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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
23 #include "wine/port.h"
28 #define NONAMELESSUNION
29 #define NONAMELESSSTRUCT
32 #define WIN32_NO_STATUS
37 #include "wine/exception.h"
38 #include "wine/library.h"
39 #include "wine/unicode.h"
40 #include "wine/debug.h"
41 #include "wine/server.h"
42 #include "ntdll_misc.h"
45 WINE_DEFAULT_DEBUG_CHANNEL(module
);
46 WINE_DECLARE_DEBUG_CHANNEL(relay
);
47 WINE_DECLARE_DEBUG_CHANNEL(snoop
);
48 WINE_DECLARE_DEBUG_CHANNEL(loaddll
);
49 WINE_DECLARE_DEBUG_CHANNEL(imports
);
51 /* we don't want to include winuser.h */
52 #define RT_MANIFEST ((ULONG_PTR)24)
53 #define ISOLATIONAWARE_MANIFEST_RESOURCE_ID ((ULONG_PTR)2)
55 typedef DWORD (CALLBACK
*DLLENTRYPROC
)(HMODULE
,DWORD
,LPVOID
);
57 static int process_detaching
= 0; /* set on process detach to avoid deadlocks with thread detach */
58 static int free_lib_count
; /* recursion depth of LdrUnloadDll calls */
60 static const char * const reason_names
[] =
66 NULL
, NULL
, NULL
, NULL
,
70 static const WCHAR dllW
[] = {'.','d','l','l',0};
72 /* internal representation of 32bit modules. per process. */
73 typedef struct _wine_modref
77 struct _wine_modref
**deps
;
80 /* info about the current builtin dll load */
81 /* used to keep track of things across the register_dll constructor call */
82 struct builtin_load_info
84 const WCHAR
*load_path
;
85 const WCHAR
*filename
;
90 static struct builtin_load_info default_load_info
;
91 static struct builtin_load_info
*builtin_load_info
= &default_load_info
;
93 static HANDLE main_exe_file
;
94 static UINT tls_module_count
; /* number of modules with TLS directory */
95 static UINT tls_total_size
; /* total size of TLS storage */
96 static const IMAGE_TLS_DIRECTORY
**tls_dirs
; /* array of TLS directories */
98 UNICODE_STRING windows_dir
= { 0, 0, NULL
}; /* windows directory */
99 UNICODE_STRING system_dir
= { 0, 0, NULL
}; /* system directory */
101 static RTL_CRITICAL_SECTION loader_section
;
102 static RTL_CRITICAL_SECTION_DEBUG critsect_debug
=
104 0, 0, &loader_section
,
105 { &critsect_debug
.ProcessLocksList
, &critsect_debug
.ProcessLocksList
},
106 0, 0, { (DWORD_PTR
)(__FILE__
": loader_section") }
108 static RTL_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 static inline void *get_rva( HMODULE module
, DWORD va
)
121 return (void *)((char *)module
+ va
);
124 /* check whether the file name contains a path */
125 static inline 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 static inline 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
,
153 "movl 8(%ebp),%eax\n\t"
155 "leal -4(%ebp),%esp\n\t"
160 static inline BOOL
call_dll_entry_point( DLLENTRYPROC proc
, void *module
,
161 UINT reason
, void *reserved
)
163 return proc( module
, reason
, reserved
);
165 #endif /* __i386__ */
169 /*************************************************************************
172 * Entry point for stub functions.
174 static void stub_entry_point( const char *dll
, const char *name
, ... )
176 EXCEPTION_RECORD rec
;
178 rec
.ExceptionCode
= EXCEPTION_WINE_STUB
;
179 rec
.ExceptionFlags
= EH_NONCONTINUABLE
;
180 rec
.ExceptionRecord
= NULL
;
182 rec
.ExceptionAddress
= __builtin_return_address(0);
184 rec
.ExceptionAddress
= *((void **)&dll
- 1);
186 rec
.NumberParameters
= 2;
187 rec
.ExceptionInformation
[0] = (ULONG_PTR
)dll
;
188 rec
.ExceptionInformation
[1] = (ULONG_PTR
)name
;
189 for (;;) RtlRaiseException( &rec
);
193 #include "pshpack1.h"
196 BYTE popl_eax
; /* popl %eax */
197 BYTE pushl1
; /* pushl $name */
199 BYTE pushl2
; /* pushl $dll */
201 BYTE pushl_eax
; /* pushl %eax */
202 BYTE jmp
; /* jmp stub_entry_point */
207 /*************************************************************************
210 * Allocate a stub entry point.
212 static ULONG_PTR
allocate_stub( const char *dll
, const char *name
)
214 #define MAX_SIZE 65536
215 static struct stub
*stubs
;
216 static unsigned int nb_stubs
;
219 if (nb_stubs
>= MAX_SIZE
/ sizeof(*stub
)) return 0xdeadbeef;
223 SIZE_T size
= MAX_SIZE
;
224 if (NtAllocateVirtualMemory( NtCurrentProcess(), (void **)&stubs
, 0, &size
,
225 MEM_COMMIT
, PAGE_EXECUTE_WRITECOPY
) != STATUS_SUCCESS
)
228 stub
= &stubs
[nb_stubs
++];
229 stub
->popl_eax
= 0x58; /* popl %eax */
230 stub
->pushl1
= 0x68; /* pushl $name */
232 stub
->pushl2
= 0x68; /* pushl $dll */
234 stub
->pushl_eax
= 0x50; /* pushl %eax */
235 stub
->jmp
= 0xe9; /* jmp stub_entry_point */
236 stub
->entry
= (BYTE
*)stub_entry_point
- (BYTE
*)(&stub
->entry
+ 1);
237 return (ULONG_PTR
)stub
;
241 static inline ULONG_PTR
allocate_stub( const char *dll
, const char *name
) { return 0xdeadbeef; }
242 #endif /* __i386__ */
245 /*************************************************************************
248 * Looks for the referenced HMODULE in the current process
249 * The loader_section must be locked while calling this function.
251 static WINE_MODREF
*get_modref( HMODULE hmod
)
253 PLIST_ENTRY mark
, entry
;
256 if (cached_modref
&& cached_modref
->ldr
.BaseAddress
== hmod
) return cached_modref
;
258 mark
= &NtCurrentTeb()->Peb
->LdrData
->InMemoryOrderModuleList
;
259 for (entry
= mark
->Flink
; entry
!= mark
; entry
= entry
->Flink
)
261 mod
= CONTAINING_RECORD(entry
, LDR_MODULE
, InMemoryOrderModuleList
);
262 if (mod
->BaseAddress
== hmod
)
263 return cached_modref
= CONTAINING_RECORD(mod
, WINE_MODREF
, ldr
);
264 if (mod
->BaseAddress
> (void*)hmod
) break;
270 /**********************************************************************
271 * find_basename_module
273 * Find a module from its base name.
274 * The loader_section must be locked while calling this function
276 static WINE_MODREF
*find_basename_module( LPCWSTR name
)
278 PLIST_ENTRY mark
, entry
;
280 if (cached_modref
&& !strcmpiW( name
, cached_modref
->ldr
.BaseDllName
.Buffer
))
281 return cached_modref
;
283 mark
= &NtCurrentTeb()->Peb
->LdrData
->InLoadOrderModuleList
;
284 for (entry
= mark
->Flink
; entry
!= mark
; entry
= entry
->Flink
)
286 LDR_MODULE
*mod
= CONTAINING_RECORD(entry
, LDR_MODULE
, InLoadOrderModuleList
);
287 if (!strcmpiW( name
, mod
->BaseDllName
.Buffer
))
289 cached_modref
= CONTAINING_RECORD(mod
, WINE_MODREF
, ldr
);
290 return cached_modref
;
297 /**********************************************************************
298 * find_fullname_module
300 * Find a module from its full path name.
301 * The loader_section must be locked while calling this function
303 static WINE_MODREF
*find_fullname_module( LPCWSTR name
)
305 PLIST_ENTRY mark
, entry
;
307 if (cached_modref
&& !strcmpiW( name
, cached_modref
->ldr
.FullDllName
.Buffer
))
308 return cached_modref
;
310 mark
= &NtCurrentTeb()->Peb
->LdrData
->InLoadOrderModuleList
;
311 for (entry
= mark
->Flink
; entry
!= mark
; entry
= entry
->Flink
)
313 LDR_MODULE
*mod
= CONTAINING_RECORD(entry
, LDR_MODULE
, InLoadOrderModuleList
);
314 if (!strcmpiW( name
, mod
->FullDllName
.Buffer
))
316 cached_modref
= CONTAINING_RECORD(mod
, WINE_MODREF
, ldr
);
317 return cached_modref
;
324 /*************************************************************************
325 * find_forwarded_export
327 * Find the final function pointer for a forwarded function.
328 * The loader_section must be locked while calling this function.
330 static FARPROC
find_forwarded_export( HMODULE module
, const char *forward
)
332 const IMAGE_EXPORT_DIRECTORY
*exports
;
336 const char *end
= strrchr(forward
, '.');
339 if (!end
) return NULL
;
340 if ((end
- forward
) * sizeof(WCHAR
) >= sizeof(mod_name
)) return NULL
;
341 ascii_to_unicode( mod_name
, forward
, end
- forward
);
342 mod_name
[end
- forward
] = 0;
343 if (!strchrW( mod_name
, '.' ))
345 if ((end
- forward
) * sizeof(WCHAR
) >= sizeof(mod_name
) - sizeof(dllW
)) return NULL
;
346 memcpy( mod_name
+ (end
- forward
), dllW
, sizeof(dllW
) );
349 if (!(wm
= find_basename_module( mod_name
)))
351 ERR("module not found for forward '%s' used by %s\n",
352 forward
, debugstr_w(get_modref(module
)->ldr
.FullDllName
.Buffer
) );
355 if ((exports
= RtlImageDirectoryEntryToData( wm
->ldr
.BaseAddress
, TRUE
,
356 IMAGE_DIRECTORY_ENTRY_EXPORT
, &exp_size
)))
357 proc
= find_named_export( wm
->ldr
.BaseAddress
, exports
, exp_size
, end
+ 1, -1 );
361 ERR("function not found for forward '%s' used by %s."
362 " If you are using builtin %s, try using the native one instead.\n",
363 forward
, debugstr_w(get_modref(module
)->ldr
.FullDllName
.Buffer
),
364 debugstr_w(get_modref(module
)->ldr
.BaseDllName
.Buffer
) );
370 /*************************************************************************
371 * find_ordinal_export
373 * Find an exported function by ordinal.
374 * The exports base must have been subtracted from the ordinal already.
375 * The loader_section must be locked while calling this function.
377 static FARPROC
find_ordinal_export( HMODULE module
, const IMAGE_EXPORT_DIRECTORY
*exports
,
378 DWORD exp_size
, DWORD ordinal
)
381 const DWORD
*functions
= get_rva( module
, exports
->AddressOfFunctions
);
383 if (ordinal
>= exports
->NumberOfFunctions
)
385 TRACE(" ordinal %d out of range!\n", ordinal
+ exports
->Base
);
388 if (!functions
[ordinal
]) return NULL
;
390 proc
= get_rva( module
, functions
[ordinal
] );
392 /* if the address falls into the export dir, it's a forward */
393 if (((const char *)proc
>= (const char *)exports
) &&
394 ((const char *)proc
< (const char *)exports
+ exp_size
))
395 return find_forwarded_export( module
, (const char *)proc
);
399 const WCHAR
*user
= current_modref
? current_modref
->ldr
.BaseDllName
.Buffer
: NULL
;
400 proc
= SNOOP_GetProcAddress( module
, exports
, exp_size
, proc
, ordinal
, user
);
404 const WCHAR
*user
= current_modref
? current_modref
->ldr
.BaseDllName
.Buffer
: NULL
;
405 proc
= RELAY_GetProcAddress( module
, exports
, exp_size
, proc
, ordinal
, user
);
411 /*************************************************************************
414 * Find an exported function by name.
415 * The loader_section must be locked while calling this function.
417 static FARPROC
find_named_export( HMODULE module
, const IMAGE_EXPORT_DIRECTORY
*exports
,
418 DWORD exp_size
, const char *name
, int hint
)
420 const WORD
*ordinals
= get_rva( module
, exports
->AddressOfNameOrdinals
);
421 const DWORD
*names
= get_rva( module
, exports
->AddressOfNames
);
422 int min
= 0, max
= exports
->NumberOfNames
- 1;
424 /* first check the hint */
425 if (hint
>= 0 && hint
<= max
)
427 char *ename
= get_rva( module
, names
[hint
] );
428 if (!strcmp( ename
, name
))
429 return find_ordinal_export( module
, exports
, exp_size
, ordinals
[hint
] );
432 /* then do a binary search */
435 int res
, pos
= (min
+ max
) / 2;
436 char *ename
= get_rva( module
, names
[pos
] );
437 if (!(res
= strcmp( ename
, name
)))
438 return find_ordinal_export( module
, exports
, exp_size
, ordinals
[pos
] );
439 if (res
> 0) max
= pos
- 1;
447 /*************************************************************************
450 * Import the dll specified by the given import descriptor.
451 * The loader_section must be locked while calling this function.
453 static WINE_MODREF
*import_dll( HMODULE module
, const IMAGE_IMPORT_DESCRIPTOR
*descr
, LPCWSTR load_path
)
458 const IMAGE_EXPORT_DIRECTORY
*exports
;
460 const IMAGE_THUNK_DATA
*import_list
;
461 IMAGE_THUNK_DATA
*thunk_list
;
463 const char *name
= get_rva( module
, descr
->Name
);
464 DWORD len
= strlen(name
);
466 SIZE_T protect_size
= 0;
469 thunk_list
= get_rva( module
, (DWORD
)descr
->FirstThunk
);
470 if (descr
->u
.OriginalFirstThunk
)
471 import_list
= get_rva( module
, (DWORD
)descr
->u
.OriginalFirstThunk
);
473 import_list
= thunk_list
;
475 while (len
&& name
[len
-1] == ' ') len
--; /* remove trailing spaces */
477 if (len
* sizeof(WCHAR
) < sizeof(buffer
))
479 ascii_to_unicode( buffer
, name
, len
);
481 status
= load_dll( load_path
, buffer
, 0, &wmImp
);
483 else /* need to allocate a larger buffer */
485 WCHAR
*ptr
= RtlAllocateHeap( GetProcessHeap(), 0, (len
+ 1) * sizeof(WCHAR
) );
486 if (!ptr
) return NULL
;
487 ascii_to_unicode( ptr
, name
, len
);
489 status
= load_dll( load_path
, ptr
, 0, &wmImp
);
490 RtlFreeHeap( GetProcessHeap(), 0, ptr
);
495 if (status
== STATUS_DLL_NOT_FOUND
)
496 ERR("Library %s (which is needed by %s) not found\n",
497 name
, debugstr_w(current_modref
->ldr
.FullDllName
.Buffer
));
499 ERR("Loading library %s (which is needed by %s) failed (error %x).\n",
500 name
, debugstr_w(current_modref
->ldr
.FullDllName
.Buffer
), status
);
504 /* unprotect the import address table since it can be located in
505 * readonly section */
506 while (import_list
[protect_size
].u1
.Ordinal
) protect_size
++;
507 protect_base
= thunk_list
;
508 protect_size
*= sizeof(*thunk_list
);
509 NtProtectVirtualMemory( NtCurrentProcess(), &protect_base
,
510 &protect_size
, PAGE_WRITECOPY
, &protect_old
);
512 imp_mod
= wmImp
->ldr
.BaseAddress
;
513 exports
= RtlImageDirectoryEntryToData( imp_mod
, TRUE
, IMAGE_DIRECTORY_ENTRY_EXPORT
, &exp_size
);
517 /* set all imported function to deadbeef */
518 while (import_list
->u1
.Ordinal
)
520 if (IMAGE_SNAP_BY_ORDINAL(import_list
->u1
.Ordinal
))
522 int ordinal
= IMAGE_ORDINAL(import_list
->u1
.Ordinal
);
523 WARN("No implementation for %s.%d", name
, ordinal
);
524 thunk_list
->u1
.Function
= allocate_stub( name
, IntToPtr(ordinal
) );
528 IMAGE_IMPORT_BY_NAME
*pe_name
= get_rva( module
, (DWORD
)import_list
->u1
.AddressOfData
);
529 WARN("No implementation for %s.%s", name
, pe_name
->Name
);
530 thunk_list
->u1
.Function
= allocate_stub( name
, (const char*)pe_name
->Name
);
532 WARN(" imported from %s, allocating stub %p\n",
533 debugstr_w(current_modref
->ldr
.FullDllName
.Buffer
),
534 (void *)thunk_list
->u1
.Function
);
541 while (import_list
->u1
.Ordinal
)
543 if (IMAGE_SNAP_BY_ORDINAL(import_list
->u1
.Ordinal
))
545 int ordinal
= IMAGE_ORDINAL(import_list
->u1
.Ordinal
);
547 thunk_list
->u1
.Function
= (ULONG_PTR
)find_ordinal_export( imp_mod
, exports
, exp_size
,
548 ordinal
- exports
->Base
);
549 if (!thunk_list
->u1
.Function
)
551 thunk_list
->u1
.Function
= allocate_stub( name
, IntToPtr(ordinal
) );
552 WARN("No implementation for %s.%d imported from %s, setting to %p\n",
553 name
, ordinal
, debugstr_w(current_modref
->ldr
.FullDllName
.Buffer
),
554 (void *)thunk_list
->u1
.Function
);
556 TRACE_(imports
)("--- Ordinal %s.%d = %p\n", name
, ordinal
, (void *)thunk_list
->u1
.Function
);
558 else /* import by name */
560 IMAGE_IMPORT_BY_NAME
*pe_name
;
561 pe_name
= get_rva( module
, (DWORD
)import_list
->u1
.AddressOfData
);
562 thunk_list
->u1
.Function
= (ULONG_PTR
)find_named_export( imp_mod
, exports
, exp_size
,
563 (const char*)pe_name
->Name
, pe_name
->Hint
);
564 if (!thunk_list
->u1
.Function
)
566 thunk_list
->u1
.Function
= allocate_stub( name
, (const char*)pe_name
->Name
);
567 WARN("No implementation for %s.%s imported from %s, setting to %p\n",
568 name
, pe_name
->Name
, debugstr_w(current_modref
->ldr
.FullDllName
.Buffer
),
569 (void *)thunk_list
->u1
.Function
);
571 TRACE_(imports
)("--- %s %s.%d = %p\n",
572 pe_name
->Name
, name
, pe_name
->Hint
, (void *)thunk_list
->u1
.Function
);
579 /* restore old protection of the import address table */
580 NtProtectVirtualMemory( NtCurrentProcess(), &protect_base
, &protect_size
, protect_old
, NULL
);
585 /***********************************************************************
586 * create_module_activation_context
588 static NTSTATUS
create_module_activation_context( LDR_MODULE
*module
)
591 LDR_RESOURCE_INFO info
;
592 const IMAGE_RESOURCE_DATA_ENTRY
*entry
;
594 info
.Type
= RT_MANIFEST
;
595 info
.Name
= ISOLATIONAWARE_MANIFEST_RESOURCE_ID
;
597 if (!(status
= LdrFindResource_U( module
->BaseAddress
, &info
, 3, &entry
)))
600 ctx
.cbSize
= sizeof(ctx
);
602 ctx
.dwFlags
= ACTCTX_FLAG_RESOURCE_NAME_VALID
| ACTCTX_FLAG_HMODULE_VALID
;
603 ctx
.hModule
= module
->BaseAddress
;
604 ctx
.lpResourceName
= (LPCWSTR
)ISOLATIONAWARE_MANIFEST_RESOURCE_ID
;
605 status
= RtlCreateActivationContext( &module
->ActivationContext
, &ctx
);
611 /****************************************************************
614 * Fixup all imports of a given module.
615 * The loader_section must be locked while calling this function.
617 static NTSTATUS
fixup_imports( WINE_MODREF
*wm
, LPCWSTR load_path
)
620 const IMAGE_IMPORT_DESCRIPTOR
*imports
;
626 if (!(wm
->ldr
.Flags
& LDR_DONT_RESOLVE_REFS
)) return STATUS_SUCCESS
; /* already done */
627 wm
->ldr
.Flags
&= ~LDR_DONT_RESOLVE_REFS
;
629 if (!(imports
= RtlImageDirectoryEntryToData( wm
->ldr
.BaseAddress
, TRUE
,
630 IMAGE_DIRECTORY_ENTRY_IMPORT
, &size
)))
631 return STATUS_SUCCESS
;
634 while (imports
[nb_imports
].Name
&& imports
[nb_imports
].FirstThunk
) nb_imports
++;
636 if (!nb_imports
) return STATUS_SUCCESS
; /* no imports */
638 if (!create_module_activation_context( &wm
->ldr
))
639 RtlActivateActivationContext( 0, wm
->ldr
.ActivationContext
, &cookie
);
641 /* Allocate module dependency list */
642 wm
->nDeps
= nb_imports
;
643 wm
->deps
= RtlAllocateHeap( GetProcessHeap(), 0, nb_imports
*sizeof(WINE_MODREF
*) );
645 /* load the imported modules. They are automatically
646 * added to the modref list of the process.
648 prev
= current_modref
;
650 status
= STATUS_SUCCESS
;
651 for (i
= 0; i
< nb_imports
; i
++)
653 if (!(wm
->deps
[i
] = import_dll( wm
->ldr
.BaseAddress
, &imports
[i
], load_path
)))
654 status
= STATUS_DLL_NOT_FOUND
;
656 current_modref
= prev
;
657 if (wm
->ldr
.ActivationContext
) RtlDeactivateActivationContext( 0, cookie
);
662 /*************************************************************************
665 * Allocate a WINE_MODREF structure and add it to the process list
666 * The loader_section must be locked while calling this function.
668 static WINE_MODREF
*alloc_module( HMODULE hModule
, LPCWSTR filename
)
672 const IMAGE_NT_HEADERS
*nt
= RtlImageNtHeader(hModule
);
673 PLIST_ENTRY entry
, mark
;
675 if (!(wm
= RtlAllocateHeap( GetProcessHeap(), 0, sizeof(*wm
) ))) return NULL
;
680 wm
->ldr
.BaseAddress
= hModule
;
681 wm
->ldr
.EntryPoint
= NULL
;
682 wm
->ldr
.SizeOfImage
= nt
->OptionalHeader
.SizeOfImage
;
683 wm
->ldr
.Flags
= LDR_DONT_RESOLVE_REFS
;
684 wm
->ldr
.LoadCount
= 1;
685 wm
->ldr
.TlsIndex
= -1;
686 wm
->ldr
.SectionHandle
= NULL
;
687 wm
->ldr
.CheckSum
= 0;
688 wm
->ldr
.TimeDateStamp
= 0;
689 wm
->ldr
.ActivationContext
= 0;
691 RtlCreateUnicodeString( &wm
->ldr
.FullDllName
, filename
);
692 if ((p
= strrchrW( wm
->ldr
.FullDllName
.Buffer
, '\\' ))) p
++;
693 else p
= wm
->ldr
.FullDllName
.Buffer
;
694 RtlInitUnicodeString( &wm
->ldr
.BaseDllName
, p
);
696 if (nt
->FileHeader
.Characteristics
& IMAGE_FILE_DLL
)
698 wm
->ldr
.Flags
|= LDR_IMAGE_IS_DLL
;
699 if (nt
->OptionalHeader
.AddressOfEntryPoint
)
700 wm
->ldr
.EntryPoint
= (char *)hModule
+ nt
->OptionalHeader
.AddressOfEntryPoint
;
703 InsertTailList(&NtCurrentTeb()->Peb
->LdrData
->InLoadOrderModuleList
,
704 &wm
->ldr
.InLoadOrderModuleList
);
706 /* insert module in MemoryList, sorted in increasing base addresses */
707 mark
= &NtCurrentTeb()->Peb
->LdrData
->InMemoryOrderModuleList
;
708 for (entry
= mark
->Flink
; entry
!= mark
; entry
= entry
->Flink
)
710 if (CONTAINING_RECORD(entry
, LDR_MODULE
, InMemoryOrderModuleList
)->BaseAddress
> wm
->ldr
.BaseAddress
)
713 entry
->Blink
->Flink
= &wm
->ldr
.InMemoryOrderModuleList
;
714 wm
->ldr
.InMemoryOrderModuleList
.Blink
= entry
->Blink
;
715 wm
->ldr
.InMemoryOrderModuleList
.Flink
= entry
;
716 entry
->Blink
= &wm
->ldr
.InMemoryOrderModuleList
;
718 /* wait until init is called for inserting into this list */
719 wm
->ldr
.InInitializationOrderModuleList
.Flink
= NULL
;
720 wm
->ldr
.InInitializationOrderModuleList
.Blink
= NULL
;
722 if (!(nt
->OptionalHeader
.DllCharacteristics
& IMAGE_DLLCHARACTERISTICS_NX_COMPAT
))
724 WARN( "disabling no-exec because of %s\n", debugstr_w(wm
->ldr
.BaseDllName
.Buffer
) );
725 VIRTUAL_SetForceExec( TRUE
);
731 /*************************************************************************
734 * Allocate the process-wide structure for module TLS storage.
736 static NTSTATUS
alloc_process_tls(void)
738 PLIST_ENTRY mark
, entry
;
740 const IMAGE_TLS_DIRECTORY
*dir
;
743 mark
= &NtCurrentTeb()->Peb
->LdrData
->InMemoryOrderModuleList
;
744 for (entry
= mark
->Flink
; entry
!= mark
; entry
= entry
->Flink
)
746 mod
= CONTAINING_RECORD(entry
, LDR_MODULE
, InMemoryOrderModuleList
);
747 if (!(dir
= RtlImageDirectoryEntryToData( mod
->BaseAddress
, TRUE
,
748 IMAGE_DIRECTORY_ENTRY_TLS
, &size
)))
750 size
= (dir
->EndAddressOfRawData
- dir
->StartAddressOfRawData
) + dir
->SizeOfZeroFill
;
752 tls_total_size
+= size
;
755 if (!tls_module_count
) return STATUS_SUCCESS
;
757 TRACE( "count %u size %u\n", tls_module_count
, tls_total_size
);
759 tls_dirs
= RtlAllocateHeap( GetProcessHeap(), 0, tls_module_count
* sizeof(*tls_dirs
) );
760 if (!tls_dirs
) return STATUS_NO_MEMORY
;
762 for (i
= 0, entry
= mark
->Flink
; entry
!= mark
; entry
= entry
->Flink
)
764 mod
= CONTAINING_RECORD(entry
, LDR_MODULE
, InMemoryOrderModuleList
);
765 if (!(dir
= RtlImageDirectoryEntryToData( mod
->BaseAddress
, TRUE
,
766 IMAGE_DIRECTORY_ENTRY_TLS
, &size
)))
769 *(DWORD
*)dir
->AddressOfIndex
= i
;
771 mod
->LoadCount
= -1; /* can't unload it */
774 return STATUS_SUCCESS
;
778 /*************************************************************************
781 * Allocate the per-thread structure for module TLS storage.
783 static NTSTATUS
alloc_thread_tls(void)
789 if (!tls_module_count
) return STATUS_SUCCESS
;
791 if (!(pointers
= RtlAllocateHeap( GetProcessHeap(), 0,
792 tls_module_count
* sizeof(*pointers
) )))
793 return STATUS_NO_MEMORY
;
795 if (!(data
= RtlAllocateHeap( GetProcessHeap(), 0, tls_total_size
)))
797 RtlFreeHeap( GetProcessHeap(), 0, pointers
);
798 return STATUS_NO_MEMORY
;
801 for (i
= 0; i
< tls_module_count
; i
++)
803 const IMAGE_TLS_DIRECTORY
*dir
= tls_dirs
[i
];
804 ULONG size
= dir
->EndAddressOfRawData
- dir
->StartAddressOfRawData
;
806 TRACE( "thread %04x idx %d: %d/%d bytes from %p to %p\n",
807 GetCurrentThreadId(), i
, size
, dir
->SizeOfZeroFill
,
808 (void *)dir
->StartAddressOfRawData
, data
);
811 memcpy( data
, (void *)dir
->StartAddressOfRawData
, size
);
813 memset( data
, 0, dir
->SizeOfZeroFill
);
814 data
+= dir
->SizeOfZeroFill
;
816 NtCurrentTeb()->ThreadLocalStoragePointer
= pointers
;
817 return STATUS_SUCCESS
;
821 /*************************************************************************
824 static void call_tls_callbacks( HMODULE module
, UINT reason
)
826 const IMAGE_TLS_DIRECTORY
*dir
;
827 const PIMAGE_TLS_CALLBACK
*callback
;
830 dir
= RtlImageDirectoryEntryToData( module
, TRUE
, IMAGE_DIRECTORY_ENTRY_TLS
, &dirsize
);
831 if (!dir
|| !dir
->AddressOfCallBacks
) return;
833 for (callback
= (const PIMAGE_TLS_CALLBACK
*)dir
->AddressOfCallBacks
; *callback
; callback
++)
836 DPRINTF("%04x:Call TLS callback (proc=%p,module=%p,reason=%s,reserved=0)\n",
837 GetCurrentThreadId(), *callback
, module
, reason_names
[reason
] );
840 (*callback
)( module
, reason
, NULL
);
845 DPRINTF("%04x:exception in TLS callback (proc=%p,module=%p,reason=%s,reserved=0)\n",
846 GetCurrentThreadId(), callback
, module
, reason_names
[reason
] );
851 DPRINTF("%04x:Ret TLS callback (proc=%p,module=%p,reason=%s,reserved=0)\n",
852 GetCurrentThreadId(), *callback
, module
, reason_names
[reason
] );
857 /*************************************************************************
860 static BOOL
MODULE_InitDLL( WINE_MODREF
*wm
, UINT reason
, LPVOID lpReserved
)
864 DLLENTRYPROC entry
= wm
->ldr
.EntryPoint
;
865 void *module
= wm
->ldr
.BaseAddress
;
867 /* Skip calls for modules loaded with special load flags */
869 if (wm
->ldr
.Flags
& LDR_DONT_RESOLVE_REFS
) return TRUE
;
870 if (wm
->ldr
.TlsIndex
!= -1) call_tls_callbacks( wm
->ldr
.BaseAddress
, reason
);
871 if (!entry
) return TRUE
;
875 size_t len
= min( wm
->ldr
.BaseDllName
.Length
, sizeof(mod_name
)-sizeof(WCHAR
) );
876 memcpy( mod_name
, wm
->ldr
.BaseDllName
.Buffer
, len
);
877 mod_name
[len
/ sizeof(WCHAR
)] = 0;
878 DPRINTF("%04x:Call PE DLL (proc=%p,module=%p %s,reason=%s,res=%p)\n",
879 GetCurrentThreadId(), entry
, module
, debugstr_w(mod_name
),
880 reason_names
[reason
], lpReserved
);
882 else TRACE("(%p %s,%s,%p) - CALL\n", module
, debugstr_w(wm
->ldr
.BaseDllName
.Buffer
),
883 reason_names
[reason
], lpReserved
);
885 retv
= call_dll_entry_point( entry
, module
, reason
, lpReserved
);
887 /* The state of the module list may have changed due to the call
888 to the dll. We cannot assume that this module has not been
891 DPRINTF("%04x:Ret PE DLL (proc=%p,module=%p %s,reason=%s,res=%p) retval=%x\n",
892 GetCurrentThreadId(), entry
, module
, debugstr_w(mod_name
),
893 reason_names
[reason
], lpReserved
, retv
);
894 else TRACE("(%p,%s,%p) - RETURN %d\n", module
, reason_names
[reason
], lpReserved
, retv
);
900 /*************************************************************************
903 * Send the process attach notification to all DLLs the given module
904 * depends on (recursively). This is somewhat complicated due to the fact that
906 * - we have to respect the module dependencies, i.e. modules implicitly
907 * referenced by another module have to be initialized before the module
908 * itself can be initialized
910 * - the initialization routine of a DLL can itself call LoadLibrary,
911 * thereby introducing a whole new set of dependencies (even involving
912 * the 'old' modules) at any time during the whole process
914 * (Note that this routine can be recursively entered not only directly
915 * from itself, but also via LoadLibrary from one of the called initialization
918 * Furthermore, we need to rearrange the main WINE_MODREF list to allow
919 * the process *detach* notifications to be sent in the correct order.
920 * This must not only take into account module dependencies, but also
921 * 'hidden' dependencies created by modules calling LoadLibrary in their
922 * attach notification routine.
924 * The strategy is rather simple: we move a WINE_MODREF to the head of the
925 * list after the attach notification has returned. This implies that the
926 * detach notifications are called in the reverse of the sequence the attach
927 * notifications *returned*.
929 * The loader_section must be locked while calling this function.
931 static NTSTATUS
process_attach( WINE_MODREF
*wm
, LPVOID lpReserved
)
933 NTSTATUS status
= STATUS_SUCCESS
;
937 if (process_detaching
) return status
;
939 /* prevent infinite recursion in case of cyclical dependencies */
940 if ( ( wm
->ldr
.Flags
& LDR_LOAD_IN_PROGRESS
)
941 || ( wm
->ldr
.Flags
& LDR_PROCESS_ATTACHED
) )
944 TRACE("(%s,%p) - START\n", debugstr_w(wm
->ldr
.BaseDllName
.Buffer
), lpReserved
);
946 /* Tag current MODREF to prevent recursive loop */
947 wm
->ldr
.Flags
|= LDR_LOAD_IN_PROGRESS
;
948 if (wm
->ldr
.ActivationContext
) RtlActivateActivationContext( 0, wm
->ldr
.ActivationContext
, &cookie
);
950 /* Recursively attach all DLLs this one depends on */
951 for ( i
= 0; i
< wm
->nDeps
; i
++ )
953 if (!wm
->deps
[i
]) continue;
954 if ((status
= process_attach( wm
->deps
[i
], lpReserved
)) != STATUS_SUCCESS
) break;
957 /* Call DLL entry point */
958 if (status
== STATUS_SUCCESS
)
960 WINE_MODREF
*prev
= current_modref
;
962 if (MODULE_InitDLL( wm
, DLL_PROCESS_ATTACH
, lpReserved
))
964 wm
->ldr
.Flags
|= LDR_PROCESS_ATTACHED
;
968 /* point to the name so LdrInitializeThunk can print it */
969 last_failed_modref
= wm
;
970 WARN("Initialization of %s failed\n", debugstr_w(wm
->ldr
.BaseDllName
.Buffer
));
971 status
= STATUS_DLL_INIT_FAILED
;
973 current_modref
= prev
;
976 if (!wm
->ldr
.InInitializationOrderModuleList
.Flink
)
977 InsertTailList(&NtCurrentTeb()->Peb
->LdrData
->InInitializationOrderModuleList
,
978 &wm
->ldr
.InInitializationOrderModuleList
);
980 if (wm
->ldr
.ActivationContext
) RtlDeactivateActivationContext( 0, cookie
);
981 /* Remove recursion flag */
982 wm
->ldr
.Flags
&= ~LDR_LOAD_IN_PROGRESS
;
984 TRACE("(%s,%p) - END\n", debugstr_w(wm
->ldr
.BaseDllName
.Buffer
), lpReserved
);
989 /**********************************************************************
990 * attach_implicitly_loaded_dlls
992 * Attach to the (builtin) dlls that have been implicitly loaded because
993 * of a dependency at the Unix level, but not imported at the Win32 level.
995 static void attach_implicitly_loaded_dlls( LPVOID reserved
)
999 PLIST_ENTRY mark
, entry
;
1001 mark
= &NtCurrentTeb()->Peb
->LdrData
->InLoadOrderModuleList
;
1002 for (entry
= mark
->Flink
; entry
!= mark
; entry
= entry
->Flink
)
1004 LDR_MODULE
*mod
= CONTAINING_RECORD(entry
, LDR_MODULE
, InLoadOrderModuleList
);
1006 if (mod
->Flags
& (LDR_LOAD_IN_PROGRESS
| LDR_PROCESS_ATTACHED
)) continue;
1007 TRACE( "found implicitly loaded %s, attaching to it\n",
1008 debugstr_w(mod
->BaseDllName
.Buffer
));
1009 mod
->LoadCount
= -1; /* we can't unload it anyway */
1010 process_attach( CONTAINING_RECORD(mod
, WINE_MODREF
, ldr
), reserved
);
1011 break; /* restart the search from the start */
1013 if (entry
== mark
) break; /* nothing found */
1018 /*************************************************************************
1021 * Send DLL process detach notifications. See the comment about calling
1022 * sequence at process_attach. Unless the bForceDetach flag
1023 * is set, only DLLs with zero refcount are notified.
1025 static void process_detach( BOOL bForceDetach
, LPVOID lpReserved
)
1027 PLIST_ENTRY mark
, entry
;
1030 RtlEnterCriticalSection( &loader_section
);
1031 if (bForceDetach
) process_detaching
= 1;
1032 mark
= &NtCurrentTeb()->Peb
->LdrData
->InInitializationOrderModuleList
;
1035 for (entry
= mark
->Blink
; entry
!= mark
; entry
= entry
->Blink
)
1037 mod
= CONTAINING_RECORD(entry
, LDR_MODULE
,
1038 InInitializationOrderModuleList
);
1039 /* Check whether to detach this DLL */
1040 if ( !(mod
->Flags
& LDR_PROCESS_ATTACHED
) )
1042 if ( mod
->LoadCount
&& !bForceDetach
)
1045 /* Call detach notification */
1046 mod
->Flags
&= ~LDR_PROCESS_ATTACHED
;
1047 MODULE_InitDLL( CONTAINING_RECORD(mod
, WINE_MODREF
, ldr
),
1048 DLL_PROCESS_DETACH
, lpReserved
);
1050 /* Restart at head of WINE_MODREF list, as entries might have
1051 been added and/or removed while performing the call ... */
1054 } while (entry
!= mark
);
1056 RtlLeaveCriticalSection( &loader_section
);
1059 /*************************************************************************
1060 * MODULE_DllThreadAttach
1062 * Send DLL thread attach notifications. These are sent in the
1063 * reverse sequence of process detach notification.
1066 NTSTATUS
MODULE_DllThreadAttach( LPVOID lpReserved
)
1068 PLIST_ENTRY mark
, entry
;
1072 /* don't do any attach calls if process is exiting */
1073 if (process_detaching
) return STATUS_SUCCESS
;
1074 /* FIXME: there is still a race here */
1076 RtlEnterCriticalSection( &loader_section
);
1078 if ((status
= alloc_thread_tls()) != STATUS_SUCCESS
) goto done
;
1080 mark
= &NtCurrentTeb()->Peb
->LdrData
->InInitializationOrderModuleList
;
1081 for (entry
= mark
->Flink
; entry
!= mark
; entry
= entry
->Flink
)
1083 mod
= CONTAINING_RECORD(entry
, LDR_MODULE
,
1084 InInitializationOrderModuleList
);
1085 if ( !(mod
->Flags
& LDR_PROCESS_ATTACHED
) )
1087 if ( mod
->Flags
& LDR_NO_DLL_CALLS
)
1090 MODULE_InitDLL( CONTAINING_RECORD(mod
, WINE_MODREF
, ldr
),
1091 DLL_THREAD_ATTACH
, lpReserved
);
1095 RtlLeaveCriticalSection( &loader_section
);
1099 /******************************************************************
1100 * LdrDisableThreadCalloutsForDll (NTDLL.@)
1103 NTSTATUS WINAPI
LdrDisableThreadCalloutsForDll(HMODULE hModule
)
1106 NTSTATUS ret
= STATUS_SUCCESS
;
1108 RtlEnterCriticalSection( &loader_section
);
1110 wm
= get_modref( hModule
);
1111 if (!wm
|| wm
->ldr
.TlsIndex
!= -1)
1112 ret
= STATUS_DLL_NOT_FOUND
;
1114 wm
->ldr
.Flags
|= LDR_NO_DLL_CALLS
;
1116 RtlLeaveCriticalSection( &loader_section
);
1121 /******************************************************************
1122 * LdrFindEntryForAddress (NTDLL.@)
1124 * The loader_section must be locked while calling this function
1126 NTSTATUS WINAPI
LdrFindEntryForAddress(const void* addr
, PLDR_MODULE
* pmod
)
1128 PLIST_ENTRY mark
, entry
;
1131 mark
= &NtCurrentTeb()->Peb
->LdrData
->InMemoryOrderModuleList
;
1132 for (entry
= mark
->Flink
; entry
!= mark
; entry
= entry
->Flink
)
1134 mod
= CONTAINING_RECORD(entry
, LDR_MODULE
, InMemoryOrderModuleList
);
1135 if ((const void *)mod
->BaseAddress
<= addr
&&
1136 (const char *)addr
< (char*)mod
->BaseAddress
+ mod
->SizeOfImage
)
1139 return STATUS_SUCCESS
;
1141 if ((const void *)mod
->BaseAddress
> addr
) break;
1143 return STATUS_NO_MORE_ENTRIES
;
1146 /******************************************************************
1147 * LdrLockLoaderLock (NTDLL.@)
1149 * Note: flags are not implemented.
1150 * Flag 0x01 is used to raise exceptions on errors.
1151 * Flag 0x02 is used to avoid waiting on the section (does RtlTryEnterCriticalSection instead).
1153 NTSTATUS WINAPI
LdrLockLoaderLock( ULONG flags
, ULONG
*result
, ULONG
*magic
)
1155 if (flags
) FIXME( "flags %x not supported\n", flags
);
1157 if (result
) *result
= 1;
1158 if (!magic
) return STATUS_INVALID_PARAMETER_3
;
1159 RtlEnterCriticalSection( &loader_section
);
1160 *magic
= GetCurrentThreadId();
1161 return STATUS_SUCCESS
;
1165 /******************************************************************
1166 * LdrUnlockLoaderUnlock (NTDLL.@)
1168 NTSTATUS WINAPI
LdrUnlockLoaderLock( ULONG flags
, ULONG magic
)
1172 if (magic
!= GetCurrentThreadId()) return STATUS_INVALID_PARAMETER_2
;
1173 RtlLeaveCriticalSection( &loader_section
);
1175 return STATUS_SUCCESS
;
1179 /******************************************************************
1180 * LdrGetProcedureAddress (NTDLL.@)
1182 NTSTATUS WINAPI
LdrGetProcedureAddress(HMODULE module
, const ANSI_STRING
*name
,
1183 ULONG ord
, PVOID
*address
)
1185 IMAGE_EXPORT_DIRECTORY
*exports
;
1187 NTSTATUS ret
= STATUS_PROCEDURE_NOT_FOUND
;
1189 RtlEnterCriticalSection( &loader_section
);
1191 /* check if the module itself is invalid to return the proper error */
1192 if (!get_modref( module
)) ret
= STATUS_DLL_NOT_FOUND
;
1193 else if ((exports
= RtlImageDirectoryEntryToData( module
, TRUE
,
1194 IMAGE_DIRECTORY_ENTRY_EXPORT
, &exp_size
)))
1196 void *proc
= name
? find_named_export( module
, exports
, exp_size
, name
->Buffer
, -1 )
1197 : find_ordinal_export( module
, exports
, exp_size
, ord
- exports
->Base
);
1201 ret
= STATUS_SUCCESS
;
1205 RtlLeaveCriticalSection( &loader_section
);
1210 /***********************************************************************
1213 * Check if a loaded native dll is a Wine fake dll.
1215 static BOOL
is_fake_dll( const void *base
)
1217 static const char fakedll_signature
[] = "Wine placeholder DLL";
1218 const IMAGE_DOS_HEADER
*dos
= base
;
1220 if (dos
->e_lfanew
>= sizeof(*dos
) + sizeof(fakedll_signature
) &&
1221 !memcmp( dos
+ 1, fakedll_signature
, sizeof(fakedll_signature
) )) return TRUE
;
1226 /***********************************************************************
1227 * get_builtin_fullname
1229 * Build the full pathname for a builtin dll.
1231 static WCHAR
*get_builtin_fullname( const WCHAR
*path
, const char *filename
)
1233 static const WCHAR soW
[] = {'.','s','o',0};
1234 WCHAR
*p
, *fullname
;
1235 size_t i
, len
= strlen(filename
);
1237 /* check if path can correspond to the dll we have */
1238 if (path
&& (p
= strrchrW( path
, '\\' )))
1241 for (i
= 0; i
< len
; i
++)
1242 if (tolowerW(p
[i
]) != tolowerW( (WCHAR
)filename
[i
]) ) break;
1243 if (i
== len
&& (!p
[len
] || !strcmpiW( p
+ len
, soW
)))
1245 /* the filename matches, use path as the full path */
1247 if ((fullname
= RtlAllocateHeap( GetProcessHeap(), 0, (len
+ 1) * sizeof(WCHAR
) )))
1249 memcpy( fullname
, path
, len
* sizeof(WCHAR
) );
1256 if ((fullname
= RtlAllocateHeap( GetProcessHeap(), 0,
1257 system_dir
.MaximumLength
+ (len
+ 1) * sizeof(WCHAR
) )))
1259 memcpy( fullname
, system_dir
.Buffer
, system_dir
.Length
);
1260 p
= fullname
+ system_dir
.Length
/ sizeof(WCHAR
);
1261 if (p
> fullname
&& p
[-1] != '\\') *p
++ = '\\';
1262 ascii_to_unicode( p
, filename
, len
+ 1 );
1268 /***********************************************************************
1269 * load_builtin_callback
1271 * Load a library in memory; callback function for wine_dll_register
1273 static void load_builtin_callback( void *module
, const char *filename
)
1275 static const WCHAR emptyW
[1];
1277 IMAGE_NT_HEADERS
*nt
;
1280 const WCHAR
*load_path
;
1285 ERR("could not map image for %s\n", filename
? filename
: "main exe" );
1288 if (!(nt
= RtlImageNtHeader( module
)))
1290 ERR( "bad module for %s\n", filename
? filename
: "main exe" );
1291 builtin_load_info
->status
= STATUS_INVALID_IMAGE_FORMAT
;
1295 size
= nt
->OptionalHeader
.SizeOfImage
;
1296 NtAllocateVirtualMemory( NtCurrentProcess(), &addr
, 0, &size
,
1297 MEM_SYSTEM
| MEM_IMAGE
, PAGE_EXECUTE_WRITECOPY
);
1298 /* create the MODREF */
1300 if (!(fullname
= get_builtin_fullname( builtin_load_info
->filename
, filename
)))
1302 ERR( "can't load %s\n", filename
);
1303 builtin_load_info
->status
= STATUS_NO_MEMORY
;
1307 wm
= alloc_module( module
, fullname
);
1308 RtlFreeHeap( GetProcessHeap(), 0, fullname
);
1311 ERR( "can't load %s\n", filename
);
1312 builtin_load_info
->status
= STATUS_NO_MEMORY
;
1315 wm
->ldr
.Flags
|= LDR_WINE_INTERNAL
;
1317 if (!(nt
->FileHeader
.Characteristics
& IMAGE_FILE_DLL
) &&
1318 !NtCurrentTeb()->Peb
->ImageBaseAddress
) /* if we already have an executable, ignore this one */
1320 NtCurrentTeb()->Peb
->ImageBaseAddress
= module
;
1326 load_path
= builtin_load_info
->load_path
;
1327 if (!load_path
) load_path
= NtCurrentTeb()->Peb
->ProcessParameters
->DllPath
.Buffer
;
1328 if (!load_path
) load_path
= emptyW
;
1329 if (fixup_imports( wm
, load_path
) != STATUS_SUCCESS
)
1331 /* the module has only be inserted in the load & memory order lists */
1332 RemoveEntryList(&wm
->ldr
.InLoadOrderModuleList
);
1333 RemoveEntryList(&wm
->ldr
.InMemoryOrderModuleList
);
1334 /* FIXME: free the modref */
1335 builtin_load_info
->status
= STATUS_DLL_NOT_FOUND
;
1340 builtin_load_info
->wm
= wm
;
1341 TRACE( "loaded %s %p %p\n", filename
, wm
, module
);
1343 /* send the DLL load event */
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 /* setup relay debugging entry points */
1359 if (TRACE_ON(relay
)) RELAY_SetupDLL( module
);
1363 /******************************************************************************
1364 * load_native_dll (internal)
1366 static NTSTATUS
load_native_dll( LPCWSTR load_path
, LPCWSTR name
, HANDLE file
,
1367 DWORD flags
, WINE_MODREF
** pwm
)
1371 OBJECT_ATTRIBUTES attr
;
1373 IMAGE_NT_HEADERS
*nt
;
1378 TRACE("Trying native dll %s\n", debugstr_w(name
));
1380 attr
.Length
= sizeof(attr
);
1381 attr
.RootDirectory
= 0;
1382 attr
.ObjectName
= NULL
;
1383 attr
.Attributes
= 0;
1384 attr
.SecurityDescriptor
= NULL
;
1385 attr
.SecurityQualityOfService
= NULL
;
1388 status
= NtCreateSection( &mapping
, STANDARD_RIGHTS_REQUIRED
| SECTION_QUERY
| SECTION_MAP_READ
,
1389 &attr
, &size
, 0, SEC_IMAGE
, file
);
1390 if (status
!= STATUS_SUCCESS
) return status
;
1393 status
= NtMapViewOfSection( mapping
, NtCurrentProcess(),
1394 &module
, 0, 0, &size
, &len
, ViewShare
, 0, PAGE_READONLY
);
1396 if (status
!= STATUS_SUCCESS
) return status
;
1398 if (is_fake_dll( module
))
1400 TRACE( "%s is a fake dll, not loading it\n", debugstr_w(name
) );
1401 NtUnmapViewOfSection( NtCurrentProcess(), module
);
1402 return STATUS_DLL_NOT_FOUND
;
1405 /* create the MODREF */
1407 if (!(wm
= alloc_module( module
, name
))) return STATUS_NO_MEMORY
;
1411 if (!(flags
& DONT_RESOLVE_DLL_REFERENCES
))
1413 if ((status
= fixup_imports( wm
, load_path
)) != STATUS_SUCCESS
)
1415 /* the module has only be inserted in the load & memory order lists */
1416 RemoveEntryList(&wm
->ldr
.InLoadOrderModuleList
);
1417 RemoveEntryList(&wm
->ldr
.InMemoryOrderModuleList
);
1419 /* FIXME: there are several more dangling references
1420 * left. Including dlls loaded by this dll before the
1421 * failed one. Unrolling is rather difficult with the
1422 * current structure and we can leave them lying
1423 * around with no problems, so we don't care.
1424 * As these might reference our wm, we don't free it.
1430 /* send DLL load event */
1432 nt
= RtlImageNtHeader( module
);
1434 SERVER_START_REQ( load_dll
)
1438 req
->size
= nt
->OptionalHeader
.SizeOfImage
;
1439 req
->dbg_offset
= nt
->FileHeader
.PointerToSymbolTable
;
1440 req
->dbg_size
= nt
->FileHeader
.NumberOfSymbols
;
1441 req
->name
= &wm
->ldr
.FullDllName
.Buffer
;
1442 wine_server_add_data( req
, wm
->ldr
.FullDllName
.Buffer
, wm
->ldr
.FullDllName
.Length
);
1443 wine_server_call( req
);
1447 if (TRACE_ON(snoop
)) SNOOP_SetupDLL( module
);
1449 TRACE_(loaddll
)( " Loaded module %s : native\n", debugstr_w(wm
->ldr
.FullDllName
.Buffer
) );
1451 wm
->ldr
.LoadCount
= 1;
1453 return STATUS_SUCCESS
;
1457 /***********************************************************************
1460 static NTSTATUS
load_builtin_dll( LPCWSTR load_path
, LPCWSTR path
, HANDLE file
,
1461 DWORD flags
, WINE_MODREF
** pwm
)
1463 char error
[256], dllname
[MAX_PATH
];
1464 const WCHAR
*name
, *p
;
1466 void *handle
= NULL
;
1467 struct builtin_load_info info
, *prev_info
;
1469 /* Fix the name in case we have a full path and extension */
1471 if ((p
= strrchrW( name
, '\\' ))) name
= p
+ 1;
1472 if ((p
= strrchrW( name
, '/' ))) name
= p
+ 1;
1474 /* load_library will modify info.status. Note also that load_library can be
1475 * called several times, if the .so file we're loading has dependencies.
1476 * info.status will gather all the errors we may get while loading all these
1479 info
.load_path
= load_path
;
1480 info
.filename
= NULL
;
1481 info
.status
= STATUS_SUCCESS
;
1484 if (file
) /* we have a real file, try to load it */
1486 UNICODE_STRING nt_name
;
1487 ANSI_STRING unix_name
;
1489 TRACE("Trying built-in %s\n", debugstr_w(path
));
1491 if (!RtlDosPathNameToNtPathName_U( path
, &nt_name
, NULL
, NULL
))
1492 return STATUS_DLL_NOT_FOUND
;
1494 if (wine_nt_to_unix_file_name( &nt_name
, &unix_name
, FILE_OPEN
, FALSE
))
1496 RtlFreeUnicodeString( &nt_name
);
1497 return STATUS_DLL_NOT_FOUND
;
1499 prev_info
= builtin_load_info
;
1500 info
.filename
= nt_name
.Buffer
+ 4; /* skip \??\ */
1501 builtin_load_info
= &info
;
1502 handle
= wine_dlopen( unix_name
.Buffer
, RTLD_NOW
, error
, sizeof(error
) );
1503 builtin_load_info
= prev_info
;
1504 RtlFreeUnicodeString( &nt_name
);
1505 RtlFreeHeap( GetProcessHeap(), 0, unix_name
.Buffer
);
1508 WARN( "failed to load .so lib for builtin %s: %s\n", debugstr_w(path
), error
);
1509 return STATUS_INVALID_IMAGE_FORMAT
;
1516 TRACE("Trying built-in %s\n", debugstr_w(name
));
1518 /* we don't want to depend on the current codepage here */
1519 len
= strlenW( name
) + 1;
1520 if (len
>= sizeof(dllname
)) return STATUS_NAME_TOO_LONG
;
1521 for (i
= 0; i
< len
; i
++)
1523 if (name
[i
] > 127) return STATUS_DLL_NOT_FOUND
;
1524 dllname
[i
] = (char)name
[i
];
1525 if (dllname
[i
] >= 'A' && dllname
[i
] <= 'Z') dllname
[i
] += 'a' - 'A';
1528 prev_info
= builtin_load_info
;
1529 builtin_load_info
= &info
;
1530 handle
= wine_dll_load( dllname
, error
, sizeof(error
), &file_exists
);
1531 builtin_load_info
= prev_info
;
1536 /* The file does not exist -> WARN() */
1537 WARN("cannot open .so lib for builtin %s: %s\n", debugstr_w(name
), error
);
1538 return STATUS_DLL_NOT_FOUND
;
1540 /* ERR() for all other errors (missing functions, ...) */
1541 ERR("failed to load .so lib for builtin %s: %s\n", debugstr_w(name
), error
);
1542 return STATUS_PROCEDURE_NOT_FOUND
;
1546 if (info
.status
!= STATUS_SUCCESS
)
1548 wine_dll_unload( handle
);
1554 PLIST_ENTRY mark
, entry
;
1556 /* The constructor wasn't called, this means the .so is already
1557 * loaded under a different name. Try to find the wm for it. */
1559 mark
= &NtCurrentTeb()->Peb
->LdrData
->InLoadOrderModuleList
;
1560 for (entry
= mark
->Flink
; entry
!= mark
; entry
= entry
->Flink
)
1562 LDR_MODULE
*mod
= CONTAINING_RECORD(entry
, LDR_MODULE
, InLoadOrderModuleList
);
1563 if (mod
->Flags
& LDR_WINE_INTERNAL
&& mod
->SectionHandle
== handle
)
1565 info
.wm
= CONTAINING_RECORD(mod
, WINE_MODREF
, ldr
);
1566 TRACE( "Found already loaded module %s for builtin %s\n",
1567 debugstr_w(info
.wm
->ldr
.FullDllName
.Buffer
), debugstr_w(path
) );
1571 wine_dll_unload( handle
); /* release the libdl refcount */
1572 if (!info
.wm
) return STATUS_INVALID_IMAGE_FORMAT
;
1573 if (info
.wm
->ldr
.LoadCount
!= -1) info
.wm
->ldr
.LoadCount
++;
1577 TRACE_(loaddll
)( "Loaded module %s : builtin\n", debugstr_w(info
.wm
->ldr
.FullDllName
.Buffer
) );
1578 info
.wm
->ldr
.LoadCount
= 1;
1579 info
.wm
->ldr
.SectionHandle
= handle
;
1583 return STATUS_SUCCESS
;
1587 /***********************************************************************
1590 * Find the full path (if any) of the dll from the activation context.
1592 static NTSTATUS
find_actctx_dll( LPCWSTR libname
, LPWSTR
*fullname
)
1594 static const WCHAR winsxsW
[] = {'\\','w','i','n','s','x','s','\\'};
1595 static const WCHAR dotManifestW
[] = {'.','m','a','n','i','f','e','s','t',0};
1597 ACTIVATION_CONTEXT_ASSEMBLY_DETAILED_INFORMATION
*info
;
1598 ACTCTX_SECTION_KEYED_DATA data
;
1599 UNICODE_STRING nameW
;
1601 SIZE_T needed
, size
= 1024;
1604 RtlInitUnicodeString( &nameW
, libname
);
1605 data
.cbSize
= sizeof(data
);
1606 status
= RtlFindActivationContextSectionString( FIND_ACTCTX_SECTION_KEY_RETURN_HACTCTX
, NULL
,
1607 ACTIVATION_CONTEXT_SECTION_DLL_REDIRECTION
,
1609 if (status
!= STATUS_SUCCESS
) return status
;
1613 if (!(info
= RtlAllocateHeap( GetProcessHeap(), 0, size
)))
1615 status
= STATUS_NO_MEMORY
;
1618 status
= RtlQueryInformationActivationContext( 0, data
.hActCtx
, &data
.ulAssemblyRosterIndex
,
1619 AssemblyDetailedInformationInActivationContext
,
1620 info
, size
, &needed
);
1621 if (status
== STATUS_SUCCESS
) break;
1622 if (status
!= STATUS_BUFFER_TOO_SMALL
) goto done
;
1623 RtlFreeHeap( GetProcessHeap(), 0, info
);
1625 /* restart with larger buffer */
1628 if ((p
= strrchrW( info
->lpAssemblyManifestPath
, '\\' )))
1630 DWORD dirlen
= info
->ulAssemblyDirectoryNameLength
/ sizeof(WCHAR
);
1633 if (strncmpiW( p
, info
->lpAssemblyDirectoryName
, dirlen
) || strcmpiW( p
+ dirlen
, dotManifestW
))
1635 /* manifest name does not match directory name, so it's not a global
1636 * windows/winsxs manifest; use the manifest directory name instead */
1637 dirlen
= p
- info
->lpAssemblyManifestPath
;
1638 needed
= (dirlen
+ 1) * sizeof(WCHAR
) + nameW
.Length
;
1639 if (!(*fullname
= p
= RtlAllocateHeap( GetProcessHeap(), 0, needed
)))
1641 status
= STATUS_NO_MEMORY
;
1644 memcpy( p
, info
->lpAssemblyManifestPath
, dirlen
* sizeof(WCHAR
) );
1646 strcpyW( p
, libname
);
1651 needed
= (windows_dir
.Length
+ sizeof(winsxsW
) + info
->ulAssemblyDirectoryNameLength
+
1652 nameW
.Length
+ 2*sizeof(WCHAR
));
1654 if (!(*fullname
= p
= RtlAllocateHeap( GetProcessHeap(), 0, needed
)))
1656 status
= STATUS_NO_MEMORY
;
1659 memcpy( p
, windows_dir
.Buffer
, windows_dir
.Length
);
1660 p
+= windows_dir
.Length
/ sizeof(WCHAR
);
1661 memcpy( p
, winsxsW
, sizeof(winsxsW
) );
1662 p
+= sizeof(winsxsW
) / sizeof(WCHAR
);
1663 memcpy( p
, info
->lpAssemblyDirectoryName
, info
->ulAssemblyDirectoryNameLength
);
1664 p
+= info
->ulAssemblyDirectoryNameLength
/ sizeof(WCHAR
);
1666 strcpyW( p
, libname
);
1668 RtlFreeHeap( GetProcessHeap(), 0, info
);
1669 RtlReleaseActivationContext( data
.hActCtx
);
1674 /***********************************************************************
1677 * Find the file (or already loaded module) for a given dll name.
1679 static NTSTATUS
find_dll_file( const WCHAR
*load_path
, const WCHAR
*libname
,
1680 WCHAR
*filename
, ULONG
*size
, WINE_MODREF
**pwm
, HANDLE
*handle
)
1682 OBJECT_ATTRIBUTES attr
;
1684 UNICODE_STRING nt_name
;
1685 WCHAR
*file_part
, *ext
, *dllname
;
1688 /* first append .dll if needed */
1691 if (!(ext
= strrchrW( libname
, '.')) || strchrW( ext
, '/' ) || strchrW( ext
, '\\'))
1693 if (!(dllname
= RtlAllocateHeap( GetProcessHeap(), 0,
1694 (strlenW(libname
) * sizeof(WCHAR
)) + sizeof(dllW
) )))
1695 return STATUS_NO_MEMORY
;
1696 strcpyW( dllname
, libname
);
1697 strcatW( dllname
, dllW
);
1701 nt_name
.Buffer
= NULL
;
1703 if (!contains_path( libname
))
1706 WCHAR
*fullname
= NULL
;
1708 if ((*pwm
= find_basename_module( libname
)) != NULL
) goto found
;
1710 status
= find_actctx_dll( libname
, &fullname
);
1711 if (status
== STATUS_SUCCESS
)
1713 TRACE ("found %s for %s\n", debugstr_w(fullname
), debugstr_w(libname
) );
1714 RtlFreeHeap( GetProcessHeap(), 0, dllname
);
1715 libname
= dllname
= fullname
;
1717 else if (status
!= STATUS_SXS_KEY_NOT_FOUND
)
1719 RtlFreeHeap( GetProcessHeap(), 0, dllname
);
1724 if (RtlDetermineDosPathNameType_U( libname
) == RELATIVE_PATH
)
1726 /* we need to search for it */
1727 len
= RtlDosSearchPath_U( load_path
, libname
, NULL
, *size
, filename
, &file_part
);
1730 if (len
>= *size
) goto overflow
;
1731 if ((*pwm
= find_fullname_module( filename
)) || !handle
) goto found
;
1733 if (!RtlDosPathNameToNtPathName_U( filename
, &nt_name
, NULL
, NULL
))
1735 RtlFreeHeap( GetProcessHeap(), 0, dllname
);
1736 return STATUS_NO_MEMORY
;
1738 attr
.Length
= sizeof(attr
);
1739 attr
.RootDirectory
= 0;
1740 attr
.Attributes
= OBJ_CASE_INSENSITIVE
;
1741 attr
.ObjectName
= &nt_name
;
1742 attr
.SecurityDescriptor
= NULL
;
1743 attr
.SecurityQualityOfService
= NULL
;
1744 if (NtOpenFile( handle
, GENERIC_READ
, &attr
, &io
, FILE_SHARE_READ
|FILE_SHARE_DELETE
, 0 )) *handle
= 0;
1750 if (!contains_path( libname
))
1752 /* if libname doesn't contain a path at all, we simply return the name as is,
1753 * to be loaded as builtin */
1754 len
= strlenW(libname
) * sizeof(WCHAR
);
1755 if (len
>= *size
) goto overflow
;
1756 strcpyW( filename
, libname
);
1761 /* absolute path name, or relative path name but not found above */
1763 if (!RtlDosPathNameToNtPathName_U( libname
, &nt_name
, &file_part
, NULL
))
1765 RtlFreeHeap( GetProcessHeap(), 0, dllname
);
1766 return STATUS_NO_MEMORY
;
1768 len
= nt_name
.Length
- 4*sizeof(WCHAR
); /* for \??\ prefix */
1769 if (len
>= *size
) goto overflow
;
1770 memcpy( filename
, nt_name
.Buffer
+ 4, len
+ sizeof(WCHAR
) );
1771 if (!(*pwm
= find_fullname_module( filename
)) && handle
)
1773 attr
.Length
= sizeof(attr
);
1774 attr
.RootDirectory
= 0;
1775 attr
.Attributes
= OBJ_CASE_INSENSITIVE
;
1776 attr
.ObjectName
= &nt_name
;
1777 attr
.SecurityDescriptor
= NULL
;
1778 attr
.SecurityQualityOfService
= NULL
;
1779 if (NtOpenFile( handle
, GENERIC_READ
, &attr
, &io
, FILE_SHARE_READ
|FILE_SHARE_DELETE
, 0 )) *handle
= 0;
1782 RtlFreeUnicodeString( &nt_name
);
1783 RtlFreeHeap( GetProcessHeap(), 0, dllname
);
1784 return STATUS_SUCCESS
;
1787 RtlFreeUnicodeString( &nt_name
);
1788 RtlFreeHeap( GetProcessHeap(), 0, dllname
);
1789 *size
= len
+ sizeof(WCHAR
);
1790 return STATUS_BUFFER_TOO_SMALL
;
1794 /***********************************************************************
1795 * load_dll (internal)
1797 * Load a PE style module according to the load order.
1798 * The loader_section must be locked while calling this function.
1800 static NTSTATUS
load_dll( LPCWSTR load_path
, LPCWSTR libname
, DWORD flags
, WINE_MODREF
** pwm
)
1802 enum loadorder loadorder
;
1806 WINE_MODREF
*main_exe
;
1810 TRACE( "looking for %s in %s\n", debugstr_w(libname
), debugstr_w(load_path
) );
1813 size
= sizeof(buffer
);
1816 nts
= find_dll_file( load_path
, libname
, filename
, &size
, pwm
, &handle
);
1817 if (nts
== STATUS_SUCCESS
) break;
1818 if (filename
!= buffer
) RtlFreeHeap( GetProcessHeap(), 0, filename
);
1819 if (nts
!= STATUS_BUFFER_TOO_SMALL
) return nts
;
1820 /* grow the buffer and retry */
1821 if (!(filename
= RtlAllocateHeap( GetProcessHeap(), 0, size
))) return STATUS_NO_MEMORY
;
1824 if (*pwm
) /* found already loaded module */
1826 if ((*pwm
)->ldr
.LoadCount
!= -1) (*pwm
)->ldr
.LoadCount
++;
1828 if (!(flags
& DONT_RESOLVE_DLL_REFERENCES
)) fixup_imports( *pwm
, load_path
);
1830 TRACE("Found loaded module %s for %s at %p, count=%d\n",
1831 debugstr_w((*pwm
)->ldr
.FullDllName
.Buffer
), debugstr_w(libname
),
1832 (*pwm
)->ldr
.BaseAddress
, (*pwm
)->ldr
.LoadCount
);
1833 if (filename
!= buffer
) RtlFreeHeap( GetProcessHeap(), 0, filename
);
1834 return STATUS_SUCCESS
;
1837 main_exe
= get_modref( NtCurrentTeb()->Peb
->ImageBaseAddress
);
1838 loadorder
= get_load_order( main_exe
? main_exe
->ldr
.BaseDllName
.Buffer
: NULL
, filename
);
1843 nts
= STATUS_NO_MEMORY
;
1846 nts
= STATUS_DLL_NOT_FOUND
;
1849 case LO_NATIVE_BUILTIN
:
1850 if (!handle
) nts
= STATUS_DLL_NOT_FOUND
;
1853 nts
= load_native_dll( load_path
, filename
, handle
, flags
, pwm
);
1854 if (nts
== STATUS_INVALID_FILE_FOR_SECTION
)
1855 /* not in PE format, maybe it's a builtin */
1856 nts
= load_builtin_dll( load_path
, filename
, handle
, flags
, pwm
);
1858 if (nts
== STATUS_DLL_NOT_FOUND
&& loadorder
== LO_NATIVE_BUILTIN
)
1859 nts
= load_builtin_dll( load_path
, filename
, 0, flags
, pwm
);
1862 case LO_BUILTIN_NATIVE
:
1863 case LO_DEFAULT
: /* default is builtin,native */
1864 nts
= load_builtin_dll( load_path
, filename
, handle
, flags
, pwm
);
1865 if (!handle
) break; /* nothing else we can try */
1866 /* file is not a builtin library, try without using the specified file */
1867 if (nts
!= STATUS_SUCCESS
)
1868 nts
= load_builtin_dll( load_path
, filename
, 0, flags
, pwm
);
1869 if (nts
== STATUS_SUCCESS
&& loadorder
== LO_DEFAULT
&&
1870 !MODULE_InitDLL( *pwm
, DLL_WINE_PREATTACH
, NULL
))
1872 /* stub-only dll, try native */
1873 TRACE( "%s pre-attach returned FALSE, preferring native\n", debugstr_w(filename
) );
1874 LdrUnloadDll( (*pwm
)->ldr
.BaseAddress
);
1875 nts
= STATUS_DLL_NOT_FOUND
;
1877 if (nts
== STATUS_DLL_NOT_FOUND
&& loadorder
!= LO_BUILTIN
)
1878 nts
= load_native_dll( load_path
, filename
, handle
, flags
, pwm
);
1882 if (nts
== STATUS_SUCCESS
)
1884 /* Initialize DLL just loaded */
1885 TRACE("Loaded module %s (%s) at %p\n", debugstr_w(filename
),
1886 ((*pwm
)->ldr
.Flags
& LDR_WINE_INTERNAL
) ? "builtin" : "native",
1887 (*pwm
)->ldr
.BaseAddress
);
1888 if (handle
) NtClose( handle
);
1889 if (filename
!= buffer
) RtlFreeHeap( GetProcessHeap(), 0, filename
);
1893 WARN("Failed to load module %s; status=%x\n", debugstr_w(libname
), nts
);
1894 if (handle
) NtClose( handle
);
1895 if (filename
!= buffer
) RtlFreeHeap( GetProcessHeap(), 0, filename
);
1899 /******************************************************************
1900 * LdrLoadDll (NTDLL.@)
1902 NTSTATUS WINAPI
LdrLoadDll(LPCWSTR path_name
, DWORD flags
,
1903 const UNICODE_STRING
*libname
, HMODULE
* hModule
)
1908 RtlEnterCriticalSection( &loader_section
);
1910 if (!path_name
) path_name
= NtCurrentTeb()->Peb
->ProcessParameters
->DllPath
.Buffer
;
1911 nts
= load_dll( path_name
, libname
->Buffer
, flags
, &wm
);
1913 if (nts
== STATUS_SUCCESS
&& !(wm
->ldr
.Flags
& LDR_DONT_RESOLVE_REFS
))
1915 nts
= process_attach( wm
, NULL
);
1916 if (nts
!= STATUS_SUCCESS
)
1918 LdrUnloadDll(wm
->ldr
.BaseAddress
);
1922 *hModule
= (wm
) ? wm
->ldr
.BaseAddress
: NULL
;
1924 RtlLeaveCriticalSection( &loader_section
);
1929 /******************************************************************
1930 * LdrGetDllHandle (NTDLL.@)
1932 NTSTATUS WINAPI
LdrGetDllHandle( LPCWSTR load_path
, ULONG flags
, const UNICODE_STRING
*name
, HMODULE
*base
)
1940 RtlEnterCriticalSection( &loader_section
);
1942 if (!load_path
) load_path
= NtCurrentTeb()->Peb
->ProcessParameters
->DllPath
.Buffer
;
1945 size
= sizeof(buffer
);
1948 status
= find_dll_file( load_path
, name
->Buffer
, filename
, &size
, &wm
, NULL
);
1949 if (filename
!= buffer
) RtlFreeHeap( GetProcessHeap(), 0, filename
);
1950 if (status
!= STATUS_BUFFER_TOO_SMALL
) break;
1951 /* grow the buffer and retry */
1952 if (!(filename
= RtlAllocateHeap( GetProcessHeap(), 0, size
)))
1954 status
= STATUS_NO_MEMORY
;
1959 if (status
== STATUS_SUCCESS
)
1961 if (wm
) *base
= wm
->ldr
.BaseAddress
;
1962 else status
= STATUS_DLL_NOT_FOUND
;
1965 RtlLeaveCriticalSection( &loader_section
);
1966 TRACE( "%s -> %p (load path %s)\n", debugstr_us(name
), status
? NULL
: *base
, debugstr_w(load_path
) );
1971 /******************************************************************
1972 * LdrAddRefDll (NTDLL.@)
1974 NTSTATUS WINAPI
LdrAddRefDll( ULONG flags
, HMODULE module
)
1976 NTSTATUS ret
= STATUS_SUCCESS
;
1979 if (flags
) FIXME( "%p flags %x not implemented\n", module
, flags
);
1981 RtlEnterCriticalSection( &loader_section
);
1983 if ((wm
= get_modref( module
)))
1985 if (wm
->ldr
.LoadCount
!= -1) wm
->ldr
.LoadCount
++;
1986 TRACE( "(%s) ldr.LoadCount: %d\n", debugstr_w(wm
->ldr
.BaseDllName
.Buffer
), wm
->ldr
.LoadCount
);
1988 else ret
= STATUS_INVALID_PARAMETER
;
1990 RtlLeaveCriticalSection( &loader_section
);
1995 /******************************************************************
1996 * LdrQueryProcessModuleInformation
1999 NTSTATUS WINAPI
LdrQueryProcessModuleInformation(PSYSTEM_MODULE_INFORMATION smi
,
2000 ULONG buf_size
, ULONG
* req_size
)
2002 SYSTEM_MODULE
* sm
= &smi
->Modules
[0];
2003 ULONG size
= sizeof(ULONG
);
2004 NTSTATUS nts
= STATUS_SUCCESS
;
2007 PLIST_ENTRY mark
, entry
;
2011 smi
->ModulesCount
= 0;
2013 RtlEnterCriticalSection( &loader_section
);
2014 mark
= &NtCurrentTeb()->Peb
->LdrData
->InLoadOrderModuleList
;
2015 for (entry
= mark
->Flink
; entry
!= mark
; entry
= entry
->Flink
)
2017 mod
= CONTAINING_RECORD(entry
, LDR_MODULE
, InLoadOrderModuleList
);
2018 size
+= sizeof(*sm
);
2019 if (size
<= buf_size
)
2021 sm
->Reserved1
= 0; /* FIXME */
2022 sm
->Reserved2
= 0; /* FIXME */
2023 sm
->ImageBaseAddress
= mod
->BaseAddress
;
2024 sm
->ImageSize
= mod
->SizeOfImage
;
2025 sm
->Flags
= mod
->Flags
;
2027 sm
->Rank
= 0; /* FIXME */
2028 sm
->Unknown
= 0; /* FIXME */
2030 str
.MaximumLength
= MAXIMUM_FILENAME_LENGTH
;
2031 str
.Buffer
= (char*)sm
->Name
;
2032 RtlUnicodeStringToAnsiString(&str
, &mod
->FullDllName
, FALSE
);
2033 ptr
= strrchr(str
.Buffer
, '\\');
2034 sm
->NameOffset
= (ptr
!= NULL
) ? (ptr
- str
.Buffer
+ 1) : 0;
2036 smi
->ModulesCount
++;
2039 else nts
= STATUS_INFO_LENGTH_MISMATCH
;
2041 RtlLeaveCriticalSection( &loader_section
);
2043 if (req_size
) *req_size
= size
;
2049 /******************************************************************
2050 * RtlDllShutdownInProgress (NTDLL.@)
2052 BOOLEAN WINAPI
RtlDllShutdownInProgress(void)
2054 return process_detaching
;
2058 /******************************************************************
2059 * LdrShutdownProcess (NTDLL.@)
2062 void WINAPI
LdrShutdownProcess(void)
2065 process_detach( TRUE
, (LPVOID
)1 );
2068 /******************************************************************
2069 * LdrShutdownThread (NTDLL.@)
2072 void WINAPI
LdrShutdownThread(void)
2074 PLIST_ENTRY mark
, entry
;
2079 /* don't do any detach calls if process is exiting */
2080 if (process_detaching
) return;
2081 /* FIXME: there is still a race here */
2083 RtlEnterCriticalSection( &loader_section
);
2085 mark
= &NtCurrentTeb()->Peb
->LdrData
->InInitializationOrderModuleList
;
2086 for (entry
= mark
->Blink
; entry
!= mark
; entry
= entry
->Blink
)
2088 mod
= CONTAINING_RECORD(entry
, LDR_MODULE
,
2089 InInitializationOrderModuleList
);
2090 if ( !(mod
->Flags
& LDR_PROCESS_ATTACHED
) )
2092 if ( mod
->Flags
& LDR_NO_DLL_CALLS
)
2095 MODULE_InitDLL( CONTAINING_RECORD(mod
, WINE_MODREF
, ldr
),
2096 DLL_THREAD_DETACH
, NULL
);
2099 RtlLeaveCriticalSection( &loader_section
);
2100 RtlFreeHeap( GetProcessHeap(), 0, NtCurrentTeb()->ThreadLocalStoragePointer
);
2104 /***********************************************************************
2108 static void free_modref( WINE_MODREF
*wm
)
2110 RemoveEntryList(&wm
->ldr
.InLoadOrderModuleList
);
2111 RemoveEntryList(&wm
->ldr
.InMemoryOrderModuleList
);
2112 if (wm
->ldr
.InInitializationOrderModuleList
.Flink
)
2113 RemoveEntryList(&wm
->ldr
.InInitializationOrderModuleList
);
2115 TRACE(" unloading %s\n", debugstr_w(wm
->ldr
.FullDllName
.Buffer
));
2116 if (!TRACE_ON(module
))
2117 TRACE_(loaddll
)("Unloaded module %s : %s\n",
2118 debugstr_w(wm
->ldr
.FullDllName
.Buffer
),
2119 (wm
->ldr
.Flags
& LDR_WINE_INTERNAL
) ? "builtin" : "native" );
2121 SERVER_START_REQ( unload_dll
)
2123 req
->base
= wm
->ldr
.BaseAddress
;
2124 wine_server_call( req
);
2128 RtlReleaseActivationContext( wm
->ldr
.ActivationContext
);
2129 NtUnmapViewOfSection( NtCurrentProcess(), wm
->ldr
.BaseAddress
);
2130 if (wm
->ldr
.Flags
& LDR_WINE_INTERNAL
) wine_dll_unload( wm
->ldr
.SectionHandle
);
2131 if (cached_modref
== wm
) cached_modref
= NULL
;
2132 RtlFreeUnicodeString( &wm
->ldr
.FullDllName
);
2133 RtlFreeHeap( GetProcessHeap(), 0, wm
->deps
);
2134 RtlFreeHeap( GetProcessHeap(), 0, wm
);
2137 /***********************************************************************
2138 * MODULE_FlushModrefs
2140 * Remove all unused modrefs and call the internal unloading routines
2141 * for the library type.
2143 * The loader_section must be locked while calling this function.
2145 static void MODULE_FlushModrefs(void)
2147 PLIST_ENTRY mark
, entry
, prev
;
2151 mark
= &NtCurrentTeb()->Peb
->LdrData
->InInitializationOrderModuleList
;
2152 for (entry
= mark
->Blink
; entry
!= mark
; entry
= prev
)
2154 mod
= CONTAINING_RECORD(entry
, LDR_MODULE
, InInitializationOrderModuleList
);
2155 wm
= CONTAINING_RECORD(mod
, WINE_MODREF
, ldr
);
2156 prev
= entry
->Blink
;
2157 if (!mod
->LoadCount
) free_modref( wm
);
2160 /* check load order list too for modules that haven't been initialized yet */
2161 mark
= &NtCurrentTeb()->Peb
->LdrData
->InLoadOrderModuleList
;
2162 for (entry
= mark
->Blink
; entry
!= mark
; entry
= prev
)
2164 mod
= CONTAINING_RECORD(entry
, LDR_MODULE
, InLoadOrderModuleList
);
2165 wm
= CONTAINING_RECORD(mod
, WINE_MODREF
, ldr
);
2166 prev
= entry
->Blink
;
2167 if (!mod
->LoadCount
) free_modref( wm
);
2171 /***********************************************************************
2172 * MODULE_DecRefCount
2174 * The loader_section must be locked while calling this function.
2176 static void MODULE_DecRefCount( WINE_MODREF
*wm
)
2180 if ( wm
->ldr
.Flags
& LDR_UNLOAD_IN_PROGRESS
)
2183 if ( wm
->ldr
.LoadCount
<= 0 )
2186 --wm
->ldr
.LoadCount
;
2187 TRACE("(%s) ldr.LoadCount: %d\n", debugstr_w(wm
->ldr
.BaseDllName
.Buffer
), wm
->ldr
.LoadCount
);
2189 if ( wm
->ldr
.LoadCount
== 0 )
2191 wm
->ldr
.Flags
|= LDR_UNLOAD_IN_PROGRESS
;
2193 for ( i
= 0; i
< wm
->nDeps
; i
++ )
2195 MODULE_DecRefCount( wm
->deps
[i
] );
2197 wm
->ldr
.Flags
&= ~LDR_UNLOAD_IN_PROGRESS
;
2201 /******************************************************************
2202 * LdrUnloadDll (NTDLL.@)
2206 NTSTATUS WINAPI
LdrUnloadDll( HMODULE hModule
)
2208 NTSTATUS retv
= STATUS_SUCCESS
;
2210 TRACE("(%p)\n", hModule
);
2212 RtlEnterCriticalSection( &loader_section
);
2214 /* if we're stopping the whole process (and forcing the removal of all
2215 * DLLs) the library will be freed anyway
2217 if (!process_detaching
)
2222 if ((wm
= get_modref( hModule
)) != NULL
)
2224 TRACE("(%s) - START\n", debugstr_w(wm
->ldr
.BaseDllName
.Buffer
));
2226 /* Recursively decrement reference counts */
2227 MODULE_DecRefCount( wm
);
2229 /* Call process detach notifications */
2230 if ( free_lib_count
<= 1 )
2232 process_detach( FALSE
, NULL
);
2233 MODULE_FlushModrefs();
2239 retv
= STATUS_DLL_NOT_FOUND
;
2244 RtlLeaveCriticalSection( &loader_section
);
2249 /***********************************************************************
2250 * RtlImageNtHeader (NTDLL.@)
2252 PIMAGE_NT_HEADERS WINAPI
RtlImageNtHeader(HMODULE hModule
)
2254 IMAGE_NT_HEADERS
*ret
;
2258 IMAGE_DOS_HEADER
*dos
= (IMAGE_DOS_HEADER
*)hModule
;
2261 if (dos
->e_magic
== IMAGE_DOS_SIGNATURE
)
2263 ret
= (IMAGE_NT_HEADERS
*)((char *)dos
+ dos
->e_lfanew
);
2264 if (ret
->Signature
!= IMAGE_NT_SIGNATURE
) ret
= NULL
;
2276 /******************************************************************
2277 * LdrInitializeThunk (NTDLL.@)
2280 void WINAPI
LdrInitializeThunk( ULONG unknown1
, ULONG unknown2
, ULONG unknown3
, ULONG unknown4
)
2285 PEB
*peb
= NtCurrentTeb()->Peb
;
2286 IMAGE_NT_HEADERS
*nt
= RtlImageNtHeader( peb
->ImageBaseAddress
);
2288 if (main_exe_file
) NtClose( main_exe_file
); /* at this point the main module is created */
2290 /* allocate the modref for the main exe (if not already done) */
2291 wm
= get_modref( peb
->ImageBaseAddress
);
2293 if (wm
->ldr
.Flags
& LDR_IMAGE_IS_DLL
)
2295 ERR("%s is a dll, not an executable\n", debugstr_w(wm
->ldr
.FullDllName
.Buffer
) );
2298 wm
->ldr
.LoadCount
= -1; /* can't unload main exe */
2300 peb
->ProcessParameters
->ImagePathName
= wm
->ldr
.FullDllName
;
2301 version_init( wm
->ldr
.FullDllName
.Buffer
);
2303 /* the main exe needs to be the first in the load order list */
2304 RemoveEntryList( &wm
->ldr
.InLoadOrderModuleList
);
2305 InsertHeadList( &peb
->LdrData
->InLoadOrderModuleList
, &wm
->ldr
.InLoadOrderModuleList
);
2307 status
= server_init_process_done();
2308 if (status
!= STATUS_SUCCESS
) goto error
;
2310 RtlEnterCriticalSection( &loader_section
);
2313 load_path
= NtCurrentTeb()->Peb
->ProcessParameters
->DllPath
.Buffer
;
2314 if ((status
= fixup_imports( wm
, load_path
)) != STATUS_SUCCESS
) goto error
;
2315 if ((status
= alloc_process_tls()) != STATUS_SUCCESS
) goto error
;
2316 if ((status
= alloc_thread_tls()) != STATUS_SUCCESS
) goto error
;
2317 if ((status
= process_attach( wm
, (LPVOID
)1 )) != STATUS_SUCCESS
)
2319 if (last_failed_modref
)
2320 ERR( "%s failed to initialize, aborting\n", debugstr_w(last_failed_modref
->ldr
.BaseDllName
.Buffer
) + 1 );
2323 attach_implicitly_loaded_dlls( (LPVOID
)1 );
2325 RtlLeaveCriticalSection( &loader_section
);
2327 if (nt
->FileHeader
.Characteristics
& IMAGE_FILE_LARGE_ADDRESS_AWARE
) VIRTUAL_UseLargeAddressSpace();
2331 ERR( "Main exe initialization for %s failed, status %x\n",
2332 debugstr_w(peb
->ProcessParameters
->ImagePathName
.Buffer
), status
);
2337 /***********************************************************************
2338 * RtlImageDirectoryEntryToData (NTDLL.@)
2340 PVOID WINAPI
RtlImageDirectoryEntryToData( HMODULE module
, BOOL image
, WORD dir
, ULONG
*size
)
2342 const IMAGE_NT_HEADERS
*nt
;
2345 if ((ULONG_PTR
)module
& 1) /* mapped as data file */
2347 module
= (HMODULE
)((ULONG_PTR
)module
& ~1);
2350 if (!(nt
= RtlImageNtHeader( module
))) return NULL
;
2351 if (dir
>= nt
->OptionalHeader
.NumberOfRvaAndSizes
) return NULL
;
2352 if (!(addr
= nt
->OptionalHeader
.DataDirectory
[dir
].VirtualAddress
)) return NULL
;
2353 *size
= nt
->OptionalHeader
.DataDirectory
[dir
].Size
;
2354 if (image
|| addr
< nt
->OptionalHeader
.SizeOfHeaders
) return (char *)module
+ addr
;
2356 /* not mapped as image, need to find the section containing the virtual address */
2357 return RtlImageRvaToVa( nt
, module
, addr
, NULL
);
2361 /***********************************************************************
2362 * RtlImageRvaToSection (NTDLL.@)
2364 PIMAGE_SECTION_HEADER WINAPI
RtlImageRvaToSection( const IMAGE_NT_HEADERS
*nt
,
2365 HMODULE module
, DWORD rva
)
2368 const IMAGE_SECTION_HEADER
*sec
;
2370 sec
= (const IMAGE_SECTION_HEADER
*)((const char*)&nt
->OptionalHeader
+
2371 nt
->FileHeader
.SizeOfOptionalHeader
);
2372 for (i
= 0; i
< nt
->FileHeader
.NumberOfSections
; i
++, sec
++)
2374 if ((sec
->VirtualAddress
<= rva
) && (sec
->VirtualAddress
+ sec
->SizeOfRawData
> rva
))
2375 return (PIMAGE_SECTION_HEADER
)sec
;
2381 /***********************************************************************
2382 * RtlImageRvaToVa (NTDLL.@)
2384 PVOID WINAPI
RtlImageRvaToVa( const IMAGE_NT_HEADERS
*nt
, HMODULE module
,
2385 DWORD rva
, IMAGE_SECTION_HEADER
**section
)
2387 IMAGE_SECTION_HEADER
*sec
;
2389 if (section
&& *section
) /* try this section first */
2392 if ((sec
->VirtualAddress
<= rva
) && (sec
->VirtualAddress
+ sec
->SizeOfRawData
> rva
))
2395 if (!(sec
= RtlImageRvaToSection( nt
, module
, rva
))) return NULL
;
2397 if (section
) *section
= sec
;
2398 return (char *)module
+ sec
->PointerToRawData
+ (rva
- sec
->VirtualAddress
);
2402 /***********************************************************************
2403 * RtlPcToFileHeader (NTDLL.@)
2405 PVOID WINAPI
RtlPcToFileHeader( PVOID pc
, PVOID
*address
)
2410 RtlEnterCriticalSection( &loader_section
);
2411 if (!LdrFindEntryForAddress( pc
, &module
)) ret
= module
->BaseAddress
;
2412 RtlLeaveCriticalSection( &loader_section
);
2418 /***********************************************************************
2419 * NtLoadDriver (NTDLL.@)
2420 * ZwLoadDriver (NTDLL.@)
2422 NTSTATUS WINAPI
NtLoadDriver( const UNICODE_STRING
*DriverServiceName
)
2424 FIXME("(%p), stub!\n",DriverServiceName
);
2425 return STATUS_NOT_IMPLEMENTED
;
2429 /***********************************************************************
2430 * NtUnloadDriver (NTDLL.@)
2431 * ZwUnloadDriver (NTDLL.@)
2433 NTSTATUS WINAPI
NtUnloadDriver( const UNICODE_STRING
*DriverServiceName
)
2435 FIXME("(%p), stub!\n",DriverServiceName
);
2436 return STATUS_NOT_IMPLEMENTED
;
2440 /******************************************************************
2443 BOOL WINAPI
DllMain( HINSTANCE inst
, DWORD reason
, LPVOID reserved
)
2445 if (reason
== DLL_PROCESS_ATTACH
) LdrDisableThreadCalloutsForDll( inst
);
2450 /******************************************************************
2451 * __wine_init_windows_dir (NTDLL.@)
2453 * Windows and system dir initialization once kernel32 has been loaded.
2455 void __wine_init_windows_dir( const WCHAR
*windir
, const WCHAR
*sysdir
)
2457 PLIST_ENTRY mark
, entry
;
2460 RtlCreateUnicodeString( &windows_dir
, windir
);
2461 RtlCreateUnicodeString( &system_dir
, sysdir
);
2462 strcpyW( user_shared_data
->NtSystemRoot
, windir
);
2464 /* prepend the system dir to the name of the already created modules */
2465 mark
= &NtCurrentTeb()->Peb
->LdrData
->InLoadOrderModuleList
;
2466 for (entry
= mark
->Flink
; entry
!= mark
; entry
= entry
->Flink
)
2468 LDR_MODULE
*mod
= CONTAINING_RECORD( entry
, LDR_MODULE
, InLoadOrderModuleList
);
2470 assert( mod
->Flags
& LDR_WINE_INTERNAL
);
2472 buffer
= RtlAllocateHeap( GetProcessHeap(), 0,
2473 system_dir
.Length
+ mod
->FullDllName
.Length
+ 2*sizeof(WCHAR
) );
2474 if (!buffer
) continue;
2475 strcpyW( buffer
, system_dir
.Buffer
);
2476 p
= buffer
+ strlenW( buffer
);
2477 if (p
> buffer
&& p
[-1] != '\\') *p
++ = '\\';
2478 strcpyW( p
, mod
->FullDllName
.Buffer
);
2479 RtlInitUnicodeString( &mod
->FullDllName
, buffer
);
2480 RtlInitUnicodeString( &mod
->BaseDllName
, p
);
2485 /***********************************************************************
2486 * __wine_process_init
2488 void __wine_process_init(void)
2490 static const WCHAR kernel32W
[] = {'k','e','r','n','e','l','3','2','.','d','l','l',0};
2494 ANSI_STRING func_name
;
2495 void (* DECLSPEC_NORETURN init_func
)(void);
2496 extern mode_t FILE_umask
;
2498 main_exe_file
= thread_init();
2500 /* retrieve current umask */
2501 FILE_umask
= umask(0777);
2502 umask( FILE_umask
);
2504 /* setup the load callback and create ntdll modref */
2505 wine_dll_set_callback( load_builtin_callback
);
2507 if ((status
= load_builtin_dll( NULL
, kernel32W
, 0, 0, &wm
)) != STATUS_SUCCESS
)
2509 MESSAGE( "wine: could not load kernel32.dll, status %x\n", status
);
2512 RtlInitAnsiString( &func_name
, "__wine_kernel_init" );
2513 if ((status
= LdrGetProcedureAddress( wm
->ldr
.BaseAddress
, &func_name
,
2514 0, (void **)&init_func
)) != STATUS_SUCCESS
)
2516 MESSAGE( "wine: could not find __wine_kernel_init in kernel32.dll, status %x\n", status
);