1 /* 2 * Unit test suite for ntdll exceptions 3 * 4 * Copyright 2005 Alexandre Julliard 5 * 6 * This library is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Lesser General Public 8 * License as published by the Free Software Foundation; either 9 * version 2.1 of the License, or (at your option) any later version. 10 * 11 * This library is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Lesser General Public License for more details. 15 * 16 * You should have received a copy of the GNU Lesser General Public 17 * License along with this library; if not, write to the Free Software 18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA 19 */ 20 21 #include <stdarg.h> 22 #include <stdio.h> 23 24 #ifndef _WIN32_WINNT 25 #define _WIN32_WINNT 0x500 /* For NTSTATUS */ 26 #endif 27 28 #define NONAMELESSUNION 29 #define NONAMELESSSTRUCT 30 #include "ntstatus.h" 31 #define WIN32_NO_STATUS 32 #include "windef.h" 33 #include "winbase.h" 34 #include "winnt.h" 35 #include "winreg.h" 36 #include "wine/winternl.h" 37 #include "wine/exception.h" 38 #include "wine/test.h" 39 40 static void *code_mem; 41 42 static NTSTATUS (WINAPI *pNtGetContextThread)(HANDLE,CONTEXT*); 43 static NTSTATUS (WINAPI *pNtSetContextThread)(HANDLE,CONTEXT*); 44 static NTSTATUS (WINAPI *pRtlRaiseException)(EXCEPTION_RECORD *rec); 45 static PVOID (WINAPI *pRtlUnwind)(PVOID, PVOID, PEXCEPTION_RECORD, PVOID); 46 static VOID (WINAPI *pRtlCaptureContext)(CONTEXT*); 47 static PVOID (WINAPI *pRtlAddVectoredExceptionHandler)(ULONG first, PVECTORED_EXCEPTION_HANDLER func); 48 static ULONG (WINAPI *pRtlRemoveVectoredExceptionHandler)(PVOID handler); 49 static PVOID (WINAPI *pRtlAddVectoredContinueHandler)(ULONG first, PVECTORED_EXCEPTION_HANDLER func); 50 static ULONG (WINAPI *pRtlRemoveVectoredContinueHandler)(PVOID handler); 51 static NTSTATUS (WINAPI *pNtReadVirtualMemory)(HANDLE, const void*, void*, SIZE_T, SIZE_T*); 52 static NTSTATUS (WINAPI *pNtTerminateProcess)(HANDLE handle, LONG exit_code); 53 static NTSTATUS (WINAPI *pNtQueryInformationProcess)(HANDLE, PROCESSINFOCLASS, PVOID, ULONG, PULONG); 54 static NTSTATUS (WINAPI *pNtSetInformationProcess)(HANDLE, PROCESSINFOCLASS, PVOID, ULONG); 55 static BOOL (WINAPI *pIsWow64Process)(HANDLE, PBOOL); 56 static NTSTATUS (WINAPI *pNtClose)(HANDLE); 57 58 #if defined(__x86_64__) 59 typedef struct 60 { 61 ULONG Count; 62 struct 63 { 64 ULONG BeginAddress; 65 ULONG EndAddress; 66 ULONG HandlerAddress; 67 ULONG JumpTarget; 68 } ScopeRecord[1]; 69 } SCOPE_TABLE; 70 71 typedef struct 72 { 73 ULONG64 ControlPc; 74 ULONG64 ImageBase; 75 PRUNTIME_FUNCTION FunctionEntry; 76 ULONG64 EstablisherFrame; 77 ULONG64 TargetIp; 78 PCONTEXT ContextRecord; 79 void* /*PEXCEPTION_ROUTINE*/ LanguageHandler; 80 PVOID HandlerData; 81 PUNWIND_HISTORY_TABLE HistoryTable; 82 ULONG ScopeIndex; 83 } DISPATCHER_CONTEXT; 84 85 typedef struct _SETJMP_FLOAT128 86 { 87 unsigned __int64 DECLSPEC_ALIGN(16) Part[2]; 88 } SETJMP_FLOAT128; 89 90 typedef struct _JUMP_BUFFER 91 { 92 unsigned __int64 Frame; 93 unsigned __int64 Rbx; 94 unsigned __int64 Rsp; 95 unsigned __int64 Rbp; 96 unsigned __int64 Rsi; 97 unsigned __int64 Rdi; 98 unsigned __int64 R12; 99 unsigned __int64 R13; 100 unsigned __int64 R14; 101 unsigned __int64 R15; 102 unsigned __int64 Rip; 103 unsigned __int64 Spare; 104 SETJMP_FLOAT128 Xmm6; 105 SETJMP_FLOAT128 Xmm7; 106 SETJMP_FLOAT128 Xmm8; 107 SETJMP_FLOAT128 Xmm9; 108 SETJMP_FLOAT128 Xmm10; 109 SETJMP_FLOAT128 Xmm11; 110 SETJMP_FLOAT128 Xmm12; 111 SETJMP_FLOAT128 Xmm13; 112 SETJMP_FLOAT128 Xmm14; 113 SETJMP_FLOAT128 Xmm15; 114 } _JUMP_BUFFER; 115 116 static BOOLEAN (CDECL *pRtlAddFunctionTable)(RUNTIME_FUNCTION*, DWORD, DWORD64); 117 static BOOLEAN (CDECL *pRtlDeleteFunctionTable)(RUNTIME_FUNCTION*); 118 static BOOLEAN (CDECL *pRtlInstallFunctionTableCallback)(DWORD64, DWORD64, DWORD, PGET_RUNTIME_FUNCTION_CALLBACK, PVOID, PCWSTR); 119 static PRUNTIME_FUNCTION (WINAPI *pRtlLookupFunctionEntry)(ULONG64, ULONG64*, UNWIND_HISTORY_TABLE*); 120 static EXCEPTION_DISPOSITION (WINAPI *p__C_specific_handler)(EXCEPTION_RECORD*, ULONG64, CONTEXT*, DISPATCHER_CONTEXT*); 121 static VOID (WINAPI *pRtlCaptureContext)(CONTEXT*); 122 static VOID (CDECL *pRtlRestoreContext)(CONTEXT*, EXCEPTION_RECORD*); 123 static VOID (CDECL *pRtlUnwindEx)(VOID*, VOID*, EXCEPTION_RECORD*, VOID*, CONTEXT*, UNWIND_HISTORY_TABLE*); 124 static int (CDECL *p_setjmp)(_JUMP_BUFFER*); 125 #endif 126 127 #ifdef __i386__ 128 129 #ifndef __WINE_WINTRNL_H 130 #define ProcessExecuteFlags 0x22 131 #define MEM_EXECUTE_OPTION_DISABLE 0x01 132 #define MEM_EXECUTE_OPTION_ENABLE 0x02 133 #define MEM_EXECUTE_OPTION_PERMANENT 0x08 134 #endif 135 136 static int my_argc; 137 static char** my_argv; 138 static int test_stage; 139 140 static BOOL is_wow64; 141 142 /* Test various instruction combinations that cause a protection fault on the i386, 143 * and check what the resulting exception looks like. 144 */ 145 146 static const struct exception 147 { 148 BYTE code[18]; /* asm code */ 149 BYTE offset; /* offset of faulting instruction */ 150 BYTE length; /* length of faulting instruction */ 151 BOOL wow64_broken; /* broken on Wow64, should be skipped */ 152 NTSTATUS status; /* expected status code */ 153 DWORD nb_params; /* expected number of parameters */ 154 DWORD params[4]; /* expected parameters */ 155 NTSTATUS alt_status; /* alternative status code */ 156 DWORD alt_nb_params; /* alternative number of parameters */ 157 DWORD alt_params[4]; /* alternative parameters */ 158 } exceptions[] = 159 { 160 /* 0 */ 161 /* test some privileged instructions */ 162 { { 0xfb, 0xc3 }, /* 0: sti; ret */ 163 0, 1, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 }, 164 { { 0x6c, 0xc3 }, /* 1: insb (%dx); ret */ 165 0, 1, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 }, 166 { { 0x6d, 0xc3 }, /* 2: insl (%dx); ret */ 167 0, 1, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 }, 168 { { 0x6e, 0xc3 }, /* 3: outsb (%dx); ret */ 169 0, 1, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 }, 170 { { 0x6f, 0xc3 }, /* 4: outsl (%dx); ret */ 171 0, 1, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 }, 172 /* 5 */ 173 { { 0xe4, 0x11, 0xc3 }, /* 5: inb $0x11,%al; ret */ 174 0, 2, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 }, 175 { { 0xe5, 0x11, 0xc3 }, /* 6: inl $0x11,%eax; ret */ 176 0, 2, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 }, 177 { { 0xe6, 0x11, 0xc3 }, /* 7: outb %al,$0x11; ret */ 178 0, 2, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 }, 179 { { 0xe7, 0x11, 0xc3 }, /* 8: outl %eax,$0x11; ret */ 180 0, 2, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 }, 181 { { 0xed, 0xc3 }, /* 9: inl (%dx),%eax; ret */ 182 0, 1, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 }, 183 /* 10 */ 184 { { 0xee, 0xc3 }, /* 10: outb %al,(%dx); ret */ 185 0, 1, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 }, 186 { { 0xef, 0xc3 }, /* 11: outl %eax,(%dx); ret */ 187 0, 1, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 }, 188 { { 0xf4, 0xc3 }, /* 12: hlt; ret */ 189 0, 1, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 }, 190 { { 0xfa, 0xc3 }, /* 13: cli; ret */ 191 0, 1, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 }, 192 193 /* test long jump to invalid selector */ 194 { { 0xea, 0, 0, 0, 0, 0, 0, 0xc3 }, /* 14: ljmp $0,$0; ret */ 195 0, 7, FALSE, STATUS_ACCESS_VIOLATION, 2, { 0, 0xffffffff } }, 196 197 /* 15 */ 198 /* test iret to invalid selector */ 199 { { 0x6a, 0x00, 0x6a, 0x00, 0x6a, 0x00, 0xcf, 0x83, 0xc4, 0x0c, 0xc3 }, 200 /* 15: pushl $0; pushl $0; pushl $0; iret; addl $12,%esp; ret */ 201 6, 1, FALSE, STATUS_ACCESS_VIOLATION, 2, { 0, 0xffffffff } }, 202 203 /* test loading an invalid selector */ 204 { { 0xb8, 0xef, 0xbe, 0x00, 0x00, 0x8e, 0xe8, 0xc3 }, /* 16: mov $beef,%ax; mov %ax,%gs; ret */ 205 5, 2, FALSE, STATUS_ACCESS_VIOLATION, 2, { 0, 0xbee8 } }, /* 0xbee8 or 0xffffffff */ 206 207 /* test accessing a zero selector (%es broken on Wow64) */ 208 { { 0x06, 0x31, 0xc0, 0x8e, 0xc0, 0x26, 0xa1, 0, 0, 0, 0, 0x07, 0xc3 }, 209 /* push %es; xor %eax,%eax; mov %ax,%es; mov %es:(0),%ax; pop %es; ret */ 210 5, 6, TRUE, STATUS_ACCESS_VIOLATION, 2, { 0, 0xffffffff } }, 211 { { 0x0f, 0xa8, 0x31, 0xc0, 0x8e, 0xe8, 0x65, 0xa1, 0, 0, 0, 0, 0x0f, 0xa9, 0xc3 }, 212 /* push %gs; xor %eax,%eax; mov %ax,%gs; mov %gs:(0),%ax; pop %gs; ret */ 213 6, 6, FALSE, STATUS_ACCESS_VIOLATION, 2, { 0, 0xffffffff } }, 214 215 /* test moving %cs -> %ss */ 216 { { 0x0e, 0x17, 0x58, 0xc3 }, /* pushl %cs; popl %ss; popl %eax; ret */ 217 1, 1, FALSE, STATUS_ACCESS_VIOLATION, 2, { 0, 0xffffffff } }, 218 219 /* 20 */ 220 /* test overlong instruction (limit is 15 bytes, 5 on Win7) */ 221 { { 0x64,0x64,0x64,0x64,0x64,0x64,0x64,0x64,0x64,0x64,0x64,0x64,0x64,0x64,0x64,0xfa,0xc3 }, 222 0, 16, TRUE, STATUS_ILLEGAL_INSTRUCTION, 0, { 0 }, 223 STATUS_ACCESS_VIOLATION, 2, { 0, 0xffffffff } }, 224 { { 0x64,0x64,0x64,0x64,0xfa,0xc3 }, 225 0, 5, TRUE, STATUS_PRIVILEGED_INSTRUCTION, 0 }, 226 227 /* test invalid interrupt */ 228 { { 0xcd, 0xff, 0xc3 }, /* int $0xff; ret */ 229 0, 2, FALSE, STATUS_ACCESS_VIOLATION, 2, { 0, 0xffffffff } }, 230 231 /* test moves to/from Crx */ 232 { { 0x0f, 0x20, 0xc0, 0xc3 }, /* movl %cr0,%eax; ret */ 233 0, 3, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 }, 234 { { 0x0f, 0x20, 0xe0, 0xc3 }, /* movl %cr4,%eax; ret */ 235 0, 3, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 }, 236 /* 25 */ 237 { { 0x0f, 0x22, 0xc0, 0xc3 }, /* movl %eax,%cr0; ret */ 238 0, 3, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 }, 239 { { 0x0f, 0x22, 0xe0, 0xc3 }, /* movl %eax,%cr4; ret */ 240 0, 3, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 }, 241 242 /* test moves to/from Drx */ 243 { { 0x0f, 0x21, 0xc0, 0xc3 }, /* movl %dr0,%eax; ret */ 244 0, 3, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 }, 245 { { 0x0f, 0x21, 0xc8, 0xc3 }, /* movl %dr1,%eax; ret */ 246 0, 3, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 }, 247 { { 0x0f, 0x21, 0xf8, 0xc3 }, /* movl %dr7,%eax; ret */ 248 0, 3, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 }, 249 /* 30 */ 250 { { 0x0f, 0x23, 0xc0, 0xc3 }, /* movl %eax,%dr0; ret */ 251 0, 3, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 }, 252 { { 0x0f, 0x23, 0xc8, 0xc3 }, /* movl %eax,%dr1; ret */ 253 0, 3, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 }, 254 { { 0x0f, 0x23, 0xf8, 0xc3 }, /* movl %eax,%dr7; ret */ 255 0, 3, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 }, 256 257 /* test memory reads */ 258 { { 0xa1, 0xfc, 0xff, 0xff, 0xff, 0xc3 }, /* movl 0xfffffffc,%eax; ret */ 259 0, 5, FALSE, STATUS_ACCESS_VIOLATION, 2, { 0, 0xfffffffc } }, 260 { { 0xa1, 0xfd, 0xff, 0xff, 0xff, 0xc3 }, /* movl 0xfffffffd,%eax; ret */ 261 0, 5, FALSE, STATUS_ACCESS_VIOLATION, 2, { 0, 0xfffffffd } }, 262 /* 35 */ 263 { { 0xa1, 0xfe, 0xff, 0xff, 0xff, 0xc3 }, /* movl 0xfffffffe,%eax; ret */ 264 0, 5, FALSE, STATUS_ACCESS_VIOLATION, 2, { 0, 0xfffffffe } }, 265 { { 0xa1, 0xff, 0xff, 0xff, 0xff, 0xc3 }, /* movl 0xffffffff,%eax; ret */ 266 0, 5, FALSE, STATUS_ACCESS_VIOLATION, 2, { 0, 0xffffffff } }, 267 268 /* test memory writes */ 269 { { 0xa3, 0xfc, 0xff, 0xff, 0xff, 0xc3 }, /* movl %eax,0xfffffffc; ret */ 270 0, 5, FALSE, STATUS_ACCESS_VIOLATION, 2, { 1, 0xfffffffc } }, 271 { { 0xa3, 0xfd, 0xff, 0xff, 0xff, 0xc3 }, /* movl %eax,0xfffffffd; ret */ 272 0, 5, FALSE, STATUS_ACCESS_VIOLATION, 2, { 1, 0xfffffffd } }, 273 { { 0xa3, 0xfe, 0xff, 0xff, 0xff, 0xc3 }, /* movl %eax,0xfffffffe; ret */ 274 0, 5, FALSE, STATUS_ACCESS_VIOLATION, 2, { 1, 0xfffffffe } }, 275 /* 40 */ 276 { { 0xa3, 0xff, 0xff, 0xff, 0xff, 0xc3 }, /* movl %eax,0xffffffff; ret */ 277 0, 5, FALSE, STATUS_ACCESS_VIOLATION, 2, { 1, 0xffffffff } }, 278 279 /* test exception with cleared %ds and %es (broken on Wow64) */ 280 { { 0x1e, 0x06, 0x31, 0xc0, 0x8e, 0xd8, 0x8e, 0xc0, 0xfa, 0x07, 0x1f, 0xc3 }, 281 /* push %ds; push %es; xorl %eax,%eax; mov %ax,%ds; mov %ax,%es; cli; pop %es; pop %ds; ret */ 282 8, 1, TRUE, STATUS_PRIVILEGED_INSTRUCTION, 0 }, 283 284 { { 0xf1, 0x90, 0xc3 }, /* icebp; nop; ret */ 285 1, 1, FALSE, STATUS_SINGLE_STEP, 0 }, 286 { { 0xb8, 0xb8, 0xb8, 0xb8, 0xb8, /* mov $0xb8b8b8b8, %eax */ 287 0xb9, 0xb9, 0xb9, 0xb9, 0xb9, /* mov $0xb9b9b9b9, %ecx */ 288 0xba, 0xba, 0xba, 0xba, 0xba, /* mov $0xbabababa, %edx */ 289 0xcd, 0x2d, 0xc3 }, /* int $0x2d; ret */ 290 17, 0, FALSE, STATUS_BREAKPOINT, 3, { 0xb8b8b8b8, 0xb9b9b9b9, 0xbabababa } }, 291 }; 292 293 static int got_exception; 294 static BOOL have_vectored_api; 295 296 static void run_exception_test(void *handler, const void* context, 297 const void *code, unsigned int code_size, 298 DWORD access) 299 { 300 struct { 301 EXCEPTION_REGISTRATION_RECORD frame; 302 const void *context; 303 } exc_frame; 304 void (*func)(void) = code_mem; 305 DWORD oldaccess, oldaccess2; 306 307 exc_frame.frame.Handler = handler; 308 exc_frame.frame.Prev = NtCurrentTeb()->Tib.ExceptionList; 309 exc_frame.context = context; 310 311 memcpy(code_mem, code, code_size); 312 if(access) 313 VirtualProtect(code_mem, code_size, access, &oldaccess); 314 315 NtCurrentTeb()->Tib.ExceptionList = &exc_frame.frame; 316 func(); 317 NtCurrentTeb()->Tib.ExceptionList = exc_frame.frame.Prev; 318 319 if(access) 320 VirtualProtect(code_mem, code_size, oldaccess, &oldaccess2); 321 } 322 323 static LONG CALLBACK rtlraiseexception_vectored_handler(EXCEPTION_POINTERS *ExceptionInfo) 324 { 325 PCONTEXT context = ExceptionInfo->ContextRecord; 326 PEXCEPTION_RECORD rec = ExceptionInfo->ExceptionRecord; 327 trace("vect. handler %08x addr:%p context.Eip:%x\n", rec->ExceptionCode, 328 rec->ExceptionAddress, context->Eip); 329 330 ok(rec->ExceptionAddress == (char *)code_mem + 0xb, "ExceptionAddress at %p instead of %p\n", 331 rec->ExceptionAddress, (char *)code_mem + 0xb); 332 333 if (NtCurrentTeb()->Peb->BeingDebugged) 334 ok((void *)context->Eax == pRtlRaiseException || 335 broken( is_wow64 && context->Eax == 0xf00f00f1 ), /* broken on vista */ 336 "debugger managed to modify Eax to %x should be %p\n", 337 context->Eax, pRtlRaiseException); 338 339 /* check that context.Eip is fixed up only for EXCEPTION_BREAKPOINT 340 * even if raised by RtlRaiseException 341 */ 342 if(rec->ExceptionCode == EXCEPTION_BREAKPOINT) 343 { 344 ok(context->Eip == (DWORD)code_mem + 0xa || 345 broken(context->Eip == (DWORD)code_mem + 0xb), /* win2k3 */ 346 "Eip at %x instead of %x or %x\n", context->Eip, 347 (DWORD)code_mem + 0xa, (DWORD)code_mem + 0xb); 348 } 349 else 350 { 351 ok(context->Eip == (DWORD)code_mem + 0xb, "Eip at %x instead of %x\n", 352 context->Eip, (DWORD)code_mem + 0xb); 353 } 354 355 /* test if context change is preserved from vectored handler to stack handlers */ 356 context->Eax = 0xf00f00f0; 357 return EXCEPTION_CONTINUE_SEARCH; 358 } 359 360 static DWORD rtlraiseexception_handler( EXCEPTION_RECORD *rec, EXCEPTION_REGISTRATION_RECORD *frame, 361 CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **dispatcher ) 362 { 363 trace( "exception: %08x flags:%x addr:%p context: Eip:%x\n", 364 rec->ExceptionCode, rec->ExceptionFlags, rec->ExceptionAddress, context->Eip ); 365 366 ok(rec->ExceptionAddress == (char *)code_mem + 0xb, "ExceptionAddress at %p instead of %p\n", 367 rec->ExceptionAddress, (char *)code_mem + 0xb); 368 369 /* check that context.Eip is fixed up only for EXCEPTION_BREAKPOINT 370 * even if raised by RtlRaiseException 371 */ 372 if(rec->ExceptionCode == EXCEPTION_BREAKPOINT) 373 { 374 ok(context->Eip == (DWORD)code_mem + 0xa || 375 broken(context->Eip == (DWORD)code_mem + 0xb), /* win2k3 */ 376 "Eip at %x instead of %x or %x\n", context->Eip, 377 (DWORD)code_mem + 0xa, (DWORD)code_mem + 0xb); 378 } 379 else 380 { 381 ok(context->Eip == (DWORD)code_mem + 0xb, "Eip at %x instead of %x\n", 382 context->Eip, (DWORD)code_mem + 0xb); 383 } 384 385 if(have_vectored_api) 386 ok(context->Eax == 0xf00f00f0, "Eax is %x, should have been set to 0xf00f00f0 in vectored handler\n", 387 context->Eax); 388 389 /* give the debugger a chance to examine the state a second time */ 390 /* without the exception handler changing Eip */ 391 if (test_stage == 2) 392 return ExceptionContinueSearch; 393 394 /* Eip in context is decreased by 1 395 * Increase it again, else execution will continue in the middle of an instruction */ 396 if(rec->ExceptionCode == EXCEPTION_BREAKPOINT && (context->Eip == (DWORD)code_mem + 0xa)) 397 context->Eip += 1; 398 return ExceptionContinueExecution; 399 } 400 401 402 static const BYTE call_one_arg_code[] = { 403 0x8b, 0x44, 0x24, 0x08, /* mov 0x8(%esp),%eax */ 404 0x50, /* push %eax */ 405 0x8b, 0x44, 0x24, 0x08, /* mov 0x8(%esp),%eax */ 406 0xff, 0xd0, /* call *%eax */ 407 0x90, /* nop */ 408 0x90, /* nop */ 409 0x90, /* nop */ 410 0x90, /* nop */ 411 0xc3, /* ret */ 412 }; 413 414 415 static void run_rtlraiseexception_test(DWORD exceptioncode) 416 { 417 EXCEPTION_REGISTRATION_RECORD frame; 418 EXCEPTION_RECORD record; 419 PVOID vectored_handler = NULL; 420 421 void (*func)(void* function, EXCEPTION_RECORD* record) = code_mem; 422 423 record.ExceptionCode = exceptioncode; 424 record.ExceptionFlags = 0; 425 record.ExceptionRecord = NULL; 426 record.ExceptionAddress = NULL; /* does not matter, copied return address */ 427 record.NumberParameters = 0; 428 429 frame.Handler = rtlraiseexception_handler; 430 frame.Prev = NtCurrentTeb()->Tib.ExceptionList; 431 432 memcpy(code_mem, call_one_arg_code, sizeof(call_one_arg_code)); 433 434 NtCurrentTeb()->Tib.ExceptionList = &frame; 435 if (have_vectored_api) 436 { 437 vectored_handler = pRtlAddVectoredExceptionHandler(TRUE, &rtlraiseexception_vectored_handler); 438 ok(vectored_handler != 0, "RtlAddVectoredExceptionHandler failed\n"); 439 } 440 441 func(pRtlRaiseException, &record); 442 ok( record.ExceptionAddress == (char *)code_mem + 0x0b, 443 "address set to %p instead of %p\n", record.ExceptionAddress, (char *)code_mem + 0x0b ); 444 445 if (have_vectored_api) 446 pRtlRemoveVectoredExceptionHandler(vectored_handler); 447 NtCurrentTeb()->Tib.ExceptionList = frame.Prev; 448 } 449 450 static void test_rtlraiseexception(void) 451 { 452 if (!pRtlRaiseException) 453 { 454 skip("RtlRaiseException not found\n"); 455 return; 456 } 457 458 /* test without debugger */ 459 run_rtlraiseexception_test(0x12345); 460 run_rtlraiseexception_test(EXCEPTION_BREAKPOINT); 461 run_rtlraiseexception_test(EXCEPTION_INVALID_HANDLE); 462 } 463 464 static DWORD unwind_expected_eax; 465 466 static DWORD unwind_handler( EXCEPTION_RECORD *rec, EXCEPTION_REGISTRATION_RECORD *frame, 467 CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **dispatcher ) 468 { 469 trace("exception: %08x flags:%x addr:%p context: Eip:%x\n", 470 rec->ExceptionCode, rec->ExceptionFlags, rec->ExceptionAddress, context->Eip); 471 472 ok(rec->ExceptionCode == STATUS_UNWIND, "ExceptionCode is %08x instead of %08x\n", 473 rec->ExceptionCode, STATUS_UNWIND); 474 ok(rec->ExceptionAddress == (char *)code_mem + 0x22, "ExceptionAddress at %p instead of %p\n", 475 rec->ExceptionAddress, (char *)code_mem + 0x22); 476 ok(context->Eax == unwind_expected_eax, "context->Eax is %08x instead of %08x\n", 477 context->Eax, unwind_expected_eax); 478 479 context->Eax += 1; 480 return ExceptionContinueSearch; 481 } 482 483 static const BYTE call_unwind_code[] = { 484 0x55, /* push %ebp */ 485 0x53, /* push %ebx */ 486 0x56, /* push %esi */ 487 0x57, /* push %edi */ 488 0xe8, 0x00, 0x00, 0x00, 0x00, /* call 0 */ 489 0x58, /* 0: pop %eax */ 490 0x05, 0x1e, 0x00, 0x00, 0x00, /* add $0x1e,%eax */ 491 0xff, 0x74, 0x24, 0x20, /* push 0x20(%esp) */ 492 0xff, 0x74, 0x24, 0x20, /* push 0x20(%esp) */ 493 0x50, /* push %eax */ 494 0xff, 0x74, 0x24, 0x24, /* push 0x24(%esp) */ 495 0x8B, 0x44, 0x24, 0x24, /* mov 0x24(%esp),%eax */ 496 0xff, 0xd0, /* call *%eax */ 497 0x5f, /* pop %edi */ 498 0x5e, /* pop %esi */ 499 0x5b, /* pop %ebx */ 500 0x5d, /* pop %ebp */ 501 0xc3, /* ret */ 502 0xcc, /* int $3 */ 503 }; 504 505 static void test_unwind(void) 506 { 507 EXCEPTION_REGISTRATION_RECORD frames[2], *frame2 = &frames[0], *frame1 = &frames[1]; 508 DWORD (*func)(void* function, EXCEPTION_REGISTRATION_RECORD *pEndFrame, EXCEPTION_RECORD* record, DWORD retval) = code_mem; 509 DWORD retval; 510 511 memcpy(code_mem, call_unwind_code, sizeof(call_unwind_code)); 512 513 /* add first unwind handler */ 514 frame1->Handler = unwind_handler; 515 frame1->Prev = NtCurrentTeb()->Tib.ExceptionList; 516 NtCurrentTeb()->Tib.ExceptionList = frame1; 517 518 /* add second unwind handler */ 519 frame2->Handler = unwind_handler; 520 frame2->Prev = NtCurrentTeb()->Tib.ExceptionList; 521 NtCurrentTeb()->Tib.ExceptionList = frame2; 522 523 /* test unwind to current frame */ 524 unwind_expected_eax = 0xDEAD0000; 525 retval = func(pRtlUnwind, frame2, NULL, 0xDEAD0000); 526 ok(retval == 0xDEAD0000, "RtlUnwind returned eax %08x instead of %08x\n", retval, 0xDEAD0000); 527 ok(NtCurrentTeb()->Tib.ExceptionList == frame2, "Exception record points to %p instead of %p\n", 528 NtCurrentTeb()->Tib.ExceptionList, frame2); 529 530 /* unwind to frame1 */ 531 unwind_expected_eax = 0xDEAD0000; 532 retval = func(pRtlUnwind, frame1, NULL, 0xDEAD0000); 533 ok(retval == 0xDEAD0001, "RtlUnwind returned eax %08x instead of %08x\n", retval, 0xDEAD0001); 534 ok(NtCurrentTeb()->Tib.ExceptionList == frame1, "Exception record points to %p instead of %p\n", 535 NtCurrentTeb()->Tib.ExceptionList, frame1); 536 537 /* restore original handler */ 538 NtCurrentTeb()->Tib.ExceptionList = frame1->Prev; 539 } 540 541 static DWORD handler( EXCEPTION_RECORD *rec, EXCEPTION_REGISTRATION_RECORD *frame, 542 CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **dispatcher ) 543 { 544 const struct exception *except = *(const struct exception **)(frame + 1); 545 unsigned int i, parameter_count, entry = except - exceptions; 546 547 got_exception++; 548 trace( "exception %u: %x flags:%x addr:%p\n", 549 entry, rec->ExceptionCode, rec->ExceptionFlags, rec->ExceptionAddress ); 550 551 ok( rec->ExceptionCode == except->status || 552 (except->alt_status != 0 && rec->ExceptionCode == except->alt_status), 553 "%u: Wrong exception code %x/%x\n", entry, rec->ExceptionCode, except->status ); 554 ok( context->Eip == (DWORD_PTR)code_mem + except->offset, 555 "%u: Unexpected eip %#x/%#lx\n", entry, 556 context->Eip, (DWORD_PTR)code_mem + except->offset ); 557 ok( rec->ExceptionAddress == (char*)context->Eip || 558 (rec->ExceptionCode == STATUS_BREAKPOINT && rec->ExceptionAddress == (char*)context->Eip + 1), 559 "%u: Unexpected exception address %p/%p\n", entry, 560 rec->ExceptionAddress, (char*)context->Eip ); 561 562 if (except->status == STATUS_BREAKPOINT && is_wow64) 563 parameter_count = 1; 564 else if (except->alt_status == 0 || rec->ExceptionCode != except->alt_status) 565 parameter_count = except->nb_params; 566 else 567 parameter_count = except->alt_nb_params; 568 569 ok( rec->NumberParameters == parameter_count, 570 "%u: Unexpected parameter count %u/%u\n", entry, rec->NumberParameters, parameter_count ); 571 572 /* Most CPUs (except Intel Core apparently) report a segment limit violation */ 573 /* instead of page faults for accesses beyond 0xffffffff */ 574 if (except->nb_params == 2 && except->params[1] >= 0xfffffffd) 575 { 576 if (rec->ExceptionInformation[0] == 0 && rec->ExceptionInformation[1] == 0xffffffff) 577 goto skip_params; 578 } 579 580 /* Seems that both 0xbee8 and 0xfffffffff can be returned in windows */ 581 if (except->nb_params == 2 && rec->NumberParameters == 2 582 && except->params[1] == 0xbee8 && rec->ExceptionInformation[1] == 0xffffffff 583 && except->params[0] == rec->ExceptionInformation[0]) 584 { 585 goto skip_params; 586 } 587 588 if (except->alt_status == 0 || rec->ExceptionCode != except->alt_status) 589 { 590 for (i = 0; i < rec->NumberParameters; i++) 591 ok( rec->ExceptionInformation[i] == except->params[i], 592 "%u: Wrong parameter %d: %lx/%x\n", 593 entry, i, rec->ExceptionInformation[i], except->params[i] ); 594 } 595 else 596 { 597 for (i = 0; i < rec->NumberParameters; i++) 598 ok( rec->ExceptionInformation[i] == except->alt_params[i], 599 "%u: Wrong parameter %d: %lx/%x\n", 600 entry, i, rec->ExceptionInformation[i], except->alt_params[i] ); 601 } 602 603 skip_params: 604 /* don't handle exception if it's not the address we expected */ 605 if (context->Eip != (DWORD_PTR)code_mem + except->offset) return ExceptionContinueSearch; 606 607 context->Eip += except->length; 608 return ExceptionContinueExecution; 609 } 610 611 static void test_prot_fault(void) 612 { 613 unsigned int i; 614 615 for (i = 0; i < sizeof(exceptions)/sizeof(exceptions[0]); i++) 616 { 617 if (is_wow64 && exceptions[i].wow64_broken && !strcmp( winetest_platform, "windows" )) 618 { 619 skip( "Exception %u broken on Wow64\n", i ); 620 continue; 621 } 622 got_exception = 0; 623 run_exception_test(handler, &exceptions[i], &exceptions[i].code, 624 sizeof(exceptions[i].code), 0); 625 if (!i && !got_exception) 626 { 627 trace( "No exception, assuming win9x, no point in testing further\n" ); 628 break; 629 } 630 ok( got_exception == (exceptions[i].status != 0), 631 "%u: bad exception count %d\n", i, got_exception ); 632 } 633 } 634 635 struct dbgreg_test { 636 DWORD dr0, dr1, dr2, dr3, dr6, dr7; 637 }; 638 639 /* test handling of debug registers */ 640 static DWORD dreg_handler( EXCEPTION_RECORD *rec, EXCEPTION_REGISTRATION_RECORD *frame, 641 CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **dispatcher ) 642 { 643 const struct dbgreg_test *test = *(const struct dbgreg_test **)(frame + 1); 644 645 context->Eip += 2; /* Skips the popl (%eax) */ 646 context->Dr0 = test->dr0; 647 context->Dr1 = test->dr1; 648 context->Dr2 = test->dr2; 649 context->Dr3 = test->dr3; 650 context->Dr6 = test->dr6; 651 context->Dr7 = test->dr7; 652 return ExceptionContinueExecution; 653 } 654 655 #define CHECK_DEBUG_REG(n, m) \ 656 ok((ctx.Dr##n & m) == test->dr##n, "(%d) failed to set debug register " #n " to %x, got %x\n", \ 657 test_num, test->dr##n, ctx.Dr##n) 658 659 static void check_debug_registers(int test_num, const struct dbgreg_test *test) 660 { 661 CONTEXT ctx; 662 NTSTATUS status; 663 664 ctx.ContextFlags = CONTEXT_DEBUG_REGISTERS; 665 status = pNtGetContextThread(GetCurrentThread(), &ctx); 666 ok(status == STATUS_SUCCESS, "NtGetContextThread failed with %x\n", status); 667 668 CHECK_DEBUG_REG(0, ~0); 669 CHECK_DEBUG_REG(1, ~0); 670 CHECK_DEBUG_REG(2, ~0); 671 CHECK_DEBUG_REG(3, ~0); 672 CHECK_DEBUG_REG(6, 0x0f); 673 CHECK_DEBUG_REG(7, ~0xdc00); 674 } 675 676 static const BYTE segfault_code[5] = { 677 0x31, 0xc0, /* xor %eax,%eax */ 678 0x8f, 0x00, /* popl (%eax) - cause exception */ 679 0xc3 /* ret */ 680 }; 681 682 /* test the single step exception behaviour */ 683 static DWORD single_step_handler( EXCEPTION_RECORD *rec, EXCEPTION_REGISTRATION_RECORD *frame, 684 CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **dispatcher ) 685 { 686 got_exception++; 687 ok (!(context->EFlags & 0x100), "eflags has single stepping bit set\n"); 688 689 if( got_exception < 3) 690 context->EFlags |= 0x100; /* single step until popf instruction */ 691 else { 692 /* show that the last single step exception on the popf instruction 693 * (which removed the TF bit), still is a EXCEPTION_SINGLE_STEP exception */ 694 ok( rec->ExceptionCode == EXCEPTION_SINGLE_STEP, 695 "exception is not EXCEPTION_SINGLE_STEP: %x\n", rec->ExceptionCode); 696 } 697 698 return ExceptionContinueExecution; 699 } 700 701 static const BYTE single_stepcode[] = { 702 0x9c, /* pushf */ 703 0x58, /* pop %eax */ 704 0x0d,0,1,0,0, /* or $0x100,%eax */ 705 0x50, /* push %eax */ 706 0x9d, /* popf */ 707 0x35,0,1,0,0, /* xor $0x100,%eax */ 708 0x50, /* push %eax */ 709 0x9d, /* popf */ 710 0xc3 711 }; 712 713 /* Test the alignment check (AC) flag handling. */ 714 static const BYTE align_check_code[] = { 715 0x55, /* push %ebp */ 716 0x89,0xe5, /* mov %esp,%ebp */ 717 0x9c, /* pushf */ 718 0x58, /* pop %eax */ 719 0x0d,0,0,4,0, /* or $0x40000,%eax */ 720 0x50, /* push %eax */ 721 0x9d, /* popf */ 722 0x89,0xe0, /* mov %esp, %eax */ 723 0x8b,0x40,0x1, /* mov 0x1(%eax), %eax - cause exception */ 724 0x9c, /* pushf */ 725 0x58, /* pop %eax */ 726 0x35,0,0,4,0, /* xor $0x40000,%eax */ 727 0x50, /* push %eax */ 728 0x9d, /* popf */ 729 0x5d, /* pop %ebp */ 730 0xc3, /* ret */ 731 }; 732 733 static DWORD align_check_handler( EXCEPTION_RECORD *rec, EXCEPTION_REGISTRATION_RECORD *frame, 734 CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **dispatcher ) 735 { 736 ok (!(context->EFlags & 0x40000), "eflags has AC bit set\n"); 737 got_exception++; 738 return ExceptionContinueExecution; 739 } 740 741 /* Test the direction flag handling. */ 742 static const BYTE direction_flag_code[] = { 743 0x55, /* push %ebp */ 744 0x89,0xe5, /* mov %esp,%ebp */ 745 0xfd, /* std */ 746 0xfa, /* cli - cause exception */ 747 0x5d, /* pop %ebp */ 748 0xc3, /* ret */ 749 }; 750 751 static DWORD direction_flag_handler( EXCEPTION_RECORD *rec, EXCEPTION_REGISTRATION_RECORD *frame, 752 CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **dispatcher ) 753 { 754 #ifdef __GNUC__ 755 unsigned int flags; 756 __asm__("pushfl; popl %0; cld" : "=r" (flags) ); 757 /* older windows versions don't clear DF properly so don't test */ 758 if (flags & 0x400) trace( "eflags has DF bit set\n" ); 759 #endif 760 ok( context->EFlags & 0x400, "context eflags has DF bit cleared\n" ); 761 got_exception++; 762 context->Eip++; /* skip cli */ 763 context->EFlags &= ~0x400; /* make sure it is cleared on return */ 764 return ExceptionContinueExecution; 765 } 766 767 /* test single stepping over hardware breakpoint */ 768 static DWORD bpx_handler( EXCEPTION_RECORD *rec, EXCEPTION_REGISTRATION_RECORD *frame, 769 CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **dispatcher ) 770 { 771 got_exception++; 772 ok( rec->ExceptionCode == EXCEPTION_SINGLE_STEP, 773 "wrong exception code: %x\n", rec->ExceptionCode); 774 775 if(got_exception == 1) { 776 /* hw bp exception on first nop */ 777 ok( context->Eip == (DWORD)code_mem, "eip is wrong: %x instead of %x\n", 778 context->Eip, (DWORD)code_mem); 779 ok( (context->Dr6 & 0xf) == 1, "B0 flag is not set in Dr6\n"); 780 ok( !(context->Dr6 & 0x4000), "BS flag is set in Dr6\n"); 781 context->Dr0 = context->Dr0 + 1; /* set hw bp again on next instruction */ 782 context->EFlags |= 0x100; /* enable single stepping */ 783 } else if( got_exception == 2) { 784 /* single step exception on second nop */ 785 ok( context->Eip == (DWORD)code_mem + 1, "eip is wrong: %x instead of %x\n", 786 context->Eip, (DWORD)code_mem + 1); 787 ok( (context->Dr6 & 0x4000), "BS flag is not set in Dr6\n"); 788 /* depending on the win version the B0 bit is already set here as well 789 ok( (context->Dr6 & 0xf) == 0, "B0...3 flags in Dr6 shouldn't be set\n"); */ 790 context->EFlags |= 0x100; 791 } else if( got_exception == 3) { 792 /* hw bp exception on second nop */ 793 ok( context->Eip == (DWORD)code_mem + 1, "eip is wrong: %x instead of %x\n", 794 context->Eip, (DWORD)code_mem + 1); 795 ok( (context->Dr6 & 0xf) == 1, "B0 flag is not set in Dr6\n"); 796 ok( !(context->Dr6 & 0x4000), "BS flag is set in Dr6\n"); 797 context->Dr0 = 0; /* clear breakpoint */ 798 context->EFlags |= 0x100; 799 } else { 800 /* single step exception on ret */ 801 ok( context->Eip == (DWORD)code_mem + 2, "eip is wrong: %x instead of %x\n", 802 context->Eip, (DWORD)code_mem + 2); 803 ok( (context->Dr6 & 0xf) == 0, "B0...3 flags in Dr6 shouldn't be set\n"); 804 ok( (context->Dr6 & 0x4000), "BS flag is not set in Dr6\n"); 805 } 806 807 context->Dr6 = 0; /* clear status register */ 808 return ExceptionContinueExecution; 809 } 810 811 static const BYTE dummy_code[] = { 0x90, 0x90, 0xc3 }; /* nop, nop, ret */ 812 813 /* test int3 handling */ 814 static DWORD int3_handler( EXCEPTION_RECORD *rec, EXCEPTION_REGISTRATION_RECORD *frame, 815 CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **dispatcher ) 816 { 817 ok( rec->ExceptionAddress == code_mem, "exception address not at: %p, but at %p\n", 818 code_mem, rec->ExceptionAddress); 819 ok( context->Eip == (DWORD)code_mem, "eip not at: %p, but at %#x\n", code_mem, context->Eip); 820 if(context->Eip == (DWORD)code_mem) context->Eip++; /* skip breakpoint */ 821 822 return ExceptionContinueExecution; 823 } 824 825 static const BYTE int3_code[] = { 0xCC, 0xc3 }; /* int 3, ret */ 826 827 static DWORD WINAPI hw_reg_exception_thread( void *arg ) 828 { 829 int expect = (ULONG_PTR)arg; 830 got_exception = 0; 831 run_exception_test( bpx_handler, NULL, dummy_code, sizeof(dummy_code), 0 ); 832 ok( got_exception == expect, "expected %u exceptions, got %d\n", expect, got_exception ); 833 return 0; 834 } 835 836 static void test_exceptions(void) 837 { 838 CONTEXT ctx; 839 NTSTATUS res; 840 struct dbgreg_test dreg_test; 841 HANDLE h; 842 843 if (!pNtGetContextThread || !pNtSetContextThread) 844 { 845 skip( "NtGetContextThread/NtSetContextThread not found\n" ); 846 return; 847 } 848 849 /* test handling of debug registers */ 850 memset(&dreg_test, 0, sizeof(dreg_test)); 851 852 dreg_test.dr0 = 0x42424240; 853 dreg_test.dr2 = 0x126bb070; 854 dreg_test.dr3 = 0x0badbad0; 855 dreg_test.dr7 = 0xffff0115; 856 run_exception_test(dreg_handler, &dreg_test, &segfault_code, sizeof(segfault_code), 0); 857 check_debug_registers(1, &dreg_test); 858 859 dreg_test.dr0 = 0x42424242; 860 dreg_test.dr2 = 0x100f0fe7; 861 dreg_test.dr3 = 0x0abebabe; 862 dreg_test.dr7 = 0x115; 863 run_exception_test(dreg_handler, &dreg_test, &segfault_code, sizeof(segfault_code), 0); 864 check_debug_registers(2, &dreg_test); 865 866 /* test single stepping behavior */ 867 got_exception = 0; 868 run_exception_test(single_step_handler, NULL, &single_stepcode, sizeof(single_stepcode), 0); 869 ok(got_exception == 3, "expected 3 single step exceptions, got %d\n", got_exception); 870 871 /* test alignment exceptions */ 872 got_exception = 0; 873 run_exception_test(align_check_handler, NULL, align_check_code, sizeof(align_check_code), 0); 874 ok(got_exception == 0, "got %d alignment faults, expected 0\n", got_exception); 875 876 /* test direction flag */ 877 got_exception = 0; 878 run_exception_test(direction_flag_handler, NULL, direction_flag_code, sizeof(direction_flag_code), 0); 879 ok(got_exception == 1, "got %d exceptions, expected 1\n", got_exception); 880 881 /* test single stepping over hardware breakpoint */ 882 memset(&ctx, 0, sizeof(ctx)); 883 ctx.Dr0 = (DWORD) code_mem; /* set hw bp on first nop */ 884 ctx.Dr7 = 3; 885 ctx.ContextFlags = CONTEXT_DEBUG_REGISTERS; 886 res = pNtSetContextThread( GetCurrentThread(), &ctx); 887 ok( res == STATUS_SUCCESS, "NtSetContextThread failed with %x\n", res); 888 889 got_exception = 0; 890 run_exception_test(bpx_handler, NULL, dummy_code, sizeof(dummy_code), 0); 891 ok( got_exception == 4,"expected 4 exceptions, got %d\n", got_exception); 892 893 /* test int3 handling */ 894 run_exception_test(int3_handler, NULL, int3_code, sizeof(int3_code), 0); 895 896 /* test that hardware breakpoints are not inherited by created threads */ 897 res = pNtSetContextThread( GetCurrentThread(), &ctx ); 898 ok( res == STATUS_SUCCESS, "NtSetContextThread failed with %x\n", res ); 899 900 h = CreateThread( NULL, 0, hw_reg_exception_thread, 0, 0, NULL ); 901 WaitForSingleObject( h, 10000 ); 902 CloseHandle( h ); 903 904 h = CreateThread( NULL, 0, hw_reg_exception_thread, (void *)4, CREATE_SUSPENDED, NULL ); 905 ctx.ContextFlags = CONTEXT_DEBUG_REGISTERS; 906 res = pNtGetContextThread( h, &ctx ); 907 ok( res == STATUS_SUCCESS, "NtGetContextThread failed with %x\n", res ); 908 ok( ctx.Dr0 == 0, "dr0 %x\n", ctx.Dr0 ); 909 ok( ctx.Dr7 == 0, "dr7 %x\n", ctx.Dr7 ); 910 ctx.Dr0 = (DWORD)code_mem; 911 ctx.Dr7 = 3; 912 res = pNtSetContextThread( h, &ctx ); 913 ok( res == STATUS_SUCCESS, "NtSetContextThread failed with %x\n", res ); 914 ResumeThread( h ); 915 WaitForSingleObject( h, 10000 ); 916 CloseHandle( h ); 917 918 ctx.Dr0 = 0; 919 ctx.Dr7 = 0; 920 res = pNtSetContextThread( GetCurrentThread(), &ctx ); 921 ok( res == STATUS_SUCCESS, "NtSetContextThread failed with %x\n", res ); 922 } 923 924 static void test_debugger(void) 925 { 926 char cmdline[MAX_PATH]; 927 PROCESS_INFORMATION pi; 928 STARTUPINFOA si = { 0 }; 929 DEBUG_EVENT de; 930 DWORD continuestatus; 931 PVOID code_mem_address = NULL; 932 NTSTATUS status; 933 SIZE_T size_read; 934 BOOL ret; 935 int counter = 0; 936 si.cb = sizeof(si); 937 938 if(!pNtGetContextThread || !pNtSetContextThread || !pNtReadVirtualMemory || !pNtTerminateProcess) 939 { 940 skip("NtGetContextThread, NtSetContextThread, NtReadVirtualMemory or NtTerminateProcess not found\n"); 941 return; 942 } 943 944 sprintf(cmdline, "%s %s %s %p", my_argv[0], my_argv[1], "debuggee", &test_stage); 945 ret = CreateProcessA(NULL, cmdline, NULL, NULL, FALSE, DEBUG_PROCESS, NULL, NULL, &si, &pi); 946 ok(ret, "could not create child process error: %u\n", GetLastError()); 947 if (!ret) 948 return; 949 950 do 951 { 952 continuestatus = DBG_CONTINUE; 953 ok(WaitForDebugEvent(&de, INFINITE), "reading debug event\n"); 954 955 if (de.dwThreadId != pi.dwThreadId) 956 { 957 trace("event %d not coming from main thread, ignoring\n", de.dwDebugEventCode); 958 ContinueDebugEvent(de.dwProcessId, de.dwThreadId, DBG_CONTINUE); 959 continue; 960 } 961 962 if (de.dwDebugEventCode == CREATE_PROCESS_DEBUG_EVENT) 963 { 964 if(de.u.CreateProcessInfo.lpBaseOfImage != NtCurrentTeb()->Peb->ImageBaseAddress) 965 { 966 skip("child process loaded at different address, terminating it\n"); 967 pNtTerminateProcess(pi.hProcess, 0); 968 } 969 } 970 else if (de.dwDebugEventCode == EXCEPTION_DEBUG_EVENT) 971 { 972 CONTEXT ctx; 973 int stage; 974 975 counter++; 976 status = pNtReadVirtualMemory(pi.hProcess, &code_mem, &code_mem_address, 977 sizeof(code_mem_address), &size_read); 978 ok(!status,"NtReadVirtualMemory failed with 0x%x\n", status); 979 status = pNtReadVirtualMemory(pi.hProcess, &test_stage, &stage, 980 sizeof(stage), &size_read); 981 ok(!status,"NtReadVirtualMemory failed with 0x%x\n", status); 982 983 ctx.ContextFlags = CONTEXT_FULL; 984 status = pNtGetContextThread(pi.hThread, &ctx); 985 ok(!status, "NtGetContextThread failed with 0x%x\n", status); 986 987 trace("exception 0x%x at %p firstchance=%d Eip=0x%x, Eax=0x%x\n", 988 de.u.Exception.ExceptionRecord.ExceptionCode, 989 de.u.Exception.ExceptionRecord.ExceptionAddress, de.u.Exception.dwFirstChance, ctx.Eip, ctx.Eax); 990 991 if (counter > 100) 992 { 993 ok(FALSE, "got way too many exceptions, probably caught in an infinite loop, terminating child\n"); 994 pNtTerminateProcess(pi.hProcess, 1); 995 } 996 else if (counter >= 2) /* skip startup breakpoint */ 997 { 998 if (stage == 1) 999 { 1000 ok((char *)ctx.Eip == (char *)code_mem_address + 0xb, "Eip at %x instead of %p\n", 1001 ctx.Eip, (char *)code_mem_address + 0xb); 1002 /* setting the context from debugger does not affect the context, the exception handlers gets */ 1003 /* uncomment once wine is fixed */ 1004 /* ctx.Eip = 0x12345; */ 1005 ctx.Eax = 0xf00f00f1; 1006 1007 /* let the debuggee handle the exception */ 1008 continuestatus = DBG_EXCEPTION_NOT_HANDLED; 1009 } 1010 else if (stage == 2) 1011 { 1012 if (de.u.Exception.dwFirstChance) 1013 { 1014 /* debugger gets first chance exception with unmodified ctx.Eip */ 1015 ok((char *)ctx.Eip == (char *)code_mem_address + 0xb, "Eip at 0x%x instead of %p\n", 1016 ctx.Eip, (char *)code_mem_address + 0xb); 1017 1018 /* setting the context from debugger does not affect the context, the exception handlers gets */ 1019 /* uncomment once wine is fixed */ 1020 /* ctx.Eip = 0x12345; */ 1021 ctx.Eax = 0xf00f00f1; 1022 1023 /* pass exception to debuggee 1024 * exception will not be handled and 1025 * a second chance exception will be raised */ 1026 continuestatus = DBG_EXCEPTION_NOT_HANDLED; 1027 } 1028 else 1029 { 1030 /* debugger gets context after exception handler has played with it */ 1031 /* ctx.Eip is the same value the exception handler got */ 1032 if (de.u.Exception.ExceptionRecord.ExceptionCode == EXCEPTION_BREAKPOINT) 1033 { 1034 ok((char *)ctx.Eip == (char *)code_mem_address + 0xa || 1035 broken(is_wow64 && (char *)ctx.Eip == (char *)code_mem_address + 0xb), 1036 "Eip at 0x%x instead of %p\n", 1037 ctx.Eip, (char *)code_mem_address + 0xa); 1038 /* need to fixup Eip for debuggee */ 1039 if ((char *)ctx.Eip == (char *)code_mem_address + 0xa) 1040 ctx.Eip += 1; 1041 } 1042 else 1043 ok((char *)ctx.Eip == (char *)code_mem_address + 0xb, "Eip at 0x%x instead of %p\n", 1044 ctx.Eip, (char *)code_mem_address + 0xb); 1045 /* here we handle exception */ 1046 } 1047 } 1048 else if (stage == 7 || stage == 8) 1049 { 1050 ok(de.u.Exception.ExceptionRecord.ExceptionCode == EXCEPTION_BREAKPOINT, 1051 "expected EXCEPTION_BREAKPOINT, got %08x\n", de.u.Exception.ExceptionRecord.ExceptionCode); 1052 ok((char *)ctx.Eip == (char *)code_mem_address + 0x1d, 1053 "expected Eip = %p, got 0x%x\n", (char *)code_mem_address + 0x1d, ctx.Eip); 1054 1055 if (stage == 8) continuestatus = DBG_EXCEPTION_NOT_HANDLED; 1056 } 1057 else if (stage == 9 || stage == 10) 1058 { 1059 ok(de.u.Exception.ExceptionRecord.ExceptionCode == EXCEPTION_BREAKPOINT, 1060 "expected EXCEPTION_BREAKPOINT, got %08x\n", de.u.Exception.ExceptionRecord.ExceptionCode); 1061 ok((char *)ctx.Eip == (char *)code_mem_address + 2, 1062 "expected Eip = %p, got 0x%x\n", (char *)code_mem_address + 2, ctx.Eip); 1063 1064 if (stage == 10) continuestatus = DBG_EXCEPTION_NOT_HANDLED; 1065 } 1066 else if (stage == 11 || stage == 12) 1067 { 1068 ok(de.u.Exception.ExceptionRecord.ExceptionCode == EXCEPTION_INVALID_HANDLE, 1069 "unexpected exception code %08x, expected %08x\n", de.u.Exception.ExceptionRecord.ExceptionCode, 1070 EXCEPTION_INVALID_HANDLE); 1071 ok(de.u.Exception.ExceptionRecord.NumberParameters == 0, 1072 "unexpected number of parameters %d, expected 0\n", de.u.Exception.ExceptionRecord.NumberParameters); 1073 1074 if (stage == 12) continuestatus = DBG_EXCEPTION_NOT_HANDLED; 1075 } 1076 else 1077 ok(FALSE, "unexpected stage %x\n", stage); 1078 1079 status = pNtSetContextThread(pi.hThread, &ctx); 1080 ok(!status, "NtSetContextThread failed with 0x%x\n", status); 1081 } 1082 } 1083 else if (de.dwDebugEventCode == OUTPUT_DEBUG_STRING_EVENT) 1084 { 1085 int stage; 1086 #ifdef __REACTOS__ 1087 /* This will catch our DPRINTs, such as 1088 * "WARNING: RtlpDphTargetDllsLogicInitialize at ..\..\lib\rtl\heappage.c:1283 is UNIMPLEMENTED!" 1089 * so we need a full-size buffer to avoid a stack overflow 1090 */ 1091 char buffer[513]; 1092 #else 1093 char buffer[64]; 1094 #endif 1095 1096 status = pNtReadVirtualMemory(pi.hProcess, &test_stage, &stage, 1097 sizeof(stage), &size_read); 1098 ok(!status,"NtReadVirtualMemory failed with 0x%x\n", status); 1099 1100 ok(!de.u.DebugString.fUnicode, "unexpected unicode debug string event\n"); 1101 ok(de.u.DebugString.nDebugStringLength < sizeof(buffer) - 1, "buffer not large enough to hold %d bytes\n", 1102 de.u.DebugString.nDebugStringLength); 1103 1104 memset(buffer, 0, sizeof(buffer)); 1105 status = pNtReadVirtualMemory(pi.hProcess, de.u.DebugString.lpDebugStringData, buffer, 1106 de.u.DebugString.nDebugStringLength, &size_read); 1107 ok(!status,"NtReadVirtualMemory failed with 0x%x\n", status); 1108 1109 if (stage == 3 || stage == 4) 1110 ok(!strcmp(buffer, "Hello World"), "got unexpected debug string '%s'\n", buffer); 1111 else /* ignore unrelated debug strings like 'SHIMVIEW: ShimInfo(Complete)' */ 1112 ok(strstr(buffer, "SHIMVIEW") != NULL, "unexpected stage %x, got debug string event '%s'\n", stage, buffer); 1113 1114 if (stage == 4) continuestatus = DBG_EXCEPTION_NOT_HANDLED; 1115 } 1116 else if (de.dwDebugEventCode == RIP_EVENT) 1117 { 1118 int stage; 1119 1120 status = pNtReadVirtualMemory(pi.hProcess, &test_stage, &stage, 1121 sizeof(stage), &size_read); 1122 ok(!status,"NtReadVirtualMemory failed with 0x%x\n", status); 1123 1124 if (stage == 5 || stage == 6) 1125 { 1126 ok(de.u.RipInfo.dwError == 0x11223344, "got unexpected rip error code %08x, expected %08x\n", 1127 de.u.RipInfo.dwError, 0x11223344); 1128 ok(de.u.RipInfo.dwType == 0x55667788, "got unexpected rip type %08x, expected %08x\n", 1129 de.u.RipInfo.dwType, 0x55667788); 1130 } 1131 else 1132 ok(FALSE, "unexpected stage %x\n", stage); 1133 1134 if (stage == 6) continuestatus = DBG_EXCEPTION_NOT_HANDLED; 1135 } 1136 1137 ContinueDebugEvent(de.dwProcessId, de.dwThreadId, continuestatus); 1138 1139 } while (de.dwDebugEventCode != EXIT_PROCESS_DEBUG_EVENT); 1140 1141 winetest_wait_child_process( pi.hProcess ); 1142 ret = CloseHandle(pi.hThread); 1143 ok(ret, "error %u\n", GetLastError()); 1144 ret = CloseHandle(pi.hProcess); 1145 ok(ret, "error %u\n", GetLastError()); 1146 1147 return; 1148 } 1149 1150 static DWORD simd_fault_handler( EXCEPTION_RECORD *rec, EXCEPTION_REGISTRATION_RECORD *frame, 1151 CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **dispatcher ) 1152 { 1153 int *stage = *(int **)(frame + 1); 1154 1155 got_exception++; 1156 1157 if( *stage == 1) { 1158 /* fault while executing sse instruction */ 1159 context->Eip += 3; /* skip addps */ 1160 return ExceptionContinueExecution; 1161 } 1162 else if ( *stage == 2 || *stage == 3 ) { 1163 /* stage 2 - divide by zero fault */ 1164 /* stage 3 - invalid operation fault */ 1165 if( rec->ExceptionCode == EXCEPTION_ILLEGAL_INSTRUCTION) 1166 skip("system doesn't support SIMD exceptions\n"); 1167 else { 1168 ok( rec->ExceptionCode == STATUS_FLOAT_MULTIPLE_TRAPS, 1169 "exception code: %#x, should be %#x\n", 1170 rec->ExceptionCode, STATUS_FLOAT_MULTIPLE_TRAPS); 1171 ok( rec->NumberParameters == 1 || broken(is_wow64 && rec->NumberParameters == 2), 1172 "# of params: %i, should be 1\n", 1173 rec->NumberParameters); 1174 if( rec->NumberParameters == 1 ) 1175 ok( rec->ExceptionInformation[0] == 0, "param #1: %lx, should be 0\n", rec->ExceptionInformation[0]); 1176 } 1177 context->Eip += 3; /* skip divps */ 1178 } 1179 else 1180 ok(FALSE, "unexpected stage %x\n", *stage); 1181 1182 return ExceptionContinueExecution; 1183 } 1184 1185 static const BYTE simd_exception_test[] = { 1186 0x83, 0xec, 0x4, /* sub $0x4, %esp */ 1187 0x0f, 0xae, 0x1c, 0x24, /* stmxcsr (%esp) */ 1188 0x8b, 0x04, 0x24, /* mov (%esp),%eax * store mxcsr */ 1189 0x66, 0x81, 0x24, 0x24, 0xff, 0xfd, /* andw $0xfdff,(%esp) * enable divide by */ 1190 0x0f, 0xae, 0x14, 0x24, /* ldmxcsr (%esp) * zero exceptions */ 1191 0x6a, 0x01, /* push $0x1 */ 1192 0x6a, 0x01, /* push $0x1 */ 1193 0x6a, 0x01, /* push $0x1 */ 1194 0x6a, 0x01, /* push $0x1 */ 1195 0x0f, 0x10, 0x0c, 0x24, /* movups (%esp),%xmm1 * fill dividend */ 1196 0x0f, 0x57, 0xc0, /* xorps %xmm0,%xmm0 * clear divisor */ 1197 0x0f, 0x5e, 0xc8, /* divps %xmm0,%xmm1 * generate fault */ 1198 0x83, 0xc4, 0x10, /* add $0x10,%esp */ 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 simd_exception_test2[] = { 1206 0x83, 0xec, 0x4, /* sub $0x4, %esp */ 1207 0x0f, 0xae, 0x1c, 0x24, /* stmxcsr (%esp) */ 1208 0x8b, 0x04, 0x24, /* mov (%esp),%eax * store mxcsr */ 1209 0x66, 0x81, 0x24, 0x24, 0x7f, 0xff, /* andw $0xff7f,(%esp) * enable invalid */ 1210 0x0f, 0xae, 0x14, 0x24, /* ldmxcsr (%esp) * operation exceptions */ 1211 0x0f, 0x57, 0xc9, /* xorps %xmm1,%xmm1 * clear dividend */ 1212 0x0f, 0x57, 0xc0, /* xorps %xmm0,%xmm0 * clear divisor */ 1213 0x0f, 0x5e, 0xc8, /* divps %xmm0,%xmm1 * generate fault */ 1214 0x89, 0x04, 0x24, /* mov %eax,(%esp) * restore to old mxcsr */ 1215 0x0f, 0xae, 0x14, 0x24, /* ldmxcsr (%esp) */ 1216 0x83, 0xc4, 0x04, /* add $0x4,%esp */ 1217 0xc3, /* ret */ 1218 }; 1219 1220 static const BYTE sse_check[] = { 1221 0x0f, 0x58, 0xc8, /* addps %xmm0,%xmm1 */ 1222 0xc3, /* ret */ 1223 }; 1224 1225 static void test_simd_exceptions(void) 1226 { 1227 int stage; 1228 1229 /* test if CPU & OS can do sse */ 1230 stage = 1; 1231 got_exception = 0; 1232 run_exception_test(simd_fault_handler, &stage, sse_check, sizeof(sse_check), 0); 1233 if(got_exception) { 1234 skip("system doesn't support SSE\n"); 1235 return; 1236 } 1237 1238 /* generate a SIMD exception */ 1239 stage = 2; 1240 got_exception = 0; 1241 run_exception_test(simd_fault_handler, &stage, simd_exception_test, 1242 sizeof(simd_exception_test), 0); 1243 ok(got_exception == 1, "got exception: %i, should be 1\n", got_exception); 1244 1245 /* generate a SIMD exception, test FPE_FLTINV */ 1246 stage = 3; 1247 got_exception = 0; 1248 run_exception_test(simd_fault_handler, &stage, simd_exception_test2, 1249 sizeof(simd_exception_test2), 0); 1250 ok(got_exception == 1, "got exception: %i, should be 1\n", got_exception); 1251 } 1252 1253 struct fpu_exception_info 1254 { 1255 DWORD exception_code; 1256 DWORD exception_offset; 1257 DWORD eip_offset; 1258 }; 1259 1260 static DWORD fpu_exception_handler(EXCEPTION_RECORD *rec, EXCEPTION_REGISTRATION_RECORD *frame, 1261 CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **dispatcher) 1262 { 1263 struct fpu_exception_info *info = *(struct fpu_exception_info **)(frame + 1); 1264 1265 info->exception_code = rec->ExceptionCode; 1266 info->exception_offset = (BYTE *)rec->ExceptionAddress - (BYTE *)code_mem; 1267 info->eip_offset = context->Eip - (DWORD)code_mem; 1268 1269 ++context->Eip; 1270 return ExceptionContinueExecution; 1271 } 1272 1273 static void test_fpu_exceptions(void) 1274 { 1275 static const BYTE fpu_exception_test_ie[] = 1276 { 1277 0x83, 0xec, 0x04, /* sub $0x4,%esp */ 1278 0x66, 0xc7, 0x04, 0x24, 0xfe, 0x03, /* movw $0x3fe,(%esp) */ 1279 0x9b, 0xd9, 0x7c, 0x24, 0x02, /* fstcw 0x2(%esp) */ 1280 0xd9, 0x2c, 0x24, /* fldcw (%esp) */ 1281 0xd9, 0xee, /* fldz */ 1282 0xd9, 0xe8, /* fld1 */ 1283 0xde, 0xf1, /* fdivp */ 1284 0xdd, 0xd8, /* fstp %st(0) */ 1285 0xdd, 0xd8, /* fstp %st(0) */ 1286 0x9b, /* fwait */ 1287 0xdb, 0xe2, /* fnclex */ 1288 0xd9, 0x6c, 0x24, 0x02, /* fldcw 0x2(%esp) */ 1289 0x83, 0xc4, 0x04, /* add $0x4,%esp */ 1290 0xc3, /* ret */ 1291 }; 1292 1293 static const BYTE fpu_exception_test_de[] = 1294 { 1295 0x83, 0xec, 0x04, /* sub $0x4,%esp */ 1296 0x66, 0xc7, 0x04, 0x24, 0xfb, 0x03, /* movw $0x3fb,(%esp) */ 1297 0x9b, 0xd9, 0x7c, 0x24, 0x02, /* fstcw 0x2(%esp) */ 1298 0xd9, 0x2c, 0x24, /* fldcw (%esp) */ 1299 0xdd, 0xd8, /* fstp %st(0) */ 1300 0xd9, 0xee, /* fldz */ 1301 0xd9, 0xe8, /* fld1 */ 1302 0xde, 0xf1, /* fdivp */ 1303 0x9b, /* fwait */ 1304 0xdb, 0xe2, /* fnclex */ 1305 0xdd, 0xd8, /* fstp %st(0) */ 1306 0xdd, 0xd8, /* fstp %st(0) */ 1307 0xd9, 0x6c, 0x24, 0x02, /* fldcw 0x2(%esp) */ 1308 0x83, 0xc4, 0x04, /* add $0x4,%esp */ 1309 0xc3, /* ret */ 1310 }; 1311 1312 struct fpu_exception_info info; 1313 1314 memset(&info, 0, sizeof(info)); 1315 run_exception_test(fpu_exception_handler, &info, fpu_exception_test_ie, sizeof(fpu_exception_test_ie), 0); 1316 ok(info.exception_code == EXCEPTION_FLT_STACK_CHECK, 1317 "Got exception code %#x, expected EXCEPTION_FLT_STACK_CHECK\n", info.exception_code); 1318 ok(info.exception_offset == 0x19 || 1319 broken( info.exception_offset == info.eip_offset ), 1320 "Got exception offset %#x, expected 0x19\n", info.exception_offset); 1321 ok(info.eip_offset == 0x1b, "Got EIP offset %#x, expected 0x1b\n", info.eip_offset); 1322 1323 memset(&info, 0, sizeof(info)); 1324 run_exception_test(fpu_exception_handler, &info, fpu_exception_test_de, sizeof(fpu_exception_test_de), 0); 1325 ok(info.exception_code == EXCEPTION_FLT_DIVIDE_BY_ZERO, 1326 "Got exception code %#x, expected EXCEPTION_FLT_DIVIDE_BY_ZERO\n", info.exception_code); 1327 ok(info.exception_offset == 0x17 || 1328 broken( info.exception_offset == info.eip_offset ), 1329 "Got exception offset %#x, expected 0x17\n", info.exception_offset); 1330 ok(info.eip_offset == 0x19, "Got EIP offset %#x, expected 0x19\n", info.eip_offset); 1331 } 1332 1333 struct dpe_exception_info { 1334 BOOL exception_caught; 1335 DWORD exception_info; 1336 }; 1337 1338 static DWORD dpe_exception_handler(EXCEPTION_RECORD *rec, EXCEPTION_REGISTRATION_RECORD *frame, 1339 CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **dispatcher) 1340 { 1341 DWORD old_prot; 1342 struct dpe_exception_info *info = *(struct dpe_exception_info **)(frame + 1); 1343 1344 ok(rec->ExceptionCode == EXCEPTION_ACCESS_VIOLATION, 1345 "Exception code %08x\n", rec->ExceptionCode); 1346 ok(rec->NumberParameters == 2, 1347 "Parameter count: %d\n", rec->NumberParameters); 1348 ok((LPVOID)rec->ExceptionInformation[1] == code_mem, 1349 "Exception address: %p, expected %p\n", 1350 (LPVOID)rec->ExceptionInformation[1], code_mem); 1351 1352 info->exception_info = rec->ExceptionInformation[0]; 1353 info->exception_caught = TRUE; 1354 1355 VirtualProtect(code_mem, 1, PAGE_EXECUTE_READWRITE, &old_prot); 1356 return ExceptionContinueExecution; 1357 } 1358 1359 static void test_dpe_exceptions(void) 1360 { 1361 static const BYTE single_ret[] = {0xC3}; 1362 struct dpe_exception_info info; 1363 NTSTATUS stat; 1364 BOOL has_hw_support; 1365 BOOL is_permanent = FALSE, can_test_without = TRUE, can_test_with = TRUE; 1366 DWORD val; 1367 ULONG len; 1368 1369 /* Query DEP with len too small */ 1370 stat = pNtQueryInformationProcess(GetCurrentProcess(), ProcessExecuteFlags, &val, sizeof val - 1, &len); 1371 if(stat == STATUS_INVALID_INFO_CLASS) 1372 { 1373 skip("This software platform does not support DEP\n"); 1374 return; 1375 } 1376 ok(stat == STATUS_INFO_LENGTH_MISMATCH, "buffer too small: %08x\n", stat); 1377 1378 /* Query DEP */ 1379 stat = pNtQueryInformationProcess(GetCurrentProcess(), ProcessExecuteFlags, &val, sizeof val, &len); 1380 ok(stat == STATUS_SUCCESS, "querying DEP: status %08x\n", stat); 1381 if(stat == STATUS_SUCCESS) 1382 { 1383 ok(len == sizeof val, "returned length: %d\n", len); 1384 if(val & MEM_EXECUTE_OPTION_PERMANENT) 1385 { 1386 skip("toggling DEP impossible - status locked\n"); 1387 is_permanent = TRUE; 1388 if(val & MEM_EXECUTE_OPTION_DISABLE) 1389 can_test_without = FALSE; 1390 else 1391 can_test_with = FALSE; 1392 } 1393 } 1394 1395 if(!is_permanent) 1396 { 1397 /* Enable DEP */ 1398 val = MEM_EXECUTE_OPTION_DISABLE; 1399 stat = pNtSetInformationProcess(GetCurrentProcess(), ProcessExecuteFlags, &val, sizeof val); 1400 ok(stat == STATUS_SUCCESS, "enabling DEP: status %08x\n", stat); 1401 } 1402 1403 if(can_test_with) 1404 { 1405 /* Try access to locked page with DEP on*/ 1406 info.exception_caught = FALSE; 1407 run_exception_test(dpe_exception_handler, &info, single_ret, sizeof(single_ret), PAGE_NOACCESS); 1408 ok(info.exception_caught == TRUE, "Execution of disabled memory succeeded\n"); 1409 ok(info.exception_info == EXCEPTION_READ_FAULT || 1410 info.exception_info == EXCEPTION_EXECUTE_FAULT, 1411 "Access violation type: %08x\n", (unsigned)info.exception_info); 1412 has_hw_support = info.exception_info == EXCEPTION_EXECUTE_FAULT; 1413 trace("DEP hardware support: %s\n", has_hw_support?"Yes":"No"); 1414 1415 /* Try execution of data with DEP on*/ 1416 info.exception_caught = FALSE; 1417 run_exception_test(dpe_exception_handler, &info, single_ret, sizeof(single_ret), PAGE_READWRITE); 1418 if(has_hw_support) 1419 { 1420 ok(info.exception_caught == TRUE, "Execution of data memory succeeded\n"); 1421 ok(info.exception_info == EXCEPTION_EXECUTE_FAULT, 1422 "Access violation type: %08x\n", (unsigned)info.exception_info); 1423 } 1424 else 1425 ok(info.exception_caught == FALSE, "Execution trapped without hardware support\n"); 1426 } 1427 else 1428 skip("DEP is in AlwaysOff state\n"); 1429 1430 if(!is_permanent) 1431 { 1432 /* Disable DEP */ 1433 val = MEM_EXECUTE_OPTION_ENABLE; 1434 stat = pNtSetInformationProcess(GetCurrentProcess(), ProcessExecuteFlags, &val, sizeof val); 1435 ok(stat == STATUS_SUCCESS, "disabling DEP: status %08x\n", stat); 1436 } 1437 1438 /* page is read without exec here */ 1439 if(can_test_without) 1440 { 1441 /* Try execution of data with DEP off */ 1442 info.exception_caught = FALSE; 1443 run_exception_test(dpe_exception_handler, &info, single_ret, sizeof(single_ret), PAGE_READWRITE); 1444 ok(info.exception_caught == FALSE, "Execution trapped with DEP turned off\n"); 1445 1446 /* Try access to locked page with DEP off - error code is different than 1447 with hardware DEP on */ 1448 info.exception_caught = FALSE; 1449 run_exception_test(dpe_exception_handler, &info, single_ret, sizeof(single_ret), PAGE_NOACCESS); 1450 ok(info.exception_caught == TRUE, "Execution of disabled memory succeeded\n"); 1451 ok(info.exception_info == EXCEPTION_READ_FAULT, 1452 "Access violation type: %08x\n", (unsigned)info.exception_info); 1453 } 1454 else 1455 skip("DEP is in AlwaysOn state\n"); 1456 1457 if(!is_permanent) 1458 { 1459 /* Turn off DEP permanently */ 1460 val = MEM_EXECUTE_OPTION_ENABLE | MEM_EXECUTE_OPTION_PERMANENT; 1461 stat = pNtSetInformationProcess(GetCurrentProcess(), ProcessExecuteFlags, &val, sizeof val); 1462 ok(stat == STATUS_SUCCESS, "disabling DEP permanently: status %08x\n", stat); 1463 } 1464 1465 /* Try to turn off DEP */ 1466 val = MEM_EXECUTE_OPTION_ENABLE; 1467 stat = pNtSetInformationProcess(GetCurrentProcess(), ProcessExecuteFlags, &val, sizeof val); 1468 ok(stat == STATUS_ACCESS_DENIED, "disabling DEP while permanent: status %08x\n", stat); 1469 1470 /* Try to turn on DEP */ 1471 val = MEM_EXECUTE_OPTION_DISABLE; 1472 stat = pNtSetInformationProcess(GetCurrentProcess(), ProcessExecuteFlags, &val, sizeof val); 1473 ok(stat == STATUS_ACCESS_DENIED, "enabling DEP while permanent: status %08x\n", stat); 1474 } 1475 1476 static void test_thread_context(void) 1477 { 1478 CONTEXT context; 1479 NTSTATUS status; 1480 struct expected 1481 { 1482 DWORD Eax, Ebx, Ecx, Edx, Esi, Edi, Ebp, Esp, Eip, 1483 SegCs, SegDs, SegEs, SegFs, SegGs, SegSs, EFlags, prev_frame; 1484 } expect; 1485 NTSTATUS (*func_ptr)( struct expected *res, void *func, void *arg1, void *arg2 ) = (void *)code_mem; 1486 1487 static const BYTE call_func[] = 1488 { 1489 0x55, /* pushl %ebp */ 1490 0x89, 0xe5, /* mov %esp,%ebp */ 1491 0x50, /* pushl %eax ; add a bit of offset to the stack */ 1492 0x50, /* pushl %eax */ 1493 0x50, /* pushl %eax */ 1494 0x50, /* pushl %eax */ 1495 0x8b, 0x45, 0x08, /* mov 0x8(%ebp),%eax */ 1496 0x8f, 0x00, /* popl (%eax) */ 1497 0x89, 0x58, 0x04, /* mov %ebx,0x4(%eax) */ 1498 0x89, 0x48, 0x08, /* mov %ecx,0x8(%eax) */ 1499 0x89, 0x50, 0x0c, /* mov %edx,0xc(%eax) */ 1500 0x89, 0x70, 0x10, /* mov %esi,0x10(%eax) */ 1501 0x89, 0x78, 0x14, /* mov %edi,0x14(%eax) */ 1502 0x89, 0x68, 0x18, /* mov %ebp,0x18(%eax) */ 1503 0x89, 0x60, 0x1c, /* mov %esp,0x1c(%eax) */ 1504 0xff, 0x75, 0x04, /* pushl 0x4(%ebp) */ 1505 0x8f, 0x40, 0x20, /* popl 0x20(%eax) */ 1506 0x8c, 0x48, 0x24, /* mov %cs,0x24(%eax) */ 1507 0x8c, 0x58, 0x28, /* mov %ds,0x28(%eax) */ 1508 0x8c, 0x40, 0x2c, /* mov %es,0x2c(%eax) */ 1509 0x8c, 0x60, 0x30, /* mov %fs,0x30(%eax) */ 1510 0x8c, 0x68, 0x34, /* mov %gs,0x34(%eax) */ 1511 0x8c, 0x50, 0x38, /* mov %ss,0x38(%eax) */ 1512 0x9c, /* pushf */ 1513 0x8f, 0x40, 0x3c, /* popl 0x3c(%eax) */ 1514 0xff, 0x75, 0x00, /* pushl 0x0(%ebp) ; previous stack frame */ 1515 0x8f, 0x40, 0x40, /* popl 0x40(%eax) */ 1516 0x8b, 0x00, /* mov (%eax),%eax */ 1517 0xff, 0x75, 0x14, /* pushl 0x14(%ebp) */ 1518 0xff, 0x75, 0x10, /* pushl 0x10(%ebp) */ 1519 0xff, 0x55, 0x0c, /* call *0xc(%ebp) */ 1520 0xc9, /* leave */ 1521 0xc3, /* ret */ 1522 }; 1523 1524 memcpy( func_ptr, call_func, sizeof(call_func) ); 1525 1526 #define COMPARE(reg) \ 1527 ok( context.reg == expect.reg, "wrong " #reg " %08x/%08x\n", context.reg, expect.reg ) 1528 1529 memset( &context, 0xcc, sizeof(context) ); 1530 memset( &expect, 0xcc, sizeof(expect) ); 1531 func_ptr( &expect, pRtlCaptureContext, &context, 0 ); 1532 trace( "expect: eax=%08x ebx=%08x ecx=%08x edx=%08x esi=%08x edi=%08x ebp=%08x esp=%08x " 1533 "eip=%08x cs=%04x ds=%04x es=%04x fs=%04x gs=%04x ss=%04x flags=%08x prev=%08x\n", 1534 expect.Eax, expect.Ebx, expect.Ecx, expect.Edx, expect.Esi, expect.Edi, 1535 expect.Ebp, expect.Esp, expect.Eip, expect.SegCs, expect.SegDs, expect.SegEs, 1536 expect.SegFs, expect.SegGs, expect.SegSs, expect.EFlags, expect.prev_frame ); 1537 trace( "actual: eax=%08x ebx=%08x ecx=%08x edx=%08x esi=%08x edi=%08x ebp=%08x esp=%08x " 1538 "eip=%08x cs=%04x ds=%04x es=%04x fs=%04x gs=%04x ss=%04x flags=%08x\n", 1539 context.Eax, context.Ebx, context.Ecx, context.Edx, context.Esi, context.Edi, 1540 context.Ebp, context.Esp, context.Eip, context.SegCs, context.SegDs, context.SegEs, 1541 context.SegFs, context.SegGs, context.SegSs, context.EFlags ); 1542 1543 ok( context.ContextFlags == (CONTEXT_CONTROL | CONTEXT_INTEGER | CONTEXT_SEGMENTS) || 1544 broken( context.ContextFlags == 0xcccccccc ), /* <= vista */ 1545 "wrong flags %08x\n", context.ContextFlags ); 1546 COMPARE( Eax ); 1547 COMPARE( Ebx ); 1548 COMPARE( Ecx ); 1549 COMPARE( Edx ); 1550 COMPARE( Esi ); 1551 COMPARE( Edi ); 1552 COMPARE( Eip ); 1553 COMPARE( SegCs ); 1554 COMPARE( SegDs ); 1555 COMPARE( SegEs ); 1556 COMPARE( SegFs ); 1557 COMPARE( SegGs ); 1558 COMPARE( SegSs ); 1559 COMPARE( EFlags ); 1560 /* Ebp is from the previous stackframe */ 1561 ok( context.Ebp == expect.prev_frame, "wrong Ebp %08x/%08x\n", context.Ebp, expect.prev_frame ); 1562 /* Esp is the value on entry to the previous stackframe */ 1563 ok( context.Esp == expect.Ebp + 8, "wrong Esp %08x/%08x\n", context.Esp, expect.Ebp + 8 ); 1564 1565 memset( &context, 0xcc, sizeof(context) ); 1566 memset( &expect, 0xcc, sizeof(expect) ); 1567 context.ContextFlags = CONTEXT_CONTROL | CONTEXT_INTEGER | CONTEXT_SEGMENTS; 1568 status = func_ptr( &expect, pNtGetContextThread, (void *)GetCurrentThread(), &context ); 1569 ok( status == STATUS_SUCCESS, "NtGetContextThread failed %08x\n", status ); 1570 trace( "expect: eax=%08x ebx=%08x ecx=%08x edx=%08x esi=%08x edi=%08x ebp=%08x esp=%08x " 1571 "eip=%08x cs=%04x ds=%04x es=%04x fs=%04x gs=%04x ss=%04x flags=%08x prev=%08x\n", 1572 expect.Eax, expect.Ebx, expect.Ecx, expect.Edx, expect.Esi, expect.Edi, 1573 expect.Ebp, expect.Esp, expect.Eip, expect.SegCs, expect.SegDs, expect.SegEs, 1574 expect.SegFs, expect.SegGs, expect.SegSs, expect.EFlags, expect.prev_frame ); 1575 trace( "actual: eax=%08x ebx=%08x ecx=%08x edx=%08x esi=%08x edi=%08x ebp=%08x esp=%08x " 1576 "eip=%08x cs=%04x ds=%04x es=%04x fs=%04x gs=%04x ss=%04x flags=%08x\n", 1577 context.Eax, context.Ebx, context.Ecx, context.Edx, context.Esi, context.Edi, 1578 context.Ebp, context.Esp, context.Eip, context.SegCs, context.SegDs, context.SegEs, 1579 context.SegFs, context.SegGs, context.SegSs, context.EFlags ); 1580 /* Eax, Ecx, Edx, EFlags are not preserved */ 1581 COMPARE( Ebx ); 1582 COMPARE( Esi ); 1583 COMPARE( Edi ); 1584 COMPARE( Ebp ); 1585 /* Esp is the stack upon entry to NtGetContextThread */ 1586 ok( context.Esp == expect.Esp - 12 || context.Esp == expect.Esp - 16, 1587 "wrong Esp %08x/%08x\n", context.Esp, expect.Esp ); 1588 /* Eip is somewhere close to the NtGetContextThread implementation */ 1589 ok( (char *)context.Eip >= (char *)pNtGetContextThread - 0x10000 && 1590 (char *)context.Eip <= (char *)pNtGetContextThread + 0x10000, 1591 "wrong Eip %08x/%08x\n", context.Eip, (DWORD)pNtGetContextThread ); 1592 ok( *(WORD *)context.Eip == 0xc483 || *(WORD *)context.Eip == 0x08c2 || *(WORD *)context.Eip == 0x8dc3, 1593 "expected 0xc483 or 0x08c2 or 0x8dc3, got %04x\n", *(WORD *)context.Eip ); 1594 /* segment registers clear the high word */ 1595 ok( context.SegCs == LOWORD(expect.SegCs), "wrong SegCs %08x/%08x\n", context.SegCs, expect.SegCs ); 1596 ok( context.SegDs == LOWORD(expect.SegDs), "wrong SegDs %08x/%08x\n", context.SegDs, expect.SegDs ); 1597 ok( context.SegEs == LOWORD(expect.SegEs), "wrong SegEs %08x/%08x\n", context.SegEs, expect.SegEs ); 1598 ok( context.SegFs == LOWORD(expect.SegFs), "wrong SegFs %08x/%08x\n", context.SegFs, expect.SegFs ); 1599 ok( context.SegGs == LOWORD(expect.SegGs), "wrong SegGs %08x/%08x\n", context.SegGs, expect.SegGs ); 1600 ok( context.SegSs == LOWORD(expect.SegSs), "wrong SegSs %08x/%08x\n", context.SegSs, expect.SegGs ); 1601 #undef COMPARE 1602 } 1603 1604 #elif defined(__x86_64__) 1605 1606 #define is_wow64 0 1607 1608 #define UNW_FLAG_NHANDLER 0 1609 #define UNW_FLAG_EHANDLER 1 1610 #define UNW_FLAG_UHANDLER 2 1611 #define UNW_FLAG_CHAININFO 4 1612 1613 #define UWOP_PUSH_NONVOL 0 1614 #define UWOP_ALLOC_LARGE 1 1615 #define UWOP_ALLOC_SMALL 2 1616 #define UWOP_SET_FPREG 3 1617 #define UWOP_SAVE_NONVOL 4 1618 #define UWOP_SAVE_NONVOL_FAR 5 1619 #define UWOP_SAVE_XMM128 8 1620 #define UWOP_SAVE_XMM128_FAR 9 1621 #define UWOP_PUSH_MACHFRAME 10 1622 1623 struct results 1624 { 1625 int rip_offset; /* rip offset from code start */ 1626 int rbp_offset; /* rbp offset from stack pointer */ 1627 int handler; /* expect handler to be set? */ 1628 int rip; /* expected final rip value */ 1629 int frame; /* expected frame return value */ 1630 int regs[8][2]; /* expected values for registers */ 1631 }; 1632 1633 struct unwind_test 1634 { 1635 const BYTE *function; 1636 size_t function_size; 1637 const BYTE *unwind_info; 1638 const struct results *results; 1639 unsigned int nb_results; 1640 }; 1641 1642 enum regs 1643 { 1644 rax, rcx, rdx, rbx, rsp, rbp, rsi, rdi, 1645 r8, r9, r10, r11, r12, r13, r14, r15 1646 }; 1647 1648 static const char * const reg_names[16] = 1649 { 1650 "rax", "rcx", "rdx", "rbx", "rsp", "rbp", "rsi", "rdi", 1651 "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15" 1652 }; 1653 1654 #define UWOP(code,info) (UWOP_##code | ((info) << 4)) 1655 1656 static void call_virtual_unwind( int testnum, const struct unwind_test *test ) 1657 { 1658 static const int code_offset = 1024; 1659 static const int unwind_offset = 2048; 1660 void *handler, *data; 1661 CONTEXT context; 1662 RUNTIME_FUNCTION runtime_func; 1663 KNONVOLATILE_CONTEXT_POINTERS ctx_ptr; 1664 UINT i, j, k; 1665 ULONG64 fake_stack[256]; 1666 ULONG64 frame, orig_rip, orig_rbp, unset_reg; 1667 UINT unwind_size = 4 + 2 * test->unwind_info[2] + 8; 1668 1669 memcpy( (char *)code_mem + code_offset, test->function, test->function_size ); 1670 memcpy( (char *)code_mem + unwind_offset, test->unwind_info, unwind_size ); 1671 1672 runtime_func.BeginAddress = code_offset; 1673 runtime_func.EndAddress = code_offset + test->function_size; 1674 runtime_func.UnwindData = unwind_offset; 1675 1676 trace( "code: %p stack: %p\n", code_mem, fake_stack ); 1677 1678 for (i = 0; i < test->nb_results; i++) 1679 { 1680 memset( &ctx_ptr, 0, sizeof(ctx_ptr) ); 1681 memset( &context, 0x55, sizeof(context) ); 1682 memset( &unset_reg, 0x55, sizeof(unset_reg) ); 1683 for (j = 0; j < 256; j++) fake_stack[j] = j * 8; 1684 1685 context.Rsp = (ULONG_PTR)fake_stack; 1686 context.Rbp = (ULONG_PTR)fake_stack + test->results[i].rbp_offset; 1687 orig_rbp = context.Rbp; 1688 orig_rip = (ULONG64)code_mem + code_offset + test->results[i].rip_offset; 1689 1690 trace( "%u/%u: rip=%p (%02x) rbp=%p rsp=%p\n", testnum, i, 1691 (void *)orig_rip, *(BYTE *)orig_rip, (void *)orig_rbp, (void *)context.Rsp ); 1692 1693 data = (void *)0xdeadbeef; 1694 handler = RtlVirtualUnwind( UNW_FLAG_EHANDLER, (ULONG64)code_mem, orig_rip, 1695 &runtime_func, &context, &data, &frame, &ctx_ptr ); 1696 if (test->results[i].handler) 1697 { 1698 ok( (char *)handler == (char *)code_mem + 0x200, 1699 "%u/%u: wrong handler %p/%p\n", testnum, i, handler, (char *)code_mem + 0x200 ); 1700 if (handler) ok( *(DWORD *)data == 0x08070605, 1701 "%u/%u: wrong handler data %p\n", testnum, i, data ); 1702 } 1703 else 1704 { 1705 ok( handler == NULL, "%u/%u: handler %p instead of NULL\n", testnum, i, handler ); 1706 ok( data == (void *)0xdeadbeef, "%u/%u: handler data set to %p\n", testnum, i, data ); 1707 } 1708 1709 ok( context.Rip == test->results[i].rip, "%u/%u: wrong rip %p/%x\n", 1710 testnum, i, (void *)context.Rip, test->results[i].rip ); 1711 ok( frame == (ULONG64)fake_stack + test->results[i].frame, "%u/%u: wrong frame %p/%p\n", 1712 testnum, i, (void *)frame, (char *)fake_stack + test->results[i].frame ); 1713 1714 for (j = 0; j < 16; j++) 1715 { 1716 static const UINT nb_regs = sizeof(test->results[i].regs) / sizeof(test->results[i].regs[0]); 1717 1718 for (k = 0; k < nb_regs; k++) 1719 { 1720 if (test->results[i].regs[k][0] == -1) 1721 { 1722 k = nb_regs; 1723 break; 1724 } 1725 if (test->results[i].regs[k][0] == j) break; 1726 } 1727 1728 if (j == rsp) /* rsp is special */ 1729 { 1730 ok( !ctx_ptr.u2.IntegerContext[j], 1731 "%u/%u: rsp should not be set in ctx_ptr\n", testnum, i ); 1732 ok( context.Rsp == (ULONG64)fake_stack + test->results[i].regs[k][1], 1733 "%u/%u: register rsp wrong %p/%p\n", 1734 testnum, i, (void *)context.Rsp, (char *)fake_stack + test->results[i].regs[k][1] ); 1735 continue; 1736 } 1737 1738 if (ctx_ptr.u2.IntegerContext[j]) 1739 { 1740 ok( k < nb_regs, "%u/%u: register %s should not be set to %lx\n", 1741 testnum, i, reg_names[j], *(&context.Rax + j) ); 1742 if (k < nb_regs) 1743 ok( *(&context.Rax + j) == test->results[i].regs[k][1], 1744 "%u/%u: register %s wrong %p/%x\n", 1745 testnum, i, reg_names[j], (void *)*(&context.Rax + j), test->results[i].regs[k][1] ); 1746 } 1747 else 1748 { 1749 ok( k == nb_regs, "%u/%u: register %s should be set\n", testnum, i, reg_names[j] ); 1750 if (j == rbp) 1751 ok( context.Rbp == orig_rbp, "%u/%u: register rbp wrong %p/unset\n", 1752 testnum, i, (void *)context.Rbp ); 1753 else 1754 ok( *(&context.Rax + j) == unset_reg, 1755 "%u/%u: register %s wrong %p/unset\n", 1756 testnum, i, reg_names[j], (void *)*(&context.Rax + j)); 1757 } 1758 } 1759 } 1760 } 1761 1762 static void test_virtual_unwind(void) 1763 { 1764 static const BYTE function_0[] = 1765 { 1766 0xff, 0xf5, /* 00: push %rbp */ 1767 0x48, 0x81, 0xec, 0x10, 0x01, 0x00, 0x00, /* 02: sub $0x110,%rsp */ 1768 0x48, 0x8d, 0x6c, 0x24, 0x30, /* 09: lea 0x30(%rsp),%rbp */ 1769 0x48, 0x89, 0x9d, 0xf0, 0x00, 0x00, 0x00, /* 0e: mov %rbx,0xf0(%rbp) */ 1770 0x48, 0x89, 0xb5, 0xf8, 0x00, 0x00, 0x00, /* 15: mov %rsi,0xf8(%rbp) */ 1771 0x90, /* 1c: nop */ 1772 0x48, 0x8b, 0x9d, 0xf0, 0x00, 0x00, 0x00, /* 1d: mov 0xf0(%rbp),%rbx */ 1773 0x48, 0x8b, 0xb5, 0xf8, 0x00, 0x00, 0x00, /* 24: mov 0xf8(%rbp),%rsi */ 1774 0x48, 0x8d, 0xa5, 0xe0, 0x00, 0x00, 0x00, /* 2b: lea 0xe0(%rbp),%rsp */ 1775 0x5d, /* 32: pop %rbp */ 1776 0xc3 /* 33: ret */ 1777 }; 1778 1779 static const BYTE unwind_info_0[] = 1780 { 1781 1 | (UNW_FLAG_EHANDLER << 3), /* version + flags */ 1782 0x1c, /* prolog size */ 1783 8, /* opcode count */ 1784 (0x03 << 4) | rbp, /* frame reg rbp offset 0x30 */ 1785 1786 0x1c, UWOP(SAVE_NONVOL, rsi), 0x25, 0, /* 1c: mov %rsi,0x128(%rsp) */ 1787 0x15, UWOP(SAVE_NONVOL, rbx), 0x24, 0, /* 15: mov %rbx,0x120(%rsp) */ 1788 0x0e, UWOP(SET_FPREG, rbp), /* 0e: lea 0x30(%rsp),rbp */ 1789 0x09, UWOP(ALLOC_LARGE, 0), 0x22, 0, /* 09: sub $0x110,%rsp */ 1790 0x02, UWOP(PUSH_NONVOL, rbp), /* 02: push %rbp */ 1791 1792 0x00, 0x02, 0x00, 0x00, /* handler */ 1793 0x05, 0x06, 0x07, 0x08, /* data */ 1794 }; 1795 1796 static const struct results results_0[] = 1797 { 1798 /* offset rbp handler rip frame registers */ 1799 { 0x00, 0x40, FALSE, 0x000, 0x000, { {rsp,0x008}, {-1,-1} }}, 1800 { 0x02, 0x40, FALSE, 0x008, 0x000, { {rsp,0x010}, {rbp,0x000}, {-1,-1} }}, 1801 { 0x09, 0x40, FALSE, 0x118, 0x000, { {rsp,0x120}, {rbp,0x110}, {-1,-1} }}, 1802 { 0x0e, 0x40, FALSE, 0x128, 0x010, { {rsp,0x130}, {rbp,0x120}, {-1,-1} }}, 1803 { 0x15, 0x40, FALSE, 0x128, 0x010, { {rsp,0x130}, {rbp,0x120}, {rbx,0x130}, {-1,-1} }}, 1804 { 0x1c, 0x40, TRUE, 0x128, 0x010, { {rsp,0x130}, {rbp,0x120}, {rbx,0x130}, {rsi,0x138}, {-1,-1}}}, 1805 { 0x1d, 0x40, TRUE, 0x128, 0x010, { {rsp,0x130}, {rbp,0x120}, {rbx,0x130}, {rsi,0x138}, {-1,-1}}}, 1806 { 0x24, 0x40, TRUE, 0x128, 0x010, { {rsp,0x130}, {rbp,0x120}, {rbx,0x130}, {rsi,0x138}, {-1,-1}}}, 1807 { 0x2b, 0x40, FALSE, 0x128, 0x010, { {rsp,0x130}, {rbp,0x120}, {-1,-1}}}, 1808 { 0x32, 0x40, FALSE, 0x008, 0x010, { {rsp,0x010}, {rbp,0x000}, {-1,-1}}}, 1809 { 0x33, 0x40, FALSE, 0x000, 0x010, { {rsp,0x008}, {-1,-1}}}, 1810 }; 1811 1812 1813 static const BYTE function_1[] = 1814 { 1815 0x53, /* 00: push %rbx */ 1816 0x55, /* 01: push %rbp */ 1817 0x56, /* 02: push %rsi */ 1818 0x57, /* 03: push %rdi */ 1819 0x41, 0x54, /* 04: push %r12 */ 1820 0x48, 0x83, 0xec, 0x30, /* 06: sub $0x30,%rsp */ 1821 0x90, 0x90, /* 0a: nop; nop */ 1822 0x48, 0x83, 0xc4, 0x30, /* 0c: add $0x30,%rsp */ 1823 0x41, 0x5c, /* 10: pop %r12 */ 1824 0x5f, /* 12: pop %rdi */ 1825 0x5e, /* 13: pop %rsi */ 1826 0x5d, /* 14: pop %rbp */ 1827 0x5b, /* 15: pop %rbx */ 1828 0xc3 /* 16: ret */ 1829 }; 1830 1831 static const BYTE unwind_info_1[] = 1832 { 1833 1 | (UNW_FLAG_EHANDLER << 3), /* version + flags */ 1834 0x0a, /* prolog size */ 1835 6, /* opcode count */ 1836 0, /* frame reg */ 1837 1838 0x0a, UWOP(ALLOC_SMALL, 5), /* 0a: sub $0x30,%rsp */ 1839 0x06, UWOP(PUSH_NONVOL, r12), /* 06: push %r12 */ 1840 0x04, UWOP(PUSH_NONVOL, rdi), /* 04: push %rdi */ 1841 0x03, UWOP(PUSH_NONVOL, rsi), /* 03: push %rsi */ 1842 0x02, UWOP(PUSH_NONVOL, rbp), /* 02: push %rbp */ 1843 0x01, UWOP(PUSH_NONVOL, rbx), /* 01: push %rbx */ 1844 1845 0x00, 0x02, 0x00, 0x00, /* handler */ 1846 0x05, 0x06, 0x07, 0x08, /* data */ 1847 }; 1848 1849 static const struct results results_1[] = 1850 { 1851 /* offset rbp handler rip frame registers */ 1852 { 0x00, 0x50, FALSE, 0x000, 0x000, { {rsp,0x008}, {-1,-1} }}, 1853 { 0x01, 0x50, FALSE, 0x008, 0x000, { {rsp,0x010}, {rbx,0x000}, {-1,-1} }}, 1854 { 0x02, 0x50, FALSE, 0x010, 0x000, { {rsp,0x018}, {rbx,0x008}, {rbp,0x000}, {-1,-1} }}, 1855 { 0x03, 0x50, FALSE, 0x018, 0x000, { {rsp,0x020}, {rbx,0x010}, {rbp,0x008}, {rsi,0x000}, {-1,-1} }}, 1856 { 0x04, 0x50, FALSE, 0x020, 0x000, { {rsp,0x028}, {rbx,0x018}, {rbp,0x010}, {rsi,0x008}, {rdi,0x000}, {-1,-1} }}, 1857 { 0x06, 0x50, FALSE, 0x028, 0x000, { {rsp,0x030}, {rbx,0x020}, {rbp,0x018}, {rsi,0x010}, {rdi,0x008}, {r12,0x000}, {-1,-1} }}, 1858 { 0x0a, 0x50, TRUE, 0x058, 0x000, { {rsp,0x060}, {rbx,0x050}, {rbp,0x048}, {rsi,0x040}, {rdi,0x038}, {r12,0x030}, {-1,-1} }}, 1859 { 0x0c, 0x50, FALSE, 0x058, 0x000, { {rsp,0x060}, {rbx,0x050}, {rbp,0x048}, {rsi,0x040}, {rdi,0x038}, {r12,0x030}, {-1,-1} }}, 1860 { 0x10, 0x50, FALSE, 0x028, 0x000, { {rsp,0x030}, {rbx,0x020}, {rbp,0x018}, {rsi,0x010}, {rdi,0x008}, {r12,0x000}, {-1,-1} }}, 1861 { 0x12, 0x50, FALSE, 0x020, 0x000, { {rsp,0x028}, {rbx,0x018}, {rbp,0x010}, {rsi,0x008}, {rdi,0x000}, {-1,-1} }}, 1862 { 0x13, 0x50, FALSE, 0x018, 0x000, { {rsp,0x020}, {rbx,0x010}, {rbp,0x008}, {rsi,0x000}, {-1,-1} }}, 1863 { 0x14, 0x50, FALSE, 0x010, 0x000, { {rsp,0x018}, {rbx,0x008}, {rbp,0x000}, {-1,-1} }}, 1864 { 0x15, 0x50, FALSE, 0x008, 0x000, { {rsp,0x010}, {rbx,0x000}, {-1,-1} }}, 1865 { 0x16, 0x50, FALSE, 0x000, 0x000, { {rsp,0x008}, {-1,-1} }}, 1866 }; 1867 1868 static const struct unwind_test tests[] = 1869 { 1870 { function_0, sizeof(function_0), unwind_info_0, 1871 results_0, sizeof(results_0)/sizeof(results_0[0]) }, 1872 { function_1, sizeof(function_1), unwind_info_1, 1873 results_1, sizeof(results_1)/sizeof(results_1[0]) } 1874 }; 1875 unsigned int i; 1876 1877 for (i = 0; i < sizeof(tests)/sizeof(tests[0]); i++) 1878 call_virtual_unwind( i, &tests[i] ); 1879 } 1880 1881 static int consolidate_dummy_called; 1882 static PVOID CALLBACK test_consolidate_dummy(EXCEPTION_RECORD *rec) 1883 { 1884 CONTEXT *ctx = (CONTEXT *)rec->ExceptionInformation[1]; 1885 consolidate_dummy_called = 1; 1886 ok(ctx->Rip == 0xdeadbeef, "test_consolidate_dummy failed for Rip, expected: 0xdeadbeef, got: %lx\n", ctx->Rip); 1887 return (PVOID)rec->ExceptionInformation[2]; 1888 } 1889 1890 static void test_restore_context(void) 1891 { 1892 SETJMP_FLOAT128 *fltsave; 1893 EXCEPTION_RECORD rec; 1894 _JUMP_BUFFER buf; 1895 CONTEXT ctx; 1896 int i, pass; 1897 1898 if (!pRtlUnwindEx || !pRtlRestoreContext || !pRtlCaptureContext || !p_setjmp) 1899 { 1900 skip("RtlUnwindEx/RtlCaptureContext/RtlRestoreContext/_setjmp not found\n"); 1901 return; 1902 } 1903 1904 /* RtlRestoreContext(NULL, NULL); crashes on Windows */ 1905 1906 /* test simple case of capture and restore context */ 1907 pass = 0; 1908 InterlockedIncrement(&pass); /* interlocked to prevent compiler from moving after capture */ 1909 pRtlCaptureContext(&ctx); 1910 if (InterlockedIncrement(&pass) == 2) /* interlocked to prevent compiler from moving before capture */ 1911 { 1912 pRtlRestoreContext(&ctx, NULL); 1913 ok(0, "shouldn't be reached\n"); 1914 } 1915 else 1916 ok(pass < 4, "unexpected pass %d\n", pass); 1917 1918 /* test with jmp using RltRestoreContext */ 1919 pass = 0; 1920 InterlockedIncrement(&pass); 1921 RtlCaptureContext(&ctx); 1922 InterlockedIncrement(&pass); /* only called once */ 1923 p_setjmp(&buf); 1924 InterlockedIncrement(&pass); 1925 if (pass == 3) 1926 { 1927 rec.ExceptionCode = STATUS_LONGJUMP; 1928 rec.NumberParameters = 1; 1929 rec.ExceptionInformation[0] = (DWORD64)&buf; 1930 1931 /* uses buf.Rip instead of ctx.Rip */ 1932 pRtlRestoreContext(&ctx, &rec); 1933 ok(0, "shouldn't be reached\n"); 1934 } 1935 else if (pass == 4) 1936 { 1937 ok(buf.Rbx == ctx.Rbx, "longjmp failed for Rbx, expected: %lx, got: %lx\n", buf.Rbx, ctx.Rbx); 1938 ok(buf.Rsp == ctx.Rsp, "longjmp failed for Rsp, expected: %lx, got: %lx\n", buf.Rsp, ctx.Rsp); 1939 ok(buf.Rbp == ctx.Rbp, "longjmp failed for Rbp, expected: %lx, got: %lx\n", buf.Rbp, ctx.Rbp); 1940 ok(buf.Rsi == ctx.Rsi, "longjmp failed for Rsi, expected: %lx, got: %lx\n", buf.Rsi, ctx.Rsi); 1941 ok(buf.Rdi == ctx.Rdi, "longjmp failed for Rdi, expected: %lx, got: %lx\n", buf.Rdi, ctx.Rdi); 1942 ok(buf.R12 == ctx.R12, "longjmp failed for R12, expected: %lx, got: %lx\n", buf.R12, ctx.R12); 1943 ok(buf.R13 == ctx.R13, "longjmp failed for R13, expected: %lx, got: %lx\n", buf.R13, ctx.R13); 1944 ok(buf.R14 == ctx.R14, "longjmp failed for R14, expected: %lx, got: %lx\n", buf.R14, ctx.R14); 1945 ok(buf.R15 == ctx.R15, "longjmp failed for R15, expected: %lx, got: %lx\n", buf.R15, ctx.R15); 1946 1947 fltsave = &buf.Xmm6; 1948 for (i = 0; i < 10; i++) 1949 { 1950 ok(fltsave[i].Part[0] == ctx.u.FltSave.XmmRegisters[i + 6].Low, 1951 "longjmp failed for Xmm%d, expected %lx, got %lx\n", i + 6, 1952 fltsave[i].Part[0], ctx.u.FltSave.XmmRegisters[i + 6].Low); 1953 1954 ok(fltsave[i].Part[1] == ctx.u.FltSave.XmmRegisters[i + 6].High, 1955 "longjmp failed for Xmm%d, expected %lx, got %lx\n", i + 6, 1956 fltsave[i].Part[1], ctx.u.FltSave.XmmRegisters[i + 6].High); 1957 } 1958 } 1959 else 1960 ok(0, "unexpected pass %d\n", pass); 1961 1962 /* test with jmp through RtlUnwindEx */ 1963 pass = 0; 1964 InterlockedIncrement(&pass); 1965 pRtlCaptureContext(&ctx); 1966 InterlockedIncrement(&pass); /* only called once */ 1967 p_setjmp(&buf); 1968 InterlockedIncrement(&pass); 1969 if (pass == 3) 1970 { 1971 rec.ExceptionCode = STATUS_LONGJUMP; 1972 rec.NumberParameters = 1; 1973 rec.ExceptionInformation[0] = (DWORD64)&buf; 1974 1975 /* uses buf.Rip instead of bogus 0xdeadbeef */ 1976 pRtlUnwindEx((void*)buf.Rsp, (void*)0xdeadbeef, &rec, NULL, &ctx, NULL); 1977 ok(0, "shouldn't be reached\n"); 1978 } 1979 else 1980 ok(pass == 4, "unexpected pass %d\n", pass); 1981 1982 1983 /* test with consolidate */ 1984 pass = 0; 1985 InterlockedIncrement(&pass); 1986 RtlCaptureContext(&ctx); 1987 InterlockedIncrement(&pass); 1988 if (pass == 2) 1989 { 1990 rec.ExceptionCode = STATUS_UNWIND_CONSOLIDATE; 1991 rec.NumberParameters = 3; 1992 rec.ExceptionInformation[0] = (DWORD64)test_consolidate_dummy; 1993 rec.ExceptionInformation[1] = (DWORD64)&ctx; 1994 rec.ExceptionInformation[2] = ctx.Rip; 1995 ctx.Rip = 0xdeadbeef; 1996 1997 pRtlRestoreContext(&ctx, &rec); 1998 ok(0, "shouldn't be reached\n"); 1999 } 2000 else if (pass == 3) 2001 ok(consolidate_dummy_called, "test_consolidate_dummy not called\n"); 2002 else 2003 ok(0, "unexpected pass %d\n", pass); 2004 } 2005 2006 static RUNTIME_FUNCTION* CALLBACK dynamic_unwind_callback( DWORD64 pc, PVOID context ) 2007 { 2008 static const int code_offset = 1024; 2009 static RUNTIME_FUNCTION runtime_func; 2010 (*(DWORD *)context)++; 2011 2012 runtime_func.BeginAddress = code_offset + 16; 2013 runtime_func.EndAddress = code_offset + 32; 2014 runtime_func.UnwindData = 0; 2015 return &runtime_func; 2016 } 2017 2018 static void test_dynamic_unwind(void) 2019 { 2020 static const int code_offset = 1024; 2021 char buf[sizeof(RUNTIME_FUNCTION) + 4]; 2022 RUNTIME_FUNCTION *runtime_func, *func; 2023 ULONG_PTR table, base; 2024 DWORD count; 2025 2026 /* Test RtlAddFunctionTable with aligned RUNTIME_FUNCTION pointer */ 2027 runtime_func = (RUNTIME_FUNCTION *)buf; 2028 runtime_func->BeginAddress = code_offset; 2029 runtime_func->EndAddress = code_offset + 16; 2030 runtime_func->UnwindData = 0; 2031 ok( pRtlAddFunctionTable( runtime_func, 1, (ULONG_PTR)code_mem ), 2032 "RtlAddFunctionTable failed for runtime_func = %p (aligned)\n", runtime_func ); 2033 2034 /* Lookup function outside of any function table */ 2035 base = 0xdeadbeef; 2036 func = pRtlLookupFunctionEntry( (ULONG_PTR)code_mem + code_offset + 16, &base, NULL ); 2037 ok( func == NULL, 2038 "RtlLookupFunctionEntry returned unexpected function, expected: NULL, got: %p\n", func ); 2039 ok( !base || broken(base == 0xdeadbeef), 2040 "RtlLookupFunctionEntry modified base address, expected: 0, got: %lx\n", base ); 2041 2042 /* Test with pointer inside of our function */ 2043 base = 0xdeadbeef; 2044 func = pRtlLookupFunctionEntry( (ULONG_PTR)code_mem + code_offset + 8, &base, NULL ); 2045 ok( func == runtime_func, 2046 "RtlLookupFunctionEntry didn't return expected function, expected: %p, got: %p\n", runtime_func, func ); 2047 ok( base == (ULONG_PTR)code_mem, 2048 "RtlLookupFunctionEntry returned invalid base, expected: %lx, got: %lx\n", (ULONG_PTR)code_mem, base ); 2049 2050 /* Test RtlDeleteFunctionTable */ 2051 ok( pRtlDeleteFunctionTable( runtime_func ), 2052 "RtlDeleteFunctionTable failed for runtime_func = %p (aligned)\n", runtime_func ); 2053 ok( !pRtlDeleteFunctionTable( runtime_func ), 2054 "RtlDeleteFunctionTable returned success for nonexistent table runtime_func = %p\n", runtime_func ); 2055 2056 /* Unaligned RUNTIME_FUNCTION pointer */ 2057 runtime_func = (RUNTIME_FUNCTION *)((ULONG_PTR)buf | 0x3); 2058 runtime_func->BeginAddress = code_offset; 2059 runtime_func->EndAddress = code_offset + 16; 2060 runtime_func->UnwindData = 0; 2061 ok( pRtlAddFunctionTable( runtime_func, 1, (ULONG_PTR)code_mem ), 2062 "RtlAddFunctionTable failed for runtime_func = %p (unaligned)\n", runtime_func ); 2063 ok( pRtlDeleteFunctionTable( runtime_func ), 2064 "RtlDeleteFunctionTable failed for runtime_func = %p (unaligned)\n", runtime_func ); 2065 2066 /* Attempt to insert the same entry twice */ 2067 runtime_func = (RUNTIME_FUNCTION *)buf; 2068 runtime_func->BeginAddress = code_offset; 2069 runtime_func->EndAddress = code_offset + 16; 2070 runtime_func->UnwindData = 0; 2071 ok( pRtlAddFunctionTable( runtime_func, 1, (ULONG_PTR)code_mem ), 2072 "RtlAddFunctionTable failed for runtime_func = %p (first attempt)\n", runtime_func ); 2073 ok( pRtlAddFunctionTable( runtime_func, 1, (ULONG_PTR)code_mem ), 2074 "RtlAddFunctionTable failed for runtime_func = %p (second attempt)\n", runtime_func ); 2075 ok( pRtlDeleteFunctionTable( runtime_func ), 2076 "RtlDeleteFunctionTable failed for runtime_func = %p (first attempt)\n", runtime_func ); 2077 ok( pRtlDeleteFunctionTable( runtime_func ), 2078 "RtlDeleteFunctionTable failed for runtime_func = %p (second attempt)\n", runtime_func ); 2079 ok( !pRtlDeleteFunctionTable( runtime_func ), 2080 "RtlDeleteFunctionTable returned success for nonexistent table runtime_func = %p\n", runtime_func ); 2081 2082 /* Test RtlInstallFunctionTableCallback with both low bits unset */ 2083 table = (ULONG_PTR)code_mem; 2084 ok( !pRtlInstallFunctionTableCallback( table, (ULONG_PTR)code_mem, code_offset + 32, &dynamic_unwind_callback, (PVOID*)&count, NULL ), 2085 "RtlInstallFunctionTableCallback returned success for table = %lx\n", table ); 2086 2087 /* Test RtlInstallFunctionTableCallback with both low bits set */ 2088 table = (ULONG_PTR)code_mem | 0x3; 2089 ok( pRtlInstallFunctionTableCallback( table, (ULONG_PTR)code_mem, code_offset + 32, &dynamic_unwind_callback, (PVOID*)&count, NULL ), 2090 "RtlInstallFunctionTableCallback failed for table = %lx\n", table ); 2091 2092 /* Lookup function outside of any function table */ 2093 count = 0; 2094 base = 0xdeadbeef; 2095 func = pRtlLookupFunctionEntry( (ULONG_PTR)code_mem + code_offset + 32, &base, NULL ); 2096 ok( func == NULL, 2097 "RtlLookupFunctionEntry returned unexpected function, expected: NULL, got: %p\n", func ); 2098 ok( !base || broken(base == 0xdeadbeef), 2099 "RtlLookupFunctionEntry modified base address, expected: 0, got: %lx\n", base ); 2100 ok( !count, 2101 "RtlLookupFunctionEntry issued %d unexpected calls to dynamic_unwind_callback\n", count ); 2102 2103 /* Test with pointer inside of our function */ 2104 count = 0; 2105 base = 0xdeadbeef; 2106 func = pRtlLookupFunctionEntry( (ULONG_PTR)code_mem + code_offset + 24, &base, NULL ); 2107 ok( func != NULL && func->BeginAddress == code_offset + 16 && func->EndAddress == code_offset + 32, 2108 "RtlLookupFunctionEntry didn't return expected function, got: %p\n", func ); 2109 ok( base == (ULONG_PTR)code_mem, 2110 "RtlLookupFunctionEntry returned invalid base, expected: %lx, got: %lx\n", (ULONG_PTR)code_mem, base ); 2111 ok( count == 1, 2112 "RtlLookupFunctionEntry issued %d calls to dynamic_unwind_callback, expected: 1\n", count ); 2113 2114 /* Clean up again */ 2115 ok( pRtlDeleteFunctionTable( (PRUNTIME_FUNCTION)table ), 2116 "RtlDeleteFunctionTable failed for table = %p\n", (PVOID)table ); 2117 ok( !pRtlDeleteFunctionTable( (PRUNTIME_FUNCTION)table ), 2118 "RtlDeleteFunctionTable returned success for nonexistent table = %p\n", (PVOID)table ); 2119 2120 } 2121 2122 static int termination_handler_called; 2123 static void WINAPI termination_handler(ULONG flags, ULONG64 frame) 2124 { 2125 termination_handler_called++; 2126 2127 ok(flags == 1 || broken(flags == 0x401), "flags = %x\n", flags); 2128 ok(frame == 0x1234, "frame = %p\n", (void*)frame); 2129 } 2130 2131 static void test___C_specific_handler(void) 2132 { 2133 DISPATCHER_CONTEXT dispatch; 2134 EXCEPTION_RECORD rec; 2135 CONTEXT context; 2136 ULONG64 frame; 2137 EXCEPTION_DISPOSITION ret; 2138 SCOPE_TABLE scope_table; 2139 2140 if (!p__C_specific_handler) 2141 { 2142 win_skip("__C_specific_handler not available\n"); 2143 return; 2144 } 2145 2146 memset(&rec, 0, sizeof(rec)); 2147 rec.ExceptionFlags = 2; /* EH_UNWINDING */ 2148 frame = 0x1234; 2149 memset(&dispatch, 0, sizeof(dispatch)); 2150 dispatch.ImageBase = (ULONG_PTR)GetModuleHandleA(NULL); 2151 dispatch.ControlPc = dispatch.ImageBase + 0x200; 2152 dispatch.HandlerData = &scope_table; 2153 dispatch.ContextRecord = &context; 2154 scope_table.Count = 1; 2155 scope_table.ScopeRecord[0].BeginAddress = 0x200; 2156 scope_table.ScopeRecord[0].EndAddress = 0x400; 2157 scope_table.ScopeRecord[0].HandlerAddress = (ULONG_PTR)termination_handler-dispatch.ImageBase; 2158 scope_table.ScopeRecord[0].JumpTarget = 0; 2159 memset(&context, 0, sizeof(context)); 2160 2161 termination_handler_called = 0; 2162 ret = p__C_specific_handler(&rec, frame, &context, &dispatch); 2163 ok(ret == ExceptionContinueSearch, "__C_specific_handler returned %x\n", ret); 2164 ok(termination_handler_called == 1, "termination_handler_called = %d\n", 2165 termination_handler_called); 2166 ok(dispatch.ScopeIndex == 1, "dispatch.ScopeIndex = %d\n", dispatch.ScopeIndex); 2167 2168 ret = p__C_specific_handler(&rec, frame, &context, &dispatch); 2169 ok(ret == ExceptionContinueSearch, "__C_specific_handler returned %x\n", ret); 2170 ok(termination_handler_called == 1, "termination_handler_called = %d\n", 2171 termination_handler_called); 2172 ok(dispatch.ScopeIndex == 1, "dispatch.ScopeIndex = %d\n", dispatch.ScopeIndex); 2173 } 2174 2175 #endif /* __x86_64__ */ 2176 2177 #if defined(__i386__) || defined(__x86_64__) 2178 2179 static DWORD WINAPI register_check_thread(void *arg) 2180 { 2181 NTSTATUS status; 2182 CONTEXT ctx; 2183 2184 memset(&ctx, 0, sizeof(ctx)); 2185 ctx.ContextFlags = CONTEXT_DEBUG_REGISTERS; 2186 2187 status = pNtGetContextThread(GetCurrentThread(), &ctx); 2188 ok(status == STATUS_SUCCESS, "NtGetContextThread failed with %x\n", status); 2189 ok(!ctx.Dr0, "expected 0, got %lx\n", (DWORD_PTR)ctx.Dr0); 2190 ok(!ctx.Dr1, "expected 0, got %lx\n", (DWORD_PTR)ctx.Dr1); 2191 ok(!ctx.Dr2, "expected 0, got %lx\n", (DWORD_PTR)ctx.Dr2); 2192 ok(!ctx.Dr3, "expected 0, got %lx\n", (DWORD_PTR)ctx.Dr3); 2193 ok(!ctx.Dr6, "expected 0, got %lx\n", (DWORD_PTR)ctx.Dr6); 2194 ok(!ctx.Dr7, "expected 0, got %lx\n", (DWORD_PTR)ctx.Dr7); 2195 2196 return 0; 2197 } 2198 2199 static void test_debug_registers(void) 2200 { 2201 static const struct 2202 { 2203 ULONG_PTR dr0, dr1, dr2, dr3, dr6, dr7; 2204 } 2205 tests[] = 2206 { 2207 { 0x42424240, 0, 0x126bb070, 0x0badbad0, 0, 0xffff0115 }, 2208 { 0x42424242, 0, 0x100f0fe7, 0x0abebabe, 0, 0x115 }, 2209 }; 2210 NTSTATUS status; 2211 CONTEXT ctx; 2212 HANDLE thread; 2213 int i; 2214 2215 for (i = 0; i < sizeof(tests)/sizeof(tests[0]); i++) 2216 { 2217 memset(&ctx, 0, sizeof(ctx)); 2218 ctx.ContextFlags = CONTEXT_DEBUG_REGISTERS; 2219 ctx.Dr0 = tests[i].dr0; 2220 ctx.Dr1 = tests[i].dr1; 2221 ctx.Dr2 = tests[i].dr2; 2222 ctx.Dr3 = tests[i].dr3; 2223 ctx.Dr6 = tests[i].dr6; 2224 ctx.Dr7 = tests[i].dr7; 2225 2226 status = pNtSetContextThread(GetCurrentThread(), &ctx); 2227 ok(status == STATUS_SUCCESS, "NtGetContextThread failed with %08x\n", status); 2228 2229 memset(&ctx, 0, sizeof(ctx)); 2230 ctx.ContextFlags = CONTEXT_DEBUG_REGISTERS; 2231 2232 status = pNtGetContextThread(GetCurrentThread(), &ctx); 2233 ok(status == STATUS_SUCCESS, "NtGetContextThread failed with %08x\n", status); 2234 ok(ctx.Dr0 == tests[i].dr0, "test %d: expected %lx, got %lx\n", i, tests[i].dr0, (DWORD_PTR)ctx.Dr0); 2235 ok(ctx.Dr1 == tests[i].dr1, "test %d: expected %lx, got %lx\n", i, tests[i].dr1, (DWORD_PTR)ctx.Dr1); 2236 ok(ctx.Dr2 == tests[i].dr2, "test %d: expected %lx, got %lx\n", i, tests[i].dr2, (DWORD_PTR)ctx.Dr2); 2237 ok(ctx.Dr3 == tests[i].dr3, "test %d: expected %lx, got %lx\n", i, tests[i].dr3, (DWORD_PTR)ctx.Dr3); 2238 ok((ctx.Dr6 & 0xf00f) == tests[i].dr6, "test %d: expected %lx, got %lx\n", i, tests[i].dr6, (DWORD_PTR)ctx.Dr6); 2239 ok((ctx.Dr7 & ~0xdc00) == tests[i].dr7, "test %d: expected %lx, got %lx\n", i, tests[i].dr7, (DWORD_PTR)ctx.Dr7); 2240 } 2241 2242 memset(&ctx, 0, sizeof(ctx)); 2243 ctx.ContextFlags = CONTEXT_DEBUG_REGISTERS; 2244 ctx.Dr0 = 0xffffffff; 2245 ctx.Dr1 = 0xffffffff; 2246 ctx.Dr2 = 0xffffffff; 2247 ctx.Dr3 = 0xffffffff; 2248 ctx.Dr6 = 0xffffffff; 2249 ctx.Dr7 = 0x00000400; 2250 status = pNtSetContextThread(GetCurrentThread(), &ctx); 2251 ok(status == STATUS_SUCCESS, "NtSetContextThread failed with %x\n", status); 2252 2253 thread = CreateThread(NULL, 0, register_check_thread, NULL, CREATE_SUSPENDED, NULL); 2254 ok(thread != INVALID_HANDLE_VALUE, "CreateThread failed with %d\n", GetLastError()); 2255 2256 ctx.ContextFlags = CONTEXT_DEBUG_REGISTERS; 2257 status = pNtGetContextThread(thread, &ctx); 2258 ok(status == STATUS_SUCCESS, "NtGetContextThread failed with %x\n", status); 2259 ok(!ctx.Dr0, "expected 0, got %lx\n", (DWORD_PTR)ctx.Dr0); 2260 ok(!ctx.Dr1, "expected 0, got %lx\n", (DWORD_PTR)ctx.Dr1); 2261 ok(!ctx.Dr2, "expected 0, got %lx\n", (DWORD_PTR)ctx.Dr2); 2262 ok(!ctx.Dr3, "expected 0, got %lx\n", (DWORD_PTR)ctx.Dr3); 2263 ok(!ctx.Dr6, "expected 0, got %lx\n", (DWORD_PTR)ctx.Dr6); 2264 ok(!ctx.Dr7, "expected 0, got %lx\n", (DWORD_PTR)ctx.Dr7); 2265 2266 ResumeThread(thread); 2267 WaitForSingleObject(thread, 10000); 2268 CloseHandle(thread); 2269 } 2270 2271 static DWORD outputdebugstring_exceptions; 2272 2273 static LONG CALLBACK outputdebugstring_vectored_handler(EXCEPTION_POINTERS *ExceptionInfo) 2274 { 2275 PEXCEPTION_RECORD rec = ExceptionInfo->ExceptionRecord; 2276 trace("vect. handler %08x addr:%p\n", rec->ExceptionCode, rec->ExceptionAddress); 2277 2278 ok(rec->ExceptionCode == DBG_PRINTEXCEPTION_C, "ExceptionCode is %08x instead of %08x\n", 2279 rec->ExceptionCode, DBG_PRINTEXCEPTION_C); 2280 ok(rec->NumberParameters == 2, "ExceptionParameters is %d instead of 2\n", rec->NumberParameters); 2281 ok(rec->ExceptionInformation[0] == 12, "ExceptionInformation[0] = %d instead of 12\n", (DWORD)rec->ExceptionInformation[0]); 2282 ok(!strcmp((char *)rec->ExceptionInformation[1], "Hello World"), 2283 "ExceptionInformation[1] = '%s' instead of 'Hello World'\n", (char *)rec->ExceptionInformation[1]); 2284 2285 outputdebugstring_exceptions++; 2286 return EXCEPTION_CONTINUE_SEARCH; 2287 } 2288 2289 static void test_outputdebugstring(DWORD numexc) 2290 { 2291 PVOID vectored_handler; 2292 2293 if (!pRtlAddVectoredExceptionHandler || !pRtlRemoveVectoredExceptionHandler) 2294 { 2295 skip("RtlAddVectoredExceptionHandler or RtlRemoveVectoredExceptionHandler not found\n"); 2296 return; 2297 } 2298 2299 vectored_handler = pRtlAddVectoredExceptionHandler(TRUE, &outputdebugstring_vectored_handler); 2300 ok(vectored_handler != 0, "RtlAddVectoredExceptionHandler failed\n"); 2301 2302 outputdebugstring_exceptions = 0; 2303 OutputDebugStringA("Hello World"); 2304 2305 ok(outputdebugstring_exceptions == numexc, "OutputDebugStringA generated %d exceptions, expected %d\n", 2306 outputdebugstring_exceptions, numexc); 2307 2308 pRtlRemoveVectoredExceptionHandler(vectored_handler); 2309 } 2310 2311 static DWORD ripevent_exceptions; 2312 2313 static LONG CALLBACK ripevent_vectored_handler(EXCEPTION_POINTERS *ExceptionInfo) 2314 { 2315 PEXCEPTION_RECORD rec = ExceptionInfo->ExceptionRecord; 2316 trace("vect. handler %08x addr:%p\n", rec->ExceptionCode, rec->ExceptionAddress); 2317 2318 ok(rec->ExceptionCode == DBG_RIPEXCEPTION, "ExceptionCode is %08x instead of %08x\n", 2319 rec->ExceptionCode, DBG_RIPEXCEPTION); 2320 ok(rec->NumberParameters == 2, "ExceptionParameters is %d instead of 2\n", rec->NumberParameters); 2321 ok(rec->ExceptionInformation[0] == 0x11223344, "ExceptionInformation[0] = %08x instead of %08x\n", 2322 (NTSTATUS)rec->ExceptionInformation[0], 0x11223344); 2323 ok(rec->ExceptionInformation[1] == 0x55667788, "ExceptionInformation[1] = %08x instead of %08x\n", 2324 (NTSTATUS)rec->ExceptionInformation[1], 0x55667788); 2325 2326 ripevent_exceptions++; 2327 return (rec->ExceptionCode == DBG_RIPEXCEPTION) ? EXCEPTION_CONTINUE_EXECUTION : EXCEPTION_CONTINUE_SEARCH; 2328 } 2329 2330 static void test_ripevent(DWORD numexc) 2331 { 2332 EXCEPTION_RECORD record; 2333 PVOID vectored_handler; 2334 2335 if (!pRtlAddVectoredExceptionHandler || !pRtlRemoveVectoredExceptionHandler || !pRtlRaiseException) 2336 { 2337 skip("RtlAddVectoredExceptionHandler or RtlRemoveVectoredExceptionHandler or RtlRaiseException not found\n"); 2338 return; 2339 } 2340 2341 vectored_handler = pRtlAddVectoredExceptionHandler(TRUE, &ripevent_vectored_handler); 2342 ok(vectored_handler != 0, "RtlAddVectoredExceptionHandler failed\n"); 2343 2344 record.ExceptionCode = DBG_RIPEXCEPTION; 2345 record.ExceptionFlags = 0; 2346 record.ExceptionRecord = NULL; 2347 record.ExceptionAddress = NULL; 2348 record.NumberParameters = 2; 2349 record.ExceptionInformation[0] = 0x11223344; 2350 record.ExceptionInformation[1] = 0x55667788; 2351 2352 ripevent_exceptions = 0; 2353 pRtlRaiseException(&record); 2354 ok(ripevent_exceptions == numexc, "RtlRaiseException generated %d exceptions, expected %d\n", 2355 ripevent_exceptions, numexc); 2356 2357 pRtlRemoveVectoredExceptionHandler(vectored_handler); 2358 } 2359 2360 static DWORD debug_service_exceptions; 2361 2362 static LONG CALLBACK debug_service_handler(EXCEPTION_POINTERS *ExceptionInfo) 2363 { 2364 EXCEPTION_RECORD *rec = ExceptionInfo->ExceptionRecord; 2365 trace("vect. handler %08x addr:%p\n", rec->ExceptionCode, rec->ExceptionAddress); 2366 2367 ok(rec->ExceptionCode == EXCEPTION_BREAKPOINT, "ExceptionCode is %08x instead of %08x\n", 2368 rec->ExceptionCode, EXCEPTION_BREAKPOINT); 2369 2370 #ifdef __i386__ 2371 ok(ExceptionInfo->ContextRecord->Eip == (DWORD)code_mem + 0x1c, 2372 "expected Eip = %x, got %x\n", (DWORD)code_mem + 0x1c, ExceptionInfo->ContextRecord->Eip); 2373 ok(rec->NumberParameters == (is_wow64 ? 1 : 3), 2374 "ExceptionParameters is %d instead of %d\n", rec->NumberParameters, is_wow64 ? 1 : 3); 2375 ok(rec->ExceptionInformation[0] == ExceptionInfo->ContextRecord->Eax, 2376 "expected ExceptionInformation[0] = %x, got %lx\n", 2377 ExceptionInfo->ContextRecord->Eax, rec->ExceptionInformation[0]); 2378 if (!is_wow64) 2379 { 2380 ok(rec->ExceptionInformation[1] == 0x11111111, 2381 "got ExceptionInformation[1] = %lx\n", rec->ExceptionInformation[1]); 2382 ok(rec->ExceptionInformation[2] == 0x22222222, 2383 "got ExceptionInformation[2] = %lx\n", rec->ExceptionInformation[2]); 2384 } 2385 #else 2386 ok(ExceptionInfo->ContextRecord->Rip == (DWORD_PTR)code_mem + 0x2f, 2387 "expected Rip = %lx, got %lx\n", (DWORD_PTR)code_mem + 0x2f, ExceptionInfo->ContextRecord->Rip); 2388 ok(rec->NumberParameters == 1, 2389 "ExceptionParameters is %d instead of 1\n", rec->NumberParameters); 2390 ok(rec->ExceptionInformation[0] == ExceptionInfo->ContextRecord->Rax, 2391 "expected ExceptionInformation[0] = %lx, got %lx\n", 2392 ExceptionInfo->ContextRecord->Rax, rec->ExceptionInformation[0]); 2393 #endif 2394 2395 debug_service_exceptions++; 2396 return (rec->ExceptionCode == EXCEPTION_BREAKPOINT) ? EXCEPTION_CONTINUE_EXECUTION : EXCEPTION_CONTINUE_SEARCH; 2397 } 2398 2399 #ifdef __i386__ 2400 2401 static const BYTE call_debug_service_code[] = { 2402 0x53, /* pushl %ebx */ 2403 0x57, /* pushl %edi */ 2404 0x8b, 0x44, 0x24, 0x0c, /* movl 12(%esp),%eax */ 2405 0xb9, 0x11, 0x11, 0x11, 0x11, /* movl $0x11111111,%ecx */ 2406 0xba, 0x22, 0x22, 0x22, 0x22, /* movl $0x22222222,%edx */ 2407 0xbb, 0x33, 0x33, 0x33, 0x33, /* movl $0x33333333,%ebx */ 2408 0xbf, 0x44, 0x44, 0x44, 0x44, /* movl $0x44444444,%edi */ 2409 0xcd, 0x2d, /* int $0x2d */ 2410 0xeb, /* jmp $+17 */ 2411 0x0f, 0x1f, 0x00, /* nop */ 2412 0x31, 0xc0, /* xorl %eax,%eax */ 2413 0xeb, 0x0c, /* jmp $+14 */ 2414 0x90, 0x90, 0x90, 0x90, /* nop */ 2415 0x90, 0x90, 0x90, 0x90, 2416 0x90, 2417 0x31, 0xc0, /* xorl %eax,%eax */ 2418 0x40, /* incl %eax */ 2419 0x5f, /* popl %edi */ 2420 0x5b, /* popl %ebx */ 2421 0xc3, /* ret */ 2422 }; 2423 2424 #else 2425 2426 static const BYTE call_debug_service_code[] = { 2427 0x53, /* push %rbx */ 2428 0x57, /* push %rdi */ 2429 0x48, 0x89, 0xc8, /* movl %rcx,%rax */ 2430 0x48, 0xb9, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, /* movabs $0x1111111111111111,%rcx */ 2431 0x48, 0xba, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, /* movabs $0x2222222222222222,%rdx */ 2432 0x48, 0xbb, 0x33, 0x33, 0x33, 0x33, 0x33, 0x33, 0x33, 0x33, /* movabs $0x3333333333333333,%rbx */ 2433 0x48, 0xbf, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, /* movabs $0x4444444444444444,%rdi */ 2434 0xcd, 0x2d, /* int $0x2d */ 2435 0xeb, /* jmp $+17 */ 2436 0x0f, 0x1f, 0x00, /* nop */ 2437 0x48, 0x31, 0xc0, /* xor %rax,%rax */ 2438 0xeb, 0x0e, /* jmp $+16 */ 2439 0x90, 0x90, 0x90, 0x90, /* nop */ 2440 0x90, 0x90, 0x90, 0x90, 2441 0x48, 0x31, 0xc0, /* xor %rax,%rax */ 2442 0x48, 0xff, 0xc0, /* inc %rax */ 2443 0x5f, /* pop %rdi */ 2444 0x5b, /* pop %rbx */ 2445 0xc3, /* ret */ 2446 }; 2447 2448 #endif 2449 2450 static void test_debug_service(DWORD numexc) 2451 { 2452 DWORD (CDECL *func)(DWORD_PTR) = code_mem; 2453 DWORD expected_exc, expected_ret; 2454 void *vectored_handler; 2455 DWORD ret; 2456 2457 /* code will return 0 if execution resumes immediately after "int $0x2d", otherwise 1 */ 2458 memcpy(code_mem, call_debug_service_code, sizeof(call_debug_service_code)); 2459 2460 vectored_handler = pRtlAddVectoredExceptionHandler(TRUE, &debug_service_handler); 2461 ok(vectored_handler != 0, "RtlAddVectoredExceptionHandler failed\n"); 2462 2463 expected_exc = numexc; 2464 expected_ret = (numexc != 0); 2465 2466 /* BREAKPOINT_BREAK */ 2467 debug_service_exceptions = 0; 2468 ret = func(0); 2469 ok(debug_service_exceptions == expected_exc, 2470 "BREAKPOINT_BREAK generated %u exceptions, expected %u\n", 2471 debug_service_exceptions, expected_exc); 2472 ok(ret == expected_ret, 2473 "BREAKPOINT_BREAK returned %u, expected %u\n", ret, expected_ret); 2474 2475 /* BREAKPOINT_PROMPT */ 2476 debug_service_exceptions = 0; 2477 ret = func(2); 2478 ok(debug_service_exceptions == expected_exc, 2479 "BREAKPOINT_PROMPT generated %u exceptions, expected %u\n", 2480 debug_service_exceptions, expected_exc); 2481 ok(ret == expected_ret, 2482 "BREAKPOINT_PROMPT returned %u, expected %u\n", ret, expected_ret); 2483 2484 /* invalid debug service */ 2485 debug_service_exceptions = 0; 2486 ret = func(6); 2487 ok(debug_service_exceptions == expected_exc, 2488 "invalid debug service generated %u exceptions, expected %u\n", 2489 debug_service_exceptions, expected_exc); 2490 ok(ret == expected_ret, 2491 "invalid debug service returned %u, expected %u\n", ret, expected_ret); 2492 2493 expected_exc = (is_wow64 ? numexc : 0); 2494 expected_ret = (is_wow64 && numexc); 2495 2496 /* BREAKPOINT_PRINT */ 2497 debug_service_exceptions = 0; 2498 ret = func(1); 2499 ok(debug_service_exceptions == expected_exc, 2500 "BREAKPOINT_PRINT generated %u exceptions, expected %u\n", 2501 debug_service_exceptions, expected_exc); 2502 ok(ret == expected_ret, 2503 "BREAKPOINT_PRINT returned %u, expected %u\n", ret, expected_ret); 2504 2505 /* BREAKPOINT_LOAD_SYMBOLS */ 2506 debug_service_exceptions = 0; 2507 ret = func(3); 2508 ok(debug_service_exceptions == expected_exc, 2509 "BREAKPOINT_LOAD_SYMBOLS generated %u exceptions, expected %u\n", 2510 debug_service_exceptions, expected_exc); 2511 ok(ret == expected_ret, 2512 "BREAKPOINT_LOAD_SYMBOLS returned %u, expected %u\n", ret, expected_ret); 2513 2514 /* BREAKPOINT_UNLOAD_SYMBOLS */ 2515 debug_service_exceptions = 0; 2516 ret = func(4); 2517 ok(debug_service_exceptions == expected_exc, 2518 "BREAKPOINT_UNLOAD_SYMBOLS generated %u exceptions, expected %u\n", 2519 debug_service_exceptions, expected_exc); 2520 ok(ret == expected_ret, 2521 "BREAKPOINT_UNLOAD_SYMBOLS returned %u, expected %u\n", ret, expected_ret); 2522 2523 /* BREAKPOINT_COMMAND_STRING */ 2524 debug_service_exceptions = 0; 2525 ret = func(5); 2526 ok(debug_service_exceptions == expected_exc || broken(debug_service_exceptions == numexc), 2527 "BREAKPOINT_COMMAND_STRING generated %u exceptions, expected %u\n", 2528 debug_service_exceptions, expected_exc); 2529 ok(ret == expected_ret || broken(ret == (numexc != 0)), 2530 "BREAKPOINT_COMMAND_STRING returned %u, expected %u\n", ret, expected_ret); 2531 2532 pRtlRemoveVectoredExceptionHandler(vectored_handler); 2533 } 2534 2535 static DWORD breakpoint_exceptions; 2536 2537 static LONG CALLBACK breakpoint_handler(EXCEPTION_POINTERS *ExceptionInfo) 2538 { 2539 EXCEPTION_RECORD *rec = ExceptionInfo->ExceptionRecord; 2540 trace("vect. handler %08x addr:%p\n", rec->ExceptionCode, rec->ExceptionAddress); 2541 2542 ok(rec->ExceptionCode == EXCEPTION_BREAKPOINT, "ExceptionCode is %08x instead of %08x\n", 2543 rec->ExceptionCode, EXCEPTION_BREAKPOINT); 2544 2545 #ifdef __i386__ 2546 ok(ExceptionInfo->ContextRecord->Eip == (DWORD)code_mem + 1, 2547 "expected Eip = %x, got %x\n", (DWORD)code_mem + 1, ExceptionInfo->ContextRecord->Eip); 2548 ok(rec->NumberParameters == (is_wow64 ? 1 : 3), 2549 "ExceptionParameters is %d instead of %d\n", rec->NumberParameters, is_wow64 ? 1 : 3); 2550 ok(rec->ExceptionInformation[0] == 0, 2551 "got ExceptionInformation[0] = %lx\n", rec->ExceptionInformation[0]); 2552 ExceptionInfo->ContextRecord->Eip = (DWORD)code_mem + 2; 2553 #else 2554 ok(ExceptionInfo->ContextRecord->Rip == (DWORD_PTR)code_mem + 1, 2555 "expected Rip = %lx, got %lx\n", (DWORD_PTR)code_mem + 1, ExceptionInfo->ContextRecord->Rip); 2556 ok(rec->NumberParameters == 1, 2557 "ExceptionParameters is %d instead of 1\n", rec->NumberParameters); 2558 ok(rec->ExceptionInformation[0] == 0, 2559 "got ExceptionInformation[0] = %lx\n", rec->ExceptionInformation[0]); 2560 ExceptionInfo->ContextRecord->Rip = (DWORD_PTR)code_mem + 2; 2561 #endif 2562 2563 breakpoint_exceptions++; 2564 return (rec->ExceptionCode == EXCEPTION_BREAKPOINT) ? EXCEPTION_CONTINUE_EXECUTION : EXCEPTION_CONTINUE_SEARCH; 2565 } 2566 2567 static const BYTE breakpoint_code[] = { 2568 0xcd, 0x03, /* int $0x3 */ 2569 0xc3, /* ret */ 2570 }; 2571 2572 static void test_breakpoint(DWORD numexc) 2573 { 2574 DWORD (CDECL *func)(void) = code_mem; 2575 void *vectored_handler; 2576 2577 memcpy(code_mem, breakpoint_code, sizeof(breakpoint_code)); 2578 2579 vectored_handler = pRtlAddVectoredExceptionHandler(TRUE, &breakpoint_handler); 2580 ok(vectored_handler != 0, "RtlAddVectoredExceptionHandler failed\n"); 2581 2582 breakpoint_exceptions = 0; 2583 func(); 2584 ok(breakpoint_exceptions == numexc, "int $0x3 generated %u exceptions, expected %u\n", 2585 breakpoint_exceptions, numexc); 2586 2587 pRtlRemoveVectoredExceptionHandler(vectored_handler); 2588 } 2589 2590 static DWORD invalid_handle_exceptions; 2591 2592 static LONG CALLBACK invalid_handle_vectored_handler(EXCEPTION_POINTERS *ExceptionInfo) 2593 { 2594 PEXCEPTION_RECORD rec = ExceptionInfo->ExceptionRecord; 2595 trace("vect. handler %08x addr:%p\n", rec->ExceptionCode, rec->ExceptionAddress); 2596 2597 ok(rec->ExceptionCode == EXCEPTION_INVALID_HANDLE, "ExceptionCode is %08x instead of %08x\n", 2598 rec->ExceptionCode, EXCEPTION_INVALID_HANDLE); 2599 ok(rec->NumberParameters == 0, "ExceptionParameters is %d instead of 0\n", rec->NumberParameters); 2600 2601 invalid_handle_exceptions++; 2602 return (rec->ExceptionCode == EXCEPTION_INVALID_HANDLE) ? EXCEPTION_CONTINUE_EXECUTION : EXCEPTION_CONTINUE_SEARCH; 2603 } 2604 2605 static void test_closehandle(DWORD numexc) 2606 { 2607 PVOID vectored_handler; 2608 NTSTATUS status; 2609 DWORD res; 2610 2611 if (!pRtlAddVectoredExceptionHandler || !pRtlRemoveVectoredExceptionHandler || !pRtlRaiseException) 2612 { 2613 skip("RtlAddVectoredExceptionHandler or RtlRemoveVectoredExceptionHandler or RtlRaiseException not found\n"); 2614 return; 2615 } 2616 2617 vectored_handler = pRtlAddVectoredExceptionHandler(TRUE, &invalid_handle_vectored_handler); 2618 ok(vectored_handler != 0, "RtlAddVectoredExceptionHandler failed\n"); 2619 2620 invalid_handle_exceptions = 0; 2621 res = CloseHandle((HANDLE)0xdeadbeef); 2622 ok(!res, "CloseHandle(0xdeadbeef) unexpectedly succeeded\n"); 2623 ok(GetLastError() == ERROR_INVALID_HANDLE, "wrong error code %d instead of %d\n", 2624 GetLastError(), ERROR_INVALID_HANDLE); 2625 ok(invalid_handle_exceptions == numexc, "CloseHandle generated %d exceptions, expected %d\n", 2626 invalid_handle_exceptions, numexc); 2627 2628 invalid_handle_exceptions = 0; 2629 status = pNtClose((HANDLE)0xdeadbeef); 2630 ok(status == STATUS_INVALID_HANDLE, "NtClose(0xdeadbeef) returned status %08x\n", status); 2631 ok(invalid_handle_exceptions == numexc, "NtClose generated %d exceptions, expected %d\n", 2632 invalid_handle_exceptions, numexc); 2633 2634 pRtlRemoveVectoredExceptionHandler(vectored_handler); 2635 } 2636 2637 static void test_vectored_continue_handler(void) 2638 { 2639 PVOID handler1, handler2; 2640 ULONG ret; 2641 2642 if (!pRtlAddVectoredContinueHandler || !pRtlRemoveVectoredContinueHandler) 2643 { 2644 skip("RtlAddVectoredContinueHandler or RtlRemoveVectoredContinueHandler not found\n"); 2645 return; 2646 } 2647 2648 handler1 = pRtlAddVectoredContinueHandler(TRUE, (void *)0xdeadbeef); 2649 ok(handler1 != 0, "RtlAddVectoredContinueHandler failed\n"); 2650 2651 handler2 = pRtlAddVectoredContinueHandler(TRUE, (void *)0xdeadbeef); 2652 ok(handler2 != 0, "RtlAddVectoredContinueHandler failed\n"); 2653 ok(handler1 != handler2, "RtlAddVectoredContinueHandler returned same handler\n"); 2654 2655 if (pRtlRemoveVectoredExceptionHandler) 2656 { 2657 ret = pRtlRemoveVectoredExceptionHandler(handler1); 2658 ok(!ret, "RtlRemoveVectoredExceptionHandler succeeded\n"); 2659 } 2660 2661 ret = pRtlRemoveVectoredContinueHandler(handler1); 2662 ok(ret, "RtlRemoveVectoredContinueHandler failed\n"); 2663 2664 ret = pRtlRemoveVectoredContinueHandler(handler2); 2665 ok(ret, "RtlRemoveVectoredContinueHandler failed\n"); 2666 2667 ret = pRtlRemoveVectoredContinueHandler(handler1); 2668 ok(!ret, "RtlRemoveVectoredContinueHandler succeeded\n"); 2669 2670 ret = pRtlRemoveVectoredContinueHandler((void *)0x11223344); 2671 ok(!ret, "RtlRemoveVectoredContinueHandler succeeded\n"); 2672 } 2673 #endif /* defined(__i386__) || defined(__x86_64__) */ 2674 2675 START_TEST(exception) 2676 { 2677 HMODULE hntdll = GetModuleHandleA("ntdll.dll"); 2678 #if defined(__x86_64__) 2679 HMODULE hmsvcrt = LoadLibraryA("msvcrt.dll"); 2680 #endif 2681 2682 #ifdef __REACTOS__ 2683 if (!winetest_interactive && 2684 !strcmp(winetest_platform, "windows")) 2685 { 2686 skip("ROSTESTS-240: Skipping ntdll_winetest:exception because it hangs on WHS-Testbot. Set winetest_interactive to run it anyway.\n"); 2687 return; 2688 } 2689 #endif 2690 code_mem = VirtualAlloc(NULL, 65536, MEM_RESERVE | MEM_COMMIT, PAGE_EXECUTE_READWRITE); 2691 if(!code_mem) { 2692 trace("VirtualAlloc failed\n"); 2693 return; 2694 } 2695 2696 pNtGetContextThread = (void *)GetProcAddress( hntdll, "NtGetContextThread" ); 2697 pNtSetContextThread = (void *)GetProcAddress( hntdll, "NtSetContextThread" ); 2698 pNtReadVirtualMemory = (void *)GetProcAddress( hntdll, "NtReadVirtualMemory" ); 2699 pNtClose = (void *)GetProcAddress( hntdll, "NtClose" ); 2700 pRtlUnwind = (void *)GetProcAddress( hntdll, "RtlUnwind" ); 2701 pRtlRaiseException = (void *)GetProcAddress( hntdll, "RtlRaiseException" ); 2702 pRtlCaptureContext = (void *)GetProcAddress( hntdll, "RtlCaptureContext" ); 2703 pNtTerminateProcess = (void *)GetProcAddress( hntdll, "NtTerminateProcess" ); 2704 pRtlAddVectoredExceptionHandler = (void *)GetProcAddress( hntdll, 2705 "RtlAddVectoredExceptionHandler" ); 2706 pRtlRemoveVectoredExceptionHandler = (void *)GetProcAddress( hntdll, 2707 "RtlRemoveVectoredExceptionHandler" ); 2708 pRtlAddVectoredContinueHandler = (void *)GetProcAddress( hntdll, 2709 "RtlAddVectoredContinueHandler" ); 2710 pRtlRemoveVectoredContinueHandler = (void *)GetProcAddress( hntdll, 2711 "RtlRemoveVectoredContinueHandler" ); 2712 pNtQueryInformationProcess = (void*)GetProcAddress( hntdll, 2713 "NtQueryInformationProcess" ); 2714 pNtSetInformationProcess = (void*)GetProcAddress( hntdll, 2715 "NtSetInformationProcess" ); 2716 pIsWow64Process = (void *)GetProcAddress(GetModuleHandleA("kernel32.dll"), "IsWow64Process"); 2717 2718 #ifdef __i386__ 2719 if (!pIsWow64Process || !pIsWow64Process( GetCurrentProcess(), &is_wow64 )) is_wow64 = FALSE; 2720 2721 if (pRtlAddVectoredExceptionHandler && pRtlRemoveVectoredExceptionHandler) 2722 have_vectored_api = TRUE; 2723 else 2724 skip("RtlAddVectoredExceptionHandler or RtlRemoveVectoredExceptionHandler not found\n"); 2725 2726 my_argc = winetest_get_mainargs( &my_argv ); 2727 if (my_argc >= 4) 2728 { 2729 void *addr; 2730 sscanf( my_argv[3], "%p", &addr ); 2731 2732 if (addr != &test_stage) 2733 { 2734 skip( "child process not mapped at same address (%p/%p)\n", &test_stage, addr); 2735 return; 2736 } 2737 2738 /* child must be run under a debugger */ 2739 if (!NtCurrentTeb()->Peb->BeingDebugged) 2740 { 2741 ok(FALSE, "child process not being debugged?\n"); 2742 return; 2743 } 2744 2745 if (pRtlRaiseException) 2746 { 2747 test_stage = 1; 2748 run_rtlraiseexception_test(0x12345); 2749 run_rtlraiseexception_test(EXCEPTION_BREAKPOINT); 2750 run_rtlraiseexception_test(EXCEPTION_INVALID_HANDLE); 2751 test_stage = 2; 2752 run_rtlraiseexception_test(0x12345); 2753 run_rtlraiseexception_test(EXCEPTION_BREAKPOINT); 2754 run_rtlraiseexception_test(EXCEPTION_INVALID_HANDLE); 2755 test_stage = 3; 2756 test_outputdebugstring(0); 2757 test_stage = 4; 2758 test_outputdebugstring(2); 2759 test_stage = 5; 2760 test_ripevent(0); 2761 test_stage = 6; 2762 test_ripevent(1); 2763 test_stage = 7; 2764 test_debug_service(0); 2765 test_stage = 8; 2766 test_debug_service(1); 2767 test_stage = 9; 2768 test_breakpoint(0); 2769 test_stage = 10; 2770 test_breakpoint(1); 2771 test_stage = 11; 2772 test_closehandle(0); 2773 test_stage = 12; 2774 test_closehandle(1); 2775 } 2776 else 2777 skip( "RtlRaiseException not found\n" ); 2778 2779 /* rest of tests only run in parent */ 2780 return; 2781 } 2782 2783 test_unwind(); 2784 test_exceptions(); 2785 test_rtlraiseexception(); 2786 test_debug_registers(); 2787 test_outputdebugstring(1); 2788 test_ripevent(1); 2789 test_debug_service(1); 2790 test_breakpoint(1); 2791 test_closehandle(0); 2792 test_vectored_continue_handler(); 2793 test_debugger(); 2794 test_simd_exceptions(); 2795 test_fpu_exceptions(); 2796 test_dpe_exceptions(); 2797 test_prot_fault(); 2798 test_thread_context(); 2799 2800 #elif defined(__x86_64__) 2801 pRtlAddFunctionTable = (void *)GetProcAddress( hntdll, 2802 "RtlAddFunctionTable" ); 2803 pRtlDeleteFunctionTable = (void *)GetProcAddress( hntdll, 2804 "RtlDeleteFunctionTable" ); 2805 pRtlInstallFunctionTableCallback = (void *)GetProcAddress( hntdll, 2806 "RtlInstallFunctionTableCallback" ); 2807 pRtlLookupFunctionEntry = (void *)GetProcAddress( hntdll, 2808 "RtlLookupFunctionEntry" ); 2809 p__C_specific_handler = (void *)GetProcAddress( hntdll, 2810 "__C_specific_handler" ); 2811 pRtlCaptureContext = (void *)GetProcAddress( hntdll, 2812 "RtlCaptureContext" ); 2813 pRtlRestoreContext = (void *)GetProcAddress( hntdll, 2814 "RtlRestoreContext" ); 2815 pRtlUnwindEx = (void *)GetProcAddress( hntdll, 2816 "RtlUnwindEx" ); 2817 p_setjmp = (void *)GetProcAddress( hmsvcrt, 2818 "_setjmp" ); 2819 2820 test_debug_registers(); 2821 test_outputdebugstring(1); 2822 test_ripevent(1); 2823 test_debug_service(1); 2824 test_breakpoint(1); 2825 test_closehandle(0); 2826 test_vectored_continue_handler(); 2827 test_virtual_unwind(); 2828 test___C_specific_handler(); 2829 test_restore_context(); 2830 2831 if (pRtlAddFunctionTable && pRtlDeleteFunctionTable && pRtlInstallFunctionTableCallback && pRtlLookupFunctionEntry) 2832 test_dynamic_unwind(); 2833 else 2834 skip( "Dynamic unwind functions not found\n" ); 2835 2836 #endif 2837 2838 VirtualFree(code_mem, 0, MEM_RELEASE); 2839 } 2840