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authorUlrich Drepper <drepper@redhat.com>2007-06-19 22:59:48 +0000
committerUlrich Drepper <drepper@redhat.com>2007-06-19 22:59:48 +0000
commit9be09e060fcb211d3e53fc93098f57b74df2cb67 (patch)
tree4abc7be287b872bf34a7a88453e31d5186e88b1a /dlfcn
parentae1ad3aebbc397212b4bb2eec92ff19f8c1f913a (diff)
* sysdeps/generic/ldsodefs.h (rtld_global): Reorder some elements
to fill in holes (rtld_global_ro): Likewise. 2007-06-18 Jakub Jelinek <jakub@redhat.com> * elf/dl-addr.c (_dl_addr): Skip PT_LOAD checking if l_contiguous. Move PT_LOAD checking to... (_dl_addr_inside_object): ... here, new function. * elf/dl-sym.c (do_sym): If not l_contiguous, call _dl_addr_inside_object. * elf/dl-iteratephdr.c (__dl_iterate_phdr): Likewise. * dlfcn/dlinfo.c (dlinfo_doit): Likewise. * elf/dl-open.c (dl_open_worker): Likewise. (_dl_addr_inside_object): New function if IS_IN_rtld. * elf/dl-load.c (_dl_map_object_from_fd): Set l_contiguous if no holes are present or are PROT_NONE protected. * include/link.h (struct link_map): Add l_contiguous field. * sysdeps/generic/ldsodefs.h (_dl_addr_inside_object): New prototype.
Diffstat (limited to 'dlfcn')
-rw-r--r--dlfcn/dlinfo.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/dlfcn/dlinfo.c b/dlfcn/dlinfo.c
index 923127cbf3..b3a3e13899 100644
--- a/dlfcn/dlinfo.c
+++ b/dlfcn/dlinfo.c
@@ -1,5 +1,5 @@
/* dlinfo -- Get information from the dynamic linker.
- Copyright (C) 2003, 2004, 2006 Free Software Foundation, Inc.
+ Copyright (C) 2003, 2004, 2006, 2007 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
@@ -56,9 +56,8 @@ dlinfo_doit (void *argsblock)
/* Find the highest-addressed object that CALLER is not below. */
for (nsid = 0; nsid < DL_NNS; ++nsid)
for (l = GL(dl_ns)[nsid]._ns_loaded; l != NULL; l = l->l_next)
- if (caller >= l->l_map_start && caller < l->l_map_end)
- /* There must be exactly one DSO for the range of the virtual
- memory. Otherwise something is really broken. */
+ if (caller >= l->l_map_start && caller < l->l_map_end
+ && (l->l_contiguous || _dl_addr_inside_object (l, caller)))
break;
if (l == NULL)