-/* this struct defines a stack used during syscall handling */
-
-typedef struct target_sigaltstack {
- abi_long ss_sp;
- abi_int ss_flags;
- abi_ulong ss_size;
-} target_stack_t;
-
-/* sigaltstack controls */
-#define TARGET_SS_ONSTACK 1
-#define TARGET_SS_DISABLE 2
-
-#define TARGET_SA_NOCLDSTOP 0x00000001
-#define TARGET_SA_NOCLDWAIT 0x00000002
-#define TARGET_SA_SIGINFO 0x00000004
-#define TARGET_SA_ONSTACK 0x08000000
-#define TARGET_SA_RESTART 0x10000000
-#define TARGET_SA_NODEFER 0x40000000
-#define TARGET_SA_RESETHAND 0x80000000
-
-#define TARGET_MINSIGSTKSZ 2048
-#define TARGET_SIGSTKSZ 8192
-