/* Disassemble Motorola M*Core instructions.
- Copyright (C) 1993-2014 Free Software Foundation, Inc.
+ Copyright (C) 1993-2020 Free Software Foundation, Inc.
This file is part of the GNU opcodes library.
#include "sysdep.h"
#include <stdio.h>
+#include "libiberty.h"
#define STATIC_TABLE
#define DEFINE_TABLE
#include "mcore-opc.h"
-#include "dis-asm.h"
+#include "disassemble.h"
/* Mask for each mcore_opclass: */
static const unsigned short imsk[] = {
static const unsigned isiz[] = { 2, 0, 1, 0 };
int
-print_insn_mcore (memaddr, info)
- bfd_vma memaddr;
- struct disassemble_info *info;
+print_insn_mcore (bfd_vma memaddr,
+ struct disassemble_info *info)
{
unsigned char ibytes[4];
fprintf_ftype print_func = info->fprintf_func;
void *stream = info->stream;
unsigned short inst;
- const mcore_opcode_info *op;
+ unsigned int i;
int status;
info->bytes_per_chunk = 2;
abort ();
/* Just a linear search of the table. */
- for (op = mcore_table; op->name != 0; op++)
- if (op->inst == (inst & imsk[op->opclass]))
+ for (i = 0; i < ARRAY_SIZE (mcore_table); i++)
+ if (mcore_table[i].inst == (inst & imsk[mcore_table[i].opclass]))
break;
- if (op->name == 0)
+ if (i == ARRAY_SIZE (mcore_table))
(*print_func) (stream, ".short 0x%04x", inst);
else
{
const char *name = grname[inst & 0x0F];
- (*print_func) (stream, "%s", op->name);
+ (*print_func) (stream, "%s", mcore_table[i].name);
- switch (op->opclass)
+ switch (mcore_table[i].opclass)
{
case O0:
break;
case BR:
{
- long val = inst & 0x3FF;
+ uint32_t val = ((inst & 0x3FF) ^ 0x400) - 0x400;
- if (inst & 0x400)
- val |= 0xFFFFFC00;
+ val = memaddr + 2 + (val << 1);
+ (*print_func) (stream, "\t0x%x", val);
- (*print_func) (stream, "\t0x%lx", (long)(memaddr + 2 + (val << 1)));
-
- if (strcmp (op->name, "bsr") == 0)
+ if (strcmp (mcore_table[i].name, "bsr") == 0)
{
/* For bsr, we'll try to get a symbol for the target. */
- val = memaddr + 2 + (val << 1);
-
if (info->print_address_func && val != 0)
{
(*print_func) (stream, "\t// ");
case BL:
{
- long val;
- val = (inst & 0x000F);
- (*print_func) (stream, "\t%s, 0x%lx",
+ uint32_t val = inst & 0x000F;
+ (*print_func) (stream, "\t%s, 0x%x",
grname[(inst >> 4) & 0xF],
- (long) (memaddr - (val << 1)));
+ (uint32_t) (memaddr - (val << 1)));
}
break;
case LR:
{
- unsigned long val;
+ uint32_t val;
- val = (memaddr + 2 + ((inst & 0xFF) << 2)) & 0xFFFFFFFC;
+ val = (memaddr + 2 + ((inst & 0xFF) << 2)) & ~3;
+ /* We are not reading an instruction, so allow
+ reads to extend beyond the next symbol. */
+ info->stop_vma = 0;
status = info->read_memory_func (val, ibytes, 4, info);
if (status != 0)
{
}
if (info->endian == BFD_ENDIAN_LITTLE)
- val = (ibytes[3] << 24) | (ibytes[2] << 16)
- | (ibytes[1] << 8) | (ibytes[0]);
+ val = (((unsigned) ibytes[3] << 24) | (ibytes[2] << 16)
+ | (ibytes[1] << 8) | (ibytes[0]));
else
- val = (ibytes[0] << 24) | (ibytes[1] << 16)
- | (ibytes[2] << 8) | (ibytes[3]);
+ val = (((unsigned) ibytes[0] << 24) | (ibytes[1] << 16)
+ | (ibytes[2] << 8) | (ibytes[3]));
/* Removed [] around literal value to match ABI syntax 12/95. */
- (*print_func) (stream, "\t%s, 0x%lX", grname[(inst >> 8) & 0xF], val);
+ (*print_func) (stream, "\t%s, 0x%X", grname[(inst >> 8) & 0xF], val);
if (val == 0)
- (*print_func) (stream, "\t// from address pool at 0x%lx",
- (long) (memaddr + 2
- + ((inst & 0xFF) << 2)) & 0xFFFFFFFC);
+ (*print_func) (stream, "\t// from address pool at 0x%x",
+ (uint32_t) (memaddr + 2
+ + ((inst & 0xFF) << 2)) & ~3);
}
break;
case LJ:
{
- unsigned long val;
+ uint32_t val;
- val = (memaddr + 2 + ((inst & 0xFF) << 2)) & 0xFFFFFFFC;
+ val = (memaddr + 2 + ((inst & 0xFF) << 2)) & ~3;
+ /* We are not reading an instruction, so allow
+ reads to extend beyond the next symbol. */
+ info->stop_vma = 0;
status = info->read_memory_func (val, ibytes, 4, info);
if (status != 0)
{
}
if (info->endian == BFD_ENDIAN_LITTLE)
- val = (ibytes[3] << 24) | (ibytes[2] << 16)
- | (ibytes[1] << 8) | (ibytes[0]);
+ val = (((unsigned) ibytes[3] << 24) | (ibytes[2] << 16)
+ | (ibytes[1] << 8) | (ibytes[0]));
else
- val = (ibytes[0] << 24) | (ibytes[1] << 16)
- | (ibytes[2] << 8) | (ibytes[3]);
+ val = (((unsigned) ibytes[0] << 24) | (ibytes[1] << 16)
+ | (ibytes[2] << 8) | (ibytes[3]));
/* Removed [] around literal value to match ABI syntax 12/95. */
- (*print_func) (stream, "\t0x%lX", val);
+ (*print_func) (stream, "\t0x%X", val);
/* For jmpi/jsri, we'll try to get a symbol for the target. */
if (info->print_address_func && val != 0)
{
}
else
{
- (*print_func) (stream, "\t// from address pool at 0x%lx",
- (long) (memaddr + 2
- + ((inst & 0xFF) << 2)) & 0xFFFFFFFC);
+ (*print_func) (stream, "\t// from address pool at 0x%x",
+ (uint32_t) (memaddr + 2
+ + ((inst & 0xFF) << 2)) & ~3);
}
}
break;