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push 738d605ff53d3691640a21cc20e5d55aef342d7c
[wine/hacks.git] / dlls / ntdll / tests / exception.c
blob701b6bba091dddce724075dc41dd2ab407f28ac4
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 { { 0xf1, 0x90, 0xc3 }, /* icebp; nop; ret */
208 1, 1, FALSE, STATUS_SINGLE_STEP, 0 },
209 };
210
211 static int got_exception;
212 static BOOL have_vectored_api;
213
214 static void run_exception_test(void *handler, const void* context,
215 const void *code, unsigned int code_size,
216 DWORD access)
217 {
218 struct {
219 EXCEPTION_REGISTRATION_RECORD frame;
220 const void *context;
221 } exc_frame;
222 void (*func)(void) = code_mem;
223 DWORD oldaccess, oldaccess2;
224
225 exc_frame.frame.Handler = handler;
226 exc_frame.frame.Prev = pNtCurrentTeb()->Tib.ExceptionList;
227 exc_frame.context = context;
228
229 memcpy(code_mem, code, code_size);
230 if(access)
231 VirtualProtect(code_mem, code_size, access, &oldaccess);
232
233 pNtCurrentTeb()->Tib.ExceptionList = &exc_frame.frame;
234 func();
235 pNtCurrentTeb()->Tib.ExceptionList = exc_frame.frame.Prev;
236
237 if(access)
238 VirtualProtect(code_mem, code_size, oldaccess, &oldaccess2);
239 }
240
241 static LONG CALLBACK rtlraiseexception_vectored_handler(EXCEPTION_POINTERS *ExceptionInfo)
242 {
243 PCONTEXT context = ExceptionInfo->ContextRecord;
244 PEXCEPTION_RECORD rec = ExceptionInfo->ExceptionRecord;
245 trace("vect. handler %08x addr:%p context.Eip:%x\n", rec->ExceptionCode,
246 rec->ExceptionAddress, context->Eip);
247
248 ok(rec->ExceptionAddress == (char *)code_mem + 0xb, "ExceptionAddress at %p instead of %p\n",
249 rec->ExceptionAddress, (char *)code_mem + 0xb);
250
251 if (pNtCurrentTeb()->Peb->BeingDebugged)
252 ok((void *)context->Eax == pRtlRaiseException ||
253 broken( is_wow64 && context->Eax == 0xf00f00f1 ), /* broken on vista */
254 "debugger managed to modify Eax to %x should be %p\n",
255 context->Eax, pRtlRaiseException);
256
257 /* check that context.Eip is fixed up only for EXCEPTION_BREAKPOINT
258 * even if raised by RtlRaiseException
259 */
260 if(rec->ExceptionCode == EXCEPTION_BREAKPOINT)
261 {
262 ok(context->Eip == (DWORD)code_mem + 0xa ||
263 broken(context->Eip == (DWORD)code_mem + 0xb), /* win2k3 */
264 "Eip at %x instead of %x or %x\n", context->Eip,
265 (DWORD)code_mem + 0xa, (DWORD)code_mem + 0xb);
266 }
267 else
268 {
269 ok(context->Eip == (DWORD)code_mem + 0xb, "Eip at %x instead of %x\n",
270 context->Eip, (DWORD)code_mem + 0xb);
271 }
272
273 /* test if context change is preserved from vectored handler to stack handlers */
274 context->Eax = 0xf00f00f0;
275 return EXCEPTION_CONTINUE_SEARCH;
276 }
277
278 static DWORD rtlraiseexception_handler( EXCEPTION_RECORD *rec, EXCEPTION_REGISTRATION_RECORD *frame,
279 CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **dispatcher )
280 {
281 trace( "exception: %08x flags:%x addr:%p context: Eip:%x\n",
282 rec->ExceptionCode, rec->ExceptionFlags, rec->ExceptionAddress, context->Eip );
283
284 ok(rec->ExceptionAddress == (char *)code_mem + 0xb, "ExceptionAddress at %p instead of %p\n",
285 rec->ExceptionAddress, (char *)code_mem + 0xb);
286
287 /* check that context.Eip is fixed up only for EXCEPTION_BREAKPOINT
288 * even if raised by RtlRaiseException
289 */
290 if(rec->ExceptionCode == EXCEPTION_BREAKPOINT)
291 {
292 ok(context->Eip == (DWORD)code_mem + 0xa ||
293 broken(context->Eip == (DWORD)code_mem + 0xb), /* win2k3 */
294 "Eip at %x instead of %x or %x\n", context->Eip,
295 (DWORD)code_mem + 0xa, (DWORD)code_mem + 0xb);
296 }
297 else
298 {
299 ok(context->Eip == (DWORD)code_mem + 0xb, "Eip at %x instead of %x\n",
300 context->Eip, (DWORD)code_mem + 0xb);
301 }
302
303 if(have_vectored_api)
304 ok(context->Eax == 0xf00f00f0, "Eax is %x, should have been set to 0xf00f00f0 in vectored handler\n",
305 context->Eax);
306
307 /* give the debugger a chance to examine the state a second time */
308 /* without the exception handler changing Eip */
309 if (test_stage == 2)
310 return ExceptionContinueSearch;
311
312 /* Eip in context is decreased by 1
313 * Increase it again, else execution will continue in the middle of a instruction */
314 if(rec->ExceptionCode == EXCEPTION_BREAKPOINT && (context->Eip == (DWORD)code_mem + 0xa))
315 context->Eip += 1;
316 return ExceptionContinueExecution;
317 }
318
319
320 static const BYTE call_one_arg_code[] = {
321 0x8b, 0x44, 0x24, 0x08, /* mov 0x8(%esp),%eax */
322 0x50, /* push %eax */
323 0x8b, 0x44, 0x24, 0x08, /* mov 0x8(%esp),%eax */
324 0xff, 0xd0, /* call *%eax */
325 0x90, /* nop */
326 0x90, /* nop */
327 0x90, /* nop */
328 0x90, /* nop */
329 0xc3, /* ret */
330 };
331
332
333 static void run_rtlraiseexception_test(DWORD exceptioncode)
334 {
335 EXCEPTION_REGISTRATION_RECORD frame;
336 EXCEPTION_RECORD record;
337 PVOID vectored_handler = NULL;
338
339 void (*func)(void* function, EXCEPTION_RECORD* record) = code_mem;
340
341 record.ExceptionCode = exceptioncode;
342 record.ExceptionFlags = 0;
343 record.ExceptionRecord = NULL;
344 record.ExceptionAddress = NULL; /* does not matter, copied return address */
345 record.NumberParameters = 0;
346
347 frame.Handler = rtlraiseexception_handler;
348 frame.Prev = pNtCurrentTeb()->Tib.ExceptionList;
349
350 memcpy(code_mem, call_one_arg_code, sizeof(call_one_arg_code));
351
352 pNtCurrentTeb()->Tib.ExceptionList = &frame;
353 if (have_vectored_api)
354 {
355 vectored_handler = pRtlAddVectoredExceptionHandler(TRUE, &rtlraiseexception_vectored_handler);
356 ok(vectored_handler != 0, "RtlAddVectoredExceptionHandler failed\n");
357 }
358
359 func(pRtlRaiseException, &record);
360 ok( record.ExceptionAddress == (char *)code_mem + 0x0b,
361 "address set to %p instead of %p\n", record.ExceptionAddress, (char *)code_mem + 0x0b );
362
363 if (have_vectored_api)
364 pRtlRemoveVectoredExceptionHandler(vectored_handler);
365 pNtCurrentTeb()->Tib.ExceptionList = frame.Prev;
366 }
367
368 static void test_rtlraiseexception(void)
369 {
370 if (!pRtlRaiseException)
371 {
372 skip("RtlRaiseException not found\n");
373 return;
374 }
375
376 /* test without debugger */
377 run_rtlraiseexception_test(0x12345);
378 run_rtlraiseexception_test(EXCEPTION_BREAKPOINT);
379 run_rtlraiseexception_test(EXCEPTION_INVALID_HANDLE);
380 }
381
382 static DWORD handler( EXCEPTION_RECORD *rec, EXCEPTION_REGISTRATION_RECORD *frame,
383 CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **dispatcher )
384 {
385 const struct exception *except = *(const struct exception **)(frame + 1);
386 unsigned int i, entry = except - exceptions;
387
388 got_exception++;
389 trace( "exception %u: %x flags:%x addr:%p\n",
390 entry, rec->ExceptionCode, rec->ExceptionFlags, rec->ExceptionAddress );
391
392 ok( rec->ExceptionCode == except->status,
393 "%u: Wrong exception code %x/%x\n", entry, rec->ExceptionCode, except->status );
394 ok( rec->ExceptionAddress == (char*)code_mem + except->offset,
395 "%u: Wrong exception address %p/%p\n", entry,
396 rec->ExceptionAddress, (char*)code_mem + except->offset );
397
398 ok( rec->NumberParameters == except->nb_params,
399 "%u: Wrong number of parameters %u/%u\n", entry, rec->NumberParameters, except->nb_params );
400
401 /* Most CPUs (except Intel Core apparently) report a segment limit violation */
402 /* instead of page faults for accesses beyond 0xffffffff */
403 if (except->nb_params == 2 && except->params[1] >= 0xfffffffd)
404 {
405 if (rec->ExceptionInformation[0] == 0 && rec->ExceptionInformation[1] == 0xffffffff)
406 goto skip_params;
407 }
408
409 /* Seems that both 0xbee8 and 0xfffffffff can be returned in windows */
410 if (except->nb_params == 2 && rec->NumberParameters == 2
411 && except->params[1] == 0xbee8 && rec->ExceptionInformation[1] == 0xffffffff
412 && except->params[0] == rec->ExceptionInformation[0])
413 {
414 goto skip_params;
415 }
416
417 for (i = 0; i < rec->NumberParameters; i++)
418 ok( rec->ExceptionInformation[i] == except->params[i],
419 "%u: Wrong parameter %d: %lx/%x\n",
420 entry, i, rec->ExceptionInformation[i], except->params[i] );
421
422 skip_params:
423 /* don't handle exception if it's not the address we expected */
424 if (rec->ExceptionAddress != (char*)code_mem + except->offset) return ExceptionContinueSearch;
425
426 context->Eip += except->length;
427 return ExceptionContinueExecution;
428 }
429
430 static void test_prot_fault(void)
431 {
432 unsigned int i;
433
434 for (i = 0; i < sizeof(exceptions)/sizeof(exceptions[0]); i++)
435 {
436 if (is_wow64 && exceptions[i].wow64_broken && !strcmp( winetest_platform, "windows" ))
437 {
438 skip( "Exception %u broken on Wow64\n", i );
439 continue;
440 }
441 got_exception = 0;
442 run_exception_test(handler, &exceptions[i], &exceptions[i].code,
443 sizeof(exceptions[i].code), 0);
444 if (!i && !got_exception)
445 {
446 trace( "No exception, assuming win9x, no point in testing further\n" );
447 break;
448 }
449 ok( got_exception == (exceptions[i].status != 0),
450 "%u: bad exception count %d\n", i, got_exception );
451 }
452 }
453
454 /* test handling of debug registers */
455 static DWORD dreg_handler( EXCEPTION_RECORD *rec, EXCEPTION_REGISTRATION_RECORD *frame,
456 CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **dispatcher )
457 {
458 context->Eip += 2; /* Skips the popl (%eax) */
459 context->Dr0 = 0x42424242;
460 context->Dr1 = 0;
461 context->Dr2 = 0;
462 context->Dr3 = 0;
463 context->Dr6 = 0;
464 context->Dr7 = 0x155;
465 return ExceptionContinueExecution;
466 }
467
468 static const BYTE segfault_code[5] = {
469 0x31, 0xc0, /* xor %eax,%eax */
470 0x8f, 0x00, /* popl (%eax) - cause exception */
471 0xc3 /* ret */
472 };
473
474 /* test the single step exception behaviour */
475 static DWORD single_step_handler( EXCEPTION_RECORD *rec, EXCEPTION_REGISTRATION_RECORD *frame,
476 CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **dispatcher )
477 {
478 got_exception++;
479 ok (!(context->EFlags & 0x100), "eflags has single stepping bit set\n");
480
481 if( got_exception < 3)
482 context->EFlags |= 0x100; /* single step until popf instruction */
483 else {
484 /* show that the last single step exception on the popf instruction
485 * (which removed the TF bit), still is a EXCEPTION_SINGLE_STEP exception */
486 ok( rec->ExceptionCode == EXCEPTION_SINGLE_STEP,
487 "exception is not EXCEPTION_SINGLE_STEP: %x\n", rec->ExceptionCode);
488 }
489
490 return ExceptionContinueExecution;
491 }
492
493 static const BYTE single_stepcode[] = {
494 0x9c, /* pushf */
495 0x58, /* pop %eax */
496 0x0d,0,1,0,0, /* or $0x100,%eax */
497 0x50, /* push %eax */
498 0x9d, /* popf */
499 0x35,0,1,0,0, /* xor $0x100,%eax */
500 0x50, /* push %eax */
501 0x9d, /* popf */
502 0xc3
503 };
504
505 /* Test the alignment check (AC) flag handling. */
506 static const BYTE align_check_code[] = {
507 0x55, /* push %ebp */
508 0x89,0xe5, /* mov %esp,%ebp */
509 0x9c, /* pushf */
510 0x58, /* pop %eax */
511 0x0d,0,0,4,0, /* or $0x40000,%eax */
512 0x50, /* push %eax */
513 0x9d, /* popf */
514 0x89,0xe0, /* mov %esp, %eax */
515 0x8b,0x40,0x1, /* mov 0x1(%eax), %eax - cause exception */
516 0x9c, /* pushf */
517 0x58, /* pop %eax */
518 0x35,0,0,4,0, /* xor $0x40000,%eax */
519 0x50, /* push %eax */
520 0x9d, /* popf */
521 0x5d, /* pop %ebp */
522 0xc3, /* ret */
523 };
524
525 static DWORD align_check_handler( EXCEPTION_RECORD *rec, EXCEPTION_REGISTRATION_RECORD *frame,
526 CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **dispatcher )
527 {
528 ok (!(context->EFlags & 0x40000), "eflags has AC bit set\n");
529 got_exception++;
530 return ExceptionContinueExecution;
531 }
532
533 /* Test the direction flag handling. */
534 static const BYTE direction_flag_code[] = {
535 0x55, /* push %ebp */
536 0x89,0xe5, /* mov %esp,%ebp */
537 0xfd, /* std */
538 0xfa, /* cli - cause exception */
539 0x5d, /* pop %ebp */
540 0xc3, /* ret */
541 };
542
543 static DWORD direction_flag_handler( EXCEPTION_RECORD *rec, EXCEPTION_REGISTRATION_RECORD *frame,
544 CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **dispatcher )
545 {
546 #ifdef __GNUC__
547 unsigned int flags;
548 __asm__("pushfl; popl %0; cld" : "=r" (flags) );
549 /* older windows versions don't clear DF properly so don't test */
550 if (flags & 0x400) trace( "eflags has DF bit set\n" );
551 #endif
552 ok( context->EFlags & 0x400, "context eflags has DF bit cleared\n" );
553 got_exception++;
554 context->Eip++; /* skip cli */
555 context->EFlags &= ~0x400; /* make sure it is cleared on return */
556 return ExceptionContinueExecution;
557 }
558
559 /* test single stepping over hardware breakpoint */
560 static DWORD bpx_handler( EXCEPTION_RECORD *rec, EXCEPTION_REGISTRATION_RECORD *frame,
561 CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **dispatcher )
562 {
563 got_exception++;
564 ok( rec->ExceptionCode == EXCEPTION_SINGLE_STEP,
565 "wrong exception code: %x\n", rec->ExceptionCode);
566
567 if(got_exception == 1) {
568 /* hw bp exception on first nop */
569 ok( context->Eip == (DWORD)code_mem, "eip is wrong: %x instead of %x\n",
570 context->Eip, (DWORD)code_mem);
571 ok( (context->Dr6 & 0xf) == 1, "B0 flag is not set in Dr6\n");
572 ok( !(context->Dr6 & 0x4000), "BS flag is set in Dr6\n");
573 context->Dr0 = context->Dr0 + 1; /* set hw bp again on next instruction */
574 context->EFlags |= 0x100; /* enable single stepping */
575 } else if( got_exception == 2) {
576 /* single step exception on second nop */
577 ok( context->Eip == (DWORD)code_mem + 1, "eip is wrong: %x instead of %x\n",
578 context->Eip, (DWORD)code_mem + 1);
579 ok( (context->Dr6 & 0x4000), "BS flag is not set in Dr6\n");
580 /* depending on the win version the B0 bit is already set here as well
581 ok( (context->Dr6 & 0xf) == 0, "B0...3 flags in Dr6 shouldn't be set\n"); */
582 context->EFlags |= 0x100;
583 } else if( got_exception == 3) {
584 /* hw bp exception on second nop */
585 ok( context->Eip == (DWORD)code_mem + 1, "eip is wrong: %x instead of %x\n",
586 context->Eip, (DWORD)code_mem + 1);
587 ok( (context->Dr6 & 0xf) == 1, "B0 flag is not set in Dr6\n");
588 ok( !(context->Dr6 & 0x4000), "BS flag is set in Dr6\n");
589 context->Dr0 = 0; /* clear breakpoint */
590 context->EFlags |= 0x100;
591 } else {
592 /* single step exception on ret */
593 ok( context->Eip == (DWORD)code_mem + 2, "eip is wrong: %x instead of %x\n",
594 context->Eip, (DWORD)code_mem + 2);
595 ok( (context->Dr6 & 0xf) == 0, "B0...3 flags in Dr6 shouldn't be set\n");
596 ok( (context->Dr6 & 0x4000), "BS flag is not set in Dr6\n");
597 }
598
599 context->Dr6 = 0; /* clear status register */
600 return ExceptionContinueExecution;
601 }
602
603 static const BYTE dummy_code[] = { 0x90, 0x90, 0xc3 }; /* nop, nop, ret */
604
605 /* test int3 handling */
606 static DWORD int3_handler( EXCEPTION_RECORD *rec, EXCEPTION_REGISTRATION_RECORD *frame,
607 CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **dispatcher )
608 {
609 ok( rec->ExceptionAddress == code_mem, "exception address not at: %p, but at %p\n",
610 code_mem, rec->ExceptionAddress);
611 ok( context->Eip == (DWORD)code_mem, "eip not at: %p, but at %#x\n", code_mem, context->Eip);
612 if(context->Eip == (DWORD)code_mem) context->Eip++; /* skip breakpoint */
613
614 return ExceptionContinueExecution;
615 }
616
617 static const BYTE int3_code[] = { 0xCC, 0xc3 }; /* int 3, ret */
618
619
620 static void test_exceptions(void)
621 {
622 CONTEXT ctx;
623 NTSTATUS res;
624
625 if (!pNtGetContextThread || !pNtSetContextThread)
626 {
627 skip( "NtGetContextThread/NtSetContextThread not found\n" );
628 return;
629 }
630
631 /* test handling of debug registers */
632 run_exception_test(dreg_handler, NULL, &segfault_code, sizeof(segfault_code), 0);
633
634 ctx.ContextFlags = CONTEXT_DEBUG_REGISTERS;
635 res = pNtGetContextThread(GetCurrentThread(), &ctx);
636 ok (res == STATUS_SUCCESS,"NtGetContextThread failed with %x\n", res);
637 ok(ctx.Dr0 == 0x42424242,"failed to set debugregister 0 to 0x42424242, got %x\n", ctx.Dr0);
638 ok((ctx.Dr7 & ~0xdc00) == 0x155,"failed to set debugregister 7 to 0x155, got %x\n", ctx.Dr7);
639
640 /* test single stepping behavior */
641 got_exception = 0;
642 run_exception_test(single_step_handler, NULL, &single_stepcode, sizeof(single_stepcode), 0);
643 ok(got_exception == 3, "expected 3 single step exceptions, got %d\n", got_exception);
644
645 /* test alignment exceptions */
646 got_exception = 0;
647 run_exception_test(align_check_handler, NULL, align_check_code, sizeof(align_check_code), 0);
648 ok(got_exception == 0, "got %d alignment faults, expected 0\n", got_exception);
649
650 /* test direction flag */
651 got_exception = 0;
652 run_exception_test(direction_flag_handler, NULL, direction_flag_code, sizeof(direction_flag_code), 0);
653 ok(got_exception == 1, "got %d exceptions, expected 1\n", got_exception);
654
655 /* test single stepping over hardware breakpoint */
656 memset(&ctx, 0, sizeof(ctx));
657 ctx.Dr0 = (DWORD) code_mem; /* set hw bp on first nop */
658 ctx.Dr7 = 3;
659 ctx.ContextFlags = CONTEXT_DEBUG_REGISTERS;
660 res = pNtSetContextThread( GetCurrentThread(), &ctx);
661 ok( res == STATUS_SUCCESS, "NtSetContextThread faild with %x\n", res);
662
663 got_exception = 0;
664 run_exception_test(bpx_handler, NULL, dummy_code, sizeof(dummy_code), 0);
665 ok( got_exception == 4,"expected 4 exceptions, got %d\n", got_exception);
666
667 /* test int3 handling */
668 run_exception_test(int3_handler, NULL, int3_code, sizeof(int3_code), 0);
669 }
670
671 static void test_debugger(void)
672 {
673 char cmdline[MAX_PATH];
674 PROCESS_INFORMATION pi;
675 STARTUPINFO si = { 0 };
676 DEBUG_EVENT de;
677 DWORD continuestatus;
678 PVOID code_mem_address = NULL;
679 NTSTATUS status;
680 SIZE_T size_read;
681 BOOL ret;
682 int counter = 0;
683 si.cb = sizeof(si);
684
685 if(!pNtGetContextThread || !pNtSetContextThread || !pNtReadVirtualMemory || !pNtTerminateProcess)
686 {
687 skip("NtGetContextThread, NtSetContextThread, NtReadVirtualMemory or NtTerminateProcess not found\n");
688 return;
689 }
690
691 sprintf(cmdline, "%s %s %s %p", my_argv[0], my_argv[1], "debuggee", &test_stage);
692 ret = CreateProcess(NULL, cmdline, NULL, NULL, FALSE, DEBUG_PROCESS, NULL, NULL, &si, &pi);
693 ok(ret, "could not create child process error: %u\n", GetLastError());
694 if (!ret)
695 return;
696
697 do
698 {
699 continuestatus = DBG_CONTINUE;
700 ok(WaitForDebugEvent(&de, INFINITE), "reading debug event\n");
701
702 if (de.dwThreadId != pi.dwThreadId)
703 {
704 trace("event %d not coming from main thread, ignoring\n", de.dwDebugEventCode);
705 ContinueDebugEvent(de.dwProcessId, de.dwThreadId, DBG_CONTINUE);
706 continue;
707 }
708
709 if (de.dwDebugEventCode == CREATE_PROCESS_DEBUG_EVENT)
710 {
711 if(de.u.CreateProcessInfo.lpBaseOfImage != pNtCurrentTeb()->Peb->ImageBaseAddress)
712 {
713 skip("child process loaded at different address, terminating it\n");
714 pNtTerminateProcess(pi.hProcess, 0);
715 }
716 }
717 else if (de.dwDebugEventCode == EXCEPTION_DEBUG_EVENT)
718 {
719 CONTEXT ctx;
720 int stage;
721
722 counter++;
723 status = pNtReadVirtualMemory(pi.hProcess, &code_mem, &code_mem_address,
724 sizeof(code_mem_address), &size_read);
725 ok(!status,"NtReadVirtualMemory failed with 0x%x\n", status);
726 status = pNtReadVirtualMemory(pi.hProcess, &test_stage, &stage,
727 sizeof(stage), &size_read);
728 ok(!status,"NtReadVirtualMemory failed with 0x%x\n", status);
729
730 ctx.ContextFlags = CONTEXT_FULL;
731 status = pNtGetContextThread(pi.hThread, &ctx);
732 ok(!status, "NtGetContextThread failed with 0x%x\n", status);
733
734 trace("exception 0x%x at %p firstchance=%d Eip=0x%x, Eax=0x%x\n",
735 de.u.Exception.ExceptionRecord.ExceptionCode,
736 de.u.Exception.ExceptionRecord.ExceptionAddress, de.u.Exception.dwFirstChance, ctx.Eip, ctx.Eax);
737
738 if (counter > 100)
739 {
740 ok(FALSE, "got way too many exceptions, probaby caught in a infinite loop, terminating child\n");
741 pNtTerminateProcess(pi.hProcess, 1);
742 }
743 else if (counter >= 2) /* skip startup breakpoint */
744 {
745 if (stage == 1)
746 {
747 ok((char *)ctx.Eip == (char *)code_mem_address + 0xb, "Eip at %x instead of %p\n",
748 ctx.Eip, (char *)code_mem_address + 0xb);
749 /* setting the context from debugger does not affect the context, the exception handlers gets */
750 /* uncomment once wine is fixed */
751 /* ctx.Eip = 0x12345; */
752 ctx.Eax = 0xf00f00f1;
753
754 /* let the debuggee handle the exception */
755 continuestatus = DBG_EXCEPTION_NOT_HANDLED;
756 }
757 else if (stage == 2)
758 {
759 if (de.u.Exception.dwFirstChance)
760 {
761 /* debugger gets first chance exception with unmodified ctx.Eip */
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
765 /* setting the context from debugger does not affect the context, the exception handlers gets */
766 /* uncomment once wine is fixed */
767 /* ctx.Eip = 0x12345; */
768 ctx.Eax = 0xf00f00f1;
769
770 /* pass exception to debuggee
771 * exception will not be handled and
772 * a second chance exception will be raised */
773 continuestatus = DBG_EXCEPTION_NOT_HANDLED;
774 }
775 else
776 {
777 /* debugger gets context after exception handler has played with it */
778 /* ctx.Eip is the same value the exception handler got */
779 if (de.u.Exception.ExceptionRecord.ExceptionCode == EXCEPTION_BREAKPOINT)
780 {
781 ok((char *)ctx.Eip == (char *)code_mem_address + 0xa ||
782 broken(is_wow64 && (char *)ctx.Eip == (char *)code_mem_address + 0xb),
783 "Eip at 0x%x instead of %p\n",
784 ctx.Eip, (char *)code_mem_address + 0xa);
785 /* need to fixup Eip for debuggee */
786 if ((char *)ctx.Eip == (char *)code_mem_address + 0xa)
787 ctx.Eip += 1;
788 }
789 else
790 ok((char *)ctx.Eip == (char *)code_mem_address + 0xb, "Eip at 0x%x instead of %p\n",
791 ctx.Eip, (char *)code_mem_address + 0xb);
792 /* here we handle exception */
793 }
794 }
795 else
796 ok(FALSE, "unexpected stage %x\n", stage);
797
798 status = pNtSetContextThread(pi.hThread, &ctx);
799 ok(!status, "NtSetContextThread failed with 0x%x\n", status);
800 }
801 }
802
803 ContinueDebugEvent(de.dwProcessId, de.dwThreadId, continuestatus);
804
805 } while (de.dwDebugEventCode != EXIT_PROCESS_DEBUG_EVENT);
806
807 winetest_wait_child_process( pi.hProcess );
808 ok(CloseHandle(pi.hThread) != 0, "error %u\n", GetLastError());
809 ok(CloseHandle(pi.hProcess) != 0, "error %u\n", GetLastError());
810
811 return;
812 }
813
814 static DWORD simd_fault_handler( EXCEPTION_RECORD *rec, EXCEPTION_REGISTRATION_RECORD *frame,
815 CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **dispatcher )
816 {
817 int *stage = *(int **)(frame + 1);
818
819 got_exception++;
820
821 if( *stage == 1) {
822 /* fault while executing sse instruction */
823 context->Eip += 3; /* skip addps */
824 return ExceptionContinueExecution;
825 }
826
827 /* stage 2 - divide by zero fault */
828 if( rec->ExceptionCode == EXCEPTION_ILLEGAL_INSTRUCTION)
829 skip("system doesn't support SIMD exceptions\n");
830 else {
831 ok( rec->ExceptionCode == STATUS_FLOAT_MULTIPLE_TRAPS,
832 "exception code: %#x, should be %#x\n",
833 rec->ExceptionCode, STATUS_FLOAT_MULTIPLE_TRAPS);
834 ok( rec->NumberParameters == 1 || broken(is_wow64 && rec->NumberParameters == 2),
835 "# of params: %i, should be 1\n",
836 rec->NumberParameters);
837 if( rec->NumberParameters == 1 )
838 ok( rec->ExceptionInformation[0] == 0, "param #1: %lx, should be 0\n", rec->ExceptionInformation[0]);
839 }
840
841 context->Eip += 3; /* skip divps */
842
843 return ExceptionContinueExecution;
844 }
845
846 static const BYTE simd_exception_test[] = {
847 0x83, 0xec, 0x4, /* sub $0x4, %esp */
848 0x0f, 0xae, 0x1c, 0x24, /* stmxcsr (%esp) */
849 0x66, 0x81, 0x24, 0x24, 0xff, 0xfd, /* andw $0xfdff,(%esp) * enable divide by */
850 0x0f, 0xae, 0x14, 0x24, /* ldmxcsr (%esp) * zero exceptions */
851 0x6a, 0x01, /* push $0x1 */
852 0x6a, 0x01, /* push $0x1 */
853 0x6a, 0x01, /* push $0x1 */
854 0x6a, 0x01, /* push $0x1 */
855 0x0f, 0x10, 0x0c, 0x24, /* movups (%esp),%xmm1 * fill dividend */
856 0x0f, 0x57, 0xc0, /* xorps %xmm0,%xmm0 * clear divisor */
857 0x0f, 0x5e, 0xc8, /* divps %xmm0,%xmm1 * generate fault */
858 0x83, 0xc4, 0x10, /* add $0x10,%esp */
859 0x66, 0x81, 0x0c, 0x24, 0x00, 0x02, /* orw $0x200,(%esp) * disable exceptions */
860 0x0f, 0xae, 0x14, 0x24, /* ldmxcsr (%esp) */
861 0x83, 0xc4, 0x04, /* add $0x4,%esp */
862 0xc3, /* ret */
863 };
864
865 static const BYTE sse_check[] = {
866 0x0f, 0x58, 0xc8, /* addps %xmm0,%xmm1 */
867 0xc3, /* ret */
868 };
869
870 static void test_simd_exceptions(void)
871 {
872 int stage;
873
874 /* test if CPU & OS can do sse */
875 stage = 1;
876 got_exception = 0;
877 run_exception_test(simd_fault_handler, &stage, sse_check, sizeof(sse_check), 0);
878 if(got_exception) {
879 skip("system doesn't support SSE\n");
880 return;
881 }
882
883 /* generate a SIMD exception */
884 stage = 2;
885 got_exception = 0;
886 run_exception_test(simd_fault_handler, &stage, simd_exception_test,
887 sizeof(simd_exception_test), 0);
888 ok( got_exception == 1, "got exception: %i, should be 1\n", got_exception);
889 }
890
891 struct fpu_exception_info
892 {
893 DWORD exception_code;
894 DWORD exception_offset;
895 DWORD eip_offset;
896 };
897
898 static DWORD fpu_exception_handler(EXCEPTION_RECORD *rec, EXCEPTION_REGISTRATION_RECORD *frame,
899 CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **dispatcher)
900 {
901 struct fpu_exception_info *info = *(struct fpu_exception_info **)(frame + 1);
902
903 info->exception_code = rec->ExceptionCode;
904 info->exception_offset = (BYTE *)rec->ExceptionAddress - (BYTE *)code_mem;
905 info->eip_offset = context->Eip - (DWORD)code_mem;
906
907 ++context->Eip;
908 return ExceptionContinueExecution;
909 }
910
911 static void test_fpu_exceptions(void)
912 {
913 static const BYTE fpu_exception_test_ie[] =
914 {
915 0x83, 0xec, 0x04, /* sub $0x4,%esp */
916 0x66, 0xc7, 0x04, 0x24, 0xfe, 0x03, /* movw $0x3fe,(%esp) */
917 0x9b, 0xd9, 0x7c, 0x24, 0x02, /* fstcw 0x2(%esp) */
918 0xd9, 0x2c, 0x24, /* fldcw (%esp) */
919 0xd9, 0xee, /* fldz */
920 0xd9, 0xe8, /* fld1 */
921 0xde, 0xf1, /* fdivp */
922 0xdd, 0xd8, /* fstp %st(0) */
923 0xdd, 0xd8, /* fstp %st(0) */
924 0x9b, /* fwait */
925 0xdb, 0xe2, /* fnclex */
926 0xd9, 0x6c, 0x24, 0x02, /* fldcw 0x2(%esp) */
927 0x83, 0xc4, 0x04, /* add $0x4,%esp */
928 0xc3, /* ret */
929 };
930
931 static const BYTE fpu_exception_test_de[] =
932 {
933 0x83, 0xec, 0x04, /* sub $0x4,%esp */
934 0x66, 0xc7, 0x04, 0x24, 0xfb, 0x03, /* movw $0x3fb,(%esp) */
935 0x9b, 0xd9, 0x7c, 0x24, 0x02, /* fstcw 0x2(%esp) */
936 0xd9, 0x2c, 0x24, /* fldcw (%esp) */
937 0xdd, 0xd8, /* fstp %st(0) */
938 0xd9, 0xee, /* fldz */
939 0xd9, 0xe8, /* fld1 */
940 0xde, 0xf1, /* fdivp */
941 0x9b, /* fwait */
942 0xdb, 0xe2, /* fnclex */
943 0xdd, 0xd8, /* fstp %st(0) */
944 0xdd, 0xd8, /* fstp %st(0) */
945 0xd9, 0x6c, 0x24, 0x02, /* fldcw 0x2(%esp) */
946 0x83, 0xc4, 0x04, /* add $0x4,%esp */
947 0xc3, /* ret */
948 };
949
950 struct fpu_exception_info info;
951
952 memset(&info, 0, sizeof(info));
953 run_exception_test(fpu_exception_handler, &info, fpu_exception_test_ie, sizeof(fpu_exception_test_ie), 0);
954 ok(info.exception_code == EXCEPTION_FLT_STACK_CHECK,
955 "Got exception code %#x, expected EXCEPTION_FLT_STACK_CHECK\n", info.exception_code);
956 ok(info.exception_offset == 0x19 ||
957 broken( is_wow64 && info.exception_offset == info.eip_offset ),
958 "Got exception offset %#x, expected 0x19\n", info.exception_offset);
959 ok(info.eip_offset == 0x1b, "Got EIP offset %#x, expected 0x1b\n", info.eip_offset);
960
961 memset(&info, 0, sizeof(info));
962 run_exception_test(fpu_exception_handler, &info, fpu_exception_test_de, sizeof(fpu_exception_test_de), 0);
963 ok(info.exception_code == EXCEPTION_FLT_DIVIDE_BY_ZERO,
964 "Got exception code %#x, expected EXCEPTION_FLT_DIVIDE_BY_ZERO\n", info.exception_code);
965 ok(info.exception_offset == 0x17 ||
966 broken( is_wow64 && info.exception_offset == info.eip_offset ),
967 "Got exception offset %#x, expected 0x17\n", info.exception_offset);
968 ok(info.eip_offset == 0x19, "Got EIP offset %#x, expected 0x19\n", info.eip_offset);
969 }
970
971 struct dpe_exception_info {
972 BOOL exception_caught;
973 DWORD exception_info;
974 };
975
976 static DWORD dpe_exception_handler(EXCEPTION_RECORD *rec, EXCEPTION_REGISTRATION_RECORD *frame,
977 CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **dispatcher)
978 {
979 DWORD old_prot;
980 struct dpe_exception_info *info = *(struct dpe_exception_info **)(frame + 1);
981
982 ok(rec->ExceptionCode == EXCEPTION_ACCESS_VIOLATION,
983 "Exception code %08x\n", rec->ExceptionCode);
984 ok(rec->NumberParameters == 2,
985 "Parameter count: %d\n", rec->NumberParameters);
986 ok((LPVOID)rec->ExceptionInformation[1] == code_mem,
987 "Exception address: %p, expected %p\n",
988 (LPVOID)rec->ExceptionInformation[1], code_mem);
989
990 info->exception_info = rec->ExceptionInformation[0];
991 info->exception_caught = TRUE;
992
993 VirtualProtect(code_mem, 1, PAGE_EXECUTE_READWRITE, &old_prot);
994 return ExceptionContinueExecution;
995 }
996
997 static void test_dpe_exceptions(void)
998 {
999 static char single_ret[] = {0xC3};
1000 struct dpe_exception_info info;
1001 NTSTATUS stat;
1002 BOOL has_hw_support;
1003 BOOL is_permanent = FALSE, can_test_without = TRUE, can_test_with = TRUE;
1004 DWORD val;
1005 ULONG len;
1006
1007 /* Query DEP with len to small */
1008 stat = pNtQueryInformationProcess(GetCurrentProcess(), ProcessExecuteFlags, &val, sizeof val - 1, &len);
1009 if(stat == STATUS_INVALID_INFO_CLASS)
1010 {
1011 skip("This software platform does not support DEP\n");
1012 return;
1013 }
1014 ok(stat == STATUS_INFO_LENGTH_MISMATCH, "buffer too small: %08x\n", stat);
1015
1016 /* Query DEP */
1017 stat = pNtQueryInformationProcess(GetCurrentProcess(), ProcessExecuteFlags, &val, sizeof val, &len);
1018 ok(stat == STATUS_SUCCESS, "querying DEP: status %08x\n", stat);
1019 if(stat == STATUS_SUCCESS)
1020 {
1021 ok(len == sizeof val, "returned length: %d\n", len);
1022 if(val & MEM_EXECUTE_OPTION_PERMANENT)
1023 {
1024 skip("toggling DEP impossible - status locked\n");
1025 is_permanent = TRUE;
1026 if(val & MEM_EXECUTE_OPTION_DISABLE)
1027 can_test_without = FALSE;
1028 else
1029 can_test_with = FALSE;
1030 }
1031 }
1032
1033 if(!is_permanent)
1034 {
1035 /* Enable DEP */
1036 val = MEM_EXECUTE_OPTION_DISABLE;
1037 stat = pNtSetInformationProcess(GetCurrentProcess(), ProcessExecuteFlags, &val, sizeof val);
1038 ok(stat == STATUS_SUCCESS, "enabling DEP: status %08x\n", stat);
1039 }
1040
1041 if(can_test_with)
1042 {
1043 /* Try access to locked page with DEP on*/
1044 info.exception_caught = FALSE;
1045 run_exception_test(dpe_exception_handler, &info, single_ret, sizeof(single_ret), PAGE_NOACCESS);
1046 ok(info.exception_caught == TRUE, "Execution of disabled memory succeeded\n");
1047 ok(info.exception_info == EXCEPTION_READ_FAULT ||
1048 info.exception_info == EXCEPTION_EXECUTE_FAULT,
1049 "Access violation type: %08x\n", (unsigned)info.exception_info);
1050 has_hw_support = info.exception_info == EXCEPTION_EXECUTE_FAULT;
1051 trace("DEP hardware support: %s\n", has_hw_support?"Yes":"No");
1052
1053 /* Try execution of data with DEP on*/
1054 info.exception_caught = FALSE;
1055 run_exception_test(dpe_exception_handler, &info, single_ret, sizeof(single_ret), PAGE_READWRITE);
1056 if(has_hw_support)
1057 {
1058 ok(info.exception_caught == TRUE, "Execution of data memory succeeded\n");
1059 ok(info.exception_info == EXCEPTION_EXECUTE_FAULT,
1060 "Access violation type: %08x\n", (unsigned)info.exception_info);
1061 }
1062 else
1063 ok(info.exception_caught == FALSE, "Execution trapped without hardware support\n");
1064 }
1065 else
1066 skip("DEP is in AlwaysOff state\n");
1067
1068 if(!is_permanent)
1069 {
1070 /* Disable DEP */
1071 val = MEM_EXECUTE_OPTION_ENABLE;
1072 stat = pNtSetInformationProcess(GetCurrentProcess(), ProcessExecuteFlags, &val, sizeof val);
1073 ok(stat == STATUS_SUCCESS, "disabling DEP: status %08x\n", stat);
1074 }
1075
1076 /* page is read without exec here */
1077 if(can_test_without)
1078 {
1079 /* Try execution of data with DEP off */
1080 info.exception_caught = FALSE;
1081 run_exception_test(dpe_exception_handler, &info, single_ret, sizeof(single_ret), PAGE_READWRITE);
1082 ok(info.exception_caught == FALSE, "Execution trapped with DEP turned off\n");
1083
1084 /* Try access to locked page with DEP off - error code is different than
1085 with hardware DEP on */
1086 info.exception_caught = FALSE;
1087 run_exception_test(dpe_exception_handler, &info, single_ret, sizeof(single_ret), PAGE_NOACCESS);
1088 ok(info.exception_caught == TRUE, "Execution of disabled memory succeeded\n");
1089 ok(info.exception_info == EXCEPTION_READ_FAULT,
1090 "Access violation type: %08x\n", (unsigned)info.exception_info);
1091 }
1092 else
1093 skip("DEP is in AlwaysOn state\n");
1094
1095 if(!is_permanent)
1096 {
1097 /* Turn off DEP permanently */
1098 val = MEM_EXECUTE_OPTION_ENABLE | MEM_EXECUTE_OPTION_PERMANENT;
1099 stat = pNtSetInformationProcess(GetCurrentProcess(), ProcessExecuteFlags, &val, sizeof val);
1100 ok(stat == STATUS_SUCCESS, "disabling DEP permanently: status %08x\n", stat);
1101 }
1102
1103 /* Try to turn off DEP */
1104 val = MEM_EXECUTE_OPTION_ENABLE;
1105 stat = pNtSetInformationProcess(GetCurrentProcess(), ProcessExecuteFlags, &val, sizeof val);
1106 ok(stat == STATUS_ACCESS_DENIED, "disabling DEP while permanent: status %08x\n", stat);
1107
1108 /* Try to turn on DEP */
1109 val = MEM_EXECUTE_OPTION_DISABLE;
1110 stat = pNtSetInformationProcess(GetCurrentProcess(), ProcessExecuteFlags, &val, sizeof val);
1111 ok(stat == STATUS_ACCESS_DENIED, "enabling DEP while permanent: status %08x\n", stat);
1112 }
1113
1114 #elif defined(__x86_64__)
1115
1116 #define UNW_FLAG_NHANDLER 0
1117 #define UNW_FLAG_EHANDLER 1
1118 #define UNW_FLAG_UHANDLER 2
1119 #define UNW_FLAG_CHAININFO 4
1120
1121 #define UWOP_PUSH_NONVOL 0
1122 #define UWOP_ALLOC_LARGE 1
1123 #define UWOP_ALLOC_SMALL 2
1124 #define UWOP_SET_FPREG 3
1125 #define UWOP_SAVE_NONVOL 4
1126 #define UWOP_SAVE_NONVOL_FAR 5
1127 #define UWOP_SAVE_XMM128 8
1128 #define UWOP_SAVE_XMM128_FAR 9
1129 #define UWOP_PUSH_MACHFRAME 10
1130
1131 struct results
1132 {
1133 int rip_offset; /* rip offset from code start */
1134 int rbp_offset; /* rbp offset from stack pointer */
1135 int handler; /* expect handler to be set? */
1136 int rip; /* expected final rip value */
1137 int frame; /* expected frame return value */
1138 int regs[8][2]; /* expected values for registers */
1139 };
1140
1141 struct unwind_test
1142 {
1143 const BYTE *function;
1144 size_t function_size;
1145 const BYTE *unwind_info;
1146 const struct results *results;
1147 unsigned int nb_results;
1148 };
1149
1150 enum regs
1151 {
1152 rax, rcx, rdx, rbx, rsp, rbp, rsi, rdi,
1153 r8, r9, r10, r11, r12, r13, r14, r15
1154 };
1155
1156 static const char * const reg_names[16] =
1157 {
1158 "rax", "rcx", "rdx", "rbx", "rsp", "rbp", "rsi", "rdi",
1159 "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15"
1160 };
1161
1162 #define UWOP(code,info) (UWOP_##code | ((info) << 4))
1163
1164 static void call_virtual_unwind( int testnum, const struct unwind_test *test )
1165 {
1166 static const int code_offset = 1024;
1167 static const int unwind_offset = 2048;
1168 void *handler, *data;
1169 CONTEXT context;
1170 RUNTIME_FUNCTION runtime_func;
1171 KNONVOLATILE_CONTEXT_POINTERS ctx_ptr;
1172 UINT i, j, k;
1173 ULONG64 fake_stack[256];
1174 ULONG64 frame, orig_rip, orig_rbp, unset_reg;
1175 UINT unwind_size = 4 + 2 * test->unwind_info[2] + 8;
1176
1177 memcpy( (char *)code_mem + code_offset, test->function, test->function_size );
1178 memcpy( (char *)code_mem + unwind_offset, test->unwind_info, unwind_size );
1179
1180 runtime_func.BeginAddress = code_offset;
1181 runtime_func.EndAddress = code_offset + test->function_size;
1182 runtime_func.UnwindData = unwind_offset;
1183
1184 trace( "code: %p stack: %p\n", code_mem, fake_stack );
1185
1186 for (i = 0; i < test->nb_results; i++)
1187 {
1188 memset( &ctx_ptr, 0, sizeof(ctx_ptr) );
1189 memset( &context, 0x55, sizeof(context) );
1190 memset( &unset_reg, 0x55, sizeof(unset_reg) );
1191 for (j = 0; j < 256; j++) fake_stack[j] = j * 8;
1192
1193 context.Rsp = (ULONG_PTR)fake_stack;
1194 context.Rbp = (ULONG_PTR)fake_stack + test->results[i].rbp_offset;
1195 orig_rbp = context.Rbp;
1196 orig_rip = (ULONG64)code_mem + code_offset + test->results[i].rip_offset;
1197
1198 trace( "%u/%u: rip=%p (%02x) rbp=%p rsp=%p\n", testnum, i,
1199 (void *)orig_rip, *(BYTE *)orig_rip, (void *)orig_rbp, (void *)context.Rsp );
1200
1201 data = (void *)0xdeadbeef;
1202 handler = RtlVirtualUnwind( UNW_FLAG_EHANDLER, (ULONG64)code_mem, orig_rip,
1203 &runtime_func, &context, &data, &frame, &ctx_ptr );
1204 if (test->results[i].handler)
1205 {
1206 ok( (char *)handler == (char *)code_mem + 0x200,
1207 "%u/%u: wrong handler %p/%p\n", testnum, i, handler, (char *)code_mem + 0x200 );
1208 if (handler) ok( *(DWORD *)data == 0x08070605,
1209 "%u/%u: wrong handler data %p\n", testnum, i, data );
1210 }
1211 else
1212 {
1213 ok( handler == NULL, "%u/%u: handler %p instead of NULL\n", testnum, i, handler );
1214 ok( data == (void *)0xdeadbeef, "%u/%u: handler data set to %p\n", testnum, i, data );
1215 }
1216
1217 ok( context.Rip == test->results[i].rip, "%u/%u: wrong rip %p/%x\n",
1218 testnum, i, (void *)context.Rip, test->results[i].rip );
1219 ok( frame == (ULONG64)fake_stack + test->results[i].frame, "%u/%u: wrong frame %p/%p\n",
1220 testnum, i, (void *)frame, (char *)fake_stack + test->results[i].frame );
1221
1222 for (j = 0; j < 16; j++)
1223 {
1224 static const UINT nb_regs = sizeof(test->results[i].regs) / sizeof(test->results[i].regs[0]);
1225
1226 for (k = 0; k < nb_regs; k++)
1227 {
1228 if (test->results[i].regs[k][0] == -1)
1229 {
1230 k = nb_regs;
1231 break;
1232 }
1233 if (test->results[i].regs[k][0] == j) break;
1234 }
1235
1236 if (j == rsp) /* rsp is special */
1237 {
1238 ok( !ctx_ptr.u2.IntegerContext[j],
1239 "%u/%u: rsp should not be set in ctx_ptr\n", testnum, i );
1240 ok( context.Rsp == (ULONG64)fake_stack + test->results[i].regs[k][1],
1241 "%u/%u: register rsp wrong %p/%p\n",
1242 testnum, i, (void *)context.Rsp, (char *)fake_stack + test->results[i].regs[k][1] );
1243 continue;
1244 }
1245
1246 if (ctx_ptr.u2.IntegerContext[j])
1247 {
1248 ok( k < nb_regs, "%u/%u: register %s should not be set to %lx\n",
1249 testnum, i, reg_names[j], *(&context.Rax + j) );
1250 if (k < nb_regs)
1251 ok( *(&context.Rax + j) == test->results[i].regs[k][1],
1252 "%u/%u: register %s wrong %p/%x\n",
1253 testnum, i, reg_names[j], (void *)*(&context.Rax + j), test->results[i].regs[k][1] );
1254 }
1255 else
1256 {
1257 ok( k == nb_regs, "%u/%u: register %s should be set\n", testnum, i, reg_names[j] );
1258 if (j == rbp)
1259 ok( context.Rbp == orig_rbp, "%u/%u: register rbp wrong %p/unset\n",
1260 testnum, i, (void *)context.Rbp );
1261 else
1262 ok( *(&context.Rax + j) == unset_reg,
1263 "%u/%u: register %s wrong %p/unset\n",
1264 testnum, i, reg_names[j], (void *)*(&context.Rax + j));
1265 }
1266 }
1267 }
1268 }
1269
1270 static void test_virtual_unwind(void)
1271 {
1272 static const BYTE function_0[] =
1273 {
1274 0xff, 0xf5, /* 00: push %rbp */
1275 0x48, 0x81, 0xec, 0x10, 0x01, 0x00, 0x00, /* 02: sub $0x110,%rsp */
1276 0x48, 0x8d, 0x6c, 0x24, 0x30, /* 09: lea 0x30(%rsp),%rbp */
1277 0x48, 0x89, 0x9d, 0xf0, 0x00, 0x00, 0x00, /* 0e: mov %rbx,0xf0(%rbp) */
1278 0x48, 0x89, 0xb5, 0xf8, 0x00, 0x00, 0x00, /* 15: mov %rsi,0xf8(%rbp) */
1279 0x90, /* 1c: nop */
1280 0x48, 0x8b, 0x9d, 0xf0, 0x00, 0x00, 0x00, /* 1d: mov 0xf0(%rbp),%rbx */
1281 0x48, 0x8b, 0xb5, 0xf8, 0x00, 0x00, 0x00, /* 24: mov 0xf8(%rbp),%rsi */
1282 0x48, 0x8d, 0xa5, 0xe0, 0x00, 0x00, 0x00, /* 2b: lea 0xe0(%rbp),%rsp */
1283 0x5d, /* 32: pop %rbp */
1284 0xc3 /* 33: ret */
1285 };
1286
1287 static const BYTE unwind_info_0[] =
1288 {
1289 1 | (UNW_FLAG_EHANDLER << 3), /* version + flags */
1290 0x1c, /* prolog size */
1291 8, /* opcode count */
1292 (0x03 << 4) | rbp, /* frame reg rbp offset 0x30 */
1293
1294 0x1c, UWOP(SAVE_NONVOL, rsi), 0x25, 0, /* 1c: mov %rsi,0x128(%rsp) */
1295 0x15, UWOP(SAVE_NONVOL, rbx), 0x24, 0, /* 15: mov %rbx,0x120(%rsp) */
1296 0x0e, UWOP(SET_FPREG, rbp), /* 0e: lea 0x30(%rsp),rbp */
1297 0x09, UWOP(ALLOC_LARGE, 0), 0x22, 0, /* 09: sub $0x110,%rsp */
1298 0x02, UWOP(PUSH_NONVOL, rbp), /* 02: push %rbp */
1299
1300 0x00, 0x02, 0x00, 0x00, /* handler */
1301 0x05, 0x06, 0x07, 0x08, /* data */
1302 };
1303
1304 static const struct results results_0[] =
1305 {
1306 /* offset rbp handler rip frame registers */
1307 { 0x00, 0x40, FALSE, 0x000, 0x000, { {rsp,0x008}, {-1,-1} }},
1308 { 0x02, 0x40, FALSE, 0x008, 0x000, { {rsp,0x010}, {rbp,0x000}, {-1,-1} }},
1309 { 0x09, 0x40, FALSE, 0x118, 0x000, { {rsp,0x120}, {rbp,0x110}, {-1,-1} }},
1310 { 0x0e, 0x40, FALSE, 0x128, 0x010, { {rsp,0x130}, {rbp,0x120}, {-1,-1} }},
1311 { 0x15, 0x40, FALSE, 0x128, 0x010, { {rsp,0x130}, {rbp,0x120}, {rbx,0x130}, {-1,-1} }},
1312 { 0x1c, 0x40, TRUE, 0x128, 0x010, { {rsp,0x130}, {rbp,0x120}, {rbx,0x130}, {rsi,0x138}, {-1,-1}}},
1313 { 0x1d, 0x40, TRUE, 0x128, 0x010, { {rsp,0x130}, {rbp,0x120}, {rbx,0x130}, {rsi,0x138}, {-1,-1}}},
1314 { 0x24, 0x40, TRUE, 0x128, 0x010, { {rsp,0x130}, {rbp,0x120}, {rbx,0x130}, {rsi,0x138}, {-1,-1}}},
1315 { 0x2b, 0x40, FALSE, 0x128, 0x010, { {rsp,0x130}, {rbp,0x120}, {-1,-1}}},
1316 { 0x32, 0x40, FALSE, 0x008, 0x010, { {rsp,0x010}, {rbp,0x000}, {-1,-1}}},
1317 { 0x33, 0x40, FALSE, 0x000, 0x010, { {rsp,0x008}, {-1,-1}}},
1318 };
1319
1320
1321 static const BYTE function_1[] =
1322 {
1323 0x53, /* 00: push %rbx */
1324 0x55, /* 01: push %rbp */
1325 0x56, /* 02: push %rsi */
1326 0x57, /* 03: push %rdi */
1327 0x41, 0x54, /* 04: push %r12 */
1328 0x48, 0x83, 0xec, 0x30, /* 06: sub $0x30,%rsp */
1329 0x90, 0x90, /* 0a: nop; nop */
1330 0x48, 0x83, 0xc4, 0x30, /* 0c: add $0x30,%rsp */
1331 0x41, 0x5c, /* 10: pop %r12 */
1332 0x5f, /* 12: pop %rdi */
1333 0x5e, /* 13: pop %rsi */
1334 0x5d, /* 14: pop %rbp */
1335 0x5b, /* 15: pop %rbx */
1336 0xc3 /* 16: ret */
1337 };
1338
1339 static const BYTE unwind_info_1[] =
1340 {
1341 1 | (UNW_FLAG_EHANDLER << 3), /* version + flags */
1342 0x0a, /* prolog size */
1343 6, /* opcode count */
1344 0, /* frame reg */
1345
1346 0x0a, UWOP(ALLOC_SMALL, 5), /* 0a: sub $0x30,%rsp */
1347 0x06, UWOP(PUSH_NONVOL, r12), /* 06: push %r12 */
1348 0x04, UWOP(PUSH_NONVOL, rdi), /* 04: push %rdi */
1349 0x03, UWOP(PUSH_NONVOL, rsi), /* 03: push %rsi */
1350 0x02, UWOP(PUSH_NONVOL, rbp), /* 02: push %rbp */
1351 0x01, UWOP(PUSH_NONVOL, rbx), /* 01: push %rbx */
1352
1353 0x00, 0x02, 0x00, 0x00, /* handler */
1354 0x05, 0x06, 0x07, 0x08, /* data */
1355 };
1356
1357 static const struct results results_1[] =
1358 {
1359 /* offset rbp handler rip frame registers */
1360 { 0x00, 0x50, FALSE, 0x000, 0x000, { {rsp,0x008}, {-1,-1} }},
1361 { 0x01, 0x50, FALSE, 0x008, 0x000, { {rsp,0x010}, {rbx,0x000}, {-1,-1} }},
1362 { 0x02, 0x50, FALSE, 0x010, 0x000, { {rsp,0x018}, {rbx,0x008}, {rbp,0x000}, {-1,-1} }},
1363 { 0x03, 0x50, FALSE, 0x018, 0x000, { {rsp,0x020}, {rbx,0x010}, {rbp,0x008}, {rsi,0x000}, {-1,-1} }},
1364 { 0x04, 0x50, FALSE, 0x020, 0x000, { {rsp,0x028}, {rbx,0x018}, {rbp,0x010}, {rsi,0x008}, {rdi,0x000}, {-1,-1} }},
1365 { 0x06, 0x50, FALSE, 0x028, 0x000, { {rsp,0x030}, {rbx,0x020}, {rbp,0x018}, {rsi,0x010}, {rdi,0x008}, {r12,0x000}, {-1,-1} }},
1366 { 0x0a, 0x50, TRUE, 0x058, 0x000, { {rsp,0x060}, {rbx,0x050}, {rbp,0x048}, {rsi,0x040}, {rdi,0x038}, {r12,0x030}, {-1,-1} }},
1367 { 0x0c, 0x50, FALSE, 0x058, 0x000, { {rsp,0x060}, {rbx,0x050}, {rbp,0x048}, {rsi,0x040}, {rdi,0x038}, {r12,0x030}, {-1,-1} }},
1368 { 0x10, 0x50, FALSE, 0x028, 0x000, { {rsp,0x030}, {rbx,0x020}, {rbp,0x018}, {rsi,0x010}, {rdi,0x008}, {r12,0x000}, {-1,-1} }},
1369 { 0x12, 0x50, FALSE, 0x020, 0x000, { {rsp,0x028}, {rbx,0x018}, {rbp,0x010}, {rsi,0x008}, {rdi,0x000}, {-1,-1} }},
1370 { 0x13, 0x50, FALSE, 0x018, 0x000, { {rsp,0x020}, {rbx,0x010}, {rbp,0x008}, {rsi,0x000}, {-1,-1} }},
1371 { 0x14, 0x50, FALSE, 0x010, 0x000, { {rsp,0x018}, {rbx,0x008}, {rbp,0x000}, {-1,-1} }},
1372 { 0x15, 0x50, FALSE, 0x008, 0x000, { {rsp,0x010}, {rbx,0x000}, {-1,-1} }},
1373 { 0x16, 0x50, FALSE, 0x000, 0x000, { {rsp,0x008}, {-1,-1} }},
1374 };
1375
1376 static const struct unwind_test tests[] =
1377 {
1378 { function_0, sizeof(function_0), unwind_info_0,
1379 results_0, sizeof(results_0)/sizeof(results_0[0]) },
1380 { function_1, sizeof(function_1), unwind_info_1,
1381 results_1, sizeof(results_1)/sizeof(results_1[0]) }
1382 };
1383 unsigned int i;
1384
1385 for (i = 0; i < sizeof(tests)/sizeof(tests[0]); i++)
1386 call_virtual_unwind( i, &tests[i] );
1387 }
1388
1389 #endif /* __x86_64__ */
1390
1391 START_TEST(exception)
1392 {
1393 HMODULE hntdll = GetModuleHandleA("ntdll.dll");
1394
1395 code_mem = VirtualAlloc(NULL, 65536, MEM_RESERVE | MEM_COMMIT, PAGE_EXECUTE_READWRITE);
1396 if(!code_mem) {
1397 trace("VirtualAlloc failed\n");
1398 return;
1399 }
1400
1401 pNtCurrentTeb = (void *)GetProcAddress( hntdll, "NtCurrentTeb" );
1402 pNtGetContextThread = (void *)GetProcAddress( hntdll, "NtGetContextThread" );
1403 pNtSetContextThread = (void *)GetProcAddress( hntdll, "NtSetContextThread" );
1404 pNtReadVirtualMemory = (void *)GetProcAddress( hntdll, "NtReadVirtualMemory" );
1405 pRtlRaiseException = (void *)GetProcAddress( hntdll, "RtlRaiseException" );
1406 pNtTerminateProcess = (void *)GetProcAddress( hntdll, "NtTerminateProcess" );
1407 pRtlAddVectoredExceptionHandler = (void *)GetProcAddress( hntdll,
1408 "RtlAddVectoredExceptionHandler" );
1409 pRtlRemoveVectoredExceptionHandler = (void *)GetProcAddress( hntdll,
1410 "RtlRemoveVectoredExceptionHandler" );
1411 pNtQueryInformationProcess = (void*)GetProcAddress( hntdll,
1412 "NtQueryInformationProcess" );
1413 pNtSetInformationProcess = (void*)GetProcAddress( hntdll,
1414 "NtSetInformationProcess" );
1415 pIsWow64Process = (void *)GetProcAddress(GetModuleHandle("kernel32.dll"), "IsWow64Process");
1416
1417 #ifdef __i386__
1418 if (!pNtCurrentTeb)
1419 {
1420 skip( "NtCurrentTeb not found\n" );
1421 return;
1422 }
1423 if (!pIsWow64Process || !pIsWow64Process( GetCurrentProcess(), &is_wow64 )) is_wow64 = FALSE;
1424
1425 if (pRtlAddVectoredExceptionHandler && pRtlRemoveVectoredExceptionHandler)
1426 have_vectored_api = TRUE;
1427 else
1428 skip("RtlAddVectoredExceptionHandler or RtlRemoveVectoredExceptionHandler not found\n");
1429
1430 my_argc = winetest_get_mainargs( &my_argv );
1431 if (my_argc >= 4)
1432 {
1433 void *addr;
1434 sscanf( my_argv[3], "%p", &addr );
1435
1436 if (addr != &test_stage)
1437 {
1438 skip( "child process not mapped at same address (%p/%p)\n", &test_stage, addr);
1439 return;
1440 }
1441
1442 /* child must be run under a debugger */
1443 if (!pNtCurrentTeb()->Peb->BeingDebugged)
1444 {
1445 ok(FALSE, "child process not being debugged?\n");
1446 return;
1447 }
1448
1449 if (pRtlRaiseException)
1450 {
1451 test_stage = 1;
1452 run_rtlraiseexception_test(0x12345);
1453 run_rtlraiseexception_test(EXCEPTION_BREAKPOINT);
1454 run_rtlraiseexception_test(EXCEPTION_INVALID_HANDLE);
1455 test_stage = 2;
1456 run_rtlraiseexception_test(0x12345);
1457 run_rtlraiseexception_test(EXCEPTION_BREAKPOINT);
1458 run_rtlraiseexception_test(EXCEPTION_INVALID_HANDLE);
1459 }
1460 else
1461 skip( "RtlRaiseException not found\n" );
1462
1463 /* rest of tests only run in parent */
1464 return;
1465 }
1466
1467 test_prot_fault();
1468 test_exceptions();
1469 test_rtlraiseexception();
1470 test_debugger();
1471 test_simd_exceptions();
1472 test_fpu_exceptions();
1473 test_dpe_exceptions();
1474
1475 #elif defined(__x86_64__)
1476
1477 test_virtual_unwind();
1478
1479 #endif
1480
1481 VirtualFree(code_mem, 0, MEM_FREE);
1482 }
useful hacks and other patches not (yet) suitable for mainline