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