2 * Unit test suite for ntdll exceptions
4 * Copyright 2005 Alexandre Julliard
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.
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.
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
25 #define _WIN32_WINNT 0x500 /* For NTSTATUS */
28 #define NONAMELESSUNION
29 #define NONAMELESSSTRUCT
31 #define WIN32_NO_STATUS
38 #include "wine/test.h"
40 static void *code_mem
;
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
);
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
64 static char** my_argv
;
65 static int test_stage
;
69 /* Test various instruction combinations that cause a protection fault on the i386,
70 * and check what the resulting exception looks like.
73 static const struct exception
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 */
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 },
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 },
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 },
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 } },
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 } },
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 */
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 } },
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 } },
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, FALSE
, STATUS_ILLEGAL_INSTRUCTION
, 0 },
147 { { 0x64,0x64,0x64,0x64,0xfa,0xc3 },
148 0, 5, FALSE
, STATUS_PRIVILEGED_INSTRUCTION
, 0 },
150 /* test invalid interrupt */
151 { { 0xcd, 0xff, 0xc3 }, /* 21: int $0xff; ret */
152 0, 2, FALSE
, STATUS_ACCESS_VIOLATION
, 2, { 0, 0xffffffff } },
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 },
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 },
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 },
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 },
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 } },
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 } },
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 } },
199 { { 0xa3, 0xff, 0xff, 0xff, 0xff, 0xc3 }, /* 39: movl %eax,0xffffffff; ret */
200 0, 5, FALSE
, STATUS_ACCESS_VIOLATION
, 2, { 1, 0xffffffff } },
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 },
208 static int got_exception
;
209 static BOOL have_vectored_api
;
211 static void run_exception_test(void *handler
, const void* context
,
212 const void *code
, unsigned int code_size
,
216 EXCEPTION_REGISTRATION_RECORD frame
;
219 void (*func
)(void) = code_mem
;
220 DWORD oldaccess
, oldaccess2
;
222 exc_frame
.frame
.Handler
= handler
;
223 exc_frame
.frame
.Prev
= pNtCurrentTeb()->Tib
.ExceptionList
;
224 exc_frame
.context
= context
;
226 memcpy(code_mem
, code
, code_size
);
228 VirtualProtect(code_mem
, code_size
, access
, &oldaccess
);
230 pNtCurrentTeb()->Tib
.ExceptionList
= &exc_frame
.frame
;
232 pNtCurrentTeb()->Tib
.ExceptionList
= exc_frame
.frame
.Prev
;
235 VirtualProtect(code_mem
, code_size
, oldaccess
, &oldaccess2
);
238 static LONG CALLBACK
rtlraiseexception_vectored_handler(EXCEPTION_POINTERS
*ExceptionInfo
)
240 PCONTEXT context
= ExceptionInfo
->ContextRecord
;
241 PEXCEPTION_RECORD rec
= ExceptionInfo
->ExceptionRecord
;
242 trace("vect. handler %08x addr:%p context.Eip:%x\n", rec
->ExceptionCode
,
243 rec
->ExceptionAddress
, context
->Eip
);
245 ok(rec
->ExceptionAddress
== (char *)code_mem
+ 0xb, "ExceptionAddress at %p instead of %p\n",
246 rec
->ExceptionAddress
, (char *)code_mem
+ 0xb);
248 if (pNtCurrentTeb()->Peb
->BeingDebugged
)
249 ok((void *)context
->Eax
== pRtlRaiseException
, "debugger managed to modify Eax to %x should be %p\n",
250 context
->Eax
, pRtlRaiseException
);
252 /* check that context.Eip is fixed up only for EXCEPTION_BREAKPOINT
253 * even if raised by RtlRaiseException
255 if(rec
->ExceptionCode
== EXCEPTION_BREAKPOINT
)
257 ok(context
->Eip
== (DWORD
)code_mem
+ 0xa ||
258 broken(context
->Eip
== (DWORD
)code_mem
+ 0xb), /* win2k3 */
259 "Eip at %x instead of %x or %x\n", context
->Eip
,
260 (DWORD
)code_mem
+ 0xa, (DWORD
)code_mem
+ 0xb);
264 ok(context
->Eip
== (DWORD
)code_mem
+ 0xb, "Eip at %x instead of %x\n",
265 context
->Eip
, (DWORD
)code_mem
+ 0xb);
268 /* test if context change is preserved from vectored handler to stack handlers */
269 context
->Eax
= 0xf00f00f0;
270 return EXCEPTION_CONTINUE_SEARCH
;
273 static DWORD
rtlraiseexception_handler( EXCEPTION_RECORD
*rec
, EXCEPTION_REGISTRATION_RECORD
*frame
,
274 CONTEXT
*context
, EXCEPTION_REGISTRATION_RECORD
**dispatcher
)
276 trace( "exception: %08x flags:%x addr:%p context: Eip:%x\n",
277 rec
->ExceptionCode
, rec
->ExceptionFlags
, rec
->ExceptionAddress
, context
->Eip
);
279 ok(rec
->ExceptionAddress
== (char *)code_mem
+ 0xb, "ExceptionAddress at %p instead of %p\n",
280 rec
->ExceptionAddress
, (char *)code_mem
+ 0xb);
282 /* check that context.Eip is fixed up only for EXCEPTION_BREAKPOINT
283 * even if raised by RtlRaiseException
285 if(rec
->ExceptionCode
== EXCEPTION_BREAKPOINT
)
287 ok(context
->Eip
== (DWORD
)code_mem
+ 0xa ||
288 broken(context
->Eip
== (DWORD
)code_mem
+ 0xb), /* win2k3 */
289 "Eip at %x instead of %x or %x\n", context
->Eip
,
290 (DWORD
)code_mem
+ 0xa, (DWORD
)code_mem
+ 0xb);
294 ok(context
->Eip
== (DWORD
)code_mem
+ 0xb, "Eip at %x instead of %x\n",
295 context
->Eip
, (DWORD
)code_mem
+ 0xb);
298 if(have_vectored_api
)
299 ok(context
->Eax
== 0xf00f00f0, "Eax is %x, should have been set to 0xf00f00f0 in vectored handler\n",
302 /* give the debugger a chance to examine the state a second time */
303 /* without the exception handler changing Eip */
305 return ExceptionContinueSearch
;
307 /* Eip in context is decreased by 1
308 * Increase it again, else execution will continue in the middle of a instruction */
309 if(rec
->ExceptionCode
== EXCEPTION_BREAKPOINT
&& (context
->Eip
== (DWORD
)code_mem
+ 0xa))
311 return ExceptionContinueExecution
;
315 static const BYTE call_one_arg_code
[] = {
316 0x8b, 0x44, 0x24, 0x08, /* mov 0x8(%esp),%eax */
317 0x50, /* push %eax */
318 0x8b, 0x44, 0x24, 0x08, /* mov 0x8(%esp),%eax */
319 0xff, 0xd0, /* call *%eax */
328 static void run_rtlraiseexception_test(DWORD exceptioncode
)
330 EXCEPTION_REGISTRATION_RECORD frame
;
331 EXCEPTION_RECORD record
;
332 PVOID vectored_handler
= NULL
;
334 void (*func
)(void* function
, EXCEPTION_RECORD
* record
) = code_mem
;
336 record
.ExceptionCode
= exceptioncode
;
337 record
.ExceptionFlags
= 0;
338 record
.ExceptionRecord
= NULL
;
339 record
.ExceptionAddress
= NULL
; /* does not matter, copied return address */
340 record
.NumberParameters
= 0;
342 frame
.Handler
= rtlraiseexception_handler
;
343 frame
.Prev
= pNtCurrentTeb()->Tib
.ExceptionList
;
345 memcpy(code_mem
, call_one_arg_code
, sizeof(call_one_arg_code
));
347 pNtCurrentTeb()->Tib
.ExceptionList
= &frame
;
348 if (have_vectored_api
)
350 vectored_handler
= pRtlAddVectoredExceptionHandler(TRUE
, &rtlraiseexception_vectored_handler
);
351 ok(vectored_handler
!= 0, "RtlAddVectoredExceptionHandler failed\n");
354 func(pRtlRaiseException
, &record
);
355 ok( record
.ExceptionAddress
== (char *)code_mem
+ 0x0b,
356 "address set to %p instead of %p\n", record
.ExceptionAddress
, (char *)code_mem
+ 0x0b );
358 if (have_vectored_api
)
359 pRtlRemoveVectoredExceptionHandler(vectored_handler
);
360 pNtCurrentTeb()->Tib
.ExceptionList
= frame
.Prev
;
363 static void test_rtlraiseexception(void)
365 if (!pRtlRaiseException
)
367 skip("RtlRaiseException not found\n");
371 /* test without debugger */
372 run_rtlraiseexception_test(0x12345);
373 run_rtlraiseexception_test(EXCEPTION_BREAKPOINT
);
374 run_rtlraiseexception_test(EXCEPTION_INVALID_HANDLE
);
377 static DWORD
handler( EXCEPTION_RECORD
*rec
, EXCEPTION_REGISTRATION_RECORD
*frame
,
378 CONTEXT
*context
, EXCEPTION_REGISTRATION_RECORD
**dispatcher
)
380 const struct exception
*except
= *(const struct exception
**)(frame
+ 1);
381 unsigned int i
, entry
= except
- exceptions
;
384 trace( "exception %u: %x flags:%x addr:%p\n",
385 entry
, rec
->ExceptionCode
, rec
->ExceptionFlags
, rec
->ExceptionAddress
);
387 ok( rec
->ExceptionCode
== except
->status
,
388 "%u: Wrong exception code %x/%x\n", entry
, rec
->ExceptionCode
, except
->status
);
389 ok( rec
->ExceptionAddress
== (char*)code_mem
+ except
->offset
,
390 "%u: Wrong exception address %p/%p\n", entry
,
391 rec
->ExceptionAddress
, (char*)code_mem
+ except
->offset
);
393 ok( rec
->NumberParameters
== except
->nb_params
,
394 "%u: Wrong number of parameters %u/%u\n", entry
, rec
->NumberParameters
, except
->nb_params
);
396 /* Most CPUs (except Intel Core apparently) report a segment limit violation */
397 /* instead of page faults for accesses beyond 0xffffffff */
398 if (except
->nb_params
== 2 && except
->params
[1] >= 0xfffffffd)
400 if (rec
->ExceptionInformation
[0] == 0 && rec
->ExceptionInformation
[1] == 0xffffffff)
404 /* Seems that both 0xbee8 and 0xfffffffff can be returned in windows */
405 if (except
->nb_params
== 2 && rec
->NumberParameters
== 2
406 && except
->params
[1] == 0xbee8 && rec
->ExceptionInformation
[1] == 0xffffffff
407 && except
->params
[0] == rec
->ExceptionInformation
[0])
412 for (i
= 0; i
< rec
->NumberParameters
; i
++)
413 ok( rec
->ExceptionInformation
[i
] == except
->params
[i
],
414 "%u: Wrong parameter %d: %lx/%x\n",
415 entry
, i
, rec
->ExceptionInformation
[i
], except
->params
[i
] );
418 /* don't handle exception if it's not the address we expected */
419 if (rec
->ExceptionAddress
!= (char*)code_mem
+ except
->offset
) return ExceptionContinueSearch
;
421 context
->Eip
+= except
->length
;
422 return ExceptionContinueExecution
;
425 static void test_prot_fault(void)
429 for (i
= 0; i
< sizeof(exceptions
)/sizeof(exceptions
[0]); i
++)
431 if (is_wow64
&& exceptions
[i
].wow64_broken
&& !strcmp( winetest_platform
, "windows" ))
433 skip( "Exception %u broken on Wow64\n", i
);
437 run_exception_test(handler
, &exceptions
[i
], &exceptions
[i
].code
,
438 sizeof(exceptions
[i
].code
), 0);
439 if (!i
&& !got_exception
)
441 trace( "No exception, assuming win9x, no point in testing further\n" );
444 ok( got_exception
== (exceptions
[i
].status
!= 0),
445 "%u: bad exception count %d\n", i
, got_exception
);
449 /* test handling of debug registers */
450 static DWORD
dreg_handler( EXCEPTION_RECORD
*rec
, EXCEPTION_REGISTRATION_RECORD
*frame
,
451 CONTEXT
*context
, EXCEPTION_REGISTRATION_RECORD
**dispatcher
)
453 context
->Eip
+= 2; /* Skips the popl (%eax) */
454 context
->Dr0
= 0x42424242;
459 context
->Dr7
= 0x155;
460 return ExceptionContinueExecution
;
463 static const BYTE segfault_code
[5] = {
464 0x31, 0xc0, /* xor %eax,%eax */
465 0x8f, 0x00, /* popl (%eax) - cause exception */
469 /* test the single step exception behaviour */
470 static DWORD
single_step_handler( EXCEPTION_RECORD
*rec
, EXCEPTION_REGISTRATION_RECORD
*frame
,
471 CONTEXT
*context
, EXCEPTION_REGISTRATION_RECORD
**dispatcher
)
474 ok (!(context
->EFlags
& 0x100), "eflags has single stepping bit set\n");
476 if( got_exception
< 3)
477 context
->EFlags
|= 0x100; /* single step until popf instruction */
479 /* show that the last single step exception on the popf instruction
480 * (which removed the TF bit), still is a EXCEPTION_SINGLE_STEP exception */
481 ok( rec
->ExceptionCode
== EXCEPTION_SINGLE_STEP
,
482 "exception is not EXCEPTION_SINGLE_STEP: %x\n", rec
->ExceptionCode
);
485 return ExceptionContinueExecution
;
488 static const BYTE single_stepcode
[] = {
491 0x0d,0,1,0,0, /* or $0x100,%eax */
492 0x50, /* push %eax */
494 0x35,0,1,0,0, /* xor $0x100,%eax */
495 0x50, /* push %eax */
500 /* Test the alignment check (AC) flag handling. */
501 static const BYTE align_check_code
[] = {
502 0x55, /* push %ebp */
503 0x89,0xe5, /* mov %esp,%ebp */
506 0x0d,0,0,4,0, /* or $0x40000,%eax */
507 0x50, /* push %eax */
509 0x89,0xe0, /* mov %esp, %eax */
510 0x8b,0x40,0x1, /* mov 0x1(%eax), %eax - cause exception */
513 0x35,0,0,4,0, /* xor $0x40000,%eax */
514 0x50, /* push %eax */
520 static DWORD
align_check_handler( EXCEPTION_RECORD
*rec
, EXCEPTION_REGISTRATION_RECORD
*frame
,
521 CONTEXT
*context
, EXCEPTION_REGISTRATION_RECORD
**dispatcher
)
523 ok (!(context
->EFlags
& 0x40000), "eflags has AC bit set\n");
525 return ExceptionContinueExecution
;
528 /* Test the direction flag handling. */
529 static const BYTE direction_flag_code
[] = {
530 0x55, /* push %ebp */
531 0x89,0xe5, /* mov %esp,%ebp */
533 0xfa, /* cli - cause exception */
538 static DWORD
direction_flag_handler( EXCEPTION_RECORD
*rec
, EXCEPTION_REGISTRATION_RECORD
*frame
,
539 CONTEXT
*context
, EXCEPTION_REGISTRATION_RECORD
**dispatcher
)
543 __asm__("pushfl; popl %0; cld" : "=r" (flags
) );
544 /* older windows versions don't clear DF properly so don't test */
545 if (flags
& 0x400) trace( "eflags has DF bit set\n" );
547 ok( context
->EFlags
& 0x400, "context eflags has DF bit cleared\n" );
549 context
->Eip
++; /* skip cli */
550 context
->EFlags
&= ~0x400; /* make sure it is cleared on return */
551 return ExceptionContinueExecution
;
554 /* test single stepping over hardware breakpoint */
555 static DWORD
bpx_handler( EXCEPTION_RECORD
*rec
, EXCEPTION_REGISTRATION_RECORD
*frame
,
556 CONTEXT
*context
, EXCEPTION_REGISTRATION_RECORD
**dispatcher
)
559 ok( rec
->ExceptionCode
== EXCEPTION_SINGLE_STEP
,
560 "wrong exception code: %x\n", rec
->ExceptionCode
);
562 if(got_exception
== 1) {
563 /* hw bp exception on first nop */
564 ok( context
->Eip
== (DWORD
)code_mem
, "eip is wrong: %x instead of %x\n",
565 context
->Eip
, (DWORD
)code_mem
);
566 ok( (context
->Dr6
& 0xf) == 1, "B0 flag is not set in Dr6\n");
567 ok( !(context
->Dr6
& 0x4000), "BS flag is set in Dr6\n");
568 context
->Dr0
= context
->Dr0
+ 1; /* set hw bp again on next instruction */
569 context
->EFlags
|= 0x100; /* enable single stepping */
570 } else if( got_exception
== 2) {
571 /* single step exception on second nop */
572 ok( context
->Eip
== (DWORD
)code_mem
+ 1, "eip is wrong: %x instead of %x\n",
573 context
->Eip
, (DWORD
)code_mem
+ 1);
574 ok( (context
->Dr6
& 0x4000), "BS flag is not set in Dr6\n");
575 /* depending on the win version the B0 bit is already set here as well
576 ok( (context->Dr6 & 0xf) == 0, "B0...3 flags in Dr6 shouldn't be set\n"); */
577 context
->EFlags
|= 0x100;
578 } else if( got_exception
== 3) {
579 /* hw bp exception on second nop */
580 ok( context
->Eip
== (DWORD
)code_mem
+ 1, "eip is wrong: %x instead of %x\n",
581 context
->Eip
, (DWORD
)code_mem
+ 1);
582 ok( (context
->Dr6
& 0xf) == 1, "B0 flag is not set in Dr6\n");
583 ok( !(context
->Dr6
& 0x4000), "BS flag is set in Dr6\n");
584 context
->Dr0
= 0; /* clear breakpoint */
585 context
->EFlags
|= 0x100;
587 /* single step exception on ret */
588 ok( context
->Eip
== (DWORD
)code_mem
+ 2, "eip is wrong: %x instead of %x\n",
589 context
->Eip
, (DWORD
)code_mem
+ 2);
590 ok( (context
->Dr6
& 0xf) == 0, "B0...3 flags in Dr6 shouldn't be set\n");
591 ok( (context
->Dr6
& 0x4000), "BS flag is not set in Dr6\n");
594 context
->Dr6
= 0; /* clear status register */
595 return ExceptionContinueExecution
;
598 static const BYTE dummy_code
[] = { 0x90, 0x90, 0xc3 }; /* nop, nop, ret */
600 /* test int3 handling */
601 static DWORD
int3_handler( EXCEPTION_RECORD
*rec
, EXCEPTION_REGISTRATION_RECORD
*frame
,
602 CONTEXT
*context
, EXCEPTION_REGISTRATION_RECORD
**dispatcher
)
604 ok( rec
->ExceptionAddress
== code_mem
, "exception address not at: %p, but at %p\n",
605 code_mem
, rec
->ExceptionAddress
);
606 ok( context
->Eip
== (DWORD
)code_mem
, "eip not at: %p, but at %#x\n", code_mem
, context
->Eip
);
607 if(context
->Eip
== (DWORD
)code_mem
) context
->Eip
++; /* skip breakpoint */
609 return ExceptionContinueExecution
;
612 static const BYTE int3_code
[] = { 0xCC, 0xc3 }; /* int 3, ret */
615 static void test_exceptions(void)
620 if (!pNtGetContextThread
|| !pNtSetContextThread
)
622 skip( "NtGetContextThread/NtSetContextThread not found\n" );
626 /* test handling of debug registers */
627 run_exception_test(dreg_handler
, NULL
, &segfault_code
, sizeof(segfault_code
), 0);
629 ctx
.ContextFlags
= CONTEXT_DEBUG_REGISTERS
;
630 res
= pNtGetContextThread(GetCurrentThread(), &ctx
);
631 ok (res
== STATUS_SUCCESS
,"NtGetContextThread failed with %x\n", res
);
632 ok(ctx
.Dr0
== 0x42424242,"failed to set debugregister 0 to 0x42424242, got %x\n", ctx
.Dr0
);
633 ok((ctx
.Dr7
& ~0xdc00) == 0x155,"failed to set debugregister 7 to 0x155, got %x\n", ctx
.Dr7
);
635 /* test single stepping behavior */
637 run_exception_test(single_step_handler
, NULL
, &single_stepcode
, sizeof(single_stepcode
), 0);
638 ok(got_exception
== 3, "expected 3 single step exceptions, got %d\n", got_exception
);
640 /* test alignment exceptions */
642 run_exception_test(align_check_handler
, NULL
, align_check_code
, sizeof(align_check_code
), 0);
643 ok(got_exception
== 0, "got %d alignment faults, expected 0\n", got_exception
);
645 /* test direction flag */
647 run_exception_test(direction_flag_handler
, NULL
, direction_flag_code
, sizeof(direction_flag_code
), 0);
648 ok(got_exception
== 1, "got %d exceptions, expected 1\n", got_exception
);
650 /* test single stepping over hardware breakpoint */
651 memset(&ctx
, 0, sizeof(ctx
));
652 ctx
.Dr0
= (DWORD
) code_mem
; /* set hw bp on first nop */
654 ctx
.ContextFlags
= CONTEXT_DEBUG_REGISTERS
;
655 res
= pNtSetContextThread( GetCurrentThread(), &ctx
);
656 ok( res
== STATUS_SUCCESS
, "NtSetContextThread faild with %x\n", res
);
659 run_exception_test(bpx_handler
, NULL
, dummy_code
, sizeof(dummy_code
), 0);
660 ok( got_exception
== 4,"expected 4 exceptions, got %d\n", got_exception
);
662 /* test int3 handling */
663 run_exception_test(int3_handler
, NULL
, int3_code
, sizeof(int3_code
), 0);
666 static void test_debugger(void)
668 char cmdline
[MAX_PATH
];
669 PROCESS_INFORMATION pi
;
670 STARTUPINFO si
= { 0 };
672 DWORD continuestatus
;
673 PVOID code_mem_address
= NULL
;
680 if(!pNtGetContextThread
|| !pNtSetContextThread
|| !pNtReadVirtualMemory
|| !pNtTerminateProcess
)
682 skip("NtGetContextThread, NtSetContextThread, NtReadVirtualMemory or NtTerminateProcess not found\n");
686 sprintf(cmdline
, "%s %s %s %p", my_argv
[0], my_argv
[1], "debuggee", &test_stage
);
687 ret
= CreateProcess(NULL
, cmdline
, NULL
, NULL
, FALSE
, DEBUG_PROCESS
, NULL
, NULL
, &si
, &pi
);
688 ok(ret
, "could not create child process error: %u\n", GetLastError());
694 continuestatus
= DBG_CONTINUE
;
695 ok(WaitForDebugEvent(&de
, INFINITE
), "reading debug event\n");
697 if (de
.dwThreadId
!= pi
.dwThreadId
)
699 trace("event %d not coming from main thread, ignoring\n", de
.dwDebugEventCode
);
700 ContinueDebugEvent(de
.dwProcessId
, de
.dwThreadId
, DBG_CONTINUE
);
704 if (de
.dwDebugEventCode
== CREATE_PROCESS_DEBUG_EVENT
)
706 if(de
.u
.CreateProcessInfo
.lpBaseOfImage
!= pNtCurrentTeb()->Peb
->ImageBaseAddress
)
708 skip("child process loaded at different address, terminating it\n");
709 pNtTerminateProcess(pi
.hProcess
, 0);
712 else if (de
.dwDebugEventCode
== EXCEPTION_DEBUG_EVENT
)
718 status
= pNtReadVirtualMemory(pi
.hProcess
, &code_mem
, &code_mem_address
,
719 sizeof(code_mem_address
), &size_read
);
720 ok(!status
,"NtReadVirtualMemory failed with 0x%x\n", status
);
721 status
= pNtReadVirtualMemory(pi
.hProcess
, &test_stage
, &stage
,
722 sizeof(stage
), &size_read
);
723 ok(!status
,"NtReadVirtualMemory failed with 0x%x\n", status
);
725 ctx
.ContextFlags
= CONTEXT_FULL
;
726 status
= pNtGetContextThread(pi
.hThread
, &ctx
);
727 ok(!status
, "NtGetContextThread failed with 0x%x\n", status
);
729 trace("exception 0x%x at %p firstchance=%d Eip=0x%x, Eax=0x%x\n",
730 de
.u
.Exception
.ExceptionRecord
.ExceptionCode
,
731 de
.u
.Exception
.ExceptionRecord
.ExceptionAddress
, de
.u
.Exception
.dwFirstChance
, ctx
.Eip
, ctx
.Eax
);
735 ok(FALSE
, "got way too many exceptions, probaby caught in a infinite loop, terminating child\n");
736 pNtTerminateProcess(pi
.hProcess
, 1);
738 else if (counter
>= 2) /* skip startup breakpoint */
742 ok((char *)ctx
.Eip
== (char *)code_mem_address
+ 0xb, "Eip at %x instead of %p\n",
743 ctx
.Eip
, (char *)code_mem_address
+ 0xb);
744 /* setting the context from debugger does not affect the context, the exception handlers gets */
745 /* uncomment once wine is fixed */
746 /* ctx.Eip = 0x12345; */
747 ctx
.Eax
= 0xf00f00f1;
749 /* let the debuggee handle the exception */
750 continuestatus
= DBG_EXCEPTION_NOT_HANDLED
;
754 if (de
.u
.Exception
.dwFirstChance
)
756 /* debugger gets first chance exception with unmodified ctx.Eip */
757 ok((char *)ctx
.Eip
== (char *)code_mem_address
+ 0xb, "Eip at 0x%x instead of %p\n",
758 ctx
.Eip
, (char *)code_mem_address
+ 0xb);
760 /* setting the context from debugger does not affect the context, the exception handlers gets */
761 /* uncomment once wine is fixed */
762 /* ctx.Eip = 0x12345; */
763 ctx
.Eax
= 0xf00f00f1;
765 /* pass exception to debuggee
766 * exception will not be handled and
767 * a second chance exception will be raised */
768 continuestatus
= DBG_EXCEPTION_NOT_HANDLED
;
772 /* debugger gets context after exception handler has played with it */
773 /* ctx.Eip is the same value the exception handler got */
774 if (de
.u
.Exception
.ExceptionRecord
.ExceptionCode
== EXCEPTION_BREAKPOINT
)
776 ok((char *)ctx
.Eip
== (char *)code_mem_address
+ 0xa, "Eip at 0x%x instead of %p\n",
777 ctx
.Eip
, (char *)code_mem_address
+ 0xa);
778 /* need to fixup Eip for debuggee */
779 if ((char *)ctx
.Eip
== (char *)code_mem_address
+ 0xa)
783 ok((char *)ctx
.Eip
== (char *)code_mem_address
+ 0xb, "Eip at 0x%x instead of %p\n",
784 ctx
.Eip
, (char *)code_mem_address
+ 0xb);
785 /* here we handle exception */
789 ok(FALSE
, "unexpected stage %x\n", stage
);
791 status
= pNtSetContextThread(pi
.hThread
, &ctx
);
792 ok(!status
, "NtSetContextThread failed with 0x%x\n", status
);
796 ContinueDebugEvent(de
.dwProcessId
, de
.dwThreadId
, continuestatus
);
798 } while (de
.dwDebugEventCode
!= EXIT_PROCESS_DEBUG_EVENT
);
800 winetest_wait_child_process( pi
.hProcess
);
801 ok(CloseHandle(pi
.hThread
) != 0, "error %u\n", GetLastError());
802 ok(CloseHandle(pi
.hProcess
) != 0, "error %u\n", GetLastError());
807 static DWORD
simd_fault_handler( EXCEPTION_RECORD
*rec
, EXCEPTION_REGISTRATION_RECORD
*frame
,
808 CONTEXT
*context
, EXCEPTION_REGISTRATION_RECORD
**dispatcher
)
810 int *stage
= *(int **)(frame
+ 1);
815 /* fault while executing sse instruction */
816 context
->Eip
+= 3; /* skip addps */
817 return ExceptionContinueExecution
;
820 /* stage 2 - divide by zero fault */
821 if( rec
->ExceptionCode
== EXCEPTION_ILLEGAL_INSTRUCTION
)
822 skip("system doesn't support SIMD exceptions\n");
824 ok( rec
->ExceptionCode
== STATUS_FLOAT_MULTIPLE_TRAPS
,
825 "exception code: %#x, should be %#x\n",
826 rec
->ExceptionCode
, STATUS_FLOAT_MULTIPLE_TRAPS
);
827 ok( rec
->NumberParameters
== 1, "# of params: %i, should be 1\n",
828 rec
->NumberParameters
);
829 if( rec
->NumberParameters
== 1 )
830 ok( rec
->ExceptionInformation
[0] == 0, "param #1: %lx, should be 0\n", rec
->ExceptionInformation
[0]);
833 context
->Eip
+= 3; /* skip divps */
835 return ExceptionContinueExecution
;
838 static const BYTE simd_exception_test
[] = {
839 0x83, 0xec, 0x4, /* sub $0x4, %esp */
840 0x0f, 0xae, 0x1c, 0x24, /* stmxcsr (%esp) */
841 0x66, 0x81, 0x24, 0x24, 0xff, 0xfd, /* andw $0xfdff,(%esp) * enable divide by */
842 0x0f, 0xae, 0x14, 0x24, /* ldmxcsr (%esp) * zero exceptions */
843 0x6a, 0x01, /* push $0x1 */
844 0x6a, 0x01, /* push $0x1 */
845 0x6a, 0x01, /* push $0x1 */
846 0x6a, 0x01, /* push $0x1 */
847 0x0f, 0x10, 0x0c, 0x24, /* movups (%esp),%xmm1 * fill dividend */
848 0x0f, 0x57, 0xc0, /* xorps %xmm0,%xmm0 * clear divisor */
849 0x0f, 0x5e, 0xc8, /* divps %xmm0,%xmm1 * generate fault */
850 0x83, 0xc4, 0x10, /* add $0x10,%esp */
851 0x66, 0x81, 0x0c, 0x24, 0x00, 0x02, /* orw $0x200,(%esp) * disable exceptions */
852 0x0f, 0xae, 0x14, 0x24, /* ldmxcsr (%esp) */
853 0x83, 0xc4, 0x04, /* add $0x4,%esp */
857 static const BYTE sse_check
[] = {
858 0x0f, 0x58, 0xc8, /* addps %xmm0,%xmm1 */
862 static void test_simd_exceptions(void)
866 /* test if CPU & OS can do sse */
869 run_exception_test(simd_fault_handler
, &stage
, sse_check
, sizeof(sse_check
), 0);
871 skip("system doesn't support SSE\n");
875 /* generate a SIMD exception */
878 run_exception_test(simd_fault_handler
, &stage
, simd_exception_test
,
879 sizeof(simd_exception_test
), 0);
880 ok( got_exception
== 1, "got exception: %i, should be 1\n", got_exception
);
883 struct fpu_exception_info
885 DWORD exception_code
;
886 DWORD exception_offset
;
890 static DWORD
fpu_exception_handler(EXCEPTION_RECORD
*rec
, EXCEPTION_REGISTRATION_RECORD
*frame
,
891 CONTEXT
*context
, EXCEPTION_REGISTRATION_RECORD
**dispatcher
)
893 struct fpu_exception_info
*info
= *(struct fpu_exception_info
**)(frame
+ 1);
895 info
->exception_code
= rec
->ExceptionCode
;
896 info
->exception_offset
= (BYTE
*)rec
->ExceptionAddress
- (BYTE
*)code_mem
;
897 info
->eip_offset
= context
->Eip
- (DWORD
)code_mem
;
900 return ExceptionContinueExecution
;
903 static void test_fpu_exceptions(void)
905 static const BYTE fpu_exception_test_ie
[] =
907 0x83, 0xec, 0x04, /* sub $0x4,%esp */
908 0x66, 0xc7, 0x04, 0x24, 0xfe, 0x03, /* movw $0x3fe,(%esp) */
909 0x9b, 0xd9, 0x7c, 0x24, 0x02, /* fstcw 0x2(%esp) */
910 0xd9, 0x2c, 0x24, /* fldcw (%esp) */
911 0xd9, 0xee, /* fldz */
912 0xd9, 0xe8, /* fld1 */
913 0xde, 0xf1, /* fdivp */
914 0xdd, 0xd8, /* fstp %st(0) */
915 0xdd, 0xd8, /* fstp %st(0) */
917 0xdb, 0xe2, /* fnclex */
918 0xd9, 0x6c, 0x24, 0x02, /* fldcw 0x2(%esp) */
919 0x83, 0xc4, 0x04, /* add $0x4,%esp */
923 static const BYTE fpu_exception_test_de
[] =
925 0x83, 0xec, 0x04, /* sub $0x4,%esp */
926 0x66, 0xc7, 0x04, 0x24, 0xfb, 0x03, /* movw $0x3fb,(%esp) */
927 0x9b, 0xd9, 0x7c, 0x24, 0x02, /* fstcw 0x2(%esp) */
928 0xd9, 0x2c, 0x24, /* fldcw (%esp) */
929 0xdd, 0xd8, /* fstp %st(0) */
930 0xd9, 0xee, /* fldz */
931 0xd9, 0xe8, /* fld1 */
932 0xde, 0xf1, /* fdivp */
934 0xdb, 0xe2, /* fnclex */
935 0xdd, 0xd8, /* fstp %st(0) */
936 0xdd, 0xd8, /* fstp %st(0) */
937 0xd9, 0x6c, 0x24, 0x02, /* fldcw 0x2(%esp) */
938 0x83, 0xc4, 0x04, /* add $0x4,%esp */
942 struct fpu_exception_info info
;
944 memset(&info
, 0, sizeof(info
));
945 run_exception_test(fpu_exception_handler
, &info
, fpu_exception_test_ie
, sizeof(fpu_exception_test_ie
), 0);
946 ok(info
.exception_code
== EXCEPTION_FLT_STACK_CHECK
,
947 "Got exception code %#x, expected EXCEPTION_FLT_STACK_CHECK\n", info
.exception_code
);
948 ok(info
.exception_offset
== 0x19 ||
949 broken( is_wow64
&& info
.exception_offset
== info
.eip_offset
),
950 "Got exception offset %#x, expected 0x19\n", info
.exception_offset
);
951 ok(info
.eip_offset
== 0x1b, "Got EIP offset %#x, expected 0x1b\n", info
.eip_offset
);
953 memset(&info
, 0, sizeof(info
));
954 run_exception_test(fpu_exception_handler
, &info
, fpu_exception_test_de
, sizeof(fpu_exception_test_de
), 0);
955 ok(info
.exception_code
== EXCEPTION_FLT_DIVIDE_BY_ZERO
,
956 "Got exception code %#x, expected EXCEPTION_FLT_DIVIDE_BY_ZERO\n", info
.exception_code
);
957 ok(info
.exception_offset
== 0x17 ||
958 broken( is_wow64
&& info
.exception_offset
== info
.eip_offset
),
959 "Got exception offset %#x, expected 0x17\n", info
.exception_offset
);
960 ok(info
.eip_offset
== 0x19, "Got EIP offset %#x, expected 0x19\n", info
.eip_offset
);
963 struct dpe_exception_info
{
964 BOOL exception_caught
;
965 DWORD exception_info
;
968 static DWORD
dpe_exception_handler(EXCEPTION_RECORD
*rec
, EXCEPTION_REGISTRATION_RECORD
*frame
,
969 CONTEXT
*context
, EXCEPTION_REGISTRATION_RECORD
**dispatcher
)
972 struct dpe_exception_info
*info
= *(struct dpe_exception_info
**)(frame
+ 1);
974 ok(rec
->ExceptionCode
== EXCEPTION_ACCESS_VIOLATION
,
975 "Exception code %08x\n", rec
->ExceptionCode
);
976 ok(rec
->NumberParameters
== 2,
977 "Parameter count: %d\n", rec
->NumberParameters
);
978 ok((LPVOID
)rec
->ExceptionInformation
[1] == code_mem
,
979 "Exception address: %p, expected %p\n",
980 (LPVOID
)rec
->ExceptionInformation
[1], code_mem
);
982 info
->exception_info
= rec
->ExceptionInformation
[0];
983 info
->exception_caught
= TRUE
;
985 VirtualProtect(code_mem
, 1, PAGE_EXECUTE_READWRITE
, &old_prot
);
986 return ExceptionContinueExecution
;
989 static void test_dpe_exceptions(void)
991 static char single_ret
[] = {0xC3};
992 struct dpe_exception_info info
;
995 BOOL is_permanent
= FALSE
, can_test_without
= TRUE
, can_test_with
= TRUE
;
999 /* Query DEP with len to small */
1000 stat
= pNtQueryInformationProcess(GetCurrentProcess(), ProcessExecuteFlags
, &val
, sizeof val
- 1, &len
);
1001 if(stat
== STATUS_INVALID_INFO_CLASS
)
1003 skip("This software platform does not support DEP\n");
1006 ok(stat
== STATUS_INFO_LENGTH_MISMATCH
, "buffer too small: %08x\n", stat
);
1009 stat
= pNtQueryInformationProcess(GetCurrentProcess(), ProcessExecuteFlags
, &val
, sizeof val
, &len
);
1010 ok(stat
== STATUS_SUCCESS
, "querying DEP: status %08x\n", stat
);
1011 if(stat
== STATUS_SUCCESS
)
1013 ok(len
== sizeof val
, "returned length: %d\n", len
);
1014 if(val
& MEM_EXECUTE_OPTION_PERMANENT
)
1016 skip("toggling DEP impossible - status locked\n");
1017 is_permanent
= TRUE
;
1018 if(val
& MEM_EXECUTE_OPTION_DISABLE
)
1019 can_test_without
= FALSE
;
1021 can_test_with
= FALSE
;
1028 val
= MEM_EXECUTE_OPTION_DISABLE
;
1029 stat
= pNtSetInformationProcess(GetCurrentProcess(), ProcessExecuteFlags
, &val
, sizeof val
);
1030 ok(stat
== STATUS_SUCCESS
, "enabling DEP: status %08x\n", stat
);
1035 /* Try access to locked page with DEP on*/
1036 info
.exception_caught
= FALSE
;
1037 run_exception_test(dpe_exception_handler
, &info
, single_ret
, sizeof(single_ret
), PAGE_NOACCESS
);
1038 ok(info
.exception_caught
== TRUE
, "Execution of disabled memory succeeded\n");
1039 ok(info
.exception_info
== EXCEPTION_READ_FAULT
||
1040 info
.exception_info
== EXCEPTION_EXECUTE_FAULT
,
1041 "Access violation type: %08x\n", (unsigned)info
.exception_info
);
1042 has_hw_support
= info
.exception_info
== EXCEPTION_EXECUTE_FAULT
;
1043 trace("DEP hardware support: %s\n", has_hw_support
?"Yes":"No");
1045 /* Try execution of data with DEP on*/
1046 info
.exception_caught
= FALSE
;
1047 run_exception_test(dpe_exception_handler
, &info
, single_ret
, sizeof(single_ret
), PAGE_READWRITE
);
1050 ok(info
.exception_caught
== TRUE
, "Execution of data memory succeeded\n");
1051 ok(info
.exception_info
== EXCEPTION_EXECUTE_FAULT
,
1052 "Access violation type: %08x\n", (unsigned)info
.exception_info
);
1055 ok(info
.exception_caught
== FALSE
, "Execution trapped without hardware support\n");
1058 skip("DEP is in AlwaysOff state\n");
1063 val
= MEM_EXECUTE_OPTION_ENABLE
;
1064 stat
= pNtSetInformationProcess(GetCurrentProcess(), ProcessExecuteFlags
, &val
, sizeof val
);
1065 ok(stat
== STATUS_SUCCESS
, "disabling DEP: status %08x\n", stat
);
1068 /* page is read without exec here */
1069 if(can_test_without
)
1071 /* Try execution of data with DEP off */
1072 info
.exception_caught
= FALSE
;
1073 run_exception_test(dpe_exception_handler
, &info
, single_ret
, sizeof(single_ret
), PAGE_READWRITE
);
1074 ok(info
.exception_caught
== FALSE
, "Execution trapped with DEP turned off\n");
1076 /* Try access to locked page with DEP off - error code is different than
1077 with hardware DEP on */
1078 info
.exception_caught
= FALSE
;
1079 run_exception_test(dpe_exception_handler
, &info
, single_ret
, sizeof(single_ret
), PAGE_NOACCESS
);
1080 ok(info
.exception_caught
== TRUE
, "Execution of disabled memory succeeded\n");
1081 ok(info
.exception_info
== EXCEPTION_READ_FAULT
,
1082 "Access violation type: %08x\n", (unsigned)info
.exception_info
);
1085 skip("DEP is in AlwaysOn state\n");
1089 /* Turn off DEP permanently */
1090 val
= MEM_EXECUTE_OPTION_ENABLE
| MEM_EXECUTE_OPTION_PERMANENT
;
1091 stat
= pNtSetInformationProcess(GetCurrentProcess(), ProcessExecuteFlags
, &val
, sizeof val
);
1092 ok(stat
== STATUS_SUCCESS
, "disabling DEP permanently: status %08x\n", stat
);
1095 /* Try to turn off DEP */
1096 val
= MEM_EXECUTE_OPTION_ENABLE
;
1097 stat
= pNtSetInformationProcess(GetCurrentProcess(), ProcessExecuteFlags
, &val
, sizeof val
);
1098 ok(stat
== STATUS_ACCESS_DENIED
, "disabling DEP while permanent: status %08x\n", stat
);
1100 /* Try to turn on DEP */
1101 val
= MEM_EXECUTE_OPTION_DISABLE
;
1102 stat
= pNtSetInformationProcess(GetCurrentProcess(), ProcessExecuteFlags
, &val
, sizeof val
);
1103 ok(stat
== STATUS_ACCESS_DENIED
, "enabling DEP while permanent: status %08x\n", stat
);
1106 #elif defined(__x86_64__)
1108 #define UNW_FLAG_NHANDLER 0
1109 #define UNW_FLAG_EHANDLER 1
1110 #define UNW_FLAG_UHANDLER 2
1111 #define UNW_FLAG_CHAININFO 4
1113 #define UWOP_PUSH_NONVOL 0
1114 #define UWOP_ALLOC_LARGE 1
1115 #define UWOP_ALLOC_SMALL 2
1116 #define UWOP_SET_FPREG 3
1117 #define UWOP_SAVE_NONVOL 4
1118 #define UWOP_SAVE_NONVOL_FAR 5
1119 #define UWOP_SAVE_XMM128 8
1120 #define UWOP_SAVE_XMM128_FAR 9
1121 #define UWOP_PUSH_MACHFRAME 10
1125 int rip_offset
; /* rip offset from code start */
1126 int rbp_offset
; /* rbp offset from stack pointer */
1127 int handler
; /* expect handler to be set? */
1128 int rip
; /* expected final rip value */
1129 int frame
; /* expected frame return value */
1130 int regs
[8][2]; /* expected values for registers */
1135 const BYTE
*function
;
1136 size_t function_size
;
1137 const BYTE
*unwind_info
;
1138 const struct results
*results
;
1139 unsigned int nb_results
;
1144 rax
, rcx
, rdx
, rbx
, rsp
, rbp
, rsi
, rdi
,
1145 r8
, r9
, r10
, r11
, r12
, r13
, r14
, r15
1148 static const char * const reg_names
[16] =
1150 "rax", "rcx", "rdx", "rbx", "rsp", "rbp", "rsi", "rdi",
1151 "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15"
1154 #define UWOP(code,info) (UWOP_##code | ((info) << 4))
1156 static void call_virtual_unwind( int testnum
, const struct unwind_test
*test
)
1158 static const int code_offset
= 1024;
1159 static const int unwind_offset
= 2048;
1160 void *handler
, *data
;
1162 RUNTIME_FUNCTION runtime_func
;
1163 KNONVOLATILE_CONTEXT_POINTERS ctx_ptr
;
1165 ULONG64 fake_stack
[256];
1166 ULONG64 frame
, orig_rip
, orig_rbp
, unset_reg
;
1167 UINT unwind_size
= 4 + 2 * test
->unwind_info
[2] + 8;
1169 memcpy( (char *)code_mem
+ code_offset
, test
->function
, test
->function_size
);
1170 memcpy( (char *)code_mem
+ unwind_offset
, test
->unwind_info
, unwind_size
);
1172 runtime_func
.BeginAddress
= code_offset
;
1173 runtime_func
.EndAddress
= code_offset
+ test
->function_size
;
1174 runtime_func
.UnwindData
= unwind_offset
;
1176 trace( "code: %p stack: %p\n", code_mem
, fake_stack
);
1178 for (i
= 0; i
< test
->nb_results
; i
++)
1180 memset( &ctx_ptr
, 0, sizeof(ctx_ptr
) );
1181 memset( &context
, 0x55, sizeof(context
) );
1182 memset( &unset_reg
, 0x55, sizeof(unset_reg
) );
1183 for (j
= 0; j
< 256; j
++) fake_stack
[j
] = j
* 8;
1185 context
.Rsp
= (ULONG_PTR
)fake_stack
;
1186 context
.Rbp
= (ULONG_PTR
)fake_stack
+ test
->results
[i
].rbp_offset
;
1187 orig_rbp
= context
.Rbp
;
1188 orig_rip
= (ULONG64
)code_mem
+ code_offset
+ test
->results
[i
].rip_offset
;
1190 trace( "%u/%u: rip=%p (%02x) rbp=%p rsp=%p\n", testnum
, i
,
1191 (void *)orig_rip
, *(BYTE
*)orig_rip
, (void *)orig_rbp
, (void *)context
.Rsp
);
1193 data
= (void *)0xdeadbeef;
1194 handler
= RtlVirtualUnwind( UNW_FLAG_EHANDLER
, (ULONG64
)code_mem
, orig_rip
,
1195 &runtime_func
, &context
, &data
, &frame
, &ctx_ptr
);
1196 if (test
->results
[i
].handler
)
1198 ok( (char *)handler
== (char *)code_mem
+ 0x200,
1199 "%u/%u: wrong handler %p/%p\n", testnum
, i
, handler
, (char *)code_mem
+ 0x200 );
1200 if (handler
) ok( *(DWORD
*)data
== 0x08070605,
1201 "%u/%u: wrong handler data %p\n", testnum
, i
, data
);
1205 ok( handler
== NULL
, "%u/%u: handler %p instead of NULL\n", testnum
, i
, handler
);
1206 ok( data
== (void *)0xdeadbeef, "%u/%u: handler data set to %p\n", testnum
, i
, data
);
1209 ok( context
.Rip
== test
->results
[i
].rip
, "%u/%u: wrong rip %p/%x\n",
1210 testnum
, i
, (void *)context
.Rip
, test
->results
[i
].rip
);
1211 ok( frame
== (ULONG64
)fake_stack
+ test
->results
[i
].frame
, "%u/%u: wrong frame %p/%p\n",
1212 testnum
, i
, (void *)frame
, (char *)fake_stack
+ test
->results
[i
].frame
);
1214 for (j
= 0; j
< 16; j
++)
1216 static const UINT nb_regs
= sizeof(test
->results
[i
].regs
) / sizeof(test
->results
[i
].regs
[0]);
1218 for (k
= 0; k
< nb_regs
; k
++)
1220 if (test
->results
[i
].regs
[k
][0] == -1)
1225 if (test
->results
[i
].regs
[k
][0] == j
) break;
1228 if (j
== rsp
) /* rsp is special */
1230 ok( !ctx_ptr
.u2
.IntegerContext
[j
],
1231 "%u/%u: rsp should not be set in ctx_ptr\n", testnum
, i
);
1232 ok( context
.Rsp
== (ULONG64
)fake_stack
+ test
->results
[i
].regs
[k
][1],
1233 "%u/%u: register rsp wrong %p/%p\n",
1234 testnum
, i
, (void *)context
.Rsp
, (char *)fake_stack
+ test
->results
[i
].regs
[k
][1] );
1238 if (ctx_ptr
.u2
.IntegerContext
[j
])
1240 ok( k
< nb_regs
, "%u/%u: register %s should not be set to %lx\n",
1241 testnum
, i
, reg_names
[j
], *(&context
.Rax
+ j
) );
1243 ok( *(&context
.Rax
+ j
) == test
->results
[i
].regs
[k
][1],
1244 "%u/%u: register %s wrong %p/%x\n",
1245 testnum
, i
, reg_names
[j
], (void *)*(&context
.Rax
+ j
), test
->results
[i
].regs
[k
][1] );
1249 ok( k
== nb_regs
, "%u/%u: register %s should be set\n", testnum
, i
, reg_names
[j
] );
1251 ok( context
.Rbp
== orig_rbp
, "%u/%u: register rbp wrong %p/unset\n",
1252 testnum
, i
, (void *)context
.Rbp
);
1254 ok( *(&context
.Rax
+ j
) == unset_reg
,
1255 "%u/%u: register %s wrong %p/unset\n",
1256 testnum
, i
, reg_names
[j
], (void *)*(&context
.Rax
+ j
));
1262 static void test_virtual_unwind(void)
1264 static const BYTE function_0
[] =
1266 0xff, 0xf5, /* 00: push %rbp */
1267 0x48, 0x81, 0xec, 0x10, 0x01, 0x00, 0x00, /* 02: sub $0x110,%rsp */
1268 0x48, 0x8d, 0x6c, 0x24, 0x30, /* 09: lea 0x30(%rsp),%rbp */
1269 0x48, 0x89, 0x9d, 0xf0, 0x00, 0x00, 0x00, /* 0e: mov %rbx,0xf0(%rbp) */
1270 0x48, 0x89, 0xb5, 0xf8, 0x00, 0x00, 0x00, /* 15: mov %rsi,0xf8(%rbp) */
1272 0x48, 0x8b, 0x9d, 0xf0, 0x00, 0x00, 0x00, /* 1d: mov 0xf0(%rbp),%rbx */
1273 0x48, 0x8b, 0xb5, 0xf8, 0x00, 0x00, 0x00, /* 24: mov 0xf8(%rbp),%rsi */
1274 0x48, 0x8d, 0xa5, 0xe0, 0x00, 0x00, 0x00, /* 2b: lea 0xe0(%rbp),%rsp */
1275 0x5d, /* 32: pop %rbp */
1279 static const BYTE unwind_info_0
[] =
1281 1 | (UNW_FLAG_EHANDLER
<< 3), /* version + flags */
1282 0x1c, /* prolog size */
1283 8, /* opcode count */
1284 (0x03 << 4) | rbp
, /* frame reg rbp offset 0x30 */
1286 0x1c, UWOP(SAVE_NONVOL
, rsi
), 0x25, 0, /* 1c: mov %rsi,0x128(%rsp) */
1287 0x15, UWOP(SAVE_NONVOL
, rbx
), 0x24, 0, /* 15: mov %rbx,0x120(%rsp) */
1288 0x0e, UWOP(SET_FPREG
, rbp
), /* 0e: lea 0x30(%rsp),rbp */
1289 0x09, UWOP(ALLOC_LARGE
, 0), 0x22, 0, /* 09: sub $0x110,%rsp */
1290 0x02, UWOP(PUSH_NONVOL
, rbp
), /* 02: push %rbp */
1292 0x00, 0x02, 0x00, 0x00, /* handler */
1293 0x05, 0x06, 0x07, 0x08, /* data */
1296 static const struct results results_0
[] =
1298 /* offset rbp handler rip frame registers */
1299 { 0x00, 0x40, FALSE
, 0x000, 0x000, { {rsp
,0x008}, {-1,-1} }},
1300 { 0x02, 0x40, FALSE
, 0x008, 0x000, { {rsp
,0x010}, {rbp
,0x000}, {-1,-1} }},
1301 { 0x09, 0x40, FALSE
, 0x118, 0x000, { {rsp
,0x120}, {rbp
,0x110}, {-1,-1} }},
1302 { 0x0e, 0x40, FALSE
, 0x128, 0x010, { {rsp
,0x130}, {rbp
,0x120}, {-1,-1} }},
1303 { 0x15, 0x40, FALSE
, 0x128, 0x010, { {rsp
,0x130}, {rbp
,0x120}, {rbx
,0x130}, {-1,-1} }},
1304 { 0x1c, 0x40, TRUE
, 0x128, 0x010, { {rsp
,0x130}, {rbp
,0x120}, {rbx
,0x130}, {rsi
,0x138}, {-1,-1}}},
1305 { 0x1d, 0x40, TRUE
, 0x128, 0x010, { {rsp
,0x130}, {rbp
,0x120}, {rbx
,0x130}, {rsi
,0x138}, {-1,-1}}},
1306 { 0x24, 0x40, TRUE
, 0x128, 0x010, { {rsp
,0x130}, {rbp
,0x120}, {rbx
,0x130}, {rsi
,0x138}, {-1,-1}}},
1307 { 0x2b, 0x40, FALSE
, 0x128, 0x010, { {rsp
,0x130}, {rbp
,0x120}, {-1,-1}}},
1308 { 0x32, 0x40, FALSE
, 0x008, 0x010, { {rsp
,0x010}, {rbp
,0x000}, {-1,-1}}},
1309 { 0x33, 0x40, FALSE
, 0x000, 0x010, { {rsp
,0x008}, {-1,-1}}},
1313 static const BYTE function_1
[] =
1315 0x53, /* 00: push %rbx */
1316 0x55, /* 01: push %rbp */
1317 0x56, /* 02: push %rsi */
1318 0x57, /* 03: push %rdi */
1319 0x41, 0x54, /* 04: push %r12 */
1320 0x48, 0x83, 0xec, 0x30, /* 06: sub $0x30,%rsp */
1321 0x90, 0x90, /* 0a: nop; nop */
1322 0x48, 0x83, 0xc4, 0x30, /* 0c: add $0x30,%rsp */
1323 0x41, 0x5c, /* 10: pop %r12 */
1324 0x5f, /* 12: pop %rdi */
1325 0x5e, /* 13: pop %rsi */
1326 0x5d, /* 14: pop %rbp */
1327 0x5b, /* 15: pop %rbx */
1331 static const BYTE unwind_info_1
[] =
1333 1 | (UNW_FLAG_EHANDLER
<< 3), /* version + flags */
1334 0x0a, /* prolog size */
1335 6, /* opcode count */
1338 0x0a, UWOP(ALLOC_SMALL
, 5), /* 0a: sub $0x30,%rsp */
1339 0x06, UWOP(PUSH_NONVOL
, r12
), /* 06: push %r12 */
1340 0x04, UWOP(PUSH_NONVOL
, rdi
), /* 04: push %rdi */
1341 0x03, UWOP(PUSH_NONVOL
, rsi
), /* 03: push %rsi */
1342 0x02, UWOP(PUSH_NONVOL
, rbp
), /* 02: push %rbp */
1343 0x01, UWOP(PUSH_NONVOL
, rbx
), /* 01: push %rbx */
1345 0x00, 0x02, 0x00, 0x00, /* handler */
1346 0x05, 0x06, 0x07, 0x08, /* data */
1349 static const struct results results_1
[] =
1351 /* offset rbp handler rip frame registers */
1352 { 0x00, 0x50, FALSE
, 0x000, 0x000, { {rsp
,0x008}, {-1,-1} }},
1353 { 0x01, 0x50, FALSE
, 0x008, 0x000, { {rsp
,0x010}, {rbx
,0x000}, {-1,-1} }},
1354 { 0x02, 0x50, FALSE
, 0x010, 0x000, { {rsp
,0x018}, {rbx
,0x008}, {rbp
,0x000}, {-1,-1} }},
1355 { 0x03, 0x50, FALSE
, 0x018, 0x000, { {rsp
,0x020}, {rbx
,0x010}, {rbp
,0x008}, {rsi
,0x000}, {-1,-1} }},
1356 { 0x04, 0x50, FALSE
, 0x020, 0x000, { {rsp
,0x028}, {rbx
,0x018}, {rbp
,0x010}, {rsi
,0x008}, {rdi
,0x000}, {-1,-1} }},
1357 { 0x06, 0x50, FALSE
, 0x028, 0x000, { {rsp
,0x030}, {rbx
,0x020}, {rbp
,0x018}, {rsi
,0x010}, {rdi
,0x008}, {r12
,0x000}, {-1,-1} }},
1358 { 0x0a, 0x50, TRUE
, 0x058, 0x000, { {rsp
,0x060}, {rbx
,0x050}, {rbp
,0x048}, {rsi
,0x040}, {rdi
,0x038}, {r12
,0x030}, {-1,-1} }},
1359 { 0x0c, 0x50, FALSE
, 0x058, 0x000, { {rsp
,0x060}, {rbx
,0x050}, {rbp
,0x048}, {rsi
,0x040}, {rdi
,0x038}, {r12
,0x030}, {-1,-1} }},
1360 { 0x10, 0x50, FALSE
, 0x028, 0x000, { {rsp
,0x030}, {rbx
,0x020}, {rbp
,0x018}, {rsi
,0x010}, {rdi
,0x008}, {r12
,0x000}, {-1,-1} }},
1361 { 0x12, 0x50, FALSE
, 0x020, 0x000, { {rsp
,0x028}, {rbx
,0x018}, {rbp
,0x010}, {rsi
,0x008}, {rdi
,0x000}, {-1,-1} }},
1362 { 0x13, 0x50, FALSE
, 0x018, 0x000, { {rsp
,0x020}, {rbx
,0x010}, {rbp
,0x008}, {rsi
,0x000}, {-1,-1} }},
1363 { 0x14, 0x50, FALSE
, 0x010, 0x000, { {rsp
,0x018}, {rbx
,0x008}, {rbp
,0x000}, {-1,-1} }},
1364 { 0x15, 0x50, FALSE
, 0x008, 0x000, { {rsp
,0x010}, {rbx
,0x000}, {-1,-1} }},
1365 { 0x16, 0x50, FALSE
, 0x000, 0x000, { {rsp
,0x008}, {-1,-1} }},
1368 static const struct unwind_test tests
[] =
1370 { function_0
, sizeof(function_0
), unwind_info_0
,
1371 results_0
, sizeof(results_0
)/sizeof(results_0
[0]) },
1372 { function_1
, sizeof(function_1
), unwind_info_1
,
1373 results_1
, sizeof(results_1
)/sizeof(results_1
[0]) }
1377 for (i
= 0; i
< sizeof(tests
)/sizeof(tests
[0]); i
++)
1378 call_virtual_unwind( i
, &tests
[i
] );
1381 #endif /* __x86_64__ */
1383 START_TEST(exception
)
1385 HMODULE hntdll
= GetModuleHandleA("ntdll.dll");
1387 code_mem
= VirtualAlloc(NULL
, 65536, MEM_RESERVE
| MEM_COMMIT
, PAGE_EXECUTE_READWRITE
);
1389 trace("VirtualAlloc failed\n");
1393 pNtCurrentTeb
= (void *)GetProcAddress( hntdll
, "NtCurrentTeb" );
1394 pNtGetContextThread
= (void *)GetProcAddress( hntdll
, "NtGetContextThread" );
1395 pNtSetContextThread
= (void *)GetProcAddress( hntdll
, "NtSetContextThread" );
1396 pNtReadVirtualMemory
= (void *)GetProcAddress( hntdll
, "NtReadVirtualMemory" );
1397 pRtlRaiseException
= (void *)GetProcAddress( hntdll
, "RtlRaiseException" );
1398 pNtTerminateProcess
= (void *)GetProcAddress( hntdll
, "NtTerminateProcess" );
1399 pRtlAddVectoredExceptionHandler
= (void *)GetProcAddress( hntdll
,
1400 "RtlAddVectoredExceptionHandler" );
1401 pRtlRemoveVectoredExceptionHandler
= (void *)GetProcAddress( hntdll
,
1402 "RtlRemoveVectoredExceptionHandler" );
1403 pNtQueryInformationProcess
= (void*)GetProcAddress( hntdll
,
1404 "NtQueryInformationProcess" );
1405 pNtSetInformationProcess
= (void*)GetProcAddress( hntdll
,
1406 "NtSetInformationProcess" );
1407 pIsWow64Process
= (void *)GetProcAddress(GetModuleHandle("kernel32.dll"), "IsWow64Process");
1412 skip( "NtCurrentTeb not found\n" );
1415 if (!pIsWow64Process
|| !pIsWow64Process( GetCurrentProcess(), &is_wow64
)) is_wow64
= FALSE
;
1417 if (pRtlAddVectoredExceptionHandler
&& pRtlRemoveVectoredExceptionHandler
)
1418 have_vectored_api
= TRUE
;
1420 skip("RtlAddVectoredExceptionHandler or RtlRemoveVectoredExceptionHandler not found\n");
1422 my_argc
= winetest_get_mainargs( &my_argv
);
1426 sscanf( my_argv
[3], "%p", &addr
);
1428 if (addr
!= &test_stage
)
1430 skip( "child process not mapped at same address (%p/%p)\n", &test_stage
, addr
);
1434 /* child must be run under a debugger */
1435 if (!pNtCurrentTeb()->Peb
->BeingDebugged
)
1437 ok(FALSE
, "child process not being debugged?\n");
1441 if (pRtlRaiseException
)
1444 run_rtlraiseexception_test(0x12345);
1445 run_rtlraiseexception_test(EXCEPTION_BREAKPOINT
);
1446 run_rtlraiseexception_test(EXCEPTION_INVALID_HANDLE
);
1448 run_rtlraiseexception_test(0x12345);
1449 run_rtlraiseexception_test(EXCEPTION_BREAKPOINT
);
1450 run_rtlraiseexception_test(EXCEPTION_INVALID_HANDLE
);
1453 skip( "RtlRaiseException not found\n" );
1455 /* rest of tests only run in parent */
1461 test_rtlraiseexception();
1463 test_simd_exceptions();
1464 test_fpu_exceptions();
1465 test_dpe_exceptions();
1467 #elif defined(__x86_64__)
1469 test_virtual_unwind();
1473 VirtualFree(code_mem
, 0, MEM_FREE
);