GNU strip fails to set sh_link and sh_info on Solaris SPARC64

The patch adds a missing elf64_sparc_copy_solaris_special_section_fields
function that enables to fill sh_link and sh_info fields in .SUNW_* sections.
Note that elf64_sparc_copy_solaris_special_section_fields is empty since
the default handling is currently sufficient for GNU strip command.

This is a followup patch of the following upstream commits:

commit 5522f910cb539905d6adfdceab208ddfa5e84557
Author: Nick Clifton <nickc@redhat.com>
Date:   Fri Apr 29 09:24:42 2016 +0100

    Enhance support for copying and stripping Solaris and ARM binaries.

commit 84865015459b4e9e8ac67f9b91617fbd856d5119
Author: Nick Clifton <nickc@redhat.com>
Date:   Thu Apr 14 12:04:09 2016 +0100

    Fix copying Solaris binaries with objcopy.

gdb/ChangeLog:

2021-03-01  Libor Bukata <libor.bukata@oracle.com>

        * bfd/elf64-sparc.c: Fix GNU strip on Solaris SPARC64.

diff --git a/bfd/elf64-sparc.c b/bfd/elf64-sparc.c
index e162f0d53d176c08204e6b3785adc65a26fbc00b..1d4521dfcaea5bd3bf8f056816c0d4f0ef2b36fa 100644 (file)
--- a/bfd/elf64-sparc.c
+++ b/bfd/elf64-sparc.c
@@ -1004,4 +1004,24 @@ const struct elf_size_info elf64_sparc_size_info =
 #undef elf_backend_static_tls_alignment
 #define elf_backend_static_tls_alignment       16
 
+#undef  elf_backend_strtab_flags
+#define elf_backend_strtab_flags       SHF_STRINGS
+
+static bfd_boolean
+elf64_sparc_copy_solaris_special_section_fields (const bfd *ibfd ATTRIBUTE_UNUSED,
+                                  bfd *obfd ATTRIBUTE_UNUSED,
+                                  const Elf_Internal_Shdr *isection ATTRIBUTE_UNUSED,
+                                  Elf_Internal_Shdr *osection ATTRIBUTE_UNUSED)
+{
+  /* PR 19938: FIXME: Need to add code for setting the sh_info
+     and sh_link fields of Solaris specific section types.  */
+  return FALSE;
+}
+
+#undef  elf_backend_copy_special_section_fields
+#define elf_backend_copy_special_section_fields elf64_sparc_copy_solaris_special_section_fields
+
 #include "elf64-target.h"
+
+#undef  elf_backend_strtab_flags
+#undef  elf_backend_copy_special_section_fields