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Actually add the header file.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203305 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Christopher 2014-03-07 22:43:09 +00:00
parent 096eaf857e
commit a8c247ca54
1 changed files with 69 additions and 0 deletions
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69
lib/CodeGen/AsmPrinter/ByteStreamer.h Normal file
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//===-- llvm/CodeGen/ByteStreamer.h - ByteStreamer class --------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file contains a class that can take bytes that would normally be
// streamed via the AsmPrinter.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CODEGEN_BYTESTREAMER_H
#define LLVM_CODEGEN_BYTESTREAMER_H
#include "llvm/ADT/ArrayRef.h"
#include "llvm/CodeGen/AsmPrinter.h"
#include "llvm/MC/MCStreamer.h"
#include "DIEHash.h"
namespace llvm {
class ByteStreamer {
public:
// For now we're just handling the calls we need for dwarf emission/hashing.
virtual void EmitInt8(uint8_t Byte, const Twine &Comment = "") = 0;
virtual void EmitSLEB128(uint64_t DWord, const Twine &Comment = "") = 0;
virtual void EmitULEB128(uint64_t DWord, const Twine &Comment = "") = 0;
};
class APByteStreamer : public ByteStreamer {
private:
AsmPrinter ≈
public:
APByteStreamer(AsmPrinter &Asm) : AP(Asm) {}
void EmitInt8(uint8_t Byte, const Twine &Comment) {
AP.OutStreamer.AddComment(Comment);
AP.EmitInt8(Byte);
}
void EmitSLEB128(uint64_t DWord, const Twine &Comment) {
AP.OutStreamer.AddComment(Comment);
AP.EmitSLEB128(DWord);
}
void EmitULEB128(uint64_t DWord, const Twine &Comment) {
AP.OutStreamer.AddComment(Comment);
AP.EmitULEB128(DWord);
}
};
class HashingByteStreamer : public ByteStreamer {
private:
DIEHash &Hash;
public:
HashingByteStreamer(DIEHash &H) : Hash(H) {}
void EmitInt8(uint8_t Byte, const Twine &Comment) {
Hash.update(Byte);
}
void EmitSLEB128(uint64_t DWord, const Twine &Comment) {
Hash.addSLEB128(DWord);
}
void EmitULEB128(uint64_t DWord, const Twine &Comment) {
Hash.addULEB128(DWord);
}
};
}
#endif