LLVM  16.0.0git
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 
21 namespace llvm {
22 
23 namespace ifs {
24 struct 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.
37 Error 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
llvm
This is an optimization pass for GlobalISel generic memory operations.
Definition: AddressRanges.h:18
WriteIfChanged
static cl::opt< bool > WriteIfChanged("write-if-changed", cl::desc("Only write output if it changed"))
StringRef.h
Error.h
MemoryBufferRef.h
llvm::Expected
Tagged union holding either a T or a Error.
Definition: APFloat.h:41
llvm::MemoryBufferRef
Definition: MemoryBufferRef.h:22
llvm::ifs::IFSStub
Definition: IFSStub.h:89
llvm::ifs::writeBinaryStub
Error writeBinaryStub(StringRef FilePath, const IFSStub &Stub, bool WriteIfChanged=false)
Attempt to write a binary ELF stub.
Definition: ELFObjHandler.cpp:711
llvm::StringRef
StringRef - Represent a constant reference to a string, i.e.
Definition: StringRef.h:50
llvm::Error
Lightweight error class with error context and mandatory checking.
Definition: Error.h:155
llvm::ifs::readELFFile
Expected< std::unique_ptr< IFSStub > > readELFFile(MemoryBufferRef Buf)
Attempt to read a binary ELF file from a MemoryBuffer.
Definition: ELFObjHandler.cpp:690