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68 lines
2.4 KiB
68 lines
2.4 KiB
/* |
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* Copyright (c) 1991, 1992 Paul Kranenburg <pk@cs.few.eur.nl> |
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* Copyright (c) 1993 Branko Lankester <branko@hacktic.nl> |
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* Copyright (c) 1993-1996 Rick Sladkey <jrs@world.std.com> |
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* Copyright (c) 1996-1999 Wichert Akkerman <wichert@cistron.nl> |
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* Copyright (c) 2005-2015 Dmitry V. Levin <ldv@altlinux.org> |
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* Copyright (c) 2015 Elvira Khabirova <lineprinter0@gmail.com> |
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* Copyright (c) 2015-2017 The strace developers. |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* 3. The name of the author may not be used to endorse or promote products |
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* derived from this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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#include "defs.h" |
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#include DEF_MPERS_TYPE(stack_t) |
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#include <signal.h> |
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#include MPERS_DEFS |
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#include "xlat/sigaltstack_flags.h" |
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static void |
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print_stack_t(struct tcb *const tcp, const kernel_ulong_t addr) |
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{ |
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stack_t ss; |
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if (umove_or_printaddr(tcp, addr, &ss)) |
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return; |
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tprints("{ss_sp="); |
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printaddr(ptr_to_kulong(ss.ss_sp)); |
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tprints(", ss_flags="); |
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printflags(sigaltstack_flags, ss.ss_flags, "SS_???"); |
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tprintf(", ss_size=%" PRI_klu "}", (kernel_ulong_t) ss.ss_size); |
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} |
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SYS_FUNC(sigaltstack) |
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{ |
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if (entering(tcp)) { |
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print_stack_t(tcp, tcp->u_arg[0]); |
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tprints(", "); |
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} else { |
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print_stack_t(tcp, tcp->u_arg[1]); |
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} |
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return 0; |
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}
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