* elfcode.h (NAME(bfd_elf,size_dynamic_sections)): Add rpath

[deliverable/binutils-gdb.git] / bfd / elfcode.h

diff --git a/bfd/elfcode.h b/bfd/elfcode.h
index 223b75185cf88f4dcad48a384a362ec3e72ed119..e34951c52b5f6163ee4567bf45fdb736b92acfdb 100644 (file)
--- a/bfd/elfcode.h
+++ b/bfd/elfcode.h
@@ -2887,6 +2887,12 @@ elf_get_dynamic_symtab_upper_bound (abfd)
   long symtab_size;
   Elf_Internal_Shdr *hdr = &elf_tdata (abfd)->dynsymtab_hdr;
 
+  if (elf_dynsymtab (abfd) == 0)
+    {
+      bfd_set_error (bfd_error_invalid_operation);
+      return -1;
+    }
+
   symcount = hdr->sh_size / sizeof (Elf_External_Sym);
   symtab_size = (symcount - 1 + 1) * (sizeof (asymbol *));
 
@@ -4286,7 +4292,19 @@ elf_link_add_object_symbols (abfd, info)
                 with the new definition.  */
              h->root.type = bfd_link_hash_undefined;
              h->root.u.undef.abfd = h->root.u.def.section->owner;
+             h->elf_link_hash_flags &=~ ELF_LINK_HASH_DEFINED_WEAK;
            }
+
+         /* If this is a weak definition which we are going to use,
+            and the symbol is currently undefined, record that the
+            definition is weak.  */
+         if (definition
+             && (flags & BSF_WEAK) != 0
+             && ! bfd_is_und_section (sec)
+             && (h->root.type == bfd_link_hash_new
+                 || h->root.type == bfd_link_hash_undefined
+                 || h->root.type == bfd_link_hash_weak))
+           h->elf_link_hash_flags |= ELF_LINK_HASH_DEFINED_WEAK;
        }
 
       if (! (_bfd_generic_link_add_one_symbol
@@ -4645,8 +4663,9 @@ static const size_t elf_buckets[] =
    addresses of the various sections.  */
 
 boolean
-NAME(bfd_elf,size_dynamic_sections) (output_bfd, info, sinterpptr)
+NAME(bfd_elf,size_dynamic_sections) (output_bfd, rpath, info, sinterpptr)
      bfd *output_bfd;
+     const char *rpath;
      struct bfd_link_info *info;
      asection **sinterpptr;
 {
@@ -4720,6 +4739,16 @@ NAME(bfd_elf,size_dynamic_sections) (output_bfd, info, sinterpptr)
 
   elf_hash_table (info)->bucketcount = bucketcount;
 
+  if (rpath != NULL)
+    {
+      unsigned long indx;
+
+      indx = bfd_add_to_strtab (dynobj, elf_hash_table (info)->dynstr, rpath);
+      if (indx == (unsigned long) -1
+         || ! elf_add_dynamic_entry (info, DT_RPATH, indx))
+       return false;
+    }
+
   s = bfd_get_section_by_name (dynobj, ".dynstr");
   BFD_ASSERT (s != NULL);
   s->_raw_size = elf_hash_table (info)->dynstr->length;
@@ -5613,8 +5642,12 @@ elf_link_output_extsym (h, data)
 
   sym.st_value = 0;
   sym.st_size = h->size;
-  sym.st_info = ELF_ST_INFO (STB_GLOBAL, h->type);
   sym.st_other = 0;
+  if (h->root.type == bfd_link_hash_weak
+      || (h->elf_link_hash_flags & ELF_LINK_HASH_DEFINED_WEAK) != 0)
+    sym.st_info = ELF_ST_INFO (STB_WEAK, h->type);
+  else
+    sym.st_info = ELF_ST_INFO (STB_GLOBAL, h->type);
 
   switch (h->root.type)
     {
@@ -5631,7 +5664,6 @@ elf_link_output_extsym (h, data)
     case bfd_link_hash_weak:
       input_sec = bfd_und_section_ptr;
       sym.st_shndx = SHN_UNDEF;
-      sym.st_info = ELF_ST_INFO (STB_WEAK, h->type);
       break;
 
     case bfd_link_hash_defined: