/* Disassemble moxie instructions.
- Copyright 2009
- Free Software Foundation, Inc.
+ Copyright (C) 2009-2014 Free Software Foundation, Inc.
This file is part of the GNU opcodes library.
Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
MA 02110-1301, USA. */
-#include <stdio.h>
#include "sysdep.h"
+#include <stdio.h>
+
#define STATIC_TABLE
#define DEFINE_TABLE
/* Macros to extract operands from the instruction word. */
#define OP_A(i) ((i >> 4) & 0xf)
#define OP_B(i) (i & 0xf)
+#define INST2OFFSET(o) ((((signed short)((o & ((1<<10)-1))<<6))>>6)<<1)
static const char * reg_names[16] =
{ "$fp", "$sp", "$r0", "$r1", "$r2", "$r3", "$r4", "$r5",
if ((status = info->read_memory_func (addr, buffer, 2, info)))
goto fail;
- iword = bfd_getb16 (buffer);
+
+ if (info->endian == BFD_ENDIAN_BIG)
+ iword = bfd_getb16 (buffer);
+ else
+ iword = bfd_getl16 (buffer);
/* Form 1 instructions have the high bit set to 0. */
if ((iword & (1<<15)) == 0)
unsigned imm;
if ((status = info->read_memory_func (addr + 2, buffer, 4, info)))
goto fail;
- imm = bfd_getb32 (buffer);
+ if (info->endian == BFD_ENDIAN_BIG)
+ imm = bfd_getb32 (buffer);
+ else
+ imm = bfd_getl32 (buffer);
fpr (stream, "%s\t%s, 0x%x", opcode->name,
reg_names[OP_A(iword)], imm);
length = 6;
unsigned imm;
if ((status = info->read_memory_func (addr + 2, buffer, 4, info)))
goto fail;
- imm = bfd_getb32 (buffer);
+ if (info->endian == BFD_ENDIAN_BIG)
+ imm = bfd_getb32 (buffer);
+ else
+ imm = bfd_getl32 (buffer);
fpr (stream, "%s\t0x%x", opcode->name, imm);
length = 6;
}
unsigned imm;
if ((status = info->read_memory_func (addr + 2, buffer, 4, info)))
goto fail;
- imm = bfd_getb32 (buffer);
+ if (info->endian == BFD_ENDIAN_BIG)
+ imm = bfd_getb32 (buffer);
+ else
+ imm = bfd_getl32 (buffer);
fpr (stream, "%s\t", opcode->name);
info->print_address_func ((bfd_vma) imm, info);
length = 6;
unsigned imm;
if ((status = info->read_memory_func (addr + 2, buffer, 4, info)))
goto fail;
- imm = bfd_getb32 (buffer);
+ if (info->endian == BFD_ENDIAN_BIG)
+ imm = bfd_getb32 (buffer);
+ else
+ imm = bfd_getl32 (buffer);
fpr (stream, "%s\t0x%x, %s",
opcode->name, imm, reg_names[OP_A(iword)]);
length = 6;
unsigned imm;
if ((status = info->read_memory_func (addr+2, buffer, 4, info)))
goto fail;
- imm = bfd_getb32 (buffer);
+ if (info->endian == BFD_ENDIAN_BIG)
+ imm = bfd_getb32 (buffer);
+ else
+ imm = bfd_getl32 (buffer);
fpr (stream, "%s\t0x%x(%s), %s", opcode->name,
imm,
reg_names[OP_A(iword)],
unsigned imm;
if ((status = info->read_memory_func (addr+2, buffer, 4, info)))
goto fail;
- imm = bfd_getb32 (buffer);
+ if (info->endian == BFD_ENDIAN_BIG)
+ imm = bfd_getb32 (buffer);
+ else
+ imm = bfd_getl32 (buffer);
fpr (stream, "%s\t%s, 0x%x(%s)",
opcode->name,
reg_names[OP_A(iword)],
length = 6;
}
break;
+ case MOXIE_BAD:
+ fpr (stream, "bad");
+ break;
default:
- abort ();
+ abort();
}
}
else if ((iword & (1<<14)) == 0)
case MOXIE_F2_NARG:
fpr (stream, "%s", opcode->name);
break;
+ case MOXIE_BAD:
+ fpr (stream, "bad");
+ break;
default:
abort();
}
else
{
/* Extract the Form 3 opcode. */
- opcode = &moxie_form2_opc_info[(iword >> 12) & 3];
+ opcode = &moxie_form3_opc_info[(iword >> 10) & 15];
switch (opcode->itype)
{
- case MOXIE_F3_NARG:
- fpr (stream, "%s", opcode->name);
+ case MOXIE_F3_PCREL:
+ fpr (stream, "%s\t", opcode->name);
+ info->print_address_func ((bfd_vma) (addr + INST2OFFSET(iword) + 2),
+ info);
+ break;
+ case MOXIE_BAD:
+ fpr (stream, "bad");
break;
default:
abort();