2002-01-29  Ulrich Drepper  <drepper@redhat.com>

	* elf/rtld.c (_dl_start): Use __builtin_memset if available.
This commit is contained in:
Ulrich Drepper 2002-01-29 20:56:09 +00:00
parent 9d7810d8c5
commit e66d0a4c94
2 changed files with 13 additions and 4 deletions

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@ -1,3 +1,7 @@
2002-01-29 Ulrich Drepper <drepper@redhat.com>
* elf/rtld.c (_dl_start): Use __builtin_memset if available.
2002-01-29 Ben Collins <bcollins@debian.org>
* string/bits/string2.h (__mempcpy): Protect size arg for

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@ -1,5 +1,5 @@
/* Run time dynamic linker.
Copyright (C) 1995-1999, 2000, 2001 Free Software Foundation, Inc.
Copyright (C) 1995-1999, 2000, 2001, 2002 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
@ -166,13 +166,18 @@ _dl_start (void *arg)
if (HP_TIMING_INLINE && HP_TIMING_AVAIL)
HP_TIMING_NOW (start_time);
/* Partly clean the `bootstrap_map' structure up. Don't use `memset'
since it might not be built in or inlined and we cannot make function
calls at this point. */
/* Partly clean the `bootstrap_map' structure up. Don't use
`memset' since it might not be built in or inlined and we cannot
make function calls at this point. Use '__builtin_memset' if we
know it is available. */
#if __GNUC_PREREQ (2, 96)
__builtin_memset (bootstrap_map.l_info, '\0', sizeof (bootstrap_map.l_info));
#else
for (cnt = 0;
cnt < sizeof (bootstrap_map.l_info) / sizeof (bootstrap_map.l_info[0]);
++cnt)
bootstrap_map.l_info[cnt] = 0;
#endif
/* Figure out the run-time load address of the dynamic linker itself. */
bootstrap_map.l_addr = elf_machine_load_address ();