Sun Jun 4 22:14:11 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>

	* hurd/Makefile (sig): Added thread-self.
	* hurd/hurd.h: Declare hurd_thread_self.
	* hurd/thread-self.c: New file.

Thu Jun  1 12:17:52 1995  Roland McGrath  <roland@churchy.gnu.ai.mit.edu>

	* elf/rtld.c: Initialize RTLD_MAP.l_type.
	* elf/dl-reloc.c (_dl_relocate_object): Clear LAZY if relocating
 	the dynamic linker itself.

2 files changed, 15 insertions, 0 deletions

diff --git a/elf/dl-reloc.c b/elf/dl-reloc.c
index ebc31d0..a3590ff 100644
--- a/elf/dl-reloc.c
+++ b/elf/dl-reloc.c
@@ -76,6 +76,14 @@ _dl_relocate_object (struct link_map *l, int lazy)
     else
       scope = _dl_loaded;
 
+    if (l->l_type == lt_interpreter)
+      /* We cannot be lazy when relocating the dynamic linker itself.  It
+	 was previously relocated eagerly (allowing us to be running now),
+	 and needs always to be fully relocated so it can run without the
+	 aid of run-time fixups (because it's the one to do them), so we
+	 must always re-relocate its PLT eagerly.  */
+      lazy = 0;
+
     ELF_DYNAMIC_RELOCATE (l, lazy, resolve);
 
     /* Restore list frobnication done above for DT_SYMBOLIC.  */
diff --git a/elf/rtld.c b/elf/rtld.c
index 409b970..c36409a 100644
--- a/elf/rtld.c
+++ b/elf/rtld.c
@@ -70,6 +70,13 @@ _dl_start (void *arg)
   /* Relocate ourselves so we can do normal function calls and
      data access using the global offset table.  */
 
+  /* We must initialize `l_type' to make sure it is not `lt_interpreter'.
+     That is the type to describe us, but not during bootstrapping--it
+     indicates to elf_machine_rel{,a} that we were already relocated during
+     bootstrapping, so it must anti-perform each bootstrapping relocation
+     before applying the final relocation when ld.so is linked in as
+     normal a shared library.  */
+  rtld_map.l_type = lt_library;
   ELF_DYNAMIC_RELOCATE (&rtld_map, 0, NULL);