100 lines
2.8 KiB
C++
100 lines
2.8 KiB
C++
//===- yaml2obj - Convert YAML to a binary object file --------------------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This program takes a YAML description of an object file and outputs the
|
|
// binary equivalent.
|
|
//
|
|
// This is used for writing tests that require binary files.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "yaml2obj.h"
|
|
#include "llvm/ADT/StringExtras.h"
|
|
#include "llvm/ObjectYAML/ObjectYAML.h"
|
|
#include "llvm/Support/CommandLine.h"
|
|
#include "llvm/Support/FileSystem.h"
|
|
#include "llvm/Support/ManagedStatic.h"
|
|
#include "llvm/Support/MemoryBuffer.h"
|
|
#include "llvm/Support/PrettyStackTrace.h"
|
|
#include "llvm/Support/Signals.h"
|
|
#include "llvm/Support/ToolOutputFile.h"
|
|
#include "llvm/Support/YAMLTraits.h"
|
|
#include "llvm/Support/raw_ostream.h"
|
|
#include <system_error>
|
|
|
|
using namespace llvm;
|
|
|
|
static cl::opt<std::string>
|
|
Input(cl::Positional, cl::desc("<input>"), cl::init("-"));
|
|
|
|
cl::opt<unsigned>
|
|
DocNum("docnum", cl::init(1),
|
|
cl::desc("Read specified document from input (default = 1)"));
|
|
|
|
static cl::opt<std::string> OutputFilename("o", cl::desc("Output filename"),
|
|
cl::value_desc("filename"));
|
|
|
|
static int convertYAML(yaml::Input &YIn, raw_ostream &Out) {
|
|
unsigned CurDocNum = 0;
|
|
do {
|
|
if (++CurDocNum == DocNum) {
|
|
yaml::YamlObjectFile Doc;
|
|
YIn >> Doc;
|
|
if (YIn.error()) {
|
|
errs() << "yaml2obj: Failed to parse YAML file!\n";
|
|
return 1;
|
|
}
|
|
|
|
if (Doc.Elf)
|
|
return yaml2elf(*Doc.Elf, Out);
|
|
if (Doc.Coff)
|
|
return yaml2coff(*Doc.Coff, Out);
|
|
if (Doc.MachO || Doc.FatMachO)
|
|
return yaml2macho(Doc, Out);
|
|
errs() << "yaml2obj: Unknown document type!\n";
|
|
return 1;
|
|
}
|
|
} while (YIn.nextDocument());
|
|
|
|
errs() << "yaml2obj: Cannot find the " << DocNum
|
|
<< llvm::getOrdinalSuffix(DocNum) << " document\n";
|
|
return 1;
|
|
}
|
|
|
|
int main(int argc, char **argv) {
|
|
cl::ParseCommandLineOptions(argc, argv);
|
|
sys::PrintStackTraceOnErrorSignal(argv[0]);
|
|
PrettyStackTraceProgram X(argc, argv);
|
|
llvm_shutdown_obj Y; // Call llvm_shutdown() on exit.
|
|
|
|
if (OutputFilename.empty())
|
|
OutputFilename = "-";
|
|
|
|
std::error_code EC;
|
|
std::unique_ptr<tool_output_file> Out(
|
|
new tool_output_file(OutputFilename, EC, sys::fs::F_None));
|
|
if (EC) {
|
|
errs() << EC.message() << '\n';
|
|
return 1;
|
|
}
|
|
|
|
ErrorOr<std::unique_ptr<MemoryBuffer>> Buf =
|
|
MemoryBuffer::getFileOrSTDIN(Input);
|
|
if (!Buf)
|
|
return 1;
|
|
|
|
yaml::Input YIn(Buf.get()->getBuffer());
|
|
|
|
int Res = convertYAML(YIn, Out->os());
|
|
if (Res == 0)
|
|
Out->keep();
|
|
|
|
return Res;
|
|
}
|