ld/

[deliverable/binutils-gdb.git] / elfcpp / elfcpp_swap.h

diff --git a/elfcpp/elfcpp_swap.h b/elfcpp/elfcpp_swap.h
index 979108e9e07f8f10fcf7d101584b12a796a7b45e..329ed163831af55aef3767164b80ec74c51d9923 100644 (file)
--- a/elfcpp/elfcpp_swap.h
+++ b/elfcpp/elfcpp_swap.h
@@ -1,5 +1,34 @@
 // elfcpp_swap.h -- Handle swapping for elfcpp   -*- C++ -*-
 
+// Copyright 2006, 2007, Free Software Foundation, Inc.
+// Written by Ian Lance Taylor <iant@google.com>.
+
+// This file is part of elfcpp.
+   
+// This program is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Library General Public License
+// as published by the Free Software Foundation; either version 2, or
+// (at your option) any later version.
+
+// In addition to the permissions in the GNU Library General Public
+// License, the Free Software Foundation gives you unlimited
+// permission to link the compiled version of this file into
+// combinations with other programs, and to distribute those
+// combinations without any restriction coming from the use of this
+// file.  (The Library Public License restrictions do apply in other
+// respects; for example, they cover modification of the file, and
+/// distribution when not linked into a combined executable.)
+
+// This program is distributed in the hope that it will be useful, but
+// WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+// Library General Public License for more details.
+
+// You should have received a copy of the GNU Library General Public
+// License along with this program; if not, write to the Free Software
+// Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
+// 02110-1301, USA.
+
 // This header file defines basic template classes to efficiently swap
 // numbers between host form and target form.  When the host and
 // target have the same endianness, these turn into no-ops.
@@ -24,8 +53,8 @@ struct Endian
 };
 
 // Valtype_base is a template based on size (8, 16, 32, 64) which
-// defines the type Valtype as the unsigned integer of the specified
-// size.
+// defines the type Valtype as the unsigned integer, and
+// Signed_valtype as the signed integer, of the specified size.
 
 template<int size>
 struct Valtype_base;
@@ -33,25 +62,29 @@ struct Valtype_base;
 template<>
 struct Valtype_base<8>
 {
-  typedef unsigned char Valtype;
+  typedef uint8_t Valtype;
+  typedef int8_t Signed_valtype;
 };
 
 template<>
 struct Valtype_base<16>
 {
   typedef uint16_t Valtype;
+  typedef int16_t Signed_valtype;
 };
 
 template<>
 struct Valtype_base<32>
 {
   typedef uint32_t Valtype;
+  typedef int32_t Signed_valtype;
 };
 
 template<>
 struct Valtype_base<64>
 {
   typedef uint64_t Valtype;
+  typedef int64_t Signed_valtype;
 };
 
 // Convert_endian is a template based on size and on whether the host
@@ -180,9 +213,9 @@ struct Swap<8, big_endian>
 
 // Swap_unaligned is a template based on size and on whether the
 // target is big endian.  It defines the type Valtype and the
-// functions readval_unaligned and writeval_unaligned.  The functions
-// read and write values of the appropriate size out of buffers which
-// may be misaligned.
+// functions readval and writeval.  The functions read and write
+// values of the appropriate size out of buffers which may be
+// misaligned.
 
 template<int size, bool big_endian>
 struct Swap_unaligned;
@@ -193,11 +226,11 @@ struct Swap_unaligned<8, big_endian>
   typedef typename Valtype_base<8>::Valtype Valtype;
 
   static inline Valtype
-  readval_unaligned(const unsigned char* wv)
+  readval(const unsigned char* wv)
   { return *wv; }
 
   static inline void
-  writeval_unaligned(unsigned char* wv, Valtype v)
+  writeval(unsigned char* wv, Valtype v)
   { *wv = v; }
 };
 
@@ -207,13 +240,13 @@ struct Swap_unaligned<16, false>
   typedef Valtype_base<16>::Valtype Valtype;
 
   static inline Valtype
-  readval_unaligned(const unsigned char* wv)
+  readval(const unsigned char* wv)
   {
     return (wv[1] << 8) | wv[0];
   }
 
   static inline void
-  writeval_unaligned(unsigned char* wv, Valtype v)
+  writeval(unsigned char* wv, Valtype v)
   {
     wv[1] = v >> 8;
     wv[0] = v;
@@ -226,13 +259,13 @@ struct Swap_unaligned<16, true>
   typedef Valtype_base<16>::Valtype Valtype;
 
   static inline Valtype
-  readval_unaligned(const unsigned char* wv)
+  readval(const unsigned char* wv)
   {
     return (wv[0] << 8) | wv[1];
   }
 
   static inline void
-  writeval_unaligned(unsigned char* wv, Valtype v)
+  writeval(unsigned char* wv, Valtype v)
   {
     wv[0] = v >> 8;
     wv[1] = v;
@@ -245,13 +278,13 @@ struct Swap_unaligned<32, false>
   typedef Valtype_base<32>::Valtype Valtype;
 
   static inline Valtype
-  readval_unaligned(const unsigned char* wv)
+  readval(const unsigned char* wv)
   {
     return (wv[3] << 24) | (wv[2] << 16) | (wv[1] << 8) | wv[0];
   }
 
   static inline void
-  writeval_unaligned(unsigned char* wv, Valtype v)
+  writeval(unsigned char* wv, Valtype v)
   {
     wv[3] = v >> 24;
     wv[2] = v >> 16;
@@ -266,13 +299,13 @@ struct Swap_unaligned<32, true>
   typedef Valtype_base<32>::Valtype Valtype;
 
   static inline Valtype
-  readval_unaligned(const unsigned char* wv)
+  readval(const unsigned char* wv)
   {
     return (wv[0] << 24) | (wv[1] << 16) | (wv[2] << 8) | wv[3];
   }
 
   static inline void
-  writeval_unaligned(unsigned char* wv, Valtype v)
+  writeval(unsigned char* wv, Valtype v)
   {
     wv[0] = v >> 24;
     wv[1] = v >> 16;
@@ -287,7 +320,7 @@ struct Swap_unaligned<64, false>
   typedef Valtype_base<64>::Valtype Valtype;
 
   static inline Valtype
-  readval_unaligned(const unsigned char* wv)
+  readval(const unsigned char* wv)
   {
     return ((static_cast<Valtype>(wv[7]) << 56)
            | (static_cast<Valtype>(wv[6]) << 48)
@@ -300,7 +333,7 @@ struct Swap_unaligned<64, false>
   }
 
   static inline void
-  writeval_unaligned(unsigned char* wv, Valtype v)
+  writeval(unsigned char* wv, Valtype v)
   {
     wv[7] = v >> 56;
     wv[6] = v >> 48;
@@ -319,7 +352,7 @@ struct Swap_unaligned<64, true>
   typedef Valtype_base<64>::Valtype Valtype;
 
   static inline Valtype
-  readval_unaligned(const unsigned char* wv)
+  readval(const unsigned char* wv)
   {
     return ((static_cast<Valtype>(wv[0]) << 56)
            | (static_cast<Valtype>(wv[1]) << 48)
@@ -332,7 +365,7 @@ struct Swap_unaligned<64, true>
   }
 
   static inline void
-  writeval_unaligned(unsigned char* wv, Valtype v)
+  writeval(unsigned char* wv, Valtype v)
   {
     wv[7] = v >> 56;
     wv[6] = v >> 48;