if1632/builtin.c

   1 /*
   2  * Built-in modules
   3  *
   4  * Copyright 1996 Alexandre Julliard
   5  */
   6
   7 #include <assert.h>
   8 #include <ctype.h>
   9 #include <string.h>
  10 #include "winbase.h"
  11 #include "wine/winbase16.h"
  12 #include "wine/winestring.h"
  13 #include "builtin16.h"
  14 #include "builtin32.h"
  15 #include "global.h"
  16 #include "heap.h"
  17 #include "module.h"
  18 #include "miscemu.h"
  19 #include "neexe.h"
  20 #include "stackframe.h"
  21 #include "user.h"
  22 #include "process.h"
  23 #include "task.h"
  24 #include "debugtools.h"
  25 #include "toolhelp.h"
  26
  27 DEFAULT_DEBUG_CHANNEL(module)
  28
  29 typedef struct
  30 {
  31     LPVOID  res_start;          /* address of resource data */
  32     DWORD   nr_res;
  33     DWORD   res_size;           /* size of resource data */
  34 } BUILTIN16_RESOURCE;
  35
  36 typedef struct
  37 {
  38     const WIN16_DESCRIPTOR *descr;     /* DLL descriptor */
  39     int                     flags;     /* flags (see below) */
  40     const BUILTIN16_RESOURCE *res;     /* resource descriptor */
  41 } BUILTIN16_DLL;
  42
  43 /* DLL flags */
  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 */
  46
  47 /* 16-bit DLLs */
  48
  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;
  91
  92 extern const BUILTIN16_RESOURCE display_ResourceDescriptor;
  93 extern const BUILTIN16_RESOURCE mouse_ResourceDescriptor;
  94
  95 /* Table of all built-in DLLs */
  96
  97 static BUILTIN16_DLL BuiltinDLLs[] =
  98 {
  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 },
 141     /* Last entry */
 142     { NULL, 0, NULL }
 143 };
 144
 145   /* Ordinal number for interrupt 0 handler in WPROCS.DLL */
 146 #define FIRST_INTERRUPT_ORDINAL 100
 147
 148
 149 /***********************************************************************
 150  *           BUILTIN_DoLoadModule16
 151  *
 152  * Load a built-in Win16 module. Helper function for BUILTIN_LoadModule
 153  * and BUILTIN_Init.
 154  */
 155 static HMODULE16 BUILTIN_DoLoadModule16( const BUILTIN16_DLL *dll )
 156 {
 157     NE_MODULE *pModule;
 158     int minsize, res_off;
 159     SEGTABLEENTRY *pSegTable;
 160     HMODULE16 hModule;
 161
 162     if ( !dll->res )
 163     {
 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 );
 169
 170     pModule = (NE_MODULE *)GlobalLock16( hModule );
 171     }
 172     else
 173     {
 174         ET_BUNDLE *bundle;
 175
 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 );
 181
 182         pModule = (NE_MODULE *)GlobalLock16( hModule );
 183         res_off = ((NE_MODULE *)dll->descr->module_start)->res_table;
 184
 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 );
 189
 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;
 195
 196         for ( bundle = (ET_BUNDLE *)((LPBYTE)pModule + pModule->entry_table);
 197               bundle->next;
 198               bundle = (ET_BUNDLE *)((LPBYTE)pModule + bundle->next) )
 199             bundle->next += dll->res->res_size;
 200
 201         /* NOTE: (Ab)use the hRsrcMap parameter for resource data pointer */
 202         pModule->hRsrcMap = dll->res->res_start;
 203     }
 204     pModule->self = hModule;
 205
 206     TRACE( "Built-in %s: hmodule=%04x\n", dll->descr->name, hModule );
 207
 208     /* Allocate the code segment */
 209
 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;
 215     pSegTable++;
 216
 217     /* Allocate the data segment */
 218
 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 );
 230
 231         if (dll->res)
 232                 NE_InitResourceHandler(hModule);
 233
 234     NE_RegisterModule( pModule );
 235     return hModule;
 236 }
 237
 238
 239 /***********************************************************************
 240  *           BUILTIN_Init
 241  *
 242  * Load all built-in modules marked as 'always used'.
 243  */
 244 BOOL BUILTIN_Init(void)
 245 {
 246     BUILTIN16_DLL *dll;
 247     WORD vector;
 248     HMODULE16 hModule;
 249
 250     for (dll = BuiltinDLLs; dll->descr; dll++)
 251     {
 252         if (dll->flags & DLL_FLAG_ALWAYS_USED)
 253             if (!BUILTIN_DoLoadModule16( dll )) return FALSE;
 254     }
 255
 256     /* Set interrupt vectors from entry points in WPROCS.DLL */
 257
 258     hModule = GetModuleHandle16( "WPROCS" );
 259     for (vector = 0; vector < 256; vector++)
 260     {
 261         FARPROC16 proc = NE_GetEntryPoint( hModule,
 262                                            FIRST_INTERRUPT_ORDINAL + vector );
 263         assert(proc);
 264         INT_SetPMHandler( vector, proc );
 265     }
 266
 267     return TRUE;
 268 }
 269
 270
 271 /***********************************************************************
 272  *           BUILTIN_LoadModule
 273  *
 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.
 276  */
 277 HMODULE16 BUILTIN_LoadModule( LPCSTR name, BOOL force )
 278 {
 279     BUILTIN16_DLL *table;
 280     char dllname[16], *p;
 281
 282     /* Fix the name in case we have a full path and extension */
 283
 284     if ((p = strrchr( name, '\\' ))) name = p + 1;
 285     lstrcpynA( dllname, name, sizeof(dllname) );
 286     p = strrchr( dllname, '.' );
 287
 288     if (!p) strcat( dllname, ".dll" );
 289
 290     for (table = BuiltinDLLs; table->descr; table++)
 291     {
 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;
 295     }
 296
 297     if (!table->descr) return (HMODULE16)2;
 298
 299     if ((table->flags & DLL_FLAG_NOT_USED) && !force) return (HMODULE16)2;
 300
 301     return BUILTIN_DoLoadModule16( table );
 302 }
 303
 304
 305 /***********************************************************************
 306  *           BUILTIN_GetEntryPoint16
 307  *
 308  * Return the ordinal, name, and type info corresponding to a CS:IP address.
 309  * This is used only by relay debugging.
 310  */
 311 LPCSTR BUILTIN_GetEntryPoint16( STACK16FRAME *frame, LPSTR name, WORD *pOrd )
 312 {
 313     WORD i, max_offset;
 314     register BYTE *p;
 315     NE_MODULE *pModule;
 316     ET_BUNDLE *bundle;
 317     ET_ENTRY *entry;
 318
 319     if (!(pModule = NE_GetPtr( FarGetOwner16( GlobalHandle16( frame->module_cs ) ))))
 320         return NULL;
 321
 322     max_offset = 0;
 323     *pOrd = 0;
 324     bundle = (ET_BUNDLE *)((BYTE *)pModule + pModule->entry_table);
 325     do
 326     {
 327         entry = (ET_ENTRY *)((BYTE *)bundle+6);
 328         for (i = bundle->first + 1; i <= bundle->last; i++)
 329         {
 330             if ((entry->offs < frame->entry_ip)
 331             && (entry->segnum == 1) /* code segment ? */
 332             && (entry->offs >= max_offset))
 333             {
 334                 max_offset = entry->offs;
 335                 *pOrd = i;
 336             }
 337             entry++;
 338         }
 339     } while ( (bundle->next)
 340            && (bundle = (ET_BUNDLE *)((BYTE *)pModule+bundle->next)));
 341
 342     /* Search for the name in the resident names table */
 343     /* (built-in modules have no non-resident table)   */
 344
 345     p = (BYTE *)pModule + pModule->name_table;
 346     while (*p)
 347     {
 348         p += *p + 1 + sizeof(WORD);
 349         if (*(WORD *)(p + *p + 1) == *pOrd) break;
 350     }
 351
 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) );
 356
 357     /* Retrieve type info string */
 358     return *(LPCSTR *)((LPBYTE)PTR_SEG_OFF_TO_LIN( frame->module_cs, frame->callfrom_ip ) + 4);
 359 }
 360
 361
 362 /**********************************************************************
 363  *          BUILTIN_DefaultIntHandler
 364  *
 365  * Default interrupt handler.
 366  */
 367 void WINAPI BUILTIN_DefaultIntHandler( CONTEXT86 *context )
 368 {
 369     WORD ordinal;
 370     char name[80];
 371     BUILTIN_GetEntryPoint16( CURRENT_STACK16, name, &ordinal );
 372     INT_BARF( context, ordinal - FIRST_INTERRUPT_ORDINAL );
 373 }
 374