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dbghelp,winedump: Added support for 0x113d symbol.
[wine/hacks.git] / dlls / dbghelp / msc.c
blob1ab322f2d821ded4e7c06ebf720c15e4da7f75c1
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 #define NONAMELESSUNION
36
37 #include "config.h"
38 #include "wine/port.h"
39
40 #include <assert.h>
41 #include <stdio.h>
42 #include <stdlib.h>
43
44 #include <string.h>
45 #ifdef HAVE_UNISTD_H
46 # include <unistd.h>
47 #endif
48 #ifndef PATH_MAX
49 #define PATH_MAX MAX_PATH
50 #endif
51 #include <stdarg.h>
52 #include "windef.h"
53 #include "winbase.h"
54 #include "winternl.h"
55
56 #include "wine/exception.h"
57 #include "wine/debug.h"
58 #include "dbghelp_private.h"
59 #include "wine/mscvpdb.h"
60
61 WINE_DEFAULT_DEBUG_CHANNEL(dbghelp_msc);
62
63 #define MAX_PATHNAME_LEN 1024
64
65 /*========================================================================
66 * Debug file access helper routines
67 */
68
69 static void dump(const void* ptr, unsigned len)
70 {
71 unsigned 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_BOOL08] = &symt_new_basic(module, btBool, "BOOL08", 1)->symt;
131 cv_basic_types[T_BOOL16] = &symt_new_basic(module, btBool, "BOOL16", 2)->symt;
132 cv_basic_types[T_BOOL32] = &symt_new_basic(module, btBool, "BOOL32", 4)->symt;
133 cv_basic_types[T_BOOL64] = &symt_new_basic(module, btBool, "BOOL64", 8)->symt;
134 cv_basic_types[T_REAL32] = &symt_new_basic(module, btFloat, "float", 4)->symt;
135 cv_basic_types[T_REAL64] = &symt_new_basic(module, btFloat, "double", 8)->symt;
136 cv_basic_types[T_RCHAR] = &symt_new_basic(module, btInt, "signed char", 1)->symt;
137 cv_basic_types[T_WCHAR] = &symt_new_basic(module, btWChar, "wchar_t", 2)->symt;
138 cv_basic_types[T_INT2] = &symt_new_basic(module, btInt, "INT2", 2)->symt;
139 cv_basic_types[T_UINT2] = &symt_new_basic(module, btUInt, "UINT2", 2)->symt;
140 cv_basic_types[T_INT4] = &symt_new_basic(module, btInt, "INT4", 4)->symt;
141 cv_basic_types[T_UINT4] = &symt_new_basic(module, btUInt, "UINT4", 4)->symt;
142 cv_basic_types[T_INT8] = &symt_new_basic(module, btInt, "INT8", 8)->symt;
143 cv_basic_types[T_UINT8] = &symt_new_basic(module, btUInt, "UINT8", 8)->symt;
144 cv_basic_types[T_HRESULT]= &symt_new_basic(module, btUInt, "HRESULT", 4)->symt;
145
146 cv_basic_types[T_32PVOID] = &symt_new_pointer(module, cv_basic_types[T_VOID])->symt;
147 cv_basic_types[T_32PCHAR] = &symt_new_pointer(module, cv_basic_types[T_CHAR])->symt;
148 cv_basic_types[T_32PSHORT] = &symt_new_pointer(module, cv_basic_types[T_SHORT])->symt;
149 cv_basic_types[T_32PLONG] = &symt_new_pointer(module, cv_basic_types[T_LONG])->symt;
150 cv_basic_types[T_32PQUAD] = &symt_new_pointer(module, cv_basic_types[T_QUAD])->symt;
151 cv_basic_types[T_32PUCHAR] = &symt_new_pointer(module, cv_basic_types[T_UCHAR])->symt;
152 cv_basic_types[T_32PUSHORT] = &symt_new_pointer(module, cv_basic_types[T_USHORT])->symt;
153 cv_basic_types[T_32PULONG] = &symt_new_pointer(module, cv_basic_types[T_ULONG])->symt;
154 cv_basic_types[T_32PUQUAD] = &symt_new_pointer(module, cv_basic_types[T_UQUAD])->symt;
155 cv_basic_types[T_32PBOOL08] = &symt_new_pointer(module, cv_basic_types[T_BOOL08])->symt;
156 cv_basic_types[T_32PBOOL16] = &symt_new_pointer(module, cv_basic_types[T_BOOL16])->symt;
157 cv_basic_types[T_32PBOOL32] = &symt_new_pointer(module, cv_basic_types[T_BOOL32])->symt;
158 cv_basic_types[T_32PBOOL64] = &symt_new_pointer(module, cv_basic_types[T_BOOL64])->symt;
159 cv_basic_types[T_32PREAL32] = &symt_new_pointer(module, cv_basic_types[T_REAL32])->symt;
160 cv_basic_types[T_32PREAL64] = &symt_new_pointer(module, cv_basic_types[T_REAL64])->symt;
161 cv_basic_types[T_32PRCHAR] = &symt_new_pointer(module, cv_basic_types[T_RCHAR])->symt;
162 cv_basic_types[T_32PWCHAR] = &symt_new_pointer(module, cv_basic_types[T_WCHAR])->symt;
163 cv_basic_types[T_32PINT2] = &symt_new_pointer(module, cv_basic_types[T_INT2])->symt;
164 cv_basic_types[T_32PUINT2] = &symt_new_pointer(module, cv_basic_types[T_UINT2])->symt;
165 cv_basic_types[T_32PINT4] = &symt_new_pointer(module, cv_basic_types[T_INT4])->symt;
166 cv_basic_types[T_32PUINT4] = &symt_new_pointer(module, cv_basic_types[T_UINT4])->symt;
167 cv_basic_types[T_32PINT8] = &symt_new_pointer(module, cv_basic_types[T_INT8])->symt;
168 cv_basic_types[T_32PUINT8] = &symt_new_pointer(module, cv_basic_types[T_UINT8])->symt;
169 cv_basic_types[T_32PHRESULT]= &symt_new_pointer(module, cv_basic_types[T_HRESULT])->symt;
170 }
171
172 static int numeric_leaf(int* value, const unsigned short int* leaf)
173 {
174 unsigned short int type = *leaf++;
175 int length = 2;
176
177 if (type < LF_NUMERIC)
178 {
179 *value = type;
180 }
181 else
182 {
183 switch (type)
184 {
185 case LF_CHAR:
186 length += 1;
187 *value = *(const char*)leaf;
188 break;
189
190 case LF_SHORT:
191 length += 2;
192 *value = *(const short*)leaf;
193 break;
194
195 case LF_USHORT:
196 length += 2;
197 *value = *leaf;
198 break;
199
200 case LF_LONG:
201 length += 4;
202 *value = *(const int*)leaf;
203 break;
204
205 case LF_ULONG:
206 length += 4;
207 *value = *(const unsigned int*)leaf;
208 break;
209
210 case LF_QUADWORD:
211 case LF_UQUADWORD:
212 FIXME("Unsupported numeric leaf type %04x\n", type);
213 length += 8;
214 *value = 0; /* FIXME */
215 break;
216
217 case LF_REAL32:
218 FIXME("Unsupported numeric leaf type %04x\n", type);
219 length += 4;
220 *value = 0; /* FIXME */
221 break;
222
223 case LF_REAL48:
224 FIXME("Unsupported numeric leaf type %04x\n", type);
225 length += 6;
226 *value = 0; /* FIXME */
227 break;
228
229 case LF_REAL64:
230 FIXME("Unsupported numeric leaf type %04x\n", type);
231 length += 8;
232 *value = 0; /* FIXME */
233 break;
234
235 case LF_REAL80:
236 FIXME("Unsupported numeric leaf type %04x\n", type);
237 length += 10;
238 *value = 0; /* FIXME */
239 break;
240
241 case LF_REAL128:
242 FIXME("Unsupported numeric leaf type %04x\n", type);
243 length += 16;
244 *value = 0; /* FIXME */
245 break;
246
247 case LF_COMPLEX32:
248 FIXME("Unsupported numeric leaf type %04x\n", type);
249 length += 4;
250 *value = 0; /* FIXME */
251 break;
252
253 case LF_COMPLEX64:
254 FIXME("Unsupported numeric leaf type %04x\n", type);
255 length += 8;
256 *value = 0; /* FIXME */
257 break;
258
259 case LF_COMPLEX80:
260 FIXME("Unsupported numeric leaf type %04x\n", type);
261 length += 10;
262 *value = 0; /* FIXME */
263 break;
264
265 case LF_COMPLEX128:
266 FIXME("Unsupported numeric leaf type %04x\n", type);
267 length += 16;
268 *value = 0; /* FIXME */
269 break;
270
271 case LF_VARSTRING:
272 FIXME("Unsupported numeric leaf type %04x\n", type);
273 length += 2 + *leaf;
274 *value = 0; /* FIXME */
275 break;
276
277 default:
278 FIXME("Unknown numeric leaf type %04x\n", type);
279 *value = 0;
280 break;
281 }
282 }
283
284 return length;
285 }
286
287 /* convert a pascal string (as stored in debug information) into
288 * a C string (null terminated).
289 */
290 static const char* terminate_string(const struct p_string* p_name)
291 {
292 static char symname[256];
293
294 memcpy(symname, p_name->name, p_name->namelen);
295 symname[p_name->namelen] = '\0';
296
297 return (!*symname || strcmp(symname, "__unnamed") == 0) ? NULL : symname;
298 }
299
300 static struct symt* codeview_get_type(unsigned int typeno, BOOL quiet)
301 {
302 struct symt* symt = NULL;
303
304 /*
305 * Convert Codeview type numbers into something we can grok internally.
306 * Numbers < FIRST_DEFINABLE_TYPE are all fixed builtin types.
307 * Numbers from FIRST_DEFINABLE_TYPE and up are all user defined (structs, etc).
308 */
309 if (typeno < FIRST_DEFINABLE_TYPE)
310 {
311 if (typeno < MAX_BUILTIN_TYPES)
312 symt = cv_basic_types[typeno];
313 }
314 else
315 {
316 unsigned mod_index = typeno >> 24;
317 unsigned mod_typeno = typeno & 0x00FFFFFF;
318 struct cv_defined_module* mod;
319
320 mod = (mod_index == 0) ? cv_current_module : &cv_zmodules[mod_index];
321
322 if (mod_index >= CV_MAX_MODULES || !mod->allowed)
323 FIXME("Module of index %d isn't loaded yet (%x)\n", mod_index, typeno);
324 else
325 {
326 if (mod_typeno - FIRST_DEFINABLE_TYPE < mod->num_defined_types)
327 symt = mod->defined_types[mod_typeno - FIRST_DEFINABLE_TYPE];
328 }
329 }
330 if (!quiet && !symt && typeno) FIXME("Returning NULL symt for type-id %x\n", typeno);
331 return symt;
332 }
333
334 struct codeview_type_parse
335 {
336 struct module* module;
337 const BYTE* table;
338 const DWORD* offset;
339 DWORD num;
340 };
341
342 static inline const void* codeview_jump_to_type(const struct codeview_type_parse* ctp, DWORD idx)
343 {
344 if (idx < FIRST_DEFINABLE_TYPE) return NULL;
345 idx -= FIRST_DEFINABLE_TYPE;
346 return (idx >= ctp->num) ? NULL : (ctp->table + ctp->offset[idx]);
347 }
348
349 static int codeview_add_type(unsigned int typeno, struct symt* dt)
350 {
351 if (typeno < FIRST_DEFINABLE_TYPE)
352 FIXME("What the heck\n");
353 if (!cv_current_module)
354 {
355 FIXME("Adding %x to non allowed module\n", typeno);
356 return FALSE;
357 }
358 if ((typeno >> 24) != 0)
359 FIXME("No module index while inserting type-id assumption is wrong %x\n",
360 typeno);
361 while (typeno - FIRST_DEFINABLE_TYPE >= cv_current_module->num_defined_types)
362 {
363 cv_current_module->num_defined_types += 0x100;
364 if (cv_current_module->defined_types)
365 cv_current_module->defined_types = HeapReAlloc(GetProcessHeap(),
366 HEAP_ZERO_MEMORY, cv_current_module->defined_types,
367 cv_current_module->num_defined_types * sizeof(struct symt*));
368 else
369 cv_current_module->defined_types = HeapAlloc(GetProcessHeap(),
370 HEAP_ZERO_MEMORY,
371 cv_current_module->num_defined_types * sizeof(struct symt*));
372
373 if (cv_current_module->defined_types == NULL) return FALSE;
374 }
375 if (cv_current_module->defined_types[typeno - FIRST_DEFINABLE_TYPE])
376 {
377 if (cv_current_module->defined_types[typeno - FIRST_DEFINABLE_TYPE] != dt)
378 FIXME("Overwriting at %x\n", typeno);
379 }
380 cv_current_module->defined_types[typeno - FIRST_DEFINABLE_TYPE] = dt;
381 return TRUE;
382 }
383
384 static void codeview_clear_type_table(void)
385 {
386 int i;
387
388 for (i = 0; i < CV_MAX_MODULES; i++)
389 {
390 if (cv_zmodules[i].allowed)
391 HeapFree(GetProcessHeap(), 0, cv_zmodules[i].defined_types);
392 cv_zmodules[i].allowed = FALSE;
393 cv_zmodules[i].defined_types = NULL;
394 cv_zmodules[i].num_defined_types = 0;
395 }
396 cv_current_module = NULL;
397 }
398
399 static struct symt* codeview_parse_one_type(struct codeview_type_parse* ctp,
400 unsigned curr_type,
401 const union codeview_type* type, BOOL details);
402
403 static void* codeview_cast_symt(struct symt* symt, enum SymTagEnum tag)
404 {
405 if (symt->tag != tag)
406 {
407 FIXME("Bad tag. Expected %d, but got %d\n", tag, symt->tag);
408 return NULL;
409 }
410 return symt;
411 }
412
413 static struct symt* codeview_fetch_type(struct codeview_type_parse* ctp,
414 unsigned typeno, BOOL details)
415 {
416 struct symt* symt;
417 const union codeview_type* p;
418
419 if (!typeno) return NULL;
420 if ((symt = codeview_get_type(typeno, TRUE))) return symt;
421
422 /* forward declaration */
423 if (!(p = codeview_jump_to_type(ctp, typeno)))
424 {
425 FIXME("Cannot locate type %x\n", typeno);
426 return NULL;
427 }
428 symt = codeview_parse_one_type(ctp, typeno, p, details);
429 if (!symt) FIXME("Couldn't load forward type %x\n", typeno);
430 return symt;
431 }
432
433 static struct symt* codeview_add_type_pointer(struct codeview_type_parse* ctp,
434 struct symt* existing,
435 unsigned int pointee_type)
436 {
437 struct symt* pointee;
438
439 if (existing)
440 {
441 existing = codeview_cast_symt(existing, SymTagPointerType);
442 return existing;
443 }
444 pointee = codeview_fetch_type(ctp, pointee_type, FALSE);
445 return &symt_new_pointer(ctp->module, pointee)->symt;
446 }
447
448 static struct symt* codeview_add_type_array(struct codeview_type_parse* ctp,
449 const char* name,
450 unsigned int elemtype,
451 unsigned int indextype,
452 unsigned int arr_len)
453 {
454 struct symt* elem = codeview_fetch_type(ctp, elemtype, FALSE);
455 struct symt* index = codeview_fetch_type(ctp, indextype, FALSE);
456 DWORD arr_max = 0;
457
458 if (elem)
459 {
460 DWORD64 elem_size;
461 symt_get_info(elem, TI_GET_LENGTH, &elem_size);
462 if (elem_size) arr_max = arr_len / (DWORD)elem_size;
463 }
464 return &symt_new_array(ctp->module, 0, arr_max, elem, index)->symt;
465 }
466
467 static int codeview_add_type_enum_field_list(struct module* module,
468 struct symt_enum* symt,
469 const union codeview_reftype* ref_type)
470 {
471 const unsigned char* ptr = ref_type->fieldlist.list;
472 const unsigned char* last = (const BYTE*)ref_type + ref_type->generic.len + 2;
473 const union codeview_fieldtype* type;
474
475 while (ptr < last)
476 {
477 if (*ptr >= 0xf0) /* LF_PAD... */
478 {
479 ptr += *ptr & 0x0f;
480 continue;
481 }
482
483 type = (const union codeview_fieldtype*)ptr;
484
485 switch (type->generic.id)
486 {
487 case LF_ENUMERATE_V1:
488 {
489 int value, vlen = numeric_leaf(&value, &type->enumerate_v1.value);
490 const struct p_string* p_name = (const struct p_string*)((const unsigned char*)&type->enumerate_v1.value + vlen);
491
492 symt_add_enum_element(module, symt, terminate_string(p_name), value);
493 ptr += 2 + 2 + vlen + (1 + p_name->namelen);
494 break;
495 }
496 case LF_ENUMERATE_V3:
497 {
498 int value, vlen = numeric_leaf(&value, &type->enumerate_v3.value);
499 const char* name = (const char*)&type->enumerate_v3.value + vlen;
500
501 symt_add_enum_element(module, symt, name, value);
502 ptr += 2 + 2 + vlen + (1 + strlen(name));
503 break;
504 }
505
506 default:
507 FIXME("Unsupported type %04x in ENUM field list\n", type->generic.id);
508 return FALSE;
509 }
510 }
511 return TRUE;
512 }
513
514 static void codeview_add_udt_element(struct codeview_type_parse* ctp,
515 struct symt_udt* symt, const char* name,
516 int value, unsigned type)
517 {
518 struct symt* subtype;
519 const union codeview_reftype*cv_type;
520
521 if ((cv_type = codeview_jump_to_type(ctp, type)))
522 {
523 switch (cv_type->generic.id)
524 {
525 case LF_BITFIELD_V1:
526 symt_add_udt_element(ctp->module, symt, name,
527 codeview_fetch_type(ctp, cv_type->bitfield_v1.type, FALSE),
528 (value << 3) + cv_type->bitfield_v1.bitoff,
529 cv_type->bitfield_v1.nbits);
530 return;
531 case LF_BITFIELD_V2:
532 symt_add_udt_element(ctp->module, symt, name,
533 codeview_fetch_type(ctp, cv_type->bitfield_v2.type, FALSE),
534 (value << 3) + cv_type->bitfield_v2.bitoff,
535 cv_type->bitfield_v2.nbits);
536 return;
537 }
538 }
539 subtype = codeview_fetch_type(ctp, type, FALSE);
540
541 if (subtype)
542 {
543 DWORD64 elem_size = 0;
544 symt_get_info(subtype, TI_GET_LENGTH, &elem_size);
545 symt_add_udt_element(ctp->module, symt, name, subtype,
546 value << 3, (DWORD)elem_size << 3);
547 }
548 }
549
550 static int codeview_add_type_struct_field_list(struct codeview_type_parse* ctp,
551 struct symt_udt* symt,
552 unsigned fieldlistno)
553 {
554 const unsigned char* ptr;
555 const unsigned char* last;
556 int value, leaf_len;
557 const struct p_string* p_name;
558 const char* c_name;
559 const union codeview_reftype*type_ref;
560 const union codeview_fieldtype* type;
561
562 if (!fieldlistno) return TRUE;
563 type_ref = codeview_jump_to_type(ctp, fieldlistno);
564 ptr = type_ref->fieldlist.list;
565 last = (const BYTE*)type_ref + type_ref->generic.len + 2;
566
567 while (ptr < last)
568 {
569 if (*ptr >= 0xf0) /* LF_PAD... */
570 {
571 ptr += *ptr & 0x0f;
572 continue;
573 }
574
575 type = (const union codeview_fieldtype*)ptr;
576
577 switch (type->generic.id)
578 {
579 case LF_BCLASS_V1:
580 leaf_len = numeric_leaf(&value, &type->bclass_v1.offset);
581
582 /* FIXME: ignored for now */
583
584 ptr += 2 + 2 + 2 + leaf_len;
585 break;
586
587 case LF_BCLASS_V2:
588 leaf_len = numeric_leaf(&value, &type->bclass_v2.offset);
589
590 /* FIXME: ignored for now */
591
592 ptr += 2 + 2 + 4 + leaf_len;
593 break;
594
595 case LF_VBCLASS_V1:
596 case LF_IVBCLASS_V1:
597 {
598 const unsigned short int* p_vboff;
599 int vpoff, vplen;
600 leaf_len = numeric_leaf(&value, &type->vbclass_v1.vbpoff);
601 p_vboff = (const unsigned short int*)((const char*)&type->vbclass_v1.vbpoff + leaf_len);
602 vplen = numeric_leaf(&vpoff, p_vboff);
603
604 /* FIXME: ignored for now */
605
606 ptr += 2 + 2 + 2 + 2 + leaf_len + vplen;
607 }
608 break;
609
610 case LF_VBCLASS_V2:
611 case LF_IVBCLASS_V2:
612 {
613 const unsigned short int* p_vboff;
614 int vpoff, vplen;
615 leaf_len = numeric_leaf(&value, &type->vbclass_v2.vbpoff);
616 p_vboff = (const unsigned short int*)((const char*)&type->vbclass_v2.vbpoff + leaf_len);
617 vplen = numeric_leaf(&vpoff, p_vboff);
618
619 /* FIXME: ignored for now */
620
621 ptr += 2 + 2 + 4 + 4 + leaf_len + vplen;
622 }
623 break;
624
625 case LF_MEMBER_V1:
626 leaf_len = numeric_leaf(&value, &type->member_v1.offset);
627 p_name = (const struct p_string*)((const char*)&type->member_v1.offset + leaf_len);
628
629 codeview_add_udt_element(ctp, symt, terminate_string(p_name), value,
630 type->member_v1.type);
631
632 ptr += 2 + 2 + 2 + leaf_len + (1 + p_name->namelen);
633 break;
634
635 case LF_MEMBER_V2:
636 leaf_len = numeric_leaf(&value, &type->member_v2.offset);
637 p_name = (const struct p_string*)((const unsigned char*)&type->member_v2.offset + leaf_len);
638
639 codeview_add_udt_element(ctp, symt, terminate_string(p_name), value,
640 type->member_v2.type);
641
642 ptr += 2 + 2 + 4 + leaf_len + (1 + p_name->namelen);
643 break;
644
645 case LF_MEMBER_V3:
646 leaf_len = numeric_leaf(&value, &type->member_v3.offset);
647 c_name = (const char*)&type->member_v3.offset + leaf_len;
648
649 codeview_add_udt_element(ctp, symt, c_name, value, type->member_v3.type);
650
651 ptr += 2 + 2 + 4 + leaf_len + (strlen(c_name) + 1);
652 break;
653
654 case LF_STMEMBER_V1:
655 /* FIXME: ignored for now */
656 ptr += 2 + 2 + 2 + (1 + type->stmember_v1.p_name.namelen);
657 break;
658
659 case LF_STMEMBER_V2:
660 /* FIXME: ignored for now */
661 ptr += 2 + 4 + 2 + (1 + type->stmember_v2.p_name.namelen);
662 break;
663
664 case LF_STMEMBER_V3:
665 /* FIXME: ignored for now */
666 ptr += 2 + 4 + 2 + (strlen(type->stmember_v3.name) + 1);
667 break;
668
669 case LF_METHOD_V1:
670 /* FIXME: ignored for now */
671 ptr += 2 + 2 + 2 + (1 + type->method_v1.p_name.namelen);
672 break;
673
674 case LF_METHOD_V2:
675 /* FIXME: ignored for now */
676 ptr += 2 + 2 + 4 + (1 + type->method_v2.p_name.namelen);
677 break;
678
679 case LF_METHOD_V3:
680 /* FIXME: ignored for now */
681 ptr += 2 + 2 + 4 + (strlen(type->method_v3.name) + 1);
682 break;
683
684 case LF_NESTTYPE_V1:
685 /* FIXME: ignored for now */
686 ptr += 2 + 2 + (1 + type->nesttype_v1.p_name.namelen);
687 break;
688
689 case LF_NESTTYPE_V2:
690 /* FIXME: ignored for now */
691 ptr += 2 + 2 + 4 + (1 + type->nesttype_v2.p_name.namelen);
692 break;
693
694 case LF_NESTTYPE_V3:
695 /* FIXME: ignored for now */
696 ptr += 2 + 2 + 4 + (strlen(type->nesttype_v3.name) + 1);
697 break;
698
699 case LF_VFUNCTAB_V1:
700 /* FIXME: ignored for now */
701 ptr += 2 + 2;
702 break;
703
704 case LF_VFUNCTAB_V2:
705 /* FIXME: ignored for now */
706 ptr += 2 + 2 + 4;
707 break;
708
709 case LF_ONEMETHOD_V1:
710 /* FIXME: ignored for now */
711 switch ((type->onemethod_v1.attribute >> 2) & 7)
712 {
713 case 4: case 6: /* (pure) introducing virtual method */
714 ptr += 2 + 2 + 2 + 4 + (1 + type->onemethod_virt_v1.p_name.namelen);
715 break;
716
717 default:
718 ptr += 2 + 2 + 2 + (1 + type->onemethod_v1.p_name.namelen);
719 break;
720 }
721 break;
722
723 case LF_ONEMETHOD_V2:
724 /* FIXME: ignored for now */
725 switch ((type->onemethod_v2.attribute >> 2) & 7)
726 {
727 case 4: case 6: /* (pure) introducing virtual method */
728 ptr += 2 + 2 + 4 + 4 + (1 + type->onemethod_virt_v2.p_name.namelen);
729 break;
730
731 default:
732 ptr += 2 + 2 + 4 + (1 + type->onemethod_v2.p_name.namelen);
733 break;
734 }
735 break;
736
737 case LF_ONEMETHOD_V3:
738 /* FIXME: ignored for now */
739 switch ((type->onemethod_v3.attribute >> 2) & 7)
740 {
741 case 4: case 6: /* (pure) introducing virtual method */
742 ptr += 2 + 2 + 4 + 4 + (strlen(type->onemethod_virt_v3.name) + 1);
743 break;
744
745 default:
746 ptr += 2 + 2 + 4 + (strlen(type->onemethod_v3.name) + 1);
747 break;
748 }
749 break;
750
751 default:
752 FIXME("Unsupported type %04x in STRUCT field list\n", type->generic.id);
753 return FALSE;
754 }
755 }
756
757 return TRUE;
758 }
759
760 static struct symt* codeview_add_type_enum(struct codeview_type_parse* ctp,
761 struct symt* existing,
762 const char* name,
763 unsigned fieldlistno,
764 unsigned basetype)
765 {
766 struct symt_enum* symt;
767
768 if (existing)
769 {
770 if (!(symt = codeview_cast_symt(existing, SymTagEnum))) return NULL;
771 /* should also check that all fields are the same */
772 }
773 else
774 {
775 symt = symt_new_enum(ctp->module, name,
776 codeview_fetch_type(ctp, basetype, FALSE));
777 if (fieldlistno)
778 {
779 const union codeview_reftype* fieldlist;
780 fieldlist = codeview_jump_to_type(ctp, fieldlistno);
781 codeview_add_type_enum_field_list(ctp->module, symt, fieldlist);
782 }
783 }
784 return &symt->symt;
785 }
786
787 static struct symt* codeview_add_type_struct(struct codeview_type_parse* ctp,
788 struct symt* existing,
789 const char* name, int structlen,
790 enum UdtKind kind)
791 {
792 struct symt_udt* symt;
793
794 if (existing)
795 {
796 if (!(symt = codeview_cast_symt(existing, SymTagUDT))) return NULL;
797 /* should also check that all fields are the same */
798 }
799 else symt = symt_new_udt(ctp->module, name, structlen, kind);
800
801 return &symt->symt;
802 }
803
804 static struct symt* codeview_new_func_signature(struct codeview_type_parse* ctp,
805 struct symt* existing,
806 enum CV_call_e call_conv)
807 {
808 struct symt_function_signature* sym;
809
810 if (existing)
811 {
812 sym = codeview_cast_symt(existing, SymTagFunctionType);
813 if (!sym) return NULL;
814 }
815 else
816 {
817 sym = symt_new_function_signature(ctp->module, NULL, call_conv);
818 }
819 return &sym->symt;
820 }
821
822 static void codeview_add_func_signature_args(struct codeview_type_parse* ctp,
823 struct symt_function_signature* sym,
824 unsigned ret_type,
825 unsigned args_list)
826 {
827 const union codeview_reftype* reftype;
828
829 sym->rettype = codeview_fetch_type(ctp, ret_type, FALSE);
830 if (args_list && (reftype = codeview_jump_to_type(ctp, args_list)))
831 {
832 unsigned int i;
833 switch (reftype->generic.id)
834 {
835 case LF_ARGLIST_V1:
836 for (i = 0; i < reftype->arglist_v1.num; i++)
837 symt_add_function_signature_parameter(ctp->module, sym,
838 codeview_fetch_type(ctp, reftype->arglist_v1.args[i], FALSE));
839 break;
840 case LF_ARGLIST_V2:
841 for (i = 0; i < reftype->arglist_v2.num; i++)
842 symt_add_function_signature_parameter(ctp->module, sym,
843 codeview_fetch_type(ctp, reftype->arglist_v2.args[i], FALSE));
844 break;
845 default:
846 FIXME("Unexpected leaf %x for signature's pmt\n", reftype->generic.id);
847 }
848 }
849 }
850
851 static struct symt* codeview_parse_one_type(struct codeview_type_parse* ctp,
852 unsigned curr_type,
853 const union codeview_type* type, BOOL details)
854 {
855 struct symt* symt;
856 int value, leaf_len;
857 const struct p_string* p_name;
858 const char* c_name;
859 struct symt* existing;
860
861 existing = codeview_get_type(curr_type, TRUE);
862
863 switch (type->generic.id)
864 {
865 case LF_MODIFIER_V1:
866 /* FIXME: we don't handle modifiers,
867 * but read previous type on the curr_type
868 */
869 WARN("Modifier on %x: %s%s%s%s\n",
870 type->modifier_v1.type,
871 type->modifier_v1.attribute & 0x01 ? "const " : "",
872 type->modifier_v1.attribute & 0x02 ? "volatile " : "",
873 type->modifier_v1.attribute & 0x04 ? "unaligned " : "",
874 type->modifier_v1.attribute & ~0x07 ? "unknown " : "");
875 symt = codeview_fetch_type(ctp, type->modifier_v1.type, details);
876 break;
877 case LF_MODIFIER_V2:
878 /* FIXME: we don't handle modifiers, but readd previous type on the curr_type */
879 WARN("Modifier on %x: %s%s%s%s\n",
880 type->modifier_v2.type,
881 type->modifier_v2.attribute & 0x01 ? "const " : "",
882 type->modifier_v2.attribute & 0x02 ? "volatile " : "",
883 type->modifier_v2.attribute & 0x04 ? "unaligned " : "",
884 type->modifier_v2.attribute & ~0x07 ? "unknown " : "");
885 symt = codeview_fetch_type(ctp, type->modifier_v2.type, details);
886 break;
887
888 case LF_POINTER_V1:
889 symt = codeview_add_type_pointer(ctp, existing, type->pointer_v1.datatype);
890 break;
891 case LF_POINTER_V2:
892 symt = codeview_add_type_pointer(ctp, existing, type->pointer_v2.datatype);
893 break;
894
895 case LF_ARRAY_V1:
896 if (existing) symt = codeview_cast_symt(existing, SymTagArrayType);
897 else
898 {
899 leaf_len = numeric_leaf(&value, &type->array_v1.arrlen);
900 p_name = (const struct p_string*)((const unsigned char*)&type->array_v1.arrlen + leaf_len);
901 symt = codeview_add_type_array(ctp, terminate_string(p_name),
902 type->array_v1.elemtype,
903 type->array_v1.idxtype, value);
904 }
905 break;
906 case LF_ARRAY_V2:
907 if (existing) symt = codeview_cast_symt(existing, SymTagArrayType);
908 else
909 {
910 leaf_len = numeric_leaf(&value, &type->array_v2.arrlen);
911 p_name = (const struct p_string*)((const unsigned char*)&type->array_v2.arrlen + leaf_len);
912
913 symt = codeview_add_type_array(ctp, terminate_string(p_name),
914 type->array_v2.elemtype,
915 type->array_v2.idxtype, value);
916 }
917 break;
918 case LF_ARRAY_V3:
919 if (existing) symt = codeview_cast_symt(existing, SymTagArrayType);
920 else
921 {
922 leaf_len = numeric_leaf(&value, &type->array_v3.arrlen);
923 c_name = (const char*)&type->array_v3.arrlen + leaf_len;
924
925 symt = codeview_add_type_array(ctp, c_name,
926 type->array_v3.elemtype,
927 type->array_v3.idxtype, value);
928 }
929 break;
930
931 case LF_STRUCTURE_V1:
932 case LF_CLASS_V1:
933 leaf_len = numeric_leaf(&value, &type->struct_v1.structlen);
934 p_name = (const struct p_string*)((const unsigned char*)&type->struct_v1.structlen + leaf_len);
935 symt = codeview_add_type_struct(ctp, existing, terminate_string(p_name), value,
936 type->generic.id == LF_CLASS_V1 ? UdtClass : UdtStruct);
937 if (details)
938 {
939 codeview_add_type(curr_type, symt);
940 codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
941 type->struct_v1.fieldlist);
942 }
943 break;
944
945 case LF_STRUCTURE_V2:
946 case LF_CLASS_V2:
947 leaf_len = numeric_leaf(&value, &type->struct_v2.structlen);
948 p_name = (const struct p_string*)((const unsigned char*)&type->struct_v2.structlen + leaf_len);
949 symt = codeview_add_type_struct(ctp, existing, terminate_string(p_name), value,
950 type->generic.id == LF_CLASS_V2 ? UdtClass : UdtStruct);
951 if (details)
952 {
953 codeview_add_type(curr_type, symt);
954 codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
955 type->struct_v2.fieldlist);
956 }
957 break;
958
959 case LF_STRUCTURE_V3:
960 case LF_CLASS_V3:
961 leaf_len = numeric_leaf(&value, &type->struct_v3.structlen);
962 c_name = (const char*)&type->struct_v3.structlen + leaf_len;
963 symt = codeview_add_type_struct(ctp, existing, c_name, value,
964 type->generic.id == LF_CLASS_V3 ? UdtClass : UdtStruct);
965 if (details)
966 {
967 codeview_add_type(curr_type, symt);
968 codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
969 type->struct_v3.fieldlist);
970 }
971 break;
972
973 case LF_UNION_V1:
974 leaf_len = numeric_leaf(&value, &type->union_v1.un_len);
975 p_name = (const struct p_string*)((const unsigned char*)&type->union_v1.un_len + leaf_len);
976 symt = codeview_add_type_struct(ctp, existing, terminate_string(p_name),
977 value, UdtUnion);
978 if (details)
979 {
980 codeview_add_type(curr_type, symt);
981 codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
982 type->union_v1.fieldlist);
983 }
984 break;
985
986 case LF_UNION_V2:
987 leaf_len = numeric_leaf(&value, &type->union_v2.un_len);
988 p_name = (const struct p_string*)((const unsigned char*)&type->union_v2.un_len + leaf_len);
989 symt = codeview_add_type_struct(ctp, existing, terminate_string(p_name),
990 value, UdtUnion);
991 if (details)
992 {
993 codeview_add_type(curr_type, symt);
994 codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
995 type->union_v2.fieldlist);
996 }
997 break;
998
999 case LF_UNION_V3:
1000 leaf_len = numeric_leaf(&value, &type->union_v3.un_len);
1001 c_name = (const char*)&type->union_v3.un_len + leaf_len;
1002 symt = codeview_add_type_struct(ctp, existing, c_name,
1003 value, UdtUnion);
1004 if (details)
1005 {
1006 codeview_add_type(curr_type, symt);
1007 codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
1008 type->union_v3.fieldlist);
1009 }
1010 break;
1011
1012 case LF_ENUM_V1:
1013 symt = codeview_add_type_enum(ctp, existing,
1014 terminate_string(&type->enumeration_v1.p_name),
1015 type->enumeration_v1.fieldlist,
1016 type->enumeration_v1.type);
1017 break;
1018
1019 case LF_ENUM_V2:
1020 symt = codeview_add_type_enum(ctp, existing,
1021 terminate_string(&type->enumeration_v2.p_name),
1022 type->enumeration_v2.fieldlist,
1023 type->enumeration_v2.type);
1024 break;
1025
1026 case LF_ENUM_V3:
1027 symt = codeview_add_type_enum(ctp, existing, type->enumeration_v3.name,
1028 type->enumeration_v3.fieldlist,
1029 type->enumeration_v3.type);
1030 break;
1031
1032 case LF_PROCEDURE_V1:
1033 symt = codeview_new_func_signature(ctp, existing, type->procedure_v1.call);
1034 if (details)
1035 {
1036 codeview_add_type(curr_type, symt);
1037 codeview_add_func_signature_args(ctp,
1038 (struct symt_function_signature*)symt,
1039 type->procedure_v1.rvtype,
1040 type->procedure_v1.arglist);
1041 }
1042 break;
1043 case LF_PROCEDURE_V2:
1044 symt = codeview_new_func_signature(ctp, existing,type->procedure_v2.call);
1045 if (details)
1046 {
1047 codeview_add_type(curr_type, symt);
1048 codeview_add_func_signature_args(ctp,
1049 (struct symt_function_signature*)symt,
1050 type->procedure_v2.rvtype,
1051 type->procedure_v2.arglist);
1052 }
1053 break;
1054
1055 case LF_MFUNCTION_V1:
1056 /* FIXME: for C++, this is plain wrong, but as we don't use arg types
1057 * nor class information, this would just do for now
1058 */
1059 symt = codeview_new_func_signature(ctp, existing, type->mfunction_v1.call);
1060 if (details)
1061 {
1062 codeview_add_type(curr_type, symt);
1063 codeview_add_func_signature_args(ctp,
1064 (struct symt_function_signature*)symt,
1065 type->mfunction_v1.rvtype,
1066 type->mfunction_v1.arglist);
1067 }
1068 break;
1069 case LF_MFUNCTION_V2:
1070 /* FIXME: for C++, this is plain wrong, but as we don't use arg types
1071 * nor class information, this would just do for now
1072 */
1073 symt = codeview_new_func_signature(ctp, existing, type->mfunction_v2.call);
1074 if (details)
1075 {
1076 codeview_add_type(curr_type, symt);
1077 codeview_add_func_signature_args(ctp,
1078 (struct symt_function_signature*)symt,
1079 type->mfunction_v2.rvtype,
1080 type->mfunction_v2.arglist);
1081 }
1082 break;
1083
1084 case LF_VTSHAPE_V1:
1085 /* this is an ugly hack... FIXME when we have C++ support */
1086 if (!(symt = existing))
1087 {
1088 char buf[128];
1089 snprintf(buf, sizeof(buf), "__internal_vt_shape_%x\n", curr_type);
1090 symt = &symt_new_udt(ctp->module, buf, 0, UdtStruct)->symt;
1091 }
1092 break;
1093 default:
1094 FIXME("Unsupported type-id leaf %x\n", type->generic.id);
1095 dump(type, 2 + type->generic.len);
1096 return FALSE;
1097 }
1098 return codeview_add_type(curr_type, symt) ? symt : NULL;
1099 }
1100
1101 static int codeview_parse_type_table(struct codeview_type_parse* ctp)
1102 {
1103 unsigned int curr_type = FIRST_DEFINABLE_TYPE;
1104 const union codeview_type* type;
1105
1106 for (curr_type = FIRST_DEFINABLE_TYPE; curr_type < FIRST_DEFINABLE_TYPE + ctp->num; curr_type++)
1107 {
1108 type = codeview_jump_to_type(ctp, curr_type);
1109
1110 /* type records we're interested in are the ones referenced by symbols
1111 * The known ranges are (X mark the ones we want):
1112 * X 0000-0016 for V1 types
1113 * 0200-020c for V1 types referenced by other types
1114 * 0400-040f for V1 types (complex lists & sets)
1115 * X 1000-100f for V2 types
1116 * 1200-120c for V2 types referenced by other types
1117 * 1400-140f for V1 types (complex lists & sets)
1118 * X 1500-150d for V3 types
1119 * 8000-8010 for numeric leafes
1120 */
1121 if (!(type->generic.id & 0x8600) || (type->generic.id & 0x0100))
1122 codeview_parse_one_type(ctp, curr_type, type, TRUE);
1123 }
1124
1125 return TRUE;
1126 }
1127
1128 /*========================================================================
1129 * Process CodeView line number information.
1130 */
1131
1132 static struct codeview_linetab* codeview_snarf_linetab(struct module* module,
1133 const BYTE* linetab, int size,
1134 BOOL pascal_str)
1135 {
1136 int file_segcount;
1137 char filename[PATH_MAX];
1138 const unsigned int* filetab;
1139 const struct p_string* p_fn;
1140 int i;
1141 int k;
1142 struct codeview_linetab* lt_hdr;
1143 const unsigned int* lt_ptr;
1144 int nfile;
1145 int nseg;
1146 union any_size pnt;
1147 union any_size pnt2;
1148 const struct startend* start;
1149 int this_seg;
1150 unsigned source;
1151
1152 /*
1153 * Now get the important bits.
1154 */
1155 pnt.uc = linetab;
1156 nfile = *pnt.s++;
1157 nseg = *pnt.s++;
1158
1159 filetab = (const unsigned int*) pnt.c;
1160
1161 /*
1162 * Now count up the number of segments in the file.
1163 */
1164 nseg = 0;
1165 for (i = 0; i < nfile; i++)
1166 {
1167 pnt2.uc = linetab + filetab[i];
1168 nseg += *pnt2.s;
1169 }
1170
1171 /*
1172 * Next allocate the header we will be returning.
1173 * There is one header for each segment, so that we can reach in
1174 * and pull bits as required.
1175 */
1176 lt_hdr = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
1177 (nseg + 1) * sizeof(*lt_hdr));
1178 if (lt_hdr == NULL)
1179 {
1180 goto leave;
1181 }
1182
1183 /*
1184 * Now fill the header we will be returning, one for each segment.
1185 * Note that this will basically just contain pointers into the existing
1186 * line table, and we do not actually copy any additional information
1187 * or allocate any additional memory.
1188 */
1189
1190 this_seg = 0;
1191 for (i = 0; i < nfile; i++)
1192 {
1193 /*
1194 * Get the pointer into the segment information.
1195 */
1196 pnt2.uc = linetab + filetab[i];
1197 file_segcount = *pnt2.s;
1198
1199 pnt2.ui++;
1200 lt_ptr = (const unsigned int*) pnt2.c;
1201 start = (const struct startend*)(lt_ptr + file_segcount);
1202
1203 /*
1204 * Now snarf the filename for all of the segments for this file.
1205 */
1206 if (pascal_str)
1207 {
1208 p_fn = (const struct p_string*)(start + file_segcount);
1209 memset(filename, 0, sizeof(filename));
1210 memcpy(filename, p_fn->name, p_fn->namelen);
1211 source = source_new(module, NULL, filename);
1212 }
1213 else
1214 source = source_new(module, NULL, (const char*)(start + file_segcount));
1215
1216 for (k = 0; k < file_segcount; k++, this_seg++)
1217 {
1218 pnt2.uc = linetab + lt_ptr[k];
1219 lt_hdr[this_seg].start = start[k].start;
1220 lt_hdr[this_seg].end = start[k].end;
1221 lt_hdr[this_seg].source = source;
1222 lt_hdr[this_seg].segno = *pnt2.s++;
1223 lt_hdr[this_seg].nline = *pnt2.s++;
1224 lt_hdr[this_seg].offtab = pnt2.ui;
1225 lt_hdr[this_seg].linetab = (const unsigned short*)(pnt2.ui + lt_hdr[this_seg].nline);
1226 }
1227 }
1228
1229 leave:
1230
1231 return lt_hdr;
1232
1233 }
1234
1235 /*========================================================================
1236 * Process CodeView symbol information.
1237 */
1238
1239 static unsigned int codeview_map_offset(const struct msc_debug_info* msc_dbg,
1240 unsigned int offset)
1241 {
1242 int nomap = msc_dbg->nomap;
1243 const OMAP_DATA* omapp = msc_dbg->omapp;
1244 int i;
1245
1246 if (!nomap || !omapp) return offset;
1247
1248 /* FIXME: use binary search */
1249 for (i = 0; i < nomap - 1; i++)
1250 if (omapp[i].from <= offset && omapp[i+1].from > offset)
1251 return !omapp[i].to ? 0 : omapp[i].to + (offset - omapp[i].from);
1252
1253 return 0;
1254 }
1255
1256 static const struct codeview_linetab*
1257 codeview_get_linetab(const struct codeview_linetab* linetab,
1258 unsigned seg, unsigned offset)
1259 {
1260 /*
1261 * Check whether we have line number information
1262 */
1263 if (linetab)
1264 {
1265 for (; linetab->linetab; linetab++)
1266 if (linetab->segno == seg &&
1267 linetab->start <= offset && linetab->end > offset)
1268 break;
1269 if (!linetab->linetab) linetab = NULL;
1270 }
1271 return linetab;
1272 }
1273
1274 static unsigned codeview_get_address(const struct msc_debug_info* msc_dbg,
1275 unsigned seg, unsigned offset)
1276 {
1277 int nsect = msc_dbg->nsect;
1278 const IMAGE_SECTION_HEADER* sectp = msc_dbg->sectp;
1279
1280 if (!seg || seg > nsect) return 0;
1281 return msc_dbg->module->module.BaseOfImage +
1282 codeview_map_offset(msc_dbg, sectp[seg-1].VirtualAddress + offset);
1283 }
1284
1285 static void codeview_add_func_linenum(struct module* module,
1286 struct symt_function* func,
1287 const struct codeview_linetab* linetab,
1288 unsigned offset, unsigned size)
1289 {
1290 unsigned int i;
1291
1292 if (!linetab) return;
1293 for (i = 0; i < linetab->nline; i++)
1294 {
1295 if (linetab->offtab[i] >= offset && linetab->offtab[i] < offset + size)
1296 {
1297 symt_add_func_line(module, func, linetab->source,
1298 linetab->linetab[i], linetab->offtab[i] - offset);
1299 }
1300 }
1301 }
1302
1303 static inline void codeview_add_variable(const struct msc_debug_info* msc_dbg,
1304 struct symt_compiland* compiland,
1305 const char* name,
1306 unsigned segment, unsigned offset,
1307 unsigned symtype, BOOL is_local, BOOL force)
1308 {
1309 if (name && *name)
1310 {
1311 unsigned address = codeview_get_address(msc_dbg, segment, offset);
1312
1313 if (force || !symt_find_nearest(msc_dbg->module, address))
1314 {
1315 symt_new_global_variable(msc_dbg->module, compiland,
1316 name, is_local, address, 0,
1317 codeview_get_type(symtype, FALSE));
1318 }
1319 }
1320 }
1321
1322 static int codeview_snarf(const struct msc_debug_info* msc_dbg, const BYTE* root,
1323 int offset, int size,
1324 struct codeview_linetab* linetab, BOOL do_globals)
1325 {
1326 struct symt_function* curr_func = NULL;
1327 int i, length;
1328 const struct codeview_linetab* flt;
1329 struct symt_block* block = NULL;
1330 struct symt* symt;
1331 const char* name;
1332 struct symt_compiland* compiland = NULL;
1333 struct location loc;
1334
1335 /*
1336 * Loop over the different types of records and whenever we
1337 * find something we are interested in, record it and move on.
1338 */
1339 for (i = offset; i < size; i += length)
1340 {
1341 const union codeview_symbol* sym = (const union codeview_symbol*)(root + i);
1342 length = sym->generic.len + 2;
1343 if (i + length > size) break;
1344 if (!sym->generic.id || length < 4) break;
1345 if (length & 3) FIXME("unpadded len %u\n", length);
1346
1347 switch (sym->generic.id)
1348 {
1349 /*
1350 * Global and local data symbols. We don't associate these
1351 * with any given source file.
1352 */
1353 case S_GDATA_V1:
1354 case S_LDATA_V1:
1355 if (do_globals)
1356 codeview_add_variable(msc_dbg, compiland, terminate_string(&sym->data_v1.p_name),
1357 sym->data_v1.segment, sym->data_v1.offset, sym->data_v1.symtype,
1358 sym->generic.id == S_LDATA_V1, TRUE);
1359 break;
1360 case S_GDATA_V2:
1361 case S_LDATA_V2:
1362 if (do_globals)
1363 codeview_add_variable(msc_dbg, compiland, terminate_string(&sym->data_v2.p_name),
1364 sym->data_v2.segment, sym->data_v2.offset, sym->data_v2.symtype,
1365 sym->generic.id == S_LDATA_V2, TRUE);
1366 break;
1367 case S_GDATA_V3:
1368 case S_LDATA_V3:
1369 if (do_globals)
1370 codeview_add_variable(msc_dbg, compiland, sym->data_v3.name,
1371 sym->data_v3.segment, sym->data_v3.offset, sym->data_v3.symtype,
1372 sym->generic.id == S_LDATA_V3, TRUE);
1373 break;
1374
1375 /* Public symbols */
1376 case S_PUB_V1:
1377 case S_PUB_V2:
1378 case S_PUB_V3:
1379 case S_PUB_FUNC1_V3:
1380 case S_PUB_FUNC2_V3:
1381 /* will be handled later on in codeview_snarf_public */
1382 break;
1383
1384 /*
1385 * Sort of like a global function, but it just points
1386 * to a thunk, which is a stupid name for what amounts to
1387 * a PLT slot in the normal jargon that everyone else uses.
1388 */
1389 case S_THUNK_V1:
1390 symt_new_thunk(msc_dbg->module, compiland,
1391 terminate_string(&sym->thunk_v1.p_name), sym->thunk_v1.thtype,
1392 codeview_get_address(msc_dbg, sym->thunk_v1.segment, sym->thunk_v1.offset),
1393 sym->thunk_v1.thunk_len);
1394 break;
1395 case S_THUNK_V3:
1396 symt_new_thunk(msc_dbg->module, compiland,
1397 sym->thunk_v3.name, sym->thunk_v3.thtype,
1398 codeview_get_address(msc_dbg, sym->thunk_v3.segment, sym->thunk_v3.offset),
1399 sym->thunk_v3.thunk_len);
1400 break;
1401
1402 /*
1403 * Global and static functions.
1404 */
1405 case S_GPROC_V1:
1406 case S_LPROC_V1:
1407 flt = codeview_get_linetab(linetab, sym->proc_v1.segment, sym->proc_v1.offset);
1408 if (curr_func) FIXME("nested function\n");
1409 curr_func = symt_new_function(msc_dbg->module, compiland,
1410 terminate_string(&sym->proc_v1.p_name),
1411 codeview_get_address(msc_dbg, sym->proc_v1.segment, sym->proc_v1.offset),
1412 sym->proc_v1.proc_len,
1413 codeview_get_type(sym->proc_v1.proctype, FALSE));
1414 codeview_add_func_linenum(msc_dbg->module, curr_func, flt,
1415 sym->proc_v1.offset, sym->proc_v1.proc_len);
1416 loc.kind = loc_absolute;
1417 loc.offset = sym->proc_v1.debug_start;
1418 symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugStart, &loc, NULL);
1419 loc.offset = sym->proc_v1.debug_end;
1420 symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugEnd, &loc, NULL);
1421 break;
1422 case S_GPROC_V2:
1423 case S_LPROC_V2:
1424 flt = codeview_get_linetab(linetab, sym->proc_v2.segment, sym->proc_v2.offset);
1425 if (curr_func) FIXME("nested function\n");
1426 curr_func = symt_new_function(msc_dbg->module, compiland,
1427 terminate_string(&sym->proc_v2.p_name),
1428 codeview_get_address(msc_dbg, sym->proc_v2.segment, sym->proc_v2.offset),
1429 sym->proc_v2.proc_len,
1430 codeview_get_type(sym->proc_v2.proctype, FALSE));
1431 codeview_add_func_linenum(msc_dbg->module, curr_func, flt,
1432 sym->proc_v2.offset, sym->proc_v2.proc_len);
1433 loc.kind = loc_absolute;
1434 loc.offset = sym->proc_v2.debug_start;
1435 symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugStart, &loc, NULL);
1436 loc.offset = sym->proc_v2.debug_end;
1437 symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugEnd, &loc, NULL);
1438 break;
1439 case S_GPROC_V3:
1440 case S_LPROC_V3:
1441 flt = codeview_get_linetab(linetab, sym->proc_v3.segment, sym->proc_v3.offset);
1442 if (curr_func) FIXME("nested function\n");
1443 curr_func = symt_new_function(msc_dbg->module, compiland,
1444 sym->proc_v3.name,
1445 codeview_get_address(msc_dbg, sym->proc_v3.segment, sym->proc_v3.offset),
1446 sym->proc_v3.proc_len,
1447 codeview_get_type(sym->proc_v3.proctype, FALSE));
1448 codeview_add_func_linenum(msc_dbg->module, curr_func, flt,
1449 sym->proc_v3.offset, sym->proc_v3.proc_len);
1450 loc.kind = loc_absolute;
1451 loc.offset = sym->proc_v3.debug_start;
1452 symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugStart, &loc, NULL);
1453 loc.offset = sym->proc_v3.debug_end;
1454 symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugEnd, &loc, NULL);
1455 break;
1456 /*
1457 * Function parameters and stack variables.
1458 */
1459 case S_BPREL_V1:
1460 loc.kind = loc_regrel;
1461 loc.reg = 0; /* FIXME */
1462 loc.offset = sym->stack_v1.offset;
1463 symt_add_func_local(msc_dbg->module, curr_func,
1464 sym->stack_v1.offset > 0 ? DataIsParam : DataIsLocal,
1465 &loc, block,
1466 codeview_get_type(sym->stack_v1.symtype, FALSE),
1467 terminate_string(&sym->stack_v1.p_name));
1468 break;
1469 case S_BPREL_V2:
1470 loc.kind = loc_regrel;
1471 loc.reg = 0; /* FIXME */
1472 loc.offset = sym->stack_v2.offset;
1473 symt_add_func_local(msc_dbg->module, curr_func,
1474 sym->stack_v2.offset > 0 ? DataIsParam : DataIsLocal,
1475 &loc, block,
1476 codeview_get_type(sym->stack_v2.symtype, FALSE),
1477 terminate_string(&sym->stack_v2.p_name));
1478 break;
1479 case S_BPREL_V3:
1480 loc.kind = loc_regrel;
1481 loc.reg = 0; /* FIXME */
1482 loc.offset = sym->stack_v3.offset;
1483 symt_add_func_local(msc_dbg->module, curr_func,
1484 sym->stack_v3.offset > 0 ? DataIsParam : DataIsLocal,
1485 &loc, block,
1486 codeview_get_type(sym->stack_v3.symtype, FALSE),
1487 sym->stack_v3.name);
1488 break;
1489 case S_BPREL_XXXX_V3:
1490 loc.kind = loc_regrel;
1491 loc.reg = 0; /* FIXME */
1492 loc.offset = sym->stack_xxxx_v3.offset;
1493 WARN("Supposed stack variable %s (%d)\n", sym->stack_xxxx_v3.name, sym->stack_xxxx_v3.unknown);
1494 symt_add_func_local(msc_dbg->module, curr_func,
1495 sym->stack_xxxx_v3.offset > 0 ? DataIsParam : DataIsLocal,
1496 &loc, block,
1497 codeview_get_type(sym->stack_xxxx_v3.symtype, FALSE),
1498 sym->stack_xxxx_v3.name);
1499 break;
1500
1501 case S_REGISTER_V1:
1502 loc.kind = loc_register;
1503 loc.reg = sym->register_v1.reg;
1504 loc.offset = 0;
1505 symt_add_func_local(msc_dbg->module, curr_func,
1506 DataIsLocal, &loc,
1507 block, codeview_get_type(sym->register_v1.type, FALSE),
1508 terminate_string(&sym->register_v1.p_name));
1509 break;
1510 case S_REGISTER_V2:
1511 loc.kind = loc_register;
1512 loc.reg = sym->register_v2.reg;
1513 loc.offset = 0;
1514 symt_add_func_local(msc_dbg->module, curr_func,
1515 DataIsLocal, &loc,
1516 block, codeview_get_type(sym->register_v2.type, FALSE),
1517 terminate_string(&sym->register_v2.p_name));
1518 break;
1519 case S_REGISTER_V3:
1520 loc.kind = loc_register;
1521 loc.reg = sym->register_v3.reg;
1522 loc.offset = 0;
1523 symt_add_func_local(msc_dbg->module, curr_func,
1524 DataIsLocal, &loc,
1525 block, codeview_get_type(sym->register_v3.type, FALSE),
1526 sym->register_v3.name);
1527 break;
1528
1529 case S_BLOCK_V1:
1530 block = symt_open_func_block(msc_dbg->module, curr_func, block,
1531 codeview_get_address(msc_dbg, sym->block_v1.segment, sym->block_v1.offset),
1532 sym->block_v1.length);
1533 break;
1534 case S_BLOCK_V3:
1535 block = symt_open_func_block(msc_dbg->module, curr_func, block,
1536 codeview_get_address(msc_dbg, sym->block_v3.segment, sym->block_v3.offset),
1537 sym->block_v3.length);
1538 break;
1539
1540 case S_END_V1:
1541 if (block)
1542 {
1543 block = symt_close_func_block(msc_dbg->module, curr_func, block, 0);
1544 }
1545 else if (curr_func)
1546 {
1547 symt_normalize_function(msc_dbg->module, curr_func);
1548 curr_func = NULL;
1549 }
1550 break;
1551
1552 case S_COMPILAND_V1:
1553 TRACE("S-Compiland-V1 %x %s\n",
1554 sym->compiland_v1.unknown, terminate_string(&sym->compiland_v1.p_name));
1555 break;
1556
1557 case S_COMPILAND_V2:
1558 TRACE("S-Compiland-V2 %s\n", terminate_string(&sym->compiland_v2.p_name));
1559 if (TRACE_ON(dbghelp_msc))
1560 {
1561 const char* ptr1 = sym->compiland_v2.p_name.name + sym->compiland_v2.p_name.namelen;
1562 const char* ptr2;
1563 while (*ptr1)
1564 {
1565 ptr2 = ptr1 + strlen(ptr1) + 1;
1566 TRACE("\t%s => %s\n", ptr1, debugstr_a(ptr2));
1567 ptr1 = ptr2 + strlen(ptr2) + 1;
1568 }
1569 }
1570 break;
1571 case S_COMPILAND_V3:
1572 TRACE("S-Compiland-V3 %s\n", sym->compiland_v3.name);
1573 if (TRACE_ON(dbghelp_msc))
1574 {
1575 const char* ptr1 = sym->compiland_v3.name + strlen(sym->compiland_v3.name);
1576 const char* ptr2;
1577 while (*ptr1)
1578 {
1579 ptr2 = ptr1 + strlen(ptr1) + 1;
1580 TRACE("\t%s => %s\n", ptr1, debugstr_a(ptr2));
1581 ptr1 = ptr2 + strlen(ptr2) + 1;
1582 }
1583 }
1584 break;
1585
1586 case S_OBJNAME_V1:
1587 TRACE("S-ObjName %s\n", terminate_string(&sym->objname_v1.p_name));
1588 compiland = symt_new_compiland(msc_dbg->module, 0 /* FIXME */,
1589 source_new(msc_dbg->module, NULL,
1590 terminate_string(&sym->objname_v1.p_name)));
1591 break;
1592
1593 case S_LABEL_V1:
1594 if (curr_func)
1595 {
1596 loc.kind = loc_absolute;
1597 loc.offset = codeview_get_address(msc_dbg, sym->label_v1.segment, sym->label_v1.offset) - curr_func->address;
1598 symt_add_function_point(msc_dbg->module, curr_func, SymTagLabel, &loc,
1599 terminate_string(&sym->label_v1.p_name));
1600 }
1601 else symt_new_label(msc_dbg->module, compiland,
1602 terminate_string(&sym->label_v1.p_name),
1603 codeview_get_address(msc_dbg, sym->label_v1.segment, sym->label_v1.offset));
1604 break;
1605 case S_LABEL_V3:
1606 if (curr_func)
1607 {
1608 loc.kind = loc_absolute;
1609 loc.offset = codeview_get_address(msc_dbg, sym->label_v3.segment, sym->label_v3.offset) - curr_func->address;
1610 symt_add_function_point(msc_dbg->module, curr_func, SymTagLabel,
1611 &loc, sym->label_v3.name);
1612 }
1613 else symt_new_label(msc_dbg->module, compiland, sym->label_v3.name,
1614 codeview_get_address(msc_dbg, sym->label_v3.segment, sym->label_v3.offset));
1615 break;
1616
1617 case S_CONSTANT_V1:
1618 {
1619 int vlen;
1620 const struct p_string* name;
1621 struct symt* se;
1622 VARIANT v;
1623
1624 v.n1.n2.vt = VT_I4;
1625 vlen = numeric_leaf(&v.n1.n2.n3.intVal, &sym->constant_v1.cvalue);
1626 name = (const struct p_string*)((const char*)&sym->constant_v1.cvalue + vlen);
1627 se = codeview_get_type(sym->constant_v1.type, FALSE);
1628
1629 TRACE("S-Constant-V1 %u %s %x\n",
1630 v.n1.n2.n3.intVal, terminate_string(name), sym->constant_v1.type);
1631 symt_new_constant(msc_dbg->module, compiland, terminate_string(name),
1632 se, &v);
1633 }
1634 break;
1635 case S_CONSTANT_V2:
1636 {
1637 int vlen;
1638 const struct p_string* name;
1639 struct symt* se;
1640 VARIANT v;
1641
1642 v.n1.n2.vt = VT_I4;
1643 vlen = numeric_leaf(&v.n1.n2.n3.intVal, &sym->constant_v2.cvalue);
1644 name = (const struct p_string*)((const char*)&sym->constant_v2.cvalue + vlen);
1645 se = codeview_get_type(sym->constant_v2.type, FALSE);
1646
1647 TRACE("S-Constant-V2 %u %s %x\n",
1648 v.n1.n2.n3.intVal, terminate_string(name), sym->constant_v2.type);
1649 symt_new_constant(msc_dbg->module, compiland, terminate_string(name),
1650 se, &v);
1651 }
1652 break;
1653 case S_CONSTANT_V3:
1654 {
1655 int vlen;
1656 const char* name;
1657 struct symt* se;
1658 VARIANT v;
1659
1660 v.n1.n2.vt = VT_I4;
1661 vlen = numeric_leaf(&v.n1.n2.n3.intVal, &sym->constant_v3.cvalue);
1662 name = (const char*)&sym->constant_v3.cvalue + vlen;
1663 se = codeview_get_type(sym->constant_v3.type, FALSE);
1664
1665 TRACE("S-Constant-V3 %u %s %x\n",
1666 v.n1.n2.n3.intVal, name, sym->constant_v3.type);
1667 /* FIXME: we should add this as a constant value */
1668 }
1669 break;
1670
1671 case S_UDT_V1:
1672 if (sym->udt_v1.type)
1673 {
1674 if ((symt = codeview_get_type(sym->udt_v1.type, FALSE)))
1675 symt_new_typedef(msc_dbg->module, symt,
1676 terminate_string(&sym->udt_v1.p_name));
1677 else
1678 FIXME("S-Udt %s: couldn't find type 0x%x\n",
1679 terminate_string(&sym->udt_v1.p_name), sym->udt_v1.type);
1680 }
1681 break;
1682 case S_UDT_V2:
1683 if (sym->udt_v2.type)
1684 {
1685 if ((symt = codeview_get_type(sym->udt_v2.type, FALSE)))
1686 symt_new_typedef(msc_dbg->module, symt,
1687 terminate_string(&sym->udt_v2.p_name));
1688 else
1689 FIXME("S-Udt %s: couldn't find type 0x%x\n",
1690 terminate_string(&sym->udt_v2.p_name), sym->udt_v2.type);
1691 }
1692 break;
1693 case S_UDT_V3:
1694 if (sym->udt_v3.type)
1695 {
1696 if ((symt = codeview_get_type(sym->udt_v3.type, FALSE)))
1697 symt_new_typedef(msc_dbg->module, symt, sym->udt_v3.name);
1698 else
1699 FIXME("S-Udt %s: couldn't find type 0x%x\n",
1700 sym->udt_v3.name, sym->udt_v3.type);
1701 }
1702 break;
1703
1704 /*
1705 * These are special, in that they are always followed by an
1706 * additional length-prefixed string which is *not* included
1707 * into the symbol length count. We need to skip it.
1708 */
1709 case S_PROCREF_V1:
1710 case S_DATAREF_V1:
1711 case S_LPROCREF_V1:
1712 name = (const char*)sym + length;
1713 length += (*name + 1 + 3) & ~3;
1714 break;
1715
1716 case S_MSTOOL_V3: /* just to silence a few warnings */
1717 case S_MSTOOLENV_V3:
1718 break;
1719
1720 case S_SSEARCH_V1:
1721 TRACE("Start search: seg=0x%x at offset 0x%08x\n",
1722 sym->ssearch_v1.segment, sym->ssearch_v1.offset);
1723 break;
1724
1725 case S_ALIGN_V1:
1726 TRACE("S-Align V1\n");
1727 break;
1728
1729 /* the symbols we can safely ignore for now */
1730 case 0x112c:
1731 case S_FUNCINFO_V2:
1732 case S_SECUCOOKIE_V3:
1733 case S_SECTINFO_V3:
1734 case S_SUBSECTINFO_V3:
1735 case 0x1139:
1736 TRACE("Unsupported symbol id %x\n", sym->generic.id);
1737 break;
1738
1739 default:
1740 FIXME("Unsupported symbol id %x\n", sym->generic.id);
1741 dump(sym, 2 + sym->generic.len);
1742 break;
1743 }
1744 }
1745
1746 if (curr_func) symt_normalize_function(msc_dbg->module, curr_func);
1747
1748 HeapFree(GetProcessHeap(), 0, linetab);
1749 return TRUE;
1750 }
1751
1752 static int codeview_snarf_public(const struct msc_debug_info* msc_dbg, const BYTE* root,
1753 int offset, int size)
1754
1755 {
1756 int i, length;
1757 struct symt_compiland* compiland = NULL;
1758
1759 /*
1760 * Loop over the different types of records and whenever we
1761 * find something we are interested in, record it and move on.
1762 */
1763 for (i = offset; i < size; i += length)
1764 {
1765 const union codeview_symbol* sym = (const union codeview_symbol*)(root + i);
1766 length = sym->generic.len + 2;
1767 if (i + length > size) break;
1768 if (!sym->generic.id || length < 4) break;
1769 if (length & 3) FIXME("unpadded len %u\n", length);
1770
1771 switch (sym->generic.id)
1772 {
1773 case S_PUB_V1: /* FIXME is this really a 'data_v1' structure ?? */
1774 if (!(dbghelp_options & SYMOPT_NO_PUBLICS))
1775 {
1776 symt_new_public(msc_dbg->module, compiland,
1777 terminate_string(&sym->data_v1.p_name),
1778 codeview_get_address(msc_dbg, sym->data_v1.segment, sym->data_v1.offset),
1779 1, TRUE /* FIXME */, TRUE /* FIXME */);
1780 }
1781 break;
1782 case S_PUB_V2: /* FIXME is this really a 'data_v2' structure ?? */
1783 if (!(dbghelp_options & SYMOPT_NO_PUBLICS))
1784 {
1785 symt_new_public(msc_dbg->module, compiland,
1786 terminate_string(&sym->data_v2.p_name),
1787 codeview_get_address(msc_dbg, sym->data_v2.segment, sym->data_v2.offset),
1788 1, TRUE /* FIXME */, TRUE /* FIXME */);
1789 }
1790 break;
1791
1792 case S_PUB_V3:
1793 if (!(dbghelp_options & SYMOPT_NO_PUBLICS))
1794 {
1795 symt_new_public(msc_dbg->module, compiland,
1796 sym->data_v3.name,
1797 codeview_get_address(msc_dbg, sym->data_v3.segment, sym->data_v3.offset),
1798 1, FALSE /* FIXME */, FALSE);
1799 }
1800 break;
1801 case S_PUB_FUNC1_V3:
1802 case S_PUB_FUNC2_V3: /* using a data_v3 isn't what we'd expect */
1803 #if 0
1804 /* FIXME: this is plain wrong (from a simple test) */
1805 if (!(dbghelp_options & SYMOPT_NO_PUBLICS))
1806 {
1807 symt_new_public(msc_dbg->module, compiland,
1808 sym->data_v3.name,
1809 codeview_get_address(msc_dbg, sym->data_v3.segment, sym->data_v3.offset),
1810 1, TRUE /* FIXME */, TRUE);
1811 }
1812 #endif
1813 break;
1814 /*
1815 * Global and local data symbols. We don't associate these
1816 * with any given source file.
1817 */
1818 case S_GDATA_V1:
1819 case S_LDATA_V1:
1820 codeview_add_variable(msc_dbg, compiland, terminate_string(&sym->data_v1.p_name),
1821 sym->data_v1.segment, sym->data_v1.offset, sym->data_v1.symtype,
1822 sym->generic.id == S_LDATA_V1, FALSE);
1823 break;
1824 case S_GDATA_V2:
1825 case S_LDATA_V2:
1826 codeview_add_variable(msc_dbg, compiland, terminate_string(&sym->data_v2.p_name),
1827 sym->data_v2.segment, sym->data_v2.offset, sym->data_v2.symtype,
1828 sym->generic.id == S_LDATA_V2, FALSE);
1829 break;
1830 case S_GDATA_V3:
1831 case S_LDATA_V3:
1832 codeview_add_variable(msc_dbg, compiland, sym->data_v3.name,
1833 sym->data_v3.segment, sym->data_v3.offset, sym->data_v3.symtype,
1834 sym->generic.id == S_LDATA_V3, FALSE);
1835 break;
1836 /*
1837 * These are special, in that they are always followed by an
1838 * additional length-prefixed string which is *not* included
1839 * into the symbol length count. We need to skip it.
1840 */
1841 case S_PROCREF_V1:
1842 case S_DATAREF_V1:
1843 case S_LPROCREF_V1:
1844 length += (((const char*)sym)[length] + 1 + 3) & ~3;
1845 break;
1846 }
1847 msc_dbg->module->sortlist_valid = TRUE;
1848 }
1849 msc_dbg->module->sortlist_valid = FALSE;
1850 return TRUE;
1851 }
1852
1853 /*========================================================================
1854 * Process PDB file.
1855 */
1856
1857 static void* pdb_jg_read(const struct PDB_JG_HEADER* pdb, const WORD* block_list,
1858 int size)
1859 {
1860 int i, num_blocks;
1861 BYTE* buffer;
1862
1863 if (!size) return NULL;
1864
1865 num_blocks = (size + pdb->block_size - 1) / pdb->block_size;
1866 buffer = HeapAlloc(GetProcessHeap(), 0, num_blocks * pdb->block_size);
1867
1868 for (i = 0; i < num_blocks; i++)
1869 memcpy(buffer + i * pdb->block_size,
1870 (const char*)pdb + block_list[i] * pdb->block_size, pdb->block_size);
1871
1872 return buffer;
1873 }
1874
1875 static void* pdb_ds_read(const struct PDB_DS_HEADER* pdb, const DWORD* block_list,
1876 int size)
1877 {
1878 int i, num_blocks;
1879 BYTE* buffer;
1880
1881 if (!size) return NULL;
1882
1883 num_blocks = (size + pdb->block_size - 1) / pdb->block_size;
1884 buffer = HeapAlloc(GetProcessHeap(), 0, num_blocks * pdb->block_size);
1885
1886 for (i = 0; i < num_blocks; i++)
1887 memcpy(buffer + i * pdb->block_size,
1888 (const char*)pdb + block_list[i] * pdb->block_size, pdb->block_size);
1889
1890 return buffer;
1891 }
1892
1893 static void* pdb_read_jg_file(const struct PDB_JG_HEADER* pdb,
1894 const struct PDB_JG_TOC* toc, DWORD file_nr)
1895 {
1896 const WORD* block_list;
1897 DWORD i;
1898
1899 if (!toc || file_nr >= toc->num_files) return NULL;
1900
1901 block_list = (const WORD*) &toc->file[toc->num_files];
1902 for (i = 0; i < file_nr; i++)
1903 block_list += (toc->file[i].size + pdb->block_size - 1) / pdb->block_size;
1904
1905 return pdb_jg_read(pdb, block_list, toc->file[file_nr].size);
1906 }
1907
1908 static void* pdb_read_ds_file(const struct PDB_DS_HEADER* pdb,
1909 const struct PDB_DS_TOC* toc, DWORD file_nr)
1910 {
1911 const DWORD* block_list;
1912 DWORD i;
1913
1914 if (!toc || file_nr >= toc->num_files) return NULL;
1915
1916 if (toc->file_size[file_nr] == 0 || toc->file_size[file_nr] == 0xFFFFFFFF)
1917 {
1918 FIXME(">>> requesting NULL stream (%u)\n", file_nr);
1919 return NULL;
1920 }
1921 block_list = &toc->file_size[toc->num_files];
1922 for (i = 0; i < file_nr; i++)
1923 block_list += (toc->file_size[i] + pdb->block_size - 1) / pdb->block_size;
1924
1925 return pdb_ds_read(pdb, block_list, toc->file_size[file_nr]);
1926 }
1927
1928 static void* pdb_read_file(const char* image, const struct pdb_lookup* pdb_lookup,
1929 DWORD file_nr)
1930 {
1931 switch (pdb_lookup->kind)
1932 {
1933 case PDB_JG:
1934 return pdb_read_jg_file((const struct PDB_JG_HEADER*)image,
1935 pdb_lookup->u.jg.toc, file_nr);
1936 case PDB_DS:
1937 return pdb_read_ds_file((const struct PDB_DS_HEADER*)image,
1938 pdb_lookup->u.ds.toc, file_nr);
1939 }
1940 return NULL;
1941 }
1942
1943 static unsigned pdb_get_file_size(const struct pdb_lookup* pdb_lookup, DWORD file_nr)
1944 {
1945 switch (pdb_lookup->kind)
1946 {
1947 case PDB_JG: return pdb_lookup->u.jg.toc->file[file_nr].size;
1948 case PDB_DS: return pdb_lookup->u.ds.toc->file_size[file_nr];
1949 }
1950 return 0;
1951 }
1952
1953 static void pdb_free(void* buffer)
1954 {
1955 HeapFree(GetProcessHeap(), 0, buffer);
1956 }
1957
1958 static void pdb_free_lookup(const struct pdb_lookup* pdb_lookup)
1959 {
1960 switch (pdb_lookup->kind)
1961 {
1962 case PDB_JG:
1963 pdb_free(pdb_lookup->u.jg.toc);
1964 break;
1965 case PDB_DS:
1966 pdb_free(pdb_lookup->u.ds.toc);
1967 break;
1968 }
1969 }
1970
1971 static void pdb_convert_types_header(PDB_TYPES* types, const BYTE* image)
1972 {
1973 memset(types, 0, sizeof(PDB_TYPES));
1974 if (!image) return;
1975
1976 if (*(const DWORD*)image < 19960000) /* FIXME: correct version? */
1977 {
1978 /* Old version of the types record header */
1979 const PDB_TYPES_OLD* old = (const PDB_TYPES_OLD*)image;
1980 types->version = old->version;
1981 types->type_offset = sizeof(PDB_TYPES_OLD);
1982 types->type_size = old->type_size;
1983 types->first_index = old->first_index;
1984 types->last_index = old->last_index;
1985 types->file = old->file;
1986 }
1987 else
1988 {
1989 /* New version of the types record header */
1990 *types = *(const PDB_TYPES*)image;
1991 }
1992 }
1993
1994 static void pdb_convert_symbols_header(PDB_SYMBOLS* symbols,
1995 int* header_size, const BYTE* image)
1996 {
1997 memset(symbols, 0, sizeof(PDB_SYMBOLS));
1998 if (!image) return;
1999
2000 if (*(const DWORD*)image != 0xffffffff)
2001 {
2002 /* Old version of the symbols record header */
2003 const PDB_SYMBOLS_OLD* old = (const PDB_SYMBOLS_OLD*)image;
2004 symbols->version = 0;
2005 symbols->module_size = old->module_size;
2006 symbols->offset_size = old->offset_size;
2007 symbols->hash_size = old->hash_size;
2008 symbols->srcmodule_size = old->srcmodule_size;
2009 symbols->pdbimport_size = 0;
2010 symbols->hash1_file = old->hash1_file;
2011 symbols->hash2_file = old->hash2_file;
2012 symbols->gsym_file = old->gsym_file;
2013
2014 *header_size = sizeof(PDB_SYMBOLS_OLD);
2015 }
2016 else
2017 {
2018 /* New version of the symbols record header */
2019 *symbols = *(const PDB_SYMBOLS*)image;
2020 *header_size = sizeof(PDB_SYMBOLS);
2021 }
2022 }
2023
2024 static void pdb_convert_symbol_file(const PDB_SYMBOLS* symbols,
2025 PDB_SYMBOL_FILE_EX* sfile,
2026 unsigned* size, const void* image)
2027
2028 {
2029 if (symbols->version < 19970000)
2030 {
2031 const PDB_SYMBOL_FILE *sym_file = (const PDB_SYMBOL_FILE*)image;
2032 memset(sfile, 0, sizeof(*sfile));
2033 sfile->file = sym_file->file;
2034 sfile->range.index = sym_file->range.index;
2035 sfile->symbol_size = sym_file->symbol_size;
2036 sfile->lineno_size = sym_file->lineno_size;
2037 *size = sizeof(PDB_SYMBOL_FILE) - 1;
2038 }
2039 else
2040 {
2041 memcpy(sfile, image, sizeof(PDB_SYMBOL_FILE_EX));
2042 *size = sizeof(PDB_SYMBOL_FILE_EX) - 1;
2043 }
2044 }
2045
2046 static HANDLE open_pdb_file(const struct process* pcs,
2047 const struct pdb_lookup* lookup)
2048 {
2049 HANDLE h;
2050 char dbg_file_path[MAX_PATH];
2051 BOOL ret = FALSE;
2052
2053 switch (lookup->kind)
2054 {
2055 case PDB_JG:
2056 ret = path_find_symbol_file(pcs, lookup->filename, NULL, lookup->u.jg.timestamp,
2057 lookup->age, dbg_file_path);
2058 break;
2059 case PDB_DS:
2060 ret = path_find_symbol_file(pcs, lookup->filename, &lookup->u.ds.guid, 0,
2061 lookup->age, dbg_file_path);
2062 break;
2063 }
2064 if (!ret)
2065 {
2066 WARN("\tCouldn't find %s\n", lookup->filename);
2067 return NULL;
2068 }
2069 h = CreateFileA(dbg_file_path, GENERIC_READ, FILE_SHARE_READ, NULL,
2070 OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
2071 TRACE("%s: %s returns %p\n", lookup->filename, dbg_file_path, h);
2072 return (h == INVALID_HANDLE_VALUE) ? NULL : h;
2073 }
2074
2075 static void pdb_process_types(const struct msc_debug_info* msc_dbg,
2076 const char* image, const struct pdb_lookup* pdb_lookup)
2077 {
2078 BYTE* types_image = NULL;
2079
2080 types_image = pdb_read_file(image, pdb_lookup, 2);
2081 if (types_image)
2082 {
2083 PDB_TYPES types;
2084 struct codeview_type_parse ctp;
2085 DWORD total;
2086 const BYTE* ptr;
2087 DWORD* offset;
2088
2089 pdb_convert_types_header(&types, types_image);
2090
2091 /* Check for unknown versions */
2092 switch (types.version)
2093 {
2094 case 19950410: /* VC 4.0 */
2095 case 19951122:
2096 case 19961031: /* VC 5.0 / 6.0 */
2097 case 19990903:
2098 break;
2099 default:
2100 ERR("-Unknown type info version %d\n", types.version);
2101 }
2102
2103 ctp.module = msc_dbg->module;
2104 /* reconstruct the types offset...
2105 * FIXME: maybe it's present in the newest PDB_TYPES structures
2106 */
2107 total = types.last_index - types.first_index + 1;
2108 offset = HeapAlloc(GetProcessHeap(), 0, sizeof(DWORD) * total);
2109 ctp.table = ptr = types_image + types.type_offset;
2110 ctp.num = 0;
2111 while (ptr < ctp.table + types.type_size && ctp.num < total)
2112 {
2113 offset[ctp.num++] = ptr - ctp.table;
2114 ptr += ((const union codeview_type*)ptr)->generic.len + 2;
2115 }
2116 ctp.offset = offset;
2117
2118 /* Read type table */
2119 codeview_parse_type_table(&ctp);
2120 HeapFree(GetProcessHeap(), 0, offset);
2121 pdb_free(types_image);
2122 }
2123 }
2124
2125 static const char PDB_JG_IDENT[] = "Microsoft C/C++ program database 2.00\r\n\032JG\0";
2126 static const char PDB_DS_IDENT[] = "Microsoft C/C++ MSF 7.00\r\n\032DS\0";
2127
2128 /******************************************************************
2129 * pdb_init
2130 *
2131 * Tries to load a pdb file
2132 * if do_fill is TRUE, then it just fills pdb_lookup with the information of the
2133 * file
2134 * if do_fill is FALSE, then it just checks that the kind of PDB (stored in
2135 * pdb_lookup) matches what's really in the file
2136 */
2137 static BOOL pdb_init(struct pdb_lookup* pdb_lookup, const char* image, BOOL do_fill)
2138 {
2139 BOOL ret = TRUE;
2140
2141 /* check the file header, and if ok, load the TOC */
2142 TRACE("PDB(%s): %.40s\n", pdb_lookup->filename, debugstr_an(image, 40));
2143
2144 if (!memcmp(image, PDB_JG_IDENT, sizeof(PDB_JG_IDENT)))
2145 {
2146 const struct PDB_JG_HEADER* pdb = (const struct PDB_JG_HEADER*)image;
2147 struct PDB_JG_ROOT* root;
2148
2149 pdb_lookup->u.jg.toc = pdb_jg_read(pdb, pdb->toc_block, pdb->toc.size);
2150 root = pdb_read_jg_file(pdb, pdb_lookup->u.jg.toc, 1);
2151 if (!root)
2152 {
2153 ERR("-Unable to get root from .PDB in %s\n", pdb_lookup->filename);
2154 return FALSE;
2155 }
2156 switch (root->Version)
2157 {
2158 case 19950623: /* VC 4.0 */
2159 case 19950814:
2160 case 19960307: /* VC 5.0 */
2161 case 19970604: /* VC 6.0 */
2162 break;
2163 default:
2164 ERR("-Unknown root block version %d\n", root->Version);
2165 }
2166 if (do_fill)
2167 {
2168 pdb_lookup->kind = PDB_JG;
2169 pdb_lookup->u.jg.timestamp = root->TimeDateStamp;
2170 pdb_lookup->age = root->Age;
2171 }
2172 else if (pdb_lookup->kind != PDB_JG ||
2173 pdb_lookup->u.jg.timestamp != root->TimeDateStamp ||
2174 pdb_lookup->age != root->Age)
2175 ret = FALSE;
2176 TRACE("found JG/%c for %s: age=%x timestamp=%x\n",
2177 do_fill ? 'f' : '-', pdb_lookup->filename, root->Age,
2178 root->TimeDateStamp);
2179 pdb_free(root);
2180 }
2181 else if (!memcmp(image, PDB_DS_IDENT, sizeof(PDB_DS_IDENT)))
2182 {
2183 const struct PDB_DS_HEADER* pdb = (const struct PDB_DS_HEADER*)image;
2184 struct PDB_DS_ROOT* root;
2185
2186 pdb_lookup->u.ds.toc =
2187 pdb_ds_read(pdb,
2188 (const DWORD*)((const char*)pdb + pdb->toc_page * pdb->block_size),
2189 pdb->toc_size);
2190 root = pdb_read_ds_file(pdb, pdb_lookup->u.ds.toc, 1);
2191 if (!root)
2192 {
2193 ERR("-Unable to get root from .PDB in %s\n", pdb_lookup->filename);
2194 return FALSE;
2195 }
2196 switch (root->Version)
2197 {
2198 case 20000404:
2199 break;
2200 default:
2201 ERR("-Unknown root block version %d\n", root->Version);
2202 }
2203 if (do_fill)
2204 {
2205 pdb_lookup->kind = PDB_DS;
2206 pdb_lookup->u.ds.guid = root->guid;
2207 pdb_lookup->age = root->Age;
2208 }
2209 else if (pdb_lookup->kind != PDB_DS ||
2210 memcmp(&pdb_lookup->u.ds.guid, &root->guid, sizeof(GUID)) ||
2211 pdb_lookup->age != root->Age)
2212 ret = FALSE;
2213 TRACE("found DS/%c for %s: age=%x guid=%s\n",
2214 do_fill ? 'f' : '-', pdb_lookup->filename, root->Age,
2215 debugstr_guid(&root->guid));
2216 pdb_free(root);
2217 }
2218
2219 if (0) /* some tool to dump the internal files from a PDB file */
2220 {
2221 int i, num_files;
2222
2223 switch (pdb_lookup->kind)
2224 {
2225 case PDB_JG: num_files = pdb_lookup->u.jg.toc->num_files; break;
2226 case PDB_DS: num_files = pdb_lookup->u.ds.toc->num_files; break;
2227 }
2228
2229 for (i = 1; i < num_files; i++)
2230 {
2231 unsigned char* x = pdb_read_file(image, pdb_lookup, i);
2232 FIXME("********************** [%u]: size=%08x\n",
2233 i, pdb_get_file_size(pdb_lookup, i));
2234 dump(x, pdb_get_file_size(pdb_lookup, i));
2235 pdb_free(x);
2236 }
2237 }
2238 return ret;
2239 }
2240
2241 static BOOL pdb_process_internal(const struct process* pcs,
2242 const struct msc_debug_info* msc_dbg,
2243 struct pdb_lookup* pdb_lookup,
2244 unsigned module_index);
2245
2246 static void pdb_process_symbol_imports(const struct process* pcs,
2247 const struct msc_debug_info* msc_dbg,
2248 const PDB_SYMBOLS* symbols,
2249 const void* symbols_image,
2250 const char* image,
2251 const struct pdb_lookup* pdb_lookup,
2252 unsigned module_index)
2253 {
2254 if (module_index == -1 && symbols && symbols->pdbimport_size)
2255 {
2256 const PDB_SYMBOL_IMPORT*imp;
2257 const void* first;
2258 const void* last;
2259 const char* ptr;
2260 int i = 0;
2261
2262 imp = (const PDB_SYMBOL_IMPORT*)((const char*)symbols_image + sizeof(PDB_SYMBOLS) +
2263 symbols->module_size + symbols->offset_size +
2264 symbols->hash_size + symbols->srcmodule_size);
2265 first = (const char*)imp;
2266 last = (const char*)imp + symbols->pdbimport_size;
2267 while (imp < (const PDB_SYMBOL_IMPORT*)last)
2268 {
2269 ptr = (const char*)imp + sizeof(*imp) + strlen(imp->filename);
2270 if (i >= CV_MAX_MODULES) FIXME("Out of bounds !!!\n");
2271 if (!strcasecmp(pdb_lookup->filename, imp->filename))
2272 {
2273 if (module_index != -1) FIXME("Twice the entry\n");
2274 else module_index = i;
2275 }
2276 else
2277 {
2278 struct pdb_lookup imp_pdb_lookup;
2279
2280 /* FIXME: this is an import of a JG PDB file
2281 * how's a DS PDB handled ?
2282 */
2283 imp_pdb_lookup.filename = imp->filename;
2284 imp_pdb_lookup.kind = PDB_JG;
2285 imp_pdb_lookup.u.jg.timestamp = imp->TimeDateStamp;
2286 imp_pdb_lookup.age = imp->Age;
2287 TRACE("got for %s: age=%u ts=%x\n",
2288 imp->filename, imp->Age, imp->TimeDateStamp);
2289 pdb_process_internal(pcs, msc_dbg, &imp_pdb_lookup, i);
2290 }
2291 i++;
2292 imp = (const PDB_SYMBOL_IMPORT*)((const char*)first + ((ptr - (const char*)first + strlen(ptr) + 1 + 3) & ~3));
2293 }
2294 }
2295 cv_current_module = &cv_zmodules[(module_index == -1) ? 0 : module_index];
2296 if (cv_current_module->allowed) FIXME("Already allowed ??\n");
2297 cv_current_module->allowed = TRUE;
2298 pdb_process_types(msc_dbg, image, pdb_lookup);
2299 }
2300
2301 static BOOL pdb_process_internal(const struct process* pcs,
2302 const struct msc_debug_info* msc_dbg,
2303 struct pdb_lookup* pdb_lookup,
2304 unsigned module_index)
2305 {
2306 BOOL ret = FALSE;
2307 HANDLE hFile, hMap = NULL;
2308 char* image = NULL;
2309 BYTE* symbols_image = NULL;
2310
2311 TRACE("Processing PDB file %s\n", pdb_lookup->filename);
2312
2313 /* Open and map() .PDB file */
2314 if ((hFile = open_pdb_file(pcs, pdb_lookup)) == NULL ||
2315 ((hMap = CreateFileMappingW(hFile, NULL, PAGE_READONLY, 0, 0, NULL)) == NULL) ||
2316 ((image = MapViewOfFile(hMap, FILE_MAP_READ, 0, 0, 0)) == NULL))
2317 {
2318 WARN("Unable to open .PDB file: %s\n", pdb_lookup->filename);
2319 goto leave;
2320 }
2321 pdb_init(pdb_lookup, image, FALSE);
2322
2323 symbols_image = pdb_read_file(image, pdb_lookup, 3);
2324 if (symbols_image)
2325 {
2326 PDB_SYMBOLS symbols;
2327 BYTE* globalimage;
2328 BYTE* modimage;
2329 BYTE* file;
2330 int header_size = 0;
2331
2332 pdb_convert_symbols_header(&symbols, &header_size, symbols_image);
2333 switch (symbols.version)
2334 {
2335 case 0: /* VC 4.0 */
2336 case 19960307: /* VC 5.0 */
2337 case 19970606: /* VC 6.0 */
2338 case 19990903:
2339 break;
2340 default:
2341 ERR("-Unknown symbol info version %d %08x\n",
2342 symbols.version, symbols.version);
2343 }
2344
2345 pdb_process_symbol_imports(pcs, msc_dbg, &symbols, symbols_image, image, pdb_lookup, module_index);
2346
2347 /* Read global symbol table */
2348 globalimage = pdb_read_file(image, pdb_lookup, symbols.gsym_file);
2349 if (globalimage)
2350 {
2351 codeview_snarf(msc_dbg, globalimage, 0,
2352 pdb_get_file_size(pdb_lookup, symbols.gsym_file), NULL, FALSE);
2353 }
2354
2355 /* Read per-module symbol / linenumber tables */
2356 file = symbols_image + header_size;
2357 while (file - symbols_image < header_size + symbols.module_size)
2358 {
2359 PDB_SYMBOL_FILE_EX sfile;
2360 const char* file_name;
2361 unsigned size;
2362
2363 HeapValidate(GetProcessHeap(), 0, NULL);
2364 pdb_convert_symbol_file(&symbols, &sfile, &size, file);
2365
2366 modimage = pdb_read_file(image, pdb_lookup, sfile.file);
2367 if (modimage)
2368 {
2369 struct codeview_linetab* linetab = NULL;
2370
2371 if (sfile.lineno_size)
2372 linetab = codeview_snarf_linetab(msc_dbg->module,
2373 modimage + sfile.symbol_size,
2374 sfile.lineno_size,
2375 pdb_lookup->kind == PDB_JG);
2376
2377 if (sfile.symbol_size)
2378 codeview_snarf(msc_dbg, modimage, sizeof(DWORD),
2379 sfile.symbol_size, linetab, TRUE);
2380
2381 pdb_free(modimage);
2382 }
2383 file_name = (const char*)file + size;
2384 file_name += strlen(file_name) + 1;
2385 file = (BYTE*)((DWORD)(file_name + strlen(file_name) + 1 + 3) & ~3);
2386 }
2387 /* finish the remaining public and global information */
2388 if (globalimage)
2389 {
2390 codeview_snarf_public(msc_dbg, globalimage, 0,
2391 pdb_get_file_size(pdb_lookup, symbols.gsym_file));
2392
2393 pdb_free(globalimage);
2394 }
2395 }
2396 else
2397 pdb_process_symbol_imports(pcs, msc_dbg, NULL, NULL, image, pdb_lookup,
2398 module_index);
2399 ret = TRUE;
2400
2401 leave:
2402 /* Cleanup */
2403 pdb_free(symbols_image);
2404 pdb_free_lookup(pdb_lookup);
2405
2406 if (image) UnmapViewOfFile(image);
2407 if (hMap) CloseHandle(hMap);
2408 if (hFile) CloseHandle(hFile);
2409
2410 return ret;
2411 }
2412
2413 static BOOL pdb_process_file(const struct process* pcs,
2414 const struct msc_debug_info* msc_dbg,
2415 struct pdb_lookup* pdb_lookup)
2416 {
2417 BOOL ret;
2418
2419 memset(cv_zmodules, 0, sizeof(cv_zmodules));
2420 codeview_init_basic_types(msc_dbg->module);
2421 ret = pdb_process_internal(pcs, msc_dbg, pdb_lookup, -1);
2422 codeview_clear_type_table();
2423 if (ret)
2424 {
2425 msc_dbg->module->module.SymType = SymCv;
2426 if (pdb_lookup->kind == PDB_JG)
2427 msc_dbg->module->module.PdbSig = pdb_lookup->u.jg.timestamp;
2428 else
2429 msc_dbg->module->module.PdbSig70 = pdb_lookup->u.ds.guid;
2430 msc_dbg->module->module.PdbAge = pdb_lookup->age;
2431 MultiByteToWideChar(CP_ACP, 0, pdb_lookup->filename, -1,
2432 msc_dbg->module->module.LoadedPdbName,
2433 sizeof(msc_dbg->module->module.LoadedPdbName) / sizeof(WCHAR));
2434 /* FIXME: we could have a finer grain here */
2435 msc_dbg->module->module.LineNumbers = TRUE;
2436 msc_dbg->module->module.GlobalSymbols = TRUE;
2437 msc_dbg->module->module.TypeInfo = TRUE;
2438 msc_dbg->module->module.SourceIndexed = TRUE;
2439 msc_dbg->module->module.Publics = TRUE;
2440 }
2441 return ret;
2442 }
2443
2444 BOOL pdb_fetch_file_info(struct pdb_lookup* pdb_lookup)
2445 {
2446 HANDLE hFile, hMap = NULL;
2447 char* image = NULL;
2448 BOOL ret = TRUE;
2449
2450 if ((hFile = CreateFileA(pdb_lookup->filename, GENERIC_READ, FILE_SHARE_READ, NULL,
2451 OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL)) == INVALID_HANDLE_VALUE ||
2452 ((hMap = CreateFileMappingW(hFile, NULL, PAGE_READONLY, 0, 0, NULL)) == NULL) ||
2453 ((image = MapViewOfFile(hMap, FILE_MAP_READ, 0, 0, 0)) == NULL))
2454 {
2455 WARN("Unable to open .PDB file: %s\n", pdb_lookup->filename);
2456 ret = FALSE;
2457 }
2458 else
2459 {
2460 pdb_init(pdb_lookup, image, TRUE);
2461 pdb_free_lookup(pdb_lookup);
2462 }
2463
2464 if (image) UnmapViewOfFile(image);
2465 if (hMap) CloseHandle(hMap);
2466 if (hFile != INVALID_HANDLE_VALUE) CloseHandle(hFile);
2467
2468 return ret;
2469 }
2470
2471 /*========================================================================
2472 * Process CodeView debug information.
2473 */
2474
2475 #define MAKESIG(a,b,c,d) ((a) | ((b) << 8) | ((c) << 16) | ((d) << 24))
2476 #define CODEVIEW_NB09_SIG MAKESIG('N','B','0','9')
2477 #define CODEVIEW_NB10_SIG MAKESIG('N','B','1','0')
2478 #define CODEVIEW_NB11_SIG MAKESIG('N','B','1','1')
2479 #define CODEVIEW_RSDS_SIG MAKESIG('R','S','D','S')
2480
2481 static BOOL codeview_process_info(const struct process* pcs,
2482 const struct msc_debug_info* msc_dbg)
2483 {
2484 const DWORD* signature = (const DWORD*)msc_dbg->root;
2485 BOOL ret = FALSE;
2486 struct pdb_lookup pdb_lookup;
2487
2488 TRACE("Processing signature %.4s\n", (const char*)signature);
2489
2490 switch (*signature)
2491 {
2492 case CODEVIEW_NB09_SIG:
2493 case CODEVIEW_NB11_SIG:
2494 {
2495 const OMFSignature* cv = (const OMFSignature*)msc_dbg->root;
2496 const OMFDirHeader* hdr = (const OMFDirHeader*)(msc_dbg->root + cv->filepos);
2497 const OMFDirEntry* ent;
2498 const OMFDirEntry* prev;
2499 const OMFDirEntry* next;
2500 unsigned int i;
2501
2502 codeview_init_basic_types(msc_dbg->module);
2503
2504 for (i = 0; i < hdr->cDir; i++)
2505 {
2506 ent = (const OMFDirEntry*)((const BYTE*)hdr + hdr->cbDirHeader + i * hdr->cbDirEntry);
2507 if (ent->SubSection == sstGlobalTypes)
2508 {
2509 const OMFGlobalTypes* types;
2510 struct codeview_type_parse ctp;
2511
2512 types = (const OMFGlobalTypes*)(msc_dbg->root + ent->lfo);
2513 ctp.module = msc_dbg->module;
2514 ctp.offset = (const DWORD*)(types + 1);
2515 ctp.num = types->cTypes;
2516 ctp.table = (const BYTE*)(ctp.offset + types->cTypes);
2517
2518 cv_current_module = &cv_zmodules[0];
2519 if (cv_current_module->allowed) FIXME("Already allowed ??\n");
2520 cv_current_module->allowed = TRUE;
2521
2522 codeview_parse_type_table(&ctp);
2523 break;
2524 }
2525 }
2526
2527 ent = (const OMFDirEntry*)((const BYTE*)hdr + hdr->cbDirHeader);
2528 for (i = 0; i < hdr->cDir; i++, ent = next)
2529 {
2530 next = (i == hdr->cDir-1) ? NULL :
2531 (const OMFDirEntry*)((const BYTE*)ent + hdr->cbDirEntry);
2532 prev = (i == 0) ? NULL :
2533 (const OMFDirEntry*)((const BYTE*)ent - hdr->cbDirEntry);
2534
2535 if (ent->SubSection == sstAlignSym)
2536 {
2537 /*
2538 * Check the next and previous entry. If either is a
2539 * sstSrcModule, it contains the line number info for
2540 * this file.
2541 *
2542 * FIXME: This is not a general solution!
2543 */
2544 struct codeview_linetab* linetab = NULL;
2545
2546 if (next && next->iMod == ent->iMod &&
2547 next->SubSection == sstSrcModule)
2548 linetab = codeview_snarf_linetab(msc_dbg->module,
2549 msc_dbg->root + next->lfo, next->cb,
2550 TRUE);
2551
2552 if (prev && prev->iMod == ent->iMod &&
2553 prev->SubSection == sstSrcModule)
2554 linetab = codeview_snarf_linetab(msc_dbg->module,
2555 msc_dbg->root + prev->lfo, prev->cb,
2556 TRUE);
2557
2558 codeview_snarf(msc_dbg, msc_dbg->root + ent->lfo, sizeof(DWORD),
2559 ent->cb, linetab, TRUE);
2560 }
2561 }
2562
2563 msc_dbg->module->module.SymType = SymCv;
2564 /* FIXME: we could have a finer grain here */
2565 msc_dbg->module->module.LineNumbers = TRUE;
2566 msc_dbg->module->module.GlobalSymbols = TRUE;
2567 msc_dbg->module->module.TypeInfo = TRUE;
2568 msc_dbg->module->module.SourceIndexed = TRUE;
2569 msc_dbg->module->module.Publics = TRUE;
2570 codeview_clear_type_table();
2571 ret = TRUE;
2572 break;
2573 }
2574
2575 case CODEVIEW_NB10_SIG:
2576 {
2577 const CODEVIEW_PDB_DATA* pdb = (const CODEVIEW_PDB_DATA*)msc_dbg->root;
2578 pdb_lookup.filename = pdb->name;
2579 pdb_lookup.kind = PDB_JG;
2580 pdb_lookup.u.jg.timestamp = pdb->timestamp;
2581 pdb_lookup.u.jg.toc = NULL;
2582 pdb_lookup.age = pdb->age;
2583 ret = pdb_process_file(pcs, msc_dbg, &pdb_lookup);
2584 break;
2585 }
2586 case CODEVIEW_RSDS_SIG:
2587 {
2588 const OMFSignatureRSDS* rsds = (const OMFSignatureRSDS*)msc_dbg->root;
2589
2590 TRACE("Got RSDS type of PDB file: guid=%s age=%08x name=%s\n",
2591 wine_dbgstr_guid(&rsds->guid), rsds->age, rsds->name);
2592 pdb_lookup.filename = rsds->name;
2593 pdb_lookup.kind = PDB_DS;
2594 pdb_lookup.u.ds.guid = rsds->guid;
2595 pdb_lookup.u.ds.toc = NULL;
2596 pdb_lookup.age = rsds->age;
2597 ret = pdb_process_file(pcs, msc_dbg, &pdb_lookup);
2598 break;
2599 }
2600 default:
2601 ERR("Unknown CODEVIEW signature %08x in module %s\n",
2602 *signature, debugstr_w(msc_dbg->module->module.ModuleName));
2603 break;
2604 }
2605 if (ret)
2606 {
2607 msc_dbg->module->module.CVSig = *signature;
2608 memcpy(msc_dbg->module->module.CVData, msc_dbg->root,
2609 sizeof(msc_dbg->module->module.CVData));
2610 }
2611 return ret;
2612 }
2613
2614 /*========================================================================
2615 * Process debug directory.
2616 */
2617 BOOL pe_load_debug_directory(const struct process* pcs, struct module* module,
2618 const BYTE* mapping,
2619 const IMAGE_SECTION_HEADER* sectp, DWORD nsect,
2620 const IMAGE_DEBUG_DIRECTORY* dbg, int nDbg)
2621 {
2622 BOOL ret;
2623 int i;
2624 struct msc_debug_info msc_dbg;
2625
2626 msc_dbg.module = module;
2627 msc_dbg.nsect = nsect;
2628 msc_dbg.sectp = sectp;
2629 msc_dbg.nomap = 0;
2630 msc_dbg.omapp = NULL;
2631
2632 __TRY
2633 {
2634 ret = FALSE;
2635
2636 /* First, watch out for OMAP data */
2637 for (i = 0; i < nDbg; i++)
2638 {
2639 if (dbg[i].Type == IMAGE_DEBUG_TYPE_OMAP_FROM_SRC)
2640 {
2641 msc_dbg.nomap = dbg[i].SizeOfData / sizeof(OMAP_DATA);
2642 msc_dbg.omapp = (const OMAP_DATA*)(mapping + dbg[i].PointerToRawData);
2643 break;
2644 }
2645 }
2646
2647 /* Now, try to parse CodeView debug info */
2648 for (i = 0; i < nDbg; i++)
2649 {
2650 if (dbg[i].Type == IMAGE_DEBUG_TYPE_CODEVIEW)
2651 {
2652 msc_dbg.root = mapping + dbg[i].PointerToRawData;
2653 if ((ret = codeview_process_info(pcs, &msc_dbg))) goto done;
2654 }
2655 }
2656
2657 /* If not found, try to parse COFF debug info */
2658 for (i = 0; i < nDbg; i++)
2659 {
2660 if (dbg[i].Type == IMAGE_DEBUG_TYPE_COFF)
2661 {
2662 msc_dbg.root = mapping + dbg[i].PointerToRawData;
2663 if ((ret = coff_process_info(&msc_dbg))) goto done;
2664 }
2665 }
2666 done:
2667 /* FIXME: this should be supported... this is the debug information for
2668 * functions compiled without a frame pointer (FPO = frame pointer omission)
2669 * the associated data helps finding out the relevant information
2670 */
2671 for (i = 0; i < nDbg; i++)
2672 if (dbg[i].Type == IMAGE_DEBUG_TYPE_FPO)
2673 FIXME("This guy has FPO information\n");
2674 #if 0
2675
2676 #define FRAME_FPO 0
2677 #define FRAME_TRAP 1
2678 #define FRAME_TSS 2
2679
2680 typedef struct _FPO_DATA
2681 {
2682 DWORD ulOffStart; /* offset 1st byte of function code */
2683 DWORD cbProcSize; /* # bytes in function */
2684 DWORD cdwLocals; /* # bytes in locals/4 */
2685 WORD cdwParams; /* # bytes in params/4 */
2686
2687 WORD cbProlog : 8; /* # bytes in prolog */
2688 WORD cbRegs : 3; /* # regs saved */
2689 WORD fHasSEH : 1; /* TRUE if SEH in func */
2690 WORD fUseBP : 1; /* TRUE if EBP has been allocated */
2691 WORD reserved : 1; /* reserved for future use */
2692 WORD cbFrame : 2; /* frame type */
2693 } FPO_DATA;
2694 #endif
2695
2696 }
2697 __EXCEPT_PAGE_FAULT
2698 {
2699 ERR("Got a page fault while loading symbols\n");
2700 ret = FALSE;
2701 }
2702 __ENDTRY
2703 return ret;
2704 }
useful hacks and other patches not (yet) suitable for mainline