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Chen Gang2cb154b2015-08-21 05:35:43 +08001#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 {
9 abi_ulong ss_sp;
10 abi_int ss_flags;
11 abi_ulong ss_size;
12} target_stack_t;
13
14/*
15 * sigaltstack controls
16 */
17#define TARGET_SS_ONSTACK 1
18#define TARGET_SS_DISABLE 2
19
20#define TARGET_MINSIGSTKSZ 2048
21#define TARGET_SIGSTKSZ 8192
22
23static inline abi_ulong get_sp_from_cpustate(CPUTLGState *state)
24{
25 return state->regs[TILEGX_R_SP];
26}
27
28#endif /* TARGET_SIGNAL_H */