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authorRichard Henderson <rth@redhat.com>2000-02-13 23:11:32 +0000
committerRichard Henderson <rth@redhat.com>2000-02-13 23:11:32 +0000
commit2920b85c635ae57dc3f6b89f073d252ac3415ce2 (patch)
tree09c0c63f9ce0106e86a59bb35d0b87cdfc06add6
parent7f8d5fc90bf3c799976edffa902e03edf1455061 (diff)
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* elf-bfd.h (struct elf_link_hash_table): Add copy_indirect and
hide_symbol members. (elf_link_hash_copy_indirect): New. (elf_link_hash_hide_symbol): New. * elflink.h (elf_link_add_object_symbols): Break out copy from indirect new new symbol to elf.c. (elf_link_assign_sym_version): Break out privatization of non-exported symbol to elf.c. * elf.c (_bfd_elf_link_hash_copy_indirect): New. (_bfd_elf_link_hash_hide_symbol): New. (_bfd_elf_link_hash_table_init): Init copy_indirect and hide_symbol.
-rw-r--r--bfd/ChangeLog14
-rw-r--r--bfd/elf-bfd.h16
-rw-r--r--bfd/elf.c56
-rw-r--r--bfd/elflink.h95
4 files changed, 94 insertions, 87 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 1b629ea..c3425db 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,17 @@
+2000-02-13 Richard Henderson <rth@cygnus.com>
+
+ * elf-bfd.h (struct elf_link_hash_table): Add copy_indirect and
+ hide_symbol members.
+ (elf_link_hash_copy_indirect): New.
+ (elf_link_hash_hide_symbol): New.
+ * elflink.h (elf_link_add_object_symbols): Break out copy from
+ indirect new new symbol to elf.c.
+ (elf_link_assign_sym_version): Break out privatization of
+ non-exported symbol to elf.c.
+ * elf.c (_bfd_elf_link_hash_copy_indirect): New.
+ (_bfd_elf_link_hash_hide_symbol): New.
+ (_bfd_elf_link_hash_table_init): Init copy_indirect and hide_symbol.
+
2000-02-13 Ian Lance Taylor <ian@zembu.com>
* section.c (_bfd_strip_section_from_output): Add info parameter.
diff --git a/bfd/elf-bfd.h b/bfd/elf-bfd.h
index 302ca7a..6f0624e 100644
--- a/bfd/elf-bfd.h
+++ b/bfd/elf-bfd.h
@@ -243,6 +243,12 @@ struct elf_link_hash_table
PTR stab_info;
/* A linked list of local symbols to be added to .dynsym. */
struct elf_link_local_dynamic_entry *dynlocal;
+
+ void (*copy_indirect) PARAMS ((struct elf_link_hash_table *,
+ struct elf_link_hash_entry *,
+ struct elf_link_hash_entry *));
+ void (*hide_symbol) PARAMS ((struct elf_link_hash_table *,
+ struct elf_link_hash_entry *));
};
/* Look up an entry in an ELF linker hash table. */
@@ -263,6 +269,16 @@ struct elf_link_hash_table
/* Get the ELF linker hash table from a link_info structure. */
#define elf_hash_table(p) ((struct elf_link_hash_table *) ((p)->hash))
+
+/* Call the copy_indirect method. */
+
+#define elf_link_hash_copy_indirect(TABLE,DIR,IND) \
+ ((*(TABLE)->copy_indirect) ((TABLE), (DIR), (IND)))
+
+/* Call the hide_symbol method. */
+
+#define elf_link_hash_hide_symbol(TABLE,SYM) \
+ ((*(TABLE)->hide_symbol) ((TABLE), (SYM)))
/* Constant information held for an ELF backend. */
diff --git a/bfd/elf.c b/bfd/elf.c
index 436f8db..654d651 100644
--- a/bfd/elf.c
+++ b/bfd/elf.c
@@ -906,6 +906,60 @@ _bfd_elf_link_hash_newfunc (entry, table, string)
return (struct bfd_hash_entry *) ret;
}
+/* Copy data from an indirect symbol to its direct symbol, hiding the
+ old indirect symbol. */
+
+static void
+_bfd_elf_link_hash_copy_indirect (table, dir, ind)
+ struct elf_link_hash_table *table;
+ struct elf_link_hash_entry *dir, *ind;
+{
+ /* Copy down any references that we may have already seen to the
+ symbol which just became indirect. */
+
+ dir->elf_link_hash_flags |=
+ (ind->elf_link_hash_flags
+ & (ELF_LINK_HASH_REF_DYNAMIC
+ | ELF_LINK_HASH_REF_REGULAR
+ | ELF_LINK_HASH_REF_REGULAR_NONWEAK
+ | ELF_LINK_NON_GOT_REF));
+
+ /* Copy over the global and procedure linkage table offset entries.
+ These may have been already set up by a check_relocs routine. */
+ if (dir->got.offset == (bfd_vma) -1)
+ {
+ dir->got.offset = ind->got.offset;
+ ind->got.offset = (bfd_vma) -1;
+ }
+ BFD_ASSERT (ind->got.offset == (bfd_vma) -1);
+
+ if (dir->plt.offset == (bfd_vma) -1)
+ {
+ dir->plt.offset = ind->plt.offset;
+ ind->plt.offset = (bfd_vma) -1;
+ }
+ BFD_ASSERT (ind->plt.offset == (bfd_vma) -1);
+
+ if (dir->dynindx == -1)
+ {
+ dir->dynindx = ind->dynindx;
+ dir->dynstr_index = ind->dynstr_index;
+ ind->dynindx = -1;
+ ind->dynstr_index = 0;
+ }
+ BFD_ASSERT (ind->dynindx == -1);
+}
+
+static void
+_bfd_elf_link_hash_hide_symbol(table, h)
+ struct elf_link_hash_table *table;
+ struct elf_link_hash_entry *h;
+{
+ h->elf_link_hash_flags &= ~ELF_LINK_HASH_NEEDS_PLT;
+ h->dynindx = -1;
+ h->plt.offset = (bfd_vma) -1;
+}
+
/* Initialize an ELF linker hash table. */
boolean
@@ -925,6 +979,8 @@ _bfd_elf_link_hash_table_init (table, abfd, newfunc)
table->needed = NULL;
table->hgot = NULL;
table->stab_info = NULL;
+ table->copy_indirect = _bfd_elf_link_hash_copy_indirect;
+ table->hide_symbol = _bfd_elf_link_hash_hide_symbol;
return _bfd_link_hash_table_init (&table->root, abfd, newfunc);
}
diff --git a/bfd/elflink.h b/bfd/elflink.h
index ce71d94..5bce135 100644
--- a/bfd/elflink.h
+++ b/bfd/elflink.h
@@ -1734,45 +1734,8 @@ elf_link_add_object_symbols (abfd, info)
== 0);
ht = (struct elf_link_hash_entry *) hi->root.u.i.link;
-
- /* Copy down any references that we may have
- already seen to the symbol which just became
- indirect. */
- ht->elf_link_hash_flags |=
- (hi->elf_link_hash_flags
- & (ELF_LINK_HASH_REF_DYNAMIC
- | ELF_LINK_HASH_REF_REGULAR
- | ELF_LINK_HASH_REF_REGULAR_NONWEAK
- | ELF_LINK_NON_GOT_REF));
-
- /* Copy over the global and procedure linkage table
- offset entries. These may have been already set
- up by a check_relocs routine. */
- if (ht->got.offset == (bfd_vma) -1)
- {
- ht->got.offset = hi->got.offset;
- hi->got.offset = (bfd_vma) -1;
- }
- BFD_ASSERT (hi->got.offset == (bfd_vma) -1);
-
- if (ht->plt.offset == (bfd_vma) -1)
- {
- ht->plt.offset = hi->plt.offset;
- hi->plt.offset = (bfd_vma) -1;
- }
- BFD_ASSERT (hi->plt.offset == (bfd_vma) -1);
-
- if (ht->dynindx == -1)
- {
- ht->dynindx = hi->dynindx;
- ht->dynstr_index = hi->dynstr_index;
- hi->dynindx = -1;
- hi->dynstr_index = 0;
- }
- BFD_ASSERT (hi->dynindx == -1);
-
- /* FIXME: There may be other information to copy
- over for particular targets. */
+ elf_link_hash_copy_indirect (elf_hash_table (info),
+ ht, hi);
/* See if the new flags lead us to realize that
the symbol must be dynamic. */
@@ -1845,44 +1808,8 @@ elf_link_add_object_symbols (abfd, info)
| ELF_LINK_HASH_DEF_REGULAR))
== 0);
- /* Copy down any references that we may have
- already seen to the symbol which just
- became indirect. */
- h->elf_link_hash_flags |=
- (hi->elf_link_hash_flags
- & (ELF_LINK_HASH_REF_DYNAMIC
- | ELF_LINK_HASH_REF_REGULAR
- | ELF_LINK_HASH_REF_REGULAR_NONWEAK
- | ELF_LINK_NON_GOT_REF));
-
- /* Copy over the global and procedure linkage
- table offset entries. These may have been
- already set up by a check_relocs routine. */
- if (h->got.offset == (bfd_vma) -1)
- {
- h->got.offset = hi->got.offset;
- hi->got.offset = (bfd_vma) -1;
- }
- BFD_ASSERT (hi->got.offset == (bfd_vma) -1);
-
- if (h->plt.offset == (bfd_vma) -1)
- {
- h->plt.offset = hi->plt.offset;
- hi->plt.offset = (bfd_vma) -1;
- }
- BFD_ASSERT (hi->got.offset == (bfd_vma) -1);
-
- if (h->dynindx == -1)
- {
- h->dynindx = hi->dynindx;
- h->dynstr_index = hi->dynstr_index;
- hi->dynindx = -1;
- hi->dynstr_index = 0;
- }
- BFD_ASSERT (hi->dynindx == -1);
-
- /* FIXME: There may be other information to
- copy over for particular targets. */
+ elf_link_hash_copy_indirect (elf_hash_table (info),
+ h, hi);
/* See if the new flags lead us to realize
that the symbol must be dynamic. */
@@ -3758,10 +3685,8 @@ elf_link_assign_sym_version (h, data)
&& ! sinfo->export_dynamic)
{
h->elf_link_hash_flags |= ELF_LINK_FORCED_LOCAL;
- h->elf_link_hash_flags &=~
- ELF_LINK_HASH_NEEDS_PLT;
- h->dynindx = -1;
- h->plt.offset = (bfd_vma) -1;
+ elf_link_hash_hide_symbol (elf_hash_table (info),
+ h);
/* FIXME: The name of the symbol has
already been recorded in the dynamic
string table section. */
@@ -3873,9 +3798,7 @@ elf_link_assign_sym_version (h, data)
&& ! sinfo->export_dynamic)
{
h->elf_link_hash_flags |= ELF_LINK_FORCED_LOCAL;
- h->elf_link_hash_flags &=~ ELF_LINK_HASH_NEEDS_PLT;
- h->dynindx = -1;
- h->plt.offset = (bfd_vma) -1;
+ elf_link_hash_hide_symbol (elf_hash_table (info), h);
/* FIXME: The name of the symbol has already
been recorded in the dynamic string table
section. */
@@ -3897,9 +3820,7 @@ elf_link_assign_sym_version (h, data)
&& ! sinfo->export_dynamic)
{
h->elf_link_hash_flags |= ELF_LINK_FORCED_LOCAL;
- h->elf_link_hash_flags &=~ ELF_LINK_HASH_NEEDS_PLT;
- h->dynindx = -1;
- h->plt.offset = (bfd_vma) -1;
+ elf_link_hash_hide_symbol (elf_hash_table (info), h);
/* FIXME: The name of the symbol has already been
recorded in the dynamic string table section. */
}