4 * Copyright 1995 Alexandre Julliard
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 #include "wine/port.h"
38 #include "wine/winbase16.h"
41 #include "wine/library.h"
47 #include "builtin16.h"
48 #include "stackframe.h"
50 #include "wine/unicode.h"
51 #include "wine/exception.h"
52 #include "wine/debug.h"
54 WINE_DEFAULT_DEBUG_CHANNEL(module);
55 WINE_DECLARE_DEBUG_CHANNEL(loaddll);
58 typedef struct _GPHANDLERDEF
70 struct ne_segment_table_entry_s
72 WORD seg_data_offset; /* Sector offset of segment data */
73 WORD seg_data_length; /* Length of segment data */
74 WORD seg_flags; /* Flags associated with this segment */
75 WORD min_alloc; /* Minimum allocation size for this */
78 #define hFirstModule (pThhook->hExeHead)
82 void *module_start; /* 32-bit address of the module data */
83 int module_size; /* Size of the module data */
84 void *code_start; /* 32-bit address of DLL code */
85 void *data_start; /* 32-bit address of DLL data */
86 const char *owner; /* 32-bit dll that contains this dll */
87 const void *rsrc; /* resources data */
88 } BUILTIN16_DESCRIPTOR;
90 /* Table of all built-in DLLs */
94 static const BUILTIN16_DESCRIPTOR *builtin_dlls[MAX_DLLS];
96 extern void SNOOP16_RegisterDLL(NE_MODULE*,LPCSTR);
97 extern FARPROC16 SNOOP16_GetProcAddress16(HMODULE16,DWORD,FARPROC16);
99 static HINSTANCE16 NE_LoadModule( LPCSTR name, BOOL lib_only );
100 static BOOL16 NE_FreeModule( HMODULE16 hModule, BOOL call_wep );
102 static HINSTANCE16 MODULE_LoadModule16( LPCSTR libname, BOOL implicit, BOOL lib_only );
104 static HMODULE16 NE_GetModuleByFilename( LPCSTR name );
107 static WINE_EXCEPTION_FILTER(page_fault)
109 if (GetExceptionCode() == EXCEPTION_ACCESS_VIOLATION ||
110 GetExceptionCode() == EXCEPTION_PRIV_INSTRUCTION)
111 return EXCEPTION_EXECUTE_HANDLER;
112 return EXCEPTION_CONTINUE_SEARCH;
116 /* patch all the flat cs references of the code segment if necessary */
117 inline static void patch_code_segment( void *code_segment )
120 CALLFROM16 *call = code_segment;
121 if (call->flatcs == wine_get_cs()) return; /* nothing to patch */
122 while (call->pushl == 0x68)
124 call->flatcs = wine_get_cs();
131 /***********************************************************************
134 * Find a descriptor in the list
136 static const BUILTIN16_DESCRIPTOR *find_dll_descr( const char *dllname )
139 for (i = 0; i < MAX_DLLS; i++)
141 const BUILTIN16_DESCRIPTOR *descr = builtin_dlls[i];
144 NE_MODULE *pModule = (NE_MODULE *)descr->module_start;
145 OFSTRUCT *pOfs = (OFSTRUCT *)((LPBYTE)pModule + pModule->fileinfo);
146 BYTE *name_table = (BYTE *)pModule + pModule->name_table;
148 /* check the dll file name */
149 if (!FILE_strcasecmp( pOfs->szPathName, dllname )) return descr;
150 /* check the dll module name (without extension) */
151 if (!FILE_strncasecmp( dllname, name_table+1, *name_table ) &&
152 !strcmp( dllname + *name_table, ".dll" ))
160 /***********************************************************************
163 * Check if a builtin dll descriptor is present (because we loaded its 32-bit counterpart).
165 static BOOL is_builtin_present( LPCSTR name )
167 char dllname[20], *p;
169 if (strlen(name) >= sizeof(dllname)-4) return FALSE;
170 strcpy( dllname, name );
171 p = strrchr( dllname, '.' );
172 if (!p) strcat( dllname, ".dll" );
173 for (p = dllname; *p; p++) *p = FILE_tolower(*p);
175 return (find_dll_descr( dllname ) != NULL);
179 /***********************************************************************
180 * __wine_register_dll_16 (KERNEL32.@)
182 * Register a built-in DLL descriptor.
184 void __wine_register_dll_16( const BUILTIN16_DESCRIPTOR *descr )
188 for (i = 0; i < MAX_DLLS; i++)
190 if (builtin_dlls[i]) continue;
191 builtin_dlls[i] = descr;
194 assert( i < MAX_DLLS );
198 /***********************************************************************
199 * __wine_unregister_dll_16 (KERNEL32.@)
201 * Unregister a built-in DLL descriptor.
203 void __wine_unregister_dll_16( const BUILTIN16_DESCRIPTOR *descr )
207 for (i = 0; i < MAX_DLLS; i++)
209 if (builtin_dlls[i] != descr) continue;
210 builtin_dlls[i] = NULL;
216 /***********************************************************************
219 NE_MODULE *NE_GetPtr( HMODULE16 hModule )
221 return (NE_MODULE *)GlobalLock16( GetExePtr(hModule) );
225 /**********************************************************************
228 void NE_RegisterModule( NE_MODULE *pModule )
230 pModule->next = hFirstModule;
231 hFirstModule = pModule->self;
235 /***********************************************************************
238 void NE_DumpModule( HMODULE16 hModule )
248 if (!(pModule = NE_GetPtr( hModule )))
250 MESSAGE( "**** %04x is not a module handle\n", hModule );
254 /* Dump the module info */
256 DPRINTF( "Module %04x:\n", hModule );
257 DPRINTF( "count=%d flags=%04x heap=%d stack=%d\n",
258 pModule->count, pModule->flags,
259 pModule->heap_size, pModule->stack_size );
260 DPRINTF( "cs:ip=%04x:%04x ss:sp=%04x:%04x ds=%04x nb seg=%d modrefs=%d\n",
261 pModule->cs, pModule->ip, pModule->ss, pModule->sp, pModule->dgroup,
262 pModule->seg_count, pModule->modref_count );
263 DPRINTF( "os_flags=%d swap_area=%d version=%04x\n",
264 pModule->os_flags, pModule->min_swap_area,
265 pModule->expected_version );
266 if (pModule->flags & NE_FFLAGS_WIN32)
267 DPRINTF( "PE module=%p\n", pModule->module32 );
269 /* Dump the file info */
271 DPRINTF( "Filename: '%s'\n", NE_MODULE_NAME(pModule) );
273 /* Dump the segment table */
275 DPRINTF( "Segment table:\n" );
276 pSeg = NE_SEG_TABLE( pModule );
277 for (i = 0; i < pModule->seg_count; i++, pSeg++)
278 DPRINTF( "%02x: pos=%d size=%d flags=%04x minsize=%d hSeg=%04x\n",
279 i + 1, pSeg->filepos, pSeg->size, pSeg->flags,
280 pSeg->minsize, pSeg->hSeg );
282 /* Dump the resource table */
284 DPRINTF( "Resource table:\n" );
285 if (pModule->res_table)
287 pword = (WORD *)((BYTE *)pModule + pModule->res_table);
288 DPRINTF( "Alignment: %d\n", *pword++ );
291 NE_TYPEINFO *ptr = (NE_TYPEINFO *)pword;
292 NE_NAMEINFO *pname = (NE_NAMEINFO *)(ptr + 1);
293 DPRINTF( "id=%04x count=%d\n", ptr->type_id, ptr->count );
294 for (i = 0; i < ptr->count; i++, pname++)
295 DPRINTF( "offset=%d len=%d id=%04x\n",
296 pname->offset, pname->length, pname->id );
297 pword = (WORD *)pname;
300 else DPRINTF( "None\n" );
302 /* Dump the resident name table */
304 DPRINTF( "Resident-name table:\n" );
305 pstr = (char *)pModule + pModule->name_table;
308 DPRINTF( "%*.*s: %d\n", *pstr, *pstr, pstr + 1,
309 *(WORD *)(pstr + *pstr + 1) );
310 pstr += *pstr + 1 + sizeof(WORD);
313 /* Dump the module reference table */
315 DPRINTF( "Module ref table:\n" );
316 if (pModule->modref_table)
318 pword = (WORD *)((BYTE *)pModule + pModule->modref_table);
319 for (i = 0; i < pModule->modref_count; i++, pword++)
322 GetModuleName16( *pword, name, sizeof(name) );
323 DPRINTF( "%d: %04x -> '%s'\n", i, *pword, name );
326 else DPRINTF( "None\n" );
328 /* Dump the entry table */
330 DPRINTF( "Entry table:\n" );
331 bundle = (ET_BUNDLE *)((BYTE *)pModule+pModule->entry_table);
333 entry = (ET_ENTRY *)((BYTE *)bundle+6);
334 DPRINTF( "Bundle %d-%d: %02x\n", bundle->first, bundle->last, entry->type);
335 ordinal = bundle->first;
336 while (ordinal < bundle->last)
338 if (entry->type == 0xff)
339 DPRINTF("%d: %02x:%04x (moveable)\n", ordinal++, entry->segnum, entry->offs);
341 DPRINTF("%d: %02x:%04x (fixed)\n", ordinal++, entry->segnum, entry->offs);
344 } while ( (bundle->next) && (bundle = ((ET_BUNDLE *)((BYTE *)pModule + bundle->next))) );
346 /* Dump the non-resident names table */
348 DPRINTF( "Non-resident names table:\n" );
349 if (pModule->nrname_handle)
351 pstr = (char *)GlobalLock16( pModule->nrname_handle );
354 DPRINTF( "%*.*s: %d\n", *pstr, *pstr, pstr + 1,
355 *(WORD *)(pstr + *pstr + 1) );
356 pstr += *pstr + 1 + sizeof(WORD);
363 /***********************************************************************
366 * Walk the module list and print the modules.
368 void NE_WalkModules(void)
370 HMODULE16 hModule = hFirstModule;
371 MESSAGE( "Module Flags Name\n" );
374 NE_MODULE *pModule = NE_GetPtr( hModule );
377 MESSAGE( "Bad module %04x in list\n", hModule );
380 MESSAGE( " %04x %04x %.*s\n", hModule, pModule->flags,
381 *((char *)pModule + pModule->name_table),
382 (char *)pModule + pModule->name_table + 1 );
383 hModule = pModule->next;
388 /***********************************************************************
389 * NE_InitResourceHandler
391 * Fill in 'resloader' fields in the resource table.
393 void NE_InitResourceHandler( NE_MODULE *pModule )
395 static FARPROC16 proc;
397 NE_TYPEINFO *pTypeInfo = (NE_TYPEINFO *)((char *)pModule + pModule->res_table + 2);
399 TRACE("InitResourceHandler[%04x]\n", pModule->self );
401 if (!proc) proc = GetProcAddress16( GetModuleHandle16("KERNEL"), "DefResourceHandler" );
403 while(pTypeInfo->type_id)
405 memcpy_unaligned( &pTypeInfo->resloader, &proc, sizeof(FARPROC16) );
406 pTypeInfo = (NE_TYPEINFO *)((char*)(pTypeInfo + 1) + pTypeInfo->count * sizeof(NE_NAMEINFO));
411 /***********************************************************************
414 * Lookup the ordinal for a given name.
416 WORD NE_GetOrdinal( HMODULE16 hModule, const char *name )
418 unsigned char buffer[256], *cpnt;
422 if (!(pModule = NE_GetPtr( hModule ))) return 0;
423 if (pModule->flags & NE_FFLAGS_WIN32) return 0;
425 TRACE("(%04x,'%s')\n", hModule, name );
427 /* First handle names of the form '#xxxx' */
429 if (name[0] == '#') return atoi( name + 1 );
431 /* Now copy and uppercase the string */
433 strcpy( buffer, name );
434 for (cpnt = buffer; *cpnt; cpnt++) *cpnt = FILE_toupper(*cpnt);
437 /* First search the resident names */
439 cpnt = (char *)pModule + pModule->name_table;
441 /* Skip the first entry (module name) */
442 cpnt += *cpnt + 1 + sizeof(WORD);
445 if (((BYTE)*cpnt == len) && !memcmp( cpnt+1, buffer, len ))
448 memcpy( &ordinal, cpnt + *cpnt + 1, sizeof(ordinal) );
449 TRACE(" Found: ordinal=%d\n", ordinal );
452 cpnt += *cpnt + 1 + sizeof(WORD);
455 /* Now search the non-resident names table */
457 if (!pModule->nrname_handle) return 0; /* No non-resident table */
458 cpnt = (char *)GlobalLock16( pModule->nrname_handle );
460 /* Skip the first entry (module description string) */
461 cpnt += *cpnt + 1 + sizeof(WORD);
464 if (((BYTE)*cpnt == len) && !memcmp( cpnt+1, buffer, len ))
467 memcpy( &ordinal, cpnt + *cpnt + 1, sizeof(ordinal) );
468 TRACE(" Found: ordinal=%d\n", ordinal );
471 cpnt += *cpnt + 1 + sizeof(WORD);
477 /***********************************************************************
480 FARPROC16 WINAPI NE_GetEntryPoint( HMODULE16 hModule, WORD ordinal )
482 return NE_GetEntryPointEx( hModule, ordinal, TRUE );
485 /***********************************************************************
488 FARPROC16 NE_GetEntryPointEx( HMODULE16 hModule, WORD ordinal, BOOL16 snoop )
496 if (!(pModule = NE_GetPtr( hModule ))) return 0;
497 assert( !(pModule->flags & NE_FFLAGS_WIN32) );
499 bundle = (ET_BUNDLE *)((BYTE *)pModule + pModule->entry_table);
500 while ((ordinal < bundle->first + 1) || (ordinal > bundle->last))
504 bundle = (ET_BUNDLE *)((BYTE *)pModule + bundle->next);
507 entry = (ET_ENTRY *)((BYTE *)bundle+6);
508 for (i=0; i < (ordinal - bundle->first - 1); i++)
512 memcpy( &offset, &entry->offs, sizeof(WORD) );
514 if (sel == 0xfe) sel = 0xffff; /* constant entry */
515 else sel = GlobalHandleToSel16(NE_SEG_TABLE(pModule)[sel-1].hSeg);
517 return (FARPROC16)MAKESEGPTR( sel, offset );
519 return (FARPROC16)MAKESEGPTR( sel, offset );
521 return (FARPROC16)SNOOP16_GetProcAddress16(hModule,ordinal,(FARPROC16)MAKESEGPTR( sel, offset ));
525 /***********************************************************************
526 * EntryAddrProc (KERNEL.667) Wine-specific export
528 * Return the entry point for a given ordinal.
530 FARPROC16 WINAPI EntryAddrProc16( HMODULE16 hModule, WORD ordinal )
532 FARPROC16 ret = NE_GetEntryPointEx( hModule, ordinal, TRUE );
533 CURRENT_STACK16->ecx = hModule; /* FIXME: might be incorrect value */
537 /***********************************************************************
540 * Change the value of an entry point. Use with caution!
541 * It can only change the offset value, not the selector.
543 BOOL16 NE_SetEntryPoint( HMODULE16 hModule, WORD ordinal, WORD offset )
550 if (!(pModule = NE_GetPtr( hModule ))) return FALSE;
551 assert( !(pModule->flags & NE_FFLAGS_WIN32) );
553 bundle = (ET_BUNDLE *)((BYTE *)pModule + pModule->entry_table);
554 while ((ordinal < bundle->first + 1) || (ordinal > bundle->last))
556 bundle = (ET_BUNDLE *)((BYTE *)pModule + bundle->next);
557 if (!(bundle->next)) return 0;
560 entry = (ET_ENTRY *)((BYTE *)bundle+6);
561 for (i=0; i < (ordinal - bundle->first - 1); i++)
564 memcpy( &entry->offs, &offset, sizeof(WORD) );
569 /***********************************************************************
572 HANDLE NE_OpenFile( NE_MODULE *pModule )
575 char *name = NE_MODULE_NAME( pModule );
577 TRACE("(%p)\n", pModule );
581 if (!DuplicateHandle( GetCurrentProcess(), pModule->fd,
582 GetCurrentProcess(), &handle, 0, FALSE,
583 DUPLICATE_SAME_ACCESS )) handle = INVALID_HANDLE_VALUE;
587 handle = CreateFileA( name, GENERIC_READ, FILE_SHARE_READ,
588 NULL, OPEN_EXISTING, 0, 0 );
590 if (handle == INVALID_HANDLE_VALUE)
591 ERR( "Can't open file '%s' for module %04x\n", name, pModule->self );
593 TRACE("opened '%s' -> %p\n", name, handle);
598 /* wrapper for SetFilePointer and ReadFile */
599 static BOOL read_data( HANDLE handle, LONG offset, void *buffer, DWORD size )
603 if (SetFilePointer( handle, offset, NULL, SEEK_SET ) == INVALID_SET_FILE_POINTER) return FALSE;
604 if (!ReadFile( handle, buffer, size, &result, NULL )) return FALSE;
605 return (result == size);
608 /***********************************************************************
611 static HMODULE16 NE_LoadExeHeader( HANDLE handle, LPCSTR path )
613 IMAGE_DOS_HEADER mz_header;
614 IMAGE_OS2_HEADER ne_header;
618 BYTE *pData, *pTempEntryTable;
619 char *buffer, *fastload = NULL;
620 int fastload_offset = 0, fastload_length = 0;
622 ET_BUNDLE *bundle, *oldbundle;
625 /* Read a block from either the file or the fast-load area. */
626 #define READ(offset,size,buffer) \
627 ((fastload && ((offset) >= fastload_offset) && \
628 ((offset)+(size) <= fastload_offset+fastload_length)) ? \
629 (memcpy( buffer, fastload+(offset)-fastload_offset, (size) ), TRUE) : \
630 read_data( handle, (offset), (buffer), (size)))
632 if (!read_data( handle, 0, &mz_header, sizeof(mz_header)) ||
633 (mz_header.e_magic != IMAGE_DOS_SIGNATURE))
634 return (HMODULE16)11; /* invalid exe */
636 if (!read_data( handle, mz_header.e_lfanew, &ne_header, sizeof(ne_header) ))
637 return (HMODULE16)11; /* invalid exe */
639 if (ne_header.ne_magic == IMAGE_NT_SIGNATURE) return (HMODULE16)21; /* win32 exe */
640 if (ne_header.ne_magic == IMAGE_OS2_SIGNATURE_LX) {
641 MESSAGE("Sorry, this is an OS/2 linear executable (LX) file !\n");
642 return (HMODULE16)12;
644 if (ne_header.ne_magic != IMAGE_OS2_SIGNATURE) return (HMODULE16)11; /* invalid exe */
646 /* We now have a valid NE header */
648 size = sizeof(NE_MODULE) +
650 ne_header.ne_cseg * sizeof(SEGTABLEENTRY) +
652 ne_header.ne_restab - ne_header.ne_rsrctab +
653 /* resident names table */
654 ne_header.ne_modtab - ne_header.ne_restab +
655 /* module ref table */
656 ne_header.ne_cmod * sizeof(WORD) +
657 /* imported names table */
658 ne_header.ne_enttab - ne_header.ne_imptab +
659 /* entry table length */
660 ne_header.ne_cbenttab +
661 /* entry table extra conversion space */
663 2 * (ne_header.ne_cbenttab - ne_header.ne_cmovent*6) +
664 /* loaded file info */
665 sizeof(OFSTRUCT) - sizeof(ofs->szPathName) + strlen(path) + 1;
667 hModule = GlobalAlloc16( GMEM_FIXED | GMEM_ZEROINIT, size );
668 if (!hModule) return (HMODULE16)11; /* invalid exe */
670 FarSetOwner16( hModule, hModule );
671 pModule = (NE_MODULE *)GlobalLock16( hModule );
672 memcpy( pModule, &ne_header, sizeof(ne_header) );
674 /* check *programs* for default minimal stack size */
675 if ( (!(pModule->flags & NE_FFLAGS_LIBMODULE))
676 && (pModule->stack_size < 0x1400) )
677 pModule->stack_size = 0x1400;
678 pModule->module32 = 0;
679 pModule->self = hModule;
680 pModule->self_loading_sel = 0;
681 pData = (BYTE *)(pModule + 1);
683 /* Clear internal Wine flags in case they are set in the EXE file */
685 pModule->flags &= ~(NE_FFLAGS_BUILTIN | NE_FFLAGS_WIN32);
687 /* Read the fast-load area */
689 if (ne_header.ne_flagsothers & NE_AFLAGS_FASTLOAD)
691 fastload_offset=ne_header.ne_pretthunks << ne_header.ne_align;
692 fastload_length=ne_header.ne_psegrefbytes << ne_header.ne_align;
693 TRACE("Using fast-load area offset=%x len=%d\n",
694 fastload_offset, fastload_length );
695 if ((fastload = HeapAlloc( GetProcessHeap(), 0, fastload_length )) != NULL)
697 if (!read_data( handle, fastload_offset, fastload, fastload_length))
699 HeapFree( GetProcessHeap(), 0, fastload );
700 WARN("Error reading fast-load area!\n");
706 /* Get the segment table */
708 pModule->seg_table = pData - (BYTE *)pModule;
709 buffer = HeapAlloc( GetProcessHeap(), 0, ne_header.ne_cseg *
710 sizeof(struct ne_segment_table_entry_s));
714 struct ne_segment_table_entry_s *pSeg;
716 if (!READ( mz_header.e_lfanew + ne_header.ne_segtab,
717 ne_header.ne_cseg * sizeof(struct ne_segment_table_entry_s),
720 HeapFree( GetProcessHeap(), 0, buffer );
721 if (fastload) HeapFree( GetProcessHeap(), 0, fastload );
722 GlobalFree16( hModule );
723 return (HMODULE16)11; /* invalid exe */
725 pSeg = (struct ne_segment_table_entry_s *)buffer;
726 for (i = ne_header.ne_cseg; i > 0; i--, pSeg++)
728 memcpy( pData, pSeg, sizeof(*pSeg) );
729 pData += sizeof(SEGTABLEENTRY);
731 HeapFree( GetProcessHeap(), 0, buffer );
735 if (fastload) HeapFree( GetProcessHeap(), 0, fastload );
736 GlobalFree16( hModule );
737 return (HMODULE16)11; /* invalid exe */
740 /* Get the resource table */
742 if (ne_header.ne_rsrctab < ne_header.ne_restab)
744 pModule->res_table = pData - (BYTE *)pModule;
745 if (!READ(mz_header.e_lfanew + ne_header.ne_rsrctab,
746 ne_header.ne_restab - ne_header.ne_rsrctab,
748 return (HMODULE16)11; /* invalid exe */
749 pData += ne_header.ne_restab - ne_header.ne_rsrctab;
750 NE_InitResourceHandler( pModule );
752 else pModule->res_table = 0; /* No resource table */
754 /* Get the resident names table */
756 pModule->name_table = pData - (BYTE *)pModule;
757 if (!READ( mz_header.e_lfanew + ne_header.ne_restab,
758 ne_header.ne_modtab - ne_header.ne_restab,
761 if (fastload) HeapFree( GetProcessHeap(), 0, fastload );
762 GlobalFree16( hModule );
763 return (HMODULE16)11; /* invalid exe */
765 pData += ne_header.ne_modtab - ne_header.ne_restab;
767 /* Get the module references table */
769 if (ne_header.ne_cmod > 0)
771 pModule->modref_table = pData - (BYTE *)pModule;
772 if (!READ( mz_header.e_lfanew + ne_header.ne_modtab,
773 ne_header.ne_cmod * sizeof(WORD),
776 if (fastload) HeapFree( GetProcessHeap(), 0, fastload );
777 GlobalFree16( hModule );
778 return (HMODULE16)11; /* invalid exe */
780 pData += ne_header.ne_cmod * sizeof(WORD);
782 else pModule->modref_table = 0; /* No module references */
784 /* Get the imported names table */
786 pModule->import_table = pData - (BYTE *)pModule;
787 if (!READ( mz_header.e_lfanew + ne_header.ne_imptab,
788 ne_header.ne_enttab - ne_header.ne_imptab,
791 if (fastload) HeapFree( GetProcessHeap(), 0, fastload );
792 GlobalFree16( hModule );
793 return (HMODULE16)11; /* invalid exe */
795 pData += ne_header.ne_enttab - ne_header.ne_imptab;
797 /* Load entry table, convert it to the optimized version used by Windows */
799 if ((pTempEntryTable = HeapAlloc( GetProcessHeap(), 0, ne_header.ne_cbenttab)) != NULL)
801 BYTE nr_entries, type, *s;
803 TRACE("Converting entry table.\n");
804 pModule->entry_table = pData - (BYTE *)pModule;
805 if (!READ( mz_header.e_lfanew + ne_header.ne_enttab,
806 ne_header.ne_cbenttab, pTempEntryTable ))
808 HeapFree( GetProcessHeap(), 0, pTempEntryTable );
809 if (fastload) HeapFree( GetProcessHeap(), 0, fastload );
810 GlobalFree16( hModule );
811 return (HMODULE16)11; /* invalid exe */
815 TRACE("entry table: offs %04x, len %04x, entries %d\n", ne_header.ne_enttab, ne_header.ne_cbenttab, *s);
817 bundle = (ET_BUNDLE *)pData;
818 TRACE("first bundle: %p\n", bundle);
819 memset(bundle, 0, sizeof(ET_BUNDLE)); /* in case no entry table exists */
820 entry = (ET_ENTRY *)((BYTE *)bundle+6);
822 while ((nr_entries = *s++))
826 bundle->last += nr_entries;
833 entry->segnum = *s++;
834 entry->offs = *(WORD *)s; s += 2;
835 /*TRACE(module, "entry: %p, type: %d, flags: %d, segnum: %d, offs: %04x\n", entry, entry->type, entry->flags, entry->segnum, entry->offs);*/
843 entry->segnum = type;
844 entry->offs = *(WORD *)s; s += 2;
845 /*TRACE(module, "entry: %p, type: %d, flags: %d, segnum: %d, offs: %04x\n", entry, entry->type, entry->flags, entry->segnum, entry->offs);*/
851 if (bundle->first == bundle->last)
853 bundle->first += nr_entries;
854 bundle->last += nr_entries;
859 oldbundle->next = ((int)entry - (int)pModule);
860 bundle = (ET_BUNDLE *)entry;
861 TRACE("new bundle: %p\n", bundle);
862 bundle->first = bundle->last =
863 oldbundle->last + nr_entries;
865 (BYTE *)entry += sizeof(ET_BUNDLE);
869 HeapFree( GetProcessHeap(), 0, pTempEntryTable );
873 if (fastload) HeapFree( GetProcessHeap(), 0, fastload );
874 GlobalFree16( hModule );
875 return (HMODULE16)11; /* invalid exe */
878 pData += ne_header.ne_cbenttab + sizeof(ET_BUNDLE) +
879 2 * (ne_header.ne_cbenttab - ne_header.ne_cmovent*6);
881 if ((DWORD)entry > (DWORD)pData)
882 ERR("converted entry table bigger than reserved space !!!\nentry: %p, pData: %p. Please report !\n", entry, pData);
884 /* Store the filename information */
886 pModule->fileinfo = pData - (BYTE *)pModule;
887 size = sizeof(OFSTRUCT) - sizeof(ofs->szPathName) + strlen(path) + 1;
888 ofs = (OFSTRUCT *)pData;
889 ofs->cBytes = size - 1;
891 strcpy( ofs->szPathName, path );
894 /* Free the fast-load area */
897 if (fastload) HeapFree( GetProcessHeap(), 0, fastload );
899 /* Get the non-resident names table */
901 if (ne_header.ne_cbnrestab)
903 pModule->nrname_handle = GlobalAlloc16( 0, ne_header.ne_cbnrestab );
904 if (!pModule->nrname_handle)
906 GlobalFree16( hModule );
907 return (HMODULE16)11; /* invalid exe */
909 FarSetOwner16( pModule->nrname_handle, hModule );
910 buffer = GlobalLock16( pModule->nrname_handle );
911 if (!read_data( handle, ne_header.ne_nrestab, buffer, ne_header.ne_cbnrestab ))
913 GlobalFree16( pModule->nrname_handle );
914 GlobalFree16( hModule );
915 return (HMODULE16)11; /* invalid exe */
918 else pModule->nrname_handle = 0;
920 /* Allocate a segment for the implicitly-loaded DLLs */
922 if (pModule->modref_count)
924 pModule->dlls_to_init = GlobalAlloc16( GMEM_ZEROINIT,
925 (pModule->modref_count+1)*sizeof(HMODULE16) );
926 if (!pModule->dlls_to_init)
928 if (pModule->nrname_handle) GlobalFree16( pModule->nrname_handle );
929 GlobalFree16( hModule );
930 return (HMODULE16)11; /* invalid exe */
932 FarSetOwner16( pModule->dlls_to_init, hModule );
934 else pModule->dlls_to_init = 0;
936 NE_RegisterModule( pModule );
937 SNOOP16_RegisterDLL(pModule,path);
942 /***********************************************************************
945 * Load all DLLs implicitly linked to a module.
947 static BOOL NE_LoadDLLs( NE_MODULE *pModule )
950 WORD *pModRef = (WORD *)((char *)pModule + pModule->modref_table);
951 WORD *pDLLs = (WORD *)GlobalLock16( pModule->dlls_to_init );
953 for (i = 0; i < pModule->modref_count; i++, pModRef++)
955 char buffer[260], *p;
956 BYTE *pstr = (BYTE *)pModule + pModule->import_table + *pModRef;
957 memcpy( buffer, pstr + 1, *pstr );
958 *(buffer + *pstr) = 0; /* terminate it */
960 TRACE("Loading '%s'\n", buffer );
961 if (!(*pModRef = GetModuleHandle16( buffer )))
963 /* If the DLL is not loaded yet, load it and store */
964 /* its handle in the list of DLLs to initialize. */
967 /* Append .DLL to name if no extension present */
968 if (!(p = strrchr( buffer, '.')) || strchr( p, '/' ) || strchr( p, '\\'))
969 strcat( buffer, ".DLL" );
971 if ((hDLL = MODULE_LoadModule16( buffer, TRUE, TRUE )) < 32)
973 /* FIXME: cleanup what was done */
975 MESSAGE( "Could not load '%s' required by '%.*s', error=%d\n",
976 buffer, *((BYTE*)pModule + pModule->name_table),
977 (char *)pModule + pModule->name_table + 1, hDLL );
980 *pModRef = GetExePtr( hDLL );
983 else /* Increment the reference count of the DLL */
985 NE_MODULE *pOldDLL = NE_GetPtr( *pModRef );
986 if (pOldDLL) pOldDLL->count++;
993 /**********************************************************************
996 * Load first instance of NE module from file.
998 * pModule must point to a module structure prepared by NE_LoadExeHeader.
999 * This routine must never be called twice on a module.
1002 static HINSTANCE16 NE_DoLoadModule( NE_MODULE *pModule )
1004 /* Allocate the segments for this module */
1006 if (!NE_CreateAllSegments( pModule ))
1007 return ERROR_NOT_ENOUGH_MEMORY; /* 8 */
1009 /* Load the referenced DLLs */
1011 if (!NE_LoadDLLs( pModule ))
1012 return ERROR_FILE_NOT_FOUND; /* 2 */
1014 /* Load the segments */
1016 NE_LoadAllSegments( pModule );
1018 /* Make sure the usage count is 1 on the first loading of */
1019 /* the module, even if it contains circular DLL references */
1023 return NE_GetInstance( pModule );
1026 /**********************************************************************
1029 * Load first instance of NE module. (Note: caller is responsible for
1030 * ensuring the module isn't already loaded!)
1032 * If the module turns out to be an executable module, only a
1033 * handle to a module stub is returned; this needs to be initialized
1034 * by calling NE_DoLoadModule later, in the context of the newly
1037 * If lib_only is TRUE, however, the module is perforce treated
1038 * like a DLL module, even if it is an executable module.
1041 static HINSTANCE16 NE_LoadModule( LPCSTR name, BOOL lib_only )
1045 HINSTANCE16 hInstance;
1051 if ((hFile = OpenFile16( name, &ofs, OF_READ|OF_SHARE_DENY_WRITE )) == HFILE_ERROR16)
1052 return (HMODULE16)2; /* File not found */
1054 hModule = NE_LoadExeHeader( DosFileHandleToWin32Handle(hFile), ofs.szPathName );
1060 pModule = NE_GetPtr( hModule );
1062 drive_type = GetDriveTypeA( ofs.szPathName );
1063 if (drive_type != DRIVE_REMOVABLE && drive_type != DRIVE_CDROM)
1065 /* keep the file handle open if not on a removable media */
1066 DuplicateHandle( GetCurrentProcess(), DosFileHandleToWin32Handle(hFile),
1067 GetCurrentProcess(), &pModule->fd, 0, FALSE,
1068 DUPLICATE_SAME_ACCESS );
1072 if ( !lib_only && !( pModule->flags & NE_FFLAGS_LIBMODULE ) )
1075 hInstance = NE_DoLoadModule( pModule );
1076 if ( hInstance < 32 )
1079 NE_FreeModule( hModule, 0 );
1086 /***********************************************************************
1087 * NE_DoLoadBuiltinModule
1089 * Load a built-in Win16 module. Helper function for NE_LoadBuiltinModule.
1091 static HMODULE16 NE_DoLoadBuiltinModule( const BUILTIN16_DESCRIPTOR *descr )
1095 SEGTABLEENTRY *pSegTable;
1098 hModule = GLOBAL_CreateBlock( GMEM_MOVEABLE, descr->module_start,
1099 descr->module_size, 0, WINE_LDT_FLAGS_DATA );
1100 if (!hModule) return 0;
1101 FarSetOwner16( hModule, hModule );
1103 pModule = (NE_MODULE *)GlobalLock16( hModule );
1104 pModule->self = hModule;
1105 /* NOTE: (Ab)use the hRsrcMap parameter for resource data pointer */
1106 pModule->hRsrcMap = (void *)descr->rsrc;
1108 /* Allocate the code segment */
1110 pSegTable = NE_SEG_TABLE( pModule );
1111 pSegTable->hSeg = GLOBAL_CreateBlock( GMEM_FIXED, descr->code_start,
1112 pSegTable->minsize, hModule,
1113 WINE_LDT_FLAGS_CODE|WINE_LDT_FLAGS_32BIT );
1114 if (!pSegTable->hSeg) return 0;
1115 patch_code_segment( descr->code_start );
1118 /* Allocate the data segment */
1120 minsize = pSegTable->minsize ? pSegTable->minsize : 0x10000;
1121 minsize += pModule->heap_size;
1122 if (minsize > 0x10000) minsize = 0x10000;
1123 pSegTable->hSeg = GlobalAlloc16( GMEM_FIXED, minsize );
1124 if (!pSegTable->hSeg) return 0;
1125 FarSetOwner16( pSegTable->hSeg, hModule );
1126 if (pSegTable->minsize) memcpy( GlobalLock16( pSegTable->hSeg ),
1127 descr->data_start, pSegTable->minsize);
1128 if (pModule->heap_size)
1129 LocalInit16( GlobalHandleToSel16(pSegTable->hSeg), pSegTable->minsize, minsize );
1131 if (descr->rsrc) NE_InitResourceHandler(pModule);
1133 NE_RegisterModule( pModule );
1135 /* make sure the 32-bit library containing this one is loaded too */
1136 LoadLibraryA( descr->owner );
1142 /***********************************************************************
1143 * NE_LoadBuiltinModule
1145 * Load a built-in module.
1147 static HMODULE16 NE_LoadBuiltinModule( LPCSTR name )
1149 const BUILTIN16_DESCRIPTOR *descr;
1150 char error[256], dllname[20], *p;
1154 /* Fix the name in case we have a full path and extension */
1156 if ((p = strrchr( name, '\\' ))) name = p + 1;
1157 if ((p = strrchr( name, '/' ))) name = p + 1;
1159 if (strlen(name) >= sizeof(dllname)-4) return (HMODULE16)2;
1161 strcpy( dllname, name );
1162 p = strrchr( dllname, '.' );
1163 if (!p) strcat( dllname, ".dll" );
1164 for (p = dllname; *p; p++) *p = FILE_tolower(*p);
1166 if ((descr = find_dll_descr( dllname )))
1167 return NE_DoLoadBuiltinModule( descr );
1169 if ((handle = wine_dll_load( dllname, error, sizeof(error), &file_exists )))
1171 if ((descr = find_dll_descr( dllname )))
1172 return NE_DoLoadBuiltinModule( descr );
1174 ERR( "loaded .so but dll %s still not found\n", dllname );
1178 if (!file_exists) WARN("cannot open .so lib for 16-bit builtin %s: %s\n", name, error);
1179 else ERR("failed to load .so lib for 16-bit builtin %s: %s\n", name, error );
1181 return (HMODULE16)2;
1185 /**********************************************************************
1186 * MODULE_LoadModule16
1188 * Load a NE module in the order of the loadorder specification.
1189 * The caller is responsible that the module is not loaded already.
1192 static HINSTANCE16 MODULE_LoadModule16( LPCSTR libname, BOOL implicit, BOOL lib_only )
1194 HINSTANCE16 hinst = 2;
1195 enum loadorder_type loadorder[LOADORDER_NTYPES];
1197 const char *filetype = "";
1198 const char *ptr, *basename;
1200 /* strip path information */
1203 if (basename[0] && basename[1] == ':') basename += 2; /* strip drive specification */
1204 if ((ptr = strrchr( basename, '\\' ))) basename = ptr + 1;
1205 if ((ptr = strrchr( basename, '/' ))) basename = ptr + 1;
1207 if (is_builtin_present(basename))
1209 TRACE( "forcing loadorder to builtin for %s\n", debugstr_a(basename) );
1210 /* force builtin loadorder since the dll is already in memory */
1211 loadorder[0] = LOADORDER_BI;
1212 loadorder[1] = LOADORDER_INVALID;
1216 WCHAR buffer[MAX_PATH], *p;
1218 if (!GetModuleFileNameW( 0, buffer, MAX_PATH )) p = NULL;
1221 if ((p = strrchrW( buffer, '\\' ))) p++;
1224 MODULE_GetLoadOrderA(loadorder, p, basename, FALSE);
1227 for(i = 0; i < LOADORDER_NTYPES; i++)
1229 if (loadorder[i] == LOADORDER_INVALID) break;
1231 switch(loadorder[i])
1234 TRACE("Trying native dll '%s'\n", libname);
1235 hinst = NE_LoadModule(libname, lib_only);
1236 filetype = "native";
1240 TRACE("Trying built-in '%s'\n", libname);
1241 hinst = NE_LoadBuiltinModule(libname);
1242 filetype = "builtin";
1252 TRACE_(loaddll)("Loaded module '%s' : %s\n", libname, filetype);
1258 hModule = GetModuleHandle16(libname);
1261 ERR("Serious trouble. Just loaded module '%s' (hinst=0x%04x), but can't get module handle. Filename too long ?\n",
1263 return 6; /* ERROR_INVALID_HANDLE seems most appropriate */
1266 pModule = NE_GetPtr(hModule);
1269 ERR("Serious trouble. Just loaded module '%s' (hinst=0x%04x), but can't get NE_MODULE pointer\n",
1271 return 6; /* ERROR_INVALID_HANDLE seems most appropriate */
1274 TRACE("Loaded module '%s' at 0x%04x.\n", libname, hinst);
1277 * Call initialization routines for all loaded DLLs. Note that
1278 * when we load implicitly linked DLLs this will be done by InitTask().
1280 if(pModule->flags & NE_FFLAGS_LIBMODULE)
1282 NE_InitializeDLLs(hModule);
1283 NE_DllProcessAttach(hModule);
1291 /* We quit searching when we get another error than 'File not found' */
1295 return hinst; /* The last error that occurred */
1299 /**********************************************************************
1302 * Create the thread for a 16-bit module.
1304 static HINSTANCE16 NE_CreateThread( NE_MODULE *pModule, WORD cmdShow, LPCSTR cmdline )
1309 HINSTANCE16 instance = 0;
1311 if (!(hTask = TASK_SpawnTask( pModule, cmdShow, cmdline + 1, *cmdline, &hThread )))
1314 /* Post event to start the task */
1315 PostEvent16( hTask );
1317 /* Wait until we get the instance handle */
1320 DirectedYield16( hTask );
1321 if (!IsTask16( hTask )) /* thread has died */
1324 WaitForSingleObject( hThread, INFINITE );
1325 GetExitCodeThread( hThread, &exit_code );
1326 CloseHandle( hThread );
1329 if (!(pTask = GlobalLock16( hTask ))) break;
1330 instance = pTask->hInstance;
1331 GlobalUnlock16( hTask );
1332 } while (!instance);
1334 CloseHandle( hThread );
1339 /**********************************************************************
1340 * LoadModule (KERNEL.45)
1342 HINSTANCE16 WINAPI LoadModule16( LPCSTR name, LPVOID paramBlock )
1344 BOOL lib_only = !paramBlock || (paramBlock == (LPVOID)-1);
1345 LOADPARAMS16 *params;
1353 if ( (hModule = NE_GetModuleByFilename(name) ) != 0 )
1355 /* Special case: second instance of an already loaded NE module */
1357 if ( !( pModule = NE_GetPtr( hModule ) ) ) return (HINSTANCE16)11;
1358 if ( pModule->module32 ) return (HINSTANCE16)21;
1360 /* Increment refcount */
1366 /* Main case: load first instance of NE module */
1368 if ( (hModule = MODULE_LoadModule16( name, FALSE, lib_only )) < 32 )
1371 if ( !(pModule = NE_GetPtr( hModule )) )
1372 return (HINSTANCE16)11;
1375 /* If library module, we just retrieve the instance handle */
1377 if ( ( pModule->flags & NE_FFLAGS_LIBMODULE ) || lib_only )
1378 return NE_GetInstance( pModule );
1381 * At this point, we need to create a new process.
1383 * pModule points either to an already loaded module, whose refcount
1384 * has already been incremented (to avoid having the module vanish
1385 * in the meantime), or else to a stub module which contains only header
1388 params = (LOADPARAMS16 *)paramBlock;
1389 cmdShow = ((WORD *)MapSL(params->showCmd))[1];
1390 cmdline = MapSL( params->cmdLine );
1391 return NE_CreateThread( pModule, cmdShow, cmdline );
1395 /**********************************************************************
1398 * Startup code for a new 16-bit task.
1400 DWORD NE_StartTask(void)
1402 TDB *pTask = TASK_GetCurrent();
1403 NE_MODULE *pModule = NE_GetPtr( pTask->hModule );
1404 HINSTANCE16 hInstance, hPrevInstance;
1405 SEGTABLEENTRY *pSegTable = NE_SEG_TABLE( pModule );
1408 if ( pModule->count > 0 )
1410 /* Second instance of an already loaded NE module */
1411 /* Note that the refcount was already incremented by the parent */
1413 hPrevInstance = NE_GetInstance( pModule );
1415 if ( pModule->dgroup )
1416 if ( NE_CreateSegment( pModule, pModule->dgroup ) )
1417 NE_LoadSegment( pModule, pModule->dgroup );
1419 hInstance = NE_GetInstance( pModule );
1420 TRACE("created second instance %04x[%d] of instance %04x.\n", hInstance, pModule->dgroup, hPrevInstance);
1425 /* Load first instance of NE module */
1427 pModule->flags |= NE_FFLAGS_GUI; /* FIXME: is this necessary? */
1429 hInstance = NE_DoLoadModule( pModule );
1433 if ( hInstance >= 32 )
1437 /* Enter instance handles into task struct */
1439 pTask->hInstance = hInstance;
1440 pTask->hPrevInstance = hPrevInstance;
1442 /* Use DGROUP for 16-bit stack */
1444 if (!(sp = pModule->sp))
1445 sp = pSegTable[pModule->ss-1].minsize + pModule->stack_size;
1447 sp -= sizeof(STACK16FRAME);
1448 NtCurrentTeb()->cur_stack = MAKESEGPTR( GlobalHandleToSel16(hInstance), sp );
1450 /* Registers at initialization must be:
1452 * bx stack size in bytes
1453 * cx heap size in bytes
1454 * si previous app instance
1455 * di current app instance
1457 * es selector to the PSP
1458 * ds dgroup of the application
1460 * sp top of the stack
1462 memset( &context, 0, sizeof(context) );
1463 context.SegCs = GlobalHandleToSel16(pSegTable[pModule->cs - 1].hSeg);
1464 context.SegDs = GlobalHandleToSel16(pTask->hInstance);
1465 context.SegEs = pTask->hPDB;
1466 context.Eip = pModule->ip;
1467 context.Ebx = pModule->stack_size;
1468 context.Ecx = pModule->heap_size;
1469 context.Edi = pTask->hInstance;
1470 context.Esi = pTask->hPrevInstance;
1472 /* Now call 16-bit entry point */
1474 TRACE("Starting main program: cs:ip=%04lx:%04lx ds=%04lx ss:sp=%04x:%04x\n",
1475 context.SegCs, context.Eip, context.SegDs,
1476 SELECTOROF(NtCurrentTeb()->cur_stack),
1477 OFFSETOF(NtCurrentTeb()->cur_stack) );
1479 WOWCallback16Ex( 0, WCB16_REGS, 0, NULL, (DWORD *)&context );
1480 ExitThread( LOWORD(context.Eax) );
1482 return hInstance; /* error code */
1485 /***********************************************************************
1486 * LoadLibrary (KERNEL.95)
1487 * LoadLibrary16 (KERNEL32.35)
1489 HINSTANCE16 WINAPI LoadLibrary16( LPCSTR libname )
1491 return LoadModule16(libname, (LPVOID)-1 );
1495 /**********************************************************************
1498 * Call a DLL's WEP, allowing it to shut down.
1499 * FIXME: we always pass the WEP WEP_FREE_DLL, never WEP_SYSTEM_EXIT
1501 static BOOL16 MODULE_CallWEP( HMODULE16 hModule )
1504 FARPROC16 WEP = GetProcAddress16( hModule, "WEP" );
1505 if (!WEP) return FALSE;
1512 args[0] = WEP_FREE_DLL;
1513 WOWCallback16Ex( (DWORD)WEP, WCB16_PASCAL, sizeof(args), args, &dwRet );
1514 ret = LOWORD(dwRet);
1516 __EXCEPT(page_fault)
1518 WARN("Page fault\n");
1527 /**********************************************************************
1530 * Implementation of FreeModule16().
1532 static BOOL16 NE_FreeModule( HMODULE16 hModule, BOOL call_wep )
1534 HMODULE16 *hPrevModule;
1539 if (!(pModule = NE_GetPtr( hModule ))) return FALSE;
1540 hModule = pModule->self;
1542 TRACE("%04x count %d\n", hModule, pModule->count );
1544 if (((INT16)(--pModule->count)) > 0 ) return TRUE;
1545 else pModule->count = 0;
1547 if (pModule->flags & NE_FFLAGS_BUILTIN)
1548 return FALSE; /* Can't free built-in module */
1550 if (call_wep && !(pModule->flags & NE_FFLAGS_WIN32))
1552 /* Free the objects owned by the DLL module */
1553 NE_CallUserSignalProc( hModule, USIG16_DLL_UNLOAD );
1555 if (pModule->flags & NE_FFLAGS_LIBMODULE)
1556 MODULE_CallWEP( hModule );
1558 call_wep = FALSE; /* We are freeing a task -> no more WEPs */
1562 /* Clear magic number just in case */
1564 pModule->magic = pModule->self = 0;
1565 if (pModule->fd) CloseHandle( pModule->fd );
1567 /* Remove it from the linked list */
1569 hPrevModule = &hFirstModule;
1570 while (*hPrevModule && (*hPrevModule != hModule))
1572 hPrevModule = &(NE_GetPtr( *hPrevModule ))->next;
1574 if (*hPrevModule) *hPrevModule = pModule->next;
1576 /* Free the referenced modules */
1578 pModRef = (HMODULE16*)NE_MODULE_TABLE( pModule );
1579 for (i = 0; i < pModule->modref_count; i++, pModRef++)
1581 NE_FreeModule( *pModRef, call_wep );
1584 /* Free the module storage */
1586 GlobalFreeAll16( hModule );
1591 /**********************************************************************
1592 * FreeModule (KERNEL.46)
1594 BOOL16 WINAPI FreeModule16( HMODULE16 hModule )
1596 return NE_FreeModule( hModule, TRUE );
1600 /***********************************************************************
1601 * FreeLibrary (KERNEL.96)
1602 * FreeLibrary16 (KERNEL32.36)
1604 void WINAPI FreeLibrary16( HINSTANCE16 handle )
1606 TRACE("%04x\n", handle );
1607 FreeModule16( handle );
1611 /***********************************************************************
1612 * GetModuleHandle16 (KERNEL32.@)
1614 HMODULE16 WINAPI GetModuleHandle16( LPCSTR name )
1616 HMODULE16 hModule = hFirstModule;
1618 BYTE len, *name_table;
1619 char tmpstr[MAX_PATH];
1622 TRACE("(%s)\n", name);
1624 if (!HIWORD(name)) return GetExePtr(LOWORD(name));
1629 lstrcpynA(tmpstr, name, sizeof(tmpstr));
1631 /* If 'name' matches exactly the module name of a module:
1632 * Return its handle.
1634 for (hModule = hFirstModule; hModule ; hModule = pModule->next)
1636 pModule = NE_GetPtr( hModule );
1637 if (!pModule) break;
1638 if (pModule->flags & NE_FFLAGS_WIN32) continue;
1640 name_table = (BYTE *)pModule + pModule->name_table;
1641 if ((*name_table == len) && !strncmp(name, name_table+1, len))
1645 /* If uppercased 'name' matches exactly the module name of a module:
1648 for (s = tmpstr; *s; s++) *s = FILE_toupper(*s);
1650 for (hModule = hFirstModule; hModule ; hModule = pModule->next)
1652 pModule = NE_GetPtr( hModule );
1653 if (!pModule) break;
1654 if (pModule->flags & NE_FFLAGS_WIN32) continue;
1656 name_table = (BYTE *)pModule + pModule->name_table;
1657 /* FIXME: the strncasecmp is WRONG. It should not be case insensitive,
1658 * but case sensitive! (Unfortunately Winword 6 and subdlls have
1659 * lowercased module names, but try to load uppercase DLLs, so this
1660 * 'i' compare is just a quickfix until the loader handles that
1661 * correctly. -MM 990705
1663 if ((*name_table == len) && !FILE_strncasecmp(tmpstr, name_table+1, len))
1667 /* If the base filename of 'name' matches the base filename of the module
1668 * filename of some module (case-insensitive compare):
1669 * Return its handle.
1672 /* basename: search backwards in passed name to \ / or : */
1673 s = tmpstr + strlen(tmpstr);
1676 if (s[-1]=='/' || s[-1]=='\\' || s[-1]==':')
1681 /* search this in loaded filename list */
1682 for (hModule = hFirstModule; hModule ; hModule = pModule->next)
1687 pModule = NE_GetPtr( hModule );
1688 if (!pModule) break;
1689 if (!pModule->fileinfo) continue;
1690 if (pModule->flags & NE_FFLAGS_WIN32) continue;
1692 ofs = (OFSTRUCT*)((BYTE *)pModule + pModule->fileinfo);
1693 loadedfn = ((char*)ofs->szPathName) + strlen(ofs->szPathName);
1694 /* basename: search backwards in pathname to \ / or : */
1695 while (loadedfn > (char*)ofs->szPathName)
1697 if (loadedfn[-1]=='/' || loadedfn[-1]=='\\' || loadedfn[-1]==':')
1701 /* case insensitive compare ... */
1702 if (!FILE_strcasecmp(loadedfn, s))
1709 /**********************************************************************
1710 * GetModuleName (KERNEL.27)
1712 BOOL16 WINAPI GetModuleName16( HINSTANCE16 hinst, LPSTR buf, INT16 count )
1717 if (!(pModule = NE_GetPtr( hinst ))) return FALSE;
1718 p = (BYTE *)pModule + pModule->name_table;
1719 if (count > *p) count = *p + 1;
1722 memcpy( buf, p + 1, count - 1 );
1723 buf[count-1] = '\0';
1729 /**********************************************************************
1730 * GetModuleFileName (KERNEL.49)
1732 * Comment: see GetModuleFileNameA
1734 * Even if invoked by second instance of a program,
1735 * it still returns path of first one.
1737 INT16 WINAPI GetModuleFileName16( HINSTANCE16 hModule, LPSTR lpFileName,
1742 /* Win95 does not query hModule if set to 0 !
1743 * Is this wrong or maybe Win3.1 only ? */
1744 if (!hModule) hModule = GetCurrentTask();
1746 if (!(pModule = NE_GetPtr( hModule ))) return 0;
1747 lstrcpynA( lpFileName, NE_MODULE_NAME(pModule), nSize );
1748 if (pModule->expected_version >= 0x400)
1749 GetLongPathNameA(NE_MODULE_NAME(pModule), lpFileName, nSize);
1750 TRACE("%04x -> '%s'\n", hModule, lpFileName );
1751 return strlen(lpFileName);
1755 /**********************************************************************
1756 * GetModuleUsage (KERNEL.48)
1758 INT16 WINAPI GetModuleUsage16( HINSTANCE16 hModule )
1760 NE_MODULE *pModule = NE_GetPtr( hModule );
1761 return pModule ? pModule->count : 0;
1765 /**********************************************************************
1766 * GetExpWinVer (KERNEL.167)
1768 WORD WINAPI GetExpWinVer16( HMODULE16 hModule )
1770 NE_MODULE *pModule = NE_GetPtr( hModule );
1771 if ( !pModule ) return 0;
1774 * For built-in modules, fake the expected version the module should
1775 * have according to the Windows version emulated by Wine
1777 if ( !pModule->expected_version )
1779 OSVERSIONINFOA versionInfo;
1780 versionInfo.dwOSVersionInfoSize = sizeof(versionInfo);
1782 if ( GetVersionExA( &versionInfo ) )
1783 pModule->expected_version =
1784 (versionInfo.dwMajorVersion & 0xff) << 8
1785 | (versionInfo.dwMinorVersion & 0xff);
1788 return pModule->expected_version;
1792 /***********************************************************************
1793 * WinExec (KERNEL.166)
1795 HINSTANCE16 WINAPI WinExec16( LPCSTR lpCmdLine, UINT16 nCmdShow )
1797 LPCSTR p, args = NULL;
1798 LPCSTR name_beg, name_end;
1799 LPSTR name, cmdline;
1802 char buffer[MAX_PATH];
1804 if (*lpCmdLine == '"') /* has to be only one and only at beginning ! */
1806 name_beg = lpCmdLine+1;
1807 p = strchr ( lpCmdLine+1, '"' );
1811 args = strchr ( p, ' ' );
1813 else /* yes, even valid with trailing '"' missing */
1814 name_end = lpCmdLine+strlen(lpCmdLine);
1818 name_beg = lpCmdLine;
1819 args = strchr( lpCmdLine, ' ' );
1820 name_end = args ? args : lpCmdLine+strlen(lpCmdLine);
1823 if ((name_beg == lpCmdLine) && (!args))
1824 { /* just use the original cmdline string as file name */
1825 name = (LPSTR)lpCmdLine;
1829 if (!(name = HeapAlloc( GetProcessHeap(), 0, name_end - name_beg + 1 )))
1830 return ERROR_NOT_ENOUGH_MEMORY;
1831 memcpy( name, name_beg, name_end - name_beg );
1832 name[name_end - name_beg] = '\0';
1838 arglen = strlen(args);
1839 cmdline = HeapAlloc( GetProcessHeap(), 0, 2 + arglen );
1840 cmdline[0] = (BYTE)arglen;
1841 strcpy( cmdline + 1, args );
1845 cmdline = HeapAlloc( GetProcessHeap(), 0, 2 );
1846 cmdline[0] = cmdline[1] = 0;
1849 TRACE("name: '%s', cmdline: '%.*s'\n", name, cmdline[0], &cmdline[1]);
1851 if (SearchPathA( NULL, name, ".exe", sizeof(buffer), buffer, NULL ))
1853 LOADPARAMS16 params;
1856 showCmd[1] = nCmdShow;
1858 params.hEnvironment = 0;
1859 params.cmdLine = MapLS( cmdline );
1860 params.showCmd = MapLS( showCmd );
1861 params.reserved = 0;
1863 ret = LoadModule16( buffer, ¶ms );
1864 UnMapLS( params.cmdLine );
1865 UnMapLS( params.showCmd );
1867 else ret = GetLastError();
1869 HeapFree( GetProcessHeap(), 0, cmdline );
1870 if (name != lpCmdLine) HeapFree( GetProcessHeap(), 0, name );
1872 if (ret == 21) /* 32-bit module */
1875 ReleaseThunkLock( &count );
1876 ret = LOWORD( WinExec( lpCmdLine, nCmdShow ) );
1877 RestoreThunkLock( count );
1882 /***********************************************************************
1883 * GetProcAddress (KERNEL.50)
1885 FARPROC16 WINAPI GetProcAddress16( HMODULE16 hModule, LPCSTR name )
1890 if (!hModule) hModule = GetCurrentTask();
1891 hModule = GetExePtr( hModule );
1893 if (HIWORD(name) != 0)
1895 ordinal = NE_GetOrdinal( hModule, name );
1896 TRACE("%04x '%s'\n", hModule, name );
1900 ordinal = LOWORD(name);
1901 TRACE("%04x %04x\n", hModule, ordinal );
1903 if (!ordinal) return (FARPROC16)0;
1905 ret = NE_GetEntryPoint( hModule, ordinal );
1907 TRACE("returning %08x\n", (UINT)ret );
1912 /***************************************************************************
1913 * HasGPHandler (KERNEL.338)
1915 SEGPTR WINAPI HasGPHandler16( SEGPTR address )
1920 GPHANDLERDEF *gpHandler;
1922 if ( (hModule = FarGetOwner16( SELECTOROF(address) )) != 0
1923 && (gpOrdinal = NE_GetOrdinal( hModule, "__GP" )) != 0
1924 && (gpPtr = (SEGPTR)NE_GetEntryPointEx( hModule, gpOrdinal, FALSE )) != 0
1925 && !IsBadReadPtr16( gpPtr, sizeof(GPHANDLERDEF) )
1926 && (gpHandler = MapSL( gpPtr )) != NULL )
1928 while (gpHandler->selector)
1930 if ( SELECTOROF(address) == gpHandler->selector
1931 && OFFSETOF(address) >= gpHandler->rangeStart
1932 && OFFSETOF(address) < gpHandler->rangeEnd )
1933 return MAKESEGPTR( gpHandler->selector, gpHandler->handler );
1942 /**********************************************************************
1943 * GetModuleHandle (KERNEL.47)
1945 * Find a module from a module name.
1947 * NOTE: The current implementation works the same way the Windows 95 one
1948 * does. Do not try to 'fix' it, fix the callers.
1949 * + It does not do ANY extension handling (except that strange .EXE bit)!
1950 * + It does not care about paths, just about basenames. (same as Windows)
1954 * the win16 module handle if found
1956 * HIWORD (undocumented, see "Undocumented Windows", chapter 5):
1957 * Always hFirstModule
1959 DWORD WINAPI WIN16_GetModuleHandle( SEGPTR name )
1961 if (HIWORD(name) == 0)
1962 return MAKELONG(GetExePtr( (HINSTANCE16)name), hFirstModule );
1963 return MAKELONG(GetModuleHandle16( MapSL(name)), hFirstModule );
1966 /**********************************************************************
1967 * NE_GetModuleByFilename
1969 static HMODULE16 NE_GetModuleByFilename( LPCSTR name )
1973 BYTE len, *name_table;
1974 char tmpstr[MAX_PATH];
1977 lstrcpynA(tmpstr, name, sizeof(tmpstr));
1979 /* If the base filename of 'name' matches the base filename of the module
1980 * filename of some module (case-insensitive compare):
1981 * Return its handle.
1984 /* basename: search backwards in passed name to \ / or : */
1985 s = tmpstr + strlen(tmpstr);
1988 if (s[-1]=='/' || s[-1]=='\\' || s[-1]==':')
1993 /* search this in loaded filename list */
1994 for (hModule = hFirstModule; hModule ; hModule = pModule->next)
1999 pModule = NE_GetPtr( hModule );
2000 if (!pModule) break;
2001 if (!pModule->fileinfo) continue;
2002 if (pModule->flags & NE_FFLAGS_WIN32) continue;
2004 ofs = (OFSTRUCT*)((BYTE *)pModule + pModule->fileinfo);
2005 loadedfn = ((char*)ofs->szPathName) + strlen(ofs->szPathName);
2006 /* basename: search backwards in pathname to \ / or : */
2007 while (loadedfn > (char*)ofs->szPathName)
2009 if (loadedfn[-1]=='/' || loadedfn[-1]=='\\' || loadedfn[-1]==':')
2013 /* case insensitive compare ... */
2014 if (!FILE_strcasecmp(loadedfn, s))
2017 /* If basename (without ext) matches the module name of a module:
2018 * Return its handle.
2021 if ( (p = strrchr( s, '.' )) != NULL ) *p = '\0';
2024 for (hModule = hFirstModule; hModule ; hModule = pModule->next)
2026 pModule = NE_GetPtr( hModule );
2027 if (!pModule) break;
2028 if (pModule->flags & NE_FFLAGS_WIN32) continue;
2030 name_table = (BYTE *)pModule + pModule->name_table;
2031 if ((*name_table == len) && !FILE_strncasecmp(s, name_table+1, len))
2038 /***********************************************************************
2039 * GetProcAddress16 (KERNEL32.37)
2040 * Get procaddress in 16bit module from win32... (kernel32 undoc. ordinal func)
2042 FARPROC16 WINAPI WIN32_GetProcAddress16( HMODULE hModule, LPCSTR name )
2044 if (!hModule) return 0;
2045 if (HIWORD(hModule))
2047 WARN("hModule is Win32 handle (%p)\n", hModule );
2050 return GetProcAddress16( LOWORD(hModule), name );
2053 /**********************************************************************
2054 * ModuleFirst (TOOLHELP.59)
2056 BOOL16 WINAPI ModuleFirst16( MODULEENTRY *lpme )
2058 lpme->wNext = hFirstModule;
2059 return ModuleNext16( lpme );
2063 /**********************************************************************
2064 * ModuleNext (TOOLHELP.60)
2066 BOOL16 WINAPI ModuleNext16( MODULEENTRY *lpme )
2071 if (!lpme->wNext) return FALSE;
2072 if (!(pModule = NE_GetPtr( lpme->wNext ))) return FALSE;
2073 name = (char *)pModule + pModule->name_table;
2074 memcpy( lpme->szModule, name + 1, min(*name, MAX_MODULE_NAME) );
2075 lpme->szModule[min(*name, MAX_MODULE_NAME)] = '\0';
2076 lpme->hModule = lpme->wNext;
2077 lpme->wcUsage = pModule->count;
2078 lstrcpynA( lpme->szExePath, NE_MODULE_NAME(pModule), sizeof(lpme->szExePath) );
2079 lpme->wNext = pModule->next;
2084 /**********************************************************************
2085 * ModuleFindName (TOOLHELP.61)
2087 BOOL16 WINAPI ModuleFindName16( MODULEENTRY *lpme, LPCSTR name )
2089 lpme->wNext = GetModuleHandle16( name );
2090 return ModuleNext16( lpme );
2094 /**********************************************************************
2095 * ModuleFindHandle (TOOLHELP.62)
2097 BOOL16 WINAPI ModuleFindHandle16( MODULEENTRY *lpme, HMODULE16 hModule )
2099 hModule = GetExePtr( hModule );
2100 lpme->wNext = hModule;
2101 return ModuleNext16( lpme );
2105 /***************************************************************************
2106 * IsRomModule (KERNEL.323)
2108 BOOL16 WINAPI IsRomModule16( HMODULE16 unused )
2113 /***************************************************************************
2114 * IsRomFile (KERNEL.326)
2116 BOOL16 WINAPI IsRomFile16( HFILE16 unused )
2121 /***********************************************************************
2122 * create_dummy_module
2124 * Create a dummy NE module for Win32 or Winelib.
2126 static HMODULE16 create_dummy_module( HMODULE module32 )
2130 SEGTABLEENTRY *pSegment;
2133 const char* basename;
2136 char filename[MAX_PATH];
2137 IMAGE_NT_HEADERS *nt = RtlImageNtHeader( module32 );
2139 if (!nt) return (HMODULE16)11; /* invalid exe */
2141 /* Extract base filename */
2142 GetModuleFileNameA( module32, filename, sizeof(filename) );
2143 basename = strrchr(filename, '\\');
2144 if (!basename) basename = filename;
2146 len = strlen(basename);
2147 if ((s = strchr(basename, '.'))) len = s - basename;
2149 /* Allocate module */
2150 of_size = sizeof(OFSTRUCT) - sizeof(ofs->szPathName)
2151 + strlen(filename) + 1;
2152 size = sizeof(NE_MODULE) +
2153 /* loaded file info */
2154 ((of_size + 3) & ~3) +
2155 /* segment table: DS,CS */
2156 2 * sizeof(SEGTABLEENTRY) +
2159 /* several empty tables */
2162 hModule = GlobalAlloc16( GMEM_MOVEABLE | GMEM_ZEROINIT, size );
2163 if (!hModule) return (HMODULE16)11; /* invalid exe */
2165 FarSetOwner16( hModule, hModule );
2166 pModule = (NE_MODULE *)GlobalLock16( hModule );
2168 /* Set all used entries */
2169 pModule->magic = IMAGE_OS2_SIGNATURE;
2172 pModule->flags = NE_FFLAGS_WIN32;
2173 pModule->dgroup = 0;
2176 pModule->heap_size = 0;
2177 pModule->stack_size = 0;
2178 pModule->seg_count = 2;
2179 pModule->modref_count = 0;
2180 pModule->nrname_size = 0;
2181 pModule->fileinfo = sizeof(NE_MODULE);
2182 pModule->os_flags = NE_OSFLAGS_WINDOWS;
2183 pModule->self = hModule;
2184 pModule->module32 = module32;
2186 /* Set version and flags */
2187 pModule->expected_version = ((nt->OptionalHeader.MajorSubsystemVersion & 0xff) << 8 ) |
2188 (nt->OptionalHeader.MinorSubsystemVersion & 0xff);
2189 if (nt->FileHeader.Characteristics & IMAGE_FILE_DLL)
2190 pModule->flags |= NE_FFLAGS_LIBMODULE | NE_FFLAGS_SINGLEDATA;
2192 /* Set loaded file information */
2193 ofs = (OFSTRUCT *)(pModule + 1);
2194 memset( ofs, 0, of_size );
2195 ofs->cBytes = of_size < 256 ? of_size : 255; /* FIXME */
2196 strcpy( ofs->szPathName, filename );
2198 pSegment = (SEGTABLEENTRY*)((char*)(pModule + 1) + ((of_size + 3) & ~3));
2199 pModule->seg_table = (int)pSegment - (int)pModule;
2202 pSegment->flags = NE_SEGFLAGS_DATA;
2203 pSegment->minsize = 0x1000;
2206 pSegment->flags = 0;
2210 pStr = (char *)pSegment;
2211 pModule->name_table = (int)pStr - (int)pModule;
2214 lstrcpynA( pStr+1, basename, len+1 );
2217 /* All tables zero terminated */
2218 pModule->res_table = pModule->import_table = pModule->entry_table = (int)pStr - (int)pModule;
2220 NE_RegisterModule( pModule );
2221 LoadLibraryA( filename ); /* increment the ref count of the 32-bit module */
2225 /***********************************************************************
2226 * PrivateLoadLibrary (KERNEL32.@)
2228 * FIXME: rough guesswork, don't know what "Private" means
2230 HINSTANCE16 WINAPI PrivateLoadLibrary(LPCSTR libname)
2232 return LoadLibrary16(libname);
2235 /***********************************************************************
2236 * PrivateFreeLibrary (KERNEL32.@)
2238 * FIXME: rough guesswork, don't know what "Private" means
2240 void WINAPI PrivateFreeLibrary(HINSTANCE16 handle)
2242 FreeLibrary16(handle);
2245 /***********************************************************************
2246 * LoadLibrary32 (KERNEL.452)
2247 * LoadSystemLibrary32 (KERNEL.482)
2249 HMODULE WINAPI LoadLibrary32_16( LPCSTR libname )
2254 ReleaseThunkLock( &count );
2255 hModule = LoadLibraryA( libname );
2256 RestoreThunkLock( count );
2260 /***************************************************************************
2261 * MapHModuleLS (KERNEL32.@)
2263 HMODULE16 WINAPI MapHModuleLS(HMODULE hmod)
2269 return TASK_GetCurrent()->hInstance;
2271 return LOWORD(hmod); /* we already have a 16 bit module handle */
2272 pModule = (NE_MODULE*)GlobalLock16(hFirstModule);
2274 if (pModule->module32 == hmod)
2275 return pModule->self;
2276 pModule = (NE_MODULE*)GlobalLock16(pModule->next);
2278 if ((ret = create_dummy_module( hmod )) < 32)
2286 /***************************************************************************
2287 * MapHModuleSL (KERNEL32.@)
2289 HMODULE WINAPI MapHModuleSL(HMODULE16 hmod)
2294 TDB *pTask = TASK_GetCurrent();
2295 hmod = pTask->hModule;
2297 pModule = (NE_MODULE*)GlobalLock16(hmod);
2298 if ((pModule->magic!=IMAGE_OS2_SIGNATURE) || !(pModule->flags & NE_FFLAGS_WIN32))
2300 return pModule->module32;
2303 /***************************************************************************
2304 * MapHInstLS (KERNEL32.@)
2305 * MapHInstLS (KERNEL.472)
2307 void WINAPI MapHInstLS( CONTEXT86 *context )
2309 context->Eax = MapHModuleLS( (HMODULE)context->Eax );
2312 /***************************************************************************
2313 * MapHInstSL (KERNEL32.@)
2314 * MapHInstSL (KERNEL.473)
2316 void WINAPI MapHInstSL( CONTEXT86 *context )
2318 context->Eax = (DWORD)MapHModuleSL( context->Eax );
2321 /***************************************************************************
2322 * MapHInstLS_PN (KERNEL32.@)
2324 void WINAPI MapHInstLS_PN( CONTEXT86 *context )
2326 if (context->Eax) context->Eax = MapHModuleLS( (HMODULE)context->Eax );
2329 /***************************************************************************
2330 * MapHInstSL_PN (KERNEL32.@)
2332 void WINAPI MapHInstSL_PN( CONTEXT86 *context )
2334 if (context->Eax) context->Eax = (DWORD)MapHModuleSL( context->Eax );