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 2048 6 # define SIGSTKSZ 8192 7 #endif 8 9 typedef unsigned long __riscv_mc_gp_state[32]; 10 11 struct __riscv_mc_f_ext_state { 12 unsigned int __f[32]; 13 unsigned int __fcsr; 14 }; 15 16 struct __riscv_mc_d_ext_state { 17 unsigned long long __f[32]; 18 unsigned int __fcsr; 19 }; 20 21 struct __riscv_mc_q_ext_state { 22 unsigned long long __f[64] __attribute__((aligned(16))); 23 unsigned int __fcsr; 24 unsigned int __reserved[3]; 25 }; 26 27 union __riscv_mc_fp_state { 28 struct __riscv_mc_f_ext_state __f; 29 struct __riscv_mc_d_ext_state __d; 30 struct __riscv_mc_q_ext_state __q; 31 }; 32 33 typedef struct mcontext_t { 34 __riscv_mc_gp_state __gregs; 35 union __riscv_mc_fp_state __fpregs; 36 } mcontext_t; 37 38 #if defined(_GNU_SOURCE) 39 #define REG_PC 0 40 #define REG_RA 1 41 #define REG_SP 2 42 #define REG_TP 4 43 #define REG_S0 8 44 #define REG_A0 10 45 #endif 46 47 #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE) 48 typedef unsigned long greg_t; 49 typedef unsigned long gregset_t[32]; 50 typedef union __riscv_mc_fp_state fpregset_t; 51 struct sigcontext { 52 gregset_t gregs; 53 fpregset_t fpregs; 54 }; 55 #endif 56 57 struct sigaltstack { 58 void *ss_sp; 59 int ss_flags; 60 size_t ss_size; 61 }; 62 63 typedef struct __ucontext 64 { 65 unsigned long uc_flags; 66 struct __ucontext *uc_link; 67 stack_t uc_stack; 68 sigset_t uc_sigmask; 69 mcontext_t uc_mcontext; 70 } ucontext_t; 71 72 #define SA_NOCLDSTOP 1 73 #define SA_NOCLDWAIT 2 74 #define SA_SIGINFO 4 75 #define SA_ONSTACK 0x08000000 76 #define SA_RESTART 0x10000000 77 #define SA_NODEFER 0x40000000 78 #define SA_RESETHAND 0x80000000 79 #define SA_RESTORER 0x04000000 80 81 #endif 82 83 #define SIGHUP 1 84 #define SIGINT 2 85 #define SIGQUIT 3 86 #define SIGILL 4 87 #define SIGTRAP 5 88 #define SIGABRT 6 89 #define SIGIOT SIGABRT 90 #define SIGBUS 7 91 #define SIGFPE 8 92 #define SIGKILL 9 93 #define SIGUSR1 10 94 #define SIGSEGV 11 95 #define SIGUSR2 12 96 #define SIGPIPE 13 97 #define SIGALRM 14 98 #define SIGTERM 15 99 #define SIGSTKFLT 16 100 #define SIGCHLD 17 101 #define SIGCONT 18 102 #define SIGSTOP 19 103 #define SIGTSTP 20 104 #define SIGTTIN 21 105 #define SIGTTOU 22 106 #define SIGURG 23 107 #define SIGXCPU 24 108 #define SIGXFSZ 25 109 #define SIGVTALRM 26 110 #define SIGPROF 27 111 #define SIGWINCH 28 112 #define SIGIO 29 113 #define SIGPOLL SIGIO 114 #define SIGPWR 30 115 #define SIGSYS 31 116 #define SIGUNUSED SIGSYS 117 118 #define _NSIG 65 119