2 * Copyright 1994 Eric Youndale & Erik Bos
3 * Copyright 1995 Martin von Löwis
4 * Copyright 1996-98 Marcus Meissner
6 * based on Eric Youndale's pe-test and:
8 * ftp.microsoft.com:/pub/developer/MSDN/CD8/PEFILE.ZIP
10 * ftp.microsoft.com:/developr/MSDN/OctCD/PEFILE.ZIP
12 * Modified for use with MPlayer, detailed changelog at
13 * http://svn.mplayerhq.hu/mplayer/trunk/
18 * Before you start changing something in this file be aware of the following:
20 * - There are several functions called recursively. In a very subtle and
21 * obscure way. DLLs can reference each other recursively etc.
22 * - If you want to enhance, speed up or clean up something in here, think
23 * twice WHY it is implemented in that strange way. There is usually a reason.
24 * Though sometimes it might just be lazyness ;)
25 * - In PE_MapImage, right before fixup_imports() all external and internal
26 * state MUST be correct since this function can be called with the SAME image
27 * AGAIN. (Thats recursion for you.) That means MODREF.module and
29 * - Sometimes, we can't use Linux mmap() to mmap() the images directly.
31 * The problem is, that there is not direct 1:1 mapping from a diskimage and
32 * a memoryimage. The headers at the start are mapped linear, but the sections
33 * are not. Older x86 pe binaries are 512 byte aligned in file and 4096 byte
34 * aligned in memory. Linux likes them 4096 byte aligned in memory (due to
35 * x86 pagesize, this cannot be fixed without a rather large kernel rewrite)
36 * and 'blocksize' file-aligned (offsets). Since we have 512/1024/2048 (CDROM)
37 * and other byte blocksizes, we can't always do this. We *can* do this for
38 * newer pe binaries produced by MSVC 5 and later, since they are also aligned
39 * to 4096 byte boundaries on disk.
50 #include <sys/types.h>
53 #ifdef HAVE_SYS_MMAN_H
56 #include "wine/windef.h"
57 #include "wine/winbase.h"
58 #include "wine/winerror.h"
59 #include "wine/heap.h"
60 #include "wine/pe_image.h"
61 #include "wine/module.h"
62 #include "wine/debugtools.h"
66 #define RVA(x) ((void *)((char *)load_addr+(unsigned int)(x)))
68 #define AdjustPtr(ptr,delta) ((char *)(ptr) + (delta))
70 extern void* LookupExternal(const char* library
, int ordinal
);
71 extern void* LookupExternalByName(const char* library
, const char* name
);
73 static void dump_exports( HMODULE hModule
)
78 u_long
*function
,*functions
;
80 unsigned int load_addr
= hModule
;
82 DWORD rva_start
= PE_HEADER(hModule
)->OptionalHeader
83 .DataDirectory
[IMAGE_DIRECTORY_ENTRY_EXPORT
].VirtualAddress
;
84 DWORD rva_end
= rva_start
+ PE_HEADER(hModule
)->OptionalHeader
85 .DataDirectory
[IMAGE_DIRECTORY_ENTRY_EXPORT
].Size
;
86 IMAGE_EXPORT_DIRECTORY
*pe_exports
= (IMAGE_EXPORT_DIRECTORY
*)RVA(rva_start
);
88 Module
= (char*)RVA(pe_exports
->Name
);
89 TRACE("*******EXPORT DATA*******\n");
90 TRACE("Module name is %s, %ld functions, %ld names\n",
91 Module
, pe_exports
->NumberOfFunctions
, pe_exports
->NumberOfNames
);
93 ordinal
=(u_short
*) RVA(pe_exports
->AddressOfNameOrdinals
);
94 functions
=function
=(u_long
*) RVA(pe_exports
->AddressOfFunctions
);
95 name
=(u_char
**) RVA(pe_exports
->AddressOfNames
);
97 TRACE(" Ord RVA Addr Name\n" );
98 for (i
=0;i
<pe_exports
->NumberOfFunctions
;i
++, function
++)
100 if (!*function
) continue;
103 DPRINTF( "%4ld %08lx %p", i
+ pe_exports
->Base
, *function
, RVA(*function
) );
105 for (j
= 0; j
< pe_exports
->NumberOfNames
; j
++)
108 DPRINTF( " %s", (char*)RVA(name
[j
]) );
111 if ((*function
>= rva_start
) && (*function
<= rva_end
))
112 DPRINTF(" (forwarded -> %s)", (char *)RVA(*function
));
118 /* Look up the specified function or ordinal in the exportlist:
120 * - look up the name in the Name list.
121 * - look up the ordinal with that index.
122 * - use the ordinal as offset into the functionlist
123 * If it is a ordinal:
124 * - use ordinal-pe_export->Base as offset into the functionlist
126 FARPROC
PE_FindExportedFunction(
134 const char *ename
= NULL
;
136 PE_MODREF
*pem
= &(wm
->binfmt
.pe
);
137 IMAGE_EXPORT_DIRECTORY
*exports
= pem
->pe_export
;
138 unsigned int load_addr
= wm
->module
;
139 u_long rva_start
, rva_end
, addr
;
142 if (HIWORD(funcName
))
143 TRACE("(%s)\n",funcName
);
145 TRACE("(%d)\n",(int)funcName
);
147 /* Not a fatal problem, some apps do
148 * GetProcAddress(0,"RegisterPenApp") which triggers this
151 WARN("Module %08x(%s)/MODREF %p doesn't have a exports table.\n",wm
->module
,wm
->modname
,pem
);
154 ordinals
= (u_short
*) RVA(exports
->AddressOfNameOrdinals
);
155 function
= (u_long
*) RVA(exports
->AddressOfFunctions
);
156 name
= (u_char
**) RVA(exports
->AddressOfNames
);
158 rva_start
= PE_HEADER(wm
->module
)->OptionalHeader
159 .DataDirectory
[IMAGE_DIRECTORY_ENTRY_EXPORT
].VirtualAddress
;
160 rva_end
= rva_start
+ PE_HEADER(wm
->module
)->OptionalHeader
161 .DataDirectory
[IMAGE_DIRECTORY_ENTRY_EXPORT
].Size
;
163 if (HIWORD(funcName
))
166 int min
= 0, max
= exports
->NumberOfNames
- 1;
169 int res
, pos
= (min
+ max
) / 2;
170 ename
= (const char*) RVA(name
[pos
]);
171 if (!(res
= strcmp( ename
, funcName
)))
173 ordinal
= ordinals
[pos
];
176 if (res
> 0) max
= pos
- 1;
180 for (i
= 0; i
< exports
->NumberOfNames
; i
++)
182 ename
= (const char*) RVA(name
[i
]);
183 if (!strcmp( ename
, funcName
))
185 ERR( "%s.%s required a linear search\n", wm
->modname
, funcName
);
186 ordinal
= ordinals
[i
];
194 ordinal
= LOWORD(funcName
) - exports
->Base
;
197 for (i
= 0; i
< exports
->NumberOfNames
; i
++)
198 if (ordinals
[i
] == ordinal
)
200 ename
= RVA(name
[i
]);
207 if (ordinal
>= exports
->NumberOfFunctions
)
209 TRACE(" ordinal %ld out of range!\n", ordinal
+ exports
->Base
);
212 addr
= function
[ordinal
];
213 if (!addr
) return NULL
;
214 if ((addr
< rva_start
) || (addr
>= rva_end
))
216 FARPROC proc
= RVA(addr
);
219 if (!ename
) ename
= "@";
220 // proc = SNOOP_GetProcAddress(wm->module,ename,ordinal,proc);
221 TRACE("SNOOP_GetProcAddress n/a\n");
229 char *forward
= RVA(addr
);
231 char *end
= strchr(forward
, '.');
233 if (!end
) return NULL
;
234 if (end
- forward
>= sizeof(module
)) return NULL
;
235 memcpy( module
, forward
, end
- forward
);
236 module
[end
-forward
] = 0;
237 if (!(wm
= MODULE_FindModule( module
)))
239 ERR("module not found for forward '%s'\n", forward
);
242 return MODULE_GetProcAddress( wm
->module
, end
+ 1, snoop
);
246 static DWORD
fixup_imports( WINE_MODREF
*wm
)
248 IMAGE_IMPORT_DESCRIPTOR
*pe_imp
;
250 unsigned int load_addr
= wm
->module
;
251 int i
,characteristics_detection
=1;
254 assert(wm
->type
==MODULE32_PE
);
255 pem
= &(wm
->binfmt
.pe
);
257 modname
= (char*) RVA(pem
->pe_export
->Name
);
259 modname
= "<unknown>";
262 TRACE("Dumping imports list\n");
265 pe_imp
= pem
->pe_import
;
266 if (!pe_imp
) return 0;
268 /* We assume that we have at least one import with !0 characteristics and
269 * detect broken imports with all characteristsics 0 (notably Borland) and
270 * switch the detection off for them.
272 for (i
= 0; pe_imp
->Name
; pe_imp
++) {
273 if (!i
&& !pe_imp
->u
.Characteristics
)
274 characteristics_detection
= 0;
275 if (characteristics_detection
&& !pe_imp
->u
.Characteristics
)
283 wm
->deps
= HeapAlloc( GetProcessHeap(), 0, i
*sizeof(WINE_MODREF
*) );
285 /* load the imported modules. They are automatically
286 * added to the modref list of the process.
289 for (i
= 0, pe_imp
= pem
->pe_import
; pe_imp
->Name
; pe_imp
++) {
291 IMAGE_IMPORT_BY_NAME
*pe_name
;
292 PIMAGE_THUNK_DATA import_list
,thunk_list
;
293 char *name
= (char *) RVA(pe_imp
->Name
);
295 if (characteristics_detection
&& !pe_imp
->u
.Characteristics
)
298 //#warning FIXME: here we should fill imports
299 TRACE("Loading imports for %s.dll\n", name
);
301 if (pe_imp
->u
.OriginalFirstThunk
!= 0) {
302 TRACE("Microsoft style imports used\n");
303 import_list
=(PIMAGE_THUNK_DATA
) RVA(pe_imp
->u
.OriginalFirstThunk
);
304 thunk_list
= (PIMAGE_THUNK_DATA
) RVA(pe_imp
->FirstThunk
);
306 while (import_list
->u1
.Ordinal
) {
307 if (IMAGE_SNAP_BY_ORDINAL(import_list
->u1
.Ordinal
)) {
308 int ordinal
= IMAGE_ORDINAL(import_list
->u1
.Ordinal
);
310 // TRACE("--- Ordinal %s,%d\n", name, ordinal);
312 thunk_list
->u1
.Function
=LookupExternal(name
, ordinal
);
314 pe_name
= (PIMAGE_IMPORT_BY_NAME
)RVA(import_list
->u1
.AddressOfData
);
315 // TRACE("--- %s %s.%d\n", pe_name->Name, name, pe_name->Hint);
316 thunk_list
->u1
.Function
=LookupExternalByName(name
, pe_name
->Name
);
322 TRACE("Borland style imports used\n");
323 thunk_list
= (PIMAGE_THUNK_DATA
) RVA(pe_imp
->FirstThunk
);
324 while (thunk_list
->u1
.Ordinal
) {
325 if (IMAGE_SNAP_BY_ORDINAL(thunk_list
->u1
.Ordinal
)) {
327 int ordinal
= IMAGE_ORDINAL(thunk_list
->u1
.Ordinal
);
329 TRACE("--- Ordinal %s.%d\n",name
,ordinal
);
330 thunk_list
->u1
.Function
=LookupExternal(
333 pe_name
=(PIMAGE_IMPORT_BY_NAME
) RVA(thunk_list
->u1
.AddressOfData
);
334 TRACE("--- %s %s.%d\n",
335 pe_name
->Name
,name
,pe_name
->Hint
);
336 thunk_list
->u1
.Function
=LookupExternalByName(
337 name
, pe_name
->Name
);
346 static int calc_vma_size( HMODULE hModule
)
349 IMAGE_SECTION_HEADER
*pe_seg
= PE_SECTIONS(hModule
);
351 TRACE("Dump of segment table\n");
352 TRACE(" Name VSz Vaddr SzRaw Fileadr *Reloc *Lineum #Reloc #Linum Char\n");
353 for (i
= 0; i
< PE_HEADER(hModule
)->FileHeader
.NumberOfSections
; i
++)
355 TRACE("%8s: %4.4lx %8.8lx %8.8lx %8.8lx %8.8lx %8.8lx %4.4x %4.4x %8.8lx\n",
357 pe_seg
->Misc
.VirtualSize
,
358 pe_seg
->VirtualAddress
,
359 pe_seg
->SizeOfRawData
,
360 pe_seg
->PointerToRawData
,
361 pe_seg
->PointerToRelocations
,
362 pe_seg
->PointerToLinenumbers
,
363 pe_seg
->NumberOfRelocations
,
364 pe_seg
->NumberOfLinenumbers
,
365 pe_seg
->Characteristics
);
366 vma_size
=max(vma_size
, pe_seg
->VirtualAddress
+pe_seg
->SizeOfRawData
);
367 vma_size
=max(vma_size
, pe_seg
->VirtualAddress
+pe_seg
->Misc
.VirtualSize
);
373 static void do_relocations( unsigned int load_addr
, IMAGE_BASE_RELOCATION
*r
)
375 int delta
= load_addr
- PE_HEADER(load_addr
)->OptionalHeader
.ImageBase
;
376 int hdelta
= (delta
>> 16) & 0xFFFF;
377 int ldelta
= delta
& 0xFFFF;
382 while(r
->VirtualAddress
)
384 char *page
= (char*) RVA(r
->VirtualAddress
);
385 int count
= (r
->SizeOfBlock
- 8)/2;
387 TRACE_(fixup
)("%x relocations for page %lx\n",
388 count
, r
->VirtualAddress
);
392 int offset
= r
->TypeOffset
[i
] & 0xFFF;
393 int type
= r
->TypeOffset
[i
] >> 12;
394 // TRACE_(fixup)("patching %x type %x\n", offset, type);
397 case IMAGE_REL_BASED_ABSOLUTE
: break;
398 case IMAGE_REL_BASED_HIGH
:
399 *(short*)(page
+offset
) += hdelta
;
401 case IMAGE_REL_BASED_LOW
:
402 *(short*)(page
+offset
) += ldelta
;
404 case IMAGE_REL_BASED_HIGHLOW
:
405 *(int*)(page
+offset
) += delta
;
408 case IMAGE_REL_BASED_HIGHADJ
:
409 FIXME("Don't know what to do with IMAGE_REL_BASED_HIGHADJ\n");
411 case IMAGE_REL_BASED_MIPS_JMPADDR
:
412 FIXME("Is this a MIPS machine ???\n");
415 FIXME("Unknown fixup type\n");
419 r
= (IMAGE_BASE_RELOCATION
*)((char*)r
+ r
->SizeOfBlock
);
427 /**********************************************************************
429 * Load one PE format DLL/EXE into memory
431 * Unluckily we can't just mmap the sections where we want them, for
432 * (at least) Linux does only support offsets which are page-aligned.
434 * BUT we have to map the whole image anyway, for Win32 programs sometimes
435 * want to access them. (HMODULE32 point to the start of it)
437 HMODULE
PE_LoadImage( int handle
, LPCSTR filename
, WORD
*version
)
442 IMAGE_NT_HEADERS
*nt
;
443 IMAGE_SECTION_HEADER
*pe_sec
;
444 IMAGE_DATA_DIRECTORY
*dir
;
445 BY_HANDLE_FILE_INFORMATION bhfi
;
446 int i
, rawsize
, lowest_va
, vma_size
, file_size
= 0;
447 DWORD load_addr
= 0, aoep
, reloc
= 0;
448 // struct get_read_fd_request *req = get_req_buffer();
449 int unix_handle
= handle
;
450 int page_size
= getpagesize();
453 // if ( GetFileInformationByHandle( hFile, &bhfi ) )
454 // file_size = bhfi.nFileSizeLow;
455 file_size
=lseek(handle
, 0, SEEK_END
);
456 lseek(handle
, 0, SEEK_SET
);
458 //#warning fix CreateFileMappingA
459 mapping
= CreateFileMappingA( handle
, NULL
, PAGE_READONLY
| SEC_COMMIT
,
463 WARN("CreateFileMapping error %ld\n", GetLastError() );
466 // hModule = (HMODULE)MapViewOfFile( mapping, FILE_MAP_READ, 0, 0, 0 );
467 hModule
=(HMODULE
)mapping
;
468 // CloseHandle( mapping );
471 WARN("MapViewOfFile error %ld\n", GetLastError() );
474 if ( *(WORD
*)hModule
!=IMAGE_DOS_SIGNATURE
)
476 WARN("%s image doesn't have DOS signature, but 0x%04x\n", filename
,*(WORD
*)hModule
);
480 nt
= PE_HEADER( hModule
);
483 if ( nt
->Signature
!= IMAGE_NT_SIGNATURE
)
485 WARN("%s image doesn't have PE signature, but 0x%08lx\n", filename
, nt
->Signature
);
490 if ( nt
->FileHeader
.Machine
!= IMAGE_FILE_MACHINE_I386
)
492 MESSAGE("Trying to load PE image for unsupported architecture (");
493 switch (nt
->FileHeader
.Machine
)
495 case IMAGE_FILE_MACHINE_UNKNOWN
: MESSAGE("Unknown"); break;
496 case IMAGE_FILE_MACHINE_I860
: MESSAGE("I860"); break;
497 case IMAGE_FILE_MACHINE_R3000
: MESSAGE("R3000"); break;
498 case IMAGE_FILE_MACHINE_R4000
: MESSAGE("R4000"); break;
499 case IMAGE_FILE_MACHINE_R10000
: MESSAGE("R10000"); break;
500 case IMAGE_FILE_MACHINE_ALPHA
: MESSAGE("Alpha"); break;
501 case IMAGE_FILE_MACHINE_POWERPC
: MESSAGE("PowerPC"); break;
502 default: MESSAGE("Unknown-%04x", nt
->FileHeader
.Machine
); break;
509 pe_sec
= PE_SECTIONS( hModule
);
510 rawsize
= 0; lowest_va
= 0x10000;
511 for (i
= 0; i
< nt
->FileHeader
.NumberOfSections
; i
++)
513 if (lowest_va
> pe_sec
[i
].VirtualAddress
)
514 lowest_va
= pe_sec
[i
].VirtualAddress
;
515 if (pe_sec
[i
].Characteristics
& IMAGE_SCN_CNT_UNINITIALIZED_DATA
)
517 if (pe_sec
[i
].PointerToRawData
+pe_sec
[i
].SizeOfRawData
> rawsize
)
518 rawsize
= pe_sec
[i
].PointerToRawData
+pe_sec
[i
].SizeOfRawData
;
522 if ( file_size
&& file_size
< rawsize
)
524 ERR("PE module is too small (header: %d, filesize: %d), "
525 "probably truncated download?\n",
526 rawsize
, file_size
);
531 aoep
= nt
->OptionalHeader
.AddressOfEntryPoint
;
532 if (aoep
&& (aoep
< lowest_va
))
533 FIXME("VIRUS WARNING: '%s' has an invalid entrypoint (0x%08lx) "
534 "below the first virtual address (0x%08x) "
535 "(possibly infected by Tchernobyl/SpaceFiller virus)!\n",
536 filename
, aoep
, lowest_va
);
539 /* FIXME: Hack! While we don't really support shared sections yet,
540 * this checks for those special cases where the whole DLL
541 * consists only of shared sections and is mapped into the
542 * shared address space > 2GB. In this case, we assume that
543 * the module got mapped at its base address. Thus we simply
544 * check whether the module has actually been mapped there
545 * and use it, if so. This is needed to get Win95 USER32.DLL
546 * to work (until we support shared sections properly).
549 if ( nt
->OptionalHeader
.ImageBase
& 0x80000000 )
551 HMODULE sharedMod
= (HMODULE
)nt
->OptionalHeader
.ImageBase
;
552 IMAGE_NT_HEADERS
*sharedNt
= (PIMAGE_NT_HEADERS
)
553 ( (LPBYTE
)sharedMod
+ ((LPBYTE
)nt
- (LPBYTE
)hModule
) );
555 /* Well, this check is not really comprehensive,
556 but should be good enough for now ... */
557 if ( !IsBadReadPtr( (LPBYTE
)sharedMod
, sizeof(IMAGE_DOS_HEADER
) )
558 && memcmp( (LPBYTE
)sharedMod
, (LPBYTE
)hModule
, sizeof(IMAGE_DOS_HEADER
) ) == 0
559 && !IsBadReadPtr( sharedNt
, sizeof(IMAGE_NT_HEADERS
) )
560 && memcmp( sharedNt
, nt
, sizeof(IMAGE_NT_HEADERS
) ) == 0 )
562 UnmapViewOfFile( (LPVOID
)hModule
);
569 load_addr
= nt
->OptionalHeader
.ImageBase
;
570 vma_size
= calc_vma_size( hModule
);
572 load_addr
= (DWORD
)VirtualAlloc( (void*)load_addr
, vma_size
,
573 MEM_RESERVE
| MEM_COMMIT
,
574 PAGE_EXECUTE_READWRITE
);
578 FIXME("We need to perform base relocations for %s\n", filename
);
579 dir
= nt
->OptionalHeader
.DataDirectory
+IMAGE_DIRECTORY_ENTRY_BASERELOC
;
581 reloc
= dir
->VirtualAddress
;
584 FIXME( "FATAL: Need to relocate %s, but no relocation records present (%s). Try to run that file directly !\n",
586 (nt
->FileHeader
.Characteristics
&IMAGE_FILE_RELOCS_STRIPPED
)?
587 "stripped during link" : "unknown reason" );
591 /* FIXME: If we need to relocate a system DLL (base > 2GB) we should
592 * really make sure that the *new* base address is also > 2GB.
593 * Some DLLs really check the MSB of the module handle :-/
595 if ( nt
->OptionalHeader
.ImageBase
& 0x80000000 )
596 ERR( "Forced to relocate system DLL (base > 2GB). This is not good.\n" );
598 load_addr
= (DWORD
)VirtualAlloc( NULL
, vma_size
,
599 MEM_RESERVE
| MEM_COMMIT
,
600 PAGE_EXECUTE_READWRITE
);
603 "FATAL: Couldn't load module %s (out of memory, %d needed)!\n", filename
, vma_size
);
608 TRACE("Load addr is %lx (base %lx), range %x\n",
609 load_addr
, nt
->OptionalHeader
.ImageBase
, vma_size
);
610 TRACE_(segment
)("Loading %s at %lx, range %x\n",
611 filename
, load_addr
, vma_size
);
615 *(PIMAGE_DOS_HEADER
)load_addr
= *(PIMAGE_DOS_HEADER
)hModule
;
616 *PE_HEADER( load_addr
) = *nt
;
617 memcpy( PE_SECTIONS(load_addr
), PE_SECTIONS(hModule
),
618 sizeof(IMAGE_SECTION_HEADER
) * nt
->FileHeader
.NumberOfSections
);
621 memcpy( load_addr
, hModule
, lowest_fa
);
624 if ((void*)FILE_dommap( handle
, (void *)load_addr
, 0, nt
->OptionalHeader
.SizeOfHeaders
,
625 0, 0, PROT_EXEC
| PROT_WRITE
| PROT_READ
,
626 MAP_PRIVATE
| MAP_FIXED
) != (void*)load_addr
)
628 ERR_(win32
)( "Critical Error: failed to map PE header to necessary address.\n");
633 pe_sec
= PE_SECTIONS( hModule
);
634 for (i
= 0; i
< nt
->FileHeader
.NumberOfSections
; i
++, pe_sec
++)
636 if (!pe_sec
->SizeOfRawData
|| !pe_sec
->PointerToRawData
) continue;
637 TRACE("%s: mmaping section %s at %p off %lx size %lx/%lx\n",
638 filename
, pe_sec
->Name
, (void*)RVA(pe_sec
->VirtualAddress
),
639 pe_sec
->PointerToRawData
, pe_sec
->SizeOfRawData
, pe_sec
->Misc
.VirtualSize
);
640 if ((void*)FILE_dommap( unix_handle
, (void*)RVA(pe_sec
->VirtualAddress
),
641 0, pe_sec
->SizeOfRawData
, 0, pe_sec
->PointerToRawData
,
642 PROT_EXEC
| PROT_WRITE
| PROT_READ
,
643 MAP_PRIVATE
| MAP_FIXED
) != (void*)RVA(pe_sec
->VirtualAddress
))
646 ERR_(win32
)( "Critical Error: failed to map PE section to necessary address.\n");
649 if ((pe_sec
->SizeOfRawData
< pe_sec
->Misc
.VirtualSize
) &&
650 (pe_sec
->SizeOfRawData
& (page_size
-1)))
652 DWORD end
= (pe_sec
->SizeOfRawData
& ~(page_size
-1)) + page_size
;
653 if (end
> pe_sec
->Misc
.VirtualSize
) end
= pe_sec
->Misc
.VirtualSize
;
654 TRACE("clearing %p - %p\n",
655 RVA(pe_sec
->VirtualAddress
) + pe_sec
->SizeOfRawData
,
656 RVA(pe_sec
->VirtualAddress
) + end
);
657 memset( (char*)RVA(pe_sec
->VirtualAddress
) + pe_sec
->SizeOfRawData
, 0,
658 end
- pe_sec
->SizeOfRawData
);
664 do_relocations( load_addr
, (IMAGE_BASE_RELOCATION
*)RVA(reloc
) );
667 *version
= ( (nt
->OptionalHeader
.MajorSubsystemVersion
& 0xff) << 8 )
668 | (nt
->OptionalHeader
.MinorSubsystemVersion
& 0xff);
671 UnmapViewOfFile( (LPVOID
)hModule
);
672 return (HMODULE
)load_addr
;
675 if (unix_handle
!= -1) close( unix_handle
);
677 VirtualFree( (LPVOID
)load_addr
, 0, MEM_RELEASE
);
678 UnmapViewOfFile( (LPVOID
)hModule
);
682 /**********************************************************************
685 * Create WINE_MODREF structure for loaded HMODULE32, link it into
686 * process modref_list, and fixup all imports.
688 * Note: hModule must point to a correctly allocated PE image,
689 * with base relocations applied; the 16-bit dummy module
690 * associated to hModule must already exist.
692 * Note: This routine must always be called in the context of the
693 * process that is to own the module to be created.
695 WINE_MODREF
*PE_CreateModule( HMODULE hModule
,
696 LPCSTR filename
, DWORD flags
, WIN_BOOL builtin
)
698 DWORD load_addr
= (DWORD
)hModule
;
699 IMAGE_NT_HEADERS
*nt
= PE_HEADER(hModule
);
700 IMAGE_DATA_DIRECTORY
*dir
;
701 IMAGE_IMPORT_DESCRIPTOR
*pe_import
= NULL
;
702 IMAGE_EXPORT_DIRECTORY
*pe_export
= NULL
;
703 IMAGE_RESOURCE_DIRECTORY
*pe_resource
= NULL
;
710 dir
= nt
->OptionalHeader
.DataDirectory
+IMAGE_DIRECTORY_ENTRY_EXPORT
;
712 pe_export
= (PIMAGE_EXPORT_DIRECTORY
)RVA(dir
->VirtualAddress
);
714 dir
= nt
->OptionalHeader
.DataDirectory
+IMAGE_DIRECTORY_ENTRY_IMPORT
;
716 pe_import
= (PIMAGE_IMPORT_DESCRIPTOR
)RVA(dir
->VirtualAddress
);
718 dir
= nt
->OptionalHeader
.DataDirectory
+IMAGE_DIRECTORY_ENTRY_RESOURCE
;
720 pe_resource
= (PIMAGE_RESOURCE_DIRECTORY
)RVA(dir
->VirtualAddress
);
722 dir
= nt
->OptionalHeader
.DataDirectory
+IMAGE_DIRECTORY_ENTRY_EXCEPTION
;
723 if (dir
->Size
) FIXME("Exception directory ignored\n" );
725 dir
= nt
->OptionalHeader
.DataDirectory
+IMAGE_DIRECTORY_ENTRY_SECURITY
;
726 if (dir
->Size
) FIXME("Security directory ignored\n" );
731 dir
= nt
->OptionalHeader
.DataDirectory
+IMAGE_DIRECTORY_ENTRY_DEBUG
;
732 if (dir
->Size
) TRACE("Debug directory ignored\n" );
734 dir
= nt
->OptionalHeader
.DataDirectory
+IMAGE_DIRECTORY_ENTRY_COPYRIGHT
;
735 if (dir
->Size
) FIXME("Copyright string ignored\n" );
737 dir
= nt
->OptionalHeader
.DataDirectory
+IMAGE_DIRECTORY_ENTRY_GLOBALPTR
;
738 if (dir
->Size
) FIXME("Global Pointer (MIPS) ignored\n" );
742 dir
= nt
->OptionalHeader
.DataDirectory
+IMAGE_DIRECTORY_ENTRY_LOAD_CONFIG
;
743 if (dir
->Size
) FIXME("Load Configuration directory ignored\n" );
745 dir
= nt
->OptionalHeader
.DataDirectory
+IMAGE_DIRECTORY_ENTRY_BOUND_IMPORT
;
746 if (dir
->Size
) TRACE("Bound Import directory ignored\n" );
748 dir
= nt
->OptionalHeader
.DataDirectory
+IMAGE_DIRECTORY_ENTRY_IAT
;
749 if (dir
->Size
) TRACE("Import Address Table directory ignored\n" );
751 dir
= nt
->OptionalHeader
.DataDirectory
+IMAGE_DIRECTORY_ENTRY_DELAY_IMPORT
;
754 TRACE("Delayed import, stub calls LoadLibrary\n" );
756 * Nothing to do here.
761 * This code is useful to observe what the heck is going on.
764 ImgDelayDescr
*pe_delay
= NULL
;
765 pe_delay
= (PImgDelayDescr
)RVA(dir
->VirtualAddress
);
766 TRACE_(delayhlp
)("pe_delay->grAttrs = %08x\n", pe_delay
->grAttrs
);
767 TRACE_(delayhlp
)("pe_delay->szName = %s\n", pe_delay
->szName
);
768 TRACE_(delayhlp
)("pe_delay->phmod = %08x\n", pe_delay
->phmod
);
769 TRACE_(delayhlp
)("pe_delay->pIAT = %08x\n", pe_delay
->pIAT
);
770 TRACE_(delayhlp
)("pe_delay->pINT = %08x\n", pe_delay
->pINT
);
771 TRACE_(delayhlp
)("pe_delay->pBoundIAT = %08x\n", pe_delay
->pBoundIAT
);
772 TRACE_(delayhlp
)("pe_delay->pUnloadIAT = %08x\n", pe_delay
->pUnloadIAT
);
773 TRACE_(delayhlp
)("pe_delay->dwTimeStamp = %08x\n", pe_delay
->dwTimeStamp
);
778 dir
= nt
->OptionalHeader
.DataDirectory
+IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR
;
779 if (dir
->Size
) FIXME("Unknown directory 14 ignored\n" );
781 dir
= nt
->OptionalHeader
.DataDirectory
+15;
782 if (dir
->Size
) FIXME("Unknown directory 15 ignored\n" );
787 wm
= (WINE_MODREF
*)HeapAlloc( GetProcessHeap(),
788 HEAP_ZERO_MEMORY
, sizeof(*wm
) );
789 wm
->module
= hModule
;
792 wm
->flags
|= WINE_MODREF_INTERNAL
;
793 if ( flags
& DONT_RESOLVE_DLL_REFERENCES
)
794 wm
->flags
|= WINE_MODREF_DONT_RESOLVE_REFS
;
795 if ( flags
& LOAD_LIBRARY_AS_DATAFILE
)
796 wm
->flags
|= WINE_MODREF_LOAD_AS_DATAFILE
;
798 wm
->type
= MODULE32_PE
;
799 wm
->binfmt
.pe
.pe_export
= pe_export
;
800 wm
->binfmt
.pe
.pe_import
= pe_import
;
801 wm
->binfmt
.pe
.pe_resource
= pe_resource
;
802 wm
->binfmt
.pe
.tlsindex
= -1;
804 wm
->filename
= malloc(strlen(filename
)+1);
805 strcpy(wm
->filename
, filename
);
806 wm
->modname
= strrchr( wm
->filename
, '\\' );
807 if (!wm
->modname
) wm
->modname
= wm
->filename
;
811 dump_exports( hModule
);
816 && !( wm
->flags
& WINE_MODREF_LOAD_AS_DATAFILE
)
817 && !( wm
->flags
& WINE_MODREF_DONT_RESOLVE_REFS
)
818 && fixup_imports( wm
) )
820 /* remove entry from modref chain */
827 /******************************************************************************
828 * The PE Library Loader frontend.
829 * FIXME: handle the flags.
831 WINE_MODREF
*PE_LoadLibraryExA (LPCSTR name
, DWORD flags
)
840 strncpy(filename
, name
, sizeof(filename
));
841 hFile
=open(filename
, O_RDONLY
);
846 hModule32
= PE_LoadImage( hFile
, filename
, &version
);
849 SetLastError( ERROR_OUTOFMEMORY
);
853 if ( !(wm
= PE_CreateModule( hModule32
, filename
, flags
, FALSE
)) )
855 ERR( "can't load %s\n", filename
);
856 SetLastError( ERROR_OUTOFMEMORY
);
860 //printf("^^^^^^^^^^^^^^^^Alloc VM1 %p\n", wm);
865 /*****************************************************************************
868 * Unload the library unmapping the image and freeing the modref structure.
870 void PE_UnloadLibrary(WINE_MODREF
*wm
)
872 TRACE(" unloading %s\n", wm
->filename
);
876 if (wm
->short_filename
)
877 free(wm
->short_filename
);
878 HeapFree( GetProcessHeap(), 0, wm
->deps
);
879 VirtualFree( (LPVOID
)wm
->module
, 0, MEM_RELEASE
);
880 HeapFree( GetProcessHeap(), 0, wm
);
881 //printf("^^^^^^^^^^^^^^^^Free VM1 %p\n", wm);
884 /*****************************************************************************
885 * Load the PE main .EXE. All other loading is done by PE_LoadLibraryExA
886 * FIXME: this function should use PE_LoadLibraryExA, but currently can't
887 * due to the PROCESS_Create stuff.
892 * This is a dirty hack.
893 * The win32 DLLs contain an alloca routine, that first probes the soon
894 * to be allocated new memory *below* the current stack pointer in 4KByte
895 * increments. After the mem probing below the current %esp, the stack
896 * pointer is finally decremented to make room for the "alloca"ed memory.
897 * Maybe the probing code is intended to extend the stack on a windows box.
898 * Anyway, the linux kernel does *not* extend the stack by simply accessing
899 * memory below %esp; it segfaults.
900 * The extend_stack_for_dll_alloca() routine just preallocates a big chunk
901 * of memory on the stack, for use by the DLLs alloca routine.
902 * Added the noinline attribute as e.g. gcc 3.2.2 inlines this function
903 * in a way that breaks it.
905 static void __attribute__((noinline
)) extend_stack_for_dll_alloca(void)
907 #if !defined(__FreeBSD__) && !defined(__DragonFly__)
908 volatile int* mem
=alloca(0x20000);
913 /* Called if the library is loaded or freed.
914 * NOTE: if a thread attaches a DLL, the current thread will only do
915 * DLL_PROCESS_ATTACH. Only new created threads do DLL_THREAD_ATTACH
918 WIN_BOOL
PE_InitDLL( WINE_MODREF
*wm
, DWORD type
, LPVOID lpReserved
)
920 WIN_BOOL retv
= TRUE
;
921 assert( wm
->type
== MODULE32_PE
);
924 if ((PE_HEADER(wm
->module
)->FileHeader
.Characteristics
& IMAGE_FILE_DLL
) &&
925 (PE_HEADER(wm
->module
)->OptionalHeader
.AddressOfEntryPoint
)
928 entry
= (void*)PE_FindExportedFunction(wm
, "DllMain", 0);
930 entry
= (void*)RVA_PTR( wm
->module
,OptionalHeader
.AddressOfEntryPoint
);
932 TRACE_(relay
)("CallTo32(entryproc=%p,module=%08x,type=%ld,res=%p)\n",
933 entry
, wm
->module
, type
, lpReserved
);
936 TRACE("Entering DllMain(");
939 case DLL_PROCESS_DETACH
:
940 TRACE("DLL_PROCESS_DETACH) ");
942 case DLL_PROCESS_ATTACH
:
943 TRACE("DLL_PROCESS_ATTACH) ");
945 case DLL_THREAD_DETACH
:
946 TRACE("DLL_THREAD_DETACH) ");
948 case DLL_THREAD_ATTACH
:
949 TRACE("DLL_THREAD_ATTACH) ");
952 TRACE("for %s\n", wm
->filename
);
953 extend_stack_for_dll_alloca();
954 retv
= entry( wm
->module
, type
, lpReserved
);
961 _fixup_address(PIMAGE_OPTIONAL_HEADER opt
,int delta
,LPVOID addr
) {
962 if ( ((DWORD
)addr
>opt
->ImageBase
) &&
963 ((DWORD
)addr
<opt
->ImageBase
+opt
->SizeOfImage
)
966 return (LPVOID
)(((DWORD
)addr
)+delta
);