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[reactos.git] / dll / win32 / dbghelp / stack.c
1 /*
2 * Stack walking
3 *
4 * Copyright 1995 Alexandre Julliard
5 * Copyright 1996 Eric Youngdale
6 * Copyright 1999 Ove Kåven
7 * Copyright 2004 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 #include "config.h"
25 #include <stdlib.h>
26 #include <stdio.h>
27 #include <string.h>
28 #include <assert.h>
29
30 #include "ntstatus.h"
31 #define WIN32_NO_STATUS
32 #include "dbghelp_private.h"
33 #include "winternl.h"
34 #include "wine/winbase16.h"
35 #include "wine/debug.h"
36
37 WINE_DEFAULT_DEBUG_CHANNEL(dbghelp);
38
39 enum st_mode {stm_start, stm_32bit, stm_16bit, stm_done};
40
41 static const char* wine_dbgstr_addr(const ADDRESS* addr)
42 {
43 if (!addr) return "(null)";
44 switch (addr->Mode)
45 {
46 case AddrModeFlat:
47 return wine_dbg_sprintf("flat<%08x>", addr->Offset);
48 case AddrMode1616:
49 return wine_dbg_sprintf("1616<%04x:%04x>", addr->Segment, addr->Offset);
50 case AddrMode1632:
51 return wine_dbg_sprintf("1632<%04x:%08x>", addr->Segment, addr->Offset);
52 case AddrModeReal:
53 return wine_dbg_sprintf("real<%04x:%04x>", addr->Segment, addr->Offset);
54 default:
55 return "unknown";
56 }
57 }
58
59 static BOOL CALLBACK read_mem(HANDLE hProcess, DWORD addr, void* buffer,
60 DWORD size, LPDWORD nread)
61 {
62 SIZE_T r;
63 if (!ReadProcessMemory(hProcess, (void*)addr, buffer, size, &r)) return FALSE;
64 if (nread) *nread = r;
65 return TRUE;
66 }
67
68 static BOOL CALLBACK read_mem64(HANDLE hProcess, DWORD64 addr, void* buffer,
69 DWORD size, LPDWORD nread)
70 {
71 SIZE_T r;
72 if (!ReadProcessMemory(hProcess, (void*)(DWORD_PTR)addr, buffer, size, &r)) return FALSE;
73 if (nread) *nread = r;
74 return TRUE;
75 }
76
77 /* indexes in Reserved array */
78 #define __CurrentMode 0
79 #define __CurrentSwitch 1
80 #define __NextSwitch 2
81
82 #define curr_mode (frame->Reserved[__CurrentMode])
83 #define curr_switch (frame->Reserved[__CurrentSwitch])
84 #define next_switch (frame->Reserved[__NextSwitch])
85
86 struct stack_walk_callback
87 {
88 HANDLE hProcess;
89 HANDLE hThread;
90 BOOL is32;
91 union
92 {
93 struct
94 {
95 PREAD_PROCESS_MEMORY_ROUTINE f_read_mem;
96 PTRANSLATE_ADDRESS_ROUTINE f_xlat_adr;
97 PFUNCTION_TABLE_ACCESS_ROUTINE f_tabl_acs;
98 PGET_MODULE_BASE_ROUTINE f_modl_bas;
99 } s32;
100 struct
101 {
102 PREAD_PROCESS_MEMORY_ROUTINE64 f_read_mem;
103 PTRANSLATE_ADDRESS_ROUTINE64 f_xlat_adr;
104 PFUNCTION_TABLE_ACCESS_ROUTINE64 f_tabl_acs;
105 PGET_MODULE_BASE_ROUTINE64 f_modl_bas;
106 } s64;
107 } u;
108 };
109
110 static inline void addr_32to64(const ADDRESS* addr32, ADDRESS64* addr64)
111 {
112 addr64->Offset = (ULONG64)addr32->Offset;
113 addr64->Segment = addr32->Segment;
114 addr64->Mode = addr32->Mode;
115 }
116
117 static inline void addr_64to32(const ADDRESS64* addr64, ADDRESS* addr32)
118 {
119 addr32->Offset = (ULONG)addr64->Offset;
120 addr32->Segment = addr64->Segment;
121 addr32->Mode = addr64->Mode;
122 }
123
124 static inline BOOL sw_read_mem(struct stack_walk_callback* cb, DWORD addr, void* ptr, DWORD sz)
125 {
126 if (cb->is32)
127 return cb->u.s32.f_read_mem(cb->hProcess, addr, ptr, sz, NULL);
128 else
129 return cb->u.s64.f_read_mem(cb->hProcess, addr, ptr, sz, NULL);
130 }
131
132 static inline DWORD sw_xlat_addr(struct stack_walk_callback* cb, ADDRESS* addr)
133 {
134 if (addr->Mode == AddrModeFlat) return addr->Offset;
135 if (cb->is32) return cb->u.s32.f_xlat_adr(cb->hProcess, cb->hThread, addr);
136 if (cb->u.s64.f_xlat_adr)
137 {
138 ADDRESS64 addr64;
139
140 addr_32to64(addr, &addr64);
141 return cb->u.s64.f_xlat_adr(cb->hProcess, cb->hThread, &addr64);
142 }
143 return addr_to_linear(cb->hProcess, cb->hThread, addr);
144 }
145
146 static inline void* sw_tabl_acs(struct stack_walk_callback* cb, DWORD addr)
147 {
148 if (cb->is32)
149 return cb->u.s32.f_tabl_acs(cb->hProcess, addr);
150 else
151 return cb->u.s64.f_tabl_acs(cb->hProcess, addr);
152 }
153
154 static inline DWORD sw_modl_bas(struct stack_walk_callback* cb, DWORD addr)
155 {
156 if (cb->is32)
157 return cb->u.s32.f_modl_bas(cb->hProcess, addr);
158 else
159 return cb->u.s64.f_modl_bas(cb->hProcess, addr);
160 }
161
162 static BOOL stack_walk(struct stack_walk_callback* cb, LPSTACKFRAME frame)
163 {
164 STACK32FRAME frame32;
165 STACK16FRAME frame16;
166 char ch;
167 ADDRESS tmp;
168 DWORD p;
169 WORD val;
170 BOOL do_switch;
171
172 /* sanity check */
173 if (curr_mode >= stm_done) return FALSE;
174
175 TRACE("Enter: PC=%s Frame=%s Return=%s Stack=%s Mode=%s cSwitch=%08x nSwitch=%08x\n",
176 wine_dbgstr_addr(&frame->AddrPC),
177 wine_dbgstr_addr(&frame->AddrFrame),
178 wine_dbgstr_addr(&frame->AddrReturn),
179 wine_dbgstr_addr(&frame->AddrStack),
180 curr_mode == stm_start ? "start" : (curr_mode == stm_16bit ? "16bit" : "32bit"),
181 curr_switch, next_switch);
182
183 if (curr_mode == stm_start)
184 {
185 THREAD_BASIC_INFORMATION info;
186
187 if ((frame->AddrPC.Mode == AddrModeFlat) &&
188 (frame->AddrFrame.Mode != AddrModeFlat))
189 {
190 WARN("Bad AddrPC.Mode / AddrFrame.Mode combination\n");
191 goto done_err;
192 }
193
194 /* Init done */
195 curr_mode = (frame->AddrPC.Mode == AddrModeFlat) ?
196 stm_32bit : stm_16bit;
197
198 /* cur_switch holds address of WOW32Reserved field in TEB in debuggee
199 * address space
200 */
201 if (NtQueryInformationThread(cb->hThread, ThreadBasicInformation, &info,
202 sizeof(info), NULL) == STATUS_SUCCESS)
203 {
204 curr_switch = (unsigned long)info.TebBaseAddress + FIELD_OFFSET(TEB, WOW32Reserved);
205 if (!sw_read_mem(cb, curr_switch, &next_switch, sizeof(next_switch)))
206 {
207 WARN("Can't read TEB:WOW32Reserved\n");
208 goto done_err;
209 }
210 if (curr_mode == stm_16bit)
211 {
212 if (!sw_read_mem(cb, next_switch, &frame32, sizeof(frame32)))
213 {
214 WARN("Bad stack frame 0x%08x\n", next_switch);
215 goto done_err;
216 }
217 curr_switch = (DWORD)frame32.frame16;
218 tmp.Mode = AddrMode1616;
219 tmp.Segment = SELECTOROF(curr_switch);
220 tmp.Offset = OFFSETOF(curr_switch);
221 if (!sw_read_mem(cb, sw_xlat_addr(cb, &tmp), &ch, sizeof(ch)))
222 curr_switch = 0xFFFFFFFF;
223 }
224 else
225 {
226 tmp.Mode = AddrMode1616;
227 tmp.Segment = SELECTOROF(next_switch);
228 tmp.Offset = OFFSETOF(next_switch);
229 p = sw_xlat_addr(cb, &tmp);
230 if (!sw_read_mem(cb, p, &frame16, sizeof(frame16)))
231 {
232 WARN("Bad stack frame 0x%08x\n", p);
233 goto done_err;
234 }
235 curr_switch = (DWORD)frame16.frame32;
236
237 if (!sw_read_mem(cb, curr_switch, &ch, sizeof(ch)))
238 curr_switch = 0xFFFFFFFF;
239 }
240 }
241 else
242 /* FIXME: this will allow to work when we're not attached to a live target,
243 * but the 16 <=> 32 switch facility won't be available.
244 */
245 curr_switch = 0;
246 frame->AddrReturn.Mode = frame->AddrStack.Mode = (curr_mode == stm_16bit) ? AddrMode1616 : AddrModeFlat;
247 /* don't set up AddrStack on first call. Either the caller has set it up, or
248 * we will get it in the next frame
249 */
250 memset(&frame->AddrBStore, 0, sizeof(frame->AddrBStore));
251 }
252 else
253 {
254 if (frame->AddrFrame.Offset == 0) goto done_err;
255 if (frame->AddrFrame.Mode == AddrModeFlat)
256 {
257 assert(curr_mode == stm_32bit);
258 do_switch = curr_switch && frame->AddrFrame.Offset >= curr_switch;
259 }
260 else
261 {
262 assert(curr_mode == stm_16bit);
263 do_switch = curr_switch &&
264 frame->AddrFrame.Segment == SELECTOROF(curr_switch) &&
265 frame->AddrFrame.Offset >= OFFSETOF(curr_switch);
266 }
267
268 if (do_switch)
269 {
270 if (curr_mode == stm_16bit)
271 {
272 if (!sw_read_mem(cb, next_switch, &frame32, sizeof(frame32)))
273 {
274 WARN("Bad stack frame 0x%08x\n", next_switch);
275 goto done_err;
276 }
277
278 frame->AddrPC.Mode = AddrModeFlat;
279 frame->AddrPC.Segment = 0;
280 frame->AddrPC.Offset = frame32.retaddr;
281 frame->AddrFrame.Mode = AddrModeFlat;
282 frame->AddrFrame.Segment = 0;
283 frame->AddrFrame.Offset = frame32.ebp;
284
285 frame->AddrStack.Mode = AddrModeFlat;
286 frame->AddrStack.Segment = 0;
287 frame->AddrReturn.Mode = AddrModeFlat;
288 frame->AddrReturn.Segment = 0;
289
290 next_switch = curr_switch;
291 tmp.Mode = AddrMode1616;
292 tmp.Segment = SELECTOROF(next_switch);
293 tmp.Offset = OFFSETOF(next_switch);
294 p = sw_xlat_addr(cb, &tmp);
295
296 if (!sw_read_mem(cb, p, &frame16, sizeof(frame16)))
297 {
298 WARN("Bad stack frame 0x%08x\n", p);
299 goto done_err;
300 }
301 curr_switch = (DWORD)frame16.frame32;
302 curr_mode = stm_32bit;
303 if (!sw_read_mem(cb, curr_switch, &ch, sizeof(ch)))
304 curr_switch = 0;
305 }
306 else
307 {
308 tmp.Mode = AddrMode1616;
309 tmp.Segment = SELECTOROF(next_switch);
310 tmp.Offset = OFFSETOF(next_switch);
311 p = sw_xlat_addr(cb, &tmp);
312
313 if (!sw_read_mem(cb, p, &frame16, sizeof(frame16)))
314 {
315 WARN("Bad stack frame 0x%08x\n", p);
316 goto done_err;
317 }
318
319 TRACE("Got a 16 bit stack switch:"
320 "\n\tframe32: %08lx"
321 "\n\tedx:%08x ecx:%08x ebp:%08x"
322 "\n\tds:%04x es:%04x fs:%04x gs:%04x"
323 "\n\tcall_from_ip:%08x module_cs:%04x relay=%08x"
324 "\n\tentry_ip:%04x entry_point:%08x"
325 "\n\tbp:%04x ip:%04x cs:%04x\n",
326 (unsigned long)frame16.frame32,
327 frame16.edx, frame16.ecx, frame16.ebp,
328 frame16.ds, frame16.es, frame16.fs, frame16.gs,
329 frame16.callfrom_ip, frame16.module_cs, frame16.relay,
330 frame16.entry_ip, frame16.entry_point,
331 frame16.bp, frame16.ip, frame16.cs);
332
333
334 frame->AddrPC.Mode = AddrMode1616;
335 frame->AddrPC.Segment = frame16.cs;
336 frame->AddrPC.Offset = frame16.ip;
337
338 frame->AddrFrame.Mode = AddrMode1616;
339 frame->AddrFrame.Segment = SELECTOROF(next_switch);
340 frame->AddrFrame.Offset = frame16.bp;
341
342 frame->AddrStack.Mode = AddrMode1616;
343 frame->AddrStack.Segment = SELECTOROF(next_switch);
344
345 frame->AddrReturn.Mode = AddrMode1616;
346 frame->AddrReturn.Segment = frame16.cs;
347
348 next_switch = curr_switch;
349 if (!sw_read_mem(cb, next_switch, &frame32, sizeof(frame32)))
350 {
351 WARN("Bad stack frame 0x%08x\n", next_switch);
352 goto done_err;
353 }
354 curr_switch = (DWORD)frame32.frame16;
355 tmp.Mode = AddrMode1616;
356 tmp.Segment = SELECTOROF(curr_switch);
357 tmp.Offset = OFFSETOF(curr_switch);
358
359 if (!sw_read_mem(cb, sw_xlat_addr(cb, &tmp), &ch, sizeof(ch)))
360 curr_switch = 0;
361 curr_mode = stm_16bit;
362 }
363 }
364 else
365 {
366 frame->AddrPC = frame->AddrReturn;
367 if (curr_mode == stm_16bit)
368 {
369 frame->AddrStack.Offset = frame->AddrFrame.Offset + 2 * sizeof(WORD);
370 /* "pop up" previous BP value */
371 if (!sw_read_mem(cb, sw_xlat_addr(cb, &frame->AddrFrame),
372 &val, sizeof(WORD)))
373 goto done_err;
374 frame->AddrFrame.Offset = val;
375 }
376 else
377 {
378 frame->AddrStack.Offset = frame->AddrFrame.Offset + 2 * sizeof(DWORD);
379 /* "pop up" previous EBP value */
380 if (!sw_read_mem(cb, frame->AddrFrame.Offset,
381 &frame->AddrFrame.Offset, sizeof(DWORD)))
382 goto done_err;
383 }
384 }
385 }
386
387 if (curr_mode == stm_16bit)
388 {
389 unsigned int i;
390
391 p = sw_xlat_addr(cb, &frame->AddrFrame);
392 if (!sw_read_mem(cb, p + sizeof(WORD), &val, sizeof(WORD)))
393 goto done_err;
394 frame->AddrReturn.Offset = val;
395 /* get potential cs if a far call was used */
396 if (!sw_read_mem(cb, p + 2 * sizeof(WORD), &val, sizeof(WORD)))
397 goto done_err;
398 if (frame->AddrFrame.Offset & 1)
399 frame->AddrReturn.Segment = val; /* far call assumed */
400 else
401 {
402 /* not explicitly marked as far call,
403 * but check whether it could be anyway
404 */
405 if ((val & 7) == 7 && val != frame->AddrReturn.Segment)
406 {
407 LDT_ENTRY le;
408
409 if (GetThreadSelectorEntry(cb->hThread, val, &le) &&
410 (le.HighWord.Bits.Type & 0x08)) /* code segment */
411 {
412 /* it is very uncommon to push a code segment cs as
413 * a parameter, so this should work in most cases
414 */
415 frame->AddrReturn.Segment = val;
416 }
417 }
418 }
419 frame->AddrFrame.Offset &= ~1;
420 /* we "pop" parameters as 16 bit entities... of course, this won't
421 * work if the parameter is in fact bigger than 16bit, but
422 * there's no way to know that here
423 */
424 for (i = 0; i < sizeof(frame->Params) / sizeof(frame->Params[0]); i++)
425 {
426 sw_read_mem(cb, p + (2 + i) * sizeof(WORD), &val, sizeof(val));
427 frame->Params[i] = val;
428 }
429 }
430 else
431 {
432 if (!sw_read_mem(cb, frame->AddrFrame.Offset + sizeof(DWORD),
433 &frame->AddrReturn.Offset, sizeof(DWORD)))
434 {
435 WARN("Cannot read new frame offset %08x\n", frame->AddrFrame.Offset + (int)sizeof(DWORD));
436 goto done_err;
437 }
438 sw_read_mem(cb, frame->AddrFrame.Offset + 2 * sizeof(DWORD),
439 frame->Params, sizeof(frame->Params));
440 }
441
442 frame->Far = TRUE;
443 frame->Virtual = TRUE;
444 p = sw_xlat_addr(cb, &frame->AddrPC);
445 if (p && sw_modl_bas(cb, p))
446 frame->FuncTableEntry = sw_tabl_acs(cb, p);
447 else
448 frame->FuncTableEntry = NULL;
449
450 TRACE("Leave: PC=%s Frame=%s Return=%s Stack=%s Mode=%s cSwitch=%08x nSwitch=%08x FuncTable=%p\n",
451 wine_dbgstr_addr(&frame->AddrPC),
452 wine_dbgstr_addr(&frame->AddrFrame),
453 wine_dbgstr_addr(&frame->AddrReturn),
454 wine_dbgstr_addr(&frame->AddrStack),
455 curr_mode == stm_start ? "start" : (curr_mode == stm_16bit ? "16bit" : "32bit"),
456 curr_switch, next_switch, frame->FuncTableEntry);
457
458 return TRUE;
459 done_err:
460 curr_mode = stm_done;
461 return FALSE;
462 }
463
464 /***********************************************************************
465 * StackWalk (DBGHELP.@)
466 */
467 BOOL WINAPI StackWalk(DWORD MachineType, HANDLE hProcess, HANDLE hThread,
468 LPSTACKFRAME frame, PVOID ctx,
469 PREAD_PROCESS_MEMORY_ROUTINE f_read_mem,
470 PFUNCTION_TABLE_ACCESS_ROUTINE FunctionTableAccessRoutine,
471 PGET_MODULE_BASE_ROUTINE GetModuleBaseRoutine,
472 PTRANSLATE_ADDRESS_ROUTINE f_xlat_adr)
473 {
474 struct stack_walk_callback swcb;
475
476 TRACE("(%d, %p, %p, %p, %p, %p, %p, %p, %p)\n",
477 MachineType, hProcess, hThread, frame, ctx,
478 f_read_mem, FunctionTableAccessRoutine,
479 GetModuleBaseRoutine, f_xlat_adr);
480
481 if (MachineType != IMAGE_FILE_MACHINE_I386)
482 {
483 SetLastError(ERROR_INVALID_PARAMETER);
484 return FALSE;
485 }
486
487 swcb.hProcess = hProcess;
488 swcb.hThread = hThread;
489 swcb.is32 = TRUE;
490 /* sigh... MS isn't even consistent in the func prototypes */
491 swcb.u.s32.f_read_mem = (f_read_mem) ? f_read_mem : read_mem;
492 swcb.u.s32.f_xlat_adr = (f_xlat_adr) ? f_xlat_adr : addr_to_linear;
493 swcb.u.s32.f_tabl_acs = (FunctionTableAccessRoutine) ? FunctionTableAccessRoutine : SymFunctionTableAccess;
494 swcb.u.s32.f_modl_bas = (GetModuleBaseRoutine) ? GetModuleBaseRoutine : SymGetModuleBase;
495
496 return stack_walk(&swcb, frame);
497 }
498
499
500 /***********************************************************************
501 * StackWalk64 (DBGHELP.@)
502 */
503 BOOL WINAPI StackWalk64(DWORD MachineType, HANDLE hProcess, HANDLE hThread,
504 LPSTACKFRAME64 frame64, PVOID ctx,
505 PREAD_PROCESS_MEMORY_ROUTINE64 f_read_mem,
506 PFUNCTION_TABLE_ACCESS_ROUTINE64 FunctionTableAccessRoutine,
507 PGET_MODULE_BASE_ROUTINE64 GetModuleBaseRoutine,
508 PTRANSLATE_ADDRESS_ROUTINE64 f_xlat_adr)
509 {
510 struct stack_walk_callback swcb;
511 STACKFRAME frame32;
512 BOOL ret;
513
514 TRACE("(%d, %p, %p, %p, %p, %p, %p, %p, %p)\n",
515 MachineType, hProcess, hThread, frame64, ctx,
516 f_read_mem, FunctionTableAccessRoutine,
517 GetModuleBaseRoutine, f_xlat_adr);
518
519 if (MachineType != IMAGE_FILE_MACHINE_I386)
520 {
521 SetLastError(ERROR_INVALID_PARAMETER);
522 return FALSE;
523 }
524
525 addr_64to32(&frame64->AddrPC, &frame32.AddrPC);
526 addr_64to32(&frame64->AddrReturn, &frame32.AddrReturn);
527 addr_64to32(&frame64->AddrFrame, &frame32.AddrFrame);
528 addr_64to32(&frame64->AddrStack, &frame32.AddrStack);
529 addr_64to32(&frame64->AddrBStore, &frame32.AddrBStore);
530 frame32.FuncTableEntry = frame64->FuncTableEntry; /* FIXME */
531 frame32.Far = frame64->Far;
532 frame32.Virtual = frame64->Virtual;
533 frame32.Reserved[0] = (ULONG)frame64->Reserved[0];
534 frame32.Reserved[1] = (ULONG)frame64->Reserved[1];
535 frame32.Reserved[2] = (ULONG)frame64->Reserved[2];
536 /* we don't handle KdHelp */
537
538 swcb.hProcess = hProcess;
539 swcb.hThread = hThread;
540 swcb.is32 = FALSE;
541 /* sigh... MS isn't even consistent in the func prototypes */
542 swcb.u.s64.f_read_mem = (f_read_mem) ? f_read_mem : read_mem64;
543 swcb.u.s64.f_xlat_adr = f_xlat_adr;
544 swcb.u.s64.f_tabl_acs = (FunctionTableAccessRoutine) ? FunctionTableAccessRoutine : SymFunctionTableAccess64;
545 swcb.u.s64.f_modl_bas = (GetModuleBaseRoutine) ? GetModuleBaseRoutine : SymGetModuleBase64;
546
547 ret = stack_walk(&swcb, &frame32);
548
549 addr_32to64(&frame32.AddrPC, &frame64->AddrPC);
550 addr_32to64(&frame32.AddrReturn, &frame64->AddrReturn);
551 addr_32to64(&frame32.AddrFrame, &frame64->AddrFrame);
552 addr_32to64(&frame32.AddrStack, &frame64->AddrStack);
553 addr_32to64(&frame32.AddrBStore, &frame64->AddrBStore);
554 frame64->FuncTableEntry = frame32.FuncTableEntry; /* FIXME */
555 frame64->Params[0] = frame32.Params[0];
556 frame64->Params[1] = frame32.Params[1];
557 frame64->Params[2] = frame32.Params[2];
558 frame64->Params[3] = frame32.Params[3];
559 frame64->Far = frame32.Far;
560 frame64->Virtual = frame32.Virtual;
561 frame64->Reserved[0] = frame32.Reserved[0];
562 frame64->Reserved[1] = frame32.Reserved[1];
563 frame64->Reserved[2] = frame32.Reserved[2];
564 /* we don't handle KdHelp */
565 frame64->KdHelp.Thread = 0xC000FADE;
566 frame64->KdHelp.ThCallbackStack = 0x10;
567 frame64->KdHelp.ThCallbackBStore = 0;
568 frame64->KdHelp.NextCallback = 0;
569 frame64->KdHelp.FramePointer = 0;
570 frame64->KdHelp.KiCallUserMode = 0xD000DAFE;
571 frame64->KdHelp.KeUserCallbackDispatcher = 0xE000F000;
572 frame64->KdHelp.SystemRangeStart = 0xC0000000;
573 frame64->KdHelp.Reserved[0] /* KiUserExceptionDispatcher */ = 0xE0005000;
574
575 return ret;
576 }
577
578 /******************************************************************
579 * SymRegisterFunctionEntryCallback (DBGHELP.@)
580 *
581 *
582 */
583 BOOL WINAPI SymRegisterFunctionEntryCallback(HANDLE hProc,
584 PSYMBOL_FUNCENTRY_CALLBACK cb, PVOID user)
585 {
586 FIXME("(%p %p %p): stub!\n", hProc, cb, user);
587 SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
588 return FALSE;
589 }
590
591 /******************************************************************
592 * SymRegisterFunctionEntryCallback64 (DBGHELP.@)
593 *
594 *
595 */
596 BOOL WINAPI SymRegisterFunctionEntryCallback64(HANDLE hProc,
597 PSYMBOL_FUNCENTRY_CALLBACK64 cb,
598 ULONG64 user)
599 {
600 FIXME("(%p %p %s): stub!\n", hProc, cb, wine_dbgstr_longlong(user));
601 SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
602 return FALSE;
603 }
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