xref: /xnu-8796.101.5/osfmk/mach/arm/_structs.h (revision aca3beaa3dfbd42498b42c5e5ce20a938e6554e5)

/*
 * Copyright (c) 2004-2007 Apple Inc. All rights reserved.
 *
 * @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
 * Version 2.0 (the 'License'). You may not use this file except in
 * compliance with the License. The rights granted to you under the License
 * may not be used to create, or enable the creation or redistribution of,
 * unlawful or unlicensed copies of an Apple operating system, or to
 * circumvent, violate, or enable the circumvention or violation of, any
 * terms of an Apple operating system software license agreement.
 *
 * Please obtain a copy of the License at
 * http://www.opensource.apple.com/apsl/ and read it before using this file.
 *
 * The Original Code and all software distributed under the License are
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
 * Please see the License for the specific language governing rights and
 * limitations under the License.
 *
 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
 */
/*
 * @OSF_COPYRIGHT@
 */
#ifndef _MACH_ARM__STRUCTS_H_
#define _MACH_ARM__STRUCTS_H_

#if defined (__arm__) || defined (__arm64__)

#include <sys/cdefs.h> /* __DARWIN_UNIX03 */
#include <machine/types.h> /* __uint32_t */

#if __DARWIN_UNIX03
#define _STRUCT_ARM_EXCEPTION_STATE struct __darwin_arm_exception_state
_STRUCT_ARM_EXCEPTION_STATE
{
	__uint32_t __exception; /* number of arm exception taken */
	__uint32_t __fsr;       /* Fault status */
	__uint32_t __far;       /* Virtual Fault Address */
};
#else /* !__DARWIN_UNIX03 */
#define _STRUCT_ARM_EXCEPTION_STATE struct arm_exception_state
_STRUCT_ARM_EXCEPTION_STATE
{
	__uint32_t exception;   /* number of arm exception taken */
	__uint32_t fsr;         /* Fault status */
	__uint32_t far;         /* Virtual Fault Address */
};
#endif /* __DARWIN_UNIX03 */

#if __DARWIN_UNIX03
#define _STRUCT_ARM_EXCEPTION_STATE64 struct __darwin_arm_exception_state64
_STRUCT_ARM_EXCEPTION_STATE64
{
	__uint64_t __far;       /* Virtual Fault Address */
	__uint32_t __esr;       /* Exception syndrome */
	__uint32_t __exception; /* number of arm exception taken */
};
#else /* !__DARWIN_UNIX03 */
#define _STRUCT_ARM_EXCEPTION_STATE64 struct arm_exception_state64
_STRUCT_ARM_EXCEPTION_STATE64
{
	__uint64_t far;         /* Virtual Fault Address */
	__uint32_t esr;         /* Exception syndrome */
	__uint32_t exception;   /* number of arm exception taken */
};
#endif /* __DARWIN_UNIX03 */

#if __DARWIN_UNIX03
#define _STRUCT_ARM_THREAD_STATE struct __darwin_arm_thread_state
_STRUCT_ARM_THREAD_STATE
{
	__uint32_t __r[13]; /* General purpose register r0-r12 */
	__uint32_t __sp;    /* Stack pointer r13 */
	__uint32_t __lr;    /* Link register r14 */
	__uint32_t __pc;    /* Program counter r15 */
	__uint32_t __cpsr;  /* Current program status register */
};
#else /* !__DARWIN_UNIX03 */
#define _STRUCT_ARM_THREAD_STATE struct arm_thread_state
_STRUCT_ARM_THREAD_STATE
{
	__uint32_t r[13];   /* General purpose register r0-r12 */
	__uint32_t sp;      /* Stack pointer r13 */
	__uint32_t lr;      /* Link register r14 */
	__uint32_t pc;      /* Program counter r15 */
	__uint32_t cpsr;    /* Current program status register */
};
#endif /* __DARWIN_UNIX03 */

#if defined(KERNEL)

#define __DARWIN_OPAQUE_ARM_THREAD_STATE64 0
#define __DARWIN_ARM_THREAD_STATE64_FLAGS_NO_PTRAUTH 0x1
#define __DARWIN_ARM_THREAD_STATE64_FLAGS_IB_SIGNED_LR 0x2
#define __DARWIN_ARM_THREAD_STATE64_FLAGS_KERNEL_SIGNED_PC 0x4
#define __DARWIN_ARM_THREAD_STATE64_FLAGS_KERNEL_SIGNED_LR 0x8

#define __DARWIN_ARM_THREAD_STATE64_USER_DIVERSIFIER_MASK 0xff000000
#define __DARWIN_ARM_THREAD_STATE64_SIGRETURN_PC_MASK 0x000f0000
#define __DARWIN_ARM_THREAD_STATE64_SIGRETURN_LR_MASK 0x00f00000

#define __DARWIN_ARM_THREAD_STATE64_SET_SIGRETURN_TOKEN(ts, token, mask) \
    ((ts)->flags |= (((uint32_t)(token)) & (mask)))

#define __DARWIN_ARM_THREAD_STATE64_CHECK_SIGRETURN_TOKEN(ts, token, mask) \
    (((ts)->flags & (mask)) == \
    (((uint32_t)(token)) & (mask)))

#define _STRUCT_ARM_THREAD_STATE64      struct arm_thread_state64
_STRUCT_ARM_THREAD_STATE64
{
	__uint64_t    x[29];    /* General purpose registers x0-x28 */
	__uint64_t    fp;               /* Frame pointer x29 */
	__uint64_t    lr;               /* Link register x30 */
	__uint64_t    sp;               /* Stack pointer x31 */
	__uint64_t    pc;               /* Program counter */
	__uint32_t    cpsr;             /* Current program status register */
	__uint32_t    flags;    /* Flags describing structure format */
};

#else /* defined(KERNEL) */

/*
 * By default, the pointer fields in the arm_thread_state64_t structure are
 * opaque on the arm64e architecture and require the use of accessor macros.
 * This mode can also be enabled on the arm64 architecture by building with
 * -D__DARWIN_OPAQUE_ARM_THREAD_STATE64=1.
 */
#if defined(__arm64__) && defined(__LP64__)

#if __has_feature(ptrauth_calls)
#define __DARWIN_OPAQUE_ARM_THREAD_STATE64 1
#define __DARWIN_PTRAUTH_ARM_THREAD_STATE64 1
#endif /* __has_feature(ptrauth_calls) */

#ifndef __DARWIN_OPAQUE_ARM_THREAD_STATE64
#define __DARWIN_OPAQUE_ARM_THREAD_STATE64 0
#endif

#else /* defined(__arm64__) && defined(__LP64__) */

#undef __DARWIN_OPAQUE_ARM_THREAD_STATE64
#define __DARWIN_OPAQUE_ARM_THREAD_STATE64 0

#endif /* defined(__arm64__) && defined(__LP64__) */

#if __DARWIN_UNIX03
#define _STRUCT_ARM_THREAD_STATE64 struct __darwin_arm_thread_state64
#if __DARWIN_OPAQUE_ARM_THREAD_STATE64
_STRUCT_ARM_THREAD_STATE64
{
	__uint64_t __x[29];     /* General purpose registers x0-x28 */
	void*      __opaque_fp; /* Frame pointer x29 */
	void*      __opaque_lr; /* Link register x30 */
	void*      __opaque_sp; /* Stack pointer x31 */
	void*      __opaque_pc; /* Program counter */
	__uint32_t __cpsr;      /* Current program status register */
	__uint32_t __opaque_flags; /* Flags describing structure format */
};
#else /* __DARWIN_OPAQUE_ARM_THREAD_STATE64 */
_STRUCT_ARM_THREAD_STATE64
{
	__uint64_t __x[29]; /* General purpose registers x0-x28 */
	__uint64_t __fp;    /* Frame pointer x29 */
	__uint64_t __lr;    /* Link register x30 */
	__uint64_t __sp;    /* Stack pointer x31 */
	__uint64_t __pc;    /* Program counter */
	__uint32_t __cpsr;  /* Current program status register */
	__uint32_t __pad;   /* Same size for 32-bit or 64-bit clients */
};
#endif /* __DARWIN_OPAQUE_ARM_THREAD_STATE64 */
#else /* !__DARWIN_UNIX03 */
#define _STRUCT_ARM_THREAD_STATE64 struct arm_thread_state64
#if __DARWIN_OPAQUE_ARM_THREAD_STATE64
_STRUCT_ARM_THREAD_STATE64
{
	__uint64_t x[29];       /* General purpose registers x0-x28 */
	void*      __opaque_fp; /* Frame pointer x29 */
	void*      __opaque_lr; /* Link register x30 */
	void*      __opaque_sp; /* Stack pointer x31 */
	void*      __opaque_pc; /* Program counter */
	__uint32_t cpsr;        /* Current program status register */
	__uint32_t __opaque_flags; /* Flags describing structure format */
};
#else /* __DARWIN_OPAQUE_ARM_THREAD_STATE64 */
_STRUCT_ARM_THREAD_STATE64
{
	__uint64_t x[29]; /* General purpose registers x0-x28 */
	__uint64_t fp;    /* Frame pointer x29 */
	__uint64_t lr;    /* Link register x30 */
	__uint64_t sp;    /* Stack pointer x31 */
	__uint64_t pc;    /* Program counter */
	__uint32_t cpsr;  /* Current program status register */
	__uint32_t __pad; /* Same size for 32-bit or 64-bit clients */
};
#endif /* __DARWIN_OPAQUE_ARM_THREAD_STATE64 */
#endif /* __DARWIN_UNIX03 */

#if __DARWIN_C_LEVEL >= __DARWIN_C_FULL && defined(__arm64__)

/* Accessor macros for arm_thread_state64_t pointer fields */

#if __has_feature(ptrauth_calls) && defined(__LP64__)
#include <ptrauth.h>

#if !__DARWIN_OPAQUE_ARM_THREAD_STATE64 || !__DARWIN_PTRAUTH_ARM_THREAD_STATE64
#error "Invalid configuration"
#endif

#define __DARWIN_ARM_THREAD_STATE64_FLAGS_NO_PTRAUTH 0x1
#define __DARWIN_ARM_THREAD_STATE64_FLAGS_IB_SIGNED_LR 0x2
#define __DARWIN_ARM_THREAD_STATE64_FLAGS_KERNEL_SIGNED_PC 0x4
#define __DARWIN_ARM_THREAD_STATE64_FLAGS_KERNEL_SIGNED_LR 0x8

#define __DARWIN_ARM_THREAD_STATE64_USER_DIVERSIFIER_MASK 0xff000000

/* Return pc field of arm_thread_state64_t as a data pointer value */
#define __darwin_arm_thread_state64_get_pc(ts) \
	__extension__ ({ const _STRUCT_ARM_THREAD_STATE64 *__tsp = &(ts); \
	(uintptr_t)(__tsp->__opaque_pc && !(__tsp->__opaque_flags &       \
	__DARWIN_ARM_THREAD_STATE64_FLAGS_NO_PTRAUTH) ?                   \
	ptrauth_auth_data(__tsp->__opaque_pc,                             \
	ptrauth_key_process_independent_code,                             \
	((__tsp->__opaque_flags &                                         \
	__DARWIN_ARM_THREAD_STATE64_FLAGS_KERNEL_SIGNED_PC) == 0 &&       \
	(__tsp->__opaque_flags &                                          \
	__DARWIN_ARM_THREAD_STATE64_USER_DIVERSIFIER_MASK)) ?             \
	ptrauth_blend_discriminator((void *)(unsigned long)               \
	(__tsp->__opaque_flags &                                          \
	__DARWIN_ARM_THREAD_STATE64_USER_DIVERSIFIER_MASK),               \
	ptrauth_string_discriminator("pc")) :                             \
	ptrauth_string_discriminator("pc")) : __tsp->__opaque_pc); })
/* Return pc field of arm_thread_state64_t as a function pointer. May return
 * NULL if a valid function pointer cannot be constructed, the caller should
 * fall back to the __darwin_arm_thread_state64_get_pc() macro in that case. */
#define __darwin_arm_thread_state64_get_pc_fptr(ts) \
	__extension__ ({ const _STRUCT_ARM_THREAD_STATE64 *__tsp = &(ts); \
	(__tsp->__opaque_pc && !(__tsp->__opaque_flags &                  \
	__DARWIN_ARM_THREAD_STATE64_FLAGS_NO_PTRAUTH) ?                   \
	ptrauth_auth_function(__tsp->__opaque_pc,                         \
	ptrauth_key_process_independent_code,                             \
	((__tsp->__opaque_flags &                                         \
	__DARWIN_ARM_THREAD_STATE64_FLAGS_KERNEL_SIGNED_PC) == 0 &&       \
	(__tsp->__opaque_flags &                                          \
	__DARWIN_ARM_THREAD_STATE64_USER_DIVERSIFIER_MASK)) ?             \
	ptrauth_blend_discriminator((void *)(unsigned long)               \
	(__tsp->__opaque_flags &                                          \
	__DARWIN_ARM_THREAD_STATE64_USER_DIVERSIFIER_MASK),               \
	ptrauth_string_discriminator("pc")) :                             \
	ptrauth_string_discriminator("pc")) : NULL); })
/* Set pc field of arm_thread_state64_t to a function pointer */
#define __darwin_arm_thread_state64_set_pc_fptr(ts, fptr) \
	__extension__ ({ _STRUCT_ARM_THREAD_STATE64 *__tsp = &(ts);   \
	__typeof__(fptr) __f = (fptr); __tsp->__opaque_pc =           \
	(__f ? (!(__tsp->__opaque_flags &                             \
	__DARWIN_ARM_THREAD_STATE64_FLAGS_NO_PTRAUTH) ?               \
	ptrauth_auth_and_resign(__f, ptrauth_key_function_pointer, 0, \
	ptrauth_key_process_independent_code,                         \
	(__tsp->__opaque_flags &                                      \
	__DARWIN_ARM_THREAD_STATE64_USER_DIVERSIFIER_MASK) ?          \
	ptrauth_blend_discriminator((void *)(unsigned long)           \
	(__tsp->__opaque_flags &                                      \
	__DARWIN_ARM_THREAD_STATE64_USER_DIVERSIFIER_MASK),           \
	ptrauth_string_discriminator("pc")) :                         \
	ptrauth_string_discriminator("pc")) : ptrauth_auth_data(__f,  \
	ptrauth_key_function_pointer, 0)) : __f);                     \
	__tsp->__opaque_flags &=                                      \
	~__DARWIN_ARM_THREAD_STATE64_FLAGS_KERNEL_SIGNED_PC; })
/* Return lr field of arm_thread_state64_t as a data pointer value */
#define __darwin_arm_thread_state64_get_lr(ts) \
	__extension__ ({ const _STRUCT_ARM_THREAD_STATE64 *__tsp = &(ts); \
	(uintptr_t)(__tsp->__opaque_lr && !(__tsp->__opaque_flags & (     \
	__DARWIN_ARM_THREAD_STATE64_FLAGS_NO_PTRAUTH |                    \
	__DARWIN_ARM_THREAD_STATE64_FLAGS_IB_SIGNED_LR)) ?                \
	ptrauth_auth_data(__tsp->__opaque_lr,                             \
	ptrauth_key_process_independent_code,                             \
	((__tsp->__opaque_flags &                                         \
	__DARWIN_ARM_THREAD_STATE64_FLAGS_KERNEL_SIGNED_LR) == 0 &&       \
	(__tsp->__opaque_flags &                                          \
	__DARWIN_ARM_THREAD_STATE64_USER_DIVERSIFIER_MASK)) ?             \
	ptrauth_blend_discriminator((void *)(unsigned long)               \
	(__tsp->__opaque_flags &                                          \
	__DARWIN_ARM_THREAD_STATE64_USER_DIVERSIFIER_MASK),               \
	ptrauth_string_discriminator("lr")) :                             \
	ptrauth_string_discriminator("lr")) : __tsp->__opaque_lr); })
/* Return lr field of arm_thread_state64_t as a function pointer. May return
 * NULL if a valid function pointer cannot be constructed, the caller should
 * fall back to the __darwin_arm_thread_state64_get_lr() macro in that case. */
#define __darwin_arm_thread_state64_get_lr_fptr(ts) \
	__extension__ ({ const _STRUCT_ARM_THREAD_STATE64 *__tsp = &(ts); \
	(__tsp->__opaque_lr && !(__tsp->__opaque_flags & (                \
	__DARWIN_ARM_THREAD_STATE64_FLAGS_NO_PTRAUTH |                    \
	__DARWIN_ARM_THREAD_STATE64_FLAGS_IB_SIGNED_LR)) ?                \
	ptrauth_auth_function(__tsp->__opaque_lr,                         \
	ptrauth_key_process_independent_code,                             \
	((__tsp->__opaque_flags &                                         \
	__DARWIN_ARM_THREAD_STATE64_FLAGS_KERNEL_SIGNED_LR) == 0 &&       \
	(__tsp->__opaque_flags &                                          \
	__DARWIN_ARM_THREAD_STATE64_USER_DIVERSIFIER_MASK)) ?             \
	ptrauth_blend_discriminator((void *)(unsigned long)               \
	(__tsp->__opaque_flags &                                          \
	__DARWIN_ARM_THREAD_STATE64_USER_DIVERSIFIER_MASK),               \
	ptrauth_string_discriminator("lr")) :                             \
	ptrauth_string_discriminator("lr")) : NULL); })
/* Set lr field of arm_thread_state64_t to a function pointer */
#define __darwin_arm_thread_state64_set_lr_fptr(ts, fptr) \
	__extension__ ({ _STRUCT_ARM_THREAD_STATE64 *__tsp = &(ts);            \
	__typeof__(fptr) __f = (fptr); __tsp->__opaque_lr =                    \
	(__f ? (!(__tsp->__opaque_flags &                                      \
	__DARWIN_ARM_THREAD_STATE64_FLAGS_NO_PTRAUTH) ? (__tsp->__opaque_flags \
	&= ~__DARWIN_ARM_THREAD_STATE64_FLAGS_IB_SIGNED_LR ,                   \
	ptrauth_auth_and_resign(__f, ptrauth_key_function_pointer, 0,          \
	ptrauth_key_process_independent_code,                                  \
	(__tsp->__opaque_flags &                                               \
	__DARWIN_ARM_THREAD_STATE64_USER_DIVERSIFIER_MASK) ?                   \
	ptrauth_blend_discriminator((void *)(unsigned long)                    \
	(__tsp->__opaque_flags &                                               \
	__DARWIN_ARM_THREAD_STATE64_USER_DIVERSIFIER_MASK),                    \
	ptrauth_string_discriminator("lr")) :                                  \
	ptrauth_string_discriminator("lr"))) : ptrauth_auth_data(__f,          \
	ptrauth_key_function_pointer, 0)) : __f); __tsp->__opaque_flags &=     \
	~__DARWIN_ARM_THREAD_STATE64_FLAGS_KERNEL_SIGNED_LR; })
/* Return sp field of arm_thread_state64_t as a data pointer value */
#define __darwin_arm_thread_state64_get_sp(ts) \
	__extension__ ({ const _STRUCT_ARM_THREAD_STATE64 *__tsp = &(ts); \
	(uintptr_t)(__tsp->__opaque_sp && !(__tsp->__opaque_flags &       \
	__DARWIN_ARM_THREAD_STATE64_FLAGS_NO_PTRAUTH) ?                   \
	ptrauth_auth_data(__tsp->__opaque_sp,                             \
	ptrauth_key_process_independent_data,                             \
	ptrauth_string_discriminator("sp")) : __tsp->__opaque_sp); })
/* Set sp field of arm_thread_state64_t to a data pointer value */
#define __darwin_arm_thread_state64_set_sp(ts, ptr) \
	__extension__ ({ _STRUCT_ARM_THREAD_STATE64 *__tsp = &(ts); \
	void *__p = (void*)(uintptr_t)(ptr); __tsp->__opaque_sp =   \
	(__p && !(__tsp->__opaque_flags &                           \
	__DARWIN_ARM_THREAD_STATE64_FLAGS_NO_PTRAUTH) ?             \
	ptrauth_sign_unauthenticated(__p,                           \
	ptrauth_key_process_independent_data,                       \
	ptrauth_string_discriminator("sp")) : __p); })
/* Return fp field of arm_thread_state64_t as a data pointer value */
#define __darwin_arm_thread_state64_get_fp(ts) \
	__extension__ ({ const _STRUCT_ARM_THREAD_STATE64 *__tsp = &(ts); \
	(uintptr_t)(__tsp->__opaque_fp && !(__tsp->__opaque_flags &       \
	__DARWIN_ARM_THREAD_STATE64_FLAGS_NO_PTRAUTH) ?                   \
	ptrauth_auth_data(__tsp->__opaque_fp,                             \
	ptrauth_key_process_independent_data,                             \
	ptrauth_string_discriminator("fp")) : __tsp->__opaque_fp); })
/* Set fp field of arm_thread_state64_t to a data pointer value */
#define __darwin_arm_thread_state64_set_fp(ts, ptr) \
	__extension__ ({ _STRUCT_ARM_THREAD_STATE64 *__tsp = &(ts); \
	void *__p = (void*)(uintptr_t)(ptr); __tsp->__opaque_fp =   \
	(__p && !(__tsp->__opaque_flags &                           \
	__DARWIN_ARM_THREAD_STATE64_FLAGS_NO_PTRAUTH) ?             \
	ptrauth_sign_unauthenticated(__p,                           \
	ptrauth_key_process_independent_data,                       \
	ptrauth_string_discriminator("fp")) : __p); })

/* Strip ptr auth bits from pc, lr, sp and fp field of arm_thread_state64_t */
#define __darwin_arm_thread_state64_ptrauth_strip(ts) \
	__extension__ ({ _STRUCT_ARM_THREAD_STATE64 *__tsp = &(ts);               \
	__tsp->__opaque_pc = ((__tsp->__opaque_flags &                            \
	__DARWIN_ARM_THREAD_STATE64_FLAGS_NO_PTRAUTH) ? __tsp->__opaque_pc :      \
	ptrauth_strip(__tsp->__opaque_pc, ptrauth_key_process_independent_code)); \
	__tsp->__opaque_lr = ((__tsp->__opaque_flags &                            \
	(__DARWIN_ARM_THREAD_STATE64_FLAGS_NO_PTRAUTH |                           \
	__DARWIN_ARM_THREAD_STATE64_FLAGS_IB_SIGNED_LR)) ? __tsp->__opaque_lr :   \
	ptrauth_strip(__tsp->__opaque_lr, ptrauth_key_process_independent_code)); \
	__tsp->__opaque_sp = ((__tsp->__opaque_flags &                            \
	__DARWIN_ARM_THREAD_STATE64_FLAGS_NO_PTRAUTH) ? __tsp->__opaque_sp :      \
	ptrauth_strip(__tsp->__opaque_sp, ptrauth_key_process_independent_data)); \
	__tsp->__opaque_fp = ((__tsp->__opaque_flags &                            \
	__DARWIN_ARM_THREAD_STATE64_FLAGS_NO_PTRAUTH) ? __tsp->__opaque_fp :      \
	ptrauth_strip(__tsp->__opaque_fp, ptrauth_key_process_independent_data)); \
	__tsp->__opaque_flags |=                                                  \
	__DARWIN_ARM_THREAD_STATE64_FLAGS_NO_PTRAUTH; __tsp->__opaque_flags &=    \
	~(__DARWIN_ARM_THREAD_STATE64_FLAGS_KERNEL_SIGNED_PC |                    \
	__DARWIN_ARM_THREAD_STATE64_FLAGS_KERNEL_SIGNED_LR); })

#else /* __has_feature(ptrauth_calls) && defined(__LP64__) */

#if __DARWIN_OPAQUE_ARM_THREAD_STATE64

#ifndef __LP64__
#error "Invalid configuration"
#endif

/* Return pc field of arm_thread_state64_t as a data pointer value */
#define __darwin_arm_thread_state64_get_pc(ts) \
	((uintptr_t)((ts).__opaque_pc))
/* Return pc field of arm_thread_state64_t as a function pointer */
#define __darwin_arm_thread_state64_get_pc_fptr(ts) \
	((ts).__opaque_pc)
/* Set pc field of arm_thread_state64_t to a function pointer */
#define __darwin_arm_thread_state64_set_pc_fptr(ts, fptr) \
	((ts).__opaque_pc = (fptr))
/* Return lr field of arm_thread_state64_t as a data pointer value */
#define __darwin_arm_thread_state64_get_lr(ts) \
	((uintptr_t)((ts).__opaque_lr))
/* Return lr field of arm_thread_state64_t as a function pointer */
#define __darwin_arm_thread_state64_get_lr_fptr(ts) \
	((ts).__opaque_lr)
/* Set lr field of arm_thread_state64_t to a function pointer */
#define __darwin_arm_thread_state64_set_lr_fptr(ts, fptr) \
	((ts).__opaque_lr = (fptr))
/* Return sp field of arm_thread_state64_t as a data pointer value */
#define __darwin_arm_thread_state64_get_sp(ts) \
	((uintptr_t)((ts).__opaque_sp))
/* Set sp field of arm_thread_state64_t to a data pointer value */
#define __darwin_arm_thread_state64_set_sp(ts, ptr) \
	((ts).__opaque_sp = (void*)(uintptr_t)(ptr))
/* Return fp field of arm_thread_state64_t as a data pointer value */
#define __darwin_arm_thread_state64_get_fp(ts) \
	((uintptr_t)((ts).__opaque_fp))
/* Set fp field of arm_thread_state64_t to a data pointer value */
#define __darwin_arm_thread_state64_set_fp(ts, ptr) \
	((ts).__opaque_fp = (void*)(uintptr_t)(ptr))
/* Strip ptr auth bits from pc, lr, sp and fp field of arm_thread_state64_t */
#define __darwin_arm_thread_state64_ptrauth_strip(ts) \
	(void)(ts)

#else /* __DARWIN_OPAQUE_ARM_THREAD_STATE64 */
#if __DARWIN_UNIX03

/* Return pc field of arm_thread_state64_t as a data pointer value */
#define __darwin_arm_thread_state64_get_pc(ts) \
	((ts).__pc)
/* Return pc field of arm_thread_state64_t as a function pointer */
#define __darwin_arm_thread_state64_get_pc_fptr(ts) \
	((void*)(uintptr_t)((ts).__pc))
/* Set pc field of arm_thread_state64_t to a function pointer */
#define __darwin_arm_thread_state64_set_pc_fptr(ts, fptr) \
	((ts).__pc = (uintptr_t)(fptr))
/* Return lr field of arm_thread_state64_t as a data pointer value */
#define __darwin_arm_thread_state64_get_lr(ts) \
	((ts).__lr)
/* Return lr field of arm_thread_state64_t as a function pointer */
#define __darwin_arm_thread_state64_get_lr_fptr(ts) \
	((void*)(uintptr_t)((ts).__lr))
/* Set lr field of arm_thread_state64_t to a function pointer */
#define __darwin_arm_thread_state64_set_lr_fptr(ts, fptr) \
	((ts).__lr = (uintptr_t)(fptr))
/* Return sp field of arm_thread_state64_t as a data pointer value */
#define __darwin_arm_thread_state64_get_sp(ts) \
	((ts).__sp)
/* Set sp field of arm_thread_state64_t to a data pointer value */
#define __darwin_arm_thread_state64_set_sp(ts, ptr) \
	((ts).__sp = (uintptr_t)(ptr))
/* Return fp field of arm_thread_state64_t as a data pointer value */
#define __darwin_arm_thread_state64_get_fp(ts) \
	((ts).__fp)
/* Set fp field of arm_thread_state64_t to a data pointer value */
#define __darwin_arm_thread_state64_set_fp(ts, ptr) \
	((ts).__fp = (uintptr_t)(ptr))
/* Strip ptr auth bits from pc, lr, sp and fp field of arm_thread_state64_t */
#define __darwin_arm_thread_state64_ptrauth_strip(ts) \
	(void)(ts)

#else /* __DARWIN_UNIX03 */

/* Return pc field of arm_thread_state64_t as a data pointer value */
#define __darwin_arm_thread_state64_get_pc(ts) \
	((ts).pc)
/* Return pc field of arm_thread_state64_t as a function pointer */
#define __darwin_arm_thread_state64_get_pc_fptr(ts) \
	((void*)(uintptr_t)((ts).pc))
/* Set pc field of arm_thread_state64_t to a function pointer */
#define __darwin_arm_thread_state64_set_pc_fptr(ts, fptr) \
	((ts).pc = (uintptr_t)(fptr))
/* Return lr field of arm_thread_state64_t as a data pointer value */
#define __darwin_arm_thread_state64_get_lr(ts) \
	((ts).lr)
/* Return lr field of arm_thread_state64_t as a function pointer */
#define __darwin_arm_thread_state64_get_lr_fptr(ts) \
	((void*)(uintptr_t)((ts).lr))
/* Set lr field of arm_thread_state64_t to a function pointer */
#define __darwin_arm_thread_state64_set_lr_fptr(ts, fptr) \
	((ts).lr = (uintptr_t)(fptr))
/* Return sp field of arm_thread_state64_t as a data pointer value */
#define __darwin_arm_thread_state64_get_sp(ts) \
	((ts).sp)
/* Set sp field of arm_thread_state64_t to a data pointer value */
#define __darwin_arm_thread_state64_set_sp(ts, ptr) \
	((ts).sp = (uintptr_t)(ptr))
/* Return fp field of arm_thread_state64_t as a data pointer value */
#define __darwin_arm_thread_state64_get_fp(ts) \
	((ts).fp)
/* Set fp field of arm_thread_state64_t to a data pointer value */
#define __darwin_arm_thread_state64_set_fp(ts, ptr) \
	((ts).fp = (uintptr_t)(ptr))
/* Strip ptr auth bits from pc, lr, sp and fp field of arm_thread_state64_t */
#define __darwin_arm_thread_state64_ptrauth_strip(ts) \
	(void)(ts)

#endif /* __DARWIN_UNIX03 */
#endif /* __DARWIN_OPAQUE_ARM_THREAD_STATE64 */

#endif /* __has_feature(ptrauth_calls) && defined(__LP64__) */
#endif /* __DARWIN_C_LEVEL >= __DARWIN_C_FULL && defined(__arm64__) */
#endif /* !defined(KERNEL) */

#if __DARWIN_UNIX03
#define _STRUCT_ARM_VFP_STATE struct __darwin_arm_vfp_state
_STRUCT_ARM_VFP_STATE
{
	__uint32_t __r[64];
	__uint32_t __fpscr;
};
#else /* !__DARWIN_UNIX03 */
#define _STRUCT_ARM_VFP_STATE struct arm_vfp_state
_STRUCT_ARM_VFP_STATE
{
	__uint32_t r[64];
	__uint32_t fpscr;
};
#endif /* __DARWIN_UNIX03 */

#if __DARWIN_UNIX03
#define _STRUCT_ARM_NEON_STATE64 struct __darwin_arm_neon_state64
#define _STRUCT_ARM_NEON_STATE   struct __darwin_arm_neon_state

#if defined(__arm64__)
_STRUCT_ARM_NEON_STATE64
{
	__uint128_t __v[32];
	__uint32_t  __fpsr;
	__uint32_t  __fpcr;
};

_STRUCT_ARM_NEON_STATE
{
	__uint128_t __v[16];
	__uint32_t  __fpsr;
	__uint32_t  __fpcr;
};
#elif defined(__arm__)
/*
 * No 128-bit intrinsic for ARM; leave it opaque for now.
 */
_STRUCT_ARM_NEON_STATE64
{
	char opaque[(32 * 16) + (2 * sizeof(__uint32_t))];
} __attribute__((aligned(16)));

_STRUCT_ARM_NEON_STATE
{
	char opaque[(16 * 16) + (2 * sizeof(__uint32_t))];
} __attribute__((aligned(16)));

#else
#error Unknown architecture.
#endif

#else /* !__DARWIN_UNIX03 */
#define _STRUCT_ARM_NEON_STATE64 struct arm_neon_state64
#define _STRUCT_ARM_NEON_STATE struct arm_neon_state

#if defined(__arm64__)
_STRUCT_ARM_NEON_STATE64
{
	__uint128_t q[32];
	uint32_t    fpsr;
	uint32_t    fpcr;
};

_STRUCT_ARM_NEON_STATE
{
	__uint128_t q[16];
	uint32_t    fpsr;
	uint32_t    fpcr;
};
#elif defined(__arm__)
/*
 * No 128-bit intrinsic for ARM; leave it opaque for now.
 */
_STRUCT_ARM_NEON_STATE64
{
	char opaque[(32 * 16) + (2 * sizeof(__uint32_t))];
} __attribute__((aligned(16)));

_STRUCT_ARM_NEON_STATE
{
	char opaque[(16 * 16) + (2 * sizeof(__uint32_t))];
} __attribute__((aligned(16)));

#else
#error Unknown architecture.
#endif

#endif /* __DARWIN_UNIX03 */


#define _STRUCT_ARM_PAGEIN_STATE struct __arm_pagein_state
_STRUCT_ARM_PAGEIN_STATE
{
	int __pagein_error;
};

/*
 * Debug State
 */
#if defined(__arm__)
/* Old-fashioned debug state is only for ARM */

#if __DARWIN_UNIX03
#define _STRUCT_ARM_DEBUG_STATE struct __darwin_arm_debug_state
_STRUCT_ARM_DEBUG_STATE
{
	__uint32_t __bvr[16];
	__uint32_t __bcr[16];
	__uint32_t __wvr[16];
	__uint32_t __wcr[16];
};
#else /* !__DARWIN_UNIX03 */
#define _STRUCT_ARM_DEBUG_STATE struct arm_debug_state
_STRUCT_ARM_DEBUG_STATE
{
	__uint32_t bvr[16];
	__uint32_t bcr[16];
	__uint32_t wvr[16];
	__uint32_t wcr[16];
};
#endif /* __DARWIN_UNIX03 */

#elif defined(__arm64__)

/* ARM's arm_debug_state is ARM64's arm_legacy_debug_state */

#if __DARWIN_UNIX03
#define _STRUCT_ARM_LEGACY_DEBUG_STATE struct __arm_legacy_debug_state
_STRUCT_ARM_LEGACY_DEBUG_STATE
{
	__uint32_t __bvr[16];
	__uint32_t __bcr[16];
	__uint32_t __wvr[16];
	__uint32_t __wcr[16];
};
#else /* __DARWIN_UNIX03 */
#define _STRUCT_ARM_LEGACY_DEBUG_STATE struct arm_legacy_debug_state
_STRUCT_ARM_LEGACY_DEBUG_STATE
{
	__uint32_t bvr[16];
	__uint32_t bcr[16];
	__uint32_t wvr[16];
	__uint32_t wcr[16];
};
#endif /* __DARWIN_UNIX03 */
#else
#error unknown architecture
#endif

#if __DARWIN_UNIX03
#define _STRUCT_ARM_DEBUG_STATE32 struct __darwin_arm_debug_state32
_STRUCT_ARM_DEBUG_STATE32
{
	__uint32_t __bvr[16];
	__uint32_t __bcr[16];
	__uint32_t __wvr[16];
	__uint32_t __wcr[16];
	__uint64_t __mdscr_el1; /* Bit 0 is SS (Hardware Single Step) */
};

#define _STRUCT_ARM_DEBUG_STATE64 struct __darwin_arm_debug_state64
_STRUCT_ARM_DEBUG_STATE64
{
	__uint64_t __bvr[16];
	__uint64_t __bcr[16];
	__uint64_t __wvr[16];
	__uint64_t __wcr[16];
	__uint64_t __mdscr_el1; /* Bit 0 is SS (Hardware Single Step) */
};
#else /* !__DARWIN_UNIX03 */
#define _STRUCT_ARM_DEBUG_STATE32 struct arm_debug_state32
_STRUCT_ARM_DEBUG_STATE32
{
	__uint32_t bvr[16];
	__uint32_t bcr[16];
	__uint32_t wvr[16];
	__uint32_t wcr[16];
	__uint64_t mdscr_el1; /* Bit 0 is SS (Hardware Single Step) */
};

#define _STRUCT_ARM_DEBUG_STATE64 struct arm_debug_state64
_STRUCT_ARM_DEBUG_STATE64
{
	__uint64_t bvr[16];
	__uint64_t bcr[16];
	__uint64_t wvr[16];
	__uint64_t wcr[16];
	__uint64_t mdscr_el1; /* Bit 0 is SS (Hardware Single Step) */
};
#endif /* __DARWIN_UNIX03 */

#if __DARWIN_UNIX03
#define _STRUCT_ARM_CPMU_STATE64 struct __darwin_arm_cpmu_state64
_STRUCT_ARM_CPMU_STATE64
{
	__uint64_t __ctrs[16];
};
#else /* __DARWIN_UNIX03 */
#define _STRUCT_ARM_CPMU_STATE64 struct arm_cpmu_state64
_STRUCT_ARM_CPMU_STATE64
{
	__uint64_t ctrs[16];
};
#endif /* !__DARWIN_UNIX03 */

#endif /* defined (__arm__) || defined (__arm64__) */

#endif /* _MACH_ARM__STRUCTS_H_ */