?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
Release 1.9.16.
[wine.git] / dlls / dbghelp / msc.c
blobf17d91eac521d46012203f9e67703e55cf230a02
1 /*
2 * File msc.c - read VC++ debug information from COFF and eventually
3 * from PDB files.
4 *
5 * Copyright (C) 1996, Eric Youngdale.
6 * Copyright (C) 1999-2000, Ulrich Weigand.
7 * Copyright (C) 2004-2009, Eric Pouech.
8 *
9 * This library is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public
11 * License as published by the Free Software Foundation; either
12 * version 2.1 of the License, or (at your option) any later version.
13 *
14 * This library is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Lesser General Public License for more details.
18 *
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with this library; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
22 */
23
24 /*
25 * Note - this handles reading debug information for 32 bit applications
26 * that run under Windows-NT for example. I doubt that this would work well
27 * for 16 bit applications, but I don't think it really matters since the
28 * file format is different, and we should never get in here in such cases.
29 *
30 * TODO:
31 * Get 16 bit CV stuff working.
32 * Add symbol size to internal symbol table.
33 */
34
35 #define NONAMELESSUNION
36
37 #include "config.h"
38 #include "wine/port.h"
39
40 #include <assert.h>
41 #include <stdio.h>
42 #include <stdlib.h>
43
44 #include <string.h>
45 #ifdef HAVE_UNISTD_H
46 # include <unistd.h>
47 #endif
48
49 #include <stdarg.h>
50 #include "windef.h"
51 #include "winbase.h"
52 #include "winternl.h"
53
54 #include "wine/exception.h"
55 #include "wine/debug.h"
56 #include "dbghelp_private.h"
57 #include "wine/mscvpdb.h"
58
59 WINE_DEFAULT_DEBUG_CHANNEL(dbghelp_msc);
60
61 struct pdb_stream_name
62 {
63 const char* name;
64 unsigned index;
65 };
66
67 struct pdb_file_info
68 {
69 enum pdb_kind kind;
70 DWORD age;
71 HANDLE hMap;
72 const char* image;
73 struct pdb_stream_name* stream_dict;
74 unsigned fpoext_stream;
75 union
76 {
77 struct
78 {
79 DWORD timestamp;
80 struct PDB_JG_TOC* toc;
81 } jg;
82 struct
83 {
84 GUID guid;
85 struct PDB_DS_TOC* toc;
86 } ds;
87 } u;
88 };
89
90 /* FIXME: don't make it static */
91 #define CV_MAX_MODULES 32
92 struct pdb_module_info
93 {
94 unsigned used_subfiles;
95 struct pdb_file_info pdb_files[CV_MAX_MODULES];
96 };
97
98 /*========================================================================
99 * Debug file access helper routines
100 */
101
102 static void dump(const void* ptr, unsigned len)
103 {
104 unsigned int i, j;
105 char msg[128];
106 const char* hexof = "0123456789abcdef";
107 const BYTE* x = ptr;
108
109 for (i = 0; i < len; i += 16)
110 {
111 sprintf(msg, "%08x: ", i);
112 memset(msg + 10, ' ', 3 * 16 + 1 + 16);
113 for (j = 0; j < min(16, len - i); j++)
114 {
115 msg[10 + 3 * j + 0] = hexof[x[i + j] >> 4];
116 msg[10 + 3 * j + 1] = hexof[x[i + j] & 15];
117 msg[10 + 3 * j + 2] = ' ';
118 msg[10 + 3 * 16 + 1 + j] = (x[i + j] >= 0x20 && x[i + j] < 0x7f) ?
119 x[i + j] : '.';
120 }
121 msg[10 + 3 * 16] = ' ';
122 msg[10 + 3 * 16 + 1 + 16] = '\0';
123 FIXME("%s\n", msg);
124 }
125 }
126
127 /*========================================================================
128 * Process CodeView type information.
129 */
130
131 #define MAX_BUILTIN_TYPES 0x06FF
132 #define FIRST_DEFINABLE_TYPE 0x1000
133
134 static struct symt* cv_basic_types[MAX_BUILTIN_TYPES];
135
136 struct cv_defined_module
137 {
138 BOOL allowed;
139 unsigned int num_defined_types;
140 struct symt** defined_types;
141 };
142 /* FIXME: don't make it static */
143 #define CV_MAX_MODULES 32
144 static struct cv_defined_module cv_zmodules[CV_MAX_MODULES];
145 static struct cv_defined_module*cv_current_module;
146
147 static void codeview_init_basic_types(struct module* module)
148 {
149 /*
150 * These are the common builtin types that are used by VC++.
151 */
152 cv_basic_types[T_NOTYPE] = NULL;
153 cv_basic_types[T_ABS] = NULL;
154 cv_basic_types[T_VOID] = &symt_new_basic(module, btVoid, "void", 0)->symt;
155 cv_basic_types[T_CHAR] = &symt_new_basic(module, btChar, "char", 1)->symt;
156 cv_basic_types[T_SHORT] = &symt_new_basic(module, btInt, "short int", 2)->symt;
157 cv_basic_types[T_LONG] = &symt_new_basic(module, btInt, "long int", 4)->symt;
158 cv_basic_types[T_QUAD] = &symt_new_basic(module, btInt, "long long int", 8)->symt;
159 cv_basic_types[T_UCHAR] = &symt_new_basic(module, btUInt, "unsigned char", 1)->symt;
160 cv_basic_types[T_USHORT] = &symt_new_basic(module, btUInt, "unsigned short", 2)->symt;
161 cv_basic_types[T_ULONG] = &symt_new_basic(module, btUInt, "unsigned long", 4)->symt;
162 cv_basic_types[T_UQUAD] = &symt_new_basic(module, btUInt, "unsigned long long", 8)->symt;
163 cv_basic_types[T_BOOL08] = &symt_new_basic(module, btBool, "BOOL08", 1)->symt;
164 cv_basic_types[T_BOOL16] = &symt_new_basic(module, btBool, "BOOL16", 2)->symt;
165 cv_basic_types[T_BOOL32] = &symt_new_basic(module, btBool, "BOOL32", 4)->symt;
166 cv_basic_types[T_BOOL64] = &symt_new_basic(module, btBool, "BOOL64", 8)->symt;
167 cv_basic_types[T_REAL32] = &symt_new_basic(module, btFloat, "float", 4)->symt;
168 cv_basic_types[T_REAL64] = &symt_new_basic(module, btFloat, "double", 8)->symt;
169 cv_basic_types[T_REAL80] = &symt_new_basic(module, btFloat, "long double", 10)->symt;
170 cv_basic_types[T_RCHAR] = &symt_new_basic(module, btInt, "signed char", 1)->symt;
171 cv_basic_types[T_WCHAR] = &symt_new_basic(module, btWChar, "wchar_t", 2)->symt;
172 cv_basic_types[T_INT2] = &symt_new_basic(module, btInt, "INT2", 2)->symt;
173 cv_basic_types[T_UINT2] = &symt_new_basic(module, btUInt, "UINT2", 2)->symt;
174 cv_basic_types[T_INT4] = &symt_new_basic(module, btInt, "INT4", 4)->symt;
175 cv_basic_types[T_UINT4] = &symt_new_basic(module, btUInt, "UINT4", 4)->symt;
176 cv_basic_types[T_INT8] = &symt_new_basic(module, btInt, "INT8", 8)->symt;
177 cv_basic_types[T_UINT8] = &symt_new_basic(module, btUInt, "UINT8", 8)->symt;
178 cv_basic_types[T_HRESULT]= &symt_new_basic(module, btUInt, "HRESULT", 4)->symt;
179
180 cv_basic_types[T_32PVOID] = &symt_new_pointer(module, cv_basic_types[T_VOID], 4)->symt;
181 cv_basic_types[T_32PCHAR] = &symt_new_pointer(module, cv_basic_types[T_CHAR], 4)->symt;
182 cv_basic_types[T_32PSHORT] = &symt_new_pointer(module, cv_basic_types[T_SHORT], 4)->symt;
183 cv_basic_types[T_32PLONG] = &symt_new_pointer(module, cv_basic_types[T_LONG], 4)->symt;
184 cv_basic_types[T_32PQUAD] = &symt_new_pointer(module, cv_basic_types[T_QUAD], 4)->symt;
185 cv_basic_types[T_32PUCHAR] = &symt_new_pointer(module, cv_basic_types[T_UCHAR], 4)->symt;
186 cv_basic_types[T_32PUSHORT] = &symt_new_pointer(module, cv_basic_types[T_USHORT], 4)->symt;
187 cv_basic_types[T_32PULONG] = &symt_new_pointer(module, cv_basic_types[T_ULONG], 4)->symt;
188 cv_basic_types[T_32PUQUAD] = &symt_new_pointer(module, cv_basic_types[T_UQUAD], 4)->symt;
189 cv_basic_types[T_32PBOOL08] = &symt_new_pointer(module, cv_basic_types[T_BOOL08], 4)->symt;
190 cv_basic_types[T_32PBOOL16] = &symt_new_pointer(module, cv_basic_types[T_BOOL16], 4)->symt;
191 cv_basic_types[T_32PBOOL32] = &symt_new_pointer(module, cv_basic_types[T_BOOL32], 4)->symt;
192 cv_basic_types[T_32PBOOL64] = &symt_new_pointer(module, cv_basic_types[T_BOOL64], 4)->symt;
193 cv_basic_types[T_32PREAL32] = &symt_new_pointer(module, cv_basic_types[T_REAL32], 4)->symt;
194 cv_basic_types[T_32PREAL64] = &symt_new_pointer(module, cv_basic_types[T_REAL64], 4)->symt;
195 cv_basic_types[T_32PREAL80] = &symt_new_pointer(module, cv_basic_types[T_REAL80], 4)->symt;
196 cv_basic_types[T_32PRCHAR] = &symt_new_pointer(module, cv_basic_types[T_RCHAR], 4)->symt;
197 cv_basic_types[T_32PWCHAR] = &symt_new_pointer(module, cv_basic_types[T_WCHAR], 4)->symt;
198 cv_basic_types[T_32PINT2] = &symt_new_pointer(module, cv_basic_types[T_INT2], 4)->symt;
199 cv_basic_types[T_32PUINT2] = &symt_new_pointer(module, cv_basic_types[T_UINT2], 4)->symt;
200 cv_basic_types[T_32PINT4] = &symt_new_pointer(module, cv_basic_types[T_INT4], 4)->symt;
201 cv_basic_types[T_32PUINT4] = &symt_new_pointer(module, cv_basic_types[T_UINT4], 4)->symt;
202 cv_basic_types[T_32PINT8] = &symt_new_pointer(module, cv_basic_types[T_INT8], 4)->symt;
203 cv_basic_types[T_32PUINT8] = &symt_new_pointer(module, cv_basic_types[T_UINT8], 4)->symt;
204 cv_basic_types[T_32PHRESULT]= &symt_new_pointer(module, cv_basic_types[T_HRESULT], 4)->symt;
205
206 cv_basic_types[T_64PVOID] = &symt_new_pointer(module, cv_basic_types[T_VOID], 8)->symt;
207 cv_basic_types[T_64PCHAR] = &symt_new_pointer(module, cv_basic_types[T_CHAR], 8)->symt;
208 cv_basic_types[T_64PSHORT] = &symt_new_pointer(module, cv_basic_types[T_SHORT], 8)->symt;
209 cv_basic_types[T_64PLONG] = &symt_new_pointer(module, cv_basic_types[T_LONG], 8)->symt;
210 cv_basic_types[T_64PQUAD] = &symt_new_pointer(module, cv_basic_types[T_QUAD], 8)->symt;
211 cv_basic_types[T_64PUCHAR] = &symt_new_pointer(module, cv_basic_types[T_UCHAR], 8)->symt;
212 cv_basic_types[T_64PUSHORT] = &symt_new_pointer(module, cv_basic_types[T_USHORT], 8)->symt;
213 cv_basic_types[T_64PULONG] = &symt_new_pointer(module, cv_basic_types[T_ULONG], 8)->symt;
214 cv_basic_types[T_64PUQUAD] = &symt_new_pointer(module, cv_basic_types[T_UQUAD], 8)->symt;
215 cv_basic_types[T_64PBOOL08] = &symt_new_pointer(module, cv_basic_types[T_BOOL08], 8)->symt;
216 cv_basic_types[T_64PBOOL16] = &symt_new_pointer(module, cv_basic_types[T_BOOL16], 8)->symt;
217 cv_basic_types[T_64PBOOL32] = &symt_new_pointer(module, cv_basic_types[T_BOOL32], 8)->symt;
218 cv_basic_types[T_64PBOOL64] = &symt_new_pointer(module, cv_basic_types[T_BOOL64], 8)->symt;
219 cv_basic_types[T_64PREAL32] = &symt_new_pointer(module, cv_basic_types[T_REAL32], 8)->symt;
220 cv_basic_types[T_64PREAL64] = &symt_new_pointer(module, cv_basic_types[T_REAL64], 8)->symt;
221 cv_basic_types[T_64PREAL80] = &symt_new_pointer(module, cv_basic_types[T_REAL80], 8)->symt;
222 cv_basic_types[T_64PRCHAR] = &symt_new_pointer(module, cv_basic_types[T_RCHAR], 8)->symt;
223 cv_basic_types[T_64PWCHAR] = &symt_new_pointer(module, cv_basic_types[T_WCHAR], 8)->symt;
224 cv_basic_types[T_64PINT2] = &symt_new_pointer(module, cv_basic_types[T_INT2], 8)->symt;
225 cv_basic_types[T_64PUINT2] = &symt_new_pointer(module, cv_basic_types[T_UINT2], 8)->symt;
226 cv_basic_types[T_64PINT4] = &symt_new_pointer(module, cv_basic_types[T_INT4], 8)->symt;
227 cv_basic_types[T_64PUINT4] = &symt_new_pointer(module, cv_basic_types[T_UINT4], 8)->symt;
228 cv_basic_types[T_64PINT8] = &symt_new_pointer(module, cv_basic_types[T_INT8], 8)->symt;
229 cv_basic_types[T_64PUINT8] = &symt_new_pointer(module, cv_basic_types[T_UINT8], 8)->symt;
230 cv_basic_types[T_64PHRESULT]= &symt_new_pointer(module, cv_basic_types[T_HRESULT], 8)->symt;
231
232 cv_basic_types[T_PVOID] = &symt_new_pointer(module, cv_basic_types[T_VOID], sizeof(void*))->symt;
233 cv_basic_types[T_PCHAR] = &symt_new_pointer(module, cv_basic_types[T_CHAR], sizeof(void*))->symt;
234 cv_basic_types[T_PSHORT] = &symt_new_pointer(module, cv_basic_types[T_SHORT], sizeof(void*))->symt;
235 cv_basic_types[T_PLONG] = &symt_new_pointer(module, cv_basic_types[T_LONG], sizeof(void*))->symt;
236 cv_basic_types[T_PQUAD] = &symt_new_pointer(module, cv_basic_types[T_QUAD], sizeof(void*))->symt;
237 cv_basic_types[T_PUCHAR] = &symt_new_pointer(module, cv_basic_types[T_UCHAR], sizeof(void*))->symt;
238 cv_basic_types[T_PUSHORT] = &symt_new_pointer(module, cv_basic_types[T_USHORT], sizeof(void*))->symt;
239 cv_basic_types[T_PULONG] = &symt_new_pointer(module, cv_basic_types[T_ULONG], sizeof(void*))->symt;
240 cv_basic_types[T_PUQUAD] = &symt_new_pointer(module, cv_basic_types[T_UQUAD], sizeof(void*))->symt;
241 cv_basic_types[T_PBOOL08] = &symt_new_pointer(module, cv_basic_types[T_BOOL08], sizeof(void*))->symt;
242 cv_basic_types[T_PBOOL16] = &symt_new_pointer(module, cv_basic_types[T_BOOL16], sizeof(void*))->symt;
243 cv_basic_types[T_PBOOL32] = &symt_new_pointer(module, cv_basic_types[T_BOOL32], sizeof(void*))->symt;
244 cv_basic_types[T_PBOOL64] = &symt_new_pointer(module, cv_basic_types[T_BOOL64], sizeof(void*))->symt;
245 cv_basic_types[T_PREAL32] = &symt_new_pointer(module, cv_basic_types[T_REAL32], sizeof(void*))->symt;
246 cv_basic_types[T_PREAL64] = &symt_new_pointer(module, cv_basic_types[T_REAL64], sizeof(void*))->symt;
247 cv_basic_types[T_PREAL80] = &symt_new_pointer(module, cv_basic_types[T_REAL80], sizeof(void*))->symt;
248 cv_basic_types[T_PRCHAR] = &symt_new_pointer(module, cv_basic_types[T_RCHAR], sizeof(void*))->symt;
249 cv_basic_types[T_PWCHAR] = &symt_new_pointer(module, cv_basic_types[T_WCHAR], sizeof(void*))->symt;
250 cv_basic_types[T_PINT2] = &symt_new_pointer(module, cv_basic_types[T_INT2], sizeof(void*))->symt;
251 cv_basic_types[T_PUINT2] = &symt_new_pointer(module, cv_basic_types[T_UINT2], sizeof(void*))->symt;
252 cv_basic_types[T_PINT4] = &symt_new_pointer(module, cv_basic_types[T_INT4], sizeof(void*))->symt;
253 cv_basic_types[T_PUINT4] = &symt_new_pointer(module, cv_basic_types[T_UINT4], sizeof(void*))->symt;
254 cv_basic_types[T_PINT8] = &symt_new_pointer(module, cv_basic_types[T_INT8], sizeof(void*))->symt;
255 cv_basic_types[T_PUINT8] = &symt_new_pointer(module, cv_basic_types[T_UINT8], sizeof(void*))->symt;
256 }
257
258 static int leaf_as_variant(VARIANT* v, const unsigned short int* leaf)
259 {
260 unsigned short int type = *leaf++;
261 int length = 2;
262
263 if (type < LF_NUMERIC)
264 {
265 v->n1.n2.vt = VT_UINT;
266 v->n1.n2.n3.uintVal = type;
267 }
268 else
269 {
270 switch (type)
271 {
272 case LF_CHAR:
273 length += 1;
274 v->n1.n2.vt = VT_I1;
275 v->n1.n2.n3.cVal = *(const char*)leaf;
276 break;
277
278 case LF_SHORT:
279 length += 2;
280 v->n1.n2.vt = VT_I2;
281 v->n1.n2.n3.iVal = *(const short*)leaf;
282 break;
283
284 case LF_USHORT:
285 length += 2;
286 v->n1.n2.vt = VT_UI2;
287 v->n1.n2.n3.uiVal = *leaf;
288 break;
289
290 case LF_LONG:
291 length += 4;
292 v->n1.n2.vt = VT_I4;
293 v->n1.n2.n3.lVal = *(const int*)leaf;
294 break;
295
296 case LF_ULONG:
297 length += 4;
298 v->n1.n2.vt = VT_UI4;
299 v->n1.n2.n3.uiVal = *(const unsigned int*)leaf;
300 break;
301
302 case LF_QUADWORD:
303 length += 8;
304 v->n1.n2.vt = VT_I8;
305 v->n1.n2.n3.llVal = *(const long long int*)leaf;
306 break;
307
308 case LF_UQUADWORD:
309 length += 8;
310 v->n1.n2.vt = VT_UI8;
311 v->n1.n2.n3.ullVal = *(const long long unsigned int*)leaf;
312 break;
313
314 case LF_REAL32:
315 length += 4;
316 v->n1.n2.vt = VT_R4;
317 v->n1.n2.n3.fltVal = *(const float*)leaf;
318 break;
319
320 case LF_REAL48:
321 FIXME("Unsupported numeric leaf type %04x\n", type);
322 length += 6;
323 v->n1.n2.vt = VT_EMPTY; /* FIXME */
324 break;
325
326 case LF_REAL64:
327 length += 8;
328 v->n1.n2.vt = VT_R8;
329 v->n1.n2.n3.fltVal = *(const double*)leaf;
330 break;
331
332 case LF_REAL80:
333 FIXME("Unsupported numeric leaf type %04x\n", type);
334 length += 10;
335 v->n1.n2.vt = VT_EMPTY; /* FIXME */
336 break;
337
338 case LF_REAL128:
339 FIXME("Unsupported numeric leaf type %04x\n", type);
340 length += 16;
341 v->n1.n2.vt = VT_EMPTY; /* FIXME */
342 break;
343
344 case LF_COMPLEX32:
345 FIXME("Unsupported numeric leaf type %04x\n", type);
346 length += 4;
347 v->n1.n2.vt = VT_EMPTY; /* FIXME */
348 break;
349
350 case LF_COMPLEX64:
351 FIXME("Unsupported numeric leaf type %04x\n", type);
352 length += 8;
353 v->n1.n2.vt = VT_EMPTY; /* FIXME */
354 break;
355
356 case LF_COMPLEX80:
357 FIXME("Unsupported numeric leaf type %04x\n", type);
358 length += 10;
359 v->n1.n2.vt = VT_EMPTY; /* FIXME */
360 break;
361
362 case LF_COMPLEX128:
363 FIXME("Unsupported numeric leaf type %04x\n", type);
364 length += 16;
365 v->n1.n2.vt = VT_EMPTY; /* FIXME */
366 break;
367
368 case LF_VARSTRING:
369 FIXME("Unsupported numeric leaf type %04x\n", type);
370 length += 2 + *leaf;
371 v->n1.n2.vt = VT_EMPTY; /* FIXME */
372 break;
373
374 default:
375 FIXME("Unknown numeric leaf type %04x\n", type);
376 v->n1.n2.vt = VT_EMPTY; /* FIXME */
377 break;
378 }
379 }
380
381 return length;
382 }
383
384 static int numeric_leaf(int* value, const unsigned short int* leaf)
385 {
386 unsigned short int type = *leaf++;
387 int length = 2;
388
389 if (type < LF_NUMERIC)
390 {
391 *value = type;
392 }
393 else
394 {
395 switch (type)
396 {
397 case LF_CHAR:
398 length += 1;
399 *value = *(const char*)leaf;
400 break;
401
402 case LF_SHORT:
403 length += 2;
404 *value = *(const short*)leaf;
405 break;
406
407 case LF_USHORT:
408 length += 2;
409 *value = *leaf;
410 break;
411
412 case LF_LONG:
413 length += 4;
414 *value = *(const int*)leaf;
415 break;
416
417 case LF_ULONG:
418 length += 4;
419 *value = *(const unsigned int*)leaf;
420 break;
421
422 case LF_QUADWORD:
423 case LF_UQUADWORD:
424 FIXME("Unsupported numeric leaf type %04x\n", type);
425 length += 8;
426 *value = 0; /* FIXME */
427 break;
428
429 case LF_REAL32:
430 FIXME("Unsupported numeric leaf type %04x\n", type);
431 length += 4;
432 *value = 0; /* FIXME */
433 break;
434
435 case LF_REAL48:
436 FIXME("Unsupported numeric leaf type %04x\n", type);
437 length += 6;
438 *value = 0; /* FIXME */
439 break;
440
441 case LF_REAL64:
442 FIXME("Unsupported numeric leaf type %04x\n", type);
443 length += 8;
444 *value = 0; /* FIXME */
445 break;
446
447 case LF_REAL80:
448 FIXME("Unsupported numeric leaf type %04x\n", type);
449 length += 10;
450 *value = 0; /* FIXME */
451 break;
452
453 case LF_REAL128:
454 FIXME("Unsupported numeric leaf type %04x\n", type);
455 length += 16;
456 *value = 0; /* FIXME */
457 break;
458
459 case LF_COMPLEX32:
460 FIXME("Unsupported numeric leaf type %04x\n", type);
461 length += 4;
462 *value = 0; /* FIXME */
463 break;
464
465 case LF_COMPLEX64:
466 FIXME("Unsupported numeric leaf type %04x\n", type);
467 length += 8;
468 *value = 0; /* FIXME */
469 break;
470
471 case LF_COMPLEX80:
472 FIXME("Unsupported numeric leaf type %04x\n", type);
473 length += 10;
474 *value = 0; /* FIXME */
475 break;
476
477 case LF_COMPLEX128:
478 FIXME("Unsupported numeric leaf type %04x\n", type);
479 length += 16;
480 *value = 0; /* FIXME */
481 break;
482
483 case LF_VARSTRING:
484 FIXME("Unsupported numeric leaf type %04x\n", type);
485 length += 2 + *leaf;
486 *value = 0; /* FIXME */
487 break;
488
489 default:
490 FIXME("Unknown numeric leaf type %04x\n", type);
491 *value = 0;
492 break;
493 }
494 }
495
496 return length;
497 }
498
499 /* convert a pascal string (as stored in debug information) into
500 * a C string (null terminated).
501 */
502 static const char* terminate_string(const struct p_string* p_name)
503 {
504 static char symname[256];
505
506 memcpy(symname, p_name->name, p_name->namelen);
507 symname[p_name->namelen] = '\0';
508
509 return (!*symname || strcmp(symname, "__unnamed") == 0) ? NULL : symname;
510 }
511
512 static struct symt* codeview_get_type(unsigned int typeno, BOOL quiet)
513 {
514 struct symt* symt = NULL;
515
516 /*
517 * Convert Codeview type numbers into something we can grok internally.
518 * Numbers < FIRST_DEFINABLE_TYPE are all fixed builtin types.
519 * Numbers from FIRST_DEFINABLE_TYPE and up are all user defined (structs, etc).
520 */
521 if (typeno < FIRST_DEFINABLE_TYPE)
522 {
523 if (typeno < MAX_BUILTIN_TYPES)
524 symt = cv_basic_types[typeno];
525 }
526 else
527 {
528 unsigned mod_index = typeno >> 24;
529 unsigned mod_typeno = typeno & 0x00FFFFFF;
530 struct cv_defined_module* mod;
531
532 mod = (mod_index == 0) ? cv_current_module : &cv_zmodules[mod_index];
533
534 if (mod_index >= CV_MAX_MODULES || !mod->allowed)
535 FIXME("Module of index %d isn't loaded yet (%x)\n", mod_index, typeno);
536 else
537 {
538 if (mod_typeno - FIRST_DEFINABLE_TYPE < mod->num_defined_types)
539 symt = mod->defined_types[mod_typeno - FIRST_DEFINABLE_TYPE];
540 }
541 }
542 if (!quiet && !symt && typeno) FIXME("Returning NULL symt for type-id %x\n", typeno);
543 return symt;
544 }
545
546 struct codeview_type_parse
547 {
548 struct module* module;
549 const BYTE* table;
550 const DWORD* offset;
551 DWORD num;
552 };
553
554 static inline const void* codeview_jump_to_type(const struct codeview_type_parse* ctp, DWORD idx)
555 {
556 if (idx < FIRST_DEFINABLE_TYPE) return NULL;
557 idx -= FIRST_DEFINABLE_TYPE;
558 return (idx >= ctp->num) ? NULL : (ctp->table + ctp->offset[idx]);
559 }
560
561 static int codeview_add_type(unsigned int typeno, struct symt* dt)
562 {
563 if (typeno < FIRST_DEFINABLE_TYPE)
564 FIXME("What the heck\n");
565 if (!cv_current_module)
566 {
567 FIXME("Adding %x to non allowed module\n", typeno);
568 return FALSE;
569 }
570 if ((typeno >> 24) != 0)
571 FIXME("No module index while inserting type-id assumption is wrong %x\n",
572 typeno);
573 if (typeno - FIRST_DEFINABLE_TYPE >= cv_current_module->num_defined_types)
574 {
575 if (cv_current_module->defined_types)
576 {
577 cv_current_module->num_defined_types = max( cv_current_module->num_defined_types * 2,
578 typeno - FIRST_DEFINABLE_TYPE + 1 );
579 cv_current_module->defined_types = HeapReAlloc(GetProcessHeap(),
580 HEAP_ZERO_MEMORY, cv_current_module->defined_types,
581 cv_current_module->num_defined_types * sizeof(struct symt*));
582 }
583 else
584 {
585 cv_current_module->num_defined_types = max( 256, typeno - FIRST_DEFINABLE_TYPE + 1 );
586 cv_current_module->defined_types = HeapAlloc(GetProcessHeap(),
587 HEAP_ZERO_MEMORY,
588 cv_current_module->num_defined_types * sizeof(struct symt*));
589 }
590 if (cv_current_module->defined_types == NULL) return FALSE;
591 }
592 if (cv_current_module->defined_types[typeno - FIRST_DEFINABLE_TYPE])
593 {
594 if (cv_current_module->defined_types[typeno - FIRST_DEFINABLE_TYPE] != dt)
595 FIXME("Overwriting at %x\n", typeno);
596 }
597 cv_current_module->defined_types[typeno - FIRST_DEFINABLE_TYPE] = dt;
598 return TRUE;
599 }
600
601 static void codeview_clear_type_table(void)
602 {
603 int i;
604
605 for (i = 0; i < CV_MAX_MODULES; i++)
606 {
607 if (cv_zmodules[i].allowed)
608 HeapFree(GetProcessHeap(), 0, cv_zmodules[i].defined_types);
609 cv_zmodules[i].allowed = FALSE;
610 cv_zmodules[i].defined_types = NULL;
611 cv_zmodules[i].num_defined_types = 0;
612 }
613 cv_current_module = NULL;
614 }
615
616 static struct symt* codeview_parse_one_type(struct codeview_type_parse* ctp,
617 unsigned curr_type,
618 const union codeview_type* type, BOOL details);
619
620 static void* codeview_cast_symt(struct symt* symt, enum SymTagEnum tag)
621 {
622 if (symt->tag != tag)
623 {
624 FIXME("Bad tag. Expected %d, but got %d\n", tag, symt->tag);
625 return NULL;
626 }
627 return symt;
628 }
629
630 static struct symt* codeview_fetch_type(struct codeview_type_parse* ctp,
631 unsigned typeno, BOOL details)
632 {
633 struct symt* symt;
634 const union codeview_type* p;
635
636 if (!typeno) return NULL;
637 if ((symt = codeview_get_type(typeno, TRUE))) return symt;
638
639 /* forward declaration */
640 if (!(p = codeview_jump_to_type(ctp, typeno)))
641 {
642 FIXME("Cannot locate type %x\n", typeno);
643 return NULL;
644 }
645 symt = codeview_parse_one_type(ctp, typeno, p, details);
646 if (!symt) FIXME("Couldn't load forward type %x\n", typeno);
647 return symt;
648 }
649
650 static struct symt* codeview_add_type_pointer(struct codeview_type_parse* ctp,
651 struct symt* existing,
652 unsigned int pointee_type)
653 {
654 struct symt* pointee;
655
656 if (existing)
657 {
658 existing = codeview_cast_symt(existing, SymTagPointerType);
659 return existing;
660 }
661 pointee = codeview_fetch_type(ctp, pointee_type, FALSE);
662 return &symt_new_pointer(ctp->module, pointee, sizeof(void *))->symt;
663 }
664
665 static struct symt* codeview_add_type_array(struct codeview_type_parse* ctp,
666 const char* name,
667 unsigned int elemtype,
668 unsigned int indextype,
669 unsigned int arr_len)
670 {
671 struct symt* elem = codeview_fetch_type(ctp, elemtype, FALSE);
672 struct symt* index = codeview_fetch_type(ctp, indextype, FALSE);
673
674 return &symt_new_array(ctp->module, 0, -arr_len, elem, index)->symt;
675 }
676
677 static BOOL codeview_add_type_enum_field_list(struct module* module,
678 struct symt_enum* symt,
679 const union codeview_reftype* ref_type)
680 {
681 const unsigned char* ptr = ref_type->fieldlist.list;
682 const unsigned char* last = (const BYTE*)ref_type + ref_type->generic.len + 2;
683 const union codeview_fieldtype* type;
684
685 while (ptr < last)
686 {
687 if (*ptr >= 0xf0) /* LF_PAD... */
688 {
689 ptr += *ptr & 0x0f;
690 continue;
691 }
692
693 type = (const union codeview_fieldtype*)ptr;
694
695 switch (type->generic.id)
696 {
697 case LF_ENUMERATE_V1:
698 {
699 int value, vlen = numeric_leaf(&value, &type->enumerate_v1.value);
700 const struct p_string* p_name = (const struct p_string*)((const unsigned char*)&type->enumerate_v1.value + vlen);
701
702 symt_add_enum_element(module, symt, terminate_string(p_name), value);
703 ptr += 2 + 2 + vlen + (1 + p_name->namelen);
704 break;
705 }
706 case LF_ENUMERATE_V3:
707 {
708 int value, vlen = numeric_leaf(&value, &type->enumerate_v3.value);
709 const char* name = (const char*)&type->enumerate_v3.value + vlen;
710
711 symt_add_enum_element(module, symt, name, value);
712 ptr += 2 + 2 + vlen + (1 + strlen(name));
713 break;
714 }
715
716 default:
717 FIXME("Unsupported type %04x in ENUM field list\n", type->generic.id);
718 return FALSE;
719 }
720 }
721 return TRUE;
722 }
723
724 static void codeview_add_udt_element(struct codeview_type_parse* ctp,
725 struct symt_udt* symt, const char* name,
726 int value, unsigned type)
727 {
728 struct symt* subtype;
729 const union codeview_reftype*cv_type;
730
731 if ((cv_type = codeview_jump_to_type(ctp, type)))
732 {
733 switch (cv_type->generic.id)
734 {
735 case LF_BITFIELD_V1:
736 symt_add_udt_element(ctp->module, symt, name,
737 codeview_fetch_type(ctp, cv_type->bitfield_v1.type, FALSE),
738 (value << 3) + cv_type->bitfield_v1.bitoff,
739 cv_type->bitfield_v1.nbits);
740 return;
741 case LF_BITFIELD_V2:
742 symt_add_udt_element(ctp->module, symt, name,
743 codeview_fetch_type(ctp, cv_type->bitfield_v2.type, FALSE),
744 (value << 3) + cv_type->bitfield_v2.bitoff,
745 cv_type->bitfield_v2.nbits);
746 return;
747 }
748 }
749 subtype = codeview_fetch_type(ctp, type, FALSE);
750
751 if (subtype)
752 {
753 DWORD64 elem_size = 0;
754 symt_get_info(ctp->module, subtype, TI_GET_LENGTH, &elem_size);
755 symt_add_udt_element(ctp->module, symt, name, subtype,
756 value << 3, (DWORD)elem_size << 3);
757 }
758 }
759
760 static int codeview_add_type_struct_field_list(struct codeview_type_parse* ctp,
761 struct symt_udt* symt,
762 unsigned fieldlistno)
763 {
764 const unsigned char* ptr;
765 const unsigned char* last;
766 int value, leaf_len;
767 const struct p_string* p_name;
768 const char* c_name;
769 const union codeview_reftype*type_ref;
770 const union codeview_fieldtype* type;
771
772 if (!fieldlistno) return TRUE;
773 type_ref = codeview_jump_to_type(ctp, fieldlistno);
774 ptr = type_ref->fieldlist.list;
775 last = (const BYTE*)type_ref + type_ref->generic.len + 2;
776
777 while (ptr < last)
778 {
779 if (*ptr >= 0xf0) /* LF_PAD... */
780 {
781 ptr += *ptr & 0x0f;
782 continue;
783 }
784
785 type = (const union codeview_fieldtype*)ptr;
786
787 switch (type->generic.id)
788 {
789 case LF_BCLASS_V1:
790 leaf_len = numeric_leaf(&value, &type->bclass_v1.offset);
791
792 /* FIXME: ignored for now */
793
794 ptr += 2 + 2 + 2 + leaf_len;
795 break;
796
797 case LF_BCLASS_V2:
798 leaf_len = numeric_leaf(&value, &type->bclass_v2.offset);
799
800 /* FIXME: ignored for now */
801
802 ptr += 2 + 2 + 4 + leaf_len;
803 break;
804
805 case LF_VBCLASS_V1:
806 case LF_IVBCLASS_V1:
807 {
808 const unsigned short int* p_vboff;
809 int vpoff, vplen;
810 leaf_len = numeric_leaf(&value, &type->vbclass_v1.vbpoff);
811 p_vboff = (const unsigned short int*)((const char*)&type->vbclass_v1.vbpoff + leaf_len);
812 vplen = numeric_leaf(&vpoff, p_vboff);
813
814 /* FIXME: ignored for now */
815
816 ptr += 2 + 2 + 2 + 2 + leaf_len + vplen;
817 }
818 break;
819
820 case LF_VBCLASS_V2:
821 case LF_IVBCLASS_V2:
822 {
823 const unsigned short int* p_vboff;
824 int vpoff, vplen;
825 leaf_len = numeric_leaf(&value, &type->vbclass_v2.vbpoff);
826 p_vboff = (const unsigned short int*)((const char*)&type->vbclass_v2.vbpoff + leaf_len);
827 vplen = numeric_leaf(&vpoff, p_vboff);
828
829 /* FIXME: ignored for now */
830
831 ptr += 2 + 2 + 4 + 4 + leaf_len + vplen;
832 }
833 break;
834
835 case LF_MEMBER_V1:
836 leaf_len = numeric_leaf(&value, &type->member_v1.offset);
837 p_name = (const struct p_string*)((const char*)&type->member_v1.offset + leaf_len);
838
839 codeview_add_udt_element(ctp, symt, terminate_string(p_name), value,
840 type->member_v1.type);
841
842 ptr += 2 + 2 + 2 + leaf_len + (1 + p_name->namelen);
843 break;
844
845 case LF_MEMBER_V2:
846 leaf_len = numeric_leaf(&value, &type->member_v2.offset);
847 p_name = (const struct p_string*)((const unsigned char*)&type->member_v2.offset + leaf_len);
848
849 codeview_add_udt_element(ctp, symt, terminate_string(p_name), value,
850 type->member_v2.type);
851
852 ptr += 2 + 2 + 4 + leaf_len + (1 + p_name->namelen);
853 break;
854
855 case LF_MEMBER_V3:
856 leaf_len = numeric_leaf(&value, &type->member_v3.offset);
857 c_name = (const char*)&type->member_v3.offset + leaf_len;
858
859 codeview_add_udt_element(ctp, symt, c_name, value, type->member_v3.type);
860
861 ptr += 2 + 2 + 4 + leaf_len + (strlen(c_name) + 1);
862 break;
863
864 case LF_STMEMBER_V1:
865 /* FIXME: ignored for now */
866 ptr += 2 + 2 + 2 + (1 + type->stmember_v1.p_name.namelen);
867 break;
868
869 case LF_STMEMBER_V2:
870 /* FIXME: ignored for now */
871 ptr += 2 + 4 + 2 + (1 + type->stmember_v2.p_name.namelen);
872 break;
873
874 case LF_STMEMBER_V3:
875 /* FIXME: ignored for now */
876 ptr += 2 + 4 + 2 + (strlen(type->stmember_v3.name) + 1);
877 break;
878
879 case LF_METHOD_V1:
880 /* FIXME: ignored for now */
881 ptr += 2 + 2 + 2 + (1 + type->method_v1.p_name.namelen);
882 break;
883
884 case LF_METHOD_V2:
885 /* FIXME: ignored for now */
886 ptr += 2 + 2 + 4 + (1 + type->method_v2.p_name.namelen);
887 break;
888
889 case LF_METHOD_V3:
890 /* FIXME: ignored for now */
891 ptr += 2 + 2 + 4 + (strlen(type->method_v3.name) + 1);
892 break;
893
894 case LF_NESTTYPE_V1:
895 /* FIXME: ignored for now */
896 ptr += 2 + 2 + (1 + type->nesttype_v1.p_name.namelen);
897 break;
898
899 case LF_NESTTYPE_V2:
900 /* FIXME: ignored for now */
901 ptr += 2 + 2 + 4 + (1 + type->nesttype_v2.p_name.namelen);
902 break;
903
904 case LF_NESTTYPE_V3:
905 /* FIXME: ignored for now */
906 ptr += 2 + 2 + 4 + (strlen(type->nesttype_v3.name) + 1);
907 break;
908
909 case LF_VFUNCTAB_V1:
910 /* FIXME: ignored for now */
911 ptr += 2 + 2;
912 break;
913
914 case LF_VFUNCTAB_V2:
915 /* FIXME: ignored for now */
916 ptr += 2 + 2 + 4;
917 break;
918
919 case LF_ONEMETHOD_V1:
920 /* FIXME: ignored for now */
921 switch ((type->onemethod_v1.attribute >> 2) & 7)
922 {
923 case 4: case 6: /* (pure) introducing virtual method */
924 ptr += 2 + 2 + 2 + 4 + (1 + type->onemethod_virt_v1.p_name.namelen);
925 break;
926
927 default:
928 ptr += 2 + 2 + 2 + (1 + type->onemethod_v1.p_name.namelen);
929 break;
930 }
931 break;
932
933 case LF_ONEMETHOD_V2:
934 /* FIXME: ignored for now */
935 switch ((type->onemethod_v2.attribute >> 2) & 7)
936 {
937 case 4: case 6: /* (pure) introducing virtual method */
938 ptr += 2 + 2 + 4 + 4 + (1 + type->onemethod_virt_v2.p_name.namelen);
939 break;
940
941 default:
942 ptr += 2 + 2 + 4 + (1 + type->onemethod_v2.p_name.namelen);
943 break;
944 }
945 break;
946
947 case LF_ONEMETHOD_V3:
948 /* FIXME: ignored for now */
949 switch ((type->onemethod_v3.attribute >> 2) & 7)
950 {
951 case 4: case 6: /* (pure) introducing virtual method */
952 ptr += 2 + 2 + 4 + 4 + (strlen(type->onemethod_virt_v3.name) + 1);
953 break;
954
955 default:
956 ptr += 2 + 2 + 4 + (strlen(type->onemethod_v3.name) + 1);
957 break;
958 }
959 break;
960
961 case LF_INDEX_V1:
962 if (!codeview_add_type_struct_field_list(ctp, symt, type->index_v1.ref))
963 return FALSE;
964 ptr += 2 + 2;
965 break;
966
967 case LF_INDEX_V2:
968 if (!codeview_add_type_struct_field_list(ctp, symt, type->index_v2.ref))
969 return FALSE;
970 ptr += 2 + 2 + 4;
971 break;
972
973 default:
974 FIXME("Unsupported type %04x in STRUCT field list\n", type->generic.id);
975 return FALSE;
976 }
977 }
978
979 return TRUE;
980 }
981
982 static struct symt* codeview_add_type_enum(struct codeview_type_parse* ctp,
983 struct symt* existing,
984 const char* name,
985 unsigned fieldlistno,
986 unsigned basetype)
987 {
988 struct symt_enum* symt;
989
990 if (existing)
991 {
992 if (!(symt = codeview_cast_symt(existing, SymTagEnum))) return NULL;
993 /* should also check that all fields are the same */
994 }
995 else
996 {
997 symt = symt_new_enum(ctp->module, name,
998 codeview_fetch_type(ctp, basetype, FALSE));
999 if (fieldlistno)
1000 {
1001 const union codeview_reftype* fieldlist;
1002 fieldlist = codeview_jump_to_type(ctp, fieldlistno);
1003 codeview_add_type_enum_field_list(ctp->module, symt, fieldlist);
1004 }
1005 }
1006 return &symt->symt;
1007 }
1008
1009 static struct symt* codeview_add_type_struct(struct codeview_type_parse* ctp,
1010 struct symt* existing,
1011 const char* name, int structlen,
1012 enum UdtKind kind, unsigned property)
1013 {
1014 struct symt_udt* symt;
1015
1016 /* if we don't have an existing type, try to find one with same name
1017 * FIXME: what to do when several types in different CUs have same name ?
1018 */
1019 if (!existing)
1020 {
1021 void* ptr;
1022 struct symt_ht* type;
1023 struct hash_table_iter hti;
1024
1025 hash_table_iter_init(&ctp->module->ht_types, &hti, name);
1026 while ((ptr = hash_table_iter_up(&hti)))
1027 {
1028 type = CONTAINING_RECORD(ptr, struct symt_ht, hash_elt);
1029
1030 if (type->symt.tag == SymTagUDT &&
1031 type->hash_elt.name && !strcmp(type->hash_elt.name, name))
1032 {
1033 existing = &type->symt;
1034 break;
1035 }
1036 }
1037 }
1038 if (existing)
1039 {
1040 if (!(symt = codeview_cast_symt(existing, SymTagUDT))) return NULL;
1041 /* should also check that all fields are the same */
1042 if (!(property & 0x80)) /* 0x80 = forward declaration */
1043 {
1044 if (!symt->size) /* likely prior forward declaration, set UDT size */
1045 symt_set_udt_size(ctp->module, symt, structlen);
1046 else /* different UDT with same name, create a new type */
1047 existing = NULL;
1048 }
1049 }
1050 if (!existing) symt = symt_new_udt(ctp->module, name, structlen, kind);
1051
1052 return &symt->symt;
1053 }
1054
1055 static struct symt* codeview_new_func_signature(struct codeview_type_parse* ctp,
1056 struct symt* existing,
1057 enum CV_call_e call_conv)
1058 {
1059 struct symt_function_signature* sym;
1060
1061 if (existing)
1062 {
1063 sym = codeview_cast_symt(existing, SymTagFunctionType);
1064 if (!sym) return NULL;
1065 }
1066 else
1067 {
1068 sym = symt_new_function_signature(ctp->module, NULL, call_conv);
1069 }
1070 return &sym->symt;
1071 }
1072
1073 static void codeview_add_func_signature_args(struct codeview_type_parse* ctp,
1074 struct symt_function_signature* sym,
1075 unsigned ret_type,
1076 unsigned args_list)
1077 {
1078 const union codeview_reftype* reftype;
1079
1080 sym->rettype = codeview_fetch_type(ctp, ret_type, FALSE);
1081 if (args_list && (reftype = codeview_jump_to_type(ctp, args_list)))
1082 {
1083 unsigned int i;
1084 switch (reftype->generic.id)
1085 {
1086 case LF_ARGLIST_V1:
1087 for (i = 0; i < reftype->arglist_v1.num; i++)
1088 symt_add_function_signature_parameter(ctp->module, sym,
1089 codeview_fetch_type(ctp, reftype->arglist_v1.args[i], FALSE));
1090 break;
1091 case LF_ARGLIST_V2:
1092 for (i = 0; i < reftype->arglist_v2.num; i++)
1093 symt_add_function_signature_parameter(ctp->module, sym,
1094 codeview_fetch_type(ctp, reftype->arglist_v2.args[i], FALSE));
1095 break;
1096 default:
1097 FIXME("Unexpected leaf %x for signature's pmt\n", reftype->generic.id);
1098 }
1099 }
1100 }
1101
1102 static struct symt* codeview_parse_one_type(struct codeview_type_parse* ctp,
1103 unsigned curr_type,
1104 const union codeview_type* type, BOOL details)
1105 {
1106 struct symt* symt;
1107 int value, leaf_len;
1108 const struct p_string* p_name;
1109 const char* c_name;
1110 struct symt* existing;
1111
1112 existing = codeview_get_type(curr_type, TRUE);
1113
1114 switch (type->generic.id)
1115 {
1116 case LF_MODIFIER_V1:
1117 /* FIXME: we don't handle modifiers,
1118 * but read previous type on the curr_type
1119 */
1120 WARN("Modifier on %x: %s%s%s%s\n",
1121 type->modifier_v1.type,
1122 type->modifier_v1.attribute & 0x01 ? "const " : "",
1123 type->modifier_v1.attribute & 0x02 ? "volatile " : "",
1124 type->modifier_v1.attribute & 0x04 ? "unaligned " : "",
1125 type->modifier_v1.attribute & ~0x07 ? "unknown " : "");
1126 symt = codeview_fetch_type(ctp, type->modifier_v1.type, details);
1127 break;
1128 case LF_MODIFIER_V2:
1129 /* FIXME: we don't handle modifiers, but readd previous type on the curr_type */
1130 WARN("Modifier on %x: %s%s%s%s\n",
1131 type->modifier_v2.type,
1132 type->modifier_v2.attribute & 0x01 ? "const " : "",
1133 type->modifier_v2.attribute & 0x02 ? "volatile " : "",
1134 type->modifier_v2.attribute & 0x04 ? "unaligned " : "",
1135 type->modifier_v2.attribute & ~0x07 ? "unknown " : "");
1136 symt = codeview_fetch_type(ctp, type->modifier_v2.type, details);
1137 break;
1138
1139 case LF_POINTER_V1:
1140 symt = codeview_add_type_pointer(ctp, existing, type->pointer_v1.datatype);
1141 break;
1142 case LF_POINTER_V2:
1143 symt = codeview_add_type_pointer(ctp, existing, type->pointer_v2.datatype);
1144 break;
1145
1146 case LF_ARRAY_V1:
1147 if (existing) symt = codeview_cast_symt(existing, SymTagArrayType);
1148 else
1149 {
1150 leaf_len = numeric_leaf(&value, &type->array_v1.arrlen);
1151 p_name = (const struct p_string*)((const unsigned char*)&type->array_v1.arrlen + leaf_len);
1152 symt = codeview_add_type_array(ctp, terminate_string(p_name),
1153 type->array_v1.elemtype,
1154 type->array_v1.idxtype, value);
1155 }
1156 break;
1157 case LF_ARRAY_V2:
1158 if (existing) symt = codeview_cast_symt(existing, SymTagArrayType);
1159 else
1160 {
1161 leaf_len = numeric_leaf(&value, &type->array_v2.arrlen);
1162 p_name = (const struct p_string*)((const unsigned char*)&type->array_v2.arrlen + leaf_len);
1163
1164 symt = codeview_add_type_array(ctp, terminate_string(p_name),
1165 type->array_v2.elemtype,
1166 type->array_v2.idxtype, value);
1167 }
1168 break;
1169 case LF_ARRAY_V3:
1170 if (existing) symt = codeview_cast_symt(existing, SymTagArrayType);
1171 else
1172 {
1173 leaf_len = numeric_leaf(&value, &type->array_v3.arrlen);
1174 c_name = (const char*)&type->array_v3.arrlen + leaf_len;
1175
1176 symt = codeview_add_type_array(ctp, c_name,
1177 type->array_v3.elemtype,
1178 type->array_v3.idxtype, value);
1179 }
1180 break;
1181
1182 case LF_STRUCTURE_V1:
1183 case LF_CLASS_V1:
1184 leaf_len = numeric_leaf(&value, &type->struct_v1.structlen);
1185 p_name = (const struct p_string*)((const unsigned char*)&type->struct_v1.structlen + leaf_len);
1186 symt = codeview_add_type_struct(ctp, existing, terminate_string(p_name), value,
1187 type->generic.id == LF_CLASS_V1 ? UdtClass : UdtStruct,
1188 type->struct_v1.property);
1189 if (details)
1190 {
1191 codeview_add_type(curr_type, symt);
1192 if (!(type->struct_v1.property & 0x80)) /* 0x80 = forward declaration */
1193 codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
1194 type->struct_v1.fieldlist);
1195 }
1196 break;
1197
1198 case LF_STRUCTURE_V2:
1199 case LF_CLASS_V2:
1200 leaf_len = numeric_leaf(&value, &type->struct_v2.structlen);
1201 p_name = (const struct p_string*)((const unsigned char*)&type->struct_v2.structlen + leaf_len);
1202 symt = codeview_add_type_struct(ctp, existing, terminate_string(p_name), value,
1203 type->generic.id == LF_CLASS_V2 ? UdtClass : UdtStruct,
1204 type->struct_v2.property);
1205 if (details)
1206 {
1207 codeview_add_type(curr_type, symt);
1208 if (!(type->struct_v2.property & 0x80)) /* 0x80 = forward declaration */
1209 codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
1210 type->struct_v2.fieldlist);
1211 }
1212 break;
1213
1214 case LF_STRUCTURE_V3:
1215 case LF_CLASS_V3:
1216 leaf_len = numeric_leaf(&value, &type->struct_v3.structlen);
1217 c_name = (const char*)&type->struct_v3.structlen + leaf_len;
1218 symt = codeview_add_type_struct(ctp, existing, c_name, value,
1219 type->generic.id == LF_CLASS_V3 ? UdtClass : UdtStruct,
1220 type->struct_v3.property);
1221 if (details)
1222 {
1223 codeview_add_type(curr_type, symt);
1224 if (!(type->struct_v3.property & 0x80)) /* 0x80 = forward declaration */
1225 codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
1226 type->struct_v3.fieldlist);
1227 }
1228 break;
1229
1230 case LF_UNION_V1:
1231 leaf_len = numeric_leaf(&value, &type->union_v1.un_len);
1232 p_name = (const struct p_string*)((const unsigned char*)&type->union_v1.un_len + leaf_len);
1233 symt = codeview_add_type_struct(ctp, existing, terminate_string(p_name),
1234 value, UdtUnion, type->union_v1.property);
1235 if (details)
1236 {
1237 codeview_add_type(curr_type, symt);
1238 codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
1239 type->union_v1.fieldlist);
1240 }
1241 break;
1242
1243 case LF_UNION_V2:
1244 leaf_len = numeric_leaf(&value, &type->union_v2.un_len);
1245 p_name = (const struct p_string*)((const unsigned char*)&type->union_v2.un_len + leaf_len);
1246 symt = codeview_add_type_struct(ctp, existing, terminate_string(p_name),
1247 value, UdtUnion, type->union_v2.property);
1248 if (details)
1249 {
1250 codeview_add_type(curr_type, symt);
1251 codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
1252 type->union_v2.fieldlist);
1253 }
1254 break;
1255
1256 case LF_UNION_V3:
1257 leaf_len = numeric_leaf(&value, &type->union_v3.un_len);
1258 c_name = (const char*)&type->union_v3.un_len + leaf_len;
1259 symt = codeview_add_type_struct(ctp, existing, c_name,
1260 value, UdtUnion, type->union_v3.property);
1261 if (details)
1262 {
1263 codeview_add_type(curr_type, symt);
1264 codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
1265 type->union_v3.fieldlist);
1266 }
1267 break;
1268
1269 case LF_ENUM_V1:
1270 symt = codeview_add_type_enum(ctp, existing,
1271 terminate_string(&type->enumeration_v1.p_name),
1272 type->enumeration_v1.fieldlist,
1273 type->enumeration_v1.type);
1274 break;
1275
1276 case LF_ENUM_V2:
1277 symt = codeview_add_type_enum(ctp, existing,
1278 terminate_string(&type->enumeration_v2.p_name),
1279 type->enumeration_v2.fieldlist,
1280 type->enumeration_v2.type);
1281 break;
1282
1283 case LF_ENUM_V3:
1284 symt = codeview_add_type_enum(ctp, existing, type->enumeration_v3.name,
1285 type->enumeration_v3.fieldlist,
1286 type->enumeration_v3.type);
1287 break;
1288
1289 case LF_PROCEDURE_V1:
1290 symt = codeview_new_func_signature(ctp, existing, type->procedure_v1.call);
1291 if (details)
1292 {
1293 codeview_add_type(curr_type, symt);
1294 codeview_add_func_signature_args(ctp,
1295 (struct symt_function_signature*)symt,
1296 type->procedure_v1.rvtype,
1297 type->procedure_v1.arglist);
1298 }
1299 break;
1300 case LF_PROCEDURE_V2:
1301 symt = codeview_new_func_signature(ctp, existing,type->procedure_v2.call);
1302 if (details)
1303 {
1304 codeview_add_type(curr_type, symt);
1305 codeview_add_func_signature_args(ctp,
1306 (struct symt_function_signature*)symt,
1307 type->procedure_v2.rvtype,
1308 type->procedure_v2.arglist);
1309 }
1310 break;
1311
1312 case LF_MFUNCTION_V1:
1313 /* FIXME: for C++, this is plain wrong, but as we don't use arg types
1314 * nor class information, this would just do for now
1315 */
1316 symt = codeview_new_func_signature(ctp, existing, type->mfunction_v1.call);
1317 if (details)
1318 {
1319 codeview_add_type(curr_type, symt);
1320 codeview_add_func_signature_args(ctp,
1321 (struct symt_function_signature*)symt,
1322 type->mfunction_v1.rvtype,
1323 type->mfunction_v1.arglist);
1324 }
1325 break;
1326 case LF_MFUNCTION_V2:
1327 /* FIXME: for C++, this is plain wrong, but as we don't use arg types
1328 * nor class information, this would just do for now
1329 */
1330 symt = codeview_new_func_signature(ctp, existing, type->mfunction_v2.call);
1331 if (details)
1332 {
1333 codeview_add_type(curr_type, symt);
1334 codeview_add_func_signature_args(ctp,
1335 (struct symt_function_signature*)symt,
1336 type->mfunction_v2.rvtype,
1337 type->mfunction_v2.arglist);
1338 }
1339 break;
1340
1341 case LF_VTSHAPE_V1:
1342 /* this is an ugly hack... FIXME when we have C++ support */
1343 if (!(symt = existing))
1344 {
1345 char buf[128];
1346 snprintf(buf, sizeof(buf), "__internal_vt_shape_%x\n", curr_type);
1347 symt = &symt_new_udt(ctp->module, buf, 0, UdtStruct)->symt;
1348 }
1349 break;
1350 default:
1351 FIXME("Unsupported type-id leaf %x\n", type->generic.id);
1352 dump(type, 2 + type->generic.len);
1353 return NULL;
1354 }
1355 return codeview_add_type(curr_type, symt) ? symt : NULL;
1356 }
1357
1358 static BOOL codeview_parse_type_table(struct codeview_type_parse* ctp)
1359 {
1360 unsigned int curr_type = FIRST_DEFINABLE_TYPE;
1361 const union codeview_type* type;
1362
1363 for (curr_type = FIRST_DEFINABLE_TYPE; curr_type < FIRST_DEFINABLE_TYPE + ctp->num; curr_type++)
1364 {
1365 type = codeview_jump_to_type(ctp, curr_type);
1366
1367 /* type records we're interested in are the ones referenced by symbols
1368 * The known ranges are (X mark the ones we want):
1369 * X 0000-0016 for V1 types
1370 * 0200-020c for V1 types referenced by other types
1371 * 0400-040f for V1 types (complex lists & sets)
1372 * X 1000-100f for V2 types
1373 * 1200-120c for V2 types referenced by other types
1374 * 1400-140f for V1 types (complex lists & sets)
1375 * X 1500-150d for V3 types
1376 * 8000-8010 for numeric leafes
1377 */
1378 if (!(type->generic.id & 0x8600) || (type->generic.id & 0x0100))
1379 codeview_parse_one_type(ctp, curr_type, type, TRUE);
1380 }
1381
1382 return TRUE;
1383 }
1384
1385 /*========================================================================
1386 * Process CodeView line number information.
1387 */
1388 static unsigned long codeview_get_address(const struct msc_debug_info* msc_dbg,
1389 unsigned seg, unsigned offset);
1390
1391 static void codeview_snarf_linetab(const struct msc_debug_info* msc_dbg, const BYTE* linetab,
1392 int size, BOOL pascal_str)
1393 {
1394 const BYTE* ptr = linetab;
1395 int nfile, nseg;
1396 int i, j;
1397 unsigned int k;
1398 const unsigned int* filetab;
1399 const unsigned int* lt_ptr;
1400 const unsigned short* linenos;
1401 const struct startend* start;
1402 unsigned source;
1403 unsigned long addr, func_addr0;
1404 struct symt_function* func;
1405 const struct codeview_linetab_block* ltb;
1406
1407 nfile = *(const short*)linetab;
1408 filetab = (const unsigned int*)(linetab + 2 * sizeof(short));
1409
1410 for (i = 0; i < nfile; i++)
1411 {
1412 ptr = linetab + filetab[i];
1413 nseg = *(const short*)ptr;
1414 lt_ptr = (const unsigned int*)(ptr + 2 * sizeof(short));
1415 start = (const struct startend*)(lt_ptr + nseg);
1416
1417 /*
1418 * Now snarf the filename for all of the segments for this file.
1419 */
1420 if (pascal_str)
1421 source = source_new(msc_dbg->module, NULL, terminate_string((const struct p_string*)(start + nseg)));
1422 else
1423 source = source_new(msc_dbg->module, NULL, (const char*)(start + nseg));
1424
1425 for (j = 0; j < nseg; j++)
1426 {
1427 ltb = (const struct codeview_linetab_block*)(linetab + *lt_ptr++);
1428 linenos = (const unsigned short*)&ltb->offsets[ltb->num_lines];
1429 func_addr0 = codeview_get_address(msc_dbg, ltb->seg, start[j].start);
1430 if (!func_addr0) continue;
1431 for (func = NULL, k = 0; k < ltb->num_lines; k++)
1432 {
1433 /* now locate function (if any) */
1434 addr = func_addr0 + ltb->offsets[k] - start[j].start;
1435 /* unfortunately, we can have several functions in the same block, if there's no
1436 * gap between them... find the new function if needed
1437 */
1438 if (!func || addr >= func->address + func->size)
1439 {
1440 func = (struct symt_function*)symt_find_nearest(msc_dbg->module, addr);
1441 /* FIXME: at least labels support line numbers */
1442 if (!func || func->symt.tag != SymTagFunction)
1443 {
1444 WARN("--not a func at %04x:%08x %lx tag=%d\n",
1445 ltb->seg, ltb->offsets[k], addr, func ? func->symt.tag : -1);
1446 func = NULL;
1447 break;
1448 }
1449 }
1450 symt_add_func_line(msc_dbg->module, func, source,
1451 linenos[k], addr - func->address);
1452 }
1453 }
1454 }
1455 }
1456
1457 static void codeview_snarf_linetab2(const struct msc_debug_info* msc_dbg, const BYTE* linetab, DWORD size,
1458 const char* strimage, DWORD strsize)
1459 {
1460 unsigned i;
1461 DWORD_PTR addr;
1462 const struct codeview_linetab2* lt2;
1463 const struct codeview_linetab2* lt2_files = NULL;
1464 const struct codeview_lt2blk_lines* lines_blk;
1465 const struct codeview_linetab2_file*fd;
1466 unsigned source;
1467 struct symt_function* func;
1468
1469 /* locate LT2_FILES_BLOCK (if any) */
1470 lt2 = (const struct codeview_linetab2*)linetab;
1471 while ((const BYTE*)(lt2 + 1) < linetab + size)
1472 {
1473 if (lt2->header == LT2_FILES_BLOCK)
1474 {
1475 lt2_files = lt2;
1476 break;
1477 }
1478 lt2 = codeview_linetab2_next_block(lt2);
1479 }
1480 if (!lt2_files)
1481 {
1482 TRACE("No LT2_FILES_BLOCK found\n");
1483 return;
1484 }
1485
1486 lt2 = (const struct codeview_linetab2*)linetab;
1487 while ((const BYTE*)(lt2 + 1) < linetab + size)
1488 {
1489 /* FIXME: should also check that whole lines_blk fits in linetab + size */
1490 switch (lt2->header)
1491 {
1492 case LT2_LINES_BLOCK:
1493 /* Skip blocks that are too small - Intel C Compiler generates these. */
1494 if (lt2->size_of_block < sizeof (struct codeview_lt2blk_lines)) break;
1495 lines_blk = (const struct codeview_lt2blk_lines*)lt2;
1496 /* FIXME: should check that file_offset is within the LT2_FILES_BLOCK we've seen */
1497 addr = codeview_get_address(msc_dbg, lines_blk->seg, lines_blk->start);
1498 TRACE("block from %04x:%08x #%x (%x lines)\n",
1499 lines_blk->seg, lines_blk->start, lines_blk->size, lines_blk->nlines);
1500 fd = (const struct codeview_linetab2_file*)((const char*)lt2_files + 8 + lines_blk->file_offset);
1501 /* FIXME: should check that string is within strimage + strsize */
1502 source = source_new(msc_dbg->module, NULL, strimage + fd->offset);
1503 func = (struct symt_function*)symt_find_nearest(msc_dbg->module, addr);
1504 /* FIXME: at least labels support line numbers */
1505 if (!func || func->symt.tag != SymTagFunction)
1506 {
1507 WARN("--not a func at %04x:%08x %lx tag=%d\n",
1508 lines_blk->seg, lines_blk->start, addr, func ? func->symt.tag : -1);
1509 break;
1510 }
1511 for (i = 0; i < lines_blk->nlines; i++)
1512 {
1513 symt_add_func_line(msc_dbg->module, func, source,
1514 lines_blk->l[i].lineno ^ 0x80000000,
1515 lines_blk->l[i].offset);
1516 }
1517 break;
1518 case LT2_FILES_BLOCK: /* skip */
1519 break;
1520 default:
1521 TRACE("Block end %x\n", lt2->header);
1522 lt2 = (const struct codeview_linetab2*)((const char*)linetab + size);
1523 continue;
1524 }
1525 lt2 = codeview_linetab2_next_block(lt2);
1526 }
1527 }
1528
1529 /*========================================================================
1530 * Process CodeView symbol information.
1531 */
1532
1533 static unsigned int codeview_map_offset(const struct msc_debug_info* msc_dbg,
1534 unsigned int offset)
1535 {
1536 int nomap = msc_dbg->nomap;
1537 const OMAP_DATA* omapp = msc_dbg->omapp;
1538 int i;
1539
1540 if (!nomap || !omapp) return offset;
1541
1542 /* FIXME: use binary search */
1543 for (i = 0; i < nomap - 1; i++)
1544 if (omapp[i].from <= offset && omapp[i+1].from > offset)
1545 return !omapp[i].to ? 0 : omapp[i].to + (offset - omapp[i].from);
1546
1547 return 0;
1548 }
1549
1550 static unsigned long codeview_get_address(const struct msc_debug_info* msc_dbg,
1551 unsigned seg, unsigned offset)
1552 {
1553 int nsect = msc_dbg->nsect;
1554 const IMAGE_SECTION_HEADER* sectp = msc_dbg->sectp;
1555
1556 if (!seg || seg > nsect) return 0;
1557 return msc_dbg->module->module.BaseOfImage +
1558 codeview_map_offset(msc_dbg, sectp[seg-1].VirtualAddress + offset);
1559 }
1560
1561 static inline void codeview_add_variable(const struct msc_debug_info* msc_dbg,
1562 struct symt_compiland* compiland,
1563 const char* name,
1564 unsigned segment, unsigned offset,
1565 unsigned symtype, BOOL is_local, BOOL in_tls, BOOL force)
1566 {
1567 if (name && *name)
1568 {
1569 struct location loc;
1570
1571 loc.kind = in_tls ? loc_tlsrel : loc_absolute;
1572 loc.reg = 0;
1573 loc.offset = in_tls ? offset : codeview_get_address(msc_dbg, segment, offset);
1574 if (force || in_tls || !symt_find_nearest(msc_dbg->module, loc.offset))
1575 {
1576 symt_new_global_variable(msc_dbg->module, compiland,
1577 name, is_local, loc, 0,
1578 codeview_get_type(symtype, FALSE));
1579 }
1580 }
1581 }
1582
1583 static BOOL codeview_snarf(const struct msc_debug_info* msc_dbg, const BYTE* root,
1584 int offset, int size, BOOL do_globals)
1585 {
1586 struct symt_function* curr_func = NULL;
1587 int i, length;
1588 struct symt_block* block = NULL;
1589 struct symt* symt;
1590 struct symt_compiland* compiland = NULL;
1591 struct location loc;
1592
1593 /*
1594 * Loop over the different types of records and whenever we
1595 * find something we are interested in, record it and move on.
1596 */
1597 for (i = offset; i < size; i += length)
1598 {
1599 const union codeview_symbol* sym = (const union codeview_symbol*)(root + i);
1600 length = sym->generic.len + 2;
1601 if (i + length > size) break;
1602 if (!sym->generic.id || length < 4) break;
1603 if (length & 3) FIXME("unpadded len %u\n", length);
1604
1605 switch (sym->generic.id)
1606 {
1607 /*
1608 * Global and local data symbols. We don't associate these
1609 * with any given source file.
1610 */
1611 case S_GDATA_V1:
1612 case S_LDATA_V1:
1613 if (do_globals)
1614 codeview_add_variable(msc_dbg, compiland, terminate_string(&sym->data_v1.p_name),
1615 sym->data_v1.segment, sym->data_v1.offset, sym->data_v1.symtype,
1616 sym->generic.id == S_LDATA_V1, FALSE, TRUE);
1617 break;
1618 case S_GDATA_V2:
1619 case S_LDATA_V2:
1620 if (do_globals)
1621 codeview_add_variable(msc_dbg, compiland, terminate_string(&sym->data_v2.p_name),
1622 sym->data_v2.segment, sym->data_v2.offset, sym->data_v2.symtype,
1623 sym->generic.id == S_LDATA_V2, FALSE, TRUE);
1624 break;
1625 case S_GDATA_V3:
1626 case S_LDATA_V3:
1627 if (do_globals)
1628 codeview_add_variable(msc_dbg, compiland, sym->data_v3.name,
1629 sym->data_v3.segment, sym->data_v3.offset, sym->data_v3.symtype,
1630 sym->generic.id == S_LDATA_V3, FALSE, TRUE);
1631 break;
1632
1633 /* variables with thread storage */
1634 case S_GTHREAD_V1:
1635 case S_LTHREAD_V1:
1636 if (do_globals)
1637 codeview_add_variable(msc_dbg, compiland, terminate_string(&sym->thread_v1.p_name),
1638 sym->thread_v1.segment, sym->thread_v1.offset, sym->thread_v1.symtype,
1639 sym->generic.id == S_LTHREAD_V1, TRUE, TRUE);
1640 break;
1641 case S_GTHREAD_V2:
1642 case S_LTHREAD_V2:
1643 if (do_globals)
1644 codeview_add_variable(msc_dbg, compiland, terminate_string(&sym->thread_v2.p_name),
1645 sym->thread_v2.segment, sym->thread_v2.offset, sym->thread_v2.symtype,
1646 sym->generic.id == S_LTHREAD_V2, TRUE, TRUE);
1647 break;
1648 case S_GTHREAD_V3:
1649 case S_LTHREAD_V3:
1650 if (do_globals)
1651 codeview_add_variable(msc_dbg, compiland, sym->thread_v3.name,
1652 sym->thread_v3.segment, sym->thread_v3.offset, sym->thread_v3.symtype,
1653 sym->generic.id == S_LTHREAD_V3, TRUE, TRUE);
1654 break;
1655
1656 /* Public symbols */
1657 case S_PUB_V1:
1658 case S_PUB_V2:
1659 case S_PUB_V3:
1660 case S_PUB_FUNC1_V3:
1661 case S_PUB_FUNC2_V3:
1662 /* will be handled later on in codeview_snarf_public */
1663 break;
1664
1665 /*
1666 * Sort of like a global function, but it just points
1667 * to a thunk, which is a stupid name for what amounts to
1668 * a PLT slot in the normal jargon that everyone else uses.
1669 */
1670 case S_THUNK_V1:
1671 symt_new_thunk(msc_dbg->module, compiland,
1672 terminate_string(&sym->thunk_v1.p_name), sym->thunk_v1.thtype,
1673 codeview_get_address(msc_dbg, sym->thunk_v1.segment, sym->thunk_v1.offset),
1674 sym->thunk_v1.thunk_len);
1675 break;
1676 case S_THUNK_V3:
1677 symt_new_thunk(msc_dbg->module, compiland,
1678 sym->thunk_v3.name, sym->thunk_v3.thtype,
1679 codeview_get_address(msc_dbg, sym->thunk_v3.segment, sym->thunk_v3.offset),
1680 sym->thunk_v3.thunk_len);
1681 break;
1682
1683 /*
1684 * Global and static functions.
1685 */
1686 case S_GPROC_V1:
1687 case S_LPROC_V1:
1688 if (curr_func) FIXME("nested function\n");
1689 curr_func = symt_new_function(msc_dbg->module, compiland,
1690 terminate_string(&sym->proc_v1.p_name),
1691 codeview_get_address(msc_dbg, sym->proc_v1.segment, sym->proc_v1.offset),
1692 sym->proc_v1.proc_len,
1693 codeview_get_type(sym->proc_v1.proctype, FALSE));
1694 loc.kind = loc_absolute;
1695 loc.offset = sym->proc_v1.debug_start;
1696 symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugStart, &loc, NULL);
1697 loc.offset = sym->proc_v1.debug_end;
1698 symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugEnd, &loc, NULL);
1699 break;
1700 case S_GPROC_V2:
1701 case S_LPROC_V2:
1702 if (curr_func) FIXME("nested function\n");
1703 curr_func = symt_new_function(msc_dbg->module, compiland,
1704 terminate_string(&sym->proc_v2.p_name),
1705 codeview_get_address(msc_dbg, sym->proc_v2.segment, sym->proc_v2.offset),
1706 sym->proc_v2.proc_len,
1707 codeview_get_type(sym->proc_v2.proctype, FALSE));
1708 loc.kind = loc_absolute;
1709 loc.offset = sym->proc_v2.debug_start;
1710 symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugStart, &loc, NULL);
1711 loc.offset = sym->proc_v2.debug_end;
1712 symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugEnd, &loc, NULL);
1713 break;
1714 case S_GPROC_V3:
1715 case S_LPROC_V3:
1716 if (curr_func) FIXME("nested function\n");
1717 curr_func = symt_new_function(msc_dbg->module, compiland,
1718 sym->proc_v3.name,
1719 codeview_get_address(msc_dbg, sym->proc_v3.segment, sym->proc_v3.offset),
1720 sym->proc_v3.proc_len,
1721 codeview_get_type(sym->proc_v3.proctype, FALSE));
1722 loc.kind = loc_absolute;
1723 loc.offset = sym->proc_v3.debug_start;
1724 symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugStart, &loc, NULL);
1725 loc.offset = sym->proc_v3.debug_end;
1726 symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugEnd, &loc, NULL);
1727 break;
1728 /*
1729 * Function parameters and stack variables.
1730 */
1731 case S_BPREL_V1:
1732 loc.kind = loc_regrel;
1733 /* Yes, it's i386 dependent, but that's the symbol purpose. S_REGREL is used on other CPUs */
1734 loc.reg = CV_REG_EBP;
1735 loc.offset = sym->stack_v1.offset;
1736 symt_add_func_local(msc_dbg->module, curr_func,
1737 sym->stack_v1.offset > 0 ? DataIsParam : DataIsLocal,
1738 &loc, block,
1739 codeview_get_type(sym->stack_v1.symtype, FALSE),
1740 terminate_string(&sym->stack_v1.p_name));
1741 break;
1742 case S_BPREL_V2:
1743 loc.kind = loc_regrel;
1744 /* Yes, it's i386 dependent, but that's the symbol purpose. S_REGREL is used on other CPUs */
1745 loc.reg = CV_REG_EBP;
1746 loc.offset = sym->stack_v2.offset;
1747 symt_add_func_local(msc_dbg->module, curr_func,
1748 sym->stack_v2.offset > 0 ? DataIsParam : DataIsLocal,
1749 &loc, block,
1750 codeview_get_type(sym->stack_v2.symtype, FALSE),
1751 terminate_string(&sym->stack_v2.p_name));
1752 break;
1753 case S_BPREL_V3:
1754 loc.kind = loc_regrel;
1755 /* Yes, it's i386 dependent, but that's the symbol purpose. S_REGREL is used on other CPUs */
1756 loc.reg = CV_REG_EBP;
1757 loc.offset = sym->stack_v3.offset;
1758 symt_add_func_local(msc_dbg->module, curr_func,
1759 sym->stack_v3.offset > 0 ? DataIsParam : DataIsLocal,
1760 &loc, block,
1761 codeview_get_type(sym->stack_v3.symtype, FALSE),
1762 sym->stack_v3.name);
1763 break;
1764 case S_REGREL_V3:
1765 loc.kind = loc_regrel;
1766 loc.reg = sym->regrel_v3.reg;
1767 loc.offset = sym->regrel_v3.offset;
1768 symt_add_func_local(msc_dbg->module, curr_func,
1769 /* FIXME this is wrong !!! */
1770 sym->regrel_v3.offset > 0 ? DataIsParam : DataIsLocal,
1771 &loc, block,
1772 codeview_get_type(sym->regrel_v3.symtype, FALSE),
1773 sym->regrel_v3.name);
1774 break;
1775
1776 case S_REGISTER_V1:
1777 loc.kind = loc_register;
1778 loc.reg = sym->register_v1.reg;
1779 loc.offset = 0;
1780 symt_add_func_local(msc_dbg->module, curr_func,
1781 DataIsLocal, &loc,
1782 block, codeview_get_type(sym->register_v1.type, FALSE),
1783 terminate_string(&sym->register_v1.p_name));
1784 break;
1785 case S_REGISTER_V2:
1786 loc.kind = loc_register;
1787 loc.reg = sym->register_v2.reg;
1788 loc.offset = 0;
1789 symt_add_func_local(msc_dbg->module, curr_func,
1790 DataIsLocal, &loc,
1791 block, codeview_get_type(sym->register_v2.type, FALSE),
1792 terminate_string(&sym->register_v2.p_name));
1793 break;
1794 case S_REGISTER_V3:
1795 loc.kind = loc_register;
1796 loc.reg = sym->register_v3.reg;
1797 loc.offset = 0;
1798 symt_add_func_local(msc_dbg->module, curr_func,
1799 DataIsLocal, &loc,
1800 block, codeview_get_type(sym->register_v3.type, FALSE),
1801 sym->register_v3.name);
1802 break;
1803
1804 case S_BLOCK_V1:
1805 block = symt_open_func_block(msc_dbg->module, curr_func, block,
1806 codeview_get_address(msc_dbg, sym->block_v1.segment, sym->block_v1.offset),
1807 sym->block_v1.length);
1808 break;
1809 case S_BLOCK_V3:
1810 block = symt_open_func_block(msc_dbg->module, curr_func, block,
1811 codeview_get_address(msc_dbg, sym->block_v3.segment, sym->block_v3.offset),
1812 sym->block_v3.length);
1813 break;
1814
1815 case S_END_V1:
1816 if (block)
1817 {
1818 block = symt_close_func_block(msc_dbg->module, curr_func, block, 0);
1819 }
1820 else if (curr_func)
1821 {
1822 symt_normalize_function(msc_dbg->module, curr_func);
1823 curr_func = NULL;
1824 }
1825 break;
1826
1827 case S_COMPILAND_V1:
1828 TRACE("S-Compiland-V1 %x %s\n",
1829 sym->compiland_v1.unknown, terminate_string(&sym->compiland_v1.p_name));
1830 break;
1831
1832 case S_COMPILAND_V2:
1833 TRACE("S-Compiland-V2 %s\n", terminate_string(&sym->compiland_v2.p_name));
1834 if (TRACE_ON(dbghelp_msc))
1835 {
1836 const char* ptr1 = sym->compiland_v2.p_name.name + sym->compiland_v2.p_name.namelen;
1837 const char* ptr2;
1838 while (*ptr1)
1839 {
1840 ptr2 = ptr1 + strlen(ptr1) + 1;
1841 TRACE("\t%s => %s\n", ptr1, debugstr_a(ptr2));
1842 ptr1 = ptr2 + strlen(ptr2) + 1;
1843 }
1844 }
1845 break;
1846 case S_COMPILAND_V3:
1847 TRACE("S-Compiland-V3 %s\n", sym->compiland_v3.name);
1848 if (TRACE_ON(dbghelp_msc))
1849 {
1850 const char* ptr1 = sym->compiland_v3.name + strlen(sym->compiland_v3.name);
1851 const char* ptr2;
1852 while (*ptr1)
1853 {
1854 ptr2 = ptr1 + strlen(ptr1) + 1;
1855 TRACE("\t%s => %s\n", ptr1, debugstr_a(ptr2));
1856 ptr1 = ptr2 + strlen(ptr2) + 1;
1857 }
1858 }
1859 break;
1860
1861 case S_OBJNAME_V1:
1862 TRACE("S-ObjName %s\n", terminate_string(&sym->objname_v1.p_name));
1863 compiland = symt_new_compiland(msc_dbg->module, 0 /* FIXME */,
1864 source_new(msc_dbg->module, NULL,
1865 terminate_string(&sym->objname_v1.p_name)));
1866 break;
1867
1868 case S_LABEL_V1:
1869 if (curr_func)
1870 {
1871 loc.kind = loc_absolute;
1872 loc.offset = codeview_get_address(msc_dbg, sym->label_v1.segment, sym->label_v1.offset) - curr_func->address;
1873 symt_add_function_point(msc_dbg->module, curr_func, SymTagLabel, &loc,
1874 terminate_string(&sym->label_v1.p_name));
1875 }
1876 else symt_new_label(msc_dbg->module, compiland,
1877 terminate_string(&sym->label_v1.p_name),
1878 codeview_get_address(msc_dbg, sym->label_v1.segment, sym->label_v1.offset));
1879 break;
1880 case S_LABEL_V3:
1881 if (curr_func)
1882 {
1883 loc.kind = loc_absolute;
1884 loc.offset = codeview_get_address(msc_dbg, sym->label_v3.segment, sym->label_v3.offset) - curr_func->address;
1885 symt_add_function_point(msc_dbg->module, curr_func, SymTagLabel,
1886 &loc, sym->label_v3.name);
1887 }
1888 else symt_new_label(msc_dbg->module, compiland, sym->label_v3.name,
1889 codeview_get_address(msc_dbg, sym->label_v3.segment, sym->label_v3.offset));
1890 break;
1891
1892 case S_CONSTANT_V1:
1893 {
1894 int vlen;
1895 const struct p_string* name;
1896 struct symt* se;
1897 VARIANT v;
1898
1899 vlen = leaf_as_variant(&v, &sym->constant_v1.cvalue);
1900 name = (const struct p_string*)((const char*)&sym->constant_v1.cvalue + vlen);
1901 se = codeview_get_type(sym->constant_v1.type, FALSE);
1902
1903 TRACE("S-Constant-V1 %u %s %x\n",
1904 v.n1.n2.n3.intVal, terminate_string(name), sym->constant_v1.type);
1905 symt_new_constant(msc_dbg->module, compiland, terminate_string(name),
1906 se, &v);
1907 }
1908 break;
1909 case S_CONSTANT_V2:
1910 {
1911 int vlen;
1912 const struct p_string* name;
1913 struct symt* se;
1914 VARIANT v;
1915
1916 vlen = leaf_as_variant(&v, &sym->constant_v2.cvalue);
1917 name = (const struct p_string*)((const char*)&sym->constant_v2.cvalue + vlen);
1918 se = codeview_get_type(sym->constant_v2.type, FALSE);
1919
1920 TRACE("S-Constant-V2 %u %s %x\n",
1921 v.n1.n2.n3.intVal, terminate_string(name), sym->constant_v2.type);
1922 symt_new_constant(msc_dbg->module, compiland, terminate_string(name),
1923 se, &v);
1924 }
1925 break;
1926 case S_CONSTANT_V3:
1927 {
1928 int vlen;
1929 const char* name;
1930 struct symt* se;
1931 VARIANT v;
1932
1933 vlen = leaf_as_variant(&v, &sym->constant_v3.cvalue);
1934 name = (const char*)&sym->constant_v3.cvalue + vlen;
1935 se = codeview_get_type(sym->constant_v3.type, FALSE);
1936
1937 TRACE("S-Constant-V3 %u %s %x\n",
1938 v.n1.n2.n3.intVal, name, sym->constant_v3.type);
1939 /* FIXME: we should add this as a constant value */
1940 symt_new_constant(msc_dbg->module, compiland, name, se, &v);
1941 }
1942 break;
1943
1944 case S_UDT_V1:
1945 if (sym->udt_v1.type)
1946 {
1947 if ((symt = codeview_get_type(sym->udt_v1.type, FALSE)))
1948 symt_new_typedef(msc_dbg->module, symt,
1949 terminate_string(&sym->udt_v1.p_name));
1950 else
1951 FIXME("S-Udt %s: couldn't find type 0x%x\n",
1952 terminate_string(&sym->udt_v1.p_name), sym->udt_v1.type);
1953 }
1954 break;
1955 case S_UDT_V2:
1956 if (sym->udt_v2.type)
1957 {
1958 if ((symt = codeview_get_type(sym->udt_v2.type, FALSE)))
1959 symt_new_typedef(msc_dbg->module, symt,
1960 terminate_string(&sym->udt_v2.p_name));
1961 else
1962 FIXME("S-Udt %s: couldn't find type 0x%x\n",
1963 terminate_string(&sym->udt_v2.p_name), sym->udt_v2.type);
1964 }
1965 break;
1966 case S_UDT_V3:
1967 if (sym->udt_v3.type)
1968 {
1969 if ((symt = codeview_get_type(sym->udt_v3.type, FALSE)))
1970 symt_new_typedef(msc_dbg->module, symt, sym->udt_v3.name);
1971 else
1972 FIXME("S-Udt %s: couldn't find type 0x%x\n",
1973 sym->udt_v3.name, sym->udt_v3.type);
1974 }
1975 break;
1976
1977 /*
1978 * These are special, in that they are always followed by an
1979 * additional length-prefixed string which is *not* included
1980 * into the symbol length count. We need to skip it.
1981 */
1982 case S_PROCREF_V1:
1983 case S_DATAREF_V1:
1984 case S_LPROCREF_V1:
1985 {
1986 const char* name;
1987
1988 name = (const char*)sym + length;
1989 length += (*name + 1 + 3) & ~3;
1990 break;
1991 }
1992
1993 case S_MSTOOL_V3: /* just to silence a few warnings */
1994 case S_MSTOOLINFO_V3:
1995 case S_MSTOOLENV_V3:
1996 break;
1997
1998 case S_SSEARCH_V1:
1999 TRACE("Start search: seg=0x%x at offset 0x%08x\n",
2000 sym->ssearch_v1.segment, sym->ssearch_v1.offset);
2001 break;
2002
2003 case S_ALIGN_V1:
2004 TRACE("S-Align V1\n");
2005 break;
2006
2007 /* the symbols we can safely ignore for now */
2008 case S_TRAMPOLINE:
2009 case S_FRAMEINFO_V2:
2010 case S_SECUCOOKIE_V3:
2011 case S_SECTINFO_V3:
2012 case S_SUBSECTINFO_V3:
2013 case S_ENTRYPOINT_V3:
2014 case S_LOCAL_VS2013:
2015 case S_CALLSITEINFO:
2016 case S_DEFRANGE_REGISTER:
2017 case S_DEFRANGE_FRAMEPOINTER_REL:
2018 case S_DEFRANGE_SUBFIELD_REGISTER:
2019 case S_FPOFF_VS2013:
2020 case S_DEFRANGE_REGISTER_REL:
2021 case S_BUILDINFO:
2022 case S_INLINESITE:
2023 case S_INLINESITE_END:
2024 case S_FILESTATIC:
2025 case S_CALLEES:
2026 TRACE("Unsupported symbol id %x\n", sym->generic.id);
2027 break;
2028
2029 default:
2030 FIXME("Unsupported symbol id %x\n", sym->generic.id);
2031 dump(sym, 2 + sym->generic.len);
2032 break;
2033 }
2034 }
2035
2036 if (curr_func) symt_normalize_function(msc_dbg->module, curr_func);
2037
2038 return TRUE;
2039 }
2040
2041 static BOOL codeview_snarf_public(const struct msc_debug_info* msc_dbg, const BYTE* root,
2042 int offset, int size)
2043
2044 {
2045 int i, length;
2046 struct symt_compiland* compiland = NULL;
2047
2048 /*
2049 * Loop over the different types of records and whenever we
2050 * find something we are interested in, record it and move on.
2051 */
2052 for (i = offset; i < size; i += length)
2053 {
2054 const union codeview_symbol* sym = (const union codeview_symbol*)(root + i);
2055 length = sym->generic.len + 2;
2056 if (i + length > size) break;
2057 if (!sym->generic.id || length < 4) break;
2058 if (length & 3) FIXME("unpadded len %u\n", length);
2059
2060 switch (sym->generic.id)
2061 {
2062 case S_PUB_V1: /* FIXME is this really a 'data_v1' structure ?? */
2063 if (!(dbghelp_options & SYMOPT_NO_PUBLICS))
2064 {
2065 symt_new_public(msc_dbg->module, compiland,
2066 terminate_string(&sym->data_v1.p_name),
2067 codeview_get_address(msc_dbg, sym->data_v1.segment, sym->data_v1.offset), 1);
2068 }
2069 break;
2070 case S_PUB_V2: /* FIXME is this really a 'data_v2' structure ?? */
2071 if (!(dbghelp_options & SYMOPT_NO_PUBLICS))
2072 {
2073 symt_new_public(msc_dbg->module, compiland,
2074 terminate_string(&sym->data_v2.p_name),
2075 codeview_get_address(msc_dbg, sym->data_v2.segment, sym->data_v2.offset), 1);
2076 }
2077 break;
2078
2079 case S_PUB_V3:
2080 if (!(dbghelp_options & SYMOPT_NO_PUBLICS))
2081 {
2082 symt_new_public(msc_dbg->module, compiland,
2083 sym->data_v3.name,
2084 codeview_get_address(msc_dbg, sym->data_v3.segment, sym->data_v3.offset), 1);
2085 }
2086 break;
2087 case S_PUB_FUNC1_V3:
2088 case S_PUB_FUNC2_V3: /* using a data_v3 isn't what we'd expect */
2089 #if 0
2090 /* FIXME: this is plain wrong (from a simple test) */
2091 if (!(dbghelp_options & SYMOPT_NO_PUBLICS))
2092 {
2093 symt_new_public(msc_dbg->module, compiland,
2094 sym->data_v3.name,
2095 codeview_get_address(msc_dbg, sym->data_v3.segment, sym->data_v3.offset), 1);
2096 }
2097 #endif
2098 break;
2099 /*
2100 * Global and local data symbols. We don't associate these
2101 * with any given source file.
2102 */
2103 case S_GDATA_V1:
2104 case S_LDATA_V1:
2105 codeview_add_variable(msc_dbg, compiland, terminate_string(&sym->data_v1.p_name),
2106 sym->data_v1.segment, sym->data_v1.offset, sym->data_v1.symtype,
2107 sym->generic.id == S_LDATA_V1, FALSE, FALSE);
2108 break;
2109 case S_GDATA_V2:
2110 case S_LDATA_V2:
2111 codeview_add_variable(msc_dbg, compiland, terminate_string(&sym->data_v2.p_name),
2112 sym->data_v2.segment, sym->data_v2.offset, sym->data_v2.symtype,
2113 sym->generic.id == S_LDATA_V2, FALSE, FALSE);
2114 break;
2115 case S_GDATA_V3:
2116 case S_LDATA_V3:
2117 codeview_add_variable(msc_dbg, compiland, sym->data_v3.name,
2118 sym->data_v3.segment, sym->data_v3.offset, sym->data_v3.symtype,
2119 sym->generic.id == S_LDATA_V3, FALSE, FALSE);
2120 break;
2121
2122 /* variables with thread storage */
2123 case S_GTHREAD_V1:
2124 case S_LTHREAD_V1:
2125 codeview_add_variable(msc_dbg, compiland, terminate_string(&sym->thread_v1.p_name),
2126 sym->thread_v1.segment, sym->thread_v1.offset, sym->thread_v1.symtype,
2127 sym->generic.id == S_LTHREAD_V1, TRUE, FALSE);
2128 break;
2129 case S_GTHREAD_V2:
2130 case S_LTHREAD_V2:
2131 codeview_add_variable(msc_dbg, compiland, terminate_string(&sym->thread_v2.p_name),
2132 sym->thread_v2.segment, sym->thread_v2.offset, sym->thread_v2.symtype,
2133 sym->generic.id == S_LTHREAD_V2, TRUE, FALSE);
2134 break;
2135 case S_GTHREAD_V3:
2136 case S_LTHREAD_V3:
2137 codeview_add_variable(msc_dbg, compiland, sym->thread_v3.name,
2138 sym->thread_v3.segment, sym->thread_v3.offset, sym->thread_v3.symtype,
2139 sym->generic.id == S_LTHREAD_V3, TRUE, FALSE);
2140 break;
2141
2142 /*
2143 * These are special, in that they are always followed by an
2144 * additional length-prefixed string which is *not* included
2145 * into the symbol length count. We need to skip it.
2146 */
2147 case S_PROCREF_V1:
2148 case S_DATAREF_V1:
2149 case S_LPROCREF_V1:
2150 length += (((const char*)sym)[length] + 1 + 3) & ~3;
2151 break;
2152 }
2153 msc_dbg->module->sortlist_valid = TRUE;
2154 }
2155 msc_dbg->module->sortlist_valid = FALSE;
2156 return TRUE;
2157 }
2158
2159 /*========================================================================
2160 * Process PDB file.
2161 */
2162
2163 static void* pdb_jg_read(const struct PDB_JG_HEADER* pdb, const WORD* block_list,
2164 int size)
2165 {
2166 int i, num_blocks;
2167 BYTE* buffer;
2168
2169 if (!size) return NULL;
2170
2171 num_blocks = (size + pdb->block_size - 1) / pdb->block_size;
2172 buffer = HeapAlloc(GetProcessHeap(), 0, num_blocks * pdb->block_size);
2173
2174 for (i = 0; i < num_blocks; i++)
2175 memcpy(buffer + i * pdb->block_size,
2176 (const char*)pdb + block_list[i] * pdb->block_size, pdb->block_size);
2177
2178 return buffer;
2179 }
2180
2181 static void* pdb_ds_read(const struct PDB_DS_HEADER* pdb, const DWORD* block_list,
2182 int size)
2183 {
2184 int i, num_blocks;
2185 BYTE* buffer;
2186
2187 if (!size) return NULL;
2188
2189 num_blocks = (size + pdb->block_size - 1) / pdb->block_size;
2190 buffer = HeapAlloc(GetProcessHeap(), 0, num_blocks * pdb->block_size);
2191
2192 for (i = 0; i < num_blocks; i++)
2193 memcpy(buffer + i * pdb->block_size,
2194 (const char*)pdb + block_list[i] * pdb->block_size, pdb->block_size);
2195
2196 return buffer;
2197 }
2198
2199 static void* pdb_read_jg_file(const struct PDB_JG_HEADER* pdb,
2200 const struct PDB_JG_TOC* toc, DWORD file_nr)
2201 {
2202 const WORD* block_list;
2203 DWORD i;
2204
2205 if (!toc || file_nr >= toc->num_files) return NULL;
2206
2207 block_list = (const WORD*) &toc->file[toc->num_files];
2208 for (i = 0; i < file_nr; i++)
2209 block_list += (toc->file[i].size + pdb->block_size - 1) / pdb->block_size;
2210
2211 return pdb_jg_read(pdb, block_list, toc->file[file_nr].size);
2212 }
2213
2214 static void* pdb_read_ds_file(const struct PDB_DS_HEADER* pdb,
2215 const struct PDB_DS_TOC* toc, DWORD file_nr)
2216 {
2217 const DWORD* block_list;
2218 DWORD i;
2219
2220 if (!toc || file_nr >= toc->num_files) return NULL;
2221 if (toc->file_size[file_nr] == 0 || toc->file_size[file_nr] == 0xFFFFFFFF) return NULL;
2222
2223 block_list = &toc->file_size[toc->num_files];
2224 for (i = 0; i < file_nr; i++)
2225 block_list += (toc->file_size[i] + pdb->block_size - 1) / pdb->block_size;
2226
2227 return pdb_ds_read(pdb, block_list, toc->file_size[file_nr]);
2228 }
2229
2230 static void* pdb_read_file(const struct pdb_file_info* pdb_file,
2231 DWORD file_nr)
2232 {
2233 switch (pdb_file->kind)
2234 {
2235 case PDB_JG:
2236 return pdb_read_jg_file((const struct PDB_JG_HEADER*)pdb_file->image,
2237 pdb_file->u.jg.toc, file_nr);
2238 case PDB_DS:
2239 return pdb_read_ds_file((const struct PDB_DS_HEADER*)pdb_file->image,
2240 pdb_file->u.ds.toc, file_nr);
2241 }
2242 return NULL;
2243 }
2244
2245 static unsigned pdb_get_file_size(const struct pdb_file_info* pdb_file, DWORD file_nr)
2246 {
2247 switch (pdb_file->kind)
2248 {
2249 case PDB_JG: return pdb_file->u.jg.toc->file[file_nr].size;
2250 case PDB_DS: return pdb_file->u.ds.toc->file_size[file_nr];
2251 }
2252 return 0;
2253 }
2254
2255 static void pdb_free(void* buffer)
2256 {
2257 HeapFree(GetProcessHeap(), 0, buffer);
2258 }
2259
2260 static void pdb_free_file(struct pdb_file_info* pdb_file)
2261 {
2262 switch (pdb_file->kind)
2263 {
2264 case PDB_JG:
2265 pdb_free(pdb_file->u.jg.toc);
2266 pdb_file->u.jg.toc = NULL;
2267 break;
2268 case PDB_DS:
2269 pdb_free(pdb_file->u.ds.toc);
2270 pdb_file->u.ds.toc = NULL;
2271 break;
2272 }
2273 HeapFree(GetProcessHeap(), 0, pdb_file->stream_dict);
2274 }
2275
2276 static void pdb_load_stream_name_table(struct pdb_file_info* pdb_file, const char* str, unsigned cb)
2277 {
2278 DWORD* pdw;
2279 DWORD* ok_bits;
2280 DWORD count, numok;
2281 unsigned i, j;
2282 char* cpstr;
2283
2284 pdw = (DWORD*)(str + cb);
2285 numok = *pdw++;
2286 count = *pdw++;
2287
2288 pdb_file->stream_dict = HeapAlloc(GetProcessHeap(), 0, (numok + 1) * sizeof(struct pdb_stream_name) + cb);
2289 if (!pdb_file->stream_dict) return;
2290 cpstr = (char*)(pdb_file->stream_dict + numok + 1);
2291 memcpy(cpstr, str, cb);
2292
2293 /* bitfield: first dword is len (in dword), then data */
2294 ok_bits = pdw;
2295 pdw += *ok_bits++ + 1;
2296 if (*pdw++ != 0)
2297 {
2298 FIXME("unexpected value\n");
2299 return;
2300 }
2301
2302 for (i = j = 0; i < count; i++)
2303 {
2304 if (ok_bits[i / 32] & (1 << (i % 32)))
2305 {
2306 if (j >= numok) break;
2307 pdb_file->stream_dict[j].name = &cpstr[*pdw++];
2308 pdb_file->stream_dict[j].index = *pdw++;
2309 j++;
2310 }
2311 }
2312 /* add sentinel */
2313 pdb_file->stream_dict[numok].name = NULL;
2314 pdb_file->fpoext_stream = -1;
2315 }
2316
2317 static unsigned pdb_get_stream_by_name(const struct pdb_file_info* pdb_file, const char* name)
2318 {
2319 struct pdb_stream_name* psn;
2320
2321 for (psn = pdb_file->stream_dict; psn && psn->name; psn++)
2322 {
2323 if (!strcmp(psn->name, name)) return psn->index;
2324 }
2325 return -1;
2326 }
2327
2328 static void* pdb_read_strings(const struct pdb_file_info* pdb_file)
2329 {
2330 unsigned idx;
2331 void *ret;
2332
2333 idx = pdb_get_stream_by_name(pdb_file, "/names");
2334 if (idx != -1)
2335 {
2336 ret = pdb_read_file( pdb_file, idx );
2337 if (ret && *(const DWORD *)ret == 0xeffeeffe) return ret;
2338 pdb_free( ret );
2339 }
2340 WARN("string table not found\n");
2341 return NULL;
2342 }
2343
2344 static void pdb_module_remove(struct process* pcsn, struct module_format* modfmt)
2345 {
2346 unsigned i;
2347
2348 for (i = 0; i < modfmt->u.pdb_info->used_subfiles; i++)
2349 {
2350 pdb_free_file(&modfmt->u.pdb_info->pdb_files[i]);
2351 if (modfmt->u.pdb_info->pdb_files[i].image)
2352 UnmapViewOfFile(modfmt->u.pdb_info->pdb_files[i].image);
2353 if (modfmt->u.pdb_info->pdb_files[i].hMap)
2354 CloseHandle(modfmt->u.pdb_info->pdb_files[i].hMap);
2355 }
2356 HeapFree(GetProcessHeap(), 0, modfmt);
2357 }
2358
2359 static void pdb_convert_types_header(PDB_TYPES* types, const BYTE* image)
2360 {
2361 memset(types, 0, sizeof(PDB_TYPES));
2362 if (!image) return;
2363
2364 if (*(const DWORD*)image < 19960000) /* FIXME: correct version? */
2365 {
2366 /* Old version of the types record header */
2367 const PDB_TYPES_OLD* old = (const PDB_TYPES_OLD*)image;
2368 types->version = old->version;
2369 types->type_offset = sizeof(PDB_TYPES_OLD);
2370 types->type_size = old->type_size;
2371 types->first_index = old->first_index;
2372 types->last_index = old->last_index;
2373 types->file = old->file;
2374 }
2375 else
2376 {
2377 /* New version of the types record header */
2378 *types = *(const PDB_TYPES*)image;
2379 }
2380 }
2381
2382 static void pdb_convert_symbols_header(PDB_SYMBOLS* symbols,
2383 int* header_size, const BYTE* image)
2384 {
2385 memset(symbols, 0, sizeof(PDB_SYMBOLS));
2386 if (!image) return;
2387
2388 if (*(const DWORD*)image != 0xffffffff)
2389 {
2390 /* Old version of the symbols record header */
2391 const PDB_SYMBOLS_OLD* old = (const PDB_SYMBOLS_OLD*)image;
2392 symbols->version = 0;
2393 symbols->module_size = old->module_size;
2394 symbols->offset_size = old->offset_size;
2395 symbols->hash_size = old->hash_size;
2396 symbols->srcmodule_size = old->srcmodule_size;
2397 symbols->pdbimport_size = 0;
2398 symbols->hash1_file = old->hash1_file;
2399 symbols->hash2_file = old->hash2_file;
2400 symbols->gsym_file = old->gsym_file;
2401
2402 *header_size = sizeof(PDB_SYMBOLS_OLD);
2403 }
2404 else
2405 {
2406 /* New version of the symbols record header */
2407 *symbols = *(const PDB_SYMBOLS*)image;
2408 *header_size = sizeof(PDB_SYMBOLS);
2409 }
2410 }
2411
2412 static void pdb_convert_symbol_file(const PDB_SYMBOLS* symbols,
2413 PDB_SYMBOL_FILE_EX* sfile,
2414 unsigned* size, const void* image)
2415
2416 {
2417 if (symbols->version < 19970000)
2418 {
2419 const PDB_SYMBOL_FILE *sym_file = image;
2420 memset(sfile, 0, sizeof(*sfile));
2421 sfile->file = sym_file->file;
2422 sfile->range.index = sym_file->range.index;
2423 sfile->symbol_size = sym_file->symbol_size;
2424 sfile->lineno_size = sym_file->lineno_size;
2425 *size = sizeof(PDB_SYMBOL_FILE) - 1;
2426 }
2427 else
2428 {
2429 memcpy(sfile, image, sizeof(PDB_SYMBOL_FILE_EX));
2430 *size = sizeof(PDB_SYMBOL_FILE_EX) - 1;
2431 }
2432 }
2433
2434 static HANDLE map_pdb_file(const struct process* pcs,
2435 const struct pdb_lookup* lookup,
2436 struct module* module)
2437 {
2438 HANDLE hFile, hMap = NULL;
2439 char dbg_file_path[MAX_PATH];
2440 BOOL ret = FALSE;
2441
2442 switch (lookup->kind)
2443 {
2444 case PDB_JG:
2445 ret = path_find_symbol_file(pcs, lookup->filename, NULL, lookup->timestamp,
2446 lookup->age, dbg_file_path, &module->module.PdbUnmatched);
2447 break;
2448 case PDB_DS:
2449 ret = path_find_symbol_file(pcs, lookup->filename, &lookup->guid, 0,
2450 lookup->age, dbg_file_path, &module->module.PdbUnmatched);
2451 break;
2452 }
2453 if (!ret)
2454 {
2455 WARN("\tCouldn't find %s\n", lookup->filename);
2456 return NULL;
2457 }
2458 if ((hFile = CreateFileA(dbg_file_path, GENERIC_READ, FILE_SHARE_READ, NULL,
2459 OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL)) != INVALID_HANDLE_VALUE)
2460 {
2461 hMap = CreateFileMappingW(hFile, NULL, PAGE_READONLY, 0, 0, NULL);
2462 CloseHandle(hFile);
2463 }
2464 return hMap;
2465 }
2466
2467 static void pdb_process_types(const struct msc_debug_info* msc_dbg,
2468 const struct pdb_file_info* pdb_file)
2469 {
2470 BYTE* types_image = NULL;
2471
2472 types_image = pdb_read_file(pdb_file, 2);
2473 if (types_image)
2474 {
2475 PDB_TYPES types;
2476 struct codeview_type_parse ctp;
2477 DWORD total;
2478 const BYTE* ptr;
2479 DWORD* offset;
2480
2481 pdb_convert_types_header(&types, types_image);
2482
2483 /* Check for unknown versions */
2484 switch (types.version)
2485 {
2486 case 19950410: /* VC 4.0 */
2487 case 19951122:
2488 case 19961031: /* VC 5.0 / 6.0 */
2489 case 19990903: /* VC 7.0 */
2490 case 20040203: /* VC 8.0 */
2491 break;
2492 default:
2493 ERR("-Unknown type info version %d\n", types.version);
2494 }
2495
2496 ctp.module = msc_dbg->module;
2497 /* reconstruct the types offset...
2498 * FIXME: maybe it's present in the newest PDB_TYPES structures
2499 */
2500 total = types.last_index - types.first_index + 1;
2501 offset = HeapAlloc(GetProcessHeap(), 0, sizeof(DWORD) * total);
2502 ctp.table = ptr = types_image + types.type_offset;
2503 ctp.num = 0;
2504 while (ptr < ctp.table + types.type_size && ctp.num < total)
2505 {
2506 offset[ctp.num++] = ptr - ctp.table;
2507 ptr += ((const union codeview_type*)ptr)->generic.len + 2;
2508 }
2509 ctp.offset = offset;
2510
2511 /* Read type table */
2512 codeview_parse_type_table(&ctp);
2513 HeapFree(GetProcessHeap(), 0, offset);
2514 pdb_free(types_image);
2515 }
2516 }
2517
2518 static const char PDB_JG_IDENT[] = "Microsoft C/C++ program database 2.00\r\n\032JG\0";
2519 static const char PDB_DS_IDENT[] = "Microsoft C/C++ MSF 7.00\r\n\032DS\0";
2520
2521 /******************************************************************
2522 * pdb_init
2523 *
2524 * Tries to load a pdb file
2525 * 'matched' is filled with the number of correct matches for this file:
2526 * - age counts for one
2527 * - timestamp or guid depending on kind counts for one
2528 * a wrong kind of file returns FALSE (FIXME ?)
2529 */
2530 static BOOL pdb_init(const struct pdb_lookup* pdb_lookup, struct pdb_file_info* pdb_file,
2531 const char* image, unsigned* matched)
2532 {
2533 BOOL ret = TRUE;
2534
2535 /* check the file header, and if ok, load the TOC */
2536 TRACE("PDB(%s): %.40s\n", pdb_lookup->filename, debugstr_an(image, 40));
2537
2538 *matched = 0;
2539 if (!memcmp(image, PDB_JG_IDENT, sizeof(PDB_JG_IDENT)))
2540 {
2541 const struct PDB_JG_HEADER* pdb = (const struct PDB_JG_HEADER*)image;
2542 struct PDB_JG_ROOT* root;
2543
2544 pdb_file->u.jg.toc = pdb_jg_read(pdb, pdb->toc_block, pdb->toc.size);
2545 root = pdb_read_jg_file(pdb, pdb_file->u.jg.toc, 1);
2546 if (!root)
2547 {
2548 ERR("-Unable to get root from .PDB in %s\n", pdb_lookup->filename);
2549 return FALSE;
2550 }
2551 switch (root->Version)
2552 {
2553 case 19950623: /* VC 4.0 */
2554 case 19950814:
2555 case 19960307: /* VC 5.0 */
2556 case 19970604: /* VC 6.0 */
2557 break;
2558 default:
2559 ERR("-Unknown root block version %d\n", root->Version);
2560 }
2561 if (pdb_lookup->kind != PDB_JG)
2562 {
2563 WARN("Found %s, but wrong PDB kind\n", pdb_lookup->filename);
2564 pdb_free(root);
2565 return FALSE;
2566 }
2567 pdb_file->kind = PDB_JG;
2568 pdb_file->u.jg.timestamp = root->TimeDateStamp;
2569 pdb_file->age = root->Age;
2570 if (root->TimeDateStamp == pdb_lookup->timestamp) (*matched)++;
2571 else WARN("Found %s, but wrong signature: %08x %08x\n",
2572 pdb_lookup->filename, root->TimeDateStamp, pdb_lookup->timestamp);
2573 if (root->Age == pdb_lookup->age) (*matched)++;
2574 else WARN("Found %s, but wrong age: %08x %08x\n",
2575 pdb_lookup->filename, root->Age, pdb_lookup->age);
2576 TRACE("found JG for %s: age=%x timestamp=%x\n",
2577 pdb_lookup->filename, root->Age, root->TimeDateStamp);
2578 pdb_load_stream_name_table(pdb_file, &root->names[0], root->cbNames);
2579
2580 pdb_free(root);
2581 }
2582 else if (!memcmp(image, PDB_DS_IDENT, sizeof(PDB_DS_IDENT)))
2583 {
2584 const struct PDB_DS_HEADER* pdb = (const struct PDB_DS_HEADER*)image;
2585 struct PDB_DS_ROOT* root;
2586
2587 pdb_file->u.ds.toc =
2588 pdb_ds_read(pdb,
2589 (const DWORD*)((const char*)pdb + pdb->toc_page * pdb->block_size),
2590 pdb->toc_size);
2591 root = pdb_read_ds_file(pdb, pdb_file->u.ds.toc, 1);
2592 if (!root)
2593 {
2594 ERR("-Unable to get root from .PDB in %s\n", pdb_lookup->filename);
2595 return FALSE;
2596 }
2597 switch (root->Version)
2598 {
2599 case 20000404:
2600 break;
2601 default:
2602 ERR("-Unknown root block version %d\n", root->Version);
2603 }
2604 pdb_file->kind = PDB_DS;
2605 pdb_file->u.ds.guid = root->guid;
2606 pdb_file->age = root->Age;
2607 if (!memcmp(&root->guid, &pdb_lookup->guid, sizeof(GUID))) (*matched)++;
2608 else WARN("Found %s, but wrong GUID: %s %s\n",
2609 pdb_lookup->filename, debugstr_guid(&root->guid),
2610 debugstr_guid(&pdb_lookup->guid));
2611 if (root->Age == pdb_lookup->age) (*matched)++;
2612 else WARN("Found %s, but wrong age: %08x %08x\n",
2613 pdb_lookup->filename, root->Age, pdb_lookup->age);
2614 TRACE("found DS for %s: age=%x guid=%s\n",
2615 pdb_lookup->filename, root->Age, debugstr_guid(&root->guid));
2616 pdb_load_stream_name_table(pdb_file, &root->names[0], root->cbNames);
2617
2618 pdb_free(root);
2619 }
2620
2621 if (0) /* some tool to dump the internal files from a PDB file */
2622 {
2623 int i, num_files;
2624
2625 switch (pdb_file->kind)
2626 {
2627 case PDB_JG: num_files = pdb_file->u.jg.toc->num_files; break;
2628 case PDB_DS: num_files = pdb_file->u.ds.toc->num_files; break;
2629 }
2630
2631 for (i = 1; i < num_files; i++)
2632 {
2633 unsigned char* x = pdb_read_file(pdb_file, i);
2634 FIXME("********************** [%u]: size=%08x\n",
2635 i, pdb_get_file_size(pdb_file, i));
2636 dump(x, pdb_get_file_size(pdb_file, i));
2637 pdb_free(x);
2638 }
2639 }
2640 return ret;
2641 }
2642
2643 static BOOL pdb_process_internal(const struct process* pcs,
2644 const struct msc_debug_info* msc_dbg,
2645 const struct pdb_lookup* pdb_lookup,
2646 struct pdb_module_info* pdb_module_info,
2647 unsigned module_index);
2648
2649 static void pdb_process_symbol_imports(const struct process* pcs,
2650 const struct msc_debug_info* msc_dbg,
2651 const PDB_SYMBOLS* symbols,
2652 const void* symbols_image,
2653 const char* image,
2654 const struct pdb_lookup* pdb_lookup,
2655 struct pdb_module_info* pdb_module_info,
2656 unsigned module_index)
2657 {
2658 if (module_index == -1 && symbols && symbols->pdbimport_size)
2659 {
2660 const PDB_SYMBOL_IMPORT*imp;
2661 const void* first;
2662 const void* last;
2663 const char* ptr;
2664 int i = 0;
2665 struct pdb_file_info sf0 = pdb_module_info->pdb_files[0];
2666
2667 imp = (const PDB_SYMBOL_IMPORT*)((const char*)symbols_image + sizeof(PDB_SYMBOLS) +
2668 symbols->module_size + symbols->offset_size +
2669 symbols->hash_size + symbols->srcmodule_size);
2670 first = imp;
2671 last = (const char*)imp + symbols->pdbimport_size;
2672 while (imp < (const PDB_SYMBOL_IMPORT*)last)
2673 {
2674 ptr = (const char*)imp + sizeof(*imp) + strlen(imp->filename);
2675 if (i >= CV_MAX_MODULES) FIXME("Out of bounds!!!\n");
2676 if (!strcasecmp(pdb_lookup->filename, imp->filename))
2677 {
2678 if (module_index != -1) FIXME("Twice the entry\n");
2679 else module_index = i;
2680 pdb_module_info->pdb_files[i] = sf0;
2681 }
2682 else
2683 {
2684 struct pdb_lookup imp_pdb_lookup;
2685
2686 /* FIXME: this is an import of a JG PDB file
2687 * how's a DS PDB handled ?
2688 */
2689 imp_pdb_lookup.filename = imp->filename;
2690 imp_pdb_lookup.kind = PDB_JG;
2691 imp_pdb_lookup.timestamp = imp->TimeDateStamp;
2692 imp_pdb_lookup.age = imp->Age;
2693 TRACE("got for %s: age=%u ts=%x\n",
2694 imp->filename, imp->Age, imp->TimeDateStamp);
2695 pdb_process_internal(pcs, msc_dbg, &imp_pdb_lookup, pdb_module_info, i);
2696 }
2697 i++;
2698 imp = (const PDB_SYMBOL_IMPORT*)((const char*)first + ((ptr - (const char*)first + strlen(ptr) + 1 + 3) & ~3));
2699 }
2700 pdb_module_info->used_subfiles = i;
2701 }
2702 if (module_index == -1)
2703 {
2704 module_index = 0;
2705 pdb_module_info->used_subfiles = 1;
2706 }
2707 cv_current_module = &cv_zmodules[module_index];
2708 if (cv_current_module->allowed) FIXME("Already allowed??\n");
2709 cv_current_module->allowed = TRUE;
2710 }
2711
2712 static BOOL pdb_process_internal(const struct process* pcs,
2713 const struct msc_debug_info* msc_dbg,
2714 const struct pdb_lookup* pdb_lookup,
2715 struct pdb_module_info* pdb_module_info,
2716 unsigned module_index)
2717 {
2718 HANDLE hMap = NULL;
2719 char* image = NULL;
2720 BYTE* symbols_image = NULL;
2721 char* files_image = NULL;
2722 DWORD files_size = 0;
2723 unsigned matched;
2724 struct pdb_file_info* pdb_file;
2725
2726 TRACE("Processing PDB file %s\n", pdb_lookup->filename);
2727
2728 pdb_file = &pdb_module_info->pdb_files[module_index == -1 ? 0 : module_index];
2729 /* Open and map() .PDB file */
2730 if ((hMap = map_pdb_file(pcs, pdb_lookup, msc_dbg->module)) == NULL ||
2731 ((image = MapViewOfFile(hMap, FILE_MAP_READ, 0, 0, 0)) == NULL))
2732 {
2733 WARN("Unable to open .PDB file: %s\n", pdb_lookup->filename);
2734 CloseHandle(hMap);
2735 return FALSE;
2736 }
2737 if (!pdb_init(pdb_lookup, pdb_file, image, &matched) || matched != 2)
2738 {
2739 CloseHandle(hMap);
2740 UnmapViewOfFile(image);
2741 return FALSE;
2742 }
2743
2744 pdb_file->hMap = hMap;
2745 pdb_file->image = image;
2746 symbols_image = pdb_read_file(pdb_file, 3);
2747 if (symbols_image)
2748 {
2749 PDB_SYMBOLS symbols;
2750 BYTE* globalimage;
2751 BYTE* modimage;
2752 BYTE* file;
2753 int header_size = 0;
2754 PDB_STREAM_INDEXES* psi;
2755
2756 pdb_convert_symbols_header(&symbols, &header_size, symbols_image);
2757 switch (symbols.version)
2758 {
2759 case 0: /* VC 4.0 */
2760 case 19960307: /* VC 5.0 */
2761 case 19970606: /* VC 6.0 */
2762 case 19990903:
2763 break;
2764 default:
2765 ERR("-Unknown symbol info version %d %08x\n",
2766 symbols.version, symbols.version);
2767 }
2768
2769 switch (symbols.stream_index_size)
2770 {
2771 case 0:
2772 case sizeof(PDB_STREAM_INDEXES_OLD):
2773 /* no fpo ext stream in this case */
2774 break;
2775 case sizeof(PDB_STREAM_INDEXES):
2776 psi = (PDB_STREAM_INDEXES*)((const char*)symbols_image + sizeof(PDB_SYMBOLS) +
2777 symbols.module_size + symbols.offset_size +
2778 symbols.hash_size + symbols.srcmodule_size +
2779 symbols.pdbimport_size + symbols.unknown2_size);
2780 pdb_file->fpoext_stream = psi->FPO_EXT;
2781 break;
2782 default:
2783 FIXME("Unknown PDB_STREAM_INDEXES size (%d)\n", symbols.stream_index_size);
2784 break;
2785 }
2786 files_image = pdb_read_strings(pdb_file);
2787 if (files_image) files_size = *(const DWORD*)(files_image + 8);
2788
2789 pdb_process_symbol_imports(pcs, msc_dbg, &symbols, symbols_image, image,
2790 pdb_lookup, pdb_module_info, module_index);
2791 pdb_process_types(msc_dbg, pdb_file);
2792
2793 /* Read global symbol table */
2794 globalimage = pdb_read_file(pdb_file, symbols.gsym_file);
2795 if (globalimage)
2796 {
2797 codeview_snarf(msc_dbg, globalimage, 0,
2798 pdb_get_file_size(pdb_file, symbols.gsym_file), FALSE);
2799 }
2800
2801 /* Read per-module symbols' tables */
2802 file = symbols_image + header_size;
2803 while (file - symbols_image < header_size + symbols.module_size)
2804 {
2805 PDB_SYMBOL_FILE_EX sfile;
2806 const char* file_name;
2807 unsigned size;
2808
2809 HeapValidate(GetProcessHeap(), 0, NULL);
2810 pdb_convert_symbol_file(&symbols, &sfile, &size, file);
2811
2812 modimage = pdb_read_file(pdb_file, sfile.file);
2813 if (modimage)
2814 {
2815 if (sfile.symbol_size)
2816 codeview_snarf(msc_dbg, modimage, sizeof(DWORD),
2817 sfile.symbol_size, TRUE);
2818
2819 if (sfile.lineno_size)
2820 codeview_snarf_linetab(msc_dbg,
2821 modimage + sfile.symbol_size,
2822 sfile.lineno_size,
2823 pdb_file->kind == PDB_JG);
2824 if (files_image)
2825 codeview_snarf_linetab2(msc_dbg, modimage + sfile.symbol_size + sfile.lineno_size,
2826 pdb_get_file_size(pdb_file, sfile.file) - sfile.symbol_size - sfile.lineno_size,
2827 files_image + 12, files_size);
2828
2829 pdb_free(modimage);
2830 }
2831 file_name = (const char*)file + size;
2832 file_name += strlen(file_name) + 1;
2833 file = (BYTE*)((DWORD_PTR)(file_name + strlen(file_name) + 1 + 3) & ~3);
2834 }
2835 /* finish the remaining public and global information */
2836 if (globalimage)
2837 {
2838 codeview_snarf_public(msc_dbg, globalimage, 0,
2839 pdb_get_file_size(pdb_file, symbols.gsym_file));
2840 pdb_free(globalimage);
2841 }
2842 }
2843 else
2844 pdb_process_symbol_imports(pcs, msc_dbg, NULL, NULL, image,
2845 pdb_lookup, pdb_module_info, module_index);
2846
2847 pdb_free(symbols_image);
2848 pdb_free(files_image);
2849
2850 return TRUE;
2851 }
2852
2853 static BOOL pdb_process_file(const struct process* pcs,
2854 const struct msc_debug_info* msc_dbg,
2855 struct pdb_lookup* pdb_lookup)
2856 {
2857 BOOL ret;
2858 struct module_format* modfmt;
2859 struct pdb_module_info* pdb_module_info;
2860
2861 modfmt = HeapAlloc(GetProcessHeap(), 0,
2862 sizeof(struct module_format) + sizeof(struct pdb_module_info));
2863 if (!modfmt) return FALSE;
2864
2865 pdb_module_info = (void*)(modfmt + 1);
2866 msc_dbg->module->format_info[DFI_PDB] = modfmt;
2867 modfmt->module = msc_dbg->module;
2868 modfmt->remove = pdb_module_remove;
2869 modfmt->loc_compute = NULL;
2870 modfmt->u.pdb_info = pdb_module_info;
2871
2872 memset(cv_zmodules, 0, sizeof(cv_zmodules));
2873 codeview_init_basic_types(msc_dbg->module);
2874 ret = pdb_process_internal(pcs, msc_dbg, pdb_lookup,
2875 msc_dbg->module->format_info[DFI_PDB]->u.pdb_info, -1);
2876 codeview_clear_type_table();
2877 if (ret)
2878 {
2879 struct pdb_module_info* pdb_info = msc_dbg->module->format_info[DFI_PDB]->u.pdb_info;
2880 msc_dbg->module->module.SymType = SymCv;
2881 if (pdb_info->pdb_files[0].kind == PDB_JG)
2882 msc_dbg->module->module.PdbSig = pdb_info->pdb_files[0].u.jg.timestamp;
2883 else
2884 msc_dbg->module->module.PdbSig70 = pdb_info->pdb_files[0].u.ds.guid;
2885 msc_dbg->module->module.PdbAge = pdb_info->pdb_files[0].age;
2886 MultiByteToWideChar(CP_ACP, 0, pdb_lookup->filename, -1,
2887 msc_dbg->module->module.LoadedPdbName,
2888 sizeof(msc_dbg->module->module.LoadedPdbName) / sizeof(WCHAR));
2889 /* FIXME: we could have a finer grain here */
2890 msc_dbg->module->module.LineNumbers = TRUE;
2891 msc_dbg->module->module.GlobalSymbols = TRUE;
2892 msc_dbg->module->module.TypeInfo = TRUE;
2893 msc_dbg->module->module.SourceIndexed = TRUE;
2894 msc_dbg->module->module.Publics = TRUE;
2895 }
2896 else
2897 {
2898 msc_dbg->module->format_info[DFI_PDB] = NULL;
2899 HeapFree(GetProcessHeap(), 0, modfmt);
2900 }
2901 return ret;
2902 }
2903
2904 BOOL pdb_fetch_file_info(const struct pdb_lookup* pdb_lookup, unsigned* matched)
2905 {
2906 HANDLE hFile, hMap = NULL;
2907 char* image = NULL;
2908 BOOL ret;
2909 struct pdb_file_info pdb_file;
2910
2911 if ((hFile = CreateFileA(pdb_lookup->filename, GENERIC_READ, FILE_SHARE_READ, NULL,
2912 OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL)) == INVALID_HANDLE_VALUE ||
2913 ((hMap = CreateFileMappingW(hFile, NULL, PAGE_READONLY, 0, 0, NULL)) == NULL) ||
2914 ((image = MapViewOfFile(hMap, FILE_MAP_READ, 0, 0, 0)) == NULL))
2915 {
2916 WARN("Unable to open .PDB file: %s\n", pdb_lookup->filename);
2917 ret = FALSE;
2918 }
2919 else
2920 {
2921 ret = pdb_init(pdb_lookup, &pdb_file, image, matched);
2922 pdb_free_file(&pdb_file);
2923 }
2924
2925 if (image) UnmapViewOfFile(image);
2926 if (hMap) CloseHandle(hMap);
2927 if (hFile != INVALID_HANDLE_VALUE) CloseHandle(hFile);
2928
2929 return ret;
2930 }
2931
2932 /*========================================================================
2933 * FPO unwinding code
2934 */
2935
2936 /* Stack unwinding is based on postfixed operations.
2937 * Let's define our Postfix EValuator
2938 */
2939 #define PEV_MAX_LEN 32
2940 struct pevaluator
2941 {
2942 struct cpu_stack_walk* csw;
2943 struct pool pool;
2944 struct vector stack;
2945 unsigned stk_index;
2946 struct hash_table values;
2947 char error[64];
2948 };
2949
2950 struct zvalue
2951 {
2952 DWORD_PTR value;
2953 struct hash_table_elt elt;
2954 };
2955
2956 #define PEV_ERROR(pev, msg) snprintf((pev)->error, sizeof((pev)->error), "%s", (msg))
2957 #define PEV_ERROR1(pev, msg, pmt) snprintf((pev)->error, sizeof((pev)->error), (msg), (pmt))
2958
2959 #if 0
2960 static void pev_dump_stack(struct pevaluator* pev)
2961 {
2962 unsigned i;
2963 FIXME("stack #%d\n", pev->stk_index);
2964 for (i = 0; i < pev->stk_index; i++)
2965 {
2966 FIXME("\t%d) %s\n", i, *(char**)vector_at(&pev->stack, i));
2967 }
2968 }
2969 #endif
2970
2971 /* get the value out of an operand (variable or literal) */
2972 static BOOL pev_get_val(struct pevaluator* pev, const char* str, DWORD_PTR* val)
2973 {
2974 char* n;
2975 struct hash_table_iter hti;
2976 void* ptr;
2977
2978 switch (str[0])
2979 {
2980 case '$':
2981 case '.':
2982 hash_table_iter_init(&pev->values, &hti, str);
2983 while ((ptr = hash_table_iter_up(&hti)))
2984 {
2985 if (!strcmp(CONTAINING_RECORD(ptr, struct zvalue, elt)->elt.name, str))
2986 {
2987 *val = CONTAINING_RECORD(ptr, struct zvalue, elt)->value;
2988 return TRUE;
2989 }
2990 }
2991 return PEV_ERROR1(pev, "get_zvalue: no value found (%s)", str);
2992 default:
2993 *val = strtol(str, &n, 10);
2994 if (n == str || *n != '\0')
2995 return PEV_ERROR1(pev, "get_val: not a literal (%s)", str);
2996 return TRUE;
2997 }
2998 }
2999
3000 /* push an operand onto the stack */
3001 static BOOL pev_push(struct pevaluator* pev, const char* elt)
3002 {
3003 char** at;
3004 if (pev->stk_index < vector_length(&pev->stack))
3005 at = vector_at(&pev->stack, pev->stk_index);
3006 else
3007 at = vector_add(&pev->stack, &pev->pool);
3008 if (!at) return PEV_ERROR(pev, "push: out of memory");
3009 *at = pool_strdup(&pev->pool, elt);
3010 pev->stk_index++;
3011 return TRUE;
3012 }
3013
3014 /* pop an operand from the stack */
3015 static BOOL pev_pop(struct pevaluator* pev, char* elt)
3016 {
3017 char** at = vector_at(&pev->stack, --pev->stk_index);
3018 if (!at) return PEV_ERROR(pev, "pop: stack empty");
3019 strcpy(elt, *at);
3020 return TRUE;
3021 }
3022
3023 /* pop an operand from the stack, and gets its value */
3024 static BOOL pev_pop_val(struct pevaluator* pev, DWORD_PTR* val)
3025 {
3026 char p[PEV_MAX_LEN];
3027
3028 return pev_pop(pev, p) && pev_get_val(pev, p, val);
3029 }
3030
3031 /* set var 'name' a new value (creates the var if it doesn't exist) */
3032 static BOOL pev_set_value(struct pevaluator* pev, const char* name, DWORD_PTR val)
3033 {
3034 struct hash_table_iter hti;
3035 void* ptr;
3036
3037 hash_table_iter_init(&pev->values, &hti, name);
3038 while ((ptr = hash_table_iter_up(&hti)))
3039 {
3040 if (!strcmp(CONTAINING_RECORD(ptr, struct zvalue, elt)->elt.name, name))
3041 {
3042 CONTAINING_RECORD(ptr, struct zvalue, elt)->value = val;
3043 break;
3044 }
3045 }
3046 if (!ptr)
3047 {
3048 struct zvalue* zv = pool_alloc(&pev->pool, sizeof(*zv));
3049 if (!zv) return PEV_ERROR(pev, "set_value: out of memory");
3050 zv->value = val;
3051
3052 zv->elt.name = pool_strdup(&pev->pool, name);
3053 hash_table_add(&pev->values, &zv->elt);
3054 }
3055 return TRUE;
3056 }
3057
3058 /* execute a binary operand from the two top most values on the stack.
3059 * puts result on top of the stack */
3060 static BOOL pev_binop(struct pevaluator* pev, char op)
3061 {
3062 char res[PEV_MAX_LEN];
3063 DWORD_PTR v1, v2, c;
3064
3065 if (!pev_pop_val(pev, &v1) || !pev_pop_val(pev, &v2)) return FALSE;
3066 switch (op)
3067 {
3068 case '+': c = v1 + v2; break;
3069 case '-': c = v1 - v2; break;
3070 case '*': c = v1 * v2; break;
3071 case '/': c = v1 / v2; break;
3072 case '%': c = v1 % v2; break;
3073 default: return PEV_ERROR1(pev, "binop: unknown op (%c)", op);
3074 }
3075 snprintf(res, sizeof(res), "%ld", c);
3076 pev_push(pev, res);
3077 return TRUE;
3078 }
3079
3080 /* pops top most operand, dereference it, on pushes the result on top of the stack */
3081 static BOOL pev_deref(struct pevaluator* pev)
3082 {
3083 char res[PEV_MAX_LEN];
3084 DWORD_PTR v1, v2;
3085
3086 if (!pev_pop_val(pev, &v1)) return FALSE;
3087 if (!sw_read_mem(pev->csw, v1, &v2, sizeof(v2)))
3088 return PEV_ERROR1(pev, "deref: cannot read mem at %lx\n", v1);
3089 snprintf(res, sizeof(res), "%ld", v2);
3090 pev_push(pev, res);
3091 return TRUE;
3092 }
3093
3094 /* assign value to variable (from two top most operands) */
3095 static BOOL pev_assign(struct pevaluator* pev)
3096 {
3097 char p2[PEV_MAX_LEN];
3098 DWORD_PTR v1;
3099
3100 if (!pev_pop_val(pev, &v1) || !pev_pop(pev, p2)) return FALSE;
3101 if (p2[0] != '$') return PEV_ERROR1(pev, "assign: %s isn't a variable", p2);
3102 pev_set_value(pev, p2, v1);
3103
3104 return TRUE;
3105 }
3106
3107 /* initializes the postfix evaluator */
3108 static void pev_init(struct pevaluator* pev, struct cpu_stack_walk* csw,
3109 PDB_FPO_DATA* fpoext, struct pdb_cmd_pair* cpair)
3110 {
3111 pev->csw = csw;
3112 pool_init(&pev->pool, 512);
3113 vector_init(&pev->stack, sizeof(char*), 8);
3114 pev->stk_index = 0;
3115 hash_table_init(&pev->pool, &pev->values, 8);
3116 pev->error[0] = '\0';
3117 for (; cpair->name; cpair++)
3118 pev_set_value(pev, cpair->name, *cpair->pvalue);
3119 pev_set_value(pev, ".raSearchStart", fpoext->start);
3120 pev_set_value(pev, ".cbLocals", fpoext->locals_size);
3121 pev_set_value(pev, ".cbParams", fpoext->params_size);
3122 pev_set_value(pev, ".cbSavedRegs", fpoext->savedregs_size);
3123 }
3124
3125 static BOOL pev_free(struct pevaluator* pev, struct pdb_cmd_pair* cpair)
3126 {
3127 DWORD_PTR val;
3128
3129 if (cpair) for (; cpair->name; cpair++)
3130 {
3131 if (pev_get_val(pev, cpair->name, &val))
3132 *cpair->pvalue = val;
3133 }
3134 pool_destroy(&pev->pool);
3135 return TRUE;
3136 }
3137
3138 static BOOL pdb_parse_cmd_string(struct cpu_stack_walk* csw, PDB_FPO_DATA* fpoext,
3139 const char* cmd, struct pdb_cmd_pair* cpair)
3140 {
3141 char token[PEV_MAX_LEN];
3142 char* ptok = token;
3143 const char* ptr;
3144 BOOL over = FALSE;
3145 struct pevaluator pev;
3146
3147 pev_init(&pev, csw, fpoext, cpair);
3148 for (ptr = cmd; !over; ptr++)
3149 {
3150 if (*ptr == ' ' || (over = *ptr == '\0'))
3151 {
3152 *ptok = '\0';
3153
3154 if (!strcmp(token, "+") || !strcmp(token, "-") || !strcmp(token, "*") ||
3155 !strcmp(token, "/") || !strcmp(token, "%"))
3156 {
3157 if (!pev_binop(&pev, token[0])) goto done;
3158 }
3159 else if (!strcmp(token, "^"))
3160 {
3161 if (!pev_deref(&pev)) goto done;
3162 }
3163 else if (!strcmp(token, "="))
3164 {
3165 if (!pev_assign(&pev)) goto done;
3166 }
3167 else
3168 {
3169 if (!pev_push(&pev, token)) goto done;
3170 }
3171 ptok = token;
3172 }
3173 else
3174 {
3175 if (ptok - token >= PEV_MAX_LEN - 1)
3176 {
3177 PEV_ERROR1(&pev, "parse: token too long (%s)", ptr - (ptok - token));
3178 goto done;
3179 }
3180 *ptok++ = *ptr;
3181 }
3182 }
3183 pev_free(&pev, cpair);
3184 return TRUE;
3185 done:
3186 FIXME("Couldn't evaluate %s => %s\n", wine_dbgstr_a(cmd), pev.error);
3187 pev_free(&pev, NULL);
3188 return FALSE;
3189 }
3190
3191 BOOL pdb_virtual_unwind(struct cpu_stack_walk* csw, DWORD_PTR ip,
3192 CONTEXT* context, struct pdb_cmd_pair* cpair)
3193 {
3194 struct module_pair pair;
3195 struct pdb_module_info* pdb_info;
3196 PDB_FPO_DATA* fpoext;
3197 unsigned i, size, strsize;
3198 char* strbase;
3199 BOOL ret = TRUE;
3200
3201 if (!(pair.pcs = process_find_by_handle(csw->hProcess)) ||
3202 !(pair.requested = module_find_by_addr(pair.pcs, ip, DMT_UNKNOWN)) ||
3203 !module_get_debug(&pair))
3204 return FALSE;
3205 if (!pair.effective->format_info[DFI_PDB]) return FALSE;
3206 pdb_info = pair.effective->format_info[DFI_PDB]->u.pdb_info;
3207 TRACE("searching %lx => %lx\n", ip, ip - (DWORD_PTR)pair.effective->module.BaseOfImage);
3208 ip -= (DWORD_PTR)pair.effective->module.BaseOfImage;
3209
3210 strbase = pdb_read_strings(&pdb_info->pdb_files[0]);
3211 if (!strbase) return FALSE;
3212 strsize = *(const DWORD*)(strbase + 8);
3213 fpoext = pdb_read_file(&pdb_info->pdb_files[0], pdb_info->pdb_files[0].fpoext_stream);
3214 size = pdb_get_file_size(&pdb_info->pdb_files[0], pdb_info->pdb_files[0].fpoext_stream);
3215 if (fpoext && (size % sizeof(*fpoext)) == 0)
3216 {
3217 size /= sizeof(*fpoext);
3218 for (i = 0; i < size; i++)
3219 {
3220 if (fpoext[i].start <= ip && ip < fpoext[i].start + fpoext[i].func_size)
3221 {
3222 TRACE("\t%08x %08x %8x %8x %4x %4x %4x %08x %s\n",
3223 fpoext[i].start, fpoext[i].func_size, fpoext[i].locals_size,
3224 fpoext[i].params_size, fpoext[i].maxstack_size, fpoext[i].prolog_size,
3225 fpoext[i].savedregs_size, fpoext[i].flags,
3226 fpoext[i].str_offset < strsize ?
3227 wine_dbgstr_a(strbase + 12 + fpoext[i].str_offset) : "<out of bounds>");
3228 if (fpoext[i].str_offset < strsize)
3229 ret = pdb_parse_cmd_string(csw, &fpoext[i], strbase + 12 + fpoext[i].str_offset, cpair);
3230 else
3231 ret = FALSE;
3232 break;
3233 }
3234 }
3235 }
3236 else ret = FALSE;
3237 pdb_free(fpoext);
3238 pdb_free(strbase);
3239
3240 return ret;
3241 }
3242
3243 /*========================================================================
3244 * Process CodeView debug information.
3245 */
3246
3247 #define MAKESIG(a,b,c,d) ((a) | ((b) << 8) | ((c) << 16) | ((d) << 24))
3248 #define CODEVIEW_NB09_SIG MAKESIG('N','B','0','9')
3249 #define CODEVIEW_NB10_SIG MAKESIG('N','B','1','0')
3250 #define CODEVIEW_NB11_SIG MAKESIG('N','B','1','1')
3251 #define CODEVIEW_RSDS_SIG MAKESIG('R','S','D','S')
3252
3253 static BOOL codeview_process_info(const struct process* pcs,
3254 const struct msc_debug_info* msc_dbg)
3255 {
3256 const DWORD* signature = (const DWORD*)msc_dbg->root;
3257 BOOL ret = FALSE;
3258 struct pdb_lookup pdb_lookup;
3259
3260 TRACE("Processing signature %.4s\n", (const char*)signature);
3261
3262 switch (*signature)
3263 {
3264 case CODEVIEW_NB09_SIG:
3265 case CODEVIEW_NB11_SIG:
3266 {
3267 const OMFSignature* cv = (const OMFSignature*)msc_dbg->root;
3268 const OMFDirHeader* hdr = (const OMFDirHeader*)(msc_dbg->root + cv->filepos);
3269 const OMFDirEntry* ent;
3270 const OMFDirEntry* prev;
3271 const OMFDirEntry* next;
3272 unsigned int i;
3273
3274 codeview_init_basic_types(msc_dbg->module);
3275
3276 for (i = 0; i < hdr->cDir; i++)
3277 {
3278 ent = (const OMFDirEntry*)((const BYTE*)hdr + hdr->cbDirHeader + i * hdr->cbDirEntry);
3279 if (ent->SubSection == sstGlobalTypes)
3280 {
3281 const OMFGlobalTypes* types;
3282 struct codeview_type_parse ctp;
3283
3284 types = (const OMFGlobalTypes*)(msc_dbg->root + ent->lfo);
3285 ctp.module = msc_dbg->module;
3286 ctp.offset = (const DWORD*)(types + 1);
3287 ctp.num = types->cTypes;
3288 ctp.table = (const BYTE*)(ctp.offset + types->cTypes);
3289
3290 cv_current_module = &cv_zmodules[0];
3291 if (cv_current_module->allowed) FIXME("Already allowed??\n");
3292 cv_current_module->allowed = TRUE;
3293
3294 codeview_parse_type_table(&ctp);
3295 break;
3296 }
3297 }
3298
3299 ent = (const OMFDirEntry*)((const BYTE*)hdr + hdr->cbDirHeader);
3300 for (i = 0; i < hdr->cDir; i++, ent = next)
3301 {
3302 next = (i == hdr->cDir-1) ? NULL :
3303 (const OMFDirEntry*)((const BYTE*)ent + hdr->cbDirEntry);
3304 prev = (i == 0) ? NULL :
3305 (const OMFDirEntry*)((const BYTE*)ent - hdr->cbDirEntry);
3306
3307 if (ent->SubSection == sstAlignSym)
3308 {
3309 codeview_snarf(msc_dbg, msc_dbg->root + ent->lfo, sizeof(DWORD),
3310 ent->cb, TRUE);
3311
3312 /*
3313 * Check the next and previous entry. If either is a
3314 * sstSrcModule, it contains the line number info for
3315 * this file.
3316 *
3317 * FIXME: This is not a general solution!
3318 */
3319 if (next && next->iMod == ent->iMod && next->SubSection == sstSrcModule)
3320 codeview_snarf_linetab(msc_dbg, msc_dbg->root + next->lfo,
3321 next->cb, TRUE);
3322
3323 if (prev && prev->iMod == ent->iMod && prev->SubSection == sstSrcModule)
3324 codeview_snarf_linetab(msc_dbg, msc_dbg->root + prev->lfo,
3325 prev->cb, TRUE);
3326
3327 }
3328 }
3329
3330 msc_dbg->module->module.SymType = SymCv;
3331 /* FIXME: we could have a finer grain here */
3332 msc_dbg->module->module.LineNumbers = TRUE;
3333 msc_dbg->module->module.GlobalSymbols = TRUE;
3334 msc_dbg->module->module.TypeInfo = TRUE;
3335 msc_dbg->module->module.SourceIndexed = TRUE;
3336 msc_dbg->module->module.Publics = TRUE;
3337 codeview_clear_type_table();
3338 ret = TRUE;
3339 break;
3340 }
3341
3342 case CODEVIEW_NB10_SIG:
3343 {
3344 const CODEVIEW_PDB_DATA* pdb = (const CODEVIEW_PDB_DATA*)msc_dbg->root;
3345 pdb_lookup.filename = pdb->name;
3346 pdb_lookup.kind = PDB_JG;
3347 pdb_lookup.timestamp = pdb->timestamp;
3348 pdb_lookup.age = pdb->age;
3349 ret = pdb_process_file(pcs, msc_dbg, &pdb_lookup);
3350 break;
3351 }
3352 case CODEVIEW_RSDS_SIG:
3353 {
3354 const OMFSignatureRSDS* rsds = (const OMFSignatureRSDS*)msc_dbg->root;
3355
3356 TRACE("Got RSDS type of PDB file: guid=%s age=%08x name=%s\n",
3357 wine_dbgstr_guid(&rsds->guid), rsds->age, rsds->name);
3358 pdb_lookup.filename = rsds->name;
3359 pdb_lookup.kind = PDB_DS;
3360 pdb_lookup.guid = rsds->guid;
3361 pdb_lookup.age = rsds->age;
3362 ret = pdb_process_file(pcs, msc_dbg, &pdb_lookup);
3363 break;
3364 }
3365 default:
3366 ERR("Unknown CODEVIEW signature %08x in module %s\n",
3367 *signature, debugstr_w(msc_dbg->module->module.ModuleName));
3368 break;
3369 }
3370 if (ret)
3371 {
3372 msc_dbg->module->module.CVSig = *signature;
3373 memcpy(msc_dbg->module->module.CVData, msc_dbg->root,
3374 sizeof(msc_dbg->module->module.CVData));
3375 }
3376 return ret;
3377 }
3378
3379 /*========================================================================
3380 * Process debug directory.
3381 */
3382 BOOL pe_load_debug_directory(const struct process* pcs, struct module* module,
3383 const BYTE* mapping,
3384 const IMAGE_SECTION_HEADER* sectp, DWORD nsect,
3385 const IMAGE_DEBUG_DIRECTORY* dbg, int nDbg)
3386 {
3387 BOOL ret;
3388 int i;
3389 struct msc_debug_info msc_dbg;
3390
3391 msc_dbg.module = module;
3392 msc_dbg.nsect = nsect;
3393 msc_dbg.sectp = sectp;
3394 msc_dbg.nomap = 0;
3395 msc_dbg.omapp = NULL;
3396
3397 __TRY
3398 {
3399 ret = FALSE;
3400
3401 /* First, watch out for OMAP data */
3402 for (i = 0; i < nDbg; i++)
3403 {
3404 if (dbg[i].Type == IMAGE_DEBUG_TYPE_OMAP_FROM_SRC)
3405 {
3406 msc_dbg.nomap = dbg[i].SizeOfData / sizeof(OMAP_DATA);
3407 msc_dbg.omapp = (const OMAP_DATA*)(mapping + dbg[i].PointerToRawData);
3408 break;
3409 }
3410 }
3411
3412 /* Now, try to parse CodeView debug info */
3413 for (i = 0; i < nDbg; i++)
3414 {
3415 if (dbg[i].Type == IMAGE_DEBUG_TYPE_CODEVIEW)
3416 {
3417 msc_dbg.root = mapping + dbg[i].PointerToRawData;
3418 if ((ret = codeview_process_info(pcs, &msc_dbg))) goto done;
3419 }
3420 }
3421
3422 /* If not found, try to parse COFF debug info */
3423 for (i = 0; i < nDbg; i++)
3424 {
3425 if (dbg[i].Type == IMAGE_DEBUG_TYPE_COFF)
3426 {
3427 msc_dbg.root = mapping + dbg[i].PointerToRawData;
3428 if ((ret = coff_process_info(&msc_dbg))) goto done;
3429 }
3430 }
3431 done:
3432 /* FIXME: this should be supported... this is the debug information for
3433 * functions compiled without a frame pointer (FPO = frame pointer omission)
3434 * the associated data helps finding out the relevant information
3435 */
3436 for (i = 0; i < nDbg; i++)
3437 if (dbg[i].Type == IMAGE_DEBUG_TYPE_FPO)
3438 FIXME("This guy has FPO information\n");
3439 #if 0
3440
3441 #define FRAME_FPO 0
3442 #define FRAME_TRAP 1
3443 #define FRAME_TSS 2
3444
3445 typedef struct _FPO_DATA
3446 {
3447 DWORD ulOffStart; /* offset 1st byte of function code */
3448 DWORD cbProcSize; /* # bytes in function */
3449 DWORD cdwLocals; /* # bytes in locals/4 */
3450 WORD cdwParams; /* # bytes in params/4 */
3451
3452 WORD cbProlog : 8; /* # bytes in prolog */
3453 WORD cbRegs : 3; /* # regs saved */
3454 WORD fHasSEH : 1; /* TRUE if SEH in func */
3455 WORD fUseBP : 1; /* TRUE if EBP has been allocated */
3456 WORD reserved : 1; /* reserved for future use */
3457 WORD cbFrame : 2; /* frame type */
3458 } FPO_DATA;
3459 #endif
3460
3461 }
3462 __EXCEPT_PAGE_FAULT
3463 {
3464 ERR("Got a page fault while loading symbols\n");
3465 ret = FALSE;
3466 }
3467 __ENDTRY
3468 return ret;
3469 }
Windows API implementation