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diff --git a/tools/llvmc/CompilerDriver.cpp b/tools/llvmc/CompilerDriver.cpp
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+//===- CompilerDriver.cpp - The LLVM Compiler Driver ------------*- C++ -*-===//
+//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file was developed by Reid Spencer and is distributed under the
+// University of Illinois Open Source License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file implements the bulk of the LLVM Compiler Driver (llvmc).
+//
+//===----------------------------------------------------------------------===//
+
+#include "CompilerDriver.h"
+#include "ConfigLexer.h"
+#include "llvm/Module.h"
+#include "llvm/ModuleProvider.h"
+#include "llvm/Bitcode/ReaderWriter.h"
+#include "llvm/Support/MemoryBuffer.h"
+#include "llvm/Support/Timer.h"
+#include "llvm/System/Signals.h"
+#include "llvm/ADT/SetVector.h"
+#include "llvm/ADT/StringExtras.h"
+#include "llvm/Config/alloca.h"
+#include <iostream>
+using namespace llvm;
+
+
+namespace {
+
+void WriteAction(CompilerDriver::Action* action ) {
+ std::cerr << action->program.c_str();
+ std::vector<std::string>::const_iterator I = action->args.begin();
+ while (I != action->args.end()) {
+ std::cerr << ' ' << *I;
+ ++I;
+ }
+ std::cerr << '\n';
+}
+
+void DumpAction(CompilerDriver::Action* action) {
+ std::cerr << "command = " << action->program.c_str();
+ std::vector<std::string>::const_iterator I = action->args.begin();
+ while (I != action->args.end()) {
+ std::cerr << ' ' << *I;
+ ++I;
+ }
+ std::cerr << '\n';
+ std::cerr << "flags = " << action->flags << '\n';
+}
+
+void DumpConfigData(CompilerDriver::ConfigData* cd, const std::string& type ){
+ std::cerr << "Configuration Data For '" << cd->langName << "' (" << type
+ << ")\n";
+ std::cerr << "PreProcessor: ";
+ DumpAction(&cd->PreProcessor);
+ std::cerr << "Translator: ";
+ DumpAction(&cd->Translator);
+ std::cerr << "Optimizer: ";
+ DumpAction(&cd->Optimizer);
+ std::cerr << "Assembler: ";
+ DumpAction(&cd->Assembler);
+ std::cerr << "Linker: ";
+ DumpAction(&cd->Linker);
+}
+
+static bool GetBitcodeDependentLibraries(const std::string &fname,
+ Module::LibraryListType& deplibs,
+ std::string* ErrMsg) {
+ ModuleProvider *MP = 0;
+ if (MemoryBuffer *Buffer = MemoryBuffer::getFileOrSTDIN(fname)) {
+ MP = getBitcodeModuleProvider(Buffer);
+ if (MP == 0) delete Buffer;
+ }
+ if (!MP) {
+ deplibs.clear();
+ return true;
+ }
+ deplibs = MP->getModule()->getLibraries();
+ delete MP;
+ return false;
+}
+
+
+class CompilerDriverImpl : public CompilerDriver {
+/// @name Constructors
+/// @{
+public:
+ CompilerDriverImpl(ConfigDataProvider& confDatProv )
+ : cdp(&confDatProv)
+ , finalPhase(LINKING)
+ , optLevel(OPT_FAST_COMPILE)
+ , Flags(0)
+ , machine()
+ , LibraryPaths()
+ , TempDir()
+ , AdditionalArgs()
+ {
+ AdditionalArgs.reserve(NUM_PHASES);
+ StringVector emptyVec;
+ for (unsigned i = 0; i < NUM_PHASES; ++i)
+ AdditionalArgs.push_back(emptyVec);
+ }
+
+ virtual ~CompilerDriverImpl() {
+ cleanup();
+ cdp = 0;
+ LibraryPaths.clear();
+ IncludePaths.clear();
+ Defines.clear();
+ TempDir.clear();
+ AdditionalArgs.clear();
+ fOptions.clear();
+ MOptions.clear();
+ WOptions.clear();
+ }
+
+/// @}
+/// @name Methods
+/// @{
+public:
+ virtual void setFinalPhase(Phases phase) {
+ finalPhase = phase;
+ }
+
+ virtual void setOptimization(OptimizationLevels level) {
+ optLevel = level;
+ }
+
+ virtual void setDriverFlags(unsigned flags) {
+ Flags = flags & DRIVER_FLAGS_MASK;
+ }
+
+ virtual void setOutputMachine(const std::string& machineName) {
+ machine = machineName;
+ }
+
+ virtual void setPhaseArgs(Phases phase, const StringVector& opts) {
+ assert(phase <= LINKING && phase >= PREPROCESSING);
+ AdditionalArgs[phase] = opts;
+ }
+
+ virtual void setIncludePaths(const StringVector& paths) {
+ StringVector::const_iterator I = paths.begin();
+ StringVector::const_iterator E = paths.end();
+ while (I != E) {
+ sys::Path tmp;
+ tmp.set(*I);
+ IncludePaths.push_back(tmp);
+ ++I;
+ }
+ }
+
+ virtual void setSymbolDefines(const StringVector& defs) {
+ Defines = defs;
+ }
+
+ virtual void setLibraryPaths(const StringVector& paths) {
+ StringVector::const_iterator I = paths.begin();
+ StringVector::const_iterator E = paths.end();
+ while (I != E) {
+ sys::Path tmp;
+ tmp.set(*I);
+ LibraryPaths.push_back(tmp);
+ ++I;
+ }
+ }
+
+ virtual void addLibraryPath(const sys::Path& libPath) {
+ LibraryPaths.push_back(libPath);
+ }
+
+ virtual void addToolPath(const sys::Path& toolPath) {
+ ToolPaths.push_back(toolPath);
+ }
+
+ virtual void setfPassThrough(const StringVector& fOpts) {
+ fOptions = fOpts;
+ }
+
+ /// @brief Set the list of -M options to be passed through
+ virtual void setMPassThrough(const StringVector& MOpts) {
+ MOptions = MOpts;
+ }
+
+ /// @brief Set the list of -W options to be passed through
+ virtual void setWPassThrough(const StringVector& WOpts) {
+ WOptions = WOpts;
+ }
+
+/// @}
+/// @name Functions
+/// @{
+private:
+ bool isSet(DriverFlags flag) {
+ return 0 != ((flag & DRIVER_FLAGS_MASK) & Flags);
+ }
+
+ void cleanup() {
+ if (!isSet(KEEP_TEMPS_FLAG)) {
+ const sys::FileStatus *Status = TempDir.getFileStatus();
+ if (Status && Status->isDir)
+ TempDir.eraseFromDisk(/*remove_contents=*/true);
+ } else {
+ std::cout << "Temporary files are in " << TempDir << "\n";
+ }
+ }
+
+ sys::Path MakeTempFile(const std::string& basename,
+ const std::string& suffix,
+ std::string* ErrMsg) {
+ if (TempDir.isEmpty()) {
+ TempDir = sys::Path::GetTemporaryDirectory(ErrMsg);
+ if (TempDir.isEmpty())
+ return sys::Path();
+ sys::RemoveDirectoryOnSignal(TempDir);
+ }
+ sys::Path result(TempDir);
+ if (!result.appendComponent(basename)) {
+ if (ErrMsg)
+ *ErrMsg = basename + ": can't use this file name";
+ return sys::Path();
+ }
+ if (!result.appendSuffix(suffix)) {
+ if (ErrMsg)
+ *ErrMsg = suffix + ": can't use this file suffix";
+ return sys::Path();
+ }
+ return result;
+ }
+
+ Action* GetAction(ConfigData* cd,
+ const sys::Path& input,
+ const sys::Path& output,
+ Phases phase)
+ {
+ Action* pat = 0; ///< The pattern/template for the action
+ Action* action = new Action; ///< The actual action to execute
+
+ // Get the action pattern
+ switch (phase) {
+ case PREPROCESSING: pat = &cd->PreProcessor; break;
+ case TRANSLATION: pat = &cd->Translator; break;
+ case OPTIMIZATION: pat = &cd->Optimizer; break;
+ case ASSEMBLY: pat = &cd->Assembler; break;
+ case LINKING: pat = &cd->Linker; break;
+ default:
+ assert(!"Invalid driver phase!");
+ break;
+ }
+ assert(pat != 0 && "Invalid command pattern");
+
+ // Copy over some pattern things that don't need to change
+ action->flags = pat->flags;
+
+ // See if program starts with wildcard...
+ std::string programName=pat->program.toString();
+ if (programName[0] == '%' && programName.length() >2) {
+ switch(programName[1]){
+ case 'b':
+ if (programName.substr(0,8) == "%bindir%") {
+ std::string tmp(LLVM_BINDIR);
+ tmp.append(programName.substr(8));
+ pat->program.set(tmp);
+ }
+ break;
+ case 'l':
+ if (programName.substr(0,12) == "%llvmgccdir%"){
+ std::string tmp(LLVMGCCDIR);
+ tmp.append(programName.substr(12));
+ pat->program.set(tmp);
+ }else if (programName.substr(0,13) == "%llvmgccarch%"){
+ std::string tmp(LLVMGCCARCH);
+ tmp.append(programName.substr(13));
+ pat->program.set(tmp);
+ }else if (programName.substr(0,9) == "%llvmgcc%"){
+ std::string tmp(LLVMGCC);
+ tmp.append(programName.substr(9));
+ pat->program.set(tmp);
+ }else if (programName.substr(0,9) == "%llvmgxx%"){
+ std::string tmp(LLVMGXX);
+ tmp.append(programName.substr(9));
+ pat->program.set(tmp);
+ }else if (programName.substr(0,9) == "%llvmcc1%"){
+ std::string tmp(LLVMCC1);
+ tmp.append(programName.substr(9));
+ pat->program.set(tmp);
+ }else if (programName.substr(0,13) == "%llvmcc1plus%"){
+ std::string tmp(LLVMCC1PLUS);
+ tmp.append(programName.substr(13));
+ pat->program.set(tmp);
+ }else if (programName.substr(0,8) == "%libdir%") {
+ std::string tmp(LLVM_LIBDIR);
+ tmp.append(programName.substr(8));
+ pat->program.set(tmp);
+ }
+ break;
+ }
+ }
+ action->program = pat->program;
+
+ // Do the substitutions from the pattern to the actual
+ StringVector::iterator PI = pat->args.begin();
+ StringVector::iterator PE = pat->args.end();
+ while (PI != PE) {
+ if ((*PI)[0] == '%' && PI->length() >2) {
+ bool found = true;
+ switch ((*PI)[1]) {
+ case 'a':
+ if (*PI == "%args%") {
+ if (AdditionalArgs.size() > unsigned(phase))
+ if (!AdditionalArgs[phase].empty()) {
+ // Get specific options for each kind of action type
+ StringVector& addargs = AdditionalArgs[phase];
+ // Add specific options for each kind of action type
+ action->args.insert(action->args.end(), addargs.begin(),
+ addargs.end());
+ }
+ } else
+ found = false;
+ break;
+ case 'b':
+ if (*PI == "%bindir%") {
+ std::string tmp(*PI);
+ tmp.replace(0,8,LLVM_BINDIR);
+ action->args.push_back(tmp);
+ } else
+ found = false;
+ break;
+ case 'd':
+ if (*PI == "%defs%") {
+ StringVector::iterator I = Defines.begin();
+ StringVector::iterator E = Defines.end();
+ while (I != E) {
+ action->args.push_back( std::string("-D") + *I);
+ ++I;
+ }
+ } else
+ found = false;
+ break;
+ case 'f':
+ if (*PI == "%fOpts%") {
+ if (!fOptions.empty())
+ action->args.insert(action->args.end(), fOptions.begin(),
+ fOptions.end());
+ } else
+ found = false;
+ break;
+ case 'i':
+ if (*PI == "%in%") {
+ action->args.push_back(input.toString());
+ } else if (*PI == "%incls%") {
+ PathVector::iterator I = IncludePaths.begin();
+ PathVector::iterator E = IncludePaths.end();
+ while (I != E) {
+ action->args.push_back( std::string("-I") + I->toString() );
+ ++I;
+ }
+ } else
+ found = false;
+ break;
+ case 'l':
+ if ((*PI)[1] == 'l') {
+ std::string tmp(*PI);
+ if (*PI == "%llvmgccdir%")
+ tmp.replace(0,12,LLVMGCCDIR);
+ else if (*PI == "%llvmgccarch%")
+ tmp.replace(0,13,LLVMGCCARCH);
+ else if (*PI == "%llvmgcc%")
+ tmp.replace(0,9,LLVMGCC);
+ else if (*PI == "%llvmgxx%")
+ tmp.replace(0,9,LLVMGXX);
+ else if (*PI == "%llvmcc1%")
+ tmp.replace(0,9,LLVMCC1);
+ else if (*PI == "%llvmcc1plus%")
+ tmp.replace(0,9,LLVMCC1);
+ else
+ found = false;
+ if (found)
+ action->args.push_back(tmp);
+ } else if (*PI == "%libs%") {
+ PathVector::iterator I = LibraryPaths.begin();
+ PathVector::iterator E = LibraryPaths.end();
+ while (I != E) {
+ action->args.push_back( std::string("-L") + I->toString() );
+ ++I;
+ }
+ } else if (*PI == "%libdir%") {
+ std::string tmp(*PI);
+ tmp.replace(0,8,LLVM_LIBDIR);
+ action->args.push_back(tmp);
+ } else
+ found = false;
+ break;
+ case 'o':
+ if (*PI == "%out%") {
+ action->args.push_back(output.toString());
+ } else if (*PI == "%opt%") {
+ if (!isSet(EMIT_RAW_FLAG)) {
+ if (cd->opts.size() > static_cast<unsigned>(optLevel) &&
+ !cd->opts[optLevel].empty())
+ action->args.insert(action->args.end(),
+ cd->opts[optLevel].begin(),
+ cd->opts[optLevel].end());
+ else
+ throw std::string("Optimization options for level ") +
+ utostr(unsigned(optLevel)) + " were not specified";
+ }
+ } else
+ found = false;
+ break;
+ case 's':
+ if (*PI == "%stats%") {
+ if (isSet(SHOW_STATS_FLAG))
+ action->args.push_back("-stats");
+ } else
+ found = false;
+ break;
+ case 't':
+ if (*PI == "%target%") {
+ action->args.push_back(std::string("-march=") + machine);
+ } else if (*PI == "%time%") {
+ if (isSet(TIME_PASSES_FLAG))
+ action->args.push_back("-time-passes");
+ } else
+ found = false;
+ break;
+ case 'v':
+ if (*PI == "%verbose%") {
+ if (isSet(VERBOSE_FLAG))
+ action->args.push_back("-v");
+ } else
+ found = false;
+ break;
+ case 'M':
+ if (*PI == "%Mopts%") {
+ if (!MOptions.empty())
+ action->args.insert(action->args.end(), MOptions.begin(),
+ MOptions.end());
+ } else
+ found = false;
+ break;
+ case 'W':
+ if (*PI == "%Wopts%") {
+ for (StringVector::iterator I = WOptions.begin(),
+ E = WOptions.end(); I != E ; ++I ) {
+ action->args.push_back(std::string("-W") + *I);
+ }
+ } else
+ found = false;
+ break;
+ default:
+ found = false;
+ break;
+ }
+ if (!found) {
+ // Did it even look like a substitution?
+ if (PI->length()>1 && (*PI)[0] == '%' &&
+ (*PI)[PI->length()-1] == '%') {
+ throw std::string("Invalid substitution token: '") + *PI +
+ "' for command '" + pat->program.toString() + "'";
+ } else if (!PI->empty()) {
+ // It's not a legal substitution, just pass it through
+ action->args.push_back(*PI);
+ }
+ }
+ } else if (!PI->empty()) {
+ // Its not a substitution, just put it in the action
+ action->args.push_back(*PI);
+ }
+ PI++;
+ }
+
+ // Finally, we're done
+ return action;
+ }
+
+ int DoAction(Action*action, std::string& ErrMsg) {
+ assert(action != 0 && "Invalid Action!");
+ if (isSet(VERBOSE_FLAG))
+ WriteAction(action);
+ if (!isSet(DRY_RUN_FLAG)) {
+ sys::Path progpath = sys::Program::FindProgramByName(
+ action->program.toString());
+ if (progpath.isEmpty())
+ throw std::string("Can't find program '" +
+ action->program.toString()+"'");
+ else if (progpath.canExecute())
+ action->program = progpath;
+ else
+ throw std::string("Program '"+action->program.toString()+
+ "' is not executable.");
+
+ // Invoke the program
+ const char** Args = (const char**)
+ alloca(sizeof(const char*)*(action->args.size()+2));
+ Args[0] = action->program.toString().c_str();
+ for (unsigned i = 1; i <= action->args.size(); ++i)
+ Args[i] = action->args[i-1].c_str();
+ Args[action->args.size()+1] = 0; // null terminate list.
+ if (isSet(TIME_ACTIONS_FLAG)) {
+ Timer timer(action->program.toString());
+ timer.startTimer();
+ int resultCode =
+ sys::Program::ExecuteAndWait(action->program, Args,0,0,0,0, &ErrMsg);
+ timer.stopTimer();
+ timer.print(timer,std::cerr);
+ return resultCode;
+ }
+ else
+ return
+ sys::Program::ExecuteAndWait(action->program, Args, 0,0,0,0, &ErrMsg);
+ }
+ return 0;
+ }
+
+ /// This method tries various variants of a linkage item's file
+ /// name to see if it can find an appropriate file to link with
+ /// in the directories of the LibraryPaths.
+ llvm::sys::Path GetPathForLinkageItem(const std::string& link_item,
+ bool native = false) {
+ sys::Path fullpath;
+ fullpath.set(link_item);
+ if (fullpath.canRead())
+ return fullpath;
+ for (PathVector::iterator PI = LibraryPaths.begin(),
+ PE = LibraryPaths.end(); PI != PE; ++PI) {
+ fullpath.set(PI->toString());
+ fullpath.appendComponent(link_item);
+ if (fullpath.canRead())
+ return fullpath;
+ if (native) {
+ fullpath.appendSuffix("a");
+ } else {
+ fullpath.appendSuffix("bc");
+ if (fullpath.canRead())
+ return fullpath;
+ fullpath.eraseSuffix();
+ fullpath.appendSuffix("o");
+ if (fullpath.canRead())
+ return fullpath;
+ fullpath = *PI;
+ fullpath.appendComponent(std::string("lib") + link_item);
+ fullpath.appendSuffix("a");
+ if (fullpath.canRead())
+ return fullpath;
+ fullpath.eraseSuffix();
+ fullpath.appendSuffix("so");
+ if (fullpath.canRead())
+ return fullpath;
+ }
+ }
+
+ // Didn't find one.
+ fullpath.clear();
+ return fullpath;
+ }
+
+ /// This method processes a linkage item. The item could be a
+ /// Bitcode file needing translation to native code and that is
+ /// dependent on other bitcode libraries, or a native code
+ /// library that should just be linked into the program.
+ bool ProcessLinkageItem(const llvm::sys::Path& link_item,
+ SetVector<sys::Path>& set,
+ std::string& err) {
+ // First, see if the unadorned file name is not readable. If so,
+ // we must track down the file in the lib search path.
+ sys::Path fullpath;
+ if (!link_item.canRead()) {
+ // look for the library using the -L arguments specified
+ // on the command line.
+ fullpath = GetPathForLinkageItem(link_item.toString());
+
+ // If we didn't find the file in any of the library search paths
+ // we have to bail. No where else to look.
+ if (fullpath.isEmpty()) {
+ err =
+ std::string("Can't find linkage item '") + link_item.toString() + "'";
+ return false;
+ }
+ } else {
+ fullpath = link_item;
+ }
+
+ // If we got here fullpath is the path to the file, and its readable.
+ set.insert(fullpath);
+
+ // If its an LLVM bitcode file ...
+ if (fullpath.isBitcodeFile()) {
+ // Process the dependent libraries recursively
+ Module::LibraryListType modlibs;
+ if (GetBitcodeDependentLibraries(fullpath.toString(),modlibs, &err)) {
+ // Traverse the dependent libraries list
+ Module::lib_iterator LI = modlibs.begin();
+ Module::lib_iterator LE = modlibs.end();
+ while ( LI != LE ) {
+ if (!ProcessLinkageItem(sys::Path(*LI),set,err)) {
+ if (err.empty()) {
+ err = std::string("Library '") + *LI +
+ "' is not valid for linking but is required by file '" +
+ fullpath.toString() + "'";
+ } else {
+ err += " which is required by file '" + fullpath.toString() + "'";
+ }
+ return false;
+ }
+ ++LI;
+ }
+ } else if (err.empty()) {
+ err = std::string(
+ "The dependent libraries could not be extracted from '") +
+ fullpath.toString();
+ return false;
+ } else
+ return false;
+ }
+ return true;
+ }
+
+/// @}
+/// @name Methods
+/// @{
+public:
+ virtual int execute(const InputList& InpList, const sys::Path& Output, std::string& ErrMsg ) {
+ try {
+ // Echo the configuration of options if we're running verbose
+ if (isSet(DEBUG_FLAG)) {
+ std::cerr << "Compiler Driver Options:\n";
+ std::cerr << "DryRun = " << isSet(DRY_RUN_FLAG) << "\n";
+ std::cerr << "Verbose = " << isSet(VERBOSE_FLAG) << " \n";
+ std::cerr << "TimeActions = " << isSet(TIME_ACTIONS_FLAG) << "\n";
+ std::cerr << "TimePasses = " << isSet(TIME_PASSES_FLAG) << "\n";
+ std::cerr << "ShowStats = " << isSet(SHOW_STATS_FLAG) << "\n";
+ std::cerr << "EmitRawCode = " << isSet(EMIT_RAW_FLAG) << "\n";
+ std::cerr << "EmitNativeCode = " << isSet(EMIT_NATIVE_FLAG) << "\n";
+ std::cerr << "KeepTemps = " << isSet(KEEP_TEMPS_FLAG) << "\n";
+ std::cerr << "OutputMachine = " << machine << "\n";
+ InputList::const_iterator I = InpList.begin();
+ while ( I != InpList.end() ) {
+ std::cerr << "Input: " << I->first << "(" << I->second
+ << ")\n";
+ ++I;
+ }
+ std::cerr << "Output: " << Output << "\n";
+ }
+
+ // If there's no input, we're done.
+ if (InpList.empty())
+ throw std::string("Nothing to compile.");
+
+ // If they are asking for linking and didn't provide an output
+ // file then its an error (no way for us to "make up" a meaningful
+ // file name based on the various linker input files).
+ if (finalPhase == LINKING && Output.isEmpty())
+ throw std::string(
+ "An output file name must be specified for linker output");
+
+ // If they are not asking for linking, provided an output file and
+ // there is more than one input file, its an error
+ if (finalPhase != LINKING && !Output.isEmpty() && InpList.size() > 1)
+ throw std::string("An output file name cannot be specified ") +
+ "with more than one input file name when not linking";
+
+ // This vector holds all the resulting actions of the following loop.
+ std::vector<Action*> actions;
+
+ /// PRE-PROCESSING / TRANSLATION / OPTIMIZATION / ASSEMBLY phases
+ // for each input item
+ SetVector<sys::Path> LinkageItems;
+ StringVector LibFiles;
+ InputList::const_iterator I = InpList.begin();
+ for (InputList::const_iterator I = InpList.begin(), E = InpList.end();
+ I != E; ++I ) {
+ // Get the suffix of the file name
+ const std::string& ftype = I->second;
+
+ // If its a library, bitcode file, or object file, save
+ // it for linking below and short circuit the
+ // pre-processing/translation/assembly phases
+ if (ftype.empty() || ftype == "o" || ftype == "bc" || ftype=="a") {
+ // We shouldn't get any of these types of files unless we're
+ // later going to link. Enforce this limit now.
+ if (finalPhase != LINKING) {
+ throw std::string(
+ "Pre-compiled objects found but linking not requested");
+ }
+ if (ftype.empty())
+ LibFiles.push_back(I->first.toString());
+ else
+ LinkageItems.insert(I->first);
+ continue; // short circuit remainder of loop
+ }
+
+ // At this point, we know its something we need to translate
+ // and/or optimize. See if we can get the configuration data
+ // for this kind of file.
+ ConfigData* cd = cdp->ProvideConfigData(I->second);
+ if (cd == 0)
+ throw std::string("Files of type '") + I->second +
+ "' are not recognized.";
+ if (isSet(DEBUG_FLAG))
+ DumpConfigData(cd,I->second);
+
+ // Add the config data's library paths to the end of the list
+ for (StringVector::iterator LPI = cd->libpaths.begin(),
+ LPE = cd->libpaths.end(); LPI != LPE; ++LPI){
+ LibraryPaths.push_back(sys::Path(*LPI));
+ }
+
+ // Initialize the input and output files
+ sys::Path InFile(I->first);
+ sys::Path OutFile(I->first.getBasename());
+
+ // PRE-PROCESSING PHASE
+ Action& action = cd->PreProcessor;
+
+ // Get the preprocessing action, if needed, or error if appropriate
+ if (!action.program.isEmpty()) {
+ if (action.isSet(REQUIRED_FLAG) || finalPhase == PREPROCESSING) {
+ if (finalPhase == PREPROCESSING) {
+ if (Output.isEmpty()) {
+ OutFile.appendSuffix("E");
+ actions.push_back(GetAction(cd,InFile,OutFile,PREPROCESSING));
+ } else {
+ actions.push_back(GetAction(cd,InFile,Output,PREPROCESSING));
+ }
+ } else {
+ sys::Path TempFile(
+ MakeTempFile(I->first.getBasename(),"E",&ErrMsg));
+ if (TempFile.isEmpty())
+ return 1;
+ actions.push_back(GetAction(cd,InFile,TempFile,
+ PREPROCESSING));
+ InFile = TempFile;
+ }
+ }
+ } else if (finalPhase == PREPROCESSING) {
+ throw cd->langName + " does not support pre-processing";
+ } else if (action.isSet(REQUIRED_FLAG)) {
+ throw std::string("Don't know how to pre-process ") +
+ cd->langName + " files";
+ }
+
+ // Short-circuit remaining actions if all they want is
+ // pre-processing
+ if (finalPhase == PREPROCESSING) { continue; };
+
+ /// TRANSLATION PHASE
+ action = cd->Translator;
+
+ // Get the translation action, if needed, or error if appropriate
+ if (!action.program.isEmpty()) {
+ if (action.isSet(REQUIRED_FLAG) || finalPhase == TRANSLATION) {
+ if (finalPhase == TRANSLATION) {
+ if (Output.isEmpty()) {
+ OutFile.appendSuffix("o");
+ actions.push_back(GetAction(cd,InFile,OutFile,TRANSLATION));
+ } else {
+ actions.push_back(GetAction(cd,InFile,Output,TRANSLATION));
+ }
+ } else {
+ sys::Path TempFile(
+ MakeTempFile(I->first.getBasename(),"trans", &ErrMsg));
+ if (TempFile.isEmpty())
+ return 1;
+ actions.push_back(GetAction(cd,InFile,TempFile,TRANSLATION));
+ InFile = TempFile;
+ }
+
+ // ll -> bc Helper
+ if (action.isSet(OUTPUT_IS_ASM_FLAG)) {
+ /// The output of the translator is an LLVM Assembly program
+ /// We need to translate it to bitcode
+ Action* action = new Action();
+ action->program.set("llvm-as");
+ action->args.push_back(InFile.toString());
+ action->args.push_back("-o");
+ InFile.appendSuffix("bc");
+ action->args.push_back(InFile.toString());
+ actions.push_back(action);
+ }
+ }
+ } else if (finalPhase == TRANSLATION) {
+ throw cd->langName + " does not support translation";
+ } else if (action.isSet(REQUIRED_FLAG)) {
+ throw std::string("Don't know how to translate ") +
+ cd->langName + " files";
+ }
+
+ // Short-circuit remaining actions if all they want is translation
+ if (finalPhase == TRANSLATION) { continue; }
+
+ /// OPTIMIZATION PHASE
+ action = cd->Optimizer;
+
+ // Get the optimization action, if needed, or error if appropriate
+ if (!isSet(EMIT_RAW_FLAG)) {
+ if (!action.program.isEmpty()) {
+ if (action.isSet(REQUIRED_FLAG) || finalPhase == OPTIMIZATION) {
+ if (finalPhase == OPTIMIZATION) {
+ if (Output.isEmpty()) {
+ OutFile.appendSuffix("o");
+ actions.push_back(GetAction(cd,InFile,OutFile,OPTIMIZATION));
+ } else {
+ actions.push_back(GetAction(cd,InFile,Output,OPTIMIZATION));
+ }
+ } else {
+ sys::Path TempFile(
+ MakeTempFile(I->first.getBasename(),"opt", &ErrMsg));
+ if (TempFile.isEmpty())
+ return 1;
+ actions.push_back(GetAction(cd,InFile,TempFile,OPTIMIZATION));
+ InFile = TempFile;
+ }
+ // ll -> bc Helper
+ if (action.isSet(OUTPUT_IS_ASM_FLAG)) {
+ /// The output of the optimizer is an LLVM Assembly program
+ /// We need to translate it to bitcode with llvm-as
+ Action* action = new Action();
+ action->program.set("llvm-as");
+ action->args.push_back(InFile.toString());
+ action->args.push_back("-f");
+ action->args.push_back("-o");
+ InFile.appendSuffix("bc");
+ action->args.push_back(InFile.toString());
+ actions.push_back(action);
+ }
+ }
+ } else if (finalPhase == OPTIMIZATION) {
+ throw cd->langName + " does not support optimization";
+ } else if (action.isSet(REQUIRED_FLAG)) {
+ throw std::string("Don't know how to optimize ") +
+ cd->langName + " files";
+ }
+ }
+
+ // Short-circuit remaining actions if all they want is optimization
+ if (finalPhase == OPTIMIZATION) { continue; }
+
+ /// ASSEMBLY PHASE
+ action = cd->Assembler;
+
+ if (finalPhase == ASSEMBLY) {
+
+ // Build either a native compilation action or a disassembly action
+ Action* action = new Action();
+ if (isSet(EMIT_NATIVE_FLAG)) {
+ // Use llc to get the native assembly file
+ action->program.set("llc");
+ action->args.push_back(InFile.toString());
+ action->args.push_back("-f");
+ action->args.push_back("-o");
+ if (Output.isEmpty()) {
+ OutFile.appendSuffix("o");
+ action->args.push_back(OutFile.toString());
+ } else {
+ action->args.push_back(Output.toString());
+ }
+ actions.push_back(action);
+ } else {
+ // Just convert back to llvm assembly with llvm-dis
+ action->program.set("llvm-dis");
+ action->args.push_back(InFile.toString());
+ action->args.push_back("-f");
+ action->args.push_back("-o");
+ if (Output.isEmpty()) {
+ OutFile.appendSuffix("ll");
+ action->args.push_back(OutFile.toString());
+ } else {
+ action->args.push_back(Output.toString());
+ }
+ }
+
+ // Put the action on the list
+ actions.push_back(action);
+
+ // Short circuit the rest of the loop, we don't want to link
+ continue;
+ }
+
+ // Register the result of the actions as a link candidate
+ LinkageItems.insert(InFile);
+
+ } // end while loop over each input file
+
+ /// RUN THE COMPILATION ACTIONS
+ std::vector<Action*>::iterator AI = actions.begin();
+ std::vector<Action*>::iterator AE = actions.end();
+ while (AI != AE) {
+ int ActionResult = DoAction(*AI, ErrMsg);
+ if (ActionResult != 0)
+ return ActionResult;
+ AI++;
+ }
+
+ /// LINKING PHASE
+ if (finalPhase == LINKING) {
+
+ // Insert the platform-specific system libraries to the path list
+ std::vector<sys::Path> SysLibs;
+ sys::Path::GetSystemLibraryPaths(SysLibs);
+ LibraryPaths.insert(LibraryPaths.end(), SysLibs.begin(), SysLibs.end());
+
+ // Set up the linking action with llvm-ld
+ Action* link = new Action();
+ link->program.set("llvm-ld");
+
+ // Add in the optimization level requested
+ switch (optLevel) {
+ case OPT_FAST_COMPILE:
+ link->args.push_back("-O1");
+ break;
+ case OPT_SIMPLE:
+ link->args.push_back("-O2");
+ break;
+ case OPT_AGGRESSIVE:
+ link->args.push_back("-O3");
+ break;
+ case OPT_LINK_TIME:
+ link->args.push_back("-O4");
+ break;
+ case OPT_AGGRESSIVE_LINK_TIME:
+ link->args.push_back("-O5");
+ break;
+ case OPT_NONE:
+ break;
+ }
+
+ // Add in all the linkage items we generated. This includes the
+ // output from the translation/optimization phases as well as any
+ // -l arguments specified.
+ for (PathVector::const_iterator I=LinkageItems.begin(),
+ E=LinkageItems.end(); I != E; ++I )
+ link->args.push_back(I->toString());
+
+ // Add in all the libraries we found.
+ for (StringVector::const_iterator I=LibFiles.begin(),
+ E=LibFiles.end(); I != E; ++I )
+ link->args.push_back(std::string("-l")+*I);
+
+ // Add in all the library paths to the command line
+ for (PathVector::const_iterator I=LibraryPaths.begin(),
+ E=LibraryPaths.end(); I != E; ++I)
+ link->args.push_back( std::string("-L") + I->toString());
+
+ // Add in the additional linker arguments requested
+ for (StringVector::const_iterator I=AdditionalArgs[LINKING].begin(),
+ E=AdditionalArgs[LINKING].end(); I != E; ++I)
+ link->args.push_back( *I );
+
+ // Add in other optional flags
+ if (isSet(EMIT_NATIVE_FLAG))
+ link->args.push_back("-native");
+ if (isSet(VERBOSE_FLAG))
+ link->args.push_back("-v");
+ if (isSet(TIME_PASSES_FLAG))
+ link->args.push_back("-time-passes");
+ if (isSet(SHOW_STATS_FLAG))
+ link->args.push_back("-stats");
+ if (isSet(STRIP_OUTPUT_FLAG))
+ link->args.push_back("-s");
+ if (isSet(DEBUG_FLAG)) {
+ link->args.push_back("-debug");
+ link->args.push_back("-debug-pass=Details");
+ }
+
+ // Add in mandatory flags
+ link->args.push_back("-o");
+ link->args.push_back(Output.toString());
+
+ // Execute the link
+ int ActionResult = DoAction(link, ErrMsg);
+ if (ActionResult != 0)
+ return ActionResult;
+ }
+ } catch (std::string& msg) {
+ cleanup();
+ throw;
+ } catch (...) {
+ cleanup();
+ throw std::string("Unspecified error");
+ }
+ cleanup();
+ return 0;
+ }
+
+/// @}
+/// @name Data
+/// @{
+private:
+ ConfigDataProvider* cdp; ///< Where we get configuration data from
+ Phases finalPhase; ///< The final phase of compilation
+ OptimizationLevels optLevel; ///< The optimization level to apply
+ unsigned Flags; ///< The driver flags
+ std::string machine; ///< Target machine name
+ PathVector LibraryPaths; ///< -L options
+ PathVector IncludePaths; ///< -I options
+ PathVector ToolPaths; ///< -B options
+ StringVector Defines; ///< -D options
+ sys::PathWithStatus TempDir; ///< Name of the temporary directory.
+ StringTable AdditionalArgs; ///< The -Txyz options
+ StringVector fOptions; ///< -f options
+ StringVector MOptions; ///< -M options
+ StringVector WOptions; ///< -W options
+
+/// @}
+};
+}
+
+CompilerDriver::~CompilerDriver() {
+}
+
+CompilerDriver::ConfigDataProvider::~ConfigDataProvider() {}
+
+CompilerDriver*
+CompilerDriver::Get(ConfigDataProvider& CDP) {
+ return new CompilerDriverImpl(CDP);
+}
+
+CompilerDriver::ConfigData::ConfigData()
+ : langName()
+ , PreProcessor()
+ , Translator()
+ , Optimizer()
+ , Assembler()
+ , Linker()
+{
+ StringVector emptyVec;
+ for (unsigned i = 0; i < NUM_PHASES; ++i)
+ opts.push_back(emptyVec);
+}
generated by cgit v1.1 at 2025-02-27 11:48:42 +0000