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[reactos.git] / dll / win32 / dbghelp / msc.c
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 default:
939 FIXME("Unsupported type %04x in STRUCT field list\n", type->generic.id);
940 return FALSE;
941 }
942 }
943
944 return TRUE;
945 }
946
947 static struct symt* codeview_add_type_enum(struct codeview_type_parse* ctp,
948 struct symt* existing,
949 const char* name,
950 unsigned fieldlistno,
951 unsigned basetype)
952 {
953 struct symt_enum* symt;
954
955 if (existing)
956 {
957 if (!(symt = codeview_cast_symt(existing, SymTagEnum))) return NULL;
958 /* should also check that all fields are the same */
959 }
960 else
961 {
962 symt = symt_new_enum(ctp->module, name,
963 codeview_fetch_type(ctp, basetype, FALSE));
964 if (fieldlistno)
965 {
966 const union codeview_reftype* fieldlist;
967 fieldlist = codeview_jump_to_type(ctp, fieldlistno);
968 codeview_add_type_enum_field_list(ctp->module, symt, fieldlist);
969 }
970 }
971 return &symt->symt;
972 }
973
974 static struct symt* codeview_add_type_struct(struct codeview_type_parse* ctp,
975 struct symt* existing,
976 const char* name, int structlen,
977 enum UdtKind kind, unsigned property)
978 {
979 struct symt_udt* symt;
980
981 /* if we don't have an existing type, try to find one with same name
982 * FIXME: what to do when several types in different CUs have same name ?
983 */
984 if (!existing)
985 {
986 void* ptr;
987 struct symt_ht* type;
988 struct hash_table_iter hti;
989
990 hash_table_iter_init(&ctp->module->ht_types, &hti, name);
991 while ((ptr = hash_table_iter_up(&hti)))
992 {
993 type = GET_ENTRY(ptr, struct symt_ht, hash_elt);
994
995 if (type->symt.tag == SymTagUDT &&
996 type->hash_elt.name && !strcmp(type->hash_elt.name, name))
997 {
998 existing = &type->symt;
999 break;
1000 }
1001 }
1002 }
1003 if (existing)
1004 {
1005 if (!(symt = codeview_cast_symt(existing, SymTagUDT))) return NULL;
1006 /* should also check that all fields are the same */
1007 if (!(property & 0x80)) /* 0x80 = forward declaration */
1008 {
1009 if (!symt->size) /* likely prior forward declaration, set UDT size */
1010 symt_set_udt_size(ctp->module, symt, structlen);
1011 else /* different UDT with same name, create a new type */
1012 existing = NULL;
1013 }
1014 }
1015 if (!existing) symt = symt_new_udt(ctp->module, name, structlen, kind);
1016
1017 return &symt->symt;
1018 }
1019
1020 static struct symt* codeview_new_func_signature(struct codeview_type_parse* ctp,
1021 struct symt* existing,
1022 enum CV_call_e call_conv)
1023 {
1024 struct symt_function_signature* sym;
1025
1026 if (existing)
1027 {
1028 sym = codeview_cast_symt(existing, SymTagFunctionType);
1029 if (!sym) return NULL;
1030 }
1031 else
1032 {
1033 sym = symt_new_function_signature(ctp->module, NULL, call_conv);
1034 }
1035 return &sym->symt;
1036 }
1037
1038 static void codeview_add_func_signature_args(struct codeview_type_parse* ctp,
1039 struct symt_function_signature* sym,
1040 unsigned ret_type,
1041 unsigned args_list)
1042 {
1043 const union codeview_reftype* reftype;
1044
1045 sym->rettype = codeview_fetch_type(ctp, ret_type, FALSE);
1046 if (args_list && (reftype = codeview_jump_to_type(ctp, args_list)))
1047 {
1048 unsigned int i;
1049 switch (reftype->generic.id)
1050 {
1051 case LF_ARGLIST_V1:
1052 for (i = 0; i < reftype->arglist_v1.num; i++)
1053 symt_add_function_signature_parameter(ctp->module, sym,
1054 codeview_fetch_type(ctp, reftype->arglist_v1.args[i], FALSE));
1055 break;
1056 case LF_ARGLIST_V2:
1057 for (i = 0; i < reftype->arglist_v2.num; i++)
1058 symt_add_function_signature_parameter(ctp->module, sym,
1059 codeview_fetch_type(ctp, reftype->arglist_v2.args[i], FALSE));
1060 break;
1061 default:
1062 FIXME("Unexpected leaf %x for signature's pmt\n", reftype->generic.id);
1063 }
1064 }
1065 }
1066
1067 static struct symt* codeview_parse_one_type(struct codeview_type_parse* ctp,
1068 unsigned curr_type,
1069 const union codeview_type* type, BOOL details)
1070 {
1071 struct symt* symt;
1072 int value, leaf_len;
1073 const struct p_string* p_name;
1074 const char* c_name;
1075 struct symt* existing;
1076
1077 existing = codeview_get_type(curr_type, TRUE);
1078
1079 switch (type->generic.id)
1080 {
1081 case LF_MODIFIER_V1:
1082 /* FIXME: we don't handle modifiers,
1083 * but read previous type on the curr_type
1084 */
1085 WARN("Modifier on %x: %s%s%s%s\n",
1086 type->modifier_v1.type,
1087 type->modifier_v1.attribute & 0x01 ? "const " : "",
1088 type->modifier_v1.attribute & 0x02 ? "volatile " : "",
1089 type->modifier_v1.attribute & 0x04 ? "unaligned " : "",
1090 type->modifier_v1.attribute & ~0x07 ? "unknown " : "");
1091 symt = codeview_fetch_type(ctp, type->modifier_v1.type, details);
1092 break;
1093 case LF_MODIFIER_V2:
1094 /* FIXME: we don't handle modifiers, but readd previous type on the curr_type */
1095 WARN("Modifier on %x: %s%s%s%s\n",
1096 type->modifier_v2.type,
1097 type->modifier_v2.attribute & 0x01 ? "const " : "",
1098 type->modifier_v2.attribute & 0x02 ? "volatile " : "",
1099 type->modifier_v2.attribute & 0x04 ? "unaligned " : "",
1100 type->modifier_v2.attribute & ~0x07 ? "unknown " : "");
1101 symt = codeview_fetch_type(ctp, type->modifier_v2.type, details);
1102 break;
1103
1104 case LF_POINTER_V1:
1105 symt = codeview_add_type_pointer(ctp, existing, type->pointer_v1.datatype);
1106 break;
1107 case LF_POINTER_V2:
1108 symt = codeview_add_type_pointer(ctp, existing, type->pointer_v2.datatype);
1109 break;
1110
1111 case LF_ARRAY_V1:
1112 if (existing) symt = codeview_cast_symt(existing, SymTagArrayType);
1113 else
1114 {
1115 leaf_len = numeric_leaf(&value, &type->array_v1.arrlen);
1116 p_name = (const struct p_string*)((const unsigned char*)&type->array_v1.arrlen + leaf_len);
1117 symt = codeview_add_type_array(ctp, terminate_string(p_name),
1118 type->array_v1.elemtype,
1119 type->array_v1.idxtype, value);
1120 }
1121 break;
1122 case LF_ARRAY_V2:
1123 if (existing) symt = codeview_cast_symt(existing, SymTagArrayType);
1124 else
1125 {
1126 leaf_len = numeric_leaf(&value, &type->array_v2.arrlen);
1127 p_name = (const struct p_string*)((const unsigned char*)&type->array_v2.arrlen + leaf_len);
1128
1129 symt = codeview_add_type_array(ctp, terminate_string(p_name),
1130 type->array_v2.elemtype,
1131 type->array_v2.idxtype, value);
1132 }
1133 break;
1134 case LF_ARRAY_V3:
1135 if (existing) symt = codeview_cast_symt(existing, SymTagArrayType);
1136 else
1137 {
1138 leaf_len = numeric_leaf(&value, &type->array_v3.arrlen);
1139 c_name = (const char*)&type->array_v3.arrlen + leaf_len;
1140
1141 symt = codeview_add_type_array(ctp, c_name,
1142 type->array_v3.elemtype,
1143 type->array_v3.idxtype, value);
1144 }
1145 break;
1146
1147 case LF_STRUCTURE_V1:
1148 case LF_CLASS_V1:
1149 leaf_len = numeric_leaf(&value, &type->struct_v1.structlen);
1150 p_name = (const struct p_string*)((const unsigned char*)&type->struct_v1.structlen + leaf_len);
1151 symt = codeview_add_type_struct(ctp, existing, terminate_string(p_name), value,
1152 type->generic.id == LF_CLASS_V1 ? UdtClass : UdtStruct,
1153 type->struct_v1.property);
1154 if (details)
1155 {
1156 codeview_add_type(curr_type, symt);
1157 if (!(type->struct_v1.property & 0x80)) /* 0x80 = forward declaration */
1158 codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
1159 type->struct_v1.fieldlist);
1160 }
1161 break;
1162
1163 case LF_STRUCTURE_V2:
1164 case LF_CLASS_V2:
1165 leaf_len = numeric_leaf(&value, &type->struct_v2.structlen);
1166 p_name = (const struct p_string*)((const unsigned char*)&type->struct_v2.structlen + leaf_len);
1167 symt = codeview_add_type_struct(ctp, existing, terminate_string(p_name), value,
1168 type->generic.id == LF_CLASS_V2 ? UdtClass : UdtStruct,
1169 type->struct_v2.property);
1170 if (details)
1171 {
1172 codeview_add_type(curr_type, symt);
1173 if (!(type->struct_v2.property & 0x80)) /* 0x80 = forward declaration */
1174 codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
1175 type->struct_v2.fieldlist);
1176 }
1177 break;
1178
1179 case LF_STRUCTURE_V3:
1180 case LF_CLASS_V3:
1181 leaf_len = numeric_leaf(&value, &type->struct_v3.structlen);
1182 c_name = (const char*)&type->struct_v3.structlen + leaf_len;
1183 symt = codeview_add_type_struct(ctp, existing, c_name, value,
1184 type->generic.id == LF_CLASS_V3 ? UdtClass : UdtStruct,
1185 type->struct_v3.property);
1186 if (details)
1187 {
1188 codeview_add_type(curr_type, symt);
1189 if (!(type->struct_v3.property & 0x80)) /* 0x80 = forward declaration */
1190 codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
1191 type->struct_v3.fieldlist);
1192 }
1193 break;
1194
1195 case LF_UNION_V1:
1196 leaf_len = numeric_leaf(&value, &type->union_v1.un_len);
1197 p_name = (const struct p_string*)((const unsigned char*)&type->union_v1.un_len + leaf_len);
1198 symt = codeview_add_type_struct(ctp, existing, terminate_string(p_name),
1199 value, UdtUnion, type->union_v1.property);
1200 if (details)
1201 {
1202 codeview_add_type(curr_type, symt);
1203 codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
1204 type->union_v1.fieldlist);
1205 }
1206 break;
1207
1208 case LF_UNION_V2:
1209 leaf_len = numeric_leaf(&value, &type->union_v2.un_len);
1210 p_name = (const struct p_string*)((const unsigned char*)&type->union_v2.un_len + leaf_len);
1211 symt = codeview_add_type_struct(ctp, existing, terminate_string(p_name),
1212 value, UdtUnion, type->union_v2.property);
1213 if (details)
1214 {
1215 codeview_add_type(curr_type, symt);
1216 codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
1217 type->union_v2.fieldlist);
1218 }
1219 break;
1220
1221 case LF_UNION_V3:
1222 leaf_len = numeric_leaf(&value, &type->union_v3.un_len);
1223 c_name = (const char*)&type->union_v3.un_len + leaf_len;
1224 symt = codeview_add_type_struct(ctp, existing, c_name,
1225 value, UdtUnion, type->union_v3.property);
1226 if (details)
1227 {
1228 codeview_add_type(curr_type, symt);
1229 codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
1230 type->union_v3.fieldlist);
1231 }
1232 break;
1233
1234 case LF_ENUM_V1:
1235 symt = codeview_add_type_enum(ctp, existing,
1236 terminate_string(&type->enumeration_v1.p_name),
1237 type->enumeration_v1.fieldlist,
1238 type->enumeration_v1.type);
1239 break;
1240
1241 case LF_ENUM_V2:
1242 symt = codeview_add_type_enum(ctp, existing,
1243 terminate_string(&type->enumeration_v2.p_name),
1244 type->enumeration_v2.fieldlist,
1245 type->enumeration_v2.type);
1246 break;
1247
1248 case LF_ENUM_V3:
1249 symt = codeview_add_type_enum(ctp, existing, type->enumeration_v3.name,
1250 type->enumeration_v3.fieldlist,
1251 type->enumeration_v3.type);
1252 break;
1253
1254 case LF_PROCEDURE_V1:
1255 symt = codeview_new_func_signature(ctp, existing, type->procedure_v1.call);
1256 if (details)
1257 {
1258 codeview_add_type(curr_type, symt);
1259 codeview_add_func_signature_args(ctp,
1260 (struct symt_function_signature*)symt,
1261 type->procedure_v1.rvtype,
1262 type->procedure_v1.arglist);
1263 }
1264 break;
1265 case LF_PROCEDURE_V2:
1266 symt = codeview_new_func_signature(ctp, existing,type->procedure_v2.call);
1267 if (details)
1268 {
1269 codeview_add_type(curr_type, symt);
1270 codeview_add_func_signature_args(ctp,
1271 (struct symt_function_signature*)symt,
1272 type->procedure_v2.rvtype,
1273 type->procedure_v2.arglist);
1274 }
1275 break;
1276
1277 case LF_MFUNCTION_V1:
1278 /* FIXME: for C++, this is plain wrong, but as we don't use arg types
1279 * nor class information, this would just do for now
1280 */
1281 symt = codeview_new_func_signature(ctp, existing, type->mfunction_v1.call);
1282 if (details)
1283 {
1284 codeview_add_type(curr_type, symt);
1285 codeview_add_func_signature_args(ctp,
1286 (struct symt_function_signature*)symt,
1287 type->mfunction_v1.rvtype,
1288 type->mfunction_v1.arglist);
1289 }
1290 break;
1291 case LF_MFUNCTION_V2:
1292 /* FIXME: for C++, this is plain wrong, but as we don't use arg types
1293 * nor class information, this would just do for now
1294 */
1295 symt = codeview_new_func_signature(ctp, existing, type->mfunction_v2.call);
1296 if (details)
1297 {
1298 codeview_add_type(curr_type, symt);
1299 codeview_add_func_signature_args(ctp,
1300 (struct symt_function_signature*)symt,
1301 type->mfunction_v2.rvtype,
1302 type->mfunction_v2.arglist);
1303 }
1304 break;
1305
1306 case LF_VTSHAPE_V1:
1307 /* this is an ugly hack... FIXME when we have C++ support */
1308 if (!(symt = existing))
1309 {
1310 char buf[128];
1311 snprintf(buf, sizeof(buf), "__internal_vt_shape_%x\n", curr_type);
1312 symt = &symt_new_udt(ctp->module, buf, 0, UdtStruct)->symt;
1313 }
1314 break;
1315 default:
1316 FIXME("Unsupported type-id leaf %x\n", type->generic.id);
1317 dump(type, 2 + type->generic.len);
1318 return FALSE;
1319 }
1320 return codeview_add_type(curr_type, symt) ? symt : NULL;
1321 }
1322
1323 static int codeview_parse_type_table(struct codeview_type_parse* ctp)
1324 {
1325 unsigned int curr_type = FIRST_DEFINABLE_TYPE;
1326 const union codeview_type* type;
1327
1328 for (curr_type = FIRST_DEFINABLE_TYPE; curr_type < FIRST_DEFINABLE_TYPE + ctp->num; curr_type++)
1329 {
1330 type = codeview_jump_to_type(ctp, curr_type);
1331
1332 /* type records we're interested in are the ones referenced by symbols
1333 * The known ranges are (X mark the ones we want):
1334 * X 0000-0016 for V1 types
1335 * 0200-020c for V1 types referenced by other types
1336 * 0400-040f for V1 types (complex lists & sets)
1337 * X 1000-100f for V2 types
1338 * 1200-120c for V2 types referenced by other types
1339 * 1400-140f for V1 types (complex lists & sets)
1340 * X 1500-150d for V3 types
1341 * 8000-8010 for numeric leafes
1342 */
1343 if (!(type->generic.id & 0x8600) || (type->generic.id & 0x0100))
1344 codeview_parse_one_type(ctp, curr_type, type, TRUE);
1345 }
1346
1347 return TRUE;
1348 }
1349
1350 /*========================================================================
1351 * Process CodeView line number information.
1352 */
1353 static unsigned long codeview_get_address(const struct msc_debug_info* msc_dbg,
1354 unsigned seg, unsigned offset);
1355
1356 static void codeview_snarf_linetab(const struct msc_debug_info* msc_dbg, const BYTE* linetab,
1357 int size, BOOL pascal_str)
1358 {
1359 const BYTE* ptr = linetab;
1360 int nfile, nseg;
1361 int i, j, k;
1362 const unsigned int* filetab;
1363 const unsigned int* lt_ptr;
1364 const unsigned short* linenos;
1365 const struct startend* start;
1366 unsigned source;
1367 unsigned long addr, func_addr0;
1368 struct symt_function* func;
1369 const struct codeview_linetab_block* ltb;
1370
1371 nfile = *(const short*)linetab;
1372 filetab = (const unsigned int*)(linetab + 2 * sizeof(short));
1373
1374 for (i = 0; i < nfile; i++)
1375 {
1376 ptr = linetab + filetab[i];
1377 nseg = *(const short*)ptr;
1378 lt_ptr = (const unsigned int*)(ptr + 2 * sizeof(short));
1379 start = (const struct startend*)(lt_ptr + nseg);
1380
1381 /*
1382 * Now snarf the filename for all of the segments for this file.
1383 */
1384 if (pascal_str)
1385 source = source_new(msc_dbg->module, NULL, terminate_string((const struct p_string*)(start + nseg)));
1386 else
1387 source = source_new(msc_dbg->module, NULL, (const char*)(start + nseg));
1388
1389 for (j = 0; j < nseg; j++)
1390 {
1391 ltb = (const struct codeview_linetab_block*)(linetab + *lt_ptr++);
1392 linenos = (const unsigned short*)&ltb->offsets[ltb->num_lines];
1393 func_addr0 = codeview_get_address(msc_dbg, ltb->seg, start[j].start);
1394 if (!func_addr0) continue;
1395 for (func = NULL, k = 0; k < ltb->num_lines; k++)
1396 {
1397 /* now locate function (if any) */
1398 addr = func_addr0 + ltb->offsets[k] - start[j].start;
1399 /* unfortunately, we can have several functions in the same block, if there's no
1400 * gap between them... find the new function if needed
1401 */
1402 if (!func || addr >= func->address + func->size)
1403 {
1404 func = (struct symt_function*)symt_find_nearest(msc_dbg->module, addr);
1405 /* FIXME: at least labels support line numbers */
1406 if (!func || func->symt.tag != SymTagFunction)
1407 {
1408 WARN("--not a func at %04x:%08x %lx tag=%d\n",
1409 ltb->seg, ltb->offsets[k], addr, func ? func->symt.tag : -1);
1410 func = NULL;
1411 break;
1412 }
1413 }
1414 symt_add_func_line(msc_dbg->module, func, source,
1415 linenos[k], addr - func->address);
1416 }
1417 }
1418 }
1419 }
1420
1421 static void codeview_snarf_linetab2(const struct msc_debug_info* msc_dbg, const BYTE* linetab, DWORD size,
1422 const char* strimage, DWORD strsize)
1423 {
1424 unsigned i;
1425 DWORD_PTR addr;
1426 const struct codeview_linetab2* lt2;
1427 const struct codeview_linetab2* lt2_files = NULL;
1428 const struct codeview_lt2blk_lines* lines_blk;
1429 const struct codeview_linetab2_file*fd;
1430 unsigned source;
1431 struct symt_function* func;
1432
1433 /* locate LT2_FILES_BLOCK (if any) */
1434 lt2 = (const struct codeview_linetab2*)linetab;
1435 while ((const BYTE*)(lt2 + 1) < linetab + size)
1436 {
1437 if (lt2->header == LT2_FILES_BLOCK)
1438 {
1439 lt2_files = lt2;
1440 break;
1441 }
1442 lt2 = codeview_linetab2_next_block(lt2);
1443 }
1444 if (!lt2_files)
1445 {
1446 TRACE("No LT2_FILES_BLOCK found\n");
1447 return;
1448 }
1449
1450 lt2 = (const struct codeview_linetab2*)linetab;
1451 while ((const BYTE*)(lt2 + 1) < linetab + size)
1452 {
1453 /* FIXME: should also check that whole lines_blk fits in linetab + size */
1454 switch (lt2->header)
1455 {
1456 case LT2_LINES_BLOCK:
1457 /* Skip blocks that are too small - Intel C Compiler generates these. */
1458 if (lt2->size_of_block < sizeof (struct codeview_lt2blk_lines)) break;
1459 lines_blk = (const struct codeview_lt2blk_lines*)lt2;
1460 /* FIXME: should check that file_offset is within the LT2_FILES_BLOCK we've seen */
1461 addr = codeview_get_address(msc_dbg, lines_blk->seg, lines_blk->start);
1462 TRACE("block from %04x:%08x #%x (%x lines)\n",
1463 lines_blk->seg, lines_blk->start, lines_blk->size, lines_blk->nlines);
1464 fd = (const struct codeview_linetab2_file*)((const char*)lt2_files + 8 + lines_blk->file_offset);
1465 /* FIXME: should check that string is within strimage + strsize */
1466 source = source_new(msc_dbg->module, NULL, strimage + fd->offset);
1467 func = (struct symt_function*)symt_find_nearest(msc_dbg->module, addr);
1468 /* FIXME: at least labels support line numbers */
1469 if (!func || func->symt.tag != SymTagFunction)
1470 {
1471 WARN("--not a func at %04x:%08x %lx tag=%d\n",
1472 lines_blk->seg, lines_blk->start, addr, func ? func->symt.tag : -1);
1473 break;
1474 }
1475 for (i = 0; i < lines_blk->nlines; i++)
1476 {
1477 symt_add_func_line(msc_dbg->module, func, source,
1478 lines_blk->l[i].lineno ^ 0x80000000,
1479 lines_blk->l[i].offset);
1480 }
1481 break;
1482 case LT2_FILES_BLOCK: /* skip */
1483 break;
1484 default:
1485 TRACE("Block end %x\n", lt2->header);
1486 lt2 = (const struct codeview_linetab2*)((const char*)linetab + size);
1487 continue;
1488 }
1489 lt2 = codeview_linetab2_next_block(lt2);
1490 }
1491 }
1492
1493 /*========================================================================
1494 * Process CodeView symbol information.
1495 */
1496
1497 static unsigned int codeview_map_offset(const struct msc_debug_info* msc_dbg,
1498 unsigned int offset)
1499 {
1500 int nomap = msc_dbg->nomap;
1501 const OMAP_DATA* omapp = msc_dbg->omapp;
1502 int i;
1503
1504 if (!nomap || !omapp) return offset;
1505
1506 /* FIXME: use binary search */
1507 for (i = 0; i < nomap - 1; i++)
1508 if (omapp[i].from <= offset && omapp[i+1].from > offset)
1509 return !omapp[i].to ? 0 : omapp[i].to + (offset - omapp[i].from);
1510
1511 return 0;
1512 }
1513
1514 static unsigned long codeview_get_address(const struct msc_debug_info* msc_dbg,
1515 unsigned seg, unsigned offset)
1516 {
1517 int nsect = msc_dbg->nsect;
1518 const IMAGE_SECTION_HEADER* sectp = msc_dbg->sectp;
1519
1520 if (!seg || seg > nsect) return 0;
1521 return msc_dbg->module->module.BaseOfImage +
1522 codeview_map_offset(msc_dbg, sectp[seg-1].VirtualAddress + offset);
1523 }
1524
1525 static inline void codeview_add_variable(const struct msc_debug_info* msc_dbg,
1526 struct symt_compiland* compiland,
1527 const char* name,
1528 unsigned segment, unsigned offset,
1529 unsigned symtype, BOOL is_local, BOOL in_tls, BOOL force)
1530 {
1531 if (name && *name)
1532 {
1533 struct location loc;
1534
1535 loc.kind = in_tls ? loc_tlsrel : loc_absolute;
1536 loc.reg = 0;
1537 loc.offset = in_tls ? offset : codeview_get_address(msc_dbg, segment, offset);
1538 if (force || in_tls || !symt_find_nearest(msc_dbg->module, loc.offset))
1539 {
1540 symt_new_global_variable(msc_dbg->module, compiland,
1541 name, is_local, loc, 0,
1542 codeview_get_type(symtype, FALSE));
1543 }
1544 }
1545 }
1546
1547 static int codeview_snarf(const struct msc_debug_info* msc_dbg, const BYTE* root,
1548 int offset, int size, BOOL do_globals)
1549 {
1550 struct symt_function* curr_func = NULL;
1551 int i, length;
1552 struct symt_block* block = NULL;
1553 struct symt* symt;
1554 const char* name;
1555 struct symt_compiland* compiland = NULL;
1556 struct location loc;
1557
1558 /*
1559 * Loop over the different types of records and whenever we
1560 * find something we are interested in, record it and move on.
1561 */
1562 for (i = offset; i < size; i += length)
1563 {
1564 const union codeview_symbol* sym = (const union codeview_symbol*)(root + i);
1565 length = sym->generic.len + 2;
1566 if (i + length > size) break;
1567 if (!sym->generic.id || length < 4) break;
1568 if (length & 3) FIXME("unpadded len %u\n", length);
1569
1570 switch (sym->generic.id)
1571 {
1572 /*
1573 * Global and local data symbols. We don't associate these
1574 * with any given source file.
1575 */
1576 case S_GDATA_V1:
1577 case S_LDATA_V1:
1578 if (do_globals)
1579 codeview_add_variable(msc_dbg, compiland, terminate_string(&sym->data_v1.p_name),
1580 sym->data_v1.segment, sym->data_v1.offset, sym->data_v1.symtype,
1581 sym->generic.id == S_LDATA_V1, FALSE, TRUE);
1582 break;
1583 case S_GDATA_V2:
1584 case S_LDATA_V2:
1585 if (do_globals)
1586 codeview_add_variable(msc_dbg, compiland, terminate_string(&sym->data_v2.p_name),
1587 sym->data_v2.segment, sym->data_v2.offset, sym->data_v2.symtype,
1588 sym->generic.id == S_LDATA_V2, FALSE, TRUE);
1589 break;
1590 case S_GDATA_V3:
1591 case S_LDATA_V3:
1592 if (do_globals)
1593 codeview_add_variable(msc_dbg, compiland, sym->data_v3.name,
1594 sym->data_v3.segment, sym->data_v3.offset, sym->data_v3.symtype,
1595 sym->generic.id == S_LDATA_V3, FALSE, TRUE);
1596 break;
1597
1598 /* variables with thread storage */
1599 case S_GTHREAD_V1:
1600 case S_LTHREAD_V1:
1601 if (do_globals)
1602 codeview_add_variable(msc_dbg, compiland, terminate_string(&sym->thread_v1.p_name),
1603 sym->thread_v1.segment, sym->thread_v1.offset, sym->thread_v1.symtype,
1604 sym->generic.id == S_LTHREAD_V1, TRUE, TRUE);
1605 break;
1606 case S_GTHREAD_V2:
1607 case S_LTHREAD_V2:
1608 if (do_globals)
1609 codeview_add_variable(msc_dbg, compiland, terminate_string(&sym->thread_v2.p_name),
1610 sym->thread_v2.segment, sym->thread_v2.offset, sym->thread_v2.symtype,
1611 sym->generic.id == S_LTHREAD_V2, TRUE, TRUE);
1612 break;
1613 case S_GTHREAD_V3:
1614 case S_LTHREAD_V3:
1615 if (do_globals)
1616 codeview_add_variable(msc_dbg, compiland, sym->thread_v3.name,
1617 sym->thread_v3.segment, sym->thread_v3.offset, sym->thread_v3.symtype,
1618 sym->generic.id == S_LTHREAD_V3, TRUE, TRUE);
1619 break;
1620
1621 /* Public symbols */
1622 case S_PUB_V1:
1623 case S_PUB_V2:
1624 case S_PUB_V3:
1625 case S_PUB_FUNC1_V3:
1626 case S_PUB_FUNC2_V3:
1627 /* will be handled later on in codeview_snarf_public */
1628 break;
1629
1630 /*
1631 * Sort of like a global function, but it just points
1632 * to a thunk, which is a stupid name for what amounts to
1633 * a PLT slot in the normal jargon that everyone else uses.
1634 */
1635 case S_THUNK_V1:
1636 symt_new_thunk(msc_dbg->module, compiland,
1637 terminate_string(&sym->thunk_v1.p_name), sym->thunk_v1.thtype,
1638 codeview_get_address(msc_dbg, sym->thunk_v1.segment, sym->thunk_v1.offset),
1639 sym->thunk_v1.thunk_len);
1640 break;
1641 case S_THUNK_V3:
1642 symt_new_thunk(msc_dbg->module, compiland,
1643 sym->thunk_v3.name, sym->thunk_v3.thtype,
1644 codeview_get_address(msc_dbg, sym->thunk_v3.segment, sym->thunk_v3.offset),
1645 sym->thunk_v3.thunk_len);
1646 break;
1647
1648 /*
1649 * Global and static functions.
1650 */
1651 case S_GPROC_V1:
1652 case S_LPROC_V1:
1653 if (curr_func) FIXME("nested function\n");
1654 curr_func = symt_new_function(msc_dbg->module, compiland,
1655 terminate_string(&sym->proc_v1.p_name),
1656 codeview_get_address(msc_dbg, sym->proc_v1.segment, sym->proc_v1.offset),
1657 sym->proc_v1.proc_len,
1658 codeview_get_type(sym->proc_v1.proctype, FALSE));
1659 loc.kind = loc_absolute;
1660 loc.offset = sym->proc_v1.debug_start;
1661 symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugStart, &loc, NULL);
1662 loc.offset = sym->proc_v1.debug_end;
1663 symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugEnd, &loc, NULL);
1664 break;
1665 case S_GPROC_V2:
1666 case S_LPROC_V2:
1667 if (curr_func) FIXME("nested function\n");
1668 curr_func = symt_new_function(msc_dbg->module, compiland,
1669 terminate_string(&sym->proc_v2.p_name),
1670 codeview_get_address(msc_dbg, sym->proc_v2.segment, sym->proc_v2.offset),
1671 sym->proc_v2.proc_len,
1672 codeview_get_type(sym->proc_v2.proctype, FALSE));
1673 loc.kind = loc_absolute;
1674 loc.offset = sym->proc_v2.debug_start;
1675 symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugStart, &loc, NULL);
1676 loc.offset = sym->proc_v2.debug_end;
1677 symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugEnd, &loc, NULL);
1678 break;
1679 case S_GPROC_V3:
1680 case S_LPROC_V3:
1681 if (curr_func) FIXME("nested function\n");
1682 curr_func = symt_new_function(msc_dbg->module, compiland,
1683 sym->proc_v3.name,
1684 codeview_get_address(msc_dbg, sym->proc_v3.segment, sym->proc_v3.offset),
1685 sym->proc_v3.proc_len,
1686 codeview_get_type(sym->proc_v3.proctype, FALSE));
1687 loc.kind = loc_absolute;
1688 loc.offset = sym->proc_v3.debug_start;
1689 symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugStart, &loc, NULL);
1690 loc.offset = sym->proc_v3.debug_end;
1691 symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugEnd, &loc, NULL);
1692 break;
1693 /*
1694 * Function parameters and stack variables.
1695 */
1696 case S_BPREL_V1:
1697 loc.kind = loc_regrel;
1698 /* Yes, it's i386 dependent, but that's the symbol purpose. S_REGREL is used on other CPUs */
1699 loc.reg = CV_REG_EBP;
1700 loc.offset = sym->stack_v1.offset;
1701 symt_add_func_local(msc_dbg->module, curr_func,
1702 sym->stack_v1.offset > 0 ? DataIsParam : DataIsLocal,
1703 &loc, block,
1704 codeview_get_type(sym->stack_v1.symtype, FALSE),
1705 terminate_string(&sym->stack_v1.p_name));
1706 break;
1707 case S_BPREL_V2:
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_v2.offset;
1712 symt_add_func_local(msc_dbg->module, curr_func,
1713 sym->stack_v2.offset > 0 ? DataIsParam : DataIsLocal,
1714 &loc, block,
1715 codeview_get_type(sym->stack_v2.symtype, FALSE),
1716 terminate_string(&sym->stack_v2.p_name));
1717 break;
1718 case S_BPREL_V3:
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_v3.offset;
1723 symt_add_func_local(msc_dbg->module, curr_func,
1724 sym->stack_v3.offset > 0 ? DataIsParam : DataIsLocal,
1725 &loc, block,
1726 codeview_get_type(sym->stack_v3.symtype, FALSE),
1727 sym->stack_v3.name);
1728 break;
1729 case S_REGREL_V3:
1730 loc.kind = loc_regrel;
1731 loc.reg = sym->regrel_v3.reg;
1732 loc.offset = sym->regrel_v3.offset;
1733 symt_add_func_local(msc_dbg->module, curr_func,
1734 /* FIXME this is wrong !!! */
1735 sym->regrel_v3.offset > 0 ? DataIsParam : DataIsLocal,
1736 &loc, block,
1737 codeview_get_type(sym->regrel_v3.symtype, FALSE),
1738 sym->regrel_v3.name);
1739 break;
1740
1741 case S_REGISTER_V1:
1742 loc.kind = loc_register;
1743 loc.reg = sym->register_v1.reg;
1744 loc.offset = 0;
1745 symt_add_func_local(msc_dbg->module, curr_func,
1746 DataIsLocal, &loc,
1747 block, codeview_get_type(sym->register_v1.type, FALSE),
1748 terminate_string(&sym->register_v1.p_name));
1749 break;
1750 case S_REGISTER_V2:
1751 loc.kind = loc_register;
1752 loc.reg = sym->register_v2.reg;
1753 loc.offset = 0;
1754 symt_add_func_local(msc_dbg->module, curr_func,
1755 DataIsLocal, &loc,
1756 block, codeview_get_type(sym->register_v2.type, FALSE),
1757 terminate_string(&sym->register_v2.p_name));
1758 break;
1759 case S_REGISTER_V3:
1760 loc.kind = loc_register;
1761 loc.reg = sym->register_v3.reg;
1762 loc.offset = 0;
1763 symt_add_func_local(msc_dbg->module, curr_func,
1764 DataIsLocal, &loc,
1765 block, codeview_get_type(sym->register_v3.type, FALSE),
1766 sym->register_v3.name);
1767 break;
1768
1769 case S_BLOCK_V1:
1770 block = symt_open_func_block(msc_dbg->module, curr_func, block,
1771 codeview_get_address(msc_dbg, sym->block_v1.segment, sym->block_v1.offset),
1772 sym->block_v1.length);
1773 break;
1774 case S_BLOCK_V3:
1775 block = symt_open_func_block(msc_dbg->module, curr_func, block,
1776 codeview_get_address(msc_dbg, sym->block_v3.segment, sym->block_v3.offset),
1777 sym->block_v3.length);
1778 break;
1779
1780 case S_END_V1:
1781 if (block)
1782 {
1783 block = symt_close_func_block(msc_dbg->module, curr_func, block, 0);
1784 }
1785 else if (curr_func)
1786 {
1787 symt_normalize_function(msc_dbg->module, curr_func);
1788 curr_func = NULL;
1789 }
1790 break;
1791
1792 case S_COMPILAND_V1:
1793 TRACE("S-Compiland-V1 %x %s\n",
1794 sym->compiland_v1.unknown, terminate_string(&sym->compiland_v1.p_name));
1795 break;
1796
1797 case S_COMPILAND_V2:
1798 TRACE("S-Compiland-V2 %s\n", terminate_string(&sym->compiland_v2.p_name));
1799 if (TRACE_ON(dbghelp_msc))
1800 {
1801 const char* ptr1 = sym->compiland_v2.p_name.name + sym->compiland_v2.p_name.namelen;
1802 const char* ptr2;
1803 while (*ptr1)
1804 {
1805 ptr2 = ptr1 + strlen(ptr1) + 1;
1806 TRACE("\t%s => %s\n", ptr1, debugstr_a(ptr2));
1807 ptr1 = ptr2 + strlen(ptr2) + 1;
1808 }
1809 }
1810 break;
1811 case S_COMPILAND_V3:
1812 TRACE("S-Compiland-V3 %s\n", sym->compiland_v3.name);
1813 if (TRACE_ON(dbghelp_msc))
1814 {
1815 const char* ptr1 = sym->compiland_v3.name + strlen(sym->compiland_v3.name);
1816 const char* ptr2;
1817 while (*ptr1)
1818 {
1819 ptr2 = ptr1 + strlen(ptr1) + 1;
1820 TRACE("\t%s => %s\n", ptr1, debugstr_a(ptr2));
1821 ptr1 = ptr2 + strlen(ptr2) + 1;
1822 }
1823 }
1824 break;
1825
1826 case S_OBJNAME_V1:
1827 TRACE("S-ObjName %s\n", terminate_string(&sym->objname_v1.p_name));
1828 compiland = symt_new_compiland(msc_dbg->module, 0 /* FIXME */,
1829 source_new(msc_dbg->module, NULL,
1830 terminate_string(&sym->objname_v1.p_name)));
1831 break;
1832
1833 case S_LABEL_V1:
1834 if (curr_func)
1835 {
1836 loc.kind = loc_absolute;
1837 loc.offset = codeview_get_address(msc_dbg, sym->label_v1.segment, sym->label_v1.offset) - curr_func->address;
1838 symt_add_function_point(msc_dbg->module, curr_func, SymTagLabel, &loc,
1839 terminate_string(&sym->label_v1.p_name));
1840 }
1841 else symt_new_label(msc_dbg->module, compiland,
1842 terminate_string(&sym->label_v1.p_name),
1843 codeview_get_address(msc_dbg, sym->label_v1.segment, sym->label_v1.offset));
1844 break;
1845 case S_LABEL_V3:
1846 if (curr_func)
1847 {
1848 loc.kind = loc_absolute;
1849 loc.offset = codeview_get_address(msc_dbg, sym->label_v3.segment, sym->label_v3.offset) - curr_func->address;
1850 symt_add_function_point(msc_dbg->module, curr_func, SymTagLabel,
1851 &loc, sym->label_v3.name);
1852 }
1853 else symt_new_label(msc_dbg->module, compiland, sym->label_v3.name,
1854 codeview_get_address(msc_dbg, sym->label_v3.segment, sym->label_v3.offset));
1855 break;
1856
1857 case S_CONSTANT_V1:
1858 {
1859 int vlen;
1860 const struct p_string* name;
1861 struct symt* se;
1862 VARIANT v;
1863
1864 vlen = leaf_as_variant(&v, &sym->constant_v1.cvalue);
1865 name = (const struct p_string*)((const char*)&sym->constant_v1.cvalue + vlen);
1866 se = codeview_get_type(sym->constant_v1.type, FALSE);
1867
1868 TRACE("S-Constant-V1 %u %s %x\n",
1869 v.n1.n2.n3.intVal, terminate_string(name), sym->constant_v1.type);
1870 symt_new_constant(msc_dbg->module, compiland, terminate_string(name),
1871 se, &v);
1872 }
1873 break;
1874 case S_CONSTANT_V2:
1875 {
1876 int vlen;
1877 const struct p_string* name;
1878 struct symt* se;
1879 VARIANT v;
1880
1881 vlen = leaf_as_variant(&v, &sym->constant_v2.cvalue);
1882 name = (const struct p_string*)((const char*)&sym->constant_v2.cvalue + vlen);
1883 se = codeview_get_type(sym->constant_v2.type, FALSE);
1884
1885 TRACE("S-Constant-V2 %u %s %x\n",
1886 v.n1.n2.n3.intVal, terminate_string(name), sym->constant_v2.type);
1887 symt_new_constant(msc_dbg->module, compiland, terminate_string(name),
1888 se, &v);
1889 }
1890 break;
1891 case S_CONSTANT_V3:
1892 {
1893 int vlen;
1894 const char* name;
1895 struct symt* se;
1896 VARIANT v;
1897
1898 vlen = leaf_as_variant(&v, &sym->constant_v3.cvalue);
1899 name = (const char*)&sym->constant_v3.cvalue + vlen;
1900 se = codeview_get_type(sym->constant_v3.type, FALSE);
1901
1902 TRACE("S-Constant-V3 %u %s %x\n",
1903 v.n1.n2.n3.intVal, name, sym->constant_v3.type);
1904 /* FIXME: we should add this as a constant value */
1905 symt_new_constant(msc_dbg->module, compiland, name, se, &v);
1906 }
1907 break;
1908
1909 case S_UDT_V1:
1910 if (sym->udt_v1.type)
1911 {
1912 if ((symt = codeview_get_type(sym->udt_v1.type, FALSE)))
1913 symt_new_typedef(msc_dbg->module, symt,
1914 terminate_string(&sym->udt_v1.p_name));
1915 else
1916 FIXME("S-Udt %s: couldn't find type 0x%x\n",
1917 terminate_string(&sym->udt_v1.p_name), sym->udt_v1.type);
1918 }
1919 break;
1920 case S_UDT_V2:
1921 if (sym->udt_v2.type)
1922 {
1923 if ((symt = codeview_get_type(sym->udt_v2.type, FALSE)))
1924 symt_new_typedef(msc_dbg->module, symt,
1925 terminate_string(&sym->udt_v2.p_name));
1926 else
1927 FIXME("S-Udt %s: couldn't find type 0x%x\n",
1928 terminate_string(&sym->udt_v2.p_name), sym->udt_v2.type);
1929 }
1930 break;
1931 case S_UDT_V3:
1932 if (sym->udt_v3.type)
1933 {
1934 if ((symt = codeview_get_type(sym->udt_v3.type, FALSE)))
1935 symt_new_typedef(msc_dbg->module, symt, sym->udt_v3.name);
1936 else
1937 FIXME("S-Udt %s: couldn't find type 0x%x\n",
1938 sym->udt_v3.name, sym->udt_v3.type);
1939 }
1940 break;
1941
1942 /*
1943 * These are special, in that they are always followed by an
1944 * additional length-prefixed string which is *not* included
1945 * into the symbol length count. We need to skip it.
1946 */
1947 case S_PROCREF_V1:
1948 case S_DATAREF_V1:
1949 case S_LPROCREF_V1:
1950 name = (const char*)sym + length;
1951 length += (*name + 1 + 3) & ~3;
1952 break;
1953
1954 case S_MSTOOL_V3: /* just to silence a few warnings */
1955 case S_MSTOOLINFO_V3:
1956 case S_MSTOOLENV_V3:
1957 break;
1958
1959 case S_SSEARCH_V1:
1960 TRACE("Start search: seg=0x%x at offset 0x%08x\n",
1961 sym->ssearch_v1.segment, sym->ssearch_v1.offset);
1962 break;
1963
1964 case S_ALIGN_V1:
1965 TRACE("S-Align V1\n");
1966 break;
1967
1968 /* the symbols we can safely ignore for now */
1969 case 0x112c:
1970 case S_FRAMEINFO_V2:
1971 case S_SECUCOOKIE_V3:
1972 case S_SECTINFO_V3:
1973 case S_SUBSECTINFO_V3:
1974 case S_ENTRYPOINT_V3:
1975 case 0x1139:
1976 TRACE("Unsupported symbol id %x\n", sym->generic.id);
1977 break;
1978
1979 default:
1980 FIXME("Unsupported symbol id %x\n", sym->generic.id);
1981 dump(sym, 2 + sym->generic.len);
1982 break;
1983 }
1984 }
1985
1986 if (curr_func) symt_normalize_function(msc_dbg->module, curr_func);
1987
1988 return TRUE;
1989 }
1990
1991 static int codeview_snarf_public(const struct msc_debug_info* msc_dbg, const BYTE* root,
1992 int offset, int size)
1993
1994 {
1995 int i, length;
1996 struct symt_compiland* compiland = NULL;
1997
1998 /*
1999 * Loop over the different types of records and whenever we
2000 * find something we are interested in, record it and move on.
2001 */
2002 for (i = offset; i < size; i += length)
2003 {
2004 const union codeview_symbol* sym = (const union codeview_symbol*)(root + i);
2005 length = sym->generic.len + 2;
2006 if (i + length > size) break;
2007 if (!sym->generic.id || length < 4) break;
2008 if (length & 3) FIXME("unpadded len %u\n", length);
2009
2010 switch (sym->generic.id)
2011 {
2012 case S_PUB_V1: /* FIXME is this really a 'data_v1' structure ?? */
2013 if (!(dbghelp_options & SYMOPT_NO_PUBLICS))
2014 {
2015 symt_new_public(msc_dbg->module, compiland,
2016 terminate_string(&sym->data_v1.p_name),
2017 codeview_get_address(msc_dbg, sym->data_v1.segment, sym->data_v1.offset), 1);
2018 }
2019 break;
2020 case S_PUB_V2: /* FIXME is this really a 'data_v2' structure ?? */
2021 if (!(dbghelp_options & SYMOPT_NO_PUBLICS))
2022 {
2023 symt_new_public(msc_dbg->module, compiland,
2024 terminate_string(&sym->data_v2.p_name),
2025 codeview_get_address(msc_dbg, sym->data_v2.segment, sym->data_v2.offset), 1);
2026 }
2027 break;
2028
2029 case S_PUB_V3:
2030 if (!(dbghelp_options & SYMOPT_NO_PUBLICS))
2031 {
2032 symt_new_public(msc_dbg->module, compiland,
2033 sym->data_v3.name,
2034 codeview_get_address(msc_dbg, sym->data_v3.segment, sym->data_v3.offset), 1);
2035 }
2036 break;
2037 case S_PUB_FUNC1_V3:
2038 case S_PUB_FUNC2_V3: /* using a data_v3 isn't what we'd expect */
2039 #if 0
2040 /* FIXME: this is plain wrong (from a simple test) */
2041 if (!(dbghelp_options & SYMOPT_NO_PUBLICS))
2042 {
2043 symt_new_public(msc_dbg->module, compiland,
2044 sym->data_v3.name,
2045 codeview_get_address(msc_dbg, sym->data_v3.segment, sym->data_v3.offset), 1);
2046 }
2047 #endif
2048 break;
2049 /*
2050 * Global and local data symbols. We don't associate these
2051 * with any given source file.
2052 */
2053 case S_GDATA_V1:
2054 case S_LDATA_V1:
2055 codeview_add_variable(msc_dbg, compiland, terminate_string(&sym->data_v1.p_name),
2056 sym->data_v1.segment, sym->data_v1.offset, sym->data_v1.symtype,
2057 sym->generic.id == S_LDATA_V1, FALSE, FALSE);
2058 break;
2059 case S_GDATA_V2:
2060 case S_LDATA_V2:
2061 codeview_add_variable(msc_dbg, compiland, terminate_string(&sym->data_v2.p_name),
2062 sym->data_v2.segment, sym->data_v2.offset, sym->data_v2.symtype,
2063 sym->generic.id == S_LDATA_V2, FALSE, FALSE);
2064 break;
2065 case S_GDATA_V3:
2066 case S_LDATA_V3:
2067 codeview_add_variable(msc_dbg, compiland, sym->data_v3.name,
2068 sym->data_v3.segment, sym->data_v3.offset, sym->data_v3.symtype,
2069 sym->generic.id == S_LDATA_V3, FALSE, FALSE);
2070 break;
2071
2072 /* variables with thread storage */
2073 case S_GTHREAD_V1:
2074 case S_LTHREAD_V1:
2075 codeview_add_variable(msc_dbg, compiland, terminate_string(&sym->thread_v1.p_name),
2076 sym->thread_v1.segment, sym->thread_v1.offset, sym->thread_v1.symtype,
2077 sym->generic.id == S_LTHREAD_V1, TRUE, FALSE);
2078 break;
2079 case S_GTHREAD_V2:
2080 case S_LTHREAD_V2:
2081 codeview_add_variable(msc_dbg, compiland, terminate_string(&sym->thread_v2.p_name),
2082 sym->thread_v2.segment, sym->thread_v2.offset, sym->thread_v2.symtype,
2083 sym->generic.id == S_LTHREAD_V2, TRUE, FALSE);
2084 break;
2085 case S_GTHREAD_V3:
2086 case S_LTHREAD_V3:
2087 codeview_add_variable(msc_dbg, compiland, sym->thread_v3.name,
2088 sym->thread_v3.segment, sym->thread_v3.offset, sym->thread_v3.symtype,
2089 sym->generic.id == S_LTHREAD_V3, TRUE, FALSE);
2090 break;
2091
2092 /*
2093 * These are special, in that they are always followed by an
2094 * additional length-prefixed string which is *not* included
2095 * into the symbol length count. We need to skip it.
2096 */
2097 case S_PROCREF_V1:
2098 case S_DATAREF_V1:
2099 case S_LPROCREF_V1:
2100 length += (((const char*)sym)[length] + 1 + 3) & ~3;
2101 break;
2102 }
2103 msc_dbg->module->sortlist_valid = TRUE;
2104 }
2105 msc_dbg->module->sortlist_valid = FALSE;
2106 return TRUE;
2107 }
2108
2109 /*========================================================================
2110 * Process PDB file.
2111 */
2112
2113 static void* pdb_jg_read(const struct PDB_JG_HEADER* pdb, const WORD* block_list,
2114 int size)
2115 {
2116 int i, num_blocks;
2117 BYTE* buffer;
2118
2119 if (!size) return NULL;
2120
2121 num_blocks = (size + pdb->block_size - 1) / pdb->block_size;
2122 buffer = HeapAlloc(GetProcessHeap(), 0, num_blocks * pdb->block_size);
2123
2124 for (i = 0; i < num_blocks; i++)
2125 memcpy(buffer + i * pdb->block_size,
2126 (const char*)pdb + block_list[i] * pdb->block_size, pdb->block_size);
2127
2128 return buffer;
2129 }
2130
2131 static void* pdb_ds_read(const struct PDB_DS_HEADER* pdb, const DWORD* block_list,
2132 int size)
2133 {
2134 int i, num_blocks;
2135 BYTE* buffer;
2136
2137 if (!size) return NULL;
2138
2139 num_blocks = (size + pdb->block_size - 1) / pdb->block_size;
2140 buffer = HeapAlloc(GetProcessHeap(), 0, num_blocks * pdb->block_size);
2141
2142 for (i = 0; i < num_blocks; i++)
2143 memcpy(buffer + i * pdb->block_size,
2144 (const char*)pdb + block_list[i] * pdb->block_size, pdb->block_size);
2145
2146 return buffer;
2147 }
2148
2149 static void* pdb_read_jg_file(const struct PDB_JG_HEADER* pdb,
2150 const struct PDB_JG_TOC* toc, DWORD file_nr)
2151 {
2152 const WORD* block_list;
2153 DWORD i;
2154
2155 if (!toc || file_nr >= toc->num_files) return NULL;
2156
2157 block_list = (const WORD*) &toc->file[toc->num_files];
2158 for (i = 0; i < file_nr; i++)
2159 block_list += (toc->file[i].size + pdb->block_size - 1) / pdb->block_size;
2160
2161 return pdb_jg_read(pdb, block_list, toc->file[file_nr].size);
2162 }
2163
2164 static void* pdb_read_ds_file(const struct PDB_DS_HEADER* pdb,
2165 const struct PDB_DS_TOC* toc, DWORD file_nr)
2166 {
2167 const DWORD* block_list;
2168 DWORD i;
2169
2170 if (!toc || file_nr >= toc->num_files) return NULL;
2171 if (toc->file_size[file_nr] == 0 || toc->file_size[file_nr] == 0xFFFFFFFF) return NULL;
2172
2173 block_list = &toc->file_size[toc->num_files];
2174 for (i = 0; i < file_nr; i++)
2175 block_list += (toc->file_size[i] + pdb->block_size - 1) / pdb->block_size;
2176
2177 return pdb_ds_read(pdb, block_list, toc->file_size[file_nr]);
2178 }
2179
2180 static void* pdb_read_file(const struct pdb_file_info* pdb_file,
2181 DWORD file_nr)
2182 {
2183 switch (pdb_file->kind)
2184 {
2185 case PDB_JG:
2186 return pdb_read_jg_file((const struct PDB_JG_HEADER*)pdb_file->image,
2187 pdb_file->u.jg.toc, file_nr);
2188 case PDB_DS:
2189 return pdb_read_ds_file((const struct PDB_DS_HEADER*)pdb_file->image,
2190 pdb_file->u.ds.toc, file_nr);
2191 }
2192 return NULL;
2193 }
2194
2195 static unsigned pdb_get_file_size(const struct pdb_file_info* pdb_file, DWORD file_nr)
2196 {
2197 switch (pdb_file->kind)
2198 {
2199 case PDB_JG: return pdb_file->u.jg.toc->file[file_nr].size;
2200 case PDB_DS: return pdb_file->u.ds.toc->file_size[file_nr];
2201 }
2202 return 0;
2203 }
2204
2205 static void pdb_free(void* buffer)
2206 {
2207 HeapFree(GetProcessHeap(), 0, buffer);
2208 }
2209
2210 static void pdb_free_file(struct pdb_file_info* pdb_file)
2211 {
2212 switch (pdb_file->kind)
2213 {
2214 case PDB_JG:
2215 pdb_free(pdb_file->u.jg.toc);
2216 pdb_file->u.jg.toc = NULL;
2217 break;
2218 case PDB_DS:
2219 pdb_free(pdb_file->u.ds.toc);
2220 pdb_file->u.ds.toc = NULL;
2221 break;
2222 }
2223 HeapFree(GetProcessHeap(), 0, pdb_file->stream_dict);
2224 }
2225
2226 static BOOL pdb_load_stream_name_table(struct pdb_file_info* pdb_file, const char* str, unsigned cb)
2227 {
2228 DWORD* pdw;
2229 DWORD* ok_bits;
2230 DWORD count, numok;
2231 unsigned i, j;
2232 char* cpstr;
2233
2234 pdw = (DWORD*)(str + cb);
2235 numok = *pdw++;
2236 count = *pdw++;
2237
2238 pdb_file->stream_dict = HeapAlloc(GetProcessHeap(), 0, (numok + 1) * sizeof(struct pdb_stream_name) + cb);
2239 if (!pdb_file->stream_dict) return FALSE;
2240 cpstr = (char*)(pdb_file->stream_dict + numok + 1);
2241 memcpy(cpstr, str, cb);
2242
2243 /* bitfield: first dword is len (in dword), then data */
2244 ok_bits = pdw;
2245 pdw += *ok_bits++ + 1;
2246 if (*pdw++ != 0)
2247 {
2248 FIXME("unexpected value\n");
2249 return -1;
2250 }
2251
2252 for (i = j = 0; i < count; i++)
2253 {
2254 if (ok_bits[i / 32] & (1 << (i % 32)))
2255 {
2256 if (j >= numok) break;
2257 pdb_file->stream_dict[j].name = &cpstr[*pdw++];
2258 pdb_file->stream_dict[j].index = *pdw++;
2259 j++;
2260 }
2261 }
2262 /* add sentinel */
2263 pdb_file->stream_dict[numok].name = NULL;
2264 pdb_file->fpoext_stream = -1;
2265 return j == numok && i == count;
2266 }
2267
2268 static unsigned pdb_get_stream_by_name(const struct pdb_file_info* pdb_file, const char* name)
2269 {
2270 struct pdb_stream_name* psn;
2271
2272 for (psn = pdb_file->stream_dict; psn && psn->name; psn++)
2273 {
2274 if (!strcmp(psn->name, name)) return psn->index;
2275 }
2276 return -1;
2277 }
2278
2279 static void* pdb_read_strings(const struct pdb_file_info* pdb_file)
2280 {
2281 unsigned idx;
2282 void *ret;
2283
2284 idx = pdb_get_stream_by_name(pdb_file, "/names");
2285 if (idx != -1)
2286 {
2287 ret = pdb_read_file( pdb_file, idx );
2288 if (ret && *(const DWORD *)ret == 0xeffeeffe) return ret;
2289 pdb_free( ret );
2290 }
2291 WARN("string table not found\n");
2292 return NULL;
2293 }
2294
2295 static void pdb_module_remove(struct process* pcsn, struct module_format* modfmt)
2296 {
2297 unsigned i;
2298
2299 for (i = 0; i < modfmt->u.pdb_info->used_subfiles; i++)
2300 {
2301 pdb_free_file(&modfmt->u.pdb_info->pdb_files[i]);
2302 if (modfmt->u.pdb_info->pdb_files[i].image)
2303 UnmapViewOfFile(modfmt->u.pdb_info->pdb_files[i].image);
2304 if (modfmt->u.pdb_info->pdb_files[i].hMap)
2305 CloseHandle(modfmt->u.pdb_info->pdb_files[i].hMap);
2306 }
2307 HeapFree(GetProcessHeap(), 0, modfmt);
2308 }
2309
2310 static void pdb_convert_types_header(PDB_TYPES* types, const BYTE* image)
2311 {
2312 memset(types, 0, sizeof(PDB_TYPES));
2313 if (!image) return;
2314
2315 if (*(const DWORD*)image < 19960000) /* FIXME: correct version? */
2316 {
2317 /* Old version of the types record header */
2318 const PDB_TYPES_OLD* old = (const PDB_TYPES_OLD*)image;
2319 types->version = old->version;
2320 types->type_offset = sizeof(PDB_TYPES_OLD);
2321 types->type_size = old->type_size;
2322 types->first_index = old->first_index;
2323 types->last_index = old->last_index;
2324 types->file = old->file;
2325 }
2326 else
2327 {
2328 /* New version of the types record header */
2329 *types = *(const PDB_TYPES*)image;
2330 }
2331 }
2332
2333 static void pdb_convert_symbols_header(PDB_SYMBOLS* symbols,
2334 int* header_size, const BYTE* image)
2335 {
2336 memset(symbols, 0, sizeof(PDB_SYMBOLS));
2337 if (!image) return;
2338
2339 if (*(const DWORD*)image != 0xffffffff)
2340 {
2341 /* Old version of the symbols record header */
2342 const PDB_SYMBOLS_OLD* old = (const PDB_SYMBOLS_OLD*)image;
2343 symbols->version = 0;
2344 symbols->module_size = old->module_size;
2345 symbols->offset_size = old->offset_size;
2346 symbols->hash_size = old->hash_size;
2347 symbols->srcmodule_size = old->srcmodule_size;
2348 symbols->pdbimport_size = 0;
2349 symbols->hash1_file = old->hash1_file;
2350 symbols->hash2_file = old->hash2_file;
2351 symbols->gsym_file = old->gsym_file;
2352
2353 *header_size = sizeof(PDB_SYMBOLS_OLD);
2354 }
2355 else
2356 {
2357 /* New version of the symbols record header */
2358 *symbols = *(const PDB_SYMBOLS*)image;
2359 *header_size = sizeof(PDB_SYMBOLS);
2360 }
2361 }
2362
2363 static void pdb_convert_symbol_file(const PDB_SYMBOLS* symbols,
2364 PDB_SYMBOL_FILE_EX* sfile,
2365 unsigned* size, const void* image)
2366
2367 {
2368 if (symbols->version < 19970000)
2369 {
2370 const PDB_SYMBOL_FILE *sym_file = image;
2371 memset(sfile, 0, sizeof(*sfile));
2372 sfile->file = sym_file->file;
2373 sfile->range.index = sym_file->range.index;
2374 sfile->symbol_size = sym_file->symbol_size;
2375 sfile->lineno_size = sym_file->lineno_size;
2376 *size = sizeof(PDB_SYMBOL_FILE) - 1;
2377 }
2378 else
2379 {
2380 memcpy(sfile, image, sizeof(PDB_SYMBOL_FILE_EX));
2381 *size = sizeof(PDB_SYMBOL_FILE_EX) - 1;
2382 }
2383 }
2384
2385 static HANDLE map_pdb_file(const struct process* pcs,
2386 const struct pdb_lookup* lookup,
2387 struct module* module)
2388 {
2389 HANDLE hFile, hMap = NULL;
2390 char dbg_file_path[MAX_PATH];
2391 BOOL ret = FALSE;
2392
2393 switch (lookup->kind)
2394 {
2395 case PDB_JG:
2396 ret = path_find_symbol_file(pcs, lookup->filename, NULL, lookup->timestamp,
2397 lookup->age, dbg_file_path, &module->module.PdbUnmatched);
2398 break;
2399 case PDB_DS:
2400 ret = path_find_symbol_file(pcs, lookup->filename, &lookup->guid, 0,
2401 lookup->age, dbg_file_path, &module->module.PdbUnmatched);
2402 break;
2403 }
2404 if (!ret)
2405 {
2406 WARN("\tCouldn't find %s\n", lookup->filename);
2407 return NULL;
2408 }
2409 if ((hFile = CreateFileA(dbg_file_path, GENERIC_READ, FILE_SHARE_READ, NULL,
2410 OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL)) != INVALID_HANDLE_VALUE)
2411 {
2412 hMap = CreateFileMappingW(hFile, NULL, PAGE_READONLY, 0, 0, NULL);
2413 CloseHandle(hFile);
2414 }
2415 return hMap;
2416 }
2417
2418 static void pdb_process_types(const struct msc_debug_info* msc_dbg,
2419 const struct pdb_file_info* pdb_file)
2420 {
2421 BYTE* types_image = NULL;
2422
2423 types_image = pdb_read_file(pdb_file, 2);
2424 if (types_image)
2425 {
2426 PDB_TYPES types;
2427 struct codeview_type_parse ctp;
2428 DWORD total;
2429 const BYTE* ptr;
2430 DWORD* offset;
2431
2432 pdb_convert_types_header(&types, types_image);
2433
2434 /* Check for unknown versions */
2435 switch (types.version)
2436 {
2437 case 19950410: /* VC 4.0 */
2438 case 19951122:
2439 case 19961031: /* VC 5.0 / 6.0 */
2440 case 19990903: /* VC 7.0 */
2441 case 20040203: /* VC 8.0 */
2442 break;
2443 default:
2444 ERR("-Unknown type info version %d\n", types.version);
2445 }
2446
2447 ctp.module = msc_dbg->module;
2448 /* reconstruct the types offset...
2449 * FIXME: maybe it's present in the newest PDB_TYPES structures
2450 */
2451 total = types.last_index - types.first_index + 1;
2452 offset = HeapAlloc(GetProcessHeap(), 0, sizeof(DWORD) * total);
2453 ctp.table = ptr = types_image + types.type_offset;
2454 ctp.num = 0;
2455 while (ptr < ctp.table + types.type_size && ctp.num < total)
2456 {
2457 offset[ctp.num++] = ptr - ctp.table;
2458 ptr += ((const union codeview_type*)ptr)->generic.len + 2;
2459 }
2460 ctp.offset = offset;
2461
2462 /* Read type table */
2463 codeview_parse_type_table(&ctp);
2464 HeapFree(GetProcessHeap(), 0, offset);
2465 pdb_free(types_image);
2466 }
2467 }
2468
2469 static const char PDB_JG_IDENT[] = "Microsoft C/C++ program database 2.00\r\n\032JG\0";
2470 static const char PDB_DS_IDENT[] = "Microsoft C/C++ MSF 7.00\r\n\032DS\0";
2471
2472 /******************************************************************
2473 * pdb_init
2474 *
2475 * Tries to load a pdb file
2476 * 'matched' is filled with the number of correct matches for this file:
2477 * - age counts for one
2478 * - timestamp or guid depending on kind counts for one
2479 * a wrong kind of file returns FALSE (FIXME ?)
2480 */
2481 static BOOL pdb_init(const struct pdb_lookup* pdb_lookup, struct pdb_file_info* pdb_file,
2482 const char* image, unsigned* matched)
2483 {
2484 BOOL ret = TRUE;
2485
2486 /* check the file header, and if ok, load the TOC */
2487 TRACE("PDB(%s): %.40s\n", pdb_lookup->filename, debugstr_an(image, 40));
2488
2489 *matched = 0;
2490 if (!memcmp(image, PDB_JG_IDENT, sizeof(PDB_JG_IDENT)))
2491 {
2492 const struct PDB_JG_HEADER* pdb = (const struct PDB_JG_HEADER*)image;
2493 struct PDB_JG_ROOT* root;
2494
2495 pdb_file->u.jg.toc = pdb_jg_read(pdb, pdb->toc_block, pdb->toc.size);
2496 root = pdb_read_jg_file(pdb, pdb_file->u.jg.toc, 1);
2497 if (!root)
2498 {
2499 ERR("-Unable to get root from .PDB in %s\n", pdb_lookup->filename);
2500 return FALSE;
2501 }
2502 switch (root->Version)
2503 {
2504 case 19950623: /* VC 4.0 */
2505 case 19950814:
2506 case 19960307: /* VC 5.0 */
2507 case 19970604: /* VC 6.0 */
2508 break;
2509 default:
2510 ERR("-Unknown root block version %d\n", root->Version);
2511 }
2512 if (pdb_lookup->kind != PDB_JG)
2513 {
2514 WARN("Found %s, but wrong PDB kind\n", pdb_lookup->filename);
2515 return FALSE;
2516 }
2517 pdb_file->kind = PDB_JG;
2518 pdb_file->u.jg.timestamp = root->TimeDateStamp;
2519 pdb_file->age = root->Age;
2520 if (root->TimeDateStamp == pdb_lookup->timestamp) (*matched)++;
2521 else WARN("Found %s, but wrong signature: %08x %08x\n",
2522 pdb_lookup->filename, root->TimeDateStamp, pdb_lookup->timestamp);
2523 if (root->Age == pdb_lookup->age) (*matched)++;
2524 else WARN("Found %s, but wrong age: %08x %08x\n",
2525 pdb_lookup->filename, root->Age, pdb_lookup->age);
2526 TRACE("found JG for %s: age=%x timestamp=%x\n",
2527 pdb_lookup->filename, root->Age, root->TimeDateStamp);
2528 pdb_load_stream_name_table(pdb_file, &root->names[0], root->cbNames);
2529
2530 pdb_free(root);
2531 }
2532 else if (!memcmp(image, PDB_DS_IDENT, sizeof(PDB_DS_IDENT)))
2533 {
2534 const struct PDB_DS_HEADER* pdb = (const struct PDB_DS_HEADER*)image;
2535 struct PDB_DS_ROOT* root;
2536
2537 pdb_file->u.ds.toc =
2538 pdb_ds_read(pdb,
2539 (const DWORD*)((const char*)pdb + pdb->toc_page * pdb->block_size),
2540 pdb->toc_size);
2541 root = pdb_read_ds_file(pdb, pdb_file->u.ds.toc, 1);
2542 if (!root)
2543 {
2544 ERR("-Unable to get root from .PDB in %s\n", pdb_lookup->filename);
2545 return FALSE;
2546 }
2547 switch (root->Version)
2548 {
2549 case 20000404:
2550 break;
2551 default:
2552 ERR("-Unknown root block version %d\n", root->Version);
2553 }
2554 pdb_file->kind = PDB_DS;
2555 pdb_file->u.ds.guid = root->guid;
2556 pdb_file->age = root->Age;
2557 if (!memcmp(&root->guid, &pdb_lookup->guid, sizeof(GUID))) (*matched)++;
2558 else WARN("Found %s, but wrong GUID: %s %s\n",
2559 pdb_lookup->filename, debugstr_guid(&root->guid),
2560 debugstr_guid(&pdb_lookup->guid));
2561 if (root->Age == pdb_lookup->age) (*matched)++;
2562 else WARN("Found %s, but wrong age: %08x %08x\n",
2563 pdb_lookup->filename, root->Age, pdb_lookup->age);
2564 TRACE("found DS for %s: age=%x guid=%s\n",
2565 pdb_lookup->filename, root->Age, debugstr_guid(&root->guid));
2566 pdb_load_stream_name_table(pdb_file, &root->names[0], root->cbNames);
2567
2568 pdb_free(root);
2569 }
2570
2571 if (0) /* some tool to dump the internal files from a PDB file */
2572 {
2573 int i, num_files;
2574
2575 switch (pdb_file->kind)
2576 {
2577 case PDB_JG: num_files = pdb_file->u.jg.toc->num_files; break;
2578 case PDB_DS: num_files = pdb_file->u.ds.toc->num_files; break;
2579 }
2580
2581 for (i = 1; i < num_files; i++)
2582 {
2583 unsigned char* x = pdb_read_file(pdb_file, i);
2584 FIXME("********************** [%u]: size=%08x\n",
2585 i, pdb_get_file_size(pdb_file, i));
2586 dump(x, pdb_get_file_size(pdb_file, i));
2587 pdb_free(x);
2588 }
2589 }
2590 return ret;
2591 }
2592
2593 static BOOL pdb_process_internal(const struct process* pcs,
2594 const struct msc_debug_info* msc_dbg,
2595 const struct pdb_lookup* pdb_lookup,
2596 struct pdb_module_info* pdb_module_info,
2597 unsigned module_index);
2598
2599 static void pdb_process_symbol_imports(const struct process* pcs,
2600 const struct msc_debug_info* msc_dbg,
2601 const PDB_SYMBOLS* symbols,
2602 const void* symbols_image,
2603 const char* image,
2604 const struct pdb_lookup* pdb_lookup,
2605 struct pdb_module_info* pdb_module_info,
2606 unsigned module_index)
2607 {
2608 if (module_index == -1 && symbols && symbols->pdbimport_size)
2609 {
2610 const PDB_SYMBOL_IMPORT*imp;
2611 const void* first;
2612 const void* last;
2613 const char* ptr;
2614 int i = 0;
2615 struct pdb_file_info sf0 = pdb_module_info->pdb_files[0];
2616
2617 imp = (const PDB_SYMBOL_IMPORT*)((const char*)symbols_image + sizeof(PDB_SYMBOLS) +
2618 symbols->module_size + symbols->offset_size +
2619 symbols->hash_size + symbols->srcmodule_size);
2620 first = imp;
2621 last = (const char*)imp + symbols->pdbimport_size;
2622 while (imp < (const PDB_SYMBOL_IMPORT*)last)
2623 {
2624 ptr = (const char*)imp + sizeof(*imp) + strlen(imp->filename);
2625 if (i >= CV_MAX_MODULES) FIXME("Out of bounds !!!\n");
2626 if (!strcasecmp(pdb_lookup->filename, imp->filename))
2627 {
2628 if (module_index != -1) FIXME("Twice the entry\n");
2629 else module_index = i;
2630 pdb_module_info->pdb_files[i] = sf0;
2631 }
2632 else
2633 {
2634 struct pdb_lookup imp_pdb_lookup;
2635
2636 /* FIXME: this is an import of a JG PDB file
2637 * how's a DS PDB handled ?
2638 */
2639 imp_pdb_lookup.filename = imp->filename;
2640 imp_pdb_lookup.kind = PDB_JG;
2641 imp_pdb_lookup.timestamp = imp->TimeDateStamp;
2642 imp_pdb_lookup.age = imp->Age;
2643 TRACE("got for %s: age=%u ts=%x\n",
2644 imp->filename, imp->Age, imp->TimeDateStamp);
2645 pdb_process_internal(pcs, msc_dbg, &imp_pdb_lookup, pdb_module_info, i);
2646 }
2647 i++;
2648 imp = (const PDB_SYMBOL_IMPORT*)((const char*)first + ((ptr - (const char*)first + strlen(ptr) + 1 + 3) & ~3));
2649 }
2650 pdb_module_info->used_subfiles = i;
2651 }
2652 if (module_index == -1)
2653 {
2654 module_index = 0;
2655 pdb_module_info->used_subfiles = 1;
2656 }
2657 cv_current_module = &cv_zmodules[module_index];
2658 if (cv_current_module->allowed) FIXME("Already allowed ??\n");
2659 cv_current_module->allowed = TRUE;
2660 }
2661
2662 static BOOL pdb_process_internal(const struct process* pcs,
2663 const struct msc_debug_info* msc_dbg,
2664 const struct pdb_lookup* pdb_lookup,
2665 struct pdb_module_info* pdb_module_info,
2666 unsigned module_index)
2667 {
2668 HANDLE hMap = NULL;
2669 char* image = NULL;
2670 BYTE* symbols_image = NULL;
2671 char* files_image = NULL;
2672 DWORD files_size = 0;
2673 unsigned matched;
2674 struct pdb_file_info* pdb_file;
2675
2676 TRACE("Processing PDB file %s\n", pdb_lookup->filename);
2677
2678 pdb_file = &pdb_module_info->pdb_files[module_index == -1 ? 0 : module_index];
2679 /* Open and map() .PDB file */
2680 if ((hMap = map_pdb_file(pcs, pdb_lookup, msc_dbg->module)) == NULL ||
2681 ((image = MapViewOfFile(hMap, FILE_MAP_READ, 0, 0, 0)) == NULL))
2682 {
2683 WARN("Unable to open .PDB file: %s\n", pdb_lookup->filename);
2684 CloseHandle(hMap);
2685 return FALSE;
2686 }
2687 if (!pdb_init(pdb_lookup, pdb_file, image, &matched) || matched != 2)
2688 {
2689 CloseHandle(hMap);
2690 UnmapViewOfFile(image);
2691 return FALSE;
2692 }
2693
2694 pdb_file->hMap = hMap;
2695 pdb_file->image = image;
2696 symbols_image = pdb_read_file(pdb_file, 3);
2697 if (symbols_image)
2698 {
2699 PDB_SYMBOLS symbols;
2700 BYTE* globalimage;
2701 BYTE* modimage;
2702 BYTE* file;
2703 int header_size = 0;
2704 PDB_STREAM_INDEXES* psi;
2705
2706 pdb_convert_symbols_header(&symbols, &header_size, symbols_image);
2707 switch (symbols.version)
2708 {
2709 case 0: /* VC 4.0 */
2710 case 19960307: /* VC 5.0 */
2711 case 19970606: /* VC 6.0 */
2712 case 19990903:
2713 break;
2714 default:
2715 ERR("-Unknown symbol info version %d %08x\n",
2716 symbols.version, symbols.version);
2717 }
2718
2719 switch (symbols.stream_index_size)
2720 {
2721 case 0:
2722 case sizeof(PDB_STREAM_INDEXES_OLD):
2723 /* no fpo ext stream in this case */
2724 break;
2725 case sizeof(PDB_STREAM_INDEXES):
2726 psi = (PDB_STREAM_INDEXES*)((const char*)symbols_image + sizeof(PDB_SYMBOLS) +
2727 symbols.module_size + symbols.offset_size +
2728 symbols.hash_size + symbols.srcmodule_size +
2729 symbols.pdbimport_size + symbols.unknown2_size);
2730 pdb_file->fpoext_stream = psi->FPO_EXT;
2731 break;
2732 default:
2733 FIXME("Unknown PDB_STREAM_INDEXES size (%d)\n", symbols.stream_index_size);
2734 break;
2735 }
2736 files_image = pdb_read_strings(pdb_file);
2737 if (files_image) files_size = *(const DWORD*)(files_image + 8);
2738
2739 pdb_process_symbol_imports(pcs, msc_dbg, &symbols, symbols_image, image,
2740 pdb_lookup, pdb_module_info, module_index);
2741 pdb_process_types(msc_dbg, pdb_file);
2742
2743 /* Read global symbol table */
2744 globalimage = pdb_read_file(pdb_file, symbols.gsym_file);
2745 if (globalimage)
2746 {
2747 codeview_snarf(msc_dbg, globalimage, 0,
2748 pdb_get_file_size(pdb_file, symbols.gsym_file), FALSE);
2749 }
2750
2751 /* Read per-module symbols' tables */
2752 file = symbols_image + header_size;
2753 while (file - symbols_image < header_size + symbols.module_size)
2754 {
2755 PDB_SYMBOL_FILE_EX sfile;
2756 const char* file_name;
2757 unsigned size;
2758
2759 HeapValidate(GetProcessHeap(), 0, NULL);
2760 pdb_convert_symbol_file(&symbols, &sfile, &size, file);
2761
2762 modimage = pdb_read_file(pdb_file, sfile.file);
2763 if (modimage)
2764 {
2765 if (sfile.symbol_size)
2766 codeview_snarf(msc_dbg, modimage, sizeof(DWORD),
2767 sfile.symbol_size, TRUE);
2768
2769 if (sfile.lineno_size)
2770 codeview_snarf_linetab(msc_dbg,
2771 modimage + sfile.symbol_size,
2772 sfile.lineno_size,
2773 pdb_file->kind == PDB_JG);
2774 if (files_image)
2775 codeview_snarf_linetab2(msc_dbg, modimage + sfile.symbol_size + sfile.lineno_size,
2776 pdb_get_file_size(pdb_file, sfile.file) - sfile.symbol_size - sfile.lineno_size,
2777 files_image + 12, files_size);
2778
2779 pdb_free(modimage);
2780 }
2781 file_name = (const char*)file + size;
2782 file_name += strlen(file_name) + 1;
2783 file = (BYTE*)((DWORD_PTR)(file_name + strlen(file_name) + 1 + 3) & ~3);
2784 }
2785 /* finish the remaining public and global information */
2786 if (globalimage)
2787 {
2788 codeview_snarf_public(msc_dbg, globalimage, 0,
2789 pdb_get_file_size(pdb_file, symbols.gsym_file));
2790 pdb_free(globalimage);
2791 }
2792 }
2793 else
2794 pdb_process_symbol_imports(pcs, msc_dbg, NULL, NULL, image,
2795 pdb_lookup, pdb_module_info, module_index);
2796
2797 pdb_free(symbols_image);
2798 pdb_free(files_image);
2799
2800 return TRUE;
2801 }
2802
2803 static BOOL pdb_process_file(const struct process* pcs,
2804 const struct msc_debug_info* msc_dbg,
2805 struct pdb_lookup* pdb_lookup)
2806 {
2807 BOOL ret;
2808 struct module_format* modfmt;
2809 struct pdb_module_info* pdb_module_info;
2810
2811 modfmt = HeapAlloc(GetProcessHeap(), 0,
2812 sizeof(struct module_format) + sizeof(struct pdb_module_info));
2813 if (!modfmt) return FALSE;
2814
2815 pdb_module_info = (void*)(modfmt + 1);
2816 msc_dbg->module->format_info[DFI_PDB] = modfmt;
2817 modfmt->module = msc_dbg->module;
2818 modfmt->remove = pdb_module_remove;
2819 modfmt->loc_compute = NULL;
2820 modfmt->u.pdb_info = pdb_module_info;
2821
2822 memset(cv_zmodules, 0, sizeof(cv_zmodules));
2823 codeview_init_basic_types(msc_dbg->module);
2824 ret = pdb_process_internal(pcs, msc_dbg, pdb_lookup,
2825 msc_dbg->module->format_info[DFI_PDB]->u.pdb_info, -1);
2826 codeview_clear_type_table();
2827 if (ret)
2828 {
2829 struct pdb_module_info* pdb_info = msc_dbg->module->format_info[DFI_PDB]->u.pdb_info;
2830 msc_dbg->module->module.SymType = SymCv;
2831 if (pdb_info->pdb_files[0].kind == PDB_JG)
2832 msc_dbg->module->module.PdbSig = pdb_info->pdb_files[0].u.jg.timestamp;
2833 else
2834 msc_dbg->module->module.PdbSig70 = pdb_info->pdb_files[0].u.ds.guid;
2835 msc_dbg->module->module.PdbAge = pdb_info->pdb_files[0].age;
2836 MultiByteToWideChar(CP_ACP, 0, pdb_lookup->filename, -1,
2837 msc_dbg->module->module.LoadedPdbName,
2838 sizeof(msc_dbg->module->module.LoadedPdbName) / sizeof(WCHAR));
2839 /* FIXME: we could have a finer grain here */
2840 msc_dbg->module->module.LineNumbers = TRUE;
2841 msc_dbg->module->module.GlobalSymbols = TRUE;
2842 msc_dbg->module->module.TypeInfo = TRUE;
2843 msc_dbg->module->module.SourceIndexed = TRUE;
2844 msc_dbg->module->module.Publics = TRUE;
2845 }
2846 else
2847 {
2848 msc_dbg->module->format_info[DFI_PDB] = NULL;
2849 HeapFree(GetProcessHeap(), 0, modfmt);
2850 }
2851 return ret;
2852 }
2853
2854 BOOL pdb_fetch_file_info(const struct pdb_lookup* pdb_lookup, unsigned* matched)
2855 {
2856 HANDLE hFile, hMap = NULL;
2857 char* image = NULL;
2858 BOOL ret;
2859 struct pdb_file_info pdb_file;
2860
2861 if ((hFile = CreateFileA(pdb_lookup->filename, GENERIC_READ, FILE_SHARE_READ, NULL,
2862 OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL)) == INVALID_HANDLE_VALUE ||
2863 ((hMap = CreateFileMappingW(hFile, NULL, PAGE_READONLY, 0, 0, NULL)) == NULL) ||
2864 ((image = MapViewOfFile(hMap, FILE_MAP_READ, 0, 0, 0)) == NULL))
2865 {
2866 WARN("Unable to open .PDB file: %s\n", pdb_lookup->filename);
2867 ret = FALSE;
2868 }
2869 else
2870 {
2871 ret = pdb_init(pdb_lookup, &pdb_file, image, matched);
2872 pdb_free_file(&pdb_file);
2873 }
2874
2875 if (image) UnmapViewOfFile(image);
2876 if (hMap) CloseHandle(hMap);
2877 if (hFile != INVALID_HANDLE_VALUE) CloseHandle(hFile);
2878
2879 return ret;
2880 }
2881
2882 /*========================================================================
2883 * FPO unwinding code
2884 */
2885
2886 /* Stack unwinding is based on postfixed operations.
2887 * Let's define our Postfix EValuator
2888 */
2889 #define PEV_MAX_LEN 32
2890 struct pevaluator
2891 {
2892 struct cpu_stack_walk* csw;
2893 struct pool pool;
2894 struct vector stack;
2895 unsigned stk_index;
2896 struct hash_table values;
2897 char error[64];
2898 };
2899
2900 struct zvalue
2901 {
2902 DWORD_PTR value;
2903 struct hash_table_elt elt;
2904 };
2905
2906 #define PEV_ERROR(pev, msg) snprintf((pev)->error, sizeof((pev)->error), "%s", (msg)),FALSE
2907 #define PEV_ERROR1(pev, msg, pmt) snprintf((pev)->error, sizeof((pev)->error), (msg), (pmt)),FALSE
2908
2909 #if 0
2910 static void pev_dump_stack(struct pevaluator* pev)
2911 {
2912 unsigned i;
2913 FIXME("stack #%d\n", pev->stk_index);
2914 for (i = 0; i < pev->stk_index; i++)
2915 {
2916 FIXME("\t%d) %s\n", i, *(char**)vector_at(&pev->stack, i));
2917 }
2918 }
2919 #endif
2920
2921 /* get the value out of an operand (variable or literal) */
2922 static BOOL pev_get_val(struct pevaluator* pev, const char* str, DWORD_PTR* val)
2923 {
2924 char* n;
2925 struct hash_table_iter hti;
2926 void* ptr;
2927
2928 switch (str[0])
2929 {
2930 case '$':
2931 case '.':
2932 hash_table_iter_init(&pev->values, &hti, str);
2933 while ((ptr = hash_table_iter_up(&hti)))
2934 {
2935 if (!strcmp(GET_ENTRY(ptr, struct zvalue, elt)->elt.name, str))
2936 {
2937 *val = GET_ENTRY(ptr, struct zvalue, elt)->value;
2938 return TRUE;
2939 }
2940 }
2941 return PEV_ERROR1(pev, "get_zvalue: no value found (%s)", str);
2942 default:
2943 *val = strtol(str, &n, 10);
2944 if (n == str || *n != '\0')
2945 return PEV_ERROR1(pev, "get_val: not a literal (%s)", str);
2946 return TRUE;
2947 }
2948 }
2949
2950 /* push an operand onto the stack */
2951 static BOOL pev_push(struct pevaluator* pev, const char* elt)
2952 {
2953 char** at;
2954 if (pev->stk_index < vector_length(&pev->stack))
2955 at = vector_at(&pev->stack, pev->stk_index);
2956 else
2957 at = vector_add(&pev->stack, &pev->pool);
2958 if (!at) return PEV_ERROR(pev, "push: out of memory");
2959 *at = pool_strdup(&pev->pool, elt);
2960 pev->stk_index++;
2961 return TRUE;
2962 }
2963
2964 /* pop an operand from the stack */
2965 static BOOL pev_pop(struct pevaluator* pev, char* elt)
2966 {
2967 char** at = vector_at(&pev->stack, --pev->stk_index);
2968 if (!at) return PEV_ERROR(pev, "pop: stack empty");
2969 strcpy(elt, *at);
2970 return TRUE;
2971 }
2972
2973 /* pop an operand from the stack, and gets its value */
2974 static BOOL pev_pop_val(struct pevaluator* pev, DWORD_PTR* val)
2975 {
2976 char p[PEV_MAX_LEN];
2977
2978 return pev_pop(pev, p) && pev_get_val(pev, p, val);
2979 }
2980
2981 /* set var 'name' a new value (creates the var if it doesn't exist) */
2982 static BOOL pev_set_value(struct pevaluator* pev, const char* name, DWORD_PTR val)
2983 {
2984 struct hash_table_iter hti;
2985 void* ptr;
2986
2987 hash_table_iter_init(&pev->values, &hti, name);
2988 while ((ptr = hash_table_iter_up(&hti)))
2989 {
2990 if (!strcmp(GET_ENTRY(ptr, struct zvalue, elt)->elt.name, name))
2991 {
2992 GET_ENTRY(ptr, struct zvalue, elt)->value = val;
2993 break;
2994 }
2995 }
2996 if (!ptr)
2997 {
2998 struct zvalue* zv = pool_alloc(&pev->pool, sizeof(*zv));
2999 if (!zv) return PEV_ERROR(pev, "set_value: out of memory");
3000 zv->value = val;
3001
3002 zv->elt.name = pool_strdup(&pev->pool, name);
3003 hash_table_add(&pev->values, &zv->elt);
3004 }
3005 return TRUE;
3006 }
3007
3008 /* execute a binary operand from the two top most values on the stack.
3009 * puts result on top of the stack */
3010 static BOOL pev_binop(struct pevaluator* pev, char op)
3011 {
3012 char res[PEV_MAX_LEN];
3013 DWORD_PTR v1, v2, c;
3014
3015 if (!pev_pop_val(pev, &v1) || !pev_pop_val(pev, &v2)) return FALSE;
3016 switch (op)
3017 {
3018 case '+': c = v1 + v2; break;
3019 case '-': c = v1 - v2; break;
3020 case '*': c = v1 * v2; break;
3021 case '/': c = v1 / v2; break;
3022 case '%': c = v1 % v2; break;
3023 default: return PEV_ERROR1(pev, "binop: unknown op (%c)", op);
3024 }
3025 snprintf(res, sizeof(res), "%ld", c);
3026 pev_push(pev, res);
3027 return TRUE;
3028 }
3029
3030 /* pops top most operand, dereference it, on pushes the result on top of the stack */
3031 static BOOL pev_deref(struct pevaluator* pev)
3032 {
3033 char res[PEV_MAX_LEN];
3034 DWORD_PTR v1, v2;
3035
3036 if (!pev_pop_val(pev, &v1)) return FALSE;
3037 if (!sw_read_mem(pev->csw, v1, &v2, sizeof(v2)))
3038 return PEV_ERROR1(pev, "deref: cannot read mem at %lx\n", v1);
3039 snprintf(res, sizeof(res), "%ld", v2);
3040 pev_push(pev, res);
3041 return TRUE;
3042 }
3043
3044 /* assign value to variable (from two top most operands) */
3045 static BOOL pev_assign(struct pevaluator* pev)
3046 {
3047 char p2[PEV_MAX_LEN];
3048 DWORD_PTR v1;
3049
3050 if (!pev_pop_val(pev, &v1) || !pev_pop(pev, p2)) return FALSE;
3051 if (p2[0] != '$') return PEV_ERROR1(pev, "assign: %s isn't a variable", p2);
3052 pev_set_value(pev, p2, v1);
3053
3054 return TRUE;
3055 }
3056
3057 /* initializes the postfix evaluator */
3058 static void pev_init(struct pevaluator* pev, struct cpu_stack_walk* csw,
3059 PDB_FPO_DATA* fpoext, struct pdb_cmd_pair* cpair)
3060 {
3061 pev->csw = csw;
3062 pool_init(&pev->pool, 512);
3063 vector_init(&pev->stack, sizeof(char*), 8);
3064 pev->stk_index = 0;
3065 hash_table_init(&pev->pool, &pev->values, 8);
3066 pev->error[0] = '\0';
3067 for (; cpair->name; cpair++)
3068 pev_set_value(pev, cpair->name, *cpair->pvalue);
3069 pev_set_value(pev, ".raSearchStart", fpoext->start);
3070 pev_set_value(pev, ".cbLocals", fpoext->locals_size);
3071 pev_set_value(pev, ".cbParams", fpoext->params_size);
3072 pev_set_value(pev, ".cbSavedRegs", fpoext->savedregs_size);
3073 }
3074
3075 static BOOL pev_free(struct pevaluator* pev, struct pdb_cmd_pair* cpair)
3076 {
3077 DWORD_PTR val;
3078
3079 if (cpair) for (; cpair->name; cpair++)
3080 {
3081 if (pev_get_val(pev, cpair->name, &val))
3082 *cpair->pvalue = val;
3083 }
3084 pool_destroy(&pev->pool);
3085 return TRUE;
3086 }
3087
3088 static BOOL pdb_parse_cmd_string(struct cpu_stack_walk* csw, PDB_FPO_DATA* fpoext,
3089 const char* cmd, struct pdb_cmd_pair* cpair)
3090 {
3091 char token[PEV_MAX_LEN];
3092 char* ptok = token;
3093 const char* ptr;
3094 BOOL over = FALSE;
3095 struct pevaluator pev;
3096
3097 pev_init(&pev, csw, fpoext, cpair);
3098 for (ptr = cmd; !over; ptr++)
3099 {
3100 if (*ptr == ' ' || (over = *ptr == '\0'))
3101 {
3102 *ptok = '\0';
3103
3104 if (!strcmp(token, "+") || !strcmp(token, "-") || !strcmp(token, "*") ||
3105 !strcmp(token, "/") || !strcmp(token, "%"))
3106 {
3107 if (!pev_binop(&pev, token[0])) goto done;
3108 }
3109 else if (!strcmp(token, "^"))
3110 {
3111 if (!pev_deref(&pev)) goto done;
3112 }
3113 else if (!strcmp(token, "="))
3114 {
3115 if (!pev_assign(&pev)) goto done;
3116 }
3117 else
3118 {
3119 if (!pev_push(&pev, token)) goto done;
3120 }
3121 ptok = token;
3122 }
3123 else
3124 {
3125 if (ptok - token >= PEV_MAX_LEN - 1)
3126 {
3127 PEV_ERROR1(&pev, "parse: token too long (%s)", ptr - (ptok - token));
3128 goto done;
3129 }
3130 *ptok++ = *ptr;
3131 }
3132 }
3133 pev_free(&pev, cpair);
3134 return TRUE;
3135 done:
3136 FIXME("Couldn't evaluate %s => %s\n", wine_dbgstr_a(cmd), pev.error);
3137 pev_free(&pev, NULL);
3138 return FALSE;
3139 }
3140
3141 BOOL pdb_virtual_unwind(struct cpu_stack_walk* csw, DWORD_PTR ip,
3142 CONTEXT* context, struct pdb_cmd_pair* cpair)
3143 {
3144 struct module_pair pair;
3145 struct pdb_module_info* pdb_info;
3146 PDB_FPO_DATA* fpoext;
3147 unsigned i, size, strsize;
3148 char* strbase;
3149 BOOL ret = TRUE;
3150
3151 if (!(pair.pcs = process_find_by_handle(csw->hProcess)) ||
3152 !(pair.requested = module_find_by_addr(pair.pcs, ip, DMT_UNKNOWN)) ||
3153 !module_get_debug(&pair))
3154 return FALSE;
3155 if (!pair.effective->format_info[DFI_PDB]) return FALSE;
3156 pdb_info = pair.effective->format_info[DFI_PDB]->u.pdb_info;
3157 TRACE("searching %lx => %lx\n", ip, ip - (DWORD_PTR)pair.effective->module.BaseOfImage);
3158 ip -= (DWORD_PTR)pair.effective->module.BaseOfImage;
3159
3160 strbase = pdb_read_strings(&pdb_info->pdb_files[0]);
3161 if (!strbase) return FALSE;
3162 strsize = *(const DWORD*)(strbase + 8);
3163 fpoext = pdb_read_file(&pdb_info->pdb_files[0], pdb_info->pdb_files[0].fpoext_stream);
3164 size = pdb_get_file_size(&pdb_info->pdb_files[0], pdb_info->pdb_files[0].fpoext_stream);
3165 if (fpoext && (size % sizeof(*fpoext)) == 0)
3166 {
3167 size /= sizeof(*fpoext);
3168 for (i = 0; i < size; i++)
3169 {
3170 if (fpoext[i].start <= ip && ip < fpoext[i].start + fpoext[i].func_size)
3171 {
3172 TRACE("\t%08x %08x %8x %8x %4x %4x %4x %08x %s\n",
3173 fpoext[i].start, fpoext[i].func_size, fpoext[i].locals_size,
3174 fpoext[i].params_size, fpoext[i].maxstack_size, fpoext[i].prolog_size,
3175 fpoext[i].savedregs_size, fpoext[i].flags,
3176 fpoext[i].str_offset < strsize ?
3177 wine_dbgstr_a(strbase + 12 + fpoext[i].str_offset) : "<out of bounds>");
3178 if (fpoext[i].str_offset < strsize)
3179 ret = pdb_parse_cmd_string(csw, &fpoext[i], strbase + 12 + fpoext[i].str_offset, cpair);
3180 else
3181 ret = FALSE;
3182 break;
3183 }
3184 }
3185 }
3186 else ret = FALSE;
3187 pdb_free(fpoext);
3188 pdb_free(strbase);
3189
3190 return ret;
3191 }
3192
3193 /*========================================================================
3194 * Process CodeView debug information.
3195 */
3196
3197 #define MAKESIG(a,b,c,d) ((a) | ((b) << 8) | ((c) << 16) | ((d) << 24))
3198 #define CODEVIEW_NB09_SIG MAKESIG('N','B','0','9')
3199 #define CODEVIEW_NB10_SIG MAKESIG('N','B','1','0')
3200 #define CODEVIEW_NB11_SIG MAKESIG('N','B','1','1')
3201 #define CODEVIEW_RSDS_SIG MAKESIG('R','S','D','S')
3202
3203 static BOOL codeview_process_info(const struct process* pcs,
3204 const struct msc_debug_info* msc_dbg)
3205 {
3206 const DWORD* signature = (const DWORD*)msc_dbg->root;
3207 BOOL ret = FALSE;
3208 struct pdb_lookup pdb_lookup;
3209
3210 TRACE("Processing signature %.4s\n", (const char*)signature);
3211
3212 switch (*signature)
3213 {
3214 case CODEVIEW_NB09_SIG:
3215 case CODEVIEW_NB11_SIG:
3216 {
3217 const OMFSignature* cv = (const OMFSignature*)msc_dbg->root;
3218 const OMFDirHeader* hdr = (const OMFDirHeader*)(msc_dbg->root + cv->filepos);
3219 const OMFDirEntry* ent;
3220 const OMFDirEntry* prev;
3221 const OMFDirEntry* next;
3222 unsigned int i;
3223
3224 codeview_init_basic_types(msc_dbg->module);
3225
3226 for (i = 0; i < hdr->cDir; i++)
3227 {
3228 ent = (const OMFDirEntry*)((const BYTE*)hdr + hdr->cbDirHeader + i * hdr->cbDirEntry);
3229 if (ent->SubSection == sstGlobalTypes)
3230 {
3231 const OMFGlobalTypes* types;
3232 struct codeview_type_parse ctp;
3233
3234 types = (const OMFGlobalTypes*)(msc_dbg->root + ent->lfo);
3235 ctp.module = msc_dbg->module;
3236 ctp.offset = (const DWORD*)(types + 1);
3237 ctp.num = types->cTypes;
3238 ctp.table = (const BYTE*)(ctp.offset + types->cTypes);
3239
3240 cv_current_module = &cv_zmodules[0];
3241 if (cv_current_module->allowed) FIXME("Already allowed ??\n");
3242 cv_current_module->allowed = TRUE;
3243
3244 codeview_parse_type_table(&ctp);
3245 break;
3246 }
3247 }
3248
3249 ent = (const OMFDirEntry*)((const BYTE*)hdr + hdr->cbDirHeader);
3250 for (i = 0; i < hdr->cDir; i++, ent = next)
3251 {
3252 next = (i == hdr->cDir-1) ? NULL :
3253 (const OMFDirEntry*)((const BYTE*)ent + hdr->cbDirEntry);
3254 prev = (i == 0) ? NULL :
3255 (const OMFDirEntry*)((const BYTE*)ent - hdr->cbDirEntry);
3256
3257 if (ent->SubSection == sstAlignSym)
3258 {
3259 codeview_snarf(msc_dbg, msc_dbg->root + ent->lfo, sizeof(DWORD),
3260 ent->cb, TRUE);
3261
3262 /*
3263 * Check the next and previous entry. If either is a
3264 * sstSrcModule, it contains the line number info for
3265 * this file.
3266 *
3267 * FIXME: This is not a general solution!
3268 */
3269 if (next && next->iMod == ent->iMod && next->SubSection == sstSrcModule)
3270 codeview_snarf_linetab(msc_dbg, msc_dbg->root + next->lfo,
3271 next->cb, TRUE);
3272
3273 if (prev && prev->iMod == ent->iMod && prev->SubSection == sstSrcModule)
3274 codeview_snarf_linetab(msc_dbg, msc_dbg->root + prev->lfo,
3275 prev->cb, TRUE);
3276
3277 }
3278 }
3279
3280 msc_dbg->module->module.SymType = SymCv;
3281 /* FIXME: we could have a finer grain here */
3282 msc_dbg->module->module.LineNumbers = TRUE;
3283 msc_dbg->module->module.GlobalSymbols = TRUE;
3284 msc_dbg->module->module.TypeInfo = TRUE;
3285 msc_dbg->module->module.SourceIndexed = TRUE;
3286 msc_dbg->module->module.Publics = TRUE;
3287 codeview_clear_type_table();
3288 ret = TRUE;
3289 break;
3290 }
3291
3292 case CODEVIEW_NB10_SIG:
3293 {
3294 const CODEVIEW_PDB_DATA* pdb = (const CODEVIEW_PDB_DATA*)msc_dbg->root;
3295 pdb_lookup.filename = pdb->name;
3296 pdb_lookup.kind = PDB_JG;
3297 pdb_lookup.timestamp = pdb->timestamp;
3298 pdb_lookup.age = pdb->age;
3299 ret = pdb_process_file(pcs, msc_dbg, &pdb_lookup);
3300 break;
3301 }
3302 case CODEVIEW_RSDS_SIG:
3303 {
3304 const OMFSignatureRSDS* rsds = (const OMFSignatureRSDS*)msc_dbg->root;
3305
3306 TRACE("Got RSDS type of PDB file: guid=%s age=%08x name=%s\n",
3307 wine_dbgstr_guid(&rsds->guid), rsds->age, rsds->name);
3308 pdb_lookup.filename = rsds->name;
3309 pdb_lookup.kind = PDB_DS;
3310 pdb_lookup.guid = rsds->guid;
3311 pdb_lookup.age = rsds->age;
3312 ret = pdb_process_file(pcs, msc_dbg, &pdb_lookup);
3313 break;
3314 }
3315 default:
3316 ERR("Unknown CODEVIEW signature %08x in module %s\n",
3317 *signature, debugstr_w(msc_dbg->module->module.ModuleName));
3318 break;
3319 }
3320 if (ret)
3321 {
3322 msc_dbg->module->module.CVSig = *signature;
3323 memcpy(msc_dbg->module->module.CVData, msc_dbg->root,
3324 sizeof(msc_dbg->module->module.CVData));
3325 }
3326 return ret;
3327 }
3328
3329 /*========================================================================
3330 * Process debug directory.
3331 */
3332 BOOL pe_load_debug_directory(const struct process* pcs, struct module* module,
3333 const BYTE* mapping,
3334 const IMAGE_SECTION_HEADER* sectp, DWORD nsect,
3335 const IMAGE_DEBUG_DIRECTORY* dbg, int nDbg)
3336 {
3337 BOOL ret;
3338 int i;
3339 struct msc_debug_info msc_dbg;
3340
3341 msc_dbg.module = module;
3342 msc_dbg.nsect = nsect;
3343 msc_dbg.sectp = sectp;
3344 msc_dbg.nomap = 0;
3345 msc_dbg.omapp = NULL;
3346
3347 __TRY
3348 {
3349 ret = FALSE;
3350
3351 /* First, watch out for OMAP data */
3352 for (i = 0; i < nDbg; i++)
3353 {
3354 if (dbg[i].Type == IMAGE_DEBUG_TYPE_OMAP_FROM_SRC)
3355 {
3356 msc_dbg.nomap = dbg[i].SizeOfData / sizeof(OMAP_DATA);
3357 msc_dbg.omapp = (const OMAP_DATA*)(mapping + dbg[i].PointerToRawData);
3358 break;
3359 }
3360 }
3361
3362 /* Now, try to parse CodeView debug info */
3363 for (i = 0; i < nDbg; i++)
3364 {
3365 if (dbg[i].Type == IMAGE_DEBUG_TYPE_CODEVIEW)
3366 {
3367 msc_dbg.root = mapping + dbg[i].PointerToRawData;
3368 if ((ret = codeview_process_info(pcs, &msc_dbg))) goto done;
3369 }
3370 }
3371
3372 /* If not found, try to parse COFF debug info */
3373 for (i = 0; i < nDbg; i++)
3374 {
3375 if (dbg[i].Type == IMAGE_DEBUG_TYPE_COFF)
3376 {
3377 msc_dbg.root = mapping + dbg[i].PointerToRawData;
3378 if ((ret = coff_process_info(&msc_dbg))) goto done;
3379 }
3380 }
3381 done:
3382 /* FIXME: this should be supported... this is the debug information for
3383 * functions compiled without a frame pointer (FPO = frame pointer omission)
3384 * the associated data helps finding out the relevant information
3385 */
3386 for (i = 0; i < nDbg; i++)
3387 if (dbg[i].Type == IMAGE_DEBUG_TYPE_FPO)
3388 FIXME("This guy has FPO information\n");
3389 #if 0
3390
3391 #define FRAME_FPO 0
3392 #define FRAME_TRAP 1
3393 #define FRAME_TSS 2
3394
3395 typedef struct _FPO_DATA
3396 {
3397 DWORD ulOffStart; /* offset 1st byte of function code */
3398 DWORD cbProcSize; /* # bytes in function */
3399 DWORD cdwLocals; /* # bytes in locals/4 */
3400 WORD cdwParams; /* # bytes in params/4 */
3401
3402 WORD cbProlog : 8; /* # bytes in prolog */
3403 WORD cbRegs : 3; /* # regs saved */
3404 WORD fHasSEH : 1; /* TRUE if SEH in func */
3405 WORD fUseBP : 1; /* TRUE if EBP has been allocated */
3406 WORD reserved : 1; /* reserved for future use */
3407 WORD cbFrame : 2; /* frame type */
3408 } FPO_DATA;
3409 #endif
3410
3411 }
3412 __EXCEPT_PAGE_FAULT
3413 {
3414 ERR("Got a page fault while loading symbols\n");
3415 ret = FALSE;
3416 }
3417 __ENDTRY
3418 return ret;
3419 }
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