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:         abi_ulong ss_sp;
   10:         abi_long ss_flags;
   11:         abi_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: #ifndef UREG_I6
   25: #define UREG_I6        6
   26: #endif
   27: #ifndef UREG_FP
   28: #define UREG_FP        UREG_I6
   29: #endif
   30: 
   31: static inline abi_ulong get_sp_from_cpustate(CPUSPARCState *state)
   32: {
   33:     return state->regwptr[UREG_FP];
   34: }
   35: 
   36: #endif /* TARGET_SIGNAL_H */