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authorAlan Modra <amodra@gmail.com>2002-03-20 07:49:53 +0000
committerAlan Modra <amodra@gmail.com>2002-03-20 07:49:53 +0000
commitfcf0e35b46c1e373f87edfb6d043ed1f064b35d3 (patch)
tree62151735dac4faa7ac8dd55d1db6770114c22cb4
parentc429b7ddd8505a241b6c1fc5e14f8cc7847443b0 (diff)
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* ldlang.c (ldlang_add_undef): If the output bfd has been opened,
add the symbol to the linker hash table immediately. (lang_place_undefineds): Split symbol creation out.. (insert_undefined): ..to here.
-rw-r--r--ld/ChangeLog7
-rw-r--r--ld/ldlang.c41
2 files changed, 36 insertions, 12 deletions
diff --git a/ld/ChangeLog b/ld/ChangeLog
index 3b55884..dda0b40 100644
--- a/ld/ChangeLog
+++ b/ld/ChangeLog
@@ -1,3 +1,10 @@
+2002-03-20 Alan Modra <amodra@bigpond.net.au>
+
+ * ldlang.c (ldlang_add_undef): If the output bfd has been opened,
+ add the symbol to the linker hash table immediately.
+ (lang_place_undefineds): Split symbol creation out..
+ (insert_undefined): ..to here.
+
2002-03-18 David O'Brien <obrien@FreeBSD.org>
* emultempl/elf32.em: Use lbasename vs. basename to fix problem where
diff --git a/ld/ldlang.c b/ld/ldlang.c
index b176f2d..83f6317 100644
--- a/ld/ldlang.c
+++ b/ld/ldlang.c
@@ -92,6 +92,7 @@ static bfd *open_output PARAMS ((const char *));
static void ldlang_open_output PARAMS ((lang_statement_union_type *));
static void open_input_bfds PARAMS ((lang_statement_union_type *, boolean));
static void lang_reasonable_defaults PARAMS ((void));
+static void insert_undefined PARAMS ((const char *));
static void lang_place_undefineds PARAMS ((void));
static void map_input_to_output_sections
PARAMS ((lang_statement_union_type *, const char *,
@@ -2010,7 +2011,11 @@ lang_reasonable_defaults ()
}
/* Add the supplied name to the symbol table as an undefined reference.
- Remove items from the chain as we open input bfds. */
+ This is a two step process as the symbol table doesn't even exist at
+ the time the ld command line is processed. First we put the name
+ on a list, then, once the output file has been opened, transfer the
+ name to the symbol table. */
+
typedef struct ldlang_undef_chain_list
{
struct ldlang_undef_chain_list *next;
@@ -2031,6 +2036,28 @@ ldlang_add_undef (name)
ldlang_undef_chain_list_head = new;
new->name = xstrdup (name);
+
+ if (output_bfd != NULL)
+ insert_undefined (new->name);
+}
+
+/* Insert NAME as undefined in the symbol table. */
+
+static void
+insert_undefined (name)
+ const char *name;
+{
+ struct bfd_link_hash_entry *h;
+
+ h = bfd_link_hash_lookup (link_info.hash, name, true, false, true);
+ if (h == (struct bfd_link_hash_entry *) NULL)
+ einfo (_("%P%F: bfd_link_hash_lookup failed: %E\n"));
+ if (h->type == bfd_link_hash_new)
+ {
+ h->type = bfd_link_hash_undefined;
+ h->u.undef.abfd = NULL;
+ bfd_link_add_undef (link_info.hash, h);
+ }
}
/* Run through the list of undefineds created above and place them
@@ -2046,17 +2073,7 @@ lang_place_undefineds ()
ptr != (ldlang_undef_chain_list_type *) NULL;
ptr = ptr->next)
{
- struct bfd_link_hash_entry *h;
-
- h = bfd_link_hash_lookup (link_info.hash, ptr->name, true, false, true);
- if (h == (struct bfd_link_hash_entry *) NULL)
- einfo (_("%P%F: bfd_link_hash_lookup failed: %E\n"));
- if (h->type == bfd_link_hash_new)
- {
- h->type = bfd_link_hash_undefined;
- h->u.undef.abfd = NULL;
- bfd_link_add_undef (link_info.hash, h);
- }
+ insert_undefined (ptr->name);
}
}