1 //===------ utils/obj2yaml.cpp - obj2yaml conversion tool -------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
11 #include "llvm/Object/COFF.h"
12 #include "llvm/Object/COFFYAML.h"
13 #include "llvm/Support/ErrorHandling.h"
14 #include "llvm/Support/YAMLTraits.h"
21 const object::COFFObjectFile &Obj;
22 COFFYAML::Object YAMLObj;
23 void dumpHeader(const object::coff_file_header *Header);
24 void dumpSections(unsigned numSections);
25 void dumpSymbols(unsigned numSymbols);
28 COFFDumper(const object::COFFObjectFile &Obj);
29 COFFYAML::Object &getYAMLObj();
34 static void check(error_code ec) {
36 report_fatal_error(ec.message());
39 COFFDumper::COFFDumper(const object::COFFObjectFile &Obj) : Obj(Obj) {
40 const object::coff_file_header *Header;
41 check(Obj.getCOFFHeader(Header));
43 dumpSections(Header->NumberOfSections);
44 dumpSymbols(Header->NumberOfSymbols);
47 void COFFDumper::dumpHeader(const object::coff_file_header *Header) {
48 YAMLObj.Header.Machine = Header->Machine;
49 YAMLObj.Header.Characteristics = Header->Characteristics;
52 void COFFDumper::dumpSections(unsigned NumSections) {
53 std::vector<COFFYAML::Section> &Sections = YAMLObj.Sections;
54 for (object::section_iterator iter = Obj.section_begin();
55 iter != Obj.section_end(); ++iter) {
56 const object::coff_section *Sect = Obj.getCOFFSection(iter);
57 COFFYAML::Section Sec;
58 Sec.Name = Sect->Name; // FIXME: check the null termination!
59 uint32_t Characteristics = Sect->Characteristics;
60 Sec.Header.Characteristics = Characteristics;
61 Sec.Alignment = 1 << (((Characteristics >> 20) & 0xf) - 1);
63 ArrayRef<uint8_t> sectionData;
64 Obj.getSectionContents(Sect, sectionData);
65 Sec.SectionData = object::yaml::BinaryRef(sectionData);
67 std::vector<COFFYAML::Relocation> Relocations;
68 for (object::relocation_iterator rIter = iter->relocation_begin();
69 rIter != iter->relocation_end(); ++rIter) {
70 const object::coff_relocation *reloc = Obj.getCOFFRelocation(rIter);
71 COFFYAML::Relocation Rel;
72 object::symbol_iterator Sym = rIter->getSymbol();
73 Sym->getName(Rel.SymbolName);
74 Rel.VirtualAddress = reloc->VirtualAddress;
75 Rel.Type = reloc->Type;
76 Relocations.push_back(Rel);
78 Sec.Relocations = Relocations;
79 Sections.push_back(Sec);
83 void COFFDumper::dumpSymbols(unsigned NumSymbols) {
84 std::vector<COFFYAML::Symbol> &Symbols = YAMLObj.Symbols;
85 for (object::symbol_iterator iter = Obj.symbol_begin();
86 iter != Obj.symbol_end(); ++iter) {
87 const object::coff_symbol *Symbol = Obj.getCOFFSymbol(iter);
89 Obj.getSymbolName(Symbol, Sym.Name);
90 Sym.SimpleType = COFF::SymbolBaseType(Symbol->getBaseType());
91 Sym.ComplexType = COFF::SymbolComplexType(Symbol->getComplexType());
92 Sym.Header.StorageClass = Symbol->StorageClass;
93 Sym.Header.Value = Symbol->Value;
94 Sym.Header.SectionNumber = Symbol->SectionNumber;
95 Sym.Header.NumberOfAuxSymbols = Symbol->NumberOfAuxSymbols;
96 Sym.AuxiliaryData = object::yaml::BinaryRef(Obj.getSymbolAuxData(Symbol));
97 Symbols.push_back(Sym);
101 COFFYAML::Object &COFFDumper::getYAMLObj() {
105 error_code coff2yaml(raw_ostream &Out, MemoryBuffer *Buff) {
107 object::COFFObjectFile Obj(Buff, ec);
109 COFFDumper Dumper(Obj);
111 yaml::Output Yout(Out);
112 Yout << Dumper.getYAMLObj();
114 return object::object_error::success;