aboutsummaryrefslogtreecommitdiff
path: root/linux-user/sparc/target_signal.h
blob: a63ee7f6dcc0e4a2f6ec39daffeef054714055a2 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
#ifndef TARGET_SIGNAL_H
#define TARGET_SIGNAL_H

#include "cpu.h"

/* this struct defines a stack used during syscall handling */

typedef struct target_sigaltstack {
	abi_ulong ss_sp;
	abi_long ss_flags;
	abi_ulong ss_size;
} a_target_stack;


/*
 * sigaltstack controls
 */
#define TARGET_SS_ONSTACK	1
#define TARGET_SS_DISABLE	2

#define TARGET_MINSIGSTKSZ	4096
#define TARGET_SIGSTKSZ		16384

#ifndef UREG_I6
#define UREG_I6        6
#endif
#ifndef UREG_FP
#define UREG_FP        UREG_I6
#endif

static inline abi_ulong get_sp_from_cpustate(CPUSPARCState *state)
{
    return state->regwptr[UREG_FP];
}

#endif /* TARGET_SIGNAL_H */