binutils-gdb/opcodes/h8500-dis.c

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/* Disassemble h8500 instructions.
PR 14072 * configure.in: Add check that sysdep.h has been included before any system header files. * configure: Regenerate. * config.in: Regenerate. * sysdep.h: Generate an error if included before config.h. * alpha-opc.c: Include sysdep.h before any other header file. * alpha-dis.c: Likewise. * avr-dis.c: Likewise. * cgen-opc.c: Likewise. * cr16-dis.c: Likewise. * cris-dis.c: Likewise. * crx-dis.c: Likewise. * d10v-dis.c: Likewise. * d10v-opc.c: Likewise. * d30v-dis.c: Likewise. * d30v-opc.c: Likewise. * h8500-dis.c: Likewise. * i370-dis.c: Likewise. * i370-opc.c: Likewise. * m10200-dis.c: Likewise. * m10300-dis.c: Likewise. * micromips-opc.c: Likewise. * mips-opc.c: Likewise. * mips61-opc.c: Likewise. * moxie-dis.c: Likewise. * or32-opc.c: Likewise. * pj-dis.c: Likewise. * ppc-dis.c: Likewise. * ppc-opc.c: Likewise. * s390-dis.c: Likewise. * sh-dis.c: Likewise. * sh64-dis.c: Likewise. * sparc-dis.c: Likewise. * sparc-opc.c: Likewise. * spu-dis.c: Likewise. * tic30-dis.c: Likewise. * tic54x-dis.c: Likewise. * tic80-dis.c: Likewise. * tic80-opc.c: Likewise. * tilegx-dis.c: Likewise. * tilepro-dis.c: Likewise. * v850-dis.c: Likewise. * v850-opc.c: Likewise. * vax-dis.c: Likewise. * w65-dis.c: Likewise. * xgate-dis.c: Likewise. * xtensa-dis.c: Likewise. * rl78-decode.opc: Likewise. * rl78-decode.c: Regenerate. * rx-decode.opc: Likewise. * rx-decode.c: Regenerate. * configure.in: Add check that sysdep.h has been included before any system header files. * configure: Regenerate. * config.in: Regenerate. * sysdep.h: Generate an error if included before config.h. * configure.in: Add check that sysdep.h has been included before any system header files. * configure: Regenerate. * config.in: Regenerate. * aclocal.m4: Regenerate. * bfd-in.h: Generate an error if included before config.h. * sysdep.h: Likewise. * bfd-in2.h: Regenerate. * compress.c: Remove #include "config.h". * plugin.c: Likewise. * elf32-m68hc1x.c: Include sysdep.h before alloca-conf.h. * elf64-hppa.c: Likewise. * som.c: Likewise. * xsymc.c: Likewise. * configure.in: Add check that sysdep.h has been included before any system header files. * configure: Regenerate. * config.in: Regenerate. * configure.in: Add check that sysdep.h has been included before any system header files. * configure: Regenerate. * config.in: Regenerate. * aclocal.m4: Regenerate. * Makefile.am: Use wrappers around C files generated by flex. * Makefile.in: Regenerate. * doc/Makefile.in: Regenerate. * itbl-lex-wrapper.c: New file. * config/bfin-lex-wrapper.c: New file. * cgen.c: Include as.h before setjmp.h. * config/tc-dlx.c: Include as.h before any other header. * config/tc-h8300.c: Likewise. * config/tc-lm32.c: Likewise. * config/tc-mep.c: Likewise. * config/tc-microblaze.c: Likewise. * config/tc-mmix.c: Likewise. * config/tc-msp430.c: Likewise. * config/tc-or32.c: Likewise. * config/tc-tic4x.c: Likewise. * config/tc-tic54x.c: Likewise. * config/tc-xtensa.c: Likewise. * configure.in: Add check that sysdep.h has been included before any system header files. * configure: Regenerate. * config.in: Regenerate. * unwind-ia64.h: Include config.h.
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Copyright 1993, 1998, 2000, 2001, 2002, 2004, 2005, 2007, 2012
Free Software Foundation, Inc.
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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
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the Free Software Foundation; either version 3, or (at your option)
any later version.
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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.
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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. */
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PR 14072 * configure.in: Add check that sysdep.h has been included before any system header files. * configure: Regenerate. * config.in: Regenerate. * sysdep.h: Generate an error if included before config.h. * alpha-opc.c: Include sysdep.h before any other header file. * alpha-dis.c: Likewise. * avr-dis.c: Likewise. * cgen-opc.c: Likewise. * cr16-dis.c: Likewise. * cris-dis.c: Likewise. * crx-dis.c: Likewise. * d10v-dis.c: Likewise. * d10v-opc.c: Likewise. * d30v-dis.c: Likewise. * d30v-opc.c: Likewise. * h8500-dis.c: Likewise. * i370-dis.c: Likewise. * i370-opc.c: Likewise. * m10200-dis.c: Likewise. * m10300-dis.c: Likewise. * micromips-opc.c: Likewise. * mips-opc.c: Likewise. * mips61-opc.c: Likewise. * moxie-dis.c: Likewise. * or32-opc.c: Likewise. * pj-dis.c: Likewise. * ppc-dis.c: Likewise. * ppc-opc.c: Likewise. * s390-dis.c: Likewise. * sh-dis.c: Likewise. * sh64-dis.c: Likewise. * sparc-dis.c: Likewise. * sparc-opc.c: Likewise. * spu-dis.c: Likewise. * tic30-dis.c: Likewise. * tic54x-dis.c: Likewise. * tic80-dis.c: Likewise. * tic80-opc.c: Likewise. * tilegx-dis.c: Likewise. * tilepro-dis.c: Likewise. * v850-dis.c: Likewise. * v850-opc.c: Likewise. * vax-dis.c: Likewise. * w65-dis.c: Likewise. * xgate-dis.c: Likewise. * xtensa-dis.c: Likewise. * rl78-decode.opc: Likewise. * rl78-decode.c: Regenerate. * rx-decode.opc: Likewise. * rx-decode.c: Regenerate. * configure.in: Add check that sysdep.h has been included before any system header files. * configure: Regenerate. * config.in: Regenerate. * sysdep.h: Generate an error if included before config.h. * configure.in: Add check that sysdep.h has been included before any system header files. * configure: Regenerate. * config.in: Regenerate. * aclocal.m4: Regenerate. * bfd-in.h: Generate an error if included before config.h. * sysdep.h: Likewise. * bfd-in2.h: Regenerate. * compress.c: Remove #include "config.h". * plugin.c: Likewise. * elf32-m68hc1x.c: Include sysdep.h before alloca-conf.h. * elf64-hppa.c: Likewise. * som.c: Likewise. * xsymc.c: Likewise. * configure.in: Add check that sysdep.h has been included before any system header files. * configure: Regenerate. * config.in: Regenerate. * configure.in: Add check that sysdep.h has been included before any system header files. * configure: Regenerate. * config.in: Regenerate. * aclocal.m4: Regenerate. * Makefile.am: Use wrappers around C files generated by flex. * Makefile.in: Regenerate. * doc/Makefile.in: Regenerate. * itbl-lex-wrapper.c: New file. * config/bfin-lex-wrapper.c: New file. * cgen.c: Include as.h before setjmp.h. * config/tc-dlx.c: Include as.h before any other header. * config/tc-h8300.c: Likewise. * config/tc-lm32.c: Likewise. * config/tc-mep.c: Likewise. * config/tc-microblaze.c: Likewise. * config/tc-mmix.c: Likewise. * config/tc-msp430.c: Likewise. * config/tc-or32.c: Likewise. * config/tc-tic4x.c: Likewise. * config/tc-tic54x.c: Likewise. * config/tc-xtensa.c: Likewise. * configure.in: Add check that sysdep.h has been included before any system header files. * configure: Regenerate. * config.in: Regenerate. * unwind-ia64.h: Include config.h.
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#include "sysdep.h"
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#include <stdio.h>
#define DISASSEMBLER_TABLE
#define DEFINE_TABLE
#include "h8500-opc.h"
#include "dis-asm.h"
#include "opintl.h"
/* Maximum length of an instruction. */
#define MAXLEN 8
#include <setjmp.h>
struct private
{
/* Points to first byte not fetched. */
bfd_byte *max_fetched;
bfd_byte the_buffer[MAXLEN];
bfd_vma insn_start;
jmp_buf bailout;
};
/* Make sure that bytes from INFO->PRIVATE_DATA->BUFFER (inclusive)
to ADDR (exclusive) are valid. Returns 1 for success, longjmps
on error. */
#define FETCH_DATA(info, addr) \
((addr) <= ((struct private *)(info->private_data))->max_fetched \
? 1 : fetch_data ((info), (addr)))
static int
fetch_data (struct disassemble_info *info, bfd_byte *addr)
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{
int status;
struct private *priv = (struct private *) info->private_data;
bfd_vma start = priv->insn_start + (priv->max_fetched - priv->the_buffer);
status = (*info->read_memory_func) (start,
priv->max_fetched,
addr - priv->max_fetched,
info);
if (status != 0)
{
(*info->memory_error_func) (status, start, info);
longjmp (priv->bailout, 1);
}
else
priv->max_fetched = addr;
return 1;
}
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static char *crname[] = { "sr", "ccr", "*", "br", "ep", "dp", "*", "tp" };
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int
print_insn_h8500 (bfd_vma addr, disassemble_info *info)
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{
const h8500_opcode_info *opcode;
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void *stream = info->stream;
fprintf_ftype func = info->fprintf_func;
struct private priv;
bfd_byte *buffer = priv.the_buffer;
info->private_data = (PTR) & priv;
priv.max_fetched = priv.the_buffer;
priv.insn_start = addr;
if (setjmp (priv.bailout) != 0)
/* Error return. */
return -1;
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/* Run down the table to find the one which matches. */
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for (opcode = h8500_table; opcode->name; opcode++)
{
int byte;
int rn = 0;
int rd = 0;
int rs = 0;
int disp = 0;
int abs_val = 0;
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int imm = 0;
int pcrel = 0;
int qim = 0;
int i;
int cr = 0;
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for (byte = 0; byte < opcode->length; byte++)
{
FETCH_DATA (info, buffer + byte + 1);
if ((buffer[byte] & opcode->bytes[byte].mask)
!= (opcode->bytes[byte].contents))
goto next;
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else
{
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/* Extract any info parts. */
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switch (opcode->bytes[byte].insert)
{
case 0:
case FP:
break;
default:
/* xgettext:c-format */
func (stream, _("can't cope with insert %d\n"),
opcode->bytes[byte].insert);
break;
case RN:
rn = buffer[byte] & 0x7;
break;
case RS:
rs = buffer[byte] & 0x7;
break;
case CRB:
cr = buffer[byte] & 0x7;
if (cr == 0)
goto next;
break;
case CRW:
cr = buffer[byte] & 0x7;
if (cr != 0)
goto next;
break;
case DISP16:
FETCH_DATA (info, buffer + byte + 2);
disp = (buffer[byte] << 8) | (buffer[byte + 1]);
break;
case FPIND_D8:
case DISP8:
disp = ((char) (buffer[byte]));
break;
case RD:
case RDIND:
rd = buffer[byte] & 0x7;
break;
case ABS24:
FETCH_DATA (info, buffer + byte + 3);
abs_val =
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(buffer[byte] << 16)
| (buffer[byte + 1] << 8)
| (buffer[byte + 2]);
break;
case ABS16:
FETCH_DATA (info, buffer + byte + 2);
abs_val = (buffer[byte] << 8) | (buffer[byte + 1]);
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break;
case ABS8:
abs_val = (buffer[byte]);
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break;
case IMM16:
FETCH_DATA (info, buffer + byte + 2);
imm = (buffer[byte] << 8) | (buffer[byte + 1]);
break;
case IMM4:
imm = (buffer[byte]) & 0xf;
break;
case IMM8:
case RLIST:
imm = (buffer[byte]);
break;
case PCREL16:
FETCH_DATA (info, buffer + byte + 2);
pcrel = (buffer[byte] << 8) | (buffer[byte + 1]);
break;
case PCREL8:
pcrel = (buffer[byte]);
break;
case QIM:
switch (buffer[byte] & 0x7)
{
case 0:
qim = 1;
break;
case 1:
qim = 2;
break;
case 4:
qim = -1;
break;
case 5:
qim = -2;
break;
}
break;
}
}
}
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/* We get here when all the masks have passed so we can output
the operands. */
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FETCH_DATA (info, buffer + opcode->length);
(func) (stream, "%s\t", opcode->name);
for (i = 0; i < opcode->nargs; i++)
{
if (i)
(func) (stream, ",");
switch (opcode->arg_type[i])
{
case FP:
func (stream, "fp");
break;
case RNIND_D16:
func (stream, "@(0x%x:16,r%d)", disp, rn);
break;
case RNIND_D8:
func (stream, "@(0x%x:8 (%d),r%d)", disp & 0xff, disp, rn);
break;
case RDIND_D16:
func (stream, "@(0x%x:16,r%d)", disp, rd);
break;
case RDIND_D8:
func (stream, "@(0x%x:8 (%d), r%d)", disp & 0xff, disp, rd);
break;
case FPIND_D8:
func (stream, "@(0x%x:8 (%d), fp)", disp & 0xff, disp);
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break;
case CRB:
case CRW:
func (stream, "%s", crname[cr]);
break;
case RN:
func (stream, "r%d", rn);
break;
case RD:
func (stream, "r%d", rd);
break;
case RS:
func (stream, "r%d", rs);
break;
case RNDEC:
func (stream, "@-r%d", rn);
break;
case RNINC:
func (stream, "@r%d+", rn);
break;
case RNIND:
func (stream, "@r%d", rn);
break;
case RDIND:
func (stream, "@r%d", rd);
break;
case SPINC:
func (stream, "@sp+");
break;
case SPDEC:
func (stream, "@-sp");
break;
case ABS24:
func (stream, "@0x%0x:24", abs_val);
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break;
case ABS16:
func (stream, "@0x%0x:16", abs_val & 0xffff);
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break;
case ABS8:
func (stream, "@0x%0x:8", abs_val & 0xff);
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break;
case IMM16:
func (stream, "#0x%0x:16", imm & 0xffff);
break;
case RLIST:
{
int j;
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int nc = 0;
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func (stream, "(");
for (j = 0; j < 8; j++)
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{
if (imm & (1 << j))
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{
func (stream, "r%d", j);
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if (nc)
func (stream, ",");
nc = 1;
}
}
func (stream, ")");
}
break;
case IMM8:
func (stream, "#0x%0x:8", imm & 0xff);
break;
case PCREL16:
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func (stream, "0x%0x:16",
(int)(pcrel + addr + opcode->length) & 0xffff);
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break;
case PCREL8:
func (stream, "#0x%0x:8",
(int)((char) pcrel + addr + opcode->length) & 0xffff);
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break;
case QIM:
func (stream, "#%d:q", qim);
break;
case IMM4:
func (stream, "#%d:4", imm);
break;
}
}
return opcode->length;
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next:
;
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}
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/* Couldn't understand anything. */
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/* xgettext:c-format */
func (stream, _("%02x\t\t*unknown*"), buffer[0]);
return 1;
}