tools/llvm-readobj/llvm-readobj.h

   1 //===-- llvm-readobj.h ----------------------------------------------------===//
   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_LLVM_READOBJ_LLVM_READOBJ_H
  10 #define LLVM_TOOLS_LLVM_READOBJ_LLVM_READOBJ_H
  11
  12 #include "llvm/Support/CommandLine.h"
  13 #include "llvm/Support/Compiler.h"
  14 #include "llvm/Support/ErrorOr.h"
  15 #include "llvm/Support/Error.h"
  16 #include <string>
  17
  18 namespace llvm {
  19   namespace object {
  20     class RelocationRef;
  21   }
  22
  23   // Various helper functions.
  24   LLVM_ATTRIBUTE_NORETURN void reportError(Twine Msg);
  25   void error(std::error_code EC);
  26   void error(llvm::Error EC);
  27   template <typename T> T error(llvm::Expected<T> &&E) {
  28     error(E.takeError());
  29     return std::move(*E);
  30   }
  31
  32   template <class T> T unwrapOrError(ErrorOr<T> EO) {
  33     if (EO)
  34       return *EO;
  35     reportError(EO.getError().message());
  36   }
  37   template <class T> T unwrapOrError(Expected<T> EO) {
  38     if (EO)
  39       return *EO;
  40     std::string Buf;
  41     raw_string_ostream OS(Buf);
  42     logAllUnhandledErrors(EO.takeError(), OS);
  43     OS.flush();
  44     reportError(Buf);
  45   }
  46   bool relocAddressLess(object::RelocationRef A,
  47                         object::RelocationRef B);
  48 } // namespace llvm
  49
  50 namespace opts {
  51   extern llvm::cl::opt<bool> SectionRelocations;
  52   extern llvm::cl::opt<bool> SectionSymbols;
  53   extern llvm::cl::opt<bool> SectionData;
  54   extern llvm::cl::opt<bool> ExpandRelocs;
  55   extern llvm::cl::opt<bool> RawRelr;
  56   extern llvm::cl::opt<bool> CodeViewSubsectionBytes;
  57   extern llvm::cl::opt<bool> Demangle;
  58   enum OutputStyleTy { LLVM, GNU };
  59   extern llvm::cl::opt<OutputStyleTy> Output;
  60 } // namespace opts
  61
  62 #define LLVM_READOBJ_ENUM_ENT(ns, enum) \
  63   { #enum, ns::enum }
  64
  65 #define LLVM_READOBJ_ENUM_CLASS_ENT(enum_class, enum) \
  66   { #enum, std::underlying_type<enum_class>::type(enum_class::enum) }
  67
  68 #endif