diff -rup binutils.orig/bfd/elf64-sparc.c binutils-2.29.1/bfd/elf64-sparc.c

--- binutils.orig/bfd/elf64-sparc.c	2017-12-07 17:23:06.764174312 +0000

+++ binutils-2.29.1/bfd/elf64-sparc.c	2017-12-07 17:23:20.540009839 +0000

@@ -287,6 +287,7 @@ elf64_sparc_set_reloc (bfd *abfd ATTRIBU

                        unsigned int count)

 {

   asect->orelocation = location;

+  asect->reloc_count = count / 2;

   canon_reloc_count (asect) = count;

 }

Only in binutils-2.29.1/bfd: elf64-sparc.c.orig

diff -rup binutils.orig/bfd/elfcode.h binutils-2.29.1/bfd/elfcode.h

--- binutils.orig/bfd/elfcode.h	2017-12-07 17:23:06.722174814 +0000

+++ binutils-2.29.1/bfd/elfcode.h	2017-12-07 17:23:20.541009827 +0000

@@ -958,6 +958,12 @@ elf_write_relocs (bfd *abfd, asection *s

 	  return;

 	}

+      if (ptr->howto == NULL)

+	{

+	  *failedp = TRUE;

+	  return;

+	}

+

       src_rela.r_offset = ptr->address + addr_offset;

       src_rela.r_info = ELF_R_INFO (n, ptr->howto->type);

       src_rela.r_addend = ptr->addend;

diff -rup binutils.orig/binutils/objcopy.c binutils-2.29.1/binutils/objcopy.c

--- binutils.orig/binutils/objcopy.c	2017-12-07 17:23:06.769174253 +0000

+++ binutils-2.29.1/binutils/objcopy.c	2017-12-07 17:23:20.542009815 +0000

@@ -3785,14 +3785,24 @@ copy_relocations_in_section (bfd *ibfd,

     }

   else

     {

-      relpp = (arelent **) xmalloc (relsize);

-      relcount = bfd_canonicalize_reloc (ibfd, isection, relpp, isympp);

-      if (relcount < 0)

+      if (isection->orelocation != NULL)

 	{

-	  status = 1;

-	  bfd_nonfatal_message (NULL, ibfd, isection,

-				_("relocation count is negative"));

-	  return;

+	  /* Some other function has already set up the output relocs

+	     for us, so scan those instead of the default relocs.  */

+	  relcount = isection->reloc_count;

+	  relpp = isection->orelocation;

+	}

+      else

+	{

+	  relpp = (arelent **) xmalloc (relsize);

+	  relcount = bfd_canonicalize_reloc (ibfd, isection, relpp, isympp);

+	  if (relcount < 0)

+	    {

+	      status = 1;

+	      bfd_nonfatal_message (NULL, ibfd, isection,

+				    _("relocation count is negative"));

+	      return;

+	    }

 	}

       if (strip_symbols == STRIP_ALL)

@@ -3815,7 +3825,8 @@ copy_relocations_in_section (bfd *ibfd,

 		  temp_relpp [temp_relcount++] = relpp [i];

 	    }

 	  relcount = temp_relcount;

-	  free (relpp);

+	  if (isection->orelocation == NULL)

+	    free (relpp);

 	  relpp = temp_relpp;

 	}