/* BFD library support routines for architectures.
- Copyright 1990, 1991, 1992, 1993, 1994, 1997, 1998, 2000, 2001, 2002,
- 2003, 2004, 2006 Free Software Foundation, Inc.
+ Copyright (C) 1990-2021 Free Software Foundation, Inc.
Hacked by Steve Chamberlain of Cygnus Support.
This file is part of BFD, the Binary File Descriptor library.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
+ 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,
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. */
+ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+ MA 02110-1301, USA. */
-#include "bfd.h"
#include "sysdep.h"
+#include "bfd.h"
#include "libbfd.h"
#include "opcode/m68k.h"
+#include "cpu-m68k.h"
static const bfd_arch_info_type *
bfd_m68k_compatible (const bfd_arch_info_type *a,
const bfd_arch_info_type *b);
#define N(name, print,d,next) \
-{ 32, 32, 8, bfd_arch_m68k, name, "m68k",print,2,d,bfd_m68k_compatible,bfd_default_scan, next, }
+{ 32, 32, 8, bfd_arch_m68k, name, "m68k",print,2,d,bfd_m68k_compatible, \
+ bfd_default_scan, bfd_arch_default_fill, next, 0 }
static const bfd_arch_info_type arch_info_struct[] =
{
N(bfd_mach_m68040, "m68k:68040", FALSE, &arch_info_struct[6]),
N(bfd_mach_m68060, "m68k:68060", FALSE, &arch_info_struct[7]),
N(bfd_mach_cpu32, "m68k:cpu32", FALSE, &arch_info_struct[8]),
+ N(bfd_mach_fido, "m68k:fido", FALSE, &arch_info_struct[9]),
/* Various combinations of CF architecture features */
N(bfd_mach_mcf_isa_a_nodiv, "m68k:isa-a:nodiv",
- FALSE, &arch_info_struct[9]),
- N(bfd_mach_mcf_isa_a, "m68k:isa-a",
FALSE, &arch_info_struct[10]),
- N(bfd_mach_mcf_isa_a_mac, "m68k:isa-a:mac",
+ N(bfd_mach_mcf_isa_a, "m68k:isa-a",
FALSE, &arch_info_struct[11]),
- N(bfd_mach_mcf_isa_a_emac, "m68k:isa-a:emac",
+ N(bfd_mach_mcf_isa_a_mac, "m68k:isa-a:mac",
FALSE, &arch_info_struct[12]),
- N(bfd_mach_mcf_isa_aplus, "m68k:isa-aplus",
+ N(bfd_mach_mcf_isa_a_emac, "m68k:isa-a:emac",
FALSE, &arch_info_struct[13]),
- N(bfd_mach_mcf_isa_aplus_mac, "m68k:isa-aplus:mac",
+ N(bfd_mach_mcf_isa_aplus, "m68k:isa-aplus",
FALSE, &arch_info_struct[14]),
- N(bfd_mach_mcf_isa_aplus_emac, "m68k:isa-aplus:emac",
+ N(bfd_mach_mcf_isa_aplus_mac, "m68k:isa-aplus:mac",
FALSE, &arch_info_struct[15]),
- N(bfd_mach_mcf_isa_b_nousp, "m68k:isa-b:nousp",
+ N(bfd_mach_mcf_isa_aplus_emac, "m68k:isa-aplus:emac",
FALSE, &arch_info_struct[16]),
- N(bfd_mach_mcf_isa_b_nousp_mac, "m68k:isa-b:nousp:mac",
+ N(bfd_mach_mcf_isa_b_nousp, "m68k:isa-b:nousp",
FALSE, &arch_info_struct[17]),
- N(bfd_mach_mcf_isa_b_nousp_emac, "m68k:isa-b:nousp:emac",
+ N(bfd_mach_mcf_isa_b_nousp_mac, "m68k:isa-b:nousp:mac",
FALSE, &arch_info_struct[18]),
- N(bfd_mach_mcf_isa_b, "m68k:isa-b",
+ N(bfd_mach_mcf_isa_b_nousp_emac, "m68k:isa-b:nousp:emac",
FALSE, &arch_info_struct[19]),
- N(bfd_mach_mcf_isa_b_mac, "m68k:isa-b:mac",
+ N(bfd_mach_mcf_isa_b, "m68k:isa-b",
FALSE, &arch_info_struct[20]),
- N(bfd_mach_mcf_isa_b_emac, "m68k:isa-b:emac",
+ N(bfd_mach_mcf_isa_b_mac, "m68k:isa-b:mac",
FALSE, &arch_info_struct[21]),
- N(bfd_mach_mcf_isa_b_float, "m68k:isa-b:float",
+ N(bfd_mach_mcf_isa_b_emac, "m68k:isa-b:emac",
FALSE, &arch_info_struct[22]),
- N(bfd_mach_mcf_isa_b_float_mac, "m68k:isa-b:float:mac",
+ N(bfd_mach_mcf_isa_b_float, "m68k:isa-b:float",
FALSE, &arch_info_struct[23]),
- N(bfd_mach_mcf_isa_b_float_emac, "m68k:isa-b:float:emac",
+ N(bfd_mach_mcf_isa_b_float_mac, "m68k:isa-b:float:mac",
FALSE, &arch_info_struct[24]),
+ N(bfd_mach_mcf_isa_b_float_emac, "m68k:isa-b:float:emac",
+ FALSE, &arch_info_struct[25]),
+ N(bfd_mach_mcf_isa_c, "m68k:isa-c",
+ FALSE, &arch_info_struct[26]),
+ N(bfd_mach_mcf_isa_c_mac, "m68k:isa-c:mac",
+ FALSE, &arch_info_struct[27]),
+ N(bfd_mach_mcf_isa_c_emac, "m68k:isa-c:emac",
+ FALSE, &arch_info_struct[28]),
+ N(bfd_mach_mcf_isa_c_nodiv, "m68k:isa-c:nodiv",
+ FALSE, &arch_info_struct[29]),
+ N(bfd_mach_mcf_isa_c_nodiv_mac, "m68k:isa-c:nodiv:mac",
+ FALSE, &arch_info_struct[30]),
+ N(bfd_mach_mcf_isa_c_nodiv_emac, "m68k:isa-c:nodiv:emac",
+ FALSE, &arch_info_struct[31]),
/* Legacy names for CF architectures */
- N(bfd_mach_mcf_isa_a_nodiv, "m68k:5200", FALSE, &arch_info_struct[25]),
- N(bfd_mach_mcf_isa_a_mac,"m68k:5206e", FALSE, &arch_info_struct[26]),
- N(bfd_mach_mcf_isa_a_mac, "m68k:5307", FALSE, &arch_info_struct[27]),
- N(bfd_mach_mcf_isa_b_nousp_mac, "m68k:5407", FALSE, &arch_info_struct[28]),
- N(bfd_mach_mcf_isa_aplus_emac, "m68k:528x", FALSE, &arch_info_struct[29]),
- N(bfd_mach_mcf_isa_aplus_emac, "m68k:521x", FALSE, &arch_info_struct[30]),
- N(bfd_mach_mcf_isa_a_emac, "m68k:5249", FALSE, &arch_info_struct[31]),
+ N(bfd_mach_mcf_isa_a_nodiv, "m68k:5200", FALSE, &arch_info_struct[32]),
+ N(bfd_mach_mcf_isa_a_mac,"m68k:5206e", FALSE, &arch_info_struct[33]),
+ N(bfd_mach_mcf_isa_a_mac, "m68k:5307", FALSE, &arch_info_struct[34]),
+ N(bfd_mach_mcf_isa_b_nousp_mac, "m68k:5407", FALSE, &arch_info_struct[35]),
+ N(bfd_mach_mcf_isa_aplus_emac, "m68k:528x", FALSE, &arch_info_struct[36]),
+ N(bfd_mach_mcf_isa_aplus_emac, "m68k:521x", FALSE, &arch_info_struct[37]),
+ N(bfd_mach_mcf_isa_a_emac, "m68k:5249", FALSE, &arch_info_struct[38]),
N(bfd_mach_mcf_isa_b_float_emac, "m68k:547x",
- FALSE, &arch_info_struct[32]),
+ FALSE, &arch_info_struct[39]),
N(bfd_mach_mcf_isa_b_float_emac, "m68k:548x",
- FALSE, &arch_info_struct[33]),
+ FALSE, &arch_info_struct[40]),
N(bfd_mach_mcf_isa_b_float_emac, "m68k:cfv4e", FALSE, 0),
};
/* Table indexed by bfd_mach_arch number indicating which
architectural features are supported. */
-static const unsigned m68k_arch_features[] =
+static const unsigned m68k_arch_features[] =
{
0,
m68000|m68881|m68851,
m68040|m68881|m68851,
m68060|m68881|m68851,
cpu32|m68881,
+ fido_a|m68881,
mcfisa_a,
mcfisa_a|mcfhwdiv,
mcfisa_a|mcfhwdiv|mcfmac,
mcfisa_a|mcfhwdiv|mcfisa_b|mcfusp|cfloat,
mcfisa_a|mcfhwdiv|mcfisa_b|mcfusp|cfloat|mcfmac,
mcfisa_a|mcfhwdiv|mcfisa_b|mcfusp|cfloat|mcfemac,
+ mcfisa_a|mcfhwdiv|mcfisa_c|mcfusp,
+ mcfisa_a|mcfhwdiv|mcfisa_c|mcfusp|mcfmac,
+ mcfisa_a|mcfhwdiv|mcfisa_c|mcfusp|mcfemac,
+ mcfisa_a|mcfisa_c|mcfusp,
+ mcfisa_a|mcfisa_c|mcfusp|mcfmac,
+ mcfisa_a|mcfisa_c|mcfusp|mcfemac,
};
/* Return the count of bits set in MASK */
ix++)
{
unsigned this_extra, this_missing;
-
+
if (m68k_arch_features[ix] == features)
return ix;
this_extra = bit_count (m68k_arch_features[ix] & ~features);
extra = this_extra;
superset = ix;
}
-
+
this_missing = bit_count (features & ~m68k_arch_features[ix]);
if (this_missing < missing)
{
return b;
if (!b->mach)
return a;
-
+
if (a->mach <= bfd_mach_m68060 && b->mach <= bfd_mach_m68060)
/* Merge m68k machine. */
return a->mach > b->mach ? a : b;
- else if (a->mach == bfd_mach_cpu32 && b->mach == bfd_mach_cpu32)
- /* CPU32 is compatible with itself. */
- return a;
- else if (a->mach >= bfd_mach_mcf_isa_a_nodiv
- && b->mach >= bfd_mach_mcf_isa_a_nodiv)
+ else if (a->mach >= bfd_mach_cpu32 && b->mach >= bfd_mach_cpu32)
{
- /* Merge cf machine. */
+ /* Merge the machine features. */
unsigned features = (bfd_m68k_mach_to_features (a->mach)
| bfd_m68k_mach_to_features (b->mach));
+ /* CPU32 and Coldfire are incompatible. */
+ if ((~features & (cpu32 | mcfisa_a)) == 0)
+ return NULL;
+
+ /* Fido and Coldfire are incompatible. */
+ if ((~features & (fido_a | mcfisa_a)) == 0)
+ return NULL;
+
/* ISA A+ and ISA B are incompatible. */
if ((~features & (mcfisa_aa | mcfisa_b)) == 0)
return NULL;
+ /* ISA B and ISA C are incompatible. */
+ if ((~features & (mcfisa_b | mcfisa_c)) == 0)
+ return NULL;
+
/* MAC and EMAC code cannot be merged. */
if ((~features & (mcfmac | mcfemac)) == 0)
return NULL;
+ /* CPU32 is compatible with Fido except that Fido does not
+ support tbl instructions. Warn when the user wants to mix
+ the two. */
+ if ((a->mach == bfd_mach_cpu32 && b->mach == bfd_mach_fido)
+ || (a->mach == bfd_mach_fido && b->mach == bfd_mach_cpu32))
+ {
+ static int cpu32_fido_mix_warning;
+ if (!cpu32_fido_mix_warning)
+ {
+ cpu32_fido_mix_warning = 1;
+ _bfd_error_handler ("warning: linking CPU32 objects with fido objects");
+ }
+ return bfd_lookup_arch (a->arch,
+ bfd_m68k_features_to_mach (fido_a | m68881));
+ }
+
return bfd_lookup_arch (a->arch, bfd_m68k_features_to_mach (features));
}
else
projects / thirdparty / binutils-gdb.git / blobdiff