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linux-user/x86_64/target_signal.h 526 Bytes
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#ifndef TARGET_SIGNAL_H
#define TARGET_SIGNAL_H

#include "cpu.h"

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

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


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

#define TARGET_MINSIGSTKSZ	2048
#define TARGET_SIGSTKSZ		8192
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static inline abi_ulong get_sp_from_cpustate(CPUX86State *state)
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{
    return state->regs[R_ESP];
}
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#endif /* TARGET_SIGNAL_H */