symbian-qemu-0.9.1-12/qemu-symbian-svp/linux-user/sh4/target_signal.h
author Mike Kinghan <mikek@symbian.org>
Thu, 25 Nov 2010 14:28:39 +0000
branchGCC_SURGE
changeset 135 10852f1a0ae9
parent 1 2fb8b9db1c86
permissions -rw-r--r--
Merge a pointless head that got away.

#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    2048
#define TARGET_SIGSTKSZ       8192

static inline abi_ulong get_sp_from_cpustate(CPUSH4State *state)
{
    return state->gregs[15];
}

#endif /* TARGET_SIGNAL_H */