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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246571 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/llvm/Support/OutputBuffer.h b/include/llvm/Support/OutputBuffer.h
deleted file mode 100644 (file)
index 6b98e99..0000000
--- a/include/llvm/Support/OutputBuffer.h
+++ /dev/null
@@ -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