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688903eb | 1 | /* Copyright (C) 2012-2018 Free Software Foundation, Inc. |
46f85fc2 AK |
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 | <http://www.gnu.org/licenses/>. */ | |
17 | ||
18 | #include <sysdep.h> | |
19 | ||
20 | ENTRY(__makecontext_ret) | |
8beba15d SL |
21 | /* Mark r14 as undefined in order to stop unwinding here! */ |
22 | cfi_undefined (r14) | |
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23 | basr %r14,%r7 |
24 | ltgr %r8,%r8 /* Check whether uc_link is 0. */ | |
25 | jz 1f | |
26 | lgr %r2,%r8 | |
27 | br %r9 | |
28 | 1: lghi %r2,0 | |
29 | brasl %r14,HIDDEN_JUMPTARGET (exit) | |
30 | j .+2 /* Trap if exit returns. */ | |
31 | END(__makecontext_ret) |