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Fri Oct 24 11:15:58 1997 Jakub Jelinek <jj@sunsite.mff.cuni.cz>

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* elf64-sparc.c (sparc64_elf_merge_private_bfd_data):
        New function. Avoid mixing US1 and HAL R1 code.
        Set resulting memory ordering to the strongest one used.
        (sparc64_elf_object_p): Set bfd_mach correctly.
This commit is contained in:
Richard Henderson 1997-10-24 18:14:52 +00:00
parent 6b29430fa3
commit ccbab31db1
2 changed files with 92 additions and 1 deletions
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7
bfd/ChangeLog
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@ -1,3 +1,10 @@
Fri Oct 24 11:15:58 1997 Jakub Jelinek <jj@sunsite.mff.cuni.cz>
* elf64-sparc.c (sparc64_elf_merge_private_bfd_data):
New function. Avoid mixing US1 and HAL R1 code.
Set resulting memory ordering to the strongest one used.
(sparc64_elf_object_p): Set bfd_mach correctly.
Thu Oct 23 14:09:33 1997 Richard Henderson <rth@cygnus.com>
* elf64-sparc.c (sparc64_elf_howto_table): Add UA64 & UA16.

86
bfd/elf64-sparc.c
View File

@ -47,6 +47,9 @@ static boolean sparc64_elf_size_dynamic_sections
static boolean sparc64_elf_adjust_dynindx
PARAMS((struct elf_link_hash_entry *, PTR));
static boolean sparc64_elf_merge_private_bfd_data
PARAMS ((bfd *, bfd *));
static boolean sparc64_elf_relocate_section
PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
Elf_Internal_Rela *, Elf_Internal_Sym *, asection **));
@ -2287,6 +2290,80 @@ sparc64_elf_finish_dynamic_sections (output_bfd, info)
return true;
}
/* Functions for dealing with the e_flags field. */
/* Merge backend specific data from an object file to the output
object file when linking. */
static boolean
sparc64_elf_merge_private_bfd_data (ibfd, obfd)
bfd *ibfd;
bfd *obfd;
{
boolean error;
flagword new_flags, old_flags;
int new_mm, old_mm;
if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour
|| bfd_get_flavour (obfd) != bfd_target_elf_flavour)
return true;
new_flags = elf_elfheader (ibfd)->e_flags;
old_flags = elf_elfheader (obfd)->e_flags;
if (!elf_flags_init (obfd)) /* First call, no flags set */
{
elf_flags_init (obfd) = true;
elf_elfheader (obfd)->e_flags = new_flags;
}
else if (new_flags == old_flags) /* Compatible flags are ok */
;
else /* Incompatible flags */
{
error = false;
old_flags |= (new_flags & (EF_SPARC_SUN_US1|EF_SPARC_HAL_R1));
new_flags |= (old_flags & (EF_SPARC_SUN_US1|EF_SPARC_HAL_R1));
if ((old_flags & (EF_SPARC_SUN_US1|EF_SPARC_HAL_R1)) ==
(EF_SPARC_SUN_US1|EF_SPARC_HAL_R1))
{
error = true;
(*_bfd_error_handler)
("%s: linking UltraSPARC specific with HAL specific code",
bfd_get_filename (ibfd));
}
/* Choose the most restrictive memory ordering */
old_mm = (old_flags & EF_SPARCV9_MM);
new_mm = (new_flags & EF_SPARCV9_MM);
old_flags &= ~EF_SPARCV9_MM;
new_flags &= ~EF_SPARCV9_MM;
if (new_mm < old_mm) old_mm = new_mm;
old_flags |= old_mm;
new_flags |= old_mm;
/* Warn about any other mismatches */
if (new_flags != old_flags)
{
error = true;
(*_bfd_error_handler)
("%s: uses different e_flags (0x%lx) fields than previous modules (0x%lx)",
bfd_get_filename (ibfd), (long)new_flags, (long)old_flags);
}
elf_elfheader (obfd)->e_flags = old_flags;
if (error)
{
bfd_set_error (bfd_error_bad_value);
return false;
}
}
return true;
}
/* Set the right machine number for a SPARC64 ELF file. */
@ -2295,7 +2372,11 @@ static boolean
sparc64_elf_object_p (abfd)
bfd *abfd;
{
return bfd_default_set_arch_mach (abfd, bfd_arch_sparc, bfd_mach_sparc_v9);
unsigned long mach = bfd_mach_sparc_v9;
if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US1)
mach = bfd_mach_sparc_v9a;
return bfd_default_set_arch_mach (abfd, bfd_arch_sparc, mach);
}
#define TARGET_BIG_SYM bfd_elf64_sparc_vec
@ -2324,6 +2405,9 @@ sparc64_elf_object_p (abfd)
#define elf_backend_finish_dynamic_sections \
sparc64_elf_finish_dynamic_sections
#define bfd_elf64_bfd_merge_private_bfd_data \
sparc64_elf_merge_private_bfd_data
#define elf_backend_object_p \
sparc64_elf_object_p