summaryrefslogblamecommitdiffstats
path: root/linux-user/sparc/target_signal.h
blob: 2df38c805f730634e135b5dffde6a93745ed1e61 (plain) (tree)
1
2
3
4
5
6
7
8







                                                              


                          
                 










                                     






                              
                                                                  



                                   
 
                            
#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;
} target_stack_t;


/*
 * 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 */