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 8typedef 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 31static inline abi_ulong get_sp_from_cpustate(CPUSPARCState *state) 32{ 33 return state->regwptr[UREG_FP]; 34} 35 36#endif /* TARGET_SIGNAL_H */ 37