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[/] [or1k/] [trunk/] [gdb-5.3/] [opcodes/] [i960-dis.c] - Diff between revs 1181 and 1765

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/* Disassemble i80960 instructions.
/* Disassemble i80960 instructions.
   Copyright 1990, 1991, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001
   Copyright 1990, 1991, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001
   Free Software Foundation, Inc.
   Free Software Foundation, Inc.
 
 
This program is free software; you can redistribute it and/or modify
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
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
the Free Software Foundation; either version 2, or (at your option)
any later version.
any later version.
 
 
This program is distributed in the hope that it will be useful,
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.
GNU General Public License for more details.
 
 
You should have received a copy of the GNU General Public License
You should have received a copy of the GNU General Public License
along with this program; see the file COPYING.  If not, write to the
along with this program; see the file COPYING.  If not, write to the
Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
02111-1307, USA.  */
02111-1307, USA.  */
 
 
#include "sysdep.h"
#include "sysdep.h"
#include "dis-asm.h"
#include "dis-asm.h"
 
 
static const char *const reg_names[] = {
static const char *const reg_names[] = {
/*  0 */        "pfp", "sp",  "rip", "r3",  "r4",  "r5",  "r6",  "r7",
/*  0 */        "pfp", "sp",  "rip", "r3",  "r4",  "r5",  "r6",  "r7",
/*  8 */        "r8",  "r9",  "r10", "r11", "r12", "r13", "r14", "r15",
/*  8 */        "r8",  "r9",  "r10", "r11", "r12", "r13", "r14", "r15",
/* 16 */        "g0",  "g1",  "g2",  "g3",  "g4",  "g5",  "g6",  "g7",
/* 16 */        "g0",  "g1",  "g2",  "g3",  "g4",  "g5",  "g6",  "g7",
/* 24 */        "g8",  "g9",  "g10", "g11", "g12", "g13", "g14", "fp",
/* 24 */        "g8",  "g9",  "g10", "g11", "g12", "g13", "g14", "fp",
/* 32 */        "pc",  "ac",  "ip",  "tc",  "fp0", "fp1", "fp2", "fp3"
/* 32 */        "pc",  "ac",  "ip",  "tc",  "fp0", "fp1", "fp2", "fp3"
};
};
 
 
 
 
static FILE *stream;            /* Output goes here */
static FILE *stream;            /* Output goes here */
static struct disassemble_info *info;
static struct disassemble_info *info;
static void print_addr PARAMS ((bfd_vma));
static void print_addr PARAMS ((bfd_vma));
static void ctrl PARAMS ((bfd_vma, unsigned long, unsigned long));
static void ctrl PARAMS ((bfd_vma, unsigned long, unsigned long));
static void cobr PARAMS ((bfd_vma, unsigned long, unsigned long));
static void cobr PARAMS ((bfd_vma, unsigned long, unsigned long));
static void reg PARAMS ((unsigned long));
static void reg PARAMS ((unsigned long));
static int mem PARAMS ((bfd_vma, unsigned long, unsigned long, int));
static int mem PARAMS ((bfd_vma, unsigned long, unsigned long, int));
static void ea PARAMS ((bfd_vma, int, const char *, const char *, int, unsigned int));
static void ea PARAMS ((bfd_vma, int, const char *, const char *, int, unsigned int));
static void dstop PARAMS ((int, int, int));
static void dstop PARAMS ((int, int, int));
static void regop PARAMS ((int, int, int, int));
static void regop PARAMS ((int, int, int, int));
static void invalid PARAMS ((int));
static void invalid PARAMS ((int));
static int pinsn PARAMS ((bfd_vma, unsigned long, unsigned long));
static int pinsn PARAMS ((bfd_vma, unsigned long, unsigned long));
static void put_abs PARAMS ((unsigned long, unsigned long));
static void put_abs PARAMS ((unsigned long, unsigned long));
 
 
 
 
/* Print the i960 instruction at address 'memaddr' in debugged memory,
/* Print the i960 instruction at address 'memaddr' in debugged memory,
   on INFO->STREAM.  Returns length of the instruction, in bytes.  */
   on INFO->STREAM.  Returns length of the instruction, in bytes.  */
 
 
int
int
print_insn_i960 (memaddr, info_arg)
print_insn_i960 (memaddr, info_arg)
    bfd_vma memaddr;
    bfd_vma memaddr;
    struct disassemble_info *info_arg;
    struct disassemble_info *info_arg;
{
{
  unsigned int word1, word2 = 0xdeadbeef;
  unsigned int word1, word2 = 0xdeadbeef;
  bfd_byte buffer[8];
  bfd_byte buffer[8];
  int status;
  int status;
 
 
  info = info_arg;
  info = info_arg;
  stream = info->stream;
  stream = info->stream;
 
 
  /* Read word1.  Only read word2 if the instruction
  /* Read word1.  Only read word2 if the instruction
     needs it, to prevent reading past the end of a section.  */
     needs it, to prevent reading past the end of a section.  */
 
 
  status = (*info->read_memory_func) (memaddr, (bfd_byte *) buffer, 4, info);
  status = (*info->read_memory_func) (memaddr, (bfd_byte *) buffer, 4, info);
  if (status != 0)
  if (status != 0)
    {
    {
      (*info->memory_error_func) (status, memaddr, info);
      (*info->memory_error_func) (status, memaddr, info);
      return -1;
      return -1;
    }
    }
 
 
  word1 = bfd_getl32 (buffer);
  word1 = bfd_getl32 (buffer);
 
 
  /* Divide instruction set into classes based on high 4 bits of opcode.  */
  /* Divide instruction set into classes based on high 4 bits of opcode.  */
  switch ( (word1 >> 28) & 0xf )
  switch ( (word1 >> 28) & 0xf )
    {
    {
    default:
    default:
      break;
      break;
    case 0x8:
    case 0x8:
    case 0x9:
    case 0x9:
    case 0xa:
    case 0xa:
    case 0xb:
    case 0xb:
    case 0xc:
    case 0xc:
      /* Read word2.  */
      /* Read word2.  */
      status = (*info->read_memory_func)
      status = (*info->read_memory_func)
        (memaddr + 4, (bfd_byte *) (buffer + 4), 4, info);
        (memaddr + 4, (bfd_byte *) (buffer + 4), 4, info);
      if (status != 0)
      if (status != 0)
        {
        {
          (*info->memory_error_func) (status, memaddr, info);
          (*info->memory_error_func) (status, memaddr, info);
          return -1;
          return -1;
        }
        }
      word2 = bfd_getl32 (buffer + 4);
      word2 = bfd_getl32 (buffer + 4);
      break;
      break;
    }
    }
 
 
  return pinsn( memaddr, word1, word2 );
  return pinsn( memaddr, word1, word2 );
}
}


#define IN_GDB
#define IN_GDB
 
 
/*****************************************************************************
/*****************************************************************************
 *      All code below this point should be identical with that of
 *      All code below this point should be identical with that of
 *      the disassembler in gdmp960.
 *      the disassembler in gdmp960.
 
 
 A noble sentiment, but at least in cosmetic ways (info->fprintf_func), it
 A noble sentiment, but at least in cosmetic ways (info->fprintf_func), it
 just ain't so. -kingdon, 31 Mar 93
 just ain't so. -kingdon, 31 Mar 93
 *****************************************************************************/
 *****************************************************************************/
 
 
struct tabent {
struct tabent {
  char *name;
  char *name;
  short numops;
  short numops;
};
};
 
 
struct sparse_tabent {
struct sparse_tabent {
  int opcode;
  int opcode;
  char *name;
  char *name;
  short numops;
  short numops;
};
};
 
 
static int
static int
pinsn (memaddr, word1, word2)
pinsn (memaddr, word1, word2)
     bfd_vma memaddr;
     bfd_vma memaddr;
     unsigned long word1, word2;
     unsigned long word1, word2;
{
{
  int instr_len;
  int instr_len;
 
 
  instr_len = 4;
  instr_len = 4;
  put_abs (word1, word2);
  put_abs (word1, word2);
 
 
  /* Divide instruction set into classes based on high 4 bits of opcode.  */
  /* Divide instruction set into classes based on high 4 bits of opcode.  */
  switch ((word1 >> 28) & 0xf)
  switch ((word1 >> 28) & 0xf)
    {
    {
    case 0x0:
    case 0x0:
    case 0x1:
    case 0x1:
      ctrl (memaddr, word1, word2);
      ctrl (memaddr, word1, word2);
      break;
      break;
    case 0x2:
    case 0x2:
    case 0x3:
    case 0x3:
      cobr (memaddr, word1, word2);
      cobr (memaddr, word1, word2);
      break;
      break;
    case 0x5:
    case 0x5:
    case 0x6:
    case 0x6:
    case 0x7:
    case 0x7:
      reg (word1);
      reg (word1);
      break;
      break;
    case 0x8:
    case 0x8:
    case 0x9:
    case 0x9:
    case 0xa:
    case 0xa:
    case 0xb:
    case 0xb:
    case 0xc:
    case 0xc:
      instr_len = mem (memaddr, word1, word2, 0);
      instr_len = mem (memaddr, word1, word2, 0);
      break;
      break;
    default:
    default:
      /* Invalid instruction, print as data word.  */
      /* Invalid instruction, print as data word.  */
      invalid (word1);
      invalid (word1);
      break;
      break;
    }
    }
  return instr_len;
  return instr_len;
}
}
 
 
/* CTRL format.. */
/* CTRL format.. */
 
 
static void
static void
ctrl (memaddr, word1, word2)
ctrl (memaddr, word1, word2)
     bfd_vma memaddr;
     bfd_vma memaddr;
     unsigned long word1;
     unsigned long word1;
     unsigned long word2 ATTRIBUTE_UNUSED;
     unsigned long word2 ATTRIBUTE_UNUSED;
{
{
  int i;
  int i;
  static const struct tabent ctrl_tab[] = {
  static const struct tabent ctrl_tab[] = {
    { NULL,             0, },    /* 0x00 */
    { NULL,             0, },    /* 0x00 */
    { NULL,             0, },    /* 0x01 */
    { NULL,             0, },    /* 0x01 */
    { NULL,             0, },    /* 0x02 */
    { NULL,             0, },    /* 0x02 */
    { NULL,             0, },    /* 0x03 */
    { NULL,             0, },    /* 0x03 */
    { NULL,             0, },    /* 0x04 */
    { NULL,             0, },    /* 0x04 */
    { NULL,             0, },    /* 0x05 */
    { NULL,             0, },    /* 0x05 */
    { NULL,             0, },    /* 0x06 */
    { NULL,             0, },    /* 0x06 */
    { NULL,             0, },    /* 0x07 */
    { NULL,             0, },    /* 0x07 */
    { "b",              1, },   /* 0x08 */
    { "b",              1, },   /* 0x08 */
    { "call",           1, },   /* 0x09 */
    { "call",           1, },   /* 0x09 */
    { "ret",            0, },    /* 0x0a */
    { "ret",            0, },    /* 0x0a */
    { "bal",            1, },   /* 0x0b */
    { "bal",            1, },   /* 0x0b */
    { NULL,             0, },    /* 0x0c */
    { NULL,             0, },    /* 0x0c */
    { NULL,             0, },    /* 0x0d */
    { NULL,             0, },    /* 0x0d */
    { NULL,             0, },    /* 0x0e */
    { NULL,             0, },    /* 0x0e */
    { NULL,             0, },    /* 0x0f */
    { NULL,             0, },    /* 0x0f */
    { "bno",            1, },   /* 0x10 */
    { "bno",            1, },   /* 0x10 */
    { "bg",             1, },   /* 0x11 */
    { "bg",             1, },   /* 0x11 */
    { "be",             1, },   /* 0x12 */
    { "be",             1, },   /* 0x12 */
    { "bge",            1, },   /* 0x13 */
    { "bge",            1, },   /* 0x13 */
    { "bl",             1, },   /* 0x14 */
    { "bl",             1, },   /* 0x14 */
    { "bne",            1, },   /* 0x15 */
    { "bne",            1, },   /* 0x15 */
    { "ble",            1, },   /* 0x16 */
    { "ble",            1, },   /* 0x16 */
    { "bo",             1, },   /* 0x17 */
    { "bo",             1, },   /* 0x17 */
    { "faultno",        0, },    /* 0x18 */
    { "faultno",        0, },    /* 0x18 */
    { "faultg",         0, },    /* 0x19 */
    { "faultg",         0, },    /* 0x19 */
    { "faulte",         0, },    /* 0x1a */
    { "faulte",         0, },    /* 0x1a */
    { "faultge",        0, },    /* 0x1b */
    { "faultge",        0, },    /* 0x1b */
    { "faultl",         0, },    /* 0x1c */
    { "faultl",         0, },    /* 0x1c */
    { "faultne",        0, },    /* 0x1d */
    { "faultne",        0, },    /* 0x1d */
    { "faultle",        0, },    /* 0x1e */
    { "faultle",        0, },    /* 0x1e */
    { "faulto",         0, },    /* 0x1f */
    { "faulto",         0, },    /* 0x1f */
  };
  };
 
 
  i = (word1 >> 24) & 0xff;
  i = (word1 >> 24) & 0xff;
  if ((ctrl_tab[i].name == NULL) || ((word1 & 1) != 0))
  if ((ctrl_tab[i].name == NULL) || ((word1 & 1) != 0))
    {
    {
      invalid (word1);
      invalid (word1);
      return;
      return;
    }
    }
 
 
  (*info->fprintf_func) (stream, ctrl_tab[i].name);
  (*info->fprintf_func) (stream, ctrl_tab[i].name);
  if (word1 & 2)
  if (word1 & 2)
    /* Predicts branch not taken.  */
    /* Predicts branch not taken.  */
    (*info->fprintf_func) (stream, ".f");
    (*info->fprintf_func) (stream, ".f");
 
 
  if (ctrl_tab[i].numops == 1)
  if (ctrl_tab[i].numops == 1)
    {
    {
      /* Extract displacement and convert to address.  */
      /* Extract displacement and convert to address.  */
      word1 &= 0x00ffffff;
      word1 &= 0x00ffffff;
 
 
      if (word1 & 0x00800000)
      if (word1 & 0x00800000)
        {
        {
          /* Sign bit is set.  */
          /* Sign bit is set.  */
          word1 |= (-1 & ~0xffffff);    /* Sign extend.  */
          word1 |= (-1 & ~0xffffff);    /* Sign extend.  */
        }
        }
 
 
      (*info->fprintf_func) (stream, "\t");
      (*info->fprintf_func) (stream, "\t");
      print_addr (word1 + memaddr);
      print_addr (word1 + memaddr);
    }
    }
}
}
 
 
/* COBR format.  */
/* COBR format.  */
 
 
static void
static void
cobr (memaddr, word1, word2)
cobr (memaddr, word1, word2)
     bfd_vma memaddr;
     bfd_vma memaddr;
     unsigned long word1;
     unsigned long word1;
     unsigned long word2 ATTRIBUTE_UNUSED;
     unsigned long word2 ATTRIBUTE_UNUSED;
{
{
  int src1;
  int src1;
  int src2;
  int src2;
  int i;
  int i;
 
 
  static const struct tabent cobr_tab[] = {
  static const struct tabent cobr_tab[] = {
    { "testno", 1, },   /* 0x20 */
    { "testno", 1, },   /* 0x20 */
    { "testg",  1, },   /* 0x21 */
    { "testg",  1, },   /* 0x21 */
    { "teste",  1, },   /* 0x22 */
    { "teste",  1, },   /* 0x22 */
    { "testge", 1, },   /* 0x23 */
    { "testge", 1, },   /* 0x23 */
    { "testl",  1, },   /* 0x24 */
    { "testl",  1, },   /* 0x24 */
    { "testne", 1, },   /* 0x25 */
    { "testne", 1, },   /* 0x25 */
    { "testle", 1, },   /* 0x26 */
    { "testle", 1, },   /* 0x26 */
    { "testo",  1, },   /* 0x27 */
    { "testo",  1, },   /* 0x27 */
    { NULL,     0, },    /* 0x28 */
    { NULL,     0, },    /* 0x28 */
    { NULL,     0, },    /* 0x29 */
    { NULL,     0, },    /* 0x29 */
    { NULL,     0, },    /* 0x2a */
    { NULL,     0, },    /* 0x2a */
    { NULL,     0, },    /* 0x2b */
    { NULL,     0, },    /* 0x2b */
    { NULL,     0, },    /* 0x2c */
    { NULL,     0, },    /* 0x2c */
    { NULL,     0, },    /* 0x2d */
    { NULL,     0, },    /* 0x2d */
    { NULL,     0, },    /* 0x2e */
    { NULL,     0, },    /* 0x2e */
    { NULL,     0, },    /* 0x2f */
    { NULL,     0, },    /* 0x2f */
    { "bbc",    3, },   /* 0x30 */
    { "bbc",    3, },   /* 0x30 */
    { "cmpobg", 3, },   /* 0x31 */
    { "cmpobg", 3, },   /* 0x31 */
    { "cmpobe", 3, },   /* 0x32 */
    { "cmpobe", 3, },   /* 0x32 */
    { "cmpobge",3, },   /* 0x33 */
    { "cmpobge",3, },   /* 0x33 */
    { "cmpobl", 3, },   /* 0x34 */
    { "cmpobl", 3, },   /* 0x34 */
    { "cmpobne",3, },   /* 0x35 */
    { "cmpobne",3, },   /* 0x35 */
    { "cmpoble",3, },   /* 0x36 */
    { "cmpoble",3, },   /* 0x36 */
    { "bbs",    3, },   /* 0x37 */
    { "bbs",    3, },   /* 0x37 */
    { "cmpibno",3, },   /* 0x38 */
    { "cmpibno",3, },   /* 0x38 */
    { "cmpibg", 3, },   /* 0x39 */
    { "cmpibg", 3, },   /* 0x39 */
    { "cmpibe", 3, },   /* 0x3a */
    { "cmpibe", 3, },   /* 0x3a */
    { "cmpibge",3, },   /* 0x3b */
    { "cmpibge",3, },   /* 0x3b */
    { "cmpibl", 3, },   /* 0x3c */
    { "cmpibl", 3, },   /* 0x3c */
    { "cmpibne",3, },   /* 0x3d */
    { "cmpibne",3, },   /* 0x3d */
    { "cmpible",3, },   /* 0x3e */
    { "cmpible",3, },   /* 0x3e */
    { "cmpibo", 3, },   /* 0x3f */
    { "cmpibo", 3, },   /* 0x3f */
  };
  };
 
 
  i = ((word1 >> 24) & 0xff) - 0x20;
  i = ((word1 >> 24) & 0xff) - 0x20;
  if (cobr_tab[i].name == NULL)
  if (cobr_tab[i].name == NULL)
    {
    {
      invalid (word1);
      invalid (word1);
      return;
      return;
    }
    }
 
 
  (*info->fprintf_func) (stream, cobr_tab[i].name);
  (*info->fprintf_func) (stream, cobr_tab[i].name);
 
 
  /* Predicts branch not taken.  */
  /* Predicts branch not taken.  */
  if (word1 & 2)
  if (word1 & 2)
    (*info->fprintf_func) (stream, ".f");
    (*info->fprintf_func) (stream, ".f");
 
 
  (*info->fprintf_func) (stream, "\t");
  (*info->fprintf_func) (stream, "\t");
 
 
  src1 = (word1 >> 19) & 0x1f;
  src1 = (word1 >> 19) & 0x1f;
  src2 = (word1 >> 14) & 0x1f;
  src2 = (word1 >> 14) & 0x1f;
 
 
  if (word1 & 0x02000)
  if (word1 & 0x02000)
    /* M1 is 1 */
    /* M1 is 1 */
    (*info->fprintf_func) (stream, "%d", src1);
    (*info->fprintf_func) (stream, "%d", src1);
  else
  else
    (*info->fprintf_func) (stream, reg_names[src1]);
    (*info->fprintf_func) (stream, reg_names[src1]);
 
 
  if (cobr_tab[i].numops > 1)
  if (cobr_tab[i].numops > 1)
    {
    {
      if (word1 & 1)
      if (word1 & 1)
        /* S2 is 1.  */
        /* S2 is 1.  */
        (*info->fprintf_func) (stream, ",sf%d,", src2);
        (*info->fprintf_func) (stream, ",sf%d,", src2);
      else
      else
        /* S1 is 0.  */
        /* S1 is 0.  */
        (*info->fprintf_func) (stream, ",%s,", reg_names[src2]);
        (*info->fprintf_func) (stream, ",%s,", reg_names[src2]);
 
 
      /* Extract displacement and convert to address.  */
      /* Extract displacement and convert to address.  */
      word1 &= 0x00001ffc;
      word1 &= 0x00001ffc;
      if (word1 & 0x00001000)
      if (word1 & 0x00001000)
        /* Negative displacement.  */
        /* Negative displacement.  */
        word1 |= (-1 & ~0x1fff);        /* Sign extend.  */
        word1 |= (-1 & ~0x1fff);        /* Sign extend.  */
 
 
      print_addr (memaddr + word1);
      print_addr (memaddr + word1);
    }
    }
}
}
 
 
/* MEM format.  */
/* MEM format.  */
/* Returns instruction length: 4 or 8.  */
/* Returns instruction length: 4 or 8.  */
 
 
static int
static int
mem (memaddr, word1, word2, noprint)
mem (memaddr, word1, word2, noprint)
     bfd_vma memaddr;
     bfd_vma memaddr;
     unsigned long word1, word2;
     unsigned long word1, word2;
     int noprint;               /* If TRUE, return instruction length, but
     int noprint;               /* If TRUE, return instruction length, but
                                   don't output any text.  */
                                   don't output any text.  */
{
{
  int i, j;
  int i, j;
  int len;
  int len;
  int mode;
  int mode;
  int offset;
  int offset;
  const char *reg1, *reg2, *reg3;
  const char *reg1, *reg2, *reg3;
 
 
  /* This lookup table is too sparse to make it worth typing in, but not
  /* This lookup table is too sparse to make it worth typing in, but not
     so large as to make a sparse array necessary.  We create the table
     so large as to make a sparse array necessary.  We create the table
     at runtime.  */
     at runtime.  */
 
 
  /* NOTE: In this table, the meaning of 'numops' is:
  /* NOTE: In this table, the meaning of 'numops' is:
      1: single operand
      1: single operand
      2: 2 operands, load instruction
      2: 2 operands, load instruction
     -2: 2 operands, store instruction.  */
     -2: 2 operands, store instruction.  */
  static struct tabent *mem_tab;
  static struct tabent *mem_tab;
  /* Opcodes of 0x8X, 9X, aX, bX, and cX must be in the table.  */
  /* Opcodes of 0x8X, 9X, aX, bX, and cX must be in the table.  */
#define MEM_MIN 0x80
#define MEM_MIN 0x80
#define MEM_MAX 0xcf
#define MEM_MAX 0xcf
#define MEM_SIZ ( * sizeof(struct tabent))
#define MEM_SIZ ( * sizeof(struct tabent))
 
 
  static const struct sparse_tabent mem_init[] = {
  static const struct sparse_tabent mem_init[] = {
    { 0x80,     "ldob",  2 },
    { 0x80,     "ldob",  2 },
    { 0x82,     "stob", -2 },
    { 0x82,     "stob", -2 },
    { 0x84,     "bx",    1 },
    { 0x84,     "bx",    1 },
    { 0x85,     "balx",  2 },
    { 0x85,     "balx",  2 },
    { 0x86,     "callx", 1 },
    { 0x86,     "callx", 1 },
    { 0x88,     "ldos",  2 },
    { 0x88,     "ldos",  2 },
    { 0x8a,     "stos", -2 },
    { 0x8a,     "stos", -2 },
    { 0x8c,     "lda",   2 },
    { 0x8c,     "lda",   2 },
    { 0x90,     "ld",    2 },
    { 0x90,     "ld",    2 },
    { 0x92,     "st",   -2 },
    { 0x92,     "st",   -2 },
    { 0x98,     "ldl",   2 },
    { 0x98,     "ldl",   2 },
    { 0x9a,     "stl",  -2 },
    { 0x9a,     "stl",  -2 },
    { 0xa0,     "ldt",   2 },
    { 0xa0,     "ldt",   2 },
    { 0xa2,     "stt",  -2 },
    { 0xa2,     "stt",  -2 },
    { 0xac,     "dcinva", 1 },
    { 0xac,     "dcinva", 1 },
    { 0xb0,     "ldq",   2 },
    { 0xb0,     "ldq",   2 },
    { 0xb2,     "stq",  -2 },
    { 0xb2,     "stq",  -2 },
    { 0xc0,     "ldib",  2 },
    { 0xc0,     "ldib",  2 },
    { 0xc2,     "stib", -2 },
    { 0xc2,     "stib", -2 },
    { 0xc8,     "ldis",  2 },
    { 0xc8,     "ldis",  2 },
    { 0xca,     "stis", -2 },
    { 0xca,     "stis", -2 },
    { 0, NULL,   0 }
    { 0, NULL,   0 }
  };
  };
  static struct tabent mem_tab_buf[MEM_MAX - MEM_MIN + 1];
  static struct tabent mem_tab_buf[MEM_MAX - MEM_MIN + 1];
 
 
  if (mem_tab == NULL)
  if (mem_tab == NULL)
    {
    {
      mem_tab = mem_tab_buf;
      mem_tab = mem_tab_buf;
 
 
      for (i = 0; mem_init[i].opcode != 0; i++)
      for (i = 0; mem_init[i].opcode != 0; i++)
        {
        {
          j = mem_init[i].opcode - MEM_MIN;
          j = mem_init[i].opcode - MEM_MIN;
          mem_tab[j].name = mem_init[i].name;
          mem_tab[j].name = mem_init[i].name;
          mem_tab[j].numops = mem_init[i].numops;
          mem_tab[j].numops = mem_init[i].numops;
        }
        }
    }
    }
 
 
  i = ((word1 >> 24) & 0xff) - MEM_MIN;
  i = ((word1 >> 24) & 0xff) - MEM_MIN;
  mode = (word1 >> 10) & 0xf;
  mode = (word1 >> 10) & 0xf;
 
 
  if ((mem_tab[i].name != NULL)         /* Valid instruction */
  if ((mem_tab[i].name != NULL)         /* Valid instruction */
      && ((mode == 5) || (mode >= 12)))
      && ((mode == 5) || (mode >= 12)))
    /* With 32-bit displacement.  */
    /* With 32-bit displacement.  */
    len = 8;
    len = 8;
  else
  else
    len = 4;
    len = 4;
 
 
  if (noprint)
  if (noprint)
    return len;
    return len;
 
 
  if ((mem_tab[i].name == NULL) || (mode == 6))
  if ((mem_tab[i].name == NULL) || (mode == 6))
    {
    {
      invalid (word1);
      invalid (word1);
      return len;
      return len;
    }
    }
 
 
  (*info->fprintf_func) (stream, "%s\t", mem_tab[i].name);
  (*info->fprintf_func) (stream, "%s\t", mem_tab[i].name);
 
 
  reg1 = reg_names[ (word1 >> 19) & 0x1f ];     /* MEMB only */
  reg1 = reg_names[ (word1 >> 19) & 0x1f ];     /* MEMB only */
  reg2 = reg_names[ (word1 >> 14) & 0x1f ];
  reg2 = reg_names[ (word1 >> 14) & 0x1f ];
  reg3 = reg_names[ word1 & 0x1f ];             /* MEMB only */
  reg3 = reg_names[ word1 & 0x1f ];             /* MEMB only */
  offset = word1 & 0xfff;                               /* MEMA only  */
  offset = word1 & 0xfff;                               /* MEMA only  */
 
 
  switch (mem_tab[i].numops)
  switch (mem_tab[i].numops)
    {
    {
    case 2: /* LOAD INSTRUCTION */
    case 2: /* LOAD INSTRUCTION */
      if (mode & 4)
      if (mode & 4)
        {                       /* MEMB FORMAT */
        {                       /* MEMB FORMAT */
          ea (memaddr, mode, reg2, reg3, word1, word2);
          ea (memaddr, mode, reg2, reg3, word1, word2);
          (*info->fprintf_func) (stream, ",%s", reg1);
          (*info->fprintf_func) (stream, ",%s", reg1);
        }
        }
      else
      else
        {                               /* MEMA FORMAT */
        {                               /* MEMA FORMAT */
          (*info->fprintf_func) (stream, "0x%x", (unsigned) offset);
          (*info->fprintf_func) (stream, "0x%x", (unsigned) offset);
 
 
          if (mode & 8)
          if (mode & 8)
            (*info->fprintf_func) (stream, "(%s)", reg2);
            (*info->fprintf_func) (stream, "(%s)", reg2);
 
 
          (*info->fprintf_func)(stream, ",%s", reg1);
          (*info->fprintf_func)(stream, ",%s", reg1);
        }
        }
      break;
      break;
 
 
    case -2: /* STORE INSTRUCTION */
    case -2: /* STORE INSTRUCTION */
      if (mode & 4)
      if (mode & 4)
        {
        {
          /* MEMB FORMAT */
          /* MEMB FORMAT */
          (*info->fprintf_func) (stream, "%s,", reg1);
          (*info->fprintf_func) (stream, "%s,", reg1);
          ea (memaddr, mode, reg2, reg3, word1, word2);
          ea (memaddr, mode, reg2, reg3, word1, word2);
        }
        }
      else
      else
        {
        {
          /* MEMA FORMAT */
          /* MEMA FORMAT */
          (*info->fprintf_func) (stream, "%s,0x%x", reg1, (unsigned) offset);
          (*info->fprintf_func) (stream, "%s,0x%x", reg1, (unsigned) offset);
 
 
          if (mode & 8)
          if (mode & 8)
            (*info->fprintf_func) (stream, "(%s)", reg2);
            (*info->fprintf_func) (stream, "(%s)", reg2);
        }
        }
      break;
      break;
 
 
    case 1: /* BX/CALLX INSTRUCTION */
    case 1: /* BX/CALLX INSTRUCTION */
      if (mode & 4)
      if (mode & 4)
        {
        {
          /* MEMB FORMAT */
          /* MEMB FORMAT */
          ea (memaddr, mode, reg2, reg3, word1, word2);
          ea (memaddr, mode, reg2, reg3, word1, word2);
        }
        }
      else
      else
        {
        {
          /* MEMA FORMAT */
          /* MEMA FORMAT */
          (*info->fprintf_func) (stream, "0x%x", (unsigned) offset);
          (*info->fprintf_func) (stream, "0x%x", (unsigned) offset);
          if (mode & 8)
          if (mode & 8)
            (*info->fprintf_func) (stream, "(%s)", reg2);
            (*info->fprintf_func) (stream, "(%s)", reg2);
        }
        }
      break;
      break;
    }
    }
 
 
  return len;
  return len;
}
}
 
 
/* REG format.  */
/* REG format.  */
 
 
static void
static void
reg (word1)
reg (word1)
     unsigned long word1;
     unsigned long word1;
{
{
  int i, j;
  int i, j;
  int opcode;
  int opcode;
  int fp;
  int fp;
  int m1, m2, m3;
  int m1, m2, m3;
  int s1, s2;
  int s1, s2;
  int src, src2, dst;
  int src, src2, dst;
  char *mnemp;
  char *mnemp;
 
 
  /* This lookup table is too sparse to make it worth typing in, but not
  /* This lookup table is too sparse to make it worth typing in, but not
     so large as to make a sparse array necessary.  We create the table
     so large as to make a sparse array necessary.  We create the table
     at runtime.  */
     at runtime.  */
 
 
  /* NOTE: In this table, the meaning of 'numops' is:
  /* NOTE: In this table, the meaning of 'numops' is:
         1: single operand, which is NOT a destination.
         1: single operand, which is NOT a destination.
        -1: single operand, which IS a destination.
        -1: single operand, which IS a destination.
         2: 2 operands, the 2nd of which is NOT a destination.
         2: 2 operands, the 2nd of which is NOT a destination.
        -2: 2 operands, the 2nd of which IS a destination.
        -2: 2 operands, the 2nd of which IS a destination.
         3: 3 operands
         3: 3 operands
 
 
        If an opcode mnemonic begins with "F", it is a floating-point
        If an opcode mnemonic begins with "F", it is a floating-point
        opcode (the "F" is not printed).  */
        opcode (the "F" is not printed).  */
 
 
  static struct tabent *reg_tab;
  static struct tabent *reg_tab;
  static const struct sparse_tabent reg_init[] =
  static const struct sparse_tabent reg_init[] =
  {
  {
#define REG_MIN 0x580
#define REG_MIN 0x580
    { 0x580,    "notbit",       3 },
    { 0x580,    "notbit",       3 },
    { 0x581,    "and",          3 },
    { 0x581,    "and",          3 },
    { 0x582,    "andnot",       3 },
    { 0x582,    "andnot",       3 },
    { 0x583,    "setbit",       3 },
    { 0x583,    "setbit",       3 },
    { 0x584,    "notand",       3 },
    { 0x584,    "notand",       3 },
    { 0x586,    "xor",          3 },
    { 0x586,    "xor",          3 },
    { 0x587,    "or",           3 },
    { 0x587,    "or",           3 },
    { 0x588,    "nor",          3 },
    { 0x588,    "nor",          3 },
    { 0x589,    "xnor",         3 },
    { 0x589,    "xnor",         3 },
    { 0x58a,    "not",          -2 },
    { 0x58a,    "not",          -2 },
    { 0x58b,    "ornot",        3 },
    { 0x58b,    "ornot",        3 },
    { 0x58c,    "clrbit",       3 },
    { 0x58c,    "clrbit",       3 },
    { 0x58d,    "notor",        3 },
    { 0x58d,    "notor",        3 },
    { 0x58e,    "nand",         3 },
    { 0x58e,    "nand",         3 },
    { 0x58f,    "alterbit",     3 },
    { 0x58f,    "alterbit",     3 },
    { 0x590,    "addo",         3 },
    { 0x590,    "addo",         3 },
    { 0x591,    "addi",         3 },
    { 0x591,    "addi",         3 },
    { 0x592,    "subo",         3 },
    { 0x592,    "subo",         3 },
    { 0x593,    "subi",         3 },
    { 0x593,    "subi",         3 },
    { 0x594,    "cmpob",        2 },
    { 0x594,    "cmpob",        2 },
    { 0x595,    "cmpib",        2 },
    { 0x595,    "cmpib",        2 },
    { 0x596,    "cmpos",        2 },
    { 0x596,    "cmpos",        2 },
    { 0x597,    "cmpis",        2 },
    { 0x597,    "cmpis",        2 },
    { 0x598,    "shro",         3 },
    { 0x598,    "shro",         3 },
    { 0x59a,    "shrdi",        3 },
    { 0x59a,    "shrdi",        3 },
    { 0x59b,    "shri",         3 },
    { 0x59b,    "shri",         3 },
    { 0x59c,    "shlo",         3 },
    { 0x59c,    "shlo",         3 },
    { 0x59d,    "rotate",       3 },
    { 0x59d,    "rotate",       3 },
    { 0x59e,    "shli",         3 },
    { 0x59e,    "shli",         3 },
    { 0x5a0,    "cmpo",         2 },
    { 0x5a0,    "cmpo",         2 },
    { 0x5a1,    "cmpi",         2 },
    { 0x5a1,    "cmpi",         2 },
    { 0x5a2,    "concmpo",      2 },
    { 0x5a2,    "concmpo",      2 },
    { 0x5a3,    "concmpi",      2 },
    { 0x5a3,    "concmpi",      2 },
    { 0x5a4,    "cmpinco",      3 },
    { 0x5a4,    "cmpinco",      3 },
    { 0x5a5,    "cmpinci",      3 },
    { 0x5a5,    "cmpinci",      3 },
    { 0x5a6,    "cmpdeco",      3 },
    { 0x5a6,    "cmpdeco",      3 },
    { 0x5a7,    "cmpdeci",      3 },
    { 0x5a7,    "cmpdeci",      3 },
    { 0x5ac,    "scanbyte",     2 },
    { 0x5ac,    "scanbyte",     2 },
    { 0x5ad,    "bswap",        -2 },
    { 0x5ad,    "bswap",        -2 },
    { 0x5ae,    "chkbit",       2 },
    { 0x5ae,    "chkbit",       2 },
    { 0x5b0,    "addc",         3 },
    { 0x5b0,    "addc",         3 },
    { 0x5b2,    "subc",         3 },
    { 0x5b2,    "subc",         3 },
    { 0x5b4,    "intdis",       0 },
    { 0x5b4,    "intdis",       0 },
    { 0x5b5,    "inten",        0 },
    { 0x5b5,    "inten",        0 },
    { 0x5cc,    "mov",          -2 },
    { 0x5cc,    "mov",          -2 },
    { 0x5d8,    "eshro",        3 },
    { 0x5d8,    "eshro",        3 },
    { 0x5dc,    "movl",         -2 },
    { 0x5dc,    "movl",         -2 },
    { 0x5ec,    "movt",         -2 },
    { 0x5ec,    "movt",         -2 },
    { 0x5fc,    "movq",         -2 },
    { 0x5fc,    "movq",         -2 },
    { 0x600,    "synmov",       2 },
    { 0x600,    "synmov",       2 },
    { 0x601,    "synmovl",      2 },
    { 0x601,    "synmovl",      2 },
    { 0x602,    "synmovq",      2 },
    { 0x602,    "synmovq",      2 },
    { 0x603,    "cmpstr",       3 },
    { 0x603,    "cmpstr",       3 },
    { 0x604,    "movqstr",      3 },
    { 0x604,    "movqstr",      3 },
    { 0x605,    "movstr",       3 },
    { 0x605,    "movstr",       3 },
    { 0x610,    "atmod",        3 },
    { 0x610,    "atmod",        3 },
    { 0x612,    "atadd",        3 },
    { 0x612,    "atadd",        3 },
    { 0x613,    "inspacc",      -2 },
    { 0x613,    "inspacc",      -2 },
    { 0x614,    "ldphy",        -2 },
    { 0x614,    "ldphy",        -2 },
    { 0x615,    "synld",        -2 },
    { 0x615,    "synld",        -2 },
    { 0x617,    "fill",         3 },
    { 0x617,    "fill",         3 },
    { 0x630,    "sdma",         3 },
    { 0x630,    "sdma",         3 },
    { 0x631,    "udma",         0 },
    { 0x631,    "udma",         0 },
    { 0x640,    "spanbit",      -2 },
    { 0x640,    "spanbit",      -2 },
    { 0x641,    "scanbit",      -2 },
    { 0x641,    "scanbit",      -2 },
    { 0x642,    "daddc",        3 },
    { 0x642,    "daddc",        3 },
    { 0x643,    "dsubc",        3 },
    { 0x643,    "dsubc",        3 },
    { 0x644,    "dmovt",        -2 },
    { 0x644,    "dmovt",        -2 },
    { 0x645,    "modac",        3 },
    { 0x645,    "modac",        3 },
    { 0x646,    "condrec",      -2 },
    { 0x646,    "condrec",      -2 },
    { 0x650,    "modify",       3 },
    { 0x650,    "modify",       3 },
    { 0x651,    "extract",      3 },
    { 0x651,    "extract",      3 },
    { 0x654,    "modtc",        3 },
    { 0x654,    "modtc",        3 },
    { 0x655,    "modpc",        3 },
    { 0x655,    "modpc",        3 },
    { 0x656,    "receive",      -2 },
    { 0x656,    "receive",      -2 },
    { 0x658,    "intctl",       -2 },
    { 0x658,    "intctl",       -2 },
    { 0x659,    "sysctl",       3 },
    { 0x659,    "sysctl",       3 },
    { 0x65b,    "icctl",        3 },
    { 0x65b,    "icctl",        3 },
    { 0x65c,    "dcctl",        3 },
    { 0x65c,    "dcctl",        3 },
    { 0x65d,    "halt",         0 },
    { 0x65d,    "halt",         0 },
    { 0x660,    "calls",        1 },
    { 0x660,    "calls",        1 },
    { 0x662,    "send",         3 },
    { 0x662,    "send",         3 },
    { 0x663,    "sendserv",     1 },
    { 0x663,    "sendserv",     1 },
    { 0x664,    "resumprcs",    1 },
    { 0x664,    "resumprcs",    1 },
    { 0x665,    "schedprcs",    1 },
    { 0x665,    "schedprcs",    1 },
    { 0x666,    "saveprcs",     0 },
    { 0x666,    "saveprcs",     0 },
    { 0x668,    "condwait",     1 },
    { 0x668,    "condwait",     1 },
    { 0x669,    "wait",         1 },
    { 0x669,    "wait",         1 },
    { 0x66a,    "signal",       1 },
    { 0x66a,    "signal",       1 },
    { 0x66b,    "mark",         0 },
    { 0x66b,    "mark",         0 },
    { 0x66c,    "fmark",        0 },
    { 0x66c,    "fmark",        0 },
    { 0x66d,    "flushreg",     0 },
    { 0x66d,    "flushreg",     0 },
    { 0x66f,    "syncf",        0 },
    { 0x66f,    "syncf",        0 },
    { 0x670,    "emul",         3 },
    { 0x670,    "emul",         3 },
    { 0x671,    "ediv",         3 },
    { 0x671,    "ediv",         3 },
    { 0x673,    "ldtime",       -1 },
    { 0x673,    "ldtime",       -1 },
    { 0x674,    "Fcvtir",       -2 },
    { 0x674,    "Fcvtir",       -2 },
    { 0x675,    "Fcvtilr",      -2 },
    { 0x675,    "Fcvtilr",      -2 },
    { 0x676,    "Fscalerl",     3 },
    { 0x676,    "Fscalerl",     3 },
    { 0x677,    "Fscaler",      3 },
    { 0x677,    "Fscaler",      3 },
    { 0x680,    "Fatanr",       3 },
    { 0x680,    "Fatanr",       3 },
    { 0x681,    "Flogepr",      3 },
    { 0x681,    "Flogepr",      3 },
    { 0x682,    "Flogr",        3 },
    { 0x682,    "Flogr",        3 },
    { 0x683,    "Fremr",        3 },
    { 0x683,    "Fremr",        3 },
    { 0x684,    "Fcmpor",       2 },
    { 0x684,    "Fcmpor",       2 },
    { 0x685,    "Fcmpr",        2 },
    { 0x685,    "Fcmpr",        2 },
    { 0x688,    "Fsqrtr",       -2 },
    { 0x688,    "Fsqrtr",       -2 },
    { 0x689,    "Fexpr",        -2 },
    { 0x689,    "Fexpr",        -2 },
    { 0x68a,    "Flogbnr",      -2 },
    { 0x68a,    "Flogbnr",      -2 },
    { 0x68b,    "Froundr",      -2 },
    { 0x68b,    "Froundr",      -2 },
    { 0x68c,    "Fsinr",        -2 },
    { 0x68c,    "Fsinr",        -2 },
    { 0x68d,    "Fcosr",        -2 },
    { 0x68d,    "Fcosr",        -2 },
    { 0x68e,    "Ftanr",        -2 },
    { 0x68e,    "Ftanr",        -2 },
    { 0x68f,    "Fclassr",      1 },
    { 0x68f,    "Fclassr",      1 },
    { 0x690,    "Fatanrl",      3 },
    { 0x690,    "Fatanrl",      3 },
    { 0x691,    "Flogeprl",     3 },
    { 0x691,    "Flogeprl",     3 },
    { 0x692,    "Flogrl",       3 },
    { 0x692,    "Flogrl",       3 },
    { 0x693,    "Fremrl",       3 },
    { 0x693,    "Fremrl",       3 },
    { 0x694,    "Fcmporl",      2 },
    { 0x694,    "Fcmporl",      2 },
    { 0x695,    "Fcmprl",       2 },
    { 0x695,    "Fcmprl",       2 },
    { 0x698,    "Fsqrtrl",      -2 },
    { 0x698,    "Fsqrtrl",      -2 },
    { 0x699,    "Fexprl",       -2 },
    { 0x699,    "Fexprl",       -2 },
    { 0x69a,    "Flogbnrl",     -2 },
    { 0x69a,    "Flogbnrl",     -2 },
    { 0x69b,    "Froundrl",     -2 },
    { 0x69b,    "Froundrl",     -2 },
    { 0x69c,    "Fsinrl",       -2 },
    { 0x69c,    "Fsinrl",       -2 },
    { 0x69d,    "Fcosrl",       -2 },
    { 0x69d,    "Fcosrl",       -2 },
    { 0x69e,    "Ftanrl",       -2 },
    { 0x69e,    "Ftanrl",       -2 },
    { 0x69f,    "Fclassrl",     1 },
    { 0x69f,    "Fclassrl",     1 },
    { 0x6c0,    "Fcvtri",       -2 },
    { 0x6c0,    "Fcvtri",       -2 },
    { 0x6c1,    "Fcvtril",      -2 },
    { 0x6c1,    "Fcvtril",      -2 },
    { 0x6c2,    "Fcvtzri",      -2 },
    { 0x6c2,    "Fcvtzri",      -2 },
    { 0x6c3,    "Fcvtzril",     -2 },
    { 0x6c3,    "Fcvtzril",     -2 },
    { 0x6c9,    "Fmovr",        -2 },
    { 0x6c9,    "Fmovr",        -2 },
    { 0x6d9,    "Fmovrl",       -2 },
    { 0x6d9,    "Fmovrl",       -2 },
    { 0x6e1,    "Fmovre",       -2 },
    { 0x6e1,    "Fmovre",       -2 },
    { 0x6e2,    "Fcpysre",      3 },
    { 0x6e2,    "Fcpysre",      3 },
    { 0x6e3,    "Fcpyrsre",     3 },
    { 0x6e3,    "Fcpyrsre",     3 },
    { 0x701,    "mulo",         3 },
    { 0x701,    "mulo",         3 },
    { 0x708,    "remo",         3 },
    { 0x708,    "remo",         3 },
    { 0x70b,    "divo",         3 },
    { 0x70b,    "divo",         3 },
    { 0x741,    "muli",         3 },
    { 0x741,    "muli",         3 },
    { 0x748,    "remi",         3 },
    { 0x748,    "remi",         3 },
    { 0x749,    "modi",         3 },
    { 0x749,    "modi",         3 },
    { 0x74b,    "divi",         3 },
    { 0x74b,    "divi",         3 },
    { 0x780,    "addono",       3 },
    { 0x780,    "addono",       3 },
    { 0x781,    "addino",       3 },
    { 0x781,    "addino",       3 },
    { 0x782,    "subono",       3 },
    { 0x782,    "subono",       3 },
    { 0x783,    "subino",       3 },
    { 0x783,    "subino",       3 },
    { 0x784,    "selno",        3 },
    { 0x784,    "selno",        3 },
    { 0x78b,    "Fdivr",        3 },
    { 0x78b,    "Fdivr",        3 },
    { 0x78c,    "Fmulr",        3 },
    { 0x78c,    "Fmulr",        3 },
    { 0x78d,    "Fsubr",        3 },
    { 0x78d,    "Fsubr",        3 },
    { 0x78f,    "Faddr",        3 },
    { 0x78f,    "Faddr",        3 },
    { 0x790,    "addog",        3 },
    { 0x790,    "addog",        3 },
    { 0x791,    "addig",        3 },
    { 0x791,    "addig",        3 },
    { 0x792,    "subog",        3 },
    { 0x792,    "subog",        3 },
    { 0x793,    "subig",        3 },
    { 0x793,    "subig",        3 },
    { 0x794,    "selg",         3 },
    { 0x794,    "selg",         3 },
    { 0x79b,    "Fdivrl",       3 },
    { 0x79b,    "Fdivrl",       3 },
    { 0x79c,    "Fmulrl",       3 },
    { 0x79c,    "Fmulrl",       3 },
    { 0x79d,    "Fsubrl",       3 },
    { 0x79d,    "Fsubrl",       3 },
    { 0x79f,    "Faddrl",       3 },
    { 0x79f,    "Faddrl",       3 },
    { 0x7a0,    "addoe",        3 },
    { 0x7a0,    "addoe",        3 },
    { 0x7a1,    "addie",        3 },
    { 0x7a1,    "addie",        3 },
    { 0x7a2,    "suboe",        3 },
    { 0x7a2,    "suboe",        3 },
    { 0x7a3,    "subie",        3 },
    { 0x7a3,    "subie",        3 },
    { 0x7a4,    "sele",         3 },
    { 0x7a4,    "sele",         3 },
    { 0x7b0,    "addoge",       3 },
    { 0x7b0,    "addoge",       3 },
    { 0x7b1,    "addige",       3 },
    { 0x7b1,    "addige",       3 },
    { 0x7b2,    "suboge",       3 },
    { 0x7b2,    "suboge",       3 },
    { 0x7b3,    "subige",       3 },
    { 0x7b3,    "subige",       3 },
    { 0x7b4,    "selge",        3 },
    { 0x7b4,    "selge",        3 },
    { 0x7c0,    "addol",        3 },
    { 0x7c0,    "addol",        3 },
    { 0x7c1,    "addil",        3 },
    { 0x7c1,    "addil",        3 },
    { 0x7c2,    "subol",        3 },
    { 0x7c2,    "subol",        3 },
    { 0x7c3,    "subil",        3 },
    { 0x7c3,    "subil",        3 },
    { 0x7c4,    "sell",         3 },
    { 0x7c4,    "sell",         3 },
    { 0x7d0,    "addone",       3 },
    { 0x7d0,    "addone",       3 },
    { 0x7d1,    "addine",       3 },
    { 0x7d1,    "addine",       3 },
    { 0x7d2,    "subone",       3 },
    { 0x7d2,    "subone",       3 },
    { 0x7d3,    "subine",       3 },
    { 0x7d3,    "subine",       3 },
    { 0x7d4,    "selne",        3 },
    { 0x7d4,    "selne",        3 },
    { 0x7e0,    "addole",       3 },
    { 0x7e0,    "addole",       3 },
    { 0x7e1,    "addile",       3 },
    { 0x7e1,    "addile",       3 },
    { 0x7e2,    "subole",       3 },
    { 0x7e2,    "subole",       3 },
    { 0x7e3,    "subile",       3 },
    { 0x7e3,    "subile",       3 },
    { 0x7e4,    "selle",        3 },
    { 0x7e4,    "selle",        3 },
    { 0x7f0,    "addoo",        3 },
    { 0x7f0,    "addoo",        3 },
    { 0x7f1,    "addio",        3 },
    { 0x7f1,    "addio",        3 },
    { 0x7f2,    "suboo",        3 },
    { 0x7f2,    "suboo",        3 },
    { 0x7f3,    "subio",        3 },
    { 0x7f3,    "subio",        3 },
    { 0x7f4,    "selo",         3 },
    { 0x7f4,    "selo",         3 },
#define REG_MAX 0x7f4
#define REG_MAX 0x7f4
    { 0, NULL,           0 }
    { 0, NULL,           0 }
  };
  };
  static struct tabent reg_tab_buf[REG_MAX - REG_MIN + 1];
  static struct tabent reg_tab_buf[REG_MAX - REG_MIN + 1];
 
 
  if (reg_tab == NULL)
  if (reg_tab == NULL)
    {
    {
      reg_tab = reg_tab_buf;
      reg_tab = reg_tab_buf;
 
 
      for (i = 0; reg_init[i].opcode != 0; i++)
      for (i = 0; reg_init[i].opcode != 0; i++)
        {
        {
          j = reg_init[i].opcode - REG_MIN;
          j = reg_init[i].opcode - REG_MIN;
          reg_tab[j].name = reg_init[i].name;
          reg_tab[j].name = reg_init[i].name;
          reg_tab[j].numops = reg_init[i].numops;
          reg_tab[j].numops = reg_init[i].numops;
        }
        }
    }
    }
 
 
  opcode = ((word1 >> 20) & 0xff0) | ((word1 >> 7) & 0xf);
  opcode = ((word1 >> 20) & 0xff0) | ((word1 >> 7) & 0xf);
  i = opcode - REG_MIN;
  i = opcode - REG_MIN;
 
 
  if ((opcode<REG_MIN) || (opcode>REG_MAX) || (reg_tab[i].name==NULL))
  if ((opcode<REG_MIN) || (opcode>REG_MAX) || (reg_tab[i].name==NULL))
    {
    {
      invalid (word1);
      invalid (word1);
      return;
      return;
    }
    }
 
 
  mnemp = reg_tab[i].name;
  mnemp = reg_tab[i].name;
  if (*mnemp == 'F')
  if (*mnemp == 'F')
    {
    {
      fp = 1;
      fp = 1;
      mnemp++;
      mnemp++;
    }
    }
  else
  else
    {
    {
      fp = 0;
      fp = 0;
    }
    }
 
 
  (*info->fprintf_func) (stream, mnemp);
  (*info->fprintf_func) (stream, mnemp);
 
 
  s1   = (word1 >> 5)  & 1;
  s1   = (word1 >> 5)  & 1;
  s2   = (word1 >> 6)  & 1;
  s2   = (word1 >> 6)  & 1;
  m1   = (word1 >> 11) & 1;
  m1   = (word1 >> 11) & 1;
  m2   = (word1 >> 12) & 1;
  m2   = (word1 >> 12) & 1;
  m3   = (word1 >> 13) & 1;
  m3   = (word1 >> 13) & 1;
  src  =  word1        & 0x1f;
  src  =  word1        & 0x1f;
  src2 = (word1 >> 14) & 0x1f;
  src2 = (word1 >> 14) & 0x1f;
  dst  = (word1 >> 19) & 0x1f;
  dst  = (word1 >> 19) & 0x1f;
 
 
  if  (reg_tab[i].numops != 0)
  if  (reg_tab[i].numops != 0)
    {
    {
      (*info->fprintf_func) (stream, "\t");
      (*info->fprintf_func) (stream, "\t");
 
 
    switch (reg_tab[i].numops)
    switch (reg_tab[i].numops)
      {
      {
      case 1:
      case 1:
        regop (m1, s1, src, fp);
        regop (m1, s1, src, fp);
        break;
        break;
      case -1:
      case -1:
        dstop (m3, dst, fp);
        dstop (m3, dst, fp);
        break;
        break;
      case 2:
      case 2:
        regop (m1, s1, src, fp);
        regop (m1, s1, src, fp);
        (*info->fprintf_func) (stream, ",");
        (*info->fprintf_func) (stream, ",");
        regop (m2, s2, src2, fp);
        regop (m2, s2, src2, fp);
        break;
        break;
      case -2:
      case -2:
        regop (m1, s1, src, fp);
        regop (m1, s1, src, fp);
        (*info->fprintf_func) (stream, ",");
        (*info->fprintf_func) (stream, ",");
        dstop (m3, dst, fp);
        dstop (m3, dst, fp);
        break;
        break;
      case 3:
      case 3:
        regop (m1, s1, src, fp);
        regop (m1, s1, src, fp);
        (*info->fprintf_func) (stream, ",");
        (*info->fprintf_func) (stream, ",");
        regop (m2, s2, src2, fp);
        regop (m2, s2, src2, fp);
        (*info->fprintf_func) (stream, ",");
        (*info->fprintf_func) (stream, ",");
        dstop (m3, dst, fp);
        dstop (m3, dst, fp);
        break;
        break;
      }
      }
    }
    }
}
}
 
 
/* Print out effective address for memb instructions.  */
/* Print out effective address for memb instructions.  */
 
 
static void
static void
ea (memaddr, mode, reg2, reg3, word1, word2)
ea (memaddr, mode, reg2, reg3, word1, word2)
     bfd_vma memaddr;
     bfd_vma memaddr;
     int mode;
     int mode;
     const char *reg2;
     const char *reg2;
     const char *reg3;
     const char *reg3;
     int word1;
     int word1;
     unsigned int word2;
     unsigned int word2;
{
{
  int scale;
  int scale;
  static const int scale_tab[] = { 1, 2, 4, 8, 16 };
  static const int scale_tab[] = { 1, 2, 4, 8, 16 };
 
 
  scale = (word1 >> 7) & 0x07;
  scale = (word1 >> 7) & 0x07;
 
 
  if ((scale > 4) || (((word1 >> 5) & 0x03) != 0))
  if ((scale > 4) || (((word1 >> 5) & 0x03) != 0))
    {
    {
      invalid (word1);
      invalid (word1);
      return;
      return;
    }
    }
  scale = scale_tab[scale];
  scale = scale_tab[scale];
 
 
  switch (mode)
  switch (mode)
    {
    {
    case 4:                                             /* (reg) */
    case 4:                                             /* (reg) */
      (*info->fprintf_func)( stream, "(%s)", reg2 );
      (*info->fprintf_func)( stream, "(%s)", reg2 );
      break;
      break;
    case 5:                                             /* displ+8(ip) */
    case 5:                                             /* displ+8(ip) */
      print_addr (word2 + 8 + memaddr);
      print_addr (word2 + 8 + memaddr);
      break;
      break;
    case 7:                                             /* (reg)[index*scale] */
    case 7:                                             /* (reg)[index*scale] */
      if (scale == 1)
      if (scale == 1)
        (*info->fprintf_func) (stream, "(%s)[%s]", reg2, reg3);
        (*info->fprintf_func) (stream, "(%s)[%s]", reg2, reg3);
      else
      else
        (*info->fprintf_func) (stream, "(%s)[%s*%d]", reg2, reg3, scale);
        (*info->fprintf_func) (stream, "(%s)[%s*%d]", reg2, reg3, scale);
      break;
      break;
    case 12:                                    /* displacement */
    case 12:                                    /* displacement */
      print_addr ((bfd_vma) word2);
      print_addr ((bfd_vma) word2);
      break;
      break;
    case 13:                                    /* displ(reg) */
    case 13:                                    /* displ(reg) */
      print_addr ((bfd_vma) word2);
      print_addr ((bfd_vma) word2);
      (*info->fprintf_func) (stream, "(%s)", reg2);
      (*info->fprintf_func) (stream, "(%s)", reg2);
      break;
      break;
    case 14:                                    /* displ[index*scale] */
    case 14:                                    /* displ[index*scale] */
      print_addr ((bfd_vma) word2);
      print_addr ((bfd_vma) word2);
      if (scale == 1)
      if (scale == 1)
        (*info->fprintf_func) (stream, "[%s]", reg3);
        (*info->fprintf_func) (stream, "[%s]", reg3);
      else
      else
        (*info->fprintf_func) (stream, "[%s*%d]", reg3, scale);
        (*info->fprintf_func) (stream, "[%s*%d]", reg3, scale);
      break;
      break;
    case 15:                            /* displ(reg)[index*scale] */
    case 15:                            /* displ(reg)[index*scale] */
      print_addr ((bfd_vma) word2);
      print_addr ((bfd_vma) word2);
      if (scale == 1)
      if (scale == 1)
        (*info->fprintf_func) (stream, "(%s)[%s]", reg2, reg3);
        (*info->fprintf_func) (stream, "(%s)[%s]", reg2, reg3);
      else
      else
        (*info->fprintf_func) (stream, "(%s)[%s*%d]", reg2, reg3, scale);
        (*info->fprintf_func) (stream, "(%s)[%s*%d]", reg2, reg3, scale);
      break;
      break;
    default:
    default:
      invalid (word1);
      invalid (word1);
      return;
      return;
    }
    }
}
}
 
 
 
 
/* Register Instruction Operand.  */
/* Register Instruction Operand.  */
 
 
static void
static void
regop (mode, spec, reg, fp)
regop (mode, spec, reg, fp)
     int mode, spec, reg, fp;
     int mode, spec, reg, fp;
{
{
  if (fp)
  if (fp)
    {
    {
      /* Floating point instruction.  */
      /* Floating point instruction.  */
      if (mode == 1)
      if (mode == 1)
        {
        {
          /* FP operand.  */
          /* FP operand.  */
          switch (reg)
          switch (reg)
            {
            {
            case 0:  (*info->fprintf_func) (stream, "fp0");
            case 0:  (*info->fprintf_func) (stream, "fp0");
              break;
              break;
            case 1:  (*info->fprintf_func) (stream, "fp1");
            case 1:  (*info->fprintf_func) (stream, "fp1");
              break;
              break;
            case 2:  (*info->fprintf_func) (stream, "fp2");
            case 2:  (*info->fprintf_func) (stream, "fp2");
              break;
              break;
            case 3:  (*info->fprintf_func) (stream, "fp3");
            case 3:  (*info->fprintf_func) (stream, "fp3");
              break;
              break;
            case 16: (*info->fprintf_func) (stream, "0f0.0");
            case 16: (*info->fprintf_func) (stream, "0f0.0");
              break;
              break;
            case 22: (*info->fprintf_func) (stream, "0f1.0");
            case 22: (*info->fprintf_func) (stream, "0f1.0");
              break;
              break;
            default: (*info->fprintf_func) (stream, "?");
            default: (*info->fprintf_func) (stream, "?");
              break;
              break;
            }
            }
        }
        }
      else
      else
        {
        {
          /* Non-FP register.  */
          /* Non-FP register.  */
          (*info->fprintf_func) (stream, reg_names[reg]);
          (*info->fprintf_func) (stream, reg_names[reg]);
        }
        }
    }
    }
  else
  else
    {
    {
      /* Not floating point.  */
      /* Not floating point.  */
      if (mode == 1)
      if (mode == 1)
        {
        {
          /* Literal.  */
          /* Literal.  */
          (*info->fprintf_func) (stream, "%d", reg);
          (*info->fprintf_func) (stream, "%d", reg);
        }
        }
      else
      else
        {
        {
          /* Register.  */
          /* Register.  */
          if (spec == 0)
          if (spec == 0)
            (*info->fprintf_func) (stream, reg_names[reg]);
            (*info->fprintf_func) (stream, reg_names[reg]);
          else
          else
            (*info->fprintf_func) (stream, "sf%d", reg);
            (*info->fprintf_func) (stream, "sf%d", reg);
        }
        }
    }
    }
}
}
 
 
/* Register Instruction Destination Operand.  */
/* Register Instruction Destination Operand.  */
 
 
static void
static void
dstop (mode, reg, fp)
dstop (mode, reg, fp)
     int mode, reg, fp;
     int mode, reg, fp;
{
{
  /* 'dst' operand can't be a literal. On non-FP instructions,  register
  /* 'dst' operand can't be a literal. On non-FP instructions,  register
     mode is assumed and "m3" acts as if were "s3";  on FP-instructions,
     mode is assumed and "m3" acts as if were "s3";  on FP-instructions,
     sf registers are not allowed so m3 acts normally.  */
     sf registers are not allowed so m3 acts normally.  */
  if (fp)
  if (fp)
    regop (mode, 0, reg, fp);
    regop (mode, 0, reg, fp);
  else
  else
    regop (0, mode, reg, fp);
    regop (0, mode, reg, fp);
}
}
 
 
static void
static void
invalid (word1)
invalid (word1)
     int word1;
     int word1;
{
{
  (*info->fprintf_func) (stream, ".word\t0x%08x", (unsigned) word1);
  (*info->fprintf_func) (stream, ".word\t0x%08x", (unsigned) word1);
}
}
 
 
static void
static void
print_addr (a)
print_addr (a)
     bfd_vma a;
     bfd_vma a;
{
{
  (*info->print_address_func) (a, info);
  (*info->print_address_func) (a, info);
}
}
 
 
static void
static void
put_abs (word1, word2)
put_abs (word1, word2)
     unsigned long word1 ATTRIBUTE_UNUSED;
     unsigned long word1 ATTRIBUTE_UNUSED;
     unsigned long word2 ATTRIBUTE_UNUSED;
     unsigned long word2 ATTRIBUTE_UNUSED;
{
{
#ifdef IN_GDB
#ifdef IN_GDB
  return;
  return;
#else
#else
  int len;
  int len;
 
 
  switch ((word1 >> 28) & 0xf)
  switch ((word1 >> 28) & 0xf)
    {
    {
    case 0x8:
    case 0x8:
    case 0x9:
    case 0x9:
    case 0xa:
    case 0xa:
    case 0xb:
    case 0xb:
    case 0xc:
    case 0xc:
      /* MEM format instruction.  */
      /* MEM format instruction.  */
      len = mem (0, word1, word2, 1);
      len = mem (0, word1, word2, 1);
      break;
      break;
    default:
    default:
      len = 4;
      len = 4;
      break;
      break;
    }
    }
 
 
  if (len == 8)
  if (len == 8)
    (*info->fprintf_func) (stream, "%08x %08x\t", word1, word2);
    (*info->fprintf_func) (stream, "%08x %08x\t", word1, word2);
  else
  else
    (*info->fprintf_func) (stream, "%08x         \t", word1);
    (*info->fprintf_func) (stream, "%08x         \t", word1);
#endif
#endif
}
}
 
 

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