dynrelro section for read-only dynamic symbols copied into executable

[deliverable/binutils-gdb.git] / bfd / elf32-hppa.c

diff --git a/bfd/elf32-hppa.c b/bfd/elf32-hppa.c
index 3ce4b928f50c64508faeaa79b21f4b99e5c1b37a..cbe42cfde9f0e7d82b3337b40e0a552a11a42eb6 100644 (file)
--- a/bfd/elf32-hppa.c
+++ b/bfd/elf32-hppa.c
@@ -1793,7 +1793,7 @@ elf32_hppa_adjust_dynamic_symbol (struct bfd_link_info *info,
                                  struct elf_link_hash_entry *eh)
 {
   struct elf32_hppa_link_hash_table *htab;
-  asection *sec;
+  asection *sec, *srel;
 
   /* If this is a function, put it in the procedure linkage table.  We
      will fill in the contents of the procedure linkage table later.  */
@@ -1899,14 +1899,22 @@ elf32_hppa_adjust_dynamic_symbol (struct bfd_link_info *info,
   /* We must generate a COPY reloc to tell the dynamic linker to
      copy the initial value out of the dynamic object and into the
      runtime process image.  */
+  if ((eh->root.u.def.section->flags & SEC_READONLY) != 0)
+    {
+      sec = htab->etab.sdynrelro;
+      srel = htab->etab.sreldynrelro;
+    }
+  else
+    {
+      sec = htab->etab.sdynbss;
+      srel = htab->etab.srelbss;
+    }
   if ((eh->root.u.def.section->flags & SEC_ALLOC) != 0 && eh->size != 0)
     {
-      htab->etab.srelbss->size += sizeof (Elf32_External_Rela);
+      srel->size += sizeof (Elf32_External_Rela);
       eh->needs_copy = 1;
     }
 
-  sec = htab->etab.sdynbss;
-
   return _bfd_elf_adjust_dynamic_copy (info, eh, sec);
 }
 
@@ -2374,7 +2382,8 @@ elf32_hppa_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
            }
        }
       else if (sec == htab->etab.sgot
-              || sec == htab->etab.sdynbss)
+              || sec == htab->etab.sdynbss
+              || sec == htab->etab.sdynrelro)
        ;
       else if (CONST_STRNEQ (bfd_get_section_name (dynobj, sec), ".rela"))
        {
@@ -4427,13 +4436,15 @@ elf32_hppa_finish_dynamic_symbol (bfd *output_bfd,
                 || eh->root.type == bfd_link_hash_defweak)))
        abort ();
 
-      sec = htab->etab.srelbss;
-
       rela.r_offset = (eh->root.u.def.value
                      + eh->root.u.def.section->output_offset
                      + eh->root.u.def.section->output_section->vma);
       rela.r_addend = 0;
       rela.r_info = ELF32_R_INFO (eh->dynindx, R_PARISC_COPY);
+      if ((eh->root.u.def.section->flags & SEC_READONLY) != 0)
+       sec = htab->etab.sreldynrelro;
+      else
+       sec = htab->etab.srelbss;
       loc = sec->contents + sec->reloc_count++ * sizeof (Elf32_External_Rela);
       bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
     }
@@ -4641,6 +4652,7 @@ elf32_hppa_elf_get_symbol_type (Elf_Internal_Sym *elf_sym, int type)
 #define elf_backend_plt_readonly            0
 #define elf_backend_want_plt_sym            0
 #define elf_backend_got_header_size         8
+#define elf_backend_want_dynrelro           1
 #define elf_backend_rela_normal                     1
 #define elf_backend_dtrel_excludes_plt      1