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shdocvw: Properly handle IEDocHost refcount.
[wine/multimedia.git] / dlls / dbghelp / msc.c
blob9abd0656042bf5c24d31903dcd326f03a191f446
1 /*
2 * File msc.c - read VC++ debug information from COFF and eventually
3 * from PDB files.
4 *
5 * Copyright (C) 1996, Eric Youngdale.
6 * Copyright (C) 1999-2000, Ulrich Weigand.
7 * Copyright (C) 2004-2009, Eric Pouech.
8 *
9 * This library is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public
11 * License as published by the Free Software Foundation; either
12 * version 2.1 of the License, or (at your option) any later version.
13 *
14 * This library is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Lesser General Public License for more details.
18 *
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with this library; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
22 */
23
24 /*
25 * Note - this handles reading debug information for 32 bit applications
26 * that run under Windows-NT for example. I doubt that this would work well
27 * for 16 bit applications, but I don't think it really matters since the
28 * file format is different, and we should never get in here in such cases.
29 *
30 * TODO:
31 * Get 16 bit CV stuff working.
32 * Add symbol size to internal symbol table.
33 */
34
35 #define NONAMELESSUNION
36
37 #include "config.h"
38 #include "wine/port.h"
39
40 #include <assert.h>
41 #include <stdio.h>
42 #include <stdlib.h>
43
44 #include <string.h>
45 #ifdef HAVE_UNISTD_H
46 # include <unistd.h>
47 #endif
48 #ifndef PATH_MAX
49 #define PATH_MAX MAX_PATH
50 #endif
51 #include <stdarg.h>
52 #include "windef.h"
53 #include "winbase.h"
54 #include "winternl.h"
55
56 #include "wine/exception.h"
57 #include "wine/debug.h"
58 #include "dbghelp_private.h"
59 #include "wine/mscvpdb.h"
60
61 WINE_DEFAULT_DEBUG_CHANNEL(dbghelp_msc);
62
63 #define MAX_PATHNAME_LEN 1024
64
65 struct pdb_stream_name
66 {
67 const char* name;
68 unsigned index;
69 };
70
71 struct pdb_file_info
72 {
73 enum pdb_kind kind;
74 DWORD age;
75 HANDLE hMap;
76 const char* image;
77 struct pdb_stream_name* stream_dict;
78 unsigned fpoext_stream;
79 union
80 {
81 struct
82 {
83 DWORD timestamp;
84 struct PDB_JG_TOC* toc;
85 } jg;
86 struct
87 {
88 GUID guid;
89 struct PDB_DS_TOC* toc;
90 } ds;
91 } u;
92 };
93
94 /* FIXME: don't make it static */
95 #define CV_MAX_MODULES 32
96 struct pdb_module_info
97 {
98 unsigned used_subfiles;
99 struct pdb_file_info pdb_files[CV_MAX_MODULES];
100 };
101
102 /*========================================================================
103 * Debug file access helper routines
104 */
105
106 static void dump(const void* ptr, unsigned len)
107 {
108 unsigned int i, j;
109 char msg[128];
110 const char* hexof = "0123456789abcdef";
111 const BYTE* x = ptr;
112
113 for (i = 0; i < len; i += 16)
114 {
115 sprintf(msg, "%08x: ", i);
116 memset(msg + 10, ' ', 3 * 16 + 1 + 16);
117 for (j = 0; j < min(16, len - i); j++)
118 {
119 msg[10 + 3 * j + 0] = hexof[x[i + j] >> 4];
120 msg[10 + 3 * j + 1] = hexof[x[i + j] & 15];
121 msg[10 + 3 * j + 2] = ' ';
122 msg[10 + 3 * 16 + 1 + j] = (x[i + j] >= 0x20 && x[i + j] < 0x7f) ?
123 x[i + j] : '.';
124 }
125 msg[10 + 3 * 16] = ' ';
126 msg[10 + 3 * 16 + 1 + 16] = '\0';
127 FIXME("%s\n", msg);
128 }
129 }
130
131 /*========================================================================
132 * Process CodeView type information.
133 */
134
135 #define MAX_BUILTIN_TYPES 0x06FF
136 #define FIRST_DEFINABLE_TYPE 0x1000
137
138 static struct symt* cv_basic_types[MAX_BUILTIN_TYPES];
139
140 struct cv_defined_module
141 {
142 BOOL allowed;
143 unsigned int num_defined_types;
144 struct symt** defined_types;
145 };
146 /* FIXME: don't make it static */
147 #define CV_MAX_MODULES 32
148 static struct cv_defined_module cv_zmodules[CV_MAX_MODULES];
149 static struct cv_defined_module*cv_current_module;
150
151 static void codeview_init_basic_types(struct module* module)
152 {
153 /*
154 * These are the common builtin types that are used by VC++.
155 */
156 cv_basic_types[T_NOTYPE] = NULL;
157 cv_basic_types[T_ABS] = NULL;
158 cv_basic_types[T_VOID] = &symt_new_basic(module, btVoid, "void", 0)->symt;
159 cv_basic_types[T_CHAR] = &symt_new_basic(module, btChar, "char", 1)->symt;
160 cv_basic_types[T_SHORT] = &symt_new_basic(module, btInt, "short int", 2)->symt;
161 cv_basic_types[T_LONG] = &symt_new_basic(module, btInt, "long int", 4)->symt;
162 cv_basic_types[T_QUAD] = &symt_new_basic(module, btInt, "long long int", 8)->symt;
163 cv_basic_types[T_UCHAR] = &symt_new_basic(module, btUInt, "unsigned char", 1)->symt;
164 cv_basic_types[T_USHORT] = &symt_new_basic(module, btUInt, "unsigned short", 2)->symt;
165 cv_basic_types[T_ULONG] = &symt_new_basic(module, btUInt, "unsigned long", 4)->symt;
166 cv_basic_types[T_UQUAD] = &symt_new_basic(module, btUInt, "unsigned long long", 8)->symt;
167 cv_basic_types[T_BOOL08] = &symt_new_basic(module, btBool, "BOOL08", 1)->symt;
168 cv_basic_types[T_BOOL16] = &symt_new_basic(module, btBool, "BOOL16", 2)->symt;
169 cv_basic_types[T_BOOL32] = &symt_new_basic(module, btBool, "BOOL32", 4)->symt;
170 cv_basic_types[T_BOOL64] = &symt_new_basic(module, btBool, "BOOL64", 8)->symt;
171 cv_basic_types[T_REAL32] = &symt_new_basic(module, btFloat, "float", 4)->symt;
172 cv_basic_types[T_REAL64] = &symt_new_basic(module, btFloat, "double", 8)->symt;
173 cv_basic_types[T_REAL80] = &symt_new_basic(module, btFloat, "long double", 10)->symt;
174 cv_basic_types[T_RCHAR] = &symt_new_basic(module, btInt, "signed char", 1)->symt;
175 cv_basic_types[T_WCHAR] = &symt_new_basic(module, btWChar, "wchar_t", 2)->symt;
176 cv_basic_types[T_INT2] = &symt_new_basic(module, btInt, "INT2", 2)->symt;
177 cv_basic_types[T_UINT2] = &symt_new_basic(module, btUInt, "UINT2", 2)->symt;
178 cv_basic_types[T_INT4] = &symt_new_basic(module, btInt, "INT4", 4)->symt;
179 cv_basic_types[T_UINT4] = &symt_new_basic(module, btUInt, "UINT4", 4)->symt;
180 cv_basic_types[T_INT8] = &symt_new_basic(module, btInt, "INT8", 8)->symt;
181 cv_basic_types[T_UINT8] = &symt_new_basic(module, btUInt, "UINT8", 8)->symt;
182 cv_basic_types[T_HRESULT]= &symt_new_basic(module, btUInt, "HRESULT", 4)->symt;
183
184 cv_basic_types[T_32PVOID] = &symt_new_pointer(module, cv_basic_types[T_VOID], 4)->symt;
185 cv_basic_types[T_32PCHAR] = &symt_new_pointer(module, cv_basic_types[T_CHAR], 4)->symt;
186 cv_basic_types[T_32PSHORT] = &symt_new_pointer(module, cv_basic_types[T_SHORT], 4)->symt;
187 cv_basic_types[T_32PLONG] = &symt_new_pointer(module, cv_basic_types[T_LONG], 4)->symt;
188 cv_basic_types[T_32PQUAD] = &symt_new_pointer(module, cv_basic_types[T_QUAD], 4)->symt;
189 cv_basic_types[T_32PUCHAR] = &symt_new_pointer(module, cv_basic_types[T_UCHAR], 4)->symt;
190 cv_basic_types[T_32PUSHORT] = &symt_new_pointer(module, cv_basic_types[T_USHORT], 4)->symt;
191 cv_basic_types[T_32PULONG] = &symt_new_pointer(module, cv_basic_types[T_ULONG], 4)->symt;
192 cv_basic_types[T_32PUQUAD] = &symt_new_pointer(module, cv_basic_types[T_UQUAD], 4)->symt;
193 cv_basic_types[T_32PBOOL08] = &symt_new_pointer(module, cv_basic_types[T_BOOL08], 4)->symt;
194 cv_basic_types[T_32PBOOL16] = &symt_new_pointer(module, cv_basic_types[T_BOOL16], 4)->symt;
195 cv_basic_types[T_32PBOOL32] = &symt_new_pointer(module, cv_basic_types[T_BOOL32], 4)->symt;
196 cv_basic_types[T_32PBOOL64] = &symt_new_pointer(module, cv_basic_types[T_BOOL64], 4)->symt;
197 cv_basic_types[T_32PREAL32] = &symt_new_pointer(module, cv_basic_types[T_REAL32], 4)->symt;
198 cv_basic_types[T_32PREAL64] = &symt_new_pointer(module, cv_basic_types[T_REAL64], 4)->symt;
199 cv_basic_types[T_32PREAL80] = &symt_new_pointer(module, cv_basic_types[T_REAL80], 4)->symt;
200 cv_basic_types[T_32PRCHAR] = &symt_new_pointer(module, cv_basic_types[T_RCHAR], 4)->symt;
201 cv_basic_types[T_32PWCHAR] = &symt_new_pointer(module, cv_basic_types[T_WCHAR], 4)->symt;
202 cv_basic_types[T_32PINT2] = &symt_new_pointer(module, cv_basic_types[T_INT2], 4)->symt;
203 cv_basic_types[T_32PUINT2] = &symt_new_pointer(module, cv_basic_types[T_UINT2], 4)->symt;
204 cv_basic_types[T_32PINT4] = &symt_new_pointer(module, cv_basic_types[T_INT4], 4)->symt;
205 cv_basic_types[T_32PUINT4] = &symt_new_pointer(module, cv_basic_types[T_UINT4], 4)->symt;
206 cv_basic_types[T_32PINT8] = &symt_new_pointer(module, cv_basic_types[T_INT8], 4)->symt;
207 cv_basic_types[T_32PUINT8] = &symt_new_pointer(module, cv_basic_types[T_UINT8], 4)->symt;
208 cv_basic_types[T_32PHRESULT]= &symt_new_pointer(module, cv_basic_types[T_HRESULT], 4)->symt;
209
210 cv_basic_types[T_64PVOID] = &symt_new_pointer(module, cv_basic_types[T_VOID], 8)->symt;
211 cv_basic_types[T_64PCHAR] = &symt_new_pointer(module, cv_basic_types[T_CHAR], 8)->symt;
212 cv_basic_types[T_64PSHORT] = &symt_new_pointer(module, cv_basic_types[T_SHORT], 8)->symt;
213 cv_basic_types[T_64PLONG] = &symt_new_pointer(module, cv_basic_types[T_LONG], 8)->symt;
214 cv_basic_types[T_64PQUAD] = &symt_new_pointer(module, cv_basic_types[T_QUAD], 8)->symt;
215 cv_basic_types[T_64PUCHAR] = &symt_new_pointer(module, cv_basic_types[T_UCHAR], 8)->symt;
216 cv_basic_types[T_64PUSHORT] = &symt_new_pointer(module, cv_basic_types[T_USHORT], 8)->symt;
217 cv_basic_types[T_64PULONG] = &symt_new_pointer(module, cv_basic_types[T_ULONG], 8)->symt;
218 cv_basic_types[T_64PUQUAD] = &symt_new_pointer(module, cv_basic_types[T_UQUAD], 8)->symt;
219 cv_basic_types[T_64PBOOL08] = &symt_new_pointer(module, cv_basic_types[T_BOOL08], 8)->symt;
220 cv_basic_types[T_64PBOOL16] = &symt_new_pointer(module, cv_basic_types[T_BOOL16], 8)->symt;
221 cv_basic_types[T_64PBOOL32] = &symt_new_pointer(module, cv_basic_types[T_BOOL32], 8)->symt;
222 cv_basic_types[T_64PBOOL64] = &symt_new_pointer(module, cv_basic_types[T_BOOL64], 8)->symt;
223 cv_basic_types[T_64PREAL32] = &symt_new_pointer(module, cv_basic_types[T_REAL32], 8)->symt;
224 cv_basic_types[T_64PREAL64] = &symt_new_pointer(module, cv_basic_types[T_REAL64], 8)->symt;
225 cv_basic_types[T_64PREAL80] = &symt_new_pointer(module, cv_basic_types[T_REAL80], 8)->symt;
226 cv_basic_types[T_64PRCHAR] = &symt_new_pointer(module, cv_basic_types[T_RCHAR], 8)->symt;
227 cv_basic_types[T_64PWCHAR] = &symt_new_pointer(module, cv_basic_types[T_WCHAR], 8)->symt;
228 cv_basic_types[T_64PINT2] = &symt_new_pointer(module, cv_basic_types[T_INT2], 8)->symt;
229 cv_basic_types[T_64PUINT2] = &symt_new_pointer(module, cv_basic_types[T_UINT2], 8)->symt;
230 cv_basic_types[T_64PINT4] = &symt_new_pointer(module, cv_basic_types[T_INT4], 8)->symt;
231 cv_basic_types[T_64PUINT4] = &symt_new_pointer(module, cv_basic_types[T_UINT4], 8)->symt;
232 cv_basic_types[T_64PINT8] = &symt_new_pointer(module, cv_basic_types[T_INT8], 8)->symt;
233 cv_basic_types[T_64PUINT8] = &symt_new_pointer(module, cv_basic_types[T_UINT8], 8)->symt;
234 cv_basic_types[T_64PHRESULT]= &symt_new_pointer(module, cv_basic_types[T_HRESULT], 8)->symt;
235 }
236
237 static int leaf_as_variant(VARIANT* v, const unsigned short int* leaf)
238 {
239 unsigned short int type = *leaf++;
240 int length = 2;
241
242 if (type < LF_NUMERIC)
243 {
244 v->n1.n2.vt = VT_UINT;
245 v->n1.n2.n3.uintVal = type;
246 }
247 else
248 {
249 switch (type)
250 {
251 case LF_CHAR:
252 length += 1;
253 v->n1.n2.vt = VT_I1;
254 v->n1.n2.n3.cVal = *(const char*)leaf;
255 break;
256
257 case LF_SHORT:
258 length += 2;
259 v->n1.n2.vt = VT_I2;
260 v->n1.n2.n3.iVal = *(const short*)leaf;
261 break;
262
263 case LF_USHORT:
264 length += 2;
265 v->n1.n2.vt = VT_UI2;
266 v->n1.n2.n3.uiVal = *leaf;
267 break;
268
269 case LF_LONG:
270 length += 4;
271 v->n1.n2.vt = VT_I4;
272 v->n1.n2.n3.lVal = *(const int*)leaf;
273 break;
274
275 case LF_ULONG:
276 length += 4;
277 v->n1.n2.vt = VT_UI4;
278 v->n1.n2.n3.uiVal = *(const unsigned int*)leaf;
279 break;
280
281 case LF_QUADWORD:
282 length += 8;
283 v->n1.n2.vt = VT_I8;
284 v->n1.n2.n3.llVal = *(const long long int*)leaf;
285 break;
286
287 case LF_UQUADWORD:
288 length += 8;
289 v->n1.n2.vt = VT_UI8;
290 v->n1.n2.n3.ullVal = *(const long long unsigned int*)leaf;
291 break;
292
293 case LF_REAL32:
294 length += 4;
295 v->n1.n2.vt = VT_R4;
296 v->n1.n2.n3.fltVal = *(const float*)leaf;
297 break;
298
299 case LF_REAL48:
300 FIXME("Unsupported numeric leaf type %04x\n", type);
301 length += 6;
302 v->n1.n2.vt = VT_EMPTY; /* FIXME */
303 break;
304
305 case LF_REAL64:
306 length += 8;
307 v->n1.n2.vt = VT_R8;
308 v->n1.n2.n3.fltVal = *(const double*)leaf;
309 break;
310
311 case LF_REAL80:
312 FIXME("Unsupported numeric leaf type %04x\n", type);
313 length += 10;
314 v->n1.n2.vt = VT_EMPTY; /* FIXME */
315 break;
316
317 case LF_REAL128:
318 FIXME("Unsupported numeric leaf type %04x\n", type);
319 length += 16;
320 v->n1.n2.vt = VT_EMPTY; /* FIXME */
321 break;
322
323 case LF_COMPLEX32:
324 FIXME("Unsupported numeric leaf type %04x\n", type);
325 length += 4;
326 v->n1.n2.vt = VT_EMPTY; /* FIXME */
327 break;
328
329 case LF_COMPLEX64:
330 FIXME("Unsupported numeric leaf type %04x\n", type);
331 length += 8;
332 v->n1.n2.vt = VT_EMPTY; /* FIXME */
333 break;
334
335 case LF_COMPLEX80:
336 FIXME("Unsupported numeric leaf type %04x\n", type);
337 length += 10;
338 v->n1.n2.vt = VT_EMPTY; /* FIXME */
339 break;
340
341 case LF_COMPLEX128:
342 FIXME("Unsupported numeric leaf type %04x\n", type);
343 length += 16;
344 v->n1.n2.vt = VT_EMPTY; /* FIXME */
345 break;
346
347 case LF_VARSTRING:
348 FIXME("Unsupported numeric leaf type %04x\n", type);
349 length += 2 + *leaf;
350 v->n1.n2.vt = VT_EMPTY; /* FIXME */
351 break;
352
353 default:
354 FIXME("Unknown numeric leaf type %04x\n", type);
355 v->n1.n2.vt = VT_EMPTY; /* FIXME */
356 break;
357 }
358 }
359
360 return length;
361 }
362
363 static int numeric_leaf(int* value, const unsigned short int* leaf)
364 {
365 unsigned short int type = *leaf++;
366 int length = 2;
367
368 if (type < LF_NUMERIC)
369 {
370 *value = type;
371 }
372 else
373 {
374 switch (type)
375 {
376 case LF_CHAR:
377 length += 1;
378 *value = *(const char*)leaf;
379 break;
380
381 case LF_SHORT:
382 length += 2;
383 *value = *(const short*)leaf;
384 break;
385
386 case LF_USHORT:
387 length += 2;
388 *value = *leaf;
389 break;
390
391 case LF_LONG:
392 length += 4;
393 *value = *(const int*)leaf;
394 break;
395
396 case LF_ULONG:
397 length += 4;
398 *value = *(const unsigned int*)leaf;
399 break;
400
401 case LF_QUADWORD:
402 case LF_UQUADWORD:
403 FIXME("Unsupported numeric leaf type %04x\n", type);
404 length += 8;
405 *value = 0; /* FIXME */
406 break;
407
408 case LF_REAL32:
409 FIXME("Unsupported numeric leaf type %04x\n", type);
410 length += 4;
411 *value = 0; /* FIXME */
412 break;
413
414 case LF_REAL48:
415 FIXME("Unsupported numeric leaf type %04x\n", type);
416 length += 6;
417 *value = 0; /* FIXME */
418 break;
419
420 case LF_REAL64:
421 FIXME("Unsupported numeric leaf type %04x\n", type);
422 length += 8;
423 *value = 0; /* FIXME */
424 break;
425
426 case LF_REAL80:
427 FIXME("Unsupported numeric leaf type %04x\n", type);
428 length += 10;
429 *value = 0; /* FIXME */
430 break;
431
432 case LF_REAL128:
433 FIXME("Unsupported numeric leaf type %04x\n", type);
434 length += 16;
435 *value = 0; /* FIXME */
436 break;
437
438 case LF_COMPLEX32:
439 FIXME("Unsupported numeric leaf type %04x\n", type);
440 length += 4;
441 *value = 0; /* FIXME */
442 break;
443
444 case LF_COMPLEX64:
445 FIXME("Unsupported numeric leaf type %04x\n", type);
446 length += 8;
447 *value = 0; /* FIXME */
448 break;
449
450 case LF_COMPLEX80:
451 FIXME("Unsupported numeric leaf type %04x\n", type);
452 length += 10;
453 *value = 0; /* FIXME */
454 break;
455
456 case LF_COMPLEX128:
457 FIXME("Unsupported numeric leaf type %04x\n", type);
458 length += 16;
459 *value = 0; /* FIXME */
460 break;
461
462 case LF_VARSTRING:
463 FIXME("Unsupported numeric leaf type %04x\n", type);
464 length += 2 + *leaf;
465 *value = 0; /* FIXME */
466 break;
467
468 default:
469 FIXME("Unknown numeric leaf type %04x\n", type);
470 *value = 0;
471 break;
472 }
473 }
474
475 return length;
476 }
477
478 /* convert a pascal string (as stored in debug information) into
479 * a C string (null terminated).
480 */
481 static const char* terminate_string(const struct p_string* p_name)
482 {
483 static char symname[256];
484
485 memcpy(symname, p_name->name, p_name->namelen);
486 symname[p_name->namelen] = '\0';
487
488 return (!*symname || strcmp(symname, "__unnamed") == 0) ? NULL : symname;
489 }
490
491 static struct symt* codeview_get_type(unsigned int typeno, BOOL quiet)
492 {
493 struct symt* symt = NULL;
494
495 /*
496 * Convert Codeview type numbers into something we can grok internally.
497 * Numbers < FIRST_DEFINABLE_TYPE are all fixed builtin types.
498 * Numbers from FIRST_DEFINABLE_TYPE and up are all user defined (structs, etc).
499 */
500 if (typeno < FIRST_DEFINABLE_TYPE)
501 {
502 if (typeno < MAX_BUILTIN_TYPES)
503 symt = cv_basic_types[typeno];
504 }
505 else
506 {
507 unsigned mod_index = typeno >> 24;
508 unsigned mod_typeno = typeno & 0x00FFFFFF;
509 struct cv_defined_module* mod;
510
511 mod = (mod_index == 0) ? cv_current_module : &cv_zmodules[mod_index];
512
513 if (mod_index >= CV_MAX_MODULES || !mod->allowed)
514 FIXME("Module of index %d isn't loaded yet (%x)\n", mod_index, typeno);
515 else
516 {
517 if (mod_typeno - FIRST_DEFINABLE_TYPE < mod->num_defined_types)
518 symt = mod->defined_types[mod_typeno - FIRST_DEFINABLE_TYPE];
519 }
520 }
521 if (!quiet && !symt && typeno) FIXME("Returning NULL symt for type-id %x\n", typeno);
522 return symt;
523 }
524
525 struct codeview_type_parse
526 {
527 struct module* module;
528 const BYTE* table;
529 const DWORD* offset;
530 DWORD num;
531 };
532
533 static inline const void* codeview_jump_to_type(const struct codeview_type_parse* ctp, DWORD idx)
534 {
535 if (idx < FIRST_DEFINABLE_TYPE) return NULL;
536 idx -= FIRST_DEFINABLE_TYPE;
537 return (idx >= ctp->num) ? NULL : (ctp->table + ctp->offset[idx]);
538 }
539
540 static int codeview_add_type(unsigned int typeno, struct symt* dt)
541 {
542 if (typeno < FIRST_DEFINABLE_TYPE)
543 FIXME("What the heck\n");
544 if (!cv_current_module)
545 {
546 FIXME("Adding %x to non allowed module\n", typeno);
547 return FALSE;
548 }
549 if ((typeno >> 24) != 0)
550 FIXME("No module index while inserting type-id assumption is wrong %x\n",
551 typeno);
552 if (typeno - FIRST_DEFINABLE_TYPE >= cv_current_module->num_defined_types)
553 {
554 if (cv_current_module->defined_types)
555 {
556 cv_current_module->num_defined_types = max( cv_current_module->num_defined_types * 2,
557 typeno - FIRST_DEFINABLE_TYPE + 1 );
558 cv_current_module->defined_types = HeapReAlloc(GetProcessHeap(),
559 HEAP_ZERO_MEMORY, cv_current_module->defined_types,
560 cv_current_module->num_defined_types * sizeof(struct symt*));
561 }
562 else
563 {
564 cv_current_module->num_defined_types = max( 256, typeno - FIRST_DEFINABLE_TYPE + 1 );
565 cv_current_module->defined_types = HeapAlloc(GetProcessHeap(),
566 HEAP_ZERO_MEMORY,
567 cv_current_module->num_defined_types * sizeof(struct symt*));
568 }
569 if (cv_current_module->defined_types == NULL) return FALSE;
570 }
571 if (cv_current_module->defined_types[typeno - FIRST_DEFINABLE_TYPE])
572 {
573 if (cv_current_module->defined_types[typeno - FIRST_DEFINABLE_TYPE] != dt)
574 FIXME("Overwriting at %x\n", typeno);
575 }
576 cv_current_module->defined_types[typeno - FIRST_DEFINABLE_TYPE] = dt;
577 return TRUE;
578 }
579
580 static void codeview_clear_type_table(void)
581 {
582 int i;
583
584 for (i = 0; i < CV_MAX_MODULES; i++)
585 {
586 if (cv_zmodules[i].allowed)
587 HeapFree(GetProcessHeap(), 0, cv_zmodules[i].defined_types);
588 cv_zmodules[i].allowed = FALSE;
589 cv_zmodules[i].defined_types = NULL;
590 cv_zmodules[i].num_defined_types = 0;
591 }
592 cv_current_module = NULL;
593 }
594
595 static struct symt* codeview_parse_one_type(struct codeview_type_parse* ctp,
596 unsigned curr_type,
597 const union codeview_type* type, BOOL details);
598
599 static void* codeview_cast_symt(struct symt* symt, enum SymTagEnum tag)
600 {
601 if (symt->tag != tag)
602 {
603 FIXME("Bad tag. Expected %d, but got %d\n", tag, symt->tag);
604 return NULL;
605 }
606 return symt;
607 }
608
609 static struct symt* codeview_fetch_type(struct codeview_type_parse* ctp,
610 unsigned typeno, BOOL details)
611 {
612 struct symt* symt;
613 const union codeview_type* p;
614
615 if (!typeno) return NULL;
616 if ((symt = codeview_get_type(typeno, TRUE))) return symt;
617
618 /* forward declaration */
619 if (!(p = codeview_jump_to_type(ctp, typeno)))
620 {
621 FIXME("Cannot locate type %x\n", typeno);
622 return NULL;
623 }
624 symt = codeview_parse_one_type(ctp, typeno, p, details);
625 if (!symt) FIXME("Couldn't load forward type %x\n", typeno);
626 return symt;
627 }
628
629 static struct symt* codeview_add_type_pointer(struct codeview_type_parse* ctp,
630 struct symt* existing,
631 unsigned int pointee_type)
632 {
633 struct symt* pointee;
634
635 if (existing)
636 {
637 existing = codeview_cast_symt(existing, SymTagPointerType);
638 return existing;
639 }
640 pointee = codeview_fetch_type(ctp, pointee_type, FALSE);
641 return &symt_new_pointer(ctp->module, pointee, sizeof(void *))->symt;
642 }
643
644 static struct symt* codeview_add_type_array(struct codeview_type_parse* ctp,
645 const char* name,
646 unsigned int elemtype,
647 unsigned int indextype,
648 unsigned int arr_len)
649 {
650 struct symt* elem = codeview_fetch_type(ctp, elemtype, FALSE);
651 struct symt* index = codeview_fetch_type(ctp, indextype, FALSE);
652
653 return &symt_new_array(ctp->module, 0, -arr_len, elem, index)->symt;
654 }
655
656 static int codeview_add_type_enum_field_list(struct module* module,
657 struct symt_enum* symt,
658 const union codeview_reftype* ref_type)
659 {
660 const unsigned char* ptr = ref_type->fieldlist.list;
661 const unsigned char* last = (const BYTE*)ref_type + ref_type->generic.len + 2;
662 const union codeview_fieldtype* type;
663
664 while (ptr < last)
665 {
666 if (*ptr >= 0xf0) /* LF_PAD... */
667 {
668 ptr += *ptr & 0x0f;
669 continue;
670 }
671
672 type = (const union codeview_fieldtype*)ptr;
673
674 switch (type->generic.id)
675 {
676 case LF_ENUMERATE_V1:
677 {
678 int value, vlen = numeric_leaf(&value, &type->enumerate_v1.value);
679 const struct p_string* p_name = (const struct p_string*)((const unsigned char*)&type->enumerate_v1.value + vlen);
680
681 symt_add_enum_element(module, symt, terminate_string(p_name), value);
682 ptr += 2 + 2 + vlen + (1 + p_name->namelen);
683 break;
684 }
685 case LF_ENUMERATE_V3:
686 {
687 int value, vlen = numeric_leaf(&value, &type->enumerate_v3.value);
688 const char* name = (const char*)&type->enumerate_v3.value + vlen;
689
690 symt_add_enum_element(module, symt, name, value);
691 ptr += 2 + 2 + vlen + (1 + strlen(name));
692 break;
693 }
694
695 default:
696 FIXME("Unsupported type %04x in ENUM field list\n", type->generic.id);
697 return FALSE;
698 }
699 }
700 return TRUE;
701 }
702
703 static void codeview_add_udt_element(struct codeview_type_parse* ctp,
704 struct symt_udt* symt, const char* name,
705 int value, unsigned type)
706 {
707 struct symt* subtype;
708 const union codeview_reftype*cv_type;
709
710 if ((cv_type = codeview_jump_to_type(ctp, type)))
711 {
712 switch (cv_type->generic.id)
713 {
714 case LF_BITFIELD_V1:
715 symt_add_udt_element(ctp->module, symt, name,
716 codeview_fetch_type(ctp, cv_type->bitfield_v1.type, FALSE),
717 (value << 3) + cv_type->bitfield_v1.bitoff,
718 cv_type->bitfield_v1.nbits);
719 return;
720 case LF_BITFIELD_V2:
721 symt_add_udt_element(ctp->module, symt, name,
722 codeview_fetch_type(ctp, cv_type->bitfield_v2.type, FALSE),
723 (value << 3) + cv_type->bitfield_v2.bitoff,
724 cv_type->bitfield_v2.nbits);
725 return;
726 }
727 }
728 subtype = codeview_fetch_type(ctp, type, FALSE);
729
730 if (subtype)
731 {
732 DWORD64 elem_size = 0;
733 symt_get_info(ctp->module, subtype, TI_GET_LENGTH, &elem_size);
734 symt_add_udt_element(ctp->module, symt, name, subtype,
735 value << 3, (DWORD)elem_size << 3);
736 }
737 }
738
739 static int codeview_add_type_struct_field_list(struct codeview_type_parse* ctp,
740 struct symt_udt* symt,
741 unsigned fieldlistno)
742 {
743 const unsigned char* ptr;
744 const unsigned char* last;
745 int value, leaf_len;
746 const struct p_string* p_name;
747 const char* c_name;
748 const union codeview_reftype*type_ref;
749 const union codeview_fieldtype* type;
750
751 if (!fieldlistno) return TRUE;
752 type_ref = codeview_jump_to_type(ctp, fieldlistno);
753 ptr = type_ref->fieldlist.list;
754 last = (const BYTE*)type_ref + type_ref->generic.len + 2;
755
756 while (ptr < last)
757 {
758 if (*ptr >= 0xf0) /* LF_PAD... */
759 {
760 ptr += *ptr & 0x0f;
761 continue;
762 }
763
764 type = (const union codeview_fieldtype*)ptr;
765
766 switch (type->generic.id)
767 {
768 case LF_BCLASS_V1:
769 leaf_len = numeric_leaf(&value, &type->bclass_v1.offset);
770
771 /* FIXME: ignored for now */
772
773 ptr += 2 + 2 + 2 + leaf_len;
774 break;
775
776 case LF_BCLASS_V2:
777 leaf_len = numeric_leaf(&value, &type->bclass_v2.offset);
778
779 /* FIXME: ignored for now */
780
781 ptr += 2 + 2 + 4 + leaf_len;
782 break;
783
784 case LF_VBCLASS_V1:
785 case LF_IVBCLASS_V1:
786 {
787 const unsigned short int* p_vboff;
788 int vpoff, vplen;
789 leaf_len = numeric_leaf(&value, &type->vbclass_v1.vbpoff);
790 p_vboff = (const unsigned short int*)((const char*)&type->vbclass_v1.vbpoff + leaf_len);
791 vplen = numeric_leaf(&vpoff, p_vboff);
792
793 /* FIXME: ignored for now */
794
795 ptr += 2 + 2 + 2 + 2 + leaf_len + vplen;
796 }
797 break;
798
799 case LF_VBCLASS_V2:
800 case LF_IVBCLASS_V2:
801 {
802 const unsigned short int* p_vboff;
803 int vpoff, vplen;
804 leaf_len = numeric_leaf(&value, &type->vbclass_v2.vbpoff);
805 p_vboff = (const unsigned short int*)((const char*)&type->vbclass_v2.vbpoff + leaf_len);
806 vplen = numeric_leaf(&vpoff, p_vboff);
807
808 /* FIXME: ignored for now */
809
810 ptr += 2 + 2 + 4 + 4 + leaf_len + vplen;
811 }
812 break;
813
814 case LF_MEMBER_V1:
815 leaf_len = numeric_leaf(&value, &type->member_v1.offset);
816 p_name = (const struct p_string*)((const char*)&type->member_v1.offset + leaf_len);
817
818 codeview_add_udt_element(ctp, symt, terminate_string(p_name), value,
819 type->member_v1.type);
820
821 ptr += 2 + 2 + 2 + leaf_len + (1 + p_name->namelen);
822 break;
823
824 case LF_MEMBER_V2:
825 leaf_len = numeric_leaf(&value, &type->member_v2.offset);
826 p_name = (const struct p_string*)((const unsigned char*)&type->member_v2.offset + leaf_len);
827
828 codeview_add_udt_element(ctp, symt, terminate_string(p_name), value,
829 type->member_v2.type);
830
831 ptr += 2 + 2 + 4 + leaf_len + (1 + p_name->namelen);
832 break;
833
834 case LF_MEMBER_V3:
835 leaf_len = numeric_leaf(&value, &type->member_v3.offset);
836 c_name = (const char*)&type->member_v3.offset + leaf_len;
837
838 codeview_add_udt_element(ctp, symt, c_name, value, type->member_v3.type);
839
840 ptr += 2 + 2 + 4 + leaf_len + (strlen(c_name) + 1);
841 break;
842
843 case LF_STMEMBER_V1:
844 /* FIXME: ignored for now */
845 ptr += 2 + 2 + 2 + (1 + type->stmember_v1.p_name.namelen);
846 break;
847
848 case LF_STMEMBER_V2:
849 /* FIXME: ignored for now */
850 ptr += 2 + 4 + 2 + (1 + type->stmember_v2.p_name.namelen);
851 break;
852
853 case LF_STMEMBER_V3:
854 /* FIXME: ignored for now */
855 ptr += 2 + 4 + 2 + (strlen(type->stmember_v3.name) + 1);
856 break;
857
858 case LF_METHOD_V1:
859 /* FIXME: ignored for now */
860 ptr += 2 + 2 + 2 + (1 + type->method_v1.p_name.namelen);
861 break;
862
863 case LF_METHOD_V2:
864 /* FIXME: ignored for now */
865 ptr += 2 + 2 + 4 + (1 + type->method_v2.p_name.namelen);
866 break;
867
868 case LF_METHOD_V3:
869 /* FIXME: ignored for now */
870 ptr += 2 + 2 + 4 + (strlen(type->method_v3.name) + 1);
871 break;
872
873 case LF_NESTTYPE_V1:
874 /* FIXME: ignored for now */
875 ptr += 2 + 2 + (1 + type->nesttype_v1.p_name.namelen);
876 break;
877
878 case LF_NESTTYPE_V2:
879 /* FIXME: ignored for now */
880 ptr += 2 + 2 + 4 + (1 + type->nesttype_v2.p_name.namelen);
881 break;
882
883 case LF_NESTTYPE_V3:
884 /* FIXME: ignored for now */
885 ptr += 2 + 2 + 4 + (strlen(type->nesttype_v3.name) + 1);
886 break;
887
888 case LF_VFUNCTAB_V1:
889 /* FIXME: ignored for now */
890 ptr += 2 + 2;
891 break;
892
893 case LF_VFUNCTAB_V2:
894 /* FIXME: ignored for now */
895 ptr += 2 + 2 + 4;
896 break;
897
898 case LF_ONEMETHOD_V1:
899 /* FIXME: ignored for now */
900 switch ((type->onemethod_v1.attribute >> 2) & 7)
901 {
902 case 4: case 6: /* (pure) introducing virtual method */
903 ptr += 2 + 2 + 2 + 4 + (1 + type->onemethod_virt_v1.p_name.namelen);
904 break;
905
906 default:
907 ptr += 2 + 2 + 2 + (1 + type->onemethod_v1.p_name.namelen);
908 break;
909 }
910 break;
911
912 case LF_ONEMETHOD_V2:
913 /* FIXME: ignored for now */
914 switch ((type->onemethod_v2.attribute >> 2) & 7)
915 {
916 case 4: case 6: /* (pure) introducing virtual method */
917 ptr += 2 + 2 + 4 + 4 + (1 + type->onemethod_virt_v2.p_name.namelen);
918 break;
919
920 default:
921 ptr += 2 + 2 + 4 + (1 + type->onemethod_v2.p_name.namelen);
922 break;
923 }
924 break;
925
926 case LF_ONEMETHOD_V3:
927 /* FIXME: ignored for now */
928 switch ((type->onemethod_v3.attribute >> 2) & 7)
929 {
930 case 4: case 6: /* (pure) introducing virtual method */
931 ptr += 2 + 2 + 4 + 4 + (strlen(type->onemethod_virt_v3.name) + 1);
932 break;
933
934 default:
935 ptr += 2 + 2 + 4 + (strlen(type->onemethod_v3.name) + 1);
936 break;
937 }
938 break;
939
940 default:
941 FIXME("Unsupported type %04x in STRUCT field list\n", type->generic.id);
942 return FALSE;
943 }
944 }
945
946 return TRUE;
947 }
948
949 static struct symt* codeview_add_type_enum(struct codeview_type_parse* ctp,
950 struct symt* existing,
951 const char* name,
952 unsigned fieldlistno,
953 unsigned basetype)
954 {
955 struct symt_enum* symt;
956
957 if (existing)
958 {
959 if (!(symt = codeview_cast_symt(existing, SymTagEnum))) return NULL;
960 /* should also check that all fields are the same */
961 }
962 else
963 {
964 symt = symt_new_enum(ctp->module, name,
965 codeview_fetch_type(ctp, basetype, FALSE));
966 if (fieldlistno)
967 {
968 const union codeview_reftype* fieldlist;
969 fieldlist = codeview_jump_to_type(ctp, fieldlistno);
970 codeview_add_type_enum_field_list(ctp->module, symt, fieldlist);
971 }
972 }
973 return &symt->symt;
974 }
975
976 static struct symt* codeview_add_type_struct(struct codeview_type_parse* ctp,
977 struct symt* existing,
978 const char* name, int structlen,
979 enum UdtKind kind, unsigned property)
980 {
981 struct symt_udt* symt;
982
983 /* if we don't have an existing type, try to find one with same name
984 * FIXME: what to do when several types in different CUs have same name ?
985 */
986 if (!existing)
987 {
988 void* ptr;
989 struct symt_ht* type;
990 struct hash_table_iter hti;
991
992 hash_table_iter_init(&ctp->module->ht_types, &hti, name);
993 while ((ptr = hash_table_iter_up(&hti)))
994 {
995 type = GET_ENTRY(ptr, struct symt_ht, hash_elt);
996
997 if (type->symt.tag == SymTagUDT &&
998 type->hash_elt.name && !strcmp(type->hash_elt.name, name))
999 {
1000 existing = &type->symt;
1001 break;
1002 }
1003 }
1004 }
1005 if (existing)
1006 {
1007 if (!(symt = codeview_cast_symt(existing, SymTagUDT))) return NULL;
1008 /* should also check that all fields are the same */
1009 if (!(property & 0x80)) /* 0x80 = forward declaration */
1010 {
1011 if (!symt->size) /* likely prior forward declaration, set UDT size */
1012 symt_set_udt_size(ctp->module, symt, structlen);
1013 else /* different UDT with same name, create a new type */
1014 existing = NULL;
1015 }
1016 }
1017 if (!existing) symt = symt_new_udt(ctp->module, name, structlen, kind);
1018
1019 return &symt->symt;
1020 }
1021
1022 static struct symt* codeview_new_func_signature(struct codeview_type_parse* ctp,
1023 struct symt* existing,
1024 enum CV_call_e call_conv)
1025 {
1026 struct symt_function_signature* sym;
1027
1028 if (existing)
1029 {
1030 sym = codeview_cast_symt(existing, SymTagFunctionType);
1031 if (!sym) return NULL;
1032 }
1033 else
1034 {
1035 sym = symt_new_function_signature(ctp->module, NULL, call_conv);
1036 }
1037 return &sym->symt;
1038 }
1039
1040 static void codeview_add_func_signature_args(struct codeview_type_parse* ctp,
1041 struct symt_function_signature* sym,
1042 unsigned ret_type,
1043 unsigned args_list)
1044 {
1045 const union codeview_reftype* reftype;
1046
1047 sym->rettype = codeview_fetch_type(ctp, ret_type, FALSE);
1048 if (args_list && (reftype = codeview_jump_to_type(ctp, args_list)))
1049 {
1050 unsigned int i;
1051 switch (reftype->generic.id)
1052 {
1053 case LF_ARGLIST_V1:
1054 for (i = 0; i < reftype->arglist_v1.num; i++)
1055 symt_add_function_signature_parameter(ctp->module, sym,
1056 codeview_fetch_type(ctp, reftype->arglist_v1.args[i], FALSE));
1057 break;
1058 case LF_ARGLIST_V2:
1059 for (i = 0; i < reftype->arglist_v2.num; i++)
1060 symt_add_function_signature_parameter(ctp->module, sym,
1061 codeview_fetch_type(ctp, reftype->arglist_v2.args[i], FALSE));
1062 break;
1063 default:
1064 FIXME("Unexpected leaf %x for signature's pmt\n", reftype->generic.id);
1065 }
1066 }
1067 }
1068
1069 static struct symt* codeview_parse_one_type(struct codeview_type_parse* ctp,
1070 unsigned curr_type,
1071 const union codeview_type* type, BOOL details)
1072 {
1073 struct symt* symt;
1074 int value, leaf_len;
1075 const struct p_string* p_name;
1076 const char* c_name;
1077 struct symt* existing;
1078
1079 existing = codeview_get_type(curr_type, TRUE);
1080
1081 switch (type->generic.id)
1082 {
1083 case LF_MODIFIER_V1:
1084 /* FIXME: we don't handle modifiers,
1085 * but read previous type on the curr_type
1086 */
1087 WARN("Modifier on %x: %s%s%s%s\n",
1088 type->modifier_v1.type,
1089 type->modifier_v1.attribute & 0x01 ? "const " : "",
1090 type->modifier_v1.attribute & 0x02 ? "volatile " : "",
1091 type->modifier_v1.attribute & 0x04 ? "unaligned " : "",
1092 type->modifier_v1.attribute & ~0x07 ? "unknown " : "");
1093 symt = codeview_fetch_type(ctp, type->modifier_v1.type, details);
1094 break;
1095 case LF_MODIFIER_V2:
1096 /* FIXME: we don't handle modifiers, but readd previous type on the curr_type */
1097 WARN("Modifier on %x: %s%s%s%s\n",
1098 type->modifier_v2.type,
1099 type->modifier_v2.attribute & 0x01 ? "const " : "",
1100 type->modifier_v2.attribute & 0x02 ? "volatile " : "",
1101 type->modifier_v2.attribute & 0x04 ? "unaligned " : "",
1102 type->modifier_v2.attribute & ~0x07 ? "unknown " : "");
1103 symt = codeview_fetch_type(ctp, type->modifier_v2.type, details);
1104 break;
1105
1106 case LF_POINTER_V1:
1107 symt = codeview_add_type_pointer(ctp, existing, type->pointer_v1.datatype);
1108 break;
1109 case LF_POINTER_V2:
1110 symt = codeview_add_type_pointer(ctp, existing, type->pointer_v2.datatype);
1111 break;
1112
1113 case LF_ARRAY_V1:
1114 if (existing) symt = codeview_cast_symt(existing, SymTagArrayType);
1115 else
1116 {
1117 leaf_len = numeric_leaf(&value, &type->array_v1.arrlen);
1118 p_name = (const struct p_string*)((const unsigned char*)&type->array_v1.arrlen + leaf_len);
1119 symt = codeview_add_type_array(ctp, terminate_string(p_name),
1120 type->array_v1.elemtype,
1121 type->array_v1.idxtype, value);
1122 }
1123 break;
1124 case LF_ARRAY_V2:
1125 if (existing) symt = codeview_cast_symt(existing, SymTagArrayType);
1126 else
1127 {
1128 leaf_len = numeric_leaf(&value, &type->array_v2.arrlen);
1129 p_name = (const struct p_string*)((const unsigned char*)&type->array_v2.arrlen + leaf_len);
1130
1131 symt = codeview_add_type_array(ctp, terminate_string(p_name),
1132 type->array_v2.elemtype,
1133 type->array_v2.idxtype, value);
1134 }
1135 break;
1136 case LF_ARRAY_V3:
1137 if (existing) symt = codeview_cast_symt(existing, SymTagArrayType);
1138 else
1139 {
1140 leaf_len = numeric_leaf(&value, &type->array_v3.arrlen);
1141 c_name = (const char*)&type->array_v3.arrlen + leaf_len;
1142
1143 symt = codeview_add_type_array(ctp, c_name,
1144 type->array_v3.elemtype,
1145 type->array_v3.idxtype, value);
1146 }
1147 break;
1148
1149 case LF_STRUCTURE_V1:
1150 case LF_CLASS_V1:
1151 leaf_len = numeric_leaf(&value, &type->struct_v1.structlen);
1152 p_name = (const struct p_string*)((const unsigned char*)&type->struct_v1.structlen + leaf_len);
1153 symt = codeview_add_type_struct(ctp, existing, terminate_string(p_name), value,
1154 type->generic.id == LF_CLASS_V1 ? UdtClass : UdtStruct,
1155 type->struct_v1.property);
1156 if (details)
1157 {
1158 codeview_add_type(curr_type, symt);
1159 codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
1160 type->struct_v1.fieldlist);
1161 }
1162 break;
1163
1164 case LF_STRUCTURE_V2:
1165 case LF_CLASS_V2:
1166 leaf_len = numeric_leaf(&value, &type->struct_v2.structlen);
1167 p_name = (const struct p_string*)((const unsigned char*)&type->struct_v2.structlen + leaf_len);
1168 symt = codeview_add_type_struct(ctp, existing, terminate_string(p_name), value,
1169 type->generic.id == LF_CLASS_V2 ? UdtClass : UdtStruct,
1170 type->struct_v2.property);
1171 if (details)
1172 {
1173 codeview_add_type(curr_type, symt);
1174 codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
1175 type->struct_v2.fieldlist);
1176 }
1177 break;
1178
1179 case LF_STRUCTURE_V3:
1180 case LF_CLASS_V3:
1181 leaf_len = numeric_leaf(&value, &type->struct_v3.structlen);
1182 c_name = (const char*)&type->struct_v3.structlen + leaf_len;
1183 symt = codeview_add_type_struct(ctp, existing, c_name, value,
1184 type->generic.id == LF_CLASS_V3 ? UdtClass : UdtStruct,
1185 type->struct_v3.property);
1186 if (details)
1187 {
1188 codeview_add_type(curr_type, symt);
1189 codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
1190 type->struct_v3.fieldlist);
1191 }
1192 break;
1193
1194 case LF_UNION_V1:
1195 leaf_len = numeric_leaf(&value, &type->union_v1.un_len);
1196 p_name = (const struct p_string*)((const unsigned char*)&type->union_v1.un_len + leaf_len);
1197 symt = codeview_add_type_struct(ctp, existing, terminate_string(p_name),
1198 value, UdtUnion, type->union_v1.property);
1199 if (details)
1200 {
1201 codeview_add_type(curr_type, symt);
1202 codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
1203 type->union_v1.fieldlist);
1204 }
1205 break;
1206
1207 case LF_UNION_V2:
1208 leaf_len = numeric_leaf(&value, &type->union_v2.un_len);
1209 p_name = (const struct p_string*)((const unsigned char*)&type->union_v2.un_len + leaf_len);
1210 symt = codeview_add_type_struct(ctp, existing, terminate_string(p_name),
1211 value, UdtUnion, type->union_v2.property);
1212 if (details)
1213 {
1214 codeview_add_type(curr_type, symt);
1215 codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
1216 type->union_v2.fieldlist);
1217 }
1218 break;
1219
1220 case LF_UNION_V3:
1221 leaf_len = numeric_leaf(&value, &type->union_v3.un_len);
1222 c_name = (const char*)&type->union_v3.un_len + leaf_len;
1223 symt = codeview_add_type_struct(ctp, existing, c_name,
1224 value, UdtUnion, type->union_v3.property);
1225 if (details)
1226 {
1227 codeview_add_type(curr_type, symt);
1228 codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
1229 type->union_v3.fieldlist);
1230 }
1231 break;
1232
1233 case LF_ENUM_V1:
1234 symt = codeview_add_type_enum(ctp, existing,
1235 terminate_string(&type->enumeration_v1.p_name),
1236 type->enumeration_v1.fieldlist,
1237 type->enumeration_v1.type);
1238 break;
1239
1240 case LF_ENUM_V2:
1241 symt = codeview_add_type_enum(ctp, existing,
1242 terminate_string(&type->enumeration_v2.p_name),
1243 type->enumeration_v2.fieldlist,
1244 type->enumeration_v2.type);
1245 break;
1246
1247 case LF_ENUM_V3:
1248 symt = codeview_add_type_enum(ctp, existing, type->enumeration_v3.name,
1249 type->enumeration_v3.fieldlist,
1250 type->enumeration_v3.type);
1251 break;
1252
1253 case LF_PROCEDURE_V1:
1254 symt = codeview_new_func_signature(ctp, existing, type->procedure_v1.call);
1255 if (details)
1256 {
1257 codeview_add_type(curr_type, symt);
1258 codeview_add_func_signature_args(ctp,
1259 (struct symt_function_signature*)symt,
1260 type->procedure_v1.rvtype,
1261 type->procedure_v1.arglist);
1262 }
1263 break;
1264 case LF_PROCEDURE_V2:
1265 symt = codeview_new_func_signature(ctp, existing,type->procedure_v2.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_v2.rvtype,
1272 type->procedure_v2.arglist);
1273 }
1274 break;
1275
1276 case LF_MFUNCTION_V1:
1277 /* FIXME: for C++, this is plain wrong, but as we don't use arg types
1278 * nor class information, this would just do for now
1279 */
1280 symt = codeview_new_func_signature(ctp, existing, type->mfunction_v1.call);
1281 if (details)
1282 {
1283 codeview_add_type(curr_type, symt);
1284 codeview_add_func_signature_args(ctp,
1285 (struct symt_function_signature*)symt,
1286 type->mfunction_v1.rvtype,
1287 type->mfunction_v1.arglist);
1288 }
1289 break;
1290 case LF_MFUNCTION_V2:
1291 /* FIXME: for C++, this is plain wrong, but as we don't use arg types
1292 * nor class information, this would just do for now
1293 */
1294 symt = codeview_new_func_signature(ctp, existing, type->mfunction_v2.call);
1295 if (details)
1296 {
1297 codeview_add_type(curr_type, symt);
1298 codeview_add_func_signature_args(ctp,
1299 (struct symt_function_signature*)symt,
1300 type->mfunction_v2.rvtype,
1301 type->mfunction_v2.arglist);
1302 }
1303 break;
1304
1305 case LF_VTSHAPE_V1:
1306 /* this is an ugly hack... FIXME when we have C++ support */
1307 if (!(symt = existing))
1308 {
1309 char buf[128];
1310 snprintf(buf, sizeof(buf), "__internal_vt_shape_%x\n", curr_type);
1311 symt = &symt_new_udt(ctp->module, buf, 0, UdtStruct)->symt;
1312 }
1313 break;
1314 default:
1315 FIXME("Unsupported type-id leaf %x\n", type->generic.id);
1316 dump(type, 2 + type->generic.len);
1317 return FALSE;
1318 }
1319 return codeview_add_type(curr_type, symt) ? symt : NULL;
1320 }
1321
1322 static int codeview_parse_type_table(struct codeview_type_parse* ctp)
1323 {
1324 unsigned int curr_type = FIRST_DEFINABLE_TYPE;
1325 const union codeview_type* type;
1326
1327 for (curr_type = FIRST_DEFINABLE_TYPE; curr_type < FIRST_DEFINABLE_TYPE + ctp->num; curr_type++)
1328 {
1329 type = codeview_jump_to_type(ctp, curr_type);
1330
1331 /* type records we're interested in are the ones referenced by symbols
1332 * The known ranges are (X mark the ones we want):
1333 * X 0000-0016 for V1 types
1334 * 0200-020c for V1 types referenced by other types
1335 * 0400-040f for V1 types (complex lists & sets)
1336 * X 1000-100f for V2 types
1337 * 1200-120c for V2 types referenced by other types
1338 * 1400-140f for V1 types (complex lists & sets)
1339 * X 1500-150d for V3 types
1340 * 8000-8010 for numeric leafes
1341 */
1342 if (!(type->generic.id & 0x8600) || (type->generic.id & 0x0100))
1343 codeview_parse_one_type(ctp, curr_type, type, TRUE);
1344 }
1345
1346 return TRUE;
1347 }
1348
1349 /*========================================================================
1350 * Process CodeView line number information.
1351 */
1352 static unsigned long codeview_get_address(const struct msc_debug_info* msc_dbg,
1353 unsigned seg, unsigned offset);
1354
1355 static void codeview_snarf_linetab(const struct msc_debug_info* msc_dbg, const BYTE* linetab,
1356 int size, BOOL pascal_str)
1357 {
1358 const BYTE* ptr = linetab;
1359 int nfile, nseg;
1360 int i, j, k;
1361 const unsigned int* filetab;
1362 const unsigned int* lt_ptr;
1363 const unsigned short* linenos;
1364 const struct startend* start;
1365 unsigned source;
1366 unsigned long addr, func_addr0;
1367 struct symt_function* func;
1368 const struct codeview_linetab_block* ltb;
1369
1370 nfile = *(const short*)linetab;
1371 filetab = (const unsigned int*)(linetab + 2 * sizeof(short));
1372
1373 for (i = 0; i < nfile; i++)
1374 {
1375 ptr = linetab + filetab[i];
1376 nseg = *(const short*)ptr;
1377 lt_ptr = (const unsigned int*)(ptr + 2 * sizeof(short));
1378 start = (const struct startend*)(lt_ptr + nseg);
1379
1380 /*
1381 * Now snarf the filename for all of the segments for this file.
1382 */
1383 if (pascal_str)
1384 source = source_new(msc_dbg->module, NULL, terminate_string((const struct p_string*)(start + nseg)));
1385 else
1386 source = source_new(msc_dbg->module, NULL, (const char*)(start + nseg));
1387
1388 for (j = 0; j < nseg; j++)
1389 {
1390 ltb = (const struct codeview_linetab_block*)(linetab + *lt_ptr++);
1391 linenos = (const unsigned short*)&ltb->offsets[ltb->num_lines];
1392 func_addr0 = codeview_get_address(msc_dbg, ltb->seg, start[j].start);
1393 if (!func_addr0) continue;
1394 for (func = NULL, k = 0; k < ltb->num_lines; k++)
1395 {
1396 /* now locate function (if any) */
1397 addr = func_addr0 + ltb->offsets[k] - start[j].start;
1398 /* unfortunetaly, we can have several functions in the same block, if there's no
1399 * gap between them... find the new function if needed
1400 */
1401 if (!func || addr >= func->address + func->size)
1402 {
1403 func = (struct symt_function*)symt_find_nearest(msc_dbg->module, addr);
1404 /* FIXME: at least labels support line numbers */
1405 if (!func || func->symt.tag != SymTagFunction)
1406 {
1407 WARN("--not a func at %04x:%08x %lx tag=%d\n",
1408 ltb->seg, ltb->offsets[k], addr, func ? func->symt.tag : -1);
1409 func = NULL;
1410 break;
1411 }
1412 }
1413 symt_add_func_line(msc_dbg->module, func, source,
1414 linenos[k], addr - func->address);
1415 }
1416 }
1417 }
1418 }
1419
1420 static void codeview_snarf_linetab2(const struct msc_debug_info* msc_dbg, const BYTE* linetab, DWORD size,
1421 const char* strimage, DWORD strsize)
1422 {
1423 unsigned i;
1424 DWORD_PTR addr;
1425 const struct codeview_linetab2* lt2;
1426 const struct codeview_linetab2* lt2_files = NULL;
1427 const struct codeview_lt2blk_lines* lines_blk;
1428 const struct codeview_linetab2_file*fd;
1429 unsigned source;
1430 struct symt_function* func;
1431
1432 /* locate LT2_FILES_BLOCK (if any) */
1433 lt2 = (const struct codeview_linetab2*)linetab;
1434 while ((const BYTE*)(lt2 + 1) < linetab + size)
1435 {
1436 if (lt2->header == LT2_FILES_BLOCK)
1437 {
1438 lt2_files = lt2;
1439 break;
1440 }
1441 lt2 = codeview_linetab2_next_block(lt2);
1442 }
1443 if (!lt2_files)
1444 {
1445 TRACE("No LT2_FILES_BLOCK found\n");
1446 return;
1447 }
1448
1449 lt2 = (const struct codeview_linetab2*)linetab;
1450 while ((const BYTE*)(lt2 + 1) < linetab + size)
1451 {
1452 /* FIXME: should also check that whole lines_blk fits in linetab + size */
1453 switch (lt2->header)
1454 {
1455 case LT2_LINES_BLOCK:
1456 lines_blk = (const struct codeview_lt2blk_lines*)lt2;
1457 /* FIXME: should check that file_offset is within the LT2_FILES_BLOCK we've seen */
1458 addr = codeview_get_address(msc_dbg, lines_blk->seg, lines_blk->start);
1459 TRACE("block from %04x:%08x #%x (%x lines)\n",
1460 lines_blk->seg, lines_blk->start, lines_blk->size, lines_blk->nlines);
1461 fd = (const struct codeview_linetab2_file*)((const char*)lt2_files + 8 + lines_blk->file_offset);
1462 /* FIXME: should check that string is within strimage + strsize */
1463 source = source_new(msc_dbg->module, NULL, strimage + fd->offset);
1464 func = (struct symt_function*)symt_find_nearest(msc_dbg->module, addr);
1465 /* FIXME: at least labels support line numbers */
1466 if (!func || func->symt.tag != SymTagFunction)
1467 {
1468 WARN("--not a func at %04x:%08x %lx tag=%d\n",
1469 lines_blk->seg, lines_blk->start, addr, func ? func->symt.tag : -1);
1470 break;
1471 }
1472 for (i = 0; i < lines_blk->nlines; i++)
1473 {
1474 symt_add_func_line(msc_dbg->module, func, source,
1475 lines_blk->l[i].lineno ^ 0x80000000,
1476 lines_blk->l[i].offset);
1477 }
1478 break;
1479 case LT2_FILES_BLOCK: /* skip */
1480 break;
1481 default:
1482 TRACE("Block end %x\n", lt2->header);
1483 lt2 = (const struct codeview_linetab2*)((const char*)linetab + size);
1484 continue;
1485 }
1486 lt2 = codeview_linetab2_next_block(lt2);
1487 }
1488 }
1489
1490 /*========================================================================
1491 * Process CodeView symbol information.
1492 */
1493
1494 static unsigned int codeview_map_offset(const struct msc_debug_info* msc_dbg,
1495 unsigned int offset)
1496 {
1497 int nomap = msc_dbg->nomap;
1498 const OMAP_DATA* omapp = msc_dbg->omapp;
1499 int i;
1500
1501 if (!nomap || !omapp) return offset;
1502
1503 /* FIXME: use binary search */
1504 for (i = 0; i < nomap - 1; i++)
1505 if (omapp[i].from <= offset && omapp[i+1].from > offset)
1506 return !omapp[i].to ? 0 : omapp[i].to + (offset - omapp[i].from);
1507
1508 return 0;
1509 }
1510
1511 static unsigned long codeview_get_address(const struct msc_debug_info* msc_dbg,
1512 unsigned seg, unsigned offset)
1513 {
1514 int nsect = msc_dbg->nsect;
1515 const IMAGE_SECTION_HEADER* sectp = msc_dbg->sectp;
1516
1517 if (!seg || seg > nsect) return 0;
1518 return msc_dbg->module->module.BaseOfImage +
1519 codeview_map_offset(msc_dbg, sectp[seg-1].VirtualAddress + offset);
1520 }
1521
1522 static inline void codeview_add_variable(const struct msc_debug_info* msc_dbg,
1523 struct symt_compiland* compiland,
1524 const char* name,
1525 unsigned segment, unsigned offset,
1526 unsigned symtype, BOOL is_local, BOOL in_tls, BOOL force)
1527 {
1528 if (name && *name)
1529 {
1530 struct location loc;
1531
1532 loc.kind = in_tls ? loc_tlsrel : loc_absolute;
1533 loc.reg = 0;
1534 loc.offset = in_tls ? offset : codeview_get_address(msc_dbg, segment, offset);
1535 if (force || in_tls || !symt_find_nearest(msc_dbg->module, loc.offset))
1536 {
1537 symt_new_global_variable(msc_dbg->module, compiland,
1538 name, is_local, loc, 0,
1539 codeview_get_type(symtype, FALSE));
1540 }
1541 }
1542 }
1543
1544 static int codeview_snarf(const struct msc_debug_info* msc_dbg, const BYTE* root,
1545 int offset, int size, BOOL do_globals)
1546 {
1547 struct symt_function* curr_func = NULL;
1548 int i, length;
1549 struct symt_block* block = NULL;
1550 struct symt* symt;
1551 const char* name;
1552 struct symt_compiland* compiland = NULL;
1553 struct location loc;
1554
1555 /*
1556 * Loop over the different types of records and whenever we
1557 * find something we are interested in, record it and move on.
1558 */
1559 for (i = offset; i < size; i += length)
1560 {
1561 const union codeview_symbol* sym = (const union codeview_symbol*)(root + i);
1562 length = sym->generic.len + 2;
1563 if (i + length > size) break;
1564 if (!sym->generic.id || length < 4) break;
1565 if (length & 3) FIXME("unpadded len %u\n", length);
1566
1567 switch (sym->generic.id)
1568 {
1569 /*
1570 * Global and local data symbols. We don't associate these
1571 * with any given source file.
1572 */
1573 case S_GDATA_V1:
1574 case S_LDATA_V1:
1575 if (do_globals)
1576 codeview_add_variable(msc_dbg, compiland, terminate_string(&sym->data_v1.p_name),
1577 sym->data_v1.segment, sym->data_v1.offset, sym->data_v1.symtype,
1578 sym->generic.id == S_LDATA_V1, FALSE, TRUE);
1579 break;
1580 case S_GDATA_V2:
1581 case S_LDATA_V2:
1582 if (do_globals)
1583 codeview_add_variable(msc_dbg, compiland, terminate_string(&sym->data_v2.p_name),
1584 sym->data_v2.segment, sym->data_v2.offset, sym->data_v2.symtype,
1585 sym->generic.id == S_LDATA_V2, FALSE, TRUE);
1586 break;
1587 case S_GDATA_V3:
1588 case S_LDATA_V3:
1589 if (do_globals)
1590 codeview_add_variable(msc_dbg, compiland, sym->data_v3.name,
1591 sym->data_v3.segment, sym->data_v3.offset, sym->data_v3.symtype,
1592 sym->generic.id == S_LDATA_V3, FALSE, TRUE);
1593 break;
1594
1595 /* variables with thread storage */
1596 case S_GTHREAD_V1:
1597 case S_LTHREAD_V1:
1598 if (do_globals)
1599 codeview_add_variable(msc_dbg, compiland, terminate_string(&sym->thread_v1.p_name),
1600 sym->thread_v1.segment, sym->thread_v1.offset, sym->thread_v1.symtype,
1601 sym->generic.id == S_LTHREAD_V1, TRUE, TRUE);
1602 break;
1603 case S_GTHREAD_V2:
1604 case S_LTHREAD_V2:
1605 if (do_globals)
1606 codeview_add_variable(msc_dbg, compiland, terminate_string(&sym->thread_v2.p_name),
1607 sym->thread_v2.segment, sym->thread_v2.offset, sym->thread_v2.symtype,
1608 sym->generic.id == S_LTHREAD_V2, TRUE, TRUE);
1609 break;
1610 case S_GTHREAD_V3:
1611 case S_LTHREAD_V3:
1612 if (do_globals)
1613 codeview_add_variable(msc_dbg, compiland, sym->thread_v3.name,
1614 sym->thread_v3.segment, sym->thread_v3.offset, sym->thread_v3.symtype,
1615 sym->generic.id == S_LTHREAD_V3, TRUE, TRUE);
1616 break;
1617
1618 /* Public symbols */
1619 case S_PUB_V1:
1620 case S_PUB_V2:
1621 case S_PUB_V3:
1622 case S_PUB_FUNC1_V3:
1623 case S_PUB_FUNC2_V3:
1624 /* will be handled later on in codeview_snarf_public */
1625 break;
1626
1627 /*
1628 * Sort of like a global function, but it just points
1629 * to a thunk, which is a stupid name for what amounts to
1630 * a PLT slot in the normal jargon that everyone else uses.
1631 */
1632 case S_THUNK_V1:
1633 symt_new_thunk(msc_dbg->module, compiland,
1634 terminate_string(&sym->thunk_v1.p_name), sym->thunk_v1.thtype,
1635 codeview_get_address(msc_dbg, sym->thunk_v1.segment, sym->thunk_v1.offset),
1636 sym->thunk_v1.thunk_len);
1637 break;
1638 case S_THUNK_V3:
1639 symt_new_thunk(msc_dbg->module, compiland,
1640 sym->thunk_v3.name, sym->thunk_v3.thtype,
1641 codeview_get_address(msc_dbg, sym->thunk_v3.segment, sym->thunk_v3.offset),
1642 sym->thunk_v3.thunk_len);
1643 break;
1644
1645 /*
1646 * Global and static functions.
1647 */
1648 case S_GPROC_V1:
1649 case S_LPROC_V1:
1650 if (curr_func) FIXME("nested function\n");
1651 curr_func = symt_new_function(msc_dbg->module, compiland,
1652 terminate_string(&sym->proc_v1.p_name),
1653 codeview_get_address(msc_dbg, sym->proc_v1.segment, sym->proc_v1.offset),
1654 sym->proc_v1.proc_len,
1655 codeview_get_type(sym->proc_v1.proctype, FALSE));
1656 loc.kind = loc_absolute;
1657 loc.offset = sym->proc_v1.debug_start;
1658 symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugStart, &loc, NULL);
1659 loc.offset = sym->proc_v1.debug_end;
1660 symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugEnd, &loc, NULL);
1661 break;
1662 case S_GPROC_V2:
1663 case S_LPROC_V2:
1664 if (curr_func) FIXME("nested function\n");
1665 curr_func = symt_new_function(msc_dbg->module, compiland,
1666 terminate_string(&sym->proc_v2.p_name),
1667 codeview_get_address(msc_dbg, sym->proc_v2.segment, sym->proc_v2.offset),
1668 sym->proc_v2.proc_len,
1669 codeview_get_type(sym->proc_v2.proctype, FALSE));
1670 loc.kind = loc_absolute;
1671 loc.offset = sym->proc_v2.debug_start;
1672 symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugStart, &loc, NULL);
1673 loc.offset = sym->proc_v2.debug_end;
1674 symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugEnd, &loc, NULL);
1675 break;
1676 case S_GPROC_V3:
1677 case S_LPROC_V3:
1678 if (curr_func) FIXME("nested function\n");
1679 curr_func = symt_new_function(msc_dbg->module, compiland,
1680 sym->proc_v3.name,
1681 codeview_get_address(msc_dbg, sym->proc_v3.segment, sym->proc_v3.offset),
1682 sym->proc_v3.proc_len,
1683 codeview_get_type(sym->proc_v3.proctype, FALSE));
1684 loc.kind = loc_absolute;
1685 loc.offset = sym->proc_v3.debug_start;
1686 symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugStart, &loc, NULL);
1687 loc.offset = sym->proc_v3.debug_end;
1688 symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugEnd, &loc, NULL);
1689 break;
1690 /*
1691 * Function parameters and stack variables.
1692 */
1693 case S_BPREL_V1:
1694 loc.kind = loc_regrel;
1695 /* Yes, it's i386 dependent, but that's the symbol purpose. S_REGREL is used on other CPUs */
1696 loc.reg = CV_REG_EBP;
1697 loc.offset = sym->stack_v1.offset;
1698 symt_add_func_local(msc_dbg->module, curr_func,
1699 sym->stack_v1.offset > 0 ? DataIsParam : DataIsLocal,
1700 &loc, block,
1701 codeview_get_type(sym->stack_v1.symtype, FALSE),
1702 terminate_string(&sym->stack_v1.p_name));
1703 break;
1704 case S_BPREL_V2:
1705 loc.kind = loc_regrel;
1706 /* Yes, it's i386 dependent, but that's the symbol purpose. S_REGREL is used on other CPUs */
1707 loc.reg = CV_REG_EBP;
1708 loc.offset = sym->stack_v2.offset;
1709 symt_add_func_local(msc_dbg->module, curr_func,
1710 sym->stack_v2.offset > 0 ? DataIsParam : DataIsLocal,
1711 &loc, block,
1712 codeview_get_type(sym->stack_v2.symtype, FALSE),
1713 terminate_string(&sym->stack_v2.p_name));
1714 break;
1715 case S_BPREL_V3:
1716 loc.kind = loc_regrel;
1717 /* Yes, it's i386 dependent, but that's the symbol purpose. S_REGREL is used on other CPUs */
1718 loc.reg = CV_REG_EBP;
1719 loc.offset = sym->stack_v3.offset;
1720 symt_add_func_local(msc_dbg->module, curr_func,
1721 sym->stack_v3.offset > 0 ? DataIsParam : DataIsLocal,
1722 &loc, block,
1723 codeview_get_type(sym->stack_v3.symtype, FALSE),
1724 sym->stack_v3.name);
1725 break;
1726 case S_REGREL_V3:
1727 loc.kind = loc_regrel;
1728 loc.reg = sym->regrel_v3.reg;
1729 loc.offset = sym->regrel_v3.offset;
1730 symt_add_func_local(msc_dbg->module, curr_func,
1731 /* FIXME this is wrong !!! */
1732 sym->regrel_v3.offset > 0 ? DataIsParam : DataIsLocal,
1733 &loc, block,
1734 codeview_get_type(sym->regrel_v3.symtype, FALSE),
1735 sym->regrel_v3.name);
1736 break;
1737
1738 case S_REGISTER_V1:
1739 loc.kind = loc_register;
1740 loc.reg = sym->register_v1.reg;
1741 loc.offset = 0;
1742 symt_add_func_local(msc_dbg->module, curr_func,
1743 DataIsLocal, &loc,
1744 block, codeview_get_type(sym->register_v1.type, FALSE),
1745 terminate_string(&sym->register_v1.p_name));
1746 break;
1747 case S_REGISTER_V2:
1748 loc.kind = loc_register;
1749 loc.reg = sym->register_v2.reg;
1750 loc.offset = 0;
1751 symt_add_func_local(msc_dbg->module, curr_func,
1752 DataIsLocal, &loc,
1753 block, codeview_get_type(sym->register_v2.type, FALSE),
1754 terminate_string(&sym->register_v2.p_name));
1755 break;
1756 case S_REGISTER_V3:
1757 loc.kind = loc_register;
1758 loc.reg = sym->register_v3.reg;
1759 loc.offset = 0;
1760 symt_add_func_local(msc_dbg->module, curr_func,
1761 DataIsLocal, &loc,
1762 block, codeview_get_type(sym->register_v3.type, FALSE),
1763 sym->register_v3.name);
1764 break;
1765
1766 case S_BLOCK_V1:
1767 block = symt_open_func_block(msc_dbg->module, curr_func, block,
1768 codeview_get_address(msc_dbg, sym->block_v1.segment, sym->block_v1.offset),
1769 sym->block_v1.length);
1770 break;
1771 case S_BLOCK_V3:
1772 block = symt_open_func_block(msc_dbg->module, curr_func, block,
1773 codeview_get_address(msc_dbg, sym->block_v3.segment, sym->block_v3.offset),
1774 sym->block_v3.length);
1775 break;
1776
1777 case S_END_V1:
1778 if (block)
1779 {
1780 block = symt_close_func_block(msc_dbg->module, curr_func, block, 0);
1781 }
1782 else if (curr_func)
1783 {
1784 symt_normalize_function(msc_dbg->module, curr_func);
1785 curr_func = NULL;
1786 }
1787 break;
1788
1789 case S_COMPILAND_V1:
1790 TRACE("S-Compiland-V1 %x %s\n",
1791 sym->compiland_v1.unknown, terminate_string(&sym->compiland_v1.p_name));
1792 break;
1793
1794 case S_COMPILAND_V2:
1795 TRACE("S-Compiland-V2 %s\n", terminate_string(&sym->compiland_v2.p_name));
1796 if (TRACE_ON(dbghelp_msc))
1797 {
1798 const char* ptr1 = sym->compiland_v2.p_name.name + sym->compiland_v2.p_name.namelen;
1799 const char* ptr2;
1800 while (*ptr1)
1801 {
1802 ptr2 = ptr1 + strlen(ptr1) + 1;
1803 TRACE("\t%s => %s\n", ptr1, debugstr_a(ptr2));
1804 ptr1 = ptr2 + strlen(ptr2) + 1;
1805 }
1806 }
1807 break;
1808 case S_COMPILAND_V3:
1809 TRACE("S-Compiland-V3 %s\n", sym->compiland_v3.name);
1810 if (TRACE_ON(dbghelp_msc))
1811 {
1812 const char* ptr1 = sym->compiland_v3.name + strlen(sym->compiland_v3.name);
1813 const char* ptr2;
1814 while (*ptr1)
1815 {
1816 ptr2 = ptr1 + strlen(ptr1) + 1;
1817 TRACE("\t%s => %s\n", ptr1, debugstr_a(ptr2));
1818 ptr1 = ptr2 + strlen(ptr2) + 1;
1819 }
1820 }
1821 break;
1822
1823 case S_OBJNAME_V1:
1824 TRACE("S-ObjName %s\n", terminate_string(&sym->objname_v1.p_name));
1825 compiland = symt_new_compiland(msc_dbg->module, 0 /* FIXME */,
1826 source_new(msc_dbg->module, NULL,
1827 terminate_string(&sym->objname_v1.p_name)));
1828 break;
1829
1830 case S_LABEL_V1:
1831 if (curr_func)
1832 {
1833 loc.kind = loc_absolute;
1834 loc.offset = codeview_get_address(msc_dbg, sym->label_v1.segment, sym->label_v1.offset) - curr_func->address;
1835 symt_add_function_point(msc_dbg->module, curr_func, SymTagLabel, &loc,
1836 terminate_string(&sym->label_v1.p_name));
1837 }
1838 else symt_new_label(msc_dbg->module, compiland,
1839 terminate_string(&sym->label_v1.p_name),
1840 codeview_get_address(msc_dbg, sym->label_v1.segment, sym->label_v1.offset));
1841 break;
1842 case S_LABEL_V3:
1843 if (curr_func)
1844 {
1845 loc.kind = loc_absolute;
1846 loc.offset = codeview_get_address(msc_dbg, sym->label_v3.segment, sym->label_v3.offset) - curr_func->address;
1847 symt_add_function_point(msc_dbg->module, curr_func, SymTagLabel,
1848 &loc, sym->label_v3.name);
1849 }
1850 else symt_new_label(msc_dbg->module, compiland, sym->label_v3.name,
1851 codeview_get_address(msc_dbg, sym->label_v3.segment, sym->label_v3.offset));
1852 break;
1853
1854 case S_CONSTANT_V1:
1855 {
1856 int vlen;
1857 const struct p_string* name;
1858 struct symt* se;
1859 VARIANT v;
1860
1861 vlen = leaf_as_variant(&v, &sym->constant_v1.cvalue);
1862 name = (const struct p_string*)((const char*)&sym->constant_v1.cvalue + vlen);
1863 se = codeview_get_type(sym->constant_v1.type, FALSE);
1864
1865 TRACE("S-Constant-V1 %u %s %x\n",
1866 v.n1.n2.n3.intVal, terminate_string(name), sym->constant_v1.type);
1867 symt_new_constant(msc_dbg->module, compiland, terminate_string(name),
1868 se, &v);
1869 }
1870 break;
1871 case S_CONSTANT_V2:
1872 {
1873 int vlen;
1874 const struct p_string* name;
1875 struct symt* se;
1876 VARIANT v;
1877
1878 vlen = leaf_as_variant(&v, &sym->constant_v2.cvalue);
1879 name = (const struct p_string*)((const char*)&sym->constant_v2.cvalue + vlen);
1880 se = codeview_get_type(sym->constant_v2.type, FALSE);
1881
1882 TRACE("S-Constant-V2 %u %s %x\n",
1883 v.n1.n2.n3.intVal, terminate_string(name), sym->constant_v2.type);
1884 symt_new_constant(msc_dbg->module, compiland, terminate_string(name),
1885 se, &v);
1886 }
1887 break;
1888 case S_CONSTANT_V3:
1889 {
1890 int vlen;
1891 const char* name;
1892 struct symt* se;
1893 VARIANT v;
1894
1895 vlen = leaf_as_variant(&v, &sym->constant_v3.cvalue);
1896 name = (const char*)&sym->constant_v3.cvalue + vlen;
1897 se = codeview_get_type(sym->constant_v3.type, FALSE);
1898
1899 TRACE("S-Constant-V3 %u %s %x\n",
1900 v.n1.n2.n3.intVal, name, sym->constant_v3.type);
1901 /* FIXME: we should add this as a constant value */
1902 symt_new_constant(msc_dbg->module, compiland, name, se, &v);
1903 }
1904 break;
1905
1906 case S_UDT_V1:
1907 if (sym->udt_v1.type)
1908 {
1909 if ((symt = codeview_get_type(sym->udt_v1.type, FALSE)))
1910 symt_new_typedef(msc_dbg->module, symt,
1911 terminate_string(&sym->udt_v1.p_name));
1912 else
1913 FIXME("S-Udt %s: couldn't find type 0x%x\n",
1914 terminate_string(&sym->udt_v1.p_name), sym->udt_v1.type);
1915 }
1916 break;
1917 case S_UDT_V2:
1918 if (sym->udt_v2.type)
1919 {
1920 if ((symt = codeview_get_type(sym->udt_v2.type, FALSE)))
1921 symt_new_typedef(msc_dbg->module, symt,
1922 terminate_string(&sym->udt_v2.p_name));
1923 else
1924 FIXME("S-Udt %s: couldn't find type 0x%x\n",
1925 terminate_string(&sym->udt_v2.p_name), sym->udt_v2.type);
1926 }
1927 break;
1928 case S_UDT_V3:
1929 if (sym->udt_v3.type)
1930 {
1931 if ((symt = codeview_get_type(sym->udt_v3.type, FALSE)))
1932 symt_new_typedef(msc_dbg->module, symt, sym->udt_v3.name);
1933 else
1934 FIXME("S-Udt %s: couldn't find type 0x%x\n",
1935 sym->udt_v3.name, sym->udt_v3.type);
1936 }
1937 break;
1938
1939 /*
1940 * These are special, in that they are always followed by an
1941 * additional length-prefixed string which is *not* included
1942 * into the symbol length count. We need to skip it.
1943 */
1944 case S_PROCREF_V1:
1945 case S_DATAREF_V1:
1946 case S_LPROCREF_V1:
1947 name = (const char*)sym + length;
1948 length += (*name + 1 + 3) & ~3;
1949 break;
1950
1951 case S_MSTOOL_V3: /* just to silence a few warnings */
1952 case S_MSTOOLINFO_V3:
1953 case S_MSTOOLENV_V3:
1954 break;
1955
1956 case S_SSEARCH_V1:
1957 TRACE("Start search: seg=0x%x at offset 0x%08x\n",
1958 sym->ssearch_v1.segment, sym->ssearch_v1.offset);
1959 break;
1960
1961 case S_ALIGN_V1:
1962 TRACE("S-Align V1\n");
1963 break;
1964
1965 /* the symbols we can safely ignore for now */
1966 case 0x112c:
1967 case S_FRAMEINFO_V2:
1968 case S_SECUCOOKIE_V3:
1969 case S_SECTINFO_V3:
1970 case S_SUBSECTINFO_V3:
1971 case S_ENTRYPOINT_V3:
1972 case 0x1139:
1973 TRACE("Unsupported symbol id %x\n", sym->generic.id);
1974 break;
1975
1976 default:
1977 FIXME("Unsupported symbol id %x\n", sym->generic.id);
1978 dump(sym, 2 + sym->generic.len);
1979 break;
1980 }
1981 }
1982
1983 if (curr_func) symt_normalize_function(msc_dbg->module, curr_func);
1984
1985 return TRUE;
1986 }
1987
1988 static int codeview_snarf_public(const struct msc_debug_info* msc_dbg, const BYTE* root,
1989 int offset, int size)
1990
1991 {
1992 int i, length;
1993 struct symt_compiland* compiland = NULL;
1994
1995 /*
1996 * Loop over the different types of records and whenever we
1997 * find something we are interested in, record it and move on.
1998 */
1999 for (i = offset; i < size; i += length)
2000 {
2001 const union codeview_symbol* sym = (const union codeview_symbol*)(root + i);
2002 length = sym->generic.len + 2;
2003 if (i + length > size) break;
2004 if (!sym->generic.id || length < 4) break;
2005 if (length & 3) FIXME("unpadded len %u\n", length);
2006
2007 switch (sym->generic.id)
2008 {
2009 case S_PUB_V1: /* FIXME is this really a 'data_v1' structure ?? */
2010 if (!(dbghelp_options & SYMOPT_NO_PUBLICS))
2011 {
2012 symt_new_public(msc_dbg->module, compiland,
2013 terminate_string(&sym->data_v1.p_name),
2014 codeview_get_address(msc_dbg, sym->data_v1.segment, sym->data_v1.offset), 1);
2015 }
2016 break;
2017 case S_PUB_V2: /* FIXME is this really a 'data_v2' structure ?? */
2018 if (!(dbghelp_options & SYMOPT_NO_PUBLICS))
2019 {
2020 symt_new_public(msc_dbg->module, compiland,
2021 terminate_string(&sym->data_v2.p_name),
2022 codeview_get_address(msc_dbg, sym->data_v2.segment, sym->data_v2.offset), 1);
2023 }
2024 break;
2025
2026 case S_PUB_V3:
2027 if (!(dbghelp_options & SYMOPT_NO_PUBLICS))
2028 {
2029 symt_new_public(msc_dbg->module, compiland,
2030 sym->data_v3.name,
2031 codeview_get_address(msc_dbg, sym->data_v3.segment, sym->data_v3.offset), 1);
2032 }
2033 break;
2034 case S_PUB_FUNC1_V3:
2035 case S_PUB_FUNC2_V3: /* using a data_v3 isn't what we'd expect */
2036 #if 0
2037 /* FIXME: this is plain wrong (from a simple test) */
2038 if (!(dbghelp_options & SYMOPT_NO_PUBLICS))
2039 {
2040 symt_new_public(msc_dbg->module, compiland,
2041 sym->data_v3.name,
2042 codeview_get_address(msc_dbg, sym->data_v3.segment, sym->data_v3.offset), 1);
2043 }
2044 #endif
2045 break;
2046 /*
2047 * Global and local data symbols. We don't associate these
2048 * with any given source file.
2049 */
2050 case S_GDATA_V1:
2051 case S_LDATA_V1:
2052 codeview_add_variable(msc_dbg, compiland, terminate_string(&sym->data_v1.p_name),
2053 sym->data_v1.segment, sym->data_v1.offset, sym->data_v1.symtype,
2054 sym->generic.id == S_LDATA_V1, FALSE, FALSE);
2055 break;
2056 case S_GDATA_V2:
2057 case S_LDATA_V2:
2058 codeview_add_variable(msc_dbg, compiland, terminate_string(&sym->data_v2.p_name),
2059 sym->data_v2.segment, sym->data_v2.offset, sym->data_v2.symtype,
2060 sym->generic.id == S_LDATA_V2, FALSE, FALSE);
2061 break;
2062 case S_GDATA_V3:
2063 case S_LDATA_V3:
2064 codeview_add_variable(msc_dbg, compiland, sym->data_v3.name,
2065 sym->data_v3.segment, sym->data_v3.offset, sym->data_v3.symtype,
2066 sym->generic.id == S_LDATA_V3, FALSE, FALSE);
2067 break;
2068
2069 /* variables with thread storage */
2070 case S_GTHREAD_V1:
2071 case S_LTHREAD_V1:
2072 codeview_add_variable(msc_dbg, compiland, terminate_string(&sym->thread_v1.p_name),
2073 sym->thread_v1.segment, sym->thread_v1.offset, sym->thread_v1.symtype,
2074 sym->generic.id == S_LTHREAD_V1, TRUE, FALSE);
2075 break;
2076 case S_GTHREAD_V2:
2077 case S_LTHREAD_V2:
2078 codeview_add_variable(msc_dbg, compiland, terminate_string(&sym->thread_v2.p_name),
2079 sym->thread_v2.segment, sym->thread_v2.offset, sym->thread_v2.symtype,
2080 sym->generic.id == S_LTHREAD_V2, TRUE, FALSE);
2081 break;
2082 case S_GTHREAD_V3:
2083 case S_LTHREAD_V3:
2084 codeview_add_variable(msc_dbg, compiland, sym->thread_v3.name,
2085 sym->thread_v3.segment, sym->thread_v3.offset, sym->thread_v3.symtype,
2086 sym->generic.id == S_LTHREAD_V3, TRUE, FALSE);
2087 break;
2088
2089 /*
2090 * These are special, in that they are always followed by an
2091 * additional length-prefixed string which is *not* included
2092 * into the symbol length count. We need to skip it.
2093 */
2094 case S_PROCREF_V1:
2095 case S_DATAREF_V1:
2096 case S_LPROCREF_V1:
2097 length += (((const char*)sym)[length] + 1 + 3) & ~3;
2098 break;
2099 }
2100 msc_dbg->module->sortlist_valid = TRUE;
2101 }
2102 msc_dbg->module->sortlist_valid = FALSE;
2103 return TRUE;
2104 }
2105
2106 /*========================================================================
2107 * Process PDB file.
2108 */
2109
2110 static void* pdb_jg_read(const struct PDB_JG_HEADER* pdb, const WORD* block_list,
2111 int size)
2112 {
2113 int i, num_blocks;
2114 BYTE* buffer;
2115
2116 if (!size) return NULL;
2117
2118 num_blocks = (size + pdb->block_size - 1) / pdb->block_size;
2119 buffer = HeapAlloc(GetProcessHeap(), 0, num_blocks * pdb->block_size);
2120
2121 for (i = 0; i < num_blocks; i++)
2122 memcpy(buffer + i * pdb->block_size,
2123 (const char*)pdb + block_list[i] * pdb->block_size, pdb->block_size);
2124
2125 return buffer;
2126 }
2127
2128 static void* pdb_ds_read(const struct PDB_DS_HEADER* pdb, const DWORD* block_list,
2129 int size)
2130 {
2131 int i, num_blocks;
2132 BYTE* buffer;
2133
2134 if (!size) return NULL;
2135
2136 num_blocks = (size + pdb->block_size - 1) / pdb->block_size;
2137 buffer = HeapAlloc(GetProcessHeap(), 0, num_blocks * pdb->block_size);
2138
2139 for (i = 0; i < num_blocks; i++)
2140 memcpy(buffer + i * pdb->block_size,
2141 (const char*)pdb + block_list[i] * pdb->block_size, pdb->block_size);
2142
2143 return buffer;
2144 }
2145
2146 static void* pdb_read_jg_file(const struct PDB_JG_HEADER* pdb,
2147 const struct PDB_JG_TOC* toc, DWORD file_nr)
2148 {
2149 const WORD* block_list;
2150 DWORD i;
2151
2152 if (!toc || file_nr >= toc->num_files) return NULL;
2153
2154 block_list = (const WORD*) &toc->file[toc->num_files];
2155 for (i = 0; i < file_nr; i++)
2156 block_list += (toc->file[i].size + pdb->block_size - 1) / pdb->block_size;
2157
2158 return pdb_jg_read(pdb, block_list, toc->file[file_nr].size);
2159 }
2160
2161 static void* pdb_read_ds_file(const struct PDB_DS_HEADER* pdb,
2162 const struct PDB_DS_TOC* toc, DWORD file_nr)
2163 {
2164 const DWORD* block_list;
2165 DWORD i;
2166
2167 if (!toc || file_nr >= toc->num_files) return NULL;
2168 if (toc->file_size[file_nr] == 0 || toc->file_size[file_nr] == 0xFFFFFFFF) return NULL;
2169
2170 block_list = &toc->file_size[toc->num_files];
2171 for (i = 0; i < file_nr; i++)
2172 block_list += (toc->file_size[i] + pdb->block_size - 1) / pdb->block_size;
2173
2174 return pdb_ds_read(pdb, block_list, toc->file_size[file_nr]);
2175 }
2176
2177 static void* pdb_read_file(const struct pdb_file_info* pdb_file,
2178 DWORD file_nr)
2179 {
2180 switch (pdb_file->kind)
2181 {
2182 case PDB_JG:
2183 return pdb_read_jg_file((const struct PDB_JG_HEADER*)pdb_file->image,
2184 pdb_file->u.jg.toc, file_nr);
2185 case PDB_DS:
2186 return pdb_read_ds_file((const struct PDB_DS_HEADER*)pdb_file->image,
2187 pdb_file->u.ds.toc, file_nr);
2188 }
2189 return NULL;
2190 }
2191
2192 static unsigned pdb_get_file_size(const struct pdb_file_info* pdb_file, DWORD file_nr)
2193 {
2194 switch (pdb_file->kind)
2195 {
2196 case PDB_JG: return pdb_file->u.jg.toc->file[file_nr].size;
2197 case PDB_DS: return pdb_file->u.ds.toc->file_size[file_nr];
2198 }
2199 return 0;
2200 }
2201
2202 static void pdb_free(void* buffer)
2203 {
2204 HeapFree(GetProcessHeap(), 0, buffer);
2205 }
2206
2207 static void pdb_free_file(struct pdb_file_info* pdb_file)
2208 {
2209 switch (pdb_file->kind)
2210 {
2211 case PDB_JG:
2212 pdb_free(pdb_file->u.jg.toc);
2213 pdb_file->u.jg.toc = NULL;
2214 break;
2215 case PDB_DS:
2216 pdb_free(pdb_file->u.ds.toc);
2217 pdb_file->u.ds.toc = NULL;
2218 break;
2219 }
2220 HeapFree(GetProcessHeap(), 0, pdb_file->stream_dict);
2221 }
2222
2223 static BOOL pdb_load_stream_name_table(struct pdb_file_info* pdb_file, const char* str, unsigned cb)
2224 {
2225 DWORD* pdw;
2226 DWORD* ok_bits;
2227 DWORD count, numok;
2228 unsigned i, j;
2229 char* cpstr;
2230
2231 pdw = (DWORD*)(str + cb);
2232 numok = *pdw++;
2233 count = *pdw++;
2234
2235 pdb_file->stream_dict = HeapAlloc(GetProcessHeap(), 0, (numok + 1) * sizeof(struct pdb_stream_name) + cb);
2236 if (!pdb_file->stream_dict) return FALSE;
2237 cpstr = (char*)(pdb_file->stream_dict + numok + 1);
2238 memcpy(cpstr, str, cb);
2239
2240 /* bitfield: first dword is len (in dword), then data */
2241 ok_bits = pdw;
2242 pdw += *ok_bits++ + 1;
2243 if (*pdw++ != 0)
2244 {
2245 FIXME("unexpected value\n");
2246 return -1;
2247 }
2248
2249 for (i = j = 0; i < count; i++)
2250 {
2251 if (ok_bits[i / 32] & (1 << (i % 32)))
2252 {
2253 if (j >= numok) break;
2254 pdb_file->stream_dict[j].name = &cpstr[*pdw++];
2255 pdb_file->stream_dict[j].index = *pdw++;
2256 j++;
2257 }
2258 }
2259 /* add sentinel */
2260 pdb_file->stream_dict[numok].name = NULL;
2261 pdb_file->fpoext_stream = -1;
2262 return j == numok && i == count;
2263 }
2264
2265 static unsigned pdb_get_stream_by_name(const struct pdb_file_info* pdb_file, const char* name)
2266 {
2267 struct pdb_stream_name* psn;
2268
2269 for (psn = pdb_file->stream_dict; psn && psn->name; psn++)
2270 {
2271 if (!strcmp(psn->name, name)) return psn->index;
2272 }
2273 return -1;
2274 }
2275
2276 static void* pdb_read_strings(const struct pdb_file_info* pdb_file)
2277 {
2278 unsigned idx;
2279 void *ret;
2280
2281 idx = pdb_get_stream_by_name(pdb_file, "/names");
2282 if (idx != -1)
2283 {
2284 ret = pdb_read_file( pdb_file, idx );
2285 if (ret && *(const DWORD *)ret == 0xeffeeffe) return ret;
2286 pdb_free( ret );
2287 }
2288 WARN("string table not found\n");
2289 return NULL;
2290 }
2291
2292 static void pdb_module_remove(struct process* pcsn, struct module_format* modfmt)
2293 {
2294 unsigned i;
2295
2296 for (i = 0; i < modfmt->u.pdb_info->used_subfiles; i++)
2297 {
2298 pdb_free_file(&modfmt->u.pdb_info->pdb_files[i]);
2299 if (modfmt->u.pdb_info->pdb_files[i].image)
2300 UnmapViewOfFile(modfmt->u.pdb_info->pdb_files[i].image);
2301 if (modfmt->u.pdb_info->pdb_files[i].hMap)
2302 CloseHandle(modfmt->u.pdb_info->pdb_files[i].hMap);
2303 }
2304 HeapFree(GetProcessHeap(), 0, modfmt);
2305 }
2306
2307 static void pdb_convert_types_header(PDB_TYPES* types, const BYTE* image)
2308 {
2309 memset(types, 0, sizeof(PDB_TYPES));
2310 if (!image) return;
2311
2312 if (*(const DWORD*)image < 19960000) /* FIXME: correct version? */
2313 {
2314 /* Old version of the types record header */
2315 const PDB_TYPES_OLD* old = (const PDB_TYPES_OLD*)image;
2316 types->version = old->version;
2317 types->type_offset = sizeof(PDB_TYPES_OLD);
2318 types->type_size = old->type_size;
2319 types->first_index = old->first_index;
2320 types->last_index = old->last_index;
2321 types->file = old->file;
2322 }
2323 else
2324 {
2325 /* New version of the types record header */
2326 *types = *(const PDB_TYPES*)image;
2327 }
2328 }
2329
2330 static void pdb_convert_symbols_header(PDB_SYMBOLS* symbols,
2331 int* header_size, const BYTE* image)
2332 {
2333 memset(symbols, 0, sizeof(PDB_SYMBOLS));
2334 if (!image) return;
2335
2336 if (*(const DWORD*)image != 0xffffffff)
2337 {
2338 /* Old version of the symbols record header */
2339 const PDB_SYMBOLS_OLD* old = (const PDB_SYMBOLS_OLD*)image;
2340 symbols->version = 0;
2341 symbols->module_size = old->module_size;
2342 symbols->offset_size = old->offset_size;
2343 symbols->hash_size = old->hash_size;
2344 symbols->srcmodule_size = old->srcmodule_size;
2345 symbols->pdbimport_size = 0;
2346 symbols->hash1_file = old->hash1_file;
2347 symbols->hash2_file = old->hash2_file;
2348 symbols->gsym_file = old->gsym_file;
2349
2350 *header_size = sizeof(PDB_SYMBOLS_OLD);
2351 }
2352 else
2353 {
2354 /* New version of the symbols record header */
2355 *symbols = *(const PDB_SYMBOLS*)image;
2356 *header_size = sizeof(PDB_SYMBOLS);
2357 }
2358 }
2359
2360 static void pdb_convert_symbol_file(const PDB_SYMBOLS* symbols,
2361 PDB_SYMBOL_FILE_EX* sfile,
2362 unsigned* size, const void* image)
2363
2364 {
2365 if (symbols->version < 19970000)
2366 {
2367 const PDB_SYMBOL_FILE *sym_file = image;
2368 memset(sfile, 0, sizeof(*sfile));
2369 sfile->file = sym_file->file;
2370 sfile->range.index = sym_file->range.index;
2371 sfile->symbol_size = sym_file->symbol_size;
2372 sfile->lineno_size = sym_file->lineno_size;
2373 *size = sizeof(PDB_SYMBOL_FILE) - 1;
2374 }
2375 else
2376 {
2377 memcpy(sfile, image, sizeof(PDB_SYMBOL_FILE_EX));
2378 *size = sizeof(PDB_SYMBOL_FILE_EX) - 1;
2379 }
2380 }
2381
2382 static HANDLE map_pdb_file(const struct process* pcs,
2383 const struct pdb_lookup* lookup,
2384 struct module* module)
2385 {
2386 HANDLE hFile, hMap = NULL;
2387 char dbg_file_path[MAX_PATH];
2388 BOOL ret = FALSE;
2389
2390 switch (lookup->kind)
2391 {
2392 case PDB_JG:
2393 ret = path_find_symbol_file(pcs, lookup->filename, NULL, lookup->timestamp,
2394 lookup->age, dbg_file_path, &module->module.PdbUnmatched);
2395 break;
2396 case PDB_DS:
2397 ret = path_find_symbol_file(pcs, lookup->filename, &lookup->guid, 0,
2398 lookup->age, dbg_file_path, &module->module.PdbUnmatched);
2399 break;
2400 }
2401 if (!ret)
2402 {
2403 WARN("\tCouldn't find %s\n", lookup->filename);
2404 return NULL;
2405 }
2406 if ((hFile = CreateFileA(dbg_file_path, GENERIC_READ, FILE_SHARE_READ, NULL,
2407 OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL)) != INVALID_HANDLE_VALUE)
2408 {
2409 hMap = CreateFileMappingW(hFile, NULL, PAGE_READONLY, 0, 0, NULL);
2410 CloseHandle(hFile);
2411 }
2412 return hMap;
2413 }
2414
2415 static void pdb_process_types(const struct msc_debug_info* msc_dbg,
2416 const struct pdb_file_info* pdb_file)
2417 {
2418 BYTE* types_image = NULL;
2419
2420 types_image = pdb_read_file(pdb_file, 2);
2421 if (types_image)
2422 {
2423 PDB_TYPES types;
2424 struct codeview_type_parse ctp;
2425 DWORD total;
2426 const BYTE* ptr;
2427 DWORD* offset;
2428
2429 pdb_convert_types_header(&types, types_image);
2430
2431 /* Check for unknown versions */
2432 switch (types.version)
2433 {
2434 case 19950410: /* VC 4.0 */
2435 case 19951122:
2436 case 19961031: /* VC 5.0 / 6.0 */
2437 case 19990903: /* VC 7.0 */
2438 case 20040203: /* VC 8.0 */
2439 break;
2440 default:
2441 ERR("-Unknown type info version %d\n", types.version);
2442 }
2443
2444 ctp.module = msc_dbg->module;
2445 /* reconstruct the types offset...
2446 * FIXME: maybe it's present in the newest PDB_TYPES structures
2447 */
2448 total = types.last_index - types.first_index + 1;
2449 offset = HeapAlloc(GetProcessHeap(), 0, sizeof(DWORD) * total);
2450 ctp.table = ptr = types_image + types.type_offset;
2451 ctp.num = 0;
2452 while (ptr < ctp.table + types.type_size && ctp.num < total)
2453 {
2454 offset[ctp.num++] = ptr - ctp.table;
2455 ptr += ((const union codeview_type*)ptr)->generic.len + 2;
2456 }
2457 ctp.offset = offset;
2458
2459 /* Read type table */
2460 codeview_parse_type_table(&ctp);
2461 HeapFree(GetProcessHeap(), 0, offset);
2462 pdb_free(types_image);
2463 }
2464 }
2465
2466 static const char PDB_JG_IDENT[] = "Microsoft C/C++ program database 2.00\r\n\032JG\0";
2467 static const char PDB_DS_IDENT[] = "Microsoft C/C++ MSF 7.00\r\n\032DS\0";
2468
2469 /******************************************************************
2470 * pdb_init
2471 *
2472 * Tries to load a pdb file
2473 * 'matched' is filled with the number of correct matches for this file:
2474 * - age counts for one
2475 * - timestamp or guid depending on kind counts for one
2476 * a wrong kind of file returns FALSE (FIXME ?)
2477 */
2478 static BOOL pdb_init(const struct pdb_lookup* pdb_lookup, struct pdb_file_info* pdb_file,
2479 const char* image, unsigned* matched)
2480 {
2481 BOOL ret = TRUE;
2482
2483 /* check the file header, and if ok, load the TOC */
2484 TRACE("PDB(%s): %.40s\n", pdb_lookup->filename, debugstr_an(image, 40));
2485
2486 *matched = 0;
2487 if (!memcmp(image, PDB_JG_IDENT, sizeof(PDB_JG_IDENT)))
2488 {
2489 const struct PDB_JG_HEADER* pdb = (const struct PDB_JG_HEADER*)image;
2490 struct PDB_JG_ROOT* root;
2491
2492 pdb_file->u.jg.toc = pdb_jg_read(pdb, pdb->toc_block, pdb->toc.size);
2493 root = pdb_read_jg_file(pdb, pdb_file->u.jg.toc, 1);
2494 if (!root)
2495 {
2496 ERR("-Unable to get root from .PDB in %s\n", pdb_lookup->filename);
2497 return FALSE;
2498 }
2499 switch (root->Version)
2500 {
2501 case 19950623: /* VC 4.0 */
2502 case 19950814:
2503 case 19960307: /* VC 5.0 */
2504 case 19970604: /* VC 6.0 */
2505 break;
2506 default:
2507 ERR("-Unknown root block version %d\n", root->Version);
2508 }
2509 if (pdb_lookup->kind != PDB_JG)
2510 {
2511 WARN("Found %s, but wrong PDB kind\n", pdb_lookup->filename);
2512 return FALSE;
2513 }
2514 pdb_file->kind = PDB_JG;
2515 pdb_file->u.jg.timestamp = root->TimeDateStamp;
2516 pdb_file->age = root->Age;
2517 if (root->TimeDateStamp == pdb_lookup->timestamp) (*matched)++;
2518 else WARN("Found %s, but wrong signature: %08x %08x\n",
2519 pdb_lookup->filename, root->TimeDateStamp, pdb_lookup->timestamp);
2520 if (root->Age == pdb_lookup->age) (*matched)++;
2521 else WARN("Found %s, but wrong age: %08x %08x\n",
2522 pdb_lookup->filename, root->Age, pdb_lookup->age);
2523 TRACE("found JG for %s: age=%x timestamp=%x\n",
2524 pdb_lookup->filename, root->Age, root->TimeDateStamp);
2525 pdb_load_stream_name_table(pdb_file, &root->names[0], root->cbNames);
2526
2527 pdb_free(root);
2528 }
2529 else if (!memcmp(image, PDB_DS_IDENT, sizeof(PDB_DS_IDENT)))
2530 {
2531 const struct PDB_DS_HEADER* pdb = (const struct PDB_DS_HEADER*)image;
2532 struct PDB_DS_ROOT* root;
2533
2534 pdb_file->u.ds.toc =
2535 pdb_ds_read(pdb,
2536 (const DWORD*)((const char*)pdb + pdb->toc_page * pdb->block_size),
2537 pdb->toc_size);
2538 root = pdb_read_ds_file(pdb, pdb_file->u.ds.toc, 1);
2539 if (!root)
2540 {
2541 ERR("-Unable to get root from .PDB in %s\n", pdb_lookup->filename);
2542 return FALSE;
2543 }
2544 switch (root->Version)
2545 {
2546 case 20000404:
2547 break;
2548 default:
2549 ERR("-Unknown root block version %d\n", root->Version);
2550 }
2551 pdb_file->kind = PDB_DS;
2552 pdb_file->u.ds.guid = root->guid;
2553 pdb_file->age = root->Age;
2554 if (!memcmp(&root->guid, &pdb_lookup->guid, sizeof(GUID))) (*matched)++;
2555 else WARN("Found %s, but wrong GUID: %s %s\n",
2556 pdb_lookup->filename, debugstr_guid(&root->guid),
2557 debugstr_guid(&pdb_lookup->guid));
2558 if (root->Age == pdb_lookup->age) (*matched)++;
2559 else WARN("Found %s, but wrong age: %08x %08x\n",
2560 pdb_lookup->filename, root->Age, pdb_lookup->age);
2561 TRACE("found DS for %s: age=%x guid=%s\n",
2562 pdb_lookup->filename, root->Age, debugstr_guid(&root->guid));
2563 pdb_load_stream_name_table(pdb_file, &root->names[0], root->cbNames);
2564
2565 pdb_free(root);
2566 }
2567
2568 if (0) /* some tool to dump the internal files from a PDB file */
2569 {
2570 int i, num_files;
2571
2572 switch (pdb_file->kind)
2573 {
2574 case PDB_JG: num_files = pdb_file->u.jg.toc->num_files; break;
2575 case PDB_DS: num_files = pdb_file->u.ds.toc->num_files; break;
2576 }
2577
2578 for (i = 1; i < num_files; i++)
2579 {
2580 unsigned char* x = pdb_read_file(pdb_file, i);
2581 FIXME("********************** [%u]: size=%08x\n",
2582 i, pdb_get_file_size(pdb_file, i));
2583 dump(x, pdb_get_file_size(pdb_file, i));
2584 pdb_free(x);
2585 }
2586 }
2587 return ret;
2588 }
2589
2590 static BOOL pdb_process_internal(const struct process* pcs,
2591 const struct msc_debug_info* msc_dbg,
2592 const struct pdb_lookup* pdb_lookup,
2593 struct pdb_module_info* pdb_module_info,
2594 unsigned module_index);
2595
2596 static void pdb_process_symbol_imports(const struct process* pcs,
2597 const struct msc_debug_info* msc_dbg,
2598 const PDB_SYMBOLS* symbols,
2599 const void* symbols_image,
2600 const char* image,
2601 const struct pdb_lookup* pdb_lookup,
2602 struct pdb_module_info* pdb_module_info,
2603 unsigned module_index)
2604 {
2605 if (module_index == -1 && symbols && symbols->pdbimport_size)
2606 {
2607 const PDB_SYMBOL_IMPORT*imp;
2608 const void* first;
2609 const void* last;
2610 const char* ptr;
2611 int i = 0;
2612 struct pdb_file_info sf0 = pdb_module_info->pdb_files[0];
2613
2614 imp = (const PDB_SYMBOL_IMPORT*)((const char*)symbols_image + sizeof(PDB_SYMBOLS) +
2615 symbols->module_size + symbols->offset_size +
2616 symbols->hash_size + symbols->srcmodule_size);
2617 first = imp;
2618 last = (const char*)imp + symbols->pdbimport_size;
2619 while (imp < (const PDB_SYMBOL_IMPORT*)last)
2620 {
2621 ptr = (const char*)imp + sizeof(*imp) + strlen(imp->filename);
2622 if (i >= CV_MAX_MODULES) FIXME("Out of bounds !!!\n");
2623 if (!strcasecmp(pdb_lookup->filename, imp->filename))
2624 {
2625 if (module_index != -1) FIXME("Twice the entry\n");
2626 else module_index = i;
2627 pdb_module_info->pdb_files[i] = sf0;
2628 }
2629 else
2630 {
2631 struct pdb_lookup imp_pdb_lookup;
2632
2633 /* FIXME: this is an import of a JG PDB file
2634 * how's a DS PDB handled ?
2635 */
2636 imp_pdb_lookup.filename = imp->filename;
2637 imp_pdb_lookup.kind = PDB_JG;
2638 imp_pdb_lookup.timestamp = imp->TimeDateStamp;
2639 imp_pdb_lookup.age = imp->Age;
2640 TRACE("got for %s: age=%u ts=%x\n",
2641 imp->filename, imp->Age, imp->TimeDateStamp);
2642 pdb_process_internal(pcs, msc_dbg, &imp_pdb_lookup, pdb_module_info, i);
2643 }
2644 i++;
2645 imp = (const PDB_SYMBOL_IMPORT*)((const char*)first + ((ptr - (const char*)first + strlen(ptr) + 1 + 3) & ~3));
2646 }
2647 pdb_module_info->used_subfiles = i;
2648 }
2649 if (module_index == -1)
2650 {
2651 module_index = 0;
2652 pdb_module_info->used_subfiles = 1;
2653 }
2654 cv_current_module = &cv_zmodules[module_index];
2655 if (cv_current_module->allowed) FIXME("Already allowed ??\n");
2656 cv_current_module->allowed = TRUE;
2657 }
2658
2659 static BOOL pdb_process_internal(const struct process* pcs,
2660 const struct msc_debug_info* msc_dbg,
2661 const struct pdb_lookup* pdb_lookup,
2662 struct pdb_module_info* pdb_module_info,
2663 unsigned module_index)
2664 {
2665 HANDLE hMap = NULL;
2666 char* image = NULL;
2667 BYTE* symbols_image = NULL;
2668 char* files_image = NULL;
2669 DWORD files_size = 0;
2670 unsigned matched;
2671 struct pdb_file_info* pdb_file;
2672
2673 TRACE("Processing PDB file %s\n", pdb_lookup->filename);
2674
2675 pdb_file = &pdb_module_info->pdb_files[module_index == -1 ? 0 : module_index];
2676 /* Open and map() .PDB file */
2677 if ((hMap = map_pdb_file(pcs, pdb_lookup, msc_dbg->module)) == NULL ||
2678 ((image = MapViewOfFile(hMap, FILE_MAP_READ, 0, 0, 0)) == NULL))
2679 {
2680 WARN("Unable to open .PDB file: %s\n", pdb_lookup->filename);
2681 CloseHandle(hMap);
2682 return FALSE;
2683 }
2684 if (!pdb_init(pdb_lookup, pdb_file, image, &matched) || matched != 2)
2685 {
2686 CloseHandle(hMap);
2687 UnmapViewOfFile(image);
2688 return FALSE;
2689 }
2690
2691 pdb_file->hMap = hMap;
2692 pdb_file->image = image;
2693 symbols_image = pdb_read_file(pdb_file, 3);
2694 if (symbols_image)
2695 {
2696 PDB_SYMBOLS symbols;
2697 BYTE* globalimage;
2698 BYTE* modimage;
2699 BYTE* file;
2700 int header_size = 0;
2701 PDB_STREAM_INDEXES* psi;
2702
2703 pdb_convert_symbols_header(&symbols, &header_size, symbols_image);
2704 switch (symbols.version)
2705 {
2706 case 0: /* VC 4.0 */
2707 case 19960307: /* VC 5.0 */
2708 case 19970606: /* VC 6.0 */
2709 case 19990903:
2710 break;
2711 default:
2712 ERR("-Unknown symbol info version %d %08x\n",
2713 symbols.version, symbols.version);
2714 }
2715
2716 switch (symbols.stream_index_size)
2717 {
2718 case 0:
2719 case sizeof(PDB_STREAM_INDEXES_OLD):
2720 /* no fpo ext stream in this case */
2721 break;
2722 case sizeof(PDB_STREAM_INDEXES):
2723 psi = (PDB_STREAM_INDEXES*)((const char*)symbols_image + sizeof(PDB_SYMBOLS) +
2724 symbols.module_size + symbols.offset_size +
2725 symbols.hash_size + symbols.srcmodule_size +
2726 symbols.pdbimport_size + symbols.unknown2_size);
2727 pdb_file->fpoext_stream = psi->FPO_EXT;
2728 break;
2729 default:
2730 FIXME("Unknown PDB_STREAM_INDEXES size (%d)\n", symbols.stream_index_size);
2731 break;
2732 }
2733 files_image = pdb_read_strings(pdb_file);
2734 if (files_image) files_size = *(const DWORD*)(files_image + 8);
2735
2736 pdb_process_symbol_imports(pcs, msc_dbg, &symbols, symbols_image, image,
2737 pdb_lookup, pdb_module_info, module_index);
2738 pdb_process_types(msc_dbg, pdb_file);
2739
2740 /* Read global symbol table */
2741 globalimage = pdb_read_file(pdb_file, symbols.gsym_file);
2742 if (globalimage)
2743 {
2744 codeview_snarf(msc_dbg, globalimage, 0,
2745 pdb_get_file_size(pdb_file, symbols.gsym_file), FALSE);
2746 }
2747
2748 /* Read per-module symbols' tables */
2749 file = symbols_image + header_size;
2750 while (file - symbols_image < header_size + symbols.module_size)
2751 {
2752 PDB_SYMBOL_FILE_EX sfile;
2753 const char* file_name;
2754 unsigned size;
2755
2756 HeapValidate(GetProcessHeap(), 0, NULL);
2757 pdb_convert_symbol_file(&symbols, &sfile, &size, file);
2758
2759 modimage = pdb_read_file(pdb_file, sfile.file);
2760 if (modimage)
2761 {
2762 if (sfile.symbol_size)
2763 codeview_snarf(msc_dbg, modimage, sizeof(DWORD),
2764 sfile.symbol_size, TRUE);
2765
2766 if (sfile.lineno_size)
2767 codeview_snarf_linetab(msc_dbg,
2768 modimage + sfile.symbol_size,
2769 sfile.lineno_size,
2770 pdb_file->kind == PDB_JG);
2771 if (files_image)
2772 codeview_snarf_linetab2(msc_dbg, modimage + sfile.symbol_size + sfile.lineno_size,
2773 pdb_get_file_size(pdb_file, sfile.file) - sfile.symbol_size - sfile.lineno_size,
2774 files_image + 12, files_size);
2775
2776 pdb_free(modimage);
2777 }
2778 file_name = (const char*)file + size;
2779 file_name += strlen(file_name) + 1;
2780 file = (BYTE*)((DWORD_PTR)(file_name + strlen(file_name) + 1 + 3) & ~3);
2781 }
2782 /* finish the remaining public and global information */
2783 if (globalimage)
2784 {
2785 codeview_snarf_public(msc_dbg, globalimage, 0,
2786 pdb_get_file_size(pdb_file, symbols.gsym_file));
2787 pdb_free(globalimage);
2788 }
2789 }
2790 else
2791 pdb_process_symbol_imports(pcs, msc_dbg, NULL, NULL, image,
2792 pdb_lookup, pdb_module_info, module_index);
2793
2794 pdb_free(symbols_image);
2795 pdb_free(files_image);
2796
2797 return TRUE;
2798 }
2799
2800 static BOOL pdb_process_file(const struct process* pcs,
2801 const struct msc_debug_info* msc_dbg,
2802 struct pdb_lookup* pdb_lookup)
2803 {
2804 BOOL ret;
2805 struct module_format* modfmt;
2806 struct pdb_module_info* pdb_module_info;
2807
2808 modfmt = HeapAlloc(GetProcessHeap(), 0,
2809 sizeof(struct module_format) + sizeof(struct pdb_module_info));
2810 if (!modfmt) return FALSE;
2811
2812 pdb_module_info = (void*)(modfmt + 1);
2813 msc_dbg->module->format_info[DFI_PDB] = modfmt;
2814 modfmt->module = msc_dbg->module;
2815 modfmt->remove = pdb_module_remove;
2816 modfmt->loc_compute = NULL;
2817 modfmt->u.pdb_info = pdb_module_info;
2818
2819 memset(cv_zmodules, 0, sizeof(cv_zmodules));
2820 codeview_init_basic_types(msc_dbg->module);
2821 ret = pdb_process_internal(pcs, msc_dbg, pdb_lookup,
2822 msc_dbg->module->format_info[DFI_PDB]->u.pdb_info, -1);
2823 codeview_clear_type_table();
2824 if (ret)
2825 {
2826 struct pdb_module_info* pdb_info = msc_dbg->module->format_info[DFI_PDB]->u.pdb_info;
2827 msc_dbg->module->module.SymType = SymCv;
2828 if (pdb_info->pdb_files[0].kind == PDB_JG)
2829 msc_dbg->module->module.PdbSig = pdb_info->pdb_files[0].u.jg.timestamp;
2830 else
2831 msc_dbg->module->module.PdbSig70 = pdb_info->pdb_files[0].u.ds.guid;
2832 msc_dbg->module->module.PdbAge = pdb_info->pdb_files[0].age;
2833 MultiByteToWideChar(CP_ACP, 0, pdb_lookup->filename, -1,
2834 msc_dbg->module->module.LoadedPdbName,
2835 sizeof(msc_dbg->module->module.LoadedPdbName) / sizeof(WCHAR));
2836 /* FIXME: we could have a finer grain here */
2837 msc_dbg->module->module.LineNumbers = TRUE;
2838 msc_dbg->module->module.GlobalSymbols = TRUE;
2839 msc_dbg->module->module.TypeInfo = TRUE;
2840 msc_dbg->module->module.SourceIndexed = TRUE;
2841 msc_dbg->module->module.Publics = TRUE;
2842 }
2843 else
2844 {
2845 msc_dbg->module->format_info[DFI_PDB] = NULL;
2846 HeapFree(GetProcessHeap(), 0, modfmt);
2847 }
2848 return ret;
2849 }
2850
2851 BOOL pdb_fetch_file_info(const struct pdb_lookup* pdb_lookup, unsigned* matched)
2852 {
2853 HANDLE hFile, hMap = NULL;
2854 char* image = NULL;
2855 BOOL ret;
2856 struct pdb_file_info pdb_file;
2857
2858 if ((hFile = CreateFileA(pdb_lookup->filename, GENERIC_READ, FILE_SHARE_READ, NULL,
2859 OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL)) == INVALID_HANDLE_VALUE ||
2860 ((hMap = CreateFileMappingW(hFile, NULL, PAGE_READONLY, 0, 0, NULL)) == NULL) ||
2861 ((image = MapViewOfFile(hMap, FILE_MAP_READ, 0, 0, 0)) == NULL))
2862 {
2863 WARN("Unable to open .PDB file: %s\n", pdb_lookup->filename);
2864 ret = FALSE;
2865 }
2866 else
2867 {
2868 ret = pdb_init(pdb_lookup, &pdb_file, image, matched);
2869 pdb_free_file(&pdb_file);
2870 }
2871
2872 if (image) UnmapViewOfFile(image);
2873 if (hMap) CloseHandle(hMap);
2874 if (hFile != INVALID_HANDLE_VALUE) CloseHandle(hFile);
2875
2876 return ret;
2877 }
2878
2879 /*========================================================================
2880 * FPO unwinding code
2881 */
2882
2883 /* Stack unwinding is based on postfixed operations.
2884 * Let's define our Postfix EValuator
2885 */
2886 #define PEV_MAX_LEN 32
2887 struct pevaluator
2888 {
2889 struct cpu_stack_walk* csw;
2890 struct pool pool;
2891 struct vector stack;
2892 unsigned stk_index;
2893 struct hash_table values;
2894 char error[64];
2895 };
2896
2897 struct zvalue
2898 {
2899 DWORD_PTR value;
2900 struct hash_table_elt elt;
2901 };
2902
2903 #define PEV_ERROR(pev, msg) snprintf((pev)->error, sizeof((pev)->error), "%s", (msg)),FALSE
2904 #define PEV_ERROR1(pev, msg, pmt) snprintf((pev)->error, sizeof((pev)->error), (msg), (pmt)),FALSE
2905
2906 #if 0
2907 static void pev_dump_stack(struct pevaluator* pev)
2908 {
2909 unsigned i;
2910 FIXME("stack #%d\n", pev->stk_index);
2911 for (i = 0; i < pev->stk_index; i++)
2912 {
2913 FIXME("\t%d) %s\n", i, *(char**)vector_at(&pev->stack, i));
2914 }
2915 }
2916 #endif
2917
2918 /* get the value out of an operand (variable or literal) */
2919 static BOOL pev_get_val(struct pevaluator* pev, const char* str, DWORD_PTR* val)
2920 {
2921 char* n;
2922 struct hash_table_iter hti;
2923 void* ptr;
2924
2925 switch (str[0])
2926 {
2927 case '$':
2928 case '.':
2929 hash_table_iter_init(&pev->values, &hti, str);
2930 while ((ptr = hash_table_iter_up(&hti)))
2931 {
2932 if (!strcmp(GET_ENTRY(ptr, struct zvalue, elt)->elt.name, str))
2933 {
2934 *val = GET_ENTRY(ptr, struct zvalue, elt)->value;
2935 return TRUE;
2936 }
2937 }
2938 return PEV_ERROR1(pev, "get_zvalue: no value found (%s)", str);
2939 default:
2940 *val = strtol(str, &n, 10);
2941 if (n == str || *n != '\0')
2942 return PEV_ERROR1(pev, "get_val: not a literal (%s)", str);
2943 return TRUE;
2944 }
2945 }
2946
2947 /* push an operand onto the stack */
2948 static BOOL pev_push(struct pevaluator* pev, const char* elt)
2949 {
2950 char** at;
2951 if (pev->stk_index < vector_length(&pev->stack))
2952 at = vector_at(&pev->stack, pev->stk_index);
2953 else
2954 at = vector_add(&pev->stack, &pev->pool);
2955 if (!at) return PEV_ERROR(pev, "push: out of memory");
2956 *at = pool_strdup(&pev->pool, elt);
2957 pev->stk_index++;
2958 return TRUE;
2959 }
2960
2961 /* pop an operand from the stack */
2962 static BOOL pev_pop(struct pevaluator* pev, char* elt)
2963 {
2964 char** at = vector_at(&pev->stack, --pev->stk_index);
2965 if (!at) return PEV_ERROR(pev, "pop: stack empty");
2966 strcpy(elt, *at);
2967 return TRUE;
2968 }
2969
2970 /* pop an operand from the stack, and gets its value */
2971 static BOOL pev_pop_val(struct pevaluator* pev, DWORD_PTR* val)
2972 {
2973 char p[PEV_MAX_LEN];
2974
2975 return pev_pop(pev, p) && pev_get_val(pev, p, val);
2976 }
2977
2978 /* set var 'name' a new value (creates the var if it doesn't exist) */
2979 static BOOL pev_set_value(struct pevaluator* pev, const char* name, DWORD_PTR val)
2980 {
2981 struct hash_table_iter hti;
2982 void* ptr;
2983
2984 hash_table_iter_init(&pev->values, &hti, name);
2985 while ((ptr = hash_table_iter_up(&hti)))
2986 {
2987 if (!strcmp(GET_ENTRY(ptr, struct zvalue, elt)->elt.name, name))
2988 {
2989 GET_ENTRY(ptr, struct zvalue, elt)->value = val;
2990 break;
2991 }
2992 }
2993 if (!ptr)
2994 {
2995 struct zvalue* zv = pool_alloc(&pev->pool, sizeof(*zv));
2996 if (!zv) return PEV_ERROR(pev, "set_value: out of memory");
2997 zv->value = val;
2998
2999 zv->elt.name = pool_strdup(&pev->pool, name);
3000 hash_table_add(&pev->values, &zv->elt);
3001 }
3002 return TRUE;
3003 }
3004
3005 /* execute a binary operand from the two top most values on the stack.
3006 * puts result on top of the stack */
3007 static BOOL pev_binop(struct pevaluator* pev, char op)
3008 {
3009 char res[PEV_MAX_LEN];
3010 DWORD_PTR v1, v2, c;
3011
3012 if (!pev_pop_val(pev, &v1) || !pev_pop_val(pev, &v2)) return FALSE;
3013 switch (op)
3014 {
3015 case '+': c = v1 + v2; break;
3016 case '-': c = v1 - v2; break;
3017 case '*': c = v1 * v2; break;
3018 case '/': c = v1 / v2; break;
3019 case '%': c = v1 % v2; break;
3020 default: return PEV_ERROR1(pev, "binop: unknown op (%c)", op);
3021 }
3022 snprintf(res, sizeof(res), "%ld", c);
3023 pev_push(pev, res);
3024 return TRUE;
3025 }
3026
3027 /* pops top most operand, dereference it, on pushes the result on top of the stack */
3028 static BOOL pev_deref(struct pevaluator* pev)
3029 {
3030 char res[PEV_MAX_LEN];
3031 DWORD_PTR v1, v2;
3032
3033 if (!pev_pop_val(pev, &v1)) return FALSE;
3034 if (!sw_read_mem(pev->csw, v1, &v2, sizeof(v2)))
3035 return PEV_ERROR1(pev, "deref: cannot read mem at %lx\n", v1);
3036 snprintf(res, sizeof(res), "%ld", v2);
3037 pev_push(pev, res);
3038 return TRUE;
3039 }
3040
3041 /* assign value to variable (from two top most operands) */
3042 static BOOL pev_assign(struct pevaluator* pev)
3043 {
3044 char p2[PEV_MAX_LEN];
3045 DWORD_PTR v1;
3046
3047 if (!pev_pop_val(pev, &v1) || !pev_pop(pev, p2)) return FALSE;
3048 if (p2[0] != '$') return PEV_ERROR1(pev, "assign: %s isn't a variable", p2);
3049 pev_set_value(pev, p2, v1);
3050
3051 return TRUE;
3052 }
3053
3054 /* initializes the postfix evaluator */
3055 static void pev_init(struct pevaluator* pev, struct cpu_stack_walk* csw,
3056 PDB_FPO_DATA* fpoext, struct pdb_cmd_pair* cpair)
3057 {
3058 pev->csw = csw;
3059 pool_init(&pev->pool, 512);
3060 vector_init(&pev->stack, sizeof(char*), 8);
3061 pev->stk_index = 0;
3062 hash_table_init(&pev->pool, &pev->values, 8);
3063 pev->error[0] = '\0';
3064 for (; cpair->name; cpair++)
3065 pev_set_value(pev, cpair->name, *cpair->pvalue);
3066 pev_set_value(pev, ".raSearchStart", fpoext->start);
3067 pev_set_value(pev, ".cbLocals", fpoext->locals_size);
3068 pev_set_value(pev, ".cbParams", fpoext->params_size);
3069 pev_set_value(pev, ".cbSavedRegs", fpoext->savedregs_size);
3070 }
3071
3072 static BOOL pev_free(struct pevaluator* pev, struct pdb_cmd_pair* cpair)
3073 {
3074 DWORD_PTR val;
3075
3076 if (cpair) for (; cpair->name; cpair++)
3077 {
3078 if (pev_get_val(pev, cpair->name, &val))
3079 *cpair->pvalue = val;
3080 }
3081 pool_destroy(&pev->pool);
3082 return TRUE;
3083 }
3084
3085 static BOOL pdb_parse_cmd_string(struct cpu_stack_walk* csw, PDB_FPO_DATA* fpoext,
3086 const char* cmd, struct pdb_cmd_pair* cpair)
3087 {
3088 char token[PEV_MAX_LEN];
3089 char* ptok = token;
3090 const char* ptr;
3091 BOOL over = FALSE;
3092 struct pevaluator pev;
3093
3094 pev_init(&pev, csw, fpoext, cpair);
3095 for (ptr = cmd; !over; ptr++)
3096 {
3097 if (*ptr == ' ' || (over = *ptr == '\0'))
3098 {
3099 *ptok = '\0';
3100
3101 if (!strcmp(token, "+") || !strcmp(token, "-") || !strcmp(token, "*") ||
3102 !strcmp(token, "/") || !strcmp(token, "%"))
3103 {
3104 if (!pev_binop(&pev, token[0])) goto done;
3105 }
3106 else if (!strcmp(token, "^"))
3107 {
3108 if (!pev_deref(&pev)) goto done;
3109 }
3110 else if (!strcmp(token, "="))
3111 {
3112 if (!pev_assign(&pev)) goto done;
3113 }
3114 else
3115 {
3116 if (!pev_push(&pev, token)) goto done;
3117 }
3118 ptok = token;
3119 }
3120 else
3121 {
3122 if (ptok - token >= PEV_MAX_LEN - 1)
3123 {
3124 PEV_ERROR1(&pev, "parse: token too long (%s)", ptr - (ptok - token));
3125 goto done;
3126 }
3127 *ptok++ = *ptr;
3128 }
3129 }
3130 pev_free(&pev, cpair);
3131 return TRUE;
3132 done:
3133 FIXME("Couldn't evaluate %s => %s\n", wine_dbgstr_a(cmd), pev.error);
3134 pev_free(&pev, NULL);
3135 return FALSE;
3136 }
3137
3138 BOOL pdb_virtual_unwind(struct cpu_stack_walk* csw, DWORD_PTR ip,
3139 CONTEXT* context, struct pdb_cmd_pair* cpair)
3140 {
3141 struct module_pair pair;
3142 struct pdb_module_info* pdb_info;
3143 PDB_FPO_DATA* fpoext;
3144 unsigned i, size, strsize;
3145 char* strbase;
3146 BOOL ret = TRUE;
3147
3148 if (!(pair.pcs = process_find_by_handle(csw->hProcess)) ||
3149 !(pair.requested = module_find_by_addr(pair.pcs, ip, DMT_UNKNOWN)) ||
3150 !module_get_debug(&pair))
3151 return FALSE;
3152 if (!pair.effective->format_info[DFI_PDB]) return FALSE;
3153 pdb_info = pair.effective->format_info[DFI_PDB]->u.pdb_info;
3154 TRACE("searching %lx => %lx\n", ip, ip - (DWORD_PTR)pair.effective->module.BaseOfImage);
3155 ip -= (DWORD_PTR)pair.effective->module.BaseOfImage;
3156
3157 strbase = pdb_read_strings(&pdb_info->pdb_files[0]);
3158 if (!strbase) return FALSE;
3159 strsize = *(const DWORD*)(strbase + 8);
3160 fpoext = pdb_read_file(&pdb_info->pdb_files[0], pdb_info->pdb_files[0].fpoext_stream);
3161 size = pdb_get_file_size(&pdb_info->pdb_files[0], pdb_info->pdb_files[0].fpoext_stream);
3162 if (fpoext && (size % sizeof(*fpoext)) == 0)
3163 {
3164 size /= sizeof(*fpoext);
3165 for (i = 0; i < size; i++)
3166 {
3167 if (fpoext[i].start <= ip && ip < fpoext[i].start + fpoext[i].func_size)
3168 {
3169 TRACE("\t%08x %08x %8x %8x %4x %4x %4x %08x %s\n",
3170 fpoext[i].start, fpoext[i].func_size, fpoext[i].locals_size,
3171 fpoext[i].params_size, fpoext[i].maxstack_size, fpoext[i].prolog_size,
3172 fpoext[i].savedregs_size, fpoext[i].flags,
3173 fpoext[i].str_offset < strsize ?
3174 wine_dbgstr_a(strbase + 12 + fpoext[i].str_offset) : "<out of bounds>");
3175 if (fpoext[i].str_offset < strsize)
3176 ret = pdb_parse_cmd_string(csw, &fpoext[i], strbase + 12 + fpoext[i].str_offset, cpair);
3177 else
3178 ret = FALSE;
3179 break;
3180 }
3181 }
3182 }
3183 else ret = FALSE;
3184 pdb_free(fpoext);
3185 pdb_free(strbase);
3186
3187 return ret;
3188 }
3189
3190 /*========================================================================
3191 * Process CodeView debug information.
3192 */
3193
3194 #define MAKESIG(a,b,c,d) ((a) | ((b) << 8) | ((c) << 16) | ((d) << 24))
3195 #define CODEVIEW_NB09_SIG MAKESIG('N','B','0','9')
3196 #define CODEVIEW_NB10_SIG MAKESIG('N','B','1','0')
3197 #define CODEVIEW_NB11_SIG MAKESIG('N','B','1','1')
3198 #define CODEVIEW_RSDS_SIG MAKESIG('R','S','D','S')
3199
3200 static BOOL codeview_process_info(const struct process* pcs,
3201 const struct msc_debug_info* msc_dbg)
3202 {
3203 const DWORD* signature = (const DWORD*)msc_dbg->root;
3204 BOOL ret = FALSE;
3205 struct pdb_lookup pdb_lookup;
3206
3207 TRACE("Processing signature %.4s\n", (const char*)signature);
3208
3209 switch (*signature)
3210 {
3211 case CODEVIEW_NB09_SIG:
3212 case CODEVIEW_NB11_SIG:
3213 {
3214 const OMFSignature* cv = (const OMFSignature*)msc_dbg->root;
3215 const OMFDirHeader* hdr = (const OMFDirHeader*)(msc_dbg->root + cv->filepos);
3216 const OMFDirEntry* ent;
3217 const OMFDirEntry* prev;
3218 const OMFDirEntry* next;
3219 unsigned int i;
3220
3221 codeview_init_basic_types(msc_dbg->module);
3222
3223 for (i = 0; i < hdr->cDir; i++)
3224 {
3225 ent = (const OMFDirEntry*)((const BYTE*)hdr + hdr->cbDirHeader + i * hdr->cbDirEntry);
3226 if (ent->SubSection == sstGlobalTypes)
3227 {
3228 const OMFGlobalTypes* types;
3229 struct codeview_type_parse ctp;
3230
3231 types = (const OMFGlobalTypes*)(msc_dbg->root + ent->lfo);
3232 ctp.module = msc_dbg->module;
3233 ctp.offset = (const DWORD*)(types + 1);
3234 ctp.num = types->cTypes;
3235 ctp.table = (const BYTE*)(ctp.offset + types->cTypes);
3236
3237 cv_current_module = &cv_zmodules[0];
3238 if (cv_current_module->allowed) FIXME("Already allowed ??\n");
3239 cv_current_module->allowed = TRUE;
3240
3241 codeview_parse_type_table(&ctp);
3242 break;
3243 }
3244 }
3245
3246 ent = (const OMFDirEntry*)((const BYTE*)hdr + hdr->cbDirHeader);
3247 for (i = 0; i < hdr->cDir; i++, ent = next)
3248 {
3249 next = (i == hdr->cDir-1) ? NULL :
3250 (const OMFDirEntry*)((const BYTE*)ent + hdr->cbDirEntry);
3251 prev = (i == 0) ? NULL :
3252 (const OMFDirEntry*)((const BYTE*)ent - hdr->cbDirEntry);
3253
3254 if (ent->SubSection == sstAlignSym)
3255 {
3256 codeview_snarf(msc_dbg, msc_dbg->root + ent->lfo, sizeof(DWORD),
3257 ent->cb, TRUE);
3258
3259 /*
3260 * Check the next and previous entry. If either is a
3261 * sstSrcModule, it contains the line number info for
3262 * this file.
3263 *
3264 * FIXME: This is not a general solution!
3265 */
3266 if (next && next->iMod == ent->iMod && next->SubSection == sstSrcModule)
3267 codeview_snarf_linetab(msc_dbg, msc_dbg->root + next->lfo,
3268 next->cb, TRUE);
3269
3270 if (prev && prev->iMod == ent->iMod && prev->SubSection == sstSrcModule)
3271 codeview_snarf_linetab(msc_dbg, msc_dbg->root + prev->lfo,
3272 prev->cb, TRUE);
3273
3274 }
3275 }
3276
3277 msc_dbg->module->module.SymType = SymCv;
3278 /* FIXME: we could have a finer grain here */
3279 msc_dbg->module->module.LineNumbers = TRUE;
3280 msc_dbg->module->module.GlobalSymbols = TRUE;
3281 msc_dbg->module->module.TypeInfo = TRUE;
3282 msc_dbg->module->module.SourceIndexed = TRUE;
3283 msc_dbg->module->module.Publics = TRUE;
3284 codeview_clear_type_table();
3285 ret = TRUE;
3286 break;
3287 }
3288
3289 case CODEVIEW_NB10_SIG:
3290 {
3291 const CODEVIEW_PDB_DATA* pdb = (const CODEVIEW_PDB_DATA*)msc_dbg->root;
3292 pdb_lookup.filename = pdb->name;
3293 pdb_lookup.kind = PDB_JG;
3294 pdb_lookup.timestamp = pdb->timestamp;
3295 pdb_lookup.age = pdb->age;
3296 ret = pdb_process_file(pcs, msc_dbg, &pdb_lookup);
3297 break;
3298 }
3299 case CODEVIEW_RSDS_SIG:
3300 {
3301 const OMFSignatureRSDS* rsds = (const OMFSignatureRSDS*)msc_dbg->root;
3302
3303 TRACE("Got RSDS type of PDB file: guid=%s age=%08x name=%s\n",
3304 wine_dbgstr_guid(&rsds->guid), rsds->age, rsds->name);
3305 pdb_lookup.filename = rsds->name;
3306 pdb_lookup.kind = PDB_DS;
3307 pdb_lookup.guid = rsds->guid;
3308 pdb_lookup.age = rsds->age;
3309 ret = pdb_process_file(pcs, msc_dbg, &pdb_lookup);
3310 break;
3311 }
3312 default:
3313 ERR("Unknown CODEVIEW signature %08x in module %s\n",
3314 *signature, debugstr_w(msc_dbg->module->module.ModuleName));
3315 break;
3316 }
3317 if (ret)
3318 {
3319 msc_dbg->module->module.CVSig = *signature;
3320 memcpy(msc_dbg->module->module.CVData, msc_dbg->root,
3321 sizeof(msc_dbg->module->module.CVData));
3322 }
3323 return ret;
3324 }
3325
3326 /*========================================================================
3327 * Process debug directory.
3328 */
3329 BOOL pe_load_debug_directory(const struct process* pcs, struct module* module,
3330 const BYTE* mapping,
3331 const IMAGE_SECTION_HEADER* sectp, DWORD nsect,
3332 const IMAGE_DEBUG_DIRECTORY* dbg, int nDbg)
3333 {
3334 BOOL ret;
3335 int i;
3336 struct msc_debug_info msc_dbg;
3337
3338 msc_dbg.module = module;
3339 msc_dbg.nsect = nsect;
3340 msc_dbg.sectp = sectp;
3341 msc_dbg.nomap = 0;
3342 msc_dbg.omapp = NULL;
3343
3344 __TRY
3345 {
3346 ret = FALSE;
3347
3348 /* First, watch out for OMAP data */
3349 for (i = 0; i < nDbg; i++)
3350 {
3351 if (dbg[i].Type == IMAGE_DEBUG_TYPE_OMAP_FROM_SRC)
3352 {
3353 msc_dbg.nomap = dbg[i].SizeOfData / sizeof(OMAP_DATA);
3354 msc_dbg.omapp = (const OMAP_DATA*)(mapping + dbg[i].PointerToRawData);
3355 break;
3356 }
3357 }
3358
3359 /* Now, try to parse CodeView debug info */
3360 for (i = 0; i < nDbg; i++)
3361 {
3362 if (dbg[i].Type == IMAGE_DEBUG_TYPE_CODEVIEW)
3363 {
3364 msc_dbg.root = mapping + dbg[i].PointerToRawData;
3365 if ((ret = codeview_process_info(pcs, &msc_dbg))) goto done;
3366 }
3367 }
3368
3369 /* If not found, try to parse COFF debug info */
3370 for (i = 0; i < nDbg; i++)
3371 {
3372 if (dbg[i].Type == IMAGE_DEBUG_TYPE_COFF)
3373 {
3374 msc_dbg.root = mapping + dbg[i].PointerToRawData;
3375 if ((ret = coff_process_info(&msc_dbg))) goto done;
3376 }
3377 }
3378 done:
3379 /* FIXME: this should be supported... this is the debug information for
3380 * functions compiled without a frame pointer (FPO = frame pointer omission)
3381 * the associated data helps finding out the relevant information
3382 */
3383 for (i = 0; i < nDbg; i++)
3384 if (dbg[i].Type == IMAGE_DEBUG_TYPE_FPO)
3385 FIXME("This guy has FPO information\n");
3386 #if 0
3387
3388 #define FRAME_FPO 0
3389 #define FRAME_TRAP 1
3390 #define FRAME_TSS 2
3391
3392 typedef struct _FPO_DATA
3393 {
3394 DWORD ulOffStart; /* offset 1st byte of function code */
3395 DWORD cbProcSize; /* # bytes in function */
3396 DWORD cdwLocals; /* # bytes in locals/4 */
3397 WORD cdwParams; /* # bytes in params/4 */
3398
3399 WORD cbProlog : 8; /* # bytes in prolog */
3400 WORD cbRegs : 3; /* # regs saved */
3401 WORD fHasSEH : 1; /* TRUE if SEH in func */
3402 WORD fUseBP : 1; /* TRUE if EBP has been allocated */
3403 WORD reserved : 1; /* reserved for future use */
3404 WORD cbFrame : 2; /* frame type */
3405 } FPO_DATA;
3406 #endif
3407
3408 }
3409 __EXCEPT_PAGE_FAULT
3410 {
3411 ERR("Got a page fault while loading symbols\n");
3412 ret = FALSE;
3413 }
3414 __ENDTRY
3415 return ret;
3416 }
Maarten's multimedia branch