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Retro68/binutils/opcodes/disassemble.c
Wolfgang Thaller 65c83606fb Update gcc to 7.2.0, binutils to 2.29, newlib to 2.5.0
2017-10-07 02:16:47 +02:00

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/* Select disassembly routine for specified architecture.
Copyright (C) 1994-2017 Free Software Foundation, Inc.
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 3 of the License, 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.
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. */
#include "sysdep.h"
#include "disassemble.h"
#include "safe-ctype.h"
#include <assert.h>
#ifdef ARCH_all
#define ARCH_aarch64
#define ARCH_alpha
#define ARCH_arc
#define ARCH_arm
#define ARCH_avr
#define ARCH_bfin
#define ARCH_cr16
#define ARCH_cris
#define ARCH_crx
#define ARCH_d10v
#define ARCH_d30v
#define ARCH_dlx
#define ARCH_epiphany
#define ARCH_fr30
#define ARCH_frv
#define ARCH_ft32
#define ARCH_h8300
#define ARCH_h8500
#define ARCH_hppa
#define ARCH_i370
#define ARCH_i386
#define ARCH_i860
#define ARCH_i960
#define ARCH_ia64
#define ARCH_ip2k
#define ARCH_iq2000
#define ARCH_lm32
#define ARCH_m32c
#define ARCH_m32r
#define ARCH_m68hc11
#define ARCH_m68hc12
#define ARCH_m68k
#define ARCH_m88k
#define ARCH_mcore
#define ARCH_mep
#define ARCH_metag
#define ARCH_microblaze
#define ARCH_mips
#define ARCH_mmix
#define ARCH_mn10200
#define ARCH_mn10300
#define ARCH_moxie
#define ARCH_mt
#define ARCH_msp430
#define ARCH_nds32
#define ARCH_nios2
#define ARCH_ns32k
#define ARCH_or1k
#define ARCH_pdp11
#define ARCH_pj
#define ARCH_powerpc
#define ARCH_pru
#define ARCH_rs6000
#define ARCH_rl78
#define ARCH_rx
#define ARCH_s390
#define ARCH_score
#define ARCH_sh
#define ARCH_sparc
#define ARCH_spu
#define ARCH_tic30
#define ARCH_tic4x
#define ARCH_tic54x
#define ARCH_tic6x
#define ARCH_tic80
#define ARCH_tilegx
#define ARCH_tilepro
#define ARCH_v850
#define ARCH_vax
#define ARCH_visium
#define ARCH_w65
#define ARCH_wasm32
#define ARCH_xstormy16
#define ARCH_xc16x
#define ARCH_xgate
#define ARCH_xtensa
#define ARCH_z80
#define ARCH_z8k
#define INCLUDE_SHMEDIA
#endif
#ifdef ARCH_m32c
#include "m32c-desc.h"
#endif
disassembler_ftype
disassembler (enum bfd_architecture a, bfd_boolean big, unsigned long mach,
bfd *abfd)
{
disassembler_ftype disassemble;
if (abfd != NULL)
{
/* Do some asserts that the first three parameters should equal
to what we can get from ABFD. On the other hand, these
asserts help removing some compiler errors on unused
parameter. */
assert (a == bfd_get_arch (abfd));
assert (big == bfd_big_endian (abfd));
assert (mach == bfd_get_mach (abfd));
}
switch (a)
{
/* If you add a case to this table, also add it to the
ARCH_all definition right above this function. */
#ifdef ARCH_aarch64
case bfd_arch_aarch64:
disassemble = print_insn_aarch64;
break;
#endif
#ifdef ARCH_alpha
case bfd_arch_alpha:
disassemble = print_insn_alpha;
break;
#endif
#ifdef ARCH_arc
case bfd_arch_arc:
disassemble = arc_get_disassembler (abfd);
break;
#endif
#ifdef ARCH_arm
case bfd_arch_arm:
if (big)
disassemble = print_insn_big_arm;
else
disassemble = print_insn_little_arm;
break;
#endif
#ifdef ARCH_avr
case bfd_arch_avr:
disassemble = print_insn_avr;
break;
#endif
#ifdef ARCH_bfin
case bfd_arch_bfin:
disassemble = print_insn_bfin;
break;
#endif
#ifdef ARCH_cr16
case bfd_arch_cr16:
disassemble = print_insn_cr16;
break;
#endif
#ifdef ARCH_cris
case bfd_arch_cris:
disassemble = cris_get_disassembler (abfd);
break;
#endif
#ifdef ARCH_crx
case bfd_arch_crx:
disassemble = print_insn_crx;
break;
#endif
#ifdef ARCH_d10v
case bfd_arch_d10v:
disassemble = print_insn_d10v;
break;
#endif
#ifdef ARCH_d30v
case bfd_arch_d30v:
disassemble = print_insn_d30v;
break;
#endif
#ifdef ARCH_dlx
case bfd_arch_dlx:
/* As far as I know we only handle big-endian DLX objects. */
disassemble = print_insn_dlx;
break;
#endif
#ifdef ARCH_h8300
case bfd_arch_h8300:
if (mach == bfd_mach_h8300h || mach == bfd_mach_h8300hn)
disassemble = print_insn_h8300h;
else if (mach == bfd_mach_h8300s
|| mach == bfd_mach_h8300sn
|| mach == bfd_mach_h8300sx
|| mach == bfd_mach_h8300sxn)
disassemble = print_insn_h8300s;
else
disassemble = print_insn_h8300;
break;
#endif
#ifdef ARCH_h8500
case bfd_arch_h8500:
disassemble = print_insn_h8500;
break;
#endif
#ifdef ARCH_hppa
case bfd_arch_hppa:
disassemble = print_insn_hppa;
break;
#endif
#ifdef ARCH_i370
case bfd_arch_i370:
disassemble = print_insn_i370;
break;
#endif
#ifdef ARCH_i386
case bfd_arch_i386:
case bfd_arch_iamcu:
case bfd_arch_l1om:
case bfd_arch_k1om:
disassemble = print_insn_i386;
break;
#endif
#ifdef ARCH_i860
case bfd_arch_i860:
disassemble = print_insn_i860;
break;
#endif
#ifdef ARCH_i960
case bfd_arch_i960:
disassemble = print_insn_i960;
break;
#endif
#ifdef ARCH_ia64
case bfd_arch_ia64:
disassemble = print_insn_ia64;
break;
#endif
#ifdef ARCH_ip2k
case bfd_arch_ip2k:
disassemble = print_insn_ip2k;
break;
#endif
#ifdef ARCH_epiphany
case bfd_arch_epiphany:
disassemble = print_insn_epiphany;
break;
#endif
#ifdef ARCH_fr30
case bfd_arch_fr30:
disassemble = print_insn_fr30;
break;
#endif
#ifdef ARCH_lm32
case bfd_arch_lm32:
disassemble = print_insn_lm32;
break;
#endif
#ifdef ARCH_m32r
case bfd_arch_m32r:
disassemble = print_insn_m32r;
break;
#endif
#if defined(ARCH_m68hc11) || defined(ARCH_m68hc12) \
|| defined(ARCH_9s12x) || defined(ARCH_m9s12xg)
case bfd_arch_m68hc11:
disassemble = print_insn_m68hc11;
break;
case bfd_arch_m68hc12:
disassemble = print_insn_m68hc12;
break;
case bfd_arch_m9s12x:
disassemble = print_insn_m9s12x;
break;
case bfd_arch_m9s12xg:
disassemble = print_insn_m9s12xg;
break;
#endif
#ifdef ARCH_m68k
case bfd_arch_m68k:
disassemble = print_insn_m68k;
break;
#endif
#ifdef ARCH_m88k
case bfd_arch_m88k:
disassemble = print_insn_m88k;
break;
#endif
#ifdef ARCH_mt
case bfd_arch_mt:
disassemble = print_insn_mt;
break;
#endif
#ifdef ARCH_microblaze
case bfd_arch_microblaze:
disassemble = print_insn_microblaze;
break;
#endif
#ifdef ARCH_msp430
case bfd_arch_msp430:
disassemble = print_insn_msp430;
break;
#endif
#ifdef ARCH_nds32
case bfd_arch_nds32:
disassemble = print_insn_nds32;
break;
#endif
#ifdef ARCH_ns32k
case bfd_arch_ns32k:
disassemble = print_insn_ns32k;
break;
#endif
#ifdef ARCH_mcore
case bfd_arch_mcore:
disassemble = print_insn_mcore;
break;
#endif
#ifdef ARCH_mep
case bfd_arch_mep:
disassemble = print_insn_mep;
break;
#endif
#ifdef ARCH_metag
case bfd_arch_metag:
disassemble = print_insn_metag;
break;
#endif
#ifdef ARCH_mips
case bfd_arch_mips:
if (big)
disassemble = print_insn_big_mips;
else
disassemble = print_insn_little_mips;
break;
#endif
#ifdef ARCH_mmix
case bfd_arch_mmix:
disassemble = print_insn_mmix;
break;
#endif
#ifdef ARCH_mn10200
case bfd_arch_mn10200:
disassemble = print_insn_mn10200;
break;
#endif
#ifdef ARCH_mn10300
case bfd_arch_mn10300:
disassemble = print_insn_mn10300;
break;
#endif
#ifdef ARCH_nios2
case bfd_arch_nios2:
if (big)
disassemble = print_insn_big_nios2;
else
disassemble = print_insn_little_nios2;
break;
#endif
#ifdef ARCH_or1k
case bfd_arch_or1k:
disassemble = print_insn_or1k;
break;
#endif
#ifdef ARCH_pdp11
case bfd_arch_pdp11:
disassemble = print_insn_pdp11;
break;
#endif
#ifdef ARCH_pj
case bfd_arch_pj:
disassemble = print_insn_pj;
break;
#endif
#ifdef ARCH_powerpc
case bfd_arch_powerpc:
if (big)
disassemble = print_insn_big_powerpc;
else
disassemble = print_insn_little_powerpc;
break;
#endif
#ifdef ARCH_pru
case bfd_arch_pru:
disassemble = print_insn_pru;
break;
#endif
#ifdef ARCH_riscv
case bfd_arch_riscv:
disassemble = print_insn_riscv;
break;
#endif
#ifdef ARCH_rs6000
case bfd_arch_rs6000:
if (mach == bfd_mach_ppc_620)
disassemble = print_insn_big_powerpc;
else
disassemble = print_insn_rs6000;
break;
#endif
#ifdef ARCH_rl78
case bfd_arch_rl78:
disassemble = rl78_get_disassembler (abfd);
break;
#endif
#ifdef ARCH_rx
case bfd_arch_rx:
disassemble = print_insn_rx;
break;
#endif
#ifdef ARCH_s390
case bfd_arch_s390:
disassemble = print_insn_s390;
break;
#endif
#ifdef ARCH_score
case bfd_arch_score:
if (big)
disassemble = print_insn_big_score;
else
disassemble = print_insn_little_score;
break;
#endif
#ifdef ARCH_sh
case bfd_arch_sh:
disassemble = print_insn_sh;
break;
#endif
#ifdef ARCH_sparc
case bfd_arch_sparc:
disassemble = print_insn_sparc;
break;
#endif
#ifdef ARCH_spu
case bfd_arch_spu:
disassemble = print_insn_spu;
break;
#endif
#ifdef ARCH_tic30
case bfd_arch_tic30:
disassemble = print_insn_tic30;
break;
#endif
#ifdef ARCH_tic4x
case bfd_arch_tic4x:
disassemble = print_insn_tic4x;
break;
#endif
#ifdef ARCH_tic54x
case bfd_arch_tic54x:
disassemble = print_insn_tic54x;
break;
#endif
#ifdef ARCH_tic6x
case bfd_arch_tic6x:
disassemble = print_insn_tic6x;
break;
#endif
#ifdef ARCH_tic80
case bfd_arch_tic80:
disassemble = print_insn_tic80;
break;
#endif
#ifdef ARCH_ft32
case bfd_arch_ft32:
disassemble = print_insn_ft32;
break;
#endif
#ifdef ARCH_v850
case bfd_arch_v850:
case bfd_arch_v850_rh850:
disassemble = print_insn_v850;
break;
#endif
#ifdef ARCH_w65
case bfd_arch_w65:
disassemble = print_insn_w65;
break;
#endif
#ifdef ARCH_wasm32
case bfd_arch_wasm32:
disassemble = print_insn_wasm32;
break;
#endif
#ifdef ARCH_xgate
case bfd_arch_xgate:
disassemble = print_insn_xgate;
break;
#endif
#ifdef ARCH_xstormy16
case bfd_arch_xstormy16:
disassemble = print_insn_xstormy16;
break;
#endif
#ifdef ARCH_xc16x
case bfd_arch_xc16x:
disassemble = print_insn_xc16x;
break;
#endif
#ifdef ARCH_xtensa
case bfd_arch_xtensa:
disassemble = print_insn_xtensa;
break;
#endif
#ifdef ARCH_z80
case bfd_arch_z80:
disassemble = print_insn_z80;
break;
#endif
#ifdef ARCH_z8k
case bfd_arch_z8k:
if (mach == bfd_mach_z8001)
disassemble = print_insn_z8001;
else
disassemble = print_insn_z8002;
break;
#endif
#ifdef ARCH_vax
case bfd_arch_vax:
disassemble = print_insn_vax;
break;
#endif
#ifdef ARCH_visium
case bfd_arch_visium:
disassemble = print_insn_visium;
break;
#endif
#ifdef ARCH_frv
case bfd_arch_frv:
disassemble = print_insn_frv;
break;
#endif
#ifdef ARCH_moxie
case bfd_arch_moxie:
disassemble = print_insn_moxie;
break;
#endif
#ifdef ARCH_iq2000
case bfd_arch_iq2000:
disassemble = print_insn_iq2000;
break;
#endif
#ifdef ARCH_m32c
case bfd_arch_m32c:
disassemble = print_insn_m32c;
break;
#endif
#ifdef ARCH_tilegx
case bfd_arch_tilegx:
disassemble = print_insn_tilegx;
break;
#endif
#ifdef ARCH_tilepro
case bfd_arch_tilepro:
disassemble = print_insn_tilepro;
break;
#endif
default:
return 0;
}
return disassemble;
}
void
disassembler_usage (FILE *stream ATTRIBUTE_UNUSED)
{
#ifdef ARCH_aarch64
print_aarch64_disassembler_options (stream);
#endif
#ifdef ARCH_arc
print_arc_disassembler_options (stream);
#endif
#ifdef ARCH_arm
print_arm_disassembler_options (stream);
#endif
#ifdef ARCH_mips
print_mips_disassembler_options (stream);
#endif
#ifdef ARCH_powerpc
print_ppc_disassembler_options (stream);
#endif
#ifdef ARCH_riscv
print_riscv_disassembler_options (stream);
#endif
#ifdef ARCH_i386
print_i386_disassembler_options (stream);
#endif
#ifdef ARCH_s390
print_s390_disassembler_options (stream);
#endif
#ifdef ARCH_wasm32
print_wasm32_disassembler_options (stream);
#endif
return;
}
void
disassemble_init_for_target (struct disassemble_info * info)
{
if (info == NULL)
return;
switch (info->arch)
{
#ifdef ARCH_aarch64
case bfd_arch_aarch64:
info->symbol_is_valid = aarch64_symbol_is_valid;
info->disassembler_needs_relocs = TRUE;
break;
#endif
#ifdef ARCH_arm
case bfd_arch_arm:
info->symbol_is_valid = arm_symbol_is_valid;
info->disassembler_needs_relocs = TRUE;
break;
#endif
#ifdef ARCH_ia64
case bfd_arch_ia64:
info->skip_zeroes = 16;
break;
#endif
#ifdef ARCH_tic4x
case bfd_arch_tic4x:
info->skip_zeroes = 32;
break;
#endif
#ifdef ARCH_mep
case bfd_arch_mep:
info->skip_zeroes = 256;
info->skip_zeroes_at_end = 0;
break;
#endif
#ifdef ARCH_metag
case bfd_arch_metag:
info->disassembler_needs_relocs = TRUE;
break;
#endif
#ifdef ARCH_m32c
case bfd_arch_m32c:
/* This processor in fact is little endian. The value set here
reflects the way opcodes are written in the cgen description. */
info->endian = BFD_ENDIAN_BIG;
if (! info->insn_sets)
{
info->insn_sets = cgen_bitset_create (ISA_MAX);
if (info->mach == bfd_mach_m16c)
cgen_bitset_set (info->insn_sets, ISA_M16C);
else
cgen_bitset_set (info->insn_sets, ISA_M32C);
}
break;
#endif
#ifdef ARCH_powerpc
case bfd_arch_powerpc:
#endif
#ifdef ARCH_rs6000
case bfd_arch_rs6000:
#endif
#if defined (ARCH_powerpc) || defined (ARCH_rs6000)
disassemble_init_powerpc (info);
break;
#endif
#ifdef ARCH_wasm32
case bfd_arch_wasm32:
disassemble_init_wasm32 (info);
break;
#endif
#ifdef ARCH_s390
case bfd_arch_s390:
disassemble_init_s390 (info);
break;
#endif
default:
break;
}
}
/* Remove whitespace and consecutive commas from OPTIONS. */
char *
remove_whitespace_and_extra_commas (char *options)
{
char *str;
size_t i, len;
if (options == NULL)
return NULL;
/* Strip off all trailing whitespace and commas. */
for (len = strlen (options); len > 0; len--)
{
if (!ISSPACE (options[len - 1]) && options[len - 1] != ',')
break;
options[len - 1] = '\0';
}
/* Convert all remaining whitespace to commas. */
for (i = 0; options[i] != '\0'; i++)
if (ISSPACE (options[i]))
options[i] = ',';
/* Remove consecutive commas. */
for (str = options; *str != '\0'; str++)
if (*str == ',' && (*(str + 1) == ',' || str == options))
{
char *next = str + 1;
while (*next == ',')
next++;
len = strlen (next);
if (str != options)
str++;
memmove (str, next, len);
next[len - (size_t)(next - str)] = '\0';
}
return (strlen (options) != 0) ? options : NULL;
}
/* Like STRCMP, but treat ',' the same as '\0' so that we match
strings like "foobar" against "foobar,xxyyzz,...". */
int
disassembler_options_cmp (const char *s1, const char *s2)
{
unsigned char c1, c2;
do
{
c1 = (unsigned char) *s1++;
if (c1 == ',')
c1 = '\0';
c2 = (unsigned char) *s2++;
if (c2 == ',')
c2 = '\0';
if (c1 == '\0')
return c1 - c2;
}
while (c1 == c2);
return c1 - c2;
}
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