--- /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