forked from OSchip/llvm-project
92 lines
2.1 KiB
C++
92 lines
2.1 KiB
C++
//===- lib/Linker/Linker.cpp - Basic Linker functionality ----------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file contains basic Linker functionality that all usages will need.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/Linker.h"
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#include "llvm/Bitcode/ReaderWriter.h"
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#include "llvm/IR/Module.h"
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#include "llvm/Support/MemoryBuffer.h"
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#include "llvm/Support/Path.h"
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#include "llvm/Support/raw_ostream.h"
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#include "llvm/Support/system_error.h"
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using namespace llvm;
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Linker::Linker(StringRef progname, StringRef modname,
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LLVMContext& C, unsigned flags):
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Context(C),
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Composite(new Module(modname, C)),
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LibPaths(),
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Flags(flags),
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Error(),
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ProgramName(progname) { }
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Linker::Linker(StringRef progname, Module* aModule, unsigned flags) :
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Context(aModule->getContext()),
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Composite(aModule),
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LibPaths(),
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Flags(flags),
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Error(),
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ProgramName(progname) { }
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Linker::~Linker() {
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delete Composite;
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}
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bool
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Linker::error(StringRef message) {
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Error = message;
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if (!(Flags&QuietErrors))
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errs() << ProgramName << ": error: " << message << "\n";
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return true;
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}
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bool
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Linker::warning(StringRef message) {
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Error = message;
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if (!(Flags&QuietWarnings))
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errs() << ProgramName << ": warning: " << message << "\n";
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return false;
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}
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void
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Linker::verbose(StringRef message) {
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if (Flags&Verbose)
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errs() << " " << message << "\n";
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}
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void
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Linker::addPath(const sys::Path& path) {
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LibPaths.push_back(path);
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}
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void
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Linker::addPaths(const std::vector<std::string>& paths) {
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for (unsigned i = 0, e = paths.size(); i != e; ++i)
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LibPaths.push_back(sys::Path(paths[i]));
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}
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void
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Linker::addSystemPaths() {
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sys::Path::GetBitcodeLibraryPaths(LibPaths);
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LibPaths.insert(LibPaths.begin(),sys::Path("./"));
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}
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Module*
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Linker::releaseModule() {
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Module* result = Composite;
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LibPaths.clear();
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Error.clear();
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Composite = 0;
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Flags = 0;
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return result;
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}
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