tools/llvm-readobj/Win64EHDumper.h

   1 //===- Win64EHDumper.h - Win64 EH Printing ----------------------*- C++ -*-===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is distributed under the University of Illinois Open Source
   6 // License. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9
  10 #ifndef LLVM_TOOLS_LLVM_READOBJ_WIN64EHDUMPER_H
  11 #define LLVM_TOOLS_LLVM_READOBJ_WIN64EHDUMPER_H
  12
  13 #include "StreamWriter.h"
  14 #include "llvm/Support/Win64EH.h"
  15
  16 namespace llvm {
  17 namespace object {
  18 class COFFObjectFile;
  19 class SymbolRef;
  20 struct coff_section;
  21 }
  22
  23 namespace Win64EH {
  24 class Dumper {
  25   StreamWriter &SW;
  26   raw_ostream &OS;
  27
  28 public:
  29   typedef std::error_code (*SymbolResolver)(const object::coff_section *,
  30                                             uint64_t, object::SymbolRef &,
  31                                             void *);
  32
  33   struct Context {
  34     const object::COFFObjectFile &COFF;
  35     SymbolResolver ResolveSymbol;
  36     void *UserData;
  37
  38     Context(const object::COFFObjectFile &COFF, SymbolResolver Resolver,
  39             void *UserData)
  40       : COFF(COFF), ResolveSymbol(Resolver), UserData(UserData) {}
  41   };
  42
  43 private:
  44   void printRuntimeFunctionEntry(const Context &Ctx,
  45                                  const object::coff_section *Section,
  46                                  uint64_t SectionOffset,
  47                                  const RuntimeFunction &RF);
  48   void printUnwindCode(const UnwindInfo& UI, ArrayRef<UnwindCode> UC);
  49   void printUnwindInfo(const Context &Ctx, const object::coff_section *Section,
  50                        off_t Offset, const UnwindInfo &UI);
  51   void printRuntimeFunction(const Context &Ctx,
  52                             const object::coff_section *Section,
  53                             uint64_t SectionOffset, const RuntimeFunction &RF);
  54
  55 public:
  56   Dumper(StreamWriter &SW) : SW(SW), OS(SW.getOStream()) {}
  57
  58   void printData(const Context &Ctx);
  59 };
  60 }
  61 }
  62
  63 #endif