1/* Copyright (C) 2012-2022 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
8
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <https://www.gnu.org/licenses/>. */
17
18#include <sysdep.h>
19
20 .text
21
22/* This is the helper code which gets called if a function which is
23 registered with 'makecontext' returns. In this case we have to
24 install the context listed in the uc_link element of the context
25 'makecontext' manipulated at the time of the 'makecontext' call.
26 If the pointer is NULL the process must terminate. */
27
28ENTRY(__start_context)
29 brz,pn %i0, 1f
30 mov 1, %o1
31 call __setcontext
32 mov %i0, %o0
331: call HIDDEN_JUMPTARGET(exit)
34 mov 0, %o0
35 unimp 0
36END(__start_context)
37

source code of glibc/sysdeps/unix/sysv/linux/sparc/sparc64/__start_context.S