* ecoff.c: casting the return value of BFD_ALIGN to int

[external/binutils.git] / bfd / elflink.c

diff --git a/bfd/elflink.c b/bfd/elflink.c
index 99a1ddf..138c18e 100644 (file)
--- a/bfd/elflink.c
+++ b/bfd/elflink.c
@@ -1,7 +1,5 @@
 /* ELF linking support for BFD.
-   Copyright 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
-   2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013
-   Free Software Foundation, Inc.
+   Copyright 1995-2013 Free Software Foundation, Inc.
 
    This file is part of BFD, the Binary File Descriptor library.
 
@@ -11844,6 +11842,44 @@ _bfd_elf_gc_mark_extra_sections (struct bfd_link_info *info,
            && ((isec->flags & SEC_DEBUGGING) != 0
                || (isec->flags & (SEC_ALLOC | SEC_LOAD | SEC_RELOC)) == 0))
          isec->gc_mark = 1;
+      /* Look for CODE sections which are going to be discarded.  */
+      for (isec = ibfd->sections; isec != NULL; isec = isec->next)
+       if ((isec->flags & SEC_CODE) != 0
+           && isec->gc_mark == 0)
+         {
+           unsigned int ilen;
+           asection *dsec;
+
+           ilen = strlen (isec->name);
+
+           /* Determine if there are any debug sections associated
+              with this code section.  If so, remove their mark 
+              (which may have been set above) so that they can be
+              garbage collected as well.
+
+              Association is determined by the name of the debug section
+              containing the name of the code section as a suffix.  For
+              example .debug_line.text.foo is a debug section associated
+              with .text.foo.  */
+           for (dsec = ibfd->sections; dsec != NULL; dsec = dsec->next)
+             {
+               unsigned int dlen;
+
+               if (dsec->gc_mark == 0
+                   || (dsec->flags & SEC_DEBUGGING) == 0)
+                 continue;
+
+               dlen = strlen (dsec->name);
+
+               if (dlen > ilen
+                   && strncmp (dsec->name + (dlen - ilen),
+                               isec->name, ilen) == 0)
+                 {
+                   dsec->gc_mark = 0;
+                   break;
+                 }
+             }
+         }
     }
   return TRUE;
 }