gdb: add target_ops::supports_displaced_step

[deliverable/binutils-gdb.git] / bfd / arc-got.h

diff --git a/bfd/arc-got.h b/bfd/arc-got.h
index a86061bcb38f32a33cddb4b0531863c00d7851fc..762d84dab09672f33893bed692eda8cb1ee6ff60 100644 (file)
--- a/bfd/arc-got.h
+++ b/bfd/arc-got.h
@@ -1,5 +1,5 @@
 /* ARC-specific support for 32-bit ELF
-   Copyright (C) 1994-2018 Free Software Foundation, Inc.
+   Copyright (C) 1994-2020 Free Software Foundation, Inc.
    Contributed by Cupertino Miranda (cmiranda@synopsys.com).
 
    This file is part of BFD, the Binary File Descriptor library.
@@ -24,6 +24,9 @@
 
 #define TCB_SIZE (8)
 
+#define        align_power(addr, align)        \
+  (((addr) + ((bfd_vma) 1 << (align)) - 1) & (-((bfd_vma) 1 << (align))))
+
 enum tls_type_e
 {
   GOT_UNKNOWN = 0,
@@ -51,27 +54,26 @@ struct got_entry
   enum tls_got_entries existing_entries;
 };
 
+/* Return the local got list, if not defined, create an empty one.  */
+
 static struct got_entry **
 arc_get_local_got_ents (bfd * abfd)
 {
-  static struct got_entry **local_got_ents = NULL;
-
-  if (local_got_ents == NULL)
+  if (elf_local_got_ents (abfd) == NULL)
     {
-      size_t      size;
-      Elf_Internal_Shdr *symtab_hdr = &((elf_tdata (abfd))->symtab_hdr);
-
-      size = symtab_hdr->sh_info * sizeof (bfd_vma);
-      local_got_ents = (struct got_entry **)
-       bfd_alloc (abfd, sizeof (struct got_entry *) * size);
-      if (local_got_ents == NULL)
-       return FALSE;
-
-      memset (local_got_ents, 0, sizeof (struct got_entry *) * size);
-      elf_local_got_ents (abfd) = local_got_ents;
+      bfd_size_type amt = (elf_tdata (abfd)->symtab_hdr.sh_info
+                          * sizeof (*elf_local_got_ents (abfd)));
+      elf_local_got_ents (abfd) = bfd_zmalloc (amt);
+      if (elf_local_got_ents (abfd) == NULL)
+       {
+         _bfd_error_handler (_("%pB: cannot allocate memory for local "
+                               "GOT entries"), abfd);
+         bfd_set_error (bfd_error_bad_value);
+         return NULL;
+       }
     }
 
-  return local_got_ents;
+  return elf_local_got_ents (abfd);
 }
 
 static struct got_entry *
@@ -156,15 +158,15 @@ get_got_entry_list_for_symbol (bfd *abfd,
                               unsigned long r_symndx,
                               struct elf_link_hash_entry *h)
 {
-  if (h != NULL)
+  struct elf_arc_link_hash_entry *h1 =
+    ((struct elf_arc_link_hash_entry *) h);
+  if (h1 != NULL)
     {
-      return &h->got.glist;
+      return &h1->got_ents;
     }
   else
     {
-      struct got_entry **local_got_ents
-       = arc_get_local_got_ents (abfd);
-      return &local_got_ents[r_symndx];
+      return arc_get_local_got_ents (abfd) + r_symndx;
     }
 }
 
@@ -206,7 +208,7 @@ arc_got_entry_type_for_reloc (reloc_howto_type *howto)
                     __LINE__, name_for_global_symbol (H));             \
       }                                                                        \
     if (H)                                                             \
-      if (h->dynindx == -1 && !h->forced_local)                                \
+      if (H->dynindx == -1 && !H->forced_local)                                \
        if (! bfd_elf_link_record_dynamic_symbol (info, H))             \
          return FALSE;                                                 \
      htab->s##SECNAME->size += 4;                                      \
@@ -282,6 +284,7 @@ relocate_fix_got_relocs_for_got_info (struct got_entry **      list_p,
   BFD_ASSERT (entry);
 
   if (h == NULL
+      || h->forced_local == TRUE
       || (! elf_hash_table (info)->dynamic_sections_created
          || (bfd_link_pic (info)
              && SYMBOL_REFERENCES_LOCAL (info, h))))
@@ -329,23 +332,31 @@ relocate_fix_got_relocs_for_got_info (struct got_entry **    list_p,
                BFD_ASSERT (tls_sec && tls_sec->output_section);
                bfd_vma sec_vma = tls_sec->output_section->vma;
 
-               bfd_put_32 (output_bfd,
-                           sym_value - sec_vma,
+               if (h == NULL || h->forced_local
+                  || !elf_hash_table (info)->dynamic_sections_created)
+                 {
+                   bfd_put_32 (output_bfd,
+                           sym_value - sec_vma
+                           + (elf_hash_table (info)->dynamic_sections_created
+                              ? 0
+                              : (align_power (0,
+                                              tls_sec->alignment_power))),
                            htab->sgot->contents + entry->offset
                            + (entry->existing_entries == TLS_GOT_MOD_AND_OFF
                               ? 4 : 0));
 
-               ARC_DEBUG ("arc_info: FIXED -> %s value = %#lx "
-                          "@ %lx, for symbol %s\n",
-                          (entry->type == GOT_TLS_GD ? "GOT_TLS_GD" :
-                           "GOT_TLS_IE"),
-                          (long) (sym_value - sec_vma),
-                          (long) (htab->sgot->output_section->vma
-                             + htab->sgot->output_offset->vma
-                             + entry->offset
-                             + (entry->existing_entries == TLS_GOT_MOD_AND_OFF
-                                ? 4 : 0)),
-                          symbol_name);
+                   ARC_DEBUG ("arc_info: FIXED -> %s value = %#lx "
+                         "@ %lx, for symbol %s\n",
+                         (entry->type == GOT_TLS_GD ? "GOT_TLS_GD" :
+                          "GOT_TLS_IE"),
+                         (long) (sym_value - sec_vma),
+                         (long) (htab->sgot->output_section->vma
+                            + htab->sgot->output_offset
+                            + entry->offset
+                            + (entry->existing_entries == TLS_GOT_MOD_AND_OFF
+                               ? 4 : 0)),
+                         symbol_name);
+                 }
              }
              break;
 
@@ -357,7 +368,10 @@ relocate_fix_got_relocs_for_got_info (struct got_entry **     list_p,
 
                bfd_put_32 (output_bfd,
                            sym_value - sec_vma
-                           + (elf_hash_table (info)->dynamic_sections_created ? 0 : TCB_SIZE),
+                           + (elf_hash_table (info)->dynamic_sections_created
+                              ? 0
+                              : (align_power (TCB_SIZE,
+                                              tls_sec->alignment_power))),
                            htab->sgot->contents + entry->offset
                            + (entry->existing_entries == TLS_GOT_MOD_AND_OFF
                               ? 4 : 0));
@@ -368,7 +382,7 @@ relocate_fix_got_relocs_for_got_info (struct got_entry **      list_p,
                            "GOT_TLS_IE"),
                           (long) (sym_value - sec_vma),
                           (long) (htab->sgot->output_section->vma
-                             + htab->sgot->output_offset->vma
+                             + htab->sgot->output_offset
                              + entry->offset
                              + (entry->existing_entries == TLS_GOT_MOD_AND_OFF
                                 ? 4 : 0)),