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Diffstat (limited to 'contrib/llvm/tools/llvm-ranlib/llvm-ranlib.cpp')
-rw-r--r-- | contrib/llvm/tools/llvm-ranlib/llvm-ranlib.cpp | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/contrib/llvm/tools/llvm-ranlib/llvm-ranlib.cpp b/contrib/llvm/tools/llvm-ranlib/llvm-ranlib.cpp new file mode 100644 index 0000000..d2f5f0f --- /dev/null +++ b/contrib/llvm/tools/llvm-ranlib/llvm-ranlib.cpp @@ -0,0 +1,98 @@ +//===-- llvm-ranlib.cpp - LLVM archive index generator --------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// Adds or updates an index (symbol table) for an LLVM archive file. +// +//===----------------------------------------------------------------------===// + +#include "llvm/LLVMContext.h" +#include "llvm/Module.h" +#include "llvm/Bitcode/Archive.h" +#include "llvm/Support/CommandLine.h" +#include "llvm/Support/FileSystem.h" +#include "llvm/Support/ManagedStatic.h" +#include "llvm/Support/PrettyStackTrace.h" +#include "llvm/Support/Format.h" +#include "llvm/Support/raw_ostream.h" +#include "llvm/Support/Signals.h" +#include <memory> +using namespace llvm; + +// llvm-ar operation code and modifier flags +static cl::opt<std::string> +ArchiveName(cl::Positional, cl::Optional, cl::desc("<archive-file>")); + +static cl::opt<bool> +Verbose("verbose",cl::Optional,cl::init(false), + cl::desc("Print the symbol table")); + +// printSymbolTable - print out the archive's symbol table. +void printSymbolTable(Archive* TheArchive) { + outs() << "\nArchive Symbol Table:\n"; + const Archive::SymTabType& symtab = TheArchive->getSymbolTable(); + for (Archive::SymTabType::const_iterator I=symtab.begin(), E=symtab.end(); + I != E; ++I ) { + unsigned offset = TheArchive->getFirstFileOffset() + I->second; + outs() << " " << format("%9u", offset) << "\t" << I->first <<"\n"; + } +} + +int main(int argc, char **argv) { + // Print a stack trace if we signal out. + llvm::sys::PrintStackTraceOnErrorSignal(); + llvm::PrettyStackTraceProgram X(argc, argv); + + LLVMContext &Context = getGlobalContext(); + llvm_shutdown_obj Y; // Call llvm_shutdown() on exit. + + // Have the command line options parsed and handle things + // like --help and --version. + cl::ParseCommandLineOptions(argc, argv, + "LLVM Archive Index Generator (llvm-ranlib)\n\n" + " This program adds or updates an index of bitcode symbols\n" + " to an LLVM archive file." + ); + + int exitCode = 0; + + // Check the path name of the archive + sys::Path ArchivePath; + if (!ArchivePath.set(ArchiveName)) { + errs() << argv[0] << ": " << "Archive name invalid: " << ArchiveName << + "\n"; + return 1; + } + + // Make sure it exists, we don't create empty archives + bool Exists; + if (llvm::sys::fs::exists(ArchivePath.str(), Exists) || !Exists) { + errs() << argv[0] << ": " << "Archive file does not exist" << + ArchivePath.str() << "\n"; + return 1; + } + + std::string err_msg; + std::auto_ptr<Archive> + AutoArchive(Archive::OpenAndLoad(ArchivePath, Context, &err_msg)); + Archive* TheArchive = AutoArchive.get(); + if (!TheArchive) { + errs() << argv[0] << ": " << err_msg << "\n"; + return 1; + } + + if (TheArchive->writeToDisk(true, false, &err_msg )) { + errs() << argv[0] << ": " << err_msg << "\n"; + return 1; + } + + if (Verbose) + printSymbolTable(TheArchive); + + return exitCode; +} |