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
13 * Before you start changing something in this file be aware of the following:
15 * - There are several functions called recursively. In a very subtle and
16 * obscure way. DLLs can reference each other recursively etc.
17 * - If you want to enhance, speed up or clean up something in here, think
18 * twice WHY it is implemented in that strange way. There is usually a reason.
19 * Though sometimes it might just be lazyness ;)
20 * - In PE_MapImage, right before fixup_imports() all external and internal
21 * state MUST be correct since this function can be called with the SAME image
22 * AGAIN. (Thats recursion for you.) That means MODREF.module and
24 * - No, you (usually) cannot use Linux mmap() to mmap() the images directly.
26 * The problem is, that there is not direct 1:1 mapping from a diskimage and
27 * a memoryimage. The headers at the start are mapped linear, but the sections
28 * are not. For x86 the sections are 512 byte aligned in file and 4096 byte
29 * aligned in memory. Linux likes them 4096 byte aligned in memory (due to
30 * x86 pagesize, this cannot be fixed without a rather large kernel rewrite)
31 * and 'blocksize' file-aligned (offsets). Since we have 512/1024/2048 (CDROM)
32 * and other byte blocksizes, we can't do this. However, this could be less
33 * difficult to support... (See mm/filemap.c).
43 #include <sys/types.h>
45 #ifdef HAVE_SYS_MMAN_H
63 #include "debugtools.h"
65 DECLARE_DEBUG_CHANNEL(delayhlp)
66 DECLARE_DEBUG_CHANNEL(fixup)
67 DECLARE_DEBUG_CHANNEL(module)
68 DECLARE_DEBUG_CHANNEL(relay)
69 DECLARE_DEBUG_CHANNEL(segment)
70 DECLARE_DEBUG_CHANNEL(win32)
73 /* convert PE image VirtualAddress to Real Address */
74 #define RVA(x) ((unsigned int)load_addr+(unsigned int)(x))
76 #define AdjustPtr(ptr,delta) ((char *)(ptr) + (delta))
78 void dump_exports( HMODULE hModule )
83 u_long *function,*functions;
85 unsigned int load_addr = hModule;
87 DWORD rva_start = PE_HEADER(hModule)->OptionalHeader
88 .DataDirectory[IMAGE_DIRECTORY_ENTRY_EXPORT].VirtualAddress;
89 DWORD rva_end = rva_start + PE_HEADER(hModule)->OptionalHeader
90 .DataDirectory[IMAGE_DIRECTORY_ENTRY_EXPORT].Size;
91 IMAGE_EXPORT_DIRECTORY *pe_exports = (IMAGE_EXPORT_DIRECTORY*)RVA(rva_start);
93 Module = (char*)RVA(pe_exports->Name);
94 TRACE_(win32)("*******EXPORT DATA*******\n");
95 TRACE_(win32)("Module name is %s, %ld functions, %ld names\n",
96 Module, pe_exports->NumberOfFunctions, pe_exports->NumberOfNames);
98 ordinal=(u_short*) RVA(pe_exports->AddressOfNameOrdinals);
99 functions=function=(u_long*) RVA(pe_exports->AddressOfFunctions);
100 name=(u_char**) RVA(pe_exports->AddressOfNames);
102 TRACE_(win32)(" Ord RVA Addr Name\n" );
103 for (i=0;i<pe_exports->NumberOfFunctions;i++, function++)
105 if (!*function) continue; /* No such function */
108 DPRINTF( "%4ld %08lx %08x", i + pe_exports->Base, *function, RVA(*function) );
109 /* Check if we have a name for it */
110 for (j = 0; j < pe_exports->NumberOfNames; j++)
113 DPRINTF( " %s", (char*)RVA(name[j]) );
116 if ((*function >= rva_start) && (*function <= rva_end))
117 DPRINTF(" (forwarded -> %s)", (char *)RVA(*function));
123 /* Look up the specified function or ordinal in the exportlist:
125 * - look up the name in the Name list.
126 * - look up the ordinal with that index.
127 * - use the ordinal as offset into the functionlist
128 * If it is a ordinal:
129 * - use ordinal-pe_export->Base as offset into the functionlist
131 FARPROC PE_FindExportedFunction(
132 WINE_MODREF *wm, /* [in] WINE modreference */
133 LPCSTR funcName, /* [in] function name */
138 u_char ** name, *ename;
140 PE_MODREF *pem = &(wm->binfmt.pe);
141 IMAGE_EXPORT_DIRECTORY *exports = pem->pe_export;
142 unsigned int load_addr = wm->module;
143 u_long rva_start, rva_end, addr;
146 if (HIWORD(funcName))
147 TRACE_(win32)("(%s)\n",funcName);
149 TRACE_(win32)("(%d)\n",(int)funcName);
151 /* Not a fatal problem, some apps do
152 * GetProcAddress(0,"RegisterPenApp") which triggers this
155 WARN_(win32)("Module %08x(%s)/MODREF %p doesn't have a exports table.\n",wm->module,wm->modname,pem);
158 ordinal = (u_short*) RVA(exports->AddressOfNameOrdinals);
159 function= (u_long*) RVA(exports->AddressOfFunctions);
160 name = (u_char **) RVA(exports->AddressOfNames);
162 rva_start = PE_HEADER(wm->module)->OptionalHeader
163 .DataDirectory[IMAGE_DIRECTORY_ENTRY_EXPORT].VirtualAddress;
164 rva_end = rva_start + PE_HEADER(wm->module)->OptionalHeader
165 .DataDirectory[IMAGE_DIRECTORY_ENTRY_EXPORT].Size;
167 if (HIWORD(funcName)) {
168 for(i=0; i<exports->NumberOfNames; i++) {
169 ename=(char*)RVA(*name);
170 if(!strcmp(ename,funcName))
172 addr = function[*ordinal];
173 if (!addr) return NULL;
174 if ((addr < rva_start) || (addr >= rva_end))
175 return snoop? SNOOP_GetProcAddress(wm->module,ename,*ordinal,(FARPROC)RVA(addr))
176 : (FARPROC)RVA(addr);
177 forward = (char *)RVA(addr);
185 if (LOWORD(funcName)-exports->Base > exports->NumberOfFunctions) {
186 TRACE_(win32)(" ordinal %d out of range!\n",
190 addr = function[(int)funcName-exports->Base];
191 if (!addr) return NULL;
194 for (i=0;i<exports->NumberOfNames;i++) {
195 ename = (char*)RVA(*name);
196 if (*ordinal == LOWORD(funcName)-exports->Base)
201 if (i==exports->NumberOfNames)
204 if ((addr < rva_start) || (addr >= rva_end))
205 return snoop? SNOOP_GetProcAddress(wm->module,ename,(DWORD)funcName-exports->Base,(FARPROC)RVA(addr))
206 : (FARPROC)RVA(addr);
207 forward = (char *)RVA(addr);
213 char *end = strchr(forward, '.');
215 if (!end) return NULL;
216 assert(end-forward<256);
217 strncpy(module, forward, (end - forward));
218 module[end-forward] = 0;
219 if (!(wm = MODULE_FindModule( module )))
221 ERR_(win32)("module not found for forward '%s'\n", forward );
224 return MODULE_GetProcAddress( wm->module, end + 1, snoop );
229 DWORD fixup_imports( WINE_MODREF *wm )
231 IMAGE_IMPORT_DESCRIPTOR *pe_imp;
233 unsigned int load_addr = wm->module;
234 int i,characteristics_detection=1;
237 assert(wm->type==MODULE32_PE);
238 pem = &(wm->binfmt.pe);
240 modname = (char*) RVA(pem->pe_export->Name);
242 modname = "<unknown>";
244 /* OK, now dump the import list */
245 TRACE_(win32)("Dumping imports list\n");
247 /* first, count the number of imported non-internal modules */
248 pe_imp = pem->pe_import;
249 if (!pe_imp) return 0;
251 /* We assume that we have at least one import with !0 characteristics and
252 * detect broken imports with all characteristsics 0 (notably Borland) and
253 * switch the detection off for them.
255 for (i = 0; pe_imp->Name ; pe_imp++) {
256 if (!i && !pe_imp->u.Characteristics)
257 characteristics_detection = 0;
258 if (characteristics_detection && !pe_imp->u.Characteristics)
262 if (!i) return 0; /* no imports */
264 /* Allocate module dependency list */
266 wm->deps = HeapAlloc( GetProcessHeap(), 0, i*sizeof(WINE_MODREF *) );
268 /* load the imported modules. They are automatically
269 * added to the modref list of the process.
272 for (i = 0, pe_imp = pem->pe_import; pe_imp->Name ; pe_imp++) {
274 IMAGE_IMPORT_BY_NAME *pe_name;
275 PIMAGE_THUNK_DATA import_list,thunk_list;
276 char *name = (char *) RVA(pe_imp->Name);
278 if (characteristics_detection && !pe_imp->u.Characteristics)
281 /* don't use MODULE_Load, Win32 creates new task differently */
282 wmImp = MODULE_LoadLibraryExA( name, 0, 0 );
284 char *p,buffer[2000];
286 /* GetModuleFileName would use the wrong process, so don't use it */
287 strcpy(buffer,wm->shortname);
288 if (!(p = strrchr (buffer, '\\')))
290 strcpy (p + 1, name);
291 wmImp = MODULE_LoadLibraryExA( buffer, 0, 0 );
294 ERR_(module)("Module %s not found\n", name);
297 wm->deps[i++] = wmImp;
299 /* FIXME: forwarder entries ... */
301 if (pe_imp->u.OriginalFirstThunk != 0) { /* original MS style */
302 TRACE_(win32)("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_(win32)("--- Ordinal %s,%d\n", name, ordinal);
311 thunk_list->u1.Function=MODULE_GetProcAddress(
312 wmImp->module, (LPCSTR)ordinal, TRUE
314 if (!thunk_list->u1.Function) {
315 ERR_(win32)("No implementation for %s.%d, setting to 0xdeadbeef\n",
317 thunk_list->u1.Function = (FARPROC)0xdeadbeef;
319 } else { /* import by name */
320 pe_name = (PIMAGE_IMPORT_BY_NAME)RVA(import_list->u1.AddressOfData);
321 TRACE_(win32)("--- %s %s.%d\n", pe_name->Name, name, pe_name->Hint);
322 thunk_list->u1.Function=MODULE_GetProcAddress(
323 wmImp->module, pe_name->Name, TRUE
325 if (!thunk_list->u1.Function) {
326 ERR_(win32)("No implementation for %s.%d(%s), setting to 0xdeadbeef\n",
327 name,pe_name->Hint,pe_name->Name);
328 thunk_list->u1.Function = (FARPROC)0xdeadbeef;
334 } else { /* Borland style */
335 TRACE_(win32)("Borland style imports used\n");
336 thunk_list = (PIMAGE_THUNK_DATA) RVA(pe_imp->FirstThunk);
337 while (thunk_list->u1.Ordinal) {
338 if (IMAGE_SNAP_BY_ORDINAL(thunk_list->u1.Ordinal)) {
339 /* not sure about this branch, but it seems to work */
340 int ordinal = IMAGE_ORDINAL(thunk_list->u1.Ordinal);
342 TRACE_(win32)("--- Ordinal %s.%d\n",name,ordinal);
343 thunk_list->u1.Function=MODULE_GetProcAddress(
344 wmImp->module, (LPCSTR) ordinal, TRUE
346 if (!thunk_list->u1.Function) {
347 ERR_(win32)("No implementation for %s.%d, setting to 0xdeadbeef\n",
349 thunk_list->u1.Function = (FARPROC)0xdeadbeef;
352 pe_name=(PIMAGE_IMPORT_BY_NAME) RVA(thunk_list->u1.AddressOfData);
353 TRACE_(win32)("--- %s %s.%d\n",
354 pe_name->Name,name,pe_name->Hint);
355 thunk_list->u1.Function=MODULE_GetProcAddress(
356 wmImp->module, pe_name->Name, TRUE
358 if (!thunk_list->u1.Function) {
359 ERR_(win32)("No implementation for %s.%d, setting to 0xdeadbeef\n",
360 name, pe_name->Hint);
361 thunk_list->u1.Function = (FARPROC)0xdeadbeef;
371 static int calc_vma_size( HMODULE hModule )
374 IMAGE_SECTION_HEADER *pe_seg = PE_SECTIONS(hModule);
376 TRACE_(win32)("Dump of segment table\n");
377 TRACE_(win32)(" Name VSz Vaddr SzRaw Fileadr *Reloc *Lineum #Reloc #Linum Char\n");
378 for (i = 0; i< PE_HEADER(hModule)->FileHeader.NumberOfSections; i++)
380 TRACE_(win32)("%8s: %4.4lx %8.8lx %8.8lx %8.8lx %8.8lx %8.8lx %4.4x %4.4x %8.8lx\n",
382 pe_seg->Misc.VirtualSize,
383 pe_seg->VirtualAddress,
384 pe_seg->SizeOfRawData,
385 pe_seg->PointerToRawData,
386 pe_seg->PointerToRelocations,
387 pe_seg->PointerToLinenumbers,
388 pe_seg->NumberOfRelocations,
389 pe_seg->NumberOfLinenumbers,
390 pe_seg->Characteristics);
391 vma_size=MAX(vma_size, pe_seg->VirtualAddress+pe_seg->SizeOfRawData);
392 vma_size=MAX(vma_size, pe_seg->VirtualAddress+pe_seg->Misc.VirtualSize);
398 static void do_relocations( unsigned int load_addr, IMAGE_BASE_RELOCATION *r )
400 int delta = load_addr - PE_HEADER(load_addr)->OptionalHeader.ImageBase;
401 int hdelta = (delta >> 16) & 0xFFFF;
402 int ldelta = delta & 0xFFFF;
407 while(r->VirtualAddress)
409 char *page = (char*) RVA(r->VirtualAddress);
410 int count = (r->SizeOfBlock - 8)/2;
412 TRACE_(fixup)("%x relocations for page %lx\n",
413 count, r->VirtualAddress);
414 /* patching in reverse order */
417 int offset = r->TypeOffset[i] & 0xFFF;
418 int type = r->TypeOffset[i] >> 12;
419 TRACE_(fixup)("patching %x type %x\n", offset, type);
422 case IMAGE_REL_BASED_ABSOLUTE: break;
423 case IMAGE_REL_BASED_HIGH:
424 *(short*)(page+offset) += hdelta;
426 case IMAGE_REL_BASED_LOW:
427 *(short*)(page+offset) += ldelta;
429 case IMAGE_REL_BASED_HIGHLOW:
430 *(int*)(page+offset) += delta;
431 /* FIXME: if this is an exported address, fire up enhanced logic */
433 case IMAGE_REL_BASED_HIGHADJ:
434 FIXME_(win32)("Don't know what to do with IMAGE_REL_BASED_HIGHADJ\n");
436 case IMAGE_REL_BASED_MIPS_JMPADDR:
437 FIXME_(win32)("Is this a MIPS machine ???\n");
440 FIXME_(win32)("Unknown fixup type\n");
444 r = (IMAGE_BASE_RELOCATION*)((char*)r + r->SizeOfBlock);
452 /**********************************************************************
454 * Load one PE format DLL/EXE into memory
456 * Unluckily we can't just mmap the sections where we want them, for
457 * (at least) Linux does only support offsets which are page-aligned.
459 * BUT we have to map the whole image anyway, for Win32 programs sometimes
460 * want to access them. (HMODULE32 point to the start of it)
462 HMODULE PE_LoadImage( HFILE hFile, OFSTRUCT *ofs, LPCSTR *modName, WORD *version )
467 IMAGE_NT_HEADERS *nt;
468 IMAGE_SECTION_HEADER *pe_sec;
469 IMAGE_DATA_DIRECTORY *dir;
470 BY_HANDLE_FILE_INFORMATION bhfi;
471 int i, rawsize, lowest_va, lowest_fa, vma_size, file_size = 0;
472 DWORD load_addr, aoep, reloc = 0;
474 /* Retrieve file size */
475 if ( GetFileInformationByHandle( hFile, &bhfi ) )
476 file_size = bhfi.nFileSizeLow; /* FIXME: 64 bit */
478 /* Map the PE file somewhere */
479 mapping = CreateFileMappingA( hFile, NULL, PAGE_READONLY | SEC_COMMIT,
483 WARN_(win32)("CreateFileMapping error %ld\n", GetLastError() );
486 hModule = (HMODULE)MapViewOfFile( mapping, FILE_MAP_READ, 0, 0, 0 );
487 CloseHandle( mapping );
490 WARN_(win32)("MapViewOfFile error %ld\n", GetLastError() );
493 nt = PE_HEADER( hModule );
495 /* Check signature */
496 if ( nt->Signature != IMAGE_NT_SIGNATURE )
498 WARN_(win32)("image doesn't have PE signature, but 0x%08lx\n",
503 /* Check architecture */
504 if ( nt->FileHeader.Machine != IMAGE_FILE_MACHINE_I386 )
506 MESSAGE("Trying to load PE image for unsupported architecture (");
507 switch (nt->FileHeader.Machine)
509 case IMAGE_FILE_MACHINE_UNKNOWN: MESSAGE("Unknown"); break;
510 case IMAGE_FILE_MACHINE_I860: MESSAGE("I860"); break;
511 case IMAGE_FILE_MACHINE_R3000: MESSAGE("R3000"); break;
512 case IMAGE_FILE_MACHINE_R4000: MESSAGE("R4000"); break;
513 case IMAGE_FILE_MACHINE_R10000: MESSAGE("R10000"); break;
514 case IMAGE_FILE_MACHINE_ALPHA: MESSAGE("Alpha"); break;
515 case IMAGE_FILE_MACHINE_POWERPC: MESSAGE("PowerPC"); break;
516 default: MESSAGE("Unknown-%04x", nt->FileHeader.Machine); break;
522 /* Find out how large this executeable should be */
523 pe_sec = PE_SECTIONS( hModule );
524 rawsize = 0; lowest_va = 0x10000; lowest_fa = 0x10000;
525 for (i = 0; i < nt->FileHeader.NumberOfSections; i++)
527 if (lowest_va > pe_sec[i].VirtualAddress)
528 lowest_va = pe_sec[i].VirtualAddress;
529 if (pe_sec[i].Characteristics & IMAGE_SCN_CNT_UNINITIALIZED_DATA)
531 if (pe_sec[i].PointerToRawData < lowest_fa)
532 lowest_fa = pe_sec[i].PointerToRawData;
533 if (pe_sec[i].PointerToRawData+pe_sec[i].SizeOfRawData > rawsize)
534 rawsize = pe_sec[i].PointerToRawData+pe_sec[i].SizeOfRawData;
537 /* Check file size */
538 if ( file_size && file_size < rawsize )
540 ERR_(win32)("PE module is too small (header: %d, filesize: %d), "
541 "probably truncated download?\n",
542 rawsize, file_size );
546 /* Check entrypoint address */
547 aoep = nt->OptionalHeader.AddressOfEntryPoint;
548 if (aoep && (aoep < lowest_va))
549 FIXME_(win32)("WARNING: '%s' has an invalid entrypoint (0x%08lx) "
550 "below the first virtual address (0x%08x) "
551 "(possible Virus Infection or broken binary)!\n",
552 ofs->szPathName, aoep, lowest_va );
555 /* FIXME: Hack! While we don't really support shared sections yet,
556 * this checks for those special cases where the whole DLL
557 * consists only of shared sections and is mapped into the
558 * shared address space > 2GB. In this case, we assume that
559 * the module got mapped at its base address. Thus we simply
560 * check whether the module has actually been mapped there
561 * and use it, if so. This is needed to get Win95 USER32.DLL
562 * to work (until we support shared sections properly).
565 if ( nt->OptionalHeader.ImageBase & 0x80000000 )
567 HMODULE sharedMod = (HMODULE)nt->OptionalHeader.ImageBase;
568 IMAGE_NT_HEADERS *sharedNt = (PIMAGE_NT_HEADERS)
569 ( (LPBYTE)sharedMod + ((LPBYTE)nt - (LPBYTE)hModule) );
571 /* Well, this check is not really comprehensive,
572 but should be good enough for now ... */
573 if ( !IsBadReadPtr( (LPBYTE)sharedMod, sizeof(IMAGE_DOS_HEADER) )
574 && memcmp( (LPBYTE)sharedMod, (LPBYTE)hModule, sizeof(IMAGE_DOS_HEADER) ) == 0
575 && !IsBadReadPtr( sharedNt, sizeof(IMAGE_NT_HEADERS) )
576 && memcmp( sharedNt, nt, sizeof(IMAGE_NT_HEADERS) ) == 0 )
578 UnmapViewOfFile( (LPVOID)hModule );
584 /* Allocate memory for module */
585 load_addr = nt->OptionalHeader.ImageBase;
586 vma_size = calc_vma_size( hModule );
588 load_addr = (DWORD)VirtualAlloc( (void*)load_addr, vma_size,
589 MEM_RESERVE | MEM_COMMIT,
590 PAGE_EXECUTE_READWRITE );
593 /* We need to perform base relocations */
594 dir = nt->OptionalHeader.DataDirectory+IMAGE_DIRECTORY_ENTRY_BASERELOC;
596 reloc = dir->VirtualAddress;
600 "FATAL: Need to relocate %s, but no relocation records present (%s). Try to run that file directly !\n",
602 (nt->FileHeader.Characteristics&IMAGE_FILE_RELOCS_STRIPPED)?
603 "stripped during link" : "unknown reason" );
607 /* FIXME: If we need to relocate a system DLL (base > 2GB) we should
608 * really make sure that the *new* base address is also > 2GB.
609 * Some DLLs really check the MSB of the module handle :-/
611 if ( nt->OptionalHeader.ImageBase & 0x80000000 )
612 ERR_(win32)( "Forced to relocate system DLL (base > 2GB). This is not good.\n" );
614 load_addr = (DWORD)VirtualAlloc( NULL, vma_size,
615 MEM_RESERVE | MEM_COMMIT,
616 PAGE_EXECUTE_READWRITE );
619 TRACE_(win32)("Load addr is %lx (base %lx), range %x\n",
620 load_addr, nt->OptionalHeader.ImageBase, vma_size );
621 TRACE_(segment)("Loading %s at %lx, range %x\n",
622 ofs->szPathName, load_addr, vma_size );
624 /* Store the NT header at the load addr */
625 *(PIMAGE_DOS_HEADER)load_addr = *(PIMAGE_DOS_HEADER)hModule;
626 *PE_HEADER( load_addr ) = *nt;
627 memcpy( PE_SECTIONS(load_addr), PE_SECTIONS(hModule),
628 sizeof(IMAGE_SECTION_HEADER) * nt->FileHeader.NumberOfSections );
630 /* Copies all stuff up to the first section. Including win32 viruses. */
631 memcpy( load_addr, hModule, lowest_fa );
634 /* Copy sections into module image */
635 pe_sec = PE_SECTIONS( hModule );
636 for (i = 0; i < nt->FileHeader.NumberOfSections; i++, pe_sec++)
638 /* memcpy only non-BSS segments */
639 /* FIXME: this should be done by mmap(..MAP_PRIVATE|MAP_FIXED..)
640 * but it is not possible for (at least) Linux needs
641 * a page-aligned offset.
643 if(!(pe_sec->Characteristics & IMAGE_SCN_CNT_UNINITIALIZED_DATA))
644 memcpy((char*)RVA(pe_sec->VirtualAddress),
645 (char*)(hModule + pe_sec->PointerToRawData),
646 pe_sec->SizeOfRawData);
648 /* not needed, memory is zero */
649 if(strcmp(pe_sec->Name, ".bss") == 0)
650 memset((void *)RVA(pe_sec->VirtualAddress), 0,
651 pe_sec->Misc.VirtualSize ?
652 pe_sec->Misc.VirtualSize :
653 pe_sec->SizeOfRawData);
657 /* Perform base relocation, if necessary */
659 do_relocations( load_addr, (IMAGE_BASE_RELOCATION *)RVA(reloc) );
661 /* Get module name */
662 dir = nt->OptionalHeader.DataDirectory+IMAGE_DIRECTORY_ENTRY_EXPORT;
664 *modName = (LPCSTR)RVA(((PIMAGE_EXPORT_DIRECTORY)RVA(dir->VirtualAddress))->Name);
666 /* Get expected OS / Subsystem version */
667 *version = ( (nt->OptionalHeader.MajorSubsystemVersion & 0xff) << 8 )
668 | (nt->OptionalHeader.MinorSubsystemVersion & 0xff);
670 /* We don't need the orignal mapping any more */
671 UnmapViewOfFile( (LPVOID)hModule );
672 return (HMODULE)load_addr;
675 UnmapViewOfFile( (LPVOID)hModule );
679 /**********************************************************************
682 * Create WINE_MODREF structure for loaded HMODULE32, link it into
683 * process modref_list, and fixup all imports.
685 * Note: hModule must point to a correctly allocated PE image,
686 * with base relocations applied; the 16-bit dummy module
687 * associated to hModule must already exist.
689 * Note: This routine must always be called in the context of the
690 * process that is to own the module to be created.
692 WINE_MODREF *PE_CreateModule( HMODULE hModule,
693 OFSTRUCT *ofs, DWORD flags, BOOL builtin )
695 DWORD load_addr = (DWORD)hModule; /* for RVA */
696 IMAGE_NT_HEADERS *nt = PE_HEADER(hModule);
697 IMAGE_DATA_DIRECTORY *dir;
698 IMAGE_IMPORT_DESCRIPTOR *pe_import = NULL;
699 IMAGE_EXPORT_DIRECTORY *pe_export = NULL;
700 IMAGE_RESOURCE_DIRECTORY *pe_resource = NULL;
706 /* Retrieve DataDirectory entries */
708 dir = nt->OptionalHeader.DataDirectory+IMAGE_DIRECTORY_ENTRY_EXPORT;
710 pe_export = (PIMAGE_EXPORT_DIRECTORY)RVA(dir->VirtualAddress);
712 dir = nt->OptionalHeader.DataDirectory+IMAGE_DIRECTORY_ENTRY_IMPORT;
714 pe_import = (PIMAGE_IMPORT_DESCRIPTOR)RVA(dir->VirtualAddress);
716 dir = nt->OptionalHeader.DataDirectory+IMAGE_DIRECTORY_ENTRY_RESOURCE;
718 pe_resource = (PIMAGE_RESOURCE_DIRECTORY)RVA(dir->VirtualAddress);
720 dir = nt->OptionalHeader.DataDirectory+IMAGE_DIRECTORY_ENTRY_EXCEPTION;
721 if (dir->Size) FIXME_(win32)("Exception directory ignored\n" );
723 dir = nt->OptionalHeader.DataDirectory+IMAGE_DIRECTORY_ENTRY_SECURITY;
724 if (dir->Size) FIXME_(win32)("Security directory ignored\n" );
726 /* IMAGE_DIRECTORY_ENTRY_BASERELOC handled in PE_LoadImage */
727 /* IMAGE_DIRECTORY_ENTRY_DEBUG handled by debugger */
729 dir = nt->OptionalHeader.DataDirectory+IMAGE_DIRECTORY_ENTRY_DEBUG;
730 if (dir->Size) TRACE_(win32)("Debug directory ignored\n" );
732 dir = nt->OptionalHeader.DataDirectory+IMAGE_DIRECTORY_ENTRY_COPYRIGHT;
733 if (dir->Size) FIXME_(win32)("Copyright string ignored\n" );
735 dir = nt->OptionalHeader.DataDirectory+IMAGE_DIRECTORY_ENTRY_GLOBALPTR;
736 if (dir->Size) FIXME_(win32)("Global Pointer (MIPS) ignored\n" );
738 /* IMAGE_DIRECTORY_ENTRY_TLS handled in PE_TlsInit */
740 dir = nt->OptionalHeader.DataDirectory+IMAGE_DIRECTORY_ENTRY_LOAD_CONFIG;
741 if (dir->Size) FIXME_(win32)("Load Configuration directory ignored\n" );
743 dir = nt->OptionalHeader.DataDirectory+IMAGE_DIRECTORY_ENTRY_BOUND_IMPORT;
744 if (dir->Size) TRACE_(win32)("Bound Import directory ignored\n" );
746 dir = nt->OptionalHeader.DataDirectory+IMAGE_DIRECTORY_ENTRY_IAT;
747 if (dir->Size) TRACE_(win32)("Import Address Table directory ignored\n" );
749 dir = nt->OptionalHeader.DataDirectory+IMAGE_DIRECTORY_ENTRY_DELAY_IMPORT;
752 TRACE_(win32)("Delayed import, stub calls LoadLibrary\n" );
754 * Nothing to do here.
759 * This code is useful to observe what the heck is going on.
762 ImgDelayDescr *pe_delay = NULL;
763 pe_delay = (PImgDelayDescr)RVA(dir->VirtualAddress);
764 TRACE_(delayhlp)("pe_delay->grAttrs = %08x\n", pe_delay->grAttrs);
765 TRACE_(delayhlp)("pe_delay->szName = %s\n", pe_delay->szName);
766 TRACE_(delayhlp)("pe_delay->phmod = %08x\n", pe_delay->phmod);
767 TRACE_(delayhlp)("pe_delay->pIAT = %08x\n", pe_delay->pIAT);
768 TRACE_(delayhlp)("pe_delay->pINT = %08x\n", pe_delay->pINT);
769 TRACE_(delayhlp)("pe_delay->pBoundIAT = %08x\n", pe_delay->pBoundIAT);
770 TRACE_(delayhlp)("pe_delay->pUnloadIAT = %08x\n", pe_delay->pUnloadIAT);
771 TRACE_(delayhlp)("pe_delay->dwTimeStamp = %08x\n", pe_delay->dwTimeStamp);
773 #endif /* ImgDelayDescr */
776 dir = nt->OptionalHeader.DataDirectory+IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR;
777 if (dir->Size) FIXME_(win32)("Unknown directory 14 ignored\n" );
779 dir = nt->OptionalHeader.DataDirectory+15;
780 if (dir->Size) FIXME_(win32)("Unknown directory 15 ignored\n" );
783 /* Allocate and fill WINE_MODREF */
785 wm = (WINE_MODREF *)HeapAlloc( GetProcessHeap(),
786 HEAP_ZERO_MEMORY, sizeof(*wm) );
787 wm->module = hModule;
790 wm->flags |= WINE_MODREF_INTERNAL;
791 if ( flags & DONT_RESOLVE_DLL_REFERENCES )
792 wm->flags |= WINE_MODREF_DONT_RESOLVE_REFS;
793 if ( flags & LOAD_LIBRARY_AS_DATAFILE )
794 wm->flags |= WINE_MODREF_LOAD_AS_DATAFILE;
796 wm->type = MODULE32_PE;
797 wm->binfmt.pe.pe_export = pe_export;
798 wm->binfmt.pe.pe_import = pe_import;
799 wm->binfmt.pe.pe_resource = pe_resource;
800 wm->binfmt.pe.tlsindex = -1;
803 modname = (char *)RVA( pe_export->Name );
806 /* try to find out the name from the OFSTRUCT */
808 modname = ofs->szPathName;
809 if ((s=strrchr(modname,'\\'))) modname = s+1;
811 wm->modname = HEAP_strdupA( GetProcessHeap(), 0, modname );
813 result = GetLongPathNameA( ofs->szPathName, NULL, 0 );
814 wm->longname = (char *)HeapAlloc( GetProcessHeap(), 0, result+1 );
815 GetLongPathNameA( ofs->szPathName, wm->longname, result+1 );
817 wm->shortname = HEAP_strdupA( GetProcessHeap(), 0, ofs->szPathName );
819 /* Link MODREF into process list */
821 EnterCriticalSection( &PROCESS_Current()->crit_section );
823 wm->next = PROCESS_Current()->modref_list;
824 PROCESS_Current()->modref_list = wm;
825 if ( wm->next ) wm->next->prev = wm;
827 if ( !(nt->FileHeader.Characteristics & IMAGE_FILE_DLL) )
829 if ( PROCESS_Current()->exe_modref )
830 FIXME_(win32)("overwriting old exe_modref... arrgh\n" );
831 PROCESS_Current()->exe_modref = wm;
834 LeaveCriticalSection( &PROCESS_Current()->crit_section );
840 dump_exports( hModule );
845 && !( wm->flags & WINE_MODREF_LOAD_AS_DATAFILE )
846 && !( wm->flags & WINE_MODREF_DONT_RESOLVE_REFS )
847 && fixup_imports( wm ) )
849 /* remove entry from modref chain */
850 EnterCriticalSection( &PROCESS_Current()->crit_section );
853 PROCESS_Current()->modref_list = wm->next;
855 wm->prev->next = wm->next;
857 if ( wm->next ) wm->next->prev = wm->prev;
858 wm->next = wm->prev = NULL;
860 LeaveCriticalSection( &PROCESS_Current()->crit_section );
862 /* FIXME: there are several more dangling references
863 * left. Including dlls loaded by this dll before the
864 * failed one. Unrolling is rather difficult with the
865 * current structure and we can leave it them lying
866 * around with no problems, so we don't care.
867 * As these might reference our wm, we don't free it.
875 /******************************************************************************
876 * The PE Library Loader frontend.
877 * FIXME: handle the flags.
879 WINE_MODREF *PE_LoadLibraryExA (LPCSTR name, DWORD flags, DWORD *err)
881 LPCSTR modName = NULL;
887 char dllname[256], *p;
891 /* Append .DLL to name if no extension present */
892 strcpy( dllname, name );
893 if (!(p = strrchr( dllname, '.')) || strchr( p, '/' ) || strchr( p, '\\'))
894 strcat( dllname, ".DLL" );
897 hFile = OpenFile( dllname, &ofs, OF_READ | OF_SHARE_DENY_WRITE );
898 if ( hFile != HFILE_ERROR )
900 hModule32 = PE_LoadImage( hFile, &ofs, &modName, &version );
901 CloseHandle( hFile );
904 *err = ERROR_OUTOFMEMORY; /* Not entirely right, but good enough */
910 *err = ERROR_FILE_NOT_FOUND;
914 /* Create 16-bit dummy module */
915 if ((hModule16 = MODULE_CreateDummyModule( &ofs, modName, version )) < 32)
917 *err = (DWORD)hModule16; /* This should give the correct error */
920 pModule = (NE_MODULE *)GlobalLock16( hModule16 );
921 pModule->flags = NE_FFLAGS_LIBMODULE | NE_FFLAGS_SINGLEDATA | NE_FFLAGS_WIN32;
922 pModule->module32 = hModule32;
924 /* Create 32-bit MODREF */
925 if ( !(wm = PE_CreateModule( hModule32, &ofs, flags, FALSE )) )
927 ERR_(win32)("can't load %s\n",ofs.szPathName);
928 FreeLibrary16( hModule16 );
929 *err = ERROR_OUTOFMEMORY;
933 if (wm->binfmt.pe.pe_export)
934 SNOOP_RegisterDLL(wm->module,wm->modname,wm->binfmt.pe.pe_export->NumberOfFunctions);
941 /*****************************************************************************
944 * Unload the library unmapping the image and freeing the modref structure.
946 void PE_UnloadLibrary(WINE_MODREF *wm)
948 /* FIXME, do something here */
951 /*****************************************************************************
952 * Load the PE main .EXE. All other loading is done by PE_LoadLibraryExA
953 * FIXME: this function should use PE_LoadLibraryExA, but currently can't
954 * due to the PROCESS_Create stuff.
956 BOOL PE_CreateProcess( HFILE hFile, OFSTRUCT *ofs, LPCSTR cmd_line, LPCSTR env,
957 LPSECURITY_ATTRIBUTES psa, LPSECURITY_ATTRIBUTES tsa,
958 BOOL inherit, DWORD flags, LPSTARTUPINFOA startup,
959 LPPROCESS_INFORMATION info )
961 LPCSTR modName = NULL;
968 if ( (hModule32 = PE_LoadImage( hFile, ofs, &modName, &version )) < 32 )
970 SetLastError( hModule32 );
974 if (PE_HEADER(hModule32)->FileHeader.Characteristics & IMAGE_FILE_DLL)
976 SetLastError( 20 ); /* FIXME: not the right error code */
981 /* Create 16-bit dummy module */
982 if ( (hModule16 = MODULE_CreateDummyModule( ofs, modName, version )) < 32 )
984 SetLastError( hModule16 );
987 pModule = (NE_MODULE *)GlobalLock16( hModule16 );
988 pModule->flags = NE_FFLAGS_WIN32;
989 pModule->module32 = hModule32;
991 /* Create new process */
992 if ( !PROCESS_Create( pModule, cmd_line, env,
993 psa, tsa, inherit, flags, startup, info ) )
996 /* Note: PE_CreateModule and the remaining process initialization will
997 be done in the context of the new process, in TASK_CallToStart */
1002 /*********************************************************************
1003 * PE_UnloadImage [internal]
1005 int PE_UnloadImage( HMODULE hModule )
1007 FIXME_(win32)("stub.\n");
1008 /* free resources, image, unmap */
1012 /* Called if the library is loaded or freed.
1013 * NOTE: if a thread attaches a DLL, the current thread will only do
1014 * DLL_PROCESS_ATTACH. Only new created threads do DLL_THREAD_ATTACH
1017 BOOL PE_InitDLL( WINE_MODREF *wm, DWORD type, LPVOID lpReserved )
1020 assert( wm->type == MODULE32_PE );
1022 /* Is this a library? And has it got an entrypoint? */
1023 if ((PE_HEADER(wm->module)->FileHeader.Characteristics & IMAGE_FILE_DLL) &&
1024 (PE_HEADER(wm->module)->OptionalHeader.AddressOfEntryPoint)
1026 DLLENTRYPROC entry = (void*)RVA_PTR( wm->module,OptionalHeader.AddressOfEntryPoint );
1027 TRACE_(relay)("CallTo32(entryproc=%p,module=%08x,type=%ld,res=%p)\n",
1028 entry, wm->module, type, lpReserved );
1030 retv = entry( wm->module, type, lpReserved );
1036 /************************************************************************
1037 * PE_InitTls (internal)
1039 * If included, initialises the thread local storages of modules.
1040 * Pointers in those structs are not RVAs but real pointers which have been
1041 * relocated by do_relocations() already.
1044 _fixup_address(PIMAGE_OPTIONAL_HEADER opt,int delta,LPVOID addr) {
1045 if ( ((DWORD)addr>opt->ImageBase) &&
1046 ((DWORD)addr<opt->ImageBase+opt->SizeOfImage)
1048 /* the address has not been relocated! */
1049 return (LPVOID)(((DWORD)addr)+delta);
1051 /* the address has been relocated already */
1054 void PE_InitTls( void )
1058 IMAGE_NT_HEADERS *peh;
1059 DWORD size,datasize;
1061 PIMAGE_TLS_DIRECTORY pdir;
1064 for (wm = PROCESS_Current()->modref_list;wm;wm=wm->next) {
1065 if (wm->type!=MODULE32_PE)
1067 pem = &(wm->binfmt.pe);
1068 peh = PE_HEADER(wm->module);
1069 delta = wm->module - peh->OptionalHeader.ImageBase;
1070 if (!peh->OptionalHeader.DataDirectory[IMAGE_FILE_THREAD_LOCAL_STORAGE].VirtualAddress)
1072 pdir = (LPVOID)(wm->module + peh->OptionalHeader.
1073 DataDirectory[IMAGE_FILE_THREAD_LOCAL_STORAGE].VirtualAddress);
1076 if ( pem->tlsindex == -1 ) {
1078 pem->tlsindex = TlsAlloc();
1079 xaddr = _fixup_address(&(peh->OptionalHeader),delta,
1080 pdir->AddressOfIndex
1082 *xaddr=pem->tlsindex;
1084 datasize= pdir->EndAddressOfRawData-pdir->StartAddressOfRawData;
1085 size = datasize + pdir->SizeOfZeroFill;
1086 mem=VirtualAlloc(0,size,MEM_RESERVE|MEM_COMMIT,PAGE_READWRITE);
1087 memcpy(mem,_fixup_address(&(peh->OptionalHeader),delta,(LPVOID)pdir->StartAddressOfRawData),datasize);
1088 if (pdir->AddressOfCallBacks) {
1089 PIMAGE_TLS_CALLBACK *cbs;
1091 cbs = _fixup_address(&(peh->OptionalHeader),delta,pdir->AddressOfCallBacks);
1093 FIXME_(win32)("TLS Callbacks aren't going to be called\n");
1096 TlsSetValue( pem->tlsindex, mem );