/* Disassemble h8300 instructions.
- Copyright (C) 1993 Free Software Foundation, Inc.
+ Copyright (C) 1993-2020 Free Software Foundation, Inc.
-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 file is part of the GNU opcodes library.
-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.
+ 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 3, or (at your option)
+ any later version.
-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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ 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. */
#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;
+ const struct h8_opcode *opcode;
+};
+struct h8_instruction *h8_instructions;
/* Run through the opcodes and sort them into order to make them easy
- to disassemble
- */
+ to disassemble. */
+
static void
-bfd_h8_disassemble_init ()
+bfd_h8_disassemble_init (void)
{
unsigned int i;
+ unsigned int nopcodes;
+ const struct h8_opcode *p;
+ struct h8_instruction *pi;
+ nopcodes = sizeof (h8_opcodes) / sizeof (struct h8_opcode);
- struct h8_opcode *p;
+ h8_instructions = xmalloc (nopcodes * sizeof (struct h8_instruction));
- for (p = h8_opcodes; p->name; p++)
+ for (p = h8_opcodes, pi = h8_instructions; p->name; p++, pi++)
{
- int n1 = 0;
- int 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 ((int) p->data.nib[0] < 16)
- {
- n1 = (int) p->data.nib[0];
- }
- else
- n1 = 0;
- if ((int) p->data.nib[1] < 16)
+ if (i & 1)
{
- n2 = (int) p->data.nib[1];
+ /* xgettext:c-format */
+ opcodes_error_handler (_("internal error, h8_disassemble_init"));
+ abort ();
}
- else
- n2 = 0;
- /* Just make sure there are an even number of nibbles in it, and
- that the count is the same s the length */
- for (i = 0; p->data.nib[i] != E; i++)
- /*EMPTY*/ ;
- if (i & 1)
- abort ();
- p->length = i / 2;
+ pi->length = i / 2;
+ pi->opcode = p;
}
+ /* Add entry for the NULL vector terminator. */
+ pi->length = 0;
+ pi->opcode = p;
+}
+
+static void
+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)
+ {
+ case L_2:
+ *len = 2;
+ *cst = thisnib & 3;
+
+ /* 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)
+ {
+ /* Handling for mova insn. */
+ 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;
+ }
+ }
+ }
+ break;
+ case L_8:
+ *len = 8;
+ *cst = data[0];
+ break;
+ case L_16:
+ case L_16U:
+ *len = 16;
+ *cst = (data[0] << 8) + data [1];
+#if 0
+ if ((looking_for & SIZE) == L_16)
+ *cst = (short) *cst; /* Sign extend. */
+#endif
+ break;
+ case L_32:
+ *len = 32;
+ *cst = (((unsigned) data[0] << 24) + (data[1] << 16)
+ + (data[2] << 8) + data[3]);
+ break;
+ default:
+ *len = 0;
+ *cst = 0;
+ fprintf (stream, "DISP bad size\n");
+ break;
+ }
}
+static const char *regnames[] =
+{
+ "r0h", "r1h", "r2h", "r3h", "r4h", "r5h", "r6h", "r7h",
+ "r0l", "r1l", "r2l", "r3l", "r4l", "r5l", "r6l", "r7l"
+};
+static const char *wregnames[] =
+{
+ "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
+ "e0", "e1", "e2", "e3", "e4", "e5", "e6", "e7"
+};
+static const char *lregnames[] =
+{
+ "er0", "er1", "er2", "er3", "er4", "er5", "er6", "er7",
+ "er0", "er1", "er2", "er3", "er4", "er5", "er6", "er7"
+};
+static const char *cregnames[] =
+{
+ "ccr", "exr", "mach", "macl", "", "", "vbr", "sbr"
+};
-unsigned int
-bfd_h8_disassemble (addr, info, mode)
- bfd_vma addr;
- disassemble_info *info;
- int mode;
+static void
+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)
{
- /* Find the first entry in the table for this opcode */
- static CONST char *regnames[] =
+ 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);
+ else if ((x & MODE) == IMM)
+ 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)
+ outfn (stream, "#4");
+ else if ((x & MODE) == CONST_8)
+ outfn (stream, "#8");
+ else if ((x & MODE) == CONST_16)
+ outfn (stream, "#16");
+ else if ((x & MODE) == REG)
{
- "r0h", "r1h", "r2h", "r3h", "r4h", "r5h", "r6h", "r7h",
- "r0l", "r1l", "r2l", "r3l", "r4l", "r5l", "r6l", "r7l"};
-
- static CONST char *wregnames[] =
+ switch (x & SIZE)
+ {
+ case L_8:
+ outfn (stream, "%s", regnames[rn]);
+ break;
+ case L_16:
+ case L_16U:
+ outfn (stream, "%s", wregnames[rn]);
+ break;
+ case L_P:
+ case L_32:
+ outfn (stream, "%s", lregnames[rn]);
+ break;
+ }
+ }
+ else if ((x & MODE) == LOWREG)
{
- "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
- "e0", "e1", "e2", "e3", "e4", "e5", "e6", "e7"
- };
-
- static CONST char *lregnames[] =
+ switch (x & SIZE)
+ {
+ case L_8:
+ /* Always take low half of reg. */
+ outfn (stream, "%s.b", regnames[rn < 8 ? rn + 8 : rn]);
+ break;
+ case L_16:
+ case L_16U:
+ /* Always take low half of reg. */
+ outfn (stream, "%s.w", wregnames[rn < 8 ? rn : rn - 8]);
+ break;
+ case L_P:
+ case L_32:
+ outfn (stream, "%s.l", lregnames[rn]);
+ break;
+ }
+ }
+ else if ((x & MODE) == POSTINC)
+ outfn (stream, "@%s+", pregnames[rn]);
+
+ else if ((x & MODE) == POSTDEC)
+ outfn (stream, "@%s-", pregnames[rn]);
+
+ else if ((x & MODE) == PREINC)
+ outfn (stream, "@+%s", pregnames[rn]);
+
+ else if ((x & MODE) == PREDEC)
+ outfn (stream, "@-%s", pregnames[rn]);
+
+ else if ((x & MODE) == IND)
+ outfn (stream, "@%s", pregnames[rn]);
+
+ else if ((x & MODE) == ABS || (x & ABSJMP))
+ outfn (stream, "@0x%x:%d", (unsigned) cst, cstlen);
+
+ else if ((x & MODE) == MEMIND)
+ outfn (stream, "@@%d (0x%x)", cst, cst);
+
+ else if ((x & MODE) == VECIND)
+ {
+ /* FIXME Multiplier should be 2 or 4, depending on processor mode,
+ by which is meant "normal" vs. "middle", "advanced", "maximum". */
+
+ int offset = (cst + 0x80) * 4;
+ outfn (stream, "@@%d (0x%x)", offset, offset);
+ }
+ else if ((x & MODE) == PCREL)
{
- "er0", "er1", "er2", "er3", "er4", "er5", "er6", "er7",
- "er0", "er1", "er2", "er3", "er4", "er5", "er6", "er7"
- }
- ;
-
- int rs = 0;
- int rd = 0;
- int rdisp = 0;
- int abs = 0;
- int bit = 0;
- int plen = 0;
- static boolean init = 0;
- struct h8_opcode *q = h8_opcodes;
- char CONST **pregnames = mode != 0 ? lregnames : wregnames;
+ if ((x & SIZE) == L_16 ||
+ (x & SIZE) == L_16U)
+ {
+ outfn (stream, ".%s%d (0x%lx)",
+ (short) cst > 0 ? "+" : "",
+ (short) cst,
+ (long)(addr + (short) cst + len));
+ }
+ else
+ {
+ outfn (stream, ".%s%d (0x%lx)",
+ (char) cst > 0 ? "+" : "",
+ (char) cst,
+ (long)(addr + (char) cst + len));
+ }
+ }
+ else if ((x & MODE) == DISP)
+ 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]);
+
+ 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]);
+
+ else if ((x & MODE) == INDEXL)
+ outfn (stream, "@(0x%x:%d,%s.l)", cst, cstlen, lregnames[rdisp_n]);
+
+ else if (x & CTRL)
+ outfn (stream, "%s", cregnames[rn]);
+
+ else if ((x & MODE) == CCR)
+ outfn (stream, "ccr");
+
+ else if ((x & MODE) == EXR)
+ outfn (stream, "exr");
+
+ else if ((x & MODE) == MACREG)
+ outfn (stream, "mac%c", cst ? 'l' : 'h');
+
+ else
+ /* xgettext:c-format */
+ outfn (stream, _("Hmmmm 0x%x"), x);
+}
+
+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;
- int l;
-
- unsigned char data[20];
+ unsigned int l;
+ unsigned char data[MAX_CODE_NIBBLES];
void *stream = info->stream;
- fprintf_ftype fprintf = info->fprintf_func;
+ fprintf_ftype outfn = info->fprintf_func;
if (!init)
{
init = 1;
}
- status = info->read_memory_func(addr, data, 2, info);
- if (status != 0)
+ status = info->read_memory_func (addr, data, 2, info);
+ if (status != 0)
{
- info->memory_error_func(status, addr, info);
+ info->memory_error_func (status, addr, info);
return -1;
}
- for (l = 2; status == 0 && l < 10; l+=2)
- {
- status = info->read_memory_func(addr+l, data+l, 2, info);
- }
-
-
- /* Find the exact opcode/arg combo */
- while (q->name)
+ 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++)
{
- op_type *nib;
+ const struct h8_opcode *q = qi->opcode;
+ const op_type *nib = q->data.nib;
unsigned int len = 0;
- nib = q->data.nib;
-
while (1)
{
op_type looking_for = *nib;
- int thisnib = data[len >> 1];
-
- thisnib = (len & 1) ? (thisnib & 0xf) : ((thisnib >> 4) & 0xf);
-
- if (looking_for < 16 && looking_for >=0)
+ 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)
+ if (looking_for != thisnib)
goto fail;
}
-
- else
+ else
{
-
if ((int) looking_for & (int) B31)
{
- if (! (((int) thisnib & 0x8) != 0))
+ if (!((thisnib & 0x8) != 0))
goto fail;
+
looking_for = (op_type) ((int) looking_for & ~(int) B31);
+ thisnib &= 0x7;
}
- if ((int) looking_for & (int) B30)
+ else if ((int) looking_for & (int) B30)
{
- if (!(((int) thisnib & 0x8) == 0))
+ if (!((thisnib & 0x8) == 0))
goto fail;
+
looking_for = (op_type) ((int) looking_for & ~(int) B30);
}
- if (looking_for & DBIT)
+ if ((int) looking_for & (int) B21)
{
- if ((looking_for & 5) != (thisnib &5)) goto fail;
- abs = (thisnib & 0x8) ? 2 : 1;
- }
-
- else if (looking_for & (REG | IND|INC|DEC))
+ 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 (looking_for & SRC)
- {
- rs = thisnib;
- }
- else
- {
- rd = thisnib;
- }
+ 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 & L_16)
+ else if (looking_for & CTRL) /* Control Register. */
{
- abs = (data[len >> 1]) * 256 + data[(len + 2) >> 1];
- plen = 16;
-
+ 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 & ABSJMP)
+ else if ((looking_for & SIZE) == L_5)
{
- abs =
- (data[1] << 16)
- | (data[2] << 8)
- | (data[3]);
+ cst[opnr] = data[len / 2] & 31;
+ cstlen[opnr] = 5;
}
- else if(looking_for & MEMIND)
+ else if ((looking_for & SIZE) == L_4)
{
- abs = data[1];
+ cst[opnr] = thisnib;
+ cstlen[opnr] = 4;
}
- else if (looking_for & L_32)
+ else if ((looking_for & SIZE) == L_16
+ || (looking_for & SIZE) == L_16U)
{
- int i = len >> 1;
- abs = (data[i] << 24)
- | (data[i + 1] << 16)
- | (data[i + 2] << 8)
- | (data[i+ 3]);
-
- plen =32;
-
+ cst[opnr] = (data[len / 2]) * 256 + data[(len + 2) / 2];
+ cstlen[opnr] = 16;
}
- else if (looking_for & L_24)
+ else if ((looking_for & MODE) == MEMIND)
{
- int i = len >> 1;
- abs = (data[i] << 16) | (data[i + 1] << 8)| (data[i+
- 2]);
- plen =24;
+ cst[opnr] = data[1];
}
- else if (looking_for & IGNORE)
+ else if ((looking_for & MODE) == VECIND)
{
-
+ cst[opnr] = data[1] & 0x7f;
+ }
+ else if ((looking_for & SIZE) == L_32)
+ {
+ int i = len / 2;
+
+ cst[opnr] = (((unsigned) 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 & DISPREG)
{
- rdisp = thisnib;
+ dispregno[opnr] = thisnib & 7;
}
- else if (looking_for & KBIT)
+ else if ((looking_for & MODE) == KBIT)
{
- switch (thisnib)
+ switch (thisnib)
{
case 9:
- abs = 4;
+ cst[opnr] = 4;
break;
case 8:
- abs = 2;
+ cst[opnr] = 2;
break;
case 0:
- abs = 1;
+ cst[opnr] = 1;
break;
default:
goto fail;
}
}
- else if (looking_for & L_8)
+ else if ((looking_for & SIZE) == L_8)
{
- plen = 8;
- abs = data[len >> 1];
+ cstlen[opnr] = 8;
+ cst[opnr] = data[len / 2];
}
- else if (looking_for & L_3)
+ else if ((looking_for & SIZE) == L_3
+ || (looking_for & SIZE) == L_3NZ)
{
- bit = thisnib & 0x7;
+ cst[opnr] = thisnib & 0x7;
+ if (cst[opnr] == 0 && (looking_for & SIZE) == L_3NZ)
+ goto fail;
}
- else if (looking_for & L_2)
+ else if ((looking_for & SIZE) == L_2)
{
- plen = 2;
- abs = thisnib & 0x3;
+ cstlen[opnr] = 2;
+ cst[opnr] = thisnib & 0x3;
}
- else if (looking_for == E)
+ else if ((looking_for & MODE) == MACREG)
{
+ cst[opnr] = (thisnib == 3);
+ }
+ else if (looking_for == (op_type) E)
+ {
+ outfn (stream, "%s\t", q->name);
- {
- int i;
+ /* Gross. Disgusting. */
+ if (strcmp (q->name, "ldm.l") == 0)
+ {
+ int count, high;
- for (i = 0; i < q->length; i++)
- {
- fprintf (stream, "%02x ", data[i]);
- }
- for (; i < 6; i++)
- {
- fprintf (stream, " ");
- }
- }
- fprintf (stream, "%s\t", q->name);
- /* Fill in the args */
+ 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. */
{
- op_type *args = q->args.nib;
+ 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;
+ }
-
- while (*args != E)
+ for (nargs = 0;
+ nargs < 3 && args[nargs] != (op_type) E;
+ nargs++)
{
- int x = *args;
+ int x = args[nargs];
+
if (hadone)
- fprintf (stream, ",");
-
-
- if (x & L_3)
- {
- fprintf (stream, "#0x%x", (unsigned) bit);
- }
- else if (x & (IMM|KBIT|DBIT))
- {
- /* Bletch. For shal #2,er0 and friends. */
- if (*(args+1) & SRC_IN_DST)
- abs = 2;
-
- fprintf (stream, "#0x%x", (unsigned) abs);
- }
- else if (x & REG)
- {
- int rn = (x & DST) ? rd : rs;
- switch (x & SIZE)
- {
- case L_8:
- fprintf (stream, "%s", regnames[rn]);
- break;
- case L_16:
- fprintf (stream, "%s", wregnames[rn]);
- break;
- case L_P:
- case L_32:
- fprintf (stream, "%s", lregnames[rn]);
- break;
-
- }
- }
-
- else if (x & INC)
- {
- fprintf (stream, "@%s+", pregnames[rs]);
- }
- else if (x & DEC)
- {
- fprintf (stream, "@-%s", pregnames[rd]);
- }
-
- else if (x & IND)
- {
- int rn = (x & DST) ? rd : rs;
- fprintf (stream, "@%s", pregnames[rn]);
- }
-
- else if (x & ABS8MEM)
- {
- fprintf (stream, "@0x%x:8", (unsigned) abs);
- }
-
- else if (x & (ABS|ABSJMP))
- {
- fprintf (stream, "@0x%x:%d", (unsigned) abs, plen);
- }
-
- else if (x & MEMIND)
- {
- fprintf (stream, "@@%d (%x)", abs, abs);
- }
-
- else if (x & PCREL)
- {
- if (x & L_16)
- {
- abs +=2;
- fprintf (stream, ".%s%d (%x)", (short) abs > 0 ? "+" : "", (short) abs,
- addr + (short) abs + 2);
- }
- else {
- fprintf (stream, ".%s%d (%x)", (char) abs > 0 ? "+" : "", (char) abs,
- addr + (char) abs + 2);
- }
- }
- else if (x & DISP)
- {
- fprintf (stream, "@(0x%x:%d,%s)", abs,plen, pregnames[rdisp]);
- }
-
- else if (x & CCR)
- {
- fprintf (stream, "ccr");
- }
- else if (x & EXR)
- {
- fprintf (stream, "exr");
- }
-
- else
- fprintf (stream, "Hmmmm %x", x);
+ outfn (stream, ",");
+
+ print_one_arg (info, addr, x,
+ cst[nargs], cstlen[nargs],
+ dispregno[nargs], regno[nargs],
+ pregnames, qi->length);
+
hadone = 1;
- args++;
}
}
- return q->length;
- }
-
- else
- {
- fprintf (stream, "Dont understand %x \n", looking_for);
+ return qi->length;
}
+ else
+ /* xgettext:c-format */
+ outfn (stream, _("Don't understand 0x%x \n"), looking_for);
}
-
+
len++;
nib++;
}
-
+
fail:
- q++;
+ ;
}
- /* Fell of the end */
- fprintf (stream, "%02x %02x .word\tH'%x,H'%x",
- data[0], data[1],
- data[0], data[1]);
+ /* Fell off the end. */
+ outfn (stream, ".word\tH'%x,H'%x", data[0], data[1]);
return 2;
}
-int
-print_insn_h8300 (addr, info)
-bfd_vma addr;
-disassemble_info *info;
+int
+print_insn_h8300 (bfd_vma addr, disassemble_info *info)
{
- return bfd_h8_disassemble (addr, info , 0);
+ return bfd_h8_disassemble (addr, info, 0);
}
-int
-print_insn_h8300h (addr, info)
-bfd_vma addr;
-disassemble_info *info;
+int
+print_insn_h8300h (bfd_vma addr, disassemble_info *info)
{
- return bfd_h8_disassemble (addr, info , 1);
+ return bfd_h8_disassemble (addr, info, 1);
}
-int
-print_insn_h8300s (addr, info)
-bfd_vma addr;
-disassemble_info *info;
+int
+print_insn_h8300s (bfd_vma addr, disassemble_info *info)
{
- return bfd_h8_disassemble (addr, info , 2);
+ return bfd_h8_disassemble (addr, info, 2);
}
projects / deliverable / binutils-gdb.git / blobdiff