Update.

	* elf/dl-iteratephdr.c (__dl_iterate_phdr): Don't skip dynamic
	linker's map.
	* elf/rtld.c (dl_main): Initialize l_phdr and l_phnum of of the
	dynamic linker's map.

diff --git a/ChangeLog b/ChangeLog
index d6a76ce..abbe3a8 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,10 @@
 2003-06-15  Ulrich Drepper  <drepper@redhat.com>
 
+       * elf/dl-iteratephdr.c (__dl_iterate_phdr): Don't skip dynamic
+       linker's map.
+       * elf/rtld.c (dl_main): Initialize l_phdr and l_phnum of of the
+       dynamic linker's map.
+
        Fix cancellation point handling wrt exception based cleanup.
        * io/Makefile: Compile fcntl.c, poll.c, and lockf.c with exceptions.
        * misc/Makefile: Compile pselect.c, readv.c, writev.c, and usleep.c

diff --git a/elf/dl-iteratephdr.c b/elf/dl-iteratephdr.c
index c374baa..dccaf0a 100644 (file)
--- a/elf/dl-iteratephdr.c
+++ b/elf/dl-iteratephdr.c
@@ -1,5 +1,5 @@
 /* Get loaded objects program headers.
-   Copyright (C) 2001, 2002 Free Software Foundation, Inc.
+   Copyright (C) 2001, 2002, 2003 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Jakub Jelinek <jakub@redhat.com>, 2001.
 
@@ -36,9 +36,6 @@ __dl_iterate_phdr (int (*callback) (struct dl_phdr_info *info,
 
   for (l = GL(dl_loaded); l != NULL; l = l->l_next)
     {
-      /* Skip the dynamic linker.  */
-      if (l->l_phdr == NULL)
-       continue;
       info.dlpi_addr = l->l_addr;
       info.dlpi_name = l->l_name;
       info.dlpi_phdr = l->l_phdr;

diff --git a/elf/rtld.c b/elf/rtld.c
index 367a9dc..5347a5f 100644 (file)
--- a/elf/rtld.c
+++ b/elf/rtld.c
@@ -931,6 +931,13 @@ of this helper program; chances are you did not intend to run this program.\n\
   GL(dl_rtld_map).l_prev = GL(dl_loaded);
   ++GL(dl_nloaded);
 
+  /* Set up the program header information for the dynamic linker
+     itself.  It is needed in the dl_iterate_phdr() callbacks.  */
+  ElfW(Ehdr) *rtld_ehdr = (ElfW(Ehdr) *) GL(dl_rtld_map.l_addr);
+  GL(dl_rtld_map).l_phdr = (ElfW(Phdr) *) (GL(dl_rtld_map.l_addr)
+                                          + rtld_ehdr->e_phoff);
+  GL(dl_rtld_map).l_phnum = rtld_ehdr->e_phnum;
+
   /* We have two ways to specify objects to preload: via environment
      variable and via the file /etc/ld.so.preload.  The latter can also
      be used when security is enabled.  */