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Update. 

* elf/dl-addr.c (_dl_addr): Do exact testing of address range
	using l_map_start and l_map_end.
This commit is contained in:
Ulrich Drepper 2000-06-08 01:50:04 +00:00
parent 7b228b6857
commit 1c14af448e
2 changed files with 9 additions and 5 deletions
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3
ChangeLog
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@ -1,5 +1,8 @@
2000-06-07 Ulrich Drepper <drepper@redhat.com>
* elf/dl-addr.c (_dl_addr): Do exact testing of address range
using l_map_start and l_map_end.
* elf/dl-version.c: Add __builtin_expect in many places.
* sysdeps/unix/sysv/linux/i386/dl-procinfo.h (x86_cap_flags):

11
elf/dl-addr.c
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@ -34,12 +34,13 @@ _dl_addr (const void *address, Dl_info *info)
/* Find the highest-addressed object that ADDRESS is not below. */
match = NULL;
for (l = _dl_loaded; l; l = l->l_next)
if (l->l_addr != 0 /* Make sure we do not currently set this map up
in this moment. */
&& addr >= l->l_addr && (!match || match->l_addr < l->l_addr))
match = l;
if (addr >= l->l_map_start && addr < l->l_map_end)
{
match = l;
break;
}
if (match)
if (__builtin_expect (match != NULL, 1))
{
/* We know ADDRESS lies within MATCH if in any shared object.
Make sure it isn't past the end of MATCH's segments. */