[deliverable/binutils-gdb.git] / opcodes / a29k-dis.c

/* Instruction printing code for the AMD 29000
   Copyright (C) 1990 Free Software Foundation, Inc.
   Contributed by Cygnus Support.  Written by Jim Kingdon.

This file is part of GDB.

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 2 of the License, 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., 675 Mass Ave, Cambridge, MA 02139, USA.  */

#include "dis-asm.h"
#include "opcode/a29k.h"

/* Print a symbolic representation of a general-purpose
   register number NUM on STREAM.
   NUM is a number as found in the instruction, not as found in
   debugging symbols; it must be in the range 0-255.  */
static void
print_general (num, info)
     int num;
     struct disassemble_info *info;
{
  if (num < 128)
    (*info->fprintf_func) (info->stream, "gr%d", num);
  else
    (*info->fprintf_func) (info->stream, "lr%d", num - 128);
}

/* Like print_general but a special-purpose register.
   
   The mnemonics used by the AMD assembler are not quite the same
   as the ones in the User's Manual.  We use the ones that the
   assembler uses.  */
static void
print_special (num, info)
     int num;
     struct disassemble_info *info;
{
  /* Register names of registers 0-SPEC0_NUM-1.  */
  static char *spec0_names[] = {
    "vab", "ops", "cps", "cfg", "cha", "chd", "chc", "rbp", "tmc", "tmr",
    "pc0", "pc1", "pc2", "mmu", "lru"
    };
#define SPEC0_NUM ((sizeof spec0_names) / (sizeof spec0_names[0]))

  /* Register names of registers 128-128+SPEC128_NUM-1.  */
  static char *spec128_names[] = {
    "ipc", "ipa", "ipb", "q", "alu", "bp", "fc", "cr"
    };
#define SPEC128_NUM ((sizeof spec128_names) / (sizeof spec128_names[0]))

  /* Register names of registers 160-160+SPEC160_NUM-1.  */
  static char *spec160_names[] = {
    "fpe", "inte", "fps", "sr163", "exop"
    };
#define SPEC160_NUM ((sizeof spec160_names) / (sizeof spec160_names[0]))

  if (num < SPEC0_NUM)
    (*info->fprintf_func) (info->stream, spec0_names[num]);
  else if (num >= 128 && num < 128 + SPEC128_NUM)
    (*info->fprintf_func) (info->stream, spec128_names[num-128]);
  else if (num >= 160 && num < 160 + SPEC160_NUM)
    (*info->fprintf_func) (info->stream, spec160_names[num-160]);
  else
    (*info->fprintf_func) (info->stream, "sr%d", num);
}

/* Is an instruction with OPCODE a delayed branch?  */
static int
is_delayed_branch (opcode)
     int opcode;
{
  return (opcode == 0xa8 || opcode == 0xa9 || opcode == 0xa0 || opcode == 0xa1
	  || opcode == 0xa4 || opcode == 0xa5
	  || opcode == 0xb4 || opcode == 0xb5
	  || opcode == 0xc4 || opcode == 0xc0
	  || opcode == 0xac || opcode == 0xad
	  || opcode == 0xcc);
}

/* Now find the four bytes of INSN and put them in *INSN{0,8,16,24}.  */
static void
find_bytes_big (insn, insn0, insn8, insn16, insn24)
     char *insn;
     unsigned char *insn0;
     unsigned char *insn8;
     unsigned char *insn16;
     unsigned char *insn24;
{
  *insn24 = insn[0];
  *insn16 = insn[1];
  *insn8  = insn[2];
  *insn0  = insn[3];
}

static void
find_bytes_little (insn, insn0, insn8, insn16, insn24)
     char *insn;
     unsigned char *insn0;
     unsigned char *insn8;
     unsigned char *insn16;
     unsigned char *insn24;
{
  *insn24 = insn[3];
  *insn16 = insn[2];
  *insn8 = insn[1];
  *insn0 = insn[0];
}

typedef (*find_byte_func_type)
     PARAMS ((char *, unsigned char *, unsigned char *,
	      unsigned char *, unsigned char *));

/* Print one instruction from MEMADDR on STREAM.
   Return the size of the instruction (always 4 on a29k).  */
static int
print_insn (memaddr, info)
     bfd_vma memaddr;
     struct disassemble_info *info;
{
  /* The raw instruction.  */
  char insn[4];

  /* The four bytes of the instruction.  */
  unsigned char insn24, insn16, insn8, insn0;

  find_byte_func_type find_byte_func = (find_byte_func_type)info->private_data;

  struct a29k_opcode CONST * opcode;

  {
    int status =
      (*info->read_memory_func) (memaddr, (bfd_byte *) &insn[0], 4, info);
    if (status != 0)
      {
	(*info->memory_error_func) (status, memaddr, info);
	return -1;
      }
  }

  (*find_byte_func) (insn, &insn0, &insn8, &insn16, &insn24);

  /* Handle the nop (aseq 0x40,gr1,gr1) specially */
  if ((insn24==0x70) && (insn16==0x40) && (insn8==0x01) && (insn0==0x01)) {
    (*info->fprintf_func) (info->stream,"nop");
    return 4;
  }

  /* The opcode is always in insn24.  */
  for (opcode = &a29k_opcodes[0];
       opcode < &a29k_opcodes[num_opcodes];
       ++opcode)
    {
      if ((insn24<<24) == opcode->opcode)
	{
	  char *s;
	  
	  (*info->fprintf_func) (info->stream, "%s ", opcode->name);
	  for (s = opcode->args; *s != '\0'; ++s)
	    {
	      switch (*s)
		{
		case 'a':
		  print_general (insn8, info);
		  break;
		  
		case 'b':
		  print_general (insn0, info);
		  break;

		case 'c':
		  print_general (insn16, info);
		  break;

		case 'i':
		  (*info->fprintf_func) (info->stream, "%d", insn0);
		  break;

		case 'x':
		  (*info->fprintf_func) (info->stream, "%d", (insn16 << 8) + insn0);
		  break;

		case 'h':
		  /* This used to be %x for binutils.  */
		  (*info->fprintf_func) (info->stream, "0x%x",
				    (insn16 << 24) + (insn0 << 16));
		  break;

		case 'X':
		  (*info->fprintf_func) (info->stream, "%d",
				    ((insn16 << 8) + insn0) | 0xffff0000);
		  break;

		case 'P':
		  /* This output looks just like absolute addressing, but
		     maybe that's OK (it's what the GDB m68k and EBMON
		     a29k disassemblers do).  */
		  /* All the shifting is to sign-extend it.  p*/
		  (*info->print_address_func)
		    (memaddr +
		     (((int)((insn16 << 10) + (insn0 << 2)) << 14) >> 14),
		     info);
		  break;

		case 'A':
		  (*info->print_address_func)
		    ((insn16 << 10) + (insn0 << 2), info);
		  break;

		case 'e':
		  (*info->fprintf_func) (info->stream, "%d", insn16 >> 7);
		  break;

		case 'n':
		  (*info->fprintf_func) (info->stream, "0x%x", insn16 & 0x7f);
		  break;

		case 'v':
		  (*info->fprintf_func) (info->stream, "0x%x", insn16);
		  break;

		case 's':
		  print_special (insn8, info);
		  break;

		case 'u':
		  (*info->fprintf_func) (info->stream, "%d", insn0 >> 7);
		  break;

		case 'r':
		  (*info->fprintf_func) (info->stream, "%d", (insn0 >> 4) & 7);
		  break;

		case 'd':
		  (*info->fprintf_func) (info->stream, "%d", (insn0 >> 2) & 3);
		  break;

		case 'f':
		  (*info->fprintf_func) (info->stream, "%d", insn0 & 3);
		  break;

		case 'F':
		  (*info->fprintf_func) (info->stream, "%d", (insn16 >> 2) & 15);
		  break;

		case 'C':
		  (*info->fprintf_func) (info->stream, "%d", insn16 & 3);
		  break;

		default:
		  (*info->fprintf_func) (info->stream, "%c", *s);
		}
	    }

	  /* Now we look for a const,consth pair of instructions,
	     in which case we try to print the symbolic address.  */
	  if (insn24 == 2)  /* consth */
	    {
	      int errcode;
	      char prev_insn[4];
	      unsigned char prev_insn0, prev_insn8, prev_insn16, prev_insn24;
	      
	      errcode = (*info->read_memory_func) (memaddr - 4,
						   (bfd_byte *) &prev_insn[0],
						   4,
						   info);
	      if (errcode == 0)
		{
		  /* If it is a delayed branch, we need to look at the
		     instruction before the delayed brach to handle
		     things like
		     
		     const _foo
		     call _printf
		     consth _foo
		     */
		  (*find_byte_func) (prev_insn, &prev_insn0, &prev_insn8,
				     &prev_insn16, &prev_insn24);
		  if (is_delayed_branch (prev_insn24))
		    {
		      errcode = (*info->read_memory_func)
			(memaddr - 8, (bfd_byte *) &prev_insn[0], 4, info);
		      (*find_byte_func) (prev_insn, &prev_insn0, &prev_insn8,
					 &prev_insn16, &prev_insn24);
		    }
		}
		  
	      /* If there was a problem reading memory, then assume
		 the previous instruction was not const.  */
	      if (errcode == 0)
		{
		  /* Is it const to the same register?  */
		  if (prev_insn24 == 3
		      && prev_insn8 == insn8)
		    {
		      (*info->fprintf_func) (info->stream, "\t; ");
		      (*info->print_address_func)
			(((insn16 << 24) + (insn0 << 16)
			  + (prev_insn16 << 8) + (prev_insn0)),
			 info);
		    }
		}
	    }

	  return 4;
	}
    }
  /* This used to be %8x for binutils.  */
  (*info->fprintf_func)
    (info->stream, ".word 0x%8x",
     (insn24 << 24) + (insn16 << 16) + (insn8 << 8) + insn0);
  return 4;
}

/* Disassemble an big-endian a29k instruction.  */
int
print_insn_big_a29k (memaddr, info)
     bfd_vma memaddr;
     struct disassemble_info *info;
{
  info->private_data = (PTR) find_bytes_big;
  return print_insn (memaddr, info);
}

/* Disassemble a little-endian a29k instruction.  */
int
print_insn_little_a29k (memaddr, info)
     bfd_vma memaddr;
     struct disassemble_info *info;
{
  info->private_data = (PTR) find_bytes_little;
  return print_insn (memaddr, info);
}
Commit	Line	Data
2013f9b4 SC	1	/* Instruction printing code for the AMD 29000
	2	Copyright (C) 1990 Free Software Foundation, Inc.
	3	Contributed by Cygnus Support. Written by Jim Kingdon.
	4
	5	This file is part of GDB.
	6
	7	This program is free software; you can redistribute it and/or modify
	8	it under the terms of the GNU General Public License as published by
720b3aed JK	9	the Free Software Foundation; either version 2 of the License, or
720b3aed JK	10	(at your option) any later version.
2013f9b4 SC	11
	12	This program is distributed in the hope that it will be useful,
	13	but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	15	GNU General Public License for more details.
	16
	17	You should have received a copy of the GNU General Public License
720b3aed JK	18	along with this program; if not, write to the Free Software
720b3aed JK	19	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
2013f9b4	20
720b3aed JK	21	#include "dis-asm.h"
720b3aed JK	22	#include "opcode/a29k.h"
2013f9b4 SC	23
	24	/* Print a symbolic representation of a general-purpose
	25	register number NUM on STREAM.
	26	NUM is a number as found in the instruction, not as found in
	27	debugging symbols; it must be in the range 0-255. */
	28	static void
720b3aed	29	print_general (num, info)
2013f9b4	30	int num;
720b3aed	31	struct disassemble_info *info;
2013f9b4 SC	32	{
2013f9b4 SC	33	if (num < 128)
720b3aed	34	(*info->fprintf_func) (info->stream, "gr%d", num);
2013f9b4	35	else
720b3aed	36	(*info->fprintf_func) (info->stream, "lr%d", num - 128);
2013f9b4 SC	37	}
	38
	39	/* Like print_general but a special-purpose register.
	40
	41	The mnemonics used by the AMD assembler are not quite the same
	42	as the ones in the User's Manual. We use the ones that the
	43	assembler uses. */
	44	static void
720b3aed	45	print_special (num, info)
2013f9b4	46	int num;
720b3aed	47	struct disassemble_info *info;
2013f9b4 SC	48	{
	49	/* Register names of registers 0-SPEC0_NUM-1. */
	50	static char *spec0_names[] = {
	51	"vab", "ops", "cps", "cfg", "cha", "chd", "chc", "rbp", "tmc", "tmr",
	52	"pc0", "pc1", "pc2", "mmu", "lru"
	53	};
	54	#define SPEC0_NUM ((sizeof spec0_names) / (sizeof spec0_names[0]))
	55
	56	/* Register names of registers 128-128+SPEC128_NUM-1. */
	57	static char *spec128_names[] = {
	58	"ipc", "ipa", "ipb", "q", "alu", "bp", "fc", "cr"
	59	};
	60	#define SPEC128_NUM ((sizeof spec128_names) / (sizeof spec128_names[0]))
	61
	62	/* Register names of registers 160-160+SPEC160_NUM-1. */
	63	static char *spec160_names[] = {
	64	"fpe", "inte", "fps", "sr163", "exop"
	65	};
	66	#define SPEC160_NUM ((sizeof spec160_names) / (sizeof spec160_names[0]))
	67
	68	if (num < SPEC0_NUM)
720b3aed	69	(*info->fprintf_func) (info->stream, spec0_names[num]);
2013f9b4	70	else if (num >= 128 && num < 128 + SPEC128_NUM)
720b3aed	71	(*info->fprintf_func) (info->stream, spec128_names[num-128]);
2013f9b4	72	else if (num >= 160 && num < 160 + SPEC160_NUM)
720b3aed	73	(*info->fprintf_func) (info->stream, spec160_names[num-160]);
2013f9b4	74	else
720b3aed	75	(*info->fprintf_func) (info->stream, "sr%d", num);
2013f9b4 SC	76	}
	77
	78	/* Is an instruction with OPCODE a delayed branch? */
	79	static int
	80	is_delayed_branch (opcode)
	81	int opcode;
	82	{
	83	return (opcode == 0xa8 \|\| opcode == 0xa9 \|\| opcode == 0xa0 \|\| opcode == 0xa1
	84	\|\| opcode == 0xa4 \|\| opcode == 0xa5
	85	\|\| opcode == 0xb4 \|\| opcode == 0xb5
	86	\|\| opcode == 0xc4 \|\| opcode == 0xc0
	87	\|\| opcode == 0xac \|\| opcode == 0xad
	88	\|\| opcode == 0xcc);
	89	}
	90
720b3aed	91	/* Now find the four bytes of INSN and put them in INSN{0,8,16,24}. /
2013f9b4	92	static void
720b3aed	93	find_bytes_big (insn, insn0, insn8, insn16, insn24)
2013f9b4 SC	94	char *insn;
	95	unsigned char *insn0;
	96	unsigned char *insn8;
	97	unsigned char *insn16;
	98	unsigned char *insn24;
	99	{
2013f9b4 SC	100	*insn24 = insn[0];
	101	*insn16 = insn[1];
	102	*insn8 = insn[2];
	103	*insn0 = insn[3];
720b3aed JK	104	}
	105
	106	static void
	107	find_bytes_little (insn, insn0, insn8, insn16, insn24)
	108	char *insn;
	109	unsigned char *insn0;
	110	unsigned char *insn8;
	111	unsigned char *insn16;
	112	unsigned char *insn24;
	113	{
2013f9b4 SC	114	*insn24 = insn[3];
	115	*insn16 = insn[2];
	116	*insn8 = insn[1];
	117	*insn0 = insn[0];
2013f9b4 SC	118	}
2013f9b4 SC	119
720b3aed JK	120	typedef (*find_byte_func_type)
	121	PARAMS ((char , unsigned char , unsigned char *,
	122	unsigned char , unsigned char ));
	123
2013f9b4	124	/* Print one instruction from MEMADDR on STREAM.
720b3aed JK	125	Return the size of the instruction (always 4 on a29k). */
	126	static int
	127	print_insn (memaddr, info)
2013f9b4	128	bfd_vma memaddr;
720b3aed	129	struct disassemble_info *info;
2013f9b4 SC	130	{
	131	/* The raw instruction. */
	132	char insn[4];
	133
	134	/* The four bytes of the instruction. */
	135	unsigned char insn24, insn16, insn8, insn0;
2013f9b4	136
720b3aed JK	137	find_byte_func_type find_byte_func = (find_byte_func_type)info->private_data;
720b3aed JK	138
e9aff87e	139	struct a29k_opcode CONST * opcode;
2013f9b4	140
720b3aed JK	141	{
720b3aed JK	142	int status =
0e57a495	143	(info->read_memory_func) (memaddr, (bfd_byte ) &insn[0], 4, info);
720b3aed JK	144	if (status != 0)
	145	{
	146	(*info->memory_error_func) (status, memaddr, info);
	147	return -1;
	148	}
	149	}
	150
	151	(*find_byte_func) (insn, &insn0, &insn8, &insn16, &insn24);
2013f9b4 SC	152
	153	/* Handle the nop (aseq 0x40,gr1,gr1) specially */
	154	if ((insn24==0x70) && (insn16==0x40) && (insn8==0x01) && (insn0==0x01)) {
720b3aed	155	(*info->fprintf_func) (info->stream,"nop");
2013f9b4 SC	156	return 4;
	157	}
	158
2013f9b4	159	/* The opcode is always in insn24. */
720b3aed JK	160	for (opcode = &a29k_opcodes[0];
720b3aed JK	161	opcode < &a29k_opcodes[num_opcodes];
2013f9b4 SC	162	++opcode)
2013f9b4 SC	163	{
720b3aed	164	if ((insn24<<24) == opcode->opcode)
2013f9b4 SC	165	{
	166	char *s;
	167
720b3aed	168	(*info->fprintf_func) (info->stream, "%s ", opcode->name);
2013f9b4 SC	169	for (s = opcode->args; *s != '\0'; ++s)
	170	{
	171	switch (*s)
	172	{
	173	case 'a':
720b3aed	174	print_general (insn8, info);
2013f9b4 SC	175	break;
	176
	177	case 'b':
720b3aed	178	print_general (insn0, info);
2013f9b4 SC	179	break;
	180
	181	case 'c':
720b3aed	182	print_general (insn16, info);
2013f9b4 SC	183	break;
	184
	185	case 'i':
720b3aed	186	(*info->fprintf_func) (info->stream, "%d", insn0);
2013f9b4 SC	187	break;
	188
	189	case 'x':
720b3aed	190	(*info->fprintf_func) (info->stream, "%d", (insn16 << 8) + insn0);
2013f9b4 SC	191	break;
	192
	193	case 'h':
720b3aed JK	194	/* This used to be %x for binutils. */
720b3aed JK	195	(*info->fprintf_func) (info->stream, "0x%x",
2013f9b4 SC	196	(insn16 << 24) + (insn0 << 16));
	197	break;
	198
	199	case 'X':
720b3aed	200	(*info->fprintf_func) (info->stream, "%d",
2013f9b4 SC	201	((insn16 << 8) + insn0) \| 0xffff0000);
	202	break;
	203
	204	case 'P':
	205	/* This output looks just like absolute addressing, but
720b3aed JK	206	maybe that's OK (it's what the GDB m68k and EBMON
720b3aed JK	207	a29k disassemblers do). */
2013f9b4	208	/* All the shifting is to sign-extend it. p*/
720b3aed	209	(*info->print_address_func)
2013f9b4 SC	210	(memaddr +
2013f9b4 SC	211	(((int)((insn16 << 10) + (insn0 << 2)) << 14) >> 14),
720b3aed	212	info);
2013f9b4 SC	213	break;
	214
	215	case 'A':
720b3aed JK	216	(*info->print_address_func)
720b3aed JK	217	((insn16 << 10) + (insn0 << 2), info);
2013f9b4 SC	218	break;
	219
	220	case 'e':
720b3aed	221	(*info->fprintf_func) (info->stream, "%d", insn16 >> 7);
2013f9b4 SC	222	break;
	223
	224	case 'n':
720b3aed	225	(*info->fprintf_func) (info->stream, "0x%x", insn16 & 0x7f);
2013f9b4 SC	226	break;
	227
	228	case 'v':
720b3aed	229	(*info->fprintf_func) (info->stream, "0x%x", insn16);
2013f9b4 SC	230	break;
	231
	232	case 's':
720b3aed	233	print_special (insn8, info);
2013f9b4 SC	234	break;
	235
	236	case 'u':
720b3aed	237	(*info->fprintf_func) (info->stream, "%d", insn0 >> 7);
2013f9b4 SC	238	break;
	239
	240	case 'r':
720b3aed	241	(*info->fprintf_func) (info->stream, "%d", (insn0 >> 4) & 7);
2013f9b4 SC	242	break;
	243
	244	case 'd':
720b3aed	245	(*info->fprintf_func) (info->stream, "%d", (insn0 >> 2) & 3);
2013f9b4 SC	246	break;
	247
	248	case 'f':
720b3aed	249	(*info->fprintf_func) (info->stream, "%d", insn0 & 3);
2013f9b4 SC	250	break;
	251
	252	case 'F':
720b3aed	253	(*info->fprintf_func) (info->stream, "%d", (insn16 >> 2) & 15);
2013f9b4 SC	254	break;
	255
	256	case 'C':
720b3aed	257	(*info->fprintf_func) (info->stream, "%d", insn16 & 3);
2013f9b4 SC	258	break;
	259
	260	default:
720b3aed	261	(info->fprintf_func) (info->stream, "%c", s);
2013f9b4 SC	262	}
	263	}
	264
	265	/* Now we look for a const,consth pair of instructions,
	266	in which case we try to print the symbolic address. */
	267	if (insn24 == 2) /* consth */
	268	{
	269	int errcode;
	270	char prev_insn[4];
	271	unsigned char prev_insn0, prev_insn8, prev_insn16, prev_insn24;
	272
720b3aed	273	errcode = (*info->read_memory_func) (memaddr - 4,
0e57a495	274	(bfd_byte *) &prev_insn[0],
720b3aed JK	275	4,
720b3aed JK	276	info);
2013f9b4 SC	277	if (errcode == 0)
	278	{
	279	/* If it is a delayed branch, we need to look at the
	280	instruction before the delayed brach to handle
	281	things like
	282
	283	const _foo
	284	call _printf
	285	consth _foo
	286	*/
720b3aed JK	287	(*find_byte_func) (prev_insn, &prev_insn0, &prev_insn8,
720b3aed JK	288	&prev_insn16, &prev_insn24);
2013f9b4 SC	289	if (is_delayed_branch (prev_insn24))
2013f9b4 SC	290	{
720b3aed	291	errcode = (*info->read_memory_func)
0e57a495	292	(memaddr - 8, (bfd_byte *) &prev_insn[0], 4, info);
720b3aed JK	293	(*find_byte_func) (prev_insn, &prev_insn0, &prev_insn8,
720b3aed JK	294	&prev_insn16, &prev_insn24);
2013f9b4 SC	295	}
	296	}
	297
	298	/* If there was a problem reading memory, then assume
	299	the previous instruction was not const. */
	300	if (errcode == 0)
	301	{
	302	/* Is it const to the same register? */
	303	if (prev_insn24 == 3
	304	&& prev_insn8 == insn8)
	305	{
720b3aed JK	306	(*info->fprintf_func) (info->stream, "\t; ");
	307	(*info->print_address_func)
	308	(((insn16 << 24) + (insn0 << 16)
	309	+ (prev_insn16 << 8) + (prev_insn0)),
	310	info);
2013f9b4 SC	311	}
	312	}
	313	}
	314
	315	return 4;
	316	}
	317	}
720b3aed JK	318	/* This used to be %8x for binutils. */
	319	(*info->fprintf_func)
	320	(info->stream, ".word 0x%8x",
	321	(insn24 << 24) + (insn16 << 16) + (insn8 << 8) + insn0);
2013f9b4 SC	322	return 4;
2013f9b4 SC	323	}
720b3aed JK	324
	325	/* Disassemble an big-endian a29k instruction. */
	326	int
	327	print_insn_big_a29k (memaddr, info)
	328	bfd_vma memaddr;
	329	struct disassemble_info *info;
	330	{
	331	info->private_data = (PTR) find_bytes_big;
	332	return print_insn (memaddr, info);
	333	}
	334
	335	/* Disassemble a little-endian a29k instruction. */
	336	int
	337	print_insn_little_a29k (memaddr, info)
	338	bfd_vma memaddr;
	339	struct disassemble_info *info;
	340	{
	341	info->private_data = (PTR) find_bytes_little;
	342	return print_insn (memaddr, info);
	343	}