| 1 | /* @(#) pf_save.c 98/01/26 1.3 */\r |
| 2 | /***************************************************************\r |
| 3 | ** Save and Load Dictionary\r |
| 4 | ** for PForth based on 'C'\r |
| 5 | **\r |
| 6 | ** Compile file based version or static data based version\r |
| 7 | ** depending on PF_NO_FILEIO switch.\r |
| 8 | **\r |
| 9 | ** Author: Phil Burk\r |
| 10 | ** Copyright 1994 3DO, Phil Burk, Larry Polansky, David Rosenboom\r |
| 11 | **\r |
| 12 | ** The pForth software code is dedicated to the public domain,\r |
| 13 | ** and any third party may reproduce, distribute and modify\r |
| 14 | ** the pForth software code or any derivative works thereof\r |
| 15 | ** without any compensation or license. The pForth software\r |
| 16 | ** code is provided on an "as is" basis without any warranty\r |
| 17 | ** of any kind, including, without limitation, the implied\r |
| 18 | ** warranties of merchantability and fitness for a particular\r |
| 19 | ** purpose and their equivalents under the laws of any jurisdiction.\r |
| 20 | **\r |
| 21 | ****************************************************************\r |
| 22 | ** 940225 PLB Fixed CodePtr save, was using NAMEREL instead of CODEREL\r |
| 23 | ** This would only work if the relative location\r |
| 24 | ** of names and code was the same when saved and reloaded.\r |
| 25 | ** 940228 PLB Added PF_NO_FILEIO version\r |
| 26 | ** 961204 PLB Added PF_STATIC_DIC\r |
| 27 | ** 000623 PLB Cast chars as uint32 before shifting for 16 bit systems.\r |
| 28 | ***************************************************************/\r |
| 29 | \r |
| 30 | #include "pf_all.h"\r |
| 31 | \r |
| 32 | /* If no File I/O, then force static dictionary. */\r |
| 33 | #ifdef PF_NO_FILEIO\r |
| 34 | #ifndef PF_STATIC_DIC\r |
| 35 | #define PF_STATIC_DIC\r |
| 36 | #endif\r |
| 37 | #endif\r |
| 38 | \r |
| 39 | #ifdef PF_STATIC_DIC\r |
| 40 | #include "pfdicdat.h"\r |
| 41 | #endif\r |
| 42 | \r |
| 43 | /*\r |
| 44 | Dictionary File Format based on IFF standard.\r |
| 45 | The chunk IDs, sizes, and data values are all Big Endian in conformance with the IFF standard.\r |
| 46 | The dictionaries may be big or little endian.\r |
| 47 | 'FORM'\r |
| 48 | size\r |
| 49 | 'P4TH' - Form Identifier\r |
| 50 | \r |
| 51 | Chunks\r |
| 52 | 'P4DI'\r |
| 53 | size\r |
| 54 | struct DictionaryInfoChunk\r |
| 55 | \r |
| 56 | 'P4NM'\r |
| 57 | size\r |
| 58 | Name and Header portion of dictionary. (Big or Little Endian) (Optional)\r |
| 59 | \r |
| 60 | 'P4CD'\r |
| 61 | size\r |
| 62 | Code portion of dictionary. (Big or Little Endian) \r |
| 63 | */\r |
| 64 | \r |
| 65 | \r |
| 66 | /***************************************************************/\r |
| 67 | /* Endian-ness tools. */\r |
| 68 | uint32 ReadLongBigEndian( const uint32 *addr )\r |
| 69 | {\r |
| 70 | const unsigned char *bp = (const unsigned char *) addr;\r |
| 71 | /* We must cast char to uint32 before shifting because\r |
| 72 | ** of systems with 16 bit ints. 000623 */\r |
| 73 | uint32 temp = ((uint32)bp[0])<<24;\r |
| 74 | temp |= ((uint32)bp[1])<<16;\r |
| 75 | temp |= ((uint32)bp[2])<<8;\r |
| 76 | temp |= ((uint32)bp[3]);\r |
| 77 | return temp;\r |
| 78 | }\r |
| 79 | /***************************************************************/\r |
| 80 | uint16 ReadShortBigEndian( const uint16 *addr )\r |
| 81 | {\r |
| 82 | const unsigned char *bp = (const unsigned char *) addr;\r |
| 83 | return (uint16) ((bp[0]<<8) | bp[1]);\r |
| 84 | }\r |
| 85 | \r |
| 86 | /***************************************************************/\r |
| 87 | uint32 ReadLongLittleEndian( const uint32 *addr )\r |
| 88 | {\r |
| 89 | const unsigned char *bp = (const unsigned char *) addr;\r |
| 90 | /* We must cast char to uint32 before shifting because\r |
| 91 | ** of systems with 16 bit ints. 000623 */\r |
| 92 | uint32 temp = ((uint32)bp[3])<<24;\r |
| 93 | temp |= ((uint32)bp[2])<<16;\r |
| 94 | temp |= ((uint32)bp[1])<<8;\r |
| 95 | temp |= ((uint32)bp[0]);\r |
| 96 | return temp;\r |
| 97 | }\r |
| 98 | /***************************************************************/\r |
| 99 | uint16 ReadShortLittleEndian( const uint16 *addr )\r |
| 100 | {\r |
| 101 | const unsigned char *bp = (const unsigned char *) addr;\r |
| 102 | return (uint16) ((bp[1]<<8) | bp[0]);\r |
| 103 | }\r |
| 104 | \r |
| 105 | #ifdef PF_SUPPORT_FP\r |
| 106 | \r |
| 107 | /***************************************************************/\r |
| 108 | static void ReverseCopyFloat( const PF_FLOAT *src, PF_FLOAT *dst );\r |
| 109 | \r |
| 110 | static void ReverseCopyFloat( const PF_FLOAT *src, PF_FLOAT *dst )\r |
| 111 | {\r |
| 112 | int i;\r |
| 113 | unsigned char *d = (unsigned char *) dst;\r |
| 114 | const unsigned char *s = (const unsigned char *) src;\r |
| 115 | \r |
| 116 | for( i=0; i<sizeof(PF_FLOAT); i++ )\r |
| 117 | {\r |
| 118 | d[i] = s[sizeof(PF_FLOAT) - 1 - i];\r |
| 119 | }\r |
| 120 | }\r |
| 121 | \r |
| 122 | /***************************************************************/\r |
| 123 | void WriteFloatBigEndian( PF_FLOAT *addr, PF_FLOAT data )\r |
| 124 | {\r |
| 125 | if( IsHostLittleEndian() )\r |
| 126 | {\r |
| 127 | ReverseCopyFloat( &data, addr );\r |
| 128 | }\r |
| 129 | else\r |
| 130 | {\r |
| 131 | *addr = data;\r |
| 132 | }\r |
| 133 | }\r |
| 134 | \r |
| 135 | /***************************************************************/\r |
| 136 | PF_FLOAT ReadFloatBigEndian( const PF_FLOAT *addr )\r |
| 137 | {\r |
| 138 | PF_FLOAT data;\r |
| 139 | if( IsHostLittleEndian() )\r |
| 140 | {\r |
| 141 | ReverseCopyFloat( addr, &data );\r |
| 142 | return data;\r |
| 143 | }\r |
| 144 | else\r |
| 145 | {\r |
| 146 | return *addr;\r |
| 147 | }\r |
| 148 | }\r |
| 149 | \r |
| 150 | /***************************************************************/\r |
| 151 | void WriteFloatLittleEndian( PF_FLOAT *addr, PF_FLOAT data )\r |
| 152 | {\r |
| 153 | if( IsHostLittleEndian() )\r |
| 154 | {\r |
| 155 | *addr = data;\r |
| 156 | }\r |
| 157 | else\r |
| 158 | {\r |
| 159 | ReverseCopyFloat( &data, addr );\r |
| 160 | }\r |
| 161 | }\r |
| 162 | \r |
| 163 | /***************************************************************/\r |
| 164 | PF_FLOAT ReadFloatLittleEndian( const PF_FLOAT *addr )\r |
| 165 | {\r |
| 166 | PF_FLOAT data;\r |
| 167 | if( IsHostLittleEndian() )\r |
| 168 | {\r |
| 169 | return *addr;\r |
| 170 | }\r |
| 171 | else\r |
| 172 | {\r |
| 173 | ReverseCopyFloat( addr, &data );\r |
| 174 | return data;\r |
| 175 | }\r |
| 176 | }\r |
| 177 | \r |
| 178 | #endif /* PF_SUPPORT_FP */\r |
| 179 | \r |
| 180 | /***************************************************************/\r |
| 181 | void WriteLongBigEndian( uint32 *addr, uint32 data )\r |
| 182 | {\r |
| 183 | unsigned char *bp = (unsigned char *) addr;\r |
| 184 | \r |
| 185 | bp[0] = (unsigned char) (data>>24);\r |
| 186 | bp[1] = (unsigned char) (data>>16);\r |
| 187 | bp[2] = (unsigned char) (data>>8);\r |
| 188 | bp[3] = (unsigned char) (data);\r |
| 189 | }\r |
| 190 | \r |
| 191 | /***************************************************************/\r |
| 192 | void WriteShortBigEndian( uint16 *addr, uint16 data )\r |
| 193 | {\r |
| 194 | unsigned char *bp = (unsigned char *) addr;\r |
| 195 | \r |
| 196 | bp[0] = (unsigned char) (data>>8);\r |
| 197 | bp[1] = (unsigned char) (data);\r |
| 198 | }\r |
| 199 | \r |
| 200 | /***************************************************************/\r |
| 201 | void WriteLongLittleEndian( uint32 *addr, uint32 data )\r |
| 202 | {\r |
| 203 | unsigned char *bp = (unsigned char *) addr;\r |
| 204 | \r |
| 205 | bp[0] = (unsigned char) (data);\r |
| 206 | bp[1] = (unsigned char) (data>>8);\r |
| 207 | bp[2] = (unsigned char) (data>>16);\r |
| 208 | bp[3] = (unsigned char) (data>>24);\r |
| 209 | }\r |
| 210 | /***************************************************************/\r |
| 211 | void WriteShortLittleEndian( uint16 *addr, uint16 data )\r |
| 212 | {\r |
| 213 | unsigned char *bp = (unsigned char *) addr;\r |
| 214 | \r |
| 215 | bp[0] = (unsigned char) (data);\r |
| 216 | bp[1] = (unsigned char) (data>>8);\r |
| 217 | }\r |
| 218 | \r |
| 219 | /***************************************************************/\r |
| 220 | /* Return 1 if host CPU is Little Endian */\r |
| 221 | int IsHostLittleEndian( void )\r |
| 222 | {\r |
| 223 | static int gEndianCheck = 1;\r |
| 224 | unsigned char *bp = (unsigned char *) &gEndianCheck;\r |
| 225 | return (int) (*bp); /* Return byte pointed to by address. If LSB then == 1 */\r |
| 226 | }\r |
| 227 | \r |
| 228 | #if defined(PF_NO_FILEIO) || defined(PF_NO_SHELL)\r |
| 229 | \r |
| 230 | int32 ffSaveForth( const char *FileName, ExecToken EntryPoint, int32 NameSize, int32 CodeSize)\r |
| 231 | {\r |
| 232 | TOUCH(FileName);\r |
| 233 | TOUCH(EntryPoint);\r |
| 234 | TOUCH(NameSize);\r |
| 235 | TOUCH(CodeSize);\r |
| 236 | \r |
| 237 | pfReportError("ffSaveForth", PF_ERR_NOT_SUPPORTED);\r |
| 238 | return -1;\r |
| 239 | }\r |
| 240 | \r |
| 241 | #else /* PF_NO_FILEIO or PF_NO_SHELL */\r |
| 242 | \r |
| 243 | /***************************************************************/\r |
| 244 | static int32 WriteLong( FileStream *fid, int32 Val )\r |
| 245 | {\r |
| 246 | int32 numw;\r |
| 247 | uint32 pad;\r |
| 248 | \r |
| 249 | WriteLongBigEndian(&pad,Val);\r |
| 250 | numw = sdWriteFile( (char *) &pad, 1, sizeof(int32), fid );\r |
| 251 | if( numw != sizeof(int32) ) return -1;\r |
| 252 | return 0;\r |
| 253 | }\r |
| 254 | \r |
| 255 | /***************************************************************/\r |
| 256 | static int32 WriteChunk( FileStream *fid, int32 ID, char *Data, int32 NumBytes )\r |
| 257 | {\r |
| 258 | int32 numw;\r |
| 259 | int32 EvenNumW;\r |
| 260 | \r |
| 261 | EvenNumW = EVENUP(NumBytes);\r |
| 262 | \r |
| 263 | if( WriteLong( fid, ID ) < 0 ) goto error;\r |
| 264 | if( WriteLong( fid, EvenNumW ) < 0 ) goto error;\r |
| 265 | \r |
| 266 | numw = sdWriteFile( Data, 1, EvenNumW, fid );\r |
| 267 | if( numw != EvenNumW ) goto error;\r |
| 268 | return 0;\r |
| 269 | error:\r |
| 270 | pfReportError("WriteChunk", PF_ERR_WRITE_FILE);\r |
| 271 | return -1;\r |
| 272 | }\r |
| 273 | \r |
| 274 | /****************************************************************\r |
| 275 | ** Save Dictionary in File.\r |
| 276 | ** If EntryPoint is NULL, save as development environment.\r |
| 277 | ** If EntryPoint is non-NULL, save as turnKey environment with no names.\r |
| 278 | */\r |
| 279 | int32 ffSaveForth( const char *FileName, ExecToken EntryPoint, int32 NameSize, int32 CodeSize)\r |
| 280 | {\r |
| 281 | FileStream *fid;\r |
| 282 | DictionaryInfoChunk SD;\r |
| 283 | int32 FormSize;\r |
| 284 | int32 NameChunkSize = 0;\r |
| 285 | int32 CodeChunkSize;\r |
| 286 | uint32 rhp, rcp;\r |
| 287 | uint32 *p;\r |
| 288 | int i;\r |
| 289 | \r |
| 290 | fid = sdOpenFile( FileName, "wb" );\r |
| 291 | if( fid == NULL )\r |
| 292 | {\r |
| 293 | pfReportError("pfSaveDictionary", PF_ERR_OPEN_FILE);\r |
| 294 | return -1;\r |
| 295 | }\r |
| 296 | \r |
| 297 | /* Save in uninitialized form. */\r |
| 298 | pfExecIfDefined("AUTO.TERM");\r |
| 299 | \r |
| 300 | /* Write FORM Header ---------------------------- */\r |
| 301 | if( WriteLong( fid, ID_FORM ) < 0 ) goto error;\r |
| 302 | if( WriteLong( fid, 0 ) < 0 ) goto error;\r |
| 303 | if( WriteLong( fid, ID_P4TH ) < 0 ) goto error;\r |
| 304 | \r |
| 305 | /* Write P4DI Dictionary Info ------------------ */\r |
| 306 | SD.sd_Version = PF_FILE_VERSION;\r |
| 307 | \r |
| 308 | rcp = ABS_TO_CODEREL(gCurrentDictionary->dic_CodePtr.Byte); /* 940225 */\r |
| 309 | SD.sd_RelCodePtr = rcp; \r |
| 310 | SD.sd_UserStackSize = sizeof(cell) * (gCurrentTask->td_StackBase - gCurrentTask->td_StackLimit);\r |
| 311 | SD.sd_ReturnStackSize = sizeof(cell) * (gCurrentTask->td_ReturnBase - gCurrentTask->td_ReturnLimit);\r |
| 312 | SD.sd_NumPrimitives = gNumPrimitives; /* Must match compiled dictionary. */\r |
| 313 | \r |
| 314 | #ifdef PF_SUPPORT_FP\r |
| 315 | SD.sd_FloatSize = sizeof(PF_FLOAT); /* Must match compiled dictionary. */\r |
| 316 | #else\r |
| 317 | SD.sd_FloatSize = 0;\r |
| 318 | #endif\r |
| 319 | \r |
| 320 | SD.sd_Reserved = 0;\r |
| 321 | \r |
| 322 | /* Set bit that specifiec whether dictionary is BIG or LITTLE Endian. */\r |
| 323 | {\r |
| 324 | #if defined(PF_BIG_ENDIAN_DIC)\r |
| 325 | int eflag = SD_F_BIG_ENDIAN_DIC;\r |
| 326 | #elif defined(PF_LITTLE_ENDIAN_DIC)\r |
| 327 | int eflag = 0;\r |
| 328 | #else\r |
| 329 | int eflag = IsHostLittleEndian() ? 0 : SD_F_BIG_ENDIAN_DIC;\r |
| 330 | #endif\r |
| 331 | SD.sd_Flags = eflag;\r |
| 332 | }\r |
| 333 | \r |
| 334 | if( EntryPoint )\r |
| 335 | {\r |
| 336 | SD.sd_EntryPoint = EntryPoint; /* Turnkey! */\r |
| 337 | }\r |
| 338 | else\r |
| 339 | {\r |
| 340 | SD.sd_EntryPoint = 0;\r |
| 341 | }\r |
| 342 | \r |
| 343 | /* Do we save names? */\r |
| 344 | if( NameSize == 0 )\r |
| 345 | {\r |
| 346 | SD.sd_RelContext = 0;\r |
| 347 | SD.sd_RelHeaderPtr = 0;\r |
| 348 | SD.sd_NameSize = 0;\r |
| 349 | }\r |
| 350 | else\r |
| 351 | {\r |
| 352 | /* Development mode. */\r |
| 353 | SD.sd_RelContext = ABS_TO_NAMEREL(gVarContext);\r |
| 354 | rhp = ABS_TO_NAMEREL(gCurrentDictionary->dic_HeaderPtr.Byte);\r |
| 355 | SD.sd_RelHeaderPtr = rhp;\r |
| 356 | \r |
| 357 | /* How much real name space is there? */\r |
| 358 | NameChunkSize = QUADUP(rhp); /* Align */\r |
| 359 | \r |
| 360 | /* NameSize must be 0 or greater than NameChunkSize + 1K */\r |
| 361 | NameSize = QUADUP(NameSize); /* Align */\r |
| 362 | if( NameSize > 0 )\r |
| 363 | {\r |
| 364 | NameSize = MAX( NameSize, (NameChunkSize + 1024) );\r |
| 365 | }\r |
| 366 | SD.sd_NameSize = NameSize;\r |
| 367 | }\r |
| 368 | \r |
| 369 | /* How much real code is there? */\r |
| 370 | CodeChunkSize = QUADUP(rcp);\r |
| 371 | CodeSize = QUADUP(CodeSize); /* Align */\r |
| 372 | CodeSize = MAX( CodeSize, (CodeChunkSize + 2048) );\r |
| 373 | SD.sd_CodeSize = CodeSize;\r |
| 374 | \r |
| 375 | \r |
| 376 | /* Convert all fields in structure from Native to BigEndian. */\r |
| 377 | p = (uint32 *) &SD;\r |
| 378 | for( i=0; i<((int)(sizeof(SD)/sizeof(int32))); i++ )\r |
| 379 | {\r |
| 380 | WriteLongBigEndian( &p[i], p[i] );\r |
| 381 | }\r |
| 382 | \r |
| 383 | if( WriteChunk( fid, ID_P4DI, (char *) &SD, sizeof(DictionaryInfoChunk) ) < 0 ) goto error;\r |
| 384 | \r |
| 385 | /* Write Name Fields if NameSize non-zero ------- */\r |
| 386 | if( NameSize > 0 )\r |
| 387 | {\r |
| 388 | if( WriteChunk( fid, ID_P4NM, (char *) NAME_BASE,\r |
| 389 | NameChunkSize ) < 0 ) goto error;\r |
| 390 | }\r |
| 391 | \r |
| 392 | /* Write Code Fields ---------------------------- */\r |
| 393 | if( WriteChunk( fid, ID_P4CD, (char *) CODE_BASE,\r |
| 394 | CodeChunkSize ) < 0 ) goto error;\r |
| 395 | \r |
| 396 | FormSize = sdTellFile( fid ) - 8;\r |
| 397 | sdSeekFile( fid, 4, PF_SEEK_SET );\r |
| 398 | if( WriteLong( fid, FormSize ) < 0 ) goto error;\r |
| 399 | \r |
| 400 | sdCloseFile( fid );\r |
| 401 | \r |
| 402 | \r |
| 403 | \r |
| 404 | /* Restore initialization. */\r |
| 405 | \r |
| 406 | pfExecIfDefined("AUTO.INIT");\r |
| 407 | \r |
| 408 | return 0;\r |
| 409 | \r |
| 410 | error:\r |
| 411 | sdSeekFile( fid, 0, PF_SEEK_SET );\r |
| 412 | WriteLong( fid, ID_BADF ); /* Mark file as bad. */\r |
| 413 | sdCloseFile( fid );\r |
| 414 | \r |
| 415 | /* Restore initialization. */\r |
| 416 | \r |
| 417 | pfExecIfDefined("AUTO.INIT");\r |
| 418 | \r |
| 419 | return -1;\r |
| 420 | }\r |
| 421 | \r |
| 422 | #endif /* !PF_NO_FILEIO and !PF_NO_SHELL */\r |
| 423 | \r |
| 424 | \r |
| 425 | #ifndef PF_NO_FILEIO\r |
| 426 | \r |
| 427 | /***************************************************************/\r |
| 428 | static int32 ReadLong( FileStream *fid, int32 *ValPtr )\r |
| 429 | {\r |
| 430 | int32 numr;\r |
| 431 | uint32 temp;\r |
| 432 | \r |
| 433 | numr = sdReadFile( &temp, 1, sizeof(int32), fid );\r |
| 434 | if( numr != sizeof(int32) ) return -1;\r |
| 435 | *ValPtr = ReadLongBigEndian( &temp );\r |
| 436 | return 0;\r |
| 437 | }\r |
| 438 | \r |
| 439 | /***************************************************************/\r |
| 440 | PForthDictionary pfLoadDictionary( const char *FileName, ExecToken *EntryPointPtr )\r |
| 441 | {\r |
| 442 | pfDictionary_t *dic = NULL;\r |
| 443 | FileStream *fid;\r |
| 444 | DictionaryInfoChunk *sd;\r |
| 445 | int32 ChunkID;\r |
| 446 | int32 ChunkSize;\r |
| 447 | int32 FormSize;\r |
| 448 | int32 BytesLeft;\r |
| 449 | int32 numr;\r |
| 450 | uint32 *p;\r |
| 451 | int i;\r |
| 452 | int isDicBigEndian;\r |
| 453 | \r |
| 454 | DBUG(("pfLoadDictionary( %s )\n", FileName ));\r |
| 455 | \r |
| 456 | /* Open file. */\r |
| 457 | fid = sdOpenFile( FileName, "rb" );\r |
| 458 | if( fid == NULL )\r |
| 459 | {\r |
| 460 | pfReportError("pfLoadDictionary", PF_ERR_OPEN_FILE);\r |
| 461 | goto xt_error;\r |
| 462 | }\r |
| 463 | \r |
| 464 | /* Read FORM, Size, ID */\r |
| 465 | if (ReadLong( fid, &ChunkID ) < 0) goto read_error;\r |
| 466 | if( ChunkID != ID_FORM )\r |
| 467 | {\r |
| 468 | pfReportError("pfLoadDictionary", PF_ERR_WRONG_FILE);\r |
| 469 | goto error;\r |
| 470 | }\r |
| 471 | \r |
| 472 | if (ReadLong( fid, &FormSize ) < 0) goto read_error;\r |
| 473 | BytesLeft = FormSize;\r |
| 474 | \r |
| 475 | if (ReadLong( fid, &ChunkID ) < 0) goto read_error;\r |
| 476 | BytesLeft -= 4;\r |
| 477 | if( ChunkID != ID_P4TH )\r |
| 478 | {\r |
| 479 | pfReportError("pfLoadDictionary", PF_ERR_BAD_FILE);\r |
| 480 | goto error;\r |
| 481 | }\r |
| 482 | \r |
| 483 | /* Scan and parse all chunks in file. */\r |
| 484 | while( BytesLeft > 0 )\r |
| 485 | {\r |
| 486 | if (ReadLong( fid, &ChunkID ) < 0) goto read_error;\r |
| 487 | if (ReadLong( fid, &ChunkSize ) < 0) goto read_error;\r |
| 488 | BytesLeft -= 8;\r |
| 489 | \r |
| 490 | DBUG(("ChunkID = %4s, Size = %d\n", &ChunkID, ChunkSize ));\r |
| 491 | \r |
| 492 | switch( ChunkID )\r |
| 493 | {\r |
| 494 | case ID_P4DI:\r |
| 495 | sd = (DictionaryInfoChunk *) pfAllocMem( ChunkSize );\r |
| 496 | if( sd == NULL ) goto nomem_error;\r |
| 497 | \r |
| 498 | numr = sdReadFile( sd, 1, ChunkSize, fid );\r |
| 499 | if( numr != ChunkSize ) goto read_error;\r |
| 500 | BytesLeft -= ChunkSize;\r |
| 501 | \r |
| 502 | /* Convert all fields in structure from BigEndian to Native. */\r |
| 503 | p = (uint32 *) sd;\r |
| 504 | for( i=0; i<((int)(sizeof(*sd)/sizeof(int32))); i++ )\r |
| 505 | {\r |
| 506 | p[i] = ReadLongBigEndian( &p[i] );\r |
| 507 | }\r |
| 508 | \r |
| 509 | isDicBigEndian = sd->sd_Flags & SD_F_BIG_ENDIAN_DIC;\r |
| 510 | \r |
| 511 | if( !gVarQuiet )\r |
| 512 | {\r |
| 513 | MSG("pForth loading dictionary from file "); MSG(FileName);\r |
| 514 | EMIT_CR;\r |
| 515 | MSG_NUM_D(" File format version is ", sd->sd_Version );\r |
| 516 | MSG_NUM_D(" Name space size = ", sd->sd_NameSize );\r |
| 517 | MSG_NUM_D(" Code space size = ", sd->sd_CodeSize );\r |
| 518 | MSG_NUM_D(" Entry Point = ", sd->sd_EntryPoint );\r |
| 519 | MSG( (isDicBigEndian ? " Big Endian Dictionary" :\r |
| 520 | " Little Endian Dictionary") );\r |
| 521 | if( isDicBigEndian == IsHostLittleEndian() ) MSG(" !!!!");\r |
| 522 | EMIT_CR;\r |
| 523 | }\r |
| 524 | \r |
| 525 | if( sd->sd_Version > PF_FILE_VERSION )\r |
| 526 | {\r |
| 527 | pfReportError("pfLoadDictionary", PF_ERR_VERSION_FUTURE );\r |
| 528 | goto error;\r |
| 529 | }\r |
| 530 | if( sd->sd_Version < PF_EARLIEST_FILE_VERSION )\r |
| 531 | {\r |
| 532 | pfReportError("pfLoadDictionary", PF_ERR_VERSION_PAST );\r |
| 533 | goto error;\r |
| 534 | }\r |
| 535 | if( sd->sd_NumPrimitives > NUM_PRIMITIVES )\r |
| 536 | {\r |
| 537 | pfReportError("pfLoadDictionary", PF_ERR_NOT_SUPPORTED );\r |
| 538 | goto error;\r |
| 539 | }\r |
| 540 | \r |
| 541 | /* Check to make sure that EndianNess of dictionary matches mode of pForth. */\r |
| 542 | #if defined(PF_BIG_ENDIAN_DIC)\r |
| 543 | if(isDicBigEndian == 0)\r |
| 544 | #elif defined(PF_LITTLE_ENDIAN_DIC)\r |
| 545 | if(isDicBigEndian == 1)\r |
| 546 | #else\r |
| 547 | if( isDicBigEndian == IsHostLittleEndian() )\r |
| 548 | #endif\r |
| 549 | {\r |
| 550 | pfReportError("pfLoadDictionary", PF_ERR_ENDIAN_CONFLICT );\r |
| 551 | goto error;\r |
| 552 | }\r |
| 553 | \r |
| 554 | /* Check for compatible float size. */\r |
| 555 | #ifdef PF_SUPPORT_FP\r |
| 556 | if( sd->sd_FloatSize != sizeof(PF_FLOAT) )\r |
| 557 | #else\r |
| 558 | if( sd->sd_FloatSize != 0 )\r |
| 559 | #endif\r |
| 560 | {\r |
| 561 | pfReportError("pfLoadDictionary", PF_ERR_FLOAT_CONFLICT );\r |
| 562 | goto error;\r |
| 563 | }\r |
| 564 | \r |
| 565 | dic = pfCreateDictionary( sd->sd_NameSize, sd->sd_CodeSize );\r |
| 566 | if( dic == NULL ) goto nomem_error;\r |
| 567 | gCurrentDictionary = dic;\r |
| 568 | if( sd->sd_NameSize > 0 )\r |
| 569 | {\r |
| 570 | gVarContext = (char *) NAMEREL_TO_ABS(sd->sd_RelContext); /* Restore context. */\r |
| 571 | gCurrentDictionary->dic_HeaderPtr.Byte = (uint8 *)\r |
| 572 | NAMEREL_TO_ABS(sd->sd_RelHeaderPtr);\r |
| 573 | }\r |
| 574 | else\r |
| 575 | {\r |
| 576 | gVarContext = 0;\r |
| 577 | gCurrentDictionary->dic_HeaderPtr.Byte = NULL;\r |
| 578 | }\r |
| 579 | gCurrentDictionary->dic_CodePtr.Byte = (uint8 *) CODEREL_TO_ABS(sd->sd_RelCodePtr);\r |
| 580 | gNumPrimitives = sd->sd_NumPrimitives; /* Must match compiled dictionary. */\r |
| 581 | /* Pass EntryPoint back to caller. */\r |
| 582 | if( EntryPointPtr != NULL ) *EntryPointPtr = sd->sd_EntryPoint;\r |
| 583 | pfFreeMem(sd);\r |
| 584 | break;\r |
| 585 | \r |
| 586 | case ID_P4NM:\r |
| 587 | #ifdef PF_NO_SHELL\r |
| 588 | pfReportError("pfLoadDictionary", PF_ERR_NO_SHELL );\r |
| 589 | goto error;\r |
| 590 | #else\r |
| 591 | if( NAME_BASE == NULL )\r |
| 592 | {\r |
| 593 | pfReportError("pfLoadDictionary", PF_ERR_NO_NAMES );\r |
| 594 | goto error;\r |
| 595 | }\r |
| 596 | if( gCurrentDictionary == NULL )\r |
| 597 | {\r |
| 598 | pfReportError("pfLoadDictionary", PF_ERR_BAD_FILE );\r |
| 599 | goto error;\r |
| 600 | }\r |
| 601 | if( ChunkSize > NAME_SIZE )\r |
| 602 | {\r |
| 603 | pfReportError("pfLoadDictionary", PF_ERR_TOO_BIG);\r |
| 604 | goto error;\r |
| 605 | }\r |
| 606 | numr = sdReadFile( NAME_BASE, 1, ChunkSize, fid );\r |
| 607 | if( numr != ChunkSize ) goto read_error;\r |
| 608 | BytesLeft -= ChunkSize;\r |
| 609 | #endif /* PF_NO_SHELL */\r |
| 610 | break;\r |
| 611 | \r |
| 612 | case ID_P4CD:\r |
| 613 | if( gCurrentDictionary == NULL )\r |
| 614 | {\r |
| 615 | pfReportError("pfLoadDictionary", PF_ERR_BAD_FILE );\r |
| 616 | goto error;\r |
| 617 | }\r |
| 618 | if( ChunkSize > CODE_SIZE )\r |
| 619 | {\r |
| 620 | pfReportError("pfLoadDictionary", PF_ERR_TOO_BIG);\r |
| 621 | goto error;\r |
| 622 | }\r |
| 623 | numr = sdReadFile( CODE_BASE, 1, ChunkSize, fid );\r |
| 624 | if( numr != ChunkSize ) goto read_error;\r |
| 625 | BytesLeft -= ChunkSize;\r |
| 626 | break;\r |
| 627 | \r |
| 628 | default:\r |
| 629 | pfReportError("pfLoadDictionary", PF_ERR_BAD_FILE );\r |
| 630 | sdSeekFile( fid, ChunkSize, PF_SEEK_CUR );\r |
| 631 | break;\r |
| 632 | }\r |
| 633 | }\r |
| 634 | \r |
| 635 | sdCloseFile( fid );\r |
| 636 | \r |
| 637 | if( NAME_BASE != NULL)\r |
| 638 | {\r |
| 639 | int32 Result;\r |
| 640 | /* Find special words in dictionary for global XTs. */\r |
| 641 | if( (Result = FindSpecialXTs()) < 0 )\r |
| 642 | {\r |
| 643 | pfReportError("pfLoadDictionary: FindSpecialXTs", Result);\r |
| 644 | goto error;\r |
| 645 | }\r |
| 646 | }\r |
| 647 | \r |
| 648 | DBUG(("pfLoadDictionary: return 0x%x\n", dic));\r |
| 649 | return (PForthDictionary) dic;\r |
| 650 | \r |
| 651 | nomem_error:\r |
| 652 | pfReportError("pfLoadDictionary", PF_ERR_NO_MEM);\r |
| 653 | sdCloseFile( fid );\r |
| 654 | return NULL;\r |
| 655 | \r |
| 656 | read_error:\r |
| 657 | pfReportError("pfLoadDictionary", PF_ERR_READ_FILE);\r |
| 658 | error:\r |
| 659 | sdCloseFile( fid );\r |
| 660 | xt_error:\r |
| 661 | return NULL;\r |
| 662 | }\r |
| 663 | \r |
| 664 | #else\r |
| 665 | \r |
| 666 | PForthDictionary pfLoadDictionary( const char *FileName, ExecToken *EntryPointPtr )\r |
| 667 | {\r |
| 668 | (void) FileName;\r |
| 669 | (void) EntryPointPtr;\r |
| 670 | return NULL;\r |
| 671 | }\r |
| 672 | #endif /* !PF_NO_FILEIO */\r |
| 673 | \r |
| 674 | \r |
| 675 | \r |
| 676 | /***************************************************************/\r |
| 677 | PForthDictionary pfLoadStaticDictionary( void )\r |
| 678 | {\r |
| 679 | #ifdef PF_STATIC_DIC\r |
| 680 | int32 Result;\r |
| 681 | pfDictionary_t *dic;\r |
| 682 | int32 NewNameSize, NewCodeSize;\r |
| 683 | \r |
| 684 | if( IF_LITTLE_ENDIAN != IsHostLittleEndian() )\r |
| 685 | {\r |
| 686 | MSG( (IF_LITTLE_ENDIAN ?\r |
| 687 | "Little Endian Dictionary on " :\r |
| 688 | "Big Endian Dictionary on ") );\r |
| 689 | MSG( (IsHostLittleEndian() ?\r |
| 690 | "Little Endian CPU" :\r |
| 691 | "Big Endian CPU") );\r |
| 692 | EMIT_CR;\r |
| 693 | }\r |
| 694 | \r |
| 695 | /* Check to make sure that EndianNess of dictionary matches mode of pForth. */\r |
| 696 | #if defined(PF_BIG_ENDIAN_DIC)\r |
| 697 | if(IF_LITTLE_ENDIAN == 1)\r |
| 698 | #elif defined(PF_LITTLE_ENDIAN_DIC)\r |
| 699 | if(IF_LITTLE_ENDIAN == 0)\r |
| 700 | #else /* Code is native endian! */\r |
| 701 | if( IF_LITTLE_ENDIAN != IsHostLittleEndian() )\r |
| 702 | #endif\r |
| 703 | {\r |
| 704 | pfReportError("pfLoadStaticDictionary", PF_ERR_ENDIAN_CONFLICT );\r |
| 705 | goto error;\r |
| 706 | }\r |
| 707 | \r |
| 708 | \r |
| 709 | #ifndef PF_EXTRA_HEADERS\r |
| 710 | #define PF_EXTRA_HEADERS (20000)\r |
| 711 | #endif\r |
| 712 | #ifndef PF_EXTRA_CODE\r |
| 713 | #define PF_EXTRA_CODE (40000)\r |
| 714 | #endif\r |
| 715 | \r |
| 716 | /* Copy static const data to allocated dictionaries. */\r |
| 717 | NewNameSize = sizeof(MinDicNames) + PF_EXTRA_HEADERS;\r |
| 718 | NewCodeSize = sizeof(MinDicCode) + PF_EXTRA_CODE;\r |
| 719 | \r |
| 720 | DBUG_NUM_D( "static dic name size = ", NewNameSize );\r |
| 721 | DBUG_NUM_D( "static dic code size = ", NewCodeSize );\r |
| 722 | \r |
| 723 | gCurrentDictionary = dic = pfCreateDictionary( NewNameSize, NewCodeSize );\r |
| 724 | if( !dic ) goto nomem_error;\r |
| 725 | \r |
| 726 | pfCopyMemory( dic->dic_HeaderBase, MinDicNames, sizeof(MinDicNames) );\r |
| 727 | pfCopyMemory( dic->dic_CodeBase, MinDicCode, sizeof(MinDicCode) );\r |
| 728 | DBUG("Static data copied to newly allocated dictionaries.\n");\r |
| 729 | \r |
| 730 | dic->dic_CodePtr.Byte = (uint8 *) CODEREL_TO_ABS(CODEPTR);\r |
| 731 | gNumPrimitives = NUM_PRIMITIVES;\r |
| 732 | \r |
| 733 | if( NAME_BASE != NULL)\r |
| 734 | {\r |
| 735 | /* Setup name space. */\r |
| 736 | dic->dic_HeaderPtr.Byte = (uint8 *) NAMEREL_TO_ABS(HEADERPTR);\r |
| 737 | gVarContext = (char *) NAMEREL_TO_ABS(RELCONTEXT); /* Restore context. */\r |
| 738 | \r |
| 739 | /* Find special words in dictionary for global XTs. */\r |
| 740 | if( (Result = FindSpecialXTs()) < 0 )\r |
| 741 | {\r |
| 742 | pfReportError("pfLoadStaticDictionary: FindSpecialXTs", Result);\r |
| 743 | goto error;\r |
| 744 | }\r |
| 745 | }\r |
| 746 | \r |
| 747 | return (PForthDictionary) dic;\r |
| 748 | \r |
| 749 | error:\r |
| 750 | return NULL;\r |
| 751 | \r |
| 752 | nomem_error:\r |
| 753 | pfReportError("pfLoadStaticDictionary", PF_ERR_NO_MEM);\r |
| 754 | #endif /* PF_STATIC_DIC */\r |
| 755 | \r |
| 756 | return NULL;\r |
| 757 | }\r |
| 758 | \r |