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76a50749 | 1 | /* Set a thread's floating-point register set. |
6d7e8eda | 2 | Copyright (C) 1999-2023 Free Software Foundation, Inc. |
76a50749 | 3 | This file is part of the GNU C Library. |
76a50749 UD |
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 | |
59ba27a6 | 16 | License along with the GNU C Library; if not, see |
5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
76a50749 UD |
18 | |
19 | #include "thread_dbP.h" | |
20 | ||
21 | ||
22 | td_err_e | |
23 | td_thr_setfpregs (const td_thrhandle_t *th, const prfpregset_t *fpregs) | |
24 | { | |
7f08f55a RM |
25 | psaddr_t cancelhandling, tid; |
26 | td_err_e err; | |
27 | ||
76a50749 UD |
28 | LOG ("td_thr_setfpregs"); |
29 | ||
7d9d8bd1 RM |
30 | if (th->th_unique == 0) |
31 | /* Special case for the main thread before initialization. */ | |
32 | return ps_lsetfpregs (th->th_ta_p->ph, ps_getpid (th->th_ta_p->ph), | |
33 | fpregs) != PS_OK ? TD_ERR : TD_OK; | |
34 | ||
76a50749 | 35 | /* We have to get the state and the PID for this thread. */ |
7f08f55a RM |
36 | err = DB_GET_FIELD (cancelhandling, th->th_ta_p, th->th_unique, pthread, |
37 | cancelhandling, 0); | |
38 | if (err != TD_OK) | |
39 | return err; | |
76a50749 UD |
40 | |
41 | /* Only set the registers if the thread hasn't yet terminated. */ | |
7f08f55a | 42 | if ((((int) (uintptr_t) cancelhandling) & TERMINATED_BITMASK) == 0) |
76a50749 | 43 | { |
7f08f55a RM |
44 | err = DB_GET_FIELD (tid, th->th_ta_p, th->th_unique, pthread, tid, 0); |
45 | if (err != TD_OK) | |
46 | return err; | |
76a50749 | 47 | |
7f08f55a | 48 | if (ps_lsetfpregs (th->th_ta_p->ph, (uintptr_t) tid, fpregs) != PS_OK) |
76a50749 UD |
49 | return TD_ERR; |
50 | } | |
51 | ||
52 | return TD_OK; | |
53 | } |