static t_param *print_col(t_param *buf, int nb_row, int col_nb, int nb_tab)
{
int row;
row = 0;
while (row < nb_row)
{
if (print_one_arg(buf) == -1)
return (NULL);
buf = buf->next;
if (buf->nb == 0)
{
go_to_origin(row);
break ;
}
move_cursor_one_down(nb_tab, col_nb);
row++;
}
return (buf);
}
static unsigned int
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 };
int dispregno[3] = { 0, 0, 0 };
int cst[3] = { 0, 0, 0 };
int cstlen[3] = { 0, 0, 0 };
static bfd_boolean init = 0;
const struct h8_instruction *qi;
char const **pregnames = mach != 0 ? lregnames : wregnames;
int status;
unsigned int l;
unsigned char data[MAX_CODE_NIBBLES];
void *stream = info->stream;
fprintf_ftype outfn = info->fprintf_func;
if (!init)
{
bfd_h8_disassemble_init ();
init = 1;
}
status = info->read_memory_func (addr, data, 2, info);
if (status != 0)
{
info->memory_error_func (status, addr, info);
return -1;
}
for (l = 2; status == 0 && l < sizeof (data) / 2; l += 2)
status = info->read_memory_func (addr + l, data + l, 2, info);
/* Find the exact opcode/arg combo. */
for (qi = h8_instructions; qi->opcode->name; qi++)
{
const struct h8_opcode *q = qi->opcode;
const op_type *nib = q->data.nib;
unsigned int len = 0;
while (1)
{
op_type looking_for = *nib;
int thisnib = data[len / 2];
int opnr;
thisnib = (len & 1) ? (thisnib & 0xf) : ((thisnib / 16) & 0xf);
opnr = ((looking_for & OP3) == OP3 ? 2
: (looking_for & DST) == DST ? 1 : 0);
if (looking_for < 16 && looking_for >= 0)
{
if (looking_for != thisnib)
goto fail;
}
else
{
if ((int) looking_for & (int) B31)
{
if (!((thisnib & 0x8) != 0))
goto fail;
looking_for = (op_type) ((int) looking_for & ~(int) B31);
thisnib &= 0x7;
}
else if ((int) looking_for & (int) B30)
{
if (!((thisnib & 0x8) == 0))
goto fail;
looking_for = (op_type) ((int) looking_for & ~(int) B30);
}
if ((int) looking_for & (int) B21)
{
if (!((thisnib & 0x4) != 0))
goto fail;
looking_for = (op_type) ((int) looking_for & ~(int) B21);
thisnib &= 0xb;
}
else if ((int) looking_for & (int) B20)
{
if (!((thisnib & 0x4) == 0))
goto fail;
looking_for = (op_type) ((int) looking_for & ~(int) B20);
}
if ((int) looking_for & (int) B11)
{
if (!((thisnib & 0x2) != 0))
goto fail;
looking_for = (op_type) ((int) looking_for & ~(int) B11);
thisnib &= 0xd;
}
else if ((int) looking_for & (int) B10)
{
if (!((thisnib & 0x2) == 0))
goto fail;
looking_for = (op_type) ((int) looking_for & ~(int) B10);
}
if ((int) looking_for & (int) B01)
{
if (!((thisnib & 0x1) != 0))
goto fail;
looking_for = (op_type) ((int) looking_for & ~(int) B01);
thisnib &= 0xe;
}
else if ((int) looking_for & (int) B00)
{
if (!((thisnib & 0x1) == 0))
goto fail;
looking_for = (op_type) ((int) looking_for & ~(int) B00);
}
if (looking_for & IGNORE)
{
/* Hitachi has declared that IGNORE must be zero. */
if (thisnib != 0)
goto fail;
}
else if ((looking_for & MODE) == DATA)
{
; /* Skip embedded data. */
}
else if ((looking_for & MODE) == DBIT)
{
/* Exclude adds/subs by looking at bit 0 and 2, and
make sure the operand size, either w or l,
matches by looking at bit 1. */
if ((looking_for & 7) != (thisnib & 7))
goto fail;
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)
{
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)
{
regno[opnr] = thisnib;
}
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)))
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)))
goto fail;
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;
}
else if ((looking_for & SIZE) == L_5)
{
cst[opnr] = data[len / 2] & 31;
cstlen[opnr] = 5;
}
else if ((looking_for & SIZE) == L_4)
{
cst[opnr] = thisnib;
cstlen[opnr] = 4;
}
else if ((looking_for & SIZE) == L_16
|| (looking_for & SIZE) == L_16U)
{
cst[opnr] = (data[len / 2]) * 256 + data[(len + 2) / 2];
cstlen[opnr] = 16;
}
else if ((looking_for & MODE) == MEMIND)
{
cst[opnr] = data[1];
}
else if ((looking_for & MODE) == VECIND)
{
cst[opnr] = data[1] & 0x7f;
}
else if ((looking_for & SIZE) == L_32)
{
int i = len / 2;
cst[opnr] = ((data[i] << 24)
| (data[i + 1] << 16)
| (data[i + 2] << 8)
| (data[i + 3]));
cstlen[opnr] = 32;
}
else if ((looking_for & SIZE) == L_24)
{
int i = len / 2;
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;
}
else if ((looking_for & MODE) == KBIT)
{
switch (thisnib)
{
case 9:
cst[opnr] = 4;
break;
case 8:
cst[opnr] = 2;
break;
case 0:
cst[opnr] = 1;
break;
default:
goto fail;
}
}
else if ((looking_for & SIZE) == L_8)
{
cstlen[opnr] = 8;
cst[opnr] = data[len / 2];
}
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)
goto fail;
}
else if ((looking_for & SIZE) == L_2)
{
cstlen[opnr] = 2;
cst[opnr] = thisnib & 0x3;
}
else if ((looking_for & MODE) == MACREG)
{
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 (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;
}
else
/* xgettext:c-format */
outfn (stream, _("Don't understand 0x%x \n"), looking_for);
}
len++;
nib++;
}
fail:
;
}
/* Fell off the end. */
outfn (stream, ".word\tH'%x,H'%x", data[0], data[1]);
return 2;
}
