[ADVAPI32_WINETEST] Revert service.c changes from 3c1b7834e1 to avoid testbot hangs...
[reactos.git] / modules / 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 "ntdll_test.h"
22
23 #include <wine/exception.h>
24
25 static void *code_mem;
26
27 static NTSTATUS (WINAPI *pNtGetContextThread)(HANDLE,CONTEXT*);
28 static NTSTATUS (WINAPI *pNtSetContextThread)(HANDLE,CONTEXT*);
29 static NTSTATUS (WINAPI *pRtlRaiseException)(EXCEPTION_RECORD *rec);
30 static PVOID (WINAPI *pRtlUnwind)(PVOID, PVOID, PEXCEPTION_RECORD, PVOID);
31 static VOID (WINAPI *pRtlCaptureContext)(CONTEXT*);
32 static PVOID (WINAPI *pRtlAddVectoredExceptionHandler)(ULONG first, PVECTORED_EXCEPTION_HANDLER func);
33 static ULONG (WINAPI *pRtlRemoveVectoredExceptionHandler)(PVOID handler);
34 static PVOID (WINAPI *pRtlAddVectoredContinueHandler)(ULONG first, PVECTORED_EXCEPTION_HANDLER func);
35 static ULONG (WINAPI *pRtlRemoveVectoredContinueHandler)(PVOID handler);
36 static NTSTATUS (WINAPI *pNtReadVirtualMemory)(HANDLE, const void*, void*, SIZE_T, SIZE_T*);
37 static NTSTATUS (WINAPI *pNtTerminateProcess)(HANDLE handle, LONG exit_code);
38 static NTSTATUS (WINAPI *pNtQueryInformationProcess)(HANDLE, PROCESSINFOCLASS, PVOID, ULONG, PULONG);
39 static NTSTATUS (WINAPI *pNtSetInformationProcess)(HANDLE, PROCESSINFOCLASS, PVOID, ULONG);
40 static BOOL (WINAPI *pIsWow64Process)(HANDLE, PBOOL);
41 static NTSTATUS (WINAPI *pNtClose)(HANDLE);
42
43 #if defined(__x86_64__)
44 typedef struct
45 {
46 ULONG Count;
47 struct
48 {
49 ULONG BeginAddress;
50 ULONG EndAddress;
51 ULONG HandlerAddress;
52 ULONG JumpTarget;
53 } ScopeRecord[1];
54 } SCOPE_TABLE;
55
56 typedef struct
57 {
58 ULONG64 ControlPc;
59 ULONG64 ImageBase;
60 PRUNTIME_FUNCTION FunctionEntry;
61 ULONG64 EstablisherFrame;
62 ULONG64 TargetIp;
63 PCONTEXT ContextRecord;
64 void* /*PEXCEPTION_ROUTINE*/ LanguageHandler;
65 PVOID HandlerData;
66 PUNWIND_HISTORY_TABLE HistoryTable;
67 ULONG ScopeIndex;
68 } DISPATCHER_CONTEXT;
69
70 typedef struct _SETJMP_FLOAT128
71 {
72 unsigned __int64 DECLSPEC_ALIGN(16) Part[2];
73 } SETJMP_FLOAT128;
74
75 typedef struct _JUMP_BUFFER
76 {
77 unsigned __int64 Frame;
78 unsigned __int64 Rbx;
79 unsigned __int64 Rsp;
80 unsigned __int64 Rbp;
81 unsigned __int64 Rsi;
82 unsigned __int64 Rdi;
83 unsigned __int64 R12;
84 unsigned __int64 R13;
85 unsigned __int64 R14;
86 unsigned __int64 R15;
87 unsigned __int64 Rip;
88 unsigned __int64 Spare;
89 SETJMP_FLOAT128 Xmm6;
90 SETJMP_FLOAT128 Xmm7;
91 SETJMP_FLOAT128 Xmm8;
92 SETJMP_FLOAT128 Xmm9;
93 SETJMP_FLOAT128 Xmm10;
94 SETJMP_FLOAT128 Xmm11;
95 SETJMP_FLOAT128 Xmm12;
96 SETJMP_FLOAT128 Xmm13;
97 SETJMP_FLOAT128 Xmm14;
98 SETJMP_FLOAT128 Xmm15;
99 } _JUMP_BUFFER;
100
101 static BOOLEAN (CDECL *pRtlAddFunctionTable)(RUNTIME_FUNCTION*, DWORD, DWORD64);
102 static BOOLEAN (CDECL *pRtlDeleteFunctionTable)(RUNTIME_FUNCTION*);
103 static BOOLEAN (CDECL *pRtlInstallFunctionTableCallback)(DWORD64, DWORD64, DWORD, PGET_RUNTIME_FUNCTION_CALLBACK, PVOID, PCWSTR);
104 static PRUNTIME_FUNCTION (WINAPI *pRtlLookupFunctionEntry)(ULONG64, ULONG64*, UNWIND_HISTORY_TABLE*);
105 static EXCEPTION_DISPOSITION (WINAPI *p__C_specific_handler)(EXCEPTION_RECORD*, ULONG64, CONTEXT*, DISPATCHER_CONTEXT*);
106 static VOID (WINAPI *pRtlCaptureContext)(CONTEXT*);
107 static VOID (CDECL *pRtlRestoreContext)(CONTEXT*, EXCEPTION_RECORD*);
108 static VOID (CDECL *pRtlUnwindEx)(VOID*, VOID*, EXCEPTION_RECORD*, VOID*, CONTEXT*, UNWIND_HISTORY_TABLE*);
109 static int (CDECL *p_setjmp)(_JUMP_BUFFER*);
110 #endif
111
112 #ifdef __i386__
113
114 #ifndef __WINE_WINTRNL_H
115 #define ProcessExecuteFlags 0x22
116 #define MEM_EXECUTE_OPTION_DISABLE 0x01
117 #define MEM_EXECUTE_OPTION_ENABLE 0x02
118 #define MEM_EXECUTE_OPTION_PERMANENT 0x08
119 #endif
120
121 static int my_argc;
122 static char** my_argv;
123 static int test_stage;
124
125 static BOOL is_wow64;
126
127 /* Test various instruction combinations that cause a protection fault on the i386,
128 * and check what the resulting exception looks like.
129 */
130
131 static const struct exception
132 {
133 BYTE code[18]; /* asm code */
134 BYTE offset; /* offset of faulting instruction */
135 BYTE length; /* length of faulting instruction */
136 BOOL wow64_broken; /* broken on Wow64, should be skipped */
137 NTSTATUS status; /* expected status code */
138 DWORD nb_params; /* expected number of parameters */
139 DWORD params[4]; /* expected parameters */
140 NTSTATUS alt_status; /* alternative status code */
141 DWORD alt_nb_params; /* alternative number of parameters */
142 DWORD alt_params[4]; /* alternative parameters */
143 } exceptions[] =
144 {
145 /* 0 */
146 /* test some privileged instructions */
147 { { 0xfb, 0xc3 }, /* 0: sti; ret */
148 0, 1, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
149 { { 0x6c, 0xc3 }, /* 1: insb (%dx); ret */
150 0, 1, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
151 { { 0x6d, 0xc3 }, /* 2: insl (%dx); ret */
152 0, 1, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
153 { { 0x6e, 0xc3 }, /* 3: outsb (%dx); ret */
154 0, 1, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
155 { { 0x6f, 0xc3 }, /* 4: outsl (%dx); ret */
156 0, 1, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
157 /* 5 */
158 { { 0xe4, 0x11, 0xc3 }, /* 5: inb $0x11,%al; ret */
159 0, 2, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
160 { { 0xe5, 0x11, 0xc3 }, /* 6: inl $0x11,%eax; ret */
161 0, 2, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
162 { { 0xe6, 0x11, 0xc3 }, /* 7: outb %al,$0x11; ret */
163 0, 2, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
164 { { 0xe7, 0x11, 0xc3 }, /* 8: outl %eax,$0x11; ret */
165 0, 2, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
166 { { 0xed, 0xc3 }, /* 9: inl (%dx),%eax; ret */
167 0, 1, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
168 /* 10 */
169 { { 0xee, 0xc3 }, /* 10: outb %al,(%dx); ret */
170 0, 1, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
171 { { 0xef, 0xc3 }, /* 11: outl %eax,(%dx); ret */
172 0, 1, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
173 { { 0xf4, 0xc3 }, /* 12: hlt; ret */
174 0, 1, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
175 { { 0xfa, 0xc3 }, /* 13: cli; ret */
176 0, 1, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
177
178 /* test long jump to invalid selector */
179 { { 0xea, 0, 0, 0, 0, 0, 0, 0xc3 }, /* 14: ljmp $0,$0; ret */
180 0, 7, FALSE, STATUS_ACCESS_VIOLATION, 2, { 0, 0xffffffff } },
181
182 /* 15 */
183 /* test iret to invalid selector */
184 { { 0x6a, 0x00, 0x6a, 0x00, 0x6a, 0x00, 0xcf, 0x83, 0xc4, 0x0c, 0xc3 },
185 /* 15: pushl $0; pushl $0; pushl $0; iret; addl $12,%esp; ret */
186 6, 1, FALSE, STATUS_ACCESS_VIOLATION, 2, { 0, 0xffffffff } },
187
188 /* test loading an invalid selector */
189 { { 0xb8, 0xef, 0xbe, 0x00, 0x00, 0x8e, 0xe8, 0xc3 }, /* 16: mov $beef,%ax; mov %ax,%gs; ret */
190 5, 2, FALSE, STATUS_ACCESS_VIOLATION, 2, { 0, 0xbee8 } }, /* 0xbee8 or 0xffffffff */
191
192 /* test accessing a zero selector (%es broken on Wow64) */
193 { { 0x06, 0x31, 0xc0, 0x8e, 0xc0, 0x26, 0xa1, 0, 0, 0, 0, 0x07, 0xc3 },
194 /* push %es; xor %eax,%eax; mov %ax,%es; mov %es:(0),%ax; pop %es; ret */
195 5, 6, TRUE, STATUS_ACCESS_VIOLATION, 2, { 0, 0xffffffff } },
196 { { 0x0f, 0xa8, 0x31, 0xc0, 0x8e, 0xe8, 0x65, 0xa1, 0, 0, 0, 0, 0x0f, 0xa9, 0xc3 },
197 /* push %gs; xor %eax,%eax; mov %ax,%gs; mov %gs:(0),%ax; pop %gs; ret */
198 6, 6, FALSE, STATUS_ACCESS_VIOLATION, 2, { 0, 0xffffffff } },
199
200 /* test moving %cs -> %ss */
201 { { 0x0e, 0x17, 0x58, 0xc3 }, /* pushl %cs; popl %ss; popl %eax; ret */
202 1, 1, FALSE, STATUS_ACCESS_VIOLATION, 2, { 0, 0xffffffff } },
203
204 /* 20 */
205 /* test overlong instruction (limit is 15 bytes, 5 on Win7) */
206 { { 0x64,0x64,0x64,0x64,0x64,0x64,0x64,0x64,0x64,0x64,0x64,0x64,0x64,0x64,0x64,0xfa,0xc3 },
207 0, 16, TRUE, STATUS_ILLEGAL_INSTRUCTION, 0, { 0 },
208 STATUS_ACCESS_VIOLATION, 2, { 0, 0xffffffff } },
209 { { 0x64,0x64,0x64,0x64,0xfa,0xc3 },
210 0, 5, TRUE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
211
212 /* test invalid interrupt */
213 { { 0xcd, 0xff, 0xc3 }, /* int $0xff; ret */
214 0, 2, FALSE, STATUS_ACCESS_VIOLATION, 2, { 0, 0xffffffff } },
215
216 /* test moves to/from Crx */
217 { { 0x0f, 0x20, 0xc0, 0xc3 }, /* movl %cr0,%eax; ret */
218 0, 3, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
219 { { 0x0f, 0x20, 0xe0, 0xc3 }, /* movl %cr4,%eax; ret */
220 0, 3, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
221 /* 25 */
222 { { 0x0f, 0x22, 0xc0, 0xc3 }, /* movl %eax,%cr0; ret */
223 0, 3, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
224 { { 0x0f, 0x22, 0xe0, 0xc3 }, /* movl %eax,%cr4; ret */
225 0, 3, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
226
227 /* test moves to/from Drx */
228 { { 0x0f, 0x21, 0xc0, 0xc3 }, /* movl %dr0,%eax; ret */
229 0, 3, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
230 { { 0x0f, 0x21, 0xc8, 0xc3 }, /* movl %dr1,%eax; ret */
231 0, 3, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
232 { { 0x0f, 0x21, 0xf8, 0xc3 }, /* movl %dr7,%eax; ret */
233 0, 3, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
234 /* 30 */
235 { { 0x0f, 0x23, 0xc0, 0xc3 }, /* movl %eax,%dr0; ret */
236 0, 3, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
237 { { 0x0f, 0x23, 0xc8, 0xc3 }, /* movl %eax,%dr1; ret */
238 0, 3, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
239 { { 0x0f, 0x23, 0xf8, 0xc3 }, /* movl %eax,%dr7; ret */
240 0, 3, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
241
242 /* test memory reads */
243 { { 0xa1, 0xfc, 0xff, 0xff, 0xff, 0xc3 }, /* movl 0xfffffffc,%eax; ret */
244 0, 5, FALSE, STATUS_ACCESS_VIOLATION, 2, { 0, 0xfffffffc } },
245 { { 0xa1, 0xfd, 0xff, 0xff, 0xff, 0xc3 }, /* movl 0xfffffffd,%eax; ret */
246 0, 5, FALSE, STATUS_ACCESS_VIOLATION, 2, { 0, 0xfffffffd } },
247 /* 35 */
248 { { 0xa1, 0xfe, 0xff, 0xff, 0xff, 0xc3 }, /* movl 0xfffffffe,%eax; ret */
249 0, 5, FALSE, STATUS_ACCESS_VIOLATION, 2, { 0, 0xfffffffe } },
250 { { 0xa1, 0xff, 0xff, 0xff, 0xff, 0xc3 }, /* movl 0xffffffff,%eax; ret */
251 0, 5, FALSE, STATUS_ACCESS_VIOLATION, 2, { 0, 0xffffffff } },
252
253 /* test memory writes */
254 { { 0xa3, 0xfc, 0xff, 0xff, 0xff, 0xc3 }, /* movl %eax,0xfffffffc; ret */
255 0, 5, FALSE, STATUS_ACCESS_VIOLATION, 2, { 1, 0xfffffffc } },
256 { { 0xa3, 0xfd, 0xff, 0xff, 0xff, 0xc3 }, /* movl %eax,0xfffffffd; ret */
257 0, 5, FALSE, STATUS_ACCESS_VIOLATION, 2, { 1, 0xfffffffd } },
258 { { 0xa3, 0xfe, 0xff, 0xff, 0xff, 0xc3 }, /* movl %eax,0xfffffffe; ret */
259 0, 5, FALSE, STATUS_ACCESS_VIOLATION, 2, { 1, 0xfffffffe } },
260 /* 40 */
261 { { 0xa3, 0xff, 0xff, 0xff, 0xff, 0xc3 }, /* movl %eax,0xffffffff; ret */
262 0, 5, FALSE, STATUS_ACCESS_VIOLATION, 2, { 1, 0xffffffff } },
263
264 /* test exception with cleared %ds and %es (broken on Wow64) */
265 { { 0x1e, 0x06, 0x31, 0xc0, 0x8e, 0xd8, 0x8e, 0xc0, 0xfa, 0x07, 0x1f, 0xc3 },
266 /* push %ds; push %es; xorl %eax,%eax; mov %ax,%ds; mov %ax,%es; cli; pop %es; pop %ds; ret */
267 8, 1, TRUE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
268
269 { { 0xf1, 0x90, 0xc3 }, /* icebp; nop; ret */
270 1, 1, FALSE, STATUS_SINGLE_STEP, 0 },
271 { { 0xb8, 0xb8, 0xb8, 0xb8, 0xb8, /* mov $0xb8b8b8b8, %eax */
272 0xb9, 0xb9, 0xb9, 0xb9, 0xb9, /* mov $0xb9b9b9b9, %ecx */
273 0xba, 0xba, 0xba, 0xba, 0xba, /* mov $0xbabababa, %edx */
274 0xcd, 0x2d, 0xc3 }, /* int $0x2d; ret */
275 17, 0, FALSE, STATUS_BREAKPOINT, 3, { 0xb8b8b8b8, 0xb9b9b9b9, 0xbabababa } },
276 };
277
278 static int got_exception;
279 static BOOL have_vectored_api;
280
281 static void run_exception_test(void *handler, const void* context,
282 const void *code, unsigned int code_size,
283 DWORD access)
284 {
285 struct {
286 EXCEPTION_REGISTRATION_RECORD frame;
287 const void *context;
288 } exc_frame;
289 void (*func)(void) = code_mem;
290 DWORD oldaccess, oldaccess2;
291
292 exc_frame.frame.Handler = handler;
293 exc_frame.frame.Prev = NtCurrentTeb()->Tib.ExceptionList;
294 exc_frame.context = context;
295
296 memcpy(code_mem, code, code_size);
297 if(access)
298 VirtualProtect(code_mem, code_size, access, &oldaccess);
299
300 NtCurrentTeb()->Tib.ExceptionList = &exc_frame.frame;
301 func();
302 NtCurrentTeb()->Tib.ExceptionList = exc_frame.frame.Prev;
303
304 if(access)
305 VirtualProtect(code_mem, code_size, oldaccess, &oldaccess2);
306 }
307
308 static LONG CALLBACK rtlraiseexception_vectored_handler(EXCEPTION_POINTERS *ExceptionInfo)
309 {
310 PCONTEXT context = ExceptionInfo->ContextRecord;
311 PEXCEPTION_RECORD rec = ExceptionInfo->ExceptionRecord;
312 trace("vect. handler %08x addr:%p context.Eip:%x\n", rec->ExceptionCode,
313 rec->ExceptionAddress, context->Eip);
314
315 ok(rec->ExceptionAddress == (char *)code_mem + 0xb, "ExceptionAddress at %p instead of %p\n",
316 rec->ExceptionAddress, (char *)code_mem + 0xb);
317
318 if (NtCurrentTeb()->Peb->BeingDebugged)
319 ok((void *)context->Eax == pRtlRaiseException ||
320 broken( is_wow64 && context->Eax == 0xf00f00f1 ), /* broken on vista */
321 "debugger managed to modify Eax to %x should be %p\n",
322 context->Eax, pRtlRaiseException);
323
324 /* check that context.Eip is fixed up only for EXCEPTION_BREAKPOINT
325 * even if raised by RtlRaiseException
326 */
327 if(rec->ExceptionCode == EXCEPTION_BREAKPOINT)
328 {
329 ok(context->Eip == (DWORD)code_mem + 0xa ||
330 broken(context->Eip == (DWORD)code_mem + 0xb), /* win2k3 */
331 "Eip at %x instead of %x or %x\n", context->Eip,
332 (DWORD)code_mem + 0xa, (DWORD)code_mem + 0xb);
333 }
334 else
335 {
336 ok(context->Eip == (DWORD)code_mem + 0xb, "Eip at %x instead of %x\n",
337 context->Eip, (DWORD)code_mem + 0xb);
338 }
339
340 /* test if context change is preserved from vectored handler to stack handlers */
341 context->Eax = 0xf00f00f0;
342 return EXCEPTION_CONTINUE_SEARCH;
343 }
344
345 static DWORD rtlraiseexception_handler( EXCEPTION_RECORD *rec, EXCEPTION_REGISTRATION_RECORD *frame,
346 CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **dispatcher )
347 {
348 trace( "exception: %08x flags:%x addr:%p context: Eip:%x\n",
349 rec->ExceptionCode, rec->ExceptionFlags, rec->ExceptionAddress, context->Eip );
350
351 ok(rec->ExceptionAddress == (char *)code_mem + 0xb, "ExceptionAddress at %p instead of %p\n",
352 rec->ExceptionAddress, (char *)code_mem + 0xb);
353
354 /* check that context.Eip is fixed up only for EXCEPTION_BREAKPOINT
355 * even if raised by RtlRaiseException
356 */
357 if(rec->ExceptionCode == EXCEPTION_BREAKPOINT)
358 {
359 ok(context->Eip == (DWORD)code_mem + 0xa ||
360 broken(context->Eip == (DWORD)code_mem + 0xb), /* win2k3 */
361 "Eip at %x instead of %x or %x\n", context->Eip,
362 (DWORD)code_mem + 0xa, (DWORD)code_mem + 0xb);
363 }
364 else
365 {
366 ok(context->Eip == (DWORD)code_mem + 0xb, "Eip at %x instead of %x\n",
367 context->Eip, (DWORD)code_mem + 0xb);
368 }
369
370 if(have_vectored_api)
371 ok(context->Eax == 0xf00f00f0, "Eax is %x, should have been set to 0xf00f00f0 in vectored handler\n",
372 context->Eax);
373
374 /* give the debugger a chance to examine the state a second time */
375 /* without the exception handler changing Eip */
376 if (test_stage == 2)
377 return ExceptionContinueSearch;
378
379 /* Eip in context is decreased by 1
380 * Increase it again, else execution will continue in the middle of an instruction */
381 if(rec->ExceptionCode == EXCEPTION_BREAKPOINT && (context->Eip == (DWORD)code_mem + 0xa))
382 context->Eip += 1;
383 return ExceptionContinueExecution;
384 }
385
386
387 static const BYTE call_one_arg_code[] = {
388 0x8b, 0x44, 0x24, 0x08, /* mov 0x8(%esp),%eax */
389 0x50, /* push %eax */
390 0x8b, 0x44, 0x24, 0x08, /* mov 0x8(%esp),%eax */
391 0xff, 0xd0, /* call *%eax */
392 0x90, /* nop */
393 0x90, /* nop */
394 0x90, /* nop */
395 0x90, /* nop */
396 0xc3, /* ret */
397 };
398
399
400 static void run_rtlraiseexception_test(DWORD exceptioncode)
401 {
402 EXCEPTION_REGISTRATION_RECORD frame;
403 EXCEPTION_RECORD record;
404 PVOID vectored_handler = NULL;
405
406 void (*func)(void* function, EXCEPTION_RECORD* record) = code_mem;
407
408 record.ExceptionCode = exceptioncode;
409 record.ExceptionFlags = 0;
410 record.ExceptionRecord = NULL;
411 record.ExceptionAddress = NULL; /* does not matter, copied return address */
412 record.NumberParameters = 0;
413
414 frame.Handler = rtlraiseexception_handler;
415 frame.Prev = NtCurrentTeb()->Tib.ExceptionList;
416
417 memcpy(code_mem, call_one_arg_code, sizeof(call_one_arg_code));
418
419 NtCurrentTeb()->Tib.ExceptionList = &frame;
420 if (have_vectored_api)
421 {
422 vectored_handler = pRtlAddVectoredExceptionHandler(TRUE, &rtlraiseexception_vectored_handler);
423 ok(vectored_handler != 0, "RtlAddVectoredExceptionHandler failed\n");
424 }
425
426 func(pRtlRaiseException, &record);
427 ok( record.ExceptionAddress == (char *)code_mem + 0x0b,
428 "address set to %p instead of %p\n", record.ExceptionAddress, (char *)code_mem + 0x0b );
429
430 if (have_vectored_api)
431 pRtlRemoveVectoredExceptionHandler(vectored_handler);
432 NtCurrentTeb()->Tib.ExceptionList = frame.Prev;
433 }
434
435 static void test_rtlraiseexception(void)
436 {
437 if (!pRtlRaiseException)
438 {
439 skip("RtlRaiseException not found\n");
440 return;
441 }
442
443 /* test without debugger */
444 run_rtlraiseexception_test(0x12345);
445 run_rtlraiseexception_test(EXCEPTION_BREAKPOINT);
446 run_rtlraiseexception_test(EXCEPTION_INVALID_HANDLE);
447 }
448
449 static DWORD unwind_expected_eax;
450
451 static DWORD unwind_handler( EXCEPTION_RECORD *rec, EXCEPTION_REGISTRATION_RECORD *frame,
452 CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **dispatcher )
453 {
454 trace("exception: %08x flags:%x addr:%p context: Eip:%x\n",
455 rec->ExceptionCode, rec->ExceptionFlags, rec->ExceptionAddress, context->Eip);
456
457 ok(rec->ExceptionCode == STATUS_UNWIND, "ExceptionCode is %08x instead of %08x\n",
458 rec->ExceptionCode, STATUS_UNWIND);
459 ok(rec->ExceptionAddress == (char *)code_mem + 0x22, "ExceptionAddress at %p instead of %p\n",
460 rec->ExceptionAddress, (char *)code_mem + 0x22);
461 ok(context->Eax == unwind_expected_eax, "context->Eax is %08x instead of %08x\n",
462 context->Eax, unwind_expected_eax);
463
464 context->Eax += 1;
465 return ExceptionContinueSearch;
466 }
467
468 static const BYTE call_unwind_code[] = {
469 0x55, /* push %ebp */
470 0x53, /* push %ebx */
471 0x56, /* push %esi */
472 0x57, /* push %edi */
473 0xe8, 0x00, 0x00, 0x00, 0x00, /* call 0 */
474 0x58, /* 0: pop %eax */
475 0x05, 0x1e, 0x00, 0x00, 0x00, /* add $0x1e,%eax */
476 0xff, 0x74, 0x24, 0x20, /* push 0x20(%esp) */
477 0xff, 0x74, 0x24, 0x20, /* push 0x20(%esp) */
478 0x50, /* push %eax */
479 0xff, 0x74, 0x24, 0x24, /* push 0x24(%esp) */
480 0x8B, 0x44, 0x24, 0x24, /* mov 0x24(%esp),%eax */
481 0xff, 0xd0, /* call *%eax */
482 0x5f, /* pop %edi */
483 0x5e, /* pop %esi */
484 0x5b, /* pop %ebx */
485 0x5d, /* pop %ebp */
486 0xc3, /* ret */
487 0xcc, /* int $3 */
488 };
489
490 static void test_unwind(void)
491 {
492 EXCEPTION_REGISTRATION_RECORD frames[2], *frame2 = &frames[0], *frame1 = &frames[1];
493 DWORD (*func)(void* function, EXCEPTION_REGISTRATION_RECORD *pEndFrame, EXCEPTION_RECORD* record, DWORD retval) = code_mem;
494 DWORD retval;
495
496 memcpy(code_mem, call_unwind_code, sizeof(call_unwind_code));
497
498 /* add first unwind handler */
499 frame1->Handler = unwind_handler;
500 frame1->Prev = NtCurrentTeb()->Tib.ExceptionList;
501 NtCurrentTeb()->Tib.ExceptionList = frame1;
502
503 /* add second unwind handler */
504 frame2->Handler = unwind_handler;
505 frame2->Prev = NtCurrentTeb()->Tib.ExceptionList;
506 NtCurrentTeb()->Tib.ExceptionList = frame2;
507
508 /* test unwind to current frame */
509 unwind_expected_eax = 0xDEAD0000;
510 retval = func(pRtlUnwind, frame2, NULL, 0xDEAD0000);
511 ok(retval == 0xDEAD0000, "RtlUnwind returned eax %08x instead of %08x\n", retval, 0xDEAD0000);
512 ok(NtCurrentTeb()->Tib.ExceptionList == frame2, "Exception record points to %p instead of %p\n",
513 NtCurrentTeb()->Tib.ExceptionList, frame2);
514
515 /* unwind to frame1 */
516 unwind_expected_eax = 0xDEAD0000;
517 retval = func(pRtlUnwind, frame1, NULL, 0xDEAD0000);
518 ok(retval == 0xDEAD0001, "RtlUnwind returned eax %08x instead of %08x\n", retval, 0xDEAD0001);
519 ok(NtCurrentTeb()->Tib.ExceptionList == frame1, "Exception record points to %p instead of %p\n",
520 NtCurrentTeb()->Tib.ExceptionList, frame1);
521
522 /* restore original handler */
523 NtCurrentTeb()->Tib.ExceptionList = frame1->Prev;
524 }
525
526 static DWORD handler( EXCEPTION_RECORD *rec, EXCEPTION_REGISTRATION_RECORD *frame,
527 CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **dispatcher )
528 {
529 const struct exception *except = *(const struct exception **)(frame + 1);
530 unsigned int i, parameter_count, entry = except - exceptions;
531
532 got_exception++;
533 trace( "exception %u: %x flags:%x addr:%p\n",
534 entry, rec->ExceptionCode, rec->ExceptionFlags, rec->ExceptionAddress );
535
536 ok( rec->ExceptionCode == except->status ||
537 (except->alt_status != 0 && rec->ExceptionCode == except->alt_status),
538 "%u: Wrong exception code %x/%x\n", entry, rec->ExceptionCode, except->status );
539 ok( context->Eip == (DWORD_PTR)code_mem + except->offset,
540 "%u: Unexpected eip %#x/%#lx\n", entry,
541 context->Eip, (DWORD_PTR)code_mem + except->offset );
542 ok( rec->ExceptionAddress == (char*)context->Eip ||
543 (rec->ExceptionCode == STATUS_BREAKPOINT && rec->ExceptionAddress == (char*)context->Eip + 1),
544 "%u: Unexpected exception address %p/%p\n", entry,
545 rec->ExceptionAddress, (char*)context->Eip );
546
547 if (except->status == STATUS_BREAKPOINT && is_wow64)
548 parameter_count = 1;
549 else if (except->alt_status == 0 || rec->ExceptionCode != except->alt_status)
550 parameter_count = except->nb_params;
551 else
552 parameter_count = except->alt_nb_params;
553
554 ok( rec->NumberParameters == parameter_count,
555 "%u: Unexpected parameter count %u/%u\n", entry, rec->NumberParameters, parameter_count );
556
557 /* Most CPUs (except Intel Core apparently) report a segment limit violation */
558 /* instead of page faults for accesses beyond 0xffffffff */
559 if (except->nb_params == 2 && except->params[1] >= 0xfffffffd)
560 {
561 if (rec->ExceptionInformation[0] == 0 && rec->ExceptionInformation[1] == 0xffffffff)
562 goto skip_params;
563 }
564
565 /* Seems that both 0xbee8 and 0xfffffffff can be returned in windows */
566 if (except->nb_params == 2 && rec->NumberParameters == 2
567 && except->params[1] == 0xbee8 && rec->ExceptionInformation[1] == 0xffffffff
568 && except->params[0] == rec->ExceptionInformation[0])
569 {
570 goto skip_params;
571 }
572
573 if (except->alt_status == 0 || rec->ExceptionCode != except->alt_status)
574 {
575 for (i = 0; i < rec->NumberParameters; i++)
576 ok( rec->ExceptionInformation[i] == except->params[i],
577 "%u: Wrong parameter %d: %lx/%x\n",
578 entry, i, rec->ExceptionInformation[i], except->params[i] );
579 }
580 else
581 {
582 for (i = 0; i < rec->NumberParameters; i++)
583 ok( rec->ExceptionInformation[i] == except->alt_params[i],
584 "%u: Wrong parameter %d: %lx/%x\n",
585 entry, i, rec->ExceptionInformation[i], except->alt_params[i] );
586 }
587
588 skip_params:
589 /* don't handle exception if it's not the address we expected */
590 if (context->Eip != (DWORD_PTR)code_mem + except->offset) return ExceptionContinueSearch;
591
592 context->Eip += except->length;
593 return ExceptionContinueExecution;
594 }
595
596 static void test_prot_fault(void)
597 {
598 unsigned int i;
599
600 for (i = 0; i < sizeof(exceptions)/sizeof(exceptions[0]); i++)
601 {
602 if (is_wow64 && exceptions[i].wow64_broken && !strcmp( winetest_platform, "windows" ))
603 {
604 skip( "Exception %u broken on Wow64\n", i );
605 continue;
606 }
607 got_exception = 0;
608 run_exception_test(handler, &exceptions[i], &exceptions[i].code,
609 sizeof(exceptions[i].code), 0);
610 if (!i && !got_exception)
611 {
612 trace( "No exception, assuming win9x, no point in testing further\n" );
613 break;
614 }
615 ok( got_exception == (exceptions[i].status != 0),
616 "%u: bad exception count %d\n", i, got_exception );
617 }
618 }
619
620 struct dbgreg_test {
621 DWORD dr0, dr1, dr2, dr3, dr6, dr7;
622 };
623
624 /* test handling of debug registers */
625 static DWORD dreg_handler( EXCEPTION_RECORD *rec, EXCEPTION_REGISTRATION_RECORD *frame,
626 CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **dispatcher )
627 {
628 const struct dbgreg_test *test = *(const struct dbgreg_test **)(frame + 1);
629
630 context->Eip += 2; /* Skips the popl (%eax) */
631 context->Dr0 = test->dr0;
632 context->Dr1 = test->dr1;
633 context->Dr2 = test->dr2;
634 context->Dr3 = test->dr3;
635 context->Dr6 = test->dr6;
636 context->Dr7 = test->dr7;
637 return ExceptionContinueExecution;
638 }
639
640 #define CHECK_DEBUG_REG(n, m) \
641 ok((ctx.Dr##n & m) == test->dr##n, "(%d) failed to set debug register " #n " to %x, got %x\n", \
642 test_num, test->dr##n, ctx.Dr##n)
643
644 static void check_debug_registers(int test_num, const struct dbgreg_test *test)
645 {
646 CONTEXT ctx;
647 NTSTATUS status;
648
649 ctx.ContextFlags = CONTEXT_DEBUG_REGISTERS;
650 status = pNtGetContextThread(GetCurrentThread(), &ctx);
651 ok(status == STATUS_SUCCESS, "NtGetContextThread failed with %x\n", status);
652
653 CHECK_DEBUG_REG(0, ~0);
654 CHECK_DEBUG_REG(1, ~0);
655 CHECK_DEBUG_REG(2, ~0);
656 CHECK_DEBUG_REG(3, ~0);
657 CHECK_DEBUG_REG(6, 0x0f);
658 CHECK_DEBUG_REG(7, ~0xdc00);
659 }
660
661 static const BYTE segfault_code[5] = {
662 0x31, 0xc0, /* xor %eax,%eax */
663 0x8f, 0x00, /* popl (%eax) - cause exception */
664 0xc3 /* ret */
665 };
666
667 /* test the single step exception behaviour */
668 static DWORD single_step_handler( EXCEPTION_RECORD *rec, EXCEPTION_REGISTRATION_RECORD *frame,
669 CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **dispatcher )
670 {
671 got_exception++;
672 ok (!(context->EFlags & 0x100), "eflags has single stepping bit set\n");
673
674 if( got_exception < 3)
675 context->EFlags |= 0x100; /* single step until popf instruction */
676 else {
677 /* show that the last single step exception on the popf instruction
678 * (which removed the TF bit), still is a EXCEPTION_SINGLE_STEP exception */
679 ok( rec->ExceptionCode == EXCEPTION_SINGLE_STEP,
680 "exception is not EXCEPTION_SINGLE_STEP: %x\n", rec->ExceptionCode);
681 }
682
683 return ExceptionContinueExecution;
684 }
685
686 static const BYTE single_stepcode[] = {
687 0x9c, /* pushf */
688 0x58, /* pop %eax */
689 0x0d,0,1,0,0, /* or $0x100,%eax */
690 0x50, /* push %eax */
691 0x9d, /* popf */
692 0x35,0,1,0,0, /* xor $0x100,%eax */
693 0x50, /* push %eax */
694 0x9d, /* popf */
695 0xc3
696 };
697
698 /* Test the alignment check (AC) flag handling. */
699 static const BYTE align_check_code[] = {
700 0x55, /* push %ebp */
701 0x89,0xe5, /* mov %esp,%ebp */
702 0x9c, /* pushf */
703 0x58, /* pop %eax */
704 0x0d,0,0,4,0, /* or $0x40000,%eax */
705 0x50, /* push %eax */
706 0x9d, /* popf */
707 0x89,0xe0, /* mov %esp, %eax */
708 0x8b,0x40,0x1, /* mov 0x1(%eax), %eax - cause exception */
709 0x9c, /* pushf */
710 0x58, /* pop %eax */
711 0x35,0,0,4,0, /* xor $0x40000,%eax */
712 0x50, /* push %eax */
713 0x9d, /* popf */
714 0x5d, /* pop %ebp */
715 0xc3, /* ret */
716 };
717
718 static DWORD align_check_handler( EXCEPTION_RECORD *rec, EXCEPTION_REGISTRATION_RECORD *frame,
719 CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **dispatcher )
720 {
721 ok (!(context->EFlags & 0x40000), "eflags has AC bit set\n");
722 got_exception++;
723 return ExceptionContinueExecution;
724 }
725
726 /* Test the direction flag handling. */
727 static const BYTE direction_flag_code[] = {
728 0x55, /* push %ebp */
729 0x89,0xe5, /* mov %esp,%ebp */
730 0xfd, /* std */
731 0xfa, /* cli - cause exception */
732 0x5d, /* pop %ebp */
733 0xc3, /* ret */
734 };
735
736 static DWORD direction_flag_handler( EXCEPTION_RECORD *rec, EXCEPTION_REGISTRATION_RECORD *frame,
737 CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **dispatcher )
738 {
739 #ifdef __GNUC__
740 unsigned int flags;
741 __asm__("pushfl; popl %0; cld" : "=r" (flags) );
742 /* older windows versions don't clear DF properly so don't test */
743 if (flags & 0x400) trace( "eflags has DF bit set\n" );
744 #endif
745 ok( context->EFlags & 0x400, "context eflags has DF bit cleared\n" );
746 got_exception++;
747 context->Eip++; /* skip cli */
748 context->EFlags &= ~0x400; /* make sure it is cleared on return */
749 return ExceptionContinueExecution;
750 }
751
752 /* test single stepping over hardware breakpoint */
753 static DWORD bpx_handler( EXCEPTION_RECORD *rec, EXCEPTION_REGISTRATION_RECORD *frame,
754 CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **dispatcher )
755 {
756 got_exception++;
757 ok( rec->ExceptionCode == EXCEPTION_SINGLE_STEP,
758 "wrong exception code: %x\n", rec->ExceptionCode);
759
760 if(got_exception == 1) {
761 /* hw bp exception on first nop */
762 ok( context->Eip == (DWORD)code_mem, "eip is wrong: %x instead of %x\n",
763 context->Eip, (DWORD)code_mem);
764 ok( (context->Dr6 & 0xf) == 1, "B0 flag is not set in Dr6\n");
765 ok( !(context->Dr6 & 0x4000), "BS flag is set in Dr6\n");
766 context->Dr0 = context->Dr0 + 1; /* set hw bp again on next instruction */
767 context->EFlags |= 0x100; /* enable single stepping */
768 } else if( got_exception == 2) {
769 /* single step exception on second nop */
770 ok( context->Eip == (DWORD)code_mem + 1, "eip is wrong: %x instead of %x\n",
771 context->Eip, (DWORD)code_mem + 1);
772 ok( (context->Dr6 & 0x4000), "BS flag is not set in Dr6\n");
773 /* depending on the win version the B0 bit is already set here as well
774 ok( (context->Dr6 & 0xf) == 0, "B0...3 flags in Dr6 shouldn't be set\n"); */
775 context->EFlags |= 0x100;
776 } else if( got_exception == 3) {
777 /* hw bp exception on second nop */
778 ok( context->Eip == (DWORD)code_mem + 1, "eip is wrong: %x instead of %x\n",
779 context->Eip, (DWORD)code_mem + 1);
780 ok( (context->Dr6 & 0xf) == 1, "B0 flag is not set in Dr6\n");
781 ok( !(context->Dr6 & 0x4000), "BS flag is set in Dr6\n");
782 context->Dr0 = 0; /* clear breakpoint */
783 context->EFlags |= 0x100;
784 } else {
785 /* single step exception on ret */
786 ok( context->Eip == (DWORD)code_mem + 2, "eip is wrong: %x instead of %x\n",
787 context->Eip, (DWORD)code_mem + 2);
788 ok( (context->Dr6 & 0xf) == 0, "B0...3 flags in Dr6 shouldn't be set\n");
789 ok( (context->Dr6 & 0x4000), "BS flag is not set in Dr6\n");
790 }
791
792 context->Dr6 = 0; /* clear status register */
793 return ExceptionContinueExecution;
794 }
795
796 static const BYTE dummy_code[] = { 0x90, 0x90, 0xc3 }; /* nop, nop, ret */
797
798 /* test int3 handling */
799 static DWORD int3_handler( EXCEPTION_RECORD *rec, EXCEPTION_REGISTRATION_RECORD *frame,
800 CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **dispatcher )
801 {
802 ok( rec->ExceptionAddress == code_mem, "exception address not at: %p, but at %p\n",
803 code_mem, rec->ExceptionAddress);
804 ok( context->Eip == (DWORD)code_mem, "eip not at: %p, but at %#x\n", code_mem, context->Eip);
805 if(context->Eip == (DWORD)code_mem) context->Eip++; /* skip breakpoint */
806
807 return ExceptionContinueExecution;
808 }
809
810 static const BYTE int3_code[] = { 0xCC, 0xc3 }; /* int 3, ret */
811
812 static DWORD WINAPI hw_reg_exception_thread( void *arg )
813 {
814 int expect = (ULONG_PTR)arg;
815 got_exception = 0;
816 run_exception_test( bpx_handler, NULL, dummy_code, sizeof(dummy_code), 0 );
817 ok( got_exception == expect, "expected %u exceptions, got %d\n", expect, got_exception );
818 return 0;
819 }
820
821 static void test_exceptions(void)
822 {
823 CONTEXT ctx;
824 NTSTATUS res;
825 struct dbgreg_test dreg_test;
826 HANDLE h;
827
828 if (!pNtGetContextThread || !pNtSetContextThread)
829 {
830 skip( "NtGetContextThread/NtSetContextThread not found\n" );
831 return;
832 }
833
834 /* test handling of debug registers */
835 memset(&dreg_test, 0, sizeof(dreg_test));
836
837 dreg_test.dr0 = 0x42424240;
838 dreg_test.dr2 = 0x126bb070;
839 dreg_test.dr3 = 0x0badbad0;
840 dreg_test.dr7 = 0xffff0115;
841 run_exception_test(dreg_handler, &dreg_test, &segfault_code, sizeof(segfault_code), 0);
842 check_debug_registers(1, &dreg_test);
843
844 dreg_test.dr0 = 0x42424242;
845 dreg_test.dr2 = 0x100f0fe7;
846 dreg_test.dr3 = 0x0abebabe;
847 dreg_test.dr7 = 0x115;
848 run_exception_test(dreg_handler, &dreg_test, &segfault_code, sizeof(segfault_code), 0);
849 check_debug_registers(2, &dreg_test);
850
851 /* test single stepping behavior */
852 got_exception = 0;
853 run_exception_test(single_step_handler, NULL, &single_stepcode, sizeof(single_stepcode), 0);
854 ok(got_exception == 3, "expected 3 single step exceptions, got %d\n", got_exception);
855
856 /* test alignment exceptions */
857 got_exception = 0;
858 run_exception_test(align_check_handler, NULL, align_check_code, sizeof(align_check_code), 0);
859 ok(got_exception == 0, "got %d alignment faults, expected 0\n", got_exception);
860
861 /* test direction flag */
862 got_exception = 0;
863 run_exception_test(direction_flag_handler, NULL, direction_flag_code, sizeof(direction_flag_code), 0);
864 ok(got_exception == 1, "got %d exceptions, expected 1\n", got_exception);
865
866 /* test single stepping over hardware breakpoint */
867 memset(&ctx, 0, sizeof(ctx));
868 ctx.Dr0 = (DWORD) code_mem; /* set hw bp on first nop */
869 ctx.Dr7 = 3;
870 ctx.ContextFlags = CONTEXT_DEBUG_REGISTERS;
871 res = pNtSetContextThread( GetCurrentThread(), &ctx);
872 ok( res == STATUS_SUCCESS, "NtSetContextThread failed with %x\n", res);
873
874 got_exception = 0;
875 run_exception_test(bpx_handler, NULL, dummy_code, sizeof(dummy_code), 0);
876 ok( got_exception == 4,"expected 4 exceptions, got %d\n", got_exception);
877
878 /* test int3 handling */
879 run_exception_test(int3_handler, NULL, int3_code, sizeof(int3_code), 0);
880
881 /* test that hardware breakpoints are not inherited by created threads */
882 res = pNtSetContextThread( GetCurrentThread(), &ctx );
883 ok( res == STATUS_SUCCESS, "NtSetContextThread failed with %x\n", res );
884
885 h = CreateThread( NULL, 0, hw_reg_exception_thread, 0, 0, NULL );
886 WaitForSingleObject( h, 10000 );
887 CloseHandle( h );
888
889 h = CreateThread( NULL, 0, hw_reg_exception_thread, (void *)4, CREATE_SUSPENDED, NULL );
890 ctx.ContextFlags = CONTEXT_DEBUG_REGISTERS;
891 res = pNtGetContextThread( h, &ctx );
892 ok( res == STATUS_SUCCESS, "NtGetContextThread failed with %x\n", res );
893 ok( ctx.Dr0 == 0, "dr0 %x\n", ctx.Dr0 );
894 ok( ctx.Dr7 == 0, "dr7 %x\n", ctx.Dr7 );
895 ctx.Dr0 = (DWORD)code_mem;
896 ctx.Dr7 = 3;
897 res = pNtSetContextThread( h, &ctx );
898 ok( res == STATUS_SUCCESS, "NtSetContextThread failed with %x\n", res );
899 ResumeThread( h );
900 WaitForSingleObject( h, 10000 );
901 CloseHandle( h );
902
903 ctx.Dr0 = 0;
904 ctx.Dr7 = 0;
905 res = pNtSetContextThread( GetCurrentThread(), &ctx );
906 ok( res == STATUS_SUCCESS, "NtSetContextThread failed with %x\n", res );
907 }
908
909 static void test_debugger(void)
910 {
911 char cmdline[MAX_PATH];
912 PROCESS_INFORMATION pi;
913 STARTUPINFOA si = { 0 };
914 DEBUG_EVENT de;
915 DWORD continuestatus;
916 PVOID code_mem_address = NULL;
917 NTSTATUS status;
918 SIZE_T size_read;
919 BOOL ret;
920 int counter = 0;
921 si.cb = sizeof(si);
922
923 if(!pNtGetContextThread || !pNtSetContextThread || !pNtReadVirtualMemory || !pNtTerminateProcess)
924 {
925 skip("NtGetContextThread, NtSetContextThread, NtReadVirtualMemory or NtTerminateProcess not found\n");
926 return;
927 }
928
929 sprintf(cmdline, "%s %s %s %p", my_argv[0], my_argv[1], "debuggee", &test_stage);
930 ret = CreateProcessA(NULL, cmdline, NULL, NULL, FALSE, DEBUG_PROCESS, NULL, NULL, &si, &pi);
931 ok(ret, "could not create child process error: %u\n", GetLastError());
932 if (!ret)
933 return;
934
935 do
936 {
937 continuestatus = DBG_CONTINUE;
938 ok(WaitForDebugEvent(&de, INFINITE), "reading debug event\n");
939
940 if (de.dwThreadId != pi.dwThreadId)
941 {
942 trace("event %d not coming from main thread, ignoring\n", de.dwDebugEventCode);
943 ContinueDebugEvent(de.dwProcessId, de.dwThreadId, DBG_CONTINUE);
944 continue;
945 }
946
947 if (de.dwDebugEventCode == CREATE_PROCESS_DEBUG_EVENT)
948 {
949 if(de.u.CreateProcessInfo.lpBaseOfImage != NtCurrentTeb()->Peb->ImageBaseAddress)
950 {
951 skip("child process loaded at different address, terminating it\n");
952 pNtTerminateProcess(pi.hProcess, 0);
953 }
954 }
955 else if (de.dwDebugEventCode == EXCEPTION_DEBUG_EVENT)
956 {
957 CONTEXT ctx;
958 int stage;
959
960 counter++;
961 status = pNtReadVirtualMemory(pi.hProcess, &code_mem, &code_mem_address,
962 sizeof(code_mem_address), &size_read);
963 ok(!status,"NtReadVirtualMemory failed with 0x%x\n", status);
964 status = pNtReadVirtualMemory(pi.hProcess, &test_stage, &stage,
965 sizeof(stage), &size_read);
966 ok(!status,"NtReadVirtualMemory failed with 0x%x\n", status);
967
968 ctx.ContextFlags = CONTEXT_FULL;
969 status = pNtGetContextThread(pi.hThread, &ctx);
970 ok(!status, "NtGetContextThread failed with 0x%x\n", status);
971
972 trace("exception 0x%x at %p firstchance=%d Eip=0x%x, Eax=0x%x\n",
973 de.u.Exception.ExceptionRecord.ExceptionCode,
974 de.u.Exception.ExceptionRecord.ExceptionAddress, de.u.Exception.dwFirstChance, ctx.Eip, ctx.Eax);
975
976 if (counter > 100)
977 {
978 ok(FALSE, "got way too many exceptions, probably caught in an infinite loop, terminating child\n");
979 pNtTerminateProcess(pi.hProcess, 1);
980 }
981 else if (counter >= 2) /* skip startup breakpoint */
982 {
983 if (stage == 1)
984 {
985 ok((char *)ctx.Eip == (char *)code_mem_address + 0xb, "Eip at %x instead of %p\n",
986 ctx.Eip, (char *)code_mem_address + 0xb);
987 /* setting the context from debugger does not affect the context, the exception handlers gets */
988 /* uncomment once wine is fixed */
989 /* ctx.Eip = 0x12345; */
990 ctx.Eax = 0xf00f00f1;
991
992 /* let the debuggee handle the exception */
993 continuestatus = DBG_EXCEPTION_NOT_HANDLED;
994 }
995 else if (stage == 2)
996 {
997 if (de.u.Exception.dwFirstChance)
998 {
999 /* debugger gets first chance exception with unmodified ctx.Eip */
1000 ok((char *)ctx.Eip == (char *)code_mem_address + 0xb, "Eip at 0x%x instead of %p\n",
1001 ctx.Eip, (char *)code_mem_address + 0xb);
1002
1003 /* setting the context from debugger does not affect the context, the exception handlers gets */
1004 /* uncomment once wine is fixed */
1005 /* ctx.Eip = 0x12345; */
1006 ctx.Eax = 0xf00f00f1;
1007
1008 /* pass exception to debuggee
1009 * exception will not be handled and
1010 * a second chance exception will be raised */
1011 continuestatus = DBG_EXCEPTION_NOT_HANDLED;
1012 }
1013 else
1014 {
1015 /* debugger gets context after exception handler has played with it */
1016 /* ctx.Eip is the same value the exception handler got */
1017 if (de.u.Exception.ExceptionRecord.ExceptionCode == EXCEPTION_BREAKPOINT)
1018 {
1019 ok((char *)ctx.Eip == (char *)code_mem_address + 0xa ||
1020 broken(is_wow64 && (char *)ctx.Eip == (char *)code_mem_address + 0xb),
1021 "Eip at 0x%x instead of %p\n",
1022 ctx.Eip, (char *)code_mem_address + 0xa);
1023 /* need to fixup Eip for debuggee */
1024 if ((char *)ctx.Eip == (char *)code_mem_address + 0xa)
1025 ctx.Eip += 1;
1026 }
1027 else
1028 ok((char *)ctx.Eip == (char *)code_mem_address + 0xb, "Eip at 0x%x instead of %p\n",
1029 ctx.Eip, (char *)code_mem_address + 0xb);
1030 /* here we handle exception */
1031 }
1032 }
1033 else if (stage == 7 || stage == 8)
1034 {
1035 ok(de.u.Exception.ExceptionRecord.ExceptionCode == EXCEPTION_BREAKPOINT,
1036 "expected EXCEPTION_BREAKPOINT, got %08x\n", de.u.Exception.ExceptionRecord.ExceptionCode);
1037 ok((char *)ctx.Eip == (char *)code_mem_address + 0x1d,
1038 "expected Eip = %p, got 0x%x\n", (char *)code_mem_address + 0x1d, ctx.Eip);
1039
1040 if (stage == 8) continuestatus = DBG_EXCEPTION_NOT_HANDLED;
1041 }
1042 else if (stage == 9 || stage == 10)
1043 {
1044 ok(de.u.Exception.ExceptionRecord.ExceptionCode == EXCEPTION_BREAKPOINT,
1045 "expected EXCEPTION_BREAKPOINT, got %08x\n", de.u.Exception.ExceptionRecord.ExceptionCode);
1046 ok((char *)ctx.Eip == (char *)code_mem_address + 2,
1047 "expected Eip = %p, got 0x%x\n", (char *)code_mem_address + 2, ctx.Eip);
1048
1049 if (stage == 10) continuestatus = DBG_EXCEPTION_NOT_HANDLED;
1050 }
1051 else if (stage == 11 || stage == 12)
1052 {
1053 ok(de.u.Exception.ExceptionRecord.ExceptionCode == EXCEPTION_INVALID_HANDLE,
1054 "unexpected exception code %08x, expected %08x\n", de.u.Exception.ExceptionRecord.ExceptionCode,
1055 EXCEPTION_INVALID_HANDLE);
1056 ok(de.u.Exception.ExceptionRecord.NumberParameters == 0,
1057 "unexpected number of parameters %d, expected 0\n", de.u.Exception.ExceptionRecord.NumberParameters);
1058
1059 if (stage == 12) continuestatus = DBG_EXCEPTION_NOT_HANDLED;
1060 }
1061 else
1062 ok(FALSE, "unexpected stage %x\n", stage);
1063
1064 status = pNtSetContextThread(pi.hThread, &ctx);
1065 ok(!status, "NtSetContextThread failed with 0x%x\n", status);
1066 }
1067 }
1068 else if (de.dwDebugEventCode == OUTPUT_DEBUG_STRING_EVENT)
1069 {
1070 int stage;
1071 #ifdef __REACTOS__
1072 /* This will catch our DPRINTs, such as
1073 * "WARNING: RtlpDphTargetDllsLogicInitialize at ..\..\lib\rtl\heappage.c:1283 is UNIMPLEMENTED!"
1074 * so we need a full-size buffer to avoid a stack overflow
1075 */
1076 char buffer[513];
1077 #else
1078 char buffer[64];
1079 #endif
1080
1081 status = pNtReadVirtualMemory(pi.hProcess, &test_stage, &stage,
1082 sizeof(stage), &size_read);
1083 ok(!status,"NtReadVirtualMemory failed with 0x%x\n", status);
1084
1085 ok(!de.u.DebugString.fUnicode, "unexpected unicode debug string event\n");
1086 ok(de.u.DebugString.nDebugStringLength < sizeof(buffer) - 1, "buffer not large enough to hold %d bytes\n",
1087 de.u.DebugString.nDebugStringLength);
1088
1089 memset(buffer, 0, sizeof(buffer));
1090 status = pNtReadVirtualMemory(pi.hProcess, de.u.DebugString.lpDebugStringData, buffer,
1091 de.u.DebugString.nDebugStringLength, &size_read);
1092 ok(!status,"NtReadVirtualMemory failed with 0x%x\n", status);
1093
1094 if (stage == 3 || stage == 4)
1095 ok(!strcmp(buffer, "Hello World"), "got unexpected debug string '%s'\n", buffer);
1096 else /* ignore unrelated debug strings like 'SHIMVIEW: ShimInfo(Complete)' */
1097 ok(strstr(buffer, "SHIMVIEW") != NULL, "unexpected stage %x, got debug string event '%s'\n", stage, buffer);
1098
1099 if (stage == 4) continuestatus = DBG_EXCEPTION_NOT_HANDLED;
1100 }
1101 else if (de.dwDebugEventCode == RIP_EVENT)
1102 {
1103 int stage;
1104
1105 status = pNtReadVirtualMemory(pi.hProcess, &test_stage, &stage,
1106 sizeof(stage), &size_read);
1107 ok(!status,"NtReadVirtualMemory failed with 0x%x\n", status);
1108
1109 if (stage == 5 || stage == 6)
1110 {
1111 ok(de.u.RipInfo.dwError == 0x11223344, "got unexpected rip error code %08x, expected %08x\n",
1112 de.u.RipInfo.dwError, 0x11223344);
1113 ok(de.u.RipInfo.dwType == 0x55667788, "got unexpected rip type %08x, expected %08x\n",
1114 de.u.RipInfo.dwType, 0x55667788);
1115 }
1116 else
1117 ok(FALSE, "unexpected stage %x\n", stage);
1118
1119 if (stage == 6) continuestatus = DBG_EXCEPTION_NOT_HANDLED;
1120 }
1121
1122 ContinueDebugEvent(de.dwProcessId, de.dwThreadId, continuestatus);
1123
1124 } while (de.dwDebugEventCode != EXIT_PROCESS_DEBUG_EVENT);
1125
1126 winetest_wait_child_process( pi.hProcess );
1127 ret = CloseHandle(pi.hThread);
1128 ok(ret, "error %u\n", GetLastError());
1129 ret = CloseHandle(pi.hProcess);
1130 ok(ret, "error %u\n", GetLastError());
1131
1132 return;
1133 }
1134
1135 static DWORD simd_fault_handler( EXCEPTION_RECORD *rec, EXCEPTION_REGISTRATION_RECORD *frame,
1136 CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **dispatcher )
1137 {
1138 int *stage = *(int **)(frame + 1);
1139
1140 got_exception++;
1141
1142 if( *stage == 1) {
1143 /* fault while executing sse instruction */
1144 context->Eip += 3; /* skip addps */
1145 return ExceptionContinueExecution;
1146 }
1147 else if ( *stage == 2 || *stage == 3 ) {
1148 /* stage 2 - divide by zero fault */
1149 /* stage 3 - invalid operation fault */
1150 if( rec->ExceptionCode == EXCEPTION_ILLEGAL_INSTRUCTION)
1151 skip("system doesn't support SIMD exceptions\n");
1152 else {
1153 ok( rec->ExceptionCode == STATUS_FLOAT_MULTIPLE_TRAPS,
1154 "exception code: %#x, should be %#x\n",
1155 rec->ExceptionCode, STATUS_FLOAT_MULTIPLE_TRAPS);
1156 ok( rec->NumberParameters == 1 || broken(is_wow64 && rec->NumberParameters == 2),
1157 "# of params: %i, should be 1\n",
1158 rec->NumberParameters);
1159 if( rec->NumberParameters == 1 )
1160 ok( rec->ExceptionInformation[0] == 0, "param #1: %lx, should be 0\n", rec->ExceptionInformation[0]);
1161 }
1162 context->Eip += 3; /* skip divps */
1163 }
1164 else
1165 ok(FALSE, "unexpected stage %x\n", *stage);
1166
1167 return ExceptionContinueExecution;
1168 }
1169
1170 static const BYTE simd_exception_test[] = {
1171 0x83, 0xec, 0x4, /* sub $0x4, %esp */
1172 0x0f, 0xae, 0x1c, 0x24, /* stmxcsr (%esp) */
1173 0x8b, 0x04, 0x24, /* mov (%esp),%eax * store mxcsr */
1174 0x66, 0x81, 0x24, 0x24, 0xff, 0xfd, /* andw $0xfdff,(%esp) * enable divide by */
1175 0x0f, 0xae, 0x14, 0x24, /* ldmxcsr (%esp) * zero exceptions */
1176 0x6a, 0x01, /* push $0x1 */
1177 0x6a, 0x01, /* push $0x1 */
1178 0x6a, 0x01, /* push $0x1 */
1179 0x6a, 0x01, /* push $0x1 */
1180 0x0f, 0x10, 0x0c, 0x24, /* movups (%esp),%xmm1 * fill dividend */
1181 0x0f, 0x57, 0xc0, /* xorps %xmm0,%xmm0 * clear divisor */
1182 0x0f, 0x5e, 0xc8, /* divps %xmm0,%xmm1 * generate fault */
1183 0x83, 0xc4, 0x10, /* add $0x10,%esp */
1184 0x89, 0x04, 0x24, /* mov %eax,(%esp) * restore to old mxcsr */
1185 0x0f, 0xae, 0x14, 0x24, /* ldmxcsr (%esp) */
1186 0x83, 0xc4, 0x04, /* add $0x4,%esp */
1187 0xc3, /* ret */
1188 };
1189
1190 static const BYTE simd_exception_test2[] = {
1191 0x83, 0xec, 0x4, /* sub $0x4, %esp */
1192 0x0f, 0xae, 0x1c, 0x24, /* stmxcsr (%esp) */
1193 0x8b, 0x04, 0x24, /* mov (%esp),%eax * store mxcsr */
1194 0x66, 0x81, 0x24, 0x24, 0x7f, 0xff, /* andw $0xff7f,(%esp) * enable invalid */
1195 0x0f, 0xae, 0x14, 0x24, /* ldmxcsr (%esp) * operation exceptions */
1196 0x0f, 0x57, 0xc9, /* xorps %xmm1,%xmm1 * clear dividend */
1197 0x0f, 0x57, 0xc0, /* xorps %xmm0,%xmm0 * clear divisor */
1198 0x0f, 0x5e, 0xc8, /* divps %xmm0,%xmm1 * generate fault */
1199 0x89, 0x04, 0x24, /* mov %eax,(%esp) * restore to old mxcsr */
1200 0x0f, 0xae, 0x14, 0x24, /* ldmxcsr (%esp) */
1201 0x83, 0xc4, 0x04, /* add $0x4,%esp */
1202 0xc3, /* ret */
1203 };
1204
1205 static const BYTE sse_check[] = {
1206 0x0f, 0x58, 0xc8, /* addps %xmm0,%xmm1 */
1207 0xc3, /* ret */
1208 };
1209
1210 static void test_simd_exceptions(void)
1211 {
1212 int stage;
1213
1214 /* test if CPU & OS can do sse */
1215 stage = 1;
1216 got_exception = 0;
1217 run_exception_test(simd_fault_handler, &stage, sse_check, sizeof(sse_check), 0);
1218 if(got_exception) {
1219 skip("system doesn't support SSE\n");
1220 return;
1221 }
1222
1223 /* generate a SIMD exception */
1224 stage = 2;
1225 got_exception = 0;
1226 run_exception_test(simd_fault_handler, &stage, simd_exception_test,
1227 sizeof(simd_exception_test), 0);
1228 ok(got_exception == 1, "got exception: %i, should be 1\n", got_exception);
1229
1230 /* generate a SIMD exception, test FPE_FLTINV */
1231 stage = 3;
1232 got_exception = 0;
1233 run_exception_test(simd_fault_handler, &stage, simd_exception_test2,
1234 sizeof(simd_exception_test2), 0);
1235 ok(got_exception == 1, "got exception: %i, should be 1\n", got_exception);
1236 }
1237
1238 struct fpu_exception_info
1239 {
1240 DWORD exception_code;
1241 DWORD exception_offset;
1242 DWORD eip_offset;
1243 };
1244
1245 static DWORD fpu_exception_handler(EXCEPTION_RECORD *rec, EXCEPTION_REGISTRATION_RECORD *frame,
1246 CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **dispatcher)
1247 {
1248 struct fpu_exception_info *info = *(struct fpu_exception_info **)(frame + 1);
1249
1250 info->exception_code = rec->ExceptionCode;
1251 info->exception_offset = (BYTE *)rec->ExceptionAddress - (BYTE *)code_mem;
1252 info->eip_offset = context->Eip - (DWORD)code_mem;
1253
1254 ++context->Eip;
1255 return ExceptionContinueExecution;
1256 }
1257
1258 static void test_fpu_exceptions(void)
1259 {
1260 static const BYTE fpu_exception_test_ie[] =
1261 {
1262 0x83, 0xec, 0x04, /* sub $0x4,%esp */
1263 0x66, 0xc7, 0x04, 0x24, 0xfe, 0x03, /* movw $0x3fe,(%esp) */
1264 0x9b, 0xd9, 0x7c, 0x24, 0x02, /* fstcw 0x2(%esp) */
1265 0xd9, 0x2c, 0x24, /* fldcw (%esp) */
1266 0xd9, 0xee, /* fldz */
1267 0xd9, 0xe8, /* fld1 */
1268 0xde, 0xf1, /* fdivp */
1269 0xdd, 0xd8, /* fstp %st(0) */
1270 0xdd, 0xd8, /* fstp %st(0) */
1271 0x9b, /* fwait */
1272 0xdb, 0xe2, /* fnclex */
1273 0xd9, 0x6c, 0x24, 0x02, /* fldcw 0x2(%esp) */
1274 0x83, 0xc4, 0x04, /* add $0x4,%esp */
1275 0xc3, /* ret */
1276 };
1277
1278 static const BYTE fpu_exception_test_de[] =
1279 {
1280 0x83, 0xec, 0x04, /* sub $0x4,%esp */
1281 0x66, 0xc7, 0x04, 0x24, 0xfb, 0x03, /* movw $0x3fb,(%esp) */
1282 0x9b, 0xd9, 0x7c, 0x24, 0x02, /* fstcw 0x2(%esp) */
1283 0xd9, 0x2c, 0x24, /* fldcw (%esp) */
1284 0xdd, 0xd8, /* fstp %st(0) */
1285 0xd9, 0xee, /* fldz */
1286 0xd9, 0xe8, /* fld1 */
1287 0xde, 0xf1, /* fdivp */
1288 0x9b, /* fwait */
1289 0xdb, 0xe2, /* fnclex */
1290 0xdd, 0xd8, /* fstp %st(0) */
1291 0xdd, 0xd8, /* fstp %st(0) */
1292 0xd9, 0x6c, 0x24, 0x02, /* fldcw 0x2(%esp) */
1293 0x83, 0xc4, 0x04, /* add $0x4,%esp */
1294 0xc3, /* ret */
1295 };
1296
1297 struct fpu_exception_info info;
1298
1299 memset(&info, 0, sizeof(info));
1300 run_exception_test(fpu_exception_handler, &info, fpu_exception_test_ie, sizeof(fpu_exception_test_ie), 0);
1301 ok(info.exception_code == EXCEPTION_FLT_STACK_CHECK,
1302 "Got exception code %#x, expected EXCEPTION_FLT_STACK_CHECK\n", info.exception_code);
1303 ok(info.exception_offset == 0x19 ||
1304 broken( info.exception_offset == info.eip_offset ),
1305 "Got exception offset %#x, expected 0x19\n", info.exception_offset);
1306 ok(info.eip_offset == 0x1b, "Got EIP offset %#x, expected 0x1b\n", info.eip_offset);
1307
1308 memset(&info, 0, sizeof(info));
1309 run_exception_test(fpu_exception_handler, &info, fpu_exception_test_de, sizeof(fpu_exception_test_de), 0);
1310 ok(info.exception_code == EXCEPTION_FLT_DIVIDE_BY_ZERO,
1311 "Got exception code %#x, expected EXCEPTION_FLT_DIVIDE_BY_ZERO\n", info.exception_code);
1312 ok(info.exception_offset == 0x17 ||
1313 broken( info.exception_offset == info.eip_offset ),
1314 "Got exception offset %#x, expected 0x17\n", info.exception_offset);
1315 ok(info.eip_offset == 0x19, "Got EIP offset %#x, expected 0x19\n", info.eip_offset);
1316 }
1317
1318 struct dpe_exception_info {
1319 BOOL exception_caught;
1320 DWORD exception_info;
1321 };
1322
1323 static DWORD dpe_exception_handler(EXCEPTION_RECORD *rec, EXCEPTION_REGISTRATION_RECORD *frame,
1324 CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **dispatcher)
1325 {
1326 DWORD old_prot;
1327 struct dpe_exception_info *info = *(struct dpe_exception_info **)(frame + 1);
1328
1329 ok(rec->ExceptionCode == EXCEPTION_ACCESS_VIOLATION,
1330 "Exception code %08x\n", rec->ExceptionCode);
1331 ok(rec->NumberParameters == 2,
1332 "Parameter count: %d\n", rec->NumberParameters);
1333 ok((LPVOID)rec->ExceptionInformation[1] == code_mem,
1334 "Exception address: %p, expected %p\n",
1335 (LPVOID)rec->ExceptionInformation[1], code_mem);
1336
1337 info->exception_info = rec->ExceptionInformation[0];
1338 info->exception_caught = TRUE;
1339
1340 VirtualProtect(code_mem, 1, PAGE_EXECUTE_READWRITE, &old_prot);
1341 return ExceptionContinueExecution;
1342 }
1343
1344 static void test_dpe_exceptions(void)
1345 {
1346 static const BYTE single_ret[] = {0xC3};
1347 struct dpe_exception_info info;
1348 NTSTATUS stat;
1349 BOOL has_hw_support;
1350 BOOL is_permanent = FALSE, can_test_without = TRUE, can_test_with = TRUE;
1351 DWORD val;
1352 ULONG len;
1353
1354 /* Query DEP with len too small */
1355 stat = pNtQueryInformationProcess(GetCurrentProcess(), ProcessExecuteFlags, &val, sizeof val - 1, &len);
1356 if(stat == STATUS_INVALID_INFO_CLASS)
1357 {
1358 skip("This software platform does not support DEP\n");
1359 return;
1360 }
1361 ok(stat == STATUS_INFO_LENGTH_MISMATCH, "buffer too small: %08x\n", stat);
1362
1363 /* Query DEP */
1364 stat = pNtQueryInformationProcess(GetCurrentProcess(), ProcessExecuteFlags, &val, sizeof val, &len);
1365 ok(stat == STATUS_SUCCESS, "querying DEP: status %08x\n", stat);
1366 if(stat == STATUS_SUCCESS)
1367 {
1368 ok(len == sizeof val, "returned length: %d\n", len);
1369 if(val & MEM_EXECUTE_OPTION_PERMANENT)
1370 {
1371 skip("toggling DEP impossible - status locked\n");
1372 is_permanent = TRUE;
1373 if(val & MEM_EXECUTE_OPTION_DISABLE)
1374 can_test_without = FALSE;
1375 else
1376 can_test_with = FALSE;
1377 }
1378 }
1379
1380 if(!is_permanent)
1381 {
1382 /* Enable DEP */
1383 val = MEM_EXECUTE_OPTION_DISABLE;
1384 stat = pNtSetInformationProcess(GetCurrentProcess(), ProcessExecuteFlags, &val, sizeof val);
1385 ok(stat == STATUS_SUCCESS, "enabling DEP: status %08x\n", stat);
1386 }
1387
1388 if(can_test_with)
1389 {
1390 /* Try access to locked page with DEP on*/
1391 info.exception_caught = FALSE;
1392 run_exception_test(dpe_exception_handler, &info, single_ret, sizeof(single_ret), PAGE_NOACCESS);
1393 ok(info.exception_caught == TRUE, "Execution of disabled memory succeeded\n");
1394 ok(info.exception_info == EXCEPTION_READ_FAULT ||
1395 info.exception_info == EXCEPTION_EXECUTE_FAULT,
1396 "Access violation type: %08x\n", (unsigned)info.exception_info);
1397 has_hw_support = info.exception_info == EXCEPTION_EXECUTE_FAULT;
1398 trace("DEP hardware support: %s\n", has_hw_support?"Yes":"No");
1399
1400 /* Try execution of data with DEP on*/
1401 info.exception_caught = FALSE;
1402 run_exception_test(dpe_exception_handler, &info, single_ret, sizeof(single_ret), PAGE_READWRITE);
1403 if(has_hw_support)
1404 {
1405 ok(info.exception_caught == TRUE, "Execution of data memory succeeded\n");
1406 ok(info.exception_info == EXCEPTION_EXECUTE_FAULT,
1407 "Access violation type: %08x\n", (unsigned)info.exception_info);
1408 }
1409 else
1410 ok(info.exception_caught == FALSE, "Execution trapped without hardware support\n");
1411 }
1412 else
1413 skip("DEP is in AlwaysOff state\n");
1414
1415 if(!is_permanent)
1416 {
1417 /* Disable DEP */
1418 val = MEM_EXECUTE_OPTION_ENABLE;
1419 stat = pNtSetInformationProcess(GetCurrentProcess(), ProcessExecuteFlags, &val, sizeof val);
1420 ok(stat == STATUS_SUCCESS, "disabling DEP: status %08x\n", stat);
1421 }
1422
1423 /* page is read without exec here */
1424 if(can_test_without)
1425 {
1426 /* Try execution of data with DEP off */
1427 info.exception_caught = FALSE;
1428 run_exception_test(dpe_exception_handler, &info, single_ret, sizeof(single_ret), PAGE_READWRITE);
1429 ok(info.exception_caught == FALSE, "Execution trapped with DEP turned off\n");
1430
1431 /* Try access to locked page with DEP off - error code is different than
1432 with hardware DEP on */
1433 info.exception_caught = FALSE;
1434 run_exception_test(dpe_exception_handler, &info, single_ret, sizeof(single_ret), PAGE_NOACCESS);
1435 ok(info.exception_caught == TRUE, "Execution of disabled memory succeeded\n");
1436 ok(info.exception_info == EXCEPTION_READ_FAULT,
1437 "Access violation type: %08x\n", (unsigned)info.exception_info);
1438 }
1439 else
1440 skip("DEP is in AlwaysOn state\n");
1441
1442 if(!is_permanent)
1443 {
1444 /* Turn off DEP permanently */
1445 val = MEM_EXECUTE_OPTION_ENABLE | MEM_EXECUTE_OPTION_PERMANENT;
1446 stat = pNtSetInformationProcess(GetCurrentProcess(), ProcessExecuteFlags, &val, sizeof val);
1447 ok(stat == STATUS_SUCCESS, "disabling DEP permanently: status %08x\n", stat);
1448 }
1449
1450 /* Try to turn off DEP */
1451 val = MEM_EXECUTE_OPTION_ENABLE;
1452 stat = pNtSetInformationProcess(GetCurrentProcess(), ProcessExecuteFlags, &val, sizeof val);
1453 ok(stat == STATUS_ACCESS_DENIED, "disabling DEP while permanent: status %08x\n", stat);
1454
1455 /* Try to turn on DEP */
1456 val = MEM_EXECUTE_OPTION_DISABLE;
1457 stat = pNtSetInformationProcess(GetCurrentProcess(), ProcessExecuteFlags, &val, sizeof val);
1458 ok(stat == STATUS_ACCESS_DENIED, "enabling DEP while permanent: status %08x\n", stat);
1459 }
1460
1461 static void test_thread_context(void)
1462 {
1463 CONTEXT context;
1464 NTSTATUS status;
1465 struct expected
1466 {
1467 DWORD Eax, Ebx, Ecx, Edx, Esi, Edi, Ebp, Esp, Eip,
1468 SegCs, SegDs, SegEs, SegFs, SegGs, SegSs, EFlags, prev_frame;
1469 } expect;
1470 NTSTATUS (*func_ptr)( struct expected *res, void *func, void *arg1, void *arg2 ) = (void *)code_mem;
1471
1472 static const BYTE call_func[] =
1473 {
1474 0x55, /* pushl %ebp */
1475 0x89, 0xe5, /* mov %esp,%ebp */
1476 0x50, /* pushl %eax ; add a bit of offset to the stack */
1477 0x50, /* pushl %eax */
1478 0x50, /* pushl %eax */
1479 0x50, /* pushl %eax */
1480 0x8b, 0x45, 0x08, /* mov 0x8(%ebp),%eax */
1481 0x8f, 0x00, /* popl (%eax) */
1482 0x89, 0x58, 0x04, /* mov %ebx,0x4(%eax) */
1483 0x89, 0x48, 0x08, /* mov %ecx,0x8(%eax) */
1484 0x89, 0x50, 0x0c, /* mov %edx,0xc(%eax) */
1485 0x89, 0x70, 0x10, /* mov %esi,0x10(%eax) */
1486 0x89, 0x78, 0x14, /* mov %edi,0x14(%eax) */
1487 0x89, 0x68, 0x18, /* mov %ebp,0x18(%eax) */
1488 0x89, 0x60, 0x1c, /* mov %esp,0x1c(%eax) */
1489 0xff, 0x75, 0x04, /* pushl 0x4(%ebp) */
1490 0x8f, 0x40, 0x20, /* popl 0x20(%eax) */
1491 0x8c, 0x48, 0x24, /* mov %cs,0x24(%eax) */
1492 0x8c, 0x58, 0x28, /* mov %ds,0x28(%eax) */
1493 0x8c, 0x40, 0x2c, /* mov %es,0x2c(%eax) */
1494 0x8c, 0x60, 0x30, /* mov %fs,0x30(%eax) */
1495 0x8c, 0x68, 0x34, /* mov %gs,0x34(%eax) */
1496 0x8c, 0x50, 0x38, /* mov %ss,0x38(%eax) */
1497 0x9c, /* pushf */
1498 0x8f, 0x40, 0x3c, /* popl 0x3c(%eax) */
1499 0xff, 0x75, 0x00, /* pushl 0x0(%ebp) ; previous stack frame */
1500 0x8f, 0x40, 0x40, /* popl 0x40(%eax) */
1501 0x8b, 0x00, /* mov (%eax),%eax */
1502 0xff, 0x75, 0x14, /* pushl 0x14(%ebp) */
1503 0xff, 0x75, 0x10, /* pushl 0x10(%ebp) */
1504 0xff, 0x55, 0x0c, /* call *0xc(%ebp) */
1505 0xc9, /* leave */
1506 0xc3, /* ret */
1507 };
1508
1509 memcpy( func_ptr, call_func, sizeof(call_func) );
1510
1511 #define COMPARE(reg) \
1512 ok( context.reg == expect.reg, "wrong " #reg " %08x/%08x\n", context.reg, expect.reg )
1513
1514 memset( &context, 0xcc, sizeof(context) );
1515 memset( &expect, 0xcc, sizeof(expect) );
1516 func_ptr( &expect, pRtlCaptureContext, &context, 0 );
1517 trace( "expect: eax=%08x ebx=%08x ecx=%08x edx=%08x esi=%08x edi=%08x ebp=%08x esp=%08x "
1518 "eip=%08x cs=%04x ds=%04x es=%04x fs=%04x gs=%04x ss=%04x flags=%08x prev=%08x\n",
1519 expect.Eax, expect.Ebx, expect.Ecx, expect.Edx, expect.Esi, expect.Edi,
1520 expect.Ebp, expect.Esp, expect.Eip, expect.SegCs, expect.SegDs, expect.SegEs,
1521 expect.SegFs, expect.SegGs, expect.SegSs, expect.EFlags, expect.prev_frame );
1522 trace( "actual: eax=%08x ebx=%08x ecx=%08x edx=%08x esi=%08x edi=%08x ebp=%08x esp=%08x "
1523 "eip=%08x cs=%04x ds=%04x es=%04x fs=%04x gs=%04x ss=%04x flags=%08x\n",
1524 context.Eax, context.Ebx, context.Ecx, context.Edx, context.Esi, context.Edi,
1525 context.Ebp, context.Esp, context.Eip, context.SegCs, context.SegDs, context.SegEs,
1526 context.SegFs, context.SegGs, context.SegSs, context.EFlags );
1527
1528 ok( context.ContextFlags == (CONTEXT_CONTROL | CONTEXT_INTEGER | CONTEXT_SEGMENTS) ||
1529 broken( context.ContextFlags == 0xcccccccc ), /* <= vista */
1530 "wrong flags %08x\n", context.ContextFlags );
1531 COMPARE( Eax );
1532 COMPARE( Ebx );
1533 COMPARE( Ecx );
1534 COMPARE( Edx );
1535 COMPARE( Esi );
1536 COMPARE( Edi );
1537 COMPARE( Eip );
1538 COMPARE( SegCs );
1539 COMPARE( SegDs );
1540 COMPARE( SegEs );
1541 COMPARE( SegFs );
1542 COMPARE( SegGs );
1543 COMPARE( SegSs );
1544 COMPARE( EFlags );
1545 /* Ebp is from the previous stackframe */
1546 ok( context.Ebp == expect.prev_frame, "wrong Ebp %08x/%08x\n", context.Ebp, expect.prev_frame );
1547 /* Esp is the value on entry to the previous stackframe */
1548 ok( context.Esp == expect.Ebp + 8, "wrong Esp %08x/%08x\n", context.Esp, expect.Ebp + 8 );
1549
1550 memset( &context, 0xcc, sizeof(context) );
1551 memset( &expect, 0xcc, sizeof(expect) );
1552 context.ContextFlags = CONTEXT_CONTROL | CONTEXT_INTEGER | CONTEXT_SEGMENTS;
1553 status = func_ptr( &expect, pNtGetContextThread, (void *)GetCurrentThread(), &context );
1554 ok( status == STATUS_SUCCESS, "NtGetContextThread failed %08x\n", status );
1555 trace( "expect: eax=%08x ebx=%08x ecx=%08x edx=%08x esi=%08x edi=%08x ebp=%08x esp=%08x "
1556 "eip=%08x cs=%04x ds=%04x es=%04x fs=%04x gs=%04x ss=%04x flags=%08x prev=%08x\n",
1557 expect.Eax, expect.Ebx, expect.Ecx, expect.Edx, expect.Esi, expect.Edi,
1558 expect.Ebp, expect.Esp, expect.Eip, expect.SegCs, expect.SegDs, expect.SegEs,
1559 expect.SegFs, expect.SegGs, expect.SegSs, expect.EFlags, expect.prev_frame );
1560 trace( "actual: eax=%08x ebx=%08x ecx=%08x edx=%08x esi=%08x edi=%08x ebp=%08x esp=%08x "
1561 "eip=%08x cs=%04x ds=%04x es=%04x fs=%04x gs=%04x ss=%04x flags=%08x\n",
1562 context.Eax, context.Ebx, context.Ecx, context.Edx, context.Esi, context.Edi,
1563 context.Ebp, context.Esp, context.Eip, context.SegCs, context.SegDs, context.SegEs,
1564 context.SegFs, context.SegGs, context.SegSs, context.EFlags );
1565 /* Eax, Ecx, Edx, EFlags are not preserved */
1566 COMPARE( Ebx );
1567 COMPARE( Esi );
1568 COMPARE( Edi );
1569 COMPARE( Ebp );
1570 /* Esp is the stack upon entry to NtGetContextThread */
1571 ok( context.Esp == expect.Esp - 12 || context.Esp == expect.Esp - 16,
1572 "wrong Esp %08x/%08x\n", context.Esp, expect.Esp );
1573 /* Eip is somewhere close to the NtGetContextThread implementation */
1574 ok( (char *)context.Eip >= (char *)pNtGetContextThread - 0x10000 &&
1575 (char *)context.Eip <= (char *)pNtGetContextThread + 0x10000,
1576 "wrong Eip %08x/%08x\n", context.Eip, (DWORD)pNtGetContextThread );
1577 ok( *(WORD *)context.Eip == 0xc483 || *(WORD *)context.Eip == 0x08c2 || *(WORD *)context.Eip == 0x8dc3,
1578 "expected 0xc483 or 0x08c2 or 0x8dc3, got %04x\n", *(WORD *)context.Eip );
1579 /* segment registers clear the high word */
1580 ok( context.SegCs == LOWORD(expect.SegCs), "wrong SegCs %08x/%08x\n", context.SegCs, expect.SegCs );
1581 ok( context.SegDs == LOWORD(expect.SegDs), "wrong SegDs %08x/%08x\n", context.SegDs, expect.SegDs );
1582 ok( context.SegEs == LOWORD(expect.SegEs), "wrong SegEs %08x/%08x\n", context.SegEs, expect.SegEs );
1583 ok( context.SegFs == LOWORD(expect.SegFs), "wrong SegFs %08x/%08x\n", context.SegFs, expect.SegFs );
1584 ok( context.SegGs == LOWORD(expect.SegGs), "wrong SegGs %08x/%08x\n", context.SegGs, expect.SegGs );
1585 ok( context.SegSs == LOWORD(expect.SegSs), "wrong SegSs %08x/%08x\n", context.SegSs, expect.SegGs );
1586 #undef COMPARE
1587 }
1588
1589 #elif defined(__x86_64__)
1590
1591 #define is_wow64 0
1592
1593 #define UNW_FLAG_NHANDLER 0
1594 #define UNW_FLAG_EHANDLER 1
1595 #define UNW_FLAG_UHANDLER 2
1596 #define UNW_FLAG_CHAININFO 4
1597
1598 #define UWOP_PUSH_NONVOL 0
1599 #define UWOP_ALLOC_LARGE 1
1600 #define UWOP_ALLOC_SMALL 2
1601 #define UWOP_SET_FPREG 3
1602 #define UWOP_SAVE_NONVOL 4
1603 #define UWOP_SAVE_NONVOL_FAR 5
1604 #define UWOP_SAVE_XMM128 8
1605 #define UWOP_SAVE_XMM128_FAR 9
1606 #define UWOP_PUSH_MACHFRAME 10
1607
1608 struct results
1609 {
1610 int rip_offset; /* rip offset from code start */
1611 int rbp_offset; /* rbp offset from stack pointer */
1612 int handler; /* expect handler to be set? */
1613 int rip; /* expected final rip value */
1614 int frame; /* expected frame return value */
1615 int regs[8][2]; /* expected values for registers */
1616 };
1617
1618 struct unwind_test
1619 {
1620 const BYTE *function;
1621 size_t function_size;
1622 const BYTE *unwind_info;
1623 const struct results *results;
1624 unsigned int nb_results;
1625 };
1626
1627 enum regs
1628 {
1629 rax, rcx, rdx, rbx, rsp, rbp, rsi, rdi,
1630 r8, r9, r10, r11, r12, r13, r14, r15
1631 };
1632
1633 static const char * const reg_names[16] =
1634 {
1635 "rax", "rcx", "rdx", "rbx", "rsp", "rbp", "rsi", "rdi",
1636 "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15"
1637 };
1638
1639 #define UWOP(code,info) (UWOP_##code | ((info) << 4))
1640
1641 static void call_virtual_unwind( int testnum, const struct unwind_test *test )
1642 {
1643 static const int code_offset = 1024;
1644 static const int unwind_offset = 2048;
1645 void *handler, *data;
1646 CONTEXT context;
1647 RUNTIME_FUNCTION runtime_func;
1648 KNONVOLATILE_CONTEXT_POINTERS ctx_ptr;
1649 UINT i, j, k;
1650 ULONG64 fake_stack[256];
1651 ULONG64 frame, orig_rip, orig_rbp, unset_reg;
1652 UINT unwind_size = 4 + 2 * test->unwind_info[2] + 8;
1653
1654 memcpy( (char *)code_mem + code_offset, test->function, test->function_size );
1655 memcpy( (char *)code_mem + unwind_offset, test->unwind_info, unwind_size );
1656
1657 runtime_func.BeginAddress = code_offset;
1658 runtime_func.EndAddress = code_offset + test->function_size;
1659 runtime_func.UnwindData = unwind_offset;
1660
1661 trace( "code: %p stack: %p\n", code_mem, fake_stack );
1662
1663 for (i = 0; i < test->nb_results; i++)
1664 {
1665 memset( &ctx_ptr, 0, sizeof(ctx_ptr) );
1666 memset( &context, 0x55, sizeof(context) );
1667 memset( &unset_reg, 0x55, sizeof(unset_reg) );
1668 for (j = 0; j < 256; j++) fake_stack[j] = j * 8;
1669
1670 context.Rsp = (ULONG_PTR)fake_stack;
1671 context.Rbp = (ULONG_PTR)fake_stack + test->results[i].rbp_offset;
1672 orig_rbp = context.Rbp;
1673 orig_rip = (ULONG64)code_mem + code_offset + test->results[i].rip_offset;
1674
1675 trace( "%u/%u: rip=%p (%02x) rbp=%p rsp=%p\n", testnum, i,
1676 (void *)orig_rip, *(BYTE *)orig_rip, (void *)orig_rbp, (void *)context.Rsp );
1677
1678 data = (void *)0xdeadbeef;
1679 handler = RtlVirtualUnwind( UNW_FLAG_EHANDLER, (ULONG64)code_mem, orig_rip,
1680 &runtime_func, &context, &data, &frame, &ctx_ptr );
1681 if (test->results[i].handler)
1682 {
1683 ok( (char *)handler == (char *)code_mem + 0x200,
1684 "%u/%u: wrong handler %p/%p\n", testnum, i, handler, (char *)code_mem + 0x200 );
1685 if (handler) ok( *(DWORD *)data == 0x08070605,
1686 "%u/%u: wrong handler data %p\n", testnum, i, data );
1687 }
1688 else
1689 {
1690 ok( handler == NULL, "%u/%u: handler %p instead of NULL\n", testnum, i, handler );
1691 ok( data == (void *)0xdeadbeef, "%u/%u: handler data set to %p\n", testnum, i, data );
1692 }
1693
1694 ok( context.Rip == test->results[i].rip, "%u/%u: wrong rip %p/%x\n",
1695 testnum, i, (void *)context.Rip, test->results[i].rip );
1696 ok( frame == (ULONG64)fake_stack + test->results[i].frame, "%u/%u: wrong frame %p/%p\n",
1697 testnum, i, (void *)frame, (char *)fake_stack + test->results[i].frame );
1698
1699 for (j = 0; j < 16; j++)
1700 {
1701 static const UINT nb_regs = sizeof(test->results[i].regs) / sizeof(test->results[i].regs[0]);
1702
1703 for (k = 0; k < nb_regs; k++)
1704 {
1705 if (test->results[i].regs[k][0] == -1)
1706 {
1707 k = nb_regs;
1708 break;
1709 }
1710 if (test->results[i].regs[k][0] == j) break;
1711 }
1712
1713 if (j == rsp) /* rsp is special */
1714 {
1715 ok( !ctx_ptr.u2.IntegerContext[j],
1716 "%u/%u: rsp should not be set in ctx_ptr\n", testnum, i );
1717 ok( context.Rsp == (ULONG64)fake_stack + test->results[i].regs[k][1],
1718 "%u/%u: register rsp wrong %p/%p\n",
1719 testnum, i, (void *)context.Rsp, (char *)fake_stack + test->results[i].regs[k][1] );
1720 continue;
1721 }
1722
1723 if (ctx_ptr.u2.IntegerContext[j])
1724 {
1725 ok( k < nb_regs, "%u/%u: register %s should not be set to %lx\n",
1726 testnum, i, reg_names[j], *(&context.Rax + j) );
1727 if (k < nb_regs)
1728 ok( *(&context.Rax + j) == test->results[i].regs[k][1],
1729 "%u/%u: register %s wrong %p/%x\n",
1730 testnum, i, reg_names[j], (void *)*(&context.Rax + j), test->results[i].regs[k][1] );
1731 }
1732 else
1733 {
1734 ok( k == nb_regs, "%u/%u: register %s should be set\n", testnum, i, reg_names[j] );
1735 if (j == rbp)
1736 ok( context.Rbp == orig_rbp, "%u/%u: register rbp wrong %p/unset\n",
1737 testnum, i, (void *)context.Rbp );
1738 else
1739 ok( *(&context.Rax + j) == unset_reg,
1740 "%u/%u: register %s wrong %p/unset\n",
1741 testnum, i, reg_names[j], (void *)*(&context.Rax + j));
1742 }
1743 }
1744 }
1745 }
1746
1747 static void test_virtual_unwind(void)
1748 {
1749 static const BYTE function_0[] =
1750 {
1751 0xff, 0xf5, /* 00: push %rbp */
1752 0x48, 0x81, 0xec, 0x10, 0x01, 0x00, 0x00, /* 02: sub $0x110,%rsp */
1753 0x48, 0x8d, 0x6c, 0x24, 0x30, /* 09: lea 0x30(%rsp),%rbp */
1754 0x48, 0x89, 0x9d, 0xf0, 0x00, 0x00, 0x00, /* 0e: mov %rbx,0xf0(%rbp) */
1755 0x48, 0x89, 0xb5, 0xf8, 0x00, 0x00, 0x00, /* 15: mov %rsi,0xf8(%rbp) */
1756 0x90, /* 1c: nop */
1757 0x48, 0x8b, 0x9d, 0xf0, 0x00, 0x00, 0x00, /* 1d: mov 0xf0(%rbp),%rbx */
1758 0x48, 0x8b, 0xb5, 0xf8, 0x00, 0x00, 0x00, /* 24: mov 0xf8(%rbp),%rsi */
1759 0x48, 0x8d, 0xa5, 0xe0, 0x00, 0x00, 0x00, /* 2b: lea 0xe0(%rbp),%rsp */
1760 0x5d, /* 32: pop %rbp */
1761 0xc3 /* 33: ret */
1762 };
1763
1764 static const BYTE unwind_info_0[] =
1765 {
1766 1 | (UNW_FLAG_EHANDLER << 3), /* version + flags */
1767 0x1c, /* prolog size */
1768 8, /* opcode count */
1769 (0x03 << 4) | rbp, /* frame reg rbp offset 0x30 */
1770
1771 0x1c, UWOP(SAVE_NONVOL, rsi), 0x25, 0, /* 1c: mov %rsi,0x128(%rsp) */
1772 0x15, UWOP(SAVE_NONVOL, rbx), 0x24, 0, /* 15: mov %rbx,0x120(%rsp) */
1773 0x0e, UWOP(SET_FPREG, rbp), /* 0e: lea 0x30(%rsp),rbp */
1774 0x09, UWOP(ALLOC_LARGE, 0), 0x22, 0, /* 09: sub $0x110,%rsp */
1775 0x02, UWOP(PUSH_NONVOL, rbp), /* 02: push %rbp */
1776
1777 0x00, 0x02, 0x00, 0x00, /* handler */
1778 0x05, 0x06, 0x07, 0x08, /* data */
1779 };
1780
1781 static const struct results results_0[] =
1782 {
1783 /* offset rbp handler rip frame registers */
1784 { 0x00, 0x40, FALSE, 0x000, 0x000, { {rsp,0x008}, {-1,-1} }},
1785 { 0x02, 0x40, FALSE, 0x008, 0x000, { {rsp,0x010}, {rbp,0x000}, {-1,-1} }},
1786 { 0x09, 0x40, FALSE, 0x118, 0x000, { {rsp,0x120}, {rbp,0x110}, {-1,-1} }},
1787 { 0x0e, 0x40, FALSE, 0x128, 0x010, { {rsp,0x130}, {rbp,0x120}, {-1,-1} }},
1788 { 0x15, 0x40, FALSE, 0x128, 0x010, { {rsp,0x130}, {rbp,0x120}, {rbx,0x130}, {-1,-1} }},
1789 { 0x1c, 0x40, TRUE, 0x128, 0x010, { {rsp,0x130}, {rbp,0x120}, {rbx,0x130}, {rsi,0x138}, {-1,-1}}},
1790 { 0x1d, 0x40, TRUE, 0x128, 0x010, { {rsp,0x130}, {rbp,0x120}, {rbx,0x130}, {rsi,0x138}, {-1,-1}}},
1791 { 0x24, 0x40, TRUE, 0x128, 0x010, { {rsp,0x130}, {rbp,0x120}, {rbx,0x130}, {rsi,0x138}, {-1,-1}}},
1792 { 0x2b, 0x40, FALSE, 0x128, 0x010, { {rsp,0x130}, {rbp,0x120}, {-1,-1}}},
1793 { 0x32, 0x40, FALSE, 0x008, 0x010, { {rsp,0x010}, {rbp,0x000}, {-1,-1}}},
1794 { 0x33, 0x40, FALSE, 0x000, 0x010, { {rsp,0x008}, {-1,-1}}},
1795 };
1796
1797
1798 static const BYTE function_1[] =
1799 {
1800 0x53, /* 00: push %rbx */
1801 0x55, /* 01: push %rbp */
1802 0x56, /* 02: push %rsi */
1803 0x57, /* 03: push %rdi */
1804 0x41, 0x54, /* 04: push %r12 */
1805 0x48, 0x83, 0xec, 0x30, /* 06: sub $0x30,%rsp */
1806 0x90, 0x90, /* 0a: nop; nop */
1807 0x48, 0x83, 0xc4, 0x30, /* 0c: add $0x30,%rsp */
1808 0x41, 0x5c, /* 10: pop %r12 */
1809 0x5f, /* 12: pop %rdi */
1810 0x5e, /* 13: pop %rsi */
1811 0x5d, /* 14: pop %rbp */
1812 0x5b, /* 15: pop %rbx */
1813 0xc3 /* 16: ret */
1814 };
1815
1816 static const BYTE unwind_info_1[] =
1817 {
1818 1 | (UNW_FLAG_EHANDLER << 3), /* version + flags */
1819 0x0a, /* prolog size */
1820 6, /* opcode count */
1821 0, /* frame reg */
1822
1823 0x0a, UWOP(ALLOC_SMALL, 5), /* 0a: sub $0x30,%rsp */
1824 0x06, UWOP(PUSH_NONVOL, r12), /* 06: push %r12 */
1825 0x04, UWOP(PUSH_NONVOL, rdi), /* 04: push %rdi */
1826 0x03, UWOP(PUSH_NONVOL, rsi), /* 03: push %rsi */
1827 0x02, UWOP(PUSH_NONVOL, rbp), /* 02: push %rbp */
1828 0x01, UWOP(PUSH_NONVOL, rbx), /* 01: push %rbx */
1829
1830 0x00, 0x02, 0x00, 0x00, /* handler */
1831 0x05, 0x06, 0x07, 0x08, /* data */
1832 };
1833
1834 static const struct results results_1[] =
1835 {
1836 /* offset rbp handler rip frame registers */
1837 { 0x00, 0x50, FALSE, 0x000, 0x000, { {rsp,0x008}, {-1,-1} }},
1838 { 0x01, 0x50, FALSE, 0x008, 0x000, { {rsp,0x010}, {rbx,0x000}, {-1,-1} }},
1839 { 0x02, 0x50, FALSE, 0x010, 0x000, { {rsp,0x018}, {rbx,0x008}, {rbp,0x000}, {-1,-1} }},
1840 { 0x03, 0x50, FALSE, 0x018, 0x000, { {rsp,0x020}, {rbx,0x010}, {rbp,0x008}, {rsi,0x000}, {-1,-1} }},
1841 { 0x04, 0x50, FALSE, 0x020, 0x000, { {rsp,0x028}, {rbx,0x018}, {rbp,0x010}, {rsi,0x008}, {rdi,0x000}, {-1,-1} }},
1842 { 0x06, 0x50, FALSE, 0x028, 0x000, { {rsp,0x030}, {rbx,0x020}, {rbp,0x018}, {rsi,0x010}, {rdi,0x008}, {r12,0x000}, {-1,-1} }},
1843 { 0x0a, 0x50, TRUE, 0x058, 0x000, { {rsp,0x060}, {rbx,0x050}, {rbp,0x048}, {rsi,0x040}, {rdi,0x038}, {r12,0x030}, {-1,-1} }},
1844 { 0x0c, 0x50, FALSE, 0x058, 0x000, { {rsp,0x060}, {rbx,0x050}, {rbp,0x048}, {rsi,0x040}, {rdi,0x038}, {r12,0x030}, {-1,-1} }},
1845 { 0x10, 0x50, FALSE, 0x028, 0x000, { {rsp,0x030}, {rbx,0x020}, {rbp,0x018}, {rsi,0x010}, {rdi,0x008}, {r12,0x000}, {-1,-1} }},
1846 { 0x12, 0x50, FALSE, 0x020, 0x000, { {rsp,0x028}, {rbx,0x018}, {rbp,0x010}, {rsi,0x008}, {rdi,0x000}, {-1,-1} }},
1847 { 0x13, 0x50, FALSE, 0x018, 0x000, { {rsp,0x020}, {rbx,0x010}, {rbp,0x008}, {rsi,0x000}, {-1,-1} }},
1848 { 0x14, 0x50, FALSE, 0x010, 0x000, { {rsp,0x018}, {rbx,0x008}, {rbp,0x000}, {-1,-1} }},
1849 { 0x15, 0x50, FALSE, 0x008, 0x000, { {rsp,0x010}, {rbx,0x000}, {-1,-1} }},
1850 { 0x16, 0x50, FALSE, 0x000, 0x000, { {rsp,0x008}, {-1,-1} }},
1851 };
1852
1853 static const struct unwind_test tests[] =
1854 {
1855 { function_0, sizeof(function_0), unwind_info_0,
1856 results_0, sizeof(results_0)/sizeof(results_0[0]) },
1857 { function_1, sizeof(function_1), unwind_info_1,
1858 results_1, sizeof(results_1)/sizeof(results_1[0]) }
1859 };
1860 unsigned int i;
1861
1862 for (i = 0; i < sizeof(tests)/sizeof(tests[0]); i++)
1863 call_virtual_unwind( i, &tests[i] );
1864 }
1865
1866 static int consolidate_dummy_called;
1867 static PVOID CALLBACK test_consolidate_dummy(EXCEPTION_RECORD *rec)
1868 {
1869 CONTEXT *ctx = (CONTEXT *)rec->ExceptionInformation[1];
1870 consolidate_dummy_called = 1;
1871 ok(ctx->Rip == 0xdeadbeef, "test_consolidate_dummy failed for Rip, expected: 0xdeadbeef, got: %lx\n", ctx->Rip);
1872 return (PVOID)rec->ExceptionInformation[2];
1873 }
1874
1875 static void test_restore_context(void)
1876 {
1877 SETJMP_FLOAT128 *fltsave;
1878 EXCEPTION_RECORD rec;
1879 _JUMP_BUFFER buf;
1880 CONTEXT ctx;
1881 int i, pass;
1882
1883 if (!pRtlUnwindEx || !pRtlRestoreContext || !pRtlCaptureContext || !p_setjmp)
1884 {
1885 skip("RtlUnwindEx/RtlCaptureContext/RtlRestoreContext/_setjmp not found\n");
1886 return;
1887 }
1888
1889 /* RtlRestoreContext(NULL, NULL); crashes on Windows */
1890
1891 /* test simple case of capture and restore context */
1892 pass = 0;
1893 InterlockedIncrement(&pass); /* interlocked to prevent compiler from moving after capture */
1894 pRtlCaptureContext(&ctx);
1895 if (InterlockedIncrement(&pass) == 2) /* interlocked to prevent compiler from moving before capture */
1896 {
1897 pRtlRestoreContext(&ctx, NULL);
1898 ok(0, "shouldn't be reached\n");
1899 }
1900 else
1901 ok(pass < 4, "unexpected pass %d\n", pass);
1902
1903 /* test with jmp using RltRestoreContext */
1904 pass = 0;
1905 InterlockedIncrement(&pass);
1906 RtlCaptureContext(&ctx);
1907 InterlockedIncrement(&pass); /* only called once */
1908 p_setjmp(&buf);
1909 InterlockedIncrement(&pass);
1910 if (pass == 3)
1911 {
1912 rec.ExceptionCode = STATUS_LONGJUMP;
1913 rec.NumberParameters = 1;
1914 rec.ExceptionInformation[0] = (DWORD64)&buf;
1915
1916 /* uses buf.Rip instead of ctx.Rip */
1917 pRtlRestoreContext(&ctx, &rec);
1918 ok(0, "shouldn't be reached\n");
1919 }
1920 else if (pass == 4)
1921 {
1922 ok(buf.Rbx == ctx.Rbx, "longjmp failed for Rbx, expected: %lx, got: %lx\n", buf.Rbx, ctx.Rbx);
1923 ok(buf.Rsp == ctx.Rsp, "longjmp failed for Rsp, expected: %lx, got: %lx\n", buf.Rsp, ctx.Rsp);
1924 ok(buf.Rbp == ctx.Rbp, "longjmp failed for Rbp, expected: %lx, got: %lx\n", buf.Rbp, ctx.Rbp);
1925 ok(buf.Rsi == ctx.Rsi, "longjmp failed for Rsi, expected: %lx, got: %lx\n", buf.Rsi, ctx.Rsi);
1926 ok(buf.Rdi == ctx.Rdi, "longjmp failed for Rdi, expected: %lx, got: %lx\n", buf.Rdi, ctx.Rdi);
1927 ok(buf.R12 == ctx.R12, "longjmp failed for R12, expected: %lx, got: %lx\n", buf.R12, ctx.R12);
1928 ok(buf.R13 == ctx.R13, "longjmp failed for R13, expected: %lx, got: %lx\n", buf.R13, ctx.R13);
1929 ok(buf.R14 == ctx.R14, "longjmp failed for R14, expected: %lx, got: %lx\n", buf.R14, ctx.R14);
1930 ok(buf.R15 == ctx.R15, "longjmp failed for R15, expected: %lx, got: %lx\n", buf.R15, ctx.R15);
1931
1932 fltsave = &buf.Xmm6;
1933 for (i = 0; i < 10; i++)
1934 {
1935 ok(fltsave[i].Part[0] == ctx.u.FltSave.XmmRegisters[i + 6].Low,
1936 "longjmp failed for Xmm%d, expected %lx, got %lx\n", i + 6,
1937 fltsave[i].Part[0], ctx.u.FltSave.XmmRegisters[i + 6].Low);
1938
1939 ok(fltsave[i].Part[1] == ctx.u.FltSave.XmmRegisters[i + 6].High,
1940 "longjmp failed for Xmm%d, expected %lx, got %lx\n", i + 6,
1941 fltsave[i].Part[1], ctx.u.FltSave.XmmRegisters[i + 6].High);
1942 }
1943 }
1944 else
1945 ok(0, "unexpected pass %d\n", pass);
1946
1947 /* test with jmp through RtlUnwindEx */
1948 pass = 0;
1949 InterlockedIncrement(&pass);
1950 pRtlCaptureContext(&ctx);
1951 InterlockedIncrement(&pass); /* only called once */
1952 p_setjmp(&buf);
1953 InterlockedIncrement(&pass);
1954 if (pass == 3)
1955 {
1956 rec.ExceptionCode = STATUS_LONGJUMP;
1957 rec.NumberParameters = 1;
1958 rec.ExceptionInformation[0] = (DWORD64)&buf;
1959
1960 /* uses buf.Rip instead of bogus 0xdeadbeef */
1961 pRtlUnwindEx((void*)buf.Rsp, (void*)0xdeadbeef, &rec, NULL, &ctx, NULL);
1962 ok(0, "shouldn't be reached\n");
1963 }
1964 else
1965 ok(pass == 4, "unexpected pass %d\n", pass);
1966
1967
1968 /* test with consolidate */
1969 pass = 0;
1970 InterlockedIncrement(&pass);
1971 RtlCaptureContext(&ctx);
1972 InterlockedIncrement(&pass);
1973 if (pass == 2)
1974 {
1975 rec.ExceptionCode = STATUS_UNWIND_CONSOLIDATE;
1976 rec.NumberParameters = 3;
1977 rec.ExceptionInformation[0] = (DWORD64)test_consolidate_dummy;
1978 rec.ExceptionInformation[1] = (DWORD64)&ctx;
1979 rec.ExceptionInformation[2] = ctx.Rip;
1980 ctx.Rip = 0xdeadbeef;
1981
1982 pRtlRestoreContext(&ctx, &rec);
1983 ok(0, "shouldn't be reached\n");
1984 }
1985 else if (pass == 3)
1986 ok(consolidate_dummy_called, "test_consolidate_dummy not called\n");
1987 else
1988 ok(0, "unexpected pass %d\n", pass);
1989 }
1990
1991 static RUNTIME_FUNCTION* CALLBACK dynamic_unwind_callback( DWORD64 pc, PVOID context )
1992 {
1993 static const int code_offset = 1024;
1994 static RUNTIME_FUNCTION runtime_func;
1995 (*(DWORD *)context)++;
1996
1997 runtime_func.BeginAddress = code_offset + 16;
1998 runtime_func.EndAddress = code_offset + 32;
1999 runtime_func.UnwindData = 0;
2000 return &runtime_func;
2001 }
2002
2003 static void test_dynamic_unwind(void)
2004 {
2005 static const int code_offset = 1024;
2006 char buf[sizeof(RUNTIME_FUNCTION) + 4];
2007 RUNTIME_FUNCTION *runtime_func, *func;
2008 ULONG_PTR table, base;
2009 DWORD count;
2010
2011 /* Test RtlAddFunctionTable with aligned RUNTIME_FUNCTION pointer */
2012 runtime_func = (RUNTIME_FUNCTION *)buf;
2013 runtime_func->BeginAddress = code_offset;
2014 runtime_func->EndAddress = code_offset + 16;
2015 runtime_func->UnwindData = 0;
2016 ok( pRtlAddFunctionTable( runtime_func, 1, (ULONG_PTR)code_mem ),
2017 "RtlAddFunctionTable failed for runtime_func = %p (aligned)\n", runtime_func );
2018
2019 /* Lookup function outside of any function table */
2020 base = 0xdeadbeef;
2021 func = pRtlLookupFunctionEntry( (ULONG_PTR)code_mem + code_offset + 16, &base, NULL );
2022 ok( func == NULL,
2023 "RtlLookupFunctionEntry returned unexpected function, expected: NULL, got: %p\n", func );
2024 ok( !base || broken(base == 0xdeadbeef),
2025 "RtlLookupFunctionEntry modified base address, expected: 0, got: %lx\n", base );
2026
2027 /* Test with pointer inside of our function */
2028 base = 0xdeadbeef;
2029 func = pRtlLookupFunctionEntry( (ULONG_PTR)code_mem + code_offset + 8, &base, NULL );
2030 ok( func == runtime_func,
2031 "RtlLookupFunctionEntry didn't return expected function, expected: %p, got: %p\n", runtime_func, func );
2032 ok( base == (ULONG_PTR)code_mem,
2033 "RtlLookupFunctionEntry returned invalid base, expected: %lx, got: %lx\n", (ULONG_PTR)code_mem, base );
2034
2035 /* Test RtlDeleteFunctionTable */
2036 ok( pRtlDeleteFunctionTable( runtime_func ),
2037 "RtlDeleteFunctionTable failed for runtime_func = %p (aligned)\n", runtime_func );
2038 ok( !pRtlDeleteFunctionTable( runtime_func ),
2039 "RtlDeleteFunctionTable returned success for nonexistent table runtime_func = %p\n", runtime_func );
2040
2041 /* Unaligned RUNTIME_FUNCTION pointer */
2042 runtime_func = (RUNTIME_FUNCTION *)((ULONG_PTR)buf | 0x3);
2043 runtime_func->BeginAddress = code_offset;
2044 runtime_func->EndAddress = code_offset + 16;
2045 runtime_func->UnwindData = 0;
2046 ok( pRtlAddFunctionTable( runtime_func, 1, (ULONG_PTR)code_mem ),
2047 "RtlAddFunctionTable failed for runtime_func = %p (unaligned)\n", runtime_func );
2048 ok( pRtlDeleteFunctionTable( runtime_func ),
2049 "RtlDeleteFunctionTable failed for runtime_func = %p (unaligned)\n", runtime_func );
2050
2051 /* Attempt to insert the same entry twice */
2052 runtime_func = (RUNTIME_FUNCTION *)buf;
2053 runtime_func->BeginAddress = code_offset;
2054 runtime_func->EndAddress = code_offset + 16;
2055 runtime_func->UnwindData = 0;
2056 ok( pRtlAddFunctionTable( runtime_func, 1, (ULONG_PTR)code_mem ),
2057 "RtlAddFunctionTable failed for runtime_func = %p (first attempt)\n", runtime_func );
2058 ok( pRtlAddFunctionTable( runtime_func, 1, (ULONG_PTR)code_mem ),
2059 "RtlAddFunctionTable failed for runtime_func = %p (second attempt)\n", runtime_func );
2060 ok( pRtlDeleteFunctionTable( runtime_func ),
2061 "RtlDeleteFunctionTable failed for runtime_func = %p (first attempt)\n", runtime_func );
2062 ok( pRtlDeleteFunctionTable( runtime_func ),
2063 "RtlDeleteFunctionTable failed for runtime_func = %p (second attempt)\n", runtime_func );
2064 ok( !pRtlDeleteFunctionTable( runtime_func ),
2065 "RtlDeleteFunctionTable returned success for nonexistent table runtime_func = %p\n", runtime_func );
2066
2067 /* Test RtlInstallFunctionTableCallback with both low bits unset */
2068 table = (ULONG_PTR)code_mem;
2069 ok( !pRtlInstallFunctionTableCallback( table, (ULONG_PTR)code_mem, code_offset + 32, &dynamic_unwind_callback, (PVOID*)&count, NULL ),
2070 "RtlInstallFunctionTableCallback returned success for table = %lx\n", table );
2071
2072 /* Test RtlInstallFunctionTableCallback with both low bits set */
2073 table = (ULONG_PTR)code_mem | 0x3;
2074 ok( pRtlInstallFunctionTableCallback( table, (ULONG_PTR)code_mem, code_offset + 32, &dynamic_unwind_callback, (PVOID*)&count, NULL ),
2075 "RtlInstallFunctionTableCallback failed for table = %lx\n", table );
2076
2077 /* Lookup function outside of any function table */
2078 count = 0;
2079 base = 0xdeadbeef;
2080 func = pRtlLookupFunctionEntry( (ULONG_PTR)code_mem + code_offset + 32, &base, NULL );
2081 ok( func == NULL,
2082 "RtlLookupFunctionEntry returned unexpected function, expected: NULL, got: %p\n", func );
2083 ok( !base || broken(base == 0xdeadbeef),
2084 "RtlLookupFunctionEntry modified base address, expected: 0, got: %lx\n", base );
2085 ok( !count,
2086 "RtlLookupFunctionEntry issued %d unexpected calls to dynamic_unwind_callback\n", count );
2087
2088 /* Test with pointer inside of our function */
2089 count = 0;
2090 base = 0xdeadbeef;
2091 func = pRtlLookupFunctionEntry( (ULONG_PTR)code_mem + code_offset + 24, &base, NULL );
2092 ok( func != NULL && func->BeginAddress == code_offset + 16 && func->EndAddress == code_offset + 32,
2093 "RtlLookupFunctionEntry didn't return expected function, got: %p\n", func );
2094 ok( base == (ULONG_PTR)code_mem,
2095 "RtlLookupFunctionEntry returned invalid base, expected: %lx, got: %lx\n", (ULONG_PTR)code_mem, base );
2096 ok( count == 1,
2097 "RtlLookupFunctionEntry issued %d calls to dynamic_unwind_callback, expected: 1\n", count );
2098
2099 /* Clean up again */
2100 ok( pRtlDeleteFunctionTable( (PRUNTIME_FUNCTION)table ),
2101 "RtlDeleteFunctionTable failed for table = %p\n", (PVOID)table );
2102 ok( !pRtlDeleteFunctionTable( (PRUNTIME_FUNCTION)table ),
2103 "RtlDeleteFunctionTable returned success for nonexistent table = %p\n", (PVOID)table );
2104
2105 }
2106
2107 static int termination_handler_called;
2108 static void WINAPI termination_handler(ULONG flags, ULONG64 frame)
2109 {
2110 termination_handler_called++;
2111
2112 ok(flags == 1 || broken(flags == 0x401), "flags = %x\n", flags);
2113 ok(frame == 0x1234, "frame = %p\n", (void*)frame);
2114 }
2115
2116 static void test___C_specific_handler(void)
2117 {
2118 DISPATCHER_CONTEXT dispatch;
2119 EXCEPTION_RECORD rec;
2120 CONTEXT context;
2121 ULONG64 frame;
2122 EXCEPTION_DISPOSITION ret;
2123 SCOPE_TABLE scope_table;
2124
2125 if (!p__C_specific_handler)
2126 {
2127 win_skip("__C_specific_handler not available\n");
2128 return;
2129 }
2130
2131 memset(&rec, 0, sizeof(rec));
2132 rec.ExceptionFlags = 2; /* EH_UNWINDING */
2133 frame = 0x1234;
2134 memset(&dispatch, 0, sizeof(dispatch));
2135 dispatch.ImageBase = (ULONG_PTR)GetModuleHandleA(NULL);
2136 dispatch.ControlPc = dispatch.ImageBase + 0x200;
2137 dispatch.HandlerData = &scope_table;
2138 dispatch.ContextRecord = &context;
2139 scope_table.Count = 1;
2140 scope_table.ScopeRecord[0].BeginAddress = 0x200;
2141 scope_table.ScopeRecord[0].EndAddress = 0x400;
2142 scope_table.ScopeRecord[0].HandlerAddress = (ULONG_PTR)termination_handler-dispatch.ImageBase;
2143 scope_table.ScopeRecord[0].JumpTarget = 0;
2144 memset(&context, 0, sizeof(context));
2145
2146 termination_handler_called = 0;
2147 ret = p__C_specific_handler(&rec, frame, &context, &dispatch);
2148 ok(ret == ExceptionContinueSearch, "__C_specific_handler returned %x\n", ret);
2149 ok(termination_handler_called == 1, "termination_handler_called = %d\n",
2150 termination_handler_called);
2151 ok(dispatch.ScopeIndex == 1, "dispatch.ScopeIndex = %d\n", dispatch.ScopeIndex);
2152
2153 ret = p__C_specific_handler(&rec, frame, &context, &dispatch);
2154 ok(ret == ExceptionContinueSearch, "__C_specific_handler returned %x\n", ret);
2155 ok(termination_handler_called == 1, "termination_handler_called = %d\n",
2156 termination_handler_called);
2157 ok(dispatch.ScopeIndex == 1, "dispatch.ScopeIndex = %d\n", dispatch.ScopeIndex);
2158 }
2159
2160 #endif /* __x86_64__ */
2161
2162 #if defined(__i386__) || defined(__x86_64__)
2163
2164 static DWORD WINAPI register_check_thread(void *arg)
2165 {
2166 NTSTATUS status;
2167 CONTEXT ctx;
2168
2169 memset(&ctx, 0, sizeof(ctx));
2170 ctx.ContextFlags = CONTEXT_DEBUG_REGISTERS;
2171
2172 status = pNtGetContextThread(GetCurrentThread(), &ctx);
2173 ok(status == STATUS_SUCCESS, "NtGetContextThread failed with %x\n", status);
2174 ok(!ctx.Dr0, "expected 0, got %lx\n", (DWORD_PTR)ctx.Dr0);
2175 ok(!ctx.Dr1, "expected 0, got %lx\n", (DWORD_PTR)ctx.Dr1);
2176 ok(!ctx.Dr2, "expected 0, got %lx\n", (DWORD_PTR)ctx.Dr2);
2177 ok(!ctx.Dr3, "expected 0, got %lx\n", (DWORD_PTR)ctx.Dr3);
2178 ok(!ctx.Dr6, "expected 0, got %lx\n", (DWORD_PTR)ctx.Dr6);
2179 ok(!ctx.Dr7, "expected 0, got %lx\n", (DWORD_PTR)ctx.Dr7);
2180
2181 return 0;
2182 }
2183
2184 static void test_debug_registers(void)
2185 {
2186 static const struct
2187 {
2188 ULONG_PTR dr0, dr1, dr2, dr3, dr6, dr7;
2189 }
2190 tests[] =
2191 {
2192 { 0x42424240, 0, 0x126bb070, 0x0badbad0, 0, 0xffff0115 },
2193 { 0x42424242, 0, 0x100f0fe7, 0x0abebabe, 0, 0x115 },
2194 };
2195 NTSTATUS status;
2196 CONTEXT ctx;
2197 HANDLE thread;
2198 int i;
2199
2200 for (i = 0; i < sizeof(tests)/sizeof(tests[0]); i++)
2201 {
2202 memset(&ctx, 0, sizeof(ctx));
2203 ctx.ContextFlags = CONTEXT_DEBUG_REGISTERS;
2204 ctx.Dr0 = tests[i].dr0;
2205 ctx.Dr1 = tests[i].dr1;
2206 ctx.Dr2 = tests[i].dr2;
2207 ctx.Dr3 = tests[i].dr3;
2208 ctx.Dr6 = tests[i].dr6;
2209 ctx.Dr7 = tests[i].dr7;
2210
2211 status = pNtSetContextThread(GetCurrentThread(), &ctx);
2212 ok(status == STATUS_SUCCESS, "NtGetContextThread failed with %08x\n", status);
2213
2214 memset(&ctx, 0, sizeof(ctx));
2215 ctx.ContextFlags = CONTEXT_DEBUG_REGISTERS;
2216
2217 status = pNtGetContextThread(GetCurrentThread(), &ctx);
2218 ok(status == STATUS_SUCCESS, "NtGetContextThread failed with %08x\n", status);
2219 ok(ctx.Dr0 == tests[i].dr0, "test %d: expected %lx, got %lx\n", i, tests[i].dr0, (DWORD_PTR)ctx.Dr0);
2220 ok(ctx.Dr1 == tests[i].dr1, "test %d: expected %lx, got %lx\n", i, tests[i].dr1, (DWORD_PTR)ctx.Dr1);
2221 ok(ctx.Dr2 == tests[i].dr2, "test %d: expected %lx, got %lx\n", i, tests[i].dr2, (DWORD_PTR)ctx.Dr2);
2222 ok(ctx.Dr3 == tests[i].dr3, "test %d: expected %lx, got %lx\n", i, tests[i].dr3, (DWORD_PTR)ctx.Dr3);
2223 ok((ctx.Dr6 & 0xf00f) == tests[i].dr6, "test %d: expected %lx, got %lx\n", i, tests[i].dr6, (DWORD_PTR)ctx.Dr6);
2224 ok((ctx.Dr7 & ~0xdc00) == tests[i].dr7, "test %d: expected %lx, got %lx\n", i, tests[i].dr7, (DWORD_PTR)ctx.Dr7);
2225 }
2226
2227 memset(&ctx, 0, sizeof(ctx));
2228 ctx.ContextFlags = CONTEXT_DEBUG_REGISTERS;
2229 ctx.Dr0 = 0xffffffff;
2230 ctx.Dr1 = 0xffffffff;
2231 ctx.Dr2 = 0xffffffff;
2232 ctx.Dr3 = 0xffffffff;
2233 ctx.Dr6 = 0xffffffff;
2234 ctx.Dr7 = 0x00000400;
2235 status = pNtSetContextThread(GetCurrentThread(), &ctx);
2236 ok(status == STATUS_SUCCESS, "NtSetContextThread failed with %x\n", status);
2237
2238 thread = CreateThread(NULL, 0, register_check_thread, NULL, CREATE_SUSPENDED, NULL);
2239 ok(thread != INVALID_HANDLE_VALUE, "CreateThread failed with %d\n", GetLastError());
2240
2241 ctx.ContextFlags = CONTEXT_DEBUG_REGISTERS;
2242 status = pNtGetContextThread(thread, &ctx);
2243 ok(status == STATUS_SUCCESS, "NtGetContextThread failed with %x\n", status);
2244 ok(!ctx.Dr0, "expected 0, got %lx\n", (DWORD_PTR)ctx.Dr0);
2245 ok(!ctx.Dr1, "expected 0, got %lx\n", (DWORD_PTR)ctx.Dr1);
2246 ok(!ctx.Dr2, "expected 0, got %lx\n", (DWORD_PTR)ctx.Dr2);
2247 ok(!ctx.Dr3, "expected 0, got %lx\n", (DWORD_PTR)ctx.Dr3);
2248 ok(!ctx.Dr6, "expected 0, got %lx\n", (DWORD_PTR)ctx.Dr6);
2249 ok(!ctx.Dr7, "expected 0, got %lx\n", (DWORD_PTR)ctx.Dr7);
2250
2251 ResumeThread(thread);
2252 WaitForSingleObject(thread, 10000);
2253 CloseHandle(thread);
2254 }
2255
2256 static DWORD outputdebugstring_exceptions;
2257
2258 static LONG CALLBACK outputdebugstring_vectored_handler(EXCEPTION_POINTERS *ExceptionInfo)
2259 {
2260 PEXCEPTION_RECORD rec = ExceptionInfo->ExceptionRecord;
2261 trace("vect. handler %08x addr:%p\n", rec->ExceptionCode, rec->ExceptionAddress);
2262
2263 ok(rec->ExceptionCode == DBG_PRINTEXCEPTION_C, "ExceptionCode is %08x instead of %08x\n",
2264 rec->ExceptionCode, DBG_PRINTEXCEPTION_C);
2265 ok(rec->NumberParameters == 2, "ExceptionParameters is %d instead of 2\n", rec->NumberParameters);
2266 ok(rec->ExceptionInformation[0] == 12, "ExceptionInformation[0] = %d instead of 12\n", (DWORD)rec->ExceptionInformation[0]);
2267 ok(!strcmp((char *)rec->ExceptionInformation[1], "Hello World"),
2268 "ExceptionInformation[1] = '%s' instead of 'Hello World'\n", (char *)rec->ExceptionInformation[1]);
2269
2270 outputdebugstring_exceptions++;
2271 return EXCEPTION_CONTINUE_SEARCH;
2272 }
2273
2274 static void test_outputdebugstring(DWORD numexc)
2275 {
2276 PVOID vectored_handler;
2277
2278 if (!pRtlAddVectoredExceptionHandler || !pRtlRemoveVectoredExceptionHandler)
2279 {
2280 skip("RtlAddVectoredExceptionHandler or RtlRemoveVectoredExceptionHandler not found\n");
2281 return;
2282 }
2283
2284 vectored_handler = pRtlAddVectoredExceptionHandler(TRUE, &outputdebugstring_vectored_handler);
2285 ok(vectored_handler != 0, "RtlAddVectoredExceptionHandler failed\n");
2286
2287 outputdebugstring_exceptions = 0;
2288 OutputDebugStringA("Hello World");
2289
2290 ok(outputdebugstring_exceptions == numexc, "OutputDebugStringA generated %d exceptions, expected %d\n",
2291 outputdebugstring_exceptions, numexc);
2292
2293 pRtlRemoveVectoredExceptionHandler(vectored_handler);
2294 }
2295
2296 static DWORD ripevent_exceptions;
2297
2298 static LONG CALLBACK ripevent_vectored_handler(EXCEPTION_POINTERS *ExceptionInfo)
2299 {
2300 PEXCEPTION_RECORD rec = ExceptionInfo->ExceptionRecord;
2301 trace("vect. handler %08x addr:%p\n", rec->ExceptionCode, rec->ExceptionAddress);
2302
2303 ok(rec->ExceptionCode == DBG_RIPEXCEPTION, "ExceptionCode is %08x instead of %08x\n",
2304 rec->ExceptionCode, DBG_RIPEXCEPTION);
2305 ok(rec->NumberParameters == 2, "ExceptionParameters is %d instead of 2\n", rec->NumberParameters);
2306 ok(rec->ExceptionInformation[0] == 0x11223344, "ExceptionInformation[0] = %08x instead of %08x\n",
2307 (NTSTATUS)rec->ExceptionInformation[0], 0x11223344);
2308 ok(rec->ExceptionInformation[1] == 0x55667788, "ExceptionInformation[1] = %08x instead of %08x\n",
2309 (NTSTATUS)rec->ExceptionInformation[1], 0x55667788);
2310
2311 ripevent_exceptions++;
2312 return (rec->ExceptionCode == DBG_RIPEXCEPTION) ? EXCEPTION_CONTINUE_EXECUTION : EXCEPTION_CONTINUE_SEARCH;
2313 }
2314
2315 static void test_ripevent(DWORD numexc)
2316 {
2317 EXCEPTION_RECORD record;
2318 PVOID vectored_handler;
2319
2320 if (!pRtlAddVectoredExceptionHandler || !pRtlRemoveVectoredExceptionHandler || !pRtlRaiseException)
2321 {
2322 skip("RtlAddVectoredExceptionHandler or RtlRemoveVectoredExceptionHandler or RtlRaiseException not found\n");
2323 return;
2324 }
2325
2326 vectored_handler = pRtlAddVectoredExceptionHandler(TRUE, &ripevent_vectored_handler);
2327 ok(vectored_handler != 0, "RtlAddVectoredExceptionHandler failed\n");
2328
2329 record.ExceptionCode = DBG_RIPEXCEPTION;
2330 record.ExceptionFlags = 0;
2331 record.ExceptionRecord = NULL;
2332 record.ExceptionAddress = NULL;
2333 record.NumberParameters = 2;
2334 record.ExceptionInformation[0] = 0x11223344;
2335 record.ExceptionInformation[1] = 0x55667788;
2336
2337 ripevent_exceptions = 0;
2338 pRtlRaiseException(&record);
2339 ok(ripevent_exceptions == numexc, "RtlRaiseException generated %d exceptions, expected %d\n",
2340 ripevent_exceptions, numexc);
2341
2342 pRtlRemoveVectoredExceptionHandler(vectored_handler);
2343 }
2344
2345 static DWORD debug_service_exceptions;
2346
2347 static LONG CALLBACK debug_service_handler(EXCEPTION_POINTERS *ExceptionInfo)
2348 {
2349 EXCEPTION_RECORD *rec = ExceptionInfo->ExceptionRecord;
2350 trace("vect. handler %08x addr:%p\n", rec->ExceptionCode, rec->ExceptionAddress);
2351
2352 ok(rec->ExceptionCode == EXCEPTION_BREAKPOINT, "ExceptionCode is %08x instead of %08x\n",
2353 rec->ExceptionCode, EXCEPTION_BREAKPOINT);
2354
2355 #ifdef __i386__
2356 ok(ExceptionInfo->ContextRecord->Eip == (DWORD)code_mem + 0x1c,
2357 "expected Eip = %x, got %x\n", (DWORD)code_mem + 0x1c, ExceptionInfo->ContextRecord->Eip);
2358 ok(rec->NumberParameters == (is_wow64 ? 1 : 3),
2359 "ExceptionParameters is %d instead of %d\n", rec->NumberParameters, is_wow64 ? 1 : 3);
2360 ok(rec->ExceptionInformation[0] == ExceptionInfo->ContextRecord->Eax,
2361 "expected ExceptionInformation[0] = %x, got %lx\n",
2362 ExceptionInfo->ContextRecord->Eax, rec->ExceptionInformation[0]);
2363 if (!is_wow64)
2364 {
2365 ok(rec->ExceptionInformation[1] == 0x11111111,
2366 "got ExceptionInformation[1] = %lx\n", rec->ExceptionInformation[1]);
2367 ok(rec->ExceptionInformation[2] == 0x22222222,
2368 "got ExceptionInformation[2] = %lx\n", rec->ExceptionInformation[2]);
2369 }
2370 #else
2371 ok(ExceptionInfo->ContextRecord->Rip == (DWORD_PTR)code_mem + 0x2f,
2372 "expected Rip = %lx, got %lx\n", (DWORD_PTR)code_mem + 0x2f, ExceptionInfo->ContextRecord->Rip);
2373 ok(rec->NumberParameters == 1,
2374 "ExceptionParameters is %d instead of 1\n", rec->NumberParameters);
2375 ok(rec->ExceptionInformation[0] == ExceptionInfo->ContextRecord->Rax,
2376 "expected ExceptionInformation[0] = %lx, got %lx\n",
2377 ExceptionInfo->ContextRecord->Rax, rec->ExceptionInformation[0]);
2378 #endif
2379
2380 debug_service_exceptions++;
2381 return (rec->ExceptionCode == EXCEPTION_BREAKPOINT) ? EXCEPTION_CONTINUE_EXECUTION : EXCEPTION_CONTINUE_SEARCH;
2382 }
2383
2384 #ifdef __i386__
2385
2386 static const BYTE call_debug_service_code[] = {
2387 0x53, /* pushl %ebx */
2388 0x57, /* pushl %edi */
2389 0x8b, 0x44, 0x24, 0x0c, /* movl 12(%esp),%eax */
2390 0xb9, 0x11, 0x11, 0x11, 0x11, /* movl $0x11111111,%ecx */
2391 0xba, 0x22, 0x22, 0x22, 0x22, /* movl $0x22222222,%edx */
2392 0xbb, 0x33, 0x33, 0x33, 0x33, /* movl $0x33333333,%ebx */
2393 0xbf, 0x44, 0x44, 0x44, 0x44, /* movl $0x44444444,%edi */
2394 0xcd, 0x2d, /* int $0x2d */
2395 0xeb, /* jmp $+17 */
2396 0x0f, 0x1f, 0x00, /* nop */
2397 0x31, 0xc0, /* xorl %eax,%eax */
2398 0xeb, 0x0c, /* jmp $+14 */
2399 0x90, 0x90, 0x90, 0x90, /* nop */
2400 0x90, 0x90, 0x90, 0x90,
2401 0x90,
2402 0x31, 0xc0, /* xorl %eax,%eax */
2403 0x40, /* incl %eax */
2404 0x5f, /* popl %edi */
2405 0x5b, /* popl %ebx */
2406 0xc3, /* ret */
2407 };
2408
2409 #else
2410
2411 static const BYTE call_debug_service_code[] = {
2412 0x53, /* push %rbx */
2413 0x57, /* push %rdi */
2414 0x48, 0x89, 0xc8, /* movl %rcx,%rax */
2415 0x48, 0xb9, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, /* movabs $0x1111111111111111,%rcx */
2416 0x48, 0xba, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, /* movabs $0x2222222222222222,%rdx */
2417 0x48, 0xbb, 0x33, 0x33, 0x33, 0x33, 0x33, 0x33, 0x33, 0x33, /* movabs $0x3333333333333333,%rbx */
2418 0x48, 0xbf, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, /* movabs $0x4444444444444444,%rdi */
2419 0xcd, 0x2d, /* int $0x2d */
2420 0xeb, /* jmp $+17 */
2421 0x0f, 0x1f, 0x00, /* nop */
2422 0x48, 0x31, 0xc0, /* xor %rax,%rax */
2423 0xeb, 0x0e, /* jmp $+16 */
2424 0x90, 0x90, 0x90, 0x90, /* nop */
2425 0x90, 0x90, 0x90, 0x90,
2426 0x48, 0x31, 0xc0, /* xor %rax,%rax */
2427 0x48, 0xff, 0xc0, /* inc %rax */
2428 0x5f, /* pop %rdi */
2429 0x5b, /* pop %rbx */
2430 0xc3, /* ret */
2431 };
2432
2433 #endif
2434
2435 static void test_debug_service(DWORD numexc)
2436 {
2437 DWORD (CDECL *func)(DWORD_PTR) = code_mem;
2438 DWORD expected_exc, expected_ret;
2439 void *vectored_handler;
2440 DWORD ret;
2441
2442 /* code will return 0 if execution resumes immediately after "int $0x2d", otherwise 1 */
2443 memcpy(code_mem, call_debug_service_code, sizeof(call_debug_service_code));
2444
2445 vectored_handler = pRtlAddVectoredExceptionHandler(TRUE, &debug_service_handler);
2446 ok(vectored_handler != 0, "RtlAddVectoredExceptionHandler failed\n");
2447
2448 expected_exc = numexc;
2449 expected_ret = (numexc != 0);
2450
2451 /* BREAKPOINT_BREAK */
2452 debug_service_exceptions = 0;
2453 ret = func(0);
2454 ok(debug_service_exceptions == expected_exc,
2455 "BREAKPOINT_BREAK generated %u exceptions, expected %u\n",
2456 debug_service_exceptions, expected_exc);
2457 ok(ret == expected_ret,
2458 "BREAKPOINT_BREAK returned %u, expected %u\n", ret, expected_ret);
2459
2460 /* BREAKPOINT_PROMPT */
2461 debug_service_exceptions = 0;
2462 ret = func(2);
2463 ok(debug_service_exceptions == expected_exc,
2464 "BREAKPOINT_PROMPT generated %u exceptions, expected %u\n",
2465 debug_service_exceptions, expected_exc);
2466 ok(ret == expected_ret,
2467 "BREAKPOINT_PROMPT returned %u, expected %u\n", ret, expected_ret);
2468
2469 /* invalid debug service */
2470 debug_service_exceptions = 0;
2471 ret = func(6);
2472 ok(debug_service_exceptions == expected_exc,
2473 "invalid debug service generated %u exceptions, expected %u\n",
2474 debug_service_exceptions, expected_exc);
2475 ok(ret == expected_ret,
2476 "invalid debug service returned %u, expected %u\n", ret, expected_ret);
2477
2478 expected_exc = (is_wow64 ? numexc : 0);
2479 expected_ret = (is_wow64 && numexc);
2480
2481 /* BREAKPOINT_PRINT */
2482 debug_service_exceptions = 0;
2483 ret = func(1);
2484 ok(debug_service_exceptions == expected_exc,
2485 "BREAKPOINT_PRINT generated %u exceptions, expected %u\n",
2486 debug_service_exceptions, expected_exc);
2487 ok(ret == expected_ret,
2488 "BREAKPOINT_PRINT returned %u, expected %u\n", ret, expected_ret);
2489
2490 /* BREAKPOINT_LOAD_SYMBOLS */
2491 debug_service_exceptions = 0;
2492 ret = func(3);
2493 ok(debug_service_exceptions == expected_exc,
2494 "BREAKPOINT_LOAD_SYMBOLS generated %u exceptions, expected %u\n",
2495 debug_service_exceptions, expected_exc);
2496 ok(ret == expected_ret,
2497 "BREAKPOINT_LOAD_SYMBOLS returned %u, expected %u\n", ret, expected_ret);
2498
2499 /* BREAKPOINT_UNLOAD_SYMBOLS */
2500 debug_service_exceptions = 0;
2501 ret = func(4);
2502 ok(debug_service_exceptions == expected_exc,
2503 "BREAKPOINT_UNLOAD_SYMBOLS generated %u exceptions, expected %u\n",
2504 debug_service_exceptions, expected_exc);
2505 ok(ret == expected_ret,
2506 "BREAKPOINT_UNLOAD_SYMBOLS returned %u, expected %u\n", ret, expected_ret);
2507
2508 /* BREAKPOINT_COMMAND_STRING */
2509 debug_service_exceptions = 0;
2510 ret = func(5);
2511 ok(debug_service_exceptions == expected_exc || broken(debug_service_exceptions == numexc),
2512 "BREAKPOINT_COMMAND_STRING generated %u exceptions, expected %u\n",
2513 debug_service_exceptions, expected_exc);
2514 ok(ret == expected_ret || broken(ret == (numexc != 0)),
2515 "BREAKPOINT_COMMAND_STRING returned %u, expected %u\n", ret, expected_ret);
2516
2517 pRtlRemoveVectoredExceptionHandler(vectored_handler);
2518 }
2519
2520 static DWORD breakpoint_exceptions;
2521
2522 static LONG CALLBACK breakpoint_handler(EXCEPTION_POINTERS *ExceptionInfo)
2523 {
2524 EXCEPTION_RECORD *rec = ExceptionInfo->ExceptionRecord;
2525 trace("vect. handler %08x addr:%p\n", rec->ExceptionCode, rec->ExceptionAddress);
2526
2527 ok(rec->ExceptionCode == EXCEPTION_BREAKPOINT, "ExceptionCode is %08x instead of %08x\n",
2528 rec->ExceptionCode, EXCEPTION_BREAKPOINT);
2529
2530 #ifdef __i386__
2531 ok(ExceptionInfo->ContextRecord->Eip == (DWORD)code_mem + 1,
2532 "expected Eip = %x, got %x\n", (DWORD)code_mem + 1, ExceptionInfo->ContextRecord->Eip);
2533 ok(rec->NumberParameters == (is_wow64 ? 1 : 3),
2534 "ExceptionParameters is %d instead of %d\n", rec->NumberParameters, is_wow64 ? 1 : 3);
2535 ok(rec->ExceptionInformation[0] == 0,
2536 "got ExceptionInformation[0] = %lx\n", rec->ExceptionInformation[0]);
2537 ExceptionInfo->ContextRecord->Eip = (DWORD)code_mem + 2;
2538 #else
2539 ok(ExceptionInfo->ContextRecord->Rip == (DWORD_PTR)code_mem + 1,
2540 "expected Rip = %lx, got %lx\n", (DWORD_PTR)code_mem + 1, ExceptionInfo->ContextRecord->Rip);
2541 ok(rec->NumberParameters == 1,
2542 "ExceptionParameters is %d instead of 1\n", rec->NumberParameters);
2543 ok(rec->ExceptionInformation[0] == 0,
2544 "got ExceptionInformation[0] = %lx\n", rec->ExceptionInformation[0]);
2545 ExceptionInfo->ContextRecord->Rip = (DWORD_PTR)code_mem + 2;
2546 #endif
2547
2548 breakpoint_exceptions++;
2549 return (rec->ExceptionCode == EXCEPTION_BREAKPOINT) ? EXCEPTION_CONTINUE_EXECUTION : EXCEPTION_CONTINUE_SEARCH;
2550 }
2551
2552 static const BYTE breakpoint_code[] = {
2553 0xcd, 0x03, /* int $0x3 */
2554 0xc3, /* ret */
2555 };
2556
2557 static void test_breakpoint(DWORD numexc)
2558 {
2559 DWORD (CDECL *func)(void) = code_mem;
2560 void *vectored_handler;
2561
2562 memcpy(code_mem, breakpoint_code, sizeof(breakpoint_code));
2563
2564 vectored_handler = pRtlAddVectoredExceptionHandler(TRUE, &breakpoint_handler);
2565 ok(vectored_handler != 0, "RtlAddVectoredExceptionHandler failed\n");
2566
2567 breakpoint_exceptions = 0;
2568 func();
2569 ok(breakpoint_exceptions == numexc, "int $0x3 generated %u exceptions, expected %u\n",
2570 breakpoint_exceptions, numexc);
2571
2572 pRtlRemoveVectoredExceptionHandler(vectored_handler);
2573 }
2574
2575 static DWORD invalid_handle_exceptions;
2576
2577 static LONG CALLBACK invalid_handle_vectored_handler(EXCEPTION_POINTERS *ExceptionInfo)
2578 {
2579 PEXCEPTION_RECORD rec = ExceptionInfo->ExceptionRecord;
2580 trace("vect. handler %08x addr:%p\n", rec->ExceptionCode, rec->ExceptionAddress);
2581
2582 ok(rec->ExceptionCode == EXCEPTION_INVALID_HANDLE, "ExceptionCode is %08x instead of %08x\n",
2583 rec->ExceptionCode, EXCEPTION_INVALID_HANDLE);
2584 ok(rec->NumberParameters == 0, "ExceptionParameters is %d instead of 0\n", rec->NumberParameters);
2585
2586 invalid_handle_exceptions++;
2587 return (rec->ExceptionCode == EXCEPTION_INVALID_HANDLE) ? EXCEPTION_CONTINUE_EXECUTION : EXCEPTION_CONTINUE_SEARCH;
2588 }
2589
2590 static void test_closehandle(DWORD numexc)
2591 {
2592 PVOID vectored_handler;
2593 NTSTATUS status;
2594 DWORD res;
2595
2596 if (!pRtlAddVectoredExceptionHandler || !pRtlRemoveVectoredExceptionHandler || !pRtlRaiseException)
2597 {
2598 skip("RtlAddVectoredExceptionHandler or RtlRemoveVectoredExceptionHandler or RtlRaiseException not found\n");