/* Disassemble MN10200 instructions.
- Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
+ Copyright (C) 1996-2020 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. */
+#include "sysdep.h"
#include <stdio.h>
-
-#include "ansidecl.h"
-#include "opcode/mn10200.h"
-#include "dis-asm.h"
+#include "opcode/mn10200.h"
+#include "disassemble.h"
#include "opintl.h"
-static void disassemble PARAMS ((bfd_vma, struct disassemble_info *,
- unsigned long insn, unsigned long,
- unsigned int));
+static void
+disassemble (bfd_vma memaddr,
+ struct disassemble_info *info,
+ unsigned long insn,
+ unsigned long extension,
+ unsigned int size)
+{
+ struct mn10200_opcode *op = (struct mn10200_opcode *)mn10200_opcodes;
+ const struct mn10200_operand *operand;
+ int match = 0;
+
+ /* Find the opcode. */
+ while (op->name)
+ {
+ int mysize, extra_shift;
+
+ if (op->format == FMT_1)
+ mysize = 1;
+ else if (op->format == FMT_2
+ || op->format == FMT_4)
+ mysize = 2;
+ else if (op->format == FMT_3
+ || op->format == FMT_5)
+ mysize = 3;
+ else if (op->format == FMT_6)
+ mysize = 4;
+ else if (op->format == FMT_7)
+ mysize = 5;
+ else
+ abort ();
+
+ if (op->format == FMT_2 || op->format == FMT_5)
+ extra_shift = 8;
+ else if (op->format == FMT_3
+ || op->format == FMT_6
+ || op->format == FMT_7)
+ extra_shift = 16;
+ else
+ extra_shift = 0;
+
+ if ((op->mask & insn) == op->opcode
+ && size == (unsigned int) mysize)
+ {
+ const unsigned char *opindex_ptr;
+ unsigned int nocomma;
+ int paren = 0;
+
+ match = 1;
+ (*info->fprintf_func) (info->stream, "%s\t", op->name);
+
+ /* Now print the operands. */
+ for (opindex_ptr = op->operands, nocomma = 1;
+ *opindex_ptr != 0;
+ opindex_ptr++)
+ {
+ unsigned long value;
+
+ operand = &mn10200_operands[*opindex_ptr];
+
+ if ((operand->flags & MN10200_OPERAND_DREG) != 0
+ || (operand->flags & MN10200_OPERAND_AREG) != 0)
+ value = ((insn >> (operand->shift + extra_shift))
+ & ((1 << operand->bits) - 1));
+ else if ((operand->flags & MN10200_OPERAND_EXTENDED) != 0)
+ {
+ value = (insn & 0xffff) << 8;
+ value |= extension;
+ }
+ else
+ value = ((insn >> (operand->shift))
+ & ((1L << operand->bits) - 1L));
+
+ if ((operand->flags & MN10200_OPERAND_SIGNED) != 0)
+ value = ((long)(value << (32 - operand->bits))
+ >> (32 - operand->bits));
+
+ if (!nocomma
+ && (!paren
+ || ((operand->flags & MN10200_OPERAND_PAREN) == 0)))
+ (*info->fprintf_func) (info->stream, ",");
+
+ nocomma = 0;
+
+ if ((operand->flags & MN10200_OPERAND_DREG) != 0)
+ (*info->fprintf_func) (info->stream, "d%ld", value);
+
+ else if ((operand->flags & MN10200_OPERAND_AREG) != 0)
+ (*info->fprintf_func) (info->stream, "a%ld", value);
+
+ else if ((operand->flags & MN10200_OPERAND_PSW) != 0)
+ (*info->fprintf_func) (info->stream, "psw");
+
+ else if ((operand->flags & MN10200_OPERAND_MDR) != 0)
+ (*info->fprintf_func) (info->stream, "mdr");
+
+ else if ((operand->flags & MN10200_OPERAND_PAREN) != 0)
+ {
+ if (paren)
+ (*info->fprintf_func) (info->stream, ")");
+ else
+ {
+ (*info->fprintf_func) (info->stream, "(");
+ nocomma = 1;
+ }
+ paren = !paren;
+ }
+
+ else if ((operand->flags & MN10200_OPERAND_PCREL) != 0)
+ (*info->print_address_func)
+ ((value + memaddr + mysize) & 0xffffff, info);
+
+ else if ((operand->flags & MN10200_OPERAND_MEMADDR) != 0)
+ (*info->print_address_func) (value, info);
+
+ else
+ (*info->fprintf_func) (info->stream, "%ld", value);
+ }
+ /* All done. */
+ break;
+ }
+ op++;
+ }
+
+ if (!match)
+ (*info->fprintf_func) (info->stream, _("unknown\t0x%04lx"), insn);
+}
-int
-print_insn_mn10200 (memaddr, info)
- bfd_vma memaddr;
- struct disassemble_info *info;
+int
+print_insn_mn10200 (bfd_vma memaddr, struct disassemble_info *info)
{
int status;
bfd_byte buffer[4];
}
else
{
- (*info->fprintf_func) (info->stream, _("unknown\t0x%02x"), insn);
+ (*info->fprintf_func) (info->stream, _("unknown\t0x%02lx"), insn);
return 1;
}
return consume;
}
-
-static void
-disassemble (memaddr, info, insn, extension, size)
- bfd_vma memaddr;
- struct disassemble_info *info;
- unsigned long insn;
- unsigned long extension;
- unsigned int size;
-{
- struct mn10200_opcode *op = (struct mn10200_opcode *)mn10200_opcodes;
- const struct mn10200_operand *operand;
- int match = 0;
-
- /* Find the opcode. */
- while (op->name)
- {
- int mysize, extra_shift;
-
- if (op->format == FMT_1)
- mysize = 1;
- else if (op->format == FMT_2
- || op->format == FMT_4)
- mysize = 2;
- else if (op->format == FMT_3
- || op->format == FMT_5)
- mysize = 3;
- else if (op->format == FMT_6)
- mysize = 4;
- else if (op->format == FMT_7)
- mysize = 5;
- else
- abort ();
-
- if (op->format == FMT_2 || op->format == FMT_5)
- extra_shift = 8;
- else if (op->format == FMT_3
- || op->format == FMT_6
- || op->format == FMT_7)
- extra_shift = 16;
- else
- extra_shift = 0;
-
- if ((op->mask & insn) == op->opcode
- && size == (unsigned int) mysize)
- {
- const unsigned char *opindex_ptr;
- unsigned int nocomma;
- int paren = 0;
-
- match = 1;
- (*info->fprintf_func) (info->stream, "%s\t", op->name);
-
- /* Now print the operands. */
- for (opindex_ptr = op->operands, nocomma = 1;
- *opindex_ptr != 0;
- opindex_ptr++)
- {
- unsigned long value;
-
- operand = &mn10200_operands[*opindex_ptr];
-
- if ((operand->flags & MN10200_OPERAND_EXTENDED) != 0)
- {
- value = (insn & 0xffff) << 8;
- value |= extension;
- }
- else
- {
- value = ((insn >> (operand->shift))
- & ((1L << operand->bits) - 1L));
- }
-
- if ((operand->flags & MN10200_OPERAND_SIGNED) != 0)
- value = ((long)(value << (32 - operand->bits))
- >> (32 - operand->bits));
-
- if (!nocomma
- && (!paren
- || ((operand->flags & MN10200_OPERAND_PAREN) == 0)))
- (*info->fprintf_func) (info->stream, ",");
-
- nocomma = 0;
-
- if ((operand->flags & MN10200_OPERAND_DREG) != 0)
- {
- value = ((insn >> (operand->shift + extra_shift))
- & ((1 << operand->bits) - 1));
- (*info->fprintf_func) (info->stream, "d%d", value);
- }
-
- else if ((operand->flags & MN10200_OPERAND_AREG) != 0)
- {
- value = ((insn >> (operand->shift + extra_shift))
- & ((1 << operand->bits) - 1));
- (*info->fprintf_func) (info->stream, "a%d", value);
- }
-
- else if ((operand->flags & MN10200_OPERAND_PSW) != 0)
- (*info->fprintf_func) (info->stream, "psw");
-
- else if ((operand->flags & MN10200_OPERAND_MDR) != 0)
- (*info->fprintf_func) (info->stream, "mdr");
-
- else if ((operand->flags & MN10200_OPERAND_PAREN) != 0)
- {
- if (paren)
- (*info->fprintf_func) (info->stream, ")");
- else
- {
- (*info->fprintf_func) (info->stream, "(");
- nocomma = 1;
- }
- paren = !paren;
- }
-
- else if ((operand->flags & MN10200_OPERAND_PCREL) != 0)
- (*info->print_address_func) ((value + memaddr + mysize) & 0xffffff, info);
-
- else if ((operand->flags & MN10200_OPERAND_MEMADDR) != 0)
- (*info->print_address_func) (value, info);
-
- else
- (*info->fprintf_func) (info->stream, "%ld", value);
- }
- /* All done. */
- break;
- }
- op++;
- }
-
- if (!match)
- {
- (*info->fprintf_func) (info->stream, _("unknown\t0x%04lx"), insn);
- }
-}
projects / thirdparty / binutils-gdb.git / blobdiff