1 #ifndef TARGET_SIGNAL_H 2 #define 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 target_ulong ss_sp; 10 target_long ss_flags; 11 target_ulong ss_size; 12 } target_stack_t; 13 14 15 /* 16 * sigaltstack controls 17 */ 18 #define TARGET_SS_ONSTACK 1 19 #define TARGET_SS_DISABLE 2 20 21 #define TARGET_MINSIGSTKSZ 4096 22 #define TARGET_SIGSTKSZ 16384 23 24 static inline target_ulong get_sp_from_cpustate(CPUAlphaState *state) 25 { 26 return state->ir[IR_SP]; 27 } 28 29 #endif /* TARGET_SIGNAL_H */ 30