1/* Copyright (C) 1996-2025 Free Software Foundation, Inc.  This file is part of the GNU C Library.
 2
 3   The GNU C Library is free software; you can redistribute it and/or
 4   modify it under the terms of the GNU Lesser General Public
 5   License as published by the Free Software Foundation; either
 6   version 2.1 of the License, or (at your option) any later version.
 7
 8   The GNU C Library is distributed in the hope that it will be useful,
 9   but WITHOUT ANY WARRANTY; without even the implied warranty of
10   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
11   Lesser General Public License for more details.
12
13   You should have received a copy of the GNU Lesser General Public
14   License along with the GNU C Library.  If not, see
15   <https://www.gnu.org/licenses/>.  */
16
17#ifndef _BITS_SIGCONTEXT_H
18#define _BITS_SIGCONTEXT_H 1
19
20#if !defined _SIGNAL_H && !defined _SYS_UCONTEXT_H
21# error "Never use <bits/sigcontext.h> directly; include <signal.h> instead."
22#endif
23
24#include <sgidefs.h>
25
26#if _MIPS_SIM == _ABIO32
27
28/* Certain unused fields were replaced with new ones in 2.6.12-rc4.
29   The changes were as follows:
30
31   sc_cause -> sc_hi1
32   sc_badvaddr -> sc_lo1
33   sc_sigset[0] -> sc_hi2
34   sc_sigset[1] -> sc_lo2
35   sc_sigset[2] -> sc_hi3
36   sc_sigset[3] -> sc_lo3
37
38   sc_regmask, sc_ownedfp and sc_fpc_eir are not used.  */
39struct sigcontext {
40  unsigned int sc_regmask;
41  unsigned int sc_status;
42  __extension__ unsigned long long sc_pc;
43  __extension__ unsigned long long sc_regs[32];
44  __extension__ unsigned long long sc_fpregs[32];
45  unsigned int sc_ownedfp;
46  unsigned int sc_fpc_csr;
47  unsigned int sc_fpc_eir;
48  unsigned int sc_used_math;
49  unsigned int sc_dsp;
50  __extension__ unsigned long long sc_mdhi;
51  __extension__ unsigned long long sc_mdlo;
52  unsigned long sc_hi1;
53  unsigned long sc_lo1;
54  unsigned long sc_hi2;
55  unsigned long sc_lo2;
56  unsigned long sc_hi3;
57  unsigned long sc_lo3;
58};
59
60#else
61
62/* This structure changed in 2.6.12-rc4 when DSP support was added.  */
63struct sigcontext {
64  __extension__ unsigned long long sc_regs[32];
65  __extension__ unsigned long long sc_fpregs[32];
66  __extension__ unsigned long long sc_mdhi;
67  __extension__ unsigned long long sc_hi1;
68  __extension__ unsigned long long sc_hi2;
69  __extension__ unsigned long long sc_hi3;
70  __extension__ unsigned long long sc_mdlo;
71  __extension__ unsigned long long sc_lo1;
72  __extension__ unsigned long long sc_lo2;
73  __extension__ unsigned long long sc_lo3;
74  __extension__ unsigned long long sc_pc;
75  unsigned int sc_fpc_csr;
76  unsigned int sc_used_math;
77  unsigned int sc_dsp;
78  unsigned int sc_reserved;
79};
80
81#endif /* _MIPS_SIM != _ABIO32 */
82#endif