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 6144
6#define SIGSTKSZ 12288
7#endif
8
9#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
10typedef unsigned long greg_t;
11typedef unsigned long gregset_t[34];
12
13typedef struct {
14 __uint128_t vregs[32];
15 unsigned int fpsr;
16 unsigned int fpcr;
17} fpregset_t;
18typedef struct sigcontext {
19 unsigned long fault_address;
20 unsigned long regs[31];
21 unsigned long sp, pc, pstate;
22 long double __reserved[256];
23} mcontext_t;
24
25#define FPSIMD_MAGIC 0x46508001
26#define ESR_MAGIC 0x45535201
27#define EXTRA_MAGIC 0x45585401
28#define SVE_MAGIC 0x53564501
29struct _aarch64_ctx {
30 unsigned int magic;
31 unsigned int size;
32};
33struct fpsimd_context {
34 struct _aarch64_ctx head;
35 unsigned int fpsr;
36 unsigned int fpcr;
37 __uint128_t vregs[32];
38};
39struct esr_context {
40 struct _aarch64_ctx head;
41 unsigned long esr;
42};
43struct extra_context {
44 struct _aarch64_ctx head;
45 unsigned long datap;
46 unsigned int size;
47 unsigned int __reserved[3];
48};
49struct sve_context {
50 struct _aarch64_ctx head;
51 unsigned short vl;
52 unsigned short __reserved[3];
53};
54#define SVE_VQ_BYTES 16
55#define SVE_VQ_MIN 1
56#define SVE_VQ_MAX 512
57#define SVE_VL_MIN (SVE_VQ_MIN * SVE_VQ_BYTES)
58#define SVE_VL_MAX (SVE_VQ_MAX * SVE_VQ_BYTES)
59#define SVE_NUM_ZREGS 32
60#define SVE_NUM_PREGS 16
61#define sve_vl_valid(vl) \
62 ((vl) % SVE_VQ_BYTES == 0 && (vl) >= SVE_VL_MIN && (vl) <= SVE_VL_MAX)
63#define sve_vq_from_vl(vl) ((vl) / SVE_VQ_BYTES)
64#define sve_vl_from_vq(vq) ((vq) * SVE_VQ_BYTES)
65#define SVE_SIG_ZREG_SIZE(vq) ((unsigned)(vq) * SVE_VQ_BYTES)
66#define SVE_SIG_PREG_SIZE(vq) ((unsigned)(vq) * (SVE_VQ_BYTES / 8))
67#define SVE_SIG_FFR_SIZE(vq) SVE_SIG_PREG_SIZE(vq)
68#define SVE_SIG_REGS_OFFSET \
69 ((sizeof(struct sve_context) + (SVE_VQ_BYTES - 1)) \
70 / SVE_VQ_BYTES * SVE_VQ_BYTES)
71#define SVE_SIG_ZREGS_OFFSET SVE_SIG_REGS_OFFSET
72#define SVE_SIG_ZREG_OFFSET(vq, n) \
73 (SVE_SIG_ZREGS_OFFSET + SVE_SIG_ZREG_SIZE(vq) * (n))
74#define SVE_SIG_ZREGS_SIZE(vq) \
75 (SVE_SIG_ZREG_OFFSET(vq, SVE_NUM_ZREGS) - SVE_SIG_ZREGS_OFFSET)
76#define SVE_SIG_PREGS_OFFSET(vq) \
77 (SVE_SIG_ZREGS_OFFSET + SVE_SIG_ZREGS_SIZE(vq))
78#define SVE_SIG_PREG_OFFSET(vq, n) \
79 (SVE_SIG_PREGS_OFFSET(vq) + SVE_SIG_PREG_SIZE(vq) * (n))
80#define SVE_SIG_PREGS_SIZE(vq) \
81 (SVE_SIG_PREG_OFFSET(vq, SVE_NUM_PREGS) - SVE_SIG_PREGS_OFFSET(vq))
82#define SVE_SIG_FFR_OFFSET(vq) \
83 (SVE_SIG_PREGS_OFFSET(vq) + SVE_SIG_PREGS_SIZE(vq))
84#define SVE_SIG_REGS_SIZE(vq) \
85 (SVE_SIG_FFR_OFFSET(vq) + SVE_SIG_FFR_SIZE(vq) - SVE_SIG_REGS_OFFSET)
86#define SVE_SIG_CONTEXT_SIZE(vq) (SVE_SIG_REGS_OFFSET + SVE_SIG_REGS_SIZE(vq))
87#else
88typedef struct {
89 long double __regs[18+256];
90} mcontext_t;
91#endif
92
93struct sigaltstack {
94 void *ss_sp;
95 int ss_flags;
96 size_t ss_size;
97};
98
99typedef struct __ucontext {
100 unsigned long uc_flags;
101 struct __ucontext *uc_link;
102 stack_t uc_stack;
103 sigset_t uc_sigmask;
104 mcontext_t uc_mcontext;
105} ucontext_t;
106
107#define SA_NOCLDSTOP 1
108#define SA_NOCLDWAIT 2
109#define SA_SIGINFO 4
110#define SA_ONSTACK 0x08000000
111#define SA_RESTART 0x10000000
112#define SA_NODEFER 0x40000000
113#define SA_RESETHAND 0x80000000
114#define SA_RESTORER 0x04000000
115
116#endif
117
118#define SIGHUP 1
119#define SIGINT 2
120#define SIGQUIT 3
121#define SIGILL 4
122#define SIGTRAP 5
123#define SIGABRT 6
124#define SIGIOT SIGABRT
125#define SIGBUS 7
126#define SIGFPE 8
127#define SIGKILL 9
128#define SIGUSR1 10
129#define SIGSEGV 11
130#define SIGUSR2 12
131#define SIGPIPE 13
132#define SIGALRM 14
133#define SIGTERM 15
134#define SIGSTKFLT 16
135#define SIGCHLD 17
136#define SIGCONT 18
137#define SIGSTOP 19
138#define SIGTSTP 20
139#define SIGTTIN 21
140#define SIGTTOU 22
141#define SIGURG 23
142#define SIGXCPU 24
143#define SIGXFSZ 25
144#define SIGVTALRM 26
145#define SIGPROF 27
146#define SIGWINCH 28
147#define SIGIO 29
148#define SIGPOLL 29
149#define SIGPWR 30
150#define SIGSYS 31
151#define SIGUNUSED SIGSYS
152
153#define _NSIG 65