hurd: Fix aligning signal stack pointer
[glibc.git] / hurd / trampoline.c
blob1447b13fe6cee33fd27a6d3e9aa1c1c7ca2c854f
1 /* Set thread_state for sighandler, and sigcontext to recover. Stub version.
2 Copyright (C) 1994-2023 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
19 #include <hurd.h>
20 #include <mach/thread_status.h>
22 /* Set up STATE to run a signal handler in the thread it describes.
23 This should save the original state in a `struct sigcontext' on the
24 thread's stack (or possibly a signal stack described by SIGALTSTACK,
25 if the SA_ONSTACK bit is set in FLAGS), and return the address of
26 that structure. */
28 struct sigcontext *
29 _hurd_setup_sighandler (struct hurd_sigstate *ss, const struct sigaction *action,
30 __sighandler_t handler,
31 int signo, struct hurd_signal_detail *detail,
32 int rpc_wait,
33 struct machine_thread_all_state *state)
35 #error "Need to write sysdeps/mach/hurd/MACHINE/trampoline.c"