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) 10 typedef unsigned long greg_t; 11 typedef unsigned long gregset_t[34]; 12 13 typedef struct { 14 __uint128_t vregs[32]; 15 unsigned int fpsr; 16 unsigned int fpcr; 17 } fpregset_t; 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]; 23 } mcontext_t; 24 25 #define FPSIMD_MAGIC 0x46508001 26 #define ESR_MAGIC 0x45535201 27 #define EXTRA_MAGIC 0x45585401 28 #define SVE_MAGIC 0x53564501 29 struct _aarch64_ctx { 30 unsigned int magic; 31 unsigned int size; 32 }; 33 struct fpsimd_context { 34 struct _aarch64_ctx head; 35 unsigned int fpsr; 36 unsigned int fpcr; 37 __uint128_t vregs[32]; 38 }; 39 struct esr_context { 40 struct _aarch64_ctx head; 41 unsigned long esr; 42 }; 43 struct extra_context { 44 struct _aarch64_ctx head; 45 unsigned long datap; 46 unsigned int size; 47 unsigned int __reserved[3]; 48 }; 49 struct 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 88 typedef struct { 89 long double __regs[18+256]; 90 } mcontext_t; 91 #endif 92 93 struct sigaltstack { 94 void *ss_sp; 95 int ss_flags; 96 size_t ss_size; 97 }; 98 99 typedef 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