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| author | Ian Lance Taylor <ian@airs.com> | 1997-02-23 23:05:35 +0000 |
|---|---|---|
| committer | Ian Lance Taylor <ian@airs.com> | 1997-02-23 23:05:35 +0000 |
| commit | 8a974fdc24e10d752e298053bdea8dbfbda7b738 (patch) | |
| tree | 516640bc232e56c475486deb483646ac7f80fe22 /opcodes/d10v-dis.c | |
| parent | 9218cee06b920313d5d1e45bcdac166df6510c26 (diff) | |
| download | gdb-8a974fdc24e10d752e298053bdea8dbfbda7b738.zip gdb-8a974fdc24e10d752e298053bdea8dbfbda7b738.tar.gz gdb-8a974fdc24e10d752e298053bdea8dbfbda7b738.tar.bz2 | |
update copyrights
Diffstat (limited to 'opcodes/d10v-dis.c')
| -rw-r--r-- | opcodes/d10v-dis.c | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/opcodes/d10v-dis.c b/opcodes/d10v-dis.c index ccc07e9..04184f8 100644 --- a/opcodes/d10v-dis.c +++ b/opcodes/d10v-dis.c @@ -1,5 +1,5 @@ /* 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 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 "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, struct disassemble_info *info, int order)); 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)); if (num & max) { - num = -num & (max-1); + num = -num & ((1 << oper->bits)-1); neg = 1; } num = num<<2; if (neg) - (*info->print_address_func) (memaddr - num, info); + (*info->print_address_func) ((memaddr - num) & PC_MASK, info); else - (*info->print_address_func) (memaddr + num, info); + (*info->print_address_func) ((memaddr + num) & PC_MASK, info); } else { @@ -161,8 +165,7 @@ print_operand (oper, insn, op, memaddr, info) int max = (1 << (oper->bits - 1)); if (num & max) { - num = -num; - num &= (max-1); + num = -num & ((1 << oper->bits)-1); (*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_operand *oper; int need_paren = 0; + int match = 0; while (op->name) { if ((op->format & LONG_OPCODE) && ((op->mask & insn) == op->opcode)) { + match = 1; (*info->fprintf_func) (info->stream, "%s\t", op->name); for ( i=0; op->operands[i]; i++) { @@ -204,6 +209,10 @@ dis_long (insn, memaddr, info) } op++; } + + if (!match) + (*info->fprintf_func) (info->stream, ".long\t0x%08x",insn); + if (need_paren) (*info->fprintf_func) (info->stream, ")"); } |