Mercurial > hg > truffle
annotate src/share/vm/interpreter/abstractInterpreter.hpp @ 1972:f95d63e2154a
6989984: Use standard include model for Hospot
Summary: Replaced MakeDeps and the includeDB files with more standardized solutions.
Reviewed-by: coleenp, kvn, kamg
| author | stefank |
|---|---|
| date | Tue, 23 Nov 2010 13:22:55 -0800 |
| parents | c18cbe5936b8 |
| children | b92c45f2bc75 |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved. |
| 0 | 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 * | |
|
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #ifndef SHARE_VM_INTERPRETER_ABSTRACTINTERPRETER_HPP |
| 26 #define SHARE_VM_INTERPRETER_ABSTRACTINTERPRETER_HPP | |
| 27 | |
| 28 #include "code/stubs.hpp" | |
| 29 #include "interpreter/bytecodes.hpp" | |
| 30 #include "runtime/vmThread.hpp" | |
| 31 #include "utilities/top.hpp" | |
| 32 #ifdef TARGET_ARCH_MODEL_x86_32 | |
| 33 # include "interp_masm_x86_32.hpp" | |
| 34 #endif | |
| 35 #ifdef TARGET_ARCH_MODEL_x86_64 | |
| 36 # include "interp_masm_x86_64.hpp" | |
| 37 #endif | |
| 38 #ifdef TARGET_ARCH_MODEL_sparc | |
| 39 # include "interp_masm_sparc.hpp" | |
| 40 #endif | |
| 41 #ifdef TARGET_ARCH_MODEL_zero | |
| 42 # include "interp_masm_zero.hpp" | |
| 43 #endif | |
| 44 #ifdef TARGET_OS_FAMILY_linux | |
| 45 # include "thread_linux.inline.hpp" | |
| 46 #endif | |
| 47 #ifdef TARGET_OS_FAMILY_solaris | |
| 48 # include "thread_solaris.inline.hpp" | |
| 49 #endif | |
| 50 #ifdef TARGET_OS_FAMILY_windows | |
| 51 # include "thread_windows.inline.hpp" | |
| 52 #endif | |
| 53 | |
| 605 | 54 // This file contains the platform-independent parts |
| 0 | 55 // of the abstract interpreter and the abstract interpreter generator. |
| 56 | |
| 57 // Organization of the interpreter(s). There exists two different interpreters in hotpot | |
| 58 // an assembly language version (aka template interpreter) and a high level language version | |
| 59 // (aka c++ interpreter). Th division of labor is as follows: | |
| 60 | |
| 61 // Template Interpreter C++ Interpreter Functionality | |
| 62 // | |
| 63 // templateTable* bytecodeInterpreter* actual interpretation of bytecodes | |
| 64 // | |
| 65 // templateInterpreter* cppInterpreter* generation of assembly code that creates | |
| 66 // and manages interpreter runtime frames. | |
| 67 // Also code for populating interpreter | |
| 68 // frames created during deoptimization. | |
| 69 // | |
| 70 // For both template and c++ interpreter. There are common files for aspects of the interpreter | |
| 71 // that are generic to both interpreters. This is the layout: | |
| 72 // | |
| 73 // abstractInterpreter.hpp: generic description of the interpreter. | |
| 74 // interpreter*: generic frame creation and handling. | |
| 75 // | |
| 76 | |
| 77 //------------------------------------------------------------------------------------------------------------------------ | |
| 78 // The C++ interface to the bytecode interpreter(s). | |
| 79 | |
| 80 class AbstractInterpreter: AllStatic { | |
| 81 friend class VMStructs; | |
| 82 friend class Interpreter; | |
| 83 friend class CppInterpreterGenerator; | |
| 84 public: | |
| 85 enum MethodKind { | |
| 86 zerolocals, // method needs locals initialization | |
| 87 zerolocals_synchronized, // method needs locals initialization & is synchronized | |
| 88 native, // native method | |
| 89 native_synchronized, // native method & is synchronized | |
| 90 empty, // empty method (code: _return) | |
| 91 accessor, // accessor method (code: _aload_0, _getfield, _(a|i)return) | |
| 92 abstract, // abstract method (throws an AbstractMethodException) | |
| 710 | 93 method_handle, // java.dyn.MethodHandles::invoke |
| 0 | 94 java_lang_math_sin, // implementation of java.lang.Math.sin (x) |
| 95 java_lang_math_cos, // implementation of java.lang.Math.cos (x) | |
| 96 java_lang_math_tan, // implementation of java.lang.Math.tan (x) | |
| 97 java_lang_math_abs, // implementation of java.lang.Math.abs (x) | |
| 98 java_lang_math_sqrt, // implementation of java.lang.Math.sqrt (x) | |
| 99 java_lang_math_log, // implementation of java.lang.Math.log (x) | |
| 100 java_lang_math_log10, // implementation of java.lang.Math.log10 (x) | |
| 101 number_of_method_entries, | |
| 102 invalid = -1 | |
| 103 }; | |
| 104 | |
| 105 enum SomeConstants { | |
| 106 number_of_result_handlers = 10 // number of result handlers for native calls | |
| 107 }; | |
| 108 | |
| 109 protected: | |
| 110 static StubQueue* _code; // the interpreter code (codelets) | |
| 111 | |
| 112 static bool _notice_safepoints; // true if safepoints are activated | |
| 113 | |
| 114 static address _native_entry_begin; // Region for native entry code | |
| 115 static address _native_entry_end; | |
| 116 | |
| 117 // method entry points | |
| 118 static address _entry_table[number_of_method_entries]; // entry points for a given method | |
| 119 static address _native_abi_to_tosca[number_of_result_handlers]; // for native method result handlers | |
| 120 static address _slow_signature_handler; // the native method generic (slow) signature handler | |
| 121 | |
| 122 static address _rethrow_exception_entry; // rethrows an activation in previous frame | |
| 123 | |
| 124 friend class AbstractInterpreterGenerator; | |
| 125 friend class InterpreterGenerator; | |
| 126 friend class InterpreterMacroAssembler; | |
| 127 | |
| 128 public: | |
| 129 // Initialization/debugging | |
| 130 static void initialize(); | |
| 131 static StubQueue* code() { return _code; } | |
| 132 | |
| 133 | |
| 134 // Method activation | |
| 135 static MethodKind method_kind(methodHandle m); | |
| 136 static address entry_for_kind(MethodKind k) { assert(0 <= k && k < number_of_method_entries, "illegal kind"); return _entry_table[k]; } | |
| 137 static address entry_for_method(methodHandle m) { return _entry_table[method_kind(m)]; } | |
| 138 | |
| 139 static void print_method_kind(MethodKind kind) PRODUCT_RETURN; | |
| 140 | |
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141 static bool can_be_compiled(methodHandle m); |
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142 |
| 0 | 143 // Runtime support |
| 144 | |
| 145 // length = invoke bytecode length (to advance to next bytecode) | |
| 146 static address deopt_entry (TosState state, int length) { ShouldNotReachHere(); return NULL; } | |
| 147 static address return_entry (TosState state, int length) { ShouldNotReachHere(); return NULL; } | |
| 148 | |
| 149 static address rethrow_exception_entry() { return _rethrow_exception_entry; } | |
| 150 | |
| 151 // Activation size in words for a method that is just being called. | |
| 152 // Parameters haven't been pushed so count them too. | |
| 153 static int size_top_interpreter_activation(methodOop method); | |
| 154 | |
| 155 // Deoptimization support | |
|
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156 // Compute the entry address for continuation after |
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157 static address deopt_continue_after_entry(methodOop method, |
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158 address bcp, |
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159 int callee_parameters, |
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160 bool is_top_frame); |
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161 // Compute the entry address for reexecution |
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162 static address deopt_reexecute_entry(methodOop method, address bcp); |
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163 // Deoptimization should reexecute this bytecode |
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164 static bool bytecode_should_reexecute(Bytecodes::Code code); |
| 0 | 165 |
| 166 // share implementation of size_activation and layout_activation: | |
| 167 static int size_activation(methodOop method, | |
| 168 int temps, | |
| 169 int popframe_args, | |
| 170 int monitors, | |
| 171 int callee_params, | |
| 172 int callee_locals, | |
| 173 bool is_top_frame); | |
| 174 | |
| 175 static int layout_activation(methodOop method, | |
| 176 int temps, | |
| 177 int popframe_args, | |
| 178 int monitors, | |
| 179 int callee_params, | |
| 180 int callee_locals, | |
| 181 frame* caller, | |
| 182 frame* interpreter_frame, | |
| 183 bool is_top_frame); | |
| 184 | |
| 185 // Runtime support | |
| 186 static bool is_not_reached( methodHandle method, int bci); | |
| 187 // Safepoint support | |
| 188 static void notice_safepoints() { ShouldNotReachHere(); } // stops the thread when reaching a safepoint | |
| 189 static void ignore_safepoints() { ShouldNotReachHere(); } // ignores safepoints | |
| 190 | |
| 191 // Support for native calls | |
| 192 static address slow_signature_handler() { return _slow_signature_handler; } | |
| 193 static address result_handler(BasicType type) { return _native_abi_to_tosca[BasicType_as_index(type)]; } | |
| 194 static int BasicType_as_index(BasicType type); // computes index into result_handler_by_index table | |
| 195 static bool in_native_entry(address pc) { return _native_entry_begin <= pc && pc < _native_entry_end; } | |
| 196 // Debugging/printing | |
| 197 static void print(); // prints the interpreter code | |
| 198 | |
| 199 public: | |
| 1506 | 200 // Interpreter helpers |
| 201 const static int stackElementWords = 1; | |
| 202 const static int stackElementSize = stackElementWords * wordSize; | |
| 203 const static int logStackElementSize = LogBytesPerWord; | |
| 0 | 204 |
| 205 // Local values relative to locals[n] | |
| 206 static int local_offset_in_bytes(int n) { | |
| 1506 | 207 return ((frame::interpreter_frame_expression_stack_direction() * n) * stackElementSize); |
| 0 | 208 } |
| 209 | |
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210 // access to stacked values according to type: |
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211 static oop* oop_addr_in_slot(intptr_t* slot_addr) { |
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212 return (oop*) slot_addr; |
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213 } |
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214 static jint* int_addr_in_slot(intptr_t* slot_addr) { |
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215 if ((int) sizeof(jint) < wordSize && !Bytes::is_Java_byte_ordering_different()) |
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216 // big-endian LP64 |
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217 return (jint*)(slot_addr + 1) - 1; |
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218 else |
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219 return (jint*) slot_addr; |
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220 } |
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221 static jlong long_in_slot(intptr_t* slot_addr) { |
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222 if (sizeof(intptr_t) >= sizeof(jlong)) { |
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223 return *(jlong*) slot_addr; |
| 1506 | 224 } else { |
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225 return Bytes::get_native_u8((address)slot_addr); |
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226 } |
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227 } |
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228 static void set_long_in_slot(intptr_t* slot_addr, jlong value) { |
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229 if (sizeof(intptr_t) >= sizeof(jlong)) { |
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230 *(jlong*) slot_addr = value; |
| 1506 | 231 } else { |
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232 Bytes::put_native_u8((address)slot_addr, value); |
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233 } |
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234 } |
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235 static void get_jvalue_in_slot(intptr_t* slot_addr, BasicType type, jvalue* value) { |
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236 switch (type) { |
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237 case T_BOOLEAN: value->z = *int_addr_in_slot(slot_addr); break; |
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238 case T_CHAR: value->c = *int_addr_in_slot(slot_addr); break; |
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239 case T_BYTE: value->b = *int_addr_in_slot(slot_addr); break; |
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240 case T_SHORT: value->s = *int_addr_in_slot(slot_addr); break; |
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241 case T_INT: value->i = *int_addr_in_slot(slot_addr); break; |
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242 case T_LONG: value->j = long_in_slot(slot_addr); break; |
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243 case T_FLOAT: value->f = *(jfloat*)int_addr_in_slot(slot_addr); break; |
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244 case T_DOUBLE: value->d = jdouble_cast(long_in_slot(slot_addr)); break; |
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245 case T_OBJECT: value->l = (jobject)*oop_addr_in_slot(slot_addr); break; |
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246 default: ShouldNotReachHere(); |
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247 } |
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248 } |
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249 static void set_jvalue_in_slot(intptr_t* slot_addr, BasicType type, jvalue* value) { |
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250 switch (type) { |
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251 case T_BOOLEAN: *int_addr_in_slot(slot_addr) = (value->z != 0); break; |
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252 case T_CHAR: *int_addr_in_slot(slot_addr) = value->c; break; |
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253 case T_BYTE: *int_addr_in_slot(slot_addr) = value->b; break; |
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254 case T_SHORT: *int_addr_in_slot(slot_addr) = value->s; break; |
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255 case T_INT: *int_addr_in_slot(slot_addr) = value->i; break; |
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256 case T_LONG: set_long_in_slot(slot_addr, value->j); break; |
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257 case T_FLOAT: *(jfloat*)int_addr_in_slot(slot_addr) = value->f; break; |
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258 case T_DOUBLE: set_long_in_slot(slot_addr, jlong_cast(value->d)); break; |
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259 case T_OBJECT: *oop_addr_in_slot(slot_addr) = (oop) value->l; break; |
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260 default: ShouldNotReachHere(); |
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261 } |
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262 } |
| 0 | 263 }; |
| 264 | |
| 265 //------------------------------------------------------------------------------------------------------------------------ | |
| 266 // The interpreter generator. | |
| 267 | |
| 268 class Template; | |
| 269 class AbstractInterpreterGenerator: public StackObj { | |
| 270 protected: | |
| 271 InterpreterMacroAssembler* _masm; | |
| 272 | |
| 273 // shared code sequences | |
| 274 // Converter for native abi result to tosca result | |
| 275 address generate_result_handler_for(BasicType type); | |
| 276 address generate_slow_signature_handler(); | |
| 277 | |
| 278 // entry point generator | |
| 279 address generate_method_entry(AbstractInterpreter::MethodKind kind); | |
| 280 | |
| 281 void bang_stack_shadow_pages(bool native_call); | |
| 282 | |
| 283 void generate_all(); | |
| 284 | |
| 285 public: | |
| 286 AbstractInterpreterGenerator(StubQueue* _code); | |
| 287 }; | |
| 1972 | 288 |
| 289 #endif // SHARE_VM_INTERPRETER_ABSTRACTINTERPRETER_HPP |