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//===- lib/Core/LinkingContext.cpp - Linker Context Object Interface ------===//
//
// The LLVM Linker
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "lld/Core/LinkingContext.h"
#include "lld/Core/InputFiles.h"
#include "lld/ReaderWriter/Writer.h"
#include "lld/ReaderWriter/Simple.h"
#include "llvm/ADT/Triple.h"
namespace lld {
LinkingContext::LinkingContext()
: Reader(*this), _deadStrip(false), _globalsAreDeadStripRoots(false),
_searchArchivesToOverrideTentativeDefinitions(false),
_searchSharedLibrariesToOverrideTentativeDefinitions(false),
_warnIfCoalesableAtomsHaveDifferentCanBeNull(false),
_warnIfCoalesableAtomsHaveDifferentLoadName(false),
_printRemainingUndefines(true),
_allowRemainingUndefines(false), _logInputFiles(false),
_allowShlibUndefines(false) {}
LinkingContext::~LinkingContext() {}
bool LinkingContext::validate(raw_ostream &diagnostics) {
_yamlReader = createReaderYAML(*this);
return validateImpl(diagnostics);
}
error_code LinkingContext::writeFile(const File &linkedFile) const {
return this->writer().writeFile(linkedFile, _outputPath);
}
void LinkingContext::addImplicitFiles(InputFiles &inputs) const {
this->writer().addFiles(inputs);
}
std::unique_ptr<File> LinkingContext::createEntrySymbolFile() {
if (entrySymbolName().empty())
return nullptr;
std::unique_ptr<SimpleFile> entryFile(
new SimpleFile(*this, "command line option -entry"));
entryFile->addAtom(
*(new (_allocator) SimpleUndefinedAtom(*entryFile, entrySymbolName())));
return std::move(entryFile);
}
std::unique_ptr<File> LinkingContext::createUndefinedSymbolFile() {
if (_initialUndefinedSymbols.empty())
return nullptr;
std::unique_ptr<SimpleFile> undefinedSymFile(
new SimpleFile(*this, "command line option -u"));
for (auto undefSymStr : _initialUndefinedSymbols)
undefinedSymFile->addAtom(*(new (_allocator) SimpleUndefinedAtom(
*undefinedSymFile, undefSymStr)));
return std::move(undefinedSymFile);
}
std::vector<std::unique_ptr<File> > LinkingContext::createInternalFiles() {
std::vector<std::unique_ptr<File> > result;
std::unique_ptr<File> internalFile;
internalFile = createEntrySymbolFile();
if (internalFile)
result.push_back(std::move(internalFile));
internalFile = createUndefinedSymbolFile();
if (internalFile)
result.push_back(std::move(internalFile));
return result;
}
void LinkingContext::addPasses(PassManager &pm) const {}
} // end namespace lld
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