-
Notifications
You must be signed in to change notification settings - Fork 138
/
debug.c
463 lines (327 loc) · 9.66 KB
/
debug.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
/*
* Copyright (C) 2002-2010, Parrot Foundation.
*/
/*
=head1 NAME
compilers/imcc/debug.c
=head1 DESCRIPTION
print debug info of various structures
handle info/error/warning messages from imcc
=head2 Functions
=over 4
=cut
*/
#include "imc.h"
#include "parrot/io.h"
/* HEADERIZER HFILE: compilers/imcc/debug.h */
/*
=item C<void IMCC_fatal(PARROT_INTERP, int code, const char *fmt, ...)>
Prints out a fatal error message from IMCC and throws an
IMCC_FATAL_EXCEPTION.
=cut
*/
PARROT_DOES_NOT_RETURN
void
IMCC_fatal(PARROT_INTERP, SHIM(int code), ARGIN(const char *fmt), ...)
{
ASSERT_ARGS(IMCC_fatal)
va_list ap;
va_start(ap, fmt);
IMCC_INFO(interp)->error_message = Parrot_vsprintf_c(interp, fmt, ap);
va_end(ap);
IMCC_THROW(IMCC_INFO(interp)->jump_buf, IMCC_FATAL_EXCEPTION);
}
/*
=item C<void IMCC_fataly(PARROT_INTERP, int code, const char *fmt, ...)>
Throws an IMCC_FATALY_EXCEPTION.
=cut
*/
PARROT_DOES_NOT_RETURN
void
IMCC_fataly(PARROT_INTERP, SHIM(int code), ARGIN(const char *fmt), ...)
{
ASSERT_ARGS(IMCC_fataly)
va_list ap;
va_start(ap, fmt);
IMCC_INFO(interp)->error_message = Parrot_vsprintf_c(interp, fmt, ap);
va_end(ap);
IMCC_THROW(IMCC_INFO(interp)->jump_buf, IMCC_FATALY_EXCEPTION);
}
/*
=item C<void IMCC_fatal_standalone(PARROT_INTERP, int code, const char *fmt,
...)>
Prints an error message from IMCC and exits Parrot. This is not a
recoverable exception but a forced exit.
=cut
*/
PARROT_DOES_NOT_RETURN
void
IMCC_fatal_standalone(PARROT_INTERP, int code, ARGIN(const char *fmt), ...)
{
ASSERT_ARGS(IMCC_fatal_standalone)
va_list ap;
va_start(ap, fmt);
imcc_vfprintf(interp, Parrot_io_STDERR(interp), fmt, ap);
va_end(ap);
Parrot_x_jump_out_error(interp, code);
}
/*
=item C<void IMCC_warning(PARROT_INTERP, const char *fmt, ...)>
Prints a warning message, but does not throw an exception and does not
cause Parrot to exit.
=cut
*/
void
IMCC_warning(PARROT_INTERP, ARGIN(const char *fmt), ...)
{
ASSERT_ARGS(IMCC_warning)
va_list ap;
va_start(ap, fmt);
imcc_vfprintf(interp, Parrot_io_STDERR(interp), fmt, ap);
va_end(ap);
}
/*
=item C<void IMCC_info(PARROT_INTERP, int level, const char *fmt, ...)>
Prints some information, if the level of the information is higher
then IMCC's verbose mode.
=cut
*/
void
IMCC_info(PARROT_INTERP, int level, ARGIN(const char *fmt), ...)
{
ASSERT_ARGS(IMCC_info)
va_list ap;
if (level > IMCC_INFO(interp)->verbose)
return;
va_start(ap, fmt);
imcc_vfprintf(interp, Parrot_io_STDERR(interp), fmt, ap);
va_end(ap);
}
/*
=item C<void IMCC_debug(PARROT_INTERP, int level, const char *fmt, ...)>
Prints a debug message, if IMCC's debug mode is turned on.
=cut
*/
void
IMCC_debug(PARROT_INTERP, int level, ARGIN(const char *fmt), ...)
{
ASSERT_ARGS(IMCC_debug)
va_list ap;
if (!(level & IMCC_INFO(interp)->debug))
return;
va_start(ap, fmt);
imcc_vfprintf(interp, Parrot_io_STDERR(interp), fmt, ap);
va_end(ap);
}
/*
=item C<void dump_instructions(PARROT_INTERP, const IMC_Unit *unit)>
Dumps the current instruction status of IMCC
=cut
*/
void
dump_instructions(PARROT_INTERP, ARGIN(const IMC_Unit *unit))
{
ASSERT_ARGS(dump_instructions)
const Instruction *ins;
int pc;
Parrot_io_eprintf(interp,
"\nDumping the instructions status:"
"\n-------------------------------\n");
Parrot_io_eprintf(interp,
"nins line blck deep flags\t type opnr size pc X ins\n");
for (pc = 0, ins = unit->instructions; ins; ins = ins->next) {
const Basic_block * const bb = unit->bb_list[ins->bbindex];
if (bb) {
Parrot_io_eprintf(interp,
"%4i %4d %4d %4d\t%x\t%8x %4d %4d %4d ",
ins->index, ins->line, bb->index, bb->loop_depth,
ins->flags, ins->type, OP_INFO_OPNUM(ins->op),
ins->opsize, pc);
}
else {
Parrot_io_eprintf(interp, "\t");
}
Parrot_io_eprintf(interp, "%s\n", ins->opname);
ins_print(interp, PIO_STDHANDLE(interp, PIO_STDERR_FILENO), ins);
pc += ins->opsize;
}
Parrot_io_eprintf(interp, "\n");
}
/*
=item C<void dump_cfg(const IMC_Unit *unit)>
Dumps the current IMCC config data.
=cut
*/
void
dump_cfg(ARGIN(const IMC_Unit *unit))
{
ASSERT_ARGS(dump_cfg)
unsigned int i;
Edge *e;
fprintf(stderr, "\nDumping the CFG:\n-------------------------------\n");
for (i = 0; i < unit->n_basic_blocks; i++) {
const Basic_block * const bb = unit->bb_list[i];
fprintf(stderr, "%d (%d)\t -> ", bb->index, bb->loop_depth);
for (e = bb->succ_list; e; e = e->succ_next) {
fprintf(stderr, "%d ", e->to->index);
}
fprintf(stderr, "\t\t <- ");
for (e = bb->pred_list; e; e = e->pred_next) {
fprintf(stderr, "%d ", e->from->index);
}
fprintf(stderr, "\n");
}
fprintf(stderr, "\n");
}
/*
=item C<void dump_loops(const IMC_Unit *unit)>
Dumps the current loops in the IMC_Unit C<unit>.
=cut
*/
void
dump_loops(ARGIN(const IMC_Unit *unit))
{
ASSERT_ARGS(dump_loops)
int i;
Loop_info ** loop_info = unit->loop_info;
fprintf(stderr, "Loop info\n---------\n");
for (i = 0; i < unit->n_loops; i++) {
const Set * const loop = loop_info[i]->loop;
const Set * const exits = loop_info[i]->exits;
unsigned int j;
fprintf(stderr,
"Loop %d, depth %d, size %d, header %d, preheader %d\n",
i, loop_info[i]->depth,
loop_info[i]->size, loop_info[i]->header,
loop_info[i]->preheader);
fprintf(stderr, " Contains blocks: ");
for (j = 0; j < unit->n_basic_blocks; j++)
if (set_contains(loop, j))
fprintf(stderr, "%d ", j);
fprintf(stderr, "\n Exit blocks: ");
for (j = 0; j < unit->n_basic_blocks; j++)
if (set_contains(exits, j))
fprintf(stderr, "%d ", j);
fprintf(stderr, "\n");
}
fprintf(stderr, "\n");
}
/*
=item C<void dump_labels(const IMC_Unit *unit)>
Dumps the list of labels in IMC_Unit C<unit>.
=cut
*/
void
dump_labels(ARGIN(const IMC_Unit *unit))
{
ASSERT_ARGS(dump_labels)
const SymHash * const hsh = &unit->hash;
unsigned int i;
fprintf(stderr, "Labels\n");
fprintf(stderr, "name\tpos\tlast ref\n"
"-----------------------\n");
for (i = 0; i < hsh->size; i++) {
const SymReg *r;
for (r = hsh->data[i]; r; r = r->next) {
if (r && (r->type & VTADDRESS))
fprintf(stderr, "%s\t%d\t%d\n",
r->name,
r->first_ins ? (int)r->first_ins->index : -1,
r->last_ins ? (int)r->last_ins->index : -1);
}
}
fprintf(stderr, "\n");
}
/*
=item C<void dump_symreg(const IMC_Unit *unit)>
Dumps a list of the symbolic registers in IMC_Unit C<unit>
=cut
*/
void
dump_symreg(ARGIN(const IMC_Unit *unit))
{
ASSERT_ARGS(dump_symreg)
unsigned int i;
SymReg ** const reglist = unit->reglist;
if (!reglist)
return;
fprintf(stderr,
"\nSymbols:"
"\n----------------------------------------------\n");
fprintf(stderr, "name\tfirst\tlast\t1.blk\t-blk\tset col \t"
"used\tlhs_use\tregp\tus flgs\n"
"----------------------------------------------\n");
for (i = 0; i < unit->n_symbols; i++) {
const SymReg * const r = reglist[i];
if (!REG_NEEDS_ALLOC(r))
continue;
if (!r->first_ins)
continue;
fprintf(stderr, "%s \t%d\t%d\t%d\t%d\t%c %2d %2d\t%d\t%d\t%s\t%lx\n",
r->name,
r->first_ins->index, r->last_ins->index,
r->first_ins->bbindex, r->last_ins->bbindex,
r->set,
(int)r->color, r->want_regno,
r->use_count, r->lhs_use_count,
r->reg ? r->reg->name : "",
(UINTVAL)r->usage);
}
fprintf(stderr, "\n");
}
/*
=item C<void dump_dominators(const IMC_Unit *unit)>
Dumps the current list of dominators for the current IMC_Unit C<unit>.
=cut
*/
void
dump_dominators(ARGIN(const IMC_Unit *unit))
{
ASSERT_ARGS(dump_dominators)
unsigned int i;
fprintf(stderr, "\nDumping the Dominators Tree:"
"\n-------------------------------\n");
for (i = 0; i < unit->n_basic_blocks; i++) {
unsigned int j;
fprintf(stderr, "%2d <- (%2d)", i, unit->idoms[i]);
for (j = 0; j < unit->n_basic_blocks; j++) {
if (set_contains(unit->dominators[i], j))
fprintf(stderr, " %2d", j);
}
fprintf(stderr, "\n");
}
fprintf(stderr, "\n");
}
/*
=item C<void dump_dominance_frontiers(const IMC_Unit *unit)>
Dumps the list of dominance frontiers for the current IMC_Unit C<unit>.
=cut
*/
void
dump_dominance_frontiers(ARGIN(const IMC_Unit *unit))
{
ASSERT_ARGS(dump_dominance_frontiers)
unsigned int i;
fprintf(stderr, "\nDumping the Dominance Frontiers:"
"\n-------------------------------\n");
for (i = 0; i < unit->n_basic_blocks; i++) {
unsigned int j;
fprintf(stderr, "%2d <-", i);
for (j = 0; j < unit->n_basic_blocks; j++) {
if (set_contains(unit->dominance_frontiers[i], j))
fprintf(stderr, " %2d", j);
}
fprintf(stderr, "\n");
}
fprintf(stderr, "\n");
}
/*
=back
=cut
*/
/*
* Local variables:
* c-file-style: "parrot"
* End:
* vim: expandtab shiftwidth=4 cinoptions='\:2=2' :
*/