X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=ld%2Fplugin.c;h=173aa1d07180636e8578f5c61555cebcb5d0e18e;hb=d546b61084cec687e0063b2e0e169b4690341c23;hp=60beacd06276c292312aede9f3c78e301ce5663f;hpb=607b483327fdfc75fb193870b3c4e7445ce3f64d;p=deliverable%2Fbinutils-gdb.git

diff --git a/ld/plugin.c b/ld/plugin.c
index 60beacd062..173aa1d071 100644
--- a/ld/plugin.c
+++ b/ld/plugin.c
@@ -1,5 +1,5 @@
 /* Plugin control for the GNU linker.
-   Copyright (C) 2010-2020 Free Software Foundation, Inc.
+   Copyright (C) 2010-2021 Free Software Foundation, Inc.
 
    This file is part of the GNU Binutils.
 
@@ -21,6 +21,7 @@
 #include "sysdep.h"
 #include "libiberty.h"
 #include "bfd.h"
+#if BFD_SUPPORTS_PLUGINS
 #include "bfdlink.h"
 #include "bfdver.h"
 #include "ctf-api.h"
@@ -414,7 +415,7 @@ asymbol_from_plugin_symbol (bfd *abfd, asymbol *asym,
 
   if (bfd_get_flavour (abfd) == bfd_target_elf_flavour)
     {
-      elf_symbol_type *elfsym = elf_symbol_from (abfd, asym);
+      elf_symbol_type *elfsym = elf_symbol_from (asym);
       unsigned char visibility;
 
       if (!elfsym)
@@ -1432,12 +1433,18 @@ plugin_notice (struct bfd_link_info *info,
 	 new value from a real BFD.  Weak symbols are not normally
 	 overridden by a new weak definition, and strong symbols
 	 will normally cause multiple definition errors.  Avoid
-	 this by making the symbol appear to be undefined.  */
-      else if (((h->type == bfd_link_hash_defweak
-		 || h->type == bfd_link_hash_defined)
-		&& is_ir_dummy_bfd (sym_bfd = h->u.def.section->owner))
-	       || (h->type == bfd_link_hash_common
-		   && is_ir_dummy_bfd (sym_bfd = h->u.c.p->section->owner)))
+	 this by making the symbol appear to be undefined.
+
+	 NB: We change the previous definition in the IR object to
+	 undefweak only after all LTO symbols have been read or for
+	 non-ELF targets.  */
+      else if ((info->lto_all_symbols_read
+		|| bfd_get_flavour (abfd) != bfd_target_elf_flavour)
+	       && (((h->type == bfd_link_hash_defweak
+		     || h->type == bfd_link_hash_defined)
+		    && is_ir_dummy_bfd (sym_bfd = h->u.def.section->owner))
+		   || (h->type == bfd_link_hash_common
+		       && is_ir_dummy_bfd (sym_bfd = h->u.c.p->section->owner))))
 	{
 	  h->type = bfd_link_hash_undefweak;
 	  h->u.undef.abfd = sym_bfd;
@@ -1462,3 +1469,4 @@ plugin_notice (struct bfd_link_info *info,
 				      abfd, section, value, flags);
   return TRUE;
 }
+#endif /* BFD_SUPPORTS_PLUGINS */