1 #if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
2 || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
4 #if defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
5 #define MINSIGSTKSZ 6144
9 #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
10 typedef unsigned long greg_t;
11 typedef unsigned long gregset_t[34];
14 long double vregs[32];
18 typedef struct sigcontext {
19 unsigned long fault_address;
20 unsigned long regs[31];
21 unsigned long sp, pc, pstate;
22 long double __reserved[256];
25 #define FPSIMD_MAGIC 0x46508001
26 #define ESR_MAGIC 0x45535201
27 #define EXTRA_MAGIC 0x45585401
28 #define SVE_MAGIC 0x53564501
33 struct fpsimd_context {
34 struct _aarch64_ctx head;
37 long double vregs[32];
40 struct _aarch64_ctx head;
43 struct extra_context {
44 struct _aarch64_ctx head;
47 unsigned int __reserved[3];
50 struct _aarch64_ctx head;
52 unsigned short __reserved[3];
54 #define SVE_VQ_BYTES 16
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))
89 long double __regs[18+256];
99 typedef struct __ucontext {
100 unsigned long uc_flags;
101 struct __ucontext *uc_link;
104 mcontext_t uc_mcontext;
107 #define SA_NOCLDSTOP 1
108 #define SA_NOCLDWAIT 2
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
124 #define SIGIOT SIGABRT
151 #define SIGUNUSED SIGSYS