[binutils-gdb] Fix a bug in the s390x linker when discarding all inpuit files.

[Nick Clifton]

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=a4eba6087d4cec81f8b41477b4da56ff87b88e91

commit a4eba6087d4cec81f8b41477b4da56ff87b88e91
Author: Nick Clifton <nickc@redhat.com>
Date:   Thu Nov 19 17:36:24 2020 +0000

    Fix a bug in the s390x linker when discarding all inpuit files.
    
            PR 26918
            * elf64-s390.c (elf_s390_finish_dynamic_sections): Check for the
            existance of an sgot output section before setting the
            sh_entsize.

Diff:
---
 bfd/ChangeLog    | 7 +++++++
 bfd/elf64-s390.c | 5 +++--
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index a23da61653d..2aa89d01db8 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,10 @@
+2020-11-19  Nick Clifton  <nickc@redhat.com>
+
+	PR 26918
+	* elf64-s390.c (elf_s390_finish_dynamic_sections): Check for the
+	existance of an sgot output section before setting the
+	sh_entsize.
+
 2020-11-18  Jozef Lawrynowicz  <jozef.l@mittosystems.com>
 	H.J. Lu  <hongjiu.lu@intel.com>
 
diff --git a/bfd/elf64-s390.c b/bfd/elf64-s390.c
index 0522850a5d8..41b19bcd2ce 100644
--- a/bfd/elf64-s390.c
+++ b/bfd/elf64-s390.c
@@ -3547,8 +3547,9 @@ elf_s390_finish_dynamic_sections (bfd *output_bfd,
 	  bfd_put_64 (output_bfd, (bfd_vma) 0,
 		      htab->elf.hgot->root.u.def.section->contents + 16);
 	}
-      elf_section_data (htab->elf.sgot->output_section)
-	->this_hdr.sh_entsize = 8;
+      if (elf_section_data (htab->elf.splt->output_section) != NULL)
+	elf_section_data (htab->elf.sgot->output_section)
+	  ->this_hdr.sh_entsize = 8;
     }
 
   /* Finish dynamic symbol for local IFUNC symbols.  */