1 #ifndef OPENRISC_TARGET_SIGNAL_H 2 #define OPENRISC_TARGET_SIGNAL_H 3 4 #include "cpu.h" 5 6 /* this struct defines a stack used during syscall handling */ 7 8 typedef struct target_sigaltstack { 9 abi_long ss_sp; 10 abi_ulong ss_size; 11 abi_long ss_flags; 12 } target_stack_t; 13 14 /* sigaltstack controls */ 15 #define TARGET_SS_ONSTACK 1 16 #define TARGET_SS_DISABLE 2 17 18 #define TARGET_MINSIGSTKSZ 2048 19 #define TARGET_SIGSTKSZ 8192 20 21 static inline abi_ulong get_sp_from_cpustate(CPUOpenRISCState *state) 22 { 23 return cpu_get_gpr(state, 1); 24 } 25 26 27 #endif /* OPENRISC_TARGET_SIGNAL_H */ 28