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thsa04e1342007-09-27 13:57:58 +00001#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
8typedef struct target_sigaltstack {
blueswir1992f48a2007-10-14 16:27:31 +00009 abi_ulong ss_sp;
10 abi_long ss_flags;
11 abi_ulong ss_size;
Anthony Liguoric227f092009-10-01 16:12:16 -050012} target_stack_t;
thsa04e1342007-09-27 13:57:58 +000013
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
blueswir1992f48a2007-10-14 16:27:31 +000024static inline abi_ulong get_sp_from_cpustate(CPUX86State *state)
j_mayer8bb1f9c2007-09-29 13:12:58 +000025{
26 return state->regs[R_ESP];
27}
28
thsa04e1342007-09-27 13:57:58 +000029#endif /* TARGET_SIGNAL_H */