libc-top-half/musl/arch/aarch64/bits/signal.h

   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