diff options
Diffstat (limited to 'lib/Linker/Linker.cpp')
-rw-r--r-- | lib/Linker/Linker.cpp | 90 |
1 files changed, 0 insertions, 90 deletions
diff --git a/lib/Linker/Linker.cpp b/lib/Linker/Linker.cpp index a30363d0ff..c8ea8ff0a9 100644 --- a/lib/Linker/Linker.cpp +++ b/lib/Linker/Linker.cpp @@ -89,93 +89,3 @@ Linker::releaseModule() { Flags = 0; return result; } - -// LoadObject - Read in and parse the bitcode file named by FN and return the -// module it contains (wrapped in an auto_ptr), or auto_ptr<Module>() and set -// Error if an error occurs. -std::auto_ptr<Module> -Linker::LoadObject(const sys::Path &FN) { - std::string ParseErrorMessage; - Module *Result = 0; - - OwningPtr<MemoryBuffer> Buffer; - if (error_code ec = MemoryBuffer::getFileOrSTDIN(FN.c_str(), Buffer)) - ParseErrorMessage = "Error reading file '" + FN.str() + "'" + ": " - + ec.message(); - else - Result = ParseBitcodeFile(Buffer.get(), Context, &ParseErrorMessage); - - if (Result) - return std::auto_ptr<Module>(Result); - Error = "Bitcode file '" + FN.str() + "' could not be loaded"; - if (ParseErrorMessage.size()) - Error += ": " + ParseErrorMessage; - return std::auto_ptr<Module>(); -} - -// IsLibrary - Determine if "Name" is a library in "Directory". Return -// a non-empty sys::Path if its found, an empty one otherwise. -static inline sys::Path IsLibrary(StringRef Name, - const sys::Path &Directory) { - - sys::Path FullPath(Directory); - - // Try the libX.a form - FullPath.appendComponent(("lib" + Name).str()); - FullPath.appendSuffix("a"); - if (FullPath.isArchive()) - return FullPath; - - // Try the libX.bca form - FullPath.eraseSuffix(); - FullPath.appendSuffix("bca"); - if (FullPath.isArchive()) - return FullPath; - - // Try the libX.so (or .dylib) form - FullPath.eraseSuffix(); - FullPath.appendSuffix(sys::Path::GetDLLSuffix()); - if (FullPath.isDynamicLibrary()) // Native shared library? - return FullPath; - if (FullPath.isBitcodeFile()) // .so file containing bitcode? - return FullPath; - - // Try libX form, to make it possible to add dependency on the - // specific version of .so, like liblzma.so.1.0.0 - FullPath.eraseSuffix(); - if (FullPath.isDynamicLibrary()) // Native shared library? - return FullPath; - if (FullPath.isBitcodeFile()) // .so file containing bitcode? - return FullPath; - - // Not found .. fall through - - // Indicate that the library was not found in the directory. - FullPath.clear(); - return FullPath; -} - -/// FindLib - Try to convert Filename into the name of a file that we can open, -/// if it does not already name a file we can open, by first trying to open -/// Filename, then libFilename.[suffix] for each of a set of several common -/// library suffixes, in each of the directories in LibPaths. Returns an empty -/// Path if no matching file can be found. -/// -sys::Path -Linker::FindLib(StringRef Filename) { - // Determine if the pathname can be found as it stands. - sys::Path FilePath(Filename); - if (FilePath.canRead() && - (FilePath.isArchive() || FilePath.isDynamicLibrary())) - return FilePath; - - // Iterate over the directories in Paths to see if we can find the library - // there. - for (unsigned Index = 0; Index != LibPaths.size(); ++Index) { - sys::Path Directory(LibPaths[Index]); - sys::Path FullPath = IsLibrary(Filename, Directory); - if (!FullPath.isEmpty()) - return FullPath; - } - return sys::Path(); -} |