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Release 1.2-rc6.
[wine/gsoc-2012-control.git] / programs / winedbg / types.c
blob6d50c81598a1c7a7f1d456183f0b350c75247062
1 /*
2 * File types.c - datatype handling stuff for internal debugger.
3 *
4 * Copyright (C) 1997, Eric Youngdale.
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
19 *
20 * Note: This really doesn't do much at the moment, but it forms the framework
21 * upon which full support for datatype handling will eventually be built.
22 */
23
24 #include "config.h"
25 #include <stdlib.h>
26
27 #include "debugger.h"
28 #include "wine/debug.h"
29
30 WINE_DEFAULT_DEBUG_CHANNEL(winedbg);
31
32 /******************************************************************
33 * types_get_real_type
34 *
35 * Get rid of any potential typedef in the lvalue's type to get
36 * to the 'real' type (the one we can work upon).
37 */
38 BOOL types_get_real_type(struct dbg_type* type, DWORD* tag)
39 {
40 if (type->id == dbg_itype_none) return FALSE;
41 do
42 {
43 if (!types_get_info(type, TI_GET_SYMTAG, tag))
44 return FALSE;
45 if (*tag != SymTagTypedef) return TRUE;
46 } while (types_get_info(type, TI_GET_TYPE, &type->id));
47 return FALSE;
48 }
49
50 /******************************************************************
51 * types_extract_as_longlong
52 *
53 * Given a lvalue, try to get an integral (or pointer/address) value
54 * out of it
55 */
56 LONGLONG types_extract_as_longlong(const struct dbg_lvalue* lvalue, unsigned* psize)
57 {
58 LONGLONG rtn;
59 DWORD tag, bt;
60 DWORD64 size;
61 struct dbg_type type = lvalue->type;
62
63 if (!types_get_real_type(&type, &tag))
64 RaiseException(DEBUG_STATUS_NOT_AN_INTEGER, 0, 0, NULL);
65
66 if (type.id == dbg_itype_segptr)
67 {
68 return (long int)memory_to_linear_addr(&lvalue->addr);
69 }
70
71 if (psize) *psize = 0;
72 switch (tag)
73 {
74 case SymTagBaseType:
75 if (!types_get_info(&type, TI_GET_LENGTH, &size) ||
76 !types_get_info(&type, TI_GET_BASETYPE, &bt))
77 {
78 WINE_ERR("Couldn't get information\n");
79 RaiseException(DEBUG_STATUS_INTERNAL_ERROR, 0, 0, NULL);
80 }
81 if (size > sizeof(rtn))
82 {
83 WINE_ERR("Size too large (%s)\n", wine_dbgstr_longlong(size));
84 RaiseException(DEBUG_STATUS_NOT_AN_INTEGER, 0, 0, NULL);
85 }
86 switch (bt)
87 {
88 case btChar:
89 case btInt:
90 if (!be_cpu->fetch_integer(lvalue, (unsigned)size, TRUE, &rtn))
91 RaiseException(DEBUG_STATUS_INTERNAL_ERROR, 0, 0, NULL);
92 break;
93 case btUInt:
94 if (!be_cpu->fetch_integer(lvalue, (unsigned)size, FALSE, &rtn))
95 RaiseException(DEBUG_STATUS_INTERNAL_ERROR, 0, 0, NULL);
96 break;
97 case btFloat:
98 RaiseException(DEBUG_STATUS_NOT_AN_INTEGER, 0, 0, NULL);
99 }
100 if (psize) *psize = (unsigned)size;
101 break;
102 case SymTagPointerType:
103 if (!be_cpu->fetch_integer(lvalue, sizeof(void*), FALSE, &rtn))
104 RaiseException(DEBUG_STATUS_INTERNAL_ERROR, 0, 0, NULL);
105 break;
106 case SymTagArrayType:
107 case SymTagUDT:
108 if (!be_cpu->fetch_integer(lvalue, sizeof(unsigned), FALSE, &rtn))
109 RaiseException(DEBUG_STATUS_INTERNAL_ERROR, 0, 0, NULL);
110 break;
111 case SymTagEnum:
112 /* FIXME: we don't handle enum size */
113 if (!be_cpu->fetch_integer(lvalue, sizeof(unsigned), FALSE, &rtn))
114 RaiseException(DEBUG_STATUS_INTERNAL_ERROR, 0, 0, NULL);
115 break;
116 case SymTagFunctionType:
117 rtn = (ULONG_PTR)memory_to_linear_addr(&lvalue->addr);
118 break;
119 default:
120 WINE_FIXME("Unsupported tag %u\n", tag);
121 RaiseException(DEBUG_STATUS_NOT_AN_INTEGER, 0, 0, NULL);
122 break;
123 }
124
125 return rtn;
126 }
127
128 /******************************************************************
129 * types_extract_as_integer
130 *
131 * Given a lvalue, try to get an integral (or pointer/address) value
132 * out of it
133 */
134 long int types_extract_as_integer(const struct dbg_lvalue* lvalue)
135 {
136 return types_extract_as_longlong(lvalue, NULL);
137 }
138
139 /******************************************************************
140 * types_extract_as_address
141 *
142 *
143 */
144 void types_extract_as_address(const struct dbg_lvalue* lvalue, ADDRESS64* addr)
145 {
146 if (lvalue->type.id == dbg_itype_segptr && lvalue->type.module == 0)
147 {
148 *addr = lvalue->addr;
149 }
150 else
151 {
152 addr->Mode = AddrModeFlat;
153 addr->Offset = types_extract_as_longlong(lvalue, NULL);
154 }
155 }
156
157 /******************************************************************
158 * types_get_udt_element_lvalue
159 *
160 * Implement a structure derefencement
161 */
162 static BOOL types_get_udt_element_lvalue(struct dbg_lvalue* lvalue,
163 const struct dbg_type* type, long int* tmpbuf)
164 {
165 DWORD offset, bitoffset;
166 DWORD bt;
167 DWORD64 length;
168
169 unsigned mask;
170
171 types_get_info(type, TI_GET_TYPE, &lvalue->type.id);
172 lvalue->type.module = type->module;
173 if (!types_get_info(type, TI_GET_OFFSET, &offset)) return FALSE;
174 lvalue->addr.Offset += offset;
175
176 if (types_get_info(type, TI_GET_BITPOSITION, &bitoffset))
177 {
178 types_get_info(type, TI_GET_LENGTH, &length);
179 /* FIXME: this test isn't sufficient, depending on start of bitfield
180 * (ie a 32 bit field can spread across 5 bytes)
181 */
182 if (length > 8 * sizeof(*tmpbuf)) return FALSE;
183 lvalue->addr.Offset += bitoffset >> 3;
184 /*
185 * Bitfield operation. We have to extract the field and store
186 * it in a temporary buffer so that we get it all right.
187 */
188 if (!memory_read_value(lvalue, sizeof(*tmpbuf), tmpbuf)) return FALSE;
189 mask = 0xffffffff << (DWORD)length;
190 *tmpbuf >>= bitoffset & 7;
191 *tmpbuf &= ~mask;
192
193 lvalue->cookie = DLV_HOST;
194 lvalue->addr.Offset = (ULONG_PTR)tmpbuf;
195
196 /*
197 * OK, now we have the correct part of the number.
198 * Check to see whether the basic type is signed or not, and if so,
199 * we need to sign extend the number.
200 */
201 if (types_get_info(&lvalue->type, TI_GET_BASETYPE, &bt) &&
202 bt == btInt && (*tmpbuf & (1 << ((DWORD)length - 1))))
203 {
204 *tmpbuf |= mask;
205 }
206 }
207 else
208 {
209 if (!memory_read_value(lvalue, sizeof(*tmpbuf), tmpbuf)) return FALSE;
210 }
211 return TRUE;
212 }
213
214 /******************************************************************
215 * types_udt_find_element
216 *
217 */
218 BOOL types_udt_find_element(struct dbg_lvalue* lvalue, const char* name, long int* tmpbuf)
219 {
220 DWORD tag, count;
221 char buffer[sizeof(TI_FINDCHILDREN_PARAMS) + 256 * sizeof(DWORD)];
222 TI_FINDCHILDREN_PARAMS* fcp = (TI_FINDCHILDREN_PARAMS*)buffer;
223 WCHAR* ptr;
224 char tmp[256];
225 struct dbg_type type;
226
227 if (!types_get_real_type(&lvalue->type, &tag) || tag != SymTagUDT)
228 return FALSE;
229
230 if (types_get_info(&lvalue->type, TI_GET_CHILDRENCOUNT, &count))
231 {
232 fcp->Start = 0;
233 while (count)
234 {
235 fcp->Count = min(count, 256);
236 if (types_get_info(&lvalue->type, TI_FINDCHILDREN, fcp))
237 {
238 unsigned i;
239 type.module = lvalue->type.module;
240 for (i = 0; i < min(fcp->Count, count); i++)
241 {
242 ptr = NULL;
243 type.id = fcp->ChildId[i];
244 types_get_info(&type, TI_GET_SYMNAME, &ptr);
245 if (!ptr) continue;
246 WideCharToMultiByte(CP_ACP, 0, ptr, -1, tmp, sizeof(tmp), NULL, NULL);
247 HeapFree(GetProcessHeap(), 0, ptr);
248 if (strcmp(tmp, name)) continue;
249
250 return types_get_udt_element_lvalue(lvalue, &type, tmpbuf);
251 }
252 }
253 count -= min(count, 256);
254 fcp->Start += 256;
255 }
256 }
257 return FALSE;
258 }
259
260 /******************************************************************
261 * types_array_index
262 *
263 * Grab an element from an array
264 */
265 BOOL types_array_index(const struct dbg_lvalue* lvalue, int index, struct dbg_lvalue* result)
266 {
267 struct dbg_type type = lvalue->type;
268 DWORD tag, count;
269
270 memset(result, 0, sizeof(*result));
271 result->type.id = dbg_itype_none;
272 result->type.module = 0;
273
274 if (!types_get_real_type(&type, &tag)) return FALSE;
275 switch (tag)
276 {
277 case SymTagArrayType:
278 if (!types_get_info(&type, TI_GET_COUNT, &count)) return FALSE;
279 if (index < 0 || index >= count) return FALSE;
280 result->addr = lvalue->addr;
281 break;
282 case SymTagPointerType:
283 if (!memory_read_value(lvalue, be_cpu->pointer_size, &result->addr.Offset)) return FALSE;
284 result->addr.Mode = AddrModeFlat;
285 switch (be_cpu->pointer_size)
286 {
287 case 4: result->addr.Offset = (DWORD)result->addr.Offset; break;
288 case 8: break;
289 default: assert(0);
290 }
291 break;
292 default:
293 assert(FALSE);
294 }
295 /*
296 * Get the base type, so we know how much to index by.
297 */
298 if (!types_get_info(&type, TI_GET_TYPE, &result->type.id)) return FALSE;
299 result->type.module = type.module;
300 if (index)
301 {
302 DWORD64 length;
303 if (!types_get_info(&result->type, TI_GET_LENGTH, &length)) return FALSE;
304 result->addr.Offset += index * (DWORD)length;
305 }
306 /* FIXME: the following statement is not always true (and can lead to buggy behavior).
307 * There is no way to tell were the deref:ed value is...
308 * For example:
309 * x is a pointer to struct s, x being on the stack
310 * => lvalue is in debuggee, result is in debugger
311 * x is a pointer to struct s, x being optimized into a reg
312 * => lvalue is debugger, result is debuggee
313 * x is a pointer to internal variable x
314 * => lvalue is debugger, result is debuggee
315 * So we always force debuggee address space, because dereferencing pointers to
316 * internal variables is very unlikely. A correct fix would be
317 * rather large.
318 */
319 result->cookie = DLV_TARGET;
320 return TRUE;
321 }
322
323 struct type_find_t
324 {
325 unsigned long result; /* out: the found type */
326 enum SymTagEnum tag; /* in: the tag to look for */
327 union
328 {
329 unsigned long typeid; /* when tag is SymTagUDT */
330 const char* name; /* when tag is SymTagPointerType */
331 } u;
332 };
333
334 static BOOL CALLBACK types_cb(PSYMBOL_INFO sym, ULONG size, void* _user)
335 {
336 struct type_find_t* user = _user;
337 BOOL ret = TRUE;
338 struct dbg_type type;
339 DWORD type_id;
340
341 if (sym->Tag == user->tag)
342 {
343 switch (user->tag)
344 {
345 case SymTagUDT:
346 if (!strcmp(user->u.name, sym->Name))
347 {
348 user->result = sym->TypeIndex;
349 ret = FALSE;
350 }
351 break;
352 case SymTagPointerType:
353 type.module = sym->ModBase;
354 type.id = sym->TypeIndex;
355 if (types_get_info(&type, TI_GET_TYPE, &type_id) && type_id == user->u.typeid)
356 {
357 user->result = sym->TypeIndex;
358 ret = FALSE;
359 }
360 break;
361 default: break;
362 }
363 }
364 return ret;
365 }
366
367 /******************************************************************
368 * types_find_pointer
369 *
370 * Should look up in module based at linear whether (typeid*) exists
371 * Otherwise, we could create it locally
372 */
373 struct dbg_type types_find_pointer(const struct dbg_type* type)
374 {
375 struct type_find_t f;
376 struct dbg_type ret;
377
378 f.result = dbg_itype_none;
379 f.tag = SymTagPointerType;
380 f.u.typeid = type->id;
381 SymEnumTypes(dbg_curr_process->handle, type->module, types_cb, &f);
382 ret.module = type->module;
383 ret.id = f.result;
384 return ret;
385 }
386
387 /******************************************************************
388 * types_find_type
389 *
390 * Should look up in the module based at linear address whether a type
391 * named 'name' and with the correct tag exists
392 */
393 struct dbg_type types_find_type(unsigned long linear, const char* name, enum SymTagEnum tag)
394
395 {
396 struct type_find_t f;
397 struct dbg_type ret;
398
399 f.result = dbg_itype_none;
400 f.tag = tag;
401 f.u.name = name;
402 SymEnumTypes(dbg_curr_process->handle, linear, types_cb, &f);
403 ret.module = linear;
404 ret.id = f.result;
405 return ret;
406 }
407
408 /***********************************************************************
409 * print_value
410 *
411 * Implementation of the 'print' command.
412 */
413 void print_value(const struct dbg_lvalue* lvalue, char format, int level)
414 {
415 struct dbg_type type = lvalue->type;
416 struct dbg_lvalue lvalue_field;
417 int i;
418 DWORD tag;
419 DWORD count;
420 DWORD64 size;
421
422 if (!types_get_real_type(&type, &tag))
423 {
424 WINE_FIXME("---error\n");
425 return;
426 }
427
428 if (type.id == dbg_itype_none)
429 {
430 /* No type, just print the addr value */
431 print_bare_address(&lvalue->addr);
432 goto leave;
433 }
434
435 if (format == 'i' || format == 's' || format == 'w' || format == 'b' || format == 'g')
436 {
437 dbg_printf("Format specifier '%c' is meaningless in 'print' command\n", format);
438 format = '\0';
439 }
440
441 switch (tag)
442 {
443 case SymTagBaseType:
444 case SymTagEnum:
445 case SymTagPointerType:
446 /* FIXME: this in not 100% optimal (as we're going through the typedef handling
447 * stuff again
448 */
449 print_basic(lvalue, format);
450 break;
451 case SymTagUDT:
452 if (types_get_info(&type, TI_GET_CHILDRENCOUNT, &count))
453 {
454 char buffer[sizeof(TI_FINDCHILDREN_PARAMS) + 256 * sizeof(DWORD)];
455 TI_FINDCHILDREN_PARAMS* fcp = (TI_FINDCHILDREN_PARAMS*)buffer;
456 WCHAR* ptr;
457 char tmp[256];
458 long int tmpbuf;
459 struct dbg_type sub_type;
460
461 dbg_printf("{");
462 fcp->Start = 0;
463 while (count)
464 {
465 fcp->Count = min(count, 256);
466 if (types_get_info(&type, TI_FINDCHILDREN, fcp))
467 {
468 for (i = 0; i < min(fcp->Count, count); i++)
469 {
470 ptr = NULL;
471 sub_type.module = type.module;
472 sub_type.id = fcp->ChildId[i];
473 types_get_info(&sub_type, TI_GET_SYMNAME, &ptr);
474 if (!ptr) continue;
475 WideCharToMultiByte(CP_ACP, 0, ptr, -1, tmp, sizeof(tmp), NULL, NULL);
476 dbg_printf("%s=", tmp);
477 HeapFree(GetProcessHeap(), 0, ptr);
478 lvalue_field = *lvalue;
479 if (types_get_udt_element_lvalue(&lvalue_field, &sub_type, &tmpbuf))
480 {
481 print_value(&lvalue_field, format, level + 1);
482 }
483 if (i < min(fcp->Count, count) - 1 || count > 256) dbg_printf(", ");
484 }
485 }
486 count -= min(count, 256);
487 fcp->Start += 256;
488 }
489 dbg_printf("}");
490 }
491 break;
492 case SymTagArrayType:
493 /*
494 * Loop over all of the entries, printing stuff as we go.
495 */
496 count = 1; size = 1;
497 types_get_info(&type, TI_GET_COUNT, &count);
498 types_get_info(&type, TI_GET_LENGTH, &size);
499
500 if (size == count)
501 {
502 unsigned len;
503 char buffer[256];
504 /*
505 * Special handling for character arrays.
506 */
507 /* FIXME should check basic type here (should be a char!!!!)... */
508 len = min(count, sizeof(buffer));
509 memory_get_string(dbg_curr_process,
510 memory_to_linear_addr(&lvalue->addr),
511 lvalue->cookie == DLV_TARGET, TRUE, buffer, len);
512 dbg_printf("\"%s%s\"", buffer, (len < count) ? "..." : "");
513 break;
514 }
515 lvalue_field = *lvalue;
516 types_get_info(&type, TI_GET_TYPE, &lvalue_field.type.id);
517 dbg_printf("{");
518 for (i = 0; i < count; i++)
519 {
520 print_value(&lvalue_field, format, level + 1);
521 lvalue_field.addr.Offset += size / count;
522 dbg_printf((i == count - 1) ? "}" : ", ");
523 }
524 break;
525 case SymTagFunctionType:
526 dbg_printf("Function ");
527 print_bare_address(&lvalue->addr);
528 dbg_printf(": ");
529 types_print_type(&type, FALSE);
530 break;
531 case SymTagTypedef:
532 lvalue_field = *lvalue;
533 types_get_info(&lvalue->type, TI_GET_TYPE, &lvalue_field.type.id);
534 print_value(&lvalue_field, format, level);
535 break;
536 default:
537 WINE_FIXME("Unknown tag (%u)\n", tag);
538 RaiseException(DEBUG_STATUS_INTERNAL_ERROR, 0, 0, NULL);
539 break;
540 }
541
542 leave:
543
544 if (level == 0) dbg_printf("\n");
545 }
546
547 static BOOL CALLBACK print_types_cb(PSYMBOL_INFO sym, ULONG size, void* ctx)
548 {
549 struct dbg_type type;
550 type.module = sym->ModBase;
551 type.id = sym->TypeIndex;
552 dbg_printf("Mod: %08lx ID: %08lx\n", type.module, type.id);
553 types_print_type(&type, TRUE);
554 dbg_printf("\n");
555 return TRUE;
556 }
557
558 static BOOL CALLBACK print_types_mod_cb(PCSTR mod_name, DWORD64 base, PVOID ctx)
559 {
560 return SymEnumTypes(dbg_curr_process->handle, base, print_types_cb, ctx);
561 }
562
563 int print_types(void)
564 {
565 if (!dbg_curr_process)
566 {
567 dbg_printf("No known process, cannot print types\n");
568 return 0;
569 }
570 SymEnumerateModules64(dbg_curr_process->handle, print_types_mod_cb, NULL);
571 return 0;
572 }
573
574 int types_print_type(const struct dbg_type* type, BOOL details)
575 {
576 WCHAR* ptr;
577 char tmp[256];
578 const char* name;
579 DWORD tag, udt, count;
580 struct dbg_type subtype;
581
582 if (type->id == dbg_itype_none || !types_get_info(type, TI_GET_SYMTAG, &tag))
583 {
584 dbg_printf("--invalid--<%lxh>--", type->id);
585 return FALSE;
586 }
587
588 if (types_get_info(type, TI_GET_SYMNAME, &ptr) && ptr)
589 {
590 WideCharToMultiByte(CP_ACP, 0, ptr, -1, tmp, sizeof(tmp), NULL, NULL);
591 name = tmp;
592 HeapFree(GetProcessHeap(), 0, ptr);
593 }
594 else name = "--none--";
595
596 switch (tag)
597 {
598 case SymTagBaseType:
599 if (details) dbg_printf("Basic<%s>", name); else dbg_printf("%s", name);
600 break;
601 case SymTagPointerType:
602 types_get_info(type, TI_GET_TYPE, &subtype.id);
603 subtype.module = type->module;
604 types_print_type(&subtype, FALSE);
605 dbg_printf("*");
606 break;
607 case SymTagUDT:
608 types_get_info(type, TI_GET_UDTKIND, &udt);
609 switch (udt)
610 {
611 case UdtStruct: dbg_printf("struct %s", name); break;
612 case UdtUnion: dbg_printf("union %s", name); break;
613 case UdtClass: dbg_printf("class %s", name); break;
614 default: WINE_ERR("Unsupported UDT type (%d) for %s\n", udt, name); break;
615 }
616 if (details &&
617 types_get_info(type, TI_GET_CHILDRENCOUNT, &count))
618 {
619 char buffer[sizeof(TI_FINDCHILDREN_PARAMS) + 256 * sizeof(DWORD)];
620 TI_FINDCHILDREN_PARAMS* fcp = (TI_FINDCHILDREN_PARAMS*)buffer;
621 WCHAR* ptr;
622 char tmp[256];
623 int i;
624 struct dbg_type type_elt;
625 dbg_printf(" {");
626
627 fcp->Start = 0;
628 while (count)
629 {
630 fcp->Count = min(count, 256);
631 if (types_get_info(type, TI_FINDCHILDREN, fcp))
632 {
633 for (i = 0; i < min(fcp->Count, count); i++)
634 {
635 ptr = NULL;
636 type_elt.module = type->module;
637 type_elt.id = fcp->ChildId[i];
638 types_get_info(&type_elt, TI_GET_SYMNAME, &ptr);
639 if (!ptr) continue;
640 WideCharToMultiByte(CP_ACP, 0, ptr, -1, tmp, sizeof(tmp), NULL, NULL);
641 HeapFree(GetProcessHeap(), 0, ptr);
642 dbg_printf("%s", tmp);
643 if (types_get_info(&type_elt, TI_GET_TYPE, &type_elt.id))
644 {
645 dbg_printf(":");
646 types_print_type(&type_elt, details);
647 }
648 if (i < min(fcp->Count, count) - 1 || count > 256) dbg_printf(", ");
649 }
650 }
651 count -= min(count, 256);
652 fcp->Start += 256;
653 }
654 dbg_printf("}");
655 }
656 break;
657 case SymTagArrayType:
658 types_get_info(type, TI_GET_TYPE, &subtype.id);
659 subtype.module = type->module;
660 types_print_type(&subtype, details);
661 if (types_get_info(type, TI_GET_COUNT, &count))
662 dbg_printf(" %s[%d]", name, count);
663 else
664 dbg_printf(" %s[]", name);
665 break;
666 case SymTagEnum:
667 dbg_printf("enum %s", name);
668 break;
669 case SymTagFunctionType:
670 types_get_info(type, TI_GET_TYPE, &subtype.id);
671 /* is the returned type the same object as function sig itself ? */
672 if (subtype.id != type->id)
673 {
674 subtype.module = type->module;
675 types_print_type(&subtype, FALSE);
676 }
677 else
678 {
679 dbg_printf("<ret_type=self>");
680 }
681 dbg_printf(" (*%s)(", name);
682 if (types_get_info(type, TI_GET_CHILDRENCOUNT, &count))
683 {
684 char buffer[sizeof(TI_FINDCHILDREN_PARAMS) + 256 * sizeof(DWORD)];
685 TI_FINDCHILDREN_PARAMS* fcp = (TI_FINDCHILDREN_PARAMS*)buffer;
686 int i;
687
688 fcp->Start = 0;
689 if (!count) dbg_printf("void");
690 else while (count)
691 {
692 fcp->Count = min(count, 256);
693 if (types_get_info(type, TI_FINDCHILDREN, fcp))
694 {
695 for (i = 0; i < min(fcp->Count, count); i++)
696 {
697 subtype.id = fcp->ChildId[i];
698 types_get_info(&subtype, TI_GET_TYPE, &subtype.id);
699 types_print_type(&subtype, FALSE);
700 if (i < min(fcp->Count, count) - 1 || count > 256) dbg_printf(", ");
701 }
702 }
703 count -= min(count, 256);
704 fcp->Start += 256;
705 }
706 }
707 dbg_printf(")");
708 break;
709 case SymTagTypedef:
710 dbg_printf("%s", name);
711 break;
712 default:
713 WINE_ERR("Unknown type %u for %s\n", tag, name);
714 break;
715 }
716
717 return TRUE;
718 }
719
720 /* helper to typecast pInfo to its expected type (_t) */
721 #define X(_t) (*((_t*)pInfo))
722
723 BOOL types_get_info(const struct dbg_type* type, IMAGEHLP_SYMBOL_TYPE_INFO ti, void* pInfo)
724 {
725 if (type->id == dbg_itype_none) return FALSE;
726 if (type->module != 0)
727 {
728 DWORD ret, tag, bt;
729 ret = SymGetTypeInfo(dbg_curr_process->handle, type->module, type->id, ti, pInfo);
730 if (!ret &&
731 SymGetTypeInfo(dbg_curr_process->handle, type->module, type->id, TI_GET_SYMTAG, &tag) &&
732 tag == SymTagBaseType &&
733 SymGetTypeInfo(dbg_curr_process->handle, type->module, type->id, TI_GET_BASETYPE, &bt))
734 {
735 static const WCHAR voidW[] = {'v','o','i','d','\0'};
736 static const WCHAR charW[] = {'c','h','a','r','\0'};
737 static const WCHAR wcharW[] = {'W','C','H','A','R','\0'};
738 static const WCHAR intW[] = {'i','n','t','\0'};
739 static const WCHAR uintW[] = {'u','n','s','i','g','n','e','d',' ','i','n','t','\0'};
740 static const WCHAR floatW[] = {'f','l','o','a','t','\0'};
741 static const WCHAR boolW[] = {'b','o','o','l','\0'};
742 static const WCHAR longW[] = {'l','o','n','g',' ','i','n','t','\0'};
743 static const WCHAR ulongW[] = {'u','n','s','i','g','n','e','d',' ','l','o','n','g',' ','i','n','t','\0'};
744 static const WCHAR complexW[] = {'c','o','m','p','l','e','x','\0'};
745 const WCHAR* name = NULL;
746
747 switch (bt)
748 {
749 case btVoid: name = voidW; break;
750 case btChar: name = charW; break;
751 case btWChar: name = wcharW; break;
752 case btInt: name = intW; break;
753 case btUInt: name = uintW; break;
754 case btFloat: name = floatW; break;
755 case btBool: name = boolW; break;
756 case btLong: name = longW; break;
757 case btULong: name = ulongW; break;
758 case btComplex: name = complexW; break;
759 default: WINE_FIXME("Unsupported basic type %u\n", bt); return FALSE;
760 }
761 X(WCHAR*) = HeapAlloc(GetProcessHeap(), 0, (lstrlenW(name) + 1) * sizeof(WCHAR));
762 if (X(WCHAR*))
763 {
764 lstrcpyW(X(WCHAR*), name);
765 ret = TRUE;
766 }
767 }
768 return ret;
769 }
770
771 assert(type->id >= dbg_itype_first);
772
773 switch (type->id)
774 {
775 case dbg_itype_unsigned_long_int:
776 switch (ti)
777 {
778 case TI_GET_SYMTAG: X(DWORD) = SymTagBaseType; break;
779 case TI_GET_LENGTH: X(DWORD64) = ADDRSIZE; break;
780 case TI_GET_BASETYPE: X(DWORD) = btUInt; break;
781 default: WINE_FIXME("unsupported %u for u-long int\n", ti); return FALSE;
782 }
783 break;
784 case dbg_itype_signed_long_int:
785 switch (ti)
786 {
787 case TI_GET_SYMTAG: X(DWORD) = SymTagBaseType; break;
788 case TI_GET_LENGTH: X(DWORD64) = ADDRSIZE; break;
789 case TI_GET_BASETYPE: X(DWORD) = btInt; break;
790 default: WINE_FIXME("unsupported %u for s-long int\n", ti); return FALSE;
791 }
792 break;
793 case dbg_itype_unsigned_int:
794 switch (ti)
795 {
796 case TI_GET_SYMTAG: X(DWORD) = SymTagBaseType; break;
797 case TI_GET_LENGTH: X(DWORD64) = 4; break;
798 case TI_GET_BASETYPE: X(DWORD) = btUInt; break;
799 default: WINE_FIXME("unsupported %u for u-int\n", ti); return FALSE;
800 }
801 break;
802 case dbg_itype_signed_int:
803 switch (ti)
804 {
805 case TI_GET_SYMTAG: X(DWORD) = SymTagBaseType; break;
806 case TI_GET_LENGTH: X(DWORD64) = 4; break;
807 case TI_GET_BASETYPE: X(DWORD) = btInt; break;
808 default: WINE_FIXME("unsupported %u for s-int\n", ti); return FALSE;
809 }
810 break;
811 case dbg_itype_unsigned_short_int:
812 switch (ti)
813 {
814 case TI_GET_SYMTAG: X(DWORD) = SymTagBaseType; break;
815 case TI_GET_LENGTH: X(DWORD64) = 2; break;
816 case TI_GET_BASETYPE: X(DWORD) = btUInt; break;
817 default: WINE_FIXME("unsupported %u for u-short int\n", ti); return FALSE;
818 }
819 break;
820 case dbg_itype_signed_short_int:
821 switch (ti)
822 {
823 case TI_GET_SYMTAG: X(DWORD) = SymTagBaseType; break;
824 case TI_GET_LENGTH: X(DWORD64) = 2; break;
825 case TI_GET_BASETYPE: X(DWORD) = btInt; break;
826 default: WINE_FIXME("unsupported %u for s-short int\n", ti); return FALSE;
827 }
828 break;
829 case dbg_itype_unsigned_char_int:
830 switch (ti)
831 {
832 case TI_GET_SYMTAG: X(DWORD) = SymTagBaseType; break;
833 case TI_GET_LENGTH: X(DWORD64) = 1; break;
834 case TI_GET_BASETYPE: X(DWORD) = btUInt; break;
835 default: WINE_FIXME("unsupported %u for u-char int\n", ti); return FALSE;
836 }
837 break;
838 case dbg_itype_signed_char_int:
839 switch (ti)
840 {
841 case TI_GET_SYMTAG: X(DWORD) = SymTagBaseType; break;
842 case TI_GET_LENGTH: X(DWORD64) = 1; break;
843 case TI_GET_BASETYPE: X(DWORD) = btInt; break;
844 default: WINE_FIXME("unsupported %u for s-char int\n", ti); return FALSE;
845 }
846 break;
847 case dbg_itype_char:
848 switch (ti)
849 {
850 case TI_GET_SYMTAG: X(DWORD) = SymTagBaseType; break;
851 case TI_GET_LENGTH: X(DWORD64) = 1; break;
852 case TI_GET_BASETYPE: X(DWORD) = btChar; break;
853 default: WINE_FIXME("unsupported %u for char int\n", ti); return FALSE;
854 }
855 break;
856 case dbg_itype_astring:
857 switch (ti)
858 {
859 case TI_GET_SYMTAG: X(DWORD) = SymTagPointerType; break;
860 case TI_GET_LENGTH: X(DWORD64) = ADDRSIZE; break;
861 case TI_GET_TYPE: X(DWORD) = dbg_itype_char; break;
862 default: WINE_FIXME("unsupported %u for a string\n", ti); return FALSE;
863 }
864 break;
865 case dbg_itype_segptr:
866 switch (ti)
867 {
868 case TI_GET_SYMTAG: X(DWORD) = SymTagBaseType; break;
869 case TI_GET_LENGTH: X(DWORD64) = 4; break;
870 case TI_GET_BASETYPE: X(DWORD) = btInt; break;
871 default: WINE_FIXME("unsupported %u for seg-ptr\n", ti); return FALSE;
872 }
873 break;
874 default: WINE_FIXME("unsupported type id 0x%lx\n", type->id);
875 }
876
877 #undef X
878 return TRUE;
879 }
GSOC 2012 project to enhance the control panel