wined3d: Do not perform a NULL check on riid (Coverity).
[wine/multimedia.git] / dlls / dbghelp / msc.c
blob3099f0de7f8a1ab0037863e5d7bb1ee616f38384
1 /*
2 * File msc.c - read VC++ debug information from COFF and eventually
3 * from PDB files.
5 * Copyright (C) 1996, Eric Youngdale.
6 * Copyright (C) 1999-2000, Ulrich Weigand.
7 * Copyright (C) 2004-2006, Eric Pouech.
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.
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.
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
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.
30 * TODO:
31 * Get 16 bit CV stuff working.
32 * Add symbol size to internal symbol table.
35 #include "config.h"
36 #include "wine/port.h"
38 #include <assert.h>
39 #include <stdio.h>
40 #include <stdlib.h>
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"
55 #include "wine/exception.h"
56 #include "wine/debug.h"
57 #include "excpt.h"
58 #include "dbghelp_private.h"
59 #include "wine/mscvpdb.h"
61 WINE_DEFAULT_DEBUG_CHANNEL(dbghelp_msc);
63 #define MAX_PATHNAME_LEN 1024
65 /*========================================================================
66 * Debug file access helper routines
69 static void dump(const void* ptr, unsigned len)
71 int i, j;
72 char msg[128];
73 const char* hexof = "0123456789abcdef";
74 const BYTE* x = (const BYTE*)ptr;
76 for (i = 0; i < len; i += 16)
78 sprintf(msg, "%08x: ", i);
79 memset(msg + 10, ' ', 3 * 16 + 1 + 16);
80 for (j = 0; j < min(16, len - i); j++)
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] : '.';
88 msg[10 + 3 * 16] = ' ';
89 msg[10 + 3 * 16 + 1 + 16] = '\0';
90 FIXME("%s\n", msg);
94 /*========================================================================
95 * Process CodeView type information.
98 #define MAX_BUILTIN_TYPES 0x0480
99 #define FIRST_DEFINABLE_TYPE 0x1000
101 static struct symt* cv_basic_types[MAX_BUILTIN_TYPES];
103 struct cv_defined_module
105 BOOL allowed;
106 unsigned int num_defined_types;
107 struct symt** defined_types;
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;
114 static void codeview_init_basic_types(struct module* module)
117 * These are the common builtin types that are used by VC++.
119 cv_basic_types[T_NOTYPE] = NULL;
120 cv_basic_types[T_ABS] = NULL;
121 cv_basic_types[T_VOID] = &symt_new_basic(module, btVoid, "void", 0)->symt;
122 cv_basic_types[T_CHAR] = &symt_new_basic(module, btChar, "char", 1)->symt;
123 cv_basic_types[T_SHORT] = &symt_new_basic(module, btInt, "short int", 2)->symt;
124 cv_basic_types[T_LONG] = &symt_new_basic(module, btInt, "long int", 4)->symt;
125 cv_basic_types[T_QUAD] = &symt_new_basic(module, btInt, "long long int", 8)->symt;
126 cv_basic_types[T_UCHAR] = &symt_new_basic(module, btUInt, "unsigned char", 1)->symt;
127 cv_basic_types[T_USHORT] = &symt_new_basic(module, btUInt, "unsigned short", 2)->symt;
128 cv_basic_types[T_ULONG] = &symt_new_basic(module, btUInt, "unsigned long", 4)->symt;
129 cv_basic_types[T_UQUAD] = &symt_new_basic(module, btUInt, "unsigned long long", 8)->symt;
130 cv_basic_types[T_REAL32] = &symt_new_basic(module, btFloat, "float", 4)->symt;
131 cv_basic_types[T_REAL64] = &symt_new_basic(module, btFloat, "double", 8)->symt;
132 cv_basic_types[T_RCHAR] = &symt_new_basic(module, btInt, "signed char", 1)->symt;
133 cv_basic_types[T_WCHAR] = &symt_new_basic(module, btWChar, "wchar_t", 2)->symt;
134 cv_basic_types[T_INT4] = &symt_new_basic(module, btInt, "INT4", 4)->symt;
135 cv_basic_types[T_UINT4] = &symt_new_basic(module, btUInt, "UINT4", 4)->symt;
137 cv_basic_types[T_32PVOID] = &symt_new_pointer(module, cv_basic_types[T_VOID])->symt;
138 cv_basic_types[T_32PCHAR] = &symt_new_pointer(module, cv_basic_types[T_CHAR])->symt;
139 cv_basic_types[T_32PSHORT] = &symt_new_pointer(module, cv_basic_types[T_SHORT])->symt;
140 cv_basic_types[T_32PLONG] = &symt_new_pointer(module, cv_basic_types[T_LONG])->symt;
141 cv_basic_types[T_32PQUAD] = &symt_new_pointer(module, cv_basic_types[T_QUAD])->symt;
142 cv_basic_types[T_32PUCHAR] = &symt_new_pointer(module, cv_basic_types[T_UCHAR])->symt;
143 cv_basic_types[T_32PUSHORT] = &symt_new_pointer(module, cv_basic_types[T_USHORT])->symt;
144 cv_basic_types[T_32PULONG] = &symt_new_pointer(module, cv_basic_types[T_ULONG])->symt;
145 cv_basic_types[T_32PUQUAD] = &symt_new_pointer(module, cv_basic_types[T_UQUAD])->symt;
146 cv_basic_types[T_32PREAL32] = &symt_new_pointer(module, cv_basic_types[T_REAL32])->symt;
147 cv_basic_types[T_32PREAL64] = &symt_new_pointer(module, cv_basic_types[T_REAL64])->symt;
148 cv_basic_types[T_32PRCHAR] = &symt_new_pointer(module, cv_basic_types[T_RCHAR])->symt;
149 cv_basic_types[T_32PWCHAR] = &symt_new_pointer(module, cv_basic_types[T_WCHAR])->symt;
150 cv_basic_types[T_32PINT4] = &symt_new_pointer(module, cv_basic_types[T_INT4])->symt;
151 cv_basic_types[T_32PUINT4] = &symt_new_pointer(module, cv_basic_types[T_UINT4])->symt;
154 static int numeric_leaf(int* value, const unsigned short int* leaf)
156 unsigned short int type = *leaf++;
157 int length = 2;
159 if (type < LF_NUMERIC)
161 *value = type;
163 else
165 switch (type)
167 case LF_CHAR:
168 length += 1;
169 *value = *(const char*)leaf;
170 break;
172 case LF_SHORT:
173 length += 2;
174 *value = *(const short*)leaf;
175 break;
177 case LF_USHORT:
178 length += 2;
179 *value = *(const unsigned short*)leaf;
180 break;
182 case LF_LONG:
183 length += 4;
184 *value = *(const int*)leaf;
185 break;
187 case LF_ULONG:
188 length += 4;
189 *value = *(const unsigned int*)leaf;
190 break;
192 case LF_QUADWORD:
193 case LF_UQUADWORD:
194 FIXME("Unsupported numeric leaf type %04x\n", type);
195 length += 8;
196 *value = 0; /* FIXME */
197 break;
199 case LF_REAL32:
200 FIXME("Unsupported numeric leaf type %04x\n", type);
201 length += 4;
202 *value = 0; /* FIXME */
203 break;
205 case LF_REAL48:
206 FIXME("Unsupported numeric leaf type %04x\n", type);
207 length += 6;
208 *value = 0; /* FIXME */
209 break;
211 case LF_REAL64:
212 FIXME("Unsupported numeric leaf type %04x\n", type);
213 length += 8;
214 *value = 0; /* FIXME */
215 break;
217 case LF_REAL80:
218 FIXME("Unsupported numeric leaf type %04x\n", type);
219 length += 10;
220 *value = 0; /* FIXME */
221 break;
223 case LF_REAL128:
224 FIXME("Unsupported numeric leaf type %04x\n", type);
225 length += 16;
226 *value = 0; /* FIXME */
227 break;
229 case LF_COMPLEX32:
230 FIXME("Unsupported numeric leaf type %04x\n", type);
231 length += 4;
232 *value = 0; /* FIXME */
233 break;
235 case LF_COMPLEX64:
236 FIXME("Unsupported numeric leaf type %04x\n", type);
237 length += 8;
238 *value = 0; /* FIXME */
239 break;
241 case LF_COMPLEX80:
242 FIXME("Unsupported numeric leaf type %04x\n", type);
243 length += 10;
244 *value = 0; /* FIXME */
245 break;
247 case LF_COMPLEX128:
248 FIXME("Unsupported numeric leaf type %04x\n", type);
249 length += 16;
250 *value = 0; /* FIXME */
251 break;
253 case LF_VARSTRING:
254 FIXME("Unsupported numeric leaf type %04x\n", type);
255 length += 2 + *leaf;
256 *value = 0; /* FIXME */
257 break;
259 default:
260 FIXME("Unknown numeric leaf type %04x\n", type);
261 *value = 0;
262 break;
266 return length;
269 /* convert a pascal string (as stored in debug information) into
270 * a C string (null terminated).
272 static const char* terminate_string(const struct p_string* p_name)
274 static char symname[256];
276 memcpy(symname, p_name->name, p_name->namelen);
277 symname[p_name->namelen] = '\0';
279 return (!*symname || strcmp(symname, "__unnamed") == 0) ? NULL : symname;
282 static struct symt* codeview_get_type(unsigned int typeno, BOOL quiet)
284 struct symt* symt = NULL;
287 * Convert Codeview type numbers into something we can grok internally.
288 * Numbers < FIRST_DEFINABLE_TYPE are all fixed builtin types.
289 * Numbers from FIRST_DEFINABLE_TYPE and up are all user defined (structs, etc).
291 if (typeno < FIRST_DEFINABLE_TYPE)
293 if (typeno < MAX_BUILTIN_TYPES)
294 symt = cv_basic_types[typeno];
296 else
298 unsigned mod_index = typeno >> 24;
299 unsigned mod_typeno = typeno & 0x00FFFFFF;
300 struct cv_defined_module* mod;
302 mod = (mod_index == 0) ? cv_current_module : &cv_zmodules[mod_index];
304 if (mod_index >= CV_MAX_MODULES || !mod->allowed)
305 FIXME("Module of index %d isn't loaded yet (%x)\n", mod_index, typeno);
306 else
308 if (mod_typeno - FIRST_DEFINABLE_TYPE < mod->num_defined_types)
309 symt = mod->defined_types[mod_typeno - FIRST_DEFINABLE_TYPE];
312 if (!quiet && !symt && typeno) FIXME("Returning NULL symt for type-id %x\n", typeno);
313 return symt;
316 struct codeview_type_parse
318 struct module* module;
319 const BYTE* table;
320 const DWORD* offset;
321 DWORD num;
324 static inline const void* codeview_jump_to_type(struct codeview_type_parse* ctp, DWORD idx)
326 if (idx < FIRST_DEFINABLE_TYPE) return NULL;
327 idx -= FIRST_DEFINABLE_TYPE;
328 return (idx >= ctp->num) ? NULL : (ctp->table + ctp->offset[idx]);
331 static int codeview_add_type(unsigned int typeno, struct symt* dt)
333 if (typeno < FIRST_DEFINABLE_TYPE)
334 FIXME("What the heck\n");
335 if (!cv_current_module)
337 FIXME("Adding %x to non allowed module\n", typeno);
338 return FALSE;
340 if ((typeno >> 24) != 0)
341 FIXME("No module index while inserting type-id assumption is wrong %x\n",
342 typeno);
343 while (typeno - FIRST_DEFINABLE_TYPE >= cv_current_module->num_defined_types)
345 cv_current_module->num_defined_types += 0x100;
346 if (cv_current_module->defined_types)
347 cv_current_module->defined_types = (struct symt**)
348 HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
349 cv_current_module->defined_types,
350 cv_current_module->num_defined_types * sizeof(struct symt*));
351 else
352 cv_current_module->defined_types = (struct symt**)
353 HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
354 cv_current_module->num_defined_types * sizeof(struct symt*));
356 if (cv_current_module->defined_types == NULL) return FALSE;
358 if (cv_current_module->defined_types[typeno - FIRST_DEFINABLE_TYPE])
360 if (cv_current_module->defined_types[typeno - FIRST_DEFINABLE_TYPE] != dt)
361 FIXME("Overwritting at %x\n", typeno);
363 cv_current_module->defined_types[typeno - FIRST_DEFINABLE_TYPE] = dt;
364 return TRUE;
367 static void codeview_clear_type_table(void)
369 int i;
371 for (i = 0; i < CV_MAX_MODULES; i++)
373 if (cv_zmodules[i].allowed)
374 HeapFree(GetProcessHeap(), 0, cv_zmodules[i].defined_types);
375 cv_zmodules[i].allowed = FALSE;
376 cv_zmodules[i].defined_types = NULL;
377 cv_zmodules[i].num_defined_types = 0;
379 cv_current_module = NULL;
382 static struct symt* codeview_parse_one_type(struct codeview_type_parse* ctp,
383 unsigned curr_type,
384 const union codeview_type* type, BOOL details);
386 static void* codeview_cast_symt(struct symt* symt, enum SymTagEnum tag)
388 if (symt->tag != tag)
390 FIXME("Bad tag. Expected %d, but got %d\n", tag, symt->tag);
391 return NULL;
393 return symt;
396 static struct symt* codeview_fetch_type(struct codeview_type_parse* ctp,
397 unsigned typeno)
399 struct symt* symt;
400 const union codeview_type* p;
402 if (!typeno) return NULL;
403 if ((symt = codeview_get_type(typeno, TRUE))) return symt;
405 /* forward declaration */
406 if (!(p = codeview_jump_to_type(ctp, typeno)))
408 FIXME("Cannot locate type %x\n", typeno);
409 return NULL;
411 symt = codeview_parse_one_type(ctp, typeno, p, FALSE);
412 if (!symt) FIXME("Couldn't load forward type %x\n", typeno);
413 return symt;
416 static struct symt* codeview_add_type_pointer(struct codeview_type_parse* ctp,
417 struct symt* existing,
418 unsigned int pointee_type)
420 struct symt* pointee;
422 if (existing)
424 existing = codeview_cast_symt(existing, SymTagPointerType);
425 return existing;
427 pointee = codeview_fetch_type(ctp, pointee_type);
428 return &symt_new_pointer(ctp->module, pointee)->symt;
431 static struct symt* codeview_add_type_array(struct codeview_type_parse* ctp,
432 const char* name,
433 unsigned int elemtype,
434 unsigned int indextype,
435 unsigned int arr_len)
437 struct symt* elem = codeview_fetch_type(ctp, elemtype);
438 struct symt* index = codeview_fetch_type(ctp, indextype);
439 DWORD arr_max = 0;
441 if (elem)
443 DWORD64 elem_size;
444 symt_get_info(elem, TI_GET_LENGTH, &elem_size);
445 if (elem_size) arr_max = arr_len / (DWORD)elem_size;
447 return &symt_new_array(ctp->module, 0, arr_max, elem, index)->symt;
450 static int codeview_add_type_enum_field_list(struct module* module,
451 struct symt_enum* symt,
452 const union codeview_reftype* ref_type)
454 const unsigned char* ptr = ref_type->fieldlist.list;
455 const unsigned char* last = (const BYTE*)ref_type + ref_type->generic.len + 2;
456 const union codeview_fieldtype* type;
458 while (ptr < last)
460 if (*ptr >= 0xf0) /* LF_PAD... */
462 ptr += *ptr & 0x0f;
463 continue;
466 type = (const union codeview_fieldtype*)ptr;
468 switch (type->generic.id)
470 case LF_ENUMERATE_V1:
472 int value, vlen = numeric_leaf(&value, &type->enumerate_v1.value);
473 const struct p_string* p_name = (const struct p_string*)((const unsigned char*)&type->enumerate_v1.value + vlen);
475 symt_add_enum_element(module, symt, terminate_string(p_name), value);
476 ptr += 2 + 2 + vlen + (1 + p_name->namelen);
477 break;
479 case LF_ENUMERATE_V3:
481 int value, vlen = numeric_leaf(&value, &type->enumerate_v3.value);
482 const char* name = (const char*)&type->enumerate_v3.value + vlen;
484 symt_add_enum_element(module, symt, name, value);
485 ptr += 2 + 2 + vlen + (1 + strlen(name));
486 break;
489 default:
490 FIXME("Unsupported type %04x in ENUM field list\n", type->generic.id);
491 return FALSE;
494 return TRUE;
497 static void codeview_add_udt_element(struct codeview_type_parse* ctp,
498 struct symt_udt* symt, const char* name,
499 int value, unsigned type)
501 struct symt* subtype;
502 const union codeview_reftype*cv_type;
504 if ((cv_type = codeview_jump_to_type(ctp, type)))
506 switch (cv_type->generic.id)
508 case LF_BITFIELD_V1:
509 symt_add_udt_element(ctp->module, symt, name,
510 codeview_fetch_type(ctp, cv_type->bitfield_v1.type),
511 cv_type->bitfield_v1.bitoff,
512 cv_type->bitfield_v1.nbits);
513 return;
514 case LF_BITFIELD_V2:
515 symt_add_udt_element(ctp->module, symt, name,
516 codeview_fetch_type(ctp, cv_type->bitfield_v2.type),
517 cv_type->bitfield_v2.bitoff,
518 cv_type->bitfield_v2.nbits);
519 return;
522 subtype = codeview_fetch_type(ctp, type);
524 if (subtype)
526 DWORD64 elem_size = 0;
527 symt_get_info(subtype, TI_GET_LENGTH, &elem_size);
528 symt_add_udt_element(ctp->module, symt, name, subtype,
529 value << 3, (DWORD)elem_size << 3);
533 static int codeview_add_type_struct_field_list(struct codeview_type_parse* ctp,
534 struct symt_udt* symt,
535 unsigned fieldlistno)
537 const unsigned char* ptr;
538 const unsigned char* last;
539 int value, leaf_len;
540 const struct p_string* p_name;
541 const char* c_name;
542 const union codeview_reftype*type_ref;
543 const union codeview_fieldtype* type;
545 if (!fieldlistno) return TRUE;
546 type_ref = codeview_jump_to_type(ctp, fieldlistno);
547 ptr = type_ref->fieldlist.list;
548 last = (const BYTE*)type_ref + type_ref->generic.len + 2;
550 while (ptr < last)
552 if (*ptr >= 0xf0) /* LF_PAD... */
554 ptr += *ptr & 0x0f;
555 continue;
558 type = (const union codeview_fieldtype*)ptr;
560 switch (type->generic.id)
562 case LF_BCLASS_V1:
563 leaf_len = numeric_leaf(&value, &type->bclass_v1.offset);
565 /* FIXME: ignored for now */
567 ptr += 2 + 2 + 2 + leaf_len;
568 break;
570 case LF_BCLASS_V2:
571 leaf_len = numeric_leaf(&value, &type->bclass_v2.offset);
573 /* FIXME: ignored for now */
575 ptr += 2 + 2 + 4 + leaf_len;
576 break;
578 case LF_VBCLASS_V1:
579 case LF_IVBCLASS_V1:
581 const unsigned short int* p_vboff;
582 int vpoff, vplen;
583 leaf_len = numeric_leaf(&value, &type->vbclass_v1.vbpoff);
584 p_vboff = (const unsigned short int*)((const char*)&type->vbclass_v1.vbpoff + leaf_len);
585 vplen = numeric_leaf(&vpoff, p_vboff);
587 /* FIXME: ignored for now */
589 ptr += 2 + 2 + 2 + 2 + leaf_len + vplen;
591 break;
593 case LF_VBCLASS_V2:
594 case LF_IVBCLASS_V2:
596 const unsigned short int* p_vboff;
597 int vpoff, vplen;
598 leaf_len = numeric_leaf(&value, &type->vbclass_v2.vbpoff);
599 p_vboff = (const unsigned short int*)((const char*)&type->vbclass_v2.vbpoff + leaf_len);
600 vplen = numeric_leaf(&vpoff, p_vboff);
602 /* FIXME: ignored for now */
604 ptr += 2 + 2 + 4 + 4 + leaf_len + vplen;
606 break;
608 case LF_MEMBER_V1:
609 leaf_len = numeric_leaf(&value, &type->member_v1.offset);
610 p_name = (const struct p_string*)((const char*)&type->member_v1.offset + leaf_len);
612 codeview_add_udt_element(ctp, symt, terminate_string(p_name), value,
613 type->member_v1.type);
615 ptr += 2 + 2 + 2 + leaf_len + (1 + p_name->namelen);
616 break;
618 case LF_MEMBER_V2:
619 leaf_len = numeric_leaf(&value, &type->member_v2.offset);
620 p_name = (const struct p_string*)((const unsigned char*)&type->member_v2.offset + leaf_len);
622 codeview_add_udt_element(ctp, symt, terminate_string(p_name), value,
623 type->member_v2.type);
625 ptr += 2 + 2 + 4 + leaf_len + (1 + p_name->namelen);
626 break;
628 case LF_MEMBER_V3:
629 leaf_len = numeric_leaf(&value, &type->member_v3.offset);
630 c_name = (const char*)&type->member_v3.offset + leaf_len;
632 codeview_add_udt_element(ctp, symt, c_name, value, type->member_v3.type);
634 ptr += 2 + 2 + 4 + leaf_len + (strlen(c_name) + 1);
635 break;
637 case LF_STMEMBER_V1:
638 /* FIXME: ignored for now */
639 ptr += 2 + 2 + 2 + (1 + type->stmember_v1.p_name.namelen);
640 break;
642 case LF_STMEMBER_V2:
643 /* FIXME: ignored for now */
644 ptr += 2 + 4 + 2 + (1 + type->stmember_v2.p_name.namelen);
645 break;
647 case LF_METHOD_V1:
648 /* FIXME: ignored for now */
649 ptr += 2 + 2 + 2 + (1 + type->method_v1.p_name.namelen);
650 break;
652 case LF_METHOD_V2:
653 /* FIXME: ignored for now */
654 ptr += 2 + 2 + 4 + (1 + type->method_v2.p_name.namelen);
655 break;
657 case LF_NESTTYPE_V1:
658 /* FIXME: ignored for now */
659 ptr += 2 + 2 + (1 + type->nesttype_v1.p_name.namelen);
660 break;
662 case LF_NESTTYPE_V2:
663 /* FIXME: ignored for now */
664 ptr += 2 + 2 + 4 + (1 + type->nesttype_v2.p_name.namelen);
665 break;
667 case LF_VFUNCTAB_V1:
668 /* FIXME: ignored for now */
669 ptr += 2 + 2;
670 break;
672 case LF_VFUNCTAB_V2:
673 /* FIXME: ignored for now */
674 ptr += 2 + 2 + 4;
675 break;
677 case LF_ONEMETHOD_V1:
678 /* FIXME: ignored for now */
679 switch ((type->onemethod_v1.attribute >> 2) & 7)
681 case 4: case 6: /* (pure) introducing virtual method */
682 ptr += 2 + 2 + 2 + 4 + (1 + type->onemethod_virt_v1.p_name.namelen);
683 break;
685 default:
686 ptr += 2 + 2 + 2 + (1 + type->onemethod_v1.p_name.namelen);
687 break;
689 break;
691 case LF_ONEMETHOD_V2:
692 /* FIXME: ignored for now */
693 switch ((type->onemethod_v2.attribute >> 2) & 7)
695 case 4: case 6: /* (pure) introducing virtual method */
696 ptr += 2 + 2 + 4 + 4 + (1 + type->onemethod_virt_v2.p_name.namelen);
697 break;
699 default:
700 ptr += 2 + 2 + 4 + (1 + type->onemethod_v2.p_name.namelen);
701 break;
703 break;
705 default:
706 FIXME("Unsupported type %04x in STRUCT field list\n", type->generic.id);
707 return FALSE;
711 return TRUE;
714 static struct symt* codeview_add_type_enum(struct codeview_type_parse* ctp,
715 struct symt* existing,
716 const char* name,
717 unsigned fieldlistno)
719 struct symt_enum* symt;
721 if (existing)
723 if (!(symt = codeview_cast_symt(existing, SymTagEnum))) return NULL;
724 /* should also check that all fields are the same */
726 else
728 symt = symt_new_enum(ctp->module, name);
729 if (fieldlistno)
731 const union codeview_reftype* fieldlist;
732 fieldlist = codeview_jump_to_type(ctp, fieldlistno);
733 codeview_add_type_enum_field_list(ctp->module, symt, fieldlist);
736 return &symt->symt;
739 static struct symt* codeview_add_type_struct(struct codeview_type_parse* ctp,
740 struct symt* existing,
741 const char* name, int structlen,
742 enum UdtKind kind)
744 struct symt_udt* symt;
746 if (existing)
748 if (!(symt = codeview_cast_symt(existing, SymTagUDT))) return NULL;
749 /* should also check that all fields are the same */
751 else symt = symt_new_udt(ctp->module, name, structlen, kind);
753 return &symt->symt;
756 static struct symt* codeview_new_func_signature(struct codeview_type_parse* ctp,
757 struct symt* existing,
758 unsigned ret_type,
759 unsigned args_list,
760 enum CV_call_e call_conv)
762 struct symt_function_signature* sym;
763 const union codeview_reftype* reftype;
765 if (existing)
767 sym = codeview_cast_symt(existing, SymTagFunctionType);
768 if (!sym) return NULL;
770 else
772 sym = symt_new_function_signature(ctp->module,
773 codeview_fetch_type(ctp, ret_type),
774 call_conv);
776 if (args_list && (reftype = codeview_jump_to_type(ctp, args_list)))
778 int i;
779 switch (reftype->generic.id)
781 case LF_ARGLIST_V1:
782 for (i = 0; i < reftype->arglist_v1.num; i++)
783 symt_add_function_signature_parameter(ctp->module, sym,
784 codeview_fetch_type(ctp, reftype->arglist_v1.args[i]));
785 break;
786 case LF_ARGLIST_V2:
787 for (i = 0; i < reftype->arglist_v2.num; i++)
788 symt_add_function_signature_parameter(ctp->module, sym,
789 codeview_fetch_type(ctp, reftype->arglist_v2.args[i]));
790 break;
791 default:
792 FIXME("Unexpected leaf %x for signature's pmt\n", reftype->generic.id);
796 return &sym->symt;
799 static struct symt* codeview_parse_one_type(struct codeview_type_parse* ctp,
800 unsigned curr_type,
801 const union codeview_type* type, BOOL details)
803 struct symt* symt;
804 int value, leaf_len;
805 const struct p_string* p_name;
806 const char* c_name;
807 struct symt* existing;
809 existing = codeview_get_type(curr_type, TRUE);
811 switch (type->generic.id)
813 case LF_MODIFIER_V1:
814 /* FIXME: we don't handle modifiers,
815 * but readd previous type on the curr_type
817 WARN("Modifier on %x: %s%s%s%s\n",
818 type->modifier_v1.type,
819 type->modifier_v1.attribute & 0x01 ? "const " : "",
820 type->modifier_v1.attribute & 0x02 ? "volatile " : "",
821 type->modifier_v1.attribute & 0x04 ? "unaligned " : "",
822 type->modifier_v1.attribute & ~0x07 ? "unknown " : "");
823 if (!(symt = codeview_get_type(type->modifier_v1.type, TRUE)))
824 symt = codeview_parse_one_type(ctp, type->modifier_v1.type,
825 codeview_jump_to_type(ctp, type->modifier_v1.type), details);
826 break;
827 case LF_MODIFIER_V2:
828 /* FIXME: we don't handle modifiers, but readd previous type on the curr_type */
829 WARN("Modifier on %x: %s%s%s%s\n",
830 type->modifier_v2.type,
831 type->modifier_v2.attribute & 0x01 ? "const " : "",
832 type->modifier_v2.attribute & 0x02 ? "volatile " : "",
833 type->modifier_v2.attribute & 0x04 ? "unaligned " : "",
834 type->modifier_v2.attribute & ~0x07 ? "unknown " : "");
835 if (!(symt = codeview_get_type(type->modifier_v2.type, TRUE)))
836 symt = codeview_parse_one_type(ctp, type->modifier_v2.type,
837 codeview_jump_to_type(ctp, type->modifier_v2.type), details);
838 break;
840 case LF_POINTER_V1:
841 symt = codeview_add_type_pointer(ctp, existing, type->pointer_v1.datatype);
842 break;
843 case LF_POINTER_V2:
844 symt = codeview_add_type_pointer(ctp, existing, type->pointer_v2.datatype);
845 break;
847 case LF_ARRAY_V1:
848 if (existing) symt = codeview_cast_symt(existing, SymTagArrayType);
849 else
851 leaf_len = numeric_leaf(&value, &type->array_v1.arrlen);
852 p_name = (const struct p_string*)((const unsigned char*)&type->array_v1.arrlen + leaf_len);
853 symt = codeview_add_type_array(ctp, terminate_string(p_name),
854 type->array_v1.elemtype,
855 type->array_v1.idxtype, value);
857 break;
858 case LF_ARRAY_V2:
859 if (existing) symt = codeview_cast_symt(existing, SymTagArrayType);
860 else
862 leaf_len = numeric_leaf(&value, &type->array_v2.arrlen);
863 p_name = (const struct p_string*)((const unsigned char*)&type->array_v2.arrlen + leaf_len);
865 symt = codeview_add_type_array(ctp, terminate_string(p_name),
866 type->array_v2.elemtype,
867 type->array_v2.idxtype, value);
869 break;
870 case LF_ARRAY_V3:
871 if (existing) symt = codeview_cast_symt(existing, SymTagArrayType);
872 else
874 leaf_len = numeric_leaf(&value, &type->array_v3.arrlen);
875 c_name = (const char*)&type->array_v3.arrlen + leaf_len;
877 symt = codeview_add_type_array(ctp, c_name,
878 type->array_v3.elemtype,
879 type->array_v3.idxtype, value);
881 break;
883 case LF_STRUCTURE_V1:
884 case LF_CLASS_V1:
885 leaf_len = numeric_leaf(&value, &type->struct_v1.structlen);
886 p_name = (const struct p_string*)((const unsigned char*)&type->struct_v1.structlen + leaf_len);
887 symt = codeview_add_type_struct(ctp, existing, terminate_string(p_name), value,
888 type->generic.id == LF_CLASS_V1 ? UdtClass : UdtStruct);
889 if (details)
891 codeview_add_type(curr_type, symt);
892 codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
893 type->struct_v1.fieldlist);
895 break;
897 case LF_STRUCTURE_V2:
898 case LF_CLASS_V2:
899 leaf_len = numeric_leaf(&value, &type->struct_v2.structlen);
900 p_name = (const struct p_string*)((const unsigned char*)&type->struct_v2.structlen + leaf_len);
901 symt = codeview_add_type_struct(ctp, existing, terminate_string(p_name), value,
902 type->generic.id == LF_CLASS_V2 ? UdtClass : UdtStruct);
903 if (details)
905 codeview_add_type(curr_type, symt);
906 codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
907 type->struct_v2.fieldlist);
909 break;
911 case LF_STRUCTURE_V3:
912 case LF_CLASS_V3:
913 leaf_len = numeric_leaf(&value, &type->struct_v3.structlen);
914 c_name = (const char*)&type->struct_v3.structlen + leaf_len;
915 symt = codeview_add_type_struct(ctp, existing, c_name, value,
916 type->generic.id == LF_CLASS_V3 ? UdtClass : UdtStruct);
917 if (details)
919 codeview_add_type(curr_type, symt);
920 codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
921 type->struct_v3.fieldlist);
923 break;
925 case LF_UNION_V1:
926 leaf_len = numeric_leaf(&value, &type->union_v1.un_len);
927 p_name = (const struct p_string*)((const unsigned char*)&type->union_v1.un_len + leaf_len);
928 symt = codeview_add_type_struct(ctp, existing, terminate_string(p_name),
929 value, UdtUnion);
930 if (details)
932 codeview_add_type(curr_type, symt);
933 codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
934 type->union_v1.fieldlist);
936 break;
938 case LF_UNION_V2:
939 leaf_len = numeric_leaf(&value, &type->union_v2.un_len);
940 p_name = (const struct p_string*)((const unsigned char*)&type->union_v2.un_len + leaf_len);
941 symt = codeview_add_type_struct(ctp, existing, terminate_string(p_name),
942 value, UdtUnion);
943 if (details)
945 codeview_add_type(curr_type, symt);
946 codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
947 type->union_v2.fieldlist);
949 break;
951 case LF_UNION_V3:
952 leaf_len = numeric_leaf(&value, &type->union_v3.un_len);
953 c_name = (const char*)&type->union_v3.un_len + leaf_len;
954 symt = codeview_add_type_struct(ctp, existing, c_name,
955 value, UdtUnion);
956 if (details)
958 codeview_add_type(curr_type, symt);
959 codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
960 type->union_v3.fieldlist);
962 break;
964 case LF_ENUM_V1:
965 symt = codeview_add_type_enum(ctp, existing,
966 terminate_string(&type->enumeration_v1.p_name),
967 type->enumeration_v1.fieldlist);
968 break;
970 case LF_ENUM_V2:
971 symt = codeview_add_type_enum(ctp, existing,
972 terminate_string(&type->enumeration_v2.p_name),
973 type->enumeration_v2.fieldlist);
974 break;
976 case LF_ENUM_V3:
977 symt = codeview_add_type_enum(ctp, existing, type->enumeration_v3.name,
978 type->enumeration_v3.fieldlist);
979 break;
981 case LF_PROCEDURE_V1:
982 symt = codeview_new_func_signature(ctp, existing,
983 type->procedure_v1.rvtype,
984 details ? type->procedure_v1.arglist : 0,
985 type->procedure_v1.call);
986 break;
987 case LF_PROCEDURE_V2:
988 symt = codeview_new_func_signature(ctp, existing,
989 type->procedure_v2.rvtype,
990 details ? type->procedure_v2.arglist : 0,
991 type->procedure_v2.call);
992 break;
993 case LF_MFUNCTION_V1:
994 /* FIXME: for C++, this is plain wrong, but as we don't use arg types
995 * nor class information, this would just do for now
997 symt = codeview_new_func_signature(ctp, existing,
998 type->mfunction_v1.rvtype,
999 details ? type->mfunction_v1.arglist : 0,
1000 type->mfunction_v1.call);
1001 break;
1002 case LF_MFUNCTION_V2:
1003 /* FIXME: for C++, this is plain wrong, but as we don't use arg types
1004 * nor class information, this would just do for now
1006 symt = codeview_new_func_signature(ctp, existing,
1007 type->mfunction_v2.rvtype,
1008 details ? type->mfunction_v2.arglist : 0,
1009 type->mfunction_v2.call);
1010 break;
1012 case LF_VTSHAPE_V1:
1013 /* this is an ugly hack... FIXME when we have C++ support */
1014 if (!(symt = existing))
1016 char buf[128];
1017 snprintf(buf, sizeof(buf), "__internal_vt_shape_%x\n", curr_type);
1018 symt = &symt_new_udt(ctp->module, buf, 0, UdtStruct)->symt;
1020 break;
1021 default:
1022 FIXME("Unsupported type-id leaf %x\n", type->generic.id);
1023 dump(type, 2 + type->generic.len);
1024 return FALSE;
1026 return codeview_add_type(curr_type, symt) ? symt : NULL;
1029 static int codeview_parse_type_table(struct codeview_type_parse* ctp)
1031 unsigned int curr_type = FIRST_DEFINABLE_TYPE;
1032 const union codeview_type* type;
1034 for (curr_type = FIRST_DEFINABLE_TYPE; curr_type < FIRST_DEFINABLE_TYPE + ctp->num; curr_type++)
1036 type = codeview_jump_to_type(ctp, curr_type);
1038 /* type records we're interested in are the ones referenced by symbols
1039 * The known ranges are (X mark the ones we want):
1040 * X 0000-0016 for V1 types
1041 * 0200-020c for V1 types referenced by other types
1042 * 0400-040f for V1 types (complex lists & sets)
1043 * X 1000-100f for V2 types
1044 * 1200-120c for V2 types referenced by other types
1045 * 1400-140f for V1 types (complex lists & sets)
1046 * X 1500-150d for V3 types
1047 * 8000-8010 for numeric leafes
1049 if (type->generic.id & 0x8600) continue;
1050 codeview_parse_one_type(ctp, curr_type, type, TRUE);
1053 return TRUE;
1056 /*========================================================================
1057 * Process CodeView line number information.
1060 static struct codeview_linetab* codeview_snarf_linetab(struct module* module,
1061 const BYTE* linetab, int size,
1062 BOOL pascal_str)
1064 int file_segcount;
1065 char filename[PATH_MAX];
1066 const unsigned int* filetab;
1067 const struct p_string* p_fn;
1068 int i;
1069 int k;
1070 struct codeview_linetab* lt_hdr;
1071 const unsigned int* lt_ptr;
1072 int nfile;
1073 int nseg;
1074 union any_size pnt;
1075 union any_size pnt2;
1076 const struct startend* start;
1077 int this_seg;
1078 unsigned source;
1081 * Now get the important bits.
1083 pnt.uc = linetab;
1084 nfile = *pnt.s++;
1085 nseg = *pnt.s++;
1087 filetab = (const unsigned int*) pnt.c;
1090 * Now count up the number of segments in the file.
1092 nseg = 0;
1093 for (i = 0; i < nfile; i++)
1095 pnt2.uc = linetab + filetab[i];
1096 nseg += *pnt2.s;
1100 * Next allocate the header we will be returning.
1101 * There is one header for each segment, so that we can reach in
1102 * and pull bits as required.
1104 lt_hdr = (struct codeview_linetab*)
1105 HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, (nseg + 1) * sizeof(*lt_hdr));
1106 if (lt_hdr == NULL)
1108 goto leave;
1112 * Now fill the header we will be returning, one for each segment.
1113 * Note that this will basically just contain pointers into the existing
1114 * line table, and we do not actually copy any additional information
1115 * or allocate any additional memory.
1118 this_seg = 0;
1119 for (i = 0; i < nfile; i++)
1122 * Get the pointer into the segment information.
1124 pnt2.uc = linetab + filetab[i];
1125 file_segcount = *pnt2.s;
1127 pnt2.ui++;
1128 lt_ptr = (const unsigned int*) pnt2.c;
1129 start = (const struct startend*)(lt_ptr + file_segcount);
1132 * Now snarf the filename for all of the segments for this file.
1134 if (pascal_str)
1136 p_fn = (const struct p_string*)(start + file_segcount);
1137 memset(filename, 0, sizeof(filename));
1138 memcpy(filename, p_fn->name, p_fn->namelen);
1139 source = source_new(module, NULL, filename);
1141 else
1142 source = source_new(module, NULL, (const char*)(start + file_segcount));
1144 for (k = 0; k < file_segcount; k++, this_seg++)
1146 pnt2.uc = linetab + lt_ptr[k];
1147 lt_hdr[this_seg].start = start[k].start;
1148 lt_hdr[this_seg].end = start[k].end;
1149 lt_hdr[this_seg].source = source;
1150 lt_hdr[this_seg].segno = *pnt2.s++;
1151 lt_hdr[this_seg].nline = *pnt2.s++;
1152 lt_hdr[this_seg].offtab = pnt2.ui;
1153 lt_hdr[this_seg].linetab = (const unsigned short*)(pnt2.ui + lt_hdr[this_seg].nline);
1157 leave:
1159 return lt_hdr;
1163 /*========================================================================
1164 * Process CodeView symbol information.
1167 static unsigned int codeview_map_offset(const struct msc_debug_info* msc_dbg,
1168 unsigned int offset)
1170 int nomap = msc_dbg->nomap;
1171 const OMAP_DATA* omapp = msc_dbg->omapp;
1172 int i;
1174 if (!nomap || !omapp) return offset;
1176 /* FIXME: use binary search */
1177 for (i = 0; i < nomap - 1; i++)
1178 if (omapp[i].from <= offset && omapp[i+1].from > offset)
1179 return !omapp[i].to ? 0 : omapp[i].to + (offset - omapp[i].from);
1181 return 0;
1184 static const struct codeview_linetab*
1185 codeview_get_linetab(const struct codeview_linetab* linetab,
1186 unsigned seg, unsigned offset)
1189 * Check whether we have line number information
1191 if (linetab)
1193 for (; linetab->linetab; linetab++)
1194 if (linetab->segno == seg &&
1195 linetab->start <= offset && linetab->end > offset)
1196 break;
1197 if (!linetab->linetab) linetab = NULL;
1199 return linetab;
1202 static unsigned codeview_get_address(const struct msc_debug_info* msc_dbg,
1203 unsigned seg, unsigned offset)
1205 int nsect = msc_dbg->nsect;
1206 const IMAGE_SECTION_HEADER* sectp = msc_dbg->sectp;
1208 if (!seg || seg > nsect) return 0;
1209 return msc_dbg->module->module.BaseOfImage +
1210 codeview_map_offset(msc_dbg, sectp[seg-1].VirtualAddress + offset);
1213 static void codeview_add_func_linenum(struct module* module,
1214 struct symt_function* func,
1215 const struct codeview_linetab* linetab,
1216 unsigned offset, unsigned size)
1218 unsigned int i;
1220 if (!linetab) return;
1221 for (i = 0; i < linetab->nline; i++)
1223 if (linetab->offtab[i] >= offset && linetab->offtab[i] < offset + size)
1225 symt_add_func_line(module, func, linetab->source,
1226 linetab->linetab[i], linetab->offtab[i] - offset);
1231 static int codeview_snarf(const struct msc_debug_info* msc_dbg, const BYTE* root,
1232 int offset, int size,
1233 struct codeview_linetab* linetab)
1235 struct symt_function* curr_func = NULL;
1236 int i, length;
1237 const struct codeview_linetab* flt;
1238 struct symt_block* block = NULL;
1239 struct symt* symt;
1240 const char* name;
1241 struct symt_compiland* compiland = NULL;
1242 struct location loc;
1245 * Loop over the different types of records and whenever we
1246 * find something we are interested in, record it and move on.
1248 for (i = offset; i < size; i += length)
1250 const union codeview_symbol* sym = (const union codeview_symbol*)(root + i);
1251 length = sym->generic.len + 2;
1252 if (i + length > size) break;
1253 if (length & 3) FIXME("unpadded len %u\n", length);
1255 switch (sym->generic.id)
1258 * Global and local data symbols. We don't associate these
1259 * with any given source file.
1261 case S_GDATA_V1:
1262 case S_LDATA_V1:
1263 symt_new_global_variable(msc_dbg->module, compiland,
1264 terminate_string(&sym->data_v1.p_name), sym->generic.id == S_LDATA_V1,
1265 codeview_get_address(msc_dbg, sym->data_v1.segment, sym->data_v1.offset),
1267 codeview_get_type(sym->data_v1.symtype, FALSE));
1268 break;
1269 case S_GDATA_V2:
1270 case S_LDATA_V2:
1271 name = terminate_string(&sym->data_v2.p_name);
1272 if (name)
1273 symt_new_global_variable(msc_dbg->module, compiland,
1274 name, sym->generic.id == S_LDATA_V2,
1275 codeview_get_address(msc_dbg, sym->data_v2.segment, sym->data_v2.offset),
1277 codeview_get_type(sym->data_v2.symtype, FALSE));
1278 break;
1279 case S_GDATA_V3:
1280 case S_LDATA_V3:
1281 if (*sym->data_v3.name)
1282 symt_new_global_variable(msc_dbg->module, compiland,
1283 sym->data_v3.name,
1284 sym->generic.id == S_LDATA_V3,
1285 codeview_get_address(msc_dbg, sym->data_v3.segment, sym->data_v3.offset),
1287 codeview_get_type(sym->data_v3.symtype, FALSE));
1288 break;
1290 case S_PUB_V1: /* FIXME is this really a 'data_v1' structure ?? */
1291 if (!(dbghelp_options & SYMOPT_NO_PUBLICS))
1293 symt_new_public(msc_dbg->module, compiland,
1294 terminate_string(&sym->data_v1.p_name),
1295 codeview_get_address(msc_dbg, sym->data_v1.segment, sym->data_v1.offset),
1296 1, TRUE /* FIXME */, TRUE /* FIXME */);
1298 break;
1299 case S_PUB_V2: /* FIXME is this really a 'data_v2' structure ?? */
1300 if (!(dbghelp_options & SYMOPT_NO_PUBLICS))
1302 symt_new_public(msc_dbg->module, compiland,
1303 terminate_string(&sym->data_v2.p_name),
1304 codeview_get_address(msc_dbg, sym->data_v2.segment, sym->data_v2.offset),
1305 1, TRUE /* FIXME */, TRUE /* FIXME */);
1307 break;
1310 * Sort of like a global function, but it just points
1311 * to a thunk, which is a stupid name for what amounts to
1312 * a PLT slot in the normal jargon that everyone else uses.
1314 case S_THUNK_V1:
1315 symt_new_thunk(msc_dbg->module, compiland,
1316 terminate_string(&sym->thunk_v1.p_name), sym->thunk_v1.thtype,
1317 codeview_get_address(msc_dbg, sym->thunk_v1.segment, sym->thunk_v1.offset),
1318 sym->thunk_v1.thunk_len);
1319 break;
1320 case S_THUNK_V3:
1321 symt_new_thunk(msc_dbg->module, compiland,
1322 sym->thunk_v3.name, sym->thunk_v3.thtype,
1323 codeview_get_address(msc_dbg, sym->thunk_v3.segment, sym->thunk_v3.offset),
1324 sym->thunk_v3.thunk_len);
1325 break;
1328 * Global and static functions.
1330 case S_GPROC_V1:
1331 case S_LPROC_V1:
1332 flt = codeview_get_linetab(linetab, sym->proc_v1.segment, sym->proc_v1.offset);
1333 if (curr_func) FIXME("nested function\n");
1334 curr_func = symt_new_function(msc_dbg->module, compiland,
1335 terminate_string(&sym->proc_v1.p_name),
1336 codeview_get_address(msc_dbg, sym->proc_v1.segment, sym->proc_v1.offset),
1337 sym->proc_v1.proc_len,
1338 codeview_get_type(sym->proc_v1.proctype, FALSE));
1339 codeview_add_func_linenum(msc_dbg->module, curr_func, flt,
1340 sym->proc_v1.offset, sym->proc_v1.proc_len);
1341 loc.kind = loc_absolute;
1342 loc.offset = sym->proc_v1.debug_start;
1343 symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugStart, &loc, NULL);
1344 loc.offset = sym->proc_v1.debug_end;
1345 symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugEnd, &loc, NULL);
1346 break;
1347 case S_GPROC_V2:
1348 case S_LPROC_V2:
1349 flt = codeview_get_linetab(linetab, sym->proc_v2.segment, sym->proc_v2.offset);
1350 if (curr_func) FIXME("nested function\n");
1351 curr_func = symt_new_function(msc_dbg->module, compiland,
1352 terminate_string(&sym->proc_v2.p_name),
1353 codeview_get_address(msc_dbg, sym->proc_v2.segment, sym->proc_v2.offset),
1354 sym->proc_v2.proc_len,
1355 codeview_get_type(sym->proc_v2.proctype, FALSE));
1356 codeview_add_func_linenum(msc_dbg->module, curr_func, flt,
1357 sym->proc_v2.offset, sym->proc_v2.proc_len);
1358 loc.kind = loc_absolute;
1359 loc.offset = sym->proc_v2.debug_start;
1360 symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugStart, &loc, NULL);
1361 loc.offset = sym->proc_v2.debug_end;
1362 symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugEnd, &loc, NULL);
1363 break;
1364 case S_GPROC_V3:
1365 case S_LPROC_V3:
1366 flt = codeview_get_linetab(linetab, sym->proc_v3.segment, sym->proc_v3.offset);
1367 if (curr_func) FIXME("nested function\n");
1368 curr_func = symt_new_function(msc_dbg->module, compiland,
1369 sym->proc_v3.name,
1370 codeview_get_address(msc_dbg, sym->proc_v3.segment, sym->proc_v3.offset),
1371 sym->proc_v3.proc_len,
1372 codeview_get_type(sym->proc_v3.proctype, FALSE));
1373 codeview_add_func_linenum(msc_dbg->module, curr_func, flt,
1374 sym->proc_v3.offset, sym->proc_v3.proc_len);
1375 loc.kind = loc_absolute;
1376 loc.offset = sym->proc_v3.debug_start;
1377 symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugStart, &loc, NULL);
1378 loc.offset = sym->proc_v3.debug_end;
1379 symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugEnd, &loc, NULL);
1380 break;
1382 * Function parameters and stack variables.
1384 case S_BPREL_V1:
1385 loc.kind = loc_regrel;
1386 loc.reg = 0; /* FIXME */
1387 loc.offset = sym->stack_v1.offset;
1388 symt_add_func_local(msc_dbg->module, curr_func,
1389 sym->stack_v1.offset > 0 ? DataIsParam : DataIsLocal,
1390 &loc, block,
1391 codeview_get_type(sym->stack_v1.symtype, FALSE),
1392 terminate_string(&sym->stack_v1.p_name));
1393 break;
1394 case S_BPREL_V2:
1395 loc.kind = loc_regrel;
1396 loc.reg = 0; /* FIXME */
1397 loc.offset = sym->stack_v2.offset;
1398 symt_add_func_local(msc_dbg->module, curr_func,
1399 sym->stack_v2.offset > 0 ? DataIsParam : DataIsLocal,
1400 &loc, block,
1401 codeview_get_type(sym->stack_v2.symtype, FALSE),
1402 terminate_string(&sym->stack_v2.p_name));
1403 break;
1404 case S_BPREL_V3:
1405 loc.kind = loc_regrel;
1406 loc.reg = 0; /* FIXME */
1407 loc.offset = sym->stack_v3.offset;
1408 symt_add_func_local(msc_dbg->module, curr_func,
1409 sym->stack_v3.offset > 0 ? DataIsParam : DataIsLocal,
1410 &loc, block,
1411 codeview_get_type(sym->stack_v3.symtype, FALSE),
1412 sym->stack_v3.name);
1413 break;
1415 case S_REGISTER_V1:
1416 loc.kind = loc_register;
1417 loc.reg = sym->register_v1.reg;
1418 loc.offset = 0;
1419 symt_add_func_local(msc_dbg->module, curr_func,
1420 DataIsLocal, &loc,
1421 block, codeview_get_type(sym->register_v1.type, FALSE),
1422 terminate_string(&sym->register_v1.p_name));
1423 break;
1424 case S_REGISTER_V2:
1425 loc.kind = loc_register;
1426 loc.reg = sym->register_v2.reg;
1427 loc.offset = 0;
1428 symt_add_func_local(msc_dbg->module, curr_func,
1429 DataIsLocal, &loc,
1430 block, codeview_get_type(sym->register_v2.type, FALSE),
1431 terminate_string(&sym->register_v2.p_name));
1432 break;
1434 case S_BLOCK_V1:
1435 block = symt_open_func_block(msc_dbg->module, curr_func, block,
1436 codeview_get_address(msc_dbg, sym->block_v1.segment, sym->block_v1.offset),
1437 sym->block_v1.length);
1438 break;
1439 case S_BLOCK_V3:
1440 block = symt_open_func_block(msc_dbg->module, curr_func, block,
1441 codeview_get_address(msc_dbg, sym->block_v3.segment, sym->block_v3.offset),
1442 sym->block_v3.length);
1443 break;
1445 case S_END_V1:
1446 if (block)
1448 block = symt_close_func_block(msc_dbg->module, curr_func, block, 0);
1450 else if (curr_func)
1452 symt_normalize_function(msc_dbg->module, curr_func);
1453 curr_func = NULL;
1455 break;
1457 case S_COMPILAND_V1:
1458 TRACE("S-Compiland-V1 %x %s\n",
1459 sym->compiland_v1.unknown, terminate_string(&sym->compiland_v1.p_name));
1460 break;
1462 case S_COMPILAND_V2:
1463 TRACE("S-Compiland-V2 %s\n", terminate_string(&sym->compiland_v2.p_name));
1464 if (TRACE_ON(dbghelp_msc))
1466 const char* ptr1 = sym->compiland_v2.p_name.name + sym->compiland_v2.p_name.namelen;
1467 const char* ptr2;
1468 while (*ptr1)
1470 ptr2 = ptr1 + strlen(ptr1) + 1;
1471 TRACE("\t%s => %s\n", ptr1, ptr2);
1472 ptr1 = ptr2 + strlen(ptr2) + 1;
1475 break;
1476 case S_COMPILAND_V3:
1477 TRACE("S-Compiland-V3 %s\n", sym->compiland_v3.name);
1478 if (TRACE_ON(dbghelp_msc))
1480 const char* ptr1 = sym->compiland_v3.name + strlen(sym->compiland_v3.name);
1481 const char* ptr2;
1482 while (*ptr1)
1484 ptr2 = ptr1 + strlen(ptr1) + 1;
1485 TRACE("\t%s => %s\n", ptr1, ptr2);
1486 ptr1 = ptr2 + strlen(ptr2) + 1;
1489 break;
1491 case S_OBJNAME_V1:
1492 TRACE("S-ObjName %s\n", terminate_string(&sym->objname_v1.p_name));
1493 compiland = symt_new_compiland(msc_dbg->module, 0 /* FIXME */,
1494 source_new(msc_dbg->module, NULL,
1495 terminate_string(&sym->objname_v1.p_name)));
1496 break;
1498 case S_LABEL_V1:
1499 if (curr_func)
1501 loc.kind = loc_absolute;
1502 loc.offset = codeview_get_address(msc_dbg, sym->label_v1.segment, sym->label_v1.offset) - curr_func->address;
1503 symt_add_function_point(msc_dbg->module, curr_func, SymTagLabel, &loc,
1504 terminate_string(&sym->label_v1.p_name));
1506 else
1507 FIXME("No current function for label %s\n",
1508 terminate_string(&sym->label_v1.p_name));
1509 break;
1510 case S_LABEL_V3:
1511 if (curr_func)
1513 loc.kind = loc_absolute;
1514 loc.offset = codeview_get_address(msc_dbg, sym->label_v3.segment, sym->label_v3.offset) - curr_func->address;
1515 symt_add_function_point(msc_dbg->module, curr_func, SymTagLabel,
1516 &loc, sym->label_v3.name);
1518 else
1519 FIXME("No current function for label %s\n", sym->label_v3.name);
1520 break;
1522 case S_CONSTANT_V1:
1524 int vlen;
1525 const struct p_string* name;
1526 struct symt* se;
1527 VARIANT v;
1529 v.n1.n2.vt = VT_I4;
1530 vlen = numeric_leaf(&v.n1.n2.n3.intVal, &sym->constant_v1.cvalue);
1531 name = (const struct p_string*)((const char*)&sym->constant_v1.cvalue + vlen);
1532 se = codeview_get_type(sym->constant_v1.type, FALSE);
1534 TRACE("S-Constant-V1 %u %s %x\n",
1535 v.n1.n2.n3.intVal, terminate_string(name), sym->constant_v1.type);
1536 symt_new_constant(msc_dbg->module, compiland, terminate_string(name),
1537 se, &v);
1539 break;
1540 case S_CONSTANT_V2:
1542 int vlen;
1543 const struct p_string* name;
1544 struct symt* se;
1545 VARIANT v;
1547 v.n1.n2.vt = VT_I4;
1548 vlen = numeric_leaf(&v.n1.n2.n3.intVal, &sym->constant_v2.cvalue);
1549 name = (const struct p_string*)((const char*)&sym->constant_v2.cvalue + vlen);
1550 se = codeview_get_type(sym->constant_v2.type, FALSE);
1552 TRACE("S-Constant-V2 %u %s %x\n",
1553 v.n1.n2.n3.intVal, terminate_string(name), sym->constant_v2.type);
1554 symt_new_constant(msc_dbg->module, compiland, terminate_string(name),
1555 se, &v);
1557 break;
1558 case S_CONSTANT_V3:
1560 int vlen;
1561 const char* name;
1562 struct symt* se;
1563 VARIANT v;
1565 v.n1.n2.vt = VT_I4;
1566 vlen = numeric_leaf(&v.n1.n2.n3.intVal, &sym->constant_v3.cvalue);
1567 name = (const char*)&sym->constant_v3.cvalue + vlen;
1568 se = codeview_get_type(sym->constant_v3.type, FALSE);
1570 TRACE("S-Constant-V3 %u %s %x\n",
1571 v.n1.n2.n3.intVal, name, sym->constant_v3.type);
1572 /* FIXME: we should add this as a constant value */
1574 break;
1576 case S_UDT_V1:
1577 if (sym->udt_v1.type)
1579 if ((symt = codeview_get_type(sym->udt_v1.type, FALSE)))
1580 symt_new_typedef(msc_dbg->module, symt,
1581 terminate_string(&sym->udt_v1.p_name));
1582 else
1583 FIXME("S-Udt %s: couldn't find type 0x%x\n",
1584 terminate_string(&sym->udt_v1.p_name), sym->udt_v1.type);
1586 break;
1587 case S_UDT_V2:
1588 if (sym->udt_v2.type)
1590 if ((symt = codeview_get_type(sym->udt_v2.type, FALSE)))
1591 symt_new_typedef(msc_dbg->module, symt,
1592 terminate_string(&sym->udt_v2.p_name));
1593 else
1594 FIXME("S-Udt %s: couldn't find type 0x%x\n",
1595 terminate_string(&sym->udt_v2.p_name), sym->udt_v2.type);
1597 break;
1598 case S_UDT_V3:
1599 if (sym->udt_v3.type)
1601 if ((symt = codeview_get_type(sym->udt_v3.type, FALSE)))
1602 symt_new_typedef(msc_dbg->module, symt, sym->udt_v3.name);
1603 else
1604 FIXME("S-Udt %s: couldn't find type 0x%x\n",
1605 sym->udt_v3.name, sym->udt_v3.type);
1607 break;
1610 * These are special, in that they are always followed by an
1611 * additional length-prefixed string which is *not* included
1612 * into the symbol length count. We need to skip it.
1614 case S_PROCREF_V1:
1615 case S_DATAREF_V1:
1616 case S_LPROCREF_V1:
1617 name = (const char*)sym + length;
1618 length += (*name + 1 + 3) & ~3;
1619 break;
1621 case S_PUB_V3:
1622 if (!(dbghelp_options & SYMOPT_NO_PUBLICS))
1624 symt_new_public(msc_dbg->module, compiland,
1625 sym->data_v3.name,
1626 codeview_get_address(msc_dbg, sym->data_v3.segment, sym->data_v3.offset),
1627 1, FALSE /* FIXME */, FALSE);
1629 break;
1630 case S_PUB_FUNC1_V3:
1631 case S_PUB_FUNC2_V3: /* using a data_v3 isn't what we'd expect */
1632 if (!(dbghelp_options & SYMOPT_NO_PUBLICS))
1634 symt_new_public(msc_dbg->module, compiland,
1635 sym->data_v3.name,
1636 codeview_get_address(msc_dbg, sym->data_v3.segment, sym->data_v3.offset),
1637 1, TRUE /* FIXME */, TRUE);
1639 break;
1641 case S_MSTOOL_V3: /* just to silence a few warnings */
1642 break;
1644 case S_SSEARCH_V1:
1645 TRACE("Start search: seg=0x%x at offset 0x%08x\n",
1646 sym->ssearch_v1.segment, sym->ssearch_v1.offset);
1647 break;
1649 case S_ALIGN_V1:
1650 TRACE("S-Align V1\n");
1651 break;
1653 default:
1654 FIXME("Unsupported symbol id %x\n", sym->generic.id);
1655 dump(sym, 2 + sym->generic.len);
1656 break;
1660 if (curr_func) symt_normalize_function(msc_dbg->module, curr_func);
1662 HeapFree(GetProcessHeap(), 0, linetab);
1663 return TRUE;
1666 /*========================================================================
1667 * Process PDB file.
1670 static void* pdb_jg_read(const struct PDB_JG_HEADER* pdb, const WORD* block_list,
1671 int size)
1673 int i, num_blocks;
1674 BYTE* buffer;
1676 if (!size) return NULL;
1678 num_blocks = (size + pdb->block_size - 1) / pdb->block_size;
1679 buffer = HeapAlloc(GetProcessHeap(), 0, num_blocks * pdb->block_size);
1681 for (i = 0; i < num_blocks; i++)
1682 memcpy(buffer + i * pdb->block_size,
1683 (const char*)pdb + block_list[i] * pdb->block_size, pdb->block_size);
1685 return buffer;
1688 static void* pdb_ds_read(const struct PDB_DS_HEADER* pdb, const DWORD* block_list,
1689 int size)
1691 int i, num_blocks;
1692 BYTE* buffer;
1694 if (!size) return NULL;
1696 num_blocks = (size + pdb->block_size - 1) / pdb->block_size;
1697 buffer = HeapAlloc(GetProcessHeap(), 0, num_blocks * pdb->block_size);
1699 for (i = 0; i < num_blocks; i++)
1700 memcpy(buffer + i * pdb->block_size,
1701 (const char*)pdb + block_list[i] * pdb->block_size, pdb->block_size);
1703 return buffer;
1706 static void* pdb_read_jg_file(const struct PDB_JG_HEADER* pdb,
1707 const struct PDB_JG_TOC* toc, DWORD file_nr)
1709 const WORD* block_list;
1710 DWORD i;
1712 if (!toc || file_nr >= toc->num_files) return NULL;
1714 block_list = (const WORD*) &toc->file[toc->num_files];
1715 for (i = 0; i < file_nr; i++)
1716 block_list += (toc->file[i].size + pdb->block_size - 1) / pdb->block_size;
1718 return pdb_jg_read(pdb, block_list, toc->file[file_nr].size);
1721 static void* pdb_read_ds_file(const struct PDB_DS_HEADER* pdb,
1722 const struct PDB_DS_TOC* toc, DWORD file_nr)
1724 const DWORD* block_list;
1725 DWORD i;
1727 if (!toc || file_nr >= toc->num_files) return NULL;
1729 if (toc->file_size[file_nr] == 0 || toc->file_size[file_nr] == 0xFFFFFFFF)
1731 FIXME(">>> requesting NULL stream (%u)\n", file_nr);
1732 return NULL;
1734 block_list = &toc->file_size[toc->num_files];
1735 for (i = 0; i < file_nr; i++)
1736 block_list += (toc->file_size[i] + pdb->block_size - 1) / pdb->block_size;
1738 return pdb_ds_read(pdb, block_list, toc->file_size[file_nr]);
1741 static void* pdb_read_file(const char* image, const struct pdb_lookup* pdb_lookup,
1742 DWORD file_nr)
1744 switch (pdb_lookup->kind)
1746 case PDB_JG:
1747 return pdb_read_jg_file((const struct PDB_JG_HEADER*)image,
1748 pdb_lookup->u.jg.toc, file_nr);
1749 case PDB_DS:
1750 return pdb_read_ds_file((const struct PDB_DS_HEADER*)image,
1751 pdb_lookup->u.ds.toc, file_nr);
1753 return NULL;
1756 static unsigned pdb_get_file_size(const struct pdb_lookup* pdb_lookup, DWORD file_nr)
1758 switch (pdb_lookup->kind)
1760 case PDB_JG: return pdb_lookup->u.jg.toc->file[file_nr].size;
1761 case PDB_DS: return pdb_lookup->u.ds.toc->file_size[file_nr];
1763 return 0;
1766 static void pdb_free(void* buffer)
1768 HeapFree(GetProcessHeap(), 0, buffer);
1771 static void pdb_free_lookup(const struct pdb_lookup* pdb_lookup)
1773 switch (pdb_lookup->kind)
1775 case PDB_JG:
1776 pdb_free(pdb_lookup->u.jg.toc);
1777 break;
1778 case PDB_DS:
1779 pdb_free(pdb_lookup->u.ds.toc);
1780 break;
1784 static void pdb_convert_types_header(PDB_TYPES* types, const BYTE* image)
1786 memset(types, 0, sizeof(PDB_TYPES));
1787 if (!image) return;
1789 if (*(const DWORD*)image < 19960000) /* FIXME: correct version? */
1791 /* Old version of the types record header */
1792 const PDB_TYPES_OLD* old = (const PDB_TYPES_OLD*)image;
1793 types->version = old->version;
1794 types->type_offset = sizeof(PDB_TYPES_OLD);
1795 types->type_size = old->type_size;
1796 types->first_index = old->first_index;
1797 types->last_index = old->last_index;
1798 types->file = old->file;
1800 else
1802 /* New version of the types record header */
1803 *types = *(const PDB_TYPES*)image;
1807 static void pdb_convert_symbols_header(PDB_SYMBOLS* symbols,
1808 int* header_size, const BYTE* image)
1810 memset(symbols, 0, sizeof(PDB_SYMBOLS));
1811 if (!image) return;
1813 if (*(const DWORD*)image != 0xffffffff)
1815 /* Old version of the symbols record header */
1816 const PDB_SYMBOLS_OLD* old = (const PDB_SYMBOLS_OLD*)image;
1817 symbols->version = 0;
1818 symbols->module_size = old->module_size;
1819 symbols->offset_size = old->offset_size;
1820 symbols->hash_size = old->hash_size;
1821 symbols->srcmodule_size = old->srcmodule_size;
1822 symbols->pdbimport_size = 0;
1823 symbols->hash1_file = old->hash1_file;
1824 symbols->hash2_file = old->hash2_file;
1825 symbols->gsym_file = old->gsym_file;
1827 *header_size = sizeof(PDB_SYMBOLS_OLD);
1829 else
1831 /* New version of the symbols record header */
1832 *symbols = *(const PDB_SYMBOLS*)image;
1833 *header_size = sizeof(PDB_SYMBOLS);
1837 static void pdb_convert_symbol_file(const PDB_SYMBOLS* symbols,
1838 PDB_SYMBOL_FILE_EX* sfile,
1839 unsigned* size, const void* image)
1842 if (symbols->version < 19970000)
1844 const PDB_SYMBOL_FILE *sym_file = (const PDB_SYMBOL_FILE*)image;
1845 memset(sfile, 0, sizeof(*sfile));
1846 sfile->file = sym_file->file;
1847 sfile->range.index = sym_file->range.index;
1848 sfile->symbol_size = sym_file->symbol_size;
1849 sfile->lineno_size = sym_file->lineno_size;
1850 *size = sizeof(PDB_SYMBOL_FILE) - 1;
1852 else
1854 memcpy(sfile, image, sizeof(PDB_SYMBOL_FILE_EX));
1855 *size = sizeof(PDB_SYMBOL_FILE_EX) - 1;
1859 static BOOL CALLBACK pdb_match(char* file, void* user)
1861 /* accept first file that exists */
1862 HANDLE h = CreateFileA(file, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
1863 TRACE("match with %s returns %p\n", file, h);
1864 if (INVALID_HANDLE_VALUE != h) {
1865 CloseHandle(h);
1866 return FALSE;
1868 return TRUE;
1871 static HANDLE open_pdb_file(const struct process* pcs,
1872 const struct pdb_lookup* lookup)
1874 HANDLE h;
1875 char dbg_file_path[MAX_PATH];
1876 BOOL ret = FALSE;
1878 switch (lookup->kind)
1880 case PDB_JG:
1881 ret = SymFindFileInPath(pcs->handle, NULL, lookup->filename,
1882 (PVOID)(DWORD_PTR)lookup->u.jg.timestamp,
1883 lookup->age, 0, SSRVOPT_DWORD,
1884 dbg_file_path, pdb_match, NULL);
1885 break;
1886 case PDB_DS:
1887 ret = SymFindFileInPath(pcs->handle, NULL, lookup->filename,
1888 (PVOID)&lookup->u.ds.guid, lookup->age, 0,
1889 SSRVOPT_GUIDPTR, dbg_file_path, pdb_match, NULL);
1890 break;
1892 if (!ret)
1894 WARN("\tCouldn't find %s\n", lookup->filename);
1895 return NULL;
1897 h = CreateFileA(dbg_file_path, GENERIC_READ, FILE_SHARE_READ, NULL,
1898 OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
1899 TRACE("%s: %s returns %p\n", lookup->filename, dbg_file_path, h);
1900 return (h == INVALID_HANDLE_VALUE) ? NULL : h;
1903 static void pdb_process_types(const struct msc_debug_info* msc_dbg,
1904 const char* image, struct pdb_lookup* pdb_lookup)
1906 BYTE* types_image = NULL;
1908 types_image = pdb_read_file(image, pdb_lookup, 2);
1909 if (types_image)
1911 PDB_TYPES types;
1912 struct codeview_type_parse ctp;
1913 DWORD total;
1914 const BYTE* ptr;
1915 DWORD* offset;
1917 pdb_convert_types_header(&types, types_image);
1919 /* Check for unknown versions */
1920 switch (types.version)
1922 case 19950410: /* VC 4.0 */
1923 case 19951122:
1924 case 19961031: /* VC 5.0 / 6.0 */
1925 case 19990903:
1926 break;
1927 default:
1928 ERR("-Unknown type info version %d\n", types.version);
1931 ctp.module = msc_dbg->module;
1932 /* reconstruct the types offset...
1933 * FIXME: maybe it's present in the newest PDB_TYPES structures
1935 total = types.last_index - types.first_index + 1;
1936 offset = HeapAlloc(GetProcessHeap(), 0, sizeof(DWORD) * total);
1937 ctp.table = ptr = types_image + types.type_offset;
1938 ctp.num = 0;
1939 while (ptr < ctp.table + types.type_size && ctp.num < total)
1941 offset[ctp.num++] = ptr - ctp.table;
1942 ptr += ((const union codeview_type*)ptr)->generic.len + 2;
1944 ctp.offset = offset;
1946 /* Read type table */
1947 codeview_parse_type_table(&ctp);
1948 HeapFree(GetProcessHeap(), 0, offset);
1949 pdb_free(types_image);
1953 static const char PDB_JG_IDENT[] = "Microsoft C/C++ program database 2.00\r\n\032JG\0";
1954 static const char PDB_DS_IDENT[] = "Microsoft C/C++ MSF 7.00\r\n\032DS\0";
1956 /******************************************************************
1957 * pdb_init
1959 * Tries to load a pdb file
1960 * if do_fill is TRUE, then it just fills pdb_lookup with the information of the
1961 * file
1962 * if do_fill is FALSE, then it just checks that the kind of PDB (stored in
1963 * pdb_lookup) matches what's really in the file
1965 static BOOL pdb_init(struct pdb_lookup* pdb_lookup, const char* image, BOOL do_fill)
1967 BOOL ret = TRUE;
1969 /* check the file header, and if ok, load the TOC */
1970 TRACE("PDB(%s): %.40s\n", pdb_lookup->filename, debugstr_an(image, 40));
1972 if (!memcmp(image, PDB_JG_IDENT, sizeof(PDB_JG_IDENT)))
1974 const struct PDB_JG_HEADER* pdb = (const struct PDB_JG_HEADER*)image;
1975 struct PDB_JG_ROOT* root;
1977 pdb_lookup->u.jg.toc = pdb_jg_read(pdb, pdb->toc_block, pdb->toc.size);
1978 root = pdb_read_jg_file(pdb, pdb_lookup->u.jg.toc, 1);
1979 if (!root)
1981 ERR("-Unable to get root from .PDB in %s\n", pdb_lookup->filename);
1982 return FALSE;
1984 switch (root->Version)
1986 case 19950623: /* VC 4.0 */
1987 case 19950814:
1988 case 19960307: /* VC 5.0 */
1989 case 19970604: /* VC 6.0 */
1990 break;
1991 default:
1992 ERR("-Unknown root block version %d\n", root->Version);
1994 if (do_fill)
1996 pdb_lookup->kind = PDB_JG;
1997 pdb_lookup->u.jg.timestamp = root->TimeDateStamp;
1998 pdb_lookup->age = root->Age;
2000 else if (pdb_lookup->kind != PDB_JG ||
2001 pdb_lookup->u.jg.timestamp != root->TimeDateStamp ||
2002 pdb_lookup->age != root->Age)
2003 ret = FALSE;
2004 TRACE("found JG/%c for %s: age=%x timestamp=%x\n",
2005 do_fill ? 'f' : '-', pdb_lookup->filename, root->Age,
2006 root->TimeDateStamp);
2007 pdb_free(root);
2009 else if (!memcmp(image, PDB_DS_IDENT, sizeof(PDB_DS_IDENT)))
2011 const struct PDB_DS_HEADER* pdb = (const struct PDB_DS_HEADER*)image;
2012 struct PDB_DS_ROOT* root;
2014 pdb_lookup->u.ds.toc =
2015 pdb_ds_read(pdb,
2016 (const DWORD*)((const char*)pdb + pdb->toc_page * pdb->block_size),
2017 pdb->toc_size);
2018 root = pdb_read_ds_file(pdb, pdb_lookup->u.ds.toc, 1);
2019 if (!root)
2021 ERR("-Unable to get root from .PDB in %s\n", pdb_lookup->filename);
2022 return FALSE;
2024 switch (root->Version)
2026 case 20000404:
2027 break;
2028 default:
2029 ERR("-Unknown root block version %d\n", root->Version);
2031 if (do_fill)
2033 pdb_lookup->kind = PDB_DS;
2034 pdb_lookup->u.ds.guid = root->guid;
2035 pdb_lookup->age = root->Age;
2037 else if (pdb_lookup->kind != PDB_DS ||
2038 memcmp(&pdb_lookup->u.ds.guid, &root->guid, sizeof(GUID)) ||
2039 pdb_lookup->age != root->Age)
2040 ret = FALSE;
2041 TRACE("found DS/%c for %s: age=%x guid=%s\n",
2042 do_fill ? 'f' : '-', pdb_lookup->filename, root->Age,
2043 debugstr_guid(&root->guid));
2044 pdb_free(root);
2047 if (0) /* some tool to dump the internal files from a PDB file */
2049 int i, num_files;
2051 switch (pdb_lookup->kind)
2053 case PDB_JG: num_files = pdb_lookup->u.jg.toc->num_files; break;
2054 case PDB_DS: num_files = pdb_lookup->u.ds.toc->num_files; break;
2057 for (i = 1; i < num_files; i++)
2059 unsigned char* x = pdb_read_file(image, pdb_lookup, i);
2060 FIXME("********************** [%u]: size=%08x\n",
2061 i, pdb_get_file_size(pdb_lookup, i));
2062 dump(x, pdb_get_file_size(pdb_lookup, i));
2063 pdb_free(x);
2066 return ret;
2069 static BOOL pdb_process_internal(const struct process* pcs,
2070 const struct msc_debug_info* msc_dbg,
2071 struct pdb_lookup* pdb_lookup,
2072 unsigned module_index);
2074 static void pdb_process_symbol_imports(const struct process* pcs,
2075 const struct msc_debug_info* msc_dbg,
2076 PDB_SYMBOLS* symbols,
2077 const void* symbols_image,
2078 char* image, struct pdb_lookup* pdb_lookup,
2079 unsigned module_index)
2081 if (module_index == -1 && symbols && symbols->pdbimport_size)
2083 const PDB_SYMBOL_IMPORT*imp;
2084 const void* first;
2085 const void* last;
2086 const char* ptr;
2087 int i = 0;
2089 imp = (const PDB_SYMBOL_IMPORT*)((const char*)symbols_image + sizeof(PDB_SYMBOLS) +
2090 symbols->module_size + symbols->offset_size +
2091 symbols->hash_size + symbols->srcmodule_size);
2092 first = (const char*)imp;
2093 last = (const char*)imp + symbols->pdbimport_size;
2094 while (imp < (const PDB_SYMBOL_IMPORT*)last)
2096 ptr = (const char*)imp + sizeof(*imp) + strlen(imp->filename);
2097 if (i >= CV_MAX_MODULES) FIXME("Out of bounds !!!\n");
2098 if (!strcasecmp(pdb_lookup->filename, imp->filename))
2100 if (module_index != -1) FIXME("Twice the entry\n");
2101 else module_index = i;
2103 else
2105 struct pdb_lookup imp_pdb_lookup;
2107 /* FIXME: this is an import of a JG PDB file
2108 * how's a DS PDB handled ?
2110 imp_pdb_lookup.filename = imp->filename;
2111 imp_pdb_lookup.kind = PDB_JG;
2112 imp_pdb_lookup.u.jg.timestamp = imp->TimeDateStamp;
2113 imp_pdb_lookup.age = imp->Age;
2114 TRACE("got for %s: age=%u ts=%x\n",
2115 imp->filename, imp->Age, imp->TimeDateStamp);
2116 pdb_process_internal(pcs, msc_dbg, &imp_pdb_lookup, i);
2118 i++;
2119 imp = (const PDB_SYMBOL_IMPORT*)((const char*)first + ((ptr - (const char*)first + strlen(ptr) + 1 + 3) & ~3));
2122 cv_current_module = &cv_zmodules[(module_index == -1) ? 0 : module_index];
2123 if (cv_current_module->allowed) FIXME("Already allowed ??\n");
2124 cv_current_module->allowed = TRUE;
2125 pdb_process_types(msc_dbg, image, pdb_lookup);
2128 static BOOL pdb_process_internal(const struct process* pcs,
2129 const struct msc_debug_info* msc_dbg,
2130 struct pdb_lookup* pdb_lookup,
2131 unsigned module_index)
2133 BOOL ret = FALSE;
2134 HANDLE hFile, hMap = NULL;
2135 char* image = NULL;
2136 BYTE* symbols_image = NULL;
2138 TRACE("Processing PDB file %s\n", pdb_lookup->filename);
2140 /* Open and map() .PDB file */
2141 if ((hFile = open_pdb_file(pcs, pdb_lookup)) == NULL ||
2142 ((hMap = CreateFileMappingA(hFile, NULL, PAGE_READONLY, 0, 0, NULL)) == NULL) ||
2143 ((image = MapViewOfFile(hMap, FILE_MAP_READ, 0, 0, 0)) == NULL))
2145 WARN("Unable to open .PDB file: %s\n", pdb_lookup->filename);
2146 goto leave;
2148 pdb_init(pdb_lookup, image, FALSE);
2150 symbols_image = pdb_read_file(image, pdb_lookup, 3);
2151 if (symbols_image)
2153 PDB_SYMBOLS symbols;
2154 BYTE* modimage;
2155 BYTE* file;
2156 int header_size = 0;
2158 pdb_convert_symbols_header(&symbols, &header_size, symbols_image);
2159 switch (symbols.version)
2161 case 0: /* VC 4.0 */
2162 case 19960307: /* VC 5.0 */
2163 case 19970606: /* VC 6.0 */
2164 case 19990903:
2165 break;
2166 default:
2167 ERR("-Unknown symbol info version %d %08x\n",
2168 symbols.version, symbols.version);
2171 pdb_process_symbol_imports(pcs, msc_dbg, &symbols, symbols_image, image, pdb_lookup, module_index);
2173 /* Read global symbol table */
2174 modimage = pdb_read_file(image, pdb_lookup, symbols.gsym_file);
2175 if (modimage)
2177 codeview_snarf(msc_dbg, modimage, 0,
2178 pdb_get_file_size(pdb_lookup, symbols.gsym_file), NULL);
2180 pdb_free(modimage);
2183 /* Read per-module symbol / linenumber tables */
2184 file = symbols_image + header_size;
2185 while (file - symbols_image < header_size + symbols.module_size)
2187 PDB_SYMBOL_FILE_EX sfile;
2188 const char* file_name;
2189 unsigned size;
2191 HeapValidate(GetProcessHeap(), 0, NULL);
2192 pdb_convert_symbol_file(&symbols, &sfile, &size, file);
2194 modimage = pdb_read_file(image, pdb_lookup, sfile.file);
2195 if (modimage)
2197 struct codeview_linetab* linetab = NULL;
2199 if (sfile.lineno_size)
2200 linetab = codeview_snarf_linetab(msc_dbg->module,
2201 modimage + sfile.symbol_size,
2202 sfile.lineno_size,
2203 pdb_lookup->kind == PDB_JG);
2205 if (sfile.symbol_size)
2206 codeview_snarf(msc_dbg, modimage, sizeof(DWORD),
2207 sfile.symbol_size, linetab);
2209 pdb_free(modimage);
2211 file_name = (const char*)file + size;
2212 file_name += strlen(file_name) + 1;
2213 file = (BYTE*)((DWORD)(file_name + strlen(file_name) + 1 + 3) & ~3);
2216 else
2217 pdb_process_symbol_imports(pcs, msc_dbg, NULL, NULL, image, pdb_lookup,
2218 module_index);
2219 ret = TRUE;
2221 leave:
2222 /* Cleanup */
2223 pdb_free(symbols_image);
2224 pdb_free_lookup(pdb_lookup);
2226 if (image) UnmapViewOfFile(image);
2227 if (hMap) CloseHandle(hMap);
2228 if (hFile) CloseHandle(hFile);
2230 return ret;
2233 static BOOL pdb_process_file(const struct process* pcs,
2234 const struct msc_debug_info* msc_dbg,
2235 struct pdb_lookup* pdb_lookup)
2237 BOOL ret;
2239 memset(cv_zmodules, 0, sizeof(cv_zmodules));
2240 codeview_init_basic_types(msc_dbg->module);
2241 ret = pdb_process_internal(pcs, msc_dbg, pdb_lookup, -1);
2242 codeview_clear_type_table();
2243 if (ret)
2245 msc_dbg->module->module.SymType = SymCv;
2246 if (pdb_lookup->kind == PDB_JG)
2247 msc_dbg->module->module.PdbSig = pdb_lookup->u.jg.timestamp;
2248 else
2249 msc_dbg->module->module.PdbSig70 = pdb_lookup->u.ds.guid;
2250 msc_dbg->module->module.PdbAge = pdb_lookup->age;
2251 strcpy(msc_dbg->module->module.LoadedPdbName, pdb_lookup->filename);
2252 /* FIXME: we could have a finer grain here */
2253 msc_dbg->module->module.LineNumbers = TRUE;
2254 msc_dbg->module->module.GlobalSymbols = TRUE;
2255 msc_dbg->module->module.TypeInfo = TRUE;
2256 msc_dbg->module->module.SourceIndexed = TRUE;
2257 msc_dbg->module->module.Publics = TRUE;
2259 return ret;
2262 BOOL pdb_fetch_file_info(struct pdb_lookup* pdb_lookup)
2264 HANDLE hFile, hMap = NULL;
2265 char* image = NULL;
2266 BOOL ret = TRUE;
2268 if ((hFile = CreateFileA(pdb_lookup->filename, GENERIC_READ, FILE_SHARE_READ, NULL,
2269 OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL)) == INVALID_HANDLE_VALUE ||
2270 ((hMap = CreateFileMappingA(hFile, NULL, PAGE_READONLY, 0, 0, NULL)) == NULL) ||
2271 ((image = MapViewOfFile(hMap, FILE_MAP_READ, 0, 0, 0)) == NULL))
2273 WARN("Unable to open .PDB file: %s\n", pdb_lookup->filename);
2274 ret = FALSE;
2276 else
2278 pdb_init(pdb_lookup, image, TRUE);
2279 pdb_free_lookup(pdb_lookup);
2282 if (image) UnmapViewOfFile(image);
2283 if (hMap) CloseHandle(hMap);
2284 if (hFile) CloseHandle(hFile);
2286 return ret;
2289 /*========================================================================
2290 * Process CodeView debug information.
2293 #define MAKESIG(a,b,c,d) ((a) | ((b) << 8) | ((c) << 16) | ((d) << 24))
2294 #define CODEVIEW_NB09_SIG MAKESIG('N','B','0','9')
2295 #define CODEVIEW_NB10_SIG MAKESIG('N','B','1','0')
2296 #define CODEVIEW_NB11_SIG MAKESIG('N','B','1','1')
2297 #define CODEVIEW_RSDS_SIG MAKESIG('R','S','D','S')
2299 static BOOL codeview_process_info(const struct process* pcs,
2300 const struct msc_debug_info* msc_dbg)
2302 const DWORD* signature = (const DWORD*)msc_dbg->root;
2303 BOOL ret = FALSE;
2304 struct pdb_lookup pdb_lookup;
2306 TRACE("Processing signature %.4s\n", (const char*)signature);
2308 switch (*signature)
2310 case CODEVIEW_NB09_SIG:
2311 case CODEVIEW_NB11_SIG:
2313 const OMFSignature* cv = (const OMFSignature*)msc_dbg->root;
2314 const OMFDirHeader* hdr = (const OMFDirHeader*)(msc_dbg->root + cv->filepos);
2315 const OMFDirEntry* ent;
2316 const OMFDirEntry* prev;
2317 const OMFDirEntry* next;
2318 unsigned int i;
2320 codeview_init_basic_types(msc_dbg->module);
2322 for (i = 0; i < hdr->cDir; i++)
2324 ent = (const OMFDirEntry*)((const BYTE*)hdr + hdr->cbDirHeader + i * hdr->cbDirEntry);
2325 if (ent->SubSection == sstGlobalTypes)
2327 const OMFGlobalTypes* types;
2328 struct codeview_type_parse ctp;
2330 types = (const OMFGlobalTypes*)(msc_dbg->root + ent->lfo);
2331 ctp.module = msc_dbg->module;
2332 ctp.offset = (const DWORD*)(types + 1);
2333 ctp.num = types->cTypes;
2334 ctp.table = (const BYTE*)(ctp.offset + types->cTypes);
2336 cv_current_module = &cv_zmodules[0];
2337 if (cv_current_module->allowed) FIXME("Already allowed ??\n");
2338 cv_current_module->allowed = TRUE;
2340 codeview_parse_type_table(&ctp);
2341 break;
2345 ent = (const OMFDirEntry*)((const BYTE*)hdr + hdr->cbDirHeader);
2346 for (i = 0; i < hdr->cDir; i++, ent = next)
2348 next = (i == hdr->cDir-1) ? NULL :
2349 (const OMFDirEntry*)((const BYTE*)ent + hdr->cbDirEntry);
2350 prev = (i == 0) ? NULL :
2351 (const OMFDirEntry*)((const BYTE*)ent - hdr->cbDirEntry);
2353 if (ent->SubSection == sstAlignSym)
2356 * Check the next and previous entry. If either is a
2357 * sstSrcModule, it contains the line number info for
2358 * this file.
2360 * FIXME: This is not a general solution!
2362 struct codeview_linetab* linetab = NULL;
2364 if (next && next->iMod == ent->iMod &&
2365 next->SubSection == sstSrcModule)
2366 linetab = codeview_snarf_linetab(msc_dbg->module,
2367 msc_dbg->root + next->lfo, next->cb,
2368 TRUE);
2370 if (prev && prev->iMod == ent->iMod &&
2371 prev->SubSection == sstSrcModule)
2372 linetab = codeview_snarf_linetab(msc_dbg->module,
2373 msc_dbg->root + prev->lfo, prev->cb,
2374 TRUE);
2376 codeview_snarf(msc_dbg, msc_dbg->root + ent->lfo, sizeof(DWORD),
2377 ent->cb, linetab);
2381 msc_dbg->module->module.SymType = SymCv;
2382 /* FIXME: we could have a finer grain here */
2383 msc_dbg->module->module.LineNumbers = TRUE;
2384 msc_dbg->module->module.GlobalSymbols = TRUE;
2385 msc_dbg->module->module.TypeInfo = TRUE;
2386 msc_dbg->module->module.SourceIndexed = TRUE;
2387 msc_dbg->module->module.Publics = TRUE;
2388 codeview_clear_type_table();
2389 ret = TRUE;
2390 break;
2393 case CODEVIEW_NB10_SIG:
2395 const CODEVIEW_PDB_DATA* pdb = (const CODEVIEW_PDB_DATA*)msc_dbg->root;
2396 pdb_lookup.filename = pdb->name;
2397 pdb_lookup.kind = PDB_JG;
2398 pdb_lookup.u.jg.timestamp = pdb->timestamp;
2399 pdb_lookup.u.jg.toc = NULL;
2400 pdb_lookup.age = pdb->unknown;
2401 ret = pdb_process_file(pcs, msc_dbg, &pdb_lookup);
2402 break;
2404 case CODEVIEW_RSDS_SIG:
2406 const OMFSignatureRSDS* rsds = (const OMFSignatureRSDS*)msc_dbg->root;
2408 TRACE("Got RSDS type of PDB file: guid=%s unk=%08x name=%s\n",
2409 wine_dbgstr_guid(&rsds->guid), rsds->unknown, rsds->name);
2410 pdb_lookup.filename = rsds->name;
2411 pdb_lookup.kind = PDB_DS;
2412 pdb_lookup.u.ds.guid = rsds->guid;
2413 pdb_lookup.u.ds.toc = NULL;
2414 pdb_lookup.age = rsds->unknown;
2415 ret = pdb_process_file(pcs, msc_dbg, &pdb_lookup);
2416 break;
2418 default:
2419 ERR("Unknown CODEVIEW signature %.4s in module %s\n",
2420 (const char*)signature, msc_dbg->module->module.ModuleName);
2421 break;
2423 if (ret)
2425 msc_dbg->module->module.CVSig = *signature;
2426 memcpy(msc_dbg->module->module.CVData, msc_dbg->root,
2427 sizeof(msc_dbg->module->module.CVData));
2429 return ret;
2432 /*========================================================================
2433 * Process debug directory.
2435 BOOL pe_load_debug_directory(const struct process* pcs, struct module* module,
2436 const BYTE* mapping,
2437 const IMAGE_SECTION_HEADER* sectp, DWORD nsect,
2438 const IMAGE_DEBUG_DIRECTORY* dbg, int nDbg)
2440 BOOL ret;
2441 int i;
2442 struct msc_debug_info msc_dbg;
2444 msc_dbg.module = module;
2445 msc_dbg.nsect = nsect;
2446 msc_dbg.sectp = sectp;
2447 msc_dbg.nomap = 0;
2448 msc_dbg.omapp = NULL;
2450 __TRY
2452 ret = FALSE;
2454 /* First, watch out for OMAP data */
2455 for (i = 0; i < nDbg; i++)
2457 if (dbg[i].Type == IMAGE_DEBUG_TYPE_OMAP_FROM_SRC)
2459 msc_dbg.nomap = dbg[i].SizeOfData / sizeof(OMAP_DATA);
2460 msc_dbg.omapp = (const OMAP_DATA*)(mapping + dbg[i].PointerToRawData);
2461 break;
2465 /* Now, try to parse CodeView debug info */
2466 for (i = 0; i < nDbg; i++)
2468 if (dbg[i].Type == IMAGE_DEBUG_TYPE_CODEVIEW)
2470 msc_dbg.root = mapping + dbg[i].PointerToRawData;
2471 if ((ret = codeview_process_info(pcs, &msc_dbg))) goto done;
2475 /* If not found, try to parse COFF debug info */
2476 for (i = 0; i < nDbg; i++)
2478 if (dbg[i].Type == IMAGE_DEBUG_TYPE_COFF)
2480 msc_dbg.root = mapping + dbg[i].PointerToRawData;
2481 if ((ret = coff_process_info(&msc_dbg))) goto done;
2484 done:
2485 /* FIXME: this should be supported... this is the debug information for
2486 * functions compiled without a frame pointer (FPO = frame pointer omission)
2487 * the associated data helps finding out the relevant information
2489 for (i = 0; i < nDbg; i++)
2490 if (dbg[i].Type == IMAGE_DEBUG_TYPE_FPO)
2491 FIXME("This guy has FPO information\n");
2492 #if 0
2494 #define FRAME_FPO 0
2495 #define FRAME_TRAP 1
2496 #define FRAME_TSS 2
2498 typedef struct _FPO_DATA
2500 DWORD ulOffStart; /* offset 1st byte of function code */
2501 DWORD cbProcSize; /* # bytes in function */
2502 DWORD cdwLocals; /* # bytes in locals/4 */
2503 WORD cdwParams; /* # bytes in params/4 */
2505 WORD cbProlog : 8; /* # bytes in prolog */
2506 WORD cbRegs : 3; /* # regs saved */
2507 WORD fHasSEH : 1; /* TRUE if SEH in func */
2508 WORD fUseBP : 1; /* TRUE if EBP has been allocated */
2509 WORD reserved : 1; /* reserved for future use */
2510 WORD cbFrame : 2; /* frame type */
2511 } FPO_DATA;
2512 #endif
2515 __EXCEPT_PAGE_FAULT
2517 ERR("Got a page fault while loading symbols\n");
2518 ret = FALSE;
2520 __ENDTRY
2521 return ret;