Change version number to 2.38.50 and regenerate files

[binutils-gdb.git] / ld / ldelf.c

diff --git a/ld/ldelf.c b/ld/ldelf.c
index 0c39eb6024f26465c416647b8b7439346670b14c..121c25d948fc417df93f2abb4b309e0419c1d4f7 100644 (file)
--- a/ld/ldelf.c
+++ b/ld/ldelf.c
@@ -1,5 +1,5 @@
 /* ELF emulation code for targets using elf.em.
-   Copyright (C) 1991-2021 Free Software Foundation, Inc.
+   Copyright (C) 1991-2022 Free Software Foundation, Inc.
 
    This file is part of the GNU Binutils.
 
@@ -71,7 +71,26 @@ ldelf_after_parse (void)
        einfo (_("%P: warning: -z dynamic-undefined-weak ignored\n"));
       link_info.dynamic_undefined_weak = 0;
     }
+
+  /* Disable DT_RELR if not building PIE nor shared library.  */
+  if (!bfd_link_pic (&link_info))
+    link_info.enable_dt_relr = 0;
+
+  /* Add 3 spare tags for DT_RELR, DT_RELRSZ and DT_RELRENT.  */
+  if (link_info.enable_dt_relr)
+    link_info.spare_dynamic_tags += 3;
+
   after_parse_default ();
+  if (link_info.commonpagesize > link_info.maxpagesize)
+    {
+      if (!link_info.commonpagesize_is_set)
+       link_info.commonpagesize = link_info.maxpagesize;
+      else if (!link_info.maxpagesize_is_set)
+       link_info.maxpagesize = link_info.commonpagesize;
+      else
+       einfo (_("%F%P: common page size (0x%v) > maximum page size (0x%v)\n"),
+              link_info.commonpagesize, link_info.maxpagesize);
+    }
 }
 
 /* Handle the generation of DT_NEEDED tags.  */
@@ -1043,6 +1062,15 @@ ldelf_after_open (int use_libpath, int native, int is_linux, int is_freebsd,
   /* Do not allow executable files to be used as inputs to the link.  */
   for (abfd = link_info.input_bfds; abfd; abfd = abfd->link.next)
     {
+      /* Discard input .note.gnu.build-id sections.  */
+      s = bfd_get_section_by_name (abfd, ".note.gnu.build-id");
+      while (s != NULL)
+       {
+         if (s != elf_tdata (link_info.output_bfd)->o->build_id.sec)
+           s->flags |= SEC_EXCLUDE;
+         s = bfd_get_next_section_by_name (NULL, s);
+       }
+
       if (abfd->xvec->flavour == bfd_target_elf_flavour
          && !bfd_input_just_syms (abfd)
          && elf_tdata (abfd) != NULL
@@ -1386,6 +1414,9 @@ write_build_id (bfd *abfd)
   id_bits = contents + size;
   size = asec->size - size;
 
+  /* Clear the build ID field.  */
+  memset (id_bits, 0, size);
+
   bfd_h_put_32 (abfd, sizeof "GNU", &e_note->namesz);
   bfd_h_put_32 (abfd, size, &e_note->descsz);
   bfd_h_put_32 (abfd, NT_GNU_BUILD_ID, &e_note->type);
@@ -1417,7 +1448,8 @@ ldelf_setup_build_id (bfd *ibfd)
 
   flags = (SEC_ALLOC | SEC_LOAD | SEC_IN_MEMORY
           | SEC_LINKER_CREATED | SEC_READONLY | SEC_DATA);
-  s = bfd_make_section_with_flags (ibfd, ".note.gnu.build-id", flags);
+  s = bfd_make_section_anyway_with_flags (ibfd, ".note.gnu.build-id",
+                                         flags);
   if (s != NULL && bfd_set_section_alignment (s, 2))
     {
       struct elf_obj_tdata *t = elf_tdata (link_info.output_bfd);
@@ -1575,11 +1607,6 @@ ldelf_before_allocation (char *audit, char *depaudit,
                  || h->root.type == bfd_link_hash_undefweak
                  || h->root.type == bfd_link_hash_common))
            {
-             const struct elf_backend_data *bed;
-             bed = get_elf_backend_data (link_info.output_bfd);
-             (*bed->elf_backend_hide_symbol) (&link_info, h, true);
-             if (ELF_ST_VISIBILITY (h->other) != STV_INTERNAL)
-               h->other = (h->other & ~ELF_ST_VISIBILITY (-1)) | STV_HIDDEN;
              /* Don't leave the symbol undefined.  Undefined hidden
                 symbols typically won't have dynamic relocations, but
                 we most likely will need dynamic relocations for