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Change an ERR to a WARN.
[wine/wine64.git] / dlls / dbghelp / msc.c
blobc8e105c58a0a4148f667b0bec2e6dede298c3773
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, 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 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 WINE_EXCEPTION_FILTER(page_fault)
70 {
71 if (GetExceptionCode() == EXCEPTION_ACCESS_VIOLATION)
72 return EXCEPTION_EXECUTE_HANDLER;
73 return EXCEPTION_CONTINUE_SEARCH;
74 }
75
76 static void dump(const void* ptr, unsigned len)
77 {
78 int i, j;
79 BYTE msg[128];
80 const char* hexof = "0123456789abcdef";
81 const BYTE* x = (const BYTE*)ptr;
82
83 for (i = 0; i < len; i += 16)
84 {
85 sprintf(msg, "%08x: ", i);
86 memset(msg + 10, ' ', 3 * 16 + 1 + 16);
87 for (j = 0; j < min(16, len - i); j++)
88 {
89 msg[10 + 3 * j + 0] = hexof[x[i + j] >> 4];
90 msg[10 + 3 * j + 1] = hexof[x[i + j] & 15];
91 msg[10 + 3 * j + 2] = ' ';
92 msg[10 + 3 * 16 + 1 + j] = (x[i + j] >= 0x20 && x[i + j] < 0x7f) ?
93 x[i + j] : '.';
94 }
95 msg[10 + 3 * 16] = ' ';
96 msg[10 + 3 * 16 + 1 + 16] = '\0';
97 FIXME("%s\n", msg);
98 }
99 }
100
101 /*========================================================================
102 * Process CodeView type information.
103 */
104
105 #define MAX_BUILTIN_TYPES 0x0480
106 #define FIRST_DEFINABLE_TYPE 0x1000
107
108 static struct symt* cv_basic_types[MAX_BUILTIN_TYPES];
109
110 #define SymTagCVBitField (SymTagMax + 0x100)
111 struct codeview_bitfield
112 {
113 struct symt symt;
114 unsigned subtype;
115 unsigned bitposition;
116 unsigned bitlength;
117 };
118
119 struct cv_defined_module
120 {
121 BOOL allowed;
122 unsigned int num_defined_types;
123 struct symt** defined_types;
124
125 struct codeview_bitfield* bitfields;
126 unsigned num_bitfields;
127 unsigned used_bitfields;
128 };
129 /* FIXME: don't make it static */
130 #define CV_MAX_MODULES 32
131 static struct cv_defined_module cv_zmodules[CV_MAX_MODULES];
132 static struct cv_defined_module*cv_current_module;
133
134 static void codeview_init_basic_types(struct module* module)
135 {
136 /*
137 * These are the common builtin types that are used by VC++.
138 */
139 cv_basic_types[T_NOTYPE] = NULL;
140 cv_basic_types[T_ABS] = NULL;
141 cv_basic_types[T_VOID] = &symt_new_basic(module, btVoid, "void", 0)->symt;
142 cv_basic_types[T_CHAR] = &symt_new_basic(module, btChar, "char", 1)->symt;
143 cv_basic_types[T_SHORT] = &symt_new_basic(module, btInt, "short int", 2)->symt;
144 cv_basic_types[T_LONG] = &symt_new_basic(module, btInt, "long int", 4)->symt;
145 cv_basic_types[T_QUAD] = &symt_new_basic(module, btInt, "long long int", 8)->symt;
146 cv_basic_types[T_UCHAR] = &symt_new_basic(module, btUInt, "unsigned char", 1)->symt;
147 cv_basic_types[T_USHORT] = &symt_new_basic(module, btUInt, "unsigned short", 2)->symt;
148 cv_basic_types[T_ULONG] = &symt_new_basic(module, btUInt, "unsigned long", 4)->symt;
149 cv_basic_types[T_UQUAD] = &symt_new_basic(module, btUInt, "unsigned long long", 8)->symt;
150 cv_basic_types[T_REAL32] = &symt_new_basic(module, btFloat, "float", 4)->symt;
151 cv_basic_types[T_REAL64] = &symt_new_basic(module, btFloat, "double", 8)->symt;
152 cv_basic_types[T_RCHAR] = &symt_new_basic(module, btInt, "signed char", 1)->symt;
153 cv_basic_types[T_WCHAR] = &symt_new_basic(module, btWChar, "wchar_t", 2)->symt;
154 cv_basic_types[T_INT4] = &symt_new_basic(module, btInt, "INT4", 4)->symt;
155 cv_basic_types[T_UINT4] = &symt_new_basic(module, btUInt, "UINT4", 4)->symt;
156
157 cv_basic_types[T_32PVOID] = &symt_new_pointer(module, cv_basic_types[T_VOID])->symt;
158 cv_basic_types[T_32PCHAR] = &symt_new_pointer(module, cv_basic_types[T_CHAR])->symt;
159 cv_basic_types[T_32PSHORT] = &symt_new_pointer(module, cv_basic_types[T_SHORT])->symt;
160 cv_basic_types[T_32PLONG] = &symt_new_pointer(module, cv_basic_types[T_LONG])->symt;
161 cv_basic_types[T_32PQUAD] = &symt_new_pointer(module, cv_basic_types[T_QUAD])->symt;
162 cv_basic_types[T_32PUCHAR] = &symt_new_pointer(module, cv_basic_types[T_UCHAR])->symt;
163 cv_basic_types[T_32PUSHORT] = &symt_new_pointer(module, cv_basic_types[T_USHORT])->symt;
164 cv_basic_types[T_32PULONG] = &symt_new_pointer(module, cv_basic_types[T_ULONG])->symt;
165 cv_basic_types[T_32PUQUAD] = &symt_new_pointer(module, cv_basic_types[T_UQUAD])->symt;
166 cv_basic_types[T_32PREAL32] = &symt_new_pointer(module, cv_basic_types[T_REAL32])->symt;
167 cv_basic_types[T_32PREAL64] = &symt_new_pointer(module, cv_basic_types[T_REAL64])->symt;
168 cv_basic_types[T_32PRCHAR] = &symt_new_pointer(module, cv_basic_types[T_RCHAR])->symt;
169 cv_basic_types[T_32PWCHAR] = &symt_new_pointer(module, cv_basic_types[T_WCHAR])->symt;
170 cv_basic_types[T_32PINT4] = &symt_new_pointer(module, cv_basic_types[T_INT4])->symt;
171 cv_basic_types[T_32PUINT4] = &symt_new_pointer(module, cv_basic_types[T_UINT4])->symt;
172 }
173
174 static int numeric_leaf(int* value, const unsigned short int* leaf)
175 {
176 unsigned short int type = *leaf++;
177 int length = 2;
178
179 if (type < LF_NUMERIC)
180 {
181 *value = type;
182 }
183 else
184 {
185 switch (type)
186 {
187 case LF_CHAR:
188 length += 1;
189 *value = *(const char*)leaf;
190 break;
191
192 case LF_SHORT:
193 length += 2;
194 *value = *(const short*)leaf;
195 break;
196
197 case LF_USHORT:
198 length += 2;
199 *value = *(const unsigned short*)leaf;
200 break;
201
202 case LF_LONG:
203 length += 4;
204 *value = *(const int*)leaf;
205 break;
206
207 case LF_ULONG:
208 length += 4;
209 *value = *(const unsigned int*)leaf;
210 break;
211
212 case LF_QUADWORD:
213 case LF_UQUADWORD:
214 FIXME("Unsupported numeric leaf type %04x\n", type);
215 length += 8;
216 *value = 0; /* FIXME */
217 break;
218
219 case LF_REAL32:
220 FIXME("Unsupported numeric leaf type %04x\n", type);
221 length += 4;
222 *value = 0; /* FIXME */
223 break;
224
225 case LF_REAL48:
226 FIXME("Unsupported numeric leaf type %04x\n", type);
227 length += 6;
228 *value = 0; /* FIXME */
229 break;
230
231 case LF_REAL64:
232 FIXME("Unsupported numeric leaf type %04x\n", type);
233 length += 8;
234 *value = 0; /* FIXME */
235 break;
236
237 case LF_REAL80:
238 FIXME("Unsupported numeric leaf type %04x\n", type);
239 length += 10;
240 *value = 0; /* FIXME */
241 break;
242
243 case LF_REAL128:
244 FIXME("Unsupported numeric leaf type %04x\n", type);
245 length += 16;
246 *value = 0; /* FIXME */
247 break;
248
249 case LF_COMPLEX32:
250 FIXME("Unsupported numeric leaf type %04x\n", type);
251 length += 4;
252 *value = 0; /* FIXME */
253 break;
254
255 case LF_COMPLEX64:
256 FIXME("Unsupported numeric leaf type %04x\n", type);
257 length += 8;
258 *value = 0; /* FIXME */
259 break;
260
261 case LF_COMPLEX80:
262 FIXME("Unsupported numeric leaf type %04x\n", type);
263 length += 10;
264 *value = 0; /* FIXME */
265 break;
266
267 case LF_COMPLEX128:
268 FIXME("Unsupported numeric leaf type %04x\n", type);
269 length += 16;
270 *value = 0; /* FIXME */
271 break;
272
273 case LF_VARSTRING:
274 FIXME("Unsupported numeric leaf type %04x\n", type);
275 length += 2 + *leaf;
276 *value = 0; /* FIXME */
277 break;
278
279 default:
280 FIXME("Unknown numeric leaf type %04x\n", type);
281 *value = 0;
282 break;
283 }
284 }
285
286 return length;
287 }
288
289 /* convert a pascal string (as stored in debug information) into
290 * a C string (null terminated).
291 */
292 static const char* terminate_string(const struct p_string* p_name)
293 {
294 static char symname[256];
295
296 memcpy(symname, p_name->name, p_name->namelen);
297 symname[p_name->namelen] = '\0';
298
299 return (!*symname || strcmp(symname, "__unnamed") == 0) ? NULL : symname;
300 }
301
302 static struct symt* codeview_get_type(unsigned int typeno, BOOL allow_special)
303 {
304 struct symt* symt = NULL;
305
306 /*
307 * Convert Codeview type numbers into something we can grok internally.
308 * Numbers < FIRST_DEFINABLE_TYPE are all fixed builtin types.
309 * Numbers from FIRST_DEFINABLE_TYPE and up are all user defined (structs, etc).
310 */
311 if (typeno < FIRST_DEFINABLE_TYPE)
312 {
313 if (typeno < MAX_BUILTIN_TYPES)
314 symt = cv_basic_types[typeno];
315 }
316 else
317 {
318 unsigned mod_index = typeno >> 24;
319 unsigned mod_typeno = typeno & 0x00FFFFFF;
320 struct cv_defined_module* mod;
321
322 mod = (mod_index == 0) ? cv_current_module : &cv_zmodules[mod_index];
323
324 if (mod_index >= CV_MAX_MODULES || !mod->allowed)
325 FIXME("Module of index %d isn't loaded yet (%x)\n", mod_index, typeno);
326 else
327 {
328 if (mod_typeno - FIRST_DEFINABLE_TYPE < mod->num_defined_types)
329 symt = mod->defined_types[mod_typeno - FIRST_DEFINABLE_TYPE];
330 }
331 }
332 if (!allow_special && symt && symt->tag == SymTagCVBitField)
333 FIXME("bitfields are only handled for UDTs\n");
334 if (!symt && typeno) FIXME("Returning NULL symt for type-id %x\n", typeno);
335 return symt;
336 }
337
338 static int codeview_add_type(unsigned int typeno, struct symt* dt)
339 {
340 if (typeno < FIRST_DEFINABLE_TYPE)
341 FIXME("What the heck\n");
342 if (!cv_current_module)
343 {
344 FIXME("Adding %x to non allowed module\n", typeno);
345 return FALSE;
346 }
347 if ((typeno >> 24) != 0)
348 FIXME("No module index while inserting type-id assumption is wrong %x\n",
349 typeno);
350 while (typeno - FIRST_DEFINABLE_TYPE >= cv_current_module->num_defined_types)
351 {
352 cv_current_module->num_defined_types += 0x100;
353 if (cv_current_module->defined_types)
354 cv_current_module->defined_types = (struct symt**)
355 HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
356 cv_current_module->defined_types,
357 cv_current_module->num_defined_types * sizeof(struct symt*));
358 else
359 cv_current_module->defined_types = (struct symt**)
360 HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
361 cv_current_module->num_defined_types * sizeof(struct symt*));
362
363 if (cv_current_module->defined_types == NULL) return FALSE;
364 }
365
366 cv_current_module->defined_types[typeno - FIRST_DEFINABLE_TYPE] = dt;
367 return TRUE;
368 }
369
370 static void codeview_clear_type_table(void)
371 {
372 int i;
373
374 for (i = 0; i < CV_MAX_MODULES; i++)
375 {
376 if (cv_zmodules[i].allowed && cv_zmodules[i].defined_types)
377 HeapFree(GetProcessHeap(), 0, cv_zmodules[i].defined_types);
378 cv_zmodules[i].allowed = FALSE;
379 cv_zmodules[i].defined_types = NULL;
380 cv_zmodules[i].num_defined_types = 0;
381 HeapFree(GetProcessHeap(), 0, cv_zmodules[i].bitfields);
382 cv_zmodules[i].bitfields = NULL;
383 cv_zmodules[i].num_bitfields = cv_zmodules[i].used_bitfields = 0;
384 }
385 cv_current_module = NULL;
386 }
387
388 static int codeview_add_type_pointer(struct module* module, unsigned int typeno,
389 unsigned int datatype)
390 {
391 struct symt* symt = &symt_new_pointer(module,
392 codeview_get_type(datatype, FALSE))->symt;
393 return codeview_add_type(typeno, symt);
394 }
395
396 static int codeview_add_type_array(struct module* module,
397 unsigned int typeno, const char* name,
398 unsigned int elemtype, unsigned int arr_len)
399 {
400 struct symt* symt;
401 struct symt* elem = codeview_get_type(elemtype, FALSE);
402 DWORD arr_max = 0;
403
404 if (elem)
405 {
406 DWORD elem_size;
407 symt_get_info(elem, TI_GET_LENGTH, &elem_size);
408 if (elem_size) arr_max = arr_len / elem_size;
409 }
410 symt = &symt_new_array(module, 0, arr_max, elem)->symt;
411 return codeview_add_type(typeno, symt);
412 }
413
414 static int codeview_add_type_bitfield(unsigned int typeno, unsigned int bitoff,
415 unsigned int nbits, unsigned int basetype)
416 {
417 if (cv_current_module->used_bitfields >= cv_current_module->num_bitfields)
418 {
419 if (cv_current_module->bitfields)
420 {
421 cv_current_module->num_bitfields *= 2;
422 cv_current_module->bitfields =
423 HeapReAlloc(GetProcessHeap(), 0,
424 cv_current_module->bitfields,
425 cv_current_module->num_bitfields * sizeof(struct codeview_bitfield));
426 }
427 else
428 {
429 cv_current_module->num_bitfields = 64;
430 cv_current_module->bitfields =
431 HeapAlloc(GetProcessHeap(), 0,
432 cv_current_module->num_bitfields * sizeof(struct codeview_bitfield));
433 }
434 if (!cv_current_module->bitfields) return 0;
435 }
436
437 cv_current_module->bitfields[cv_current_module->used_bitfields].symt.tag = SymTagCVBitField;
438 cv_current_module->bitfields[cv_current_module->used_bitfields].subtype = basetype;
439 cv_current_module->bitfields[cv_current_module->used_bitfields].bitposition = bitoff;
440 cv_current_module->bitfields[cv_current_module->used_bitfields].bitlength = nbits;
441
442 return codeview_add_type(typeno, &cv_current_module->bitfields[cv_current_module->used_bitfields++].symt);
443 }
444
445 static int codeview_add_type_enum_field_list(struct module* module,
446 unsigned int typeno,
447 const unsigned char* list, int len)
448 {
449 struct symt_enum* symt;
450 const unsigned char* ptr = list;
451
452 symt = symt_new_enum(module, NULL);
453 while (ptr - list < len)
454 {
455 const union codeview_fieldtype* type = (const union codeview_fieldtype*)ptr;
456
457 if (*ptr >= 0xf0) /* LF_PAD... */
458 {
459 ptr += *ptr & 0x0f;
460 continue;
461 }
462
463 switch (type->generic.id)
464 {
465 case LF_ENUMERATE_V1:
466 {
467 int value, vlen = numeric_leaf(&value, &type->enumerate_v1.value);
468 const struct p_string* p_name = (const struct p_string*)((const unsigned char*)&type->enumerate_v1.value + vlen);
469
470 symt_add_enum_element(module, symt, terminate_string(p_name), value);
471 ptr += 2 + 2 + vlen + (1 + p_name->namelen);
472 break;
473 }
474 case LF_ENUMERATE_V3:
475 {
476 int value, vlen = numeric_leaf(&value, &type->enumerate_v3.value);
477 const char* name = (const char*)&type->enumerate_v3.value + vlen;
478
479 symt_add_enum_element(module, symt, name, value);
480 ptr += 2 + 2 + vlen + (1 + strlen(name));
481 break;
482 }
483
484 default:
485 FIXME("Unsupported type %04x in ENUM field list\n", type->generic.id);
486 return FALSE;
487 }
488 }
489
490 return codeview_add_type(typeno, &symt->symt);
491 }
492
493 static int codeview_add_type_struct_field_list(struct module* module,
494 unsigned int typeno,
495 const unsigned char* list, int len)
496 {
497 struct symt_udt* symt;
498 const unsigned char* ptr = list;
499 int value, leaf_len, vpoff, vplen;
500 const struct p_string* p_name;
501 const char* c_name;
502 struct symt* subtype;
503 const unsigned short int* p_vboff;
504
505 symt = symt_new_udt(module, NULL, 0, UdtStruct /* don't care */);
506 while (ptr - list < len)
507 {
508 const union codeview_fieldtype* type = (const union codeview_fieldtype*)ptr;
509
510 if (*ptr >= 0xf0) /* LF_PAD... */
511 {
512 ptr +=* ptr & 0x0f;
513 continue;
514 }
515
516 switch (type->generic.id)
517 {
518 case LF_BCLASS_V1:
519 leaf_len = numeric_leaf(&value, &type->bclass_v1.offset);
520
521 /* FIXME: ignored for now */
522
523 ptr += 2 + 2 + 2 + leaf_len;
524 break;
525
526 case LF_BCLASS_V2:
527 leaf_len = numeric_leaf(&value, &type->bclass_v2.offset);
528
529 /* FIXME: ignored for now */
530
531 ptr += 2 + 2 + 4 + leaf_len;
532 break;
533
534 case LF_VBCLASS_V1:
535 case LF_IVBCLASS_V1:
536 {
537 leaf_len = numeric_leaf(&value, &type->vbclass_v1.vbpoff);
538 p_vboff = (const unsigned short int*)((const char*)&type->vbclass_v1.vbpoff + leaf_len);
539 vplen = numeric_leaf(&vpoff, p_vboff);
540
541 /* FIXME: ignored for now */
542
543 ptr += 2 + 2 + 2 + 2 + leaf_len + vplen;
544 }
545 break;
546
547 case LF_VBCLASS_V2:
548 case LF_IVBCLASS_V2:
549 {
550 leaf_len = numeric_leaf(&value, &type->vbclass_v2.vbpoff);
551 p_vboff = (const unsigned short int*)((const char*)&type->vbclass_v2.vbpoff + leaf_len);
552 vplen = numeric_leaf(&vpoff, p_vboff);
553
554 /* FIXME: ignored for now */
555
556 ptr += 2 + 2 + 4 + 4 + leaf_len + vplen;
557 }
558 break;
559
560 case LF_MEMBER_V1:
561 leaf_len = numeric_leaf(&value, &type->member_v1.offset);
562 p_name = (const struct p_string*)((const char*)&type->member_v1.offset + leaf_len);
563 subtype = codeview_get_type(type->member_v1.type, TRUE);
564
565 if (!subtype || subtype->tag != SymTagCVBitField)
566 {
567 DWORD elem_size = 0;
568 if (subtype) symt_get_info(subtype, TI_GET_LENGTH, &elem_size);
569 symt_add_udt_element(module, symt, terminate_string(p_name),
570 codeview_get_type(type->member_v1.type, TRUE),
571 value << 3, elem_size << 3);
572 }
573 else
574 {
575 struct codeview_bitfield* cvbf = (struct codeview_bitfield*)subtype;
576 symt_add_udt_element(module, symt, terminate_string(p_name),
577 codeview_get_type(cvbf->subtype, FALSE),
578 cvbf->bitposition, cvbf->bitlength);
579 }
580
581 ptr += 2 + 2 + 2 + leaf_len + (1 + p_name->namelen);
582 break;
583
584 case LF_MEMBER_V2:
585 leaf_len = numeric_leaf(&value, &type->member_v2.offset);
586 p_name = (const struct p_string*)((const unsigned char*)&type->member_v2.offset + leaf_len);
587 subtype = codeview_get_type(type->member_v2.type, TRUE);
588
589 if (!subtype || subtype->tag != SymTagCVBitField)
590 {
591 DWORD elem_size = 0;
592 if (subtype) symt_get_info(subtype, TI_GET_LENGTH, &elem_size);
593 symt_add_udt_element(module, symt, terminate_string(p_name),
594 subtype, value << 3, elem_size << 3);
595 }
596 else
597 {
598 struct codeview_bitfield* cvbf = (struct codeview_bitfield*)subtype;
599 symt_add_udt_element(module, symt, terminate_string(p_name),
600 codeview_get_type(cvbf->subtype, FALSE),
601 cvbf->bitposition, cvbf->bitlength);
602 }
603
604 ptr += 2 + 2 + 4 + leaf_len + (1 + p_name->namelen);
605 break;
606
607 case LF_MEMBER_V3:
608 leaf_len = numeric_leaf(&value, &type->member_v3.offset);
609 c_name = (const char*)&type->member_v3.offset + leaf_len;
610 subtype = codeview_get_type(type->member_v3.type, TRUE);
611
612 if (!subtype || subtype->tag != SymTagCVBitField)
613 {
614 DWORD elem_size = 0;
615 if (subtype) symt_get_info(subtype, TI_GET_LENGTH, &elem_size);
616 symt_add_udt_element(module, symt, c_name,
617 subtype, value << 3, elem_size << 3);
618 }
619 else
620 {
621 struct codeview_bitfield* cvbf = (struct codeview_bitfield*)subtype;
622 symt_add_udt_element(module, symt, c_name,
623 codeview_get_type(cvbf->subtype, FALSE),
624 cvbf->bitposition, cvbf->bitlength);
625 }
626
627 ptr += 2 + 2 + 4 + leaf_len + (strlen(c_name) + 1);
628 break;
629
630 case LF_STMEMBER_V1:
631 /* FIXME: ignored for now */
632 ptr += 2 + 2 + 2 + (1 + type->stmember_v1.p_name.namelen);
633 break;
634
635 case LF_STMEMBER_V2:
636 /* FIXME: ignored for now */
637 ptr += 2 + 4 + 2 + (1 + type->stmember_v2.p_name.namelen);
638 break;
639
640 case LF_METHOD_V1:
641 /* FIXME: ignored for now */
642 ptr += 2 + 2 + 2 + (1 + type->method_v1.p_name.namelen);
643 break;
644
645 case LF_METHOD_V2:
646 /* FIXME: ignored for now */
647 ptr += 2 + 2 + 4 + (1 + type->method_v2.p_name.namelen);
648 break;
649
650 case LF_NESTTYPE_V1:
651 /* FIXME: ignored for now */
652 ptr += 2 + 2 + (1 + type->nesttype_v1.p_name.namelen);
653 break;
654
655 case LF_NESTTYPE_V2:
656 /* FIXME: ignored for now */
657 ptr += 2 + 2 + 4 + (1 + type->nesttype_v2.p_name.namelen);
658 break;
659
660 case LF_VFUNCTAB_V1:
661 /* FIXME: ignored for now */
662 ptr += 2 + 2;
663 break;
664
665 case LF_VFUNCTAB_V2:
666 /* FIXME: ignored for now */
667 ptr += 2 + 2 + 4;
668 break;
669
670 case LF_ONEMETHOD_V1:
671 /* FIXME: ignored for now */
672 switch ((type->onemethod_v1.attribute >> 2) & 7)
673 {
674 case 4: case 6: /* (pure) introducing virtual method */
675 ptr += 2 + 2 + 2 + 4 + (1 + type->onemethod_virt_v1.p_name.namelen);
676 break;
677
678 default:
679 ptr += 2 + 2 + 2 + (1 + type->onemethod_v1.p_name.namelen);
680 break;
681 }
682 break;
683
684 case LF_ONEMETHOD_V2:
685 /* FIXME: ignored for now */
686 switch ((type->onemethod_v2.attribute >> 2) & 7)
687 {
688 case 4: case 6: /* (pure) introducing virtual method */
689 ptr += 2 + 2 + 4 + 4 + (1 + type->onemethod_virt_v2.p_name.namelen);
690 break;
691
692 default:
693 ptr += 2 + 2 + 4 + (1 + type->onemethod_v2.p_name.namelen);
694 break;
695 }
696 break;
697
698 default:
699 FIXME("Unsupported type %04x in STRUCT field list\n", type->generic.id);
700 return FALSE;
701 }
702 }
703
704 return codeview_add_type(typeno, &symt->symt);
705 }
706
707 static int codeview_add_type_enum(struct module* module, unsigned int typeno,
708 const char* name, unsigned int fieldlist)
709 {
710 struct symt_enum* symt = symt_new_enum(module, name);
711 struct symt* list = codeview_get_type(fieldlist, FALSE);
712
713 /* FIXME: this is rather ugly !!! */
714 if (list) symt->vchildren = ((struct symt_enum*)list)->vchildren;
715
716 return codeview_add_type(typeno, &symt->symt);
717 }
718
719 static int codeview_add_type_struct(struct module* module, unsigned int typeno,
720 const char* name, int structlen,
721 unsigned int fieldlist, enum UdtKind kind)
722 {
723 struct symt_udt* symt = symt_new_udt(module, name, structlen, kind);
724 struct symt* list = codeview_get_type(fieldlist, FALSE);
725
726 /* FIXME: this is rather ugly !!! */
727 if (list) symt->vchildren = ((struct symt_udt*)list)->vchildren;
728
729 return codeview_add_type(typeno, &symt->symt);
730 }
731
732 static int codeview_new_func_signature(struct module* module, unsigned typeno,
733 unsigned ret_type)
734 {
735 struct symt* symt;
736 symt = &symt_new_function_signature(module,
737 codeview_get_type(ret_type, FALSE))->symt;
738 return codeview_add_type(typeno, symt);
739 }
740
741 static int codeview_parse_type_table(struct module* module, const char* table,
742 int len)
743 {
744 unsigned int curr_type = 0x1000;
745 const char* ptr = table;
746 int retv;
747 const union codeview_type* type;
748 int value, leaf_len;
749 const struct p_string* p_name;
750 const char* c_name;
751
752 while (ptr - table < len)
753 {
754 retv = TRUE;
755 type = (const union codeview_type*)ptr;
756
757 switch (type->generic.id)
758 {
759 case LF_MODIFIER_V1:
760 /* FIXME: we don't handle modifiers,
761 * but readd previous type on the curr_type
762 */
763 WARN("Modifier on %x: %s%s%s%s\n",
764 type->modifier_v1.type,
765 type->modifier_v1.attribute & 0x01 ? "const " : "",
766 type->modifier_v1.attribute & 0x02 ? "volatile " : "",
767 type->modifier_v1.attribute & 0x04 ? "unaligned " : "",
768 type->modifier_v1.attribute & ~0x07 ? "unknown " : "");
769 codeview_add_type(curr_type,
770 codeview_get_type(type->modifier_v1.type, FALSE));
771 break;
772 case LF_MODIFIER_V2:
773 /* FIXME: we don't handle modifiers, but readd previous type on the curr_type */
774 WARN("Modifier on %x: %s%s%s%s\n",
775 type->modifier_v2.type,
776 type->modifier_v2.attribute & 0x01 ? "const " : "",
777 type->modifier_v2.attribute & 0x02 ? "volatile " : "",
778 type->modifier_v2.attribute & 0x04 ? "unaligned " : "",
779 type->modifier_v2.attribute & ~0x07 ? "unknown " : "");
780 codeview_add_type(curr_type,
781 codeview_get_type(type->modifier_v2.type, FALSE));
782 break;
783
784 case LF_POINTER_V1:
785 retv = codeview_add_type_pointer(module, curr_type,
786 type->pointer_v1.datatype);
787 break;
788 case LF_POINTER_V2:
789 retv = codeview_add_type_pointer(module, curr_type,
790 type->pointer_v2.datatype);
791 break;
792
793 case LF_ARRAY_V1:
794 leaf_len = numeric_leaf(&value, &type->array_v1.arrlen);
795 p_name = (const struct p_string*)((const unsigned char*)&type->array_v1.arrlen + leaf_len);
796
797 retv = codeview_add_type_array(module, curr_type, terminate_string(p_name),
798 type->array_v1.elemtype, value);
799 break;
800 case LF_ARRAY_V2:
801 leaf_len = numeric_leaf(&value, &type->array_v2.arrlen);
802 p_name = (const struct p_string*)((const unsigned char*)&type->array_v2.arrlen + leaf_len);
803
804 retv = codeview_add_type_array(module, curr_type, terminate_string(p_name),
805 type->array_v2.elemtype, value);
806 break;
807 case LF_ARRAY_V3:
808 leaf_len = numeric_leaf(&value, &type->array_v3.arrlen);
809 c_name = (const char*)&type->array_v3.arrlen + leaf_len;
810
811 retv = codeview_add_type_array(module, curr_type, c_name,
812 type->array_v3.elemtype, value);
813 break;
814
815 case LF_BITFIELD_V1:
816 /* a bitfield is a CodeView specific data type which represent a bitfield
817 * in a structure or a class. For now, we store it in a SymTag-like type
818 * (so that the rest of the process is seamless), but check at udt
819 * inclusion type for its presence
820 */
821 retv = codeview_add_type_bitfield(curr_type, type->bitfield_v1.bitoff,
822 type->bitfield_v1.nbits,
823 type->bitfield_v1.type);
824 break;
825 case LF_BITFIELD_V2:
826 retv = codeview_add_type_bitfield(curr_type, type->bitfield_v2.bitoff,
827 type->bitfield_v2.nbits,
828 type->bitfield_v2.type);
829 break;
830 case LF_FIELDLIST_V1:
831 case LF_FIELDLIST_V2:
832 {
833 /*
834 * A 'field list' is a CodeView-specific data type which doesn't
835 * directly correspond to any high-level data type. It is used
836 * to hold the collection of members of a struct, class, union
837 * or enum type. The actual definition of that type will follow
838 * later, and refer to the field list definition record.
839 *
840 * As we don't have a field list type ourselves, we look ahead
841 * in the field list to try to find out whether this field list
842 * will be used for an enum or struct type, and create a dummy
843 * type of the corresponding sort. Later on, the definition of
844 * the 'real' type will copy the member / enumeration data.
845 */
846 const char* list = type->fieldlist.list;
847 int len = (ptr + type->generic.len + 2) - list;
848
849 if (((const union codeview_fieldtype*)list)->generic.id == LF_ENUMERATE_V1 ||
850 ((const union codeview_fieldtype*)list)->generic.id == LF_ENUMERATE_V3)
851 retv = codeview_add_type_enum_field_list(module, curr_type, list, len);
852 else
853 retv = codeview_add_type_struct_field_list(module, curr_type, list, len);
854 }
855 break;
856
857 case LF_STRUCTURE_V1:
858 case LF_CLASS_V1:
859 leaf_len = numeric_leaf(&value, &type->struct_v1.structlen);
860 p_name = (const struct p_string*)((const unsigned char*)&type->struct_v1.structlen + leaf_len);
861
862 retv = codeview_add_type_struct(module, curr_type, terminate_string(p_name),
863 value, type->struct_v1.fieldlist,
864 type->generic.id == LF_CLASS_V1 ? UdtClass : UdtStruct);
865 break;
866
867 case LF_STRUCTURE_V2:
868 case LF_CLASS_V2:
869 leaf_len = numeric_leaf(&value, &type->struct_v2.structlen);
870 p_name = (const struct p_string*)((const unsigned char*)&type->struct_v2.structlen + leaf_len);
871
872 retv = codeview_add_type_struct(module, curr_type, terminate_string(p_name),
873 value, type->struct_v2.fieldlist,
874 type->generic.id == LF_CLASS_V2 ? UdtClass : UdtStruct);
875 break;
876
877 case LF_STRUCTURE_V3:
878 case LF_CLASS_V3:
879 leaf_len = numeric_leaf(&value, &type->struct_v3.structlen);
880 c_name = (const char*)&type->struct_v3.structlen + leaf_len;
881
882 retv = codeview_add_type_struct(module, curr_type, c_name,
883 value, type->struct_v3.fieldlist,
884 type->generic.id == LF_CLASS_V3 ? UdtClass : UdtStruct);
885 break;
886
887 case LF_UNION_V1:
888 leaf_len = numeric_leaf(&value, &type->union_v1.un_len);
889 p_name = (const struct p_string*)((const unsigned char*)&type->union_v1.un_len + leaf_len);
890
891 retv = codeview_add_type_struct(module, curr_type, terminate_string(p_name),
892 value, type->union_v1.fieldlist, UdtUnion);
893 break;
894 case LF_UNION_V2:
895 leaf_len = numeric_leaf(&value, &type->union_v2.un_len);
896 p_name = (const struct p_string*)((const unsigned char*)&type->union_v2.un_len + leaf_len);
897
898 retv = codeview_add_type_struct(module, curr_type, terminate_string(p_name),
899 value, type->union_v2.fieldlist, UdtUnion);
900 break;
901 case LF_UNION_V3:
902 leaf_len = numeric_leaf(&value, &type->union_v3.un_len);
903 c_name = (const char*)&type->union_v3.un_len + leaf_len;
904
905 retv = codeview_add_type_struct(module, curr_type, c_name,
906 value, type->union_v3.fieldlist, UdtUnion);
907
908 case LF_ENUM_V1:
909 retv = codeview_add_type_enum(module, curr_type, terminate_string(&type->enumeration_v1.p_name),
910 type->enumeration_v1.field);
911 break;
912
913 case LF_ENUM_V2:
914 retv = codeview_add_type_enum(module, curr_type, terminate_string(&type->enumeration_v2.p_name),
915 type->enumeration_v2.field);
916 break;
917 case LF_ENUM_V3:
918 retv = codeview_add_type_enum(module, curr_type, type->enumeration_v3.name,
919 type->enumeration_v3.field);
920 break;
921 case LF_PROCEDURE_V1:
922 retv = codeview_new_func_signature(module, curr_type,
923 type->procedure_v1.rvtype);
924 break;
925 case LF_PROCEDURE_V2:
926 retv = codeview_new_func_signature(module, curr_type,
927 type->procedure_v2.rvtype);
928 break;
929 case LF_MFUNCTION_V1:
930 /* FIXME: for C++, this is plain wrong, but as we don't use arg types
931 * nor class information, this would just do for now
932 */
933 retv = codeview_new_func_signature(module, curr_type,
934 type->mfunction_v1.rvtype);
935 break;
936 case LF_MFUNCTION_V2:
937 /* FIXME: for C++, this is plain wrong, but as we don't use arg types
938 * nor class information, this would just do for now
939 */
940 retv = codeview_new_func_signature(module, curr_type,
941 type->mfunction_v2.rvtype);
942 break;
943 case LF_ARGLIST_V1:
944 case LF_ARGLIST_V2:
945 {
946 static int once;
947 if (!once++)
948 FIXME("Not adding parameters' types to function signature\n");
949 }
950 break;
951
952 default:
953 FIXME("Unsupported type-id leaf %x\n", type->generic.id);
954 dump(type, 2 + type->generic.len);
955 break;
956 }
957 if (!retv) return FALSE;
958 curr_type++;
959 ptr += type->generic.len + 2;
960 }
961
962 return TRUE;
963 }
964
965 /*========================================================================
966 * Process CodeView line number information.
967 */
968
969 static struct codeview_linetab* codeview_snarf_linetab(struct module* module,
970 const char* linetab, int size,
971 BOOL pascal_str)
972 {
973 int file_segcount;
974 char filename[PATH_MAX];
975 const unsigned int* filetab;
976 const struct p_string* p_fn;
977 int i;
978 int k;
979 struct codeview_linetab* lt_hdr;
980 const unsigned int* lt_ptr;
981 int nfile;
982 int nseg;
983 union any_size pnt;
984 union any_size pnt2;
985 const struct startend* start;
986 int this_seg;
987 struct symt_compiland* compiland;
988
989 /*
990 * Now get the important bits.
991 */
992 pnt.c = linetab;
993 nfile = *pnt.s++;
994 nseg = *pnt.s++;
995
996 filetab = (const unsigned int*) pnt.c;
997
998 /*
999 * Now count up the number of segments in the file.
1000 */
1001 nseg = 0;
1002 for (i = 0; i < nfile; i++)
1003 {
1004 pnt2.c = linetab + filetab[i];
1005 nseg += *pnt2.s;
1006 }
1007
1008 /*
1009 * Next allocate the header we will be returning.
1010 * There is one header for each segment, so that we can reach in
1011 * and pull bits as required.
1012 */
1013 lt_hdr = (struct codeview_linetab*)
1014 HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, (nseg + 1) * sizeof(*lt_hdr));
1015 if (lt_hdr == NULL)
1016 {
1017 goto leave;
1018 }
1019
1020 /*
1021 * Now fill the header we will be returning, one for each segment.
1022 * Note that this will basically just contain pointers into the existing
1023 * line table, and we do not actually copy any additional information
1024 * or allocate any additional memory.
1025 */
1026
1027 this_seg = 0;
1028 for (i = 0; i < nfile; i++)
1029 {
1030 /*
1031 * Get the pointer into the segment information.
1032 */
1033 pnt2.c = linetab + filetab[i];
1034 file_segcount = *pnt2.s;
1035
1036 pnt2.ui++;
1037 lt_ptr = (const unsigned int*) pnt2.c;
1038 start = (const struct startend*)(lt_ptr + file_segcount);
1039
1040 /*
1041 * Now snarf the filename for all of the segments for this file.
1042 */
1043 if (pascal_str)
1044 {
1045 p_fn = (const struct p_string*)(start + file_segcount);
1046 memset(filename, 0, sizeof(filename));
1047 memcpy(filename, p_fn->name, p_fn->namelen);
1048 compiland = symt_new_compiland(module, filename);
1049 }
1050 else
1051 compiland = symt_new_compiland(module, (const char*)(start + file_segcount));
1052
1053 for (k = 0; k < file_segcount; k++, this_seg++)
1054 {
1055 pnt2.c = linetab + lt_ptr[k];
1056 lt_hdr[this_seg].start = start[k].start;
1057 lt_hdr[this_seg].end = start[k].end;
1058 lt_hdr[this_seg].compiland = compiland;
1059 lt_hdr[this_seg].segno = *pnt2.s++;
1060 lt_hdr[this_seg].nline = *pnt2.s++;
1061 lt_hdr[this_seg].offtab = pnt2.ui;
1062 lt_hdr[this_seg].linetab = (const unsigned short*)(pnt2.ui + lt_hdr[this_seg].nline);
1063 }
1064 }
1065
1066 leave:
1067
1068 return lt_hdr;
1069
1070 }
1071
1072 /*========================================================================
1073 * Process CodeView symbol information.
1074 */
1075
1076 static unsigned int codeview_map_offset(const struct msc_debug_info* msc_dbg,
1077 unsigned int offset)
1078 {
1079 int nomap = msc_dbg->nomap;
1080 const OMAP_DATA* omapp = msc_dbg->omapp;
1081 int i;
1082
1083 if (!nomap || !omapp) return offset;
1084
1085 /* FIXME: use binary search */
1086 for (i = 0; i < nomap - 1; i++)
1087 if (omapp[i].from <= offset && omapp[i+1].from > offset)
1088 return !omapp[i].to ? 0 : omapp[i].to + (offset - omapp[i].from);
1089
1090 return 0;
1091 }
1092
1093 static const struct codeview_linetab*
1094 codeview_get_linetab(const struct codeview_linetab* linetab,
1095 unsigned seg, unsigned offset)
1096 {
1097 /*
1098 * Check whether we have line number information
1099 */
1100 if (linetab)
1101 {
1102 for (; linetab->linetab; linetab++)
1103 if (linetab->segno == seg &&
1104 linetab->start <= offset && linetab->end > offset)
1105 break;
1106 if (!linetab->linetab) linetab = NULL;
1107 }
1108 return linetab;
1109 }
1110
1111 static unsigned codeview_get_address(const struct msc_debug_info* msc_dbg,
1112 unsigned seg, unsigned offset)
1113 {
1114 int nsect = msc_dbg->nsect;
1115 const IMAGE_SECTION_HEADER* sectp = msc_dbg->sectp;
1116
1117 if (!seg || seg > nsect) return 0;
1118 return msc_dbg->module->module.BaseOfImage +
1119 codeview_map_offset(msc_dbg, sectp[seg-1].VirtualAddress + offset);
1120 }
1121
1122 static void codeview_add_func_linenum(struct module* module,
1123 struct symt_function* func,
1124 const struct codeview_linetab* linetab,
1125 unsigned offset, unsigned size)
1126 {
1127 unsigned int i;
1128
1129 if (!linetab) return;
1130 for (i = 0; i < linetab->nline; i++)
1131 {
1132 if (linetab->offtab[i] >= offset && linetab->offtab[i] < offset + size)
1133 {
1134 symt_add_func_line(module, func, linetab->compiland->source,
1135 linetab->linetab[i], linetab->offtab[i] - offset);
1136 }
1137 }
1138 }
1139
1140 static int codeview_snarf(const struct msc_debug_info* msc_dbg, const BYTE* root,
1141 int offset, int size,
1142 struct codeview_linetab* linetab)
1143 {
1144 struct symt_function* curr_func = NULL;
1145 int i, length;
1146 const struct codeview_linetab* flt;
1147 struct symt_block* block = NULL;
1148 struct symt* symt;
1149 const char* name;
1150
1151 /*
1152 * Loop over the different types of records and whenever we
1153 * find something we are interested in, record it and move on.
1154 */
1155 for (i = offset; i < size; i += length)
1156 {
1157 const union codeview_symbol* sym = (const union codeview_symbol*)(root + i);
1158 length = sym->generic.len + 2;
1159 if (length & 3) FIXME("unpadded len %u\n", length + 2);
1160
1161 switch (sym->generic.id)
1162 {
1163 /*
1164 * Global and local data symbols. We don't associate these
1165 * with any given source file.
1166 */
1167 case S_GDATA_V1:
1168 case S_LDATA_V1:
1169 flt = codeview_get_linetab(linetab, sym->data_v1.segment, sym->data_v1.offset);
1170 symt_new_global_variable(msc_dbg->module,
1171 flt ? flt->compiland : NULL,
1172 terminate_string(&sym->data_v1.p_name), sym->generic.id == S_LDATA_V1,
1173 codeview_get_address(msc_dbg, sym->data_v1.segment, sym->data_v1.offset),
1174 0,
1175 codeview_get_type(sym->data_v1.symtype, FALSE));
1176 break;
1177 case S_GDATA_V2:
1178 case S_LDATA_V2:
1179 flt = codeview_get_linetab(linetab, sym->data_v2.segment, sym->data_v2.offset);
1180 name = terminate_string(&sym->data_v2.p_name);
1181 if (name)
1182 symt_new_global_variable(msc_dbg->module, flt ? flt->compiland : NULL,
1183 name, sym->generic.id == S_LDATA_V2,
1184 codeview_get_address(msc_dbg, sym->data_v2.segment, sym->data_v2.offset),
1185 0,
1186 codeview_get_type(sym->data_v2.symtype, FALSE));
1187 break;
1188 case S_GDATA_V3:
1189 case S_LDATA_V3:
1190 flt = codeview_get_linetab(linetab, sym->data_v3.segment, sym->data_v3.offset);
1191 if (*sym->data_v3.name)
1192 symt_new_global_variable(msc_dbg->module, flt ? flt->compiland : NULL,
1193 sym->data_v3.name,
1194 sym->generic.id == S_LDATA_V3,
1195 codeview_get_address(msc_dbg, sym->data_v3.segment, sym->data_v3.offset),
1196 0,
1197 codeview_get_type(sym->data_v3.symtype, FALSE));
1198 break;
1199
1200 case S_PUB_V1: /* FIXME is this really a 'data_v1' structure ?? */
1201 if (!(dbghelp_options & SYMOPT_NO_PUBLICS))
1202 {
1203 flt = codeview_get_linetab(linetab, sym->data_v1.segment, sym->data_v1.offset);
1204 symt_new_public(msc_dbg->module, flt ? flt->compiland : NULL,
1205 terminate_string(&sym->data_v1.p_name),
1206 codeview_get_address(msc_dbg, sym->data_v1.segment, sym->data_v1.offset),
1207 0, TRUE /* FIXME */, TRUE /* FIXME */);
1208 }
1209 break;
1210 case S_PUB_V2: /* FIXME is this really a 'data_v2' structure ?? */
1211 if (!(dbghelp_options & SYMOPT_NO_PUBLICS))
1212 {
1213 flt = codeview_get_linetab(linetab, sym->data_v2.segment, sym->data_v2.offset);
1214 symt_new_public(msc_dbg->module, flt ? flt->compiland : NULL,
1215 terminate_string(&sym->data_v2.p_name),
1216 codeview_get_address(msc_dbg, sym->data_v2.segment, sym->data_v2.offset),
1217 0, TRUE /* FIXME */, TRUE /* FIXME */);
1218 }
1219 break;
1220
1221 /*
1222 * Sort of like a global function, but it just points
1223 * to a thunk, which is a stupid name for what amounts to
1224 * a PLT slot in the normal jargon that everyone else uses.
1225 */
1226 case S_THUNK_V1:
1227 flt = codeview_get_linetab(linetab, sym->thunk_v1.segment, sym->thunk_v1.offset);
1228 symt_new_thunk(msc_dbg->module, flt ? flt->compiland : NULL,
1229 terminate_string(&sym->thunk_v1.p_name), sym->thunk_v1.thtype,
1230 codeview_get_address(msc_dbg, sym->thunk_v1.segment, sym->thunk_v1.offset),
1231 sym->thunk_v1.thunk_len);
1232 break;
1233 case S_THUNK_V3:
1234 flt = codeview_get_linetab(linetab, sym->thunk_v3.segment, sym->thunk_v3.offset);
1235 symt_new_thunk(msc_dbg->module, flt ? flt->compiland : NULL,
1236 sym->thunk_v3.name, sym->thunk_v3.thtype,
1237 codeview_get_address(msc_dbg, sym->thunk_v3.segment, sym->thunk_v3.offset),
1238 sym->thunk_v3.thunk_len);
1239 break;
1240
1241 /*
1242 * Global and static functions.
1243 */
1244 case S_GPROC_V1:
1245 case S_LPROC_V1:
1246 flt = codeview_get_linetab(linetab, sym->proc_v1.segment, sym->proc_v1.offset);
1247 if (curr_func) FIXME("nested function\n");
1248 curr_func = symt_new_function(msc_dbg->module,
1249 flt ? flt->compiland : NULL,
1250 terminate_string(&sym->proc_v1.p_name),
1251 codeview_get_address(msc_dbg, sym->proc_v1.segment, sym->proc_v1.offset),
1252 sym->proc_v1.proc_len,
1253 codeview_get_type(sym->proc_v1.proctype, FALSE));
1254 codeview_add_func_linenum(msc_dbg->module, curr_func, flt,
1255 sym->proc_v1.offset, sym->proc_v1.proc_len);
1256 symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugStart, sym->proc_v1.debug_start, NULL);
1257 symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugEnd, sym->proc_v1.debug_end, NULL);
1258 break;
1259 case S_GPROC_V2:
1260 case S_LPROC_V2:
1261 flt = codeview_get_linetab(linetab, sym->proc_v2.segment, sym->proc_v2.offset);
1262 if (curr_func) FIXME("nested function\n");
1263 curr_func = symt_new_function(msc_dbg->module,
1264 flt ? flt->compiland : NULL,
1265 terminate_string(&sym->proc_v2.p_name),
1266 codeview_get_address(msc_dbg, sym->proc_v2.segment, sym->proc_v2.offset),
1267 sym->proc_v2.proc_len,
1268 codeview_get_type(sym->proc_v2.proctype, FALSE));
1269 codeview_add_func_linenum(msc_dbg->module, curr_func, flt,
1270 sym->proc_v2.offset, sym->proc_v2.proc_len);
1271 symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugStart, sym->proc_v2.debug_start, NULL);
1272 symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugEnd, sym->proc_v2.debug_end, NULL);
1273 break;
1274 case S_GPROC_V3:
1275 case S_LPROC_V3:
1276 flt = codeview_get_linetab(linetab, sym->proc_v3.segment, sym->proc_v3.offset);
1277 if (curr_func) FIXME("nested function\n");
1278 curr_func = symt_new_function(msc_dbg->module,
1279 flt ? flt->compiland : NULL,
1280 sym->proc_v3.name,
1281 codeview_get_address(msc_dbg, sym->proc_v3.segment, sym->proc_v3.offset),
1282 sym->proc_v3.proc_len,
1283 codeview_get_type(sym->proc_v3.proctype, FALSE));
1284 codeview_add_func_linenum(msc_dbg->module, curr_func, flt,
1285 sym->proc_v3.offset, sym->proc_v3.proc_len);
1286 symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugStart, sym->proc_v3.debug_start, NULL);
1287 symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugEnd, sym->proc_v3.debug_end, NULL);
1288 break;
1289 /*
1290 * Function parameters and stack variables.
1291 */
1292 case S_BPREL_V1:
1293 symt_add_func_local(msc_dbg->module, curr_func, 0, sym->stack_v1.offset,
1294 block, codeview_get_type(sym->stack_v1.symtype, FALSE),
1295 terminate_string(&sym->stack_v1.p_name));
1296 break;
1297 case S_BPREL_V2:
1298 symt_add_func_local(msc_dbg->module, curr_func, 0, sym->stack_v2.offset,
1299 block, codeview_get_type(sym->stack_v2.symtype, FALSE),
1300 terminate_string(&sym->stack_v2.p_name));
1301 break;
1302 case S_BPREL_V3:
1303 symt_add_func_local(msc_dbg->module, curr_func, 0, sym->stack_v3.offset,
1304 block, codeview_get_type(sym->stack_v3.symtype, FALSE),
1305 sym->stack_v3.name);
1306 break;
1307
1308 case S_REGISTER_V1:
1309 symt_add_func_local(msc_dbg->module, curr_func, 0, sym->register_v1.reg,
1310 block, codeview_get_type(sym->register_v1.type, FALSE),
1311 terminate_string(&sym->register_v1.p_name));
1312 break;
1313 case S_REGISTER_V2:
1314 symt_add_func_local(msc_dbg->module, curr_func, 0, sym->register_v2.reg,
1315 block, codeview_get_type(sym->register_v2.type, FALSE),
1316 terminate_string(&sym->register_v2.p_name));
1317 break;
1318
1319 case S_BLOCK_V1:
1320 block = symt_open_func_block(msc_dbg->module, curr_func, block,
1321 codeview_get_address(msc_dbg, sym->block_v1.segment, sym->block_v1.offset),
1322 sym->block_v1.length);
1323 break;
1324 case S_BLOCK_V3:
1325 block = symt_open_func_block(msc_dbg->module, curr_func, block,
1326 codeview_get_address(msc_dbg, sym->block_v3.segment, sym->block_v3.offset),
1327 sym->block_v3.length);
1328 break;
1329
1330 case S_END_V1:
1331 if (block)
1332 {
1333 block = symt_close_func_block(msc_dbg->module, curr_func, block, 0);
1334 }
1335 else if (curr_func)
1336 {
1337 symt_normalize_function(msc_dbg->module, curr_func);
1338 curr_func = NULL;
1339 }
1340 break;
1341
1342 /* FIXME: we should use this as a compiland, instead of guessing it on the fly */
1343 case S_COMPILAND_V1:
1344 TRACE("S-Compiland-V1e %x %s\n",
1345 sym->compiland_v1.unknown,
1346 terminate_string(&sym->compiland_v1.p_name));
1347 break;
1348
1349 case S_COMPILAND_V2:
1350 TRACE("S-Compiland-V2 %s\n",
1351 terminate_string(&sym->compiland_v2.p_name));
1352 if (TRACE_ON(dbghelp_msc))
1353 {
1354 const char* ptr1 = sym->compiland_v2.p_name.name + sym->compiland_v2.p_name.namelen;
1355 const char* ptr2;
1356 while (*ptr1)
1357 {
1358 ptr2 = ptr1 + strlen(ptr1) + 1;
1359 TRACE("\t%s => %s\n", ptr1, ptr2);
1360 ptr1 = ptr2 + strlen(ptr2) + 1;
1361 }
1362 }
1363 break;
1364 case S_COMPILAND_V3:
1365 TRACE("S-Compiland-V3 %s\n", sym->compiland_v3.name);
1366 if (TRACE_ON(dbghelp_msc))
1367 {
1368 const char* ptr1 = sym->compiland_v3.name + strlen(sym->compiland_v3.name);
1369 const char* ptr2;
1370 while (*ptr1)
1371 {
1372 ptr2 = ptr1 + strlen(ptr1) + 1;
1373 TRACE("\t%s => %s\n", ptr1, ptr2);
1374 ptr1 = ptr2 + strlen(ptr2) + 1;
1375 }
1376 }
1377 break;
1378
1379 case S_OBJNAME_V1:
1380 TRACE("S-ObjName %.*s\n", ((const BYTE*)sym)[8], (const BYTE*)sym + 9);
1381 break;
1382
1383 case S_LABEL_V1:
1384 if (curr_func)
1385 {
1386 symt_add_function_point(msc_dbg->module, curr_func, SymTagLabel,
1387 codeview_get_address(msc_dbg, sym->label_v1.segment, sym->label_v1.offset) - curr_func->address,
1388 terminate_string(&sym->label_v1.p_name));
1389 }
1390 else
1391 FIXME("No current function for label %s\n",
1392 terminate_string(&sym->label_v1.p_name));
1393 break;
1394 case S_LABEL_V3:
1395 if (curr_func)
1396 {
1397 symt_add_function_point(msc_dbg->module, curr_func, SymTagLabel,
1398 codeview_get_address(msc_dbg, sym->label_v3.segment, sym->label_v3.offset) - curr_func->address,
1399 sym->label_v3.name);
1400 }
1401 else
1402 FIXME("No current function for label %s\n", sym->label_v3.name);
1403 break;
1404
1405 case S_CONSTANT_V1:
1406 {
1407 int val, vlen;
1408 const struct p_string* name;
1409 const char* x;
1410 struct symt* se;
1411
1412 vlen = numeric_leaf(&val, &sym->constant_v1.cvalue);
1413 name = (const struct p_string*)((const char*)&sym->constant_v1.cvalue + vlen);
1414 se = codeview_get_type(sym->constant_v1.type, FALSE);
1415 if (!se) x = "---";
1416 else if (se->tag == SymTagEnum) x = ((struct symt_enum*)se)->name;
1417 else x = "###";
1418
1419 TRACE("S-Constant-V1 %u %s %x (%s)\n",
1420 val, terminate_string(name), sym->constant_v1.type, x);
1421 /* FIXME: we should add this as a constant value */
1422 }
1423 break;
1424 case S_CONSTANT_V2:
1425 {
1426 int val, vlen;
1427 const struct p_string* name;
1428 const char* x;
1429 struct symt* se;
1430
1431 vlen = numeric_leaf(&val, &sym->constant_v2.cvalue);
1432 name = (const struct p_string*)((const char*)&sym->constant_v2.cvalue + vlen);
1433 se = codeview_get_type(sym->constant_v2.type, FALSE);
1434 if (!se) x = "---";
1435 else if (se->tag == SymTagEnum) x = ((struct symt_enum*)se)->name;
1436 else x = "###";
1437
1438 TRACE("S-Constant-V2 %u %s %x (%s)\n",
1439 val, terminate_string(name), sym->constant_v2.type, x);
1440 /* FIXME: we should add this as a constant value */
1441 }
1442 break;
1443 case S_CONSTANT_V3:
1444 {
1445 int val, vlen;
1446 const char* name;
1447 const char* x;
1448 struct symt* se;
1449
1450 vlen = numeric_leaf(&val, &sym->constant_v3.cvalue);
1451 name = (const char*)&sym->constant_v3.cvalue + vlen;
1452 se = codeview_get_type(sym->constant_v3.type, FALSE);
1453 if (!se) x = "---";
1454 else if (se->tag == SymTagEnum) x = ((struct symt_enum*)se)->name;
1455 else x = "###";
1456
1457 TRACE("S-Constant-V3 %u %s %x (%s)\n",
1458 val, name, sym->constant_v3.type, x);
1459 /* FIXME: we should add this as a constant value */
1460 }
1461 break;
1462
1463 case S_UDT_V1:
1464 if (sym->udt_v1.type)
1465 {
1466 if ((symt = codeview_get_type(sym->udt_v1.type, FALSE)))
1467 symt_new_typedef(msc_dbg->module, symt,
1468 terminate_string(&sym->udt_v1.p_name));
1469 else
1470 FIXME("S-Udt %s: couldn't find type 0x%x\n",
1471 terminate_string(&sym->udt_v1.p_name), sym->udt_v1.type);
1472 }
1473 break;
1474 case S_UDT_V2:
1475 if (sym->udt_v2.type)
1476 {
1477 if ((symt = codeview_get_type(sym->udt_v2.type, FALSE)))
1478 symt_new_typedef(msc_dbg->module, symt,
1479 terminate_string(&sym->udt_v2.p_name));
1480 else
1481 FIXME("S-Udt %s: couldn't find type 0x%x\n",
1482 terminate_string(&sym->udt_v2.p_name), sym->udt_v2.type);
1483 }
1484 break;
1485 case S_UDT_V3:
1486 if (sym->udt_v3.type)
1487 {
1488 if ((symt = codeview_get_type(sym->udt_v3.type, FALSE)))
1489 symt_new_typedef(msc_dbg->module, symt, sym->udt_v3.name);
1490 else
1491 FIXME("S-Udt %s: couldn't find type 0x%x\n",
1492 sym->udt_v3.name, sym->udt_v3.type);
1493 }
1494 break;
1495
1496 /*
1497 * These are special, in that they are always followed by an
1498 * additional length-prefixed string which is *not* included
1499 * into the symbol length count. We need to skip it.
1500 */
1501 case S_PROCREF_V1:
1502 case S_DATAREF_V1:
1503 case S_LPROCREF_V1:
1504 name = (const char*)sym + length;
1505 length += (*name + 1 + 3) & ~3;
1506 break;
1507
1508 case S_PUB_DATA_V3:
1509 if (!(dbghelp_options & SYMOPT_NO_PUBLICS))
1510 {
1511 flt = codeview_get_linetab(linetab, sym->data_v3.segment, sym->data_v3.offset);
1512 symt_new_public(msc_dbg->module,
1513 flt ? flt->compiland : NULL,
1514 sym->data_v3.name,
1515 codeview_get_address(msc_dbg, sym->data_v3.segment, sym->data_v3.offset),
1516 0, FALSE /* FIXME */, FALSE);
1517 }
1518 break;
1519 case S_PUB_FUNC1_V3:
1520 case S_PUB_FUNC2_V3: /* using a data_v3 isn't what we'd expect */
1521 if (!(dbghelp_options & SYMOPT_NO_PUBLICS))
1522 {
1523 flt = codeview_get_linetab(linetab, sym->data_v3.segment, sym->data_v3.offset);
1524 symt_new_public(msc_dbg->module,
1525 flt ? flt->compiland : NULL,
1526 sym->data_v3.name,
1527 codeview_get_address(msc_dbg, sym->data_v3.segment, sym->data_v3.offset),
1528 0, TRUE /* FIXME */, TRUE);
1529 }
1530 break;
1531
1532 case S_MSTOOL_V3: /* just to silence a few warnings */
1533 break;
1534
1535 default:
1536 FIXME("Unsupported symbol id %x\n", sym->generic.id);
1537 dump(sym, 2 + sym->generic.len);
1538 break;
1539 }
1540 }
1541
1542 if (curr_func) symt_normalize_function(msc_dbg->module, curr_func);
1543
1544 HeapFree(GetProcessHeap(), 0, linetab);
1545 return TRUE;
1546 }
1547
1548 /*========================================================================
1549 * Process PDB file.
1550 */
1551
1552 struct pdb_lookup
1553 {
1554 const char* filename;
1555 enum {PDB_JG, PDB_DS} kind;
1556 union
1557 {
1558 struct
1559 {
1560 DWORD timestamp;
1561 struct PDB_JG_TOC* toc;
1562 } jg;
1563 struct
1564 {
1565 GUID guid;
1566 struct PDB_DS_TOC* toc;
1567 } ds;
1568 } u;
1569 };
1570
1571 static void* pdb_jg_read(const struct PDB_JG_HEADER* pdb, const WORD* block_list,
1572 int size)
1573 {
1574 int i, num_blocks;
1575 BYTE* buffer;
1576
1577 if (!size) return NULL;
1578
1579 num_blocks = (size + pdb->block_size - 1) / pdb->block_size;
1580 buffer = HeapAlloc(GetProcessHeap(), 0, num_blocks * pdb->block_size);
1581
1582 for (i = 0; i < num_blocks; i++)
1583 memcpy(buffer + i * pdb->block_size,
1584 (const char*)pdb + block_list[i] * pdb->block_size, pdb->block_size);
1585
1586 return buffer;
1587 }
1588
1589 static void* pdb_ds_read(const struct PDB_DS_HEADER* pdb, const DWORD* block_list,
1590 int size)
1591 {
1592 int i, num_blocks;
1593 BYTE* buffer;
1594
1595 if (!size) return NULL;
1596
1597 num_blocks = (size + pdb->block_size - 1) / pdb->block_size;
1598 buffer = HeapAlloc(GetProcessHeap(), 0, num_blocks * pdb->block_size);
1599
1600 for (i = 0; i < num_blocks; i++)
1601 memcpy(buffer + i * pdb->block_size,
1602 (const char*)pdb + block_list[i] * pdb->block_size, pdb->block_size);
1603
1604 return buffer;
1605 }
1606
1607 static void* pdb_read_jg_file(const struct PDB_JG_HEADER* pdb,
1608 const struct PDB_JG_TOC* toc, DWORD file_nr)
1609 {
1610 const WORD* block_list;
1611 DWORD i;
1612
1613 if (!toc || file_nr >= toc->num_files) return NULL;
1614
1615 block_list = (const WORD*) &toc->file[toc->num_files];
1616 for (i = 0; i < file_nr; i++)
1617 block_list += (toc->file[i].size + pdb->block_size - 1) / pdb->block_size;
1618
1619 return pdb_jg_read(pdb, block_list, toc->file[file_nr].size);
1620 }
1621
1622 static void* pdb_read_ds_file(const struct PDB_DS_HEADER* pdb,
1623 const struct PDB_DS_TOC* toc, DWORD file_nr)
1624 {
1625 const DWORD* block_list;
1626 DWORD i;
1627
1628 if (!toc || file_nr >= toc->num_files) return NULL;
1629
1630 if (toc->file_size[file_nr] == 0 || toc->file_size[file_nr] == 0xFFFFFFFF)
1631 {
1632 FIXME(">>> requesting NULL stream (%lu)\n", file_nr);
1633 return NULL;
1634 }
1635 block_list = &toc->file_size[toc->num_files];
1636 for (i = 0; i < file_nr; i++)
1637 block_list += (toc->file_size[i] + pdb->block_size - 1) / pdb->block_size;
1638
1639 return pdb_ds_read(pdb, block_list, toc->file_size[file_nr]);
1640 }
1641
1642 static void* pdb_read_file(const BYTE* image, const struct pdb_lookup* pdb_lookup,
1643 DWORD file_nr)
1644 {
1645 switch (pdb_lookup->kind)
1646 {
1647 case PDB_JG:
1648 return pdb_read_jg_file((const struct PDB_JG_HEADER*)image,
1649 pdb_lookup->u.jg.toc, file_nr);
1650 case PDB_DS:
1651 return pdb_read_ds_file((const struct PDB_DS_HEADER*)image,
1652 pdb_lookup->u.ds.toc, file_nr);
1653 }
1654 return NULL;
1655 }
1656
1657 static unsigned pdb_get_file_size(const struct pdb_lookup* pdb_lookup, DWORD file_nr)
1658 {
1659 switch (pdb_lookup->kind)
1660 {
1661 case PDB_JG: return pdb_lookup->u.jg.toc->file[file_nr].size;
1662 case PDB_DS: return pdb_lookup->u.ds.toc->file_size[file_nr];
1663 }
1664 return 0;
1665 }
1666
1667 static void pdb_free(void* buffer)
1668 {
1669 HeapFree(GetProcessHeap(), 0, buffer);
1670 }
1671
1672 static void pdb_free_lookup(const struct pdb_lookup* pdb_lookup)
1673 {
1674 switch (pdb_lookup->kind)
1675 {
1676 case PDB_JG:
1677 if (pdb_lookup->u.jg.toc) pdb_free(pdb_lookup->u.jg.toc);
1678 break;
1679 case PDB_DS:
1680 if (pdb_lookup->u.ds.toc) pdb_free(pdb_lookup->u.ds.toc);
1681 break;
1682 }
1683 }
1684
1685 static void pdb_convert_types_header(PDB_TYPES* types, const BYTE* image)
1686 {
1687 memset(types, 0, sizeof(PDB_TYPES));
1688 if (!image) return;
1689
1690 if (*(const DWORD*)image < 19960000) /* FIXME: correct version? */
1691 {
1692 /* Old version of the types record header */
1693 const PDB_TYPES_OLD* old = (const PDB_TYPES_OLD*)image;
1694 types->version = old->version;
1695 types->type_offset = sizeof(PDB_TYPES_OLD);
1696 types->type_size = old->type_size;
1697 types->first_index = old->first_index;
1698 types->last_index = old->last_index;
1699 types->file = old->file;
1700 }
1701 else
1702 {
1703 /* New version of the types record header */
1704 *types = *(const PDB_TYPES*)image;
1705 }
1706 }
1707
1708 static void pdb_convert_symbols_header(PDB_SYMBOLS* symbols,
1709 int* header_size, const BYTE* image)
1710 {
1711 memset(symbols, 0, sizeof(PDB_SYMBOLS));
1712 if (!image) return;
1713
1714 if (*(const DWORD*)image != 0xffffffff)
1715 {
1716 /* Old version of the symbols record header */
1717 const PDB_SYMBOLS_OLD* old = (const PDB_SYMBOLS_OLD*)image;
1718 symbols->version = 0;
1719 symbols->module_size = old->module_size;
1720 symbols->offset_size = old->offset_size;
1721 symbols->hash_size = old->hash_size;
1722 symbols->srcmodule_size = old->srcmodule_size;
1723 symbols->pdbimport_size = 0;
1724 symbols->hash1_file = old->hash1_file;
1725 symbols->hash2_file = old->hash2_file;
1726 symbols->gsym_file = old->gsym_file;
1727
1728 *header_size = sizeof(PDB_SYMBOLS_OLD);
1729 }
1730 else
1731 {
1732 /* New version of the symbols record header */
1733 *symbols = *(const PDB_SYMBOLS*)image;
1734 *header_size = sizeof(PDB_SYMBOLS);
1735 }
1736 }
1737
1738 static void pdb_convert_symbol_file(const PDB_SYMBOLS* symbols,
1739 PDB_SYMBOL_FILE_EX* sfile,
1740 unsigned* size, const void* image)
1741
1742 {
1743 if (symbols->version < 19970000)
1744 {
1745 const PDB_SYMBOL_FILE *sym_file = (const PDB_SYMBOL_FILE*)image;
1746 memset(sfile, 0, sizeof(*sfile));
1747 sfile->file = sym_file->file;
1748 sfile->range.index = sym_file->range.index;
1749 sfile->symbol_size = sym_file->symbol_size;
1750 sfile->lineno_size = sym_file->lineno_size;
1751 *size = sizeof(PDB_SYMBOL_FILE) - 1;
1752 }
1753 else
1754 {
1755 memcpy(sfile, image, sizeof(PDB_SYMBOL_FILE_EX));
1756 *size = sizeof(PDB_SYMBOL_FILE_EX) - 1;
1757 }
1758 }
1759
1760 static BOOL CALLBACK pdb_match(char* file, void* user)
1761 {
1762 /* accept first file */
1763 return FALSE;
1764 }
1765
1766 static HANDLE open_pdb_file(const struct process* pcs, const char* filename)
1767 {
1768 HANDLE h;
1769 char dbg_file_path[MAX_PATH];
1770
1771 h = CreateFileA(filename, GENERIC_READ, FILE_SHARE_READ, NULL,
1772 OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
1773 /* FIXME: should give more bits on the file to look at */
1774 if (h == INVALID_HANDLE_VALUE &&
1775 SymFindFileInPath(pcs->handle, NULL, (char*)filename, NULL, 0, 0, 0,
1776 dbg_file_path, pdb_match, NULL))
1777 {
1778 h = CreateFileA(dbg_file_path, GENERIC_READ, FILE_SHARE_READ, NULL,
1779 OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
1780 }
1781 return (h == INVALID_HANDLE_VALUE) ? NULL : h;
1782 }
1783
1784 static void pdb_process_types(const struct msc_debug_info* msc_dbg,
1785 const char* image, struct pdb_lookup* pdb_lookup)
1786 {
1787 char* types_image = NULL;
1788
1789 types_image = pdb_read_file(image, pdb_lookup, 2);
1790 if (types_image)
1791 {
1792 PDB_TYPES types;
1793 pdb_convert_types_header(&types, types_image);
1794
1795 /* Check for unknown versions */
1796 switch (types.version)
1797 {
1798 case 19950410: /* VC 4.0 */
1799 case 19951122:
1800 case 19961031: /* VC 5.0 / 6.0 */
1801 case 19990903:
1802 break;
1803 default:
1804 ERR("-Unknown type info version %ld\n", types.version);
1805 }
1806
1807 /* Read type table */
1808 codeview_parse_type_table(msc_dbg->module, types_image + types.type_offset,
1809 types.type_size);
1810 pdb_free(types_image);
1811 }
1812 }
1813
1814 static const char PDB_JG_IDENT[] = "Microsoft C/C++ program database 2.00\r\n\032JG\0";
1815 static const char PDB_DS_IDENT[] = "Microsoft C/C++ MSF 7.00\r\n\032DS\0";
1816
1817 static BOOL pdb_init(struct pdb_lookup* pdb_lookup, const char* image)
1818 {
1819 /* check the file header, and if ok, load the TOC */
1820 TRACE("PDB(%s): %.40s\n", pdb_lookup->filename, debugstr_an(image, 40));
1821 switch (pdb_lookup->kind)
1822 {
1823 case PDB_JG:
1824 pdb_lookup->u.jg.toc = NULL;
1825 if (memcmp(image, PDB_JG_IDENT, sizeof(PDB_JG_IDENT)))
1826 {
1827 FIXME("Couldn't match JG header\n");
1828 return FALSE;
1829 }
1830 else
1831 {
1832 const struct PDB_JG_HEADER* pdb = (const struct PDB_JG_HEADER*)image;
1833 struct PDB_JG_ROOT* root;
1834
1835 pdb_lookup->u.jg.toc = pdb_jg_read(pdb, pdb->toc_block, pdb->toc.size);
1836 root = pdb_read_jg_file(pdb, pdb_lookup->u.jg.toc, 1);
1837 if (!root)
1838 {
1839 ERR("-Unable to get root from .PDB in %s\n", pdb_lookup->filename);
1840 return FALSE;
1841 }
1842 switch (root->Version)
1843 {
1844 case 19950623: /* VC 4.0 */
1845 case 19950814:
1846 case 19960307: /* VC 5.0 */
1847 case 19970604: /* VC 6.0 */
1848 break;
1849 default:
1850 ERR("-Unknown root block version %ld\n", root->Version);
1851 }
1852 /* Check .PDB time stamp */
1853 if (root->TimeDateStamp != pdb_lookup->u.jg.timestamp)
1854 {
1855 ERR("-Wrong time stamp of .PDB file %s (0x%08lx, 0x%08lx)\n",
1856 pdb_lookup->filename, root->TimeDateStamp,
1857 pdb_lookup->u.jg.timestamp);
1858 }
1859 pdb_free(root);
1860 }
1861 break;
1862 case PDB_DS:
1863 pdb_lookup->u.ds.toc = NULL;
1864 if (memcmp(image, PDB_DS_IDENT, sizeof(PDB_DS_IDENT)))
1865 {
1866 FIXME("Couldn't match DS header\n");
1867 return FALSE;
1868 }
1869 else
1870 {
1871 const struct PDB_DS_HEADER* pdb = (const struct PDB_DS_HEADER*)image;
1872 struct PDB_DS_ROOT* root;
1873
1874 pdb_lookup->u.ds.toc =
1875 pdb_ds_read(pdb,
1876 (const DWORD*)((const char*)pdb + pdb->toc_page * pdb->block_size),
1877 pdb->toc_size);
1878 root = pdb_read_ds_file(pdb, pdb_lookup->u.ds.toc, 1);
1879 if (!root)
1880 {
1881 ERR("-Unable to get root from .PDB in %s\n", pdb_lookup->filename);
1882 return FALSE;
1883 }
1884 switch (root->Version)
1885 {
1886 case 20000404:
1887 break;
1888 default:
1889 ERR("-Unknown root block version %ld\n", root->Version);
1890 }
1891 /* Check .PDB time stamp */
1892 if (memcmp(&root->guid, &pdb_lookup->u.ds.guid, sizeof(GUID)))
1893 {
1894 ERR("-Wrong GUID of .PDB file %s (%s, %s)\n",
1895 pdb_lookup->filename,
1896 wine_dbgstr_guid(&root->guid),
1897 wine_dbgstr_guid(&pdb_lookup->u.ds.guid));
1898 }
1899 pdb_free(root);
1900 }
1901 break;
1902 }
1903
1904 if (0) /* some tool to dump the internal files from a PDB file */
1905 {
1906 int i, num_files;
1907
1908 switch (pdb_lookup->kind)
1909 {
1910 case PDB_JG: num_files = pdb_lookup->u.jg.toc->num_files; break;
1911 case PDB_DS: num_files = pdb_lookup->u.ds.toc->num_files; break;
1912 }
1913
1914 for (i = 1; i < num_files; i++)
1915 {
1916 unsigned char* x = pdb_read_file(image, pdb_lookup, i);
1917 FIXME("********************** [%u]: size=%08x\n",
1918 i, pdb_get_file_size(pdb_lookup, i));
1919 dump(x, pdb_get_file_size(pdb_lookup, i));
1920 pdb_free(x);
1921 }
1922 }
1923 return TRUE;
1924 }
1925
1926 static BOOL pdb_process_internal(const struct process* pcs,
1927 const struct msc_debug_info* msc_dbg,
1928 struct pdb_lookup* pdb_lookup,
1929 unsigned module_index);
1930
1931 static void pdb_process_symbol_imports(const struct process* pcs,
1932 const struct msc_debug_info* msc_dbg,
1933 PDB_SYMBOLS* symbols,
1934 const void* symbols_image,
1935 char* image, struct pdb_lookup* pdb_lookup,
1936 unsigned module_index)
1937 {
1938 if (module_index == -1 && symbols && symbols->pdbimport_size)
1939 {
1940 const PDB_SYMBOL_IMPORT*imp;
1941 const void* first;
1942 const void* last;
1943 const char* ptr;
1944 int i = 0;
1945
1946 imp = (const PDB_SYMBOL_IMPORT*)((const char*)symbols_image + sizeof(PDB_SYMBOLS) +
1947 symbols->module_size + symbols->offset_size +
1948 symbols->hash_size + symbols->srcmodule_size);
1949 first = (const char*)imp;
1950 last = (const char*)imp + symbols->pdbimport_size;
1951 while (imp < (const PDB_SYMBOL_IMPORT*)last)
1952 {
1953 ptr = (const char*)imp + sizeof(*imp) + strlen(imp->filename);
1954 if (i >= CV_MAX_MODULES) FIXME("Out of bounds !!!\n");
1955 if (!strcasecmp(pdb_lookup->filename, imp->filename))
1956 {
1957 if (module_index != -1) FIXME("Twice the entry\n");
1958 else module_index = i;
1959 }
1960 else
1961 {
1962 struct pdb_lookup imp_pdb_lookup;
1963
1964 imp_pdb_lookup.filename = imp->filename;
1965 imp_pdb_lookup.kind = PDB_JG;
1966 imp_pdb_lookup.u.jg.timestamp = imp->TimeDateStamp;
1967 pdb_process_internal(pcs, msc_dbg, &imp_pdb_lookup, i);
1968 }
1969 i++;
1970 imp = (const PDB_SYMBOL_IMPORT*)((const char*)first + ((ptr - (const char*)first + strlen(ptr) + 1 + 3) & ~3));
1971 }
1972 }
1973 cv_current_module = &cv_zmodules[(module_index == -1) ? 0 : module_index];
1974 if (cv_current_module->allowed) FIXME("Already allowed ??\n");
1975 cv_current_module->allowed = TRUE;
1976 pdb_process_types(msc_dbg, image, pdb_lookup);
1977 }
1978
1979 static BOOL pdb_process_internal(const struct process* pcs,
1980 const struct msc_debug_info* msc_dbg,
1981 struct pdb_lookup* pdb_lookup,
1982 unsigned module_index)
1983 {
1984 BOOL ret = FALSE;
1985 HANDLE hFile, hMap = NULL;
1986 char* image = NULL;
1987 char* symbols_image = NULL;
1988
1989 TRACE("Processing PDB file %s\n", pdb_lookup->filename);
1990
1991 /* Open and map() .PDB file */
1992 if ((hFile = open_pdb_file(pcs, pdb_lookup->filename)) == NULL ||
1993 ((hMap = CreateFileMappingA(hFile, NULL, PAGE_READONLY, 0, 0, NULL)) == NULL) ||
1994 ((image = MapViewOfFile(hMap, FILE_MAP_READ, 0, 0, 0)) == NULL))
1995 {
1996 WARN("Unable to open .PDB file: %s\n", pdb_lookup->filename);
1997 goto leave;
1998 }
1999 pdb_init(pdb_lookup, image);
2000
2001 symbols_image = pdb_read_file(image, pdb_lookup, 3);
2002 if (symbols_image)
2003 {
2004 PDB_SYMBOLS symbols;
2005 char* modimage;
2006 char* file;
2007 int header_size = 0;
2008
2009 pdb_convert_symbols_header(&symbols, &header_size, symbols_image);
2010 switch (symbols.version)
2011 {
2012 case 0: /* VC 4.0 */
2013 case 19960307: /* VC 5.0 */
2014 case 19970606: /* VC 6.0 */
2015 case 19990903:
2016 break;
2017 default:
2018 ERR("-Unknown symbol info version %ld %08lx\n",
2019 symbols.version, symbols.version);
2020 }
2021
2022 pdb_process_symbol_imports(pcs, msc_dbg, &symbols, symbols_image, image, pdb_lookup, module_index);
2023
2024 /* Read global symbol table */
2025 modimage = pdb_read_file(image, pdb_lookup, symbols.gsym_file);
2026 if (modimage)
2027 {
2028 codeview_snarf(msc_dbg, modimage, 0,
2029 pdb_get_file_size(pdb_lookup, symbols.gsym_file), NULL);
2030
2031 pdb_free(modimage);
2032 }
2033
2034 /* Read per-module symbol / linenumber tables */
2035 file = symbols_image + header_size;
2036 while (file - symbols_image < header_size + symbols.module_size)
2037 {
2038 PDB_SYMBOL_FILE_EX sfile;
2039 const char* file_name;
2040 unsigned size;
2041
2042 HeapValidate(GetProcessHeap(), 0, NULL);
2043 pdb_convert_symbol_file(&symbols, &sfile, &size, file);
2044
2045 modimage = pdb_read_file(image, pdb_lookup, sfile.file);
2046 if (modimage)
2047 {
2048 struct codeview_linetab* linetab = NULL;
2049
2050 if (sfile.lineno_size)
2051 linetab = codeview_snarf_linetab(msc_dbg->module,
2052 modimage + sfile.symbol_size,
2053 sfile.lineno_size,
2054 pdb_lookup->kind == PDB_JG);
2055
2056 if (sfile.symbol_size)
2057 codeview_snarf(msc_dbg, modimage, sizeof(DWORD),
2058 sfile.symbol_size, linetab);
2059
2060 pdb_free(modimage);
2061 }
2062 file_name = (const char*)file + size;
2063 file_name += strlen(file_name) + 1;
2064 file = (char*)((DWORD)(file_name + strlen(file_name) + 1 + 3) & ~3);
2065 }
2066 }
2067 else
2068 pdb_process_symbol_imports(pcs, msc_dbg, NULL, NULL, image, pdb_lookup,
2069 module_index);
2070 msc_dbg->module->module.SymType = SymCv;
2071 ret = TRUE;
2072
2073 leave:
2074 /* Cleanup */
2075 if (symbols_image) pdb_free(symbols_image);
2076 pdb_free_lookup(pdb_lookup);
2077
2078 if (image) UnmapViewOfFile(image);
2079 if (hMap) CloseHandle(hMap);
2080 if (hFile) CloseHandle(hFile);
2081
2082 return ret;
2083 }
2084
2085 static BOOL pdb_process_file(const struct process* pcs,
2086 const struct msc_debug_info* msc_dbg,
2087 struct pdb_lookup* pdb_lookup)
2088 {
2089 BOOL ret;
2090
2091 memset(cv_zmodules, 0, sizeof(cv_zmodules));
2092 codeview_init_basic_types(msc_dbg->module);
2093 ret = pdb_process_internal(pcs, msc_dbg, pdb_lookup, -1);
2094 codeview_clear_type_table();
2095 return ret;
2096 }
2097
2098 /*========================================================================
2099 * Process CodeView debug information.
2100 */
2101
2102 #define MAKESIG(a,b,c,d) ((a) | ((b) << 8) | ((c) << 16) | ((d) << 24))
2103 #define CODEVIEW_NB09_SIG MAKESIG('N','B','0','9')
2104 #define CODEVIEW_NB10_SIG MAKESIG('N','B','1','0')
2105 #define CODEVIEW_NB11_SIG MAKESIG('N','B','1','1')
2106 #define CODEVIEW_RSDS_SIG MAKESIG('R','S','D','S')
2107
2108 typedef struct _CODEVIEW_HEADER_NBxx
2109 {
2110 DWORD dwSignature;
2111 DWORD lfoDirectory;
2112 } CODEVIEW_HEADER_NBxx,* PCODEVIEW_HEADER_NBxx;
2113
2114 typedef struct _CODEVIEW_HEADER_RSDS
2115 {
2116 DWORD dwSignature;
2117 GUID guid;
2118 DWORD unknown;
2119 CHAR name[1];
2120 } CODEVIEW_HEADER_RSDS,* PCODEVIEW_HEADER_RSDS;
2121
2122 typedef struct _CODEVIEW_PDB_DATA
2123 {
2124 DWORD timestamp;
2125 DWORD unknown;
2126 CHAR name[1];
2127 } CODEVIEW_PDB_DATA, *PCODEVIEW_PDB_DATA;
2128
2129 typedef struct _CV_DIRECTORY_HEADER
2130 {
2131 WORD cbDirHeader;
2132 WORD cbDirEntry;
2133 DWORD cDir;
2134 DWORD lfoNextDir;
2135 DWORD flags;
2136 } CV_DIRECTORY_HEADER, *PCV_DIRECTORY_HEADER;
2137
2138 typedef struct _CV_DIRECTORY_ENTRY
2139 {
2140 WORD subsection;
2141 WORD iMod;
2142 DWORD lfo;
2143 DWORD cb;
2144 } CV_DIRECTORY_ENTRY, *PCV_DIRECTORY_ENTRY;
2145
2146 #define sstAlignSym 0x125
2147 #define sstSrcModule 0x127
2148
2149 static BOOL codeview_process_info(const struct process* pcs,
2150 const struct msc_debug_info* msc_dbg)
2151 {
2152 const CODEVIEW_HEADER_NBxx* cv = (const CODEVIEW_HEADER_NBxx*)msc_dbg->root;
2153 BOOL ret = FALSE;
2154 struct pdb_lookup pdb_lookup;
2155
2156 TRACE("Processing signature %.4s\n", (const char*)&cv->dwSignature);
2157
2158 switch (cv->dwSignature)
2159 {
2160 case CODEVIEW_NB09_SIG:
2161 case CODEVIEW_NB11_SIG:
2162 {
2163 const CV_DIRECTORY_HEADER* hdr = (const CV_DIRECTORY_HEADER*)(msc_dbg->root + cv->lfoDirectory);
2164 const CV_DIRECTORY_ENTRY* ent;
2165 const CV_DIRECTORY_ENTRY* prev;
2166 const CV_DIRECTORY_ENTRY* next;
2167 unsigned int i;
2168
2169 codeview_init_basic_types(msc_dbg->module);
2170 ent = (const CV_DIRECTORY_ENTRY*)((const BYTE*)hdr + hdr->cbDirHeader);
2171 for (i = 0; i < hdr->cDir; i++, ent = next)
2172 {
2173 next = (i == hdr->cDir-1)? NULL :
2174 (const CV_DIRECTORY_ENTRY*)((const BYTE*)ent + hdr->cbDirEntry);
2175 prev = (i == 0)? NULL :
2176 (const CV_DIRECTORY_ENTRY*)((const BYTE*)ent - hdr->cbDirEntry);
2177
2178 if (ent->subsection == sstAlignSym)
2179 {
2180 /*
2181 * Check the next and previous entry. If either is a
2182 * sstSrcModule, it contains the line number info for
2183 * this file.
2184 *
2185 * FIXME: This is not a general solution!
2186 */
2187 struct codeview_linetab* linetab = NULL;
2188
2189 if (next && next->iMod == ent->iMod &&
2190 next->subsection == sstSrcModule)
2191 linetab = codeview_snarf_linetab(msc_dbg->module,
2192 msc_dbg->root + next->lfo, next->cb,
2193 TRUE);
2194
2195 if (prev && prev->iMod == ent->iMod &&
2196 prev->subsection == sstSrcModule)
2197 linetab = codeview_snarf_linetab(msc_dbg->module,
2198 msc_dbg->root + prev->lfo, prev->cb,
2199 TRUE);
2200
2201 codeview_snarf(msc_dbg, msc_dbg->root + ent->lfo, sizeof(DWORD),
2202 ent->cb, linetab);
2203 }
2204 }
2205
2206 msc_dbg->module->module.SymType = SymCv;
2207 ret = TRUE;
2208 break;
2209 }
2210
2211 case CODEVIEW_NB10_SIG:
2212 {
2213 const CODEVIEW_PDB_DATA* pdb = (const CODEVIEW_PDB_DATA*)(cv + 1);
2214 pdb_lookup.filename = pdb->name;
2215 pdb_lookup.kind = PDB_JG;
2216 pdb_lookup.u.jg.timestamp = pdb->timestamp;
2217 ret = pdb_process_file(pcs, msc_dbg, &pdb_lookup);
2218 break;
2219 }
2220 case CODEVIEW_RSDS_SIG:
2221 {
2222 const CODEVIEW_HEADER_RSDS* rsds = (const CODEVIEW_HEADER_RSDS*)msc_dbg->root;
2223
2224 TRACE("Got RSDS type of PDB file: guid=%s unk=%08lx name=%s\n",
2225 wine_dbgstr_guid(&rsds->guid), rsds->unknown, rsds->name);
2226 pdb_lookup.filename = rsds->name;
2227 pdb_lookup.kind = PDB_DS;
2228 pdb_lookup.u.ds.guid = rsds->guid;
2229 ret = pdb_process_file(pcs, msc_dbg, &pdb_lookup);
2230 break;
2231 }
2232 default:
2233 ERR("Unknown CODEVIEW signature %08lX in module %s\n",
2234 cv->dwSignature, msc_dbg->module->module.ModuleName);
2235 break;
2236 }
2237
2238 return ret;
2239 }
2240
2241 /*========================================================================
2242 * Process debug directory.
2243 */
2244 BOOL pe_load_debug_directory(const struct process* pcs, struct module* module,
2245 const BYTE* mapping,
2246 const IMAGE_SECTION_HEADER* sectp, DWORD nsect,
2247 const IMAGE_DEBUG_DIRECTORY* dbg, int nDbg)
2248 {
2249 BOOL ret;
2250 int i;
2251 struct msc_debug_info msc_dbg;
2252
2253 msc_dbg.module = module;
2254 msc_dbg.nsect = nsect;
2255 msc_dbg.sectp = sectp;
2256 msc_dbg.nomap = 0;
2257 msc_dbg.omapp = NULL;
2258
2259 __TRY
2260 {
2261 ret = FALSE;
2262
2263 /* First, watch out for OMAP data */
2264 for (i = 0; i < nDbg; i++)
2265 {
2266 if (dbg[i].Type == IMAGE_DEBUG_TYPE_OMAP_FROM_SRC)
2267 {
2268 msc_dbg.nomap = dbg[i].SizeOfData / sizeof(OMAP_DATA);
2269 msc_dbg.omapp = (const OMAP_DATA*)(mapping + dbg[i].PointerToRawData);
2270 break;
2271 }
2272 }
2273
2274 /* Now, try to parse CodeView debug info */
2275 for (i = 0; i < nDbg; i++)
2276 {
2277 if (dbg[i].Type == IMAGE_DEBUG_TYPE_CODEVIEW)
2278 {
2279 msc_dbg.root = mapping + dbg[i].PointerToRawData;
2280 if ((ret = codeview_process_info(pcs, &msc_dbg))) goto done;
2281 }
2282 }
2283
2284 /* If not found, try to parse COFF debug info */
2285 for (i = 0; i < nDbg; i++)
2286 {
2287 if (dbg[i].Type == IMAGE_DEBUG_TYPE_COFF)
2288 {
2289 msc_dbg.root = mapping + dbg[i].PointerToRawData;
2290 if ((ret = coff_process_info(&msc_dbg))) goto done;
2291 }
2292 }
2293 done:
2294 /* FIXME: this should be supported... this is the debug information for
2295 * functions compiled without a frame pointer (FPO = frame pointer omission)
2296 * the associated data helps finding out the relevant information
2297 */
2298 for (i = 0; i < nDbg; i++)
2299 if (dbg[i].Type == IMAGE_DEBUG_TYPE_FPO)
2300 FIXME("This guy has FPO information\n");
2301 #if 0
2302
2303 #define FRAME_FPO 0
2304 #define FRAME_TRAP 1
2305 #define FRAME_TSS 2
2306
2307 typedef struct _FPO_DATA
2308 {
2309 DWORD ulOffStart; /* offset 1st byte of function code */
2310 DWORD cbProcSize; /* # bytes in function */
2311 DWORD cdwLocals; /* # bytes in locals/4 */
2312 WORD cdwParams; /* # bytes in params/4 */
2313
2314 WORD cbProlog : 8; /* # bytes in prolog */
2315 WORD cbRegs : 3; /* # regs saved */
2316 WORD fHasSEH : 1; /* TRUE if SEH in func */
2317 WORD fUseBP : 1; /* TRUE if EBP has been allocated */
2318 WORD reserved : 1; /* reserved for future use */
2319 WORD cbFrame : 2; /* frame type */
2320 } FPO_DATA;
2321 #endif
2322
2323 }
2324 __EXCEPT(page_fault)
2325 {
2326 ERR("Got a page fault while loading symbols\n");
2327 ret = FALSE;
2328 }
2329 __ENDTRY
2330 return ret;
2331 }