| //===- 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/OwningPtr.h" |
| #include "llvm/Support/CommandLine.h" |
| #include "llvm/Support/ManagedStatic.h" |
| #include "llvm/Support/MemoryBuffer.h" |
| #include "llvm/Support/PrettyStackTrace.h" |
| #include "llvm/Support/Signals.h" |
| #include "llvm/Support/raw_ostream.h" |
| #include "llvm/Support/system_error.h" |
| |
| using namespace llvm; |
| |
| static cl::opt<std::string> |
| Input(cl::Positional, cl::desc("<input>"), cl::init("-")); |
| |
| // TODO: The "right" way to tell what kind of object file a given YAML file |
| // corresponds to is to look at YAML "tags" (e.g. `!Foo`). Then, different |
| // tags (`!ELF`, `!COFF`, etc.) would be used to discriminate between them. |
| // Interpreting the tags is needed eventually for when writing test cases, |
| // so that we can e.g. have `!Archive` contain a sequence of `!ELF`, and |
| // just Do The Right Thing. However, interpreting these tags and acting on |
| // them appropriately requires some work in the YAML parser and the YAMLIO |
| // library. |
| enum YAMLObjectFormat { |
| YOF_COFF, |
| YOF_ELF |
| }; |
| |
| cl::opt<YAMLObjectFormat> Format( |
| "format", |
| cl::desc("Interpret input as this type of object file"), |
| cl::values( |
| clEnumValN(YOF_COFF, "coff", "COFF object file format"), |
| clEnumValN(YOF_ELF, "elf", "ELF object file format"), |
| clEnumValEnd)); |
| |
| |
| 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. |
| |
| OwningPtr<MemoryBuffer> Buf; |
| if (MemoryBuffer::getFileOrSTDIN(Input, Buf)) |
| return 1; |
| if (Format == YOF_COFF) { |
| return yaml2coff(outs(), Buf.get()); |
| } else if (Format == YOF_ELF) { |
| return yaml2elf(outs(), Buf.get()); |
| } else { |
| errs() << "Not yet implemented\n"; |
| return 1; |
| } |
| } |