/* Print National Semiconductor 32000 instructions.
- Copyright 1986, 1988, 1991, 1992, 1994, 1998, 2001, 2002, 2005, 2007
- Free Software Foundation, Inc.
+ Copyright (C) 1986-2019 Free Software Foundation, Inc.
This file is part of the GNU opcodes library.
#include "sysdep.h"
#include "bfd.h"
-#include "dis-asm.h"
+#include "disassemble.h"
#if !defined(const) && !defined(__STDC__)
#define const
#endif
bfd_byte *max_fetched;
bfd_byte the_buffer[MAXLEN];
bfd_vma insn_start;
- jmp_buf bailout;
+ OPCODES_SIGJMP_BUF bailout;
};
if (status != 0)
{
(*info->memory_error_func) (status, start, info);
- longjmp (priv->bailout, 1);
+ OPCODES_SIGLONGJMP (priv->bailout, 1);
}
else
priv->max_fetched = addr;
static int
bit_extract (bfd_byte *buffer, int offset, int count)
{
- int result;
- int bit;
+ unsigned int result;
+ unsigned int bit;
+ if (offset < 0 || count < 0)
+ return 0;
buffer += offset >> 3;
offset &= 7;
bit = 1;
static int
bit_extract_simple (bfd_byte *buffer, int offset, int count)
{
- int result;
- int bit;
+ unsigned int result;
+ unsigned int bit;
+ if (offset < 0 || count < 0)
+ return 0;
buffer += offset >> 3;
offset &= 7;
bit = 1;
static void
bit_copy (bfd_byte *buffer, int offset, int count, char *to)
{
+ if (offset < 0 || count < 0)
+ return;
for (; count > 8; count -= 8, to++, offset += 8)
*to = bit_extract (buffer, offset, 8);
*to = bit_extract (buffer, offset, count);
}
static int
-sign_extend (int value, int bits)
+sign_extend (unsigned int value, unsigned int bits)
{
- value = value & ((1 << bits) - 1);
- return (value & (1 << (bits - 1))
- ? value | (~((1 << bits) - 1))
- : value);
+ unsigned int sign = 1u << (bits - 1);
+ return ((value & (sign + sign - 1)) ^ sign) - sign;
}
static void
#else
/* Assumes the bytes have been swapped to local order. */
typedef union
-{
+{
double d;
float f;
struct { unsigned m:23, e:8, :1;} sf;
int Ivalue;
int addr_mode;
int disp1, disp2;
- int index;
int size;
switch (d)
case 'f':
/* A "gen" operand but 5 bits from the end of instruction. */
ioffset -= 5;
+ /* Fall through. */
case 'Z':
case 'F':
case 'L':
case 0x1d:
case 0x1e:
case 0x1f:
- /* Scaled index basemode[R0 -- R7:B,W,D,Q]. */
- index = bit_extract (buffer, index_offset - 8, 3);
- print_insn_arg (d, index_offset, aoffsetp, buffer, addr,
- result, 0);
{
+ int bit_index;
static const char *ind = "bwdq";
char *off;
+ /* Scaled index basemode[R0 -- R7:B,W,D,Q]. */
+ bit_index = bit_extract (buffer, index_offset - 8, 3);
+ print_insn_arg (d, index_offset, aoffsetp, buffer, addr,
+ result, 0);
off = result + strlen (result);
- sprintf (off, "[r%d:%c]", index,
- ind[addr_mode & 3]);
+ sprintf (off, "[r%d:%c]", bit_index, ind[addr_mode & 3]);
}
break;
}
info->private_data = & priv;
priv.max_fetched = priv.the_buffer;
priv.insn_start = memaddr;
- if (setjmp (priv.bailout) != 0)
+ if (OPCODES_SIGSETJMP (priv.bailout) != 0)
/* Error return. */
return -1;
/* 0 for operand A, 1 for operand B, greater for other args. */
int whicharg = 0;
-
+
(*dis_info->fprintf_func)(dis_info->stream, "\t");
maxarg = 0;
memaddr, arg_bufs[argnum],
index_offset[whicharg]);
d++;
- whicharg++;
+ if (whicharg++ >= 1)
+ break;
}
+
for (argnum = 0; argnum <= maxarg; argnum++)
{
bfd_vma addr;