qemu/linux-user/ppc/target_signal.h

#ifndef PPC_TARGET_SIGNAL_H
#define PPC_TARGET_SIGNAL_H

#include "cpu.h"

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

typedef struct target_sigaltstack {
	abi_ulong ss_sp;
	int ss_flags;
	abi_ulong ss_size;
} target_stack_t;


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

#define TARGET_MINSIGSTKSZ    2048
#define TARGET_SIGSTKSZ       8192

static inline abi_ulong get_sp_from_cpustate(CPUPPCState *state)
{
    return state->gpr[1];
}

#if !defined(TARGET_PPC64)
void setup_frame(int sig, struct target_sigaction *ka,
                 target_sigset_t *set, CPUPPCState *env);
#endif
void setup_rt_frame(int sig, struct target_sigaction *ka,
                    target_siginfo_t *info,
                    target_sigset_t *set, CPUPPCState *env);
#endif /* PPC_TARGET_SIGNAL_H */