[PECOFF] Remove code which is no longer needed because of r197016.
llvm-svn: 197018
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b6d333fb09
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1e26c74878
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@ -38,9 +38,6 @@ static void addDir32NBReloc(COFFBaseDefinedAtom *atom, const Atom *target,
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}
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namespace idata {
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class DLLNameAtom;
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class HintNameAtom;
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class ImportTableEntryAtom;
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IdataAtom::IdataAtom(Context &context, std::vector<uint8_t> data)
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: COFFLinkerInternalAtom(context.dummyFile,
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@ -49,16 +46,12 @@ IdataAtom::IdataAtom(Context &context, std::vector<uint8_t> data)
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}
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DLLNameAtom::DLLNameAtom(Context &context, StringRef name)
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: IdataAtom(context, stringRefToVector(name)) {
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context.dllNameAtoms.push_back(this);
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}
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: IdataAtom(context, stringRefToVector(name)) {}
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HintNameAtom::HintNameAtom(Context &context, uint16_t hint,
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StringRef importName)
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: IdataAtom(context, assembleRawContent(hint, importName)),
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_importName(importName) {
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context.hintNameAtoms.push_back(this);
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}
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_importName(importName) {}
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std::vector<uint8_t> HintNameAtom::assembleRawContent(uint16_t hint,
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StringRef importName) {
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@ -115,7 +108,8 @@ std::vector<ImportTableEntryAtom *> ImportDirectoryAtom::createImportTableAtoms(
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} else {
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// Import by name
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entry = new (_alloc) ImportTableEntryAtom(context, 0, sectionName);
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HintNameAtom *hintName = createHintNameAtom(context, atom);
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HintNameAtom *hintName =
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new (_alloc) HintNameAtom(context, atom->hint(), atom->importName());
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addDir32NBReloc(entry, hintName);
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}
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ret.push_back(entry);
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@ -127,11 +121,6 @@ std::vector<ImportTableEntryAtom *> ImportDirectoryAtom::createImportTableAtoms(
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return ret;
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}
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HintNameAtom *ImportDirectoryAtom::createHintNameAtom(
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Context &context, const COFFSharedLibraryAtom *atom) const {
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return new (_alloc) HintNameAtom(context, atom->hint(), atom->importName());
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}
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} // namespace idata
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void IdataPass::perform(std::unique_ptr<MutableFile> &file) {
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@ -144,14 +133,13 @@ void IdataPass::perform(std::unique_ptr<MutableFile> &file) {
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for (auto i : sharedAtoms) {
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StringRef loadName = i.first;
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std::vector<COFFSharedLibraryAtom *> &atoms = i.second;
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createImportDirectory(context, loadName, atoms);
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new (_alloc) idata::ImportDirectoryAtom(context, loadName, atoms);
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}
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// All atoms, including those of tyep NullImportDirectoryAtom, are added to
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// context.file in the IdataAtom's constructor.
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new (_alloc) idata::NullImportDirectoryAtom(context);
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connectAtoms(context);
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replaceSharedLibraryAtoms(context);
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}
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@ -169,25 +157,6 @@ IdataPass::groupByLoadName(MutableFile &file) {
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return ret;
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}
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void IdataPass::createImportDirectory(
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idata::Context &context, StringRef loadName,
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std::vector<COFFSharedLibraryAtom *> &dllAtoms) {
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new (_alloc) idata::ImportDirectoryAtom(context, loadName, dllAtoms);
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}
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template <typename T, typename U>
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void IdataPass::appendAtoms(std::vector<T *> &vec1,
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const std::vector<U *> &vec2) {
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vec1.insert(vec1.end(), vec2.begin(), vec2.end());
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}
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void IdataPass::connectAtoms(idata::Context &context) {
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std::vector<COFFBaseDefinedAtom *> atoms;
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appendAtoms(atoms, context.dllNameAtoms);
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appendAtoms(atoms, context.hintNameAtoms);
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coff::connectAtomsWithLayoutEdge(atoms);
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}
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/// Transforms a reference to a COFFSharedLibraryAtom to a real reference.
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void IdataPass::replaceSharedLibraryAtoms(idata::Context &context) {
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for (const DefinedAtom *atom : context.file.defined()) {
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@ -49,19 +49,8 @@ class ImportTableEntryAtom;
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// A state object of this pass.
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struct Context {
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Context(MutableFile &f, IdataPassFile &g) : file(f), dummyFile(g) {}
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MutableFile &file;
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IdataPassFile &dummyFile;
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// The object to accumulate idata atoms. Idata atoms need to be grouped by
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// type and be continuous in the output file. To force such layout, we
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// accumulate all atoms created in the pass in the following vectors, and add
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// layout edges when finishing the pass.
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std::vector<COFFBaseDefinedAtom *> importDirectories;
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std::vector<HintNameAtom *> hintNameAtoms;
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std::vector<DLLNameAtom *> dllNameAtoms;
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std::map<StringRef, COFFBaseDefinedAtom *> sharedToDefinedAtom;
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};
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/// The root class of all idata atoms.
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@ -126,7 +115,6 @@ public:
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const std::vector<COFFSharedLibraryAtom *> &sharedAtoms)
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: IdataAtom(context, std::vector<uint8_t>(20, 0)) {
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addRelocations(context, loadName, sharedAtoms);
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context.importDirectories.push_back(this);
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}
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virtual StringRef customSectionName() const { return ".idata.d"; }
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@ -138,8 +126,6 @@ private:
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std::vector<ImportTableEntryAtom *> createImportTableAtoms(
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Context &context, const std::vector<COFFSharedLibraryAtom *> &sharedAtoms,
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bool shouldAddReference, StringRef sectionName) const;
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HintNameAtom *createHintNameAtom(Context &context,
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const COFFSharedLibraryAtom *atom) const;
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mutable llvm::BumpPtrAllocator _alloc;
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};
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@ -148,9 +134,7 @@ private:
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class NullImportDirectoryAtom : public IdataAtom {
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public:
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explicit NullImportDirectoryAtom(Context &context)
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: IdataAtom(context, std::vector<uint8_t>(20, 0)) {
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context.importDirectories.push_back(this);
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}
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: IdataAtom(context, std::vector<uint8_t>(20, 0)) {}
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virtual StringRef customSectionName() const { return ".idata.d"; }
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};
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@ -182,13 +166,6 @@ private:
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std::map<StringRef, std::vector<COFFSharedLibraryAtom *> >
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groupByLoadName(MutableFile &file);
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void createImportDirectory(idata::Context &context, StringRef loadName,
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std::vector<COFFSharedLibraryAtom *> &dllAtoms);
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template <typename T, typename U>
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void appendAtoms(std::vector<T *> &vec1, const std::vector<U *> &vec2);
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void connectAtoms(idata::Context &context);
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void replaceSharedLibraryAtoms(idata::Context &context);
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// A dummy file with which all the atoms created in the pass will be
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