From 965cb60a21674edb8e20b1a2a41297bcd4622361 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Sun, 11 Jan 2009 04:44:06 +0000 Subject: * sysdeps/generic/dl-osinfo.h (_dl_setup_stack_chk_guard): Take one parameter. If non-NULL use it to initialize return value. (_dl_setup_pointer_guard): New function. * sysdeps/unix/sysv/linux/dl-osinfo.h: Likewise. * sysdeps/generic/ldsodefs.h: Declare _dl_random. * elf/rtld.c (security_init): Pass _dl_random to _dl_setup_stack_chk_guard. Call _dl_setup_pointer_guard to initialize pointer_chk_guard. * elf/dl-sysdep.c (_dl_random): New variable. (_dl_sysdep_start): Handle AT_RANDOM. (_dl_show_auxv): Likewise. * elf/dl-support.c (_dl_random): New variable. (_dl_aux_init): Handle AT_RANDOM. * csu/libc-start.c [!SHARED] (libc_start_main): Pass _dl_random to _dl_setup_stack_chk_guard. * elf/elf.h (AT_RANDOM): Define AT_BASE_PLATFORM and AT_RANDOM. --- sysdeps/generic/ldsodefs.h | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'sysdeps/generic/ldsodefs.h') diff --git a/sysdeps/generic/ldsodefs.h b/sysdeps/generic/ldsodefs.h index 4d857404a3..e00b173f49 100644 --- a/sysdeps/generic/ldsodefs.h +++ b/sysdeps/generic/ldsodefs.h @@ -1,5 +1,5 @@ /* Run-time dynamic linker data structures for loaded ELF shared objects. - Copyright (C) 1995-2006, 2007, 2008 Free Software Foundation, Inc. + Copyright (C) 1995-2006, 2007, 2008, 2009 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 @@ -731,6 +731,9 @@ weak_extern (_dl_starting_up) extern int _dl_starting_up_internal attribute_hidden; #endif +/* Random data provided by the kernel. */ +extern void *_dl_random attribute_hidden; + /* OS-dependent function to open the zero-fill device. */ extern int _dl_sysdep_open_zero_fill (void); /* dl-sysdep.c */ -- cgit v1.2.3-70-g09d2