/* Disassembly routines for TMS320C30 architecture
- Copyright 1998, 1999, 2000, 2002, 2005 Free Software Foundation, Inc.
+ Copyright (C) 1998-2021 Free Software Foundation, Inc.
Contributed by Steven Haworth (steve@pm.cse.rmit.edu.au)
- This program is free software; you can redistribute it and/or modify
+ This file is part of the GNU opcodes library.
+
+ This library is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
+ the Free Software Foundation; either version 3, or (at your option)
+ any later version.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
+ It is distributed in the hope that it will be useful, but WITHOUT
+ ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ or FITNESS FOR A PARTICULAR PURPOSE. See the 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., 51 Franklin Street - Fifth Floor, Boston, MA
- 02110-1301, USA. */
+ along with this file; see the file COPYING. If not, write to the
+ Free Software Foundation, 51 Franklin Street - Fifth Floor, Boston,
+ MA 02110-1301, USA. */
+#include "sysdep.h"
#include <errno.h>
#include <math.h>
-#include "sysdep.h"
-#include "dis-asm.h"
+#include "disassemble.h"
#include "opcode/tic30.h"
#define NORMAL_INSN 1
struct instruction
{
int type;
- template *tm;
+ insn_template *tm;
partemplate *ptm;
};
case THREE_OPERAND:
insn->type = NORMAL_INSN;
{
- template *current_optab = (template *) tic30_optab;
+ insn_template *current_optab = (insn_template *) tic30_optab;
for (; current_optab < tic30_optab_end; current_optab++)
{
case BRANCHES:
insn->type = NORMAL_INSN;
{
- template *current_optab = (template *) tic30_optab;
+ insn_template *current_optab = (insn_template *) tic30_optab;
for (; current_optab < tic30_optab_end; current_optab++)
{
return 1;
}
+#define OPERAND_BUFFER_LEN 15
+
static int
get_register_operand (unsigned char fragment, char *buffer)
{
{
if ((fragment & 0x1F) == current_reg->opcode)
{
- strcpy (buffer, current_reg->name);
+ strncpy (buffer, current_reg->name, OPERAND_BUFFER_LEN - 1);
+ buffer[OPERAND_BUFFER_LEN - 1] = 0;
return 1;
}
}
int bufcnt;
len = strlen (current_ind->syntax);
+
for (i = 0, bufcnt = 0; i < len; i++, bufcnt++)
{
buffer[bufcnt] = current_ind->syntax[i];
- if (buffer[bufcnt - 1] == 'a' && buffer[bufcnt] == 'r')
+
+ if (bufcnt > 0
+ && bufcnt < OPERAND_BUFFER_LEN - 1
+ && buffer[bufcnt - 1] == 'a'
+ && buffer[bufcnt] == 'r')
buffer[++bufcnt] = arnum + '0';
- if (buffer[bufcnt] == '('
+
+ if (bufcnt < OPERAND_BUFFER_LEN - 1
+ && buffer[bufcnt] == '('
&& current_ind->displacement == DISP_REQUIRED)
{
- sprintf (&buffer[bufcnt + 1], "%u", disp);
- bufcnt += strlen (&buffer[bufcnt + 1]);
+ snprintf (buffer + (bufcnt + 1),
+ OPERAND_BUFFER_LEN - (bufcnt + 1),
+ "%u", disp);
+ bufcnt += strlen (buffer + (bufcnt + 1));
}
}
buffer[bufcnt + 1] = '\0';
static int
cnvt_tmsfloat_ieee (unsigned long tmsfloat, int size, float *ieeefloat)
{
- unsigned long exp, sign, mant;
+ unsigned long exponent, sign, mant;
union
{
unsigned long l;
tmsfloat = (long) tmsfloat >> 4;
}
}
- exp = tmsfloat & 0xFF000000;
- if (exp == 0x80000000)
+ exponent = tmsfloat & 0xFF000000;
+ if (exponent == 0x80000000)
{
*ieeefloat = 0.0;
return 1;
}
- exp += 0x7F000000;
+ exponent += 0x7F000000;
sign = (tmsfloat & 0x00800000) << 8;
mant = tmsfloat & 0x007FFFFF;
- if (exp == 0xFF000000)
+ if (exponent == 0xFF000000)
{
if (mant == 0)
*ieeefloat = ERANGE;
#endif
return 1;
}
- exp >>= 1;
+ exponent >>= 1;
if (sign)
{
mant = (~mant) & 0x007FFFFF;
mant += 1;
- exp += mant & 0x00800000;
- exp &= 0x7F800000;
+ exponent += mant & 0x00800000;
+ exponent &= 0x7F800000;
mant &= 0x007FFFFF;
}
if (tmsfloat == 0x80000000)
- sign = mant = exp = 0;
- tmsfloat = sign | exp | mant;
+ sign = mant = exponent = 0;
+ tmsfloat = sign | exponent | mant;
val.l = tmsfloat;
*ieeefloat = val.f;
return 1;
struct instruction *insn)
{
char name[12];
- char operand[2][13] =
+ char operand[2][OPERAND_BUFFER_LEN] =
{
{0},
{0}
unsigned long insn_word,
struct instruction *insn)
{
- char operand[3][13] =
+ char operand[3][OPERAND_BUFFER_LEN] =
{
{0},
{0},
{
size_t i, len;
char *name1, *name2;
- char operand[2][3][13] =
+ char operand[2][3][OPERAND_BUFFER_LEN] =
{
{
{0},
unsigned long insn_word,
struct instruction *insn)
{
- char operand[2][13] =
+ char operand[2][OPERAND_BUFFER_LEN] =
{
{0},
{0}
if (address == 0)
info->fprintf_func (info->stream, " <%s>", sym->name);
else
- info->fprintf_func (info->stream, " <%s %c %d>", sym->name,
+ info->fprintf_func (info->stream, " <%s %c %lu>", sym->name,
((short) address < 0) ? '-' : '+',
- abs (address));
+ address);
}
return 1;
}
struct instruction insn = { 0, NULL, NULL };
bfd_vma bufaddr = pc - info->buffer_vma;
+ if (bufaddr + 3 >= info->buffer_length)
+ return -1;
+
/* Obtain the current instruction word from the buffer. */
- insn_word = (*(info->buffer + bufaddr) << 24) | (*(info->buffer + bufaddr + 1) << 16) |
- (*(info->buffer + bufaddr + 2) << 8) | *(info->buffer + bufaddr + 3);
+ insn_word = (((unsigned) *(info->buffer + bufaddr) << 24)
+ | (*(info->buffer + bufaddr + 1) << 16)
+ | (*(info->buffer + bufaddr + 2) << 8)
+ | *(info->buffer + bufaddr + 3));
_pc = pc / 4;
- /* Get the instruction refered to by the current instruction word
+ /* Get the instruction referred to by the current instruction word
and print it out based on its type. */
if (!get_tic30_instruction (insn_word, &insn))
return -1;
projects / deliverable / binutils-gdb.git / blobdiff