1 //===- lib/ReaderWriter/ELF/X86/X86DynamicLibraryWriter.h -----------------===//
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
9 #ifndef X86_X86_DYNAMIC_LIBRARY_WRITER_H
10 #define X86_X86_DYNAMIC_LIBRARY_WRITER_H
12 #include "DynamicLibraryWriter.h"
13 #include "X86LinkingContext.h"
19 class X86DynamicLibraryWriter : public DynamicLibraryWriter<ELFT> {
21 X86DynamicLibraryWriter(X86LinkingContext &context,
22 X86TargetLayout<ELFT> &layout);
25 // Add any runtime files and their atoms to the output
26 virtual bool createImplicitFiles(std::vector<std::unique_ptr<File>> &);
28 virtual void finalizeDefaultAtomValues() {
29 return DynamicLibraryWriter<ELFT>::finalizeDefaultAtomValues();
32 virtual void addDefaultAtoms() {
33 return DynamicLibraryWriter<ELFT>::addDefaultAtoms();
37 class GOTFile : public SimpleFile {
39 GOTFile(const ELFLinkingContext &eti) : SimpleFile("GOTFile") {}
40 llvm::BumpPtrAllocator _alloc;
43 std::unique_ptr<GOTFile> _gotFile;
44 X86LinkingContext &_context;
45 X86TargetLayout<ELFT> &_x86Layout;
49 X86DynamicLibraryWriter<ELFT>::X86DynamicLibraryWriter(
50 X86LinkingContext &context, X86TargetLayout<ELFT> &layout)
51 : DynamicLibraryWriter<ELFT>(context, layout),
52 _gotFile(new GOTFile(context)), _context(context), _x86Layout(layout) {}
55 bool X86DynamicLibraryWriter<ELFT>::createImplicitFiles(
56 std::vector<std::unique_ptr<File>> &result) {
57 DynamicLibraryWriter<ELFT>::createImplicitFiles(result);
58 _gotFile->addAtom(*new (_gotFile->_alloc) GLOBAL_OFFSET_TABLEAtom(*_gotFile));
59 _gotFile->addAtom(*new (_gotFile->_alloc) DYNAMICAtom(*_gotFile));
60 result.push_back(std::move(_gotFile));