darkkirb/old-cross-binutils
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

* mips-dis.c (print_insn_arg): Print condition code registers as

Browse source 
$fccN.
This commit is contained in:
Ian Lance Taylor 1996-09-09 18:27:10 +00:00
parent 293c76a376
commit 30b1724cc8
2 changed files with 86 additions and 32 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

9
opcodes/ChangeLog
View file

@ -1,3 +1,12 @@
Mon Sep 9 14:26:26 1996 Ian Lance Taylor <ian@cygnus.com>
* mips-dis.c (print_insn_arg): Print condition code registers as
$fccN.
Tue Sep 3 12:09:46 1996 Doug Evans <dje@canuck.cygnus.com>
* sparc-opc.c (sparc_opcodes): Add setuw, setsw, setx.
start-sanitize-v850
Tue Sep 3 12:05:25 1996 Jeffrey A Law (law@cygnus.com)

109
opcodes/mips-dis.c
View file

@ -16,16 +16,13 @@ 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., 675 Mass Ave, Cambridge, MA 02139, USA. */
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#include <ansidecl.h>
#include "sysdep.h"
#include "dis-asm.h"
#include "opcode/mips.h"
/* FIXME: we need direct access to the swapping functions. */
#include "libbfd.h"
/* Mips instructions are never longer than this many bytes. */
#define MAXLEN 4
@ -80,7 +77,7 @@ print_insn_arg (d, l, pc, info)
case 'i':
case 'u':
(*info->fprintf_func) (info->stream, "%d",
(*info->fprintf_func) (info->stream, "0x%x",
(l >> OP_SH_IMMEDIATE) & OP_MASK_IMMEDIATE);
break;
@ -93,6 +90,18 @@ print_insn_arg (d, l, pc, info)
delta);
break;
case 'h':
(*info->fprintf_func) (info->stream, "0x%x",
(unsigned int) ((l >> OP_SH_PREFX)
& OP_MASK_PREFX));
break;
case 'k':
(*info->fprintf_func) (info->stream, "0x%x",
(unsigned int) ((l >> OP_SH_CACHE)
& OP_MASK_CACHE));
break;
case 'a':
(*info->print_address_func)
(((pc & 0xF0000000) | (((l >> OP_SH_TARGET) & OP_MASK_TARGET) << 2)),
@ -155,6 +164,11 @@ print_insn_arg (d, l, pc, info)
(l >> OP_SH_FD) & OP_MASK_FD);
break;
case 'R':
(*info->fprintf_func) (info->stream, "$f%d",
(l >> OP_SH_FR) & OP_MASK_FR);
break;
case 'E':
(*info->fprintf_func) (info->stream, "$%d",
(l >> OP_SH_RT) & OP_MASK_RT);
@ -165,6 +179,16 @@ print_insn_arg (d, l, pc, info)
(l >> OP_SH_RD) & OP_MASK_RD);
break;
case 'N':
(*info->fprintf_func) (info->stream, "$fcc%d",
(l >> OP_SH_BCC) & OP_MASK_BCC);
break;
case 'M':
(*info->fprintf_func) (info->stream, "$fcc%d",
(l >> OP_SH_CCC) & OP_MASK_CCC);
break;
default:
(*info->fprintf_func) (info->stream,
"# internal error, undefined modifier(%c)", *d);
@ -177,43 +201,64 @@ print_insn_arg (d, l, pc, info)
always 4. BIGENDIAN must be 1 if this is big-endian code, 0 if
this is little-endian code. */
int
static int
_print_insn_mips (memaddr, word, info)
bfd_vma memaddr;
struct disassemble_info *info;
unsigned long int word;
{
register int i;
register const char *d;
register const struct mips_opcode *op;
static boolean init = 0;
static const struct mips_opcode *mips_hash[OP_MASK_OP + 1];
for (i = 0; i < NUMOPCODES; i++)
/* Build a hash table to shorten the search time. */
if (! init)
{
if (mips_opcodes[i].pinfo != INSN_MACRO)
unsigned int i;
for (i = 0; i <= OP_MASK_OP; i++)
{
register unsigned int match = mips_opcodes[i].match;
register unsigned int mask = mips_opcodes[i].mask;
if ((word & mask) == match)
break;
for (op = mips_opcodes; op < &mips_opcodes[NUMOPCODES]; op++)
{
if (op->pinfo == INSN_MACRO)
continue;
if (i == ((op->match >> OP_SH_OP) & OP_MASK_OP))
{
mips_hash[i] = op;
break;
}
}
}
init = 1;
}
op = mips_hash[(word >> OP_SH_OP) & OP_MASK_OP];
if (op != NULL)
{
for (; op < &mips_opcodes[NUMOPCODES]; op++)
{
if (op->pinfo != INSN_MACRO && (word & op->mask) == op->match)
{
register const char *d;
(*info->fprintf_func) (info->stream, "%s", op->name);
d = op->args;
if (d != NULL)
{
(*info->fprintf_func) (info->stream, " ");
for (; *d != '\0'; d++)
print_insn_arg (d, word, memaddr, info);
}
return 4;
}
}
}
/* Handle undefined instructions. */
if (i == NUMOPCODES)
{
(*info->fprintf_func) (info->stream, "0x%x", word);
return 4;
}
(*info->fprintf_func) (info->stream, "%s", mips_opcodes[i].name);
if (!(d = mips_opcodes[i].args))
return 4;
(*info->fprintf_func) (info->stream, " ");
while (*d)
print_insn_arg (d++, word, memaddr, info);
(*info->fprintf_func) (info->stream, "0x%x", word);
return 4;
}
@ -225,7 +270,7 @@ print_insn_big_mips (memaddr, info)
bfd_byte buffer[4];
int status = (*info->read_memory_func) (memaddr, buffer, 4, info);
if (status == 0)
return _print_insn_mips (memaddr, _do_getb32 (buffer), info);
return _print_insn_mips (memaddr, (unsigned long) bfd_getb32 (buffer), info);
else
{
(*info->memory_error_func) (status, memaddr, info);
@ -241,7 +286,7 @@ print_insn_little_mips (memaddr, info)
bfd_byte buffer[4];
int status = (*info->read_memory_func) (memaddr, buffer, 4, info);
if (status == 0)
return _print_insn_mips (memaddr, _do_getl32 (buffer), info);
return _print_insn_mips (memaddr, (unsigned long) bfd_getl32 (buffer), info);
else
{
(*info->memory_error_func) (status, memaddr, info);