mirror of
https://github.com/RPCSX/llvm.git
synced 2024-11-25 04:39:44 +00:00
5918b7a03d
Currently, only emitting the ELF header is supported (no sections or segments). The ELFYAML code organization is broadly similar to the COFFYAML code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183711 91177308-0d34-0410-b5e6-96231b3b80d8
72 lines
2.3 KiB
C++
72 lines
2.3 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/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;
|
|
}
|
|
}
|