1 files changed, 64 insertions, 0 deletions
diff --git a/sysdeps/stub/dl-runtime.c b/sysdeps/stub/dl-runtime.c
new file mode 100644
index 0000000000..f660ef2197
--- /dev/null
+++ b/sysdeps/stub/dl-runtime.c
@@ -0,0 +1,64 @@
+/* On-demand PLT fixup for shared objects.  Stub version.
+Copyright (C) 1995 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU C Library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB.  If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#include <link.h>
+#include "dynamic-link.h"
+
+/* This function is not called in the normal way.  The PLT jumps here, not
+   using a call.  */
+void
+_dl_runtime_resolve ()
+{
+  struct link_map *l = ???;
+  Elf32_Word reloc_offset = ???;
+
+  const Elf32_Sym *const symtab
+    = (const Elf32_Sym *) l->l_info[DT_SYMTAB]->d_un.d_ptr;
+  const char *strtab
+    = ((void *) l->l_addr + l->l_info[DT_STRTAB]->d_un.d_ptr);
+
+  const Elf32_Rel *const reloc = (void *) (l->l_info[DT_JMPREL]->d_un.d_ptr
+					   + reloc_offset);
+
+  const Elf32_Sym *definer;
+  Elf32_Addr loadbase;
+  struct link_map *scope, *real_next;
+
+  /* Look up the symbol's run-time value.  */
+
+  real_next = l->l_next;
+  if (l->l_info[DT_SYMBOLIC])
+    {
+      l->l_prev->l_next = real_next;
+      l->l_next = _dl_loaded;
+      scope = l;
+    }
+  else
+    scope = _dl_loaded;
+  
+  definer = &symtab[ELF32_R_SYM (reloc->r_info)];
+  loadbase = _dl_lookup_symbol (strtab + definer->st_name, &definer, scope);
+  
+  /* Restore list frobnication done above for DT_SYMBOLIC.  */
+  l->l_next = real_next;
+  l->l_prev->l_next = l;
+
+  /* Apply the relocation with that value.  */
+  elf_machine_rel (l->l_addr, l->l_info, reloc, loadbase, definer);
+}