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