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Release 0.9.14.
[wine/multimedia.git] / dlls / dbghelp / msc.c
blob4f044fb7e1018c69f5a6ad82a287d14b32dd3c83
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) 2004-2006, 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 #include "config.h"
36 #include "wine/port.h"
37
38 #include <assert.h>
39 #include <stdio.h>
40 #include <stdlib.h>
41
42 #include <string.h>
43 #ifdef HAVE_UNISTD_H
44 # include <unistd.h>
45 #endif
46 #ifndef PATH_MAX
47 #define PATH_MAX MAX_PATH
48 #endif
49 #include <stdarg.h>
50 #include "windef.h"
51 #include "winbase.h"
52 #include "winreg.h"
53 #include "winternl.h"
54
55 #include "wine/exception.h"
56 #include "wine/debug.h"
57 #include "excpt.h"
58 #include "dbghelp_private.h"
59 #include "mscvpdb.h"
60
61 WINE_DEFAULT_DEBUG_CHANNEL(dbghelp_msc);
62
63 #define MAX_PATHNAME_LEN 1024
64
65 /*========================================================================
66 * Debug file access helper routines
67 */
68
69 static void dump(const void* ptr, unsigned len)
70 {
71 int i, j;
72 char msg[128];
73 const char* hexof = "0123456789abcdef";
74 const BYTE* x = (const BYTE*)ptr;
75
76 for (i = 0; i < len; i += 16)
77 {
78 sprintf(msg, "%08x: ", i);
79 memset(msg + 10, ' ', 3 * 16 + 1 + 16);
80 for (j = 0; j < min(16, len - i); j++)
81 {
82 msg[10 + 3 * j + 0] = hexof[x[i + j] >> 4];
83 msg[10 + 3 * j + 1] = hexof[x[i + j] & 15];
84 msg[10 + 3 * j + 2] = ' ';
85 msg[10 + 3 * 16 + 1 + j] = (x[i + j] >= 0x20 && x[i + j] < 0x7f) ?
86 x[i + j] : '.';
87 }
88 msg[10 + 3 * 16] = ' ';
89 msg[10 + 3 * 16 + 1 + 16] = '\0';
90 FIXME("%s\n", msg);
91 }
92 }
93
94 /*========================================================================
95 * Process CodeView type information.
96 */
97
98 #define MAX_BUILTIN_TYPES 0x0480
99 #define FIRST_DEFINABLE_TYPE 0x1000
100
101 static struct symt* cv_basic_types[MAX_BUILTIN_TYPES];
102
103 struct cv_defined_module
104 {
105 BOOL allowed;
106 unsigned int num_defined_types;
107 struct symt** defined_types;
108 };
109 /* FIXME: don't make it static */
110 #define CV_MAX_MODULES 32
111 static struct cv_defined_module cv_zmodules[CV_MAX_MODULES];
112 static struct cv_defined_module*cv_current_module;
113
114 static void codeview_init_basic_types(struct module* module)
115 {
116 /*
117 * These are the common builtin types that are used by VC++.
118 */
119 cv_basic_types[T_NOTYPE] = NULL;
120 cv_basic_types[T_ABS] = NULL;
121 cv_basic_types[T_VOID] = &symt_new_basic(module, btVoid, "void", 0)->symt;
122 cv_basic_types[T_CHAR] = &symt_new_basic(module, btChar, "char", 1)->symt;
123 cv_basic_types[T_SHORT] = &symt_new_basic(module, btInt, "short int", 2)->symt;
124 cv_basic_types[T_LONG] = &symt_new_basic(module, btInt, "long int", 4)->symt;
125 cv_basic_types[T_QUAD] = &symt_new_basic(module, btInt, "long long int", 8)->symt;
126 cv_basic_types[T_UCHAR] = &symt_new_basic(module, btUInt, "unsigned char", 1)->symt;
127 cv_basic_types[T_USHORT] = &symt_new_basic(module, btUInt, "unsigned short", 2)->symt;
128 cv_basic_types[T_ULONG] = &symt_new_basic(module, btUInt, "unsigned long", 4)->symt;
129 cv_basic_types[T_UQUAD] = &symt_new_basic(module, btUInt, "unsigned long long", 8)->symt;
130 cv_basic_types[T_REAL32] = &symt_new_basic(module, btFloat, "float", 4)->symt;
131 cv_basic_types[T_REAL64] = &symt_new_basic(module, btFloat, "double", 8)->symt;
132 cv_basic_types[T_RCHAR] = &symt_new_basic(module, btInt, "signed char", 1)->symt;
133 cv_basic_types[T_WCHAR] = &symt_new_basic(module, btWChar, "wchar_t", 2)->symt;
134 cv_basic_types[T_INT4] = &symt_new_basic(module, btInt, "INT4", 4)->symt;
135 cv_basic_types[T_UINT4] = &symt_new_basic(module, btUInt, "UINT4", 4)->symt;
136
137 cv_basic_types[T_32PVOID] = &symt_new_pointer(module, cv_basic_types[T_VOID])->symt;
138 cv_basic_types[T_32PCHAR] = &symt_new_pointer(module, cv_basic_types[T_CHAR])->symt;
139 cv_basic_types[T_32PSHORT] = &symt_new_pointer(module, cv_basic_types[T_SHORT])->symt;
140 cv_basic_types[T_32PLONG] = &symt_new_pointer(module, cv_basic_types[T_LONG])->symt;
141 cv_basic_types[T_32PQUAD] = &symt_new_pointer(module, cv_basic_types[T_QUAD])->symt;
142 cv_basic_types[T_32PUCHAR] = &symt_new_pointer(module, cv_basic_types[T_UCHAR])->symt;
143 cv_basic_types[T_32PUSHORT] = &symt_new_pointer(module, cv_basic_types[T_USHORT])->symt;
144 cv_basic_types[T_32PULONG] = &symt_new_pointer(module, cv_basic_types[T_ULONG])->symt;
145 cv_basic_types[T_32PUQUAD] = &symt_new_pointer(module, cv_basic_types[T_UQUAD])->symt;
146 cv_basic_types[T_32PREAL32] = &symt_new_pointer(module, cv_basic_types[T_REAL32])->symt;
147 cv_basic_types[T_32PREAL64] = &symt_new_pointer(module, cv_basic_types[T_REAL64])->symt;
148 cv_basic_types[T_32PRCHAR] = &symt_new_pointer(module, cv_basic_types[T_RCHAR])->symt;
149 cv_basic_types[T_32PWCHAR] = &symt_new_pointer(module, cv_basic_types[T_WCHAR])->symt;
150 cv_basic_types[T_32PINT4] = &symt_new_pointer(module, cv_basic_types[T_INT4])->symt;
151 cv_basic_types[T_32PUINT4] = &symt_new_pointer(module, cv_basic_types[T_UINT4])->symt;
152 }
153
154 static int numeric_leaf(int* value, const unsigned short int* leaf)
155 {
156 unsigned short int type = *leaf++;
157 int length = 2;
158
159 if (type < LF_NUMERIC)
160 {
161 *value = type;
162 }
163 else
164 {
165 switch (type)
166 {
167 case LF_CHAR:
168 length += 1;
169 *value = *(const char*)leaf;
170 break;
171
172 case LF_SHORT:
173 length += 2;
174 *value = *(const short*)leaf;
175 break;
176
177 case LF_USHORT:
178 length += 2;
179 *value = *(const unsigned short*)leaf;
180 break;
181
182 case LF_LONG:
183 length += 4;
184 *value = *(const int*)leaf;
185 break;
186
187 case LF_ULONG:
188 length += 4;
189 *value = *(const unsigned int*)leaf;
190 break;
191
192 case LF_QUADWORD:
193 case LF_UQUADWORD:
194 FIXME("Unsupported numeric leaf type %04x\n", type);
195 length += 8;
196 *value = 0; /* FIXME */
197 break;
198
199 case LF_REAL32:
200 FIXME("Unsupported numeric leaf type %04x\n", type);
201 length += 4;
202 *value = 0; /* FIXME */
203 break;
204
205 case LF_REAL48:
206 FIXME("Unsupported numeric leaf type %04x\n", type);
207 length += 6;
208 *value = 0; /* FIXME */
209 break;
210
211 case LF_REAL64:
212 FIXME("Unsupported numeric leaf type %04x\n", type);
213 length += 8;
214 *value = 0; /* FIXME */
215 break;
216
217 case LF_REAL80:
218 FIXME("Unsupported numeric leaf type %04x\n", type);
219 length += 10;
220 *value = 0; /* FIXME */
221 break;
222
223 case LF_REAL128:
224 FIXME("Unsupported numeric leaf type %04x\n", type);
225 length += 16;
226 *value = 0; /* FIXME */
227 break;
228
229 case LF_COMPLEX32:
230 FIXME("Unsupported numeric leaf type %04x\n", type);
231 length += 4;
232 *value = 0; /* FIXME */
233 break;
234
235 case LF_COMPLEX64:
236 FIXME("Unsupported numeric leaf type %04x\n", type);
237 length += 8;
238 *value = 0; /* FIXME */
239 break;
240
241 case LF_COMPLEX80:
242 FIXME("Unsupported numeric leaf type %04x\n", type);
243 length += 10;
244 *value = 0; /* FIXME */
245 break;
246
247 case LF_COMPLEX128:
248 FIXME("Unsupported numeric leaf type %04x\n", type);
249 length += 16;
250 *value = 0; /* FIXME */
251 break;
252
253 case LF_VARSTRING:
254 FIXME("Unsupported numeric leaf type %04x\n", type);
255 length += 2 + *leaf;
256 *value = 0; /* FIXME */
257 break;
258
259 default:
260 FIXME("Unknown numeric leaf type %04x\n", type);
261 *value = 0;
262 break;
263 }
264 }
265
266 return length;
267 }
268
269 /* convert a pascal string (as stored in debug information) into
270 * a C string (null terminated).
271 */
272 static const char* terminate_string(const struct p_string* p_name)
273 {
274 static char symname[256];
275
276 memcpy(symname, p_name->name, p_name->namelen);
277 symname[p_name->namelen] = '\0';
278
279 return (!*symname || strcmp(symname, "__unnamed") == 0) ? NULL : symname;
280 }
281
282 static struct symt* codeview_get_type(unsigned int typeno, BOOL quiet)
283 {
284 struct symt* symt = NULL;
285
286 /*
287 * Convert Codeview type numbers into something we can grok internally.
288 * Numbers < FIRST_DEFINABLE_TYPE are all fixed builtin types.
289 * Numbers from FIRST_DEFINABLE_TYPE and up are all user defined (structs, etc).
290 */
291 if (typeno < FIRST_DEFINABLE_TYPE)
292 {
293 if (typeno < MAX_BUILTIN_TYPES)
294 symt = cv_basic_types[typeno];
295 }
296 else
297 {
298 unsigned mod_index = typeno >> 24;
299 unsigned mod_typeno = typeno & 0x00FFFFFF;
300 struct cv_defined_module* mod;
301
302 mod = (mod_index == 0) ? cv_current_module : &cv_zmodules[mod_index];
303
304 if (mod_index >= CV_MAX_MODULES || !mod->allowed)
305 FIXME("Module of index %d isn't loaded yet (%x)\n", mod_index, typeno);
306 else
307 {
308 if (mod_typeno - FIRST_DEFINABLE_TYPE < mod->num_defined_types)
309 symt = mod->defined_types[mod_typeno - FIRST_DEFINABLE_TYPE];
310 }
311 }
312 if (!quiet && !symt && typeno) FIXME("Returning NULL symt for type-id %x\n", typeno);
313 return symt;
314 }
315
316 struct codeview_type_parse
317 {
318 struct module* module;
319 const BYTE* table;
320 const DWORD* offset;
321 DWORD num;
322 };
323
324 static inline const void* codeview_jump_to_type(struct codeview_type_parse* ctp, DWORD idx)
325 {
326 if (idx < FIRST_DEFINABLE_TYPE) return NULL;
327 idx -= FIRST_DEFINABLE_TYPE;
328 return (idx >= ctp->num) ? NULL : (ctp->table + ctp->offset[idx]);
329 }
330
331 static int codeview_add_type(unsigned int typeno, struct symt* dt)
332 {
333 if (typeno < FIRST_DEFINABLE_TYPE)
334 FIXME("What the heck\n");
335 if (!cv_current_module)
336 {
337 FIXME("Adding %x to non allowed module\n", typeno);
338 return FALSE;
339 }
340 if ((typeno >> 24) != 0)
341 FIXME("No module index while inserting type-id assumption is wrong %x\n",
342 typeno);
343 while (typeno - FIRST_DEFINABLE_TYPE >= cv_current_module->num_defined_types)
344 {
345 cv_current_module->num_defined_types += 0x100;
346 if (cv_current_module->defined_types)
347 cv_current_module->defined_types = (struct symt**)
348 HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
349 cv_current_module->defined_types,
350 cv_current_module->num_defined_types * sizeof(struct symt*));
351 else
352 cv_current_module->defined_types = (struct symt**)
353 HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
354 cv_current_module->num_defined_types * sizeof(struct symt*));
355
356 if (cv_current_module->defined_types == NULL) return FALSE;
357 }
358 if (cv_current_module->defined_types[typeno - FIRST_DEFINABLE_TYPE])
359 {
360 if (cv_current_module->defined_types[typeno - FIRST_DEFINABLE_TYPE] != dt)
361 FIXME("Overwritting at %x\n", typeno);
362 }
363 cv_current_module->defined_types[typeno - FIRST_DEFINABLE_TYPE] = dt;
364 return TRUE;
365 }
366
367 static void codeview_clear_type_table(void)
368 {
369 int i;
370
371 for (i = 0; i < CV_MAX_MODULES; i++)
372 {
373 if (cv_zmodules[i].allowed && cv_zmodules[i].defined_types)
374 HeapFree(GetProcessHeap(), 0, cv_zmodules[i].defined_types);
375 cv_zmodules[i].allowed = FALSE;
376 cv_zmodules[i].defined_types = NULL;
377 cv_zmodules[i].num_defined_types = 0;
378 }
379 cv_current_module = NULL;
380 }
381
382 static struct symt* codeview_parse_one_type(struct codeview_type_parse* ctp,
383 unsigned curr_type,
384 const union codeview_type* type, BOOL details);
385
386 static void* codeview_cast_symt(struct symt* symt, enum SymTagEnum tag)
387 {
388 if (symt->tag != tag)
389 {
390 FIXME("Bad tag. Expected %d, but got %d\n", tag, symt->tag);
391 return NULL;
392 }
393 return symt;
394 }
395
396 static struct symt* codeview_fetch_type(struct codeview_type_parse* ctp,
397 unsigned typeno)
398 {
399 struct symt* symt;
400 const union codeview_type* p;
401
402 if (!typeno) return NULL;
403 if ((symt = codeview_get_type(typeno, TRUE))) return symt;
404
405 /* forward declaration */
406 if (!(p = codeview_jump_to_type(ctp, typeno)))
407 {
408 FIXME("Cannot locate type %x\n", typeno);
409 return NULL;
410 }
411 symt = codeview_parse_one_type(ctp, typeno, p, FALSE);
412 if (!symt) FIXME("Couldn't load forward type %x\n", typeno);
413 return symt;
414 }
415
416 static struct symt* codeview_add_type_pointer(struct codeview_type_parse* ctp,
417 struct symt* existing,
418 unsigned int pointee_type)
419 {
420 struct symt* pointee;
421
422 if (existing)
423 {
424 existing = codeview_cast_symt(existing, SymTagPointerType);
425 return existing;
426 }
427 pointee = codeview_fetch_type(ctp, pointee_type);
428 return &symt_new_pointer(ctp->module, pointee)->symt;
429 }
430
431 static struct symt* codeview_add_type_array(struct codeview_type_parse* ctp,
432 const char* name,
433 unsigned int elemtype,
434 unsigned int indextype,
435 unsigned int arr_len)
436 {
437 struct symt* elem = codeview_fetch_type(ctp, elemtype);
438 struct symt* index = codeview_fetch_type(ctp, indextype);
439 DWORD arr_max = 0;
440
441 if (elem)
442 {
443 DWORD64 elem_size;
444 symt_get_info(elem, TI_GET_LENGTH, &elem_size);
445 if (elem_size) arr_max = arr_len / (DWORD)elem_size;
446 }
447 return &symt_new_array(ctp->module, 0, arr_max, elem, index)->symt;
448 }
449
450 static int codeview_add_type_enum_field_list(struct module* module,
451 struct symt_enum* symt,
452 const union codeview_reftype* ref_type)
453 {
454 const unsigned char* ptr = ref_type->fieldlist.list;
455 const unsigned char* last = (const BYTE*)ref_type + ref_type->generic.len + 2;
456 const union codeview_fieldtype* type;
457
458 while (ptr < last)
459 {
460 if (*ptr >= 0xf0) /* LF_PAD... */
461 {
462 ptr += *ptr & 0x0f;
463 continue;
464 }
465
466 type = (const union codeview_fieldtype*)ptr;
467
468 switch (type->generic.id)
469 {
470 case LF_ENUMERATE_V1:
471 {
472 int value, vlen = numeric_leaf(&value, &type->enumerate_v1.value);
473 const struct p_string* p_name = (const struct p_string*)((const unsigned char*)&type->enumerate_v1.value + vlen);
474
475 symt_add_enum_element(module, symt, terminate_string(p_name), value);
476 ptr += 2 + 2 + vlen + (1 + p_name->namelen);
477 break;
478 }
479 case LF_ENUMERATE_V3:
480 {
481 int value, vlen = numeric_leaf(&value, &type->enumerate_v3.value);
482 const char* name = (const char*)&type->enumerate_v3.value + vlen;
483
484 symt_add_enum_element(module, symt, name, value);
485 ptr += 2 + 2 + vlen + (1 + strlen(name));
486 break;
487 }
488
489 default:
490 FIXME("Unsupported type %04x in ENUM field list\n", type->generic.id);
491 return FALSE;
492 }
493 }
494 return TRUE;
495 }
496
497 static void codeview_add_udt_element(struct codeview_type_parse* ctp,
498 struct symt_udt* symt, const char* name,
499 int value, unsigned type)
500 {
501 struct symt* subtype;
502 const union codeview_reftype*cv_type;
503
504 if ((cv_type = codeview_jump_to_type(ctp, type)))
505 {
506 switch (cv_type->generic.id)
507 {
508 case LF_BITFIELD_V1:
509 symt_add_udt_element(ctp->module, symt, name,
510 codeview_fetch_type(ctp, cv_type->bitfield_v1.type),
511 cv_type->bitfield_v1.bitoff,
512 cv_type->bitfield_v1.nbits);
513 return;
514 case LF_BITFIELD_V2:
515 symt_add_udt_element(ctp->module, symt, name,
516 codeview_fetch_type(ctp, cv_type->bitfield_v2.type),
517 cv_type->bitfield_v2.bitoff,
518 cv_type->bitfield_v2.nbits);
519 return;
520 }
521 }
522 subtype = codeview_fetch_type(ctp, type);
523
524 if (subtype)
525 {
526 DWORD64 elem_size = 0;
527 symt_get_info(subtype, TI_GET_LENGTH, &elem_size);
528 symt_add_udt_element(ctp->module, symt, name, subtype,
529 value << 3, (DWORD)elem_size << 3);
530 }
531 }
532
533 static int codeview_add_type_struct_field_list(struct codeview_type_parse* ctp,
534 struct symt_udt* symt,
535 unsigned fieldlistno)
536 {
537 const unsigned char* ptr;
538 const unsigned char* last;
539 int value, leaf_len;
540 const struct p_string* p_name;
541 const char* c_name;
542 const union codeview_reftype*type_ref;
543 const union codeview_fieldtype* type;
544
545 if (!fieldlistno) return TRUE;
546 type_ref = codeview_jump_to_type(ctp, fieldlistno);
547 ptr = type_ref->fieldlist.list;
548 last = (const BYTE*)type_ref + type_ref->generic.len + 2;
549
550 while (ptr < last)
551 {
552 if (*ptr >= 0xf0) /* LF_PAD... */
553 {
554 ptr += *ptr & 0x0f;
555 continue;
556 }
557
558 type = (const union codeview_fieldtype*)ptr;
559
560 switch (type->generic.id)
561 {
562 case LF_BCLASS_V1:
563 leaf_len = numeric_leaf(&value, &type->bclass_v1.offset);
564
565 /* FIXME: ignored for now */
566
567 ptr += 2 + 2 + 2 + leaf_len;
568 break;
569
570 case LF_BCLASS_V2:
571 leaf_len = numeric_leaf(&value, &type->bclass_v2.offset);
572
573 /* FIXME: ignored for now */
574
575 ptr += 2 + 2 + 4 + leaf_len;
576 break;
577
578 case LF_VBCLASS_V1:
579 case LF_IVBCLASS_V1:
580 {
581 const unsigned short int* p_vboff;
582 int vpoff, vplen;
583 leaf_len = numeric_leaf(&value, &type->vbclass_v1.vbpoff);
584 p_vboff = (const unsigned short int*)((const char*)&type->vbclass_v1.vbpoff + leaf_len);
585 vplen = numeric_leaf(&vpoff, p_vboff);
586
587 /* FIXME: ignored for now */
588
589 ptr += 2 + 2 + 2 + 2 + leaf_len + vplen;
590 }
591 break;
592
593 case LF_VBCLASS_V2:
594 case LF_IVBCLASS_V2:
595 {
596 const unsigned short int* p_vboff;
597 int vpoff, vplen;
598 leaf_len = numeric_leaf(&value, &type->vbclass_v2.vbpoff);
599 p_vboff = (const unsigned short int*)((const char*)&type->vbclass_v2.vbpoff + leaf_len);
600 vplen = numeric_leaf(&vpoff, p_vboff);
601
602 /* FIXME: ignored for now */
603
604 ptr += 2 + 2 + 4 + 4 + leaf_len + vplen;
605 }
606 break;
607
608 case LF_MEMBER_V1:
609 leaf_len = numeric_leaf(&value, &type->member_v1.offset);
610 p_name = (const struct p_string*)((const char*)&type->member_v1.offset + leaf_len);
611
612 codeview_add_udt_element(ctp, symt, terminate_string(p_name), value,
613 type->member_v1.type);
614
615 ptr += 2 + 2 + 2 + leaf_len + (1 + p_name->namelen);
616 break;
617
618 case LF_MEMBER_V2:
619 leaf_len = numeric_leaf(&value, &type->member_v2.offset);
620 p_name = (const struct p_string*)((const unsigned char*)&type->member_v2.offset + leaf_len);
621
622 codeview_add_udt_element(ctp, symt, terminate_string(p_name), value,
623 type->member_v2.type);
624
625 ptr += 2 + 2 + 4 + leaf_len + (1 + p_name->namelen);
626 break;
627
628 case LF_MEMBER_V3:
629 leaf_len = numeric_leaf(&value, &type->member_v3.offset);
630 c_name = (const char*)&type->member_v3.offset + leaf_len;
631
632 codeview_add_udt_element(ctp, symt, c_name, value, type->member_v3.type);
633
634 ptr += 2 + 2 + 4 + leaf_len + (strlen(c_name) + 1);
635 break;
636
637 case LF_STMEMBER_V1:
638 /* FIXME: ignored for now */
639 ptr += 2 + 2 + 2 + (1 + type->stmember_v1.p_name.namelen);
640 break;
641
642 case LF_STMEMBER_V2:
643 /* FIXME: ignored for now */
644 ptr += 2 + 4 + 2 + (1 + type->stmember_v2.p_name.namelen);
645 break;
646
647 case LF_METHOD_V1:
648 /* FIXME: ignored for now */
649 ptr += 2 + 2 + 2 + (1 + type->method_v1.p_name.namelen);
650 break;
651
652 case LF_METHOD_V2:
653 /* FIXME: ignored for now */
654 ptr += 2 + 2 + 4 + (1 + type->method_v2.p_name.namelen);
655 break;
656
657 case LF_NESTTYPE_V1:
658 /* FIXME: ignored for now */
659 ptr += 2 + 2 + (1 + type->nesttype_v1.p_name.namelen);
660 break;
661
662 case LF_NESTTYPE_V2:
663 /* FIXME: ignored for now */
664 ptr += 2 + 2 + 4 + (1 + type->nesttype_v2.p_name.namelen);
665 break;
666
667 case LF_VFUNCTAB_V1:
668 /* FIXME: ignored for now */
669 ptr += 2 + 2;
670 break;
671
672 case LF_VFUNCTAB_V2:
673 /* FIXME: ignored for now */
674 ptr += 2 + 2 + 4;
675 break;
676
677 case LF_ONEMETHOD_V1:
678 /* FIXME: ignored for now */
679 switch ((type->onemethod_v1.attribute >> 2) & 7)
680 {
681 case 4: case 6: /* (pure) introducing virtual method */
682 ptr += 2 + 2 + 2 + 4 + (1 + type->onemethod_virt_v1.p_name.namelen);
683 break;
684
685 default:
686 ptr += 2 + 2 + 2 + (1 + type->onemethod_v1.p_name.namelen);
687 break;
688 }
689 break;
690
691 case LF_ONEMETHOD_V2:
692 /* FIXME: ignored for now */
693 switch ((type->onemethod_v2.attribute >> 2) & 7)
694 {
695 case 4: case 6: /* (pure) introducing virtual method */
696 ptr += 2 + 2 + 4 + 4 + (1 + type->onemethod_virt_v2.p_name.namelen);
697 break;
698
699 default:
700 ptr += 2 + 2 + 4 + (1 + type->onemethod_v2.p_name.namelen);
701 break;
702 }
703 break;
704
705 default:
706 FIXME("Unsupported type %04x in STRUCT field list\n", type->generic.id);
707 return FALSE;
708 }
709 }
710
711 return TRUE;
712 }
713
714 static struct symt* codeview_add_type_enum(struct codeview_type_parse* ctp,
715 struct symt* existing,
716 const char* name,
717 unsigned fieldlistno)
718 {
719 struct symt_enum* symt;
720
721 if (existing)
722 {
723 if (!(symt = codeview_cast_symt(existing, SymTagEnum))) return NULL;
724 /* should also check that all fields are the same */
725 }
726 else
727 {
728 symt = symt_new_enum(ctp->module, name);
729 if (fieldlistno)
730 {
731 const union codeview_reftype* fieldlist;
732 fieldlist = codeview_jump_to_type(ctp, fieldlistno);
733 codeview_add_type_enum_field_list(ctp->module, symt, fieldlist);
734 }
735 }
736 return &symt->symt;
737 }
738
739 static struct symt* codeview_add_type_struct(struct codeview_type_parse* ctp,
740 struct symt* existing,
741 const char* name, int structlen,
742 enum UdtKind kind)
743 {
744 struct symt_udt* symt;
745
746 if (existing)
747 {
748 if (!(symt = codeview_cast_symt(existing, SymTagUDT))) return NULL;
749 /* should also check that all fields are the same */
750 }
751 else symt = symt_new_udt(ctp->module, name, structlen, kind);
752
753 return &symt->symt;
754 }
755
756 static struct symt* codeview_new_func_signature(struct codeview_type_parse* ctp,
757 struct symt* existing,
758 unsigned ret_type,
759 unsigned args_list,
760 enum CV_call_e call_conv)
761 {
762 struct symt_function_signature* sym;
763 const union codeview_reftype* reftype;
764
765 if (existing)
766 {
767 sym = codeview_cast_symt(existing, SymTagFunctionType);
768 if (!sym) return NULL;
769 }
770 else
771 {
772 sym = symt_new_function_signature(ctp->module,
773 codeview_fetch_type(ctp, ret_type),
774 call_conv);
775 }
776 if (args_list && (reftype = codeview_jump_to_type(ctp, args_list)))
777 {
778 int i;
779 switch (reftype->generic.id)
780 {
781 case LF_ARGLIST_V1:
782 for (i = 0; i < reftype->arglist_v1.num; i++)
783 symt_add_function_signature_parameter(ctp->module, sym,
784 codeview_fetch_type(ctp, reftype->arglist_v1.args[i]));
785 break;
786 case LF_ARGLIST_V2:
787 for (i = 0; i < reftype->arglist_v2.num; i++)
788 symt_add_function_signature_parameter(ctp->module, sym,
789 codeview_fetch_type(ctp, reftype->arglist_v2.args[i]));
790 break;
791 default:
792 FIXME("Unexpected leaf %x for signature's pmt\n", reftype->generic.id);
793 }
794 }
795
796 return &sym->symt;
797 }
798
799 static struct symt* codeview_parse_one_type(struct codeview_type_parse* ctp,
800 unsigned curr_type,
801 const union codeview_type* type, BOOL details)
802 {
803 struct symt* symt;
804 int value, leaf_len;
805 const struct p_string* p_name;
806 const char* c_name;
807 struct symt* existing;
808
809 existing = codeview_get_type(curr_type, TRUE);
810
811 switch (type->generic.id)
812 {
813 case LF_MODIFIER_V1:
814 /* FIXME: we don't handle modifiers,
815 * but readd previous type on the curr_type
816 */
817 WARN("Modifier on %x: %s%s%s%s\n",
818 type->modifier_v1.type,
819 type->modifier_v1.attribute & 0x01 ? "const " : "",
820 type->modifier_v1.attribute & 0x02 ? "volatile " : "",
821 type->modifier_v1.attribute & 0x04 ? "unaligned " : "",
822 type->modifier_v1.attribute & ~0x07 ? "unknown " : "");
823 if (!(symt = codeview_get_type(type->modifier_v1.type, TRUE)))
824 symt = codeview_parse_one_type(ctp, type->modifier_v1.type,
825 codeview_jump_to_type(ctp, type->modifier_v1.type), details);
826 break;
827 case LF_MODIFIER_V2:
828 /* FIXME: we don't handle modifiers, but readd previous type on the curr_type */
829 WARN("Modifier on %x: %s%s%s%s\n",
830 type->modifier_v2.type,
831 type->modifier_v2.attribute & 0x01 ? "const " : "",
832 type->modifier_v2.attribute & 0x02 ? "volatile " : "",
833 type->modifier_v2.attribute & 0x04 ? "unaligned " : "",
834 type->modifier_v2.attribute & ~0x07 ? "unknown " : "");
835 if (!(symt = codeview_get_type(type->modifier_v2.type, TRUE)))
836 symt = codeview_parse_one_type(ctp, type->modifier_v2.type,
837 codeview_jump_to_type(ctp, type->modifier_v2.type), details);
838 break;
839
840 case LF_POINTER_V1:
841 symt = codeview_add_type_pointer(ctp, existing, type->pointer_v1.datatype);
842 break;
843 case LF_POINTER_V2:
844 symt = codeview_add_type_pointer(ctp, existing, type->pointer_v2.datatype);
845 break;
846
847 case LF_ARRAY_V1:
848 if (existing) symt = codeview_cast_symt(existing, SymTagArrayType);
849 else
850 {
851 leaf_len = numeric_leaf(&value, &type->array_v1.arrlen);
852 p_name = (const struct p_string*)((const unsigned char*)&type->array_v1.arrlen + leaf_len);
853 symt = codeview_add_type_array(ctp, terminate_string(p_name),
854 type->array_v1.elemtype,
855 type->array_v1.idxtype, value);
856 }
857 break;
858 case LF_ARRAY_V2:
859 if (existing) symt = codeview_cast_symt(existing, SymTagArrayType);
860 else
861 {
862 leaf_len = numeric_leaf(&value, &type->array_v2.arrlen);
863 p_name = (const struct p_string*)((const unsigned char*)&type->array_v2.arrlen + leaf_len);
864
865 symt = codeview_add_type_array(ctp, terminate_string(p_name),
866 type->array_v2.elemtype,
867 type->array_v2.idxtype, value);
868 }
869 break;
870 case LF_ARRAY_V3:
871 if (existing) symt = codeview_cast_symt(existing, SymTagArrayType);
872 else
873 {
874 leaf_len = numeric_leaf(&value, &type->array_v3.arrlen);
875 c_name = (const char*)&type->array_v3.arrlen + leaf_len;
876
877 symt = codeview_add_type_array(ctp, c_name,
878 type->array_v3.elemtype,
879 type->array_v3.idxtype, value);
880 }
881 break;
882
883 case LF_STRUCTURE_V1:
884 case LF_CLASS_V1:
885 leaf_len = numeric_leaf(&value, &type->struct_v1.structlen);
886 p_name = (const struct p_string*)((const unsigned char*)&type->struct_v1.structlen + leaf_len);
887 symt = codeview_add_type_struct(ctp, existing, terminate_string(p_name), value,
888 type->generic.id == LF_CLASS_V1 ? UdtClass : UdtStruct);
889 if (details)
890 {
891 codeview_add_type(curr_type, symt);
892 codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
893 type->struct_v1.fieldlist);
894 }
895 break;
896
897 case LF_STRUCTURE_V2:
898 case LF_CLASS_V2:
899 leaf_len = numeric_leaf(&value, &type->struct_v2.structlen);
900 p_name = (const struct p_string*)((const unsigned char*)&type->struct_v2.structlen + leaf_len);
901 symt = codeview_add_type_struct(ctp, existing, terminate_string(p_name), value,
902 type->generic.id == LF_CLASS_V2 ? UdtClass : UdtStruct);
903 if (details)
904 {
905 codeview_add_type(curr_type, symt);
906 codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
907 type->struct_v2.fieldlist);
908 }
909 break;
910
911 case LF_STRUCTURE_V3:
912 case LF_CLASS_V3:
913 leaf_len = numeric_leaf(&value, &type->struct_v3.structlen);
914 c_name = (const char*)&type->struct_v3.structlen + leaf_len;
915 symt = codeview_add_type_struct(ctp, existing, c_name, value,
916 type->generic.id == LF_CLASS_V3 ? UdtClass : UdtStruct);
917 if (details)
918 {
919 codeview_add_type(curr_type, symt);
920 codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
921 type->struct_v3.fieldlist);
922 }
923 break;
924
925 case LF_UNION_V1:
926 leaf_len = numeric_leaf(&value, &type->union_v1.un_len);
927 p_name = (const struct p_string*)((const unsigned char*)&type->union_v1.un_len + leaf_len);
928 symt = codeview_add_type_struct(ctp, existing, terminate_string(p_name),
929 value, UdtUnion);
930 if (details)
931 {
932 codeview_add_type(curr_type, symt);
933 codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
934 type->union_v1.fieldlist);
935 }
936 break;
937
938 case LF_UNION_V2:
939 leaf_len = numeric_leaf(&value, &type->union_v2.un_len);
940 p_name = (const struct p_string*)((const unsigned char*)&type->union_v2.un_len + leaf_len);
941 symt = codeview_add_type_struct(ctp, existing, terminate_string(p_name),
942 value, UdtUnion);
943 if (details)
944 {
945 codeview_add_type(curr_type, symt);
946 codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
947 type->union_v2.fieldlist);
948 }
949 break;
950
951 case LF_UNION_V3:
952 leaf_len = numeric_leaf(&value, &type->union_v3.un_len);
953 c_name = (const char*)&type->union_v3.un_len + leaf_len;
954 symt = codeview_add_type_struct(ctp, existing, c_name,
955 value, UdtUnion);
956 if (details)
957 {
958 codeview_add_type(curr_type, symt);
959 codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
960 type->union_v3.fieldlist);
961 }
962 break;
963
964 case LF_ENUM_V1:
965 symt = codeview_add_type_enum(ctp, existing,
966 terminate_string(&type->enumeration_v1.p_name),
967 type->enumeration_v1.fieldlist);
968 break;
969
970 case LF_ENUM_V2:
971 symt = codeview_add_type_enum(ctp, existing,
972 terminate_string(&type->enumeration_v2.p_name),
973 type->enumeration_v2.fieldlist);
974 break;
975
976 case LF_ENUM_V3:
977 symt = codeview_add_type_enum(ctp, existing, type->enumeration_v3.name,
978 type->enumeration_v3.fieldlist);
979 break;
980
981 case LF_PROCEDURE_V1:
982 symt = codeview_new_func_signature(ctp, existing,
983 type->procedure_v1.rvtype,
984 details ? type->procedure_v1.arglist : 0,
985 type->procedure_v1.call);
986 break;
987 case LF_PROCEDURE_V2:
988 symt = codeview_new_func_signature(ctp, existing,
989 type->procedure_v2.rvtype,
990 details ? type->procedure_v2.arglist : 0,
991 type->procedure_v2.call);
992 break;
993 case LF_MFUNCTION_V1:
994 /* FIXME: for C++, this is plain wrong, but as we don't use arg types
995 * nor class information, this would just do for now
996 */
997 symt = codeview_new_func_signature(ctp, existing,
998 type->mfunction_v1.rvtype,
999 details ? type->mfunction_v1.arglist : 0,
1000 type->mfunction_v1.call);
1001 break;
1002 case LF_MFUNCTION_V2:
1003 /* FIXME: for C++, this is plain wrong, but as we don't use arg types
1004 * nor class information, this would just do for now
1005 */
1006 symt = codeview_new_func_signature(ctp, existing,
1007 type->mfunction_v2.rvtype,
1008 details ? type->mfunction_v2.arglist : 0,
1009 type->mfunction_v2.call);
1010 break;
1011
1012 case LF_VTSHAPE_V1:
1013 /* this is an ugly hack... FIXME when we have C++ support */
1014 if (!(symt = existing))
1015 {
1016 char buf[128];
1017 snprintf(buf, sizeof(buf), "__internal_vt_shape_%x\n", curr_type);
1018 symt = &symt_new_udt(ctp->module, buf, 0, UdtStruct)->symt;
1019 }
1020 break;
1021 default:
1022 FIXME("Unsupported type-id leaf %x\n", type->generic.id);
1023 dump(type, 2 + type->generic.len);
1024 return FALSE;
1025 }
1026 return codeview_add_type(curr_type, symt) ? symt : NULL;
1027 }
1028
1029 static int codeview_parse_type_table(struct codeview_type_parse* ctp)
1030 {
1031 unsigned int curr_type = FIRST_DEFINABLE_TYPE;
1032 const union codeview_type* type;
1033
1034 for (curr_type = FIRST_DEFINABLE_TYPE; curr_type < FIRST_DEFINABLE_TYPE + ctp->num; curr_type++)
1035 {
1036 type = codeview_jump_to_type(ctp, curr_type);
1037
1038 /* type records we're interested in are the ones referenced by symbols
1039 * The known ranges are (X mark the ones we want):
1040 * X 0000-0016 for V1 types
1041 * 0200-020c for V1 types referenced by other types
1042 * 0400-040f for V1 types (complex lists & sets)
1043 * X 1000-100f for V2 types
1044 * 1200-120c for V2 types referenced by other types
1045 * 1400-140f for V1 types (complex lists & sets)
1046 * X 1500-150d for V3 types
1047 * 8000-8010 for numeric leafes
1048 */
1049 if (type->generic.id & 0x8600) continue;
1050 codeview_parse_one_type(ctp, curr_type, type, TRUE);
1051 }
1052
1053 return TRUE;
1054 }
1055
1056 /*========================================================================
1057 * Process CodeView line number information.
1058 */
1059
1060 static struct codeview_linetab* codeview_snarf_linetab(struct module* module,
1061 const BYTE* linetab, int size,
1062 BOOL pascal_str)
1063 {
1064 int file_segcount;
1065 char filename[PATH_MAX];
1066 const unsigned int* filetab;
1067 const struct p_string* p_fn;
1068 int i;
1069 int k;
1070 struct codeview_linetab* lt_hdr;
1071 const unsigned int* lt_ptr;
1072 int nfile;
1073 int nseg;
1074 union any_size pnt;
1075 union any_size pnt2;
1076 const struct startend* start;
1077 int this_seg;
1078 unsigned source;
1079
1080 /*
1081 * Now get the important bits.
1082 */
1083 pnt.uc = linetab;
1084 nfile = *pnt.s++;
1085 nseg = *pnt.s++;
1086
1087 filetab = (const unsigned int*) pnt.c;
1088
1089 /*
1090 * Now count up the number of segments in the file.
1091 */
1092 nseg = 0;
1093 for (i = 0; i < nfile; i++)
1094 {
1095 pnt2.uc = linetab + filetab[i];
1096 nseg += *pnt2.s;
1097 }
1098
1099 /*
1100 * Next allocate the header we will be returning.
1101 * There is one header for each segment, so that we can reach in
1102 * and pull bits as required.
1103 */
1104 lt_hdr = (struct codeview_linetab*)
1105 HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, (nseg + 1) * sizeof(*lt_hdr));
1106 if (lt_hdr == NULL)
1107 {
1108 goto leave;
1109 }
1110
1111 /*
1112 * Now fill the header we will be returning, one for each segment.
1113 * Note that this will basically just contain pointers into the existing
1114 * line table, and we do not actually copy any additional information
1115 * or allocate any additional memory.
1116 */
1117
1118 this_seg = 0;
1119 for (i = 0; i < nfile; i++)
1120 {
1121 /*
1122 * Get the pointer into the segment information.
1123 */
1124 pnt2.uc = linetab + filetab[i];
1125 file_segcount = *pnt2.s;
1126
1127 pnt2.ui++;
1128 lt_ptr = (const unsigned int*) pnt2.c;
1129 start = (const struct startend*)(lt_ptr + file_segcount);
1130
1131 /*
1132 * Now snarf the filename for all of the segments for this file.
1133 */
1134 if (pascal_str)
1135 {
1136 p_fn = (const struct p_string*)(start + file_segcount);
1137 memset(filename, 0, sizeof(filename));
1138 memcpy(filename, p_fn->name, p_fn->namelen);
1139 source = source_new(module, filename);
1140 }
1141 else
1142 source = source_new(module, (const char*)(start + file_segcount));
1143
1144 for (k = 0; k < file_segcount; k++, this_seg++)
1145 {
1146 pnt2.uc = linetab + lt_ptr[k];
1147 lt_hdr[this_seg].start = start[k].start;
1148 lt_hdr[this_seg].end = start[k].end;
1149 lt_hdr[this_seg].source = source;
1150 lt_hdr[this_seg].segno = *pnt2.s++;
1151 lt_hdr[this_seg].nline = *pnt2.s++;
1152 lt_hdr[this_seg].offtab = pnt2.ui;
1153 lt_hdr[this_seg].linetab = (const unsigned short*)(pnt2.ui + lt_hdr[this_seg].nline);
1154 }
1155 }
1156
1157 leave:
1158
1159 return lt_hdr;
1160
1161 }
1162
1163 /*========================================================================
1164 * Process CodeView symbol information.
1165 */
1166
1167 static unsigned int codeview_map_offset(const struct msc_debug_info* msc_dbg,
1168 unsigned int offset)
1169 {
1170 int nomap = msc_dbg->nomap;
1171 const OMAP_DATA* omapp = msc_dbg->omapp;
1172 int i;
1173
1174 if (!nomap || !omapp) return offset;
1175
1176 /* FIXME: use binary search */
1177 for (i = 0; i < nomap - 1; i++)
1178 if (omapp[i].from <= offset && omapp[i+1].from > offset)
1179 return !omapp[i].to ? 0 : omapp[i].to + (offset - omapp[i].from);
1180
1181 return 0;
1182 }
1183
1184 static const struct codeview_linetab*
1185 codeview_get_linetab(const struct codeview_linetab* linetab,
1186 unsigned seg, unsigned offset)
1187 {
1188 /*
1189 * Check whether we have line number information
1190 */
1191 if (linetab)
1192 {
1193 for (; linetab->linetab; linetab++)
1194 if (linetab->segno == seg &&
1195 linetab->start <= offset && linetab->end > offset)
1196 break;
1197 if (!linetab->linetab) linetab = NULL;
1198 }
1199 return linetab;
1200 }
1201
1202 static unsigned codeview_get_address(const struct msc_debug_info* msc_dbg,
1203 unsigned seg, unsigned offset)
1204 {
1205 int nsect = msc_dbg->nsect;
1206 const IMAGE_SECTION_HEADER* sectp = msc_dbg->sectp;
1207
1208 if (!seg || seg > nsect) return 0;
1209 return msc_dbg->module->module.BaseOfImage +
1210 codeview_map_offset(msc_dbg, sectp[seg-1].VirtualAddress + offset);
1211 }
1212
1213 static void codeview_add_func_linenum(struct module* module,
1214 struct symt_function* func,
1215 const struct codeview_linetab* linetab,
1216 unsigned offset, unsigned size)
1217 {
1218 unsigned int i;
1219
1220 if (!linetab) return;
1221 for (i = 0; i < linetab->nline; i++)
1222 {
1223 if (linetab->offtab[i] >= offset && linetab->offtab[i] < offset + size)
1224 {
1225 symt_add_func_line(module, func, linetab->source,
1226 linetab->linetab[i], linetab->offtab[i] - offset);
1227 }
1228 }
1229 }
1230
1231 static int codeview_snarf(const struct msc_debug_info* msc_dbg, const BYTE* root,
1232 int offset, int size,
1233 struct codeview_linetab* linetab)
1234 {
1235 struct symt_function* curr_func = NULL;
1236 int i, length;
1237 const struct codeview_linetab* flt;
1238 struct symt_block* block = NULL;
1239 struct symt* symt;
1240 const char* name;
1241 struct symt_compiland* compiland = NULL;
1242
1243 /*
1244 * Loop over the different types of records and whenever we
1245 * find something we are interested in, record it and move on.
1246 */
1247 for (i = offset; i < size; i += length)
1248 {
1249 const union codeview_symbol* sym = (const union codeview_symbol*)(root + i);
1250 length = sym->generic.len + 2;
1251 if (i + length > size) break;
1252 if (length & 3) FIXME("unpadded len %u\n", length);
1253
1254 switch (sym->generic.id)
1255 {
1256 /*
1257 * Global and local data symbols. We don't associate these
1258 * with any given source file.
1259 */
1260 case S_GDATA_V1:
1261 case S_LDATA_V1:
1262 symt_new_global_variable(msc_dbg->module, compiland,
1263 terminate_string(&sym->data_v1.p_name), sym->generic.id == S_LDATA_V1,
1264 codeview_get_address(msc_dbg, sym->data_v1.segment, sym->data_v1.offset),
1265 0,
1266 codeview_get_type(sym->data_v1.symtype, FALSE));
1267 break;
1268 case S_GDATA_V2:
1269 case S_LDATA_V2:
1270 name = terminate_string(&sym->data_v2.p_name);
1271 if (name)
1272 symt_new_global_variable(msc_dbg->module, compiland,
1273 name, sym->generic.id == S_LDATA_V2,
1274 codeview_get_address(msc_dbg, sym->data_v2.segment, sym->data_v2.offset),
1275 0,
1276 codeview_get_type(sym->data_v2.symtype, FALSE));
1277 break;
1278 case S_GDATA_V3:
1279 case S_LDATA_V3:
1280 if (*sym->data_v3.name)
1281 symt_new_global_variable(msc_dbg->module, compiland,
1282 sym->data_v3.name,
1283 sym->generic.id == S_LDATA_V3,
1284 codeview_get_address(msc_dbg, sym->data_v3.segment, sym->data_v3.offset),
1285 0,
1286 codeview_get_type(sym->data_v3.symtype, FALSE));
1287 break;
1288
1289 case S_PUB_V1: /* FIXME is this really a 'data_v1' structure ?? */
1290 if (!(dbghelp_options & SYMOPT_NO_PUBLICS))
1291 {
1292 symt_new_public(msc_dbg->module, compiland,
1293 terminate_string(&sym->data_v1.p_name),
1294 codeview_get_address(msc_dbg, sym->data_v1.segment, sym->data_v1.offset),
1295 1, TRUE /* FIXME */, TRUE /* FIXME */);
1296 }
1297 break;
1298 case S_PUB_V2: /* FIXME is this really a 'data_v2' structure ?? */
1299 if (!(dbghelp_options & SYMOPT_NO_PUBLICS))
1300 {
1301 symt_new_public(msc_dbg->module, compiland,
1302 terminate_string(&sym->data_v2.p_name),
1303 codeview_get_address(msc_dbg, sym->data_v2.segment, sym->data_v2.offset),
1304 1, TRUE /* FIXME */, TRUE /* FIXME */);
1305 }
1306 break;
1307
1308 /*
1309 * Sort of like a global function, but it just points
1310 * to a thunk, which is a stupid name for what amounts to
1311 * a PLT slot in the normal jargon that everyone else uses.
1312 */
1313 case S_THUNK_V1:
1314 symt_new_thunk(msc_dbg->module, compiland,
1315 terminate_string(&sym->thunk_v1.p_name), sym->thunk_v1.thtype,
1316 codeview_get_address(msc_dbg, sym->thunk_v1.segment, sym->thunk_v1.offset),
1317 sym->thunk_v1.thunk_len);
1318 break;
1319 case S_THUNK_V3:
1320 symt_new_thunk(msc_dbg->module, compiland,
1321 sym->thunk_v3.name, sym->thunk_v3.thtype,
1322 codeview_get_address(msc_dbg, sym->thunk_v3.segment, sym->thunk_v3.offset),
1323 sym->thunk_v3.thunk_len);
1324 break;
1325
1326 /*
1327 * Global and static functions.
1328 */
1329 case S_GPROC_V1:
1330 case S_LPROC_V1:
1331 flt = codeview_get_linetab(linetab, sym->proc_v1.segment, sym->proc_v1.offset);
1332 if (curr_func) FIXME("nested function\n");
1333 curr_func = symt_new_function(msc_dbg->module, compiland,
1334 terminate_string(&sym->proc_v1.p_name),
1335 codeview_get_address(msc_dbg, sym->proc_v1.segment, sym->proc_v1.offset),
1336 sym->proc_v1.proc_len,
1337 codeview_get_type(sym->proc_v1.proctype, FALSE));
1338 codeview_add_func_linenum(msc_dbg->module, curr_func, flt,
1339 sym->proc_v1.offset, sym->proc_v1.proc_len);
1340 symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugStart, sym->proc_v1.debug_start, NULL);
1341 symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugEnd, sym->proc_v1.debug_end, NULL);
1342 break;
1343 case S_GPROC_V2:
1344 case S_LPROC_V2:
1345 flt = codeview_get_linetab(linetab, sym->proc_v2.segment, sym->proc_v2.offset);
1346 if (curr_func) FIXME("nested function\n");
1347 curr_func = symt_new_function(msc_dbg->module, compiland,
1348 terminate_string(&sym->proc_v2.p_name),
1349 codeview_get_address(msc_dbg, sym->proc_v2.segment, sym->proc_v2.offset),
1350 sym->proc_v2.proc_len,
1351 codeview_get_type(sym->proc_v2.proctype, FALSE));
1352 codeview_add_func_linenum(msc_dbg->module, curr_func, flt,
1353 sym->proc_v2.offset, sym->proc_v2.proc_len);
1354 symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugStart, sym->proc_v2.debug_start, NULL);
1355 symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugEnd, sym->proc_v2.debug_end, NULL);
1356 break;
1357 case S_GPROC_V3:
1358 case S_LPROC_V3:
1359 flt = codeview_get_linetab(linetab, sym->proc_v3.segment, sym->proc_v3.offset);
1360 if (curr_func) FIXME("nested function\n");
1361 curr_func = symt_new_function(msc_dbg->module, compiland,
1362 sym->proc_v3.name,
1363 codeview_get_address(msc_dbg, sym->proc_v3.segment, sym->proc_v3.offset),
1364 sym->proc_v3.proc_len,
1365 codeview_get_type(sym->proc_v3.proctype, FALSE));
1366 codeview_add_func_linenum(msc_dbg->module, curr_func, flt,
1367 sym->proc_v3.offset, sym->proc_v3.proc_len);
1368 symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugStart, sym->proc_v3.debug_start, NULL);
1369 symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugEnd, sym->proc_v3.debug_end, NULL);
1370 break;
1371 /*
1372 * Function parameters and stack variables.
1373 */
1374 case S_BPREL_V1:
1375 symt_add_func_local(msc_dbg->module, curr_func, 0, sym->stack_v1.offset,
1376 block, codeview_get_type(sym->stack_v1.symtype, FALSE),
1377 terminate_string(&sym->stack_v1.p_name));
1378 break;
1379 case S_BPREL_V2:
1380 symt_add_func_local(msc_dbg->module, curr_func, 0, sym->stack_v2.offset,
1381 block, codeview_get_type(sym->stack_v2.symtype, FALSE),
1382 terminate_string(&sym->stack_v2.p_name));
1383 break;
1384 case S_BPREL_V3:
1385 symt_add_func_local(msc_dbg->module, curr_func, 0, sym->stack_v3.offset,
1386 block, codeview_get_type(sym->stack_v3.symtype, FALSE),
1387 sym->stack_v3.name);
1388 break;
1389
1390 case S_REGISTER_V1:
1391 symt_add_func_local(msc_dbg->module, curr_func, 0, sym->register_v1.reg,
1392 block, codeview_get_type(sym->register_v1.type, FALSE),
1393 terminate_string(&sym->register_v1.p_name));
1394 break;
1395 case S_REGISTER_V2:
1396 symt_add_func_local(msc_dbg->module, curr_func, 0, sym->register_v2.reg,
1397 block, codeview_get_type(sym->register_v2.type, FALSE),
1398 terminate_string(&sym->register_v2.p_name));
1399 break;
1400
1401 case S_BLOCK_V1:
1402 block = symt_open_func_block(msc_dbg->module, curr_func, block,
1403 codeview_get_address(msc_dbg, sym->block_v1.segment, sym->block_v1.offset),
1404 sym->block_v1.length);
1405 break;
1406 case S_BLOCK_V3:
1407 block = symt_open_func_block(msc_dbg->module, curr_func, block,
1408 codeview_get_address(msc_dbg, sym->block_v3.segment, sym->block_v3.offset),
1409 sym->block_v3.length);
1410 break;
1411
1412 case S_END_V1:
1413 if (block)
1414 {
1415 block = symt_close_func_block(msc_dbg->module, curr_func, block, 0);
1416 }
1417 else if (curr_func)
1418 {
1419 symt_normalize_function(msc_dbg->module, curr_func);
1420 curr_func = NULL;
1421 }
1422 break;
1423
1424 case S_COMPILE_V1:
1425 TRACE("S-Compile-V1 %x %s\n",
1426 sym->compile_v1.unknown, terminate_string(&sym->compile_v1.p_name));
1427 break;
1428
1429 case S_COMPILE_V2:
1430 TRACE("S-Compile-V2 %s\n", terminate_string(&sym->compile_v2.p_name));
1431 if (TRACE_ON(dbghelp_msc))
1432 {
1433 const char* ptr1 = sym->compile_v2.p_name.name + sym->compile_v2.p_name.namelen;
1434 const char* ptr2;
1435 while (*ptr1)
1436 {
1437 ptr2 = ptr1 + strlen(ptr1) + 1;
1438 TRACE("\t%s => %s\n", ptr1, ptr2);
1439 ptr1 = ptr2 + strlen(ptr2) + 1;
1440 }
1441 }
1442 break;
1443 case S_COMPILE_V3:
1444 TRACE("S-Compile-V3 %s\n", sym->compile_v3.name);
1445 if (TRACE_ON(dbghelp_msc))
1446 {
1447 const char* ptr1 = sym->compile_v3.name + strlen(sym->compile_v3.name);
1448 const char* ptr2;
1449 while (*ptr1)
1450 {
1451 ptr2 = ptr1 + strlen(ptr1) + 1;
1452 TRACE("\t%s => %s\n", ptr1, ptr2);
1453 ptr1 = ptr2 + strlen(ptr2) + 1;
1454 }
1455 }
1456 break;
1457
1458 case S_OBJNAME_V1:
1459 TRACE("S-ObjName %s\n", terminate_string(&sym->objname_v1.p_name));
1460 compiland = symt_new_compiland(msc_dbg->module, terminate_string(&sym->objname_v1.p_name));
1461 break;
1462
1463 case S_LABEL_V1:
1464 if (curr_func)
1465 {
1466 symt_add_function_point(msc_dbg->module, curr_func, SymTagLabel,
1467 codeview_get_address(msc_dbg, sym->label_v1.segment, sym->label_v1.offset) - curr_func->address,
1468 terminate_string(&sym->label_v1.p_name));
1469 }
1470 else
1471 FIXME("No current function for label %s\n",
1472 terminate_string(&sym->label_v1.p_name));
1473 break;
1474 case S_LABEL_V3:
1475 if (curr_func)
1476 {
1477 symt_add_function_point(msc_dbg->module, curr_func, SymTagLabel,
1478 codeview_get_address(msc_dbg, sym->label_v3.segment, sym->label_v3.offset) - curr_func->address,
1479 sym->label_v3.name);
1480 }
1481 else
1482 FIXME("No current function for label %s\n", sym->label_v3.name);
1483 break;
1484
1485 case S_CONSTANT_V1:
1486 {
1487 int val, vlen;
1488 const struct p_string* name;
1489 const char* x;
1490 struct symt* se;
1491
1492 vlen = numeric_leaf(&val, &sym->constant_v1.cvalue);
1493 name = (const struct p_string*)((const char*)&sym->constant_v1.cvalue + vlen);
1494 se = codeview_get_type(sym->constant_v1.type, FALSE);
1495 if (!se) x = "---";
1496 else if (se->tag == SymTagEnum) x = ((struct symt_enum*)se)->name;
1497 else x = "###";
1498
1499 TRACE("S-Constant-V1 %u %s %x (%s)\n",
1500 val, terminate_string(name), sym->constant_v1.type, x);
1501 /* FIXME: we should add this as a constant value */
1502 }
1503 break;
1504 case S_CONSTANT_V2:
1505 {
1506 int val, vlen;
1507 const struct p_string* name;
1508 const char* x;
1509 struct symt* se;
1510
1511 vlen = numeric_leaf(&val, &sym->constant_v2.cvalue);
1512 name = (const struct p_string*)((const char*)&sym->constant_v2.cvalue + vlen);
1513 se = codeview_get_type(sym->constant_v2.type, FALSE);
1514 if (!se) x = "---";
1515 else if (se->tag == SymTagEnum) x = ((struct symt_enum*)se)->name;
1516 else x = "###";
1517
1518 TRACE("S-Constant-V2 %u %s %x (%s)\n",
1519 val, terminate_string(name), sym->constant_v2.type, x);
1520 /* FIXME: we should add this as a constant value */
1521 }
1522 break;
1523 case S_CONSTANT_V3:
1524 {
1525 int val, vlen;
1526 const char* name;
1527 const char* x;
1528 struct symt* se;
1529
1530 vlen = numeric_leaf(&val, &sym->constant_v3.cvalue);
1531 name = (const char*)&sym->constant_v3.cvalue + vlen;
1532 se = codeview_get_type(sym->constant_v3.type, FALSE);
1533 if (!se) x = "---";
1534 else if (se->tag == SymTagEnum) x = ((struct symt_enum*)se)->name;
1535 else x = "###";
1536
1537 TRACE("S-Constant-V3 %u %s %x (%s)\n",
1538 val, name, sym->constant_v3.type, x);
1539 /* FIXME: we should add this as a constant value */
1540 }
1541 break;
1542
1543 case S_UDT_V1:
1544 if (sym->udt_v1.type)
1545 {
1546 if ((symt = codeview_get_type(sym->udt_v1.type, FALSE)))
1547 symt_new_typedef(msc_dbg->module, symt,
1548 terminate_string(&sym->udt_v1.p_name));
1549 else
1550 FIXME("S-Udt %s: couldn't find type 0x%x\n",
1551 terminate_string(&sym->udt_v1.p_name), sym->udt_v1.type);
1552 }
1553 break;
1554 case S_UDT_V2:
1555 if (sym->udt_v2.type)
1556 {
1557 if ((symt = codeview_get_type(sym->udt_v2.type, FALSE)))
1558 symt_new_typedef(msc_dbg->module, symt,
1559 terminate_string(&sym->udt_v2.p_name));
1560 else
1561 FIXME("S-Udt %s: couldn't find type 0x%x\n",
1562 terminate_string(&sym->udt_v2.p_name), sym->udt_v2.type);
1563 }
1564 break;
1565 case S_UDT_V3:
1566 if (sym->udt_v3.type)
1567 {
1568 if ((symt = codeview_get_type(sym->udt_v3.type, FALSE)))
1569 symt_new_typedef(msc_dbg->module, symt, sym->udt_v3.name);
1570 else
1571 FIXME("S-Udt %s: couldn't find type 0x%x\n",
1572 sym->udt_v3.name, sym->udt_v3.type);
1573 }
1574 break;
1575
1576 /*
1577 * These are special, in that they are always followed by an
1578 * additional length-prefixed string which is *not* included
1579 * into the symbol length count. We need to skip it.
1580 */
1581 case S_PROCREF_V1:
1582 case S_DATAREF_V1:
1583 case S_LPROCREF_V1:
1584 name = (const char*)sym + length;
1585 length += (*name + 1 + 3) & ~3;
1586 break;
1587
1588 case S_PUB_DATA_V3:
1589 if (!(dbghelp_options & SYMOPT_NO_PUBLICS))
1590 {
1591 symt_new_public(msc_dbg->module, compiland,
1592 sym->data_v3.name,
1593 codeview_get_address(msc_dbg, sym->data_v3.segment, sym->data_v3.offset),
1594 1, FALSE /* FIXME */, FALSE);
1595 }
1596 break;
1597 case S_PUB_FUNC1_V3:
1598 case S_PUB_FUNC2_V3: /* using a data_v3 isn't what we'd expect */
1599 if (!(dbghelp_options & SYMOPT_NO_PUBLICS))
1600 {
1601 symt_new_public(msc_dbg->module, compiland,
1602 sym->data_v3.name,
1603 codeview_get_address(msc_dbg, sym->data_v3.segment, sym->data_v3.offset),
1604 1, TRUE /* FIXME */, TRUE);
1605 }
1606 break;
1607
1608 case S_MSTOOL_V3: /* just to silence a few warnings */
1609 break;
1610
1611 case S_SSEARCH_V1:
1612 TRACE("Start search: seg=0x%x at offset 0x%08x\n",
1613 sym->ssearch_v1.segment, sym->ssearch_v1.offset);
1614 break;
1615
1616 default:
1617 FIXME("Unsupported symbol id %x\n", sym->generic.id);
1618 dump(sym, 2 + sym->generic.len);
1619 break;
1620 }
1621 }
1622
1623 if (curr_func) symt_normalize_function(msc_dbg->module, curr_func);
1624
1625 HeapFree(GetProcessHeap(), 0, linetab);
1626 return TRUE;
1627 }
1628
1629 /*========================================================================
1630 * Process PDB file.
1631 */
1632
1633 static void* pdb_jg_read(const struct PDB_JG_HEADER* pdb, const WORD* block_list,
1634 int size)
1635 {
1636 int i, num_blocks;
1637 BYTE* buffer;
1638
1639 if (!size) return NULL;
1640
1641 num_blocks = (size + pdb->block_size - 1) / pdb->block_size;
1642 buffer = HeapAlloc(GetProcessHeap(), 0, num_blocks * pdb->block_size);
1643
1644 for (i = 0; i < num_blocks; i++)
1645 memcpy(buffer + i * pdb->block_size,
1646 (const char*)pdb + block_list[i] * pdb->block_size, pdb->block_size);
1647
1648 return buffer;
1649 }
1650
1651 static void* pdb_ds_read(const struct PDB_DS_HEADER* pdb, const DWORD* block_list,
1652 int size)
1653 {
1654 int i, num_blocks;
1655 BYTE* buffer;
1656
1657 if (!size) return NULL;
1658
1659 num_blocks = (size + pdb->block_size - 1) / pdb->block_size;
1660 buffer = HeapAlloc(GetProcessHeap(), 0, num_blocks * pdb->block_size);
1661
1662 for (i = 0; i < num_blocks; i++)
1663 memcpy(buffer + i * pdb->block_size,
1664 (const char*)pdb + block_list[i] * pdb->block_size, pdb->block_size);
1665
1666 return buffer;
1667 }
1668
1669 static void* pdb_read_jg_file(const struct PDB_JG_HEADER* pdb,
1670 const struct PDB_JG_TOC* toc, DWORD file_nr)
1671 {
1672 const WORD* block_list;
1673 DWORD i;
1674
1675 if (!toc || file_nr >= toc->num_files) return NULL;
1676
1677 block_list = (const WORD*) &toc->file[toc->num_files];
1678 for (i = 0; i < file_nr; i++)
1679 block_list += (toc->file[i].size + pdb->block_size - 1) / pdb->block_size;
1680
1681 return pdb_jg_read(pdb, block_list, toc->file[file_nr].size);
1682 }
1683
1684 static void* pdb_read_ds_file(const struct PDB_DS_HEADER* pdb,
1685 const struct PDB_DS_TOC* toc, DWORD file_nr)
1686 {
1687 const DWORD* block_list;
1688 DWORD i;
1689
1690 if (!toc || file_nr >= toc->num_files) return NULL;
1691
1692 if (toc->file_size[file_nr] == 0 || toc->file_size[file_nr] == 0xFFFFFFFF)
1693 {
1694 FIXME(">>> requesting NULL stream (%lu)\n", file_nr);
1695 return NULL;
1696 }
1697 block_list = &toc->file_size[toc->num_files];
1698 for (i = 0; i < file_nr; i++)
1699 block_list += (toc->file_size[i] + pdb->block_size - 1) / pdb->block_size;
1700
1701 return pdb_ds_read(pdb, block_list, toc->file_size[file_nr]);
1702 }
1703
1704 static void* pdb_read_file(const char* image, const struct pdb_lookup* pdb_lookup,
1705 DWORD file_nr)
1706 {
1707 switch (pdb_lookup->kind)
1708 {
1709 case PDB_JG:
1710 return pdb_read_jg_file((const struct PDB_JG_HEADER*)image,
1711 pdb_lookup->u.jg.toc, file_nr);
1712 case PDB_DS:
1713 return pdb_read_ds_file((const struct PDB_DS_HEADER*)image,
1714 pdb_lookup->u.ds.toc, file_nr);
1715 }
1716 return NULL;
1717 }
1718
1719 static unsigned pdb_get_file_size(const struct pdb_lookup* pdb_lookup, DWORD file_nr)
1720 {
1721 switch (pdb_lookup->kind)
1722 {
1723 case PDB_JG: return pdb_lookup->u.jg.toc->file[file_nr].size;
1724 case PDB_DS: return pdb_lookup->u.ds.toc->file_size[file_nr];
1725 }
1726 return 0;
1727 }
1728
1729 static void pdb_free(void* buffer)
1730 {
1731 HeapFree(GetProcessHeap(), 0, buffer);
1732 }
1733
1734 static void pdb_free_lookup(const struct pdb_lookup* pdb_lookup)
1735 {
1736 switch (pdb_lookup->kind)
1737 {
1738 case PDB_JG:
1739 if (pdb_lookup->u.jg.toc) pdb_free(pdb_lookup->u.jg.toc);
1740 break;
1741 case PDB_DS:
1742 if (pdb_lookup->u.ds.toc) pdb_free(pdb_lookup->u.ds.toc);
1743 break;
1744 }
1745 }
1746
1747 static void pdb_convert_types_header(PDB_TYPES* types, const BYTE* image)
1748 {
1749 memset(types, 0, sizeof(PDB_TYPES));
1750 if (!image) return;
1751
1752 if (*(const DWORD*)image < 19960000) /* FIXME: correct version? */
1753 {
1754 /* Old version of the types record header */
1755 const PDB_TYPES_OLD* old = (const PDB_TYPES_OLD*)image;
1756 types->version = old->version;
1757 types->type_offset = sizeof(PDB_TYPES_OLD);
1758 types->type_size = old->type_size;
1759 types->first_index = old->first_index;
1760 types->last_index = old->last_index;
1761 types->file = old->file;
1762 }
1763 else
1764 {
1765 /* New version of the types record header */
1766 *types = *(const PDB_TYPES*)image;
1767 }
1768 }
1769
1770 static void pdb_convert_symbols_header(PDB_SYMBOLS* symbols,
1771 int* header_size, const BYTE* image)
1772 {
1773 memset(symbols, 0, sizeof(PDB_SYMBOLS));
1774 if (!image) return;
1775
1776 if (*(const DWORD*)image != 0xffffffff)
1777 {
1778 /* Old version of the symbols record header */
1779 const PDB_SYMBOLS_OLD* old = (const PDB_SYMBOLS_OLD*)image;
1780 symbols->version = 0;
1781 symbols->module_size = old->module_size;
1782 symbols->offset_size = old->offset_size;
1783 symbols->hash_size = old->hash_size;
1784 symbols->srcmodule_size = old->srcmodule_size;
1785 symbols->pdbimport_size = 0;
1786 symbols->hash1_file = old->hash1_file;
1787 symbols->hash2_file = old->hash2_file;
1788 symbols->gsym_file = old->gsym_file;
1789
1790 *header_size = sizeof(PDB_SYMBOLS_OLD);
1791 }
1792 else
1793 {
1794 /* New version of the symbols record header */
1795 *symbols = *(const PDB_SYMBOLS*)image;
1796 *header_size = sizeof(PDB_SYMBOLS);
1797 }
1798 }
1799
1800 static void pdb_convert_symbol_file(const PDB_SYMBOLS* symbols,
1801 PDB_SYMBOL_FILE_EX* sfile,
1802 unsigned* size, const void* image)
1803
1804 {
1805 if (symbols->version < 19970000)
1806 {
1807 const PDB_SYMBOL_FILE *sym_file = (const PDB_SYMBOL_FILE*)image;
1808 memset(sfile, 0, sizeof(*sfile));
1809 sfile->file = sym_file->file;
1810 sfile->range.index = sym_file->range.index;
1811 sfile->symbol_size = sym_file->symbol_size;
1812 sfile->lineno_size = sym_file->lineno_size;
1813 *size = sizeof(PDB_SYMBOL_FILE) - 1;
1814 }
1815 else
1816 {
1817 memcpy(sfile, image, sizeof(PDB_SYMBOL_FILE_EX));
1818 *size = sizeof(PDB_SYMBOL_FILE_EX) - 1;
1819 }
1820 }
1821
1822 static BOOL CALLBACK pdb_match(char* file, void* user)
1823 {
1824 /* accept first file that exists */
1825 HANDLE h = CreateFileA(file, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
1826 TRACE("match with %s returns %p\n", file, h);
1827 if (INVALID_HANDLE_VALUE != h) {
1828 CloseHandle(h);
1829 return FALSE;
1830 }
1831 return TRUE;
1832 }
1833
1834 static HANDLE open_pdb_file(const struct process* pcs,
1835 const struct pdb_lookup* lookup)
1836 {
1837 HANDLE h;
1838 char dbg_file_path[MAX_PATH];
1839 BOOL ret = FALSE;
1840
1841 switch (lookup->kind)
1842 {
1843 case PDB_JG:
1844 ret = SymFindFileInPath(pcs->handle, NULL, lookup->filename,
1845 (PVOID)(DWORD_PTR)lookup->u.jg.timestamp,
1846 lookup->age, 0, SSRVOPT_DWORD,
1847 dbg_file_path, pdb_match, NULL);
1848 break;
1849 case PDB_DS:
1850 ret = SymFindFileInPath(pcs->handle, NULL, lookup->filename,
1851 (PVOID)&lookup->u.ds.guid, lookup->age, 0,
1852 SSRVOPT_GUIDPTR, dbg_file_path, pdb_match, NULL);
1853 break;
1854 }
1855 if (!ret)
1856 {
1857 WARN("\tCouldn't find %s\n", lookup->filename);
1858 return NULL;
1859 }
1860 h = CreateFileA(dbg_file_path, GENERIC_READ, FILE_SHARE_READ, NULL,
1861 OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
1862 TRACE("%s: %s returns %p\n", lookup->filename, dbg_file_path, h);
1863 return (h == INVALID_HANDLE_VALUE) ? NULL : h;
1864 }
1865
1866 static void pdb_process_types(const struct msc_debug_info* msc_dbg,
1867 const char* image, struct pdb_lookup* pdb_lookup)
1868 {
1869 BYTE* types_image = NULL;
1870
1871 types_image = pdb_read_file(image, pdb_lookup, 2);
1872 if (types_image)
1873 {
1874 PDB_TYPES types;
1875 struct codeview_type_parse ctp;
1876 DWORD total;
1877 const BYTE* ptr;
1878 DWORD* offset;
1879
1880 pdb_convert_types_header(&types, types_image);
1881
1882 /* Check for unknown versions */
1883 switch (types.version)
1884 {
1885 case 19950410: /* VC 4.0 */
1886 case 19951122:
1887 case 19961031: /* VC 5.0 / 6.0 */
1888 case 19990903:
1889 break;
1890 default:
1891 ERR("-Unknown type info version %ld\n", types.version);
1892 }
1893
1894 ctp.module = msc_dbg->module;
1895 /* reconstruct the types offset...
1896 * FIXME: maybe it's present in the newest PDB_TYPES structures
1897 */
1898 total = types.last_index - types.first_index + 1;
1899 offset = HeapAlloc(GetProcessHeap(), 0, sizeof(DWORD) * total);
1900 ctp.table = ptr = types_image + types.type_offset;
1901 ctp.num = 0;
1902 while (ptr < ctp.table + types.type_size && ctp.num < total)
1903 {
1904 offset[ctp.num++] = ptr - ctp.table;
1905 ptr += ((const union codeview_type*)ptr)->generic.len + 2;
1906 }
1907 ctp.offset = offset;
1908
1909 /* Read type table */
1910 codeview_parse_type_table(&ctp);
1911 HeapFree(GetProcessHeap(), 0, offset);
1912 pdb_free(types_image);
1913 }
1914 }
1915
1916 static const char PDB_JG_IDENT[] = "Microsoft C/C++ program database 2.00\r\n\032JG\0";
1917 static const char PDB_DS_IDENT[] = "Microsoft C/C++ MSF 7.00\r\n\032DS\0";
1918
1919 /******************************************************************
1920 * pdb_init
1921 *
1922 * Tries to load a pdb file
1923 * if do_fill is TRUE, then it just fills pdb_lookup with the information of the
1924 * file
1925 * if do_fill is FALSE, then it just checks that the kind of PDB (stored in
1926 * pdb_lookup) matches what's really in the file
1927 */
1928 static BOOL pdb_init(struct pdb_lookup* pdb_lookup, const char* image, BOOL do_fill)
1929 {
1930 BOOL ret = TRUE;
1931
1932 /* check the file header, and if ok, load the TOC */
1933 TRACE("PDB(%s): %.40s\n", pdb_lookup->filename, debugstr_an(image, 40));
1934
1935 if (!memcmp(image, PDB_JG_IDENT, sizeof(PDB_JG_IDENT)))
1936 {
1937 const struct PDB_JG_HEADER* pdb = (const struct PDB_JG_HEADER*)image;
1938 struct PDB_JG_ROOT* root;
1939
1940 pdb_lookup->u.jg.toc = pdb_jg_read(pdb, pdb->toc_block, pdb->toc.size);
1941 root = pdb_read_jg_file(pdb, pdb_lookup->u.jg.toc, 1);
1942 if (!root)
1943 {
1944 ERR("-Unable to get root from .PDB in %s\n", pdb_lookup->filename);
1945 return FALSE;
1946 }
1947 switch (root->Version)
1948 {
1949 case 19950623: /* VC 4.0 */
1950 case 19950814:
1951 case 19960307: /* VC 5.0 */
1952 case 19970604: /* VC 6.0 */
1953 break;
1954 default:
1955 ERR("-Unknown root block version %ld\n", root->Version);
1956 }
1957 if (do_fill)
1958 {
1959 pdb_lookup->kind = PDB_JG;
1960 pdb_lookup->u.jg.timestamp = root->TimeDateStamp;
1961 pdb_lookup->age = root->Age;
1962 }
1963 else if (pdb_lookup->kind != PDB_JG ||
1964 pdb_lookup->u.jg.timestamp != root->TimeDateStamp ||
1965 pdb_lookup->age != root->Age)
1966 ret = FALSE;
1967 TRACE("found JG/%c for %s: age=%lx timestamp=%lx\n",
1968 do_fill ? 'f' : '-', pdb_lookup->filename, root->Age,
1969 root->TimeDateStamp);
1970 pdb_free(root);
1971 }
1972 else if (!memcmp(image, PDB_DS_IDENT, sizeof(PDB_DS_IDENT)))
1973 {
1974 const struct PDB_DS_HEADER* pdb = (const struct PDB_DS_HEADER*)image;
1975 struct PDB_DS_ROOT* root;
1976
1977 pdb_lookup->u.ds.toc =
1978 pdb_ds_read(pdb,
1979 (const DWORD*)((const char*)pdb + pdb->toc_page * pdb->block_size),
1980 pdb->toc_size);
1981 root = pdb_read_ds_file(pdb, pdb_lookup->u.ds.toc, 1);
1982 if (!root)
1983 {
1984 ERR("-Unable to get root from .PDB in %s\n", pdb_lookup->filename);
1985 return FALSE;
1986 }
1987 switch (root->Version)
1988 {
1989 case 20000404:
1990 break;
1991 default:
1992 ERR("-Unknown root block version %ld\n", root->Version);
1993 }
1994 if (do_fill)
1995 {
1996 pdb_lookup->kind = PDB_DS;
1997 pdb_lookup->u.ds.guid = root->guid;
1998 pdb_lookup->age = root->Age;
1999 }
2000 else if (pdb_lookup->kind != PDB_DS ||
2001 memcmp(&pdb_lookup->u.ds.guid, &root->guid, sizeof(GUID)) ||
2002 pdb_lookup->age != root->Age)
2003 ret = FALSE;
2004 TRACE("found DS/%c for %s: age=%lx guid=%s\n",
2005 do_fill ? 'f' : '-', pdb_lookup->filename, root->Age,
2006 debugstr_guid(&root->guid));
2007 pdb_free(root);
2008 }
2009
2010 if (0) /* some tool to dump the internal files from a PDB file */
2011 {
2012 int i, num_files;
2013
2014 switch (pdb_lookup->kind)
2015 {
2016 case PDB_JG: num_files = pdb_lookup->u.jg.toc->num_files; break;
2017 case PDB_DS: num_files = pdb_lookup->u.ds.toc->num_files; break;
2018 }
2019
2020 for (i = 1; i < num_files; i++)
2021 {
2022 unsigned char* x = pdb_read_file(image, pdb_lookup, i);
2023 FIXME("********************** [%u]: size=%08x\n",
2024 i, pdb_get_file_size(pdb_lookup, i));
2025 dump(x, pdb_get_file_size(pdb_lookup, i));
2026 pdb_free(x);
2027 }
2028 }
2029 return ret;
2030 }
2031
2032 static BOOL pdb_process_internal(const struct process* pcs,
2033 const struct msc_debug_info* msc_dbg,
2034 struct pdb_lookup* pdb_lookup,
2035 unsigned module_index);
2036
2037 static void pdb_process_symbol_imports(const struct process* pcs,
2038 const struct msc_debug_info* msc_dbg,
2039 PDB_SYMBOLS* symbols,
2040 const void* symbols_image,
2041 char* image, struct pdb_lookup* pdb_lookup,
2042 unsigned module_index)
2043 {
2044 if (module_index == -1 && symbols && symbols->pdbimport_size)
2045 {
2046 const PDB_SYMBOL_IMPORT*imp;
2047 const void* first;
2048 const void* last;
2049 const char* ptr;
2050 int i = 0;
2051
2052 imp = (const PDB_SYMBOL_IMPORT*)((const char*)symbols_image + sizeof(PDB_SYMBOLS) +
2053 symbols->module_size + symbols->offset_size +
2054 symbols->hash_size + symbols->srcmodule_size);
2055 first = (const char*)imp;
2056 last = (const char*)imp + symbols->pdbimport_size;
2057 while (imp < (const PDB_SYMBOL_IMPORT*)last)
2058 {
2059 ptr = (const char*)imp + sizeof(*imp) + strlen(imp->filename);
2060 if (i >= CV_MAX_MODULES) FIXME("Out of bounds !!!\n");
2061 if (!strcasecmp(pdb_lookup->filename, imp->filename))
2062 {
2063 if (module_index != -1) FIXME("Twice the entry\n");
2064 else module_index = i;
2065 }
2066 else
2067 {
2068 struct pdb_lookup imp_pdb_lookup;
2069
2070 /* FIXME: this is an import of a JG PDB file
2071 * how's a DS PDB handled ?
2072 */
2073 imp_pdb_lookup.filename = imp->filename;
2074 imp_pdb_lookup.kind = PDB_JG;
2075 imp_pdb_lookup.u.jg.timestamp = imp->TimeDateStamp;
2076 imp_pdb_lookup.age = imp->Age;
2077 TRACE("got for %s: age=%lu ts=%lx\n",
2078 imp->filename, imp->Age, imp->TimeDateStamp);
2079 pdb_process_internal(pcs, msc_dbg, &imp_pdb_lookup, i);
2080 }
2081 i++;
2082 imp = (const PDB_SYMBOL_IMPORT*)((const char*)first + ((ptr - (const char*)first + strlen(ptr) + 1 + 3) & ~3));
2083 }
2084 }
2085 cv_current_module = &cv_zmodules[(module_index == -1) ? 0 : module_index];
2086 if (cv_current_module->allowed) FIXME("Already allowed ??\n");
2087 cv_current_module->allowed = TRUE;
2088 pdb_process_types(msc_dbg, image, pdb_lookup);
2089 }
2090
2091 static BOOL pdb_process_internal(const struct process* pcs,
2092 const struct msc_debug_info* msc_dbg,
2093 struct pdb_lookup* pdb_lookup,
2094 unsigned module_index)
2095 {
2096 BOOL ret = FALSE;
2097 HANDLE hFile, hMap = NULL;
2098 char* image = NULL;
2099 BYTE* symbols_image = NULL;
2100
2101 TRACE("Processing PDB file %s\n", pdb_lookup->filename);
2102
2103 /* Open and map() .PDB file */
2104 if ((hFile = open_pdb_file(pcs, pdb_lookup)) == NULL ||
2105 ((hMap = CreateFileMappingA(hFile, NULL, PAGE_READONLY, 0, 0, NULL)) == NULL) ||
2106 ((image = MapViewOfFile(hMap, FILE_MAP_READ, 0, 0, 0)) == NULL))
2107 {
2108 WARN("Unable to open .PDB file: %s\n", pdb_lookup->filename);
2109 goto leave;
2110 }
2111 pdb_init(pdb_lookup, image, FALSE);
2112
2113 symbols_image = pdb_read_file(image, pdb_lookup, 3);
2114 if (symbols_image)
2115 {
2116 PDB_SYMBOLS symbols;
2117 BYTE* modimage;
2118 BYTE* file;
2119 int header_size = 0;
2120
2121 pdb_convert_symbols_header(&symbols, &header_size, symbols_image);
2122 switch (symbols.version)
2123 {
2124 case 0: /* VC 4.0 */
2125 case 19960307: /* VC 5.0 */
2126 case 19970606: /* VC 6.0 */
2127 case 19990903:
2128 break;
2129 default:
2130 ERR("-Unknown symbol info version %ld %08lx\n",
2131 symbols.version, symbols.version);
2132 }
2133
2134 pdb_process_symbol_imports(pcs, msc_dbg, &symbols, symbols_image, image, pdb_lookup, module_index);
2135
2136 /* Read global symbol table */
2137 modimage = pdb_read_file(image, pdb_lookup, symbols.gsym_file);
2138 if (modimage)
2139 {
2140 codeview_snarf(msc_dbg, modimage, 0,
2141 pdb_get_file_size(pdb_lookup, symbols.gsym_file), NULL);
2142
2143 pdb_free(modimage);
2144 }
2145
2146 /* Read per-module symbol / linenumber tables */
2147 file = symbols_image + header_size;
2148 while (file - symbols_image < header_size + symbols.module_size)
2149 {
2150 PDB_SYMBOL_FILE_EX sfile;
2151 const char* file_name;
2152 unsigned size;
2153
2154 HeapValidate(GetProcessHeap(), 0, NULL);
2155 pdb_convert_symbol_file(&symbols, &sfile, &size, file);
2156
2157 modimage = pdb_read_file(image, pdb_lookup, sfile.file);
2158 if (modimage)
2159 {
2160 struct codeview_linetab* linetab = NULL;
2161
2162 if (sfile.lineno_size)
2163 linetab = codeview_snarf_linetab(msc_dbg->module,
2164 modimage + sfile.symbol_size,
2165 sfile.lineno_size,
2166 pdb_lookup->kind == PDB_JG);
2167
2168 if (sfile.symbol_size)
2169 codeview_snarf(msc_dbg, modimage, sizeof(DWORD),
2170 sfile.symbol_size, linetab);
2171
2172 pdb_free(modimage);
2173 }
2174 file_name = (const char*)file + size;
2175 file_name += strlen(file_name) + 1;
2176 file = (BYTE*)((DWORD)(file_name + strlen(file_name) + 1 + 3) & ~3);
2177 }
2178 }
2179 else
2180 pdb_process_symbol_imports(pcs, msc_dbg, NULL, NULL, image, pdb_lookup,
2181 module_index);
2182 msc_dbg->module->module.SymType = SymCv;
2183 ret = TRUE;
2184
2185 leave:
2186 /* Cleanup */
2187 if (symbols_image) pdb_free(symbols_image);
2188 pdb_free_lookup(pdb_lookup);
2189
2190 if (image) UnmapViewOfFile(image);
2191 if (hMap) CloseHandle(hMap);
2192 if (hFile) CloseHandle(hFile);
2193
2194 return ret;
2195 }
2196
2197 static BOOL pdb_process_file(const struct process* pcs,
2198 const struct msc_debug_info* msc_dbg,
2199 struct pdb_lookup* pdb_lookup)
2200 {
2201 BOOL ret;
2202
2203 memset(cv_zmodules, 0, sizeof(cv_zmodules));
2204 codeview_init_basic_types(msc_dbg->module);
2205 ret = pdb_process_internal(pcs, msc_dbg, pdb_lookup, -1);
2206 codeview_clear_type_table();
2207 return ret;
2208 }
2209
2210 BOOL pdb_fetch_file_info(struct pdb_lookup* pdb_lookup)
2211 {
2212 HANDLE hFile, hMap = NULL;
2213 char* image = NULL;
2214 BOOL ret = TRUE;
2215
2216 if ((hFile = CreateFileA(pdb_lookup->filename, GENERIC_READ, FILE_SHARE_READ, NULL,
2217 OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL)) == INVALID_HANDLE_VALUE ||
2218 ((hMap = CreateFileMappingA(hFile, NULL, PAGE_READONLY, 0, 0, NULL)) == NULL) ||
2219 ((image = MapViewOfFile(hMap, FILE_MAP_READ, 0, 0, 0)) == NULL))
2220 {
2221 WARN("Unable to open .PDB file: %s\n", pdb_lookup->filename);
2222 ret = FALSE;
2223 }
2224 else
2225 {
2226 pdb_init(pdb_lookup, image, TRUE);
2227 pdb_free_lookup(pdb_lookup);
2228 }
2229
2230 if (image) UnmapViewOfFile(image);
2231 if (hMap) CloseHandle(hMap);
2232 if (hFile) CloseHandle(hFile);
2233
2234 return ret;
2235 }
2236
2237 /*========================================================================
2238 * Process CodeView debug information.
2239 */
2240
2241 #define MAKESIG(a,b,c,d) ((a) | ((b) << 8) | ((c) << 16) | ((d) << 24))
2242 #define CODEVIEW_NB09_SIG MAKESIG('N','B','0','9')
2243 #define CODEVIEW_NB10_SIG MAKESIG('N','B','1','0')
2244 #define CODEVIEW_NB11_SIG MAKESIG('N','B','1','1')
2245 #define CODEVIEW_RSDS_SIG MAKESIG('R','S','D','S')
2246
2247 static BOOL codeview_process_info(const struct process* pcs,
2248 const struct msc_debug_info* msc_dbg)
2249 {
2250 const CODEVIEW_HEADER_NBxx* cv = (const CODEVIEW_HEADER_NBxx*)msc_dbg->root;
2251 BOOL ret = FALSE;
2252 struct pdb_lookup pdb_lookup;
2253
2254 TRACE("Processing signature %.4s\n", (const char*)&cv->dwSignature);
2255
2256 switch (cv->dwSignature)
2257 {
2258 case CODEVIEW_NB09_SIG:
2259 case CODEVIEW_NB11_SIG:
2260 {
2261 const CV_DIRECTORY_HEADER* hdr = (const CV_DIRECTORY_HEADER*)(msc_dbg->root + cv->lfoDirectory);
2262 const CV_DIRECTORY_ENTRY* ent;
2263 const CV_DIRECTORY_ENTRY* prev;
2264 const CV_DIRECTORY_ENTRY* next;
2265 unsigned int i;
2266
2267 codeview_init_basic_types(msc_dbg->module);
2268
2269 for (i = 0; i < hdr->cDir; i++)
2270 {
2271 ent = (const CV_DIRECTORY_ENTRY*)((const BYTE*)hdr + hdr->cbDirHeader + i * hdr->cbDirEntry);
2272 if (ent->subsection == sstGlobalTypes)
2273 {
2274 const CV_ENTRY_GLOBAL_TYPES* types;
2275 struct codeview_type_parse ctp;
2276
2277 types = (const CV_ENTRY_GLOBAL_TYPES*)(msc_dbg->root + ent->lfo);
2278 ctp.module = msc_dbg->module;
2279 ctp.offset = (const DWORD*)(types + 1);
2280 ctp.num = types->cTypes;
2281 ctp.table = (const BYTE*)(ctp.offset + types->cTypes);
2282
2283 cv_current_module = &cv_zmodules[0];
2284 if (cv_current_module->allowed) FIXME("Already allowed ??\n");
2285 cv_current_module->allowed = TRUE;
2286
2287 codeview_parse_type_table(&ctp);
2288 break;
2289 }
2290 }
2291
2292 ent = (const CV_DIRECTORY_ENTRY*)((const BYTE*)hdr + hdr->cbDirHeader);
2293 for (i = 0; i < hdr->cDir; i++, ent = next)
2294 {
2295 next = (i == hdr->cDir-1) ? NULL :
2296 (const CV_DIRECTORY_ENTRY*)((const BYTE*)ent + hdr->cbDirEntry);
2297 prev = (i == 0) ? NULL :
2298 (const CV_DIRECTORY_ENTRY*)((const BYTE*)ent - hdr->cbDirEntry);
2299
2300 if (ent->subsection == sstAlignSym)
2301 {
2302 /*
2303 * Check the next and previous entry. If either is a
2304 * sstSrcModule, it contains the line number info for
2305 * this file.
2306 *
2307 * FIXME: This is not a general solution!
2308 */
2309 struct codeview_linetab* linetab = NULL;
2310
2311 if (next && next->iMod == ent->iMod &&
2312 next->subsection == sstSrcModule)
2313 linetab = codeview_snarf_linetab(msc_dbg->module,
2314 msc_dbg->root + next->lfo, next->cb,
2315 TRUE);
2316
2317 if (prev && prev->iMod == ent->iMod &&
2318 prev->subsection == sstSrcModule)
2319 linetab = codeview_snarf_linetab(msc_dbg->module,
2320 msc_dbg->root + prev->lfo, prev->cb,
2321 TRUE);
2322
2323 codeview_snarf(msc_dbg, msc_dbg->root + ent->lfo, sizeof(DWORD),
2324 ent->cb, linetab);
2325 }
2326 }
2327
2328 msc_dbg->module->module.SymType = SymCv;
2329 codeview_clear_type_table();
2330 ret = TRUE;
2331 break;
2332 }
2333
2334 case CODEVIEW_NB10_SIG:
2335 {
2336 const CODEVIEW_PDB_DATA* pdb = (const CODEVIEW_PDB_DATA*)(cv + 1);
2337 pdb_lookup.filename = pdb->name;
2338 pdb_lookup.kind = PDB_JG;
2339 pdb_lookup.u.jg.timestamp = pdb->timestamp;
2340 pdb_lookup.u.jg.toc = NULL;
2341 pdb_lookup.age = pdb->unknown;
2342 ret = pdb_process_file(pcs, msc_dbg, &pdb_lookup);
2343 break;
2344 }
2345 case CODEVIEW_RSDS_SIG:
2346 {
2347 const CODEVIEW_HEADER_RSDS* rsds = (const CODEVIEW_HEADER_RSDS*)msc_dbg->root;
2348
2349 TRACE("Got RSDS type of PDB file: guid=%s unk=%08lx name=%s\n",
2350 wine_dbgstr_guid(&rsds->guid), rsds->unknown, rsds->name);
2351 pdb_lookup.filename = rsds->name;
2352 pdb_lookup.kind = PDB_DS;
2353 pdb_lookup.u.ds.guid = rsds->guid;
2354 pdb_lookup.u.ds.toc = NULL;
2355 ret = pdb_process_file(pcs, msc_dbg, &pdb_lookup);
2356 break;
2357 }
2358 default:
2359 ERR("Unknown CODEVIEW signature %08lX in module %s\n",
2360 cv->dwSignature, msc_dbg->module->module.ModuleName);
2361 break;
2362 }
2363
2364 return ret;
2365 }
2366
2367 /*========================================================================
2368 * Process debug directory.
2369 */
2370 BOOL pe_load_debug_directory(const struct process* pcs, struct module* module,
2371 const BYTE* mapping,
2372 const IMAGE_SECTION_HEADER* sectp, DWORD nsect,
2373 const IMAGE_DEBUG_DIRECTORY* dbg, int nDbg)
2374 {
2375 BOOL ret;
2376 int i;
2377 struct msc_debug_info msc_dbg;
2378
2379 msc_dbg.module = module;
2380 msc_dbg.nsect = nsect;
2381 msc_dbg.sectp = sectp;
2382 msc_dbg.nomap = 0;
2383 msc_dbg.omapp = NULL;
2384
2385 __TRY
2386 {
2387 ret = FALSE;
2388
2389 /* First, watch out for OMAP data */
2390 for (i = 0; i < nDbg; i++)
2391 {
2392 if (dbg[i].Type == IMAGE_DEBUG_TYPE_OMAP_FROM_SRC)
2393 {
2394 msc_dbg.nomap = dbg[i].SizeOfData / sizeof(OMAP_DATA);
2395 msc_dbg.omapp = (const OMAP_DATA*)(mapping + dbg[i].PointerToRawData);
2396 break;
2397 }
2398 }
2399
2400 /* Now, try to parse CodeView debug info */
2401 for (i = 0; i < nDbg; i++)
2402 {
2403 if (dbg[i].Type == IMAGE_DEBUG_TYPE_CODEVIEW)
2404 {
2405 msc_dbg.root = mapping + dbg[i].PointerToRawData;
2406 if ((ret = codeview_process_info(pcs, &msc_dbg))) goto done;
2407 }
2408 }
2409
2410 /* If not found, try to parse COFF debug info */
2411 for (i = 0; i < nDbg; i++)
2412 {
2413 if (dbg[i].Type == IMAGE_DEBUG_TYPE_COFF)
2414 {
2415 msc_dbg.root = mapping + dbg[i].PointerToRawData;
2416 if ((ret = coff_process_info(&msc_dbg))) goto done;
2417 }
2418 }
2419 done:
2420 /* FIXME: this should be supported... this is the debug information for
2421 * functions compiled without a frame pointer (FPO = frame pointer omission)
2422 * the associated data helps finding out the relevant information
2423 */
2424 for (i = 0; i < nDbg; i++)
2425 if (dbg[i].Type == IMAGE_DEBUG_TYPE_FPO)
2426 FIXME("This guy has FPO information\n");
2427 #if 0
2428
2429 #define FRAME_FPO 0
2430 #define FRAME_TRAP 1
2431 #define FRAME_TSS 2
2432
2433 typedef struct _FPO_DATA
2434 {
2435 DWORD ulOffStart; /* offset 1st byte of function code */
2436 DWORD cbProcSize; /* # bytes in function */
2437 DWORD cdwLocals; /* # bytes in locals/4 */
2438 WORD cdwParams; /* # bytes in params/4 */
2439
2440 WORD cbProlog : 8; /* # bytes in prolog */
2441 WORD cbRegs : 3; /* # regs saved */
2442 WORD fHasSEH : 1; /* TRUE if SEH in func */
2443 WORD fUseBP : 1; /* TRUE if EBP has been allocated */
2444 WORD reserved : 1; /* reserved for future use */
2445 WORD cbFrame : 2; /* frame type */
2446 } FPO_DATA;
2447 #endif
2448
2449 }
2450 __EXCEPT_PAGE_FAULT
2451 {
2452 ERR("Got a page fault while loading symbols\n");
2453 ret = FALSE;
2454 }
2455 __ENDTRY
2456 return ret;
2457 }
Maarten's multimedia branch