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gdi32: Make clip_line external.
[wine/multimedia.git] / dlls / dbghelp / msc.c
blob9f9a53eb267938730552b4e7c13c2ad1728db5d9
1 /*
2 * File msc.c - read VC++ debug information from COFF and eventually
3 * from PDB files.
4 *
5 * Copyright (C) 1996, Eric Youngdale.
6 * Copyright (C) 1999-2000, Ulrich Weigand.
7 * Copyright (C) 2004-2009, Eric Pouech.
8 *
9 * This library is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public
11 * License as published by the Free Software Foundation; either
12 * version 2.1 of the License, or (at your option) any later version.
13 *
14 * This library is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Lesser General Public License for more details.
18 *
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with this library; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
22 */
23
24 /*
25 * Note - this handles reading debug information for 32 bit applications
26 * that run under Windows-NT for example. I doubt that this would work well
27 * for 16 bit applications, but I don't think it really matters since the
28 * file format is different, and we should never get in here in such cases.
29 *
30 * TODO:
31 * Get 16 bit CV stuff working.
32 * Add symbol size to internal symbol table.
33 */
34
35 #define NONAMELESSUNION
36
37 #include "config.h"
38 #include "wine/port.h"
39
40 #include <assert.h>
41 #include <stdio.h>
42 #include <stdlib.h>
43
44 #include <string.h>
45 #ifdef HAVE_UNISTD_H
46 # include <unistd.h>
47 #endif
48 #ifndef PATH_MAX
49 #define PATH_MAX MAX_PATH
50 #endif
51 #include <stdarg.h>
52 #include "windef.h"
53 #include "winbase.h"
54 #include "winternl.h"
55
56 #include "wine/exception.h"
57 #include "wine/debug.h"
58 #include "dbghelp_private.h"
59 #include "wine/mscvpdb.h"
60
61 WINE_DEFAULT_DEBUG_CHANNEL(dbghelp_msc);
62
63 #define MAX_PATHNAME_LEN 1024
64
65 struct pdb_stream_name
66 {
67 const char* name;
68 unsigned index;
69 };
70
71 struct pdb_file_info
72 {
73 enum pdb_kind kind;
74 DWORD age;
75 HANDLE hMap;
76 const char* image;
77 struct pdb_stream_name* stream_dict;
78 unsigned fpoext_stream;
79 union
80 {
81 struct
82 {
83 DWORD timestamp;
84 struct PDB_JG_TOC* toc;
85 } jg;
86 struct
87 {
88 GUID guid;
89 struct PDB_DS_TOC* toc;
90 } ds;
91 } u;
92 };
93
94 /* FIXME: don't make it static */
95 #define CV_MAX_MODULES 32
96 struct pdb_module_info
97 {
98 unsigned used_subfiles;
99 struct pdb_file_info pdb_files[CV_MAX_MODULES];
100 };
101
102 /*========================================================================
103 * Debug file access helper routines
104 */
105
106 static void dump(const void* ptr, unsigned len)
107 {
108 unsigned int i, j;
109 char msg[128];
110 const char* hexof = "0123456789abcdef";
111 const BYTE* x = ptr;
112
113 for (i = 0; i < len; i += 16)
114 {
115 sprintf(msg, "%08x: ", i);
116 memset(msg + 10, ' ', 3 * 16 + 1 + 16);
117 for (j = 0; j < min(16, len - i); j++)
118 {
119 msg[10 + 3 * j + 0] = hexof[x[i + j] >> 4];
120 msg[10 + 3 * j + 1] = hexof[x[i + j] & 15];
121 msg[10 + 3 * j + 2] = ' ';
122 msg[10 + 3 * 16 + 1 + j] = (x[i + j] >= 0x20 && x[i + j] < 0x7f) ?
123 x[i + j] : '.';
124 }
125 msg[10 + 3 * 16] = ' ';
126 msg[10 + 3 * 16 + 1 + 16] = '\0';
127 FIXME("%s\n", msg);
128 }
129 }
130
131 /*========================================================================
132 * Process CodeView type information.
133 */
134
135 #define MAX_BUILTIN_TYPES 0x06FF
136 #define FIRST_DEFINABLE_TYPE 0x1000
137
138 static struct symt* cv_basic_types[MAX_BUILTIN_TYPES];
139
140 struct cv_defined_module
141 {
142 BOOL allowed;
143 unsigned int num_defined_types;
144 struct symt** defined_types;
145 };
146 /* FIXME: don't make it static */
147 #define CV_MAX_MODULES 32
148 static struct cv_defined_module cv_zmodules[CV_MAX_MODULES];
149 static struct cv_defined_module*cv_current_module;
150
151 static void codeview_init_basic_types(struct module* module)
152 {
153 /*
154 * These are the common builtin types that are used by VC++.
155 */
156 cv_basic_types[T_NOTYPE] = NULL;
157 cv_basic_types[T_ABS] = NULL;
158 cv_basic_types[T_VOID] = &symt_new_basic(module, btVoid, "void", 0)->symt;
159 cv_basic_types[T_CHAR] = &symt_new_basic(module, btChar, "char", 1)->symt;
160 cv_basic_types[T_SHORT] = &symt_new_basic(module, btInt, "short int", 2)->symt;
161 cv_basic_types[T_LONG] = &symt_new_basic(module, btInt, "long int", 4)->symt;
162 cv_basic_types[T_QUAD] = &symt_new_basic(module, btInt, "long long int", 8)->symt;
163 cv_basic_types[T_UCHAR] = &symt_new_basic(module, btUInt, "unsigned char", 1)->symt;
164 cv_basic_types[T_USHORT] = &symt_new_basic(module, btUInt, "unsigned short", 2)->symt;
165 cv_basic_types[T_ULONG] = &symt_new_basic(module, btUInt, "unsigned long", 4)->symt;
166 cv_basic_types[T_UQUAD] = &symt_new_basic(module, btUInt, "unsigned long long", 8)->symt;
167 cv_basic_types[T_BOOL08] = &symt_new_basic(module, btBool, "BOOL08", 1)->symt;
168 cv_basic_types[T_BOOL16] = &symt_new_basic(module, btBool, "BOOL16", 2)->symt;
169 cv_basic_types[T_BOOL32] = &symt_new_basic(module, btBool, "BOOL32", 4)->symt;
170 cv_basic_types[T_BOOL64] = &symt_new_basic(module, btBool, "BOOL64", 8)->symt;
171 cv_basic_types[T_REAL32] = &symt_new_basic(module, btFloat, "float", 4)->symt;
172 cv_basic_types[T_REAL64] = &symt_new_basic(module, btFloat, "double", 8)->symt;
173 cv_basic_types[T_REAL80] = &symt_new_basic(module, btFloat, "long double", 10)->symt;
174 cv_basic_types[T_RCHAR] = &symt_new_basic(module, btInt, "signed char", 1)->symt;
175 cv_basic_types[T_WCHAR] = &symt_new_basic(module, btWChar, "wchar_t", 2)->symt;
176 cv_basic_types[T_INT2] = &symt_new_basic(module, btInt, "INT2", 2)->symt;
177 cv_basic_types[T_UINT2] = &symt_new_basic(module, btUInt, "UINT2", 2)->symt;
178 cv_basic_types[T_INT4] = &symt_new_basic(module, btInt, "INT4", 4)->symt;
179 cv_basic_types[T_UINT4] = &symt_new_basic(module, btUInt, "UINT4", 4)->symt;
180 cv_basic_types[T_INT8] = &symt_new_basic(module, btInt, "INT8", 8)->symt;
181 cv_basic_types[T_UINT8] = &symt_new_basic(module, btUInt, "UINT8", 8)->symt;
182 cv_basic_types[T_HRESULT]= &symt_new_basic(module, btUInt, "HRESULT", 4)->symt;
183
184 cv_basic_types[T_32PVOID] = &symt_new_pointer(module, cv_basic_types[T_VOID], 4)->symt;
185 cv_basic_types[T_32PCHAR] = &symt_new_pointer(module, cv_basic_types[T_CHAR], 4)->symt;
186 cv_basic_types[T_32PSHORT] = &symt_new_pointer(module, cv_basic_types[T_SHORT], 4)->symt;
187 cv_basic_types[T_32PLONG] = &symt_new_pointer(module, cv_basic_types[T_LONG], 4)->symt;
188 cv_basic_types[T_32PQUAD] = &symt_new_pointer(module, cv_basic_types[T_QUAD], 4)->symt;
189 cv_basic_types[T_32PUCHAR] = &symt_new_pointer(module, cv_basic_types[T_UCHAR], 4)->symt;
190 cv_basic_types[T_32PUSHORT] = &symt_new_pointer(module, cv_basic_types[T_USHORT], 4)->symt;
191 cv_basic_types[T_32PULONG] = &symt_new_pointer(module, cv_basic_types[T_ULONG], 4)->symt;
192 cv_basic_types[T_32PUQUAD] = &symt_new_pointer(module, cv_basic_types[T_UQUAD], 4)->symt;
193 cv_basic_types[T_32PBOOL08] = &symt_new_pointer(module, cv_basic_types[T_BOOL08], 4)->symt;
194 cv_basic_types[T_32PBOOL16] = &symt_new_pointer(module, cv_basic_types[T_BOOL16], 4)->symt;
195 cv_basic_types[T_32PBOOL32] = &symt_new_pointer(module, cv_basic_types[T_BOOL32], 4)->symt;
196 cv_basic_types[T_32PBOOL64] = &symt_new_pointer(module, cv_basic_types[T_BOOL64], 4)->symt;
197 cv_basic_types[T_32PREAL32] = &symt_new_pointer(module, cv_basic_types[T_REAL32], 4)->symt;
198 cv_basic_types[T_32PREAL64] = &symt_new_pointer(module, cv_basic_types[T_REAL64], 4)->symt;
199 cv_basic_types[T_32PREAL80] = &symt_new_pointer(module, cv_basic_types[T_REAL80], 4)->symt;
200 cv_basic_types[T_32PRCHAR] = &symt_new_pointer(module, cv_basic_types[T_RCHAR], 4)->symt;
201 cv_basic_types[T_32PWCHAR] = &symt_new_pointer(module, cv_basic_types[T_WCHAR], 4)->symt;
202 cv_basic_types[T_32PINT2] = &symt_new_pointer(module, cv_basic_types[T_INT2], 4)->symt;
203 cv_basic_types[T_32PUINT2] = &symt_new_pointer(module, cv_basic_types[T_UINT2], 4)->symt;
204 cv_basic_types[T_32PINT4] = &symt_new_pointer(module, cv_basic_types[T_INT4], 4)->symt;
205 cv_basic_types[T_32PUINT4] = &symt_new_pointer(module, cv_basic_types[T_UINT4], 4)->symt;
206 cv_basic_types[T_32PINT8] = &symt_new_pointer(module, cv_basic_types[T_INT8], 4)->symt;
207 cv_basic_types[T_32PUINT8] = &symt_new_pointer(module, cv_basic_types[T_UINT8], 4)->symt;
208 cv_basic_types[T_32PHRESULT]= &symt_new_pointer(module, cv_basic_types[T_HRESULT], 4)->symt;
209
210 cv_basic_types[T_64PVOID] = &symt_new_pointer(module, cv_basic_types[T_VOID], 8)->symt;
211 cv_basic_types[T_64PCHAR] = &symt_new_pointer(module, cv_basic_types[T_CHAR], 8)->symt;
212 cv_basic_types[T_64PSHORT] = &symt_new_pointer(module, cv_basic_types[T_SHORT], 8)->symt;
213 cv_basic_types[T_64PLONG] = &symt_new_pointer(module, cv_basic_types[T_LONG], 8)->symt;
214 cv_basic_types[T_64PQUAD] = &symt_new_pointer(module, cv_basic_types[T_QUAD], 8)->symt;
215 cv_basic_types[T_64PUCHAR] = &symt_new_pointer(module, cv_basic_types[T_UCHAR], 8)->symt;
216 cv_basic_types[T_64PUSHORT] = &symt_new_pointer(module, cv_basic_types[T_USHORT], 8)->symt;
217 cv_basic_types[T_64PULONG] = &symt_new_pointer(module, cv_basic_types[T_ULONG], 8)->symt;
218 cv_basic_types[T_64PUQUAD] = &symt_new_pointer(module, cv_basic_types[T_UQUAD], 8)->symt;
219 cv_basic_types[T_64PBOOL08] = &symt_new_pointer(module, cv_basic_types[T_BOOL08], 8)->symt;
220 cv_basic_types[T_64PBOOL16] = &symt_new_pointer(module, cv_basic_types[T_BOOL16], 8)->symt;
221 cv_basic_types[T_64PBOOL32] = &symt_new_pointer(module, cv_basic_types[T_BOOL32], 8)->symt;
222 cv_basic_types[T_64PBOOL64] = &symt_new_pointer(module, cv_basic_types[T_BOOL64], 8)->symt;
223 cv_basic_types[T_64PREAL32] = &symt_new_pointer(module, cv_basic_types[T_REAL32], 8)->symt;
224 cv_basic_types[T_64PREAL64] = &symt_new_pointer(module, cv_basic_types[T_REAL64], 8)->symt;
225 cv_basic_types[T_64PREAL80] = &symt_new_pointer(module, cv_basic_types[T_REAL80], 8)->symt;
226 cv_basic_types[T_64PRCHAR] = &symt_new_pointer(module, cv_basic_types[T_RCHAR], 8)->symt;
227 cv_basic_types[T_64PWCHAR] = &symt_new_pointer(module, cv_basic_types[T_WCHAR], 8)->symt;
228 cv_basic_types[T_64PINT2] = &symt_new_pointer(module, cv_basic_types[T_INT2], 8)->symt;
229 cv_basic_types[T_64PUINT2] = &symt_new_pointer(module, cv_basic_types[T_UINT2], 8)->symt;
230 cv_basic_types[T_64PINT4] = &symt_new_pointer(module, cv_basic_types[T_INT4], 8)->symt;
231 cv_basic_types[T_64PUINT4] = &symt_new_pointer(module, cv_basic_types[T_UINT4], 8)->symt;
232 cv_basic_types[T_64PINT8] = &symt_new_pointer(module, cv_basic_types[T_INT8], 8)->symt;
233 cv_basic_types[T_64PUINT8] = &symt_new_pointer(module, cv_basic_types[T_UINT8], 8)->symt;
234 cv_basic_types[T_64PHRESULT]= &symt_new_pointer(module, cv_basic_types[T_HRESULT], 8)->symt;
235 }
236
237 static int leaf_as_variant(VARIANT* v, const unsigned short int* leaf)
238 {
239 unsigned short int type = *leaf++;
240 int length = 2;
241
242 if (type < LF_NUMERIC)
243 {
244 v->n1.n2.vt = VT_UINT;
245 v->n1.n2.n3.uintVal = type;
246 }
247 else
248 {
249 switch (type)
250 {
251 case LF_CHAR:
252 length += 1;
253 v->n1.n2.vt = VT_I1;
254 v->n1.n2.n3.cVal = *(const char*)leaf;
255 break;
256
257 case LF_SHORT:
258 length += 2;
259 v->n1.n2.vt = VT_I2;
260 v->n1.n2.n3.iVal = *(const short*)leaf;
261 break;
262
263 case LF_USHORT:
264 length += 2;
265 v->n1.n2.vt = VT_UI2;
266 v->n1.n2.n3.uiVal = *leaf;
267 break;
268
269 case LF_LONG:
270 length += 4;
271 v->n1.n2.vt = VT_I4;
272 v->n1.n2.n3.lVal = *(const int*)leaf;
273 break;
274
275 case LF_ULONG:
276 length += 4;
277 v->n1.n2.vt = VT_UI4;
278 v->n1.n2.n3.uiVal = *(const unsigned int*)leaf;
279 break;
280
281 case LF_QUADWORD:
282 length += 8;
283 v->n1.n2.vt = VT_I8;
284 v->n1.n2.n3.llVal = *(const long long int*)leaf;
285 break;
286
287 case LF_UQUADWORD:
288 length += 8;
289 v->n1.n2.vt = VT_UI8;
290 v->n1.n2.n3.ullVal = *(const long long unsigned int*)leaf;
291 break;
292
293 case LF_REAL32:
294 length += 4;
295 v->n1.n2.vt = VT_R4;
296 v->n1.n2.n3.fltVal = *(const float*)leaf;
297 break;
298
299 case LF_REAL48:
300 FIXME("Unsupported numeric leaf type %04x\n", type);
301 length += 6;
302 v->n1.n2.vt = VT_EMPTY; /* FIXME */
303 break;
304
305 case LF_REAL64:
306 length += 8;
307 v->n1.n2.vt = VT_R8;
308 v->n1.n2.n3.fltVal = *(const double*)leaf;
309 break;
310
311 case LF_REAL80:
312 FIXME("Unsupported numeric leaf type %04x\n", type);
313 length += 10;
314 v->n1.n2.vt = VT_EMPTY; /* FIXME */
315 break;
316
317 case LF_REAL128:
318 FIXME("Unsupported numeric leaf type %04x\n", type);
319 length += 16;
320 v->n1.n2.vt = VT_EMPTY; /* FIXME */
321 break;
322
323 case LF_COMPLEX32:
324 FIXME("Unsupported numeric leaf type %04x\n", type);
325 length += 4;
326 v->n1.n2.vt = VT_EMPTY; /* FIXME */
327 break;
328
329 case LF_COMPLEX64:
330 FIXME("Unsupported numeric leaf type %04x\n", type);
331 length += 8;
332 v->n1.n2.vt = VT_EMPTY; /* FIXME */
333 break;
334
335 case LF_COMPLEX80:
336 FIXME("Unsupported numeric leaf type %04x\n", type);
337 length += 10;
338 v->n1.n2.vt = VT_EMPTY; /* FIXME */
339 break;
340
341 case LF_COMPLEX128:
342 FIXME("Unsupported numeric leaf type %04x\n", type);
343 length += 16;
344 v->n1.n2.vt = VT_EMPTY; /* FIXME */
345 break;
346
347 case LF_VARSTRING:
348 FIXME("Unsupported numeric leaf type %04x\n", type);
349 length += 2 + *leaf;
350 v->n1.n2.vt = VT_EMPTY; /* FIXME */
351 break;
352
353 default:
354 FIXME("Unknown numeric leaf type %04x\n", type);
355 v->n1.n2.vt = VT_EMPTY; /* FIXME */
356 break;
357 }
358 }
359
360 return length;
361 }
362
363 static int numeric_leaf(int* value, const unsigned short int* leaf)
364 {
365 unsigned short int type = *leaf++;
366 int length = 2;
367
368 if (type < LF_NUMERIC)
369 {
370 *value = type;
371 }
372 else
373 {
374 switch (type)
375 {
376 case LF_CHAR:
377 length += 1;
378 *value = *(const char*)leaf;
379 break;
380
381 case LF_SHORT:
382 length += 2;
383 *value = *(const short*)leaf;
384 break;
385
386 case LF_USHORT:
387 length += 2;
388 *value = *leaf;
389 break;
390
391 case LF_LONG:
392 length += 4;
393 *value = *(const int*)leaf;
394 break;
395
396 case LF_ULONG:
397 length += 4;
398 *value = *(const unsigned int*)leaf;
399 break;
400
401 case LF_QUADWORD:
402 case LF_UQUADWORD:
403 FIXME("Unsupported numeric leaf type %04x\n", type);
404 length += 8;
405 *value = 0; /* FIXME */
406 break;
407
408 case LF_REAL32:
409 FIXME("Unsupported numeric leaf type %04x\n", type);
410 length += 4;
411 *value = 0; /* FIXME */
412 break;
413
414 case LF_REAL48:
415 FIXME("Unsupported numeric leaf type %04x\n", type);
416 length += 6;
417 *value = 0; /* FIXME */
418 break;
419
420 case LF_REAL64:
421 FIXME("Unsupported numeric leaf type %04x\n", type);
422 length += 8;
423 *value = 0; /* FIXME */
424 break;
425
426 case LF_REAL80:
427 FIXME("Unsupported numeric leaf type %04x\n", type);
428 length += 10;
429 *value = 0; /* FIXME */
430 break;
431
432 case LF_REAL128:
433 FIXME("Unsupported numeric leaf type %04x\n", type);
434 length += 16;
435 *value = 0; /* FIXME */
436 break;
437
438 case LF_COMPLEX32:
439 FIXME("Unsupported numeric leaf type %04x\n", type);
440 length += 4;
441 *value = 0; /* FIXME */
442 break;
443
444 case LF_COMPLEX64:
445 FIXME("Unsupported numeric leaf type %04x\n", type);
446 length += 8;
447 *value = 0; /* FIXME */
448 break;
449
450 case LF_COMPLEX80:
451 FIXME("Unsupported numeric leaf type %04x\n", type);
452 length += 10;
453 *value = 0; /* FIXME */
454 break;
455
456 case LF_COMPLEX128:
457 FIXME("Unsupported numeric leaf type %04x\n", type);
458 length += 16;
459 *value = 0; /* FIXME */
460 break;
461
462 case LF_VARSTRING:
463 FIXME("Unsupported numeric leaf type %04x\n", type);
464 length += 2 + *leaf;
465 *value = 0; /* FIXME */
466 break;
467
468 default:
469 FIXME("Unknown numeric leaf type %04x\n", type);
470 *value = 0;
471 break;
472 }
473 }
474
475 return length;
476 }
477
478 /* convert a pascal string (as stored in debug information) into
479 * a C string (null terminated).
480 */
481 static const char* terminate_string(const struct p_string* p_name)
482 {
483 static char symname[256];
484
485 memcpy(symname, p_name->name, p_name->namelen);
486 symname[p_name->namelen] = '\0';
487
488 return (!*symname || strcmp(symname, "__unnamed") == 0) ? NULL : symname;
489 }
490
491 static struct symt* codeview_get_type(unsigned int typeno, BOOL quiet)
492 {
493 struct symt* symt = NULL;
494
495 /*
496 * Convert Codeview type numbers into something we can grok internally.
497 * Numbers < FIRST_DEFINABLE_TYPE are all fixed builtin types.
498 * Numbers from FIRST_DEFINABLE_TYPE and up are all user defined (structs, etc).
499 */
500 if (typeno < FIRST_DEFINABLE_TYPE)
501 {
502 if (typeno < MAX_BUILTIN_TYPES)
503 symt = cv_basic_types[typeno];
504 }
505 else
506 {
507 unsigned mod_index = typeno >> 24;
508 unsigned mod_typeno = typeno & 0x00FFFFFF;
509 struct cv_defined_module* mod;
510
511 mod = (mod_index == 0) ? cv_current_module : &cv_zmodules[mod_index];
512
513 if (mod_index >= CV_MAX_MODULES || !mod->allowed)
514 FIXME("Module of index %d isn't loaded yet (%x)\n", mod_index, typeno);
515 else
516 {
517 if (mod_typeno - FIRST_DEFINABLE_TYPE < mod->num_defined_types)
518 symt = mod->defined_types[mod_typeno - FIRST_DEFINABLE_TYPE];
519 }
520 }
521 if (!quiet && !symt && typeno) FIXME("Returning NULL symt for type-id %x\n", typeno);
522 return symt;
523 }
524
525 struct codeview_type_parse
526 {
527 struct module* module;
528 const BYTE* table;
529 const DWORD* offset;
530 DWORD num;
531 };
532
533 static inline const void* codeview_jump_to_type(const struct codeview_type_parse* ctp, DWORD idx)
534 {
535 if (idx < FIRST_DEFINABLE_TYPE) return NULL;
536 idx -= FIRST_DEFINABLE_TYPE;
537 return (idx >= ctp->num) ? NULL : (ctp->table + ctp->offset[idx]);
538 }
539
540 static int codeview_add_type(unsigned int typeno, struct symt* dt)
541 {
542 if (typeno < FIRST_DEFINABLE_TYPE)
543 FIXME("What the heck\n");
544 if (!cv_current_module)
545 {
546 FIXME("Adding %x to non allowed module\n", typeno);
547 return FALSE;
548 }
549 if ((typeno >> 24) != 0)
550 FIXME("No module index while inserting type-id assumption is wrong %x\n",
551 typeno);
552 if (typeno - FIRST_DEFINABLE_TYPE >= cv_current_module->num_defined_types)
553 {
554 if (cv_current_module->defined_types)
555 {
556 cv_current_module->num_defined_types = max( cv_current_module->num_defined_types * 2,
557 typeno - FIRST_DEFINABLE_TYPE + 1 );
558 cv_current_module->defined_types = HeapReAlloc(GetProcessHeap(),
559 HEAP_ZERO_MEMORY, cv_current_module->defined_types,
560 cv_current_module->num_defined_types * sizeof(struct symt*));
561 }
562 else
563 {
564 cv_current_module->num_defined_types = max( 256, typeno - FIRST_DEFINABLE_TYPE + 1 );
565 cv_current_module->defined_types = HeapAlloc(GetProcessHeap(),
566 HEAP_ZERO_MEMORY,
567 cv_current_module->num_defined_types * sizeof(struct symt*));
568 }
569 if (cv_current_module->defined_types == NULL) return FALSE;
570 }
571 if (cv_current_module->defined_types[typeno - FIRST_DEFINABLE_TYPE])
572 {
573 if (cv_current_module->defined_types[typeno - FIRST_DEFINABLE_TYPE] != dt)
574 FIXME("Overwriting at %x\n", typeno);
575 }
576 cv_current_module->defined_types[typeno - FIRST_DEFINABLE_TYPE] = dt;
577 return TRUE;
578 }
579
580 static void codeview_clear_type_table(void)
581 {
582 int i;
583
584 for (i = 0; i < CV_MAX_MODULES; i++)
585 {
586 if (cv_zmodules[i].allowed)
587 HeapFree(GetProcessHeap(), 0, cv_zmodules[i].defined_types);
588 cv_zmodules[i].allowed = FALSE;
589 cv_zmodules[i].defined_types = NULL;
590 cv_zmodules[i].num_defined_types = 0;
591 }
592 cv_current_module = NULL;
593 }
594
595 static struct symt* codeview_parse_one_type(struct codeview_type_parse* ctp,
596 unsigned curr_type,
597 const union codeview_type* type, BOOL details);
598
599 static void* codeview_cast_symt(struct symt* symt, enum SymTagEnum tag)
600 {
601 if (symt->tag != tag)
602 {
603 FIXME("Bad tag. Expected %d, but got %d\n", tag, symt->tag);
604 return NULL;
605 }
606 return symt;
607 }
608
609 static struct symt* codeview_fetch_type(struct codeview_type_parse* ctp,
610 unsigned typeno, BOOL details)
611 {
612 struct symt* symt;
613 const union codeview_type* p;
614
615 if (!typeno) return NULL;
616 if ((symt = codeview_get_type(typeno, TRUE))) return symt;
617
618 /* forward declaration */
619 if (!(p = codeview_jump_to_type(ctp, typeno)))
620 {
621 FIXME("Cannot locate type %x\n", typeno);
622 return NULL;
623 }
624 symt = codeview_parse_one_type(ctp, typeno, p, details);
625 if (!symt) FIXME("Couldn't load forward type %x\n", typeno);
626 return symt;
627 }
628
629 static struct symt* codeview_add_type_pointer(struct codeview_type_parse* ctp,
630 struct symt* existing,
631 unsigned int pointee_type)
632 {
633 struct symt* pointee;
634
635 if (existing)
636 {
637 existing = codeview_cast_symt(existing, SymTagPointerType);
638 return existing;
639 }
640 pointee = codeview_fetch_type(ctp, pointee_type, FALSE);
641 return &symt_new_pointer(ctp->module, pointee, sizeof(void *))->symt;
642 }
643
644 static struct symt* codeview_add_type_array(struct codeview_type_parse* ctp,
645 const char* name,
646 unsigned int elemtype,
647 unsigned int indextype,
648 unsigned int arr_len)
649 {
650 struct symt* elem = codeview_fetch_type(ctp, elemtype, FALSE);
651 struct symt* index = codeview_fetch_type(ctp, indextype, FALSE);
652
653 return &symt_new_array(ctp->module, 0, -arr_len, elem, index)->symt;
654 }
655
656 static int codeview_add_type_enum_field_list(struct module* module,
657 struct symt_enum* symt,
658 const union codeview_reftype* ref_type)
659 {
660 const unsigned char* ptr = ref_type->fieldlist.list;
661 const unsigned char* last = (const BYTE*)ref_type + ref_type->generic.len + 2;
662 const union codeview_fieldtype* type;
663
664 while (ptr < last)
665 {
666 if (*ptr >= 0xf0) /* LF_PAD... */
667 {
668 ptr += *ptr & 0x0f;
669 continue;
670 }
671
672 type = (const union codeview_fieldtype*)ptr;
673
674 switch (type->generic.id)
675 {
676 case LF_ENUMERATE_V1:
677 {
678 int value, vlen = numeric_leaf(&value, &type->enumerate_v1.value);
679 const struct p_string* p_name = (const struct p_string*)((const unsigned char*)&type->enumerate_v1.value + vlen);
680
681 symt_add_enum_element(module, symt, terminate_string(p_name), value);
682 ptr += 2 + 2 + vlen + (1 + p_name->namelen);
683 break;
684 }
685 case LF_ENUMERATE_V3:
686 {
687 int value, vlen = numeric_leaf(&value, &type->enumerate_v3.value);
688 const char* name = (const char*)&type->enumerate_v3.value + vlen;
689
690 symt_add_enum_element(module, symt, name, value);
691 ptr += 2 + 2 + vlen + (1 + strlen(name));
692 break;
693 }
694
695 default:
696 FIXME("Unsupported type %04x in ENUM field list\n", type->generic.id);
697 return FALSE;
698 }
699 }
700 return TRUE;
701 }
702
703 static void codeview_add_udt_element(struct codeview_type_parse* ctp,
704 struct symt_udt* symt, const char* name,
705 int value, unsigned type)
706 {
707 struct symt* subtype;
708 const union codeview_reftype*cv_type;
709
710 if ((cv_type = codeview_jump_to_type(ctp, type)))
711 {
712 switch (cv_type->generic.id)
713 {
714 case LF_BITFIELD_V1:
715 symt_add_udt_element(ctp->module, symt, name,
716 codeview_fetch_type(ctp, cv_type->bitfield_v1.type, FALSE),
717 (value << 3) + cv_type->bitfield_v1.bitoff,
718 cv_type->bitfield_v1.nbits);
719 return;
720 case LF_BITFIELD_V2:
721 symt_add_udt_element(ctp->module, symt, name,
722 codeview_fetch_type(ctp, cv_type->bitfield_v2.type, FALSE),
723 (value << 3) + cv_type->bitfield_v2.bitoff,
724 cv_type->bitfield_v2.nbits);
725 return;
726 }
727 }
728 subtype = codeview_fetch_type(ctp, type, FALSE);
729
730 if (subtype)
731 {
732 DWORD64 elem_size = 0;
733 symt_get_info(ctp->module, subtype, TI_GET_LENGTH, &elem_size);
734 symt_add_udt_element(ctp->module, symt, name, subtype,
735 value << 3, (DWORD)elem_size << 3);
736 }
737 }
738
739 static int codeview_add_type_struct_field_list(struct codeview_type_parse* ctp,
740 struct symt_udt* symt,
741 unsigned fieldlistno)
742 {
743 const unsigned char* ptr;
744 const unsigned char* last;
745 int value, leaf_len;
746 const struct p_string* p_name;
747 const char* c_name;
748 const union codeview_reftype*type_ref;
749 const union codeview_fieldtype* type;
750
751 if (!fieldlistno) return TRUE;
752 type_ref = codeview_jump_to_type(ctp, fieldlistno);
753 ptr = type_ref->fieldlist.list;
754 last = (const BYTE*)type_ref + type_ref->generic.len + 2;
755
756 while (ptr < last)
757 {
758 if (*ptr >= 0xf0) /* LF_PAD... */
759 {
760 ptr += *ptr & 0x0f;
761 continue;
762 }
763
764 type = (const union codeview_fieldtype*)ptr;
765
766 switch (type->generic.id)
767 {
768 case LF_BCLASS_V1:
769 leaf_len = numeric_leaf(&value, &type->bclass_v1.offset);
770
771 /* FIXME: ignored for now */
772
773 ptr += 2 + 2 + 2 + leaf_len;
774 break;
775
776 case LF_BCLASS_V2:
777 leaf_len = numeric_leaf(&value, &type->bclass_v2.offset);
778
779 /* FIXME: ignored for now */
780
781 ptr += 2 + 2 + 4 + leaf_len;
782 break;
783
784 case LF_VBCLASS_V1:
785 case LF_IVBCLASS_V1:
786 {
787 const unsigned short int* p_vboff;
788 int vpoff, vplen;
789 leaf_len = numeric_leaf(&value, &type->vbclass_v1.vbpoff);
790 p_vboff = (const unsigned short int*)((const char*)&type->vbclass_v1.vbpoff + leaf_len);
791 vplen = numeric_leaf(&vpoff, p_vboff);
792
793 /* FIXME: ignored for now */
794
795 ptr += 2 + 2 + 2 + 2 + leaf_len + vplen;
796 }
797 break;
798
799 case LF_VBCLASS_V2:
800 case LF_IVBCLASS_V2:
801 {
802 const unsigned short int* p_vboff;
803 int vpoff, vplen;
804 leaf_len = numeric_leaf(&value, &type->vbclass_v2.vbpoff);
805 p_vboff = (const unsigned short int*)((const char*)&type->vbclass_v2.vbpoff + leaf_len);
806 vplen = numeric_leaf(&vpoff, p_vboff);
807
808 /* FIXME: ignored for now */
809
810 ptr += 2 + 2 + 4 + 4 + leaf_len + vplen;
811 }
812 break;
813
814 case LF_MEMBER_V1:
815 leaf_len = numeric_leaf(&value, &type->member_v1.offset);
816 p_name = (const struct p_string*)((const char*)&type->member_v1.offset + leaf_len);
817
818 codeview_add_udt_element(ctp, symt, terminate_string(p_name), value,
819 type->member_v1.type);
820
821 ptr += 2 + 2 + 2 + leaf_len + (1 + p_name->namelen);
822 break;
823
824 case LF_MEMBER_V2:
825 leaf_len = numeric_leaf(&value, &type->member_v2.offset);
826 p_name = (const struct p_string*)((const unsigned char*)&type->member_v2.offset + leaf_len);
827
828 codeview_add_udt_element(ctp, symt, terminate_string(p_name), value,
829 type->member_v2.type);
830
831 ptr += 2 + 2 + 4 + leaf_len + (1 + p_name->namelen);
832 break;
833
834 case LF_MEMBER_V3:
835 leaf_len = numeric_leaf(&value, &type->member_v3.offset);
836 c_name = (const char*)&type->member_v3.offset + leaf_len;
837
838 codeview_add_udt_element(ctp, symt, c_name, value, type->member_v3.type);
839
840 ptr += 2 + 2 + 4 + leaf_len + (strlen(c_name) + 1);
841 break;
842
843 case LF_STMEMBER_V1:
844 /* FIXME: ignored for now */
845 ptr += 2 + 2 + 2 + (1 + type->stmember_v1.p_name.namelen);
846 break;
847
848 case LF_STMEMBER_V2:
849 /* FIXME: ignored for now */
850 ptr += 2 + 4 + 2 + (1 + type->stmember_v2.p_name.namelen);
851 break;
852
853 case LF_STMEMBER_V3:
854 /* FIXME: ignored for now */
855 ptr += 2 + 4 + 2 + (strlen(type->stmember_v3.name) + 1);
856 break;
857
858 case LF_METHOD_V1:
859 /* FIXME: ignored for now */
860 ptr += 2 + 2 + 2 + (1 + type->method_v1.p_name.namelen);
861 break;
862
863 case LF_METHOD_V2:
864 /* FIXME: ignored for now */
865 ptr += 2 + 2 + 4 + (1 + type->method_v2.p_name.namelen);
866 break;
867
868 case LF_METHOD_V3:
869 /* FIXME: ignored for now */
870 ptr += 2 + 2 + 4 + (strlen(type->method_v3.name) + 1);
871 break;
872
873 case LF_NESTTYPE_V1:
874 /* FIXME: ignored for now */
875 ptr += 2 + 2 + (1 + type->nesttype_v1.p_name.namelen);
876 break;
877
878 case LF_NESTTYPE_V2:
879 /* FIXME: ignored for now */
880 ptr += 2 + 2 + 4 + (1 + type->nesttype_v2.p_name.namelen);
881 break;
882
883 case LF_NESTTYPE_V3:
884 /* FIXME: ignored for now */
885 ptr += 2 + 2 + 4 + (strlen(type->nesttype_v3.name) + 1);
886 break;
887
888 case LF_VFUNCTAB_V1:
889 /* FIXME: ignored for now */
890 ptr += 2 + 2;
891 break;
892
893 case LF_VFUNCTAB_V2:
894 /* FIXME: ignored for now */
895 ptr += 2 + 2 + 4;
896 break;
897
898 case LF_ONEMETHOD_V1:
899 /* FIXME: ignored for now */
900 switch ((type->onemethod_v1.attribute >> 2) & 7)
901 {
902 case 4: case 6: /* (pure) introducing virtual method */
903 ptr += 2 + 2 + 2 + 4 + (1 + type->onemethod_virt_v1.p_name.namelen);
904 break;
905
906 default:
907 ptr += 2 + 2 + 2 + (1 + type->onemethod_v1.p_name.namelen);
908 break;
909 }
910 break;
911
912 case LF_ONEMETHOD_V2:
913 /* FIXME: ignored for now */
914 switch ((type->onemethod_v2.attribute >> 2) & 7)
915 {
916 case 4: case 6: /* (pure) introducing virtual method */
917 ptr += 2 + 2 + 4 + 4 + (1 + type->onemethod_virt_v2.p_name.namelen);
918 break;
919
920 default:
921 ptr += 2 + 2 + 4 + (1 + type->onemethod_v2.p_name.namelen);
922 break;
923 }
924 break;
925
926 case LF_ONEMETHOD_V3:
927 /* FIXME: ignored for now */
928 switch ((type->onemethod_v3.attribute >> 2) & 7)
929 {
930 case 4: case 6: /* (pure) introducing virtual method */
931 ptr += 2 + 2 + 4 + 4 + (strlen(type->onemethod_virt_v3.name) + 1);
932 break;
933
934 default:
935 ptr += 2 + 2 + 4 + (strlen(type->onemethod_v3.name) + 1);
936 break;
937 }
938 break;
939
940 default:
941 FIXME("Unsupported type %04x in STRUCT field list\n", type->generic.id);
942 return FALSE;
943 }
944 }
945
946 return TRUE;
947 }
948
949 static struct symt* codeview_add_type_enum(struct codeview_type_parse* ctp,
950 struct symt* existing,
951 const char* name,
952 unsigned fieldlistno,
953 unsigned basetype)
954 {
955 struct symt_enum* symt;
956
957 if (existing)
958 {
959 if (!(symt = codeview_cast_symt(existing, SymTagEnum))) return NULL;
960 /* should also check that all fields are the same */
961 }
962 else
963 {
964 symt = symt_new_enum(ctp->module, name,
965 codeview_fetch_type(ctp, basetype, FALSE));
966 if (fieldlistno)
967 {
968 const union codeview_reftype* fieldlist;
969 fieldlist = codeview_jump_to_type(ctp, fieldlistno);
970 codeview_add_type_enum_field_list(ctp->module, symt, fieldlist);
971 }
972 }
973 return &symt->symt;
974 }
975
976 static struct symt* codeview_add_type_struct(struct codeview_type_parse* ctp,
977 struct symt* existing,
978 const char* name, int structlen,
979 enum UdtKind kind, unsigned property)
980 {
981 struct symt_udt* symt;
982
983 /* if we don't have an existing type, try to find one with same name
984 * FIXME: what to do when several types in different CUs have same name ?
985 */
986 if (!existing)
987 {
988 void* ptr;
989 struct symt_ht* type;
990 struct hash_table_iter hti;
991
992 hash_table_iter_init(&ctp->module->ht_types, &hti, name);
993 while ((ptr = hash_table_iter_up(&hti)))
994 {
995 type = GET_ENTRY(ptr, struct symt_ht, hash_elt);
996
997 if (type->symt.tag == SymTagUDT &&
998 type->hash_elt.name && !strcmp(type->hash_elt.name, name))
999 {
1000 existing = &type->symt;
1001 break;
1002 }
1003 }
1004 }
1005 if (existing)
1006 {
1007 if (!(symt = codeview_cast_symt(existing, SymTagUDT))) return NULL;
1008 /* should also check that all fields are the same */
1009 if (!(property & 0x80)) /* 0x80 = forward declaration */
1010 {
1011 if (!symt->size) /* likely prior forward declaration, set UDT size */
1012 symt_set_udt_size(ctp->module, symt, structlen);
1013 else /* different UDT with same name, create a new type */
1014 existing = NULL;
1015 }
1016 }
1017 if (!existing) symt = symt_new_udt(ctp->module, name, structlen, kind);
1018
1019 return &symt->symt;
1020 }
1021
1022 static struct symt* codeview_new_func_signature(struct codeview_type_parse* ctp,
1023 struct symt* existing,
1024 enum CV_call_e call_conv)
1025 {
1026 struct symt_function_signature* sym;
1027
1028 if (existing)
1029 {
1030 sym = codeview_cast_symt(existing, SymTagFunctionType);
1031 if (!sym) return NULL;
1032 }
1033 else
1034 {
1035 sym = symt_new_function_signature(ctp->module, NULL, call_conv);
1036 }
1037 return &sym->symt;
1038 }
1039
1040 static void codeview_add_func_signature_args(struct codeview_type_parse* ctp,
1041 struct symt_function_signature* sym,
1042 unsigned ret_type,
1043 unsigned args_list)
1044 {
1045 const union codeview_reftype* reftype;
1046
1047 sym->rettype = codeview_fetch_type(ctp, ret_type, FALSE);
1048 if (args_list && (reftype = codeview_jump_to_type(ctp, args_list)))
1049 {
1050 unsigned int i;
1051 switch (reftype->generic.id)
1052 {
1053 case LF_ARGLIST_V1:
1054 for (i = 0; i < reftype->arglist_v1.num; i++)
1055 symt_add_function_signature_parameter(ctp->module, sym,
1056 codeview_fetch_type(ctp, reftype->arglist_v1.args[i], FALSE));
1057 break;
1058 case LF_ARGLIST_V2:
1059 for (i = 0; i < reftype->arglist_v2.num; i++)
1060 symt_add_function_signature_parameter(ctp->module, sym,
1061 codeview_fetch_type(ctp, reftype->arglist_v2.args[i], FALSE));
1062 break;
1063 default:
1064 FIXME("Unexpected leaf %x for signature's pmt\n", reftype->generic.id);
1065 }
1066 }
1067 }
1068
1069 static struct symt* codeview_parse_one_type(struct codeview_type_parse* ctp,
1070 unsigned curr_type,
1071 const union codeview_type* type, BOOL details)
1072 {
1073 struct symt* symt;
1074 int value, leaf_len;
1075 const struct p_string* p_name;
1076 const char* c_name;
1077 struct symt* existing;
1078
1079 existing = codeview_get_type(curr_type, TRUE);
1080
1081 switch (type->generic.id)
1082 {
1083 case LF_MODIFIER_V1:
1084 /* FIXME: we don't handle modifiers,
1085 * but read previous type on the curr_type
1086 */
1087 WARN("Modifier on %x: %s%s%s%s\n",
1088 type->modifier_v1.type,
1089 type->modifier_v1.attribute & 0x01 ? "const " : "",
1090 type->modifier_v1.attribute & 0x02 ? "volatile " : "",
1091 type->modifier_v1.attribute & 0x04 ? "unaligned " : "",
1092 type->modifier_v1.attribute & ~0x07 ? "unknown " : "");
1093 symt = codeview_fetch_type(ctp, type->modifier_v1.type, details);
1094 break;
1095 case LF_MODIFIER_V2:
1096 /* FIXME: we don't handle modifiers, but readd previous type on the curr_type */
1097 WARN("Modifier on %x: %s%s%s%s\n",
1098 type->modifier_v2.type,
1099 type->modifier_v2.attribute & 0x01 ? "const " : "",
1100 type->modifier_v2.attribute & 0x02 ? "volatile " : "",
1101 type->modifier_v2.attribute & 0x04 ? "unaligned " : "",
1102 type->modifier_v2.attribute & ~0x07 ? "unknown " : "");
1103 symt = codeview_fetch_type(ctp, type->modifier_v2.type, details);
1104 break;
1105
1106 case LF_POINTER_V1:
1107 symt = codeview_add_type_pointer(ctp, existing, type->pointer_v1.datatype);
1108 break;
1109 case LF_POINTER_V2:
1110 symt = codeview_add_type_pointer(ctp, existing, type->pointer_v2.datatype);
1111 break;
1112
1113 case LF_ARRAY_V1:
1114 if (existing) symt = codeview_cast_symt(existing, SymTagArrayType);
1115 else
1116 {
1117 leaf_len = numeric_leaf(&value, &type->array_v1.arrlen);
1118 p_name = (const struct p_string*)((const unsigned char*)&type->array_v1.arrlen + leaf_len);
1119 symt = codeview_add_type_array(ctp, terminate_string(p_name),
1120 type->array_v1.elemtype,
1121 type->array_v1.idxtype, value);
1122 }
1123 break;
1124 case LF_ARRAY_V2:
1125 if (existing) symt = codeview_cast_symt(existing, SymTagArrayType);
1126 else
1127 {
1128 leaf_len = numeric_leaf(&value, &type->array_v2.arrlen);
1129 p_name = (const struct p_string*)((const unsigned char*)&type->array_v2.arrlen + leaf_len);
1130
1131 symt = codeview_add_type_array(ctp, terminate_string(p_name),
1132 type->array_v2.elemtype,
1133 type->array_v2.idxtype, value);
1134 }
1135 break;
1136 case LF_ARRAY_V3:
1137 if (existing) symt = codeview_cast_symt(existing, SymTagArrayType);
1138 else
1139 {
1140 leaf_len = numeric_leaf(&value, &type->array_v3.arrlen);
1141 c_name = (const char*)&type->array_v3.arrlen + leaf_len;
1142
1143 symt = codeview_add_type_array(ctp, c_name,
1144 type->array_v3.elemtype,
1145 type->array_v3.idxtype, value);
1146 }
1147 break;
1148
1149 case LF_STRUCTURE_V1:
1150 case LF_CLASS_V1:
1151 leaf_len = numeric_leaf(&value, &type->struct_v1.structlen);
1152 p_name = (const struct p_string*)((const unsigned char*)&type->struct_v1.structlen + leaf_len);
1153 symt = codeview_add_type_struct(ctp, existing, terminate_string(p_name), value,
1154 type->generic.id == LF_CLASS_V1 ? UdtClass : UdtStruct,
1155 type->struct_v1.property);
1156 if (details)
1157 {
1158 codeview_add_type(curr_type, symt);
1159 if (!(type->struct_v1.property & 0x80)) /* 0x80 = forward declaration */
1160 codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
1161 type->struct_v1.fieldlist);
1162 }
1163 break;
1164
1165 case LF_STRUCTURE_V2:
1166 case LF_CLASS_V2:
1167 leaf_len = numeric_leaf(&value, &type->struct_v2.structlen);
1168 p_name = (const struct p_string*)((const unsigned char*)&type->struct_v2.structlen + leaf_len);
1169 symt = codeview_add_type_struct(ctp, existing, terminate_string(p_name), value,
1170 type->generic.id == LF_CLASS_V2 ? UdtClass : UdtStruct,
1171 type->struct_v2.property);
1172 if (details)
1173 {
1174 codeview_add_type(curr_type, symt);
1175 if (!(type->struct_v2.property & 0x80)) /* 0x80 = forward declaration */
1176 codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
1177 type->struct_v2.fieldlist);
1178 }
1179 break;
1180
1181 case LF_STRUCTURE_V3:
1182 case LF_CLASS_V3:
1183 leaf_len = numeric_leaf(&value, &type->struct_v3.structlen);
1184 c_name = (const char*)&type->struct_v3.structlen + leaf_len;
1185 symt = codeview_add_type_struct(ctp, existing, c_name, value,
1186 type->generic.id == LF_CLASS_V3 ? UdtClass : UdtStruct,
1187 type->struct_v3.property);
1188 if (details)
1189 {
1190 codeview_add_type(curr_type, symt);
1191 if (!(type->struct_v3.property & 0x80)) /* 0x80 = forward declaration */
1192 codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
1193 type->struct_v3.fieldlist);
1194 }
1195 break;
1196
1197 case LF_UNION_V1:
1198 leaf_len = numeric_leaf(&value, &type->union_v1.un_len);
1199 p_name = (const struct p_string*)((const unsigned char*)&type->union_v1.un_len + leaf_len);
1200 symt = codeview_add_type_struct(ctp, existing, terminate_string(p_name),
1201 value, UdtUnion, type->union_v1.property);
1202 if (details)
1203 {
1204 codeview_add_type(curr_type, symt);
1205 codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
1206 type->union_v1.fieldlist);
1207 }
1208 break;
1209
1210 case LF_UNION_V2:
1211 leaf_len = numeric_leaf(&value, &type->union_v2.un_len);
1212 p_name = (const struct p_string*)((const unsigned char*)&type->union_v2.un_len + leaf_len);
1213 symt = codeview_add_type_struct(ctp, existing, terminate_string(p_name),
1214 value, UdtUnion, type->union_v2.property);
1215 if (details)
1216 {
1217 codeview_add_type(curr_type, symt);
1218 codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
1219 type->union_v2.fieldlist);
1220 }
1221 break;
1222
1223 case LF_UNION_V3:
1224 leaf_len = numeric_leaf(&value, &type->union_v3.un_len);
1225 c_name = (const char*)&type->union_v3.un_len + leaf_len;
1226 symt = codeview_add_type_struct(ctp, existing, c_name,
1227 value, UdtUnion, type->union_v3.property);
1228 if (details)
1229 {
1230 codeview_add_type(curr_type, symt);
1231 codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
1232 type->union_v3.fieldlist);
1233 }
1234 break;
1235
1236 case LF_ENUM_V1:
1237 symt = codeview_add_type_enum(ctp, existing,
1238 terminate_string(&type->enumeration_v1.p_name),
1239 type->enumeration_v1.fieldlist,
1240 type->enumeration_v1.type);
1241 break;
1242
1243 case LF_ENUM_V2:
1244 symt = codeview_add_type_enum(ctp, existing,
1245 terminate_string(&type->enumeration_v2.p_name),
1246 type->enumeration_v2.fieldlist,
1247 type->enumeration_v2.type);
1248 break;
1249
1250 case LF_ENUM_V3:
1251 symt = codeview_add_type_enum(ctp, existing, type->enumeration_v3.name,
1252 type->enumeration_v3.fieldlist,
1253 type->enumeration_v3.type);
1254 break;
1255
1256 case LF_PROCEDURE_V1:
1257 symt = codeview_new_func_signature(ctp, existing, type->procedure_v1.call);
1258 if (details)
1259 {
1260 codeview_add_type(curr_type, symt);
1261 codeview_add_func_signature_args(ctp,
1262 (struct symt_function_signature*)symt,
1263 type->procedure_v1.rvtype,
1264 type->procedure_v1.arglist);
1265 }
1266 break;
1267 case LF_PROCEDURE_V2:
1268 symt = codeview_new_func_signature(ctp, existing,type->procedure_v2.call);
1269 if (details)
1270 {
1271 codeview_add_type(curr_type, symt);
1272 codeview_add_func_signature_args(ctp,
1273 (struct symt_function_signature*)symt,
1274 type->procedure_v2.rvtype,
1275 type->procedure_v2.arglist);
1276 }
1277 break;
1278
1279 case LF_MFUNCTION_V1:
1280 /* FIXME: for C++, this is plain wrong, but as we don't use arg types
1281 * nor class information, this would just do for now
1282 */
1283 symt = codeview_new_func_signature(ctp, existing, type->mfunction_v1.call);
1284 if (details)
1285 {
1286 codeview_add_type(curr_type, symt);
1287 codeview_add_func_signature_args(ctp,
1288 (struct symt_function_signature*)symt,
1289 type->mfunction_v1.rvtype,
1290 type->mfunction_v1.arglist);
1291 }
1292 break;
1293 case LF_MFUNCTION_V2:
1294 /* FIXME: for C++, this is plain wrong, but as we don't use arg types
1295 * nor class information, this would just do for now
1296 */
1297 symt = codeview_new_func_signature(ctp, existing, type->mfunction_v2.call);
1298 if (details)
1299 {
1300 codeview_add_type(curr_type, symt);
1301 codeview_add_func_signature_args(ctp,
1302 (struct symt_function_signature*)symt,
1303 type->mfunction_v2.rvtype,
1304 type->mfunction_v2.arglist);
1305 }
1306 break;
1307
1308 case LF_VTSHAPE_V1:
1309 /* this is an ugly hack... FIXME when we have C++ support */
1310 if (!(symt = existing))
1311 {
1312 char buf[128];
1313 snprintf(buf, sizeof(buf), "__internal_vt_shape_%x\n", curr_type);
1314 symt = &symt_new_udt(ctp->module, buf, 0, UdtStruct)->symt;
1315 }
1316 break;
1317 default:
1318 FIXME("Unsupported type-id leaf %x\n", type->generic.id);
1319 dump(type, 2 + type->generic.len);
1320 return FALSE;
1321 }
1322 return codeview_add_type(curr_type, symt) ? symt : NULL;
1323 }
1324
1325 static int codeview_parse_type_table(struct codeview_type_parse* ctp)
1326 {
1327 unsigned int curr_type = FIRST_DEFINABLE_TYPE;
1328 const union codeview_type* type;
1329
1330 for (curr_type = FIRST_DEFINABLE_TYPE; curr_type < FIRST_DEFINABLE_TYPE + ctp->num; curr_type++)
1331 {
1332 type = codeview_jump_to_type(ctp, curr_type);
1333
1334 /* type records we're interested in are the ones referenced by symbols
1335 * The known ranges are (X mark the ones we want):
1336 * X 0000-0016 for V1 types
1337 * 0200-020c for V1 types referenced by other types
1338 * 0400-040f for V1 types (complex lists & sets)
1339 * X 1000-100f for V2 types
1340 * 1200-120c for V2 types referenced by other types
1341 * 1400-140f for V1 types (complex lists & sets)
1342 * X 1500-150d for V3 types
1343 * 8000-8010 for numeric leafes
1344 */
1345 if (!(type->generic.id & 0x8600) || (type->generic.id & 0x0100))
1346 codeview_parse_one_type(ctp, curr_type, type, TRUE);
1347 }
1348
1349 return TRUE;
1350 }
1351
1352 /*========================================================================
1353 * Process CodeView line number information.
1354 */
1355 static unsigned long codeview_get_address(const struct msc_debug_info* msc_dbg,
1356 unsigned seg, unsigned offset);
1357
1358 static void codeview_snarf_linetab(const struct msc_debug_info* msc_dbg, const BYTE* linetab,
1359 int size, BOOL pascal_str)
1360 {
1361 const BYTE* ptr = linetab;
1362 int nfile, nseg;
1363 int i, j, k;
1364 const unsigned int* filetab;
1365 const unsigned int* lt_ptr;
1366 const unsigned short* linenos;
1367 const struct startend* start;
1368 unsigned source;
1369 unsigned long addr, func_addr0;
1370 struct symt_function* func;
1371 const struct codeview_linetab_block* ltb;
1372
1373 nfile = *(const short*)linetab;
1374 filetab = (const unsigned int*)(linetab + 2 * sizeof(short));
1375
1376 for (i = 0; i < nfile; i++)
1377 {
1378 ptr = linetab + filetab[i];
1379 nseg = *(const short*)ptr;
1380 lt_ptr = (const unsigned int*)(ptr + 2 * sizeof(short));
1381 start = (const struct startend*)(lt_ptr + nseg);
1382
1383 /*
1384 * Now snarf the filename for all of the segments for this file.
1385 */
1386 if (pascal_str)
1387 source = source_new(msc_dbg->module, NULL, terminate_string((const struct p_string*)(start + nseg)));
1388 else
1389 source = source_new(msc_dbg->module, NULL, (const char*)(start + nseg));
1390
1391 for (j = 0; j < nseg; j++)
1392 {
1393 ltb = (const struct codeview_linetab_block*)(linetab + *lt_ptr++);
1394 linenos = (const unsigned short*)&ltb->offsets[ltb->num_lines];
1395 func_addr0 = codeview_get_address(msc_dbg, ltb->seg, start[j].start);
1396 if (!func_addr0) continue;
1397 for (func = NULL, k = 0; k < ltb->num_lines; k++)
1398 {
1399 /* now locate function (if any) */
1400 addr = func_addr0 + ltb->offsets[k] - start[j].start;
1401 /* unfortunately, we can have several functions in the same block, if there's no
1402 * gap between them... find the new function if needed
1403 */
1404 if (!func || addr >= func->address + func->size)
1405 {
1406 func = (struct symt_function*)symt_find_nearest(msc_dbg->module, addr);
1407 /* FIXME: at least labels support line numbers */
1408 if (!func || func->symt.tag != SymTagFunction)
1409 {
1410 WARN("--not a func at %04x:%08x %lx tag=%d\n",
1411 ltb->seg, ltb->offsets[k], addr, func ? func->symt.tag : -1);
1412 func = NULL;
1413 break;
1414 }
1415 }
1416 symt_add_func_line(msc_dbg->module, func, source,
1417 linenos[k], addr - func->address);
1418 }
1419 }
1420 }
1421 }
1422
1423 static void codeview_snarf_linetab2(const struct msc_debug_info* msc_dbg, const BYTE* linetab, DWORD size,
1424 const char* strimage, DWORD strsize)
1425 {
1426 unsigned i;
1427 DWORD_PTR addr;
1428 const struct codeview_linetab2* lt2;
1429 const struct codeview_linetab2* lt2_files = NULL;
1430 const struct codeview_lt2blk_lines* lines_blk;
1431 const struct codeview_linetab2_file*fd;
1432 unsigned source;
1433 struct symt_function* func;
1434
1435 /* locate LT2_FILES_BLOCK (if any) */
1436 lt2 = (const struct codeview_linetab2*)linetab;
1437 while ((const BYTE*)(lt2 + 1) < linetab + size)
1438 {
1439 if (lt2->header == LT2_FILES_BLOCK)
1440 {
1441 lt2_files = lt2;
1442 break;
1443 }
1444 lt2 = codeview_linetab2_next_block(lt2);
1445 }
1446 if (!lt2_files)
1447 {
1448 TRACE("No LT2_FILES_BLOCK found\n");
1449 return;
1450 }
1451
1452 lt2 = (const struct codeview_linetab2*)linetab;
1453 while ((const BYTE*)(lt2 + 1) < linetab + size)
1454 {
1455 /* FIXME: should also check that whole lines_blk fits in linetab + size */
1456 switch (lt2->header)
1457 {
1458 case LT2_LINES_BLOCK:
1459 /* Skip blocks that are too small - Intel C Compiler generates these. */
1460 if (lt2->size_of_block < sizeof (struct codeview_lt2blk_lines)) break;
1461 lines_blk = (const struct codeview_lt2blk_lines*)lt2;
1462 /* FIXME: should check that file_offset is within the LT2_FILES_BLOCK we've seen */
1463 addr = codeview_get_address(msc_dbg, lines_blk->seg, lines_blk->start);
1464 TRACE("block from %04x:%08x #%x (%x lines)\n",
1465 lines_blk->seg, lines_blk->start, lines_blk->size, lines_blk->nlines);
1466 fd = (const struct codeview_linetab2_file*)((const char*)lt2_files + 8 + lines_blk->file_offset);
1467 /* FIXME: should check that string is within strimage + strsize */
1468 source = source_new(msc_dbg->module, NULL, strimage + fd->offset);
1469 func = (struct symt_function*)symt_find_nearest(msc_dbg->module, addr);
1470 /* FIXME: at least labels support line numbers */
1471 if (!func || func->symt.tag != SymTagFunction)
1472 {
1473 WARN("--not a func at %04x:%08x %lx tag=%d\n",
1474 lines_blk->seg, lines_blk->start, addr, func ? func->symt.tag : -1);
1475 break;
1476 }
1477 for (i = 0; i < lines_blk->nlines; i++)
1478 {
1479 symt_add_func_line(msc_dbg->module, func, source,
1480 lines_blk->l[i].lineno ^ 0x80000000,
1481 lines_blk->l[i].offset);
1482 }
1483 break;
1484 case LT2_FILES_BLOCK: /* skip */
1485 break;
1486 default:
1487 TRACE("Block end %x\n", lt2->header);
1488 lt2 = (const struct codeview_linetab2*)((const char*)linetab + size);
1489 continue;
1490 }
1491 lt2 = codeview_linetab2_next_block(lt2);
1492 }
1493 }
1494
1495 /*========================================================================
1496 * Process CodeView symbol information.
1497 */
1498
1499 static unsigned int codeview_map_offset(const struct msc_debug_info* msc_dbg,
1500 unsigned int offset)
1501 {
1502 int nomap = msc_dbg->nomap;
1503 const OMAP_DATA* omapp = msc_dbg->omapp;
1504 int i;
1505
1506 if (!nomap || !omapp) return offset;
1507
1508 /* FIXME: use binary search */
1509 for (i = 0; i < nomap - 1; i++)
1510 if (omapp[i].from <= offset && omapp[i+1].from > offset)
1511 return !omapp[i].to ? 0 : omapp[i].to + (offset - omapp[i].from);
1512
1513 return 0;
1514 }
1515
1516 static unsigned long codeview_get_address(const struct msc_debug_info* msc_dbg,
1517 unsigned seg, unsigned offset)
1518 {
1519 int nsect = msc_dbg->nsect;
1520 const IMAGE_SECTION_HEADER* sectp = msc_dbg->sectp;
1521
1522 if (!seg || seg > nsect) return 0;
1523 return msc_dbg->module->module.BaseOfImage +
1524 codeview_map_offset(msc_dbg, sectp[seg-1].VirtualAddress + offset);
1525 }
1526
1527 static inline void codeview_add_variable(const struct msc_debug_info* msc_dbg,
1528 struct symt_compiland* compiland,
1529 const char* name,
1530 unsigned segment, unsigned offset,
1531 unsigned symtype, BOOL is_local, BOOL in_tls, BOOL force)
1532 {
1533 if (name && *name)
1534 {
1535 struct location loc;
1536
1537 loc.kind = in_tls ? loc_tlsrel : loc_absolute;
1538 loc.reg = 0;
1539 loc.offset = in_tls ? offset : codeview_get_address(msc_dbg, segment, offset);
1540 if (force || in_tls || !symt_find_nearest(msc_dbg->module, loc.offset))
1541 {
1542 symt_new_global_variable(msc_dbg->module, compiland,
1543 name, is_local, loc, 0,
1544 codeview_get_type(symtype, FALSE));
1545 }
1546 }
1547 }
1548
1549 static int codeview_snarf(const struct msc_debug_info* msc_dbg, const BYTE* root,
1550 int offset, int size, BOOL do_globals)
1551 {
1552 struct symt_function* curr_func = NULL;
1553 int i, length;
1554 struct symt_block* block = NULL;
1555 struct symt* symt;
1556 const char* name;
1557 struct symt_compiland* compiland = NULL;
1558 struct location loc;
1559
1560 /*
1561 * Loop over the different types of records and whenever we
1562 * find something we are interested in, record it and move on.
1563 */
1564 for (i = offset; i < size; i += length)
1565 {
1566 const union codeview_symbol* sym = (const union codeview_symbol*)(root + i);
1567 length = sym->generic.len + 2;
1568 if (i + length > size) break;
1569 if (!sym->generic.id || length < 4) break;
1570 if (length & 3) FIXME("unpadded len %u\n", length);
1571
1572 switch (sym->generic.id)
1573 {
1574 /*
1575 * Global and local data symbols. We don't associate these
1576 * with any given source file.
1577 */
1578 case S_GDATA_V1:
1579 case S_LDATA_V1:
1580 if (do_globals)
1581 codeview_add_variable(msc_dbg, compiland, terminate_string(&sym->data_v1.p_name),
1582 sym->data_v1.segment, sym->data_v1.offset, sym->data_v1.symtype,
1583 sym->generic.id == S_LDATA_V1, FALSE, TRUE);
1584 break;
1585 case S_GDATA_V2:
1586 case S_LDATA_V2:
1587 if (do_globals)
1588 codeview_add_variable(msc_dbg, compiland, terminate_string(&sym->data_v2.p_name),
1589 sym->data_v2.segment, sym->data_v2.offset, sym->data_v2.symtype,
1590 sym->generic.id == S_LDATA_V2, FALSE, TRUE);
1591 break;
1592 case S_GDATA_V3:
1593 case S_LDATA_V3:
1594 if (do_globals)
1595 codeview_add_variable(msc_dbg, compiland, sym->data_v3.name,
1596 sym->data_v3.segment, sym->data_v3.offset, sym->data_v3.symtype,
1597 sym->generic.id == S_LDATA_V3, FALSE, TRUE);
1598 break;
1599
1600 /* variables with thread storage */
1601 case S_GTHREAD_V1:
1602 case S_LTHREAD_V1:
1603 if (do_globals)
1604 codeview_add_variable(msc_dbg, compiland, terminate_string(&sym->thread_v1.p_name),
1605 sym->thread_v1.segment, sym->thread_v1.offset, sym->thread_v1.symtype,
1606 sym->generic.id == S_LTHREAD_V1, TRUE, TRUE);
1607 break;
1608 case S_GTHREAD_V2:
1609 case S_LTHREAD_V2:
1610 if (do_globals)
1611 codeview_add_variable(msc_dbg, compiland, terminate_string(&sym->thread_v2.p_name),
1612 sym->thread_v2.segment, sym->thread_v2.offset, sym->thread_v2.symtype,
1613 sym->generic.id == S_LTHREAD_V2, TRUE, TRUE);
1614 break;
1615 case S_GTHREAD_V3:
1616 case S_LTHREAD_V3:
1617 if (do_globals)
1618 codeview_add_variable(msc_dbg, compiland, sym->thread_v3.name,
1619 sym->thread_v3.segment, sym->thread_v3.offset, sym->thread_v3.symtype,
1620 sym->generic.id == S_LTHREAD_V3, TRUE, TRUE);
1621 break;
1622
1623 /* Public symbols */
1624 case S_PUB_V1:
1625 case S_PUB_V2:
1626 case S_PUB_V3:
1627 case S_PUB_FUNC1_V3:
1628 case S_PUB_FUNC2_V3:
1629 /* will be handled later on in codeview_snarf_public */
1630 break;
1631
1632 /*
1633 * Sort of like a global function, but it just points
1634 * to a thunk, which is a stupid name for what amounts to
1635 * a PLT slot in the normal jargon that everyone else uses.
1636 */
1637 case S_THUNK_V1:
1638 symt_new_thunk(msc_dbg->module, compiland,
1639 terminate_string(&sym->thunk_v1.p_name), sym->thunk_v1.thtype,
1640 codeview_get_address(msc_dbg, sym->thunk_v1.segment, sym->thunk_v1.offset),
1641 sym->thunk_v1.thunk_len);
1642 break;
1643 case S_THUNK_V3:
1644 symt_new_thunk(msc_dbg->module, compiland,
1645 sym->thunk_v3.name, sym->thunk_v3.thtype,
1646 codeview_get_address(msc_dbg, sym->thunk_v3.segment, sym->thunk_v3.offset),
1647 sym->thunk_v3.thunk_len);
1648 break;
1649
1650 /*
1651 * Global and static functions.
1652 */
1653 case S_GPROC_V1:
1654 case S_LPROC_V1:
1655 if (curr_func) FIXME("nested function\n");
1656 curr_func = symt_new_function(msc_dbg->module, compiland,
1657 terminate_string(&sym->proc_v1.p_name),
1658 codeview_get_address(msc_dbg, sym->proc_v1.segment, sym->proc_v1.offset),
1659 sym->proc_v1.proc_len,
1660 codeview_get_type(sym->proc_v1.proctype, FALSE));
1661 loc.kind = loc_absolute;
1662 loc.offset = sym->proc_v1.debug_start;
1663 symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugStart, &loc, NULL);
1664 loc.offset = sym->proc_v1.debug_end;
1665 symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugEnd, &loc, NULL);
1666 break;
1667 case S_GPROC_V2:
1668 case S_LPROC_V2:
1669 if (curr_func) FIXME("nested function\n");
1670 curr_func = symt_new_function(msc_dbg->module, compiland,
1671 terminate_string(&sym->proc_v2.p_name),
1672 codeview_get_address(msc_dbg, sym->proc_v2.segment, sym->proc_v2.offset),
1673 sym->proc_v2.proc_len,
1674 codeview_get_type(sym->proc_v2.proctype, FALSE));
1675 loc.kind = loc_absolute;
1676 loc.offset = sym->proc_v2.debug_start;
1677 symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugStart, &loc, NULL);
1678 loc.offset = sym->proc_v2.debug_end;
1679 symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugEnd, &loc, NULL);
1680 break;
1681 case S_GPROC_V3:
1682 case S_LPROC_V3:
1683 if (curr_func) FIXME("nested function\n");
1684 curr_func = symt_new_function(msc_dbg->module, compiland,
1685 sym->proc_v3.name,
1686 codeview_get_address(msc_dbg, sym->proc_v3.segment, sym->proc_v3.offset),
1687 sym->proc_v3.proc_len,
1688 codeview_get_type(sym->proc_v3.proctype, FALSE));
1689 loc.kind = loc_absolute;
1690 loc.offset = sym->proc_v3.debug_start;
1691 symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugStart, &loc, NULL);
1692 loc.offset = sym->proc_v3.debug_end;
1693 symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugEnd, &loc, NULL);
1694 break;
1695 /*
1696 * Function parameters and stack variables.
1697 */
1698 case S_BPREL_V1:
1699 loc.kind = loc_regrel;
1700 /* Yes, it's i386 dependent, but that's the symbol purpose. S_REGREL is used on other CPUs */
1701 loc.reg = CV_REG_EBP;
1702 loc.offset = sym->stack_v1.offset;
1703 symt_add_func_local(msc_dbg->module, curr_func,
1704 sym->stack_v1.offset > 0 ? DataIsParam : DataIsLocal,
1705 &loc, block,
1706 codeview_get_type(sym->stack_v1.symtype, FALSE),
1707 terminate_string(&sym->stack_v1.p_name));
1708 break;
1709 case S_BPREL_V2:
1710 loc.kind = loc_regrel;
1711 /* Yes, it's i386 dependent, but that's the symbol purpose. S_REGREL is used on other CPUs */
1712 loc.reg = CV_REG_EBP;
1713 loc.offset = sym->stack_v2.offset;
1714 symt_add_func_local(msc_dbg->module, curr_func,
1715 sym->stack_v2.offset > 0 ? DataIsParam : DataIsLocal,
1716 &loc, block,
1717 codeview_get_type(sym->stack_v2.symtype, FALSE),
1718 terminate_string(&sym->stack_v2.p_name));
1719 break;
1720 case S_BPREL_V3:
1721 loc.kind = loc_regrel;
1722 /* Yes, it's i386 dependent, but that's the symbol purpose. S_REGREL is used on other CPUs */
1723 loc.reg = CV_REG_EBP;
1724 loc.offset = sym->stack_v3.offset;
1725 symt_add_func_local(msc_dbg->module, curr_func,
1726 sym->stack_v3.offset > 0 ? DataIsParam : DataIsLocal,
1727 &loc, block,
1728 codeview_get_type(sym->stack_v3.symtype, FALSE),
1729 sym->stack_v3.name);
1730 break;
1731 case S_REGREL_V3:
1732 loc.kind = loc_regrel;
1733 loc.reg = sym->regrel_v3.reg;
1734 loc.offset = sym->regrel_v3.offset;
1735 symt_add_func_local(msc_dbg->module, curr_func,
1736 /* FIXME this is wrong !!! */
1737 sym->regrel_v3.offset > 0 ? DataIsParam : DataIsLocal,
1738 &loc, block,
1739 codeview_get_type(sym->regrel_v3.symtype, FALSE),
1740 sym->regrel_v3.name);
1741 break;
1742
1743 case S_REGISTER_V1:
1744 loc.kind = loc_register;
1745 loc.reg = sym->register_v1.reg;
1746 loc.offset = 0;
1747 symt_add_func_local(msc_dbg->module, curr_func,
1748 DataIsLocal, &loc,
1749 block, codeview_get_type(sym->register_v1.type, FALSE),
1750 terminate_string(&sym->register_v1.p_name));
1751 break;
1752 case S_REGISTER_V2:
1753 loc.kind = loc_register;
1754 loc.reg = sym->register_v2.reg;
1755 loc.offset = 0;
1756 symt_add_func_local(msc_dbg->module, curr_func,
1757 DataIsLocal, &loc,
1758 block, codeview_get_type(sym->register_v2.type, FALSE),
1759 terminate_string(&sym->register_v2.p_name));
1760 break;
1761 case S_REGISTER_V3:
1762 loc.kind = loc_register;
1763 loc.reg = sym->register_v3.reg;
1764 loc.offset = 0;
1765 symt_add_func_local(msc_dbg->module, curr_func,
1766 DataIsLocal, &loc,
1767 block, codeview_get_type(sym->register_v3.type, FALSE),
1768 sym->register_v3.name);
1769 break;
1770
1771 case S_BLOCK_V1:
1772 block = symt_open_func_block(msc_dbg->module, curr_func, block,
1773 codeview_get_address(msc_dbg, sym->block_v1.segment, sym->block_v1.offset),
1774 sym->block_v1.length);
1775 break;
1776 case S_BLOCK_V3:
1777 block = symt_open_func_block(msc_dbg->module, curr_func, block,
1778 codeview_get_address(msc_dbg, sym->block_v3.segment, sym->block_v3.offset),
1779 sym->block_v3.length);
1780 break;
1781
1782 case S_END_V1:
1783 if (block)
1784 {
1785 block = symt_close_func_block(msc_dbg->module, curr_func, block, 0);
1786 }
1787 else if (curr_func)
1788 {
1789 symt_normalize_function(msc_dbg->module, curr_func);
1790 curr_func = NULL;
1791 }
1792 break;
1793
1794 case S_COMPILAND_V1:
1795 TRACE("S-Compiland-V1 %x %s\n",
1796 sym->compiland_v1.unknown, terminate_string(&sym->compiland_v1.p_name));
1797 break;
1798
1799 case S_COMPILAND_V2:
1800 TRACE("S-Compiland-V2 %s\n", terminate_string(&sym->compiland_v2.p_name));
1801 if (TRACE_ON(dbghelp_msc))
1802 {
1803 const char* ptr1 = sym->compiland_v2.p_name.name + sym->compiland_v2.p_name.namelen;
1804 const char* ptr2;
1805 while (*ptr1)
1806 {
1807 ptr2 = ptr1 + strlen(ptr1) + 1;
1808 TRACE("\t%s => %s\n", ptr1, debugstr_a(ptr2));
1809 ptr1 = ptr2 + strlen(ptr2) + 1;
1810 }
1811 }
1812 break;
1813 case S_COMPILAND_V3:
1814 TRACE("S-Compiland-V3 %s\n", sym->compiland_v3.name);
1815 if (TRACE_ON(dbghelp_msc))
1816 {
1817 const char* ptr1 = sym->compiland_v3.name + strlen(sym->compiland_v3.name);
1818 const char* ptr2;
1819 while (*ptr1)
1820 {
1821 ptr2 = ptr1 + strlen(ptr1) + 1;
1822 TRACE("\t%s => %s\n", ptr1, debugstr_a(ptr2));
1823 ptr1 = ptr2 + strlen(ptr2) + 1;
1824 }
1825 }
1826 break;
1827
1828 case S_OBJNAME_V1:
1829 TRACE("S-ObjName %s\n", terminate_string(&sym->objname_v1.p_name));
1830 compiland = symt_new_compiland(msc_dbg->module, 0 /* FIXME */,
1831 source_new(msc_dbg->module, NULL,
1832 terminate_string(&sym->objname_v1.p_name)));
1833 break;
1834
1835 case S_LABEL_V1:
1836 if (curr_func)
1837 {
1838 loc.kind = loc_absolute;
1839 loc.offset = codeview_get_address(msc_dbg, sym->label_v1.segment, sym->label_v1.offset) - curr_func->address;
1840 symt_add_function_point(msc_dbg->module, curr_func, SymTagLabel, &loc,
1841 terminate_string(&sym->label_v1.p_name));
1842 }
1843 else symt_new_label(msc_dbg->module, compiland,
1844 terminate_string(&sym->label_v1.p_name),
1845 codeview_get_address(msc_dbg, sym->label_v1.segment, sym->label_v1.offset));
1846 break;
1847 case S_LABEL_V3:
1848 if (curr_func)
1849 {
1850 loc.kind = loc_absolute;
1851 loc.offset = codeview_get_address(msc_dbg, sym->label_v3.segment, sym->label_v3.offset) - curr_func->address;
1852 symt_add_function_point(msc_dbg->module, curr_func, SymTagLabel,
1853 &loc, sym->label_v3.name);
1854 }
1855 else symt_new_label(msc_dbg->module, compiland, sym->label_v3.name,
1856 codeview_get_address(msc_dbg, sym->label_v3.segment, sym->label_v3.offset));
1857 break;
1858
1859 case S_CONSTANT_V1:
1860 {
1861 int vlen;
1862 const struct p_string* name;
1863 struct symt* se;
1864 VARIANT v;
1865
1866 vlen = leaf_as_variant(&v, &sym->constant_v1.cvalue);
1867 name = (const struct p_string*)((const char*)&sym->constant_v1.cvalue + vlen);
1868 se = codeview_get_type(sym->constant_v1.type, FALSE);
1869
1870 TRACE("S-Constant-V1 %u %s %x\n",
1871 v.n1.n2.n3.intVal, terminate_string(name), sym->constant_v1.type);
1872 symt_new_constant(msc_dbg->module, compiland, terminate_string(name),
1873 se, &v);
1874 }
1875 break;
1876 case S_CONSTANT_V2:
1877 {
1878 int vlen;
1879 const struct p_string* name;
1880 struct symt* se;
1881 VARIANT v;
1882
1883 vlen = leaf_as_variant(&v, &sym->constant_v2.cvalue);
1884 name = (const struct p_string*)((const char*)&sym->constant_v2.cvalue + vlen);
1885 se = codeview_get_type(sym->constant_v2.type, FALSE);
1886
1887 TRACE("S-Constant-V2 %u %s %x\n",
1888 v.n1.n2.n3.intVal, terminate_string(name), sym->constant_v2.type);
1889 symt_new_constant(msc_dbg->module, compiland, terminate_string(name),
1890 se, &v);
1891 }
1892 break;
1893 case S_CONSTANT_V3:
1894 {
1895 int vlen;
1896 const char* name;
1897 struct symt* se;
1898 VARIANT v;
1899
1900 vlen = leaf_as_variant(&v, &sym->constant_v3.cvalue);
1901 name = (const char*)&sym->constant_v3.cvalue + vlen;
1902 se = codeview_get_type(sym->constant_v3.type, FALSE);
1903
1904 TRACE("S-Constant-V3 %u %s %x\n",
1905 v.n1.n2.n3.intVal, name, sym->constant_v3.type);
1906 /* FIXME: we should add this as a constant value */
1907 symt_new_constant(msc_dbg->module, compiland, name, se, &v);
1908 }
1909 break;
1910
1911 case S_UDT_V1:
1912 if (sym->udt_v1.type)
1913 {
1914 if ((symt = codeview_get_type(sym->udt_v1.type, FALSE)))
1915 symt_new_typedef(msc_dbg->module, symt,
1916 terminate_string(&sym->udt_v1.p_name));
1917 else
1918 FIXME("S-Udt %s: couldn't find type 0x%x\n",
1919 terminate_string(&sym->udt_v1.p_name), sym->udt_v1.type);
1920 }
1921 break;
1922 case S_UDT_V2:
1923 if (sym->udt_v2.type)
1924 {
1925 if ((symt = codeview_get_type(sym->udt_v2.type, FALSE)))
1926 symt_new_typedef(msc_dbg->module, symt,
1927 terminate_string(&sym->udt_v2.p_name));
1928 else
1929 FIXME("S-Udt %s: couldn't find type 0x%x\n",
1930 terminate_string(&sym->udt_v2.p_name), sym->udt_v2.type);
1931 }
1932 break;
1933 case S_UDT_V3:
1934 if (sym->udt_v3.type)
1935 {
1936 if ((symt = codeview_get_type(sym->udt_v3.type, FALSE)))
1937 symt_new_typedef(msc_dbg->module, symt, sym->udt_v3.name);
1938 else
1939 FIXME("S-Udt %s: couldn't find type 0x%x\n",
1940 sym->udt_v3.name, sym->udt_v3.type);
1941 }
1942 break;
1943
1944 /*
1945 * These are special, in that they are always followed by an
1946 * additional length-prefixed string which is *not* included
1947 * into the symbol length count. We need to skip it.
1948 */
1949 case S_PROCREF_V1:
1950 case S_DATAREF_V1:
1951 case S_LPROCREF_V1:
1952 name = (const char*)sym + length;
1953 length += (*name + 1 + 3) & ~3;
1954 break;
1955
1956 case S_MSTOOL_V3: /* just to silence a few warnings */
1957 case S_MSTOOLINFO_V3:
1958 case S_MSTOOLENV_V3:
1959 break;
1960
1961 case S_SSEARCH_V1:
1962 TRACE("Start search: seg=0x%x at offset 0x%08x\n",
1963 sym->ssearch_v1.segment, sym->ssearch_v1.offset);
1964 break;
1965
1966 case S_ALIGN_V1:
1967 TRACE("S-Align V1\n");
1968 break;
1969
1970 /* the symbols we can safely ignore for now */
1971 case 0x112c:
1972 case S_FRAMEINFO_V2:
1973 case S_SECUCOOKIE_V3:
1974 case S_SECTINFO_V3:
1975 case S_SUBSECTINFO_V3:
1976 case S_ENTRYPOINT_V3:
1977 case 0x1139:
1978 TRACE("Unsupported symbol id %x\n", sym->generic.id);
1979 break;
1980
1981 default:
1982 FIXME("Unsupported symbol id %x\n", sym->generic.id);
1983 dump(sym, 2 + sym->generic.len);
1984 break;
1985 }
1986 }
1987
1988 if (curr_func) symt_normalize_function(msc_dbg->module, curr_func);
1989
1990 return TRUE;
1991 }
1992
1993 static int codeview_snarf_public(const struct msc_debug_info* msc_dbg, const BYTE* root,
1994 int offset, int size)
1995
1996 {
1997 int i, length;
1998 struct symt_compiland* compiland = NULL;
1999
2000 /*
2001 * Loop over the different types of records and whenever we
2002 * find something we are interested in, record it and move on.
2003 */
2004 for (i = offset; i < size; i += length)
2005 {
2006 const union codeview_symbol* sym = (const union codeview_symbol*)(root + i);
2007 length = sym->generic.len + 2;
2008 if (i + length > size) break;
2009 if (!sym->generic.id || length < 4) break;
2010 if (length & 3) FIXME("unpadded len %u\n", length);
2011
2012 switch (sym->generic.id)
2013 {
2014 case S_PUB_V1: /* FIXME is this really a 'data_v1' structure ?? */
2015 if (!(dbghelp_options & SYMOPT_NO_PUBLICS))
2016 {
2017 symt_new_public(msc_dbg->module, compiland,
2018 terminate_string(&sym->data_v1.p_name),
2019 codeview_get_address(msc_dbg, sym->data_v1.segment, sym->data_v1.offset), 1);
2020 }
2021 break;
2022 case S_PUB_V2: /* FIXME is this really a 'data_v2' structure ?? */
2023 if (!(dbghelp_options & SYMOPT_NO_PUBLICS))
2024 {
2025 symt_new_public(msc_dbg->module, compiland,
2026 terminate_string(&sym->data_v2.p_name),
2027 codeview_get_address(msc_dbg, sym->data_v2.segment, sym->data_v2.offset), 1);
2028 }
2029 break;
2030
2031 case S_PUB_V3:
2032 if (!(dbghelp_options & SYMOPT_NO_PUBLICS))
2033 {
2034 symt_new_public(msc_dbg->module, compiland,
2035 sym->data_v3.name,
2036 codeview_get_address(msc_dbg, sym->data_v3.segment, sym->data_v3.offset), 1);
2037 }
2038 break;
2039 case S_PUB_FUNC1_V3:
2040 case S_PUB_FUNC2_V3: /* using a data_v3 isn't what we'd expect */
2041 #if 0
2042 /* FIXME: this is plain wrong (from a simple test) */
2043 if (!(dbghelp_options & SYMOPT_NO_PUBLICS))
2044 {
2045 symt_new_public(msc_dbg->module, compiland,
2046 sym->data_v3.name,
2047 codeview_get_address(msc_dbg, sym->data_v3.segment, sym->data_v3.offset), 1);
2048 }
2049 #endif
2050 break;
2051 /*
2052 * Global and local data symbols. We don't associate these
2053 * with any given source file.
2054 */
2055 case S_GDATA_V1:
2056 case S_LDATA_V1:
2057 codeview_add_variable(msc_dbg, compiland, terminate_string(&sym->data_v1.p_name),
2058 sym->data_v1.segment, sym->data_v1.offset, sym->data_v1.symtype,
2059 sym->generic.id == S_LDATA_V1, FALSE, FALSE);
2060 break;
2061 case S_GDATA_V2:
2062 case S_LDATA_V2:
2063 codeview_add_variable(msc_dbg, compiland, terminate_string(&sym->data_v2.p_name),
2064 sym->data_v2.segment, sym->data_v2.offset, sym->data_v2.symtype,
2065 sym->generic.id == S_LDATA_V2, FALSE, FALSE);
2066 break;
2067 case S_GDATA_V3:
2068 case S_LDATA_V3:
2069 codeview_add_variable(msc_dbg, compiland, sym->data_v3.name,
2070 sym->data_v3.segment, sym->data_v3.offset, sym->data_v3.symtype,
2071 sym->generic.id == S_LDATA_V3, FALSE, FALSE);
2072 break;
2073
2074 /* variables with thread storage */
2075 case S_GTHREAD_V1:
2076 case S_LTHREAD_V1:
2077 codeview_add_variable(msc_dbg, compiland, terminate_string(&sym->thread_v1.p_name),
2078 sym->thread_v1.segment, sym->thread_v1.offset, sym->thread_v1.symtype,
2079 sym->generic.id == S_LTHREAD_V1, TRUE, FALSE);
2080 break;
2081 case S_GTHREAD_V2:
2082 case S_LTHREAD_V2:
2083 codeview_add_variable(msc_dbg, compiland, terminate_string(&sym->thread_v2.p_name),
2084 sym->thread_v2.segment, sym->thread_v2.offset, sym->thread_v2.symtype,
2085 sym->generic.id == S_LTHREAD_V2, TRUE, FALSE);
2086 break;
2087 case S_GTHREAD_V3:
2088 case S_LTHREAD_V3:
2089 codeview_add_variable(msc_dbg, compiland, sym->thread_v3.name,
2090 sym->thread_v3.segment, sym->thread_v3.offset, sym->thread_v3.symtype,
2091 sym->generic.id == S_LTHREAD_V3, TRUE, FALSE);
2092 break;
2093
2094 /*
2095 * These are special, in that they are always followed by an
2096 * additional length-prefixed string which is *not* included
2097 * into the symbol length count. We need to skip it.
2098 */
2099 case S_PROCREF_V1:
2100 case S_DATAREF_V1:
2101 case S_LPROCREF_V1:
2102 length += (((const char*)sym)[length] + 1 + 3) & ~3;
2103 break;
2104 }
2105 msc_dbg->module->sortlist_valid = TRUE;
2106 }
2107 msc_dbg->module->sortlist_valid = FALSE;
2108 return TRUE;
2109 }
2110
2111 /*========================================================================
2112 * Process PDB file.
2113 */
2114
2115 static void* pdb_jg_read(const struct PDB_JG_HEADER* pdb, const WORD* block_list,
2116 int size)
2117 {
2118 int i, num_blocks;
2119 BYTE* buffer;
2120
2121 if (!size) return NULL;
2122
2123 num_blocks = (size + pdb->block_size - 1) / pdb->block_size;
2124 buffer = HeapAlloc(GetProcessHeap(), 0, num_blocks * pdb->block_size);
2125
2126 for (i = 0; i < num_blocks; i++)
2127 memcpy(buffer + i * pdb->block_size,
2128 (const char*)pdb + block_list[i] * pdb->block_size, pdb->block_size);
2129
2130 return buffer;
2131 }
2132
2133 static void* pdb_ds_read(const struct PDB_DS_HEADER* pdb, const DWORD* block_list,
2134 int size)
2135 {
2136 int i, num_blocks;
2137 BYTE* buffer;
2138
2139 if (!size) return NULL;
2140
2141 num_blocks = (size + pdb->block_size - 1) / pdb->block_size;
2142 buffer = HeapAlloc(GetProcessHeap(), 0, num_blocks * pdb->block_size);
2143
2144 for (i = 0; i < num_blocks; i++)
2145 memcpy(buffer + i * pdb->block_size,
2146 (const char*)pdb + block_list[i] * pdb->block_size, pdb->block_size);
2147
2148 return buffer;
2149 }
2150
2151 static void* pdb_read_jg_file(const struct PDB_JG_HEADER* pdb,
2152 const struct PDB_JG_TOC* toc, DWORD file_nr)
2153 {
2154 const WORD* block_list;
2155 DWORD i;
2156
2157 if (!toc || file_nr >= toc->num_files) return NULL;
2158
2159 block_list = (const WORD*) &toc->file[toc->num_files];
2160 for (i = 0; i < file_nr; i++)
2161 block_list += (toc->file[i].size + pdb->block_size - 1) / pdb->block_size;
2162
2163 return pdb_jg_read(pdb, block_list, toc->file[file_nr].size);
2164 }
2165
2166 static void* pdb_read_ds_file(const struct PDB_DS_HEADER* pdb,
2167 const struct PDB_DS_TOC* toc, DWORD file_nr)
2168 {
2169 const DWORD* block_list;
2170 DWORD i;
2171
2172 if (!toc || file_nr >= toc->num_files) return NULL;
2173 if (toc->file_size[file_nr] == 0 || toc->file_size[file_nr] == 0xFFFFFFFF) return NULL;
2174
2175 block_list = &toc->file_size[toc->num_files];
2176 for (i = 0; i < file_nr; i++)
2177 block_list += (toc->file_size[i] + pdb->block_size - 1) / pdb->block_size;
2178
2179 return pdb_ds_read(pdb, block_list, toc->file_size[file_nr]);
2180 }
2181
2182 static void* pdb_read_file(const struct pdb_file_info* pdb_file,
2183 DWORD file_nr)
2184 {
2185 switch (pdb_file->kind)
2186 {
2187 case PDB_JG:
2188 return pdb_read_jg_file((const struct PDB_JG_HEADER*)pdb_file->image,
2189 pdb_file->u.jg.toc, file_nr);
2190 case PDB_DS:
2191 return pdb_read_ds_file((const struct PDB_DS_HEADER*)pdb_file->image,
2192 pdb_file->u.ds.toc, file_nr);
2193 }
2194 return NULL;
2195 }
2196
2197 static unsigned pdb_get_file_size(const struct pdb_file_info* pdb_file, DWORD file_nr)
2198 {
2199 switch (pdb_file->kind)
2200 {
2201 case PDB_JG: return pdb_file->u.jg.toc->file[file_nr].size;
2202 case PDB_DS: return pdb_file->u.ds.toc->file_size[file_nr];
2203 }
2204 return 0;
2205 }
2206
2207 static void pdb_free(void* buffer)
2208 {
2209 HeapFree(GetProcessHeap(), 0, buffer);
2210 }
2211
2212 static void pdb_free_file(struct pdb_file_info* pdb_file)
2213 {
2214 switch (pdb_file->kind)
2215 {
2216 case PDB_JG:
2217 pdb_free(pdb_file->u.jg.toc);
2218 pdb_file->u.jg.toc = NULL;
2219 break;
2220 case PDB_DS:
2221 pdb_free(pdb_file->u.ds.toc);
2222 pdb_file->u.ds.toc = NULL;
2223 break;
2224 }
2225 HeapFree(GetProcessHeap(), 0, pdb_file->stream_dict);
2226 }
2227
2228 static BOOL pdb_load_stream_name_table(struct pdb_file_info* pdb_file, const char* str, unsigned cb)
2229 {
2230 DWORD* pdw;
2231 DWORD* ok_bits;
2232 DWORD count, numok;
2233 unsigned i, j;
2234 char* cpstr;
2235
2236 pdw = (DWORD*)(str + cb);
2237 numok = *pdw++;
2238 count = *pdw++;
2239
2240 pdb_file->stream_dict = HeapAlloc(GetProcessHeap(), 0, (numok + 1) * sizeof(struct pdb_stream_name) + cb);
2241 if (!pdb_file->stream_dict) return FALSE;
2242 cpstr = (char*)(pdb_file->stream_dict + numok + 1);
2243 memcpy(cpstr, str, cb);
2244
2245 /* bitfield: first dword is len (in dword), then data */
2246 ok_bits = pdw;
2247 pdw += *ok_bits++ + 1;
2248 if (*pdw++ != 0)
2249 {
2250 FIXME("unexpected value\n");
2251 return -1;
2252 }
2253
2254 for (i = j = 0; i < count; i++)
2255 {
2256 if (ok_bits[i / 32] & (1 << (i % 32)))
2257 {
2258 if (j >= numok) break;
2259 pdb_file->stream_dict[j].name = &cpstr[*pdw++];
2260 pdb_file->stream_dict[j].index = *pdw++;
2261 j++;
2262 }
2263 }
2264 /* add sentinel */
2265 pdb_file->stream_dict[numok].name = NULL;
2266 pdb_file->fpoext_stream = -1;
2267 return j == numok && i == count;
2268 }
2269
2270 static unsigned pdb_get_stream_by_name(const struct pdb_file_info* pdb_file, const char* name)
2271 {
2272 struct pdb_stream_name* psn;
2273
2274 for (psn = pdb_file->stream_dict; psn && psn->name; psn++)
2275 {
2276 if (!strcmp(psn->name, name)) return psn->index;
2277 }
2278 return -1;
2279 }
2280
2281 static void* pdb_read_strings(const struct pdb_file_info* pdb_file)
2282 {
2283 unsigned idx;
2284 void *ret;
2285
2286 idx = pdb_get_stream_by_name(pdb_file, "/names");
2287 if (idx != -1)
2288 {
2289 ret = pdb_read_file( pdb_file, idx );
2290 if (ret && *(const DWORD *)ret == 0xeffeeffe) return ret;
2291 pdb_free( ret );
2292 }
2293 WARN("string table not found\n");
2294 return NULL;
2295 }
2296
2297 static void pdb_module_remove(struct process* pcsn, struct module_format* modfmt)
2298 {
2299 unsigned i;
2300
2301 for (i = 0; i < modfmt->u.pdb_info->used_subfiles; i++)
2302 {
2303 pdb_free_file(&modfmt->u.pdb_info->pdb_files[i]);
2304 if (modfmt->u.pdb_info->pdb_files[i].image)
2305 UnmapViewOfFile(modfmt->u.pdb_info->pdb_files[i].image);
2306 if (modfmt->u.pdb_info->pdb_files[i].hMap)
2307 CloseHandle(modfmt->u.pdb_info->pdb_files[i].hMap);
2308 }
2309 HeapFree(GetProcessHeap(), 0, modfmt);
2310 }
2311
2312 static void pdb_convert_types_header(PDB_TYPES* types, const BYTE* image)
2313 {
2314 memset(types, 0, sizeof(PDB_TYPES));
2315 if (!image) return;
2316
2317 if (*(const DWORD*)image < 19960000) /* FIXME: correct version? */
2318 {
2319 /* Old version of the types record header */
2320 const PDB_TYPES_OLD* old = (const PDB_TYPES_OLD*)image;
2321 types->version = old->version;
2322 types->type_offset = sizeof(PDB_TYPES_OLD);
2323 types->type_size = old->type_size;
2324 types->first_index = old->first_index;
2325 types->last_index = old->last_index;
2326 types->file = old->file;
2327 }
2328 else
2329 {
2330 /* New version of the types record header */
2331 *types = *(const PDB_TYPES*)image;
2332 }
2333 }
2334
2335 static void pdb_convert_symbols_header(PDB_SYMBOLS* symbols,
2336 int* header_size, const BYTE* image)
2337 {
2338 memset(symbols, 0, sizeof(PDB_SYMBOLS));
2339 if (!image) return;
2340
2341 if (*(const DWORD*)image != 0xffffffff)
2342 {
2343 /* Old version of the symbols record header */
2344 const PDB_SYMBOLS_OLD* old = (const PDB_SYMBOLS_OLD*)image;
2345 symbols->version = 0;
2346 symbols->module_size = old->module_size;
2347 symbols->offset_size = old->offset_size;
2348 symbols->hash_size = old->hash_size;
2349 symbols->srcmodule_size = old->srcmodule_size;
2350 symbols->pdbimport_size = 0;
2351 symbols->hash1_file = old->hash1_file;
2352 symbols->hash2_file = old->hash2_file;
2353 symbols->gsym_file = old->gsym_file;
2354
2355 *header_size = sizeof(PDB_SYMBOLS_OLD);
2356 }
2357 else
2358 {
2359 /* New version of the symbols record header */
2360 *symbols = *(const PDB_SYMBOLS*)image;
2361 *header_size = sizeof(PDB_SYMBOLS);
2362 }
2363 }
2364
2365 static void pdb_convert_symbol_file(const PDB_SYMBOLS* symbols,
2366 PDB_SYMBOL_FILE_EX* sfile,
2367 unsigned* size, const void* image)
2368
2369 {
2370 if (symbols->version < 19970000)
2371 {
2372 const PDB_SYMBOL_FILE *sym_file = image;
2373 memset(sfile, 0, sizeof(*sfile));
2374 sfile->file = sym_file->file;
2375 sfile->range.index = sym_file->range.index;
2376 sfile->symbol_size = sym_file->symbol_size;
2377 sfile->lineno_size = sym_file->lineno_size;
2378 *size = sizeof(PDB_SYMBOL_FILE) - 1;
2379 }
2380 else
2381 {
2382 memcpy(sfile, image, sizeof(PDB_SYMBOL_FILE_EX));
2383 *size = sizeof(PDB_SYMBOL_FILE_EX) - 1;
2384 }
2385 }
2386
2387 static HANDLE map_pdb_file(const struct process* pcs,
2388 const struct pdb_lookup* lookup,
2389 struct module* module)
2390 {
2391 HANDLE hFile, hMap = NULL;
2392 char dbg_file_path[MAX_PATH];
2393 BOOL ret = FALSE;
2394
2395 switch (lookup->kind)
2396 {
2397 case PDB_JG:
2398 ret = path_find_symbol_file(pcs, lookup->filename, NULL, lookup->timestamp,
2399 lookup->age, dbg_file_path, &module->module.PdbUnmatched);
2400 break;
2401 case PDB_DS:
2402 ret = path_find_symbol_file(pcs, lookup->filename, &lookup->guid, 0,
2403 lookup->age, dbg_file_path, &module->module.PdbUnmatched);
2404 break;
2405 }
2406 if (!ret)
2407 {
2408 WARN("\tCouldn't find %s\n", lookup->filename);
2409 return NULL;
2410 }
2411 if ((hFile = CreateFileA(dbg_file_path, GENERIC_READ, FILE_SHARE_READ, NULL,
2412 OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL)) != INVALID_HANDLE_VALUE)
2413 {
2414 hMap = CreateFileMappingW(hFile, NULL, PAGE_READONLY, 0, 0, NULL);
2415 CloseHandle(hFile);
2416 }
2417 return hMap;
2418 }
2419
2420 static void pdb_process_types(const struct msc_debug_info* msc_dbg,
2421 const struct pdb_file_info* pdb_file)
2422 {
2423 BYTE* types_image = NULL;
2424
2425 types_image = pdb_read_file(pdb_file, 2);
2426 if (types_image)
2427 {
2428 PDB_TYPES types;
2429 struct codeview_type_parse ctp;
2430 DWORD total;
2431 const BYTE* ptr;
2432 DWORD* offset;
2433
2434 pdb_convert_types_header(&types, types_image);
2435
2436 /* Check for unknown versions */
2437 switch (types.version)
2438 {
2439 case 19950410: /* VC 4.0 */
2440 case 19951122:
2441 case 19961031: /* VC 5.0 / 6.0 */
2442 case 19990903: /* VC 7.0 */
2443 case 20040203: /* VC 8.0 */
2444 break;
2445 default:
2446 ERR("-Unknown type info version %d\n", types.version);
2447 }
2448
2449 ctp.module = msc_dbg->module;
2450 /* reconstruct the types offset...
2451 * FIXME: maybe it's present in the newest PDB_TYPES structures
2452 */
2453 total = types.last_index - types.first_index + 1;
2454 offset = HeapAlloc(GetProcessHeap(), 0, sizeof(DWORD) * total);
2455 ctp.table = ptr = types_image + types.type_offset;
2456 ctp.num = 0;
2457 while (ptr < ctp.table + types.type_size && ctp.num < total)
2458 {
2459 offset[ctp.num++] = ptr - ctp.table;
2460 ptr += ((const union codeview_type*)ptr)->generic.len + 2;
2461 }
2462 ctp.offset = offset;
2463
2464 /* Read type table */
2465 codeview_parse_type_table(&ctp);
2466 HeapFree(GetProcessHeap(), 0, offset);
2467 pdb_free(types_image);
2468 }
2469 }
2470
2471 static const char PDB_JG_IDENT[] = "Microsoft C/C++ program database 2.00\r\n\032JG\0";
2472 static const char PDB_DS_IDENT[] = "Microsoft C/C++ MSF 7.00\r\n\032DS\0";
2473
2474 /******************************************************************
2475 * pdb_init
2476 *
2477 * Tries to load a pdb file
2478 * 'matched' is filled with the number of correct matches for this file:
2479 * - age counts for one
2480 * - timestamp or guid depending on kind counts for one
2481 * a wrong kind of file returns FALSE (FIXME ?)
2482 */
2483 static BOOL pdb_init(const struct pdb_lookup* pdb_lookup, struct pdb_file_info* pdb_file,
2484 const char* image, unsigned* matched)
2485 {
2486 BOOL ret = TRUE;
2487
2488 /* check the file header, and if ok, load the TOC */
2489 TRACE("PDB(%s): %.40s\n", pdb_lookup->filename, debugstr_an(image, 40));
2490
2491 *matched = 0;
2492 if (!memcmp(image, PDB_JG_IDENT, sizeof(PDB_JG_IDENT)))
2493 {
2494 const struct PDB_JG_HEADER* pdb = (const struct PDB_JG_HEADER*)image;
2495 struct PDB_JG_ROOT* root;
2496
2497 pdb_file->u.jg.toc = pdb_jg_read(pdb, pdb->toc_block, pdb->toc.size);
2498 root = pdb_read_jg_file(pdb, pdb_file->u.jg.toc, 1);
2499 if (!root)
2500 {
2501 ERR("-Unable to get root from .PDB in %s\n", pdb_lookup->filename);
2502 return FALSE;
2503 }
2504 switch (root->Version)
2505 {
2506 case 19950623: /* VC 4.0 */
2507 case 19950814:
2508 case 19960307: /* VC 5.0 */
2509 case 19970604: /* VC 6.0 */
2510 break;
2511 default:
2512 ERR("-Unknown root block version %d\n", root->Version);
2513 }
2514 if (pdb_lookup->kind != PDB_JG)
2515 {
2516 WARN("Found %s, but wrong PDB kind\n", pdb_lookup->filename);
2517 return FALSE;
2518 }
2519 pdb_file->kind = PDB_JG;
2520 pdb_file->u.jg.timestamp = root->TimeDateStamp;
2521 pdb_file->age = root->Age;
2522 if (root->TimeDateStamp == pdb_lookup->timestamp) (*matched)++;
2523 else WARN("Found %s, but wrong signature: %08x %08x\n",
2524 pdb_lookup->filename, root->TimeDateStamp, pdb_lookup->timestamp);
2525 if (root->Age == pdb_lookup->age) (*matched)++;
2526 else WARN("Found %s, but wrong age: %08x %08x\n",
2527 pdb_lookup->filename, root->Age, pdb_lookup->age);
2528 TRACE("found JG for %s: age=%x timestamp=%x\n",
2529 pdb_lookup->filename, root->Age, root->TimeDateStamp);
2530 pdb_load_stream_name_table(pdb_file, &root->names[0], root->cbNames);
2531
2532 pdb_free(root);
2533 }
2534 else if (!memcmp(image, PDB_DS_IDENT, sizeof(PDB_DS_IDENT)))
2535 {
2536 const struct PDB_DS_HEADER* pdb = (const struct PDB_DS_HEADER*)image;
2537 struct PDB_DS_ROOT* root;
2538
2539 pdb_file->u.ds.toc =
2540 pdb_ds_read(pdb,
2541 (const DWORD*)((const char*)pdb + pdb->toc_page * pdb->block_size),
2542 pdb->toc_size);
2543 root = pdb_read_ds_file(pdb, pdb_file->u.ds.toc, 1);
2544 if (!root)
2545 {
2546 ERR("-Unable to get root from .PDB in %s\n", pdb_lookup->filename);
2547 return FALSE;
2548 }
2549 switch (root->Version)
2550 {
2551 case 20000404:
2552 break;
2553 default:
2554 ERR("-Unknown root block version %d\n", root->Version);
2555 }
2556 pdb_file->kind = PDB_DS;
2557 pdb_file->u.ds.guid = root->guid;
2558 pdb_file->age = root->Age;
2559 if (!memcmp(&root->guid, &pdb_lookup->guid, sizeof(GUID))) (*matched)++;
2560 else WARN("Found %s, but wrong GUID: %s %s\n",
2561 pdb_lookup->filename, debugstr_guid(&root->guid),
2562 debugstr_guid(&pdb_lookup->guid));
2563 if (root->Age == pdb_lookup->age) (*matched)++;
2564 else WARN("Found %s, but wrong age: %08x %08x\n",
2565 pdb_lookup->filename, root->Age, pdb_lookup->age);
2566 TRACE("found DS for %s: age=%x guid=%s\n",
2567 pdb_lookup->filename, root->Age, debugstr_guid(&root->guid));
2568 pdb_load_stream_name_table(pdb_file, &root->names[0], root->cbNames);
2569
2570 pdb_free(root);
2571 }
2572
2573 if (0) /* some tool to dump the internal files from a PDB file */
2574 {
2575 int i, num_files;
2576
2577 switch (pdb_file->kind)
2578 {
2579 case PDB_JG: num_files = pdb_file->u.jg.toc->num_files; break;
2580 case PDB_DS: num_files = pdb_file->u.ds.toc->num_files; break;
2581 }
2582
2583 for (i = 1; i < num_files; i++)
2584 {
2585 unsigned char* x = pdb_read_file(pdb_file, i);
2586 FIXME("********************** [%u]: size=%08x\n",
2587 i, pdb_get_file_size(pdb_file, i));
2588 dump(x, pdb_get_file_size(pdb_file, i));
2589 pdb_free(x);
2590 }
2591 }
2592 return ret;
2593 }
2594
2595 static BOOL pdb_process_internal(const struct process* pcs,
2596 const struct msc_debug_info* msc_dbg,
2597 const struct pdb_lookup* pdb_lookup,
2598 struct pdb_module_info* pdb_module_info,
2599 unsigned module_index);
2600
2601 static void pdb_process_symbol_imports(const struct process* pcs,
2602 const struct msc_debug_info* msc_dbg,
2603 const PDB_SYMBOLS* symbols,
2604 const void* symbols_image,
2605 const char* image,
2606 const struct pdb_lookup* pdb_lookup,
2607 struct pdb_module_info* pdb_module_info,
2608 unsigned module_index)
2609 {
2610 if (module_index == -1 && symbols && symbols->pdbimport_size)
2611 {
2612 const PDB_SYMBOL_IMPORT*imp;
2613 const void* first;
2614 const void* last;
2615 const char* ptr;
2616 int i = 0;
2617 struct pdb_file_info sf0 = pdb_module_info->pdb_files[0];
2618
2619 imp = (const PDB_SYMBOL_IMPORT*)((const char*)symbols_image + sizeof(PDB_SYMBOLS) +
2620 symbols->module_size + symbols->offset_size +
2621 symbols->hash_size + symbols->srcmodule_size);
2622 first = imp;
2623 last = (const char*)imp + symbols->pdbimport_size;
2624 while (imp < (const PDB_SYMBOL_IMPORT*)last)
2625 {
2626 ptr = (const char*)imp + sizeof(*imp) + strlen(imp->filename);
2627 if (i >= CV_MAX_MODULES) FIXME("Out of bounds !!!\n");
2628 if (!strcasecmp(pdb_lookup->filename, imp->filename))
2629 {
2630 if (module_index != -1) FIXME("Twice the entry\n");
2631 else module_index = i;
2632 pdb_module_info->pdb_files[i] = sf0;
2633 }
2634 else
2635 {
2636 struct pdb_lookup imp_pdb_lookup;
2637
2638 /* FIXME: this is an import of a JG PDB file
2639 * how's a DS PDB handled ?
2640 */
2641 imp_pdb_lookup.filename = imp->filename;
2642 imp_pdb_lookup.kind = PDB_JG;
2643 imp_pdb_lookup.timestamp = imp->TimeDateStamp;
2644 imp_pdb_lookup.age = imp->Age;
2645 TRACE("got for %s: age=%u ts=%x\n",
2646 imp->filename, imp->Age, imp->TimeDateStamp);
2647 pdb_process_internal(pcs, msc_dbg, &imp_pdb_lookup, pdb_module_info, i);
2648 }
2649 i++;
2650 imp = (const PDB_SYMBOL_IMPORT*)((const char*)first + ((ptr - (const char*)first + strlen(ptr) + 1 + 3) & ~3));
2651 }
2652 pdb_module_info->used_subfiles = i;
2653 }
2654 if (module_index == -1)
2655 {
2656 module_index = 0;
2657 pdb_module_info->used_subfiles = 1;
2658 }
2659 cv_current_module = &cv_zmodules[module_index];
2660 if (cv_current_module->allowed) FIXME("Already allowed ??\n");
2661 cv_current_module->allowed = TRUE;
2662 }
2663
2664 static BOOL pdb_process_internal(const struct process* pcs,
2665 const struct msc_debug_info* msc_dbg,
2666 const struct pdb_lookup* pdb_lookup,
2667 struct pdb_module_info* pdb_module_info,
2668 unsigned module_index)
2669 {
2670 HANDLE hMap = NULL;
2671 char* image = NULL;
2672 BYTE* symbols_image = NULL;
2673 char* files_image = NULL;
2674 DWORD files_size = 0;
2675 unsigned matched;
2676 struct pdb_file_info* pdb_file;
2677
2678 TRACE("Processing PDB file %s\n", pdb_lookup->filename);
2679
2680 pdb_file = &pdb_module_info->pdb_files[module_index == -1 ? 0 : module_index];
2681 /* Open and map() .PDB file */
2682 if ((hMap = map_pdb_file(pcs, pdb_lookup, msc_dbg->module)) == NULL ||
2683 ((image = MapViewOfFile(hMap, FILE_MAP_READ, 0, 0, 0)) == NULL))
2684 {
2685 WARN("Unable to open .PDB file: %s\n", pdb_lookup->filename);
2686 CloseHandle(hMap);
2687 return FALSE;
2688 }
2689 if (!pdb_init(pdb_lookup, pdb_file, image, &matched) || matched != 2)
2690 {
2691 CloseHandle(hMap);
2692 UnmapViewOfFile(image);
2693 return FALSE;
2694 }
2695
2696 pdb_file->hMap = hMap;
2697 pdb_file->image = image;
2698 symbols_image = pdb_read_file(pdb_file, 3);
2699 if (symbols_image)
2700 {
2701 PDB_SYMBOLS symbols;
2702 BYTE* globalimage;
2703 BYTE* modimage;
2704 BYTE* file;
2705 int header_size = 0;
2706 PDB_STREAM_INDEXES* psi;
2707
2708 pdb_convert_symbols_header(&symbols, &header_size, symbols_image);
2709 switch (symbols.version)
2710 {
2711 case 0: /* VC 4.0 */
2712 case 19960307: /* VC 5.0 */
2713 case 19970606: /* VC 6.0 */
2714 case 19990903:
2715 break;
2716 default:
2717 ERR("-Unknown symbol info version %d %08x\n",
2718 symbols.version, symbols.version);
2719 }
2720
2721 switch (symbols.stream_index_size)
2722 {
2723 case 0:
2724 case sizeof(PDB_STREAM_INDEXES_OLD):
2725 /* no fpo ext stream in this case */
2726 break;
2727 case sizeof(PDB_STREAM_INDEXES):
2728 psi = (PDB_STREAM_INDEXES*)((const char*)symbols_image + sizeof(PDB_SYMBOLS) +
2729 symbols.module_size + symbols.offset_size +
2730 symbols.hash_size + symbols.srcmodule_size +
2731 symbols.pdbimport_size + symbols.unknown2_size);
2732 pdb_file->fpoext_stream = psi->FPO_EXT;
2733 break;
2734 default:
2735 FIXME("Unknown PDB_STREAM_INDEXES size (%d)\n", symbols.stream_index_size);
2736 break;
2737 }
2738 files_image = pdb_read_strings(pdb_file);
2739 if (files_image) files_size = *(const DWORD*)(files_image + 8);
2740
2741 pdb_process_symbol_imports(pcs, msc_dbg, &symbols, symbols_image, image,
2742 pdb_lookup, pdb_module_info, module_index);
2743 pdb_process_types(msc_dbg, pdb_file);
2744
2745 /* Read global symbol table */
2746 globalimage = pdb_read_file(pdb_file, symbols.gsym_file);
2747 if (globalimage)
2748 {
2749 codeview_snarf(msc_dbg, globalimage, 0,
2750 pdb_get_file_size(pdb_file, symbols.gsym_file), FALSE);
2751 }
2752
2753 /* Read per-module symbols' tables */
2754 file = symbols_image + header_size;
2755 while (file - symbols_image < header_size + symbols.module_size)
2756 {
2757 PDB_SYMBOL_FILE_EX sfile;
2758 const char* file_name;
2759 unsigned size;
2760
2761 HeapValidate(GetProcessHeap(), 0, NULL);
2762 pdb_convert_symbol_file(&symbols, &sfile, &size, file);
2763
2764 modimage = pdb_read_file(pdb_file, sfile.file);
2765 if (modimage)
2766 {
2767 if (sfile.symbol_size)
2768 codeview_snarf(msc_dbg, modimage, sizeof(DWORD),
2769 sfile.symbol_size, TRUE);
2770
2771 if (sfile.lineno_size)
2772 codeview_snarf_linetab(msc_dbg,
2773 modimage + sfile.symbol_size,
2774 sfile.lineno_size,
2775 pdb_file->kind == PDB_JG);
2776 if (files_image)
2777 codeview_snarf_linetab2(msc_dbg, modimage + sfile.symbol_size + sfile.lineno_size,
2778 pdb_get_file_size(pdb_file, sfile.file) - sfile.symbol_size - sfile.lineno_size,
2779 files_image + 12, files_size);
2780
2781 pdb_free(modimage);
2782 }
2783 file_name = (const char*)file + size;
2784 file_name += strlen(file_name) + 1;
2785 file = (BYTE*)((DWORD_PTR)(file_name + strlen(file_name) + 1 + 3) & ~3);
2786 }
2787 /* finish the remaining public and global information */
2788 if (globalimage)
2789 {
2790 codeview_snarf_public(msc_dbg, globalimage, 0,
2791 pdb_get_file_size(pdb_file, symbols.gsym_file));
2792 pdb_free(globalimage);
2793 }
2794 }
2795 else
2796 pdb_process_symbol_imports(pcs, msc_dbg, NULL, NULL, image,
2797 pdb_lookup, pdb_module_info, module_index);
2798
2799 pdb_free(symbols_image);
2800 pdb_free(files_image);
2801
2802 return TRUE;
2803 }
2804
2805 static BOOL pdb_process_file(const struct process* pcs,
2806 const struct msc_debug_info* msc_dbg,
2807 struct pdb_lookup* pdb_lookup)
2808 {
2809 BOOL ret;
2810 struct module_format* modfmt;
2811 struct pdb_module_info* pdb_module_info;
2812
2813 modfmt = HeapAlloc(GetProcessHeap(), 0,
2814 sizeof(struct module_format) + sizeof(struct pdb_module_info));
2815 if (!modfmt) return FALSE;
2816
2817 pdb_module_info = (void*)(modfmt + 1);
2818 msc_dbg->module->format_info[DFI_PDB] = modfmt;
2819 modfmt->module = msc_dbg->module;
2820 modfmt->remove = pdb_module_remove;
2821 modfmt->loc_compute = NULL;
2822 modfmt->u.pdb_info = pdb_module_info;
2823
2824 memset(cv_zmodules, 0, sizeof(cv_zmodules));
2825 codeview_init_basic_types(msc_dbg->module);
2826 ret = pdb_process_internal(pcs, msc_dbg, pdb_lookup,
2827 msc_dbg->module->format_info[DFI_PDB]->u.pdb_info, -1);
2828 codeview_clear_type_table();
2829 if (ret)
2830 {
2831 struct pdb_module_info* pdb_info = msc_dbg->module->format_info[DFI_PDB]->u.pdb_info;
2832 msc_dbg->module->module.SymType = SymCv;
2833 if (pdb_info->pdb_files[0].kind == PDB_JG)
2834 msc_dbg->module->module.PdbSig = pdb_info->pdb_files[0].u.jg.timestamp;
2835 else
2836 msc_dbg->module->module.PdbSig70 = pdb_info->pdb_files[0].u.ds.guid;
2837 msc_dbg->module->module.PdbAge = pdb_info->pdb_files[0].age;
2838 MultiByteToWideChar(CP_ACP, 0, pdb_lookup->filename, -1,
2839 msc_dbg->module->module.LoadedPdbName,
2840 sizeof(msc_dbg->module->module.LoadedPdbName) / sizeof(WCHAR));
2841 /* FIXME: we could have a finer grain here */
2842 msc_dbg->module->module.LineNumbers = TRUE;
2843 msc_dbg->module->module.GlobalSymbols = TRUE;
2844 msc_dbg->module->module.TypeInfo = TRUE;
2845 msc_dbg->module->module.SourceIndexed = TRUE;
2846 msc_dbg->module->module.Publics = TRUE;
2847 }
2848 else
2849 {
2850 msc_dbg->module->format_info[DFI_PDB] = NULL;
2851 HeapFree(GetProcessHeap(), 0, modfmt);
2852 }
2853 return ret;
2854 }
2855
2856 BOOL pdb_fetch_file_info(const struct pdb_lookup* pdb_lookup, unsigned* matched)
2857 {
2858 HANDLE hFile, hMap = NULL;
2859 char* image = NULL;
2860 BOOL ret;
2861 struct pdb_file_info pdb_file;
2862
2863 if ((hFile = CreateFileA(pdb_lookup->filename, GENERIC_READ, FILE_SHARE_READ, NULL,
2864 OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL)) == INVALID_HANDLE_VALUE ||
2865 ((hMap = CreateFileMappingW(hFile, NULL, PAGE_READONLY, 0, 0, NULL)) == NULL) ||
2866 ((image = MapViewOfFile(hMap, FILE_MAP_READ, 0, 0, 0)) == NULL))
2867 {
2868 WARN("Unable to open .PDB file: %s\n", pdb_lookup->filename);
2869 ret = FALSE;
2870 }
2871 else
2872 {
2873 ret = pdb_init(pdb_lookup, &pdb_file, image, matched);
2874 pdb_free_file(&pdb_file);
2875 }
2876
2877 if (image) UnmapViewOfFile(image);
2878 if (hMap) CloseHandle(hMap);
2879 if (hFile != INVALID_HANDLE_VALUE) CloseHandle(hFile);
2880
2881 return ret;
2882 }
2883
2884 /*========================================================================
2885 * FPO unwinding code
2886 */
2887
2888 /* Stack unwinding is based on postfixed operations.
2889 * Let's define our Postfix EValuator
2890 */
2891 #define PEV_MAX_LEN 32
2892 struct pevaluator
2893 {
2894 struct cpu_stack_walk* csw;
2895 struct pool pool;
2896 struct vector stack;
2897 unsigned stk_index;
2898 struct hash_table values;
2899 char error[64];
2900 };
2901
2902 struct zvalue
2903 {
2904 DWORD_PTR value;
2905 struct hash_table_elt elt;
2906 };
2907
2908 #define PEV_ERROR(pev, msg) snprintf((pev)->error, sizeof((pev)->error), "%s", (msg)),FALSE
2909 #define PEV_ERROR1(pev, msg, pmt) snprintf((pev)->error, sizeof((pev)->error), (msg), (pmt)),FALSE
2910
2911 #if 0
2912 static void pev_dump_stack(struct pevaluator* pev)
2913 {
2914 unsigned i;
2915 FIXME("stack #%d\n", pev->stk_index);
2916 for (i = 0; i < pev->stk_index; i++)
2917 {
2918 FIXME("\t%d) %s\n", i, *(char**)vector_at(&pev->stack, i));
2919 }
2920 }
2921 #endif
2922
2923 /* get the value out of an operand (variable or literal) */
2924 static BOOL pev_get_val(struct pevaluator* pev, const char* str, DWORD_PTR* val)
2925 {
2926 char* n;
2927 struct hash_table_iter hti;
2928 void* ptr;
2929
2930 switch (str[0])
2931 {
2932 case '$':
2933 case '.':
2934 hash_table_iter_init(&pev->values, &hti, str);
2935 while ((ptr = hash_table_iter_up(&hti)))
2936 {
2937 if (!strcmp(GET_ENTRY(ptr, struct zvalue, elt)->elt.name, str))
2938 {
2939 *val = GET_ENTRY(ptr, struct zvalue, elt)->value;
2940 return TRUE;
2941 }
2942 }
2943 return PEV_ERROR1(pev, "get_zvalue: no value found (%s)", str);
2944 default:
2945 *val = strtol(str, &n, 10);
2946 if (n == str || *n != '\0')
2947 return PEV_ERROR1(pev, "get_val: not a literal (%s)", str);
2948 return TRUE;
2949 }
2950 }
2951
2952 /* push an operand onto the stack */
2953 static BOOL pev_push(struct pevaluator* pev, const char* elt)
2954 {
2955 char** at;
2956 if (pev->stk_index < vector_length(&pev->stack))
2957 at = vector_at(&pev->stack, pev->stk_index);
2958 else
2959 at = vector_add(&pev->stack, &pev->pool);
2960 if (!at) return PEV_ERROR(pev, "push: out of memory");
2961 *at = pool_strdup(&pev->pool, elt);
2962 pev->stk_index++;
2963 return TRUE;
2964 }
2965
2966 /* pop an operand from the stack */
2967 static BOOL pev_pop(struct pevaluator* pev, char* elt)
2968 {
2969 char** at = vector_at(&pev->stack, --pev->stk_index);
2970 if (!at) return PEV_ERROR(pev, "pop: stack empty");
2971 strcpy(elt, *at);
2972 return TRUE;
2973 }
2974
2975 /* pop an operand from the stack, and gets its value */
2976 static BOOL pev_pop_val(struct pevaluator* pev, DWORD_PTR* val)
2977 {
2978 char p[PEV_MAX_LEN];
2979
2980 return pev_pop(pev, p) && pev_get_val(pev, p, val);
2981 }
2982
2983 /* set var 'name' a new value (creates the var if it doesn't exist) */
2984 static BOOL pev_set_value(struct pevaluator* pev, const char* name, DWORD_PTR val)
2985 {
2986 struct hash_table_iter hti;
2987 void* ptr;
2988
2989 hash_table_iter_init(&pev->values, &hti, name);
2990 while ((ptr = hash_table_iter_up(&hti)))
2991 {
2992 if (!strcmp(GET_ENTRY(ptr, struct zvalue, elt)->elt.name, name))
2993 {
2994 GET_ENTRY(ptr, struct zvalue, elt)->value = val;
2995 break;
2996 }
2997 }
2998 if (!ptr)
2999 {
3000 struct zvalue* zv = pool_alloc(&pev->pool, sizeof(*zv));
3001 if (!zv) return PEV_ERROR(pev, "set_value: out of memory");
3002 zv->value = val;
3003
3004 zv->elt.name = pool_strdup(&pev->pool, name);
3005 hash_table_add(&pev->values, &zv->elt);
3006 }
3007 return TRUE;
3008 }
3009
3010 /* execute a binary operand from the two top most values on the stack.
3011 * puts result on top of the stack */
3012 static BOOL pev_binop(struct pevaluator* pev, char op)
3013 {
3014 char res[PEV_MAX_LEN];
3015 DWORD_PTR v1, v2, c;
3016
3017 if (!pev_pop_val(pev, &v1) || !pev_pop_val(pev, &v2)) return FALSE;
3018 switch (op)
3019 {
3020 case '+': c = v1 + v2; break;
3021 case '-': c = v1 - v2; break;
3022 case '*': c = v1 * v2; break;
3023 case '/': c = v1 / v2; break;
3024 case '%': c = v1 % v2; break;
3025 default: return PEV_ERROR1(pev, "binop: unknown op (%c)", op);
3026 }
3027 snprintf(res, sizeof(res), "%ld", c);
3028 pev_push(pev, res);
3029 return TRUE;
3030 }
3031
3032 /* pops top most operand, dereference it, on pushes the result on top of the stack */
3033 static BOOL pev_deref(struct pevaluator* pev)
3034 {
3035 char res[PEV_MAX_LEN];
3036 DWORD_PTR v1, v2;
3037
3038 if (!pev_pop_val(pev, &v1)) return FALSE;
3039 if (!sw_read_mem(pev->csw, v1, &v2, sizeof(v2)))
3040 return PEV_ERROR1(pev, "deref: cannot read mem at %lx\n", v1);
3041 snprintf(res, sizeof(res), "%ld", v2);
3042 pev_push(pev, res);
3043 return TRUE;
3044 }
3045
3046 /* assign value to variable (from two top most operands) */
3047 static BOOL pev_assign(struct pevaluator* pev)
3048 {
3049 char p2[PEV_MAX_LEN];
3050 DWORD_PTR v1;
3051
3052 if (!pev_pop_val(pev, &v1) || !pev_pop(pev, p2)) return FALSE;
3053 if (p2[0] != '$') return PEV_ERROR1(pev, "assign: %s isn't a variable", p2);
3054 pev_set_value(pev, p2, v1);
3055
3056 return TRUE;
3057 }
3058
3059 /* initializes the postfix evaluator */
3060 static void pev_init(struct pevaluator* pev, struct cpu_stack_walk* csw,
3061 PDB_FPO_DATA* fpoext, struct pdb_cmd_pair* cpair)
3062 {
3063 pev->csw = csw;
3064 pool_init(&pev->pool, 512);
3065 vector_init(&pev->stack, sizeof(char*), 8);
3066 pev->stk_index = 0;
3067 hash_table_init(&pev->pool, &pev->values, 8);
3068 pev->error[0] = '\0';
3069 for (; cpair->name; cpair++)
3070 pev_set_value(pev, cpair->name, *cpair->pvalue);
3071 pev_set_value(pev, ".raSearchStart", fpoext->start);
3072 pev_set_value(pev, ".cbLocals", fpoext->locals_size);
3073 pev_set_value(pev, ".cbParams", fpoext->params_size);
3074 pev_set_value(pev, ".cbSavedRegs", fpoext->savedregs_size);
3075 }
3076
3077 static BOOL pev_free(struct pevaluator* pev, struct pdb_cmd_pair* cpair)
3078 {
3079 DWORD_PTR val;
3080
3081 if (cpair) for (; cpair->name; cpair++)
3082 {
3083 if (pev_get_val(pev, cpair->name, &val))
3084 *cpair->pvalue = val;
3085 }
3086 pool_destroy(&pev->pool);
3087 return TRUE;
3088 }
3089
3090 static BOOL pdb_parse_cmd_string(struct cpu_stack_walk* csw, PDB_FPO_DATA* fpoext,
3091 const char* cmd, struct pdb_cmd_pair* cpair)
3092 {
3093 char token[PEV_MAX_LEN];
3094 char* ptok = token;
3095 const char* ptr;
3096 BOOL over = FALSE;
3097 struct pevaluator pev;
3098
3099 pev_init(&pev, csw, fpoext, cpair);
3100 for (ptr = cmd; !over; ptr++)
3101 {
3102 if (*ptr == ' ' || (over = *ptr == '\0'))
3103 {
3104 *ptok = '\0';
3105
3106 if (!strcmp(token, "+") || !strcmp(token, "-") || !strcmp(token, "*") ||
3107 !strcmp(token, "/") || !strcmp(token, "%"))
3108 {
3109 if (!pev_binop(&pev, token[0])) goto done;
3110 }
3111 else if (!strcmp(token, "^"))
3112 {
3113 if (!pev_deref(&pev)) goto done;
3114 }
3115 else if (!strcmp(token, "="))
3116 {
3117 if (!pev_assign(&pev)) goto done;
3118 }
3119 else
3120 {
3121 if (!pev_push(&pev, token)) goto done;
3122 }
3123 ptok = token;
3124 }
3125 else
3126 {
3127 if (ptok - token >= PEV_MAX_LEN - 1)
3128 {
3129 PEV_ERROR1(&pev, "parse: token too long (%s)", ptr - (ptok - token));
3130 goto done;
3131 }
3132 *ptok++ = *ptr;
3133 }
3134 }
3135 pev_free(&pev, cpair);
3136 return TRUE;
3137 done:
3138 FIXME("Couldn't evaluate %s => %s\n", wine_dbgstr_a(cmd), pev.error);
3139 pev_free(&pev, NULL);
3140 return FALSE;
3141 }
3142
3143 BOOL pdb_virtual_unwind(struct cpu_stack_walk* csw, DWORD_PTR ip,
3144 CONTEXT* context, struct pdb_cmd_pair* cpair)
3145 {
3146 struct module_pair pair;
3147 struct pdb_module_info* pdb_info;
3148 PDB_FPO_DATA* fpoext;
3149 unsigned i, size, strsize;
3150 char* strbase;
3151 BOOL ret = TRUE;
3152
3153 if (!(pair.pcs = process_find_by_handle(csw->hProcess)) ||
3154 !(pair.requested = module_find_by_addr(pair.pcs, ip, DMT_UNKNOWN)) ||
3155 !module_get_debug(&pair))
3156 return FALSE;
3157 if (!pair.effective->format_info[DFI_PDB]) return FALSE;
3158 pdb_info = pair.effective->format_info[DFI_PDB]->u.pdb_info;
3159 TRACE("searching %lx => %lx\n", ip, ip - (DWORD_PTR)pair.effective->module.BaseOfImage);
3160 ip -= (DWORD_PTR)pair.effective->module.BaseOfImage;
3161
3162 strbase = pdb_read_strings(&pdb_info->pdb_files[0]);
3163 if (!strbase) return FALSE;
3164 strsize = *(const DWORD*)(strbase + 8);
3165 fpoext = pdb_read_file(&pdb_info->pdb_files[0], pdb_info->pdb_files[0].fpoext_stream);
3166 size = pdb_get_file_size(&pdb_info->pdb_files[0], pdb_info->pdb_files[0].fpoext_stream);
3167 if (fpoext && (size % sizeof(*fpoext)) == 0)
3168 {
3169 size /= sizeof(*fpoext);
3170 for (i = 0; i < size; i++)
3171 {
3172 if (fpoext[i].start <= ip && ip < fpoext[i].start + fpoext[i].func_size)
3173 {
3174 TRACE("\t%08x %08x %8x %8x %4x %4x %4x %08x %s\n",
3175 fpoext[i].start, fpoext[i].func_size, fpoext[i].locals_size,
3176 fpoext[i].params_size, fpoext[i].maxstack_size, fpoext[i].prolog_size,
3177 fpoext[i].savedregs_size, fpoext[i].flags,
3178 fpoext[i].str_offset < strsize ?
3179 wine_dbgstr_a(strbase + 12 + fpoext[i].str_offset) : "<out of bounds>");
3180 if (fpoext[i].str_offset < strsize)
3181 ret = pdb_parse_cmd_string(csw, &fpoext[i], strbase + 12 + fpoext[i].str_offset, cpair);
3182 else
3183 ret = FALSE;
3184 break;
3185 }
3186 }
3187 }
3188 else ret = FALSE;
3189 pdb_free(fpoext);
3190 pdb_free(strbase);
3191
3192 return ret;
3193 }
3194
3195 /*========================================================================
3196 * Process CodeView debug information.
3197 */
3198
3199 #define MAKESIG(a,b,c,d) ((a) | ((b) << 8) | ((c) << 16) | ((d) << 24))
3200 #define CODEVIEW_NB09_SIG MAKESIG('N','B','0','9')
3201 #define CODEVIEW_NB10_SIG MAKESIG('N','B','1','0')
3202 #define CODEVIEW_NB11_SIG MAKESIG('N','B','1','1')
3203 #define CODEVIEW_RSDS_SIG MAKESIG('R','S','D','S')
3204
3205 static BOOL codeview_process_info(const struct process* pcs,
3206 const struct msc_debug_info* msc_dbg)
3207 {
3208 const DWORD* signature = (const DWORD*)msc_dbg->root;
3209 BOOL ret = FALSE;
3210 struct pdb_lookup pdb_lookup;
3211
3212 TRACE("Processing signature %.4s\n", (const char*)signature);
3213
3214 switch (*signature)
3215 {
3216 case CODEVIEW_NB09_SIG:
3217 case CODEVIEW_NB11_SIG:
3218 {
3219 const OMFSignature* cv = (const OMFSignature*)msc_dbg->root;
3220 const OMFDirHeader* hdr = (const OMFDirHeader*)(msc_dbg->root + cv->filepos);
3221 const OMFDirEntry* ent;
3222 const OMFDirEntry* prev;
3223 const OMFDirEntry* next;
3224 unsigned int i;
3225
3226 codeview_init_basic_types(msc_dbg->module);
3227
3228 for (i = 0; i < hdr->cDir; i++)
3229 {
3230 ent = (const OMFDirEntry*)((const BYTE*)hdr + hdr->cbDirHeader + i * hdr->cbDirEntry);
3231 if (ent->SubSection == sstGlobalTypes)
3232 {
3233 const OMFGlobalTypes* types;
3234 struct codeview_type_parse ctp;
3235
3236 types = (const OMFGlobalTypes*)(msc_dbg->root + ent->lfo);
3237 ctp.module = msc_dbg->module;
3238 ctp.offset = (const DWORD*)(types + 1);
3239 ctp.num = types->cTypes;
3240 ctp.table = (const BYTE*)(ctp.offset + types->cTypes);
3241
3242 cv_current_module = &cv_zmodules[0];
3243 if (cv_current_module->allowed) FIXME("Already allowed ??\n");
3244 cv_current_module->allowed = TRUE;
3245
3246 codeview_parse_type_table(&ctp);
3247 break;
3248 }
3249 }
3250
3251 ent = (const OMFDirEntry*)((const BYTE*)hdr + hdr->cbDirHeader);
3252 for (i = 0; i < hdr->cDir; i++, ent = next)
3253 {
3254 next = (i == hdr->cDir-1) ? NULL :
3255 (const OMFDirEntry*)((const BYTE*)ent + hdr->cbDirEntry);
3256 prev = (i == 0) ? NULL :
3257 (const OMFDirEntry*)((const BYTE*)ent - hdr->cbDirEntry);
3258
3259 if (ent->SubSection == sstAlignSym)
3260 {
3261 codeview_snarf(msc_dbg, msc_dbg->root + ent->lfo, sizeof(DWORD),
3262 ent->cb, TRUE);
3263
3264 /*
3265 * Check the next and previous entry. If either is a
3266 * sstSrcModule, it contains the line number info for
3267 * this file.
3268 *
3269 * FIXME: This is not a general solution!
3270 */
3271 if (next && next->iMod == ent->iMod && next->SubSection == sstSrcModule)
3272 codeview_snarf_linetab(msc_dbg, msc_dbg->root + next->lfo,
3273 next->cb, TRUE);
3274
3275 if (prev && prev->iMod == ent->iMod && prev->SubSection == sstSrcModule)
3276 codeview_snarf_linetab(msc_dbg, msc_dbg->root + prev->lfo,
3277 prev->cb, TRUE);
3278
3279 }
3280 }
3281
3282 msc_dbg->module->module.SymType = SymCv;
3283 /* FIXME: we could have a finer grain here */
3284 msc_dbg->module->module.LineNumbers = TRUE;
3285 msc_dbg->module->module.GlobalSymbols = TRUE;
3286 msc_dbg->module->module.TypeInfo = TRUE;
3287 msc_dbg->module->module.SourceIndexed = TRUE;
3288 msc_dbg->module->module.Publics = TRUE;
3289 codeview_clear_type_table();
3290 ret = TRUE;
3291 break;
3292 }
3293
3294 case CODEVIEW_NB10_SIG:
3295 {
3296 const CODEVIEW_PDB_DATA* pdb = (const CODEVIEW_PDB_DATA*)msc_dbg->root;
3297 pdb_lookup.filename = pdb->name;
3298 pdb_lookup.kind = PDB_JG;
3299 pdb_lookup.timestamp = pdb->timestamp;
3300 pdb_lookup.age = pdb->age;
3301 ret = pdb_process_file(pcs, msc_dbg, &pdb_lookup);
3302 break;
3303 }
3304 case CODEVIEW_RSDS_SIG:
3305 {
3306 const OMFSignatureRSDS* rsds = (const OMFSignatureRSDS*)msc_dbg->root;
3307
3308 TRACE("Got RSDS type of PDB file: guid=%s age=%08x name=%s\n",
3309 wine_dbgstr_guid(&rsds->guid), rsds->age, rsds->name);
3310 pdb_lookup.filename = rsds->name;
3311 pdb_lookup.kind = PDB_DS;
3312 pdb_lookup.guid = rsds->guid;
3313 pdb_lookup.age = rsds->age;
3314 ret = pdb_process_file(pcs, msc_dbg, &pdb_lookup);
3315 break;
3316 }
3317 default:
3318 ERR("Unknown CODEVIEW signature %08x in module %s\n",
3319 *signature, debugstr_w(msc_dbg->module->module.ModuleName));
3320 break;
3321 }
3322 if (ret)
3323 {
3324 msc_dbg->module->module.CVSig = *signature;
3325 memcpy(msc_dbg->module->module.CVData, msc_dbg->root,
3326 sizeof(msc_dbg->module->module.CVData));
3327 }
3328 return ret;
3329 }
3330
3331 /*========================================================================
3332 * Process debug directory.
3333 */
3334 BOOL pe_load_debug_directory(const struct process* pcs, struct module* module,
3335 const BYTE* mapping,
3336 const IMAGE_SECTION_HEADER* sectp, DWORD nsect,
3337 const IMAGE_DEBUG_DIRECTORY* dbg, int nDbg)
3338 {
3339 BOOL ret;
3340 int i;
3341 struct msc_debug_info msc_dbg;
3342
3343 msc_dbg.module = module;
3344 msc_dbg.nsect = nsect;
3345 msc_dbg.sectp = sectp;
3346 msc_dbg.nomap = 0;
3347 msc_dbg.omapp = NULL;
3348
3349 __TRY
3350 {
3351 ret = FALSE;
3352
3353 /* First, watch out for OMAP data */
3354 for (i = 0; i < nDbg; i++)
3355 {
3356 if (dbg[i].Type == IMAGE_DEBUG_TYPE_OMAP_FROM_SRC)
3357 {
3358 msc_dbg.nomap = dbg[i].SizeOfData / sizeof(OMAP_DATA);
3359 msc_dbg.omapp = (const OMAP_DATA*)(mapping + dbg[i].PointerToRawData);
3360 break;
3361 }
3362 }
3363
3364 /* Now, try to parse CodeView debug info */
3365 for (i = 0; i < nDbg; i++)
3366 {
3367 if (dbg[i].Type == IMAGE_DEBUG_TYPE_CODEVIEW)
3368 {
3369 msc_dbg.root = mapping + dbg[i].PointerToRawData;
3370 if ((ret = codeview_process_info(pcs, &msc_dbg))) goto done;
3371 }
3372 }
3373
3374 /* If not found, try to parse COFF debug info */
3375 for (i = 0; i < nDbg; i++)
3376 {
3377 if (dbg[i].Type == IMAGE_DEBUG_TYPE_COFF)
3378 {
3379 msc_dbg.root = mapping + dbg[i].PointerToRawData;
3380 if ((ret = coff_process_info(&msc_dbg))) goto done;
3381 }
3382 }
3383 done:
3384 /* FIXME: this should be supported... this is the debug information for
3385 * functions compiled without a frame pointer (FPO = frame pointer omission)
3386 * the associated data helps finding out the relevant information
3387 */
3388 for (i = 0; i < nDbg; i++)
3389 if (dbg[i].Type == IMAGE_DEBUG_TYPE_FPO)
3390 FIXME("This guy has FPO information\n");
3391 #if 0
3392
3393 #define FRAME_FPO 0
3394 #define FRAME_TRAP 1
3395 #define FRAME_TSS 2
3396
3397 typedef struct _FPO_DATA
3398 {
3399 DWORD ulOffStart; /* offset 1st byte of function code */
3400 DWORD cbProcSize; /* # bytes in function */
3401 DWORD cdwLocals; /* # bytes in locals/4 */
3402 WORD cdwParams; /* # bytes in params/4 */
3403
3404 WORD cbProlog : 8; /* # bytes in prolog */
3405 WORD cbRegs : 3; /* # regs saved */
3406 WORD fHasSEH : 1; /* TRUE if SEH in func */
3407 WORD fUseBP : 1; /* TRUE if EBP has been allocated */
3408 WORD reserved : 1; /* reserved for future use */
3409 WORD cbFrame : 2; /* frame type */
3410 } FPO_DATA;
3411 #endif
3412
3413 }
3414 __EXCEPT_PAGE_FAULT
3415 {
3416 ERR("Got a page fault while loading symbols\n");
3417 ret = FALSE;
3418 }
3419 __ENDTRY
3420 return ret;
3421 }
Maarten's multimedia branch