?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
cmd: Remove attrib from builtins list.
[wine/multimedia.git] / dlls / krnl386.exe16 / ne_module.c
blob95dcab8e849f71d21b059046d65facb7145a5867
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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, 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 "kernel16_private.h"
40 #include "wine/exception.h"
41 #include "wine/debug.h"
42
43 WINE_DEFAULT_DEBUG_CHANNEL(module);
44 WINE_DECLARE_DEBUG_CHANNEL(loaddll);
45 WINE_DECLARE_DEBUG_CHANNEL(relay);
46
47 #include "pshpack1.h"
48 typedef struct _GPHANDLERDEF
49 {
50 WORD selector;
51 WORD rangeStart;
52 WORD rangeEnd;
53 WORD handler;
54 } GPHANDLERDEF;
55 #include "poppack.h"
56
57 /*
58 * Segment table entry
59 */
60 struct ne_segment_table_entry_s
61 {
62 WORD seg_data_offset; /* Sector offset of segment data */
63 WORD seg_data_length; /* Length of segment data */
64 WORD seg_flags; /* Flags associated with this segment */
65 WORD min_alloc; /* Minimum allocation size for this */
66 };
67
68 #define hFirstModule (pThhook->hExeHead)
69
70 static HINSTANCE16 NE_LoadModule( LPCSTR name, BOOL lib_only );
71 static BOOL16 NE_FreeModule( HMODULE16 hModule, BOOL call_wep );
72
73 static HINSTANCE16 MODULE_LoadModule16( LPCSTR libname, BOOL implicit, BOOL lib_only );
74
75 static HMODULE16 NE_GetModuleByFilename( LPCSTR name );
76
77
78 /* patch all the flat cs references of the code segment if necessary */
79 static inline void patch_code_segment( NE_MODULE *pModule )
80 {
81 int i;
82 CALLFROM16 *call;
83 SEGTABLEENTRY *pSeg = NE_SEG_TABLE( pModule );
84
85 for (i = 0; i < pModule->ne_cseg; i++, pSeg++)
86 if (!(pSeg->flags & NE_SEGFLAGS_DATA)) break; /* found the code segment */
87
88 call = GlobalLock16( pSeg->hSeg );
89
90 /* patch glue code address and code selector */
91 for (i = 0; call[i].pushl == 0x68; i++)
92 {
93 if (call[i].ret[0] == 0xca66 || call[i].ret[0] == 0xcb66) /* register entry point? */
94 call[i].glue = __wine_call_from_16_regs;
95 else
96 call[i].glue = __wine_call_from_16;
97 call[i].flatcs = wine_get_cs();
98 }
99
100 if (TRACE_ON(relay)) /* patch relay functions to all point to relay_call_from_16 */
101 for (i = 0; call[i].pushl == 0x68; i++) call[i].relay = relay_call_from_16;
102 }
103
104
105 /***********************************************************************
106 * contains_path
107 */
108 static inline int contains_path( LPCSTR name )
109 {
110 return ((*name && (name[1] == ':')) || strchr(name, '/') || strchr(name, '\\'));
111 }
112
113
114 /***********************************************************************
115 * NE_strcasecmp
116 *
117 * locale-independent case conversion for module lookups
118 */
119 static int NE_strcasecmp( const char *str1, const char *str2 )
120 {
121 int ret = 0;
122 for ( ; ; str1++, str2++)
123 if ((ret = RtlUpperChar(*str1) - RtlUpperChar(*str2)) || !*str1) break;
124 return ret;
125 }
126
127
128 /***********************************************************************
129 * NE_strncasecmp
130 *
131 * locale-independent case conversion for module lookups
132 */
133 static int NE_strncasecmp( const char *str1, const char *str2, int len )
134 {
135 int ret = 0;
136 for ( ; len > 0; len--, str1++, str2++)
137 if ((ret = RtlUpperChar(*str1) - RtlUpperChar(*str2)) || !*str1) break;
138 return ret;
139 }
140
141
142 /***********************************************************************
143 * NE_GetPtr
144 */
145 NE_MODULE *NE_GetPtr( HMODULE16 hModule )
146 {
147 return GlobalLock16( GetExePtr(hModule) );
148 }
149
150
151 /**********************************************************************
152 * NE_RegisterModule
153 */
154 static void NE_RegisterModule( NE_MODULE *pModule )
155 {
156 pModule->next = hFirstModule;
157 hFirstModule = pModule->self;
158 }
159
160
161 /***********************************************************************
162 * NE_DumpModule
163 */
164 void NE_DumpModule( HMODULE16 hModule )
165 {
166 int i, ordinal;
167 SEGTABLEENTRY *pSeg;
168 BYTE *pstr;
169 WORD *pword;
170 NE_MODULE *pModule;
171 ET_BUNDLE *bundle;
172 ET_ENTRY *entry;
173
174 if (!(pModule = NE_GetPtr( hModule )))
175 {
176 ERR( "**** %04x is not a module handle\n", hModule );
177 return;
178 }
179
180 /* Dump the module info */
181 TRACE( "---\n" );
182 TRACE( "Module %04x:\n", hModule );
183 TRACE( "count=%d flags=%04x heap=%d stack=%d\n",
184 pModule->count, pModule->ne_flags,
185 pModule->ne_heap, pModule->ne_stack );
186 TRACE( "cs:ip=%04x:%04x ss:sp=%04x:%04x ds=%04x nb seg=%d modrefs=%d\n",
187 SELECTOROF(pModule->ne_csip), OFFSETOF(pModule->ne_csip),
188 SELECTOROF(pModule->ne_sssp), OFFSETOF(pModule->ne_sssp),
189 pModule->ne_autodata, pModule->ne_cseg, pModule->ne_cmod );
190 TRACE( "os_flags=%d swap_area=%d version=%04x\n",
191 pModule->ne_exetyp, pModule->ne_swaparea, pModule->ne_expver );
192 if (pModule->ne_flags & NE_FFLAGS_WIN32)
193 TRACE( "PE module=%p\n", pModule->module32 );
194
195 /* Dump the file info */
196 TRACE( "---\n" );
197 TRACE( "Filename: '%s'\n", NE_MODULE_NAME(pModule) );
198
199 /* Dump the segment table */
200 TRACE( "---\n" );
201 TRACE( "Segment table:\n" );
202 pSeg = NE_SEG_TABLE( pModule );
203 for (i = 0; i < pModule->ne_cseg; i++, pSeg++)
204 TRACE( "%02x: pos=%d size=%d flags=%04x minsize=%d hSeg=%04x\n",
205 i + 1, pSeg->filepos, pSeg->size, pSeg->flags,
206 pSeg->minsize, pSeg->hSeg );
207
208 /* Dump the resource table */
209 TRACE( "---\n" );
210 TRACE( "Resource table:\n" );
211 if (pModule->ne_rsrctab)
212 {
213 pword = (WORD *)((BYTE *)pModule + pModule->ne_rsrctab);
214 TRACE( "Alignment: %d\n", *pword++ );
215 while (*pword)
216 {
217 NE_TYPEINFO *ptr = (NE_TYPEINFO *)pword;
218 NE_NAMEINFO *pname = (NE_NAMEINFO *)(ptr + 1);
219 TRACE( "id=%04x count=%d\n", ptr->type_id, ptr->count );
220 for (i = 0; i < ptr->count; i++, pname++)
221 TRACE( "offset=%d len=%d id=%04x\n",
222 pname->offset, pname->length, pname->id );
223 pword = (WORD *)pname;
224 }
225 }
226 else TRACE( "None\n" );
227
228 /* Dump the resident name table */
229 TRACE( "---\n" );
230 TRACE( "Resident-name table:\n" );
231 pstr = (BYTE*) pModule + pModule->ne_restab;
232 while (*pstr)
233 {
234 TRACE( "%*.*s: %d\n", *pstr, *pstr, pstr + 1,
235 *(WORD *)(pstr + *pstr + 1) );
236 pstr += *pstr + 1 + sizeof(WORD);
237 }
238
239 /* Dump the module reference table */
240 TRACE( "---\n" );
241 TRACE( "Module ref table:\n" );
242 if (pModule->ne_modtab)
243 {
244 pword = (WORD *)((BYTE *)pModule + pModule->ne_modtab);
245 for (i = 0; i < pModule->ne_cmod; i++, pword++)
246 {
247 char name[10];
248 GetModuleName16( *pword, name, sizeof(name) );
249 TRACE( "%d: %04x -> '%s'\n", i, *pword, name );
250 }
251 }
252 else TRACE( "None\n" );
253
254 /* Dump the entry table */
255 TRACE( "---\n" );
256 TRACE( "Entry table:\n" );
257 bundle = (ET_BUNDLE *)((BYTE *)pModule+pModule->ne_enttab);
258 do {
259 entry = (ET_ENTRY *)((BYTE *)bundle+6);
260 TRACE( "Bundle %d-%d: %02x\n", bundle->first, bundle->last, entry->type);
261 ordinal = bundle->first;
262 while (ordinal < bundle->last)
263 {
264 if (entry->type == 0xff)
265 TRACE("%d: %02x:%04x (moveable)\n", ordinal++, entry->segnum, entry->offs);
266 else
267 TRACE("%d: %02x:%04x (fixed)\n", ordinal++, entry->segnum, entry->offs);
268 entry++;
269 }
270 } while ( (bundle->next) && (bundle = ((ET_BUNDLE *)((BYTE *)pModule + bundle->next))) );
271
272 /* Dump the non-resident names table */
273 TRACE( "---\n" );
274 TRACE( "Non-resident names table:\n" );
275 if (pModule->nrname_handle)
276 {
277 pstr = GlobalLock16( pModule->nrname_handle );
278 while (*pstr)
279 {
280 TRACE( "%*.*s: %d\n", *pstr, *pstr, pstr + 1,
281 *(WORD *)(pstr + *pstr + 1) );
282 pstr += *pstr + 1 + sizeof(WORD);
283 }
284 }
285 TRACE( "\n" );
286 }
287
288
289 /***********************************************************************
290 * NE_WalkModules
291 *
292 * Walk the module list and print the modules.
293 */
294 void NE_WalkModules(void)
295 {
296 HMODULE16 hModule = hFirstModule;
297 MESSAGE( "Module Flags Name\n" );
298 while (hModule)
299 {
300 NE_MODULE *pModule = NE_GetPtr( hModule );
301 if (!pModule)
302 {
303 MESSAGE( "Bad module %04x in list\n", hModule );
304 return;
305 }
306 MESSAGE( " %04x %04x %.*s\n", hModule, pModule->ne_flags,
307 *((char *)pModule + pModule->ne_restab),
308 (char *)pModule + pModule->ne_restab + 1 );
309 hModule = pModule->next;
310 }
311 }
312
313
314 /***********************************************************************
315 * NE_InitResourceHandler
316 *
317 * Fill in 'resloader' fields in the resource table.
318 */
319 static void NE_InitResourceHandler( HMODULE16 hModule )
320 {
321 static FARPROC16 proc;
322
323 NE_TYPEINFO *pTypeInfo;
324 NE_MODULE *pModule;
325
326 if (!(pModule = NE_GetPtr( hModule )) || !pModule->ne_rsrctab) return;
327
328 TRACE("InitResourceHandler[%04x]\n", hModule );
329
330 if (!proc) proc = GetProcAddress16( GetModuleHandle16("KERNEL"), "DefResourceHandler" );
331
332 pTypeInfo = (NE_TYPEINFO *)((char *)pModule + pModule->ne_rsrctab + 2);
333 while(pTypeInfo->type_id)
334 {
335 memcpy_unaligned( &pTypeInfo->resloader, &proc, sizeof(FARPROC16) );
336 pTypeInfo = (NE_TYPEINFO *)((char*)(pTypeInfo + 1) + pTypeInfo->count * sizeof(NE_NAMEINFO));
337 }
338 }
339
340
341 /***********************************************************************
342 * NE_GetOrdinal
343 *
344 * Lookup the ordinal for a given name.
345 */
346 WORD NE_GetOrdinal( HMODULE16 hModule, const char *name )
347 {
348 char buffer[256], *p;
349 BYTE *cpnt;
350 BYTE len;
351 NE_MODULE *pModule;
352
353 if (!(pModule = NE_GetPtr( hModule ))) return 0;
354 if (pModule->ne_flags & NE_FFLAGS_WIN32) return 0;
355
356 TRACE("(%04x,'%s')\n", hModule, name );
357
358 /* First handle names of the form '#xxxx' */
359
360 if (name[0] == '#') return atoi( name + 1 );
361
362 /* Now copy and uppercase the string */
363
364 strcpy( buffer, name );
365 for (p = buffer; *p; p++) *p = RtlUpperChar(*p);
366 len = p - buffer;
367
368 /* First search the resident names */
369
370 cpnt = (BYTE *)pModule + pModule->ne_restab;
371
372 /* Skip the first entry (module name) */
373 cpnt += *cpnt + 1 + sizeof(WORD);
374 while (*cpnt)
375 {
376 if ((*cpnt == len) && !memcmp( cpnt+1, buffer, len ))
377 {
378 WORD ordinal;
379 memcpy( &ordinal, cpnt + *cpnt + 1, sizeof(ordinal) );
380 TRACE(" Found: ordinal=%d\n", ordinal );
381 return ordinal;
382 }
383 cpnt += *cpnt + 1 + sizeof(WORD);
384 }
385
386 /* Now search the non-resident names table */
387
388 if (!pModule->nrname_handle) return 0; /* No non-resident table */
389 cpnt = GlobalLock16( pModule->nrname_handle );
390
391 /* Skip the first entry (module description string) */
392 cpnt += *cpnt + 1 + sizeof(WORD);
393 while (*cpnt)
394 {
395 if ((*cpnt == len) && !memcmp( cpnt+1, buffer, len ))
396 {
397 WORD ordinal;
398 memcpy( &ordinal, cpnt + *cpnt + 1, sizeof(ordinal) );
399 TRACE(" Found: ordinal=%d\n", ordinal );
400 return ordinal;
401 }
402 cpnt += *cpnt + 1 + sizeof(WORD);
403 }
404 return 0;
405 }
406
407
408 /***********************************************************************
409 * NE_GetEntryPoint
410 */
411 FARPROC16 WINAPI NE_GetEntryPoint( HMODULE16 hModule, WORD ordinal )
412 {
413 return NE_GetEntryPointEx( hModule, ordinal, TRUE );
414 }
415
416 /***********************************************************************
417 * NE_GetEntryPointEx
418 */
419 FARPROC16 NE_GetEntryPointEx( HMODULE16 hModule, WORD ordinal, BOOL16 snoop )
420 {
421 NE_MODULE *pModule;
422 WORD sel, offset, i;
423
424 ET_ENTRY *entry;
425 ET_BUNDLE *bundle;
426
427 if (!(pModule = NE_GetPtr( hModule ))) return 0;
428 assert( !(pModule->ne_flags & NE_FFLAGS_WIN32) );
429
430 bundle = (ET_BUNDLE *)((BYTE *)pModule + pModule->ne_enttab);
431 while ((ordinal < bundle->first + 1) || (ordinal > bundle->last))
432 {
433 if (!(bundle->next))
434 return 0;
435 bundle = (ET_BUNDLE *)((BYTE *)pModule + bundle->next);
436 }
437
438 entry = (ET_ENTRY *)((BYTE *)bundle+6);
439 for (i=0; i < (ordinal - bundle->first - 1); i++)
440 entry++;
441
442 sel = entry->segnum;
443 memcpy( &offset, &entry->offs, sizeof(WORD) );
444
445 if (sel == 0xfe) sel = 0xffff; /* constant entry */
446 else sel = GlobalHandleToSel16(NE_SEG_TABLE(pModule)[sel-1].hSeg);
447 if (sel==0xffff)
448 return (FARPROC16)MAKESEGPTR( sel, offset );
449 if (!snoop)
450 return (FARPROC16)MAKESEGPTR( sel, offset );
451 else
452 return SNOOP16_GetProcAddress16(hModule,ordinal,(FARPROC16)MAKESEGPTR( sel, offset ));
453 }
454
455
456 /***********************************************************************
457 * EntryAddrProc (KERNEL.667) Wine-specific export
458 *
459 * Return the entry point for a given ordinal.
460 */
461 FARPROC16 WINAPI EntryAddrProc16( HMODULE16 hModule, WORD ordinal )
462 {
463 FARPROC16 ret = NE_GetEntryPointEx( hModule, ordinal, TRUE );
464 CURRENT_STACK16->ecx = hModule; /* FIXME: might be incorrect value */
465 return ret;
466 }
467
468 /***********************************************************************
469 * NE_SetEntryPoint
470 *
471 * Change the value of an entry point. Use with caution!
472 * It can only change the offset value, not the selector.
473 */
474 BOOL16 NE_SetEntryPoint( HMODULE16 hModule, WORD ordinal, WORD offset )
475 {
476 NE_MODULE *pModule;
477 ET_ENTRY *entry;
478 ET_BUNDLE *bundle;
479 int i;
480
481 if (!(pModule = NE_GetPtr( hModule ))) return FALSE;
482 assert( !(pModule->ne_flags & NE_FFLAGS_WIN32) );
483
484 bundle = (ET_BUNDLE *)((BYTE *)pModule + pModule->ne_enttab);
485 while ((ordinal < bundle->first + 1) || (ordinal > bundle->last))
486 {
487 bundle = (ET_BUNDLE *)((BYTE *)pModule + bundle->next);
488 if (!(bundle->next)) return 0;
489 }
490
491 entry = (ET_ENTRY *)((BYTE *)bundle+6);
492 for (i=0; i < (ordinal - bundle->first - 1); i++)
493 entry++;
494
495 memcpy( &entry->offs, &offset, sizeof(WORD) );
496 return TRUE;
497 }
498
499
500 /***********************************************************************
501 * build_bundle_data
502 *
503 * Build the entry table bundle data from the on-disk format. Helper for build_module.
504 */
505 static void *build_bundle_data( NE_MODULE *pModule, void *dest, const BYTE *table )
506 {
507 ET_BUNDLE *oldbundle, *bundle = dest;
508 ET_ENTRY *entry;
509 BYTE nr_entries, type;
510
511 memset(bundle, 0, sizeof(ET_BUNDLE)); /* in case no entry table exists */
512 entry = (ET_ENTRY *)((BYTE *)bundle+6);
513
514 while ((nr_entries = *table++))
515 {
516 if ((type = *table++))
517 {
518 bundle->last += nr_entries;
519 if (type == 0xff)
520 {
521 while (nr_entries--)
522 {
523 entry->type = type;
524 entry->flags = *table++;
525 table += sizeof(WORD);
526 entry->segnum = *table++;
527 entry->offs = *(const WORD *)table;
528 table += sizeof(WORD);
529 entry++;
530 }
531 }
532 else
533 {
534 while (nr_entries--)
535 {
536 entry->type = type;
537 entry->flags = *table++;
538 entry->segnum = type;
539 entry->offs = *(const WORD *)table;
540 table += sizeof(WORD);
541 entry++;
542 }
543 }
544 }
545 else
546 {
547 if (bundle->first == bundle->last)
548 {
549 bundle->first += nr_entries;
550 bundle->last += nr_entries;
551 }
552 else
553 {
554 oldbundle = bundle;
555 oldbundle->next = (char *)entry - (char *)pModule;
556 bundle = (ET_BUNDLE *)entry;
557 bundle->first = bundle->last = oldbundle->last + nr_entries;
558 bundle->next = 0;
559 entry = (ET_ENTRY*)(((BYTE*)entry)+sizeof(ET_BUNDLE));
560 }
561 }
562 }
563 return entry;
564 }
565
566
567 /***********************************************************************
568 * build_module
569 *
570 * Build the in-memory module from the on-disk data.
571 */
572 static HMODULE16 build_module( const void *mapping, SIZE_T mapping_size, LPCSTR path )
573 {
574 const IMAGE_DOS_HEADER *mz_header = mapping;
575 const IMAGE_OS2_HEADER *ne_header;
576 const struct ne_segment_table_entry_s *pSeg;
577 const void *ptr;
578 int i;
579 size_t size;
580 HMODULE16 hModule;
581 NE_MODULE *pModule;
582 BYTE *buffer, *pData, *end;
583 OFSTRUCT *ofs;
584
585 if (mapping_size < sizeof(*mz_header)) return ERROR_BAD_FORMAT;
586 if (mz_header->e_magic != IMAGE_DOS_SIGNATURE) return ERROR_BAD_FORMAT;
587 ne_header = (const IMAGE_OS2_HEADER *)((const char *)mapping + mz_header->e_lfanew);
588 if (mz_header->e_lfanew + sizeof(*ne_header) > mapping_size) return ERROR_BAD_FORMAT;
589 if (ne_header->ne_magic == IMAGE_NT_SIGNATURE) return 21; /* win32 exe */
590 if (ne_header->ne_magic == IMAGE_OS2_SIGNATURE_LX)
591 {
592 MESSAGE("Sorry, %s is an OS/2 linear executable (LX) file!\n", path);
593 return 12;
594 }
595 if (ne_header->ne_magic != IMAGE_OS2_SIGNATURE) return ERROR_BAD_FORMAT;
596
597 /* We now have a valid NE header */
598
599 /* check to be able to fall back to loading OS/2 programs as DOS
600 * FIXME: should this check be reversed in order to be less strict?
601 * (only fail for OS/2 ne_exetyp 0x01 here?) */
602 if ((ne_header->ne_exetyp != 0x02 /* Windows */)
603 && (ne_header->ne_exetyp != 0x04) /* Windows 386 */)
604 return ERROR_BAD_FORMAT;
605
606 size = sizeof(NE_MODULE) +
607 /* segment table */
608 ne_header->ne_cseg * sizeof(SEGTABLEENTRY) +
609 /* resource table */
610 ne_header->ne_restab - ne_header->ne_rsrctab +
611 /* resident names table */
612 ne_header->ne_modtab - ne_header->ne_restab +
613 /* module ref table */
614 ne_header->ne_cmod * sizeof(WORD) +
615 /* imported names table */
616 ne_header->ne_enttab - ne_header->ne_imptab +
617 /* entry table length */
618 ne_header->ne_cbenttab +
619 /* entry table extra conversion space */
620 sizeof(ET_BUNDLE) +
621 2 * (ne_header->ne_cbenttab - ne_header->ne_cmovent*6) +
622 /* loaded file info */
623 sizeof(OFSTRUCT) - sizeof(ofs->szPathName) + strlen(path) + 1;
624
625 hModule = GlobalAlloc16( GMEM_FIXED | GMEM_ZEROINIT, size );
626 if (!hModule) return ERROR_BAD_FORMAT;
627
628 FarSetOwner16( hModule, hModule );
629 pModule = GlobalLock16( hModule );
630 memcpy( pModule, ne_header, sizeof(*ne_header) );
631 pModule->count = 0;
632 /* check programs for default minimal stack size */
633 if (!(pModule->ne_flags & NE_FFLAGS_LIBMODULE) && (pModule->ne_stack < 0x1400))
634 pModule->ne_stack = 0x1400;
635
636 pModule->self = hModule;
637 pModule->mapping = mapping;
638 pModule->mapping_size = mapping_size;
639
640 pData = (BYTE *)(pModule + 1);
641
642 /* Clear internal Wine flags in case they are set in the EXE file */
643
644 pModule->ne_flags &= ~(NE_FFLAGS_BUILTIN | NE_FFLAGS_WIN32);
645
646 /* Get the segment table */
647
648 pModule->ne_segtab = pData - (BYTE *)pModule;
649 if (!(pSeg = NE_GET_DATA( pModule, mz_header->e_lfanew + ne_header->ne_segtab,
650 ne_header->ne_cseg * sizeof(struct ne_segment_table_entry_s) )))
651 goto failed;
652 for (i = ne_header->ne_cseg; i > 0; i--, pSeg++)
653 {
654 memcpy( pData, pSeg, sizeof(*pSeg) );
655 pData += sizeof(SEGTABLEENTRY);
656 }
657
658 /* Get the resource table */
659
660 if (ne_header->ne_rsrctab < ne_header->ne_restab)
661 {
662 pModule->ne_rsrctab = pData - (BYTE *)pModule;
663 if (!NE_READ_DATA( pModule, pData, mz_header->e_lfanew + ne_header->ne_rsrctab,
664 ne_header->ne_restab - ne_header->ne_rsrctab )) goto failed;
665 pData += ne_header->ne_restab - ne_header->ne_rsrctab;
666 }
667 else pModule->ne_rsrctab = 0; /* No resource table */
668
669 /* Get the resident names table */
670
671 pModule->ne_restab = pData - (BYTE *)pModule;
672 if (!NE_READ_DATA( pModule, pData, mz_header->e_lfanew + ne_header->ne_restab,
673 ne_header->ne_modtab - ne_header->ne_restab )) goto failed;
674 pData += ne_header->ne_modtab - ne_header->ne_restab;
675
676 /* Get the module references table */
677
678 if (ne_header->ne_cmod > 0)
679 {
680 pModule->ne_modtab = pData - (BYTE *)pModule;
681 if (!NE_READ_DATA( pModule, pData, mz_header->e_lfanew + ne_header->ne_modtab,
682 ne_header->ne_cmod * sizeof(WORD) )) goto failed;
683 pData += ne_header->ne_cmod * sizeof(WORD);
684 }
685 else pModule->ne_modtab = 0; /* No module references */
686
687 /* Get the imported names table */
688
689 pModule->ne_imptab = pData - (BYTE *)pModule;
690 if (!NE_READ_DATA( pModule, pData, mz_header->e_lfanew + ne_header->ne_imptab,
691 ne_header->ne_enttab - ne_header->ne_imptab )) goto failed;
692 pData += ne_header->ne_enttab - ne_header->ne_imptab;
693
694 /* Load entry table, convert it to the optimized version used by Windows */
695
696 pModule->ne_enttab = pData - (BYTE *)pModule;
697 if (!(ptr = NE_GET_DATA( pModule, mz_header->e_lfanew + ne_header->ne_enttab,
698 ne_header->ne_cbenttab ))) goto failed;
699 end = build_bundle_data( pModule, pData, ptr );
700
701 pData += ne_header->ne_cbenttab + sizeof(ET_BUNDLE) +
702 2 * (ne_header->ne_cbenttab - ne_header->ne_cmovent*6);
703
704 if (end > pData)
705 {
706 FIXME( "not enough space for entry table for %s\n", debugstr_a(path) );
707 goto failed;
708 }
709
710 /* Store the filename information */
711
712 pModule->fileinfo = pData - (BYTE *)pModule;
713 ofs = (OFSTRUCT *)pData;
714 ofs->cBytes = sizeof(OFSTRUCT) - sizeof(ofs->szPathName) + strlen(path);
715 ofs->fFixedDisk = 1;
716 strcpy( ofs->szPathName, path );
717 pData += ofs->cBytes + 1;
718 assert( (BYTE *)pModule + size <= pData );
719
720 /* Get the non-resident names table */
721
722 if (ne_header->ne_cbnrestab)
723 {
724 pModule->nrname_handle = GlobalAlloc16( 0, ne_header->ne_cbnrestab );
725 if (!pModule->nrname_handle) goto failed;
726 FarSetOwner16( pModule->nrname_handle, hModule );
727 buffer = GlobalLock16( pModule->nrname_handle );
728 if (!NE_READ_DATA( pModule, buffer, ne_header->ne_nrestab, ne_header->ne_cbnrestab ))
729 {
730 GlobalFree16( pModule->nrname_handle );
731 pModule->nrname_handle = 0;
732 }
733 }
734 else pModule->nrname_handle = 0;
735
736 /* Allocate a segment for the implicitly-loaded DLLs */
737
738 if (pModule->ne_cmod)
739 {
740 pModule->dlls_to_init = GlobalAlloc16( GMEM_ZEROINIT,
741 (pModule->ne_cmod+1)*sizeof(HMODULE16) );
742 if (!pModule->dlls_to_init)
743 {
744 if (pModule->nrname_handle) GlobalFree16( pModule->nrname_handle );
745 goto failed;
746 }
747 FarSetOwner16( pModule->dlls_to_init, hModule );
748 }
749 else pModule->dlls_to_init = 0;
750
751 NE_RegisterModule( pModule );
752 return hModule;
753
754 failed:
755 GlobalFree16( hModule );
756 return ERROR_BAD_FORMAT;
757 }
758
759
760 /***********************************************************************
761 * NE_LoadDLLs
762 *
763 * Load all DLLs implicitly linked to a module.
764 */
765 static BOOL NE_LoadDLLs( NE_MODULE *pModule )
766 {
767 int i;
768 WORD *pModRef = (WORD *)((char *)pModule + pModule->ne_modtab);
769 WORD *pDLLs = GlobalLock16( pModule->dlls_to_init );
770
771 for (i = 0; i < pModule->ne_cmod; i++, pModRef++)
772 {
773 char buffer[260], *p;
774 BYTE *pstr = (BYTE *)pModule + pModule->ne_imptab + *pModRef;
775 memcpy( buffer, pstr + 1, *pstr );
776 *(buffer + *pstr) = 0; /* terminate it */
777
778 TRACE("Loading '%s'\n", buffer );
779 if (!(*pModRef = GetModuleHandle16( buffer )))
780 {
781 /* If the DLL is not loaded yet, load it and store */
782 /* its handle in the list of DLLs to initialize. */
783 HMODULE16 hDLL;
784
785 /* Append .DLL to name if no extension present */
786 if (!(p = strrchr( buffer, '.')) || strchr( p, '/' ) || strchr( p, '\\'))
787 strcat( buffer, ".DLL" );
788
789 if ((hDLL = MODULE_LoadModule16( buffer, TRUE, TRUE )) < 32)
790 {
791 /* FIXME: cleanup what was done */
792
793 MESSAGE( "Could not load '%s' required by '%.*s', error=%d\n",
794 buffer, *((BYTE*)pModule + pModule->ne_restab),
795 (char *)pModule + pModule->ne_restab + 1, hDLL );
796 return FALSE;
797 }
798 *pModRef = GetExePtr( hDLL );
799 *pDLLs++ = *pModRef;
800 }
801 else /* Increment the reference count of the DLL */
802 {
803 NE_MODULE *pOldDLL = NE_GetPtr( *pModRef );
804 if (pOldDLL) pOldDLL->count++;
805 }
806 }
807 return TRUE;
808 }
809
810
811 /**********************************************************************
812 * NE_DoLoadModule
813 *
814 * Load first instance of NE module from file.
815 *
816 * pModule must point to a module structure prepared by build_module.
817 * This routine must never be called twice on a module.
818 */
819 static HINSTANCE16 NE_DoLoadModule( NE_MODULE *pModule )
820 {
821 /* Allocate the segments for this module */
822
823 if (!NE_CreateAllSegments( pModule ))
824 return ERROR_NOT_ENOUGH_MEMORY; /* 8 */
825
826 /* Load the referenced DLLs */
827
828 if (!NE_LoadDLLs( pModule ))
829 return ERROR_FILE_NOT_FOUND; /* 2 */
830
831 /* Load the segments */
832
833 NE_LoadAllSegments( pModule );
834
835 /* Make sure the usage count is 1 on the first loading of */
836 /* the module, even if it contains circular DLL references */
837
838 pModule->count = 1;
839
840 return NE_GetInstance( pModule );
841 }
842
843 /**********************************************************************
844 * NE_LoadModule
845 *
846 * Load first instance of NE module. (Note: caller is responsible for
847 * ensuring the module isn't already loaded!)
848 *
849 * If the module turns out to be an executable module, only a
850 * handle to a module stub is returned; this needs to be initialized
851 * by calling NE_DoLoadModule later, in the context of the newly
852 * created process.
853 *
854 * If lib_only is TRUE, however, the module is perforce treated
855 * like a DLL module, even if it is an executable module.
856 *
857 */
858 static HINSTANCE16 NE_LoadModule( LPCSTR name, BOOL lib_only )
859 {
860 NE_MODULE *pModule;
861 HMODULE16 hModule;
862 HINSTANCE16 hInstance;
863 HFILE16 hFile;
864 OFSTRUCT ofs;
865 HANDLE mapping;
866 void *ptr;
867 MEMORY_BASIC_INFORMATION info;
868
869 /* Open file */
870 if ((hFile = OpenFile16( name, &ofs, OF_READ|OF_SHARE_DENY_WRITE )) == HFILE_ERROR16)
871 return ERROR_FILE_NOT_FOUND;
872
873 mapping = CreateFileMappingW( DosFileHandleToWin32Handle(hFile), NULL, PAGE_WRITECOPY, 0, 0, NULL );
874 _lclose16( hFile );
875 if (!mapping) return ERROR_BAD_FORMAT;
876
877 ptr = MapViewOfFile( mapping, FILE_MAP_COPY, 0, 0, 0 );
878 CloseHandle( mapping );
879 if (!ptr) return ERROR_BAD_FORMAT;
880
881 VirtualQuery( ptr, &info, sizeof(info) );
882 hModule = build_module( ptr, info.RegionSize, ofs.szPathName );
883
884 if (hModule < 32)
885 {
886 UnmapViewOfFile( ptr );
887 return hModule;
888 }
889
890 SNOOP16_RegisterDLL( hModule, ofs.szPathName );
891 NE_InitResourceHandler( hModule );
892
893 pModule = NE_GetPtr( hModule );
894
895 if ( !lib_only && !( pModule->ne_flags & NE_FFLAGS_LIBMODULE ) )
896 return hModule;
897
898 hInstance = NE_DoLoadModule( pModule );
899 if ( hInstance < 32 )
900 {
901 /* cleanup ... */
902 NE_FreeModule( hModule, 0 );
903 }
904
905 return hInstance;
906 }
907
908
909 /***********************************************************************
910 * NE_DoLoadBuiltinModule
911 *
912 * Load a built-in Win16 module. Helper function for NE_LoadBuiltinModule.
913 */
914 static HMODULE16 NE_DoLoadBuiltinModule( const IMAGE_DOS_HEADER *mz_header, const char *file_name,
915 HMODULE owner32 )
916 {
917 NE_MODULE *pModule;
918 HMODULE16 hModule;
919 HINSTANCE16 hInstance;
920 SIZE_T mapping_size = ~0UL; /* assume builtins don't contain invalid offsets... */
921
922 hModule = build_module( mz_header, mapping_size, file_name );
923 if (hModule < 32) return hModule;
924 pModule = GlobalLock16( hModule );
925 pModule->ne_flags |= NE_FFLAGS_BUILTIN;
926 pModule->owner32 = owner32;
927
928 /* fake the expected version the module should have according to the current Windows version */
929 pModule->ne_expver = MAKEWORD( NtCurrentTeb()->Peb->OSMajorVersion,
930 NtCurrentTeb()->Peb->OSMinorVersion );
931
932 hInstance = NE_DoLoadModule( pModule );
933 if (hInstance < 32) NE_FreeModule( hModule, 0 );
934
935 NE_InitResourceHandler( hModule );
936
937 if (pModule->ne_heap)
938 {
939 SEGTABLEENTRY *pSeg = NE_SEG_TABLE( pModule ) + pModule->ne_autodata - 1;
940 unsigned int size = pSeg->minsize + pModule->ne_heap;
941 if (size > 0xfffe) size = 0xfffe;
942 LocalInit16( GlobalHandleToSel16(pSeg->hSeg), pSeg->minsize, size );
943 }
944
945 patch_code_segment( pModule );
946
947 return hInstance;
948 }
949
950
951 /**********************************************************************
952 * MODULE_LoadModule16
953 *
954 * Load a NE module in the order of the loadorder specification.
955 * The caller is responsible that the module is not loaded already.
956 *
957 */
958 static HINSTANCE16 MODULE_LoadModule16( LPCSTR libname, BOOL implicit, BOOL lib_only )
959 {
960 HINSTANCE16 hinst = 2;
961 HMODULE16 hModule;
962 HMODULE mod32 = 0;
963 NE_MODULE *pModule;
964 const IMAGE_DOS_HEADER *descr = NULL;
965 const char *file_name = NULL;
966 char dllname[32], *p;
967 const char *basename, *main_module;
968
969 /* strip path information */
970
971 basename = libname;
972 if (basename[0] && basename[1] == ':') basename += 2; /* strip drive specification */
973 if ((p = strrchr( basename, '\\' ))) basename = p + 1;
974 if ((p = strrchr( basename, '/' ))) basename = p + 1;
975
976 if (strlen(basename) < sizeof(dllname)-6)
977 {
978 strcpy( dllname, basename );
979 p = strrchr( dllname, '.' );
980 if (!p) strcat( dllname, ".dll" );
981 for (p = dllname; *p; p++) if (*p >= 'A' && *p <= 'Z') *p += 32;
982
983 strcpy( p, "16" );
984 if ((mod32 = LoadLibraryA( dllname )))
985 {
986 if (!(descr = (void *)GetProcAddress( mod32, "__wine_spec_dos_header" )))
987 {
988 WARN( "loaded %s but does not contain a 16-bit module\n", debugstr_a(dllname) );
989 FreeLibrary( mod32 );
990 }
991 else
992 {
993 TRACE( "found %s with embedded 16-bit module\n", debugstr_a(dllname) );
994 file_name = basename;
995
996 /* if module has a 32-bit owner, match the load order of the owner */
997 if ((main_module = (void *)GetProcAddress( mod32, "__wine_spec_main_module" )))
998 {
999 LDR_MODULE *ldr;
1000 HMODULE main_owner = LoadLibraryA( main_module );
1001
1002 if (!main_owner)
1003 {
1004 WARN( "couldn't load owner %s for 16-bit dll %s\n", main_module, dllname );
1005 FreeLibrary( mod32 );
1006 return ERROR_FILE_NOT_FOUND;
1007 }
1008 /* check if module was loaded native */
1009 if (LdrFindEntryForAddress( main_owner, &ldr ) || !(ldr->Flags & LDR_WINE_INTERNAL))
1010 {
1011 FreeLibrary( mod32 );
1012 descr = NULL;
1013 }
1014 FreeLibrary( main_owner );
1015 }
1016 }
1017 }
1018
1019 /* loading the 32-bit library can have the side effect of loading the module */
1020 /* if so, simply incr the ref count and return the module */
1021 if (descr && (hModule = GetModuleHandle16( libname )))
1022 {
1023 TRACE( "module %s already loaded by owner\n", libname );
1024 pModule = NE_GetPtr( hModule );
1025 if (pModule) pModule->count++;
1026 FreeLibrary( mod32 );
1027 return hModule;
1028 }
1029 }
1030
1031 if (descr)
1032 {
1033 TRACE("Trying built-in '%s'\n", libname);
1034 hinst = NE_DoLoadBuiltinModule( descr, file_name, mod32 );
1035 if (hinst > 32) TRACE_(loaddll)("Loaded module %s : builtin\n", debugstr_a(file_name));
1036 }
1037 else
1038 {
1039 TRACE("Trying native dll '%s'\n", libname);
1040 hinst = NE_LoadModule(libname, lib_only);
1041 if (hinst > 32) TRACE_(loaddll)("Loaded module %s : native\n", debugstr_a(libname));
1042 }
1043
1044 if (hinst > 32 && !implicit)
1045 {
1046 hModule = GetModuleHandle16(libname);
1047 if(!hModule)
1048 {
1049 ERR("Serious trouble. Just loaded module '%s' (hinst=0x%04x), but can't get module handle. Filename too long ?\n",
1050 libname, hinst);
1051 return ERROR_INVALID_HANDLE;
1052 }
1053
1054 pModule = NE_GetPtr(hModule);
1055 if(!pModule)
1056 {
1057 ERR("Serious trouble. Just loaded module '%s' (hinst=0x%04x), but can't get NE_MODULE pointer\n",
1058 libname, hinst);
1059 return ERROR_INVALID_HANDLE;
1060 }
1061
1062 TRACE("Loaded module '%s' at 0x%04x.\n", libname, hinst);
1063
1064 /*
1065 * Call initialization routines for all loaded DLLs. Note that
1066 * when we load implicitly linked DLLs this will be done by InitTask().
1067 */
1068 if(pModule->ne_flags & NE_FFLAGS_LIBMODULE)
1069 {
1070 NE_InitializeDLLs(hModule);
1071 NE_DllProcessAttach(hModule);
1072 }
1073 else DOSMEM_InitDosMemory(); /* we will be running a 16-bit task, setup DOS memory */
1074 }
1075 return hinst; /* The last error that occurred */
1076 }
1077
1078
1079 /**********************************************************************
1080 * NE_CreateThread
1081 *
1082 * Create the thread for a 16-bit module.
1083 */
1084 static HINSTANCE16 NE_CreateThread( NE_MODULE *pModule, WORD cmdShow, LPCSTR cmdline )
1085 {
1086 HANDLE hThread;
1087 TDB *pTask;
1088 HTASK16 hTask;
1089 HINSTANCE16 instance = 0;
1090
1091 if (!(hTask = TASK_SpawnTask( pModule, cmdShow, cmdline + 1, *cmdline, &hThread )))
1092 return 0;
1093
1094 /* Post event to start the task */
1095 PostEvent16( hTask );
1096
1097 /* Wait until we get the instance handle */
1098 do
1099 {
1100 DirectedYield16( hTask );
1101 if (!IsTask16( hTask )) /* thread has died */
1102 {
1103 DWORD exit_code;
1104 WaitForSingleObject( hThread, INFINITE );
1105 GetExitCodeThread( hThread, &exit_code );
1106 CloseHandle( hThread );
1107 return exit_code;
1108 }
1109 if (!(pTask = GlobalLock16( hTask ))) break;
1110 instance = pTask->hInstance;
1111 GlobalUnlock16( hTask );
1112 } while (!instance);
1113
1114 CloseHandle( hThread );
1115 return instance;
1116 }
1117
1118
1119 /**********************************************************************
1120 * LoadModule (KERNEL.45)
1121 */
1122 HINSTANCE16 WINAPI LoadModule16( LPCSTR name, LPVOID paramBlock )
1123 {
1124 BOOL lib_only = !paramBlock || (paramBlock == (LPVOID)-1);
1125 LOADPARAMS16 *params;
1126 HMODULE16 hModule;
1127 NE_MODULE *pModule;
1128 LPSTR cmdline;
1129 WORD cmdShow = 1; /* SW_SHOWNORMAL but we don't want to include winuser.h here */
1130
1131 if (name == NULL) return 0;
1132
1133 TRACE("name %s, paramBlock %p\n", name, paramBlock);
1134
1135 /* Load module */
1136
1137 if ( (hModule = NE_GetModuleByFilename(name) ) != 0 )
1138 {
1139 /* Special case: second instance of an already loaded NE module */
1140
1141 if ( !( pModule = NE_GetPtr( hModule ) ) ) return ERROR_BAD_FORMAT;
1142 if ( pModule->module32 ) return (HINSTANCE16)21;
1143
1144 /* Increment refcount */
1145
1146 pModule->count++;
1147 }
1148 else
1149 {
1150 /* Main case: load first instance of NE module */
1151
1152 if ( (hModule = MODULE_LoadModule16( name, FALSE, lib_only )) < 32 )
1153 return hModule;
1154
1155 if ( !(pModule = NE_GetPtr( hModule )) )
1156 return ERROR_BAD_FORMAT;
1157 }
1158
1159 /* If library module, we just retrieve the instance handle */
1160
1161 if ( ( pModule->ne_flags & NE_FFLAGS_LIBMODULE ) || lib_only )
1162 return NE_GetInstance( pModule );
1163
1164 /*
1165 * At this point, we need to create a new process.
1166 *
1167 * pModule points either to an already loaded module, whose refcount
1168 * has already been incremented (to avoid having the module vanish
1169 * in the meantime), or else to a stub module which contains only header
1170 * information.
1171 */
1172 params = paramBlock;
1173 if (params->showCmd)
1174 cmdShow = ((WORD *)MapSL( params->showCmd ))[1];
1175 cmdline = MapSL( params->cmdLine );
1176 return NE_CreateThread( pModule, cmdShow, cmdline );
1177 }
1178
1179
1180 /**********************************************************************
1181 * NE_StartTask
1182 *
1183 * Startup code for a new 16-bit task.
1184 */
1185 DWORD NE_StartTask(void)
1186 {
1187 TDB *pTask = TASK_GetCurrent();
1188 NE_MODULE *pModule = NE_GetPtr( pTask->hModule );
1189 HINSTANCE16 hInstance, hPrevInstance;
1190 SEGTABLEENTRY *pSegTable = NE_SEG_TABLE( pModule );
1191 WORD sp;
1192
1193 if ( pModule->count > 0 )
1194 {
1195 /* Second instance of an already loaded NE module */
1196 /* Note that the refcount was already incremented by the parent */
1197
1198 hPrevInstance = NE_GetInstance( pModule );
1199
1200 if ( pModule->ne_autodata )
1201 if ( NE_CreateSegment( pModule, pModule->ne_autodata ) )
1202 NE_LoadSegment( pModule, pModule->ne_autodata );
1203
1204 hInstance = NE_GetInstance( pModule );
1205 TRACE("created second instance %04x[%d] of instance %04x.\n", hInstance, pModule->ne_autodata, hPrevInstance);
1206
1207 }
1208 else
1209 {
1210 /* Load first instance of NE module */
1211
1212 pModule->ne_flags |= NE_FFLAGS_GUI; /* FIXME: is this necessary? */
1213
1214 hInstance = NE_DoLoadModule( pModule );
1215 hPrevInstance = 0;
1216 }
1217
1218 if ( hInstance >= 32 )
1219 {
1220 CONTEXT context;
1221
1222 /* Enter instance handles into task struct */
1223
1224 pTask->hInstance = hInstance;
1225 pTask->hPrevInstance = hPrevInstance;
1226
1227 /* Use DGROUP for 16-bit stack */
1228
1229 if (!(sp = OFFSETOF(pModule->ne_sssp)))
1230 sp = pSegTable[SELECTOROF(pModule->ne_sssp)-1].minsize + pModule->ne_stack;
1231 sp &= ~1;
1232 sp -= sizeof(STACK16FRAME);
1233 NtCurrentTeb()->WOW32Reserved = (void *)MAKESEGPTR( GlobalHandleToSel16(hInstance), sp );
1234
1235 /* Registers at initialization must be:
1236 * ax zero
1237 * bx stack size in bytes
1238 * cx heap size in bytes
1239 * si previous app instance
1240 * di current app instance
1241 * bp zero
1242 * es selector to the PSP
1243 * ds dgroup of the application
1244 * ss stack selector
1245 * sp top of the stack
1246 */
1247 memset( &context, 0, sizeof(context) );
1248 context.SegCs = GlobalHandleToSel16(pSegTable[SELECTOROF(pModule->ne_csip) - 1].hSeg);
1249 context.SegDs = GlobalHandleToSel16(pTask->hInstance);
1250 context.SegEs = pTask->hPDB;
1251 context.SegFs = wine_get_fs();
1252 context.SegGs = wine_get_gs();
1253 context.Eip = OFFSETOF(pModule->ne_csip);
1254 context.Ebx = pModule->ne_stack;
1255 context.Ecx = pModule->ne_heap;
1256 context.Edi = pTask->hInstance;
1257 context.Esi = pTask->hPrevInstance;
1258
1259 /* Now call 16-bit entry point */
1260
1261 TRACE("Starting main program: cs:ip=%04x:%04x ds=%04x ss:sp=%04x:%04x\n",
1262 context.SegCs, context.Eip, context.SegDs,
1263 SELECTOROF(NtCurrentTeb()->WOW32Reserved),
1264 OFFSETOF(NtCurrentTeb()->WOW32Reserved) );
1265
1266 WOWCallback16Ex( 0, WCB16_REGS, 0, NULL, (DWORD *)&context );
1267 ExitThread( LOWORD(context.Eax) );
1268 }
1269 return hInstance; /* error code */
1270 }
1271
1272 /***********************************************************************
1273 * LoadLibrary (KERNEL.95)
1274 * LoadLibrary16 (KERNEL32.35)
1275 */
1276 HINSTANCE16 WINAPI LoadLibrary16( LPCSTR libname )
1277 {
1278 return LoadModule16(libname, (LPVOID)-1 );
1279 }
1280
1281
1282 /**********************************************************************
1283 * MODULE_CallWEP
1284 *
1285 * Call a DLL's WEP, allowing it to shut down.
1286 * FIXME: we always pass the WEP WEP_FREE_DLL, never WEP_SYSTEM_EXIT
1287 */
1288 static BOOL16 MODULE_CallWEP( HMODULE16 hModule )
1289 {
1290 BOOL16 ret;
1291 FARPROC16 WEP = GetProcAddress16( hModule, "WEP" );
1292 if (!WEP) return FALSE;
1293
1294 __TRY
1295 {
1296 WORD args[1];
1297 DWORD dwRet;
1298
1299 args[0] = WEP_FREE_DLL;
1300 WOWCallback16Ex( (DWORD)WEP, WCB16_PASCAL, sizeof(args), args, &dwRet );
1301 ret = LOWORD(dwRet);
1302 }
1303 __EXCEPT_PAGE_FAULT
1304 {
1305 WARN("Page fault\n");
1306 ret = 0;
1307 }
1308 __ENDTRY
1309
1310 return ret;
1311 }
1312
1313
1314 /**********************************************************************
1315 * NE_FreeModule
1316 *
1317 * Implementation of FreeModule16().
1318 */
1319 static BOOL16 NE_FreeModule( HMODULE16 hModule, BOOL call_wep )
1320 {
1321 HMODULE16 *hPrevModule;
1322 NE_MODULE *pModule;
1323 HMODULE16 *pModRef;
1324 int i;
1325
1326 if (!(pModule = NE_GetPtr( hModule ))) return FALSE;
1327 hModule = pModule->self;
1328
1329 TRACE("%04x count %d\n", hModule, pModule->count );
1330
1331 if (((INT16)(--pModule->count)) > 0 ) return TRUE;
1332 else pModule->count = 0;
1333
1334 if (call_wep && !(pModule->ne_flags & NE_FFLAGS_WIN32))
1335 {
1336 /* Free the objects owned by the DLL module */
1337 NE_CallUserSignalProc( hModule, USIG16_DLL_UNLOAD );
1338
1339 if (pModule->ne_flags & NE_FFLAGS_LIBMODULE)
1340 MODULE_CallWEP( hModule );
1341 else
1342 call_wep = FALSE; /* We are freeing a task -> no more WEPs */
1343 }
1344
1345 TRACE_(loaddll)("Unloaded module %s : %s\n", debugstr_a(NE_MODULE_NAME(pModule)),
1346 (pModule->ne_flags & NE_FFLAGS_BUILTIN) ? "builtin" : "native");
1347
1348 /* Clear magic number just in case */
1349
1350 pModule->ne_magic = pModule->self = 0;
1351 if (pModule->owner32) FreeLibrary( pModule->owner32 );
1352 else if (pModule->mapping) UnmapViewOfFile( pModule->mapping );
1353
1354 /* Remove it from the linked list */
1355
1356 hPrevModule = &hFirstModule;
1357 while (*hPrevModule && (*hPrevModule != hModule))
1358 {
1359 hPrevModule = &(NE_GetPtr( *hPrevModule ))->next;
1360 }
1361 if (*hPrevModule) *hPrevModule = pModule->next;
1362
1363 /* Free the referenced modules */
1364
1365 pModRef = (HMODULE16*)((char *)pModule + pModule->ne_modtab);
1366 for (i = 0; i < pModule->ne_cmod; i++, pModRef++)
1367 {
1368 NE_FreeModule( *pModRef, call_wep );
1369 }
1370
1371 /* Free the module storage */
1372
1373 GlobalFreeAll16( hModule );
1374 return TRUE;
1375 }
1376
1377
1378 /**********************************************************************
1379 * FreeModule (KERNEL.46)
1380 */
1381 BOOL16 WINAPI FreeModule16( HMODULE16 hModule )
1382 {
1383 return NE_FreeModule( hModule, TRUE );
1384 }
1385
1386
1387 /***********************************************************************
1388 * FreeLibrary (KERNEL.96)
1389 * FreeLibrary16 (KERNEL32.36)
1390 */
1391 void WINAPI FreeLibrary16( HINSTANCE16 handle )
1392 {
1393 TRACE("%04x\n", handle );
1394 FreeModule16( handle );
1395 }
1396
1397
1398 /***********************************************************************
1399 * GetModuleHandle16 (KERNEL32.@)
1400 */
1401 HMODULE16 WINAPI GetModuleHandle16( LPCSTR name )
1402 {
1403 HMODULE16 hModule;
1404 LPSTR s;
1405 BYTE len, *name_table;
1406 char tmpstr[MAX_PATH];
1407 NE_MODULE *pModule;
1408
1409 TRACE("(%s)\n", name);
1410
1411 if (!HIWORD(name)) return GetExePtr(LOWORD(name));
1412
1413 len = strlen(name);
1414 if (!len) return 0;
1415
1416 lstrcpynA(tmpstr, name, sizeof(tmpstr));
1417
1418 /* If 'name' matches exactly the module name of a module:
1419 * Return its handle.
1420 */
1421 for (hModule = hFirstModule; hModule ; hModule = pModule->next)
1422 {
1423 pModule = NE_GetPtr( hModule );
1424 if (!pModule) break;
1425 if (pModule->ne_flags & NE_FFLAGS_WIN32) continue;
1426
1427 name_table = (BYTE *)pModule + pModule->ne_restab;
1428 if ((*name_table == len) && !strncmp(name, (char*) name_table+1, len))
1429 return hModule;
1430 }
1431
1432 /* If uppercased 'name' matches exactly the module name of a module:
1433 * Return its handle
1434 */
1435 for (s = tmpstr; *s; s++) *s = RtlUpperChar(*s);
1436
1437 for (hModule = hFirstModule; hModule ; hModule = pModule->next)
1438 {
1439 pModule = NE_GetPtr( hModule );
1440 if (!pModule) break;
1441 if (pModule->ne_flags & NE_FFLAGS_WIN32) continue;
1442
1443 name_table = (BYTE *)pModule + pModule->ne_restab;
1444 /* FIXME: the strncasecmp is WRONG. It should not be case insensitive,
1445 * but case sensitive! (Unfortunately Winword 6 and subdlls have
1446 * lowercased module names, but try to load uppercase DLLs, so this
1447 * 'i' compare is just a quickfix until the loader handles that
1448 * correctly. -MM 990705
1449 */
1450 if ((*name_table == len) && !NE_strncasecmp(tmpstr, (const char*)name_table+1, len))
1451 return hModule;
1452 }
1453
1454 /* If the base filename of 'name' matches the base filename of the module
1455 * filename of some module (case-insensitive compare):
1456 * Return its handle.
1457 */
1458
1459 /* basename: search backwards in passed name to \ / or : */
1460 s = tmpstr + strlen(tmpstr);
1461 while (s > tmpstr)
1462 {
1463 if (s[-1]=='/' || s[-1]=='\\' || s[-1]==':')
1464 break;
1465 s--;
1466 }
1467
1468 /* search this in loaded filename list */
1469 for (hModule = hFirstModule; hModule ; hModule = pModule->next)
1470 {
1471 char *loadedfn;
1472 OFSTRUCT *ofs;
1473
1474 pModule = NE_GetPtr( hModule );
1475 if (!pModule) break;
1476 if (!pModule->fileinfo) continue;
1477 if (pModule->ne_flags & NE_FFLAGS_WIN32) continue;
1478
1479 ofs = (OFSTRUCT*)((BYTE *)pModule + pModule->fileinfo);
1480 loadedfn = ((char*)ofs->szPathName) + strlen(ofs->szPathName);
1481 /* basename: search backwards in pathname to \ / or : */
1482 while (loadedfn > (char*)ofs->szPathName)
1483 {
1484 if (loadedfn[-1]=='/' || loadedfn[-1]=='\\' || loadedfn[-1]==':')
1485 break;
1486 loadedfn--;
1487 }
1488 /* case insensitive compare ... */
1489 if (!NE_strcasecmp(loadedfn, s))
1490 return hModule;
1491 }
1492 return 0;
1493 }
1494
1495
1496 /**********************************************************************
1497 * GetModuleName (KERNEL.27)
1498 */
1499 BOOL16 WINAPI GetModuleName16( HINSTANCE16 hinst, LPSTR buf, INT16 count )
1500 {
1501 NE_MODULE *pModule;
1502 BYTE *p;
1503
1504 if (!(pModule = NE_GetPtr( hinst ))) return FALSE;
1505 p = (BYTE *)pModule + pModule->ne_restab;
1506 if (count > *p) count = *p + 1;
1507 if (count > 0)
1508 {
1509 memcpy( buf, p + 1, count - 1 );
1510 buf[count-1] = '\0';
1511 }
1512 return TRUE;
1513 }
1514
1515
1516 /**********************************************************************
1517 * GetModuleFileName (KERNEL.49)
1518 *
1519 * See also: GetModuleFileNameA
1520 *
1521 * This function returns short paths when the modules version field is < 4.0).
1522 *
1523 * Even if invoked by second instance of a program,
1524 * it still returns path of first one.
1525 */
1526 INT16 WINAPI GetModuleFileName16( HINSTANCE16 hModule, LPSTR lpFileName,
1527 INT16 nSize )
1528 {
1529 NE_MODULE *pModule;
1530
1531 /* Win95 does not query hModule if set to 0 !
1532 * Is this wrong or maybe Win3.1 only ? */
1533 if (!hModule) hModule = GetCurrentTask();
1534
1535 if (!(pModule = NE_GetPtr( hModule ))) return 0;
1536 lstrcpynA( lpFileName, NE_MODULE_NAME(pModule), nSize );
1537 if (pModule->ne_expver < 0x400)
1538 GetShortPathNameA(NE_MODULE_NAME(pModule), lpFileName, nSize);
1539 TRACE("%04x -> '%s'\n", hModule, lpFileName );
1540 return strlen(lpFileName);
1541 }
1542
1543
1544 /**********************************************************************
1545 * GetModuleUsage (KERNEL.48)
1546 */
1547 INT16 WINAPI GetModuleUsage16( HINSTANCE16 hModule )
1548 {
1549 NE_MODULE *pModule = NE_GetPtr( hModule );
1550 return pModule ? pModule->count : 0;
1551 }
1552
1553
1554 /**********************************************************************
1555 * GetExpWinVer (KERNEL.167)
1556 */
1557 WORD WINAPI GetExpWinVer16( HMODULE16 hModule )
1558 {
1559 NE_MODULE *pModule = NE_GetPtr( hModule );
1560 if ( !pModule ) return 0;
1561 return pModule->ne_expver;
1562 }
1563
1564
1565 /***********************************************************************
1566 * WinExec (KERNEL.166)
1567 */
1568 HINSTANCE16 WINAPI WinExec16( LPCSTR lpCmdLine, UINT16 nCmdShow )
1569 {
1570 LPCSTR p, args = NULL;
1571 LPCSTR name_beg, name_end;
1572 LPSTR name, cmdline;
1573 int arglen;
1574 HINSTANCE16 ret;
1575 char buffer[MAX_PATH];
1576 LOADPARAMS16 params;
1577 WORD showCmd[2];
1578
1579 if (*lpCmdLine == '"') /* has to be only one and only at beginning ! */
1580 {
1581 name_beg = lpCmdLine+1;
1582 p = strchr ( lpCmdLine+1, '"' );
1583 if (p)
1584 {
1585 name_end = p;
1586 args = strchr ( p, ' ' );
1587 }
1588 else /* yes, even valid with trailing '"' missing */
1589 name_end = lpCmdLine+strlen(lpCmdLine);
1590 }
1591 else
1592 {
1593 name_beg = lpCmdLine;
1594 args = strchr( lpCmdLine, ' ' );
1595 name_end = args ? args : lpCmdLine+strlen(lpCmdLine);
1596 }
1597
1598 if ((name_beg == lpCmdLine) && (!args))
1599 { /* just use the original cmdline string as file name */
1600 name = (LPSTR)lpCmdLine;
1601 }
1602 else
1603 {
1604 if (!(name = HeapAlloc( GetProcessHeap(), 0, name_end - name_beg + 1 )))
1605 return ERROR_NOT_ENOUGH_MEMORY;
1606 memcpy( name, name_beg, name_end - name_beg );
1607 name[name_end - name_beg] = '\0';
1608 }
1609
1610 if (args)
1611 {
1612 args++;
1613 arglen = strlen(args);
1614 cmdline = HeapAlloc( GetProcessHeap(), 0, 2 + arglen );
1615 cmdline[0] = (BYTE)arglen;
1616 strcpy( cmdline + 1, args );
1617 }
1618 else
1619 {
1620 cmdline = HeapAlloc( GetProcessHeap(), 0, 2 );
1621 cmdline[0] = cmdline[1] = 0;
1622 }
1623
1624 TRACE("name: '%s', cmdline: '%.*s'\n", name, cmdline[0], &cmdline[1]);
1625
1626 showCmd[0] = 2;
1627 showCmd[1] = nCmdShow;
1628
1629 params.hEnvironment = 0;
1630 params.cmdLine = MapLS( cmdline );
1631 params.showCmd = MapLS( showCmd );
1632 params.reserved = 0;
1633
1634 if (SearchPathA( NULL, name, ".exe", sizeof(buffer), buffer, NULL ))
1635 {
1636 ret = LoadModule16( buffer, &params );
1637 }
1638 else if (!contains_path( name )) /* try 16-bit builtin */
1639 {
1640 lstrcpynA( buffer, name, sizeof(buffer) );
1641 if (strlen( buffer ) < sizeof(buffer) - 4 && !strchr( buffer, '.' )) strcat( buffer, ".exe" );
1642 ret = LoadModule16( buffer, &params );
1643 if (ret == ERROR_FILE_NOT_FOUND) ret = 21; /* it might be a 32-bit builtin too */
1644 }
1645 else ret = ERROR_FILE_NOT_FOUND;
1646
1647 UnMapLS( params.cmdLine );
1648 UnMapLS( params.showCmd );
1649
1650 HeapFree( GetProcessHeap(), 0, cmdline );
1651 if (name != lpCmdLine) HeapFree( GetProcessHeap(), 0, name );
1652
1653 if (ret == 21 || ret == ERROR_BAD_FORMAT) /* 32-bit module or unknown executable*/
1654 {
1655 LOADPARAMS16 params;
1656 WORD showCmd[2];
1657 showCmd[0] = 2;
1658 showCmd[1] = nCmdShow;
1659
1660 arglen = strlen( lpCmdLine );
1661 cmdline = HeapAlloc( GetProcessHeap(), 0, arglen + 1 );
1662 cmdline[0] = (BYTE)arglen;
1663 memcpy( cmdline + 1, lpCmdLine, arglen );
1664
1665 params.hEnvironment = 0;
1666 params.cmdLine = MapLS( cmdline );
1667 params.showCmd = MapLS( showCmd );
1668 params.reserved = 0;
1669
1670 ret = LoadModule16( "winoldap.mod", &params );
1671 UnMapLS( params.cmdLine );
1672 UnMapLS( params.showCmd );
1673 }
1674 return ret;
1675 }
1676
1677 /***********************************************************************
1678 * GetProcAddress (KERNEL.50)
1679 */
1680 FARPROC16 WINAPI GetProcAddress16( HMODULE16 hModule, LPCSTR name )
1681 {
1682 WORD ordinal;
1683 FARPROC16 ret;
1684
1685 if (!hModule) hModule = GetCurrentTask();
1686 hModule = GetExePtr( hModule );
1687
1688 if (HIWORD(name) != 0)
1689 {
1690 ordinal = NE_GetOrdinal( hModule, name );
1691 TRACE("%04x '%s'\n", hModule, name );
1692 }
1693 else
1694 {
1695 ordinal = LOWORD(name);
1696 TRACE("%04x %04x\n", hModule, ordinal );
1697 }
1698 if (!ordinal) return NULL;
1699
1700 ret = NE_GetEntryPoint( hModule, ordinal );
1701
1702 TRACE("returning %p\n", ret );
1703 return ret;
1704 }
1705
1706
1707 /***************************************************************************
1708 * HasGPHandler (KERNEL.338)
1709 */
1710 SEGPTR WINAPI HasGPHandler16( SEGPTR address )
1711 {
1712 HMODULE16 hModule;
1713 int gpOrdinal;
1714 SEGPTR gpPtr;
1715 GPHANDLERDEF *gpHandler;
1716
1717 if ( (hModule = FarGetOwner16( SELECTOROF(address) )) != 0
1718 && (gpOrdinal = NE_GetOrdinal( hModule, "__GP" )) != 0
1719 && (gpPtr = (SEGPTR)NE_GetEntryPointEx( hModule, gpOrdinal, FALSE )) != 0
1720 && !IsBadReadPtr16( gpPtr, sizeof(GPHANDLERDEF) )
1721 && (gpHandler = MapSL( gpPtr )) != NULL )
1722 {
1723 while (gpHandler->selector)
1724 {
1725 if ( SELECTOROF(address) == gpHandler->selector
1726 && OFFSETOF(address) >= gpHandler->rangeStart
1727 && OFFSETOF(address) < gpHandler->rangeEnd )
1728 return MAKESEGPTR( gpHandler->selector, gpHandler->handler );
1729 gpHandler++;
1730 }
1731 }
1732
1733 return 0;
1734 }
1735
1736
1737 /**********************************************************************
1738 * GetModuleHandle (KERNEL.47)
1739 *
1740 * Find a module from a module name.
1741 *
1742 * NOTE: The current implementation works the same way the Windows 95 one
1743 * does. Do not try to 'fix' it, fix the callers.
1744 * + It does not do ANY extension handling (except that strange .EXE bit)!
1745 * + It does not care about paths, just about basenames. (same as Windows)
1746 *
1747 * RETURNS
1748 * LOWORD:
1749 * the win16 module handle if found
1750 * 0 if not
1751 * HIWORD (undocumented, see "Undocumented Windows", chapter 5):
1752 * Always hFirstModule
1753 */
1754 DWORD WINAPI WIN16_GetModuleHandle( SEGPTR name )
1755 {
1756 if (HIWORD(name) == 0)
1757 return MAKELONG(GetExePtr( (HINSTANCE16)name), hFirstModule );
1758 return MAKELONG(GetModuleHandle16( MapSL(name)), hFirstModule );
1759 }
1760
1761 /**********************************************************************
1762 * NE_GetModuleByFilename
1763 */
1764 static HMODULE16 NE_GetModuleByFilename( LPCSTR name )
1765 {
1766 HMODULE16 hModule;
1767 LPSTR s, p;
1768 BYTE len, *name_table;
1769 char tmpstr[MAX_PATH];
1770 NE_MODULE *pModule;
1771
1772 lstrcpynA(tmpstr, name, sizeof(tmpstr));
1773
1774 /* If the base filename of 'name' matches the base filename of the module
1775 * filename of some module (case-insensitive compare):
1776 * Return its handle.
1777 */
1778
1779 /* basename: search backwards in passed name to \ / or : */
1780 s = tmpstr + strlen(tmpstr);
1781 while (s > tmpstr)
1782 {
1783 if (s[-1]=='/' || s[-1]=='\\' || s[-1]==':')
1784 break;
1785 s--;
1786 }
1787
1788 /* search this in loaded filename list */
1789 for (hModule = hFirstModule; hModule ; hModule = pModule->next)
1790 {
1791 char *loadedfn;
1792 OFSTRUCT *ofs;
1793
1794 pModule = NE_GetPtr( hModule );
1795 if (!pModule) break;
1796 if (!pModule->fileinfo) continue;
1797 if (pModule->ne_flags & NE_FFLAGS_WIN32) continue;
1798
1799 ofs = (OFSTRUCT*)((BYTE *)pModule + pModule->fileinfo);
1800 loadedfn = ((char*)ofs->szPathName) + strlen(ofs->szPathName);
1801 /* basename: search backwards in pathname to \ / or : */
1802 while (loadedfn > (char*)ofs->szPathName)
1803 {
1804 if (loadedfn[-1]=='/' || loadedfn[-1]=='\\' || loadedfn[-1]==':')
1805 break;
1806 loadedfn--;
1807 }
1808 /* case insensitive compare ... */
1809 if (!NE_strcasecmp(loadedfn, s))
1810 return hModule;
1811 }
1812 /* If basename (without ext) matches the module name of a module:
1813 * Return its handle.
1814 */
1815
1816 if ( (p = strrchr( s, '.' )) != NULL ) *p = '\0';
1817 len = strlen(s);
1818
1819 for (hModule = hFirstModule; hModule ; hModule = pModule->next)
1820 {
1821 pModule = NE_GetPtr( hModule );
1822 if (!pModule) break;
1823 if (pModule->ne_flags & NE_FFLAGS_WIN32) continue;
1824
1825 name_table = (BYTE *)pModule + pModule->ne_restab;
1826 if ((*name_table == len) && !NE_strncasecmp(s, (const char*)name_table+1, len))
1827 return hModule;
1828 }
1829
1830 return 0;
1831 }
1832
1833 /***********************************************************************
1834 * GetProcAddress16 (KERNEL32.37)
1835 * Get procaddress in 16bit module from win32... (kernel32 undoc. ordinal func)
1836 */
1837 FARPROC16 WINAPI WIN32_GetProcAddress16( HMODULE hModule, LPCSTR name )
1838 {
1839 if (!hModule) return 0;
1840 if (HIWORD(hModule))
1841 {
1842 WARN("hModule is Win32 handle (%p)\n", hModule );
1843 return 0;
1844 }
1845 return GetProcAddress16( LOWORD(hModule), name );
1846 }
1847
1848 /***************************************************************************
1849 * IsRomModule (KERNEL.323)
1850 */
1851 BOOL16 WINAPI IsRomModule16( HMODULE16 unused )
1852 {
1853 return FALSE;
1854 }
1855
1856 /***************************************************************************
1857 * IsRomFile (KERNEL.326)
1858 */
1859 BOOL16 WINAPI IsRomFile16( HFILE16 unused )
1860 {
1861 return FALSE;
1862 }
1863
1864 /***********************************************************************
1865 * create_dummy_module
1866 *
1867 * Create a dummy NE module for Win32 or Winelib.
1868 */
1869 static HMODULE16 create_dummy_module( HMODULE module32 )
1870 {
1871 HMODULE16 hModule;
1872 NE_MODULE *pModule;
1873 SEGTABLEENTRY *pSegment;
1874 char *pStr;
1875 unsigned int len;
1876 const char *basename, *s;
1877 OFSTRUCT *ofs;
1878 int of_size, size;
1879 char filename[MAX_PATH];
1880 IMAGE_NT_HEADERS *nt = RtlImageNtHeader( module32 );
1881
1882 if (!nt) return ERROR_BAD_FORMAT;
1883
1884 /* Extract base filename */
1885 len = GetModuleFileNameA( module32, filename, sizeof(filename) );
1886 if (!len || len >= sizeof(filename)) return ERROR_BAD_FORMAT;
1887 basename = strrchr(filename, '\\');
1888 if (!basename) basename = filename;
1889 else basename++;
1890 len = strlen(basename);
1891 if ((s = strchr(basename, '.'))) len = s - basename;
1892
1893 /* Allocate module */
1894 of_size = sizeof(OFSTRUCT) - sizeof(ofs->szPathName)
1895 + strlen(filename) + 1;
1896 size = sizeof(NE_MODULE) +
1897 /* loaded file info */
1898 ((of_size + 3) & ~3) +
1899 /* segment table: DS,CS */
1900 2 * sizeof(SEGTABLEENTRY) +
1901 /* name table */
1902 len + 2 +
1903 /* several empty tables */
1904 8;
1905
1906 hModule = GlobalAlloc16( GMEM_MOVEABLE | GMEM_ZEROINIT, size );
1907 if (!hModule) return ERROR_BAD_FORMAT;
1908
1909 FarSetOwner16( hModule, hModule );
1910 pModule = GlobalLock16( hModule );
1911
1912 /* Set all used entries */
1913 pModule->ne_magic = IMAGE_OS2_SIGNATURE;
1914 pModule->count = 1;
1915 pModule->next = 0;
1916 pModule->ne_flags = NE_FFLAGS_WIN32;
1917 pModule->ne_autodata = 0;
1918 pModule->ne_sssp = MAKESEGPTR( 0, 1 );
1919 pModule->ne_csip = MAKESEGPTR( 0, 2 );
1920 pModule->ne_heap = 0;
1921 pModule->ne_stack = 0;
1922 pModule->ne_cseg = 2;
1923 pModule->ne_cmod = 0;
1924 pModule->ne_cbnrestab = 0;
1925 pModule->fileinfo = sizeof(NE_MODULE);
1926 pModule->ne_exetyp = NE_OSFLAGS_WINDOWS;
1927 pModule->self = hModule;
1928 pModule->module32 = module32;
1929
1930 /* Set version and flags */
1931 pModule->ne_expver = ((nt->OptionalHeader.MajorSubsystemVersion & 0xff) << 8 ) |
1932 (nt->OptionalHeader.MinorSubsystemVersion & 0xff);
1933 if (nt->FileHeader.Characteristics & IMAGE_FILE_DLL)
1934 pModule->ne_flags |= NE_FFLAGS_LIBMODULE | NE_FFLAGS_SINGLEDATA;
1935
1936 /* Set loaded file information */
1937 ofs = (OFSTRUCT *)(pModule + 1);
1938 memset( ofs, 0, of_size );
1939 ofs->cBytes = of_size < 256 ? of_size : 255; /* FIXME */
1940 strcpy( ofs->szPathName, filename );
1941
1942 pSegment = (SEGTABLEENTRY*)((char*)(pModule + 1) + ((of_size + 3) & ~3));
1943 pModule->ne_segtab = (char *)pSegment - (char *)pModule;
1944 /* Data segment */
1945 pSegment->size = 0;
1946 pSegment->flags = NE_SEGFLAGS_DATA;
1947 pSegment->minsize = 0x1000;
1948 pSegment++;
1949 /* Code segment */
1950 pSegment->flags = 0;
1951 pSegment++;
1952
1953 /* Module name */
1954 pStr = (char *)pSegment;
1955 pModule->ne_restab = pStr - (char *)pModule;
1956 assert(len<256);
1957 *pStr = len;
1958 lstrcpynA( pStr+1, basename, len+1 );
1959 pStr += len+2;
1960
1961 /* All tables zero terminated */
1962 pModule->ne_rsrctab = pModule->ne_imptab = pModule->ne_enttab = pStr - (char *)pModule;
1963
1964 NE_RegisterModule( pModule );
1965 pModule->owner32 = LoadLibraryA( filename ); /* increment the ref count of the 32-bit module */
1966 return hModule;
1967 }
1968
1969 /***********************************************************************
1970 * PrivateLoadLibrary (KERNEL32.@)
1971 *
1972 * FIXME: rough guesswork, don't know what "Private" means
1973 */
1974 HINSTANCE16 WINAPI PrivateLoadLibrary(LPCSTR libname)
1975 {
1976 return LoadLibrary16(libname);
1977 }
1978
1979 /***********************************************************************
1980 * PrivateFreeLibrary (KERNEL32.@)
1981 *
1982 * FIXME: rough guesswork, don't know what "Private" means
1983 */
1984 void WINAPI PrivateFreeLibrary(HINSTANCE16 handle)
1985 {
1986 FreeLibrary16(handle);
1987 }
1988
1989 /***********************************************************************
1990 * LoadLibrary32 (KERNEL.452)
1991 * LoadSystemLibrary32 (KERNEL.482)
1992 */
1993 HMODULE WINAPI LoadLibrary32_16( LPCSTR libname )
1994 {
1995 HMODULE hModule;
1996 DWORD count;
1997
1998 ReleaseThunkLock( &count );
1999 hModule = LoadLibraryA( libname );
2000 RestoreThunkLock( count );
2001 return hModule;
2002 }
2003
2004 /***************************************************************************
2005 * MapHModuleLS (KERNEL32.@)
2006 */
2007 HMODULE16 WINAPI MapHModuleLS(HMODULE hmod)
2008 {
2009 HMODULE16 ret;
2010 NE_MODULE *pModule;
2011
2012 if (!hmod)
2013 return TASK_GetCurrent()->hInstance;
2014 if (!HIWORD(hmod))
2015 return LOWORD(hmod); /* we already have a 16 bit module handle */
2016 pModule = GlobalLock16(hFirstModule);
2017 while (pModule) {
2018 if (pModule->module32 == hmod)
2019 return pModule->self;
2020 pModule = GlobalLock16(pModule->next);
2021 }
2022 if ((ret = create_dummy_module( hmod )) < 32)
2023 {
2024 SetLastError(ret);
2025 ret = 0;
2026 }
2027 return ret;
2028 }
2029
2030 /***************************************************************************
2031 * MapHModuleSL (KERNEL32.@)
2032 */
2033 HMODULE WINAPI MapHModuleSL(HMODULE16 hmod)
2034 {
2035 NE_MODULE *pModule;
2036
2037 if (!hmod) {
2038 TDB *pTask = TASK_GetCurrent();
2039 hmod = pTask->hModule;
2040 }
2041 pModule = GlobalLock16(hmod);
2042 if ((pModule->ne_magic != IMAGE_OS2_SIGNATURE) || !(pModule->ne_flags & NE_FFLAGS_WIN32))
2043 return 0;
2044 return pModule->module32;
2045 }
2046
2047 /***************************************************************************
2048 * MapHInstLS (KERNEL.472)
2049 */
2050 void WINAPI MapHInstLS16( CONTEXT *context )
2051 {
2052 context->Eax = MapHModuleLS( (HMODULE)context->Eax );
2053 }
2054
2055 /***************************************************************************
2056 * MapHInstSL (KERNEL.473)
2057 */
2058 void WINAPI MapHInstSL16( CONTEXT *context )
2059 {
2060 context->Eax = (DWORD)MapHModuleSL( context->Eax );
2061 }
2062
2063 /***************************************************************************
2064 * MapHInstLS (KERNEL32.@)
2065 */
2066 __ASM_STDCALL_FUNC( MapHInstLS, 0,
2067 "pushl %eax\n\t"
2068 "call " __ASM_NAME("MapHModuleLS") __ASM_STDCALL(4) "\n\t"
2069 "ret" )
2070
2071 /***************************************************************************
2072 * MapHInstSL (KERNEL32.@)
2073 */
2074 __ASM_STDCALL_FUNC( MapHInstSL, 0,
2075 "pushl %eax\n\t"
2076 "call " __ASM_NAME("MapHModuleSL") __ASM_STDCALL(4) "\n\t"
2077 "ret" )
2078
2079 /***************************************************************************
2080 * MapHInstLS_PN (KERNEL32.@)
2081 */
2082 __ASM_STDCALL_FUNC( MapHInstLS_PN, 0,
2083 "testl %eax,%eax\n\t"
2084 "jz 1f\n\t"
2085 "pushl %eax\n\t"
2086 "call " __ASM_NAME("MapHModuleLS") __ASM_STDCALL(4) "\n"
2087 "1:\tret" )
2088
2089 /***************************************************************************
2090 * MapHInstSL_PN (KERNEL32.@)
2091 */
2092 __ASM_STDCALL_FUNC( MapHInstSL_PN, 0,
2093 "andl $0xffff,%eax\n\t"
2094 "jz 1f\n\t"
2095 "pushl %eax\n\t"
2096 "call " __ASM_NAME("MapHModuleSL") __ASM_STDCALL(4) "\n"
2097 "1:\tret" )
Maarten's multimedia branch