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Diffstat (limited to 'bfd/cpu-m68k.c')
-rw-r--r--bfd/cpu-m68k.c101
1 files changed, 68 insertions, 33 deletions
diff --git a/bfd/cpu-m68k.c b/bfd/cpu-m68k.c
index 5be4aa047cce..07abf9da130d 100644
--- a/bfd/cpu-m68k.c
+++ b/bfd/cpu-m68k.c
@@ -1,6 +1,6 @@
/* BFD library support routines for architectures.
Copyright 1990, 1991, 1992, 1993, 1994, 1997, 1998, 2000, 2001, 2002,
- 2003, 2004, 2006 Free Software Foundation, Inc.
+ 2003, 2004, 2006, 2007 Free Software Foundation, Inc.
Hacked by Steve Chamberlain of Cygnus Support.
This file is part of BFD, the Binary File Descriptor library.
@@ -19,8 +19,8 @@
along with this program; if not, write to the Free Software
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"
@@ -41,53 +41,60 @@ 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]),
/* 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[29]),
+ N(bfd_mach_mcf_isa_a_mac,"m68k:5206e", FALSE, &arch_info_struct[30]),
+ N(bfd_mach_mcf_isa_a_mac, "m68k:5307", FALSE, &arch_info_struct[31]),
+ N(bfd_mach_mcf_isa_b_nousp_mac, "m68k:5407", FALSE, &arch_info_struct[32]),
+ N(bfd_mach_mcf_isa_aplus_emac, "m68k:528x", FALSE, &arch_info_struct[33]),
+ N(bfd_mach_mcf_isa_aplus_emac, "m68k:521x", FALSE, &arch_info_struct[34]),
+ N(bfd_mach_mcf_isa_a_emac, "m68k:5249", FALSE, &arch_info_struct[35]),
N(bfd_mach_mcf_isa_b_float_emac, "m68k:547x",
- FALSE, &arch_info_struct[32]),
+ FALSE, &arch_info_struct[36]),
N(bfd_mach_mcf_isa_b_float_emac, "m68k:548x",
- FALSE, &arch_info_struct[33]),
+ FALSE, &arch_info_struct[37]),
N(bfd_mach_mcf_isa_b_float_emac, "m68k:cfv4e", FALSE, 0),
};
@@ -107,6 +114,7 @@ static const unsigned m68k_arch_features[] =
m68040|m68881|m68851,
m68060|m68881|m68851,
cpu32|m68881,
+ fido_a|m68881,
mcfisa_a,
mcfisa_a|mcfhwdiv,
mcfisa_a|mcfhwdiv|mcfmac,
@@ -123,6 +131,9 @@ static const unsigned m68k_arch_features[] =
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,
};
/* Return the count of bits set in MASK */
@@ -202,24 +213,48 @@ bfd_m68k_compatible (const bfd_arch_info_type *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
generated by cgit v1.2.3 (git 2.25.1) at 2025-08-04 02:40:41 +0000