4 * Copyright 1996 Alexandre Julliard
11 #include "wine/winbase16.h"
12 #include "wine/winestring.h"
13 #include "builtin16.h"
14 #include "builtin32.h"
20 #include "stackframe.h"
24 #include "debugtools.h"
27 DEFAULT_DEBUG_CHANNEL(module)
31 LPVOID res_start; /* address of resource data */
33 DWORD res_size; /* size of resource data */
38 const WIN16_DESCRIPTOR *descr; /* DLL descriptor */
39 int flags; /* flags (see below) */
40 const BUILTIN16_RESOURCE *res; /* resource descriptor */
44 #define DLL_FLAG_NOT_USED 0x01 /* Use original Windows DLL if possible */
45 #define DLL_FLAG_ALWAYS_USED 0x02 /* Always use built-in DLL */
49 extern const WIN16_DESCRIPTOR AVIFILE_Descriptor;
50 extern const WIN16_DESCRIPTOR COMM_Descriptor;
51 extern const WIN16_DESCRIPTOR COMMDLG_Descriptor;
52 extern const WIN16_DESCRIPTOR COMPOBJ_Descriptor;
53 extern const WIN16_DESCRIPTOR DDEML_Descriptor;
54 extern const WIN16_DESCRIPTOR DISPDIB_Descriptor;
55 extern const WIN16_DESCRIPTOR DISPLAY_Descriptor;
56 extern const WIN16_DESCRIPTOR GDI_Descriptor;
57 extern const WIN16_DESCRIPTOR KERNEL_Descriptor;
58 extern const WIN16_DESCRIPTOR KEYBOARD_Descriptor;
59 extern const WIN16_DESCRIPTOR LZEXPAND_Descriptor;
60 extern const WIN16_DESCRIPTOR MMSYSTEM_Descriptor;
61 extern const WIN16_DESCRIPTOR MOUSE_Descriptor;
62 extern const WIN16_DESCRIPTOR MSACM_Descriptor;
63 extern const WIN16_DESCRIPTOR MSVIDEO_Descriptor;
64 extern const WIN16_DESCRIPTOR OLE2CONV_Descriptor;
65 extern const WIN16_DESCRIPTOR OLE2DISP_Descriptor;
66 extern const WIN16_DESCRIPTOR OLE2NLS_Descriptor;
67 extern const WIN16_DESCRIPTOR OLE2PROX_Descriptor;
68 extern const WIN16_DESCRIPTOR OLE2THK_Descriptor;
69 extern const WIN16_DESCRIPTOR OLE2_Descriptor;
70 extern const WIN16_DESCRIPTOR OLECLI_Descriptor;
71 extern const WIN16_DESCRIPTOR OLESVR_Descriptor;
72 extern const WIN16_DESCRIPTOR RASAPI16_Descriptor;
73 extern const WIN16_DESCRIPTOR SHELL_Descriptor;
74 extern const WIN16_DESCRIPTOR SOUND_Descriptor;
75 extern const WIN16_DESCRIPTOR STORAGE_Descriptor;
76 extern const WIN16_DESCRIPTOR STRESS_Descriptor;
77 extern const WIN16_DESCRIPTOR SYSTEM_Descriptor;
78 extern const WIN16_DESCRIPTOR TOOLHELP_Descriptor;
79 extern const WIN16_DESCRIPTOR TYPELIB_Descriptor;
80 extern const WIN16_DESCRIPTOR USER_Descriptor;
81 extern const WIN16_DESCRIPTOR VER_Descriptor;
82 extern const WIN16_DESCRIPTOR W32SYS_Descriptor;
83 extern const WIN16_DESCRIPTOR WIN32S16_Descriptor;
84 extern const WIN16_DESCRIPTOR WIN87EM_Descriptor;
85 extern const WIN16_DESCRIPTOR WINASPI_Descriptor;
86 extern const WIN16_DESCRIPTOR WINDEBUG_Descriptor;
87 extern const WIN16_DESCRIPTOR WINEPS_Descriptor;
88 extern const WIN16_DESCRIPTOR WING_Descriptor;
89 extern const WIN16_DESCRIPTOR WINSOCK_Descriptor;
90 extern const WIN16_DESCRIPTOR WPROCS_Descriptor;
92 extern const BUILTIN16_RESOURCE display_ResourceDescriptor;
93 extern const BUILTIN16_RESOURCE mouse_ResourceDescriptor;
95 /* Table of all built-in DLLs */
97 static BUILTIN16_DLL BuiltinDLLs[] =
99 { &KERNEL_Descriptor, 0, NULL },
100 { &USER_Descriptor, 0, NULL },
101 { &GDI_Descriptor, 0, NULL },
102 { &SYSTEM_Descriptor, DLL_FLAG_ALWAYS_USED, NULL },
103 { &DISPLAY_Descriptor, DLL_FLAG_ALWAYS_USED, &display_ResourceDescriptor },
104 { &WPROCS_Descriptor, DLL_FLAG_ALWAYS_USED, NULL },
105 { &WINDEBUG_Descriptor, DLL_FLAG_NOT_USED, NULL },
106 { &AVIFILE_Descriptor, DLL_FLAG_NOT_USED, NULL },
107 { &COMMDLG_Descriptor, DLL_FLAG_NOT_USED, NULL },
108 { &COMPOBJ_Descriptor, DLL_FLAG_NOT_USED, NULL },
109 { &DDEML_Descriptor, DLL_FLAG_NOT_USED, NULL },
110 { &DISPDIB_Descriptor, 0, NULL },
111 { &KEYBOARD_Descriptor, 0, NULL },
112 { &COMM_Descriptor, 0, NULL },
113 { &LZEXPAND_Descriptor, 0, NULL },
114 { &MMSYSTEM_Descriptor, 0, NULL },
115 { &MOUSE_Descriptor, 0, &mouse_ResourceDescriptor },
116 { &MSACM_Descriptor, 0, NULL },
117 { &MSVIDEO_Descriptor, 0, NULL },
118 { &OLE2CONV_Descriptor, DLL_FLAG_NOT_USED, NULL },
119 { &OLE2DISP_Descriptor, DLL_FLAG_NOT_USED, NULL },
120 { &OLE2NLS_Descriptor, DLL_FLAG_NOT_USED, NULL },
121 { &OLE2PROX_Descriptor, DLL_FLAG_NOT_USED, NULL },
122 { &OLE2THK_Descriptor, DLL_FLAG_NOT_USED, NULL },
123 { &OLE2_Descriptor, DLL_FLAG_NOT_USED, NULL },
124 { &OLECLI_Descriptor, DLL_FLAG_NOT_USED, NULL },
125 { &OLESVR_Descriptor, DLL_FLAG_NOT_USED, NULL },
126 { &RASAPI16_Descriptor, 0, NULL },
127 { &SHELL_Descriptor, 0, NULL },
128 { &SOUND_Descriptor, 0, NULL },
129 { &STORAGE_Descriptor, DLL_FLAG_NOT_USED, NULL },
130 { &STRESS_Descriptor, 0, NULL },
131 { &TOOLHELP_Descriptor, 0, NULL },
132 { &TYPELIB_Descriptor, DLL_FLAG_NOT_USED, NULL },
133 { &VER_Descriptor, 0, NULL },
134 { &W32SYS_Descriptor, DLL_FLAG_NOT_USED, NULL },
135 { &WIN32S16_Descriptor, DLL_FLAG_NOT_USED, NULL },
136 { &WIN87EM_Descriptor, DLL_FLAG_NOT_USED, NULL },
137 { &WINASPI_Descriptor, 0, NULL },
138 { &WINEPS_Descriptor, DLL_FLAG_ALWAYS_USED, NULL },
139 { &WING_Descriptor, 0, NULL },
140 { &WINSOCK_Descriptor, 0, NULL },
145 /* Ordinal number for interrupt 0 handler in WPROCS.DLL */
146 #define FIRST_INTERRUPT_ORDINAL 100
149 /***********************************************************************
150 * BUILTIN_DoLoadModule16
152 * Load a built-in Win16 module. Helper function for BUILTIN_LoadModule
155 static HMODULE16 BUILTIN_DoLoadModule16( const BUILTIN16_DLL *dll )
158 int minsize, res_off;
159 SEGTABLEENTRY *pSegTable;
164 hModule = GLOBAL_CreateBlock( GMEM_MOVEABLE, dll->descr->module_start,
165 dll->descr->module_size, 0,
166 FALSE, FALSE, FALSE, NULL );
167 if (!hModule) return 0;
168 FarSetOwner16( hModule, hModule );
170 pModule = (NE_MODULE *)GlobalLock16( hModule );
176 hModule = GLOBAL_Alloc( GMEM_MOVEABLE,
177 dll->descr->module_size + dll->res->res_size,
178 0, FALSE, FALSE, FALSE );
179 if (!hModule) return 0;
180 FarSetOwner16( hModule, hModule );
182 pModule = (NE_MODULE *)GlobalLock16( hModule );
183 res_off = ((NE_MODULE *)dll->descr->module_start)->res_table;
185 memcpy( (LPBYTE)pModule, dll->descr->module_start, res_off );
186 memcpy( (LPBYTE)pModule + res_off, dll->res->res_start, dll->res->res_size );
187 memcpy( (LPBYTE)pModule + res_off + dll->res->res_size,
188 dll->descr->module_start + res_off, dll->descr->module_size - res_off );
190 /* Have to fix up various pModule-based near pointers. Ugh! */
191 pModule->name_table += dll->res->res_size;
192 pModule->modref_table += dll->res->res_size;
193 pModule->import_table += dll->res->res_size;
194 pModule->entry_table += dll->res->res_size;
196 for ( bundle = (ET_BUNDLE *)((LPBYTE)pModule + pModule->entry_table);
198 bundle = (ET_BUNDLE *)((LPBYTE)pModule + bundle->next) )
199 bundle->next += dll->res->res_size;
201 /* NOTE: (Ab)use the hRsrcMap parameter for resource data pointer */
202 pModule->hRsrcMap = dll->res->res_start;
204 pModule->self = hModule;
206 TRACE( "Built-in %s: hmodule=%04x\n", dll->descr->name, hModule );
208 /* Allocate the code segment */
210 pSegTable = NE_SEG_TABLE( pModule );
211 pSegTable->hSeg = GLOBAL_CreateBlock( GMEM_FIXED, dll->descr->code_start,
212 pSegTable->minsize, hModule,
213 TRUE, TRUE, FALSE, NULL );
214 if (!pSegTable->hSeg) return 0;
217 /* Allocate the data segment */
219 minsize = pSegTable->minsize ? pSegTable->minsize : 0x10000;
220 minsize += pModule->heap_size;
221 if (minsize > 0x10000) minsize = 0x10000;
222 pSegTable->hSeg = GLOBAL_Alloc( GMEM_FIXED, minsize,
223 hModule, FALSE, FALSE, FALSE );
224 if (!pSegTable->hSeg) return 0;
225 if (pSegTable->minsize) memcpy( GlobalLock16( pSegTable->hSeg ),
226 dll->descr->data_start, pSegTable->minsize);
227 if (pModule->heap_size)
228 LocalInit16( GlobalHandleToSel16(pSegTable->hSeg),
229 pSegTable->minsize, minsize );
232 NE_InitResourceHandler(hModule);
234 NE_RegisterModule( pModule );
239 /***********************************************************************
242 * Load all built-in modules marked as 'always used'.
244 BOOL BUILTIN_Init(void)
250 for (dll = BuiltinDLLs; dll->descr; dll++)
252 if (dll->flags & DLL_FLAG_ALWAYS_USED)
253 if (!BUILTIN_DoLoadModule16( dll )) return FALSE;
256 /* Set interrupt vectors from entry points in WPROCS.DLL */
258 hModule = GetModuleHandle16( "WPROCS" );
259 for (vector = 0; vector < 256; vector++)
261 FARPROC16 proc = NE_GetEntryPoint( hModule,
262 FIRST_INTERRUPT_ORDINAL + vector );
264 INT_SetPMHandler( vector, proc );
271 /***********************************************************************
274 * Load a built-in module. If the 'force' parameter is FALSE, we only
275 * load the module if it has not been disabled via the -dll option.
277 HMODULE16 BUILTIN_LoadModule( LPCSTR name, BOOL force )
279 BUILTIN16_DLL *table;
280 char dllname[16], *p;
282 /* Fix the name in case we have a full path and extension */
284 if ((p = strrchr( name, '\\' ))) name = p + 1;
285 lstrcpynA( dllname, name, sizeof(dllname) );
286 p = strrchr( dllname, '.' );
288 if (!p) strcat( dllname, ".dll" );
290 for (table = BuiltinDLLs; table->descr; table++)
292 NE_MODULE *pModule = (NE_MODULE *)table->descr->module_start;
293 OFSTRUCT *pOfs = (OFSTRUCT *)((LPBYTE)pModule + pModule->fileinfo);
294 if (!lstrcmpiA( pOfs->szPathName, dllname )) break;
297 if (!table->descr) return (HMODULE16)2;
299 if ((table->flags & DLL_FLAG_NOT_USED) && !force) return (HMODULE16)2;
301 return BUILTIN_DoLoadModule16( table );
305 /***********************************************************************
306 * BUILTIN_GetEntryPoint16
308 * Return the ordinal, name, and type info corresponding to a CS:IP address.
309 * This is used only by relay debugging.
311 LPCSTR BUILTIN_GetEntryPoint16( STACK16FRAME *frame, LPSTR name, WORD *pOrd )
319 if (!(pModule = NE_GetPtr( FarGetOwner16( GlobalHandle16( frame->module_cs ) ))))
324 bundle = (ET_BUNDLE *)((BYTE *)pModule + pModule->entry_table);
327 entry = (ET_ENTRY *)((BYTE *)bundle+6);
328 for (i = bundle->first + 1; i <= bundle->last; i++)
330 if ((entry->offs < frame->entry_ip)
331 && (entry->segnum == 1) /* code segment ? */
332 && (entry->offs >= max_offset))
334 max_offset = entry->offs;
339 } while ( (bundle->next)
340 && (bundle = (ET_BUNDLE *)((BYTE *)pModule+bundle->next)));
342 /* Search for the name in the resident names table */
343 /* (built-in modules have no non-resident table) */
345 p = (BYTE *)pModule + pModule->name_table;
348 p += *p + 1 + sizeof(WORD);
349 if (*(WORD *)(p + *p + 1) == *pOrd) break;
352 sprintf( name, "%.*s.%d: %.*s",
353 *((BYTE *)pModule + pModule->name_table),
354 (char *)pModule + pModule->name_table + 1,
355 *pOrd, *p, (char *)(p + 1) );
357 /* Retrieve type info string */
358 return *(LPCSTR *)((LPBYTE)PTR_SEG_OFF_TO_LIN( frame->module_cs, frame->callfrom_ip ) + 4);
362 /**********************************************************************
363 * BUILTIN_DefaultIntHandler
365 * Default interrupt handler.
367 void WINAPI BUILTIN_DefaultIntHandler( CONTEXT86 *context )
371 BUILTIN_GetEntryPoint16( CURRENT_STACK16, name, &ordinal );
372 INT_BARF( context, ordinal - FIRST_INTERRUPT_ORDINAL );