mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-24 19:52:54 +01:00
04fb9911c5
We have a few functions that virtually all command wants to run on process startup/shutdown. This patch adds InitLLVM class to do that all at once, so that we don't need to copy-n-paste boilerplate code to each llvm command's main() function. Differential Revision: https://reviews.llvm.org/D45602 llvm-svn: 330046
97 lines
2.8 KiB
C++
97 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/InitLLVM.h"
|
|
#include "llvm/Support/MemoryBuffer.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"));
|
|
|
|
LLVM_ATTRIBUTE_NORETURN static void error(Twine Message) {
|
|
errs() << Message << "\n";
|
|
exit(1);
|
|
}
|
|
|
|
static int convertYAML(yaml::Input &YIn, raw_ostream &Out) {
|
|
unsigned CurDocNum = 0;
|
|
do {
|
|
if (++CurDocNum == DocNum) {
|
|
yaml::YamlObjectFile Doc;
|
|
YIn >> Doc;
|
|
if (YIn.error())
|
|
error("yaml2obj: Failed to parse YAML file!");
|
|
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);
|
|
if (Doc.Wasm)
|
|
return yaml2wasm(*Doc.Wasm, Out);
|
|
error("yaml2obj: Unknown document type!");
|
|
}
|
|
} while (YIn.nextDocument());
|
|
|
|
error("yaml2obj: Cannot find the " + Twine(DocNum) +
|
|
llvm::getOrdinalSuffix(DocNum) + " document");
|
|
}
|
|
|
|
int main(int argc, char **argv) {
|
|
InitLLVM X(argc, argv);
|
|
cl::ParseCommandLineOptions(argc, argv);
|
|
|
|
if (OutputFilename.empty())
|
|
OutputFilename = "-";
|
|
|
|
std::error_code EC;
|
|
std::unique_ptr<ToolOutputFile> Out(
|
|
new ToolOutputFile(OutputFilename, EC, sys::fs::F_None));
|
|
if (EC)
|
|
error("yaml2obj: Error opening '" + OutputFilename + "': " + EC.message());
|
|
|
|
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();
|
|
|
|
Out->os().flush();
|
|
return Res;
|
|
}
|