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authorStephane Carrez <stcarrez@nerim.fr>2002-12-01 12:18:29 +0000
committerStephane Carrez <stcarrez@nerim.fr>2002-12-01 12:18:29 +0000
commitbc7c6a9029e2590f0715a88193da72c5e5451e1d (patch)
tree755bd5dfe279ffc55fba015d3ff1b356cd74a0d2 /bfd/elf32-m68hc12.c
parent542751c41f6ae5d8ae8a3b4c5107d6f19ddad5c3 (diff)
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* bfd-in2.h (bfd_mach_m6812): Rebuild.
* archures.c (bfd_mach_m6812_default, bfd_mach_m6812, bfd_mach_m6812s): Declare. * elf32-m68hc12.c (m68hc12_elf_set_mach_from_flags): New function. (_bfd_m68hc12_elf_set_private_flags): Call it. (_bfd_m68hc12_elf_print_private_bfd_data): Report processor version. (_bfd_m68hc12_elf_merge_private_bfd_data): Merge the flags and report microcontroller incompatibilities (HC12 vs HCS12). (elf_backend_object_p): Update.
Diffstat (limited to 'bfd/elf32-m68hc12.c')
-rw-r--r--bfd/elf32-m68hc12.c57
1 files changed, 48 insertions, 9 deletions
diff --git a/bfd/elf32-m68hc12.c b/bfd/elf32-m68hc12.c
index 3dba14c..97d7d3a 100644
--- a/bfd/elf32-m68hc12.c
+++ b/bfd/elf32-m68hc12.c
@@ -633,6 +633,30 @@ elf32_m68hc11_gc_sweep_hook (abfd, info, sec, relocs)
}
+static bfd_boolean
+m68hc12_elf_set_mach_from_flags (abfd)
+ bfd *abfd;
+{
+ flagword flags = elf_elfheader (abfd)->e_flags;
+
+ switch (flags & EF_M68HC11_MACH_MASK)
+ {
+ case EF_M68HC12_MACH:
+ bfd_default_set_arch_mach (abfd, bfd_arch_m68hc12, bfd_mach_m6812);
+ break;
+ case EF_M68HCS12_MACH:
+ bfd_default_set_arch_mach (abfd, bfd_arch_m68hc12, bfd_mach_m6812s);
+ break;
+ case EF_M68HC11_GENERIC:
+ bfd_default_set_arch_mach (abfd, bfd_arch_m68hc12,
+ bfd_mach_m6812_default);
+ break;
+ default:
+ return FALSE;
+ }
+ return TRUE;
+}
+
/* Set and control ELF flags in ELF header. */
bfd_boolean
@@ -645,7 +669,7 @@ _bfd_m68hc12_elf_set_private_flags (abfd, flags)
elf_elfheader (abfd)->e_flags = flags;
elf_flags_init (abfd) = TRUE;
- return TRUE;
+ return m68hc12_elf_set_mach_from_flags (abfd);
}
/* Merge backend specific data from an object file to the output
@@ -669,7 +693,6 @@ _bfd_m68hc12_elf_merge_private_bfd_data (ibfd, obfd)
return TRUE;
new_flags = elf_elfheader (ibfd)->e_flags;
- elf_elfheader (obfd)->e_flags |= new_flags & EF_M68HC11_ABI;
old_flags = elf_elfheader (obfd)->e_flags;
if (! elf_flags_init (obfd))
@@ -707,10 +730,24 @@ _bfd_m68hc12_elf_merge_private_bfd_data (ibfd, obfd)
bfd_archive_filename (ibfd));
ok = FALSE;
}
- new_flags &= ~EF_M68HC11_ABI;
- old_flags &= ~EF_M68HC11_ABI;
+
+ /* Processor compatibility. */
+ if (!EF_M68HC11_CAN_MERGE_MACH (new_flags, old_flags))
+ {
+ (*_bfd_error_handler)
+ (_("%s: linking files compiled for HCS12 with "
+ "others compiled for HC12"),
+ bfd_archive_filename (ibfd));
+ ok = FALSE;
+ }
+ new_flags = ((new_flags & ~EF_M68HC11_MACH_MASK)
+ | (EF_M68HC11_MERGE_MACH (new_flags, old_flags)));
+
+ elf_elfheader (obfd)->e_flags = new_flags;
/* Warn about any other mismatches */
+ new_flags &= ~(EF_M68HC11_ABI | EF_M68HC11_MACH_MASK);
+ old_flags &= ~(EF_M68HC11_ABI | EF_M68HC11_MACH_MASK);
if (new_flags != old_flags)
{
(*_bfd_error_handler)
@@ -750,17 +787,19 @@ _bfd_m68hc12_elf_print_private_bfd_data (abfd, ptr)
fprintf (file, _("[abi=16-bit int,"));
if (elf_elfheader (abfd)->e_flags & E_M68HC11_F64)
- fprintf (file, _(" 64-bit double]"));
+ fprintf (file, _(" 64-bit double,"));
else
- fprintf (file, _(" 32-bit double]"));
+ fprintf (file, _(" 32-bit double,"));
+ if (elf_elfheader (abfd)->e_flags & EF_M68HCS12_MACH)
+ fprintf (file, _(" cpu=HCS12]"));
+ else
+ fprintf (file, _(" cpu=HC12]"));
fputc ('\n', file);
return TRUE;
}
-/* Below is the only difference between elf32-m68hc12.c and elf32-m68hc11.c.
- The Motorola spec says to use a different Elf machine code. */
#define ELF_ARCH bfd_arch_m68hc12
#define ELF_MACHINE_CODE EM_68HC12
#define ELF_MAXPAGESIZE 0x1000
@@ -772,7 +811,7 @@ _bfd_m68hc12_elf_print_private_bfd_data (abfd, ptr)
#define elf_info_to_howto_rel m68hc11_info_to_howto_rel
#define elf_backend_gc_mark_hook elf32_m68hc11_gc_mark_hook
#define elf_backend_gc_sweep_hook elf32_m68hc11_gc_sweep_hook
-#define elf_backend_object_p 0
+#define elf_backend_object_p m68hc12_elf_set_mach_from_flags
#define elf_backend_final_write_processing 0
/* Disabled as this backend uses the generic linker. */
#define elf_backend_can_gc_sections 0