machdep_call.h   [plain text]


/*
 * Copyright (c) 2007 Apple Inc. All rights reserved.
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 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
 *
 * This file contains Original Code and/or Modifications of Original Code
 * as defined in and that are subject to the Apple Public Source License
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 * may not be used to create, or enable the creation or redistribution of,
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 * Please obtain a copy of the License at
 * http://www.opensource.apple.com/apsl/ and read it before using this file.
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/*
 * Copyright (c) 1992 NeXT Computer, Inc.
 *
 * Machine dependent kernel call table defines.
 *
 * HISTORY
 *
 * 17 June 1992 ? at NeXT
 *	Created.
 */

typedef union {
	kern_return_t           (*args_0)(void);
	kern_return_t           (*args_1)(vm_address_t);
	kern_return_t           (*args_2)(vm_address_t, vm_address_t);
	kern_return_t           (*args_3)(vm_address_t, vm_address_t, vm_address_t);
	kern_return_t           (*args_4)(vm_address_t, vm_address_t, vm_address_t, vm_address_t);
	kern_return_t           (*args_var)(vm_address_t, ...);
} machdep_call_routine_t;

#define MACHDEP_CALL_ROUTINE(func, args) \
	{ { .args_ ## args = func }, args }

typedef struct {
	machdep_call_routine_t      routine;
	int                         nargs;
} machdep_call_t;

extern const machdep_call_t             machdep_call_table[];
extern int                      machdep_call_count;

extern vm_address_t             thread_get_cthread_self(void);
extern kern_return_t            thread_set_cthread_self(vm_address_t);

// Read and write raw TPIDRURO / TPIDRRO_EL0
uintptr_t                       get_tpidrro(void);
void                            set_tpidrro(uintptr_t);