?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
Make CryptImport/ExportPublicKeyInfoEx behave the way MSDN describes
[wine/gsoc-2012-control.git] / dlls / kernel / ne_module.c
blob4770587c16e622d84700526363da42045f28fb02
1 /*
2 * NE modules
3 *
4 * Copyright 1995 Alexandre Julliard
5 *
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.
10 *
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.
15 *
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
19 */
20
21 #include "config.h"
22 #include "wine/port.h"
23
24 #include <assert.h>
25 #include <fcntl.h>
26 #include <stdarg.h>
27 #include <stdio.h>
28 #include <stdlib.h>
29 #include <string.h>
30 #ifdef HAVE_UNISTD_H
31 # include <unistd.h>
32 #endif
33 #include <ctype.h>
34
35 #include "windef.h"
36 #include "wine/winbase16.h"
37 #include "wownt32.h"
38 #include "winternl.h"
39 #include "toolhelp.h"
40 #include "excpt.h"
41 #include "kernel_private.h"
42 #include "kernel16_private.h"
43 #include "wine/exception.h"
44 #include "wine/debug.h"
45
46 WINE_DEFAULT_DEBUG_CHANNEL(module);
47 WINE_DECLARE_DEBUG_CHANNEL(loaddll);
48 WINE_DECLARE_DEBUG_CHANNEL(relay);
49
50 #include "pshpack1.h"
51 typedef struct _GPHANDLERDEF
52 {
53 WORD selector;
54 WORD rangeStart;
55 WORD rangeEnd;
56 WORD handler;
57 } GPHANDLERDEF;
58 #include "poppack.h"
59
60 /*
61 * Segment table entry
62 */
63 struct ne_segment_table_entry_s
64 {
65 WORD seg_data_offset; /* Sector offset of segment data */
66 WORD seg_data_length; /* Length of segment data */
67 WORD seg_flags; /* Flags associated with this segment */
68 WORD min_alloc; /* Minimum allocation size for this */
69 };
70
71 #define hFirstModule (pThhook->hExeHead)
72
73 struct builtin_dll
74 {
75 const IMAGE_DOS_HEADER *header; /* module headers */
76 const char *file_name; /* module file name */
77 };
78
79 /* Table of all built-in DLLs */
80
81 #define MAX_DLLS 50
82
83 static struct builtin_dll builtin_dlls[MAX_DLLS];
84
85 static HINSTANCE16 NE_LoadModule( LPCSTR name, BOOL lib_only );
86 static BOOL16 NE_FreeModule( HMODULE16 hModule, BOOL call_wep );
87
88 static HINSTANCE16 MODULE_LoadModule16( LPCSTR libname, BOOL implicit, BOOL lib_only );
89
90 static HMODULE16 NE_GetModuleByFilename( LPCSTR name );
91
92
93 static WINE_EXCEPTION_FILTER(page_fault)
94 {
95 if (GetExceptionCode() == EXCEPTION_ACCESS_VIOLATION ||
96 GetExceptionCode() == EXCEPTION_PRIV_INSTRUCTION)
97 return EXCEPTION_EXECUTE_HANDLER;
98 return EXCEPTION_CONTINUE_SEARCH;
99 }
100
101
102 /* patch all the flat cs references of the code segment if necessary */
103 inline static void patch_code_segment( NE_MODULE *pModule )
104 {
105 #ifdef __i386__
106 int i;
107 CALLFROM16 *call;
108 SEGTABLEENTRY *pSeg = NE_SEG_TABLE( pModule );
109
110 for (i = 0; i < pModule->ne_cseg; i++, pSeg++)
111 if (!(pSeg->flags & NE_SEGFLAGS_DATA)) break; /* found the code segment */
112
113 call = GlobalLock16( pSeg->hSeg );
114
115 /* patch glue code address and code selector */
116 for (i = 0; call[i].pushl == 0x68; i++)
117 {
118 if (call[i].ret[0] == 0xca66 || call[i].ret[0] == 0xcb66) /* register entry point? */
119 call[i].glue = __wine_call_from_16_regs;
120 else
121 call[i].glue = __wine_call_from_16;
122 call[i].flatcs = wine_get_cs();
123 }
124
125 if (TRACE_ON(relay)) /* patch relay functions to all point to relay_call_from_16 */
126 for (i = 0; call[i].pushl == 0x68; i++) call[i].relay = relay_call_from_16;
127 #endif
128 }
129
130
131 /***********************************************************************
132 * NE_strcasecmp
133 *
134 * locale-independent case conversion for module lookups
135 */
136 static int NE_strcasecmp( const char *str1, const char *str2 )
137 {
138 int ret = 0;
139 for ( ; ; str1++, str2++)
140 if ((ret = RtlUpperChar(*str1) - RtlUpperChar(*str2)) || !*str1) break;
141 return ret;
142 }
143
144
145 /***********************************************************************
146 * NE_strncasecmp
147 *
148 * locale-independent case conversion for module lookups
149 */
150 static int NE_strncasecmp( const char *str1, const char *str2, int len )
151 {
152 int ret = 0;
153 for ( ; len > 0; len--, str1++, str2++)
154 if ((ret = RtlUpperChar(*str1) - RtlUpperChar(*str2)) || !*str1) break;
155 return ret;
156 }
157
158
159 /***********************************************************************
160 * find_dll_descr
161 *
162 * Find a descriptor in the list
163 */
164 static const IMAGE_DOS_HEADER *find_dll_descr( const char *dllname, const char **file_name )
165 {
166 int i;
167 const IMAGE_DOS_HEADER *mz_header;
168 const IMAGE_OS2_HEADER *ne_header;
169 BYTE *name_table;
170
171 for (i = 0; i < MAX_DLLS; i++)
172 {
173 mz_header = builtin_dlls[i].header;
174 if (mz_header)
175 {
176 ne_header = (const IMAGE_OS2_HEADER *)((const char *)mz_header + mz_header->e_lfanew);
177 name_table = (BYTE *)ne_header + ne_header->ne_restab;
178
179 /* check the dll file name */
180 if (!NE_strcasecmp( builtin_dlls[i].file_name, dllname ) ||
181 /* check the dll module name (without extension) */
182 (!NE_strncasecmp( dllname, (const char*)name_table+1, *name_table ) &&
183 !strcmp( dllname + *name_table, ".dll" )))
184 {
185 *file_name = builtin_dlls[i].file_name;
186 return builtin_dlls[i].header;
187 }
188 }
189 }
190 return NULL;
191 }
192
193
194 /***********************************************************************
195 * __wine_dll_register_16 (KERNEL32.@)
196 *
197 * Register a built-in DLL descriptor.
198 */
199 void __wine_dll_register_16( const IMAGE_DOS_HEADER *header, const char *file_name )
200 {
201 int i;
202
203 for (i = 0; i < MAX_DLLS; i++)
204 {
205 if (builtin_dlls[i].header) continue;
206 builtin_dlls[i].header = header;
207 builtin_dlls[i].file_name = file_name;
208 break;
209 }
210 assert( i < MAX_DLLS );
211 }
212
213
214 /***********************************************************************
215 * __wine_dll_unregister_16 (KERNEL32.@)
216 *
217 * Unregister a built-in DLL descriptor.
218 */
219 void __wine_dll_unregister_16( const IMAGE_DOS_HEADER *header )
220 {
221 int i;
222
223 for (i = 0; i < MAX_DLLS; i++)
224 {
225 if (builtin_dlls[i].header != header) continue;
226 builtin_dlls[i].header = NULL;
227 break;
228 }
229 }
230
231
232 /***********************************************************************
233 * NE_GetPtr
234 */
235 NE_MODULE *NE_GetPtr( HMODULE16 hModule )
236 {
237 return (NE_MODULE *)GlobalLock16( GetExePtr(hModule) );
238 }
239
240
241 /**********************************************************************
242 * NE_RegisterModule
243 */
244 static void NE_RegisterModule( NE_MODULE *pModule )
245 {
246 pModule->next = hFirstModule;
247 hFirstModule = pModule->self;
248 }
249
250
251 /***********************************************************************
252 * NE_DumpModule
253 */
254 void NE_DumpModule( HMODULE16 hModule )
255 {
256 int i, ordinal;
257 SEGTABLEENTRY *pSeg;
258 BYTE *pstr;
259 WORD *pword;
260 NE_MODULE *pModule;
261 ET_BUNDLE *bundle;
262 ET_ENTRY *entry;
263
264 if (!(pModule = NE_GetPtr( hModule )))
265 {
266 ERR( "**** %04x is not a module handle\n", hModule );
267 return;
268 }
269
270 /* Dump the module info */
271 TRACE( "---\n" );
272 TRACE( "Module %04x:\n", hModule );
273 TRACE( "count=%d flags=%04x heap=%d stack=%d\n",
274 pModule->count, pModule->ne_flags,
275 pModule->ne_heap, pModule->ne_stack );
276 TRACE( "cs:ip=%04x:%04x ss:sp=%04x:%04x ds=%04x nb seg=%d modrefs=%d\n",
277 SELECTOROF(pModule->ne_csip), OFFSETOF(pModule->ne_csip),
278 SELECTOROF(pModule->ne_sssp), OFFSETOF(pModule->ne_sssp),
279 pModule->ne_autodata, pModule->ne_cseg, pModule->ne_cmod );
280 TRACE( "os_flags=%d swap_area=%d version=%04x\n",
281 pModule->ne_exetyp, pModule->ne_swaparea, pModule->ne_expver );
282 if (pModule->ne_flags & NE_FFLAGS_WIN32)
283 TRACE( "PE module=%p\n", pModule->module32 );
284
285 /* Dump the file info */
286 TRACE( "---\n" );
287 TRACE( "Filename: '%s'\n", NE_MODULE_NAME(pModule) );
288
289 /* Dump the segment table */
290 TRACE( "---\n" );
291 TRACE( "Segment table:\n" );
292 pSeg = NE_SEG_TABLE( pModule );
293 for (i = 0; i < pModule->ne_cseg; i++, pSeg++)
294 TRACE( "%02x: pos=%d size=%d flags=%04x minsize=%d hSeg=%04x\n",
295 i + 1, pSeg->filepos, pSeg->size, pSeg->flags,
296 pSeg->minsize, pSeg->hSeg );
297
298 /* Dump the resource table */
299 TRACE( "---\n" );
300 TRACE( "Resource table:\n" );
301 if (pModule->ne_rsrctab)
302 {
303 pword = (WORD *)((BYTE *)pModule + pModule->ne_rsrctab);
304 TRACE( "Alignment: %d\n", *pword++ );
305 while (*pword)
306 {
307 NE_TYPEINFO *ptr = (NE_TYPEINFO *)pword;
308 NE_NAMEINFO *pname = (NE_NAMEINFO *)(ptr + 1);
309 TRACE( "id=%04x count=%d\n", ptr->type_id, ptr->count );
310 for (i = 0; i < ptr->count; i++, pname++)
311 TRACE( "offset=%d len=%d id=%04x\n",
312 pname->offset, pname->length, pname->id );
313 pword = (WORD *)pname;
314 }
315 }
316 else TRACE( "None\n" );
317
318 /* Dump the resident name table */
319 TRACE( "---\n" );
320 TRACE( "Resident-name table:\n" );
321 pstr = (BYTE*) pModule + pModule->ne_restab;
322 while (*pstr)
323 {
324 TRACE( "%*.*s: %d\n", *pstr, *pstr, pstr + 1,
325 *(WORD *)(pstr + *pstr + 1) );
326 pstr += *pstr + 1 + sizeof(WORD);
327 }
328
329 /* Dump the module reference table */
330 TRACE( "---\n" );
331 TRACE( "Module ref table:\n" );
332 if (pModule->ne_modtab)
333 {
334 pword = (WORD *)((BYTE *)pModule + pModule->ne_modtab);
335 for (i = 0; i < pModule->ne_cmod; i++, pword++)
336 {
337 char name[10];
338 GetModuleName16( *pword, name, sizeof(name) );
339 TRACE( "%d: %04x -> '%s'\n", i, *pword, name );
340 }
341 }
342 else TRACE( "None\n" );
343
344 /* Dump the entry table */
345 TRACE( "---\n" );
346 TRACE( "Entry table:\n" );
347 bundle = (ET_BUNDLE *)((BYTE *)pModule+pModule->ne_enttab);
348 do {
349 entry = (ET_ENTRY *)((BYTE *)bundle+6);
350 TRACE( "Bundle %d-%d: %02x\n", bundle->first, bundle->last, entry->type);
351 ordinal = bundle->first;
352 while (ordinal < bundle->last)
353 {
354 if (entry->type == 0xff)
355 TRACE("%d: %02x:%04x (moveable)\n", ordinal++, entry->segnum, entry->offs);
356 else
357 TRACE("%d: %02x:%04x (fixed)\n", ordinal++, entry->segnum, entry->offs);
358 entry++;
359 }
360 } while ( (bundle->next) && (bundle = ((ET_BUNDLE *)((BYTE *)pModule + bundle->next))) );
361
362 /* Dump the non-resident names table */
363 TRACE( "---\n" );
364 TRACE( "Non-resident names table:\n" );
365 if (pModule->nrname_handle)
366 {
367 pstr = GlobalLock16( pModule->nrname_handle );
368 while (*pstr)
369 {
370 TRACE( "%*.*s: %d\n", *pstr, *pstr, pstr + 1,
371 *(WORD *)(pstr + *pstr + 1) );
372 pstr += *pstr + 1 + sizeof(WORD);
373 }
374 }
375 TRACE( "\n" );
376 }
377
378
379 /***********************************************************************
380 * NE_WalkModules
381 *
382 * Walk the module list and print the modules.
383 */
384 void NE_WalkModules(void)
385 {
386 HMODULE16 hModule = hFirstModule;
387 MESSAGE( "Module Flags Name\n" );
388 while (hModule)
389 {
390 NE_MODULE *pModule = NE_GetPtr( hModule );
391 if (!pModule)
392 {
393 MESSAGE( "Bad module %04x in list\n", hModule );
394 return;
395 }
396 MESSAGE( " %04x %04x %.*s\n", hModule, pModule->ne_flags,
397 *((char *)pModule + pModule->ne_restab),
398 (char *)pModule + pModule->ne_restab + 1 );
399 hModule = pModule->next;
400 }
401 }
402
403
404 /***********************************************************************
405 * NE_InitResourceHandler
406 *
407 * Fill in 'resloader' fields in the resource table.
408 */
409 static void NE_InitResourceHandler( HMODULE16 hModule )
410 {
411 static FARPROC16 proc;
412
413 NE_TYPEINFO *pTypeInfo;
414 NE_MODULE *pModule;
415
416 if (!(pModule = NE_GetPtr( hModule )) || !pModule->ne_rsrctab) return;
417
418 TRACE("InitResourceHandler[%04x]\n", hModule );
419
420 if (!proc) proc = GetProcAddress16( GetModuleHandle16("KERNEL"), "DefResourceHandler" );
421
422 pTypeInfo = (NE_TYPEINFO *)((char *)pModule + pModule->ne_rsrctab + 2);
423 while(pTypeInfo->type_id)
424 {
425 memcpy_unaligned( &pTypeInfo->resloader, &proc, sizeof(FARPROC16) );
426 pTypeInfo = (NE_TYPEINFO *)((char*)(pTypeInfo + 1) + pTypeInfo->count * sizeof(NE_NAMEINFO));
427 }
428 }
429
430
431 /***********************************************************************
432 * NE_GetOrdinal
433 *
434 * Lookup the ordinal for a given name.
435 */
436 WORD NE_GetOrdinal( HMODULE16 hModule, const char *name )
437 {
438 char buffer[256], *p;
439 BYTE *cpnt;
440 BYTE len;
441 NE_MODULE *pModule;
442
443 if (!(pModule = NE_GetPtr( hModule ))) return 0;
444 if (pModule->ne_flags & NE_FFLAGS_WIN32) return 0;
445
446 TRACE("(%04x,'%s')\n", hModule, name );
447
448 /* First handle names of the form '#xxxx' */
449
450 if (name[0] == '#') return atoi( name + 1 );
451
452 /* Now copy and uppercase the string */
453
454 strcpy( buffer, name );
455 for (p = buffer; *p; p++) *p = RtlUpperChar(*p);
456 len = p - buffer;
457
458 /* First search the resident names */
459
460 cpnt = (BYTE *)pModule + pModule->ne_restab;
461
462 /* Skip the first entry (module name) */
463 cpnt += *cpnt + 1 + sizeof(WORD);
464 while (*cpnt)
465 {
466 if ((*cpnt == len) && !memcmp( cpnt+1, buffer, len ))
467 {
468 WORD ordinal;
469 memcpy( &ordinal, cpnt + *cpnt + 1, sizeof(ordinal) );
470 TRACE(" Found: ordinal=%d\n", ordinal );
471 return ordinal;
472 }
473 cpnt += *cpnt + 1 + sizeof(WORD);
474 }
475
476 /* Now search the non-resident names table */
477
478 if (!pModule->nrname_handle) return 0; /* No non-resident table */
479 cpnt = GlobalLock16( pModule->nrname_handle );
480
481 /* Skip the first entry (module description string) */
482 cpnt += *cpnt + 1 + sizeof(WORD);
483 while (*cpnt)
484 {
485 if ((*cpnt == len) && !memcmp( cpnt+1, buffer, len ))
486 {
487 WORD ordinal;
488 memcpy( &ordinal, cpnt + *cpnt + 1, sizeof(ordinal) );
489 TRACE(" Found: ordinal=%d\n", ordinal );
490 return ordinal;
491 }
492 cpnt += *cpnt + 1 + sizeof(WORD);
493 }
494 return 0;
495 }
496
497
498 /***********************************************************************
499 * NE_GetEntryPoint
500 */
501 FARPROC16 WINAPI NE_GetEntryPoint( HMODULE16 hModule, WORD ordinal )
502 {
503 return NE_GetEntryPointEx( hModule, ordinal, TRUE );
504 }
505
506 /***********************************************************************
507 * NE_GetEntryPointEx
508 */
509 FARPROC16 NE_GetEntryPointEx( HMODULE16 hModule, WORD ordinal, BOOL16 snoop )
510 {
511 NE_MODULE *pModule;
512 WORD sel, offset, i;
513
514 ET_ENTRY *entry;
515 ET_BUNDLE *bundle;
516
517 if (!(pModule = NE_GetPtr( hModule ))) return 0;
518 assert( !(pModule->ne_flags & NE_FFLAGS_WIN32) );
519
520 bundle = (ET_BUNDLE *)((BYTE *)pModule + pModule->ne_enttab);
521 while ((ordinal < bundle->first + 1) || (ordinal > bundle->last))
522 {
523 if (!(bundle->next))
524 return 0;
525 bundle = (ET_BUNDLE *)((BYTE *)pModule + bundle->next);
526 }
527
528 entry = (ET_ENTRY *)((BYTE *)bundle+6);
529 for (i=0; i < (ordinal - bundle->first - 1); i++)
530 entry++;
531
532 sel = entry->segnum;
533 memcpy( &offset, &entry->offs, sizeof(WORD) );
534
535 if (sel == 0xfe) sel = 0xffff; /* constant entry */
536 else sel = GlobalHandleToSel16(NE_SEG_TABLE(pModule)[sel-1].hSeg);
537 if (sel==0xffff)
538 return (FARPROC16)MAKESEGPTR( sel, offset );
539 if (!snoop)
540 return (FARPROC16)MAKESEGPTR( sel, offset );
541 else
542 return (FARPROC16)SNOOP16_GetProcAddress16(hModule,ordinal,(FARPROC16)MAKESEGPTR( sel, offset ));
543 }
544
545
546 /***********************************************************************
547 * EntryAddrProc (KERNEL.667) Wine-specific export
548 *
549 * Return the entry point for a given ordinal.
550 */
551 FARPROC16 WINAPI EntryAddrProc16( HMODULE16 hModule, WORD ordinal )
552 {
553 FARPROC16 ret = NE_GetEntryPointEx( hModule, ordinal, TRUE );
554 CURRENT_STACK16->ecx = hModule; /* FIXME: might be incorrect value */
555 return ret;
556 }
557
558 /***********************************************************************
559 * NE_SetEntryPoint
560 *
561 * Change the value of an entry point. Use with caution!
562 * It can only change the offset value, not the selector.
563 */
564 BOOL16 NE_SetEntryPoint( HMODULE16 hModule, WORD ordinal, WORD offset )
565 {
566 NE_MODULE *pModule;
567 ET_ENTRY *entry;
568 ET_BUNDLE *bundle;
569 int i;
570
571 if (!(pModule = NE_GetPtr( hModule ))) return FALSE;
572 assert( !(pModule->ne_flags & NE_FFLAGS_WIN32) );
573
574 bundle = (ET_BUNDLE *)((BYTE *)pModule + pModule->ne_enttab);
575 while ((ordinal < bundle->first + 1) || (ordinal > bundle->last))
576 {
577 bundle = (ET_BUNDLE *)((BYTE *)pModule + bundle->next);
578 if (!(bundle->next)) return 0;
579 }
580
581 entry = (ET_ENTRY *)((BYTE *)bundle+6);
582 for (i=0; i < (ordinal - bundle->first - 1); i++)
583 entry++;
584
585 memcpy( &entry->offs, &offset, sizeof(WORD) );
586 return TRUE;
587 }
588
589
590 /***********************************************************************
591 * build_bundle_data
592 *
593 * Build the entry table bundle data from the on-disk format. Helper for build_module.
594 */
595 static void *build_bundle_data( NE_MODULE *pModule, void *dest, const BYTE *table )
596 {
597 ET_BUNDLE *oldbundle, *bundle = dest;
598 ET_ENTRY *entry;
599 BYTE nr_entries, type;
600
601 memset(bundle, 0, sizeof(ET_BUNDLE)); /* in case no entry table exists */
602 entry = (ET_ENTRY *)((BYTE *)bundle+6);
603
604 while ((nr_entries = *table++))
605 {
606 if ((type = *table++))
607 {
608 bundle->last += nr_entries;
609 if (type == 0xff)
610 {
611 while (nr_entries--)
612 {
613 entry->type = type;
614 entry->flags = *table++;
615 table += sizeof(WORD);
616 entry->segnum = *table++;
617 entry->offs = *(WORD *)table;
618 table += sizeof(WORD);
619 entry++;
620 }
621 }
622 else
623 {
624 while (nr_entries--)
625 {
626 entry->type = type;
627 entry->flags = *table++;
628 entry->segnum = type;
629 entry->offs = *(WORD *)table;
630 table += sizeof(WORD);
631 entry++;
632 }
633 }
634 }
635 else
636 {
637 if (bundle->first == bundle->last)
638 {
639 bundle->first += nr_entries;
640 bundle->last += nr_entries;
641 }
642 else
643 {
644 oldbundle = bundle;
645 oldbundle->next = (char *)entry - (char *)pModule;
646 bundle = (ET_BUNDLE *)entry;
647 bundle->first = bundle->last = oldbundle->last + nr_entries;
648 bundle->next = 0;
649 entry = (ET_ENTRY*)(((BYTE*)entry)+sizeof(ET_BUNDLE));
650 }
651 }
652 }
653 return entry;
654 }
655
656
657 /***********************************************************************
658 * build_module
659 *
660 * Build the in-memory module from the on-disk data.
661 */
662 static HMODULE16 build_module( const void *mapping, SIZE_T mapping_size, LPCSTR path )
663 {
664 const IMAGE_DOS_HEADER *mz_header = mapping;
665 const IMAGE_OS2_HEADER *ne_header;
666 const struct ne_segment_table_entry_s *pSeg;
667 const void *ptr;
668 int i;
669 size_t size;
670 HMODULE16 hModule;
671 NE_MODULE *pModule;
672 BYTE *buffer, *pData, *end;
673 OFSTRUCT *ofs;
674
675 if (mapping_size < sizeof(*mz_header)) return ERROR_BAD_FORMAT;
676 if (mz_header->e_magic != IMAGE_DOS_SIGNATURE) return ERROR_BAD_FORMAT;
677 ne_header = (const IMAGE_OS2_HEADER *)((const char *)mapping + mz_header->e_lfanew);
678 if (mz_header->e_lfanew + sizeof(*ne_header) > mapping_size) return ERROR_BAD_FORMAT;
679 if (ne_header->ne_magic == IMAGE_NT_SIGNATURE) return 21; /* win32 exe */
680 if (ne_header->ne_magic == IMAGE_OS2_SIGNATURE_LX)
681 {
682 MESSAGE("Sorry, %s is an OS/2 linear executable (LX) file!\n", path);
683 return 12;
684 }
685 if (ne_header->ne_magic != IMAGE_OS2_SIGNATURE) return ERROR_BAD_FORMAT;
686
687 /* We now have a valid NE header */
688
689 /* check to be able to fall back to loading OS/2 programs as DOS
690 * FIXME: should this check be reversed in order to be less strict?
691 * (only fail for OS/2 ne_exetyp 0x01 here?) */
692 if ((ne_header->ne_exetyp != 0x02 /* Windows */)
693 && (ne_header->ne_exetyp != 0x04) /* Windows 386 */)
694 return ERROR_BAD_FORMAT;
695
696 size = sizeof(NE_MODULE) +
697 /* segment table */
698 ne_header->ne_cseg * sizeof(SEGTABLEENTRY) +
699 /* resource table */
700 ne_header->ne_restab - ne_header->ne_rsrctab +
701 /* resident names table */
702 ne_header->ne_modtab - ne_header->ne_restab +
703 /* module ref table */
704 ne_header->ne_cmod * sizeof(WORD) +
705 /* imported names table */
706 ne_header->ne_enttab - ne_header->ne_imptab +
707 /* entry table length */
708 ne_header->ne_cbenttab +
709 /* entry table extra conversion space */
710 sizeof(ET_BUNDLE) +
711 2 * (ne_header->ne_cbenttab - ne_header->ne_cmovent*6) +
712 /* loaded file info */
713 sizeof(OFSTRUCT) - sizeof(ofs->szPathName) + strlen(path) + 1;
714
715 hModule = GlobalAlloc16( GMEM_FIXED | GMEM_ZEROINIT, size );
716 if (!hModule) return ERROR_BAD_FORMAT;
717
718 FarSetOwner16( hModule, hModule );
719 pModule = (NE_MODULE *)GlobalLock16( hModule );
720 memcpy( pModule, ne_header, sizeof(*ne_header) );
721 pModule->count = 0;
722 /* check programs for default minimal stack size */
723 if (!(pModule->ne_flags & NE_FFLAGS_LIBMODULE) && (pModule->ne_stack < 0x1400))
724 pModule->ne_stack = 0x1400;
725
726 pModule->self = hModule;
727 pModule->mapping = mapping;
728 pModule->mapping_size = mapping_size;
729
730 pData = (BYTE *)(pModule + 1);
731
732 /* Clear internal Wine flags in case they are set in the EXE file */
733
734 pModule->ne_flags &= ~(NE_FFLAGS_BUILTIN | NE_FFLAGS_WIN32);
735
736 /* Get the segment table */
737
738 pModule->ne_segtab = pData - (BYTE *)pModule;
739 if (!(pSeg = NE_GET_DATA( pModule, mz_header->e_lfanew + ne_header->ne_segtab,
740 ne_header->ne_cseg * sizeof(struct ne_segment_table_entry_s) )))
741 goto failed;
742 for (i = ne_header->ne_cseg; i > 0; i--, pSeg++)
743 {
744 memcpy( pData, pSeg, sizeof(*pSeg) );
745 pData += sizeof(SEGTABLEENTRY);
746 }
747
748 /* Get the resource table */
749
750 if (ne_header->ne_rsrctab < ne_header->ne_restab)
751 {
752 pModule->ne_rsrctab = pData - (BYTE *)pModule;
753 if (!NE_READ_DATA( pModule, pData, mz_header->e_lfanew + ne_header->ne_rsrctab,
754 ne_header->ne_restab - ne_header->ne_rsrctab )) goto failed;
755 pData += ne_header->ne_restab - ne_header->ne_rsrctab;
756 }
757 else pModule->ne_rsrctab = 0; /* No resource table */
758
759 /* Get the resident names table */
760
761 pModule->ne_restab = pData - (BYTE *)pModule;
762 if (!NE_READ_DATA( pModule, pData, mz_header->e_lfanew + ne_header->ne_restab,
763 ne_header->ne_modtab - ne_header->ne_restab )) goto failed;
764 pData += ne_header->ne_modtab - ne_header->ne_restab;
765
766 /* Get the module references table */
767
768 if (ne_header->ne_cmod > 0)
769 {
770 pModule->ne_modtab = pData - (BYTE *)pModule;
771 if (!NE_READ_DATA( pModule, pData, mz_header->e_lfanew + ne_header->ne_modtab,
772 ne_header->ne_cmod * sizeof(WORD) )) goto failed;
773 pData += ne_header->ne_cmod * sizeof(WORD);
774 }
775 else pModule->ne_modtab = 0; /* No module references */
776
777 /* Get the imported names table */
778
779 pModule->ne_imptab = pData - (BYTE *)pModule;
780 if (!NE_READ_DATA( pModule, pData, mz_header->e_lfanew + ne_header->ne_imptab,
781 ne_header->ne_enttab - ne_header->ne_imptab )) goto failed;
782 pData += ne_header->ne_enttab - ne_header->ne_imptab;
783
784 /* Load entry table, convert it to the optimized version used by Windows */
785
786 pModule->ne_enttab = pData - (BYTE *)pModule;
787 if (!(ptr = NE_GET_DATA( pModule, mz_header->e_lfanew + ne_header->ne_enttab,
788 ne_header->ne_cbenttab ))) goto failed;
789 end = build_bundle_data( pModule, pData, ptr );
790
791 pData += ne_header->ne_cbenttab + sizeof(ET_BUNDLE) +
792 2 * (ne_header->ne_cbenttab - ne_header->ne_cmovent*6);
793
794 if (end > pData)
795 {
796 FIXME( "not enough space for entry table for %s\n", debugstr_a(path) );
797 goto failed;
798 }
799
800 /* Store the filename information */
801
802 pModule->fileinfo = pData - (BYTE *)pModule;
803 ofs = (OFSTRUCT *)pData;
804 ofs->cBytes = sizeof(OFSTRUCT) - sizeof(ofs->szPathName) + strlen(path);
805 ofs->fFixedDisk = 1;
806 strcpy( ofs->szPathName, path );
807 pData += ofs->cBytes + 1;
808 assert( (BYTE *)pModule + size <= pData );
809
810 /* Get the non-resident names table */
811
812 if (ne_header->ne_cbnrestab)
813 {
814 pModule->nrname_handle = GlobalAlloc16( 0, ne_header->ne_cbnrestab );
815 if (!pModule->nrname_handle) goto failed;
816 FarSetOwner16( pModule->nrname_handle, hModule );
817 buffer = GlobalLock16( pModule->nrname_handle );
818 if (!NE_READ_DATA( pModule, buffer, ne_header->ne_nrestab, ne_header->ne_cbnrestab ))
819 {
820 GlobalFree16( pModule->nrname_handle );
821 goto failed;
822 }
823 }
824 else pModule->nrname_handle = 0;
825
826 /* Allocate a segment for the implicitly-loaded DLLs */
827
828 if (pModule->ne_cmod)
829 {
830 pModule->dlls_to_init = GlobalAlloc16( GMEM_ZEROINIT,
831 (pModule->ne_cmod+1)*sizeof(HMODULE16) );
832 if (!pModule->dlls_to_init)
833 {
834 if (pModule->nrname_handle) GlobalFree16( pModule->nrname_handle );
835 goto failed;
836 }
837 FarSetOwner16( pModule->dlls_to_init, hModule );
838 }
839 else pModule->dlls_to_init = 0;
840
841 NE_RegisterModule( pModule );
842 return hModule;
843
844 failed:
845 GlobalFree16( hModule );
846 return ERROR_BAD_FORMAT;
847 }
848
849
850 /***********************************************************************
851 * NE_LoadDLLs
852 *
853 * Load all DLLs implicitly linked to a module.
854 */
855 static BOOL NE_LoadDLLs( NE_MODULE *pModule )
856 {
857 int i;
858 WORD *pModRef = (WORD *)((char *)pModule + pModule->ne_modtab);
859 WORD *pDLLs = (WORD *)GlobalLock16( pModule->dlls_to_init );
860
861 for (i = 0; i < pModule->ne_cmod; i++, pModRef++)
862 {
863 char buffer[260], *p;
864 BYTE *pstr = (BYTE *)pModule + pModule->ne_imptab + *pModRef;
865 memcpy( buffer, pstr + 1, *pstr );
866 *(buffer + *pstr) = 0; /* terminate it */
867
868 TRACE("Loading '%s'\n", buffer );
869 if (!(*pModRef = GetModuleHandle16( buffer )))
870 {
871 /* If the DLL is not loaded yet, load it and store */
872 /* its handle in the list of DLLs to initialize. */
873 HMODULE16 hDLL;
874
875 /* Append .DLL to name if no extension present */
876 if (!(p = strrchr( buffer, '.')) || strchr( p, '/' ) || strchr( p, '\\'))
877 strcat( buffer, ".DLL" );
878
879 if ((hDLL = MODULE_LoadModule16( buffer, TRUE, TRUE )) < 32)
880 {
881 /* FIXME: cleanup what was done */
882
883 MESSAGE( "Could not load '%s' required by '%.*s', error=%d\n",
884 buffer, *((BYTE*)pModule + pModule->ne_restab),
885 (char *)pModule + pModule->ne_restab + 1, hDLL );
886 return FALSE;
887 }
888 *pModRef = GetExePtr( hDLL );
889 *pDLLs++ = *pModRef;
890 }
891 else /* Increment the reference count of the DLL */
892 {
893 NE_MODULE *pOldDLL = NE_GetPtr( *pModRef );
894 if (pOldDLL) pOldDLL->count++;
895 }
896 }
897 return TRUE;
898 }
899
900
901 /**********************************************************************
902 * NE_DoLoadModule
903 *
904 * Load first instance of NE module from file.
905 *
906 * pModule must point to a module structure prepared by build_module.
907 * This routine must never be called twice on a module.
908 */
909 static HINSTANCE16 NE_DoLoadModule( NE_MODULE *pModule )
910 {
911 /* Allocate the segments for this module */
912
913 if (!NE_CreateAllSegments( pModule ))
914 return ERROR_NOT_ENOUGH_MEMORY; /* 8 */
915
916 /* Load the referenced DLLs */
917
918 if (!NE_LoadDLLs( pModule ))
919 return ERROR_FILE_NOT_FOUND; /* 2 */
920
921 /* Load the segments */
922
923 NE_LoadAllSegments( pModule );
924
925 /* Make sure the usage count is 1 on the first loading of */
926 /* the module, even if it contains circular DLL references */
927
928 pModule->count = 1;
929
930 return NE_GetInstance( pModule );
931 }
932
933 /**********************************************************************
934 * NE_LoadModule
935 *
936 * Load first instance of NE module. (Note: caller is responsible for
937 * ensuring the module isn't already loaded!)
938 *
939 * If the module turns out to be an executable module, only a
940 * handle to a module stub is returned; this needs to be initialized
941 * by calling NE_DoLoadModule later, in the context of the newly
942 * created process.
943 *
944 * If lib_only is TRUE, however, the module is perforce treated
945 * like a DLL module, even if it is an executable module.
946 *
947 */
948 static HINSTANCE16 NE_LoadModule( LPCSTR name, BOOL lib_only )
949 {
950 NE_MODULE *pModule;
951 HMODULE16 hModule;
952 HINSTANCE16 hInstance;
953 HFILE16 hFile;
954 OFSTRUCT ofs;
955 HANDLE mapping;
956 void *ptr;
957 MEMORY_BASIC_INFORMATION info;
958
959 /* Open file */
960 if ((hFile = OpenFile16( name, &ofs, OF_READ|OF_SHARE_DENY_WRITE )) == HFILE_ERROR16)
961 return ERROR_FILE_NOT_FOUND;
962
963 mapping = CreateFileMappingW( DosFileHandleToWin32Handle(hFile), NULL, PAGE_WRITECOPY, 0, 0, NULL );
964 _lclose16( hFile );
965 if (!mapping) return ERROR_BAD_FORMAT;
966
967 ptr = MapViewOfFile( mapping, FILE_MAP_COPY, 0, 0, 0 );
968 CloseHandle( mapping );
969 if (!ptr) return ERROR_BAD_FORMAT;
970
971 VirtualQuery( ptr, &info, sizeof(info) );
972 hModule = build_module( ptr, info.RegionSize, ofs.szPathName );
973
974 if (hModule < 32)
975 {
976 UnmapViewOfFile( ptr );
977 return hModule;
978 }
979
980 SNOOP16_RegisterDLL( hModule, ofs.szPathName );
981 NE_InitResourceHandler( hModule );
982
983 pModule = NE_GetPtr( hModule );
984
985 if ( !lib_only && !( pModule->ne_flags & NE_FFLAGS_LIBMODULE ) )
986 return hModule;
987
988 hInstance = NE_DoLoadModule( pModule );
989 if ( hInstance < 32 )
990 {
991 /* cleanup ... */
992 NE_FreeModule( hModule, 0 );
993 }
994
995 return hInstance;
996 }
997
998
999 /***********************************************************************
1000 * NE_DoLoadBuiltinModule
1001 *
1002 * Load a built-in Win16 module. Helper function for NE_LoadBuiltinModule.
1003 */
1004 static HMODULE16 NE_DoLoadBuiltinModule( const IMAGE_DOS_HEADER *mz_header, const char *file_name,
1005 HMODULE owner32 )
1006 {
1007 NE_MODULE *pModule;
1008 HMODULE16 hModule;
1009 HINSTANCE16 hInstance;
1010 OSVERSIONINFOW versionInfo;
1011 const IMAGE_OS2_HEADER *ne_header;
1012 SIZE_T mapping_size = ~0UL; /* assume builtins don't contain invalid offsets... */
1013
1014 ne_header = (const IMAGE_OS2_HEADER *)((const BYTE *)mz_header + mz_header->e_lfanew);
1015 hModule = build_module( mz_header, mapping_size, file_name );
1016 if (hModule < 32) return hModule;
1017 pModule = GlobalLock16( hModule );
1018 pModule->ne_flags |= NE_FFLAGS_BUILTIN;
1019 pModule->owner32 = owner32;
1020
1021 /* fake the expected version the module should have according to the current Windows version */
1022 versionInfo.dwOSVersionInfoSize = sizeof(versionInfo);
1023 if (GetVersionExW( &versionInfo ))
1024 pModule->ne_expver = MAKEWORD( versionInfo.dwMinorVersion, versionInfo.dwMajorVersion );
1025
1026 hInstance = NE_DoLoadModule( pModule );
1027 if (hInstance < 32) NE_FreeModule( hModule, 0 );
1028
1029 NE_InitResourceHandler( hModule );
1030
1031 if (pModule->ne_heap)
1032 {
1033 SEGTABLEENTRY *pSeg = NE_SEG_TABLE( pModule ) + pModule->ne_autodata - 1;
1034 unsigned int size = pSeg->minsize + pModule->ne_heap;
1035 if (size > 0xfffe) size = 0xfffe;
1036 LocalInit16( GlobalHandleToSel16(pSeg->hSeg), pSeg->minsize, size );
1037 }
1038
1039 patch_code_segment( pModule );
1040
1041 return hInstance;
1042 }
1043
1044
1045 /**********************************************************************
1046 * MODULE_LoadModule16
1047 *
1048 * Load a NE module in the order of the loadorder specification.
1049 * The caller is responsible that the module is not loaded already.
1050 *
1051 */
1052 static HINSTANCE16 MODULE_LoadModule16( LPCSTR libname, BOOL implicit, BOOL lib_only )
1053 {
1054 HINSTANCE16 hinst = 2;
1055 HMODULE16 hModule;
1056 HMODULE mod32 = 0;
1057 NE_MODULE *pModule;
1058 const IMAGE_DOS_HEADER *descr = NULL;
1059 const char *file_name = NULL;
1060 char dllname[20], owner[20], *p;
1061 const char *basename;
1062 int owner_exists;
1063
1064 /* strip path information */
1065
1066 basename = libname;
1067 if (basename[0] && basename[1] == ':') basename += 2; /* strip drive specification */
1068 if ((p = strrchr( basename, '\\' ))) basename = p + 1;
1069 if ((p = strrchr( basename, '/' ))) basename = p + 1;
1070
1071 if (strlen(basename) < sizeof(dllname)-4)
1072 {
1073 strcpy( dllname, basename );
1074 p = strrchr( dllname, '.' );
1075 if (!p) strcat( dllname, ".dll" );
1076 for (p = dllname; *p; p++) if (*p >= 'A' && *p <= 'Z') *p += 32;
1077
1078 if (wine_dll_get_owner( dllname, owner, sizeof(owner), &owner_exists ) != -1)
1079 {
1080 mod32 = LoadLibraryA( owner );
1081 if (mod32)
1082 {
1083 if (!(descr = find_dll_descr( dllname, &file_name )))
1084 {
1085 FreeLibrary( mod32 );
1086 owner_exists = 0;
1087 }
1088 /* loading the 32-bit library can have the side effect of loading the module */
1089 /* if so, simply incr the ref count and return the module */
1090 if ((hModule = GetModuleHandle16( libname )))
1091 {
1092 TRACE( "module %s already loaded by owner\n", libname );
1093 pModule = NE_GetPtr( hModule );
1094 if (pModule) pModule->count++;
1095 FreeLibrary( mod32 );
1096 return hModule;
1097 }
1098 }
1099 else
1100 {
1101 /* it's probably disabled by the load order config */
1102 WARN( "couldn't load owner %s for 16-bit dll %s\n", owner, dllname );
1103 return ERROR_FILE_NOT_FOUND;
1104 }
1105 }
1106 }
1107
1108 if (descr)
1109 {
1110 TRACE("Trying built-in '%s'\n", libname);
1111 hinst = NE_DoLoadBuiltinModule( descr, file_name, mod32 );
1112 if (hinst > 32) TRACE_(loaddll)("Loaded module %s : builtin\n", debugstr_a(file_name));
1113 }
1114 else
1115 {
1116 TRACE("Trying native dll '%s'\n", libname);
1117 hinst = NE_LoadModule(libname, lib_only);
1118 if (hinst > 32) TRACE_(loaddll)("Loaded module %s : native\n", debugstr_a(libname));
1119 if (hinst == ERROR_FILE_NOT_FOUND && owner_exists) hinst = 21; /* win32 module */
1120 }
1121
1122 if (hinst > 32 && !implicit)
1123 {
1124 hModule = GetModuleHandle16(libname);
1125 if(!hModule)
1126 {
1127 ERR("Serious trouble. Just loaded module '%s' (hinst=0x%04x), but can't get module handle. Filename too long ?\n",
1128 libname, hinst);
1129 return ERROR_INVALID_HANDLE;
1130 }
1131
1132 pModule = NE_GetPtr(hModule);
1133 if(!pModule)
1134 {
1135 ERR("Serious trouble. Just loaded module '%s' (hinst=0x%04x), but can't get NE_MODULE pointer\n",
1136 libname, hinst);
1137 return ERROR_INVALID_HANDLE;
1138 }
1139
1140 TRACE("Loaded module '%s' at 0x%04x.\n", libname, hinst);
1141
1142 /*
1143 * Call initialization routines for all loaded DLLs. Note that
1144 * when we load implicitly linked DLLs this will be done by InitTask().
1145 */
1146 if(pModule->ne_flags & NE_FFLAGS_LIBMODULE)
1147 {
1148 NE_InitializeDLLs(hModule);
1149 NE_DllProcessAttach(hModule);
1150 }
1151 }
1152 return hinst; /* The last error that occurred */
1153 }
1154
1155
1156 /**********************************************************************
1157 * NE_CreateThread
1158 *
1159 * Create the thread for a 16-bit module.
1160 */
1161 static HINSTANCE16 NE_CreateThread( NE_MODULE *pModule, WORD cmdShow, LPCSTR cmdline )
1162 {
1163 HANDLE hThread;
1164 TDB *pTask;
1165 HTASK16 hTask;
1166 HINSTANCE16 instance = 0;
1167
1168 if (!(hTask = TASK_SpawnTask( pModule, cmdShow, cmdline + 1, *cmdline, &hThread )))
1169 return 0;
1170
1171 /* Post event to start the task */
1172 PostEvent16( hTask );
1173
1174 /* Wait until we get the instance handle */
1175 do
1176 {
1177 DirectedYield16( hTask );
1178 if (!IsTask16( hTask )) /* thread has died */
1179 {
1180 DWORD exit_code;
1181 WaitForSingleObject( hThread, INFINITE );
1182 GetExitCodeThread( hThread, &exit_code );
1183 CloseHandle( hThread );
1184 return exit_code;
1185 }
1186 if (!(pTask = GlobalLock16( hTask ))) break;
1187 instance = pTask->hInstance;
1188 GlobalUnlock16( hTask );
1189 } while (!instance);
1190
1191 CloseHandle( hThread );
1192 return instance;
1193 }
1194
1195
1196 /**********************************************************************
1197 * LoadModule (KERNEL.45)
1198 */
1199 HINSTANCE16 WINAPI LoadModule16( LPCSTR name, LPVOID paramBlock )
1200 {
1201 BOOL lib_only = !paramBlock || (paramBlock == (LPVOID)-1);
1202 LOADPARAMS16 *params;
1203 HMODULE16 hModule;
1204 NE_MODULE *pModule;
1205 LPSTR cmdline;
1206 WORD cmdShow;
1207
1208 if (name == NULL) return 0;
1209
1210 /* Load module */
1211
1212 if ( (hModule = NE_GetModuleByFilename(name) ) != 0 )
1213 {
1214 /* Special case: second instance of an already loaded NE module */
1215
1216 if ( !( pModule = NE_GetPtr( hModule ) ) ) return ERROR_BAD_FORMAT;
1217 if ( pModule->module32 ) return (HINSTANCE16)21;
1218
1219 /* Increment refcount */
1220
1221 pModule->count++;
1222 }
1223 else
1224 {
1225 /* Main case: load first instance of NE module */
1226
1227 if ( (hModule = MODULE_LoadModule16( name, FALSE, lib_only )) < 32 )
1228 return hModule;
1229
1230 if ( !(pModule = NE_GetPtr( hModule )) )
1231 return ERROR_BAD_FORMAT;
1232 }
1233
1234 /* If library module, we just retrieve the instance handle */
1235
1236 if ( ( pModule->ne_flags & NE_FFLAGS_LIBMODULE ) || lib_only )
1237 return NE_GetInstance( pModule );
1238
1239 /*
1240 * At this point, we need to create a new process.
1241 *
1242 * pModule points either to an already loaded module, whose refcount
1243 * has already been incremented (to avoid having the module vanish
1244 * in the meantime), or else to a stub module which contains only header
1245 * information.
1246 */
1247 params = (LOADPARAMS16 *)paramBlock;
1248 cmdShow = ((WORD *)MapSL(params->showCmd))[1];
1249 cmdline = MapSL( params->cmdLine );
1250 return NE_CreateThread( pModule, cmdShow, cmdline );
1251 }
1252
1253
1254 /**********************************************************************
1255 * NE_StartTask
1256 *
1257 * Startup code for a new 16-bit task.
1258 */
1259 DWORD NE_StartTask(void)
1260 {
1261 TDB *pTask = TASK_GetCurrent();
1262 NE_MODULE *pModule = NE_GetPtr( pTask->hModule );
1263 HINSTANCE16 hInstance, hPrevInstance;
1264 SEGTABLEENTRY *pSegTable = NE_SEG_TABLE( pModule );
1265 WORD sp;
1266
1267 if ( pModule->count > 0 )
1268 {
1269 /* Second instance of an already loaded NE module */
1270 /* Note that the refcount was already incremented by the parent */
1271
1272 hPrevInstance = NE_GetInstance( pModule );
1273
1274 if ( pModule->ne_autodata )
1275 if ( NE_CreateSegment( pModule, pModule->ne_autodata ) )
1276 NE_LoadSegment( pModule, pModule->ne_autodata );
1277
1278 hInstance = NE_GetInstance( pModule );
1279 TRACE("created second instance %04x[%d] of instance %04x.\n", hInstance, pModule->ne_autodata, hPrevInstance);
1280
1281 }
1282 else
1283 {
1284 /* Load first instance of NE module */
1285
1286 pModule->ne_flags |= NE_FFLAGS_GUI; /* FIXME: is this necessary? */
1287
1288 hInstance = NE_DoLoadModule( pModule );
1289 hPrevInstance = 0;
1290 }
1291
1292 if ( hInstance >= 32 )
1293 {
1294 CONTEXT86 context;
1295
1296 /* Enter instance handles into task struct */
1297
1298 pTask->hInstance = hInstance;
1299 pTask->hPrevInstance = hPrevInstance;
1300
1301 /* Use DGROUP for 16-bit stack */
1302
1303 if (!(sp = OFFSETOF(pModule->ne_sssp)))
1304 sp = pSegTable[SELECTOROF(pModule->ne_sssp)-1].minsize + pModule->ne_stack;
1305 sp &= ~1;
1306 sp -= sizeof(STACK16FRAME);
1307 NtCurrentTeb()->WOW32Reserved = (void *)MAKESEGPTR( GlobalHandleToSel16(hInstance), sp );
1308
1309 /* Registers at initialization must be:
1310 * ax zero
1311 * bx stack size in bytes
1312 * cx heap size in bytes
1313 * si previous app instance
1314 * di current app instance
1315 * bp zero
1316 * es selector to the PSP
1317 * ds dgroup of the application
1318 * ss stack selector
1319 * sp top of the stack
1320 */
1321 memset( &context, 0, sizeof(context) );
1322 context.SegCs = GlobalHandleToSel16(pSegTable[SELECTOROF(pModule->ne_csip) - 1].hSeg);
1323 context.SegDs = GlobalHandleToSel16(pTask->hInstance);
1324 context.SegEs = pTask->hPDB;
1325 context.SegFs = wine_get_fs();
1326 context.SegGs = wine_get_gs();
1327 context.Eip = OFFSETOF(pModule->ne_csip);
1328 context.Ebx = pModule->ne_stack;
1329 context.Ecx = pModule->ne_heap;
1330 context.Edi = pTask->hInstance;
1331 context.Esi = pTask->hPrevInstance;
1332
1333 /* Now call 16-bit entry point */
1334
1335 TRACE("Starting main program: cs:ip=%04lx:%04lx ds=%04lx ss:sp=%04x:%04x\n",
1336 context.SegCs, context.Eip, context.SegDs,
1337 SELECTOROF(NtCurrentTeb()->WOW32Reserved),
1338 OFFSETOF(NtCurrentTeb()->WOW32Reserved) );
1339
1340 WOWCallback16Ex( 0, WCB16_REGS, 0, NULL, (DWORD *)&context );
1341 ExitThread( LOWORD(context.Eax) );
1342 }
1343 return hInstance; /* error code */
1344 }
1345
1346 /***********************************************************************
1347 * LoadLibrary (KERNEL.95)
1348 * LoadLibrary16 (KERNEL32.35)
1349 */
1350 HINSTANCE16 WINAPI LoadLibrary16( LPCSTR libname )
1351 {
1352 return LoadModule16(libname, (LPVOID)-1 );
1353 }
1354
1355
1356 /**********************************************************************
1357 * MODULE_CallWEP
1358 *
1359 * Call a DLL's WEP, allowing it to shut down.
1360 * FIXME: we always pass the WEP WEP_FREE_DLL, never WEP_SYSTEM_EXIT
1361 */
1362 static BOOL16 MODULE_CallWEP( HMODULE16 hModule )
1363 {
1364 BOOL16 ret;
1365 FARPROC16 WEP = GetProcAddress16( hModule, "WEP" );
1366 if (!WEP) return FALSE;
1367
1368 __TRY
1369 {
1370 WORD args[1];
1371 DWORD dwRet;
1372
1373 args[0] = WEP_FREE_DLL;
1374 WOWCallback16Ex( (DWORD)WEP, WCB16_PASCAL, sizeof(args), args, &dwRet );
1375 ret = LOWORD(dwRet);
1376 }
1377 __EXCEPT(page_fault)
1378 {
1379 WARN("Page fault\n");
1380 ret = 0;
1381 }
1382 __ENDTRY
1383
1384 return ret;
1385 }
1386
1387
1388 /**********************************************************************
1389 * NE_FreeModule
1390 *
1391 * Implementation of FreeModule16().
1392 */
1393 static BOOL16 NE_FreeModule( HMODULE16 hModule, BOOL call_wep )
1394 {
1395 HMODULE16 *hPrevModule;
1396 NE_MODULE *pModule;
1397 HMODULE16 *pModRef;
1398 int i;
1399
1400 if (!(pModule = NE_GetPtr( hModule ))) return FALSE;
1401 hModule = pModule->self;
1402
1403 TRACE("%04x count %d\n", hModule, pModule->count );
1404
1405 if (((INT16)(--pModule->count)) > 0 ) return TRUE;
1406 else pModule->count = 0;
1407
1408 if (call_wep && !(pModule->ne_flags & NE_FFLAGS_WIN32))
1409 {
1410 /* Free the objects owned by the DLL module */
1411 NE_CallUserSignalProc( hModule, USIG16_DLL_UNLOAD );
1412
1413 if (pModule->ne_flags & NE_FFLAGS_LIBMODULE)
1414 MODULE_CallWEP( hModule );
1415 else
1416 call_wep = FALSE; /* We are freeing a task -> no more WEPs */
1417 }
1418
1419 TRACE_(loaddll)("Unloaded module %s : %s\n", debugstr_a(NE_MODULE_NAME(pModule)),
1420 (pModule->ne_flags & NE_FFLAGS_BUILTIN) ? "builtin" : "native");
1421
1422 /* Clear magic number just in case */
1423
1424 pModule->ne_magic = pModule->self = 0;
1425 if (pModule->owner32) FreeLibrary( pModule->owner32 );
1426 else if (pModule->mapping) UnmapViewOfFile( (void *)pModule->mapping );
1427
1428 /* Remove it from the linked list */
1429
1430 hPrevModule = &hFirstModule;
1431 while (*hPrevModule && (*hPrevModule != hModule))
1432 {
1433 hPrevModule = &(NE_GetPtr( *hPrevModule ))->next;
1434 }
1435 if (*hPrevModule) *hPrevModule = pModule->next;
1436
1437 /* Free the referenced modules */
1438
1439 pModRef = (HMODULE16*)((char *)pModule + pModule->ne_modtab);
1440 for (i = 0; i < pModule->ne_cmod; i++, pModRef++)
1441 {
1442 NE_FreeModule( *pModRef, call_wep );
1443 }
1444
1445 /* Free the module storage */
1446
1447 GlobalFreeAll16( hModule );
1448 return TRUE;
1449 }
1450
1451
1452 /**********************************************************************
1453 * FreeModule (KERNEL.46)
1454 */
1455 BOOL16 WINAPI FreeModule16( HMODULE16 hModule )
1456 {
1457 return NE_FreeModule( hModule, TRUE );
1458 }
1459
1460
1461 /***********************************************************************
1462 * FreeLibrary (KERNEL.96)
1463 * FreeLibrary16 (KERNEL32.36)
1464 */
1465 void WINAPI FreeLibrary16( HINSTANCE16 handle )
1466 {
1467 TRACE("%04x\n", handle );
1468 FreeModule16( handle );
1469 }
1470
1471
1472 /***********************************************************************
1473 * GetModuleHandle16 (KERNEL32.@)
1474 */
1475 HMODULE16 WINAPI GetModuleHandle16( LPCSTR name )
1476 {
1477 HMODULE16 hModule = hFirstModule;
1478 LPSTR s;
1479 BYTE len, *name_table;
1480 char tmpstr[MAX_PATH];
1481 NE_MODULE *pModule;
1482
1483 TRACE("(%s)\n", name);
1484
1485 if (!HIWORD(name)) return GetExePtr(LOWORD(name));
1486
1487 len = strlen(name);
1488 if (!len) return 0;
1489
1490 lstrcpynA(tmpstr, name, sizeof(tmpstr));
1491
1492 /* If 'name' matches exactly the module name of a module:
1493 * Return its handle.
1494 */
1495 for (hModule = hFirstModule; hModule ; hModule = pModule->next)
1496 {
1497 pModule = NE_GetPtr( hModule );
1498 if (!pModule) break;
1499 if (pModule->ne_flags & NE_FFLAGS_WIN32) continue;
1500
1501 name_table = (BYTE *)pModule + pModule->ne_restab;
1502 if ((*name_table == len) && !strncmp(name, (char*) name_table+1, len))
1503 return hModule;
1504 }
1505
1506 /* If uppercased 'name' matches exactly the module name of a module:
1507 * Return its handle
1508 */
1509 for (s = tmpstr; *s; s++) *s = RtlUpperChar(*s);
1510
1511 for (hModule = hFirstModule; hModule ; hModule = pModule->next)
1512 {
1513 pModule = NE_GetPtr( hModule );
1514 if (!pModule) break;
1515 if (pModule->ne_flags & NE_FFLAGS_WIN32) continue;
1516
1517 name_table = (BYTE *)pModule + pModule->ne_restab;
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
1523 */
1524 if ((*name_table == len) && !NE_strncasecmp(tmpstr, (const char*)name_table+1, len))
1525 return hModule;
1526 }
1527
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.
1531 */
1532
1533 /* basename: search backwards in passed name to \ / or : */
1534 s = tmpstr + strlen(tmpstr);
1535 while (s > tmpstr)
1536 {
1537 if (s[-1]=='/' || s[-1]=='\\' || s[-1]==':')
1538 break;
1539 s--;
1540 }
1541
1542 /* search this in loaded filename list */
1543 for (hModule = hFirstModule; hModule ; hModule = pModule->next)
1544 {
1545 char *loadedfn;
1546 OFSTRUCT *ofs;
1547
1548 pModule = NE_GetPtr( hModule );
1549 if (!pModule) break;
1550 if (!pModule->fileinfo) continue;
1551 if (pModule->ne_flags & NE_FFLAGS_WIN32) continue;
1552
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)
1557 {
1558 if (loadedfn[-1]=='/' || loadedfn[-1]=='\\' || loadedfn[-1]==':')
1559 break;
1560 loadedfn--;
1561 }
1562 /* case insensitive compare ... */
1563 if (!NE_strcasecmp(loadedfn, s))
1564 return hModule;
1565 }
1566 return 0;
1567 }
1568
1569
1570 /**********************************************************************
1571 * GetModuleName (KERNEL.27)
1572 */
1573 BOOL16 WINAPI GetModuleName16( HINSTANCE16 hinst, LPSTR buf, INT16 count )
1574 {
1575 NE_MODULE *pModule;
1576 BYTE *p;
1577
1578 if (!(pModule = NE_GetPtr( hinst ))) return FALSE;
1579 p = (BYTE *)pModule + pModule->ne_restab;
1580 if (count > *p) count = *p + 1;
1581 if (count > 0)
1582 {
1583 memcpy( buf, p + 1, count - 1 );
1584 buf[count-1] = '\0';
1585 }
1586 return TRUE;
1587 }
1588
1589
1590 /**********************************************************************
1591 * GetModuleFileName (KERNEL.49)
1592 *
1593 * Comment: see GetModuleFileNameA
1594 *
1595 * Even if invoked by second instance of a program,
1596 * it still returns path of first one.
1597 */
1598 INT16 WINAPI GetModuleFileName16( HINSTANCE16 hModule, LPSTR lpFileName,
1599 INT16 nSize )
1600 {
1601 NE_MODULE *pModule;
1602
1603 /* Win95 does not query hModule if set to 0 !
1604 * Is this wrong or maybe Win3.1 only ? */
1605 if (!hModule) hModule = GetCurrentTask();
1606
1607 if (!(pModule = NE_GetPtr( hModule ))) return 0;
1608 lstrcpynA( lpFileName, NE_MODULE_NAME(pModule), nSize );
1609 if (pModule->ne_expver < 0x400)
1610 GetShortPathNameA(NE_MODULE_NAME(pModule), lpFileName, nSize);
1611 TRACE("%04x -> '%s'\n", hModule, lpFileName );
1612 return strlen(lpFileName);
1613 }
1614
1615
1616 /**********************************************************************
1617 * GetModuleUsage (KERNEL.48)
1618 */
1619 INT16 WINAPI GetModuleUsage16( HINSTANCE16 hModule )
1620 {
1621 NE_MODULE *pModule = NE_GetPtr( hModule );
1622 return pModule ? pModule->count : 0;
1623 }
1624
1625
1626 /**********************************************************************
1627 * GetExpWinVer (KERNEL.167)
1628 */
1629 WORD WINAPI GetExpWinVer16( HMODULE16 hModule )
1630 {
1631 NE_MODULE *pModule = NE_GetPtr( hModule );
1632 if ( !pModule ) return 0;
1633 return pModule->ne_expver;
1634 }
1635
1636
1637 /***********************************************************************
1638 * WinExec (KERNEL.166)
1639 */
1640 HINSTANCE16 WINAPI WinExec16( LPCSTR lpCmdLine, UINT16 nCmdShow )
1641 {
1642 LPCSTR p, args = NULL;
1643 LPCSTR name_beg, name_end;
1644 LPSTR name, cmdline;
1645 int arglen;
1646 HINSTANCE16 ret;
1647 char buffer[MAX_PATH];
1648
1649 if (*lpCmdLine == '"') /* has to be only one and only at beginning ! */
1650 {
1651 name_beg = lpCmdLine+1;
1652 p = strchr ( lpCmdLine+1, '"' );
1653 if (p)
1654 {
1655 name_end = p;
1656 args = strchr ( p, ' ' );
1657 }
1658 else /* yes, even valid with trailing '"' missing */
1659 name_end = lpCmdLine+strlen(lpCmdLine);
1660 }
1661 else
1662 {
1663 name_beg = lpCmdLine;
1664 args = strchr( lpCmdLine, ' ' );
1665 name_end = args ? args : lpCmdLine+strlen(lpCmdLine);
1666 }
1667
1668 if ((name_beg == lpCmdLine) && (!args))
1669 { /* just use the original cmdline string as file name */
1670 name = (LPSTR)lpCmdLine;
1671 }
1672 else
1673 {
1674 if (!(name = HeapAlloc( GetProcessHeap(), 0, name_end - name_beg + 1 )))
1675 return ERROR_NOT_ENOUGH_MEMORY;
1676 memcpy( name, name_beg, name_end - name_beg );
1677 name[name_end - name_beg] = '\0';
1678 }
1679
1680 if (args)
1681 {
1682 args++;
1683 arglen = strlen(args);
1684 cmdline = HeapAlloc( GetProcessHeap(), 0, 2 + arglen );
1685 cmdline[0] = (BYTE)arglen;
1686 strcpy( cmdline + 1, args );
1687 }
1688 else
1689 {
1690 cmdline = HeapAlloc( GetProcessHeap(), 0, 2 );
1691 cmdline[0] = cmdline[1] = 0;
1692 }
1693
1694 TRACE("name: '%s', cmdline: '%.*s'\n", name, cmdline[0], &cmdline[1]);
1695
1696 if (SearchPathA( NULL, name, ".exe", sizeof(buffer), buffer, NULL ))
1697 {
1698 LOADPARAMS16 params;
1699 WORD showCmd[2];
1700 showCmd[0] = 2;
1701 showCmd[1] = nCmdShow;
1702
1703 params.hEnvironment = 0;
1704 params.cmdLine = MapLS( cmdline );
1705 params.showCmd = MapLS( showCmd );
1706 params.reserved = 0;
1707
1708 ret = LoadModule16( buffer, &params );
1709 UnMapLS( params.cmdLine );
1710 UnMapLS( params.showCmd );
1711 }
1712 else ret = GetLastError();
1713
1714 HeapFree( GetProcessHeap(), 0, cmdline );
1715 if (name != lpCmdLine) HeapFree( GetProcessHeap(), 0, name );
1716
1717 if (ret == 21 || ret == ERROR_BAD_FORMAT) /* 32-bit module or unknown executable*/
1718 {
1719 DWORD count;
1720 ReleaseThunkLock( &count );
1721 ret = LOWORD( WinExec( lpCmdLine, nCmdShow ) );
1722 RestoreThunkLock( count );
1723 }
1724 return ret;
1725 }
1726
1727 /***********************************************************************
1728 * GetProcAddress (KERNEL.50)
1729 */
1730 FARPROC16 WINAPI GetProcAddress16( HMODULE16 hModule, LPCSTR name )
1731 {
1732 WORD ordinal;
1733 FARPROC16 ret;
1734
1735 if (!hModule) hModule = GetCurrentTask();
1736 hModule = GetExePtr( hModule );
1737
1738 if (HIWORD(name) != 0)
1739 {
1740 ordinal = NE_GetOrdinal( hModule, name );
1741 TRACE("%04x '%s'\n", hModule, name );
1742 }
1743 else
1744 {
1745 ordinal = LOWORD(name);
1746 TRACE("%04x %04x\n", hModule, ordinal );
1747 }
1748 if (!ordinal) return (FARPROC16)0;
1749
1750 ret = NE_GetEntryPoint( hModule, ordinal );
1751
1752 TRACE("returning %p\n", ret );
1753 return ret;
1754 }
1755
1756
1757 /***************************************************************************
1758 * HasGPHandler (KERNEL.338)
1759 */
1760 SEGPTR WINAPI HasGPHandler16( SEGPTR address )
1761 {
1762 HMODULE16 hModule;
1763 int gpOrdinal;
1764 SEGPTR gpPtr;
1765 GPHANDLERDEF *gpHandler;
1766
1767 if ( (hModule = FarGetOwner16( SELECTOROF(address) )) != 0
1768 && (gpOrdinal = NE_GetOrdinal( hModule, "__GP" )) != 0
1769 && (gpPtr = (SEGPTR)NE_GetEntryPointEx( hModule, gpOrdinal, FALSE )) != 0
1770 && !IsBadReadPtr16( gpPtr, sizeof(GPHANDLERDEF) )
1771 && (gpHandler = MapSL( gpPtr )) != NULL )
1772 {
1773 while (gpHandler->selector)
1774 {
1775 if ( SELECTOROF(address) == gpHandler->selector
1776 && OFFSETOF(address) >= gpHandler->rangeStart
1777 && OFFSETOF(address) < gpHandler->rangeEnd )
1778 return MAKESEGPTR( gpHandler->selector, gpHandler->handler );
1779 gpHandler++;
1780 }
1781 }
1782
1783 return 0;
1784 }
1785
1786
1787 /**********************************************************************
1788 * GetModuleHandle (KERNEL.47)
1789 *
1790 * Find a module from a module name.
1791 *
1792 * NOTE: The current implementation works the same way the Windows 95 one
1793 * does. Do not try to 'fix' it, fix the callers.
1794 * + It does not do ANY extension handling (except that strange .EXE bit)!
1795 * + It does not care about paths, just about basenames. (same as Windows)
1796 *
1797 * RETURNS
1798 * LOWORD:
1799 * the win16 module handle if found
1800 * 0 if not
1801 * HIWORD (undocumented, see "Undocumented Windows", chapter 5):
1802 * Always hFirstModule
1803 */
1804 DWORD WINAPI WIN16_GetModuleHandle( SEGPTR name )
1805 {
1806 if (HIWORD(name) == 0)
1807 return MAKELONG(GetExePtr( (HINSTANCE16)name), hFirstModule );
1808 return MAKELONG(GetModuleHandle16( MapSL(name)), hFirstModule );
1809 }
1810
1811 /**********************************************************************
1812 * NE_GetModuleByFilename
1813 */
1814 static HMODULE16 NE_GetModuleByFilename( LPCSTR name )
1815 {
1816 HMODULE16 hModule;
1817 LPSTR s, p;
1818 BYTE len, *name_table;
1819 char tmpstr[MAX_PATH];
1820 NE_MODULE *pModule;
1821
1822 lstrcpynA(tmpstr, name, sizeof(tmpstr));
1823
1824 /* If the base filename of 'name' matches the base filename of the module
1825 * filename of some module (case-insensitive compare):
1826 * Return its handle.
1827 */
1828
1829 /* basename: search backwards in passed name to \ / or : */
1830 s = tmpstr + strlen(tmpstr);
1831 while (s > tmpstr)
1832 {
1833 if (s[-1]=='/' || s[-1]=='\\' || s[-1]==':')
1834 break;
1835 s--;
1836 }
1837
1838 /* search this in loaded filename list */
1839 for (hModule = hFirstModule; hModule ; hModule = pModule->next)
1840 {
1841 char *loadedfn;
1842 OFSTRUCT *ofs;
1843
1844 pModule = NE_GetPtr( hModule );
1845 if (!pModule) break;
1846 if (!pModule->fileinfo) continue;
1847 if (pModule->ne_flags & NE_FFLAGS_WIN32) continue;
1848
1849 ofs = (OFSTRUCT*)((BYTE *)pModule + pModule->fileinfo);
1850 loadedfn = ((char*)ofs->szPathName) + strlen(ofs->szPathName);
1851 /* basename: search backwards in pathname to \ / or : */
1852 while (loadedfn > (char*)ofs->szPathName)
1853 {
1854 if (loadedfn[-1]=='/' || loadedfn[-1]=='\\' || loadedfn[-1]==':')
1855 break;
1856 loadedfn--;
1857 }
1858 /* case insensitive compare ... */
1859 if (!NE_strcasecmp(loadedfn, s))
1860 return hModule;
1861 }
1862 /* If basename (without ext) matches the module name of a module:
1863 * Return its handle.
1864 */
1865
1866 if ( (p = strrchr( s, '.' )) != NULL ) *p = '\0';
1867 len = strlen(s);
1868
1869 for (hModule = hFirstModule; hModule ; hModule = pModule->next)
1870 {
1871 pModule = NE_GetPtr( hModule );
1872 if (!pModule) break;
1873 if (pModule->ne_flags & NE_FFLAGS_WIN32) continue;
1874
1875 name_table = (BYTE *)pModule + pModule->ne_restab;
1876 if ((*name_table == len) && !NE_strncasecmp(s, (const char*)name_table+1, len))
1877 return hModule;
1878 }
1879
1880 return 0;
1881 }
1882
1883 /***********************************************************************
1884 * GetProcAddress16 (KERNEL32.37)
1885 * Get procaddress in 16bit module from win32... (kernel32 undoc. ordinal func)
1886 */
1887 FARPROC16 WINAPI WIN32_GetProcAddress16( HMODULE hModule, LPCSTR name )
1888 {
1889 if (!hModule) return 0;
1890 if (HIWORD(hModule))
1891 {
1892 WARN("hModule is Win32 handle (%p)\n", hModule );
1893 return 0;
1894 }
1895 return GetProcAddress16( LOWORD(hModule), name );
1896 }
1897
1898 /**********************************************************************
1899 * ModuleFirst (TOOLHELP.59)
1900 */
1901 BOOL16 WINAPI ModuleFirst16( MODULEENTRY *lpme )
1902 {
1903 lpme->wNext = hFirstModule;
1904 return ModuleNext16( lpme );
1905 }
1906
1907
1908 /**********************************************************************
1909 * ModuleNext (TOOLHELP.60)
1910 */
1911 BOOL16 WINAPI ModuleNext16( MODULEENTRY *lpme )
1912 {
1913 NE_MODULE *pModule;
1914 char *name;
1915
1916 if (!lpme->wNext) return FALSE;
1917 if (!(pModule = NE_GetPtr( lpme->wNext ))) return FALSE;
1918 name = (char *)pModule + pModule->ne_restab;
1919 memcpy( lpme->szModule, name + 1, min(*name, MAX_MODULE_NAME) );
1920 lpme->szModule[min(*name, MAX_MODULE_NAME)] = '\0';
1921 lpme->hModule = lpme->wNext;
1922 lpme->wcUsage = pModule->count;
1923 lstrcpynA( lpme->szExePath, NE_MODULE_NAME(pModule), sizeof(lpme->szExePath) );
1924 lpme->wNext = pModule->next;
1925 return TRUE;
1926 }
1927
1928
1929 /**********************************************************************
1930 * ModuleFindName (TOOLHELP.61)
1931 */
1932 BOOL16 WINAPI ModuleFindName16( MODULEENTRY *lpme, LPCSTR name )
1933 {
1934 lpme->wNext = GetModuleHandle16( name );
1935 return ModuleNext16( lpme );
1936 }
1937
1938
1939 /**********************************************************************
1940 * ModuleFindHandle (TOOLHELP.62)
1941 */
1942 BOOL16 WINAPI ModuleFindHandle16( MODULEENTRY *lpme, HMODULE16 hModule )
1943 {
1944 hModule = GetExePtr( hModule );
1945 lpme->wNext = hModule;
1946 return ModuleNext16( lpme );
1947 }
1948
1949
1950 /***************************************************************************
1951 * IsRomModule (KERNEL.323)
1952 */
1953 BOOL16 WINAPI IsRomModule16( HMODULE16 unused )
1954 {
1955 return FALSE;
1956 }
1957
1958 /***************************************************************************
1959 * IsRomFile (KERNEL.326)
1960 */
1961 BOOL16 WINAPI IsRomFile16( HFILE16 unused )
1962 {
1963 return FALSE;
1964 }
1965
1966 /***********************************************************************
1967 * create_dummy_module
1968 *
1969 * Create a dummy NE module for Win32 or Winelib.
1970 */
1971 static HMODULE16 create_dummy_module( HMODULE module32 )
1972 {
1973 HMODULE16 hModule;
1974 NE_MODULE *pModule;
1975 SEGTABLEENTRY *pSegment;
1976 char *pStr,*s;
1977 unsigned int len;
1978 const char* basename;
1979 OFSTRUCT *ofs;
1980 int of_size, size;
1981 char filename[MAX_PATH];
1982 IMAGE_NT_HEADERS *nt = RtlImageNtHeader( module32 );
1983
1984 if (!nt) return ERROR_BAD_FORMAT;
1985
1986 /* Extract base filename */
1987 len = GetModuleFileNameA( module32, filename, sizeof(filename) );
1988 if (!len || len >= sizeof(filename)) return ERROR_BAD_FORMAT;
1989 basename = strrchr(filename, '\\');
1990 if (!basename) basename = filename;
1991 else basename++;
1992 len = strlen(basename);
1993 if ((s = strchr(basename, '.'))) len = s - basename;
1994
1995 /* Allocate module */
1996 of_size = sizeof(OFSTRUCT) - sizeof(ofs->szPathName)
1997 + strlen(filename) + 1;
1998 size = sizeof(NE_MODULE) +
1999 /* loaded file info */
2000 ((of_size + 3) & ~3) +
2001 /* segment table: DS,CS */
2002 2 * sizeof(SEGTABLEENTRY) +
2003 /* name table */
2004 len + 2 +
2005 /* several empty tables */
2006 8;
2007
2008 hModule = GlobalAlloc16( GMEM_MOVEABLE | GMEM_ZEROINIT, size );
2009 if (!hModule) return ERROR_BAD_FORMAT;
2010
2011 FarSetOwner16( hModule, hModule );
2012 pModule = (NE_MODULE *)GlobalLock16( hModule );
2013
2014 /* Set all used entries */
2015 pModule->ne_magic = IMAGE_OS2_SIGNATURE;
2016 pModule->count = 1;
2017 pModule->next = 0;
2018 pModule->ne_flags = NE_FFLAGS_WIN32;
2019 pModule->ne_autodata = 0;
2020 pModule->ne_sssp = MAKESEGPTR( 0, 1 );
2021 pModule->ne_csip = MAKESEGPTR( 0, 2 );
2022 pModule->ne_heap = 0;
2023 pModule->ne_stack = 0;
2024 pModule->ne_cseg = 2;
2025 pModule->ne_cmod = 0;
2026 pModule->ne_cbnrestab = 0;
2027 pModule->fileinfo = sizeof(NE_MODULE);
2028 pModule->ne_exetyp = NE_OSFLAGS_WINDOWS;
2029 pModule->self = hModule;
2030 pModule->module32 = module32;
2031
2032 /* Set version and flags */
2033 pModule->ne_expver = ((nt->OptionalHeader.MajorSubsystemVersion & 0xff) << 8 ) |
2034 (nt->OptionalHeader.MinorSubsystemVersion & 0xff);
2035 if (nt->FileHeader.Characteristics & IMAGE_FILE_DLL)
2036 pModule->ne_flags |= NE_FFLAGS_LIBMODULE | NE_FFLAGS_SINGLEDATA;
2037
2038 /* Set loaded file information */
2039 ofs = (OFSTRUCT *)(pModule + 1);
2040 memset( ofs, 0, of_size );
2041 ofs->cBytes = of_size < 256 ? of_size : 255; /* FIXME */
2042 strcpy( ofs->szPathName, filename );
2043
2044 pSegment = (SEGTABLEENTRY*)((char*)(pModule + 1) + ((of_size + 3) & ~3));
2045 pModule->ne_segtab = (char *)pSegment - (char *)pModule;
2046 /* Data segment */
2047 pSegment->size = 0;
2048 pSegment->flags = NE_SEGFLAGS_DATA;
2049 pSegment->minsize = 0x1000;
2050 pSegment++;
2051 /* Code segment */
2052 pSegment->flags = 0;
2053 pSegment++;
2054
2055 /* Module name */
2056 pStr = (char *)pSegment;
2057 pModule->ne_restab = pStr - (char *)pModule;
2058 assert(len<256);
2059 *pStr = len;
2060 lstrcpynA( pStr+1, basename, len+1 );
2061 pStr += len+2;
2062
2063 /* All tables zero terminated */
2064 pModule->ne_rsrctab = pModule->ne_imptab = pModule->ne_enttab = (char *)pStr - (char *)pModule;
2065
2066 NE_RegisterModule( pModule );
2067 pModule->owner32 = LoadLibraryA( filename ); /* increment the ref count of the 32-bit module */
2068 return hModule;
2069 }
2070
2071 /***********************************************************************
2072 * PrivateLoadLibrary (KERNEL32.@)
2073 *
2074 * FIXME: rough guesswork, don't know what "Private" means
2075 */
2076 HINSTANCE16 WINAPI PrivateLoadLibrary(LPCSTR libname)
2077 {
2078 return LoadLibrary16(libname);
2079 }
2080
2081 /***********************************************************************
2082 * PrivateFreeLibrary (KERNEL32.@)
2083 *
2084 * FIXME: rough guesswork, don't know what "Private" means
2085 */
2086 void WINAPI PrivateFreeLibrary(HINSTANCE16 handle)
2087 {
2088 FreeLibrary16(handle);
2089 }
2090
2091 /***********************************************************************
2092 * LoadLibrary32 (KERNEL.452)
2093 * LoadSystemLibrary32 (KERNEL.482)
2094 */
2095 HMODULE WINAPI LoadLibrary32_16( LPCSTR libname )
2096 {
2097 HMODULE hModule;
2098 DWORD count;
2099
2100 ReleaseThunkLock( &count );
2101 hModule = LoadLibraryA( libname );
2102 RestoreThunkLock( count );
2103 return hModule;
2104 }
2105
2106 /***************************************************************************
2107 * MapHModuleLS (KERNEL32.@)
2108 */
2109 HMODULE16 WINAPI MapHModuleLS(HMODULE hmod)
2110 {
2111 HMODULE16 ret;
2112 NE_MODULE *pModule;
2113
2114 if (!hmod)
2115 return TASK_GetCurrent()->hInstance;
2116 if (!HIWORD(hmod))
2117 return LOWORD(hmod); /* we already have a 16 bit module handle */
2118 pModule = (NE_MODULE*)GlobalLock16(hFirstModule);
2119 while (pModule) {
2120 if (pModule->module32 == hmod)
2121 return pModule->self;
2122 pModule = (NE_MODULE*)GlobalLock16(pModule->next);
2123 }
2124 if ((ret = create_dummy_module( hmod )) < 32)
2125 {
2126 SetLastError(ret);
2127 ret = 0;
2128 }
2129 return ret;
2130 }
2131
2132 /***************************************************************************
2133 * MapHModuleSL (KERNEL32.@)
2134 */
2135 HMODULE WINAPI MapHModuleSL(HMODULE16 hmod)
2136 {
2137 NE_MODULE *pModule;
2138
2139 if (!hmod) {
2140 TDB *pTask = TASK_GetCurrent();
2141 hmod = pTask->hModule;
2142 }
2143 pModule = (NE_MODULE*)GlobalLock16(hmod);
2144 if ((pModule->ne_magic != IMAGE_OS2_SIGNATURE) || !(pModule->ne_flags & NE_FFLAGS_WIN32))
2145 return 0;
2146 return pModule->module32;
2147 }
2148
2149 /***************************************************************************
2150 * MapHInstLS (KERNEL32.@)
2151 * MapHInstLS (KERNEL.472)
2152 */
2153 void WINAPI __regs_MapHInstLS( CONTEXT86 *context )
2154 {
2155 context->Eax = MapHModuleLS( (HMODULE)context->Eax );
2156 }
2157 #ifdef DEFINE_REGS_ENTRYPOINT
2158 DEFINE_REGS_ENTRYPOINT( MapHInstLS, 0, 0 );
2159 #endif
2160
2161 /***************************************************************************
2162 * MapHInstSL (KERNEL32.@)
2163 * MapHInstSL (KERNEL.473)
2164 */
2165 void WINAPI __regs_MapHInstSL( CONTEXT86 *context )
2166 {
2167 context->Eax = (DWORD)MapHModuleSL( context->Eax );
2168 }
2169 #ifdef DEFINE_REGS_ENTRYPOINT
2170 DEFINE_REGS_ENTRYPOINT( MapHInstSL, 0, 0 );
2171 #endif
2172
2173 /***************************************************************************
2174 * MapHInstLS_PN (KERNEL32.@)
2175 */
2176 void WINAPI __regs_MapHInstLS_PN( CONTEXT86 *context )
2177 {
2178 if (context->Eax) context->Eax = MapHModuleLS( (HMODULE)context->Eax );
2179 }
2180 #ifdef DEFINE_REGS_ENTRYPOINT
2181 DEFINE_REGS_ENTRYPOINT( MapHInstLS_PN, 0, 0 );
2182 #endif
2183
2184 /***************************************************************************
2185 * MapHInstSL_PN (KERNEL32.@)
2186 */
2187 void WINAPI __regs_MapHInstSL_PN( CONTEXT86 *context )
2188 {
2189 if (context->Eax) context->Eax = (DWORD)MapHModuleSL( context->Eax );
2190 }
2191 #ifdef DEFINE_REGS_ENTRYPOINT
2192 DEFINE_REGS_ENTRYPOINT( MapHInstSL_PN, 0, 0 );
2193 #endif
GSOC 2012 project to enhance the control panel