/* Disassemble h8300 instructions.
- Copyright 1993, 1994, 1996, 1998, 2000, 2001, 2002, 2003, 2004
- Free Software Foundation, Inc.
+ Copyright (C) 1993-2020 Free Software Foundation, Inc.
- This program is free software; you can redistribute it and/or modify
+ This file is part of the GNU opcodes library.
+
+ This library 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.
+ 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.
+ It 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. */
+ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+ MA 02110-1301, USA. */
#define DEFINE_TABLE
#include "sysdep.h"
#define h8_opcodes h8ops
#include "opcode/h8300.h"
-#include "dis-asm.h"
+#include "disassemble.h"
#include "opintl.h"
#include "libiberty.h"
struct h8_instruction
{
- int length;
+ unsigned int length;
const struct h8_opcode *opcode;
};
struct h8_instruction *h8_instructions;
-static void bfd_h8_disassemble_init PARAMS ((void));
-static void print_one_arg PARAMS ((disassemble_info *, bfd_vma, op_type,
- int, int, int, int, const char **, int));
-static unsigned int bfd_h8_disassemble PARAMS ((bfd_vma,
- disassemble_info *,
- int));
-static void extract_immediate PARAMS ((FILE *,
- op_type, int,
- unsigned char *,
- int *, int *,
- const struct h8_opcode *));
-
/* Run through the opcodes and sort them into order to make them easy
to disassemble. */
static void
-bfd_h8_disassemble_init ()
+bfd_h8_disassemble_init (void)
{
unsigned int i;
unsigned int nopcodes;
nopcodes = sizeof (h8_opcodes) / sizeof (struct h8_opcode);
- h8_instructions = (struct h8_instruction *)
- xmalloc (nopcodes * sizeof (struct h8_instruction));
+ h8_instructions = xmalloc (nopcodes * sizeof (struct h8_instruction));
for (p = h8_opcodes, pi = h8_instructions; p->name; p++, pi++)
{
- int n1 = 0;
- int n2 = 0;
-
- if ((int) p->data.nib[0] < 16)
- n1 = (int) p->data.nib[0];
- else
- n1 = 0;
-
- if ((int) p->data.nib[1] < 16)
- n2 = (int) p->data.nib[1];
- else
- n2 = 0;
-
/* Just make sure there are an even number of nibbles in it, and
that the count is the same as the length. */
for (i = 0; p->data.nib[i] != (op_type) E; i++)
;
-
- if (i & 1)
- {
- fprintf (stderr, "Internal error, h8_disassemble_init.\n");
- abort ();
- }
+ OPCODES_ASSERT (!(i & 1));
pi->length = i / 2;
pi->opcode = p;
}
static void
-extract_immediate (stream, looking_for, thisnib, data, cst, len, q)
- FILE *stream;
- op_type looking_for;
- int thisnib;
- unsigned char *data;
- int *cst, *len;
- const struct h8_opcode *q;
+extract_immediate (FILE *stream,
+ op_type looking_for,
+ int thisnib,
+ unsigned char *data,
+ int *cst,
+ int *len,
+ const struct h8_opcode *q)
{
switch (looking_for & SIZE)
{
/* DISP2 special treatment. */
if ((looking_for & MODE) == DISP)
{
- if (OP_KIND (q->how) == O_MOVAB ||
- OP_KIND (q->how) == O_MOVAW ||
- OP_KIND (q->how) == O_MOVAL)
+ if (OP_KIND (q->how) == O_MOVAB
+ || OP_KIND (q->how) == O_MOVAW
+ || OP_KIND (q->how) == O_MOVAL)
{
/* Handling for mova insn. */
- switch (q->args.nib[0] & MODE) {
- case INDEXB:
- default:
- break;
- case INDEXW:
- *cst *= 2;
- break;
- case INDEXL:
- *cst *= 4;
- break;
- }
+ switch (q->args.nib[0] & MODE)
+ {
+ case INDEXB:
+ default:
+ break;
+ case INDEXW:
+ *cst *= 2;
+ break;
+ case INDEXL:
+ *cst *= 4;
+ break;
+ }
}
else
{
/* Handling for non-mova insn. */
- switch (OP_SIZE (q->how)) {
- default: break;
- case SW:
- *cst *= 2;
- break;
- case SL:
- *cst *= 4;
- break;
- }
+ switch (OP_SIZE (q->how))
+ {
+ default: break;
+ case SW:
+ *cst *= 2;
+ break;
+ case SL:
+ *cst *= 4;
+ break;
+ }
}
}
break;
*cst = (data[0] << 8) + data [1];
#if 0
if ((looking_for & SIZE) == L_16)
- *cst = (short) *cst; /* sign extend */
+ *cst = (short) *cst; /* Sign extend. */
#endif
break;
case L_32:
*len = 32;
- *cst = (data[0] << 24) + (data[1] << 16) + (data[2] << 8) + data[3];
+ *cst = (((unsigned) data[0] << 24) + (data[1] << 16)
+ + (data[2] << 8) + data[3]);
break;
default:
*len = 0;
};
static void
-print_one_arg (info, addr, x, cst, cstlen, rdisp_n, rn, pregnames, len)
- disassemble_info *info;
- bfd_vma addr;
- op_type x;
- int cst, cstlen, rdisp_n, rn;
- const char **pregnames;
- int len;
+print_one_arg (disassemble_info *info,
+ bfd_vma addr,
+ op_type x,
+ int cst,
+ int cstlen,
+ int rdisp_n,
+ int rn,
+ const char **pregnames,
+ int len)
{
- void *stream = info->stream;
+ void * stream = info->stream;
fprintf_ftype outfn = info->fprintf_func;
- if ((x & SIZE) == L_3 ||
- (x & SIZE) == L_3NZ)
- {
- outfn (stream, "#0x%x", (unsigned) cst);
- }
+ if ((x & SIZE) == L_3 || (x & SIZE) == L_3NZ)
+ outfn (stream, "#0x%x", (unsigned) cst);
else if ((x & MODE) == IMM)
- {
- outfn (stream, "#0x%x", (unsigned) cst);
- }
- else if ((x & MODE) == DBIT ||
- (x & MODE) == KBIT)
- {
- outfn (stream, "#%d", (unsigned) cst);
- }
+ outfn (stream, "#0x%x", (unsigned) cst);
+ else if ((x & MODE) == DBIT || (x & MODE) == KBIT)
+ outfn (stream, "#%d", (unsigned) cst);
else if ((x & MODE) == CONST_2)
outfn (stream, "#2");
else if ((x & MODE) == CONST_4)
}
}
else if ((x & MODE) == POSTINC)
- {
- outfn (stream, "@%s+", pregnames[rn]);
- }
+ outfn (stream, "@%s+", pregnames[rn]);
+
else if ((x & MODE) == POSTDEC)
- {
- outfn (stream, "@%s-", pregnames[rn]);
- }
+ outfn (stream, "@%s-", pregnames[rn]);
+
else if ((x & MODE) == PREINC)
- {
- outfn (stream, "@+%s", pregnames[rn]);
- }
+ outfn (stream, "@+%s", pregnames[rn]);
+
else if ((x & MODE) == PREDEC)
- {
- outfn (stream, "@-%s", pregnames[rn]);
- }
+ outfn (stream, "@-%s", pregnames[rn]);
+
else if ((x & MODE) == IND)
- {
- outfn (stream, "@%s", pregnames[rn]);
- }
+ outfn (stream, "@%s", pregnames[rn]);
+
else if ((x & MODE) == ABS || (x & ABSJMP))
- {
- outfn (stream, "@0x%x:%d", (unsigned) cst, cstlen);
- }
+ outfn (stream, "@0x%x:%d", (unsigned) cst, cstlen);
+
else if ((x & MODE) == MEMIND)
- {
- outfn (stream, "@@%d (0x%x)", cst, cst);
- }
+ outfn (stream, "@@%d (0x%x)", cst, cst);
+
else if ((x & MODE) == VECIND)
{
/* FIXME Multiplier should be 2 or 4, depending on processor mode,
if ((x & SIZE) == L_16 ||
(x & SIZE) == L_16U)
{
- outfn (stream, ".%s%d (0x%x)",
+ outfn (stream, ".%s%d (0x%lx)",
(short) cst > 0 ? "+" : "",
- (short) cst,
- addr + (short) cst + len);
+ (short) cst,
+ (long)(addr + (short) cst + len));
}
else
{
- outfn (stream, ".%s%d (0x%x)",
+ outfn (stream, ".%s%d (0x%lx)",
(char) cst > 0 ? "+" : "",
- (char) cst,
- addr + (char) cst + len);
+ (char) cst,
+ (long)(addr + (char) cst + len));
}
}
else if ((x & MODE) == DISP)
- {
- outfn (stream, "@(0x%x:%d,%s)", cst, cstlen,
- pregnames[rdisp_n]);
- }
+ outfn (stream, "@(0x%x:%d,%s)", cst, cstlen, pregnames[rdisp_n]);
+
else if ((x & MODE) == INDEXB)
- {
- /* Always take low half of reg. */
- outfn (stream, "@(0x%x:%d,%s.b)", cst, cstlen,
- regnames[rdisp_n < 8 ? rdisp_n + 8 : rdisp_n]);
- }
+ /* Always take low half of reg. */
+ outfn (stream, "@(0x%x:%d,%s.b)", cst, cstlen,
+ regnames[rdisp_n < 8 ? rdisp_n + 8 : rdisp_n]);
+
else if ((x & MODE) == INDEXW)
- {
- /* Always take low half of reg. */
- outfn (stream, "@(0x%x:%d,%s.w)", cst, cstlen,
- wregnames[rdisp_n < 8 ? rdisp_n : rdisp_n - 8]);
- }
+ /* Always take low half of reg. */
+ outfn (stream, "@(0x%x:%d,%s.w)", cst, cstlen,
+ wregnames[rdisp_n < 8 ? rdisp_n : rdisp_n - 8]);
+
else if ((x & MODE) == INDEXL)
- {
- outfn (stream, "@(0x%x:%d,%s.l)", cst, cstlen,
- lregnames[rdisp_n]);
- }
+ outfn (stream, "@(0x%x:%d,%s.l)", cst, cstlen, lregnames[rdisp_n]);
+
else if (x & CTRL)
- {
- outfn (stream, cregnames[rn]);
- }
+ outfn (stream, "%s", cregnames[rn]);
+
else if ((x & MODE) == CCR)
- {
- outfn (stream, "ccr");
- }
+ outfn (stream, "ccr");
+
else if ((x & MODE) == EXR)
- {
- outfn (stream, "exr");
- }
+ outfn (stream, "exr");
+
else if ((x & MODE) == MACREG)
- {
- outfn (stream, "mac%c", cst ? 'l' : 'h');
- }
+ outfn (stream, "mac%c", cst ? 'l' : 'h');
+
else
/* xgettext:c-format */
outfn (stream, _("Hmmmm 0x%x"), x);
}
static unsigned int
-bfd_h8_disassemble (addr, info, mach)
- bfd_vma addr;
- disassemble_info *info;
- int mach;
+bfd_h8_disassemble (bfd_vma addr, disassemble_info *info, int mach)
{
/* Find the first entry in the table for this opcode. */
int regno[3] = { 0, 0, 0 };
const struct h8_instruction *qi;
char const **pregnames = mach != 0 ? lregnames : wregnames;
int status;
- unsigned int l;
- unsigned char data[MAX_CODE_NIBBLES];
+ unsigned int maxlen;
+ unsigned char data[MAX_CODE_NIBBLES / 2];
void *stream = info->stream;
fprintf_ftype outfn = info->fprintf_func;
return -1;
}
- for (l = 2; status == 0 && l < sizeof (data) / 2; l += 2)
- status = info->read_memory_func (addr + l, data + l, 2, info);
+ for (maxlen = 2; maxlen < sizeof (data); maxlen += 2)
+ {
+ status = info->read_memory_func (addr + maxlen, data + maxlen, 2, info);
+ if (status != 0)
+ break;
+ }
/* Find the exact opcode/arg combo. */
for (qi = h8_instructions; qi->opcode->name; qi++)
{
- const struct h8_opcode *q = qi->opcode;
- op_type *nib = q->data.nib;
- unsigned int len = 0;
-
- while (1)
+ const struct h8_opcode *q;
+ const op_type *nib;
+ unsigned int len;
+ op_type looking_for;
+
+ if (qi->length > maxlen)
+ continue;
+
+ q = qi->opcode;
+ nib = q->data.nib;
+ len = 0;
+ while ((looking_for = *nib) != (op_type) E)
{
- op_type looking_for = *nib;
- int thisnib = data[len / 2];
+ int thisnib;
int opnr;
+ OPCODES_ASSERT (len / 2 < maxlen);
+ thisnib = data[len / 2];
thisnib = (len & 1) ? (thisnib & 0xf) : ((thisnib / 16) & 0xf);
opnr = ((looking_for & OP3) == OP3 ? 2
: (looking_for & DST) == DST ? 1 : 0);
cst[opnr] = (thisnib & 0x8) ? 2 : 1;
}
- else if ((looking_for & MODE) == DISP ||
- (looking_for & MODE) == ABS ||
- (looking_for & MODE) == PCREL ||
- (looking_for & MODE) == INDEXB ||
- (looking_for & MODE) == INDEXW ||
- (looking_for & MODE) == INDEXL)
+ else if ((looking_for & MODE) == DISP
+ || (looking_for & MODE) == ABS
+ || (looking_for & MODE) == PCREL
+ || (looking_for & MODE) == INDEXB
+ || (looking_for & MODE) == INDEXW
+ || (looking_for & MODE) == INDEXL)
{
- extract_immediate (stream, looking_for, thisnib,
- data + len / 2, cst + opnr,
+ int extra;
+ switch (looking_for & SIZE)
+ {
+ case L_16:
+ case L_16U:
+ extra = 1;
+ break;
+ case L_32:
+ extra = 3;
+ break;
+ default:
+ extra = 0;
+ break;
+ }
+ OPCODES_ASSERT (len / 2 + extra < maxlen);
+ extract_immediate (stream, looking_for, thisnib,
+ data + len / 2, cst + opnr,
cstlen + opnr, q);
/* Even address == bra, odd == bra/s. */
if (q->how == O (O_BRAS, SB))
cst[opnr] -= 1;
}
- else if ((looking_for & MODE) == REG ||
- (looking_for & MODE) == LOWREG ||
- (looking_for & MODE) == IND ||
- (looking_for & MODE) == PREINC ||
- (looking_for & MODE) == POSTINC ||
- (looking_for & MODE) == PREDEC ||
- (looking_for & MODE) == POSTDEC)
+ else if ((looking_for & MODE) == REG
+ || (looking_for & MODE) == LOWREG
+ || (looking_for & MODE) == IND
+ || (looking_for & MODE) == PREINC
+ || (looking_for & MODE) == POSTINC
+ || (looking_for & MODE) == PREDEC
+ || (looking_for & MODE) == POSTDEC)
{
regno[opnr] = thisnib;
}
- else if (looking_for & CTRL) /* Control Register */
+ else if (looking_for & CTRL) /* Control Register. */
{
thisnib &= 7;
- if (((looking_for & MODE) == CCR && (thisnib != C_CCR)) ||
- ((looking_for & MODE) == EXR && (thisnib != C_EXR)) ||
- ((looking_for & MODE) == MACH && (thisnib != C_MACH)) ||
- ((looking_for & MODE) == MACL && (thisnib != C_MACL)) ||
- ((looking_for & MODE) == VBR && (thisnib != C_VBR)) ||
- ((looking_for & MODE) == SBR && (thisnib != C_SBR)))
+ if (((looking_for & MODE) == CCR && (thisnib != C_CCR))
+ || ((looking_for & MODE) == EXR && (thisnib != C_EXR))
+ || ((looking_for & MODE) == MACH && (thisnib != C_MACH))
+ || ((looking_for & MODE) == MACL && (thisnib != C_MACL))
+ || ((looking_for & MODE) == VBR && (thisnib != C_VBR))
+ || ((looking_for & MODE) == SBR && (thisnib != C_SBR)))
goto fail;
- if (((looking_for & MODE) == CCR_EXR &&
- (thisnib != C_CCR && thisnib != C_EXR)) ||
- ((looking_for & MODE) == VBR_SBR &&
- (thisnib != C_VBR && thisnib != C_SBR)) ||
- ((looking_for & MODE) == MACREG &&
- (thisnib != C_MACH && thisnib != C_MACL)))
+ if (((looking_for & MODE) == CCR_EXR
+ && (thisnib != C_CCR && thisnib != C_EXR))
+ || ((looking_for & MODE) == VBR_SBR
+ && (thisnib != C_VBR && thisnib != C_SBR))
+ || ((looking_for & MODE) == MACREG
+ && (thisnib != C_MACH && thisnib != C_MACL)))
goto fail;
- if (((looking_for & MODE) == CC_EX_VB_SB &&
- (thisnib != C_CCR && thisnib != C_EXR &&
- thisnib != C_VBR && thisnib != C_SBR)))
+ if (((looking_for & MODE) == CC_EX_VB_SB
+ && (thisnib != C_CCR && thisnib != C_EXR
+ && thisnib != C_VBR && thisnib != C_SBR)))
goto fail;
regno[opnr] = thisnib;
cst[opnr] = thisnib;
cstlen[opnr] = 4;
}
- else if ((looking_for & SIZE) == L_16 ||
- (looking_for & SIZE) == L_16U)
+ else if ((looking_for & SIZE) == L_16
+ || (looking_for & SIZE) == L_16U)
{
+ OPCODES_ASSERT (len / 2 + 1 < maxlen);
cst[opnr] = (data[len / 2]) * 256 + data[(len + 2) / 2];
cstlen[opnr] = 16;
}
}
else if ((looking_for & SIZE) == L_32)
{
- int i = len / 2;
+ unsigned int i = len / 2;
- cst[opnr] = ((data[i] << 24)
- | (data[i + 1] << 16)
+ OPCODES_ASSERT (i + 3 < maxlen);
+ cst[opnr] = (((unsigned) data[i] << 24)
+ | (data[i + 1] << 16)
| (data[i + 2] << 8)
| (data[i + 3]));
}
else if ((looking_for & SIZE) == L_24)
{
- int i = len / 2;
+ unsigned int i = len / 2;
- cst[opnr] =
+ OPCODES_ASSERT (i + 2 < maxlen);
+ cst[opnr] =
(data[i] << 16) | (data[i + 1] << 8) | (data[i + 2]);
cstlen[opnr] = 24;
}
- else if (looking_for & IGNORE)
- {
- ;
- }
else if (looking_for & DISPREG)
{
dispregno[opnr] = thisnib & 7;
cstlen[opnr] = 8;
cst[opnr] = data[len / 2];
}
- else if ((looking_for & SIZE) == L_3 ||
- (looking_for & SIZE) == L_3NZ)
+ else if ((looking_for & SIZE) == L_3
+ || (looking_for & SIZE) == L_3NZ)
{
cst[opnr] = thisnib & 0x7;
if (cst[opnr] == 0 && (looking_for & SIZE) == L_3NZ)
{
cst[opnr] = (thisnib == 3);
}
- else if (looking_for == (op_type) E)
- {
- outfn (stream, "%s\t", q->name);
-
- /* Gross. Disgusting. */
- if (strcmp (q->name, "ldm.l") == 0)
- {
- int count, high;
-
- count = (data[1] / 16) & 0x3;
- high = regno[1];
-
- outfn (stream, "@sp+,er%d-er%d", high - count, high);
- return qi->length;
- }
-
- if (strcmp (q->name, "stm.l") == 0)
- {
- int count, low;
-
- count = (data[1] / 16) & 0x3;
- low = regno[0];
-
- outfn (stream, "er%d-er%d,@-sp", low, low + count);
- return qi->length;
- }
- if (strcmp (q->name, "rte/l") == 0
- || strcmp (q->name, "rts/l") == 0)
- {
- if (regno[0] == 0)
- outfn (stream, "er%d", regno[1]);
- else
- {
- outfn (stream, "er%d-er%d", regno[1] - regno[0],
- regno[1]);
- }
- return qi->length;
- }
- if (strncmp (q->name, "mova", 4) == 0)
- {
- op_type *args = q->args.nib;
-
- if (args[1] == (op_type) E)
- {
- /* Short form. */
- print_one_arg (info, addr, args[0], cst[0],
- cstlen[0], dispregno[0], regno[0],
- pregnames, qi->length);
- outfn (stream, ",er%d", dispregno[0]);
- }
- else
- {
- outfn (stream, "@(0x%x:%d,", cst[0], cstlen[0]);
- print_one_arg (info, addr, args[1], cst[1],
- cstlen[1], dispregno[1], regno[1],
- pregnames, qi->length);
- outfn (stream, ".%c),",
- (args[0] & MODE) == INDEXB ? 'b' : 'w');
- print_one_arg (info, addr, args[2], cst[2],
- cstlen[2], dispregno[2], regno[2],
- pregnames, qi->length);
- }
- return qi->length;
- }
- /* Fill in the args. */
- {
- op_type *args = q->args.nib;
- int hadone = 0;
- int nargs;
-
- /* Special case handling for the adds and subs instructions
- since in H8 mode thay can only take the r0-r7 registers but
- in other (higher) modes they can take the er0-er7 registers
- as well. */
- if (strcmp (qi->opcode->name, "adds") == 0
- || strcmp (qi->opcode->name, "subs") == 0)
- {
- outfn (stream, "#%d,%s", cst[0], pregnames[regno[1] & 0x7]);
- return qi->length;
- }
-
- for (nargs = 0;
- nargs < 3 && args[nargs] != (op_type) E;
- nargs++)
- {
- int x = args[nargs];
-
- if (hadone)
- outfn (stream, ",");
-
- print_one_arg (info, addr, x,
- cst[nargs], cstlen[nargs],
- dispregno[nargs], regno[nargs],
- pregnames, qi->length);
-
- hadone = 1;
- }
- }
-
- return qi->length;
- }
else
/* xgettext:c-format */
outfn (stream, _("Don't understand 0x%x \n"), looking_for);
nib++;
}
+ outfn (stream, "%s\t", q->name);
+
+ /* Gross. Disgusting. */
+ if (strcmp (q->name, "ldm.l") == 0)
+ {
+ int count, high;
+
+ count = (data[1] / 16) & 0x3;
+ high = regno[1];
+
+ outfn (stream, "@sp+,er%d-er%d", high - count, high);
+ return qi->length;
+ }
+
+ if (strcmp (q->name, "stm.l") == 0)
+ {
+ int count, low;
+
+ count = (data[1] / 16) & 0x3;
+ low = regno[0];
+
+ outfn (stream, "er%d-er%d,@-sp", low, low + count);
+ return qi->length;
+ }
+ if (strcmp (q->name, "rte/l") == 0
+ || strcmp (q->name, "rts/l") == 0)
+ {
+ if (regno[0] == 0)
+ outfn (stream, "er%d", regno[1]);
+ else
+ outfn (stream, "er%d-er%d", regno[1] - regno[0],
+ regno[1]);
+ return qi->length;
+ }
+ if (CONST_STRNEQ (q->name, "mova"))
+ {
+ const op_type *args = q->args.nib;
+
+ if (args[1] == (op_type) E)
+ {
+ /* Short form. */
+ print_one_arg (info, addr, args[0], cst[0],
+ cstlen[0], dispregno[0], regno[0],
+ pregnames, qi->length);
+ outfn (stream, ",er%d", dispregno[0]);
+ }
+ else
+ {
+ outfn (stream, "@(0x%x:%d,", cst[0], cstlen[0]);
+ print_one_arg (info, addr, args[1], cst[1],
+ cstlen[1], dispregno[1], regno[1],
+ pregnames, qi->length);
+ outfn (stream, ".%c),",
+ (args[0] & MODE) == INDEXB ? 'b' : 'w');
+ print_one_arg (info, addr, args[2], cst[2],
+ cstlen[2], dispregno[2], regno[2],
+ pregnames, qi->length);
+ }
+ return qi->length;
+ }
+ /* Fill in the args. */
+ {
+ const op_type *args = q->args.nib;
+ int hadone = 0;
+ int nargs;
+
+ /* Special case handling for the adds and subs instructions
+ since in H8 mode thay can only take the r0-r7 registers
+ but in other (higher) modes they can take the er0-er7
+ registers as well. */
+ if (strcmp (qi->opcode->name, "adds") == 0
+ || strcmp (qi->opcode->name, "subs") == 0)
+ {
+ outfn (stream, "#%d,%s", cst[0], pregnames[regno[1] & 0x7]);
+ return qi->length;
+ }
+
+ for (nargs = 0;
+ nargs < 3 && args[nargs] != (op_type) E;
+ nargs++)
+ {
+ int x = args[nargs];
+
+ if (hadone)
+ outfn (stream, ",");
+
+ print_one_arg (info, addr, x,
+ cst[nargs], cstlen[nargs],
+ dispregno[nargs], regno[nargs],
+ pregnames, qi->length);
+
+ hadone = 1;
+ }
+ }
+ return qi->length;
+
fail:
;
}
}
int
-print_insn_h8300 (addr, info)
- bfd_vma addr;
- disassemble_info *info;
+print_insn_h8300 (bfd_vma addr, disassemble_info *info)
{
return bfd_h8_disassemble (addr, info, 0);
}
int
-print_insn_h8300h (addr, info)
- bfd_vma addr;
- disassemble_info *info;
+print_insn_h8300h (bfd_vma addr, disassemble_info *info)
{
return bfd_h8_disassemble (addr, info, 1);
}
int
-print_insn_h8300s (addr, info)
- bfd_vma addr;
- disassemble_info *info;
+print_insn_h8300s (bfd_vma addr, disassemble_info *info)
{
return bfd_h8_disassemble (addr, info, 2);
}
projects / deliverable / binutils-gdb.git / blobdiff