2000-11-05 Philip Blundell <philb@gnu.org>

	* elf32-arm.h (elf32_arm_merge_private_bfd_data): Always permit
	BFDs containing no sections to be merged, regardless of their flags.

2000-11-04  Philip Blundell  <philb@gnu.org>

	* elf32-arm.h (elf32_arm_relocate_section): Suppress error message
	if a relocation for an undefined symbol also results in an
	overflow.

diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 9eb0ad829995456745d376159b47f4c0a8d0a8c0..e661114f3a6a59baf97e2261b0b75b76c935bbe0 100644 (file)
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,14 @@
+2000-11-05  Philip Blundell  <philb@gnu.org>
+
+       * elf32-arm.h (elf32_arm_merge_private_bfd_data): Always permit
+       BFDs containing no sections to be merged, regardless of their flags.
+
+2000-11-04  Philip Blundell  <philb@gnu.org>
+
+       * elf32-arm.h (elf32_arm_relocate_section): Suppress error message
+       if a relocation for an undefined symbol also results in an
+       overflow.
+
 Mon Nov  6 13:35:07 2000  Christopher Faylor <cgf@cygnus.com>
 
        * config.bfd: Add support for Sun Chorus.

diff --git a/bfd/elf32-arm.h b/bfd/elf32-arm.h
index 64c11251865eb1840ceb19a5f857227e06f7b543..7bd0cceab2b54aa39cd99312f0f34fad7ffc329b 100644 (file)
--- a/bfd/elf32-arm.h
+++ b/bfd/elf32-arm.h
@@ -1907,10 +1907,15 @@ elf32_arm_relocate_section (output_bfd, info, input_bfd, input_section,
          switch (r)
            {
            case bfd_reloc_overflow:
-             if (!((*info->callbacks->reloc_overflow)
-                   (info, name, howto->name, (bfd_vma) 0,
-                    input_bfd, input_section, rel->r_offset)))
-               return false;
+             /* If the overflowing reloc was to an undefined symbol,
+                we have already printed one error message and there
+                is no point complaining again.  */
+             if ((! h ||
+                  h->root.type != bfd_link_hash_undefined)
+                 && (!((*info->callbacks->reloc_overflow)
+                       (info, name, howto->name, (bfd_vma) 0,
+                        input_bfd, input_section, rel->r_offset))))
+                 return false;
              break;
 
            case bfd_reloc_undefined:
@@ -2042,6 +2047,8 @@ elf32_arm_merge_private_bfd_data (ibfd, obfd)
   flagword out_flags;
   flagword in_flags;
   boolean flags_compatible = true;
+  boolean null_input_bfd = true;
+  asection *sec;
 
   /* Check if we have the same endianess.  */
   if (_bfd_generic_verify_endian_match (ibfd, obfd) == false)
@@ -2086,6 +2093,22 @@ elf32_arm_merge_private_bfd_data (ibfd, obfd)
   if (in_flags == out_flags)
     return true;
 
+  /* Check to see if the input BFD actually contains any sections.
+     If not, its flags may not have been initialised either, but it cannot
+     actually cause any incompatibility.  */
+  for (sec = ibfd->sections; sec != NULL; sec = sec->next)
+    {
+      /* Ignore synthetic glue sections.  */
+      if (strcmp (sec->name, ".glue_7")
+         && strcmp (sec->name, ".glue_7t"))
+       {
+         null_input_bfd = false;
+         break;
+       }
+    }
+  if (null_input_bfd)
+    return true;
+
   /* Complain about various flag mismatches.  */
   if (EF_ARM_EABI_VERSION (in_flags) != EF_ARM_EABI_VERSION (out_flags))
     {