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authorRoland McGrath <roland@gnu.org>1995-06-05 03:04:45 +0000
committerRoland McGrath <roland@gnu.org>1995-06-05 03:04:45 +0000
commitded291197c7da40793b072cd5487434b252376d7 (patch)
tree729a00f9f99d714757cb5ae295cf1f2b289fa746 /elf
parenta1a9d215963c548aef245cacd8efa944de69503b (diff)
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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.
Diffstat (limited to 'elf')
-rw-r--r--elf/dl-reloc.c8
-rw-r--r--elf/rtld.c7
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);