Merge branch 'for-upstream' of git://repo.or.cz/qemu/agraf
[qemu.git] / linux-user / i386 / target_signal.h
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 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 #endif /* TARGET_SIGNAL_H */