target_signal.h

kvm 源代码

#ifndef TARGET_SIGNAL_H
#define TARGET_SIGNAL_H

#include "cpu.h"

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

typedef struct target_sigaltstack {
	target_ulong ss_sp;
	target_long ss_flags;
	target_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 target_ulong get_sp_from_cpustate(CPUX86State *state)
{
    return state->regs[R_ESP];
}

#endif /* TARGET_SIGNAL_H */