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"); 2599 return; 2600 } 2601 2602 vectored_handler = pRtlAddVectoredExceptionHandler(TRUE, &invalid_handle_vectored_handler); 2603 ok(vectored_handler != 0, "RtlAddVectoredExceptionHandler failed\n"); 2604 2605 invalid_handle_exceptions = 0; 2606 res = CloseHandle((HANDLE)0xdeadbeef); 2607 ok(!res, "CloseHandle(0xdeadbeef) unexpectedly succeeded\n"); 2608 ok(GetLastError() == ERROR_INVALID_HANDLE, "wrong error code %d instead of %d\n", 2609 GetLastError(), ERROR_INVALID_HANDLE); 2610 ok(invalid_handle_exceptions == numexc, "CloseHandle generated %d exceptions, expected %d\n", 2611 invalid_handle_exceptions, numexc); 2612 2613 invalid_handle_exceptions = 0; 2614 status = pNtClose((HANDLE)0xdeadbeef); 2615 ok(status == STATUS_INVALID_HANDLE, "NtClose(0xdeadbeef) returned status %08x\n", status); 2616 ok(invalid_handle_exceptions == numexc, "NtClose generated %d exceptions, expected %d\n", 2617 invalid_handle_exceptions, numexc); 2618 2619 pRtlRemoveVectoredExceptionHandler(vectored_handler); 2620 } 2621 2622 static void test_vectored_continue_handler(void) 2623 { 2624 PVOID handler1, handler2; 2625 ULONG ret; 2626 2627 if (!pRtlAddVectoredContinueHandler || !pRtlRemoveVectoredContinueHandler) 2628 { 2629 skip("RtlAddVectoredContinueHandler or RtlRemoveVectoredContinueHandler not found\n"); 2630 return; 2631 } 2632 2633 handler1 = pRtlAddVectoredContinueHandler(TRUE, (void *)0xdeadbeef); 2634 ok(handler1 != 0, "RtlAddVectoredContinueHandler failed\n"); 2635 2636 handler2 = pRtlAddVectoredContinueHandler(TRUE, (void *)0xdeadbeef); 2637 ok(handler2 != 0, "RtlAddVectoredContinueHandler failed\n"); 2638 ok(handler1 != handler2, "RtlAddVectoredContinueHandler returned same handler\n"); 2639 2640 if (pRtlRemoveVectoredExceptionHandler) 2641 { 2642 ret = pRtlRemoveVectoredExceptionHandler(handler1); 2643 ok(!ret, "RtlRemoveVectoredExceptionHandler succeeded\n"); 2644 } 2645 2646 ret = pRtlRemoveVectoredContinueHandler(handler1); 2647 ok(ret, "RtlRemoveVectoredContinueHandler failed\n"); 2648 2649 ret = pRtlRemoveVectoredContinueHandler(handler2); 2650 ok(ret, "RtlRemoveVectoredContinueHandler failed\n"); 2651 2652 ret = pRtlRemoveVectoredContinueHandler(handler1); 2653 ok(!ret, "RtlRemoveVectoredContinueHandler succeeded\n"); 2654 2655 ret = pRtlRemoveVectoredContinueHandler((void *)0x11223344); 2656 ok(!ret, "RtlRemoveVectoredContinueHandler succeeded\n"); 2657 } 2658 #endif /* defined(__i386__) || defined(__x86_64__) */ 2659 2660 START_TEST(exception) 2661 { 2662 HMODULE hntdll = GetModuleHandleA("ntdll.dll"); 2663 #if defined(__x86_64__) 2664 HMODULE hmsvcrt = LoadLibraryA("msvcrt.dll"); 2665 #endif 2666 2667 #ifdef __REACTOS__ 2668 if (!winetest_interactive && 2669 !strcmp(winetest_platform, "windows")) 2670 { 2671 skip("ROSTESTS-240: Skipping ntdll_winetest:exception because it hangs on WHS-Testbot. Set winetest_interactive to run it anyway.\n"); 2672 return; 2673 } 2674 #endif 2675 code_mem = VirtualAlloc(NULL, 65536, MEM_RESERVE | MEM_COMMIT, PAGE_EXECUTE_READWRITE); 2676 if(!code_mem) { 2677 trace("VirtualAlloc failed\n"); 2678 return; 2679 } 2680 2681 pNtGetContextThread = (void *)GetProcAddress( hntdll, "NtGetContextThread" ); 2682 pNtSetContextThread = (void *)GetProcAddress( hntdll, "NtSetContextThread" ); 2683 pNtReadVirtualMemory = (void *)GetProcAddress( hntdll, "NtReadVirtualMemory" ); 2684 pNtClose = (void *)GetProcAddress( hntdll, "NtClose" ); 2685 pRtlUnwind = (void *)GetProcAddress( hntdll, "RtlUnwind" ); 2686 pRtlRaiseException = (void *)GetProcAddress( hntdll, "RtlRaiseException" ); 2687 pRtlCaptureContext = (void *)GetProcAddress( hntdll, "RtlCaptureContext" ); 2688 pNtTerminateProcess = (void *)GetProcAddress( hntdll, "NtTerminateProcess" ); 2689 pRtlAddVectoredExceptionHandler = (void *)GetProcAddress( hntdll, 2690 "RtlAddVectoredExceptionHandler" ); 2691 pRtlRemoveVectoredExceptionHandler = (void *)GetProcAddress( hntdll, 2692 "RtlRemoveVectoredExceptionHandler" ); 2693 pRtlAddVectoredContinueHandler = (void *)GetProcAddress( hntdll, 2694 "RtlAddVectoredContinueHandler" ); 2695 pRtlRemoveVectoredContinueHandler = (void *)GetProcAddress( hntdll, 2696 "RtlRemoveVectoredContinueHandler" ); 2697 pNtQueryInformationProcess = (void*)GetProcAddress( hntdll, 2698 "NtQueryInformationProcess" ); 2699 pNtSetInformationProcess = (void*)GetProcAddress( hntdll, 2700 "NtSetInformationProcess" ); 2701 pIsWow64Process = (void *)GetProcAddress(GetModuleHandleA("kernel32.dll"), "IsWow64Process"); 2702 2703 #ifdef __i386__ 2704 if (!pIsWow64Process || !pIsWow64Process( GetCurrentProcess(), &is_wow64 )) is_wow64 = FALSE; 2705 2706 if (pRtlAddVectoredExceptionHandler && pRtlRemoveVectoredExceptionHandler) 2707 have_vectored_api = TRUE; 2708 else 2709 skip("RtlAddVectoredExceptionHandler or RtlRemoveVectoredExceptionHandler not found\n"); 2710 2711 my_argc = winetest_get_mainargs( &my_argv ); 2712 if (my_argc >= 4) 2713 { 2714 void *addr; 2715 sscanf( my_argv[3], "%p", &addr ); 2716 2717 if (addr != &test_stage) 2718 { 2719 skip( "child process not mapped at same address (%p/%p)\n", &test_stage, addr); 2720 return; 2721 } 2722 2723 /* child must be run under a debugger */ 2724 if (!NtCurrentTeb()->Peb->BeingDebugged) 2725 { 2726 ok(FALSE, "child process not being debugged?\n"); 2727 return; 2728 } 2729 2730 if (pRtlRaiseException) 2731 { 2732 test_stage = 1; 2733 run_rtlraiseexception_test(0x12345); 2734 run_rtlraiseexception_test(EXCEPTION_BREAKPOINT); 2735 run_rtlraiseexception_test(EXCEPTION_INVALID_HANDLE); 2736 test_stage = 2; 2737 run_rtlraiseexception_test(0x12345); 2738 run_rtlraiseexception_test(EXCEPTION_BREAKPOINT); 2739 run_rtlraiseexception_test(EXCEPTION_INVALID_HANDLE); 2740 test_stage = 3; 2741 test_outputdebugstring(0); 2742 test_stage = 4; 2743 test_outputdebugstring(2); 2744 test_stage = 5; 2745 test_ripevent(0); 2746 test_stage = 6; 2747 test_ripevent(1); 2748 test_stage = 7; 2749 test_debug_service(0); 2750 test_stage = 8; 2751 test_debug_service(1); 2752 test_stage = 9; 2753 test_breakpoint(0); 2754 test_stage = 10; 2755 test_breakpoint(1); 2756 test_stage = 11; 2757 test_closehandle(0); 2758 test_stage = 12; 2759 test_closehandle(1); 2760 } 2761 else 2762 skip( "RtlRaiseException not found\n" ); 2763 2764 /* rest of tests only run in parent */ 2765 return; 2766 } 2767 2768 test_unwind(); 2769 test_exceptions(); 2770 test_rtlraiseexception(); 2771 test_debug_registers(); 2772 test_outputdebugstring(1); 2773 test_ripevent(1); 2774 test_debug_service(1); 2775 test_breakpoint(1); 2776 test_closehandle(0); 2777 test_vectored_continue_handler(); 2778 test_debugger(); 2779 test_simd_exceptions(); 2780 test_fpu_exceptions(); 2781 test_dpe_exceptions(); 2782 test_prot_fault(); 2783 test_thread_context(); 2784 2785 #elif defined(__x86_64__) 2786 pRtlAddFunctionTable = (void *)GetProcAddress( hntdll, 2787 "RtlAddFunctionTable" ); 2788 pRtlDeleteFunctionTable = (void *)GetProcAddress( hntdll, 2789 "RtlDeleteFunctionTable" ); 2790 pRtlInstallFunctionTableCallback = (void *)GetProcAddress( hntdll, 2791 "RtlInstallFunctionTableCallback" ); 2792 pRtlLookupFunctionEntry = (void *)GetProcAddress( hntdll, 2793 "RtlLookupFunctionEntry" ); 2794 p__C_specific_handler = (void *)GetProcAddress( hntdll, 2795 "__C_specific_handler" ); 2796 pRtlCaptureContext = (void *)GetProcAddress( hntdll, 2797 "RtlCaptureContext" ); 2798 pRtlRestoreContext = (void *)GetProcAddress( hntdll, 2799 "RtlRestoreContext" ); 2800 pRtlUnwindEx = (void *)GetProcAddress( hntdll, 2801 "RtlUnwindEx" ); 2802 p_setjmp = (void *)GetProcAddress( hmsvcrt, 2803 "_setjmp" ); 2804 2805 test_debug_registers(); 2806 test_outputdebugstring(1); 2807 test_ripevent(1); 2808 test_debug_service(1); 2809 test_breakpoint(1); 2810 test_closehandle(0); 2811 test_vectored_continue_handler(); 2812 test_virtual_unwind(); 2813 test___C_specific_handler(); 2814 test_restore_context(); 2815 2816 if (pRtlAddFunctionTable && pRtlDeleteFunctionTable && pRtlInstallFunctionTableCallback && pRtlLookupFunctionEntry) 2817 test_dynamic_unwind(); 2818 else 2819 skip( "Dynamic unwind functions not found\n" ); 2820 2821 #endif 2822 2823 VirtualFree(code_mem, 0, MEM_RELEASE); 2824 } 2825