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/* Disassembler code for CR16.
   Copyright 2007 Free Software Foundation, Inc.
   Contributed by M R Swami Reddy (MR.Swami.Reddy@nsc.com).
 
   This file is part of GAS, GDB and the GNU binutils.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms of the GNU General Public License as published by the
   Free Software Foundation; either version 3, or (at your option)
   any later version.
 
   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 General Public License for
   more details.
 
   You should have received a copy of the GNU 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.  */
 
#include "dis-asm.h"
#include "sysdep.h"
#include "opcode/cr16.h"
#include "libiberty.h"
 
/* String to print when opcode was not matched.  */
#define ILLEGAL  "illegal"
  /* Escape to 16-bit immediate.  */
#define ESCAPE_16_BIT  0xB
 
/* Extract 'n_bits' from 'a' starting from offset 'offs'.  */
#define EXTRACT(a, offs, n_bits)                    \
  (n_bits == 32 ? (((a) >> (offs)) & 0xffffffffL)   \
  : (((a) >> (offs)) & ((1 << (n_bits)) -1)))
 
/* Set Bit Mask - a mask to set all bits starting from offset 'offs'.  */
#define SBM(offs)  ((((1 << (32 - offs)) -1) << (offs)))
 
typedef unsigned long dwordU;
typedef unsigned short wordU;
 
typedef struct
{
  dwordU val;
  int nbits;
} parameter;
 
/* Structure to map valid 'cinv' instruction options.  */
 
typedef struct
  {
    /* Cinv printed string.  */
    char *istr;
    /* Value corresponding to the string.  */
    char *ostr;
  }
cinv_entry;
 
/* CR16 'cinv' options mapping.  */
const cinv_entry cr16_cinvs[] =
{
  {"cinv[i]",     "cinv    [i]"},
  {"cinv[i,u]",   "cinv    [i,u]"},
  {"cinv[d]",     "cinv    [d]"},
  {"cinv[d,u]",   "cinv    [d,u]"},
  {"cinv[d,i]",   "cinv    [d,i]"},
  {"cinv[d,i,u]", "cinv    [d,i,u]"}
};
 
/* Number of valid 'cinv' instruction options.  */
static int NUMCINVS = ARRAY_SIZE (cr16_cinvs);
 
/* Enum to distinguish different registers argument types.  */
typedef enum REG_ARG_TYPE
  {
    /* General purpose register (r<N>).  */
    REG_ARG = 0,
    /*Processor register   */
    P_ARG,
  }
REG_ARG_TYPE;
 
/* Current opcode table entry we're disassembling.  */
const inst *instruction;
/* Current instruction we're disassembling.  */
ins currInsn;
/* The current instruction is read into 3 consecutive words.  */
wordU words[3];
/* Contains all words in appropriate order.  */
ULONGLONG allWords;
/* Holds the current processed argument number.  */
int processing_argument_number;
/* Nonzero means a IMM4 instruction.  */
int imm4flag;
/* Nonzero means the instruction's original size is
   incremented (escape sequence is used).  */
int size_changed;
 
 
/* Print the constant expression length.  */
 
static char *
print_exp_len (int size)
{
  switch (size)
    {
    case 4:
    case 5:
    case 6:
    case 8:
    case 14:
    case 16:
      return ":s";
    case 20:
    case 24:
    case 32:
      return ":m";
    case 48:
      return ":l";
    default:
      return "";
    }
}
 
 
/* Retrieve the number of operands for the current assembled instruction.  */
 
static int
get_number_of_operands (void)
{
  int i;
 
  for (i = 0; instruction->operands[i].op_type && i < MAX_OPERANDS; i++)
    ;
 
  return i;
}
 
/* Return the bit size for a given operand.  */
 
static int
getbits (operand_type op)
{
  if (op < MAX_OPRD)
    return cr16_optab[op].bit_size;
 
  return 0;
}
 
/* Return the argument type of a given operand.  */
 
static argtype
getargtype (operand_type op)
{
  if (op < MAX_OPRD)
    return cr16_optab[op].arg_type;
 
  return nullargs;
}
 
/* Given a 'CC' instruction constant operand, return its corresponding
   string. This routine is used when disassembling the 'CC' instruction.  */
 
static char *
getccstring (unsigned cc)
{
  return (char *) cr16_b_cond_tab[cc];
}
 
 
/* Given a 'cinv' instruction constant operand, return its corresponding
   string. This routine is used when disassembling the 'cinv' instruction. */
 
static char *
getcinvstring (const char *str)
{
  const cinv_entry *cinv;
 
  for (cinv = cr16_cinvs; cinv < (cr16_cinvs + NUMCINVS); cinv++)
    if (strcmp (cinv->istr, str) == 0)
      return cinv->ostr;
 
  return ILLEGAL;
}
 
/* Given the trap index in dispatch table, return its name.
   This routine is used when disassembling the 'excp' instruction.  */
 
static char *
gettrapstring (unsigned int index)
{
  const trap_entry *trap;
 
  for (trap = cr16_traps; trap < cr16_traps + NUMTRAPS; trap++)
    if (trap->entry == index)
      return trap->name;
 
  return ILLEGAL;
}
 
/* Given a register enum value, retrieve its name.  */
 
static char *
getregname (reg r)
{
  const reg_entry *reg = cr16_regtab + r;
 
  if (reg->type != CR16_R_REGTYPE)
    return ILLEGAL;
 
  return reg->name;
}
 
/* Given a register pair enum value, retrieve its name.  */
 
static char *
getregpname (reg r)
{
  const reg_entry *reg = cr16_regptab + r;
 
  if (reg->type != CR16_RP_REGTYPE)
    return ILLEGAL;
 
  return reg->name;
}
 
/* Given a index register pair enum value, retrieve its name.  */
 
static char *
getidxregpname (reg r)
{
  const reg_entry *reg;
 
  switch (r)
   {
   case 0: r = 0; break;
   case 1: r = 2; break;
   case 2: r = 4; break;
   case 3: r = 6; break;
   case 4: r = 8; break;
   case 5: r = 10; break;
   case 6: r = 3; break;
   case 7: r = 5; break;
   default:
     break;
   }
 
  reg = cr16_regptab + r;
 
  if (reg->type != CR16_RP_REGTYPE)
    return ILLEGAL;
 
  return reg->name;
}
 
/* Getting a processor register name.  */
 
static char *
getprocregname (int index)
{
  const reg_entry *r;
 
  for (r = cr16_pregtab; r < cr16_pregtab + NUMPREGS; r++)
    if (r->image == index)
      return r->name;
 
  return "ILLEGAL REGISTER";
}
 
/* Getting a processor register name - 32 bit size.  */
 
static char *
getprocpregname (int index)
{
  const reg_entry *r;
 
  for (r = cr16_pregptab; r < cr16_pregptab + NUMPREGPS; r++)
    if (r->image == index)
      return r->name;
 
  return "ILLEGAL REGISTER";
}
 
/* START and END are relating 'allWords' struct, which is 48 bits size.
 
                          START|--------|END
             +---------+---------+---------+---------+
             |         |   V    |     A    |   L     |
             +---------+---------+---------+---------+
 
    words                  [0]       [1]       [2]      */
 
static parameter
makelongparameter (ULONGLONG val, int start, int end)
{
  parameter p;
 
  p.val = (dwordU) EXTRACT (val, 48 - end, end - start);
  p.nbits = end - start;
  return p;
}
 
/* Build a mask of the instruction's 'constant' opcode,
   based on the instruction's printing flags.  */
 
static unsigned long
build_mask (void)
{
  unsigned long mask = SBM (instruction->match_bits);
  return mask;
}
 
/* Search for a matching opcode. Return 1 for success, 0 for failure.  */
 
static int
match_opcode (void)
{
  unsigned long mask;
  /* The instruction 'constant' opcode doewsn't exceed 32 bits.  */
  unsigned long doubleWord = words[1] + (words[0] << 16);
 
  /* Start searching from end of instruction table.  */
  instruction = &cr16_instruction[NUMOPCODES - 2];
 
  /* Loop over instruction table until a full match is found.  */
  while (instruction >= cr16_instruction)
    {
      mask = build_mask ();
      if ((doubleWord & mask) == BIN (instruction->match,
                                      instruction->match_bits))
        return 1;
      else
        instruction--;
    }
  return 0;
}
 
/* Set the proper parameter value for different type of arguments.  */
 
static void
make_argument (argument * a, int start_bits)
{
  int inst_bit_size;
  parameter p;
 
  if ((instruction->size == 3) && a->size >= 16)
    inst_bit_size = 48;
  else
    inst_bit_size = 32;
 
  switch (a->type)
    {
    case arg_r:
      p = makelongparameter (allWords, inst_bit_size - (start_bits + a->size),
                             inst_bit_size - start_bits);
      a->r = p.val;
      break;
 
    case arg_rp:
      p = makelongparameter (allWords, inst_bit_size - (start_bits + a->size),
                             inst_bit_size - start_bits);
      a->rp = p.val;
      break;
 
    case arg_pr:
      p = makelongparameter (allWords, inst_bit_size - (start_bits + a->size),
                             inst_bit_size - start_bits);
      a->pr = p.val;
      break;
 
    case arg_prp:
      p = makelongparameter (allWords, inst_bit_size - (start_bits + a->size),
                             inst_bit_size - start_bits);
      a->prp = p.val;
      break;
 
    case arg_ic:
      p = makelongparameter (allWords, inst_bit_size - (start_bits + a->size),
                             inst_bit_size - start_bits);
      a->constant = p.val;
      break;
 
    case arg_cc:
      p = makelongparameter (allWords, inst_bit_size - (start_bits + a->size),
                             inst_bit_size - start_bits);
 
      a->cc = p.val;
      break;
 
    case arg_idxr:
      if ((IS_INSN_MNEMONIC ("cbitb"))
          || (IS_INSN_MNEMONIC ("sbitb"))
          || (IS_INSN_MNEMONIC ("tbitb")))
        p = makelongparameter (allWords, 8, 9);
      else
        p = makelongparameter (allWords, 9, 10);
      a->i_r = p.val;
      p = makelongparameter (allWords, inst_bit_size - a->size, inst_bit_size);
      a->constant = p.val;
      break;
 
    case arg_idxrp:
      p = makelongparameter (allWords, start_bits + 12, start_bits + 13);
      a->i_r = p.val;
      p = makelongparameter (allWords, start_bits + 13, start_bits + 16);
      a->rp = p.val;
      if (inst_bit_size > 32)
        {
          p = makelongparameter (allWords, inst_bit_size - start_bits - 12,
                                 inst_bit_size);
          a->constant = ((p.val & 0xffff) | (p.val >> 8 & 0xf0000));
        }
      else if (instruction->size == 2)
        {
          p = makelongparameter (allWords, inst_bit_size - 22, inst_bit_size);
          a->constant = (p.val & 0xf) | (((p.val >>20) & 0x3) << 4)
            | ((p.val >>14 & 0x3) << 6) | (((p.val >>7) & 0x1f) <<7);
        }
      else if (instruction->size == 1 && a->size == 0)
        a->constant = 0;
 
      break;
 
    case arg_rbase:
      p = makelongparameter (allWords, inst_bit_size, inst_bit_size);
      a->constant = p.val;
      p = makelongparameter (allWords, inst_bit_size - (start_bits + 4),
                             inst_bit_size - start_bits);
      a->r = p.val;
      break;
 
    case arg_cr:
      p = makelongparameter (allWords, start_bits + 12, start_bits + 16);
      a->r = p.val;
      p = makelongparameter (allWords, inst_bit_size - 16, inst_bit_size);
      a->constant = p.val;
      break;
 
    case arg_crp:
      if (instruction->size == 1)
        p = makelongparameter (allWords, 12, 16);
      else
        p = makelongparameter (allWords, start_bits + 12, start_bits + 16);
      a->rp = p.val;
 
      if (inst_bit_size > 32)
        {
          p = makelongparameter (allWords, inst_bit_size - start_bits - 12,
                                 inst_bit_size);
          a->constant = ((p.val & 0xffff) | (p.val >> 8 & 0xf0000));
        }
      else if (instruction->size == 2)
        {
          p = makelongparameter (allWords, inst_bit_size - 16, inst_bit_size);
          a->constant = p.val;
        }
      else if (instruction->size == 1 && a->size != 0)
        {
          p = makelongparameter (allWords, 4, 8);
          if (IS_INSN_MNEMONIC ("loadw")
              || IS_INSN_MNEMONIC ("loadd")
              || IS_INSN_MNEMONIC ("storw")
              || IS_INSN_MNEMONIC ("stord"))
            a->constant = (p.val * 2);
          else
            a->constant = p.val;
        }
      else /* below case for 0x0(reg pair) */
        a->constant = 0;
 
      break;
 
    case arg_c:
 
      if ((IS_INSN_TYPE (BRANCH_INS))
          || (IS_INSN_MNEMONIC ("bal"))
          || (IS_INSN_TYPE (CSTBIT_INS))
          || (IS_INSN_TYPE (LD_STOR_INS)))
        {
          switch (a->size)
            {
            case 8 :
              p = makelongparameter (allWords, 0, start_bits);
              a->constant = ((((p.val&0xf00)>>4)) | (p.val&0xf));
              break;
 
            case 24:
              if (instruction->size == 3)
                {
                  p = makelongparameter (allWords, 16, inst_bit_size);
                  a->constant = ((((p.val>>16)&0xf) << 20)
                                 | (((p.val>>24)&0xf) << 16)
                                 | (p.val & 0xffff));
                }
              else if (instruction->size == 2)
                {
                  p = makelongparameter (allWords, 8, inst_bit_size);
                  a->constant = p.val;
                }
              break;
 
            default:
              p = makelongparameter (allWords, inst_bit_size - (start_bits +
                                                                a->size), inst_bit_size - start_bits);
              a->constant = p.val;
              break;
            }
        }
      else
        {
          p = makelongparameter (allWords, inst_bit_size -
                                 (start_bits + a->size),
                                 inst_bit_size - start_bits);
          a->constant = p.val;
        }
      break;
 
    default:
      break;
    }
}
 
/*  Print a single argument.  */
 
static void
print_arg (argument *a, bfd_vma memaddr, struct disassemble_info *info)
{
  LONGLONG longdisp, mask;
  int sign_flag = 0;
  int relative = 0;
  bfd_vma number;
  PTR stream = info->stream;
  fprintf_ftype func = info->fprintf_func;
 
  switch (a->type)
    {
    case arg_r:
      func (stream, "%s", getregname (a->r));
      break;
 
    case arg_rp:
      func (stream, "%s", getregpname (a->rp));
      break;
 
    case arg_pr:
      func (stream, "%s", getprocregname (a->pr));
      break;
 
    case arg_prp:
      func (stream, "%s", getprocpregname (a->prp));
      break;
 
    case arg_cc:
      func (stream, "%s", getccstring (a->cc));
      func (stream, "%s", "\t");
      break;
 
    case arg_ic:
      if (IS_INSN_MNEMONIC ("excp"))
        {
          func (stream, "%s", gettrapstring (a->constant));
          break;
        }
      else if ((IS_INSN_TYPE (ARITH_INS) || IS_INSN_TYPE (ARITH_BYTE_INS))
               && ((instruction->size == 1) && (a->constant == 9)))
        func (stream, "$%d", -1);
      else if (INST_HAS_REG_LIST)
        func (stream, "$0x%lx", a->constant +1);
      else if (IS_INSN_TYPE (SHIFT_INS))
        {
          longdisp = a->constant;
          mask = ((LONGLONG)1 << a->size) - 1;
          if (longdisp & ((LONGLONG)1 << (a->size -1)))
            {
              sign_flag = 1;
              longdisp = ~(longdisp) + 1;
            }
          a->constant = (unsigned long int) (longdisp & mask);
          func (stream, "$%d", ((int)(sign_flag ? -a->constant :
                                      a->constant)));
        }
      else
        func (stream, "$0x%lx", a->constant);
      switch (a->size)
        {
        case 4  : case 5  : case 6  : case 8  :
          func (stream, "%s", ":s"); break;
        case 16 : case 20 : func (stream, "%s", ":m"); break;
        case 24 : case 32 : func (stream, "%s", ":l"); break;
        default: break;
        }
      break;
 
    case arg_idxr:
      if (a->i_r == 0) func (stream, "[r12]");
      if (a->i_r == 1) func (stream, "[r13]");
      func (stream, "0x%lx", a->constant);
      func (stream, "%s", print_exp_len (instruction->size * 16));
      break;
 
    case arg_idxrp:
      if (a->i_r == 0) func (stream, "[r12]");
      if (a->i_r == 1) func (stream, "[r13]");
      func (stream, "0x%lx", a->constant);
      func (stream, "%s", print_exp_len (instruction->size * 16));
      func (stream, "%s", getidxregpname (a->rp));
      break;
 
    case arg_rbase:
      func (stream, "(%s)", getregname (a->r));
      break;
 
    case arg_cr:
      func (stream, "0x%lx", a->constant);
      func (stream, "%s", print_exp_len (instruction->size * 16));
      func (stream, "(%s)", getregname (a->r));
      break;
 
    case arg_crp:
      func (stream, "0x%lx", a->constant);
      func (stream, "%s", print_exp_len (instruction->size * 16));
      func (stream, "%s", getregpname (a->rp));
      break;
 
    case arg_c:
      /*Removed the *2 part as because implicit zeros are no more required.
        Have to fix this as this needs a bit of extension in terms of branch
        instructions. */
      if (IS_INSN_TYPE (BRANCH_INS) || IS_INSN_MNEMONIC ("bal"))
        {
          relative = 1;
          longdisp = a->constant;
          /* REVISIT: To sync with WinIDEA and CR16 4.1tools, the below
             line commented */
          /* longdisp <<= 1; */
          mask = ((LONGLONG)1 << a->size) - 1;
          switch (a->size)
            {
            case 8  :
              {
                longdisp <<= 1;
                if (longdisp & ((LONGLONG)1 << a->size))
                  {
                    sign_flag = 1;
                    longdisp = ~(longdisp) + 1;
                  }
                break;
              }
            case 16 :
            case 24 :
              {
                if (longdisp & 1)
                  {
                    sign_flag = 1;
                    longdisp = ~(longdisp) + 1;
                  }
                break;
              }
            default:
              func (stream, "Wrong offset used in branch/bal instruction");
              break;
            }
          a->constant = (unsigned long int) (longdisp & mask);
        }
      /* For branch Neq instruction it is 2*offset + 2.  */
      else if (IS_INSN_TYPE (BRANCH_NEQ_INS))
        a->constant = 2 * a->constant + 2;
 
      if ((!IS_INSN_TYPE (CSTBIT_INS)) && (!IS_INSN_TYPE (LD_STOR_INS)))
        (sign_flag) ? func (stream, "%s", "*-"): func (stream, "%s","*+");
 
      func (stream, "%s", "0x");
      number = ((relative ? memaddr : 0) +
                (sign_flag ? ((- a->constant) & 0xffffffe) : a->constant));
 
      (*info->print_address_func) ((number & ((1 << 24) - 1)), info);
 
      func (stream, "%s", print_exp_len (instruction->size * 16));
      break;
 
    default:
      break;
    }
}
 
/* Print all the arguments of CURRINSN instruction.  */
 
static void
print_arguments (ins *currInsn, bfd_vma memaddr, struct disassemble_info *info)
{
  int i;
 
  /* For "pop/push/popret RA instruction only.  */
  if ((IS_INSN_MNEMONIC ("pop")
       || (IS_INSN_MNEMONIC ("popret")
           || (IS_INSN_MNEMONIC ("push"))))
      && currInsn->nargs == 1)
    {
      info->fprintf_func (info->stream, "RA");
      return;
    }
 
  for (i = 0; i < currInsn->nargs; i++)
    {
      processing_argument_number = i;
 
      /* For "bal (ra), disp17" instruction only.  */
      if ((IS_INSN_MNEMONIC ("bal")) && (i == 0) && instruction->size == 2)
        {
          info->fprintf_func (info->stream, "(ra),");
          continue;
        }
 
      if ((INST_HAS_REG_LIST) && (i == 2))
        info->fprintf_func (info->stream, "RA");
      else
        print_arg (&currInsn->arg[i], memaddr, info);
 
      if ((i != currInsn->nargs - 1) && (!IS_INSN_MNEMONIC ("b")))
        info->fprintf_func (info->stream, ",");
    }
}
 
/* Build the instruction's arguments.  */
 
static void
make_instruction (void)
{
  int i;
  unsigned int shift;
 
  for (i = 0; i < currInsn.nargs; i++)
    {
      argument a;
 
      memset (&a, 0, sizeof (a));
      a.type = getargtype (instruction->operands[i].op_type);
      a.size = getbits (instruction->operands[i].op_type);
      shift = instruction->operands[i].shift;
 
      make_argument (&a, shift);
      currInsn.arg[i] = a;
    }
 
  /* Calculate instruction size (in bytes).  */
  currInsn.size = instruction->size + (size_changed ? 1 : 0);
  /* Now in bits.  */
  currInsn.size *= 2;
}
 
/* Retrieve a single word from a given memory address.  */
 
static wordU
get_word_at_PC (bfd_vma memaddr, struct disassemble_info *info)
{
  bfd_byte buffer[4];
  int status;
  wordU insn = 0;
 
  status = info->read_memory_func (memaddr, buffer, 2, info);
 
  if (status == 0)
    insn = (wordU) bfd_getl16 (buffer);
 
  return insn;
}
 
/* Retrieve multiple words (3) from a given memory address.  */
 
static void
get_words_at_PC (bfd_vma memaddr, struct disassemble_info *info)
{
  int i;
  bfd_vma mem;
 
  for (i = 0, mem = memaddr; i < 3; i++, mem += 2)
    words[i] = get_word_at_PC (mem, info);
 
  allWords =
    ((ULONGLONG) words[0] << 32) + ((unsigned long) words[1] << 16) + words[2];
}
 
/* Prints the instruction by calling print_arguments after proper matching.  */
 
int
print_insn_cr16 (bfd_vma memaddr, struct disassemble_info *info)
{
  int is_decoded;     /* Nonzero means instruction has a match.  */
 
  /* Initialize global variables.  */
  imm4flag = 0;
  size_changed = 0;
 
  /* Retrieve the encoding from current memory location.  */
  get_words_at_PC (memaddr, info);
  /* Find a matching opcode in table.  */
  is_decoded = match_opcode ();
  /* If found, print the instruction's mnemonic and arguments.  */
  if (is_decoded > 0 && (words[0] << 16 || words[1]) != 0)
    {
      if (strneq (instruction->mnemonic, "cinv", 4))
        info->fprintf_func (info->stream,"%s", getcinvstring (instruction->mnemonic));
      else
        info->fprintf_func (info->stream, "%s", instruction->mnemonic);
 
      if (((currInsn.nargs = get_number_of_operands ()) != 0)
          && ! (IS_INSN_MNEMONIC ("b")))
        info->fprintf_func (info->stream, "\t");
      make_instruction ();
      /* For push/pop/pushrtn with RA instructions.  */
      if ((INST_HAS_REG_LIST) && ((words[0] >> 7) & 0x1))
        currInsn.nargs +=1;
      print_arguments (&currInsn, memaddr, info);
      return currInsn.size;
    }
 
  /* No match found.  */
  info->fprintf_func (info->stream,"%s ",ILLEGAL);
  return 2;
}
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[/] [openrisc/] [trunk/] [gnu-old/] [binutils-2.18.50/] [opcodes/] [cr16-dis.c] - Blame information for rev 853

Line No.	Rev	Author	Line
1	38	julius	`/* Disassembler code for CR16.`
2			`Copyright 2007 Free Software Foundation, Inc.`
3			`Contributed by M R Swami Reddy (MR.Swami.Reddy@nsc.com).`
4
5			`This file is part of GAS, GDB and the GNU binutils.`
6
7			`This program is free software; you can redistribute it and/or modify it`
8			`under the terms of the GNU General Public License as published by the`
9			`Free Software Foundation; either version 3, or (at your option)`
10			`any later version.`
11
12			`This program is distributed in the hope that it will be useful, but WITHOUT`
13			`ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or`
14			`FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for`
15			`more details.`
16
17			`You should have received a copy of the GNU General Public License`
18			`along with this program; if not, write to the Free Software Foundation,`
19			`Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */`
20
21			`#include "dis-asm.h"`
22			`#include "sysdep.h"`
23			`#include "opcode/cr16.h"`
24			`#include "libiberty.h"`
25
26			`/* String to print when opcode was not matched. */`
27			`#define ILLEGAL "illegal"`
28			`/* Escape to 16-bit immediate. */`
29			`#define ESCAPE_16_BIT 0xB`
30
31			`/* Extract 'n_bits' from 'a' starting from offset 'offs'. */`
32			`#define EXTRACT(a, offs, n_bits) \`
33			`(n_bits == 32 ? (((a) >> (offs)) & 0xffffffffL) \`
34			`: (((a) >> (offs)) & ((1 << (n_bits)) -1)))`
35
36			`/* Set Bit Mask - a mask to set all bits starting from offset 'offs'. */`
37			`#define SBM(offs) ((((1 << (32 - offs)) -1) << (offs)))`
38
39			`typedef unsigned long dwordU;`
40			`typedef unsigned short wordU;`