1 #ifndef SPARC_TARGET_SIGNAL_H 2 #define SPARC_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 37 #endif /* SPARC_TARGET_SIGNAL_H */ 38