1 /*
2 * Copyright (c) 2005, 2006, Oracle and/or its affiliates. All rights reserved.
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 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #include "incls/_precompiled.incl"
26 #include "incls/_c1_CFGPrinter.cpp.incl"
27
28 #ifndef PRODUCT
29
30
31 class CFGPrinterOutput : public CHeapObj {
32 private:
33 outputStream* _output;
34
35 Compilation* _compilation;
36 bool _do_print_HIR;
37 bool _do_print_LIR;
38
39 class PrintBlockClosure: public BlockClosure {
40 void block_do(BlockBegin* block) { if (block != NULL) CFGPrinter::output()->print_block(block); }
41 };
42
43
44 outputStream* output() { assert(_output != NULL, ""); return _output; }
45
46 void inc_indent();
47 void dec_indent();
48 void print(const char* format, ...);
49 void print_begin(const char* tag);
50 void print_end(const char* tag);
51
52 char* method_name(ciMethod* method, bool short_name = false);
53
54 public:
55 CFGPrinterOutput();
56
57 void set_compilation(Compilation* compilation) { _compilation = compilation; }
58 void set_print_flags(bool do_print_HIR, bool do_print_LIR) { _do_print_HIR = do_print_HIR; _do_print_LIR = do_print_LIR; }
59
60 void print_compilation();
61 void print_intervals(IntervalList* intervals, const char* name);
62
63 void print_state(BlockBegin* block);
64 void print_operand(Value instr);
65 void print_HIR(Value instr);
66 void print_HIR(BlockBegin* block);
67 void print_LIR(BlockBegin* block);
68 void print_block(BlockBegin* block);
69 void print_cfg(BlockList* blocks, const char* name);
70 void print_cfg(IR* blocks, const char* name);
71 };
72
73 CFGPrinterOutput* CFGPrinter::_output = NULL;
74
75
76
77
78 void CFGPrinter::print_compilation(Compilation* compilation) {
79 if (_output == NULL) {
80 _output = new CFGPrinterOutput();
81 }
82 output()->set_compilation(compilation);
83 output()->print_compilation();
84 }
85
86 void CFGPrinter::print_cfg(BlockList* blocks, const char* name, bool do_print_HIR, bool do_print_LIR) {
87 output()->set_print_flags(do_print_HIR, do_print_LIR);
88 output()->print_cfg(blocks, name);
89 }
90
91 void CFGPrinter::print_cfg(IR* blocks, const char* name, bool do_print_HIR, bool do_print_LIR) {
92 output()->set_print_flags(do_print_HIR, do_print_LIR);
93 output()->print_cfg(blocks, name);
94 }
95
96
97 void CFGPrinter::print_intervals(IntervalList* intervals, const char* name) {
98 output()->print_intervals(intervals, name);
99 }
100
101
102
103 CFGPrinterOutput::CFGPrinterOutput()
104 : _output(new(ResourceObj::C_HEAP) fileStream("output.cfg"))
105 {
106 }
107
108
109
110 void CFGPrinterOutput::inc_indent() {
111 output()->inc();
112 output()->inc();
113 }
114
115 void CFGPrinterOutput::dec_indent() {
116 output()->dec();
117 output()->dec();
118 }
119
120 void CFGPrinterOutput::print(const char* format, ...) {
121 output()->indent();
122
123 va_list ap;
124 va_start(ap, format);
125 output()->vprint_cr(format, ap);
126 va_end(ap);
127 }
128
129 void CFGPrinterOutput::print_begin(const char* tag) {
130 output()->indent();
131 output()->print_cr("begin_%s", tag);
132 inc_indent();
133 }
134
135 void CFGPrinterOutput::print_end(const char* tag) {
136 dec_indent();
137 output()->indent();
138 output()->print_cr("end_%s", tag);
139 }
140
141
142 char* CFGPrinterOutput::method_name(ciMethod* method, bool short_name) {
143 stringStream name;
144 if (short_name) {
145 method->print_short_name(&name);
146 } else {
147 method->print_name(&name);
148 }
149 return name.as_string();
150
151 }
152
153
154 void CFGPrinterOutput::print_compilation() {
155 print_begin("compilation");
156
157 print("name \"%s\"", method_name(_compilation->method(), true));
158 print("method \"%s\"", method_name(_compilation->method()));
159 print("date "INT64_FORMAT, os::javaTimeMillis());
160
161 print_end("compilation");
162 }
163
164
165
166
167
168 void CFGPrinterOutput::print_state(BlockBegin* block) {
169 print_begin("states");
170
171 InstructionPrinter ip(true, output());
172
173 ValueStack* state = block->state();
174 int index;
175 Value value;
176
177 if (state->stack_size() > 0) {
178 print_begin("stack");
179 print("size %d", state->stack_size());
180
181 for_each_stack_value(state, index, value) {
182 ip.print_phi(index, value, block);
183 print_operand(value);
184 output()->cr();
185 }
186
187 print_end("stack");
188 }
189
190 if (state->locks_size() > 0) {
191 print_begin("locks");
192 print("size %d", state->locks_size());
193
194 for_each_lock_value(state, index, value) {
195 ip.print_phi(index, value, block);
196 print_operand(value);
197 output()->cr();
198 }
199 print_end("locks");
200 }
201
202 for_each_state(state) {
203 print_begin("locals");
204 print("size %d", state->locals_size());
205 print("method \"%s\"", method_name(state->scope()->method()));
206
207 for_each_local_value(state, index, value) {
208 ip.print_phi(index, value, block);
209 print_operand(value);
210 output()->cr();
211 }
212 print_end("locals");
213 }
214
215 print_end("states");
216 }
217
218
219 void CFGPrinterOutput::print_operand(Value instr) {
220 if (instr->operand()->is_virtual()) {
221 output()->print(" \"");
222 instr->operand()->print(output());
223 output()->print("\" ");
224 }
225 }
226
227 void CFGPrinterOutput::print_HIR(Value instr) {
228 InstructionPrinter ip(true, output());
229
230 if (instr->is_pinned()) {
231 output()->put('.');
232 }
233 output()->print("%d %d ", instr->bci(), instr->use_count());
234
235 print_operand(instr);
236
237 ip.print_temp(instr);
238 output()->print(" ");
239 ip.print_instr(instr);
240
241 output()->print_cr(" <|@");
242 }
243
244 void CFGPrinterOutput::print_HIR(BlockBegin* block) {
245 print_begin("HIR");
246
247 Value cur = block->next();
248 while (cur != NULL) {
249 print_HIR(cur);
250 cur = cur->next();
251 }
252
253 print_end("HIR");
254 }
255
256 void CFGPrinterOutput::print_LIR(BlockBegin* block) {
257 print_begin("LIR");
258
259 for (int i = 0; i < block->lir()->length(); i++) {
260 block->lir()->at(i)->print_on(output());
261 output()->print_cr(" <|@ ");
262 }
263
264 print_end("LIR");
265 }
266
267
268 void CFGPrinterOutput::print_block(BlockBegin* block) {
269 print_begin("block");
270
271 print("name \"B%d\"", block->block_id());
272
273 print("from_bci %d", block->bci());
274 print("to_bci %d", (block->end() == NULL ? -1 : block->end()->bci()));
275
276 output()->indent();
277 output()->print("predecessors ");
278 int i;
279 for (i = 0; i < block->number_of_preds(); i++) {
280 output()->print("\"B%d\" ", block->pred_at(i)->block_id());
281 }
282 output()->cr();
283
284 output()->indent();
285 output()->print("successors ");
286 for (i = 0; i < block->number_of_sux(); i++) {
287 output()->print("\"B%d\" ", block->sux_at(i)->block_id());
288 }
289 output()->cr();
290
291 output()->indent();
292 output()->print("xhandlers");
293 for (i = 0; i < block->number_of_exception_handlers(); i++) {
294 output()->print("\"B%d\" ", block->exception_handler_at(i)->block_id());
295 }
296 output()->cr();
297
298 output()->indent();
299 output()->print("flags ");
300 if (block->is_set(BlockBegin::std_entry_flag)) output()->print("\"std\" ");
301 if (block->is_set(BlockBegin::osr_entry_flag)) output()->print("\"osr\" ");
302 if (block->is_set(BlockBegin::exception_entry_flag)) output()->print("\"ex\" ");
303 if (block->is_set(BlockBegin::subroutine_entry_flag)) output()->print("\"sr\" ");
304 if (block->is_set(BlockBegin::backward_branch_target_flag)) output()->print("\"bb\" ");
305 if (block->is_set(BlockBegin::parser_loop_header_flag)) output()->print("\"plh\" ");
306 if (block->is_set(BlockBegin::critical_edge_split_flag)) output()->print("\"ces\" ");
307 if (block->is_set(BlockBegin::linear_scan_loop_header_flag)) output()->print("\"llh\" ");
308 if (block->is_set(BlockBegin::linear_scan_loop_end_flag)) output()->print("\"lle\" ");
309 output()->cr();
310
311 if (block->dominator() != NULL) {
312 print("dominator \"B%d\"", block->dominator()->block_id());
313 }
314 if (block->loop_index() != -1) {
315 print("loop_index %d", block->loop_index());
316 print("loop_depth %d", block->loop_depth());
317 }
318
319 if (block->first_lir_instruction_id() != -1) {
320 print("first_lir_id %d", block->first_lir_instruction_id());
321 print("last_lir_id %d", block->last_lir_instruction_id());
322 }
323
324 if (_do_print_HIR) {
325 print_state(block);
326 print_HIR(block);
327 }
328
329 if (_do_print_LIR) {
330 print_LIR(block);
331 }
332
333 print_end("block");
334 }
335
336
337
338 void CFGPrinterOutput::print_cfg(BlockList* blocks, const char* name) {
339 print_begin("cfg");
340 print("name \"%s\"", name);
341
342 PrintBlockClosure print_block;
343 blocks->iterate_forward(&print_block);
344
345 print_end("cfg");
346 output()->flush();
347 }
348
349 void CFGPrinterOutput::print_cfg(IR* blocks, const char* name) {
350 print_begin("cfg");
351 print("name \"%s\"", name);
352
353 PrintBlockClosure print_block;
354 blocks->iterate_preorder(&print_block);
355
356 print_end("cfg");
357 output()->flush();
358 }
359
360
361
362
363 void CFGPrinterOutput::print_intervals(IntervalList* intervals, const char* name) {
364 print_begin("intervals");
365 print("name \"%s\"", name);
366
367 for (int i = 0; i < intervals->length(); i++) {
368 if (intervals->at(i) != NULL) {
369 intervals->at(i)->print(output());
370 }
371 }
372
373 print_end("intervals");
374 output()->flush();
375 }
376
377
378 #endif