1//===- llvm-objcopy.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
9#ifndef LLVM_TOOLS_OBJCOPY_OBJCOPY_H
10#define LLVM_TOOLS_OBJCOPY_OBJCOPY_H
11
12#include "llvm/ADT/Twine.h"
13#include "llvm/Support/Compiler.h"
14#include "llvm/Support/Error.h"
15#include "llvm/Support/raw_ostream.h"
16#include <string>
17
18namespace llvm {
19namespace objcopy {
20
21LLVM_ATTRIBUTE_NORETURN extern void error(Twine Message);
22LLVM_ATTRIBUTE_NORETURN extern void error(Error E);
23LLVM_ATTRIBUTE_NORETURN extern void reportError(StringRef File, Error E);
24LLVM_ATTRIBUTE_NORETURN extern void reportError(StringRef File,
25                                                std::error_code EC);
26
27// This is taken from llvm-readobj.
28// [see here](llvm/tools/llvm-readobj/llvm-readobj.h:38)
29template <class T> T unwrapOrError(Expected<T> EO) {
30  if (EO)
31    return *EO;
32  std::string Buf;
33  raw_string_ostream OS(Buf);
34  logAllUnhandledErrors(EO.takeError(), OS);
35  OS.flush();
36  error(Buf);
37}
38
39} // end namespace objcopy
40} // end namespace llvm
41
42#endif // LLVM_TOOLS_OBJCOPY_OBJCOPY_H
43