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