Mercurial > hg > truffle
annotate src/share/vm/ci/ciMethod.hpp @ 21936:49dad3e40b57
Convert addresses in ArrayCopyCallNode to word size
author | Stefan Anzinger <stefan.anzinger@oracle.com> |
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date | Fri, 12 Jun 2015 14:52:08 +0200 |
parents | 7848fc12602b |
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rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 1999, 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_CI_CIMETHOD_HPP |
26 #define SHARE_VM_CI_CIMETHOD_HPP | |
27 | |
28 #include "ci/ciFlags.hpp" | |
29 #include "ci/ciInstanceKlass.hpp" | |
30 #include "ci/ciObject.hpp" | |
31 #include "ci/ciSignature.hpp" | |
32 #include "compiler/methodLiveness.hpp" | |
33 #include "prims/methodHandles.hpp" | |
34 #include "utilities/bitMap.hpp" | |
35 | |
0 | 36 class ciMethodBlocks; |
37 class MethodLiveness; | |
38 class BitMap; | |
39 class Arena; | |
40 class BCEscapeAnalyzer; | |
41 | |
42 | |
43 // ciMethod | |
44 // | |
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45 // This class represents a Method* in the HotSpot virtual |
0 | 46 // machine. |
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47 class ciMethod : public ciMetadata { |
0 | 48 friend class CompileBroker; |
49 CI_PACKAGE_ACCESS | |
50 friend class ciEnv; | |
51 friend class ciExceptionHandlerStream; | |
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52 friend class ciBytecodeStream; |
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53 friend class ciMethodHandle; |
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54 friend class ciReplay; |
0 | 55 |
56 private: | |
57 // General method information. | |
58 ciFlags _flags; | |
59 ciSymbol* _name; | |
60 ciInstanceKlass* _holder; | |
61 ciSignature* _signature; | |
62 ciMethodData* _method_data; | |
63 ciMethodBlocks* _method_blocks; | |
64 | |
65 // Code attributes. | |
66 int _code_size; | |
67 int _max_stack; | |
68 int _max_locals; | |
69 vmIntrinsics::ID _intrinsic_id; | |
70 int _handler_count; | |
71 int _interpreter_invocation_count; | |
72 int _interpreter_throwout_count; | |
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73 int _instructions_size; |
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74 int _size_of_parameters; |
0 | 75 |
76 bool _uses_monitors; | |
77 bool _balanced_monitors; | |
1783 | 78 bool _is_c1_compilable; |
79 bool _is_c2_compilable; | |
0 | 80 bool _can_be_statically_bound; |
81 | |
82 // Lazy fields, filled in on demand | |
83 address _code; | |
84 ciExceptionHandler** _exception_handlers; | |
85 | |
86 // Optional liveness analyzer. | |
87 MethodLiveness* _liveness; | |
1692 | 88 #if defined(COMPILER2) || defined(SHARK) |
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89 ciTypeFlow* _flow; |
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90 BCEscapeAnalyzer* _bcea; |
0 | 91 #endif |
92 | |
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93 ciMethod(methodHandle h_m, ciInstanceKlass* holder); |
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94 ciMethod(ciInstanceKlass* holder, ciSymbol* name, ciSymbol* signature, ciInstanceKlass* accessor); |
0 | 95 |
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96 Method* get_Method() const { |
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97 Method* m = (Method*)_metadata; |
0 | 98 assert(m != NULL, "illegal use of unloaded method"); |
99 return m; | |
100 } | |
101 | |
102 oop loader() const { return _holder->loader(); } | |
103 | |
104 const char* type_string() { return "ciMethod"; } | |
105 | |
106 void print_impl(outputStream* st); | |
107 | |
108 void load_code(); | |
109 | |
110 void check_is_loaded() const { assert(is_loaded(), "not loaded"); } | |
111 | |
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112 bool ensure_method_data(methodHandle h_m); |
0 | 113 |
114 void code_at_put(int bci, Bytecodes::Code code) { | |
115 Bytecodes::check(code); | |
116 assert(0 <= bci && bci < code_size(), "valid bci"); | |
117 address bcp = _code + bci; | |
118 *bcp = code; | |
119 } | |
120 | |
12966 | 121 // Check bytecode and profile data collected are compatible |
122 void assert_virtual_call_type_ok(int bci); | |
123 void assert_call_type_ok(int bci); | |
124 | |
0 | 125 public: |
126 // Basic method information. | |
127 ciFlags flags() const { check_is_loaded(); return _flags; } | |
128 ciSymbol* name() const { return _name; } | |
129 ciInstanceKlass* holder() const { return _holder; } | |
130 ciMethodData* method_data(); | |
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131 ciMethodData* method_data_or_null(); |
0 | 132 |
133 // Signature information. | |
134 ciSignature* signature() const { return _signature; } | |
135 ciType* return_type() const { return _signature->return_type(); } | |
136 int arg_size_no_receiver() const { return _signature->size(); } | |
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137 // Can only be used on loaded ciMethods |
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138 int arg_size() const { |
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139 check_is_loaded(); |
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140 return _signature->size() + (_flags.is_static() ? 0 : 1); |
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141 } |
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142 // Report the number of elements on stack when invoking this method. |
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143 // This is different than the regular arg_size because invokedynamic |
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144 // has an implicit receiver. |
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145 int invoke_arg_size(Bytecodes::Code code) const { |
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146 if (is_loaded()) { |
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147 return arg_size(); |
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148 } else { |
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149 int arg_size = _signature->size(); |
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150 // Add a receiver argument, maybe: |
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151 if (code != Bytecodes::_invokestatic && |
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152 code != Bytecodes::_invokedynamic) { |
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153 arg_size++; |
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154 } |
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155 return arg_size; |
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156 } |
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157 } |
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158 |
0 | 159 |
160 // Method code and related information. | |
161 address code() { if (_code == NULL) load_code(); return _code; } | |
162 int code_size() const { check_is_loaded(); return _code_size; } | |
163 int max_stack() const { check_is_loaded(); return _max_stack; } | |
164 int max_locals() const { check_is_loaded(); return _max_locals; } | |
165 vmIntrinsics::ID intrinsic_id() const { check_is_loaded(); return _intrinsic_id; } | |
166 bool has_exception_handlers() const { check_is_loaded(); return _handler_count > 0; } | |
167 int exception_table_length() const { check_is_loaded(); return _handler_count; } | |
168 int interpreter_invocation_count() const { check_is_loaded(); return _interpreter_invocation_count; } | |
169 int interpreter_throwout_count() const { check_is_loaded(); return _interpreter_throwout_count; } | |
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170 int size_of_parameters() const { check_is_loaded(); return _size_of_parameters; } |
0 | 171 |
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172 // Code size for inlining decisions. |
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173 int code_size_for_inlining(); |
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174 |
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175 bool caller_sensitive() { return get_Method()->caller_sensitive(); } |
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176 bool force_inline() { return get_Method()->force_inline(); } |
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177 bool dont_inline() { return get_Method()->dont_inline(); } |
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178 |
1783 | 179 int comp_level(); |
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180 int highest_osr_comp_level(); |
1783 | 181 |
0 | 182 Bytecodes::Code java_code_at_bci(int bci) { |
183 address bcp = code() + bci; | |
2142 | 184 return Bytecodes::java_code_at(NULL, bcp); |
0 | 185 } |
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186 Bytecodes::Code raw_code_at_bci(int bci) { |
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187 address bcp = code() + bci; |
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188 return Bytecodes::code_at(NULL, bcp); |
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189 } |
0 | 190 BCEscapeAnalyzer *get_bcea(); |
191 ciMethodBlocks *get_method_blocks(); | |
192 | |
193 bool has_linenumber_table() const; // length unknown until decompression | |
194 u_char* compressed_linenumber_table() const; // not preserved by gc | |
195 | |
196 int line_number_from_bci(int bci) const; | |
197 | |
198 // Runtime information. | |
199 int vtable_index(); | |
1692 | 200 #ifdef SHARK |
201 int itable_index(); | |
202 #endif // SHARK | |
0 | 203 address native_entry(); |
204 address interpreter_entry(); | |
205 | |
206 // Analysis and profiling. | |
207 // | |
208 // Usage note: liveness_at_bci and init_vars should be wrapped in ResourceMarks. | |
209 bool has_monitor_bytecodes() const { return _uses_monitors; } | |
210 bool has_balanced_monitors(); | |
211 | |
991 | 212 // Returns a bitmap indicating which locals are required to be |
213 // maintained as live for deopt. raw_liveness_at_bci is always the | |
214 // direct output of the liveness computation while liveness_at_bci | |
215 // may mark all locals as live to improve support for debugging Java | |
216 // code by maintaining the state of as many locals as possible. | |
217 MethodLivenessResult raw_liveness_at_bci(int bci); | |
0 | 218 MethodLivenessResult liveness_at_bci(int bci); |
219 | |
220 // Get the interpreters viewpoint on oop liveness. MethodLiveness is | |
221 // conservative in the sense that it may consider locals to be live which | |
222 // cannot be live, like in the case where a local could contain an oop or | |
223 // a primitive along different paths. In that case the local must be | |
224 // dead when those paths merge. Since the interpreter's viewpoint is | |
225 // used when gc'ing an interpreter frame we need to use its viewpoint | |
226 // during OSR when loading the locals. | |
227 | |
228 BitMap live_local_oops_at_bci(int bci); | |
229 | |
230 #ifdef COMPILER1 | |
231 const BitMap bci_block_start(); | |
232 #endif | |
233 | |
234 ciTypeFlow* get_flow_analysis(); | |
235 ciTypeFlow* get_osr_flow_analysis(int osr_bci); // alternate entry point | |
236 ciCallProfile call_profile_at_bci(int bci); | |
237 int interpreter_call_site_count(int bci); | |
238 | |
12966 | 239 // Does type profiling provide a useful type at this point? |
240 ciKlass* argument_profiled_type(int bci, int i); | |
241 ciKlass* parameter_profiled_type(int i); | |
242 ciKlass* return_profiled_type(int bci); | |
243 | |
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244 ciField* get_field_at_bci( int bci, bool &will_link); |
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245 ciMethod* get_method_at_bci(int bci, bool &will_link, ciSignature* *declared_signature); |
0 | 246 // Given a certain calling environment, find the monomorphic target |
247 // for the call. Return NULL if the call is not monomorphic in | |
248 // its calling environment. | |
249 ciMethod* find_monomorphic_target(ciInstanceKlass* caller, | |
250 ciInstanceKlass* callee_holder, | |
251 ciInstanceKlass* actual_receiver); | |
252 | |
253 // Given a known receiver klass, find the target for the call. | |
254 // Return NULL if the call has no target or is abstract. | |
255 ciMethod* resolve_invoke(ciKlass* caller, ciKlass* exact_receiver); | |
256 | |
257 // Find the proper vtable index to invoke this method. | |
258 int resolve_vtable_index(ciKlass* caller, ciKlass* receiver); | |
259 | |
260 // Compilation directives | |
261 bool should_exclude(); | |
262 bool should_inline(); | |
263 bool should_not_inline(); | |
264 bool should_print_assembly(); | |
265 bool break_at_execute(); | |
266 bool has_option(const char *option); | |
20430 | 267 template<typename T> |
268 bool has_option_value(const char* option, T& value); | |
0 | 269 bool can_be_compiled(); |
270 bool can_be_osr_compiled(int entry_bci); | |
7998 | 271 void set_not_compilable(const char* reason = NULL); |
0 | 272 bool has_compiled_code(); |
273 void log_nmethod_identity(xmlStream* log); | |
274 bool is_not_reached(int bci); | |
275 bool was_executed_more_than(int times); | |
276 bool has_unloaded_classes_in_signature(); | |
277 bool is_klass_loaded(int refinfo_index, bool must_be_resolved) const; | |
278 bool check_call(int refinfo_index, bool is_static) const; | |
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279 bool ensure_method_data(); // make sure it exists in the VM also |
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280 MethodCounters* ensure_method_counters(); |
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281 int instructions_size(); |
0 | 282 int scale_count(int count, float prof_factor = 1.); // make MDO count commensurate with IIC |
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283 |
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284 // Stack walking support |
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285 bool is_ignored_by_security_stack_walk() const; |
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286 |
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287 // JSR 292 support |
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288 bool is_method_handle_intrinsic() const; |
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289 bool is_compiled_lambda_form() const; |
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290 bool has_member_arg() const; |
0 | 291 |
292 // What kind of ciObject is this? | |
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293 bool is_method() const { return true; } |
0 | 294 |
295 // Java access flags | |
296 bool is_public () const { return flags().is_public(); } | |
297 bool is_private () const { return flags().is_private(); } | |
298 bool is_protected () const { return flags().is_protected(); } | |
299 bool is_static () const { return flags().is_static(); } | |
300 bool is_final () const { return flags().is_final(); } | |
301 bool is_synchronized() const { return flags().is_synchronized(); } | |
302 bool is_native () const { return flags().is_native(); } | |
303 bool is_interface () const { return flags().is_interface(); } | |
304 bool is_abstract () const { return flags().is_abstract(); } | |
305 bool is_strict () const { return flags().is_strict(); } | |
306 | |
307 // Other flags | |
308 bool is_empty_method() const; | |
309 bool is_vanilla_constructor() const; | |
310 bool is_final_method() const { return is_final() || holder()->is_final(); } | |
311 bool has_loops () const; | |
312 bool has_jsrs () const; | |
313 bool is_accessor () const; | |
314 bool is_initializer () const; | |
315 bool can_be_statically_bound() const { return _can_be_statically_bound; } | |
10278 | 316 bool is_boxing_method() const; |
317 bool is_unboxing_method() const; | |
0 | 318 |
14232 | 319 // Replay data methods |
320 void dump_name_as_ascii(outputStream* st); | |
321 void dump_replay_data(outputStream* st); | |
322 | |
0 | 323 // Print the bytecodes of this method. |
324 void print_codes_on(outputStream* st); | |
325 void print_codes() { | |
326 print_codes_on(tty); | |
327 } | |
328 void print_codes_on(int from, int to, outputStream* st); | |
329 | |
330 // Print the name of this method in various incarnations. | |
331 void print_name(outputStream* st = tty); | |
332 void print_short_name(outputStream* st = tty); | |
333 }; | |
1972 | 334 |
335 #endif // SHARE_VM_CI_CIMETHOD_HPP |