yaml2obj.cpp revision 6ed30e0f0c3876df8b77c44fd3196b40903fb47d
1a915f247f72570a994d55cd0d2961cd2d7bbd0e1Michael J. Spencer//===- yaml2obj - Convert YAML to a binary object file --------------------===// 2a915f247f72570a994d55cd0d2961cd2d7bbd0e1Michael J. Spencer// 3a915f247f72570a994d55cd0d2961cd2d7bbd0e1Michael J. Spencer// The LLVM Compiler Infrastructure 4a915f247f72570a994d55cd0d2961cd2d7bbd0e1Michael J. Spencer// 5a915f247f72570a994d55cd0d2961cd2d7bbd0e1Michael J. Spencer// This file is distributed under the University of Illinois Open Source 6a915f247f72570a994d55cd0d2961cd2d7bbd0e1Michael J. Spencer// License. See LICENSE.TXT for details. 7a915f247f72570a994d55cd0d2961cd2d7bbd0e1Michael J. Spencer// 8a915f247f72570a994d55cd0d2961cd2d7bbd0e1Michael J. Spencer//===----------------------------------------------------------------------===// 9a915f247f72570a994d55cd0d2961cd2d7bbd0e1Michael J. Spencer// 10a915f247f72570a994d55cd0d2961cd2d7bbd0e1Michael J. Spencer// This program takes a YAML description of an object file and outputs the 11a915f247f72570a994d55cd0d2961cd2d7bbd0e1Michael J. Spencer// binary equivalent. 12a915f247f72570a994d55cd0d2961cd2d7bbd0e1Michael J. Spencer// 13a915f247f72570a994d55cd0d2961cd2d7bbd0e1Michael J. Spencer// This is used for writing tests that require binary files. 14a915f247f72570a994d55cd0d2961cd2d7bbd0e1Michael J. Spencer// 15a915f247f72570a994d55cd0d2961cd2d7bbd0e1Michael J. Spencer//===----------------------------------------------------------------------===// 16a915f247f72570a994d55cd0d2961cd2d7bbd0e1Michael J. Spencer 176ed30e0f0c3876df8b77c44fd3196b40903fb47dSean Silva#include "yaml2obj.h" 186ed30e0f0c3876df8b77c44fd3196b40903fb47dSean Silva#include "llvm/ADT/OwningPtr.h" 19a915f247f72570a994d55cd0d2961cd2d7bbd0e1Michael J. Spencer#include "llvm/Support/CommandLine.h" 20a915f247f72570a994d55cd0d2961cd2d7bbd0e1Michael J. Spencer#include "llvm/Support/ManagedStatic.h" 21a915f247f72570a994d55cd0d2961cd2d7bbd0e1Michael J. Spencer#include "llvm/Support/MemoryBuffer.h" 22a915f247f72570a994d55cd0d2961cd2d7bbd0e1Michael J. Spencer#include "llvm/Support/PrettyStackTrace.h" 23a915f247f72570a994d55cd0d2961cd2d7bbd0e1Michael J. Spencer#include "llvm/Support/Signals.h" 244ffd89fa4d2788611187d1a534d2ed46adf1702cChandler Carruth#include "llvm/Support/raw_ostream.h" 254ffd89fa4d2788611187d1a534d2ed46adf1702cChandler Carruth#include "llvm/Support/system_error.h" 26a915f247f72570a994d55cd0d2961cd2d7bbd0e1Michael J. Spencer 27a915f247f72570a994d55cd0d2961cd2d7bbd0e1Michael J. Spencerusing namespace llvm; 28a915f247f72570a994d55cd0d2961cd2d7bbd0e1Michael J. Spencer 29a915f247f72570a994d55cd0d2961cd2d7bbd0e1Michael J. Spencerstatic cl::opt<std::string> 30a915f247f72570a994d55cd0d2961cd2d7bbd0e1Michael J. Spencer Input(cl::Positional, cl::desc("<input>"), cl::init("-")); 31a915f247f72570a994d55cd0d2961cd2d7bbd0e1Michael J. Spencer 32db9dc53871af4e501bdb5dfcb604c90425cd3859Sean Silva// TODO: The "right" way to tell what kind of object file a given YAML file 33db9dc53871af4e501bdb5dfcb604c90425cd3859Sean Silva// corresponds to is to look at YAML "tags" (e.g. `!Foo`). Then, different 34db9dc53871af4e501bdb5dfcb604c90425cd3859Sean Silva// tags (`!ELF`, `!COFF`, etc.) would be used to discriminate between them. 35db9dc53871af4e501bdb5dfcb604c90425cd3859Sean Silva// Interpreting the tags is needed eventually for when writing test cases, 36db9dc53871af4e501bdb5dfcb604c90425cd3859Sean Silva// so that we can e.g. have `!Archive` contain a sequence of `!ELF`, and 37db9dc53871af4e501bdb5dfcb604c90425cd3859Sean Silva// just Do The Right Thing. However, interpreting these tags and acting on 38db9dc53871af4e501bdb5dfcb604c90425cd3859Sean Silva// them appropriately requires some work in the YAML parser and the YAMLIO 39db9dc53871af4e501bdb5dfcb604c90425cd3859Sean Silva// library. 40db9dc53871af4e501bdb5dfcb604c90425cd3859Sean Silvaenum YAMLObjectFormat { 41db9dc53871af4e501bdb5dfcb604c90425cd3859Sean Silva YOF_COFF 42db9dc53871af4e501bdb5dfcb604c90425cd3859Sean Silva}; 43db9dc53871af4e501bdb5dfcb604c90425cd3859Sean Silva 44db9dc53871af4e501bdb5dfcb604c90425cd3859Sean Silvacl::opt<YAMLObjectFormat> Format( 45db9dc53871af4e501bdb5dfcb604c90425cd3859Sean Silva "format", 46db9dc53871af4e501bdb5dfcb604c90425cd3859Sean Silva cl::desc("Interpret input as this type of object file"), 47db9dc53871af4e501bdb5dfcb604c90425cd3859Sean Silva cl::values( 48db9dc53871af4e501bdb5dfcb604c90425cd3859Sean Silva clEnumValN(YOF_COFF, "coff", "COFF object file format"), 49db9dc53871af4e501bdb5dfcb604c90425cd3859Sean Silva clEnumValEnd)); 50db9dc53871af4e501bdb5dfcb604c90425cd3859Sean Silva 51db9dc53871af4e501bdb5dfcb604c90425cd3859Sean Silva 52db9dc53871af4e501bdb5dfcb604c90425cd3859Sean Silvaint main(int argc, char **argv) { 53db9dc53871af4e501bdb5dfcb604c90425cd3859Sean Silva cl::ParseCommandLineOptions(argc, argv); 54db9dc53871af4e501bdb5dfcb604c90425cd3859Sean Silva sys::PrintStackTraceOnErrorSignal(); 55db9dc53871af4e501bdb5dfcb604c90425cd3859Sean Silva PrettyStackTraceProgram X(argc, argv); 56db9dc53871af4e501bdb5dfcb604c90425cd3859Sean Silva llvm_shutdown_obj Y; // Call llvm_shutdown() on exit. 57db9dc53871af4e501bdb5dfcb604c90425cd3859Sean Silva 58db9dc53871af4e501bdb5dfcb604c90425cd3859Sean Silva OwningPtr<MemoryBuffer> Buf; 59db9dc53871af4e501bdb5dfcb604c90425cd3859Sean Silva if (MemoryBuffer::getFileOrSTDIN(Input, Buf)) 60db9dc53871af4e501bdb5dfcb604c90425cd3859Sean Silva return 1; 61db9dc53871af4e501bdb5dfcb604c90425cd3859Sean Silva if (Format == YOF_COFF) { 62db9dc53871af4e501bdb5dfcb604c90425cd3859Sean Silva return yaml2coff(outs(), Buf.get()); 63db9dc53871af4e501bdb5dfcb604c90425cd3859Sean Silva } else { 64db9dc53871af4e501bdb5dfcb604c90425cd3859Sean Silva errs() << "Not yet implemented\n"; 65db9dc53871af4e501bdb5dfcb604c90425cd3859Sean Silva return 1; 66db9dc53871af4e501bdb5dfcb604c90425cd3859Sean Silva } 67a915f247f72570a994d55cd0d2961cd2d7bbd0e1Michael J. Spencer} 68