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"
36 #include "wine/winbase16.h"
40 #include "stackframe.h"
42 #include "wine/exception.h"
43 #include "wine/debug.h"
45 WINE_DEFAULT_DEBUG_CHANNEL(module);
46 WINE_DECLARE_DEBUG_CHANNEL(loaddll);
49 typedef struct _GPHANDLERDEF
61 struct ne_segment_table_entry_s
63 WORD seg_data_offset; /* Sector offset of segment data */
64 WORD seg_data_length; /* Length of segment data */
65 WORD seg_flags; /* Flags associated with this segment */
66 WORD min_alloc; /* Minimum allocation size for this */
69 #define hFirstModule (pThhook->hExeHead)
73 void *module_start; /* 32-bit address of the module data */
74 int module_size; /* Size of the module data */
75 void *code_start; /* 32-bit address of DLL code */
76 void *data_start; /* 32-bit address of DLL data */
77 const char *owner; /* 32-bit dll that contains this dll */
78 const void *rsrc; /* resources data */
79 } BUILTIN16_DESCRIPTOR;
81 /* Table of all built-in DLLs */
85 static const BUILTIN16_DESCRIPTOR *builtin_dlls[MAX_DLLS];
87 extern void SNOOP16_RegisterDLL(NE_MODULE*,LPCSTR);
88 extern FARPROC16 SNOOP16_GetProcAddress16(HMODULE16,DWORD,FARPROC16);
90 static HINSTANCE16 NE_LoadModule( LPCSTR name, BOOL lib_only );
91 static BOOL16 NE_FreeModule( HMODULE16 hModule, BOOL call_wep );
93 static HINSTANCE16 MODULE_LoadModule16( LPCSTR libname, BOOL implicit, BOOL lib_only );
95 static HMODULE16 NE_GetModuleByFilename( LPCSTR name );
98 static WINE_EXCEPTION_FILTER(page_fault)
100 if (GetExceptionCode() == EXCEPTION_ACCESS_VIOLATION ||
101 GetExceptionCode() == EXCEPTION_PRIV_INSTRUCTION)
102 return EXCEPTION_EXECUTE_HANDLER;
103 return EXCEPTION_CONTINUE_SEARCH;
107 /* patch all the flat cs references of the code segment if necessary */
108 inline static void patch_code_segment( void *code_segment )
111 CALLFROM16 *call = code_segment;
112 if (call->flatcs == wine_get_cs()) return; /* nothing to patch */
113 while (call->pushl == 0x68)
115 call->flatcs = wine_get_cs();
122 /***********************************************************************
125 * locale-independent case conversion for module lookups
127 static int NE_strcasecmp( const char *str1, const char *str2 )
130 for ( ; ; str1++, str2++)
131 if ((ret = RtlUpperChar(*str1) - RtlUpperChar(*str2)) || !*str1) break;
136 /***********************************************************************
139 * locale-independent case conversion for module lookups
141 static int NE_strncasecmp( const char *str1, const char *str2, int len )
144 for ( ; len > 0; len--, str1++, str2++)
145 if ((ret = RtlUpperChar(*str1) - RtlUpperChar(*str2)) || !*str1) break;
150 /***********************************************************************
153 * Find a descriptor in the list
155 static const BUILTIN16_DESCRIPTOR *find_dll_descr( const char *dllname )
158 for (i = 0; i < MAX_DLLS; i++)
160 const BUILTIN16_DESCRIPTOR *descr = builtin_dlls[i];
163 NE_MODULE *pModule = (NE_MODULE *)descr->module_start;
164 OFSTRUCT *pOfs = (OFSTRUCT *)((LPBYTE)pModule + pModule->fileinfo);
165 BYTE *name_table = (BYTE *)pModule + pModule->name_table;
167 /* check the dll file name */
168 if (!NE_strcasecmp( pOfs->szPathName, dllname )) return descr;
169 /* check the dll module name (without extension) */
170 if (!NE_strncasecmp( dllname, name_table+1, *name_table ) &&
171 !strcmp( dllname + *name_table, ".dll" ))
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 static 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 static 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 = RtlUpperChar(*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 unsigned 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 ERROR_BAD_FORMAT;
636 if (!read_data( handle, mz_header.e_lfanew, &ne_header, sizeof(ne_header) ))
637 return ERROR_BAD_FORMAT;
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 ERROR_BAD_FORMAT;
646 /* We now have a valid NE header */
648 /* check to be able to fall back to loading OS/2 programs as DOS
649 * FIXME: should this check be reversed in order to be less strict?
650 * (only fail for OS/2 ne_exetyp 0x01 here?) */
651 if ((ne_header.ne_exetyp != 0x02 /* Windows */)
652 && (ne_header.ne_exetyp != 0x04) /* Windows 386 */)
653 return ERROR_BAD_FORMAT;
655 size = sizeof(NE_MODULE) +
657 ne_header.ne_cseg * sizeof(SEGTABLEENTRY) +
659 ne_header.ne_restab - ne_header.ne_rsrctab +
660 /* resident names table */
661 ne_header.ne_modtab - ne_header.ne_restab +
662 /* module ref table */
663 ne_header.ne_cmod * sizeof(WORD) +
664 /* imported names table */
665 ne_header.ne_enttab - ne_header.ne_imptab +
666 /* entry table length */
667 ne_header.ne_cbenttab +
668 /* entry table extra conversion space */
670 2 * (ne_header.ne_cbenttab - ne_header.ne_cmovent*6) +
671 /* loaded file info */
672 sizeof(OFSTRUCT) - sizeof(ofs->szPathName) + strlen(path) + 1;
674 hModule = GlobalAlloc16( GMEM_FIXED | GMEM_ZEROINIT, size );
675 if (!hModule) return ERROR_BAD_FORMAT;
677 FarSetOwner16( hModule, hModule );
678 pModule = (NE_MODULE *)GlobalLock16( hModule );
679 memcpy( pModule, &ne_header, sizeof(ne_header) );
681 /* check *programs* for default minimal stack size */
682 if ( (!(pModule->flags & NE_FFLAGS_LIBMODULE))
683 && (pModule->stack_size < 0x1400) )
684 pModule->stack_size = 0x1400;
685 pModule->module32 = 0;
686 pModule->self = hModule;
687 pModule->self_loading_sel = 0;
688 pData = (BYTE *)(pModule + 1);
690 /* Clear internal Wine flags in case they are set in the EXE file */
692 pModule->flags &= ~(NE_FFLAGS_BUILTIN | NE_FFLAGS_WIN32);
694 /* Read the fast-load area */
696 if (ne_header.ne_flagsothers & NE_AFLAGS_FASTLOAD)
698 fastload_offset=ne_header.ne_pretthunks << ne_header.ne_align;
699 fastload_length=ne_header.ne_psegrefbytes << ne_header.ne_align;
700 TRACE("Using fast-load area offset=%x len=%d\n",
701 fastload_offset, fastload_length );
702 if ((fastload = HeapAlloc( GetProcessHeap(), 0, fastload_length )) != NULL)
704 if (!read_data( handle, fastload_offset, fastload, fastload_length))
706 HeapFree( GetProcessHeap(), 0, fastload );
707 WARN("Error reading fast-load area!\n");
713 /* Get the segment table */
715 pModule->seg_table = pData - (BYTE *)pModule;
716 buffer = HeapAlloc( GetProcessHeap(), 0, ne_header.ne_cseg *
717 sizeof(struct ne_segment_table_entry_s));
721 struct ne_segment_table_entry_s *pSeg;
723 if (!READ( mz_header.e_lfanew + ne_header.ne_segtab,
724 ne_header.ne_cseg * sizeof(struct ne_segment_table_entry_s),
727 HeapFree( GetProcessHeap(), 0, buffer );
728 HeapFree( GetProcessHeap(), 0, fastload );
729 GlobalFree16( hModule );
730 return ERROR_BAD_FORMAT;
732 pSeg = (struct ne_segment_table_entry_s *)buffer;
733 for (i = ne_header.ne_cseg; i > 0; i--, pSeg++)
735 memcpy( pData, pSeg, sizeof(*pSeg) );
736 pData += sizeof(SEGTABLEENTRY);
738 HeapFree( GetProcessHeap(), 0, buffer );
742 HeapFree( GetProcessHeap(), 0, fastload );
743 GlobalFree16( hModule );
744 return ERROR_BAD_FORMAT;
747 /* Get the resource table */
749 if (ne_header.ne_rsrctab < ne_header.ne_restab)
751 pModule->res_table = pData - (BYTE *)pModule;
752 if (!READ(mz_header.e_lfanew + ne_header.ne_rsrctab,
753 ne_header.ne_restab - ne_header.ne_rsrctab,
755 return ERROR_BAD_FORMAT;
756 pData += ne_header.ne_restab - ne_header.ne_rsrctab;
757 NE_InitResourceHandler( pModule );
759 else pModule->res_table = 0; /* No resource table */
761 /* Get the resident names table */
763 pModule->name_table = pData - (BYTE *)pModule;
764 if (!READ( mz_header.e_lfanew + ne_header.ne_restab,
765 ne_header.ne_modtab - ne_header.ne_restab,
768 HeapFree( GetProcessHeap(), 0, fastload );
769 GlobalFree16( hModule );
770 return ERROR_BAD_FORMAT;
772 pData += ne_header.ne_modtab - ne_header.ne_restab;
774 /* Get the module references table */
776 if (ne_header.ne_cmod > 0)
778 pModule->modref_table = pData - (BYTE *)pModule;
779 if (!READ( mz_header.e_lfanew + ne_header.ne_modtab,
780 ne_header.ne_cmod * sizeof(WORD),
783 HeapFree( GetProcessHeap(), 0, fastload );
784 GlobalFree16( hModule );
785 return ERROR_BAD_FORMAT;
787 pData += ne_header.ne_cmod * sizeof(WORD);
789 else pModule->modref_table = 0; /* No module references */
791 /* Get the imported names table */
793 pModule->import_table = pData - (BYTE *)pModule;
794 if (!READ( mz_header.e_lfanew + ne_header.ne_imptab,
795 ne_header.ne_enttab - ne_header.ne_imptab,
798 HeapFree( GetProcessHeap(), 0, fastload );
799 GlobalFree16( hModule );
800 return ERROR_BAD_FORMAT;
802 pData += ne_header.ne_enttab - ne_header.ne_imptab;
804 /* Load entry table, convert it to the optimized version used by Windows */
806 if ((pTempEntryTable = HeapAlloc( GetProcessHeap(), 0, ne_header.ne_cbenttab)) != NULL)
808 BYTE nr_entries, type, *s;
810 TRACE("Converting entry table.\n");
811 pModule->entry_table = pData - (BYTE *)pModule;
812 if (!READ( mz_header.e_lfanew + ne_header.ne_enttab,
813 ne_header.ne_cbenttab, pTempEntryTable ))
815 HeapFree( GetProcessHeap(), 0, pTempEntryTable );
816 HeapFree( GetProcessHeap(), 0, fastload );
817 GlobalFree16( hModule );
818 return ERROR_BAD_FORMAT;
822 TRACE("entry table: offs %04x, len %04x, entries %d\n", ne_header.ne_enttab, ne_header.ne_cbenttab, *s);
824 bundle = (ET_BUNDLE *)pData;
825 TRACE("first bundle: %p\n", bundle);
826 memset(bundle, 0, sizeof(ET_BUNDLE)); /* in case no entry table exists */
827 entry = (ET_ENTRY *)((BYTE *)bundle+6);
829 while ((nr_entries = *s++))
833 bundle->last += nr_entries;
840 entry->segnum = *s++;
841 entry->offs = *(WORD *)s; s += 2;
842 /*TRACE(module, "entry: %p, type: %d, flags: %d, segnum: %d, offs: %04x\n", entry, entry->type, entry->flags, entry->segnum, entry->offs);*/
850 entry->segnum = type;
851 entry->offs = *(WORD *)s; s += 2;
852 /*TRACE(module, "entry: %p, type: %d, flags: %d, segnum: %d, offs: %04x\n", entry, entry->type, entry->flags, entry->segnum, entry->offs);*/
858 if (bundle->first == bundle->last)
860 bundle->first += nr_entries;
861 bundle->last += nr_entries;
866 oldbundle->next = ((int)entry - (int)pModule);
867 bundle = (ET_BUNDLE *)entry;
868 TRACE("new bundle: %p\n", bundle);
869 bundle->first = bundle->last =
870 oldbundle->last + nr_entries;
872 entry = (ET_ENTRY*)(((BYTE*)entry)+sizeof(ET_BUNDLE));
876 HeapFree( GetProcessHeap(), 0, pTempEntryTable );
880 HeapFree( GetProcessHeap(), 0, fastload );
881 GlobalFree16( hModule );
882 return ERROR_BAD_FORMAT;
885 pData += ne_header.ne_cbenttab + sizeof(ET_BUNDLE) +
886 2 * (ne_header.ne_cbenttab - ne_header.ne_cmovent*6);
888 if ((DWORD)entry > (DWORD)pData)
889 ERR("converted entry table bigger than reserved space !!!\nentry: %p, pData: %p. Please report !\n", entry, pData);
891 /* Store the filename information */
893 pModule->fileinfo = pData - (BYTE *)pModule;
894 size = sizeof(OFSTRUCT) - sizeof(ofs->szPathName) + strlen(path) + 1;
895 ofs = (OFSTRUCT *)pData;
896 ofs->cBytes = size - 1;
898 strcpy( ofs->szPathName, path );
901 /* Free the fast-load area */
904 HeapFree( GetProcessHeap(), 0, fastload );
906 /* Get the non-resident names table */
908 if (ne_header.ne_cbnrestab)
910 pModule->nrname_handle = GlobalAlloc16( 0, ne_header.ne_cbnrestab );
911 if (!pModule->nrname_handle)
913 GlobalFree16( hModule );
914 return ERROR_BAD_FORMAT;
916 FarSetOwner16( pModule->nrname_handle, hModule );
917 buffer = GlobalLock16( pModule->nrname_handle );
918 if (!read_data( handle, ne_header.ne_nrestab, buffer, ne_header.ne_cbnrestab ))
920 GlobalFree16( pModule->nrname_handle );
921 GlobalFree16( hModule );
922 return ERROR_BAD_FORMAT;
925 else pModule->nrname_handle = 0;
927 /* Allocate a segment for the implicitly-loaded DLLs */
929 if (pModule->modref_count)
931 pModule->dlls_to_init = GlobalAlloc16( GMEM_ZEROINIT,
932 (pModule->modref_count+1)*sizeof(HMODULE16) );
933 if (!pModule->dlls_to_init)
935 if (pModule->nrname_handle) GlobalFree16( pModule->nrname_handle );
936 GlobalFree16( hModule );
937 return ERROR_BAD_FORMAT;
939 FarSetOwner16( pModule->dlls_to_init, hModule );
941 else pModule->dlls_to_init = 0;
943 NE_RegisterModule( pModule );
944 SNOOP16_RegisterDLL(pModule,path);
949 /***********************************************************************
952 * Load all DLLs implicitly linked to a module.
954 static BOOL NE_LoadDLLs( NE_MODULE *pModule )
957 WORD *pModRef = (WORD *)((char *)pModule + pModule->modref_table);
958 WORD *pDLLs = (WORD *)GlobalLock16( pModule->dlls_to_init );
960 for (i = 0; i < pModule->modref_count; i++, pModRef++)
962 char buffer[260], *p;
963 BYTE *pstr = (BYTE *)pModule + pModule->import_table + *pModRef;
964 memcpy( buffer, pstr + 1, *pstr );
965 *(buffer + *pstr) = 0; /* terminate it */
967 TRACE("Loading '%s'\n", buffer );
968 if (!(*pModRef = GetModuleHandle16( buffer )))
970 /* If the DLL is not loaded yet, load it and store */
971 /* its handle in the list of DLLs to initialize. */
974 /* Append .DLL to name if no extension present */
975 if (!(p = strrchr( buffer, '.')) || strchr( p, '/' ) || strchr( p, '\\'))
976 strcat( buffer, ".DLL" );
978 if ((hDLL = MODULE_LoadModule16( buffer, TRUE, TRUE )) < 32)
980 /* FIXME: cleanup what was done */
982 MESSAGE( "Could not load '%s' required by '%.*s', error=%d\n",
983 buffer, *((BYTE*)pModule + pModule->name_table),
984 (char *)pModule + pModule->name_table + 1, hDLL );
987 *pModRef = GetExePtr( hDLL );
990 else /* Increment the reference count of the DLL */
992 NE_MODULE *pOldDLL = NE_GetPtr( *pModRef );
993 if (pOldDLL) pOldDLL->count++;
1000 /**********************************************************************
1003 * Load first instance of NE module from file.
1005 * pModule must point to a module structure prepared by NE_LoadExeHeader.
1006 * This routine must never be called twice on a module.
1009 static HINSTANCE16 NE_DoLoadModule( NE_MODULE *pModule )
1011 /* Allocate the segments for this module */
1013 if (!NE_CreateAllSegments( pModule ))
1014 return ERROR_NOT_ENOUGH_MEMORY; /* 8 */
1016 /* Load the referenced DLLs */
1018 if (!NE_LoadDLLs( pModule ))
1019 return ERROR_FILE_NOT_FOUND; /* 2 */
1021 /* Load the segments */
1023 NE_LoadAllSegments( pModule );
1025 /* Make sure the usage count is 1 on the first loading of */
1026 /* the module, even if it contains circular DLL references */
1030 return NE_GetInstance( pModule );
1033 /**********************************************************************
1036 * Load first instance of NE module. (Note: caller is responsible for
1037 * ensuring the module isn't already loaded!)
1039 * If the module turns out to be an executable module, only a
1040 * handle to a module stub is returned; this needs to be initialized
1041 * by calling NE_DoLoadModule later, in the context of the newly
1044 * If lib_only is TRUE, however, the module is perforce treated
1045 * like a DLL module, even if it is an executable module.
1048 static HINSTANCE16 NE_LoadModule( LPCSTR name, BOOL lib_only )
1052 HINSTANCE16 hInstance;
1058 if ((hFile = OpenFile16( name, &ofs, OF_READ|OF_SHARE_DENY_WRITE )) == HFILE_ERROR16)
1059 return ERROR_FILE_NOT_FOUND;
1061 hModule = NE_LoadExeHeader( DosFileHandleToWin32Handle(hFile), ofs.szPathName );
1067 pModule = NE_GetPtr( hModule );
1069 drive_type = GetDriveTypeA( ofs.szPathName );
1070 if (drive_type != DRIVE_REMOVABLE && drive_type != DRIVE_CDROM)
1072 /* keep the file handle open if not on a removable media */
1073 DuplicateHandle( GetCurrentProcess(), DosFileHandleToWin32Handle(hFile),
1074 GetCurrentProcess(), &pModule->fd, 0, FALSE,
1075 DUPLICATE_SAME_ACCESS );
1079 if ( !lib_only && !( pModule->flags & NE_FFLAGS_LIBMODULE ) )
1082 hInstance = NE_DoLoadModule( pModule );
1083 if ( hInstance < 32 )
1086 NE_FreeModule( hModule, 0 );
1093 /***********************************************************************
1094 * NE_DoLoadBuiltinModule
1096 * Load a built-in Win16 module. Helper function for NE_LoadBuiltinModule.
1098 static HMODULE16 NE_DoLoadBuiltinModule( const BUILTIN16_DESCRIPTOR *descr )
1102 SEGTABLEENTRY *pSegTable;
1105 hModule = GLOBAL_CreateBlock( GMEM_MOVEABLE, descr->module_start,
1106 descr->module_size, 0, WINE_LDT_FLAGS_DATA );
1107 if (!hModule) return ERROR_NOT_ENOUGH_MEMORY;
1108 FarSetOwner16( hModule, hModule );
1110 pModule = (NE_MODULE *)GlobalLock16( hModule );
1111 pModule->self = hModule;
1112 /* NOTE: (Ab)use the hRsrcMap parameter for resource data pointer */
1113 pModule->hRsrcMap = (void *)descr->rsrc;
1115 /* Allocate the code segment */
1117 pSegTable = NE_SEG_TABLE( pModule );
1118 pSegTable->hSeg = GLOBAL_CreateBlock( GMEM_FIXED, descr->code_start,
1119 pSegTable->minsize, hModule,
1120 WINE_LDT_FLAGS_CODE|WINE_LDT_FLAGS_32BIT );
1121 if (!pSegTable->hSeg) return ERROR_NOT_ENOUGH_MEMORY;
1122 patch_code_segment( descr->code_start );
1125 /* Allocate the data segment */
1127 minsize = pSegTable->minsize ? pSegTable->minsize : 0x10000;
1128 minsize += pModule->heap_size;
1129 if (minsize > 0x10000) minsize = 0x10000;
1130 pSegTable->hSeg = GlobalAlloc16( GMEM_FIXED, minsize );
1131 if (!pSegTable->hSeg) return ERROR_NOT_ENOUGH_MEMORY;
1132 FarSetOwner16( pSegTable->hSeg, hModule );
1133 if (pSegTable->minsize) memcpy( GlobalLock16( pSegTable->hSeg ),
1134 descr->data_start, pSegTable->minsize);
1135 if (pModule->heap_size)
1136 LocalInit16( GlobalHandleToSel16(pSegTable->hSeg), pSegTable->minsize, minsize );
1138 if (descr->rsrc) NE_InitResourceHandler(pModule);
1140 NE_RegisterModule( pModule );
1146 /**********************************************************************
1147 * MODULE_LoadModule16
1149 * Load a NE module in the order of the loadorder specification.
1150 * The caller is responsible that the module is not loaded already.
1153 static HINSTANCE16 MODULE_LoadModule16( LPCSTR libname, BOOL implicit, BOOL lib_only )
1155 HINSTANCE16 hinst = 2;
1158 const BUILTIN16_DESCRIPTOR *descr = NULL;
1159 char dllname[20], owner[20], *p;
1160 const char *basename;
1163 /* strip path information */
1166 if (basename[0] && basename[1] == ':') basename += 2; /* strip drive specification */
1167 if ((p = strrchr( basename, '\\' ))) basename = p + 1;
1168 if ((p = strrchr( basename, '/' ))) basename = p + 1;
1170 if (strlen(basename) < sizeof(dllname)-4)
1172 strcpy( dllname, basename );
1173 p = strrchr( dllname, '.' );
1174 if (!p) strcat( dllname, ".dll" );
1175 for (p = dllname; *p; p++) if (*p >= 'A' && *p <= 'Z') *p += 32;
1177 if (wine_dll_get_owner( dllname, owner, sizeof(owner), &owner_exists ) != -1)
1179 HMODULE mod32 = LoadLibraryA( owner );
1182 if (!(descr = find_dll_descr( dllname )))
1184 FreeLibrary( mod32 );
1187 /* loading the 32-bit library can have the side effect of loading the module */
1188 /* if so, simply incr the ref count and return the module */
1189 if ((hModule = GetModuleHandle16( libname )))
1191 TRACE( "module %s already loaded by owner\n", libname );
1192 pModule = NE_GetPtr( hModule );
1193 if (pModule) pModule->count++;
1199 /* it's probably disabled by the load order config */
1200 WARN( "couldn't load owner %s for 16-bit dll %s\n", owner, dllname );
1201 return ERROR_FILE_NOT_FOUND;
1208 TRACE("Trying built-in '%s'\n", libname);
1209 hinst = NE_DoLoadBuiltinModule( descr );
1210 if (hinst > 32) TRACE_(loaddll)("Loaded module %s : builtin\n", debugstr_a(libname));
1214 TRACE("Trying native dll '%s'\n", libname);
1215 hinst = NE_LoadModule(libname, lib_only);
1216 if (hinst > 32) TRACE_(loaddll)("Loaded module %s : native\n", debugstr_a(libname));
1217 if (hinst == ERROR_FILE_NOT_FOUND && owner_exists) hinst = 21; /* win32 module */
1220 if (hinst > 32 && !implicit)
1222 hModule = GetModuleHandle16(libname);
1225 ERR("Serious trouble. Just loaded module '%s' (hinst=0x%04x), but can't get module handle. Filename too long ?\n",
1227 return ERROR_INVALID_HANDLE;
1230 pModule = NE_GetPtr(hModule);
1233 ERR("Serious trouble. Just loaded module '%s' (hinst=0x%04x), but can't get NE_MODULE pointer\n",
1235 return ERROR_INVALID_HANDLE;
1238 TRACE("Loaded module '%s' at 0x%04x.\n", libname, hinst);
1241 * Call initialization routines for all loaded DLLs. Note that
1242 * when we load implicitly linked DLLs this will be done by InitTask().
1244 if(pModule->flags & NE_FFLAGS_LIBMODULE)
1246 NE_InitializeDLLs(hModule);
1247 NE_DllProcessAttach(hModule);
1250 return hinst; /* The last error that occurred */
1254 /**********************************************************************
1257 * Create the thread for a 16-bit module.
1259 static HINSTANCE16 NE_CreateThread( NE_MODULE *pModule, WORD cmdShow, LPCSTR cmdline )
1264 HINSTANCE16 instance = 0;
1266 if (!(hTask = TASK_SpawnTask( pModule, cmdShow, cmdline + 1, *cmdline, &hThread )))
1269 /* Post event to start the task */
1270 PostEvent16( hTask );
1272 /* Wait until we get the instance handle */
1275 DirectedYield16( hTask );
1276 if (!IsTask16( hTask )) /* thread has died */
1279 WaitForSingleObject( hThread, INFINITE );
1280 GetExitCodeThread( hThread, &exit_code );
1281 CloseHandle( hThread );
1284 if (!(pTask = GlobalLock16( hTask ))) break;
1285 instance = pTask->hInstance;
1286 GlobalUnlock16( hTask );
1287 } while (!instance);
1289 CloseHandle( hThread );
1294 /**********************************************************************
1295 * LoadModule (KERNEL.45)
1297 HINSTANCE16 WINAPI LoadModule16( LPCSTR name, LPVOID paramBlock )
1299 BOOL lib_only = !paramBlock || (paramBlock == (LPVOID)-1);
1300 LOADPARAMS16 *params;
1308 if ( (hModule = NE_GetModuleByFilename(name) ) != 0 )
1310 /* Special case: second instance of an already loaded NE module */
1312 if ( !( pModule = NE_GetPtr( hModule ) ) ) return ERROR_BAD_FORMAT;
1313 if ( pModule->module32 ) return (HINSTANCE16)21;
1315 /* Increment refcount */
1321 /* Main case: load first instance of NE module */
1323 if ( (hModule = MODULE_LoadModule16( name, FALSE, lib_only )) < 32 )
1326 if ( !(pModule = NE_GetPtr( hModule )) )
1327 return ERROR_BAD_FORMAT;
1330 /* If library module, we just retrieve the instance handle */
1332 if ( ( pModule->flags & NE_FFLAGS_LIBMODULE ) || lib_only )
1333 return NE_GetInstance( pModule );
1336 * At this point, we need to create a new process.
1338 * pModule points either to an already loaded module, whose refcount
1339 * has already been incremented (to avoid having the module vanish
1340 * in the meantime), or else to a stub module which contains only header
1343 params = (LOADPARAMS16 *)paramBlock;
1344 cmdShow = ((WORD *)MapSL(params->showCmd))[1];
1345 cmdline = MapSL( params->cmdLine );
1346 return NE_CreateThread( pModule, cmdShow, cmdline );
1350 /**********************************************************************
1353 * Startup code for a new 16-bit task.
1355 DWORD NE_StartTask(void)
1357 TDB *pTask = TASK_GetCurrent();
1358 NE_MODULE *pModule = NE_GetPtr( pTask->hModule );
1359 HINSTANCE16 hInstance, hPrevInstance;
1360 SEGTABLEENTRY *pSegTable = NE_SEG_TABLE( pModule );
1363 if ( pModule->count > 0 )
1365 /* Second instance of an already loaded NE module */
1366 /* Note that the refcount was already incremented by the parent */
1368 hPrevInstance = NE_GetInstance( pModule );
1370 if ( pModule->dgroup )
1371 if ( NE_CreateSegment( pModule, pModule->dgroup ) )
1372 NE_LoadSegment( pModule, pModule->dgroup );
1374 hInstance = NE_GetInstance( pModule );
1375 TRACE("created second instance %04x[%d] of instance %04x.\n", hInstance, pModule->dgroup, hPrevInstance);
1380 /* Load first instance of NE module */
1382 pModule->flags |= NE_FFLAGS_GUI; /* FIXME: is this necessary? */
1384 hInstance = NE_DoLoadModule( pModule );
1388 if ( hInstance >= 32 )
1392 /* Enter instance handles into task struct */
1394 pTask->hInstance = hInstance;
1395 pTask->hPrevInstance = hPrevInstance;
1397 /* Use DGROUP for 16-bit stack */
1399 if (!(sp = pModule->sp))
1400 sp = pSegTable[pModule->ss-1].minsize + pModule->stack_size;
1402 sp -= sizeof(STACK16FRAME);
1403 NtCurrentTeb()->WOW32Reserved = (void *)MAKESEGPTR( GlobalHandleToSel16(hInstance), sp );
1405 /* Registers at initialization must be:
1407 * bx stack size in bytes
1408 * cx heap size in bytes
1409 * si previous app instance
1410 * di current app instance
1412 * es selector to the PSP
1413 * ds dgroup of the application
1415 * sp top of the stack
1417 memset( &context, 0, sizeof(context) );
1418 context.SegCs = GlobalHandleToSel16(pSegTable[pModule->cs - 1].hSeg);
1419 context.SegDs = GlobalHandleToSel16(pTask->hInstance);
1420 context.SegEs = pTask->hPDB;
1421 context.SegFs = wine_get_fs();
1422 context.SegGs = wine_get_gs();
1423 context.Eip = pModule->ip;
1424 context.Ebx = pModule->stack_size;
1425 context.Ecx = pModule->heap_size;
1426 context.Edi = pTask->hInstance;
1427 context.Esi = pTask->hPrevInstance;
1429 /* Now call 16-bit entry point */
1431 TRACE("Starting main program: cs:ip=%04lx:%04lx ds=%04lx ss:sp=%04x:%04x\n",
1432 context.SegCs, context.Eip, context.SegDs,
1433 SELECTOROF(NtCurrentTeb()->WOW32Reserved),
1434 OFFSETOF(NtCurrentTeb()->WOW32Reserved) );
1436 WOWCallback16Ex( 0, WCB16_REGS, 0, NULL, (DWORD *)&context );
1437 ExitThread( LOWORD(context.Eax) );
1439 return hInstance; /* error code */
1442 /***********************************************************************
1443 * LoadLibrary (KERNEL.95)
1444 * LoadLibrary16 (KERNEL32.35)
1446 HINSTANCE16 WINAPI LoadLibrary16( LPCSTR libname )
1448 return LoadModule16(libname, (LPVOID)-1 );
1452 /**********************************************************************
1455 * Call a DLL's WEP, allowing it to shut down.
1456 * FIXME: we always pass the WEP WEP_FREE_DLL, never WEP_SYSTEM_EXIT
1458 static BOOL16 MODULE_CallWEP( HMODULE16 hModule )
1461 FARPROC16 WEP = GetProcAddress16( hModule, "WEP" );
1462 if (!WEP) return FALSE;
1469 args[0] = WEP_FREE_DLL;
1470 WOWCallback16Ex( (DWORD)WEP, WCB16_PASCAL, sizeof(args), args, &dwRet );
1471 ret = LOWORD(dwRet);
1473 __EXCEPT(page_fault)
1475 WARN("Page fault\n");
1484 /**********************************************************************
1487 * Implementation of FreeModule16().
1489 static BOOL16 NE_FreeModule( HMODULE16 hModule, BOOL call_wep )
1491 HMODULE16 *hPrevModule;
1496 if (!(pModule = NE_GetPtr( hModule ))) return FALSE;
1497 hModule = pModule->self;
1499 TRACE("%04x count %d\n", hModule, pModule->count );
1501 if (((INT16)(--pModule->count)) > 0 ) return TRUE;
1502 else pModule->count = 0;
1504 if (pModule->flags & NE_FFLAGS_BUILTIN)
1505 return FALSE; /* Can't free built-in module */
1507 if (call_wep && !(pModule->flags & NE_FFLAGS_WIN32))
1509 /* Free the objects owned by the DLL module */
1510 NE_CallUserSignalProc( hModule, USIG16_DLL_UNLOAD );
1512 if (pModule->flags & NE_FFLAGS_LIBMODULE)
1513 MODULE_CallWEP( hModule );
1515 call_wep = FALSE; /* We are freeing a task -> no more WEPs */
1519 /* Clear magic number just in case */
1521 pModule->magic = pModule->self = 0;
1522 if (pModule->fd) CloseHandle( pModule->fd );
1524 /* Remove it from the linked list */
1526 hPrevModule = &hFirstModule;
1527 while (*hPrevModule && (*hPrevModule != hModule))
1529 hPrevModule = &(NE_GetPtr( *hPrevModule ))->next;
1531 if (*hPrevModule) *hPrevModule = pModule->next;
1533 /* Free the referenced modules */
1535 pModRef = (HMODULE16*)((char *)pModule + pModule->modref_table);
1536 for (i = 0; i < pModule->modref_count; i++, pModRef++)
1538 NE_FreeModule( *pModRef, call_wep );
1541 /* Free the module storage */
1543 GlobalFreeAll16( hModule );
1548 /**********************************************************************
1549 * FreeModule (KERNEL.46)
1551 BOOL16 WINAPI FreeModule16( HMODULE16 hModule )
1553 return NE_FreeModule( hModule, TRUE );
1557 /***********************************************************************
1558 * FreeLibrary (KERNEL.96)
1559 * FreeLibrary16 (KERNEL32.36)
1561 void WINAPI FreeLibrary16( HINSTANCE16 handle )
1563 TRACE("%04x\n", handle );
1564 FreeModule16( handle );
1568 /***********************************************************************
1569 * GetModuleHandle16 (KERNEL32.@)
1571 HMODULE16 WINAPI GetModuleHandle16( LPCSTR name )
1573 HMODULE16 hModule = hFirstModule;
1575 BYTE len, *name_table;
1576 char tmpstr[MAX_PATH];
1579 TRACE("(%s)\n", name);
1581 if (!HIWORD(name)) return GetExePtr(LOWORD(name));
1586 lstrcpynA(tmpstr, name, sizeof(tmpstr));
1588 /* If 'name' matches exactly the module name of a module:
1589 * Return its handle.
1591 for (hModule = hFirstModule; hModule ; hModule = pModule->next)
1593 pModule = NE_GetPtr( hModule );
1594 if (!pModule) break;
1595 if (pModule->flags & NE_FFLAGS_WIN32) continue;
1597 name_table = (BYTE *)pModule + pModule->name_table;
1598 if ((*name_table == len) && !strncmp(name, name_table+1, len))
1602 /* If uppercased 'name' matches exactly the module name of a module:
1605 for (s = tmpstr; *s; s++) *s = RtlUpperChar(*s);
1607 for (hModule = hFirstModule; hModule ; hModule = pModule->next)
1609 pModule = NE_GetPtr( hModule );
1610 if (!pModule) break;
1611 if (pModule->flags & NE_FFLAGS_WIN32) continue;
1613 name_table = (BYTE *)pModule + pModule->name_table;
1614 /* FIXME: the strncasecmp is WRONG. It should not be case insensitive,
1615 * but case sensitive! (Unfortunately Winword 6 and subdlls have
1616 * lowercased module names, but try to load uppercase DLLs, so this
1617 * 'i' compare is just a quickfix until the loader handles that
1618 * correctly. -MM 990705
1620 if ((*name_table == len) && !NE_strncasecmp(tmpstr, name_table+1, len))
1624 /* If the base filename of 'name' matches the base filename of the module
1625 * filename of some module (case-insensitive compare):
1626 * Return its handle.
1629 /* basename: search backwards in passed name to \ / or : */
1630 s = tmpstr + strlen(tmpstr);
1633 if (s[-1]=='/' || s[-1]=='\\' || s[-1]==':')
1638 /* search this in loaded filename list */
1639 for (hModule = hFirstModule; hModule ; hModule = pModule->next)
1644 pModule = NE_GetPtr( hModule );
1645 if (!pModule) break;
1646 if (!pModule->fileinfo) continue;
1647 if (pModule->flags & NE_FFLAGS_WIN32) continue;
1649 ofs = (OFSTRUCT*)((BYTE *)pModule + pModule->fileinfo);
1650 loadedfn = ((char*)ofs->szPathName) + strlen(ofs->szPathName);
1651 /* basename: search backwards in pathname to \ / or : */
1652 while (loadedfn > (char*)ofs->szPathName)
1654 if (loadedfn[-1]=='/' || loadedfn[-1]=='\\' || loadedfn[-1]==':')
1658 /* case insensitive compare ... */
1659 if (!NE_strcasecmp(loadedfn, s))
1666 /**********************************************************************
1667 * GetModuleName (KERNEL.27)
1669 BOOL16 WINAPI GetModuleName16( HINSTANCE16 hinst, LPSTR buf, INT16 count )
1674 if (!(pModule = NE_GetPtr( hinst ))) return FALSE;
1675 p = (BYTE *)pModule + pModule->name_table;
1676 if (count > *p) count = *p + 1;
1679 memcpy( buf, p + 1, count - 1 );
1680 buf[count-1] = '\0';
1686 /**********************************************************************
1687 * GetModuleFileName (KERNEL.49)
1689 * Comment: see GetModuleFileNameA
1691 * Even if invoked by second instance of a program,
1692 * it still returns path of first one.
1694 INT16 WINAPI GetModuleFileName16( HINSTANCE16 hModule, LPSTR lpFileName,
1699 /* Win95 does not query hModule if set to 0 !
1700 * Is this wrong or maybe Win3.1 only ? */
1701 if (!hModule) hModule = GetCurrentTask();
1703 if (!(pModule = NE_GetPtr( hModule ))) return 0;
1704 lstrcpynA( lpFileName, NE_MODULE_NAME(pModule), nSize );
1705 if (pModule->expected_version >= 0x400)
1706 GetLongPathNameA(NE_MODULE_NAME(pModule), lpFileName, nSize);
1707 TRACE("%04x -> '%s'\n", hModule, lpFileName );
1708 return strlen(lpFileName);
1712 /**********************************************************************
1713 * GetModuleUsage (KERNEL.48)
1715 INT16 WINAPI GetModuleUsage16( HINSTANCE16 hModule )
1717 NE_MODULE *pModule = NE_GetPtr( hModule );
1718 return pModule ? pModule->count : 0;
1722 /**********************************************************************
1723 * GetExpWinVer (KERNEL.167)
1725 WORD WINAPI GetExpWinVer16( HMODULE16 hModule )
1727 NE_MODULE *pModule = NE_GetPtr( hModule );
1728 if ( !pModule ) return 0;
1731 * For built-in modules, fake the expected version the module should
1732 * have according to the Windows version emulated by Wine
1734 if ( !pModule->expected_version )
1736 OSVERSIONINFOA versionInfo;
1737 versionInfo.dwOSVersionInfoSize = sizeof(versionInfo);
1739 if ( GetVersionExA( &versionInfo ) )
1740 pModule->expected_version =
1741 (versionInfo.dwMajorVersion & 0xff) << 8
1742 | (versionInfo.dwMinorVersion & 0xff);
1745 return pModule->expected_version;
1749 /***********************************************************************
1750 * WinExec (KERNEL.166)
1752 HINSTANCE16 WINAPI WinExec16( LPCSTR lpCmdLine, UINT16 nCmdShow )
1754 LPCSTR p, args = NULL;
1755 LPCSTR name_beg, name_end;
1756 LPSTR name, cmdline;
1759 char buffer[MAX_PATH];
1761 if (*lpCmdLine == '"') /* has to be only one and only at beginning ! */
1763 name_beg = lpCmdLine+1;
1764 p = strchr ( lpCmdLine+1, '"' );
1768 args = strchr ( p, ' ' );
1770 else /* yes, even valid with trailing '"' missing */
1771 name_end = lpCmdLine+strlen(lpCmdLine);
1775 name_beg = lpCmdLine;
1776 args = strchr( lpCmdLine, ' ' );
1777 name_end = args ? args : lpCmdLine+strlen(lpCmdLine);
1780 if ((name_beg == lpCmdLine) && (!args))
1781 { /* just use the original cmdline string as file name */
1782 name = (LPSTR)lpCmdLine;
1786 if (!(name = HeapAlloc( GetProcessHeap(), 0, name_end - name_beg + 1 )))
1787 return ERROR_NOT_ENOUGH_MEMORY;
1788 memcpy( name, name_beg, name_end - name_beg );
1789 name[name_end - name_beg] = '\0';
1795 arglen = strlen(args);
1796 cmdline = HeapAlloc( GetProcessHeap(), 0, 2 + arglen );
1797 cmdline[0] = (BYTE)arglen;
1798 strcpy( cmdline + 1, args );
1802 cmdline = HeapAlloc( GetProcessHeap(), 0, 2 );
1803 cmdline[0] = cmdline[1] = 0;
1806 TRACE("name: '%s', cmdline: '%.*s'\n", name, cmdline[0], &cmdline[1]);
1808 if (SearchPathA( NULL, name, ".exe", sizeof(buffer), buffer, NULL ))
1810 LOADPARAMS16 params;
1813 showCmd[1] = nCmdShow;
1815 params.hEnvironment = 0;
1816 params.cmdLine = MapLS( cmdline );
1817 params.showCmd = MapLS( showCmd );
1818 params.reserved = 0;
1820 ret = LoadModule16( buffer, ¶ms );
1821 UnMapLS( params.cmdLine );
1822 UnMapLS( params.showCmd );
1824 else ret = GetLastError();
1826 HeapFree( GetProcessHeap(), 0, cmdline );
1827 if (name != lpCmdLine) HeapFree( GetProcessHeap(), 0, name );
1829 if (ret == 21 || ret == ERROR_BAD_FORMAT) /* 32-bit module or unknown executable*/
1832 ReleaseThunkLock( &count );
1833 ret = LOWORD( WinExec( lpCmdLine, nCmdShow ) );
1834 RestoreThunkLock( count );
1839 /***********************************************************************
1840 * GetProcAddress (KERNEL.50)
1842 FARPROC16 WINAPI GetProcAddress16( HMODULE16 hModule, LPCSTR name )
1847 if (!hModule) hModule = GetCurrentTask();
1848 hModule = GetExePtr( hModule );
1850 if (HIWORD(name) != 0)
1852 ordinal = NE_GetOrdinal( hModule, name );
1853 TRACE("%04x '%s'\n", hModule, name );
1857 ordinal = LOWORD(name);
1858 TRACE("%04x %04x\n", hModule, ordinal );
1860 if (!ordinal) return (FARPROC16)0;
1862 ret = NE_GetEntryPoint( hModule, ordinal );
1864 TRACE("returning %08x\n", (UINT)ret );
1869 /***************************************************************************
1870 * HasGPHandler (KERNEL.338)
1872 SEGPTR WINAPI HasGPHandler16( SEGPTR address )
1877 GPHANDLERDEF *gpHandler;
1879 if ( (hModule = FarGetOwner16( SELECTOROF(address) )) != 0
1880 && (gpOrdinal = NE_GetOrdinal( hModule, "__GP" )) != 0
1881 && (gpPtr = (SEGPTR)NE_GetEntryPointEx( hModule, gpOrdinal, FALSE )) != 0
1882 && !IsBadReadPtr16( gpPtr, sizeof(GPHANDLERDEF) )
1883 && (gpHandler = MapSL( gpPtr )) != NULL )
1885 while (gpHandler->selector)
1887 if ( SELECTOROF(address) == gpHandler->selector
1888 && OFFSETOF(address) >= gpHandler->rangeStart
1889 && OFFSETOF(address) < gpHandler->rangeEnd )
1890 return MAKESEGPTR( gpHandler->selector, gpHandler->handler );
1899 /**********************************************************************
1900 * GetModuleHandle (KERNEL.47)
1902 * Find a module from a module name.
1904 * NOTE: The current implementation works the same way the Windows 95 one
1905 * does. Do not try to 'fix' it, fix the callers.
1906 * + It does not do ANY extension handling (except that strange .EXE bit)!
1907 * + It does not care about paths, just about basenames. (same as Windows)
1911 * the win16 module handle if found
1913 * HIWORD (undocumented, see "Undocumented Windows", chapter 5):
1914 * Always hFirstModule
1916 DWORD WINAPI WIN16_GetModuleHandle( SEGPTR name )
1918 if (HIWORD(name) == 0)
1919 return MAKELONG(GetExePtr( (HINSTANCE16)name), hFirstModule );
1920 return MAKELONG(GetModuleHandle16( MapSL(name)), hFirstModule );
1923 /**********************************************************************
1924 * NE_GetModuleByFilename
1926 static HMODULE16 NE_GetModuleByFilename( LPCSTR name )
1930 BYTE len, *name_table;
1931 char tmpstr[MAX_PATH];
1934 lstrcpynA(tmpstr, name, sizeof(tmpstr));
1936 /* If the base filename of 'name' matches the base filename of the module
1937 * filename of some module (case-insensitive compare):
1938 * Return its handle.
1941 /* basename: search backwards in passed name to \ / or : */
1942 s = tmpstr + strlen(tmpstr);
1945 if (s[-1]=='/' || s[-1]=='\\' || s[-1]==':')
1950 /* search this in loaded filename list */
1951 for (hModule = hFirstModule; hModule ; hModule = pModule->next)
1956 pModule = NE_GetPtr( hModule );
1957 if (!pModule) break;
1958 if (!pModule->fileinfo) continue;
1959 if (pModule->flags & NE_FFLAGS_WIN32) continue;
1961 ofs = (OFSTRUCT*)((BYTE *)pModule + pModule->fileinfo);
1962 loadedfn = ((char*)ofs->szPathName) + strlen(ofs->szPathName);
1963 /* basename: search backwards in pathname to \ / or : */
1964 while (loadedfn > (char*)ofs->szPathName)
1966 if (loadedfn[-1]=='/' || loadedfn[-1]=='\\' || loadedfn[-1]==':')
1970 /* case insensitive compare ... */
1971 if (!NE_strcasecmp(loadedfn, s))
1974 /* If basename (without ext) matches the module name of a module:
1975 * Return its handle.
1978 if ( (p = strrchr( s, '.' )) != NULL ) *p = '\0';
1981 for (hModule = hFirstModule; hModule ; hModule = pModule->next)
1983 pModule = NE_GetPtr( hModule );
1984 if (!pModule) break;
1985 if (pModule->flags & NE_FFLAGS_WIN32) continue;
1987 name_table = (BYTE *)pModule + pModule->name_table;
1988 if ((*name_table == len) && !NE_strncasecmp(s, name_table+1, len))
1995 /***********************************************************************
1996 * GetProcAddress16 (KERNEL32.37)
1997 * Get procaddress in 16bit module from win32... (kernel32 undoc. ordinal func)
1999 FARPROC16 WINAPI WIN32_GetProcAddress16( HMODULE hModule, LPCSTR name )
2001 if (!hModule) return 0;
2002 if (HIWORD(hModule))
2004 WARN("hModule is Win32 handle (%p)\n", hModule );
2007 return GetProcAddress16( LOWORD(hModule), name );
2010 /**********************************************************************
2011 * ModuleFirst (TOOLHELP.59)
2013 BOOL16 WINAPI ModuleFirst16( MODULEENTRY *lpme )
2015 lpme->wNext = hFirstModule;
2016 return ModuleNext16( lpme );
2020 /**********************************************************************
2021 * ModuleNext (TOOLHELP.60)
2023 BOOL16 WINAPI ModuleNext16( MODULEENTRY *lpme )
2028 if (!lpme->wNext) return FALSE;
2029 if (!(pModule = NE_GetPtr( lpme->wNext ))) return FALSE;
2030 name = (char *)pModule + pModule->name_table;
2031 memcpy( lpme->szModule, name + 1, min(*name, MAX_MODULE_NAME) );
2032 lpme->szModule[min(*name, MAX_MODULE_NAME)] = '\0';
2033 lpme->hModule = lpme->wNext;
2034 lpme->wcUsage = pModule->count;
2035 lstrcpynA( lpme->szExePath, NE_MODULE_NAME(pModule), sizeof(lpme->szExePath) );
2036 lpme->wNext = pModule->next;
2041 /**********************************************************************
2042 * ModuleFindName (TOOLHELP.61)
2044 BOOL16 WINAPI ModuleFindName16( MODULEENTRY *lpme, LPCSTR name )
2046 lpme->wNext = GetModuleHandle16( name );
2047 return ModuleNext16( lpme );
2051 /**********************************************************************
2052 * ModuleFindHandle (TOOLHELP.62)
2054 BOOL16 WINAPI ModuleFindHandle16( MODULEENTRY *lpme, HMODULE16 hModule )
2056 hModule = GetExePtr( hModule );
2057 lpme->wNext = hModule;
2058 return ModuleNext16( lpme );
2062 /***************************************************************************
2063 * IsRomModule (KERNEL.323)
2065 BOOL16 WINAPI IsRomModule16( HMODULE16 unused )
2070 /***************************************************************************
2071 * IsRomFile (KERNEL.326)
2073 BOOL16 WINAPI IsRomFile16( HFILE16 unused )
2078 /***********************************************************************
2079 * create_dummy_module
2081 * Create a dummy NE module for Win32 or Winelib.
2083 static HMODULE16 create_dummy_module( HMODULE module32 )
2087 SEGTABLEENTRY *pSegment;
2090 const char* basename;
2093 char filename[MAX_PATH];
2094 IMAGE_NT_HEADERS *nt = RtlImageNtHeader( module32 );
2096 if (!nt) return ERROR_BAD_FORMAT;
2098 /* Extract base filename */
2099 len = GetModuleFileNameA( module32, filename, sizeof(filename) );
2100 if (!len || len >= sizeof(filename)) return ERROR_BAD_FORMAT;
2101 basename = strrchr(filename, '\\');
2102 if (!basename) basename = filename;
2104 len = strlen(basename);
2105 if ((s = strchr(basename, '.'))) len = s - basename;
2107 /* Allocate module */
2108 of_size = sizeof(OFSTRUCT) - sizeof(ofs->szPathName)
2109 + strlen(filename) + 1;
2110 size = sizeof(NE_MODULE) +
2111 /* loaded file info */
2112 ((of_size + 3) & ~3) +
2113 /* segment table: DS,CS */
2114 2 * sizeof(SEGTABLEENTRY) +
2117 /* several empty tables */
2120 hModule = GlobalAlloc16( GMEM_MOVEABLE | GMEM_ZEROINIT, size );
2121 if (!hModule) return ERROR_BAD_FORMAT;
2123 FarSetOwner16( hModule, hModule );
2124 pModule = (NE_MODULE *)GlobalLock16( hModule );
2126 /* Set all used entries */
2127 pModule->magic = IMAGE_OS2_SIGNATURE;
2130 pModule->flags = NE_FFLAGS_WIN32;
2131 pModule->dgroup = 0;
2134 pModule->heap_size = 0;
2135 pModule->stack_size = 0;
2136 pModule->seg_count = 2;
2137 pModule->modref_count = 0;
2138 pModule->nrname_size = 0;
2139 pModule->fileinfo = sizeof(NE_MODULE);
2140 pModule->os_flags = NE_OSFLAGS_WINDOWS;
2141 pModule->self = hModule;
2142 pModule->module32 = module32;
2144 /* Set version and flags */
2145 pModule->expected_version = ((nt->OptionalHeader.MajorSubsystemVersion & 0xff) << 8 ) |
2146 (nt->OptionalHeader.MinorSubsystemVersion & 0xff);
2147 if (nt->FileHeader.Characteristics & IMAGE_FILE_DLL)
2148 pModule->flags |= NE_FFLAGS_LIBMODULE | NE_FFLAGS_SINGLEDATA;
2150 /* Set loaded file information */
2151 ofs = (OFSTRUCT *)(pModule + 1);
2152 memset( ofs, 0, of_size );
2153 ofs->cBytes = of_size < 256 ? of_size : 255; /* FIXME */
2154 strcpy( ofs->szPathName, filename );
2156 pSegment = (SEGTABLEENTRY*)((char*)(pModule + 1) + ((of_size + 3) & ~3));
2157 pModule->seg_table = (int)pSegment - (int)pModule;
2160 pSegment->flags = NE_SEGFLAGS_DATA;
2161 pSegment->minsize = 0x1000;
2164 pSegment->flags = 0;
2168 pStr = (char *)pSegment;
2169 pModule->name_table = (int)pStr - (int)pModule;
2172 lstrcpynA( pStr+1, basename, len+1 );
2175 /* All tables zero terminated */
2176 pModule->res_table = pModule->import_table = pModule->entry_table = (int)pStr - (int)pModule;
2178 NE_RegisterModule( pModule );
2179 LoadLibraryA( filename ); /* increment the ref count of the 32-bit module */
2183 /***********************************************************************
2184 * PrivateLoadLibrary (KERNEL32.@)
2186 * FIXME: rough guesswork, don't know what "Private" means
2188 HINSTANCE16 WINAPI PrivateLoadLibrary(LPCSTR libname)
2190 return LoadLibrary16(libname);
2193 /***********************************************************************
2194 * PrivateFreeLibrary (KERNEL32.@)
2196 * FIXME: rough guesswork, don't know what "Private" means
2198 void WINAPI PrivateFreeLibrary(HINSTANCE16 handle)
2200 FreeLibrary16(handle);
2203 /***********************************************************************
2204 * LoadLibrary32 (KERNEL.452)
2205 * LoadSystemLibrary32 (KERNEL.482)
2207 HMODULE WINAPI LoadLibrary32_16( LPCSTR libname )
2212 ReleaseThunkLock( &count );
2213 hModule = LoadLibraryA( libname );
2214 RestoreThunkLock( count );
2218 /***************************************************************************
2219 * MapHModuleLS (KERNEL32.@)
2221 HMODULE16 WINAPI MapHModuleLS(HMODULE hmod)
2227 return TASK_GetCurrent()->hInstance;
2229 return LOWORD(hmod); /* we already have a 16 bit module handle */
2230 pModule = (NE_MODULE*)GlobalLock16(hFirstModule);
2232 if (pModule->module32 == hmod)
2233 return pModule->self;
2234 pModule = (NE_MODULE*)GlobalLock16(pModule->next);
2236 if ((ret = create_dummy_module( hmod )) < 32)
2244 /***************************************************************************
2245 * MapHModuleSL (KERNEL32.@)
2247 HMODULE WINAPI MapHModuleSL(HMODULE16 hmod)
2252 TDB *pTask = TASK_GetCurrent();
2253 hmod = pTask->hModule;
2255 pModule = (NE_MODULE*)GlobalLock16(hmod);
2256 if ((pModule->magic!=IMAGE_OS2_SIGNATURE) || !(pModule->flags & NE_FFLAGS_WIN32))
2258 return pModule->module32;
2261 /***************************************************************************
2262 * MapHInstLS (KERNEL32.@)
2263 * MapHInstLS (KERNEL.472)
2265 void WINAPI __regs_MapHInstLS( CONTEXT86 *context )
2267 context->Eax = MapHModuleLS( (HMODULE)context->Eax );
2269 #ifdef DEFINE_REGS_ENTRYPOINT
2270 DEFINE_REGS_ENTRYPOINT( MapHInstLS, 0, 0 );
2273 /***************************************************************************
2274 * MapHInstSL (KERNEL32.@)
2275 * MapHInstSL (KERNEL.473)
2277 void WINAPI __regs_MapHInstSL( CONTEXT86 *context )
2279 context->Eax = (DWORD)MapHModuleSL( context->Eax );
2281 #ifdef DEFINE_REGS_ENTRYPOINT
2282 DEFINE_REGS_ENTRYPOINT( MapHInstSL, 0, 0 );
2285 /***************************************************************************
2286 * MapHInstLS_PN (KERNEL32.@)
2288 void WINAPI __regs_MapHInstLS_PN( CONTEXT86 *context )
2290 if (context->Eax) context->Eax = MapHModuleLS( (HMODULE)context->Eax );
2292 #ifdef DEFINE_REGS_ENTRYPOINT
2293 DEFINE_REGS_ENTRYPOINT( MapHInstLS_PN, 0, 0 );
2296 /***************************************************************************
2297 * MapHInstSL_PN (KERNEL32.@)
2299 void WINAPI __regs_MapHInstSL_PN( CONTEXT86 *context )
2301 if (context->Eax) context->Eax = (DWORD)MapHModuleSL( context->Eax );
2303 #ifdef DEFINE_REGS_ENTRYPOINT
2304 DEFINE_REGS_ENTRYPOINT( MapHInstSL_PN, 0, 0 );