LLVM 20.0.0git
ELFObjHandler.h
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1//===- ELFObjHandler.h ------------------------------------------*- C++ -*-===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===-----------------------------------------------------------------------===/
8/// \file
9/// This supports reading and writing of elf dynamic shared objects.
10///
11//===-----------------------------------------------------------------------===/
12
13#ifndef LLVM_INTERFACESTUB_ELFOBJHANDLER_H
14#define LLVM_INTERFACESTUB_ELFOBJHANDLER_H
15
16#include "llvm/ADT/StringRef.h"
17#include "llvm/Support/Error.h"
19#include <memory>
20
21namespace llvm {
22
23namespace ifs {
24struct IFSStub;
25
26/// Attempt to read a binary ELF file from a MemoryBuffer.
28
29/// Attempt to write a binary ELF stub.
30/// This function determines appropriate ELFType using the passed ELFTarget and
31/// then writes a binary ELF stub to a specified file path.
32///
33/// @param FilePath File path for writing the ELF binary.
34/// @param Stub Source ELFStub to generate a binary ELF stub from.
35/// @param WriteIfChanged Whether or not to preserve timestamp if
36/// the output stays the same.
37Error writeBinaryStub(StringRef FilePath, const IFSStub &Stub,
38 bool WriteIfChanged = false);
39
40} // end namespace ifs
41} // end namespace llvm
42
43#endif // LLVM_INTERFACESTUB_ELFOBJHANDLER_H
static cl::opt< bool > WriteIfChanged("write-if-changed", cl::desc("Only write output if it changed"))
Lightweight error class with error context and mandatory checking.
Definition: Error.h:160
Tagged union holding either a T or a Error.
Definition: Error.h:481
StringRef - Represent a constant reference to a string, i.e.
Definition: StringRef.h:50
Expected< std::unique_ptr< IFSStub > > readELFFile(MemoryBufferRef Buf)
Attempt to read a binary ELF file from a MemoryBuffer.
Error writeBinaryStub(StringRef FilePath, const IFSStub &Stub, bool WriteIfChanged=false)
Attempt to write a binary ELF stub.
This is an optimization pass for GlobalISel generic memory operations.
Definition: AddressRanges.h:18