OpenE2K
/
binutils-gdb
12
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

update copyrights

This commit is contained in:
Ian Lance Taylor 1997-02-23 23:05:35 +00:00
parent 9218cee06b
commit 8a974fdc24
1 changed files with 15 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
opcodes/d10v-dis.c
View File

@ -1,5 +1,5 @@
/* Disassemble D10V instructions. /* Disassemble D10V instructions.
Copyright (C) 1996 Free Software Foundation, Inc. Copyright (C) 1996, 1997 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify 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 it under the terms of the GNU General Public License as published by
@ -21,6 +21,10 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#include "opcode/d10v.h" #include "opcode/d10v.h"
#include "dis-asm.h" #include "dis-asm.h"
/* the PC wraps at 18 bits, except for the segment number */
/* so use this mask to keep the parts we want */
#define PC_MASK 0x03003FFF
static void dis_2_short PARAMS ((unsigned long insn, bfd_vma memaddr, static void dis_2_short PARAMS ((unsigned long insn, bfd_vma memaddr,
struct disassemble_info *info, int order)); struct disassemble_info *info, int order));
static void dis_long PARAMS ((unsigned long insn, bfd_vma memaddr, static void dis_long PARAMS ((unsigned long insn, bfd_vma memaddr,
@ -145,14 +149,14 @@ print_operand (oper, insn, op, memaddr, info)
max = (1 << (oper->bits - 1)); max = (1 << (oper->bits - 1));
if (num & max) if (num & max)
{ {
num = -num & (max-1); num = -num & ((1 << oper->bits)-1);
neg = 1; neg = 1;
} }
num = num<<2; num = num<<2;
if (neg) if (neg)
(*info->print_address_func) (memaddr - num, info); (*info->print_address_func) ((memaddr - num) & PC_MASK, info);
else else
(*info->print_address_func) (memaddr + num, info); (*info->print_address_func) ((memaddr + num) & PC_MASK, info);
} }
else else
{ {
@ -161,8 +165,7 @@ print_operand (oper, insn, op, memaddr, info)
int max = (1 << (oper->bits - 1)); int max = (1 << (oper->bits - 1));
if (num & max) if (num & max)
{ {
num = -num; num = -num & ((1 << oper->bits)-1);
num &= (max-1);
(*info->fprintf_func) (info->stream, "-"); (*info->fprintf_func) (info->stream, "-");
} }
} }
@ -183,11 +186,13 @@ dis_long (insn, memaddr, info)
struct d10v_opcode *op = (struct d10v_opcode *)d10v_opcodes; struct d10v_opcode *op = (struct d10v_opcode *)d10v_opcodes;
struct d10v_operand *oper; struct d10v_operand *oper;
int need_paren = 0; int need_paren = 0;
int match = 0;
while (op->name) while (op->name)
{ {
if ((op->format & LONG_OPCODE) && ((op->mask & insn) == op->opcode)) if ((op->format & LONG_OPCODE) && ((op->mask & insn) == op->opcode))
{ {
match = 1;
(*info->fprintf_func) (info->stream, "%s\t", op->name); (*info->fprintf_func) (info->stream, "%s\t", op->name);
for ( i=0; op->operands[i]; i++) for ( i=0; op->operands[i]; i++)
{ {
@ -204,6 +209,10 @@ dis_long (insn, memaddr, info)
} }
op++; op++;
} }
if (!match)
(*info->fprintf_func) (info->stream, ".long\t0x%08x",insn);
if (need_paren) if (need_paren)
(*info->fprintf_func) (info->stream, ")"); (*info->fprintf_func) (info->stream, ")");
} }