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_S1 9 45 #define REG_A0 10 46 #define REG_S2 18 47 #endif 48 49 #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE) 50 typedef unsigned long greg_t; 51 typedef unsigned long gregset_t[32]; 52 typedef union __riscv_mc_fp_state fpregset_t; 53 struct sigcontext { 54 gregset_t gregs; 55 fpregset_t fpregs; 56 }; 57 #endif 58 59 struct sigaltstack { 60 void *ss_sp; 61 int ss_flags; 62 size_t ss_size; 63 }; 64 65 typedef struct __ucontext 66 { 67 unsigned long uc_flags; 68 struct __ucontext *uc_link; 69 stack_t uc_stack; 70 sigset_t uc_sigmask; 71 mcontext_t uc_mcontext; 72 } ucontext_t; 73 74 #define SA_NOCLDSTOP 1 75 #define SA_NOCLDWAIT 2 76 #define SA_SIGINFO 4 77 #define SA_ONSTACK 0x08000000 78 #define SA_RESTART 0x10000000 79 #define SA_NODEFER 0x40000000 80 #define SA_RESETHAND 0x80000000 81 82 #endif 83 84 #define SIGHUP 1 85 #define SIGINT 2 86 #define SIGQUIT 3 87 #define SIGILL 4 88 #define SIGTRAP 5 89 #define SIGABRT 6 90 #define SIGIOT SIGABRT 91 #define SIGBUS 7 92 #define SIGFPE 8 93 #define SIGKILL 9 94 #define SIGUSR1 10 95 #define SIGSEGV 11 96 #define SIGUSR2 12 97 #define SIGPIPE 13 98 #define SIGALRM 14 99 #define SIGTERM 15 100 #define SIGSTKFLT 16 101 #define SIGCHLD 17 102 #define SIGCONT 18 103 #define SIGSTOP 19 104 #define SIGTSTP 20 105 #define SIGTTIN 21 106 #define SIGTTOU 22 107 #define SIGURG 23 108 #define SIGXCPU 24 109 #define SIGXFSZ 25 110 #define SIGVTALRM 26 111 #define SIGPROF 27 112 #define SIGWINCH 28 113 #define SIGIO 29 114 #define SIGPOLL SIGIO 115 #define SIGPWR 30 116 #define SIGSYS 31 117 #define SIGUNUSED SIGSYS 118 119 #define _NSIG 65 120