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cmd: Fix German translation.
[wine/hramrach.git] / dlls / dbghelp / msc.c
blob2932d2690f71099f50b2ca01dc9a90fe0d30d1d4
1 /*
2 * File msc.c - read VC++ debug information from COFF and eventually
3 * from PDB files.
4 *
5 * Copyright (C) 1996, Eric Youngdale.
6 * Copyright (C) 1999-2000, Ulrich Weigand.
7 * Copyright (C) 2004-2009, Eric Pouech.
8 *
9 * This library is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public
11 * License as published by the Free Software Foundation; either
12 * version 2.1 of the License, or (at your option) any later version.
13 *
14 * This library is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Lesser General Public License for more details.
18 *
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with this library; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
22 */
23
24 /*
25 * Note - this handles reading debug information for 32 bit applications
26 * that run under Windows-NT for example. I doubt that this would work well
27 * for 16 bit applications, but I don't think it really matters since the
28 * file format is different, and we should never get in here in such cases.
29 *
30 * TODO:
31 * Get 16 bit CV stuff working.
32 * Add symbol size to internal symbol table.
33 */
34
35 #define NONAMELESSUNION
36
37 #include "config.h"
38 #include "wine/port.h"
39
40 #include <assert.h>
41 #include <stdio.h>
42 #include <stdlib.h>
43
44 #include <string.h>
45 #ifdef HAVE_UNISTD_H
46 # include <unistd.h>
47 #endif
48 #ifndef PATH_MAX
49 #define PATH_MAX MAX_PATH
50 #endif
51 #include <stdarg.h>
52 #include "windef.h"
53 #include "winbase.h"
54 #include "winternl.h"
55
56 #include "wine/exception.h"
57 #include "wine/debug.h"
58 #include "dbghelp_private.h"
59 #include "wine/mscvpdb.h"
60
61 WINE_DEFAULT_DEBUG_CHANNEL(dbghelp_msc);
62
63 #define MAX_PATHNAME_LEN 1024
64
65 /*========================================================================
66 * Debug file access helper routines
67 */
68
69 static void dump(const void* ptr, unsigned len)
70 {
71 unsigned int i, j;
72 char msg[128];
73 const char* hexof = "0123456789abcdef";
74 const BYTE* x = ptr;
75
76 for (i = 0; i < len; i += 16)
77 {
78 sprintf(msg, "%08x: ", i);
79 memset(msg + 10, ' ', 3 * 16 + 1 + 16);
80 for (j = 0; j < min(16, len - i); j++)
81 {
82 msg[10 + 3 * j + 0] = hexof[x[i + j] >> 4];
83 msg[10 + 3 * j + 1] = hexof[x[i + j] & 15];
84 msg[10 + 3 * j + 2] = ' ';
85 msg[10 + 3 * 16 + 1 + j] = (x[i + j] >= 0x20 && x[i + j] < 0x7f) ?
86 x[i + j] : '.';
87 }
88 msg[10 + 3 * 16] = ' ';
89 msg[10 + 3 * 16 + 1 + 16] = '\0';
90 FIXME("%s\n", msg);
91 }
92 }
93
94 /*========================================================================
95 * Process CodeView type information.
96 */
97
98 #define MAX_BUILTIN_TYPES 0x0480
99 #define FIRST_DEFINABLE_TYPE 0x1000
100
101 static struct symt* cv_basic_types[MAX_BUILTIN_TYPES];
102
103 struct cv_defined_module
104 {
105 BOOL allowed;
106 unsigned int num_defined_types;
107 struct symt** defined_types;
108 };
109 /* FIXME: don't make it static */
110 #define CV_MAX_MODULES 32
111 static struct cv_defined_module cv_zmodules[CV_MAX_MODULES];
112 static struct cv_defined_module*cv_current_module;
113
114 static void codeview_init_basic_types(struct module* module)
115 {
116 /*
117 * These are the common builtin types that are used by VC++.
118 */
119 cv_basic_types[T_NOTYPE] = NULL;
120 cv_basic_types[T_ABS] = NULL;
121 cv_basic_types[T_VOID] = &symt_new_basic(module, btVoid, "void", 0)->symt;
122 cv_basic_types[T_CHAR] = &symt_new_basic(module, btChar, "char", 1)->symt;
123 cv_basic_types[T_SHORT] = &symt_new_basic(module, btInt, "short int", 2)->symt;
124 cv_basic_types[T_LONG] = &symt_new_basic(module, btInt, "long int", 4)->symt;
125 cv_basic_types[T_QUAD] = &symt_new_basic(module, btInt, "long long int", 8)->symt;
126 cv_basic_types[T_UCHAR] = &symt_new_basic(module, btUInt, "unsigned char", 1)->symt;
127 cv_basic_types[T_USHORT] = &symt_new_basic(module, btUInt, "unsigned short", 2)->symt;
128 cv_basic_types[T_ULONG] = &symt_new_basic(module, btUInt, "unsigned long", 4)->symt;
129 cv_basic_types[T_UQUAD] = &symt_new_basic(module, btUInt, "unsigned long long", 8)->symt;
130 cv_basic_types[T_BOOL08] = &symt_new_basic(module, btBool, "BOOL08", 1)->symt;
131 cv_basic_types[T_BOOL16] = &symt_new_basic(module, btBool, "BOOL16", 2)->symt;
132 cv_basic_types[T_BOOL32] = &symt_new_basic(module, btBool, "BOOL32", 4)->symt;
133 cv_basic_types[T_BOOL64] = &symt_new_basic(module, btBool, "BOOL64", 8)->symt;
134 cv_basic_types[T_REAL32] = &symt_new_basic(module, btFloat, "float", 4)->symt;
135 cv_basic_types[T_REAL64] = &symt_new_basic(module, btFloat, "double", 8)->symt;
136 cv_basic_types[T_REAL80] = &symt_new_basic(module, btFloat, "long double", 10)->symt;
137 cv_basic_types[T_RCHAR] = &symt_new_basic(module, btInt, "signed char", 1)->symt;
138 cv_basic_types[T_WCHAR] = &symt_new_basic(module, btWChar, "wchar_t", 2)->symt;
139 cv_basic_types[T_INT2] = &symt_new_basic(module, btInt, "INT2", 2)->symt;
140 cv_basic_types[T_UINT2] = &symt_new_basic(module, btUInt, "UINT2", 2)->symt;
141 cv_basic_types[T_INT4] = &symt_new_basic(module, btInt, "INT4", 4)->symt;
142 cv_basic_types[T_UINT4] = &symt_new_basic(module, btUInt, "UINT4", 4)->symt;
143 cv_basic_types[T_INT8] = &symt_new_basic(module, btInt, "INT8", 8)->symt;
144 cv_basic_types[T_UINT8] = &symt_new_basic(module, btUInt, "UINT8", 8)->symt;
145 cv_basic_types[T_HRESULT]= &symt_new_basic(module, btUInt, "HRESULT", 4)->symt;
146
147 cv_basic_types[T_32PVOID] = &symt_new_pointer(module, cv_basic_types[T_VOID])->symt;
148 cv_basic_types[T_32PCHAR] = &symt_new_pointer(module, cv_basic_types[T_CHAR])->symt;
149 cv_basic_types[T_32PSHORT] = &symt_new_pointer(module, cv_basic_types[T_SHORT])->symt;
150 cv_basic_types[T_32PLONG] = &symt_new_pointer(module, cv_basic_types[T_LONG])->symt;
151 cv_basic_types[T_32PQUAD] = &symt_new_pointer(module, cv_basic_types[T_QUAD])->symt;
152 cv_basic_types[T_32PUCHAR] = &symt_new_pointer(module, cv_basic_types[T_UCHAR])->symt;
153 cv_basic_types[T_32PUSHORT] = &symt_new_pointer(module, cv_basic_types[T_USHORT])->symt;
154 cv_basic_types[T_32PULONG] = &symt_new_pointer(module, cv_basic_types[T_ULONG])->symt;
155 cv_basic_types[T_32PUQUAD] = &symt_new_pointer(module, cv_basic_types[T_UQUAD])->symt;
156 cv_basic_types[T_32PBOOL08] = &symt_new_pointer(module, cv_basic_types[T_BOOL08])->symt;
157 cv_basic_types[T_32PBOOL16] = &symt_new_pointer(module, cv_basic_types[T_BOOL16])->symt;
158 cv_basic_types[T_32PBOOL32] = &symt_new_pointer(module, cv_basic_types[T_BOOL32])->symt;
159 cv_basic_types[T_32PBOOL64] = &symt_new_pointer(module, cv_basic_types[T_BOOL64])->symt;
160 cv_basic_types[T_32PREAL32] = &symt_new_pointer(module, cv_basic_types[T_REAL32])->symt;
161 cv_basic_types[T_32PREAL64] = &symt_new_pointer(module, cv_basic_types[T_REAL64])->symt;
162 cv_basic_types[T_32PREAL80] = &symt_new_pointer(module, cv_basic_types[T_REAL80])->symt;
163 cv_basic_types[T_32PRCHAR] = &symt_new_pointer(module, cv_basic_types[T_RCHAR])->symt;
164 cv_basic_types[T_32PWCHAR] = &symt_new_pointer(module, cv_basic_types[T_WCHAR])->symt;
165 cv_basic_types[T_32PINT2] = &symt_new_pointer(module, cv_basic_types[T_INT2])->symt;
166 cv_basic_types[T_32PUINT2] = &symt_new_pointer(module, cv_basic_types[T_UINT2])->symt;
167 cv_basic_types[T_32PINT4] = &symt_new_pointer(module, cv_basic_types[T_INT4])->symt;
168 cv_basic_types[T_32PUINT4] = &symt_new_pointer(module, cv_basic_types[T_UINT4])->symt;
169 cv_basic_types[T_32PINT8] = &symt_new_pointer(module, cv_basic_types[T_INT8])->symt;
170 cv_basic_types[T_32PUINT8] = &symt_new_pointer(module, cv_basic_types[T_UINT8])->symt;
171 cv_basic_types[T_32PHRESULT]= &symt_new_pointer(module, cv_basic_types[T_HRESULT])->symt;
172 }
173
174 static int leaf_as_variant(VARIANT* v, const unsigned short int* leaf)
175 {
176 unsigned short int type = *leaf++;
177 int length = 2;
178
179 if (type < LF_NUMERIC)
180 {
181 v->n1.n2.vt = VT_UINT;
182 v->n1.n2.n3.uintVal = type;
183 }
184 else
185 {
186 switch (type)
187 {
188 case LF_CHAR:
189 length += 1;
190 v->n1.n2.vt = VT_I1;
191 v->n1.n2.n3.cVal = *(const char*)leaf;
192 break;
193
194 case LF_SHORT:
195 length += 2;
196 v->n1.n2.vt = VT_I2;
197 v->n1.n2.n3.iVal = *(const short*)leaf;
198 break;
199
200 case LF_USHORT:
201 length += 2;
202 v->n1.n2.vt = VT_UI2;
203 v->n1.n2.n3.uiVal = *leaf;
204 break;
205
206 case LF_LONG:
207 length += 4;
208 v->n1.n2.vt = VT_I4;
209 v->n1.n2.n3.lVal = *(const int*)leaf;
210 break;
211
212 case LF_ULONG:
213 length += 4;
214 v->n1.n2.vt = VT_UI4;
215 v->n1.n2.n3.uiVal = *(const unsigned int*)leaf;
216 break;
217
218 case LF_QUADWORD:
219 length += 8;
220 v->n1.n2.vt = VT_I8;
221 v->n1.n2.n3.llVal = *(const long long int*)leaf;
222 break;
223
224 case LF_UQUADWORD:
225 length += 8;
226 v->n1.n2.vt = VT_UI8;
227 v->n1.n2.n3.ullVal = *(const long long unsigned int*)leaf;
228 break;
229
230 case LF_REAL32:
231 length += 4;
232 v->n1.n2.vt = VT_R4;
233 v->n1.n2.n3.fltVal = *(const float*)leaf;
234 break;
235
236 case LF_REAL48:
237 FIXME("Unsupported numeric leaf type %04x\n", type);
238 length += 6;
239 v->n1.n2.vt = VT_EMPTY; /* FIXME */
240 break;
241
242 case LF_REAL64:
243 length += 8;
244 v->n1.n2.vt = VT_R8;
245 v->n1.n2.n3.fltVal = *(const double*)leaf;
246 break;
247
248 case LF_REAL80:
249 FIXME("Unsupported numeric leaf type %04x\n", type);
250 length += 10;
251 v->n1.n2.vt = VT_EMPTY; /* FIXME */
252 break;
253
254 case LF_REAL128:
255 FIXME("Unsupported numeric leaf type %04x\n", type);
256 length += 16;
257 v->n1.n2.vt = VT_EMPTY; /* FIXME */
258 break;
259
260 case LF_COMPLEX32:
261 FIXME("Unsupported numeric leaf type %04x\n", type);
262 length += 4;
263 v->n1.n2.vt = VT_EMPTY; /* FIXME */
264 break;
265
266 case LF_COMPLEX64:
267 FIXME("Unsupported numeric leaf type %04x\n", type);
268 length += 8;
269 v->n1.n2.vt = VT_EMPTY; /* FIXME */
270 break;
271
272 case LF_COMPLEX80:
273 FIXME("Unsupported numeric leaf type %04x\n", type);
274 length += 10;
275 v->n1.n2.vt = VT_EMPTY; /* FIXME */
276 break;
277
278 case LF_COMPLEX128:
279 FIXME("Unsupported numeric leaf type %04x\n", type);
280 length += 16;
281 v->n1.n2.vt = VT_EMPTY; /* FIXME */
282 break;
283
284 case LF_VARSTRING:
285 FIXME("Unsupported numeric leaf type %04x\n", type);
286 length += 2 + *leaf;
287 v->n1.n2.vt = VT_EMPTY; /* FIXME */
288 break;
289
290 default:
291 FIXME("Unknown numeric leaf type %04x\n", type);
292 v->n1.n2.vt = VT_EMPTY; /* FIXME */
293 break;
294 }
295 }
296
297 return length;
298 }
299
300 static int numeric_leaf(int* value, const unsigned short int* leaf)
301 {
302 unsigned short int type = *leaf++;
303 int length = 2;
304
305 if (type < LF_NUMERIC)
306 {
307 *value = type;
308 }
309 else
310 {
311 switch (type)
312 {
313 case LF_CHAR:
314 length += 1;
315 *value = *(const char*)leaf;
316 break;
317
318 case LF_SHORT:
319 length += 2;
320 *value = *(const short*)leaf;
321 break;
322
323 case LF_USHORT:
324 length += 2;
325 *value = *leaf;
326 break;
327
328 case LF_LONG:
329 length += 4;
330 *value = *(const int*)leaf;
331 break;
332
333 case LF_ULONG:
334 length += 4;
335 *value = *(const unsigned int*)leaf;
336 break;
337
338 case LF_QUADWORD:
339 case LF_UQUADWORD:
340 FIXME("Unsupported numeric leaf type %04x\n", type);
341 length += 8;
342 *value = 0; /* FIXME */
343 break;
344
345 case LF_REAL32:
346 FIXME("Unsupported numeric leaf type %04x\n", type);
347 length += 4;
348 *value = 0; /* FIXME */
349 break;
350
351 case LF_REAL48:
352 FIXME("Unsupported numeric leaf type %04x\n", type);
353 length += 6;
354 *value = 0; /* FIXME */
355 break;
356
357 case LF_REAL64:
358 FIXME("Unsupported numeric leaf type %04x\n", type);
359 length += 8;
360 *value = 0; /* FIXME */
361 break;
362
363 case LF_REAL80:
364 FIXME("Unsupported numeric leaf type %04x\n", type);
365 length += 10;
366 *value = 0; /* FIXME */
367 break;
368
369 case LF_REAL128:
370 FIXME("Unsupported numeric leaf type %04x\n", type);
371 length += 16;
372 *value = 0; /* FIXME */
373 break;
374
375 case LF_COMPLEX32:
376 FIXME("Unsupported numeric leaf type %04x\n", type);
377 length += 4;
378 *value = 0; /* FIXME */
379 break;
380
381 case LF_COMPLEX64:
382 FIXME("Unsupported numeric leaf type %04x\n", type);
383 length += 8;
384 *value = 0; /* FIXME */
385 break;
386
387 case LF_COMPLEX80:
388 FIXME("Unsupported numeric leaf type %04x\n", type);
389 length += 10;
390 *value = 0; /* FIXME */
391 break;
392
393 case LF_COMPLEX128:
394 FIXME("Unsupported numeric leaf type %04x\n", type);
395 length += 16;
396 *value = 0; /* FIXME */
397 break;
398
399 case LF_VARSTRING:
400 FIXME("Unsupported numeric leaf type %04x\n", type);
401 length += 2 + *leaf;
402 *value = 0; /* FIXME */
403 break;
404
405 default:
406 FIXME("Unknown numeric leaf type %04x\n", type);
407 *value = 0;
408 break;
409 }
410 }
411
412 return length;
413 }
414
415 /* convert a pascal string (as stored in debug information) into
416 * a C string (null terminated).
417 */
418 static const char* terminate_string(const struct p_string* p_name)
419 {
420 static char symname[256];
421
422 memcpy(symname, p_name->name, p_name->namelen);
423 symname[p_name->namelen] = '\0';
424
425 return (!*symname || strcmp(symname, "__unnamed") == 0) ? NULL : symname;
426 }
427
428 static struct symt* codeview_get_type(unsigned int typeno, BOOL quiet)
429 {
430 struct symt* symt = NULL;
431
432 /*
433 * Convert Codeview type numbers into something we can grok internally.
434 * Numbers < FIRST_DEFINABLE_TYPE are all fixed builtin types.
435 * Numbers from FIRST_DEFINABLE_TYPE and up are all user defined (structs, etc).
436 */
437 if (typeno < FIRST_DEFINABLE_TYPE)
438 {
439 if (typeno < MAX_BUILTIN_TYPES)
440 symt = cv_basic_types[typeno];
441 }
442 else
443 {
444 unsigned mod_index = typeno >> 24;
445 unsigned mod_typeno = typeno & 0x00FFFFFF;
446 struct cv_defined_module* mod;
447
448 mod = (mod_index == 0) ? cv_current_module : &cv_zmodules[mod_index];
449
450 if (mod_index >= CV_MAX_MODULES || !mod->allowed)
451 FIXME("Module of index %d isn't loaded yet (%x)\n", mod_index, typeno);
452 else
453 {
454 if (mod_typeno - FIRST_DEFINABLE_TYPE < mod->num_defined_types)
455 symt = mod->defined_types[mod_typeno - FIRST_DEFINABLE_TYPE];
456 }
457 }
458 if (!quiet && !symt && typeno) FIXME("Returning NULL symt for type-id %x\n", typeno);
459 return symt;
460 }
461
462 struct codeview_type_parse
463 {
464 struct module* module;
465 const BYTE* table;
466 const DWORD* offset;
467 DWORD num;
468 };
469
470 static inline const void* codeview_jump_to_type(const struct codeview_type_parse* ctp, DWORD idx)
471 {
472 if (idx < FIRST_DEFINABLE_TYPE) return NULL;
473 idx -= FIRST_DEFINABLE_TYPE;
474 return (idx >= ctp->num) ? NULL : (ctp->table + ctp->offset[idx]);
475 }
476
477 static int codeview_add_type(unsigned int typeno, struct symt* dt)
478 {
479 if (typeno < FIRST_DEFINABLE_TYPE)
480 FIXME("What the heck\n");
481 if (!cv_current_module)
482 {
483 FIXME("Adding %x to non allowed module\n", typeno);
484 return FALSE;
485 }
486 if ((typeno >> 24) != 0)
487 FIXME("No module index while inserting type-id assumption is wrong %x\n",
488 typeno);
489 if (typeno - FIRST_DEFINABLE_TYPE >= cv_current_module->num_defined_types)
490 {
491 if (cv_current_module->defined_types)
492 {
493 cv_current_module->num_defined_types = max( cv_current_module->num_defined_types * 2,
494 typeno - FIRST_DEFINABLE_TYPE + 1 );
495 cv_current_module->defined_types = HeapReAlloc(GetProcessHeap(),
496 HEAP_ZERO_MEMORY, cv_current_module->defined_types,
497 cv_current_module->num_defined_types * sizeof(struct symt*));
498 }
499 else
500 {
501 cv_current_module->num_defined_types = max( 256, typeno - FIRST_DEFINABLE_TYPE + 1 );
502 cv_current_module->defined_types = HeapAlloc(GetProcessHeap(),
503 HEAP_ZERO_MEMORY,
504 cv_current_module->num_defined_types * sizeof(struct symt*));
505 }
506 if (cv_current_module->defined_types == NULL) return FALSE;
507 }
508 if (cv_current_module->defined_types[typeno - FIRST_DEFINABLE_TYPE])
509 {
510 if (cv_current_module->defined_types[typeno - FIRST_DEFINABLE_TYPE] != dt)
511 FIXME("Overwriting at %x\n", typeno);
512 }
513 cv_current_module->defined_types[typeno - FIRST_DEFINABLE_TYPE] = dt;
514 return TRUE;
515 }
516
517 static void codeview_clear_type_table(void)
518 {
519 int i;
520
521 for (i = 0; i < CV_MAX_MODULES; i++)
522 {
523 if (cv_zmodules[i].allowed)
524 HeapFree(GetProcessHeap(), 0, cv_zmodules[i].defined_types);
525 cv_zmodules[i].allowed = FALSE;
526 cv_zmodules[i].defined_types = NULL;
527 cv_zmodules[i].num_defined_types = 0;
528 }
529 cv_current_module = NULL;
530 }
531
532 static struct symt* codeview_parse_one_type(struct codeview_type_parse* ctp,
533 unsigned curr_type,
534 const union codeview_type* type, BOOL details);
535
536 static void* codeview_cast_symt(struct symt* symt, enum SymTagEnum tag)
537 {
538 if (symt->tag != tag)
539 {
540 FIXME("Bad tag. Expected %d, but got %d\n", tag, symt->tag);
541 return NULL;
542 }
543 return symt;
544 }
545
546 static struct symt* codeview_fetch_type(struct codeview_type_parse* ctp,
547 unsigned typeno, BOOL details)
548 {
549 struct symt* symt;
550 const union codeview_type* p;
551
552 if (!typeno) return NULL;
553 if ((symt = codeview_get_type(typeno, TRUE))) return symt;
554
555 /* forward declaration */
556 if (!(p = codeview_jump_to_type(ctp, typeno)))
557 {
558 FIXME("Cannot locate type %x\n", typeno);
559 return NULL;
560 }
561 symt = codeview_parse_one_type(ctp, typeno, p, details);
562 if (!symt) FIXME("Couldn't load forward type %x\n", typeno);
563 return symt;
564 }
565
566 static struct symt* codeview_add_type_pointer(struct codeview_type_parse* ctp,
567 struct symt* existing,
568 unsigned int pointee_type)
569 {
570 struct symt* pointee;
571
572 if (existing)
573 {
574 existing = codeview_cast_symt(existing, SymTagPointerType);
575 return existing;
576 }
577 pointee = codeview_fetch_type(ctp, pointee_type, FALSE);
578 return &symt_new_pointer(ctp->module, pointee)->symt;
579 }
580
581 static struct symt* codeview_add_type_array(struct codeview_type_parse* ctp,
582 const char* name,
583 unsigned int elemtype,
584 unsigned int indextype,
585 unsigned int arr_len)
586 {
587 struct symt* elem = codeview_fetch_type(ctp, elemtype, FALSE);
588 struct symt* index = codeview_fetch_type(ctp, indextype, FALSE);
589 DWORD arr_max = 0;
590
591 if (elem)
592 {
593 DWORD64 elem_size;
594 symt_get_info(elem, TI_GET_LENGTH, &elem_size);
595 if (elem_size) arr_max = arr_len / (DWORD)elem_size;
596 }
597 return &symt_new_array(ctp->module, 0, arr_max, elem, index)->symt;
598 }
599
600 static int codeview_add_type_enum_field_list(struct module* module,
601 struct symt_enum* symt,
602 const union codeview_reftype* ref_type)
603 {
604 const unsigned char* ptr = ref_type->fieldlist.list;
605 const unsigned char* last = (const BYTE*)ref_type + ref_type->generic.len + 2;
606 const union codeview_fieldtype* type;
607
608 while (ptr < last)
609 {
610 if (*ptr >= 0xf0) /* LF_PAD... */
611 {
612 ptr += *ptr & 0x0f;
613 continue;
614 }
615
616 type = (const union codeview_fieldtype*)ptr;
617
618 switch (type->generic.id)
619 {
620 case LF_ENUMERATE_V1:
621 {
622 int value, vlen = numeric_leaf(&value, &type->enumerate_v1.value);
623 const struct p_string* p_name = (const struct p_string*)((const unsigned char*)&type->enumerate_v1.value + vlen);
624
625 symt_add_enum_element(module, symt, terminate_string(p_name), value);
626 ptr += 2 + 2 + vlen + (1 + p_name->namelen);
627 break;
628 }
629 case LF_ENUMERATE_V3:
630 {
631 int value, vlen = numeric_leaf(&value, &type->enumerate_v3.value);
632 const char* name = (const char*)&type->enumerate_v3.value + vlen;
633
634 symt_add_enum_element(module, symt, name, value);
635 ptr += 2 + 2 + vlen + (1 + strlen(name));
636 break;
637 }
638
639 default:
640 FIXME("Unsupported type %04x in ENUM field list\n", type->generic.id);
641 return FALSE;
642 }
643 }
644 return TRUE;
645 }
646
647 static void codeview_add_udt_element(struct codeview_type_parse* ctp,
648 struct symt_udt* symt, const char* name,
649 int value, unsigned type)
650 {
651 struct symt* subtype;
652 const union codeview_reftype*cv_type;
653
654 if ((cv_type = codeview_jump_to_type(ctp, type)))
655 {
656 switch (cv_type->generic.id)
657 {
658 case LF_BITFIELD_V1:
659 symt_add_udt_element(ctp->module, symt, name,
660 codeview_fetch_type(ctp, cv_type->bitfield_v1.type, FALSE),
661 (value << 3) + cv_type->bitfield_v1.bitoff,
662 cv_type->bitfield_v1.nbits);
663 return;
664 case LF_BITFIELD_V2:
665 symt_add_udt_element(ctp->module, symt, name,
666 codeview_fetch_type(ctp, cv_type->bitfield_v2.type, FALSE),
667 (value << 3) + cv_type->bitfield_v2.bitoff,
668 cv_type->bitfield_v2.nbits);
669 return;
670 }
671 }
672 subtype = codeview_fetch_type(ctp, type, FALSE);
673
674 if (subtype)
675 {
676 DWORD64 elem_size = 0;
677 symt_get_info(subtype, TI_GET_LENGTH, &elem_size);
678 symt_add_udt_element(ctp->module, symt, name, subtype,
679 value << 3, (DWORD)elem_size << 3);
680 }
681 }
682
683 static int codeview_add_type_struct_field_list(struct codeview_type_parse* ctp,
684 struct symt_udt* symt,
685 unsigned fieldlistno)
686 {
687 const unsigned char* ptr;
688 const unsigned char* last;
689 int value, leaf_len;
690 const struct p_string* p_name;
691 const char* c_name;
692 const union codeview_reftype*type_ref;
693 const union codeview_fieldtype* type;
694
695 if (!fieldlistno) return TRUE;
696 type_ref = codeview_jump_to_type(ctp, fieldlistno);
697 ptr = type_ref->fieldlist.list;
698 last = (const BYTE*)type_ref + type_ref->generic.len + 2;
699
700 while (ptr < last)
701 {
702 if (*ptr >= 0xf0) /* LF_PAD... */
703 {
704 ptr += *ptr & 0x0f;
705 continue;
706 }
707
708 type = (const union codeview_fieldtype*)ptr;
709
710 switch (type->generic.id)
711 {
712 case LF_BCLASS_V1:
713 leaf_len = numeric_leaf(&value, &type->bclass_v1.offset);
714
715 /* FIXME: ignored for now */
716
717 ptr += 2 + 2 + 2 + leaf_len;
718 break;
719
720 case LF_BCLASS_V2:
721 leaf_len = numeric_leaf(&value, &type->bclass_v2.offset);
722
723 /* FIXME: ignored for now */
724
725 ptr += 2 + 2 + 4 + leaf_len;
726 break;
727
728 case LF_VBCLASS_V1:
729 case LF_IVBCLASS_V1:
730 {
731 const unsigned short int* p_vboff;
732 int vpoff, vplen;
733 leaf_len = numeric_leaf(&value, &type->vbclass_v1.vbpoff);
734 p_vboff = (const unsigned short int*)((const char*)&type->vbclass_v1.vbpoff + leaf_len);
735 vplen = numeric_leaf(&vpoff, p_vboff);
736
737 /* FIXME: ignored for now */
738
739 ptr += 2 + 2 + 2 + 2 + leaf_len + vplen;
740 }
741 break;
742
743 case LF_VBCLASS_V2:
744 case LF_IVBCLASS_V2:
745 {
746 const unsigned short int* p_vboff;
747 int vpoff, vplen;
748 leaf_len = numeric_leaf(&value, &type->vbclass_v2.vbpoff);
749 p_vboff = (const unsigned short int*)((const char*)&type->vbclass_v2.vbpoff + leaf_len);
750 vplen = numeric_leaf(&vpoff, p_vboff);
751
752 /* FIXME: ignored for now */
753
754 ptr += 2 + 2 + 4 + 4 + leaf_len + vplen;
755 }
756 break;
757
758 case LF_MEMBER_V1:
759 leaf_len = numeric_leaf(&value, &type->member_v1.offset);
760 p_name = (const struct p_string*)((const char*)&type->member_v1.offset + leaf_len);
761
762 codeview_add_udt_element(ctp, symt, terminate_string(p_name), value,
763 type->member_v1.type);
764
765 ptr += 2 + 2 + 2 + leaf_len + (1 + p_name->namelen);
766 break;
767
768 case LF_MEMBER_V2:
769 leaf_len = numeric_leaf(&value, &type->member_v2.offset);
770 p_name = (const struct p_string*)((const unsigned char*)&type->member_v2.offset + leaf_len);
771
772 codeview_add_udt_element(ctp, symt, terminate_string(p_name), value,
773 type->member_v2.type);
774
775 ptr += 2 + 2 + 4 + leaf_len + (1 + p_name->namelen);
776 break;
777
778 case LF_MEMBER_V3:
779 leaf_len = numeric_leaf(&value, &type->member_v3.offset);
780 c_name = (const char*)&type->member_v3.offset + leaf_len;
781
782 codeview_add_udt_element(ctp, symt, c_name, value, type->member_v3.type);
783
784 ptr += 2 + 2 + 4 + leaf_len + (strlen(c_name) + 1);
785 break;
786
787 case LF_STMEMBER_V1:
788 /* FIXME: ignored for now */
789 ptr += 2 + 2 + 2 + (1 + type->stmember_v1.p_name.namelen);
790 break;
791
792 case LF_STMEMBER_V2:
793 /* FIXME: ignored for now */
794 ptr += 2 + 4 + 2 + (1 + type->stmember_v2.p_name.namelen);
795 break;
796
797 case LF_STMEMBER_V3:
798 /* FIXME: ignored for now */
799 ptr += 2 + 4 + 2 + (strlen(type->stmember_v3.name) + 1);
800 break;
801
802 case LF_METHOD_V1:
803 /* FIXME: ignored for now */
804 ptr += 2 + 2 + 2 + (1 + type->method_v1.p_name.namelen);
805 break;
806
807 case LF_METHOD_V2:
808 /* FIXME: ignored for now */
809 ptr += 2 + 2 + 4 + (1 + type->method_v2.p_name.namelen);
810 break;
811
812 case LF_METHOD_V3:
813 /* FIXME: ignored for now */
814 ptr += 2 + 2 + 4 + (strlen(type->method_v3.name) + 1);
815 break;
816
817 case LF_NESTTYPE_V1:
818 /* FIXME: ignored for now */
819 ptr += 2 + 2 + (1 + type->nesttype_v1.p_name.namelen);
820 break;
821
822 case LF_NESTTYPE_V2:
823 /* FIXME: ignored for now */
824 ptr += 2 + 2 + 4 + (1 + type->nesttype_v2.p_name.namelen);
825 break;
826
827 case LF_NESTTYPE_V3:
828 /* FIXME: ignored for now */
829 ptr += 2 + 2 + 4 + (strlen(type->nesttype_v3.name) + 1);
830 break;
831
832 case LF_VFUNCTAB_V1:
833 /* FIXME: ignored for now */
834 ptr += 2 + 2;
835 break;
836
837 case LF_VFUNCTAB_V2:
838 /* FIXME: ignored for now */
839 ptr += 2 + 2 + 4;
840 break;
841
842 case LF_ONEMETHOD_V1:
843 /* FIXME: ignored for now */
844 switch ((type->onemethod_v1.attribute >> 2) & 7)
845 {
846 case 4: case 6: /* (pure) introducing virtual method */
847 ptr += 2 + 2 + 2 + 4 + (1 + type->onemethod_virt_v1.p_name.namelen);
848 break;
849
850 default:
851 ptr += 2 + 2 + 2 + (1 + type->onemethod_v1.p_name.namelen);
852 break;
853 }
854 break;
855
856 case LF_ONEMETHOD_V2:
857 /* FIXME: ignored for now */
858 switch ((type->onemethod_v2.attribute >> 2) & 7)
859 {
860 case 4: case 6: /* (pure) introducing virtual method */
861 ptr += 2 + 2 + 4 + 4 + (1 + type->onemethod_virt_v2.p_name.namelen);
862 break;
863
864 default:
865 ptr += 2 + 2 + 4 + (1 + type->onemethod_v2.p_name.namelen);
866 break;
867 }
868 break;
869
870 case LF_ONEMETHOD_V3:
871 /* FIXME: ignored for now */
872 switch ((type->onemethod_v3.attribute >> 2) & 7)
873 {
874 case 4: case 6: /* (pure) introducing virtual method */
875 ptr += 2 + 2 + 4 + 4 + (strlen(type->onemethod_virt_v3.name) + 1);
876 break;
877
878 default:
879 ptr += 2 + 2 + 4 + (strlen(type->onemethod_v3.name) + 1);
880 break;
881 }
882 break;
883
884 default:
885 FIXME("Unsupported type %04x in STRUCT field list\n", type->generic.id);
886 return FALSE;
887 }
888 }
889
890 return TRUE;
891 }
892
893 static struct symt* codeview_add_type_enum(struct codeview_type_parse* ctp,
894 struct symt* existing,
895 const char* name,
896 unsigned fieldlistno,
897 unsigned basetype)
898 {
899 struct symt_enum* symt;
900
901 if (existing)
902 {
903 if (!(symt = codeview_cast_symt(existing, SymTagEnum))) return NULL;
904 /* should also check that all fields are the same */
905 }
906 else
907 {
908 symt = symt_new_enum(ctp->module, name,
909 codeview_fetch_type(ctp, basetype, FALSE));
910 if (fieldlistno)
911 {
912 const union codeview_reftype* fieldlist;
913 fieldlist = codeview_jump_to_type(ctp, fieldlistno);
914 codeview_add_type_enum_field_list(ctp->module, symt, fieldlist);
915 }
916 }
917 return &symt->symt;
918 }
919
920 static struct symt* codeview_add_type_struct(struct codeview_type_parse* ctp,
921 struct symt* existing,
922 const char* name, int structlen,
923 enum UdtKind kind, unsigned property)
924 {
925 struct symt_udt* symt;
926
927 /* if we don't have an existing type, try to find one with same name
928 * FIXME: what to do when several types in different CUs have same name ?
929 */
930 if (!existing)
931 {
932 void* ptr;
933 struct symt_ht* type;
934 struct hash_table_iter hti;
935
936 hash_table_iter_init(&ctp->module->ht_types, &hti, name);
937 while ((ptr = hash_table_iter_up(&hti)))
938 {
939 type = GET_ENTRY(ptr, struct symt_ht, hash_elt);
940
941 if (type->symt.tag == SymTagUDT &&
942 type->hash_elt.name && !strcmp(type->hash_elt.name, name))
943 {
944 existing = &type->symt;
945 break;
946 }
947 }
948 }
949 if (existing)
950 {
951 if (!(symt = codeview_cast_symt(existing, SymTagUDT))) return NULL;
952 /* should also check that all fields are the same */
953 if (!(property & 0x80)) /* 0x80 = forward declaration */
954 {
955 if (!symt->size) /* likely prior forward declaration, set UDT size */
956 symt_set_udt_size(ctp->module, symt, structlen);
957 else /* different UDT with same name, create a new type */
958 existing = NULL;
959 }
960 }
961 if (!existing) symt = symt_new_udt(ctp->module, name, structlen, kind);
962
963 return &symt->symt;
964 }
965
966 static struct symt* codeview_new_func_signature(struct codeview_type_parse* ctp,
967 struct symt* existing,
968 enum CV_call_e call_conv)
969 {
970 struct symt_function_signature* sym;
971
972 if (existing)
973 {
974 sym = codeview_cast_symt(existing, SymTagFunctionType);
975 if (!sym) return NULL;
976 }
977 else
978 {
979 sym = symt_new_function_signature(ctp->module, NULL, call_conv);
980 }
981 return &sym->symt;
982 }
983
984 static void codeview_add_func_signature_args(struct codeview_type_parse* ctp,
985 struct symt_function_signature* sym,
986 unsigned ret_type,
987 unsigned args_list)
988 {
989 const union codeview_reftype* reftype;
990
991 sym->rettype = codeview_fetch_type(ctp, ret_type, FALSE);
992 if (args_list && (reftype = codeview_jump_to_type(ctp, args_list)))
993 {
994 unsigned int i;
995 switch (reftype->generic.id)
996 {
997 case LF_ARGLIST_V1:
998 for (i = 0; i < reftype->arglist_v1.num; i++)
999 symt_add_function_signature_parameter(ctp->module, sym,
1000 codeview_fetch_type(ctp, reftype->arglist_v1.args[i], FALSE));
1001 break;
1002 case LF_ARGLIST_V2:
1003 for (i = 0; i < reftype->arglist_v2.num; i++)
1004 symt_add_function_signature_parameter(ctp->module, sym,
1005 codeview_fetch_type(ctp, reftype->arglist_v2.args[i], FALSE));
1006 break;
1007 default:
1008 FIXME("Unexpected leaf %x for signature's pmt\n", reftype->generic.id);
1009 }
1010 }
1011 }
1012
1013 static struct symt* codeview_parse_one_type(struct codeview_type_parse* ctp,
1014 unsigned curr_type,
1015 const union codeview_type* type, BOOL details)
1016 {
1017 struct symt* symt;
1018 int value, leaf_len;
1019 const struct p_string* p_name;
1020 const char* c_name;
1021 struct symt* existing;
1022
1023 existing = codeview_get_type(curr_type, TRUE);
1024
1025 switch (type->generic.id)
1026 {
1027 case LF_MODIFIER_V1:
1028 /* FIXME: we don't handle modifiers,
1029 * but read previous type on the curr_type
1030 */
1031 WARN("Modifier on %x: %s%s%s%s\n",
1032 type->modifier_v1.type,
1033 type->modifier_v1.attribute & 0x01 ? "const " : "",
1034 type->modifier_v1.attribute & 0x02 ? "volatile " : "",
1035 type->modifier_v1.attribute & 0x04 ? "unaligned " : "",
1036 type->modifier_v1.attribute & ~0x07 ? "unknown " : "");
1037 symt = codeview_fetch_type(ctp, type->modifier_v1.type, details);
1038 break;
1039 case LF_MODIFIER_V2:
1040 /* FIXME: we don't handle modifiers, but readd previous type on the curr_type */
1041 WARN("Modifier on %x: %s%s%s%s\n",
1042 type->modifier_v2.type,
1043 type->modifier_v2.attribute & 0x01 ? "const " : "",
1044 type->modifier_v2.attribute & 0x02 ? "volatile " : "",
1045 type->modifier_v2.attribute & 0x04 ? "unaligned " : "",
1046 type->modifier_v2.attribute & ~0x07 ? "unknown " : "");
1047 symt = codeview_fetch_type(ctp, type->modifier_v2.type, details);
1048 break;
1049
1050 case LF_POINTER_V1:
1051 symt = codeview_add_type_pointer(ctp, existing, type->pointer_v1.datatype);
1052 break;
1053 case LF_POINTER_V2:
1054 symt = codeview_add_type_pointer(ctp, existing, type->pointer_v2.datatype);
1055 break;
1056
1057 case LF_ARRAY_V1:
1058 if (existing) symt = codeview_cast_symt(existing, SymTagArrayType);
1059 else
1060 {
1061 leaf_len = numeric_leaf(&value, &type->array_v1.arrlen);
1062 p_name = (const struct p_string*)((const unsigned char*)&type->array_v1.arrlen + leaf_len);
1063 symt = codeview_add_type_array(ctp, terminate_string(p_name),
1064 type->array_v1.elemtype,
1065 type->array_v1.idxtype, value);
1066 }
1067 break;
1068 case LF_ARRAY_V2:
1069 if (existing) symt = codeview_cast_symt(existing, SymTagArrayType);
1070 else
1071 {
1072 leaf_len = numeric_leaf(&value, &type->array_v2.arrlen);
1073 p_name = (const struct p_string*)((const unsigned char*)&type->array_v2.arrlen + leaf_len);
1074
1075 symt = codeview_add_type_array(ctp, terminate_string(p_name),
1076 type->array_v2.elemtype,
1077 type->array_v2.idxtype, value);
1078 }
1079 break;
1080 case LF_ARRAY_V3:
1081 if (existing) symt = codeview_cast_symt(existing, SymTagArrayType);
1082 else
1083 {
1084 leaf_len = numeric_leaf(&value, &type->array_v3.arrlen);
1085 c_name = (const char*)&type->array_v3.arrlen + leaf_len;
1086
1087 symt = codeview_add_type_array(ctp, c_name,
1088 type->array_v3.elemtype,
1089 type->array_v3.idxtype, value);
1090 }
1091 break;
1092
1093 case LF_STRUCTURE_V1:
1094 case LF_CLASS_V1:
1095 leaf_len = numeric_leaf(&value, &type->struct_v1.structlen);
1096 p_name = (const struct p_string*)((const unsigned char*)&type->struct_v1.structlen + leaf_len);
1097 symt = codeview_add_type_struct(ctp, existing, terminate_string(p_name), value,
1098 type->generic.id == LF_CLASS_V1 ? UdtClass : UdtStruct,
1099 type->struct_v1.property);
1100 if (details)
1101 {
1102 codeview_add_type(curr_type, symt);
1103 codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
1104 type->struct_v1.fieldlist);
1105 }
1106 break;
1107
1108 case LF_STRUCTURE_V2:
1109 case LF_CLASS_V2:
1110 leaf_len = numeric_leaf(&value, &type->struct_v2.structlen);
1111 p_name = (const struct p_string*)((const unsigned char*)&type->struct_v2.structlen + leaf_len);
1112 symt = codeview_add_type_struct(ctp, existing, terminate_string(p_name), value,
1113 type->generic.id == LF_CLASS_V2 ? UdtClass : UdtStruct,
1114 type->struct_v2.property);
1115 if (details)
1116 {
1117 codeview_add_type(curr_type, symt);
1118 codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
1119 type->struct_v2.fieldlist);
1120 }
1121 break;
1122
1123 case LF_STRUCTURE_V3:
1124 case LF_CLASS_V3:
1125 leaf_len = numeric_leaf(&value, &type->struct_v3.structlen);
1126 c_name = (const char*)&type->struct_v3.structlen + leaf_len;
1127 symt = codeview_add_type_struct(ctp, existing, c_name, value,
1128 type->generic.id == LF_CLASS_V3 ? UdtClass : UdtStruct,
1129 type->struct_v3.property);
1130 if (details)
1131 {
1132 codeview_add_type(curr_type, symt);
1133 codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
1134 type->struct_v3.fieldlist);
1135 }
1136 break;
1137
1138 case LF_UNION_V1:
1139 leaf_len = numeric_leaf(&value, &type->union_v1.un_len);
1140 p_name = (const struct p_string*)((const unsigned char*)&type->union_v1.un_len + leaf_len);
1141 symt = codeview_add_type_struct(ctp, existing, terminate_string(p_name),
1142 value, UdtUnion, type->union_v1.property);
1143 if (details)
1144 {
1145 codeview_add_type(curr_type, symt);
1146 codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
1147 type->union_v1.fieldlist);
1148 }
1149 break;
1150
1151 case LF_UNION_V2:
1152 leaf_len = numeric_leaf(&value, &type->union_v2.un_len);
1153 p_name = (const struct p_string*)((const unsigned char*)&type->union_v2.un_len + leaf_len);
1154 symt = codeview_add_type_struct(ctp, existing, terminate_string(p_name),
1155 value, UdtUnion, type->union_v2.property);
1156 if (details)
1157 {
1158 codeview_add_type(curr_type, symt);
1159 codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
1160 type->union_v2.fieldlist);
1161 }
1162 break;
1163
1164 case LF_UNION_V3:
1165 leaf_len = numeric_leaf(&value, &type->union_v3.un_len);
1166 c_name = (const char*)&type->union_v3.un_len + leaf_len;
1167 symt = codeview_add_type_struct(ctp, existing, c_name,
1168 value, UdtUnion, type->union_v3.property);
1169 if (details)
1170 {
1171 codeview_add_type(curr_type, symt);
1172 codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
1173 type->union_v3.fieldlist);
1174 }
1175 break;
1176
1177 case LF_ENUM_V1:
1178 symt = codeview_add_type_enum(ctp, existing,
1179 terminate_string(&type->enumeration_v1.p_name),
1180 type->enumeration_v1.fieldlist,
1181 type->enumeration_v1.type);
1182 break;
1183
1184 case LF_ENUM_V2:
1185 symt = codeview_add_type_enum(ctp, existing,
1186 terminate_string(&type->enumeration_v2.p_name),
1187 type->enumeration_v2.fieldlist,
1188 type->enumeration_v2.type);
1189 break;
1190
1191 case LF_ENUM_V3:
1192 symt = codeview_add_type_enum(ctp, existing, type->enumeration_v3.name,
1193 type->enumeration_v3.fieldlist,
1194 type->enumeration_v3.type);
1195 break;
1196
1197 case LF_PROCEDURE_V1:
1198 symt = codeview_new_func_signature(ctp, existing, type->procedure_v1.call);
1199 if (details)
1200 {
1201 codeview_add_type(curr_type, symt);
1202 codeview_add_func_signature_args(ctp,
1203 (struct symt_function_signature*)symt,
1204 type->procedure_v1.rvtype,
1205 type->procedure_v1.arglist);
1206 }
1207 break;
1208 case LF_PROCEDURE_V2:
1209 symt = codeview_new_func_signature(ctp, existing,type->procedure_v2.call);
1210 if (details)
1211 {
1212 codeview_add_type(curr_type, symt);
1213 codeview_add_func_signature_args(ctp,
1214 (struct symt_function_signature*)symt,
1215 type->procedure_v2.rvtype,
1216 type->procedure_v2.arglist);
1217 }
1218 break;
1219
1220 case LF_MFUNCTION_V1:
1221 /* FIXME: for C++, this is plain wrong, but as we don't use arg types
1222 * nor class information, this would just do for now
1223 */
1224 symt = codeview_new_func_signature(ctp, existing, type->mfunction_v1.call);
1225 if (details)
1226 {
1227 codeview_add_type(curr_type, symt);
1228 codeview_add_func_signature_args(ctp,
1229 (struct symt_function_signature*)symt,
1230 type->mfunction_v1.rvtype,
1231 type->mfunction_v1.arglist);
1232 }
1233 break;
1234 case LF_MFUNCTION_V2:
1235 /* FIXME: for C++, this is plain wrong, but as we don't use arg types
1236 * nor class information, this would just do for now
1237 */
1238 symt = codeview_new_func_signature(ctp, existing, type->mfunction_v2.call);
1239 if (details)
1240 {
1241 codeview_add_type(curr_type, symt);
1242 codeview_add_func_signature_args(ctp,
1243 (struct symt_function_signature*)symt,
1244 type->mfunction_v2.rvtype,
1245 type->mfunction_v2.arglist);
1246 }
1247 break;
1248
1249 case LF_VTSHAPE_V1:
1250 /* this is an ugly hack... FIXME when we have C++ support */
1251 if (!(symt = existing))
1252 {
1253 char buf[128];
1254 snprintf(buf, sizeof(buf), "__internal_vt_shape_%x\n", curr_type);
1255 symt = &symt_new_udt(ctp->module, buf, 0, UdtStruct)->symt;
1256 }
1257 break;
1258 default:
1259 FIXME("Unsupported type-id leaf %x\n", type->generic.id);
1260 dump(type, 2 + type->generic.len);
1261 return FALSE;
1262 }
1263 return codeview_add_type(curr_type, symt) ? symt : NULL;
1264 }
1265
1266 static int codeview_parse_type_table(struct codeview_type_parse* ctp)
1267 {
1268 unsigned int curr_type = FIRST_DEFINABLE_TYPE;
1269 const union codeview_type* type;
1270
1271 for (curr_type = FIRST_DEFINABLE_TYPE; curr_type < FIRST_DEFINABLE_TYPE + ctp->num; curr_type++)
1272 {
1273 type = codeview_jump_to_type(ctp, curr_type);
1274
1275 /* type records we're interested in are the ones referenced by symbols
1276 * The known ranges are (X mark the ones we want):
1277 * X 0000-0016 for V1 types
1278 * 0200-020c for V1 types referenced by other types
1279 * 0400-040f for V1 types (complex lists & sets)
1280 * X 1000-100f for V2 types
1281 * 1200-120c for V2 types referenced by other types
1282 * 1400-140f for V1 types (complex lists & sets)
1283 * X 1500-150d for V3 types
1284 * 8000-8010 for numeric leafes
1285 */
1286 if (!(type->generic.id & 0x8600) || (type->generic.id & 0x0100))
1287 codeview_parse_one_type(ctp, curr_type, type, TRUE);
1288 }
1289
1290 return TRUE;
1291 }
1292
1293 /*========================================================================
1294 * Process CodeView line number information.
1295 */
1296 static unsigned codeview_get_address(const struct msc_debug_info* msc_dbg,
1297 unsigned seg, unsigned offset);
1298
1299 static void codeview_snarf_linetab(const struct msc_debug_info* msc_dbg, const BYTE* linetab,
1300 int size, BOOL pascal_str)
1301 {
1302 const BYTE* ptr = linetab;
1303 int nfile, nseg;
1304 int i, j, k;
1305 const unsigned int* filetab;
1306 const unsigned int* lt_ptr;
1307 const unsigned short* linenos;
1308 const struct startend* start;
1309 unsigned source;
1310 unsigned addr, func_addr0;
1311 struct symt_function* func;
1312 const struct codeview_linetab_block* ltb;
1313
1314 nfile = *(const short*)linetab;
1315 filetab = (const unsigned int*)(linetab + 2 * sizeof(short));
1316
1317 for (i = 0; i < nfile; i++)
1318 {
1319 ptr = linetab + filetab[i];
1320 nseg = *(const short*)ptr;
1321 lt_ptr = (const unsigned int*)(ptr + 2 * sizeof(short));
1322 start = (const struct startend*)(lt_ptr + nseg);
1323
1324 /*
1325 * Now snarf the filename for all of the segments for this file.
1326 */
1327 if (pascal_str)
1328 source = source_new(msc_dbg->module, NULL, terminate_string((const struct p_string*)(start + nseg)));
1329 else
1330 source = source_new(msc_dbg->module, NULL, (const char*)(start + nseg));
1331
1332 for (j = 0; j < nseg; j++)
1333 {
1334 ltb = (const struct codeview_linetab_block*)(linetab + *lt_ptr++);
1335 linenos = (const unsigned short*)&ltb->offsets[ltb->num_lines];
1336 func_addr0 = codeview_get_address(msc_dbg, ltb->seg, start[j].start);
1337 if (!func_addr0) continue;
1338 for (func = NULL, k = 0; k < ltb->num_lines; k++)
1339 {
1340 /* now locate function (if any) */
1341 addr = func_addr0 + ltb->offsets[k] - start[j].start;
1342 /* unfortunetaly, we can have several functions in the same block, if there's no
1343 * gap between them... find the new function if needed
1344 */
1345 if (!func || addr >= func->address + func->size)
1346 {
1347 func = (struct symt_function*)symt_find_nearest(msc_dbg->module, addr);
1348 /* FIXME: at least labels support line numbers */
1349 if (!func || func->symt.tag != SymTagFunction)
1350 {
1351 WARN("--not a func at %04x:%08x %x tag=%d\n",
1352 ltb->seg, ltb->offsets[k], addr, func ? func->symt.tag : -1);
1353 func = NULL;
1354 break;
1355 }
1356 }
1357 symt_add_func_line(msc_dbg->module, func, source,
1358 linenos[k], addr - func->address);
1359 }
1360 }
1361 }
1362 }
1363
1364 static void codeview_snarf_linetab2(const struct msc_debug_info* msc_dbg, const BYTE* linetab, DWORD size,
1365 const char* strimage, DWORD strsize)
1366 {
1367 DWORD offset;
1368 unsigned i;
1369 DWORD addr;
1370 const struct codeview_linetab2_block* lbh;
1371 const struct codeview_linetab2_file* fd;
1372 unsigned source;
1373 struct symt_function* func;
1374
1375 if (*(const DWORD*)linetab != 0x000000f4) return;
1376 offset = *((const DWORD*)linetab + 1);
1377
1378 for (lbh = (const struct codeview_linetab2_block*)(linetab + 8 + offset);
1379 (const BYTE*)lbh < linetab + size;
1380 lbh = (const struct codeview_linetab2_block*)((const char*)lbh + 8 + lbh->size_of_block))
1381 {
1382 if (lbh->header != 0x000000f2)
1383 /* FIXME: should also check that whole lbh fits in linetab + size */
1384 {
1385 TRACE("block end %x\n", lbh->header);
1386 break;
1387 }
1388 addr = codeview_get_address(msc_dbg, lbh->seg, lbh->start);
1389 TRACE("block from %04x:%08x #%x (%x lines)\n",
1390 lbh->seg, lbh->start, lbh->size, lbh->nlines);
1391 fd = (const struct codeview_linetab2_file*)(linetab + 8 + lbh->file_offset);
1392 /* FIXME: should check that string is within strimage + strsize */
1393 source = source_new(msc_dbg->module, NULL, strimage + fd->offset);
1394 func = (struct symt_function*)symt_find_nearest(msc_dbg->module, addr);
1395 /* FIXME: at least labels support line numbers */
1396 if (!func || func->symt.tag != SymTagFunction)
1397 {
1398 WARN("--not a func at %04x:%08x %x tag=%d\n",
1399 lbh->seg, lbh->start, addr, func ? func->symt.tag : -1);
1400 continue;
1401 }
1402 for (i = 0; i < lbh->nlines; i++)
1403 {
1404 symt_add_func_line(msc_dbg->module, func, source,
1405 lbh->l[i].lineno ^ 0x80000000, lbh->l[i].offset - lbh->start);
1406 }
1407 }
1408 }
1409
1410 /*========================================================================
1411 * Process CodeView symbol information.
1412 */
1413
1414 static unsigned int codeview_map_offset(const struct msc_debug_info* msc_dbg,
1415 unsigned int offset)
1416 {
1417 int nomap = msc_dbg->nomap;
1418 const OMAP_DATA* omapp = msc_dbg->omapp;
1419 int i;
1420
1421 if (!nomap || !omapp) return offset;
1422
1423 /* FIXME: use binary search */
1424 for (i = 0; i < nomap - 1; i++)
1425 if (omapp[i].from <= offset && omapp[i+1].from > offset)
1426 return !omapp[i].to ? 0 : omapp[i].to + (offset - omapp[i].from);
1427
1428 return 0;
1429 }
1430
1431 static unsigned codeview_get_address(const struct msc_debug_info* msc_dbg,
1432 unsigned seg, unsigned offset)
1433 {
1434 int nsect = msc_dbg->nsect;
1435 const IMAGE_SECTION_HEADER* sectp = msc_dbg->sectp;
1436
1437 if (!seg || seg > nsect) return 0;
1438 return msc_dbg->module->module.BaseOfImage +
1439 codeview_map_offset(msc_dbg, sectp[seg-1].VirtualAddress + offset);
1440 }
1441
1442 static inline void codeview_add_variable(const struct msc_debug_info* msc_dbg,
1443 struct symt_compiland* compiland,
1444 const char* name,
1445 unsigned segment, unsigned offset,
1446 unsigned symtype, BOOL is_local, BOOL force)
1447 {
1448 if (name && *name)
1449 {
1450 unsigned address = codeview_get_address(msc_dbg, segment, offset);
1451
1452 if (force || !symt_find_nearest(msc_dbg->module, address))
1453 {
1454 symt_new_global_variable(msc_dbg->module, compiland,
1455 name, is_local, address, 0,
1456 codeview_get_type(symtype, FALSE));
1457 }
1458 }
1459 }
1460
1461 static int codeview_snarf(const struct msc_debug_info* msc_dbg, const BYTE* root,
1462 int offset, int size, BOOL do_globals)
1463 {
1464 struct symt_function* curr_func = NULL;
1465 int i, length;
1466 struct symt_block* block = NULL;
1467 struct symt* symt;
1468 const char* name;
1469 struct symt_compiland* compiland = NULL;
1470 struct location loc;
1471
1472 /*
1473 * Loop over the different types of records and whenever we
1474 * find something we are interested in, record it and move on.
1475 */
1476 for (i = offset; i < size; i += length)
1477 {
1478 const union codeview_symbol* sym = (const union codeview_symbol*)(root + i);
1479 length = sym->generic.len + 2;
1480 if (i + length > size) break;
1481 if (!sym->generic.id || length < 4) break;
1482 if (length & 3) FIXME("unpadded len %u\n", length);
1483
1484 switch (sym->generic.id)
1485 {
1486 /*
1487 * Global and local data symbols. We don't associate these
1488 * with any given source file.
1489 */
1490 case S_GDATA_V1:
1491 case S_LDATA_V1:
1492 if (do_globals)
1493 codeview_add_variable(msc_dbg, compiland, terminate_string(&sym->data_v1.p_name),
1494 sym->data_v1.segment, sym->data_v1.offset, sym->data_v1.symtype,
1495 sym->generic.id == S_LDATA_V1, TRUE);
1496 break;
1497 case S_GDATA_V2:
1498 case S_LDATA_V2:
1499 if (do_globals)
1500 codeview_add_variable(msc_dbg, compiland, terminate_string(&sym->data_v2.p_name),
1501 sym->data_v2.segment, sym->data_v2.offset, sym->data_v2.symtype,
1502 sym->generic.id == S_LDATA_V2, TRUE);
1503 break;
1504 case S_GDATA_V3:
1505 case S_LDATA_V3:
1506 if (do_globals)
1507 codeview_add_variable(msc_dbg, compiland, sym->data_v3.name,
1508 sym->data_v3.segment, sym->data_v3.offset, sym->data_v3.symtype,
1509 sym->generic.id == S_LDATA_V3, TRUE);
1510 break;
1511
1512 /* Public symbols */
1513 case S_PUB_V1:
1514 case S_PUB_V2:
1515 case S_PUB_V3:
1516 case S_PUB_FUNC1_V3:
1517 case S_PUB_FUNC2_V3:
1518 /* will be handled later on in codeview_snarf_public */
1519 break;
1520
1521 /*
1522 * Sort of like a global function, but it just points
1523 * to a thunk, which is a stupid name for what amounts to
1524 * a PLT slot in the normal jargon that everyone else uses.
1525 */
1526 case S_THUNK_V1:
1527 symt_new_thunk(msc_dbg->module, compiland,
1528 terminate_string(&sym->thunk_v1.p_name), sym->thunk_v1.thtype,
1529 codeview_get_address(msc_dbg, sym->thunk_v1.segment, sym->thunk_v1.offset),
1530 sym->thunk_v1.thunk_len);
1531 break;
1532 case S_THUNK_V3:
1533 symt_new_thunk(msc_dbg->module, compiland,
1534 sym->thunk_v3.name, sym->thunk_v3.thtype,
1535 codeview_get_address(msc_dbg, sym->thunk_v3.segment, sym->thunk_v3.offset),
1536 sym->thunk_v3.thunk_len);
1537 break;
1538
1539 /*
1540 * Global and static functions.
1541 */
1542 case S_GPROC_V1:
1543 case S_LPROC_V1:
1544 if (curr_func) FIXME("nested function\n");
1545 curr_func = symt_new_function(msc_dbg->module, compiland,
1546 terminate_string(&sym->proc_v1.p_name),
1547 codeview_get_address(msc_dbg, sym->proc_v1.segment, sym->proc_v1.offset),
1548 sym->proc_v1.proc_len,
1549 codeview_get_type(sym->proc_v1.proctype, FALSE));
1550 loc.kind = loc_absolute;
1551 loc.offset = sym->proc_v1.debug_start;
1552 symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugStart, &loc, NULL);
1553 loc.offset = sym->proc_v1.debug_end;
1554 symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugEnd, &loc, NULL);
1555 break;
1556 case S_GPROC_V2:
1557 case S_LPROC_V2:
1558 if (curr_func) FIXME("nested function\n");
1559 curr_func = symt_new_function(msc_dbg->module, compiland,
1560 terminate_string(&sym->proc_v2.p_name),
1561 codeview_get_address(msc_dbg, sym->proc_v2.segment, sym->proc_v2.offset),
1562 sym->proc_v2.proc_len,
1563 codeview_get_type(sym->proc_v2.proctype, FALSE));
1564 loc.kind = loc_absolute;
1565 loc.offset = sym->proc_v2.debug_start;
1566 symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugStart, &loc, NULL);
1567 loc.offset = sym->proc_v2.debug_end;
1568 symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugEnd, &loc, NULL);
1569 break;
1570 case S_GPROC_V3:
1571 case S_LPROC_V3:
1572 if (curr_func) FIXME("nested function\n");
1573 curr_func = symt_new_function(msc_dbg->module, compiland,
1574 sym->proc_v3.name,
1575 codeview_get_address(msc_dbg, sym->proc_v3.segment, sym->proc_v3.offset),
1576 sym->proc_v3.proc_len,
1577 codeview_get_type(sym->proc_v3.proctype, FALSE));
1578 loc.kind = loc_absolute;
1579 loc.offset = sym->proc_v3.debug_start;
1580 symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugStart, &loc, NULL);
1581 loc.offset = sym->proc_v3.debug_end;
1582 symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugEnd, &loc, NULL);
1583 break;
1584 /*
1585 * Function parameters and stack variables.
1586 */
1587 case S_BPREL_V1:
1588 loc.kind = loc_regrel;
1589 loc.reg = 0; /* FIXME */
1590 loc.offset = sym->stack_v1.offset;
1591 symt_add_func_local(msc_dbg->module, curr_func,
1592 sym->stack_v1.offset > 0 ? DataIsParam : DataIsLocal,
1593 &loc, block,
1594 codeview_get_type(sym->stack_v1.symtype, FALSE),
1595 terminate_string(&sym->stack_v1.p_name));
1596 break;
1597 case S_BPREL_V2:
1598 loc.kind = loc_regrel;
1599 loc.reg = 0; /* FIXME */
1600 loc.offset = sym->stack_v2.offset;
1601 symt_add_func_local(msc_dbg->module, curr_func,
1602 sym->stack_v2.offset > 0 ? DataIsParam : DataIsLocal,
1603 &loc, block,
1604 codeview_get_type(sym->stack_v2.symtype, FALSE),
1605 terminate_string(&sym->stack_v2.p_name));
1606 break;
1607 case S_BPREL_V3:
1608 loc.kind = loc_regrel;
1609 loc.reg = 0; /* FIXME */
1610 loc.offset = sym->stack_v3.offset;
1611 symt_add_func_local(msc_dbg->module, curr_func,
1612 sym->stack_v3.offset > 0 ? DataIsParam : DataIsLocal,
1613 &loc, block,
1614 codeview_get_type(sym->stack_v3.symtype, FALSE),
1615 sym->stack_v3.name);
1616 break;
1617 case S_BPREL_XXXX_V3:
1618 loc.kind = loc_regrel;
1619 loc.reg = 0; /* FIXME */
1620 loc.offset = sym->stack_xxxx_v3.offset;
1621 WARN("Supposed stack variable %s (%d)\n", sym->stack_xxxx_v3.name, sym->stack_xxxx_v3.unknown);
1622 symt_add_func_local(msc_dbg->module, curr_func,
1623 sym->stack_xxxx_v3.offset > 0 ? DataIsParam : DataIsLocal,
1624 &loc, block,
1625 codeview_get_type(sym->stack_xxxx_v3.symtype, FALSE),
1626 sym->stack_xxxx_v3.name);
1627 break;
1628
1629 case S_REGISTER_V1:
1630 loc.kind = loc_register;
1631 loc.reg = sym->register_v1.reg;
1632 loc.offset = 0;
1633 symt_add_func_local(msc_dbg->module, curr_func,
1634 DataIsLocal, &loc,
1635 block, codeview_get_type(sym->register_v1.type, FALSE),
1636 terminate_string(&sym->register_v1.p_name));
1637 break;
1638 case S_REGISTER_V2:
1639 loc.kind = loc_register;
1640 loc.reg = sym->register_v2.reg;
1641 loc.offset = 0;
1642 symt_add_func_local(msc_dbg->module, curr_func,
1643 DataIsLocal, &loc,
1644 block, codeview_get_type(sym->register_v2.type, FALSE),
1645 terminate_string(&sym->register_v2.p_name));
1646 break;
1647 case S_REGISTER_V3:
1648 loc.kind = loc_register;
1649 loc.reg = sym->register_v3.reg;
1650 loc.offset = 0;
1651 symt_add_func_local(msc_dbg->module, curr_func,
1652 DataIsLocal, &loc,
1653 block, codeview_get_type(sym->register_v3.type, FALSE),
1654 sym->register_v3.name);
1655 break;
1656
1657 case S_BLOCK_V1:
1658 block = symt_open_func_block(msc_dbg->module, curr_func, block,
1659 codeview_get_address(msc_dbg, sym->block_v1.segment, sym->block_v1.offset),
1660 sym->block_v1.length);
1661 break;
1662 case S_BLOCK_V3:
1663 block = symt_open_func_block(msc_dbg->module, curr_func, block,
1664 codeview_get_address(msc_dbg, sym->block_v3.segment, sym->block_v3.offset),
1665 sym->block_v3.length);
1666 break;
1667
1668 case S_END_V1:
1669 if (block)
1670 {
1671 block = symt_close_func_block(msc_dbg->module, curr_func, block, 0);
1672 }
1673 else if (curr_func)
1674 {
1675 symt_normalize_function(msc_dbg->module, curr_func);
1676 curr_func = NULL;
1677 }
1678 break;
1679
1680 case S_COMPILAND_V1:
1681 TRACE("S-Compiland-V1 %x %s\n",
1682 sym->compiland_v1.unknown, terminate_string(&sym->compiland_v1.p_name));
1683 break;
1684
1685 case S_COMPILAND_V2:
1686 TRACE("S-Compiland-V2 %s\n", terminate_string(&sym->compiland_v2.p_name));
1687 if (TRACE_ON(dbghelp_msc))
1688 {
1689 const char* ptr1 = sym->compiland_v2.p_name.name + sym->compiland_v2.p_name.namelen;
1690 const char* ptr2;
1691 while (*ptr1)
1692 {
1693 ptr2 = ptr1 + strlen(ptr1) + 1;
1694 TRACE("\t%s => %s\n", ptr1, debugstr_a(ptr2));
1695 ptr1 = ptr2 + strlen(ptr2) + 1;
1696 }
1697 }
1698 break;
1699 case S_COMPILAND_V3:
1700 TRACE("S-Compiland-V3 %s\n", sym->compiland_v3.name);
1701 if (TRACE_ON(dbghelp_msc))
1702 {
1703 const char* ptr1 = sym->compiland_v3.name + strlen(sym->compiland_v3.name);
1704 const char* ptr2;
1705 while (*ptr1)
1706 {
1707 ptr2 = ptr1 + strlen(ptr1) + 1;
1708 TRACE("\t%s => %s\n", ptr1, debugstr_a(ptr2));
1709 ptr1 = ptr2 + strlen(ptr2) + 1;
1710 }
1711 }
1712 break;
1713
1714 case S_OBJNAME_V1:
1715 TRACE("S-ObjName %s\n", terminate_string(&sym->objname_v1.p_name));
1716 compiland = symt_new_compiland(msc_dbg->module, 0 /* FIXME */,
1717 source_new(msc_dbg->module, NULL,
1718 terminate_string(&sym->objname_v1.p_name)));
1719 break;
1720
1721 case S_LABEL_V1:
1722 if (curr_func)
1723 {
1724 loc.kind = loc_absolute;
1725 loc.offset = codeview_get_address(msc_dbg, sym->label_v1.segment, sym->label_v1.offset) - curr_func->address;
1726 symt_add_function_point(msc_dbg->module, curr_func, SymTagLabel, &loc,
1727 terminate_string(&sym->label_v1.p_name));
1728 }
1729 else symt_new_label(msc_dbg->module, compiland,
1730 terminate_string(&sym->label_v1.p_name),
1731 codeview_get_address(msc_dbg, sym->label_v1.segment, sym->label_v1.offset));
1732 break;
1733 case S_LABEL_V3:
1734 if (curr_func)
1735 {
1736 loc.kind = loc_absolute;
1737 loc.offset = codeview_get_address(msc_dbg, sym->label_v3.segment, sym->label_v3.offset) - curr_func->address;
1738 symt_add_function_point(msc_dbg->module, curr_func, SymTagLabel,
1739 &loc, sym->label_v3.name);
1740 }
1741 else symt_new_label(msc_dbg->module, compiland, sym->label_v3.name,
1742 codeview_get_address(msc_dbg, sym->label_v3.segment, sym->label_v3.offset));
1743 break;
1744
1745 case S_CONSTANT_V1:
1746 {
1747 int vlen;
1748 const struct p_string* name;
1749 struct symt* se;
1750 VARIANT v;
1751
1752 vlen = leaf_as_variant(&v, &sym->constant_v1.cvalue);
1753 name = (const struct p_string*)((const char*)&sym->constant_v1.cvalue + vlen);
1754 se = codeview_get_type(sym->constant_v1.type, FALSE);
1755
1756 TRACE("S-Constant-V1 %u %s %x\n",
1757 v.n1.n2.n3.intVal, terminate_string(name), sym->constant_v1.type);
1758 symt_new_constant(msc_dbg->module, compiland, terminate_string(name),
1759 se, &v);
1760 }
1761 break;
1762 case S_CONSTANT_V2:
1763 {
1764 int vlen;
1765 const struct p_string* name;
1766 struct symt* se;
1767 VARIANT v;
1768
1769 vlen = leaf_as_variant(&v, &sym->constant_v2.cvalue);
1770 name = (const struct p_string*)((const char*)&sym->constant_v2.cvalue + vlen);
1771 se = codeview_get_type(sym->constant_v2.type, FALSE);
1772
1773 TRACE("S-Constant-V2 %u %s %x\n",
1774 v.n1.n2.n3.intVal, terminate_string(name), sym->constant_v2.type);
1775 symt_new_constant(msc_dbg->module, compiland, terminate_string(name),
1776 se, &v);
1777 }
1778 break;
1779 case S_CONSTANT_V3:
1780 {
1781 int vlen;
1782 const char* name;
1783 struct symt* se;
1784 VARIANT v;
1785
1786 vlen = leaf_as_variant(&v, &sym->constant_v3.cvalue);
1787 name = (const char*)&sym->constant_v3.cvalue + vlen;
1788 se = codeview_get_type(sym->constant_v3.type, FALSE);
1789
1790 TRACE("S-Constant-V3 %u %s %x\n",
1791 v.n1.n2.n3.intVal, name, sym->constant_v3.type);
1792 /* FIXME: we should add this as a constant value */
1793 symt_new_constant(msc_dbg->module, compiland, name, se, &v);
1794 }
1795 break;
1796
1797 case S_UDT_V1:
1798 if (sym->udt_v1.type)
1799 {
1800 if ((symt = codeview_get_type(sym->udt_v1.type, FALSE)))
1801 symt_new_typedef(msc_dbg->module, symt,
1802 terminate_string(&sym->udt_v1.p_name));
1803 else
1804 FIXME("S-Udt %s: couldn't find type 0x%x\n",
1805 terminate_string(&sym->udt_v1.p_name), sym->udt_v1.type);
1806 }
1807 break;
1808 case S_UDT_V2:
1809 if (sym->udt_v2.type)
1810 {
1811 if ((symt = codeview_get_type(sym->udt_v2.type, FALSE)))
1812 symt_new_typedef(msc_dbg->module, symt,
1813 terminate_string(&sym->udt_v2.p_name));
1814 else
1815 FIXME("S-Udt %s: couldn't find type 0x%x\n",
1816 terminate_string(&sym->udt_v2.p_name), sym->udt_v2.type);
1817 }
1818 break;
1819 case S_UDT_V3:
1820 if (sym->udt_v3.type)
1821 {
1822 if ((symt = codeview_get_type(sym->udt_v3.type, FALSE)))
1823 symt_new_typedef(msc_dbg->module, symt, sym->udt_v3.name);
1824 else
1825 FIXME("S-Udt %s: couldn't find type 0x%x\n",
1826 sym->udt_v3.name, sym->udt_v3.type);
1827 }
1828 break;
1829
1830 /*
1831 * These are special, in that they are always followed by an
1832 * additional length-prefixed string which is *not* included
1833 * into the symbol length count. We need to skip it.
1834 */
1835 case S_PROCREF_V1:
1836 case S_DATAREF_V1:
1837 case S_LPROCREF_V1:
1838 name = (const char*)sym + length;
1839 length += (*name + 1 + 3) & ~3;
1840 break;
1841
1842 case S_MSTOOL_V3: /* just to silence a few warnings */
1843 case S_MSTOOLINFO_V3:
1844 case S_MSTOOLENV_V3:
1845 break;
1846
1847 case S_SSEARCH_V1:
1848 TRACE("Start search: seg=0x%x at offset 0x%08x\n",
1849 sym->ssearch_v1.segment, sym->ssearch_v1.offset);
1850 break;
1851
1852 case S_ALIGN_V1:
1853 TRACE("S-Align V1\n");
1854 break;
1855
1856 /* the symbols we can safely ignore for now */
1857 case 0x112c:
1858 case S_FUNCINFO_V2:
1859 case S_SECUCOOKIE_V3:
1860 case S_SECTINFO_V3:
1861 case S_SUBSECTINFO_V3:
1862 case S_ENTRYPOINT_V3:
1863 case 0x1139:
1864 TRACE("Unsupported symbol id %x\n", sym->generic.id);
1865 break;
1866
1867 default:
1868 FIXME("Unsupported symbol id %x\n", sym->generic.id);
1869 dump(sym, 2 + sym->generic.len);
1870 break;
1871 }
1872 }
1873
1874 if (curr_func) symt_normalize_function(msc_dbg->module, curr_func);
1875
1876 return TRUE;
1877 }
1878
1879 static int codeview_snarf_public(const struct msc_debug_info* msc_dbg, const BYTE* root,
1880 int offset, int size)
1881
1882 {
1883 int i, length;
1884 struct symt_compiland* compiland = NULL;
1885
1886 /*
1887 * Loop over the different types of records and whenever we
1888 * find something we are interested in, record it and move on.
1889 */
1890 for (i = offset; i < size; i += length)
1891 {
1892 const union codeview_symbol* sym = (const union codeview_symbol*)(root + i);
1893 length = sym->generic.len + 2;
1894 if (i + length > size) break;
1895 if (!sym->generic.id || length < 4) break;
1896 if (length & 3) FIXME("unpadded len %u\n", length);
1897
1898 switch (sym->generic.id)
1899 {
1900 case S_PUB_V1: /* FIXME is this really a 'data_v1' structure ?? */
1901 if (!(dbghelp_options & SYMOPT_NO_PUBLICS))
1902 {
1903 symt_new_public(msc_dbg->module, compiland,
1904 terminate_string(&sym->data_v1.p_name),
1905 codeview_get_address(msc_dbg, sym->data_v1.segment, sym->data_v1.offset),
1906 1, TRUE /* FIXME */, TRUE /* FIXME */);
1907 }
1908 break;
1909 case S_PUB_V2: /* FIXME is this really a 'data_v2' structure ?? */
1910 if (!(dbghelp_options & SYMOPT_NO_PUBLICS))
1911 {
1912 symt_new_public(msc_dbg->module, compiland,
1913 terminate_string(&sym->data_v2.p_name),
1914 codeview_get_address(msc_dbg, sym->data_v2.segment, sym->data_v2.offset),
1915 1, TRUE /* FIXME */, TRUE /* FIXME */);
1916 }
1917 break;
1918
1919 case S_PUB_V3:
1920 if (!(dbghelp_options & SYMOPT_NO_PUBLICS))
1921 {
1922 symt_new_public(msc_dbg->module, compiland,
1923 sym->data_v3.name,
1924 codeview_get_address(msc_dbg, sym->data_v3.segment, sym->data_v3.offset),
1925 1, FALSE /* FIXME */, FALSE);
1926 }
1927 break;
1928 case S_PUB_FUNC1_V3:
1929 case S_PUB_FUNC2_V3: /* using a data_v3 isn't what we'd expect */
1930 #if 0
1931 /* FIXME: this is plain wrong (from a simple test) */
1932 if (!(dbghelp_options & SYMOPT_NO_PUBLICS))
1933 {
1934 symt_new_public(msc_dbg->module, compiland,
1935 sym->data_v3.name,
1936 codeview_get_address(msc_dbg, sym->data_v3.segment, sym->data_v3.offset),
1937 1, TRUE /* FIXME */, TRUE);
1938 }
1939 #endif
1940 break;
1941 /*
1942 * Global and local data symbols. We don't associate these
1943 * with any given source file.
1944 */
1945 case S_GDATA_V1:
1946 case S_LDATA_V1:
1947 codeview_add_variable(msc_dbg, compiland, terminate_string(&sym->data_v1.p_name),
1948 sym->data_v1.segment, sym->data_v1.offset, sym->data_v1.symtype,
1949 sym->generic.id == S_LDATA_V1, FALSE);
1950 break;
1951 case S_GDATA_V2:
1952 case S_LDATA_V2:
1953 codeview_add_variable(msc_dbg, compiland, terminate_string(&sym->data_v2.p_name),
1954 sym->data_v2.segment, sym->data_v2.offset, sym->data_v2.symtype,
1955 sym->generic.id == S_LDATA_V2, FALSE);
1956 break;
1957 case S_GDATA_V3:
1958 case S_LDATA_V3:
1959 codeview_add_variable(msc_dbg, compiland, sym->data_v3.name,
1960 sym->data_v3.segment, sym->data_v3.offset, sym->data_v3.symtype,
1961 sym->generic.id == S_LDATA_V3, FALSE);
1962 break;
1963 /*
1964 * These are special, in that they are always followed by an
1965 * additional length-prefixed string which is *not* included
1966 * into the symbol length count. We need to skip it.
1967 */
1968 case S_PROCREF_V1:
1969 case S_DATAREF_V1:
1970 case S_LPROCREF_V1:
1971 length += (((const char*)sym)[length] + 1 + 3) & ~3;
1972 break;
1973 }
1974 msc_dbg->module->sortlist_valid = TRUE;
1975 }
1976 msc_dbg->module->sortlist_valid = FALSE;
1977 return TRUE;
1978 }
1979
1980 /*========================================================================
1981 * Process PDB file.
1982 */
1983
1984 static void* pdb_jg_read(const struct PDB_JG_HEADER* pdb, const WORD* block_list,
1985 int size)
1986 {
1987 int i, num_blocks;
1988 BYTE* buffer;
1989
1990 if (!size) return NULL;
1991
1992 num_blocks = (size + pdb->block_size - 1) / pdb->block_size;
1993 buffer = HeapAlloc(GetProcessHeap(), 0, num_blocks * pdb->block_size);
1994
1995 for (i = 0; i < num_blocks; i++)
1996 memcpy(buffer + i * pdb->block_size,
1997 (const char*)pdb + block_list[i] * pdb->block_size, pdb->block_size);
1998
1999 return buffer;
2000 }
2001
2002 static void* pdb_ds_read(const struct PDB_DS_HEADER* pdb, const DWORD* block_list,
2003 int size)
2004 {
2005 int i, num_blocks;
2006 BYTE* buffer;
2007
2008 if (!size) return NULL;
2009
2010 num_blocks = (size + pdb->block_size - 1) / pdb->block_size;
2011 buffer = HeapAlloc(GetProcessHeap(), 0, num_blocks * pdb->block_size);
2012
2013 for (i = 0; i < num_blocks; i++)
2014 memcpy(buffer + i * pdb->block_size,
2015 (const char*)pdb + block_list[i] * pdb->block_size, pdb->block_size);
2016
2017 return buffer;
2018 }
2019
2020 static void* pdb_read_jg_file(const struct PDB_JG_HEADER* pdb,
2021 const struct PDB_JG_TOC* toc, DWORD file_nr)
2022 {
2023 const WORD* block_list;
2024 DWORD i;
2025
2026 if (!toc || file_nr >= toc->num_files) return NULL;
2027
2028 block_list = (const WORD*) &toc->file[toc->num_files];
2029 for (i = 0; i < file_nr; i++)
2030 block_list += (toc->file[i].size + pdb->block_size - 1) / pdb->block_size;
2031
2032 return pdb_jg_read(pdb, block_list, toc->file[file_nr].size);
2033 }
2034
2035 static void* pdb_read_ds_file(const struct PDB_DS_HEADER* pdb,
2036 const struct PDB_DS_TOC* toc, DWORD file_nr)
2037 {
2038 const DWORD* block_list;
2039 DWORD i;
2040
2041 if (!toc || file_nr >= toc->num_files) return NULL;
2042
2043 if (toc->file_size[file_nr] == 0 || toc->file_size[file_nr] == 0xFFFFFFFF)
2044 {
2045 FIXME(">>> requesting NULL stream (%u)\n", file_nr);
2046 return NULL;
2047 }
2048 block_list = &toc->file_size[toc->num_files];
2049 for (i = 0; i < file_nr; i++)
2050 block_list += (toc->file_size[i] + pdb->block_size - 1) / pdb->block_size;
2051
2052 return pdb_ds_read(pdb, block_list, toc->file_size[file_nr]);
2053 }
2054
2055 static void* pdb_read_file(const char* image, const struct pdb_lookup* pdb_lookup,
2056 DWORD file_nr)
2057 {
2058 switch (pdb_lookup->kind)
2059 {
2060 case PDB_JG:
2061 return pdb_read_jg_file((const struct PDB_JG_HEADER*)image,
2062 pdb_lookup->u.jg.toc, file_nr);
2063 case PDB_DS:
2064 return pdb_read_ds_file((const struct PDB_DS_HEADER*)image,
2065 pdb_lookup->u.ds.toc, file_nr);
2066 }
2067 return NULL;
2068 }
2069
2070 static unsigned pdb_get_file_size(const struct pdb_lookup* pdb_lookup, DWORD file_nr)
2071 {
2072 switch (pdb_lookup->kind)
2073 {
2074 case PDB_JG: return pdb_lookup->u.jg.toc->file[file_nr].size;
2075 case PDB_DS: return pdb_lookup->u.ds.toc->file_size[file_nr];
2076 }
2077 return 0;
2078 }
2079
2080 static void pdb_free(void* buffer)
2081 {
2082 HeapFree(GetProcessHeap(), 0, buffer);
2083 }
2084
2085 static void pdb_free_lookup(const struct pdb_lookup* pdb_lookup)
2086 {
2087 switch (pdb_lookup->kind)
2088 {
2089 case PDB_JG:
2090 pdb_free(pdb_lookup->u.jg.toc);
2091 break;
2092 case PDB_DS:
2093 pdb_free(pdb_lookup->u.ds.toc);
2094 break;
2095 }
2096 }
2097
2098 static void pdb_convert_types_header(PDB_TYPES* types, const BYTE* image)
2099 {
2100 memset(types, 0, sizeof(PDB_TYPES));
2101 if (!image) return;
2102
2103 if (*(const DWORD*)image < 19960000) /* FIXME: correct version? */
2104 {
2105 /* Old version of the types record header */
2106 const PDB_TYPES_OLD* old = (const PDB_TYPES_OLD*)image;
2107 types->version = old->version;
2108 types->type_offset = sizeof(PDB_TYPES_OLD);
2109 types->type_size = old->type_size;
2110 types->first_index = old->first_index;
2111 types->last_index = old->last_index;
2112 types->file = old->file;
2113 }
2114 else
2115 {
2116 /* New version of the types record header */
2117 *types = *(const PDB_TYPES*)image;
2118 }
2119 }
2120
2121 static void pdb_convert_symbols_header(PDB_SYMBOLS* symbols,
2122 int* header_size, const BYTE* image)
2123 {
2124 memset(symbols, 0, sizeof(PDB_SYMBOLS));
2125 if (!image) return;
2126
2127 if (*(const DWORD*)image != 0xffffffff)
2128 {
2129 /* Old version of the symbols record header */
2130 const PDB_SYMBOLS_OLD* old = (const PDB_SYMBOLS_OLD*)image;
2131 symbols->version = 0;
2132 symbols->module_size = old->module_size;
2133 symbols->offset_size = old->offset_size;
2134 symbols->hash_size = old->hash_size;
2135 symbols->srcmodule_size = old->srcmodule_size;
2136 symbols->pdbimport_size = 0;
2137 symbols->hash1_file = old->hash1_file;
2138 symbols->hash2_file = old->hash2_file;
2139 symbols->gsym_file = old->gsym_file;
2140
2141 *header_size = sizeof(PDB_SYMBOLS_OLD);
2142 }
2143 else
2144 {
2145 /* New version of the symbols record header */
2146 *symbols = *(const PDB_SYMBOLS*)image;
2147 *header_size = sizeof(PDB_SYMBOLS);
2148 }
2149 }
2150
2151 static void pdb_convert_symbol_file(const PDB_SYMBOLS* symbols,
2152 PDB_SYMBOL_FILE_EX* sfile,
2153 unsigned* size, const void* image)
2154
2155 {
2156 if (symbols->version < 19970000)
2157 {
2158 const PDB_SYMBOL_FILE *sym_file = image;
2159 memset(sfile, 0, sizeof(*sfile));
2160 sfile->file = sym_file->file;
2161 sfile->range.index = sym_file->range.index;
2162 sfile->symbol_size = sym_file->symbol_size;
2163 sfile->lineno_size = sym_file->lineno_size;
2164 *size = sizeof(PDB_SYMBOL_FILE) - 1;
2165 }
2166 else
2167 {
2168 memcpy(sfile, image, sizeof(PDB_SYMBOL_FILE_EX));
2169 *size = sizeof(PDB_SYMBOL_FILE_EX) - 1;
2170 }
2171 }
2172
2173 static HANDLE open_pdb_file(const struct process* pcs,
2174 const struct pdb_lookup* lookup,
2175 struct module* module)
2176 {
2177 HANDLE h;
2178 char dbg_file_path[MAX_PATH];
2179 BOOL ret = FALSE;
2180
2181 switch (lookup->kind)
2182 {
2183 case PDB_JG:
2184 ret = path_find_symbol_file(pcs, lookup->filename, NULL, lookup->u.jg.timestamp,
2185 lookup->age, dbg_file_path, &module->module.PdbUnmatched);
2186 break;
2187 case PDB_DS:
2188 ret = path_find_symbol_file(pcs, lookup->filename, &lookup->u.ds.guid, 0,
2189 lookup->age, dbg_file_path, &module->module.PdbUnmatched);
2190 break;
2191 }
2192 if (!ret)
2193 {
2194 WARN("\tCouldn't find %s\n", lookup->filename);
2195 return NULL;
2196 }
2197 h = CreateFileA(dbg_file_path, GENERIC_READ, FILE_SHARE_READ, NULL,
2198 OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
2199 TRACE("%s: %s returns %p\n", lookup->filename, dbg_file_path, h);
2200 return (h == INVALID_HANDLE_VALUE) ? NULL : h;
2201 }
2202
2203 static void pdb_process_types(const struct msc_debug_info* msc_dbg,
2204 const char* image, const struct pdb_lookup* pdb_lookup)
2205 {
2206 BYTE* types_image = NULL;
2207
2208 types_image = pdb_read_file(image, pdb_lookup, 2);
2209 if (types_image)
2210 {
2211 PDB_TYPES types;
2212 struct codeview_type_parse ctp;
2213 DWORD total;
2214 const BYTE* ptr;
2215 DWORD* offset;
2216
2217 pdb_convert_types_header(&types, types_image);
2218
2219 /* Check for unknown versions */
2220 switch (types.version)
2221 {
2222 case 19950410: /* VC 4.0 */
2223 case 19951122:
2224 case 19961031: /* VC 5.0 / 6.0 */
2225 case 19990903: /* VC 7.0 */
2226 case 20040203: /* VC 8.0 */
2227 break;
2228 default:
2229 ERR("-Unknown type info version %d\n", types.version);
2230 }
2231
2232 ctp.module = msc_dbg->module;
2233 /* reconstruct the types offset...
2234 * FIXME: maybe it's present in the newest PDB_TYPES structures
2235 */
2236 total = types.last_index - types.first_index + 1;
2237 offset = HeapAlloc(GetProcessHeap(), 0, sizeof(DWORD) * total);
2238 ctp.table = ptr = types_image + types.type_offset;
2239 ctp.num = 0;
2240 while (ptr < ctp.table + types.type_size && ctp.num < total)
2241 {
2242 offset[ctp.num++] = ptr - ctp.table;
2243 ptr += ((const union codeview_type*)ptr)->generic.len + 2;
2244 }
2245 ctp.offset = offset;
2246
2247 /* Read type table */
2248 codeview_parse_type_table(&ctp);
2249 HeapFree(GetProcessHeap(), 0, offset);
2250 pdb_free(types_image);
2251 }
2252 }
2253
2254 static const char PDB_JG_IDENT[] = "Microsoft C/C++ program database 2.00\r\n\032JG\0";
2255 static const char PDB_DS_IDENT[] = "Microsoft C/C++ MSF 7.00\r\n\032DS\0";
2256
2257 /******************************************************************
2258 * pdb_init
2259 *
2260 * Tries to load a pdb file
2261 * if do_fill is TRUE, then it just fills pdb_lookup with the information of the
2262 * file
2263 * if do_fill is FALSE, then it just checks that the kind of PDB (stored in
2264 * pdb_lookup) matches what's really in the file
2265 */
2266 static BOOL pdb_init(struct pdb_lookup* pdb_lookup, const char* image, BOOL do_fill)
2267 {
2268 BOOL ret = TRUE;
2269
2270 /* check the file header, and if ok, load the TOC */
2271 TRACE("PDB(%s): %.40s\n", pdb_lookup->filename, debugstr_an(image, 40));
2272
2273 if (!memcmp(image, PDB_JG_IDENT, sizeof(PDB_JG_IDENT)))
2274 {
2275 const struct PDB_JG_HEADER* pdb = (const struct PDB_JG_HEADER*)image;
2276 struct PDB_JG_ROOT* root;
2277
2278 pdb_lookup->u.jg.toc = pdb_jg_read(pdb, pdb->toc_block, pdb->toc.size);
2279 root = pdb_read_jg_file(pdb, pdb_lookup->u.jg.toc, 1);
2280 if (!root)
2281 {
2282 ERR("-Unable to get root from .PDB in %s\n", pdb_lookup->filename);
2283 return FALSE;
2284 }
2285 switch (root->Version)
2286 {
2287 case 19950623: /* VC 4.0 */
2288 case 19950814:
2289 case 19960307: /* VC 5.0 */
2290 case 19970604: /* VC 6.0 */
2291 break;
2292 default:
2293 ERR("-Unknown root block version %d\n", root->Version);
2294 }
2295 if (do_fill)
2296 {
2297 pdb_lookup->kind = PDB_JG;
2298 pdb_lookup->u.jg.timestamp = root->TimeDateStamp;
2299 pdb_lookup->age = root->Age;
2300 }
2301 else if (pdb_lookup->kind != PDB_JG ||
2302 pdb_lookup->u.jg.timestamp != root->TimeDateStamp ||
2303 pdb_lookup->age != root->Age)
2304 ret = FALSE;
2305 TRACE("found JG/%c for %s: age=%x timestamp=%x\n",
2306 do_fill ? 'f' : '-', pdb_lookup->filename, root->Age,
2307 root->TimeDateStamp);
2308 pdb_free(root);
2309 }
2310 else if (!memcmp(image, PDB_DS_IDENT, sizeof(PDB_DS_IDENT)))
2311 {
2312 const struct PDB_DS_HEADER* pdb = (const struct PDB_DS_HEADER*)image;
2313 struct PDB_DS_ROOT* root;
2314
2315 pdb_lookup->u.ds.toc =
2316 pdb_ds_read(pdb,
2317 (const DWORD*)((const char*)pdb + pdb->toc_page * pdb->block_size),
2318 pdb->toc_size);
2319 root = pdb_read_ds_file(pdb, pdb_lookup->u.ds.toc, 1);
2320 if (!root)
2321 {
2322 ERR("-Unable to get root from .PDB in %s\n", pdb_lookup->filename);
2323 return FALSE;
2324 }
2325 switch (root->Version)
2326 {
2327 case 20000404:
2328 break;
2329 default:
2330 ERR("-Unknown root block version %d\n", root->Version);
2331 }
2332 if (do_fill)
2333 {
2334 pdb_lookup->kind = PDB_DS;
2335 pdb_lookup->u.ds.guid = root->guid;
2336 pdb_lookup->age = root->Age;
2337 }
2338 else if (pdb_lookup->kind != PDB_DS ||
2339 memcmp(&pdb_lookup->u.ds.guid, &root->guid, sizeof(GUID)) ||
2340 pdb_lookup->age != root->Age)
2341 ret = FALSE;
2342 TRACE("found DS/%c for %s: age=%x guid=%s\n",
2343 do_fill ? 'f' : '-', pdb_lookup->filename, root->Age,
2344 debugstr_guid(&root->guid));
2345 pdb_free(root);
2346 }
2347
2348 if (0) /* some tool to dump the internal files from a PDB file */
2349 {
2350 int i, num_files;
2351
2352 switch (pdb_lookup->kind)
2353 {
2354 case PDB_JG: num_files = pdb_lookup->u.jg.toc->num_files; break;
2355 case PDB_DS: num_files = pdb_lookup->u.ds.toc->num_files; break;
2356 }
2357
2358 for (i = 1; i < num_files; i++)
2359 {
2360 unsigned char* x = pdb_read_file(image, pdb_lookup, i);
2361 FIXME("********************** [%u]: size=%08x\n",
2362 i, pdb_get_file_size(pdb_lookup, i));
2363 dump(x, pdb_get_file_size(pdb_lookup, i));
2364 pdb_free(x);
2365 }
2366 }
2367 return ret;
2368 }
2369
2370 static BOOL pdb_process_internal(const struct process* pcs,
2371 const struct msc_debug_info* msc_dbg,
2372 struct pdb_lookup* pdb_lookup,
2373 unsigned module_index);
2374
2375 static void pdb_process_symbol_imports(const struct process* pcs,
2376 const struct msc_debug_info* msc_dbg,
2377 const PDB_SYMBOLS* symbols,
2378 const void* symbols_image,
2379 const char* image,
2380 const struct pdb_lookup* pdb_lookup,
2381 unsigned module_index)
2382 {
2383 if (module_index == -1 && symbols && symbols->pdbimport_size)
2384 {
2385 const PDB_SYMBOL_IMPORT*imp;
2386 const void* first;
2387 const void* last;
2388 const char* ptr;
2389 int i = 0;
2390
2391 imp = (const PDB_SYMBOL_IMPORT*)((const char*)symbols_image + sizeof(PDB_SYMBOLS) +
2392 symbols->module_size + symbols->offset_size +
2393 symbols->hash_size + symbols->srcmodule_size);
2394 first = imp;
2395 last = (const char*)imp + symbols->pdbimport_size;
2396 while (imp < (const PDB_SYMBOL_IMPORT*)last)
2397 {
2398 ptr = (const char*)imp + sizeof(*imp) + strlen(imp->filename);
2399 if (i >= CV_MAX_MODULES) FIXME("Out of bounds !!!\n");
2400 if (!strcasecmp(pdb_lookup->filename, imp->filename))
2401 {
2402 if (module_index != -1) FIXME("Twice the entry\n");
2403 else module_index = i;
2404 }
2405 else
2406 {
2407 struct pdb_lookup imp_pdb_lookup;
2408
2409 /* FIXME: this is an import of a JG PDB file
2410 * how's a DS PDB handled ?
2411 */
2412 imp_pdb_lookup.filename = imp->filename;
2413 imp_pdb_lookup.kind = PDB_JG;
2414 imp_pdb_lookup.u.jg.timestamp = imp->TimeDateStamp;
2415 imp_pdb_lookup.age = imp->Age;
2416 TRACE("got for %s: age=%u ts=%x\n",
2417 imp->filename, imp->Age, imp->TimeDateStamp);
2418 pdb_process_internal(pcs, msc_dbg, &imp_pdb_lookup, i);
2419 }
2420 i++;
2421 imp = (const PDB_SYMBOL_IMPORT*)((const char*)first + ((ptr - (const char*)first + strlen(ptr) + 1 + 3) & ~3));
2422 }
2423 }
2424 cv_current_module = &cv_zmodules[(module_index == -1) ? 0 : module_index];
2425 if (cv_current_module->allowed) FIXME("Already allowed ??\n");
2426 cv_current_module->allowed = TRUE;
2427 pdb_process_types(msc_dbg, image, pdb_lookup);
2428 }
2429
2430 static BOOL pdb_process_internal(const struct process* pcs,
2431 const struct msc_debug_info* msc_dbg,
2432 struct pdb_lookup* pdb_lookup,
2433 unsigned module_index)
2434 {
2435 BOOL ret = FALSE;
2436 HANDLE hFile, hMap = NULL;
2437 char* image = NULL;
2438 BYTE* symbols_image = NULL;
2439 char* files_image = NULL;
2440 DWORD files_size = 0;
2441
2442 TRACE("Processing PDB file %s\n", pdb_lookup->filename);
2443
2444 /* Open and map() .PDB file */
2445 if ((hFile = open_pdb_file(pcs, pdb_lookup, msc_dbg->module)) == NULL ||
2446 ((hMap = CreateFileMappingW(hFile, NULL, PAGE_READONLY, 0, 0, NULL)) == NULL) ||
2447 ((image = MapViewOfFile(hMap, FILE_MAP_READ, 0, 0, 0)) == NULL))
2448 {
2449 WARN("Unable to open .PDB file: %s\n", pdb_lookup->filename);
2450 goto leave;
2451 }
2452 pdb_init(pdb_lookup, image, FALSE);
2453
2454 symbols_image = pdb_read_file(image, pdb_lookup, 3);
2455 if (symbols_image)
2456 {
2457 PDB_SYMBOLS symbols;
2458 BYTE* globalimage;
2459 BYTE* modimage;
2460 BYTE* file;
2461 int header_size = 0;
2462
2463 pdb_convert_symbols_header(&symbols, &header_size, symbols_image);
2464 switch (symbols.version)
2465 {
2466 case 0: /* VC 4.0 */
2467 case 19960307: /* VC 5.0 */
2468 case 19970606: /* VC 6.0 */
2469 case 19990903:
2470 break;
2471 default:
2472 ERR("-Unknown symbol info version %d %08x\n",
2473 symbols.version, symbols.version);
2474 }
2475
2476 files_image = pdb_read_file(image, pdb_lookup, 12); /* FIXME: really fixed ??? */
2477 if (files_image)
2478 {
2479 if (*(const DWORD*)files_image == 0xeffeeffe)
2480 {
2481 files_size = *(const DWORD*)(files_image + 8);
2482 }
2483 else
2484 {
2485 WARN("wrong header %x expecting 0xeffeeffe\n", *(const DWORD*)files_image);
2486 pdb_free(files_image);
2487 files_image = NULL;
2488 }
2489 }
2490
2491 pdb_process_symbol_imports(pcs, msc_dbg, &symbols, symbols_image, image, pdb_lookup, module_index);
2492
2493 /* Read global symbol table */
2494 globalimage = pdb_read_file(image, pdb_lookup, symbols.gsym_file);
2495 if (globalimage)
2496 {
2497 codeview_snarf(msc_dbg, globalimage, 0,
2498 pdb_get_file_size(pdb_lookup, symbols.gsym_file), FALSE);
2499 }
2500
2501 /* Read per-module symbols' tables */
2502 file = symbols_image + header_size;
2503 while (file - symbols_image < header_size + symbols.module_size)
2504 {
2505 PDB_SYMBOL_FILE_EX sfile;
2506 const char* file_name;
2507 unsigned size;
2508
2509 HeapValidate(GetProcessHeap(), 0, NULL);
2510 pdb_convert_symbol_file(&symbols, &sfile, &size, file);
2511
2512 modimage = pdb_read_file(image, pdb_lookup, sfile.file);
2513 if (modimage)
2514 {
2515 if (sfile.symbol_size)
2516 codeview_snarf(msc_dbg, modimage, sizeof(DWORD),
2517 sfile.symbol_size, TRUE);
2518
2519 if (sfile.lineno_size)
2520 codeview_snarf_linetab(msc_dbg,
2521 modimage + sfile.symbol_size,
2522 sfile.lineno_size,
2523 pdb_lookup->kind == PDB_JG);
2524 if (files_image)
2525 codeview_snarf_linetab2(msc_dbg, modimage + sfile.symbol_size + sfile.lineno_size,
2526 pdb_get_file_size(pdb_lookup, sfile.file) - sfile.symbol_size - sfile.lineno_size,
2527 files_image + 12, files_size);
2528
2529 pdb_free(modimage);
2530 }
2531 file_name = (const char*)file + size;
2532 file_name += strlen(file_name) + 1;
2533 file = (BYTE*)((DWORD_PTR)(file_name + strlen(file_name) + 1 + 3) & ~3);
2534 }
2535 /* finish the remaining public and global information */
2536 if (globalimage)
2537 {
2538 codeview_snarf_public(msc_dbg, globalimage, 0,
2539 pdb_get_file_size(pdb_lookup, symbols.gsym_file));
2540
2541 pdb_free(globalimage);
2542 }
2543 }
2544 else
2545 pdb_process_symbol_imports(pcs, msc_dbg, NULL, NULL, image, pdb_lookup,
2546 module_index);
2547 ret = TRUE;
2548
2549 leave:
2550 /* Cleanup */
2551 pdb_free(symbols_image);
2552 pdb_free(files_image);
2553 pdb_free_lookup(pdb_lookup);
2554
2555 if (image) UnmapViewOfFile(image);
2556 if (hMap) CloseHandle(hMap);
2557 if (hFile) CloseHandle(hFile);
2558
2559 return ret;
2560 }
2561
2562 static BOOL pdb_process_file(const struct process* pcs,
2563 const struct msc_debug_info* msc_dbg,
2564 struct pdb_lookup* pdb_lookup)
2565 {
2566 BOOL ret;
2567
2568 memset(cv_zmodules, 0, sizeof(cv_zmodules));
2569 codeview_init_basic_types(msc_dbg->module);
2570 ret = pdb_process_internal(pcs, msc_dbg, pdb_lookup, -1);
2571 codeview_clear_type_table();
2572 if (ret)
2573 {
2574 msc_dbg->module->module.SymType = SymCv;
2575 if (pdb_lookup->kind == PDB_JG)
2576 msc_dbg->module->module.PdbSig = pdb_lookup->u.jg.timestamp;
2577 else
2578 msc_dbg->module->module.PdbSig70 = pdb_lookup->u.ds.guid;
2579 msc_dbg->module->module.PdbAge = pdb_lookup->age;
2580 MultiByteToWideChar(CP_ACP, 0, pdb_lookup->filename, -1,
2581 msc_dbg->module->module.LoadedPdbName,
2582 sizeof(msc_dbg->module->module.LoadedPdbName) / sizeof(WCHAR));
2583 /* FIXME: we could have a finer grain here */
2584 msc_dbg->module->module.LineNumbers = TRUE;
2585 msc_dbg->module->module.GlobalSymbols = TRUE;
2586 msc_dbg->module->module.TypeInfo = TRUE;
2587 msc_dbg->module->module.SourceIndexed = TRUE;
2588 msc_dbg->module->module.Publics = TRUE;
2589 }
2590 return ret;
2591 }
2592
2593 BOOL pdb_fetch_file_info(struct pdb_lookup* pdb_lookup)
2594 {
2595 HANDLE hFile, hMap = NULL;
2596 char* image = NULL;
2597 BOOL ret = TRUE;
2598
2599 if ((hFile = CreateFileA(pdb_lookup->filename, GENERIC_READ, FILE_SHARE_READ, NULL,
2600 OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL)) == INVALID_HANDLE_VALUE ||
2601 ((hMap = CreateFileMappingW(hFile, NULL, PAGE_READONLY, 0, 0, NULL)) == NULL) ||
2602 ((image = MapViewOfFile(hMap, FILE_MAP_READ, 0, 0, 0)) == NULL))
2603 {
2604 WARN("Unable to open .PDB file: %s\n", pdb_lookup->filename);
2605 ret = FALSE;
2606 }
2607 else
2608 {
2609 pdb_init(pdb_lookup, image, TRUE);
2610 pdb_free_lookup(pdb_lookup);
2611 }
2612
2613 if (image) UnmapViewOfFile(image);
2614 if (hMap) CloseHandle(hMap);
2615 if (hFile != INVALID_HANDLE_VALUE) CloseHandle(hFile);
2616
2617 return ret;
2618 }
2619
2620 /*========================================================================
2621 * Process CodeView debug information.
2622 */
2623
2624 #define MAKESIG(a,b,c,d) ((a) | ((b) << 8) | ((c) << 16) | ((d) << 24))
2625 #define CODEVIEW_NB09_SIG MAKESIG('N','B','0','9')
2626 #define CODEVIEW_NB10_SIG MAKESIG('N','B','1','0')
2627 #define CODEVIEW_NB11_SIG MAKESIG('N','B','1','1')
2628 #define CODEVIEW_RSDS_SIG MAKESIG('R','S','D','S')
2629
2630 static BOOL codeview_process_info(const struct process* pcs,
2631 const struct msc_debug_info* msc_dbg)
2632 {
2633 const DWORD* signature = (const DWORD*)msc_dbg->root;
2634 BOOL ret = FALSE;
2635 struct pdb_lookup pdb_lookup;
2636
2637 TRACE("Processing signature %.4s\n", (const char*)signature);
2638
2639 switch (*signature)
2640 {
2641 case CODEVIEW_NB09_SIG:
2642 case CODEVIEW_NB11_SIG:
2643 {
2644 const OMFSignature* cv = (const OMFSignature*)msc_dbg->root;
2645 const OMFDirHeader* hdr = (const OMFDirHeader*)(msc_dbg->root + cv->filepos);
2646 const OMFDirEntry* ent;
2647 const OMFDirEntry* prev;
2648 const OMFDirEntry* next;
2649 unsigned int i;
2650
2651 codeview_init_basic_types(msc_dbg->module);
2652
2653 for (i = 0; i < hdr->cDir; i++)
2654 {
2655 ent = (const OMFDirEntry*)((const BYTE*)hdr + hdr->cbDirHeader + i * hdr->cbDirEntry);
2656 if (ent->SubSection == sstGlobalTypes)
2657 {
2658 const OMFGlobalTypes* types;
2659 struct codeview_type_parse ctp;
2660
2661 types = (const OMFGlobalTypes*)(msc_dbg->root + ent->lfo);
2662 ctp.module = msc_dbg->module;
2663 ctp.offset = (const DWORD*)(types + 1);
2664 ctp.num = types->cTypes;
2665 ctp.table = (const BYTE*)(ctp.offset + types->cTypes);
2666
2667 cv_current_module = &cv_zmodules[0];
2668 if (cv_current_module->allowed) FIXME("Already allowed ??\n");
2669 cv_current_module->allowed = TRUE;
2670
2671 codeview_parse_type_table(&ctp);
2672 break;
2673 }
2674 }
2675
2676 ent = (const OMFDirEntry*)((const BYTE*)hdr + hdr->cbDirHeader);
2677 for (i = 0; i < hdr->cDir; i++, ent = next)
2678 {
2679 next = (i == hdr->cDir-1) ? NULL :
2680 (const OMFDirEntry*)((const BYTE*)ent + hdr->cbDirEntry);
2681 prev = (i == 0) ? NULL :
2682 (const OMFDirEntry*)((const BYTE*)ent - hdr->cbDirEntry);
2683
2684 if (ent->SubSection == sstAlignSym)
2685 {
2686 codeview_snarf(msc_dbg, msc_dbg->root + ent->lfo, sizeof(DWORD),
2687 ent->cb, TRUE);
2688
2689 /*
2690 * Check the next and previous entry. If either is a
2691 * sstSrcModule, it contains the line number info for
2692 * this file.
2693 *
2694 * FIXME: This is not a general solution!
2695 */
2696 if (next && next->iMod == ent->iMod && next->SubSection == sstSrcModule)
2697 codeview_snarf_linetab(msc_dbg, msc_dbg->root + next->lfo,
2698 next->cb, TRUE);
2699
2700 if (prev && prev->iMod == ent->iMod && prev->SubSection == sstSrcModule)
2701 codeview_snarf_linetab(msc_dbg, msc_dbg->root + prev->lfo,
2702 prev->cb, TRUE);
2703
2704 }
2705 }
2706
2707 msc_dbg->module->module.SymType = SymCv;
2708 /* FIXME: we could have a finer grain here */
2709 msc_dbg->module->module.LineNumbers = TRUE;
2710 msc_dbg->module->module.GlobalSymbols = TRUE;
2711 msc_dbg->module->module.TypeInfo = TRUE;
2712 msc_dbg->module->module.SourceIndexed = TRUE;
2713 msc_dbg->module->module.Publics = TRUE;
2714 codeview_clear_type_table();
2715 ret = TRUE;
2716 break;
2717 }
2718
2719 case CODEVIEW_NB10_SIG:
2720 {
2721 const CODEVIEW_PDB_DATA* pdb = (const CODEVIEW_PDB_DATA*)msc_dbg->root;
2722 pdb_lookup.filename = pdb->name;
2723 pdb_lookup.kind = PDB_JG;
2724 pdb_lookup.u.jg.timestamp = pdb->timestamp;
2725 pdb_lookup.u.jg.toc = NULL;
2726 pdb_lookup.age = pdb->age;
2727 ret = pdb_process_file(pcs, msc_dbg, &pdb_lookup);
2728 break;
2729 }
2730 case CODEVIEW_RSDS_SIG:
2731 {
2732 const OMFSignatureRSDS* rsds = (const OMFSignatureRSDS*)msc_dbg->root;
2733
2734 TRACE("Got RSDS type of PDB file: guid=%s age=%08x name=%s\n",
2735 wine_dbgstr_guid(&rsds->guid), rsds->age, rsds->name);
2736 pdb_lookup.filename = rsds->name;
2737 pdb_lookup.kind = PDB_DS;
2738 pdb_lookup.u.ds.guid = rsds->guid;
2739 pdb_lookup.u.ds.toc = NULL;
2740 pdb_lookup.age = rsds->age;
2741 ret = pdb_process_file(pcs, msc_dbg, &pdb_lookup);
2742 break;
2743 }
2744 default:
2745 ERR("Unknown CODEVIEW signature %08x in module %s\n",
2746 *signature, debugstr_w(msc_dbg->module->module.ModuleName));
2747 break;
2748 }
2749 if (ret)
2750 {
2751 msc_dbg->module->module.CVSig = *signature;
2752 memcpy(msc_dbg->module->module.CVData, msc_dbg->root,
2753 sizeof(msc_dbg->module->module.CVData));
2754 }
2755 return ret;
2756 }
2757
2758 /*========================================================================
2759 * Process debug directory.
2760 */
2761 BOOL pe_load_debug_directory(const struct process* pcs, struct module* module,
2762 const BYTE* mapping,
2763 const IMAGE_SECTION_HEADER* sectp, DWORD nsect,
2764 const IMAGE_DEBUG_DIRECTORY* dbg, int nDbg)
2765 {
2766 BOOL ret;
2767 int i;
2768 struct msc_debug_info msc_dbg;
2769
2770 msc_dbg.module = module;
2771 msc_dbg.nsect = nsect;
2772 msc_dbg.sectp = sectp;
2773 msc_dbg.nomap = 0;
2774 msc_dbg.omapp = NULL;
2775
2776 __TRY
2777 {
2778 ret = FALSE;
2779
2780 /* First, watch out for OMAP data */
2781 for (i = 0; i < nDbg; i++)
2782 {
2783 if (dbg[i].Type == IMAGE_DEBUG_TYPE_OMAP_FROM_SRC)
2784 {
2785 msc_dbg.nomap = dbg[i].SizeOfData / sizeof(OMAP_DATA);
2786 msc_dbg.omapp = (const OMAP_DATA*)(mapping + dbg[i].PointerToRawData);
2787 break;
2788 }
2789 }
2790
2791 /* Now, try to parse CodeView debug info */
2792 for (i = 0; i < nDbg; i++)
2793 {
2794 if (dbg[i].Type == IMAGE_DEBUG_TYPE_CODEVIEW)
2795 {
2796 msc_dbg.root = mapping + dbg[i].PointerToRawData;
2797 if ((ret = codeview_process_info(pcs, &msc_dbg))) goto done;
2798 }
2799 }
2800
2801 /* If not found, try to parse COFF debug info */
2802 for (i = 0; i < nDbg; i++)
2803 {
2804 if (dbg[i].Type == IMAGE_DEBUG_TYPE_COFF)
2805 {
2806 msc_dbg.root = mapping + dbg[i].PointerToRawData;
2807 if ((ret = coff_process_info(&msc_dbg))) goto done;
2808 }
2809 }
2810 done:
2811 /* FIXME: this should be supported... this is the debug information for
2812 * functions compiled without a frame pointer (FPO = frame pointer omission)
2813 * the associated data helps finding out the relevant information
2814 */
2815 for (i = 0; i < nDbg; i++)
2816 if (dbg[i].Type == IMAGE_DEBUG_TYPE_FPO)
2817 FIXME("This guy has FPO information\n");
2818 #if 0
2819
2820 #define FRAME_FPO 0
2821 #define FRAME_TRAP 1
2822 #define FRAME_TSS 2
2823
2824 typedef struct _FPO_DATA
2825 {
2826 DWORD ulOffStart; /* offset 1st byte of function code */
2827 DWORD cbProcSize; /* # bytes in function */
2828 DWORD cdwLocals; /* # bytes in locals/4 */
2829 WORD cdwParams; /* # bytes in params/4 */
2830
2831 WORD cbProlog : 8; /* # bytes in prolog */
2832 WORD cbRegs : 3; /* # regs saved */
2833 WORD fHasSEH : 1; /* TRUE if SEH in func */
2834 WORD fUseBP : 1; /* TRUE if EBP has been allocated */
2835 WORD reserved : 1; /* reserved for future use */
2836 WORD cbFrame : 2; /* frame type */
2837 } FPO_DATA;
2838 #endif
2839
2840 }
2841 __EXCEPT_PAGE_FAULT
2842 {
2843 ERR("Got a page fault while loading symbols\n");
2844 ret = FALSE;
2845 }
2846 __ENDTRY
2847 return ret;
2848 }
an attempt at megring old patches into wine