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kernel32: Add more tracing to GetDiskFreeSpaceW.
[wine/multimedia.git] / dlls / dbghelp / msc.c
blob7a68e1d1ff7db0fb7add00f3a839ceab1c1d7e21
1 /*
2 * File msc.c - read VC++ debug information from COFF and eventually
3 * from PDB files.
4 *
5 * Copyright (C) 1996, Eric Youngdale.
6 * Copyright (C) 1999-2000, Ulrich Weigand.
7 * Copyright (C) 2004-2009, Eric Pouech.
8 *
9 * This library is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public
11 * License as published by the Free Software Foundation; either
12 * version 2.1 of the License, or (at your option) any later version.
13 *
14 * This library is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Lesser General Public License for more details.
18 *
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with this library; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
22 */
23
24 /*
25 * Note - this handles reading debug information for 32 bit applications
26 * that run under Windows-NT for example. I doubt that this would work well
27 * for 16 bit applications, but I don't think it really matters since the
28 * file format is different, and we should never get in here in such cases.
29 *
30 * TODO:
31 * Get 16 bit CV stuff working.
32 * Add symbol size to internal symbol table.
33 */
34
35 #define NONAMELESSUNION
36
37 #include "config.h"
38 #include "wine/port.h"
39
40 #include <assert.h>
41 #include <stdio.h>
42 #include <stdlib.h>
43
44 #include <string.h>
45 #ifdef HAVE_UNISTD_H
46 # include <unistd.h>
47 #endif
48
49 #include <stdarg.h>
50 #include "windef.h"
51 #include "winbase.h"
52 #include "winternl.h"
53
54 #include "wine/exception.h"
55 #include "wine/debug.h"
56 #include "dbghelp_private.h"
57 #include "wine/mscvpdb.h"
58
59 WINE_DEFAULT_DEBUG_CHANNEL(dbghelp_msc);
60
61 #define MAX_PATHNAME_LEN 1024
62
63 struct pdb_stream_name
64 {
65 const char* name;
66 unsigned index;
67 };
68
69 struct pdb_file_info
70 {
71 enum pdb_kind kind;
72 DWORD age;
73 HANDLE hMap;
74 const char* image;
75 struct pdb_stream_name* stream_dict;
76 unsigned fpoext_stream;
77 union
78 {
79 struct
80 {
81 DWORD timestamp;
82 struct PDB_JG_TOC* toc;
83 } jg;
84 struct
85 {
86 GUID guid;
87 struct PDB_DS_TOC* toc;
88 } ds;
89 } u;
90 };
91
92 /* FIXME: don't make it static */
93 #define CV_MAX_MODULES 32
94 struct pdb_module_info
95 {
96 unsigned used_subfiles;
97 struct pdb_file_info pdb_files[CV_MAX_MODULES];
98 };
99
100 /*========================================================================
101 * Debug file access helper routines
102 */
103
104 static void dump(const void* ptr, unsigned len)
105 {
106 unsigned int i, j;
107 char msg[128];
108 const char* hexof = "0123456789abcdef";
109 const BYTE* x = ptr;
110
111 for (i = 0; i < len; i += 16)
112 {
113 sprintf(msg, "%08x: ", i);
114 memset(msg + 10, ' ', 3 * 16 + 1 + 16);
115 for (j = 0; j < min(16, len - i); j++)
116 {
117 msg[10 + 3 * j + 0] = hexof[x[i + j] >> 4];
118 msg[10 + 3 * j + 1] = hexof[x[i + j] & 15];
119 msg[10 + 3 * j + 2] = ' ';
120 msg[10 + 3 * 16 + 1 + j] = (x[i + j] >= 0x20 && x[i + j] < 0x7f) ?
121 x[i + j] : '.';
122 }
123 msg[10 + 3 * 16] = ' ';
124 msg[10 + 3 * 16 + 1 + 16] = '\0';
125 FIXME("%s\n", msg);
126 }
127 }
128
129 /*========================================================================
130 * Process CodeView type information.
131 */
132
133 #define MAX_BUILTIN_TYPES 0x06FF
134 #define FIRST_DEFINABLE_TYPE 0x1000
135
136 static struct symt* cv_basic_types[MAX_BUILTIN_TYPES];
137
138 struct cv_defined_module
139 {
140 BOOL allowed;
141 unsigned int num_defined_types;
142 struct symt** defined_types;
143 };
144 /* FIXME: don't make it static */
145 #define CV_MAX_MODULES 32
146 static struct cv_defined_module cv_zmodules[CV_MAX_MODULES];
147 static struct cv_defined_module*cv_current_module;
148
149 static void codeview_init_basic_types(struct module* module)
150 {
151 /*
152 * These are the common builtin types that are used by VC++.
153 */
154 cv_basic_types[T_NOTYPE] = NULL;
155 cv_basic_types[T_ABS] = NULL;
156 cv_basic_types[T_VOID] = &symt_new_basic(module, btVoid, "void", 0)->symt;
157 cv_basic_types[T_CHAR] = &symt_new_basic(module, btChar, "char", 1)->symt;
158 cv_basic_types[T_SHORT] = &symt_new_basic(module, btInt, "short int", 2)->symt;
159 cv_basic_types[T_LONG] = &symt_new_basic(module, btInt, "long int", 4)->symt;
160 cv_basic_types[T_QUAD] = &symt_new_basic(module, btInt, "long long int", 8)->symt;
161 cv_basic_types[T_UCHAR] = &symt_new_basic(module, btUInt, "unsigned char", 1)->symt;
162 cv_basic_types[T_USHORT] = &symt_new_basic(module, btUInt, "unsigned short", 2)->symt;
163 cv_basic_types[T_ULONG] = &symt_new_basic(module, btUInt, "unsigned long", 4)->symt;
164 cv_basic_types[T_UQUAD] = &symt_new_basic(module, btUInt, "unsigned long long", 8)->symt;
165 cv_basic_types[T_BOOL08] = &symt_new_basic(module, btBool, "BOOL08", 1)->symt;
166 cv_basic_types[T_BOOL16] = &symt_new_basic(module, btBool, "BOOL16", 2)->symt;
167 cv_basic_types[T_BOOL32] = &symt_new_basic(module, btBool, "BOOL32", 4)->symt;
168 cv_basic_types[T_BOOL64] = &symt_new_basic(module, btBool, "BOOL64", 8)->symt;
169 cv_basic_types[T_REAL32] = &symt_new_basic(module, btFloat, "float", 4)->symt;
170 cv_basic_types[T_REAL64] = &symt_new_basic(module, btFloat, "double", 8)->symt;
171 cv_basic_types[T_REAL80] = &symt_new_basic(module, btFloat, "long double", 10)->symt;
172 cv_basic_types[T_RCHAR] = &symt_new_basic(module, btInt, "signed char", 1)->symt;
173 cv_basic_types[T_WCHAR] = &symt_new_basic(module, btWChar, "wchar_t", 2)->symt;
174 cv_basic_types[T_INT2] = &symt_new_basic(module, btInt, "INT2", 2)->symt;
175 cv_basic_types[T_UINT2] = &symt_new_basic(module, btUInt, "UINT2", 2)->symt;
176 cv_basic_types[T_INT4] = &symt_new_basic(module, btInt, "INT4", 4)->symt;
177 cv_basic_types[T_UINT4] = &symt_new_basic(module, btUInt, "UINT4", 4)->symt;
178 cv_basic_types[T_INT8] = &symt_new_basic(module, btInt, "INT8", 8)->symt;
179 cv_basic_types[T_UINT8] = &symt_new_basic(module, btUInt, "UINT8", 8)->symt;
180 cv_basic_types[T_HRESULT]= &symt_new_basic(module, btUInt, "HRESULT", 4)->symt;
181
182 cv_basic_types[T_32PVOID] = &symt_new_pointer(module, cv_basic_types[T_VOID], 4)->symt;
183 cv_basic_types[T_32PCHAR] = &symt_new_pointer(module, cv_basic_types[T_CHAR], 4)->symt;
184 cv_basic_types[T_32PSHORT] = &symt_new_pointer(module, cv_basic_types[T_SHORT], 4)->symt;
185 cv_basic_types[T_32PLONG] = &symt_new_pointer(module, cv_basic_types[T_LONG], 4)->symt;
186 cv_basic_types[T_32PQUAD] = &symt_new_pointer(module, cv_basic_types[T_QUAD], 4)->symt;
187 cv_basic_types[T_32PUCHAR] = &symt_new_pointer(module, cv_basic_types[T_UCHAR], 4)->symt;
188 cv_basic_types[T_32PUSHORT] = &symt_new_pointer(module, cv_basic_types[T_USHORT], 4)->symt;
189 cv_basic_types[T_32PULONG] = &symt_new_pointer(module, cv_basic_types[T_ULONG], 4)->symt;
190 cv_basic_types[T_32PUQUAD] = &symt_new_pointer(module, cv_basic_types[T_UQUAD], 4)->symt;
191 cv_basic_types[T_32PBOOL08] = &symt_new_pointer(module, cv_basic_types[T_BOOL08], 4)->symt;
192 cv_basic_types[T_32PBOOL16] = &symt_new_pointer(module, cv_basic_types[T_BOOL16], 4)->symt;
193 cv_basic_types[T_32PBOOL32] = &symt_new_pointer(module, cv_basic_types[T_BOOL32], 4)->symt;
194 cv_basic_types[T_32PBOOL64] = &symt_new_pointer(module, cv_basic_types[T_BOOL64], 4)->symt;
195 cv_basic_types[T_32PREAL32] = &symt_new_pointer(module, cv_basic_types[T_REAL32], 4)->symt;
196 cv_basic_types[T_32PREAL64] = &symt_new_pointer(module, cv_basic_types[T_REAL64], 4)->symt;
197 cv_basic_types[T_32PREAL80] = &symt_new_pointer(module, cv_basic_types[T_REAL80], 4)->symt;
198 cv_basic_types[T_32PRCHAR] = &symt_new_pointer(module, cv_basic_types[T_RCHAR], 4)->symt;
199 cv_basic_types[T_32PWCHAR] = &symt_new_pointer(module, cv_basic_types[T_WCHAR], 4)->symt;
200 cv_basic_types[T_32PINT2] = &symt_new_pointer(module, cv_basic_types[T_INT2], 4)->symt;
201 cv_basic_types[T_32PUINT2] = &symt_new_pointer(module, cv_basic_types[T_UINT2], 4)->symt;
202 cv_basic_types[T_32PINT4] = &symt_new_pointer(module, cv_basic_types[T_INT4], 4)->symt;
203 cv_basic_types[T_32PUINT4] = &symt_new_pointer(module, cv_basic_types[T_UINT4], 4)->symt;
204 cv_basic_types[T_32PINT8] = &symt_new_pointer(module, cv_basic_types[T_INT8], 4)->symt;
205 cv_basic_types[T_32PUINT8] = &symt_new_pointer(module, cv_basic_types[T_UINT8], 4)->symt;
206 cv_basic_types[T_32PHRESULT]= &symt_new_pointer(module, cv_basic_types[T_HRESULT], 4)->symt;
207
208 cv_basic_types[T_64PVOID] = &symt_new_pointer(module, cv_basic_types[T_VOID], 8)->symt;
209 cv_basic_types[T_64PCHAR] = &symt_new_pointer(module, cv_basic_types[T_CHAR], 8)->symt;
210 cv_basic_types[T_64PSHORT] = &symt_new_pointer(module, cv_basic_types[T_SHORT], 8)->symt;
211 cv_basic_types[T_64PLONG] = &symt_new_pointer(module, cv_basic_types[T_LONG], 8)->symt;
212 cv_basic_types[T_64PQUAD] = &symt_new_pointer(module, cv_basic_types[T_QUAD], 8)->symt;
213 cv_basic_types[T_64PUCHAR] = &symt_new_pointer(module, cv_basic_types[T_UCHAR], 8)->symt;
214 cv_basic_types[T_64PUSHORT] = &symt_new_pointer(module, cv_basic_types[T_USHORT], 8)->symt;
215 cv_basic_types[T_64PULONG] = &symt_new_pointer(module, cv_basic_types[T_ULONG], 8)->symt;
216 cv_basic_types[T_64PUQUAD] = &symt_new_pointer(module, cv_basic_types[T_UQUAD], 8)->symt;
217 cv_basic_types[T_64PBOOL08] = &symt_new_pointer(module, cv_basic_types[T_BOOL08], 8)->symt;
218 cv_basic_types[T_64PBOOL16] = &symt_new_pointer(module, cv_basic_types[T_BOOL16], 8)->symt;
219 cv_basic_types[T_64PBOOL32] = &symt_new_pointer(module, cv_basic_types[T_BOOL32], 8)->symt;
220 cv_basic_types[T_64PBOOL64] = &symt_new_pointer(module, cv_basic_types[T_BOOL64], 8)->symt;
221 cv_basic_types[T_64PREAL32] = &symt_new_pointer(module, cv_basic_types[T_REAL32], 8)->symt;
222 cv_basic_types[T_64PREAL64] = &symt_new_pointer(module, cv_basic_types[T_REAL64], 8)->symt;
223 cv_basic_types[T_64PREAL80] = &symt_new_pointer(module, cv_basic_types[T_REAL80], 8)->symt;
224 cv_basic_types[T_64PRCHAR] = &symt_new_pointer(module, cv_basic_types[T_RCHAR], 8)->symt;
225 cv_basic_types[T_64PWCHAR] = &symt_new_pointer(module, cv_basic_types[T_WCHAR], 8)->symt;
226 cv_basic_types[T_64PINT2] = &symt_new_pointer(module, cv_basic_types[T_INT2], 8)->symt;
227 cv_basic_types[T_64PUINT2] = &symt_new_pointer(module, cv_basic_types[T_UINT2], 8)->symt;
228 cv_basic_types[T_64PINT4] = &symt_new_pointer(module, cv_basic_types[T_INT4], 8)->symt;
229 cv_basic_types[T_64PUINT4] = &symt_new_pointer(module, cv_basic_types[T_UINT4], 8)->symt;
230 cv_basic_types[T_64PINT8] = &symt_new_pointer(module, cv_basic_types[T_INT8], 8)->symt;
231 cv_basic_types[T_64PUINT8] = &symt_new_pointer(module, cv_basic_types[T_UINT8], 8)->symt;
232 cv_basic_types[T_64PHRESULT]= &symt_new_pointer(module, cv_basic_types[T_HRESULT], 8)->symt;
233 }
234
235 static int leaf_as_variant(VARIANT* v, const unsigned short int* leaf)
236 {
237 unsigned short int type = *leaf++;
238 int length = 2;
239
240 if (type < LF_NUMERIC)
241 {
242 v->n1.n2.vt = VT_UINT;
243 v->n1.n2.n3.uintVal = type;
244 }
245 else
246 {
247 switch (type)
248 {
249 case LF_CHAR:
250 length += 1;
251 v->n1.n2.vt = VT_I1;
252 v->n1.n2.n3.cVal = *(const char*)leaf;
253 break;
254
255 case LF_SHORT:
256 length += 2;
257 v->n1.n2.vt = VT_I2;
258 v->n1.n2.n3.iVal = *(const short*)leaf;
259 break;
260
261 case LF_USHORT:
262 length += 2;
263 v->n1.n2.vt = VT_UI2;
264 v->n1.n2.n3.uiVal = *leaf;
265 break;
266
267 case LF_LONG:
268 length += 4;
269 v->n1.n2.vt = VT_I4;
270 v->n1.n2.n3.lVal = *(const int*)leaf;
271 break;
272
273 case LF_ULONG:
274 length += 4;
275 v->n1.n2.vt = VT_UI4;
276 v->n1.n2.n3.uiVal = *(const unsigned int*)leaf;
277 break;
278
279 case LF_QUADWORD:
280 length += 8;
281 v->n1.n2.vt = VT_I8;
282 v->n1.n2.n3.llVal = *(const long long int*)leaf;
283 break;
284
285 case LF_UQUADWORD:
286 length += 8;
287 v->n1.n2.vt = VT_UI8;
288 v->n1.n2.n3.ullVal = *(const long long unsigned int*)leaf;
289 break;
290
291 case LF_REAL32:
292 length += 4;
293 v->n1.n2.vt = VT_R4;
294 v->n1.n2.n3.fltVal = *(const float*)leaf;
295 break;
296
297 case LF_REAL48:
298 FIXME("Unsupported numeric leaf type %04x\n", type);
299 length += 6;
300 v->n1.n2.vt = VT_EMPTY; /* FIXME */
301 break;
302
303 case LF_REAL64:
304 length += 8;
305 v->n1.n2.vt = VT_R8;
306 v->n1.n2.n3.fltVal = *(const double*)leaf;
307 break;
308
309 case LF_REAL80:
310 FIXME("Unsupported numeric leaf type %04x\n", type);
311 length += 10;
312 v->n1.n2.vt = VT_EMPTY; /* FIXME */
313 break;
314
315 case LF_REAL128:
316 FIXME("Unsupported numeric leaf type %04x\n", type);
317 length += 16;
318 v->n1.n2.vt = VT_EMPTY; /* FIXME */
319 break;
320
321 case LF_COMPLEX32:
322 FIXME("Unsupported numeric leaf type %04x\n", type);
323 length += 4;
324 v->n1.n2.vt = VT_EMPTY; /* FIXME */
325 break;
326
327 case LF_COMPLEX64:
328 FIXME("Unsupported numeric leaf type %04x\n", type);
329 length += 8;
330 v->n1.n2.vt = VT_EMPTY; /* FIXME */
331 break;
332
333 case LF_COMPLEX80:
334 FIXME("Unsupported numeric leaf type %04x\n", type);
335 length += 10;
336 v->n1.n2.vt = VT_EMPTY; /* FIXME */
337 break;
338
339 case LF_COMPLEX128:
340 FIXME("Unsupported numeric leaf type %04x\n", type);
341 length += 16;
342 v->n1.n2.vt = VT_EMPTY; /* FIXME */
343 break;
344
345 case LF_VARSTRING:
346 FIXME("Unsupported numeric leaf type %04x\n", type);
347 length += 2 + *leaf;
348 v->n1.n2.vt = VT_EMPTY; /* FIXME */
349 break;
350
351 default:
352 FIXME("Unknown numeric leaf type %04x\n", type);
353 v->n1.n2.vt = VT_EMPTY; /* FIXME */
354 break;
355 }
356 }
357
358 return length;
359 }
360
361 static int numeric_leaf(int* value, const unsigned short int* leaf)
362 {
363 unsigned short int type = *leaf++;
364 int length = 2;
365
366 if (type < LF_NUMERIC)
367 {
368 *value = type;
369 }
370 else
371 {
372 switch (type)
373 {
374 case LF_CHAR:
375 length += 1;
376 *value = *(const char*)leaf;
377 break;
378
379 case LF_SHORT:
380 length += 2;
381 *value = *(const short*)leaf;
382 break;
383
384 case LF_USHORT:
385 length += 2;
386 *value = *leaf;
387 break;
388
389 case LF_LONG:
390 length += 4;
391 *value = *(const int*)leaf;
392 break;
393
394 case LF_ULONG:
395 length += 4;
396 *value = *(const unsigned int*)leaf;
397 break;
398
399 case LF_QUADWORD:
400 case LF_UQUADWORD:
401 FIXME("Unsupported numeric leaf type %04x\n", type);
402 length += 8;
403 *value = 0; /* FIXME */
404 break;
405
406 case LF_REAL32:
407 FIXME("Unsupported numeric leaf type %04x\n", type);
408 length += 4;
409 *value = 0; /* FIXME */
410 break;
411
412 case LF_REAL48:
413 FIXME("Unsupported numeric leaf type %04x\n", type);
414 length += 6;
415 *value = 0; /* FIXME */
416 break;
417
418 case LF_REAL64:
419 FIXME("Unsupported numeric leaf type %04x\n", type);
420 length += 8;
421 *value = 0; /* FIXME */
422 break;
423
424 case LF_REAL80:
425 FIXME("Unsupported numeric leaf type %04x\n", type);
426 length += 10;
427 *value = 0; /* FIXME */
428 break;
429
430 case LF_REAL128:
431 FIXME("Unsupported numeric leaf type %04x\n", type);
432 length += 16;
433 *value = 0; /* FIXME */
434 break;
435
436 case LF_COMPLEX32:
437 FIXME("Unsupported numeric leaf type %04x\n", type);
438 length += 4;
439 *value = 0; /* FIXME */
440 break;
441
442 case LF_COMPLEX64:
443 FIXME("Unsupported numeric leaf type %04x\n", type);
444 length += 8;
445 *value = 0; /* FIXME */
446 break;
447
448 case LF_COMPLEX80:
449 FIXME("Unsupported numeric leaf type %04x\n", type);
450 length += 10;
451 *value = 0; /* FIXME */
452 break;
453
454 case LF_COMPLEX128:
455 FIXME("Unsupported numeric leaf type %04x\n", type);
456 length += 16;
457 *value = 0; /* FIXME */
458 break;
459
460 case LF_VARSTRING:
461 FIXME("Unsupported numeric leaf type %04x\n", type);
462 length += 2 + *leaf;
463 *value = 0; /* FIXME */
464 break;
465
466 default:
467 FIXME("Unknown numeric leaf type %04x\n", type);
468 *value = 0;
469 break;
470 }
471 }
472
473 return length;
474 }
475
476 /* convert a pascal string (as stored in debug information) into
477 * a C string (null terminated).
478 */
479 static const char* terminate_string(const struct p_string* p_name)
480 {
481 static char symname[256];
482
483 memcpy(symname, p_name->name, p_name->namelen);
484 symname[p_name->namelen] = '\0';
485
486 return (!*symname || strcmp(symname, "__unnamed") == 0) ? NULL : symname;
487 }
488
489 static struct symt* codeview_get_type(unsigned int typeno, BOOL quiet)
490 {
491 struct symt* symt = NULL;
492
493 /*
494 * Convert Codeview type numbers into something we can grok internally.
495 * Numbers < FIRST_DEFINABLE_TYPE are all fixed builtin types.
496 * Numbers from FIRST_DEFINABLE_TYPE and up are all user defined (structs, etc).
497 */
498 if (typeno < FIRST_DEFINABLE_TYPE)
499 {
500 if (typeno < MAX_BUILTIN_TYPES)
501 symt = cv_basic_types[typeno];
502 }
503 else
504 {
505 unsigned mod_index = typeno >> 24;
506 unsigned mod_typeno = typeno & 0x00FFFFFF;
507 struct cv_defined_module* mod;
508
509 mod = (mod_index == 0) ? cv_current_module : &cv_zmodules[mod_index];
510
511 if (mod_index >= CV_MAX_MODULES || !mod->allowed)
512 FIXME("Module of index %d isn't loaded yet (%x)\n", mod_index, typeno);
513 else
514 {
515 if (mod_typeno - FIRST_DEFINABLE_TYPE < mod->num_defined_types)
516 symt = mod->defined_types[mod_typeno - FIRST_DEFINABLE_TYPE];
517 }
518 }
519 if (!quiet && !symt && typeno) FIXME("Returning NULL symt for type-id %x\n", typeno);
520 return symt;
521 }
522
523 struct codeview_type_parse
524 {
525 struct module* module;
526 const BYTE* table;
527 const DWORD* offset;
528 DWORD num;
529 };
530
531 static inline const void* codeview_jump_to_type(const struct codeview_type_parse* ctp, DWORD idx)
532 {
533 if (idx < FIRST_DEFINABLE_TYPE) return NULL;
534 idx -= FIRST_DEFINABLE_TYPE;
535 return (idx >= ctp->num) ? NULL : (ctp->table + ctp->offset[idx]);
536 }
537
538 static int codeview_add_type(unsigned int typeno, struct symt* dt)
539 {
540 if (typeno < FIRST_DEFINABLE_TYPE)
541 FIXME("What the heck\n");
542 if (!cv_current_module)
543 {
544 FIXME("Adding %x to non allowed module\n", typeno);
545 return FALSE;
546 }
547 if ((typeno >> 24) != 0)
548 FIXME("No module index while inserting type-id assumption is wrong %x\n",
549 typeno);
550 if (typeno - FIRST_DEFINABLE_TYPE >= cv_current_module->num_defined_types)
551 {
552 if (cv_current_module->defined_types)
553 {
554 cv_current_module->num_defined_types = max( cv_current_module->num_defined_types * 2,
555 typeno - FIRST_DEFINABLE_TYPE + 1 );
556 cv_current_module->defined_types = HeapReAlloc(GetProcessHeap(),
557 HEAP_ZERO_MEMORY, cv_current_module->defined_types,
558 cv_current_module->num_defined_types * sizeof(struct symt*));
559 }
560 else
561 {
562 cv_current_module->num_defined_types = max( 256, typeno - FIRST_DEFINABLE_TYPE + 1 );
563 cv_current_module->defined_types = HeapAlloc(GetProcessHeap(),
564 HEAP_ZERO_MEMORY,
565 cv_current_module->num_defined_types * sizeof(struct symt*));
566 }
567 if (cv_current_module->defined_types == NULL) return FALSE;
568 }
569 if (cv_current_module->defined_types[typeno - FIRST_DEFINABLE_TYPE])
570 {
571 if (cv_current_module->defined_types[typeno - FIRST_DEFINABLE_TYPE] != dt)
572 FIXME("Overwriting at %x\n", typeno);
573 }
574 cv_current_module->defined_types[typeno - FIRST_DEFINABLE_TYPE] = dt;
575 return TRUE;
576 }
577
578 static void codeview_clear_type_table(void)
579 {
580 int i;
581
582 for (i = 0; i < CV_MAX_MODULES; i++)
583 {
584 if (cv_zmodules[i].allowed)
585 HeapFree(GetProcessHeap(), 0, cv_zmodules[i].defined_types);
586 cv_zmodules[i].allowed = FALSE;
587 cv_zmodules[i].defined_types = NULL;
588 cv_zmodules[i].num_defined_types = 0;
589 }
590 cv_current_module = NULL;
591 }
592
593 static struct symt* codeview_parse_one_type(struct codeview_type_parse* ctp,
594 unsigned curr_type,
595 const union codeview_type* type, BOOL details);
596
597 static void* codeview_cast_symt(struct symt* symt, enum SymTagEnum tag)
598 {
599 if (symt->tag != tag)
600 {
601 FIXME("Bad tag. Expected %d, but got %d\n", tag, symt->tag);
602 return NULL;
603 }
604 return symt;
605 }
606
607 static struct symt* codeview_fetch_type(struct codeview_type_parse* ctp,
608 unsigned typeno, BOOL details)
609 {
610 struct symt* symt;
611 const union codeview_type* p;
612
613 if (!typeno) return NULL;
614 if ((symt = codeview_get_type(typeno, TRUE))) return symt;
615
616 /* forward declaration */
617 if (!(p = codeview_jump_to_type(ctp, typeno)))
618 {
619 FIXME("Cannot locate type %x\n", typeno);
620 return NULL;
621 }
622 symt = codeview_parse_one_type(ctp, typeno, p, details);
623 if (!symt) FIXME("Couldn't load forward type %x\n", typeno);
624 return symt;
625 }
626
627 static struct symt* codeview_add_type_pointer(struct codeview_type_parse* ctp,
628 struct symt* existing,
629 unsigned int pointee_type)
630 {
631 struct symt* pointee;
632
633 if (existing)
634 {
635 existing = codeview_cast_symt(existing, SymTagPointerType);
636 return existing;
637 }
638 pointee = codeview_fetch_type(ctp, pointee_type, FALSE);
639 return &symt_new_pointer(ctp->module, pointee, sizeof(void *))->symt;
640 }
641
642 static struct symt* codeview_add_type_array(struct codeview_type_parse* ctp,
643 const char* name,
644 unsigned int elemtype,
645 unsigned int indextype,
646 unsigned int arr_len)
647 {
648 struct symt* elem = codeview_fetch_type(ctp, elemtype, FALSE);
649 struct symt* index = codeview_fetch_type(ctp, indextype, FALSE);
650
651 return &symt_new_array(ctp->module, 0, -arr_len, elem, index)->symt;
652 }
653
654 static int codeview_add_type_enum_field_list(struct module* module,
655 struct symt_enum* symt,
656 const union codeview_reftype* ref_type)
657 {
658 const unsigned char* ptr = ref_type->fieldlist.list;
659 const unsigned char* last = (const BYTE*)ref_type + ref_type->generic.len + 2;
660 const union codeview_fieldtype* type;
661
662 while (ptr < last)
663 {
664 if (*ptr >= 0xf0) /* LF_PAD... */
665 {
666 ptr += *ptr & 0x0f;
667 continue;
668 }
669
670 type = (const union codeview_fieldtype*)ptr;
671
672 switch (type->generic.id)
673 {
674 case LF_ENUMERATE_V1:
675 {
676 int value, vlen = numeric_leaf(&value, &type->enumerate_v1.value);
677 const struct p_string* p_name = (const struct p_string*)((const unsigned char*)&type->enumerate_v1.value + vlen);
678
679 symt_add_enum_element(module, symt, terminate_string(p_name), value);
680 ptr += 2 + 2 + vlen + (1 + p_name->namelen);
681 break;
682 }
683 case LF_ENUMERATE_V3:
684 {
685 int value, vlen = numeric_leaf(&value, &type->enumerate_v3.value);
686 const char* name = (const char*)&type->enumerate_v3.value + vlen;
687
688 symt_add_enum_element(module, symt, name, value);
689 ptr += 2 + 2 + vlen + (1 + strlen(name));
690 break;
691 }
692
693 default:
694 FIXME("Unsupported type %04x in ENUM field list\n", type->generic.id);
695 return FALSE;
696 }
697 }
698 return TRUE;
699 }
700
701 static void codeview_add_udt_element(struct codeview_type_parse* ctp,
702 struct symt_udt* symt, const char* name,
703 int value, unsigned type)
704 {
705 struct symt* subtype;
706 const union codeview_reftype*cv_type;
707
708 if ((cv_type = codeview_jump_to_type(ctp, type)))
709 {
710 switch (cv_type->generic.id)
711 {
712 case LF_BITFIELD_V1:
713 symt_add_udt_element(ctp->module, symt, name,
714 codeview_fetch_type(ctp, cv_type->bitfield_v1.type, FALSE),
715 (value << 3) + cv_type->bitfield_v1.bitoff,
716 cv_type->bitfield_v1.nbits);
717 return;
718 case LF_BITFIELD_V2:
719 symt_add_udt_element(ctp->module, symt, name,
720 codeview_fetch_type(ctp, cv_type->bitfield_v2.type, FALSE),
721 (value << 3) + cv_type->bitfield_v2.bitoff,
722 cv_type->bitfield_v2.nbits);
723 return;
724 }
725 }
726 subtype = codeview_fetch_type(ctp, type, FALSE);
727
728 if (subtype)
729 {
730 DWORD64 elem_size = 0;
731 symt_get_info(ctp->module, subtype, TI_GET_LENGTH, &elem_size);
732 symt_add_udt_element(ctp->module, symt, name, subtype,
733 value << 3, (DWORD)elem_size << 3);
734 }
735 }
736
737 static int codeview_add_type_struct_field_list(struct codeview_type_parse* ctp,
738 struct symt_udt* symt,
739 unsigned fieldlistno)
740 {
741 const unsigned char* ptr;
742 const unsigned char* last;
743 int value, leaf_len;
744 const struct p_string* p_name;
745 const char* c_name;
746 const union codeview_reftype*type_ref;
747 const union codeview_fieldtype* type;
748
749 if (!fieldlistno) return TRUE;
750 type_ref = codeview_jump_to_type(ctp, fieldlistno);
751 ptr = type_ref->fieldlist.list;
752 last = (const BYTE*)type_ref + type_ref->generic.len + 2;
753
754 while (ptr < last)
755 {
756 if (*ptr >= 0xf0) /* LF_PAD... */
757 {
758 ptr += *ptr & 0x0f;
759 continue;
760 }
761
762 type = (const union codeview_fieldtype*)ptr;
763
764 switch (type->generic.id)
765 {
766 case LF_BCLASS_V1:
767 leaf_len = numeric_leaf(&value, &type->bclass_v1.offset);
768
769 /* FIXME: ignored for now */
770
771 ptr += 2 + 2 + 2 + leaf_len;
772 break;
773
774 case LF_BCLASS_V2:
775 leaf_len = numeric_leaf(&value, &type->bclass_v2.offset);
776
777 /* FIXME: ignored for now */
778
779 ptr += 2 + 2 + 4 + leaf_len;
780 break;
781
782 case LF_VBCLASS_V1:
783 case LF_IVBCLASS_V1:
784 {
785 const unsigned short int* p_vboff;
786 int vpoff, vplen;
787 leaf_len = numeric_leaf(&value, &type->vbclass_v1.vbpoff);
788 p_vboff = (const unsigned short int*)((const char*)&type->vbclass_v1.vbpoff + leaf_len);
789 vplen = numeric_leaf(&vpoff, p_vboff);
790
791 /* FIXME: ignored for now */
792
793 ptr += 2 + 2 + 2 + 2 + leaf_len + vplen;
794 }
795 break;
796
797 case LF_VBCLASS_V2:
798 case LF_IVBCLASS_V2:
799 {
800 const unsigned short int* p_vboff;
801 int vpoff, vplen;
802 leaf_len = numeric_leaf(&value, &type->vbclass_v2.vbpoff);
803 p_vboff = (const unsigned short int*)((const char*)&type->vbclass_v2.vbpoff + leaf_len);
804 vplen = numeric_leaf(&vpoff, p_vboff);
805
806 /* FIXME: ignored for now */
807
808 ptr += 2 + 2 + 4 + 4 + leaf_len + vplen;
809 }
810 break;
811
812 case LF_MEMBER_V1:
813 leaf_len = numeric_leaf(&value, &type->member_v1.offset);
814 p_name = (const struct p_string*)((const char*)&type->member_v1.offset + leaf_len);
815
816 codeview_add_udt_element(ctp, symt, terminate_string(p_name), value,
817 type->member_v1.type);
818
819 ptr += 2 + 2 + 2 + leaf_len + (1 + p_name->namelen);
820 break;
821
822 case LF_MEMBER_V2:
823 leaf_len = numeric_leaf(&value, &type->member_v2.offset);
824 p_name = (const struct p_string*)((const unsigned char*)&type->member_v2.offset + leaf_len);
825
826 codeview_add_udt_element(ctp, symt, terminate_string(p_name), value,
827 type->member_v2.type);
828
829 ptr += 2 + 2 + 4 + leaf_len + (1 + p_name->namelen);
830 break;
831
832 case LF_MEMBER_V3:
833 leaf_len = numeric_leaf(&value, &type->member_v3.offset);
834 c_name = (const char*)&type->member_v3.offset + leaf_len;
835
836 codeview_add_udt_element(ctp, symt, c_name, value, type->member_v3.type);
837
838 ptr += 2 + 2 + 4 + leaf_len + (strlen(c_name) + 1);
839 break;
840
841 case LF_STMEMBER_V1:
842 /* FIXME: ignored for now */
843 ptr += 2 + 2 + 2 + (1 + type->stmember_v1.p_name.namelen);
844 break;
845
846 case LF_STMEMBER_V2:
847 /* FIXME: ignored for now */
848 ptr += 2 + 4 + 2 + (1 + type->stmember_v2.p_name.namelen);
849 break;
850
851 case LF_STMEMBER_V3:
852 /* FIXME: ignored for now */
853 ptr += 2 + 4 + 2 + (strlen(type->stmember_v3.name) + 1);
854 break;
855
856 case LF_METHOD_V1:
857 /* FIXME: ignored for now */
858 ptr += 2 + 2 + 2 + (1 + type->method_v1.p_name.namelen);
859 break;
860
861 case LF_METHOD_V2:
862 /* FIXME: ignored for now */
863 ptr += 2 + 2 + 4 + (1 + type->method_v2.p_name.namelen);
864 break;
865
866 case LF_METHOD_V3:
867 /* FIXME: ignored for now */
868 ptr += 2 + 2 + 4 + (strlen(type->method_v3.name) + 1);
869 break;
870
871 case LF_NESTTYPE_V1:
872 /* FIXME: ignored for now */
873 ptr += 2 + 2 + (1 + type->nesttype_v1.p_name.namelen);
874 break;
875
876 case LF_NESTTYPE_V2:
877 /* FIXME: ignored for now */
878 ptr += 2 + 2 + 4 + (1 + type->nesttype_v2.p_name.namelen);
879 break;
880
881 case LF_NESTTYPE_V3:
882 /* FIXME: ignored for now */
883 ptr += 2 + 2 + 4 + (strlen(type->nesttype_v3.name) + 1);
884 break;
885
886 case LF_VFUNCTAB_V1:
887 /* FIXME: ignored for now */
888 ptr += 2 + 2;
889 break;
890
891 case LF_VFUNCTAB_V2:
892 /* FIXME: ignored for now */
893 ptr += 2 + 2 + 4;
894 break;
895
896 case LF_ONEMETHOD_V1:
897 /* FIXME: ignored for now */
898 switch ((type->onemethod_v1.attribute >> 2) & 7)
899 {
900 case 4: case 6: /* (pure) introducing virtual method */
901 ptr += 2 + 2 + 2 + 4 + (1 + type->onemethod_virt_v1.p_name.namelen);
902 break;
903
904 default:
905 ptr += 2 + 2 + 2 + (1 + type->onemethod_v1.p_name.namelen);
906 break;
907 }
908 break;
909
910 case LF_ONEMETHOD_V2:
911 /* FIXME: ignored for now */
912 switch ((type->onemethod_v2.attribute >> 2) & 7)
913 {
914 case 4: case 6: /* (pure) introducing virtual method */
915 ptr += 2 + 2 + 4 + 4 + (1 + type->onemethod_virt_v2.p_name.namelen);
916 break;
917
918 default:
919 ptr += 2 + 2 + 4 + (1 + type->onemethod_v2.p_name.namelen);
920 break;
921 }
922 break;
923
924 case LF_ONEMETHOD_V3:
925 /* FIXME: ignored for now */
926 switch ((type->onemethod_v3.attribute >> 2) & 7)
927 {
928 case 4: case 6: /* (pure) introducing virtual method */
929 ptr += 2 + 2 + 4 + 4 + (strlen(type->onemethod_virt_v3.name) + 1);
930 break;
931
932 default:
933 ptr += 2 + 2 + 4 + (strlen(type->onemethod_v3.name) + 1);
934 break;
935 }
936 break;
937
938 case LF_INDEX_V1:
939 if (!codeview_add_type_struct_field_list(ctp, symt, type->index_v1.ref))
940 return FALSE;
941 ptr += 2 + 2;
942 break;
943
944 case LF_INDEX_V2:
945 if (!codeview_add_type_struct_field_list(ctp, symt, type->index_v2.ref))
946 return FALSE;
947 ptr += 2 + 2 + 4;
948 break;
949
950 default:
951 FIXME("Unsupported type %04x in STRUCT field list\n", type->generic.id);
952 return FALSE;
953 }
954 }
955
956 return TRUE;
957 }
958
959 static struct symt* codeview_add_type_enum(struct codeview_type_parse* ctp,
960 struct symt* existing,
961 const char* name,
962 unsigned fieldlistno,
963 unsigned basetype)
964 {
965 struct symt_enum* symt;
966
967 if (existing)
968 {
969 if (!(symt = codeview_cast_symt(existing, SymTagEnum))) return NULL;
970 /* should also check that all fields are the same */
971 }
972 else
973 {
974 symt = symt_new_enum(ctp->module, name,
975 codeview_fetch_type(ctp, basetype, FALSE));
976 if (fieldlistno)
977 {
978 const union codeview_reftype* fieldlist;
979 fieldlist = codeview_jump_to_type(ctp, fieldlistno);
980 codeview_add_type_enum_field_list(ctp->module, symt, fieldlist);
981 }
982 }
983 return &symt->symt;
984 }
985
986 static struct symt* codeview_add_type_struct(struct codeview_type_parse* ctp,
987 struct symt* existing,
988 const char* name, int structlen,
989 enum UdtKind kind, unsigned property)
990 {
991 struct symt_udt* symt;
992
993 /* if we don't have an existing type, try to find one with same name
994 * FIXME: what to do when several types in different CUs have same name ?
995 */
996 if (!existing)
997 {
998 void* ptr;
999 struct symt_ht* type;
1000 struct hash_table_iter hti;
1001
1002 hash_table_iter_init(&ctp->module->ht_types, &hti, name);
1003 while ((ptr = hash_table_iter_up(&hti)))
1004 {
1005 type = GET_ENTRY(ptr, struct symt_ht, hash_elt);
1006
1007 if (type->symt.tag == SymTagUDT &&
1008 type->hash_elt.name && !strcmp(type->hash_elt.name, name))
1009 {
1010 existing = &type->symt;
1011 break;
1012 }
1013 }
1014 }
1015 if (existing)
1016 {
1017 if (!(symt = codeview_cast_symt(existing, SymTagUDT))) return NULL;
1018 /* should also check that all fields are the same */
1019 if (!(property & 0x80)) /* 0x80 = forward declaration */
1020 {
1021 if (!symt->size) /* likely prior forward declaration, set UDT size */
1022 symt_set_udt_size(ctp->module, symt, structlen);
1023 else /* different UDT with same name, create a new type */
1024 existing = NULL;
1025 }
1026 }
1027 if (!existing) symt = symt_new_udt(ctp->module, name, structlen, kind);
1028
1029 return &symt->symt;
1030 }
1031
1032 static struct symt* codeview_new_func_signature(struct codeview_type_parse* ctp,
1033 struct symt* existing,
1034 enum CV_call_e call_conv)
1035 {
1036 struct symt_function_signature* sym;
1037
1038 if (existing)
1039 {
1040 sym = codeview_cast_symt(existing, SymTagFunctionType);
1041 if (!sym) return NULL;
1042 }
1043 else
1044 {
1045 sym = symt_new_function_signature(ctp->module, NULL, call_conv);
1046 }
1047 return &sym->symt;
1048 }
1049
1050 static void codeview_add_func_signature_args(struct codeview_type_parse* ctp,
1051 struct symt_function_signature* sym,
1052 unsigned ret_type,
1053 unsigned args_list)
1054 {
1055 const union codeview_reftype* reftype;
1056
1057 sym->rettype = codeview_fetch_type(ctp, ret_type, FALSE);
1058 if (args_list && (reftype = codeview_jump_to_type(ctp, args_list)))
1059 {
1060 unsigned int i;
1061 switch (reftype->generic.id)
1062 {
1063 case LF_ARGLIST_V1:
1064 for (i = 0; i < reftype->arglist_v1.num; i++)
1065 symt_add_function_signature_parameter(ctp->module, sym,
1066 codeview_fetch_type(ctp, reftype->arglist_v1.args[i], FALSE));
1067 break;
1068 case LF_ARGLIST_V2:
1069 for (i = 0; i < reftype->arglist_v2.num; i++)
1070 symt_add_function_signature_parameter(ctp->module, sym,
1071 codeview_fetch_type(ctp, reftype->arglist_v2.args[i], FALSE));
1072 break;
1073 default:
1074 FIXME("Unexpected leaf %x for signature's pmt\n", reftype->generic.id);
1075 }
1076 }
1077 }
1078
1079 static struct symt* codeview_parse_one_type(struct codeview_type_parse* ctp,
1080 unsigned curr_type,
1081 const union codeview_type* type, BOOL details)
1082 {
1083 struct symt* symt;
1084 int value, leaf_len;
1085 const struct p_string* p_name;
1086 const char* c_name;
1087 struct symt* existing;
1088
1089 existing = codeview_get_type(curr_type, TRUE);
1090
1091 switch (type->generic.id)
1092 {
1093 case LF_MODIFIER_V1:
1094 /* FIXME: we don't handle modifiers,
1095 * but read previous type on the curr_type
1096 */
1097 WARN("Modifier on %x: %s%s%s%s\n",
1098 type->modifier_v1.type,
1099 type->modifier_v1.attribute & 0x01 ? "const " : "",
1100 type->modifier_v1.attribute & 0x02 ? "volatile " : "",
1101 type->modifier_v1.attribute & 0x04 ? "unaligned " : "",
1102 type->modifier_v1.attribute & ~0x07 ? "unknown " : "");
1103 symt = codeview_fetch_type(ctp, type->modifier_v1.type, details);
1104 break;
1105 case LF_MODIFIER_V2:
1106 /* FIXME: we don't handle modifiers, but readd previous type on the curr_type */
1107 WARN("Modifier on %x: %s%s%s%s\n",
1108 type->modifier_v2.type,
1109 type->modifier_v2.attribute & 0x01 ? "const " : "",
1110 type->modifier_v2.attribute & 0x02 ? "volatile " : "",
1111 type->modifier_v2.attribute & 0x04 ? "unaligned " : "",
1112 type->modifier_v2.attribute & ~0x07 ? "unknown " : "");
1113 symt = codeview_fetch_type(ctp, type->modifier_v2.type, details);
1114 break;
1115
1116 case LF_POINTER_V1:
1117 symt = codeview_add_type_pointer(ctp, existing, type->pointer_v1.datatype);
1118 break;
1119 case LF_POINTER_V2:
1120 symt = codeview_add_type_pointer(ctp, existing, type->pointer_v2.datatype);
1121 break;
1122
1123 case LF_ARRAY_V1:
1124 if (existing) symt = codeview_cast_symt(existing, SymTagArrayType);
1125 else
1126 {
1127 leaf_len = numeric_leaf(&value, &type->array_v1.arrlen);
1128 p_name = (const struct p_string*)((const unsigned char*)&type->array_v1.arrlen + leaf_len);
1129 symt = codeview_add_type_array(ctp, terminate_string(p_name),
1130 type->array_v1.elemtype,
1131 type->array_v1.idxtype, value);
1132 }
1133 break;
1134 case LF_ARRAY_V2:
1135 if (existing) symt = codeview_cast_symt(existing, SymTagArrayType);
1136 else
1137 {
1138 leaf_len = numeric_leaf(&value, &type->array_v2.arrlen);
1139 p_name = (const struct p_string*)((const unsigned char*)&type->array_v2.arrlen + leaf_len);
1140
1141 symt = codeview_add_type_array(ctp, terminate_string(p_name),
1142 type->array_v2.elemtype,
1143 type->array_v2.idxtype, value);
1144 }
1145 break;
1146 case LF_ARRAY_V3:
1147 if (existing) symt = codeview_cast_symt(existing, SymTagArrayType);
1148 else
1149 {
1150 leaf_len = numeric_leaf(&value, &type->array_v3.arrlen);
1151 c_name = (const char*)&type->array_v3.arrlen + leaf_len;
1152
1153 symt = codeview_add_type_array(ctp, c_name,
1154 type->array_v3.elemtype,
1155 type->array_v3.idxtype, value);
1156 }
1157 break;
1158
1159 case LF_STRUCTURE_V1:
1160 case LF_CLASS_V1:
1161 leaf_len = numeric_leaf(&value, &type->struct_v1.structlen);
1162 p_name = (const struct p_string*)((const unsigned char*)&type->struct_v1.structlen + leaf_len);
1163 symt = codeview_add_type_struct(ctp, existing, terminate_string(p_name), value,
1164 type->generic.id == LF_CLASS_V1 ? UdtClass : UdtStruct,
1165 type->struct_v1.property);
1166 if (details)
1167 {
1168 codeview_add_type(curr_type, symt);
1169 if (!(type->struct_v1.property & 0x80)) /* 0x80 = forward declaration */
1170 codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
1171 type->struct_v1.fieldlist);
1172 }
1173 break;
1174
1175 case LF_STRUCTURE_V2:
1176 case LF_CLASS_V2:
1177 leaf_len = numeric_leaf(&value, &type->struct_v2.structlen);
1178 p_name = (const struct p_string*)((const unsigned char*)&type->struct_v2.structlen + leaf_len);
1179 symt = codeview_add_type_struct(ctp, existing, terminate_string(p_name), value,
1180 type->generic.id == LF_CLASS_V2 ? UdtClass : UdtStruct,
1181 type->struct_v2.property);
1182 if (details)
1183 {
1184 codeview_add_type(curr_type, symt);
1185 if (!(type->struct_v2.property & 0x80)) /* 0x80 = forward declaration */
1186 codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
1187 type->struct_v2.fieldlist);
1188 }
1189 break;
1190
1191 case LF_STRUCTURE_V3:
1192 case LF_CLASS_V3:
1193 leaf_len = numeric_leaf(&value, &type->struct_v3.structlen);
1194 c_name = (const char*)&type->struct_v3.structlen + leaf_len;
1195 symt = codeview_add_type_struct(ctp, existing, c_name, value,
1196 type->generic.id == LF_CLASS_V3 ? UdtClass : UdtStruct,
1197 type->struct_v3.property);
1198 if (details)
1199 {
1200 codeview_add_type(curr_type, symt);
1201 if (!(type->struct_v3.property & 0x80)) /* 0x80 = forward declaration */
1202 codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
1203 type->struct_v3.fieldlist);
1204 }
1205 break;
1206
1207 case LF_UNION_V1:
1208 leaf_len = numeric_leaf(&value, &type->union_v1.un_len);
1209 p_name = (const struct p_string*)((const unsigned char*)&type->union_v1.un_len + leaf_len);
1210 symt = codeview_add_type_struct(ctp, existing, terminate_string(p_name),
1211 value, UdtUnion, type->union_v1.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_v1.fieldlist);
1217 }
1218 break;
1219
1220 case LF_UNION_V2:
1221 leaf_len = numeric_leaf(&value, &type->union_v2.un_len);
1222 p_name = (const struct p_string*)((const unsigned char*)&type->union_v2.un_len + leaf_len);
1223 symt = codeview_add_type_struct(ctp, existing, terminate_string(p_name),
1224 value, UdtUnion, type->union_v2.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_v2.fieldlist);
1230 }
1231 break;
1232
1233 case LF_UNION_V3:
1234 leaf_len = numeric_leaf(&value, &type->union_v3.un_len);
1235 c_name = (const char*)&type->union_v3.un_len + leaf_len;
1236 symt = codeview_add_type_struct(ctp, existing, c_name,
1237 value, UdtUnion, type->union_v3.property);
1238 if (details)
1239 {
1240 codeview_add_type(curr_type, symt);
1241 codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
1242 type->union_v3.fieldlist);
1243 }
1244 break;
1245
1246 case LF_ENUM_V1:
1247 symt = codeview_add_type_enum(ctp, existing,
1248 terminate_string(&type->enumeration_v1.p_name),
1249 type->enumeration_v1.fieldlist,
1250 type->enumeration_v1.type);
1251 break;
1252
1253 case LF_ENUM_V2:
1254 symt = codeview_add_type_enum(ctp, existing,
1255 terminate_string(&type->enumeration_v2.p_name),
1256 type->enumeration_v2.fieldlist,
1257 type->enumeration_v2.type);
1258 break;
1259
1260 case LF_ENUM_V3:
1261 symt = codeview_add_type_enum(ctp, existing, type->enumeration_v3.name,
1262 type->enumeration_v3.fieldlist,
1263 type->enumeration_v3.type);
1264 break;
1265
1266 case LF_PROCEDURE_V1:
1267 symt = codeview_new_func_signature(ctp, existing, type->procedure_v1.call);
1268 if (details)
1269 {
1270 codeview_add_type(curr_type, symt);
1271 codeview_add_func_signature_args(ctp,
1272 (struct symt_function_signature*)symt,
1273 type->procedure_v1.rvtype,
1274 type->procedure_v1.arglist);
1275 }
1276 break;
1277 case LF_PROCEDURE_V2:
1278 symt = codeview_new_func_signature(ctp, existing,type->procedure_v2.call);
1279 if (details)
1280 {
1281 codeview_add_type(curr_type, symt);
1282 codeview_add_func_signature_args(ctp,
1283 (struct symt_function_signature*)symt,
1284 type->procedure_v2.rvtype,
1285 type->procedure_v2.arglist);
1286 }
1287 break;
1288
1289 case LF_MFUNCTION_V1:
1290 /* FIXME: for C++, this is plain wrong, but as we don't use arg types
1291 * nor class information, this would just do for now
1292 */
1293 symt = codeview_new_func_signature(ctp, existing, type->mfunction_v1.call);
1294 if (details)
1295 {
1296 codeview_add_type(curr_type, symt);
1297 codeview_add_func_signature_args(ctp,
1298 (struct symt_function_signature*)symt,
1299 type->mfunction_v1.rvtype,
1300 type->mfunction_v1.arglist);
1301 }
1302 break;
1303 case LF_MFUNCTION_V2:
1304 /* FIXME: for C++, this is plain wrong, but as we don't use arg types
1305 * nor class information, this would just do for now
1306 */
1307 symt = codeview_new_func_signature(ctp, existing, type->mfunction_v2.call);
1308 if (details)
1309 {
1310 codeview_add_type(curr_type, symt);
1311 codeview_add_func_signature_args(ctp,
1312 (struct symt_function_signature*)symt,
1313 type->mfunction_v2.rvtype,
1314 type->mfunction_v2.arglist);
1315 }
1316 break;
1317
1318 case LF_VTSHAPE_V1:
1319 /* this is an ugly hack... FIXME when we have C++ support */
1320 if (!(symt = existing))
1321 {
1322 char buf[128];
1323 snprintf(buf, sizeof(buf), "__internal_vt_shape_%x\n", curr_type);
1324 symt = &symt_new_udt(ctp->module, buf, 0, UdtStruct)->symt;
1325 }
1326 break;
1327 default:
1328 FIXME("Unsupported type-id leaf %x\n", type->generic.id);
1329 dump(type, 2 + type->generic.len);
1330 return FALSE;
1331 }
1332 return codeview_add_type(curr_type, symt) ? symt : NULL;
1333 }
1334
1335 static int codeview_parse_type_table(struct codeview_type_parse* ctp)
1336 {
1337 unsigned int curr_type = FIRST_DEFINABLE_TYPE;
1338 const union codeview_type* type;
1339
1340 for (curr_type = FIRST_DEFINABLE_TYPE; curr_type < FIRST_DEFINABLE_TYPE + ctp->num; curr_type++)
1341 {
1342 type = codeview_jump_to_type(ctp, curr_type);
1343
1344 /* type records we're interested in are the ones referenced by symbols
1345 * The known ranges are (X mark the ones we want):
1346 * X 0000-0016 for V1 types
1347 * 0200-020c for V1 types referenced by other types
1348 * 0400-040f for V1 types (complex lists & sets)
1349 * X 1000-100f for V2 types
1350 * 1200-120c for V2 types referenced by other types
1351 * 1400-140f for V1 types (complex lists & sets)
1352 * X 1500-150d for V3 types
1353 * 8000-8010 for numeric leafes
1354 */
1355 if (!(type->generic.id & 0x8600) || (type->generic.id & 0x0100))
1356 codeview_parse_one_type(ctp, curr_type, type, TRUE);
1357 }
1358
1359 return TRUE;
1360 }
1361
1362 /*========================================================================
1363 * Process CodeView line number information.
1364 */
1365 static unsigned long codeview_get_address(const struct msc_debug_info* msc_dbg,
1366 unsigned seg, unsigned offset);
1367
1368 static void codeview_snarf_linetab(const struct msc_debug_info* msc_dbg, const BYTE* linetab,
1369 int size, BOOL pascal_str)
1370 {
1371 const BYTE* ptr = linetab;
1372 int nfile, nseg;
1373 int i, j, k;
1374 const unsigned int* filetab;
1375 const unsigned int* lt_ptr;
1376 const unsigned short* linenos;
1377 const struct startend* start;
1378 unsigned source;
1379 unsigned long addr, func_addr0;
1380 struct symt_function* func;
1381 const struct codeview_linetab_block* ltb;
1382
1383 nfile = *(const short*)linetab;
1384 filetab = (const unsigned int*)(linetab + 2 * sizeof(short));
1385
1386 for (i = 0; i < nfile; i++)
1387 {
1388 ptr = linetab + filetab[i];
1389 nseg = *(const short*)ptr;
1390 lt_ptr = (const unsigned int*)(ptr + 2 * sizeof(short));
1391 start = (const struct startend*)(lt_ptr + nseg);
1392
1393 /*
1394 * Now snarf the filename for all of the segments for this file.
1395 */
1396 if (pascal_str)
1397 source = source_new(msc_dbg->module, NULL, terminate_string((const struct p_string*)(start + nseg)));
1398 else
1399 source = source_new(msc_dbg->module, NULL, (const char*)(start + nseg));
1400
1401 for (j = 0; j < nseg; j++)
1402 {
1403 ltb = (const struct codeview_linetab_block*)(linetab + *lt_ptr++);
1404 linenos = (const unsigned short*)&ltb->offsets[ltb->num_lines];
1405 func_addr0 = codeview_get_address(msc_dbg, ltb->seg, start[j].start);
1406 if (!func_addr0) continue;
1407 for (func = NULL, k = 0; k < ltb->num_lines; k++)
1408 {
1409 /* now locate function (if any) */
1410 addr = func_addr0 + ltb->offsets[k] - start[j].start;
1411 /* unfortunately, we can have several functions in the same block, if there's no
1412 * gap between them... find the new function if needed
1413 */
1414 if (!func || addr >= func->address + func->size)
1415 {
1416 func = (struct symt_function*)symt_find_nearest(msc_dbg->module, addr);
1417 /* FIXME: at least labels support line numbers */
1418 if (!func || func->symt.tag != SymTagFunction)
1419 {
1420 WARN("--not a func at %04x:%08x %lx tag=%d\n",
1421 ltb->seg, ltb->offsets[k], addr, func ? func->symt.tag : -1);
1422 func = NULL;
1423 break;
1424 }
1425 }
1426 symt_add_func_line(msc_dbg->module, func, source,
1427 linenos[k], addr - func->address);
1428 }
1429 }
1430 }
1431 }
1432
1433 static void codeview_snarf_linetab2(const struct msc_debug_info* msc_dbg, const BYTE* linetab, DWORD size,
1434 const char* strimage, DWORD strsize)
1435 {
1436 unsigned i;
1437 DWORD_PTR addr;
1438 const struct codeview_linetab2* lt2;
1439 const struct codeview_linetab2* lt2_files = NULL;
1440 const struct codeview_lt2blk_lines* lines_blk;
1441 const struct codeview_linetab2_file*fd;
1442 unsigned source;
1443 struct symt_function* func;
1444
1445 /* locate LT2_FILES_BLOCK (if any) */
1446 lt2 = (const struct codeview_linetab2*)linetab;
1447 while ((const BYTE*)(lt2 + 1) < linetab + size)
1448 {
1449 if (lt2->header == LT2_FILES_BLOCK)
1450 {
1451 lt2_files = lt2;
1452 break;
1453 }
1454 lt2 = codeview_linetab2_next_block(lt2);
1455 }
1456 if (!lt2_files)
1457 {
1458 TRACE("No LT2_FILES_BLOCK found\n");
1459 return;
1460 }
1461
1462 lt2 = (const struct codeview_linetab2*)linetab;
1463 while ((const BYTE*)(lt2 + 1) < linetab + size)
1464 {
1465 /* FIXME: should also check that whole lines_blk fits in linetab + size */
1466 switch (lt2->header)
1467 {
1468 case LT2_LINES_BLOCK:
1469 /* Skip blocks that are too small - Intel C Compiler generates these. */
1470 if (lt2->size_of_block < sizeof (struct codeview_lt2blk_lines)) break;
1471 lines_blk = (const struct codeview_lt2blk_lines*)lt2;
1472 /* FIXME: should check that file_offset is within the LT2_FILES_BLOCK we've seen */
1473 addr = codeview_get_address(msc_dbg, lines_blk->seg, lines_blk->start);
1474 TRACE("block from %04x:%08x #%x (%x lines)\n",
1475 lines_blk->seg, lines_blk->start, lines_blk->size, lines_blk->nlines);
1476 fd = (const struct codeview_linetab2_file*)((const char*)lt2_files + 8 + lines_blk->file_offset);
1477 /* FIXME: should check that string is within strimage + strsize */
1478 source = source_new(msc_dbg->module, NULL, strimage + fd->offset);
1479 func = (struct symt_function*)symt_find_nearest(msc_dbg->module, addr);
1480 /* FIXME: at least labels support line numbers */
1481 if (!func || func->symt.tag != SymTagFunction)
1482 {
1483 WARN("--not a func at %04x:%08x %lx tag=%d\n",
1484 lines_blk->seg, lines_blk->start, addr, func ? func->symt.tag : -1);
1485 break;
1486 }
1487 for (i = 0; i < lines_blk->nlines; i++)
1488 {
1489 symt_add_func_line(msc_dbg->module, func, source,
1490 lines_blk->l[i].lineno ^ 0x80000000,
1491 lines_blk->l[i].offset);
1492 }
1493 break;
1494 case LT2_FILES_BLOCK: /* skip */
1495 break;
1496 default:
1497 TRACE("Block end %x\n", lt2->header);
1498 lt2 = (const struct codeview_linetab2*)((const char*)linetab + size);
1499 continue;
1500 }
1501 lt2 = codeview_linetab2_next_block(lt2);
1502 }
1503 }
1504
1505 /*========================================================================
1506 * Process CodeView symbol information.
1507 */
1508
1509 static unsigned int codeview_map_offset(const struct msc_debug_info* msc_dbg,
1510 unsigned int offset)
1511 {
1512 int nomap = msc_dbg->nomap;
1513 const OMAP_DATA* omapp = msc_dbg->omapp;
1514 int i;
1515
1516 if (!nomap || !omapp) return offset;
1517
1518 /* FIXME: use binary search */
1519 for (i = 0; i < nomap - 1; i++)
1520 if (omapp[i].from <= offset && omapp[i+1].from > offset)
1521 return !omapp[i].to ? 0 : omapp[i].to + (offset - omapp[i].from);
1522
1523 return 0;
1524 }
1525
1526 static unsigned long codeview_get_address(const struct msc_debug_info* msc_dbg,
1527 unsigned seg, unsigned offset)
1528 {
1529 int nsect = msc_dbg->nsect;
1530 const IMAGE_SECTION_HEADER* sectp = msc_dbg->sectp;
1531
1532 if (!seg || seg > nsect) return 0;
1533 return msc_dbg->module->module.BaseOfImage +
1534 codeview_map_offset(msc_dbg, sectp[seg-1].VirtualAddress + offset);
1535 }
1536
1537 static inline void codeview_add_variable(const struct msc_debug_info* msc_dbg,
1538 struct symt_compiland* compiland,
1539 const char* name,
1540 unsigned segment, unsigned offset,
1541 unsigned symtype, BOOL is_local, BOOL in_tls, BOOL force)
1542 {
1543 if (name && *name)
1544 {
1545 struct location loc;
1546
1547 loc.kind = in_tls ? loc_tlsrel : loc_absolute;
1548 loc.reg = 0;
1549 loc.offset = in_tls ? offset : codeview_get_address(msc_dbg, segment, offset);
1550 if (force || in_tls || !symt_find_nearest(msc_dbg->module, loc.offset))
1551 {
1552 symt_new_global_variable(msc_dbg->module, compiland,
1553 name, is_local, loc, 0,
1554 codeview_get_type(symtype, FALSE));
1555 }
1556 }
1557 }
1558
1559 static int codeview_snarf(const struct msc_debug_info* msc_dbg, const BYTE* root,
1560 int offset, int size, BOOL do_globals)
1561 {
1562 struct symt_function* curr_func = NULL;
1563 int i, length;
1564 struct symt_block* block = NULL;
1565 struct symt* symt;
1566 struct symt_compiland* compiland = NULL;
1567 struct location loc;
1568
1569 /*
1570 * Loop over the different types of records and whenever we
1571 * find something we are interested in, record it and move on.
1572 */
1573 for (i = offset; i < size; i += length)
1574 {
1575 const union codeview_symbol* sym = (const union codeview_symbol*)(root + i);
1576 length = sym->generic.len + 2;
1577 if (i + length > size) break;
1578 if (!sym->generic.id || length < 4) break;
1579 if (length & 3) FIXME("unpadded len %u\n", length);
1580
1581 switch (sym->generic.id)
1582 {
1583 /*
1584 * Global and local data symbols. We don't associate these
1585 * with any given source file.
1586 */
1587 case S_GDATA_V1:
1588 case S_LDATA_V1:
1589 if (do_globals)
1590 codeview_add_variable(msc_dbg, compiland, terminate_string(&sym->data_v1.p_name),
1591 sym->data_v1.segment, sym->data_v1.offset, sym->data_v1.symtype,
1592 sym->generic.id == S_LDATA_V1, FALSE, TRUE);
1593 break;
1594 case S_GDATA_V2:
1595 case S_LDATA_V2:
1596 if (do_globals)
1597 codeview_add_variable(msc_dbg, compiland, terminate_string(&sym->data_v2.p_name),
1598 sym->data_v2.segment, sym->data_v2.offset, sym->data_v2.symtype,
1599 sym->generic.id == S_LDATA_V2, FALSE, TRUE);
1600 break;
1601 case S_GDATA_V3:
1602 case S_LDATA_V3:
1603 if (do_globals)
1604 codeview_add_variable(msc_dbg, compiland, sym->data_v3.name,
1605 sym->data_v3.segment, sym->data_v3.offset, sym->data_v3.symtype,
1606 sym->generic.id == S_LDATA_V3, FALSE, TRUE);
1607 break;
1608
1609 /* variables with thread storage */
1610 case S_GTHREAD_V1:
1611 case S_LTHREAD_V1:
1612 if (do_globals)
1613 codeview_add_variable(msc_dbg, compiland, terminate_string(&sym->thread_v1.p_name),
1614 sym->thread_v1.segment, sym->thread_v1.offset, sym->thread_v1.symtype,
1615 sym->generic.id == S_LTHREAD_V1, TRUE, TRUE);
1616 break;
1617 case S_GTHREAD_V2:
1618 case S_LTHREAD_V2:
1619 if (do_globals)
1620 codeview_add_variable(msc_dbg, compiland, terminate_string(&sym->thread_v2.p_name),
1621 sym->thread_v2.segment, sym->thread_v2.offset, sym->thread_v2.symtype,
1622 sym->generic.id == S_LTHREAD_V2, TRUE, TRUE);
1623 break;
1624 case S_GTHREAD_V3:
1625 case S_LTHREAD_V3:
1626 if (do_globals)
1627 codeview_add_variable(msc_dbg, compiland, sym->thread_v3.name,
1628 sym->thread_v3.segment, sym->thread_v3.offset, sym->thread_v3.symtype,
1629 sym->generic.id == S_LTHREAD_V3, TRUE, TRUE);
1630 break;
1631
1632 /* Public symbols */
1633 case S_PUB_V1:
1634 case S_PUB_V2:
1635 case S_PUB_V3:
1636 case S_PUB_FUNC1_V3:
1637 case S_PUB_FUNC2_V3:
1638 /* will be handled later on in codeview_snarf_public */
1639 break;
1640
1641 /*
1642 * Sort of like a global function, but it just points
1643 * to a thunk, which is a stupid name for what amounts to
1644 * a PLT slot in the normal jargon that everyone else uses.
1645 */
1646 case S_THUNK_V1:
1647 symt_new_thunk(msc_dbg->module, compiland,
1648 terminate_string(&sym->thunk_v1.p_name), sym->thunk_v1.thtype,
1649 codeview_get_address(msc_dbg, sym->thunk_v1.segment, sym->thunk_v1.offset),
1650 sym->thunk_v1.thunk_len);
1651 break;
1652 case S_THUNK_V3:
1653 symt_new_thunk(msc_dbg->module, compiland,
1654 sym->thunk_v3.name, sym->thunk_v3.thtype,
1655 codeview_get_address(msc_dbg, sym->thunk_v3.segment, sym->thunk_v3.offset),
1656 sym->thunk_v3.thunk_len);
1657 break;
1658
1659 /*
1660 * Global and static functions.
1661 */
1662 case S_GPROC_V1:
1663 case S_LPROC_V1:
1664 if (curr_func) FIXME("nested function\n");
1665 curr_func = symt_new_function(msc_dbg->module, compiland,
1666 terminate_string(&sym->proc_v1.p_name),
1667 codeview_get_address(msc_dbg, sym->proc_v1.segment, sym->proc_v1.offset),
1668 sym->proc_v1.proc_len,
1669 codeview_get_type(sym->proc_v1.proctype, FALSE));
1670 loc.kind = loc_absolute;
1671 loc.offset = sym->proc_v1.debug_start;
1672 symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugStart, &loc, NULL);
1673 loc.offset = sym->proc_v1.debug_end;
1674 symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugEnd, &loc, NULL);
1675 break;
1676 case S_GPROC_V2:
1677 case S_LPROC_V2:
1678 if (curr_func) FIXME("nested function\n");
1679 curr_func = symt_new_function(msc_dbg->module, compiland,
1680 terminate_string(&sym->proc_v2.p_name),
1681 codeview_get_address(msc_dbg, sym->proc_v2.segment, sym->proc_v2.offset),
1682 sym->proc_v2.proc_len,
1683 codeview_get_type(sym->proc_v2.proctype, FALSE));
1684 loc.kind = loc_absolute;
1685 loc.offset = sym->proc_v2.debug_start;
1686 symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugStart, &loc, NULL);
1687 loc.offset = sym->proc_v2.debug_end;
1688 symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugEnd, &loc, NULL);
1689 break;
1690 case S_GPROC_V3:
1691 case S_LPROC_V3:
1692 if (curr_func) FIXME("nested function\n");
1693 curr_func = symt_new_function(msc_dbg->module, compiland,
1694 sym->proc_v3.name,
1695 codeview_get_address(msc_dbg, sym->proc_v3.segment, sym->proc_v3.offset),
1696 sym->proc_v3.proc_len,
1697 codeview_get_type(sym->proc_v3.proctype, FALSE));
1698 loc.kind = loc_absolute;
1699 loc.offset = sym->proc_v3.debug_start;
1700 symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugStart, &loc, NULL);
1701 loc.offset = sym->proc_v3.debug_end;
1702 symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugEnd, &loc, NULL);
1703 break;
1704 /*
1705 * Function parameters and stack variables.
1706 */
1707 case S_BPREL_V1:
1708 loc.kind = loc_regrel;
1709 /* Yes, it's i386 dependent, but that's the symbol purpose. S_REGREL is used on other CPUs */
1710 loc.reg = CV_REG_EBP;
1711 loc.offset = sym->stack_v1.offset;
1712 symt_add_func_local(msc_dbg->module, curr_func,
1713 sym->stack_v1.offset > 0 ? DataIsParam : DataIsLocal,
1714 &loc, block,
1715 codeview_get_type(sym->stack_v1.symtype, FALSE),
1716 terminate_string(&sym->stack_v1.p_name));
1717 break;
1718 case S_BPREL_V2:
1719 loc.kind = loc_regrel;
1720 /* Yes, it's i386 dependent, but that's the symbol purpose. S_REGREL is used on other CPUs */
1721 loc.reg = CV_REG_EBP;
1722 loc.offset = sym->stack_v2.offset;
1723 symt_add_func_local(msc_dbg->module, curr_func,
1724 sym->stack_v2.offset > 0 ? DataIsParam : DataIsLocal,
1725 &loc, block,
1726 codeview_get_type(sym->stack_v2.symtype, FALSE),
1727 terminate_string(&sym->stack_v2.p_name));
1728 break;
1729 case S_BPREL_V3:
1730 loc.kind = loc_regrel;
1731 /* Yes, it's i386 dependent, but that's the symbol purpose. S_REGREL is used on other CPUs */
1732 loc.reg = CV_REG_EBP;
1733 loc.offset = sym->stack_v3.offset;
1734 symt_add_func_local(msc_dbg->module, curr_func,
1735 sym->stack_v3.offset > 0 ? DataIsParam : DataIsLocal,
1736 &loc, block,
1737 codeview_get_type(sym->stack_v3.symtype, FALSE),
1738 sym->stack_v3.name);
1739 break;
1740 case S_REGREL_V3:
1741 loc.kind = loc_regrel;
1742 loc.reg = sym->regrel_v3.reg;
1743 loc.offset = sym->regrel_v3.offset;
1744 symt_add_func_local(msc_dbg->module, curr_func,
1745 /* FIXME this is wrong !!! */
1746 sym->regrel_v3.offset > 0 ? DataIsParam : DataIsLocal,
1747 &loc, block,
1748 codeview_get_type(sym->regrel_v3.symtype, FALSE),
1749 sym->regrel_v3.name);
1750 break;
1751
1752 case S_REGISTER_V1:
1753 loc.kind = loc_register;
1754 loc.reg = sym->register_v1.reg;
1755 loc.offset = 0;
1756 symt_add_func_local(msc_dbg->module, curr_func,
1757 DataIsLocal, &loc,
1758 block, codeview_get_type(sym->register_v1.type, FALSE),
1759 terminate_string(&sym->register_v1.p_name));
1760 break;
1761 case S_REGISTER_V2:
1762 loc.kind = loc_register;
1763 loc.reg = sym->register_v2.reg;
1764 loc.offset = 0;
1765 symt_add_func_local(msc_dbg->module, curr_func,
1766 DataIsLocal, &loc,
1767 block, codeview_get_type(sym->register_v2.type, FALSE),
1768 terminate_string(&sym->register_v2.p_name));
1769 break;
1770 case S_REGISTER_V3:
1771 loc.kind = loc_register;
1772 loc.reg = sym->register_v3.reg;
1773 loc.offset = 0;
1774 symt_add_func_local(msc_dbg->module, curr_func,
1775 DataIsLocal, &loc,
1776 block, codeview_get_type(sym->register_v3.type, FALSE),
1777 sym->register_v3.name);
1778 break;
1779
1780 case S_BLOCK_V1:
1781 block = symt_open_func_block(msc_dbg->module, curr_func, block,
1782 codeview_get_address(msc_dbg, sym->block_v1.segment, sym->block_v1.offset),
1783 sym->block_v1.length);
1784 break;
1785 case S_BLOCK_V3:
1786 block = symt_open_func_block(msc_dbg->module, curr_func, block,
1787 codeview_get_address(msc_dbg, sym->block_v3.segment, sym->block_v3.offset),
1788 sym->block_v3.length);
1789 break;
1790
1791 case S_END_V1:
1792 if (block)
1793 {
1794 block = symt_close_func_block(msc_dbg->module, curr_func, block, 0);
1795 }
1796 else if (curr_func)
1797 {
1798 symt_normalize_function(msc_dbg->module, curr_func);
1799 curr_func = NULL;
1800 }
1801 break;
1802
1803 case S_COMPILAND_V1:
1804 TRACE("S-Compiland-V1 %x %s\n",
1805 sym->compiland_v1.unknown, terminate_string(&sym->compiland_v1.p_name));
1806 break;
1807
1808 case S_COMPILAND_V2:
1809 TRACE("S-Compiland-V2 %s\n", terminate_string(&sym->compiland_v2.p_name));
1810 if (TRACE_ON(dbghelp_msc))
1811 {
1812 const char* ptr1 = sym->compiland_v2.p_name.name + sym->compiland_v2.p_name.namelen;
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 case S_COMPILAND_V3:
1823 TRACE("S-Compiland-V3 %s\n", sym->compiland_v3.name);
1824 if (TRACE_ON(dbghelp_msc))
1825 {
1826 const char* ptr1 = sym->compiland_v3.name + strlen(sym->compiland_v3.name);
1827 const char* ptr2;
1828 while (*ptr1)
1829 {
1830 ptr2 = ptr1 + strlen(ptr1) + 1;
1831 TRACE("\t%s => %s\n", ptr1, debugstr_a(ptr2));
1832 ptr1 = ptr2 + strlen(ptr2) + 1;
1833 }
1834 }
1835 break;
1836
1837 case S_OBJNAME_V1:
1838 TRACE("S-ObjName %s\n", terminate_string(&sym->objname_v1.p_name));
1839 compiland = symt_new_compiland(msc_dbg->module, 0 /* FIXME */,
1840 source_new(msc_dbg->module, NULL,
1841 terminate_string(&sym->objname_v1.p_name)));
1842 break;
1843
1844 case S_LABEL_V1:
1845 if (curr_func)
1846 {
1847 loc.kind = loc_absolute;
1848 loc.offset = codeview_get_address(msc_dbg, sym->label_v1.segment, sym->label_v1.offset) - curr_func->address;
1849 symt_add_function_point(msc_dbg->module, curr_func, SymTagLabel, &loc,
1850 terminate_string(&sym->label_v1.p_name));
1851 }
1852 else symt_new_label(msc_dbg->module, compiland,
1853 terminate_string(&sym->label_v1.p_name),
1854 codeview_get_address(msc_dbg, sym->label_v1.segment, sym->label_v1.offset));
1855 break;
1856 case S_LABEL_V3:
1857 if (curr_func)
1858 {
1859 loc.kind = loc_absolute;
1860 loc.offset = codeview_get_address(msc_dbg, sym->label_v3.segment, sym->label_v3.offset) - curr_func->address;
1861 symt_add_function_point(msc_dbg->module, curr_func, SymTagLabel,
1862 &loc, sym->label_v3.name);
1863 }
1864 else symt_new_label(msc_dbg->module, compiland, sym->label_v3.name,
1865 codeview_get_address(msc_dbg, sym->label_v3.segment, sym->label_v3.offset));
1866 break;
1867
1868 case S_CONSTANT_V1:
1869 {
1870 int vlen;
1871 const struct p_string* name;
1872 struct symt* se;
1873 VARIANT v;
1874
1875 vlen = leaf_as_variant(&v, &sym->constant_v1.cvalue);
1876 name = (const struct p_string*)((const char*)&sym->constant_v1.cvalue + vlen);
1877 se = codeview_get_type(sym->constant_v1.type, FALSE);
1878
1879 TRACE("S-Constant-V1 %u %s %x\n",
1880 v.n1.n2.n3.intVal, terminate_string(name), sym->constant_v1.type);
1881 symt_new_constant(msc_dbg->module, compiland, terminate_string(name),
1882 se, &v);
1883 }
1884 break;
1885 case S_CONSTANT_V2:
1886 {
1887 int vlen;
1888 const struct p_string* name;
1889 struct symt* se;
1890 VARIANT v;
1891
1892 vlen = leaf_as_variant(&v, &sym->constant_v2.cvalue);
1893 name = (const struct p_string*)((const char*)&sym->constant_v2.cvalue + vlen);
1894 se = codeview_get_type(sym->constant_v2.type, FALSE);
1895
1896 TRACE("S-Constant-V2 %u %s %x\n",
1897 v.n1.n2.n3.intVal, terminate_string(name), sym->constant_v2.type);
1898 symt_new_constant(msc_dbg->module, compiland, terminate_string(name),
1899 se, &v);
1900 }
1901 break;
1902 case S_CONSTANT_V3:
1903 {
1904 int vlen;
1905 const char* name;
1906 struct symt* se;
1907 VARIANT v;
1908
1909 vlen = leaf_as_variant(&v, &sym->constant_v3.cvalue);
1910 name = (const char*)&sym->constant_v3.cvalue + vlen;
1911 se = codeview_get_type(sym->constant_v3.type, FALSE);
1912
1913 TRACE("S-Constant-V3 %u %s %x\n",
1914 v.n1.n2.n3.intVal, name, sym->constant_v3.type);
1915 /* FIXME: we should add this as a constant value */
1916 symt_new_constant(msc_dbg->module, compiland, name, se, &v);
1917 }
1918 break;
1919
1920 case S_UDT_V1:
1921 if (sym->udt_v1.type)
1922 {
1923 if ((symt = codeview_get_type(sym->udt_v1.type, FALSE)))
1924 symt_new_typedef(msc_dbg->module, symt,
1925 terminate_string(&sym->udt_v1.p_name));
1926 else
1927 FIXME("S-Udt %s: couldn't find type 0x%x\n",
1928 terminate_string(&sym->udt_v1.p_name), sym->udt_v1.type);
1929 }
1930 break;
1931 case S_UDT_V2:
1932 if (sym->udt_v2.type)
1933 {
1934 if ((symt = codeview_get_type(sym->udt_v2.type, FALSE)))
1935 symt_new_typedef(msc_dbg->module, symt,
1936 terminate_string(&sym->udt_v2.p_name));
1937 else
1938 FIXME("S-Udt %s: couldn't find type 0x%x\n",
1939 terminate_string(&sym->udt_v2.p_name), sym->udt_v2.type);
1940 }
1941 break;
1942 case S_UDT_V3:
1943 if (sym->udt_v3.type)
1944 {
1945 if ((symt = codeview_get_type(sym->udt_v3.type, FALSE)))
1946 symt_new_typedef(msc_dbg->module, symt, sym->udt_v3.name);
1947 else
1948 FIXME("S-Udt %s: couldn't find type 0x%x\n",
1949 sym->udt_v3.name, sym->udt_v3.type);
1950 }
1951 break;
1952
1953 /*
1954 * These are special, in that they are always followed by an
1955 * additional length-prefixed string which is *not* included
1956 * into the symbol length count. We need to skip it.
1957 */
1958 case S_PROCREF_V1:
1959 case S_DATAREF_V1:
1960 case S_LPROCREF_V1:
1961 {
1962 const char* name;
1963
1964 name = (const char*)sym + length;
1965 length += (*name + 1 + 3) & ~3;
1966 break;
1967 }
1968
1969 case S_MSTOOL_V3: /* just to silence a few warnings */
1970 case S_MSTOOLINFO_V3:
1971 case S_MSTOOLENV_V3:
1972 break;
1973
1974 case S_SSEARCH_V1:
1975 TRACE("Start search: seg=0x%x at offset 0x%08x\n",
1976 sym->ssearch_v1.segment, sym->ssearch_v1.offset);
1977 break;
1978
1979 case S_ALIGN_V1:
1980 TRACE("S-Align V1\n");
1981 break;
1982
1983 /* the symbols we can safely ignore for now */
1984 case 0x112c:
1985 case S_FRAMEINFO_V2:
1986 case S_SECUCOOKIE_V3:
1987 case S_SECTINFO_V3:
1988 case S_SUBSECTINFO_V3:
1989 case S_ENTRYPOINT_V3:
1990 case 0x1139:
1991 TRACE("Unsupported symbol id %x\n", sym->generic.id);
1992 break;
1993
1994 default:
1995 FIXME("Unsupported symbol id %x\n", sym->generic.id);
1996 dump(sym, 2 + sym->generic.len);
1997 break;
1998 }
1999 }
2000
2001 if (curr_func) symt_normalize_function(msc_dbg->module, curr_func);
2002
2003 return TRUE;
2004 }
2005
2006 static int codeview_snarf_public(const struct msc_debug_info* msc_dbg, const BYTE* root,
2007 int offset, int size)
2008
2009 {
2010 int i, length;
2011 struct symt_compiland* compiland = NULL;
2012
2013 /*
2014 * Loop over the different types of records and whenever we
2015 * find something we are interested in, record it and move on.
2016 */
2017 for (i = offset; i < size; i += length)
2018 {
2019 const union codeview_symbol* sym = (const union codeview_symbol*)(root + i);
2020 length = sym->generic.len + 2;
2021 if (i + length > size) break;
2022 if (!sym->generic.id || length < 4) break;
2023 if (length & 3) FIXME("unpadded len %u\n", length);
2024
2025 switch (sym->generic.id)
2026 {
2027 case S_PUB_V1: /* FIXME is this really a 'data_v1' structure ?? */
2028 if (!(dbghelp_options & SYMOPT_NO_PUBLICS))
2029 {
2030 symt_new_public(msc_dbg->module, compiland,
2031 terminate_string(&sym->data_v1.p_name),
2032 codeview_get_address(msc_dbg, sym->data_v1.segment, sym->data_v1.offset), 1);
2033 }
2034 break;
2035 case S_PUB_V2: /* FIXME is this really a 'data_v2' structure ?? */
2036 if (!(dbghelp_options & SYMOPT_NO_PUBLICS))
2037 {
2038 symt_new_public(msc_dbg->module, compiland,
2039 terminate_string(&sym->data_v2.p_name),
2040 codeview_get_address(msc_dbg, sym->data_v2.segment, sym->data_v2.offset), 1);
2041 }
2042 break;
2043
2044 case S_PUB_V3:
2045 if (!(dbghelp_options & SYMOPT_NO_PUBLICS))
2046 {
2047 symt_new_public(msc_dbg->module, compiland,
2048 sym->data_v3.name,
2049 codeview_get_address(msc_dbg, sym->data_v3.segment, sym->data_v3.offset), 1);
2050 }
2051 break;
2052 case S_PUB_FUNC1_V3:
2053 case S_PUB_FUNC2_V3: /* using a data_v3 isn't what we'd expect */
2054 #if 0
2055 /* FIXME: this is plain wrong (from a simple test) */
2056 if (!(dbghelp_options & SYMOPT_NO_PUBLICS))
2057 {
2058 symt_new_public(msc_dbg->module, compiland,
2059 sym->data_v3.name,
2060 codeview_get_address(msc_dbg, sym->data_v3.segment, sym->data_v3.offset), 1);
2061 }
2062 #endif
2063 break;
2064 /*
2065 * Global and local data symbols. We don't associate these
2066 * with any given source file.
2067 */
2068 case S_GDATA_V1:
2069 case S_LDATA_V1:
2070 codeview_add_variable(msc_dbg, compiland, terminate_string(&sym->data_v1.p_name),
2071 sym->data_v1.segment, sym->data_v1.offset, sym->data_v1.symtype,
2072 sym->generic.id == S_LDATA_V1, FALSE, FALSE);
2073 break;
2074 case S_GDATA_V2:
2075 case S_LDATA_V2:
2076 codeview_add_variable(msc_dbg, compiland, terminate_string(&sym->data_v2.p_name),
2077 sym->data_v2.segment, sym->data_v2.offset, sym->data_v2.symtype,
2078 sym->generic.id == S_LDATA_V2, FALSE, FALSE);
2079 break;
2080 case S_GDATA_V3:
2081 case S_LDATA_V3:
2082 codeview_add_variable(msc_dbg, compiland, sym->data_v3.name,
2083 sym->data_v3.segment, sym->data_v3.offset, sym->data_v3.symtype,
2084 sym->generic.id == S_LDATA_V3, FALSE, FALSE);
2085 break;
2086
2087 /* variables with thread storage */
2088 case S_GTHREAD_V1:
2089 case S_LTHREAD_V1:
2090 codeview_add_variable(msc_dbg, compiland, terminate_string(&sym->thread_v1.p_name),
2091 sym->thread_v1.segment, sym->thread_v1.offset, sym->thread_v1.symtype,
2092 sym->generic.id == S_LTHREAD_V1, TRUE, FALSE);
2093 break;
2094 case S_GTHREAD_V2:
2095 case S_LTHREAD_V2:
2096 codeview_add_variable(msc_dbg, compiland, terminate_string(&sym->thread_v2.p_name),
2097 sym->thread_v2.segment, sym->thread_v2.offset, sym->thread_v2.symtype,
2098 sym->generic.id == S_LTHREAD_V2, TRUE, FALSE);
2099 break;
2100 case S_GTHREAD_V3:
2101 case S_LTHREAD_V3:
2102 codeview_add_variable(msc_dbg, compiland, sym->thread_v3.name,
2103 sym->thread_v3.segment, sym->thread_v3.offset, sym->thread_v3.symtype,
2104 sym->generic.id == S_LTHREAD_V3, TRUE, FALSE);
2105 break;
2106
2107 /*
2108 * These are special, in that they are always followed by an
2109 * additional length-prefixed string which is *not* included
2110 * into the symbol length count. We need to skip it.
2111 */
2112 case S_PROCREF_V1:
2113 case S_DATAREF_V1:
2114 case S_LPROCREF_V1:
2115 length += (((const char*)sym)[length] + 1 + 3) & ~3;
2116 break;
2117 }
2118 msc_dbg->module->sortlist_valid = TRUE;
2119 }
2120 msc_dbg->module->sortlist_valid = FALSE;
2121 return TRUE;
2122 }
2123
2124 /*========================================================================
2125 * Process PDB file.
2126 */
2127
2128 static void* pdb_jg_read(const struct PDB_JG_HEADER* pdb, const WORD* 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_ds_read(const struct PDB_DS_HEADER* pdb, const DWORD* block_list,
2147 int size)
2148 {
2149 int i, num_blocks;
2150 BYTE* buffer;
2151
2152 if (!size) return NULL;
2153
2154 num_blocks = (size + pdb->block_size - 1) / pdb->block_size;
2155 buffer = HeapAlloc(GetProcessHeap(), 0, num_blocks * pdb->block_size);
2156
2157 for (i = 0; i < num_blocks; i++)
2158 memcpy(buffer + i * pdb->block_size,
2159 (const char*)pdb + block_list[i] * pdb->block_size, pdb->block_size);
2160
2161 return buffer;
2162 }
2163
2164 static void* pdb_read_jg_file(const struct PDB_JG_HEADER* pdb,
2165 const struct PDB_JG_TOC* toc, DWORD file_nr)
2166 {
2167 const WORD* block_list;
2168 DWORD i;
2169
2170 if (!toc || file_nr >= toc->num_files) return NULL;
2171
2172 block_list = (const WORD*) &toc->file[toc->num_files];
2173 for (i = 0; i < file_nr; i++)
2174 block_list += (toc->file[i].size + pdb->block_size - 1) / pdb->block_size;
2175
2176 return pdb_jg_read(pdb, block_list, toc->file[file_nr].size);
2177 }
2178
2179 static void* pdb_read_ds_file(const struct PDB_DS_HEADER* pdb,
2180 const struct PDB_DS_TOC* toc, DWORD file_nr)
2181 {
2182 const DWORD* block_list;
2183 DWORD i;
2184
2185 if (!toc || file_nr >= toc->num_files) return NULL;
2186 if (toc->file_size[file_nr] == 0 || toc->file_size[file_nr] == 0xFFFFFFFF) return NULL;
2187
2188 block_list = &toc->file_size[toc->num_files];
2189 for (i = 0; i < file_nr; i++)
2190 block_list += (toc->file_size[i] + pdb->block_size - 1) / pdb->block_size;
2191
2192 return pdb_ds_read(pdb, block_list, toc->file_size[file_nr]);
2193 }
2194
2195 static void* pdb_read_file(const struct pdb_file_info* pdb_file,
2196 DWORD file_nr)
2197 {
2198 switch (pdb_file->kind)
2199 {
2200 case PDB_JG:
2201 return pdb_read_jg_file((const struct PDB_JG_HEADER*)pdb_file->image,
2202 pdb_file->u.jg.toc, file_nr);
2203 case PDB_DS:
2204 return pdb_read_ds_file((const struct PDB_DS_HEADER*)pdb_file->image,
2205 pdb_file->u.ds.toc, file_nr);
2206 }
2207 return NULL;
2208 }
2209
2210 static unsigned pdb_get_file_size(const struct pdb_file_info* pdb_file, DWORD file_nr)
2211 {
2212 switch (pdb_file->kind)
2213 {
2214 case PDB_JG: return pdb_file->u.jg.toc->file[file_nr].size;
2215 case PDB_DS: return pdb_file->u.ds.toc->file_size[file_nr];
2216 }
2217 return 0;
2218 }
2219
2220 static void pdb_free(void* buffer)
2221 {
2222 HeapFree(GetProcessHeap(), 0, buffer);
2223 }
2224
2225 static void pdb_free_file(struct pdb_file_info* pdb_file)
2226 {
2227 switch (pdb_file->kind)
2228 {
2229 case PDB_JG:
2230 pdb_free(pdb_file->u.jg.toc);
2231 pdb_file->u.jg.toc = NULL;
2232 break;
2233 case PDB_DS:
2234 pdb_free(pdb_file->u.ds.toc);
2235 pdb_file->u.ds.toc = NULL;
2236 break;
2237 }
2238 HeapFree(GetProcessHeap(), 0, pdb_file->stream_dict);
2239 }
2240
2241 static BOOL pdb_load_stream_name_table(struct pdb_file_info* pdb_file, const char* str, unsigned cb)
2242 {
2243 DWORD* pdw;
2244 DWORD* ok_bits;
2245 DWORD count, numok;
2246 unsigned i, j;
2247 char* cpstr;
2248
2249 pdw = (DWORD*)(str + cb);
2250 numok = *pdw++;
2251 count = *pdw++;
2252
2253 pdb_file->stream_dict = HeapAlloc(GetProcessHeap(), 0, (numok + 1) * sizeof(struct pdb_stream_name) + cb);
2254 if (!pdb_file->stream_dict) return FALSE;
2255 cpstr = (char*)(pdb_file->stream_dict + numok + 1);
2256 memcpy(cpstr, str, cb);
2257
2258 /* bitfield: first dword is len (in dword), then data */
2259 ok_bits = pdw;
2260 pdw += *ok_bits++ + 1;
2261 if (*pdw++ != 0)
2262 {
2263 FIXME("unexpected value\n");
2264 return -1;
2265 }
2266
2267 for (i = j = 0; i < count; i++)
2268 {
2269 if (ok_bits[i / 32] & (1 << (i % 32)))
2270 {
2271 if (j >= numok) break;
2272 pdb_file->stream_dict[j].name = &cpstr[*pdw++];
2273 pdb_file->stream_dict[j].index = *pdw++;
2274 j++;
2275 }
2276 }
2277 /* add sentinel */
2278 pdb_file->stream_dict[numok].name = NULL;
2279 pdb_file->fpoext_stream = -1;
2280 return j == numok && i == count;
2281 }
2282
2283 static unsigned pdb_get_stream_by_name(const struct pdb_file_info* pdb_file, const char* name)
2284 {
2285 struct pdb_stream_name* psn;
2286
2287 for (psn = pdb_file->stream_dict; psn && psn->name; psn++)
2288 {
2289 if (!strcmp(psn->name, name)) return psn->index;
2290 }
2291 return -1;
2292 }
2293
2294 static void* pdb_read_strings(const struct pdb_file_info* pdb_file)
2295 {
2296 unsigned idx;
2297 void *ret;
2298
2299 idx = pdb_get_stream_by_name(pdb_file, "/names");
2300 if (idx != -1)
2301 {
2302 ret = pdb_read_file( pdb_file, idx );
2303 if (ret && *(const DWORD *)ret == 0xeffeeffe) return ret;
2304 pdb_free( ret );
2305 }
2306 WARN("string table not found\n");
2307 return NULL;
2308 }
2309
2310 static void pdb_module_remove(struct process* pcsn, struct module_format* modfmt)
2311 {
2312 unsigned i;
2313
2314 for (i = 0; i < modfmt->u.pdb_info->used_subfiles; i++)
2315 {
2316 pdb_free_file(&modfmt->u.pdb_info->pdb_files[i]);
2317 if (modfmt->u.pdb_info->pdb_files[i].image)
2318 UnmapViewOfFile(modfmt->u.pdb_info->pdb_files[i].image);
2319 if (modfmt->u.pdb_info->pdb_files[i].hMap)
2320 CloseHandle(modfmt->u.pdb_info->pdb_files[i].hMap);
2321 }
2322 HeapFree(GetProcessHeap(), 0, modfmt);
2323 }
2324
2325 static void pdb_convert_types_header(PDB_TYPES* types, const BYTE* image)
2326 {
2327 memset(types, 0, sizeof(PDB_TYPES));
2328 if (!image) return;
2329
2330 if (*(const DWORD*)image < 19960000) /* FIXME: correct version? */
2331 {
2332 /* Old version of the types record header */
2333 const PDB_TYPES_OLD* old = (const PDB_TYPES_OLD*)image;
2334 types->version = old->version;
2335 types->type_offset = sizeof(PDB_TYPES_OLD);
2336 types->type_size = old->type_size;
2337 types->first_index = old->first_index;
2338 types->last_index = old->last_index;
2339 types->file = old->file;
2340 }
2341 else
2342 {
2343 /* New version of the types record header */
2344 *types = *(const PDB_TYPES*)image;
2345 }
2346 }
2347
2348 static void pdb_convert_symbols_header(PDB_SYMBOLS* symbols,
2349 int* header_size, const BYTE* image)
2350 {
2351 memset(symbols, 0, sizeof(PDB_SYMBOLS));
2352 if (!image) return;
2353
2354 if (*(const DWORD*)image != 0xffffffff)
2355 {
2356 /* Old version of the symbols record header */
2357 const PDB_SYMBOLS_OLD* old = (const PDB_SYMBOLS_OLD*)image;
2358 symbols->version = 0;
2359 symbols->module_size = old->module_size;
2360 symbols->offset_size = old->offset_size;
2361 symbols->hash_size = old->hash_size;
2362 symbols->srcmodule_size = old->srcmodule_size;
2363 symbols->pdbimport_size = 0;
2364 symbols->hash1_file = old->hash1_file;
2365 symbols->hash2_file = old->hash2_file;
2366 symbols->gsym_file = old->gsym_file;
2367
2368 *header_size = sizeof(PDB_SYMBOLS_OLD);
2369 }
2370 else
2371 {
2372 /* New version of the symbols record header */
2373 *symbols = *(const PDB_SYMBOLS*)image;
2374 *header_size = sizeof(PDB_SYMBOLS);
2375 }
2376 }
2377
2378 static void pdb_convert_symbol_file(const PDB_SYMBOLS* symbols,
2379 PDB_SYMBOL_FILE_EX* sfile,
2380 unsigned* size, const void* image)
2381
2382 {
2383 if (symbols->version < 19970000)
2384 {
2385 const PDB_SYMBOL_FILE *sym_file = image;
2386 memset(sfile, 0, sizeof(*sfile));
2387 sfile->file = sym_file->file;
2388 sfile->range.index = sym_file->range.index;
2389 sfile->symbol_size = sym_file->symbol_size;
2390 sfile->lineno_size = sym_file->lineno_size;
2391 *size = sizeof(PDB_SYMBOL_FILE) - 1;
2392 }
2393 else
2394 {
2395 memcpy(sfile, image, sizeof(PDB_SYMBOL_FILE_EX));
2396 *size = sizeof(PDB_SYMBOL_FILE_EX) - 1;
2397 }
2398 }
2399
2400 static HANDLE map_pdb_file(const struct process* pcs,
2401 const struct pdb_lookup* lookup,
2402 struct module* module)
2403 {
2404 HANDLE hFile, hMap = NULL;
2405 char dbg_file_path[MAX_PATH];
2406 BOOL ret = FALSE;
2407
2408 switch (lookup->kind)
2409 {
2410 case PDB_JG:
2411 ret = path_find_symbol_file(pcs, lookup->filename, NULL, lookup->timestamp,
2412 lookup->age, dbg_file_path, &module->module.PdbUnmatched);
2413 break;
2414 case PDB_DS:
2415 ret = path_find_symbol_file(pcs, lookup->filename, &lookup->guid, 0,
2416 lookup->age, dbg_file_path, &module->module.PdbUnmatched);
2417 break;
2418 }
2419 if (!ret)
2420 {
2421 WARN("\tCouldn't find %s\n", lookup->filename);
2422 return NULL;
2423 }
2424 if ((hFile = CreateFileA(dbg_file_path, GENERIC_READ, FILE_SHARE_READ, NULL,
2425 OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL)) != INVALID_HANDLE_VALUE)
2426 {
2427 hMap = CreateFileMappingW(hFile, NULL, PAGE_READONLY, 0, 0, NULL);
2428 CloseHandle(hFile);
2429 }
2430 return hMap;
2431 }
2432
2433 static void pdb_process_types(const struct msc_debug_info* msc_dbg,
2434 const struct pdb_file_info* pdb_file)
2435 {
2436 BYTE* types_image = NULL;
2437
2438 types_image = pdb_read_file(pdb_file, 2);
2439 if (types_image)
2440 {
2441 PDB_TYPES types;
2442 struct codeview_type_parse ctp;
2443 DWORD total;
2444 const BYTE* ptr;
2445 DWORD* offset;
2446
2447 pdb_convert_types_header(&types, types_image);
2448
2449 /* Check for unknown versions */
2450 switch (types.version)
2451 {
2452 case 19950410: /* VC 4.0 */
2453 case 19951122:
2454 case 19961031: /* VC 5.0 / 6.0 */
2455 case 19990903: /* VC 7.0 */
2456 case 20040203: /* VC 8.0 */
2457 break;
2458 default:
2459 ERR("-Unknown type info version %d\n", types.version);
2460 }
2461
2462 ctp.module = msc_dbg->module;
2463 /* reconstruct the types offset...
2464 * FIXME: maybe it's present in the newest PDB_TYPES structures
2465 */
2466 total = types.last_index - types.first_index + 1;
2467 offset = HeapAlloc(GetProcessHeap(), 0, sizeof(DWORD) * total);
2468 ctp.table = ptr = types_image + types.type_offset;
2469 ctp.num = 0;
2470 while (ptr < ctp.table + types.type_size && ctp.num < total)
2471 {
2472 offset[ctp.num++] = ptr - ctp.table;
2473 ptr += ((const union codeview_type*)ptr)->generic.len + 2;
2474 }
2475 ctp.offset = offset;
2476
2477 /* Read type table */
2478 codeview_parse_type_table(&ctp);
2479 HeapFree(GetProcessHeap(), 0, offset);
2480 pdb_free(types_image);
2481 }
2482 }
2483
2484 static const char PDB_JG_IDENT[] = "Microsoft C/C++ program database 2.00\r\n\032JG\0";
2485 static const char PDB_DS_IDENT[] = "Microsoft C/C++ MSF 7.00\r\n\032DS\0";
2486
2487 /******************************************************************
2488 * pdb_init
2489 *
2490 * Tries to load a pdb file
2491 * 'matched' is filled with the number of correct matches for this file:
2492 * - age counts for one
2493 * - timestamp or guid depending on kind counts for one
2494 * a wrong kind of file returns FALSE (FIXME ?)
2495 */
2496 static BOOL pdb_init(const struct pdb_lookup* pdb_lookup, struct pdb_file_info* pdb_file,
2497 const char* image, unsigned* matched)
2498 {
2499 BOOL ret = TRUE;
2500
2501 /* check the file header, and if ok, load the TOC */
2502 TRACE("PDB(%s): %.40s\n", pdb_lookup->filename, debugstr_an(image, 40));
2503
2504 *matched = 0;
2505 if (!memcmp(image, PDB_JG_IDENT, sizeof(PDB_JG_IDENT)))
2506 {
2507 const struct PDB_JG_HEADER* pdb = (const struct PDB_JG_HEADER*)image;
2508 struct PDB_JG_ROOT* root;
2509
2510 pdb_file->u.jg.toc = pdb_jg_read(pdb, pdb->toc_block, pdb->toc.size);
2511 root = pdb_read_jg_file(pdb, pdb_file->u.jg.toc, 1);
2512 if (!root)
2513 {
2514 ERR("-Unable to get root from .PDB in %s\n", pdb_lookup->filename);
2515 return FALSE;
2516 }
2517 switch (root->Version)
2518 {
2519 case 19950623: /* VC 4.0 */
2520 case 19950814:
2521 case 19960307: /* VC 5.0 */
2522 case 19970604: /* VC 6.0 */
2523 break;
2524 default:
2525 ERR("-Unknown root block version %d\n", root->Version);
2526 }
2527 if (pdb_lookup->kind != PDB_JG)
2528 {
2529 WARN("Found %s, but wrong PDB kind\n", pdb_lookup->filename);
2530 return FALSE;
2531 }
2532 pdb_file->kind = PDB_JG;
2533 pdb_file->u.jg.timestamp = root->TimeDateStamp;
2534 pdb_file->age = root->Age;
2535 if (root->TimeDateStamp == pdb_lookup->timestamp) (*matched)++;
2536 else WARN("Found %s, but wrong signature: %08x %08x\n",
2537 pdb_lookup->filename, root->TimeDateStamp, pdb_lookup->timestamp);
2538 if (root->Age == pdb_lookup->age) (*matched)++;
2539 else WARN("Found %s, but wrong age: %08x %08x\n",
2540 pdb_lookup->filename, root->Age, pdb_lookup->age);
2541 TRACE("found JG for %s: age=%x timestamp=%x\n",
2542 pdb_lookup->filename, root->Age, root->TimeDateStamp);
2543 pdb_load_stream_name_table(pdb_file, &root->names[0], root->cbNames);
2544
2545 pdb_free(root);
2546 }
2547 else if (!memcmp(image, PDB_DS_IDENT, sizeof(PDB_DS_IDENT)))
2548 {
2549 const struct PDB_DS_HEADER* pdb = (const struct PDB_DS_HEADER*)image;
2550 struct PDB_DS_ROOT* root;
2551
2552 pdb_file->u.ds.toc =
2553 pdb_ds_read(pdb,
2554 (const DWORD*)((const char*)pdb + pdb->toc_page * pdb->block_size),
2555 pdb->toc_size);
2556 root = pdb_read_ds_file(pdb, pdb_file->u.ds.toc, 1);
2557 if (!root)
2558 {
2559 ERR("-Unable to get root from .PDB in %s\n", pdb_lookup->filename);
2560 return FALSE;
2561 }
2562 switch (root->Version)
2563 {
2564 case 20000404:
2565 break;
2566 default:
2567 ERR("-Unknown root block version %d\n", root->Version);
2568 }
2569 pdb_file->kind = PDB_DS;
2570 pdb_file->u.ds.guid = root->guid;
2571 pdb_file->age = root->Age;
2572 if (!memcmp(&root->guid, &pdb_lookup->guid, sizeof(GUID))) (*matched)++;
2573 else WARN("Found %s, but wrong GUID: %s %s\n",
2574 pdb_lookup->filename, debugstr_guid(&root->guid),
2575 debugstr_guid(&pdb_lookup->guid));
2576 if (root->Age == pdb_lookup->age) (*matched)++;
2577 else WARN("Found %s, but wrong age: %08x %08x\n",
2578 pdb_lookup->filename, root->Age, pdb_lookup->age);
2579 TRACE("found DS for %s: age=%x guid=%s\n",
2580 pdb_lookup->filename, root->Age, debugstr_guid(&root->guid));
2581 pdb_load_stream_name_table(pdb_file, &root->names[0], root->cbNames);
2582
2583 pdb_free(root);
2584 }
2585
2586 if (0) /* some tool to dump the internal files from a PDB file */
2587 {
2588 int i, num_files;
2589
2590 switch (pdb_file->kind)
2591 {
2592 case PDB_JG: num_files = pdb_file->u.jg.toc->num_files; break;
2593 case PDB_DS: num_files = pdb_file->u.ds.toc->num_files; break;
2594 }
2595
2596 for (i = 1; i < num_files; i++)
2597 {
2598 unsigned char* x = pdb_read_file(pdb_file, i);
2599 FIXME("********************** [%u]: size=%08x\n",
2600 i, pdb_get_file_size(pdb_file, i));
2601 dump(x, pdb_get_file_size(pdb_file, i));
2602 pdb_free(x);
2603 }
2604 }
2605 return ret;
2606 }
2607
2608 static BOOL pdb_process_internal(const struct process* pcs,
2609 const struct msc_debug_info* msc_dbg,
2610 const struct pdb_lookup* pdb_lookup,
2611 struct pdb_module_info* pdb_module_info,
2612 unsigned module_index);
2613
2614 static void pdb_process_symbol_imports(const struct process* pcs,
2615 const struct msc_debug_info* msc_dbg,
2616 const PDB_SYMBOLS* symbols,
2617 const void* symbols_image,
2618 const char* image,
2619 const struct pdb_lookup* pdb_lookup,
2620 struct pdb_module_info* pdb_module_info,
2621 unsigned module_index)
2622 {
2623 if (module_index == -1 && symbols && symbols->pdbimport_size)
2624 {
2625 const PDB_SYMBOL_IMPORT*imp;
2626 const void* first;
2627 const void* last;
2628 const char* ptr;
2629 int i = 0;
2630 struct pdb_file_info sf0 = pdb_module_info->pdb_files[0];
2631
2632 imp = (const PDB_SYMBOL_IMPORT*)((const char*)symbols_image + sizeof(PDB_SYMBOLS) +
2633 symbols->module_size + symbols->offset_size +
2634 symbols->hash_size + symbols->srcmodule_size);
2635 first = imp;
2636 last = (const char*)imp + symbols->pdbimport_size;
2637 while (imp < (const PDB_SYMBOL_IMPORT*)last)
2638 {
2639 ptr = (const char*)imp + sizeof(*imp) + strlen(imp->filename);
2640 if (i >= CV_MAX_MODULES) FIXME("Out of bounds !!!\n");
2641 if (!strcasecmp(pdb_lookup->filename, imp->filename))
2642 {
2643 if (module_index != -1) FIXME("Twice the entry\n");
2644 else module_index = i;
2645 pdb_module_info->pdb_files[i] = sf0;
2646 }
2647 else
2648 {
2649 struct pdb_lookup imp_pdb_lookup;
2650
2651 /* FIXME: this is an import of a JG PDB file
2652 * how's a DS PDB handled ?
2653 */
2654 imp_pdb_lookup.filename = imp->filename;
2655 imp_pdb_lookup.kind = PDB_JG;
2656 imp_pdb_lookup.timestamp = imp->TimeDateStamp;
2657 imp_pdb_lookup.age = imp->Age;
2658 TRACE("got for %s: age=%u ts=%x\n",
2659 imp->filename, imp->Age, imp->TimeDateStamp);
2660 pdb_process_internal(pcs, msc_dbg, &imp_pdb_lookup, pdb_module_info, i);
2661 }
2662 i++;
2663 imp = (const PDB_SYMBOL_IMPORT*)((const char*)first + ((ptr - (const char*)first + strlen(ptr) + 1 + 3) & ~3));
2664 }
2665 pdb_module_info->used_subfiles = i;
2666 }
2667 if (module_index == -1)
2668 {
2669 module_index = 0;
2670 pdb_module_info->used_subfiles = 1;
2671 }
2672 cv_current_module = &cv_zmodules[module_index];
2673 if (cv_current_module->allowed) FIXME("Already allowed ??\n");
2674 cv_current_module->allowed = TRUE;
2675 }
2676
2677 static BOOL pdb_process_internal(const struct process* pcs,
2678 const struct msc_debug_info* msc_dbg,
2679 const struct pdb_lookup* pdb_lookup,
2680 struct pdb_module_info* pdb_module_info,
2681 unsigned module_index)
2682 {
2683 HANDLE hMap = NULL;
2684 char* image = NULL;
2685 BYTE* symbols_image = NULL;
2686 char* files_image = NULL;
2687 DWORD files_size = 0;
2688 unsigned matched;
2689 struct pdb_file_info* pdb_file;
2690
2691 TRACE("Processing PDB file %s\n", pdb_lookup->filename);
2692
2693 pdb_file = &pdb_module_info->pdb_files[module_index == -1 ? 0 : module_index];
2694 /* Open and map() .PDB file */
2695 if ((hMap = map_pdb_file(pcs, pdb_lookup, msc_dbg->module)) == NULL ||
2696 ((image = MapViewOfFile(hMap, FILE_MAP_READ, 0, 0, 0)) == NULL))
2697 {
2698 WARN("Unable to open .PDB file: %s\n", pdb_lookup->filename);
2699 CloseHandle(hMap);
2700 return FALSE;
2701 }
2702 if (!pdb_init(pdb_lookup, pdb_file, image, &matched) || matched != 2)
2703 {
2704 CloseHandle(hMap);
2705 UnmapViewOfFile(image);
2706 return FALSE;
2707 }
2708
2709 pdb_file->hMap = hMap;
2710 pdb_file->image = image;
2711 symbols_image = pdb_read_file(pdb_file, 3);
2712 if (symbols_image)
2713 {
2714 PDB_SYMBOLS symbols;
2715 BYTE* globalimage;
2716 BYTE* modimage;
2717 BYTE* file;
2718 int header_size = 0;
2719 PDB_STREAM_INDEXES* psi;
2720
2721 pdb_convert_symbols_header(&symbols, &header_size, symbols_image);
2722 switch (symbols.version)
2723 {
2724 case 0: /* VC 4.0 */
2725 case 19960307: /* VC 5.0 */
2726 case 19970606: /* VC 6.0 */
2727 case 19990903:
2728 break;
2729 default:
2730 ERR("-Unknown symbol info version %d %08x\n",
2731 symbols.version, symbols.version);
2732 }
2733
2734 switch (symbols.stream_index_size)
2735 {
2736 case 0:
2737 case sizeof(PDB_STREAM_INDEXES_OLD):
2738 /* no fpo ext stream in this case */
2739 break;
2740 case sizeof(PDB_STREAM_INDEXES):
2741 psi = (PDB_STREAM_INDEXES*)((const char*)symbols_image + sizeof(PDB_SYMBOLS) +
2742 symbols.module_size + symbols.offset_size +
2743 symbols.hash_size + symbols.srcmodule_size +
2744 symbols.pdbimport_size + symbols.unknown2_size);
2745 pdb_file->fpoext_stream = psi->FPO_EXT;
2746 break;
2747 default:
2748 FIXME("Unknown PDB_STREAM_INDEXES size (%d)\n", symbols.stream_index_size);
2749 break;
2750 }
2751 files_image = pdb_read_strings(pdb_file);
2752 if (files_image) files_size = *(const DWORD*)(files_image + 8);
2753
2754 pdb_process_symbol_imports(pcs, msc_dbg, &symbols, symbols_image, image,
2755 pdb_lookup, pdb_module_info, module_index);
2756 pdb_process_types(msc_dbg, pdb_file);
2757
2758 /* Read global symbol table */
2759 globalimage = pdb_read_file(pdb_file, symbols.gsym_file);
2760 if (globalimage)
2761 {
2762 codeview_snarf(msc_dbg, globalimage, 0,
2763 pdb_get_file_size(pdb_file, symbols.gsym_file), FALSE);
2764 }
2765
2766 /* Read per-module symbols' tables */
2767 file = symbols_image + header_size;
2768 while (file - symbols_image < header_size + symbols.module_size)
2769 {
2770 PDB_SYMBOL_FILE_EX sfile;
2771 const char* file_name;
2772 unsigned size;
2773
2774 HeapValidate(GetProcessHeap(), 0, NULL);
2775 pdb_convert_symbol_file(&symbols, &sfile, &size, file);
2776
2777 modimage = pdb_read_file(pdb_file, sfile.file);
2778 if (modimage)
2779 {
2780 if (sfile.symbol_size)
2781 codeview_snarf(msc_dbg, modimage, sizeof(DWORD),
2782 sfile.symbol_size, TRUE);
2783
2784 if (sfile.lineno_size)
2785 codeview_snarf_linetab(msc_dbg,
2786 modimage + sfile.symbol_size,
2787 sfile.lineno_size,
2788 pdb_file->kind == PDB_JG);
2789 if (files_image)
2790 codeview_snarf_linetab2(msc_dbg, modimage + sfile.symbol_size + sfile.lineno_size,
2791 pdb_get_file_size(pdb_file, sfile.file) - sfile.symbol_size - sfile.lineno_size,
2792 files_image + 12, files_size);
2793
2794 pdb_free(modimage);
2795 }
2796 file_name = (const char*)file + size;
2797 file_name += strlen(file_name) + 1;
2798 file = (BYTE*)((DWORD_PTR)(file_name + strlen(file_name) + 1 + 3) & ~3);
2799 }
2800 /* finish the remaining public and global information */
2801 if (globalimage)
2802 {
2803 codeview_snarf_public(msc_dbg, globalimage, 0,
2804 pdb_get_file_size(pdb_file, symbols.gsym_file));
2805 pdb_free(globalimage);
2806 }
2807 }
2808 else
2809 pdb_process_symbol_imports(pcs, msc_dbg, NULL, NULL, image,
2810 pdb_lookup, pdb_module_info, module_index);
2811
2812 pdb_free(symbols_image);
2813 pdb_free(files_image);
2814
2815 return TRUE;
2816 }
2817
2818 static BOOL pdb_process_file(const struct process* pcs,
2819 const struct msc_debug_info* msc_dbg,
2820 struct pdb_lookup* pdb_lookup)
2821 {
2822 BOOL ret;
2823 struct module_format* modfmt;
2824 struct pdb_module_info* pdb_module_info;
2825
2826 modfmt = HeapAlloc(GetProcessHeap(), 0,
2827 sizeof(struct module_format) + sizeof(struct pdb_module_info));
2828 if (!modfmt) return FALSE;
2829
2830 pdb_module_info = (void*)(modfmt + 1);
2831 msc_dbg->module->format_info[DFI_PDB] = modfmt;
2832 modfmt->module = msc_dbg->module;
2833 modfmt->remove = pdb_module_remove;
2834 modfmt->loc_compute = NULL;
2835 modfmt->u.pdb_info = pdb_module_info;
2836
2837 memset(cv_zmodules, 0, sizeof(cv_zmodules));
2838 codeview_init_basic_types(msc_dbg->module);
2839 ret = pdb_process_internal(pcs, msc_dbg, pdb_lookup,
2840 msc_dbg->module->format_info[DFI_PDB]->u.pdb_info, -1);
2841 codeview_clear_type_table();
2842 if (ret)
2843 {
2844 struct pdb_module_info* pdb_info = msc_dbg->module->format_info[DFI_PDB]->u.pdb_info;
2845 msc_dbg->module->module.SymType = SymCv;
2846 if (pdb_info->pdb_files[0].kind == PDB_JG)
2847 msc_dbg->module->module.PdbSig = pdb_info->pdb_files[0].u.jg.timestamp;
2848 else
2849 msc_dbg->module->module.PdbSig70 = pdb_info->pdb_files[0].u.ds.guid;
2850 msc_dbg->module->module.PdbAge = pdb_info->pdb_files[0].age;
2851 MultiByteToWideChar(CP_ACP, 0, pdb_lookup->filename, -1,
2852 msc_dbg->module->module.LoadedPdbName,
2853 sizeof(msc_dbg->module->module.LoadedPdbName) / sizeof(WCHAR));
2854 /* FIXME: we could have a finer grain here */
2855 msc_dbg->module->module.LineNumbers = TRUE;
2856 msc_dbg->module->module.GlobalSymbols = TRUE;
2857 msc_dbg->module->module.TypeInfo = TRUE;
2858 msc_dbg->module->module.SourceIndexed = TRUE;
2859 msc_dbg->module->module.Publics = TRUE;
2860 }
2861 else
2862 {
2863 msc_dbg->module->format_info[DFI_PDB] = NULL;
2864 HeapFree(GetProcessHeap(), 0, modfmt);
2865 }
2866 return ret;
2867 }
2868
2869 BOOL pdb_fetch_file_info(const struct pdb_lookup* pdb_lookup, unsigned* matched)
2870 {
2871 HANDLE hFile, hMap = NULL;
2872 char* image = NULL;
2873 BOOL ret;
2874 struct pdb_file_info pdb_file;
2875
2876 if ((hFile = CreateFileA(pdb_lookup->filename, GENERIC_READ, FILE_SHARE_READ, NULL,
2877 OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL)) == INVALID_HANDLE_VALUE ||
2878 ((hMap = CreateFileMappingW(hFile, NULL, PAGE_READONLY, 0, 0, NULL)) == NULL) ||
2879 ((image = MapViewOfFile(hMap, FILE_MAP_READ, 0, 0, 0)) == NULL))
2880 {
2881 WARN("Unable to open .PDB file: %s\n", pdb_lookup->filename);
2882 ret = FALSE;
2883 }
2884 else
2885 {
2886 ret = pdb_init(pdb_lookup, &pdb_file, image, matched);
2887 pdb_free_file(&pdb_file);
2888 }
2889
2890 if (image) UnmapViewOfFile(image);
2891 if (hMap) CloseHandle(hMap);
2892 if (hFile != INVALID_HANDLE_VALUE) CloseHandle(hFile);
2893
2894 return ret;
2895 }
2896
2897 /*========================================================================
2898 * FPO unwinding code
2899 */
2900
2901 /* Stack unwinding is based on postfixed operations.
2902 * Let's define our Postfix EValuator
2903 */
2904 #define PEV_MAX_LEN 32
2905 struct pevaluator
2906 {
2907 struct cpu_stack_walk* csw;
2908 struct pool pool;
2909 struct vector stack;
2910 unsigned stk_index;
2911 struct hash_table values;
2912 char error[64];
2913 };
2914
2915 struct zvalue
2916 {
2917 DWORD_PTR value;
2918 struct hash_table_elt elt;
2919 };
2920
2921 #define PEV_ERROR(pev, msg) snprintf((pev)->error, sizeof((pev)->error), "%s", (msg)),FALSE
2922 #define PEV_ERROR1(pev, msg, pmt) snprintf((pev)->error, sizeof((pev)->error), (msg), (pmt)),FALSE
2923
2924 #if 0
2925 static void pev_dump_stack(struct pevaluator* pev)
2926 {
2927 unsigned i;
2928 FIXME("stack #%d\n", pev->stk_index);
2929 for (i = 0; i < pev->stk_index; i++)
2930 {
2931 FIXME("\t%d) %s\n", i, *(char**)vector_at(&pev->stack, i));
2932 }
2933 }
2934 #endif
2935
2936 /* get the value out of an operand (variable or literal) */
2937 static BOOL pev_get_val(struct pevaluator* pev, const char* str, DWORD_PTR* val)
2938 {
2939 char* n;
2940 struct hash_table_iter hti;
2941 void* ptr;
2942
2943 switch (str[0])
2944 {
2945 case '$':
2946 case '.':
2947 hash_table_iter_init(&pev->values, &hti, str);
2948 while ((ptr = hash_table_iter_up(&hti)))
2949 {
2950 if (!strcmp(GET_ENTRY(ptr, struct zvalue, elt)->elt.name, str))
2951 {
2952 *val = GET_ENTRY(ptr, struct zvalue, elt)->value;
2953 return TRUE;
2954 }
2955 }
2956 return PEV_ERROR1(pev, "get_zvalue: no value found (%s)", str);
2957 default:
2958 *val = strtol(str, &n, 10);
2959 if (n == str || *n != '\0')
2960 return PEV_ERROR1(pev, "get_val: not a literal (%s)", str);
2961 return TRUE;
2962 }
2963 }
2964
2965 /* push an operand onto the stack */
2966 static BOOL pev_push(struct pevaluator* pev, const char* elt)
2967 {
2968 char** at;
2969 if (pev->stk_index < vector_length(&pev->stack))
2970 at = vector_at(&pev->stack, pev->stk_index);
2971 else
2972 at = vector_add(&pev->stack, &pev->pool);
2973 if (!at) return PEV_ERROR(pev, "push: out of memory");
2974 *at = pool_strdup(&pev->pool, elt);
2975 pev->stk_index++;
2976 return TRUE;
2977 }
2978
2979 /* pop an operand from the stack */
2980 static BOOL pev_pop(struct pevaluator* pev, char* elt)
2981 {
2982 char** at = vector_at(&pev->stack, --pev->stk_index);
2983 if (!at) return PEV_ERROR(pev, "pop: stack empty");
2984 strcpy(elt, *at);
2985 return TRUE;
2986 }
2987
2988 /* pop an operand from the stack, and gets its value */
2989 static BOOL pev_pop_val(struct pevaluator* pev, DWORD_PTR* val)
2990 {
2991 char p[PEV_MAX_LEN];
2992
2993 return pev_pop(pev, p) && pev_get_val(pev, p, val);
2994 }
2995
2996 /* set var 'name' a new value (creates the var if it doesn't exist) */
2997 static BOOL pev_set_value(struct pevaluator* pev, const char* name, DWORD_PTR val)
2998 {
2999 struct hash_table_iter hti;
3000 void* ptr;
3001
3002 hash_table_iter_init(&pev->values, &hti, name);
3003 while ((ptr = hash_table_iter_up(&hti)))
3004 {
3005 if (!strcmp(GET_ENTRY(ptr, struct zvalue, elt)->elt.name, name))
3006 {
3007 GET_ENTRY(ptr, struct zvalue, elt)->value = val;
3008 break;
3009 }
3010 }
3011 if (!ptr)
3012 {
3013 struct zvalue* zv = pool_alloc(&pev->pool, sizeof(*zv));
3014 if (!zv) return PEV_ERROR(pev, "set_value: out of memory");
3015 zv->value = val;
3016
3017 zv->elt.name = pool_strdup(&pev->pool, name);
3018 hash_table_add(&pev->values, &zv->elt);
3019 }
3020 return TRUE;
3021 }
3022
3023 /* execute a binary operand from the two top most values on the stack.
3024 * puts result on top of the stack */
3025 static BOOL pev_binop(struct pevaluator* pev, char op)
3026 {
3027 char res[PEV_MAX_LEN];
3028 DWORD_PTR v1, v2, c;
3029
3030 if (!pev_pop_val(pev, &v1) || !pev_pop_val(pev, &v2)) return FALSE;
3031 switch (op)
3032 {
3033 case '+': c = v1 + v2; break;
3034 case '-': c = v1 - v2; break;
3035 case '*': c = v1 * v2; break;
3036 case '/': c = v1 / v2; break;
3037 case '%': c = v1 % v2; break;
3038 default: return PEV_ERROR1(pev, "binop: unknown op (%c)", op);
3039 }
3040 snprintf(res, sizeof(res), "%ld", c);
3041 pev_push(pev, res);
3042 return TRUE;
3043 }
3044
3045 /* pops top most operand, dereference it, on pushes the result on top of the stack */
3046 static BOOL pev_deref(struct pevaluator* pev)
3047 {
3048 char res[PEV_MAX_LEN];
3049 DWORD_PTR v1, v2;
3050
3051 if (!pev_pop_val(pev, &v1)) return FALSE;
3052 if (!sw_read_mem(pev->csw, v1, &v2, sizeof(v2)))
3053 return PEV_ERROR1(pev, "deref: cannot read mem at %lx\n", v1);
3054 snprintf(res, sizeof(res), "%ld", v2);
3055 pev_push(pev, res);
3056 return TRUE;
3057 }
3058
3059 /* assign value to variable (from two top most operands) */
3060 static BOOL pev_assign(struct pevaluator* pev)
3061 {
3062 char p2[PEV_MAX_LEN];
3063 DWORD_PTR v1;
3064
3065 if (!pev_pop_val(pev, &v1) || !pev_pop(pev, p2)) return FALSE;
3066 if (p2[0] != '$') return PEV_ERROR1(pev, "assign: %s isn't a variable", p2);
3067 pev_set_value(pev, p2, v1);
3068
3069 return TRUE;
3070 }
3071
3072 /* initializes the postfix evaluator */
3073 static void pev_init(struct pevaluator* pev, struct cpu_stack_walk* csw,
3074 PDB_FPO_DATA* fpoext, struct pdb_cmd_pair* cpair)
3075 {
3076 pev->csw = csw;
3077 pool_init(&pev->pool, 512);
3078 vector_init(&pev->stack, sizeof(char*), 8);
3079 pev->stk_index = 0;
3080 hash_table_init(&pev->pool, &pev->values, 8);
3081 pev->error[0] = '\0';
3082 for (; cpair->name; cpair++)
3083 pev_set_value(pev, cpair->name, *cpair->pvalue);
3084 pev_set_value(pev, ".raSearchStart", fpoext->start);
3085 pev_set_value(pev, ".cbLocals", fpoext->locals_size);
3086 pev_set_value(pev, ".cbParams", fpoext->params_size);
3087 pev_set_value(pev, ".cbSavedRegs", fpoext->savedregs_size);
3088 }
3089
3090 static BOOL pev_free(struct pevaluator* pev, struct pdb_cmd_pair* cpair)
3091 {
3092 DWORD_PTR val;
3093
3094 if (cpair) for (; cpair->name; cpair++)
3095 {
3096 if (pev_get_val(pev, cpair->name, &val))
3097 *cpair->pvalue = val;
3098 }
3099 pool_destroy(&pev->pool);
3100 return TRUE;
3101 }
3102
3103 static BOOL pdb_parse_cmd_string(struct cpu_stack_walk* csw, PDB_FPO_DATA* fpoext,
3104 const char* cmd, struct pdb_cmd_pair* cpair)
3105 {
3106 char token[PEV_MAX_LEN];
3107 char* ptok = token;
3108 const char* ptr;
3109 BOOL over = FALSE;
3110 struct pevaluator pev;
3111
3112 pev_init(&pev, csw, fpoext, cpair);
3113 for (ptr = cmd; !over; ptr++)
3114 {
3115 if (*ptr == ' ' || (over = *ptr == '\0'))
3116 {
3117 *ptok = '\0';
3118
3119 if (!strcmp(token, "+") || !strcmp(token, "-") || !strcmp(token, "*") ||
3120 !strcmp(token, "/") || !strcmp(token, "%"))
3121 {
3122 if (!pev_binop(&pev, token[0])) goto done;
3123 }
3124 else if (!strcmp(token, "^"))
3125 {
3126 if (!pev_deref(&pev)) goto done;
3127 }
3128 else if (!strcmp(token, "="))
3129 {
3130 if (!pev_assign(&pev)) goto done;
3131 }
3132 else
3133 {
3134 if (!pev_push(&pev, token)) goto done;
3135 }
3136 ptok = token;
3137 }
3138 else
3139 {
3140 if (ptok - token >= PEV_MAX_LEN - 1)
3141 {
3142 PEV_ERROR1(&pev, "parse: token too long (%s)", ptr - (ptok - token));
3143 goto done;
3144 }
3145 *ptok++ = *ptr;
3146 }
3147 }
3148 pev_free(&pev, cpair);
3149 return TRUE;
3150 done:
3151 FIXME("Couldn't evaluate %s => %s\n", wine_dbgstr_a(cmd), pev.error);
3152 pev_free(&pev, NULL);
3153 return FALSE;
3154 }
3155
3156 BOOL pdb_virtual_unwind(struct cpu_stack_walk* csw, DWORD_PTR ip,
3157 CONTEXT* context, struct pdb_cmd_pair* cpair)
3158 {
3159 struct module_pair pair;
3160 struct pdb_module_info* pdb_info;
3161 PDB_FPO_DATA* fpoext;
3162 unsigned i, size, strsize;
3163 char* strbase;
3164 BOOL ret = TRUE;
3165
3166 if (!(pair.pcs = process_find_by_handle(csw->hProcess)) ||
3167 !(pair.requested = module_find_by_addr(pair.pcs, ip, DMT_UNKNOWN)) ||
3168 !module_get_debug(&pair))
3169 return FALSE;
3170 if (!pair.effective->format_info[DFI_PDB]) return FALSE;
3171 pdb_info = pair.effective->format_info[DFI_PDB]->u.pdb_info;
3172 TRACE("searching %lx => %lx\n", ip, ip - (DWORD_PTR)pair.effective->module.BaseOfImage);
3173 ip -= (DWORD_PTR)pair.effective->module.BaseOfImage;
3174
3175 strbase = pdb_read_strings(&pdb_info->pdb_files[0]);
3176 if (!strbase) return FALSE;
3177 strsize = *(const DWORD*)(strbase + 8);
3178 fpoext = pdb_read_file(&pdb_info->pdb_files[0], pdb_info->pdb_files[0].fpoext_stream);
3179 size = pdb_get_file_size(&pdb_info->pdb_files[0], pdb_info->pdb_files[0].fpoext_stream);
3180 if (fpoext && (size % sizeof(*fpoext)) == 0)
3181 {
3182 size /= sizeof(*fpoext);
3183 for (i = 0; i < size; i++)
3184 {
3185 if (fpoext[i].start <= ip && ip < fpoext[i].start + fpoext[i].func_size)
3186 {
3187 TRACE("\t%08x %08x %8x %8x %4x %4x %4x %08x %s\n",
3188 fpoext[i].start, fpoext[i].func_size, fpoext[i].locals_size,
3189 fpoext[i].params_size, fpoext[i].maxstack_size, fpoext[i].prolog_size,
3190 fpoext[i].savedregs_size, fpoext[i].flags,
3191 fpoext[i].str_offset < strsize ?
3192 wine_dbgstr_a(strbase + 12 + fpoext[i].str_offset) : "<out of bounds>");
3193 if (fpoext[i].str_offset < strsize)
3194 ret = pdb_parse_cmd_string(csw, &fpoext[i], strbase + 12 + fpoext[i].str_offset, cpair);
3195 else
3196 ret = FALSE;
3197 break;
3198 }
3199 }
3200 }
3201 else ret = FALSE;
3202 pdb_free(fpoext);
3203 pdb_free(strbase);
3204
3205 return ret;
3206 }
3207
3208 /*========================================================================
3209 * Process CodeView debug information.
3210 */
3211
3212 #define MAKESIG(a,b,c,d) ((a) | ((b) << 8) | ((c) << 16) | ((d) << 24))
3213 #define CODEVIEW_NB09_SIG MAKESIG('N','B','0','9')
3214 #define CODEVIEW_NB10_SIG MAKESIG('N','B','1','0')
3215 #define CODEVIEW_NB11_SIG MAKESIG('N','B','1','1')
3216 #define CODEVIEW_RSDS_SIG MAKESIG('R','S','D','S')
3217
3218 static BOOL codeview_process_info(const struct process* pcs,
3219 const struct msc_debug_info* msc_dbg)
3220 {
3221 const DWORD* signature = (const DWORD*)msc_dbg->root;
3222 BOOL ret = FALSE;
3223 struct pdb_lookup pdb_lookup;
3224
3225 TRACE("Processing signature %.4s\n", (const char*)signature);
3226
3227 switch (*signature)
3228 {
3229 case CODEVIEW_NB09_SIG:
3230 case CODEVIEW_NB11_SIG:
3231 {
3232 const OMFSignature* cv = (const OMFSignature*)msc_dbg->root;
3233 const OMFDirHeader* hdr = (const OMFDirHeader*)(msc_dbg->root + cv->filepos);
3234 const OMFDirEntry* ent;
3235 const OMFDirEntry* prev;
3236 const OMFDirEntry* next;
3237 unsigned int i;
3238
3239 codeview_init_basic_types(msc_dbg->module);
3240
3241 for (i = 0; i < hdr->cDir; i++)
3242 {
3243 ent = (const OMFDirEntry*)((const BYTE*)hdr + hdr->cbDirHeader + i * hdr->cbDirEntry);
3244 if (ent->SubSection == sstGlobalTypes)
3245 {
3246 const OMFGlobalTypes* types;
3247 struct codeview_type_parse ctp;
3248
3249 types = (const OMFGlobalTypes*)(msc_dbg->root + ent->lfo);
3250 ctp.module = msc_dbg->module;
3251 ctp.offset = (const DWORD*)(types + 1);
3252 ctp.num = types->cTypes;
3253 ctp.table = (const BYTE*)(ctp.offset + types->cTypes);
3254
3255 cv_current_module = &cv_zmodules[0];
3256 if (cv_current_module->allowed) FIXME("Already allowed ??\n");
3257 cv_current_module->allowed = TRUE;
3258
3259 codeview_parse_type_table(&ctp);
3260 break;
3261 }
3262 }
3263
3264 ent = (const OMFDirEntry*)((const BYTE*)hdr + hdr->cbDirHeader);
3265 for (i = 0; i < hdr->cDir; i++, ent = next)
3266 {
3267 next = (i == hdr->cDir-1) ? NULL :
3268 (const OMFDirEntry*)((const BYTE*)ent + hdr->cbDirEntry);
3269 prev = (i == 0) ? NULL :
3270 (const OMFDirEntry*)((const BYTE*)ent - hdr->cbDirEntry);
3271
3272 if (ent->SubSection == sstAlignSym)
3273 {
3274 codeview_snarf(msc_dbg, msc_dbg->root + ent->lfo, sizeof(DWORD),
3275 ent->cb, TRUE);
3276
3277 /*
3278 * Check the next and previous entry. If either is a
3279 * sstSrcModule, it contains the line number info for
3280 * this file.
3281 *
3282 * FIXME: This is not a general solution!
3283 */
3284 if (next && next->iMod == ent->iMod && next->SubSection == sstSrcModule)
3285 codeview_snarf_linetab(msc_dbg, msc_dbg->root + next->lfo,
3286 next->cb, TRUE);
3287
3288 if (prev && prev->iMod == ent->iMod && prev->SubSection == sstSrcModule)
3289 codeview_snarf_linetab(msc_dbg, msc_dbg->root + prev->lfo,
3290 prev->cb, TRUE);
3291
3292 }
3293 }
3294
3295 msc_dbg->module->module.SymType = SymCv;
3296 /* FIXME: we could have a finer grain here */
3297 msc_dbg->module->module.LineNumbers = TRUE;
3298 msc_dbg->module->module.GlobalSymbols = TRUE;
3299 msc_dbg->module->module.TypeInfo = TRUE;
3300 msc_dbg->module->module.SourceIndexed = TRUE;
3301 msc_dbg->module->module.Publics = TRUE;
3302 codeview_clear_type_table();
3303 ret = TRUE;
3304 break;
3305 }
3306
3307 case CODEVIEW_NB10_SIG:
3308 {
3309 const CODEVIEW_PDB_DATA* pdb = (const CODEVIEW_PDB_DATA*)msc_dbg->root;
3310 pdb_lookup.filename = pdb->name;
3311 pdb_lookup.kind = PDB_JG;
3312 pdb_lookup.timestamp = pdb->timestamp;
3313 pdb_lookup.age = pdb->age;
3314 ret = pdb_process_file(pcs, msc_dbg, &pdb_lookup);
3315 break;
3316 }
3317 case CODEVIEW_RSDS_SIG:
3318 {
3319 const OMFSignatureRSDS* rsds = (const OMFSignatureRSDS*)msc_dbg->root;
3320
3321 TRACE("Got RSDS type of PDB file: guid=%s age=%08x name=%s\n",
3322 wine_dbgstr_guid(&rsds->guid), rsds->age, rsds->name);
3323 pdb_lookup.filename = rsds->name;
3324 pdb_lookup.kind = PDB_DS;
3325 pdb_lookup.guid = rsds->guid;
3326 pdb_lookup.age = rsds->age;
3327 ret = pdb_process_file(pcs, msc_dbg, &pdb_lookup);
3328 break;
3329 }
3330 default:
3331 ERR("Unknown CODEVIEW signature %08x in module %s\n",
3332 *signature, debugstr_w(msc_dbg->module->module.ModuleName));
3333 break;
3334 }
3335 if (ret)
3336 {
3337 msc_dbg->module->module.CVSig = *signature;
3338 memcpy(msc_dbg->module->module.CVData, msc_dbg->root,
3339 sizeof(msc_dbg->module->module.CVData));
3340 }
3341 return ret;
3342 }
3343
3344 /*========================================================================
3345 * Process debug directory.
3346 */
3347 BOOL pe_load_debug_directory(const struct process* pcs, struct module* module,
3348 const BYTE* mapping,
3349 const IMAGE_SECTION_HEADER* sectp, DWORD nsect,
3350 const IMAGE_DEBUG_DIRECTORY* dbg, int nDbg)
3351 {
3352 BOOL ret;
3353 int i;
3354 struct msc_debug_info msc_dbg;
3355
3356 msc_dbg.module = module;
3357 msc_dbg.nsect = nsect;
3358 msc_dbg.sectp = sectp;
3359 msc_dbg.nomap = 0;
3360 msc_dbg.omapp = NULL;
3361
3362 __TRY
3363 {
3364 ret = FALSE;
3365
3366 /* First, watch out for OMAP data */
3367 for (i = 0; i < nDbg; i++)
3368 {
3369 if (dbg[i].Type == IMAGE_DEBUG_TYPE_OMAP_FROM_SRC)
3370 {
3371 msc_dbg.nomap = dbg[i].SizeOfData / sizeof(OMAP_DATA);
3372 msc_dbg.omapp = (const OMAP_DATA*)(mapping + dbg[i].PointerToRawData);
3373 break;
3374 }
3375 }
3376
3377 /* Now, try to parse CodeView debug info */
3378 for (i = 0; i < nDbg; i++)
3379 {
3380 if (dbg[i].Type == IMAGE_DEBUG_TYPE_CODEVIEW)
3381 {
3382 msc_dbg.root = mapping + dbg[i].PointerToRawData;
3383 if ((ret = codeview_process_info(pcs, &msc_dbg))) goto done;
3384 }
3385 }
3386
3387 /* If not found, try to parse COFF debug info */
3388 for (i = 0; i < nDbg; i++)
3389 {
3390 if (dbg[i].Type == IMAGE_DEBUG_TYPE_COFF)
3391 {
3392 msc_dbg.root = mapping + dbg[i].PointerToRawData;
3393 if ((ret = coff_process_info(&msc_dbg))) goto done;
3394 }
3395 }
3396 done:
3397 /* FIXME: this should be supported... this is the debug information for
3398 * functions compiled without a frame pointer (FPO = frame pointer omission)
3399 * the associated data helps finding out the relevant information
3400 */
3401 for (i = 0; i < nDbg; i++)
3402 if (dbg[i].Type == IMAGE_DEBUG_TYPE_FPO)
3403 FIXME("This guy has FPO information\n");
3404 #if 0
3405
3406 #define FRAME_FPO 0
3407 #define FRAME_TRAP 1
3408 #define FRAME_TSS 2
3409
3410 typedef struct _FPO_DATA
3411 {
3412 DWORD ulOffStart; /* offset 1st byte of function code */
3413 DWORD cbProcSize; /* # bytes in function */
3414 DWORD cdwLocals; /* # bytes in locals/4 */
3415 WORD cdwParams; /* # bytes in params/4 */
3416
3417 WORD cbProlog : 8; /* # bytes in prolog */
3418 WORD cbRegs : 3; /* # regs saved */
3419 WORD fHasSEH : 1; /* TRUE if SEH in func */
3420 WORD fUseBP : 1; /* TRUE if EBP has been allocated */
3421 WORD reserved : 1; /* reserved for future use */
3422 WORD cbFrame : 2; /* frame type */
3423 } FPO_DATA;
3424 #endif
3425
3426 }
3427 __EXCEPT_PAGE_FAULT
3428 {
3429 ERR("Got a page fault while loading symbols\n");
3430 ret = FALSE;
3431 }
3432 __ENDTRY
3433 return ret;
3434 }
Maarten's multimedia branch