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 	int 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(CPUPPCState *state)

    25 {

    26     return state->gpr[1];

    27 }

    28 

    29 #endif /* TARGET_SIGNAL_H */