llvm/tools/llvm-readobj/Win64EHDumper.h

   1 //===- Win64EHDumper.h - Win64 EH Printing ----------------------*- 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_LLVM_READOBJ_WIN64EHDUMPER_H
  10 #define LLVM_TOOLS_LLVM_READOBJ_WIN64EHDUMPER_H
  11
  12 #include "llvm/Support/ScopedPrinter.h"
  13 #include "llvm/Support/Win64EH.h"
  14
  15 namespace llvm {
  16 namespace object {
  17 class COFFObjectFile;
  18 class SymbolRef;
  19 struct coff_section;
  20 }
  21
  22 namespace Win64EH {
  23 class Dumper {
  24   ScopedPrinter &SW;
  25   raw_ostream &OS;
  26
  27 public:
  28   typedef std::error_code (*SymbolResolver)(const object::coff_section *,
  29                                             uint64_t, object::SymbolRef &,
  30                                             void *);
  31
  32   struct Context {
  33     const object::COFFObjectFile &COFF;
  34     SymbolResolver ResolveSymbol;
  35     void *UserData;
  36
  37     Context(const object::COFFObjectFile &COFF, SymbolResolver Resolver,
  38             void *UserData)
  39       : COFF(COFF), ResolveSymbol(Resolver), UserData(UserData) {}
  40   };
  41
  42 private:
  43   void printRuntimeFunctionEntry(const Context &Ctx,
  44                                  const object::coff_section *Section,
  45                                  uint64_t SectionOffset,
  46                                  const RuntimeFunction &RF);
  47   void printUnwindCode(const UnwindInfo& UI, ArrayRef<UnwindCode> UC);
  48   void printUnwindInfo(const Context &Ctx, const object::coff_section *Section,
  49                        off_t Offset, const UnwindInfo &UI);
  50   void printRuntimeFunction(const Context &Ctx,
  51                             const object::coff_section *Section,
  52                             uint64_t SectionOffset, const RuntimeFunction &RF);
  53
  54 public:
  55   Dumper(ScopedPrinter &SW) : SW(SW), OS(SW.getOStream()) {}
  56
  57   void printData(const Context &Ctx);
  58 };
  59 }
  60 }
  61
  62 #endif