Dmitry V. Levin
89636759d7
Remove temporary macros created for transition from long to kernel_ulong_t. Automatically replace PRI_kr[dux] with PRI_kl[dux] using $ git grep -l 'PRI_kr[dux]' | xargs sed -ri 's/PRI_kr([dux])/PRI_kl\1/g' * defs.h (PRI_krd, PRI_kru, PRI_krx): Remove. All users updated.
68 lines
2.4 KiB
C
68 lines
2.4 KiB
C
/*
|
|
* Copyright (c) 1991, 1992 Paul Kranenburg <pk@cs.few.eur.nl>
|
|
* Copyright (c) 1993 Branko Lankester <branko@hacktic.nl>
|
|
* Copyright (c) 1993-1996 Rick Sladkey <jrs@world.std.com>
|
|
* Copyright (c) 1996-1999 Wichert Akkerman <wichert@cistron.nl>
|
|
* Copyright (c) 2005-2015 Dmitry V. Levin <ldv@altlinux.org>
|
|
* Copyright (c) 2015 Elvira Khabirova <lineprinter0@gmail.com>
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. The name of the author may not be used to endorse or promote products
|
|
* derived from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#include "defs.h"
|
|
|
|
#include DEF_MPERS_TYPE(stack_t)
|
|
|
|
#include <signal.h>
|
|
|
|
#include MPERS_DEFS
|
|
|
|
#include "xlat/sigaltstack_flags.h"
|
|
|
|
static void
|
|
print_stack_t(struct tcb *const tcp, const kernel_ulong_t addr)
|
|
{
|
|
stack_t ss;
|
|
|
|
if (umove_or_printaddr(tcp, addr, &ss))
|
|
return;
|
|
|
|
tprints("{ss_sp=");
|
|
printaddr(ptr_to_kulong(ss.ss_sp));
|
|
tprints(", ss_flags=");
|
|
printflags(sigaltstack_flags, ss.ss_flags, "SS_???");
|
|
tprintf(", ss_size=%" PRI_klu "}", (kernel_ulong_t) ss.ss_size);
|
|
}
|
|
|
|
SYS_FUNC(sigaltstack)
|
|
{
|
|
if (entering(tcp)) {
|
|
print_stack_t(tcp, tcp->u_arg[0]);
|
|
tprints(", ");
|
|
} else {
|
|
print_stack_t(tcp, tcp->u_arg[1]);
|
|
}
|
|
return 0;
|
|
}
|