* 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.

8 files changed, 414 insertions, 58 deletions

diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 5820f98e8f..c9437269f2 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,33 @@
+2006-01-26  Nathan Sidwell  <nathan@codesourcery.com>
+
+	* 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-in.h (bfd_m68k_mach_to_features,
+	bfd_m68k_features_to_mach): Declare.
+	* bfd-in2.h: Rebuilt.
+	* 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.
+	* 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.
+	* ieee.c (ieee_write_processor): Update coldfire machines.
+	* libbfd.h: Rebuilt.
+
 2006-02-06  Steve Ellcey  <sje@cup.hp.com>
 
 	* elfxx-ia64.c (elfNN_ia64_fake_sections): Set SHF_IA_64_HP_TLS
diff --git a/bfd/archures.c b/bfd/archures.c
index 069393a5c8..e9a90e7483 100644
--- a/bfd/archures.c
+++ b/bfd/archures.c
@@ -1,6 +1,6 @@
 /* BFD library support routines for architectures.
    Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
-   2000, 2001, 2002, 2003, 2004, 2005
+   2000, 2001, 2002, 2003, 2004, 2005, 2006
    Free Software Foundation, Inc.
    Hacked by John Gilmore and Steve Chamberlain of Cygnus Support.
 
@@ -80,16 +80,22 @@ DESCRIPTION
 .#define bfd_mach_m68040 6
 .#define bfd_mach_m68060 7
 .#define bfd_mach_cpu32  8
-.#define bfd_mach_mcf5200  9
-.#define bfd_mach_mcf5206e 10
-.#define bfd_mach_mcf5307  11
-.#define bfd_mach_mcf5407  12
-.#define bfd_mach_mcf528x  13
-.#define bfd_mach_mcfv4e   14
-.#define bfd_mach_mcf521x   15
-.#define bfd_mach_mcf5249   16
-.#define bfd_mach_mcf547x   17
-.#define bfd_mach_mcf548x   18
+.#define bfd_mach_mcf_isa_a 9
+.#define bfd_mach_mcf_isa_a_div 10
+.#define bfd_mach_mcf_isa_a_div_mac 11
+.#define bfd_mach_mcf_isa_a_div_emac 12
+.#define bfd_mach_mcf_isa_aplus 13
+.#define bfd_mach_mcf_isa_aplus_mac 14
+.#define bfd_mach_mcf_isa_aplus_emac 15
+.#define bfd_mach_mcf_isa_aplus_usp 16
+.#define bfd_mach_mcf_isa_aplus_usp_mac 17
+.#define bfd_mach_mcf_isa_aplus_usp_emac 18
+.#define bfd_mach_mcf_isa_b 19
+.#define bfd_mach_mcf_isa_b_mac 20
+.#define bfd_mach_mcf_isa_b_emac 21
+.#define bfd_mach_mcf_isa_b_usp_float 22
+.#define bfd_mach_mcf_isa_b_usp_float_mac 23
+.#define bfd_mach_mcf_isa_b_usp_float_emac 24
 .  bfd_arch_vax,       {* DEC Vax *}
 .  bfd_arch_i960,      {* Intel 960 *}
 .    {* The order of the following is important.
@@ -1004,23 +1010,23 @@ bfd_default_scan (const bfd_arch_info_type *info, const char *string)
       break;
     case 5200:
       arch = bfd_arch_m68k;
-      number = bfd_mach_mcf5200;
+      number = bfd_mach_mcf_isa_a;
       break;
     case 5206:
       arch = bfd_arch_m68k;
-      number = bfd_mach_mcf5206e;
+      number = bfd_mach_mcf_isa_a_div_mac;
       break;
     case 5307:
       arch = bfd_arch_m68k;
-      number = bfd_mach_mcf5307;
+      number = bfd_mach_mcf_isa_a_div_mac;
       break;
     case 5407:
       arch = bfd_arch_m68k;
-      number = bfd_mach_mcf5407;
+      number = bfd_mach_mcf_isa_b_mac;
       break;
     case 5282:
       arch = bfd_arch_m68k;
-      number = bfd_mach_mcf528x;
+      number = bfd_mach_mcf_isa_b_usp_float_emac;
       break;
 
     case 32000:
diff --git a/bfd/bfd-in.h b/bfd/bfd-in.h
index 74aded86db..25ae6a4495 100644
--- a/bfd/bfd-in.h
+++ b/bfd/bfd-in.h
@@ -1,7 +1,8 @@
 /* Main header file for the bfd library -- portable access to object files.
 
    Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
-   1999, 2000, 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
+   1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006
+   Free Software Foundation, Inc.
 
    Contributed by Cygnus Support.
 
@@ -706,6 +707,10 @@ extern struct bfd_section *_bfd_elf_tls_setup
 extern void _bfd_fix_excluded_sec_syms
   (bfd *, struct bfd_link_info *);
 
+extern unsigned bfd_m68k_mach_to_features (int);
+
+extern int bfd_m68k_features_to_mach (unsigned);
+
 extern bfd_boolean bfd_m68k_elf32_create_embedded_relocs
   (bfd *, struct bfd_link_info *, struct bfd_section *, struct bfd_section *,
    char **);
diff --git a/bfd/bfd-in2.h b/bfd/bfd-in2.h
index cae4ede6e9..1578cbcbd8 100644
--- a/bfd/bfd-in2.h
+++ b/bfd/bfd-in2.h
@@ -714,6 +714,10 @@ extern struct bfd_section *_bfd_elf_tls_setup
 extern void _bfd_fix_excluded_sec_syms
   (bfd *, struct bfd_link_info *);
 
+extern unsigned bfd_m68k_mach_to_features (int);
+
+extern int bfd_m68k_features_to_mach (unsigned);
+
 extern bfd_boolean bfd_m68k_elf32_create_embedded_relocs
   (bfd *, struct bfd_link_info *, struct bfd_section *, struct bfd_section *,
    char **);
@@ -1670,16 +1674,22 @@ enum bfd_architecture
 #define bfd_mach_m68040 6
 #define bfd_mach_m68060 7
 #define bfd_mach_cpu32  8
-#define bfd_mach_mcf5200  9
-#define bfd_mach_mcf5206e 10
-#define bfd_mach_mcf5307  11
-#define bfd_mach_mcf5407  12
-#define bfd_mach_mcf528x  13
-#define bfd_mach_mcfv4e   14
-#define bfd_mach_mcf521x   15
-#define bfd_mach_mcf5249   16
-#define bfd_mach_mcf547x   17
-#define bfd_mach_mcf548x   18
+#define bfd_mach_mcf_isa_a 9
+#define bfd_mach_mcf_isa_a_div 10
+#define bfd_mach_mcf_isa_a_div_mac 11
+#define bfd_mach_mcf_isa_a_div_emac 12
+#define bfd_mach_mcf_isa_aplus 13
+#define bfd_mach_mcf_isa_aplus_mac 14
+#define bfd_mach_mcf_isa_aplus_emac 15
+#define bfd_mach_mcf_isa_aplus_usp 16
+#define bfd_mach_mcf_isa_aplus_usp_mac 17
+#define bfd_mach_mcf_isa_aplus_usp_emac 18
+#define bfd_mach_mcf_isa_b 19
+#define bfd_mach_mcf_isa_b_mac 20
+#define bfd_mach_mcf_isa_b_emac 21
+#define bfd_mach_mcf_isa_b_usp_float 22
+#define bfd_mach_mcf_isa_b_usp_float_mac 23
+#define bfd_mach_mcf_isa_b_usp_float_emac 24
   bfd_arch_vax,       /* DEC Vax */
   bfd_arch_i960,      /* Intel 960 */
     /* The order of the following is important.
diff --git a/bfd/cpu-m68k.c b/bfd/cpu-m68k.c
index e2ac095d50..93b60f969b 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 Free Software Foundation, Inc.
+   2003, 2004, 2006 Free Software Foundation, Inc.
    Hacked by Steve Chamberlain of Cygnus Support.
 
    This file is part of BFD, the Binary File Descriptor library.
@@ -22,6 +22,7 @@
 #include "bfd.h"
 #include "sysdep.h"
 #include "libbfd.h"
+#include "opcode/m68k.h"
 
 #define N(name, print,d,next)  \
 {  32, 32, 8, bfd_arch_m68k, name, "m68k",print,2,d,bfd_default_compatible,bfd_default_scan, next, }
@@ -34,19 +35,149 @@ static const bfd_arch_info_type arch_info_struct[] =
     N(bfd_mach_m68020,  "m68k:68020", FALSE, &arch_info_struct[4]),
     N(bfd_mach_m68030,  "m68k:68030", FALSE, &arch_info_struct[5]),
     N(bfd_mach_m68040,  "m68k:68040", FALSE, &arch_info_struct[6]),
-    N(bfd_mach_cpu32,   "m68k:cpu32", FALSE, &arch_info_struct[7]),
-    N(bfd_mach_mcf5200, "m68k:5200",  FALSE, &arch_info_struct[8]),
-    N(bfd_mach_mcf5206e,"m68k:5206e", FALSE, &arch_info_struct[9]),
-    N(bfd_mach_mcf5307, "m68k:5307",  FALSE, &arch_info_struct[10]),
-    N(bfd_mach_mcf5407, "m68k:5407",  FALSE, &arch_info_struct[11]),
-    N(bfd_mach_m68060,  "m68k:68060", FALSE, &arch_info_struct[12]),
-    N(bfd_mach_mcf528x, "m68k:528x",  FALSE, &arch_info_struct[13]),
-    N(bfd_mach_mcf521x, "m68k:521x",  FALSE, &arch_info_struct[14]),
-    N(bfd_mach_mcf5249, "m68k:5249",  FALSE, &arch_info_struct[15]),
-    N(bfd_mach_mcf547x, "m68k:547x",  FALSE, &arch_info_struct[16]),
-    N(bfd_mach_mcf548x, "m68k:548x",  FALSE, &arch_info_struct[17]),
-    N(bfd_mach_mcfv4e,  "m68k:cfv4e", FALSE, 0),
+    N(bfd_mach_m68060,  "m68k:68060", FALSE, &arch_info_struct[7]),
+    N(bfd_mach_cpu32,   "m68k:cpu32", FALSE, &arch_info_struct[8]),
+
+    /* Various combinations of CF architecture features */
+    N(bfd_mach_mcf_isa_a, "m68k:isa-a",
+      FALSE, &arch_info_struct[9]),
+    N(bfd_mach_mcf_isa_a_div, "m68k:isa-a:div",
+      FALSE, &arch_info_struct[10]),
+    N(bfd_mach_mcf_isa_a_div_mac, "m68k:isa-a:div:mac",
+      FALSE, &arch_info_struct[11]),
+    N(bfd_mach_mcf_isa_a_div_emac, "m68k:isa-a:div:emac",
+      FALSE, &arch_info_struct[12]),
+    N(bfd_mach_mcf_isa_aplus, "m68k:isa-a+",
+      FALSE, &arch_info_struct[13]),
+    N(bfd_mach_mcf_isa_aplus_mac, "m68k:isa-a+:mac",
+      FALSE, &arch_info_struct[14]),
+    N(bfd_mach_mcf_isa_aplus_emac, "m68k:isa-a+:emac",
+      FALSE, &arch_info_struct[15]),
+    N(bfd_mach_mcf_isa_aplus_usp, "m68k:isa-a+:usp",
+      FALSE, &arch_info_struct[16]),
+    N(bfd_mach_mcf_isa_aplus_usp_mac, "m68k:isa-a+:usp:mac",
+      FALSE, &arch_info_struct[17]),
+    N(bfd_mach_mcf_isa_aplus_usp_emac, "m68k:isa-a+:usp:emac",
+      FALSE, &arch_info_struct[18]),
+    N(bfd_mach_mcf_isa_b, "m68k:isa-b",
+      FALSE, &arch_info_struct[19]),
+    N(bfd_mach_mcf_isa_b_mac, "m68k:isa-b:mac",
+      FALSE, &arch_info_struct[20]),
+    N(bfd_mach_mcf_isa_b_emac, "m68k:isa-b:emac",
+      FALSE, &arch_info_struct[21]),
+    N(bfd_mach_mcf_isa_b_usp_float, "m68k:isa-b:usp:float",
+      FALSE, &arch_info_struct[22]),
+    N(bfd_mach_mcf_isa_b_usp_float_mac, "m68k:isa-b:usp:float:mac",
+      FALSE, &arch_info_struct[23]),
+    N(bfd_mach_mcf_isa_b_usp_float_emac, "m68k:isa-b:usp:float:emac",
+      FALSE, &arch_info_struct[24]),
+
+    /* Legacy names for CF architectures */
+    N(bfd_mach_mcf_isa_a, "m68k:5200",  FALSE, &arch_info_struct[25]),
+    N(bfd_mach_mcf_isa_a_div_mac,"m68k:5206e", FALSE, &arch_info_struct[26]),
+    N(bfd_mach_mcf_isa_a_div_mac, "m68k:5307",  FALSE, &arch_info_struct[27]),
+    N(bfd_mach_mcf_isa_b_mac, "m68k:5407",  FALSE, &arch_info_struct[28]),
+    N(bfd_mach_mcf_isa_aplus_usp_emac, "m68k:528x",
+      FALSE, &arch_info_struct[29]),
+    N(bfd_mach_mcf_isa_aplus_usp_emac, "m68k:521x",
+      FALSE, &arch_info_struct[30]),
+    N(bfd_mach_mcf_isa_a_div_emac, "m68k:5249",  FALSE, &arch_info_struct[31]),
+    N(bfd_mach_mcf_isa_b_usp_float_emac, "m68k:547x",
+      FALSE, &arch_info_struct[32]),
+    N(bfd_mach_mcf_isa_b_usp_float_emac, "m68k:548x",
+      FALSE, &arch_info_struct[33]),
+    N(bfd_mach_mcf_isa_b_usp_float_emac,  "m68k:cfv4e", FALSE, 0),
   };
 
 const bfd_arch_info_type bfd_m68k_arch =
   N(0, "m68k", TRUE, &arch_info_struct[0]);
+
+/* Table indexed by bfd_mach_arch number indicating which
+   architectural features are supported.  */
+static const unsigned m68k_arch_features[] = 
+{
+  0,
+  m68000|m68881|m68851,
+  m68000|m68881|m68851,
+  m68010|m68881|m68851,
+  m68020|m68881|m68851,
+  m68030|m68881|m68851,
+  m68040|m68881|m68851,
+  m68060|m68881|m68851,
+  cpu32|m68881,
+  mcfisa_a,
+  mcfisa_a|mcfhwdiv,
+  mcfisa_a|mcfhwdiv|mcfmac,
+  mcfisa_a|mcfhwdiv|mcfemac,
+  mcfisa_a|mcfisa_aa|mcfhwdiv,
+  mcfisa_a|mcfisa_aa|mcfhwdiv|mcfmac,
+  mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac,
+  mcfisa_a|mcfisa_aa|mcfhwdiv|mcfusp,
+  mcfisa_a|mcfisa_aa|mcfhwdiv|mcfusp|mcfmac,
+  mcfisa_a|mcfisa_aa|mcfhwdiv|mcfusp|mcfemac,
+  mcfisa_a|mcfhwdiv|mcfisa_b,
+  mcfisa_a|mcfhwdiv|mcfisa_b|mcfmac,
+  mcfisa_a|mcfhwdiv|mcfisa_b|mcfemac,
+  mcfisa_a|mcfhwdiv|mcfisa_b|mcfusp|cfloat,
+  mcfisa_a|mcfhwdiv|mcfisa_b|mcfusp|cfloat|mcfmac,
+  mcfisa_a|mcfhwdiv|mcfisa_b|mcfusp|cfloat|mcfemac,
+};
+
+/* Return the count of bits set in MASK  */
+static unsigned
+bit_count (unsigned mask)
+{
+  unsigned ix;
+
+  for (ix = 0; mask; ix++)
+    /* Clear the LSB set */
+    mask ^= mask & -mask;
+  return ix;
+}
+
+/* Return the architectural features supported by MACH */
+
+unsigned
+bfd_m68k_mach_to_features (int mach)
+{
+  if ((unsigned)mach
+      >= sizeof (m68k_arch_features) / sizeof (m68k_arch_features[0]))
+    mach = 0;
+  return m68k_arch_features[mach];
+}
+
+/* Return the bfd machine that most closely represents the
+   architectural features.  We find the machine with the smallest
+   number of additional features.  If there is no such machine, we
+   find the one with the smallest number of missing features.  */
+
+int bfd_m68k_features_to_mach (unsigned features)
+{
+  int superset = 0, subset = 0;
+  unsigned extra = 99, missing = 99;
+  unsigned ix;
+
+  for (ix = 0;
+       ix != sizeof (m68k_arch_features) / sizeof (m68k_arch_features[0]);
+       ix++)
+    {
+      unsigned this_extra, this_missing;
+      
+      if (m68k_arch_features[ix] == features)
+	return ix;
+      this_extra = bit_count (m68k_arch_features[ix] & ~features);
+      if (this_extra < extra)
+	{
+	  extra = this_extra;
+	  superset = ix;
+	}
+      
+      this_missing = bit_count (features & ~m68k_arch_features[ix]);
+      if (this_missing < missing)
+	{
+	  missing = this_missing;
+	  superset = ix;
+	}
+    }
+  return superset ? superset : subset;
+}
diff --git a/bfd/elf32-m68k.c b/bfd/elf32-m68k.c
index fec2bbb460..7b3a1e91ba 100644
--- a/bfd/elf32-m68k.c
+++ b/bfd/elf32-m68k.c
@@ -1,6 +1,6 @@
 /* Motorola 68k series support for 32-bit ELF
    Copyright 1993, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
-   2004, 2005 Free Software Foundation, Inc.
+   2004, 2005, 2006 Free Software Foundation, Inc.
 
    This file is part of BFD, the Binary File Descriptor library.
 
@@ -24,6 +24,7 @@
 #include "libbfd.h"
 #include "elf-bfd.h"
 #include "elf/m68k.h"
+#include "opcode/m68k.h"
 
 static reloc_howto_type *reloc_type_lookup
   PARAMS ((bfd *, bfd_reloc_code_real_type));
@@ -220,7 +221,7 @@ static const bfd_byte elf_m68k_plt_entry[PLT_ENTRY_SIZE] =
 
 #define CFV4E_PLT_ENTRY_SIZE 24 
 
-#define CFV4E_FLAG(abfd)  (elf_elfheader (abfd)->e_flags & EF_CFV4E)
+#define CFV4E_FLAG(abfd)  (elf_elfheader (abfd)->e_flags & EF_M68K_CFV4E)
 
 static const bfd_byte elf_cfv4e_plt0_entry[CFV4E_PLT_ENTRY_SIZE] =
 {
@@ -248,7 +249,7 @@ static const bfd_byte elf_cfv4e_plt_entry[CFV4E_PLT_ENTRY_SIZE] =
   0, 0, 0, 0              /* Replaced with offset to start of .plt.  */
 };
 
-#define CPU32_FLAG(abfd)  (elf_elfheader (abfd)->e_flags & EF_CPU32)
+#define CPU32_FLAG(abfd)  (elf_elfheader (abfd)->e_flags & EF_M68K_CPU32)
 
 #define PLT_CPU32_ENTRY_SIZE 24
 /* Procedure linkage table entries for the cpu32 */
@@ -372,6 +373,56 @@ elf_m68k_link_hash_table_create (abfd)
   return &ret->root.root;
 }
 
+/* Set the right machine number.  */
+
+static bfd_boolean
+elf32_m68k_object_p (bfd *abfd)
+{
+  unsigned int mach = 0;
+  unsigned features = 0;
+  flagword eflags = elf_elfheader (abfd)->e_flags;
+
+  if (eflags & EF_M68K_M68000)
+    features |= m68000;
+  else if (eflags & EF_M68K_CPU32)
+    features |= cpu32;
+  else if (eflags & EF_M68K_ISA_MASK)
+    {
+      switch (eflags & EF_M68K_ISA_MASK)
+	{
+	case EF_M68K_ISA_B:
+	  features |= mcfisa_b;
+	  /* FALLTHROUGH */
+	case EF_M68K_ISA_A_PLUS:
+	  features |= mcfisa_aa;
+	  /* FALLTHROUGH */
+	case EF_M68K_ISA_A:
+	  features |= mcfisa_a;
+	  break;
+	}
+      if (eflags & EF_M68K_HW_DIV)
+	features |= mcfhwdiv;
+      switch (eflags & EF_M68K_MAC_MASK)
+	{
+	case EF_M68K_MAC:
+	  features |= mcfmac;
+	  break;
+	case EF_M68K_EMAC:
+	  features |= mcfemac;
+	  break;
+	}
+      if (eflags & EF_M68K_USP)
+	features |= mcfusp;
+      if (eflags & EF_M68K_FLOAT)
+	features |= cfloat;
+    }
+
+  mach = bfd_m68k_features_to_mach (features);
+  bfd_default_set_arch_mach (abfd, bfd_arch_m68k, mach);
+
+  return TRUE;
+}
+
 /* Keep m68k-specific flags in the ELF header.  */
 static bfd_boolean
 elf32_m68k_set_private_flags (abfd, flags)
@@ -392,19 +443,86 @@ elf32_m68k_merge_private_bfd_data (ibfd, obfd)
 {
   flagword out_flags;
   flagword in_flags;
-
+  unsigned in_mach, out_mach;
+  
   if (   bfd_get_flavour (ibfd) != bfd_target_elf_flavour
       || bfd_get_flavour (obfd) != bfd_target_elf_flavour)
-    return TRUE;
-
+    return FALSE;
+
+  in_mach = bfd_get_mach (ibfd);
+  out_mach = bfd_get_mach (obfd);
+  if (!out_mach || !in_mach)
+    /* One is unknown, copy the input machine.  */
+    out_mach = in_mach;
+  else if (in_mach != out_mach)
+    {
+      if (in_mach <= bfd_mach_m68060 && out_mach <= bfd_mach_m68060)
+	{
+	  /* Merge m68k machine. */
+	  if (in_mach > out_mach)
+	    out_mach = in_mach;
+	}
+      else if (in_mach >= bfd_mach_mcf_isa_a && out_mach >= bfd_mach_mcf_isa_a)
+	/* Merge cf machine.  */
+	out_mach = bfd_m68k_features_to_mach
+	  (bfd_m68k_mach_to_features (in_mach)
+	   | bfd_m68k_mach_to_features (out_mach));
+      else
+	/* They are incompatible.  */
+	return FALSE;
+    }
+  bfd_set_arch_mach (obfd, bfd_arch_m68k, out_mach);
+  
   in_flags  = elf_elfheader (ibfd)->e_flags;
   out_flags = elf_elfheader (obfd)->e_flags;
 
   if (!elf_flags_init (obfd))
     {
       elf_flags_init (obfd) = TRUE;
-      elf_elfheader (obfd)->e_flags = in_flags;
+      out_flags = in_flags;
+    }
+  else
+    {
+      /* Copy legacy flags.  */
+      out_flags |= in_flags & (EF_M68K_CPU32 | EF_M68K_M68000 | EF_M68K_CFV4E);
+
+      if (((in_flags | out_flags) & EF_M68K_ISA_MASK)
+	  && ((in_flags | out_flags) & (EF_M68K_CPU32 | EF_M68K_M68000)))
+	/* Mixing m68k and cf is not allowed */
+	return FALSE;
+      
+      if (in_flags & EF_M68K_ISA_MASK)
+	{
+	  if (out_flags & EF_M68K_ISA_MASK)
+	    {
+	      /* Merge cf specific flags */
+	      if ((in_flags & EF_M68K_ISA_MASK)
+		  > (out_flags & EF_M68K_ISA_MASK))
+		{
+		  out_flags ^= out_flags & EF_M68K_ISA_MASK;
+		  out_flags |= in_flags & EF_M68K_ISA_MASK;
+		}
+	      out_flags |= in_flags
+		& (EF_M68K_HW_DIV | EF_M68K_USP | EF_M68K_FLOAT);
+	      if (in_flags & EF_M68K_MAC_MASK)
+		{
+		  if (!(out_flags & EF_M68K_MAC_MASK))
+		    out_flags |= in_flags & EF_M68K_MAC_MASK;
+		  else if ((out_flags & EF_M68K_MAC_MASK)
+			   != (in_flags & EF_M68K_MAC_MASK))
+		    /* Cannot mix MACs */
+		    return FALSE;
+		}
+	    }
+	  else
+	    {
+	      /* Copy the coldfire bits.  */
+	      out_flags &= ~EF_M68K_CF_MASK;
+	      out_flags |= in_flags & EF_M68K_CF_MASK;
+	    }
+	}
     }
+  elf_elfheader (obfd)->e_flags = out_flags;
 
   return TRUE;
 }
@@ -416,6 +534,7 @@ elf32_m68k_print_private_bfd_data (abfd, ptr)
      PTR ptr;
 {
   FILE *file = (FILE *) ptr;
+  flagword eflags = elf_elfheader (abfd)->e_flags;
 
   BFD_ASSERT (abfd != NULL && ptr != NULL);
 
@@ -427,12 +546,55 @@ elf32_m68k_print_private_bfd_data (abfd, ptr)
   /* xgettext:c-format */
   fprintf (file, _("private flags = %lx:"), elf_elfheader (abfd)->e_flags);
 
-  if (elf_elfheader (abfd)->e_flags & EF_CPU32)
-    fprintf (file, _(" [cpu32]"));
+  if (eflags & EF_M68K_CPU32)
+    fprintf (file, " [cpu32]");
+
+  if (eflags & EF_M68K_M68000)
+    fprintf (file, " [m68000]");
 
-  if (elf_elfheader (abfd)->e_flags & EF_M68000)
-    fprintf (file, _(" [m68000]"));
+  if (eflags & EF_M68K_CFV4E)
+    fprintf (file, " [cfv4e]");
 
+  if (eflags & EF_M68K_ISA_MASK)
+    {
+      char const *isa = _("unknown");
+      char const *mac = _("unknown");
+      
+      switch (eflags & EF_M68K_ISA_MASK)
+	{
+	case EF_M68K_ISA_A:
+	  isa = "A";
+	  break;
+	case EF_M68K_ISA_A_PLUS:
+	  isa = "A+";
+	  break;
+	case EF_M68K_ISA_B:
+	  isa = "B";
+	  break;
+	}
+      fprintf (file, " [isa %s]", isa);
+      if (eflags & EF_M68K_HW_DIV)
+	fprintf (file, " [hwdiv]");
+      switch (eflags & EF_M68K_MAC_MASK)
+	{
+	case 0:
+	  mac = NULL;
+	  break;
+	case EF_M68K_MAC:
+	  mac = "mac";
+	  break;
+	case EF_M68K_EMAC:
+	  mac = "emac";
+	  break;
+	}
+      if (mac)
+	fprintf (file, " [%s]", mac);
+      if (eflags & EF_M68K_USP)
+	fprintf (file, " [usp");
+      if (eflags & EF_M68K_FLOAT)
+	fprintf (file, " [float]");
+    }
+  
   fputc ('\n', file);
 
   return TRUE;
@@ -2313,6 +2475,7 @@ elf_m68k_plt_sym_val (bfd_vma i, const asection *plt,
                                         elf32_m68k_print_private_bfd_data
 #define elf_backend_reloc_type_class	elf32_m68k_reloc_type_class
 #define elf_backend_plt_sym_val		elf_m68k_plt_sym_val
+#define elf_backend_object_p		elf32_m68k_object_p
 
 #define elf_backend_can_gc_sections 1
 #define elf_backend_can_refcount 1
diff --git a/bfd/ieee.c b/bfd/ieee.c
index 53e16e1c8e..248551f04b 100644
--- a/bfd/ieee.c
+++ b/bfd/ieee.c
@@ -1,6 +1,6 @@
 /* BFD back-end for ieee-695 objects.
    Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
-   2000, 2001, 2002, 2003, 2004, 2005
+   2000, 2001, 2002, 2003, 2004, 2005, 2006
    Free Software Foundation, Inc.
 
    Written by Steve Chamberlain of Cygnus Support.
@@ -3466,11 +3466,22 @@ ieee_write_processor (bfd *abfd)
 	  case bfd_mach_m68040: id = "68040"; break;
 	  case bfd_mach_m68060: id = "68060"; break;
 	  case bfd_mach_cpu32:  id = "cpu32"; break;
-	  case bfd_mach_mcf5200:id = "5200";  break;
-	  case bfd_mach_mcf5206e:id = "5206e"; break;
-	  case bfd_mach_mcf5307:id = "5307";  break;
-	  case bfd_mach_mcf5407:id = "5407";  break;
-	  case bfd_mach_mcf528x:id = "5282";  break;
+	  case bfd_mach_mcf_isa_a: id = "isa-a"; break;
+	  case bfd_mach_mcf_isa_a_div: id = "isa-a:div"; break;
+	  case bfd_mach_mcf_isa_a_div_mac: id = "isa-a:div:mac"; break;
+	  case bfd_mach_mcf_isa_a_div_emac: id = "isa-a:div:emac"; break;
+	  case bfd_mach_mcf_isa_aplus: id = "isa-a+"; break;
+	  case bfd_mach_mcf_isa_aplus_mac: id = "isa-a+:mac"; break;
+	  case bfd_mach_mcf_isa_aplus_emac: id = "isa-a+:mac"; break;
+	  case bfd_mach_mcf_isa_aplus_usp: id = "isa-a+:usp"; break;
+	  case bfd_mach_mcf_isa_aplus_usp_mac: id = "isa-a+:usp:mac"; break;
+	  case bfd_mach_mcf_isa_aplus_usp_emac: id = "isa-a+:usp:emac"; break;
+	  case bfd_mach_mcf_isa_b: id = "isa-b"; break;
+	  case bfd_mach_mcf_isa_b_mac: id = "isa-b:mac"; break;
+	  case bfd_mach_mcf_isa_b_emac: id = "isa-b:emac"; break;
+	  case bfd_mach_mcf_isa_b_usp_float: id = "isa-b:usp:float"; break;
+	  case bfd_mach_mcf_isa_b_usp_float_mac: id = "isa-b:usp:float:mac"; break;
+	  case bfd_mach_mcf_isa_b_usp_float_emac: id = "isa-b:usp:float:emac"; break;
 	  }
 
 	if (! ieee_write_id (abfd, id))
diff --git a/bfd/libbfd.h b/bfd/libbfd.h
index 984ade3e7d..2150ceeee9 100644
--- a/bfd/libbfd.h
+++ b/bfd/libbfd.h
@@ -7,7 +7,7 @@
    (This include file is not for users of the library.)
 
    Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
-   1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006
+   1999, 2000, 2001, 2002, 2003, 2004, 2005
    Free Software Foundation, Inc.
 
    Written by Cygnus Support.