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