Warn for ar/nm/ranlib/ld on lto objects without plugin

	PR 13227
bfd/
	* archive.c (_bfd_compute_and_write_armap): Warn on adding
	__gnu_lto_slim to armap.
	* linker.c (_bfd_generic_link_add_one_symbol): Warn on adding
	__gnu_lto_slim to linker hash table.
binutils/
	* nm.c (filter_symbols): Warn on __gnu_lto_slim.

diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index f18776175cea64f026ecb1d9e00c2fef3134b2cd..944481242c76a339594c65553a7b300d120e468d 100644 (file)
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,11 @@
+2014-07-28  Alan Modra  <amodra@gmail.com>
+
+       PR 13227
+       * archive.c (_bfd_compute_and_write_armap): Warn on adding
+       __gnu_lto_slim to armap.
+       * linker.c (_bfd_generic_link_add_one_symbol): Warn on adding
+       __gnu_lto_slim to linker hash table.
+
 2014-07-27  Anthony Green  <green@moxielogic.org>
 
        * config.bfd: Add moxie-*-moxiebox*.

diff --git a/bfd/archive.c b/bfd/archive.c
index 1c3ad5240ff11af810086ce494cf2854d5240788..40a3395ba09be7cd60bc0220efa7b2ebe563e246 100644 (file)
--- a/bfd/archive.c
+++ b/bfd/archive.c
@@ -2357,6 +2357,10 @@ _bfd_compute_and_write_armap (bfd *arch, unsigned int elength)
                          map = new_map;
                        }
 
+                     if (strcmp (syms[src_count]->name, "__gnu_lto_slim") == 0)
+                       (*_bfd_error_handler)
+                         (_("%s: plugin needed to handle lto object"),
+                          bfd_get_filename (current));
                      namelen = strlen (syms[src_count]->name);
                      amt = sizeof (char *);
                      map[orl_count].name = (char **) bfd_alloc (arch, amt);

diff --git a/bfd/linker.c b/bfd/linker.c
index f6ae4e2c6264b07e7042507f0641c37644a96dcf..5ad7988f42c393011d4d53acf501d90856f60624 100644 (file)
--- a/bfd/linker.c
+++ b/bfd/linker.c
@@ -1642,7 +1642,13 @@ _bfd_generic_link_add_one_symbol (struct bfd_link_info *info,
   else if ((flags & BSF_WEAK) != 0)
     row = DEFW_ROW;
   else if (bfd_is_com_section (section))
-    row = COMMON_ROW;
+    {
+      row = COMMON_ROW;
+      if (strcmp (name, "__gnu_lto_slim") == 0)
+       (*_bfd_error_handler)
+         (_("%s: plugin needed to handle lto object"),
+          bfd_get_filename (abfd));
+    }
   else
     row = DEF_ROW;
 

diff --git a/binutils/ChangeLog b/binutils/ChangeLog
index 58d698407a6e702b371784740dc788c6e53ed75d..cf01c909ab39bcd975af745a4030519588edb951 100644 (file)
--- a/binutils/ChangeLog
+++ b/binutils/ChangeLog
@@ -1,3 +1,8 @@
+2014-07-28  Alan Modra  <amodra@gmail.com>
+
+       PR 13227
+       * nm.c (filter_symbols): Warn on __gnu_lto_slim.
+
 2014-07-07  Nick Clifton  <nickc@redhat.com>
 
        * readelf.c (get_symbol_type): Revert accidental change to

diff --git a/binutils/nm.c b/binutils/nm.c
index 2a44a846004885f06f288af6c38fa42eddf5a7f2..ecd147e040042421ed51ca7ca940ba318f341706 100644 (file)
--- a/binutils/nm.c
+++ b/binutils/nm.c
@@ -434,6 +434,10 @@ filter_symbols (bfd *abfd, bfd_boolean is_dynamic, void *minisyms,
       if (sym == NULL)
        bfd_fatal (bfd_get_filename (abfd));
 
+      if (strcmp (sym->name, "__gnu_lto_slim") == 0)
+       non_fatal (_("%s: plugin needed to handle lto object"),
+                  bfd_get_filename (abfd));
+
       if (undefined_only)
        keep = bfd_is_und_section (sym->section);
       else if (external_only)