From: H.J. Lu <hjl.tools@gmail.com>
Date: Thu, 10 May 2001 22:59:29 +0000 (+0000)
Subject: 2001-05-10  H.J. Lu  <hjl@gnu.org>
X-Git-Tag: dberlin-typesystem-branchpoint~570
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=689effed707a39631d63921f38a03f670d6ce380;p=thirdparty%2Fbinutils-gdb.git

2001-05-10  H.J. Lu  <hjl@gnu.org>

	* linker.c (_bfd_generic_link_add_one_symbol): Check loop on
	indirect symbols.
---

diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 6703eadd256..29d153c0b29 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,8 @@
+2001-05-10  H.J. Lu  <hjl@gnu.org>
+
+	* linker.c (_bfd_generic_link_add_one_symbol): Check loop on
+	indirect symbols.
+
 2001-05-09  H.J. Lu  <hjl@gnu.org>
 
 	* elflink.h (elf_link_add_object_symbols): Fix a typo. Allocate
diff --git a/bfd/linker.c b/bfd/linker.c
index 3efaf665d7f..08772894890 100644
--- a/bfd/linker.c
+++ b/bfd/linker.c
@@ -1801,6 +1801,15 @@ _bfd_generic_link_add_one_symbol (info, abfd, name, flags, section, value,
 						copy, false);
 	    if (inh == (struct bfd_link_hash_entry *) NULL)
 	      return false;
+	    if (inh->type == bfd_link_hash_indirect
+		&& inh->u.i.link == h)
+	      {
+		(*_bfd_error_handler)
+		  (_("%s: indirect symbol `%s' to `%s' is a loop"),  
+		   bfd_get_filename (abfd), name, string);
+		bfd_set_error (bfd_error_invalid_operation);
+		return false;
+	      }
 	    if (inh->type == bfd_link_hash_new)
 	      {
 		inh->type = bfd_link_hash_undefined;