//===--- llvmc.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 tool provides a single point of access to the LLVM compilation tools.
// It has many options. To discover the options supported please refer to the
// tools' manual page (docs/CommandGuide/html/llvmc.html) or run the tool with
// the --help option.
-//
-//===------------------------------------------------------------------------===
+//
+//===----------------------------------------------------------------------===//
#include "CompilerDriver.h"
-#include "ConfigData.h"
+#include "Configuration.h"
+#include "llvm/Pass.h"
+#include "llvm/Support/CommandLine.h"
+#include "llvm/Support/ManagedStatic.h"
#include "llvm/System/Signals.h"
-#include "Support/CommandLine.h"
#include <iostream>
-
using namespace llvm;
-namespace {
-//===------------------------------------------------------------------------===
+//===----------------------------------------------------------------------===//
//=== PHASE OPTIONS
-//===------------------------------------------------------------------------===
-static cl::opt<CompilerDriver::Phases> FinalPhase(
- cl::desc("Choose final phase of compilation:"),
+//===----------------------------------------------------------------------===//
+static cl::opt<CompilerDriver::Phases> FinalPhase(cl::Optional,
+ cl::desc("Choose final phase of compilation:"),
cl::init(CompilerDriver::LINKING),
cl::values(
clEnumValN(CompilerDriver::PREPROCESSING,"E",
)
);
-//===------------------------------------------------------------------------===
+//===----------------------------------------------------------------------===//
//=== OPTIMIZATION OPTIONS
-//===------------------------------------------------------------------------===
-static cl::opt<CompilerDriver::OptimizationLevels> OptLevel(
+//===----------------------------------------------------------------------===//
+static cl::opt<CompilerDriver::OptimizationLevels> OptLevel(cl::ZeroOrMore,
cl::desc("Choose level of optimization to apply:"),
cl::init(CompilerDriver::OPT_FAST_COMPILE),
cl::values(
clEnumValN(CompilerDriver::OPT_FAST_COMPILE,"O0",
- "An alias for the -O1 option."),
+ "An alias for the -O1 option"),
clEnumValN(CompilerDriver::OPT_FAST_COMPILE,"O1",
- "Optimize for compilation speed, not execution speed."),
+ "Optimize for compilation speed, not execution speed"),
clEnumValN(CompilerDriver::OPT_SIMPLE,"O2",
"Perform simple translation time optimizations"),
clEnumValN(CompilerDriver::OPT_AGGRESSIVE,"O3",
)
);
-//===------------------------------------------------------------------------===
+//===----------------------------------------------------------------------===//
//=== TOOL OPTIONS
-//===------------------------------------------------------------------------===
+//===----------------------------------------------------------------------===//
-static cl::opt<std::string> PPToolOpts("Tpp", cl::ZeroOrMore,
- cl::desc("Pass specific options to the pre-processor"),
+static cl::list<std::string> PreprocessorToolOpts("Tpre", cl::ZeroOrMore,
+ cl::desc("Pass specific options to the pre-processor"),
+ cl::value_desc("option"));
+
+static cl::alias PreprocessorToolOptsAlias("Wp,", cl::ZeroOrMore,
+ cl::desc("Alias for -Tpre"), cl::aliasopt(PreprocessorToolOpts));
+
+static cl::list<std::string> TranslatorToolOpts("Ttrn", cl::ZeroOrMore,
+ cl::desc("Pass specific options to the assembler"),
cl::value_desc("option"));
-static cl::opt<std::string> AsmToolOpts("Tasm", cl::ZeroOrMore,
+static cl::list<std::string> AssemblerToolOpts("Tasm", cl::ZeroOrMore,
cl::desc("Pass specific options to the assembler"),
cl::value_desc("option"));
-static cl::opt<std::string> OptToolOpts("Topt", cl::ZeroOrMore,
+static cl::alias AssemblerToolOptsAlias("Wa,", cl::ZeroOrMore,
+ cl::desc("Alias for -Tasm"), cl::aliasopt(AssemblerToolOpts));
+
+static cl::list<std::string> OptimizerToolOpts("Topt", cl::ZeroOrMore,
cl::desc("Pass specific options to the optimizer"),
cl::value_desc("option"));
-static cl::opt<std::string> LinkToolOpts("Tlink", cl::ZeroOrMore,
+static cl::list<std::string> LinkerToolOpts("Tlnk", cl::ZeroOrMore,
cl::desc("Pass specific options to the linker"),
cl::value_desc("option"));
-//===------------------------------------------------------------------------===
+static cl::alias LinkerToolOptsAlias("Wl,", cl::ZeroOrMore,
+ cl::desc("Alias for -Tlnk"), cl::aliasopt(LinkerToolOpts));
+
+static cl::list<std::string> fOpts("f", cl::ZeroOrMore, cl::Prefix,
+ cl::desc("Pass through -f options to compiler tools"),
+ cl::value_desc("option"));
+
+static cl::list<std::string> MOpts("M", cl::ZeroOrMore, cl::Prefix,
+ cl::desc("Pass through -M options to compiler tools"),
+ cl::value_desc("option"));
+
+static cl::list<std::string> WOpts("W", cl::ZeroOrMore, cl::Prefix,
+ cl::desc("Pass through -W options to compiler tools"),
+ cl::value_desc("option"));
+
+static cl::list<std::string> BOpt("B", cl::ZeroOrMore, cl::Prefix,
+ cl::desc("Specify path to find llvmc sub-tools"),
+ cl::value_desc("dir"));
+
+//===----------------------------------------------------------------------===//
//=== INPUT OPTIONS
-//===------------------------------------------------------------------------===
+//===----------------------------------------------------------------------===//
static cl::list<std::string> LibPaths("L", cl::Prefix,
- cl::desc("Specify a library search path"), cl::value_desc("directory"));
-
+ cl::desc("Specify a library search path"), cl::value_desc("dir"));
+
static cl::list<std::string> Libraries("l", cl::Prefix,
- cl::desc("Specify libraries to link to"), cl::value_desc("library prefix"));
+ cl::desc("Specify base name of libraries to link to"), cl::value_desc("lib"));
+
+static cl::list<std::string> Includes("I", cl::Prefix,
+ cl::desc("Specify location to search for included source"),
+ cl::value_desc("dir"));
+static cl::list<std::string> Defines("D", cl::Prefix,
+ cl::desc("Specify a pre-processor symbol to define"),
+ cl::value_desc("symbol"));
-//===------------------------------------------------------------------------===
+//===----------------------------------------------------------------------===//
//=== OUTPUT OPTIONS
-//===------------------------------------------------------------------------===
+//===----------------------------------------------------------------------===//
-static cl::opt<std::string> OutputFilename("o",
- cl::desc("Override output filename"), cl::value_desc("filename"));
+static cl::opt<std::string> OutputFilename("o",
+ cl::desc("Override output filename"), cl::value_desc("file"));
static cl::opt<std::string> OutputMachine("m", cl::Prefix,
cl::desc("Specify a target machine"), cl::value_desc("machine"));
-
+
static cl::opt<bool> Native("native", cl::init(false),
- cl::desc("Generative native object and executables instead of bytecode"));
+ cl::desc("Generative native code instead of bytecode"));
+
+static cl::opt<bool> DebugOutput("g", cl::init(false),
+ cl::desc("Generate objects that include debug symbols"));
+
+static cl::opt<bool> StripOutput("strip", cl::init(false),
+ cl::desc("Strip all symbols from linked output file"));
-//===------------------------------------------------------------------------===
+static cl::opt<std::string> PrintFileName("print-fname", cl::Optional,
+ cl::value_desc("file"),
+ cl::desc("Print the full path for the option's value"));
+
+//===----------------------------------------------------------------------===//
//=== INFORMATION OPTIONS
-//===------------------------------------------------------------------------===
+//===----------------------------------------------------------------------===//
static cl::opt<bool> DryRun("dry-run", cl::Optional, cl::init(false),
cl::desc("Do everything but perform the compilation actions"));
static cl::opt<bool> Verbose("verbose", cl::Optional, cl::init(false),
cl::desc("Print out each action taken"));
-static cl::alias VerboseAlias("v", cl::Optional,
+static cl::alias VerboseAlias("v", cl::Optional,
cl::desc("Alias for -verbose"), cl::aliasopt(Verbose));
-static cl::opt<bool> Debug("debug", cl::Optional, cl::init(false),
+static cl::opt<bool> Debug("debug", cl::Optional, cl::init(false),
cl::Hidden, cl::desc("Print out debugging information"));
static cl::alias DebugAlias("d", cl::Optional,
static cl::opt<bool> TimeActions("time-actions", cl::Optional, cl::init(false),
cl::desc("Print execution time for each action taken"));
-//===------------------------------------------------------------------------===
+static cl::opt<bool> ShowStats("stats", cl::Optional, cl::init(false),
+ cl::desc("Print statistics accumulated during optimization"));
+
+//===----------------------------------------------------------------------===//
//=== ADVANCED OPTIONS
-//===------------------------------------------------------------------------===
+//===----------------------------------------------------------------------===//
static cl::opt<std::string> ConfigDir("config-dir", cl::Optional,
- cl::desc("Specify a configuration directory to override defaults"),
- cl::value_desc("directory"));
+ cl::desc("Specify configuration directory to override defaults"),
+ cl::value_desc("dir"));
-static cl::opt<bool> EmitRawCode("emit-raw-code", cl::Hidden,
+static cl::opt<bool> EmitRawCode("emit-raw-code", cl::Hidden, cl::Optional,
cl::desc("Emit raw, unoptimized code"));
-//===------------------------------------------------------------------------===
+static cl::opt<bool> PipeCommands("pipe", cl::Optional,
+ cl::desc("Invoke sub-commands by linking input/output with pipes"));
+
+static cl::opt<bool> KeepTemps("keep-temps", cl::Optional,
+ cl::desc("Don't delete temporary files created by llvmc"));
+
+//===----------------------------------------------------------------------===//
//=== POSITIONAL OPTIONS
-//===------------------------------------------------------------------------===
+//===----------------------------------------------------------------------===//
-static cl::list<std::string> Files(cl::Positional, cl::OneOrMore,
+static cl::list<std::string> Files(cl::Positional, cl::ZeroOrMore,
cl::desc("[Sources/objects/libraries]"));
static cl::list<std::string> Languages("x", cl::ZeroOrMore,
cl::desc("Specify the source language for subsequent files"),
cl::value_desc("language"));
-//===------------------------------------------------------------------------===
+//===----------------------------------------------------------------------===//
//=== GetFileType - determine type of a file
-//===------------------------------------------------------------------------===
-const std::string GetFileType(const std::string& fname, unsigned pos ) {
+//===----------------------------------------------------------------------===//
+static const std::string GetFileType(const std::string& fname, unsigned pos) {
static std::vector<std::string>::iterator langIt = Languages.begin();
static std::string CurrLang = "";
// If a -x LANG option has been specified ..
- if ( langIt != Languages.end() )
+ if (langIt != Languages.end())
// If the -x LANG option came before the current file on command line
- if ( Languages.getPosition( langIt - Languages.begin() ) < pos ) {
+ if (Languages.getPosition( langIt - Languages.begin() ) < pos) {
// use that language
CurrLang = *langIt++;
return CurrLang;
return CurrLang; // use that language
// otherwise just determine lang from the filename's suffix
- return fname.substr( fname.rfind('.',fname.size()) + 1 );
+ return fname.substr(fname.rfind('.', fname.size()) + 1);
}
-} // end anonymous namespace
-
+static void handleTerminatingOptions(CompilerDriver* CD) {
+ if (!PrintFileName.empty()) {
+ sys::Path path = CD->GetPathForLinkageItem(PrintFileName, false);
+ std::string p = path.toString();
+ if (p.empty())
+ std::cout << "Can't locate `" << PrintFileName << "'.\n";
+ else
+ std::cout << p << '\n';
+ exit(0);
+ }
+}
/// @brief The main program for llvmc
int main(int argc, char **argv) {
+ llvm_shutdown_obj X; // Call llvm_shutdown() on exit.
// Make sure we print stack trace if we get bad signals
- PrintStackTraceOnErrorSignal();
-
- // Parse the command line options
- cl::ParseCommandLineOptions(argc, argv,
- " LLVM Compilation Driver (llvmc)\n\n"
- " This program provides easy invocation of the LLVM tool set\n"
- " and source language compiler tools.\n"
- );
-
- // Deal with unimplemented options.
- if (Native)
- std::cerr << argv[0] << ": Not implemented yet: -native";
- if (EmitRawCode)
- std::cerr << argv[0] << ": Not implemented yet: -emit-raw-code";
-
- // Default the output file, only if we're going to try to link
- if (OutputFilename.empty() && OptLevel == CompilerDriver::LINKING)
- OutputFilename = "a.out";
-
- // Construct the ConfigDataProvider object
- LLVMC_ConfigDataProvider Provider;
-
- // Construct the CompilerDriver object
- CompilerDriver CD(Provider);
-
- // Configure the driver based on options
- CD.setVerbose(Verbose);
- CD.setDebug(Debug);
- CD.setDryRun(DryRun);
- CD.setFinalPhase(FinalPhase);
- CD.setOptimization(OptLevel);
- CD.setOutputMachine(OutputMachine);
- CD.setEmitNativeCode(Native);
- CD.setEmitRawCode(EmitRawCode);
- std::vector<std::string>::iterator pathIt = LibPaths.begin();
- while ( pathIt != LibPaths.end() ) {
- CD.addLibraryPath( *pathIt++ );
- }
-
- // Prepare the list of files to be compiled by the CompilerDriver.
- CompilerDriver::InputList InpList;
- std::vector<std::string>::iterator fileIt = Files.begin();
- std::vector<std::string>::iterator libIt = Libraries.begin();
- unsigned libPos = 0, filePos = 0;
- while ( 1 ) {
- if ( libIt != Libraries.end() )
- libPos = Libraries.getPosition( libIt - Libraries.begin() );
- else
- libPos = 0;
- if ( fileIt != Files.end() )
- filePos = Files.getPosition( fileIt - Files.begin() );
- else
- filePos = 0;
-
- if ( filePos != 0 && (libPos == 0 || filePos < libPos) ) {
- // Add a source file
- InpList.push_back( std::make_pair(*fileIt, GetFileType(*fileIt,filePos)));
- ++fileIt;
+ sys::PrintStackTraceOnErrorSignal();
+
+ try {
+
+ // Parse the command line options
+ cl::ParseCommandLineOptions(argc, argv,
+ " LLVM Compiler Driver (llvmc)\n\n"
+ " This program provides easy invocation of the LLVM tool set\n"
+ " and other compiler tools.\n"
+ );
+
+ // Deal with unimplemented options.
+ if (PipeCommands)
+ throw std::string("Not implemented yet: -pipe");
+
+ if (OutputFilename.empty())
+ if (OptLevel == CompilerDriver::LINKING)
+ OutputFilename = "a.out";
+
+ // Construct the ConfigDataProvider object
+ LLVMC_ConfigDataProvider Provider;
+ Provider.setConfigDir(sys::Path(ConfigDir));
+
+ // Construct the CompilerDriver object
+ CompilerDriver* CD = CompilerDriver::Get(Provider);
+
+ // If the LLVM_LIB_SEARCH_PATH environment variable is
+ // set, append it to the list of places to search for libraries
+ char *srchPath = getenv("LLVM_LIB_SEARCH_PATH");
+ if (srchPath != NULL && strlen(srchPath) != 0)
+ LibPaths.push_back(std::string(srchPath));
+
+ // Set the driver flags based on command line options
+ unsigned flags = 0;
+ if (Verbose) flags |= CompilerDriver::VERBOSE_FLAG;
+ if (Debug) flags |= CompilerDriver::DEBUG_FLAG;
+ if (DryRun) flags |= CompilerDriver::DRY_RUN_FLAG;
+ if (Native) flags |= CompilerDriver::EMIT_NATIVE_FLAG;
+ if (EmitRawCode) flags |= CompilerDriver::EMIT_RAW_FLAG;
+ if (KeepTemps) flags |= CompilerDriver::KEEP_TEMPS_FLAG;
+ if (ShowStats) flags |= CompilerDriver::SHOW_STATS_FLAG;
+ if (TimeActions) flags |= CompilerDriver::TIME_ACTIONS_FLAG;
+ if (StripOutput) flags |= CompilerDriver::STRIP_OUTPUT_FLAG;
+ CD->setDriverFlags(flags);
+
+ // Specify required parameters
+ CD->setFinalPhase(FinalPhase);
+ CD->setOptimization(OptLevel);
+ CD->setOutputMachine(OutputMachine);
+ CD->setIncludePaths(Includes);
+ CD->setSymbolDefines(Defines);
+ CD->setLibraryPaths(LibPaths);
+ CD->setfPassThrough(fOpts);
+ CD->setMPassThrough(MOpts);
+ CD->setWPassThrough(WOpts);
+
+ // Provide additional tool arguments
+ if (!PreprocessorToolOpts.empty())
+ CD->setPhaseArgs(CompilerDriver::PREPROCESSING, PreprocessorToolOpts);
+ if (!TranslatorToolOpts.empty())
+ CD->setPhaseArgs(CompilerDriver::TRANSLATION, TranslatorToolOpts);
+ if (!OptimizerToolOpts.empty())
+ CD->setPhaseArgs(CompilerDriver::OPTIMIZATION, OptimizerToolOpts);
+ if (!AssemblerToolOpts.empty())
+ CD->setPhaseArgs(CompilerDriver::ASSEMBLY,AssemblerToolOpts);
+ if (!LinkerToolOpts.empty())
+ CD->setPhaseArgs(CompilerDriver::LINKING, LinkerToolOpts);
+
+ // Check for options that cause us to terminate before any significant work
+ // is done.
+ handleTerminatingOptions(CD);
+
+ // Prepare the list of files to be compiled by the CompilerDriver.
+ CompilerDriver::InputList InpList;
+ std::vector<std::string>::iterator fileIt = Files.begin();
+ std::vector<std::string>::iterator libIt = Libraries.begin();
+ unsigned libPos = 0, filePos = 0;
+ while ( 1 ) {
+ if (libIt != Libraries.end())
+ libPos = Libraries.getPosition( libIt - Libraries.begin() );
+ else
+ libPos = 0;
+ if (fileIt != Files.end())
+ filePos = Files.getPosition(fileIt - Files.begin());
+ else
+ filePos = 0;
+
+ if (filePos != 0 && (libPos == 0 || filePos < libPos)) {
+ // Add a source file
+ InpList.push_back(std::make_pair(*fileIt,
+ GetFileType(*fileIt, filePos)));
+ ++fileIt;
+ } else if ( libPos != 0 && (filePos == 0 || libPos < filePos) ) {
+ // Add a library
+ InpList.push_back(std::make_pair(*libIt++, ""));
+ }
+ else
+ break; // we're done with the list
}
- else if ( libPos != 0 && (filePos == 0 || libPos < filePos) ) {
- // Add a library
- InpList.push_back( std::make_pair(*libIt++,""));
+
+ // Tell the driver to do its thing
+ std::string ErrMsg;
+ int result = CD->execute(InpList, sys::Path(OutputFilename), ErrMsg);
+ if (result != 0) {
+ std::cerr << argv[0] << ": " << ErrMsg << '\n';
+ return result;
}
- else
- break; // we're done with the list
- }
- // Tell the driver to do its thing
- int result = CD.execute(InpList,OutputFilename);
- if (result != 0) {
- std::cerr << argv[0] << ": Error executing actions. Terminated.\n";
- return result;
+ // All is good, return success
+ return 0;
+ } catch (const std::string& msg) {
+ std::cerr << argv[0] << ": " << msg << '\n';
+ } catch (...) {
+ std::cerr << argv[0] << ": Unexpected unknown exception occurred.\n";
}
-
- // All is good, return success
- return 0;
+ return 1;
}
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