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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 | 101 |
1 files changed, 101 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..dffe3ad --- /dev/null +++ b/contrib/llvm/tools/llvm-ranlib/llvm-ranlib.cpp @@ -0,0 +1,101 @@ +//===-- 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/ManagedStatic.h" +#include "llvm/Support/PrettyStackTrace.h" +#include "llvm/Support/raw_ostream.h" +#include "llvm/System/Signals.h" +#include <iostream> +#include <iomanip> +#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) { + std::cout << "\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; + std::cout << " " << std::setw(9) << 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; + + // Make sure we don't exit with "unhandled exception". + try { + + // Check the path name of the archive + sys::Path ArchivePath; + if (!ArchivePath.set(ArchiveName)) + throw std::string("Archive name invalid: ") + ArchiveName; + + // Make sure it exists, we don't create empty archives + if (!ArchivePath.exists()) + throw std::string("Archive file does not exist"); + + std::string err_msg; + std::auto_ptr<Archive> + AutoArchive(Archive::OpenAndLoad(ArchivePath, Context, &err_msg)); + Archive* TheArchive = AutoArchive.get(); + if (!TheArchive) + throw err_msg; + + if (TheArchive->writeToDisk(true, false, false, &err_msg )) + throw err_msg; + + if (Verbose) + printSymbolTable(TheArchive); + + } catch (const char* msg) { + errs() << argv[0] << ": " << msg << "\n\n"; + exitCode = 1; + } catch (const std::string& msg) { + errs() << argv[0] << ": " << msg << "\n"; + exitCode = 2; + } catch (...) { + errs() << argv[0] << ": An unexpected unknown exception occurred.\n"; + exitCode = 3; + } + return exitCode; +} |