1 /* Copyright (C) 1996-2021 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.  */
39 struct 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.  */
63 struct 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