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ntdll/tests: Fix some exception tests for Wow64.
[wine/wine-gecko.git] / dlls / ntdll / tests / exception.c
blob598544e474f4331296b0f8720a49db95225f85ae
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 static BOOL (WINAPI *pIsWow64Process)(HANDLE, PBOOL);
53
54 #ifdef __i386__
55
56 #ifndef __WINE_WINTRNL_H
57 #define ProcessExecuteFlags 0x22
58 #define MEM_EXECUTE_OPTION_DISABLE 0x01
59 #define MEM_EXECUTE_OPTION_ENABLE 0x02
60 #define MEM_EXECUTE_OPTION_PERMANENT 0x08
61 #endif
62
63 static int my_argc;
64 static char** my_argv;
65 static int test_stage;
66
67 static BOOL is_wow64;
68
69 /* Test various instruction combinations that cause a protection fault on the i386,
70 * and check what the resulting exception looks like.
71 */
72
73 static const struct exception
74 {
75 BYTE code[18]; /* asm code */
76 BYTE offset; /* offset of faulting instruction */
77 BYTE length; /* length of faulting instruction */
78 BOOL wow64_broken; /* broken on Wow64, should be skipped */
79 NTSTATUS status; /* expected status code */
80 DWORD nb_params; /* expected number of parameters */
81 DWORD params[4]; /* expected parameters */
82 } exceptions[] =
83 {
84 /* 0 */
85 /* test some privileged instructions */
86 { { 0xfb, 0xc3 }, /* 0: sti; ret */
87 0, 1, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
88 { { 0x6c, 0xc3 }, /* 1: insb (%dx); ret */
89 0, 1, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
90 { { 0x6d, 0xc3 }, /* 2: insl (%dx); ret */
91 0, 1, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
92 { { 0x6e, 0xc3 }, /* 3: outsb (%dx); ret */
93 0, 1, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
94 { { 0x6f, 0xc3 }, /* 4: outsl (%dx); ret */
95 0, 1, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
96 /* 5 */
97 { { 0xe4, 0x11, 0xc3 }, /* 5: inb $0x11,%al; ret */
98 0, 2, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
99 { { 0xe5, 0x11, 0xc3 }, /* 6: inl $0x11,%eax; ret */
100 0, 2, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
101 { { 0xe6, 0x11, 0xc3 }, /* 7: outb %al,$0x11; ret */
102 0, 2, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
103 { { 0xe7, 0x11, 0xc3 }, /* 8: outl %eax,$0x11; ret */
104 0, 2, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
105 { { 0xed, 0xc3 }, /* 9: inl (%dx),%eax; ret */
106 0, 1, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
107 /* 10 */
108 { { 0xee, 0xc3 }, /* 10: outb %al,(%dx); ret */
109 0, 1, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
110 { { 0xef, 0xc3 }, /* 11: outl %eax,(%dx); ret */
111 0, 1, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
112 { { 0xf4, 0xc3 }, /* 12: hlt; ret */
113 0, 1, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
114 { { 0xfa, 0xc3 }, /* 13: cli; ret */
115 0, 1, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
116
117 /* test long jump to invalid selector */
118 { { 0xea, 0, 0, 0, 0, 0, 0, 0xc3 }, /* 14: ljmp $0,$0; ret */
119 0, 7, FALSE, STATUS_ACCESS_VIOLATION, 2, { 0, 0xffffffff } },
120
121 /* 15 */
122 /* test iret to invalid selector */
123 { { 0x6a, 0x00, 0x6a, 0x00, 0x6a, 0x00, 0xcf, 0x83, 0xc4, 0x0c, 0xc3 },
124 /* 15: pushl $0; pushl $0; pushl $0; iret; addl $12,%esp; ret */
125 6, 1, FALSE, STATUS_ACCESS_VIOLATION, 2, { 0, 0xffffffff } },
126
127 /* test loading an invalid selector */
128 { { 0xb8, 0xef, 0xbe, 0x00, 0x00, 0x8e, 0xe8, 0xc3 }, /* 16: mov $beef,%ax; mov %ax,%gs; ret */
129 5, 2, FALSE, STATUS_ACCESS_VIOLATION, 2, { 0, 0xbee8 } }, /* 0xbee8 or 0xffffffff */
130
131 /* test accessing a zero selector (%es broken on Wow64) */
132 { { 0x06, 0x31, 0xc0, 0x8e, 0xc0, 0x26, 0xa1, 0, 0, 0, 0, 0x07, 0xc3 },
133 /* push %es; xor %eax,%eax; mov %ax,%es; mov %es:(0),%ax; pop %es; ret */
134 5, 6, TRUE, STATUS_ACCESS_VIOLATION, 2, { 0, 0xffffffff } },
135 { { 0x0f, 0xa8, 0x31, 0xc0, 0x8e, 0xe8, 0x65, 0xa1, 0, 0, 0, 0, 0x0f, 0xa9, 0xc3 },
136 /* push %gs; xor %eax,%eax; mov %ax,%gs; mov %gs:(0),%ax; pop %gs; ret */
137 6, 6, FALSE, STATUS_ACCESS_VIOLATION, 2, { 0, 0xffffffff } },
138
139 /* test moving %cs -> %ss */
140 { { 0x0e, 0x17, 0x58, 0xc3 }, /* 18: pushl %cs; popl %ss; popl %eax; ret */
141 1, 1, FALSE, STATUS_ACCESS_VIOLATION, 2, { 0, 0xffffffff } },
142
143 /* 20 */
144 /* test overlong instruction (limit is 15 bytes, 5 on Win7) */
145 { { 0x64,0x64,0x64,0x64,0x64,0x64,0x64,0x64,0x64,0x64,0x64,0x64,0x64,0x64,0x64,0xfa,0xc3 },
146 0, 16, TRUE, STATUS_ILLEGAL_INSTRUCTION, 0 },
147 { { 0x64,0x64,0x64,0x64,0xfa,0xc3 },
148 0, 5, TRUE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
149
150 /* test invalid interrupt */
151 { { 0xcd, 0xff, 0xc3 }, /* 21: int $0xff; ret */
152 0, 2, FALSE, STATUS_ACCESS_VIOLATION, 2, { 0, 0xffffffff } },
153
154 /* test moves to/from Crx */
155 { { 0x0f, 0x20, 0xc0, 0xc3 }, /* 22: movl %cr0,%eax; ret */
156 0, 3, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
157 { { 0x0f, 0x20, 0xe0, 0xc3 }, /* 23: movl %cr4,%eax; ret */
158 0, 3, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
159 /* 25 */
160 { { 0x0f, 0x22, 0xc0, 0xc3 }, /* 24: movl %eax,%cr0; ret */
161 0, 3, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
162 { { 0x0f, 0x22, 0xe0, 0xc3 }, /* 25: movl %eax,%cr4; ret */
163 0, 3, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
164
165 /* test moves to/from Drx */
166 { { 0x0f, 0x21, 0xc0, 0xc3 }, /* 26: movl %dr0,%eax; ret */
167 0, 3, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
168 { { 0x0f, 0x21, 0xc8, 0xc3 }, /* 27: movl %dr1,%eax; ret */
169 0, 3, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
170 { { 0x0f, 0x21, 0xf8, 0xc3 }, /* 28: movl %dr7,%eax; ret */
171 0, 3, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
172 /* 30 */
173 { { 0x0f, 0x23, 0xc0, 0xc3 }, /* 29: movl %eax,%dr0; ret */
174 0, 3, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
175 { { 0x0f, 0x23, 0xc8, 0xc3 }, /* 30: movl %eax,%dr1; ret */
176 0, 3, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
177 { { 0x0f, 0x23, 0xf8, 0xc3 }, /* 31: movl %eax,%dr7; ret */
178 0, 3, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
179
180 /* test memory reads */
181 { { 0xa1, 0xfc, 0xff, 0xff, 0xff, 0xc3 }, /* 32: movl 0xfffffffc,%eax; ret */
182 0, 5, FALSE, STATUS_ACCESS_VIOLATION, 2, { 0, 0xfffffffc } },
183 { { 0xa1, 0xfd, 0xff, 0xff, 0xff, 0xc3 }, /* 33: movl 0xfffffffd,%eax; ret */
184 0, 5, FALSE, STATUS_ACCESS_VIOLATION, 2, { 0, 0xfffffffd } },
185 /* 35 */
186 { { 0xa1, 0xfe, 0xff, 0xff, 0xff, 0xc3 }, /* 34: movl 0xfffffffe,%eax; ret */
187 0, 5, FALSE, STATUS_ACCESS_VIOLATION, 2, { 0, 0xfffffffe } },
188 { { 0xa1, 0xff, 0xff, 0xff, 0xff, 0xc3 }, /* 35: movl 0xffffffff,%eax; ret */
189 0, 5, FALSE, STATUS_ACCESS_VIOLATION, 2, { 0, 0xffffffff } },
190
191 /* test memory writes */
192 { { 0xa3, 0xfc, 0xff, 0xff, 0xff, 0xc3 }, /* 36: movl %eax,0xfffffffc; ret */
193 0, 5, FALSE, STATUS_ACCESS_VIOLATION, 2, { 1, 0xfffffffc } },
194 { { 0xa3, 0xfd, 0xff, 0xff, 0xff, 0xc3 }, /* 37: movl %eax,0xfffffffd; ret */
195 0, 5, FALSE, STATUS_ACCESS_VIOLATION, 2, { 1, 0xfffffffd } },
196 { { 0xa3, 0xfe, 0xff, 0xff, 0xff, 0xc3 }, /* 38: movl %eax,0xfffffffe; ret */
197 0, 5, FALSE, STATUS_ACCESS_VIOLATION, 2, { 1, 0xfffffffe } },
198 /* 40 */
199 { { 0xa3, 0xff, 0xff, 0xff, 0xff, 0xc3 }, /* 39: movl %eax,0xffffffff; ret */
200 0, 5, FALSE, STATUS_ACCESS_VIOLATION, 2, { 1, 0xffffffff } },
201
202 /* test exception with cleared %ds and %es (broken on Wow64) */
203 { { 0x1e, 0x06, 0x31, 0xc0, 0x8e, 0xd8, 0x8e, 0xc0, 0xfa, 0x07, 0x1f, 0xc3 },
204 /* push %ds; push %es; xorl %eax,%eax; mov %ax,%ds; mov %ax,%es; cli; pop %es; pop %ds; ret */
205 8, 1, TRUE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
206 };
207
208 static int got_exception;
209 static BOOL have_vectored_api;
210
211 static void run_exception_test(void *handler, const void* context,
212 const void *code, unsigned int code_size,
213 DWORD access)
214 {
215 struct {
216 EXCEPTION_REGISTRATION_RECORD frame;
217 const void *context;
218 } exc_frame;
219 void (*func)(void) = code_mem;
220 DWORD oldaccess, oldaccess2;
221
222 exc_frame.frame.Handler = handler;
223 exc_frame.frame.Prev = pNtCurrentTeb()->Tib.ExceptionList;
224 exc_frame.context = context;
225
226 memcpy(code_mem, code, code_size);
227 if(access)
228 VirtualProtect(code_mem, code_size, access, &oldaccess);
229
230 pNtCurrentTeb()->Tib.ExceptionList = &exc_frame.frame;
231 func();
232 pNtCurrentTeb()->Tib.ExceptionList = exc_frame.frame.Prev;
233
234 if(access)
235 VirtualProtect(code_mem, code_size, oldaccess, &oldaccess2);
236 }
237
238 static LONG CALLBACK rtlraiseexception_vectored_handler(EXCEPTION_POINTERS *ExceptionInfo)
239 {
240 PCONTEXT context = ExceptionInfo->ContextRecord;
241 PEXCEPTION_RECORD rec = ExceptionInfo->ExceptionRecord;
242 trace("vect. handler %08x addr:%p context.Eip:%x\n", rec->ExceptionCode,
243 rec->ExceptionAddress, context->Eip);
244
245 ok(rec->ExceptionAddress == (char *)code_mem + 0xb, "ExceptionAddress at %p instead of %p\n",
246 rec->ExceptionAddress, (char *)code_mem + 0xb);
247
248 if (pNtCurrentTeb()->Peb->BeingDebugged)
249 ok((void *)context->Eax == pRtlRaiseException ||
250 broken( is_wow64 && context->Eax == 0xf00f00f1 ), /* broken on vista */
251 "debugger managed to modify Eax to %x should be %p\n",
252 context->Eax, pRtlRaiseException);
253
254 /* check that context.Eip is fixed up only for EXCEPTION_BREAKPOINT
255 * even if raised by RtlRaiseException
256 */
257 if(rec->ExceptionCode == EXCEPTION_BREAKPOINT)
258 {
259 ok(context->Eip == (DWORD)code_mem + 0xa ||
260 broken(context->Eip == (DWORD)code_mem + 0xb), /* win2k3 */
261 "Eip at %x instead of %x or %x\n", context->Eip,
262 (DWORD)code_mem + 0xa, (DWORD)code_mem + 0xb);
263 }
264 else
265 {
266 ok(context->Eip == (DWORD)code_mem + 0xb, "Eip at %x instead of %x\n",
267 context->Eip, (DWORD)code_mem + 0xb);
268 }
269
270 /* test if context change is preserved from vectored handler to stack handlers */
271 context->Eax = 0xf00f00f0;
272 return EXCEPTION_CONTINUE_SEARCH;
273 }
274
275 static DWORD rtlraiseexception_handler( EXCEPTION_RECORD *rec, EXCEPTION_REGISTRATION_RECORD *frame,
276 CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **dispatcher )
277 {
278 trace( "exception: %08x flags:%x addr:%p context: Eip:%x\n",
279 rec->ExceptionCode, rec->ExceptionFlags, rec->ExceptionAddress, context->Eip );
280
281 ok(rec->ExceptionAddress == (char *)code_mem + 0xb, "ExceptionAddress at %p instead of %p\n",
282 rec->ExceptionAddress, (char *)code_mem + 0xb);
283
284 /* check that context.Eip is fixed up only for EXCEPTION_BREAKPOINT
285 * even if raised by RtlRaiseException
286 */
287 if(rec->ExceptionCode == EXCEPTION_BREAKPOINT)
288 {
289 ok(context->Eip == (DWORD)code_mem + 0xa ||
290 broken(context->Eip == (DWORD)code_mem + 0xb), /* win2k3 */
291 "Eip at %x instead of %x or %x\n", context->Eip,
292 (DWORD)code_mem + 0xa, (DWORD)code_mem + 0xb);
293 }
294 else
295 {
296 ok(context->Eip == (DWORD)code_mem + 0xb, "Eip at %x instead of %x\n",
297 context->Eip, (DWORD)code_mem + 0xb);
298 }
299
300 if(have_vectored_api)
301 ok(context->Eax == 0xf00f00f0, "Eax is %x, should have been set to 0xf00f00f0 in vectored handler\n",
302 context->Eax);
303
304 /* give the debugger a chance to examine the state a second time */
305 /* without the exception handler changing Eip */
306 if (test_stage == 2)
307 return ExceptionContinueSearch;
308
309 /* Eip in context is decreased by 1
310 * Increase it again, else execution will continue in the middle of a instruction */
311 if(rec->ExceptionCode == EXCEPTION_BREAKPOINT && (context->Eip == (DWORD)code_mem + 0xa))
312 context->Eip += 1;
313 return ExceptionContinueExecution;
314 }
315
316
317 static const BYTE call_one_arg_code[] = {
318 0x8b, 0x44, 0x24, 0x08, /* mov 0x8(%esp),%eax */
319 0x50, /* push %eax */
320 0x8b, 0x44, 0x24, 0x08, /* mov 0x8(%esp),%eax */
321 0xff, 0xd0, /* call *%eax */
322 0x90, /* nop */
323 0x90, /* nop */
324 0x90, /* nop */
325 0x90, /* nop */
326 0xc3, /* ret */
327 };
328
329
330 static void run_rtlraiseexception_test(DWORD exceptioncode)
331 {
332 EXCEPTION_REGISTRATION_RECORD frame;
333 EXCEPTION_RECORD record;
334 PVOID vectored_handler = NULL;
335
336 void (*func)(void* function, EXCEPTION_RECORD* record) = code_mem;
337
338 record.ExceptionCode = exceptioncode;
339 record.ExceptionFlags = 0;
340 record.ExceptionRecord = NULL;
341 record.ExceptionAddress = NULL; /* does not matter, copied return address */
342 record.NumberParameters = 0;
343
344 frame.Handler = rtlraiseexception_handler;
345 frame.Prev = pNtCurrentTeb()->Tib.ExceptionList;
346
347 memcpy(code_mem, call_one_arg_code, sizeof(call_one_arg_code));
348
349 pNtCurrentTeb()->Tib.ExceptionList = &frame;
350 if (have_vectored_api)
351 {
352 vectored_handler = pRtlAddVectoredExceptionHandler(TRUE, &rtlraiseexception_vectored_handler);
353 ok(vectored_handler != 0, "RtlAddVectoredExceptionHandler failed\n");
354 }
355
356 func(pRtlRaiseException, &record);
357 ok( record.ExceptionAddress == (char *)code_mem + 0x0b,
358 "address set to %p instead of %p\n", record.ExceptionAddress, (char *)code_mem + 0x0b );
359
360 if (have_vectored_api)
361 pRtlRemoveVectoredExceptionHandler(vectored_handler);
362 pNtCurrentTeb()->Tib.ExceptionList = frame.Prev;
363 }
364
365 static void test_rtlraiseexception(void)
366 {
367 if (!pRtlRaiseException)
368 {
369 skip("RtlRaiseException not found\n");
370 return;
371 }
372
373 /* test without debugger */
374 run_rtlraiseexception_test(0x12345);
375 run_rtlraiseexception_test(EXCEPTION_BREAKPOINT);
376 run_rtlraiseexception_test(EXCEPTION_INVALID_HANDLE);
377 }
378
379 static DWORD handler( EXCEPTION_RECORD *rec, EXCEPTION_REGISTRATION_RECORD *frame,
380 CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **dispatcher )
381 {
382 const struct exception *except = *(const struct exception **)(frame + 1);
383 unsigned int i, entry = except - exceptions;
384
385 got_exception++;
386 trace( "exception %u: %x flags:%x addr:%p\n",
387 entry, rec->ExceptionCode, rec->ExceptionFlags, rec->ExceptionAddress );
388
389 ok( rec->ExceptionCode == except->status,
390 "%u: Wrong exception code %x/%x\n", entry, rec->ExceptionCode, except->status );
391 ok( rec->ExceptionAddress == (char*)code_mem + except->offset,
392 "%u: Wrong exception address %p/%p\n", entry,
393 rec->ExceptionAddress, (char*)code_mem + except->offset );
394
395 ok( rec->NumberParameters == except->nb_params,
396 "%u: Wrong number of parameters %u/%u\n", entry, rec->NumberParameters, except->nb_params );
397
398 /* Most CPUs (except Intel Core apparently) report a segment limit violation */
399 /* instead of page faults for accesses beyond 0xffffffff */
400 if (except->nb_params == 2 && except->params[1] >= 0xfffffffd)
401 {
402 if (rec->ExceptionInformation[0] == 0 && rec->ExceptionInformation[1] == 0xffffffff)
403 goto skip_params;
404 }
405
406 /* Seems that both 0xbee8 and 0xfffffffff can be returned in windows */
407 if (except->nb_params == 2 && rec->NumberParameters == 2
408 && except->params[1] == 0xbee8 && rec->ExceptionInformation[1] == 0xffffffff
409 && except->params[0] == rec->ExceptionInformation[0])
410 {
411 goto skip_params;
412 }
413
414 for (i = 0; i < rec->NumberParameters; i++)
415 ok( rec->ExceptionInformation[i] == except->params[i],
416 "%u: Wrong parameter %d: %lx/%x\n",
417 entry, i, rec->ExceptionInformation[i], except->params[i] );
418
419 skip_params:
420 /* don't handle exception if it's not the address we expected */
421 if (rec->ExceptionAddress != (char*)code_mem + except->offset) return ExceptionContinueSearch;
422
423 context->Eip += except->length;
424 return ExceptionContinueExecution;
425 }
426
427 static void test_prot_fault(void)
428 {
429 unsigned int i;
430
431 for (i = 0; i < sizeof(exceptions)/sizeof(exceptions[0]); i++)
432 {
433 if (is_wow64 && exceptions[i].wow64_broken && !strcmp( winetest_platform, "windows" ))
434 {
435 skip( "Exception %u broken on Wow64\n", i );
436 continue;
437 }
438 got_exception = 0;
439 run_exception_test(handler, &exceptions[i], &exceptions[i].code,
440 sizeof(exceptions[i].code), 0);
441 if (!i && !got_exception)
442 {
443 trace( "No exception, assuming win9x, no point in testing further\n" );
444 break;
445 }
446 ok( got_exception == (exceptions[i].status != 0),
447 "%u: bad exception count %d\n", i, got_exception );
448 }
449 }
450
451 /* test handling of debug registers */
452 static DWORD dreg_handler( EXCEPTION_RECORD *rec, EXCEPTION_REGISTRATION_RECORD *frame,
453 CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **dispatcher )
454 {
455 context->Eip += 2; /* Skips the popl (%eax) */
456 context->Dr0 = 0x42424242;
457 context->Dr1 = 0;
458 context->Dr2 = 0;
459 context->Dr3 = 0;
460 context->Dr6 = 0;
461 context->Dr7 = 0x155;
462 return ExceptionContinueExecution;
463 }
464
465 static const BYTE segfault_code[5] = {
466 0x31, 0xc0, /* xor %eax,%eax */
467 0x8f, 0x00, /* popl (%eax) - cause exception */
468 0xc3 /* ret */
469 };
470
471 /* test the single step exception behaviour */
472 static DWORD single_step_handler( EXCEPTION_RECORD *rec, EXCEPTION_REGISTRATION_RECORD *frame,
473 CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **dispatcher )
474 {
475 got_exception++;
476 ok (!(context->EFlags & 0x100), "eflags has single stepping bit set\n");
477
478 if( got_exception < 3)
479 context->EFlags |= 0x100; /* single step until popf instruction */
480 else {
481 /* show that the last single step exception on the popf instruction
482 * (which removed the TF bit), still is a EXCEPTION_SINGLE_STEP exception */
483 ok( rec->ExceptionCode == EXCEPTION_SINGLE_STEP,
484 "exception is not EXCEPTION_SINGLE_STEP: %x\n", rec->ExceptionCode);
485 }
486
487 return ExceptionContinueExecution;
488 }
489
490 static const BYTE single_stepcode[] = {
491 0x9c, /* pushf */
492 0x58, /* pop %eax */
493 0x0d,0,1,0,0, /* or $0x100,%eax */
494 0x50, /* push %eax */
495 0x9d, /* popf */
496 0x35,0,1,0,0, /* xor $0x100,%eax */
497 0x50, /* push %eax */
498 0x9d, /* popf */
499 0xc3
500 };
501
502 /* Test the alignment check (AC) flag handling. */
503 static const BYTE align_check_code[] = {
504 0x55, /* push %ebp */
505 0x89,0xe5, /* mov %esp,%ebp */
506 0x9c, /* pushf */
507 0x58, /* pop %eax */
508 0x0d,0,0,4,0, /* or $0x40000,%eax */
509 0x50, /* push %eax */
510 0x9d, /* popf */
511 0x89,0xe0, /* mov %esp, %eax */
512 0x8b,0x40,0x1, /* mov 0x1(%eax), %eax - cause exception */
513 0x9c, /* pushf */
514 0x58, /* pop %eax */
515 0x35,0,0,4,0, /* xor $0x40000,%eax */
516 0x50, /* push %eax */
517 0x9d, /* popf */
518 0x5d, /* pop %ebp */
519 0xc3, /* ret */
520 };
521
522 static DWORD align_check_handler( EXCEPTION_RECORD *rec, EXCEPTION_REGISTRATION_RECORD *frame,
523 CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **dispatcher )
524 {
525 ok (!(context->EFlags & 0x40000), "eflags has AC bit set\n");
526 got_exception++;
527 return ExceptionContinueExecution;
528 }
529
530 /* Test the direction flag handling. */
531 static const BYTE direction_flag_code[] = {
532 0x55, /* push %ebp */
533 0x89,0xe5, /* mov %esp,%ebp */
534 0xfd, /* std */
535 0xfa, /* cli - cause exception */
536 0x5d, /* pop %ebp */
537 0xc3, /* ret */
538 };
539
540 static DWORD direction_flag_handler( EXCEPTION_RECORD *rec, EXCEPTION_REGISTRATION_RECORD *frame,
541 CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **dispatcher )
542 {
543 #ifdef __GNUC__
544 unsigned int flags;
545 __asm__("pushfl; popl %0; cld" : "=r" (flags) );
546 /* older windows versions don't clear DF properly so don't test */
547 if (flags & 0x400) trace( "eflags has DF bit set\n" );
548 #endif
549 ok( context->EFlags & 0x400, "context eflags has DF bit cleared\n" );
550 got_exception++;
551 context->Eip++; /* skip cli */
552 context->EFlags &= ~0x400; /* make sure it is cleared on return */
553 return ExceptionContinueExecution;
554 }
555
556 /* test single stepping over hardware breakpoint */
557 static DWORD bpx_handler( EXCEPTION_RECORD *rec, EXCEPTION_REGISTRATION_RECORD *frame,
558 CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **dispatcher )
559 {
560 got_exception++;
561 ok( rec->ExceptionCode == EXCEPTION_SINGLE_STEP,
562 "wrong exception code: %x\n", rec->ExceptionCode);
563
564 if(got_exception == 1) {
565 /* hw bp exception on first nop */
566 ok( context->Eip == (DWORD)code_mem, "eip is wrong: %x instead of %x\n",
567 context->Eip, (DWORD)code_mem);
568 ok( (context->Dr6 & 0xf) == 1, "B0 flag is not set in Dr6\n");
569 ok( !(context->Dr6 & 0x4000), "BS flag is set in Dr6\n");
570 context->Dr0 = context->Dr0 + 1; /* set hw bp again on next instruction */
571 context->EFlags |= 0x100; /* enable single stepping */
572 } else if( got_exception == 2) {
573 /* single step exception on second nop */
574 ok( context->Eip == (DWORD)code_mem + 1, "eip is wrong: %x instead of %x\n",
575 context->Eip, (DWORD)code_mem + 1);
576 ok( (context->Dr6 & 0x4000), "BS flag is not set in Dr6\n");
577 /* depending on the win version the B0 bit is already set here as well
578 ok( (context->Dr6 & 0xf) == 0, "B0...3 flags in Dr6 shouldn't be set\n"); */
579 context->EFlags |= 0x100;
580 } else if( got_exception == 3) {
581 /* hw bp exception on second nop */
582 ok( context->Eip == (DWORD)code_mem + 1, "eip is wrong: %x instead of %x\n",
583 context->Eip, (DWORD)code_mem + 1);
584 ok( (context->Dr6 & 0xf) == 1, "B0 flag is not set in Dr6\n");
585 ok( !(context->Dr6 & 0x4000), "BS flag is set in Dr6\n");
586 context->Dr0 = 0; /* clear breakpoint */
587 context->EFlags |= 0x100;
588 } else {
589 /* single step exception on ret */
590 ok( context->Eip == (DWORD)code_mem + 2, "eip is wrong: %x instead of %x\n",
591 context->Eip, (DWORD)code_mem + 2);
592 ok( (context->Dr6 & 0xf) == 0, "B0...3 flags in Dr6 shouldn't be set\n");
593 ok( (context->Dr6 & 0x4000), "BS flag is not set in Dr6\n");
594 }
595
596 context->Dr6 = 0; /* clear status register */
597 return ExceptionContinueExecution;
598 }
599
600 static const BYTE dummy_code[] = { 0x90, 0x90, 0xc3 }; /* nop, nop, ret */
601
602 /* test int3 handling */
603 static DWORD int3_handler( EXCEPTION_RECORD *rec, EXCEPTION_REGISTRATION_RECORD *frame,
604 CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **dispatcher )
605 {
606 ok( rec->ExceptionAddress == code_mem, "exception address not at: %p, but at %p\n",
607 code_mem, rec->ExceptionAddress);
608 ok( context->Eip == (DWORD)code_mem, "eip not at: %p, but at %#x\n", code_mem, context->Eip);
609 if(context->Eip == (DWORD)code_mem) context->Eip++; /* skip breakpoint */
610
611 return ExceptionContinueExecution;
612 }
613
614 static const BYTE int3_code[] = { 0xCC, 0xc3 }; /* int 3, ret */
615
616
617 static void test_exceptions(void)
618 {
619 CONTEXT ctx;
620 NTSTATUS res;
621
622 if (!pNtGetContextThread || !pNtSetContextThread)
623 {
624 skip( "NtGetContextThread/NtSetContextThread not found\n" );
625 return;
626 }
627
628 /* test handling of debug registers */
629 run_exception_test(dreg_handler, NULL, &segfault_code, sizeof(segfault_code), 0);
630
631 ctx.ContextFlags = CONTEXT_DEBUG_REGISTERS;
632 res = pNtGetContextThread(GetCurrentThread(), &ctx);
633 ok (res == STATUS_SUCCESS,"NtGetContextThread failed with %x\n", res);
634 ok(ctx.Dr0 == 0x42424242,"failed to set debugregister 0 to 0x42424242, got %x\n", ctx.Dr0);
635 ok((ctx.Dr7 & ~0xdc00) == 0x155,"failed to set debugregister 7 to 0x155, got %x\n", ctx.Dr7);
636
637 /* test single stepping behavior */
638 got_exception = 0;
639 run_exception_test(single_step_handler, NULL, &single_stepcode, sizeof(single_stepcode), 0);
640 ok(got_exception == 3, "expected 3 single step exceptions, got %d\n", got_exception);
641
642 /* test alignment exceptions */
643 got_exception = 0;
644 run_exception_test(align_check_handler, NULL, align_check_code, sizeof(align_check_code), 0);
645 ok(got_exception == 0, "got %d alignment faults, expected 0\n", got_exception);
646
647 /* test direction flag */
648 got_exception = 0;
649 run_exception_test(direction_flag_handler, NULL, direction_flag_code, sizeof(direction_flag_code), 0);
650 ok(got_exception == 1, "got %d exceptions, expected 1\n", got_exception);
651
652 /* test single stepping over hardware breakpoint */
653 memset(&ctx, 0, sizeof(ctx));
654 ctx.Dr0 = (DWORD) code_mem; /* set hw bp on first nop */
655 ctx.Dr7 = 3;
656 ctx.ContextFlags = CONTEXT_DEBUG_REGISTERS;
657 res = pNtSetContextThread( GetCurrentThread(), &ctx);
658 ok( res == STATUS_SUCCESS, "NtSetContextThread faild with %x\n", res);
659
660 got_exception = 0;
661 run_exception_test(bpx_handler, NULL, dummy_code, sizeof(dummy_code), 0);
662 ok( got_exception == 4,"expected 4 exceptions, got %d\n", got_exception);
663
664 /* test int3 handling */
665 run_exception_test(int3_handler, NULL, int3_code, sizeof(int3_code), 0);
666 }
667
668 static void test_debugger(void)
669 {
670 char cmdline[MAX_PATH];
671 PROCESS_INFORMATION pi;
672 STARTUPINFO si = { 0 };
673 DEBUG_EVENT de;
674 DWORD continuestatus;
675 PVOID code_mem_address = NULL;
676 NTSTATUS status;
677 SIZE_T size_read;
678 BOOL ret;
679 int counter = 0;
680 si.cb = sizeof(si);
681
682 if(!pNtGetContextThread || !pNtSetContextThread || !pNtReadVirtualMemory || !pNtTerminateProcess)
683 {
684 skip("NtGetContextThread, NtSetContextThread, NtReadVirtualMemory or NtTerminateProcess not found\n");
685 return;
686 }
687
688 sprintf(cmdline, "%s %s %s %p", my_argv[0], my_argv[1], "debuggee", &test_stage);
689 ret = CreateProcess(NULL, cmdline, NULL, NULL, FALSE, DEBUG_PROCESS, NULL, NULL, &si, &pi);
690 ok(ret, "could not create child process error: %u\n", GetLastError());
691 if (!ret)
692 return;
693
694 do
695 {
696 continuestatus = DBG_CONTINUE;
697 ok(WaitForDebugEvent(&de, INFINITE), "reading debug event\n");
698
699 if (de.dwThreadId != pi.dwThreadId)
700 {
701 trace("event %d not coming from main thread, ignoring\n", de.dwDebugEventCode);
702 ContinueDebugEvent(de.dwProcessId, de.dwThreadId, DBG_CONTINUE);
703 continue;
704 }
705
706 if (de.dwDebugEventCode == CREATE_PROCESS_DEBUG_EVENT)
707 {
708 if(de.u.CreateProcessInfo.lpBaseOfImage != pNtCurrentTeb()->Peb->ImageBaseAddress)
709 {
710 skip("child process loaded at different address, terminating it\n");
711 pNtTerminateProcess(pi.hProcess, 0);
712 }
713 }
714 else if (de.dwDebugEventCode == EXCEPTION_DEBUG_EVENT)
715 {
716 CONTEXT ctx;
717 int stage;
718
719 counter++;
720 status = pNtReadVirtualMemory(pi.hProcess, &code_mem, &code_mem_address,
721 sizeof(code_mem_address), &size_read);
722 ok(!status,"NtReadVirtualMemory failed with 0x%x\n", status);
723 status = pNtReadVirtualMemory(pi.hProcess, &test_stage, &stage,
724 sizeof(stage), &size_read);
725 ok(!status,"NtReadVirtualMemory failed with 0x%x\n", status);
726
727 ctx.ContextFlags = CONTEXT_FULL;
728 status = pNtGetContextThread(pi.hThread, &ctx);
729 ok(!status, "NtGetContextThread failed with 0x%x\n", status);
730
731 trace("exception 0x%x at %p firstchance=%d Eip=0x%x, Eax=0x%x\n",
732 de.u.Exception.ExceptionRecord.ExceptionCode,
733 de.u.Exception.ExceptionRecord.ExceptionAddress, de.u.Exception.dwFirstChance, ctx.Eip, ctx.Eax);
734
735 if (counter > 100)
736 {
737 ok(FALSE, "got way too many exceptions, probaby caught in a infinite loop, terminating child\n");
738 pNtTerminateProcess(pi.hProcess, 1);
739 }
740 else if (counter >= 2) /* skip startup breakpoint */
741 {
742 if (stage == 1)
743 {
744 ok((char *)ctx.Eip == (char *)code_mem_address + 0xb, "Eip at %x instead of %p\n",
745 ctx.Eip, (char *)code_mem_address + 0xb);
746 /* setting the context from debugger does not affect the context, the exception handlers gets */
747 /* uncomment once wine is fixed */
748 /* ctx.Eip = 0x12345; */
749 ctx.Eax = 0xf00f00f1;
750
751 /* let the debuggee handle the exception */
752 continuestatus = DBG_EXCEPTION_NOT_HANDLED;
753 }
754 else if (stage == 2)
755 {
756 if (de.u.Exception.dwFirstChance)
757 {
758 /* debugger gets first chance exception with unmodified ctx.Eip */
759 ok((char *)ctx.Eip == (char *)code_mem_address + 0xb, "Eip at 0x%x instead of %p\n",
760 ctx.Eip, (char *)code_mem_address + 0xb);
761
762 /* setting the context from debugger does not affect the context, the exception handlers gets */
763 /* uncomment once wine is fixed */
764 /* ctx.Eip = 0x12345; */
765 ctx.Eax = 0xf00f00f1;
766
767 /* pass exception to debuggee
768 * exception will not be handled and
769 * a second chance exception will be raised */
770 continuestatus = DBG_EXCEPTION_NOT_HANDLED;
771 }
772 else
773 {
774 /* debugger gets context after exception handler has played with it */
775 /* ctx.Eip is the same value the exception handler got */
776 if (de.u.Exception.ExceptionRecord.ExceptionCode == EXCEPTION_BREAKPOINT)
777 {
778 ok((char *)ctx.Eip == (char *)code_mem_address + 0xa ||
779 broken(is_wow64 && (char *)ctx.Eip == (char *)code_mem_address + 0xb),
780 "Eip at 0x%x instead of %p\n",
781 ctx.Eip, (char *)code_mem_address + 0xa);
782 /* need to fixup Eip for debuggee */
783 if ((char *)ctx.Eip == (char *)code_mem_address + 0xa)
784 ctx.Eip += 1;
785 }
786 else
787 ok((char *)ctx.Eip == (char *)code_mem_address + 0xb, "Eip at 0x%x instead of %p\n",
788 ctx.Eip, (char *)code_mem_address + 0xb);
789 /* here we handle exception */
790 }
791 }
792 else
793 ok(FALSE, "unexpected stage %x\n", stage);
794
795 status = pNtSetContextThread(pi.hThread, &ctx);
796 ok(!status, "NtSetContextThread failed with 0x%x\n", status);
797 }
798 }
799
800 ContinueDebugEvent(de.dwProcessId, de.dwThreadId, continuestatus);
801
802 } while (de.dwDebugEventCode != EXIT_PROCESS_DEBUG_EVENT);
803
804 winetest_wait_child_process( pi.hProcess );
805 ok(CloseHandle(pi.hThread) != 0, "error %u\n", GetLastError());
806 ok(CloseHandle(pi.hProcess) != 0, "error %u\n", GetLastError());
807
808 return;
809 }
810
811 static DWORD simd_fault_handler( EXCEPTION_RECORD *rec, EXCEPTION_REGISTRATION_RECORD *frame,
812 CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **dispatcher )
813 {
814 int *stage = *(int **)(frame + 1);
815
816 got_exception++;
817
818 if( *stage == 1) {
819 /* fault while executing sse instruction */
820 context->Eip += 3; /* skip addps */
821 return ExceptionContinueExecution;
822 }
823
824 /* stage 2 - divide by zero fault */
825 if( rec->ExceptionCode == EXCEPTION_ILLEGAL_INSTRUCTION)
826 skip("system doesn't support SIMD exceptions\n");
827 else {
828 ok( rec->ExceptionCode == STATUS_FLOAT_MULTIPLE_TRAPS,
829 "exception code: %#x, should be %#x\n",
830 rec->ExceptionCode, STATUS_FLOAT_MULTIPLE_TRAPS);
831 ok( rec->NumberParameters == 1 || broken(is_wow64 && rec->NumberParameters == 2),
832 "# of params: %i, should be 1\n",
833 rec->NumberParameters);
834 if( rec->NumberParameters == 1 )
835 ok( rec->ExceptionInformation[0] == 0, "param #1: %lx, should be 0\n", rec->ExceptionInformation[0]);
836 }
837
838 context->Eip += 3; /* skip divps */
839
840 return ExceptionContinueExecution;
841 }
842
843 static const BYTE simd_exception_test[] = {
844 0x83, 0xec, 0x4, /* sub $0x4, %esp */
845 0x0f, 0xae, 0x1c, 0x24, /* stmxcsr (%esp) */
846 0x66, 0x81, 0x24, 0x24, 0xff, 0xfd, /* andw $0xfdff,(%esp) * enable divide by */
847 0x0f, 0xae, 0x14, 0x24, /* ldmxcsr (%esp) * zero exceptions */
848 0x6a, 0x01, /* push $0x1 */
849 0x6a, 0x01, /* push $0x1 */
850 0x6a, 0x01, /* push $0x1 */
851 0x6a, 0x01, /* push $0x1 */
852 0x0f, 0x10, 0x0c, 0x24, /* movups (%esp),%xmm1 * fill dividend */
853 0x0f, 0x57, 0xc0, /* xorps %xmm0,%xmm0 * clear divisor */
854 0x0f, 0x5e, 0xc8, /* divps %xmm0,%xmm1 * generate fault */
855 0x83, 0xc4, 0x10, /* add $0x10,%esp */
856 0x66, 0x81, 0x0c, 0x24, 0x00, 0x02, /* orw $0x200,(%esp) * disable exceptions */
857 0x0f, 0xae, 0x14, 0x24, /* ldmxcsr (%esp) */
858 0x83, 0xc4, 0x04, /* add $0x4,%esp */
859 0xc3, /* ret */
860 };
861
862 static const BYTE sse_check[] = {
863 0x0f, 0x58, 0xc8, /* addps %xmm0,%xmm1 */
864 0xc3, /* ret */
865 };
866
867 static void test_simd_exceptions(void)
868 {
869 int stage;
870
871 /* test if CPU & OS can do sse */
872 stage = 1;
873 got_exception = 0;
874 run_exception_test(simd_fault_handler, &stage, sse_check, sizeof(sse_check), 0);
875 if(got_exception) {
876 skip("system doesn't support SSE\n");
877 return;
878 }
879
880 /* generate a SIMD exception */
881 stage = 2;
882 got_exception = 0;
883 run_exception_test(simd_fault_handler, &stage, simd_exception_test,
884 sizeof(simd_exception_test), 0);
885 ok( got_exception == 1, "got exception: %i, should be 1\n", got_exception);
886 }
887
888 struct fpu_exception_info
889 {
890 DWORD exception_code;
891 DWORD exception_offset;
892 DWORD eip_offset;
893 };
894
895 static DWORD fpu_exception_handler(EXCEPTION_RECORD *rec, EXCEPTION_REGISTRATION_RECORD *frame,
896 CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **dispatcher)
897 {
898 struct fpu_exception_info *info = *(struct fpu_exception_info **)(frame + 1);
899
900 info->exception_code = rec->ExceptionCode;
901 info->exception_offset = (BYTE *)rec->ExceptionAddress - (BYTE *)code_mem;
902 info->eip_offset = context->Eip - (DWORD)code_mem;
903
904 ++context->Eip;
905 return ExceptionContinueExecution;
906 }
907
908 static void test_fpu_exceptions(void)
909 {
910 static const BYTE fpu_exception_test_ie[] =
911 {
912 0x83, 0xec, 0x04, /* sub $0x4,%esp */
913 0x66, 0xc7, 0x04, 0x24, 0xfe, 0x03, /* movw $0x3fe,(%esp) */
914 0x9b, 0xd9, 0x7c, 0x24, 0x02, /* fstcw 0x2(%esp) */
915 0xd9, 0x2c, 0x24, /* fldcw (%esp) */
916 0xd9, 0xee, /* fldz */
917 0xd9, 0xe8, /* fld1 */
918 0xde, 0xf1, /* fdivp */
919 0xdd, 0xd8, /* fstp %st(0) */
920 0xdd, 0xd8, /* fstp %st(0) */
921 0x9b, /* fwait */
922 0xdb, 0xe2, /* fnclex */
923 0xd9, 0x6c, 0x24, 0x02, /* fldcw 0x2(%esp) */
924 0x83, 0xc4, 0x04, /* add $0x4,%esp */
925 0xc3, /* ret */
926 };
927
928 static const BYTE fpu_exception_test_de[] =
929 {
930 0x83, 0xec, 0x04, /* sub $0x4,%esp */
931 0x66, 0xc7, 0x04, 0x24, 0xfb, 0x03, /* movw $0x3fb,(%esp) */
932 0x9b, 0xd9, 0x7c, 0x24, 0x02, /* fstcw 0x2(%esp) */
933 0xd9, 0x2c, 0x24, /* fldcw (%esp) */
934 0xdd, 0xd8, /* fstp %st(0) */
935 0xd9, 0xee, /* fldz */
936 0xd9, 0xe8, /* fld1 */
937 0xde, 0xf1, /* fdivp */
938 0x9b, /* fwait */
939 0xdb, 0xe2, /* fnclex */
940 0xdd, 0xd8, /* fstp %st(0) */
941 0xdd, 0xd8, /* fstp %st(0) */
942 0xd9, 0x6c, 0x24, 0x02, /* fldcw 0x2(%esp) */
943 0x83, 0xc4, 0x04, /* add $0x4,%esp */
944 0xc3, /* ret */
945 };
946
947 struct fpu_exception_info info;
948
949 memset(&info, 0, sizeof(info));
950 run_exception_test(fpu_exception_handler, &info, fpu_exception_test_ie, sizeof(fpu_exception_test_ie), 0);
951 ok(info.exception_code == EXCEPTION_FLT_STACK_CHECK,
952 "Got exception code %#x, expected EXCEPTION_FLT_STACK_CHECK\n", info.exception_code);
953 ok(info.exception_offset == 0x19 ||
954 broken( is_wow64 && info.exception_offset == info.eip_offset ),
955 "Got exception offset %#x, expected 0x19\n", info.exception_offset);
956 ok(info.eip_offset == 0x1b, "Got EIP offset %#x, expected 0x1b\n", info.eip_offset);
957
958 memset(&info, 0, sizeof(info));
959 run_exception_test(fpu_exception_handler, &info, fpu_exception_test_de, sizeof(fpu_exception_test_de), 0);
960 ok(info.exception_code == EXCEPTION_FLT_DIVIDE_BY_ZERO,
961 "Got exception code %#x, expected EXCEPTION_FLT_DIVIDE_BY_ZERO\n", info.exception_code);
962 ok(info.exception_offset == 0x17 ||
963 broken( is_wow64 && info.exception_offset == info.eip_offset ),
964 "Got exception offset %#x, expected 0x17\n", info.exception_offset);
965 ok(info.eip_offset == 0x19, "Got EIP offset %#x, expected 0x19\n", info.eip_offset);
966 }
967
968 struct dpe_exception_info {
969 BOOL exception_caught;
970 DWORD exception_info;
971 };
972
973 static DWORD dpe_exception_handler(EXCEPTION_RECORD *rec, EXCEPTION_REGISTRATION_RECORD *frame,
974 CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **dispatcher)
975 {
976 DWORD old_prot;
977 struct dpe_exception_info *info = *(struct dpe_exception_info **)(frame + 1);
978
979 ok(rec->ExceptionCode == EXCEPTION_ACCESS_VIOLATION,
980 "Exception code %08x\n", rec->ExceptionCode);
981 ok(rec->NumberParameters == 2,
982 "Parameter count: %d\n", rec->NumberParameters);
983 ok((LPVOID)rec->ExceptionInformation[1] == code_mem,
984 "Exception address: %p, expected %p\n",
985 (LPVOID)rec->ExceptionInformation[1], code_mem);
986
987 info->exception_info = rec->ExceptionInformation[0];
988 info->exception_caught = TRUE;
989
990 VirtualProtect(code_mem, 1, PAGE_EXECUTE_READWRITE, &old_prot);
991 return ExceptionContinueExecution;
992 }
993
994 static void test_dpe_exceptions(void)
995 {
996 static char single_ret[] = {0xC3};
997 struct dpe_exception_info info;
998 NTSTATUS stat;
999 BOOL has_hw_support;
1000 BOOL is_permanent = FALSE, can_test_without = TRUE, can_test_with = TRUE;
1001 DWORD val;
1002 ULONG len;
1003
1004 /* Query DEP with len to small */
1005 stat = pNtQueryInformationProcess(GetCurrentProcess(), ProcessExecuteFlags, &val, sizeof val - 1, &len);
1006 if(stat == STATUS_INVALID_INFO_CLASS)
1007 {
1008 skip("This software platform does not support DEP\n");
1009 return;
1010 }
1011 ok(stat == STATUS_INFO_LENGTH_MISMATCH, "buffer too small: %08x\n", stat);
1012
1013 /* Query DEP */
1014 stat = pNtQueryInformationProcess(GetCurrentProcess(), ProcessExecuteFlags, &val, sizeof val, &len);
1015 ok(stat == STATUS_SUCCESS, "querying DEP: status %08x\n", stat);
1016 if(stat == STATUS_SUCCESS)
1017 {
1018 ok(len == sizeof val, "returned length: %d\n", len);
1019 if(val & MEM_EXECUTE_OPTION_PERMANENT)
1020 {
1021 skip("toggling DEP impossible - status locked\n");
1022 is_permanent = TRUE;
1023 if(val & MEM_EXECUTE_OPTION_DISABLE)
1024 can_test_without = FALSE;
1025 else
1026 can_test_with = FALSE;
1027 }
1028 }
1029
1030 if(!is_permanent)
1031 {
1032 /* Enable DEP */
1033 val = MEM_EXECUTE_OPTION_DISABLE;
1034 stat = pNtSetInformationProcess(GetCurrentProcess(), ProcessExecuteFlags, &val, sizeof val);
1035 ok(stat == STATUS_SUCCESS, "enabling DEP: status %08x\n", stat);
1036 }
1037
1038 if(can_test_with)
1039 {
1040 /* Try access to locked page with DEP on*/
1041 info.exception_caught = FALSE;
1042 run_exception_test(dpe_exception_handler, &info, single_ret, sizeof(single_ret), PAGE_NOACCESS);
1043 ok(info.exception_caught == TRUE, "Execution of disabled memory succeeded\n");
1044 ok(info.exception_info == EXCEPTION_READ_FAULT ||
1045 info.exception_info == EXCEPTION_EXECUTE_FAULT,
1046 "Access violation type: %08x\n", (unsigned)info.exception_info);
1047 has_hw_support = info.exception_info == EXCEPTION_EXECUTE_FAULT;
1048 trace("DEP hardware support: %s\n", has_hw_support?"Yes":"No");
1049
1050 /* Try execution of data with DEP on*/
1051 info.exception_caught = FALSE;
1052 run_exception_test(dpe_exception_handler, &info, single_ret, sizeof(single_ret), PAGE_READWRITE);
1053 if(has_hw_support)
1054 {
1055 ok(info.exception_caught == TRUE, "Execution of data memory succeeded\n");
1056 ok(info.exception_info == EXCEPTION_EXECUTE_FAULT,
1057 "Access violation type: %08x\n", (unsigned)info.exception_info);
1058 }
1059 else
1060 ok(info.exception_caught == FALSE, "Execution trapped without hardware support\n");
1061 }
1062 else
1063 skip("DEP is in AlwaysOff state\n");
1064
1065 if(!is_permanent)
1066 {
1067 /* Disable DEP */
1068 val = MEM_EXECUTE_OPTION_ENABLE;
1069 stat = pNtSetInformationProcess(GetCurrentProcess(), ProcessExecuteFlags, &val, sizeof val);
1070 ok(stat == STATUS_SUCCESS, "disabling DEP: status %08x\n", stat);
1071 }
1072
1073 /* page is read without exec here */
1074 if(can_test_without)
1075 {
1076 /* Try execution of data with DEP off */
1077 info.exception_caught = FALSE;
1078 run_exception_test(dpe_exception_handler, &info, single_ret, sizeof(single_ret), PAGE_READWRITE);
1079 ok(info.exception_caught == FALSE, "Execution trapped with DEP turned off\n");
1080
1081 /* Try access to locked page with DEP off - error code is different than
1082 with hardware DEP on */
1083 info.exception_caught = FALSE;
1084 run_exception_test(dpe_exception_handler, &info, single_ret, sizeof(single_ret), PAGE_NOACCESS);
1085 ok(info.exception_caught == TRUE, "Execution of disabled memory succeeded\n");
1086 ok(info.exception_info == EXCEPTION_READ_FAULT,
1087 "Access violation type: %08x\n", (unsigned)info.exception_info);
1088 }
1089 else
1090 skip("DEP is in AlwaysOn state\n");
1091
1092 if(!is_permanent)
1093 {
1094 /* Turn off DEP permanently */
1095 val = MEM_EXECUTE_OPTION_ENABLE | MEM_EXECUTE_OPTION_PERMANENT;
1096 stat = pNtSetInformationProcess(GetCurrentProcess(), ProcessExecuteFlags, &val, sizeof val);
1097 ok(stat == STATUS_SUCCESS, "disabling DEP permanently: status %08x\n", stat);
1098 }
1099
1100 /* Try to turn off DEP */
1101 val = MEM_EXECUTE_OPTION_ENABLE;
1102 stat = pNtSetInformationProcess(GetCurrentProcess(), ProcessExecuteFlags, &val, sizeof val);
1103 ok(stat == STATUS_ACCESS_DENIED, "disabling DEP while permanent: status %08x\n", stat);
1104
1105 /* Try to turn on DEP */
1106 val = MEM_EXECUTE_OPTION_DISABLE;
1107 stat = pNtSetInformationProcess(GetCurrentProcess(), ProcessExecuteFlags, &val, sizeof val);
1108 ok(stat == STATUS_ACCESS_DENIED, "enabling DEP while permanent: status %08x\n", stat);
1109 }
1110
1111 #elif defined(__x86_64__)
1112
1113 #define UNW_FLAG_NHANDLER 0
1114 #define UNW_FLAG_EHANDLER 1
1115 #define UNW_FLAG_UHANDLER 2
1116 #define UNW_FLAG_CHAININFO 4
1117
1118 #define UWOP_PUSH_NONVOL 0
1119 #define UWOP_ALLOC_LARGE 1
1120 #define UWOP_ALLOC_SMALL 2
1121 #define UWOP_SET_FPREG 3
1122 #define UWOP_SAVE_NONVOL 4
1123 #define UWOP_SAVE_NONVOL_FAR 5
1124 #define UWOP_SAVE_XMM128 8
1125 #define UWOP_SAVE_XMM128_FAR 9
1126 #define UWOP_PUSH_MACHFRAME 10
1127
1128 struct results
1129 {
1130 int rip_offset; /* rip offset from code start */
1131 int rbp_offset; /* rbp offset from stack pointer */
1132 int handler; /* expect handler to be set? */
1133 int rip; /* expected final rip value */
1134 int frame; /* expected frame return value */
1135 int regs[8][2]; /* expected values for registers */
1136 };
1137
1138 struct unwind_test
1139 {
1140 const BYTE *function;
1141 size_t function_size;
1142 const BYTE *unwind_info;
1143 const struct results *results;
1144 unsigned int nb_results;
1145 };
1146
1147 enum regs
1148 {
1149 rax, rcx, rdx, rbx, rsp, rbp, rsi, rdi,
1150 r8, r9, r10, r11, r12, r13, r14, r15
1151 };
1152
1153 static const char * const reg_names[16] =
1154 {
1155 "rax", "rcx", "rdx", "rbx", "rsp", "rbp", "rsi", "rdi",
1156 "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15"
1157 };
1158
1159 #define UWOP(code,info) (UWOP_##code | ((info) << 4))
1160
1161 static void call_virtual_unwind( int testnum, const struct unwind_test *test )
1162 {
1163 static const int code_offset = 1024;
1164 static const int unwind_offset = 2048;
1165 void *handler, *data;
1166 CONTEXT context;
1167 RUNTIME_FUNCTION runtime_func;
1168 KNONVOLATILE_CONTEXT_POINTERS ctx_ptr;
1169 UINT i, j, k;
1170 ULONG64 fake_stack[256];
1171 ULONG64 frame, orig_rip, orig_rbp, unset_reg;
1172 UINT unwind_size = 4 + 2 * test->unwind_info[2] + 8;
1173
1174 memcpy( (char *)code_mem + code_offset, test->function, test->function_size );
1175 memcpy( (char *)code_mem + unwind_offset, test->unwind_info, unwind_size );
1176
1177 runtime_func.BeginAddress = code_offset;
1178 runtime_func.EndAddress = code_offset + test->function_size;
1179 runtime_func.UnwindData = unwind_offset;
1180
1181 trace( "code: %p stack: %p\n", code_mem, fake_stack );
1182
1183 for (i = 0; i < test->nb_results; i++)
1184 {
1185 memset( &ctx_ptr, 0, sizeof(ctx_ptr) );
1186 memset( &context, 0x55, sizeof(context) );
1187 memset( &unset_reg, 0x55, sizeof(unset_reg) );
1188 for (j = 0; j < 256; j++) fake_stack[j] = j * 8;
1189
1190 context.Rsp = (ULONG_PTR)fake_stack;
1191 context.Rbp = (ULONG_PTR)fake_stack + test->results[i].rbp_offset;
1192 orig_rbp = context.Rbp;
1193 orig_rip = (ULONG64)code_mem + code_offset + test->results[i].rip_offset;
1194
1195 trace( "%u/%u: rip=%p (%02x) rbp=%p rsp=%p\n", testnum, i,
1196 (void *)orig_rip, *(BYTE *)orig_rip, (void *)orig_rbp, (void *)context.Rsp );
1197
1198 data = (void *)0xdeadbeef;
1199 handler = RtlVirtualUnwind( UNW_FLAG_EHANDLER, (ULONG64)code_mem, orig_rip,
1200 &runtime_func, &context, &data, &frame, &ctx_ptr );
1201 if (test->results[i].handler)
1202 {
1203 ok( (char *)handler == (char *)code_mem + 0x200,
1204 "%u/%u: wrong handler %p/%p\n", testnum, i, handler, (char *)code_mem + 0x200 );
1205 if (handler) ok( *(DWORD *)data == 0x08070605,
1206 "%u/%u: wrong handler data %p\n", testnum, i, data );
1207 }
1208 else
1209 {
1210 ok( handler == NULL, "%u/%u: handler %p instead of NULL\n", testnum, i, handler );
1211 ok( data == (void *)0xdeadbeef, "%u/%u: handler data set to %p\n", testnum, i, data );
1212 }
1213
1214 ok( context.Rip == test->results[i].rip, "%u/%u: wrong rip %p/%x\n",
1215 testnum, i, (void *)context.Rip, test->results[i].rip );
1216 ok( frame == (ULONG64)fake_stack + test->results[i].frame, "%u/%u: wrong frame %p/%p\n",
1217 testnum, i, (void *)frame, (char *)fake_stack + test->results[i].frame );
1218
1219 for (j = 0; j < 16; j++)
1220 {
1221 static const UINT nb_regs = sizeof(test->results[i].regs) / sizeof(test->results[i].regs[0]);
1222
1223 for (k = 0; k < nb_regs; k++)
1224 {
1225 if (test->results[i].regs[k][0] == -1)
1226 {
1227 k = nb_regs;
1228 break;
1229 }
1230 if (test->results[i].regs[k][0] == j) break;
1231 }
1232
1233 if (j == rsp) /* rsp is special */
1234 {
1235 ok( !ctx_ptr.u2.IntegerContext[j],
1236 "%u/%u: rsp should not be set in ctx_ptr\n", testnum, i );
1237 ok( context.Rsp == (ULONG64)fake_stack + test->results[i].regs[k][1],
1238 "%u/%u: register rsp wrong %p/%p\n",
1239 testnum, i, (void *)context.Rsp, (char *)fake_stack + test->results[i].regs[k][1] );
1240 continue;
1241 }
1242
1243 if (ctx_ptr.u2.IntegerContext[j])
1244 {
1245 ok( k < nb_regs, "%u/%u: register %s should not be set to %lx\n",
1246 testnum, i, reg_names[j], *(&context.Rax + j) );
1247 if (k < nb_regs)
1248 ok( *(&context.Rax + j) == test->results[i].regs[k][1],
1249 "%u/%u: register %s wrong %p/%x\n",
1250 testnum, i, reg_names[j], (void *)*(&context.Rax + j), test->results[i].regs[k][1] );
1251 }
1252 else
1253 {
1254 ok( k == nb_regs, "%u/%u: register %s should be set\n", testnum, i, reg_names[j] );
1255 if (j == rbp)
1256 ok( context.Rbp == orig_rbp, "%u/%u: register rbp wrong %p/unset\n",
1257 testnum, i, (void *)context.Rbp );
1258 else
1259 ok( *(&context.Rax + j) == unset_reg,
1260 "%u/%u: register %s wrong %p/unset\n",
1261 testnum, i, reg_names[j], (void *)*(&context.Rax + j));
1262 }
1263 }
1264 }
1265 }
1266
1267 static void test_virtual_unwind(void)
1268 {
1269 static const BYTE function_0[] =
1270 {
1271 0xff, 0xf5, /* 00: push %rbp */
1272 0x48, 0x81, 0xec, 0x10, 0x01, 0x00, 0x00, /* 02: sub $0x110,%rsp */
1273 0x48, 0x8d, 0x6c, 0x24, 0x30, /* 09: lea 0x30(%rsp),%rbp */
1274 0x48, 0x89, 0x9d, 0xf0, 0x00, 0x00, 0x00, /* 0e: mov %rbx,0xf0(%rbp) */
1275 0x48, 0x89, 0xb5, 0xf8, 0x00, 0x00, 0x00, /* 15: mov %rsi,0xf8(%rbp) */
1276 0x90, /* 1c: nop */
1277 0x48, 0x8b, 0x9d, 0xf0, 0x00, 0x00, 0x00, /* 1d: mov 0xf0(%rbp),%rbx */
1278 0x48, 0x8b, 0xb5, 0xf8, 0x00, 0x00, 0x00, /* 24: mov 0xf8(%rbp),%rsi */
1279 0x48, 0x8d, 0xa5, 0xe0, 0x00, 0x00, 0x00, /* 2b: lea 0xe0(%rbp),%rsp */
1280 0x5d, /* 32: pop %rbp */
1281 0xc3 /* 33: ret */
1282 };
1283
1284 static const BYTE unwind_info_0[] =
1285 {
1286 1 | (UNW_FLAG_EHANDLER << 3), /* version + flags */
1287 0x1c, /* prolog size */
1288 8, /* opcode count */
1289 (0x03 << 4) | rbp, /* frame reg rbp offset 0x30 */
1290
1291 0x1c, UWOP(SAVE_NONVOL, rsi), 0x25, 0, /* 1c: mov %rsi,0x128(%rsp) */
1292 0x15, UWOP(SAVE_NONVOL, rbx), 0x24, 0, /* 15: mov %rbx,0x120(%rsp) */
1293 0x0e, UWOP(SET_FPREG, rbp), /* 0e: lea 0x30(%rsp),rbp */
1294 0x09, UWOP(ALLOC_LARGE, 0), 0x22, 0, /* 09: sub $0x110,%rsp */
1295 0x02, UWOP(PUSH_NONVOL, rbp), /* 02: push %rbp */
1296
1297 0x00, 0x02, 0x00, 0x00, /* handler */
1298 0x05, 0x06, 0x07, 0x08, /* data */
1299 };
1300
1301 static const struct results results_0[] =
1302 {
1303 /* offset rbp handler rip frame registers */
1304 { 0x00, 0x40, FALSE, 0x000, 0x000, { {rsp,0x008}, {-1,-1} }},
1305 { 0x02, 0x40, FALSE, 0x008, 0x000, { {rsp,0x010}, {rbp,0x000}, {-1,-1} }},
1306 { 0x09, 0x40, FALSE, 0x118, 0x000, { {rsp,0x120}, {rbp,0x110}, {-1,-1} }},
1307 { 0x0e, 0x40, FALSE, 0x128, 0x010, { {rsp,0x130}, {rbp,0x120}, {-1,-1} }},
1308 { 0x15, 0x40, FALSE, 0x128, 0x010, { {rsp,0x130}, {rbp,0x120}, {rbx,0x130}, {-1,-1} }},
1309 { 0x1c, 0x40, TRUE, 0x128, 0x010, { {rsp,0x130}, {rbp,0x120}, {rbx,0x130}, {rsi,0x138}, {-1,-1}}},
1310 { 0x1d, 0x40, TRUE, 0x128, 0x010, { {rsp,0x130}, {rbp,0x120}, {rbx,0x130}, {rsi,0x138}, {-1,-1}}},
1311 { 0x24, 0x40, TRUE, 0x128, 0x010, { {rsp,0x130}, {rbp,0x120}, {rbx,0x130}, {rsi,0x138}, {-1,-1}}},
1312 { 0x2b, 0x40, FALSE, 0x128, 0x010, { {rsp,0x130}, {rbp,0x120}, {-1,-1}}},
1313 { 0x32, 0x40, FALSE, 0x008, 0x010, { {rsp,0x010}, {rbp,0x000}, {-1,-1}}},
1314 { 0x33, 0x40, FALSE, 0x000, 0x010, { {rsp,0x008}, {-1,-1}}},
1315 };
1316
1317
1318 static const BYTE function_1[] =
1319 {
1320 0x53, /* 00: push %rbx */
1321 0x55, /* 01: push %rbp */
1322 0x56, /* 02: push %rsi */
1323 0x57, /* 03: push %rdi */
1324 0x41, 0x54, /* 04: push %r12 */
1325 0x48, 0x83, 0xec, 0x30, /* 06: sub $0x30,%rsp */
1326 0x90, 0x90, /* 0a: nop; nop */
1327 0x48, 0x83, 0xc4, 0x30, /* 0c: add $0x30,%rsp */
1328 0x41, 0x5c, /* 10: pop %r12 */
1329 0x5f, /* 12: pop %rdi */
1330 0x5e, /* 13: pop %rsi */
1331 0x5d, /* 14: pop %rbp */
1332 0x5b, /* 15: pop %rbx */
1333 0xc3 /* 16: ret */
1334 };
1335
1336 static const BYTE unwind_info_1[] =
1337 {
1338 1 | (UNW_FLAG_EHANDLER << 3), /* version + flags */
1339 0x0a, /* prolog size */
1340 6, /* opcode count */
1341 0, /* frame reg */
1342
1343 0x0a, UWOP(ALLOC_SMALL, 5), /* 0a: sub $0x30,%rsp */
1344 0x06, UWOP(PUSH_NONVOL, r12), /* 06: push %r12 */
1345 0x04, UWOP(PUSH_NONVOL, rdi), /* 04: push %rdi */
1346 0x03, UWOP(PUSH_NONVOL, rsi), /* 03: push %rsi */
1347 0x02, UWOP(PUSH_NONVOL, rbp), /* 02: push %rbp */
1348 0x01, UWOP(PUSH_NONVOL, rbx), /* 01: push %rbx */
1349
1350 0x00, 0x02, 0x00, 0x00, /* handler */
1351 0x05, 0x06, 0x07, 0x08, /* data */
1352 };
1353
1354 static const struct results results_1[] =
1355 {
1356 /* offset rbp handler rip frame registers */
1357 { 0x00, 0x50, FALSE, 0x000, 0x000, { {rsp,0x008}, {-1,-1} }},
1358 { 0x01, 0x50, FALSE, 0x008, 0x000, { {rsp,0x010}, {rbx,0x000}, {-1,-1} }},
1359 { 0x02, 0x50, FALSE, 0x010, 0x000, { {rsp,0x018}, {rbx,0x008}, {rbp,0x000}, {-1,-1} }},
1360 { 0x03, 0x50, FALSE, 0x018, 0x000, { {rsp,0x020}, {rbx,0x010}, {rbp,0x008}, {rsi,0x000}, {-1,-1} }},
1361 { 0x04, 0x50, FALSE, 0x020, 0x000, { {rsp,0x028}, {rbx,0x018}, {rbp,0x010}, {rsi,0x008}, {rdi,0x000}, {-1,-1} }},
1362 { 0x06, 0x50, FALSE, 0x028, 0x000, { {rsp,0x030}, {rbx,0x020}, {rbp,0x018}, {rsi,0x010}, {rdi,0x008}, {r12,0x000}, {-1,-1} }},
1363 { 0x0a, 0x50, TRUE, 0x058, 0x000, { {rsp,0x060}, {rbx,0x050}, {rbp,0x048}, {rsi,0x040}, {rdi,0x038}, {r12,0x030}, {-1,-1} }},
1364 { 0x0c, 0x50, FALSE, 0x058, 0x000, { {rsp,0x060}, {rbx,0x050}, {rbp,0x048}, {rsi,0x040}, {rdi,0x038}, {r12,0x030}, {-1,-1} }},
1365 { 0x10, 0x50, FALSE, 0x028, 0x000, { {rsp,0x030}, {rbx,0x020}, {rbp,0x018}, {rsi,0x010}, {rdi,0x008}, {r12,0x000}, {-1,-1} }},
1366 { 0x12, 0x50, FALSE, 0x020, 0x000, { {rsp,0x028}, {rbx,0x018}, {rbp,0x010}, {rsi,0x008}, {rdi,0x000}, {-1,-1} }},
1367 { 0x13, 0x50, FALSE, 0x018, 0x000, { {rsp,0x020}, {rbx,0x010}, {rbp,0x008}, {rsi,0x000}, {-1,-1} }},
1368 { 0x14, 0x50, FALSE, 0x010, 0x000, { {rsp,0x018}, {rbx,0x008}, {rbp,0x000}, {-1,-1} }},
1369 { 0x15, 0x50, FALSE, 0x008, 0x000, { {rsp,0x010}, {rbx,0x000}, {-1,-1} }},
1370 { 0x16, 0x50, FALSE, 0x000, 0x000, { {rsp,0x008}, {-1,-1} }},
1371 };
1372
1373 static const struct unwind_test tests[] =
1374 {
1375 { function_0, sizeof(function_0), unwind_info_0,
1376 results_0, sizeof(results_0)/sizeof(results_0[0]) },
1377 { function_1, sizeof(function_1), unwind_info_1,
1378 results_1, sizeof(results_1)/sizeof(results_1[0]) }
1379 };
1380 unsigned int i;
1381
1382 for (i = 0; i < sizeof(tests)/sizeof(tests[0]); i++)
1383 call_virtual_unwind( i, &tests[i] );
1384 }
1385
1386 #endif /* __x86_64__ */
1387
1388 START_TEST(exception)
1389 {
1390 HMODULE hntdll = GetModuleHandleA("ntdll.dll");
1391
1392 code_mem = VirtualAlloc(NULL, 65536, MEM_RESERVE | MEM_COMMIT, PAGE_EXECUTE_READWRITE);
1393 if(!code_mem) {
1394 trace("VirtualAlloc failed\n");
1395 return;
1396 }
1397
1398 pNtCurrentTeb = (void *)GetProcAddress( hntdll, "NtCurrentTeb" );
1399 pNtGetContextThread = (void *)GetProcAddress( hntdll, "NtGetContextThread" );
1400 pNtSetContextThread = (void *)GetProcAddress( hntdll, "NtSetContextThread" );
1401 pNtReadVirtualMemory = (void *)GetProcAddress( hntdll, "NtReadVirtualMemory" );
1402 pRtlRaiseException = (void *)GetProcAddress( hntdll, "RtlRaiseException" );
1403 pNtTerminateProcess = (void *)GetProcAddress( hntdll, "NtTerminateProcess" );
1404 pRtlAddVectoredExceptionHandler = (void *)GetProcAddress( hntdll,
1405 "RtlAddVectoredExceptionHandler" );
1406 pRtlRemoveVectoredExceptionHandler = (void *)GetProcAddress( hntdll,
1407 "RtlRemoveVectoredExceptionHandler" );
1408 pNtQueryInformationProcess = (void*)GetProcAddress( hntdll,
1409 "NtQueryInformationProcess" );
1410 pNtSetInformationProcess = (void*)GetProcAddress( hntdll,
1411 "NtSetInformationProcess" );
1412 pIsWow64Process = (void *)GetProcAddress(GetModuleHandle("kernel32.dll"), "IsWow64Process");
1413
1414 #ifdef __i386__
1415 if (!pNtCurrentTeb)
1416 {
1417 skip( "NtCurrentTeb not found\n" );
1418 return;
1419 }
1420 if (!pIsWow64Process || !pIsWow64Process( GetCurrentProcess(), &is_wow64 )) is_wow64 = FALSE;
1421
1422 if (pRtlAddVectoredExceptionHandler && pRtlRemoveVectoredExceptionHandler)
1423 have_vectored_api = TRUE;
1424 else
1425 skip("RtlAddVectoredExceptionHandler or RtlRemoveVectoredExceptionHandler not found\n");
1426
1427 my_argc = winetest_get_mainargs( &my_argv );
1428 if (my_argc >= 4)
1429 {
1430 void *addr;
1431 sscanf( my_argv[3], "%p", &addr );
1432
1433 if (addr != &test_stage)
1434 {
1435 skip( "child process not mapped at same address (%p/%p)\n", &test_stage, addr);
1436 return;
1437 }
1438
1439 /* child must be run under a debugger */
1440 if (!pNtCurrentTeb()->Peb->BeingDebugged)
1441 {
1442 ok(FALSE, "child process not being debugged?\n");
1443 return;
1444 }
1445
1446 if (pRtlRaiseException)
1447 {
1448 test_stage = 1;
1449 run_rtlraiseexception_test(0x12345);
1450 run_rtlraiseexception_test(EXCEPTION_BREAKPOINT);
1451 run_rtlraiseexception_test(EXCEPTION_INVALID_HANDLE);
1452 test_stage = 2;
1453 run_rtlraiseexception_test(0x12345);
1454 run_rtlraiseexception_test(EXCEPTION_BREAKPOINT);
1455 run_rtlraiseexception_test(EXCEPTION_INVALID_HANDLE);
1456 }
1457 else
1458 skip( "RtlRaiseException not found\n" );
1459
1460 /* rest of tests only run in parent */
1461 return;
1462 }
1463
1464 test_prot_fault();
1465 test_exceptions();
1466 test_rtlraiseexception();
1467 test_debugger();
1468 test_simd_exceptions();
1469 test_fpu_exceptions();
1470 test_dpe_exceptions();
1471
1472 #elif defined(__x86_64__)
1473
1474 test_virtual_unwind();
1475
1476 #endif
1477
1478 VirtualFree(code_mem, 0, MEM_FREE);
1479 }
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