main.cpp revision 0:a61af66fc99e
1/* 2 * Copyright 1997-2007 Sun Microsystems, Inc. All Rights Reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, 20 * CA 95054 USA or visit www.sun.com if you need additional information or 21 * have any questions. 22 * 23 */ 24 25// MAIN.CPP - Entry point for the Architecture Description Language Compiler 26#include "adlc.hpp" 27 28//------------------------------Prototypes------------------------------------- 29static void usage(ArchDesc& AD); // Print usage message and exit 30static char *strip_ext(char *fname); // Strip off name extension 31static char *base_plus_suffix(const char* base, const char *suffix);// New concatenated string 32static char *prefix_plus_base_plus_suffix(const char* prefix, const char* base, const char *suffix);// New concatenated string 33static int get_legal_text(FileBuff &fbuf, char **legal_text); // Get pointer to legal text 34 35ArchDesc* globalAD = NULL; // global reference to Architecture Description object 36 37//------------------------------main------------------------------------------- 38int main(int argc, char *argv[]) 39{ 40 ArchDesc AD; // Architecture Description object 41 globalAD = &AD; 42 43 // ResourceMark mark; 44 ADLParser *ADL_Parse; // ADL Parser object to parse AD file 45 46 // Check for proper arguments 47 if( argc == 1 ) usage(AD); // No arguments? Then print usage 48 49 // Read command line arguments and file names 50 for( int i = 1; i < argc; i++ ) { // For all arguments 51 register char *s = argv[i]; // Get option/filename 52 53 if( *s++ == '-' ) { // It's a flag? (not a filename) 54 if( !*s ) { // Stand-alone `-' means stdin 55 //********** INSERT CODE HERE ********** 56 } else while (*s != '\0') { // While have flags on option 57 switch (*s++) { // Handle flag 58 case 'd': // Debug flag 59 AD._dfa_debug += 1; // Set Debug Flag 60 break; 61 case 'g': // Debug ad location flag 62 AD._adlocation_debug += 1; // Set Debug ad location Flag 63 break; 64 case 'o': // No Output Flag 65 AD._no_output ^= 1; // Toggle no_output flag 66 break; 67 case 'q': // Quiet Mode Flag 68 AD._quiet_mode ^= 1; // Toggle quiet_mode flag 69 break; 70 case 'w': // Disable Warnings Flag 71 AD._disable_warnings ^= 1; // Toggle disable_warnings flag 72 break; 73 case 'T': // Option to make DFA as many subroutine calls. 74 AD._dfa_small += 1; // Set Mode Flag 75 break; 76 case 'c': { // Set C++ Output file name 77 AD._CPP_file._name = s; 78 const char *base = strip_ext(strdup(s)); 79 AD._CPP_CLONE_file._name = base_plus_suffix(base,"_clone.cpp"); 80 AD._CPP_EXPAND_file._name = base_plus_suffix(base,"_expand.cpp"); 81 AD._CPP_FORMAT_file._name = base_plus_suffix(base,"_format.cpp"); 82 AD._CPP_GEN_file._name = base_plus_suffix(base,"_gen.cpp"); 83 AD._CPP_MISC_file._name = base_plus_suffix(base,"_misc.cpp"); 84 AD._CPP_PEEPHOLE_file._name = base_plus_suffix(base,"_peephole.cpp"); 85 AD._CPP_PIPELINE_file._name = base_plus_suffix(base,"_pipeline.cpp"); 86 s += strlen(s); 87 break; 88 } 89 case 'h': // Set C++ Output file name 90 AD._HPP_file._name = s; s += strlen(s); 91 break; 92 case 'v': // Set C++ Output file name 93 AD._VM_file._name = s; s += strlen(s); 94 break; 95 case 'a': // Set C++ Output file name 96 AD._DFA_file._name = s; 97 AD._bug_file._name = s; 98 s += strlen(s); 99 break; 100 case '#': // Special internal debug flag 101 AD._adl_debug++; // Increment internal debug level 102 break; 103 case 's': // Output which instructions are cisc-spillable 104 AD._cisc_spill_debug = true; 105 break; 106 case 'D': // Flag Definition 107 { 108 char* flag = s; 109 s += strlen(s); 110 char* def = strchr(flag, '='); 111 if (def == NULL) def = (char*)"1"; 112 else *def++ = '\0'; 113 AD.set_preproc_def(flag, def); 114 } 115 break; 116 case 'U': // Flag Un-Definition 117 { 118 char* flag = s; 119 s += strlen(s); 120 AD.set_preproc_def(flag, NULL); 121 } 122 break; 123 default: // Unknown option 124 usage(AD); // So print usage and exit 125 } // End of switch on options... 126 } // End of while have options... 127 128 } else { // Not an option; must be a filename 129 AD._ADL_file._name = argv[i]; // Set the input filename 130 131 // // Files for storage, based on input file name 132 const char *base = strip_ext(strdup(argv[i])); 133 char *temp = base_plus_suffix("dfa_",base); 134 AD._DFA_file._name = base_plus_suffix(temp,".cpp"); 135 delete temp; 136 temp = base_plus_suffix("ad_",base); 137 AD._CPP_file._name = base_plus_suffix(temp,".cpp"); 138 AD._CPP_CLONE_file._name = base_plus_suffix(temp,"_clone.cpp"); 139 AD._CPP_EXPAND_file._name = base_plus_suffix(temp,"_expand.cpp"); 140 AD._CPP_FORMAT_file._name = base_plus_suffix(temp,"_format.cpp"); 141 AD._CPP_GEN_file._name = base_plus_suffix(temp,"_gen.cpp"); 142 AD._CPP_MISC_file._name = base_plus_suffix(temp,"_misc.cpp"); 143 AD._CPP_PEEPHOLE_file._name = base_plus_suffix(temp,"_peephole.cpp"); 144 AD._CPP_PIPELINE_file._name = base_plus_suffix(temp,"_pipeline.cpp"); 145 AD._HPP_file._name = base_plus_suffix(temp,".hpp"); 146 delete temp; 147 temp = base_plus_suffix("adGlobals_",base); 148 AD._VM_file._name = base_plus_suffix(temp,".hpp"); 149 delete temp; 150 temp = base_plus_suffix("bugs_",base); 151 AD._bug_file._name = base_plus_suffix(temp,".out"); 152 delete temp; 153 } // End of files vs options... 154 } // End of while have command line arguments 155 156 // Open files used to store the matcher and its components 157 if (AD.open_files() == 0) return 1; // Open all input/output files 158 159 // Build the File Buffer, Parse the input, & Generate Code 160 FileBuff ADL_Buf(&AD._ADL_file, AD); // Create a file buffer for input file 161 162 // Get pointer to legal text at the beginning of AD file. 163 // It will be used in generated ad files. 164 char* legal_text; 165 int legal_sz = get_legal_text(ADL_Buf, &legal_text); 166 167 ADL_Parse = new ADLParser(ADL_Buf, AD); // Create a parser to parse the buffer 168 ADL_Parse->parse(); // Parse buffer & build description lists 169 170 if( AD._dfa_debug >= 1 ) { // For higher debug settings, print dump 171 AD.dump(); 172 } 173 174 delete ADL_Parse; // Delete parser 175 176 // Verify that the results of the parse are consistent 177 AD.verify(); 178 179 // Prepare to generate the result files: 180 AD.generateMatchLists(); 181 AD.identify_unique_operands(); 182 AD.identify_cisc_spill_instructions(); 183 AD.identify_short_branches(); 184 // Make sure every file starts with a copyright: 185 AD.addSunCopyright(legal_text, legal_sz, AD._HPP_file._fp); // .hpp 186 AD.addSunCopyright(legal_text, legal_sz, AD._CPP_file._fp); // .cpp 187 AD.addSunCopyright(legal_text, legal_sz, AD._CPP_CLONE_file._fp); // .cpp 188 AD.addSunCopyright(legal_text, legal_sz, AD._CPP_EXPAND_file._fp); // .cpp 189 AD.addSunCopyright(legal_text, legal_sz, AD._CPP_FORMAT_file._fp); // .cpp 190 AD.addSunCopyright(legal_text, legal_sz, AD._CPP_GEN_file._fp); // .cpp 191 AD.addSunCopyright(legal_text, legal_sz, AD._CPP_MISC_file._fp); // .cpp 192 AD.addSunCopyright(legal_text, legal_sz, AD._CPP_PEEPHOLE_file._fp); // .cpp 193 AD.addSunCopyright(legal_text, legal_sz, AD._CPP_PIPELINE_file._fp); // .cpp 194 AD.addSunCopyright(legal_text, legal_sz, AD._VM_file._fp); // .hpp 195 AD.addSunCopyright(legal_text, legal_sz, AD._DFA_file._fp); // .cpp 196 // Make sure each .cpp file starts with include lines: 197 // files declaring and defining generators for Mach* Objects (hpp,cpp) 198 AD.machineDependentIncludes(AD._CPP_file); // .cpp 199 AD.machineDependentIncludes(AD._CPP_CLONE_file); // .cpp 200 AD.machineDependentIncludes(AD._CPP_EXPAND_file); // .cpp 201 AD.machineDependentIncludes(AD._CPP_FORMAT_file); // .cpp 202 AD.machineDependentIncludes(AD._CPP_GEN_file); // .cpp 203 AD.machineDependentIncludes(AD._CPP_MISC_file); // .cpp 204 AD.machineDependentIncludes(AD._CPP_PEEPHOLE_file); // .cpp 205 AD.machineDependentIncludes(AD._CPP_PIPELINE_file); // .cpp 206 // Generate the result files: 207 // enumerations, class definitions, object generators, and the DFA 208 // file containing enumeration of machine operands & instructions (hpp) 209 AD.addPreHeaderBlocks(AD._HPP_file._fp); // .hpp 210 AD.buildMachOperEnum(AD._HPP_file._fp); // .hpp 211 AD.buildMachOpcodesEnum(AD._HPP_file._fp); // .hpp 212 AD.buildMachRegisterNumbers(AD._VM_file._fp); // VM file 213 AD.buildMachRegisterEncodes(AD._HPP_file._fp); // .hpp file 214 AD.declareRegSizes(AD._HPP_file._fp); // .hpp 215 AD.build_pipeline_enums(AD._HPP_file._fp); // .hpp 216 // output definition of class "State" 217 AD.defineStateClass(AD._HPP_file._fp); // .hpp 218 // file declaring the Mach* classes derived from MachOper and MachNode 219 AD.declareClasses(AD._HPP_file._fp); 220 // declare and define maps: in the .hpp and .cpp files respectively 221 AD.addSourceBlocks(AD._CPP_file._fp); // .cpp 222 AD.addHeaderBlocks(AD._HPP_file._fp); // .hpp 223 AD.buildReduceMaps(AD._HPP_file._fp, AD._CPP_file._fp); 224 AD.buildMustCloneMap(AD._HPP_file._fp, AD._CPP_file._fp); 225 // build CISC_spilling oracle and MachNode::cisc_spill() methods 226 AD.build_cisc_spill_instructions(AD._HPP_file._fp, AD._CPP_file._fp); 227 // define methods for machine dependent State, MachOper, and MachNode classes 228 AD.defineClasses(AD._CPP_file._fp); 229 AD.buildMachOperGenerator(AD._CPP_GEN_file._fp);// .cpp 230 AD.buildMachNodeGenerator(AD._CPP_GEN_file._fp);// .cpp 231 // define methods for machine dependent instruction matching 232 AD.buildInstructMatchCheck(AD._CPP_file._fp); // .cpp 233 // define methods for machine dependent frame management 234 AD.buildFrameMethods(AD._CPP_file._fp); // .cpp 235 236 // do this last: 237 AD.addPreprocessorChecks(AD._CPP_file._fp); // .cpp 238 AD.addPreprocessorChecks(AD._CPP_CLONE_file._fp); // .cpp 239 AD.addPreprocessorChecks(AD._CPP_EXPAND_file._fp); // .cpp 240 AD.addPreprocessorChecks(AD._CPP_FORMAT_file._fp); // .cpp 241 AD.addPreprocessorChecks(AD._CPP_GEN_file._fp); // .cpp 242 AD.addPreprocessorChecks(AD._CPP_MISC_file._fp); // .cpp 243 AD.addPreprocessorChecks(AD._CPP_PEEPHOLE_file._fp); // .cpp 244 AD.addPreprocessorChecks(AD._CPP_PIPELINE_file._fp); // .cpp 245 246 // define the finite automata that selects lowest cost production 247 AD.machineDependentIncludes(AD._DFA_file); // .cpp 248 AD.buildDFA(AD._DFA_file._fp); 249 250 AD.close_files(0); // Close all input/output files 251 252 // Final printout and statistics 253 // cout << program; 254 255 if( AD._dfa_debug & 2 ) { // For higher debug settings, print timing info 256 // Timer t_stop; 257 // Timer t_total = t_stop - t_start; // Total running time 258 // cerr << "\n---Architecture Description Totals---\n"; 259 // cerr << ", Total lines: " << TotalLines; 260 // float l = TotalLines; 261 // cerr << "\nTotal Compilation Time: " << t_total << "\n"; 262 // float ft = (float)t_total; 263 // if( ft > 0.0 ) fprintf(stderr,"Lines/sec: %#5.2f\n", l/ft); 264 } 265 return (AD._syntax_errs + AD._semantic_errs + AD._internal_errs); // Bye Bye!! 266} 267 268//------------------------------usage------------------------------------------ 269static void usage(ArchDesc& AD) 270{ 271 printf("Architecture Description Language Compiler\n\n"); 272 printf("Usage: adl [-doqw] [-Dflag[=def]] [-Uflag] [-cFILENAME] [-hFILENAME] [-aDFAFILE] ADLFILE\n"); 273 printf(" d produce DFA debugging info\n"); 274 printf(" o no output produced, syntax and semantic checking only\n"); 275 printf(" q quiet mode, supresses all non-essential messages\n"); 276 printf(" w suppress warning messages\n"); 277 printf(" c specify CPP file name (default: %s)\n", AD._CPP_file._name); 278 printf(" h specify HPP file name (default: %s)\n", AD._HPP_file._name); 279 printf(" a specify DFA output file name\n"); 280 printf("\n"); 281} 282 283//------------------------------open_file------------------------------------ 284int ArchDesc::open_file(bool required, ADLFILE & ADF, const char *action) 285{ 286 if (required && 287 (ADF._fp = fopen(ADF._name, action)) == NULL) { 288 printf("ERROR: Cannot open file for %s: %s\n", action, ADF._name); 289 close_files(1); 290 return 0; 291 } 292 return 1; 293} 294 295//------------------------------open_files------------------------------------- 296int ArchDesc::open_files(void) 297{ 298 if (_ADL_file._name == NULL) 299 { printf("ERROR: No ADL input file specified\n"); return 0; } 300 301 if (!open_file(true , _ADL_file, "r")) { return 0; } 302 if (!open_file(!_no_output, _DFA_file, "w")) { return 0; } 303 if (!open_file(!_no_output, _HPP_file, "w")) { return 0; } 304 if (!open_file(!_no_output, _CPP_file, "w")) { return 0; } 305 if (!open_file(!_no_output, _CPP_CLONE_file, "w")) { return 0; } 306 if (!open_file(!_no_output, _CPP_EXPAND_file, "w")) { return 0; } 307 if (!open_file(!_no_output, _CPP_FORMAT_file, "w")) { return 0; } 308 if (!open_file(!_no_output, _CPP_GEN_file, "w")) { return 0; } 309 if (!open_file(!_no_output, _CPP_MISC_file, "w")) { return 0; } 310 if (!open_file(!_no_output, _CPP_PEEPHOLE_file, "w")) { return 0; } 311 if (!open_file(!_no_output, _CPP_PIPELINE_file, "w")) { return 0; } 312 if (!open_file(!_no_output, _VM_file , "w")) { return 0; } 313 if (!open_file(_dfa_debug != 0, _bug_file, "w")) { return 0; } 314 315 return 1; 316} 317 318//------------------------------close_file------------------------------------ 319void ArchDesc::close_file(int delete_out, ADLFILE& ADF) 320{ 321 if (ADF._fp) { 322 fclose(ADF._fp); 323 if (delete_out) remove(ADF._name); 324 } 325} 326 327//------------------------------close_files------------------------------------ 328void ArchDesc::close_files(int delete_out) 329{ 330 if (_ADL_file._fp) fclose(_ADL_file._fp); 331 332 close_file(delete_out, _CPP_file); 333 close_file(delete_out, _CPP_CLONE_file); 334 close_file(delete_out, _CPP_EXPAND_file); 335 close_file(delete_out, _CPP_FORMAT_file); 336 close_file(delete_out, _CPP_GEN_file); 337 close_file(delete_out, _CPP_MISC_file); 338 close_file(delete_out, _CPP_PEEPHOLE_file); 339 close_file(delete_out, _CPP_PIPELINE_file); 340 close_file(delete_out, _HPP_file); 341 close_file(delete_out, _DFA_file); 342 close_file(delete_out, _bug_file); 343 344 if (!_quiet_mode) { 345 printf("\n"); 346 if (_no_output || delete_out) { 347 if (_ADL_file._name) printf("%s: ", _ADL_file._name); 348 printf("No output produced"); 349 } 350 else { 351 if (_ADL_file._name) printf("%s --> ", _ADL_file._name); 352 printf("%s, %s, %s, %s, %s, %s, %s, %s, %s", 353 _CPP_file._name, 354 _CPP_CLONE_file._name, 355 _CPP_EXPAND_file._name, 356 _CPP_FORMAT_file._name, 357 _CPP_GEN_file._name, 358 _CPP_MISC_file._name, 359 _CPP_PEEPHOLE_file._name, 360 _CPP_PIPELINE_file._name, 361 _HPP_file._name, _DFA_file._name); 362 } 363 printf("\n"); 364 } 365} 366 367//------------------------------strip_ext-------------------------------------- 368static char *strip_ext(char *fname) 369{ 370 char *ep; 371 372 if (fname) { 373 ep = fname + strlen(fname) - 1; // start at last character and look for '.' 374 while (ep >= fname && *ep != '.') --ep; 375 if (*ep == '.') *ep = '\0'; // truncate string at '.' 376 } 377 return fname; 378} 379 380//------------------------------strip_path_and_ext------------------------------ 381static char *strip_path_and_ext(char *fname) 382{ 383 char *ep; 384 char *sp; 385 386 if (fname) { 387 for (sp = fname; *sp; sp++) 388 if (*sp == '/') fname = sp+1; 389 ep = fname; // start at first character and look for '.' 390 while (ep <= (fname + strlen(fname) - 1) && *ep != '.') ep++; 391 if (*ep == '.') *ep = '\0'; // truncate string at '.' 392 } 393 return fname; 394} 395 396//------------------------------base_plus_suffix------------------------------- 397// New concatenated string 398static char *base_plus_suffix(const char* base, const char *suffix) 399{ 400 int len = (int)strlen(base) + (int)strlen(suffix) + 1; 401 402 char* fname = new char[len]; 403 sprintf(fname,"%s%s",base,suffix); 404 return fname; 405} 406 407 408//------------------------------prefix_plus_base_plus_suffix------------------- 409// New concatenated string 410static char *prefix_plus_base_plus_suffix(const char* prefix, const char* base, const char *suffix) 411{ 412 int len = (int)strlen(prefix) + (int)strlen(base) + (int)strlen(suffix) + 1; 413 414 char* fname = new char[len]; 415 sprintf(fname,"%s%s%s",prefix,base,suffix); 416 return fname; 417} 418 419//------------------------------get_legal_text--------------------------------- 420// Get pointer to legal text at the beginning of AD file. 421// This code assumes that a legal text starts at the beginning of .ad files, 422// is commented by "//" at each line and ends with empty line. 423// 424int get_legal_text(FileBuff &fbuf, char **legal_text) 425{ 426 char* legal_start = fbuf.get_line(); 427 assert(legal_start[0] == '/' && legal_start[1] == '/', "Incorrect header of AD file"); 428 char* legal_end = fbuf.get_line(); 429 assert(strncmp(legal_end, "// Copyright", 12) == 0, "Incorrect header of AD file"); 430 while(legal_end[0] == '/' && legal_end[1] == '/') { 431 legal_end = fbuf.get_line(); 432 } 433 *legal_text = legal_start; 434 return (legal_end - legal_start); 435} 436 437// VS2005 has its own definition, identical to this one. 438#if !defined(_WIN32) || defined(_WIN64) || _MSC_VER < 1400 439void *operator new( size_t size, int, const char *, int ) { 440 return ::operator new( size ); 441} 442#endif 443