1 #ifndef I386_TARGET_SIGNAL_H 2 #define I386_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 2048 22 #define TARGET_SIGSTKSZ 8192 23 24 static inline abi_ulong get_sp_from_cpustate(CPUX86State *state) 25 { 26 return state->regs[R_ESP]; 27 } 28 29 void setup_frame(int sig, struct target_sigaction *ka, 30 target_sigset_t *set, CPUX86State *env); 31 void setup_rt_frame(int sig, struct target_sigaction *ka, 32 target_siginfo_t *info, 33 target_sigset_t *set, CPUX86State *env); 34 #endif /* I386_TARGET_SIGNAL_H */ 35