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wineandroid: Check that Android supports the format in IsFormatSupported.
[wine.git] / dlls / dbghelp / msc.c
blobeba26498cb09d1ded2b324d9cfa159aa1c03aaca
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_CHAR16] = &symt_new_basic(module, btChar16,"char16_t", 2)->symt;
173 cv_basic_types[T_CHAR32] = &symt_new_basic(module, btChar32,"char32_t", 4)->symt;
174 cv_basic_types[T_INT2] = &symt_new_basic(module, btInt, "INT2", 2)->symt;
175 cv_basic_types[T_UINT2] = &symt_new_basic(module, btUInt, "UINT2", 2)->symt;
176 cv_basic_types[T_INT4] = &symt_new_basic(module, btInt, "INT4", 4)->symt;
177 cv_basic_types[T_UINT4] = &symt_new_basic(module, btUInt, "UINT4", 4)->symt;
178 cv_basic_types[T_INT8] = &symt_new_basic(module, btInt, "INT8", 8)->symt;
179 cv_basic_types[T_UINT8] = &symt_new_basic(module, btUInt, "UINT8", 8)->symt;
180 cv_basic_types[T_HRESULT]= &symt_new_basic(module, btUInt, "HRESULT", 4)->symt;
181
182 cv_basic_types[T_32PVOID] = &symt_new_pointer(module, cv_basic_types[T_VOID], 4)->symt;
183 cv_basic_types[T_32PCHAR] = &symt_new_pointer(module, cv_basic_types[T_CHAR], 4)->symt;
184 cv_basic_types[T_32PSHORT] = &symt_new_pointer(module, cv_basic_types[T_SHORT], 4)->symt;
185 cv_basic_types[T_32PLONG] = &symt_new_pointer(module, cv_basic_types[T_LONG], 4)->symt;
186 cv_basic_types[T_32PQUAD] = &symt_new_pointer(module, cv_basic_types[T_QUAD], 4)->symt;
187 cv_basic_types[T_32PUCHAR] = &symt_new_pointer(module, cv_basic_types[T_UCHAR], 4)->symt;
188 cv_basic_types[T_32PUSHORT] = &symt_new_pointer(module, cv_basic_types[T_USHORT], 4)->symt;
189 cv_basic_types[T_32PULONG] = &symt_new_pointer(module, cv_basic_types[T_ULONG], 4)->symt;
190 cv_basic_types[T_32PUQUAD] = &symt_new_pointer(module, cv_basic_types[T_UQUAD], 4)->symt;
191 cv_basic_types[T_32PBOOL08] = &symt_new_pointer(module, cv_basic_types[T_BOOL08], 4)->symt;
192 cv_basic_types[T_32PBOOL16] = &symt_new_pointer(module, cv_basic_types[T_BOOL16], 4)->symt;
193 cv_basic_types[T_32PBOOL32] = &symt_new_pointer(module, cv_basic_types[T_BOOL32], 4)->symt;
194 cv_basic_types[T_32PBOOL64] = &symt_new_pointer(module, cv_basic_types[T_BOOL64], 4)->symt;
195 cv_basic_types[T_32PREAL32] = &symt_new_pointer(module, cv_basic_types[T_REAL32], 4)->symt;
196 cv_basic_types[T_32PREAL64] = &symt_new_pointer(module, cv_basic_types[T_REAL64], 4)->symt;
197 cv_basic_types[T_32PREAL80] = &symt_new_pointer(module, cv_basic_types[T_REAL80], 4)->symt;
198 cv_basic_types[T_32PRCHAR] = &symt_new_pointer(module, cv_basic_types[T_RCHAR], 4)->symt;
199 cv_basic_types[T_32PWCHAR] = &symt_new_pointer(module, cv_basic_types[T_WCHAR], 4)->symt;
200 cv_basic_types[T_32PCHAR16] = &symt_new_pointer(module, cv_basic_types[T_CHAR16], 4)->symt;
201 cv_basic_types[T_32PCHAR32] = &symt_new_pointer(module, cv_basic_types[T_CHAR32], 4)->symt;
202 cv_basic_types[T_32PINT2] = &symt_new_pointer(module, cv_basic_types[T_INT2], 4)->symt;
203 cv_basic_types[T_32PUINT2] = &symt_new_pointer(module, cv_basic_types[T_UINT2], 4)->symt;
204 cv_basic_types[T_32PINT4] = &symt_new_pointer(module, cv_basic_types[T_INT4], 4)->symt;
205 cv_basic_types[T_32PUINT4] = &symt_new_pointer(module, cv_basic_types[T_UINT4], 4)->symt;
206 cv_basic_types[T_32PINT8] = &symt_new_pointer(module, cv_basic_types[T_INT8], 4)->symt;
207 cv_basic_types[T_32PUINT8] = &symt_new_pointer(module, cv_basic_types[T_UINT8], 4)->symt;
208 cv_basic_types[T_32PHRESULT]= &symt_new_pointer(module, cv_basic_types[T_HRESULT], 4)->symt;
209
210 cv_basic_types[T_64PVOID] = &symt_new_pointer(module, cv_basic_types[T_VOID], 8)->symt;
211 cv_basic_types[T_64PCHAR] = &symt_new_pointer(module, cv_basic_types[T_CHAR], 8)->symt;
212 cv_basic_types[T_64PSHORT] = &symt_new_pointer(module, cv_basic_types[T_SHORT], 8)->symt;
213 cv_basic_types[T_64PLONG] = &symt_new_pointer(module, cv_basic_types[T_LONG], 8)->symt;
214 cv_basic_types[T_64PQUAD] = &symt_new_pointer(module, cv_basic_types[T_QUAD], 8)->symt;
215 cv_basic_types[T_64PUCHAR] = &symt_new_pointer(module, cv_basic_types[T_UCHAR], 8)->symt;
216 cv_basic_types[T_64PUSHORT] = &symt_new_pointer(module, cv_basic_types[T_USHORT], 8)->symt;
217 cv_basic_types[T_64PULONG] = &symt_new_pointer(module, cv_basic_types[T_ULONG], 8)->symt;
218 cv_basic_types[T_64PUQUAD] = &symt_new_pointer(module, cv_basic_types[T_UQUAD], 8)->symt;
219 cv_basic_types[T_64PBOOL08] = &symt_new_pointer(module, cv_basic_types[T_BOOL08], 8)->symt;
220 cv_basic_types[T_64PBOOL16] = &symt_new_pointer(module, cv_basic_types[T_BOOL16], 8)->symt;
221 cv_basic_types[T_64PBOOL32] = &symt_new_pointer(module, cv_basic_types[T_BOOL32], 8)->symt;
222 cv_basic_types[T_64PBOOL64] = &symt_new_pointer(module, cv_basic_types[T_BOOL64], 8)->symt;
223 cv_basic_types[T_64PREAL32] = &symt_new_pointer(module, cv_basic_types[T_REAL32], 8)->symt;
224 cv_basic_types[T_64PREAL64] = &symt_new_pointer(module, cv_basic_types[T_REAL64], 8)->symt;
225 cv_basic_types[T_64PREAL80] = &symt_new_pointer(module, cv_basic_types[T_REAL80], 8)->symt;
226 cv_basic_types[T_64PRCHAR] = &symt_new_pointer(module, cv_basic_types[T_RCHAR], 8)->symt;
227 cv_basic_types[T_64PWCHAR] = &symt_new_pointer(module, cv_basic_types[T_WCHAR], 8)->symt;
228 cv_basic_types[T_64PCHAR16] = &symt_new_pointer(module, cv_basic_types[T_CHAR16], 8)->symt;
229 cv_basic_types[T_64PCHAR32] = &symt_new_pointer(module, cv_basic_types[T_CHAR32], 8)->symt;
230 cv_basic_types[T_64PINT2] = &symt_new_pointer(module, cv_basic_types[T_INT2], 8)->symt;
231 cv_basic_types[T_64PUINT2] = &symt_new_pointer(module, cv_basic_types[T_UINT2], 8)->symt;
232 cv_basic_types[T_64PINT4] = &symt_new_pointer(module, cv_basic_types[T_INT4], 8)->symt;
233 cv_basic_types[T_64PUINT4] = &symt_new_pointer(module, cv_basic_types[T_UINT4], 8)->symt;
234 cv_basic_types[T_64PINT8] = &symt_new_pointer(module, cv_basic_types[T_INT8], 8)->symt;
235 cv_basic_types[T_64PUINT8] = &symt_new_pointer(module, cv_basic_types[T_UINT8], 8)->symt;
236 cv_basic_types[T_64PHRESULT]= &symt_new_pointer(module, cv_basic_types[T_HRESULT], 8)->symt;
237
238 cv_basic_types[T_PVOID] = &symt_new_pointer(module, cv_basic_types[T_VOID], sizeof(void*))->symt;
239 cv_basic_types[T_PCHAR] = &symt_new_pointer(module, cv_basic_types[T_CHAR], sizeof(void*))->symt;
240 cv_basic_types[T_PSHORT] = &symt_new_pointer(module, cv_basic_types[T_SHORT], sizeof(void*))->symt;
241 cv_basic_types[T_PLONG] = &symt_new_pointer(module, cv_basic_types[T_LONG], sizeof(void*))->symt;
242 cv_basic_types[T_PQUAD] = &symt_new_pointer(module, cv_basic_types[T_QUAD], sizeof(void*))->symt;
243 cv_basic_types[T_PUCHAR] = &symt_new_pointer(module, cv_basic_types[T_UCHAR], sizeof(void*))->symt;
244 cv_basic_types[T_PUSHORT] = &symt_new_pointer(module, cv_basic_types[T_USHORT], sizeof(void*))->symt;
245 cv_basic_types[T_PULONG] = &symt_new_pointer(module, cv_basic_types[T_ULONG], sizeof(void*))->symt;
246 cv_basic_types[T_PUQUAD] = &symt_new_pointer(module, cv_basic_types[T_UQUAD], sizeof(void*))->symt;
247 cv_basic_types[T_PBOOL08] = &symt_new_pointer(module, cv_basic_types[T_BOOL08], sizeof(void*))->symt;
248 cv_basic_types[T_PBOOL16] = &symt_new_pointer(module, cv_basic_types[T_BOOL16], sizeof(void*))->symt;
249 cv_basic_types[T_PBOOL32] = &symt_new_pointer(module, cv_basic_types[T_BOOL32], sizeof(void*))->symt;
250 cv_basic_types[T_PBOOL64] = &symt_new_pointer(module, cv_basic_types[T_BOOL64], sizeof(void*))->symt;
251 cv_basic_types[T_PREAL32] = &symt_new_pointer(module, cv_basic_types[T_REAL32], sizeof(void*))->symt;
252 cv_basic_types[T_PREAL64] = &symt_new_pointer(module, cv_basic_types[T_REAL64], sizeof(void*))->symt;
253 cv_basic_types[T_PREAL80] = &symt_new_pointer(module, cv_basic_types[T_REAL80], sizeof(void*))->symt;
254 cv_basic_types[T_PRCHAR] = &symt_new_pointer(module, cv_basic_types[T_RCHAR], sizeof(void*))->symt;
255 cv_basic_types[T_PWCHAR] = &symt_new_pointer(module, cv_basic_types[T_WCHAR], sizeof(void*))->symt;
256 cv_basic_types[T_PCHAR16] = &symt_new_pointer(module, cv_basic_types[T_CHAR16], sizeof(void*))->symt;
257 cv_basic_types[T_PCHAR32] = &symt_new_pointer(module, cv_basic_types[T_CHAR32], sizeof(void*))->symt;
258 cv_basic_types[T_PINT2] = &symt_new_pointer(module, cv_basic_types[T_INT2], sizeof(void*))->symt;
259 cv_basic_types[T_PUINT2] = &symt_new_pointer(module, cv_basic_types[T_UINT2], sizeof(void*))->symt;
260 cv_basic_types[T_PINT4] = &symt_new_pointer(module, cv_basic_types[T_INT4], sizeof(void*))->symt;
261 cv_basic_types[T_PUINT4] = &symt_new_pointer(module, cv_basic_types[T_UINT4], sizeof(void*))->symt;
262 cv_basic_types[T_PINT8] = &symt_new_pointer(module, cv_basic_types[T_INT8], sizeof(void*))->symt;
263 cv_basic_types[T_PUINT8] = &symt_new_pointer(module, cv_basic_types[T_UINT8], sizeof(void*))->symt;
264 }
265
266 static int leaf_as_variant(VARIANT* v, const unsigned short int* leaf)
267 {
268 unsigned short int type = *leaf++;
269 int length = 2;
270
271 if (type < LF_NUMERIC)
272 {
273 v->n1.n2.vt = VT_UINT;
274 v->n1.n2.n3.uintVal = type;
275 }
276 else
277 {
278 switch (type)
279 {
280 case LF_CHAR:
281 length += 1;
282 v->n1.n2.vt = VT_I1;
283 v->n1.n2.n3.cVal = *(const char*)leaf;
284 break;
285
286 case LF_SHORT:
287 length += 2;
288 v->n1.n2.vt = VT_I2;
289 v->n1.n2.n3.iVal = *(const short*)leaf;
290 break;
291
292 case LF_USHORT:
293 length += 2;
294 v->n1.n2.vt = VT_UI2;
295 v->n1.n2.n3.uiVal = *leaf;
296 break;
297
298 case LF_LONG:
299 length += 4;
300 v->n1.n2.vt = VT_I4;
301 v->n1.n2.n3.lVal = *(const int*)leaf;
302 break;
303
304 case LF_ULONG:
305 length += 4;
306 v->n1.n2.vt = VT_UI4;
307 v->n1.n2.n3.uiVal = *(const unsigned int*)leaf;
308 break;
309
310 case LF_QUADWORD:
311 length += 8;
312 v->n1.n2.vt = VT_I8;
313 v->n1.n2.n3.llVal = *(const long long int*)leaf;
314 break;
315
316 case LF_UQUADWORD:
317 length += 8;
318 v->n1.n2.vt = VT_UI8;
319 v->n1.n2.n3.ullVal = *(const long long unsigned int*)leaf;
320 break;
321
322 case LF_REAL32:
323 length += 4;
324 v->n1.n2.vt = VT_R4;
325 v->n1.n2.n3.fltVal = *(const float*)leaf;
326 break;
327
328 case LF_REAL48:
329 FIXME("Unsupported numeric leaf type %04x\n", type);
330 length += 6;
331 v->n1.n2.vt = VT_EMPTY; /* FIXME */
332 break;
333
334 case LF_REAL64:
335 length += 8;
336 v->n1.n2.vt = VT_R8;
337 v->n1.n2.n3.fltVal = *(const double*)leaf;
338 break;
339
340 case LF_REAL80:
341 FIXME("Unsupported numeric leaf type %04x\n", type);
342 length += 10;
343 v->n1.n2.vt = VT_EMPTY; /* FIXME */
344 break;
345
346 case LF_REAL128:
347 FIXME("Unsupported numeric leaf type %04x\n", type);
348 length += 16;
349 v->n1.n2.vt = VT_EMPTY; /* FIXME */
350 break;
351
352 case LF_COMPLEX32:
353 FIXME("Unsupported numeric leaf type %04x\n", type);
354 length += 4;
355 v->n1.n2.vt = VT_EMPTY; /* FIXME */
356 break;
357
358 case LF_COMPLEX64:
359 FIXME("Unsupported numeric leaf type %04x\n", type);
360 length += 8;
361 v->n1.n2.vt = VT_EMPTY; /* FIXME */
362 break;
363
364 case LF_COMPLEX80:
365 FIXME("Unsupported numeric leaf type %04x\n", type);
366 length += 10;
367 v->n1.n2.vt = VT_EMPTY; /* FIXME */
368 break;
369
370 case LF_COMPLEX128:
371 FIXME("Unsupported numeric leaf type %04x\n", type);
372 length += 16;
373 v->n1.n2.vt = VT_EMPTY; /* FIXME */
374 break;
375
376 case LF_VARSTRING:
377 FIXME("Unsupported numeric leaf type %04x\n", type);
378 length += 2 + *leaf;
379 v->n1.n2.vt = VT_EMPTY; /* FIXME */
380 break;
381
382 default:
383 FIXME("Unknown numeric leaf type %04x\n", type);
384 v->n1.n2.vt = VT_EMPTY; /* FIXME */
385 break;
386 }
387 }
388
389 return length;
390 }
391
392 static int numeric_leaf(int* value, const unsigned short int* leaf)
393 {
394 unsigned short int type = *leaf++;
395 int length = 2;
396
397 if (type < LF_NUMERIC)
398 {
399 *value = type;
400 }
401 else
402 {
403 switch (type)
404 {
405 case LF_CHAR:
406 length += 1;
407 *value = *(const char*)leaf;
408 break;
409
410 case LF_SHORT:
411 length += 2;
412 *value = *(const short*)leaf;
413 break;
414
415 case LF_USHORT:
416 length += 2;
417 *value = *leaf;
418 break;
419
420 case LF_LONG:
421 length += 4;
422 *value = *(const int*)leaf;
423 break;
424
425 case LF_ULONG:
426 length += 4;
427 *value = *(const unsigned int*)leaf;
428 break;
429
430 case LF_QUADWORD:
431 case LF_UQUADWORD:
432 FIXME("Unsupported numeric leaf type %04x\n", type);
433 length += 8;
434 *value = 0; /* FIXME */
435 break;
436
437 case LF_REAL32:
438 FIXME("Unsupported numeric leaf type %04x\n", type);
439 length += 4;
440 *value = 0; /* FIXME */
441 break;
442
443 case LF_REAL48:
444 FIXME("Unsupported numeric leaf type %04x\n", type);
445 length += 6;
446 *value = 0; /* FIXME */
447 break;
448
449 case LF_REAL64:
450 FIXME("Unsupported numeric leaf type %04x\n", type);
451 length += 8;
452 *value = 0; /* FIXME */
453 break;
454
455 case LF_REAL80:
456 FIXME("Unsupported numeric leaf type %04x\n", type);
457 length += 10;
458 *value = 0; /* FIXME */
459 break;
460
461 case LF_REAL128:
462 FIXME("Unsupported numeric leaf type %04x\n", type);
463 length += 16;
464 *value = 0; /* FIXME */
465 break;
466
467 case LF_COMPLEX32:
468 FIXME("Unsupported numeric leaf type %04x\n", type);
469 length += 4;
470 *value = 0; /* FIXME */
471 break;
472
473 case LF_COMPLEX64:
474 FIXME("Unsupported numeric leaf type %04x\n", type);
475 length += 8;
476 *value = 0; /* FIXME */
477 break;
478
479 case LF_COMPLEX80:
480 FIXME("Unsupported numeric leaf type %04x\n", type);
481 length += 10;
482 *value = 0; /* FIXME */
483 break;
484
485 case LF_COMPLEX128:
486 FIXME("Unsupported numeric leaf type %04x\n", type);
487 length += 16;
488 *value = 0; /* FIXME */
489 break;
490
491 case LF_VARSTRING:
492 FIXME("Unsupported numeric leaf type %04x\n", type);
493 length += 2 + *leaf;
494 *value = 0; /* FIXME */
495 break;
496
497 default:
498 FIXME("Unknown numeric leaf type %04x\n", type);
499 *value = 0;
500 break;
501 }
502 }
503
504 return length;
505 }
506
507 /* convert a pascal string (as stored in debug information) into
508 * a C string (null terminated).
509 */
510 static const char* terminate_string(const struct p_string* p_name)
511 {
512 static char symname[256];
513
514 memcpy(symname, p_name->name, p_name->namelen);
515 symname[p_name->namelen] = '\0';
516
517 return (!*symname || strcmp(symname, "__unnamed") == 0) ? NULL : symname;
518 }
519
520 static struct symt* codeview_get_type(unsigned int typeno, BOOL quiet)
521 {
522 struct symt* symt = NULL;
523
524 /*
525 * Convert Codeview type numbers into something we can grok internally.
526 * Numbers < FIRST_DEFINABLE_TYPE are all fixed builtin types.
527 * Numbers from FIRST_DEFINABLE_TYPE and up are all user defined (structs, etc).
528 */
529 if (typeno < FIRST_DEFINABLE_TYPE)
530 {
531 if (typeno < MAX_BUILTIN_TYPES)
532 symt = cv_basic_types[typeno];
533 }
534 else
535 {
536 unsigned mod_index = typeno >> 24;
537 unsigned mod_typeno = typeno & 0x00FFFFFF;
538 struct cv_defined_module* mod;
539
540 mod = (mod_index == 0) ? cv_current_module : &cv_zmodules[mod_index];
541
542 if (mod_index >= CV_MAX_MODULES || !mod->allowed)
543 FIXME("Module of index %d isn't loaded yet (%x)\n", mod_index, typeno);
544 else
545 {
546 if (mod_typeno - FIRST_DEFINABLE_TYPE < mod->num_defined_types)
547 symt = mod->defined_types[mod_typeno - FIRST_DEFINABLE_TYPE];
548 }
549 }
550 if (!quiet && !symt && typeno) FIXME("Returning NULL symt for type-id %x\n", typeno);
551 return symt;
552 }
553
554 struct codeview_type_parse
555 {
556 struct module* module;
557 const BYTE* table;
558 const DWORD* offset;
559 DWORD num;
560 };
561
562 static inline const void* codeview_jump_to_type(const struct codeview_type_parse* ctp, DWORD idx)
563 {
564 if (idx < FIRST_DEFINABLE_TYPE) return NULL;
565 idx -= FIRST_DEFINABLE_TYPE;
566 return (idx >= ctp->num) ? NULL : (ctp->table + ctp->offset[idx]);
567 }
568
569 static int codeview_add_type(unsigned int typeno, struct symt* dt)
570 {
571 if (typeno < FIRST_DEFINABLE_TYPE)
572 FIXME("What the heck\n");
573 if (!cv_current_module)
574 {
575 FIXME("Adding %x to non allowed module\n", typeno);
576 return FALSE;
577 }
578 if ((typeno >> 24) != 0)
579 FIXME("No module index while inserting type-id assumption is wrong %x\n",
580 typeno);
581 if (typeno - FIRST_DEFINABLE_TYPE >= cv_current_module->num_defined_types)
582 {
583 if (cv_current_module->defined_types)
584 {
585 cv_current_module->num_defined_types = max( cv_current_module->num_defined_types * 2,
586 typeno - FIRST_DEFINABLE_TYPE + 1 );
587 cv_current_module->defined_types = HeapReAlloc(GetProcessHeap(),
588 HEAP_ZERO_MEMORY, cv_current_module->defined_types,
589 cv_current_module->num_defined_types * sizeof(struct symt*));
590 }
591 else
592 {
593 cv_current_module->num_defined_types = max( 256, typeno - FIRST_DEFINABLE_TYPE + 1 );
594 cv_current_module->defined_types = HeapAlloc(GetProcessHeap(),
595 HEAP_ZERO_MEMORY,
596 cv_current_module->num_defined_types * sizeof(struct symt*));
597 }
598 if (cv_current_module->defined_types == NULL) return FALSE;
599 }
600 if (cv_current_module->defined_types[typeno - FIRST_DEFINABLE_TYPE])
601 {
602 if (cv_current_module->defined_types[typeno - FIRST_DEFINABLE_TYPE] != dt)
603 FIXME("Overwriting at %x\n", typeno);
604 }
605 cv_current_module->defined_types[typeno - FIRST_DEFINABLE_TYPE] = dt;
606 return TRUE;
607 }
608
609 static void codeview_clear_type_table(void)
610 {
611 int i;
612
613 for (i = 0; i < CV_MAX_MODULES; i++)
614 {
615 if (cv_zmodules[i].allowed)
616 HeapFree(GetProcessHeap(), 0, cv_zmodules[i].defined_types);
617 cv_zmodules[i].allowed = FALSE;
618 cv_zmodules[i].defined_types = NULL;
619 cv_zmodules[i].num_defined_types = 0;
620 }
621 cv_current_module = NULL;
622 }
623
624 static struct symt* codeview_parse_one_type(struct codeview_type_parse* ctp,
625 unsigned curr_type,
626 const union codeview_type* type, BOOL details);
627
628 static void* codeview_cast_symt(struct symt* symt, enum SymTagEnum tag)
629 {
630 if (symt->tag != tag)
631 {
632 FIXME("Bad tag. Expected %d, but got %d\n", tag, symt->tag);
633 return NULL;
634 }
635 return symt;
636 }
637
638 static struct symt* codeview_fetch_type(struct codeview_type_parse* ctp,
639 unsigned typeno, BOOL details)
640 {
641 struct symt* symt;
642 const union codeview_type* p;
643
644 if (!typeno) return NULL;
645 if ((symt = codeview_get_type(typeno, TRUE))) return symt;
646
647 /* forward declaration */
648 if (!(p = codeview_jump_to_type(ctp, typeno)))
649 {
650 FIXME("Cannot locate type %x\n", typeno);
651 return NULL;
652 }
653 symt = codeview_parse_one_type(ctp, typeno, p, details);
654 if (!symt) FIXME("Couldn't load forward type %x\n", typeno);
655 return symt;
656 }
657
658 static struct symt* codeview_add_type_pointer(struct codeview_type_parse* ctp,
659 struct symt* existing,
660 unsigned int pointee_type)
661 {
662 struct symt* pointee;
663
664 if (existing)
665 {
666 existing = codeview_cast_symt(existing, SymTagPointerType);
667 return existing;
668 }
669 pointee = codeview_fetch_type(ctp, pointee_type, FALSE);
670 return &symt_new_pointer(ctp->module, pointee, sizeof(void *))->symt;
671 }
672
673 static struct symt* codeview_add_type_array(struct codeview_type_parse* ctp,
674 const char* name,
675 unsigned int elemtype,
676 unsigned int indextype,
677 unsigned int arr_len)
678 {
679 struct symt* elem = codeview_fetch_type(ctp, elemtype, FALSE);
680 struct symt* index = codeview_fetch_type(ctp, indextype, FALSE);
681
682 return &symt_new_array(ctp->module, 0, -arr_len, elem, index)->symt;
683 }
684
685 static BOOL codeview_add_type_enum_field_list(struct module* module,
686 struct symt_enum* symt,
687 const union codeview_reftype* ref_type)
688 {
689 const unsigned char* ptr = ref_type->fieldlist.list;
690 const unsigned char* last = (const BYTE*)ref_type + ref_type->generic.len + 2;
691 const union codeview_fieldtype* type;
692
693 while (ptr < last)
694 {
695 if (*ptr >= 0xf0) /* LF_PAD... */
696 {
697 ptr += *ptr & 0x0f;
698 continue;
699 }
700
701 type = (const union codeview_fieldtype*)ptr;
702
703 switch (type->generic.id)
704 {
705 case LF_ENUMERATE_V1:
706 {
707 int value, vlen = numeric_leaf(&value, &type->enumerate_v1.value);
708 const struct p_string* p_name = (const struct p_string*)((const unsigned char*)&type->enumerate_v1.value + vlen);
709
710 symt_add_enum_element(module, symt, terminate_string(p_name), value);
711 ptr += 2 + 2 + vlen + (1 + p_name->namelen);
712 break;
713 }
714 case LF_ENUMERATE_V3:
715 {
716 int value, vlen = numeric_leaf(&value, &type->enumerate_v3.value);
717 const char* name = (const char*)&type->enumerate_v3.value + vlen;
718
719 symt_add_enum_element(module, symt, name, value);
720 ptr += 2 + 2 + vlen + (1 + strlen(name));
721 break;
722 }
723
724 default:
725 FIXME("Unsupported type %04x in ENUM field list\n", type->generic.id);
726 return FALSE;
727 }
728 }
729 return TRUE;
730 }
731
732 static void codeview_add_udt_element(struct codeview_type_parse* ctp,
733 struct symt_udt* symt, const char* name,
734 int value, unsigned type)
735 {
736 struct symt* subtype;
737 const union codeview_reftype*cv_type;
738
739 if ((cv_type = codeview_jump_to_type(ctp, type)))
740 {
741 switch (cv_type->generic.id)
742 {
743 case LF_BITFIELD_V1:
744 symt_add_udt_element(ctp->module, symt, name,
745 codeview_fetch_type(ctp, cv_type->bitfield_v1.type, FALSE),
746 (value << 3) + cv_type->bitfield_v1.bitoff,
747 cv_type->bitfield_v1.nbits);
748 return;
749 case LF_BITFIELD_V2:
750 symt_add_udt_element(ctp->module, symt, name,
751 codeview_fetch_type(ctp, cv_type->bitfield_v2.type, FALSE),
752 (value << 3) + cv_type->bitfield_v2.bitoff,
753 cv_type->bitfield_v2.nbits);
754 return;
755 }
756 }
757 subtype = codeview_fetch_type(ctp, type, FALSE);
758
759 if (subtype)
760 {
761 DWORD64 elem_size = 0;
762 symt_get_info(ctp->module, subtype, TI_GET_LENGTH, &elem_size);
763 symt_add_udt_element(ctp->module, symt, name, subtype,
764 value << 3, (DWORD)elem_size << 3);
765 }
766 }
767
768 static int codeview_add_type_struct_field_list(struct codeview_type_parse* ctp,
769 struct symt_udt* symt,
770 unsigned fieldlistno)
771 {
772 const unsigned char* ptr;
773 const unsigned char* last;
774 int value, leaf_len;
775 const struct p_string* p_name;
776 const char* c_name;
777 const union codeview_reftype*type_ref;
778 const union codeview_fieldtype* type;
779
780 if (!fieldlistno) return TRUE;
781 type_ref = codeview_jump_to_type(ctp, fieldlistno);
782 ptr = type_ref->fieldlist.list;
783 last = (const BYTE*)type_ref + type_ref->generic.len + 2;
784
785 while (ptr < last)
786 {
787 if (*ptr >= 0xf0) /* LF_PAD... */
788 {
789 ptr += *ptr & 0x0f;
790 continue;
791 }
792
793 type = (const union codeview_fieldtype*)ptr;
794
795 switch (type->generic.id)
796 {
797 case LF_BCLASS_V1:
798 leaf_len = numeric_leaf(&value, &type->bclass_v1.offset);
799
800 /* FIXME: ignored for now */
801
802 ptr += 2 + 2 + 2 + leaf_len;
803 break;
804
805 case LF_BCLASS_V2:
806 leaf_len = numeric_leaf(&value, &type->bclass_v2.offset);
807
808 /* FIXME: ignored for now */
809
810 ptr += 2 + 2 + 4 + leaf_len;
811 break;
812
813 case LF_VBCLASS_V1:
814 case LF_IVBCLASS_V1:
815 {
816 const unsigned short int* p_vboff;
817 int vpoff, vplen;
818 leaf_len = numeric_leaf(&value, &type->vbclass_v1.vbpoff);
819 p_vboff = (const unsigned short int*)((const char*)&type->vbclass_v1.vbpoff + leaf_len);
820 vplen = numeric_leaf(&vpoff, p_vboff);
821
822 /* FIXME: ignored for now */
823
824 ptr += 2 + 2 + 2 + 2 + leaf_len + vplen;
825 }
826 break;
827
828 case LF_VBCLASS_V2:
829 case LF_IVBCLASS_V2:
830 {
831 const unsigned short int* p_vboff;
832 int vpoff, vplen;
833 leaf_len = numeric_leaf(&value, &type->vbclass_v2.vbpoff);
834 p_vboff = (const unsigned short int*)((const char*)&type->vbclass_v2.vbpoff + leaf_len);
835 vplen = numeric_leaf(&vpoff, p_vboff);
836
837 /* FIXME: ignored for now */
838
839 ptr += 2 + 2 + 4 + 4 + leaf_len + vplen;
840 }
841 break;
842
843 case LF_MEMBER_V1:
844 leaf_len = numeric_leaf(&value, &type->member_v1.offset);
845 p_name = (const struct p_string*)((const char*)&type->member_v1.offset + leaf_len);
846
847 codeview_add_udt_element(ctp, symt, terminate_string(p_name), value,
848 type->member_v1.type);
849
850 ptr += 2 + 2 + 2 + leaf_len + (1 + p_name->namelen);
851 break;
852
853 case LF_MEMBER_V2:
854 leaf_len = numeric_leaf(&value, &type->member_v2.offset);
855 p_name = (const struct p_string*)((const unsigned char*)&type->member_v2.offset + leaf_len);
856
857 codeview_add_udt_element(ctp, symt, terminate_string(p_name), value,
858 type->member_v2.type);
859
860 ptr += 2 + 2 + 4 + leaf_len + (1 + p_name->namelen);
861 break;
862
863 case LF_MEMBER_V3:
864 leaf_len = numeric_leaf(&value, &type->member_v3.offset);
865 c_name = (const char*)&type->member_v3.offset + leaf_len;
866
867 codeview_add_udt_element(ctp, symt, c_name, value, type->member_v3.type);
868
869 ptr += 2 + 2 + 4 + leaf_len + (strlen(c_name) + 1);
870 break;
871
872 case LF_STMEMBER_V1:
873 /* FIXME: ignored for now */
874 ptr += 2 + 2 + 2 + (1 + type->stmember_v1.p_name.namelen);
875 break;
876
877 case LF_STMEMBER_V2:
878 /* FIXME: ignored for now */
879 ptr += 2 + 4 + 2 + (1 + type->stmember_v2.p_name.namelen);
880 break;
881
882 case LF_STMEMBER_V3:
883 /* FIXME: ignored for now */
884 ptr += 2 + 4 + 2 + (strlen(type->stmember_v3.name) + 1);
885 break;
886
887 case LF_METHOD_V1:
888 /* FIXME: ignored for now */
889 ptr += 2 + 2 + 2 + (1 + type->method_v1.p_name.namelen);
890 break;
891
892 case LF_METHOD_V2:
893 /* FIXME: ignored for now */
894 ptr += 2 + 2 + 4 + (1 + type->method_v2.p_name.namelen);
895 break;
896
897 case LF_METHOD_V3:
898 /* FIXME: ignored for now */
899 ptr += 2 + 2 + 4 + (strlen(type->method_v3.name) + 1);
900 break;
901
902 case LF_NESTTYPE_V1:
903 /* FIXME: ignored for now */
904 ptr += 2 + 2 + (1 + type->nesttype_v1.p_name.namelen);
905 break;
906
907 case LF_NESTTYPE_V2:
908 /* FIXME: ignored for now */
909 ptr += 2 + 2 + 4 + (1 + type->nesttype_v2.p_name.namelen);
910 break;
911
912 case LF_NESTTYPE_V3:
913 /* FIXME: ignored for now */
914 ptr += 2 + 2 + 4 + (strlen(type->nesttype_v3.name) + 1);
915 break;
916
917 case LF_VFUNCTAB_V1:
918 /* FIXME: ignored for now */
919 ptr += 2 + 2;
920 break;
921
922 case LF_VFUNCTAB_V2:
923 /* FIXME: ignored for now */
924 ptr += 2 + 2 + 4;
925 break;
926
927 case LF_ONEMETHOD_V1:
928 /* FIXME: ignored for now */
929 switch ((type->onemethod_v1.attribute >> 2) & 7)
930 {
931 case 4: case 6: /* (pure) introducing virtual method */
932 ptr += 2 + 2 + 2 + 4 + (1 + type->onemethod_virt_v1.p_name.namelen);
933 break;
934
935 default:
936 ptr += 2 + 2 + 2 + (1 + type->onemethod_v1.p_name.namelen);
937 break;
938 }
939 break;
940
941 case LF_ONEMETHOD_V2:
942 /* FIXME: ignored for now */
943 switch ((type->onemethod_v2.attribute >> 2) & 7)
944 {
945 case 4: case 6: /* (pure) introducing virtual method */
946 ptr += 2 + 2 + 4 + 4 + (1 + type->onemethod_virt_v2.p_name.namelen);
947 break;
948
949 default:
950 ptr += 2 + 2 + 4 + (1 + type->onemethod_v2.p_name.namelen);
951 break;
952 }
953 break;
954
955 case LF_ONEMETHOD_V3:
956 /* FIXME: ignored for now */
957 switch ((type->onemethod_v3.attribute >> 2) & 7)
958 {
959 case 4: case 6: /* (pure) introducing virtual method */
960 ptr += 2 + 2 + 4 + 4 + (strlen(type->onemethod_virt_v3.name) + 1);
961 break;
962
963 default:
964 ptr += 2 + 2 + 4 + (strlen(type->onemethod_v3.name) + 1);
965 break;
966 }
967 break;
968
969 case LF_INDEX_V1:
970 if (!codeview_add_type_struct_field_list(ctp, symt, type->index_v1.ref))
971 return FALSE;
972 ptr += 2 + 2;
973 break;
974
975 case LF_INDEX_V2:
976 if (!codeview_add_type_struct_field_list(ctp, symt, type->index_v2.ref))
977 return FALSE;
978 ptr += 2 + 2 + 4;
979 break;
980
981 default:
982 FIXME("Unsupported type %04x in STRUCT field list\n", type->generic.id);
983 return FALSE;
984 }
985 }
986
987 return TRUE;
988 }
989
990 static struct symt* codeview_add_type_enum(struct codeview_type_parse* ctp,
991 struct symt* existing,
992 const char* name,
993 unsigned fieldlistno,
994 unsigned basetype)
995 {
996 struct symt_enum* symt;
997
998 if (existing)
999 {
1000 if (!(symt = codeview_cast_symt(existing, SymTagEnum))) return NULL;
1001 /* should also check that all fields are the same */
1002 }
1003 else
1004 {
1005 symt = symt_new_enum(ctp->module, name,
1006 codeview_fetch_type(ctp, basetype, FALSE));
1007 if (fieldlistno)
1008 {
1009 const union codeview_reftype* fieldlist;
1010 fieldlist = codeview_jump_to_type(ctp, fieldlistno);
1011 codeview_add_type_enum_field_list(ctp->module, symt, fieldlist);
1012 }
1013 }
1014 return &symt->symt;
1015 }
1016
1017 static struct symt* codeview_add_type_struct(struct codeview_type_parse* ctp,
1018 struct symt* existing,
1019 const char* name, int structlen,
1020 enum UdtKind kind, unsigned property)
1021 {
1022 struct symt_udt* symt;
1023
1024 /* if we don't have an existing type, try to find one with same name
1025 * FIXME: what to do when several types in different CUs have same name ?
1026 */
1027 if (!existing)
1028 {
1029 void* ptr;
1030 struct symt_ht* type;
1031 struct hash_table_iter hti;
1032
1033 hash_table_iter_init(&ctp->module->ht_types, &hti, name);
1034 while ((ptr = hash_table_iter_up(&hti)))
1035 {
1036 type = CONTAINING_RECORD(ptr, struct symt_ht, hash_elt);
1037
1038 if (type->symt.tag == SymTagUDT &&
1039 type->hash_elt.name && !strcmp(type->hash_elt.name, name))
1040 {
1041 existing = &type->symt;
1042 break;
1043 }
1044 }
1045 }
1046 if (existing)
1047 {
1048 if (!(symt = codeview_cast_symt(existing, SymTagUDT))) return NULL;
1049 /* should also check that all fields are the same */
1050 if (!(property & 0x80)) /* 0x80 = forward declaration */
1051 {
1052 if (!symt->size) /* likely prior forward declaration, set UDT size */
1053 symt_set_udt_size(ctp->module, symt, structlen);
1054 else /* different UDT with same name, create a new type */
1055 existing = NULL;
1056 }
1057 }
1058 if (!existing) symt = symt_new_udt(ctp->module, name, structlen, kind);
1059
1060 return &symt->symt;
1061 }
1062
1063 static struct symt* codeview_new_func_signature(struct codeview_type_parse* ctp,
1064 struct symt* existing,
1065 enum CV_call_e call_conv)
1066 {
1067 struct symt_function_signature* sym;
1068
1069 if (existing)
1070 {
1071 sym = codeview_cast_symt(existing, SymTagFunctionType);
1072 if (!sym) return NULL;
1073 }
1074 else
1075 {
1076 sym = symt_new_function_signature(ctp->module, NULL, call_conv);
1077 }
1078 return &sym->symt;
1079 }
1080
1081 static void codeview_add_func_signature_args(struct codeview_type_parse* ctp,
1082 struct symt_function_signature* sym,
1083 unsigned ret_type,
1084 unsigned args_list)
1085 {
1086 const union codeview_reftype* reftype;
1087
1088 sym->rettype = codeview_fetch_type(ctp, ret_type, FALSE);
1089 if (args_list && (reftype = codeview_jump_to_type(ctp, args_list)))
1090 {
1091 unsigned int i;
1092 switch (reftype->generic.id)
1093 {
1094 case LF_ARGLIST_V1:
1095 for (i = 0; i < reftype->arglist_v1.num; i++)
1096 symt_add_function_signature_parameter(ctp->module, sym,
1097 codeview_fetch_type(ctp, reftype->arglist_v1.args[i], FALSE));
1098 break;
1099 case LF_ARGLIST_V2:
1100 for (i = 0; i < reftype->arglist_v2.num; i++)
1101 symt_add_function_signature_parameter(ctp->module, sym,
1102 codeview_fetch_type(ctp, reftype->arglist_v2.args[i], FALSE));
1103 break;
1104 default:
1105 FIXME("Unexpected leaf %x for signature's pmt\n", reftype->generic.id);
1106 }
1107 }
1108 }
1109
1110 static struct symt* codeview_parse_one_type(struct codeview_type_parse* ctp,
1111 unsigned curr_type,
1112 const union codeview_type* type, BOOL details)
1113 {
1114 struct symt* symt;
1115 int value, leaf_len;
1116 const struct p_string* p_name;
1117 const char* c_name;
1118 struct symt* existing;
1119
1120 existing = codeview_get_type(curr_type, TRUE);
1121
1122 switch (type->generic.id)
1123 {
1124 case LF_MODIFIER_V1:
1125 /* FIXME: we don't handle modifiers,
1126 * but read previous type on the curr_type
1127 */
1128 WARN("Modifier on %x: %s%s%s%s\n",
1129 type->modifier_v1.type,
1130 type->modifier_v1.attribute & 0x01 ? "const " : "",
1131 type->modifier_v1.attribute & 0x02 ? "volatile " : "",
1132 type->modifier_v1.attribute & 0x04 ? "unaligned " : "",
1133 type->modifier_v1.attribute & ~0x07 ? "unknown " : "");
1134 symt = codeview_fetch_type(ctp, type->modifier_v1.type, details);
1135 break;
1136 case LF_MODIFIER_V2:
1137 /* FIXME: we don't handle modifiers, but readd previous type on the curr_type */
1138 WARN("Modifier on %x: %s%s%s%s\n",
1139 type->modifier_v2.type,
1140 type->modifier_v2.attribute & 0x01 ? "const " : "",
1141 type->modifier_v2.attribute & 0x02 ? "volatile " : "",
1142 type->modifier_v2.attribute & 0x04 ? "unaligned " : "",
1143 type->modifier_v2.attribute & ~0x07 ? "unknown " : "");
1144 symt = codeview_fetch_type(ctp, type->modifier_v2.type, details);
1145 break;
1146
1147 case LF_POINTER_V1:
1148 symt = codeview_add_type_pointer(ctp, existing, type->pointer_v1.datatype);
1149 break;
1150 case LF_POINTER_V2:
1151 symt = codeview_add_type_pointer(ctp, existing, type->pointer_v2.datatype);
1152 break;
1153
1154 case LF_ARRAY_V1:
1155 if (existing) symt = codeview_cast_symt(existing, SymTagArrayType);
1156 else
1157 {
1158 leaf_len = numeric_leaf(&value, &type->array_v1.arrlen);
1159 p_name = (const struct p_string*)((const unsigned char*)&type->array_v1.arrlen + leaf_len);
1160 symt = codeview_add_type_array(ctp, terminate_string(p_name),
1161 type->array_v1.elemtype,
1162 type->array_v1.idxtype, value);
1163 }
1164 break;
1165 case LF_ARRAY_V2:
1166 if (existing) symt = codeview_cast_symt(existing, SymTagArrayType);
1167 else
1168 {
1169 leaf_len = numeric_leaf(&value, &type->array_v2.arrlen);
1170 p_name = (const struct p_string*)((const unsigned char*)&type->array_v2.arrlen + leaf_len);
1171
1172 symt = codeview_add_type_array(ctp, terminate_string(p_name),
1173 type->array_v2.elemtype,
1174 type->array_v2.idxtype, value);
1175 }
1176 break;
1177 case LF_ARRAY_V3:
1178 if (existing) symt = codeview_cast_symt(existing, SymTagArrayType);
1179 else
1180 {
1181 leaf_len = numeric_leaf(&value, &type->array_v3.arrlen);
1182 c_name = (const char*)&type->array_v3.arrlen + leaf_len;
1183
1184 symt = codeview_add_type_array(ctp, c_name,
1185 type->array_v3.elemtype,
1186 type->array_v3.idxtype, value);
1187 }
1188 break;
1189
1190 case LF_STRUCTURE_V1:
1191 case LF_CLASS_V1:
1192 leaf_len = numeric_leaf(&value, &type->struct_v1.structlen);
1193 p_name = (const struct p_string*)((const unsigned char*)&type->struct_v1.structlen + leaf_len);
1194 symt = codeview_add_type_struct(ctp, existing, terminate_string(p_name), value,
1195 type->generic.id == LF_CLASS_V1 ? UdtClass : UdtStruct,
1196 type->struct_v1.property);
1197 if (details)
1198 {
1199 codeview_add_type(curr_type, symt);
1200 if (!(type->struct_v1.property & 0x80)) /* 0x80 = forward declaration */
1201 codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
1202 type->struct_v1.fieldlist);
1203 }
1204 break;
1205
1206 case LF_STRUCTURE_V2:
1207 case LF_CLASS_V2:
1208 leaf_len = numeric_leaf(&value, &type->struct_v2.structlen);
1209 p_name = (const struct p_string*)((const unsigned char*)&type->struct_v2.structlen + leaf_len);
1210 symt = codeview_add_type_struct(ctp, existing, terminate_string(p_name), value,
1211 type->generic.id == LF_CLASS_V2 ? UdtClass : UdtStruct,
1212 type->struct_v2.property);
1213 if (details)
1214 {
1215 codeview_add_type(curr_type, symt);
1216 if (!(type->struct_v2.property & 0x80)) /* 0x80 = forward declaration */
1217 codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
1218 type->struct_v2.fieldlist);
1219 }
1220 break;
1221
1222 case LF_STRUCTURE_V3:
1223 case LF_CLASS_V3:
1224 leaf_len = numeric_leaf(&value, &type->struct_v3.structlen);
1225 c_name = (const char*)&type->struct_v3.structlen + leaf_len;
1226 symt = codeview_add_type_struct(ctp, existing, c_name, value,
1227 type->generic.id == LF_CLASS_V3 ? UdtClass : UdtStruct,
1228 type->struct_v3.property);
1229 if (details)
1230 {
1231 codeview_add_type(curr_type, symt);
1232 if (!(type->struct_v3.property & 0x80)) /* 0x80 = forward declaration */
1233 codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
1234 type->struct_v3.fieldlist);
1235 }
1236 break;
1237
1238 case LF_UNION_V1:
1239 leaf_len = numeric_leaf(&value, &type->union_v1.un_len);
1240 p_name = (const struct p_string*)((const unsigned char*)&type->union_v1.un_len + leaf_len);
1241 symt = codeview_add_type_struct(ctp, existing, terminate_string(p_name),
1242 value, UdtUnion, type->union_v1.property);
1243 if (details)
1244 {
1245 codeview_add_type(curr_type, symt);
1246 codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
1247 type->union_v1.fieldlist);
1248 }
1249 break;
1250
1251 case LF_UNION_V2:
1252 leaf_len = numeric_leaf(&value, &type->union_v2.un_len);
1253 p_name = (const struct p_string*)((const unsigned char*)&type->union_v2.un_len + leaf_len);
1254 symt = codeview_add_type_struct(ctp, existing, terminate_string(p_name),
1255 value, UdtUnion, type->union_v2.property);
1256 if (details)
1257 {
1258 codeview_add_type(curr_type, symt);
1259 codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
1260 type->union_v2.fieldlist);
1261 }
1262 break;
1263
1264 case LF_UNION_V3:
1265 leaf_len = numeric_leaf(&value, &type->union_v3.un_len);
1266 c_name = (const char*)&type->union_v3.un_len + leaf_len;
1267 symt = codeview_add_type_struct(ctp, existing, c_name,
1268 value, UdtUnion, type->union_v3.property);
1269 if (details)
1270 {
1271 codeview_add_type(curr_type, symt);
1272 codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt,
1273 type->union_v3.fieldlist);
1274 }
1275 break;
1276
1277 case LF_ENUM_V1:
1278 symt = codeview_add_type_enum(ctp, existing,
1279 terminate_string(&type->enumeration_v1.p_name),
1280 type->enumeration_v1.fieldlist,
1281 type->enumeration_v1.type);
1282 break;
1283
1284 case LF_ENUM_V2:
1285 symt = codeview_add_type_enum(ctp, existing,
1286 terminate_string(&type->enumeration_v2.p_name),
1287 type->enumeration_v2.fieldlist,
1288 type->enumeration_v2.type);
1289 break;
1290
1291 case LF_ENUM_V3:
1292 symt = codeview_add_type_enum(ctp, existing, type->enumeration_v3.name,
1293 type->enumeration_v3.fieldlist,
1294 type->enumeration_v3.type);
1295 break;
1296
1297 case LF_PROCEDURE_V1:
1298 symt = codeview_new_func_signature(ctp, existing, type->procedure_v1.call);
1299 if (details)
1300 {
1301 codeview_add_type(curr_type, symt);
1302 codeview_add_func_signature_args(ctp,
1303 (struct symt_function_signature*)symt,
1304 type->procedure_v1.rvtype,
1305 type->procedure_v1.arglist);
1306 }
1307 break;
1308 case LF_PROCEDURE_V2:
1309 symt = codeview_new_func_signature(ctp, existing,type->procedure_v2.call);
1310 if (details)
1311 {
1312 codeview_add_type(curr_type, symt);
1313 codeview_add_func_signature_args(ctp,
1314 (struct symt_function_signature*)symt,
1315 type->procedure_v2.rvtype,
1316 type->procedure_v2.arglist);
1317 }
1318 break;
1319
1320 case LF_MFUNCTION_V1:
1321 /* FIXME: for C++, this is plain wrong, but as we don't use arg types
1322 * nor class information, this would just do for now
1323 */
1324 symt = codeview_new_func_signature(ctp, existing, type->mfunction_v1.call);
1325 if (details)
1326 {
1327 codeview_add_type(curr_type, symt);
1328 codeview_add_func_signature_args(ctp,
1329 (struct symt_function_signature*)symt,
1330 type->mfunction_v1.rvtype,
1331 type->mfunction_v1.arglist);
1332 }
1333 break;
1334 case LF_MFUNCTION_V2:
1335 /* FIXME: for C++, this is plain wrong, but as we don't use arg types
1336 * nor class information, this would just do for now
1337 */
1338 symt = codeview_new_func_signature(ctp, existing, type->mfunction_v2.call);
1339 if (details)
1340 {
1341 codeview_add_type(curr_type, symt);
1342 codeview_add_func_signature_args(ctp,
1343 (struct symt_function_signature*)symt,
1344 type->mfunction_v2.rvtype,
1345 type->mfunction_v2.arglist);
1346 }
1347 break;
1348
1349 case LF_VTSHAPE_V1:
1350 /* this is an ugly hack... FIXME when we have C++ support */
1351 if (!(symt = existing))
1352 {
1353 char buf[128];
1354 snprintf(buf, sizeof(buf), "__internal_vt_shape_%x\n", curr_type);
1355 symt = &symt_new_udt(ctp->module, buf, 0, UdtStruct)->symt;
1356 }
1357 break;
1358 default:
1359 FIXME("Unsupported type-id leaf %x\n", type->generic.id);
1360 dump(type, 2 + type->generic.len);
1361 return NULL;
1362 }
1363 return codeview_add_type(curr_type, symt) ? symt : NULL;
1364 }
1365
1366 static BOOL codeview_parse_type_table(struct codeview_type_parse* ctp)
1367 {
1368 unsigned int curr_type = FIRST_DEFINABLE_TYPE;
1369 const union codeview_type* type;
1370
1371 for (curr_type = FIRST_DEFINABLE_TYPE; curr_type < FIRST_DEFINABLE_TYPE + ctp->num; curr_type++)
1372 {
1373 type = codeview_jump_to_type(ctp, curr_type);
1374
1375 /* type records we're interested in are the ones referenced by symbols
1376 * The known ranges are (X mark the ones we want):
1377 * X 0000-0016 for V1 types
1378 * 0200-020c for V1 types referenced by other types
1379 * 0400-040f for V1 types (complex lists & sets)
1380 * X 1000-100f for V2 types
1381 * 1200-120c for V2 types referenced by other types
1382 * 1400-140f for V1 types (complex lists & sets)
1383 * X 1500-150d for V3 types
1384 * 8000-8010 for numeric leafes
1385 */
1386 if (!(type->generic.id & 0x8600) || (type->generic.id & 0x0100))
1387 codeview_parse_one_type(ctp, curr_type, type, TRUE);
1388 }
1389
1390 return TRUE;
1391 }
1392
1393 /*========================================================================
1394 * Process CodeView line number information.
1395 */
1396 static unsigned long codeview_get_address(const struct msc_debug_info* msc_dbg,
1397 unsigned seg, unsigned offset);
1398
1399 static void codeview_snarf_linetab(const struct msc_debug_info* msc_dbg, const BYTE* linetab,
1400 int size, BOOL pascal_str)
1401 {
1402 const BYTE* ptr = linetab;
1403 int nfile, nseg;
1404 int i, j;
1405 unsigned int k;
1406 const unsigned int* filetab;
1407 const unsigned int* lt_ptr;
1408 const unsigned short* linenos;
1409 const struct startend* start;
1410 unsigned source;
1411 unsigned long addr, func_addr0;
1412 struct symt_function* func;
1413 const struct codeview_linetab_block* ltb;
1414
1415 nfile = *(const short*)linetab;
1416 filetab = (const unsigned int*)(linetab + 2 * sizeof(short));
1417
1418 for (i = 0; i < nfile; i++)
1419 {
1420 ptr = linetab + filetab[i];
1421 nseg = *(const short*)ptr;
1422 lt_ptr = (const unsigned int*)(ptr + 2 * sizeof(short));
1423 start = (const struct startend*)(lt_ptr + nseg);
1424
1425 /*
1426 * Now snarf the filename for all of the segments for this file.
1427 */
1428 if (pascal_str)
1429 source = source_new(msc_dbg->module, NULL, terminate_string((const struct p_string*)(start + nseg)));
1430 else
1431 source = source_new(msc_dbg->module, NULL, (const char*)(start + nseg));
1432
1433 for (j = 0; j < nseg; j++)
1434 {
1435 ltb = (const struct codeview_linetab_block*)(linetab + *lt_ptr++);
1436 linenos = (const unsigned short*)&ltb->offsets[ltb->num_lines];
1437 func_addr0 = codeview_get_address(msc_dbg, ltb->seg, start[j].start);
1438 if (!func_addr0) continue;
1439 for (func = NULL, k = 0; k < ltb->num_lines; k++)
1440 {
1441 /* now locate function (if any) */
1442 addr = func_addr0 + ltb->offsets[k] - start[j].start;
1443 /* unfortunately, we can have several functions in the same block, if there's no
1444 * gap between them... find the new function if needed
1445 */
1446 if (!func || addr >= func->address + func->size)
1447 {
1448 func = (struct symt_function*)symt_find_nearest(msc_dbg->module, addr);
1449 /* FIXME: at least labels support line numbers */
1450 if (!func || func->symt.tag != SymTagFunction)
1451 {
1452 WARN("--not a func at %04x:%08x %lx tag=%d\n",
1453 ltb->seg, ltb->offsets[k], addr, func ? func->symt.tag : -1);
1454 func = NULL;
1455 break;
1456 }
1457 }
1458 symt_add_func_line(msc_dbg->module, func, source,
1459 linenos[k], addr - func->address);
1460 }
1461 }
1462 }
1463 }
1464
1465 static void codeview_snarf_linetab2(const struct msc_debug_info* msc_dbg, const BYTE* linetab, DWORD size,
1466 const char* strimage, DWORD strsize)
1467 {
1468 unsigned i;
1469 DWORD_PTR addr;
1470 const struct codeview_linetab2* lt2;
1471 const struct codeview_linetab2* lt2_files = NULL;
1472 const struct codeview_lt2blk_lines* lines_blk;
1473 const struct codeview_linetab2_file*fd;
1474 unsigned source;
1475 struct symt_function* func;
1476
1477 /* locate LT2_FILES_BLOCK (if any) */
1478 lt2 = (const struct codeview_linetab2*)linetab;
1479 while ((const BYTE*)(lt2 + 1) < linetab + size)
1480 {
1481 if (lt2->header == LT2_FILES_BLOCK)
1482 {
1483 lt2_files = lt2;
1484 break;
1485 }
1486 lt2 = codeview_linetab2_next_block(lt2);
1487 }
1488 if (!lt2_files)
1489 {
1490 TRACE("No LT2_FILES_BLOCK found\n");
1491 return;
1492 }
1493
1494 lt2 = (const struct codeview_linetab2*)linetab;
1495 while ((const BYTE*)(lt2 + 1) < linetab + size)
1496 {
1497 /* FIXME: should also check that whole lines_blk fits in linetab + size */
1498 switch (lt2->header)
1499 {
1500 case LT2_LINES_BLOCK:
1501 /* Skip blocks that are too small - Intel C Compiler generates these. */
1502 if (lt2->size_of_block < sizeof (struct codeview_lt2blk_lines)) break;
1503 lines_blk = (const struct codeview_lt2blk_lines*)lt2;
1504 /* FIXME: should check that file_offset is within the LT2_FILES_BLOCK we've seen */
1505 addr = codeview_get_address(msc_dbg, lines_blk->seg, lines_blk->start);
1506 TRACE("block from %04x:%08x #%x (%x lines)\n",
1507 lines_blk->seg, lines_blk->start, lines_blk->size, lines_blk->nlines);
1508 fd = (const struct codeview_linetab2_file*)((const char*)lt2_files + 8 + lines_blk->file_offset);
1509 /* FIXME: should check that string is within strimage + strsize */
1510 source = source_new(msc_dbg->module, NULL, strimage + fd->offset);
1511 func = (struct symt_function*)symt_find_nearest(msc_dbg->module, addr);
1512 /* FIXME: at least labels support line numbers */
1513 if (!func || func->symt.tag != SymTagFunction)
1514 {
1515 WARN("--not a func at %04x:%08x %lx tag=%d\n",
1516 lines_blk->seg, lines_blk->start, addr, func ? func->symt.tag : -1);
1517 break;
1518 }
1519 for (i = 0; i < lines_blk->nlines; i++)
1520 {
1521 symt_add_func_line(msc_dbg->module, func, source,
1522 lines_blk->l[i].lineno ^ 0x80000000,
1523 lines_blk->l[i].offset);
1524 }
1525 break;
1526 case LT2_FILES_BLOCK: /* skip */
1527 break;
1528 default:
1529 TRACE("Block end %x\n", lt2->header);
1530 lt2 = (const struct codeview_linetab2*)((const char*)linetab + size);
1531 continue;
1532 }
1533 lt2 = codeview_linetab2_next_block(lt2);
1534 }
1535 }
1536
1537 /*========================================================================
1538 * Process CodeView symbol information.
1539 */
1540
1541 static unsigned int codeview_map_offset(const struct msc_debug_info* msc_dbg,
1542 unsigned int offset)
1543 {
1544 int nomap = msc_dbg->nomap;
1545 const OMAP_DATA* omapp = msc_dbg->omapp;
1546 int i;
1547
1548 if (!nomap || !omapp) return offset;
1549
1550 /* FIXME: use binary search */
1551 for (i = 0; i < nomap - 1; i++)
1552 if (omapp[i].from <= offset && omapp[i+1].from > offset)
1553 return !omapp[i].to ? 0 : omapp[i].to + (offset - omapp[i].from);
1554
1555 return 0;
1556 }
1557
1558 static unsigned long codeview_get_address(const struct msc_debug_info* msc_dbg,
1559 unsigned seg, unsigned offset)
1560 {
1561 int nsect = msc_dbg->nsect;
1562 const IMAGE_SECTION_HEADER* sectp = msc_dbg->sectp;
1563
1564 if (!seg || seg > nsect) return 0;
1565 return msc_dbg->module->module.BaseOfImage +
1566 codeview_map_offset(msc_dbg, sectp[seg-1].VirtualAddress + offset);
1567 }
1568
1569 static inline void codeview_add_variable(const struct msc_debug_info* msc_dbg,
1570 struct symt_compiland* compiland,
1571 const char* name,
1572 unsigned segment, unsigned offset,
1573 unsigned symtype, BOOL is_local, BOOL in_tls, BOOL force)
1574 {
1575 if (name && *name)
1576 {
1577 struct location loc;
1578
1579 loc.kind = in_tls ? loc_tlsrel : loc_absolute;
1580 loc.reg = 0;
1581 loc.offset = in_tls ? offset : codeview_get_address(msc_dbg, segment, offset);
1582 if (force || in_tls || !symt_find_nearest(msc_dbg->module, loc.offset))
1583 {
1584 symt_new_global_variable(msc_dbg->module, compiland,
1585 name, is_local, loc, 0,
1586 codeview_get_type(symtype, FALSE));
1587 }
1588 }
1589 }
1590
1591 static BOOL codeview_snarf(const struct msc_debug_info* msc_dbg, const BYTE* root,
1592 int offset, int size, BOOL do_globals)
1593 {
1594 struct symt_function* curr_func = NULL;
1595 int i, length;
1596 struct symt_block* block = NULL;
1597 struct symt* symt;
1598 struct symt_compiland* compiland = NULL;
1599 struct location loc;
1600
1601 /*
1602 * Loop over the different types of records and whenever we
1603 * find something we are interested in, record it and move on.
1604 */
1605 for (i = offset; i < size; i += length)
1606 {
1607 const union codeview_symbol* sym = (const union codeview_symbol*)(root + i);
1608 length = sym->generic.len + 2;
1609 if (i + length > size) break;
1610 if (!sym->generic.id || length < 4) break;
1611 if (length & 3) FIXME("unpadded len %u\n", length);
1612
1613 switch (sym->generic.id)
1614 {
1615 /*
1616 * Global and local data symbols. We don't associate these
1617 * with any given source file.
1618 */
1619 case S_GDATA_V1:
1620 case S_LDATA_V1:
1621 if (do_globals)
1622 codeview_add_variable(msc_dbg, compiland, terminate_string(&sym->data_v1.p_name),
1623 sym->data_v1.segment, sym->data_v1.offset, sym->data_v1.symtype,
1624 sym->generic.id == S_LDATA_V1, FALSE, TRUE);
1625 break;
1626 case S_GDATA_V2:
1627 case S_LDATA_V2:
1628 if (do_globals)
1629 codeview_add_variable(msc_dbg, compiland, terminate_string(&sym->data_v2.p_name),
1630 sym->data_v2.segment, sym->data_v2.offset, sym->data_v2.symtype,
1631 sym->generic.id == S_LDATA_V2, FALSE, TRUE);
1632 break;
1633 case S_GDATA_V3:
1634 case S_LDATA_V3:
1635 if (do_globals)
1636 codeview_add_variable(msc_dbg, compiland, sym->data_v3.name,
1637 sym->data_v3.segment, sym->data_v3.offset, sym->data_v3.symtype,
1638 sym->generic.id == S_LDATA_V3, FALSE, TRUE);
1639 break;
1640
1641 /* variables with thread storage */
1642 case S_GTHREAD_V1:
1643 case S_LTHREAD_V1:
1644 if (do_globals)
1645 codeview_add_variable(msc_dbg, compiland, terminate_string(&sym->thread_v1.p_name),
1646 sym->thread_v1.segment, sym->thread_v1.offset, sym->thread_v1.symtype,
1647 sym->generic.id == S_LTHREAD_V1, TRUE, TRUE);
1648 break;
1649 case S_GTHREAD_V2:
1650 case S_LTHREAD_V2:
1651 if (do_globals)
1652 codeview_add_variable(msc_dbg, compiland, terminate_string(&sym->thread_v2.p_name),
1653 sym->thread_v2.segment, sym->thread_v2.offset, sym->thread_v2.symtype,
1654 sym->generic.id == S_LTHREAD_V2, TRUE, TRUE);
1655 break;
1656 case S_GTHREAD_V3:
1657 case S_LTHREAD_V3:
1658 if (do_globals)
1659 codeview_add_variable(msc_dbg, compiland, sym->thread_v3.name,
1660 sym->thread_v3.segment, sym->thread_v3.offset, sym->thread_v3.symtype,
1661 sym->generic.id == S_LTHREAD_V3, TRUE, TRUE);
1662 break;
1663
1664 /* Public symbols */
1665 case S_PUB_V1:
1666 case S_PUB_V2:
1667 case S_PUB_V3:
1668 case S_PUB_FUNC1_V3:
1669 case S_PUB_FUNC2_V3:
1670 /* will be handled later on in codeview_snarf_public */
1671 break;
1672
1673 /*
1674 * Sort of like a global function, but it just points
1675 * to a thunk, which is a stupid name for what amounts to
1676 * a PLT slot in the normal jargon that everyone else uses.
1677 */
1678 case S_THUNK_V1:
1679 symt_new_thunk(msc_dbg->module, compiland,
1680 terminate_string(&sym->thunk_v1.p_name), sym->thunk_v1.thtype,
1681 codeview_get_address(msc_dbg, sym->thunk_v1.segment, sym->thunk_v1.offset),
1682 sym->thunk_v1.thunk_len);
1683 break;
1684 case S_THUNK_V3:
1685 symt_new_thunk(msc_dbg->module, compiland,
1686 sym->thunk_v3.name, sym->thunk_v3.thtype,
1687 codeview_get_address(msc_dbg, sym->thunk_v3.segment, sym->thunk_v3.offset),
1688 sym->thunk_v3.thunk_len);
1689 break;
1690
1691 /*
1692 * Global and static functions.
1693 */
1694 case S_GPROC_V1:
1695 case S_LPROC_V1:
1696 if (curr_func) FIXME("nested function\n");
1697 curr_func = symt_new_function(msc_dbg->module, compiland,
1698 terminate_string(&sym->proc_v1.p_name),
1699 codeview_get_address(msc_dbg, sym->proc_v1.segment, sym->proc_v1.offset),
1700 sym->proc_v1.proc_len,
1701 codeview_get_type(sym->proc_v1.proctype, FALSE));
1702 loc.kind = loc_absolute;
1703 loc.offset = sym->proc_v1.debug_start;
1704 symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugStart, &loc, NULL);
1705 loc.offset = sym->proc_v1.debug_end;
1706 symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugEnd, &loc, NULL);
1707 break;
1708 case S_GPROC_V2:
1709 case S_LPROC_V2:
1710 if (curr_func) FIXME("nested function\n");
1711 curr_func = symt_new_function(msc_dbg->module, compiland,
1712 terminate_string(&sym->proc_v2.p_name),
1713 codeview_get_address(msc_dbg, sym->proc_v2.segment, sym->proc_v2.offset),
1714 sym->proc_v2.proc_len,
1715 codeview_get_type(sym->proc_v2.proctype, FALSE));
1716 loc.kind = loc_absolute;
1717 loc.offset = sym->proc_v2.debug_start;
1718 symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugStart, &loc, NULL);
1719 loc.offset = sym->proc_v2.debug_end;
1720 symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugEnd, &loc, NULL);
1721 break;
1722 case S_GPROC_V3:
1723 case S_LPROC_V3:
1724 if (curr_func) FIXME("nested function\n");
1725 curr_func = symt_new_function(msc_dbg->module, compiland,
1726 sym->proc_v3.name,
1727 codeview_get_address(msc_dbg, sym->proc_v3.segment, sym->proc_v3.offset),
1728 sym->proc_v3.proc_len,
1729 codeview_get_type(sym->proc_v3.proctype, FALSE));
1730 loc.kind = loc_absolute;
1731 loc.offset = sym->proc_v3.debug_start;
1732 symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugStart, &loc, NULL);
1733 loc.offset = sym->proc_v3.debug_end;
1734 symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugEnd, &loc, NULL);
1735 break;
1736 /*
1737 * Function parameters and stack variables.
1738 */
1739 case S_BPREL_V1:
1740 loc.kind = loc_regrel;
1741 /* Yes, it's i386 dependent, but that's the symbol purpose. S_REGREL is used on other CPUs */
1742 loc.reg = CV_REG_EBP;
1743 loc.offset = sym->stack_v1.offset;
1744 symt_add_func_local(msc_dbg->module, curr_func,
1745 sym->stack_v1.offset > 0 ? DataIsParam : DataIsLocal,
1746 &loc, block,
1747 codeview_get_type(sym->stack_v1.symtype, FALSE),
1748 terminate_string(&sym->stack_v1.p_name));
1749 break;
1750 case S_BPREL_V2:
1751 loc.kind = loc_regrel;
1752 /* Yes, it's i386 dependent, but that's the symbol purpose. S_REGREL is used on other CPUs */
1753 loc.reg = CV_REG_EBP;
1754 loc.offset = sym->stack_v2.offset;
1755 symt_add_func_local(msc_dbg->module, curr_func,
1756 sym->stack_v2.offset > 0 ? DataIsParam : DataIsLocal,
1757 &loc, block,
1758 codeview_get_type(sym->stack_v2.symtype, FALSE),
1759 terminate_string(&sym->stack_v2.p_name));
1760 break;
1761 case S_BPREL_V3:
1762 loc.kind = loc_regrel;
1763 /* Yes, it's i386 dependent, but that's the symbol purpose. S_REGREL is used on other CPUs */
1764 loc.reg = CV_REG_EBP;
1765 loc.offset = sym->stack_v3.offset;
1766 symt_add_func_local(msc_dbg->module, curr_func,
1767 sym->stack_v3.offset > 0 ? DataIsParam : DataIsLocal,
1768 &loc, block,
1769 codeview_get_type(sym->stack_v3.symtype, FALSE),
1770 sym->stack_v3.name);
1771 break;
1772 case S_REGREL_V3:
1773 loc.kind = loc_regrel;
1774 loc.reg = sym->regrel_v3.reg;
1775 loc.offset = sym->regrel_v3.offset;
1776 symt_add_func_local(msc_dbg->module, curr_func,
1777 /* FIXME this is wrong !!! */
1778 sym->regrel_v3.offset > 0 ? DataIsParam : DataIsLocal,
1779 &loc, block,
1780 codeview_get_type(sym->regrel_v3.symtype, FALSE),
1781 sym->regrel_v3.name);
1782 break;
1783
1784 case S_REGISTER_V1:
1785 loc.kind = loc_register;
1786 loc.reg = sym->register_v1.reg;
1787 loc.offset = 0;
1788 symt_add_func_local(msc_dbg->module, curr_func,
1789 DataIsLocal, &loc,
1790 block, codeview_get_type(sym->register_v1.type, FALSE),
1791 terminate_string(&sym->register_v1.p_name));
1792 break;
1793 case S_REGISTER_V2:
1794 loc.kind = loc_register;
1795 loc.reg = sym->register_v2.reg;
1796 loc.offset = 0;
1797 symt_add_func_local(msc_dbg->module, curr_func,
1798 DataIsLocal, &loc,
1799 block, codeview_get_type(sym->register_v2.type, FALSE),
1800 terminate_string(&sym->register_v2.p_name));
1801 break;
1802 case S_REGISTER_V3:
1803 loc.kind = loc_register;
1804 loc.reg = sym->register_v3.reg;
1805 loc.offset = 0;
1806 symt_add_func_local(msc_dbg->module, curr_func,
1807 DataIsLocal, &loc,
1808 block, codeview_get_type(sym->register_v3.type, FALSE),
1809 sym->register_v3.name);
1810 break;
1811
1812 case S_BLOCK_V1:
1813 block = symt_open_func_block(msc_dbg->module, curr_func, block,
1814 codeview_get_address(msc_dbg, sym->block_v1.segment, sym->block_v1.offset),
1815 sym->block_v1.length);
1816 break;
1817 case S_BLOCK_V3:
1818 block = symt_open_func_block(msc_dbg->module, curr_func, block,
1819 codeview_get_address(msc_dbg, sym->block_v3.segment, sym->block_v3.offset),
1820 sym->block_v3.length);
1821 break;
1822
1823 case S_END_V1:
1824 if (block)
1825 {
1826 block = symt_close_func_block(msc_dbg->module, curr_func, block, 0);
1827 }
1828 else if (curr_func)
1829 {
1830 symt_normalize_function(msc_dbg->module, curr_func);
1831 curr_func = NULL;
1832 }
1833 break;
1834
1835 case S_COMPILAND_V1:
1836 TRACE("S-Compiland-V1 %x %s\n",
1837 sym->compiland_v1.unknown, terminate_string(&sym->compiland_v1.p_name));
1838 break;
1839
1840 case S_COMPILAND_V2:
1841 TRACE("S-Compiland-V2 %s\n", terminate_string(&sym->compiland_v2.p_name));
1842 if (TRACE_ON(dbghelp_msc))
1843 {
1844 const char* ptr1 = sym->compiland_v2.p_name.name + sym->compiland_v2.p_name.namelen;
1845 const char* ptr2;
1846 while (*ptr1)
1847 {
1848 ptr2 = ptr1 + strlen(ptr1) + 1;
1849 TRACE("\t%s => %s\n", ptr1, debugstr_a(ptr2));
1850 ptr1 = ptr2 + strlen(ptr2) + 1;
1851 }
1852 }
1853 break;
1854 case S_COMPILAND_V3:
1855 TRACE("S-Compiland-V3 %s\n", sym->compiland_v3.name);
1856 if (TRACE_ON(dbghelp_msc))
1857 {
1858 const char* ptr1 = sym->compiland_v3.name + strlen(sym->compiland_v3.name);
1859 const char* ptr2;
1860 while (*ptr1)
1861 {
1862 ptr2 = ptr1 + strlen(ptr1) + 1;
1863 TRACE("\t%s => %s\n", ptr1, debugstr_a(ptr2));
1864 ptr1 = ptr2 + strlen(ptr2) + 1;
1865 }
1866 }
1867 break;
1868
1869 case S_OBJNAME_V1:
1870 TRACE("S-ObjName %s\n", terminate_string(&sym->objname_v1.p_name));
1871 compiland = symt_new_compiland(msc_dbg->module, 0 /* FIXME */,
1872 source_new(msc_dbg->module, NULL,
1873 terminate_string(&sym->objname_v1.p_name)));
1874 break;
1875
1876 case S_LABEL_V1:
1877 if (curr_func)
1878 {
1879 loc.kind = loc_absolute;
1880 loc.offset = codeview_get_address(msc_dbg, sym->label_v1.segment, sym->label_v1.offset) - curr_func->address;
1881 symt_add_function_point(msc_dbg->module, curr_func, SymTagLabel, &loc,
1882 terminate_string(&sym->label_v1.p_name));
1883 }
1884 else symt_new_label(msc_dbg->module, compiland,
1885 terminate_string(&sym->label_v1.p_name),
1886 codeview_get_address(msc_dbg, sym->label_v1.segment, sym->label_v1.offset));
1887 break;
1888 case S_LABEL_V3:
1889 if (curr_func)
1890 {
1891 loc.kind = loc_absolute;
1892 loc.offset = codeview_get_address(msc_dbg, sym->label_v3.segment, sym->label_v3.offset) - curr_func->address;
1893 symt_add_function_point(msc_dbg->module, curr_func, SymTagLabel,
1894 &loc, sym->label_v3.name);
1895 }
1896 else symt_new_label(msc_dbg->module, compiland, sym->label_v3.name,
1897 codeview_get_address(msc_dbg, sym->label_v3.segment, sym->label_v3.offset));
1898 break;
1899
1900 case S_CONSTANT_V1:
1901 {
1902 int vlen;
1903 const struct p_string* name;
1904 struct symt* se;
1905 VARIANT v;
1906
1907 vlen = leaf_as_variant(&v, &sym->constant_v1.cvalue);
1908 name = (const struct p_string*)((const char*)&sym->constant_v1.cvalue + vlen);
1909 se = codeview_get_type(sym->constant_v1.type, FALSE);
1910
1911 TRACE("S-Constant-V1 %u %s %x\n",
1912 v.n1.n2.n3.intVal, terminate_string(name), sym->constant_v1.type);
1913 symt_new_constant(msc_dbg->module, compiland, terminate_string(name),
1914 se, &v);
1915 }
1916 break;
1917 case S_CONSTANT_V2:
1918 {
1919 int vlen;
1920 const struct p_string* name;
1921 struct symt* se;
1922 VARIANT v;
1923
1924 vlen = leaf_as_variant(&v, &sym->constant_v2.cvalue);
1925 name = (const struct p_string*)((const char*)&sym->constant_v2.cvalue + vlen);
1926 se = codeview_get_type(sym->constant_v2.type, FALSE);
1927
1928 TRACE("S-Constant-V2 %u %s %x\n",
1929 v.n1.n2.n3.intVal, terminate_string(name), sym->constant_v2.type);
1930 symt_new_constant(msc_dbg->module, compiland, terminate_string(name),
1931 se, &v);
1932 }
1933 break;
1934 case S_CONSTANT_V3:
1935 {
1936 int vlen;
1937 const char* name;
1938 struct symt* se;
1939 VARIANT v;
1940
1941 vlen = leaf_as_variant(&v, &sym->constant_v3.cvalue);
1942 name = (const char*)&sym->constant_v3.cvalue + vlen;
1943 se = codeview_get_type(sym->constant_v3.type, FALSE);
1944
1945 TRACE("S-Constant-V3 %u %s %x\n",
1946 v.n1.n2.n3.intVal, name, sym->constant_v3.type);
1947 /* FIXME: we should add this as a constant value */
1948 symt_new_constant(msc_dbg->module, compiland, name, se, &v);
1949 }
1950 break;
1951
1952 case S_UDT_V1:
1953 if (sym->udt_v1.type)
1954 {
1955 if ((symt = codeview_get_type(sym->udt_v1.type, FALSE)))
1956 symt_new_typedef(msc_dbg->module, symt,
1957 terminate_string(&sym->udt_v1.p_name));
1958 else
1959 FIXME("S-Udt %s: couldn't find type 0x%x\n",
1960 terminate_string(&sym->udt_v1.p_name), sym->udt_v1.type);
1961 }
1962 break;
1963 case S_UDT_V2:
1964 if (sym->udt_v2.type)
1965 {
1966 if ((symt = codeview_get_type(sym->udt_v2.type, FALSE)))
1967 symt_new_typedef(msc_dbg->module, symt,
1968 terminate_string(&sym->udt_v2.p_name));
1969 else
1970 FIXME("S-Udt %s: couldn't find type 0x%x\n",
1971 terminate_string(&sym->udt_v2.p_name), sym->udt_v2.type);
1972 }
1973 break;
1974 case S_UDT_V3:
1975 if (sym->udt_v3.type)
1976 {
1977 if ((symt = codeview_get_type(sym->udt_v3.type, FALSE)))
1978 symt_new_typedef(msc_dbg->module, symt, sym->udt_v3.name);
1979 else
1980 FIXME("S-Udt %s: couldn't find type 0x%x\n",
1981 sym->udt_v3.name, sym->udt_v3.type);
1982 }
1983 break;
1984
1985 /*
1986 * These are special, in that they are always followed by an
1987 * additional length-prefixed string which is *not* included
1988 * into the symbol length count. We need to skip it.
1989 */
1990 case S_PROCREF_V1:
1991 case S_DATAREF_V1:
1992 case S_LPROCREF_V1:
1993 {
1994 const char* name;
1995
1996 name = (const char*)sym + length;
1997 length += (*name + 1 + 3) & ~3;
1998 break;
1999 }
2000
2001 case S_MSTOOL_V3: /* just to silence a few warnings */
2002 case S_MSTOOLINFO_V3:
2003 case S_MSTOOLENV_V3:
2004 break;
2005
2006 case S_SSEARCH_V1:
2007 TRACE("Start search: seg=0x%x at offset 0x%08x\n",
2008 sym->ssearch_v1.segment, sym->ssearch_v1.offset);
2009 break;
2010
2011 case S_ALIGN_V1:
2012 TRACE("S-Align V1\n");
2013 break;
2014
2015 /* the symbols we can safely ignore for now */
2016 case S_TRAMPOLINE:
2017 case S_FRAMEINFO_V2:
2018 case S_SECUCOOKIE_V3:
2019 case S_SECTINFO_V3:
2020 case S_SUBSECTINFO_V3:
2021 case S_ENTRYPOINT_V3:
2022 case S_LOCAL_VS2013:
2023 case S_CALLSITEINFO:
2024 case S_DEFRANGE_REGISTER:
2025 case S_DEFRANGE_FRAMEPOINTER_REL:
2026 case S_DEFRANGE_SUBFIELD_REGISTER:
2027 case S_FPOFF_VS2013:
2028 case S_DEFRANGE_REGISTER_REL:
2029 case S_BUILDINFO:
2030 case S_INLINESITE:
2031 case S_INLINESITE_END:
2032 case S_FILESTATIC:
2033 case S_CALLEES:
2034 TRACE("Unsupported symbol id %x\n", sym->generic.id);
2035 break;
2036
2037 default:
2038 FIXME("Unsupported symbol id %x\n", sym->generic.id);
2039 dump(sym, 2 + sym->generic.len);
2040 break;
2041 }
2042 }
2043
2044 if (curr_func) symt_normalize_function(msc_dbg->module, curr_func);
2045
2046 return TRUE;
2047 }
2048
2049 static BOOL codeview_snarf_public(const struct msc_debug_info* msc_dbg, const BYTE* root,
2050 int offset, int size)
2051
2052 {
2053 int i, length;
2054 struct symt_compiland* compiland = NULL;
2055
2056 /*
2057 * Loop over the different types of records and whenever we
2058 * find something we are interested in, record it and move on.
2059 */
2060 for (i = offset; i < size; i += length)
2061 {
2062 const union codeview_symbol* sym = (const union codeview_symbol*)(root + i);
2063 length = sym->generic.len + 2;
2064 if (i + length > size) break;
2065 if (!sym->generic.id || length < 4) break;
2066 if (length & 3) FIXME("unpadded len %u\n", length);
2067
2068 switch (sym->generic.id)
2069 {
2070 case S_PUB_V1: /* FIXME is this really a 'data_v1' structure ?? */
2071 if (!(dbghelp_options & SYMOPT_NO_PUBLICS))
2072 {
2073 symt_new_public(msc_dbg->module, compiland,
2074 terminate_string(&sym->data_v1.p_name),
2075 codeview_get_address(msc_dbg, sym->data_v1.segment, sym->data_v1.offset), 1);
2076 }
2077 break;
2078 case S_PUB_V2: /* FIXME is this really a 'data_v2' structure ?? */
2079 if (!(dbghelp_options & SYMOPT_NO_PUBLICS))
2080 {
2081 symt_new_public(msc_dbg->module, compiland,
2082 terminate_string(&sym->data_v2.p_name),
2083 codeview_get_address(msc_dbg, sym->data_v2.segment, sym->data_v2.offset), 1);
2084 }
2085 break;
2086
2087 case S_PUB_V3:
2088 if (!(dbghelp_options & SYMOPT_NO_PUBLICS))
2089 {
2090 symt_new_public(msc_dbg->module, compiland,
2091 sym->data_v3.name,
2092 codeview_get_address(msc_dbg, sym->data_v3.segment, sym->data_v3.offset), 1);
2093 }
2094 break;
2095 case S_PUB_FUNC1_V3:
2096 case S_PUB_FUNC2_V3: /* using a data_v3 isn't what we'd expect */
2097 #if 0
2098 /* FIXME: this is plain wrong (from a simple test) */
2099 if (!(dbghelp_options & SYMOPT_NO_PUBLICS))
2100 {
2101 symt_new_public(msc_dbg->module, compiland,
2102 sym->data_v3.name,
2103 codeview_get_address(msc_dbg, sym->data_v3.segment, sym->data_v3.offset), 1);
2104 }
2105 #endif
2106 break;
2107 /*
2108 * Global and local data symbols. We don't associate these
2109 * with any given source file.
2110 */
2111 case S_GDATA_V1:
2112 case S_LDATA_V1:
2113 codeview_add_variable(msc_dbg, compiland, terminate_string(&sym->data_v1.p_name),
2114 sym->data_v1.segment, sym->data_v1.offset, sym->data_v1.symtype,
2115 sym->generic.id == S_LDATA_V1, FALSE, FALSE);
2116 break;
2117 case S_GDATA_V2:
2118 case S_LDATA_V2:
2119 codeview_add_variable(msc_dbg, compiland, terminate_string(&sym->data_v2.p_name),
2120 sym->data_v2.segment, sym->data_v2.offset, sym->data_v2.symtype,
2121 sym->generic.id == S_LDATA_V2, FALSE, FALSE);
2122 break;
2123 case S_GDATA_V3:
2124 case S_LDATA_V3:
2125 codeview_add_variable(msc_dbg, compiland, sym->data_v3.name,
2126 sym->data_v3.segment, sym->data_v3.offset, sym->data_v3.symtype,
2127 sym->generic.id == S_LDATA_V3, FALSE, FALSE);
2128 break;
2129
2130 /* variables with thread storage */
2131 case S_GTHREAD_V1:
2132 case S_LTHREAD_V1:
2133 codeview_add_variable(msc_dbg, compiland, terminate_string(&sym->thread_v1.p_name),
2134 sym->thread_v1.segment, sym->thread_v1.offset, sym->thread_v1.symtype,
2135 sym->generic.id == S_LTHREAD_V1, TRUE, FALSE);
2136 break;
2137 case S_GTHREAD_V2:
2138 case S_LTHREAD_V2:
2139 codeview_add_variable(msc_dbg, compiland, terminate_string(&sym->thread_v2.p_name),
2140 sym->thread_v2.segment, sym->thread_v2.offset, sym->thread_v2.symtype,
2141 sym->generic.id == S_LTHREAD_V2, TRUE, FALSE);
2142 break;
2143 case S_GTHREAD_V3:
2144 case S_LTHREAD_V3:
2145 codeview_add_variable(msc_dbg, compiland, sym->thread_v3.name,
2146 sym->thread_v3.segment, sym->thread_v3.offset, sym->thread_v3.symtype,
2147 sym->generic.id == S_LTHREAD_V3, TRUE, FALSE);
2148 break;
2149
2150 /*
2151 * These are special, in that they are always followed by an
2152 * additional length-prefixed string which is *not* included
2153 * into the symbol length count. We need to skip it.
2154 */
2155 case S_PROCREF_V1:
2156 case S_DATAREF_V1:
2157 case S_LPROCREF_V1:
2158 length += (((const char*)sym)[length] + 1 + 3) & ~3;
2159 break;
2160 }
2161 msc_dbg->module->sortlist_valid = TRUE;
2162 }
2163 msc_dbg->module->sortlist_valid = FALSE;
2164 return TRUE;
2165 }
2166
2167 /*========================================================================
2168 * Process PDB file.
2169 */
2170
2171 static void* pdb_jg_read(const struct PDB_JG_HEADER* pdb, const WORD* block_list,
2172 int size)
2173 {
2174 int i, num_blocks;
2175 BYTE* buffer;
2176
2177 if (!size) return NULL;
2178
2179 num_blocks = (size + pdb->block_size - 1) / pdb->block_size;
2180 buffer = HeapAlloc(GetProcessHeap(), 0, num_blocks * pdb->block_size);
2181
2182 for (i = 0; i < num_blocks; i++)
2183 memcpy(buffer + i * pdb->block_size,
2184 (const char*)pdb + block_list[i] * pdb->block_size, pdb->block_size);
2185
2186 return buffer;
2187 }
2188
2189 static void* pdb_ds_read(const struct PDB_DS_HEADER* pdb, const DWORD* block_list,
2190 int size)
2191 {
2192 int i, num_blocks;
2193 BYTE* buffer;
2194
2195 if (!size) return NULL;
2196
2197 num_blocks = (size + pdb->block_size - 1) / pdb->block_size;
2198 buffer = HeapAlloc(GetProcessHeap(), 0, num_blocks * pdb->block_size);
2199
2200 for (i = 0; i < num_blocks; i++)
2201 memcpy(buffer + i * pdb->block_size,
2202 (const char*)pdb + block_list[i] * pdb->block_size, pdb->block_size);
2203
2204 return buffer;
2205 }
2206
2207 static void* pdb_read_jg_file(const struct PDB_JG_HEADER* pdb,
2208 const struct PDB_JG_TOC* toc, DWORD file_nr)
2209 {
2210 const WORD* block_list;
2211 DWORD i;
2212
2213 if (!toc || file_nr >= toc->num_files) return NULL;
2214
2215 block_list = (const WORD*) &toc->file[toc->num_files];
2216 for (i = 0; i < file_nr; i++)
2217 block_list += (toc->file[i].size + pdb->block_size - 1) / pdb->block_size;
2218
2219 return pdb_jg_read(pdb, block_list, toc->file[file_nr].size);
2220 }
2221
2222 static void* pdb_read_ds_file(const struct PDB_DS_HEADER* pdb,
2223 const struct PDB_DS_TOC* toc, DWORD file_nr)
2224 {
2225 const DWORD* block_list;
2226 DWORD i;
2227
2228 if (!toc || file_nr >= toc->num_files) return NULL;
2229 if (toc->file_size[file_nr] == 0 || toc->file_size[file_nr] == 0xFFFFFFFF) return NULL;
2230
2231 block_list = &toc->file_size[toc->num_files];
2232 for (i = 0; i < file_nr; i++)
2233 block_list += (toc->file_size[i] + pdb->block_size - 1) / pdb->block_size;
2234
2235 return pdb_ds_read(pdb, block_list, toc->file_size[file_nr]);
2236 }
2237
2238 static void* pdb_read_file(const struct pdb_file_info* pdb_file,
2239 DWORD file_nr)
2240 {
2241 switch (pdb_file->kind)
2242 {
2243 case PDB_JG:
2244 return pdb_read_jg_file((const struct PDB_JG_HEADER*)pdb_file->image,
2245 pdb_file->u.jg.toc, file_nr);
2246 case PDB_DS:
2247 return pdb_read_ds_file((const struct PDB_DS_HEADER*)pdb_file->image,
2248 pdb_file->u.ds.toc, file_nr);
2249 }
2250 return NULL;
2251 }
2252
2253 static unsigned pdb_get_file_size(const struct pdb_file_info* pdb_file, DWORD file_nr)
2254 {
2255 switch (pdb_file->kind)
2256 {
2257 case PDB_JG: return pdb_file->u.jg.toc->file[file_nr].size;
2258 case PDB_DS: return pdb_file->u.ds.toc->file_size[file_nr];
2259 }
2260 return 0;
2261 }
2262
2263 static void pdb_free(void* buffer)
2264 {
2265 HeapFree(GetProcessHeap(), 0, buffer);
2266 }
2267
2268 static void pdb_free_file(struct pdb_file_info* pdb_file)
2269 {
2270 switch (pdb_file->kind)
2271 {
2272 case PDB_JG:
2273 pdb_free(pdb_file->u.jg.toc);
2274 pdb_file->u.jg.toc = NULL;
2275 break;
2276 case PDB_DS:
2277 pdb_free(pdb_file->u.ds.toc);
2278 pdb_file->u.ds.toc = NULL;
2279 break;
2280 }
2281 HeapFree(GetProcessHeap(), 0, pdb_file->stream_dict);
2282 }
2283
2284 static void pdb_load_stream_name_table(struct pdb_file_info* pdb_file, const char* str, unsigned cb)
2285 {
2286 DWORD* pdw;
2287 DWORD* ok_bits;
2288 DWORD count, numok;
2289 unsigned i, j;
2290 char* cpstr;
2291
2292 pdw = (DWORD*)(str + cb);
2293 numok = *pdw++;
2294 count = *pdw++;
2295
2296 pdb_file->stream_dict = HeapAlloc(GetProcessHeap(), 0, (numok + 1) * sizeof(struct pdb_stream_name) + cb);
2297 if (!pdb_file->stream_dict) return;
2298 cpstr = (char*)(pdb_file->stream_dict + numok + 1);
2299 memcpy(cpstr, str, cb);
2300
2301 /* bitfield: first dword is len (in dword), then data */
2302 ok_bits = pdw;
2303 pdw += *ok_bits++ + 1;
2304 if (*pdw++ != 0)
2305 {
2306 FIXME("unexpected value\n");
2307 return;
2308 }
2309
2310 for (i = j = 0; i < count; i++)
2311 {
2312 if (ok_bits[i / 32] & (1 << (i % 32)))
2313 {
2314 if (j >= numok) break;
2315 pdb_file->stream_dict[j].name = &cpstr[*pdw++];
2316 pdb_file->stream_dict[j].index = *pdw++;
2317 j++;
2318 }
2319 }
2320 /* add sentinel */
2321 pdb_file->stream_dict[numok].name = NULL;
2322 pdb_file->fpoext_stream = -1;
2323 }
2324
2325 static unsigned pdb_get_stream_by_name(const struct pdb_file_info* pdb_file, const char* name)
2326 {
2327 struct pdb_stream_name* psn;
2328
2329 for (psn = pdb_file->stream_dict; psn && psn->name; psn++)
2330 {
2331 if (!strcmp(psn->name, name)) return psn->index;
2332 }
2333 return -1;
2334 }
2335
2336 static void* pdb_read_strings(const struct pdb_file_info* pdb_file)
2337 {
2338 unsigned idx;
2339 void *ret;
2340
2341 idx = pdb_get_stream_by_name(pdb_file, "/names");
2342 if (idx != -1)
2343 {
2344 ret = pdb_read_file( pdb_file, idx );
2345 if (ret && *(const DWORD *)ret == 0xeffeeffe) return ret;
2346 pdb_free( ret );
2347 }
2348 WARN("string table not found\n");
2349 return NULL;
2350 }
2351
2352 static void pdb_module_remove(struct process* pcsn, struct module_format* modfmt)
2353 {
2354 unsigned i;
2355
2356 for (i = 0; i < modfmt->u.pdb_info->used_subfiles; i++)
2357 {
2358 pdb_free_file(&modfmt->u.pdb_info->pdb_files[i]);
2359 if (modfmt->u.pdb_info->pdb_files[i].image)
2360 UnmapViewOfFile(modfmt->u.pdb_info->pdb_files[i].image);
2361 if (modfmt->u.pdb_info->pdb_files[i].hMap)
2362 CloseHandle(modfmt->u.pdb_info->pdb_files[i].hMap);
2363 }
2364 HeapFree(GetProcessHeap(), 0, modfmt);
2365 }
2366
2367 static void pdb_convert_types_header(PDB_TYPES* types, const BYTE* image)
2368 {
2369 memset(types, 0, sizeof(PDB_TYPES));
2370 if (!image) return;
2371
2372 if (*(const DWORD*)image < 19960000) /* FIXME: correct version? */
2373 {
2374 /* Old version of the types record header */
2375 const PDB_TYPES_OLD* old = (const PDB_TYPES_OLD*)image;
2376 types->version = old->version;
2377 types->type_offset = sizeof(PDB_TYPES_OLD);
2378 types->type_size = old->type_size;
2379 types->first_index = old->first_index;
2380 types->last_index = old->last_index;
2381 types->file = old->file;
2382 }
2383 else
2384 {
2385 /* New version of the types record header */
2386 *types = *(const PDB_TYPES*)image;
2387 }
2388 }
2389
2390 static void pdb_convert_symbols_header(PDB_SYMBOLS* symbols,
2391 int* header_size, const BYTE* image)
2392 {
2393 memset(symbols, 0, sizeof(PDB_SYMBOLS));
2394 if (!image) return;
2395
2396 if (*(const DWORD*)image != 0xffffffff)
2397 {
2398 /* Old version of the symbols record header */
2399 const PDB_SYMBOLS_OLD* old = (const PDB_SYMBOLS_OLD*)image;
2400 symbols->version = 0;
2401 symbols->module_size = old->module_size;
2402 symbols->offset_size = old->offset_size;
2403 symbols->hash_size = old->hash_size;
2404 symbols->srcmodule_size = old->srcmodule_size;
2405 symbols->pdbimport_size = 0;
2406 symbols->hash1_file = old->hash1_file;
2407 symbols->hash2_file = old->hash2_file;
2408 symbols->gsym_file = old->gsym_file;
2409
2410 *header_size = sizeof(PDB_SYMBOLS_OLD);
2411 }
2412 else
2413 {
2414 /* New version of the symbols record header */
2415 *symbols = *(const PDB_SYMBOLS*)image;
2416 *header_size = sizeof(PDB_SYMBOLS);
2417 }
2418 }
2419
2420 static void pdb_convert_symbol_file(const PDB_SYMBOLS* symbols,
2421 PDB_SYMBOL_FILE_EX* sfile,
2422 unsigned* size, const void* image)
2423
2424 {
2425 if (symbols->version < 19970000)
2426 {
2427 const PDB_SYMBOL_FILE *sym_file = image;
2428 memset(sfile, 0, sizeof(*sfile));
2429 sfile->file = sym_file->file;
2430 sfile->range.index = sym_file->range.index;
2431 sfile->symbol_size = sym_file->symbol_size;
2432 sfile->lineno_size = sym_file->lineno_size;
2433 *size = sizeof(PDB_SYMBOL_FILE) - 1;
2434 }
2435 else
2436 {
2437 memcpy(sfile, image, sizeof(PDB_SYMBOL_FILE_EX));
2438 *size = sizeof(PDB_SYMBOL_FILE_EX) - 1;
2439 }
2440 }
2441
2442 static HANDLE map_pdb_file(const struct process* pcs,
2443 const struct pdb_lookup* lookup,
2444 struct module* module)
2445 {
2446 HANDLE hFile, hMap = NULL;
2447 char dbg_file_path[MAX_PATH];
2448 BOOL ret = FALSE;
2449
2450 switch (lookup->kind)
2451 {
2452 case PDB_JG:
2453 ret = path_find_symbol_file(pcs, lookup->filename, NULL, lookup->timestamp,
2454 lookup->age, dbg_file_path, &module->module.PdbUnmatched);
2455 break;
2456 case PDB_DS:
2457 ret = path_find_symbol_file(pcs, lookup->filename, &lookup->guid, 0,
2458 lookup->age, dbg_file_path, &module->module.PdbUnmatched);
2459 break;
2460 }
2461 if (!ret)
2462 {
2463 WARN("\tCouldn't find %s\n", lookup->filename);
2464 return NULL;
2465 }
2466 if ((hFile = CreateFileA(dbg_file_path, GENERIC_READ, FILE_SHARE_READ, NULL,
2467 OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL)) != INVALID_HANDLE_VALUE)
2468 {
2469 hMap = CreateFileMappingW(hFile, NULL, PAGE_READONLY, 0, 0, NULL);
2470 CloseHandle(hFile);
2471 }
2472 return hMap;
2473 }
2474
2475 static void pdb_process_types(const struct msc_debug_info* msc_dbg,
2476 const struct pdb_file_info* pdb_file)
2477 {
2478 BYTE* types_image = NULL;
2479
2480 types_image = pdb_read_file(pdb_file, 2);
2481 if (types_image)
2482 {
2483 PDB_TYPES types;
2484 struct codeview_type_parse ctp;
2485 DWORD total;
2486 const BYTE* ptr;
2487 DWORD* offset;
2488
2489 pdb_convert_types_header(&types, types_image);
2490
2491 /* Check for unknown versions */
2492 switch (types.version)
2493 {
2494 case 19950410: /* VC 4.0 */
2495 case 19951122:
2496 case 19961031: /* VC 5.0 / 6.0 */
2497 case 19990903: /* VC 7.0 */
2498 case 20040203: /* VC 8.0 */
2499 break;
2500 default:
2501 ERR("-Unknown type info version %d\n", types.version);
2502 }
2503
2504 ctp.module = msc_dbg->module;
2505 /* reconstruct the types offset...
2506 * FIXME: maybe it's present in the newest PDB_TYPES structures
2507 */
2508 total = types.last_index - types.first_index + 1;
2509 offset = HeapAlloc(GetProcessHeap(), 0, sizeof(DWORD) * total);
2510 ctp.table = ptr = types_image + types.type_offset;
2511 ctp.num = 0;
2512 while (ptr < ctp.table + types.type_size && ctp.num < total)
2513 {
2514 offset[ctp.num++] = ptr - ctp.table;
2515 ptr += ((const union codeview_type*)ptr)->generic.len + 2;
2516 }
2517 ctp.offset = offset;
2518
2519 /* Read type table */
2520 codeview_parse_type_table(&ctp);
2521 HeapFree(GetProcessHeap(), 0, offset);
2522 pdb_free(types_image);
2523 }
2524 }
2525
2526 static const char PDB_JG_IDENT[] = "Microsoft C/C++ program database 2.00\r\n\032JG\0";
2527 static const char PDB_DS_IDENT[] = "Microsoft C/C++ MSF 7.00\r\n\032DS\0";
2528
2529 /******************************************************************
2530 * pdb_init
2531 *
2532 * Tries to load a pdb file
2533 * 'matched' is filled with the number of correct matches for this file:
2534 * - age counts for one
2535 * - timestamp or guid depending on kind counts for one
2536 * a wrong kind of file returns FALSE (FIXME ?)
2537 */
2538 static BOOL pdb_init(const struct pdb_lookup* pdb_lookup, struct pdb_file_info* pdb_file,
2539 const char* image, unsigned* matched)
2540 {
2541 BOOL ret = TRUE;
2542
2543 /* check the file header, and if ok, load the TOC */
2544 TRACE("PDB(%s): %.40s\n", pdb_lookup->filename, debugstr_an(image, 40));
2545
2546 *matched = 0;
2547 if (!memcmp(image, PDB_JG_IDENT, sizeof(PDB_JG_IDENT)))
2548 {
2549 const struct PDB_JG_HEADER* pdb = (const struct PDB_JG_HEADER*)image;
2550 struct PDB_JG_ROOT* root;
2551
2552 pdb_file->u.jg.toc = pdb_jg_read(pdb, pdb->toc_block, pdb->toc.size);
2553 root = pdb_read_jg_file(pdb, pdb_file->u.jg.toc, 1);
2554 if (!root)
2555 {
2556 ERR("-Unable to get root from .PDB in %s\n", pdb_lookup->filename);
2557 return FALSE;
2558 }
2559 switch (root->Version)
2560 {
2561 case 19950623: /* VC 4.0 */
2562 case 19950814:
2563 case 19960307: /* VC 5.0 */
2564 case 19970604: /* VC 6.0 */
2565 break;
2566 default:
2567 ERR("-Unknown root block version %d\n", root->Version);
2568 }
2569 if (pdb_lookup->kind != PDB_JG)
2570 {
2571 WARN("Found %s, but wrong PDB kind\n", pdb_lookup->filename);
2572 pdb_free(root);
2573 return FALSE;
2574 }
2575 pdb_file->kind = PDB_JG;
2576 pdb_file->u.jg.timestamp = root->TimeDateStamp;
2577 pdb_file->age = root->Age;
2578 if (root->TimeDateStamp == pdb_lookup->timestamp) (*matched)++;
2579 else WARN("Found %s, but wrong signature: %08x %08x\n",
2580 pdb_lookup->filename, root->TimeDateStamp, pdb_lookup->timestamp);
2581 if (root->Age == pdb_lookup->age) (*matched)++;
2582 else WARN("Found %s, but wrong age: %08x %08x\n",
2583 pdb_lookup->filename, root->Age, pdb_lookup->age);
2584 TRACE("found JG for %s: age=%x timestamp=%x\n",
2585 pdb_lookup->filename, root->Age, root->TimeDateStamp);
2586 pdb_load_stream_name_table(pdb_file, &root->names[0], root->cbNames);
2587
2588 pdb_free(root);
2589 }
2590 else if (!memcmp(image, PDB_DS_IDENT, sizeof(PDB_DS_IDENT)))
2591 {
2592 const struct PDB_DS_HEADER* pdb = (const struct PDB_DS_HEADER*)image;
2593 struct PDB_DS_ROOT* root;
2594
2595 pdb_file->u.ds.toc =
2596 pdb_ds_read(pdb,
2597 (const DWORD*)((const char*)pdb + pdb->toc_page * pdb->block_size),
2598 pdb->toc_size);
2599 root = pdb_read_ds_file(pdb, pdb_file->u.ds.toc, 1);
2600 if (!root)
2601 {
2602 ERR("-Unable to get root from .PDB in %s\n", pdb_lookup->filename);
2603 return FALSE;
2604 }
2605 switch (root->Version)
2606 {
2607 case 20000404:
2608 break;
2609 default:
2610 ERR("-Unknown root block version %d\n", root->Version);
2611 }
2612 pdb_file->kind = PDB_DS;
2613 pdb_file->u.ds.guid = root->guid;
2614 pdb_file->age = root->Age;
2615 if (!memcmp(&root->guid, &pdb_lookup->guid, sizeof(GUID))) (*matched)++;
2616 else WARN("Found %s, but wrong GUID: %s %s\n",
2617 pdb_lookup->filename, debugstr_guid(&root->guid),
2618 debugstr_guid(&pdb_lookup->guid));
2619 if (root->Age == pdb_lookup->age) (*matched)++;
2620 else WARN("Found %s, but wrong age: %08x %08x\n",
2621 pdb_lookup->filename, root->Age, pdb_lookup->age);
2622 TRACE("found DS for %s: age=%x guid=%s\n",
2623 pdb_lookup->filename, root->Age, debugstr_guid(&root->guid));
2624 pdb_load_stream_name_table(pdb_file, &root->names[0], root->cbNames);
2625
2626 pdb_free(root);
2627 }
2628
2629 if (0) /* some tool to dump the internal files from a PDB file */
2630 {
2631 int i, num_files;
2632
2633 switch (pdb_file->kind)
2634 {
2635 case PDB_JG: num_files = pdb_file->u.jg.toc->num_files; break;
2636 case PDB_DS: num_files = pdb_file->u.ds.toc->num_files; break;
2637 }
2638
2639 for (i = 1; i < num_files; i++)
2640 {
2641 unsigned char* x = pdb_read_file(pdb_file, i);
2642 FIXME("********************** [%u]: size=%08x\n",
2643 i, pdb_get_file_size(pdb_file, i));
2644 dump(x, pdb_get_file_size(pdb_file, i));
2645 pdb_free(x);
2646 }
2647 }
2648 return ret;
2649 }
2650
2651 static BOOL pdb_process_internal(const struct process* pcs,
2652 const struct msc_debug_info* msc_dbg,
2653 const struct pdb_lookup* pdb_lookup,
2654 struct pdb_module_info* pdb_module_info,
2655 unsigned module_index);
2656
2657 static void pdb_process_symbol_imports(const struct process* pcs,
2658 const struct msc_debug_info* msc_dbg,
2659 const PDB_SYMBOLS* symbols,
2660 const void* symbols_image,
2661 const char* image,
2662 const struct pdb_lookup* pdb_lookup,
2663 struct pdb_module_info* pdb_module_info,
2664 unsigned module_index)
2665 {
2666 if (module_index == -1 && symbols && symbols->pdbimport_size)
2667 {
2668 const PDB_SYMBOL_IMPORT*imp;
2669 const void* first;
2670 const void* last;
2671 const char* ptr;
2672 int i = 0;
2673 struct pdb_file_info sf0 = pdb_module_info->pdb_files[0];
2674
2675 imp = (const PDB_SYMBOL_IMPORT*)((const char*)symbols_image + sizeof(PDB_SYMBOLS) +
2676 symbols->module_size + symbols->offset_size +
2677 symbols->hash_size + symbols->srcmodule_size);
2678 first = imp;
2679 last = (const char*)imp + symbols->pdbimport_size;
2680 while (imp < (const PDB_SYMBOL_IMPORT*)last)
2681 {
2682 ptr = (const char*)imp + sizeof(*imp) + strlen(imp->filename);
2683 if (i >= CV_MAX_MODULES) FIXME("Out of bounds!!!\n");
2684 if (!strcasecmp(pdb_lookup->filename, imp->filename))
2685 {
2686 if (module_index != -1) FIXME("Twice the entry\n");
2687 else module_index = i;
2688 pdb_module_info->pdb_files[i] = sf0;
2689 }
2690 else
2691 {
2692 struct pdb_lookup imp_pdb_lookup;
2693
2694 /* FIXME: this is an import of a JG PDB file
2695 * how's a DS PDB handled ?
2696 */
2697 imp_pdb_lookup.filename = imp->filename;
2698 imp_pdb_lookup.kind = PDB_JG;
2699 imp_pdb_lookup.timestamp = imp->TimeDateStamp;
2700 imp_pdb_lookup.age = imp->Age;
2701 TRACE("got for %s: age=%u ts=%x\n",
2702 imp->filename, imp->Age, imp->TimeDateStamp);
2703 pdb_process_internal(pcs, msc_dbg, &imp_pdb_lookup, pdb_module_info, i);
2704 }
2705 i++;
2706 imp = (const PDB_SYMBOL_IMPORT*)((const char*)first + ((ptr - (const char*)first + strlen(ptr) + 1 + 3) & ~3));
2707 }
2708 pdb_module_info->used_subfiles = i;
2709 }
2710 if (module_index == -1)
2711 {
2712 module_index = 0;
2713 pdb_module_info->used_subfiles = 1;
2714 }
2715 cv_current_module = &cv_zmodules[module_index];
2716 if (cv_current_module->allowed) FIXME("Already allowed??\n");
2717 cv_current_module->allowed = TRUE;
2718 }
2719
2720 static BOOL pdb_process_internal(const struct process* pcs,
2721 const struct msc_debug_info* msc_dbg,
2722 const struct pdb_lookup* pdb_lookup,
2723 struct pdb_module_info* pdb_module_info,
2724 unsigned module_index)
2725 {
2726 HANDLE hMap = NULL;
2727 char* image = NULL;
2728 BYTE* symbols_image = NULL;
2729 char* files_image = NULL;
2730 DWORD files_size = 0;
2731 unsigned matched;
2732 struct pdb_file_info* pdb_file;
2733
2734 TRACE("Processing PDB file %s\n", pdb_lookup->filename);
2735
2736 pdb_file = &pdb_module_info->pdb_files[module_index == -1 ? 0 : module_index];
2737 /* Open and map() .PDB file */
2738 if ((hMap = map_pdb_file(pcs, pdb_lookup, msc_dbg->module)) == NULL ||
2739 ((image = MapViewOfFile(hMap, FILE_MAP_READ, 0, 0, 0)) == NULL))
2740 {
2741 WARN("Unable to open .PDB file: %s\n", pdb_lookup->filename);
2742 CloseHandle(hMap);
2743 return FALSE;
2744 }
2745 if (!pdb_init(pdb_lookup, pdb_file, image, &matched) || matched != 2)
2746 {
2747 CloseHandle(hMap);
2748 UnmapViewOfFile(image);
2749 return FALSE;
2750 }
2751
2752 pdb_file->hMap = hMap;
2753 pdb_file->image = image;
2754 symbols_image = pdb_read_file(pdb_file, 3);
2755 if (symbols_image)
2756 {
2757 PDB_SYMBOLS symbols;
2758 BYTE* globalimage;
2759 BYTE* modimage;
2760 BYTE* file;
2761 int header_size = 0;
2762 PDB_STREAM_INDEXES* psi;
2763
2764 pdb_convert_symbols_header(&symbols, &header_size, symbols_image);
2765 switch (symbols.version)
2766 {
2767 case 0: /* VC 4.0 */
2768 case 19960307: /* VC 5.0 */
2769 case 19970606: /* VC 6.0 */
2770 case 19990903:
2771 break;
2772 default:
2773 ERR("-Unknown symbol info version %d %08x\n",
2774 symbols.version, symbols.version);
2775 }
2776
2777 switch (symbols.stream_index_size)
2778 {
2779 case 0:
2780 case sizeof(PDB_STREAM_INDEXES_OLD):
2781 /* no fpo ext stream in this case */
2782 break;
2783 case sizeof(PDB_STREAM_INDEXES):
2784 psi = (PDB_STREAM_INDEXES*)((const char*)symbols_image + sizeof(PDB_SYMBOLS) +
2785 symbols.module_size + symbols.offset_size +
2786 symbols.hash_size + symbols.srcmodule_size +
2787 symbols.pdbimport_size + symbols.unknown2_size);
2788 pdb_file->fpoext_stream = psi->FPO_EXT;
2789 break;
2790 default:
2791 FIXME("Unknown PDB_STREAM_INDEXES size (%d)\n", symbols.stream_index_size);
2792 break;
2793 }
2794 files_image = pdb_read_strings(pdb_file);
2795 if (files_image) files_size = *(const DWORD*)(files_image + 8);
2796
2797 pdb_process_symbol_imports(pcs, msc_dbg, &symbols, symbols_image, image,
2798 pdb_lookup, pdb_module_info, module_index);
2799 pdb_process_types(msc_dbg, pdb_file);
2800
2801 /* Read global symbol table */
2802 globalimage = pdb_read_file(pdb_file, symbols.gsym_file);
2803 if (globalimage)
2804 {
2805 codeview_snarf(msc_dbg, globalimage, 0,
2806 pdb_get_file_size(pdb_file, symbols.gsym_file), FALSE);
2807 }
2808
2809 /* Read per-module symbols' tables */
2810 file = symbols_image + header_size;
2811 while (file - symbols_image < header_size + symbols.module_size)
2812 {
2813 PDB_SYMBOL_FILE_EX sfile;
2814 const char* file_name;
2815 unsigned size;
2816
2817 HeapValidate(GetProcessHeap(), 0, NULL);
2818 pdb_convert_symbol_file(&symbols, &sfile, &size, file);
2819
2820 modimage = pdb_read_file(pdb_file, sfile.file);
2821 if (modimage)
2822 {
2823 if (sfile.symbol_size)
2824 codeview_snarf(msc_dbg, modimage, sizeof(DWORD),
2825 sfile.symbol_size, TRUE);
2826
2827 if (sfile.lineno_size)
2828 codeview_snarf_linetab(msc_dbg,
2829 modimage + sfile.symbol_size,
2830 sfile.lineno_size,
2831 pdb_file->kind == PDB_JG);
2832 if (files_image)
2833 codeview_snarf_linetab2(msc_dbg, modimage + sfile.symbol_size + sfile.lineno_size,
2834 pdb_get_file_size(pdb_file, sfile.file) - sfile.symbol_size - sfile.lineno_size,
2835 files_image + 12, files_size);
2836
2837 pdb_free(modimage);
2838 }
2839 file_name = (const char*)file + size;
2840 file_name += strlen(file_name) + 1;
2841 file = (BYTE*)((DWORD_PTR)(file_name + strlen(file_name) + 1 + 3) & ~3);
2842 }
2843 /* finish the remaining public and global information */
2844 if (globalimage)
2845 {
2846 codeview_snarf_public(msc_dbg, globalimage, 0,
2847 pdb_get_file_size(pdb_file, symbols.gsym_file));
2848 pdb_free(globalimage);
2849 }
2850 }
2851 else
2852 pdb_process_symbol_imports(pcs, msc_dbg, NULL, NULL, image,
2853 pdb_lookup, pdb_module_info, module_index);
2854
2855 pdb_free(symbols_image);
2856 pdb_free(files_image);
2857
2858 return TRUE;
2859 }
2860
2861 static BOOL pdb_process_file(const struct process* pcs,
2862 const struct msc_debug_info* msc_dbg,
2863 struct pdb_lookup* pdb_lookup)
2864 {
2865 BOOL ret;
2866 struct module_format* modfmt;
2867 struct pdb_module_info* pdb_module_info;
2868
2869 modfmt = HeapAlloc(GetProcessHeap(), 0,
2870 sizeof(struct module_format) + sizeof(struct pdb_module_info));
2871 if (!modfmt) return FALSE;
2872
2873 pdb_module_info = (void*)(modfmt + 1);
2874 msc_dbg->module->format_info[DFI_PDB] = modfmt;
2875 modfmt->module = msc_dbg->module;
2876 modfmt->remove = pdb_module_remove;
2877 modfmt->loc_compute = NULL;
2878 modfmt->u.pdb_info = pdb_module_info;
2879
2880 memset(cv_zmodules, 0, sizeof(cv_zmodules));
2881 codeview_init_basic_types(msc_dbg->module);
2882 ret = pdb_process_internal(pcs, msc_dbg, pdb_lookup,
2883 msc_dbg->module->format_info[DFI_PDB]->u.pdb_info, -1);
2884 codeview_clear_type_table();
2885 if (ret)
2886 {
2887 struct pdb_module_info* pdb_info = msc_dbg->module->format_info[DFI_PDB]->u.pdb_info;
2888 msc_dbg->module->module.SymType = SymCv;
2889 if (pdb_info->pdb_files[0].kind == PDB_JG)
2890 msc_dbg->module->module.PdbSig = pdb_info->pdb_files[0].u.jg.timestamp;
2891 else
2892 msc_dbg->module->module.PdbSig70 = pdb_info->pdb_files[0].u.ds.guid;
2893 msc_dbg->module->module.PdbAge = pdb_info->pdb_files[0].age;
2894 MultiByteToWideChar(CP_ACP, 0, pdb_lookup->filename, -1,
2895 msc_dbg->module->module.LoadedPdbName,
2896 sizeof(msc_dbg->module->module.LoadedPdbName) / sizeof(WCHAR));
2897 /* FIXME: we could have a finer grain here */
2898 msc_dbg->module->module.LineNumbers = TRUE;
2899 msc_dbg->module->module.GlobalSymbols = TRUE;
2900 msc_dbg->module->module.TypeInfo = TRUE;
2901 msc_dbg->module->module.SourceIndexed = TRUE;
2902 msc_dbg->module->module.Publics = TRUE;
2903 }
2904 else
2905 {
2906 msc_dbg->module->format_info[DFI_PDB] = NULL;
2907 HeapFree(GetProcessHeap(), 0, modfmt);
2908 }
2909 return ret;
2910 }
2911
2912 BOOL pdb_fetch_file_info(const struct pdb_lookup* pdb_lookup, unsigned* matched)
2913 {
2914 HANDLE hFile, hMap = NULL;
2915 char* image = NULL;
2916 BOOL ret;
2917 struct pdb_file_info pdb_file;
2918
2919 if ((hFile = CreateFileA(pdb_lookup->filename, GENERIC_READ, FILE_SHARE_READ, NULL,
2920 OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL)) == INVALID_HANDLE_VALUE ||
2921 ((hMap = CreateFileMappingW(hFile, NULL, PAGE_READONLY, 0, 0, NULL)) == NULL) ||
2922 ((image = MapViewOfFile(hMap, FILE_MAP_READ, 0, 0, 0)) == NULL))
2923 {
2924 WARN("Unable to open .PDB file: %s\n", pdb_lookup->filename);
2925 ret = FALSE;
2926 }
2927 else
2928 {
2929 ret = pdb_init(pdb_lookup, &pdb_file, image, matched);
2930 pdb_free_file(&pdb_file);
2931 }
2932
2933 if (image) UnmapViewOfFile(image);
2934 if (hMap) CloseHandle(hMap);
2935 if (hFile != INVALID_HANDLE_VALUE) CloseHandle(hFile);
2936
2937 return ret;
2938 }
2939
2940 /*========================================================================
2941 * FPO unwinding code
2942 */
2943
2944 /* Stack unwinding is based on postfixed operations.
2945 * Let's define our Postfix EValuator
2946 */
2947 #define PEV_MAX_LEN 32
2948 struct pevaluator
2949 {
2950 struct cpu_stack_walk* csw;
2951 struct pool pool;
2952 struct vector stack;
2953 unsigned stk_index;
2954 struct hash_table values;
2955 char error[64];
2956 };
2957
2958 struct zvalue
2959 {
2960 DWORD_PTR value;
2961 struct hash_table_elt elt;
2962 };
2963
2964 #define PEV_ERROR(pev, msg) snprintf((pev)->error, sizeof((pev)->error), "%s", (msg))
2965 #define PEV_ERROR1(pev, msg, pmt) snprintf((pev)->error, sizeof((pev)->error), (msg), (pmt))
2966
2967 #if 0
2968 static void pev_dump_stack(struct pevaluator* pev)
2969 {
2970 unsigned i;
2971 FIXME("stack #%d\n", pev->stk_index);
2972 for (i = 0; i < pev->stk_index; i++)
2973 {
2974 FIXME("\t%d) %s\n", i, *(char**)vector_at(&pev->stack, i));
2975 }
2976 }
2977 #endif
2978
2979 /* get the value out of an operand (variable or literal) */
2980 static BOOL pev_get_val(struct pevaluator* pev, const char* str, DWORD_PTR* val)
2981 {
2982 char* n;
2983 struct hash_table_iter hti;
2984 void* ptr;
2985
2986 switch (str[0])
2987 {
2988 case '$':
2989 case '.':
2990 hash_table_iter_init(&pev->values, &hti, str);
2991 while ((ptr = hash_table_iter_up(&hti)))
2992 {
2993 if (!strcmp(CONTAINING_RECORD(ptr, struct zvalue, elt)->elt.name, str))
2994 {
2995 *val = CONTAINING_RECORD(ptr, struct zvalue, elt)->value;
2996 return TRUE;
2997 }
2998 }
2999 return PEV_ERROR1(pev, "get_zvalue: no value found (%s)", str);
3000 default:
3001 *val = strtol(str, &n, 10);
3002 if (n == str || *n != '\0')
3003 return PEV_ERROR1(pev, "get_val: not a literal (%s)", str);
3004 return TRUE;
3005 }
3006 }
3007
3008 /* push an operand onto the stack */
3009 static BOOL pev_push(struct pevaluator* pev, const char* elt)
3010 {
3011 char** at;
3012 if (pev->stk_index < vector_length(&pev->stack))
3013 at = vector_at(&pev->stack, pev->stk_index);
3014 else
3015 at = vector_add(&pev->stack, &pev->pool);
3016 if (!at) return PEV_ERROR(pev, "push: out of memory");
3017 *at = pool_strdup(&pev->pool, elt);
3018 pev->stk_index++;
3019 return TRUE;
3020 }
3021
3022 /* pop an operand from the stack */
3023 static BOOL pev_pop(struct pevaluator* pev, char* elt)
3024 {
3025 char** at = vector_at(&pev->stack, --pev->stk_index);
3026 if (!at) return PEV_ERROR(pev, "pop: stack empty");
3027 strcpy(elt, *at);
3028 return TRUE;
3029 }
3030
3031 /* pop an operand from the stack, and gets its value */
3032 static BOOL pev_pop_val(struct pevaluator* pev, DWORD_PTR* val)
3033 {
3034 char p[PEV_MAX_LEN];
3035
3036 return pev_pop(pev, p) && pev_get_val(pev, p, val);
3037 }
3038
3039 /* set var 'name' a new value (creates the var if it doesn't exist) */
3040 static BOOL pev_set_value(struct pevaluator* pev, const char* name, DWORD_PTR val)
3041 {
3042 struct hash_table_iter hti;
3043 void* ptr;
3044
3045 hash_table_iter_init(&pev->values, &hti, name);
3046 while ((ptr = hash_table_iter_up(&hti)))
3047 {
3048 if (!strcmp(CONTAINING_RECORD(ptr, struct zvalue, elt)->elt.name, name))
3049 {
3050 CONTAINING_RECORD(ptr, struct zvalue, elt)->value = val;
3051 break;
3052 }
3053 }
3054 if (!ptr)
3055 {
3056 struct zvalue* zv = pool_alloc(&pev->pool, sizeof(*zv));
3057 if (!zv) return PEV_ERROR(pev, "set_value: out of memory");
3058 zv->value = val;
3059
3060 zv->elt.name = pool_strdup(&pev->pool, name);
3061 hash_table_add(&pev->values, &zv->elt);
3062 }
3063 return TRUE;
3064 }
3065
3066 /* execute a binary operand from the two top most values on the stack.
3067 * puts result on top of the stack */
3068 static BOOL pev_binop(struct pevaluator* pev, char op)
3069 {
3070 char res[PEV_MAX_LEN];
3071 DWORD_PTR v1, v2, c;
3072
3073 if (!pev_pop_val(pev, &v1) || !pev_pop_val(pev, &v2)) return FALSE;
3074 switch (op)
3075 {
3076 case '+': c = v1 + v2; break;
3077 case '-': c = v1 - v2; break;
3078 case '*': c = v1 * v2; break;
3079 case '/': c = v1 / v2; break;
3080 case '%': c = v1 % v2; break;
3081 default: return PEV_ERROR1(pev, "binop: unknown op (%c)", op);
3082 }
3083 snprintf(res, sizeof(res), "%ld", c);
3084 pev_push(pev, res);
3085 return TRUE;
3086 }
3087
3088 /* pops top most operand, dereference it, on pushes the result on top of the stack */
3089 static BOOL pev_deref(struct pevaluator* pev)
3090 {
3091 char res[PEV_MAX_LEN];
3092 DWORD_PTR v1, v2;
3093
3094 if (!pev_pop_val(pev, &v1)) return FALSE;
3095 if (!sw_read_mem(pev->csw, v1, &v2, sizeof(v2)))
3096 return PEV_ERROR1(pev, "deref: cannot read mem at %lx\n", v1);
3097 snprintf(res, sizeof(res), "%ld", v2);
3098 pev_push(pev, res);
3099 return TRUE;
3100 }
3101
3102 /* assign value to variable (from two top most operands) */
3103 static BOOL pev_assign(struct pevaluator* pev)
3104 {
3105 char p2[PEV_MAX_LEN];
3106 DWORD_PTR v1;
3107
3108 if (!pev_pop_val(pev, &v1) || !pev_pop(pev, p2)) return FALSE;
3109 if (p2[0] != '$') return PEV_ERROR1(pev, "assign: %s isn't a variable", p2);
3110 pev_set_value(pev, p2, v1);
3111
3112 return TRUE;
3113 }
3114
3115 /* initializes the postfix evaluator */
3116 static void pev_init(struct pevaluator* pev, struct cpu_stack_walk* csw,
3117 PDB_FPO_DATA* fpoext, struct pdb_cmd_pair* cpair)
3118 {
3119 pev->csw = csw;
3120 pool_init(&pev->pool, 512);
3121 vector_init(&pev->stack, sizeof(char*), 8);
3122 pev->stk_index = 0;
3123 hash_table_init(&pev->pool, &pev->values, 8);
3124 pev->error[0] = '\0';
3125 for (; cpair->name; cpair++)
3126 pev_set_value(pev, cpair->name, *cpair->pvalue);
3127 pev_set_value(pev, ".raSearchStart", fpoext->start);
3128 pev_set_value(pev, ".cbLocals", fpoext->locals_size);
3129 pev_set_value(pev, ".cbParams", fpoext->params_size);
3130 pev_set_value(pev, ".cbSavedRegs", fpoext->savedregs_size);
3131 }
3132
3133 static BOOL pev_free(struct pevaluator* pev, struct pdb_cmd_pair* cpair)
3134 {
3135 DWORD_PTR val;
3136
3137 if (cpair) for (; cpair->name; cpair++)
3138 {
3139 if (pev_get_val(pev, cpair->name, &val))
3140 *cpair->pvalue = val;
3141 }
3142 pool_destroy(&pev->pool);
3143 return TRUE;
3144 }
3145
3146 static BOOL pdb_parse_cmd_string(struct cpu_stack_walk* csw, PDB_FPO_DATA* fpoext,
3147 const char* cmd, struct pdb_cmd_pair* cpair)
3148 {
3149 char token[PEV_MAX_LEN];
3150 char* ptok = token;
3151 const char* ptr;
3152 BOOL over = FALSE;
3153 struct pevaluator pev;
3154
3155 pev_init(&pev, csw, fpoext, cpair);
3156 for (ptr = cmd; !over; ptr++)
3157 {
3158 if (*ptr == ' ' || (over = *ptr == '\0'))
3159 {
3160 *ptok = '\0';
3161
3162 if (!strcmp(token, "+") || !strcmp(token, "-") || !strcmp(token, "*") ||
3163 !strcmp(token, "/") || !strcmp(token, "%"))
3164 {
3165 if (!pev_binop(&pev, token[0])) goto done;
3166 }
3167 else if (!strcmp(token, "^"))
3168 {
3169 if (!pev_deref(&pev)) goto done;
3170 }
3171 else if (!strcmp(token, "="))
3172 {
3173 if (!pev_assign(&pev)) goto done;
3174 }
3175 else
3176 {
3177 if (!pev_push(&pev, token)) goto done;
3178 }
3179 ptok = token;
3180 }
3181 else
3182 {
3183 if (ptok - token >= PEV_MAX_LEN - 1)
3184 {
3185 PEV_ERROR1(&pev, "parse: token too long (%s)", ptr - (ptok - token));
3186 goto done;
3187 }
3188 *ptok++ = *ptr;
3189 }
3190 }
3191 pev_free(&pev, cpair);
3192 return TRUE;
3193 done:
3194 FIXME("Couldn't evaluate %s => %s\n", wine_dbgstr_a(cmd), pev.error);
3195 pev_free(&pev, NULL);
3196 return FALSE;
3197 }
3198
3199 BOOL pdb_virtual_unwind(struct cpu_stack_walk* csw, DWORD_PTR ip,
3200 CONTEXT* context, struct pdb_cmd_pair* cpair)
3201 {
3202 struct module_pair pair;
3203 struct pdb_module_info* pdb_info;
3204 PDB_FPO_DATA* fpoext;
3205 unsigned i, size, strsize;
3206 char* strbase;
3207 BOOL ret = TRUE;
3208
3209 if (!(pair.pcs = process_find_by_handle(csw->hProcess)) ||
3210 !(pair.requested = module_find_by_addr(pair.pcs, ip, DMT_UNKNOWN)) ||
3211 !module_get_debug(&pair))
3212 return FALSE;
3213 if (!pair.effective->format_info[DFI_PDB]) return FALSE;
3214 pdb_info = pair.effective->format_info[DFI_PDB]->u.pdb_info;
3215 TRACE("searching %lx => %lx\n", ip, ip - (DWORD_PTR)pair.effective->module.BaseOfImage);
3216 ip -= (DWORD_PTR)pair.effective->module.BaseOfImage;
3217
3218 strbase = pdb_read_strings(&pdb_info->pdb_files[0]);
3219 if (!strbase) return FALSE;
3220 strsize = *(const DWORD*)(strbase + 8);
3221 fpoext = pdb_read_file(&pdb_info->pdb_files[0], pdb_info->pdb_files[0].fpoext_stream);
3222 size = pdb_get_file_size(&pdb_info->pdb_files[0], pdb_info->pdb_files[0].fpoext_stream);
3223 if (fpoext && (size % sizeof(*fpoext)) == 0)
3224 {
3225 size /= sizeof(*fpoext);
3226 for (i = 0; i < size; i++)
3227 {
3228 if (fpoext[i].start <= ip && ip < fpoext[i].start + fpoext[i].func_size)
3229 {
3230 TRACE("\t%08x %08x %8x %8x %4x %4x %4x %08x %s\n",
3231 fpoext[i].start, fpoext[i].func_size, fpoext[i].locals_size,
3232 fpoext[i].params_size, fpoext[i].maxstack_size, fpoext[i].prolog_size,
3233 fpoext[i].savedregs_size, fpoext[i].flags,
3234 fpoext[i].str_offset < strsize ?
3235 wine_dbgstr_a(strbase + 12 + fpoext[i].str_offset) : "<out of bounds>");
3236 if (fpoext[i].str_offset < strsize)
3237 ret = pdb_parse_cmd_string(csw, &fpoext[i], strbase + 12 + fpoext[i].str_offset, cpair);
3238 else
3239 ret = FALSE;
3240 break;
3241 }
3242 }
3243 }
3244 else ret = FALSE;
3245 pdb_free(fpoext);
3246 pdb_free(strbase);
3247
3248 return ret;
3249 }
3250
3251 /*========================================================================
3252 * Process CodeView debug information.
3253 */
3254
3255 #define MAKESIG(a,b,c,d) ((a) | ((b) << 8) | ((c) << 16) | ((d) << 24))
3256 #define CODEVIEW_NB09_SIG MAKESIG('N','B','0','9')
3257 #define CODEVIEW_NB10_SIG MAKESIG('N','B','1','0')
3258 #define CODEVIEW_NB11_SIG MAKESIG('N','B','1','1')
3259 #define CODEVIEW_RSDS_SIG MAKESIG('R','S','D','S')
3260
3261 static BOOL codeview_process_info(const struct process* pcs,
3262 const struct msc_debug_info* msc_dbg)
3263 {
3264 const DWORD* signature = (const DWORD*)msc_dbg->root;
3265 BOOL ret = FALSE;
3266 struct pdb_lookup pdb_lookup;
3267
3268 TRACE("Processing signature %.4s\n", (const char*)signature);
3269
3270 switch (*signature)
3271 {
3272 case CODEVIEW_NB09_SIG:
3273 case CODEVIEW_NB11_SIG:
3274 {
3275 const OMFSignature* cv = (const OMFSignature*)msc_dbg->root;
3276 const OMFDirHeader* hdr = (const OMFDirHeader*)(msc_dbg->root + cv->filepos);
3277 const OMFDirEntry* ent;
3278 const OMFDirEntry* prev;
3279 const OMFDirEntry* next;
3280 unsigned int i;
3281
3282 codeview_init_basic_types(msc_dbg->module);
3283
3284 for (i = 0; i < hdr->cDir; i++)
3285 {
3286 ent = (const OMFDirEntry*)((const BYTE*)hdr + hdr->cbDirHeader + i * hdr->cbDirEntry);
3287 if (ent->SubSection == sstGlobalTypes)
3288 {
3289 const OMFGlobalTypes* types;
3290 struct codeview_type_parse ctp;
3291
3292 types = (const OMFGlobalTypes*)(msc_dbg->root + ent->lfo);
3293 ctp.module = msc_dbg->module;
3294 ctp.offset = (const DWORD*)(types + 1);
3295 ctp.num = types->cTypes;
3296 ctp.table = (const BYTE*)(ctp.offset + types->cTypes);
3297
3298 cv_current_module = &cv_zmodules[0];
3299 if (cv_current_module->allowed) FIXME("Already allowed??\n");
3300 cv_current_module->allowed = TRUE;
3301
3302 codeview_parse_type_table(&ctp);
3303 break;
3304 }
3305 }
3306
3307 ent = (const OMFDirEntry*)((const BYTE*)hdr + hdr->cbDirHeader);
3308 for (i = 0; i < hdr->cDir; i++, ent = next)
3309 {
3310 next = (i == hdr->cDir-1) ? NULL :
3311 (const OMFDirEntry*)((const BYTE*)ent + hdr->cbDirEntry);
3312 prev = (i == 0) ? NULL :
3313 (const OMFDirEntry*)((const BYTE*)ent - hdr->cbDirEntry);
3314
3315 if (ent->SubSection == sstAlignSym)
3316 {
3317 codeview_snarf(msc_dbg, msc_dbg->root + ent->lfo, sizeof(DWORD),
3318 ent->cb, TRUE);
3319
3320 /*
3321 * Check the next and previous entry. If either is a
3322 * sstSrcModule, it contains the line number info for
3323 * this file.
3324 *
3325 * FIXME: This is not a general solution!
3326 */
3327 if (next && next->iMod == ent->iMod && next->SubSection == sstSrcModule)
3328 codeview_snarf_linetab(msc_dbg, msc_dbg->root + next->lfo,
3329 next->cb, TRUE);
3330
3331 if (prev && prev->iMod == ent->iMod && prev->SubSection == sstSrcModule)
3332 codeview_snarf_linetab(msc_dbg, msc_dbg->root + prev->lfo,
3333 prev->cb, TRUE);
3334
3335 }
3336 }
3337
3338 msc_dbg->module->module.SymType = SymCv;
3339 /* FIXME: we could have a finer grain here */
3340 msc_dbg->module->module.LineNumbers = TRUE;
3341 msc_dbg->module->module.GlobalSymbols = TRUE;
3342 msc_dbg->module->module.TypeInfo = TRUE;
3343 msc_dbg->module->module.SourceIndexed = TRUE;
3344 msc_dbg->module->module.Publics = TRUE;
3345 codeview_clear_type_table();
3346 ret = TRUE;
3347 break;
3348 }
3349
3350 case CODEVIEW_NB10_SIG:
3351 {
3352 const CODEVIEW_PDB_DATA* pdb = (const CODEVIEW_PDB_DATA*)msc_dbg->root;
3353 pdb_lookup.filename = pdb->name;
3354 pdb_lookup.kind = PDB_JG;
3355 pdb_lookup.timestamp = pdb->timestamp;
3356 pdb_lookup.age = pdb->age;
3357 ret = pdb_process_file(pcs, msc_dbg, &pdb_lookup);
3358 break;
3359 }
3360 case CODEVIEW_RSDS_SIG:
3361 {
3362 const OMFSignatureRSDS* rsds = (const OMFSignatureRSDS*)msc_dbg->root;
3363
3364 TRACE("Got RSDS type of PDB file: guid=%s age=%08x name=%s\n",
3365 wine_dbgstr_guid(&rsds->guid), rsds->age, rsds->name);
3366 pdb_lookup.filename = rsds->name;
3367 pdb_lookup.kind = PDB_DS;
3368 pdb_lookup.guid = rsds->guid;
3369 pdb_lookup.age = rsds->age;
3370 ret = pdb_process_file(pcs, msc_dbg, &pdb_lookup);
3371 break;
3372 }
3373 default:
3374 ERR("Unknown CODEVIEW signature %08x in module %s\n",
3375 *signature, debugstr_w(msc_dbg->module->module.ModuleName));
3376 break;
3377 }
3378 if (ret)
3379 {
3380 msc_dbg->module->module.CVSig = *signature;
3381 memcpy(msc_dbg->module->module.CVData, msc_dbg->root,
3382 sizeof(msc_dbg->module->module.CVData));
3383 }
3384 return ret;
3385 }
3386
3387 /*========================================================================
3388 * Process debug directory.
3389 */
3390 BOOL pe_load_debug_directory(const struct process* pcs, struct module* module,
3391 const BYTE* mapping,
3392 const IMAGE_SECTION_HEADER* sectp, DWORD nsect,
3393 const IMAGE_DEBUG_DIRECTORY* dbg, int nDbg)
3394 {
3395 BOOL ret;
3396 int i;
3397 struct msc_debug_info msc_dbg;
3398
3399 msc_dbg.module = module;
3400 msc_dbg.nsect = nsect;
3401 msc_dbg.sectp = sectp;
3402 msc_dbg.nomap = 0;
3403 msc_dbg.omapp = NULL;
3404
3405 __TRY
3406 {
3407 ret = FALSE;
3408
3409 /* First, watch out for OMAP data */
3410 for (i = 0; i < nDbg; i++)
3411 {
3412 if (dbg[i].Type == IMAGE_DEBUG_TYPE_OMAP_FROM_SRC)
3413 {
3414 msc_dbg.nomap = dbg[i].SizeOfData / sizeof(OMAP_DATA);
3415 msc_dbg.omapp = (const OMAP_DATA*)(mapping + dbg[i].PointerToRawData);
3416 break;
3417 }
3418 }
3419
3420 /* Now, try to parse CodeView debug info */
3421 for (i = 0; i < nDbg; i++)
3422 {
3423 if (dbg[i].Type == IMAGE_DEBUG_TYPE_CODEVIEW)
3424 {
3425 msc_dbg.root = mapping + dbg[i].PointerToRawData;
3426 if ((ret = codeview_process_info(pcs, &msc_dbg))) goto done;
3427 }
3428 }
3429
3430 /* If not found, try to parse COFF debug info */
3431 for (i = 0; i < nDbg; i++)
3432 {
3433 if (dbg[i].Type == IMAGE_DEBUG_TYPE_COFF)
3434 {
3435 msc_dbg.root = mapping + dbg[i].PointerToRawData;
3436 if ((ret = coff_process_info(&msc_dbg))) goto done;
3437 }
3438 }
3439 done:
3440 /* FIXME: this should be supported... this is the debug information for
3441 * functions compiled without a frame pointer (FPO = frame pointer omission)
3442 * the associated data helps finding out the relevant information
3443 */
3444 for (i = 0; i < nDbg; i++)
3445 if (dbg[i].Type == IMAGE_DEBUG_TYPE_FPO)
3446 FIXME("This guy has FPO information\n");
3447 #if 0
3448
3449 #define FRAME_FPO 0
3450 #define FRAME_TRAP 1
3451 #define FRAME_TSS 2
3452
3453 typedef struct _FPO_DATA
3454 {
3455 DWORD ulOffStart; /* offset 1st byte of function code */
3456 DWORD cbProcSize; /* # bytes in function */
3457 DWORD cdwLocals; /* # bytes in locals/4 */
3458 WORD cdwParams; /* # bytes in params/4 */
3459
3460 WORD cbProlog : 8; /* # bytes in prolog */
3461 WORD cbRegs : 3; /* # regs saved */
3462 WORD fHasSEH : 1; /* TRUE if SEH in func */
3463 WORD fUseBP : 1; /* TRUE if EBP has been allocated */
3464 WORD reserved : 1; /* reserved for future use */
3465 WORD cbFrame : 2; /* frame type */
3466 } FPO_DATA;
3467 #endif
3468
3469 }
3470 __EXCEPT_PAGE_FAULT
3471 {
3472 ERR("Got a page fault while loading symbols\n");
3473 ret = FALSE;
3474 }
3475 __ENDTRY
3476 return ret;
3477 }
Windows API implementation