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Diffstat (limited to 'opcodes/d10v-dis.c')
-rw-r--r--opcodes/d10v-dis.c136
1 files changed, 64 insertions, 72 deletions
diff --git a/opcodes/d10v-dis.c b/opcodes/d10v-dis.c
index b5f232a..55a3fd6 100644
--- a/opcodes/d10v-dis.c
+++ b/opcodes/d10v-dis.c
@@ -1,19 +1,20 @@
/* Disassemble D10V instructions.
- Copyright 1996, 1997, 1998, 2000, 2001 Free Software Foundation, Inc.
+ Copyright 1996, 1997, 1998, 2000, 2001, 2005 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 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.
+ 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., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
+ 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 <stdio.h>
@@ -25,57 +26,12 @@ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
so use this mask to keep the parts we want. */
#define PC_MASK 0x0303FFFF
-static void dis_2_short PARAMS ((unsigned long insn, bfd_vma memaddr,
- struct disassemble_info *info, int order));
-static void dis_long PARAMS ((unsigned long insn, bfd_vma memaddr,
- struct disassemble_info *info));
-static void print_operand
- PARAMS ((struct d10v_operand *, long unsigned int, struct d10v_opcode *,
- bfd_vma, struct disassemble_info *));
-
-int
-print_insn_d10v (memaddr, info)
- bfd_vma memaddr;
- struct disassemble_info *info;
-{
- int status;
- bfd_byte buffer[4];
- unsigned long insn;
-
- status = (*info->read_memory_func) (memaddr, buffer, 4, info);
- if (status != 0)
- {
- (*info->memory_error_func) (status, memaddr, info);
- return -1;
- }
- insn = bfd_getb32 (buffer);
-
- status = insn & FM11;
- switch (status)
- {
- case 0:
- dis_2_short (insn, memaddr, info, 2);
- break;
- case FM01:
- dis_2_short (insn, memaddr, info, 0);
- break;
- case FM10:
- dis_2_short (insn, memaddr, info, 1);
- break;
- case FM11:
- dis_long (insn, memaddr, info);
- break;
- }
- return 4;
-}
-
static void
-print_operand (oper, insn, op, memaddr, info)
- struct d10v_operand *oper;
- unsigned long insn;
- struct d10v_opcode *op;
- bfd_vma memaddr;
- struct disassemble_info *info;
+print_operand (struct d10v_operand *oper,
+ unsigned long insn,
+ struct d10v_opcode *op,
+ bfd_vma memaddr,
+ struct disassemble_info *info)
{
int num, shift;
@@ -117,6 +73,7 @@ print_operand (oper, insn, op, memaddr, info)
{
int i;
int match = 0;
+
num += (oper->flags
& (OPERAND_GPR | OPERAND_FFLAG | OPERAND_CFLAG | OPERAND_CONTROL));
if (oper->flags & (OPERAND_ACC0 | OPERAND_ACC1))
@@ -155,6 +112,7 @@ print_operand (oper, insn, op, memaddr, info)
{
long max;
int neg = 0;
+
max = (1 << (oper->bits - 1));
if (num & max)
{
@@ -189,10 +147,9 @@ print_operand (oper, insn, op, memaddr, info)
}
static void
-dis_long (insn, memaddr, info)
- unsigned long insn;
- bfd_vma memaddr;
- struct disassemble_info *info;
+dis_long (unsigned long insn,
+ bfd_vma memaddr,
+ struct disassemble_info *info)
{
int i;
struct d10v_opcode *op = (struct d10v_opcode *) d10v_opcodes;
@@ -202,10 +159,12 @@ dis_long (insn, memaddr, info)
while (op->name)
{
- if ((op->format & LONG_OPCODE) && ((op->mask & insn) == (unsigned long) op->opcode))
+ if ((op->format & LONG_OPCODE)
+ && ((op->mask & insn) == (unsigned long) op->opcode))
{
match = 1;
(*info->fprintf_func) (info->stream, "%s\t", op->name);
+
for (i = 0; op->operands[i]; i++)
{
oper = (struct d10v_operand *) &d10v_operands[op->operands[i]];
@@ -230,11 +189,10 @@ dis_long (insn, memaddr, info)
}
static void
-dis_2_short (insn, memaddr, info, order)
- unsigned long insn;
- bfd_vma memaddr;
- struct disassemble_info *info;
- int order;
+dis_2_short (unsigned long insn,
+ bfd_vma memaddr,
+ struct disassemble_info *info,
+ int order)
{
int i, j;
unsigned int ins[2];
@@ -302,3 +260,37 @@ dis_2_short (insn, memaddr, info, order)
if (need_paren)
(*info->fprintf_func) (info->stream, ")");
}
+
+int
+print_insn_d10v (bfd_vma memaddr, struct disassemble_info *info)
+{
+ int status;
+ bfd_byte buffer[4];
+ unsigned long insn;
+
+ status = (*info->read_memory_func) (memaddr, buffer, 4, info);
+ if (status != 0)
+ {
+ (*info->memory_error_func) (status, memaddr, info);
+ return -1;
+ }
+ insn = bfd_getb32 (buffer);
+
+ status = insn & FM11;
+ switch (status)
+ {
+ case 0:
+ dis_2_short (insn, memaddr, info, 2);
+ break;
+ case FM01:
+ dis_2_short (insn, memaddr, info, 0);
+ break;
+ case FM10:
+ dis_2_short (insn, memaddr, info, 1);
+ break;
+ case FM11:
+ dis_long (insn, memaddr, info);
+ break;
+ }
+ return 4;
+}
generated by cgit v1.1 at 2024-11-24 18:56:52 +0000