| 1 | // Licensed to the .NET Foundation under one or more agreements. |
| 2 | // The .NET Foundation licenses this file to you under the MIT license. |
| 3 | // See the LICENSE file in the project root for more information. |
| 4 | |
| 5 | |
| 6 | |
| 7 | |
| 8 | #include "common.h" |
| 9 | |
| 10 | #include "binder.h" |
| 11 | #include "ecall.h" |
| 12 | |
| 13 | #include "field.h" |
| 14 | #include "excep.h" |
| 15 | #include "eeconfig.h" |
| 16 | #include "runtimehandles.h" |
| 17 | #include "customattribute.h" |
| 18 | #include "debugdebugger.h" |
| 19 | #include "dllimport.h" |
| 20 | #include "nativeoverlapped.h" |
| 21 | #include "clrvarargs.h" |
| 22 | #include "sigbuilder.h" |
| 23 | |
| 24 | #ifdef FEATURE_PREJIT |
| 25 | #include "compile.h" |
| 26 | #endif |
| 27 | |
| 28 | // |
| 29 | // Retrieve structures from ID. |
| 30 | // |
| 31 | NOINLINE PTR_MethodTable MscorlibBinder::LookupClass(BinderClassID id) |
| 32 | { |
| 33 | WRAPPER_NO_CONTRACT; |
| 34 | return (&g_Mscorlib)->LookupClassLocal(id); |
| 35 | } |
| 36 | |
| 37 | PTR_MethodTable MscorlibBinder::GetClassLocal(BinderClassID id) |
| 38 | { |
| 39 | WRAPPER_NO_CONTRACT; |
| 40 | |
| 41 | PTR_MethodTable pMT = VolatileLoad(&(m_pClasses[id])); |
| 42 | if (pMT == NULL) |
| 43 | return LookupClassLocal(id); |
| 44 | return pMT; |
| 45 | } |
| 46 | |
| 47 | PTR_MethodTable MscorlibBinder::LookupClassLocal(BinderClassID id) |
| 48 | { |
| 49 | CONTRACTL |
| 50 | { |
| 51 | THROWS; |
| 52 | GC_TRIGGERS; |
| 53 | INJECT_FAULT(ThrowOutOfMemory()); |
| 54 | |
| 55 | PRECONDITION(id != CLASS__NIL); |
| 56 | PRECONDITION(id <= m_cClasses); |
| 57 | } |
| 58 | CONTRACTL_END; |
| 59 | |
| 60 | PTR_MethodTable pMT = NULL; |
| 61 | |
| 62 | // Binder methods are used for loading "known" types from mscorlib.dll. Thus they are unlikely to be part |
| 63 | // of a recursive cycle. This is used too broadly to force manual overrides at every callsite. |
| 64 | OVERRIDE_TYPE_LOAD_LEVEL_LIMIT(CLASS_LOADED); |
| 65 | |
| 66 | const MscorlibClassDescription *d = m_classDescriptions + (int)id; |
| 67 | |
| 68 | pMT = ClassLoader::LoadTypeByNameThrowing(GetModule()->GetAssembly(), d->nameSpace, d->name).AsMethodTable(); |
| 69 | |
| 70 | _ASSERTE(pMT->GetModule() == GetModule()); |
| 71 | |
| 72 | #ifndef DACCESS_COMPILE |
| 73 | VolatileStore(&m_pClasses[id], pMT); |
| 74 | #endif |
| 75 | |
| 76 | return pMT; |
| 77 | } |
| 78 | |
| 79 | NOINLINE MethodDesc * MscorlibBinder::LookupMethod(BinderMethodID id) |
| 80 | { |
| 81 | WRAPPER_NO_CONTRACT; |
| 82 | return (&g_Mscorlib)->LookupMethodLocal(id); |
| 83 | } |
| 84 | |
| 85 | MethodDesc * MscorlibBinder::GetMethodLocal(BinderMethodID id) |
| 86 | { |
| 87 | WRAPPER_NO_CONTRACT; |
| 88 | |
| 89 | MethodDesc * pMD = VolatileLoad(&(m_pMethods[id])); |
| 90 | if (pMD == NULL) |
| 91 | return LookupMethodLocal(id); |
| 92 | return pMD; |
| 93 | } |
| 94 | |
| 95 | MethodDesc * MscorlibBinder::LookupMethodLocal(BinderMethodID id) |
| 96 | { |
| 97 | CONTRACTL |
| 98 | { |
| 99 | THROWS; |
| 100 | GC_TRIGGERS; |
| 101 | INJECT_FAULT(ThrowOutOfMemory()); |
| 102 | |
| 103 | PRECONDITION(id != METHOD__NIL); |
| 104 | PRECONDITION(id <= m_cMethods); |
| 105 | } |
| 106 | CONTRACTL_END; |
| 107 | |
| 108 | #ifndef DACCESS_COMPILE |
| 109 | MethodDesc * pMD = NULL; |
| 110 | |
| 111 | const MscorlibMethodDescription *d = m_methodDescriptions + (id - 1); |
| 112 | |
| 113 | MethodTable * pMT = GetClassLocal(d->classID); |
| 114 | _ASSERTE(pMT != NULL && "Couldn't find a type in mscorlib!" ); |
| 115 | |
| 116 | if (d->sig != NULL) |
| 117 | { |
| 118 | Signature sig = GetSignatureLocal(d->sig); |
| 119 | |
| 120 | pMD = MemberLoader::FindMethod(pMT, d->name, sig.GetRawSig(), sig.GetRawSigLen(), GetModule()); |
| 121 | } |
| 122 | else |
| 123 | { |
| 124 | pMD = MemberLoader::FindMethodByName(pMT, d->name); |
| 125 | } |
| 126 | |
| 127 | |
| 128 | PREFIX_ASSUME_MSGF(pMD != NULL, ("EE expects method to exist: %s:%s Sig pointer: %p\n" , pMT->GetDebugClassName(), d->name, d->sig)); |
| 129 | |
| 130 | VolatileStore(&m_pMethods[id], pMD); |
| 131 | |
| 132 | return pMD; |
| 133 | #else |
| 134 | DacNotImpl(); |
| 135 | return NULL; |
| 136 | #endif |
| 137 | } |
| 138 | |
| 139 | NOINLINE FieldDesc * MscorlibBinder::LookupField(BinderFieldID id) |
| 140 | { |
| 141 | WRAPPER_NO_CONTRACT; |
| 142 | return (&g_Mscorlib)->LookupFieldLocal(id); |
| 143 | } |
| 144 | |
| 145 | FieldDesc * MscorlibBinder::GetFieldLocal(BinderFieldID id) |
| 146 | { |
| 147 | WRAPPER_NO_CONTRACT; |
| 148 | |
| 149 | FieldDesc * pFD = VolatileLoad(&(m_pFields[id])); |
| 150 | if (pFD == NULL) |
| 151 | return LookupFieldLocal(id); |
| 152 | return pFD; |
| 153 | } |
| 154 | |
| 155 | FieldDesc * MscorlibBinder::LookupFieldLocal(BinderFieldID id) |
| 156 | { |
| 157 | CONTRACTL |
| 158 | { |
| 159 | THROWS; |
| 160 | GC_TRIGGERS; |
| 161 | INJECT_FAULT(ThrowOutOfMemory()); |
| 162 | |
| 163 | PRECONDITION(id != FIELD__NIL); |
| 164 | PRECONDITION(id <= m_cFields); |
| 165 | } |
| 166 | CONTRACTL_END; |
| 167 | |
| 168 | FieldDesc * pFD = NULL; |
| 169 | |
| 170 | const MscorlibFieldDescription *d = m_fieldDescriptions + (id - 1); |
| 171 | |
| 172 | MethodTable * pMT = GetClassLocal(d->classID); |
| 173 | |
| 174 | pFD = MemberLoader::FindField(pMT, d->name, NULL, 0, NULL); |
| 175 | |
| 176 | #ifndef DACCESS_COMPILE |
| 177 | PREFIX_ASSUME_MSGF(pFD != NULL, ("EE expects field to exist: %s:%s\n" , pMT->GetDebugClassName(), d->name)); |
| 178 | |
| 179 | VolatileStore(&(m_pFields[id]), pFD); |
| 180 | #endif |
| 181 | |
| 182 | return pFD; |
| 183 | } |
| 184 | |
| 185 | NOINLINE PTR_MethodTable MscorlibBinder::LookupClassIfExist(BinderClassID id) |
| 186 | { |
| 187 | CONTRACTL |
| 188 | { |
| 189 | GC_NOTRIGGER; |
| 190 | NOTHROW; |
| 191 | FORBID_FAULT; |
| 192 | MODE_ANY; |
| 193 | |
| 194 | PRECONDITION(id != CLASS__NIL); |
| 195 | PRECONDITION(id <= (&g_Mscorlib)->m_cClasses); |
| 196 | } |
| 197 | CONTRACTL_END; |
| 198 | |
| 199 | // Run the class loader in non-load mode. |
| 200 | ENABLE_FORBID_GC_LOADER_USE_IN_THIS_SCOPE(); |
| 201 | |
| 202 | // Binder methods are used for loading "known" types from mscorlib.dll. Thus they are unlikely to be part |
| 203 | // of a recursive cycle. This is used too broadly to force manual overrides at every callsite. |
| 204 | OVERRIDE_TYPE_LOAD_LEVEL_LIMIT(CLASS_LOADED); |
| 205 | |
| 206 | const MscorlibClassDescription *d = (&g_Mscorlib)->m_classDescriptions + (int)id; |
| 207 | |
| 208 | PTR_MethodTable pMT = ClassLoader::LoadTypeByNameThrowing(GetModule()->GetAssembly(), d->nameSpace, d->name, |
| 209 | ClassLoader::ReturnNullIfNotFound, ClassLoader::DontLoadTypes, CLASS_LOAD_UNRESTOREDTYPEKEY).AsMethodTable(); |
| 210 | |
| 211 | _ASSERTE((pMT == NULL) || (pMT->GetModule() == GetModule())); |
| 212 | |
| 213 | #ifndef DACCESS_COMPILE |
| 214 | if ((pMT != NULL) && pMT->IsFullyLoaded()) |
| 215 | VolatileStore(&(g_Mscorlib.m_pClasses[id]), pMT); |
| 216 | #endif |
| 217 | |
| 218 | return pMT; |
| 219 | } |
| 220 | |
| 221 | Signature MscorlibBinder::GetSignature(LPHARDCODEDMETASIG pHardcodedSig) |
| 222 | { |
| 223 | CONTRACTL |
| 224 | { |
| 225 | THROWS; |
| 226 | GC_TRIGGERS; |
| 227 | INJECT_FAULT(COMPlusThrowOM()); |
| 228 | MODE_ANY; |
| 229 | } |
| 230 | CONTRACTL_END |
| 231 | |
| 232 | // Make sure all HardCodedMetaSig's are global. Because there is no individual |
| 233 | // cleanup of converted binary sigs, using allocated HardCodedMetaSig's |
| 234 | // can lead to a quiet memory leak. |
| 235 | #ifdef _DEBUG_IMPL |
| 236 | |
| 237 | // This #include workaround generates a monster boolean expression that compares |
| 238 | // "this" against the address of every global defined in metasig.h |
| 239 | if (! (0 |
| 240 | #define METASIG_BODY(varname, types) || pHardcodedSig==&gsig_ ## varname |
| 241 | #include "metasig.h" |
| 242 | )) |
| 243 | { |
| 244 | _ASSERTE(!"The HardCodedMetaSig struct can only be declared as a global in metasig.h." ); |
| 245 | } |
| 246 | #endif |
| 247 | |
| 248 | return (&g_Mscorlib)->GetSignatureLocal(pHardcodedSig); |
| 249 | } |
| 250 | |
| 251 | Signature MscorlibBinder::GetTargetSignature(LPHARDCODEDMETASIG pHardcodedSig) |
| 252 | { |
| 253 | CONTRACTL |
| 254 | { |
| 255 | THROWS; |
| 256 | GC_TRIGGERS; |
| 257 | INJECT_FAULT(COMPlusThrowOM()); |
| 258 | MODE_ANY; |
| 259 | } |
| 260 | CONTRACTL_END |
| 261 | |
| 262 | #ifdef CROSSGEN_COMPILE |
| 263 | return GetModule()->m_pBinder->GetSignatureLocal(pHardcodedSig); |
| 264 | #else |
| 265 | return (&g_Mscorlib)->GetSignatureLocal(pHardcodedSig); |
| 266 | #endif |
| 267 | } |
| 268 | |
| 269 | // Get the metasig, do a one-time conversion if necessary |
| 270 | Signature MscorlibBinder::GetSignatureLocal(LPHARDCODEDMETASIG pHardcodedSig) |
| 271 | { |
| 272 | CONTRACTL |
| 273 | { |
| 274 | THROWS; |
| 275 | GC_TRIGGERS; |
| 276 | INJECT_FAULT(COMPlusThrowOM()); |
| 277 | MODE_ANY; |
| 278 | } |
| 279 | CONTRACTL_END |
| 280 | |
| 281 | PTR_CBYTE pMetaSig = PTR_CBYTE((TADDR)VolatileLoad(&pHardcodedSig->m_pMetaSig)); |
| 282 | |
| 283 | // To minimize code and data size, the hardcoded metasigs are baked as much as possible |
| 284 | // at compile time. Only the signatures with type references require one-time conversion at runtime. |
| 285 | |
| 286 | // the negative size means signature with unresolved type references |
| 287 | if ((INT8)*pMetaSig < 0) |
| 288 | { |
| 289 | #ifndef DACCESS_COMPILE |
| 290 | pMetaSig = ConvertSignature(pHardcodedSig, pMetaSig); |
| 291 | #else |
| 292 | DacNotImpl(); |
| 293 | #endif |
| 294 | } |
| 295 | |
| 296 | // The metasig has to be resolved at this point |
| 297 | INT8 cbSig = (INT8)*pMetaSig; |
| 298 | _ASSERTE(cbSig > 0); |
| 299 | |
| 300 | #ifdef DACCESS_COMPILE |
| 301 | PCCOR_SIGNATURE pSig = (PCCOR_SIGNATURE) |
| 302 | DacInstantiateTypeByAddress(dac_cast<TADDR>(pMetaSig + 1), |
| 303 | cbSig, |
| 304 | true); |
| 305 | #else |
| 306 | PCCOR_SIGNATURE pSig = pMetaSig+1; |
| 307 | #endif |
| 308 | |
| 309 | return Signature(pSig, cbSig); |
| 310 | } |
| 311 | |
| 312 | #ifndef DACCESS_COMPILE |
| 313 | |
| 314 | bool MscorlibBinder::ConvertType(const BYTE*& pSig, SigBuilder * pSigBuilder) |
| 315 | { |
| 316 | bool bSomethingResolved = false; |
| 317 | |
| 318 | Again: |
| 319 | CorElementType type = (CorElementType)*pSig++; |
| 320 | |
| 321 | switch (type) |
| 322 | { |
| 323 | case ELEMENT_TYPE_GENERICINST: |
| 324 | { |
| 325 | pSigBuilder->AppendElementType(type); |
| 326 | if (ConvertType(pSig, pSigBuilder)) |
| 327 | bSomethingResolved = true; |
| 328 | int arity = *pSig++; |
| 329 | pSigBuilder->AppendData(arity); |
| 330 | for (int i = 0; i < arity; i++) |
| 331 | { |
| 332 | if (ConvertType(pSig, pSigBuilder)) |
| 333 | bSomethingResolved = true; |
| 334 | } |
| 335 | } |
| 336 | break; |
| 337 | |
| 338 | case ELEMENT_TYPE_BYREF: |
| 339 | case ELEMENT_TYPE_PTR: |
| 340 | case ELEMENT_TYPE_SZARRAY: |
| 341 | pSigBuilder->AppendElementType(type); |
| 342 | if (ConvertType(pSig, pSigBuilder)) |
| 343 | bSomethingResolved = true; |
| 344 | break; |
| 345 | |
| 346 | case ELEMENT_TYPE_CMOD_OPT: |
| 347 | case ELEMENT_TYPE_CMOD_REQD: |
| 348 | { |
| 349 | // The binder class id may overflow 1 byte. Use 2 bytes to encode it. |
| 350 | BinderClassID id = (BinderClassID)(*pSig + 0x100 * *(pSig + 1)); |
| 351 | pSig += 2; |
| 352 | |
| 353 | pSigBuilder->AppendElementType(type); |
| 354 | pSigBuilder->AppendToken(GetClassLocal(id)->GetCl()); |
| 355 | bSomethingResolved = true; |
| 356 | } |
| 357 | goto Again; |
| 358 | |
| 359 | case ELEMENT_TYPE_CLASS: |
| 360 | case ELEMENT_TYPE_VALUETYPE: |
| 361 | { |
| 362 | // The binder class id may overflow 1 byte. Use 2 bytes to encode it. |
| 363 | BinderClassID id = (BinderClassID)(*pSig + 0x100 * *(pSig + 1)); |
| 364 | pSig += 2; |
| 365 | |
| 366 | pSigBuilder->AppendElementType(type); |
| 367 | pSigBuilder->AppendToken(GetClassLocal(id)->GetCl()); |
| 368 | bSomethingResolved = true; |
| 369 | } |
| 370 | break; |
| 371 | |
| 372 | case ELEMENT_TYPE_VAR: |
| 373 | case ELEMENT_TYPE_MVAR: |
| 374 | { |
| 375 | pSigBuilder->AppendElementType(type); |
| 376 | pSigBuilder->AppendData(*pSig++); |
| 377 | } |
| 378 | break; |
| 379 | |
| 380 | default: |
| 381 | pSigBuilder->AppendElementType(type); |
| 382 | break; |
| 383 | } |
| 384 | |
| 385 | return bSomethingResolved; |
| 386 | } |
| 387 | |
| 388 | //------------------------------------------------------------------ |
| 389 | // Resolve type references in the hardcoded metasig. |
| 390 | // Returns a new signature with type refences resolved. |
| 391 | //------------------------------------------------------------------ |
| 392 | void MscorlibBinder::BuildConvertedSignature(const BYTE* pSig, SigBuilder * pSigBuilder) |
| 393 | { |
| 394 | CONTRACTL |
| 395 | { |
| 396 | STANDARD_VM_CHECK; |
| 397 | PRECONDITION(CheckPointer(pSig)); |
| 398 | PRECONDITION(CheckPointer(pSigBuilder)); |
| 399 | } |
| 400 | CONTRACTL_END |
| 401 | |
| 402 | unsigned argCount; |
| 403 | unsigned callConv; |
| 404 | bool bSomethingResolved = false; |
| 405 | |
| 406 | // calling convention |
| 407 | callConv = *pSig++; |
| 408 | pSigBuilder->AppendData(callConv); |
| 409 | |
| 410 | if ((callConv & IMAGE_CEE_CS_CALLCONV_MASK) == IMAGE_CEE_CS_CALLCONV_DEFAULT) { |
| 411 | // arg count |
| 412 | argCount = *pSig++; |
| 413 | pSigBuilder->AppendData(argCount); |
| 414 | } |
| 415 | else { |
| 416 | if ((callConv & IMAGE_CEE_CS_CALLCONV_MASK) != IMAGE_CEE_CS_CALLCONV_FIELD) |
| 417 | THROW_BAD_FORMAT(BFA_BAD_SIGNATURE, (Module*)NULL); |
| 418 | argCount = 0; |
| 419 | } |
| 420 | |
| 421 | // <= because we want to include the return value or the field |
| 422 | for (unsigned i = 0; i <= argCount; i++) { |
| 423 | if (ConvertType(pSig, pSigBuilder)) |
| 424 | bSomethingResolved = true; |
| 425 | } |
| 426 | |
| 427 | _ASSERTE(bSomethingResolved); |
| 428 | } |
| 429 | |
| 430 | const BYTE* MscorlibBinder::ConvertSignature(LPHARDCODEDMETASIG pHardcodedSig, const BYTE* pSig) |
| 431 | { |
| 432 | CONTRACTL |
| 433 | { |
| 434 | THROWS; |
| 435 | GC_TRIGGERS; |
| 436 | INJECT_FAULT(COMPlusThrowOM()); |
| 437 | MODE_ANY; |
| 438 | } |
| 439 | CONTRACTL_END |
| 440 | |
| 441 | GCX_PREEMP(); |
| 442 | |
| 443 | SigBuilder sigBuilder; |
| 444 | |
| 445 | BuildConvertedSignature(pSig+1, &sigBuilder); |
| 446 | |
| 447 | DWORD cbCount; |
| 448 | PVOID pSignature = sigBuilder.GetSignature(&cbCount); |
| 449 | |
| 450 | { |
| 451 | CrstHolder ch(&s_SigConvertCrst); |
| 452 | |
| 453 | if (*(INT8*)pHardcodedSig->m_pMetaSig < 0) { |
| 454 | |
| 455 | BYTE* pResolved = (BYTE*)(void*)(SystemDomain::GetGlobalLoaderAllocator()->GetHighFrequencyHeap()->AllocMem(S_SIZE_T(1) + S_SIZE_T(cbCount))); |
| 456 | |
| 457 | _ASSERTE(FitsIn<INT8>(cbCount)); |
| 458 | *(INT8*)pResolved = static_cast<INT8>(cbCount); |
| 459 | CopyMemory(pResolved+1, pSignature, cbCount); |
| 460 | |
| 461 | // this has to be last, overwrite the pointer to the metasig with the resolved one |
| 462 | VolatileStore<const BYTE *>(&const_cast<HardCodedMetaSig *>(pHardcodedSig)->m_pMetaSig, pResolved); |
| 463 | } |
| 464 | } |
| 465 | |
| 466 | return pHardcodedSig->m_pMetaSig; |
| 467 | } |
| 468 | |
| 469 | #endif // #ifndef DACCESS_COMPILE |
| 470 | |
| 471 | #ifdef _DEBUG |
| 472 | void MscorlibBinder::TriggerGCUnderStress() |
| 473 | { |
| 474 | CONTRACTL |
| 475 | { |
| 476 | THROWS; |
| 477 | GC_TRIGGERS; |
| 478 | SO_TOLERANT; |
| 479 | INJECT_FAULT(ThrowOutOfMemory()); |
| 480 | } |
| 481 | CONTRACTL_END; |
| 482 | |
| 483 | #ifndef DACCESS_COMPILE |
| 484 | _ASSERTE (GetThread ()); |
| 485 | TRIGGERSGC (); |
| 486 | // Force a GC here because GetClass could trigger GC nondeterminsticly |
| 487 | if (g_pConfig->GetGCStressLevel() != 0) |
| 488 | { |
| 489 | DEBUG_ONLY_REGION(); |
| 490 | Thread * pThread = GetThread (); |
| 491 | BOOL bInCoopMode = pThread->PreemptiveGCDisabled (); |
| 492 | GCX_COOP (); |
| 493 | if (bInCoopMode) |
| 494 | { |
| 495 | pThread->PulseGCMode (); |
| 496 | } |
| 497 | } |
| 498 | #endif //DACCESS_COMPILE |
| 499 | } |
| 500 | #endif // _DEBUG |
| 501 | |
| 502 | DWORD MscorlibBinder::GetFieldOffset(BinderFieldID id) |
| 503 | { |
| 504 | WRAPPER_NO_CONTRACT; |
| 505 | |
| 506 | return GetField(id)->GetOffset(); |
| 507 | } |
| 508 | |
| 509 | #ifndef DACCESS_COMPILE |
| 510 | |
| 511 | CrstStatic MscorlibBinder::s_SigConvertCrst; |
| 512 | |
| 513 | /*static*/ |
| 514 | void MscorlibBinder::Startup() |
| 515 | { |
| 516 | WRAPPER_NO_CONTRACT |
| 517 | s_SigConvertCrst.Init(CrstSigConvert); |
| 518 | } |
| 519 | |
| 520 | #if defined(_DEBUG) && !defined(CROSSGEN_COMPILE) |
| 521 | |
| 522 | // NoClass is used to suppress check for unmanaged and managed size match |
| 523 | #define NoClass char[USHRT_MAX] |
| 524 | |
| 525 | const MscorlibBinder::OffsetAndSizeCheck MscorlibBinder::OffsetsAndSizes[] = |
| 526 | { |
| 527 | #define DEFINE_CLASS_U(nameSpace, stringName, unmanagedType) \ |
| 528 | { PTR_CSTR((TADDR) g_ ## nameSpace ## NS ), PTR_CUTF8((TADDR) # stringName), sizeof(unmanagedType), 0, 0, 0 }, |
| 529 | |
| 530 | #define DEFINE_FIELD_U(stringName, unmanagedContainingType, unmanagedOffset) \ |
| 531 | { 0, 0, 0, PTR_CUTF8((TADDR) # stringName), offsetof(unmanagedContainingType, unmanagedOffset), sizeof(((unmanagedContainingType*)1)->unmanagedOffset) }, |
| 532 | #include "mscorlib.h" |
| 533 | }; |
| 534 | |
| 535 | // |
| 536 | // check the basic consistency between mscorlib and mscorwks |
| 537 | // |
| 538 | void MscorlibBinder::Check() |
| 539 | { |
| 540 | STANDARD_VM_CONTRACT; |
| 541 | |
| 542 | MethodTable * pMT = NULL; |
| 543 | |
| 544 | for (unsigned i = 0; i < NumItems(OffsetsAndSizes); i++) |
| 545 | { |
| 546 | const OffsetAndSizeCheck * p = OffsetsAndSizes + i; |
| 547 | |
| 548 | if (p->className != NULL) |
| 549 | { |
| 550 | pMT = ClassLoader::LoadTypeByNameThrowing(GetModule()->GetAssembly(), p->classNameSpace, p->className).AsMethodTable(); |
| 551 | |
| 552 | if (p->expectedClassSize == sizeof(NoClass)) |
| 553 | continue; |
| 554 | |
| 555 | // hidden size of the type that participates in the alignment calculation |
| 556 | DWORD hiddenSize = pMT->IsValueType() ? sizeof(MethodTable*) : 0; |
| 557 | |
| 558 | DWORD size = pMT->GetBaseSize() - (sizeof(ObjHeader)+hiddenSize); |
| 559 | |
| 560 | DWORD expectedsize = (DWORD)ALIGN_UP(p->expectedClassSize + (sizeof(ObjHeader) + hiddenSize), |
| 561 | DATA_ALIGNMENT) - (sizeof(ObjHeader) + hiddenSize); |
| 562 | |
| 563 | CONSISTENCY_CHECK_MSGF(size == expectedsize, |
| 564 | ("Managed object size does not match unmanaged object size\n" |
| 565 | "man: 0x%x, unman: 0x%x, Name: %s\n" , size, expectedsize, pMT->GetDebugClassName())); |
| 566 | } |
| 567 | else |
| 568 | if (p->fieldName != NULL) |
| 569 | { |
| 570 | // This assert will fire if there is DEFINE_FIELD_U macro without preceeding DEFINE_CLASS_U macro in mscorlib.h |
| 571 | _ASSERTE(pMT != NULL); |
| 572 | |
| 573 | FieldDesc * pFD = MemberLoader::FindField(pMT, p->fieldName, NULL, 0, NULL); |
| 574 | _ASSERTE(pFD != NULL); |
| 575 | |
| 576 | DWORD offset = pFD->GetOffset(); |
| 577 | |
| 578 | if (!pFD->IsFieldOfValueType()) |
| 579 | { |
| 580 | offset += Object::GetOffsetOfFirstField(); |
| 581 | } |
| 582 | |
| 583 | CONSISTENCY_CHECK_MSGF(offset == p->expectedFieldOffset, |
| 584 | ("Managed class field offset does not match unmanaged class field offset\n" |
| 585 | "man: 0x%x, unman: 0x%x, Class: %s, Name: %s\n" , offset, p->expectedFieldOffset, pFD->GetApproxEnclosingMethodTable()->GetDebugClassName(), pFD->GetName())); |
| 586 | |
| 587 | DWORD size = pFD->LoadSize(); |
| 588 | |
| 589 | CONSISTENCY_CHECK_MSGF(size == p->expectedFieldSize, |
| 590 | ("Managed class field size does not match unmanaged class field size\n" |
| 591 | "man: 0x%x, unman: 0x%x, Class: %s, Name: %s\n" , size, p->expectedFieldSize, pFD->GetApproxEnclosingMethodTable()->GetDebugClassName(), pFD->GetName())); |
| 592 | } |
| 593 | } |
| 594 | } |
| 595 | |
| 596 | #ifdef CHECK_FCALL_SIGNATURE |
| 597 | // |
| 598 | // check consistency of the unmanaged and managed fcall signatures |
| 599 | // |
| 600 | /* static */ FCSigCheck* FCSigCheck::g_pFCSigCheck; |
| 601 | const char * aType[] = |
| 602 | { |
| 603 | "void" , |
| 604 | "FC_BOOL_RET" , |
| 605 | "CLR_BOOL" , |
| 606 | "FC_CHAR_RET" , |
| 607 | "CLR_CHAR" , |
| 608 | "FC_INT8_RET" , |
| 609 | "INT8" , |
| 610 | "FC_UINT8_RET" , |
| 611 | "UINT8" , |
| 612 | "FC_INT16_RET" , |
| 613 | "INT16" , |
| 614 | "FC_UINT16_RET" , |
| 615 | "UINT16" , |
| 616 | "INT64" , |
| 617 | "VINT64" , |
| 618 | "UINT64" , |
| 619 | "VUINT64" , |
| 620 | "float" , |
| 621 | "Vfloat" , |
| 622 | "double" , |
| 623 | "Vdouble" |
| 624 | }; |
| 625 | |
| 626 | const char * aInt32Type[] = |
| 627 | { |
| 628 | "INT32" , |
| 629 | "UINT32" , // we might remove it to have a better check |
| 630 | "int" , |
| 631 | "unsigned int" , // we might remove it to have a better check |
| 632 | "DWORD" , // we might remove it to have a better check |
| 633 | "HRESULT" , // we might remove it to have a better check |
| 634 | "mdToken" , // we might remove it to have a better check |
| 635 | "ULONG" , // we might remove it to have a better check |
| 636 | "mdMemberRef" , // we might remove it to have a better check |
| 637 | "mdCustomAttribute" , // we might remove it to have a better check |
| 638 | "mdTypeDef" , // we might remove it to have a better check |
| 639 | "mdFieldDef" , // we might remove it to have a better check |
| 640 | "LONG" , |
| 641 | "CLR_I4" , |
| 642 | "LCID" // we might remove it to have a better check |
| 643 | }; |
| 644 | |
| 645 | const char * aUInt32Type[] = |
| 646 | { |
| 647 | "UINT32" , |
| 648 | "unsigned int" , |
| 649 | "DWORD" , |
| 650 | "INT32" , // we might remove it to have a better check |
| 651 | "ULONG" |
| 652 | }; |
| 653 | |
| 654 | static BOOL IsStrInArray(const char* sStr, size_t len, const char* aStrArray[], int nSize) |
| 655 | { |
| 656 | STANDARD_VM_CONTRACT; |
| 657 | for (int i = 0; i < nSize; i++) |
| 658 | { |
| 659 | if (SString::_strnicmp(aStrArray[i], sStr, (COUNT_T)len) == 0) |
| 660 | { |
| 661 | return TRUE; |
| 662 | } |
| 663 | } |
| 664 | return FALSE; |
| 665 | } |
| 666 | |
| 667 | static void FCallCheckSignature(MethodDesc* pMD, PCODE pImpl) |
| 668 | { |
| 669 | STANDARD_VM_CONTRACT; |
| 670 | |
| 671 | const char* pUnmanagedSig = NULL; |
| 672 | |
| 673 | FCSigCheck* pSigCheck = FCSigCheck::g_pFCSigCheck; |
| 674 | while (pSigCheck != NULL) |
| 675 | { |
| 676 | if (pImpl == (PCODE)pSigCheck->func) { |
| 677 | pUnmanagedSig = pSigCheck->signature; |
| 678 | break; |
| 679 | } |
| 680 | pSigCheck = pSigCheck->next; |
| 681 | } |
| 682 | |
| 683 | MetaSig msig(pMD); |
| 684 | int argIndex = -2; // start with return value |
| 685 | int enregisteredArguments = 0; |
| 686 | const char* pUnmanagedArg = pUnmanagedSig; |
| 687 | for (;;) |
| 688 | { |
| 689 | CorElementType argType = ELEMENT_TYPE_END; |
| 690 | TypeHandle argTypeHandle; |
| 691 | |
| 692 | if (argIndex == -2) |
| 693 | { |
| 694 | // return value |
| 695 | argType = msig.GetReturnType(); |
| 696 | if (argType == ELEMENT_TYPE_VALUETYPE) |
| 697 | argTypeHandle = msig.GetRetTypeHandleThrowing(); |
| 698 | } |
| 699 | |
| 700 | if (argIndex == -1) |
| 701 | { |
| 702 | // this ptr |
| 703 | if (msig.HasThis()) |
| 704 | argType = ELEMENT_TYPE_CLASS; |
| 705 | else |
| 706 | argIndex++; // move on to the first argument |
| 707 | } |
| 708 | |
| 709 | if (argIndex >= 0) |
| 710 | { |
| 711 | argType = msig.NextArg(); |
| 712 | if (argType == ELEMENT_TYPE_END) |
| 713 | break; |
| 714 | if (argType == ELEMENT_TYPE_VALUETYPE) |
| 715 | argTypeHandle = msig.GetLastTypeHandleThrowing(); |
| 716 | } |
| 717 | |
| 718 | const char* expectedType = NULL; |
| 719 | |
| 720 | switch (argType) |
| 721 | { |
| 722 | case ELEMENT_TYPE_VOID: |
| 723 | expectedType = pMD->IsCtor() ? NULL : "void" ; |
| 724 | break; |
| 725 | case ELEMENT_TYPE_BOOLEAN: |
| 726 | expectedType = (argIndex == -2) ? "FC_BOOL_RET" : "CLR_BOOL" ; |
| 727 | break; |
| 728 | case ELEMENT_TYPE_CHAR: |
| 729 | expectedType = (argIndex == -2) ? "FC_CHAR_RET" : "CLR_CHAR" ; |
| 730 | break; |
| 731 | case ELEMENT_TYPE_I1: |
| 732 | expectedType = (argIndex == -2) ? "FC_INT8_RET" : "INT8" ; |
| 733 | break; |
| 734 | case ELEMENT_TYPE_U1: |
| 735 | expectedType = (argIndex == -2) ? "FC_UINT8_RET" : "UINT8" ; |
| 736 | break; |
| 737 | case ELEMENT_TYPE_I2: |
| 738 | expectedType = (argIndex == -2) ? "FC_INT16_RET" : "INT16" ; |
| 739 | break; |
| 740 | case ELEMENT_TYPE_U2: |
| 741 | expectedType = (argIndex == -2) ? "FC_UINT16_RET" : "UINT16" ; |
| 742 | break; |
| 743 | //case ELEMENT_TYPE_I4: |
| 744 | // expectedType = "INT32"; |
| 745 | // break; |
| 746 | // case ELEMENT_TYPE_U4: |
| 747 | // expectedType = "UINT32"; |
| 748 | // break; |
| 749 | |
| 750 | // See the comments in fcall.h on what the "V" prefix means. |
| 751 | case ELEMENT_TYPE_I8: |
| 752 | expectedType = ((argIndex == -2) || (enregisteredArguments >= 2)) ? "INT64" : "VINT64" ; |
| 753 | break; |
| 754 | case ELEMENT_TYPE_U8: |
| 755 | expectedType = ((argIndex == -2) || (enregisteredArguments >= 2)) ? "UINT64" : "VUINT64" ; |
| 756 | break; |
| 757 | case ELEMENT_TYPE_R4: |
| 758 | expectedType = ((argIndex == -2) || (enregisteredArguments >= 2)) ? "float" : "Vfloat" ; |
| 759 | break; |
| 760 | case ELEMENT_TYPE_R8: |
| 761 | expectedType = ((argIndex == -2) || (enregisteredArguments >= 2)) ? "double" : "Vdouble" ; |
| 762 | break; |
| 763 | default: |
| 764 | // no checks for other types |
| 765 | break; |
| 766 | } |
| 767 | |
| 768 | // Count number of enregistered arguments for x86 |
| 769 | if ((argIndex != -2) && !((expectedType != NULL) && (*expectedType == 'V'))) |
| 770 | { |
| 771 | enregisteredArguments++; |
| 772 | } |
| 773 | |
| 774 | if (pUnmanagedSig != NULL) |
| 775 | { |
| 776 | CONSISTENCY_CHECK_MSGF(pUnmanagedArg != NULL, |
| 777 | ("Unexpected end of managed fcall signature\n" |
| 778 | "Method: %s:%s\n" , pMD->m_pszDebugClassName, pMD->m_pszDebugMethodName)); |
| 779 | |
| 780 | const char* pUnmanagedArgEnd = strchr(pUnmanagedArg, ','); |
| 781 | |
| 782 | const char* pUnmanagedTypeEnd = (pUnmanagedArgEnd != NULL) ? |
| 783 | pUnmanagedArgEnd : (pUnmanagedArg + strlen(pUnmanagedArg)); |
| 784 | |
| 785 | if (argIndex != -2) |
| 786 | { |
| 787 | // skip argument name |
| 788 | while(pUnmanagedTypeEnd > pUnmanagedArg) |
| 789 | { |
| 790 | char c = *(pUnmanagedTypeEnd-1); |
| 791 | if ((c != '_') |
| 792 | && ((c < '0') || ('9' < c)) |
| 793 | && ((c < 'a') || ('z' < c)) |
| 794 | && ((c < 'A') || ('Z' < c))) |
| 795 | break; |
| 796 | pUnmanagedTypeEnd--; |
| 797 | } |
| 798 | } |
| 799 | |
| 800 | // skip whitespaces |
| 801 | while(pUnmanagedTypeEnd > pUnmanagedArg) |
| 802 | { |
| 803 | char c = *(pUnmanagedTypeEnd-1); |
| 804 | if ((c != 0x20) && (c != '\t') && (c != '\n') && (c != '\r')) |
| 805 | break; |
| 806 | pUnmanagedTypeEnd--; |
| 807 | } |
| 808 | |
| 809 | size_t len = pUnmanagedTypeEnd - pUnmanagedArg; |
| 810 | // generate the unmanaged argument signature to show them in the error message if possible |
| 811 | StackSString ssUnmanagedType(SString::Ascii, pUnmanagedArg, (COUNT_T)len); |
| 812 | StackScratchBuffer buffer; |
| 813 | const char * pUnManagedType = ssUnmanagedType.GetANSI(buffer); |
| 814 | |
| 815 | if (expectedType != NULL) |
| 816 | { |
| 817 | // when managed type is well known |
| 818 | if (!(strlen(expectedType) == len && SString::_strnicmp(expectedType, pUnmanagedArg, (COUNT_T)len) == 0)) |
| 819 | { |
| 820 | printf("CheckExtended: The managed and unmanaged fcall signatures do not match, Method: %s:%s. Argument: %d Expecting: %s Actual: %s\n" , pMD->m_pszDebugClassName, pMD->m_pszDebugMethodName, argIndex, expectedType, pUnManagedType); |
| 821 | } |
| 822 | } |
| 823 | else |
| 824 | { |
| 825 | // when managed type is not wellknown, we still can find sig mismatch if native type is a well known type |
| 826 | BOOL bSigError = false; |
| 827 | if (argType == ELEMENT_TYPE_VOID && pMD->IsCtor()) |
| 828 | { |
| 829 | bSigError = false; |
| 830 | } |
| 831 | else if (argType == ELEMENT_TYPE_I4) |
| 832 | { |
| 833 | bSigError = !IsStrInArray(pUnmanagedArg, len, aInt32Type, NumItems(aInt32Type)); |
| 834 | } |
| 835 | else if (argType == ELEMENT_TYPE_U4) |
| 836 | { |
| 837 | bSigError = !IsStrInArray(pUnmanagedArg, len, aUInt32Type, NumItems(aUInt32Type)); |
| 838 | } |
| 839 | else if (argType == ELEMENT_TYPE_VALUETYPE) |
| 840 | { |
| 841 | // we already did special check for value type |
| 842 | bSigError = false; |
| 843 | } |
| 844 | else |
| 845 | { |
| 846 | bSigError = IsStrInArray(pUnmanagedArg, len, aType, NumItems(aType)); |
| 847 | } |
| 848 | if (bSigError) |
| 849 | { |
| 850 | printf("CheckExtended: The managed and unmanaged fcall signatures do not match, Method: %s:%s. Argument: %d Expecting: (CorElementType)%d actual: %s\n" , pMD->m_pszDebugClassName, pMD->m_pszDebugMethodName, argIndex, argType, pUnManagedType); |
| 851 | } |
| 852 | } |
| 853 | pUnmanagedArg = (pUnmanagedArgEnd != NULL) ? (pUnmanagedArgEnd+1) : NULL; |
| 854 | } |
| 855 | |
| 856 | argIndex++; |
| 857 | } |
| 858 | |
| 859 | if (pUnmanagedSig != NULL) |
| 860 | { |
| 861 | if (msig.IsVarArg()) |
| 862 | { |
| 863 | if (!((pUnmanagedArg != NULL) && strcmp(pUnmanagedArg, "..." ) == 0)) |
| 864 | { |
| 865 | printf("CheckExtended: Expecting varargs in unmanaged fcall signature, Method: %s:%s\n" , pMD->m_pszDebugClassName, pMD->m_pszDebugMethodName); |
| 866 | } |
| 867 | } |
| 868 | else |
| 869 | { |
| 870 | if (!(pUnmanagedArg == NULL)) |
| 871 | { |
| 872 | printf("CheckExtended: Unexpected end of unmanaged fcall signature, Method: %s:%s\n" , pMD->m_pszDebugClassName, pMD->m_pszDebugMethodName); |
| 873 | } |
| 874 | } |
| 875 | } |
| 876 | } |
| 877 | #endif // CHECK_FCALL_SIGNATURE |
| 878 | |
| 879 | // |
| 880 | // extended check of consistency between mscorlib and mscorwks: |
| 881 | // - verifies that all references from mscorlib to mscorwks are present |
| 882 | // - verifies that all references from mscorwks to mscorlib are present |
| 883 | // - limited detection of mismatches between managed and unmanaged fcall signatures |
| 884 | // |
| 885 | void MscorlibBinder::CheckExtended() |
| 886 | { |
| 887 | STANDARD_VM_CONTRACT; |
| 888 | |
| 889 | // check the consistency of BCL and VM |
| 890 | // note: it is not enabled by default because of it is time consuming and |
| 891 | // changes the bootstrap sequence of the EE |
| 892 | if (!CLRConfig::GetConfigValue(CLRConfig::INTERNAL_ConsistencyCheck)) |
| 893 | return; |
| 894 | |
| 895 | // |
| 896 | // VM referencing BCL (mscorlib.h) |
| 897 | // |
| 898 | for (BinderClassID cID = (BinderClassID) 1; (int)cID < m_cClasses; cID = (BinderClassID) (cID + 1)) |
| 899 | { |
| 900 | bool fError = false; |
| 901 | EX_TRY |
| 902 | { |
| 903 | if (MscorlibBinder::GetClassName(cID) != NULL) // Allow for CorSigElement entries with no classes |
| 904 | { |
| 905 | if (NULL == MscorlibBinder::GetClass(cID)) |
| 906 | { |
| 907 | fError = true; |
| 908 | } |
| 909 | } |
| 910 | } |
| 911 | EX_CATCH |
| 912 | { |
| 913 | fError = true; |
| 914 | } |
| 915 | EX_END_CATCH(SwallowAllExceptions) |
| 916 | |
| 917 | if (fError) |
| 918 | { |
| 919 | printf("CheckExtended: VM expects type to exist: %s.%s\n" , MscorlibBinder::GetClassNameSpace(cID), MscorlibBinder::GetClassName(cID)); |
| 920 | } |
| 921 | } |
| 922 | |
| 923 | for (BinderMethodID mID = (BinderMethodID) 1; mID < (BinderMethodID) MscorlibBinder::m_cMethods; mID = (BinderMethodID) (mID + 1)) |
| 924 | { |
| 925 | bool fError = false; |
| 926 | BinderClassID cID = m_methodDescriptions[mID-1].classID; |
| 927 | EX_TRY |
| 928 | { |
| 929 | if (NULL == MscorlibBinder::GetMethod(mID)) |
| 930 | { |
| 931 | fError = true; |
| 932 | } |
| 933 | } |
| 934 | EX_CATCH |
| 935 | { |
| 936 | fError = true; |
| 937 | } |
| 938 | EX_END_CATCH(SwallowAllExceptions) |
| 939 | |
| 940 | if (fError) |
| 941 | { |
| 942 | printf("CheckExtended: VM expects method to exist: %s.%s::%s\n" , MscorlibBinder::GetClassNameSpace(cID), MscorlibBinder::GetClassName(cID), MscorlibBinder::GetMethodName(mID)); |
| 943 | } |
| 944 | } |
| 945 | |
| 946 | for (BinderFieldID fID = (BinderFieldID) 1; fID < (BinderFieldID) MscorlibBinder::m_cFields; fID = (BinderFieldID) (fID + 1)) |
| 947 | { |
| 948 | bool fError = false; |
| 949 | BinderClassID cID = m_fieldDescriptions[fID-1].classID; |
| 950 | EX_TRY |
| 951 | { |
| 952 | if (NULL == MscorlibBinder::GetField(fID)) |
| 953 | { |
| 954 | fError = true; |
| 955 | } |
| 956 | } |
| 957 | EX_CATCH |
| 958 | { |
| 959 | fError = true; |
| 960 | } |
| 961 | EX_END_CATCH(SwallowAllExceptions) |
| 962 | |
| 963 | if (fError) |
| 964 | { |
| 965 | printf("CheckExtended: VM expects field to exist: %s.%s::%s\n" , MscorlibBinder::GetClassNameSpace(cID), MscorlibBinder::GetClassName(cID), MscorlibBinder::GetFieldName(fID)); |
| 966 | } |
| 967 | } |
| 968 | |
| 969 | // |
| 970 | // BCL referencing VM (ecall.cpp) |
| 971 | // |
| 972 | SetSHash<DWORD> usedECallIds; |
| 973 | |
| 974 | HRESULT hr = S_OK; |
| 975 | Module *pModule = MscorlibBinder::m_pModule; |
| 976 | IMDInternalImport *pInternalImport = pModule->GetMDImport(); |
| 977 | |
| 978 | HENUMInternal hEnum; |
| 979 | |
| 980 | // for all methods... |
| 981 | IfFailGo(pInternalImport->EnumAllInit(mdtMethodDef, &hEnum)); |
| 982 | |
| 983 | for (;;) { |
| 984 | mdTypeDef td; |
| 985 | mdTypeDef tdClass; |
| 986 | DWORD dwImplFlags; |
| 987 | DWORD dwMemberAttrs; |
| 988 | |
| 989 | if (!pInternalImport->EnumNext(&hEnum, &td)) |
| 990 | break; |
| 991 | |
| 992 | pInternalImport->GetMethodImplProps(td, NULL, &dwImplFlags); |
| 993 | |
| 994 | IfFailGo(pInternalImport->GetMethodDefProps(td, &dwMemberAttrs)); |
| 995 | |
| 996 | // ... that are internal calls ... |
| 997 | if (!IsMiInternalCall(dwImplFlags) && !IsMdPinvokeImpl(dwMemberAttrs)) |
| 998 | continue; |
| 999 | |
| 1000 | IfFailGo(pInternalImport->GetParentToken(td, &tdClass)); |
| 1001 | |
| 1002 | TypeHandle type; |
| 1003 | |
| 1004 | EX_TRY |
| 1005 | { |
| 1006 | type = ClassLoader::LoadTypeDefOrRefThrowing(pModule, tdClass, |
| 1007 | ClassLoader::ThrowIfNotFound, |
| 1008 | ClassLoader::PermitUninstDefOrRef); |
| 1009 | } |
| 1010 | EX_CATCH |
| 1011 | { |
| 1012 | LPCUTF8 pszClassName; |
| 1013 | LPCUTF8 pszNameSpace; |
| 1014 | if (FAILED(pInternalImport->GetNameOfTypeDef(tdClass, &pszClassName, &pszNameSpace))) |
| 1015 | { |
| 1016 | pszClassName = pszNameSpace = "Invalid TypeDef record" ; |
| 1017 | } |
| 1018 | printf("CheckExtended: Unable to load class from mscorlib: %s.%s\n" , pszNameSpace, pszClassName); |
| 1019 | } |
| 1020 | EX_END_CATCH(SwallowAllExceptions) |
| 1021 | |
| 1022 | MethodDesc *pMD = MemberLoader::FindMethod(type.AsMethodTable(), td); |
| 1023 | _ASSERTE(pMD); |
| 1024 | |
| 1025 | // Required to support generic FCalls (only instance methods on generic types constrained to "class" are allowed) |
| 1026 | if (type.IsGenericTypeDefinition()) { |
| 1027 | pMD = pMD->FindOrCreateTypicalSharedInstantiation(); |
| 1028 | } |
| 1029 | |
| 1030 | DWORD id = 0; |
| 1031 | |
| 1032 | if (pMD->IsFCall()) |
| 1033 | { |
| 1034 | id = ((FCallMethodDesc *)pMD)->GetECallID(); |
| 1035 | if (id == 0) { |
| 1036 | id = ECall::GetIDForMethod(pMD); |
| 1037 | } |
| 1038 | } |
| 1039 | else |
| 1040 | if (pMD->IsNDirect()) |
| 1041 | { |
| 1042 | PInvokeStaticSigInfo sigInfo; |
| 1043 | NDirect::PopulateNDirectMethodDesc((NDirectMethodDesc *)pMD, &sigInfo); |
| 1044 | |
| 1045 | if (pMD->IsQCall()) |
| 1046 | { |
| 1047 | id = ((NDirectMethodDesc *)pMD)->GetECallID(); |
| 1048 | if (id == 0) { |
| 1049 | id = ECall::GetIDForMethod(pMD); |
| 1050 | } |
| 1051 | } |
| 1052 | else |
| 1053 | { |
| 1054 | continue; |
| 1055 | } |
| 1056 | } |
| 1057 | else |
| 1058 | { |
| 1059 | continue; |
| 1060 | } |
| 1061 | |
| 1062 | // ... check that the method is in the fcall table. |
| 1063 | if (id == 0) { |
| 1064 | LPCUTF8 pszClassName; |
| 1065 | LPCUTF8 pszNameSpace; |
| 1066 | if (FAILED(pInternalImport->GetNameOfTypeDef(tdClass, &pszClassName, &pszNameSpace))) |
| 1067 | { |
| 1068 | pszClassName = pszNameSpace = "Invalid TypeDef record" ; |
| 1069 | } |
| 1070 | LPCUTF8 pszName; |
| 1071 | if (FAILED(pInternalImport->GetNameOfMethodDef(td, &pszName))) |
| 1072 | { |
| 1073 | pszName = "Invalid method name" ; |
| 1074 | } |
| 1075 | printf("CheckExtended: Unable to find internalcall implementation: %s.%s::%s\n" , pszNameSpace, pszClassName, pszName); |
| 1076 | } |
| 1077 | |
| 1078 | if (id != 0) |
| 1079 | { |
| 1080 | usedECallIds.Add(id); |
| 1081 | } |
| 1082 | |
| 1083 | #ifdef CHECK_FCALL_SIGNATURE |
| 1084 | if (pMD->IsFCall()) |
| 1085 | { |
| 1086 | FCallCheckSignature(pMD, ECall::GetFCallImpl(pMD)); |
| 1087 | } |
| 1088 | #endif // CHECK_FCALL_SIGNATURE |
| 1089 | } |
| 1090 | |
| 1091 | pInternalImport->EnumClose(&hEnum); |
| 1092 | |
| 1093 | // Verify that there are no unused entries in the ecall table |
| 1094 | ECall::CheckUnusedECalls(usedECallIds); |
| 1095 | |
| 1096 | // |
| 1097 | // Stub constants |
| 1098 | // |
| 1099 | #define ASMCONSTANTS_C_ASSERT(cond) |
| 1100 | #define ASMCONSTANTS_RUNTIME_ASSERT(cond) _ASSERTE(cond) |
| 1101 | #include "asmconstants.h" |
| 1102 | |
| 1103 | _ASSERTE(sizeof(VARIANT) == MscorlibBinder::GetClass(CLASS__NATIVEVARIANT)->GetNativeSize()); |
| 1104 | |
| 1105 | printf("CheckExtended: completed without exception.\n" ); |
| 1106 | |
| 1107 | ErrExit: |
| 1108 | _ASSERTE(SUCCEEDED(hr)); |
| 1109 | } |
| 1110 | |
| 1111 | #endif // _DEBUG && !CROSSGEN_COMPILE |
| 1112 | |
| 1113 | extern const MscorlibClassDescription c_rgMscorlibClassDescriptions[]; |
| 1114 | extern const USHORT c_nMscorlibClassDescriptions; |
| 1115 | |
| 1116 | extern const MscorlibMethodDescription c_rgMscorlibMethodDescriptions[]; |
| 1117 | extern const USHORT c_nMscorlibMethodDescriptions; |
| 1118 | |
| 1119 | extern const MscorlibFieldDescription c_rgMscorlibFieldDescriptions[]; |
| 1120 | extern const USHORT c_nMscorlibFieldDescriptions; |
| 1121 | |
| 1122 | #ifdef CROSSGEN_COMPILE |
| 1123 | namespace CrossGenMscorlib |
| 1124 | { |
| 1125 | extern const MscorlibClassDescription c_rgMscorlibClassDescriptions[]; |
| 1126 | extern const USHORT c_nMscorlibClassDescriptions; |
| 1127 | |
| 1128 | extern const MscorlibMethodDescription c_rgMscorlibMethodDescriptions[]; |
| 1129 | extern const USHORT c_nMscorlibMethodDescriptions; |
| 1130 | |
| 1131 | extern const MscorlibFieldDescription c_rgMscorlibFieldDescriptions[]; |
| 1132 | extern const USHORT c_nMscorlibFieldDescriptions; |
| 1133 | }; |
| 1134 | #endif |
| 1135 | |
| 1136 | void MscorlibBinder::AttachModule(Module * pModule) |
| 1137 | { |
| 1138 | STANDARD_VM_CONTRACT; |
| 1139 | |
| 1140 | MscorlibBinder * pGlobalBinder = &g_Mscorlib; |
| 1141 | |
| 1142 | pGlobalBinder->SetDescriptions(pModule, |
| 1143 | c_rgMscorlibClassDescriptions, c_nMscorlibClassDescriptions, |
| 1144 | c_rgMscorlibMethodDescriptions, c_nMscorlibMethodDescriptions, |
| 1145 | c_rgMscorlibFieldDescriptions, c_nMscorlibFieldDescriptions); |
| 1146 | |
| 1147 | #if defined(FEATURE_PREJIT) && !defined(CROSSGEN_COMPILE) |
| 1148 | MscorlibBinder * pPersistedBinder = pModule->m_pBinder; |
| 1149 | |
| 1150 | if (pPersistedBinder != NULL |
| 1151 | // Do not use persisted binder for profiling native images. See comment in code:MscorlibBinder::Fixup. |
| 1152 | && !(pModule->GetNativeImage()->GetNativeVersionInfo()->wConfigFlags & CORCOMPILE_CONFIG_PROFILING)) |
| 1153 | { |
| 1154 | pGlobalBinder->m_pClasses = pPersistedBinder->m_pClasses; |
| 1155 | pGlobalBinder->m_pMethods = pPersistedBinder->m_pMethods; |
| 1156 | pGlobalBinder->m_pFields = pPersistedBinder->m_pFields; |
| 1157 | |
| 1158 | pModule->m_pBinder = pGlobalBinder; |
| 1159 | return; |
| 1160 | } |
| 1161 | #endif // FEATURE_PREJIT && CROSSGEN_COMPILE |
| 1162 | |
| 1163 | pGlobalBinder->AllocateTables(); |
| 1164 | |
| 1165 | #ifdef CROSSGEN_COMPILE |
| 1166 | MscorlibBinder * pTargetBinder = (MscorlibBinder *)(void *) |
| 1167 | pModule->GetAssembly()->GetLowFrequencyHeap() |
| 1168 | ->AllocMem(S_SIZE_T(sizeof(MscorlibBinder))); |
| 1169 | |
| 1170 | pTargetBinder->SetDescriptions(pModule, |
| 1171 | CrossGenMscorlib::c_rgMscorlibClassDescriptions, CrossGenMscorlib::c_nMscorlibClassDescriptions, |
| 1172 | CrossGenMscorlib::c_rgMscorlibMethodDescriptions, CrossGenMscorlib::c_nMscorlibMethodDescriptions, |
| 1173 | CrossGenMscorlib::c_rgMscorlibFieldDescriptions, CrossGenMscorlib::c_nMscorlibFieldDescriptions); |
| 1174 | |
| 1175 | pTargetBinder->AllocateTables(); |
| 1176 | |
| 1177 | pModule->m_pBinder = pTargetBinder; |
| 1178 | #else |
| 1179 | pModule->m_pBinder = pGlobalBinder; |
| 1180 | #endif |
| 1181 | } |
| 1182 | |
| 1183 | void MscorlibBinder::SetDescriptions(Module * pModule, |
| 1184 | const MscorlibClassDescription * pClassDescriptions, USHORT nClasses, |
| 1185 | const MscorlibMethodDescription * pMethodDescriptions, USHORT nMethods, |
| 1186 | const MscorlibFieldDescription * pFieldDescriptions, USHORT nFields) |
| 1187 | { |
| 1188 | LIMITED_METHOD_CONTRACT; |
| 1189 | |
| 1190 | m_pModule = pModule; |
| 1191 | |
| 1192 | m_classDescriptions = pClassDescriptions; |
| 1193 | m_cClasses = nClasses; |
| 1194 | |
| 1195 | m_methodDescriptions = pMethodDescriptions; |
| 1196 | m_cMethods = nMethods; |
| 1197 | |
| 1198 | m_fieldDescriptions = pFieldDescriptions; |
| 1199 | m_cFields = nFields; |
| 1200 | } |
| 1201 | |
| 1202 | void MscorlibBinder::AllocateTables() |
| 1203 | { |
| 1204 | STANDARD_VM_CONTRACT; |
| 1205 | |
| 1206 | LoaderHeap * pHeap = m_pModule->GetAssembly()->GetLowFrequencyHeap(); |
| 1207 | |
| 1208 | m_pClasses = (MethodTable **)(void *) |
| 1209 | pHeap->AllocMem(S_SIZE_T(m_cClasses) * S_SIZE_T(sizeof(*m_pClasses))); |
| 1210 | // Note: Memory allocated on loader heap is zero filled |
| 1211 | // ZeroMemory(m_pClasses, m_cClasses * sizeof(*m_pClasses)); |
| 1212 | |
| 1213 | m_pMethods = (MethodDesc **)(void *) |
| 1214 | pHeap->AllocMem(S_SIZE_T(m_cMethods) * S_SIZE_T(sizeof(*m_pMethods))); |
| 1215 | // Note: Memory allocated on loader heap is zero filled |
| 1216 | // ZeroMemory(m_pMethods, m_cMethodMDs * sizeof(*m_pMethods)); |
| 1217 | |
| 1218 | m_pFields = (FieldDesc **)(void *) |
| 1219 | pHeap->AllocMem(S_SIZE_T(m_cFields) * S_SIZE_T(sizeof(*m_pFields))); |
| 1220 | // Note: Memory allocated on loader heap is zero filled |
| 1221 | // ZeroMemory(m_pFields, m_cFieldRIDs * sizeof(*m_pFields)); |
| 1222 | } |
| 1223 | |
| 1224 | PTR_MethodTable MscorlibBinder::LoadPrimitiveType(CorElementType et) |
| 1225 | { |
| 1226 | STANDARD_VM_CONTRACT; |
| 1227 | |
| 1228 | PTR_MethodTable pMT = g_Mscorlib.m_pClasses[et]; |
| 1229 | |
| 1230 | // Primitive types hit cyclic reference on binder during type loading so we have to load them in two steps |
| 1231 | if (pMT == NULL) |
| 1232 | { |
| 1233 | const MscorlibClassDescription *d = (&g_Mscorlib)->m_classDescriptions + (int)et; |
| 1234 | |
| 1235 | pMT = ClassLoader::LoadTypeByNameThrowing(GetModule()->GetAssembly(), d->nameSpace, d->name, |
| 1236 | ClassLoader::ThrowIfNotFound, ClassLoader::LoadTypes, CLASS_LOAD_APPROXPARENTS).AsMethodTable(); |
| 1237 | g_Mscorlib.m_pClasses[et] = pMT; |
| 1238 | |
| 1239 | ClassLoader::EnsureLoaded(pMT); |
| 1240 | } |
| 1241 | |
| 1242 | return pMT; |
| 1243 | } |
| 1244 | |
| 1245 | #ifdef FEATURE_NATIVE_IMAGE_GENERATION |
| 1246 | void MscorlibBinder::BindAll() |
| 1247 | { |
| 1248 | STANDARD_VM_CONTRACT; |
| 1249 | |
| 1250 | for (BinderClassID cID = (BinderClassID) 1; cID < m_cClasses; cID = (BinderClassID) (cID + 1)) |
| 1251 | { |
| 1252 | if (m_classDescriptions[cID].name != NULL) // Allow for CorSigElement entries with no classes |
| 1253 | GetClassLocal(cID); |
| 1254 | } |
| 1255 | |
| 1256 | for (BinderMethodID mID = (BinderMethodID) 1; mID < m_cMethods; mID = (BinderMethodID) (mID + 1)) |
| 1257 | GetMethodLocal(mID); |
| 1258 | |
| 1259 | for (BinderFieldID fID = (BinderFieldID) 1; fID < m_cFields; fID = (BinderFieldID) (fID + 1)) |
| 1260 | GetFieldLocal(fID); |
| 1261 | } |
| 1262 | |
| 1263 | void MscorlibBinder::Save(DataImage *image) |
| 1264 | { |
| 1265 | STANDARD_VM_CONTRACT; |
| 1266 | |
| 1267 | image->StoreStructure(this, sizeof(MscorlibBinder), |
| 1268 | DataImage::ITEM_BINDER); |
| 1269 | |
| 1270 | image->StoreStructure(m_pClasses, m_cClasses * sizeof(*m_pClasses), |
| 1271 | DataImage::ITEM_BINDER_ITEMS); |
| 1272 | |
| 1273 | image->StoreStructure(m_pMethods, m_cMethods * sizeof(*m_pMethods), |
| 1274 | DataImage::ITEM_BINDER_ITEMS); |
| 1275 | |
| 1276 | image->StoreStructure(m_pFields, m_cFields * sizeof(*m_pFields), |
| 1277 | DataImage::ITEM_BINDER_ITEMS); |
| 1278 | } |
| 1279 | |
| 1280 | void MscorlibBinder::Fixup(DataImage *image) |
| 1281 | { |
| 1282 | STANDARD_VM_CONTRACT; |
| 1283 | |
| 1284 | image->FixupPointerField(this, offsetof(MscorlibBinder, m_pModule)); |
| 1285 | |
| 1286 | int i; |
| 1287 | |
| 1288 | image->FixupPointerField(this, offsetof(MscorlibBinder, m_pClasses)); |
| 1289 | for (i = 1; i < m_cClasses; i++) |
| 1290 | { |
| 1291 | #if _DEBUG |
| 1292 | // |
| 1293 | // We do not want to check for restore at runtime for performance reasons. |
| 1294 | // If there is ever a case that requires restore, it should be special |
| 1295 | // cased here and restored explicitly by GetClass/GetField/GetMethod caller. |
| 1296 | // |
| 1297 | // Profiling NGen images force restore for all types. We are still going to save |
| 1298 | // the binder for nidump, but we are not going to use it at runtime. |
| 1299 | // |
| 1300 | if (m_pClasses[i] != NULL && !GetAppDomain()->ToCompilationDomain()->m_fForceProfiling) |
| 1301 | { |
| 1302 | _ASSERTE(!m_pClasses[i]->NeedsRestore(image)); |
| 1303 | } |
| 1304 | #endif |
| 1305 | image->FixupPointerField(m_pClasses, i * sizeof(m_pClasses[0])); |
| 1306 | } |
| 1307 | |
| 1308 | image->FixupPointerField(this, offsetof(MscorlibBinder, m_pMethods)); |
| 1309 | for (i = 1; i < m_cMethods; i++) |
| 1310 | { |
| 1311 | #if _DEBUG |
| 1312 | // See comment above. |
| 1313 | if (m_pMethods[i] != NULL && !GetAppDomain()->ToCompilationDomain()->m_fForceProfiling) |
| 1314 | { |
| 1315 | _ASSERTE(!m_pMethods[i]->NeedsRestore(image)); |
| 1316 | } |
| 1317 | #endif |
| 1318 | |
| 1319 | image->FixupPointerField(m_pMethods, i * sizeof(m_pMethods[0])); |
| 1320 | } |
| 1321 | |
| 1322 | image->FixupPointerField(this, offsetof(MscorlibBinder, m_pFields)); |
| 1323 | for (i = 1; i < m_cFields; i++) |
| 1324 | { |
| 1325 | image->FixupPointerField(m_pFields, i * sizeof(m_pFields[0])); |
| 1326 | } |
| 1327 | |
| 1328 | image->ZeroPointerField(this, offsetof(MscorlibBinder, m_classDescriptions)); |
| 1329 | image->ZeroPointerField(this, offsetof(MscorlibBinder, m_methodDescriptions)); |
| 1330 | image->ZeroPointerField(this, offsetof(MscorlibBinder, m_fieldDescriptions)); |
| 1331 | } |
| 1332 | #endif // FEATURE_NATIVE_IMAGE_GENERATION |
| 1333 | |
| 1334 | #endif // #ifndef DACCESS_COMPILE |
| 1335 | |
| 1336 | #ifdef DACCESS_COMPILE |
| 1337 | |
| 1338 | void |
| 1339 | MscorlibBinder::EnumMemoryRegions(CLRDataEnumMemoryFlags flags) |
| 1340 | { |
| 1341 | SUPPORTS_DAC; |
| 1342 | DAC_ENUM_DTHIS(); |
| 1343 | |
| 1344 | DacEnumMemoryRegion(dac_cast<TADDR>(m_classDescriptions), |
| 1345 | m_cClasses * sizeof(MscorlibClassDescription)); |
| 1346 | DacEnumMemoryRegion(dac_cast<TADDR>(m_methodDescriptions), |
| 1347 | (m_cMethods - 1) * sizeof(MscorlibMethodDescription)); |
| 1348 | DacEnumMemoryRegion(dac_cast<TADDR>(m_fieldDescriptions), |
| 1349 | (m_cFields - 1) * sizeof(MscorlibFieldDescription)); |
| 1350 | |
| 1351 | if (m_pModule.IsValid()) |
| 1352 | { |
| 1353 | m_pModule->EnumMemoryRegions(flags, true); |
| 1354 | } |
| 1355 | |
| 1356 | DacEnumMemoryRegion(dac_cast<TADDR>(m_pClasses), |
| 1357 | m_cClasses * sizeof(PTR_MethodTable)); |
| 1358 | DacEnumMemoryRegion(dac_cast<TADDR>(m_pMethods), |
| 1359 | m_cMethods * sizeof(PTR_MethodDesc)); |
| 1360 | DacEnumMemoryRegion(dac_cast<TADDR>(m_pFields), |
| 1361 | m_cFields * sizeof(PTR_FieldDesc)); |
| 1362 | } |
| 1363 | |
| 1364 | #endif // #ifdef DACCESS_COMPILE |
| 1365 | |
| 1366 | GVAL_IMPL(MscorlibBinder, g_Mscorlib); |
| 1367 | |