Tue, 24 Dec 2013 11:48:39 -0800
8029233: Update copyright year to match last edit in jdk8 hotspot repository for 2013
Summary: Copyright year updated for files modified during 2013
Reviewed-by: twisti, iveresov
duke@435 | 1 | /* |
mikael@6198 | 2 | * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. |
duke@435 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
duke@435 | 4 | * |
duke@435 | 5 | * This code is free software; you can redistribute it and/or modify it |
duke@435 | 6 | * under the terms of the GNU General Public License version 2 only, as |
duke@435 | 7 | * published by the Free Software Foundation. |
duke@435 | 8 | * |
duke@435 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
duke@435 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
duke@435 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
duke@435 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
duke@435 | 13 | * accompanied this code). |
duke@435 | 14 | * |
duke@435 | 15 | * You should have received a copy of the GNU General Public License version |
duke@435 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
duke@435 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
duke@435 | 18 | * |
trims@1907 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
trims@1907 | 20 | * or visit www.oracle.com if you need additional information or have any |
trims@1907 | 21 | * questions. |
duke@435 | 22 | * |
duke@435 | 23 | */ |
duke@435 | 24 | |
stefank@2314 | 25 | #ifndef SHARE_VM_INTERPRETER_TEMPLATEINTERPRETER_HPP |
stefank@2314 | 26 | #define SHARE_VM_INTERPRETER_TEMPLATEINTERPRETER_HPP |
stefank@2314 | 27 | |
stefank@2314 | 28 | #include "interpreter/abstractInterpreter.hpp" |
stefank@2314 | 29 | #include "interpreter/templateTable.hpp" |
stefank@2314 | 30 | |
twisti@1040 | 31 | // This file contains the platform-independent parts |
duke@435 | 32 | // of the template interpreter and the template interpreter generator. |
duke@435 | 33 | |
duke@435 | 34 | #ifndef CC_INTERP |
duke@435 | 35 | |
duke@435 | 36 | //------------------------------------------------------------------------------------------------------------------------ |
duke@435 | 37 | // A little wrapper class to group tosca-specific entry points into a unit. |
duke@435 | 38 | // (tosca = Top-Of-Stack CAche) |
duke@435 | 39 | |
duke@435 | 40 | class EntryPoint VALUE_OBJ_CLASS_SPEC { |
duke@435 | 41 | private: |
duke@435 | 42 | address _entry[number_of_states]; |
duke@435 | 43 | |
duke@435 | 44 | public: |
duke@435 | 45 | // Construction |
duke@435 | 46 | EntryPoint(); |
duke@435 | 47 | EntryPoint(address bentry, address centry, address sentry, address aentry, address ientry, address lentry, address fentry, address dentry, address ventry); |
duke@435 | 48 | |
duke@435 | 49 | // Attributes |
duke@435 | 50 | address entry(TosState state) const; // return target address for a given tosca state |
duke@435 | 51 | void set_entry(TosState state, address entry); // set target address for a given tosca state |
duke@435 | 52 | void print(); |
duke@435 | 53 | |
duke@435 | 54 | // Comparison |
duke@435 | 55 | bool operator == (const EntryPoint& y); // for debugging only |
duke@435 | 56 | }; |
duke@435 | 57 | |
duke@435 | 58 | |
duke@435 | 59 | //------------------------------------------------------------------------------------------------------------------------ |
duke@435 | 60 | // A little wrapper class to group tosca-specific dispatch tables into a unit. |
duke@435 | 61 | |
duke@435 | 62 | class DispatchTable VALUE_OBJ_CLASS_SPEC { |
duke@435 | 63 | public: |
duke@435 | 64 | enum { length = 1 << BitsPerByte }; // an entry point for each byte value (also for undefined bytecodes) |
duke@435 | 65 | |
duke@435 | 66 | private: |
duke@435 | 67 | address _table[number_of_states][length]; // dispatch tables, indexed by tosca and bytecode |
duke@435 | 68 | |
duke@435 | 69 | public: |
duke@435 | 70 | // Attributes |
duke@435 | 71 | EntryPoint entry(int i) const; // return entry point for a given bytecode i |
duke@435 | 72 | void set_entry(int i, EntryPoint& entry); // set entry point for a given bytecode i |
duke@435 | 73 | address* table_for(TosState state) { return _table[state]; } |
duke@435 | 74 | address* table_for() { return table_for((TosState)0); } |
duke@435 | 75 | int distance_from(address *table) { return table - table_for(); } |
duke@435 | 76 | int distance_from(TosState state) { return distance_from(table_for(state)); } |
duke@435 | 77 | |
duke@435 | 78 | // Comparison |
duke@435 | 79 | bool operator == (DispatchTable& y); // for debugging only |
duke@435 | 80 | }; |
duke@435 | 81 | |
duke@435 | 82 | class TemplateInterpreter: public AbstractInterpreter { |
duke@435 | 83 | friend class VMStructs; |
duke@435 | 84 | friend class InterpreterMacroAssembler; |
duke@435 | 85 | friend class TemplateInterpreterGenerator; |
jrose@1145 | 86 | friend class InterpreterGenerator; |
duke@435 | 87 | friend class TemplateTable; |
duke@435 | 88 | // friend class Interpreter; |
duke@435 | 89 | public: |
duke@435 | 90 | |
duke@435 | 91 | enum MoreConstants { |
jrose@1161 | 92 | number_of_return_entries = number_of_states, // number of return entry points |
jrose@1161 | 93 | number_of_deopt_entries = number_of_states, // number of deoptimization entry points |
jrose@1161 | 94 | number_of_return_addrs = number_of_states // number of return addresses |
duke@435 | 95 | }; |
duke@435 | 96 | |
duke@435 | 97 | protected: |
duke@435 | 98 | |
duke@435 | 99 | static address _throw_ArrayIndexOutOfBoundsException_entry; |
duke@435 | 100 | static address _throw_ArrayStoreException_entry; |
duke@435 | 101 | static address _throw_ArithmeticException_entry; |
duke@435 | 102 | static address _throw_ClassCastException_entry; |
jrose@1145 | 103 | static address _throw_WrongMethodType_entry; |
duke@435 | 104 | static address _throw_NullPointerException_entry; |
duke@435 | 105 | static address _throw_exception_entry; |
duke@435 | 106 | |
duke@435 | 107 | static address _throw_StackOverflowError_entry; |
duke@435 | 108 | |
duke@435 | 109 | static address _remove_activation_entry; // continuation address if an exception is not handled by current frame |
duke@435 | 110 | #ifdef HOTSWAP |
duke@435 | 111 | static address _remove_activation_preserving_args_entry; // continuation address when current frame is being popped |
duke@435 | 112 | #endif // HOTSWAP |
duke@435 | 113 | |
duke@435 | 114 | #ifndef PRODUCT |
duke@435 | 115 | static EntryPoint _trace_code; |
duke@435 | 116 | #endif // !PRODUCT |
duke@435 | 117 | static EntryPoint _return_entry[number_of_return_entries]; // entry points to return to from a call |
duke@435 | 118 | static EntryPoint _earlyret_entry; // entry point to return early from a call |
duke@435 | 119 | static EntryPoint _deopt_entry[number_of_deopt_entries]; // entry points to return to from a deoptimization |
duke@435 | 120 | static EntryPoint _continuation_entry; |
duke@435 | 121 | static EntryPoint _safept_entry; |
duke@435 | 122 | |
twisti@6039 | 123 | static address _invoke_return_entry[number_of_return_addrs]; // for invokestatic, invokespecial, invokevirtual return entries |
twisti@6039 | 124 | static address _invokeinterface_return_entry[number_of_return_addrs]; // for invokeinterface return entries |
twisti@6039 | 125 | static address _invokedynamic_return_entry[number_of_return_addrs]; // for invokedynamic return entries |
duke@435 | 126 | |
duke@435 | 127 | static DispatchTable _active_table; // the active dispatch table (used by the interpreter for dispatch) |
duke@435 | 128 | static DispatchTable _normal_table; // the normal dispatch table (used to set the active table in normal mode) |
duke@435 | 129 | static DispatchTable _safept_table; // the safepoint dispatch table (used to set the active table for safepoints) |
duke@435 | 130 | static address _wentry_point[DispatchTable::length]; // wide instructions only (vtos tosca always) |
duke@435 | 131 | |
duke@435 | 132 | |
duke@435 | 133 | public: |
duke@435 | 134 | // Initialization/debugging |
duke@435 | 135 | static void initialize(); |
duke@435 | 136 | // this only returns whether a pc is within generated code for the interpreter. |
duke@435 | 137 | static bool contains(address pc) { return _code != NULL && _code->contains(pc); } |
duke@435 | 138 | |
duke@435 | 139 | public: |
duke@435 | 140 | |
duke@435 | 141 | static address remove_activation_early_entry(TosState state) { return _earlyret_entry.entry(state); } |
duke@435 | 142 | #ifdef HOTSWAP |
duke@435 | 143 | static address remove_activation_preserving_args_entry() { return _remove_activation_preserving_args_entry; } |
duke@435 | 144 | #endif // HOTSWAP |
duke@435 | 145 | |
duke@435 | 146 | static address remove_activation_entry() { return _remove_activation_entry; } |
duke@435 | 147 | static address throw_exception_entry() { return _throw_exception_entry; } |
duke@435 | 148 | static address throw_ArithmeticException_entry() { return _throw_ArithmeticException_entry; } |
jrose@1145 | 149 | static address throw_WrongMethodType_entry() { return _throw_WrongMethodType_entry; } |
duke@435 | 150 | static address throw_NullPointerException_entry() { return _throw_NullPointerException_entry; } |
duke@435 | 151 | static address throw_StackOverflowError_entry() { return _throw_StackOverflowError_entry; } |
duke@435 | 152 | |
duke@435 | 153 | // Code generation |
duke@435 | 154 | #ifndef PRODUCT |
duke@435 | 155 | static address trace_code (TosState state) { return _trace_code.entry(state); } |
duke@435 | 156 | #endif // !PRODUCT |
duke@435 | 157 | static address continuation (TosState state) { return _continuation_entry.entry(state); } |
duke@435 | 158 | static address* dispatch_table(TosState state) { return _active_table.table_for(state); } |
duke@435 | 159 | static address* dispatch_table() { return _active_table.table_for(); } |
duke@435 | 160 | static int distance_from_dispatch_table(TosState state){ return _active_table.distance_from(state); } |
duke@435 | 161 | static address* normal_table(TosState state) { return _normal_table.table_for(state); } |
duke@435 | 162 | static address* normal_table() { return _normal_table.table_for(); } |
duke@435 | 163 | |
duke@435 | 164 | // Support for invokes |
twisti@6039 | 165 | static address* invoke_return_entry_table() { return _invoke_return_entry; } |
twisti@6039 | 166 | static address* invokeinterface_return_entry_table() { return _invokeinterface_return_entry; } |
twisti@6039 | 167 | static address* invokedynamic_return_entry_table() { return _invokedynamic_return_entry; } |
twisti@6039 | 168 | static int TosState_as_index(TosState state); |
duke@435 | 169 | |
twisti@6039 | 170 | static address* invoke_return_entry_table_for(Bytecodes::Code code); |
twisti@6039 | 171 | |
twisti@6039 | 172 | static address deopt_entry(TosState state, int length); |
twisti@6039 | 173 | static address return_entry(TosState state, int length, Bytecodes::Code code); |
duke@435 | 174 | |
duke@435 | 175 | // Safepoint support |
duke@435 | 176 | static void notice_safepoints(); // stops the thread when reaching a safepoint |
duke@435 | 177 | static void ignore_safepoints(); // ignores safepoints |
duke@435 | 178 | |
duke@435 | 179 | // Deoptimization support |
cfang@1335 | 180 | // Compute the entry address for continuation after |
coleenp@4037 | 181 | static address deopt_continue_after_entry(Method* method, |
cfang@1335 | 182 | address bcp, |
cfang@1335 | 183 | int callee_parameters, |
cfang@1335 | 184 | bool is_top_frame); |
cfang@1335 | 185 | // Deoptimization should reexecute this bytecode |
cfang@1335 | 186 | static bool bytecode_should_reexecute(Bytecodes::Code code); |
cfang@1335 | 187 | // Compute the address for reexecution |
coleenp@4037 | 188 | static address deopt_reexecute_entry(Method* method, address bcp); |
duke@435 | 189 | |
stefank@2314 | 190 | #ifdef TARGET_ARCH_x86 |
stefank@2314 | 191 | # include "templateInterpreter_x86.hpp" |
stefank@2314 | 192 | #endif |
stefank@2314 | 193 | #ifdef TARGET_ARCH_sparc |
stefank@2314 | 194 | # include "templateInterpreter_sparc.hpp" |
stefank@2314 | 195 | #endif |
stefank@2314 | 196 | #ifdef TARGET_ARCH_zero |
stefank@2314 | 197 | # include "templateInterpreter_zero.hpp" |
stefank@2314 | 198 | #endif |
bobv@2508 | 199 | #ifdef TARGET_ARCH_arm |
bobv@2508 | 200 | # include "templateInterpreter_arm.hpp" |
bobv@2508 | 201 | #endif |
bobv@2508 | 202 | #ifdef TARGET_ARCH_ppc |
bobv@2508 | 203 | # include "templateInterpreter_ppc.hpp" |
bobv@2508 | 204 | #endif |
stefank@2314 | 205 | |
duke@435 | 206 | |
duke@435 | 207 | }; |
duke@435 | 208 | |
duke@435 | 209 | #endif // !CC_INTERP |
stefank@2314 | 210 | |
stefank@2314 | 211 | #endif // SHARE_VM_INTERPRETER_TEMPLATEINTERPRETER_HPP |