gdb: add target_ops::supports_displaced_step

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

diff --git a/bfd/elf32-csky.c b/bfd/elf32-csky.c
index 8415f7c5ec875a50501eac78b52de6cd1feff6f5..43828beed03296c5847729a45a2f531a60d612ed 100644 (file)
--- a/bfd/elf32-csky.c
+++ b/bfd/elf32-csky.c
@@ -1163,8 +1163,6 @@ struct csky_elf_link_hash_entry
   int plt_refcount;
   /* For sub jsri2bsr relocs count.  */
   int jsri2bsr_refcount;
-  /* Track dynamic relocs copied for this symbol.  */
-  struct elf_dyn_relocs *dyn_relocs;
 
 #define GOT_UNKNOWN     0
 #define GOT_NORMAL      1
@@ -1429,7 +1427,6 @@ csky_elf_link_hash_newfunc (struct bfd_hash_entry * entry,
       struct csky_elf_link_hash_entry *eh;
 
       eh = (struct csky_elf_link_hash_entry *) ret;
-      eh->dyn_relocs = NULL;
       eh->plt_refcount = 0;
       eh->jsri2bsr_refcount = 0;
       eh->tls_type = GOT_NORMAL;
@@ -1804,7 +1801,7 @@ csky_allocate_dynrelocs (struct elf_link_hash_entry *h, PTR inf)
     h->got.offset = (bfd_vma) -1;
 
   eh = (struct csky_elf_link_hash_entry *) h;
-  if (eh->dyn_relocs == NULL)
+  if (h->dyn_relocs == NULL)
     return TRUE;
 
   /* In the shared -Bsymbolic case, discard space allocated for
@@ -1819,7 +1816,7 @@ csky_allocate_dynrelocs (struct elf_link_hash_entry *h, PTR inf)
        {
          struct elf_dyn_relocs **pp;
 
-         for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
+         for (pp = &h->dyn_relocs; (p = *pp) != NULL; )
            {
              p->count -= p->pc_count;
              p->pc_count = 0;
@@ -1832,17 +1829,17 @@ csky_allocate_dynrelocs (struct elf_link_hash_entry *h, PTR inf)
 
       if (eh->jsri2bsr_refcount
          && h->root.type == bfd_link_hash_defined
-         && eh->dyn_relocs != NULL)
-       eh->dyn_relocs->count -= eh->jsri2bsr_refcount;
+         && h->dyn_relocs != NULL)
+       h->dyn_relocs->count -= eh->jsri2bsr_refcount;
 
       /* Also discard relocs on undefined weak syms with non-default
         visibility.  */
-      if (eh->dyn_relocs != NULL
+      if (h->dyn_relocs != NULL
          && h->root.type == bfd_link_hash_undefweak)
        {
          if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
              || UNDEFWEAK_NO_DYNAMIC_RELOC (info, h))
-           eh->dyn_relocs = NULL;
+           h->dyn_relocs = NULL;
 
          /* Make sure undefined weak symbols are output as a dynamic
             symbol in PIEs.  */
@@ -1881,13 +1878,13 @@ csky_allocate_dynrelocs (struct elf_link_hash_entry *h, PTR inf)
            goto keep;
        }
 
-      eh->dyn_relocs = NULL;
+      h->dyn_relocs = NULL;
 
       keep: ;
     }
 
   /* Finally, allocate space.  */
-  for (p = eh->dyn_relocs; p != NULL; p = p->next)
+  for (p = h->dyn_relocs; p != NULL; p = p->next)
     {
       asection *srelgot = htab->elf.srelgot;
       srelgot->size += p->count * sizeof (Elf32_External_Rela);
@@ -1896,48 +1893,6 @@ csky_allocate_dynrelocs (struct elf_link_hash_entry *h, PTR inf)
   return TRUE;
 }
 
-static asection *
-readonly_dynrelocs (struct elf_link_hash_entry *h)
-{
-  struct elf_dyn_relocs *p;
-
-  for (p = csky_elf_hash_entry (h)->dyn_relocs; p != NULL; p = p->next)
-    {
-      asection *s = p->sec->output_section;
-
-      if (s != NULL && (s->flags & SEC_READONLY) != 0)
-       return p->sec;
-    }
-  return NULL;
-}
-
-/* Set DF_TEXTREL if we find any dynamic relocs that apply to
-   read-only sections.  */
-
-static bfd_boolean
-maybe_set_textrel (struct elf_link_hash_entry *h, void *info_p)
-{
-  asection *sec;
-
-  if (h->root.type == bfd_link_hash_indirect)
-    return TRUE;
-
-  sec = readonly_dynrelocs (h);
-  if (sec != NULL)
-    {
-      struct bfd_link_info *info = (struct bfd_link_info *) info_p;
-
-      info->flags |= DF_TEXTREL;
-      info->callbacks->minfo
-       (_("%pB: dynamic relocation against `%pT' in read-only section `%pA'\n"),
-        sec->owner, h->root.root.string, sec);
-
-      /* Not an error, just cut short the traversal.  */
-      return FALSE;
-    }
-  return TRUE;
-}
-
 /* Set the sizes of the dynamic sections.  */
 
 static bfd_boolean
@@ -2170,7 +2125,8 @@ csky_elf_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
          /* If any dynamic relocs apply to a read-only section,
             then we need a DT_TEXTREL entry.  */
          if ((info->flags & DF_TEXTREL) == 0)
-           elf_link_hash_traverse (&htab->elf, maybe_set_textrel, info);
+           elf_link_hash_traverse (&htab->elf,
+                                   _bfd_elf_maybe_set_textrel, info);
 
          if ((info->flags & DF_TEXTREL) != 0
              && !add_dynamic_entry (DT_TEXTREL, 0))
@@ -2465,35 +2421,6 @@ csky_elf_copy_indirect_symbol (struct bfd_link_info *info,
   edir = (struct csky_elf_link_hash_entry *) dir;
   eind = (struct csky_elf_link_hash_entry *) ind;
 
-  if (eind->dyn_relocs != NULL)
-    {
-      if (edir->dyn_relocs != NULL)
-       {
-         struct elf_dyn_relocs **pp;
-         struct elf_dyn_relocs *p;
-
-         /* Add reloc counts against the indirect sym to the direct sym
-            list.  Merge any entries against the same section.  */
-         for (pp = &eind->dyn_relocs; (p = *pp) != NULL; )
-           {
-             struct elf_dyn_relocs *q;
-
-             for (q = edir->dyn_relocs; q != NULL; q = q->next)
-               if (q->sec == p->sec)
-                 {
-                   q->pc_count += p->pc_count;
-                   q->count += p->count;
-                   *pp = p->next;
-                   break;
-                 }
-             if (q == NULL)
-               pp = &p->next;
-           }
-         *pp = edir->dyn_relocs;
-       }
-      edir->dyn_relocs = eind->dyn_relocs;
-      eind->dyn_relocs = NULL;
-    }
   if (ind->root.type == bfd_link_hash_indirect
       && dir->got.refcount <= 0)
     {
@@ -2687,7 +2614,7 @@ csky_elf_check_relocs (bfd * abfd,
                      || (ELF32_R_TYPE (rel->r_info)
                          == R_CKCORE_PCREL_JSR_IMM11BY2))
                    eh->jsri2bsr_refcount += 1;
-                 head = &eh->dyn_relocs;
+                 head = &h->dyn_relocs;
                }
              else
                {
@@ -3625,12 +3552,9 @@ csky_build_one_stub (struct bfd_hash_entry *gen_entry,
      section.  The user should fix his linker script.  */
   if (stub_entry->target_section->output_section == NULL
       && info->non_contiguous_regions)
-    {
-      _bfd_error_handler (_("Could not assign '%pA' to an output section. "
-                           "Retry without --enable-non-contiguous-regions.\n"),
-                         stub_entry->target_section);
-      abort();
-    }
+    info->callbacks->einfo (_("%F%P: Could not assign '%pA' to an output section. "
+                             "Retry without --enable-non-contiguous-regions.\n"),
+                           stub_entry->target_section);
 
   globals = csky_elf_hash_table (info);
   if (globals == NULL)