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* elf-bfd.h (struct elf_link_local_dynamic_entry): Add init_refcount.

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(struct elf_backend_data): Add can_refcount.
	* elf.c (_bfd_elf_link_hash_newfunc): Get rid of a few casts.  Set
	got.refcount and plt.refcount from init_refcount.
	(_bfd_elf_link_hash_table_init): Set up init_refcount.
	(_bfd_elf_link_hash_copy_indirect): Reference got/plt.refcount
	rather than got/plt.offset, and test for <= 0 rather than -1.
	* elflink.h (size_dynamic_sections): Set init_refcount to -1.
	* elfxx-target.h (elf_backend_can_refcount): Define.
	(elfNN_bed): Init can_refcount.
	* linker.c (_bfd_link_hash_newfunc): Get rid of a few casts.
	(_bfd_generic_link_hash_newfunc): Likewise.
	* elf32-cris.c (cris_elf_check_relocs): Modify for refcounts
	starting from zero.
	(elf_backend_can_refcount): Define.
	* elf32-hppa.c (elf32_hppa_check_relocs): Modify for refcounts
	starting from zero.
	(elf32_hppa_copy_indirect_symbol): Make static to agree with
	prototype.
	(elf_backend_can_refcount): Define.
	* elf32-i386.c (elf_i386_check_relocs): Modify for refcounts
	starting from zero.
	(allocate_dynrelocs): Set plt/got.offset rather than *.refcount.
	(elf_i386_finish_dynamic_symbol): Expand SHN_UNDEF comment.
	(elf_i386_finish_dynamic_sections): Use local var so line < 80 chars.
	(elf_backend_can_refcount): Define.
	(elf_i386_copy_indirect_symbol): Make static to agree with
	prototype.  Formatting fix.
	* elf32-m68k.c (elf_m68k_check_relocs): Modify for refcounts
	starting from zero.
	(elf_backend_can_refcount): Define.
	* elf32-ppc.c (ppc_elf_check_relocs): Modify for refcounts
	starting from zero.
	(elf_backend_can_refcount): Define.
	* elf32-s390.c (elf_s390_check_relocs): Modify for refcounts
	starting from zero.
	(elf_backend_can_refcount): Define.
	* elf64-s390.c (elf_s390_check_relocs): Modify for refcounts
	starting from zero.
	(elf_backend_can_refcount): Define.
	* elf64-x86-64.c (elf64_x86_64_check_relocs): Modify for refcounts
	starting from zero.
	(elf_backend_can_refcount): Define.
This commit is contained in:
Alan Modra 2001-09-29 06:21:59 +00:00
parent 21d17a588f
commit 51b64d56a7
14 changed files with 202 additions and 226 deletions
Download patch file Download diff file Expand all files Collapse all files

49
bfd/elf.c
View file

@ -944,31 +944,31 @@ _bfd_elf_link_hash_newfunc (entry, table, string)
struct bfd_hash_table *table;
const char *string;
{
struct elf_link_hash_entry *ret = (struct elf_link_hash_entry *) entry;
/* Allocate the structure if it has not already been allocated by a
subclass. */
if (ret == (struct elf_link_hash_entry *) NULL)
ret = ((struct elf_link_hash_entry *)
bfd_hash_allocate (table, sizeof (struct elf_link_hash_entry)));
if (ret == (struct elf_link_hash_entry *) NULL)
return (struct bfd_hash_entry *) ret;
if (entry == NULL)
{
entry = bfd_hash_allocate (table, sizeof (struct elf_link_hash_entry));
if (entry == NULL)
return entry;
}
/* Call the allocation method of the superclass. */
ret = ((struct elf_link_hash_entry *)
_bfd_link_hash_newfunc ((struct bfd_hash_entry *) ret,
table, string));
if (ret != (struct elf_link_hash_entry *) NULL)
entry = _bfd_link_hash_newfunc (entry, table, string);
if (entry != NULL)
{
struct elf_link_hash_entry *ret = (struct elf_link_hash_entry *) entry;
struct elf_link_hash_table *htab = (struct elf_link_hash_table *) table;
/* Set local fields. */
ret->indx = -1;
ret->size = 0;
ret->dynindx = -1;
ret->dynstr_index = 0;
ret->weakdef = NULL;
ret->got.offset = (bfd_vma) -1;
ret->plt.offset = (bfd_vma) -1;
ret->linker_section_pointer = (elf_linker_section_pointers_t *)0;
ret->got.refcount = htab->init_refcount;
ret->plt.refcount = htab->init_refcount;
ret->linker_section_pointer = NULL;
ret->verinfo.verdef = NULL;
ret->vtable_entries_used = NULL;
ret->vtable_entries_size = 0;
@ -982,7 +982,7 @@ _bfd_elf_link_hash_newfunc (entry, table, string)
ret->elf_link_hash_flags = ELF_LINK_NON_ELF;
}
return (struct bfd_hash_entry *) ret;
return entry;
}
/* Copy data from an indirect symbol to its direct symbol, hiding the
@ -1002,21 +1002,21 @@ _bfd_elf_link_hash_copy_indirect (dir, ind)
| ELF_LINK_HASH_REF_REGULAR_NONWEAK
| ELF_LINK_NON_GOT_REF));
/* Copy over the global and procedure linkage table offset entries.
/* Copy over the global and procedure linkage table refcount entries.
These may have been already set up by a check_relocs routine. */
if (dir->got.offset == (bfd_vma) -1)
if (dir->got.refcount <= 0)
{
dir->got.offset = ind->got.offset;
ind->got.offset = (bfd_vma) -1;
dir->got.refcount = ind->got.refcount;
ind->got.refcount = 0;
}
BFD_ASSERT (ind->got.offset == (bfd_vma) -1);
BFD_ASSERT (ind->got.refcount <= 0);
if (dir->plt.offset == (bfd_vma) -1)
if (dir->plt.refcount <= 0)
{
dir->plt.offset = ind->plt.offset;
ind->plt.offset = (bfd_vma) -1;
dir->plt.refcount = ind->plt.refcount;
ind->plt.refcount = 0;
}
BFD_ASSERT (ind->plt.offset == (bfd_vma) -1);
BFD_ASSERT (ind->plt.refcount <= 0);
if (dir->dynindx == -1)
{
@ -1053,6 +1053,7 @@ _bfd_elf_link_hash_table_init (table, abfd, newfunc)
table->dynamic_sections_created = false;
table->dynobj = NULL;
table->init_refcount = get_elf_backend_data (abfd)->can_refcount - 1;
/* The first dynamic symbol is a dummy. */
table->dynsymcount = 1;
table->dynstr = NULL;