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authorIan Lance Taylor <ian@airs.com>1995-02-09 17:19:53 +0000
committerIan Lance Taylor <ian@airs.com>1995-02-09 17:19:53 +0000
commitc93e959c81b432b128fe06f8aa6c397546416148 (patch)
treef581961924dcff9e3821271deb7b7fd46b267410 /bfd
parent62e5acdce987cc02510001f0ba4c0001675b97bf (diff)
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* i386linux.c (NEEDS_SHRLIB): Define.
(linux_tally_symbols): Crash if a NEEDS_SHRLIB symbol is undefined. From hjl@nynexst.com (H.J. Lu).
Diffstat (limited to 'bfd')
-rw-r--r--bfd/ChangeLog4
-rw-r--r--bfd/i386linux.c36
2 files changed, 40 insertions, 0 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index dc778d0..1ad6111 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,5 +1,9 @@
Thu Feb 9 12:02:35 1995 Ian Lance Taylor <ian@cygnus.com>
+ * i386linux.c (NEEDS_SHRLIB): Define.
+ (linux_tally_symbols): Crash if a NEEDS_SHRLIB symbol is
+ undefined. From hjl@nynexst.com (H.J. Lu).
+
* elfcode.h (elf_bfd_final_link): Add assertion to make sure that
dynamic and dynobj are in synch.
diff --git a/bfd/i386linux.c b/bfd/i386linux.c
index 91d4143..e5162c4 100644
--- a/bfd/i386linux.c
+++ b/bfd/i386linux.c
@@ -94,6 +94,12 @@ i386linux_write_object_contents (abfd)
#define IS_PLT_SYM(name) \
(strncmp (name, PLT_REF_PREFIX, sizeof PLT_REF_PREFIX - 1) == 0)
+/* This string is used to generate specialized error messages. */
+
+#ifndef NEEDS_SHRLIB
+#define NEEDS_SHRLIB "__NEEDS_SHRLIB_"
+#endif
+
/* This special symbol is a set vector that contains a list of
pointers to fixup tables. It will be present in any dynamicly
linked file. The linker generated fixup table should also be added
@@ -422,6 +428,36 @@ linux_tally_symbols (h, data)
struct linux_link_hash_entry *h1, *h2;
boolean exists;
+ if (h->root.root.type == bfd_link_hash_undefined
+ && strncmp (h->root.root.root.string, NEEDS_SHRLIB,
+ sizeof NEEDS_SHRLIB - 1) == 0)
+ {
+ const char *name;
+ char *p;
+ char *alloc = NULL;
+
+ name = h->root.root.root.string + sizeof NEEDS_SHRLIB - 1;
+ p = strrchr (name, '_');
+ if (p != NULL)
+ alloc = (char *) malloc (strlen (name) + 1);
+
+ /* FIXME! BFD should not call printf! */
+ if (p == NULL || alloc == NULL)
+ fprintf (stderr, "Output file requires shared library `%s'\n", name);
+ else
+ {
+ strcpy (alloc, name);
+ p = strrchr (alloc, '_');
+ *p++ = '\0';
+ fprintf (stderr,
+ "Output file requires shared library `%s.so.%s'\n",
+ alloc, p);
+ free (alloc);
+ }
+
+ abort ();
+ }
+
/* If this symbol is not a PLT/GOT, we do not even need to look at it */
is_plt = IS_PLT_SYM (h->root.root.root.string);