x86ISA.cpp

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// -*-Mode: C++;-*-

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//***************************************************************************
//
// File:
//   $HeadURL$
//
// Purpose:
//   [The purpose of this file]
//
// Description:
//   [The set of functions, macros, etc. defined in the file]
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//***************************************************************************

//************************* System Include Files ****************************

#include <iostream>
using std::ostream;

#include <cstdarg>
#include <cstring> // for 'memcpy'

//*************************** User Include Files ****************************

#include <include/gnu_dis-asm.h>

#include "x86ISA.hpp"

#include <lib/support/diagnostics.h>

//*************************** macros ***************************



//*************************** Forward Declarations ***************************
void
GNU_print_addr(bfd_vma di_vma, struct disassemble_info* di)
{
  GNUbu_disdata* data = (GNUbu_disdata*)di->application_data;

  VMA x = GNUvma2vma(di_vma, data->insn_addr, data->insn_vma);
  ostream* os = (ostream*)di->stream;
  *os << std::showbase << std::hex << x << std::dec;
}


VMA
GNUvma2vma(bfd_vma di_vma, MachInsn* insn_addr, VMA insn_vma)
{
  // N.B.: The GNU decoders expect that the address of the 'mi' is
  // actually the VMA.  Furthermore for 32-bit x86 decoding, only
  // the lower 32 bits of 'mi' are valid.

  static const bfd_vma M32 = 0xffffffff;
  //VMA t = (m_is_x86_64) ?
  //  ((m_di->target & M32) - (PTR_TO_BFDVMA(mi) & M32)) + (bfd_vma)vma :
  //  ((m_di->target)       - (PTR_TO_BFDVMA(mi) & M32)) + (bfd_vma)vma;
  VMA x = ((di_vma & M32) - (PTR_TO_BFDVMA(insn_addr) & M32)) + (bfd_vma)insn_vma;
  return x;
}



//****************************************************************************