blob: 86376295bec43212a1c619360e522e3cb306d1ed (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
|
//===- lib/ReaderWriter/ELF/X86/X86DynamicLibraryWriter.h -----------------===//
//
// The LLVM Linker
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef X86_X86_DYNAMIC_LIBRARY_WRITER_H
#define X86_X86_DYNAMIC_LIBRARY_WRITER_H
#include "DynamicLibraryWriter.h"
#include "X86LinkingContext.h"
namespace lld {
namespace elf {
template <class ELFT>
class X86DynamicLibraryWriter : public DynamicLibraryWriter<ELFT> {
public:
X86DynamicLibraryWriter(X86LinkingContext &context,
X86TargetLayout<ELFT> &layout);
protected:
// Add any runtime files and their atoms to the output
virtual bool createImplicitFiles(std::vector<std::unique_ptr<File>> &);
virtual void finalizeDefaultAtomValues() {
return DynamicLibraryWriter<ELFT>::finalizeDefaultAtomValues();
}
virtual void addDefaultAtoms() {
return DynamicLibraryWriter<ELFT>::addDefaultAtoms();
}
private:
class GOTFile : public SimpleFile {
public:
GOTFile(const ELFLinkingContext &eti) : SimpleFile("GOTFile") {}
llvm::BumpPtrAllocator _alloc;
};
std::unique_ptr<GOTFile> _gotFile;
X86LinkingContext &_context;
X86TargetLayout<ELFT> &_x86Layout;
};
template <class ELFT>
X86DynamicLibraryWriter<ELFT>::X86DynamicLibraryWriter(
X86LinkingContext &context, X86TargetLayout<ELFT> &layout)
: DynamicLibraryWriter<ELFT>(context, layout),
_gotFile(new GOTFile(context)), _context(context), _x86Layout(layout) {}
template <class ELFT>
bool X86DynamicLibraryWriter<ELFT>::createImplicitFiles(
std::vector<std::unique_ptr<File>> &result) {
DynamicLibraryWriter<ELFT>::createImplicitFiles(result);
_gotFile->addAtom(*new (_gotFile->_alloc) GLOBAL_OFFSET_TABLEAtom(*_gotFile));
_gotFile->addAtom(*new (_gotFile->_alloc) DYNAMICAtom(*_gotFile));
result.push_back(std::move(_gotFile));
return true;
}
} // namespace elf
} // namespace lld
#endif
|
