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_READOBJ_WIN64EHPRINTER_H
  11 #define LLVM_TOOLS_READOBJ_WIN64EHPRINTER_H
  12
  13 #include "StreamWriter.h"
  14 #include "llvm/Support/Win64EH.h"
  15
  16 #include <functional>
  17
  18 namespace llvm {
  19 namespace object {
  20 class COFFObjectFile;
  21 class SymbolRef;
  22 struct coff_section;
  23 }
  24
  25 namespace Win64EH {
  26 class Dumper {
  27   StreamWriter &SW;
  28   raw_ostream &OS;
  29
  30 public:
  31   typedef std::function<error_code(const object::coff_section *, uint64_t,
  32                                    object::SymbolRef &)> SymbolResolver;
  33
  34   struct Context {
  35     const object::COFFObjectFile &COFF;
  36     SymbolResolver ResolveSymbol;
  37
  38     Context(const object::COFFObjectFile &COFF, SymbolResolver Resolver)
  39       : COFF(COFF), ResolveSymbol(Resolver) {}
  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(StreamWriter &SW) : SW(SW), OS(SW.getOStream()) {}
  56
  57   void printData(const Context &Ctx);
  58 };
  59 }
  60 }
  61
  62 #endif