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[platform/upstream/binutils.git] / bfd / elf32-m68k.c

diff --git a/bfd/elf32-m68k.c b/bfd/elf32-m68k.c
index 6946841..0058da4 100644 (file)
--- a/bfd/elf32-m68k.c
+++ b/bfd/elf32-m68k.c
@@ -1,7 +1,5 @@
 /* Motorola 68k series support for 32-bit ELF
-   Copyright 1993, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
-   2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
-   Free Software Foundation, Inc.
+   Copyright (C) 1993-2014 Free Software Foundation, Inc.
 
    This file is part of BFD, the Binary File Descriptor library.
 
@@ -942,6 +940,23 @@ elf_m68k_link_hash_newfunc (struct bfd_hash_entry *entry,
   return ret;
 }
 
+/* Destroy an m68k ELF linker hash table.  */
+
+static void
+elf_m68k_link_hash_table_free (bfd *obfd)
+{
+  struct elf_m68k_link_hash_table *htab;
+
+  htab = (struct elf_m68k_link_hash_table *) obfd->link.hash;
+
+  if (htab->multi_got_.bfd2got != NULL)
+    {
+      htab_delete (htab->multi_got_.bfd2got);
+      htab->multi_got_.bfd2got = NULL;
+    }
+  _bfd_elf_link_hash_table_free (obfd);
+}
+
 /* Create an m68k ELF linker hash table.  */
 
 static struct bfd_link_hash_table *
@@ -950,7 +965,7 @@ elf_m68k_link_hash_table_create (bfd *abfd)
   struct elf_m68k_link_hash_table *ret;
   bfd_size_type amt = sizeof (struct elf_m68k_link_hash_table);
 
-  ret = (struct elf_m68k_link_hash_table *) bfd_malloc (amt);
+  ret = (struct elf_m68k_link_hash_table *) bfd_zmalloc (amt);
   if (ret == (struct elf_m68k_link_hash_table *) NULL)
     return NULL;
 
@@ -962,34 +977,13 @@ elf_m68k_link_hash_table_create (bfd *abfd)
       free (ret);
       return NULL;
     }
+  ret->root.root.hash_table_free = elf_m68k_link_hash_table_free;
 
-  ret->sym_cache.abfd = NULL;
-  ret->plt_info = NULL;
-  ret->local_gp_p = FALSE;
-  ret->use_neg_got_offsets_p = FALSE;
-  ret->allow_multigot_p = FALSE;
-  ret->multi_got_.bfd2got = NULL;
   ret->multi_got_.global_symndx = 1;
 
   return &ret->root.root;
 }
 
-/* Destruct local data.  */
-
-static void
-elf_m68k_link_hash_table_free (struct bfd_link_hash_table *_htab)
-{
-  struct elf_m68k_link_hash_table *htab;
-
-  htab = (struct elf_m68k_link_hash_table *) _htab;
-
-  if (htab->multi_got_.bfd2got != NULL)
-    {
-      htab_delete (htab->multi_got_.bfd2got);
-      htab->multi_got_.bfd2got = NULL;
-    }
-}
-
 /* Set the right machine number.  */
 
 static bfd_boolean
@@ -2589,6 +2583,10 @@ elf_m68k_check_relocs (bfd *abfd,
          while (h->root.type == bfd_link_hash_indirect
                 || h->root.type == bfd_link_hash_warning)
            h = (struct elf_link_hash_entry *) h->root.u.i.link;
+
+         /* PR15323, ref flags aren't set for references in the same
+            object.  */
+         h->root.non_ir_ref = 1;
        }
 
       switch (ELF32_R_TYPE (rel->r_info))
@@ -3368,7 +3366,7 @@ elf_m68k_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
 #define add_dynamic_entry(TAG, VAL) \
   _bfd_elf_add_dynamic_entry (info, TAG, VAL)
 
-      if (!info->shared)
+      if (info->executable)
        {
          if (!add_dynamic_entry (DT_DEBUG, 0))
            return FALSE;
@@ -3670,12 +3668,12 @@ elf_m68k_relocate_section (bfd *output_bfd,
        }
       else
        {
-         bfd_boolean warned;
+         bfd_boolean warned, ignored;
 
          RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
                                   r_symndx, symtab_hdr, sym_hashes,
                                   h, sec, relocation,
-                                  unresolved_reloc, warned);
+                                  unresolved_reloc, warned, ignored);
        }
 
       if (sec != NULL && discarded_section (sec))
@@ -4742,7 +4740,9 @@ bfd_elf_m68k_set_target_options (struct bfd_link_info *info, int got_handling)
 }
 
 static enum elf_reloc_type_class
-elf32_m68k_reloc_type_class (const Elf_Internal_Rela *rela)
+elf32_m68k_reloc_type_class (const struct bfd_link_info *info ATTRIBUTE_UNUSED,
+                            const asection *rel_sec ATTRIBUTE_UNUSED,
+                            const Elf_Internal_Rela *rela)
 {
   switch ((int) ELF32_R_TYPE (rela->r_info))
     {
@@ -4782,10 +4782,10 @@ elf_m68k_grok_prstatus (bfd *abfd, Elf_Internal_Note *note)
 
     case 154:          /* Linux/m68k */
       /* pr_cursig */
-      elf_tdata (abfd)->core_signal = bfd_get_16 (abfd, note->descdata + 12);
+      elf_tdata (abfd)->core->signal = bfd_get_16 (abfd, note->descdata + 12);
 
       /* pr_pid */
-      elf_tdata (abfd)->core_lwpid = bfd_get_32 (abfd, note->descdata + 22);
+      elf_tdata (abfd)->core->lwpid = bfd_get_32 (abfd, note->descdata + 22);
 
       /* pr_reg */
       offset = 70;
@@ -4808,11 +4808,11 @@ elf_m68k_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)
       return FALSE;
 
     case 124:          /* Linux/m68k elf_prpsinfo.  */
-      elf_tdata (abfd)->core_pid
+      elf_tdata (abfd)->core->pid
        = bfd_get_32 (abfd, note->descdata + 12);
-      elf_tdata (abfd)->core_program
+      elf_tdata (abfd)->core->program
        = _bfd_elfcore_strndup (abfd, note->descdata + 28, 16);
-      elf_tdata (abfd)->core_command
+      elf_tdata (abfd)->core->command
        = _bfd_elfcore_strndup (abfd, note->descdata + 44, 80);
     }
 
@@ -4820,7 +4820,7 @@ elf_m68k_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)
      onto the end of the args in some (at least one anyway)
      implementations, so strip it off if it exists.  */
   {
-    char *command = elf_tdata (abfd)->core_command;
+    char *command = elf_tdata (abfd)->core->command;
     int n = strlen (command);
 
     if (n > 0 && command[n - 1] == ' ')
@@ -4830,7 +4830,28 @@ elf_m68k_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)
   return TRUE;
 }
 
-#define TARGET_BIG_SYM                 bfd_elf32_m68k_vec
+/* Hook called by the linker routine which adds symbols from an object
+   file.  */
+
+static bfd_boolean
+elf_m68k_add_symbol_hook (bfd *abfd,
+                         struct bfd_link_info *info,
+                         Elf_Internal_Sym *sym,
+                         const char **namep ATTRIBUTE_UNUSED,
+                         flagword *flagsp ATTRIBUTE_UNUSED,
+                         asection **secp ATTRIBUTE_UNUSED,
+                         bfd_vma *valp ATTRIBUTE_UNUSED)
+{
+  if ((ELF_ST_TYPE (sym->st_info) == STT_GNU_IFUNC
+       || ELF_ST_BIND (sym->st_info) == STB_GNU_UNIQUE)
+      && (abfd->flags & DYNAMIC) == 0
+      && bfd_get_flavour (info->output_bfd) == bfd_target_elf_flavour)
+    elf_tdata (info->output_bfd)->has_gnu_symbols = TRUE;
+
+  return TRUE;
+}
+
+#define TARGET_BIG_SYM                 m68k_elf32_vec
 #define TARGET_BIG_NAME                        "elf32-m68k"
 #define ELF_MACHINE_CODE               EM_68K
 #define ELF_MAXPAGESIZE                        0x2000
@@ -4838,9 +4859,6 @@ elf_m68k_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)
                                        _bfd_elf_create_dynamic_sections
 #define bfd_elf32_bfd_link_hash_table_create \
                                        elf_m68k_link_hash_table_create
-/* ??? Should it be this macro or bfd_elfNN_bfd_link_hash_table_create?  */
-#define bfd_elf32_bfd_link_hash_table_free \
-                                       elf_m68k_link_hash_table_free
 #define bfd_elf32_bfd_final_link       bfd_elf_final_link
 
 #define elf_backend_check_relocs       elf_m68k_check_relocs
@@ -4871,6 +4889,7 @@ elf_m68k_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)
 #define elf_backend_object_p           elf32_m68k_object_p
 #define elf_backend_grok_prstatus      elf_m68k_grok_prstatus
 #define elf_backend_grok_psinfo                elf_m68k_grok_psinfo
+#define elf_backend_add_symbol_hook    elf_m68k_add_symbol_hook
 
 #define elf_backend_can_gc_sections 1
 #define elf_backend_can_refcount 1