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#if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
|| defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
#if defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
#define MINSIGSTKSZ 6144
#define SIGSTKSZ 12288
#endif
#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
typedef unsigned long greg_t;
typedef unsigned long gregset_t[34];
typedef struct {
long double vregs[32];
unsigned int fpsr;
unsigned int fpcr;
} fpregset_t;
typedef struct sigcontext {
unsigned long fault_address;
unsigned long regs[31];
unsigned long sp, pc, pstate;
long double __reserved[256];
} mcontext_t;
#define FPSIMD_MAGIC 0x46508001
#define ESR_MAGIC 0x45535201
#define EXTRA_MAGIC 0x45585401
#define SVE_MAGIC 0x53564501
struct _aarch64_ctx {
unsigned int magic;
unsigned int size;
};
struct fpsimd_context {
struct _aarch64_ctx head;
unsigned int fpsr;
unsigned int fpcr;
long double vregs[32];
};
struct esr_context {
struct _aarch64_ctx head;
unsigned long esr;
};
struct extra_context {
struct _aarch64_ctx head;
unsigned long datap;
unsigned int size;
unsigned int __reserved[3];
};
struct sve_context {
struct _aarch64_ctx head;
unsigned short vl;
unsigned short __reserved[3];
};
#define SVE_VQ_BYTES 16
#define SVE_VQ_MIN 1
#define SVE_VQ_MAX 512
#define SVE_VL_MIN (SVE_VQ_MIN * SVE_VQ_BYTES)
#define SVE_VL_MAX (SVE_VQ_MAX * SVE_VQ_BYTES)
#define SVE_NUM_ZREGS 32
#define SVE_NUM_PREGS 16
#define sve_vl_valid(vl) \
((vl) % SVE_VQ_BYTES == 0 && (vl) >= SVE_VL_MIN && (vl) <= SVE_VL_MAX)
#define sve_vq_from_vl(vl) ((vl) / SVE_VQ_BYTES)
#define sve_vl_from_vq(vq) ((vq) * SVE_VQ_BYTES)
#define SVE_SIG_ZREG_SIZE(vq) ((unsigned)(vq) * SVE_VQ_BYTES)
#define SVE_SIG_PREG_SIZE(vq) ((unsigned)(vq) * (SVE_VQ_BYTES / 8))
#define SVE_SIG_FFR_SIZE(vq) SVE_SIG_PREG_SIZE(vq)
#define SVE_SIG_REGS_OFFSET \
((sizeof(struct sve_context) + (SVE_VQ_BYTES - 1)) \
/ SVE_VQ_BYTES * SVE_VQ_BYTES)
#define SVE_SIG_ZREGS_OFFSET SVE_SIG_REGS_OFFSET
#define SVE_SIG_ZREG_OFFSET(vq, n) \
(SVE_SIG_ZREGS_OFFSET + SVE_SIG_ZREG_SIZE(vq) * (n))
#define SVE_SIG_ZREGS_SIZE(vq) \
(SVE_SIG_ZREG_OFFSET(vq, SVE_NUM_ZREGS) - SVE_SIG_ZREGS_OFFSET)
#define SVE_SIG_PREGS_OFFSET(vq) \
(SVE_SIG_ZREGS_OFFSET + SVE_SIG_ZREGS_SIZE(vq))
#define SVE_SIG_PREG_OFFSET(vq, n) \
(SVE_SIG_PREGS_OFFSET(vq) + SVE_SIG_PREG_SIZE(vq) * (n))
#define SVE_SIG_PREGS_SIZE(vq) \
(SVE_SIG_PREG_OFFSET(vq, SVE_NUM_PREGS) - SVE_SIG_PREGS_OFFSET(vq))
#define SVE_SIG_FFR_OFFSET(vq) \
(SVE_SIG_PREGS_OFFSET(vq) + SVE_SIG_PREGS_SIZE(vq))
#define SVE_SIG_REGS_SIZE(vq) \
(SVE_SIG_FFR_OFFSET(vq) + SVE_SIG_FFR_SIZE(vq) - SVE_SIG_REGS_OFFSET)
#define SVE_SIG_CONTEXT_SIZE(vq) (SVE_SIG_REGS_OFFSET + SVE_SIG_REGS_SIZE(vq))
#else
typedef struct {
long double __regs[18+256];
} mcontext_t;
#endif
struct sigaltstack {
void *ss_sp;
int ss_flags;
size_t ss_size;
};
typedef struct __ucontext {
unsigned long uc_flags;
struct __ucontext *uc_link;
stack_t uc_stack;
sigset_t uc_sigmask;
mcontext_t uc_mcontext;
} ucontext_t;
#define SA_NOCLDSTOP 1
#define SA_NOCLDWAIT 2
#define SA_SIGINFO 4
#define SA_ONSTACK 0x08000000
#define SA_RESTART 0x10000000
#define SA_NODEFER 0x40000000
#define SA_RESETHAND 0x80000000
#define SA_RESTORER 0x04000000
#endif
#define SIGHUP 1
#define SIGINT 2
#define SIGQUIT 3
#define SIGILL 4
#define SIGTRAP 5
#define SIGABRT 6
#define SIGIOT SIGABRT
#define SIGBUS 7
#define SIGFPE 8
#define SIGKILL 9
#define SIGUSR1 10
#define SIGSEGV 11
#define SIGUSR2 12
#define SIGPIPE 13
#define SIGALRM 14
#define SIGTERM 15
#define SIGSTKFLT 16
#define SIGCHLD 17
#define SIGCONT 18
#define SIGSTOP 19
#define SIGTSTP 20
#define SIGTTIN 21
#define SIGTTOU 22
#define SIGURG 23
#define SIGXCPU 24
#define SIGXFSZ 25
#define SIGVTALRM 26
#define SIGPROF 27
#define SIGWINCH 28
#define SIGIO 29
#define SIGPOLL 29
#define SIGPWR 30
#define SIGSYS 31
#define SIGUNUSED SIGSYS
#define _NSIG 65
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