4 * Copyright 1995, 2003 Alexandre Julliard
5 * Copyright 2002 Dmitry Timoshkov for CodeWeavers
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 #include "wine/port.h"
28 #define NONAMELESSUNION
29 #define NONAMELESSSTRUCT
38 #include "wine/exception.h"
40 #include "wine/library.h"
41 #include "wine/unicode.h"
42 #include "wine/debug.h"
43 #include "wine/server.h"
44 #include "ntdll_misc.h"
46 WINE_DEFAULT_DEBUG_CHANNEL(module);
47 WINE_DECLARE_DEBUG_CHANNEL(relay);
48 WINE_DECLARE_DEBUG_CHANNEL(snoop);
49 WINE_DECLARE_DEBUG_CHANNEL(loaddll);
50 WINE_DECLARE_DEBUG_CHANNEL(imports);
52 typedef DWORD (CALLBACK *DLLENTRYPROC)(HMODULE,DWORD,LPVOID);
54 static int process_detaching = 0; /* set on process detach to avoid deadlocks with thread detach */
55 static int free_lib_count; /* recursion depth of LdrUnloadDll calls */
57 /* filter for page-fault exceptions */
58 static WINE_EXCEPTION_FILTER(page_fault)
60 if (GetExceptionCode() == EXCEPTION_ACCESS_VIOLATION)
61 return EXCEPTION_EXECUTE_HANDLER;
62 return EXCEPTION_CONTINUE_SEARCH;
65 static const char * const reason_names[] =
73 static const WCHAR dllW[] = {'.','d','l','l',0};
75 /* internal representation of 32bit modules. per process. */
76 typedef struct _wine_modref
80 struct _wine_modref **deps;
83 /* info about the current builtin dll load */
84 /* used to keep track of things across the register_dll constructor call */
85 struct builtin_load_info
87 const WCHAR *load_path;
92 static struct builtin_load_info default_load_info;
93 static struct builtin_load_info *builtin_load_info = &default_load_info;
95 static UINT tls_module_count; /* number of modules with TLS directory */
96 static UINT tls_total_size; /* total size of TLS storage */
97 static const IMAGE_TLS_DIRECTORY **tls_dirs; /* array of TLS directories */
99 UNICODE_STRING system_dir = { 0, 0, NULL }; /* system directory */
101 static CRITICAL_SECTION loader_section;
102 static CRITICAL_SECTION_DEBUG critsect_debug =
104 0, 0, &loader_section,
105 { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
106 0, 0, { 0, (DWORD)(__FILE__ ": loader_section") }
108 static CRITICAL_SECTION loader_section = { &critsect_debug, -1, 0, 0, 0, 0 };
110 static WINE_MODREF *cached_modref;
111 static WINE_MODREF *current_modref;
112 static WINE_MODREF *last_failed_modref;
114 static NTSTATUS load_dll( LPCWSTR load_path, LPCWSTR libname, DWORD flags, WINE_MODREF** pwm );
115 static FARPROC find_named_export( HMODULE module, const IMAGE_EXPORT_DIRECTORY *exports,
116 DWORD exp_size, const char *name, int hint );
118 /* convert PE image VirtualAddress to Real Address */
119 inline static void *get_rva( HMODULE module, DWORD va )
121 return (void *)((char *)module + va);
124 /* check whether the file name contains a path */
125 inline static int contains_path( LPCWSTR name )
127 return ((*name && (name[1] == ':')) || strchrW(name, '/') || strchrW(name, '\\'));
130 /* convert from straight ASCII to Unicode without depending on the current codepage */
131 inline static void ascii_to_unicode( WCHAR *dst, const char *src, size_t len )
133 while (len--) *dst++ = (unsigned char)*src++;
137 /*************************************************************************
138 * call_dll_entry_point
140 * Some brain-damaged dlls (ir32_32.dll for instance) modify ebx in
141 * their entry point, so we need a small asm wrapper.
144 extern BOOL call_dll_entry_point( DLLENTRYPROC proc, void *module, UINT reason, void *reserved );
145 __ASM_GLOBAL_FUNC(call_dll_entry_point,
152 "movl 8(%ebp),%eax\n\t"
154 "leal -4(%ebp),%esp\n\t"
159 static inline BOOL call_dll_entry_point( DLLENTRYPROC proc, void *module,
160 UINT reason, void *reserved )
162 return proc( module, reason, reserved );
164 #endif /* __i386__ */
168 /*************************************************************************
171 * Entry point for stub functions.
173 static void stub_entry_point( const char *dll, const char *name, ... )
175 EXCEPTION_RECORD rec;
177 rec.ExceptionCode = EXCEPTION_WINE_STUB;
178 rec.ExceptionFlags = EH_NONCONTINUABLE;
179 rec.ExceptionRecord = NULL;
181 rec.ExceptionAddress = __builtin_return_address(0);
183 rec.ExceptionAddress = *((void **)&dll - 1);
185 rec.NumberParameters = 2;
186 rec.ExceptionInformation[0] = (ULONG_PTR)dll;
187 rec.ExceptionInformation[1] = (ULONG_PTR)name;
188 for (;;) RtlRaiseException( &rec );
192 #include "pshpack1.h"
195 BYTE popl_eax; /* popl %eax */
196 BYTE pushl1; /* pushl $name */
198 BYTE pushl2; /* pushl $dll */
200 BYTE pushl_eax; /* pushl %eax */
201 BYTE jmp; /* jmp stub_entry_point */
206 /*************************************************************************
209 * Allocate a stub entry point.
211 static void *allocate_stub( const char *dll, const char *name )
213 #define MAX_SIZE 65536
214 static struct stub *stubs;
215 static unsigned int nb_stubs;
218 if (nb_stubs >= MAX_SIZE / sizeof(*stub)) return (void *)0xdeadbeef;
222 ULONG size = MAX_SIZE;
223 if (NtAllocateVirtualMemory( NtCurrentProcess(), (void **)&stubs, 0, &size,
224 MEM_COMMIT, PAGE_EXECUTE_WRITECOPY ) != STATUS_SUCCESS)
225 return (void *)0xdeadbeef;
227 stub = &stubs[nb_stubs++];
228 stub->popl_eax = 0x58; /* popl %eax */
229 stub->pushl1 = 0x68; /* pushl $name */
231 stub->pushl2 = 0x68; /* pushl $dll */
233 stub->pushl_eax = 0x50; /* pushl %eax */
234 stub->jmp = 0xe9; /* jmp stub_entry_point */
235 stub->entry = (BYTE *)stub_entry_point - (BYTE *)(&stub->entry + 1);
240 static inline void *allocate_stub( const char *dll, const char *name ) { return (void *)0xdeadbeef; }
241 #endif /* __i386__ */
244 /*************************************************************************
247 * Looks for the referenced HMODULE in the current process
248 * The loader_section must be locked while calling this function.
250 static WINE_MODREF *get_modref( HMODULE hmod )
252 PLIST_ENTRY mark, entry;
255 if (cached_modref && cached_modref->ldr.BaseAddress == hmod) return cached_modref;
257 mark = &NtCurrentTeb()->Peb->LdrData->InMemoryOrderModuleList;
258 for (entry = mark->Flink; entry != mark; entry = entry->Flink)
260 mod = CONTAINING_RECORD(entry, LDR_MODULE, InMemoryOrderModuleList);
261 if (mod->BaseAddress == hmod)
262 return cached_modref = CONTAINING_RECORD(mod, WINE_MODREF, ldr);
263 if (mod->BaseAddress > (void*)hmod) break;
269 /**********************************************************************
270 * find_basename_module
272 * Find a module from its base name.
273 * The loader_section must be locked while calling this function
275 static WINE_MODREF *find_basename_module( LPCWSTR name )
277 PLIST_ENTRY mark, entry;
279 if (cached_modref && !strcmpiW( name, cached_modref->ldr.BaseDllName.Buffer ))
280 return cached_modref;
282 mark = &NtCurrentTeb()->Peb->LdrData->InLoadOrderModuleList;
283 for (entry = mark->Flink; entry != mark; entry = entry->Flink)
285 LDR_MODULE *mod = CONTAINING_RECORD(entry, LDR_MODULE, InLoadOrderModuleList);
286 if (!strcmpiW( name, mod->BaseDllName.Buffer ))
288 cached_modref = CONTAINING_RECORD(mod, WINE_MODREF, ldr);
289 return cached_modref;
296 /**********************************************************************
297 * find_fullname_module
299 * Find a module from its full path name.
300 * The loader_section must be locked while calling this function
302 static WINE_MODREF *find_fullname_module( LPCWSTR name )
304 PLIST_ENTRY mark, entry;
306 if (cached_modref && !strcmpiW( name, cached_modref->ldr.FullDllName.Buffer ))
307 return cached_modref;
309 mark = &NtCurrentTeb()->Peb->LdrData->InLoadOrderModuleList;
310 for (entry = mark->Flink; entry != mark; entry = entry->Flink)
312 LDR_MODULE *mod = CONTAINING_RECORD(entry, LDR_MODULE, InLoadOrderModuleList);
313 if (!strcmpiW( name, mod->FullDllName.Buffer ))
315 cached_modref = CONTAINING_RECORD(mod, WINE_MODREF, ldr);
316 return cached_modref;
323 /*************************************************************************
324 * find_forwarded_export
326 * Find the final function pointer for a forwarded function.
327 * The loader_section must be locked while calling this function.
329 static FARPROC find_forwarded_export( HMODULE module, const char *forward )
331 const IMAGE_EXPORT_DIRECTORY *exports;
335 const char *end = strchr(forward, '.');
338 if (!end) return NULL;
339 if ((end - forward) * sizeof(WCHAR) >= sizeof(mod_name) - sizeof(dllW)) return NULL;
340 ascii_to_unicode( mod_name, forward, end - forward );
341 memcpy( mod_name + (end - forward), dllW, sizeof(dllW) );
343 if (!(wm = find_basename_module( mod_name )))
345 ERR("module not found for forward '%s' used by %s\n",
346 forward, debugstr_w(get_modref(module)->ldr.FullDllName.Buffer) );
349 if ((exports = RtlImageDirectoryEntryToData( wm->ldr.BaseAddress, TRUE,
350 IMAGE_DIRECTORY_ENTRY_EXPORT, &exp_size )))
351 proc = find_named_export( wm->ldr.BaseAddress, exports, exp_size, end + 1, -1 );
355 ERR("function not found for forward '%s' used by %s."
356 " If you are using builtin %s, try using the native one instead.\n",
357 forward, debugstr_w(get_modref(module)->ldr.FullDllName.Buffer),
358 debugstr_w(get_modref(module)->ldr.BaseDllName.Buffer) );
364 /*************************************************************************
365 * find_ordinal_export
367 * Find an exported function by ordinal.
368 * The exports base must have been subtracted from the ordinal already.
369 * The loader_section must be locked while calling this function.
371 static FARPROC find_ordinal_export( HMODULE module, const IMAGE_EXPORT_DIRECTORY *exports,
372 DWORD exp_size, int ordinal )
375 const DWORD *functions = get_rva( module, exports->AddressOfFunctions );
377 if (ordinal >= exports->NumberOfFunctions)
379 TRACE(" ordinal %ld out of range!\n", ordinal + exports->Base );
382 if (!functions[ordinal]) return NULL;
384 proc = get_rva( module, functions[ordinal] );
386 /* if the address falls into the export dir, it's a forward */
387 if (((const char *)proc >= (const char *)exports) &&
388 ((const char *)proc < (const char *)exports + exp_size))
389 return find_forwarded_export( module, (const char *)proc );
393 const WCHAR *user = current_modref ? current_modref->ldr.BaseDllName.Buffer : NULL;
394 proc = SNOOP_GetProcAddress( module, exports, exp_size, proc, ordinal, user );
398 const WCHAR *user = current_modref ? current_modref->ldr.BaseDllName.Buffer : NULL;
399 proc = RELAY_GetProcAddress( module, exports, exp_size, proc, user );
405 /*************************************************************************
408 * Find an exported function by name.
409 * The loader_section must be locked while calling this function.
411 static FARPROC find_named_export( HMODULE module, const IMAGE_EXPORT_DIRECTORY *exports,
412 DWORD exp_size, const char *name, int hint )
414 const WORD *ordinals = get_rva( module, exports->AddressOfNameOrdinals );
415 const DWORD *names = get_rva( module, exports->AddressOfNames );
416 int min = 0, max = exports->NumberOfNames - 1;
418 /* first check the hint */
419 if (hint >= 0 && hint <= max)
421 char *ename = get_rva( module, names[hint] );
422 if (!strcmp( ename, name ))
423 return find_ordinal_export( module, exports, exp_size, ordinals[hint] );
426 /* then do a binary search */
429 int res, pos = (min + max) / 2;
430 char *ename = get_rva( module, names[pos] );
431 if (!(res = strcmp( ename, name )))
432 return find_ordinal_export( module, exports, exp_size, ordinals[pos] );
433 if (res > 0) max = pos - 1;
441 /*************************************************************************
444 * Import the dll specified by the given import descriptor.
445 * The loader_section must be locked while calling this function.
447 static WINE_MODREF *import_dll( HMODULE module, const IMAGE_IMPORT_DESCRIPTOR *descr, LPCWSTR load_path )
452 const IMAGE_EXPORT_DIRECTORY *exports;
454 const IMAGE_THUNK_DATA *import_list;
455 IMAGE_THUNK_DATA *thunk_list;
457 const char *name = get_rva( module, descr->Name );
458 DWORD len = strlen(name) + 1;
460 DWORD protect_size = 0;
463 thunk_list = get_rva( module, (DWORD)descr->FirstThunk );
464 if (descr->u.OriginalFirstThunk)
465 import_list = get_rva( module, (DWORD)descr->u.OriginalFirstThunk );
467 import_list = thunk_list;
469 if (len * sizeof(WCHAR) <= sizeof(buffer))
471 ascii_to_unicode( buffer, name, len );
472 status = load_dll( load_path, buffer, 0, &wmImp );
474 else /* need to allocate a larger buffer */
476 WCHAR *ptr = RtlAllocateHeap( GetProcessHeap(), 0, len * sizeof(WCHAR) );
477 if (!ptr) return NULL;
478 ascii_to_unicode( ptr, name, len );
479 status = load_dll( load_path, ptr, 0, &wmImp );
480 RtlFreeHeap( GetProcessHeap(), 0, ptr );
485 if (status == STATUS_DLL_NOT_FOUND)
486 ERR("Library %s (which is needed by %s) not found\n",
487 name, debugstr_w(current_modref->ldr.FullDllName.Buffer));
489 ERR("Loading library %s (which is needed by %s) failed (error %lx).\n",
490 name, debugstr_w(current_modref->ldr.FullDllName.Buffer), status);
494 /* unprotect the import address table since it can be located in
495 * readonly section */
496 while (import_list[protect_size].u1.Ordinal) protect_size++;
497 protect_base = thunk_list;
498 protect_size *= sizeof(*thunk_list);
499 NtProtectVirtualMemory( NtCurrentProcess(), &protect_base,
500 &protect_size, PAGE_WRITECOPY, &protect_old );
502 imp_mod = wmImp->ldr.BaseAddress;
503 exports = RtlImageDirectoryEntryToData( imp_mod, TRUE, IMAGE_DIRECTORY_ENTRY_EXPORT, &exp_size );
507 /* set all imported function to deadbeef */
508 while (import_list->u1.Ordinal)
510 if (IMAGE_SNAP_BY_ORDINAL(import_list->u1.Ordinal))
512 int ordinal = IMAGE_ORDINAL(import_list->u1.Ordinal);
513 WARN("No implementation for %s.%d", name, ordinal );
514 thunk_list->u1.Function = allocate_stub( name, (const char *)ordinal );
518 IMAGE_IMPORT_BY_NAME *pe_name = get_rva( module, (DWORD)import_list->u1.AddressOfData );
519 WARN("No implementation for %s.%s", name, pe_name->Name );
520 thunk_list->u1.Function = allocate_stub( name, pe_name->Name );
522 WARN(" imported from %s, allocating stub %p\n",
523 debugstr_w(current_modref->ldr.FullDllName.Buffer),
524 thunk_list->u1.Function );
531 while (import_list->u1.Ordinal)
533 if (IMAGE_SNAP_BY_ORDINAL(import_list->u1.Ordinal))
535 int ordinal = IMAGE_ORDINAL(import_list->u1.Ordinal);
537 thunk_list->u1.Function = (PDWORD)find_ordinal_export( imp_mod, exports, exp_size,
538 ordinal - exports->Base );
539 if (!thunk_list->u1.Function)
541 thunk_list->u1.Function = allocate_stub( name, (const char *)ordinal );
542 WARN("No implementation for %s.%d imported from %s, setting to %p\n",
543 name, ordinal, debugstr_w(current_modref->ldr.FullDllName.Buffer),
544 thunk_list->u1.Function );
546 TRACE_(imports)("--- Ordinal %s.%d = %p\n", name, ordinal, thunk_list->u1.Function );
548 else /* import by name */
550 IMAGE_IMPORT_BY_NAME *pe_name;
551 pe_name = get_rva( module, (DWORD)import_list->u1.AddressOfData );
552 thunk_list->u1.Function = (PDWORD)find_named_export( imp_mod, exports, exp_size,
553 pe_name->Name, pe_name->Hint );
554 if (!thunk_list->u1.Function)
556 thunk_list->u1.Function = allocate_stub( name, pe_name->Name );
557 WARN("No implementation for %s.%s imported from %s, setting to %p\n",
558 name, pe_name->Name, debugstr_w(current_modref->ldr.FullDllName.Buffer),
559 thunk_list->u1.Function );
561 TRACE_(imports)("--- %s %s.%d = %p\n", pe_name->Name, name, pe_name->Hint, thunk_list->u1.Function);
568 /* restore old protection of the import address table */
569 NtProtectVirtualMemory( NtCurrentProcess(), &protect_base, &protect_size, protect_old, NULL );
574 /****************************************************************
577 * Fixup all imports of a given module.
578 * The loader_section must be locked while calling this function.
580 static NTSTATUS fixup_imports( WINE_MODREF *wm, LPCWSTR load_path )
583 const IMAGE_IMPORT_DESCRIPTOR *imports;
588 if (!(imports = RtlImageDirectoryEntryToData( wm->ldr.BaseAddress, TRUE,
589 IMAGE_DIRECTORY_ENTRY_IMPORT, &size )))
590 return STATUS_SUCCESS;
592 nb_imports = size / sizeof(*imports);
593 for (i = 0; i < nb_imports; i++)
595 if (!imports[i].Name)
601 if (!nb_imports) return STATUS_SUCCESS; /* no imports */
603 /* Allocate module dependency list */
604 wm->nDeps = nb_imports;
605 wm->deps = RtlAllocateHeap( GetProcessHeap(), 0, nb_imports*sizeof(WINE_MODREF *) );
607 /* load the imported modules. They are automatically
608 * added to the modref list of the process.
610 prev = current_modref;
612 status = STATUS_SUCCESS;
613 for (i = 0; i < nb_imports; i++)
615 if (!(wm->deps[i] = import_dll( wm->ldr.BaseAddress, &imports[i], load_path )))
616 status = STATUS_DLL_NOT_FOUND;
618 current_modref = prev;
623 /*************************************************************************
626 * Allocate a WINE_MODREF structure and add it to the process list
627 * The loader_section must be locked while calling this function.
629 static WINE_MODREF *alloc_module( HMODULE hModule, LPCWSTR filename )
633 const IMAGE_NT_HEADERS *nt = RtlImageNtHeader(hModule);
634 PLIST_ENTRY entry, mark;
636 if (!(wm = RtlAllocateHeap( GetProcessHeap(), 0, sizeof(*wm) ))) return NULL;
641 wm->ldr.BaseAddress = hModule;
642 wm->ldr.EntryPoint = NULL;
643 wm->ldr.SizeOfImage = nt->OptionalHeader.SizeOfImage;
645 wm->ldr.LoadCount = 0;
646 wm->ldr.TlsIndex = -1;
647 wm->ldr.SectionHandle = NULL;
648 wm->ldr.CheckSum = 0;
649 wm->ldr.TimeDateStamp = 0;
651 RtlCreateUnicodeString( &wm->ldr.FullDllName, filename );
652 if ((p = strrchrW( wm->ldr.FullDllName.Buffer, '\\' ))) p++;
653 else p = wm->ldr.FullDllName.Buffer;
654 RtlInitUnicodeString( &wm->ldr.BaseDllName, p );
656 if (nt->FileHeader.Characteristics & IMAGE_FILE_DLL)
658 wm->ldr.Flags |= LDR_IMAGE_IS_DLL;
659 if (nt->OptionalHeader.AddressOfEntryPoint)
660 wm->ldr.EntryPoint = (char *)hModule + nt->OptionalHeader.AddressOfEntryPoint;
663 InsertTailList(&NtCurrentTeb()->Peb->LdrData->InLoadOrderModuleList,
664 &wm->ldr.InLoadOrderModuleList);
666 /* insert module in MemoryList, sorted in increasing base addresses */
667 mark = &NtCurrentTeb()->Peb->LdrData->InMemoryOrderModuleList;
668 for (entry = mark->Flink; entry != mark; entry = entry->Flink)
670 if (CONTAINING_RECORD(entry, LDR_MODULE, InMemoryOrderModuleList)->BaseAddress > wm->ldr.BaseAddress)
673 entry->Blink->Flink = &wm->ldr.InMemoryOrderModuleList;
674 wm->ldr.InMemoryOrderModuleList.Blink = entry->Blink;
675 wm->ldr.InMemoryOrderModuleList.Flink = entry;
676 entry->Blink = &wm->ldr.InMemoryOrderModuleList;
678 /* wait until init is called for inserting into this list */
679 wm->ldr.InInitializationOrderModuleList.Flink = NULL;
680 wm->ldr.InInitializationOrderModuleList.Blink = NULL;
685 /*************************************************************************
688 * Allocate the process-wide structure for module TLS storage.
690 static NTSTATUS alloc_process_tls(void)
692 PLIST_ENTRY mark, entry;
694 const IMAGE_TLS_DIRECTORY *dir;
697 mark = &NtCurrentTeb()->Peb->LdrData->InMemoryOrderModuleList;
698 for (entry = mark->Flink; entry != mark; entry = entry->Flink)
700 mod = CONTAINING_RECORD(entry, LDR_MODULE, InMemoryOrderModuleList);
701 if (!(dir = RtlImageDirectoryEntryToData( mod->BaseAddress, TRUE,
702 IMAGE_DIRECTORY_ENTRY_TLS, &size )))
704 size = (dir->EndAddressOfRawData - dir->StartAddressOfRawData) + dir->SizeOfZeroFill;
706 tls_total_size += size;
709 if (!tls_module_count) return STATUS_SUCCESS;
711 TRACE( "count %u size %u\n", tls_module_count, tls_total_size );
713 tls_dirs = RtlAllocateHeap( GetProcessHeap(), 0, tls_module_count * sizeof(*tls_dirs) );
714 if (!tls_dirs) return STATUS_NO_MEMORY;
716 for (i = 0, entry = mark->Flink; entry != mark; entry = entry->Flink)
718 mod = CONTAINING_RECORD(entry, LDR_MODULE, InMemoryOrderModuleList);
719 if (!(dir = RtlImageDirectoryEntryToData( mod->BaseAddress, TRUE,
720 IMAGE_DIRECTORY_ENTRY_TLS, &size )))
723 *dir->AddressOfIndex = i;
725 mod->LoadCount = -1; /* can't unload it */
728 return STATUS_SUCCESS;
732 /*************************************************************************
735 * Allocate the per-thread structure for module TLS storage.
737 static NTSTATUS alloc_thread_tls(void)
743 if (!tls_module_count) return STATUS_SUCCESS;
745 if (!(pointers = RtlAllocateHeap( GetProcessHeap(), 0,
746 tls_module_count * sizeof(*pointers) )))
747 return STATUS_NO_MEMORY;
749 if (!(data = RtlAllocateHeap( GetProcessHeap(), 0, tls_total_size )))
751 RtlFreeHeap( GetProcessHeap(), 0, pointers );
752 return STATUS_NO_MEMORY;
755 for (i = 0; i < tls_module_count; i++)
757 const IMAGE_TLS_DIRECTORY *dir = tls_dirs[i];
758 ULONG size = dir->EndAddressOfRawData - dir->StartAddressOfRawData;
760 TRACE( "thread %04lx idx %d: %ld/%ld bytes from %p to %p\n",
761 GetCurrentThreadId(), i, size, dir->SizeOfZeroFill,
762 (void *)dir->StartAddressOfRawData, data );
765 memcpy( data, (void *)dir->StartAddressOfRawData, size );
767 memset( data, 0, dir->SizeOfZeroFill );
768 data += dir->SizeOfZeroFill;
770 NtCurrentTeb()->ThreadLocalStoragePointer = pointers;
771 return STATUS_SUCCESS;
775 /*************************************************************************
778 static void call_tls_callbacks( HMODULE module, UINT reason )
780 const IMAGE_TLS_DIRECTORY *dir;
781 const PIMAGE_TLS_CALLBACK *callback;
784 dir = RtlImageDirectoryEntryToData( module, TRUE, IMAGE_DIRECTORY_ENTRY_TLS, &dirsize );
785 if (!dir || !dir->AddressOfCallBacks) return;
787 for (callback = dir->AddressOfCallBacks; *callback; callback++)
790 DPRINTF("%04lx:Call TLS callback (proc=%p,module=%p,reason=%s,reserved=0)\n",
791 GetCurrentThreadId(), *callback, module, reason_names[reason] );
792 (*callback)( module, reason, NULL );
794 DPRINTF("%04lx:Ret TLS callback (proc=%p,module=%p,reason=%s,reserved=0)\n",
795 GetCurrentThreadId(), *callback, module, reason_names[reason] );
800 /*************************************************************************
803 static BOOL MODULE_InitDLL( WINE_MODREF *wm, UINT reason, LPVOID lpReserved )
807 DLLENTRYPROC entry = wm->ldr.EntryPoint;
808 void *module = wm->ldr.BaseAddress;
810 /* Skip calls for modules loaded with special load flags */
812 if (wm->ldr.Flags & LDR_DONT_RESOLVE_REFS) return TRUE;
813 if (wm->ldr.TlsIndex != -1) call_tls_callbacks( wm->ldr.BaseAddress, reason );
814 if (!entry) return TRUE;
818 size_t len = min( wm->ldr.BaseDllName.Length, sizeof(mod_name)-sizeof(WCHAR) );
819 memcpy( mod_name, wm->ldr.BaseDllName.Buffer, len );
820 mod_name[len / sizeof(WCHAR)] = 0;
821 DPRINTF("%04lx:Call PE DLL (proc=%p,module=%p %s,reason=%s,res=%p)\n",
822 GetCurrentThreadId(), entry, module, debugstr_w(mod_name),
823 reason_names[reason], lpReserved );
825 else TRACE("(%p %s,%s,%p) - CALL\n", module, debugstr_w(wm->ldr.BaseDllName.Buffer),
826 reason_names[reason], lpReserved );
828 retv = call_dll_entry_point( entry, module, reason, lpReserved );
830 /* The state of the module list may have changed due to the call
831 to the dll. We cannot assume that this module has not been
834 DPRINTF("%04lx:Ret PE DLL (proc=%p,module=%p %s,reason=%s,res=%p) retval=%x\n",
835 GetCurrentThreadId(), entry, module, debugstr_w(mod_name),
836 reason_names[reason], lpReserved, retv );
837 else TRACE("(%p,%s,%p) - RETURN %d\n", module, reason_names[reason], lpReserved, retv );
843 /*************************************************************************
846 * Send the process attach notification to all DLLs the given module
847 * depends on (recursively). This is somewhat complicated due to the fact that
849 * - we have to respect the module dependencies, i.e. modules implicitly
850 * referenced by another module have to be initialized before the module
851 * itself can be initialized
853 * - the initialization routine of a DLL can itself call LoadLibrary,
854 * thereby introducing a whole new set of dependencies (even involving
855 * the 'old' modules) at any time during the whole process
857 * (Note that this routine can be recursively entered not only directly
858 * from itself, but also via LoadLibrary from one of the called initialization
861 * Furthermore, we need to rearrange the main WINE_MODREF list to allow
862 * the process *detach* notifications to be sent in the correct order.
863 * This must not only take into account module dependencies, but also
864 * 'hidden' dependencies created by modules calling LoadLibrary in their
865 * attach notification routine.
867 * The strategy is rather simple: we move a WINE_MODREF to the head of the
868 * list after the attach notification has returned. This implies that the
869 * detach notifications are called in the reverse of the sequence the attach
870 * notifications *returned*.
872 * The loader_section must be locked while calling this function.
874 static NTSTATUS process_attach( WINE_MODREF *wm, LPVOID lpReserved )
876 NTSTATUS status = STATUS_SUCCESS;
879 /* prevent infinite recursion in case of cyclical dependencies */
880 if ( ( wm->ldr.Flags & LDR_LOAD_IN_PROGRESS )
881 || ( wm->ldr.Flags & LDR_PROCESS_ATTACHED ) )
884 TRACE("(%s,%p) - START\n", debugstr_w(wm->ldr.BaseDllName.Buffer), lpReserved );
886 /* Tag current MODREF to prevent recursive loop */
887 wm->ldr.Flags |= LDR_LOAD_IN_PROGRESS;
889 /* Recursively attach all DLLs this one depends on */
890 for ( i = 0; i < wm->nDeps; i++ )
892 if (!wm->deps[i]) continue;
893 if ((status = process_attach( wm->deps[i], lpReserved )) != STATUS_SUCCESS) break;
896 /* Call DLL entry point */
897 if (status == STATUS_SUCCESS)
899 WINE_MODREF *prev = current_modref;
901 if (MODULE_InitDLL( wm, DLL_PROCESS_ATTACH, lpReserved ))
903 wm->ldr.Flags |= LDR_PROCESS_ATTACHED;
907 /* point to the name so LdrInitializeThunk can print it */
908 last_failed_modref = wm;
909 WARN("Initialization of %s failed\n", debugstr_w(wm->ldr.BaseDllName.Buffer));
910 status = STATUS_DLL_INIT_FAILED;
912 current_modref = prev;
915 InsertTailList(&NtCurrentTeb()->Peb->LdrData->InInitializationOrderModuleList,
916 &wm->ldr.InInitializationOrderModuleList);
918 /* Remove recursion flag */
919 wm->ldr.Flags &= ~LDR_LOAD_IN_PROGRESS;
921 TRACE("(%s,%p) - END\n", debugstr_w(wm->ldr.BaseDllName.Buffer), lpReserved );
925 /*************************************************************************
928 * Send DLL process detach notifications. See the comment about calling
929 * sequence at process_attach. Unless the bForceDetach flag
930 * is set, only DLLs with zero refcount are notified.
932 static void process_detach( BOOL bForceDetach, LPVOID lpReserved )
934 PLIST_ENTRY mark, entry;
937 RtlEnterCriticalSection( &loader_section );
938 if (bForceDetach) process_detaching = 1;
939 mark = &NtCurrentTeb()->Peb->LdrData->InInitializationOrderModuleList;
942 for (entry = mark->Blink; entry != mark; entry = entry->Blink)
944 mod = CONTAINING_RECORD(entry, LDR_MODULE,
945 InInitializationOrderModuleList);
946 /* Check whether to detach this DLL */
947 if ( !(mod->Flags & LDR_PROCESS_ATTACHED) )
949 if ( mod->LoadCount && !bForceDetach )
952 /* Call detach notification */
953 mod->Flags &= ~LDR_PROCESS_ATTACHED;
954 MODULE_InitDLL( CONTAINING_RECORD(mod, WINE_MODREF, ldr),
955 DLL_PROCESS_DETACH, lpReserved );
957 /* Restart at head of WINE_MODREF list, as entries might have
958 been added and/or removed while performing the call ... */
961 } while (entry != mark);
963 RtlLeaveCriticalSection( &loader_section );
966 /*************************************************************************
967 * MODULE_DllThreadAttach
969 * Send DLL thread attach notifications. These are sent in the
970 * reverse sequence of process detach notification.
973 NTSTATUS MODULE_DllThreadAttach( LPVOID lpReserved )
975 PLIST_ENTRY mark, entry;
979 /* don't do any attach calls if process is exiting */
980 if (process_detaching) return STATUS_SUCCESS;
981 /* FIXME: there is still a race here */
983 RtlEnterCriticalSection( &loader_section );
985 if ((status = alloc_thread_tls()) != STATUS_SUCCESS) goto done;
987 mark = &NtCurrentTeb()->Peb->LdrData->InInitializationOrderModuleList;
988 for (entry = mark->Flink; entry != mark; entry = entry->Flink)
990 mod = CONTAINING_RECORD(entry, LDR_MODULE,
991 InInitializationOrderModuleList);
992 if ( !(mod->Flags & LDR_PROCESS_ATTACHED) )
994 if ( mod->Flags & LDR_NO_DLL_CALLS )
997 MODULE_InitDLL( CONTAINING_RECORD(mod, WINE_MODREF, ldr),
998 DLL_THREAD_ATTACH, lpReserved );
1002 RtlLeaveCriticalSection( &loader_section );
1006 /******************************************************************
1007 * LdrDisableThreadCalloutsForDll (NTDLL.@)
1010 NTSTATUS WINAPI LdrDisableThreadCalloutsForDll(HMODULE hModule)
1013 NTSTATUS ret = STATUS_SUCCESS;
1015 RtlEnterCriticalSection( &loader_section );
1017 wm = get_modref( hModule );
1018 if (!wm || wm->ldr.TlsIndex != -1)
1019 ret = STATUS_DLL_NOT_FOUND;
1021 wm->ldr.Flags |= LDR_NO_DLL_CALLS;
1023 RtlLeaveCriticalSection( &loader_section );
1028 /******************************************************************
1029 * LdrFindEntryForAddress (NTDLL.@)
1031 * The loader_section must be locked while calling this function
1033 NTSTATUS WINAPI LdrFindEntryForAddress(const void* addr, PLDR_MODULE* pmod)
1035 PLIST_ENTRY mark, entry;
1038 mark = &NtCurrentTeb()->Peb->LdrData->InMemoryOrderModuleList;
1039 for (entry = mark->Flink; entry != mark; entry = entry->Flink)
1041 mod = CONTAINING_RECORD(entry, LDR_MODULE, InMemoryOrderModuleList);
1042 if ((const void *)mod->BaseAddress <= addr &&
1043 (const char *)addr < (char*)mod->BaseAddress + mod->SizeOfImage)
1046 return STATUS_SUCCESS;
1048 if ((const void *)mod->BaseAddress > addr) break;
1050 return STATUS_NO_MORE_ENTRIES;
1053 /******************************************************************
1054 * LdrLockLoaderLock (NTDLL.@)
1056 * Note: flags are not implemented.
1057 * Flag 0x01 is used to raise exceptions on errors.
1058 * Flag 0x02 is used to avoid waiting on the section (does RtlTryEnterCriticalSection instead).
1060 NTSTATUS WINAPI LdrLockLoaderLock( ULONG flags, ULONG *result, ULONG *magic )
1062 if (flags) FIXME( "flags %lx not supported\n", flags );
1064 if (result) *result = 1;
1065 if (!magic) return STATUS_INVALID_PARAMETER_3;
1066 RtlEnterCriticalSection( &loader_section );
1067 *magic = GetCurrentThreadId();
1068 return STATUS_SUCCESS;
1072 /******************************************************************
1073 * LdrUnlockLoaderUnlock (NTDLL.@)
1075 NTSTATUS WINAPI LdrUnlockLoaderLock( ULONG flags, ULONG magic )
1079 if (magic != GetCurrentThreadId()) return STATUS_INVALID_PARAMETER_2;
1080 RtlLeaveCriticalSection( &loader_section );
1082 return STATUS_SUCCESS;
1086 /******************************************************************
1087 * LdrGetDllHandle (NTDLL.@)
1089 NTSTATUS WINAPI LdrGetDllHandle(ULONG x, ULONG y, const UNICODE_STRING *name, HMODULE *base)
1091 NTSTATUS status = STATUS_DLL_NOT_FOUND;
1092 WCHAR dllname[MAX_PATH+4], *p;
1094 PLIST_ENTRY mark, entry;
1097 if (x != 0 || y != 0)
1098 FIXME("Unknown behavior, please report\n");
1100 /* Append .DLL to name if no extension present */
1101 if (!(p = strrchrW( name->Buffer, '.')) || strchrW( p, '/' ) || strchrW( p, '\\'))
1103 if (name->Length >= MAX_PATH) return STATUS_NAME_TOO_LONG;
1104 strcpyW( dllname, name->Buffer );
1105 strcatW( dllname, dllW );
1106 RtlInitUnicodeString( &str, dllname );
1110 RtlEnterCriticalSection( &loader_section );
1114 if (RtlEqualUnicodeString( name, &cached_modref->ldr.FullDllName, TRUE ) ||
1115 RtlEqualUnicodeString( name, &cached_modref->ldr.BaseDllName, TRUE ))
1117 *base = cached_modref->ldr.BaseAddress;
1118 status = STATUS_SUCCESS;
1123 mark = &NtCurrentTeb()->Peb->LdrData->InLoadOrderModuleList;
1124 for (entry = mark->Flink; entry != mark; entry = entry->Flink)
1126 mod = CONTAINING_RECORD(entry, LDR_MODULE, InLoadOrderModuleList);
1128 if (RtlEqualUnicodeString( name, &mod->FullDllName, TRUE ) ||
1129 RtlEqualUnicodeString( name, &mod->BaseDllName, TRUE ))
1131 cached_modref = CONTAINING_RECORD(mod, WINE_MODREF, ldr);
1132 *base = mod->BaseAddress;
1133 status = STATUS_SUCCESS;
1138 RtlLeaveCriticalSection( &loader_section );
1139 TRACE("%lx %lx %s -> %p\n", x, y, debugstr_us(name), status ? NULL : *base);
1144 /******************************************************************
1145 * LdrGetProcedureAddress (NTDLL.@)
1147 NTSTATUS WINAPI LdrGetProcedureAddress(HMODULE module, const ANSI_STRING *name,
1148 ULONG ord, PVOID *address)
1150 IMAGE_EXPORT_DIRECTORY *exports;
1152 NTSTATUS ret = STATUS_PROCEDURE_NOT_FOUND;
1154 RtlEnterCriticalSection( &loader_section );
1156 if ((exports = RtlImageDirectoryEntryToData( module, TRUE,
1157 IMAGE_DIRECTORY_ENTRY_EXPORT, &exp_size )))
1159 void *proc = name ? find_named_export( module, exports, exp_size, name->Buffer, -1 )
1160 : find_ordinal_export( module, exports, exp_size, ord - exports->Base );
1164 ret = STATUS_SUCCESS;
1169 /* check if the module itself is invalid to return the proper error */
1170 if (!get_modref( module )) ret = STATUS_DLL_NOT_FOUND;
1173 RtlLeaveCriticalSection( &loader_section );
1178 /***********************************************************************
1179 * load_builtin_callback
1181 * Load a library in memory; callback function for wine_dll_register
1183 static void load_builtin_callback( void *module, const char *filename )
1185 static const WCHAR emptyW[1];
1187 IMAGE_NT_HEADERS *nt;
1189 WCHAR *fullname, *p;
1190 const WCHAR *load_path;
1194 ERR("could not map image for %s\n", filename ? filename : "main exe" );
1197 if (!(nt = RtlImageNtHeader( module )))
1199 ERR( "bad module for %s\n", filename ? filename : "main exe" );
1200 builtin_load_info->status = STATUS_INVALID_IMAGE_FORMAT;
1203 if (!(nt->FileHeader.Characteristics & IMAGE_FILE_DLL))
1205 /* if we already have an executable, ignore this one */
1206 if (!NtCurrentTeb()->Peb->ImageBaseAddress)
1208 NtCurrentTeb()->Peb->ImageBaseAddress = module;
1209 return; /* don't create the modref here, will be done later on */
1213 /* create the MODREF */
1215 if (!(fullname = RtlAllocateHeap( GetProcessHeap(), 0,
1216 system_dir.MaximumLength + (strlen(filename) + 1) * sizeof(WCHAR) )))
1218 ERR( "can't load %s\n", filename );
1219 builtin_load_info->status = STATUS_NO_MEMORY;
1222 memcpy( fullname, system_dir.Buffer, system_dir.Length );
1223 p = fullname + system_dir.Length / sizeof(WCHAR);
1224 if (p > fullname && p[-1] != '\\') *p++ = '\\';
1225 ascii_to_unicode( p, filename, strlen(filename) + 1 );
1227 wm = alloc_module( module, fullname );
1228 RtlFreeHeap( GetProcessHeap(), 0, fullname );
1231 ERR( "can't load %s\n", filename );
1232 builtin_load_info->status = STATUS_NO_MEMORY;
1235 wm->ldr.Flags |= LDR_WINE_INTERNAL;
1237 NtAllocateVirtualMemory( NtCurrentProcess(), &addr, 0, &nt->OptionalHeader.SizeOfImage,
1238 MEM_SYSTEM | MEM_IMAGE, PAGE_EXECUTE_WRITECOPY );
1242 load_path = builtin_load_info->load_path;
1243 if (!load_path) load_path = NtCurrentTeb()->Peb->ProcessParameters->DllPath.Buffer;
1244 if (!load_path) load_path = emptyW;
1245 if (fixup_imports( wm, load_path ) != STATUS_SUCCESS)
1247 /* the module has only be inserted in the load & memory order lists */
1248 RemoveEntryList(&wm->ldr.InLoadOrderModuleList);
1249 RemoveEntryList(&wm->ldr.InMemoryOrderModuleList);
1250 /* FIXME: free the modref */
1251 builtin_load_info->status = STATUS_DLL_NOT_FOUND;
1254 builtin_load_info->wm = wm;
1255 TRACE( "loaded %s %p %p\n", filename, wm, module );
1257 /* send the DLL load event */
1259 SERVER_START_REQ( load_dll )
1263 req->size = nt->OptionalHeader.SizeOfImage;
1264 req->dbg_offset = nt->FileHeader.PointerToSymbolTable;
1265 req->dbg_size = nt->FileHeader.NumberOfSymbols;
1266 req->name = &wm->ldr.FullDllName.Buffer;
1267 wine_server_add_data( req, wm->ldr.FullDllName.Buffer, wm->ldr.FullDllName.Length );
1268 wine_server_call( req );
1272 /* setup relay debugging entry points */
1273 if (TRACE_ON(relay)) RELAY_SetupDLL( module );
1277 /******************************************************************************
1278 * load_native_dll (internal)
1280 static NTSTATUS load_native_dll( LPCWSTR load_path, LPCWSTR name, HANDLE file,
1281 DWORD flags, WINE_MODREF** pwm )
1285 OBJECT_ATTRIBUTES attr;
1287 IMAGE_NT_HEADERS *nt;
1292 TRACE( "loading %s\n", debugstr_w(name) );
1294 attr.Length = sizeof(attr);
1295 attr.RootDirectory = 0;
1296 attr.ObjectName = NULL;
1297 attr.Attributes = 0;
1298 attr.SecurityDescriptor = NULL;
1299 attr.SecurityQualityOfService = NULL;
1302 status = NtCreateSection( &mapping, STANDARD_RIGHTS_REQUIRED | SECTION_QUERY | SECTION_MAP_READ,
1303 &attr, &size, 0, SEC_IMAGE, file );
1304 if (status != STATUS_SUCCESS) return status;
1307 status = NtMapViewOfSection( mapping, NtCurrentProcess(),
1308 &module, 0, 0, &size, &len, ViewShare, 0, PAGE_READONLY );
1310 if (status != STATUS_SUCCESS) return status;
1312 /* create the MODREF */
1314 if (!(wm = alloc_module( module, name ))) return STATUS_NO_MEMORY;
1318 if (!(flags & DONT_RESOLVE_DLL_REFERENCES))
1320 if ((status = fixup_imports( wm, load_path )) != STATUS_SUCCESS)
1322 /* the module has only be inserted in the load & memory order lists */
1323 RemoveEntryList(&wm->ldr.InLoadOrderModuleList);
1324 RemoveEntryList(&wm->ldr.InMemoryOrderModuleList);
1326 /* FIXME: there are several more dangling references
1327 * left. Including dlls loaded by this dll before the
1328 * failed one. Unrolling is rather difficult with the
1329 * current structure and we can leave them lying
1330 * around with no problems, so we don't care.
1331 * As these might reference our wm, we don't free it.
1336 else wm->ldr.Flags |= LDR_DONT_RESOLVE_REFS;
1338 /* send DLL load event */
1340 nt = RtlImageNtHeader( module );
1342 /* don't keep the file open if the mapping is from removable media */
1343 if (!VIRTUAL_HasMapping( module )) file = 0;
1345 SERVER_START_REQ( load_dll )
1349 req->size = nt->OptionalHeader.SizeOfImage;
1350 req->dbg_offset = nt->FileHeader.PointerToSymbolTable;
1351 req->dbg_size = nt->FileHeader.NumberOfSymbols;
1352 req->name = &wm->ldr.FullDllName.Buffer;
1353 wine_server_add_data( req, wm->ldr.FullDllName.Buffer, wm->ldr.FullDllName.Length );
1354 wine_server_call( req );
1358 if (TRACE_ON(snoop)) SNOOP_SetupDLL( module );
1360 TRACE_(loaddll)( " Loaded module %s : native\n", debugstr_w(wm->ldr.FullDllName.Buffer) );
1363 return STATUS_SUCCESS;
1367 /***********************************************************************
1370 static NTSTATUS load_builtin_dll( LPCWSTR load_path, LPCWSTR path, DWORD flags, WINE_MODREF** pwm )
1372 char error[256], dllname[MAX_PATH];
1374 const WCHAR *name, *p;
1377 struct builtin_load_info info, *prev_info;
1379 /* Fix the name in case we have a full path and extension */
1381 if ((p = strrchrW( name, '\\' ))) name = p + 1;
1382 if ((p = strrchrW( name, '/' ))) name = p + 1;
1384 /* we don't want to depend on the current codepage here */
1385 len = strlenW( name ) + 1;
1386 if (len >= sizeof(dllname)) return STATUS_NAME_TOO_LONG;
1387 for (i = 0; i < len; i++)
1389 if (name[i] > 127) return STATUS_DLL_NOT_FOUND;
1390 dllname[i] = (char)name[i];
1391 if (dllname[i] >= 'A' && dllname[i] <= 'Z') dllname[i] += 'a' - 'A';
1394 /* load_library will modify info.status. Note also that load_library can be
1395 * called several times, if the .so file we're loading has dependencies.
1396 * info.status will gather all the errors we may get while loading all these
1399 info.load_path = load_path;
1400 info.status = STATUS_SUCCESS;
1402 prev_info = builtin_load_info;
1403 builtin_load_info = &info;
1404 handle = wine_dll_load( dllname, error, sizeof(error), &file_exists );
1405 builtin_load_info = prev_info;
1411 /* The file does not exist -> WARN() */
1412 WARN("cannot open .so lib for builtin %s: %s\n", debugstr_w(name), error);
1413 return STATUS_DLL_NOT_FOUND;
1415 /* ERR() for all other errors (missing functions, ...) */
1416 ERR("failed to load .so lib for builtin %s: %s\n", debugstr_w(name), error );
1417 return STATUS_PROCEDURE_NOT_FOUND;
1419 if (info.status != STATUS_SUCCESS) return info.status;
1423 /* The constructor wasn't called, this means the .so is already
1424 * loaded under a different name. We can't support multiple names
1425 * for the same module, so return an error. */
1426 return STATUS_INVALID_IMAGE_FORMAT;
1429 TRACE_(loaddll)( "Loaded module %s : builtin\n", debugstr_w(info.wm->ldr.FullDllName.Buffer) );
1431 info.wm->ldr.SectionHandle = handle;
1432 if (strcmpiW( info.wm->ldr.BaseDllName.Buffer, name ))
1434 ERR( "loaded .so for %s but got %s instead - probably 16-bit dll\n",
1435 debugstr_w(name), debugstr_w(info.wm->ldr.BaseDllName.Buffer) );
1436 /* wine_dll_unload( handle );*/
1437 return STATUS_INVALID_IMAGE_FORMAT;
1440 return STATUS_SUCCESS;
1444 /***********************************************************************
1447 * Find the file (or already loaded module) for a given dll name.
1449 static NTSTATUS find_dll_file( const WCHAR *load_path, const WCHAR *libname,
1450 WCHAR *filename, ULONG *size, WINE_MODREF **pwm, HANDLE *handle )
1452 OBJECT_ATTRIBUTES attr;
1454 UNICODE_STRING nt_name;
1455 WCHAR *file_part, *ext, *dllname;
1458 /* first append .dll if needed */
1461 if (!(ext = strrchrW( libname, '.')) || strchrW( ext, '/' ) || strchrW( ext, '\\'))
1463 if (!(dllname = RtlAllocateHeap( GetProcessHeap(), 0,
1464 (strlenW(libname) * sizeof(WCHAR)) + sizeof(dllW) )))
1465 return STATUS_NO_MEMORY;
1466 strcpyW( dllname, libname );
1467 strcatW( dllname, dllW );
1471 nt_name.Buffer = NULL;
1472 if (RtlDetermineDosPathNameType_U( libname ) == RELATIVE_PATH)
1474 /* we need to search for it */
1475 len = RtlDosSearchPath_U( load_path, libname, NULL, *size, filename, &file_part );
1478 if (len >= *size) goto overflow;
1479 if ((*pwm = find_fullname_module( filename )) != NULL) goto found;
1481 /* check for already loaded module in a different path */
1482 if (!contains_path( libname ))
1484 if ((*pwm = find_basename_module( file_part )) != NULL) goto found;
1486 if (!RtlDosPathNameToNtPathName_U( filename, &nt_name, NULL, NULL ))
1488 RtlFreeHeap( GetProcessHeap(), 0, dllname );
1489 return STATUS_NO_MEMORY;
1491 attr.Length = sizeof(attr);
1492 attr.RootDirectory = 0;
1493 attr.Attributes = OBJ_CASE_INSENSITIVE;
1494 attr.ObjectName = &nt_name;
1495 attr.SecurityDescriptor = NULL;
1496 attr.SecurityQualityOfService = NULL;
1497 if (NtOpenFile( handle, GENERIC_READ, &attr, &io, FILE_SHARE_READ|FILE_SHARE_DELETE, 0 )) *handle = 0;
1503 if (!contains_path( libname ))
1505 /* if libname doesn't contain a path at all, we simply return the name as is,
1506 * to be loaded as builtin */
1507 len = strlenW(libname) * sizeof(WCHAR);
1508 if (len >= *size) goto overflow;
1509 strcpyW( filename, libname );
1510 *pwm = find_basename_module( filename );
1515 /* absolute path name, or relative path name but not found above */
1517 if (!RtlDosPathNameToNtPathName_U( libname, &nt_name, &file_part, NULL ))
1519 RtlFreeHeap( GetProcessHeap(), 0, dllname );
1520 return STATUS_NO_MEMORY;
1522 len = nt_name.Length - 4*sizeof(WCHAR); /* for \??\ prefix */
1523 if (len >= *size) goto overflow;
1524 memcpy( filename, nt_name.Buffer + 4, len + sizeof(WCHAR) );
1525 if (!(*pwm = find_fullname_module( filename )))
1527 attr.Length = sizeof(attr);
1528 attr.RootDirectory = 0;
1529 attr.Attributes = OBJ_CASE_INSENSITIVE;
1530 attr.ObjectName = &nt_name;
1531 attr.SecurityDescriptor = NULL;
1532 attr.SecurityQualityOfService = NULL;
1533 if (NtOpenFile( handle, GENERIC_READ, &attr, &io, FILE_SHARE_READ|FILE_SHARE_DELETE, 0 )) *handle = 0;
1536 RtlFreeUnicodeString( &nt_name );
1537 RtlFreeHeap( GetProcessHeap(), 0, dllname );
1538 return STATUS_SUCCESS;
1541 RtlFreeUnicodeString( &nt_name );
1542 RtlFreeHeap( GetProcessHeap(), 0, dllname );
1543 *size = len + sizeof(WCHAR);
1544 return STATUS_BUFFER_TOO_SMALL;
1548 /***********************************************************************
1549 * load_dll (internal)
1551 * Load a PE style module according to the load order.
1552 * The loader_section must be locked while calling this function.
1554 static NTSTATUS load_dll( LPCWSTR load_path, LPCWSTR libname, DWORD flags, WINE_MODREF** pwm )
1557 enum loadorder_type loadorder[LOADORDER_NTYPES];
1561 const char *filetype = "";
1562 WINE_MODREF *main_exe;
1566 TRACE( "looking for %s in %s\n", debugstr_w(libname), debugstr_w(load_path) );
1569 size = sizeof(buffer);
1572 nts = find_dll_file( load_path, libname, filename, &size, pwm, &handle );
1573 if (nts == STATUS_SUCCESS) break;
1574 if (filename != buffer) RtlFreeHeap( GetProcessHeap(), 0, filename );
1575 if (nts != STATUS_BUFFER_TOO_SMALL) return nts;
1576 /* grow the buffer and retry */
1577 if (!(filename = RtlAllocateHeap( GetProcessHeap(), 0, size ))) return STATUS_NO_MEMORY;
1580 if (*pwm) /* found already loaded module */
1582 if ((*pwm)->ldr.LoadCount != -1) (*pwm)->ldr.LoadCount++;
1584 if (((*pwm)->ldr.Flags & LDR_DONT_RESOLVE_REFS) &&
1585 !(flags & DONT_RESOLVE_DLL_REFERENCES))
1587 (*pwm)->ldr.Flags &= ~LDR_DONT_RESOLVE_REFS;
1588 fixup_imports( *pwm, load_path );
1590 TRACE("Found loaded module %s for %s at %p, count=%d\n",
1591 debugstr_w((*pwm)->ldr.FullDllName.Buffer), debugstr_w(libname),
1592 (*pwm)->ldr.BaseAddress, (*pwm)->ldr.LoadCount);
1593 if (filename != buffer) RtlFreeHeap( GetProcessHeap(), 0, filename );
1594 return STATUS_SUCCESS;
1597 main_exe = get_modref( NtCurrentTeb()->Peb->ImageBaseAddress );
1598 MODULE_GetLoadOrderW( loadorder, main_exe ? main_exe->ldr.BaseDllName.Buffer : NULL, filename );
1600 nts = STATUS_DLL_NOT_FOUND;
1601 for (i = 0; i < LOADORDER_NTYPES; i++)
1603 if (loadorder[i] == LOADORDER_INVALID) break;
1605 switch (loadorder[i])
1608 TRACE("Trying native dll %s\n", debugstr_w(filename));
1609 if (!handle) continue; /* it cannot possibly be loaded */
1610 nts = load_native_dll( load_path, filename, handle, flags, pwm );
1611 filetype = "native";
1614 TRACE("Trying built-in %s\n", debugstr_w(filename));
1615 nts = load_builtin_dll( load_path, filename, flags, pwm );
1616 filetype = "builtin";
1619 nts = STATUS_INTERNAL_ERROR;
1623 if (nts == STATUS_SUCCESS)
1625 /* Initialize DLL just loaded */
1626 TRACE("Loaded module %s (%s) at %p\n",
1627 debugstr_w(filename), filetype, (*pwm)->ldr.BaseAddress);
1628 /* Set the ldr.LoadCount here so that an attach failure will */
1629 /* decrement the dependencies through the MODULE_FreeLibrary call. */
1630 (*pwm)->ldr.LoadCount = 1;
1631 if (handle) NtClose( handle );
1632 if (filename != buffer) RtlFreeHeap( GetProcessHeap(), 0, filename );
1635 if (nts != STATUS_DLL_NOT_FOUND) break;
1638 WARN("Failed to load module %s; status=%lx\n", debugstr_w(libname), nts);
1639 if (handle) NtClose( handle );
1640 if (filename != buffer) RtlFreeHeap( GetProcessHeap(), 0, filename );
1644 /******************************************************************
1645 * LdrLoadDll (NTDLL.@)
1647 NTSTATUS WINAPI LdrLoadDll(LPCWSTR path_name, DWORD flags,
1648 const UNICODE_STRING *libname, HMODULE* hModule)
1653 RtlEnterCriticalSection( &loader_section );
1655 if (!path_name) path_name = NtCurrentTeb()->Peb->ProcessParameters->DllPath.Buffer;
1656 nts = load_dll( path_name, libname->Buffer, flags, &wm );
1658 if (nts == STATUS_SUCCESS && !(wm->ldr.Flags & LDR_DONT_RESOLVE_REFS))
1660 nts = process_attach( wm, NULL );
1661 if (nts != STATUS_SUCCESS)
1663 WARN("Attach failed for module %s\n", debugstr_w(libname->Buffer));
1664 LdrUnloadDll(wm->ldr.BaseAddress);
1668 *hModule = (wm) ? wm->ldr.BaseAddress : NULL;
1670 RtlLeaveCriticalSection( &loader_section );
1674 /******************************************************************
1675 * LdrQueryProcessModuleInformation
1678 NTSTATUS WINAPI LdrQueryProcessModuleInformation(PSYSTEM_MODULE_INFORMATION smi,
1679 ULONG buf_size, ULONG* req_size)
1681 SYSTEM_MODULE* sm = &smi->Modules[0];
1682 ULONG size = sizeof(ULONG);
1683 NTSTATUS nts = STATUS_SUCCESS;
1686 PLIST_ENTRY mark, entry;
1689 smi->ModulesCount = 0;
1691 RtlEnterCriticalSection( &loader_section );
1692 mark = &NtCurrentTeb()->Peb->LdrData->InLoadOrderModuleList;
1693 for (entry = mark->Flink; entry != mark; entry = entry->Flink)
1695 mod = CONTAINING_RECORD(entry, LDR_MODULE, InLoadOrderModuleList);
1696 size += sizeof(*sm);
1697 if (size <= buf_size)
1699 sm->Reserved1 = 0; /* FIXME */
1700 sm->Reserved2 = 0; /* FIXME */
1701 sm->ImageBaseAddress = mod->BaseAddress;
1702 sm->ImageSize = mod->SizeOfImage;
1703 sm->Flags = mod->Flags;
1704 sm->Id = 0; /* FIXME */
1705 sm->Rank = 0; /* FIXME */
1706 sm->Unknown = 0; /* FIXME */
1708 str.MaximumLength = MAXIMUM_FILENAME_LENGTH;
1709 str.Buffer = sm->Name;
1710 RtlUnicodeStringToAnsiString(&str, &mod->FullDllName, FALSE);
1711 ptr = strrchr(sm->Name, '\\');
1712 sm->NameOffset = (ptr != NULL) ? (ptr - (char*)sm->Name + 1) : 0;
1714 smi->ModulesCount++;
1717 else nts = STATUS_INFO_LENGTH_MISMATCH;
1719 RtlLeaveCriticalSection( &loader_section );
1721 if (req_size) *req_size = size;
1726 /******************************************************************
1727 * LdrShutdownProcess (NTDLL.@)
1730 void WINAPI LdrShutdownProcess(void)
1733 process_detach( TRUE, (LPVOID)1 );
1736 /******************************************************************
1737 * LdrShutdownThread (NTDLL.@)
1740 void WINAPI LdrShutdownThread(void)
1742 PLIST_ENTRY mark, entry;
1747 /* don't do any detach calls if process is exiting */
1748 if (process_detaching) return;
1749 /* FIXME: there is still a race here */
1751 RtlEnterCriticalSection( &loader_section );
1753 mark = &NtCurrentTeb()->Peb->LdrData->InInitializationOrderModuleList;
1754 for (entry = mark->Blink; entry != mark; entry = entry->Blink)
1756 mod = CONTAINING_RECORD(entry, LDR_MODULE,
1757 InInitializationOrderModuleList);
1758 if ( !(mod->Flags & LDR_PROCESS_ATTACHED) )
1760 if ( mod->Flags & LDR_NO_DLL_CALLS )
1763 MODULE_InitDLL( CONTAINING_RECORD(mod, WINE_MODREF, ldr),
1764 DLL_THREAD_DETACH, NULL );
1767 RtlLeaveCriticalSection( &loader_section );
1770 /***********************************************************************
1771 * MODULE_FlushModrefs
1773 * Remove all unused modrefs and call the internal unloading routines
1774 * for the library type.
1776 * The loader_section must be locked while calling this function.
1778 static void MODULE_FlushModrefs(void)
1780 PLIST_ENTRY mark, entry, prev;
1784 mark = &NtCurrentTeb()->Peb->LdrData->InInitializationOrderModuleList;
1785 for (entry = mark->Blink; entry != mark; entry = prev)
1787 mod = CONTAINING_RECORD(entry, LDR_MODULE,
1788 InInitializationOrderModuleList);
1789 wm = CONTAINING_RECORD(mod, WINE_MODREF, ldr);
1791 prev = entry->Blink;
1792 if (mod->LoadCount) continue;
1794 RemoveEntryList(&mod->InLoadOrderModuleList);
1795 RemoveEntryList(&mod->InMemoryOrderModuleList);
1796 RemoveEntryList(&mod->InInitializationOrderModuleList);
1798 TRACE(" unloading %s\n", debugstr_w(mod->FullDllName.Buffer));
1799 if (!TRACE_ON(module))
1800 TRACE_(loaddll)("Unloaded module %s : %s\n",
1801 debugstr_w(mod->FullDllName.Buffer),
1802 (wm->ldr.Flags & LDR_WINE_INTERNAL) ? "builtin" : "native" );
1804 SERVER_START_REQ( unload_dll )
1806 req->base = mod->BaseAddress;
1807 wine_server_call( req );
1811 NtUnmapViewOfSection( NtCurrentProcess(), mod->BaseAddress );
1812 if (wm->ldr.Flags & LDR_WINE_INTERNAL) wine_dll_unload( wm->ldr.SectionHandle );
1813 if (cached_modref == wm) cached_modref = NULL;
1814 RtlFreeUnicodeString( &mod->FullDllName );
1815 RtlFreeHeap( GetProcessHeap(), 0, wm->deps );
1816 RtlFreeHeap( GetProcessHeap(), 0, wm );
1820 /***********************************************************************
1821 * MODULE_DecRefCount
1823 * The loader_section must be locked while calling this function.
1825 static void MODULE_DecRefCount( WINE_MODREF *wm )
1829 if ( wm->ldr.Flags & LDR_UNLOAD_IN_PROGRESS )
1832 if ( wm->ldr.LoadCount <= 0 )
1835 --wm->ldr.LoadCount;
1836 TRACE("(%s) ldr.LoadCount: %d\n", debugstr_w(wm->ldr.BaseDllName.Buffer), wm->ldr.LoadCount );
1838 if ( wm->ldr.LoadCount == 0 )
1840 wm->ldr.Flags |= LDR_UNLOAD_IN_PROGRESS;
1842 for ( i = 0; i < wm->nDeps; i++ )
1844 MODULE_DecRefCount( wm->deps[i] );
1846 wm->ldr.Flags &= ~LDR_UNLOAD_IN_PROGRESS;
1850 /******************************************************************
1851 * LdrUnloadDll (NTDLL.@)
1855 NTSTATUS WINAPI LdrUnloadDll( HMODULE hModule )
1857 NTSTATUS retv = STATUS_SUCCESS;
1859 TRACE("(%p)\n", hModule);
1861 RtlEnterCriticalSection( &loader_section );
1863 /* if we're stopping the whole process (and forcing the removal of all
1864 * DLLs) the library will be freed anyway
1866 if (!process_detaching)
1871 if ((wm = get_modref( hModule )) != NULL)
1873 TRACE("(%s) - START\n", debugstr_w(wm->ldr.BaseDllName.Buffer));
1875 /* Recursively decrement reference counts */
1876 MODULE_DecRefCount( wm );
1878 /* Call process detach notifications */
1879 if ( free_lib_count <= 1 )
1881 process_detach( FALSE, NULL );
1882 MODULE_FlushModrefs();
1888 retv = STATUS_DLL_NOT_FOUND;
1893 RtlLeaveCriticalSection( &loader_section );
1898 /***********************************************************************
1899 * RtlImageNtHeader (NTDLL.@)
1901 PIMAGE_NT_HEADERS WINAPI RtlImageNtHeader(HMODULE hModule)
1903 IMAGE_NT_HEADERS *ret;
1907 IMAGE_DOS_HEADER *dos = (IMAGE_DOS_HEADER *)hModule;
1910 if (dos->e_magic == IMAGE_DOS_SIGNATURE)
1912 ret = (IMAGE_NT_HEADERS *)((char *)dos + dos->e_lfanew);
1913 if (ret->Signature != IMAGE_NT_SIGNATURE) ret = NULL;
1916 __EXCEPT(page_fault)
1925 /******************************************************************
1926 * LdrInitializeThunk (NTDLL.@)
1928 * FIXME: the arguments are not correct, main_file is a Wine invention.
1930 void WINAPI LdrInitializeThunk( HANDLE main_file, ULONG unknown2, ULONG unknown3, ULONG unknown4 )
1935 PEB *peb = NtCurrentTeb()->Peb;
1936 UNICODE_STRING *main_exe_name = &peb->ProcessParameters->ImagePathName;
1937 IMAGE_NT_HEADERS *nt = RtlImageNtHeader( peb->ImageBaseAddress );
1939 /* allocate the modref for the main exe */
1940 if (!(wm = alloc_module( peb->ImageBaseAddress, main_exe_name->Buffer )))
1942 status = STATUS_NO_MEMORY;
1945 wm->ldr.LoadCount = -1; /* can't unload main exe */
1947 /* the main exe needs to be the first in the load order list */
1948 RemoveEntryList( &wm->ldr.InLoadOrderModuleList );
1949 InsertHeadList( &peb->LdrData->InLoadOrderModuleList, &wm->ldr.InLoadOrderModuleList );
1951 /* Install signal handlers; this cannot be done before, since we cannot
1952 * send exceptions to the debugger before the create process event that
1953 * is sent by REQ_INIT_PROCESS_DONE.
1954 * We do need the handlers in place by the time the request is over, so
1955 * we set them up here. If we segfault between here and the server call
1956 * something is very wrong... */
1957 if (!SIGNAL_Init()) exit(1);
1959 /* Signal the parent process to continue */
1960 SERVER_START_REQ( init_process_done )
1962 req->module = peb->ImageBaseAddress;
1963 req->module_size = wm->ldr.SizeOfImage;
1964 req->entry = (char *)peb->ImageBaseAddress + nt->OptionalHeader.AddressOfEntryPoint;
1965 /* API requires a double indirection */
1966 req->name = &main_exe_name->Buffer;
1967 req->exe_file = main_file;
1968 req->gui = (nt->OptionalHeader.Subsystem != IMAGE_SUBSYSTEM_WINDOWS_CUI);
1969 wine_server_add_data( req, main_exe_name->Buffer, main_exe_name->Length );
1970 wine_server_call( req );
1974 if (main_file) NtClose( main_file ); /* we no longer need it */
1976 if (TRACE_ON(relay) || TRACE_ON(snoop))
1978 RELAY_InitDebugLists();
1980 if (TRACE_ON(relay)) /* setup relay for already loaded dlls */
1982 LIST_ENTRY *entry, *mark = &peb->LdrData->InLoadOrderModuleList;
1983 for (entry = mark->Flink; entry != mark; entry = entry->Flink)
1985 LDR_MODULE *mod = CONTAINING_RECORD(entry, LDR_MODULE, InLoadOrderModuleList);
1986 if (mod->Flags & LDR_WINE_INTERNAL) RELAY_SetupDLL( mod->BaseAddress );
1991 RtlEnterCriticalSection( &loader_section );
1993 load_path = NtCurrentTeb()->Peb->ProcessParameters->DllPath.Buffer;
1994 if ((status = fixup_imports( wm, load_path )) != STATUS_SUCCESS) goto error;
1995 if ((status = alloc_process_tls()) != STATUS_SUCCESS) goto error;
1996 if ((status = alloc_thread_tls()) != STATUS_SUCCESS) goto error;
1997 if ((status = process_attach( wm, (LPVOID)1 )) != STATUS_SUCCESS)
1999 if (last_failed_modref)
2000 ERR( "%s failed to initialize, aborting\n", debugstr_w(last_failed_modref->ldr.BaseDllName.Buffer) + 1 );
2004 RtlLeaveCriticalSection( &loader_section );
2006 if (nt->FileHeader.Characteristics & IMAGE_FILE_LARGE_ADDRESS_AWARE) VIRTUAL_UseLargeAddressSpace();
2010 ERR( "Main exe initialization for %s failed, status %lx\n", debugstr_w(main_exe_name->Buffer), status );
2015 /***********************************************************************
2016 * RtlImageDirectoryEntryToData (NTDLL.@)
2018 PVOID WINAPI RtlImageDirectoryEntryToData( HMODULE module, BOOL image, WORD dir, ULONG *size )
2020 const IMAGE_NT_HEADERS *nt;
2023 if ((ULONG_PTR)module & 1) /* mapped as data file */
2025 module = (HMODULE)((ULONG_PTR)module & ~1);
2028 if (!(nt = RtlImageNtHeader( module ))) return NULL;
2029 if (dir >= nt->OptionalHeader.NumberOfRvaAndSizes) return NULL;
2030 if (!(addr = nt->OptionalHeader.DataDirectory[dir].VirtualAddress)) return NULL;
2031 *size = nt->OptionalHeader.DataDirectory[dir].Size;
2032 if (image || addr < nt->OptionalHeader.SizeOfHeaders) return (char *)module + addr;
2034 /* not mapped as image, need to find the section containing the virtual address */
2035 return RtlImageRvaToVa( nt, module, addr, NULL );
2039 /***********************************************************************
2040 * RtlImageRvaToSection (NTDLL.@)
2042 PIMAGE_SECTION_HEADER WINAPI RtlImageRvaToSection( const IMAGE_NT_HEADERS *nt,
2043 HMODULE module, DWORD rva )
2046 const IMAGE_SECTION_HEADER *sec;
2048 sec = (const IMAGE_SECTION_HEADER*)((const char*)&nt->OptionalHeader +
2049 nt->FileHeader.SizeOfOptionalHeader);
2050 for (i = 0; i < nt->FileHeader.NumberOfSections; i++, sec++)
2052 if ((sec->VirtualAddress <= rva) && (sec->VirtualAddress + sec->SizeOfRawData > rva))
2053 return (PIMAGE_SECTION_HEADER)sec;
2059 /***********************************************************************
2060 * RtlImageRvaToVa (NTDLL.@)
2062 PVOID WINAPI RtlImageRvaToVa( const IMAGE_NT_HEADERS *nt, HMODULE module,
2063 DWORD rva, IMAGE_SECTION_HEADER **section )
2065 IMAGE_SECTION_HEADER *sec;
2067 if (section && *section) /* try this section first */
2070 if ((sec->VirtualAddress <= rva) && (sec->VirtualAddress + sec->SizeOfRawData > rva))
2073 if (!(sec = RtlImageRvaToSection( nt, module, rva ))) return NULL;
2075 if (section) *section = sec;
2076 return (char *)module + sec->PointerToRawData + (rva - sec->VirtualAddress);
2080 /***********************************************************************
2081 * NtLoadDriver (NTDLL.@)
2082 * ZwLoadDriver (NTDLL.@)
2084 NTSTATUS WINAPI NtLoadDriver( const UNICODE_STRING *DriverServiceName )
2086 FIXME("(%p), stub!\n",DriverServiceName);
2087 return STATUS_NOT_IMPLEMENTED;
2091 /***********************************************************************
2092 * NtUnloadDriver (NTDLL.@)
2093 * ZwUnloadDriver (NTDLL.@)
2095 NTSTATUS WINAPI NtUnloadDriver( const UNICODE_STRING *DriverServiceName )
2097 FIXME("(%p), stub!\n",DriverServiceName);
2098 return STATUS_NOT_IMPLEMENTED;
2102 /******************************************************************
2103 * __wine_init_windows_dir (NTDLL.@)
2105 * Windows and system dir initialization once kernel32 has been loaded.
2107 void __wine_init_windows_dir( const WCHAR *windir, const WCHAR *sysdir )
2109 PLIST_ENTRY mark, entry;
2112 RtlCreateUnicodeString( &system_dir, sysdir );
2114 /* prepend the system dir to the name of the already created modules */
2115 mark = &NtCurrentTeb()->Peb->LdrData->InLoadOrderModuleList;
2116 for (entry = mark->Flink; entry != mark; entry = entry->Flink)
2118 LDR_MODULE *mod = CONTAINING_RECORD( entry, LDR_MODULE, InLoadOrderModuleList );
2120 assert( mod->Flags & LDR_WINE_INTERNAL );
2122 buffer = RtlAllocateHeap( GetProcessHeap(), 0,
2123 system_dir.Length + mod->FullDllName.Length + 2*sizeof(WCHAR) );
2124 if (!buffer) continue;
2125 strcpyW( buffer, system_dir.Buffer );
2126 p = buffer + strlenW( buffer );
2127 if (p > buffer && p[-1] != '\\') *p++ = '\\';
2128 strcpyW( p, mod->FullDllName.Buffer );
2129 RtlInitUnicodeString( &mod->FullDllName, buffer );
2130 RtlInitUnicodeString( &mod->BaseDllName, p );
2135 /***********************************************************************
2136 * __wine_process_init
2138 void __wine_process_init( int argc, char *argv[] )
2140 static const WCHAR kernel32W[] = {'k','e','r','n','e','l','3','2','.','d','l','l',0};
2144 ANSI_STRING func_name;
2145 void (* DECLSPEC_NORETURN init_func)();
2146 extern mode_t FILE_umask;
2150 /* retrieve current umask */
2151 FILE_umask = umask(0777);
2152 umask( FILE_umask );
2154 /* setup the load callback and create ntdll modref */
2155 wine_dll_set_callback( load_builtin_callback );
2157 if ((status = load_builtin_dll( NULL, kernel32W, 0, &wm )) != STATUS_SUCCESS)
2159 MESSAGE( "wine: could not load kernel32.dll, status %lx\n", status );
2162 RtlInitAnsiString( &func_name, "__wine_kernel_init" );
2163 if ((status = LdrGetProcedureAddress( wm->ldr.BaseAddress, &func_name,
2164 0, (void **)&init_func )) != STATUS_SUCCESS)
2166 MESSAGE( "wine: could not find __wine_kernel_init in kernel32.dll, status %lx\n", status );