1999-05-03 15:29:11 +08:00
|
|
|
|
/* Print Motorola 68k instructions.
|
2001-03-14 06:58:38 +08:00
|
|
|
|
Copyright 1986, 1987, 1989, 1991, 1992, 1993, 1994, 1995, 1996, 1997,
|
* bfd/archures.c (bfd_mach_mcf5200, bfd_mach_mcf5206e,
bfd_mach_mcf5307, bfd_mach_mcf5407, bfd_mach_mcf528x,
bfd_mach_mcfv4e, bfd_mach_mcf521x, bfd_mach_mcf5249,
bfd_mach_mcf547x, bfd_mach_mcf548x): Remove.
(bfd_mach_mcf_isa_a, bfd_mach_mcf_isa_a_div,
bfd_mach_mcf_isa_a_div_mac, bfd_mach_mcf_isa_a_div_emac,
bfd_mach_mcf_isa_aplus, bfd_mach_mcf_isa_aplus_mac,
bfd_mach_mcf_isa_aplus_emac, bfd_mach_mcf_isa_aplus_usp,
bfd_mach_mcf_isa_aplus_usp_mac, bfd_mach_mcf_isa_aplus_usp_emac,
bfd_mach_mcf_isa_b, bfd_mach_mcf_isa_b_mac, bfd_mach_mcf_isa_b_emac,
bfd_mach_mcf_isa_b_usp_float, bfd_mach_mcf_isa_b_usp_float_mac,
bfd_mach_mcf_isa_b_usp_float_emac): New.
(bfd_default_scan): Update coldfire mapping.
* bfd/bfd-in.h (bfd_m68k_mach_to_features,
bfd_m68k_features_to_mach): Declare.
* bfd/bfd-in2.h: Rebuilt.
* bfd/cpu-m68k.c (arch_info_struct): Add new coldfire machines,
adjust legacy names.
(m68k_arch_features): New.
(bfd_m68k_mach_to_features,
bfd_m68k_features_to_mach): Define.
* bfd/elf32-m68k.c (elf32_m68k_object_p): New.
(elf32_m68k_merge_private_bfd_data): Merge the CF EF flags.
(elf32_m68k_print_private_bfd_data): Print the CF EF flags.
(elf_backend_object_p): Define.
* bfd/ieee.c (ieee_write_processor): Update coldfire machines.
* bfd/libbfd.h: Rebuilt.
* gas/config/tc-m68k.c (mcf5208_control_regs, mcf5213_control_regs,
mcf5329_control_regs): New.
(not_current_architecture, selected_arch, selected_cpu): New.
(m68k_archs, m68k_extensions): New.
(archs): Renamed to ...
(m68k_cpus): ... here. Adjust.
(n_arches): Remove.
(md_pseudo_table): Add arch and cpu directives.
(find_cf_chip, m68k_ip): Adjust table scanning.
(no_68851, no_68881): Remove.
(md_assemble): Lazily initialize.
(select_control_regs): Adjust cpu names. Add 5208, 5213, 5329.
(md_init_after_args): Move functionality to m68k_init_arch.
(mri_chip): Adjust table scanning.
(md_parse_option): Reimplement 'm' processing to add -march & -mcpu
options with saner parsing.
(m68k_lookup_cpu, m68k_set_arch, m68k_set_cpu, m68k_set_extension,
m68k_init_arch): New.
(s_m68k_cpu, s_m68k_arch): New.
(md_show_usage): Adjust.
(m68k_elf_final_processing): Set CF EF flags.
* gas/config/tc-m68k.h (m68k_init_after_args): Remove.
(tc_init_after_args): Remove.
* gas/doc/c-m68k.texi (M68K-Opts): Document -march, -mcpu options.
(M68k-Directives): Document .arch and .cpu directives.
* gas/testsuite/gas/m68k/all.exp: Add arch-cpu-1 test.
* gas/testsuite/gas/m68k/arch-cpu-1.[sd]: New.
* include/elf/m68k.h (EF_CPU32, EF_M68000, EF_CFV4E): Rename to ...
(EF_M68K_CPU32, EF_M68K_M68000, EF_M68K_CFV4E): ... here.
(EF_M68K_ISA_MASK, EF_M68K_ISA_A, EF_M68K_M68K_ISA_A_PLUS,
EF_M68K_ISA_B, EF_M68K_HW_DIV, EF_M68K_MAC_MASK, EF_M68K_MAC,
EF_M68K_EMAC, EF_M68K_USP, EF_M68K_FLOAT): New.
* include/opcode/m68k.h (m68008, m68ec030, m68882): Remove.
(m68k_mask): New.
(cpu_m68k, cpu_cf): New.
(mcf5200, mcf5206e, mcf521x, mcf5249, mcf528x, mcf5307, mcf5407,
mcf5470, mcf5480): Rename to cpu_<foo>. Add m680x0 variants.
* opcodes/m68k-dis.c (print_insn_m68k): Use
bfd_m68k_mach_to_features.
* binutils/readelf.c (get_machine_flags): Add logic for EF_M68K flags.
2006-02-08 03:01:10 +08:00
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|
|
|
1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006
|
1999-05-03 15:29:11 +08:00
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Free Software Foundation, Inc.
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|
|
2003-10-21 21:28:59 +08:00
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This file is free software; you can redistribute it and/or modify
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|
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it under the terms of the GNU General Public License as published by
|
|
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the Free Software Foundation; either version 2 of the License, or
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|
|
(at your option) any later version.
|
1999-05-03 15:29:11 +08:00
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|
|
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|
2003-10-21 21:28:59 +08:00
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This program is distributed in the hope that it will be useful,
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|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
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|
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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|
|
|
|
GNU General Public License for more details.
|
1999-05-03 15:29:11 +08:00
|
|
|
|
|
2003-10-21 21:28:59 +08:00
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
|
|
|
along with this program; if not, write to the Free Software
|
2005-07-01 19:16:33 +08:00
|
|
|
|
Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
|
|
|
|
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MA 02110-1301, USA. */
|
1999-05-03 15:29:11 +08:00
|
|
|
|
|
2000-04-14 12:16:58 +08:00
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|
|
#include "sysdep.h"
|
1999-05-03 15:29:11 +08:00
|
|
|
|
#include "dis-asm.h"
|
|
|
|
|
#include "floatformat.h"
|
2002-05-25 20:55:19 +08:00
|
|
|
|
#include "libiberty.h"
|
1999-05-03 15:29:11 +08:00
|
|
|
|
#include "opintl.h"
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|
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|
#include "opcode/m68k.h"
|
|
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|
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|
2005-07-01 19:16:33 +08:00
|
|
|
|
/* Local function prototypes. */
|
2004-05-24 22:33:22 +08:00
|
|
|
|
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|
|
|
|
const char * const fpcr_names[] =
|
|
|
|
|
{
|
2005-07-01 19:16:33 +08:00
|
|
|
|
"", "%fpiar", "%fpsr", "%fpiar/%fpsr", "%fpcr",
|
|
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|
|
"%fpiar/%fpcr", "%fpsr/%fpcr", "%fpiar/%fpsr/%fpcr"
|
2001-07-24 08:48:04 +08:00
|
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|
|
};
|
1999-05-03 15:29:11 +08:00
|
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|
2004-05-24 22:33:22 +08:00
|
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static char *const reg_names[] =
|
|
|
|
|
{
|
2005-07-01 19:16:33 +08:00
|
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"%d0", "%d1", "%d2", "%d3", "%d4", "%d5", "%d6", "%d7",
|
|
|
|
|
"%a0", "%a1", "%a2", "%a3", "%a4", "%a5", "%fp", "%sp",
|
|
|
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|
"%ps", "%pc"
|
2001-07-24 08:48:04 +08:00
|
|
|
|
};
|
1999-05-03 15:29:11 +08:00
|
|
|
|
|
2004-05-24 22:33:22 +08:00
|
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/* Name of register halves for MAC/EMAC.
|
|
|
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|
Seperate from reg_names since 'spu', 'fpl' look weird. */
|
|
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|
static char *const reg_half_names[] =
|
|
|
|
|
{
|
2005-07-01 19:16:33 +08:00
|
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|
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"%d0", "%d1", "%d2", "%d3", "%d4", "%d5", "%d6", "%d7",
|
|
|
|
|
"%a0", "%a1", "%a2", "%a3", "%a4", "%a5", "%a6", "%a7",
|
|
|
|
|
"%ps", "%pc"
|
2004-05-24 22:33:22 +08:00
|
|
|
|
};
|
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|
|
|
|
|
|
|
|
/* Sign-extend an (unsigned char). */
|
1999-05-03 15:29:11 +08:00
|
|
|
|
#if __STDC__ == 1
|
2001-07-24 08:48:04 +08:00
|
|
|
|
#define COERCE_SIGNED_CHAR(ch) ((signed char) (ch))
|
1999-05-03 15:29:11 +08:00
|
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|
|
#else
|
2001-07-24 08:48:04 +08:00
|
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|
#define COERCE_SIGNED_CHAR(ch) ((int) (((ch) ^ 0x80) & 0xFF) - 128)
|
1999-05-03 15:29:11 +08:00
|
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|
#endif
|
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|
|
|
|
|
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|
|
/* Get a 1 byte signed integer. */
|
|
|
|
|
#define NEXTBYTE(p) (p += 2, FETCH_DATA (info, p), COERCE_SIGNED_CHAR(p[-1]))
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|
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|
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/* Get a 2 byte signed integer. */
|
|
|
|
|
#define COERCE16(x) ((int) (((x) ^ 0x8000) - 0x8000))
|
|
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|
#define NEXTWORD(p) \
|
|
|
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(p += 2, FETCH_DATA (info, p), \
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COERCE16 ((p[-2] << 8) + p[-1]))
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/* Get a 4 byte signed integer. */
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#define COERCE32(x) ((bfd_signed_vma) ((x) ^ 0x80000000) - 0x80000000)
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|
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|
#define NEXTLONG(p) \
|
|
|
|
|
(p += 4, FETCH_DATA (info, p), \
|
|
|
|
|
(COERCE32 ((((((p[-4] << 8) + p[-3]) << 8) + p[-2]) << 8) + p[-1])))
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|
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/* Get a 4 byte unsigned integer. */
|
|
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|
#define NEXTULONG(p) \
|
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(p += 4, FETCH_DATA (info, p), \
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(unsigned int) ((((((p[-4] << 8) + p[-3]) << 8) + p[-2]) << 8) + p[-1]))
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|
/* Get a single precision float. */
|
|
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|
#define NEXTSINGLE(val, p) \
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(p += 4, FETCH_DATA (info, p), \
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floatformat_to_double (&floatformat_ieee_single_big, (char *) p - 4, &val))
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/* Get a double precision float. */
|
|
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|
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#define NEXTDOUBLE(val, p) \
|
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(p += 8, FETCH_DATA (info, p), \
|
|
|
|
|
floatformat_to_double (&floatformat_ieee_double_big, (char *) p - 8, &val))
|
|
|
|
|
|
|
|
|
|
/* Get an extended precision float. */
|
|
|
|
|
#define NEXTEXTEND(val, p) \
|
|
|
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(p += 12, FETCH_DATA (info, p), \
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|
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|
|
floatformat_to_double (&floatformat_m68881_ext, (char *) p - 12, &val))
|
|
|
|
|
|
|
|
|
|
/* Need a function to convert from packed to double
|
|
|
|
|
precision. Actually, it's easier to print a
|
|
|
|
|
packed number than a double anyway, so maybe
|
|
|
|
|
there should be a special case to handle this... */
|
|
|
|
|
#define NEXTPACKED(p) \
|
|
|
|
|
(p += 12, FETCH_DATA (info, p), 0.0)
|
|
|
|
|
|
|
|
|
|
/* Maximum length of an instruction. */
|
|
|
|
|
#define MAXLEN 22
|
|
|
|
|
|
|
|
|
|
#include <setjmp.h>
|
|
|
|
|
|
2005-07-01 19:16:33 +08:00
|
|
|
|
struct private
|
|
|
|
|
{
|
1999-05-03 15:29:11 +08:00
|
|
|
|
/* 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) \
|
2001-07-24 08:48:04 +08:00
|
|
|
|
((addr) <= ((struct private *) (info->private_data))->max_fetched \
|
1999-05-03 15:29:11 +08:00
|
|
|
|
? 1 : fetch_data ((info), (addr)))
|
|
|
|
|
|
|
|
|
|
static int
|
2005-06-23 19:18:26 +08:00
|
|
|
|
fetch_data (struct disassemble_info *info, bfd_byte *addr)
|
1999-05-03 15:29:11 +08:00
|
|
|
|
{
|
|
|
|
|
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;
|
|
|
|
|
}
|
|
|
|
|
|
2005-07-01 19:16:33 +08:00
|
|
|
|
/* This function is used to print to the bit-bucket. */
|
1999-05-03 15:29:11 +08:00
|
|
|
|
static int
|
2001-07-24 08:48:04 +08:00
|
|
|
|
dummy_printer (FILE *file ATTRIBUTE_UNUSED,
|
2005-07-01 19:16:33 +08:00
|
|
|
|
const char *format ATTRIBUTE_UNUSED,
|
|
|
|
|
...)
|
2001-07-24 08:48:04 +08:00
|
|
|
|
{
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
1999-05-03 15:29:11 +08:00
|
|
|
|
|
|
|
|
|
static void
|
2005-07-01 19:16:33 +08:00
|
|
|
|
dummy_print_address (bfd_vma vma ATTRIBUTE_UNUSED,
|
|
|
|
|
struct disassemble_info *info ATTRIBUTE_UNUSED)
|
1999-05-03 15:29:11 +08:00
|
|
|
|
{
|
|
|
|
|
}
|
|
|
|
|
|
2005-07-01 19:16:33 +08:00
|
|
|
|
/* Fetch BITS bits from a position in the instruction specified by CODE.
|
|
|
|
|
CODE is a "place to put an argument", or 'x' for a destination
|
|
|
|
|
that is a general address (mode and register).
|
|
|
|
|
BUFFER contains the instruction. */
|
2004-05-24 22:33:22 +08:00
|
|
|
|
|
|
|
|
|
static int
|
2005-07-01 19:16:33 +08:00
|
|
|
|
fetch_arg (unsigned char *buffer,
|
|
|
|
|
int code,
|
|
|
|
|
int bits,
|
|
|
|
|
disassemble_info *info)
|
2004-05-24 22:33:22 +08:00
|
|
|
|
{
|
2005-07-01 19:16:33 +08:00
|
|
|
|
int val = 0;
|
2004-05-24 22:33:22 +08:00
|
|
|
|
|
2005-07-01 19:16:33 +08:00
|
|
|
|
switch (code)
|
2004-05-24 22:33:22 +08:00
|
|
|
|
{
|
2005-07-01 19:16:33 +08:00
|
|
|
|
case '/': /* MAC/EMAC mask bit. */
|
|
|
|
|
val = buffer[3] >> 5;
|
|
|
|
|
break;
|
2004-05-24 22:33:22 +08:00
|
|
|
|
|
2005-07-01 19:16:33 +08:00
|
|
|
|
case 'G': /* EMAC ACC load. */
|
|
|
|
|
val = ((buffer[3] >> 3) & 0x2) | ((~buffer[1] >> 7) & 0x1);
|
|
|
|
|
break;
|
2004-05-24 22:33:22 +08:00
|
|
|
|
|
2005-07-01 19:16:33 +08:00
|
|
|
|
case 'H': /* EMAC ACC !load. */
|
|
|
|
|
val = ((buffer[3] >> 3) & 0x2) | ((buffer[1] >> 7) & 0x1);
|
|
|
|
|
break;
|
2004-05-24 22:33:22 +08:00
|
|
|
|
|
2005-07-01 19:16:33 +08:00
|
|
|
|
case ']': /* EMAC ACCEXT bit. */
|
|
|
|
|
val = buffer[0] >> 2;
|
|
|
|
|
break;
|
2004-05-24 22:33:22 +08:00
|
|
|
|
|
2005-07-01 19:16:33 +08:00
|
|
|
|
case 'I': /* MAC/EMAC scale factor. */
|
|
|
|
|
val = buffer[2] >> 1;
|
|
|
|
|
break;
|
2004-05-24 22:33:22 +08:00
|
|
|
|
|
2005-07-01 19:16:33 +08:00
|
|
|
|
case 'F': /* EMAC ACCx. */
|
|
|
|
|
val = buffer[0] >> 1;
|
|
|
|
|
break;
|
2004-05-24 22:33:22 +08:00
|
|
|
|
|
2005-07-01 19:16:33 +08:00
|
|
|
|
case 'f':
|
|
|
|
|
val = buffer[1];
|
|
|
|
|
break;
|
2004-05-24 22:33:22 +08:00
|
|
|
|
|
2005-07-01 19:16:33 +08:00
|
|
|
|
case 's':
|
|
|
|
|
val = buffer[1];
|
|
|
|
|
break;
|
2004-05-24 22:33:22 +08:00
|
|
|
|
|
2005-07-01 19:16:33 +08:00
|
|
|
|
case 'd': /* Destination, for register or quick. */
|
|
|
|
|
val = (buffer[0] << 8) + buffer[1];
|
|
|
|
|
val >>= 9;
|
|
|
|
|
break;
|
2004-05-24 22:33:22 +08:00
|
|
|
|
|
2005-07-01 19:16:33 +08:00
|
|
|
|
case 'x': /* Destination, for general arg. */
|
|
|
|
|
val = (buffer[0] << 8) + buffer[1];
|
|
|
|
|
val >>= 6;
|
|
|
|
|
break;
|
2004-05-24 22:33:22 +08:00
|
|
|
|
|
2005-07-01 19:16:33 +08:00
|
|
|
|
case 'k':
|
|
|
|
|
FETCH_DATA (info, buffer + 3);
|
|
|
|
|
val = (buffer[3] >> 4);
|
|
|
|
|
break;
|
2004-05-24 22:33:22 +08:00
|
|
|
|
|
2005-07-01 19:16:33 +08:00
|
|
|
|
case 'C':
|
|
|
|
|
FETCH_DATA (info, buffer + 3);
|
|
|
|
|
val = buffer[3];
|
|
|
|
|
break;
|
2004-05-24 22:33:22 +08:00
|
|
|
|
|
2005-07-01 19:16:33 +08:00
|
|
|
|
case '1':
|
|
|
|
|
FETCH_DATA (info, buffer + 3);
|
|
|
|
|
val = (buffer[2] << 8) + buffer[3];
|
|
|
|
|
val >>= 12;
|
|
|
|
|
break;
|
2004-05-24 22:33:22 +08:00
|
|
|
|
|
2005-07-01 19:16:33 +08:00
|
|
|
|
case '2':
|
|
|
|
|
FETCH_DATA (info, buffer + 3);
|
|
|
|
|
val = (buffer[2] << 8) + buffer[3];
|
|
|
|
|
val >>= 6;
|
|
|
|
|
break;
|
2004-05-24 22:33:22 +08:00
|
|
|
|
|
2005-07-01 19:16:33 +08:00
|
|
|
|
case '3':
|
|
|
|
|
case 'j':
|
|
|
|
|
FETCH_DATA (info, buffer + 3);
|
|
|
|
|
val = (buffer[2] << 8) + buffer[3];
|
|
|
|
|
break;
|
2004-05-24 22:33:22 +08:00
|
|
|
|
|
2005-07-01 19:16:33 +08:00
|
|
|
|
case '4':
|
|
|
|
|
FETCH_DATA (info, buffer + 5);
|
|
|
|
|
val = (buffer[4] << 8) + buffer[5];
|
|
|
|
|
val >>= 12;
|
|
|
|
|
break;
|
2004-05-24 22:33:22 +08:00
|
|
|
|
|
2005-07-01 19:16:33 +08:00
|
|
|
|
case '5':
|
|
|
|
|
FETCH_DATA (info, buffer + 5);
|
|
|
|
|
val = (buffer[4] << 8) + buffer[5];
|
|
|
|
|
val >>= 6;
|
|
|
|
|
break;
|
2004-05-24 22:33:22 +08:00
|
|
|
|
|
2005-07-01 19:16:33 +08:00
|
|
|
|
case '6':
|
|
|
|
|
FETCH_DATA (info, buffer + 5);
|
|
|
|
|
val = (buffer[4] << 8) + buffer[5];
|
|
|
|
|
break;
|
1999-05-03 15:29:11 +08:00
|
|
|
|
|
2005-07-01 19:16:33 +08:00
|
|
|
|
case '7':
|
|
|
|
|
FETCH_DATA (info, buffer + 3);
|
|
|
|
|
val = (buffer[2] << 8) + buffer[3];
|
|
|
|
|
val >>= 7;
|
|
|
|
|
break;
|
1999-05-03 15:29:11 +08:00
|
|
|
|
|
2005-07-01 19:16:33 +08:00
|
|
|
|
case '8':
|
|
|
|
|
FETCH_DATA (info, buffer + 3);
|
|
|
|
|
val = (buffer[2] << 8) + buffer[3];
|
|
|
|
|
val >>= 10;
|
|
|
|
|
break;
|
1999-05-03 15:29:11 +08:00
|
|
|
|
|
2005-07-01 19:16:33 +08:00
|
|
|
|
case '9':
|
|
|
|
|
FETCH_DATA (info, buffer + 3);
|
|
|
|
|
val = (buffer[2] << 8) + buffer[3];
|
|
|
|
|
val >>= 5;
|
|
|
|
|
break;
|
1999-05-03 15:29:11 +08:00
|
|
|
|
|
2005-07-01 19:16:33 +08:00
|
|
|
|
case 'e':
|
|
|
|
|
val = (buffer[1] >> 6);
|
|
|
|
|
break;
|
2004-05-24 22:33:22 +08:00
|
|
|
|
|
2005-07-01 19:16:33 +08:00
|
|
|
|
case 'm':
|
|
|
|
|
val = (buffer[1] & 0x40 ? 0x8 : 0)
|
|
|
|
|
| ((buffer[0] >> 1) & 0x7)
|
|
|
|
|
| (buffer[3] & 0x80 ? 0x10 : 0);
|
|
|
|
|
break;
|
1999-05-03 15:29:11 +08:00
|
|
|
|
|
2005-07-01 19:16:33 +08:00
|
|
|
|
case 'n':
|
|
|
|
|
val = (buffer[1] & 0x40 ? 0x8 : 0) | ((buffer[0] >> 1) & 0x7);
|
|
|
|
|
break;
|
1999-05-03 15:29:11 +08:00
|
|
|
|
|
2005-07-01 19:16:33 +08:00
|
|
|
|
case 'o':
|
|
|
|
|
val = (buffer[2] >> 4) | (buffer[3] & 0x80 ? 0x10 : 0);
|
|
|
|
|
break;
|
2004-05-24 22:33:22 +08:00
|
|
|
|
|
2005-07-01 19:16:33 +08:00
|
|
|
|
case 'M':
|
|
|
|
|
val = (buffer[1] & 0xf) | (buffer[3] & 0x40 ? 0x10 : 0);
|
|
|
|
|
break;
|
1999-05-03 15:29:11 +08:00
|
|
|
|
|
2005-07-01 19:16:33 +08:00
|
|
|
|
case 'N':
|
|
|
|
|
val = (buffer[3] & 0xf) | (buffer[3] & 0x40 ? 0x10 : 0);
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case 'h':
|
|
|
|
|
val = buffer[2] >> 2;
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
default:
|
|
|
|
|
abort ();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
switch (bits)
|
1999-05-03 15:29:11 +08:00
|
|
|
|
{
|
2005-07-01 19:16:33 +08:00
|
|
|
|
case 1:
|
|
|
|
|
return val & 1;
|
|
|
|
|
case 2:
|
|
|
|
|
return val & 3;
|
|
|
|
|
case 3:
|
|
|
|
|
return val & 7;
|
|
|
|
|
case 4:
|
|
|
|
|
return val & 017;
|
|
|
|
|
case 5:
|
|
|
|
|
return val & 037;
|
|
|
|
|
case 6:
|
|
|
|
|
return val & 077;
|
|
|
|
|
case 7:
|
|
|
|
|
return val & 0177;
|
|
|
|
|
case 8:
|
|
|
|
|
return val & 0377;
|
|
|
|
|
case 12:
|
|
|
|
|
return val & 07777;
|
1999-05-03 15:29:11 +08:00
|
|
|
|
default:
|
2005-07-01 19:16:33 +08:00
|
|
|
|
abort ();
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Check if an EA is valid for a particular code. This is required
|
|
|
|
|
for the EMAC instructions since the type of source address determines
|
|
|
|
|
if it is a EMAC-load instruciton if the EA is mode 2-5, otherwise it
|
|
|
|
|
is a non-load EMAC instruction and the bits mean register Ry.
|
|
|
|
|
A similar case exists for the movem instructions where the register
|
|
|
|
|
mask is interpreted differently for different EAs. */
|
|
|
|
|
|
|
|
|
|
static bfd_boolean
|
|
|
|
|
m68k_valid_ea (char code, int val)
|
|
|
|
|
{
|
|
|
|
|
int mode, mask;
|
|
|
|
|
#define M(n0,n1,n2,n3,n4,n5,n6,n70,n71,n72,n73,n74) \
|
|
|
|
|
(n0 | n1 << 1 | n2 << 2 | n3 << 3 | n4 << 4 | n5 << 5 | n6 << 6 \
|
|
|
|
|
| n70 << 7 | n71 << 8 | n72 << 9 | n73 << 10 | n74 << 11)
|
|
|
|
|
|
|
|
|
|
switch (code)
|
|
|
|
|
{
|
|
|
|
|
case '*':
|
|
|
|
|
mask = M (1,1,1,1,1,1,1,1,1,1,1,1);
|
1999-05-03 15:29:11 +08:00
|
|
|
|
break;
|
2005-07-01 19:16:33 +08:00
|
|
|
|
case '~':
|
|
|
|
|
mask = M (0,0,1,1,1,1,1,1,1,0,0,0);
|
1999-05-03 15:29:11 +08:00
|
|
|
|
break;
|
2005-07-01 19:16:33 +08:00
|
|
|
|
case '%':
|
|
|
|
|
mask = M (1,1,1,1,1,1,1,1,1,0,0,0);
|
1999-05-03 15:29:11 +08:00
|
|
|
|
break;
|
2005-07-01 19:16:33 +08:00
|
|
|
|
case ';':
|
|
|
|
|
mask = M (1,0,1,1,1,1,1,1,1,1,1,1);
|
1999-05-03 15:29:11 +08:00
|
|
|
|
break;
|
2005-07-01 19:16:33 +08:00
|
|
|
|
case '@':
|
|
|
|
|
mask = M (1,0,1,1,1,1,1,1,1,1,1,0);
|
1999-05-03 15:29:11 +08:00
|
|
|
|
break;
|
2005-07-01 19:16:33 +08:00
|
|
|
|
case '!':
|
|
|
|
|
mask = M (0,0,1,0,0,1,1,1,1,1,1,0);
|
1999-05-03 15:29:11 +08:00
|
|
|
|
break;
|
2005-07-01 19:16:33 +08:00
|
|
|
|
case '&':
|
|
|
|
|
mask = M (0,0,1,0,0,1,1,1,1,0,0,0);
|
1999-05-03 15:29:11 +08:00
|
|
|
|
break;
|
2005-07-01 19:16:33 +08:00
|
|
|
|
case '$':
|
|
|
|
|
mask = M (1,0,1,1,1,1,1,1,1,0,0,0);
|
1999-05-03 15:29:11 +08:00
|
|
|
|
break;
|
2005-07-01 19:16:33 +08:00
|
|
|
|
case '?':
|
|
|
|
|
mask = M (1,0,1,0,0,1,1,1,1,0,0,0);
|
2001-03-07 04:13:31 +08:00
|
|
|
|
break;
|
2005-07-01 19:16:33 +08:00
|
|
|
|
case '/':
|
|
|
|
|
mask = M (1,0,1,0,0,1,1,1,1,1,1,0);
|
2003-10-21 21:28:59 +08:00
|
|
|
|
break;
|
2005-07-01 19:16:33 +08:00
|
|
|
|
case '|':
|
|
|
|
|
mask = M (0,0,1,0,0,1,1,1,1,1,1,0);
|
2004-05-05 22:33:14 +08:00
|
|
|
|
break;
|
2005-07-01 19:16:33 +08:00
|
|
|
|
case '>':
|
|
|
|
|
mask = M (0,0,1,0,1,1,1,1,1,0,0,0);
|
2001-03-07 04:13:31 +08:00
|
|
|
|
break;
|
2005-07-01 19:16:33 +08:00
|
|
|
|
case '<':
|
|
|
|
|
mask = M (0,0,1,1,0,1,1,1,1,1,1,0);
|
2001-03-07 04:13:31 +08:00
|
|
|
|
break;
|
2005-07-01 19:16:33 +08:00
|
|
|
|
case 'm':
|
|
|
|
|
mask = M (1,1,1,1,1,0,0,0,0,0,0,0);
|
2004-04-22 18:33:16 +08:00
|
|
|
|
break;
|
2005-07-01 19:16:33 +08:00
|
|
|
|
case 'n':
|
|
|
|
|
mask = M (0,0,0,0,0,1,0,0,0,1,0,0);
|
|
|
|
|
break;
|
|
|
|
|
case 'o':
|
|
|
|
|
mask = M (0,0,0,0,0,0,1,1,1,0,1,1);
|
|
|
|
|
break;
|
|
|
|
|
case 'p':
|
|
|
|
|
mask = M (1,1,1,1,1,1,0,0,0,0,0,0);
|
|
|
|
|
break;
|
|
|
|
|
case 'q':
|
|
|
|
|
mask = M (1,0,1,1,1,1,0,0,0,0,0,0);
|
|
|
|
|
break;
|
|
|
|
|
case 'v':
|
|
|
|
|
mask = M (1,0,1,1,1,1,0,1,1,0,0,0);
|
|
|
|
|
break;
|
|
|
|
|
case 'b':
|
|
|
|
|
mask = M (1,0,1,1,1,1,0,0,0,1,0,0);
|
|
|
|
|
break;
|
|
|
|
|
case 'w':
|
|
|
|
|
mask = M (0,0,1,1,1,1,0,0,0,1,0,0);
|
|
|
|
|
break;
|
|
|
|
|
case 'y':
|
|
|
|
|
mask = M (0,0,1,0,0,1,0,0,0,0,0,0);
|
|
|
|
|
break;
|
|
|
|
|
case 'z':
|
|
|
|
|
mask = M (0,0,1,0,0,1,0,0,0,1,0,0);
|
|
|
|
|
break;
|
|
|
|
|
case '4':
|
|
|
|
|
mask = M (0,0,1,1,1,1,0,0,0,0,0,0);
|
2001-03-07 04:13:31 +08:00
|
|
|
|
break;
|
2005-07-01 19:16:33 +08:00
|
|
|
|
default:
|
|
|
|
|
abort ();
|
1999-05-03 15:29:11 +08:00
|
|
|
|
}
|
2005-07-01 19:16:33 +08:00
|
|
|
|
#undef M
|
1999-05-03 15:29:11 +08:00
|
|
|
|
|
2005-07-01 19:16:33 +08:00
|
|
|
|
mode = (val >> 3) & 7;
|
|
|
|
|
if (mode == 7)
|
|
|
|
|
mode += val & 7;
|
|
|
|
|
return (mask & (1 << mode)) != 0;
|
|
|
|
|
}
|
1999-05-03 15:29:11 +08:00
|
|
|
|
|
2005-07-01 19:16:33 +08:00
|
|
|
|
/* Print a base register REGNO and displacement DISP, on INFO->STREAM.
|
|
|
|
|
REGNO = -1 for pc, -2 for none (suppressed). */
|
1999-05-03 15:29:11 +08:00
|
|
|
|
|
2005-07-01 19:16:33 +08:00
|
|
|
|
static void
|
|
|
|
|
print_base (int regno, bfd_vma disp, disassemble_info *info)
|
|
|
|
|
{
|
|
|
|
|
if (regno == -1)
|
|
|
|
|
{
|
|
|
|
|
(*info->fprintf_func) (info->stream, "%%pc@(");
|
|
|
|
|
(*info->print_address_func) (disp, info);
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
char buf[50];
|
1999-05-03 15:29:11 +08:00
|
|
|
|
|
2005-07-01 19:16:33 +08:00
|
|
|
|
if (regno == -2)
|
|
|
|
|
(*info->fprintf_func) (info->stream, "@(");
|
|
|
|
|
else if (regno == -3)
|
|
|
|
|
(*info->fprintf_func) (info->stream, "%%zpc@(");
|
|
|
|
|
else
|
|
|
|
|
(*info->fprintf_func) (info->stream, "%s@(", reg_names[regno]);
|
1999-05-03 15:29:11 +08:00
|
|
|
|
|
2005-07-01 19:16:33 +08:00
|
|
|
|
sprintf_vma (buf, disp);
|
|
|
|
|
(*info->fprintf_func) (info->stream, "%s", buf);
|
1999-05-03 15:29:11 +08:00
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
2005-07-01 19:16:33 +08:00
|
|
|
|
/* Print an indexed argument. The base register is BASEREG (-1 for pc).
|
|
|
|
|
P points to extension word, in buffer.
|
|
|
|
|
ADDR is the nominal core address of that extension word. */
|
2005-06-23 19:18:26 +08:00
|
|
|
|
|
2005-07-01 19:16:33 +08:00
|
|
|
|
static unsigned char *
|
|
|
|
|
print_indexed (int basereg,
|
|
|
|
|
unsigned char *p,
|
|
|
|
|
bfd_vma addr,
|
|
|
|
|
disassemble_info *info)
|
1999-05-03 15:29:11 +08:00
|
|
|
|
{
|
2005-07-01 19:16:33 +08:00
|
|
|
|
int word;
|
|
|
|
|
static char *const scales[] = { "", ":2", ":4", ":8" };
|
|
|
|
|
bfd_vma base_disp;
|
|
|
|
|
bfd_vma outer_disp;
|
|
|
|
|
char buf[40];
|
|
|
|
|
char vmabuf[50];
|
|
|
|
|
|
|
|
|
|
word = NEXTWORD (p);
|
|
|
|
|
|
|
|
|
|
/* Generate the text for the index register.
|
|
|
|
|
Where this will be output is not yet determined. */
|
|
|
|
|
sprintf (buf, "%s:%c%s",
|
|
|
|
|
reg_names[(word >> 12) & 0xf],
|
|
|
|
|
(word & 0x800) ? 'l' : 'w',
|
|
|
|
|
scales[(word >> 9) & 3]);
|
|
|
|
|
|
|
|
|
|
/* Handle the 68000 style of indexing. */
|
|
|
|
|
|
|
|
|
|
if ((word & 0x100) == 0)
|
|
|
|
|
{
|
|
|
|
|
base_disp = word & 0xff;
|
|
|
|
|
if ((base_disp & 0x80) != 0)
|
|
|
|
|
base_disp -= 0x100;
|
|
|
|
|
if (basereg == -1)
|
|
|
|
|
base_disp += addr;
|
|
|
|
|
print_base (basereg, base_disp, info);
|
|
|
|
|
(*info->fprintf_func) (info->stream, ",%s)", buf);
|
|
|
|
|
return p;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Handle the generalized kind. */
|
|
|
|
|
/* First, compute the displacement to add to the base register. */
|
|
|
|
|
if (word & 0200)
|
|
|
|
|
{
|
|
|
|
|
if (basereg == -1)
|
|
|
|
|
basereg = -3;
|
|
|
|
|
else
|
|
|
|
|
basereg = -2;
|
|
|
|
|
}
|
|
|
|
|
if (word & 0100)
|
|
|
|
|
buf[0] = '\0';
|
|
|
|
|
base_disp = 0;
|
|
|
|
|
switch ((word >> 4) & 3)
|
|
|
|
|
{
|
|
|
|
|
case 2:
|
|
|
|
|
base_disp = NEXTWORD (p);
|
|
|
|
|
break;
|
|
|
|
|
case 3:
|
|
|
|
|
base_disp = NEXTLONG (p);
|
|
|
|
|
}
|
|
|
|
|
if (basereg == -1)
|
|
|
|
|
base_disp += addr;
|
|
|
|
|
|
|
|
|
|
/* Handle single-level case (not indirect). */
|
|
|
|
|
if ((word & 7) == 0)
|
|
|
|
|
{
|
|
|
|
|
print_base (basereg, base_disp, info);
|
|
|
|
|
if (buf[0] != '\0')
|
|
|
|
|
(*info->fprintf_func) (info->stream, ",%s", buf);
|
|
|
|
|
(*info->fprintf_func) (info->stream, ")");
|
|
|
|
|
return p;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Two level. Compute displacement to add after indirection. */
|
|
|
|
|
outer_disp = 0;
|
|
|
|
|
switch (word & 3)
|
|
|
|
|
{
|
|
|
|
|
case 2:
|
|
|
|
|
outer_disp = NEXTWORD (p);
|
|
|
|
|
break;
|
|
|
|
|
case 3:
|
|
|
|
|
outer_disp = NEXTLONG (p);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
print_base (basereg, base_disp, info);
|
|
|
|
|
if ((word & 4) == 0 && buf[0] != '\0')
|
|
|
|
|
{
|
|
|
|
|
(*info->fprintf_func) (info->stream, ",%s", buf);
|
|
|
|
|
buf[0] = '\0';
|
|
|
|
|
}
|
|
|
|
|
sprintf_vma (vmabuf, outer_disp);
|
|
|
|
|
(*info->fprintf_func) (info->stream, ")@(%s", vmabuf);
|
|
|
|
|
if (buf[0] != '\0')
|
|
|
|
|
(*info->fprintf_func) (info->stream, ",%s", buf);
|
|
|
|
|
(*info->fprintf_func) (info->stream, ")");
|
|
|
|
|
|
|
|
|
|
return p;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Returns number of bytes "eaten" by the operand, or
|
|
|
|
|
return -1 if an invalid operand was found, or -2 if
|
|
|
|
|
an opcode tabe error was found.
|
|
|
|
|
ADDR is the pc for this arg to be relative to. */
|
|
|
|
|
|
|
|
|
|
static int
|
|
|
|
|
print_insn_arg (const char *d,
|
|
|
|
|
unsigned char *buffer,
|
|
|
|
|
unsigned char *p0,
|
|
|
|
|
bfd_vma addr,
|
|
|
|
|
disassemble_info *info)
|
|
|
|
|
{
|
|
|
|
|
int val = 0;
|
|
|
|
|
int place = d[1];
|
|
|
|
|
unsigned char *p = p0;
|
|
|
|
|
int regno;
|
2004-05-24 22:33:22 +08:00
|
|
|
|
const char *regname;
|
|
|
|
|
unsigned char *p1;
|
1999-05-03 15:29:11 +08:00
|
|
|
|
double flval;
|
|
|
|
|
int flt_p;
|
|
|
|
|
bfd_signed_vma disp;
|
|
|
|
|
unsigned int uval;
|
|
|
|
|
|
|
|
|
|
switch (*d)
|
|
|
|
|
{
|
2004-05-24 22:33:22 +08:00
|
|
|
|
case 'c': /* Cache identifier. */
|
1999-05-03 15:29:11 +08:00
|
|
|
|
{
|
|
|
|
|
static char *const cacheFieldName[] = { "nc", "dc", "ic", "bc" };
|
|
|
|
|
val = fetch_arg (buffer, place, 2, info);
|
|
|
|
|
(*info->fprintf_func) (info->stream, cacheFieldName[val]);
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
|
2004-05-24 22:33:22 +08:00
|
|
|
|
case 'a': /* Address register indirect only. Cf. case '+'. */
|
1999-05-03 15:29:11 +08:00
|
|
|
|
{
|
|
|
|
|
(*info->fprintf_func)
|
|
|
|
|
(info->stream,
|
|
|
|
|
"%s@",
|
2001-07-24 08:48:04 +08:00
|
|
|
|
reg_names[fetch_arg (buffer, place, 3, info) + 8]);
|
1999-05-03 15:29:11 +08:00
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
|
2004-05-24 22:33:22 +08:00
|
|
|
|
case '_': /* 32-bit absolute address for move16. */
|
1999-05-03 15:29:11 +08:00
|
|
|
|
{
|
|
|
|
|
uval = NEXTULONG (p);
|
|
|
|
|
(*info->print_address_func) (uval, info);
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
case 'C':
|
|
|
|
|
(*info->fprintf_func) (info->stream, "%%ccr");
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case 'S':
|
|
|
|
|
(*info->fprintf_func) (info->stream, "%%sr");
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case 'U':
|
|
|
|
|
(*info->fprintf_func) (info->stream, "%%usp");
|
|
|
|
|
break;
|
|
|
|
|
|
1999-05-28 Linus Nordberg <linus.nordberg@canit.se>
* m68k-opc.c: Rename MACL/MSACL to MAC/MSAC. Add MACM/MSACM. Add
MOVE MACSR,CCR.
* m68k-dis.c (fetch_arg): Add places `n', `o'.
* m68k-opc.c: Add MSAC, MACL, MOVE to/from ACC, MACSR, MASK.
Add mcf5206e to appropriate instructions.
Add alias for MAC, MSAC.
* m68k-dis.c (print_insn_arg): Add formats `E', `G', `H' and place
`N'.
* m68k-opc.c (m68k_opcodes): Add divsw, divsl, divuw, divul, macl,
macw, remsl, remul for mcf5307. Change mcf5200 --> mcf.
* m68k-dis.c: Add format `u' and places `h', `m', `M'.
1999-05-28 06:33:14 +08:00
|
|
|
|
case 'E':
|
|
|
|
|
(*info->fprintf_func) (info->stream, "%%acc");
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case 'G':
|
|
|
|
|
(*info->fprintf_func) (info->stream, "%%macsr");
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case 'H':
|
|
|
|
|
(*info->fprintf_func) (info->stream, "%%mask");
|
|
|
|
|
break;
|
|
|
|
|
|
1999-05-03 15:29:11 +08:00
|
|
|
|
case 'J':
|
|
|
|
|
{
|
2003-10-21 21:28:59 +08:00
|
|
|
|
/* FIXME: There's a problem here, different m68k processors call the
|
|
|
|
|
same address different names. This table can't get it right
|
|
|
|
|
because it doesn't know which processor it's disassembling for. */
|
1999-05-03 15:29:11 +08:00
|
|
|
|
static const struct { char *name; int value; } names[]
|
|
|
|
|
= {{"%sfc", 0x000}, {"%dfc", 0x001}, {"%cacr", 0x002},
|
|
|
|
|
{"%tc", 0x003}, {"%itt0",0x004}, {"%itt1", 0x005},
|
|
|
|
|
{"%dtt0",0x006}, {"%dtt1",0x007}, {"%buscr",0x008},
|
|
|
|
|
{"%usp", 0x800}, {"%vbr", 0x801}, {"%caar", 0x802},
|
|
|
|
|
{"%msp", 0x803}, {"%isp", 0x804},
|
2003-10-21 21:28:59 +08:00
|
|
|
|
{"%flashbar", 0xc04}, {"%rambar", 0xc05}, /* mcf528x added these. */
|
1999-05-03 15:29:11 +08:00
|
|
|
|
|
|
|
|
|
/* Should we be calling this psr like we do in case 'Y'? */
|
|
|
|
|
{"%mmusr",0x805},
|
|
|
|
|
|
2006-12-27 15:15:02 +08:00
|
|
|
|
{"%urp", 0x806}, {"%srp", 0x807}, {"%pcr", 0x808},
|
|
|
|
|
|
|
|
|
|
/* Fido added these. */
|
|
|
|
|
{"%cac", 0xffe}, {"%mbb", 0xfff}};
|
1999-05-03 15:29:11 +08:00
|
|
|
|
|
|
|
|
|
val = fetch_arg (buffer, place, 12, info);
|
|
|
|
|
for (regno = sizeof names / sizeof names[0] - 1; regno >= 0; regno--)
|
|
|
|
|
if (names[regno].value == val)
|
|
|
|
|
{
|
|
|
|
|
(*info->fprintf_func) (info->stream, "%s", names[regno].name);
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
if (regno < 0)
|
|
|
|
|
(*info->fprintf_func) (info->stream, "%d", val);
|
|
|
|
|
}
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case 'Q':
|
|
|
|
|
val = fetch_arg (buffer, place, 3, info);
|
|
|
|
|
/* 0 means 8, except for the bkpt instruction... */
|
|
|
|
|
if (val == 0 && d[1] != 's')
|
|
|
|
|
val = 8;
|
|
|
|
|
(*info->fprintf_func) (info->stream, "#%d", val);
|
|
|
|
|
break;
|
|
|
|
|
|
2003-10-21 21:28:59 +08:00
|
|
|
|
case 'x':
|
|
|
|
|
val = fetch_arg (buffer, place, 3, info);
|
|
|
|
|
/* 0 means -1. */
|
|
|
|
|
if (val == 0)
|
|
|
|
|
val = -1;
|
|
|
|
|
(*info->fprintf_func) (info->stream, "#%d", val);
|
|
|
|
|
break;
|
|
|
|
|
|
1999-05-03 15:29:11 +08:00
|
|
|
|
case 'M':
|
1999-05-28 Linus Nordberg <linus.nordberg@canit.se>
* m68k-opc.c: Rename MACL/MSACL to MAC/MSAC. Add MACM/MSACM. Add
MOVE MACSR,CCR.
* m68k-dis.c (fetch_arg): Add places `n', `o'.
* m68k-opc.c: Add MSAC, MACL, MOVE to/from ACC, MACSR, MASK.
Add mcf5206e to appropriate instructions.
Add alias for MAC, MSAC.
* m68k-dis.c (print_insn_arg): Add formats `E', `G', `H' and place
`N'.
* m68k-opc.c (m68k_opcodes): Add divsw, divsl, divuw, divul, macl,
macw, remsl, remul for mcf5307. Change mcf5200 --> mcf.
* m68k-dis.c: Add format `u' and places `h', `m', `M'.
1999-05-28 06:33:14 +08:00
|
|
|
|
if (place == 'h')
|
|
|
|
|
{
|
|
|
|
|
static char *const scalefactor_name[] = { "<<", ">>" };
|
|
|
|
|
val = fetch_arg (buffer, place, 1, info);
|
|
|
|
|
(*info->fprintf_func) (info->stream, scalefactor_name[val]);
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
val = fetch_arg (buffer, place, 8, info);
|
|
|
|
|
if (val & 0x80)
|
|
|
|
|
val = val - 0x100;
|
|
|
|
|
(*info->fprintf_func) (info->stream, "#%d", val);
|
|
|
|
|
}
|
1999-05-03 15:29:11 +08:00
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case 'T':
|
|
|
|
|
val = fetch_arg (buffer, place, 4, info);
|
|
|
|
|
(*info->fprintf_func) (info->stream, "#%d", val);
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case 'D':
|
|
|
|
|
(*info->fprintf_func) (info->stream, "%s",
|
|
|
|
|
reg_names[fetch_arg (buffer, place, 3, info)]);
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case 'A':
|
|
|
|
|
(*info->fprintf_func)
|
|
|
|
|
(info->stream, "%s",
|
|
|
|
|
reg_names[fetch_arg (buffer, place, 3, info) + 010]);
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case 'R':
|
|
|
|
|
(*info->fprintf_func)
|
|
|
|
|
(info->stream, "%s",
|
|
|
|
|
reg_names[fetch_arg (buffer, place, 4, info)]);
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case 'r':
|
|
|
|
|
regno = fetch_arg (buffer, place, 4, info);
|
|
|
|
|
if (regno > 7)
|
|
|
|
|
(*info->fprintf_func) (info->stream, "%s@", reg_names[regno]);
|
|
|
|
|
else
|
|
|
|
|
(*info->fprintf_func) (info->stream, "@(%s)", reg_names[regno]);
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case 'F':
|
|
|
|
|
(*info->fprintf_func)
|
|
|
|
|
(info->stream, "%%fp%d",
|
|
|
|
|
fetch_arg (buffer, place, 3, info));
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case 'O':
|
|
|
|
|
val = fetch_arg (buffer, place, 6, info);
|
|
|
|
|
if (val & 0x20)
|
2001-07-24 08:48:04 +08:00
|
|
|
|
(*info->fprintf_func) (info->stream, "%s", reg_names[val & 7]);
|
1999-05-03 15:29:11 +08:00
|
|
|
|
else
|
|
|
|
|
(*info->fprintf_func) (info->stream, "%d", val);
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case '+':
|
|
|
|
|
(*info->fprintf_func)
|
|
|
|
|
(info->stream, "%s@+",
|
|
|
|
|
reg_names[fetch_arg (buffer, place, 3, info) + 8]);
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case '-':
|
|
|
|
|
(*info->fprintf_func)
|
|
|
|
|
(info->stream, "%s@-",
|
|
|
|
|
reg_names[fetch_arg (buffer, place, 3, info) + 8]);
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case 'k':
|
|
|
|
|
if (place == 'k')
|
|
|
|
|
(*info->fprintf_func)
|
|
|
|
|
(info->stream, "{%s}",
|
|
|
|
|
reg_names[fetch_arg (buffer, place, 3, info)]);
|
|
|
|
|
else if (place == 'C')
|
|
|
|
|
{
|
|
|
|
|
val = fetch_arg (buffer, place, 7, info);
|
2005-07-01 19:16:33 +08:00
|
|
|
|
if (val > 63) /* This is a signed constant. */
|
1999-05-03 15:29:11 +08:00
|
|
|
|
val -= 128;
|
|
|
|
|
(*info->fprintf_func) (info->stream, "{#%d}", val);
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
return -2;
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case '#':
|
|
|
|
|
case '^':
|
|
|
|
|
p1 = buffer + (*d == '#' ? 2 : 4);
|
|
|
|
|
if (place == 's')
|
|
|
|
|
val = fetch_arg (buffer, place, 4, info);
|
|
|
|
|
else if (place == 'C')
|
|
|
|
|
val = fetch_arg (buffer, place, 7, info);
|
|
|
|
|
else if (place == '8')
|
|
|
|
|
val = fetch_arg (buffer, place, 3, info);
|
|
|
|
|
else if (place == '3')
|
|
|
|
|
val = fetch_arg (buffer, place, 8, info);
|
|
|
|
|
else if (place == 'b')
|
|
|
|
|
val = NEXTBYTE (p1);
|
|
|
|
|
else if (place == 'w' || place == 'W')
|
|
|
|
|
val = NEXTWORD (p1);
|
|
|
|
|
else if (place == 'l')
|
|
|
|
|
val = NEXTLONG (p1);
|
|
|
|
|
else
|
|
|
|
|
return -2;
|
|
|
|
|
(*info->fprintf_func) (info->stream, "#%d", val);
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case 'B':
|
|
|
|
|
if (place == 'b')
|
|
|
|
|
disp = NEXTBYTE (p);
|
|
|
|
|
else if (place == 'B')
|
2001-07-24 08:48:04 +08:00
|
|
|
|
disp = COERCE_SIGNED_CHAR (buffer[1]);
|
1999-05-03 15:29:11 +08:00
|
|
|
|
else if (place == 'w' || place == 'W')
|
|
|
|
|
disp = NEXTWORD (p);
|
|
|
|
|
else if (place == 'l' || place == 'L' || place == 'C')
|
|
|
|
|
disp = NEXTLONG (p);
|
|
|
|
|
else if (place == 'g')
|
|
|
|
|
{
|
|
|
|
|
disp = NEXTBYTE (buffer);
|
|
|
|
|
if (disp == 0)
|
|
|
|
|
disp = NEXTWORD (p);
|
|
|
|
|
else if (disp == -1)
|
|
|
|
|
disp = NEXTLONG (p);
|
|
|
|
|
}
|
|
|
|
|
else if (place == 'c')
|
|
|
|
|
{
|
2005-07-01 19:16:33 +08:00
|
|
|
|
if (buffer[1] & 0x40) /* If bit six is one, long offset. */
|
1999-05-03 15:29:11 +08:00
|
|
|
|
disp = NEXTLONG (p);
|
|
|
|
|
else
|
|
|
|
|
disp = NEXTWORD (p);
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
return -2;
|
|
|
|
|
|
|
|
|
|
(*info->print_address_func) (addr + disp, info);
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case 'd':
|
|
|
|
|
val = NEXTWORD (p);
|
|
|
|
|
(*info->fprintf_func)
|
|
|
|
|
(info->stream, "%s@(%d)",
|
|
|
|
|
reg_names[fetch_arg (buffer, place, 3, info) + 8], val);
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case 's':
|
|
|
|
|
(*info->fprintf_func) (info->stream, "%s",
|
|
|
|
|
fpcr_names[fetch_arg (buffer, place, 3, info)]);
|
|
|
|
|
break;
|
|
|
|
|
|
2004-04-22 18:33:16 +08:00
|
|
|
|
case 'e':
|
|
|
|
|
val = fetch_arg(buffer, place, 2, info);
|
|
|
|
|
(*info->fprintf_func) (info->stream, "%%acc%d", val);
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case 'g':
|
2004-05-24 22:33:22 +08:00
|
|
|
|
val = fetch_arg(buffer, place, 1, info);
|
2004-04-22 18:33:16 +08:00
|
|
|
|
(*info->fprintf_func) (info->stream, "%%accext%s", val==0 ? "01" : "23");
|
|
|
|
|
break;
|
2005-07-01 19:16:33 +08:00
|
|
|
|
|
2004-04-22 18:33:16 +08:00
|
|
|
|
case 'i':
|
|
|
|
|
val = fetch_arg(buffer, place, 2, info);
|
|
|
|
|
if (val == 1)
|
|
|
|
|
(*info->fprintf_func) (info->stream, "<<");
|
|
|
|
|
else if (val == 3)
|
|
|
|
|
(*info->fprintf_func) (info->stream, ">>");
|
2004-05-24 22:33:22 +08:00
|
|
|
|
else
|
|
|
|
|
return -1;
|
2004-04-22 18:33:16 +08:00
|
|
|
|
break;
|
|
|
|
|
|
1999-05-03 15:29:11 +08:00
|
|
|
|
case 'I':
|
|
|
|
|
/* Get coprocessor ID... */
|
|
|
|
|
val = fetch_arg (buffer, 'd', 3, info);
|
2003-10-21 21:28:59 +08:00
|
|
|
|
|
2005-07-01 19:16:33 +08:00
|
|
|
|
if (val != 1) /* Unusual coprocessor ID? */
|
1999-05-03 15:29:11 +08:00
|
|
|
|
(*info->fprintf_func) (info->stream, "(cpid=%d) ", val);
|
|
|
|
|
break;
|
|
|
|
|
|
2004-04-22 18:33:16 +08:00
|
|
|
|
case '4':
|
1999-05-03 15:29:11 +08:00
|
|
|
|
case '*':
|
|
|
|
|
case '~':
|
|
|
|
|
case '%':
|
|
|
|
|
case ';':
|
|
|
|
|
case '@':
|
|
|
|
|
case '!':
|
|
|
|
|
case '$':
|
|
|
|
|
case '?':
|
|
|
|
|
case '/':
|
|
|
|
|
case '&':
|
|
|
|
|
case '|':
|
|
|
|
|
case '<':
|
|
|
|
|
case '>':
|
|
|
|
|
case 'm':
|
|
|
|
|
case 'n':
|
|
|
|
|
case 'o':
|
|
|
|
|
case 'p':
|
|
|
|
|
case 'q':
|
|
|
|
|
case 'v':
|
2003-10-21 21:28:59 +08:00
|
|
|
|
case 'b':
|
|
|
|
|
case 'w':
|
|
|
|
|
case 'y':
|
|
|
|
|
case 'z':
|
1999-05-03 15:29:11 +08:00
|
|
|
|
if (place == 'd')
|
|
|
|
|
{
|
|
|
|
|
val = fetch_arg (buffer, 'x', 6, info);
|
|
|
|
|
val = ((val & 7) << 3) + ((val >> 3) & 7);
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
val = fetch_arg (buffer, 's', 6, info);
|
|
|
|
|
|
2004-05-24 22:33:22 +08:00
|
|
|
|
/* If the <ea> is invalid for *d, then reject this match. */
|
2004-07-10 02:42:14 +08:00
|
|
|
|
if (!m68k_valid_ea (*d, val))
|
2004-05-24 22:33:22 +08:00
|
|
|
|
return -1;
|
|
|
|
|
|
1999-05-03 15:29:11 +08:00
|
|
|
|
/* Get register number assuming address register. */
|
|
|
|
|
regno = (val & 7) + 8;
|
|
|
|
|
regname = reg_names[regno];
|
|
|
|
|
switch (val >> 3)
|
|
|
|
|
{
|
|
|
|
|
case 0:
|
|
|
|
|
(*info->fprintf_func) (info->stream, "%s", reg_names[val]);
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case 1:
|
|
|
|
|
(*info->fprintf_func) (info->stream, "%s", regname);
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case 2:
|
|
|
|
|
(*info->fprintf_func) (info->stream, "%s@", regname);
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case 3:
|
|
|
|
|
(*info->fprintf_func) (info->stream, "%s@+", regname);
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case 4:
|
|
|
|
|
(*info->fprintf_func) (info->stream, "%s@-", regname);
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case 5:
|
|
|
|
|
val = NEXTWORD (p);
|
|
|
|
|
(*info->fprintf_func) (info->stream, "%s@(%d)", regname, val);
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case 6:
|
|
|
|
|
p = print_indexed (regno, p, addr, info);
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case 7:
|
|
|
|
|
switch (val & 7)
|
|
|
|
|
{
|
|
|
|
|
case 0:
|
|
|
|
|
val = NEXTWORD (p);
|
|
|
|
|
(*info->print_address_func) (val, info);
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case 1:
|
|
|
|
|
uval = NEXTULONG (p);
|
|
|
|
|
(*info->print_address_func) (uval, info);
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case 2:
|
|
|
|
|
val = NEXTWORD (p);
|
|
|
|
|
(*info->fprintf_func) (info->stream, "%%pc@(");
|
|
|
|
|
(*info->print_address_func) (addr + val, info);
|
|
|
|
|
(*info->fprintf_func) (info->stream, ")");
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case 3:
|
|
|
|
|
p = print_indexed (-1, p, addr, info);
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case 4:
|
|
|
|
|
flt_p = 1; /* Assume it's a float... */
|
2001-07-24 08:48:04 +08:00
|
|
|
|
switch (place)
|
1999-05-03 15:29:11 +08:00
|
|
|
|
{
|
|
|
|
|
case 'b':
|
|
|
|
|
val = NEXTBYTE (p);
|
|
|
|
|
flt_p = 0;
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case 'w':
|
|
|
|
|
val = NEXTWORD (p);
|
|
|
|
|
flt_p = 0;
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case 'l':
|
|
|
|
|
val = NEXTLONG (p);
|
|
|
|
|
flt_p = 0;
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case 'f':
|
2001-07-24 08:48:04 +08:00
|
|
|
|
NEXTSINGLE (flval, p);
|
1999-05-03 15:29:11 +08:00
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case 'F':
|
2001-07-24 08:48:04 +08:00
|
|
|
|
NEXTDOUBLE (flval, p);
|
1999-05-03 15:29:11 +08:00
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case 'x':
|
2001-07-24 08:48:04 +08:00
|
|
|
|
NEXTEXTEND (flval, p);
|
1999-05-03 15:29:11 +08:00
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case 'p':
|
2001-07-24 08:48:04 +08:00
|
|
|
|
flval = NEXTPACKED (p);
|
1999-05-03 15:29:11 +08:00
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
default:
|
|
|
|
|
return -1;
|
|
|
|
|
}
|
2001-07-24 08:48:04 +08:00
|
|
|
|
if (flt_p) /* Print a float? */
|
1999-05-03 15:29:11 +08:00
|
|
|
|
(*info->fprintf_func) (info->stream, "#%g", flval);
|
|
|
|
|
else
|
|
|
|
|
(*info->fprintf_func) (info->stream, "#%d", val);
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
default:
|
|
|
|
|
return -1;
|
|
|
|
|
}
|
|
|
|
|
}
|
2004-04-22 18:33:16 +08:00
|
|
|
|
|
|
|
|
|
/* If place is '/', then this is the case of the mask bit for
|
|
|
|
|
mac/emac loads. Now that the arg has been printed, grab the
|
|
|
|
|
mask bit and if set, add a '&' to the arg. */
|
|
|
|
|
if (place == '/')
|
|
|
|
|
{
|
|
|
|
|
val = fetch_arg (buffer, place, 1, info);
|
|
|
|
|
if (val)
|
2004-05-24 22:33:22 +08:00
|
|
|
|
info->fprintf_func (info->stream, "&");
|
2004-04-22 18:33:16 +08:00
|
|
|
|
}
|
1999-05-03 15:29:11 +08:00
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case 'L':
|
|
|
|
|
case 'l':
|
|
|
|
|
if (place == 'w')
|
|
|
|
|
{
|
|
|
|
|
char doneany;
|
|
|
|
|
p1 = buffer + 2;
|
|
|
|
|
val = NEXTWORD (p1);
|
|
|
|
|
/* Move the pointer ahead if this point is farther ahead
|
|
|
|
|
than the last. */
|
|
|
|
|
p = p1 > p ? p1 : p;
|
|
|
|
|
if (val == 0)
|
|
|
|
|
{
|
|
|
|
|
(*info->fprintf_func) (info->stream, "#0");
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
if (*d == 'l')
|
|
|
|
|
{
|
2005-07-01 19:16:33 +08:00
|
|
|
|
int newval = 0;
|
|
|
|
|
|
1999-05-03 15:29:11 +08:00
|
|
|
|
for (regno = 0; regno < 16; ++regno)
|
|
|
|
|
if (val & (0x8000 >> regno))
|
|
|
|
|
newval |= 1 << regno;
|
|
|
|
|
val = newval;
|
|
|
|
|
}
|
|
|
|
|
val &= 0xffff;
|
|
|
|
|
doneany = 0;
|
|
|
|
|
for (regno = 0; regno < 16; ++regno)
|
|
|
|
|
if (val & (1 << regno))
|
|
|
|
|
{
|
|
|
|
|
int first_regno;
|
2005-07-01 19:16:33 +08:00
|
|
|
|
|
1999-05-03 15:29:11 +08:00
|
|
|
|
if (doneany)
|
|
|
|
|
(*info->fprintf_func) (info->stream, "/");
|
|
|
|
|
doneany = 1;
|
|
|
|
|
(*info->fprintf_func) (info->stream, "%s", reg_names[regno]);
|
|
|
|
|
first_regno = regno;
|
|
|
|
|
while (val & (1 << (regno + 1)))
|
|
|
|
|
++regno;
|
|
|
|
|
if (regno > first_regno)
|
|
|
|
|
(*info->fprintf_func) (info->stream, "-%s",
|
|
|
|
|
reg_names[regno]);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
else if (place == '3')
|
|
|
|
|
{
|
|
|
|
|
/* `fmovem' insn. */
|
|
|
|
|
char doneany;
|
|
|
|
|
val = fetch_arg (buffer, place, 8, info);
|
|
|
|
|
if (val == 0)
|
|
|
|
|
{
|
|
|
|
|
(*info->fprintf_func) (info->stream, "#0");
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
if (*d == 'l')
|
|
|
|
|
{
|
2005-07-01 19:16:33 +08:00
|
|
|
|
int newval = 0;
|
|
|
|
|
|
1999-05-03 15:29:11 +08:00
|
|
|
|
for (regno = 0; regno < 8; ++regno)
|
|
|
|
|
if (val & (0x80 >> regno))
|
|
|
|
|
newval |= 1 << regno;
|
|
|
|
|
val = newval;
|
|
|
|
|
}
|
|
|
|
|
val &= 0xff;
|
|
|
|
|
doneany = 0;
|
|
|
|
|
for (regno = 0; regno < 8; ++regno)
|
|
|
|
|
if (val & (1 << regno))
|
|
|
|
|
{
|
|
|
|
|
int first_regno;
|
|
|
|
|
if (doneany)
|
|
|
|
|
(*info->fprintf_func) (info->stream, "/");
|
|
|
|
|
doneany = 1;
|
|
|
|
|
(*info->fprintf_func) (info->stream, "%%fp%d", regno);
|
|
|
|
|
first_regno = regno;
|
|
|
|
|
while (val & (1 << (regno + 1)))
|
|
|
|
|
++regno;
|
|
|
|
|
if (regno > first_regno)
|
|
|
|
|
(*info->fprintf_func) (info->stream, "-%%fp%d", regno);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
else if (place == '8')
|
|
|
|
|
{
|
2005-07-01 19:16:33 +08:00
|
|
|
|
/* fmoveml for FP status registers. */
|
1999-05-03 15:29:11 +08:00
|
|
|
|
(*info->fprintf_func) (info->stream, "%s",
|
|
|
|
|
fpcr_names[fetch_arg (buffer, place, 3,
|
|
|
|
|
info)]);
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
return -2;
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case 'X':
|
|
|
|
|
place = '8';
|
|
|
|
|
case 'Y':
|
|
|
|
|
case 'Z':
|
|
|
|
|
case 'W':
|
|
|
|
|
case '0':
|
|
|
|
|
case '1':
|
|
|
|
|
case '2':
|
|
|
|
|
case '3':
|
|
|
|
|
{
|
|
|
|
|
int val = fetch_arg (buffer, place, 5, info);
|
|
|
|
|
char *name = 0;
|
2005-07-01 19:16:33 +08:00
|
|
|
|
|
1999-05-03 15:29:11 +08:00
|
|
|
|
switch (val)
|
|
|
|
|
{
|
|
|
|
|
case 2: name = "%tt0"; break;
|
|
|
|
|
case 3: name = "%tt1"; break;
|
|
|
|
|
case 0x10: name = "%tc"; break;
|
|
|
|
|
case 0x11: name = "%drp"; break;
|
|
|
|
|
case 0x12: name = "%srp"; break;
|
|
|
|
|
case 0x13: name = "%crp"; break;
|
|
|
|
|
case 0x14: name = "%cal"; break;
|
|
|
|
|
case 0x15: name = "%val"; break;
|
|
|
|
|
case 0x16: name = "%scc"; break;
|
|
|
|
|
case 0x17: name = "%ac"; break;
|
|
|
|
|
case 0x18: name = "%psr"; break;
|
|
|
|
|
case 0x19: name = "%pcsr"; break;
|
|
|
|
|
case 0x1c:
|
|
|
|
|
case 0x1d:
|
|
|
|
|
{
|
|
|
|
|
int break_reg = ((buffer[3] >> 2) & 7);
|
2005-07-01 19:16:33 +08:00
|
|
|
|
|
1999-05-03 15:29:11 +08:00
|
|
|
|
(*info->fprintf_func)
|
|
|
|
|
(info->stream, val == 0x1c ? "%%bad%d" : "%%bac%d",
|
|
|
|
|
break_reg);
|
|
|
|
|
}
|
|
|
|
|
break;
|
|
|
|
|
default:
|
|
|
|
|
(*info->fprintf_func) (info->stream, "<mmu register %d>", val);
|
|
|
|
|
}
|
|
|
|
|
if (name)
|
|
|
|
|
(*info->fprintf_func) (info->stream, "%s", name);
|
|
|
|
|
}
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case 'f':
|
|
|
|
|
{
|
|
|
|
|
int fc = fetch_arg (buffer, place, 5, info);
|
2005-07-01 19:16:33 +08:00
|
|
|
|
|
1999-05-03 15:29:11 +08:00
|
|
|
|
if (fc == 1)
|
|
|
|
|
(*info->fprintf_func) (info->stream, "%%dfc");
|
|
|
|
|
else if (fc == 0)
|
|
|
|
|
(*info->fprintf_func) (info->stream, "%%sfc");
|
|
|
|
|
else
|
|
|
|
|
/* xgettext:c-format */
|
|
|
|
|
(*info->fprintf_func) (info->stream, _("<function code %d>"), fc);
|
|
|
|
|
}
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case 'V':
|
|
|
|
|
(*info->fprintf_func) (info->stream, "%%val");
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case 't':
|
|
|
|
|
{
|
|
|
|
|
int level = fetch_arg (buffer, place, 3, info);
|
2005-07-01 19:16:33 +08:00
|
|
|
|
|
1999-05-03 15:29:11 +08:00
|
|
|
|
(*info->fprintf_func) (info->stream, "%d", level);
|
|
|
|
|
}
|
|
|
|
|
break;
|
|
|
|
|
|
1999-05-28 Linus Nordberg <linus.nordberg@canit.se>
* m68k-opc.c: Rename MACL/MSACL to MAC/MSAC. Add MACM/MSACM. Add
MOVE MACSR,CCR.
* m68k-dis.c (fetch_arg): Add places `n', `o'.
* m68k-opc.c: Add MSAC, MACL, MOVE to/from ACC, MACSR, MASK.
Add mcf5206e to appropriate instructions.
Add alias for MAC, MSAC.
* m68k-dis.c (print_insn_arg): Add formats `E', `G', `H' and place
`N'.
* m68k-opc.c (m68k_opcodes): Add divsw, divsl, divuw, divul, macl,
macw, remsl, remul for mcf5307. Change mcf5200 --> mcf.
* m68k-dis.c: Add format `u' and places `h', `m', `M'.
1999-05-28 06:33:14 +08:00
|
|
|
|
case 'u':
|
|
|
|
|
{
|
|
|
|
|
short is_upper = 0;
|
|
|
|
|
int reg = fetch_arg (buffer, place, 5, info);
|
2003-10-21 21:28:59 +08:00
|
|
|
|
|
1999-05-28 Linus Nordberg <linus.nordberg@canit.se>
* m68k-opc.c: Rename MACL/MSACL to MAC/MSAC. Add MACM/MSACM. Add
MOVE MACSR,CCR.
* m68k-dis.c (fetch_arg): Add places `n', `o'.
* m68k-opc.c: Add MSAC, MACL, MOVE to/from ACC, MACSR, MASK.
Add mcf5206e to appropriate instructions.
Add alias for MAC, MSAC.
* m68k-dis.c (print_insn_arg): Add formats `E', `G', `H' and place
`N'.
* m68k-opc.c (m68k_opcodes): Add divsw, divsl, divuw, divul, macl,
macw, remsl, remul for mcf5307. Change mcf5200 --> mcf.
* m68k-dis.c: Add format `u' and places `h', `m', `M'.
1999-05-28 06:33:14 +08:00
|
|
|
|
if (reg & 0x10)
|
|
|
|
|
{
|
|
|
|
|
is_upper = 1;
|
|
|
|
|
reg &= 0xf;
|
|
|
|
|
}
|
|
|
|
|
(*info->fprintf_func) (info->stream, "%s%s",
|
2004-05-24 22:33:22 +08:00
|
|
|
|
reg_half_names[reg],
|
1999-05-28 Linus Nordberg <linus.nordberg@canit.se>
* m68k-opc.c: Rename MACL/MSACL to MAC/MSAC. Add MACM/MSACM. Add
MOVE MACSR,CCR.
* m68k-dis.c (fetch_arg): Add places `n', `o'.
* m68k-opc.c: Add MSAC, MACL, MOVE to/from ACC, MACSR, MASK.
Add mcf5206e to appropriate instructions.
Add alias for MAC, MSAC.
* m68k-dis.c (print_insn_arg): Add formats `E', `G', `H' and place
`N'.
* m68k-opc.c (m68k_opcodes): Add divsw, divsl, divuw, divul, macl,
macw, remsl, remul for mcf5307. Change mcf5200 --> mcf.
* m68k-dis.c: Add format `u' and places `h', `m', `M'.
1999-05-28 06:33:14 +08:00
|
|
|
|
is_upper ? "u" : "l");
|
|
|
|
|
}
|
|
|
|
|
break;
|
2003-10-21 21:28:59 +08:00
|
|
|
|
|
1999-05-03 15:29:11 +08:00
|
|
|
|
default:
|
|
|
|
|
return -2;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return p - p0;
|
|
|
|
|
}
|
|
|
|
|
|
2005-07-01 19:16:33 +08:00
|
|
|
|
/* Try to match the current instruction to best and if so, return the
|
|
|
|
|
number of bytes consumed from the instruction stream, else zero. */
|
1999-05-03 15:29:11 +08:00
|
|
|
|
|
|
|
|
|
static int
|
2005-07-01 19:16:33 +08:00
|
|
|
|
match_insn_m68k (bfd_vma memaddr,
|
|
|
|
|
disassemble_info * info,
|
2006-05-25 16:09:03 +08:00
|
|
|
|
const struct m68k_opcode * best)
|
1999-05-03 15:29:11 +08:00
|
|
|
|
{
|
2005-07-01 19:16:33 +08:00
|
|
|
|
unsigned char *save_p;
|
|
|
|
|
unsigned char *p;
|
|
|
|
|
const char *d;
|
2004-05-24 22:33:22 +08:00
|
|
|
|
|
2006-05-25 16:09:03 +08:00
|
|
|
|
struct private *priv = (struct private *) info->private_data;
|
2005-07-01 19:16:33 +08:00
|
|
|
|
bfd_byte *buffer = priv->the_buffer;
|
|
|
|
|
fprintf_ftype save_printer = info->fprintf_func;
|
|
|
|
|
void (* save_print_address) (bfd_vma, struct disassemble_info *)
|
|
|
|
|
= info->print_address_func;
|
2004-04-22 18:33:16 +08:00
|
|
|
|
|
2005-07-01 19:16:33 +08:00
|
|
|
|
/* Point at first word of argument data,
|
|
|
|
|
and at descriptor for first argument. */
|
|
|
|
|
p = buffer + 2;
|
2004-04-22 18:33:16 +08:00
|
|
|
|
|
2005-07-01 19:16:33 +08:00
|
|
|
|
/* Figure out how long the fixed-size portion of the instruction is.
|
|
|
|
|
The only place this is stored in the opcode table is
|
|
|
|
|
in the arguments--look for arguments which specify fields in the 2nd
|
|
|
|
|
or 3rd words of the instruction. */
|
|
|
|
|
for (d = best->args; *d; d += 2)
|
|
|
|
|
{
|
|
|
|
|
/* I don't think it is necessary to be checking d[0] here;
|
|
|
|
|
I suspect all this could be moved to the case statement below. */
|
|
|
|
|
if (d[0] == '#')
|
|
|
|
|
{
|
|
|
|
|
if (d[1] == 'l' && p - buffer < 6)
|
|
|
|
|
p = buffer + 6;
|
|
|
|
|
else if (p - buffer < 4 && d[1] != 'C' && d[1] != '8')
|
|
|
|
|
p = buffer + 4;
|
|
|
|
|
}
|
2004-04-22 18:33:16 +08:00
|
|
|
|
|
2005-07-01 19:16:33 +08:00
|
|
|
|
if ((d[0] == 'L' || d[0] == 'l') && d[1] == 'w' && p - buffer < 4)
|
|
|
|
|
p = buffer + 4;
|
2004-04-22 18:33:16 +08:00
|
|
|
|
|
2005-07-01 19:16:33 +08:00
|
|
|
|
switch (d[1])
|
|
|
|
|
{
|
|
|
|
|
case '1':
|
|
|
|
|
case '2':
|
|
|
|
|
case '3':
|
|
|
|
|
case '7':
|
|
|
|
|
case '8':
|
|
|
|
|
case '9':
|
|
|
|
|
case 'i':
|
|
|
|
|
if (p - buffer < 4)
|
|
|
|
|
p = buffer + 4;
|
|
|
|
|
break;
|
|
|
|
|
case '4':
|
|
|
|
|
case '5':
|
|
|
|
|
case '6':
|
|
|
|
|
if (p - buffer < 6)
|
|
|
|
|
p = buffer + 6;
|
|
|
|
|
break;
|
|
|
|
|
default:
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
}
|
1999-05-03 15:29:11 +08:00
|
|
|
|
|
2005-07-01 19:16:33 +08:00
|
|
|
|
/* pflusha is an exceptions. It takes no arguments but is two words
|
|
|
|
|
long. Recognize it by looking at the lower 16 bits of the mask. */
|
|
|
|
|
if (p - buffer < 4 && (best->match & 0xFFFF) != 0)
|
|
|
|
|
p = buffer + 4;
|
1999-05-03 15:29:11 +08:00
|
|
|
|
|
2005-07-01 19:16:33 +08:00
|
|
|
|
/* lpstop is another exception. It takes a one word argument but is
|
|
|
|
|
three words long. */
|
|
|
|
|
if (p - buffer < 6
|
|
|
|
|
&& (best->match & 0xffff) == 0xffff
|
|
|
|
|
&& best->args[0] == '#'
|
|
|
|
|
&& best->args[1] == 'w')
|
|
|
|
|
{
|
|
|
|
|
/* Copy the one word argument into the usual location for a one
|
|
|
|
|
word argument, to simplify printing it. We can get away with
|
|
|
|
|
this because we know exactly what the second word is, and we
|
|
|
|
|
aren't going to print anything based on it. */
|
|
|
|
|
p = buffer + 6;
|
|
|
|
|
FETCH_DATA (info, p);
|
|
|
|
|
buffer[2] = buffer[4];
|
|
|
|
|
buffer[3] = buffer[5];
|
|
|
|
|
}
|
1999-05-03 15:29:11 +08:00
|
|
|
|
|
2005-07-01 19:16:33 +08:00
|
|
|
|
FETCH_DATA (info, p);
|
2003-10-21 21:28:59 +08:00
|
|
|
|
|
2005-07-01 19:16:33 +08:00
|
|
|
|
d = best->args;
|
1999-05-03 15:29:11 +08:00
|
|
|
|
|
2005-07-01 19:16:33 +08:00
|
|
|
|
save_p = p;
|
|
|
|
|
info->print_address_func = dummy_print_address;
|
|
|
|
|
info->fprintf_func = (fprintf_ftype) dummy_printer;
|
1999-05-03 15:29:11 +08:00
|
|
|
|
|
2005-07-01 19:16:33 +08:00
|
|
|
|
/* We scan the operands twice. The first time we don't print anything,
|
|
|
|
|
but look for errors. */
|
|
|
|
|
for (; *d; d += 2)
|
|
|
|
|
{
|
|
|
|
|
int eaten = print_insn_arg (d, buffer, p, memaddr + (p - buffer), info);
|
1999-05-03 15:29:11 +08:00
|
|
|
|
|
2005-07-01 19:16:33 +08:00
|
|
|
|
if (eaten >= 0)
|
|
|
|
|
p += eaten;
|
|
|
|
|
else if (eaten == -1)
|
|
|
|
|
{
|
|
|
|
|
info->fprintf_func = save_printer;
|
|
|
|
|
info->print_address_func = save_print_address;
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
2006-04-29 11:11:31 +08:00
|
|
|
|
/* We must restore the print functions before trying to print the
|
|
|
|
|
error message. */
|
|
|
|
|
info->fprintf_func = save_printer;
|
|
|
|
|
info->print_address_func = save_print_address;
|
2005-07-01 19:16:33 +08:00
|
|
|
|
info->fprintf_func (info->stream,
|
|
|
|
|
/* xgettext:c-format */
|
|
|
|
|
_("<internal error in opcode table: %s %s>\n"),
|
|
|
|
|
best->name, best->args);
|
|
|
|
|
return 2;
|
|
|
|
|
}
|
|
|
|
|
}
|
1999-05-28 Linus Nordberg <linus.nordberg@canit.se>
* m68k-opc.c: Rename MACL/MSACL to MAC/MSAC. Add MACM/MSACM. Add
MOVE MACSR,CCR.
* m68k-dis.c (fetch_arg): Add places `n', `o'.
* m68k-opc.c: Add MSAC, MACL, MOVE to/from ACC, MACSR, MASK.
Add mcf5206e to appropriate instructions.
Add alias for MAC, MSAC.
* m68k-dis.c (print_insn_arg): Add formats `E', `G', `H' and place
`N'.
* m68k-opc.c (m68k_opcodes): Add divsw, divsl, divuw, divul, macl,
macw, remsl, remul for mcf5307. Change mcf5200 --> mcf.
* m68k-dis.c: Add format `u' and places `h', `m', `M'.
1999-05-28 06:33:14 +08:00
|
|
|
|
|
2005-07-01 19:16:33 +08:00
|
|
|
|
p = save_p;
|
|
|
|
|
info->fprintf_func = save_printer;
|
|
|
|
|
info->print_address_func = save_print_address;
|
1999-05-28 Linus Nordberg <linus.nordberg@canit.se>
* m68k-opc.c: Rename MACL/MSACL to MAC/MSAC. Add MACM/MSACM. Add
MOVE MACSR,CCR.
* m68k-dis.c (fetch_arg): Add places `n', `o'.
* m68k-opc.c: Add MSAC, MACL, MOVE to/from ACC, MACSR, MASK.
Add mcf5206e to appropriate instructions.
Add alias for MAC, MSAC.
* m68k-dis.c (print_insn_arg): Add formats `E', `G', `H' and place
`N'.
* m68k-opc.c (m68k_opcodes): Add divsw, divsl, divuw, divul, macl,
macw, remsl, remul for mcf5307. Change mcf5200 --> mcf.
* m68k-dis.c: Add format `u' and places `h', `m', `M'.
1999-05-28 06:33:14 +08:00
|
|
|
|
|
2005-07-01 19:16:33 +08:00
|
|
|
|
d = best->args;
|
1999-05-28 Linus Nordberg <linus.nordberg@canit.se>
* m68k-opc.c: Rename MACL/MSACL to MAC/MSAC. Add MACM/MSACM. Add
MOVE MACSR,CCR.
* m68k-dis.c (fetch_arg): Add places `n', `o'.
* m68k-opc.c: Add MSAC, MACL, MOVE to/from ACC, MACSR, MASK.
Add mcf5206e to appropriate instructions.
Add alias for MAC, MSAC.
* m68k-dis.c (print_insn_arg): Add formats `E', `G', `H' and place
`N'.
* m68k-opc.c (m68k_opcodes): Add divsw, divsl, divuw, divul, macl,
macw, remsl, remul for mcf5307. Change mcf5200 --> mcf.
* m68k-dis.c: Add format `u' and places `h', `m', `M'.
1999-05-28 06:33:14 +08:00
|
|
|
|
|
2005-07-01 19:16:33 +08:00
|
|
|
|
info->fprintf_func (info->stream, "%s", best->name);
|
1999-05-28 Linus Nordberg <linus.nordberg@canit.se>
* m68k-opc.c: Rename MACL/MSACL to MAC/MSAC. Add MACM/MSACM. Add
MOVE MACSR,CCR.
* m68k-dis.c (fetch_arg): Add places `n', `o'.
* m68k-opc.c: Add MSAC, MACL, MOVE to/from ACC, MACSR, MASK.
Add mcf5206e to appropriate instructions.
Add alias for MAC, MSAC.
* m68k-dis.c (print_insn_arg): Add formats `E', `G', `H' and place
`N'.
* m68k-opc.c (m68k_opcodes): Add divsw, divsl, divuw, divul, macl,
macw, remsl, remul for mcf5307. Change mcf5200 --> mcf.
* m68k-dis.c: Add format `u' and places `h', `m', `M'.
1999-05-28 06:33:14 +08:00
|
|
|
|
|
2005-07-01 19:16:33 +08:00
|
|
|
|
if (*d)
|
|
|
|
|
info->fprintf_func (info->stream, " ");
|
1999-05-28 Linus Nordberg <linus.nordberg@canit.se>
* m68k-opc.c: Rename MACL/MSACL to MAC/MSAC. Add MACM/MSACM. Add
MOVE MACSR,CCR.
* m68k-dis.c (fetch_arg): Add places `n', `o'.
* m68k-opc.c: Add MSAC, MACL, MOVE to/from ACC, MACSR, MASK.
Add mcf5206e to appropriate instructions.
Add alias for MAC, MSAC.
* m68k-dis.c (print_insn_arg): Add formats `E', `G', `H' and place
`N'.
* m68k-opc.c (m68k_opcodes): Add divsw, divsl, divuw, divul, macl,
macw, remsl, remul for mcf5307. Change mcf5200 --> mcf.
* m68k-dis.c: Add format `u' and places `h', `m', `M'.
1999-05-28 06:33:14 +08:00
|
|
|
|
|
2005-07-01 19:16:33 +08:00
|
|
|
|
while (*d)
|
|
|
|
|
{
|
|
|
|
|
p += print_insn_arg (d, buffer, p, memaddr + (p - buffer), info);
|
|
|
|
|
d += 2;
|
1999-05-28 Linus Nordberg <linus.nordberg@canit.se>
* m68k-opc.c: Rename MACL/MSACL to MAC/MSAC. Add MACM/MSACM. Add
MOVE MACSR,CCR.
* m68k-dis.c (fetch_arg): Add places `n', `o'.
* m68k-opc.c: Add MSAC, MACL, MOVE to/from ACC, MACSR, MASK.
Add mcf5206e to appropriate instructions.
Add alias for MAC, MSAC.
* m68k-dis.c (print_insn_arg): Add formats `E', `G', `H' and place
`N'.
* m68k-opc.c (m68k_opcodes): Add divsw, divsl, divuw, divul, macl,
macw, remsl, remul for mcf5307. Change mcf5200 --> mcf.
* m68k-dis.c: Add format `u' and places `h', `m', `M'.
1999-05-28 06:33:14 +08:00
|
|
|
|
|
2005-07-01 19:16:33 +08:00
|
|
|
|
if (*d && *(d - 2) != 'I' && *d != 'k')
|
|
|
|
|
info->fprintf_func (info->stream, ",");
|
1999-05-03 15:29:11 +08:00
|
|
|
|
}
|
|
|
|
|
|
2005-07-01 19:16:33 +08:00
|
|
|
|
return p - buffer;
|
1999-05-03 15:29:11 +08:00
|
|
|
|
}
|
|
|
|
|
|
2006-05-25 16:09:03 +08:00
|
|
|
|
/* Try to interpret the instruction at address MEMADDR as one that
|
|
|
|
|
can execute on a processor with the features given by ARCH_MASK.
|
|
|
|
|
If successful, print the instruction to INFO->STREAM and return
|
|
|
|
|
its length in bytes. Return 0 otherwise. */
|
1999-05-03 15:29:11 +08:00
|
|
|
|
|
2006-05-25 16:09:03 +08:00
|
|
|
|
static int
|
|
|
|
|
m68k_scan_mask (bfd_vma memaddr, disassemble_info *info,
|
|
|
|
|
unsigned int arch_mask)
|
1999-05-03 15:29:11 +08:00
|
|
|
|
{
|
2005-07-01 19:16:33 +08:00
|
|
|
|
int i;
|
|
|
|
|
const char *d;
|
|
|
|
|
static const struct m68k_opcode **opcodes[16];
|
2006-05-25 16:09:03 +08:00
|
|
|
|
static int numopcodes[16];
|
2005-07-01 19:16:33 +08:00
|
|
|
|
int val;
|
2006-05-25 16:09:03 +08:00
|
|
|
|
int major_opcode;
|
|
|
|
|
|
|
|
|
|
struct private *priv = (struct private *) info->private_data;
|
|
|
|
|
bfd_byte *buffer = priv->the_buffer;
|
1999-05-03 15:29:11 +08:00
|
|
|
|
|
2005-07-01 19:16:33 +08:00
|
|
|
|
if (!opcodes[0])
|
1999-05-03 15:29:11 +08:00
|
|
|
|
{
|
2005-07-01 19:16:33 +08:00
|
|
|
|
/* Speed up the matching by sorting the opcode
|
|
|
|
|
table on the upper four bits of the opcode. */
|
|
|
|
|
const struct m68k_opcode **opc_pointer[16];
|
1999-05-03 15:29:11 +08:00
|
|
|
|
|
2005-07-01 19:16:33 +08:00
|
|
|
|
/* First count how many opcodes are in each of the sixteen buckets. */
|
|
|
|
|
for (i = 0; i < m68k_numopcodes; i++)
|
|
|
|
|
numopcodes[(m68k_opcodes[i].opcode >> 28) & 15]++;
|
1999-05-03 15:29:11 +08:00
|
|
|
|
|
2005-07-01 19:16:33 +08:00
|
|
|
|
/* Then create a sorted table of pointers
|
|
|
|
|
that point into the unsorted table. */
|
|
|
|
|
opc_pointer[0] = xmalloc (sizeof (struct m68k_opcode *)
|
|
|
|
|
* m68k_numopcodes);
|
|
|
|
|
opcodes[0] = opc_pointer[0];
|
1999-05-03 15:29:11 +08:00
|
|
|
|
|
2005-07-01 19:16:33 +08:00
|
|
|
|
for (i = 1; i < 16; i++)
|
|
|
|
|
{
|
|
|
|
|
opc_pointer[i] = opc_pointer[i - 1] + numopcodes[i - 1];
|
|
|
|
|
opcodes[i] = opc_pointer[i];
|
|
|
|
|
}
|
1999-05-03 15:29:11 +08:00
|
|
|
|
|
2005-07-01 19:16:33 +08:00
|
|
|
|
for (i = 0; i < m68k_numopcodes; i++)
|
|
|
|
|
*opc_pointer[(m68k_opcodes[i].opcode >> 28) & 15]++ = &m68k_opcodes[i];
|
1999-05-03 15:29:11 +08:00
|
|
|
|
}
|
|
|
|
|
|
2005-07-01 19:16:33 +08:00
|
|
|
|
FETCH_DATA (info, buffer + 2);
|
|
|
|
|
major_opcode = (buffer[0] >> 4) & 15;
|
1999-05-03 15:29:11 +08:00
|
|
|
|
|
2005-07-01 19:16:33 +08:00
|
|
|
|
for (i = 0; i < numopcodes[major_opcode]; i++)
|
|
|
|
|
{
|
|
|
|
|
const struct m68k_opcode *opc = opcodes[major_opcode][i];
|
|
|
|
|
unsigned long opcode = opc->opcode;
|
|
|
|
|
unsigned long match = opc->match;
|
1999-05-03 15:29:11 +08:00
|
|
|
|
|
2005-07-01 19:16:33 +08:00
|
|
|
|
if (((0xff & buffer[0] & (match >> 24)) == (0xff & (opcode >> 24)))
|
|
|
|
|
&& ((0xff & buffer[1] & (match >> 16)) == (0xff & (opcode >> 16)))
|
|
|
|
|
/* Only fetch the next two bytes if we need to. */
|
|
|
|
|
&& (((0xffff & match) == 0)
|
|
|
|
|
||
|
|
|
|
|
(FETCH_DATA (info, buffer + 4)
|
|
|
|
|
&& ((0xff & buffer[2] & (match >> 8)) == (0xff & (opcode >> 8)))
|
|
|
|
|
&& ((0xff & buffer[3] & match) == (0xff & opcode)))
|
|
|
|
|
)
|
|
|
|
|
&& (opc->arch & arch_mask) != 0)
|
|
|
|
|
{
|
|
|
|
|
/* Don't use for printout the variants of divul and divsl
|
|
|
|
|
that have the same register number in two places.
|
|
|
|
|
The more general variants will match instead. */
|
|
|
|
|
for (d = opc->args; *d; d += 2)
|
|
|
|
|
if (d[1] == 'D')
|
|
|
|
|
break;
|
1999-05-03 15:29:11 +08:00
|
|
|
|
|
2005-07-01 19:16:33 +08:00
|
|
|
|
/* Don't use for printout the variants of most floating
|
|
|
|
|
point coprocessor instructions which use the same
|
|
|
|
|
register number in two places, as above. */
|
|
|
|
|
if (*d == '\0')
|
|
|
|
|
for (d = opc->args; *d; d += 2)
|
|
|
|
|
if (d[1] == 't')
|
|
|
|
|
break;
|
1999-05-03 15:29:11 +08:00
|
|
|
|
|
2005-07-01 19:16:33 +08:00
|
|
|
|
/* Don't match fmovel with more than one register;
|
|
|
|
|
wait for fmoveml. */
|
|
|
|
|
if (*d == '\0')
|
|
|
|
|
{
|
|
|
|
|
for (d = opc->args; *d; d += 2)
|
|
|
|
|
{
|
|
|
|
|
if (d[0] == 's' && d[1] == '8')
|
|
|
|
|
{
|
|
|
|
|
val = fetch_arg (buffer, d[1], 3, info);
|
|
|
|
|
if ((val & (val - 1)) != 0)
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
1999-05-03 15:29:11 +08:00
|
|
|
|
|
2005-11-10 22:32:28 +08:00
|
|
|
|
/* Don't match FPU insns with non-default coprocessor ID. */
|
|
|
|
|
if (*d == '\0')
|
|
|
|
|
{
|
|
|
|
|
for (d = opc->args; *d; d += 2)
|
|
|
|
|
{
|
|
|
|
|
if (d[0] == 'I')
|
|
|
|
|
{
|
|
|
|
|
val = fetch_arg (buffer, 'd', 3, info);
|
|
|
|
|
if (val != 1)
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
2005-07-01 19:16:33 +08:00
|
|
|
|
if (*d == '\0')
|
2006-05-25 16:09:03 +08:00
|
|
|
|
if ((val = match_insn_m68k (memaddr, info, opc)))
|
2005-07-01 19:16:33 +08:00
|
|
|
|
return val;
|
|
|
|
|
}
|
1999-05-03 15:29:11 +08:00
|
|
|
|
}
|
2006-05-25 16:09:03 +08:00
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Print the m68k instruction at address MEMADDR in debugged memory,
|
|
|
|
|
on INFO->STREAM. Returns length of the instruction, in bytes. */
|
|
|
|
|
|
|
|
|
|
int
|
|
|
|
|
print_insn_m68k (bfd_vma memaddr, disassemble_info *info)
|
|
|
|
|
{
|
|
|
|
|
unsigned int arch_mask;
|
|
|
|
|
struct private priv;
|
|
|
|
|
int val;
|
|
|
|
|
|
|
|
|
|
bfd_byte *buffer = priv.the_buffer;
|
|
|
|
|
|
2007-04-10 01:09:56 +08:00
|
|
|
|
/* Save these printing functions in case we need to restore them
|
|
|
|
|
later. */
|
|
|
|
|
fprintf_ftype save_printer = info->fprintf_func;
|
|
|
|
|
void (* save_print_address) (bfd_vma, struct disassemble_info *)
|
|
|
|
|
= info->print_address_func;
|
|
|
|
|
|
2006-05-25 16:09:03 +08:00
|
|
|
|
info->private_data = (PTR) &priv;
|
|
|
|
|
/* Tell objdump to use two bytes per chunk
|
|
|
|
|
and six bytes per line for displaying raw data. */
|
|
|
|
|
info->bytes_per_chunk = 2;
|
|
|
|
|
info->bytes_per_line = 6;
|
|
|
|
|
info->display_endian = BFD_ENDIAN_BIG;
|
|
|
|
|
priv.max_fetched = priv.the_buffer;
|
|
|
|
|
priv.insn_start = memaddr;
|
|
|
|
|
|
|
|
|
|
if (setjmp (priv.bailout) != 0)
|
2007-04-10 01:09:56 +08:00
|
|
|
|
{
|
|
|
|
|
/* longjmp may be called while these printing functions are
|
|
|
|
|
temporarily replaced with dummy functions. Restore them
|
|
|
|
|
before we leave.
|
|
|
|
|
|
|
|
|
|
Admittedly, this save-and-restore operation is somewhat ugly
|
|
|
|
|
in that we are exposing the fact that match_insn_m68k
|
|
|
|
|
temporarily replaces insn->fprintf_func and
|
|
|
|
|
insn->print_address_func. Perhaps, a real fix is to report a
|
|
|
|
|
FETCH_DATA failure with a return value of some sort, without
|
|
|
|
|
using setjmp/longjmp. A better fix may be to teach the m68k
|
|
|
|
|
disassembler do its job without temporarily replacing
|
|
|
|
|
insn->fprintf_func and insn->print_address_func, but that's a
|
|
|
|
|
task for another day. */
|
|
|
|
|
info->fprintf_func = save_printer;
|
|
|
|
|
info->print_address_func = save_print_address;
|
|
|
|
|
|
|
|
|
|
/* Error return. */
|
|
|
|
|
return -1;
|
|
|
|
|
}
|
2006-05-25 16:09:03 +08:00
|
|
|
|
|
|
|
|
|
arch_mask = bfd_m68k_mach_to_features (info->mach);
|
|
|
|
|
if (!arch_mask)
|
|
|
|
|
{
|
|
|
|
|
/* First try printing an m680x0 instruction. Try printing a Coldfire
|
|
|
|
|
one if that fails. */
|
|
|
|
|
val = m68k_scan_mask (memaddr, info, m68k_mask);
|
|
|
|
|
if (val)
|
|
|
|
|
return val;
|
|
|
|
|
|
|
|
|
|
val = m68k_scan_mask (memaddr, info, mcf_mask);
|
|
|
|
|
if (val)
|
|
|
|
|
return val;
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
val = m68k_scan_mask (memaddr, info, arch_mask);
|
|
|
|
|
if (val)
|
|
|
|
|
return val;
|
|
|
|
|
}
|
2005-07-01 19:16:33 +08:00
|
|
|
|
|
|
|
|
|
/* Handle undefined instructions. */
|
|
|
|
|
info->fprintf_func (info->stream, "0%o", (buffer[0] << 8) + buffer[1]);
|
|
|
|
|
return 2;
|
1999-05-03 15:29:11 +08:00
|
|
|
|
}
|