1 | /* longjmp for ARC. |
2 | Copyright (C) 2020-2024 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 License as |
7 | published by the Free Software Foundation; either version 2.1 of the |
8 | 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 | #include <sysdep.h> |
20 | #include <jmpbuf-offsets.h> |
21 | |
22 | /* @ r0 = jump buffer from which regs will be restored |
23 | @ r1 = value that setjmp( ) will return due to this longjmp. */ |
24 | |
25 | ENTRY (__longjmp) |
26 | |
27 | LDR (blink, r0, 0) |
28 | LDR (sp, r0, 1) |
29 | LDR (fp, r0, 2) |
30 | LDR (gp, r0, 3) |
31 | |
32 | LDR (r13, r0, 4) |
33 | LDR (r14, r0, 5) |
34 | LDR (r15, r0, 6) |
35 | LDR (r16, r0, 7) |
36 | LDR (r17, r0, 8) |
37 | LDR (r18, r0, 9) |
38 | LDR (r19, r0, 10) |
39 | LDR (r20, r0, 11) |
40 | LDR (r21, r0, 12) |
41 | LDR (r22, r0, 13) |
42 | LDR (r23, r0, 14) |
43 | LDR (r24, r0, 15) |
44 | |
45 | mov.f r0, r1 |
46 | j.d [blink] |
47 | mov.z r0, 1 /* don't return 0 to setjmp callsite from longjmp. */ |
48 | |
49 | END (__longjmp) |
50 | |