1#if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
2 || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
3
4#if defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
5# define MINSIGSTKSZ 2048
6# define SIGSTKSZ 8192
7#endif
8
9typedef unsigned long __riscv_mc_gp_state[32];
10
11struct __riscv_mc_f_ext_state {
12 unsigned int __f[32];
13 unsigned int __fcsr;
14};
15
16struct __riscv_mc_d_ext_state {
17 unsigned long long __f[32];
18 unsigned int __fcsr;
19};
20
21struct __riscv_mc_q_ext_state {
22 unsigned long long __f[64] __attribute__((aligned(16)));
23 unsigned int __fcsr;
24 unsigned int __reserved[3];
25};
26
27union __riscv_mc_fp_state {
28 struct __riscv_mc_f_ext_state __f;
29 struct __riscv_mc_d_ext_state __d;
30 struct __riscv_mc_q_ext_state __q;
31};
32
33typedef struct mcontext_t {
34 __riscv_mc_gp_state __gregs;
35 union __riscv_mc_fp_state __fpregs;
36} mcontext_t;
37
38#if defined(_GNU_SOURCE)
39#define REG_PC 0
40#define REG_RA 1
41#define REG_SP 2
42#define REG_TP 4
43#define REG_S0 8
44#define REG_S1 9
45#define REG_A0 10
46#define REG_S2 18
47#endif
48
49#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
50typedef unsigned long greg_t;
51typedef unsigned long gregset_t[32];
52typedef union __riscv_mc_fp_state fpregset_t;
53struct sigcontext {
54 gregset_t gregs;
55 fpregset_t fpregs;
56};
57#endif
58
59struct sigaltstack {
60 void *ss_sp;
61 int ss_flags;
62 size_t ss_size;
63};
64
65typedef struct __ucontext
66{
67 unsigned long uc_flags;
68 struct __ucontext *uc_link;
69 stack_t uc_stack;
70 sigset_t uc_sigmask;
71 mcontext_t uc_mcontext;
72} ucontext_t;
73
74#define SA_NOCLDSTOP 1
75#define SA_NOCLDWAIT 2
76#define SA_SIGINFO 4
77#define SA_ONSTACK 0x08000000
78#define SA_RESTART 0x10000000
79#define SA_NODEFER 0x40000000
80#define SA_RESETHAND 0x80000000
81#define SA_RESTORER 0x04000000
82
83#endif
84
85#define SIGHUP 1
86#define SIGINT 2
87#define SIGQUIT 3
88#define SIGILL 4
89#define SIGTRAP 5
90#define SIGABRT 6
91#define SIGIOT SIGABRT
92#define SIGBUS 7
93#define SIGFPE 8
94#define SIGKILL 9
95#define SIGUSR1 10
96#define SIGSEGV 11
97#define SIGUSR2 12
98#define SIGPIPE 13
99#define SIGALRM 14
100#define SIGTERM 15
101#define SIGSTKFLT 16
102#define SIGCHLD 17
103#define SIGCONT 18
104#define SIGSTOP 19
105#define SIGTSTP 20
106#define SIGTTIN 21
107#define SIGTTOU 22
108#define SIGURG 23
109#define SIGXCPU 24
110#define SIGXFSZ 25
111#define SIGVTALRM 26
112#define SIGPROF 27
113#define SIGWINCH 28
114#define SIGIO 29
115#define SIGPOLL SIGIO
116#define SIGPWR 30
117#define SIGSYS 31
118#define SIGUNUSED SIGSYS
119
120#define _NSIG 65