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Update.

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2004-01-13  Ulrich Drepper  <drepper@redhat.com>

	* sysdeps/unix/sysv/linux/dl-execstack.c: Change interface.  Add
	challenge for caller.
	* sysdeps/generic/ldsodefs.h: Change declaration and type of hook
	member in rtld_global appropriately.
	* elf/dl-support.c: Likewise.
	* elf/dl-load.c (_dl_map_object_from_fd): Take additional paramter.
	Pass it on to the changed function.
	(_dl_map_object): Pass new parameter to _dl_map_object_from_fd.
This commit is contained in:
Ulrich Drepper
2004-01-13 15:47:32 +00:00
parent 0a182a286d
commit d1fc817ea4
7 changed files with 46 additions and 19 deletions
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12
nptl/allocatestack.c
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@ -1,4 +1,4 @@
/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
/* Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@ -661,10 +661,16 @@ __deallocate_stack (struct pthread *pd)
}
extern void *__libc_stack_end;
int
internal_function
__make_stacks_executable (void)
__make_stacks_executable (void **stack_endp)
{
/* Challenge the caller. */
if (*stack_endp != __libc_stack_end)
return EPERM;
#ifdef NEED_SEPARATE_REGISTER_STACK
const size_t pagemask = ~(__getpagesize () - 1);
#endif
@ -702,7 +708,7 @@ __make_stacks_executable (void)
lll_unlock (stack_cache_lock);
if (err == 0)
err = _dl_make_stack_executable ();
err = _dl_make_stack_executable (stack_endp);
return err;
}