Fixed/commented out duplicate entry point names.
[wine/multimedia.git] / relay32 / builtin32.c
blob480d836f87c978c1a6aebecbc1244b0152f6f73b
1 /*
2 * Win32 builtin functions
4 * Copyright 1997 Alexandre Julliard
5 */
7 #include <assert.h>
8 #include <string.h>
9 #include <ctype.h>
10 #include "winuser.h"
11 #include "builtin32.h"
12 #include "peexe.h"
13 #include "neexe.h"
14 #include "heap.h"
15 #include "main.h"
16 #include "snoop.h"
17 #include "winerror.h"
18 #include "debugtools.h"
20 DECLARE_DEBUG_CHANNEL(relay)
21 DECLARE_DEBUG_CHANNEL(win32)
22 DECLARE_DEBUG_CHANNEL(module)
24 typedef struct
26 BYTE call; /* 0xe8 call callfrom32 (relative) */
27 DWORD callfrom32 WINE_PACKED; /* RELAY_CallFrom32 relative addr */
28 BYTE ret; /* 0xc2 ret $n or 0xc3 ret */
29 WORD args; /* nb of args to remove from the stack */
30 } DEBUG_ENTRY_POINT;
32 typedef struct
34 const BYTE *restab;
35 const DWORD nresources;
36 const DWORD restabsize;
37 const IMAGE_RESOURCE_DATA_ENTRY *entries;
38 } BUILTIN32_RESOURCE;
40 typedef struct
42 const BUILTIN32_DESCRIPTOR *descr; /* DLL descriptor */
43 DWORD flags;
44 HMODULE hModule;
45 const BUILTIN32_RESOURCE *rsc;
46 } BUILTIN32_DLL;
48 #define BI32_INSTANTIATED 0x01
49 #define BI32_DANGER 0x02
51 extern const BUILTIN32_DESCRIPTOR ADVAPI32_Descriptor;
52 extern const BUILTIN32_DESCRIPTOR AVIFIL32_Descriptor;
53 extern const BUILTIN32_DESCRIPTOR COMCTL32_Descriptor;
54 extern const BUILTIN32_DESCRIPTOR COMDLG32_Descriptor;
55 extern const BUILTIN32_DESCRIPTOR CRTDLL_Descriptor;
56 extern const BUILTIN32_DESCRIPTOR DCIMAN32_Descriptor;
57 extern const BUILTIN32_DESCRIPTOR DDRAW_Descriptor;
58 extern const BUILTIN32_DESCRIPTOR DINPUT_Descriptor;
59 extern const BUILTIN32_DESCRIPTOR DPLAY_Descriptor;
60 extern const BUILTIN32_DESCRIPTOR DPLAYX_Descriptor;
61 extern const BUILTIN32_DESCRIPTOR DSOUND_Descriptor;
62 extern const BUILTIN32_DESCRIPTOR GDI32_Descriptor;
63 extern const BUILTIN32_DESCRIPTOR ICMP_Descriptor;
64 extern const BUILTIN32_DESCRIPTOR IMAGEHLP_Descriptor;
65 extern const BUILTIN32_DESCRIPTOR IMM32_Descriptor;
66 extern const BUILTIN32_DESCRIPTOR KERNEL32_Descriptor;
67 extern const BUILTIN32_DESCRIPTOR LZ32_Descriptor;
68 extern const BUILTIN32_DESCRIPTOR MPR_Descriptor;
69 extern const BUILTIN32_DESCRIPTOR MCIANIM_Descriptor;
70 extern const BUILTIN32_DESCRIPTOR MCIAVI_Descriptor;
71 extern const BUILTIN32_DESCRIPTOR MCICDA_Descriptor;
72 extern const BUILTIN32_DESCRIPTOR MCISEQ_Descriptor;
73 extern const BUILTIN32_DESCRIPTOR MCIWAVE_Descriptor;
74 extern const BUILTIN32_DESCRIPTOR MIDIMAP_Descriptor;
75 extern const BUILTIN32_DESCRIPTOR MSACM32_Descriptor;
76 extern const BUILTIN32_DESCRIPTOR MSACMMAP_Descriptor;
77 extern const BUILTIN32_DESCRIPTOR MSNET32_Descriptor;
78 extern const BUILTIN32_DESCRIPTOR MSVFW32_Descriptor;
79 extern const BUILTIN32_DESCRIPTOR NTDLL_Descriptor;
80 extern const BUILTIN32_DESCRIPTOR ODBC32_Descriptor;
81 extern const BUILTIN32_DESCRIPTOR OLE32_Descriptor;
82 extern const BUILTIN32_DESCRIPTOR OLEAUT32_Descriptor;
83 extern const BUILTIN32_DESCRIPTOR OLECLI32_Descriptor;
84 extern const BUILTIN32_DESCRIPTOR OLEDLG_Descriptor;
85 extern const BUILTIN32_DESCRIPTOR OLESVR32_Descriptor;
86 extern const BUILTIN32_DESCRIPTOR PSAPI_Descriptor;
87 extern const BUILTIN32_DESCRIPTOR RASAPI32_Descriptor;
88 extern const BUILTIN32_DESCRIPTOR SHELL32_Descriptor;
89 extern const BUILTIN32_DESCRIPTOR SHLWAPI_Descriptor;
90 extern const BUILTIN32_DESCRIPTOR TAPI32_Descriptor;
91 extern const BUILTIN32_DESCRIPTOR USER32_Descriptor;
92 extern const BUILTIN32_DESCRIPTOR VERSION_Descriptor;
93 extern const BUILTIN32_DESCRIPTOR W32SKRNL_Descriptor;
94 extern const BUILTIN32_DESCRIPTOR WINEOSS_Descriptor;
95 extern const BUILTIN32_DESCRIPTOR WINMM_Descriptor;
96 extern const BUILTIN32_DESCRIPTOR WINSPOOL_Descriptor;
97 extern const BUILTIN32_DESCRIPTOR WNASPI32_Descriptor;
98 extern const BUILTIN32_DESCRIPTOR WOW32_Descriptor;
99 extern const BUILTIN32_DESCRIPTOR WSOCK32_Descriptor;
101 extern const BUILTIN32_RESOURCE comctl32_ResourceDescriptor;
102 extern const BUILTIN32_RESOURCE comdlg32_ResourceDescriptor;
103 extern const BUILTIN32_RESOURCE shell32_ResourceDescriptor;
104 extern const BUILTIN32_RESOURCE user32_ResourceDescriptor;
105 extern const BUILTIN32_RESOURCE winmm_ResourceDescriptor;
107 static BUILTIN32_DLL BuiltinDLLs[] =
109 { &ADVAPI32_Descriptor, 0, 0, NULL },
110 { &AVIFIL32_Descriptor, 0, 0, NULL },
111 { &COMCTL32_Descriptor, BI32_DANGER, 0, &comctl32_ResourceDescriptor },
112 { &COMDLG32_Descriptor, BI32_DANGER, 0, &comdlg32_ResourceDescriptor },
113 { &CRTDLL_Descriptor, BI32_DANGER, 0, NULL },
114 { &DCIMAN32_Descriptor, 0, 0, NULL },
115 { &DDRAW_Descriptor, 0, 0, NULL },
116 { &DINPUT_Descriptor, 0, 0, NULL },
117 { &DPLAY_Descriptor, 0, 0, NULL },
118 { &DPLAYX_Descriptor, 0, 0, NULL },
119 { &DSOUND_Descriptor, 0, 0, NULL },
120 { &GDI32_Descriptor, 0, 0, NULL },
121 { &ICMP_Descriptor, 0, 0, NULL },
122 { &IMAGEHLP_Descriptor, BI32_DANGER, 0, NULL },
123 { &IMM32_Descriptor, 0, 0, NULL },
124 { &KERNEL32_Descriptor, 0, 0, NULL },
125 { &LZ32_Descriptor, 0, 0, NULL },
126 { &MCIANIM_Descriptor, 0, 0, NULL },
127 { &MCIAVI_Descriptor, 0, 0, NULL },
128 { &MCICDA_Descriptor, 0, 0, NULL },
129 { &MCISEQ_Descriptor, 0, 0, NULL },
130 { &MCIWAVE_Descriptor, 0, 0, NULL },
131 { &MIDIMAP_Descriptor, 0, 0, NULL },
132 { &MPR_Descriptor, 0, 0, NULL },
133 { &MSACM32_Descriptor, BI32_DANGER, 0, NULL },
134 { &MSACMMAP_Descriptor, 0, 0, NULL },
135 { &MSNET32_Descriptor, 0, 0, NULL },
136 { &MSVFW32_Descriptor, 0, 0, NULL },
137 { &NTDLL_Descriptor, 0, 0, NULL },
138 { &ODBC32_Descriptor, 0, 0, NULL },
139 { &OLE32_Descriptor, 0, 0, NULL },
140 { &OLEAUT32_Descriptor, 0, 0, NULL },
141 { &OLECLI32_Descriptor, 0, 0, NULL },
142 { &OLEDLG_Descriptor, 0, 0, NULL },
143 { &OLESVR32_Descriptor, 0, 0, NULL },
144 { &PSAPI_Descriptor, 0, 0, NULL },
145 { &RASAPI32_Descriptor, 0, 0, NULL },
146 { &SHELL32_Descriptor, BI32_DANGER, 0, &shell32_ResourceDescriptor },
147 { &SHLWAPI_Descriptor, 0, 0, NULL },
148 { &TAPI32_Descriptor, 0, 0, NULL },
149 { &USER32_Descriptor, 0, 0, &user32_ResourceDescriptor },
150 { &VERSION_Descriptor, 0, 0, NULL },
151 { &W32SKRNL_Descriptor, 0, 0, NULL },
152 { &WINMM_Descriptor, 0, 0, &winmm_ResourceDescriptor },
153 { &WINSPOOL_Descriptor, 0, 0, NULL },
154 { &WINEOSS_Descriptor, 0, 0, NULL },
155 { &WNASPI32_Descriptor, 0, 0, NULL },
156 { &WOW32_Descriptor, 0, 0, NULL },
157 { &WSOCK32_Descriptor, 0, 0, NULL },
158 /* Last entry */
159 { NULL, 0, 0, NULL }
162 extern void RELAY_CallFrom32();
163 extern void RELAY_CallFrom32Regs();
165 /***********************************************************************
166 * BUILTIN32_DoLoadImage
168 * Load a built-in Win32 module. Helper function for BUILTIN32_LoadImage.
170 static HMODULE BUILTIN32_DoLoadImage( BUILTIN32_DLL *dll )
173 IMAGE_DATA_DIRECTORY *dir;
174 IMAGE_DOS_HEADER *dos;
175 IMAGE_NT_HEADERS *nt;
176 IMAGE_SECTION_HEADER *sec;
177 IMAGE_EXPORT_DIRECTORY *exp;
178 IMAGE_IMPORT_DESCRIPTOR *imp;
179 LPVOID *funcs;
180 LPSTR *names;
181 LPSTR pfwd;
182 DEBUG_ENTRY_POINT *debug;
183 INT i, size, nb_sections;
184 BYTE *addr;
186 /* Allocate the module */
188 nb_sections = 2; /* exports + code */
189 if (dll->descr->nb_imports) nb_sections++;
190 size = (sizeof(IMAGE_DOS_HEADER)
191 + sizeof(IMAGE_NT_HEADERS)
192 + nb_sections * sizeof(IMAGE_SECTION_HEADER)
193 + (dll->descr->nb_imports+1) * sizeof(IMAGE_IMPORT_DESCRIPTOR)
194 + sizeof(IMAGE_EXPORT_DIRECTORY)
195 + dll->descr->nb_funcs * sizeof(LPVOID)
196 + dll->descr->nb_names * sizeof(LPSTR)
197 + dll->descr->fwd_size);
198 #ifdef __i386__
199 if (WARN_ON(relay) || TRACE_ON(relay))
200 size += dll->descr->nb_funcs * sizeof(DEBUG_ENTRY_POINT);
201 #endif
202 addr = VirtualAlloc( NULL, size, MEM_COMMIT, PAGE_EXECUTE_READWRITE );
203 if (!addr) return 0;
204 dos = (IMAGE_DOS_HEADER *)addr;
205 nt = (IMAGE_NT_HEADERS *)(dos + 1);
206 sec = (IMAGE_SECTION_HEADER *)(nt + 1);
207 imp = (IMAGE_IMPORT_DESCRIPTOR *)(sec + nb_sections);
208 exp = (IMAGE_EXPORT_DIRECTORY *)(imp + dll->descr->nb_imports + 1);
209 funcs = (LPVOID *)(exp + 1);
210 names = (LPSTR *)(funcs + dll->descr->nb_funcs);
211 pfwd = (LPSTR)(names + dll->descr->nb_names);
212 debug = (DEBUG_ENTRY_POINT *)(pfwd + dll->descr->fwd_size);
214 /* Build the DOS and NT headers */
216 dos->e_magic = IMAGE_DOS_SIGNATURE;
217 dos->e_lfanew = sizeof(*dos);
219 nt->Signature = IMAGE_NT_SIGNATURE;
220 nt->FileHeader.Machine = IMAGE_FILE_MACHINE_I386;
221 nt->FileHeader.NumberOfSections = nb_sections;
222 nt->FileHeader.SizeOfOptionalHeader = sizeof(nt->OptionalHeader);
223 nt->FileHeader.Characteristics = IMAGE_FILE_DLL;
225 nt->OptionalHeader.Magic = IMAGE_NT_OPTIONAL_HDR_MAGIC;
226 nt->OptionalHeader.SizeOfCode = 0x1000;
227 nt->OptionalHeader.SizeOfInitializedData = 0;
228 nt->OptionalHeader.SizeOfUninitializedData = 0;
229 nt->OptionalHeader.ImageBase = (DWORD)addr;
230 nt->OptionalHeader.SectionAlignment = 0x1000;
231 nt->OptionalHeader.FileAlignment = 0x1000;
232 nt->OptionalHeader.MajorOperatingSystemVersion = 1;
233 nt->OptionalHeader.MinorOperatingSystemVersion = 0;
234 nt->OptionalHeader.MajorSubsystemVersion = 4;
235 nt->OptionalHeader.MinorSubsystemVersion = 0;
236 nt->OptionalHeader.SizeOfImage = size;
237 nt->OptionalHeader.SizeOfHeaders = (BYTE *)exp - addr;
238 nt->OptionalHeader.NumberOfRvaAndSizes = IMAGE_NUMBEROF_DIRECTORY_ENTRIES;
239 if (dll->descr->dllentrypoint)
240 nt->OptionalHeader.AddressOfEntryPoint = (DWORD)dll->descr->dllentrypoint - (DWORD)addr;
242 /* Build the code section */
244 strcpy( sec->Name, ".code" );
245 sec->SizeOfRawData = 0;
246 #ifdef __i386__
247 if (WARN_ON(relay) || TRACE_ON(relay))
248 sec->SizeOfRawData += dll->descr->nb_funcs * sizeof(DEBUG_ENTRY_POINT);
249 #endif
250 sec->Misc.VirtualSize = sec->SizeOfRawData;
251 sec->VirtualAddress = (BYTE *)debug - addr;
252 sec->PointerToRawData = (BYTE *)debug - addr;
253 sec->Characteristics = (IMAGE_SCN_CNT_INITIALIZED_DATA |
254 IMAGE_SCN_MEM_EXECUTE | IMAGE_SCN_MEM_READ);
255 sec++;
257 /* Build the import directory */
259 if (dll->descr->nb_imports)
261 dir = &nt->OptionalHeader.DataDirectory[IMAGE_FILE_IMPORT_DIRECTORY];
262 dir->VirtualAddress = (BYTE *)imp - addr;
263 dir->Size = sizeof(*imp) * (dll->descr->nb_imports + 1);
265 /* Build the imports section */
266 strcpy( sec->Name, ".idata" );
267 sec->Misc.VirtualSize = dir->Size;
268 sec->VirtualAddress = (BYTE *)imp - addr;
269 sec->SizeOfRawData = dir->Size;
270 sec->PointerToRawData = (BYTE *)imp - addr;
271 sec->Characteristics = (IMAGE_SCN_CNT_INITIALIZED_DATA |
272 IMAGE_SCN_MEM_EXECUTE | IMAGE_SCN_MEM_READ |
273 IMAGE_SCN_MEM_WRITE);
274 sec++;
276 /* Build the imports */
277 for (i = 0; i < dll->descr->nb_imports; i++)
279 imp[i].u.Characteristics = 0;
280 imp[i].ForwarderChain = -1;
281 imp[i].Name = (BYTE *)dll->descr->imports[i] - addr;
282 /* hack: make first thunk point to some zero value */
283 imp[i].FirstThunk = (PIMAGE_THUNK_DATA)((BYTE *)&imp[i].u.Characteristics - addr);
287 /* Build the export directory */
289 dir = &nt->OptionalHeader.DataDirectory[IMAGE_FILE_EXPORT_DIRECTORY];
290 dir->VirtualAddress = (BYTE *)exp - addr;
291 dir->Size = sizeof(*exp)
292 + dll->descr->nb_funcs * sizeof(LPVOID)
293 + dll->descr->nb_names * sizeof(LPSTR)
294 + dll->descr->fwd_size;
296 /* Build the exports section */
298 strcpy( sec->Name, ".edata" );
299 sec->Misc.VirtualSize = dir->Size;
300 sec->VirtualAddress = (BYTE *)exp - addr;
301 sec->SizeOfRawData = dir->Size;
302 sec->PointerToRawData = (BYTE *)exp - addr;
303 sec->Characteristics = (IMAGE_SCN_CNT_INITIALIZED_DATA |
304 IMAGE_SCN_MEM_EXECUTE | IMAGE_SCN_MEM_READ |
305 IMAGE_SCN_MEM_WRITE);
306 sec++;
308 /* Build the resource directory */
309 if(dll->rsc)
311 int i;
312 void *rtab;
313 IMAGE_RESOURCE_DATA_ENTRY *rdep;
315 rtab = HeapAlloc(GetProcessHeap(), 0, dll->rsc->restabsize);
316 if(!rtab)
318 ERR_(module)("Failed to get memory for resource directory\n");
319 VirtualFree(addr, size, MEM_RELEASE);
320 return 0;
324 * The resource directory has to be copied because it contains
325 * RVAs. These would be invalid if the dll is instantiated twice.
327 memcpy(rtab, dll->rsc->restab, dll->rsc->restabsize);
329 dir = &nt->OptionalHeader.DataDirectory[IMAGE_FILE_RESOURCE_DIRECTORY];
330 dir->VirtualAddress = (DWORD)rtab - (DWORD)addr;
331 dir->Size = dll->rsc->restabsize;
332 rdep = (IMAGE_RESOURCE_DATA_ENTRY *)((DWORD)rtab + (DWORD)dll->rsc->entries - (DWORD)dll->rsc->restab);
333 for(i = 0; i < dll->rsc->nresources; i++)
335 rdep[i].OffsetToData += (DWORD)dll->rsc->restab - (DWORD)addr;
339 /* Build the exports section data */
341 exp->Name = ((BYTE *)dll->descr->name) - addr; /*??*/
342 exp->Base = dll->descr->base;
343 exp->NumberOfFunctions = dll->descr->nb_funcs;
344 exp->NumberOfNames = dll->descr->nb_names;
345 exp->AddressOfFunctions = (LPDWORD *)((BYTE *)funcs - addr);
346 exp->AddressOfNames = (LPDWORD *)((BYTE *)names - addr);
347 exp->AddressOfNameOrdinals = (LPWORD *)((BYTE *)dll->descr->ordinals - addr);
349 /* Build the funcs table */
351 for (i = 0; i < dll->descr->nb_funcs; i++, funcs++, debug++)
353 BYTE args = dll->descr->args[i];
354 int j;
356 if (!dll->descr->functions[i]) continue;
358 if (args == 0xfd) /* forward func */
360 strcpy( pfwd, (LPSTR)dll->descr->functions[i] );
361 *funcs = (LPVOID)((BYTE *)pfwd - addr);
362 pfwd += strlen(pfwd) + 1;
364 else *funcs = (LPVOID)((BYTE *)dll->descr->functions[i] - addr);
366 #ifdef __i386__
367 if (!(WARN_ON(relay) || TRACE_ON(relay))) continue;
368 for (j=0;j<dll->descr->nb_names;j++)
369 if (dll->descr->ordinals[j] == i)
370 break;
371 if (j<dll->descr->nb_names) {
372 if (dll->descr->names[j]) {
373 char buffer[200];
374 sprintf(buffer,"%s.%d: %s",dll->descr->name,i,dll->descr->names[j]);
375 if (!RELAY_ShowDebugmsgRelay(buffer))
376 continue;
379 switch(args)
381 case 0xfd: /* forward */
382 case 0xff: /* stub or extern */
383 break;
384 default: /* normal function (stdcall or cdecl or register) */
385 if (TRACE_ON(relay)) {
386 debug->call = 0xe8; /* lcall relative */
387 if (args & 0x40) /* register func */
388 debug->callfrom32 = (DWORD)RELAY_CallFrom32Regs -
389 (DWORD)&debug->ret;
390 else
391 debug->callfrom32 = (DWORD)RELAY_CallFrom32 -
392 (DWORD)&debug->ret;
393 } else {
394 debug->call = 0xe9; /* ljmp relative */
395 debug->callfrom32 = (DWORD)dll->descr->functions[i] -
396 (DWORD)&debug->ret;
398 debug->ret = (args & 0x80) ? 0xc3 : 0xc2; /*ret/ret $n*/
399 debug->args = (args & 0x3f) * sizeof(int);
400 *funcs = (LPVOID)((BYTE *)debug - addr);
401 break;
403 #endif /* __i386__ */
406 /* Build the names table */
408 for (i = 0; i < exp->NumberOfNames; i++, names++)
409 if (dll->descr->names[i])
410 *names = (LPSTR)((BYTE *)dll->descr->names[i] - addr);
412 return (HMODULE)addr;
415 /***********************************************************************
416 * BUILTIN32_LoadLibraryExA
418 * Partly copied from the original PE_ version.
421 WINE_MODREF *BUILTIN32_LoadLibraryExA(LPCSTR path, DWORD flags, DWORD *err)
423 BUILTIN32_DLL *table;
424 HMODULE16 hModule16;
425 NE_MODULE *pModule;
426 WINE_MODREF *wm;
427 char dllname[256], *p;
429 /* Fix the name in case we have a full path and extension */
430 if ((p = strrchr( path, '\\' ))) path = p + 1;
431 lstrcpynA( dllname, path, sizeof(dllname) );
433 p = strrchr( dllname, '.' );
434 if (!p) strcat( dllname, ".dll" );
436 /* Search built-in descriptor */
437 for ( table = BuiltinDLLs; table->descr; table++ )
438 if (!lstrcmpiA( table->descr->filename, dllname )) break;
440 if ( !table->descr )
442 *err = ERROR_FILE_NOT_FOUND;
443 return NULL;
446 /* Load built-in module */
447 if ( (table->flags & BI32_INSTANTIATED) && (table->flags & BI32_DANGER) )
448 ERR_(module)( "Attempt to instantiate built-in dll '%s' twice "
449 "in the same address-space. Expect trouble!\n",
450 table->descr->name );
452 if ( !table->hModule )
453 table->hModule = BUILTIN32_DoLoadImage( table );
454 if ( table->hModule )
455 table->flags |= BI32_INSTANTIATED;
456 else
458 *err = ERROR_FILE_NOT_FOUND;
459 return NULL;
462 /* Create 16-bit dummy module */
463 if ((hModule16 = MODULE_CreateDummyModule( dllname, 0 )) < 32)
465 *err = (DWORD)hModule16;
466 return NULL; /* FIXME: Should unload the builtin module */
469 pModule = (NE_MODULE *)GlobalLock16( hModule16 );
470 pModule->flags = NE_FFLAGS_LIBMODULE | NE_FFLAGS_SINGLEDATA | NE_FFLAGS_WIN32 | NE_FFLAGS_BUILTIN;
471 pModule->module32 = table->hModule;
473 /* Create 32-bit MODREF */
474 if ( !(wm = PE_CreateModule( table->hModule, dllname, flags, TRUE )) )
476 ERR_(win32)( "can't load %s\n", path );
477 FreeLibrary16( hModule16 ); /* FIXME: Should unload the builtin module */
478 *err = ERROR_OUTOFMEMORY;
479 return NULL;
482 if (wm->binfmt.pe.pe_export)
483 SNOOP_RegisterDLL(wm->module,wm->modname,wm->binfmt.pe.pe_export->NumberOfFunctions);
485 *err = 0;
486 return wm;
490 /***********************************************************************
491 * BUILTIN32_UnloadLibrary
493 * Unload the built-in library and free the modref.
495 void BUILTIN32_UnloadLibrary(WINE_MODREF *wm)
497 /* FIXME: do something here */
501 /***********************************************************************
502 * BUILTIN32_GetEntryPoint
504 * Return the name of the DLL entry point corresponding
505 * to a relay entry point address. This is used only by relay debugging.
507 * This function _must_ return the real entry point to call
508 * after the debug info is printed.
510 ENTRYPOINT32 BUILTIN32_GetEntryPoint( char *buffer, void *relay,
511 unsigned int *typemask )
513 BUILTIN32_DLL *dll;
514 int ordinal = 0, i;
516 /* First find the module */
518 for (dll = BuiltinDLLs; dll->descr; dll++)
519 if ( dll->flags & BI32_INSTANTIATED )
521 IMAGE_SECTION_HEADER *sec = PE_SECTIONS(dll->hModule);
522 DEBUG_ENTRY_POINT *debug =
523 (DEBUG_ENTRY_POINT *)((DWORD)dll->hModule + sec[0].VirtualAddress);
524 DEBUG_ENTRY_POINT *func = (DEBUG_ENTRY_POINT *)relay;
526 if (debug <= func && func < debug + dll->descr->nb_funcs)
528 ordinal = func - debug;
529 break;
533 if (!dll->descr)
534 return (ENTRYPOINT32)NULL;
536 /* Now find the function */
538 for (i = 0; i < dll->descr->nb_names; i++)
539 if (dll->descr->ordinals[i] == ordinal) break;
541 sprintf( buffer, "%s.%d: %s", dll->descr->name, ordinal + dll->descr->base,
542 (i < dll->descr->nb_names) ? dll->descr->names[i] : "@" );
543 *typemask = dll->descr->argtypes[ordinal];
544 return dll->descr->functions[ordinal];
547 /***********************************************************************
548 * BUILTIN32_SwitchRelayDebug
550 * FIXME: enhance to do it module relative.
552 void BUILTIN32_SwitchRelayDebug(BOOL onoff) {
553 BUILTIN32_DLL *dll;
554 int i;
556 #ifdef __i386__
557 if (!(TRACE_ON(relay) || WARN_ON(relay)))
558 return;
559 for (dll = BuiltinDLLs; dll->descr; dll++) {
560 IMAGE_SECTION_HEADER *sec;
561 DEBUG_ENTRY_POINT *debug;
562 if (!(dll->flags & BI32_INSTANTIATED))
563 continue;
565 sec = PE_SECTIONS(dll->hModule);
566 debug = (DEBUG_ENTRY_POINT *)((DWORD)dll->hModule + sec[1].VirtualAddress);
567 for (i = 0; i < dll->descr->nb_funcs; i++,debug++) {
568 if (!dll->descr->functions[i]) continue;
569 if ((dll->descr->args[i]==0xff) || (dll->descr->args[i]==0xfe))
570 continue;
571 if (onoff) {
572 debug->call = 0xe8; /* lcall relative */
573 debug->callfrom32 = (DWORD)RELAY_CallFrom32 -
574 (DWORD)&debug->ret;
575 } else {
576 debug->call = 0xe9; /* ljmp relative */
577 debug->callfrom32 = (DWORD)dll->descr->functions[i] -
578 (DWORD)&debug->ret;
582 #endif /* __i386__ */
583 return;
586 /***********************************************************************
587 * BUILTIN32_Unimplemented
589 * This function is called for unimplemented 32-bit entry points (declared
590 * as 'stub' in the spec file).
592 void BUILTIN32_Unimplemented( const BUILTIN32_DESCRIPTOR *descr, int ordinal )
594 const char *func_name = "???";
595 int i;
597 __RESTORE_ES; /* Just in case */
599 for (i = 0; i < descr->nb_names; i++)
600 if (descr->ordinals[i] + descr->base == ordinal) break;
601 if (i < descr->nb_names) func_name = descr->names[i];
603 MESSAGE( "No handler for Win32 routine %s.%d: %s",
604 descr->name, ordinal, func_name );
605 #ifdef __GNUC__
606 MESSAGE( " (called from %p)", __builtin_return_address(1) );
607 #endif
608 MESSAGE( "\n" );
609 ExitProcess(1);