llvm-project/llvm/tools/obj2yaml/obj2yaml.cpp

87 lines
2.4 KiB
C++

//===------ utils/obj2yaml.cpp - obj2yaml conversion tool -------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "obj2yaml.h"
#include "llvm/ADT/OwningPtr.h"
#include "llvm/Object/Archive.h"
#include "llvm/Object/COFF.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/ManagedStatic.h"
#include "llvm/Support/PrettyStackTrace.h"
#include "llvm/Support/Signals.h"
using namespace llvm;
namespace objyaml { // generic yaml-writing specific routines
unsigned char printable(unsigned char Ch) {
return Ch >= ' ' && Ch <= '~' ? Ch : '.';
}
raw_ostream &writeHexStream(raw_ostream &Out, const ArrayRef<uint8_t> arr) {
const char *hex = "0123456789ABCDEF";
Out << " !hex \"";
typedef ArrayRef<uint8_t>::const_iterator iter_t;
const iter_t end = arr.end();
for (iter_t iter = arr.begin(); iter != end; ++iter)
Out << hex[(*iter >> 4) & 0x0F] << hex[(*iter & 0x0F)];
Out << "\" # |";
for (iter_t iter = arr.begin(); iter != end; ++iter)
Out << printable(*iter);
Out << "|\n";
return Out;
}
raw_ostream &writeHexNumber(raw_ostream &Out, unsigned long long N) {
if (N >= 10)
Out << "0x";
Out.write_hex(N);
return Out;
}
} // end namespace yaml
namespace {
enum ObjectFileType {
coff
};
}
cl::opt<ObjectFileType> InputFormat(
cl::desc("Choose input format"),
cl::values(clEnumVal(coff, "process COFF object files"), clEnumValEnd));
cl::opt<std::string> InputFilename(cl::Positional, cl::desc("<input file>"),
cl::init("-"));
int main(int argc, char *argv[]) {
cl::ParseCommandLineOptions(argc, argv);
sys::PrintStackTraceOnErrorSignal();
PrettyStackTraceProgram X(argc, argv);
llvm_shutdown_obj Y; // Call llvm_shutdown() on exit.
// Process the input file
OwningPtr<MemoryBuffer> buf;
// TODO: If this is an archive, then burst it and dump each entry
if (error_code ec = MemoryBuffer::getFileOrSTDIN(InputFilename, buf)) {
errs() << "Error: '" << ec.message() << "' opening file '" << InputFilename
<< "'\n";
} else {
ec = coff2yaml(outs(), buf.take());
if (ec)
errs() << "Error: " << ec.message() << " dumping COFF file\n";
}
return 0;
}