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winejoystick: Fix a crash on accessing a CFArray past its end due to an off-by-one...
[wine/multimedia.git] / dlls / dbghelp / msc.c
blob3b12a3a7c066138bd80f353557937b9450c13bb8
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
49 #include <stdarg.h>
50 #include "windef.h"
51 #include "winbase.h"
52 #include "winternl.h"
53
54 #include "wine/exception.h"
55 #include "wine/debug.h"
56 #include "dbghelp_private.h"
57 #include "wine/mscvpdb.h"
58
59 WINE_DEFAULT_DEBUG_CHANNEL(dbghelp_msc);
60
61 struct pdb_stream_name
62 {
63 const char* name;
64 unsigned index;
65 };
66
67 struct pdb_file_info
68 {
69 enum pdb_kind kind;
70 DWORD age;
71 HANDLE hMap;
72 const char* image;
73 struct pdb_stream_name* stream_dict;
74 unsigned fpoext_stream;
75 union
76 {
77 struct
78 {
79 DWORD timestamp;
80 struct PDB_JG_TOC* toc;
81 } jg;
82 struct
83 {
84 GUID guid;
85 struct PDB_DS_TOC* toc;
86 } ds;
87 } u;
88 };
89
90 /* FIXME: don't make it static */
91 #define CV_MAX_MODULES 32
92 struct pdb_module_info
93 {
94 unsigned used_subfiles;
95 struct pdb_file_info pdb_files[CV_MAX_MODULES];
96 };
97
98 /*========================================================================
99 * Debug file access helper routines
100 */
101
102 static void dump(const void* ptr, unsigned len)
103 {
104 unsigned int i, j;
105 char msg[128];
106 const char* hexof = "0123456789abcdef";
107 const BYTE* x = ptr;
108
109 for (i = 0; i < len; i += 16)
110 {
111 sprintf(msg, "%08x: ", i);
112 memset(msg + 10, ' ', 3 * 16 + 1 + 16);
113 for (j = 0; j < min(16, len - i); j++)
114 {
115 msg[10 + 3 * j + 0] = hexof[x[i + j] >> 4];
116 msg[10 + 3 * j + 1] = hexof[x[i + j] & 15];
117 msg[10 + 3 * j + 2] = ' ';
118 msg[10 + 3 * 16 + 1 + j] = (x[i + j] >= 0x20 && x[i + j] < 0x7f) ?
119 x[i + j] : '.';
120 }
121 msg[10 + 3 * 16] = ' ';
122 msg[10 + 3 * 16 + 1 + 16] = '\0';
123 FIXME("%s\n", msg);
124 }
125 }
126
127 /*========================================================================
128 * Process CodeView type information.
129 */
130
131 #define MAX_BUILTIN_TYPES 0x06FF
132 #define FIRST_DEFINABLE_TYPE 0x1000
133
134 static struct symt* cv_basic_types[MAX_BUILTIN_TYPES];
135
136 struct cv_defined_module
137 {
138 BOOL allowed;
139 unsigned int num_defined_types;
140 struct symt** defined_types;
141 };
142 /* FIXME: don't make it static */
143 #define CV_MAX_MODULES 32
144 static struct cv_defined_module cv_zmodules[CV_MAX_MODULES];
145 static struct cv_defined_module*cv_current_module;
146
147 static void codeview_init_basic_types(struct module* module)
148 {
149 /*
150 * These are the common builtin types that are used by VC++.
151 */
152 cv_basic_types[T_NOTYPE] = NULL;
153 cv_basic_types[T_ABS] = NULL;
154 cv_basic_types[T_VOID] = &symt_new_basic(module, btVoid, "void", 0)->symt;
155 cv_basic_types[T_CHAR] = &symt_new_basic(module, btChar, "char", 1)->symt;
156 cv_basic_types[T_SHORT] = &symt_new_basic(module, btInt, "short int", 2)->symt;
157 cv_basic_types[T_LONG] = &symt_new_basic(module, btInt, "long int", 4)->symt;
158 cv_basic_types[T_QUAD] = &symt_new_basic(module, btInt, "long long int", 8)->symt;
159 cv_basic_types[T_UCHAR] = &symt_new_basic(module, btUInt, "unsigned char", 1)->symt;
160 cv_basic_types[T_USHORT] = &symt_new_basic(module, btUInt, "unsigned short", 2)->symt;
161 cv_basic_types[T_ULONG] = &symt_new_basic(module, btUInt, "unsigned long", 4)->symt;
162 cv_basic_types[T_UQUAD] = &symt_new_basic(module, btUInt, "unsigned long long", 8)->symt;
163 cv_basic_types[T_BOOL08] = &symt_new_basic(module, btBool, "BOOL08", 1)->symt;
164 cv_basic_types[T_BOOL16] = &symt_new_basic(module, btBool, "BOOL16", 2)->symt;
165 cv_basic_types[T_BOOL32] = &symt_new_basic(module, btBool, "BOOL32", 4)->symt;
166 cv_basic_types[T_BOOL64] = &symt_new_basic(module, btBool, "BOOL64", 8)->symt;
167 cv_basic_types[T_REAL32] = &symt_new_basic(module, btFloat, "float", 4)->symt;
168 cv_basic_types[T_REAL64] = &symt_new_basic(module, btFloat, "double", 8)->symt;
169 cv_basic_types[T_REAL80] = &symt_new_basic(module, btFloat, "long double", 10)->symt;
170 cv_basic_types[T_RCHAR] = &symt_new_basic(module, btInt, "signed char", 1)->symt;
171 cv_basic_types[T_WCHAR] = &symt_new_basic(module, btWChar, "wchar_t", 2)->symt;
172 cv_basic_types[T_INT2] = &symt_new_basic(module, btInt, "INT2", 2)->symt;
173 cv_basic_types[T_UINT2] = &symt_new_basic(module, btUInt, "UINT2", 2)->symt;
174 cv_basic_types[T_INT4] = &symt_new_basic(module, btInt, "INT4", 4)->symt;
175 cv_basic_types[T_UINT4] = &symt_new_basic(module, btUInt, "UINT4", 4)->symt;
176 cv_basic_types[T_INT8] = &symt_new_basic(module, btInt, "INT8", 8)->symt;
177 cv_basic_types[T_UINT8] = &symt_new_basic(module, btUInt, "UINT8", 8)->symt;
178 cv_basic_types[T_HRESULT]= &symt_new_basic(module, btUInt, "HRESULT", 4)->symt;
179
180 cv_basic_types[T_32PVOID] = &symt_new_pointer(module, cv_basic_types[T_VOID], 4)->symt;
181 cv_basic_types[T_32PCHAR] = &symt_new_pointer(module, cv_basic_types[T_CHAR], 4)->symt;
182 cv_basic_types[T_32PSHORT] = &symt_new_pointer(module, cv_basic_types[T_SHORT], 4)->symt;
183 cv_basic_types[T_32PLONG] = &symt_new_pointer(module, cv_basic_types[T_LONG], 4)->symt;
184 cv_basic_types[T_32PQUAD] = &symt_new_pointer(module, cv_basic_types[T_QUAD], 4)->symt;
185 cv_basic_types[T_32PUCHAR] = &symt_new_pointer(module, cv_basic_types[T_UCHAR], 4)->symt;
186 cv_basic_types[T_32PUSHORT] = &symt_new_pointer(module, cv_basic_types[T_USHORT], 4)->symt;
187 cv_basic_types[T_32PULONG] = &symt_new_pointer(module, cv_basic_types[T_ULONG], 4)->symt;
188 cv_basic_types[T_32PUQUAD] = &symt_new_pointer(module, cv_basic_types[T_UQUAD], 4)->symt;
189 cv_basic_types[T_32PBOOL08] = &symt_new_pointer(module, cv_basic_types[T_BOOL08], 4)->symt;
190 cv_basic_types[T_32PBOOL16] = &symt_new_pointer(module, cv_basic_types[T_BOOL16], 4)->symt;
191 cv_basic_types[T_32PBOOL32] = &symt_new_pointer(module, cv_basic_types[T_BOOL32], 4)->symt;
192 cv_basic_types[T_32PBOOL64] = &symt_new_pointer(module, cv_basic_types[T_BOOL64], 4)->symt;
193 cv_basic_types[T_32PREAL32] = &symt_new_pointer(module, cv_basic_types[T_REAL32], 4)->symt;
194 cv_basic_types[T_32PREAL64] = &symt_new_pointer(module, cv_basic_types[T_REAL64], 4)->symt;
195 cv_basic_types[T_32PREAL80] = &symt_new_pointer(module, cv_basic_types[T_REAL80], 4)->symt;
196 cv_basic_types[T_32PRCHAR] = &symt_new_pointer(module, cv_basic_types[T_RCHAR], 4)->symt;
197 cv_basic_types[T_32PWCHAR] = &symt_new_pointer(module, cv_basic_types[T_WCHAR], 4)->symt;
198 cv_basic_types[T_32PINT2] = &symt_new_pointer(module, cv_basic_types[T_INT2], 4)->symt;
199 cv_basic_types[T_32PUINT2] = &symt_new_pointer(module, cv_basic_types[T_UINT2], 4)->symt;
200 cv_basic_types[T_32PINT4] = &symt_new_pointer(module, cv_basic_types[T_INT4], 4)->symt;
201 cv_basic_types[T_32PUINT4] = &symt_new_pointer(module, cv_basic_types[T_UINT4], 4)->symt;
202 cv_basic_types[T_32PINT8] = &symt_new_pointer(module, cv_basic_types[T_INT8], 4)->symt;
203 cv_basic_types[T_32PUINT8] = &symt_new_pointer(module, cv_basic_types[T_UINT8], 4)->symt;
204 cv_basic_types[T_32PHRESULT]= &symt_new_pointer(module, cv_basic_types[T_HRESULT], 4)->symt;
205
206 cv_basic_types[T_64PVOID] = &symt_new_pointer(module, cv_basic_types[T_VOID], 8)->symt;
207 cv_basic_types[T_64PCHAR] = &symt_new_pointer(module, cv_basic_types[T_CHAR], 8)->symt;
208 cv_basic_types[T_64PSHORT] = &symt_new_pointer(module, cv_basic_types[T_SHORT], 8)->symt;
209 cv_basic_types[T_64PLONG] = &symt_new_pointer(module, cv_basic_types[T_LONG], 8)->symt;
210 cv_basic_types[T_64PQUAD] = &symt_new_pointer(module, cv_basic_types[T_QUAD], 8)->symt;
211 cv_basic_types[T_64PUCHAR] = &symt_new_pointer(module, cv_basic_types[T_UCHAR], 8)->symt;
212 cv_basic_types[T_64PUSHORT] = &symt_new_pointer(module, cv_basic_types[T_USHORT], 8)->symt;
213 cv_basic_types[T_64PULONG] = &symt_new_pointer(module, cv_basic_types[T_ULONG], 8)->symt;
214 cv_basic_types[T_64PUQUAD] = &symt_new_pointer(module, cv_basic_types[T_UQUAD], 8)->symt;
215 cv_basic_types[T_64PBOOL08] = &symt_new_pointer(module, cv_basic_types[T_BOOL08], 8)->symt;
216 cv_basic_types[T_64PBOOL16] = &symt_new_pointer(module, cv_basic_types[T_BOOL16], 8)->symt;
217 cv_basic_types[T_64PBOOL32] = &symt_new_pointer(module, cv_basic_types[T_BOOL32], 8)->symt;
218 cv_basic_types[T_64PBOOL64] = &symt_new_pointer(module, cv_basic_types[T_BOOL64], 8)->symt;
219 cv_basic_types[T_64PREAL32] = &symt_new_pointer(module, cv_basic_types[T_REAL32], 8)->symt;
220 cv_basic_types[T_64PREAL64] = &symt_new_pointer(module, cv_basic_types[T_REAL64], 8)->symt;
221 cv_basic_types[T_64PREAL80] = &symt_new_pointer(module, cv_basic_types[T_REAL80], 8)->symt;
222 cv_basic_types[T_64PRCHAR] = &symt_new_pointer(module, cv_basic_types[T_RCHAR], 8)->symt;
223 cv_basic_types[T_64PWCHAR] = &symt_new_pointer(module, cv_basic_types[T_WCHAR], 8)->symt;
224 cv_basic_types[T_64PINT2] = &symt_new_pointer(module, cv_basic_types[T_INT2], 8)->symt;
225 cv_basic_types[T_64PUINT2] = &symt_new_pointer(module, cv_basic_types[T_UINT2], 8)->symt;
226 cv_basic_types[T_64PINT4] = &symt_new_pointer(module, cv_basic_types[T_INT4], 8)->symt;
227 cv_basic_types[T_64PUINT4] = &symt_new_pointer(module, cv_basic_types[T_UINT4], 8)->symt;
228 cv_basic_types[T_64PINT8] = &symt_new_pointer(module, cv_basic_types[T_INT8], 8)->symt;
229 cv_basic_types[T_64PUINT8] = &symt_new_pointer(module, cv_basic_types[T_UINT8], 8)->symt;
230 cv_basic_types[T_64PHRESULT]= &symt_new_pointer(module, cv_basic_types[T_HRESULT], 8)->symt;
231 }
232
233 static int leaf_as_variant(VARIANT* v, const unsigned short int* leaf)
234 {
235 unsigned short int type = *leaf++;
236 int length = 2;
237
238 if (type < LF_NUMERIC)
239 {
240 v->n1.n2.vt = VT_UINT;
241 v->n1.n2.n3.uintVal = type;
242 }
243 else
244 {
245 switch (type)
246 {
247 case LF_CHAR:
248 length += 1;
249 v->n1.n2.vt = VT_I1;
250 v->n1.n2.n3.cVal = *(const char*)leaf;
251 break;
252
253 case LF_SHORT:
254 length += 2;
255 v->n1.n2.vt = VT_I2;
256 v->n1.n2.n3.iVal = *(const short*)leaf;
257 break;
258
259 case LF_USHORT:
260 length += 2;
261 v->n1.n2.vt = VT_UI2;
262 v->n1.n2.n3.uiVal = *leaf;
263 break;
264
265 case LF_LONG:
266 length += 4;
267 v->n1.n2.vt = VT_I4;
268 v->n1.n2.n3.lVal = *(const int*)leaf;
269 break;
270
271 case LF_ULONG:
272 length += 4;
273 v->n1.n2.vt = VT_UI4;
274 v->n1.n2.n3.uiVal = *(const unsigned int*)leaf;
275 break;
276
277 case LF_QUADWORD:
278 length += 8;
279 v->n1.n2.vt = VT_I8;
280 v->n1.n2.n3.llVal = *(const long long int*)leaf;
281 break;
282
283 case LF_UQUADWORD:
284 length += 8;
285 v->n1.n2.vt = VT_UI8;
286 v->n1.n2.n3.ullVal = *(const long long unsigned int*)leaf;
287 break;
288
289 case LF_REAL32:
290 length += 4;
291 v->n1.n2.vt = VT_R4;
292 v->n1.n2.n3.fltVal = *(const float*)leaf;
293 break;
294
295 case LF_REAL48:
296 FIXME("Unsupported numeric leaf type %04x\n", type);
297 length += 6;
298 v->n1.n2.vt = VT_EMPTY; /* FIXME */
299 break;
300
301 case LF_REAL64:
302 length += 8;
303 v->n1.n2.vt = VT_R8;
304 v->n1.n2.n3.fltVal = *(const double*)leaf;
305 break;
306
307 case LF_REAL80:
308 FIXME("Unsupported numeric leaf type %04x\n", type);
309 length += 10;
310 v->n1.n2.vt = VT_EMPTY; /* FIXME */
311 break;
312
313 case LF_REAL128:
314 FIXME("Unsupported numeric leaf type %04x\n", type);
315 length += 16;
316 v->n1.n2.vt = VT_EMPTY; /* FIXME */
317 break;
318
319 case LF_COMPLEX32:
320 FIXME("Unsupported numeric leaf type %04x\n", type);
321 length += 4;
322 v->n1.n2.vt = VT_EMPTY; /* FIXME */
323 break;
324
325 case LF_COMPLEX64:
326 FIXME("Unsupported numeric leaf type %04x\n", type);
327 length += 8;
328 v->n1.n2.vt = VT_EMPTY; /* FIXME */
329 break;
330
331 case LF_COMPLEX80:
332 FIXME("Unsupported numeric leaf type %04x\n", type);
333 length += 10;
334 v->n1.n2.vt = VT_EMPTY; /* FIXME */
335 break;
336
337 case LF_COMPLEX128:
338 FIXME("Unsupported numeric leaf type %04x\n", type);
339 length += 16;
340 v->n1.n2.vt = VT_EMPTY; /* FIXME */
341 break;
342
343 case LF_VARSTRING:
344 FIXME("Unsupported numeric leaf type %04x\n", type);
345 length += 2 + *leaf;
346 v->n1.n2.vt = VT_EMPTY; /* FIXME */
347 break;
348
349 default:
350 FIXME("Unknown numeric leaf type %04x\n", type);
351 v->n1.n2.vt = VT_EMPTY; /* FIXME */
352 break;
353 }
354 }
355
356 return length;
357 }
358
359 static int numeric_leaf(int* value, const unsigned short int* leaf)
360 {
361 unsigned short int type = *leaf++;
362 int length = 2;
363
364 if (type < LF_NUMERIC)
365 {
366 *value = type;
367 }
368 else
369 {
370 switch (type)
371 {
372 case LF_CHAR:
373 length += 1;
374 *value = *(const char*)leaf;
375 break;
376
377 case LF_SHORT:
378 length += 2;
379 *value = *(const short*)leaf;
380 break;
381
382 case LF_USHORT:
383 length += 2;
384 *value = *leaf;
385 break;
386
387 case LF_LONG:
388 length += 4;
389 *value = *(const int*)leaf;
390 break;
391
392 case LF_ULONG:
393 length += 4;
394 *value = *(const unsigned int*)leaf;
395 break;
396
397 case LF_QUADWORD:
398 case LF_UQUADWORD:
399 FIXME("Unsupported numeric leaf type %04x\n", type);
400 length += 8;
401 *value = 0; /* FIXME */
402 break;
403
404 case LF_REAL32:
405 FIXME("Unsupported numeric leaf type %04x\n", type);
406 length += 4;
407 *value = 0; /* FIXME */
408 break;
409
410 case LF_REAL48:
411 FIXME("Unsupported numeric leaf type %04x\n", type);
412 length += 6;
413 *value = 0; /* FIXME */
414 break;
415
416 case LF_REAL64:
417 FIXME("Unsupported numeric leaf type %04x\n", type);
418 length += 8;
419 *value = 0; /* FIXME */
420 break;
421
422 case LF_REAL80:
423 FIXME("Unsupported numeric leaf type %04x\n", type);
424 length += 10;
425 *value = 0; /* FIXME */
426 break;
427
428 case LF_REAL128:
429 FIXME("Unsupported numeric leaf type %04x\n", type);
430 length += 16;
431 *value = 0; /* FIXME */
432 break;
433
434 case LF_COMPLEX32:
435 FIXME("Unsupported numeric leaf type %04x\n", type);
436 length += 4;
437 *value = 0; /* FIXME */
438 break;
439
440 case LF_COMPLEX64:
441 FIXME("Unsupported numeric leaf type %04x\n", type);
442 length += 8;
443 *value = 0; /* FIXME */
444 break;
445
446 case LF_COMPLEX80:
447 FIXME("Unsupported numeric leaf type %04x\n", type);
448 length += 10;
449 *value = 0; /* FIXME */
450 break;
451
452 case LF_COMPLEX128:
453 FIXME("Unsupported numeric leaf type %04x\n", type);
454 length += 16;
455 *value = 0; /* FIXME */
456 break;
457
458 case LF_VARSTRING:
459 FIXME("Unsupported numeric leaf type %04x\n", type);
460 length += 2 + *leaf;
461 *value = 0; /* FIXME */
462 break;
463
464 default:
465 FIXME("Unknown numeric leaf type %04x\n", type);
466 *value = 0;
467 break;
468 }
469 }
470
471 return length;
472 }
473
474 /* convert a pascal string (as stored in debug information) into
475 * a C string (null terminated).
476 */
477 static const char* terminate_string(const struct p_string* p_name)
478 {
479 static char symname[256];
480
481 memcpy(symname, p_name->name, p_name->namelen);
482 symname[p_name->namelen] = '\0';
483
484 return (!*symname || strcmp(symname, "__unnamed") == 0) ? NULL : symname;
485 }
486
487 static struct symt* codeview_get_type(unsigned int typeno, BOOL quiet)
488 {
489 struct symt* symt = NULL;
490
491 /*
492 * Convert Codeview type numbers into something we can grok internally.
493 * Numbers < FIRST_DEFINABLE_TYPE are all fixed builtin types.
494 * Numbers from FIRST_DEFINABLE_TYPE and up are all user defined (structs, etc).
495 */
496 if (typeno < FIRST_DEFINABLE_TYPE)
497 {
498 if (typeno < MAX_BUILTIN_TYPES)
499 symt = cv_basic_types[typeno];
500 }
501 else
502 {
503 unsigned mod_index = typeno >> 24;
504 unsigned mod_typeno = typeno & 0x00FFFFFF;
505 struct cv_defined_module* mod;
506
507 mod = (mod_index == 0) ? cv_current_module : &cv_zmodules[mod_index];
508
509 if (mod_index >= CV_MAX_MODULES || !mod->allowed)
510 FIXME("Module of index %d isn't loaded yet (%x)\n", mod_index, typeno);
511 else
512 {
513 if (mod_typeno - FIRST_DEFINABLE_TYPE < mod->num_defined_types)
514 symt = mod->defined_types[mod_typeno - FIRST_DEFINABLE_TYPE];
515 }
516 }
517 if (!quiet && !symt && typeno) FIXME("Returning NULL symt for type-id %x\n", typeno);
518 return symt;
519 }
520
521 struct codeview_type_parse
522 {
523 struct module* module;
524 const BYTE* table;
525 const DWORD* offset;
526 DWORD num;
527 };
528
529 static inline const void* codeview_jump_to_type(const struct codeview_type_parse* ctp, DWORD idx)
530 {
531 if (idx < FIRST_DEFINABLE_TYPE) return NULL;
532 idx -= FIRST_DEFINABLE_TYPE;
533 return (idx >= ctp->num) ? NULL : (ctp->table + ctp->offset[idx]);
534 }
535
536 static int codeview_add_type(unsigned int typeno, struct symt* dt)
537 {
538 if (typeno < FIRST_DEFINABLE_TYPE)
539 FIXME("What the heck\n");
540 if (!cv_current_module)
541 {
542 FIXME("Adding %x to non allowed module\n", typeno);
543 return FALSE;
544 }
545 if ((typeno >> 24) != 0)
546 FIXME("No module index while inserting type-id assumption is wrong %x\n",
547 typeno);
548 if (typeno - FIRST_DEFINABLE_TYPE >= cv_current_module->num_defined_types)
549 {
550 if (cv_current_module->defined_types)
551 {
552 cv_current_module->num_defined_types = max( cv_current_module->num_defined_types * 2,
553 typeno - FIRST_DEFINABLE_TYPE + 1 );
554 cv_current_module->defined_types = HeapReAlloc(GetProcessHeap(),
555 HEAP_ZERO_MEMORY, cv_current_module->defined_types,
556 cv_current_module->num_defined_types * sizeof(struct symt*));
557 }
558 else
559 {
560 cv_current_module->num_defined_types = max( 256, typeno - FIRST_DEFINABLE_TYPE + 1 );
561 cv_current_module->defined_types = HeapAlloc(GetProcessHeap(),
562 HEAP_ZERO_MEMORY,
563 cv_current_module->num_defined_types * sizeof(struct symt*));
564 }
565 if (cv_current_module->defined_types == NULL) return FALSE;
566 }
567 if (cv_current_module->defined_types[typeno - FIRST_DEFINABLE_TYPE])
568 {
569 if (cv_current_module->defined_types[typeno - FIRST_DEFINABLE_TYPE] != dt)
570 FIXME("Overwriting at %x\n", typeno);
571 }
572 cv_current_module->defined_types[typeno - FIRST_DEFINABLE_TYPE] = dt;
573 return TRUE;
574 }
575
576 static void codeview_clear_type_table(void)
577 {
578 int i;
579
580 for (i = 0; i < CV_MAX_MODULES; i++)
581 {
582 if (cv_zmodules[i].allowed)
583 HeapFree(GetProcessHeap(), 0, cv_zmodules[i].defined_types);
584 cv_zmodules[i].allowed = FALSE;
585 cv_zmodules[i].defined_types = NULL;
586 cv_zmodules[i].num_defined_types = 0;
587 }
588 cv_current_module = NULL;
589 }
590
591 static struct symt* codeview_parse_one_type(struct codeview_type_parse* ctp,
592 unsigned curr_type,
593 const union codeview_type* type, BOOL details);
594
595 static void* codeview_cast_symt(struct symt* symt, enum SymTagEnum tag)
596 {
597 if (symt->tag != tag)
598 {
599 FIXME("Bad tag. Expected %d, but got %d\n", tag, symt->tag);
600 return NULL;
601 }
602 return symt;
603 }
604
605 static struct symt* codeview_fetch_type(struct codeview_type_parse* ctp,
606 unsigned typeno, BOOL details)
607 {
608 struct symt* symt;
609 const union codeview_type* p;
610
611 if (!typeno) return NULL;
612 if ((symt = codeview_get_type(typeno, TRUE))) return symt;
613
614 /* forward declaration */
615 if (!(p = codeview_jump_to_type(ctp, typeno)))
616 {
617 FIXME("Cannot locate type %x\n", typeno);
618 return NULL;
619 }
620 symt = codeview_parse_one_type(ctp, typeno, p, details);
621 if (!symt) FIXME("Couldn't load forward type %x\n", typeno);
622 return symt;
623 }
624
625 static struct symt* codeview_add_type_pointer(struct codeview_type_parse* ctp,
626 struct symt* existing,
627 unsigned int pointee_type)
628 {
629 struct symt* pointee;
630
631 if (existing)
632 {
633 existing = codeview_cast_symt(existing, SymTagPointerType);
634 return existing;
635 }
636 pointee = codeview_fetch_type(ctp, pointee_type, FALSE);
637 return &symt_new_pointer(ctp->module, pointee, sizeof(void *))->symt;
638 }
639
640 static struct symt* codeview_add_type_array(struct codeview_type_parse* ctp,
641 const char* name,
642 unsigned int elemtype,
643 unsigned int indextype,
644 unsigned int arr_len)
645 {
646 struct symt* elem = codeview_fetch_type(ctp, elemtype, FALSE);
647 struct symt* index = codeview_fetch_type(ctp, indextype, FALSE);
648
649 return &symt_new_array(ctp->module, 0, -arr_len, elem, index)->symt;
650 }
651
652 static BOOL codeview_add_type_enum_field_list(struct module* module,
653 struct symt_enum* symt,
654 const union codeview_reftype* ref_type)
655 {
656 const unsigned char* ptr = ref_type->fieldlist.list;
657 const unsigned char* last = (const BYTE*)ref_type + ref_type->generic.len + 2;
658 const union codeview_fieldtype* type;
659
660 while (ptr < last)
661 {
662 if (*ptr >= 0xf0) /* LF_PAD... */
663 {
664 ptr += *ptr & 0x0f;
665 continue;
666 }
667
668 type = (const union codeview_fieldtype*)ptr;
669
670 switch (type->generic.id)
671 {
672 case LF_ENUMERATE_V1:
673 {
674 int value, vlen = numeric_leaf(&value, &type->enumerate_v1.value);
675 const struct p_string* p_name = (const struct p_string*)((const unsigned char*)&type->enumerate_v1.value + vlen);
676
677 symt_add_enum_element(module, symt, terminate_string(p_name), value);
678 ptr += 2 + 2 + vlen + (1 + p_name->namelen);
679 break;
680 }
681 case LF_ENUMERATE_V3:
682 {
683 int value, vlen = numeric_leaf(&value, &type->enumerate_v3.value);
684 const char* name = (const char*)&type->enumerate_v3.value + vlen;
685
686 symt_add_enum_element(module, symt, name, value);
687 ptr += 2 + 2 + vlen + (1 + strlen(name));
688 break;
689 }
690
691 default:
692 FIXME("Unsupported type %04x in ENUM field list\n", type->generic.id);
693 return FALSE;
694 }
695 }
696 return TRUE;
697 }
698
699 static void codeview_add_udt_element(struct codeview_type_parse* ctp,
700 struct symt_udt* symt, const char* name,
701 int value, unsigned type)
702 {
703 struct symt* subtype;
704 const union codeview_reftype*cv_type;
705
706 if ((cv_type = codeview_jump_to_type(ctp, type)))
707 {
708 switch (cv_type->generic.id)
709 {
710 case LF_BITFIELD_V1:
711 symt_add_udt_element(ctp->module, symt, name,
712 codeview_fetch_type(ctp, cv_type->bitfield_v1.type, FALSE),
713 (value << 3) + cv_type->bitfield_v1.bitoff,
714 cv_type->bitfield_v1.nbits);
715 return;
716 case LF_BITFIELD_V2:
717 symt_add_udt_element(ctp->module, symt, name,
718 codeview_fetch_type(ctp, cv_type->bitfield_v2.type, FALSE),
719 (value << 3) + cv_type->bitfield_v2.bitoff,
720 cv_type->bitfield_v2.nbits);
721 return;
722 }
723 }
724 subtype = codeview_fetch_type(ctp, type, FALSE);
725
726 if (subtype)
727 {
728 DWORD64 elem_size = 0;
729 symt_get_info(ctp->module, subtype, TI_GET_LENGTH, &elem_size);
730 symt_add_udt_element(ctp->module, symt, name, subtype,
731 value << 3, (DWORD)elem_size << 3);
732 }
733 }
734
735 static int codeview_add_type_struct_field_list(struct codeview_type_parse* ctp,
736 struct symt_udt* symt,
737 unsigned fieldlistno)
738 {
739 const unsigned char* ptr;
740 const unsigned char* last;
741 int value, leaf_len;
742 const struct p_string* p_name;
743 const char* c_name;
744 const union codeview_reftype*type_ref;
745 const union codeview_fieldtype* type;
746
747 if (!fieldlistno) return TRUE;
748 type_ref = codeview_jump_to_type(ctp, fieldlistno);
749 ptr = type_ref->fieldlist.list;
750 last = (const BYTE*)type_ref + type_ref->generic.len + 2;
751
752 while (ptr < last)
753 {
754 if (*ptr >= 0xf0) /* LF_PAD... */
755 {
756 ptr += *ptr & 0x0f;
757 continue;
758 }
759
760 type = (const union codeview_fieldtype*)ptr;
761
762 switch (type->generic.id)
763 {
764 case LF_BCLASS_V1:
765 leaf_len = numeric_leaf(&value, &type->bclass_v1.offset);
766
767 /* FIXME: ignored for now */
768
769 ptr += 2 + 2 + 2 + leaf_len;
770 break;
771
772 case LF_BCLASS_V2:
773 leaf_len = numeric_leaf(&value, &type->bclass_v2.offset);
774
775 /* FIXME: ignored for now */
776
777 ptr += 2 + 2 + 4 + leaf_len;
778 break;
779
780 case LF_VBCLASS_V1:
781 case LF_IVBCLASS_V1:
782 {
783 const unsigned short int* p_vboff;
784 int vpoff, vplen;
785 leaf_len = numeric_leaf(&value, &type->vbclass_v1.vbpoff);
786 p_vboff = (const unsigned short int*)((const char*)&type->vbclass_v1.vbpoff + leaf_len);
787 vplen = numeric_leaf(&vpoff, p_vboff);
788
789 /* FIXME: ignored for now */
790
791 ptr += 2 + 2 + 2 + 2 + leaf_len + vplen;
792 }
793 break;
794
795 case LF_VBCLASS_V2:
796 case LF_IVBCLASS_V2:
797 {
798 const unsigned short int* p_vboff;
799 int vpoff, vplen;
800 leaf_len = numeric_leaf(&value, &type->vbclass_v2.vbpoff);
801 p_vboff = (const unsigned short int*)((const char*)&type->vbclass_v2.vbpoff + leaf_len);
802 vplen = numeric_leaf(&vpoff, p_vboff);
803
804 /* FIXME: ignored for now */
805
806 ptr += 2 + 2 + 4 + 4 + leaf_len + vplen;
807 }
808 break;
809
810 case LF_MEMBER_V1:
811 leaf_len = numeric_leaf(&value, &type->member_v1.offset);
812 p_name = (const struct p_string*)((const char*)&type->member_v1.offset + leaf_len);
813
814 codeview_add_udt_element(ctp, symt, terminate_string(p_name), value,
815 type->member_v1.type);
816
817 ptr += 2 + 2 + 2 + leaf_len + (1 + p_name->namelen);
818 break;
819
820 case LF_MEMBER_V2:
821 leaf_len = numeric_leaf(&value, &type->member_v2.offset);
822 p_name = (const struct p_string*)((const unsigned char*)&type->member_v2.offset + leaf_len);
823
824 codeview_add_udt_element(ctp, symt, terminate_string(p_name), value,
825 type->member_v2.type);
826
827 ptr += 2 + 2 + 4 + leaf_len + (1 + p_name->namelen);
828 break;
829
830 case LF_MEMBER_V3:
831 leaf_len = numeric_leaf(&value, &type->member_v3.offset);
832 c_name = (const char*)&type->member_v3.offset + leaf_len;
833
834 codeview_add_udt_element(ctp, symt, c_name, value, type->member_v3.type);
835
836 ptr += 2 + 2 + 4 + leaf_len + (strlen(c_name) + 1);
837 break;
838
839 case LF_STMEMBER_V1:
840 /* FIXME: ignored for now */
841 ptr += 2 + 2 + 2 + (1 + type->stmember_v1.p_name.namelen);
842 break;
843
844 case LF_STMEMBER_V2:
845 /* FIXME: ignored for now */
846 ptr += 2 + 4 + 2 + (1 + type->stmember_v2.p_name.namelen);
847 break;
848
849 case LF_STMEMBER_V3:
850 /* FIXME: ignored for now */
851 ptr += 2 + 4 + 2 + (strlen(type->stmember_v3.name) + 1);
852 break;
853
854 case LF_METHOD_V1:
855 /* FIXME: ignored for now */
856 ptr += 2 + 2 + 2 + (1 + type->method_v1.p_name.namelen);
857 break;
858
859 case LF_METHOD_V2:
860 /* FIXME: ignored for now */
861 ptr += 2 + 2 + 4 + (1 + type->method_v2.p_name.namelen);
862 break;
863
864 case LF_METHOD_V3:
865 /* FIXME: ignored for now */
866 ptr += 2 + 2 + 4 + (strlen(type->method_v3.name) + 1);
867 break;
868
869 case LF_NESTTYPE_V1:
870 /* FIXME: ignored for now */
871 ptr += 2 + 2 + (1 + type->nesttype_v1.p_name.namelen);
872 break;
873
874 case LF_NESTTYPE_V2:
875 /* FIXME: ignored for now */
876 ptr += 2 + 2 + 4 + (1 + type->nesttype_v2.p_name.namelen);
877 break;
878
879 case LF_NESTTYPE_V3:
880 /* FIXME: ignored for now */
881 ptr += 2 + 2 + 4 + (strlen(type->nesttype_v3.name) + 1);
882 break;
883
884 case LF_VFUNCTAB_V1:
885 /* FIXME: ignored for now */
886 ptr += 2 + 2;
887 break;
888
889 case LF_VFUNCTAB_V2:
890 /* FIXME: ignored for now */
891 ptr += 2 + 2 + 4;
892 break;
893
894 case LF_ONEMETHOD_V1:
895 /* FIXME: ignored for now */
896 switch ((type->onemethod_v1.attribute >> 2) & 7)
897 {
898 case 4: case 6: /* (pure) introducing virtual method */
899 ptr += 2 + 2 + 2 + 4 + (1 + type->onemethod_virt_v1.p_name.namelen);
900 break;
901
902 default:
903 ptr += 2 + 2 + 2 + (1 + type->onemethod_v1.p_name.namelen);
904 break;
905 }
906 break;
907
908 case LF_ONEMETHOD_V2:
909 /* FIXME: ignored for now */
910 switch ((type->onemethod_v2.attribute >> 2) & 7)
911 {
912 case 4: case 6: /* (pure) introducing virtual method */
913 ptr += 2 + 2 + 4 + 4 + (1 + type->onemethod_virt_v2.p_name.namelen);
914 break;
915
916 default:
917 ptr += 2 + 2 + 4 + (1 + type->onemethod_v2.p_name.namelen);
918 break;
919 }
920 break;
921
922 case LF_ONEMETHOD_V3:
923 /* FIXME: ignored for now */
924 switch ((type->onemethod_v3.attribute >> 2) & 7)
925 {
926 case 4: case 6: /* (pure) introducing virtual method */
927 ptr += 2 + 2 + 4 + 4 + (strlen(type->onemethod_virt_v3.name) + 1);
928 break;
929
930 default:
931 ptr += 2 + 2 + 4 + (strlen(type->onemethod_v3.name) + 1);
932 break;
933 }
934 break;
935
936 case LF_INDEX_V1:
937 if (!codeview_add_type_struct_field_list(ctp, symt, type->index_v1.ref))
938 return FALSE;
939 ptr += 2 + 2;
940 break;
941
942 case LF_INDEX_V2:
943 if (!codeview_add_type_struct_field_list(ctp, symt, type->index_v2.ref))
944 return FALSE;
945 ptr += 2 + 2 + 4;
946 break;
947
948 default:
949 FIXME("Unsupported type %04x in STRUCT field list\n", type->generic.id);
950 return FALSE;
951 }
952 }
953
954 return TRUE;
955 }
956
957 static struct symt* codeview_add_type_enum(struct codeview_type_parse* ctp,
958 struct symt* existing,
959 const char* name,
960 unsigned fieldlistno,
961 unsigned basetype)
962 {
963 struct symt_enum* symt;
964
965 if (existing)
966 {
967 if (!(symt = codeview_cast_symt(existing, SymTagEnum))) return NULL;
968 /* should also check that all fields are the same */
969 }
970 else
971 {
972 symt = symt_new_enum(ctp->module, name,
973 codeview_fetch_type(ctp, basetype, FALSE));
974 if (fieldlistno)
975 {
976 const union codeview_reftype* fieldlist;
977 fieldlist = codeview_jump_to_type(ctp, fieldlistno);
978 codeview_add_type_enum_field_list(ctp->module, symt, fieldlist);
979 }
980 }
981 return &symt->symt;
982 }
983
984 static struct symt* codeview_add_type_struct(struct codeview_type_parse* ctp,
985 struct symt* existing,
986 const char* name, int structlen,
987 enum UdtKind kind, unsigned property)
988 {
989 struct symt_udt* symt;
990
991 /* if we don't have an existing type, try to find one with same name
992 * FIXME: what to do when several types in different CUs have same name ?
993 */
994 if (!existing)
995 {
996 void* ptr;
997 struct symt_ht* type;
998 struct hash_table_iter hti;
999
1000 hash_table_iter_init(&ctp->module->ht_types, &hti, name);
1001 while ((ptr = hash_table_iter_up(&hti)))
1002 {
1003 type = GET_ENTRY(ptr, struct symt_ht, hash_elt);
1004
1005 if (type->symt.tag == SymTagUDT &&
1006 type->hash_elt.name && !strcmp(type->hash_elt.name, name))
1007 {
1008 existing = &type->symt;
1009 break;
1010 }
1011 }
1012 }
1013 if (existing)
1014 {
1015 if (!(symt = codeview_cast_symt(existing, SymTagUDT))) return NULL;
1016 /* should also check that all fields are the same */
1017 if (!(property & 0x80)) /* 0x80 = forward declaration */
1018 {
1019 if (!symt->size) /* likely prior forward declaration, set UDT size */
1020 symt_set_udt_size(ctp->module, symt, structlen);
1021 else /* different UDT with same name, create a new type */
1022 existing = NULL;
1023 }
1024 }
1025 if (!existing) symt = symt_new_udt(ctp->module, name, structlen, kind);
1026
1027 return &symt->symt;
1028 }
1029
1030 static struct symt* codeview_new_func_signature(struct codeview_type_parse* ctp,
1031 struct symt* existing,
1032 enum CV_call_e call_conv)
1033 {
1034 struct symt_function_signature* sym;
1035
1036 if (existing)
1037 {
1038 sym = codeview_cast_symt(existing, SymTagFunctionType);
1039 if (!sym) return NULL;
1040 }
1041 else
1042 {
1043 sym = symt_new_function_signature(ctp->module, NULL, call_conv);
1044 }
1045 return &sym->symt;
1046 }
1047
1048 static void codeview_add_func_signature_args(struct codeview_type_parse* ctp,
1049 struct symt_function_signature* sym,
1050 unsigned ret_type,
1051 unsigned args_list)
1052 {
1053 const union codeview_reftype* reftype;
1054
1055 sym->rettype = codeview_fetch_type(ctp, ret_type, FALSE);
1056 if (args_list && (reftype = codeview_jump_to_type(ctp, args_list)))
1057 {
1058 unsigned int i;
1059 switch (reftype->generic.id)
1060 {
1061 case LF_ARGLIST_V1:
1062 for (i = 0; i < reftype->arglist_v1.num; i++)
1063 symt_add_function_signature_parameter(ctp->module, sym,
1064 codeview_fetch_type(ctp, reftype->arglist_v1.args[i], FALSE));
1065 break;
1066 case LF_ARGLIST_V2:
1067 for (i = 0; i < reftype->arglist_v2.num; i++)
1068 symt_add_function_signature_parameter(ctp->module, sym,
1069 codeview_fetch_type(ctp, reftype->arglist_v2.args[i], FALSE));
1070 break;
1071 default:
1072 FIXME("Unexpected leaf %x for signature's pmt\n", reftype->generic.id);
1073 }
1074 }
1075 }
1076
1077 static struct symt* codeview_parse_one_type(struct codeview_type_parse* ctp,
1078 unsigned curr_type,
1079 const union codeview_type* type, BOOL details)
1080 {
1081 struct symt* symt;
1082 int value, leaf_len;
1083 const struct p_string* p_name;
1084 const char* c_name;
1085 struct symt* existing;
1086
1087 existing = codeview_get_type(curr_type, TRUE);
1088
1089 switch (type->generic.id)
1090 {
1091 case LF_MODIFIER_V1:
1092 /* FIXME: we don't handle modifiers,
1093 * but read previous type on the curr_type
1094 */
1095 WARN("Modifier on %x: %s%s%s%s\n",
1096 type->modifier_v1.type,
1097 type->modifier_v1.attribute & 0x01 ? "const " : "",
1098 type->modifier_v1.attribute & 0x02 ? "volatile " : "",
1099 type->modifier_v1.attribute & 0x04 ? "unaligned " : "",
1100 type->modifier_v1.attribute & ~0x07 ? "unknown " : "");
1101 symt = codeview_fetch_type(ctp, type->modifier_v1.type, details);
1102 break;
1103 case LF_MODIFIER_V2:
1104 /* FIXME: we don't handle modifiers, but readd previous type on the curr_type */
1105 WARN("Modifier on %x: %s%s%s%s\n",
1106 type->modifier_v2.type,
1107 type->modifier_v2.attribute & 0x01 ? "const " : "",
1108 type->modifier_v2.attribute & 0x02 ? "volatile " : "",
1109 type->modifier_v2.attribute & 0x04 ? "unaligned " : "",
1110 type->modifier_v2.attribute & ~0x07 ? "unknown " : "");
1111 symt = codeview_fetch_type(ctp, type->modifier_v2.type, details);
1112 break;
1113
1114 case LF_POINTER_V1:
1115 symt = codeview_add_type_pointer(ctp, existing, type->pointer_v1.datatype);
1116 break;
1117 case LF_POINTER_V2:
1118 symt = codeview_add_type_pointer(ctp, existing, type->pointer_v2.datatype);
1119 break;
1120
1121 case LF_ARRAY_V1:
1122 if (existing) symt = codeview_cast_symt(existing, SymTagArrayType);
1123 else
1124 {
1125 leaf_len = numeric_leaf(&value, &type->array_v1.arrlen);
1126 p_name = (const struct p_string*)((const unsigned char*)&type->array_v1.arrlen + leaf_len);
1127 symt = codeview_add_type_array(ctp, terminate_string(p_name),
1128 type->array_v1.elemtype,
1129 type->array_v1.idxtype, value);
1130 }
1131 break;
1132 case LF_ARRAY_V2:
1133 if (existing) symt = codeview_cast_symt(existing, SymTagArrayType);
1134 else
1135 {
1136 leaf_len = numeric_leaf(&value, &type->array_v2.arrlen);
1137 p_name = (const struct p_string*)((const unsigned char*)&type->array_v2.arrlen + leaf_len);
1138
1139 symt = codeview_add_type_array(ctp, terminate_string(p_name),
1140 type->array_v2.elemtype,
1141 type->array_v2.idxtype, value);
1142 }
1143 break;
1144 case LF_ARRAY_V3:
1145 if (existing) symt = codeview_cast_symt(existing, SymTagArrayType);
1146 else
1147 {
1148 leaf_len = numeric_leaf(&value, &type->array_v3.arrlen);
1149 c_name = (const char*)&type->array_v3.arrlen + leaf_len;
1150
1151 symt = codeview_add_type_array(ctp, c_name,
1152 type->array_v3.elemtype,
1153 type->array_v3.idxtype, value);
1154 }
1155 break;
1156
1157 case LF_STRUCTURE_V1:
1158 case LF_CLASS_V1:
1159 leaf_len = numeric_leaf(&value, &type->struct_v1.structlen);
1160 p_name = (const struct p_string*)((const unsigned char*)&type->struct_v1.structlen + leaf_len);
1161 symt = codeview_add_type_struct(ctp, existing, terminate_string(p_name), value,
1162 type->generic.id == LF_CLASS_V1 ? UdtClass : UdtStruct,
1163 type->struct_v1.property);
1164 if (details)
1165 {
1166 codeview_add_type(curr_type, symt);
1167 if (!(type->struct_v1.property & 0x80)) /* 0x80 = forward declaration */
1168 codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
1169 type->struct_v1.fieldlist);
1170 }
1171 break;
1172
1173 case LF_STRUCTURE_V2:
1174 case LF_CLASS_V2:
1175 leaf_len = numeric_leaf(&value, &type->struct_v2.structlen);
1176 p_name = (const struct p_string*)((const unsigned char*)&type->struct_v2.structlen + leaf_len);
1177 symt = codeview_add_type_struct(ctp, existing, terminate_string(p_name), value,
1178 type->generic.id == LF_CLASS_V2 ? UdtClass : UdtStruct,
1179 type->struct_v2.property);
1180 if (details)
1181 {
1182 codeview_add_type(curr_type, symt);
1183 if (!(type->struct_v2.property & 0x80)) /* 0x80 = forward declaration */
1184 codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
1185 type->struct_v2.fieldlist);
1186 }
1187 break;
1188
1189 case LF_STRUCTURE_V3:
1190 case LF_CLASS_V3:
1191 leaf_len = numeric_leaf(&value, &type->struct_v3.structlen);
1192 c_name = (const char*)&type->struct_v3.structlen + leaf_len;
1193 symt = codeview_add_type_struct(ctp, existing, c_name, value,
1194 type->generic.id == LF_CLASS_V3 ? UdtClass : UdtStruct,
1195 type->struct_v3.property);
1196 if (details)
1197 {
1198 codeview_add_type(curr_type, symt);
1199 if (!(type->struct_v3.property & 0x80)) /* 0x80 = forward declaration */
1200 codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
1201 type->struct_v3.fieldlist);
1202 }
1203 break;
1204
1205 case LF_UNION_V1:
1206 leaf_len = numeric_leaf(&value, &type->union_v1.un_len);
1207 p_name = (const struct p_string*)((const unsigned char*)&type->union_v1.un_len + leaf_len);
1208 symt = codeview_add_type_struct(ctp, existing, terminate_string(p_name),
1209 value, UdtUnion, type->union_v1.property);
1210 if (details)
1211 {
1212 codeview_add_type(curr_type, symt);
1213 codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
1214 type->union_v1.fieldlist);
1215 }
1216 break;
1217
1218 case LF_UNION_V2:
1219 leaf_len = numeric_leaf(&value, &type->union_v2.un_len);
1220 p_name = (const struct p_string*)((const unsigned char*)&type->union_v2.un_len + leaf_len);
1221 symt = codeview_add_type_struct(ctp, existing, terminate_string(p_name),
1222 value, UdtUnion, type->union_v2.property);
1223 if (details)
1224 {
1225 codeview_add_type(curr_type, symt);
1226 codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
1227 type->union_v2.fieldlist);
1228 }
1229 break;
1230
1231 case LF_UNION_V3:
1232 leaf_len = numeric_leaf(&value, &type->union_v3.un_len);
1233 c_name = (const char*)&type->union_v3.un_len + leaf_len;
1234 symt = codeview_add_type_struct(ctp, existing, c_name,
1235 value, UdtUnion, type->union_v3.property);
1236 if (details)
1237 {
1238 codeview_add_type(curr_type, symt);
1239 codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
1240 type->union_v3.fieldlist);
1241 }
1242 break;
1243
1244 case LF_ENUM_V1:
1245 symt = codeview_add_type_enum(ctp, existing,
1246 terminate_string(&type->enumeration_v1.p_name),
1247 type->enumeration_v1.fieldlist,
1248 type->enumeration_v1.type);
1249 break;
1250
1251 case LF_ENUM_V2:
1252 symt = codeview_add_type_enum(ctp, existing,
1253 terminate_string(&type->enumeration_v2.p_name),
1254 type->enumeration_v2.fieldlist,
1255 type->enumeration_v2.type);
1256 break;
1257
1258 case LF_ENUM_V3:
1259 symt = codeview_add_type_enum(ctp, existing, type->enumeration_v3.name,
1260 type->enumeration_v3.fieldlist,
1261 type->enumeration_v3.type);
1262 break;
1263
1264 case LF_PROCEDURE_V1:
1265 symt = codeview_new_func_signature(ctp, existing, type->procedure_v1.call);
1266 if (details)
1267 {
1268 codeview_add_type(curr_type, symt);
1269 codeview_add_func_signature_args(ctp,
1270 (struct symt_function_signature*)symt,
1271 type->procedure_v1.rvtype,
1272 type->procedure_v1.arglist);
1273 }
1274 break;
1275 case LF_PROCEDURE_V2:
1276 symt = codeview_new_func_signature(ctp, existing,type->procedure_v2.call);
1277 if (details)
1278 {
1279 codeview_add_type(curr_type, symt);
1280 codeview_add_func_signature_args(ctp,
1281 (struct symt_function_signature*)symt,
1282 type->procedure_v2.rvtype,
1283 type->procedure_v2.arglist);
1284 }
1285 break;
1286
1287 case LF_MFUNCTION_V1:
1288 /* FIXME: for C++, this is plain wrong, but as we don't use arg types
1289 * nor class information, this would just do for now
1290 */
1291 symt = codeview_new_func_signature(ctp, existing, type->mfunction_v1.call);
1292 if (details)
1293 {
1294 codeview_add_type(curr_type, symt);
1295 codeview_add_func_signature_args(ctp,
1296 (struct symt_function_signature*)symt,
1297 type->mfunction_v1.rvtype,
1298 type->mfunction_v1.arglist);
1299 }
1300 break;
1301 case LF_MFUNCTION_V2:
1302 /* FIXME: for C++, this is plain wrong, but as we don't use arg types
1303 * nor class information, this would just do for now
1304 */
1305 symt = codeview_new_func_signature(ctp, existing, type->mfunction_v2.call);
1306 if (details)
1307 {
1308 codeview_add_type(curr_type, symt);
1309 codeview_add_func_signature_args(ctp,
1310 (struct symt_function_signature*)symt,
1311 type->mfunction_v2.rvtype,
1312 type->mfunction_v2.arglist);
1313 }
1314 break;
1315
1316 case LF_VTSHAPE_V1:
1317 /* this is an ugly hack... FIXME when we have C++ support */
1318 if (!(symt = existing))
1319 {
1320 char buf[128];
1321 snprintf(buf, sizeof(buf), "__internal_vt_shape_%x\n", curr_type);
1322 symt = &symt_new_udt(ctp->module, buf, 0, UdtStruct)->symt;
1323 }
1324 break;
1325 default:
1326 FIXME("Unsupported type-id leaf %x\n", type->generic.id);
1327 dump(type, 2 + type->generic.len);
1328 return NULL;
1329 }
1330 return codeview_add_type(curr_type, symt) ? symt : NULL;
1331 }
1332
1333 static BOOL codeview_parse_type_table(struct codeview_type_parse* ctp)
1334 {
1335 unsigned int curr_type = FIRST_DEFINABLE_TYPE;
1336 const union codeview_type* type;
1337
1338 for (curr_type = FIRST_DEFINABLE_TYPE; curr_type < FIRST_DEFINABLE_TYPE + ctp->num; curr_type++)
1339 {
1340 type = codeview_jump_to_type(ctp, curr_type);
1341
1342 /* type records we're interested in are the ones referenced by symbols
1343 * The known ranges are (X mark the ones we want):
1344 * X 0000-0016 for V1 types
1345 * 0200-020c for V1 types referenced by other types
1346 * 0400-040f for V1 types (complex lists & sets)
1347 * X 1000-100f for V2 types
1348 * 1200-120c for V2 types referenced by other types
1349 * 1400-140f for V1 types (complex lists & sets)
1350 * X 1500-150d for V3 types
1351 * 8000-8010 for numeric leafes
1352 */
1353 if (!(type->generic.id & 0x8600) || (type->generic.id & 0x0100))
1354 codeview_parse_one_type(ctp, curr_type, type, TRUE);
1355 }
1356
1357 return TRUE;
1358 }
1359
1360 /*========================================================================
1361 * Process CodeView line number information.
1362 */
1363 static unsigned long codeview_get_address(const struct msc_debug_info* msc_dbg,
1364 unsigned seg, unsigned offset);
1365
1366 static void codeview_snarf_linetab(const struct msc_debug_info* msc_dbg, const BYTE* linetab,
1367 int size, BOOL pascal_str)
1368 {
1369 const BYTE* ptr = linetab;
1370 int nfile, nseg;
1371 int i, j;
1372 unsigned int k;
1373 const unsigned int* filetab;
1374 const unsigned int* lt_ptr;
1375 const unsigned short* linenos;
1376 const struct startend* start;
1377 unsigned source;
1378 unsigned long addr, func_addr0;
1379 struct symt_function* func;
1380 const struct codeview_linetab_block* ltb;
1381
1382 nfile = *(const short*)linetab;
1383 filetab = (const unsigned int*)(linetab + 2 * sizeof(short));
1384
1385 for (i = 0; i < nfile; i++)
1386 {
1387 ptr = linetab + filetab[i];
1388 nseg = *(const short*)ptr;
1389 lt_ptr = (const unsigned int*)(ptr + 2 * sizeof(short));
1390 start = (const struct startend*)(lt_ptr + nseg);
1391
1392 /*
1393 * Now snarf the filename for all of the segments for this file.
1394 */
1395 if (pascal_str)
1396 source = source_new(msc_dbg->module, NULL, terminate_string((const struct p_string*)(start + nseg)));
1397 else
1398 source = source_new(msc_dbg->module, NULL, (const char*)(start + nseg));
1399
1400 for (j = 0; j < nseg; j++)
1401 {
1402 ltb = (const struct codeview_linetab_block*)(linetab + *lt_ptr++);
1403 linenos = (const unsigned short*)&ltb->offsets[ltb->num_lines];
1404 func_addr0 = codeview_get_address(msc_dbg, ltb->seg, start[j].start);
1405 if (!func_addr0) continue;
1406 for (func = NULL, k = 0; k < ltb->num_lines; k++)
1407 {
1408 /* now locate function (if any) */
1409 addr = func_addr0 + ltb->offsets[k] - start[j].start;
1410 /* unfortunately, we can have several functions in the same block, if there's no
1411 * gap between them... find the new function if needed
1412 */
1413 if (!func || addr >= func->address + func->size)
1414 {
1415 func = (struct symt_function*)symt_find_nearest(msc_dbg->module, addr);
1416 /* FIXME: at least labels support line numbers */
1417 if (!func || func->symt.tag != SymTagFunction)
1418 {
1419 WARN("--not a func at %04x:%08x %lx tag=%d\n",
1420 ltb->seg, ltb->offsets[k], addr, func ? func->symt.tag : -1);
1421 func = NULL;
1422 break;
1423 }
1424 }
1425 symt_add_func_line(msc_dbg->module, func, source,
1426 linenos[k], addr - func->address);
1427 }
1428 }
1429 }
1430 }
1431
1432 static void codeview_snarf_linetab2(const struct msc_debug_info* msc_dbg, const BYTE* linetab, DWORD size,
1433 const char* strimage, DWORD strsize)
1434 {
1435 unsigned i;
1436 DWORD_PTR addr;
1437 const struct codeview_linetab2* lt2;
1438 const struct codeview_linetab2* lt2_files = NULL;
1439 const struct codeview_lt2blk_lines* lines_blk;
1440 const struct codeview_linetab2_file*fd;
1441 unsigned source;
1442 struct symt_function* func;
1443
1444 /* locate LT2_FILES_BLOCK (if any) */
1445 lt2 = (const struct codeview_linetab2*)linetab;
1446 while ((const BYTE*)(lt2 + 1) < linetab + size)
1447 {
1448 if (lt2->header == LT2_FILES_BLOCK)
1449 {
1450 lt2_files = lt2;
1451 break;
1452 }
1453 lt2 = codeview_linetab2_next_block(lt2);
1454 }
1455 if (!lt2_files)
1456 {
1457 TRACE("No LT2_FILES_BLOCK found\n");
1458 return;
1459 }
1460
1461 lt2 = (const struct codeview_linetab2*)linetab;
1462 while ((const BYTE*)(lt2 + 1) < linetab + size)
1463 {
1464 /* FIXME: should also check that whole lines_blk fits in linetab + size */
1465 switch (lt2->header)
1466 {
1467 case LT2_LINES_BLOCK:
1468 /* Skip blocks that are too small - Intel C Compiler generates these. */
1469 if (lt2->size_of_block < sizeof (struct codeview_lt2blk_lines)) break;
1470 lines_blk = (const struct codeview_lt2blk_lines*)lt2;
1471 /* FIXME: should check that file_offset is within the LT2_FILES_BLOCK we've seen */
1472 addr = codeview_get_address(msc_dbg, lines_blk->seg, lines_blk->start);
1473 TRACE("block from %04x:%08x #%x (%x lines)\n",
1474 lines_blk->seg, lines_blk->start, lines_blk->size, lines_blk->nlines);
1475 fd = (const struct codeview_linetab2_file*)((const char*)lt2_files + 8 + lines_blk->file_offset);
1476 /* FIXME: should check that string is within strimage + strsize */
1477 source = source_new(msc_dbg->module, NULL, strimage + fd->offset);
1478 func = (struct symt_function*)symt_find_nearest(msc_dbg->module, addr);
1479 /* FIXME: at least labels support line numbers */
1480 if (!func || func->symt.tag != SymTagFunction)
1481 {
1482 WARN("--not a func at %04x:%08x %lx tag=%d\n",
1483 lines_blk->seg, lines_blk->start, addr, func ? func->symt.tag : -1);
1484 break;
1485 }
1486 for (i = 0; i < lines_blk->nlines; i++)
1487 {
1488 symt_add_func_line(msc_dbg->module, func, source,
1489 lines_blk->l[i].lineno ^ 0x80000000,
1490 lines_blk->l[i].offset);
1491 }
1492 break;
1493 case LT2_FILES_BLOCK: /* skip */
1494 break;
1495 default:
1496 TRACE("Block end %x\n", lt2->header);
1497 lt2 = (const struct codeview_linetab2*)((const char*)linetab + size);
1498 continue;
1499 }
1500 lt2 = codeview_linetab2_next_block(lt2);
1501 }
1502 }
1503
1504 /*========================================================================
1505 * Process CodeView symbol information.
1506 */
1507
1508 static unsigned int codeview_map_offset(const struct msc_debug_info* msc_dbg,
1509 unsigned int offset)
1510 {
1511 int nomap = msc_dbg->nomap;
1512 const OMAP_DATA* omapp = msc_dbg->omapp;
1513 int i;
1514
1515 if (!nomap || !omapp) return offset;
1516
1517 /* FIXME: use binary search */
1518 for (i = 0; i < nomap - 1; i++)
1519 if (omapp[i].from <= offset && omapp[i+1].from > offset)
1520 return !omapp[i].to ? 0 : omapp[i].to + (offset - omapp[i].from);
1521
1522 return 0;
1523 }
1524
1525 static unsigned long codeview_get_address(const struct msc_debug_info* msc_dbg,
1526 unsigned seg, unsigned offset)
1527 {
1528 int nsect = msc_dbg->nsect;
1529 const IMAGE_SECTION_HEADER* sectp = msc_dbg->sectp;
1530
1531 if (!seg || seg > nsect) return 0;
1532 return msc_dbg->module->module.BaseOfImage +
1533 codeview_map_offset(msc_dbg, sectp[seg-1].VirtualAddress + offset);
1534 }
1535
1536 static inline void codeview_add_variable(const struct msc_debug_info* msc_dbg,
1537 struct symt_compiland* compiland,
1538 const char* name,
1539 unsigned segment, unsigned offset,
1540 unsigned symtype, BOOL is_local, BOOL in_tls, BOOL force)
1541 {
1542 if (name && *name)
1543 {
1544 struct location loc;
1545
1546 loc.kind = in_tls ? loc_tlsrel : loc_absolute;
1547 loc.reg = 0;
1548 loc.offset = in_tls ? offset : codeview_get_address(msc_dbg, segment, offset);
1549 if (force || in_tls || !symt_find_nearest(msc_dbg->module, loc.offset))
1550 {
1551 symt_new_global_variable(msc_dbg->module, compiland,
1552 name, is_local, loc, 0,
1553 codeview_get_type(symtype, FALSE));
1554 }
1555 }
1556 }
1557
1558 static BOOL codeview_snarf(const struct msc_debug_info* msc_dbg, const BYTE* root,
1559 int offset, int size, BOOL do_globals)
1560 {
1561 struct symt_function* curr_func = NULL;
1562 int i, length;
1563 struct symt_block* block = NULL;
1564 struct symt* symt;
1565 struct symt_compiland* compiland = NULL;
1566 struct location loc;
1567
1568 /*
1569 * Loop over the different types of records and whenever we
1570 * find something we are interested in, record it and move on.
1571 */
1572 for (i = offset; i < size; i += length)
1573 {
1574 const union codeview_symbol* sym = (const union codeview_symbol*)(root + i);
1575 length = sym->generic.len + 2;
1576 if (i + length > size) break;
1577 if (!sym->generic.id || length < 4) break;
1578 if (length & 3) FIXME("unpadded len %u\n", length);
1579
1580 switch (sym->generic.id)
1581 {
1582 /*
1583 * Global and local data symbols. We don't associate these
1584 * with any given source file.
1585 */
1586 case S_GDATA_V1:
1587 case S_LDATA_V1:
1588 if (do_globals)
1589 codeview_add_variable(msc_dbg, compiland, terminate_string(&sym->data_v1.p_name),
1590 sym->data_v1.segment, sym->data_v1.offset, sym->data_v1.symtype,
1591 sym->generic.id == S_LDATA_V1, FALSE, TRUE);
1592 break;
1593 case S_GDATA_V2:
1594 case S_LDATA_V2:
1595 if (do_globals)
1596 codeview_add_variable(msc_dbg, compiland, terminate_string(&sym->data_v2.p_name),
1597 sym->data_v2.segment, sym->data_v2.offset, sym->data_v2.symtype,
1598 sym->generic.id == S_LDATA_V2, FALSE, TRUE);
1599 break;
1600 case S_GDATA_V3:
1601 case S_LDATA_V3:
1602 if (do_globals)
1603 codeview_add_variable(msc_dbg, compiland, sym->data_v3.name,
1604 sym->data_v3.segment, sym->data_v3.offset, sym->data_v3.symtype,
1605 sym->generic.id == S_LDATA_V3, FALSE, TRUE);
1606 break;
1607
1608 /* variables with thread storage */
1609 case S_GTHREAD_V1:
1610 case S_LTHREAD_V1:
1611 if (do_globals)
1612 codeview_add_variable(msc_dbg, compiland, terminate_string(&sym->thread_v1.p_name),
1613 sym->thread_v1.segment, sym->thread_v1.offset, sym->thread_v1.symtype,
1614 sym->generic.id == S_LTHREAD_V1, TRUE, TRUE);
1615 break;
1616 case S_GTHREAD_V2:
1617 case S_LTHREAD_V2:
1618 if (do_globals)
1619 codeview_add_variable(msc_dbg, compiland, terminate_string(&sym->thread_v2.p_name),
1620 sym->thread_v2.segment, sym->thread_v2.offset, sym->thread_v2.symtype,
1621 sym->generic.id == S_LTHREAD_V2, TRUE, TRUE);
1622 break;
1623 case S_GTHREAD_V3:
1624 case S_LTHREAD_V3:
1625 if (do_globals)
1626 codeview_add_variable(msc_dbg, compiland, sym->thread_v3.name,
1627 sym->thread_v3.segment, sym->thread_v3.offset, sym->thread_v3.symtype,
1628 sym->generic.id == S_LTHREAD_V3, TRUE, TRUE);
1629 break;
1630
1631 /* Public symbols */
1632 case S_PUB_V1:
1633 case S_PUB_V2:
1634 case S_PUB_V3:
1635 case S_PUB_FUNC1_V3:
1636 case S_PUB_FUNC2_V3:
1637 /* will be handled later on in codeview_snarf_public */
1638 break;
1639
1640 /*
1641 * Sort of like a global function, but it just points
1642 * to a thunk, which is a stupid name for what amounts to
1643 * a PLT slot in the normal jargon that everyone else uses.
1644 */
1645 case S_THUNK_V1:
1646 symt_new_thunk(msc_dbg->module, compiland,
1647 terminate_string(&sym->thunk_v1.p_name), sym->thunk_v1.thtype,
1648 codeview_get_address(msc_dbg, sym->thunk_v1.segment, sym->thunk_v1.offset),
1649 sym->thunk_v1.thunk_len);
1650 break;
1651 case S_THUNK_V3:
1652 symt_new_thunk(msc_dbg->module, compiland,
1653 sym->thunk_v3.name, sym->thunk_v3.thtype,
1654 codeview_get_address(msc_dbg, sym->thunk_v3.segment, sym->thunk_v3.offset),
1655 sym->thunk_v3.thunk_len);
1656 break;
1657
1658 /*
1659 * Global and static functions.
1660 */
1661 case S_GPROC_V1:
1662 case S_LPROC_V1:
1663 if (curr_func) FIXME("nested function\n");
1664 curr_func = symt_new_function(msc_dbg->module, compiland,
1665 terminate_string(&sym->proc_v1.p_name),
1666 codeview_get_address(msc_dbg, sym->proc_v1.segment, sym->proc_v1.offset),
1667 sym->proc_v1.proc_len,
1668 codeview_get_type(sym->proc_v1.proctype, FALSE));
1669 loc.kind = loc_absolute;
1670 loc.offset = sym->proc_v1.debug_start;
1671 symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugStart, &loc, NULL);
1672 loc.offset = sym->proc_v1.debug_end;
1673 symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugEnd, &loc, NULL);
1674 break;
1675 case S_GPROC_V2:
1676 case S_LPROC_V2:
1677 if (curr_func) FIXME("nested function\n");
1678 curr_func = symt_new_function(msc_dbg->module, compiland,
1679 terminate_string(&sym->proc_v2.p_name),
1680 codeview_get_address(msc_dbg, sym->proc_v2.segment, sym->proc_v2.offset),
1681 sym->proc_v2.proc_len,
1682 codeview_get_type(sym->proc_v2.proctype, FALSE));
1683 loc.kind = loc_absolute;
1684 loc.offset = sym->proc_v2.debug_start;
1685 symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugStart, &loc, NULL);
1686 loc.offset = sym->proc_v2.debug_end;
1687 symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugEnd, &loc, NULL);
1688 break;
1689 case S_GPROC_V3:
1690 case S_LPROC_V3:
1691 if (curr_func) FIXME("nested function\n");
1692 curr_func = symt_new_function(msc_dbg->module, compiland,
1693 sym->proc_v3.name,
1694 codeview_get_address(msc_dbg, sym->proc_v3.segment, sym->proc_v3.offset),
1695 sym->proc_v3.proc_len,
1696 codeview_get_type(sym->proc_v3.proctype, FALSE));
1697 loc.kind = loc_absolute;
1698 loc.offset = sym->proc_v3.debug_start;
1699 symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugStart, &loc, NULL);
1700 loc.offset = sym->proc_v3.debug_end;
1701 symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugEnd, &loc, NULL);
1702 break;
1703 /*
1704 * Function parameters and stack variables.
1705 */
1706 case S_BPREL_V1:
1707 loc.kind = loc_regrel;
1708 /* Yes, it's i386 dependent, but that's the symbol purpose. S_REGREL is used on other CPUs */
1709 loc.reg = CV_REG_EBP;
1710 loc.offset = sym->stack_v1.offset;
1711 symt_add_func_local(msc_dbg->module, curr_func,
1712 sym->stack_v1.offset > 0 ? DataIsParam : DataIsLocal,
1713 &loc, block,
1714 codeview_get_type(sym->stack_v1.symtype, FALSE),
1715 terminate_string(&sym->stack_v1.p_name));
1716 break;
1717 case S_BPREL_V2:
1718 loc.kind = loc_regrel;
1719 /* Yes, it's i386 dependent, but that's the symbol purpose. S_REGREL is used on other CPUs */
1720 loc.reg = CV_REG_EBP;
1721 loc.offset = sym->stack_v2.offset;
1722 symt_add_func_local(msc_dbg->module, curr_func,
1723 sym->stack_v2.offset > 0 ? DataIsParam : DataIsLocal,
1724 &loc, block,
1725 codeview_get_type(sym->stack_v2.symtype, FALSE),
1726 terminate_string(&sym->stack_v2.p_name));
1727 break;
1728 case S_BPREL_V3:
1729 loc.kind = loc_regrel;
1730 /* Yes, it's i386 dependent, but that's the symbol purpose. S_REGREL is used on other CPUs */
1731 loc.reg = CV_REG_EBP;
1732 loc.offset = sym->stack_v3.offset;
1733 symt_add_func_local(msc_dbg->module, curr_func,
1734 sym->stack_v3.offset > 0 ? DataIsParam : DataIsLocal,
1735 &loc, block,
1736 codeview_get_type(sym->stack_v3.symtype, FALSE),
1737 sym->stack_v3.name);
1738 break;
1739 case S_REGREL_V3:
1740 loc.kind = loc_regrel;
1741 loc.reg = sym->regrel_v3.reg;
1742 loc.offset = sym->regrel_v3.offset;
1743 symt_add_func_local(msc_dbg->module, curr_func,
1744 /* FIXME this is wrong !!! */
1745 sym->regrel_v3.offset > 0 ? DataIsParam : DataIsLocal,
1746 &loc, block,
1747 codeview_get_type(sym->regrel_v3.symtype, FALSE),
1748 sym->regrel_v3.name);
1749 break;
1750
1751 case S_REGISTER_V1:
1752 loc.kind = loc_register;
1753 loc.reg = sym->register_v1.reg;
1754 loc.offset = 0;
1755 symt_add_func_local(msc_dbg->module, curr_func,
1756 DataIsLocal, &loc,
1757 block, codeview_get_type(sym->register_v1.type, FALSE),
1758 terminate_string(&sym->register_v1.p_name));
1759 break;
1760 case S_REGISTER_V2:
1761 loc.kind = loc_register;
1762 loc.reg = sym->register_v2.reg;
1763 loc.offset = 0;
1764 symt_add_func_local(msc_dbg->module, curr_func,
1765 DataIsLocal, &loc,
1766 block, codeview_get_type(sym->register_v2.type, FALSE),
1767 terminate_string(&sym->register_v2.p_name));
1768 break;
1769 case S_REGISTER_V3:
1770 loc.kind = loc_register;
1771 loc.reg = sym->register_v3.reg;
1772 loc.offset = 0;
1773 symt_add_func_local(msc_dbg->module, curr_func,
1774 DataIsLocal, &loc,
1775 block, codeview_get_type(sym->register_v3.type, FALSE),
1776 sym->register_v3.name);
1777 break;
1778
1779 case S_BLOCK_V1:
1780 block = symt_open_func_block(msc_dbg->module, curr_func, block,
1781 codeview_get_address(msc_dbg, sym->block_v1.segment, sym->block_v1.offset),
1782 sym->block_v1.length);
1783 break;
1784 case S_BLOCK_V3:
1785 block = symt_open_func_block(msc_dbg->module, curr_func, block,
1786 codeview_get_address(msc_dbg, sym->block_v3.segment, sym->block_v3.offset),
1787 sym->block_v3.length);
1788 break;
1789
1790 case S_END_V1:
1791 if (block)
1792 {
1793 block = symt_close_func_block(msc_dbg->module, curr_func, block, 0);
1794 }
1795 else if (curr_func)
1796 {
1797 symt_normalize_function(msc_dbg->module, curr_func);
1798 curr_func = NULL;
1799 }
1800 break;
1801
1802 case S_COMPILAND_V1:
1803 TRACE("S-Compiland-V1 %x %s\n",
1804 sym->compiland_v1.unknown, terminate_string(&sym->compiland_v1.p_name));
1805 break;
1806
1807 case S_COMPILAND_V2:
1808 TRACE("S-Compiland-V2 %s\n", terminate_string(&sym->compiland_v2.p_name));
1809 if (TRACE_ON(dbghelp_msc))
1810 {
1811 const char* ptr1 = sym->compiland_v2.p_name.name + sym->compiland_v2.p_name.namelen;
1812 const char* ptr2;
1813 while (*ptr1)
1814 {
1815 ptr2 = ptr1 + strlen(ptr1) + 1;
1816 TRACE("\t%s => %s\n", ptr1, debugstr_a(ptr2));
1817 ptr1 = ptr2 + strlen(ptr2) + 1;
1818 }
1819 }
1820 break;
1821 case S_COMPILAND_V3:
1822 TRACE("S-Compiland-V3 %s\n", sym->compiland_v3.name);
1823 if (TRACE_ON(dbghelp_msc))
1824 {
1825 const char* ptr1 = sym->compiland_v3.name + strlen(sym->compiland_v3.name);
1826 const char* ptr2;
1827 while (*ptr1)
1828 {
1829 ptr2 = ptr1 + strlen(ptr1) + 1;
1830 TRACE("\t%s => %s\n", ptr1, debugstr_a(ptr2));
1831 ptr1 = ptr2 + strlen(ptr2) + 1;
1832 }
1833 }
1834 break;
1835
1836 case S_OBJNAME_V1:
1837 TRACE("S-ObjName %s\n", terminate_string(&sym->objname_v1.p_name));
1838 compiland = symt_new_compiland(msc_dbg->module, 0 /* FIXME */,
1839 source_new(msc_dbg->module, NULL,
1840 terminate_string(&sym->objname_v1.p_name)));
1841 break;
1842
1843 case S_LABEL_V1:
1844 if (curr_func)
1845 {
1846 loc.kind = loc_absolute;
1847 loc.offset = codeview_get_address(msc_dbg, sym->label_v1.segment, sym->label_v1.offset) - curr_func->address;
1848 symt_add_function_point(msc_dbg->module, curr_func, SymTagLabel, &loc,
1849 terminate_string(&sym->label_v1.p_name));
1850 }
1851 else symt_new_label(msc_dbg->module, compiland,
1852 terminate_string(&sym->label_v1.p_name),
1853 codeview_get_address(msc_dbg, sym->label_v1.segment, sym->label_v1.offset));
1854 break;
1855 case S_LABEL_V3:
1856 if (curr_func)
1857 {
1858 loc.kind = loc_absolute;
1859 loc.offset = codeview_get_address(msc_dbg, sym->label_v3.segment, sym->label_v3.offset) - curr_func->address;
1860 symt_add_function_point(msc_dbg->module, curr_func, SymTagLabel,
1861 &loc, sym->label_v3.name);
1862 }
1863 else symt_new_label(msc_dbg->module, compiland, sym->label_v3.name,
1864 codeview_get_address(msc_dbg, sym->label_v3.segment, sym->label_v3.offset));
1865 break;
1866
1867 case S_CONSTANT_V1:
1868 {
1869 int vlen;
1870 const struct p_string* name;
1871 struct symt* se;
1872 VARIANT v;
1873
1874 vlen = leaf_as_variant(&v, &sym->constant_v1.cvalue);
1875 name = (const struct p_string*)((const char*)&sym->constant_v1.cvalue + vlen);
1876 se = codeview_get_type(sym->constant_v1.type, FALSE);
1877
1878 TRACE("S-Constant-V1 %u %s %x\n",
1879 v.n1.n2.n3.intVal, terminate_string(name), sym->constant_v1.type);
1880 symt_new_constant(msc_dbg->module, compiland, terminate_string(name),
1881 se, &v);
1882 }
1883 break;
1884 case S_CONSTANT_V2:
1885 {
1886 int vlen;
1887 const struct p_string* name;
1888 struct symt* se;
1889 VARIANT v;
1890
1891 vlen = leaf_as_variant(&v, &sym->constant_v2.cvalue);
1892 name = (const struct p_string*)((const char*)&sym->constant_v2.cvalue + vlen);
1893 se = codeview_get_type(sym->constant_v2.type, FALSE);
1894
1895 TRACE("S-Constant-V2 %u %s %x\n",
1896 v.n1.n2.n3.intVal, terminate_string(name), sym->constant_v2.type);
1897 symt_new_constant(msc_dbg->module, compiland, terminate_string(name),
1898 se, &v);
1899 }
1900 break;
1901 case S_CONSTANT_V3:
1902 {
1903 int vlen;
1904 const char* name;
1905 struct symt* se;
1906 VARIANT v;
1907
1908 vlen = leaf_as_variant(&v, &sym->constant_v3.cvalue);
1909 name = (const char*)&sym->constant_v3.cvalue + vlen;
1910 se = codeview_get_type(sym->constant_v3.type, FALSE);
1911
1912 TRACE("S-Constant-V3 %u %s %x\n",
1913 v.n1.n2.n3.intVal, name, sym->constant_v3.type);
1914 /* FIXME: we should add this as a constant value */
1915 symt_new_constant(msc_dbg->module, compiland, name, se, &v);
1916 }
1917 break;
1918
1919 case S_UDT_V1:
1920 if (sym->udt_v1.type)
1921 {
1922 if ((symt = codeview_get_type(sym->udt_v1.type, FALSE)))
1923 symt_new_typedef(msc_dbg->module, symt,
1924 terminate_string(&sym->udt_v1.p_name));
1925 else
1926 FIXME("S-Udt %s: couldn't find type 0x%x\n",
1927 terminate_string(&sym->udt_v1.p_name), sym->udt_v1.type);
1928 }
1929 break;
1930 case S_UDT_V2:
1931 if (sym->udt_v2.type)
1932 {
1933 if ((symt = codeview_get_type(sym->udt_v2.type, FALSE)))
1934 symt_new_typedef(msc_dbg->module, symt,
1935 terminate_string(&sym->udt_v2.p_name));
1936 else
1937 FIXME("S-Udt %s: couldn't find type 0x%x\n",
1938 terminate_string(&sym->udt_v2.p_name), sym->udt_v2.type);
1939 }
1940 break;
1941 case S_UDT_V3:
1942 if (sym->udt_v3.type)
1943 {
1944 if ((symt = codeview_get_type(sym->udt_v3.type, FALSE)))
1945 symt_new_typedef(msc_dbg->module, symt, sym->udt_v3.name);
1946 else
1947 FIXME("S-Udt %s: couldn't find type 0x%x\n",
1948 sym->udt_v3.name, sym->udt_v3.type);
1949 }
1950 break;
1951
1952 /*
1953 * These are special, in that they are always followed by an
1954 * additional length-prefixed string which is *not* included
1955 * into the symbol length count. We need to skip it.
1956 */
1957 case S_PROCREF_V1:
1958 case S_DATAREF_V1:
1959 case S_LPROCREF_V1:
1960 {
1961 const char* name;
1962
1963 name = (const char*)sym + length;
1964 length += (*name + 1 + 3) & ~3;
1965 break;
1966 }
1967
1968 case S_MSTOOL_V3: /* just to silence a few warnings */
1969 case S_MSTOOLINFO_V3:
1970 case S_MSTOOLENV_V3:
1971 break;
1972
1973 case S_SSEARCH_V1:
1974 TRACE("Start search: seg=0x%x at offset 0x%08x\n",
1975 sym->ssearch_v1.segment, sym->ssearch_v1.offset);
1976 break;
1977
1978 case S_ALIGN_V1:
1979 TRACE("S-Align V1\n");
1980 break;
1981
1982 /* the symbols we can safely ignore for now */
1983 case 0x112c:
1984 case S_FRAMEINFO_V2:
1985 case S_SECUCOOKIE_V3:
1986 case S_SECTINFO_V3:
1987 case S_SUBSECTINFO_V3:
1988 case S_ENTRYPOINT_V3:
1989 case 0x113e:
1990 case 0x1139:
1991 case 0x1141:
1992 case 0x1142:
1993 case 0x1143:
1994 case 0x1144:
1995 TRACE("Unsupported symbol id %x\n", sym->generic.id);
1996 break;
1997
1998 default:
1999 FIXME("Unsupported symbol id %x\n", sym->generic.id);
2000 dump(sym, 2 + sym->generic.len);
2001 break;
2002 }
2003 }
2004
2005 if (curr_func) symt_normalize_function(msc_dbg->module, curr_func);
2006
2007 return TRUE;
2008 }
2009
2010 static BOOL codeview_snarf_public(const struct msc_debug_info* msc_dbg, const BYTE* root,
2011 int offset, int size)
2012
2013 {
2014 int i, length;
2015 struct symt_compiland* compiland = NULL;
2016
2017 /*
2018 * Loop over the different types of records and whenever we
2019 * find something we are interested in, record it and move on.
2020 */
2021 for (i = offset; i < size; i += length)
2022 {
2023 const union codeview_symbol* sym = (const union codeview_symbol*)(root + i);
2024 length = sym->generic.len + 2;
2025 if (i + length > size) break;
2026 if (!sym->generic.id || length < 4) break;
2027 if (length & 3) FIXME("unpadded len %u\n", length);
2028
2029 switch (sym->generic.id)
2030 {
2031 case S_PUB_V1: /* FIXME is this really a 'data_v1' structure ?? */
2032 if (!(dbghelp_options & SYMOPT_NO_PUBLICS))
2033 {
2034 symt_new_public(msc_dbg->module, compiland,
2035 terminate_string(&sym->data_v1.p_name),
2036 codeview_get_address(msc_dbg, sym->data_v1.segment, sym->data_v1.offset), 1);
2037 }
2038 break;
2039 case S_PUB_V2: /* FIXME is this really a 'data_v2' structure ?? */
2040 if (!(dbghelp_options & SYMOPT_NO_PUBLICS))
2041 {
2042 symt_new_public(msc_dbg->module, compiland,
2043 terminate_string(&sym->data_v2.p_name),
2044 codeview_get_address(msc_dbg, sym->data_v2.segment, sym->data_v2.offset), 1);
2045 }
2046 break;
2047
2048 case S_PUB_V3:
2049 if (!(dbghelp_options & SYMOPT_NO_PUBLICS))
2050 {
2051 symt_new_public(msc_dbg->module, compiland,
2052 sym->data_v3.name,
2053 codeview_get_address(msc_dbg, sym->data_v3.segment, sym->data_v3.offset), 1);
2054 }
2055 break;
2056 case S_PUB_FUNC1_V3:
2057 case S_PUB_FUNC2_V3: /* using a data_v3 isn't what we'd expect */
2058 #if 0
2059 /* FIXME: this is plain wrong (from a simple test) */
2060 if (!(dbghelp_options & SYMOPT_NO_PUBLICS))
2061 {
2062 symt_new_public(msc_dbg->module, compiland,
2063 sym->data_v3.name,
2064 codeview_get_address(msc_dbg, sym->data_v3.segment, sym->data_v3.offset), 1);
2065 }
2066 #endif
2067 break;
2068 /*
2069 * Global and local data symbols. We don't associate these
2070 * with any given source file.
2071 */
2072 case S_GDATA_V1:
2073 case S_LDATA_V1:
2074 codeview_add_variable(msc_dbg, compiland, terminate_string(&sym->data_v1.p_name),
2075 sym->data_v1.segment, sym->data_v1.offset, sym->data_v1.symtype,
2076 sym->generic.id == S_LDATA_V1, FALSE, FALSE);
2077 break;
2078 case S_GDATA_V2:
2079 case S_LDATA_V2:
2080 codeview_add_variable(msc_dbg, compiland, terminate_string(&sym->data_v2.p_name),
2081 sym->data_v2.segment, sym->data_v2.offset, sym->data_v2.symtype,
2082 sym->generic.id == S_LDATA_V2, FALSE, FALSE);
2083 break;
2084 case S_GDATA_V3:
2085 case S_LDATA_V3:
2086 codeview_add_variable(msc_dbg, compiland, sym->data_v3.name,
2087 sym->data_v3.segment, sym->data_v3.offset, sym->data_v3.symtype,
2088 sym->generic.id == S_LDATA_V3, FALSE, FALSE);
2089 break;
2090
2091 /* variables with thread storage */
2092 case S_GTHREAD_V1:
2093 case S_LTHREAD_V1:
2094 codeview_add_variable(msc_dbg, compiland, terminate_string(&sym->thread_v1.p_name),
2095 sym->thread_v1.segment, sym->thread_v1.offset, sym->thread_v1.symtype,
2096 sym->generic.id == S_LTHREAD_V1, TRUE, FALSE);
2097 break;
2098 case S_GTHREAD_V2:
2099 case S_LTHREAD_V2:
2100 codeview_add_variable(msc_dbg, compiland, terminate_string(&sym->thread_v2.p_name),
2101 sym->thread_v2.segment, sym->thread_v2.offset, sym->thread_v2.symtype,
2102 sym->generic.id == S_LTHREAD_V2, TRUE, FALSE);
2103 break;
2104 case S_GTHREAD_V3:
2105 case S_LTHREAD_V3:
2106 codeview_add_variable(msc_dbg, compiland, sym->thread_v3.name,
2107 sym->thread_v3.segment, sym->thread_v3.offset, sym->thread_v3.symtype,
2108 sym->generic.id == S_LTHREAD_V3, TRUE, FALSE);
2109 break;
2110
2111 /*
2112 * These are special, in that they are always followed by an
2113 * additional length-prefixed string which is *not* included
2114 * into the symbol length count. We need to skip it.
2115 */
2116 case S_PROCREF_V1:
2117 case S_DATAREF_V1:
2118 case S_LPROCREF_V1:
2119 length += (((const char*)sym)[length] + 1 + 3) & ~3;
2120 break;
2121 }
2122 msc_dbg->module->sortlist_valid = TRUE;
2123 }
2124 msc_dbg->module->sortlist_valid = FALSE;
2125 return TRUE;
2126 }
2127
2128 /*========================================================================
2129 * Process PDB file.
2130 */
2131
2132 static void* pdb_jg_read(const struct PDB_JG_HEADER* pdb, const WORD* block_list,
2133 int size)
2134 {
2135 int i, num_blocks;
2136 BYTE* buffer;
2137
2138 if (!size) return NULL;
2139
2140 num_blocks = (size + pdb->block_size - 1) / pdb->block_size;
2141 buffer = HeapAlloc(GetProcessHeap(), 0, num_blocks * pdb->block_size);
2142
2143 for (i = 0; i < num_blocks; i++)
2144 memcpy(buffer + i * pdb->block_size,
2145 (const char*)pdb + block_list[i] * pdb->block_size, pdb->block_size);
2146
2147 return buffer;
2148 }
2149
2150 static void* pdb_ds_read(const struct PDB_DS_HEADER* pdb, const DWORD* block_list,
2151 int size)
2152 {
2153 int i, num_blocks;
2154 BYTE* buffer;
2155
2156 if (!size) return NULL;
2157
2158 num_blocks = (size + pdb->block_size - 1) / pdb->block_size;
2159 buffer = HeapAlloc(GetProcessHeap(), 0, num_blocks * pdb->block_size);
2160
2161 for (i = 0; i < num_blocks; i++)
2162 memcpy(buffer + i * pdb->block_size,
2163 (const char*)pdb + block_list[i] * pdb->block_size, pdb->block_size);
2164
2165 return buffer;
2166 }
2167
2168 static void* pdb_read_jg_file(const struct PDB_JG_HEADER* pdb,
2169 const struct PDB_JG_TOC* toc, DWORD file_nr)
2170 {
2171 const WORD* block_list;
2172 DWORD i;
2173
2174 if (!toc || file_nr >= toc->num_files) return NULL;
2175
2176 block_list = (const WORD*) &toc->file[toc->num_files];
2177 for (i = 0; i < file_nr; i++)
2178 block_list += (toc->file[i].size + pdb->block_size - 1) / pdb->block_size;
2179
2180 return pdb_jg_read(pdb, block_list, toc->file[file_nr].size);
2181 }
2182
2183 static void* pdb_read_ds_file(const struct PDB_DS_HEADER* pdb,
2184 const struct PDB_DS_TOC* toc, DWORD file_nr)
2185 {
2186 const DWORD* block_list;
2187 DWORD i;
2188
2189 if (!toc || file_nr >= toc->num_files) return NULL;
2190 if (toc->file_size[file_nr] == 0 || toc->file_size[file_nr] == 0xFFFFFFFF) return NULL;
2191
2192 block_list = &toc->file_size[toc->num_files];
2193 for (i = 0; i < file_nr; i++)
2194 block_list += (toc->file_size[i] + pdb->block_size - 1) / pdb->block_size;
2195
2196 return pdb_ds_read(pdb, block_list, toc->file_size[file_nr]);
2197 }
2198
2199 static void* pdb_read_file(const struct pdb_file_info* pdb_file,
2200 DWORD file_nr)
2201 {
2202 switch (pdb_file->kind)
2203 {
2204 case PDB_JG:
2205 return pdb_read_jg_file((const struct PDB_JG_HEADER*)pdb_file->image,
2206 pdb_file->u.jg.toc, file_nr);
2207 case PDB_DS:
2208 return pdb_read_ds_file((const struct PDB_DS_HEADER*)pdb_file->image,
2209 pdb_file->u.ds.toc, file_nr);
2210 }
2211 return NULL;
2212 }
2213
2214 static unsigned pdb_get_file_size(const struct pdb_file_info* pdb_file, DWORD file_nr)
2215 {
2216 switch (pdb_file->kind)
2217 {
2218 case PDB_JG: return pdb_file->u.jg.toc->file[file_nr].size;
2219 case PDB_DS: return pdb_file->u.ds.toc->file_size[file_nr];
2220 }
2221 return 0;
2222 }
2223
2224 static void pdb_free(void* buffer)
2225 {
2226 HeapFree(GetProcessHeap(), 0, buffer);
2227 }
2228
2229 static void pdb_free_file(struct pdb_file_info* pdb_file)
2230 {
2231 switch (pdb_file->kind)
2232 {
2233 case PDB_JG:
2234 pdb_free(pdb_file->u.jg.toc);
2235 pdb_file->u.jg.toc = NULL;
2236 break;
2237 case PDB_DS:
2238 pdb_free(pdb_file->u.ds.toc);
2239 pdb_file->u.ds.toc = NULL;
2240 break;
2241 }
2242 HeapFree(GetProcessHeap(), 0, pdb_file->stream_dict);
2243 }
2244
2245 static void pdb_load_stream_name_table(struct pdb_file_info* pdb_file, const char* str, unsigned cb)
2246 {
2247 DWORD* pdw;
2248 DWORD* ok_bits;
2249 DWORD count, numok;
2250 unsigned i, j;
2251 char* cpstr;
2252
2253 pdw = (DWORD*)(str + cb);
2254 numok = *pdw++;
2255 count = *pdw++;
2256
2257 pdb_file->stream_dict = HeapAlloc(GetProcessHeap(), 0, (numok + 1) * sizeof(struct pdb_stream_name) + cb);
2258 if (!pdb_file->stream_dict) return;
2259 cpstr = (char*)(pdb_file->stream_dict + numok + 1);
2260 memcpy(cpstr, str, cb);
2261
2262 /* bitfield: first dword is len (in dword), then data */
2263 ok_bits = pdw;
2264 pdw += *ok_bits++ + 1;
2265 if (*pdw++ != 0)
2266 {
2267 FIXME("unexpected value\n");
2268 return;
2269 }
2270
2271 for (i = j = 0; i < count; i++)
2272 {
2273 if (ok_bits[i / 32] & (1 << (i % 32)))
2274 {
2275 if (j >= numok) break;
2276 pdb_file->stream_dict[j].name = &cpstr[*pdw++];
2277 pdb_file->stream_dict[j].index = *pdw++;
2278 j++;
2279 }
2280 }
2281 /* add sentinel */
2282 pdb_file->stream_dict[numok].name = NULL;
2283 pdb_file->fpoext_stream = -1;
2284 }
2285
2286 static unsigned pdb_get_stream_by_name(const struct pdb_file_info* pdb_file, const char* name)
2287 {
2288 struct pdb_stream_name* psn;
2289
2290 for (psn = pdb_file->stream_dict; psn && psn->name; psn++)
2291 {
2292 if (!strcmp(psn->name, name)) return psn->index;
2293 }
2294 return -1;
2295 }
2296
2297 static void* pdb_read_strings(const struct pdb_file_info* pdb_file)
2298 {
2299 unsigned idx;
2300 void *ret;
2301
2302 idx = pdb_get_stream_by_name(pdb_file, "/names");
2303 if (idx != -1)
2304 {
2305 ret = pdb_read_file( pdb_file, idx );
2306 if (ret && *(const DWORD *)ret == 0xeffeeffe) return ret;
2307 pdb_free( ret );
2308 }
2309 WARN("string table not found\n");
2310 return NULL;
2311 }
2312
2313 static void pdb_module_remove(struct process* pcsn, struct module_format* modfmt)
2314 {
2315 unsigned i;
2316
2317 for (i = 0; i < modfmt->u.pdb_info->used_subfiles; i++)
2318 {
2319 pdb_free_file(&modfmt->u.pdb_info->pdb_files[i]);
2320 if (modfmt->u.pdb_info->pdb_files[i].image)
2321 UnmapViewOfFile(modfmt->u.pdb_info->pdb_files[i].image);
2322 if (modfmt->u.pdb_info->pdb_files[i].hMap)
2323 CloseHandle(modfmt->u.pdb_info->pdb_files[i].hMap);
2324 }
2325 HeapFree(GetProcessHeap(), 0, modfmt);
2326 }
2327
2328 static void pdb_convert_types_header(PDB_TYPES* types, const BYTE* image)
2329 {
2330 memset(types, 0, sizeof(PDB_TYPES));
2331 if (!image) return;
2332
2333 if (*(const DWORD*)image < 19960000) /* FIXME: correct version? */
2334 {
2335 /* Old version of the types record header */
2336 const PDB_TYPES_OLD* old = (const PDB_TYPES_OLD*)image;
2337 types->version = old->version;
2338 types->type_offset = sizeof(PDB_TYPES_OLD);
2339 types->type_size = old->type_size;
2340 types->first_index = old->first_index;
2341 types->last_index = old->last_index;
2342 types->file = old->file;
2343 }
2344 else
2345 {
2346 /* New version of the types record header */
2347 *types = *(const PDB_TYPES*)image;
2348 }
2349 }
2350
2351 static void pdb_convert_symbols_header(PDB_SYMBOLS* symbols,
2352 int* header_size, const BYTE* image)
2353 {
2354 memset(symbols, 0, sizeof(PDB_SYMBOLS));
2355 if (!image) return;
2356
2357 if (*(const DWORD*)image != 0xffffffff)
2358 {
2359 /* Old version of the symbols record header */
2360 const PDB_SYMBOLS_OLD* old = (const PDB_SYMBOLS_OLD*)image;
2361 symbols->version = 0;
2362 symbols->module_size = old->module_size;
2363 symbols->offset_size = old->offset_size;
2364 symbols->hash_size = old->hash_size;
2365 symbols->srcmodule_size = old->srcmodule_size;
2366 symbols->pdbimport_size = 0;
2367 symbols->hash1_file = old->hash1_file;
2368 symbols->hash2_file = old->hash2_file;
2369 symbols->gsym_file = old->gsym_file;
2370
2371 *header_size = sizeof(PDB_SYMBOLS_OLD);
2372 }
2373 else
2374 {
2375 /* New version of the symbols record header */
2376 *symbols = *(const PDB_SYMBOLS*)image;
2377 *header_size = sizeof(PDB_SYMBOLS);
2378 }
2379 }
2380
2381 static void pdb_convert_symbol_file(const PDB_SYMBOLS* symbols,
2382 PDB_SYMBOL_FILE_EX* sfile,
2383 unsigned* size, const void* image)
2384
2385 {
2386 if (symbols->version < 19970000)
2387 {
2388 const PDB_SYMBOL_FILE *sym_file = image;
2389 memset(sfile, 0, sizeof(*sfile));
2390 sfile->file = sym_file->file;
2391 sfile->range.index = sym_file->range.index;
2392 sfile->symbol_size = sym_file->symbol_size;
2393 sfile->lineno_size = sym_file->lineno_size;
2394 *size = sizeof(PDB_SYMBOL_FILE) - 1;
2395 }
2396 else
2397 {
2398 memcpy(sfile, image, sizeof(PDB_SYMBOL_FILE_EX));
2399 *size = sizeof(PDB_SYMBOL_FILE_EX) - 1;
2400 }
2401 }
2402
2403 static HANDLE map_pdb_file(const struct process* pcs,
2404 const struct pdb_lookup* lookup,
2405 struct module* module)
2406 {
2407 HANDLE hFile, hMap = NULL;
2408 char dbg_file_path[MAX_PATH];
2409 BOOL ret = FALSE;
2410
2411 switch (lookup->kind)
2412 {
2413 case PDB_JG:
2414 ret = path_find_symbol_file(pcs, lookup->filename, NULL, lookup->timestamp,
2415 lookup->age, dbg_file_path, &module->module.PdbUnmatched);
2416 break;
2417 case PDB_DS:
2418 ret = path_find_symbol_file(pcs, lookup->filename, &lookup->guid, 0,
2419 lookup->age, dbg_file_path, &module->module.PdbUnmatched);
2420 break;
2421 }
2422 if (!ret)
2423 {
2424 WARN("\tCouldn't find %s\n", lookup->filename);
2425 return NULL;
2426 }
2427 if ((hFile = CreateFileA(dbg_file_path, GENERIC_READ, FILE_SHARE_READ, NULL,
2428 OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL)) != INVALID_HANDLE_VALUE)
2429 {
2430 hMap = CreateFileMappingW(hFile, NULL, PAGE_READONLY, 0, 0, NULL);
2431 CloseHandle(hFile);
2432 }
2433 return hMap;
2434 }
2435
2436 static void pdb_process_types(const struct msc_debug_info* msc_dbg,
2437 const struct pdb_file_info* pdb_file)
2438 {
2439 BYTE* types_image = NULL;
2440
2441 types_image = pdb_read_file(pdb_file, 2);
2442 if (types_image)
2443 {
2444 PDB_TYPES types;
2445 struct codeview_type_parse ctp;
2446 DWORD total;
2447 const BYTE* ptr;
2448 DWORD* offset;
2449
2450 pdb_convert_types_header(&types, types_image);
2451
2452 /* Check for unknown versions */
2453 switch (types.version)
2454 {
2455 case 19950410: /* VC 4.0 */
2456 case 19951122:
2457 case 19961031: /* VC 5.0 / 6.0 */
2458 case 19990903: /* VC 7.0 */
2459 case 20040203: /* VC 8.0 */
2460 break;
2461 default:
2462 ERR("-Unknown type info version %d\n", types.version);
2463 }
2464
2465 ctp.module = msc_dbg->module;
2466 /* reconstruct the types offset...
2467 * FIXME: maybe it's present in the newest PDB_TYPES structures
2468 */
2469 total = types.last_index - types.first_index + 1;
2470 offset = HeapAlloc(GetProcessHeap(), 0, sizeof(DWORD) * total);
2471 ctp.table = ptr = types_image + types.type_offset;
2472 ctp.num = 0;
2473 while (ptr < ctp.table + types.type_size && ctp.num < total)
2474 {
2475 offset[ctp.num++] = ptr - ctp.table;
2476 ptr += ((const union codeview_type*)ptr)->generic.len + 2;
2477 }
2478 ctp.offset = offset;
2479
2480 /* Read type table */
2481 codeview_parse_type_table(&ctp);
2482 HeapFree(GetProcessHeap(), 0, offset);
2483 pdb_free(types_image);
2484 }
2485 }
2486
2487 static const char PDB_JG_IDENT[] = "Microsoft C/C++ program database 2.00\r\n\032JG\0";
2488 static const char PDB_DS_IDENT[] = "Microsoft C/C++ MSF 7.00\r\n\032DS\0";
2489
2490 /******************************************************************
2491 * pdb_init
2492 *
2493 * Tries to load a pdb file
2494 * 'matched' is filled with the number of correct matches for this file:
2495 * - age counts for one
2496 * - timestamp or guid depending on kind counts for one
2497 * a wrong kind of file returns FALSE (FIXME ?)
2498 */
2499 static BOOL pdb_init(const struct pdb_lookup* pdb_lookup, struct pdb_file_info* pdb_file,
2500 const char* image, unsigned* matched)
2501 {
2502 BOOL ret = TRUE;
2503
2504 /* check the file header, and if ok, load the TOC */
2505 TRACE("PDB(%s): %.40s\n", pdb_lookup->filename, debugstr_an(image, 40));
2506
2507 *matched = 0;
2508 if (!memcmp(image, PDB_JG_IDENT, sizeof(PDB_JG_IDENT)))
2509 {
2510 const struct PDB_JG_HEADER* pdb = (const struct PDB_JG_HEADER*)image;
2511 struct PDB_JG_ROOT* root;
2512
2513 pdb_file->u.jg.toc = pdb_jg_read(pdb, pdb->toc_block, pdb->toc.size);
2514 root = pdb_read_jg_file(pdb, pdb_file->u.jg.toc, 1);
2515 if (!root)
2516 {
2517 ERR("-Unable to get root from .PDB in %s\n", pdb_lookup->filename);
2518 return FALSE;
2519 }
2520 switch (root->Version)
2521 {
2522 case 19950623: /* VC 4.0 */
2523 case 19950814:
2524 case 19960307: /* VC 5.0 */
2525 case 19970604: /* VC 6.0 */
2526 break;
2527 default:
2528 ERR("-Unknown root block version %d\n", root->Version);
2529 }
2530 if (pdb_lookup->kind != PDB_JG)
2531 {
2532 WARN("Found %s, but wrong PDB kind\n", pdb_lookup->filename);
2533 pdb_free(root);
2534 return FALSE;
2535 }
2536 pdb_file->kind = PDB_JG;
2537 pdb_file->u.jg.timestamp = root->TimeDateStamp;
2538 pdb_file->age = root->Age;
2539 if (root->TimeDateStamp == pdb_lookup->timestamp) (*matched)++;
2540 else WARN("Found %s, but wrong signature: %08x %08x\n",
2541 pdb_lookup->filename, root->TimeDateStamp, pdb_lookup->timestamp);
2542 if (root->Age == pdb_lookup->age) (*matched)++;
2543 else WARN("Found %s, but wrong age: %08x %08x\n",
2544 pdb_lookup->filename, root->Age, pdb_lookup->age);
2545 TRACE("found JG for %s: age=%x timestamp=%x\n",
2546 pdb_lookup->filename, root->Age, root->TimeDateStamp);
2547 pdb_load_stream_name_table(pdb_file, &root->names[0], root->cbNames);
2548
2549 pdb_free(root);
2550 }
2551 else if (!memcmp(image, PDB_DS_IDENT, sizeof(PDB_DS_IDENT)))
2552 {
2553 const struct PDB_DS_HEADER* pdb = (const struct PDB_DS_HEADER*)image;
2554 struct PDB_DS_ROOT* root;
2555
2556 pdb_file->u.ds.toc =
2557 pdb_ds_read(pdb,
2558 (const DWORD*)((const char*)pdb + pdb->toc_page * pdb->block_size),
2559 pdb->toc_size);
2560 root = pdb_read_ds_file(pdb, pdb_file->u.ds.toc, 1);
2561 if (!root)
2562 {
2563 ERR("-Unable to get root from .PDB in %s\n", pdb_lookup->filename);
2564 return FALSE;
2565 }
2566 switch (root->Version)
2567 {
2568 case 20000404:
2569 break;
2570 default:
2571 ERR("-Unknown root block version %d\n", root->Version);
2572 }
2573 pdb_file->kind = PDB_DS;
2574 pdb_file->u.ds.guid = root->guid;
2575 pdb_file->age = root->Age;
2576 if (!memcmp(&root->guid, &pdb_lookup->guid, sizeof(GUID))) (*matched)++;
2577 else WARN("Found %s, but wrong GUID: %s %s\n",
2578 pdb_lookup->filename, debugstr_guid(&root->guid),
2579 debugstr_guid(&pdb_lookup->guid));
2580 if (root->Age == pdb_lookup->age) (*matched)++;
2581 else WARN("Found %s, but wrong age: %08x %08x\n",
2582 pdb_lookup->filename, root->Age, pdb_lookup->age);
2583 TRACE("found DS for %s: age=%x guid=%s\n",
2584 pdb_lookup->filename, root->Age, debugstr_guid(&root->guid));
2585 pdb_load_stream_name_table(pdb_file, &root->names[0], root->cbNames);
2586
2587 pdb_free(root);
2588 }
2589
2590 if (0) /* some tool to dump the internal files from a PDB file */
2591 {
2592 int i, num_files;
2593
2594 switch (pdb_file->kind)
2595 {
2596 case PDB_JG: num_files = pdb_file->u.jg.toc->num_files; break;
2597 case PDB_DS: num_files = pdb_file->u.ds.toc->num_files; break;
2598 }
2599
2600 for (i = 1; i < num_files; i++)
2601 {
2602 unsigned char* x = pdb_read_file(pdb_file, i);
2603 FIXME("********************** [%u]: size=%08x\n",
2604 i, pdb_get_file_size(pdb_file, i));
2605 dump(x, pdb_get_file_size(pdb_file, i));
2606 pdb_free(x);
2607 }
2608 }
2609 return ret;
2610 }
2611
2612 static BOOL pdb_process_internal(const struct process* pcs,
2613 const struct msc_debug_info* msc_dbg,
2614 const struct pdb_lookup* pdb_lookup,
2615 struct pdb_module_info* pdb_module_info,
2616 unsigned module_index);
2617
2618 static void pdb_process_symbol_imports(const struct process* pcs,
2619 const struct msc_debug_info* msc_dbg,
2620 const PDB_SYMBOLS* symbols,
2621 const void* symbols_image,
2622 const char* image,
2623 const struct pdb_lookup* pdb_lookup,
2624 struct pdb_module_info* pdb_module_info,
2625 unsigned module_index)
2626 {
2627 if (module_index == -1 && symbols && symbols->pdbimport_size)
2628 {
2629 const PDB_SYMBOL_IMPORT*imp;
2630 const void* first;
2631 const void* last;
2632 const char* ptr;
2633 int i = 0;
2634 struct pdb_file_info sf0 = pdb_module_info->pdb_files[0];
2635
2636 imp = (const PDB_SYMBOL_IMPORT*)((const char*)symbols_image + sizeof(PDB_SYMBOLS) +
2637 symbols->module_size + symbols->offset_size +
2638 symbols->hash_size + symbols->srcmodule_size);
2639 first = imp;
2640 last = (const char*)imp + symbols->pdbimport_size;
2641 while (imp < (const PDB_SYMBOL_IMPORT*)last)
2642 {
2643 ptr = (const char*)imp + sizeof(*imp) + strlen(imp->filename);
2644 if (i >= CV_MAX_MODULES) FIXME("Out of bounds!!!\n");
2645 if (!strcasecmp(pdb_lookup->filename, imp->filename))
2646 {
2647 if (module_index != -1) FIXME("Twice the entry\n");
2648 else module_index = i;
2649 pdb_module_info->pdb_files[i] = sf0;
2650 }
2651 else
2652 {
2653 struct pdb_lookup imp_pdb_lookup;
2654
2655 /* FIXME: this is an import of a JG PDB file
2656 * how's a DS PDB handled ?
2657 */
2658 imp_pdb_lookup.filename = imp->filename;
2659 imp_pdb_lookup.kind = PDB_JG;
2660 imp_pdb_lookup.timestamp = imp->TimeDateStamp;
2661 imp_pdb_lookup.age = imp->Age;
2662 TRACE("got for %s: age=%u ts=%x\n",
2663 imp->filename, imp->Age, imp->TimeDateStamp);
2664 pdb_process_internal(pcs, msc_dbg, &imp_pdb_lookup, pdb_module_info, i);
2665 }
2666 i++;
2667 imp = (const PDB_SYMBOL_IMPORT*)((const char*)first + ((ptr - (const char*)first + strlen(ptr) + 1 + 3) & ~3));
2668 }
2669 pdb_module_info->used_subfiles = i;
2670 }
2671 if (module_index == -1)
2672 {
2673 module_index = 0;
2674 pdb_module_info->used_subfiles = 1;
2675 }
2676 cv_current_module = &cv_zmodules[module_index];
2677 if (cv_current_module->allowed) FIXME("Already allowed??\n");
2678 cv_current_module->allowed = TRUE;
2679 }
2680
2681 static BOOL pdb_process_internal(const struct process* pcs,
2682 const struct msc_debug_info* msc_dbg,
2683 const struct pdb_lookup* pdb_lookup,
2684 struct pdb_module_info* pdb_module_info,
2685 unsigned module_index)
2686 {
2687 HANDLE hMap = NULL;
2688 char* image = NULL;
2689 BYTE* symbols_image = NULL;
2690 char* files_image = NULL;
2691 DWORD files_size = 0;
2692 unsigned matched;
2693 struct pdb_file_info* pdb_file;
2694
2695 TRACE("Processing PDB file %s\n", pdb_lookup->filename);
2696
2697 pdb_file = &pdb_module_info->pdb_files[module_index == -1 ? 0 : module_index];
2698 /* Open and map() .PDB file */
2699 if ((hMap = map_pdb_file(pcs, pdb_lookup, msc_dbg->module)) == NULL ||
2700 ((image = MapViewOfFile(hMap, FILE_MAP_READ, 0, 0, 0)) == NULL))
2701 {
2702 WARN("Unable to open .PDB file: %s\n", pdb_lookup->filename);
2703 CloseHandle(hMap);
2704 return FALSE;
2705 }
2706 if (!pdb_init(pdb_lookup, pdb_file, image, &matched) || matched != 2)
2707 {
2708 CloseHandle(hMap);
2709 UnmapViewOfFile(image);
2710 return FALSE;
2711 }
2712
2713 pdb_file->hMap = hMap;
2714 pdb_file->image = image;
2715 symbols_image = pdb_read_file(pdb_file, 3);
2716 if (symbols_image)
2717 {
2718 PDB_SYMBOLS symbols;
2719 BYTE* globalimage;
2720 BYTE* modimage;
2721 BYTE* file;
2722 int header_size = 0;
2723 PDB_STREAM_INDEXES* psi;
2724
2725 pdb_convert_symbols_header(&symbols, &header_size, symbols_image);
2726 switch (symbols.version)
2727 {
2728 case 0: /* VC 4.0 */
2729 case 19960307: /* VC 5.0 */
2730 case 19970606: /* VC 6.0 */
2731 case 19990903:
2732 break;
2733 default:
2734 ERR("-Unknown symbol info version %d %08x\n",
2735 symbols.version, symbols.version);
2736 }
2737
2738 switch (symbols.stream_index_size)
2739 {
2740 case 0:
2741 case sizeof(PDB_STREAM_INDEXES_OLD):
2742 /* no fpo ext stream in this case */
2743 break;
2744 case sizeof(PDB_STREAM_INDEXES):
2745 psi = (PDB_STREAM_INDEXES*)((const char*)symbols_image + sizeof(PDB_SYMBOLS) +
2746 symbols.module_size + symbols.offset_size +
2747 symbols.hash_size + symbols.srcmodule_size +
2748 symbols.pdbimport_size + symbols.unknown2_size);
2749 pdb_file->fpoext_stream = psi->FPO_EXT;
2750 break;
2751 default:
2752 FIXME("Unknown PDB_STREAM_INDEXES size (%d)\n", symbols.stream_index_size);
2753 break;
2754 }
2755 files_image = pdb_read_strings(pdb_file);
2756 if (files_image) files_size = *(const DWORD*)(files_image + 8);
2757
2758 pdb_process_symbol_imports(pcs, msc_dbg, &symbols, symbols_image, image,
2759 pdb_lookup, pdb_module_info, module_index);
2760 pdb_process_types(msc_dbg, pdb_file);
2761
2762 /* Read global symbol table */
2763 globalimage = pdb_read_file(pdb_file, symbols.gsym_file);
2764 if (globalimage)
2765 {
2766 codeview_snarf(msc_dbg, globalimage, 0,
2767 pdb_get_file_size(pdb_file, symbols.gsym_file), FALSE);
2768 }
2769
2770 /* Read per-module symbols' tables */
2771 file = symbols_image + header_size;
2772 while (file - symbols_image < header_size + symbols.module_size)
2773 {
2774 PDB_SYMBOL_FILE_EX sfile;
2775 const char* file_name;
2776 unsigned size;
2777
2778 HeapValidate(GetProcessHeap(), 0, NULL);
2779 pdb_convert_symbol_file(&symbols, &sfile, &size, file);
2780
2781 modimage = pdb_read_file(pdb_file, sfile.file);
2782 if (modimage)
2783 {
2784 if (sfile.symbol_size)
2785 codeview_snarf(msc_dbg, modimage, sizeof(DWORD),
2786 sfile.symbol_size, TRUE);
2787
2788 if (sfile.lineno_size)
2789 codeview_snarf_linetab(msc_dbg,
2790 modimage + sfile.symbol_size,
2791 sfile.lineno_size,
2792 pdb_file->kind == PDB_JG);
2793 if (files_image)
2794 codeview_snarf_linetab2(msc_dbg, modimage + sfile.symbol_size + sfile.lineno_size,
2795 pdb_get_file_size(pdb_file, sfile.file) - sfile.symbol_size - sfile.lineno_size,
2796 files_image + 12, files_size);
2797
2798 pdb_free(modimage);
2799 }
2800 file_name = (const char*)file + size;
2801 file_name += strlen(file_name) + 1;
2802 file = (BYTE*)((DWORD_PTR)(file_name + strlen(file_name) + 1 + 3) & ~3);
2803 }
2804 /* finish the remaining public and global information */
2805 if (globalimage)
2806 {
2807 codeview_snarf_public(msc_dbg, globalimage, 0,
2808 pdb_get_file_size(pdb_file, symbols.gsym_file));
2809 pdb_free(globalimage);
2810 }
2811 }
2812 else
2813 pdb_process_symbol_imports(pcs, msc_dbg, NULL, NULL, image,
2814 pdb_lookup, pdb_module_info, module_index);
2815
2816 pdb_free(symbols_image);
2817 pdb_free(files_image);
2818
2819 return TRUE;
2820 }
2821
2822 static BOOL pdb_process_file(const struct process* pcs,
2823 const struct msc_debug_info* msc_dbg,
2824 struct pdb_lookup* pdb_lookup)
2825 {
2826 BOOL ret;
2827 struct module_format* modfmt;
2828 struct pdb_module_info* pdb_module_info;
2829
2830 modfmt = HeapAlloc(GetProcessHeap(), 0,
2831 sizeof(struct module_format) + sizeof(struct pdb_module_info));
2832 if (!modfmt) return FALSE;
2833
2834 pdb_module_info = (void*)(modfmt + 1);
2835 msc_dbg->module->format_info[DFI_PDB] = modfmt;
2836 modfmt->module = msc_dbg->module;
2837 modfmt->remove = pdb_module_remove;
2838 modfmt->loc_compute = NULL;
2839 modfmt->u.pdb_info = pdb_module_info;
2840
2841 memset(cv_zmodules, 0, sizeof(cv_zmodules));
2842 codeview_init_basic_types(msc_dbg->module);
2843 ret = pdb_process_internal(pcs, msc_dbg, pdb_lookup,
2844 msc_dbg->module->format_info[DFI_PDB]->u.pdb_info, -1);
2845 codeview_clear_type_table();
2846 if (ret)
2847 {
2848 struct pdb_module_info* pdb_info = msc_dbg->module->format_info[DFI_PDB]->u.pdb_info;
2849 msc_dbg->module->module.SymType = SymCv;
2850 if (pdb_info->pdb_files[0].kind == PDB_JG)
2851 msc_dbg->module->module.PdbSig = pdb_info->pdb_files[0].u.jg.timestamp;
2852 else
2853 msc_dbg->module->module.PdbSig70 = pdb_info->pdb_files[0].u.ds.guid;
2854 msc_dbg->module->module.PdbAge = pdb_info->pdb_files[0].age;
2855 MultiByteToWideChar(CP_ACP, 0, pdb_lookup->filename, -1,
2856 msc_dbg->module->module.LoadedPdbName,
2857 sizeof(msc_dbg->module->module.LoadedPdbName) / sizeof(WCHAR));
2858 /* FIXME: we could have a finer grain here */
2859 msc_dbg->module->module.LineNumbers = TRUE;
2860 msc_dbg->module->module.GlobalSymbols = TRUE;
2861 msc_dbg->module->module.TypeInfo = TRUE;
2862 msc_dbg->module->module.SourceIndexed = TRUE;
2863 msc_dbg->module->module.Publics = TRUE;
2864 }
2865 else
2866 {
2867 msc_dbg->module->format_info[DFI_PDB] = NULL;
2868 HeapFree(GetProcessHeap(), 0, modfmt);
2869 }
2870 return ret;
2871 }
2872
2873 BOOL pdb_fetch_file_info(const struct pdb_lookup* pdb_lookup, unsigned* matched)
2874 {
2875 HANDLE hFile, hMap = NULL;
2876 char* image = NULL;
2877 BOOL ret;
2878 struct pdb_file_info pdb_file;
2879
2880 if ((hFile = CreateFileA(pdb_lookup->filename, GENERIC_READ, FILE_SHARE_READ, NULL,
2881 OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL)) == INVALID_HANDLE_VALUE ||
2882 ((hMap = CreateFileMappingW(hFile, NULL, PAGE_READONLY, 0, 0, NULL)) == NULL) ||
2883 ((image = MapViewOfFile(hMap, FILE_MAP_READ, 0, 0, 0)) == NULL))
2884 {
2885 WARN("Unable to open .PDB file: %s\n", pdb_lookup->filename);
2886 ret = FALSE;
2887 }
2888 else
2889 {
2890 ret = pdb_init(pdb_lookup, &pdb_file, image, matched);
2891 pdb_free_file(&pdb_file);
2892 }
2893
2894 if (image) UnmapViewOfFile(image);
2895 if (hMap) CloseHandle(hMap);
2896 if (hFile != INVALID_HANDLE_VALUE) CloseHandle(hFile);
2897
2898 return ret;
2899 }
2900
2901 /*========================================================================
2902 * FPO unwinding code
2903 */
2904
2905 /* Stack unwinding is based on postfixed operations.
2906 * Let's define our Postfix EValuator
2907 */
2908 #define PEV_MAX_LEN 32
2909 struct pevaluator
2910 {
2911 struct cpu_stack_walk* csw;
2912 struct pool pool;
2913 struct vector stack;
2914 unsigned stk_index;
2915 struct hash_table values;
2916 char error[64];
2917 };
2918
2919 struct zvalue
2920 {
2921 DWORD_PTR value;
2922 struct hash_table_elt elt;
2923 };
2924
2925 #define PEV_ERROR(pev, msg) snprintf((pev)->error, sizeof((pev)->error), "%s", (msg))
2926 #define PEV_ERROR1(pev, msg, pmt) snprintf((pev)->error, sizeof((pev)->error), (msg), (pmt))
2927
2928 #if 0
2929 static void pev_dump_stack(struct pevaluator* pev)
2930 {
2931 unsigned i;
2932 FIXME("stack #%d\n", pev->stk_index);
2933 for (i = 0; i < pev->stk_index; i++)
2934 {
2935 FIXME("\t%d) %s\n", i, *(char**)vector_at(&pev->stack, i));
2936 }
2937 }
2938 #endif
2939
2940 /* get the value out of an operand (variable or literal) */
2941 static BOOL pev_get_val(struct pevaluator* pev, const char* str, DWORD_PTR* val)
2942 {
2943 char* n;
2944 struct hash_table_iter hti;
2945 void* ptr;
2946
2947 switch (str[0])
2948 {
2949 case '$':
2950 case '.':
2951 hash_table_iter_init(&pev->values, &hti, str);
2952 while ((ptr = hash_table_iter_up(&hti)))
2953 {
2954 if (!strcmp(GET_ENTRY(ptr, struct zvalue, elt)->elt.name, str))
2955 {
2956 *val = GET_ENTRY(ptr, struct zvalue, elt)->value;
2957 return TRUE;
2958 }
2959 }
2960 return PEV_ERROR1(pev, "get_zvalue: no value found (%s)", str);
2961 default:
2962 *val = strtol(str, &n, 10);
2963 if (n == str || *n != '\0')
2964 return PEV_ERROR1(pev, "get_val: not a literal (%s)", str);
2965 return TRUE;
2966 }
2967 }
2968
2969 /* push an operand onto the stack */
2970 static BOOL pev_push(struct pevaluator* pev, const char* elt)
2971 {
2972 char** at;
2973 if (pev->stk_index < vector_length(&pev->stack))
2974 at = vector_at(&pev->stack, pev->stk_index);
2975 else
2976 at = vector_add(&pev->stack, &pev->pool);
2977 if (!at) return PEV_ERROR(pev, "push: out of memory");
2978 *at = pool_strdup(&pev->pool, elt);
2979 pev->stk_index++;
2980 return TRUE;
2981 }
2982
2983 /* pop an operand from the stack */
2984 static BOOL pev_pop(struct pevaluator* pev, char* elt)
2985 {
2986 char** at = vector_at(&pev->stack, --pev->stk_index);
2987 if (!at) return PEV_ERROR(pev, "pop: stack empty");
2988 strcpy(elt, *at);
2989 return TRUE;
2990 }
2991
2992 /* pop an operand from the stack, and gets its value */
2993 static BOOL pev_pop_val(struct pevaluator* pev, DWORD_PTR* val)
2994 {
2995 char p[PEV_MAX_LEN];
2996
2997 return pev_pop(pev, p) && pev_get_val(pev, p, val);
2998 }
2999
3000 /* set var 'name' a new value (creates the var if it doesn't exist) */
3001 static BOOL pev_set_value(struct pevaluator* pev, const char* name, DWORD_PTR val)
3002 {
3003 struct hash_table_iter hti;
3004 void* ptr;
3005
3006 hash_table_iter_init(&pev->values, &hti, name);
3007 while ((ptr = hash_table_iter_up(&hti)))
3008 {
3009 if (!strcmp(GET_ENTRY(ptr, struct zvalue, elt)->elt.name, name))
3010 {
3011 GET_ENTRY(ptr, struct zvalue, elt)->value = val;
3012 break;
3013 }
3014 }
3015 if (!ptr)
3016 {
3017 struct zvalue* zv = pool_alloc(&pev->pool, sizeof(*zv));
3018 if (!zv) return PEV_ERROR(pev, "set_value: out of memory");
3019 zv->value = val;
3020
3021 zv->elt.name = pool_strdup(&pev->pool, name);
3022 hash_table_add(&pev->values, &zv->elt);
3023 }
3024 return TRUE;
3025 }
3026
3027 /* execute a binary operand from the two top most values on the stack.
3028 * puts result on top of the stack */
3029 static BOOL pev_binop(struct pevaluator* pev, char op)
3030 {
3031 char res[PEV_MAX_LEN];
3032 DWORD_PTR v1, v2, c;
3033
3034 if (!pev_pop_val(pev, &v1) || !pev_pop_val(pev, &v2)) return FALSE;
3035 switch (op)
3036 {
3037 case '+': c = v1 + v2; break;
3038 case '-': c = v1 - v2; break;
3039 case '*': c = v1 * v2; break;
3040 case '/': c = v1 / v2; break;
3041 case '%': c = v1 % v2; break;
3042 default: return PEV_ERROR1(pev, "binop: unknown op (%c)", op);
3043 }
3044 snprintf(res, sizeof(res), "%ld", c);
3045 pev_push(pev, res);
3046 return TRUE;
3047 }
3048
3049 /* pops top most operand, dereference it, on pushes the result on top of the stack */
3050 static BOOL pev_deref(struct pevaluator* pev)
3051 {
3052 char res[PEV_MAX_LEN];
3053 DWORD_PTR v1, v2;
3054
3055 if (!pev_pop_val(pev, &v1)) return FALSE;
3056 if (!sw_read_mem(pev->csw, v1, &v2, sizeof(v2)))
3057 return PEV_ERROR1(pev, "deref: cannot read mem at %lx\n", v1);
3058 snprintf(res, sizeof(res), "%ld", v2);
3059 pev_push(pev, res);
3060 return TRUE;
3061 }
3062
3063 /* assign value to variable (from two top most operands) */
3064 static BOOL pev_assign(struct pevaluator* pev)
3065 {
3066 char p2[PEV_MAX_LEN];
3067 DWORD_PTR v1;
3068
3069 if (!pev_pop_val(pev, &v1) || !pev_pop(pev, p2)) return FALSE;
3070 if (p2[0] != '$') return PEV_ERROR1(pev, "assign: %s isn't a variable", p2);
3071 pev_set_value(pev, p2, v1);
3072
3073 return TRUE;
3074 }
3075
3076 /* initializes the postfix evaluator */
3077 static void pev_init(struct pevaluator* pev, struct cpu_stack_walk* csw,
3078 PDB_FPO_DATA* fpoext, struct pdb_cmd_pair* cpair)
3079 {
3080 pev->csw = csw;
3081 pool_init(&pev->pool, 512);
3082 vector_init(&pev->stack, sizeof(char*), 8);
3083 pev->stk_index = 0;
3084 hash_table_init(&pev->pool, &pev->values, 8);
3085 pev->error[0] = '\0';
3086 for (; cpair->name; cpair++)
3087 pev_set_value(pev, cpair->name, *cpair->pvalue);
3088 pev_set_value(pev, ".raSearchStart", fpoext->start);
3089 pev_set_value(pev, ".cbLocals", fpoext->locals_size);
3090 pev_set_value(pev, ".cbParams", fpoext->params_size);
3091 pev_set_value(pev, ".cbSavedRegs", fpoext->savedregs_size);
3092 }
3093
3094 static BOOL pev_free(struct pevaluator* pev, struct pdb_cmd_pair* cpair)
3095 {
3096 DWORD_PTR val;
3097
3098 if (cpair) for (; cpair->name; cpair++)
3099 {
3100 if (pev_get_val(pev, cpair->name, &val))
3101 *cpair->pvalue = val;
3102 }
3103 pool_destroy(&pev->pool);
3104 return TRUE;
3105 }
3106
3107 static BOOL pdb_parse_cmd_string(struct cpu_stack_walk* csw, PDB_FPO_DATA* fpoext,
3108 const char* cmd, struct pdb_cmd_pair* cpair)
3109 {
3110 char token[PEV_MAX_LEN];
3111 char* ptok = token;
3112 const char* ptr;
3113 BOOL over = FALSE;
3114 struct pevaluator pev;
3115
3116 pev_init(&pev, csw, fpoext, cpair);
3117 for (ptr = cmd; !over; ptr++)
3118 {
3119 if (*ptr == ' ' || (over = *ptr == '\0'))
3120 {
3121 *ptok = '\0';
3122
3123 if (!strcmp(token, "+") || !strcmp(token, "-") || !strcmp(token, "*") ||
3124 !strcmp(token, "/") || !strcmp(token, "%"))
3125 {
3126 if (!pev_binop(&pev, token[0])) goto done;
3127 }
3128 else if (!strcmp(token, "^"))
3129 {
3130 if (!pev_deref(&pev)) goto done;
3131 }
3132 else if (!strcmp(token, "="))
3133 {
3134 if (!pev_assign(&pev)) goto done;
3135 }
3136 else
3137 {
3138 if (!pev_push(&pev, token)) goto done;
3139 }
3140 ptok = token;
3141 }
3142 else
3143 {
3144 if (ptok - token >= PEV_MAX_LEN - 1)
3145 {
3146 PEV_ERROR1(&pev, "parse: token too long (%s)", ptr - (ptok - token));
3147 goto done;
3148 }
3149 *ptok++ = *ptr;
3150 }
3151 }
3152 pev_free(&pev, cpair);
3153 return TRUE;
3154 done:
3155 FIXME("Couldn't evaluate %s => %s\n", wine_dbgstr_a(cmd), pev.error);
3156 pev_free(&pev, NULL);
3157 return FALSE;
3158 }
3159
3160 BOOL pdb_virtual_unwind(struct cpu_stack_walk* csw, DWORD_PTR ip,
3161 CONTEXT* context, struct pdb_cmd_pair* cpair)
3162 {
3163 struct module_pair pair;
3164 struct pdb_module_info* pdb_info;
3165 PDB_FPO_DATA* fpoext;
3166 unsigned i, size, strsize;
3167 char* strbase;
3168 BOOL ret = TRUE;
3169
3170 if (!(pair.pcs = process_find_by_handle(csw->hProcess)) ||
3171 !(pair.requested = module_find_by_addr(pair.pcs, ip, DMT_UNKNOWN)) ||
3172 !module_get_debug(&pair))
3173 return FALSE;
3174 if (!pair.effective->format_info[DFI_PDB]) return FALSE;
3175 pdb_info = pair.effective->format_info[DFI_PDB]->u.pdb_info;
3176 TRACE("searching %lx => %lx\n", ip, ip - (DWORD_PTR)pair.effective->module.BaseOfImage);
3177 ip -= (DWORD_PTR)pair.effective->module.BaseOfImage;
3178
3179 strbase = pdb_read_strings(&pdb_info->pdb_files[0]);
3180 if (!strbase) return FALSE;
3181 strsize = *(const DWORD*)(strbase + 8);
3182 fpoext = pdb_read_file(&pdb_info->pdb_files[0], pdb_info->pdb_files[0].fpoext_stream);
3183 size = pdb_get_file_size(&pdb_info->pdb_files[0], pdb_info->pdb_files[0].fpoext_stream);
3184 if (fpoext && (size % sizeof(*fpoext)) == 0)
3185 {
3186 size /= sizeof(*fpoext);
3187 for (i = 0; i < size; i++)
3188 {
3189 if (fpoext[i].start <= ip && ip < fpoext[i].start + fpoext[i].func_size)
3190 {
3191 TRACE("\t%08x %08x %8x %8x %4x %4x %4x %08x %s\n",
3192 fpoext[i].start, fpoext[i].func_size, fpoext[i].locals_size,
3193 fpoext[i].params_size, fpoext[i].maxstack_size, fpoext[i].prolog_size,
3194 fpoext[i].savedregs_size, fpoext[i].flags,
3195 fpoext[i].str_offset < strsize ?
3196 wine_dbgstr_a(strbase + 12 + fpoext[i].str_offset) : "<out of bounds>");
3197 if (fpoext[i].str_offset < strsize)
3198 ret = pdb_parse_cmd_string(csw, &fpoext[i], strbase + 12 + fpoext[i].str_offset, cpair);
3199 else
3200 ret = FALSE;
3201 break;
3202 }
3203 }
3204 }
3205 else ret = FALSE;
3206 pdb_free(fpoext);
3207 pdb_free(strbase);
3208
3209 return ret;
3210 }
3211
3212 /*========================================================================
3213 * Process CodeView debug information.
3214 */
3215
3216 #define MAKESIG(a,b,c,d) ((a) | ((b) << 8) | ((c) << 16) | ((d) << 24))
3217 #define CODEVIEW_NB09_SIG MAKESIG('N','B','0','9')
3218 #define CODEVIEW_NB10_SIG MAKESIG('N','B','1','0')
3219 #define CODEVIEW_NB11_SIG MAKESIG('N','B','1','1')
3220 #define CODEVIEW_RSDS_SIG MAKESIG('R','S','D','S')
3221
3222 static BOOL codeview_process_info(const struct process* pcs,
3223 const struct msc_debug_info* msc_dbg)
3224 {
3225 const DWORD* signature = (const DWORD*)msc_dbg->root;
3226 BOOL ret = FALSE;
3227 struct pdb_lookup pdb_lookup;
3228
3229 TRACE("Processing signature %.4s\n", (const char*)signature);
3230
3231 switch (*signature)
3232 {
3233 case CODEVIEW_NB09_SIG:
3234 case CODEVIEW_NB11_SIG:
3235 {
3236 const OMFSignature* cv = (const OMFSignature*)msc_dbg->root;
3237 const OMFDirHeader* hdr = (const OMFDirHeader*)(msc_dbg->root + cv->filepos);
3238 const OMFDirEntry* ent;
3239 const OMFDirEntry* prev;
3240 const OMFDirEntry* next;
3241 unsigned int i;
3242
3243 codeview_init_basic_types(msc_dbg->module);
3244
3245 for (i = 0; i < hdr->cDir; i++)
3246 {
3247 ent = (const OMFDirEntry*)((const BYTE*)hdr + hdr->cbDirHeader + i * hdr->cbDirEntry);
3248 if (ent->SubSection == sstGlobalTypes)
3249 {
3250 const OMFGlobalTypes* types;
3251 struct codeview_type_parse ctp;
3252
3253 types = (const OMFGlobalTypes*)(msc_dbg->root + ent->lfo);
3254 ctp.module = msc_dbg->module;
3255 ctp.offset = (const DWORD*)(types + 1);
3256 ctp.num = types->cTypes;
3257 ctp.table = (const BYTE*)(ctp.offset + types->cTypes);
3258
3259 cv_current_module = &cv_zmodules[0];
3260 if (cv_current_module->allowed) FIXME("Already allowed??\n");
3261 cv_current_module->allowed = TRUE;
3262
3263 codeview_parse_type_table(&ctp);
3264 break;
3265 }
3266 }
3267
3268 ent = (const OMFDirEntry*)((const BYTE*)hdr + hdr->cbDirHeader);
3269 for (i = 0; i < hdr->cDir; i++, ent = next)
3270 {
3271 next = (i == hdr->cDir-1) ? NULL :
3272 (const OMFDirEntry*)((const BYTE*)ent + hdr->cbDirEntry);
3273 prev = (i == 0) ? NULL :
3274 (const OMFDirEntry*)((const BYTE*)ent - hdr->cbDirEntry);
3275
3276 if (ent->SubSection == sstAlignSym)
3277 {
3278 codeview_snarf(msc_dbg, msc_dbg->root + ent->lfo, sizeof(DWORD),
3279 ent->cb, TRUE);
3280
3281 /*
3282 * Check the next and previous entry. If either is a
3283 * sstSrcModule, it contains the line number info for
3284 * this file.
3285 *
3286 * FIXME: This is not a general solution!
3287 */
3288 if (next && next->iMod == ent->iMod && next->SubSection == sstSrcModule)
3289 codeview_snarf_linetab(msc_dbg, msc_dbg->root + next->lfo,
3290 next->cb, TRUE);
3291
3292 if (prev && prev->iMod == ent->iMod && prev->SubSection == sstSrcModule)
3293 codeview_snarf_linetab(msc_dbg, msc_dbg->root + prev->lfo,
3294 prev->cb, TRUE);
3295
3296 }
3297 }
3298
3299 msc_dbg->module->module.SymType = SymCv;
3300 /* FIXME: we could have a finer grain here */
3301 msc_dbg->module->module.LineNumbers = TRUE;
3302 msc_dbg->module->module.GlobalSymbols = TRUE;
3303 msc_dbg->module->module.TypeInfo = TRUE;
3304 msc_dbg->module->module.SourceIndexed = TRUE;
3305 msc_dbg->module->module.Publics = TRUE;
3306 codeview_clear_type_table();
3307 ret = TRUE;
3308 break;
3309 }
3310
3311 case CODEVIEW_NB10_SIG:
3312 {
3313 const CODEVIEW_PDB_DATA* pdb = (const CODEVIEW_PDB_DATA*)msc_dbg->root;
3314 pdb_lookup.filename = pdb->name;
3315 pdb_lookup.kind = PDB_JG;
3316 pdb_lookup.timestamp = pdb->timestamp;
3317 pdb_lookup.age = pdb->age;
3318 ret = pdb_process_file(pcs, msc_dbg, &pdb_lookup);
3319 break;
3320 }
3321 case CODEVIEW_RSDS_SIG:
3322 {
3323 const OMFSignatureRSDS* rsds = (const OMFSignatureRSDS*)msc_dbg->root;
3324
3325 TRACE("Got RSDS type of PDB file: guid=%s age=%08x name=%s\n",
3326 wine_dbgstr_guid(&rsds->guid), rsds->age, rsds->name);
3327 pdb_lookup.filename = rsds->name;
3328 pdb_lookup.kind = PDB_DS;
3329 pdb_lookup.guid = rsds->guid;
3330 pdb_lookup.age = rsds->age;
3331 ret = pdb_process_file(pcs, msc_dbg, &pdb_lookup);
3332 break;
3333 }
3334 default:
3335 ERR("Unknown CODEVIEW signature %08x in module %s\n",
3336 *signature, debugstr_w(msc_dbg->module->module.ModuleName));
3337 break;
3338 }
3339 if (ret)
3340 {
3341 msc_dbg->module->module.CVSig = *signature;
3342 memcpy(msc_dbg->module->module.CVData, msc_dbg->root,
3343 sizeof(msc_dbg->module->module.CVData));
3344 }
3345 return ret;
3346 }
3347
3348 /*========================================================================
3349 * Process debug directory.
3350 */
3351 BOOL pe_load_debug_directory(const struct process* pcs, struct module* module,
3352 const BYTE* mapping,
3353 const IMAGE_SECTION_HEADER* sectp, DWORD nsect,
3354 const IMAGE_DEBUG_DIRECTORY* dbg, int nDbg)
3355 {
3356 BOOL ret;
3357 int i;
3358 struct msc_debug_info msc_dbg;
3359
3360 msc_dbg.module = module;
3361 msc_dbg.nsect = nsect;
3362 msc_dbg.sectp = sectp;
3363 msc_dbg.nomap = 0;
3364 msc_dbg.omapp = NULL;
3365
3366 __TRY
3367 {
3368 ret = FALSE;
3369
3370 /* First, watch out for OMAP data */
3371 for (i = 0; i < nDbg; i++)
3372 {
3373 if (dbg[i].Type == IMAGE_DEBUG_TYPE_OMAP_FROM_SRC)
3374 {
3375 msc_dbg.nomap = dbg[i].SizeOfData / sizeof(OMAP_DATA);
3376 msc_dbg.omapp = (const OMAP_DATA*)(mapping + dbg[i].PointerToRawData);
3377 break;
3378 }
3379 }
3380
3381 /* Now, try to parse CodeView debug info */
3382 for (i = 0; i < nDbg; i++)
3383 {
3384 if (dbg[i].Type == IMAGE_DEBUG_TYPE_CODEVIEW)
3385 {
3386 msc_dbg.root = mapping + dbg[i].PointerToRawData;
3387 if ((ret = codeview_process_info(pcs, &msc_dbg))) goto done;
3388 }
3389 }
3390
3391 /* If not found, try to parse COFF debug info */
3392 for (i = 0; i < nDbg; i++)
3393 {
3394 if (dbg[i].Type == IMAGE_DEBUG_TYPE_COFF)
3395 {
3396 msc_dbg.root = mapping + dbg[i].PointerToRawData;
3397 if ((ret = coff_process_info(&msc_dbg))) goto done;
3398 }
3399 }
3400 done:
3401 /* FIXME: this should be supported... this is the debug information for
3402 * functions compiled without a frame pointer (FPO = frame pointer omission)
3403 * the associated data helps finding out the relevant information
3404 */
3405 for (i = 0; i < nDbg; i++)
3406 if (dbg[i].Type == IMAGE_DEBUG_TYPE_FPO)
3407 FIXME("This guy has FPO information\n");
3408 #if 0
3409
3410 #define FRAME_FPO 0
3411 #define FRAME_TRAP 1
3412 #define FRAME_TSS 2
3413
3414 typedef struct _FPO_DATA
3415 {
3416 DWORD ulOffStart; /* offset 1st byte of function code */
3417 DWORD cbProcSize; /* # bytes in function */
3418 DWORD cdwLocals; /* # bytes in locals/4 */
3419 WORD cdwParams; /* # bytes in params/4 */
3420
3421 WORD cbProlog : 8; /* # bytes in prolog */
3422 WORD cbRegs : 3; /* # regs saved */
3423 WORD fHasSEH : 1; /* TRUE if SEH in func */
3424 WORD fUseBP : 1; /* TRUE if EBP has been allocated */
3425 WORD reserved : 1; /* reserved for future use */
3426 WORD cbFrame : 2; /* frame type */
3427 } FPO_DATA;
3428 #endif
3429
3430 }
3431 __EXCEPT_PAGE_FAULT
3432 {
3433 ERR("Got a page fault while loading symbols\n");
3434 ret = FALSE;
3435 }
3436 __ENDTRY
3437 return ret;
3438 }
Maarten's multimedia branch