(YY_NO_UNPUT): Define so that the yy_unput function is not declared. It is not

[deliverable/binutils-gdb.git] / bfd / elf32-m68k.c

diff --git a/bfd/elf32-m68k.c b/bfd/elf32-m68k.c
index a7696cd074496a5a1b6b9d7bbdea3da440627978..53ea5878ae65e3fae0d61e9aff1a0e4c0ef74091 100644 (file)
--- a/bfd/elf32-m68k.c
+++ b/bfd/elf32-m68k.c
@@ -1,6 +1,6 @@
 /* Motorola 68k series support for 32-bit ELF
    Copyright 1993, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
-   2004 Free Software Foundation, Inc.
+   2004, 2005 Free Software Foundation, Inc.
 
    This file is part of BFD, the Binary File Descriptor library.
 
@@ -835,7 +835,16 @@ elf_m68k_gc_sweep_hook (abfd, info, sec, relocs)
   for (rel = relocs; rel < relend; rel++)
     {
       unsigned long r_symndx;
-      struct elf_link_hash_entry *h;
+      struct elf_link_hash_entry *h = NULL;
+
+      r_symndx = ELF32_R_SYM (rel->r_info);
+      if (r_symndx >= symtab_hdr->sh_info)
+       {
+         h = sym_hashes[r_symndx - symtab_hdr->sh_info];
+         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;
+       }
 
       switch (ELF32_R_TYPE (rel->r_info))
        {
@@ -845,10 +854,8 @@ elf_m68k_gc_sweep_hook (abfd, info, sec, relocs)
        case R_68K_GOT8O:
        case R_68K_GOT16O:
        case R_68K_GOT32O:
-         r_symndx = ELF32_R_SYM (rel->r_info);
-         if (r_symndx >= symtab_hdr->sh_info)
+         if (h != NULL)
            {
-             h = sym_hashes[r_symndx - symtab_hdr->sh_info];
              if (h->got.refcount > 0)
                {
                  --h->got.refcount;
@@ -888,10 +895,8 @@ elf_m68k_gc_sweep_hook (abfd, info, sec, relocs)
        case R_68K_8:
        case R_68K_16:
        case R_68K_32:
-         r_symndx = ELF32_R_SYM (rel->r_info);
-         if (r_symndx >= symtab_hdr->sh_info)
+         if (h != NULL)
            {
-             h = sym_hashes[r_symndx - symtab_hdr->sh_info];
              if (h->plt.refcount > 0)
                --h->plt.refcount;
            }
@@ -925,7 +930,7 @@ elf_m68k_adjust_dynamic_symbol (info, h)
   /* Make sure we know what is going on here.  */
   BFD_ASSERT (dynobj != NULL
              && (h->needs_plt
-                 || h->weakdef != NULL
+                 || h->u.weakdef != NULL
                  || (h->def_dynamic
                      && h->ref_regular
                      && !h->def_regular)));
@@ -936,9 +941,10 @@ elf_m68k_adjust_dynamic_symbol (info, h)
   if (h->type == STT_FUNC
       || h->needs_plt)
     {
-      if (! info->shared
-         && !h->def_dynamic
-         && !h->ref_dynamic
+      if ((h->plt.refcount <= 0
+           || SYMBOL_CALLS_LOCAL (info, h)
+          || (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
+              && h->root.type == bfd_link_hash_undefweak))
          /* We must always create the plt entry if it was referenced
             by a PLTxxO relocation.  In this case we already recorded
             it as a dynamic symbol.  */
@@ -946,19 +952,11 @@ elf_m68k_adjust_dynamic_symbol (info, h)
        {
          /* This case can occur if we saw a PLTxx reloc in an input
             file, but the symbol was never referred to by a dynamic
-            object.  In such a case, we don't actually need to build
-            a procedure linkage table, and we can just do a PCxx
-            reloc instead.  */
-         BFD_ASSERT (h->needs_plt);
+            object, or if all references were garbage collected.  In
+            such a case, we don't actually need to build a procedure
+            linkage table, and we can just do a PCxx reloc instead.  */
          h->plt.offset = (bfd_vma) -1;
-         return TRUE;
-       }
-
-      /* GC may have rendered this entry unused.  */
-      if (h->plt.refcount <= 0)
-       {
          h->needs_plt = 0;
-         h->plt.offset = (bfd_vma) -1;
          return TRUE;
        }
 
@@ -1024,12 +1022,12 @@ elf_m68k_adjust_dynamic_symbol (info, h)
   /* If this is a weak symbol, and there is a real definition, the
      processor independent code will have arranged for us to see the
      real definition first, and we can just use the same value.  */
-  if (h->weakdef != NULL)
+  if (h->u.weakdef != NULL)
     {
-      BFD_ASSERT (h->weakdef->root.type == bfd_link_hash_defined
-                 || h->weakdef->root.type == bfd_link_hash_defweak);
-      h->root.u.def.section = h->weakdef->root.u.def.section;
-      h->root.u.def.value = h->weakdef->root.u.def.value;
+      BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined
+                 || h->u.weakdef->root.type == bfd_link_hash_defweak);
+      h->root.u.def.section = h->u.weakdef->root.u.def.section;
+      h->root.u.def.value = h->u.weakdef->root.u.def.value;
       return TRUE;
     }
 
@@ -1731,8 +1729,9 @@ elf_m68k_relocate_section (output_bfd, info, input_bfd, input_section,
          if (r == bfd_reloc_overflow)
            {
              if (!(info->callbacks->reloc_overflow
-                   (info, name, howto->name, (bfd_vma) 0,
-                    input_bfd, input_section, rel->r_offset)))
+                   (info, (h ? &h->root : NULL), name, howto->name,
+                    (bfd_vma) 0, input_bfd, input_section,
+                    rel->r_offset)))
                return FALSE;
            }
          else
@@ -2207,6 +2206,18 @@ elf32_m68k_reloc_type_class (rela)
     }
 }
 
+/* Return address for Ith PLT stub in section PLT, for relocation REL
+   or (bfd_vma) -1 if it should not be included.  */
+
+static bfd_vma
+elf_m68k_plt_sym_val (bfd_vma i, const asection *plt,
+                     const arelent *rel ATTRIBUTE_UNUSED)
+{
+  if (CPU32_FLAG (plt->owner))
+    return plt->vma + (i + 1) * PLT_CPU32_ENTRY_SIZE;
+  return plt->vma + (i + 1) * PLT_ENTRY_SIZE;
+}
+
 #define TARGET_BIG_SYM                 bfd_elf32_m68k_vec
 #define TARGET_BIG_NAME                        "elf32-m68k"
 #define ELF_MACHINE_CODE               EM_68K
@@ -2236,6 +2247,7 @@ elf32_m68k_reloc_type_class (rela)
 #define bfd_elf32_bfd_print_private_bfd_data \
                                         elf32_m68k_print_private_bfd_data
 #define elf_backend_reloc_type_class   elf32_m68k_reloc_type_class
+#define elf_backend_plt_sym_val                elf_m68k_plt_sym_val
 
 #define elf_backend_can_gc_sections 1
 #define elf_backend_can_refcount 1