From: Nick Clifton <nickc@redhat.com>
Date: Fri, 12 Mar 2004 11:57:05 +0000 (+0000)
Subject: Ignore data-only sections when checking interworking status
X-Git-Tag: gprof-pre-ansify-2004-05-26~897
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=d1f161ea0a1ea3a6d18421b20ea7d33202d9fdd8;p=external%2Fbinutils.git

Ignore data-only sections when checking interworking status
---

diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 22ab879..10055b5 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,9 @@
+2004-03-12  Nick Clifton  <nickc@redhat.com>
+	    Dave Murphy  <wintermute2k4@ntlworld.com>
+	
+	* elf32-arm.h (elf32_arm_merge_private_bfd_data): Skip most checks
+	if the input bfd does not contain any code.
+
 2004-03-09  Steve Ellcey  <sje@cup.hp.com>
 
 	* elfxx-ia64.c (plt_full_entry): Change ld8 to ld8.acq.
diff --git a/bfd/elf32-arm.h b/bfd/elf32-arm.h
index 7c284c1..f8c859f 100644
--- a/bfd/elf32-arm.h
+++ b/bfd/elf32-arm.h
@@ -1,5 +1,6 @@
 /* 32-bit ELF support for ARM
-   Copyright 1998, 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
+   Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004
+   Free Software Foundation, Inc.
 
    This file is part of BFD, the Binary File Descriptor library.
 
@@ -2430,11 +2431,16 @@ elf32_arm_merge_private_bfd_data (ibfd, obfd)
      not, its flags may not have been initialised either, but it
      cannot actually cause any incompatibility.  Do not short-circuit
      dynamic objects; their section list may be emptied by
-     elf_link_add_object_symbols.  */
+    elf_link_add_object_symbols.
 
+    Also check to see if there are no code sections in the input.
+    In this case there is no need to check for code specific flags.
+    XXX - do we need to worry about floating-point format compatability
+    in data sections ?  */
   if (!(ibfd->flags & DYNAMIC))
     {
       bfd_boolean null_input_bfd = TRUE;
+      bfd_boolean only_data_sections = TRUE;
 
       for (sec = ibfd->sections; sec != NULL; sec = sec->next)
 	{
@@ -2442,11 +2448,17 @@ elf32_arm_merge_private_bfd_data (ibfd, obfd)
 	  if (strcmp (sec->name, ".glue_7")
 	      && strcmp (sec->name, ".glue_7t"))
 	    {
+	      if ((bfd_get_section_flags (ibfd, sec)
+		   & (SEC_LOAD | SEC_CODE | SEC_HAS_CONTENTS))
+		  == (SEC_LOAD | SEC_CODE | SEC_HAS_CONTENTS))
+	    	only_data_sections = FALSE;
+
 	      null_input_bfd = FALSE;
 	      break;
 	    }
 	}
-      if (null_input_bfd)
+
+      if (null_input_bfd || only_data_sections)
 	return TRUE;
     }