summaryrefslogtreecommitdiff
path: root/opcodes/h8300-dis.c
diff options
context:
space:
mode:
Diffstat (limited to 'opcodes/h8300-dis.c')
-rw-r--r--opcodes/h8300-dis.c431
1 files changed, 0 insertions, 431 deletions
diff --git a/opcodes/h8300-dis.c b/opcodes/h8300-dis.c
deleted file mode 100644
index ab95db42caa..00000000000
--- a/opcodes/h8300-dis.c
+++ /dev/null
@@ -1,431 +0,0 @@
-/* Disassemble h8300 instructions.
- Copyright 1993, 1994, 1996, 1998, 2000 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 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
-
-#define DEFINE_TABLE
-
-#include "sysdep.h"
-#define h8_opcodes h8ops
-#include "opcode/h8300.h"
-#include "dis-asm.h"
-#include "opintl.h"
-
-/* Run through the opcodes and sort them into order to make them easy
- to disassemble. */
-static void
-bfd_h8_disassemble_init ()
-{
- unsigned int i;
- struct h8_opcode *p;
-
- for (p = h8_opcodes; p->name; p++)
- {
- 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] != E; i++)
- ;
-
- if (i & 1)
- abort ();
-
- p->length = i / 2;
- }
-}
-
-unsigned int
-bfd_h8_disassemble (addr, info, mode)
- bfd_vma addr;
- disassemble_info *info;
- int mode;
-{
- /* Find the first entry in the table for this opcode. */
- 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"
- };
- 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;
- char CONST **pregnames = mode != 0 ? lregnames : wregnames;
- int status;
- int l;
- unsigned char data[20];
- void *stream = info->stream;
- fprintf_ftype fprintf = 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 < 10; l += 2)
- status = info->read_memory_func (addr + l, data + l, 2, info);
-
- /* Find the exact opcode/arg combo. */
- for (q = h8_opcodes; q->name; q++)
- {
- op_type *nib = q->data.nib;
- unsigned int len = 0;
-
- 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)
- {
- if (looking_for != thisnib)
- goto fail;
- }
- else
- {
- if ((int) looking_for & (int) B31)
- {
- if (!(((int) thisnib & 0x8) != 0))
- goto fail;
-
- looking_for = (op_type) ((int) looking_for & ~(int) B31);
- }
-
- if ((int) looking_for & (int) B30)
- {
- if (!(((int) thisnib & 0x8) == 0))
- goto fail;
-
- looking_for = (op_type) ((int) looking_for & ~(int) B30);
- }
-
- if (looking_for & 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;
-
- abs = (thisnib & 0x8) ? 2 : 1;
- }
- else if (looking_for & (REG | IND | INC | DEC))
- {
- if (looking_for & SRC)
- rs = thisnib;
- else
- rd = thisnib;
- }
- else if (looking_for & L_16)
- {
- abs = (data[len >> 1]) * 256 + data[(len + 2) >> 1];
- plen = 16;
- }
- else if (looking_for & ABSJMP)
- {
- abs = (data[1] << 16) | (data[2] << 8) | (data[3]);
- }
- else if (looking_for & MEMIND)
- {
- abs = data[1];
- }
- else if (looking_for & L_32)
- {
- int i = len >> 1;
-
- abs = (data[i] << 24)
- | (data[i + 1] << 16)
- | (data[i + 2] << 8)
- | (data[i + 3]);
-
- plen = 32;
- }
- else if (looking_for & L_24)
- {
- int i = len >> 1;
-
- abs = (data[i] << 16) | (data[i + 1] << 8) | (data[i + 2]);
- plen = 24;
- }
- else if (looking_for & IGNORE)
- {
- ;
- }
- else if (looking_for & DISPREG)
- {
- rdisp = thisnib;
- }
- else if (looking_for & KBIT)
- {
- switch (thisnib)
- {
- case 9:
- abs = 4;
- break;
- case 8:
- abs = 2;
- break;
- case 0:
- abs = 1;
- break;
- default:
- goto fail;
- }
- }
- else if (looking_for & L_8)
- {
- plen = 8;
- abs = data[len >> 1];
- }
- else if (looking_for & L_3)
- {
- bit = thisnib & 0x7;
- }
- else if (looking_for & L_2)
- {
- plen = 2;
- abs = thisnib & 0x3;
- }
- else if (looking_for & MACREG)
- {
- abs = (thisnib == 3);
- }
- else if (looking_for == E)
- {
- int i;
-
- for (i = 0; i < q->length; i++)
- fprintf (stream, "%02x ", data[i]);
-
- for (; i < 6; i++)
- fprintf (stream, " ");
-
- fprintf (stream, "%s\t", q->name);
-
- /* Gross. Disgusting. */
- if (strcmp (q->name, "ldm.l") == 0)
- {
- int count, high;
-
- count = (data[1] >> 4) & 0x3;
- high = data[3] & 0x7;
-
- fprintf (stream, "@sp+,er%d-er%d", high - count, high);
- return q->length;
- }
-
- if (strcmp (q->name, "stm.l") == 0)
- {
- int count, low;
-
- count = (data[1] >> 4) & 0x3;
- low = data[3] & 0x7;
-
- fprintf (stream, "er%d-er%d,@-sp", low, low + count);
- return q->length;
- }
-
- /* Fill in the args. */
- {
- op_type *args = q->args.nib;
- int hadone = 0;
-
- while (*args != E)
- {
- int x = *args;
-
- 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 & MACREG)
- {
- fprintf (stream, "mac%c", abs ? 'l' : 'h');
- }
- 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
- /* xgettext:c-format */
- fprintf (stream, _("Hmmmm %x"), x);
-
- hadone = 1;
- args++;
- }
- }
-
- return q->length;
- }
- else
- /* xgettext:c-format */
- fprintf (stream, _("Don't understand %x \n"), looking_for);
- }
-
- len++;
- nib++;
- }
-
- fail:
- ;
- }
-
- /* Fell off the end. */
- fprintf (stream, "%02x %02x .word\tH'%x,H'%x",
- data[0], data[1],
- data[0], data[1]);
- return 2;
-}
-
-int
-print_insn_h8300 (addr, info)
- 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;
-{
- return bfd_h8_disassemble (addr, info, 1);
-}
-
-int
-print_insn_h8300s (addr, info)
- bfd_vma addr;
- disassemble_info *info;
-{
- return bfd_h8_disassemble (addr, info, 2);
-}
View Lorry Controller Status