virtio-serial: Don't clear ->have_data() pointer after unplug
[qemu/ar7.git] / linux-user / sparc / target_signal.h
blobc7de300cd7d2862fb0756bdc151efc00d02902e8
1 #ifndef TARGET_SIGNAL_H
2 #define TARGET_SIGNAL_H
4 #include "cpu.h"
6 /* this struct defines a stack used during syscall handling */
8 typedef struct target_sigaltstack {
9 abi_ulong ss_sp;
10 abi_long ss_flags;
11 abi_ulong ss_size;
12 } target_stack_t;
16 * sigaltstack controls
18 #define TARGET_SS_ONSTACK 1
19 #define TARGET_SS_DISABLE 2
21 #define TARGET_MINSIGSTKSZ 4096
22 #define TARGET_SIGSTKSZ 16384
24 #ifndef UREG_I6
25 #define UREG_I6 6
26 #endif
27 #ifndef UREG_FP
28 #define UREG_FP UREG_I6
29 #endif
31 static inline abi_ulong get_sp_from_cpustate(CPUSPARCState *state)
33 return state->regwptr[UREG_FP];
36 #endif /* TARGET_SIGNAL_H */