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* elf-bfd.h (struct elf_backend_data): Add struct elf_backend_data

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param to elf_backend_copy_indirect_symbol.
	(_bfd_elf_link_hash_copy_indirect): Likewise.
	* elflink.h (elf_add_default_symbol, elf_fix_symbol_flags): Adjust
	calls to copy_indirect_symbol.
	* elf32-hppa.c (elf32_hppa_copy_indirect_symbol): Likewise.
	* elf32-i386.c (elf_i386_copy_indirect_symbol): Likewise.
	* elf32-s390.c (elf_s390_copy_indirect_symbol): Likewise.
	* elf64-ppc.c (ppc64_elf_copy_indirect_symbol): Likewise.
	* elf64-s390.c (elf_s390_copy_indirect_symbol): Likewise.
	* elf64-x86-64.c (elf64_x86_64_copy_indirect_symbol): Likewise.
	* elfxx-ia64.c (elfNN_ia64_hash_copy_indirect): Likewise.
	* elfxx-mips.c (_bfd_mips_elf_copy_indirect_symbol): Likewise.
	* elfxx-mips.h (_bfd_mips_elf_copy_indirect_symbol): Likewise.
	* elf.c (_bfd_elf_link_hash_copy_indirect): Likewise.  Properly
	test refcounts for "used" values.
This commit is contained in:
Alan Modra 2002-08-22 01:27:20 +00:00
parent f43d77f5e1
commit b48fa14c86
13 changed files with 72 additions and 33 deletions
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19
bfd/ChangeLog
View file

@ -1,3 +1,22 @@
2002-08-22 Alan Modra <amodra@bigpond.net.au>
* elf-bfd.h (struct elf_backend_data): Add struct elf_backend_data
param to elf_backend_copy_indirect_symbol.
(_bfd_elf_link_hash_copy_indirect): Likewise.
* elflink.h (elf_add_default_symbol, elf_fix_symbol_flags): Adjust
calls to copy_indirect_symbol.
* elf32-hppa.c (elf32_hppa_copy_indirect_symbol): Likewise.
* elf32-i386.c (elf_i386_copy_indirect_symbol): Likewise.
* elf32-s390.c (elf_s390_copy_indirect_symbol): Likewise.
* elf64-ppc.c (ppc64_elf_copy_indirect_symbol): Likewise.
* elf64-s390.c (elf_s390_copy_indirect_symbol): Likewise.
* elf64-x86-64.c (elf64_x86_64_copy_indirect_symbol): Likewise.
* elfxx-ia64.c (elfNN_ia64_hash_copy_indirect): Likewise.
* elfxx-mips.c (_bfd_mips_elf_copy_indirect_symbol): Likewise.
* elfxx-mips.h (_bfd_mips_elf_copy_indirect_symbol): Likewise.
* elf.c (_bfd_elf_link_hash_copy_indirect): Likewise. Properly
test refcounts for "used" values.
2002-08-21 John David Anglin <dave@hiauly1.hia.nrc.ca>
* elf-eh-frame.c (_bfd_elf_discard_section_eh_frame): Add PARAMS to

6
bfd/elf-bfd.h
View file

@ -717,7 +717,8 @@ struct elf_backend_data
newly created and plt/got refcounts and dynamic indices should not
be copied. */
void (*elf_backend_copy_indirect_symbol)
PARAMS ((struct elf_link_hash_entry *, struct elf_link_hash_entry *));
PARAMS ((struct elf_backend_data *, struct elf_link_hash_entry *,
struct elf_link_hash_entry *));
/* Modify any information related to dynamic linking such that the
symbol is not exported. */
@ -1271,7 +1272,8 @@ extern struct bfd_hash_entry *_bfd_elf_link_hash_newfunc
extern struct bfd_link_hash_table *_bfd_elf_link_hash_table_create
PARAMS ((bfd *));
extern void _bfd_elf_link_hash_copy_indirect
PARAMS ((struct elf_link_hash_entry *, struct elf_link_hash_entry *));
PARAMS ((struct elf_backend_data *, struct elf_link_hash_entry *,
struct elf_link_hash_entry *));
extern void _bfd_elf_link_hash_hide_symbol
PARAMS ((struct bfd_link_info *, struct elf_link_hash_entry *, boolean));
extern boolean _bfd_elf_link_hash_table_init

12
bfd/elf.c
View file

@ -1418,10 +1418,12 @@ _bfd_elf_link_hash_newfunc (entry, table, string)
old indirect symbol. Also used for copying flags to a weakdef. */
void
_bfd_elf_link_hash_copy_indirect (dir, ind)
_bfd_elf_link_hash_copy_indirect (bed, dir, ind)
struct elf_backend_data *bed;
struct elf_link_hash_entry *dir, *ind;
{
bfd_signed_vma tmp;
bfd_signed_vma lowest_valid = bed->can_refcount;
/* Copy down any references that we may have already seen to the
symbol which just became indirect. */
@ -1439,22 +1441,22 @@ _bfd_elf_link_hash_copy_indirect (dir, ind)
/* Copy over the global and procedure linkage table refcount entries.
These may have been already set up by a check_relocs routine. */
tmp = dir->got.refcount;
if (tmp <= 0)
if (tmp < lowest_valid)
{
dir->got.refcount = ind->got.refcount;
ind->got.refcount = tmp;
}
else
BFD_ASSERT (ind->got.refcount <= 0);
BFD_ASSERT (ind->got.refcount < lowest_valid);
tmp = dir->plt.refcount;
if (tmp <= 0)
if (tmp < lowest_valid)
{
dir->plt.refcount = ind->plt.refcount;
ind->plt.refcount = tmp;
}
else
BFD_ASSERT (ind->plt.refcount <= 0);
BFD_ASSERT (ind->plt.refcount < lowest_valid);
if (dir->dynindx == -1)
{

8
bfd/elf32-hppa.c
View file

@ -327,7 +327,8 @@ static boolean elf32_hppa_create_dynamic_sections
PARAMS ((bfd *, struct bfd_link_info *));
static void elf32_hppa_copy_indirect_symbol
PARAMS ((struct elf_link_hash_entry *, struct elf_link_hash_entry *));
PARAMS ((struct elf_backend_data *, struct elf_link_hash_entry *,
struct elf_link_hash_entry *));
static boolean elf32_hppa_check_relocs
PARAMS ((bfd *, struct bfd_link_info *,
@ -1145,7 +1146,8 @@ elf32_hppa_create_dynamic_sections (abfd, info)
/* Copy the extra info we tack onto an elf_link_hash_entry. */
static void
elf32_hppa_copy_indirect_symbol (dir, ind)
elf32_hppa_copy_indirect_symbol (bed, dir, ind)
struct elf_backend_data *bed;
struct elf_link_hash_entry *dir, *ind;
{
struct elf32_hppa_link_hash_entry *edir, *eind;
@ -1189,7 +1191,7 @@ elf32_hppa_copy_indirect_symbol (dir, ind)
eind->dyn_relocs = NULL;
}
_bfd_elf_link_hash_copy_indirect (dir, ind);
_bfd_elf_link_hash_copy_indirect (bed, dir, ind);
}
/* Look through the relocs for a section during the first phase, and

8
bfd/elf32-i386.c
View file

@ -45,7 +45,8 @@ static boolean create_got_section
static boolean elf_i386_create_dynamic_sections
PARAMS((bfd *, struct bfd_link_info *));
static void elf_i386_copy_indirect_symbol
PARAMS ((struct elf_link_hash_entry *, struct elf_link_hash_entry *));
PARAMS ((struct elf_backend_data *, struct elf_link_hash_entry *,
struct elf_link_hash_entry *));
static int elf_i386_tls_transition
PARAMS ((struct bfd_link_info *, int, int));
@ -767,7 +768,8 @@ elf_i386_create_dynamic_sections (dynobj, info)
/* Copy the extra info we tack onto an elf_link_hash_entry. */
static void
elf_i386_copy_indirect_symbol (dir, ind)
elf_i386_copy_indirect_symbol (bed, dir, ind)
struct elf_backend_data *bed;
struct elf_link_hash_entry *dir, *ind;
{
struct elf_i386_link_hash_entry *edir, *eind;
@ -815,7 +817,7 @@ elf_i386_copy_indirect_symbol (dir, ind)
edir->tls_type = eind->tls_type;
eind->tls_type = GOT_UNKNOWN;
}
_bfd_elf_link_hash_copy_indirect (dir, ind);
_bfd_elf_link_hash_copy_indirect (bed, dir, ind);
}
static int

8
bfd/elf32-s390.c
View file

@ -40,7 +40,8 @@ static boolean create_got_section
static boolean elf_s390_create_dynamic_sections
PARAMS((bfd *, struct bfd_link_info *));
static void elf_s390_copy_indirect_symbol
PARAMS ((struct elf_link_hash_entry *, struct elf_link_hash_entry *));
PARAMS ((struct elf_backend_data *, struct elf_link_hash_entry *,
struct elf_link_hash_entry *));
static boolean elf_s390_check_relocs
PARAMS ((bfd *, struct bfd_link_info *, asection *,
const Elf_Internal_Rela *));
@ -562,7 +563,8 @@ elf_s390_create_dynamic_sections (dynobj, info)
/* Copy the extra info we tack onto an elf_link_hash_entry. */
static void
elf_s390_copy_indirect_symbol (dir, ind)
elf_s390_copy_indirect_symbol (bed, dir, ind)
struct elf_backend_data *bed;
struct elf_link_hash_entry *dir, *ind;
{
struct elf_s390_link_hash_entry *edir, *eind;
@ -604,7 +606,7 @@ elf_s390_copy_indirect_symbol (dir, ind)
eind->dyn_relocs = NULL;
}
_bfd_elf_link_hash_copy_indirect (dir, ind);
_bfd_elf_link_hash_copy_indirect (bed, dir, ind);
}
/* Look through the relocs for a section during the first phase, and

8
bfd/elf64-ppc.c
View file

@ -1952,7 +1952,8 @@ static boolean create_got_section
static boolean ppc64_elf_create_dynamic_sections
PARAMS ((bfd *, struct bfd_link_info *));
static void ppc64_elf_copy_indirect_symbol
PARAMS ((struct elf_link_hash_entry *, struct elf_link_hash_entry *));
PARAMS ((struct elf_backend_data *, struct elf_link_hash_entry *,
struct elf_link_hash_entry *));
static boolean ppc64_elf_check_relocs
PARAMS ((bfd *, struct bfd_link_info *, asection *,
const Elf_Internal_Rela *));
@ -2440,7 +2441,8 @@ ppc64_elf_create_dynamic_sections (dynobj, info)
/* Copy the extra info we tack onto an elf_link_hash_entry. */
static void
ppc64_elf_copy_indirect_symbol (dir, ind)
ppc64_elf_copy_indirect_symbol (bed, dir, ind)
struct elf_backend_data *bed;
struct elf_link_hash_entry *dir, *ind;
{
struct ppc_link_hash_entry *edir, *eind;
@ -2486,7 +2488,7 @@ ppc64_elf_copy_indirect_symbol (dir, ind)
edir->is_func_descriptor |= eind->is_func_descriptor;
edir->is_entry |= eind->is_entry;
_bfd_elf_link_hash_copy_indirect (dir, ind);
_bfd_elf_link_hash_copy_indirect (bed, dir, ind);
}
/* Set a flag, used by ppc64_elf_gc_mark_hook, on the entry symbol and

8
bfd/elf64-s390.c
View file

@ -40,7 +40,8 @@ static boolean create_got_section
static boolean elf_s390_create_dynamic_sections
PARAMS((bfd *, struct bfd_link_info *));
static void elf_s390_copy_indirect_symbol
PARAMS ((struct elf_link_hash_entry *, struct elf_link_hash_entry *));
PARAMS ((struct elf_backend_data *, struct elf_link_hash_entry *,
struct elf_link_hash_entry *));
static boolean elf_s390_check_relocs
PARAMS ((bfd *, struct bfd_link_info *, asection *,
const Elf_Internal_Rela *));
@ -508,7 +509,8 @@ elf_s390_create_dynamic_sections (dynobj, info)
/* Copy the extra info we tack onto an elf_link_hash_entry. */
static void
elf_s390_copy_indirect_symbol (dir, ind)
elf_s390_copy_indirect_symbol (bed, dir, ind)
struct elf_backend_data *bed;
struct elf_link_hash_entry *dir, *ind;
{
struct elf_s390_link_hash_entry *edir, *eind;
@ -550,7 +552,7 @@ elf_s390_copy_indirect_symbol (dir, ind)
eind->dyn_relocs = NULL;
}
_bfd_elf_link_hash_copy_indirect (dir, ind);
_bfd_elf_link_hash_copy_indirect (bed, dir, ind);
}
/* Look through the relocs for a section during the first phase, and

8
bfd/elf64-x86-64.c
View file

@ -134,7 +134,8 @@ static boolean create_got_section
static boolean elf64_x86_64_create_dynamic_sections
PARAMS((bfd *, struct bfd_link_info *));
static void elf64_x86_64_copy_indirect_symbol
PARAMS ((struct elf_link_hash_entry *, struct elf_link_hash_entry *));
PARAMS ((struct elf_backend_data *, struct elf_link_hash_entry *,
struct elf_link_hash_entry *));
static boolean elf64_x86_64_check_relocs
PARAMS ((bfd *, struct bfd_link_info *, asection *sec,
const Elf_Internal_Rela *));
@ -494,7 +495,8 @@ elf64_x86_64_create_dynamic_sections (dynobj, info)
/* Copy the extra info we tack onto an elf_link_hash_entry. */
static void
elf64_x86_64_copy_indirect_symbol (dir, ind)
elf64_x86_64_copy_indirect_symbol (bed, dir, ind)
struct elf_backend_data *bed;
struct elf_link_hash_entry *dir, *ind;
{
struct elf64_x86_64_link_hash_entry *edir, *eind;
@ -536,7 +538,7 @@ elf64_x86_64_copy_indirect_symbol (dir, ind)
eind->dyn_relocs = NULL;
}
_bfd_elf_link_hash_copy_indirect (dir, ind);
_bfd_elf_link_hash_copy_indirect (bed, dir, ind);
}
static boolean

6
bfd/elflink.h
View file

@ -1044,7 +1044,7 @@ elf_add_default_symbol (abfd, info, h, name, sym, psec, value,
| ELF_LINK_HASH_DEF_REGULAR)) == 0);
ht = (struct elf_link_hash_entry *) hi->root.u.i.link;
(*bed->elf_backend_copy_indirect_symbol) (ht, hi);
(*bed->elf_backend_copy_indirect_symbol) (bed, ht, hi);
/* See if the new flags lead us to realize that the symbol must
be dynamic. */
@ -1116,7 +1116,7 @@ elf_add_default_symbol (abfd, info, h, name, sym, psec, value,
& (ELF_LINK_HASH_DEF_DYNAMIC
| ELF_LINK_HASH_DEF_REGULAR)) == 0);
(*bed->elf_backend_copy_indirect_symbol) (h, hi);
(*bed->elf_backend_copy_indirect_symbol) (bed, h, hi);
/* See if the new flags lead us to realize that the symbol
must be dynamic. */
@ -3903,7 +3903,7 @@ elf_fix_symbol_flags (h, eif)
struct elf_backend_data *bed;
bed = get_elf_backend_data (elf_hash_table (eif->info)->dynobj);
(*bed->elf_backend_copy_indirect_symbol) (weakdef, h);
(*bed->elf_backend_copy_indirect_symbol) (bed, weakdef, h);
}
}

6
bfd/elfxx-ia64.c
View file

@ -207,7 +207,8 @@ static struct bfd_hash_entry *elfNN_ia64_new_elf_hash_entry
PARAMS ((struct bfd_hash_entry *entry, struct bfd_hash_table *table,
const char *string));
static void elfNN_ia64_hash_copy_indirect
PARAMS ((struct elf_link_hash_entry *, struct elf_link_hash_entry *));
PARAMS ((struct elf_backend_data *, struct elf_link_hash_entry *,
struct elf_link_hash_entry *));
static void elfNN_ia64_hash_hide_symbol
PARAMS ((struct bfd_link_info *, struct elf_link_hash_entry *, boolean));
static struct bfd_link_hash_table *elfNN_ia64_hash_table_create
@ -1602,7 +1603,8 @@ elfNN_ia64_new_elf_hash_entry (entry, table, string)
}
static void
elfNN_ia64_hash_copy_indirect (xdir, xind)
elfNN_ia64_hash_copy_indirect (bed, xdir, xind)
struct elf_backend_data *bed ATTRIBUTE_UNUSED;
struct elf_link_hash_entry *xdir, *xind;
{
struct elfNN_ia64_link_hash_entry *dir, *ind;

5
bfd/elfxx-mips.c
View file

@ -6369,12 +6369,13 @@ _bfd_mips_elf_gc_sweep_hook (abfd, info, sec, relocs)
_bfd_elf_link_hash_copy_indirect copy the flags for us. */
void
_bfd_mips_elf_copy_indirect_symbol (dir, ind)
_bfd_mips_elf_copy_indirect_symbol (bed, dir, ind)
struct elf_backend_data *bed;
struct elf_link_hash_entry *dir, *ind;
{
struct mips_elf_link_hash_entry *dirmips, *indmips;
_bfd_elf_link_hash_copy_indirect (dir, ind);
_bfd_elf_link_hash_copy_indirect (bed, dir, ind);
if (ind->root.type != bfd_link_hash_indirect)
return;

3
bfd/elfxx-mips.h
View file

@ -68,7 +68,8 @@ extern boolean _bfd_mips_elf_gc_sweep_hook
PARAMS ((bfd *, struct bfd_link_info *, asection *,
const Elf_Internal_Rela *));
extern void _bfd_mips_elf_copy_indirect_symbol
PARAMS ((struct elf_link_hash_entry *, struct elf_link_hash_entry *));
PARAMS ((struct elf_backend_data *, struct elf_link_hash_entry *,
struct elf_link_hash_entry *));
extern void _bfd_mips_elf_hide_symbol
PARAMS ((struct bfd_link_info *, struct elf_link_hash_entry *, boolean));
extern boolean _bfd_mips_elf_ignore_discarded_relocs