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* i386linux.c (NEEDS_SHRLIB): Define.

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(linux_tally_symbols): Crash if a NEEDS_SHRLIB symbol is
	undefined.  From hjl@nynexst.com (H.J. Lu).
This commit is contained in:
Ian Lance Taylor 1995-02-09 17:19:53 +00:00
parent 62e5acdce9
commit c93e959c81
2 changed files with 40 additions and 0 deletions
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4
bfd/ChangeLog
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@ -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.

36
bfd/i386linux.c
View File

@ -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);