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 
ContextContext38     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:
Dumper(StreamWriter & SW)56   Dumper(StreamWriter &SW) : SW(SW), OS(SW.getOStream()) {}
57 
58   void printData(const Context &Ctx);
59 };
60 }
61 }
62 
63 #endif
64