Mercurial > hg > truffle
annotate src/share/vm/interpreter/abstractInterpreter.hpp @ 14680:2dfa56e10640
8027124: [TESTBUG] NonTieredLevelsTest: java.lang.RuntimeException: private TestCase$Helper(java.lang.Object) must be osr_compiled
Reviewed-by: kvn, roland
author | iignatyev |
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date | Thu, 06 Mar 2014 12:47:45 +0400 |
parents | 2b8e28fdf503 |
children | d8041d695d19 0bf37f737702 |
rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 1997, 2013, 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" | |
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30 #include "runtime/thread.inline.hpp" |
1972 | 31 #include "runtime/vmThread.hpp" |
32 #include "utilities/top.hpp" | |
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33 #ifdef TARGET_ARCH_x86 |
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34 # include "interp_masm_x86.hpp" |
1972 | 35 #endif |
36 #ifdef TARGET_ARCH_MODEL_sparc | |
37 # include "interp_masm_sparc.hpp" | |
38 #endif | |
39 #ifdef TARGET_ARCH_MODEL_zero | |
40 # include "interp_masm_zero.hpp" | |
41 #endif | |
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42 #ifdef TARGET_ARCH_MODEL_arm |
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43 # include "interp_masm_arm.hpp" |
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44 #endif |
14391 | 45 #ifdef TARGET_ARCH_MODEL_ppc_32 |
46 # include "interp_masm_ppc_32.hpp" | |
47 #endif | |
48 #ifdef TARGET_ARCH_MODEL_ppc_64 | |
49 # include "interp_masm_ppc_64.hpp" | |
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50 #endif |
1972 | 51 |
605 | 52 // This file contains the platform-independent parts |
0 | 53 // of the abstract interpreter and the abstract interpreter generator. |
54 | |
55 // Organization of the interpreter(s). There exists two different interpreters in hotpot | |
56 // an assembly language version (aka template interpreter) and a high level language version | |
57 // (aka c++ interpreter). Th division of labor is as follows: | |
58 | |
59 // Template Interpreter C++ Interpreter Functionality | |
60 // | |
61 // templateTable* bytecodeInterpreter* actual interpretation of bytecodes | |
62 // | |
63 // templateInterpreter* cppInterpreter* generation of assembly code that creates | |
64 // and manages interpreter runtime frames. | |
65 // Also code for populating interpreter | |
66 // frames created during deoptimization. | |
67 // | |
68 // For both template and c++ interpreter. There are common files for aspects of the interpreter | |
69 // that are generic to both interpreters. This is the layout: | |
70 // | |
71 // abstractInterpreter.hpp: generic description of the interpreter. | |
72 // interpreter*: generic frame creation and handling. | |
73 // | |
74 | |
75 //------------------------------------------------------------------------------------------------------------------------ | |
76 // The C++ interface to the bytecode interpreter(s). | |
77 | |
78 class AbstractInterpreter: AllStatic { | |
79 friend class VMStructs; | |
80 friend class Interpreter; | |
81 friend class CppInterpreterGenerator; | |
82 public: | |
83 enum MethodKind { | |
84 zerolocals, // method needs locals initialization | |
85 zerolocals_synchronized, // method needs locals initialization & is synchronized | |
86 native, // native method | |
87 native_synchronized, // native method & is synchronized | |
88 empty, // empty method (code: _return) | |
89 accessor, // accessor method (code: _aload_0, _getfield, _(a|i)return) | |
90 abstract, // abstract method (throws an AbstractMethodException) | |
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91 method_handle_invoke_FIRST, // java.lang.invoke.MethodHandles::invokeExact, etc. |
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92 method_handle_invoke_LAST = (method_handle_invoke_FIRST |
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93 + (vmIntrinsics::LAST_MH_SIG_POLY |
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94 - vmIntrinsics::FIRST_MH_SIG_POLY)), |
0 | 95 java_lang_math_sin, // implementation of java.lang.Math.sin (x) |
96 java_lang_math_cos, // implementation of java.lang.Math.cos (x) | |
97 java_lang_math_tan, // implementation of java.lang.Math.tan (x) | |
98 java_lang_math_abs, // implementation of java.lang.Math.abs (x) | |
99 java_lang_math_sqrt, // implementation of java.lang.Math.sqrt (x) | |
100 java_lang_math_log, // implementation of java.lang.Math.log (x) | |
101 java_lang_math_log10, // implementation of java.lang.Math.log10 (x) | |
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102 java_lang_math_pow, // implementation of java.lang.Math.pow (x,y) |
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103 java_lang_math_exp, // implementation of java.lang.Math.exp (x) |
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104 java_lang_ref_reference_get, // implementation of java.lang.ref.Reference.get() |
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105 java_util_zip_CRC32_update, // implementation of java.util.zip.CRC32.update() |
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106 java_util_zip_CRC32_updateBytes, // implementation of java.util.zip.CRC32.updateBytes() |
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107 java_util_zip_CRC32_updateByteBuffer, // implementation of java.util.zip.CRC32.updateByteBuffer() |
0 | 108 number_of_method_entries, |
109 invalid = -1 | |
110 }; | |
111 | |
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112 // Conversion from the part of the above enum to vmIntrinsics::_invokeExact, etc. |
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113 static vmIntrinsics::ID method_handle_intrinsic(MethodKind kind) { |
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114 if (kind >= method_handle_invoke_FIRST && kind <= method_handle_invoke_LAST) |
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115 return (vmIntrinsics::ID)( vmIntrinsics::FIRST_MH_SIG_POLY + (kind - method_handle_invoke_FIRST) ); |
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116 else |
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117 return vmIntrinsics::_none; |
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118 } |
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119 |
0 | 120 enum SomeConstants { |
121 number_of_result_handlers = 10 // number of result handlers for native calls | |
122 }; | |
123 | |
124 protected: | |
125 static StubQueue* _code; // the interpreter code (codelets) | |
126 | |
127 static bool _notice_safepoints; // true if safepoints are activated | |
128 | |
129 static address _native_entry_begin; // Region for native entry code | |
130 static address _native_entry_end; | |
131 | |
132 // method entry points | |
133 static address _entry_table[number_of_method_entries]; // entry points for a given method | |
134 static address _native_abi_to_tosca[number_of_result_handlers]; // for native method result handlers | |
135 static address _slow_signature_handler; // the native method generic (slow) signature handler | |
136 | |
137 static address _rethrow_exception_entry; // rethrows an activation in previous frame | |
138 | |
139 friend class AbstractInterpreterGenerator; | |
140 friend class InterpreterGenerator; | |
141 friend class InterpreterMacroAssembler; | |
142 | |
143 public: | |
144 // Initialization/debugging | |
145 static void initialize(); | |
146 static StubQueue* code() { return _code; } | |
147 | |
148 | |
149 // Method activation | |
150 static MethodKind method_kind(methodHandle m); | |
151 static address entry_for_kind(MethodKind k) { assert(0 <= k && k < number_of_method_entries, "illegal kind"); return _entry_table[k]; } | |
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152 static address entry_for_method(methodHandle m) { return entry_for_kind(method_kind(m)); } |
0 | 153 |
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154 // used for bootstrapping method handles: |
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155 static void set_entry_for_kind(MethodKind k, address e); |
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156 |
0 | 157 static void print_method_kind(MethodKind kind) PRODUCT_RETURN; |
158 | |
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159 static bool can_be_compiled(methodHandle m); |
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160 |
0 | 161 // Runtime support |
162 | |
163 // length = invoke bytecode length (to advance to next bytecode) | |
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164 static address deopt_entry(TosState state, int length) { ShouldNotReachHere(); return NULL; } |
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165 static address return_entry(TosState state, int length, Bytecodes::Code code) { ShouldNotReachHere(); return NULL; } |
0 | 166 |
167 static address rethrow_exception_entry() { return _rethrow_exception_entry; } | |
168 | |
169 // Activation size in words for a method that is just being called. | |
170 // Parameters haven't been pushed so count them too. | |
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171 static int size_top_interpreter_activation(Method* method); |
0 | 172 |
173 // Deoptimization support | |
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174 // Compute the entry address for continuation after |
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175 static address deopt_continue_after_entry(Method* method, |
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176 address bcp, |
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177 int callee_parameters, |
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178 bool is_top_frame); |
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179 // Compute the entry address for reexecution |
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180 static address deopt_reexecute_entry(Method* method, address bcp); |
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181 // Deoptimization should reexecute this bytecode |
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182 static bool bytecode_should_reexecute(Bytecodes::Code code); |
0 | 183 |
184 // share implementation of size_activation and layout_activation: | |
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185 static int size_activation(Method* method, |
0 | 186 int temps, |
187 int popframe_args, | |
188 int monitors, | |
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189 int caller_actual_parameters, |
0 | 190 int callee_params, |
191 int callee_locals, | |
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192 bool is_top_frame, |
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193 bool is_bottom_frame) { |
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194 return layout_activation(method, |
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195 temps, |
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196 popframe_args, |
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197 monitors, |
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198 caller_actual_parameters, |
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199 callee_params, |
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200 callee_locals, |
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201 (frame*)NULL, |
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202 (frame*)NULL, |
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203 is_top_frame, |
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204 is_bottom_frame); |
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205 } |
0 | 206 |
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207 static int layout_activation(Method* method, |
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208 int temps, |
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209 int popframe_args, |
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210 int monitors, |
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211 int caller_actual_parameters, |
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212 int callee_params, |
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213 int callee_locals, |
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214 frame* caller, |
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215 frame* interpreter_frame, |
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216 bool is_top_frame, |
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217 bool is_bottom_frame); |
0 | 218 |
219 // Runtime support | |
220 static bool is_not_reached( methodHandle method, int bci); | |
221 // Safepoint support | |
222 static void notice_safepoints() { ShouldNotReachHere(); } // stops the thread when reaching a safepoint | |
223 static void ignore_safepoints() { ShouldNotReachHere(); } // ignores safepoints | |
224 | |
225 // Support for native calls | |
226 static address slow_signature_handler() { return _slow_signature_handler; } | |
227 static address result_handler(BasicType type) { return _native_abi_to_tosca[BasicType_as_index(type)]; } | |
228 static int BasicType_as_index(BasicType type); // computes index into result_handler_by_index table | |
229 static bool in_native_entry(address pc) { return _native_entry_begin <= pc && pc < _native_entry_end; } | |
230 // Debugging/printing | |
231 static void print(); // prints the interpreter code | |
232 | |
233 public: | |
1506 | 234 // Interpreter helpers |
235 const static int stackElementWords = 1; | |
236 const static int stackElementSize = stackElementWords * wordSize; | |
237 const static int logStackElementSize = LogBytesPerWord; | |
0 | 238 |
239 // Local values relative to locals[n] | |
240 static int local_offset_in_bytes(int n) { | |
1506 | 241 return ((frame::interpreter_frame_expression_stack_direction() * n) * stackElementSize); |
0 | 242 } |
243 | |
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244 // access to stacked values according to type: |
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245 static oop* oop_addr_in_slot(intptr_t* slot_addr) { |
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246 return (oop*) slot_addr; |
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247 } |
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248 static jint* int_addr_in_slot(intptr_t* slot_addr) { |
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249 if ((int) sizeof(jint) < wordSize && !Bytes::is_Java_byte_ordering_different()) |
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250 // big-endian LP64 |
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251 return (jint*)(slot_addr + 1) - 1; |
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252 else |
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253 return (jint*) slot_addr; |
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254 } |
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255 static jlong long_in_slot(intptr_t* slot_addr) { |
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256 if (sizeof(intptr_t) >= sizeof(jlong)) { |
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257 return *(jlong*) slot_addr; |
1506 | 258 } else { |
726
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259 return Bytes::get_native_u8((address)slot_addr); |
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260 } |
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261 } |
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262 static void set_long_in_slot(intptr_t* slot_addr, jlong value) { |
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263 if (sizeof(intptr_t) >= sizeof(jlong)) { |
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264 *(jlong*) slot_addr = value; |
1506 | 265 } else { |
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266 Bytes::put_native_u8((address)slot_addr, value); |
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267 } |
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268 } |
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269 static void get_jvalue_in_slot(intptr_t* slot_addr, BasicType type, jvalue* value) { |
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270 switch (type) { |
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271 case T_BOOLEAN: value->z = *int_addr_in_slot(slot_addr); break; |
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272 case T_CHAR: value->c = *int_addr_in_slot(slot_addr); break; |
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273 case T_BYTE: value->b = *int_addr_in_slot(slot_addr); break; |
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274 case T_SHORT: value->s = *int_addr_in_slot(slot_addr); break; |
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275 case T_INT: value->i = *int_addr_in_slot(slot_addr); break; |
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276 case T_LONG: value->j = long_in_slot(slot_addr); break; |
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277 case T_FLOAT: value->f = *(jfloat*)int_addr_in_slot(slot_addr); break; |
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278 case T_DOUBLE: value->d = jdouble_cast(long_in_slot(slot_addr)); break; |
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279 case T_OBJECT: value->l = (jobject)*oop_addr_in_slot(slot_addr); break; |
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280 default: ShouldNotReachHere(); |
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281 } |
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282 } |
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283 static void set_jvalue_in_slot(intptr_t* slot_addr, BasicType type, jvalue* value) { |
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284 switch (type) { |
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285 case T_BOOLEAN: *int_addr_in_slot(slot_addr) = (value->z != 0); break; |
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286 case T_CHAR: *int_addr_in_slot(slot_addr) = value->c; break; |
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287 case T_BYTE: *int_addr_in_slot(slot_addr) = value->b; break; |
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288 case T_SHORT: *int_addr_in_slot(slot_addr) = value->s; break; |
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289 case T_INT: *int_addr_in_slot(slot_addr) = value->i; break; |
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290 case T_LONG: set_long_in_slot(slot_addr, value->j); break; |
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291 case T_FLOAT: *(jfloat*)int_addr_in_slot(slot_addr) = value->f; break; |
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292 case T_DOUBLE: set_long_in_slot(slot_addr, jlong_cast(value->d)); break; |
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293 case T_OBJECT: *oop_addr_in_slot(slot_addr) = (oop) value->l; break; |
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294 default: ShouldNotReachHere(); |
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295 } |
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296 } |
0 | 297 }; |
298 | |
299 //------------------------------------------------------------------------------------------------------------------------ | |
300 // The interpreter generator. | |
301 | |
302 class Template; | |
303 class AbstractInterpreterGenerator: public StackObj { | |
304 protected: | |
305 InterpreterMacroAssembler* _masm; | |
306 | |
307 // shared code sequences | |
308 // Converter for native abi result to tosca result | |
309 address generate_result_handler_for(BasicType type); | |
310 address generate_slow_signature_handler(); | |
311 | |
312 // entry point generator | |
313 address generate_method_entry(AbstractInterpreter::MethodKind kind); | |
314 | |
315 void bang_stack_shadow_pages(bool native_call); | |
316 | |
317 void generate_all(); | |
6926 | 318 void initialize_method_handle_entries(); |
0 | 319 |
320 public: | |
321 AbstractInterpreterGenerator(StubQueue* _code); | |
322 }; | |
1972 | 323 |
324 #endif // SHARE_VM_INTERPRETER_ABSTRACTINTERPRETER_HPP |