mono/metadata/coree.c

   1 /*
   2  * coree.c: mscoree.dll functions
   3  *
   4  * Author:
   5  *   Kornel Pal <http://www.kornelpal.hu/>
   6  *
   7  * Copyright (C) 2008 Kornel Pal
   8  * Licensed under the MIT license. See LICENSE file in the project root for full license information.
   9  */
  10
  11 #include <config.h>
  12
  13 #ifdef HOST_WIN32
  14
  15 #include <string.h>
  16 #include <glib.h>
  17 #include <mono/io-layer/io-layer.h>
  18 #include <mono/utils/mono-path.h>
  19 #include "cil-coff.h"
  20 #include "metadata-internals.h"
  21 #include "image.h"
  22 #include "assembly.h"
  23 #include "domain-internals.h"
  24 #include "appdomain.h"
  25 #include "object.h"
  26 #include "loader.h"
  27 #include "threads.h"
  28 #include "environment.h"
  29 #include "coree.h"
  30
  31 #include <shellapi.h>
  32
  33 HMODULE coree_module_handle = NULL;
  34
  35 static gboolean init_from_coree = FALSE;
  36
  37 gchar*
  38 mono_get_module_file_name (HMODULE module_handle)
  39 {
  40         gunichar2* file_name;
  41         gchar* file_name_utf8;
  42         DWORD buffer_size;
  43         DWORD size;
  44
  45         buffer_size = 1024;
  46         file_name = g_new (gunichar2, buffer_size);
  47
  48         for (;;) {
  49                 size = GetModuleFileName (module_handle, file_name, buffer_size);
  50                 if (!size) {
  51                         g_free (file_name);
  52                         return NULL;
  53                 }
  54
  55                 g_assert (size <= buffer_size);
  56                 if (size != buffer_size)
  57                         break;
  58
  59                 buffer_size += 1024;
  60                 file_name = g_realloc (file_name, buffer_size * sizeof (gunichar2));
  61         }
  62
  63         file_name_utf8 = g_utf16_to_utf8 (file_name, size, NULL, NULL, NULL);
  64         g_free (file_name);
  65
  66         return file_name_utf8;
  67 }
  68
  69 /* Entry point called by LdrLoadDll of ntdll.dll after _CorValidateImage. */
  70 BOOL STDMETHODCALLTYPE _CorDllMain(HINSTANCE hInst, DWORD dwReason, LPVOID lpReserved)
  71 {
  72         MonoAssembly* assembly;
  73         MonoImage* image;
  74         gchar* file_name;
  75         gchar* error;
  76
  77         switch (dwReason)
  78         {
  79         case DLL_PROCESS_ATTACH:
  80                 DisableThreadLibraryCalls (hInst);
  81
  82                 file_name = mono_get_module_file_name (hInst);
  83
  84                 if (mono_get_root_domain ()) {
  85                         image = mono_image_open_from_module_handle (hInst, mono_path_resolve_symlinks (file_name), TRUE, NULL);
  86                 } else {
  87                         init_from_coree = TRUE;
  88                         mono_runtime_load (file_name, NULL);
  89                         error = (gchar*) mono_check_corlib_version ();
  90                         if (error) {
  91                                 g_free (error);
  92                                 g_free (file_name);
  93                                 mono_runtime_quit ();
  94                                 return FALSE;
  95                         }
  96
  97                         image = mono_image_open (file_name, NULL);
  98                         if (image) {
  99                                 image->has_entry_point = TRUE;
 100                                 mono_close_exe_image ();
 101                                 /* Decrement reference count to zero. (Image will not be closed.) */
 102                                 mono_image_close (image);
 103                         }
 104                 }
 105
 106                 if (!image) {
 107                         g_free (file_name);
 108                         return FALSE;
 109                 }
 110
 111                 /*
 112                  * FIXME: Find a better way to call mono_image_fixup_vtable. Only
 113                  * loader trampolines should be used and assembly loading should
 114                  * probably be delayed until the first call to an exported function.
 115                  */
 116                 if (image->tables [MONO_TABLE_ASSEMBLY].rows && ((MonoCLIImageInfo*) image->image_info)->cli_cli_header.ch_vtable_fixups.rva)
 117                         assembly = mono_assembly_open (file_name, NULL);
 118
 119                 g_free (file_name);
 120                 break;
 121         case DLL_PROCESS_DETACH:
 122                 if (lpReserved != NULL)
 123                         /* The process is terminating. */
 124                         return TRUE;
 125                 file_name = mono_get_module_file_name (hInst);
 126                 image = mono_image_loaded (file_name);
 127                 if (image)
 128                         mono_image_close (image);
 129
 130                 g_free (file_name);
 131                 break;
 132         }
 133
 134         return TRUE;
 135 }
 136
 137 /* Called by ntdll.dll reagardless of entry point after _CorValidateImage. */
 138 __int32 STDMETHODCALLTYPE _CorExeMain(void)
 139 {
 140         MonoError error;
 141         MonoDomain* domain;
 142         MonoAssembly* assembly;
 143         MonoImage* image;
 144         MonoMethod* method;
 145         guint32 entry;
 146         gchar* file_name;
 147         gchar* corlib_version_error;
 148         int argc;
 149         gunichar2** argvw;
 150         gchar** argv;
 151         int i;
 152
 153         file_name = mono_get_module_file_name (NULL);
 154         init_from_coree = TRUE;
 155         domain = mono_runtime_load (file_name, NULL);
 156
 157         corlib_version_error = (gchar*) mono_check_corlib_version ();
 158         if (corlib_version_error) {
 159                 g_free (corlib_version_error);
 160                 g_free (file_name);
 161                 MessageBox (NULL, L"Corlib not in sync with this runtime.", NULL, MB_ICONERROR);
 162                 mono_runtime_quit ();
 163                 ExitProcess (1);
 164         }
 165
 166         assembly = mono_assembly_open (file_name, NULL);
 167         mono_close_exe_image ();
 168         if (!assembly) {
 169                 g_free (file_name);
 170                 MessageBox (NULL, L"Cannot open assembly.", NULL, MB_ICONERROR);
 171                 mono_runtime_quit ();
 172                 ExitProcess (1);
 173         }
 174
 175         image = assembly->image;
 176         entry = mono_image_get_entry_point (image);
 177         if (!entry) {
 178                 g_free (file_name);
 179                 MessageBox (NULL, L"Assembly doesn't have an entry point.", NULL, MB_ICONERROR);
 180                 mono_runtime_quit ();
 181                 ExitProcess (1);
 182         }
 183
 184         method = mono_get_method_checked (image, entry, NULL, NULL, &error);
 185         if (method == NULL) {
 186                 g_free (file_name);
 187                 mono_error_cleanup (&error); /* FIXME don't swallow the error */
 188                 MessageBox (NULL, L"The entry point method could not be loaded.", NULL, MB_ICONERROR);
 189                 mono_runtime_quit ();
 190                 ExitProcess (1);
 191         }
 192
 193         argvw = CommandLineToArgvW (GetCommandLine (), &argc);
 194         argv = g_new0 (gchar*, argc);
 195         argv [0] = file_name;
 196         for (i = 1; i < argc; ++i)
 197                 argv [i] = g_utf16_to_utf8 (argvw [i], -1, NULL, NULL, NULL);
 198         LocalFree (argvw);
 199
 200         mono_runtime_run_main_checked (method, argc, argv, &error);
 201         mono_error_raise_exception (&error); /* FIXME don't raise here */
 202         mono_thread_manage ();
 203
 204         mono_runtime_quit ();
 205
 206         /* return does not terminate the process. */
 207         ExitProcess (mono_environment_exitcode_get ());
 208 }
 209
 210 /* Called by msvcrt.dll when shutting down. */
 211 void STDMETHODCALLTYPE CorExitProcess(int exitCode)
 212 {
 213         /* FIXME: This is not currently supported by the runtime. */
 214 #if 0
 215         if (mono_get_root_domain () && !mono_runtime_is_shutting_down ()) {
 216                 mono_runtime_set_shutting_down ();
 217                 mono_thread_suspend_all_other_threads ();
 218                 mono_runtime_quit ();
 219         }
 220 #endif
 221         ExitProcess (exitCode);
 222 }
 223
 224 /* Called by ntdll.dll before _CorDllMain and _CorExeMain. */
 225 STDAPI _CorValidateImage(PVOID *ImageBase, LPCWSTR FileName)
 226 {
 227         IMAGE_DOS_HEADER* DosHeader;
 228         IMAGE_NT_HEADERS32* NtHeaders32;
 229         IMAGE_DATA_DIRECTORY* CliHeaderDir;
 230 #ifdef _WIN64
 231         IMAGE_NT_HEADERS64* NtHeaders64;
 232         MonoCLIHeader* CliHeader;
 233         DWORD SizeOfHeaders;
 234 #endif
 235         DWORD* Address;
 236         DWORD OldProtect;
 237
 238         DosHeader = (IMAGE_DOS_HEADER*)*ImageBase;
 239         if (DosHeader->e_magic != IMAGE_DOS_SIGNATURE)
 240                 return STATUS_INVALID_IMAGE_FORMAT;
 241
 242         NtHeaders32 = (IMAGE_NT_HEADERS32*)((DWORD_PTR)DosHeader + DosHeader->e_lfanew);
 243         if (NtHeaders32->Signature != IMAGE_NT_SIGNATURE)
 244                 return STATUS_INVALID_IMAGE_FORMAT;
 245
 246 #ifdef _WIN64
 247         NtHeaders64 = (IMAGE_NT_HEADERS64*)NtHeaders32;
 248         if (NtHeaders64->OptionalHeader.Magic == IMAGE_NT_OPTIONAL_HDR64_MAGIC)
 249         {
 250                 if (NtHeaders64->OptionalHeader.NumberOfRvaAndSizes <= IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR)
 251                         return STATUS_INVALID_IMAGE_FORMAT;
 252
 253                 CliHeaderDir = &NtHeaders64->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR];
 254                 if (!CliHeaderDir->VirtualAddress)
 255                         return STATUS_INVALID_IMAGE_FORMAT;
 256
 257                 CliHeader = (MonoCLIHeader*)((DWORD_PTR)DosHeader + CliHeaderDir->VirtualAddress);
 258                 if (CliHeader->ch_flags & CLI_FLAGS_32BITREQUIRED)
 259                         return STATUS_INVALID_IMAGE_FORMAT;
 260
 261                 if (CliHeader->ch_flags & CLI_FLAGS_ILONLY)
 262                 {
 263                         /* Avoid calling _CorDllMain because imports are not resolved for IL only images. */
 264                         if (NtHeaders64->OptionalHeader.AddressOfEntryPoint != 0)
 265                         {
 266                                 Address = &NtHeaders64->OptionalHeader.AddressOfEntryPoint;
 267                                 if (!VirtualProtect(Address, sizeof(DWORD), PAGE_READWRITE, &OldProtect))
 268                                         return E_UNEXPECTED;
 269                                 *Address = (DWORD)0;
 270                                 if (!VirtualProtect(Address, sizeof(DWORD), OldProtect, &OldProtect))
 271                                         return E_UNEXPECTED;
 272                         }
 273                 }
 274
 275                 return STATUS_SUCCESS;
 276         }
 277
 278         if (NtHeaders32->OptionalHeader.Magic != IMAGE_NT_OPTIONAL_HDR32_MAGIC)
 279                 return STATUS_INVALID_IMAGE_FORMAT;
 280
 281         if (NtHeaders32->OptionalHeader.NumberOfRvaAndSizes <= IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR)
 282                 return STATUS_INVALID_IMAGE_FORMAT;
 283
 284         CliHeaderDir = &NtHeaders32->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR];
 285         if (!CliHeaderDir->VirtualAddress)
 286                 return STATUS_INVALID_IMAGE_FORMAT;
 287
 288         CliHeader = (MonoCLIHeader*)((DWORD_PTR)DosHeader + CliHeaderDir->VirtualAddress);
 289         if (!(CliHeader->ch_flags & CLI_FLAGS_ILONLY) || (CliHeader->ch_flags & CLI_FLAGS_32BITREQUIRED))
 290                 return STATUS_INVALID_IMAGE_FORMAT;
 291
 292         /* Fixup IMAGE_NT_HEADERS32 to IMAGE_NT_HEADERS64. */
 293         SizeOfHeaders = NtHeaders32->OptionalHeader.SizeOfHeaders;
 294         if (SizeOfHeaders < DosHeader->e_lfanew + sizeof(IMAGE_NT_HEADERS64) + (sizeof(IMAGE_SECTION_HEADER) * NtHeaders32->FileHeader.NumberOfSections))
 295                 return STATUS_INVALID_IMAGE_FORMAT;
 296
 297         if (!VirtualProtect(DosHeader, SizeOfHeaders, PAGE_READWRITE, &OldProtect))
 298                 return E_UNEXPECTED;
 299
 300         memmove(NtHeaders64 + 1, IMAGE_FIRST_SECTION(NtHeaders32), sizeof(IMAGE_SECTION_HEADER) * NtHeaders32->FileHeader.NumberOfSections);
 301
 302         NtHeaders64->OptionalHeader.DataDirectory[IMAGE_NUMBEROF_DIRECTORY_ENTRIES - 1].Size = 0;
 303         NtHeaders64->OptionalHeader.DataDirectory[IMAGE_NUMBEROF_DIRECTORY_ENTRIES - 1].VirtualAddress = 0;
 304         NtHeaders64->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR].Size = NtHeaders32->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR].Size;
 305         NtHeaders64->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR].VirtualAddress = NtHeaders32->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR].VirtualAddress;
 306         NtHeaders64->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_DELAY_IMPORT].Size = 0;
 307         NtHeaders64->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_DELAY_IMPORT].VirtualAddress = 0;
 308         NtHeaders64->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_IAT].Size = 0;
 309         NtHeaders64->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_IAT].VirtualAddress = 0;
 310         NtHeaders64->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_BOUND_IMPORT].Size = 0;
 311         NtHeaders64->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_BOUND_IMPORT].VirtualAddress = 0;
 312         NtHeaders64->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_LOAD_CONFIG].Size = 0;
 313         NtHeaders64->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_LOAD_CONFIG].VirtualAddress = 0;
 314         NtHeaders64->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_TLS].Size = 0;
 315         NtHeaders64->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_TLS].VirtualAddress = 0;
 316         NtHeaders64->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_GLOBALPTR].Size = 0;
 317         NtHeaders64->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_GLOBALPTR].VirtualAddress = 0;
 318         NtHeaders64->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_ARCHITECTURE].Size = 0;
 319         NtHeaders64->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_ARCHITECTURE].VirtualAddress = 0;
 320         NtHeaders64->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_DEBUG].Size = NtHeaders32->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_DEBUG].Size;
 321         NtHeaders64->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_DEBUG].VirtualAddress = NtHeaders32->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_DEBUG].VirtualAddress;
 322         NtHeaders64->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_BASERELOC].Size = NtHeaders32->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_BASERELOC].Size;
 323         NtHeaders64->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_BASERELOC].VirtualAddress = NtHeaders32->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_BASERELOC].VirtualAddress;
 324         NtHeaders64->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_SECURITY].Size = NtHeaders32->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_SECURITY].Size;
 325         NtHeaders64->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_SECURITY].VirtualAddress = NtHeaders32->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_SECURITY].VirtualAddress;
 326         NtHeaders64->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_EXCEPTION].Size = 0;
 327         NtHeaders64->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_EXCEPTION].VirtualAddress = 0;
 328         NtHeaders64->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_RESOURCE].Size = NtHeaders32->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_RESOURCE].Size;
 329         NtHeaders64->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_RESOURCE].VirtualAddress = NtHeaders32->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_RESOURCE].VirtualAddress;
 330         NtHeaders64->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_IMPORT].Size = 0;
 331         NtHeaders64->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_IMPORT].VirtualAddress = 0;
 332         NtHeaders64->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_EXPORT].Size = 0;
 333         NtHeaders64->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_EXPORT].VirtualAddress = 0;
 334
 335         NtHeaders64->OptionalHeader.NumberOfRvaAndSizes = IMAGE_NUMBEROF_DIRECTORY_ENTRIES;
 336         NtHeaders64->OptionalHeader.LoaderFlags = NtHeaders32->OptionalHeader.LoaderFlags;
 337         NtHeaders64->OptionalHeader.SizeOfHeapCommit = (ULONGLONG)NtHeaders32->OptionalHeader.SizeOfHeapCommit;
 338         NtHeaders64->OptionalHeader.SizeOfHeapReserve = (ULONGLONG)NtHeaders32->OptionalHeader.SizeOfHeapReserve;
 339         NtHeaders64->OptionalHeader.SizeOfStackCommit = (ULONGLONG)NtHeaders32->OptionalHeader.SizeOfStackCommit;
 340         NtHeaders64->OptionalHeader.SizeOfStackReserve = (ULONGLONG)NtHeaders32->OptionalHeader.SizeOfStackReserve;
 341         NtHeaders64->OptionalHeader.DllCharacteristics = NtHeaders32->OptionalHeader.DllCharacteristics;
 342         NtHeaders64->OptionalHeader.Subsystem = NtHeaders32->OptionalHeader.Subsystem;
 343         NtHeaders64->OptionalHeader.CheckSum = NtHeaders32->OptionalHeader.CheckSum;
 344         NtHeaders64->OptionalHeader.SizeOfHeaders = NtHeaders32->OptionalHeader.SizeOfHeaders;
 345         NtHeaders64->OptionalHeader.SizeOfImage = NtHeaders32->OptionalHeader.SizeOfImage;
 346         NtHeaders64->OptionalHeader.Win32VersionValue = NtHeaders32->OptionalHeader.Win32VersionValue;
 347         NtHeaders64->OptionalHeader.MinorSubsystemVersion = NtHeaders32->OptionalHeader.MinorSubsystemVersion;
 348         NtHeaders64->OptionalHeader.MajorSubsystemVersion = NtHeaders32->OptionalHeader.MajorSubsystemVersion;
 349         NtHeaders64->OptionalHeader.MinorImageVersion = NtHeaders32->OptionalHeader.MinorImageVersion;
 350         NtHeaders64->OptionalHeader.MajorImageVersion = NtHeaders32->OptionalHeader.MajorImageVersion;
 351         NtHeaders64->OptionalHeader.MinorOperatingSystemVersion = NtHeaders32->OptionalHeader.MinorOperatingSystemVersion;
 352         NtHeaders64->OptionalHeader.MajorOperatingSystemVersion = NtHeaders32->OptionalHeader.MajorOperatingSystemVersion;
 353         NtHeaders64->OptionalHeader.FileAlignment = NtHeaders32->OptionalHeader.FileAlignment;
 354         NtHeaders64->OptionalHeader.SectionAlignment = NtHeaders32->OptionalHeader.SectionAlignment;
 355         NtHeaders64->OptionalHeader.ImageBase = (ULONGLONG)NtHeaders32->OptionalHeader.ImageBase;
 356         /* BaseOfCode is at the same offset. */
 357         NtHeaders64->OptionalHeader.AddressOfEntryPoint = 0;
 358         NtHeaders64->OptionalHeader.Magic = IMAGE_NT_OPTIONAL_HDR64_MAGIC;
 359         NtHeaders64->FileHeader.SizeOfOptionalHeader = sizeof(IMAGE_OPTIONAL_HEADER64);
 360
 361         if (!VirtualProtect(DosHeader, SizeOfHeaders, OldProtect, &OldProtect))
 362                 return E_UNEXPECTED;
 363 #else
 364         if (NtHeaders32->OptionalHeader.Magic != IMAGE_NT_OPTIONAL_HDR32_MAGIC)
 365                 return STATUS_INVALID_IMAGE_FORMAT;
 366
 367         if (NtHeaders32->OptionalHeader.NumberOfRvaAndSizes <= IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR)
 368                 return STATUS_INVALID_IMAGE_FORMAT;
 369
 370         CliHeaderDir = &NtHeaders32->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR];
 371         if (!CliHeaderDir->VirtualAddress)
 372                 return STATUS_INVALID_IMAGE_FORMAT;
 373
 374         Address = &NtHeaders32->OptionalHeader.AddressOfEntryPoint;
 375         if (!VirtualProtect(Address, sizeof(DWORD), PAGE_READWRITE, &OldProtect))
 376                 return E_UNEXPECTED;
 377         if (NtHeaders32->FileHeader.Characteristics & IMAGE_FILE_DLL)
 378                 *Address = (DWORD)((DWORD_PTR)&_CorDllMain - (DWORD_PTR)DosHeader);
 379         else
 380                 *Address = (DWORD)((DWORD_PTR)&_CorExeMain - (DWORD_PTR)DosHeader);
 381         if (!VirtualProtect(Address, sizeof(DWORD), OldProtect, &OldProtect))
 382                 return E_UNEXPECTED;
 383 #endif
 384
 385         return STATUS_SUCCESS;
 386 }
 387
 388 /* Called by ntdll.dll. */
 389 STDAPI_(VOID) _CorImageUnloading(PVOID ImageBase)
 390 {
 391         /* Nothing to do. */
 392 }
 393
 394 STDAPI CorBindToRuntimeEx(LPCWSTR pwszVersion, LPCWSTR pwszBuildFlavor, DWORD startupFlags, REFCLSID rclsid, REFIID riid, LPVOID FAR *ppv)
 395 {
 396         if (ppv == NULL)
 397                 return E_POINTER;
 398
 399         *ppv = NULL;
 400         return E_NOTIMPL;
 401 }
 402
 403 STDAPI CorBindToRuntime(LPCWSTR pwszVersion, LPCWSTR pwszBuildFlavor, REFCLSID rclsid, REFIID riid, LPVOID FAR *ppv)
 404 {
 405         return CorBindToRuntimeEx (pwszVersion, pwszBuildFlavor, 0, rclsid, riid, ppv);
 406 }
 407
 408 HMODULE WINAPI MonoLoadImage(LPCWSTR FileName)
 409 {
 410         HANDLE FileHandle;
 411         DWORD FileSize;
 412         HANDLE MapHandle;
 413         IMAGE_DOS_HEADER* DosHeader;
 414         IMAGE_NT_HEADERS32* NtHeaders32;
 415 #ifdef _WIN64
 416         IMAGE_NT_HEADERS64* NtHeaders64;
 417 #endif
 418         HMODULE ModuleHandle;
 419
 420         FileHandle = CreateFile(FileName, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, NULL);
 421         if (FileHandle == INVALID_HANDLE_VALUE)
 422                 return NULL;
 423
 424         FileSize = GetFileSize(FileHandle, NULL);
 425         if (FileSize == INVALID_FILE_SIZE)
 426                 goto CloseFile;
 427
 428         MapHandle = CreateFileMapping(FileHandle, NULL, PAGE_READONLY, 0, 0, NULL);
 429         if (MapHandle == NULL)
 430                 goto CloseFile;
 431
 432         DosHeader = (IMAGE_DOS_HEADER*)MapViewOfFile(MapHandle, FILE_MAP_READ, 0, 0, 0);
 433         if (DosHeader == NULL)
 434                 goto CloseMap;
 435
 436         if (FileSize < sizeof(IMAGE_DOS_HEADER) || DosHeader->e_magic != IMAGE_DOS_SIGNATURE || FileSize < DosHeader->e_lfanew + sizeof(IMAGE_NT_HEADERS32))
 437                 goto InvalidImageFormat;
 438
 439         NtHeaders32 = (IMAGE_NT_HEADERS32*)((DWORD_PTR)DosHeader + DosHeader->e_lfanew);
 440         if (NtHeaders32->Signature != IMAGE_NT_SIGNATURE)
 441                 goto InvalidImageFormat;
 442
 443 #ifdef _WIN64
 444         NtHeaders64 = (IMAGE_NT_HEADERS64*)NtHeaders32;
 445         if (NtHeaders64->OptionalHeader.Magic == IMAGE_NT_OPTIONAL_HDR64_MAGIC)
 446         {
 447                 if (FileSize < DosHeader->e_lfanew + sizeof(IMAGE_NT_HEADERS64) ||
 448                         NtHeaders64->OptionalHeader.NumberOfRvaAndSizes <= IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR ||
 449                         !NtHeaders64->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR].VirtualAddress)
 450                                 goto InvalidImageFormat;
 451
 452                 goto ValidImage;
 453         }
 454 #endif
 455
 456         if (NtHeaders32->OptionalHeader.Magic != IMAGE_NT_OPTIONAL_HDR32_MAGIC ||
 457                 NtHeaders32->OptionalHeader.NumberOfRvaAndSizes <= IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR ||
 458                 !NtHeaders32->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR].VirtualAddress)
 459         {
 460 InvalidImageFormat:
 461                 SetLastError(STATUS_INVALID_IMAGE_FORMAT);
 462                 goto UnmapView;
 463         }
 464
 465 #ifdef _WIN64
 466 ValidImage:
 467 #endif
 468         UnmapViewOfFile(DosHeader);
 469         CloseHandle(MapHandle);
 470
 471         ModuleHandle = LoadLibrary(FileName);
 472
 473         CloseHandle(FileHandle);
 474         return ModuleHandle;
 475
 476 UnmapView:
 477         UnmapViewOfFile(DosHeader);
 478 CloseMap:
 479         CloseHandle(MapHandle);
 480 CloseFile:
 481         CloseHandle(FileHandle);
 482         return NULL;
 483 }
 484
 485 typedef struct _EXPORT_FIXUP
 486 {
 487         LPCSTR Name;
 488         union
 489         {
 490                 PVOID Pointer;
 491                 DWORD_PTR DWordPtr;
 492                 BYTE Bytes[sizeof(PVOID)];
 493 #ifdef _M_IA64
 494                 PLABEL_DESCRIPTOR* PLabel;
 495 #endif
 496         } ProcAddress;
 497 } EXPORT_FIXUP;
 498
 499 /* Has to be binary ordered. */
 500 static const EXPORT_FIXUP ExportFixups[] = {
 501         {"CorBindToRuntime", &CorBindToRuntime},
 502         {"CorBindToRuntimeEx", &CorBindToRuntimeEx},
 503         {"CorExitProcess", &CorExitProcess},
 504         {"_CorDllMain", &_CorDllMain},
 505         {"_CorExeMain", &_CorExeMain},
 506         {"_CorImageUnloading", &_CorImageUnloading},
 507         {"_CorValidateImage", &_CorValidateImage},
 508         {NULL, NULL}
 509 };
 510
 511 #define EXPORT_FIXUP_COUNT (sizeof(ExportFixups) / sizeof(EXPORT_FIXUP) - 1)
 512
 513 static HMODULE ExportFixupModuleHandle = NULL;
 514 static DWORD ExportFixupRvas[EXPORT_FIXUP_COUNT];
 515
 516 /* Fixup exported functions of mscoree.dll to our implementations. */
 517 STDAPI MonoFixupCorEE(HMODULE ModuleHandle)
 518 {
 519         IMAGE_DOS_HEADER* DosHeader;
 520         IMAGE_NT_HEADERS* NtHeaders;
 521         IMAGE_DATA_DIRECTORY* ExportDataDir;
 522         IMAGE_EXPORT_DIRECTORY* ExportDir;
 523         DWORD* Functions;
 524         DWORD* Names;
 525         WORD* NameOrdinals;
 526         EXPORT_FIXUP* ExportFixup;
 527         DWORD* ExportFixupRva;
 528         DWORD* Address;
 529         DWORD OldProtect;
 530         DWORD ProcRva;
 531         DWORD i;
 532         int cmp;
 533 #ifdef _WIN64
 534         MEMORY_BASIC_INFORMATION MemoryInfo;
 535         PVOID Region;
 536         PVOID RegionBase;
 537         PVOID MaxRegionBase;
 538 #ifdef _M_IA64
 539         PLABEL_DESCRIPTOR* PLabel;
 540
 541 #define ELEMENT_SIZE sizeof(PLABEL_DESCRIPTOR)
 542 #define REGION_WRITE_PROTECT PAGE_READWRITE
 543 #define REGION_PROTECT PAGE_READ
 544 #else
 545         BYTE* Trampoline;
 546
 547 #define ELEMENT_SIZE 13
 548 #define REGION_WRITE_PROTECT PAGE_EXECUTE_READWRITE
 549 #define REGION_PROTECT PAGE_EXECUTE_READ
 550 #endif
 551 #endif
 552
 553         if (ExportFixupModuleHandle != NULL)
 554                 return ModuleHandle == ExportFixupModuleHandle ? S_OK : E_FAIL;
 555
 556         DosHeader = (IMAGE_DOS_HEADER*)ModuleHandle;
 557         if (DosHeader == NULL)
 558                 return E_POINTER;
 559
 560         if (DosHeader->e_magic != IMAGE_DOS_SIGNATURE)
 561                 return E_INVALIDARG;
 562
 563         NtHeaders = (IMAGE_NT_HEADERS*)((DWORD_PTR)DosHeader + DosHeader->e_lfanew);
 564         if (NtHeaders->Signature != IMAGE_NT_SIGNATURE)
 565                 return E_INVALIDARG;
 566
 567         if (NtHeaders->OptionalHeader.Magic != IMAGE_NT_OPTIONAL_HDR_MAGIC)
 568                 return E_INVALIDARG;
 569
 570         if (NtHeaders->OptionalHeader.NumberOfRvaAndSizes <= IMAGE_DIRECTORY_ENTRY_EXPORT)
 571                 return E_FAIL;
 572
 573         ExportDataDir = &NtHeaders->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_EXPORT];
 574         if (!ExportDataDir->VirtualAddress)
 575                 return E_FAIL;
 576
 577 #ifdef _WIN64
 578         /* Allocate memory after base address because RVAs are 32-bit unsigned integers. */
 579         RegionBase = DosHeader;
 580         MaxRegionBase = (PVOID)((DWORD_PTR)RegionBase + (DWORD_PTR)(0x100000000L - (ELEMENT_SIZE * (EXPORT_FIXUP_COUNT - 1))));
 581         for (;;)
 582         {
 583                 if (!VirtualQuery(RegionBase, &MemoryInfo, sizeof(MEMORY_BASIC_INFORMATION)))
 584                         return E_UNEXPECTED;
 585                 if (MemoryInfo.State == MEM_FREE && MemoryInfo.RegionSize >= ELEMENT_SIZE * EXPORT_FIXUP_COUNT)
 586                 {
 587                         Region = VirtualAlloc(RegionBase, ELEMENT_SIZE * EXPORT_FIXUP_COUNT, MEM_COMMIT | MEM_RESERVE, REGION_WRITE_PROTECT);
 588                         if (Region != NULL)
 589                                 break;
 590                 }
 591                 RegionBase = (PVOID)((DWORD_PTR)MemoryInfo.BaseAddress + (DWORD_PTR)MemoryInfo.RegionSize);
 592                 if (RegionBase > MaxRegionBase)
 593                         return E_OUTOFMEMORY;
 594         }
 595
 596 #ifdef _M_IA64
 597         PLabel = (PLABEL_DESCRIPTOR*)Region;
 598 #else
 599         Trampoline = (BYTE*)Region;
 600 #endif
 601 #endif
 602
 603         ExportDir = (IMAGE_EXPORT_DIRECTORY*)((DWORD_PTR)DosHeader + ExportDataDir->VirtualAddress);
 604         Functions = (DWORD*)((DWORD_PTR)DosHeader + ExportDir->AddressOfFunctions);
 605         Names = (DWORD*)((DWORD_PTR)DosHeader + ExportDir->AddressOfNames);
 606         NameOrdinals = (WORD*)((DWORD_PTR)DosHeader + ExportDir->AddressOfNameOrdinals);
 607         ExportFixup = (EXPORT_FIXUP*)&ExportFixups;
 608         ExportFixupRva = (DWORD*)&ExportFixupRvas;
 609
 610         for (i = 0; i < ExportDir->NumberOfNames; i++)
 611         {
 612                 cmp = strcmp((LPCSTR)((DWORD_PTR)DosHeader + Names[i]), ExportFixup->Name);
 613                 if (cmp > 0)
 614                         return E_FAIL;
 615
 616                 if (cmp == 0)
 617                 {
 618 #ifdef _WIN64
 619 #if defined(_M_IA64)
 620                         ProcRva = (DWORD)((DWORD_PTR)PLabel - (DWORD_PTR)DosHeader);
 621                         *(PLabel)++ = *ExportFixup->ProcAddress.PLabel;
 622 #elif defined(_M_AMD64)
 623                         ProcRva = (DWORD)((DWORD_PTR)Trampoline - (DWORD_PTR)DosHeader);
 624                         /* mov r11, ExportFixup->ProcAddress */
 625                         *(Trampoline)++ = 0x49;
 626                         *(Trampoline)++ = 0xBB;
 627                         *(Trampoline)++ = ExportFixup->ProcAddress.Bytes[0];
 628                         *(Trampoline)++ = ExportFixup->ProcAddress.Bytes[1];
 629                         *(Trampoline)++ = ExportFixup->ProcAddress.Bytes[2];
 630                         *(Trampoline)++ = ExportFixup->ProcAddress.Bytes[3];
 631                         *(Trampoline)++ = ExportFixup->ProcAddress.Bytes[4];
 632                         *(Trampoline)++ = ExportFixup->ProcAddress.Bytes[5];
 633                         *(Trampoline)++ = ExportFixup->ProcAddress.Bytes[6];
 634                         *(Trampoline)++ = ExportFixup->ProcAddress.Bytes[7];
 635                         /* jmp r11 */
 636                         *(Trampoline)++ = 0x41;
 637                         *(Trampoline)++ = 0xFF;
 638                         *(Trampoline)++ = 0xE3;
 639 #else
 640 #error Unsupported architecture.
 641 #endif
 642 #else
 643                         ProcRva = (DWORD)(ExportFixup->ProcAddress.DWordPtr - (DWORD_PTR)DosHeader);
 644 #endif
 645                         Address = &Functions[NameOrdinals[i]];
 646                         if (!VirtualProtect(Address, sizeof(DWORD), PAGE_READWRITE, &OldProtect))
 647                                 return E_UNEXPECTED;
 648                         *ExportFixupRva = *Address;
 649                         *Address = ProcRva;
 650                         if (!VirtualProtect(Address, sizeof(DWORD), OldProtect, &OldProtect))
 651                                 return E_UNEXPECTED;
 652                         ExportFixup++;
 653                         if (ExportFixup->Name == NULL) {
 654 #ifdef _WIN64
 655                                 if (!VirtualProtect(Region, ELEMENT_SIZE * EXPORT_FIXUP_COUNT, REGION_PROTECT, &OldProtect))
 656                                         return E_UNEXPECTED;
 657 #endif
 658
 659                                 ExportFixupModuleHandle = ModuleHandle;
 660                                 return S_OK;
 661                         }
 662                         ExportFixupRva++;
 663                 }
 664         }
 665         return E_FAIL;
 666 }
 667
 668 /* Executable images are only mapped by the OS loader. We need to do fixups for native code support. */
 669 STDAPI MonoFixupExe(HMODULE ModuleHandle)
 670 {
 671         IMAGE_DOS_HEADER* DosHeader;
 672         IMAGE_NT_HEADERS* NtHeaders;
 673         DWORD_PTR* Address;
 674         DWORD OldProtect;
 675         DWORD_PTR BaseDiff;
 676
 677         DosHeader = (IMAGE_DOS_HEADER*)ModuleHandle;
 678         if (DosHeader == NULL)
 679                 return E_POINTER;
 680
 681         if (DosHeader->e_magic != IMAGE_DOS_SIGNATURE)
 682                 return E_INVALIDARG;
 683
 684         NtHeaders = (IMAGE_NT_HEADERS*)((DWORD_PTR)DosHeader + DosHeader->e_lfanew);
 685         if (NtHeaders->Signature != IMAGE_NT_SIGNATURE)
 686                 return E_INVALIDARG;
 687
 688         if (NtHeaders->OptionalHeader.Magic != IMAGE_NT_OPTIONAL_HDR_MAGIC)
 689                 return E_INVALIDARG;
 690
 691         if (NtHeaders->FileHeader.Characteristics & IMAGE_FILE_DLL)
 692                 return S_OK;
 693
 694         if (NtHeaders->OptionalHeader.NumberOfRvaAndSizes > IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR)
 695         {
 696                 IMAGE_DATA_DIRECTORY* CliHeaderDir;
 697                 MonoCLIHeader* CliHeader;
 698
 699                 CliHeaderDir = &NtHeaders->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR];
 700                 if (CliHeaderDir->VirtualAddress)
 701                 {
 702                         CliHeader = (MonoCLIHeader*)((DWORD_PTR)DosHeader + CliHeaderDir->VirtualAddress);
 703                         if (CliHeader->ch_flags & CLI_FLAGS_ILONLY)
 704                                 return S_OK;
 705                 }
 706         }
 707
 708         BaseDiff = (DWORD_PTR)DosHeader - NtHeaders->OptionalHeader.ImageBase;
 709         if (BaseDiff != 0)
 710         {
 711                 if (NtHeaders->FileHeader.Characteristics & IMAGE_FILE_RELOCS_STRIPPED)
 712                         return E_FAIL;
 713
 714                 Address = &NtHeaders->OptionalHeader.ImageBase;
 715                 if (!VirtualProtect(Address, sizeof(DWORD_PTR), PAGE_READWRITE, &OldProtect))
 716                         return E_UNEXPECTED;
 717                 *Address = (DWORD_PTR)DosHeader;
 718                 if (!VirtualProtect(Address, sizeof(DWORD_PTR), OldProtect, &OldProtect))
 719                         return E_UNEXPECTED;
 720
 721                 if (NtHeaders->OptionalHeader.NumberOfRvaAndSizes > IMAGE_DIRECTORY_ENTRY_BASERELOC)
 722                 {
 723                         IMAGE_DATA_DIRECTORY* BaseRelocDir;
 724                         IMAGE_BASE_RELOCATION* BaseReloc;
 725                         USHORT* RelocBlock;
 726                         ULONG BaseRelocSize;
 727                         ULONG RelocBlockSize;
 728                         USHORT RelocOffset;
 729                         DWORD_PTR UNALIGNED *RelocFixup;
 730
 731                         BaseRelocDir = &NtHeaders->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_BASERELOC];
 732                         if (BaseRelocDir->VirtualAddress)
 733                         {
 734                                 BaseReloc = (IMAGE_BASE_RELOCATION*)((DWORD_PTR)DosHeader + BaseRelocDir->VirtualAddress);
 735                                 BaseRelocSize = BaseRelocDir->Size;
 736
 737                                 while (BaseRelocSize)
 738                                 {
 739                                         RelocBlockSize = BaseReloc->SizeOfBlock;
 740
 741                                         if (!RelocBlockSize || BaseRelocSize < RelocBlockSize)
 742                                                 return E_FAIL;
 743
 744                                         BaseRelocSize -= RelocBlockSize;
 745                                         RelocBlock = (USHORT*)((DWORD_PTR)BaseReloc + sizeof(IMAGE_BASE_RELOCATION));
 746                                         RelocBlockSize -= sizeof(IMAGE_BASE_RELOCATION);
 747                                         RelocBlockSize /= sizeof(USHORT);
 748
 749                                         while (RelocBlockSize-- != 0)
 750                                         {
 751                                                 RelocOffset = *RelocBlock & (USHORT)0x0fff;
 752                                                 RelocFixup = (DWORD_PTR*)((DWORD_PTR)DosHeader + BaseReloc->VirtualAddress + RelocOffset);
 753
 754                                                 switch (*RelocBlock >> 12)
 755                                                 {
 756                                                         case IMAGE_REL_BASED_ABSOLUTE:
 757                                                                 break;
 758
 759 #ifdef _WIN64
 760                                                         case IMAGE_REL_BASED_DIR64:
 761 #else
 762                                                         case IMAGE_REL_BASED_HIGHLOW:
 763 #endif
 764                                                                 if (!VirtualProtect(RelocFixup, sizeof(DWORD_PTR), PAGE_EXECUTE_READWRITE, &OldProtect))
 765                                                                         return E_UNEXPECTED;
 766                                                                 *RelocFixup += BaseDiff;
 767                                                                 if (!VirtualProtect(RelocFixup, sizeof(DWORD_PTR), OldProtect, &OldProtect))
 768                                                                         return E_UNEXPECTED;
 769                                                                 break;
 770
 771                                                         default:
 772                                                                 return E_FAIL;
 773                                                 }
 774
 775                                                 RelocBlock++;
 776                                         }
 777                                         BaseReloc = (IMAGE_BASE_RELOCATION*)RelocBlock;
 778                                 }
 779                         }
 780                 }
 781         }
 782
 783         if (NtHeaders->OptionalHeader.NumberOfRvaAndSizes > IMAGE_DIRECTORY_ENTRY_IMPORT)
 784         {
 785                 IMAGE_DATA_DIRECTORY* ImportDir;
 786                 IMAGE_IMPORT_DESCRIPTOR* ImportDesc;
 787                 HMODULE ImportModuleHandle;
 788                 IMAGE_THUNK_DATA* ImportThunkData;
 789                 DWORD_PTR ProcAddress;
 790
 791                 ImportDir = &NtHeaders->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_IMPORT];
 792                 if (ImportDir->VirtualAddress != 0)
 793                 {
 794                         ImportDesc = (IMAGE_IMPORT_DESCRIPTOR*)((DWORD_PTR)DosHeader + ImportDir->VirtualAddress);
 795                         while (ImportDesc->Name && ImportDesc->OriginalFirstThunk)
 796                         {
 797                                 ImportModuleHandle = LoadLibraryA((PCSTR)((DWORD_PTR)DosHeader + ImportDesc->Name));
 798                                 if (ImportModuleHandle == NULL)
 799                                         return E_FAIL;
 800
 801                                 ImportThunkData = (IMAGE_THUNK_DATA*)((DWORD_PTR)DosHeader + ImportDesc->OriginalFirstThunk);
 802                                 while (ImportThunkData->u1.Ordinal != 0)
 803                                 {
 804                                         if (IMAGE_SNAP_BY_ORDINAL(ImportThunkData->u1.Ordinal))
 805                                                 ProcAddress = (DWORD_PTR)GetProcAddress(ImportModuleHandle, (LPCSTR)IMAGE_ORDINAL(ImportThunkData->u1.Ordinal));
 806                                         else
 807                                         {
 808                                                 IMAGE_IMPORT_BY_NAME* ImportByName = (IMAGE_IMPORT_BY_NAME*)((DWORD_PTR)DosHeader + ImportThunkData->u1.AddressOfData);
 809                                                 ProcAddress = (DWORD_PTR)GetProcAddress(ImportModuleHandle, ImportByName->Name);
 810                                         }
 811                                         if (ProcAddress == 0)
 812                                                 return E_FAIL;
 813                                         Address = (DWORD_PTR*)((DWORD_PTR)ImportThunkData - ImportDesc->OriginalFirstThunk + ImportDesc->FirstThunk);
 814                                         if (!VirtualProtect(Address, sizeof(DWORD_PTR), PAGE_READWRITE, &OldProtect))
 815                                                 return E_UNEXPECTED;
 816                                         *Address = ProcAddress;
 817                                         if (!VirtualProtect(Address, sizeof(DWORD_PTR), OldProtect, &OldProtect))
 818                                                 return E_UNEXPECTED;
 819                                         ImportThunkData++;
 820                                 }
 821
 822                                 ImportDesc++;
 823                         }
 824                 }
 825         }
 826
 827         return S_OK;
 828 }
 829
 830 static void
 831 mono_set_act_ctx (const char* file_name)
 832 {
 833         typedef HANDLE (WINAPI* CREATEACTCTXW_PROC) (PCACTCTXW pActCtx);
 834         typedef BOOL (WINAPI* ACTIVATEACTCTX_PROC) (HANDLE hActCtx, ULONG_PTR* lpCookie);
 835
 836         HMODULE kernel32_handle;
 837         CREATEACTCTXW_PROC CreateActCtx_proc;
 838         ACTIVATEACTCTX_PROC ActivateActCtx_proc;
 839         gchar* full_path;
 840         gunichar2* full_path_utf16;
 841         gchar* dir_name;
 842         gunichar2* dir_name_utf16;
 843         gchar* base_name;
 844         gunichar2* base_name_utf16;
 845         ACTCTX act_ctx;
 846         HANDLE handle;
 847         ULONG_PTR cookie;
 848
 849         kernel32_handle = GetModuleHandle (L"kernel32.dll");
 850         if (!kernel32_handle)
 851                 return;
 852         CreateActCtx_proc = (CREATEACTCTXW_PROC) GetProcAddress (kernel32_handle, "CreateActCtxW");
 853         if (!CreateActCtx_proc)
 854                 return;
 855         ActivateActCtx_proc = (ACTIVATEACTCTX_PROC) GetProcAddress (kernel32_handle, "ActivateActCtx");
 856         if (!ActivateActCtx_proc)
 857                 return;
 858
 859         full_path = mono_path_canonicalize (file_name);
 860         full_path_utf16 = g_utf8_to_utf16 (full_path, -1, NULL, NULL, NULL);
 861         dir_name = g_path_get_dirname (full_path);
 862         dir_name_utf16 = g_utf8_to_utf16 (dir_name, -1, NULL, NULL, NULL);
 863         base_name = g_path_get_basename (full_path);
 864         base_name_utf16 = g_utf8_to_utf16 (base_name, -1, NULL, NULL, NULL);
 865         g_free (base_name);
 866         g_free (dir_name);
 867         g_free (full_path);
 868
 869         memset (&act_ctx, 0, sizeof (ACTCTX));
 870         act_ctx.cbSize = sizeof (ACTCTX);
 871         act_ctx.dwFlags = ACTCTX_FLAG_SET_PROCESS_DEFAULT | ACTCTX_FLAG_ASSEMBLY_DIRECTORY_VALID | ACTCTX_FLAG_RESOURCE_NAME_VALID | ACTCTX_FLAG_APPLICATION_NAME_VALID;
 872         act_ctx.lpSource = full_path_utf16;
 873         act_ctx.lpAssemblyDirectory = dir_name_utf16;
 874         act_ctx.lpResourceName = MAKEINTRESOURCE (CREATEPROCESS_MANIFEST_RESOURCE_ID);
 875         act_ctx.lpApplicationName = base_name_utf16;
 876
 877         handle = CreateActCtx_proc (&act_ctx);
 878         if (handle == INVALID_HANDLE_VALUE && GetLastError () == ERROR_SXS_PROCESS_DEFAULT_ALREADY_SET) {
 879                 act_ctx.dwFlags &= ~ACTCTX_FLAG_SET_PROCESS_DEFAULT;
 880                 handle = CreateActCtx_proc (&act_ctx);
 881         }
 882
 883         g_free (base_name_utf16);
 884         g_free (dir_name_utf16);
 885         g_free (full_path_utf16);
 886
 887         if (handle != INVALID_HANDLE_VALUE)
 888                 ActivateActCtx_proc (handle, &cookie);
 889 }
 890
 891 void
 892 mono_load_coree (const char* exe_file_name)
 893 {
 894         HMODULE module_handle;
 895         gunichar2* file_name;
 896         UINT required_size;
 897         UINT size;
 898
 899         if (coree_module_handle)
 900                 return;
 901
 902         if (!init_from_coree && exe_file_name)
 903                 mono_set_act_ctx (exe_file_name);
 904
 905         /* ntdll.dll loads mscoree.dll from the system32 directory. */
 906         required_size = GetSystemDirectory (NULL, 0);
 907         file_name = g_new (gunichar2, required_size + 12);
 908         size = GetSystemDirectory (file_name, required_size);
 909         g_assert (size < required_size);
 910         if (file_name [size - 1] != L'\\')
 911                 file_name [size++] = L'\\';
 912         memcpy (&file_name [size], L"mscoree.dll", 12 * sizeof (gunichar2));
 913
 914         module_handle = LoadLibrary (file_name);
 915         g_free (file_name);
 916
 917         if (module_handle && !SUCCEEDED (MonoFixupCorEE (module_handle))) {
 918                 FreeLibrary (module_handle);
 919                 module_handle = NULL;
 920         }
 921
 922         coree_module_handle = module_handle;
 923 }
 924
 925 void
 926 mono_fixup_exe_image (MonoImage* image)
 927 {
 928         if (!init_from_coree && image && image->is_module_handle)
 929                 MonoFixupExe ((HMODULE) image->raw_data);
 930 }
 931
 932 #endif /* HOST_WIN32 */