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[reactos.git] / rostests / winetests / ntdll / exception.c
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 "wine/exception.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 NTSTATUS alt_status; /* alternative status code */
83 DWORD alt_nb_params; /* alternative number of parameters */
84 DWORD alt_params[4]; /* alternative parameters */
85 } exceptions[] =
86 {
87 /* 0 */
88 /* test some privileged instructions */
89 { { 0xfb, 0xc3 }, /* 0: sti; ret */
90 0, 1, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
91 { { 0x6c, 0xc3 }, /* 1: insb (%dx); ret */
92 0, 1, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
93 { { 0x6d, 0xc3 }, /* 2: insl (%dx); ret */
94 0, 1, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
95 { { 0x6e, 0xc3 }, /* 3: outsb (%dx); ret */
96 0, 1, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
97 { { 0x6f, 0xc3 }, /* 4: outsl (%dx); ret */
98 0, 1, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
99 /* 5 */
100 { { 0xe4, 0x11, 0xc3 }, /* 5: inb $0x11,%al; ret */
101 0, 2, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
102 { { 0xe5, 0x11, 0xc3 }, /* 6: inl $0x11,%eax; ret */
103 0, 2, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
104 { { 0xe6, 0x11, 0xc3 }, /* 7: outb %al,$0x11; ret */
105 0, 2, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
106 { { 0xe7, 0x11, 0xc3 }, /* 8: outl %eax,$0x11; ret */
107 0, 2, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
108 { { 0xed, 0xc3 }, /* 9: inl (%dx),%eax; ret */
109 0, 1, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
110 /* 10 */
111 { { 0xee, 0xc3 }, /* 10: outb %al,(%dx); ret */
112 0, 1, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
113 { { 0xef, 0xc3 }, /* 11: outl %eax,(%dx); ret */
114 0, 1, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
115 { { 0xf4, 0xc3 }, /* 12: hlt; ret */
116 0, 1, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
117 { { 0xfa, 0xc3 }, /* 13: cli; ret */
118 0, 1, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
119
120 /* test long jump to invalid selector */
121 { { 0xea, 0, 0, 0, 0, 0, 0, 0xc3 }, /* 14: ljmp $0,$0; ret */
122 0, 7, FALSE, STATUS_ACCESS_VIOLATION, 2, { 0, 0xffffffff } },
123
124 /* 15 */
125 /* test iret to invalid selector */
126 { { 0x6a, 0x00, 0x6a, 0x00, 0x6a, 0x00, 0xcf, 0x83, 0xc4, 0x0c, 0xc3 },
127 /* 15: pushl $0; pushl $0; pushl $0; iret; addl $12,%esp; ret */
128 6, 1, FALSE, STATUS_ACCESS_VIOLATION, 2, { 0, 0xffffffff } },
129
130 /* test loading an invalid selector */
131 { { 0xb8, 0xef, 0xbe, 0x00, 0x00, 0x8e, 0xe8, 0xc3 }, /* 16: mov $beef,%ax; mov %ax,%gs; ret */
132 5, 2, FALSE, STATUS_ACCESS_VIOLATION, 2, { 0, 0xbee8 } }, /* 0xbee8 or 0xffffffff */
133
134 /* test accessing a zero selector (%es broken on Wow64) */
135 { { 0x06, 0x31, 0xc0, 0x8e, 0xc0, 0x26, 0xa1, 0, 0, 0, 0, 0x07, 0xc3 },
136 /* push %es; xor %eax,%eax; mov %ax,%es; mov %es:(0),%ax; pop %es; ret */
137 5, 6, TRUE, STATUS_ACCESS_VIOLATION, 2, { 0, 0xffffffff } },
138 { { 0x0f, 0xa8, 0x31, 0xc0, 0x8e, 0xe8, 0x65, 0xa1, 0, 0, 0, 0, 0x0f, 0xa9, 0xc3 },
139 /* push %gs; xor %eax,%eax; mov %ax,%gs; mov %gs:(0),%ax; pop %gs; ret */
140 6, 6, FALSE, STATUS_ACCESS_VIOLATION, 2, { 0, 0xffffffff } },
141
142 /* test moving %cs -> %ss */
143 { { 0x0e, 0x17, 0x58, 0xc3 }, /* pushl %cs; popl %ss; popl %eax; ret */
144 1, 1, FALSE, STATUS_ACCESS_VIOLATION, 2, { 0, 0xffffffff } },
145
146 /* 20 */
147 /* test overlong instruction (limit is 15 bytes, 5 on Win7) */
148 { { 0x64,0x64,0x64,0x64,0x64,0x64,0x64,0x64,0x64,0x64,0x64,0x64,0x64,0x64,0x64,0xfa,0xc3 },
149 0, 16, TRUE, STATUS_ILLEGAL_INSTRUCTION, 0, { 0 },
150 STATUS_ACCESS_VIOLATION, 2, { 0, 0xffffffff } },
151 { { 0x64,0x64,0x64,0x64,0xfa,0xc3 },
152 0, 5, TRUE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
153
154 /* test invalid interrupt */
155 { { 0xcd, 0xff, 0xc3 }, /* int $0xff; ret */
156 0, 2, FALSE, STATUS_ACCESS_VIOLATION, 2, { 0, 0xffffffff } },
157
158 /* test moves to/from Crx */
159 { { 0x0f, 0x20, 0xc0, 0xc3 }, /* movl %cr0,%eax; ret */
160 0, 3, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
161 { { 0x0f, 0x20, 0xe0, 0xc3 }, /* movl %cr4,%eax; ret */
162 0, 3, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
163 /* 25 */
164 { { 0x0f, 0x22, 0xc0, 0xc3 }, /* movl %eax,%cr0; ret */
165 0, 3, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
166 { { 0x0f, 0x22, 0xe0, 0xc3 }, /* movl %eax,%cr4; ret */
167 0, 3, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
168
169 /* test moves to/from Drx */
170 { { 0x0f, 0x21, 0xc0, 0xc3 }, /* movl %dr0,%eax; ret */
171 0, 3, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
172 { { 0x0f, 0x21, 0xc8, 0xc3 }, /* movl %dr1,%eax; ret */
173 0, 3, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
174 { { 0x0f, 0x21, 0xf8, 0xc3 }, /* movl %dr7,%eax; ret */
175 0, 3, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
176 /* 30 */
177 { { 0x0f, 0x23, 0xc0, 0xc3 }, /* movl %eax,%dr0; ret */
178 0, 3, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
179 { { 0x0f, 0x23, 0xc8, 0xc3 }, /* movl %eax,%dr1; ret */
180 0, 3, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
181 { { 0x0f, 0x23, 0xf8, 0xc3 }, /* movl %eax,%dr7; ret */
182 0, 3, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
183
184 /* test memory reads */
185 { { 0xa1, 0xfc, 0xff, 0xff, 0xff, 0xc3 }, /* movl 0xfffffffc,%eax; ret */
186 0, 5, FALSE, STATUS_ACCESS_VIOLATION, 2, { 0, 0xfffffffc } },
187 { { 0xa1, 0xfd, 0xff, 0xff, 0xff, 0xc3 }, /* movl 0xfffffffd,%eax; ret */
188 0, 5, FALSE, STATUS_ACCESS_VIOLATION, 2, { 0, 0xfffffffd } },
189 /* 35 */
190 { { 0xa1, 0xfe, 0xff, 0xff, 0xff, 0xc3 }, /* movl 0xfffffffe,%eax; ret */
191 0, 5, FALSE, STATUS_ACCESS_VIOLATION, 2, { 0, 0xfffffffe } },
192 { { 0xa1, 0xff, 0xff, 0xff, 0xff, 0xc3 }, /* movl 0xffffffff,%eax; ret */
193 0, 5, FALSE, STATUS_ACCESS_VIOLATION, 2, { 0, 0xffffffff } },
194
195 /* test memory writes */
196 { { 0xa3, 0xfc, 0xff, 0xff, 0xff, 0xc3 }, /* movl %eax,0xfffffffc; ret */
197 0, 5, FALSE, STATUS_ACCESS_VIOLATION, 2, { 1, 0xfffffffc } },
198 { { 0xa3, 0xfd, 0xff, 0xff, 0xff, 0xc3 }, /* movl %eax,0xfffffffd; ret */
199 0, 5, FALSE, STATUS_ACCESS_VIOLATION, 2, { 1, 0xfffffffd } },
200 { { 0xa3, 0xfe, 0xff, 0xff, 0xff, 0xc3 }, /* movl %eax,0xfffffffe; ret */
201 0, 5, FALSE, STATUS_ACCESS_VIOLATION, 2, { 1, 0xfffffffe } },
202 /* 40 */
203 { { 0xa3, 0xff, 0xff, 0xff, 0xff, 0xc3 }, /* movl %eax,0xffffffff; ret */
204 0, 5, FALSE, STATUS_ACCESS_VIOLATION, 2, { 1, 0xffffffff } },
205
206 /* test exception with cleared %ds and %es (broken on Wow64) */
207 { { 0x1e, 0x06, 0x31, 0xc0, 0x8e, 0xd8, 0x8e, 0xc0, 0xfa, 0x07, 0x1f, 0xc3 },
208 /* push %ds; push %es; xorl %eax,%eax; mov %ax,%ds; mov %ax,%es; cli; pop %es; pop %ds; ret */
209 8, 1, TRUE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
210
211 { { 0xf1, 0x90, 0xc3 }, /* icebp; nop; ret */
212 1, 1, FALSE, STATUS_SINGLE_STEP, 0 },
213 };
214
215 static int got_exception;
216 static BOOL have_vectored_api;
217
218 static void run_exception_test(void *handler, const void* context,
219 const void *code, unsigned int code_size,
220 DWORD access)
221 {
222 struct {
223 EXCEPTION_REGISTRATION_RECORD frame;
224 const void *context;
225 } exc_frame;
226 void (*func)(void) = code_mem;
227 DWORD oldaccess, oldaccess2;
228
229 exc_frame.frame.Handler = handler;
230 exc_frame.frame.Prev = pNtCurrentTeb()->Tib.ExceptionList;
231 exc_frame.context = context;
232
233 memcpy(code_mem, code, code_size);
234 if(access)
235 VirtualProtect(code_mem, code_size, access, &oldaccess);
236
237 pNtCurrentTeb()->Tib.ExceptionList = &exc_frame.frame;
238 func();
239 pNtCurrentTeb()->Tib.ExceptionList = exc_frame.frame.Prev;
240
241 if(access)
242 VirtualProtect(code_mem, code_size, oldaccess, &oldaccess2);
243 }
244
245 static LONG CALLBACK rtlraiseexception_vectored_handler(EXCEPTION_POINTERS *ExceptionInfo)
246 {
247 PCONTEXT context = ExceptionInfo->ContextRecord;
248 PEXCEPTION_RECORD rec = ExceptionInfo->ExceptionRecord;
249 trace("vect. handler %08x addr:%p context.Eip:%x\n", rec->ExceptionCode,
250 rec->ExceptionAddress, context->Eip);
251
252 ok(rec->ExceptionAddress == (char *)code_mem + 0xb, "ExceptionAddress at %p instead of %p\n",
253 rec->ExceptionAddress, (char *)code_mem + 0xb);
254
255 if (pNtCurrentTeb()->Peb->BeingDebugged)
256 ok((void *)context->Eax == pRtlRaiseException ||
257 broken( is_wow64 && context->Eax == 0xf00f00f1 ), /* broken on vista */
258 "debugger managed to modify Eax to %x should be %p\n",
259 context->Eax, pRtlRaiseException);
260
261 /* check that context.Eip is fixed up only for EXCEPTION_BREAKPOINT
262 * even if raised by RtlRaiseException
263 */
264 if(rec->ExceptionCode == EXCEPTION_BREAKPOINT)
265 {
266 ok(context->Eip == (DWORD)code_mem + 0xa ||
267 broken(context->Eip == (DWORD)code_mem + 0xb), /* win2k3 */
268 "Eip at %x instead of %x or %x\n", context->Eip,
269 (DWORD)code_mem + 0xa, (DWORD)code_mem + 0xb);
270 }
271 else
272 {
273 ok(context->Eip == (DWORD)code_mem + 0xb, "Eip at %x instead of %x\n",
274 context->Eip, (DWORD)code_mem + 0xb);
275 }
276
277 /* test if context change is preserved from vectored handler to stack handlers */
278 context->Eax = 0xf00f00f0;
279 return EXCEPTION_CONTINUE_SEARCH;
280 }
281
282 static DWORD rtlraiseexception_handler( EXCEPTION_RECORD *rec, EXCEPTION_REGISTRATION_RECORD *frame,
283 CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **dispatcher )
284 {
285 trace( "exception: %08x flags:%x addr:%p context: Eip:%x\n",
286 rec->ExceptionCode, rec->ExceptionFlags, rec->ExceptionAddress, context->Eip );
287
288 ok(rec->ExceptionAddress == (char *)code_mem + 0xb, "ExceptionAddress at %p instead of %p\n",
289 rec->ExceptionAddress, (char *)code_mem + 0xb);
290
291 /* check that context.Eip is fixed up only for EXCEPTION_BREAKPOINT
292 * even if raised by RtlRaiseException
293 */
294 if(rec->ExceptionCode == EXCEPTION_BREAKPOINT)
295 {
296 ok(context->Eip == (DWORD)code_mem + 0xa ||
297 broken(context->Eip == (DWORD)code_mem + 0xb), /* win2k3 */
298 "Eip at %x instead of %x or %x\n", context->Eip,
299 (DWORD)code_mem + 0xa, (DWORD)code_mem + 0xb);
300 }
301 else
302 {
303 ok(context->Eip == (DWORD)code_mem + 0xb, "Eip at %x instead of %x\n",
304 context->Eip, (DWORD)code_mem + 0xb);
305 }
306
307 if(have_vectored_api)
308 ok(context->Eax == 0xf00f00f0, "Eax is %x, should have been set to 0xf00f00f0 in vectored handler\n",
309 context->Eax);
310
311 /* give the debugger a chance to examine the state a second time */
312 /* without the exception handler changing Eip */
313 if (test_stage == 2)
314 return ExceptionContinueSearch;
315
316 /* Eip in context is decreased by 1
317 * Increase it again, else execution will continue in the middle of a instruction */
318 if(rec->ExceptionCode == EXCEPTION_BREAKPOINT && (context->Eip == (DWORD)code_mem + 0xa))
319 context->Eip += 1;
320 return ExceptionContinueExecution;
321 }
322
323
324 static const BYTE call_one_arg_code[] = {
325 0x8b, 0x44, 0x24, 0x08, /* mov 0x8(%esp),%eax */
326 0x50, /* push %eax */
327 0x8b, 0x44, 0x24, 0x08, /* mov 0x8(%esp),%eax */
328 0xff, 0xd0, /* call *%eax */
329 0x90, /* nop */
330 0x90, /* nop */
331 0x90, /* nop */
332 0x90, /* nop */
333 0xc3, /* ret */
334 };
335
336
337 static void run_rtlraiseexception_test(DWORD exceptioncode)
338 {
339 EXCEPTION_REGISTRATION_RECORD frame;
340 EXCEPTION_RECORD record;
341 PVOID vectored_handler = NULL;
342
343 void (*func)(void* function, EXCEPTION_RECORD* record) = code_mem;
344
345 record.ExceptionCode = exceptioncode;
346 record.ExceptionFlags = 0;
347 record.ExceptionRecord = NULL;
348 record.ExceptionAddress = NULL; /* does not matter, copied return address */
349 record.NumberParameters = 0;
350
351 frame.Handler = rtlraiseexception_handler;
352 frame.Prev = pNtCurrentTeb()->Tib.ExceptionList;
353
354 memcpy(code_mem, call_one_arg_code, sizeof(call_one_arg_code));
355
356 pNtCurrentTeb()->Tib.ExceptionList = &frame;
357 if (have_vectored_api)
358 {
359 vectored_handler = pRtlAddVectoredExceptionHandler(TRUE, &rtlraiseexception_vectored_handler);
360 ok(vectored_handler != 0, "RtlAddVectoredExceptionHandler failed\n");
361 }
362
363 func(pRtlRaiseException, &record);
364 ok( record.ExceptionAddress == (char *)code_mem + 0x0b,
365 "address set to %p instead of %p\n", record.ExceptionAddress, (char *)code_mem + 0x0b );
366
367 if (have_vectored_api)
368 pRtlRemoveVectoredExceptionHandler(vectored_handler);
369 pNtCurrentTeb()->Tib.ExceptionList = frame.Prev;
370 }
371
372 static void test_rtlraiseexception(void)
373 {
374 if (!pRtlRaiseException)
375 {
376 skip("RtlRaiseException not found\n");
377 return;
378 }
379
380 /* test without debugger */
381 run_rtlraiseexception_test(0x12345);
382 run_rtlraiseexception_test(EXCEPTION_BREAKPOINT);
383 run_rtlraiseexception_test(EXCEPTION_INVALID_HANDLE);
384 }
385
386 static DWORD handler( EXCEPTION_RECORD *rec, EXCEPTION_REGISTRATION_RECORD *frame,
387 CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **dispatcher )
388 {
389 const struct exception *except = *(const struct exception **)(frame + 1);
390 unsigned int i, entry = except - exceptions;
391
392 got_exception++;
393 trace( "exception %u: %x flags:%x addr:%p\n",
394 entry, rec->ExceptionCode, rec->ExceptionFlags, rec->ExceptionAddress );
395
396 ok( rec->ExceptionCode == except->status ||
397 (except->alt_status != 0 && rec->ExceptionCode == except->alt_status),
398 "%u: Wrong exception code %x/%x\n", entry, rec->ExceptionCode, except->status );
399 ok( rec->ExceptionAddress == (char*)code_mem + except->offset,
400 "%u: Wrong exception address %p/%p\n", entry,
401 rec->ExceptionAddress, (char*)code_mem + except->offset );
402
403 if (except->alt_status == 0 || rec->ExceptionCode != except->alt_status)
404 {
405 ok( rec->NumberParameters == except->nb_params,
406 "%u: Wrong number of parameters %u/%u\n", entry, rec->NumberParameters, except->nb_params );
407 }
408 else
409 {
410 ok( rec->NumberParameters == except->alt_nb_params,
411 "%u: Wrong number of parameters %u/%u\n", entry, rec->NumberParameters, except->nb_params );
412 }
413
414 /* Most CPUs (except Intel Core apparently) report a segment limit violation */
415 /* instead of page faults for accesses beyond 0xffffffff */
416 if (except->nb_params == 2 && except->params[1] >= 0xfffffffd)
417 {
418 if (rec->ExceptionInformation[0] == 0 && rec->ExceptionInformation[1] == 0xffffffff)
419 goto skip_params;
420 }
421
422 /* Seems that both 0xbee8 and 0xfffffffff can be returned in windows */
423 if (except->nb_params == 2 && rec->NumberParameters == 2
424 && except->params[1] == 0xbee8 && rec->ExceptionInformation[1] == 0xffffffff
425 && except->params[0] == rec->ExceptionInformation[0])
426 {
427 goto skip_params;
428 }
429
430 if (except->alt_status == 0 || rec->ExceptionCode != except->alt_status)
431 {
432 for (i = 0; i < rec->NumberParameters; i++)
433 ok( rec->ExceptionInformation[i] == except->params[i],
434 "%u: Wrong parameter %d: %lx/%x\n",
435 entry, i, rec->ExceptionInformation[i], except->params[i] );
436 }
437 else
438 {
439 for (i = 0; i < rec->NumberParameters; i++)
440 ok( rec->ExceptionInformation[i] == except->alt_params[i],
441 "%u: Wrong parameter %d: %lx/%x\n",
442 entry, i, rec->ExceptionInformation[i], except->alt_params[i] );
443 }
444
445 skip_params:
446 /* don't handle exception if it's not the address we expected */
447 if (rec->ExceptionAddress != (char*)code_mem + except->offset) return ExceptionContinueSearch;
448
449 context->Eip += except->length;
450 return ExceptionContinueExecution;
451 }
452
453 static void test_prot_fault(void)
454 {
455 unsigned int i;
456
457 for (i = 0; i < sizeof(exceptions)/sizeof(exceptions[0]); i++)
458 {
459 if (is_wow64 && exceptions[i].wow64_broken && !strcmp( winetest_platform, "windows" ))
460 {
461 skip( "Exception %u broken on Wow64\n", i );
462 continue;
463 }
464 got_exception = 0;
465 run_exception_test(handler, &exceptions[i], &exceptions[i].code,
466 sizeof(exceptions[i].code), 0);
467 if (!i && !got_exception)
468 {
469 trace( "No exception, assuming win9x, no point in testing further\n" );
470 break;
471 }
472 ok( got_exception == (exceptions[i].status != 0),
473 "%u: bad exception count %d\n", i, got_exception );
474 }
475 }
476
477 struct dbgreg_test {
478 DWORD dr0, dr1, dr2, dr3, dr6, dr7;
479 };
480
481 /* test handling of debug registers */
482 static DWORD dreg_handler( EXCEPTION_RECORD *rec, EXCEPTION_REGISTRATION_RECORD *frame,
483 CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **dispatcher )
484 {
485 const struct dbgreg_test *test = *(const struct dbgreg_test **)(frame + 1);
486
487 context->Eip += 2; /* Skips the popl (%eax) */
488 context->Dr0 = test->dr0;
489 context->Dr1 = test->dr1;
490 context->Dr2 = test->dr2;
491 context->Dr3 = test->dr3;
492 context->Dr6 = test->dr6;
493 context->Dr7 = test->dr7;
494 return ExceptionContinueExecution;
495 }
496
497 #define CHECK_DEBUG_REG(n, m) \
498 ok((ctx.Dr##n & m) == test->dr##n, "(%d) failed to set debug register " #n " to %x, got %x\n", \
499 test_num, test->dr##n, ctx.Dr##n)
500
501 static void check_debug_registers(int test_num, const struct dbgreg_test *test)
502 {
503 CONTEXT ctx;
504 NTSTATUS status;
505
506 ctx.ContextFlags = CONTEXT_DEBUG_REGISTERS;
507 status = pNtGetContextThread(GetCurrentThread(), &ctx);
508 ok(status == STATUS_SUCCESS, "NtGetContextThread failed with %x\n", status);
509
510 CHECK_DEBUG_REG(0, ~0);
511 CHECK_DEBUG_REG(1, ~0);
512 CHECK_DEBUG_REG(2, ~0);
513 CHECK_DEBUG_REG(3, ~0);
514 CHECK_DEBUG_REG(6, 0x0f);
515 CHECK_DEBUG_REG(7, ~0xdc00);
516 }
517
518 static const BYTE segfault_code[5] = {
519 0x31, 0xc0, /* xor %eax,%eax */
520 0x8f, 0x00, /* popl (%eax) - cause exception */
521 0xc3 /* ret */
522 };
523
524 /* test the single step exception behaviour */
525 static DWORD single_step_handler( EXCEPTION_RECORD *rec, EXCEPTION_REGISTRATION_RECORD *frame,
526 CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **dispatcher )
527 {
528 got_exception++;
529 ok (!(context->EFlags & 0x100), "eflags has single stepping bit set\n");
530
531 if( got_exception < 3)
532 context->EFlags |= 0x100; /* single step until popf instruction */
533 else {
534 /* show that the last single step exception on the popf instruction
535 * (which removed the TF bit), still is a EXCEPTION_SINGLE_STEP exception */
536 ok( rec->ExceptionCode == EXCEPTION_SINGLE_STEP,
537 "exception is not EXCEPTION_SINGLE_STEP: %x\n", rec->ExceptionCode);
538 }
539
540 return ExceptionContinueExecution;
541 }
542
543 static const BYTE single_stepcode[] = {
544 0x9c, /* pushf */
545 0x58, /* pop %eax */
546 0x0d,0,1,0,0, /* or $0x100,%eax */
547 0x50, /* push %eax */
548 0x9d, /* popf */
549 0x35,0,1,0,0, /* xor $0x100,%eax */
550 0x50, /* push %eax */
551 0x9d, /* popf */
552 0xc3
553 };
554
555 /* Test the alignment check (AC) flag handling. */
556 static const BYTE align_check_code[] = {
557 0x55, /* push %ebp */
558 0x89,0xe5, /* mov %esp,%ebp */
559 0x9c, /* pushf */
560 0x58, /* pop %eax */
561 0x0d,0,0,4,0, /* or $0x40000,%eax */
562 0x50, /* push %eax */
563 0x9d, /* popf */
564 0x89,0xe0, /* mov %esp, %eax */
565 0x8b,0x40,0x1, /* mov 0x1(%eax), %eax - cause exception */
566 0x9c, /* pushf */
567 0x58, /* pop %eax */
568 0x35,0,0,4,0, /* xor $0x40000,%eax */
569 0x50, /* push %eax */
570 0x9d, /* popf */
571 0x5d, /* pop %ebp */
572 0xc3, /* ret */
573 };
574
575 static DWORD align_check_handler( EXCEPTION_RECORD *rec, EXCEPTION_REGISTRATION_RECORD *frame,
576 CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **dispatcher )
577 {
578 ok (!(context->EFlags & 0x40000), "eflags has AC bit set\n");
579 got_exception++;
580 return ExceptionContinueExecution;
581 }
582
583 /* Test the direction flag handling. */
584 static const BYTE direction_flag_code[] = {
585 0x55, /* push %ebp */
586 0x89,0xe5, /* mov %esp,%ebp */
587 0xfd, /* std */
588 0xfa, /* cli - cause exception */
589 0x5d, /* pop %ebp */
590 0xc3, /* ret */
591 };
592
593 static DWORD direction_flag_handler( EXCEPTION_RECORD *rec, EXCEPTION_REGISTRATION_RECORD *frame,
594 CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **dispatcher )
595 {
596 #ifdef __GNUC__
597 unsigned int flags;
598 __asm__("pushfl; popl %0; cld" : "=r" (flags) );
599 /* older windows versions don't clear DF properly so don't test */
600 if (flags & 0x400) trace( "eflags has DF bit set\n" );
601 #endif
602 ok( context->EFlags & 0x400, "context eflags has DF bit cleared\n" );
603 got_exception++;
604 context->Eip++; /* skip cli */
605 context->EFlags &= ~0x400; /* make sure it is cleared on return */
606 return ExceptionContinueExecution;
607 }
608
609 /* test single stepping over hardware breakpoint */
610 static DWORD bpx_handler( EXCEPTION_RECORD *rec, EXCEPTION_REGISTRATION_RECORD *frame,
611 CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **dispatcher )
612 {
613 got_exception++;
614 ok( rec->ExceptionCode == EXCEPTION_SINGLE_STEP,
615 "wrong exception code: %x\n", rec->ExceptionCode);
616
617 if(got_exception == 1) {
618 /* hw bp exception on first nop */
619 ok( context->Eip == (DWORD)code_mem, "eip is wrong: %x instead of %x\n",
620 context->Eip, (DWORD)code_mem);
621 ok( (context->Dr6 & 0xf) == 1, "B0 flag is not set in Dr6\n");
622 ok( !(context->Dr6 & 0x4000), "BS flag is set in Dr6\n");
623 context->Dr0 = context->Dr0 + 1; /* set hw bp again on next instruction */
624 context->EFlags |= 0x100; /* enable single stepping */
625 } else if( got_exception == 2) {
626 /* single step exception on second nop */
627 ok( context->Eip == (DWORD)code_mem + 1, "eip is wrong: %x instead of %x\n",
628 context->Eip, (DWORD)code_mem + 1);
629 ok( (context->Dr6 & 0x4000), "BS flag is not set in Dr6\n");
630 /* depending on the win version the B0 bit is already set here as well
631 ok( (context->Dr6 & 0xf) == 0, "B0...3 flags in Dr6 shouldn't be set\n"); */
632 context->EFlags |= 0x100;
633 } else if( got_exception == 3) {
634 /* hw bp exception on second nop */
635 ok( context->Eip == (DWORD)code_mem + 1, "eip is wrong: %x instead of %x\n",
636 context->Eip, (DWORD)code_mem + 1);
637 ok( (context->Dr6 & 0xf) == 1, "B0 flag is not set in Dr6\n");
638 ok( !(context->Dr6 & 0x4000), "BS flag is set in Dr6\n");
639 context->Dr0 = 0; /* clear breakpoint */
640 context->EFlags |= 0x100;
641 } else {
642 /* single step exception on ret */
643 ok( context->Eip == (DWORD)code_mem + 2, "eip is wrong: %x instead of %x\n",
644 context->Eip, (DWORD)code_mem + 2);
645 ok( (context->Dr6 & 0xf) == 0, "B0...3 flags in Dr6 shouldn't be set\n");
646 ok( (context->Dr6 & 0x4000), "BS flag is not set in Dr6\n");
647 }
648
649 context->Dr6 = 0; /* clear status register */
650 return ExceptionContinueExecution;
651 }
652
653 static const BYTE dummy_code[] = { 0x90, 0x90, 0xc3 }; /* nop, nop, ret */
654
655 /* test int3 handling */
656 static DWORD int3_handler( EXCEPTION_RECORD *rec, EXCEPTION_REGISTRATION_RECORD *frame,
657 CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **dispatcher )
658 {
659 ok( rec->ExceptionAddress == code_mem, "exception address not at: %p, but at %p\n",
660 code_mem, rec->ExceptionAddress);
661 ok( context->Eip == (DWORD)code_mem, "eip not at: %p, but at %#x\n", code_mem, context->Eip);
662 if(context->Eip == (DWORD)code_mem) context->Eip++; /* skip breakpoint */
663
664 return ExceptionContinueExecution;
665 }
666
667 static const BYTE int3_code[] = { 0xCC, 0xc3 }; /* int 3, ret */
668
669
670 static void test_exceptions(void)
671 {
672 CONTEXT ctx;
673 NTSTATUS res;
674 struct dbgreg_test dreg_test;
675
676 if (!pNtGetContextThread || !pNtSetContextThread)
677 {
678 skip( "NtGetContextThread/NtSetContextThread not found\n" );
679 return;
680 }
681
682 /* test handling of debug registers */
683 memset(&dreg_test, 0, sizeof(dreg_test));
684
685 dreg_test.dr0 = 0x42424240;
686 dreg_test.dr2 = 0x126bb070;
687 dreg_test.dr3 = 0x0badbad0;
688 dreg_test.dr7 = 0xffff0115;
689 run_exception_test(dreg_handler, &dreg_test, &segfault_code, sizeof(segfault_code), 0);
690 check_debug_registers(1, &dreg_test);
691
692 dreg_test.dr0 = 0x42424242;
693 dreg_test.dr2 = 0x100f0fe7;
694 dreg_test.dr3 = 0x0abebabe;
695 dreg_test.dr7 = 0x115;
696 run_exception_test(dreg_handler, &dreg_test, &segfault_code, sizeof(segfault_code), 0);
697 check_debug_registers(2, &dreg_test);
698
699 /* test single stepping behavior */
700 got_exception = 0;
701 run_exception_test(single_step_handler, NULL, &single_stepcode, sizeof(single_stepcode), 0);
702 ok(got_exception == 3, "expected 3 single step exceptions, got %d\n", got_exception);
703
704 /* test alignment exceptions */
705 got_exception = 0;
706 run_exception_test(align_check_handler, NULL, align_check_code, sizeof(align_check_code), 0);
707 ok(got_exception == 0, "got %d alignment faults, expected 0\n", got_exception);
708
709 /* test direction flag */
710 got_exception = 0;
711 run_exception_test(direction_flag_handler, NULL, direction_flag_code, sizeof(direction_flag_code), 0);
712 ok(got_exception == 1, "got %d exceptions, expected 1\n", got_exception);
713
714 /* test single stepping over hardware breakpoint */
715 memset(&ctx, 0, sizeof(ctx));
716 ctx.Dr0 = (DWORD) code_mem; /* set hw bp on first nop */
717 ctx.Dr7 = 3;
718 ctx.ContextFlags = CONTEXT_DEBUG_REGISTERS;
719 res = pNtSetContextThread( GetCurrentThread(), &ctx);
720 ok( res == STATUS_SUCCESS, "NtSetContextThread failed with %x\n", res);
721
722 got_exception = 0;
723 run_exception_test(bpx_handler, NULL, dummy_code, sizeof(dummy_code), 0);
724 ok( got_exception == 4,"expected 4 exceptions, got %d\n", got_exception);
725
726 /* test int3 handling */
727 run_exception_test(int3_handler, NULL, int3_code, sizeof(int3_code), 0);
728 }
729
730 static void test_debugger(void)
731 {
732 char cmdline[MAX_PATH];
733 PROCESS_INFORMATION pi;
734 STARTUPINFO si = { 0 };
735 DEBUG_EVENT de;
736 DWORD continuestatus;
737 PVOID code_mem_address = NULL;
738 NTSTATUS status;
739 SIZE_T size_read;
740 BOOL ret;
741 int counter = 0;
742 si.cb = sizeof(si);
743
744 if(!pNtGetContextThread || !pNtSetContextThread || !pNtReadVirtualMemory || !pNtTerminateProcess)
745 {
746 skip("NtGetContextThread, NtSetContextThread, NtReadVirtualMemory or NtTerminateProcess not found\n");
747 return;
748 }
749
750 sprintf(cmdline, "%s %s %s %p", my_argv[0], my_argv[1], "debuggee", &test_stage);
751 ret = CreateProcess(NULL, cmdline, NULL, NULL, FALSE, DEBUG_PROCESS, NULL, NULL, &si, &pi);
752 ok(ret, "could not create child process error: %u\n", GetLastError());
753 if (!ret)
754 return;
755
756 do
757 {
758 continuestatus = DBG_CONTINUE;
759 ok(WaitForDebugEvent(&de, INFINITE), "reading debug event\n");
760
761 if (de.dwThreadId != pi.dwThreadId)
762 {
763 trace("event %d not coming from main thread, ignoring\n", de.dwDebugEventCode);
764 ContinueDebugEvent(de.dwProcessId, de.dwThreadId, DBG_CONTINUE);
765 continue;
766 }
767
768 if (de.dwDebugEventCode == CREATE_PROCESS_DEBUG_EVENT)
769 {
770 if(de.u.CreateProcessInfo.lpBaseOfImage != pNtCurrentTeb()->Peb->ImageBaseAddress)
771 {
772 skip("child process loaded at different address, terminating it\n");
773 pNtTerminateProcess(pi.hProcess, 0);
774 }
775 }
776 else if (de.dwDebugEventCode == EXCEPTION_DEBUG_EVENT)
777 {
778 CONTEXT ctx;
779 int stage;
780
781 counter++;
782 status = pNtReadVirtualMemory(pi.hProcess, &code_mem, &code_mem_address,
783 sizeof(code_mem_address), &size_read);
784 ok(!status,"NtReadVirtualMemory failed with 0x%x\n", status);
785 status = pNtReadVirtualMemory(pi.hProcess, &test_stage, &stage,
786 sizeof(stage), &size_read);
787 ok(!status,"NtReadVirtualMemory failed with 0x%x\n", status);
788
789 ctx.ContextFlags = CONTEXT_FULL;
790 status = pNtGetContextThread(pi.hThread, &ctx);
791 ok(!status, "NtGetContextThread failed with 0x%x\n", status);
792
793 trace("exception 0x%x at %p firstchance=%d Eip=0x%x, Eax=0x%x\n",
794 de.u.Exception.ExceptionRecord.ExceptionCode,
795 de.u.Exception.ExceptionRecord.ExceptionAddress, de.u.Exception.dwFirstChance, ctx.Eip, ctx.Eax);
796
797 if (counter > 100)
798 {
799 ok(FALSE, "got way too many exceptions, probably caught in a infinite loop, terminating child\n");
800 pNtTerminateProcess(pi.hProcess, 1);
801 }
802 else if (counter >= 2) /* skip startup breakpoint */
803 {
804 if (stage == 1)
805 {
806 ok((char *)ctx.Eip == (char *)code_mem_address + 0xb, "Eip at %x instead of %p\n",
807 ctx.Eip, (char *)code_mem_address + 0xb);
808 /* setting the context from debugger does not affect the context, the exception handlers gets */
809 /* uncomment once wine is fixed */
810 /* ctx.Eip = 0x12345; */
811 ctx.Eax = 0xf00f00f1;
812
813 /* let the debuggee handle the exception */
814 continuestatus = DBG_EXCEPTION_NOT_HANDLED;
815 }
816 else if (stage == 2)
817 {
818 if (de.u.Exception.dwFirstChance)
819 {
820 /* debugger gets first chance exception with unmodified ctx.Eip */
821 ok((char *)ctx.Eip == (char *)code_mem_address + 0xb, "Eip at 0x%x instead of %p\n",
822 ctx.Eip, (char *)code_mem_address + 0xb);
823
824 /* setting the context from debugger does not affect the context, the exception handlers gets */
825 /* uncomment once wine is fixed */
826 /* ctx.Eip = 0x12345; */
827 ctx.Eax = 0xf00f00f1;
828
829 /* pass exception to debuggee
830 * exception will not be handled and
831 * a second chance exception will be raised */
832 continuestatus = DBG_EXCEPTION_NOT_HANDLED;
833 }
834 else
835 {
836 /* debugger gets context after exception handler has played with it */
837 /* ctx.Eip is the same value the exception handler got */
838 if (de.u.Exception.ExceptionRecord.ExceptionCode == EXCEPTION_BREAKPOINT)
839 {
840 ok((char *)ctx.Eip == (char *)code_mem_address + 0xa ||
841 broken(is_wow64 && (char *)ctx.Eip == (char *)code_mem_address + 0xb),
842 "Eip at 0x%x instead of %p\n",
843 ctx.Eip, (char *)code_mem_address + 0xa);
844 /* need to fixup Eip for debuggee */
845 if ((char *)ctx.Eip == (char *)code_mem_address + 0xa)
846 ctx.Eip += 1;
847 }
848 else
849 ok((char *)ctx.Eip == (char *)code_mem_address + 0xb, "Eip at 0x%x instead of %p\n",
850 ctx.Eip, (char *)code_mem_address + 0xb);
851 /* here we handle exception */
852 }
853 }
854 else
855 ok(FALSE, "unexpected stage %x\n", stage);
856
857 status = pNtSetContextThread(pi.hThread, &ctx);
858 ok(!status, "NtSetContextThread failed with 0x%x\n", status);
859 }
860 }
861
862 ContinueDebugEvent(de.dwProcessId, de.dwThreadId, continuestatus);
863
864 } while (de.dwDebugEventCode != EXIT_PROCESS_DEBUG_EVENT);
865
866 winetest_wait_child_process( pi.hProcess );
867 ret = CloseHandle(pi.hThread);
868 ok(ret, "error %u\n", GetLastError());
869 ret = CloseHandle(pi.hProcess);
870 ok(ret, "error %u\n", GetLastError());
871
872 return;
873 }
874
875 static DWORD simd_fault_handler( EXCEPTION_RECORD *rec, EXCEPTION_REGISTRATION_RECORD *frame,
876 CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **dispatcher )
877 {
878 int *stage = *(int **)(frame + 1);
879
880 got_exception++;
881
882 if( *stage == 1) {
883 /* fault while executing sse instruction */
884 context->Eip += 3; /* skip addps */
885 return ExceptionContinueExecution;
886 }
887
888 /* stage 2 - divide by zero fault */
889 if( rec->ExceptionCode == EXCEPTION_ILLEGAL_INSTRUCTION)
890 skip("system doesn't support SIMD exceptions\n");
891 else {
892 ok( rec->ExceptionCode == STATUS_FLOAT_MULTIPLE_TRAPS,
893 "exception code: %#x, should be %#x\n",
894 rec->ExceptionCode, STATUS_FLOAT_MULTIPLE_TRAPS);
895 ok( rec->NumberParameters == 1 || broken(is_wow64 && rec->NumberParameters == 2),
896 "# of params: %i, should be 1\n",
897 rec->NumberParameters);
898 if( rec->NumberParameters == 1 )
899 ok( rec->ExceptionInformation[0] == 0, "param #1: %lx, should be 0\n", rec->ExceptionInformation[0]);
900 }
901
902 context->Eip += 3; /* skip divps */
903
904 return ExceptionContinueExecution;
905 }
906
907 static const BYTE simd_exception_test[] = {
908 0x83, 0xec, 0x4, /* sub $0x4, %esp */
909 0x0f, 0xae, 0x1c, 0x24, /* stmxcsr (%esp) */
910 0x66, 0x81, 0x24, 0x24, 0xff, 0xfd, /* andw $0xfdff,(%esp) * enable divide by */
911 0x0f, 0xae, 0x14, 0x24, /* ldmxcsr (%esp) * zero exceptions */
912 0x6a, 0x01, /* push $0x1 */
913 0x6a, 0x01, /* push $0x1 */
914 0x6a, 0x01, /* push $0x1 */
915 0x6a, 0x01, /* push $0x1 */
916 0x0f, 0x10, 0x0c, 0x24, /* movups (%esp),%xmm1 * fill dividend */
917 0x0f, 0x57, 0xc0, /* xorps %xmm0,%xmm0 * clear divisor */
918 0x0f, 0x5e, 0xc8, /* divps %xmm0,%xmm1 * generate fault */
919 0x83, 0xc4, 0x10, /* add $0x10,%esp */
920 0x66, 0x81, 0x0c, 0x24, 0x00, 0x02, /* orw $0x200,(%esp) * disable exceptions */
921 0x0f, 0xae, 0x14, 0x24, /* ldmxcsr (%esp) */
922 0x83, 0xc4, 0x04, /* add $0x4,%esp */
923 0xc3, /* ret */
924 };
925
926 static const BYTE sse_check[] = {
927 0x0f, 0x58, 0xc8, /* addps %xmm0,%xmm1 */
928 0xc3, /* ret */
929 };
930
931 static void test_simd_exceptions(void)
932 {
933 int stage;
934
935 /* test if CPU & OS can do sse */
936 stage = 1;
937 got_exception = 0;
938 run_exception_test(simd_fault_handler, &stage, sse_check, sizeof(sse_check), 0);
939 if(got_exception) {
940 skip("system doesn't support SSE\n");
941 return;
942 }
943
944 /* generate a SIMD exception */
945 stage = 2;
946 got_exception = 0;
947 run_exception_test(simd_fault_handler, &stage, simd_exception_test,
948 sizeof(simd_exception_test), 0);
949 ok( got_exception == 1, "got exception: %i, should be 1\n", got_exception);
950 }
951
952 struct fpu_exception_info
953 {
954 DWORD exception_code;
955 DWORD exception_offset;
956 DWORD eip_offset;
957 };
958
959 static DWORD fpu_exception_handler(EXCEPTION_RECORD *rec, EXCEPTION_REGISTRATION_RECORD *frame,
960 CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **dispatcher)
961 {
962 struct fpu_exception_info *info = *(struct fpu_exception_info **)(frame + 1);
963
964 info->exception_code = rec->ExceptionCode;
965 info->exception_offset = (BYTE *)rec->ExceptionAddress - (BYTE *)code_mem;
966 info->eip_offset = context->Eip - (DWORD)code_mem;
967
968 ++context->Eip;
969 return ExceptionContinueExecution;
970 }
971
972 static void test_fpu_exceptions(void)
973 {
974 static const BYTE fpu_exception_test_ie[] =
975 {
976 0x83, 0xec, 0x04, /* sub $0x4,%esp */
977 0x66, 0xc7, 0x04, 0x24, 0xfe, 0x03, /* movw $0x3fe,(%esp) */
978 0x9b, 0xd9, 0x7c, 0x24, 0x02, /* fstcw 0x2(%esp) */
979 0xd9, 0x2c, 0x24, /* fldcw (%esp) */
980 0xd9, 0xee, /* fldz */
981 0xd9, 0xe8, /* fld1 */
982 0xde, 0xf1, /* fdivp */
983 0xdd, 0xd8, /* fstp %st(0) */
984 0xdd, 0xd8, /* fstp %st(0) */
985 0x9b, /* fwait */
986 0xdb, 0xe2, /* fnclex */
987 0xd9, 0x6c, 0x24, 0x02, /* fldcw 0x2(%esp) */
988 0x83, 0xc4, 0x04, /* add $0x4,%esp */
989 0xc3, /* ret */
990 };
991
992 static const BYTE fpu_exception_test_de[] =
993 {
994 0x83, 0xec, 0x04, /* sub $0x4,%esp */
995 0x66, 0xc7, 0x04, 0x24, 0xfb, 0x03, /* movw $0x3fb,(%esp) */
996 0x9b, 0xd9, 0x7c, 0x24, 0x02, /* fstcw 0x2(%esp) */
997 0xd9, 0x2c, 0x24, /* fldcw (%esp) */
998 0xdd, 0xd8, /* fstp %st(0) */
999 0xd9, 0xee, /* fldz */
1000 0xd9, 0xe8, /* fld1 */
1001 0xde, 0xf1, /* fdivp */
1002 0x9b, /* fwait */
1003 0xdb, 0xe2, /* fnclex */
1004 0xdd, 0xd8, /* fstp %st(0) */
1005 0xdd, 0xd8, /* fstp %st(0) */
1006 0xd9, 0x6c, 0x24, 0x02, /* fldcw 0x2(%esp) */
1007 0x83, 0xc4, 0x04, /* add $0x4,%esp */
1008 0xc3, /* ret */
1009 };
1010
1011 struct fpu_exception_info info;
1012
1013 memset(&info, 0, sizeof(info));
1014 run_exception_test(fpu_exception_handler, &info, fpu_exception_test_ie, sizeof(fpu_exception_test_ie), 0);
1015 ok(info.exception_code == EXCEPTION_FLT_STACK_CHECK,
1016 "Got exception code %#x, expected EXCEPTION_FLT_STACK_CHECK\n", info.exception_code);
1017 ok(info.exception_offset == 0x19 ||
1018 broken( is_wow64 && info.exception_offset == info.eip_offset ),
1019 "Got exception offset %#x, expected 0x19\n", info.exception_offset);
1020 ok(info.eip_offset == 0x1b, "Got EIP offset %#x, expected 0x1b\n", info.eip_offset);
1021
1022 memset(&info, 0, sizeof(info));
1023 run_exception_test(fpu_exception_handler, &info, fpu_exception_test_de, sizeof(fpu_exception_test_de), 0);
1024 ok(info.exception_code == EXCEPTION_FLT_DIVIDE_BY_ZERO,
1025 "Got exception code %#x, expected EXCEPTION_FLT_DIVIDE_BY_ZERO\n", info.exception_code);
1026 ok(info.exception_offset == 0x17 ||
1027 broken( is_wow64 && info.exception_offset == info.eip_offset ),
1028 "Got exception offset %#x, expected 0x17\n", info.exception_offset);
1029 ok(info.eip_offset == 0x19, "Got EIP offset %#x, expected 0x19\n", info.eip_offset);
1030 }
1031
1032 struct dpe_exception_info {
1033 BOOL exception_caught;
1034 DWORD exception_info;
1035 };
1036
1037 static DWORD dpe_exception_handler(EXCEPTION_RECORD *rec, EXCEPTION_REGISTRATION_RECORD *frame,
1038 CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **dispatcher)
1039 {
1040 DWORD old_prot;
1041 struct dpe_exception_info *info = *(struct dpe_exception_info **)(frame + 1);
1042
1043 ok(rec->ExceptionCode == EXCEPTION_ACCESS_VIOLATION,
1044 "Exception code %08x\n", rec->ExceptionCode);
1045 ok(rec->NumberParameters == 2,
1046 "Parameter count: %d\n", rec->NumberParameters);
1047 ok((LPVOID)rec->ExceptionInformation[1] == code_mem,
1048 "Exception address: %p, expected %p\n",
1049 (LPVOID)rec->ExceptionInformation[1], code_mem);
1050
1051 info->exception_info = rec->ExceptionInformation[0];
1052 info->exception_caught = TRUE;
1053
1054 VirtualProtect(code_mem, 1, PAGE_EXECUTE_READWRITE, &old_prot);
1055 return ExceptionContinueExecution;
1056 }
1057
1058 static void test_dpe_exceptions(void)
1059 {
1060 static char single_ret[] = {0xC3};
1061 struct dpe_exception_info info;
1062 NTSTATUS stat;
1063 BOOL has_hw_support;
1064 BOOL is_permanent = FALSE, can_test_without = TRUE, can_test_with = TRUE;
1065 DWORD val;
1066 ULONG len;
1067
1068 /* Query DEP with len to small */
1069 stat = pNtQueryInformationProcess(GetCurrentProcess(), ProcessExecuteFlags, &val, sizeof val - 1, &len);
1070 if(stat == STATUS_INVALID_INFO_CLASS)
1071 {
1072 skip("This software platform does not support DEP\n");
1073 return;
1074 }
1075 ok(stat == STATUS_INFO_LENGTH_MISMATCH, "buffer too small: %08x\n", stat);
1076
1077 /* Query DEP */
1078 stat = pNtQueryInformationProcess(GetCurrentProcess(), ProcessExecuteFlags, &val, sizeof val, &len);
1079 ok(stat == STATUS_SUCCESS, "querying DEP: status %08x\n", stat);
1080 if(stat == STATUS_SUCCESS)
1081 {
1082 ok(len == sizeof val, "returned length: %d\n", len);
1083 if(val & MEM_EXECUTE_OPTION_PERMANENT)
1084 {
1085 skip("toggling DEP impossible - status locked\n");
1086 is_permanent = TRUE;
1087 if(val & MEM_EXECUTE_OPTION_DISABLE)
1088 can_test_without = FALSE;
1089 else
1090 can_test_with = FALSE;
1091 }
1092 }
1093
1094 if(!is_permanent)
1095 {
1096 /* Enable DEP */
1097 val = MEM_EXECUTE_OPTION_DISABLE;
1098 stat = pNtSetInformationProcess(GetCurrentProcess(), ProcessExecuteFlags, &val, sizeof val);
1099 ok(stat == STATUS_SUCCESS, "enabling DEP: status %08x\n", stat);
1100 }
1101
1102 if(can_test_with)
1103 {
1104 /* Try access to locked page with DEP on*/
1105 info.exception_caught = FALSE;
1106 run_exception_test(dpe_exception_handler, &info, single_ret, sizeof(single_ret), PAGE_NOACCESS);
1107 ok(info.exception_caught == TRUE, "Execution of disabled memory succeeded\n");
1108 ok(info.exception_info == EXCEPTION_READ_FAULT ||
1109 info.exception_info == EXCEPTION_EXECUTE_FAULT,
1110 "Access violation type: %08x\n", (unsigned)info.exception_info);
1111 has_hw_support = info.exception_info == EXCEPTION_EXECUTE_FAULT;
1112 trace("DEP hardware support: %s\n", has_hw_support?"Yes":"No");
1113
1114 /* Try execution of data with DEP on*/
1115 info.exception_caught = FALSE;
1116 run_exception_test(dpe_exception_handler, &info, single_ret, sizeof(single_ret), PAGE_READWRITE);
1117 if(has_hw_support)
1118 {
1119 ok(info.exception_caught == TRUE, "Execution of data memory succeeded\n");
1120 ok(info.exception_info == EXCEPTION_EXECUTE_FAULT,
1121 "Access violation type: %08x\n", (unsigned)info.exception_info);
1122 }
1123 else
1124 ok(info.exception_caught == FALSE, "Execution trapped without hardware support\n");
1125 }
1126 else
1127 skip("DEP is in AlwaysOff state\n");
1128
1129 if(!is_permanent)
1130 {
1131 /* Disable DEP */
1132 val = MEM_EXECUTE_OPTION_ENABLE;
1133 stat = pNtSetInformationProcess(GetCurrentProcess(), ProcessExecuteFlags, &val, sizeof val);
1134 ok(stat == STATUS_SUCCESS, "disabling DEP: status %08x\n", stat);
1135 }
1136
1137 /* page is read without exec here */
1138 if(can_test_without)
1139 {
1140 /* Try execution of data with DEP off */
1141 info.exception_caught = FALSE;
1142 run_exception_test(dpe_exception_handler, &info, single_ret, sizeof(single_ret), PAGE_READWRITE);
1143 ok(info.exception_caught == FALSE, "Execution trapped with DEP turned off\n");
1144
1145 /* Try access to locked page with DEP off - error code is different than
1146 with hardware DEP on */
1147 info.exception_caught = FALSE;
1148 run_exception_test(dpe_exception_handler, &info, single_ret, sizeof(single_ret), PAGE_NOACCESS);
1149 ok(info.exception_caught == TRUE, "Execution of disabled memory succeeded\n");
1150 ok(info.exception_info == EXCEPTION_READ_FAULT,
1151 "Access violation type: %08x\n", (unsigned)info.exception_info);
1152 }
1153 else
1154 skip("DEP is in AlwaysOn state\n");
1155
1156 if(!is_permanent)
1157 {
1158 /* Turn off DEP permanently */
1159 val = MEM_EXECUTE_OPTION_ENABLE | MEM_EXECUTE_OPTION_PERMANENT;
1160 stat = pNtSetInformationProcess(GetCurrentProcess(), ProcessExecuteFlags, &val, sizeof val);
1161 ok(stat == STATUS_SUCCESS, "disabling DEP permanently: status %08x\n", stat);
1162 }
1163
1164 /* Try to turn off DEP */
1165 val = MEM_EXECUTE_OPTION_ENABLE;
1166 stat = pNtSetInformationProcess(GetCurrentProcess(), ProcessExecuteFlags, &val, sizeof val);
1167 ok(stat == STATUS_ACCESS_DENIED, "disabling DEP while permanent: status %08x\n", stat);
1168
1169 /* Try to turn on DEP */
1170 val = MEM_EXECUTE_OPTION_DISABLE;
1171 stat = pNtSetInformationProcess(GetCurrentProcess(), ProcessExecuteFlags, &val, sizeof val);
1172 ok(stat == STATUS_ACCESS_DENIED, "enabling DEP while permanent: status %08x\n", stat);
1173 }
1174
1175 #elif defined(__x86_64__)
1176
1177 #define UNW_FLAG_NHANDLER 0
1178 #define UNW_FLAG_EHANDLER 1
1179 #define UNW_FLAG_UHANDLER 2
1180 #define UNW_FLAG_CHAININFO 4
1181
1182 #define UWOP_PUSH_NONVOL 0
1183 #define UWOP_ALLOC_LARGE 1
1184 #define UWOP_ALLOC_SMALL 2
1185 #define UWOP_SET_FPREG 3
1186 #define UWOP_SAVE_NONVOL 4
1187 #define UWOP_SAVE_NONVOL_FAR 5
1188 #define UWOP_SAVE_XMM128 8
1189 #define UWOP_SAVE_XMM128_FAR 9
1190 #define UWOP_PUSH_MACHFRAME 10
1191
1192 struct results
1193 {
1194 int rip_offset; /* rip offset from code start */
1195 int rbp_offset; /* rbp offset from stack pointer */
1196 int handler; /* expect handler to be set? */
1197 int rip; /* expected final rip value */
1198 int frame; /* expected frame return value */
1199 int regs[8][2]; /* expected values for registers */
1200 };
1201
1202 struct unwind_test
1203 {
1204 const BYTE *function;
1205 size_t function_size;
1206 const BYTE *unwind_info;
1207 const struct results *results;
1208 unsigned int nb_results;
1209 };
1210
1211 enum regs
1212 {
1213 rax, rcx, rdx, rbx, rsp, rbp, rsi, rdi,
1214 r8, r9, r10, r11, r12, r13, r14, r15
1215 };
1216
1217 static const char * const reg_names[16] =
1218 {
1219 "rax", "rcx", "rdx", "rbx", "rsp", "rbp", "rsi", "rdi",
1220 "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15"
1221 };
1222
1223 #define UWOP(code,info) (UWOP_##code | ((info) << 4))
1224
1225 static void call_virtual_unwind( int testnum, const struct unwind_test *test )
1226 {
1227 static const int code_offset = 1024;
1228 static const int unwind_offset = 2048;
1229 void *handler, *data;
1230 CONTEXT context;
1231 RUNTIME_FUNCTION runtime_func;
1232 KNONVOLATILE_CONTEXT_POINTERS ctx_ptr;
1233 UINT i, j, k;
1234 ULONG64 fake_stack[256];
1235 ULONG64 frame, orig_rip, orig_rbp, unset_reg;
1236 UINT unwind_size = 4 + 2 * test->unwind_info[2] + 8;
1237
1238 memcpy( (char *)code_mem + code_offset, test->function, test->function_size );
1239 memcpy( (char *)code_mem + unwind_offset, test->unwind_info, unwind_size );
1240
1241 runtime_func.BeginAddress = code_offset;
1242 runtime_func.EndAddress = code_offset + test->function_size;
1243 runtime_func.UnwindData = unwind_offset;
1244
1245 trace( "code: %p stack: %p\n", code_mem, fake_stack );
1246
1247 for (i = 0; i < test->nb_results; i++)
1248 {
1249 memset( &ctx_ptr, 0, sizeof(ctx_ptr) );
1250 memset( &context, 0x55, sizeof(context) );
1251 memset( &unset_reg, 0x55, sizeof(unset_reg) );
1252 for (j = 0; j < 256; j++) fake_stack[j] = j * 8;
1253
1254 context.Rsp = (ULONG_PTR)fake_stack;
1255 context.Rbp = (ULONG_PTR)fake_stack + test->results[i].rbp_offset;
1256 orig_rbp = context.Rbp;
1257 orig_rip = (ULONG64)code_mem + code_offset + test->results[i].rip_offset;
1258
1259 trace( "%u/%u: rip=%p (%02x) rbp=%p rsp=%p\n", testnum, i,
1260 (void *)orig_rip, *(BYTE *)orig_rip, (void *)orig_rbp, (void *)context.Rsp );
1261
1262 data = (void *)0xdeadbeef;
1263 handler = RtlVirtualUnwind( UNW_FLAG_EHANDLER, (ULONG64)code_mem, orig_rip,
1264 &runtime_func, &context, &data, &frame, &ctx_ptr );
1265 if (test->results[i].handler)
1266 {
1267 ok( (char *)handler == (char *)code_mem + 0x200,
1268 "%u/%u: wrong handler %p/%p\n", testnum, i, handler, (char *)code_mem + 0x200 );
1269 if (handler) ok( *(DWORD *)data == 0x08070605,
1270 "%u/%u: wrong handler data %p\n", testnum, i, data );
1271 }
1272 else
1273 {
1274 ok( handler == NULL, "%u/%u: handler %p instead of NULL\n", testnum, i, handler );
1275 ok( data == (void *)0xdeadbeef, "%u/%u: handler data set to %p\n", testnum, i, data );
1276 }
1277
1278 ok( context.Rip == test->results[i].rip, "%u/%u: wrong rip %p/%x\n",
1279 testnum, i, (void *)context.Rip, test->results[i].rip );
1280 ok( frame == (ULONG64)fake_stack + test->results[i].frame, "%u/%u: wrong frame %p/%p\n",
1281 testnum, i, (void *)frame, (char *)fake_stack + test->results[i].frame );
1282
1283 for (j = 0; j < 16; j++)
1284 {
1285 static const UINT nb_regs = sizeof(test->results[i].regs) / sizeof(test->results[i].regs[0]);
1286
1287 for (k = 0; k < nb_regs; k++)
1288 {
1289 if (test->results[i].regs[k][0] == -1)
1290 {
1291 k = nb_regs;
1292 break;
1293 }
1294 if (test->results[i].regs[k][0] == j) break;
1295 }
1296
1297 if (j == rsp) /* rsp is special */
1298 {
1299 ok( !ctx_ptr.u2.IntegerContext[j],
1300 "%u/%u: rsp should not be set in ctx_ptr\n", testnum, i );
1301 ok( context.Rsp == (ULONG64)fake_stack + test->results[i].regs[k][1],
1302 "%u/%u: register rsp wrong %p/%p\n",
1303 testnum, i, (void *)context.Rsp, (char *)fake_stack + test->results[i].regs[k][1] );
1304 continue;
1305 }
1306
1307 if (ctx_ptr.u2.IntegerContext[j])
1308 {
1309 ok( k < nb_regs, "%u/%u: register %s should not be set to %lx\n",
1310 testnum, i, reg_names[j], *(&context.Rax + j) );
1311 if (k < nb_regs)
1312 ok( *(&context.Rax + j) == test->results[i].regs[k][1],
1313 "%u/%u: register %s wrong %p/%x\n",
1314 testnum, i, reg_names[j], (void *)*(&context.Rax + j), test->results[i].regs[k][1] );
1315 }
1316 else
1317 {
1318 ok( k == nb_regs, "%u/%u: register %s should be set\n", testnum, i, reg_names[j] );
1319 if (j == rbp)
1320 ok( context.Rbp == orig_rbp, "%u/%u: register rbp wrong %p/unset\n",
1321 testnum, i, (void *)context.Rbp );
1322 else
1323 ok( *(&context.Rax + j) == unset_reg,
1324 "%u/%u: register %s wrong %p/unset\n",
1325 testnum, i, reg_names[j], (void *)*(&context.Rax + j));
1326 }
1327 }
1328 }
1329 }
1330
1331 static void test_virtual_unwind(void)
1332 {
1333 static const BYTE function_0[] =
1334 {
1335 0xff, 0xf5, /* 00: push %rbp */
1336 0x48, 0x81, 0xec, 0x10, 0x01, 0x00, 0x00, /* 02: sub $0x110,%rsp */
1337 0x48, 0x8d, 0x6c, 0x24, 0x30, /* 09: lea 0x30(%rsp),%rbp */
1338 0x48, 0x89, 0x9d, 0xf0, 0x00, 0x00, 0x00, /* 0e: mov %rbx,0xf0(%rbp) */
1339 0x48, 0x89, 0xb5, 0xf8, 0x00, 0x00, 0x00, /* 15: mov %rsi,0xf8(%rbp) */
1340 0x90, /* 1c: nop */
1341 0x48, 0x8b, 0x9d, 0xf0, 0x00, 0x00, 0x00, /* 1d: mov 0xf0(%rbp),%rbx */
1342 0x48, 0x8b, 0xb5, 0xf8, 0x00, 0x00, 0x00, /* 24: mov 0xf8(%rbp),%rsi */
1343 0x48, 0x8d, 0xa5, 0xe0, 0x00, 0x00, 0x00, /* 2b: lea 0xe0(%rbp),%rsp */
1344 0x5d, /* 32: pop %rbp */
1345 0xc3 /* 33: ret */
1346 };
1347
1348 static const BYTE unwind_info_0[] =
1349 {
1350 1 | (UNW_FLAG_EHANDLER << 3), /* version + flags */
1351 0x1c, /* prolog size */
1352 8, /* opcode count */
1353 (0x03 << 4) | rbp, /* frame reg rbp offset 0x30 */
1354
1355 0x1c, UWOP(SAVE_NONVOL, rsi), 0x25, 0, /* 1c: mov %rsi,0x128(%rsp) */
1356 0x15, UWOP(SAVE_NONVOL, rbx), 0x24, 0, /* 15: mov %rbx,0x120(%rsp) */
1357 0x0e, UWOP(SET_FPREG, rbp), /* 0e: lea 0x30(%rsp),rbp */
1358 0x09, UWOP(ALLOC_LARGE, 0), 0x22, 0, /* 09: sub $0x110,%rsp */
1359 0x02, UWOP(PUSH_NONVOL, rbp), /* 02: push %rbp */
1360
1361 0x00, 0x02, 0x00, 0x00, /* handler */
1362 0x05, 0x06, 0x07, 0x08, /* data */
1363 };
1364
1365 static const struct results results_0[] =
1366 {
1367 /* offset rbp handler rip frame registers */
1368 { 0x00, 0x40, FALSE, 0x000, 0x000, { {rsp,0x008}, {-1,-1} }},
1369 { 0x02, 0x40, FALSE, 0x008, 0x000, { {rsp,0x010}, {rbp,0x000}, {-1,-1} }},
1370 { 0x09, 0x40, FALSE, 0x118, 0x000, { {rsp,0x120}, {rbp,0x110}, {-1,-1} }},
1371 { 0x0e, 0x40, FALSE, 0x128, 0x010, { {rsp,0x130}, {rbp,0x120}, {-1,-1} }},
1372 { 0x15, 0x40, FALSE, 0x128, 0x010, { {rsp,0x130}, {rbp,0x120}, {rbx,0x130}, {-1,-1} }},
1373 { 0x1c, 0x40, TRUE, 0x128, 0x010, { {rsp,0x130}, {rbp,0x120}, {rbx,0x130}, {rsi,0x138}, {-1,-1}}},
1374 { 0x1d, 0x40, TRUE, 0x128, 0x010, { {rsp,0x130}, {rbp,0x120}, {rbx,0x130}, {rsi,0x138}, {-1,-1}}},
1375 { 0x24, 0x40, TRUE, 0x128, 0x010, { {rsp,0x130}, {rbp,0x120}, {rbx,0x130}, {rsi,0x138}, {-1,-1}}},
1376 { 0x2b, 0x40, FALSE, 0x128, 0x010, { {rsp,0x130}, {rbp,0x120}, {-1,-1}}},
1377 { 0x32, 0x40, FALSE, 0x008, 0x010, { {rsp,0x010}, {rbp,0x000}, {-1,-1}}},
1378 { 0x33, 0x40, FALSE, 0x000, 0x010, { {rsp,0x008}, {-1,-1}}},
1379 };
1380
1381
1382 static const BYTE function_1[] =
1383 {
1384 0x53, /* 00: push %rbx */
1385 0x55, /* 01: push %rbp */
1386 0x56, /* 02: push %rsi */
1387 0x57, /* 03: push %rdi */
1388 0x41, 0x54, /* 04: push %r12 */
1389 0x48, 0x83, 0xec, 0x30, /* 06: sub $0x30,%rsp */
1390 0x90, 0x90, /* 0a: nop; nop */
1391 0x48, 0x83, 0xc4, 0x30, /* 0c: add $0x30,%rsp */
1392 0x41, 0x5c, /* 10: pop %r12 */
1393 0x5f, /* 12: pop %rdi */
1394 0x5e, /* 13: pop %rsi */
1395 0x5d, /* 14: pop %rbp */
1396 0x5b, /* 15: pop %rbx */
1397 0xc3 /* 16: ret */
1398 };
1399
1400 static const BYTE unwind_info_1[] =
1401 {
1402 1 | (UNW_FLAG_EHANDLER << 3), /* version + flags */
1403 0x0a, /* prolog size */
1404 6, /* opcode count */
1405 0, /* frame reg */
1406
1407 0x0a, UWOP(ALLOC_SMALL, 5), /* 0a: sub $0x30,%rsp */
1408 0x06, UWOP(PUSH_NONVOL, r12), /* 06: push %r12 */
1409 0x04, UWOP(PUSH_NONVOL, rdi), /* 04: push %rdi */
1410 0x03, UWOP(PUSH_NONVOL, rsi), /* 03: push %rsi */
1411 0x02, UWOP(PUSH_NONVOL, rbp), /* 02: push %rbp */
1412 0x01, UWOP(PUSH_NONVOL, rbx), /* 01: push %rbx */
1413
1414 0x00, 0x02, 0x00, 0x00, /* handler */
1415 0x05, 0x06, 0x07, 0x08, /* data */
1416 };
1417
1418 static const struct results results_1[] =
1419 {
1420 /* offset rbp handler rip frame registers */
1421 { 0x00, 0x50, FALSE, 0x000, 0x000, { {rsp,0x008}, {-1,-1} }},
1422 { 0x01, 0x50, FALSE, 0x008, 0x000, { {rsp,0x010}, {rbx,0x000}, {-1,-1} }},
1423 { 0x02, 0x50, FALSE, 0x010, 0x000, { {rsp,0x018}, {rbx,0x008}, {rbp,0x000}, {-1,-1} }},
1424 { 0x03, 0x50, FALSE, 0x018, 0x000, { {rsp,0x020}, {rbx,0x010}, {rbp,0x008}, {rsi,0x000}, {-1,-1} }},
1425 { 0x04, 0x50, FALSE, 0x020, 0x000, { {rsp,0x028}, {rbx,0x018}, {rbp,0x010}, {rsi,0x008}, {rdi,0x000}, {-1,-1} }},
1426 { 0x06, 0x50, FALSE, 0x028, 0x000, { {rsp,0x030}, {rbx,0x020}, {rbp,0x018}, {rsi,0x010}, {rdi,0x008}, {r12,0x000}, {-1,-1} }},
1427 { 0x0a, 0x50, TRUE, 0x058, 0x000, { {rsp,0x060}, {rbx,0x050}, {rbp,0x048}, {rsi,0x040}, {rdi,0x038}, {r12,0x030}, {-1,-1} }},
1428 { 0x0c, 0x50, FALSE, 0x058, 0x000, { {rsp,0x060}, {rbx,0x050}, {rbp,0x048}, {rsi,0x040}, {rdi,0x038}, {r12,0x030}, {-1,-1} }},
1429 { 0x10, 0x50, FALSE, 0x028, 0x000, { {rsp,0x030}, {rbx,0x020}, {rbp,0x018}, {rsi,0x010}, {rdi,0x008}, {r12,0x000}, {-1,-1} }},
1430 { 0x12, 0x50, FALSE, 0x020, 0x000, { {rsp,0x028}, {rbx,0x018}, {rbp,0x010}, {rsi,0x008}, {rdi,0x000}, {-1,-1} }},
1431 { 0x13, 0x50, FALSE, 0x018, 0x000, { {rsp,0x020}, {rbx,0x010}, {rbp,0x008}, {rsi,0x000}, {-1,-1} }},
1432 { 0x14, 0x50, FALSE, 0x010, 0x000, { {rsp,0x018}, {rbx,0x008}, {rbp,0x000}, {-1,-1} }},
1433 { 0x15, 0x50, FALSE, 0x008, 0x000, { {rsp,0x010}, {rbx,0x000}, {-1,-1} }},
1434 { 0x16, 0x50, FALSE, 0x000, 0x000, { {rsp,0x008}, {-1,-1} }},
1435 };
1436
1437 static const struct unwind_test tests[] =
1438 {
1439 { function_0, sizeof(function_0), unwind_info_0,
1440 results_0, sizeof(results_0)/sizeof(results_0[0]) },
1441 { function_1, sizeof(function_1), unwind_info_1,
1442 results_1, sizeof(results_1)/sizeof(results_1[0]) }
1443 };
1444 unsigned int i;
1445
1446 for (i = 0; i < sizeof(tests)/sizeof(tests[0]); i++)
1447 call_virtual_unwind( i, &tests[i] );
1448 }
1449
1450 #endif /* __x86_64__ */
1451
1452 START_TEST(exception)
1453 {
1454 HMODULE hntdll = GetModuleHandleA("ntdll.dll");
1455
1456 code_mem = VirtualAlloc(NULL, 65536, MEM_RESERVE | MEM_COMMIT, PAGE_EXECUTE_READWRITE);
1457 if(!code_mem) {
1458 trace("VirtualAlloc failed\n");
1459 return;
1460 }
1461
1462 pNtCurrentTeb = (void *)GetProcAddress( hntdll, "NtCurrentTeb" );
1463 pNtGetContextThread = (void *)GetProcAddress( hntdll, "NtGetContextThread" );
1464 pNtSetContextThread = (void *)GetProcAddress( hntdll, "NtSetContextThread" );
1465 pNtReadVirtualMemory = (void *)GetProcAddress( hntdll, "NtReadVirtualMemory" );
1466 pRtlRaiseException = (void *)GetProcAddress( hntdll, "RtlRaiseException" );
1467 pNtTerminateProcess = (void *)GetProcAddress( hntdll, "NtTerminateProcess" );
1468 pRtlAddVectoredExceptionHandler = (void *)GetProcAddress( hntdll,
1469 "RtlAddVectoredExceptionHandler" );
1470 pRtlRemoveVectoredExceptionHandler = (void *)GetProcAddress( hntdll,
1471 "RtlRemoveVectoredExceptionHandler" );
1472 pNtQueryInformationProcess = (void*)GetProcAddress( hntdll,
1473 "NtQueryInformationProcess" );
1474 pNtSetInformationProcess = (void*)GetProcAddress( hntdll,
1475 "NtSetInformationProcess" );
1476 pIsWow64Process = (void *)GetProcAddress(GetModuleHandle("kernel32.dll"), "IsWow64Process");
1477
1478 #ifdef __i386__
1479 if (!pNtCurrentTeb)
1480 {
1481 skip( "NtCurrentTeb not found\n" );
1482 return;
1483 }
1484 if (!pIsWow64Process || !pIsWow64Process( GetCurrentProcess(), &is_wow64 )) is_wow64 = FALSE;
1485
1486 if (pRtlAddVectoredExceptionHandler && pRtlRemoveVectoredExceptionHandler)
1487 have_vectored_api = TRUE;
1488 else
1489 skip("RtlAddVectoredExceptionHandler or RtlRemoveVectoredExceptionHandler not found\n");
1490
1491 my_argc = winetest_get_mainargs( &my_argv );
1492 if (my_argc >= 4)
1493 {
1494 void *addr;
1495 sscanf( my_argv[3], "%p", &addr );
1496
1497 if (addr != &test_stage)
1498 {
1499 skip( "child process not mapped at same address (%p/%p)\n", &test_stage, addr);
1500 return;
1501 }
1502
1503 /* child must be run under a debugger */
1504 if (!pNtCurrentTeb()->Peb->BeingDebugged)
1505 {
1506 ok(FALSE, "child process not being debugged?\n");
1507 return;
1508 }
1509
1510 if (pRtlRaiseException)
1511 {
1512 test_stage = 1;
1513 run_rtlraiseexception_test(0x12345);
1514 run_rtlraiseexception_test(EXCEPTION_BREAKPOINT);
1515 run_rtlraiseexception_test(EXCEPTION_INVALID_HANDLE);
1516 test_stage = 2;
1517 run_rtlraiseexception_test(0x12345);
1518 run_rtlraiseexception_test(EXCEPTION_BREAKPOINT);
1519 run_rtlraiseexception_test(EXCEPTION_INVALID_HANDLE);
1520 }
1521 else
1522 skip( "RtlRaiseException not found\n" );
1523
1524 /* rest of tests only run in parent */
1525 return;
1526 }
1527
1528 test_prot_fault();
1529 test_exceptions();
1530 test_rtlraiseexception();
1531 test_debugger();
1532 test_simd_exceptions();
1533 test_fpu_exceptions();
1534 test_dpe_exceptions();
1535
1536 #elif defined(__x86_64__)
1537
1538 test_virtual_unwind();
1539
1540 #endif
1541
1542 VirtualFree(code_mem, 0, MEM_FREE);
1543 }
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