1//===------ utils/obj2yaml.cpp - obj2yaml conversion tool -------*- 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#include "obj2yaml.h"
11
12#include "llvm/ADT/OwningPtr.h"
13
14#include "llvm/Support/CommandLine.h"
15#include "llvm/Support/ManagedStatic.h"
16#include "llvm/Support/PrettyStackTrace.h"
17#include "llvm/Support/Signals.h"
18
19#include "llvm/Object/Archive.h"
20#include "llvm/Object/COFF.h"
21
22const char endl = '\n';
23
24namespace yaml {  // generic yaml-writing specific routines
25
26unsigned char printable(unsigned char Ch) {
27  return Ch >= ' ' && Ch <= '~' ? Ch : '.';
28}
29
30llvm::raw_ostream &writeHexStream(llvm::raw_ostream &Out,
31                                     const llvm::ArrayRef<uint8_t> arr) {
32  const char *hex = "0123456789ABCDEF";
33  Out << " !hex \"";
34
35  typedef llvm::ArrayRef<uint8_t>::const_iterator iter_t;
36  const iter_t end = arr.end();
37  for (iter_t iter = arr.begin(); iter != end; ++iter)
38    Out << hex[(*iter >> 4) & 0x0F] << hex[(*iter & 0x0F)];
39
40  Out << "\" # |";
41  for (iter_t iter = arr.begin(); iter != end; ++iter)
42    Out << printable(*iter);
43  Out << "|" << endl;
44
45  return Out;
46  }
47
48llvm::raw_ostream &writeHexNumber(llvm::raw_ostream &Out, unsigned long long N) {
49  if (N >= 10)
50    Out << "0x";
51  Out.write_hex(N);
52  return Out;
53}
54
55}
56
57
58using namespace llvm;
59enum ObjectFileType { coff };
60
61cl::opt<ObjectFileType> InputFormat(
62  cl::desc("Choose input format"),
63    cl::values(
64      clEnumVal(coff, "process COFF object files"),
65    clEnumValEnd));
66
67cl::opt<std::string> InputFilename(cl::Positional, cl::desc("<input file>"), cl::init("-"));
68
69int main(int argc, char * argv[]) {
70  cl::ParseCommandLineOptions(argc, argv);
71  sys::PrintStackTraceOnErrorSignal();
72  PrettyStackTraceProgram X(argc, argv);
73  llvm_shutdown_obj Y;  // Call llvm_shutdown() on exit.
74
75// Process the input file
76  OwningPtr<MemoryBuffer> buf;
77
78// TODO: If this is an archive, then burst it and dump each entry
79  if (error_code ec = MemoryBuffer::getFileOrSTDIN(InputFilename, buf))
80    llvm::errs() << "Error: '" << ec.message() << "' opening file '"
81              << InputFilename << "'" << endl;
82  else {
83    ec = coff2yaml(llvm::outs(), buf.take());
84    if (ec)
85      llvm::errs() << "Error: " << ec.message() << " dumping COFF file" << endl;
86  }
87
88  return 0;
89}
90