#ifndef _INCLUDE_XNU_THREADS_H_
#define _INCLUDE_XNU_THREADS_H_

#if __POWERPC__
//TODO add better support for PPC
#	define R_REG_T ppc_thread_state_t
#	define R_REG_STATE_T PPC_THREAD_STATE
#	define R_REG_STATE_SZ PPC_THREAD_STATE_SZ
#elif __arm64 || __aarch64
#	include <mach/arm/thread_status.h>
#	ifndef ARM_THREAD_STATE
#		define ARM_THREAD_STATE 1
#	endif
#	ifndef ARM_THREAD_STATE64
#		define ARM_THREAD_STATE64 6
#	endif
typedef union r_xnu_arm_reg_state_t {
	// which one is used here is determined by RzXnuDebug.cpu
//	arm_thread_state32_t arm32;
//	arm_thread_state64_t arm64;
} RXnuArmRegState;
#undef R_REG_T
// #define R_REG_T        RXnuArmRegState
// typedef struct arm_unified_thread_state arm_unified_thread_state_t;
#	define R_REG_T arm_unified_thread_state_t
#elif __arm || __arm__
#undef R_REG_T
#	define R_REG_T arm_unified_thread_state_t
#	define R_REG_STATE_T MACHINE_THREAD_STATE
#	define R_REG_STATE_SZ MACHINE_THREAD_STATE_COUNT
#elif __x86_64__ || __i386__
#	define R_REG_T x86_thread_state_t
#	define R_REG_STATE_T MACHINE_THREAD_STATE
#	define R_REG_STATE_SZ MACHINE_THREAD_STATE_COUNT
#endif

#define RETURN_ON_MACH_ERROR(msg, retval)\
        if (kr != KERN_SUCCESS) {mach_error (msg, kr); return ((retval));}

typedef struct _exception_info {
	exception_mask_t masks[EXC_TYPES_COUNT];
	mach_port_t ports[EXC_TYPES_COUNT];
	exception_behavior_t behaviors[EXC_TYPES_COUNT];
	thread_state_flavor_t flavors[EXC_TYPES_COUNT];
	mach_msg_type_number_t count;
	pthread_t thread;
	mach_port_t exception_port;
} xnu_exception_info;


//XXX use radare types
typedef struct _xnu_thread {
	thread_t port; //mach_port // XXX bad naming here
	char *name; //name of thread
	thread_basic_info_data_t basic_info; //need this?
	ut8 stepping; // thread is stepping or not //TODO implement stepping
	R_REG_T gpr; // type R_REG_T using unified API XXX bad naming
	void *state;
	ut32 state_size;
#if __arm64 || __aarch64 || __arm64__ || __aarch64__ || __arm64e__
	union {
		arm_debug_state32_t drx32;
		arm_debug_state64_t drx64;
	} debug;
#elif __arm__ || __arm || __armv7__
	union {
		arm_debug_state_t drx;
	} debug;
#elif __x86_64__ || __i386__
	x86_debug_state_t drx;
#endif
	ut16 flavor;
	ut32 count;
} xnu_thread_t;

R_PACKED(
	typedef struct {
		mach_exception_data_type_t values[EXCEPTION_CODE_MAX];
	})
xnu_exception_data_t;

typedef struct _exc_msg {
	mach_msg_header_t hdr;
	/* start of the kernel processed data */
	mach_msg_body_t msg_body;
	mach_msg_port_descriptor_t thread;
	mach_msg_port_descriptor_t task;
	/* end of the kernel processed data */
	NDR_record_t NDR;
	exception_type_t exception;
	mach_msg_type_number_t code_cnt;
#if !__POWERPC__
	xnu_exception_data_t code;
#endif
	/* some times RCV_TO_LARGE probs */
	char pad[512];
} exc_msg;

typedef struct _rep_msg {
	mach_msg_header_t hdr;
	NDR_record_t NDR;
	kern_return_t ret_code;
} rep_msg;


#endif