?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
push 38a8c0aff9170390b5a3ded41e7cf5b02f3a73d8
[wine/hacks.git] / dlls / ntdll / tests / exception.c
blob9149b6961764dec31a0af5cd3b93ab3072703dbb
1 /*
2 * Unit test suite for ntdll exceptions
3 *
4 * Copyright 2005 Alexandre Julliard
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
21 #include <stdarg.h>
22 #include <stdio.h>
23
24 #ifndef _WIN32_WINNT
25 #define _WIN32_WINNT 0x500 /* For NTSTATUS */
26 #endif
27
28 #define NONAMELESSUNION
29 #define NONAMELESSSTRUCT
30 #include "ntstatus.h"
31 #define WIN32_NO_STATUS
32 #include "windef.h"
33 #include "winbase.h"
34 #include "winnt.h"
35 #include "winreg.h"
36 #include "winternl.h"
37 #include "excpt.h"
38 #include "wine/test.h"
39
40 static void *code_mem;
41
42 static struct _TEB * (WINAPI *pNtCurrentTeb)(void);
43 static NTSTATUS (WINAPI *pNtGetContextThread)(HANDLE,CONTEXT*);
44 static NTSTATUS (WINAPI *pNtSetContextThread)(HANDLE,CONTEXT*);
45 static NTSTATUS (WINAPI *pRtlRaiseException)(EXCEPTION_RECORD *rec);
46 static PVOID (WINAPI *pRtlAddVectoredExceptionHandler)(ULONG first, PVECTORED_EXCEPTION_HANDLER func);
47 static ULONG (WINAPI *pRtlRemoveVectoredExceptionHandler)(PVOID handler);
48 static NTSTATUS (WINAPI *pNtReadVirtualMemory)(HANDLE, const void*, void*, SIZE_T, SIZE_T*);
49 static NTSTATUS (WINAPI *pNtTerminateProcess)(HANDLE handle, LONG exit_code);
50 static NTSTATUS (WINAPI *pNtQueryInformationProcess)(HANDLE, PROCESSINFOCLASS, PVOID, ULONG, PULONG);
51 static NTSTATUS (WINAPI *pNtSetInformationProcess)(HANDLE, PROCESSINFOCLASS, PVOID, ULONG);
52
53 #ifdef __i386__
54
55 #ifndef __WINE_WINTRNL_H
56 #define ProcessExecuteFlags 0x22
57 #define MEM_EXECUTE_OPTION_DISABLE 0x01
58 #define MEM_EXECUTE_OPTION_ENABLE 0x02
59 #define MEM_EXECUTE_OPTION_PERMANENT 0x08
60 #endif
61
62 static int my_argc;
63 static char** my_argv;
64 static int test_stage;
65
66 /* Test various instruction combinations that cause a protection fault on the i386,
67 * and check what the resulting exception looks like.
68 */
69
70 static const struct exception
71 {
72 BYTE code[18]; /* asm code */
73 BYTE offset; /* offset of faulting instruction */
74 BYTE length; /* length of faulting instruction */
75 NTSTATUS status; /* expected status code */
76 DWORD nb_params; /* expected number of parameters */
77 DWORD params[4]; /* expected parameters */
78 } exceptions[] =
79 {
80 /* test some privileged instructions */
81 { { 0xfb, 0xc3 }, /* 0: sti; ret */
82 0, 1, STATUS_PRIVILEGED_INSTRUCTION, 0 },
83 { { 0x6c, 0xc3 }, /* 1: insb (%dx); ret */
84 0, 1, STATUS_PRIVILEGED_INSTRUCTION, 0 },
85 { { 0x6d, 0xc3 }, /* 2: insl (%dx); ret */
86 0, 1, STATUS_PRIVILEGED_INSTRUCTION, 0 },
87 { { 0x6e, 0xc3 }, /* 3: outsb (%dx); ret */
88 0, 1, STATUS_PRIVILEGED_INSTRUCTION, 0 },
89 { { 0x6f, 0xc3 }, /* 4: outsl (%dx); ret */
90 0, 1, STATUS_PRIVILEGED_INSTRUCTION, 0 },
91 { { 0xe4, 0x11, 0xc3 }, /* 5: inb $0x11,%al; ret */
92 0, 2, STATUS_PRIVILEGED_INSTRUCTION, 0 },
93 { { 0xe5, 0x11, 0xc3 }, /* 6: inl $0x11,%eax; ret */
94 0, 2, STATUS_PRIVILEGED_INSTRUCTION, 0 },
95 { { 0xe6, 0x11, 0xc3 }, /* 7: outb %al,$0x11; ret */
96 0, 2, STATUS_PRIVILEGED_INSTRUCTION, 0 },
97 { { 0xe7, 0x11, 0xc3 }, /* 8: outl %eax,$0x11; ret */
98 0, 2, STATUS_PRIVILEGED_INSTRUCTION, 0 },
99 { { 0xed, 0xc3 }, /* 9: inl (%dx),%eax; ret */
100 0, 1, STATUS_PRIVILEGED_INSTRUCTION, 0 },
101 { { 0xee, 0xc3 }, /* 10: outb %al,(%dx); ret */
102 0, 1, STATUS_PRIVILEGED_INSTRUCTION, 0 },
103 { { 0xef, 0xc3 }, /* 11: outl %eax,(%dx); ret */
104 0, 1, STATUS_PRIVILEGED_INSTRUCTION, 0 },
105 { { 0xf4, 0xc3 }, /* 12: hlt; ret */
106 0, 1, STATUS_PRIVILEGED_INSTRUCTION, 0 },
107 { { 0xfa, 0xc3 }, /* 13: cli; ret */
108 0, 1, STATUS_PRIVILEGED_INSTRUCTION, 0 },
109
110 /* test long jump to invalid selector */
111 { { 0xea, 0, 0, 0, 0, 0, 0, 0xc3 }, /* 14: ljmp $0,$0; ret */
112 0, 7, STATUS_ACCESS_VIOLATION, 2, { 0, 0xffffffff } },
113
114 /* test iret to invalid selector */
115 { { 0x6a, 0x00, 0x6a, 0x00, 0x6a, 0x00, 0xcf, 0x83, 0xc4, 0x0c, 0xc3 },
116 /* 15: pushl $0; pushl $0; pushl $0; iret; addl $12,%esp; ret */
117 6, 1, STATUS_ACCESS_VIOLATION, 2, { 0, 0xffffffff } },
118
119 /* test loading an invalid selector */
120 { { 0xb8, 0xef, 0xbe, 0x00, 0x00, 0x8e, 0xe8, 0xc3 }, /* 16: mov $beef,%ax; mov %ax,%gs; ret */
121 5, 2, STATUS_ACCESS_VIOLATION, 2, { 0, 0xbee8 } }, /* 0xbee8 or 0xffffffff */
122
123 /* test accessing a zero selector */
124 { { 0x06, 0x31, 0xc0, 0x8e, 0xc0, 0x26, 0xa1, 0, 0, 0, 0, 0x07, 0xc3 },
125 /* 17: push %es; xor %eax,%eax; mov %ax,%es; mov %es:(0),%ax; pop %es; ret */
126 5, 6, STATUS_ACCESS_VIOLATION, 2, { 0, 0xffffffff } },
127
128 /* test moving %cs -> %ss */
129 { { 0x0e, 0x17, 0x58, 0xc3 }, /* 18: pushl %cs; popl %ss; popl %eax; ret */
130 1, 1, STATUS_ACCESS_VIOLATION, 2, { 0, 0xffffffff } },
131
132 /* 19: test overlong instruction (limit is 15 bytes, 5 on Win7) */
133 { { 0x64,0x64,0x64,0x64,0x64,0x64,0x64,0x64,0x64,0x64,0x64,0x64,0x64,0x64,0x64,0xfa,0xc3 },
134 0, 16, STATUS_ILLEGAL_INSTRUCTION, 0 },
135 { { 0x64,0x64,0x64,0x64,0xfa,0xc3 },
136 0, 5, STATUS_PRIVILEGED_INSTRUCTION, 0 },
137
138 /* test invalid interrupt */
139 { { 0xcd, 0xff, 0xc3 }, /* 21: int $0xff; ret */
140 0, 2, STATUS_ACCESS_VIOLATION, 2, { 0, 0xffffffff } },
141
142 /* test moves to/from Crx */
143 { { 0x0f, 0x20, 0xc0, 0xc3 }, /* 22: movl %cr0,%eax; ret */
144 0, 3, STATUS_PRIVILEGED_INSTRUCTION, 0 },
145 { { 0x0f, 0x20, 0xe0, 0xc3 }, /* 23: movl %cr4,%eax; ret */
146 0, 3, STATUS_PRIVILEGED_INSTRUCTION, 0 },
147 { { 0x0f, 0x22, 0xc0, 0xc3 }, /* 24: movl %eax,%cr0; ret */
148 0, 3, STATUS_PRIVILEGED_INSTRUCTION, 0 },
149 { { 0x0f, 0x22, 0xe0, 0xc3 }, /* 25: movl %eax,%cr4; ret */
150 0, 3, STATUS_PRIVILEGED_INSTRUCTION, 0 },
151
152 /* test moves to/from Drx */
153 { { 0x0f, 0x21, 0xc0, 0xc3 }, /* 26: movl %dr0,%eax; ret */
154 0, 3, STATUS_PRIVILEGED_INSTRUCTION, 0 },
155 { { 0x0f, 0x21, 0xc8, 0xc3 }, /* 27: movl %dr1,%eax; ret */
156 0, 3, STATUS_PRIVILEGED_INSTRUCTION, 0 },
157 { { 0x0f, 0x21, 0xf8, 0xc3 }, /* 28: movl %dr7,%eax; ret */
158 0, 3, STATUS_PRIVILEGED_INSTRUCTION, 0 },
159 { { 0x0f, 0x23, 0xc0, 0xc3 }, /* 29: movl %eax,%dr0; ret */
160 0, 3, STATUS_PRIVILEGED_INSTRUCTION, 0 },
161 { { 0x0f, 0x23, 0xc8, 0xc3 }, /* 30: movl %eax,%dr1; ret */
162 0, 3, STATUS_PRIVILEGED_INSTRUCTION, 0 },
163 { { 0x0f, 0x23, 0xf8, 0xc3 }, /* 31: movl %eax,%dr7; ret */
164 0, 3, STATUS_PRIVILEGED_INSTRUCTION, 0 },
165
166 /* test memory reads */
167 { { 0xa1, 0xfc, 0xff, 0xff, 0xff, 0xc3 }, /* 32: movl 0xfffffffc,%eax; ret */
168 0, 5, STATUS_ACCESS_VIOLATION, 2, { 0, 0xfffffffc } },
169 { { 0xa1, 0xfd, 0xff, 0xff, 0xff, 0xc3 }, /* 33: movl 0xfffffffd,%eax; ret */
170 0, 5, STATUS_ACCESS_VIOLATION, 2, { 0, 0xfffffffd } },
171 { { 0xa1, 0xfe, 0xff, 0xff, 0xff, 0xc3 }, /* 34: movl 0xfffffffe,%eax; ret */
172 0, 5, STATUS_ACCESS_VIOLATION, 2, { 0, 0xfffffffe } },
173 { { 0xa1, 0xff, 0xff, 0xff, 0xff, 0xc3 }, /* 35: movl 0xffffffff,%eax; ret */
174 0, 5, STATUS_ACCESS_VIOLATION, 2, { 0, 0xffffffff } },
175
176 /* test memory writes */
177 { { 0xa3, 0xfc, 0xff, 0xff, 0xff, 0xc3 }, /* 36: movl %eax,0xfffffffc; ret */
178 0, 5, STATUS_ACCESS_VIOLATION, 2, { 1, 0xfffffffc } },
179 { { 0xa3, 0xfd, 0xff, 0xff, 0xff, 0xc3 }, /* 37: movl %eax,0xfffffffd; ret */
180 0, 5, STATUS_ACCESS_VIOLATION, 2, { 1, 0xfffffffd } },
181 { { 0xa3, 0xfe, 0xff, 0xff, 0xff, 0xc3 }, /* 38: movl %eax,0xfffffffe; ret */
182 0, 5, STATUS_ACCESS_VIOLATION, 2, { 1, 0xfffffffe } },
183 { { 0xa3, 0xff, 0xff, 0xff, 0xff, 0xc3 }, /* 39: movl %eax,0xffffffff; ret */
184 0, 5, STATUS_ACCESS_VIOLATION, 2, { 1, 0xffffffff } },
185
186 /* 40: test exception with cleared %ds and %es */
187 { { 0x1e, 0x06, 0x31, 0xc0, 0x8e, 0xd8, 0x8e, 0xc0, 0xfa, 0x07, 0x1f, 0xc3 },
188 /* push %ds; push %es; xorl %eax,%eax; mov %ax,%ds; mov %ax,%es; cli; pop %es; pop %ds; ret */
189 8, 1, STATUS_PRIVILEGED_INSTRUCTION, 0 },
190 };
191
192 static int got_exception;
193 static BOOL have_vectored_api;
194
195 static void run_exception_test(void *handler, const void* context,
196 const void *code, unsigned int code_size,
197 DWORD access)
198 {
199 struct {
200 EXCEPTION_REGISTRATION_RECORD frame;
201 const void *context;
202 } exc_frame;
203 void (*func)(void) = code_mem;
204 DWORD oldaccess, oldaccess2;
205
206 exc_frame.frame.Handler = handler;
207 exc_frame.frame.Prev = pNtCurrentTeb()->Tib.ExceptionList;
208 exc_frame.context = context;
209
210 memcpy(code_mem, code, code_size);
211 if(access)
212 VirtualProtect(code_mem, code_size, access, &oldaccess);
213
214 pNtCurrentTeb()->Tib.ExceptionList = &exc_frame.frame;
215 func();
216 pNtCurrentTeb()->Tib.ExceptionList = exc_frame.frame.Prev;
217
218 if(access)
219 VirtualProtect(code_mem, code_size, oldaccess, &oldaccess2);
220 }
221
222 static LONG CALLBACK rtlraiseexception_vectored_handler(EXCEPTION_POINTERS *ExceptionInfo)
223 {
224 PCONTEXT context = ExceptionInfo->ContextRecord;
225 PEXCEPTION_RECORD rec = ExceptionInfo->ExceptionRecord;
226 trace("vect. handler %08x addr:%p context.Eip:%x\n", rec->ExceptionCode,
227 rec->ExceptionAddress, context->Eip);
228
229 ok(rec->ExceptionAddress == (char *)code_mem + 0xb, "ExceptionAddress at %p instead of %p\n",
230 rec->ExceptionAddress, (char *)code_mem + 0xb);
231
232 if (pNtCurrentTeb()->Peb->BeingDebugged)
233 ok((void *)context->Eax == pRtlRaiseException, "debugger managed to modify Eax to %x should be %p\n",
234 context->Eax, pRtlRaiseException);
235
236 /* check that context.Eip is fixed up only for EXCEPTION_BREAKPOINT
237 * even if raised by RtlRaiseException
238 */
239 if(rec->ExceptionCode == EXCEPTION_BREAKPOINT)
240 {
241 ok(context->Eip == (DWORD)code_mem + 0xa ||
242 broken(context->Eip == (DWORD)code_mem + 0xb), /* win2k3 */
243 "Eip at %x instead of %x or %x\n", context->Eip,
244 (DWORD)code_mem + 0xa, (DWORD)code_mem + 0xb);
245 }
246 else
247 {
248 ok(context->Eip == (DWORD)code_mem + 0xb, "Eip at %x instead of %x\n",
249 context->Eip, (DWORD)code_mem + 0xb);
250 }
251
252 /* test if context change is preserved from vectored handler to stack handlers */
253 context->Eax = 0xf00f00f0;
254 return EXCEPTION_CONTINUE_SEARCH;
255 }
256
257 static DWORD rtlraiseexception_handler( EXCEPTION_RECORD *rec, EXCEPTION_REGISTRATION_RECORD *frame,
258 CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **dispatcher )
259 {
260 trace( "exception: %08x flags:%x addr:%p context: Eip:%x\n",
261 rec->ExceptionCode, rec->ExceptionFlags, rec->ExceptionAddress, context->Eip );
262
263 ok(rec->ExceptionAddress == (char *)code_mem + 0xb, "ExceptionAddress at %p instead of %p\n",
264 rec->ExceptionAddress, (char *)code_mem + 0xb);
265
266 /* check that context.Eip is fixed up only for EXCEPTION_BREAKPOINT
267 * even if raised by RtlRaiseException
268 */
269 if(rec->ExceptionCode == EXCEPTION_BREAKPOINT)
270 {
271 ok(context->Eip == (DWORD)code_mem + 0xa ||
272 broken(context->Eip == (DWORD)code_mem + 0xb), /* win2k3 */
273 "Eip at %x instead of %x or %x\n", context->Eip,
274 (DWORD)code_mem + 0xa, (DWORD)code_mem + 0xb);
275 }
276 else
277 {
278 ok(context->Eip == (DWORD)code_mem + 0xb, "Eip at %x instead of %x\n",
279 context->Eip, (DWORD)code_mem + 0xb);
280 }
281
282 if(have_vectored_api)
283 ok(context->Eax == 0xf00f00f0, "Eax is %x, should have been set to 0xf00f00f0 in vectored handler\n",
284 context->Eax);
285
286 /* give the debugger a chance to examine the state a second time */
287 /* without the exception handler changing Eip */
288 if (test_stage == 2)
289 return ExceptionContinueSearch;
290
291 /* Eip in context is decreased by 1
292 * Increase it again, else execution will continue in the middle of a instruction */
293 if(rec->ExceptionCode == EXCEPTION_BREAKPOINT && (context->Eip == (DWORD)code_mem + 0xa))
294 context->Eip += 1;
295 return ExceptionContinueExecution;
296 }
297
298
299 static const BYTE call_one_arg_code[] = {
300 0x8b, 0x44, 0x24, 0x08, /* mov 0x8(%esp),%eax */
301 0x50, /* push %eax */
302 0x8b, 0x44, 0x24, 0x08, /* mov 0x8(%esp),%eax */
303 0xff, 0xd0, /* call *%eax */
304 0x90, /* nop */
305 0x90, /* nop */
306 0x90, /* nop */
307 0x90, /* nop */
308 0xc3, /* ret */
309 };
310
311
312 static void run_rtlraiseexception_test(DWORD exceptioncode)
313 {
314 EXCEPTION_REGISTRATION_RECORD frame;
315 EXCEPTION_RECORD record;
316 PVOID vectored_handler = NULL;
317
318 void (*func)(void* function, EXCEPTION_RECORD* record) = code_mem;
319
320 record.ExceptionCode = exceptioncode;
321 record.ExceptionFlags = 0;
322 record.ExceptionRecord = NULL;
323 record.ExceptionAddress = NULL; /* does not matter, copied return address */
324 record.NumberParameters = 0;
325
326 frame.Handler = rtlraiseexception_handler;
327 frame.Prev = pNtCurrentTeb()->Tib.ExceptionList;
328
329 memcpy(code_mem, call_one_arg_code, sizeof(call_one_arg_code));
330
331 pNtCurrentTeb()->Tib.ExceptionList = &frame;
332 if (have_vectored_api)
333 {
334 vectored_handler = pRtlAddVectoredExceptionHandler(TRUE, &rtlraiseexception_vectored_handler);
335 ok(vectored_handler != 0, "RtlAddVectoredExceptionHandler failed\n");
336 }
337
338 func(pRtlRaiseException, &record);
339 ok( record.ExceptionAddress == (char *)code_mem + 0x0b,
340 "address set to %p instead of %p\n", record.ExceptionAddress, (char *)code_mem + 0x0b );
341
342 if (have_vectored_api)
343 pRtlRemoveVectoredExceptionHandler(vectored_handler);
344 pNtCurrentTeb()->Tib.ExceptionList = frame.Prev;
345 }
346
347 static void test_rtlraiseexception(void)
348 {
349 if (!pRtlRaiseException)
350 {
351 skip("RtlRaiseException not found\n");
352 return;
353 }
354
355 /* test without debugger */
356 run_rtlraiseexception_test(0x12345);
357 run_rtlraiseexception_test(EXCEPTION_BREAKPOINT);
358 run_rtlraiseexception_test(EXCEPTION_INVALID_HANDLE);
359 }
360
361 static DWORD handler( EXCEPTION_RECORD *rec, EXCEPTION_REGISTRATION_RECORD *frame,
362 CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **dispatcher )
363 {
364 const struct exception *except = *(const struct exception **)(frame + 1);
365 unsigned int i, entry = except - exceptions;
366
367 got_exception++;
368 trace( "exception: %x flags:%x addr:%p\n",
369 rec->ExceptionCode, rec->ExceptionFlags, rec->ExceptionAddress );
370
371 ok( rec->ExceptionCode == except->status,
372 "%u: Wrong exception code %x/%x\n", entry, rec->ExceptionCode, except->status );
373 ok( rec->ExceptionAddress == (char*)code_mem + except->offset,
374 "%u: Wrong exception address %p/%p\n", entry,
375 rec->ExceptionAddress, (char*)code_mem + except->offset );
376
377 ok( rec->NumberParameters == except->nb_params,
378 "%u: Wrong number of parameters %u/%u\n", entry, rec->NumberParameters, except->nb_params );
379
380 /* Most CPUs (except Intel Core apparently) report a segment limit violation */
381 /* instead of page faults for accesses beyond 0xffffffff */
382 if (except->nb_params == 2 && except->params[1] >= 0xfffffffd)
383 {
384 if (rec->ExceptionInformation[0] == 0 && rec->ExceptionInformation[1] == 0xffffffff)
385 goto skip_params;
386 }
387
388 /* Seems that both 0xbee8 and 0xfffffffff can be returned in windows */
389 if (except->nb_params == 2 && rec->NumberParameters == 2
390 && except->params[1] == 0xbee8 && rec->ExceptionInformation[1] == 0xffffffff
391 && except->params[0] == rec->ExceptionInformation[0])
392 {
393 goto skip_params;
394 }
395
396 for (i = 0; i < rec->NumberParameters; i++)
397 ok( rec->ExceptionInformation[i] == except->params[i],
398 "%u: Wrong parameter %d: %lx/%x\n",
399 entry, i, rec->ExceptionInformation[i], except->params[i] );
400
401 skip_params:
402 /* don't handle exception if it's not the address we expected */
403 if (rec->ExceptionAddress != (char*)code_mem + except->offset) return ExceptionContinueSearch;
404
405 context->Eip += except->length;
406 return ExceptionContinueExecution;
407 }
408
409 static void test_prot_fault(void)
410 {
411 unsigned int i;
412
413 for (i = 0; i < sizeof(exceptions)/sizeof(exceptions[0]); i++)
414 {
415 got_exception = 0;
416 run_exception_test(handler, &exceptions[i], &exceptions[i].code,
417 sizeof(exceptions[i].code), 0);
418 if (!i && !got_exception)
419 {
420 trace( "No exception, assuming win9x, no point in testing further\n" );
421 break;
422 }
423 ok( got_exception == (exceptions[i].status != 0),
424 "%u: bad exception count %d\n", i, got_exception );
425 }
426 }
427
428 /* test handling of debug registers */
429 static DWORD dreg_handler( EXCEPTION_RECORD *rec, EXCEPTION_REGISTRATION_RECORD *frame,
430 CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **dispatcher )
431 {
432 context->Eip += 2; /* Skips the popl (%eax) */
433 context->Dr0 = 0x42424242;
434 context->Dr1 = 0;
435 context->Dr2 = 0;
436 context->Dr3 = 0;
437 context->Dr6 = 0;
438 context->Dr7 = 0x155;
439 return ExceptionContinueExecution;
440 }
441
442 static const BYTE segfault_code[5] = {
443 0x31, 0xc0, /* xor %eax,%eax */
444 0x8f, 0x00, /* popl (%eax) - cause exception */
445 0xc3 /* ret */
446 };
447
448 /* test the single step exception behaviour */
449 static DWORD single_step_handler( EXCEPTION_RECORD *rec, EXCEPTION_REGISTRATION_RECORD *frame,
450 CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **dispatcher )
451 {
452 got_exception++;
453 ok (!(context->EFlags & 0x100), "eflags has single stepping bit set\n");
454
455 if( got_exception < 3)
456 context->EFlags |= 0x100; /* single step until popf instruction */
457 else {
458 /* show that the last single step exception on the popf instruction
459 * (which removed the TF bit), still is a EXCEPTION_SINGLE_STEP exception */
460 ok( rec->ExceptionCode == EXCEPTION_SINGLE_STEP,
461 "exception is not EXCEPTION_SINGLE_STEP: %x\n", rec->ExceptionCode);
462 }
463
464 return ExceptionContinueExecution;
465 }
466
467 static const BYTE single_stepcode[] = {
468 0x9c, /* pushf */
469 0x58, /* pop %eax */
470 0x0d,0,1,0,0, /* or $0x100,%eax */
471 0x50, /* push %eax */
472 0x9d, /* popf */
473 0x35,0,1,0,0, /* xor $0x100,%eax */
474 0x50, /* push %eax */
475 0x9d, /* popf */
476 0xc3
477 };
478
479 /* Test the alignment check (AC) flag handling. */
480 static const BYTE align_check_code[] = {
481 0x55, /* push %ebp */
482 0x89,0xe5, /* mov %esp,%ebp */
483 0x9c, /* pushf */
484 0x58, /* pop %eax */
485 0x0d,0,0,4,0, /* or $0x40000,%eax */
486 0x50, /* push %eax */
487 0x9d, /* popf */
488 0x89,0xe0, /* mov %esp, %eax */
489 0x8b,0x40,0x1, /* mov 0x1(%eax), %eax - cause exception */
490 0x9c, /* pushf */
491 0x58, /* pop %eax */
492 0x35,0,0,4,0, /* xor $0x40000,%eax */
493 0x50, /* push %eax */
494 0x9d, /* popf */
495 0x5d, /* pop %ebp */
496 0xc3, /* ret */
497 };
498
499 static DWORD align_check_handler( EXCEPTION_RECORD *rec, EXCEPTION_REGISTRATION_RECORD *frame,
500 CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **dispatcher )
501 {
502 ok (!(context->EFlags & 0x40000), "eflags has AC bit set\n");
503 got_exception++;
504 return ExceptionContinueExecution;
505 }
506
507 /* Test the direction flag handling. */
508 static const BYTE direction_flag_code[] = {
509 0x55, /* push %ebp */
510 0x89,0xe5, /* mov %esp,%ebp */
511 0xfd, /* std */
512 0xfa, /* cli - cause exception */
513 0x5d, /* pop %ebp */
514 0xc3, /* ret */
515 };
516
517 static DWORD direction_flag_handler( EXCEPTION_RECORD *rec, EXCEPTION_REGISTRATION_RECORD *frame,
518 CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **dispatcher )
519 {
520 #ifdef __GNUC__
521 unsigned int flags;
522 __asm__("pushfl; popl %0; cld" : "=r" (flags) );
523 /* older windows versions don't clear DF properly so don't test */
524 if (flags & 0x400) trace( "eflags has DF bit set\n" );
525 #endif
526 ok( context->EFlags & 0x400, "context eflags has DF bit cleared\n" );
527 got_exception++;
528 context->Eip++; /* skip cli */
529 context->EFlags &= ~0x400; /* make sure it is cleared on return */
530 return ExceptionContinueExecution;
531 }
532
533 /* test single stepping over hardware breakpoint */
534 static DWORD bpx_handler( EXCEPTION_RECORD *rec, EXCEPTION_REGISTRATION_RECORD *frame,
535 CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **dispatcher )
536 {
537 got_exception++;
538 ok( rec->ExceptionCode == EXCEPTION_SINGLE_STEP,
539 "wrong exception code: %x\n", rec->ExceptionCode);
540
541 if(got_exception == 1) {
542 /* hw bp exception on first nop */
543 ok( context->Eip == (DWORD)code_mem, "eip is wrong: %x instead of %x\n",
544 context->Eip, (DWORD)code_mem);
545 ok( (context->Dr6 & 0xf) == 1, "B0 flag is not set in Dr6\n");
546 ok( !(context->Dr6 & 0x4000), "BS flag is set in Dr6\n");
547 context->Dr0 = context->Dr0 + 1; /* set hw bp again on next instruction */
548 context->EFlags |= 0x100; /* enable single stepping */
549 } else if( got_exception == 2) {
550 /* single step exception on second nop */
551 ok( context->Eip == (DWORD)code_mem + 1, "eip is wrong: %x instead of %x\n",
552 context->Eip, (DWORD)code_mem + 1);
553 ok( (context->Dr6 & 0x4000), "BS flag is not set in Dr6\n");
554 /* depending on the win version the B0 bit is already set here as well
555 ok( (context->Dr6 & 0xf) == 0, "B0...3 flags in Dr6 shouldn't be set\n"); */
556 context->EFlags |= 0x100;
557 } else if( got_exception == 3) {
558 /* hw bp exception on second nop */
559 ok( context->Eip == (DWORD)code_mem + 1, "eip is wrong: %x instead of %x\n",
560 context->Eip, (DWORD)code_mem + 1);
561 ok( (context->Dr6 & 0xf) == 1, "B0 flag is not set in Dr6\n");
562 ok( !(context->Dr6 & 0x4000), "BS flag is set in Dr6\n");
563 context->Dr0 = 0; /* clear breakpoint */
564 context->EFlags |= 0x100;
565 } else {
566 /* single step exception on ret */
567 ok( context->Eip == (DWORD)code_mem + 2, "eip is wrong: %x instead of %x\n",
568 context->Eip, (DWORD)code_mem + 2);
569 ok( (context->Dr6 & 0xf) == 0, "B0...3 flags in Dr6 shouldn't be set\n");
570 ok( (context->Dr6 & 0x4000), "BS flag is not set in Dr6\n");
571 }
572
573 context->Dr6 = 0; /* clear status register */
574 return ExceptionContinueExecution;
575 }
576
577 static const BYTE dummy_code[] = { 0x90, 0x90, 0xc3 }; /* nop, nop, ret */
578
579 /* test int3 handling */
580 static DWORD int3_handler( EXCEPTION_RECORD *rec, EXCEPTION_REGISTRATION_RECORD *frame,
581 CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **dispatcher )
582 {
583 ok( rec->ExceptionAddress == code_mem, "exception address not at: %p, but at %p\n",
584 code_mem, rec->ExceptionAddress);
585 ok( context->Eip == (DWORD)code_mem, "eip not at: %p, but at %#x\n", code_mem, context->Eip);
586 if(context->Eip == (DWORD)code_mem) context->Eip++; /* skip breakpoint */
587
588 return ExceptionContinueExecution;
589 }
590
591 static const BYTE int3_code[] = { 0xCC, 0xc3 }; /* int 3, ret */
592
593
594 static void test_exceptions(void)
595 {
596 CONTEXT ctx;
597 NTSTATUS res;
598
599 if (!pNtGetContextThread || !pNtSetContextThread)
600 {
601 skip( "NtGetContextThread/NtSetContextThread not found\n" );
602 return;
603 }
604
605 /* test handling of debug registers */
606 run_exception_test(dreg_handler, NULL, &segfault_code, sizeof(segfault_code), 0);
607
608 ctx.ContextFlags = CONTEXT_DEBUG_REGISTERS;
609 res = pNtGetContextThread(GetCurrentThread(), &ctx);
610 ok (res == STATUS_SUCCESS,"NtGetContextThread failed with %x\n", res);
611 ok(ctx.Dr0 == 0x42424242,"failed to set debugregister 0 to 0x42424242, got %x\n", ctx.Dr0);
612 ok((ctx.Dr7 & ~0xdc00) == 0x155,"failed to set debugregister 7 to 0x155, got %x\n", ctx.Dr7);
613
614 /* test single stepping behavior */
615 got_exception = 0;
616 run_exception_test(single_step_handler, NULL, &single_stepcode, sizeof(single_stepcode), 0);
617 ok(got_exception == 3, "expected 3 single step exceptions, got %d\n", got_exception);
618
619 /* test alignment exceptions */
620 got_exception = 0;
621 run_exception_test(align_check_handler, NULL, align_check_code, sizeof(align_check_code), 0);
622 ok(got_exception == 0, "got %d alignment faults, expected 0\n", got_exception);
623
624 /* test direction flag */
625 got_exception = 0;
626 run_exception_test(direction_flag_handler, NULL, direction_flag_code, sizeof(direction_flag_code), 0);
627 ok(got_exception == 1, "got %d exceptions, expected 1\n", got_exception);
628
629 /* test single stepping over hardware breakpoint */
630 memset(&ctx, 0, sizeof(ctx));
631 ctx.Dr0 = (DWORD) code_mem; /* set hw bp on first nop */
632 ctx.Dr7 = 3;
633 ctx.ContextFlags = CONTEXT_DEBUG_REGISTERS;
634 res = pNtSetContextThread( GetCurrentThread(), &ctx);
635 ok( res == STATUS_SUCCESS, "NtSetContextThread faild with %x\n", res);
636
637 got_exception = 0;
638 run_exception_test(bpx_handler, NULL, dummy_code, sizeof(dummy_code), 0);
639 ok( got_exception == 4,"expected 4 exceptions, got %d\n", got_exception);
640
641 /* test int3 handling */
642 run_exception_test(int3_handler, NULL, int3_code, sizeof(int3_code), 0);
643 }
644
645 static void test_debugger(void)
646 {
647 char cmdline[MAX_PATH];
648 PROCESS_INFORMATION pi;
649 STARTUPINFO si = { 0 };
650 DEBUG_EVENT de;
651 DWORD continuestatus;
652 PVOID code_mem_address = NULL;
653 NTSTATUS status;
654 SIZE_T size_read;
655 BOOL ret;
656 int counter = 0;
657 si.cb = sizeof(si);
658
659 if(!pNtGetContextThread || !pNtSetContextThread || !pNtReadVirtualMemory || !pNtTerminateProcess)
660 {
661 skip("NtGetContextThread, NtSetContextThread, NtReadVirtualMemory or NtTerminateProcess not found\n");
662 return;
663 }
664
665 sprintf(cmdline, "%s %s %s %p", my_argv[0], my_argv[1], "debuggee", &test_stage);
666 ret = CreateProcess(NULL, cmdline, NULL, NULL, FALSE, DEBUG_PROCESS, NULL, NULL, &si, &pi);
667 ok(ret, "could not create child process error: %u\n", GetLastError());
668 if (!ret)
669 return;
670
671 do
672 {
673 continuestatus = DBG_CONTINUE;
674 ok(WaitForDebugEvent(&de, INFINITE), "reading debug event\n");
675
676 if (de.dwThreadId != pi.dwThreadId)
677 {
678 trace("event %d not coming from main thread, ignoring\n", de.dwDebugEventCode);
679 ContinueDebugEvent(de.dwProcessId, de.dwThreadId, DBG_CONTINUE);
680 continue;
681 }
682
683 if (de.dwDebugEventCode == CREATE_PROCESS_DEBUG_EVENT)
684 {
685 if(de.u.CreateProcessInfo.lpBaseOfImage != pNtCurrentTeb()->Peb->ImageBaseAddress)
686 {
687 skip("child process loaded at different address, terminating it\n");
688 pNtTerminateProcess(pi.hProcess, 0);
689 }
690 }
691 else if (de.dwDebugEventCode == EXCEPTION_DEBUG_EVENT)
692 {
693 CONTEXT ctx;
694 int stage;
695
696 counter++;
697 status = pNtReadVirtualMemory(pi.hProcess, &code_mem, &code_mem_address,
698 sizeof(code_mem_address), &size_read);
699 ok(!status,"NtReadVirtualMemory failed with 0x%x\n", status);
700 status = pNtReadVirtualMemory(pi.hProcess, &test_stage, &stage,
701 sizeof(stage), &size_read);
702 ok(!status,"NtReadVirtualMemory failed with 0x%x\n", status);
703
704 ctx.ContextFlags = CONTEXT_FULL;
705 status = pNtGetContextThread(pi.hThread, &ctx);
706 ok(!status, "NtGetContextThread failed with 0x%x\n", status);
707
708 trace("exception 0x%x at %p firstchance=%d Eip=0x%x, Eax=0x%x\n",
709 de.u.Exception.ExceptionRecord.ExceptionCode,
710 de.u.Exception.ExceptionRecord.ExceptionAddress, de.u.Exception.dwFirstChance, ctx.Eip, ctx.Eax);
711
712 if (counter > 100)
713 {
714 ok(FALSE, "got way too many exceptions, probaby caught in a infinite loop, terminating child\n");
715 pNtTerminateProcess(pi.hProcess, 1);
716 }
717 else if (counter >= 2) /* skip startup breakpoint */
718 {
719 if (stage == 1)
720 {
721 ok((char *)ctx.Eip == (char *)code_mem_address + 0xb, "Eip at %x instead of %p\n",
722 ctx.Eip, (char *)code_mem_address + 0xb);
723 /* setting the context from debugger does not affect the context, the exception handlers gets */
724 /* uncomment once wine is fixed */
725 /* ctx.Eip = 0x12345; */
726 ctx.Eax = 0xf00f00f1;
727
728 /* let the debuggee handle the exception */
729 continuestatus = DBG_EXCEPTION_NOT_HANDLED;
730 }
731 else if (stage == 2)
732 {
733 if (de.u.Exception.dwFirstChance)
734 {
735 /* debugger gets first chance exception with unmodified ctx.Eip */
736 ok((char *)ctx.Eip == (char *)code_mem_address + 0xb, "Eip at 0x%x instead of %p\n",
737 ctx.Eip, (char *)code_mem_address + 0xb);
738
739 /* setting the context from debugger does not affect the context, the exception handlers gets */
740 /* uncomment once wine is fixed */
741 /* ctx.Eip = 0x12345; */
742 ctx.Eax = 0xf00f00f1;
743
744 /* pass exception to debuggee
745 * exception will not be handled and
746 * a second chance exception will be raised */
747 continuestatus = DBG_EXCEPTION_NOT_HANDLED;
748 }
749 else
750 {
751 /* debugger gets context after exception handler has played with it */
752 /* ctx.Eip is the same value the exception handler got */
753 if (de.u.Exception.ExceptionRecord.ExceptionCode == EXCEPTION_BREAKPOINT)
754 {
755 ok((char *)ctx.Eip == (char *)code_mem_address + 0xa, "Eip at 0x%x instead of %p\n",
756 ctx.Eip, (char *)code_mem_address + 0xa);
757 /* need to fixup Eip for debuggee */
758 if ((char *)ctx.Eip == (char *)code_mem_address + 0xa)
759 ctx.Eip += 1;
760 }
761 else
762 ok((char *)ctx.Eip == (char *)code_mem_address + 0xb, "Eip at 0x%x instead of %p\n",
763 ctx.Eip, (char *)code_mem_address + 0xb);
764 /* here we handle exception */
765 }
766 }
767 else
768 ok(FALSE, "unexpected stage %x\n", stage);
769
770 status = pNtSetContextThread(pi.hThread, &ctx);
771 ok(!status, "NtSetContextThread failed with 0x%x\n", status);
772 }
773 }
774
775 ContinueDebugEvent(de.dwProcessId, de.dwThreadId, continuestatus);
776
777 } while (de.dwDebugEventCode != EXIT_PROCESS_DEBUG_EVENT);
778
779 winetest_wait_child_process( pi.hProcess );
780 ok(CloseHandle(pi.hThread) != 0, "error %u\n", GetLastError());
781 ok(CloseHandle(pi.hProcess) != 0, "error %u\n", GetLastError());
782
783 return;
784 }
785
786 static DWORD simd_fault_handler( EXCEPTION_RECORD *rec, EXCEPTION_REGISTRATION_RECORD *frame,
787 CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **dispatcher )
788 {
789 int *stage = *(int **)(frame + 1);
790
791 got_exception++;
792
793 if( *stage == 1) {
794 /* fault while executing sse instruction */
795 context->Eip += 3; /* skip addps */
796 return ExceptionContinueExecution;
797 }
798
799 /* stage 2 - divide by zero fault */
800 if( rec->ExceptionCode == EXCEPTION_ILLEGAL_INSTRUCTION)
801 skip("system doesn't support SIMD exceptions\n");
802 else {
803 ok( rec->ExceptionCode == STATUS_FLOAT_MULTIPLE_TRAPS,
804 "exception code: %#x, should be %#x\n",
805 rec->ExceptionCode, STATUS_FLOAT_MULTIPLE_TRAPS);
806 ok( rec->NumberParameters == 1, "# of params: %i, should be 1\n",
807 rec->NumberParameters);
808 if( rec->NumberParameters == 1 )
809 ok( rec->ExceptionInformation[0] == 0, "param #1: %lx, should be 0\n", rec->ExceptionInformation[0]);
810 }
811
812 context->Eip += 3; /* skip divps */
813
814 return ExceptionContinueExecution;
815 }
816
817 static const BYTE simd_exception_test[] = {
818 0x83, 0xec, 0x4, /* sub $0x4, %esp */
819 0x0f, 0xae, 0x1c, 0x24, /* stmxcsr (%esp) */
820 0x66, 0x81, 0x24, 0x24, 0xff, 0xfd, /* andw $0xfdff,(%esp) * enable divide by */
821 0x0f, 0xae, 0x14, 0x24, /* ldmxcsr (%esp) * zero exceptions */
822 0x6a, 0x01, /* push $0x1 */
823 0x6a, 0x01, /* push $0x1 */
824 0x6a, 0x01, /* push $0x1 */
825 0x6a, 0x01, /* push $0x1 */
826 0x0f, 0x10, 0x0c, 0x24, /* movups (%esp),%xmm1 * fill dividend */
827 0x0f, 0x57, 0xc0, /* xorps %xmm0,%xmm0 * clear divisor */
828 0x0f, 0x5e, 0xc8, /* divps %xmm0,%xmm1 * generate fault */
829 0x83, 0xc4, 0x10, /* add $0x10,%esp */
830 0x66, 0x81, 0x0c, 0x24, 0x00, 0x02, /* orw $0x200,(%esp) * disable exceptions */
831 0x0f, 0xae, 0x14, 0x24, /* ldmxcsr (%esp) */
832 0x83, 0xc4, 0x04, /* add $0x4,%esp */
833 0xc3, /* ret */
834 };
835
836 static const BYTE sse_check[] = {
837 0x0f, 0x58, 0xc8, /* addps %xmm0,%xmm1 */
838 0xc3, /* ret */
839 };
840
841 static void test_simd_exceptions(void)
842 {
843 int stage;
844
845 /* test if CPU & OS can do sse */
846 stage = 1;
847 got_exception = 0;
848 run_exception_test(simd_fault_handler, &stage, sse_check, sizeof(sse_check), 0);
849 if(got_exception) {
850 skip("system doesn't support SSE\n");
851 return;
852 }
853
854 /* generate a SIMD exception */
855 stage = 2;
856 got_exception = 0;
857 run_exception_test(simd_fault_handler, &stage, simd_exception_test,
858 sizeof(simd_exception_test), 0);
859 ok( got_exception == 1, "got exception: %i, should be 1\n", got_exception);
860 }
861
862 struct fpu_exception_info
863 {
864 DWORD exception_code;
865 DWORD exception_offset;
866 DWORD eip_offset;
867 };
868
869 static DWORD fpu_exception_handler(EXCEPTION_RECORD *rec, EXCEPTION_REGISTRATION_RECORD *frame,
870 CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **dispatcher)
871 {
872 struct fpu_exception_info *info = *(struct fpu_exception_info **)(frame + 1);
873
874 info->exception_code = rec->ExceptionCode;
875 info->exception_offset = (BYTE *)rec->ExceptionAddress - (BYTE *)code_mem;
876 info->eip_offset = context->Eip - (DWORD)code_mem;
877
878 ++context->Eip;
879 return ExceptionContinueExecution;
880 }
881
882 static void test_fpu_exceptions(void)
883 {
884 static const BYTE fpu_exception_test_ie[] =
885 {
886 0x83, 0xec, 0x04, /* sub $0x4,%esp */
887 0x66, 0xc7, 0x04, 0x24, 0xfe, 0x03, /* movw $0x3fe,(%esp) */
888 0x9b, 0xd9, 0x7c, 0x24, 0x02, /* fstcw 0x2(%esp) */
889 0xd9, 0x2c, 0x24, /* fldcw (%esp) */
890 0xd9, 0xee, /* fldz */
891 0xd9, 0xe8, /* fld1 */
892 0xde, 0xf1, /* fdivp */
893 0xdd, 0xd8, /* fstp %st(0) */
894 0xdd, 0xd8, /* fstp %st(0) */
895 0x9b, /* fwait */
896 0xdb, 0xe2, /* fnclex */
897 0xd9, 0x6c, 0x24, 0x02, /* fldcw 0x2(%esp) */
898 0x83, 0xc4, 0x04, /* add $0x4,%esp */
899 0xc3, /* ret */
900 };
901
902 static const BYTE fpu_exception_test_de[] =
903 {
904 0x83, 0xec, 0x04, /* sub $0x4,%esp */
905 0x66, 0xc7, 0x04, 0x24, 0xfb, 0x03, /* movw $0x3fb,(%esp) */
906 0x9b, 0xd9, 0x7c, 0x24, 0x02, /* fstcw 0x2(%esp) */
907 0xd9, 0x2c, 0x24, /* fldcw (%esp) */
908 0xdd, 0xd8, /* fstp %st(0) */
909 0xd9, 0xee, /* fldz */
910 0xd9, 0xe8, /* fld1 */
911 0xde, 0xf1, /* fdivp */
912 0x9b, /* fwait */
913 0xdb, 0xe2, /* fnclex */
914 0xdd, 0xd8, /* fstp %st(0) */
915 0xdd, 0xd8, /* fstp %st(0) */
916 0xd9, 0x6c, 0x24, 0x02, /* fldcw 0x2(%esp) */
917 0x83, 0xc4, 0x04, /* add $0x4,%esp */
918 0xc3, /* ret */
919 };
920
921 struct fpu_exception_info info;
922
923 memset(&info, 0, sizeof(info));
924 run_exception_test(fpu_exception_handler, &info, fpu_exception_test_ie, sizeof(fpu_exception_test_ie), 0);
925 ok(info.exception_code == EXCEPTION_FLT_STACK_CHECK,
926 "Got exception code %#x, expected EXCEPTION_FLT_STACK_CHECK\n", info.exception_code);
927 ok(info.exception_offset == 0x19, "Got exception offset %#x, expected 0x19\n", info.exception_offset);
928 ok(info.eip_offset == 0x1b, "Got EIP offset %#x, expected 0x1b\n", info.eip_offset);
929
930 memset(&info, 0, sizeof(info));
931 run_exception_test(fpu_exception_handler, &info, fpu_exception_test_de, sizeof(fpu_exception_test_de), 0);
932 ok(info.exception_code == EXCEPTION_FLT_DIVIDE_BY_ZERO,
933 "Got exception code %#x, expected EXCEPTION_FLT_DIVIDE_BY_ZERO\n", info.exception_code);
934 ok(info.exception_offset == 0x17, "Got exception offset %#x, expected 0x17\n", info.exception_offset);
935 ok(info.eip_offset == 0x19, "Got EIP offset %#x, expected 0x19\n", info.eip_offset);
936 }
937
938 struct dpe_exception_info {
939 BOOL exception_caught;
940 DWORD exception_info;
941 };
942
943 static DWORD dpe_exception_handler(EXCEPTION_RECORD *rec, EXCEPTION_REGISTRATION_RECORD *frame,
944 CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **dispatcher)
945 {
946 DWORD old_prot;
947 struct dpe_exception_info *info = *(struct dpe_exception_info **)(frame + 1);
948
949 ok(rec->ExceptionCode == EXCEPTION_ACCESS_VIOLATION,
950 "Exception code %08x\n", rec->ExceptionCode);
951 ok(rec->NumberParameters == 2,
952 "Parameter count: %d\n", rec->NumberParameters);
953 ok((LPVOID)rec->ExceptionInformation[1] == code_mem,
954 "Exception address: %p, expected %p\n",
955 (LPVOID)rec->ExceptionInformation[1], code_mem);
956
957 info->exception_info = rec->ExceptionInformation[0];
958 info->exception_caught = TRUE;
959
960 VirtualProtect(code_mem, 1, PAGE_EXECUTE_READWRITE, &old_prot);
961 return ExceptionContinueExecution;
962 }
963
964 static void test_dpe_exceptions(void)
965 {
966 static char single_ret[] = {0xC3};
967 struct dpe_exception_info info;
968 NTSTATUS stat;
969 BOOL has_hw_support;
970 BOOL is_permanent = FALSE, can_test_without = TRUE, can_test_with = TRUE;
971 DWORD val;
972 ULONG len;
973
974 /* Query DEP with len to small */
975 stat = pNtQueryInformationProcess(GetCurrentProcess(), ProcessExecuteFlags, &val, sizeof val - 1, &len);
976 if(stat == STATUS_INVALID_INFO_CLASS)
977 {
978 skip("This software platform does not support DEP\n");
979 return;
980 }
981 ok(stat == STATUS_INFO_LENGTH_MISMATCH, "buffer too small: %08x\n", stat);
982
983 /* Query DEP */
984 stat = pNtQueryInformationProcess(GetCurrentProcess(), ProcessExecuteFlags, &val, sizeof val, &len);
985 ok(stat == STATUS_SUCCESS, "querying DEP: status %08x\n", stat);
986 if(stat == STATUS_SUCCESS)
987 {
988 ok(len == sizeof val, "returned length: %d\n", len);
989 if(val & MEM_EXECUTE_OPTION_PERMANENT)
990 {
991 skip("toggling DEP impossible - status locked\n");
992 is_permanent = TRUE;
993 if(val & MEM_EXECUTE_OPTION_DISABLE)
994 can_test_without = FALSE;
995 else
996 can_test_with = FALSE;
997 }
998 }
999
1000 if(!is_permanent)
1001 {
1002 /* Enable DEP */
1003 val = MEM_EXECUTE_OPTION_DISABLE;
1004 stat = pNtSetInformationProcess(GetCurrentProcess(), ProcessExecuteFlags, &val, sizeof val);
1005 ok(stat == STATUS_SUCCESS, "enabling DEP: status %08x\n", stat);
1006 }
1007
1008 if(can_test_with)
1009 {
1010 /* Try access to locked page with DEP on*/
1011 info.exception_caught = FALSE;
1012 run_exception_test(dpe_exception_handler, &info, single_ret, sizeof(single_ret), PAGE_NOACCESS);
1013 ok(info.exception_caught == TRUE, "Execution of disabled memory succeeded\n");
1014 ok(info.exception_info == EXCEPTION_READ_FAULT ||
1015 info.exception_info == EXCEPTION_EXECUTE_FAULT,
1016 "Access violation type: %08x\n", (unsigned)info.exception_info);
1017 has_hw_support = info.exception_info == EXCEPTION_EXECUTE_FAULT;
1018 trace("DEP hardware support: %s\n", has_hw_support?"Yes":"No");
1019
1020 /* Try execution of data with DEP on*/
1021 info.exception_caught = FALSE;
1022 run_exception_test(dpe_exception_handler, &info, single_ret, sizeof(single_ret), PAGE_READWRITE);
1023 if(has_hw_support)
1024 {
1025 ok(info.exception_caught == TRUE, "Execution of data memory succeeded\n");
1026 ok(info.exception_info == EXCEPTION_EXECUTE_FAULT,
1027 "Access violation type: %08x\n", (unsigned)info.exception_info);
1028 }
1029 else
1030 ok(info.exception_caught == FALSE, "Execution trapped without hardware support\n");
1031 }
1032 else
1033 skip("DEP is in AlwaysOff state\n");
1034
1035 if(!is_permanent)
1036 {
1037 /* Disable DEP */
1038 val = MEM_EXECUTE_OPTION_ENABLE;
1039 stat = pNtSetInformationProcess(GetCurrentProcess(), ProcessExecuteFlags, &val, sizeof val);
1040 ok(stat == STATUS_SUCCESS, "disabling DEP: status %08x\n", stat);
1041 }
1042
1043 /* page is read without exec here */
1044 if(can_test_without)
1045 {
1046 /* Try execution of data with DEP off */
1047 info.exception_caught = FALSE;
1048 run_exception_test(dpe_exception_handler, &info, single_ret, sizeof(single_ret), PAGE_READWRITE);
1049 ok(info.exception_caught == FALSE, "Execution trapped with DEP turned off\n");
1050
1051 /* Try access to locked page with DEP off - error code is different than
1052 with hardware DEP on */
1053 info.exception_caught = FALSE;
1054 run_exception_test(dpe_exception_handler, &info, single_ret, sizeof(single_ret), PAGE_NOACCESS);
1055 ok(info.exception_caught == TRUE, "Execution of disabled memory succeeded\n");
1056 ok(info.exception_info == EXCEPTION_READ_FAULT,
1057 "Access violation type: %08x\n", (unsigned)info.exception_info);
1058 }
1059 else
1060 skip("DEP is in AlwaysOn state\n");
1061
1062 if(!is_permanent)
1063 {
1064 /* Turn off DEP permanently */
1065 val = MEM_EXECUTE_OPTION_ENABLE | MEM_EXECUTE_OPTION_PERMANENT;
1066 stat = pNtSetInformationProcess(GetCurrentProcess(), ProcessExecuteFlags, &val, sizeof val);
1067 ok(stat == STATUS_SUCCESS, "disabling DEP permanently: status %08x\n", stat);
1068 }
1069
1070 /* Try to turn off DEP */
1071 val = MEM_EXECUTE_OPTION_ENABLE;
1072 stat = pNtSetInformationProcess(GetCurrentProcess(), ProcessExecuteFlags, &val, sizeof val);
1073 ok(stat == STATUS_ACCESS_DENIED, "disabling DEP while permanent: status %08x\n", stat);
1074
1075 /* Try to turn on DEP */
1076 val = MEM_EXECUTE_OPTION_DISABLE;
1077 stat = pNtSetInformationProcess(GetCurrentProcess(), ProcessExecuteFlags, &val, sizeof val);
1078 ok(stat == STATUS_ACCESS_DENIED, "enabling DEP while permanent: status %08x\n", stat);
1079 }
1080
1081 #elif defined(__x86_64__)
1082
1083 #define UNW_FLAG_NHANDLER 0
1084 #define UNW_FLAG_EHANDLER 1
1085 #define UNW_FLAG_UHANDLER 2
1086 #define UNW_FLAG_CHAININFO 4
1087
1088 #define UWOP_PUSH_NONVOL 0
1089 #define UWOP_ALLOC_LARGE 1
1090 #define UWOP_ALLOC_SMALL 2
1091 #define UWOP_SET_FPREG 3
1092 #define UWOP_SAVE_NONVOL 4
1093 #define UWOP_SAVE_NONVOL_FAR 5
1094 #define UWOP_SAVE_XMM128 8
1095 #define UWOP_SAVE_XMM128_FAR 9
1096 #define UWOP_PUSH_MACHFRAME 10
1097
1098 struct results
1099 {
1100 int rip_offset; /* rip offset from code start */
1101 int rbp_offset; /* rbp offset from stack pointer */
1102 int handler; /* expect handler to be set? */
1103 int rip; /* expected final rip value */
1104 int frame; /* expected frame return value */
1105 int regs[8][2]; /* expected values for registers */
1106 };
1107
1108 struct unwind_test
1109 {
1110 const BYTE *function;
1111 size_t function_size;
1112 const BYTE *unwind_info;
1113 const struct results *results;
1114 unsigned int nb_results;
1115 };
1116
1117 enum regs
1118 {
1119 rax, rcx, rdx, rbx, rsp, rbp, rsi, rdi,
1120 r8, r9, r10, r11, r12, r13, r14, r15
1121 };
1122
1123 static const char * const reg_names[16] =
1124 {
1125 "rax", "rcx", "rdx", "rbx", "rsp", "rbp", "rsi", "rdi",
1126 "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15"
1127 };
1128
1129 #define UWOP(code,info) (UWOP_##code | ((info) << 4))
1130
1131 static void call_virtual_unwind( int testnum, const struct unwind_test *test )
1132 {
1133 static const int code_offset = 1024;
1134 static const int unwind_offset = 2048;
1135 void *handler, *data;
1136 CONTEXT context;
1137 RUNTIME_FUNCTION runtime_func;
1138 KNONVOLATILE_CONTEXT_POINTERS ctx_ptr;
1139 UINT i, j, k;
1140 ULONG64 fake_stack[256];
1141 ULONG64 frame, orig_rip, orig_rbp, unset_reg;
1142 UINT unwind_size = 4 + 2 * test->unwind_info[2] + 8;
1143
1144 memcpy( (char *)code_mem + code_offset, test->function, test->function_size );
1145 memcpy( (char *)code_mem + unwind_offset, test->unwind_info, unwind_size );
1146
1147 runtime_func.BeginAddress = code_offset;
1148 runtime_func.EndAddress = code_offset + test->function_size;
1149 runtime_func.UnwindData = unwind_offset;
1150
1151 trace( "code: %p stack: %p\n", code_mem, fake_stack );
1152
1153 for (i = 0; i < test->nb_results; i++)
1154 {
1155 memset( &ctx_ptr, 0, sizeof(ctx_ptr) );
1156 memset( &context, 0x55, sizeof(context) );
1157 memset( &unset_reg, 0x55, sizeof(unset_reg) );
1158 for (j = 0; j < 256; j++) fake_stack[j] = j * 8;
1159
1160 context.Rsp = (ULONG_PTR)fake_stack;
1161 context.Rbp = (ULONG_PTR)fake_stack + test->results[i].rbp_offset;
1162 orig_rbp = context.Rbp;
1163 orig_rip = (ULONG64)code_mem + code_offset + test->results[i].rip_offset;
1164
1165 trace( "%u/%u: rip=%p (%02x) rbp=%p rsp=%p\n", testnum, i,
1166 (void *)orig_rip, *(BYTE *)orig_rip, (void *)orig_rbp, (void *)context.Rsp );
1167
1168 data = (void *)0xdeadbeef;
1169 handler = RtlVirtualUnwind( UNW_FLAG_EHANDLER, (ULONG64)code_mem, orig_rip,
1170 &runtime_func, &context, &data, &frame, &ctx_ptr );
1171 if (test->results[i].handler)
1172 {
1173 ok( (char *)handler == (char *)code_mem + 0x200,
1174 "%u/%u: wrong handler %p/%p\n", testnum, i, handler, (char *)code_mem + 0x200 );
1175 if (handler) ok( *(DWORD *)data == 0x08070605,
1176 "%u/%u: wrong handler data %p\n", testnum, i, data );
1177 }
1178 else
1179 {
1180 ok( handler == NULL, "%u/%u: handler %p instead of NULL\n", testnum, i, handler );
1181 ok( data == (void *)0xdeadbeef, "%u/%u: handler data set to %p\n", testnum, i, data );
1182 }
1183
1184 ok( context.Rip == test->results[i].rip, "%u/%u: wrong rip %p/%x\n",
1185 testnum, i, (void *)context.Rip, test->results[i].rip );
1186 ok( frame == (ULONG64)fake_stack + test->results[i].frame, "%u/%u: wrong frame %p/%p\n",
1187 testnum, i, (void *)frame, (char *)fake_stack + test->results[i].frame );
1188
1189 for (j = 0; j < 16; j++)
1190 {
1191 static const UINT nb_regs = sizeof(test->results[i].regs) / sizeof(test->results[i].regs[0]);
1192
1193 for (k = 0; k < nb_regs; k++)
1194 {
1195 if (test->results[i].regs[k][0] == -1)
1196 {
1197 k = nb_regs;
1198 break;
1199 }
1200 if (test->results[i].regs[k][0] == j) break;
1201 }
1202
1203 if (j == rsp) /* rsp is special */
1204 {
1205 ok( !ctx_ptr.u2.IntegerContext[j],
1206 "%u/%u: rsp should not be set in ctx_ptr\n", testnum, i );
1207 ok( context.Rsp == (ULONG64)fake_stack + test->results[i].regs[k][1],
1208 "%u/%u: register rsp wrong %p/%p\n",
1209 testnum, i, (void *)context.Rsp, (char *)fake_stack + test->results[i].regs[k][1] );
1210 continue;
1211 }
1212
1213 if (ctx_ptr.u2.IntegerContext[j])
1214 {
1215 ok( k < nb_regs, "%u/%u: register %s should not be set to %lx\n",
1216 testnum, i, reg_names[j], *(&context.Rax + j) );
1217 if (k < nb_regs)
1218 ok( *(&context.Rax + j) == test->results[i].regs[k][1],
1219 "%u/%u: register %s wrong %p/%x\n",
1220 testnum, i, reg_names[j], (void *)*(&context.Rax + j), test->results[i].regs[k][1] );
1221 }
1222 else
1223 {
1224 ok( k == nb_regs, "%u/%u: register %s should be set\n", testnum, i, reg_names[j] );
1225 if (j == rbp)
1226 ok( context.Rbp == orig_rbp, "%u/%u: register rbp wrong %p/unset\n",
1227 testnum, i, (void *)context.Rbp );
1228 else
1229 ok( *(&context.Rax + j) == unset_reg,
1230 "%u/%u: register %s wrong %p/unset\n",
1231 testnum, i, reg_names[j], (void *)*(&context.Rax + j));
1232 }
1233 }
1234 }
1235 }
1236
1237 static void test_virtual_unwind(void)
1238 {
1239 static const BYTE function_0[] =
1240 {
1241 0xff, 0xf5, /* 00: push %rbp */
1242 0x48, 0x81, 0xec, 0x10, 0x01, 0x00, 0x00, /* 02: sub $0x110,%rsp */
1243 0x48, 0x8d, 0x6c, 0x24, 0x30, /* 09: lea 0x30(%rsp),%rbp */
1244 0x48, 0x89, 0x9d, 0xf0, 0x00, 0x00, 0x00, /* 0e: mov %rbx,0xf0(%rbp) */
1245 0x48, 0x89, 0xb5, 0xf8, 0x00, 0x00, 0x00, /* 15: mov %rsi,0xf8(%rbp) */
1246 0x90, /* 1c: nop */
1247 0x48, 0x8b, 0x9d, 0xf0, 0x00, 0x00, 0x00, /* 1d: mov 0xf0(%rbp),%rbx */
1248 0x48, 0x8b, 0xb5, 0xf8, 0x00, 0x00, 0x00, /* 24: mov 0xf8(%rbp),%rsi */
1249 0x48, 0x8d, 0xa5, 0xe0, 0x00, 0x00, 0x00, /* 2b: lea 0xe0(%rbp),%rsp */
1250 0x5d, /* 32: pop %rbp */
1251 0xc3 /* 33: ret */
1252 };
1253
1254 static const BYTE unwind_info_0[] =
1255 {
1256 1 | (UNW_FLAG_EHANDLER << 3), /* version + flags */
1257 0x1c, /* prolog size */
1258 8, /* opcode count */
1259 (0x03 << 4) | rbp, /* frame reg rbp offset 0x30 */
1260
1261 0x1c, UWOP(SAVE_NONVOL, rsi), 0x25, 0, /* 1c: mov %rsi,0x128(%rsp) */
1262 0x15, UWOP(SAVE_NONVOL, rbx), 0x24, 0, /* 15: mov %rbx,0x120(%rsp) */
1263 0x0e, UWOP(SET_FPREG, rbp), /* 0e: lea 0x30(%rsp),rbp */
1264 0x09, UWOP(ALLOC_LARGE, 0), 0x22, 0, /* 09: sub $0x110,%rsp */
1265 0x02, UWOP(PUSH_NONVOL, rbp), /* 02: push %rbp */
1266
1267 0x00, 0x02, 0x00, 0x00, /* handler */
1268 0x05, 0x06, 0x07, 0x08, /* data */
1269 };
1270
1271 static const struct results results_0[] =
1272 {
1273 /* offset rbp handler rip frame registers */
1274 { 0x00, 0x40, FALSE, 0x000, 0x000, { {rsp,0x008}, {-1,-1} }},
1275 { 0x02, 0x40, FALSE, 0x008, 0x000, { {rsp,0x010}, {rbp,0x000}, {-1,-1} }},
1276 { 0x09, 0x40, FALSE, 0x118, 0x000, { {rsp,0x120}, {rbp,0x110}, {-1,-1} }},
1277 { 0x0e, 0x40, FALSE, 0x128, 0x010, { {rsp,0x130}, {rbp,0x120}, {-1,-1} }},
1278 { 0x15, 0x40, FALSE, 0x128, 0x010, { {rsp,0x130}, {rbp,0x120}, {rbx,0x130}, {-1,-1} }},
1279 { 0x1c, 0x40, TRUE, 0x128, 0x010, { {rsp,0x130}, {rbp,0x120}, {rbx,0x130}, {rsi,0x138}, {-1,-1}}},
1280 { 0x1d, 0x40, TRUE, 0x128, 0x010, { {rsp,0x130}, {rbp,0x120}, {rbx,0x130}, {rsi,0x138}, {-1,-1}}},
1281 { 0x24, 0x40, TRUE, 0x128, 0x010, { {rsp,0x130}, {rbp,0x120}, {rbx,0x130}, {rsi,0x138}, {-1,-1}}},
1282 { 0x2b, 0x40, FALSE, 0x128, 0x010, { {rsp,0x130}, {rbp,0x120}, {-1,-1}}},
1283 { 0x32, 0x40, FALSE, 0x008, 0x010, { {rsp,0x010}, {rbp,0x000}, {-1,-1}}},
1284 { 0x33, 0x40, FALSE, 0x000, 0x010, { {rsp,0x008}, {-1,-1}}},
1285 };
1286
1287
1288 static const BYTE function_1[] =
1289 {
1290 0x53, /* 00: push %rbx */
1291 0x55, /* 01: push %rbp */
1292 0x56, /* 02: push %rsi */
1293 0x57, /* 03: push %rdi */
1294 0x41, 0x54, /* 04: push %r12 */
1295 0x48, 0x83, 0xec, 0x30, /* 06: sub $0x30,%rsp */
1296 0x90, 0x90, /* 0a: nop; nop */
1297 0x48, 0x83, 0xc4, 0x30, /* 0c: add $0x30,%rsp */
1298 0x41, 0x5c, /* 10: pop %r12 */
1299 0x5f, /* 12: pop %rdi */
1300 0x5e, /* 13: pop %rsi */
1301 0x5d, /* 14: pop %rbp */
1302 0x5b, /* 15: pop %rbx */
1303 0xc3 /* 16: ret */
1304 };
1305
1306 static const BYTE unwind_info_1[] =
1307 {
1308 1 | (UNW_FLAG_EHANDLER << 3), /* version + flags */
1309 0x0a, /* prolog size */
1310 6, /* opcode count */
1311 0, /* frame reg */
1312
1313 0x0a, UWOP(ALLOC_SMALL, 5), /* 0a: sub $0x30,%rsp */
1314 0x06, UWOP(PUSH_NONVOL, r12), /* 06: push %r12 */
1315 0x04, UWOP(PUSH_NONVOL, rdi), /* 04: push %rdi */
1316 0x03, UWOP(PUSH_NONVOL, rsi), /* 03: push %rsi */
1317 0x02, UWOP(PUSH_NONVOL, rbp), /* 02: push %rbp */
1318 0x01, UWOP(PUSH_NONVOL, rbx), /* 01: push %rbx */
1319
1320 0x00, 0x02, 0x00, 0x00, /* handler */
1321 0x05, 0x06, 0x07, 0x08, /* data */
1322 };
1323
1324 static const struct results results_1[] =
1325 {
1326 /* offset rbp handler rip frame registers */
1327 { 0x00, 0x50, FALSE, 0x000, 0x000, { {rsp,0x008}, {-1,-1} }},
1328 { 0x01, 0x50, FALSE, 0x008, 0x000, { {rsp,0x010}, {rbx,0x000}, {-1,-1} }},
1329 { 0x02, 0x50, FALSE, 0x010, 0x000, { {rsp,0x018}, {rbx,0x008}, {rbp,0x000}, {-1,-1} }},
1330 { 0x03, 0x50, FALSE, 0x018, 0x000, { {rsp,0x020}, {rbx,0x010}, {rbp,0x008}, {rsi,0x000}, {-1,-1} }},
1331 { 0x04, 0x50, FALSE, 0x020, 0x000, { {rsp,0x028}, {rbx,0x018}, {rbp,0x010}, {rsi,0x008}, {rdi,0x000}, {-1,-1} }},
1332 { 0x06, 0x50, FALSE, 0x028, 0x000, { {rsp,0x030}, {rbx,0x020}, {rbp,0x018}, {rsi,0x010}, {rdi,0x008}, {r12,0x000}, {-1,-1} }},
1333 { 0x0a, 0x50, TRUE, 0x058, 0x000, { {rsp,0x060}, {rbx,0x050}, {rbp,0x048}, {rsi,0x040}, {rdi,0x038}, {r12,0x030}, {-1,-1} }},
1334 { 0x0c, 0x50, FALSE, 0x058, 0x000, { {rsp,0x060}, {rbx,0x050}, {rbp,0x048}, {rsi,0x040}, {rdi,0x038}, {r12,0x030}, {-1,-1} }},
1335 { 0x10, 0x50, FALSE, 0x028, 0x000, { {rsp,0x030}, {rbx,0x020}, {rbp,0x018}, {rsi,0x010}, {rdi,0x008}, {r12,0x000}, {-1,-1} }},
1336 { 0x12, 0x50, FALSE, 0x020, 0x000, { {rsp,0x028}, {rbx,0x018}, {rbp,0x010}, {rsi,0x008}, {rdi,0x000}, {-1,-1} }},
1337 { 0x13, 0x50, FALSE, 0x018, 0x000, { {rsp,0x020}, {rbx,0x010}, {rbp,0x008}, {rsi,0x000}, {-1,-1} }},
1338 { 0x14, 0x50, FALSE, 0x010, 0x000, { {rsp,0x018}, {rbx,0x008}, {rbp,0x000}, {-1,-1} }},
1339 { 0x15, 0x50, FALSE, 0x008, 0x000, { {rsp,0x010}, {rbx,0x000}, {-1,-1} }},
1340 { 0x16, 0x50, FALSE, 0x000, 0x000, { {rsp,0x008}, {-1,-1} }},
1341 };
1342
1343 static const struct unwind_test tests[] =
1344 {
1345 { function_0, sizeof(function_0), unwind_info_0,
1346 results_0, sizeof(results_0)/sizeof(results_0[0]) },
1347 { function_1, sizeof(function_1), unwind_info_1,
1348 results_1, sizeof(results_1)/sizeof(results_1[0]) }
1349 };
1350 unsigned int i;
1351
1352 for (i = 0; i < sizeof(tests)/sizeof(tests[0]); i++)
1353 call_virtual_unwind( i, &tests[i] );
1354 }
1355
1356 #endif /* __x86_64__ */
1357
1358 START_TEST(exception)
1359 {
1360 HMODULE hntdll = GetModuleHandleA("ntdll.dll");
1361
1362 code_mem = VirtualAlloc(NULL, 65536, MEM_RESERVE | MEM_COMMIT, PAGE_EXECUTE_READWRITE);
1363 if(!code_mem) {
1364 trace("VirtualAlloc failed\n");
1365 return;
1366 }
1367
1368 pNtCurrentTeb = (void *)GetProcAddress( hntdll, "NtCurrentTeb" );
1369 pNtGetContextThread = (void *)GetProcAddress( hntdll, "NtGetContextThread" );
1370 pNtSetContextThread = (void *)GetProcAddress( hntdll, "NtSetContextThread" );
1371 pNtReadVirtualMemory = (void *)GetProcAddress( hntdll, "NtReadVirtualMemory" );
1372 pRtlRaiseException = (void *)GetProcAddress( hntdll, "RtlRaiseException" );
1373 pNtTerminateProcess = (void *)GetProcAddress( hntdll, "NtTerminateProcess" );
1374 pRtlAddVectoredExceptionHandler = (void *)GetProcAddress( hntdll,
1375 "RtlAddVectoredExceptionHandler" );
1376 pRtlRemoveVectoredExceptionHandler = (void *)GetProcAddress( hntdll,
1377 "RtlRemoveVectoredExceptionHandler" );
1378 pNtQueryInformationProcess = (void*)GetProcAddress( hntdll,
1379 "NtQueryInformationProcess" );
1380 pNtSetInformationProcess = (void*)GetProcAddress( hntdll,
1381 "NtSetInformationProcess" );
1382
1383 #ifdef __i386__
1384 if (!pNtCurrentTeb)
1385 {
1386 skip( "NtCurrentTeb not found\n" );
1387 return;
1388 }
1389
1390 if (pRtlAddVectoredExceptionHandler && pRtlRemoveVectoredExceptionHandler)
1391 have_vectored_api = TRUE;
1392 else
1393 skip("RtlAddVectoredExceptionHandler or RtlRemoveVectoredExceptionHandler not found\n");
1394
1395 my_argc = winetest_get_mainargs( &my_argv );
1396 if (my_argc >= 4)
1397 {
1398 void *addr;
1399 sscanf( my_argv[3], "%p", &addr );
1400
1401 if (addr != &test_stage)
1402 {
1403 skip( "child process not mapped at same address (%p/%p)\n", &test_stage, addr);
1404 return;
1405 }
1406
1407 /* child must be run under a debugger */
1408 if (!pNtCurrentTeb()->Peb->BeingDebugged)
1409 {
1410 ok(FALSE, "child process not being debugged?\n");
1411 return;
1412 }
1413
1414 if (pRtlRaiseException)
1415 {
1416 test_stage = 1;
1417 run_rtlraiseexception_test(0x12345);
1418 run_rtlraiseexception_test(EXCEPTION_BREAKPOINT);
1419 run_rtlraiseexception_test(EXCEPTION_INVALID_HANDLE);
1420 test_stage = 2;
1421 run_rtlraiseexception_test(0x12345);
1422 run_rtlraiseexception_test(EXCEPTION_BREAKPOINT);
1423 run_rtlraiseexception_test(EXCEPTION_INVALID_HANDLE);
1424 }
1425 else
1426 skip( "RtlRaiseException not found\n" );
1427
1428 /* rest of tests only run in parent */
1429 return;
1430 }
1431
1432 test_prot_fault();
1433 test_exceptions();
1434 test_rtlraiseexception();
1435 test_debugger();
1436 test_simd_exceptions();
1437 test_fpu_exceptions();
1438 test_dpe_exceptions();
1439
1440 #elif defined(__x86_64__)
1441
1442 test_virtual_unwind();
1443
1444 #endif
1445
1446 VirtualFree(code_mem, 0, MEM_FREE);
1447 }
useful hacks and other patches not (yet) suitable for mainline