) || defined(AMD64) || defined(ARM)
1.163 + // Popframe support (only needed on x86, AMD64 and ARM)
1.164 + static void popframe_move_outgoing_args(JavaThread* thread, void* src_address, void* dest_address);
1.165 +#endif
1.166 +
1.167 + // Platform dependent stuff
1.168 +#ifdef TARGET_ARCH_x86
1.169 +# include "interpreterRT_x86.hpp"
1.170 +#endif
1.171 +#ifdef TARGET_ARCH_sparc
1.172 +# include "interpreterRT_sparc.hpp"
1.173 +#endif
1.174 +#ifdef TARGET_ARCH_zero
1.175 +# include "interpreterRT_zero.hpp"
1.176 +#endif
1.177 +#ifdef TARGET_ARCH_arm
1.178 +# include "interpreterRT_arm.hpp"
1.179 +#endif
1.180 +#ifdef TARGET_ARCH_ppc
1.181 +# include "interpreterRT_ppc.hpp"
1.182 +#endif
1.183 +
1.184 +
1.185 + // Interpreter's frequency counter overflow
1.186 + static nmethod* frequency_counter_overflow(JavaThread* thread, address branch_bcp);
1.187 +
1.188 + // Interpreter profiling support
1.189 + static jint bcp_to_di(Method* method, address cur_bcp);
1.190 + static void profile_method(JavaThread* thread);
1.191 + static void update_mdp_for_ret(JavaThread* thread, int bci);
1.192 +#ifdef ASSERT
1.193 + static void verify_mdp(Method* method, address bcp, address mdp);
1.194 +#endif // ASSERT
1.195 + static MethodCounters* build_method_counters(JavaThread* thread, Method* m);
1.196 +};
1.197 +
1.198 +
1.199 +class SignatureHandlerLibrary: public AllStatic {
1.200 + public:
1.201 + enum { buffer_size = 1*K }; // the size of the temporary code buffer
1.202 + enum { blob_size = 32*K }; // the size of a handler code blob.
1.203 +
1.204 + private:
1.205 + static BufferBlob* _handler_blob; // the current buffer blob containing the generated handlers
1.206 + static address _handler; // next available address within _handler_blob;
1.207 + static GrowableArray<uint64_t>* _fingerprints; // the fingerprint collection
1.208 + static GrowableArray<address>* _handlers; // the corresponding handlers
1.209 + static address _buffer; // the temporary code buffer
1.210 +
1.211 + static address set_handler_blob();
1.212 + static void initialize();
1.213 + static address set_handler(CodeBuffer* buffer);
1.214 + static void pd_set_handler(address handler);
1.215 +
1.216 + public:
1.217 + static void add(methodHandle method);
1.218 +};
1.219 +
1.220 +#endif // SHARE_VM_INTERPRETER_INTERPRETERRUNTIME_HPP
