[llvm] r246571 - Remove OutputBuffer.
Rafael Espíndola via llvm-commits
llvm-commits at lists.llvm.org
Tue Sep 1 11:32:52 PDT 2015
Thanks!
On 1 September 2015 at 14:25, Benjamin Kramer via llvm-commits
<llvm-commits at lists.llvm.org> wrote:
> Author: d0k
> Date: Tue Sep 1 13:25:34 2015
> New Revision: 246571
>
> URL: http://llvm.org/viewvc/llvm-project?rev=246571&view=rev
> Log:
> Remove OutputBuffer.
>
> This was last used by the pre-MC object emitter and has been dead for
> quite a while. We have better ways to emit endian-dependent stuff now.
>
> Removed:
> llvm/trunk/include/llvm/Support/OutputBuffer.h
>
> Removed: llvm/trunk/include/llvm/Support/OutputBuffer.h
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Support/OutputBuffer.h?rev=246570&view=auto
> ==============================================================================
> --- llvm/trunk/include/llvm/Support/OutputBuffer.h (original)
> +++ llvm/trunk/include/llvm/Support/OutputBuffer.h (removed)
> @@ -1,166 +0,0 @@
> -//=== OutputBuffer.h - Output Buffer ----------------------------*- C++ -*-===//
> -//
> -// The LLVM Compiler Infrastructure
> -//
> -// This file is distributed under the University of Illinois Open Source
> -// License. See LICENSE.TXT for details.
> -//
> -//===----------------------------------------------------------------------===//
> -//
> -// Methods to output values to a data buffer.
> -//
> -//===----------------------------------------------------------------------===//
> -
> -#ifndef LLVM_SUPPORT_OUTPUTBUFFER_H
> -#define LLVM_SUPPORT_OUTPUTBUFFER_H
> -
> -#include <cassert>
> -#include <string>
> -#include <vector>
> -
> -namespace llvm {
> -
> - class OutputBuffer {
> - /// Output buffer.
> - std::vector<unsigned char> &Output;
> -
> - /// is64Bit/isLittleEndian - This information is inferred from the target
> - /// machine directly, indicating what header values and flags to set.
> - bool is64Bit, isLittleEndian;
> - public:
> - OutputBuffer(std::vector<unsigned char> &Out,
> - bool is64bit, bool le)
> - : Output(Out), is64Bit(is64bit), isLittleEndian(le) {}
> -
> - // align - Emit padding into the file until the current output position is
> - // aligned to the specified power of two boundary.
> - void align(unsigned Boundary) {
> - assert(Boundary && (Boundary & (Boundary - 1)) == 0 &&
> - "Must align to 2^k boundary");
> - size_t Size = Output.size();
> -
> - if (Size & (Boundary - 1)) {
> - // Add padding to get alignment to the correct place.
> - size_t Pad = Boundary - (Size & (Boundary - 1));
> - Output.resize(Size + Pad);
> - }
> - }
> -
> - //===------------------------------------------------------------------===//
> - // Out Functions - Output the specified value to the data buffer.
> -
> - void outbyte(unsigned char X) {
> - Output.push_back(X);
> - }
> - void outhalf(unsigned short X) {
> - if (isLittleEndian) {
> - Output.push_back(X & 255);
> - Output.push_back(X >> 8);
> - } else {
> - Output.push_back(X >> 8);
> - Output.push_back(X & 255);
> - }
> - }
> - void outword(unsigned X) {
> - if (isLittleEndian) {
> - Output.push_back((X >> 0) & 255);
> - Output.push_back((X >> 8) & 255);
> - Output.push_back((X >> 16) & 255);
> - Output.push_back((X >> 24) & 255);
> - } else {
> - Output.push_back((X >> 24) & 255);
> - Output.push_back((X >> 16) & 255);
> - Output.push_back((X >> 8) & 255);
> - Output.push_back((X >> 0) & 255);
> - }
> - }
> - void outxword(uint64_t X) {
> - if (isLittleEndian) {
> - Output.push_back(unsigned(X >> 0) & 255);
> - Output.push_back(unsigned(X >> 8) & 255);
> - Output.push_back(unsigned(X >> 16) & 255);
> - Output.push_back(unsigned(X >> 24) & 255);
> - Output.push_back(unsigned(X >> 32) & 255);
> - Output.push_back(unsigned(X >> 40) & 255);
> - Output.push_back(unsigned(X >> 48) & 255);
> - Output.push_back(unsigned(X >> 56) & 255);
> - } else {
> - Output.push_back(unsigned(X >> 56) & 255);
> - Output.push_back(unsigned(X >> 48) & 255);
> - Output.push_back(unsigned(X >> 40) & 255);
> - Output.push_back(unsigned(X >> 32) & 255);
> - Output.push_back(unsigned(X >> 24) & 255);
> - Output.push_back(unsigned(X >> 16) & 255);
> - Output.push_back(unsigned(X >> 8) & 255);
> - Output.push_back(unsigned(X >> 0) & 255);
> - }
> - }
> - void outaddr32(unsigned X) {
> - outword(X);
> - }
> - void outaddr64(uint64_t X) {
> - outxword(X);
> - }
> - void outaddr(uint64_t X) {
> - if (!is64Bit)
> - outword((unsigned)X);
> - else
> - outxword(X);
> - }
> - void outstring(const std::string &S, unsigned Length) {
> - unsigned len_to_copy = static_cast<unsigned>(S.length()) < Length
> - ? static_cast<unsigned>(S.length()) : Length;
> - unsigned len_to_fill = static_cast<unsigned>(S.length()) < Length
> - ? Length - static_cast<unsigned>(S.length()) : 0;
> -
> - for (unsigned i = 0; i < len_to_copy; ++i)
> - outbyte(S[i]);
> -
> - for (unsigned i = 0; i < len_to_fill; ++i)
> - outbyte(0);
> - }
> -
> - //===------------------------------------------------------------------===//
> - // Fix Functions - Replace an existing entry at an offset.
> -
> - void fixhalf(unsigned short X, unsigned Offset) {
> - unsigned char *P = &Output[Offset];
> - P[0] = (X >> (isLittleEndian ? 0 : 8)) & 255;
> - P[1] = (X >> (isLittleEndian ? 8 : 0)) & 255;
> - }
> - void fixword(unsigned X, unsigned Offset) {
> - unsigned char *P = &Output[Offset];
> - P[0] = (X >> (isLittleEndian ? 0 : 24)) & 255;
> - P[1] = (X >> (isLittleEndian ? 8 : 16)) & 255;
> - P[2] = (X >> (isLittleEndian ? 16 : 8)) & 255;
> - P[3] = (X >> (isLittleEndian ? 24 : 0)) & 255;
> - }
> - void fixxword(uint64_t X, unsigned Offset) {
> - unsigned char *P = &Output[Offset];
> - P[0] = (X >> (isLittleEndian ? 0 : 56)) & 255;
> - P[1] = (X >> (isLittleEndian ? 8 : 48)) & 255;
> - P[2] = (X >> (isLittleEndian ? 16 : 40)) & 255;
> - P[3] = (X >> (isLittleEndian ? 24 : 32)) & 255;
> - P[4] = (X >> (isLittleEndian ? 32 : 24)) & 255;
> - P[5] = (X >> (isLittleEndian ? 40 : 16)) & 255;
> - P[6] = (X >> (isLittleEndian ? 48 : 8)) & 255;
> - P[7] = (X >> (isLittleEndian ? 56 : 0)) & 255;
> - }
> - void fixaddr(uint64_t X, unsigned Offset) {
> - if (!is64Bit)
> - fixword((unsigned)X, Offset);
> - else
> - fixxword(X, Offset);
> - }
> -
> - unsigned char &operator[](unsigned Index) {
> - return Output[Index];
> - }
> - const unsigned char &operator[](unsigned Index) const {
> - return Output[Index];
> - }
> - };
> -
> -} // end llvm namespace
> -
> -#endif // LLVM_SUPPORT_OUTPUTBUFFER_H
>
>
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