diff -r fd16c54261b3 -r 489c9b5090e2 hotspot/src/share/vm/adlc/main.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/hotspot/src/share/vm/adlc/main.cpp Sat Dec 01 00:00:00 2007 +0000 @@ -0,0 +1,442 @@ +/* + * Copyright 1997-2007 Sun Microsystems, Inc. All Rights Reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, + * CA 95054 USA or visit www.sun.com if you need additional information or + * have any questions. + * + */ + +// MAIN.CPP - Entry point for the Architecture Description Language Compiler +#include "adlc.hpp" + +//------------------------------Prototypes------------------------------------- +static void usage(ArchDesc& AD); // Print usage message and exit +static char *strip_ext(char *fname); // Strip off name extension +static char *base_plus_suffix(const char* base, const char *suffix);// New concatenated string +static char *prefix_plus_base_plus_suffix(const char* prefix, const char* base, const char *suffix);// New concatenated string +static int get_legal_text(FileBuff &fbuf, char **legal_text); // Get pointer to legal text + +ArchDesc* globalAD = NULL; // global reference to Architecture Description object + +//------------------------------main------------------------------------------- +int main(int argc, char *argv[]) +{ + ArchDesc AD; // Architecture Description object + globalAD = &AD; + + // ResourceMark mark; + ADLParser *ADL_Parse; // ADL Parser object to parse AD file + + // Check for proper arguments + if( argc == 1 ) usage(AD); // No arguments? Then print usage + + // Read command line arguments and file names + for( int i = 1; i < argc; i++ ) { // For all arguments + register char *s = argv[i]; // Get option/filename + + if( *s++ == '-' ) { // It's a flag? (not a filename) + if( !*s ) { // Stand-alone `-' means stdin + //********** INSERT CODE HERE ********** + } else while (*s != '\0') { // While have flags on option + switch (*s++) { // Handle flag + case 'd': // Debug flag + AD._dfa_debug += 1; // Set Debug Flag + break; + case 'g': // Debug ad location flag + AD._adlocation_debug += 1; // Set Debug ad location Flag + break; + case 'o': // No Output Flag + AD._no_output ^= 1; // Toggle no_output flag + break; + case 'q': // Quiet Mode Flag + AD._quiet_mode ^= 1; // Toggle quiet_mode flag + break; + case 'w': // Disable Warnings Flag + AD._disable_warnings ^= 1; // Toggle disable_warnings flag + break; + case 'T': // Option to make DFA as many subroutine calls. + AD._dfa_small += 1; // Set Mode Flag + break; + case 'c': { // Set C++ Output file name + AD._CPP_file._name = s; + const char *base = strip_ext(strdup(s)); + AD._CPP_CLONE_file._name = base_plus_suffix(base,"_clone.cpp"); + AD._CPP_EXPAND_file._name = base_plus_suffix(base,"_expand.cpp"); + AD._CPP_FORMAT_file._name = base_plus_suffix(base,"_format.cpp"); + AD._CPP_GEN_file._name = base_plus_suffix(base,"_gen.cpp"); + AD._CPP_MISC_file._name = base_plus_suffix(base,"_misc.cpp"); + AD._CPP_PEEPHOLE_file._name = base_plus_suffix(base,"_peephole.cpp"); + AD._CPP_PIPELINE_file._name = base_plus_suffix(base,"_pipeline.cpp"); + s += strlen(s); + break; + } + case 'h': // Set C++ Output file name + AD._HPP_file._name = s; s += strlen(s); + break; + case 'v': // Set C++ Output file name + AD._VM_file._name = s; s += strlen(s); + break; + case 'a': // Set C++ Output file name + AD._DFA_file._name = s; + AD._bug_file._name = s; + s += strlen(s); + break; + case '#': // Special internal debug flag + AD._adl_debug++; // Increment internal debug level + break; + case 's': // Output which instructions are cisc-spillable + AD._cisc_spill_debug = true; + break; + case 'D': // Flag Definition + { + char* flag = s; + s += strlen(s); + char* def = strchr(flag, '='); + if (def == NULL) def = (char*)"1"; + else *def++ = '\0'; + AD.set_preproc_def(flag, def); + } + break; + case 'U': // Flag Un-Definition + { + char* flag = s; + s += strlen(s); + AD.set_preproc_def(flag, NULL); + } + break; + default: // Unknown option + usage(AD); // So print usage and exit + } // End of switch on options... + } // End of while have options... + + } else { // Not an option; must be a filename + AD._ADL_file._name = argv[i]; // Set the input filename + + // // Files for storage, based on input file name + const char *base = strip_ext(strdup(argv[i])); + char *temp = base_plus_suffix("dfa_",base); + AD._DFA_file._name = base_plus_suffix(temp,".cpp"); + delete temp; + temp = base_plus_suffix("ad_",base); + AD._CPP_file._name = base_plus_suffix(temp,".cpp"); + AD._CPP_CLONE_file._name = base_plus_suffix(temp,"_clone.cpp"); + AD._CPP_EXPAND_file._name = base_plus_suffix(temp,"_expand.cpp"); + AD._CPP_FORMAT_file._name = base_plus_suffix(temp,"_format.cpp"); + AD._CPP_GEN_file._name = base_plus_suffix(temp,"_gen.cpp"); + AD._CPP_MISC_file._name = base_plus_suffix(temp,"_misc.cpp"); + AD._CPP_PEEPHOLE_file._name = base_plus_suffix(temp,"_peephole.cpp"); + AD._CPP_PIPELINE_file._name = base_plus_suffix(temp,"_pipeline.cpp"); + AD._HPP_file._name = base_plus_suffix(temp,".hpp"); + delete temp; + temp = base_plus_suffix("adGlobals_",base); + AD._VM_file._name = base_plus_suffix(temp,".hpp"); + delete temp; + temp = base_plus_suffix("bugs_",base); + AD._bug_file._name = base_plus_suffix(temp,".out"); + delete temp; + } // End of files vs options... + } // End of while have command line arguments + + // Open files used to store the matcher and its components + if (AD.open_files() == 0) return 1; // Open all input/output files + + // Build the File Buffer, Parse the input, & Generate Code + FileBuff ADL_Buf(&AD._ADL_file, AD); // Create a file buffer for input file + + // Get pointer to legal text at the beginning of AD file. + // It will be used in generated ad files. + char* legal_text; + int legal_sz = get_legal_text(ADL_Buf, &legal_text); + + ADL_Parse = new ADLParser(ADL_Buf, AD); // Create a parser to parse the buffer + ADL_Parse->parse(); // Parse buffer & build description lists + + if( AD._dfa_debug >= 1 ) { // For higher debug settings, print dump + AD.dump(); + } + + delete ADL_Parse; // Delete parser + + // Verify that the results of the parse are consistent + AD.verify(); + + // Prepare to generate the result files: + AD.generateMatchLists(); + AD.identify_unique_operands(); + AD.identify_cisc_spill_instructions(); + AD.identify_short_branches(); + // Make sure every file starts with a copyright: + AD.addSunCopyright(legal_text, legal_sz, AD._HPP_file._fp); // .hpp + AD.addSunCopyright(legal_text, legal_sz, AD._CPP_file._fp); // .cpp + AD.addSunCopyright(legal_text, legal_sz, AD._CPP_CLONE_file._fp); // .cpp + AD.addSunCopyright(legal_text, legal_sz, AD._CPP_EXPAND_file._fp); // .cpp + AD.addSunCopyright(legal_text, legal_sz, AD._CPP_FORMAT_file._fp); // .cpp + AD.addSunCopyright(legal_text, legal_sz, AD._CPP_GEN_file._fp); // .cpp + AD.addSunCopyright(legal_text, legal_sz, AD._CPP_MISC_file._fp); // .cpp + AD.addSunCopyright(legal_text, legal_sz, AD._CPP_PEEPHOLE_file._fp); // .cpp + AD.addSunCopyright(legal_text, legal_sz, AD._CPP_PIPELINE_file._fp); // .cpp + AD.addSunCopyright(legal_text, legal_sz, AD._VM_file._fp); // .hpp + AD.addSunCopyright(legal_text, legal_sz, AD._DFA_file._fp); // .cpp + // Make sure each .cpp file starts with include lines: + // files declaring and defining generators for Mach* Objects (hpp,cpp) + AD.machineDependentIncludes(AD._CPP_file); // .cpp + AD.machineDependentIncludes(AD._CPP_CLONE_file); // .cpp + AD.machineDependentIncludes(AD._CPP_EXPAND_file); // .cpp + AD.machineDependentIncludes(AD._CPP_FORMAT_file); // .cpp + AD.machineDependentIncludes(AD._CPP_GEN_file); // .cpp + AD.machineDependentIncludes(AD._CPP_MISC_file); // .cpp + AD.machineDependentIncludes(AD._CPP_PEEPHOLE_file); // .cpp + AD.machineDependentIncludes(AD._CPP_PIPELINE_file); // .cpp + // Generate the result files: + // enumerations, class definitions, object generators, and the DFA + // file containing enumeration of machine operands & instructions (hpp) + AD.addPreHeaderBlocks(AD._HPP_file._fp); // .hpp + AD.buildMachOperEnum(AD._HPP_file._fp); // .hpp + AD.buildMachOpcodesEnum(AD._HPP_file._fp); // .hpp + AD.buildMachRegisterNumbers(AD._VM_file._fp); // VM file + AD.buildMachRegisterEncodes(AD._HPP_file._fp); // .hpp file + AD.declareRegSizes(AD._HPP_file._fp); // .hpp + AD.build_pipeline_enums(AD._HPP_file._fp); // .hpp + // output definition of class "State" + AD.defineStateClass(AD._HPP_file._fp); // .hpp + // file declaring the Mach* classes derived from MachOper and MachNode + AD.declareClasses(AD._HPP_file._fp); + // declare and define maps: in the .hpp and .cpp files respectively + AD.addSourceBlocks(AD._CPP_file._fp); // .cpp + AD.addHeaderBlocks(AD._HPP_file._fp); // .hpp + AD.buildReduceMaps(AD._HPP_file._fp, AD._CPP_file._fp); + AD.buildMustCloneMap(AD._HPP_file._fp, AD._CPP_file._fp); + // build CISC_spilling oracle and MachNode::cisc_spill() methods + AD.build_cisc_spill_instructions(AD._HPP_file._fp, AD._CPP_file._fp); + // define methods for machine dependent State, MachOper, and MachNode classes + AD.defineClasses(AD._CPP_file._fp); + AD.buildMachOperGenerator(AD._CPP_GEN_file._fp);// .cpp + AD.buildMachNodeGenerator(AD._CPP_GEN_file._fp);// .cpp + // define methods for machine dependent instruction matching + AD.buildInstructMatchCheck(AD._CPP_file._fp); // .cpp + // define methods for machine dependent frame management + AD.buildFrameMethods(AD._CPP_file._fp); // .cpp + + // do this last: + AD.addPreprocessorChecks(AD._CPP_file._fp); // .cpp + AD.addPreprocessorChecks(AD._CPP_CLONE_file._fp); // .cpp + AD.addPreprocessorChecks(AD._CPP_EXPAND_file._fp); // .cpp + AD.addPreprocessorChecks(AD._CPP_FORMAT_file._fp); // .cpp + AD.addPreprocessorChecks(AD._CPP_GEN_file._fp); // .cpp + AD.addPreprocessorChecks(AD._CPP_MISC_file._fp); // .cpp + AD.addPreprocessorChecks(AD._CPP_PEEPHOLE_file._fp); // .cpp + AD.addPreprocessorChecks(AD._CPP_PIPELINE_file._fp); // .cpp + + // define the finite automata that selects lowest cost production + AD.machineDependentIncludes(AD._DFA_file); // .cpp + AD.buildDFA(AD._DFA_file._fp); + + AD.close_files(0); // Close all input/output files + + // Final printout and statistics + // cout << program; + + if( AD._dfa_debug & 2 ) { // For higher debug settings, print timing info + // Timer t_stop; + // Timer t_total = t_stop - t_start; // Total running time + // cerr << "\n---Architecture Description Totals---\n"; + // cerr << ", Total lines: " << TotalLines; + // float l = TotalLines; + // cerr << "\nTotal Compilation Time: " << t_total << "\n"; + // float ft = (float)t_total; + // if( ft > 0.0 ) fprintf(stderr,"Lines/sec: %#5.2f\n", l/ft); + } + return (AD._syntax_errs + AD._semantic_errs + AD._internal_errs); // Bye Bye!! +} + +//------------------------------usage------------------------------------------ +static void usage(ArchDesc& AD) +{ + printf("Architecture Description Language Compiler\n\n"); + printf("Usage: adl [-doqw] [-Dflag[=def]] [-Uflag] [-cFILENAME] [-hFILENAME] [-aDFAFILE] ADLFILE\n"); + printf(" d produce DFA debugging info\n"); + printf(" o no output produced, syntax and semantic checking only\n"); + printf(" q quiet mode, supresses all non-essential messages\n"); + printf(" w suppress warning messages\n"); + printf(" c specify CPP file name (default: %s)\n", AD._CPP_file._name); + printf(" h specify HPP file name (default: %s)\n", AD._HPP_file._name); + printf(" a specify DFA output file name\n"); + printf("\n"); +} + +//------------------------------open_file------------------------------------ +int ArchDesc::open_file(bool required, ADLFILE & ADF, const char *action) +{ + if (required && + (ADF._fp = fopen(ADF._name, action)) == NULL) { + printf("ERROR: Cannot open file for %s: %s\n", action, ADF._name); + close_files(1); + return 0; + } + return 1; +} + +//------------------------------open_files------------------------------------- +int ArchDesc::open_files(void) +{ + if (_ADL_file._name == NULL) + { printf("ERROR: No ADL input file specified\n"); return 0; } + + if (!open_file(true , _ADL_file, "r")) { return 0; } + if (!open_file(!_no_output, _DFA_file, "w")) { return 0; } + if (!open_file(!_no_output, _HPP_file, "w")) { return 0; } + if (!open_file(!_no_output, _CPP_file, "w")) { return 0; } + if (!open_file(!_no_output, _CPP_CLONE_file, "w")) { return 0; } + if (!open_file(!_no_output, _CPP_EXPAND_file, "w")) { return 0; } + if (!open_file(!_no_output, _CPP_FORMAT_file, "w")) { return 0; } + if (!open_file(!_no_output, _CPP_GEN_file, "w")) { return 0; } + if (!open_file(!_no_output, _CPP_MISC_file, "w")) { return 0; } + if (!open_file(!_no_output, _CPP_PEEPHOLE_file, "w")) { return 0; } + if (!open_file(!_no_output, _CPP_PIPELINE_file, "w")) { return 0; } + if (!open_file(!_no_output, _VM_file , "w")) { return 0; } + if (!open_file(_dfa_debug != 0, _bug_file, "w")) { return 0; } + + return 1; +} + +//------------------------------close_file------------------------------------ +void ArchDesc::close_file(int delete_out, ADLFILE& ADF) +{ + if (ADF._fp) { + fclose(ADF._fp); + if (delete_out) remove(ADF._name); + } +} + +//------------------------------close_files------------------------------------ +void ArchDesc::close_files(int delete_out) +{ + if (_ADL_file._fp) fclose(_ADL_file._fp); + + close_file(delete_out, _CPP_file); + close_file(delete_out, _CPP_CLONE_file); + close_file(delete_out, _CPP_EXPAND_file); + close_file(delete_out, _CPP_FORMAT_file); + close_file(delete_out, _CPP_GEN_file); + close_file(delete_out, _CPP_MISC_file); + close_file(delete_out, _CPP_PEEPHOLE_file); + close_file(delete_out, _CPP_PIPELINE_file); + close_file(delete_out, _HPP_file); + close_file(delete_out, _DFA_file); + close_file(delete_out, _bug_file); + + if (!_quiet_mode) { + printf("\n"); + if (_no_output || delete_out) { + if (_ADL_file._name) printf("%s: ", _ADL_file._name); + printf("No output produced"); + } + else { + if (_ADL_file._name) printf("%s --> ", _ADL_file._name); + printf("%s, %s, %s, %s, %s, %s, %s, %s, %s", + _CPP_file._name, + _CPP_CLONE_file._name, + _CPP_EXPAND_file._name, + _CPP_FORMAT_file._name, + _CPP_GEN_file._name, + _CPP_MISC_file._name, + _CPP_PEEPHOLE_file._name, + _CPP_PIPELINE_file._name, + _HPP_file._name, _DFA_file._name); + } + printf("\n"); + } +} + +//------------------------------strip_ext-------------------------------------- +static char *strip_ext(char *fname) +{ + char *ep; + + if (fname) { + ep = fname + strlen(fname) - 1; // start at last character and look for '.' + while (ep >= fname && *ep != '.') --ep; + if (*ep == '.') *ep = '\0'; // truncate string at '.' + } + return fname; +} + +//------------------------------strip_path_and_ext------------------------------ +static char *strip_path_and_ext(char *fname) +{ + char *ep; + char *sp; + + if (fname) { + for (sp = fname; *sp; sp++) + if (*sp == '/') fname = sp+1; + ep = fname; // start at first character and look for '.' + while (ep <= (fname + strlen(fname) - 1) && *ep != '.') ep++; + if (*ep == '.') *ep = '\0'; // truncate string at '.' + } + return fname; +} + +//------------------------------base_plus_suffix------------------------------- +// New concatenated string +static char *base_plus_suffix(const char* base, const char *suffix) +{ + int len = (int)strlen(base) + (int)strlen(suffix) + 1; + + char* fname = new char[len]; + sprintf(fname,"%s%s",base,suffix); + return fname; +} + + +//------------------------------prefix_plus_base_plus_suffix------------------- +// New concatenated string +static char *prefix_plus_base_plus_suffix(const char* prefix, const char* base, const char *suffix) +{ + int len = (int)strlen(prefix) + (int)strlen(base) + (int)strlen(suffix) + 1; + + char* fname = new char[len]; + sprintf(fname,"%s%s%s",prefix,base,suffix); + return fname; +} + +//------------------------------get_legal_text--------------------------------- +// Get pointer to legal text at the beginning of AD file. +// This code assumes that a legal text starts at the beginning of .ad files, +// is commented by "//" at each line and ends with empty line. +// +int get_legal_text(FileBuff &fbuf, char **legal_text) +{ + char* legal_start = fbuf.get_line(); + assert(legal_start[0] == '/' && legal_start[1] == '/', "Incorrect header of AD file"); + char* legal_end = fbuf.get_line(); + assert(strncmp(legal_end, "// Copyright", 12) == 0, "Incorrect header of AD file"); + while(legal_end[0] == '/' && legal_end[1] == '/') { + legal_end = fbuf.get_line(); + } + *legal_text = legal_start; + return (legal_end - legal_start); +} + +// VS2005 has its own definition, identical to this one. +#if !defined(_WIN32) || defined(_WIN64) || _MSC_VER < 1400 +void *operator new( size_t size, int, const char *, int ) { + return ::operator new( size ); +} +#endif