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"
35 #include "wine/winbase16.h"
36 #include "wine/library.h"
43 #include "builtin16.h"
44 #include "stackframe.h"
45 #include "msvcrt/excpt.h"
46 #include "wine/exception.h"
47 #include "wine/debug.h"
49 WINE_DEFAULT_DEBUG_CHANNEL(module);
50 WINE_DECLARE_DEBUG_CHANNEL(loaddll);
55 struct ne_segment_table_entry_s
57 WORD seg_data_offset; /* Sector offset of segment data */
58 WORD seg_data_length; /* Length of segment data */
59 WORD seg_flags; /* Flags associated with this segment */
60 WORD min_alloc; /* Minimum allocation size for this */
63 #define hFirstModule (pThhook->hExeHead)
65 static NE_MODULE *pCachedModule = 0; /* Module cached by NE_OpenFile */
67 static HINSTANCE16 NE_LoadModule( LPCSTR name, BOOL lib_only );
68 static BOOL16 NE_FreeModule( HMODULE16 hModule, BOOL call_wep );
70 static HINSTANCE16 MODULE_LoadModule16( LPCSTR libname, BOOL implicit, BOOL lib_only );
72 static HMODULE16 NE_GetModuleByFilename( LPCSTR name );
74 /* ### start build ### */
75 extern WORD CALLBACK NE_CallTo16_word_w(FARPROC16,WORD);
76 /* ### stop build ### */
79 static WINE_EXCEPTION_FILTER(page_fault)
81 if (GetExceptionCode() == EXCEPTION_ACCESS_VIOLATION ||
82 GetExceptionCode() == EXCEPTION_PRIV_INSTRUCTION)
83 return EXCEPTION_EXECUTE_HANDLER;
84 return EXCEPTION_CONTINUE_SEARCH;
88 /***********************************************************************
91 NE_MODULE *NE_GetPtr( HMODULE16 hModule )
93 return (NE_MODULE *)GlobalLock16( GetExePtr(hModule) );
97 /***********************************************************************
100 void NE_DumpModule( HMODULE16 hModule )
110 if (!(pModule = NE_GetPtr( hModule )))
112 MESSAGE( "**** %04x is not a module handle\n", hModule );
116 /* Dump the module info */
118 DPRINTF( "Module %04x:\n", hModule );
119 DPRINTF( "count=%d flags=%04x heap=%d stack=%d\n",
120 pModule->count, pModule->flags,
121 pModule->heap_size, pModule->stack_size );
122 DPRINTF( "cs:ip=%04x:%04x ss:sp=%04x:%04x ds=%04x nb seg=%d modrefs=%d\n",
123 pModule->cs, pModule->ip, pModule->ss, pModule->sp, pModule->dgroup,
124 pModule->seg_count, pModule->modref_count );
125 DPRINTF( "os_flags=%d swap_area=%d version=%04x\n",
126 pModule->os_flags, pModule->min_swap_area,
127 pModule->expected_version );
128 if (pModule->flags & NE_FFLAGS_WIN32)
129 DPRINTF( "PE module=%08x\n", pModule->module32 );
131 /* Dump the file info */
133 DPRINTF( "Filename: '%s'\n", NE_MODULE_NAME(pModule) );
135 /* Dump the segment table */
137 DPRINTF( "Segment table:\n" );
138 pSeg = NE_SEG_TABLE( pModule );
139 for (i = 0; i < pModule->seg_count; i++, pSeg++)
140 DPRINTF( "%02x: pos=%d size=%d flags=%04x minsize=%d hSeg=%04x\n",
141 i + 1, pSeg->filepos, pSeg->size, pSeg->flags,
142 pSeg->minsize, pSeg->hSeg );
144 /* Dump the resource table */
146 DPRINTF( "Resource table:\n" );
147 if (pModule->res_table)
149 pword = (WORD *)((BYTE *)pModule + pModule->res_table);
150 DPRINTF( "Alignment: %d\n", *pword++ );
153 NE_TYPEINFO *ptr = (NE_TYPEINFO *)pword;
154 NE_NAMEINFO *pname = (NE_NAMEINFO *)(ptr + 1);
155 DPRINTF( "id=%04x count=%d\n", ptr->type_id, ptr->count );
156 for (i = 0; i < ptr->count; i++, pname++)
157 DPRINTF( "offset=%d len=%d id=%04x\n",
158 pname->offset, pname->length, pname->id );
159 pword = (WORD *)pname;
162 else DPRINTF( "None\n" );
164 /* Dump the resident name table */
166 DPRINTF( "Resident-name table:\n" );
167 pstr = (char *)pModule + pModule->name_table;
170 DPRINTF( "%*.*s: %d\n", *pstr, *pstr, pstr + 1,
171 *(WORD *)(pstr + *pstr + 1) );
172 pstr += *pstr + 1 + sizeof(WORD);
175 /* Dump the module reference table */
177 DPRINTF( "Module ref table:\n" );
178 if (pModule->modref_table)
180 pword = (WORD *)((BYTE *)pModule + pModule->modref_table);
181 for (i = 0; i < pModule->modref_count; i++, pword++)
184 GetModuleName16( *pword, name, sizeof(name) );
185 DPRINTF( "%d: %04x -> '%s'\n", i, *pword, name );
188 else DPRINTF( "None\n" );
190 /* Dump the entry table */
192 DPRINTF( "Entry table:\n" );
193 bundle = (ET_BUNDLE *)((BYTE *)pModule+pModule->entry_table);
195 entry = (ET_ENTRY *)((BYTE *)bundle+6);
196 DPRINTF( "Bundle %d-%d: %02x\n", bundle->first, bundle->last, entry->type);
197 ordinal = bundle->first;
198 while (ordinal < bundle->last)
200 if (entry->type == 0xff)
201 DPRINTF("%d: %02x:%04x (moveable)\n", ordinal++, entry->segnum, entry->offs);
203 DPRINTF("%d: %02x:%04x (fixed)\n", ordinal++, entry->segnum, entry->offs);
206 } while ( (bundle->next)
207 && (bundle = ((ET_BUNDLE *)((BYTE *)pModule + bundle->next))) );
209 /* Dump the non-resident names table */
211 DPRINTF( "Non-resident names table:\n" );
212 if (pModule->nrname_handle)
214 pstr = (char *)GlobalLock16( pModule->nrname_handle );
217 DPRINTF( "%*.*s: %d\n", *pstr, *pstr, pstr + 1,
218 *(WORD *)(pstr + *pstr + 1) );
219 pstr += *pstr + 1 + sizeof(WORD);
226 /***********************************************************************
229 * Walk the module list and print the modules.
231 void NE_WalkModules(void)
233 HMODULE16 hModule = hFirstModule;
234 MESSAGE( "Module Flags Name\n" );
237 NE_MODULE *pModule = NE_GetPtr( hModule );
240 MESSAGE( "Bad module %04x in list\n", hModule );
243 MESSAGE( " %04x %04x %.*s\n", hModule, pModule->flags,
244 *((char *)pModule + pModule->name_table),
245 (char *)pModule + pModule->name_table + 1 );
246 hModule = pModule->next;
251 /**********************************************************************
254 void NE_RegisterModule( NE_MODULE *pModule )
256 pModule->next = hFirstModule;
257 hFirstModule = pModule->self;
261 /***********************************************************************
264 * Lookup the ordinal for a given name.
266 WORD NE_GetOrdinal( HMODULE16 hModule, const char *name )
268 unsigned char buffer[256], *cpnt;
272 if (!(pModule = NE_GetPtr( hModule ))) return 0;
273 assert( !(pModule->flags & NE_FFLAGS_WIN32) );
275 TRACE("(%04x,'%s')\n", hModule, name );
277 /* First handle names of the form '#xxxx' */
279 if (name[0] == '#') return atoi( name + 1 );
281 /* Now copy and uppercase the string */
283 strcpy( buffer, name );
284 for (cpnt = buffer; *cpnt; cpnt++) *cpnt = FILE_toupper(*cpnt);
287 /* First search the resident names */
289 cpnt = (char *)pModule + pModule->name_table;
291 /* Skip the first entry (module name) */
292 cpnt += *cpnt + 1 + sizeof(WORD);
295 if (((BYTE)*cpnt == len) && !memcmp( cpnt+1, buffer, len ))
298 memcpy( &ordinal, cpnt + *cpnt + 1, sizeof(ordinal) );
299 TRACE(" Found: ordinal=%d\n", ordinal );
302 cpnt += *cpnt + 1 + sizeof(WORD);
305 /* Now search the non-resident names table */
307 if (!pModule->nrname_handle) return 0; /* No non-resident table */
308 cpnt = (char *)GlobalLock16( pModule->nrname_handle );
310 /* Skip the first entry (module description string) */
311 cpnt += *cpnt + 1 + sizeof(WORD);
314 if (((BYTE)*cpnt == len) && !memcmp( cpnt+1, buffer, len ))
317 memcpy( &ordinal, cpnt + *cpnt + 1, sizeof(ordinal) );
318 TRACE(" Found: ordinal=%d\n", ordinal );
321 cpnt += *cpnt + 1 + sizeof(WORD);
327 /***********************************************************************
328 * EntryAddrProc (KERNEL.667) Wine-specific export
330 * Return the entry point for a given ordinal.
332 FARPROC16 WINAPI EntryAddrProc16( HMODULE16 hModule, WORD ordinal )
334 FARPROC16 ret = NE_GetEntryPointEx( hModule, ordinal, TRUE );
335 CURRENT_STACK16->ecx = hModule; /* FIXME: might be incorrect value */
339 /***********************************************************************
342 FARPROC16 WINAPI NE_GetEntryPoint( HMODULE16 hModule, WORD ordinal )
344 return NE_GetEntryPointEx( hModule, ordinal, TRUE );
347 /***********************************************************************
350 FARPROC16 NE_GetEntryPointEx( HMODULE16 hModule, WORD ordinal, BOOL16 snoop )
358 if (!(pModule = NE_GetPtr( hModule ))) return 0;
359 assert( !(pModule->flags & NE_FFLAGS_WIN32) );
361 bundle = (ET_BUNDLE *)((BYTE *)pModule + pModule->entry_table);
362 while ((ordinal < bundle->first + 1) || (ordinal > bundle->last))
366 bundle = (ET_BUNDLE *)((BYTE *)pModule + bundle->next);
369 entry = (ET_ENTRY *)((BYTE *)bundle+6);
370 for (i=0; i < (ordinal - bundle->first - 1); i++)
374 memcpy( &offset, &entry->offs, sizeof(WORD) );
376 if (sel == 0xfe) sel = 0xffff; /* constant entry */
377 else sel = GlobalHandleToSel16(NE_SEG_TABLE(pModule)[sel-1].hSeg);
379 return (FARPROC16)MAKESEGPTR( sel, offset );
381 return (FARPROC16)MAKESEGPTR( sel, offset );
383 return (FARPROC16)SNOOP16_GetProcAddress16(hModule,ordinal,(FARPROC16)MAKESEGPTR( sel, offset ));
387 /***********************************************************************
390 * Change the value of an entry point. Use with caution!
391 * It can only change the offset value, not the selector.
393 BOOL16 NE_SetEntryPoint( HMODULE16 hModule, WORD ordinal, WORD offset )
400 if (!(pModule = NE_GetPtr( hModule ))) return FALSE;
401 assert( !(pModule->flags & NE_FFLAGS_WIN32) );
403 bundle = (ET_BUNDLE *)((BYTE *)pModule + pModule->entry_table);
404 while ((ordinal < bundle->first + 1) || (ordinal > bundle->last))
406 bundle = (ET_BUNDLE *)((BYTE *)pModule + bundle->next);
411 entry = (ET_ENTRY *)((BYTE *)bundle+6);
412 for (i=0; i < (ordinal - bundle->first - 1); i++)
415 memcpy( &entry->offs, &offset, sizeof(WORD) );
420 /***********************************************************************
423 HANDLE NE_OpenFile( NE_MODULE *pModule )
428 TRACE("(%p)\n", pModule );
429 /* mjm - removed module caching because it keeps open file handles
430 thus preventing CDROMs from being ejected */
431 name = NE_MODULE_NAME( pModule );
432 if ((handle = CreateFileA( name, GENERIC_READ, FILE_SHARE_READ,
433 NULL, OPEN_EXISTING, 0, 0 )) == INVALID_HANDLE_VALUE)
434 MESSAGE( "Can't open file '%s' for module %04x\n", name, pModule->self );
435 TRACE("opened '%s' -> %d\n", name, handle);
440 /***********************************************************************
443 static HMODULE16 NE_LoadExeHeader( HANDLE hFile, LPCSTR path )
445 IMAGE_DOS_HEADER mz_header;
446 IMAGE_OS2_HEADER ne_header;
450 BYTE *pData, *pTempEntryTable;
451 char *buffer, *fastload = NULL;
452 int fastload_offset = 0, fastload_length = 0;
454 ET_BUNDLE *bundle, *oldbundle;
457 /* Read a block from either the file or the fast-load area. */
458 #define READ(offset,size,buffer) \
459 ((fastload && ((offset) >= fastload_offset) && \
460 ((offset)+(size) <= fastload_offset+fastload_length)) ? \
461 (memcpy( buffer, fastload+(offset)-fastload_offset, (size) ), TRUE) : \
462 (_llseek( hFile, (offset), SEEK_SET), \
463 _lread( hFile, (buffer), (size) ) == (size)))
465 _llseek( hFile, 0, SEEK_SET );
466 if ((_lread(hFile,&mz_header,sizeof(mz_header)) != sizeof(mz_header)) ||
467 (mz_header.e_magic != IMAGE_DOS_SIGNATURE))
468 return (HMODULE16)11; /* invalid exe */
470 _llseek( hFile, mz_header.e_lfanew, SEEK_SET );
471 if (_lread( hFile, &ne_header, sizeof(ne_header) ) != sizeof(ne_header))
472 return (HMODULE16)11; /* invalid exe */
474 if (ne_header.ne_magic == IMAGE_NT_SIGNATURE) return (HMODULE16)21; /* win32 exe */
475 if (ne_header.ne_magic == IMAGE_OS2_SIGNATURE_LX) {
476 MESSAGE("Sorry, this is an OS/2 linear executable (LX) file !\n");
477 return (HMODULE16)12;
479 if (ne_header.ne_magic != IMAGE_OS2_SIGNATURE) return (HMODULE16)11; /* invalid exe */
481 /* We now have a valid NE header */
483 size = sizeof(NE_MODULE) +
485 ne_header.ne_cseg * sizeof(SEGTABLEENTRY) +
487 ne_header.ne_restab - ne_header.ne_rsrctab +
488 /* resident names table */
489 ne_header.ne_modtab - ne_header.ne_restab +
490 /* module ref table */
491 ne_header.ne_cmod * sizeof(WORD) +
492 /* imported names table */
493 ne_header.ne_enttab - ne_header.ne_imptab +
494 /* entry table length */
495 ne_header.ne_cbenttab +
496 /* entry table extra conversion space */
498 2 * (ne_header.ne_cbenttab - ne_header.ne_cmovent*6) +
499 /* loaded file info */
500 sizeof(OFSTRUCT) - sizeof(ofs->szPathName) + strlen(path) + 1;
502 hModule = GlobalAlloc16( GMEM_FIXED | GMEM_ZEROINIT, size );
503 if (!hModule) return (HMODULE16)11; /* invalid exe */
505 FarSetOwner16( hModule, hModule );
506 pModule = (NE_MODULE *)GlobalLock16( hModule );
507 memcpy( pModule, &ne_header, sizeof(ne_header) );
509 /* check *programs* for default minimal stack size */
510 if ( (!(pModule->flags & NE_FFLAGS_LIBMODULE))
511 && (pModule->stack_size < 0x1400) )
512 pModule->stack_size = 0x1400;
513 pModule->module32 = 0;
514 pModule->self = hModule;
515 pModule->self_loading_sel = 0;
516 pData = (BYTE *)(pModule + 1);
518 /* Clear internal Wine flags in case they are set in the EXE file */
520 pModule->flags &= ~(NE_FFLAGS_BUILTIN | NE_FFLAGS_WIN32);
522 /* Read the fast-load area */
524 if (ne_header.ne_flagsothers & NE_AFLAGS_FASTLOAD)
526 fastload_offset=ne_header.fastload_offset << ne_header.ne_align;
527 fastload_length=ne_header.fastload_length << ne_header.ne_align;
528 TRACE("Using fast-load area offset=%x len=%d\n",
529 fastload_offset, fastload_length );
530 if ((fastload = HeapAlloc( GetProcessHeap(), 0, fastload_length )) != NULL)
532 _llseek( hFile, fastload_offset, SEEK_SET);
533 if (_lread(hFile, fastload, fastload_length) != fastload_length)
535 HeapFree( GetProcessHeap(), 0, fastload );
536 WARN("Error reading fast-load area!\n");
542 /* Get the segment table */
544 pModule->seg_table = pData - (BYTE *)pModule;
545 buffer = HeapAlloc( GetProcessHeap(), 0, ne_header.ne_cseg *
546 sizeof(struct ne_segment_table_entry_s));
550 struct ne_segment_table_entry_s *pSeg;
552 if (!READ( mz_header.e_lfanew + ne_header.ne_segtab,
553 ne_header.ne_cseg * sizeof(struct ne_segment_table_entry_s),
556 HeapFree( GetProcessHeap(), 0, buffer );
558 HeapFree( GetProcessHeap(), 0, fastload );
559 GlobalFree16( hModule );
560 return (HMODULE16)11; /* invalid exe */
562 pSeg = (struct ne_segment_table_entry_s *)buffer;
563 for (i = ne_header.ne_cseg; i > 0; i--, pSeg++)
565 memcpy( pData, pSeg, sizeof(*pSeg) );
566 pData += sizeof(SEGTABLEENTRY);
568 HeapFree( GetProcessHeap(), 0, buffer );
573 HeapFree( GetProcessHeap(), 0, fastload );
574 GlobalFree16( hModule );
575 return (HMODULE16)11; /* invalid exe */
578 /* Get the resource table */
580 if (ne_header.ne_rsrctab < ne_header.ne_restab)
582 pModule->res_table = pData - (BYTE *)pModule;
583 if (!READ(mz_header.e_lfanew + ne_header.ne_rsrctab,
584 ne_header.ne_restab - ne_header.ne_rsrctab,
586 return (HMODULE16)11; /* invalid exe */
587 pData += ne_header.ne_restab - ne_header.ne_rsrctab;
588 NE_InitResourceHandler( hModule );
590 else pModule->res_table = 0; /* No resource table */
592 /* Get the resident names table */
594 pModule->name_table = pData - (BYTE *)pModule;
595 if (!READ( mz_header.e_lfanew + ne_header.ne_restab,
596 ne_header.ne_modtab - ne_header.ne_restab,
600 HeapFree( GetProcessHeap(), 0, fastload );
601 GlobalFree16( hModule );
602 return (HMODULE16)11; /* invalid exe */
604 pData += ne_header.ne_modtab - ne_header.ne_restab;
606 /* Get the module references table */
608 if (ne_header.ne_cmod > 0)
610 pModule->modref_table = pData - (BYTE *)pModule;
611 if (!READ( mz_header.e_lfanew + ne_header.ne_modtab,
612 ne_header.ne_cmod * sizeof(WORD),
616 HeapFree( GetProcessHeap(), 0, fastload );
617 GlobalFree16( hModule );
618 return (HMODULE16)11; /* invalid exe */
620 pData += ne_header.ne_cmod * sizeof(WORD);
622 else pModule->modref_table = 0; /* No module references */
624 /* Get the imported names table */
626 pModule->import_table = pData - (BYTE *)pModule;
627 if (!READ( mz_header.e_lfanew + ne_header.ne_imptab,
628 ne_header.ne_enttab - ne_header.ne_imptab,
632 HeapFree( GetProcessHeap(), 0, fastload );
633 GlobalFree16( hModule );
634 return (HMODULE16)11; /* invalid exe */
636 pData += ne_header.ne_enttab - ne_header.ne_imptab;
638 /* Load entry table, convert it to the optimized version used by Windows */
640 if ((pTempEntryTable = HeapAlloc( GetProcessHeap(), 0, ne_header.ne_cbenttab)) != NULL)
642 BYTE nr_entries, type, *s;
644 TRACE("Converting entry table.\n");
645 pModule->entry_table = pData - (BYTE *)pModule;
646 if (!READ( mz_header.e_lfanew + ne_header.ne_enttab,
647 ne_header.ne_cbenttab, pTempEntryTable ))
649 HeapFree( GetProcessHeap(), 0, pTempEntryTable );
651 HeapFree( GetProcessHeap(), 0, fastload );
652 GlobalFree16( hModule );
653 return (HMODULE16)11; /* invalid exe */
657 TRACE("entry table: offs %04x, len %04x, entries %d\n", ne_header.ne_enttab, ne_header.ne_cbenttab, *s);
659 bundle = (ET_BUNDLE *)pData;
660 TRACE("first bundle: %p\n", bundle);
661 memset(bundle, 0, sizeof(ET_BUNDLE)); /* in case no entry table exists */
662 entry = (ET_ENTRY *)((BYTE *)bundle+6);
664 while ((nr_entries = *s++))
668 bundle->last += nr_entries;
675 entry->segnum = *s++;
676 entry->offs = *(WORD *)s; s += 2;
677 /*TRACE(module, "entry: %p, type: %d, flags: %d, segnum: %d, offs: %04x\n", entry, entry->type, entry->flags, entry->segnum, entry->offs);*/
685 entry->segnum = type;
686 entry->offs = *(WORD *)s; s += 2;
687 /*TRACE(module, "entry: %p, type: %d, flags: %d, segnum: %d, offs: %04x\n", entry, entry->type, entry->flags, entry->segnum, entry->offs);*/
693 if (bundle->first == bundle->last)
695 bundle->first += nr_entries;
696 bundle->last += nr_entries;
701 oldbundle->next = ((int)entry - (int)pModule);
702 bundle = (ET_BUNDLE *)entry;
703 TRACE("new bundle: %p\n", bundle);
704 bundle->first = bundle->last =
705 oldbundle->last + nr_entries;
707 (BYTE *)entry += sizeof(ET_BUNDLE);
711 HeapFree( GetProcessHeap(), 0, pTempEntryTable );
716 HeapFree( GetProcessHeap(), 0, fastload );
717 GlobalFree16( hModule );
718 return (HMODULE16)11; /* invalid exe */
721 pData += ne_header.ne_cbenttab + sizeof(ET_BUNDLE) +
722 2 * (ne_header.ne_cbenttab - ne_header.ne_cmovent*6);
724 if ((DWORD)entry > (DWORD)pData)
725 ERR("converted entry table bigger than reserved space !!!\nentry: %p, pData: %p. Please report !\n", entry, pData);
727 /* Store the filename information */
729 pModule->fileinfo = pData - (BYTE *)pModule;
730 size = sizeof(OFSTRUCT) - sizeof(ofs->szPathName) + strlen(path) + 1;
731 ofs = (OFSTRUCT *)pData;
732 ofs->cBytes = size - 1;
734 strcpy( ofs->szPathName, path );
737 /* Free the fast-load area */
741 HeapFree( GetProcessHeap(), 0, fastload );
743 /* Get the non-resident names table */
745 if (ne_header.ne_cbnrestab)
747 pModule->nrname_handle = GlobalAlloc16( 0, ne_header.ne_cbnrestab );
748 if (!pModule->nrname_handle)
750 GlobalFree16( hModule );
751 return (HMODULE16)11; /* invalid exe */
753 FarSetOwner16( pModule->nrname_handle, hModule );
754 buffer = GlobalLock16( pModule->nrname_handle );
755 _llseek( hFile, ne_header.ne_nrestab, SEEK_SET );
756 if (_lread( hFile, buffer, ne_header.ne_cbnrestab )
757 != ne_header.ne_cbnrestab)
759 GlobalFree16( pModule->nrname_handle );
760 GlobalFree16( hModule );
761 return (HMODULE16)11; /* invalid exe */
764 else pModule->nrname_handle = 0;
766 /* Allocate a segment for the implicitly-loaded DLLs */
768 if (pModule->modref_count)
770 pModule->dlls_to_init = GlobalAlloc16( GMEM_ZEROINIT,
771 (pModule->modref_count+1)*sizeof(HMODULE16) );
772 if (!pModule->dlls_to_init)
774 if (pModule->nrname_handle) GlobalFree16( pModule->nrname_handle );
775 GlobalFree16( hModule );
776 return (HMODULE16)11; /* invalid exe */
778 FarSetOwner16( pModule->dlls_to_init, hModule );
780 else pModule->dlls_to_init = 0;
782 NE_RegisterModule( pModule );
783 SNOOP16_RegisterDLL(pModule,path);
788 /***********************************************************************
791 * Load all DLLs implicitly linked to a module.
793 static BOOL NE_LoadDLLs( NE_MODULE *pModule )
796 WORD *pModRef = (WORD *)((char *)pModule + pModule->modref_table);
797 WORD *pDLLs = (WORD *)GlobalLock16( pModule->dlls_to_init );
799 for (i = 0; i < pModule->modref_count; i++, pModRef++)
801 char buffer[260], *p;
802 BYTE *pstr = (BYTE *)pModule + pModule->import_table + *pModRef;
803 memcpy( buffer, pstr + 1, *pstr );
804 *(buffer + *pstr) = 0; /* terminate it */
806 TRACE("Loading '%s'\n", buffer );
807 if (!(*pModRef = GetModuleHandle16( buffer )))
809 /* If the DLL is not loaded yet, load it and store */
810 /* its handle in the list of DLLs to initialize. */
813 /* Append .DLL to name if no extension present */
814 if (!(p = strrchr( buffer, '.')) || strchr( p, '/' ) || strchr( p, '\\'))
815 strcat( buffer, ".DLL" );
817 if ((hDLL = MODULE_LoadModule16( buffer, TRUE, TRUE )) < 32)
819 /* FIXME: cleanup what was done */
821 MESSAGE( "Could not load '%s' required by '%.*s', error=%d\n",
822 buffer, *((BYTE*)pModule + pModule->name_table),
823 (char *)pModule + pModule->name_table + 1, hDLL );
826 *pModRef = GetExePtr( hDLL );
829 else /* Increment the reference count of the DLL */
833 pOldDLL = NE_GetPtr( *pModRef );
834 if (pOldDLL) pOldDLL->count++;
841 /**********************************************************************
844 * Load first instance of NE module from file.
846 * pModule must point to a module structure prepared by NE_LoadExeHeader.
847 * This routine must never be called twice on a module.
850 static HINSTANCE16 NE_DoLoadModule( NE_MODULE *pModule )
852 /* Allocate the segments for this module */
854 if (!NE_CreateAllSegments( pModule ))
855 return ERROR_NOT_ENOUGH_MEMORY; /* 8 */
857 /* Load the referenced DLLs */
859 if (!NE_LoadDLLs( pModule ))
860 return ERROR_FILE_NOT_FOUND; /* 2 */
862 /* Load the segments */
864 NE_LoadAllSegments( pModule );
866 /* Make sure the usage count is 1 on the first loading of */
867 /* the module, even if it contains circular DLL references */
871 return NE_GetInstance( pModule );
874 /**********************************************************************
877 * Load first instance of NE module. (Note: caller is responsible for
878 * ensuring the module isn't already loaded!)
880 * If the module turns out to be an executable module, only a
881 * handle to a module stub is returned; this needs to be initialized
882 * by calling NE_DoLoadModule later, in the context of the newly
885 * If lib_only is TRUE, however, the module is perforce treated
886 * like a DLL module, even if it is an executable module.
889 static HINSTANCE16 NE_LoadModule( LPCSTR name, BOOL lib_only )
893 HINSTANCE16 hInstance;
898 if ((hFile = OpenFile16( name, &ofs, OF_READ )) == HFILE_ERROR16)
899 return (HMODULE16)2; /* File not found */
901 hModule = NE_LoadExeHeader( DosFileHandleToWin32Handle(hFile), ofs.szPathName );
903 if (hModule < 32) return hModule;
905 pModule = NE_GetPtr( hModule );
906 if ( !pModule ) return hModule;
908 if ( !lib_only && !( pModule->flags & NE_FFLAGS_LIBMODULE ) )
911 hInstance = NE_DoLoadModule( pModule );
912 if ( hInstance < 32 )
915 NE_FreeModule( hModule, 0 );
922 /**********************************************************************
923 * MODULE_LoadModule16
925 * Load a NE module in the order of the loadorder specification.
926 * The caller is responsible that the module is not loaded already.
929 static HINSTANCE16 MODULE_LoadModule16( LPCSTR libname, BOOL implicit, BOOL lib_only )
931 HINSTANCE16 hinst = 2;
932 enum loadorder_type loadorder[LOADORDER_NTYPES];
934 const char *filetype = "";
936 MODULE_GetLoadOrder(loadorder, libname, FALSE);
938 for(i = 0; i < LOADORDER_NTYPES; i++)
940 if (loadorder[i] == LOADORDER_INVALID) break;
945 TRACE("Trying native dll '%s'\n", libname);
946 hinst = NE_LoadModule(libname, lib_only);
951 TRACE("Trying built-in '%s'\n", libname);
952 hinst = BUILTIN_LoadModule(libname);
953 filetype = "builtin";
956 case LOADORDER_SO: /* This is not supported for NE modules */
969 hModule = GetModuleHandle16(libname);
972 ERR("Serious trouble. Just loaded module '%s' (hinst=0x%04x), but can't get module handle. Filename too long ?\n",
974 return 6; /* ERROR_INVALID_HANDLE seems most appropriate */
977 pModule = NE_GetPtr(hModule);
980 ERR("Serious trouble. Just loaded module '%s' (hinst=0x%04x), but can't get NE_MODULE pointer\n",
982 return 6; /* ERROR_INVALID_HANDLE seems most appropriate */
985 TRACE("Loaded module '%s' at 0x%04x.\n", libname, hinst);
986 if (!TRACE_ON(module))
987 TRACE_(loaddll)("Loaded module '%s' : %s\n", libname, filetype);
990 * Call initialization routines for all loaded DLLs. Note that
991 * when we load implicitly linked DLLs this will be done by InitTask().
993 if(pModule->flags & NE_FFLAGS_LIBMODULE)
995 NE_InitializeDLLs(hModule);
996 NE_DllProcessAttach(hModule);
1004 /* We quit searching when we get another error than 'File not found' */
1008 return hinst; /* The last error that occured */
1012 /**********************************************************************
1015 * Create the thread for a 16-bit module.
1017 static HINSTANCE16 NE_CreateThread( NE_MODULE *pModule, WORD cmdShow, LPCSTR cmdline )
1022 HINSTANCE16 instance = 0;
1024 if (!(hTask = TASK_SpawnTask( pModule, cmdShow, cmdline + 1, *cmdline, &hThread )))
1027 /* Post event to start the task */
1028 PostEvent16( hTask );
1030 /* Wait until we get the instance handle */
1033 DirectedYield16( hTask );
1034 if (!IsTask16( hTask )) /* thread has died */
1037 WaitForSingleObject( hThread, INFINITE );
1038 GetExitCodeThread( hThread, &exit_code );
1039 CloseHandle( hThread );
1042 if (!(pTask = TASK_GetPtr( hTask ))) break;
1043 instance = pTask->hInstance;
1044 GlobalUnlock16( hTask );
1045 } while (!instance);
1047 CloseHandle( hThread );
1052 /**********************************************************************
1053 * LoadModule (KERNEL.45)
1055 HINSTANCE16 WINAPI LoadModule16( LPCSTR name, LPVOID paramBlock )
1057 BOOL lib_only = !paramBlock || (paramBlock == (LPVOID)-1);
1058 LOADPARAMS16 *params;
1066 if ( (hModule = NE_GetModuleByFilename(name) ) != 0 )
1068 /* Special case: second instance of an already loaded NE module */
1070 if ( !( pModule = NE_GetPtr( hModule ) ) ) return (HINSTANCE16)11;
1071 if ( pModule->module32 ) return (HINSTANCE16)21;
1073 /* Increment refcount */
1079 /* Main case: load first instance of NE module */
1081 if ( (hModule = MODULE_LoadModule16( name, FALSE, lib_only )) < 32 )
1084 if ( !(pModule = NE_GetPtr( hModule )) )
1085 return (HINSTANCE16)11;
1088 /* If library module, we just retrieve the instance handle */
1090 if ( ( pModule->flags & NE_FFLAGS_LIBMODULE ) || lib_only )
1091 return NE_GetInstance( pModule );
1094 * At this point, we need to create a new process.
1096 * pModule points either to an already loaded module, whose refcount
1097 * has already been incremented (to avoid having the module vanish
1098 * in the meantime), or else to a stub module which contains only header
1101 params = (LOADPARAMS16 *)paramBlock;
1102 cmdShow = ((WORD *)MapSL(params->showCmd))[1];
1103 cmdline = MapSL( params->cmdLine );
1104 return NE_CreateThread( pModule, cmdShow, cmdline );
1108 /**********************************************************************
1111 * Start the main NE task.
1113 HINSTANCE16 NE_StartMain( LPCSTR name, HANDLE file )
1119 LPSTR pCmdLine, cmdline = GetCommandLineA();
1121 if ((hModule = NE_LoadExeHeader( file, name )) < 32) return hModule;
1123 if (!(pModule = NE_GetPtr( hModule ))) return (HINSTANCE16)11;
1124 if (pModule->flags & NE_FFLAGS_LIBMODULE)
1126 MESSAGE( "%s is not a valid Win16 executable\n", name );
1127 ExitProcess( ERROR_BAD_EXE_FORMAT );
1130 while (*cmdline && *cmdline != ' ') cmdline++;
1131 if (*cmdline) cmdline++;
1132 len = strlen(cmdline);
1133 pCmdLine = HeapAlloc(GetProcessHeap(), 0, len+2);
1136 strcpy(pCmdLine+1, cmdline);
1139 GetStartupInfoA( &info );
1140 if (!(info.dwFlags & STARTF_USESHOWWINDOW)) info.wShowWindow = 1;
1142 return NE_CreateThread( pModule, info.wShowWindow, pCmdLine );
1146 /**********************************************************************
1149 * Startup code for a new 16-bit task.
1151 DWORD NE_StartTask(void)
1153 TDB *pTask = TASK_GetCurrent();
1154 NE_MODULE *pModule = NE_GetPtr( pTask->hModule );
1155 HINSTANCE16 hInstance, hPrevInstance;
1156 SEGTABLEENTRY *pSegTable = NE_SEG_TABLE( pModule );
1159 if ( pModule->count > 0 )
1161 /* Second instance of an already loaded NE module */
1162 /* Note that the refcount was already incremented by the parent */
1164 hPrevInstance = NE_GetInstance( pModule );
1166 if ( pModule->dgroup )
1167 if ( NE_CreateSegment( pModule, pModule->dgroup ) )
1168 NE_LoadSegment( pModule, pModule->dgroup );
1170 hInstance = NE_GetInstance( pModule );
1171 TRACE("created second instance %04x[%d] of instance %04x.\n", hInstance, pModule->dgroup, hPrevInstance);
1176 /* Load first instance of NE module */
1178 pModule->flags |= NE_FFLAGS_GUI; /* FIXME: is this necessary? */
1180 hInstance = NE_DoLoadModule( pModule );
1184 if ( hInstance >= 32 )
1188 /* Enter instance handles into task struct */
1190 pTask->hInstance = hInstance;
1191 pTask->hPrevInstance = hPrevInstance;
1193 /* Use DGROUP for 16-bit stack */
1195 if (!(sp = pModule->sp))
1196 sp = pSegTable[pModule->ss-1].minsize + pModule->stack_size;
1198 sp -= sizeof(STACK16FRAME);
1199 pTask->teb->cur_stack = MAKESEGPTR( GlobalHandleToSel16(hInstance), sp );
1201 /* Registers at initialization must be:
1203 * bx stack size in bytes
1204 * cx heap size in bytes
1205 * si previous app instance
1206 * di current app instance
1208 * es selector to the PSP
1209 * ds dgroup of the application
1211 * sp top of the stack
1213 memset( &context, 0, sizeof(context) );
1214 context.SegCs = GlobalHandleToSel16(pSegTable[pModule->cs - 1].hSeg);
1215 context.SegDs = GlobalHandleToSel16(pTask->hInstance);
1216 context.SegEs = pTask->hPDB;
1217 context.Eip = pModule->ip;
1218 context.Ebx = pModule->stack_size;
1219 context.Ecx = pModule->heap_size;
1220 context.Edi = pTask->hInstance;
1221 context.Esi = pTask->hPrevInstance;
1223 /* Now call 16-bit entry point */
1225 TRACE("Starting main program: cs:ip=%04lx:%04lx ds=%04lx ss:sp=%04x:%04x\n",
1226 context.SegCs, context.Eip, context.SegDs,
1227 SELECTOROF(pTask->teb->cur_stack),
1228 OFFSETOF(pTask->teb->cur_stack) );
1230 wine_call_to_16_regs_short( &context, 0 );
1231 ExitThread( LOWORD(context.Eax) );
1233 return hInstance; /* error code */
1236 /***********************************************************************
1237 * LoadLibrary (KERNEL.95)
1238 * LoadLibrary16 (KERNEL32.35)
1240 HINSTANCE16 WINAPI LoadLibrary16( LPCSTR libname )
1242 return LoadModule16(libname, (LPVOID)-1 );
1246 /**********************************************************************
1249 * Call a DLL's WEP, allowing it to shut down.
1250 * FIXME: we always pass the WEP WEP_FREE_DLL, never WEP_SYSTEM_EXIT
1252 static BOOL16 MODULE_CallWEP( HMODULE16 hModule )
1255 FARPROC16 WEP = GetProcAddress16( hModule, "WEP" );
1256 if (!WEP) return FALSE;
1260 ret = NE_CallTo16_word_w( WEP, WEP_FREE_DLL );
1262 __EXCEPT(page_fault)
1264 WARN("Page fault\n");
1273 /**********************************************************************
1276 * Implementation of FreeModule16().
1278 static BOOL16 NE_FreeModule( HMODULE16 hModule, BOOL call_wep )
1280 HMODULE16 *hPrevModule;
1285 if (!(pModule = NE_GetPtr( hModule ))) return FALSE;
1286 hModule = pModule->self;
1288 TRACE("%04x count %d\n", hModule, pModule->count );
1290 if (((INT16)(--pModule->count)) > 0 ) return TRUE;
1291 else pModule->count = 0;
1293 if (pModule->flags & NE_FFLAGS_BUILTIN)
1294 return FALSE; /* Can't free built-in module */
1296 if (call_wep && !(pModule->flags & NE_FFLAGS_WIN32))
1298 if (pModule->flags & NE_FFLAGS_LIBMODULE)
1300 MODULE_CallWEP( hModule );
1302 /* Free the objects owned by the DLL module */
1303 TASK_CallTaskSignalProc( USIG16_DLL_UNLOAD, hModule );
1304 PROCESS_CallUserSignalProc( USIG_DLL_UNLOAD_WIN16, hModule );
1307 call_wep = FALSE; /* We are freeing a task -> no more WEPs */
1311 /* Clear magic number just in case */
1313 pModule->magic = pModule->self = 0;
1315 /* Remove it from the linked list */
1317 hPrevModule = &hFirstModule;
1318 while (*hPrevModule && (*hPrevModule != hModule))
1320 hPrevModule = &(NE_GetPtr( *hPrevModule ))->next;
1322 if (*hPrevModule) *hPrevModule = pModule->next;
1324 /* Free the referenced modules */
1326 pModRef = (HMODULE16*)NE_MODULE_TABLE( pModule );
1327 for (i = 0; i < pModule->modref_count; i++, pModRef++)
1329 NE_FreeModule( *pModRef, call_wep );
1332 /* Free the module storage */
1334 GlobalFreeAll16( hModule );
1336 /* Remove module from cache */
1338 if (pCachedModule == pModule) pCachedModule = NULL;
1343 /**********************************************************************
1344 * FreeModule (KERNEL.46)
1346 BOOL16 WINAPI FreeModule16( HMODULE16 hModule )
1348 return NE_FreeModule( hModule, TRUE );
1352 /***********************************************************************
1353 * FreeLibrary (KERNEL.96)
1354 * FreeLibrary16 (KERNEL32.36)
1356 void WINAPI FreeLibrary16( HINSTANCE16 handle )
1358 TRACE("%04x\n", handle );
1359 FreeModule16( handle );
1363 /**********************************************************************
1364 * GetModuleName (KERNEL.27)
1366 BOOL16 WINAPI GetModuleName16( HINSTANCE16 hinst, LPSTR buf, INT16 count )
1371 if (!(pModule = NE_GetPtr( hinst ))) return FALSE;
1372 p = (BYTE *)pModule + pModule->name_table;
1373 if (count > *p) count = *p + 1;
1376 memcpy( buf, p + 1, count - 1 );
1377 buf[count-1] = '\0';
1383 /**********************************************************************
1384 * GetModuleUsage (KERNEL.48)
1386 INT16 WINAPI GetModuleUsage16( HINSTANCE16 hModule )
1388 NE_MODULE *pModule = NE_GetPtr( hModule );
1389 return pModule ? pModule->count : 0;
1393 /**********************************************************************
1394 * GetExpWinVer (KERNEL.167)
1396 WORD WINAPI GetExpWinVer16( HMODULE16 hModule )
1398 NE_MODULE *pModule = NE_GetPtr( hModule );
1399 if ( !pModule ) return 0;
1402 * For built-in modules, fake the expected version the module should
1403 * have according to the Windows version emulated by Wine
1405 if ( !pModule->expected_version )
1407 OSVERSIONINFOA versionInfo;
1408 versionInfo.dwOSVersionInfoSize = sizeof(versionInfo);
1410 if ( GetVersionExA( &versionInfo ) )
1411 pModule->expected_version =
1412 (versionInfo.dwMajorVersion & 0xff) << 8
1413 | (versionInfo.dwMinorVersion & 0xff);
1416 return pModule->expected_version;
1420 /**********************************************************************
1421 * GetModuleFileName (KERNEL.49)
1423 * Comment: see GetModuleFileNameA
1425 * Even if invoked by second instance of a program,
1426 * it still returns path of first one.
1428 INT16 WINAPI GetModuleFileName16( HINSTANCE16 hModule, LPSTR lpFileName,
1433 /* Win95 does not query hModule if set to 0 !
1434 * Is this wrong or maybe Win3.1 only ? */
1435 if (!hModule) hModule = GetCurrentTask();
1437 if (!(pModule = NE_GetPtr( hModule ))) return 0;
1438 lstrcpynA( lpFileName, NE_MODULE_NAME(pModule), nSize );
1439 if (pModule->expected_version >= 0x400)
1440 GetLongPathNameA(NE_MODULE_NAME(pModule), lpFileName, nSize);
1441 TRACE("%04x -> '%s'\n", hModule, lpFileName );
1442 return strlen(lpFileName);
1446 /**********************************************************************
1447 * GetModuleHandle (KERNEL.47)
1449 * Find a module from a module name.
1451 * NOTE: The current implementation works the same way the Windows 95 one
1452 * does. Do not try to 'fix' it, fix the callers.
1453 * + It does not do ANY extension handling (except that strange .EXE bit)!
1454 * + It does not care about paths, just about basenames. (same as Windows)
1458 * the win16 module handle if found
1460 * HIWORD (undocumented, see "Undocumented Windows", chapter 5):
1461 * Always hFirstModule
1463 DWORD WINAPI WIN16_GetModuleHandle( SEGPTR name )
1465 if (HIWORD(name) == 0)
1466 return MAKELONG(GetExePtr( (HINSTANCE16)name), hFirstModule );
1467 return MAKELONG(GetModuleHandle16( MapSL(name)), hFirstModule );
1470 /***********************************************************************
1471 * GetModuleHandle16 (KERNEL32.@)
1473 HMODULE16 WINAPI GetModuleHandle16( LPCSTR name )
1475 HMODULE16 hModule = hFirstModule;
1477 BYTE len, *name_table;
1478 char tmpstr[MAX_PATH];
1481 TRACE("(%s)\n", name);
1484 return GetExePtr(LOWORD(name));
1490 lstrcpynA(tmpstr, name, sizeof(tmpstr));
1492 /* If 'name' matches exactly the module name of a module:
1493 * Return its handle.
1495 for (hModule = hFirstModule; hModule ; hModule = pModule->next)
1497 pModule = NE_GetPtr( hModule );
1498 if (!pModule) break;
1499 if (pModule->flags & NE_FFLAGS_WIN32) continue;
1501 name_table = (BYTE *)pModule + pModule->name_table;
1502 if ((*name_table == len) && !strncmp(name, name_table+1, len))
1506 /* If uppercased 'name' matches exactly the module name of a module:
1509 for (s = tmpstr; *s; s++) *s = FILE_toupper(*s);
1511 for (hModule = hFirstModule; hModule ; hModule = pModule->next)
1513 pModule = NE_GetPtr( hModule );
1514 if (!pModule) break;
1515 if (pModule->flags & NE_FFLAGS_WIN32) continue;
1517 name_table = (BYTE *)pModule + pModule->name_table;
1518 /* FIXME: the strncasecmp is WRONG. It should not be case insensitive,
1519 * but case sensitive! (Unfortunately Winword 6 and subdlls have
1520 * lowercased module names, but try to load uppercase DLLs, so this
1521 * 'i' compare is just a quickfix until the loader handles that
1522 * correctly. -MM 990705
1524 if ((*name_table == len) && !FILE_strncasecmp(tmpstr, name_table+1, len))
1528 /* If the base filename of 'name' matches the base filename of the module
1529 * filename of some module (case-insensitive compare):
1530 * Return its handle.
1533 /* basename: search backwards in passed name to \ / or : */
1534 s = tmpstr + strlen(tmpstr);
1537 if (s[-1]=='/' || s[-1]=='\\' || s[-1]==':')
1542 /* search this in loaded filename list */
1543 for (hModule = hFirstModule; hModule ; hModule = pModule->next)
1548 pModule = NE_GetPtr( hModule );
1549 if (!pModule) break;
1550 if (!pModule->fileinfo) continue;
1551 if (pModule->flags & NE_FFLAGS_WIN32) continue;
1553 ofs = (OFSTRUCT*)((BYTE *)pModule + pModule->fileinfo);
1554 loadedfn = ((char*)ofs->szPathName) + strlen(ofs->szPathName);
1555 /* basename: search backwards in pathname to \ / or : */
1556 while (loadedfn > (char*)ofs->szPathName)
1558 if (loadedfn[-1]=='/' || loadedfn[-1]=='\\' || loadedfn[-1]==':')
1562 /* case insensitive compare ... */
1563 if (!FILE_strcasecmp(loadedfn, s))
1567 /* If the extension of 'name' is '.EXE' and the base filename of 'name'
1568 * matches the base filename of the module filename of some 32-bit module:
1569 * Return the corresponding 16-bit dummy module handle.
1571 if (len >= 4 && !FILE_strcasecmp(name+len-4, ".EXE"))
1573 HMODULE hModule = GetModuleHandleA( name );
1575 return MapHModuleLS( hModule );
1578 if (!strcmp(tmpstr,"MSDOS"))
1581 if (!strcmp(tmpstr,"TIMER"))
1583 FIXME("Eh... Should return caller's code segment, expect crash\n");
1590 /**********************************************************************
1591 * NE_GetModuleByFilename
1593 static HMODULE16 NE_GetModuleByFilename( LPCSTR name )
1597 BYTE len, *name_table;
1598 char tmpstr[MAX_PATH];
1601 lstrcpynA(tmpstr, name, sizeof(tmpstr));
1603 /* If the base filename of 'name' matches the base filename of the module
1604 * filename of some module (case-insensitive compare):
1605 * Return its handle.
1608 /* basename: search backwards in passed name to \ / or : */
1609 s = tmpstr + strlen(tmpstr);
1612 if (s[-1]=='/' || s[-1]=='\\' || s[-1]==':')
1617 /* search this in loaded filename list */
1618 for (hModule = hFirstModule; hModule ; hModule = pModule->next)
1623 pModule = NE_GetPtr( hModule );
1624 if (!pModule) break;
1625 if (!pModule->fileinfo) continue;
1626 if (pModule->flags & NE_FFLAGS_WIN32) continue;
1628 ofs = (OFSTRUCT*)((BYTE *)pModule + pModule->fileinfo);
1629 loadedfn = ((char*)ofs->szPathName) + strlen(ofs->szPathName);
1630 /* basename: search backwards in pathname to \ / or : */
1631 while (loadedfn > (char*)ofs->szPathName)
1633 if (loadedfn[-1]=='/' || loadedfn[-1]=='\\' || loadedfn[-1]==':')
1637 /* case insensitive compare ... */
1638 if (!FILE_strcasecmp(loadedfn, s))
1641 /* If basename (without ext) matches the module name of a module:
1642 * Return its handle.
1645 if ( (p = strrchr( s, '.' )) != NULL ) *p = '\0';
1648 for (hModule = hFirstModule; hModule ; hModule = pModule->next)
1650 pModule = NE_GetPtr( hModule );
1651 if (!pModule) break;
1652 if (pModule->flags & NE_FFLAGS_WIN32) continue;
1654 name_table = (BYTE *)pModule + pModule->name_table;
1655 if ((*name_table == len) && !FILE_strncasecmp(s, name_table+1, len))
1662 /**********************************************************************
1663 * ModuleFirst (TOOLHELP.59)
1665 BOOL16 WINAPI ModuleFirst16( MODULEENTRY *lpme )
1667 lpme->wNext = hFirstModule;
1668 return ModuleNext16( lpme );
1672 /**********************************************************************
1673 * ModuleNext (TOOLHELP.60)
1675 BOOL16 WINAPI ModuleNext16( MODULEENTRY *lpme )
1680 if (!lpme->wNext) return FALSE;
1681 if (!(pModule = NE_GetPtr( lpme->wNext ))) return FALSE;
1682 name = (char *)pModule + pModule->name_table;
1683 memcpy( lpme->szModule, name + 1, min(*name, MAX_MODULE_NAME) );
1684 lpme->szModule[min(*name, MAX_MODULE_NAME)] = '\0';
1685 lpme->hModule = lpme->wNext;
1686 lpme->wcUsage = pModule->count;
1687 lstrcpynA( lpme->szExePath, NE_MODULE_NAME(pModule), sizeof(lpme->szExePath) );
1688 lpme->wNext = pModule->next;
1693 /**********************************************************************
1694 * ModuleFindName (TOOLHELP.61)
1696 BOOL16 WINAPI ModuleFindName16( MODULEENTRY *lpme, LPCSTR name )
1698 lpme->wNext = GetModuleHandle16( name );
1699 return ModuleNext16( lpme );
1703 /**********************************************************************
1704 * ModuleFindHandle (TOOLHELP.62)
1706 BOOL16 WINAPI ModuleFindHandle16( MODULEENTRY *lpme, HMODULE16 hModule )
1708 hModule = GetExePtr( hModule );
1709 lpme->wNext = hModule;
1710 return ModuleNext16( lpme );
1714 /***************************************************************************
1715 * IsRomModule (KERNEL.323)
1717 BOOL16 WINAPI IsRomModule16( HMODULE16 unused )
1722 /***************************************************************************
1723 * IsRomFile (KERNEL.326)
1725 BOOL16 WINAPI IsRomFile16( HFILE16 unused )
1730 /***************************************************************************
1731 * MapHModuleLS (KERNEL32.@)
1733 HMODULE16 WINAPI MapHModuleLS(HMODULE hmod) {
1737 return TASK_GetCurrent()->hInstance;
1739 return LOWORD(hmod); /* we already have a 16 bit module handle */
1740 pModule = (NE_MODULE*)GlobalLock16(hFirstModule);
1742 if (pModule->module32 == hmod)
1743 return pModule->self;
1744 pModule = (NE_MODULE*)GlobalLock16(pModule->next);
1749 /***************************************************************************
1750 * MapHModuleSL (KERNEL32.@)
1752 HMODULE WINAPI MapHModuleSL(HMODULE16 hmod) {
1756 TDB *pTask = TASK_GetCurrent();
1757 hmod = pTask->hModule;
1759 pModule = (NE_MODULE*)GlobalLock16(hmod);
1760 if ( (pModule->magic!=IMAGE_OS2_SIGNATURE) ||
1761 !(pModule->flags & NE_FFLAGS_WIN32)
1764 return pModule->module32;
1767 /***************************************************************************
1768 * MapHInstLS (KERNEL32.@)
1769 * MapHInstLS (KERNEL.472)
1771 void WINAPI MapHInstLS( CONTEXT86 *context )
1773 context->Eax = MapHModuleLS( (HMODULE)context->Eax );
1776 /***************************************************************************
1777 * MapHInstSL (KERNEL32.@)
1778 * MapHInstSL (KERNEL.473)
1780 void WINAPI MapHInstSL( CONTEXT86 *context )
1782 context->Eax = (DWORD)MapHModuleSL( context->Eax );
1785 /***************************************************************************
1786 * MapHInstLS_PN (KERNEL32.@)
1788 void WINAPI MapHInstLS_PN( CONTEXT86 *context )
1790 if (context->Eax) context->Eax = MapHModuleLS( (HMODULE)context->Eax );
1793 /***************************************************************************
1794 * MapHInstSL_PN (KERNEL32.@)
1796 void WINAPI MapHInstSL_PN( CONTEXT86 *context )
1798 if (context->Eax) context->Eax = (DWORD)MapHModuleSL( context->Eax );