1/* BSD `setjmp' entry point to `sigsetjmp (..., 1)'. SH version.
2 Copyright (C) 1999-2022 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
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.
9
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.
14
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/>. */
18
19/* This just does a tail-call to `__sigsetjmp (ARG, 1)'.
20 We cannot do it in C because it must be a tail-call, so frame-unwinding
21 in setjmp doesn't clobber the state restored by longjmp. */
22
23#include <sysdep.h>
24
25ENTRY (setjmp)
26#ifdef SHARED
27 mova 1f, r0
28 mov.l 1f, r1
29 bra 2f
30 add r1, r0
31 .align 2
321:
33 .long _GLOBAL_OFFSET_TABLE_
342:
35 mov.l 3f, r1
36 mov.l @(r0,r1), r1
37 jmp @r1
38 mov #1, r5
39 .align 2
403:
41 .long C_SYMBOL_NAME(__sigsetjmp@GOT)
42#else
43 mov.l 1f, r1
44 jmp @r1
45 mov #1, r5
46 .align 2
471:
48 .long C_SYMBOL_NAME(__sigsetjmp)
49#endif
50END (setjmp)
51

source code of glibc/sysdeps/sh/bsd-setjmp.S