1 //===-- ObjDumper.h ---------------------------------------------*- 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_OBJDUMPER_H
10 #define LLVM_TOOLS_LLVM_READOBJ_OBJDUMPER_H
11 
12 #include <memory>
13 #include <system_error>
14 
15 #include "llvm/ADT/StringRef.h"
16 #include "llvm/Object/ObjectFile.h"
17 #include "llvm/Support/CommandLine.h"
18 
19 namespace llvm {
20 namespace object {
21 class COFFImportFile;
22 class ObjectFile;
23 }
24 namespace codeview {
25 class GlobalTypeTableBuilder;
26 class MergingTypeTableBuilder;
27 } // namespace codeview
28 
29 class ScopedPrinter;
30 
31 class ObjDumper {
32 public:
33   ObjDumper(ScopedPrinter &Writer);
34   virtual ~ObjDumper();
35 
36   virtual void printFileHeaders() = 0;
37   virtual void printSectionHeaders() = 0;
38   virtual void printRelocations() = 0;
printSymbols(bool PrintSymbols,bool PrintDynamicSymbols)39   virtual void printSymbols(bool PrintSymbols, bool PrintDynamicSymbols) {
40     if (PrintSymbols)
41       printSymbols();
42     if (PrintDynamicSymbols)
43       printDynamicSymbols();
44   }
printProgramHeaders(bool PrintProgramHeaders,cl::boolOrDefault PrintSectionMapping)45   virtual void printProgramHeaders(bool PrintProgramHeaders,
46                                    cl::boolOrDefault PrintSectionMapping) {
47     if (PrintProgramHeaders)
48       printProgramHeaders();
49     if (PrintSectionMapping == cl::BOU_TRUE)
50       printSectionMapping();
51   }
52 
53   virtual void printUnwindInfo() = 0;
54 
55   // Only implemented for ELF at this time.
printDependentLibs()56   virtual void printDependentLibs() {}
printDynamicRelocations()57   virtual void printDynamicRelocations() { }
printDynamicTable()58   virtual void printDynamicTable() { }
printNeededLibraries()59   virtual void printNeededLibraries() { }
printSectionAsHex(StringRef SectionName)60   virtual void printSectionAsHex(StringRef SectionName) {}
printHashTable()61   virtual void printHashTable() { }
printGnuHashTable(const object::ObjectFile * Obj)62   virtual void printGnuHashTable(const object::ObjectFile *Obj) {}
printHashSymbols()63   virtual void printHashSymbols() {}
printLoadName()64   virtual void printLoadName() {}
printVersionInfo()65   virtual void printVersionInfo() {}
printGroupSections()66   virtual void printGroupSections() {}
printHashHistograms()67   virtual void printHashHistograms() {}
printCGProfile()68   virtual void printCGProfile() {}
printAddrsig()69   virtual void printAddrsig() {}
printNotes()70   virtual void printNotes() {}
printELFLinkerOptions()71   virtual void printELFLinkerOptions() {}
printStackSizes()72   virtual void printStackSizes() {}
printArchSpecificInfo()73   virtual void printArchSpecificInfo() { }
74 
printCheriCapRelocs()75   virtual void printCheriCapRelocs() {}
printCheriCapTable()76   virtual void printCheriCapTable() {}
printCheriCapTableMapping()77   virtual void printCheriCapTableMapping() {}
78 
79   // Only implemented for PE/COFF.
printCOFFImports()80   virtual void printCOFFImports() { }
printCOFFExports()81   virtual void printCOFFExports() { }
printCOFFDirectives()82   virtual void printCOFFDirectives() { }
printCOFFBaseReloc()83   virtual void printCOFFBaseReloc() { }
printCOFFDebugDirectory()84   virtual void printCOFFDebugDirectory() { }
printCOFFResources()85   virtual void printCOFFResources() {}
printCOFFLoadConfig()86   virtual void printCOFFLoadConfig() { }
printCodeViewDebugInfo()87   virtual void printCodeViewDebugInfo() { }
88   virtual void
mergeCodeViewTypes(llvm::codeview::MergingTypeTableBuilder & CVIDs,llvm::codeview::MergingTypeTableBuilder & CVTypes,llvm::codeview::GlobalTypeTableBuilder & GlobalCVIDs,llvm::codeview::GlobalTypeTableBuilder & GlobalCVTypes,bool GHash)89   mergeCodeViewTypes(llvm::codeview::MergingTypeTableBuilder &CVIDs,
90                      llvm::codeview::MergingTypeTableBuilder &CVTypes,
91                      llvm::codeview::GlobalTypeTableBuilder &GlobalCVIDs,
92                      llvm::codeview::GlobalTypeTableBuilder &GlobalCVTypes,
93                      bool GHash) {}
94 
95   // Only implemented for MachO.
printMachODataInCode()96   virtual void printMachODataInCode() { }
printMachOVersionMin()97   virtual void printMachOVersionMin() { }
printMachODysymtab()98   virtual void printMachODysymtab() { }
printMachOSegment()99   virtual void printMachOSegment() { }
printMachOIndirectSymbols()100   virtual void printMachOIndirectSymbols() { }
printMachOLinkerOptions()101   virtual void printMachOLinkerOptions() { }
102 
103   virtual void printStackMap() const = 0;
104 
105   void printSectionsAsString(const object::ObjectFile *Obj,
106                              ArrayRef<std::string> Sections);
107   void printSectionsAsHex(const object::ObjectFile *Obj,
108                           ArrayRef<std::string> Sections);
109 
110 protected:
111   ScopedPrinter &W;
112 
113 private:
printSymbols()114   virtual void printSymbols() {}
printDynamicSymbols()115   virtual void printDynamicSymbols() {}
printProgramHeaders()116   virtual void printProgramHeaders() {}
printSectionMapping()117   virtual void printSectionMapping() {}
118 };
119 
120 std::error_code createCOFFDumper(const object::ObjectFile *Obj,
121                                  ScopedPrinter &Writer,
122                                  std::unique_ptr<ObjDumper> &Result);
123 
124 std::error_code createELFDumper(const object::ObjectFile *Obj,
125                                 ScopedPrinter &Writer,
126                                 std::unique_ptr<ObjDumper> &Result);
127 
128 std::error_code createMachODumper(const object::ObjectFile *Obj,
129                                   ScopedPrinter &Writer,
130                                   std::unique_ptr<ObjDumper> &Result);
131 
132 std::error_code createWasmDumper(const object::ObjectFile *Obj,
133                                  ScopedPrinter &Writer,
134                                  std::unique_ptr<ObjDumper> &Result);
135 
136 std::error_code createXCOFFDumper(const object::ObjectFile *Obj,
137                                   ScopedPrinter &Writer,
138                                   std::unique_ptr<ObjDumper> &Result);
139 
140 void dumpCOFFImportFile(const object::COFFImportFile *File,
141                         ScopedPrinter &Writer);
142 
143 void dumpCodeViewMergedTypes(ScopedPrinter &Writer,
144                              ArrayRef<ArrayRef<uint8_t>> IpiRecords,
145                              ArrayRef<ArrayRef<uint8_t>> TpiRecords);
146 
147 } // namespace llvm
148 
149 #endif
150