mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-11-01 15:11:24 +00:00
7413fefb8b
Now that we have a lib/MC/MCAnalysis, the dependency was there just because of two helper classes. Move the two over to MC. This will allow IRObjectFile to parse inline assembly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@212248 91177308-0d34-0410-b5e6-96231b3b80d8
66 lines
2.1 KiB
C++
66 lines
2.1 KiB
C++
//===- YAML.cpp - YAMLIO utilities for object files -----------------------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file defines utility classes for handling the YAML representation of
|
|
// object files.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "llvm/MC/YAML.h"
|
|
#include "llvm/ADT/StringExtras.h"
|
|
#include "llvm/Support/raw_ostream.h"
|
|
#include <cctype>
|
|
|
|
using namespace llvm;
|
|
|
|
void yaml::ScalarTraits<yaml::BinaryRef>::output(
|
|
const yaml::BinaryRef &Val, void *, llvm::raw_ostream &Out) {
|
|
Val.writeAsHex(Out);
|
|
}
|
|
|
|
StringRef yaml::ScalarTraits<yaml::BinaryRef>::input(StringRef Scalar, void *,
|
|
yaml::BinaryRef &Val) {
|
|
if (Scalar.size() % 2 != 0)
|
|
return "BinaryRef hex string must contain an even number of nybbles.";
|
|
// TODO: Can we improve YAMLIO to permit a more accurate diagnostic here?
|
|
// (e.g. a caret pointing to the offending character).
|
|
for (unsigned I = 0, N = Scalar.size(); I != N; ++I)
|
|
if (!isxdigit(Scalar[I]))
|
|
return "BinaryRef hex string must contain only hex digits.";
|
|
Val = yaml::BinaryRef(Scalar);
|
|
return StringRef();
|
|
}
|
|
|
|
void yaml::BinaryRef::writeAsBinary(raw_ostream &OS) const {
|
|
if (!DataIsHexString) {
|
|
OS.write((const char *)Data.data(), Data.size());
|
|
return;
|
|
}
|
|
for (unsigned I = 0, N = Data.size(); I != N; I += 2) {
|
|
uint8_t Byte;
|
|
StringRef((const char *)&Data[I], 2).getAsInteger(16, Byte);
|
|
OS.write(Byte);
|
|
}
|
|
}
|
|
|
|
void yaml::BinaryRef::writeAsHex(raw_ostream &OS) const {
|
|
if (binary_size() == 0)
|
|
return;
|
|
if (DataIsHexString) {
|
|
OS.write((const char *)Data.data(), Data.size());
|
|
return;
|
|
}
|
|
for (ArrayRef<uint8_t>::iterator I = Data.begin(), E = Data.end(); I != E;
|
|
++I) {
|
|
uint8_t Byte = *I;
|
|
OS << hexdigit(Byte >> 4);
|
|
OS << hexdigit(Byte & 0xf);
|
|
}
|
|
}
|