[apple/xnu.git] / osfmk / mach / arm / sdt_isa.h

/*
 * Copyright (c) 2007 Apple Inc. All rights reserved.
 */
/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#ifndef _MACH_ARM_SDT_ISA_H
#define	_MACH_ARM_SDT_ISA_H

/* #pragma ident	"@(#)sdt.h	1.7	05/06/08 SMI" */

/*
 * Only define when testing.  This makes the calls into actual calls to
 * test functions.
 */
/* #define DTRACE_CALL_TEST */

#define DTRACE_STRINGIFY(s) #s
#define DTRACE_TOSTRING(s) DTRACE_STRINGIFY(s)

#if defined(KERNEL)
/*
 * For the kernel, set an explicit global label so the symbol can be located
 */
#ifdef __arm__
#define DTRACE_LAB(p, n)                                                                        \
    "__dtrace_probe$" DTRACE_TOSTRING(%=__LINE__) DTRACE_STRINGIFY(_##p##___##n)

#define DTRACE_LABEL(p, n)			\
	".pushsection __DATA, __data\n\t"	\
        ".globl " DTRACE_LAB(p, n) "\n\t"	\
        DTRACE_LAB(p, n) ":" ".long 1f""\n\t"	\
	".popsection" "\n\t"			\
	"1:"
#else /* __arm64__ */
#define DTRACE_LAB(p, n)                                                                        \
    "__dtrace_probe$" DTRACE_TOSTRING(%=__LINE__) DTRACE_STRINGIFY(_##p##___##n)

#define DTRACE_LABEL(p, n)			\
	".pushsection __DATA, __data\n\t"	\
        ".globl " DTRACE_LAB(p, n) "\n\t"	\
        DTRACE_LAB(p, n) ":" ".quad 1f""\n\t"	\
	".popsection" "\n\t"			\
	"1:"
#endif
#else	/* !KERNEL */
#define DTRACE_LABEL(p, n)									\
	"__dtrace_probe$" DTRACE_TOSTRING(%=__LINE__) DTRACE_STRINGIFY(_##p##___##n) ":"	"\n\t"
#endif	/* !KERNEL */

#ifdef DTRACE_CALL_TEST

#define DTRACE_CALL(p,n)	\
	DTRACE_LABEL(p,n)	\
	DTRACE_CALL_INSN(p,n)

#else	/* !DTRACE_CALL_TEST */

#define DTRACE_CALL(p,n)	\
	DTRACE_LABEL(p,n)	\
	DTRACE_NOPS

#endif	/* !DTRACE_CALL_TEST */

#if defined(__arm__)

#define DTRACE_NOPS			\
	"nop"			"\n\t"

#define DTRACE_CALL_INSN(p,n)						\
	"blx _dtracetest" DTRACE_STRINGIFY(_##p##_##n)	"\n\t"

#ifdef __thumb__
#define DTRACE_ALLOC_STACK(n)		\
	"sub sp, #" #n		"\n\t"
#define DTRACE_DEALLOC_STACK(n)		\
	"add sp, #" #n		"\n\t"
#else
#define DTRACE_ALLOC_STACK(n)		\
	"sub sp, sp, #" #n	"\n\t"
#define DTRACE_DEALLOC_STACK(n)		\
	"add sp, sp, #" #n	"\n\t"
#endif

#define ARG1_EXTENT	1
#define ARGS2_EXTENT	2
#define ARGS3_EXTENT	3
#define ARGS4_EXTENT	4
#define ARGS5_EXTENT	5
#define ARGS6_EXTENT	6
#define ARGS7_EXTENT	7
#define ARGS8_EXTENT	8
#define ARGS9_EXTENT	9
#define ARGS10_EXTENT	10	

#define DTRACE_CALL0ARGS(provider, name)			\
	asm volatile (						\
		DTRACE_CALL(provider, name)			\
		"# eat trailing nl+tab from DTRACE_CALL"	\
		:						\
		:						\
	);

#define DTRACE_CALL1ARG(provider, name)				\
	asm volatile ("ldr r0, [%0]"							"\n\t"	\
		      DTRACE_CALL(provider, name)						\
		      :										\
		      : "l" (__dtrace_args)							\
		      : "memory", "r0"								\
	);

#define DTRACE_CALL2ARGS(provider, name)			\
	asm volatile ("ldr r1, [%0, #4]"						"\n\t"	\
		      "ldr r0, [%0]"							"\n\t"	\
		      DTRACE_CALL(provider, name)						\
		      :										\
		      : "l" (__dtrace_args)							\
		      : "memory", "r0", "r1"							\
	);

#define DTRACE_CALL3ARGS(provider, name)			\
	asm volatile ("ldr r2, [%0, #8]"						"\n\t"	\
		      "ldr r1, [%0, #4]"						"\n\t"	\
		      "ldr r0, [%0]"							"\n\t"	\
		      DTRACE_CALL(provider, name)						\
		      :										\
		      : "l" (__dtrace_args)							\
		      : "memory", "r0", "r1", "r2"						\
	);

#define DTRACE_CALL4ARGS(provider, name)			\
	asm volatile ("ldr r3, [%0, #12]"						"\n\t"	\
		      "ldr r2, [%0, #8]"						"\n\t"	\
		      "ldr r1, [%0, #4]"						"\n\t"	\
		      "ldr r0, [%0]"							"\n\t"	\
		      DTRACE_CALL(provider, name)						\
		      :										\
		      : "l" (__dtrace_args)							\
		      : "memory", "r0", "r1", "r2", "r3"					\
	);

/*
 * One of our ARM32 ABIs (armv7k) mandates that the stack be aligned to 16 bytes.
 * We currently apply this constraint to all ARM32 DTRACE_CALL macros; hence the
 * macros below will overallocate for some ABIs.
 */
#define DTRACE_CALL5ARGS(provider, name)			\
	asm volatile (										\
		      DTRACE_ALLOC_STACK(16)							\
		      "ldr r0, [%0, #16]"						"\n\t"	\
		      "str r0, [sp]"							"\n\t"	\
		      "ldr r3, [%0, #12]"						"\n\t"	\
		      "ldr r2, [%0, #8]"						"\n\t"	\
		      "ldr r1, [%0, #4]"						"\n\t"	\
		      "ldr r0, [%0]"							"\n\t"	\
		      DTRACE_CALL(provider, name)						\
		      DTRACE_DEALLOC_STACK(16)							\
		      :										\
		      : "l" (__dtrace_args)							\
		      : "memory", "r0", "r1", "r2", "r3"					\
	);

#define DTRACE_CALL6ARGS(provider, name)			\
	asm volatile (										\
		      DTRACE_ALLOC_STACK(16)							\
		      "ldr r1, [%0, #20]"						"\n\t"	\
		      "ldr r0, [%0, #16]"						"\n\t"	\
		      "str r1, [sp, #4]"						"\n\t"	\
		      "str r0, [sp]"							"\n\t"	\
		      "ldr r3, [%0, #12]"						"\n\t"	\
		      "ldr r2, [%0, #8]"						"\n\t"	\
		      "ldr r1, [%0, #4]"						"\n\t"	\
		      "ldr r0, [%0]"							"\n\t"	\
		      DTRACE_CALL(provider, name)						\
		      DTRACE_DEALLOC_STACK(16)							\
		      :										\
		      : "l" (__dtrace_args)							\
		      : "memory", "r0", "r1", "r2", "r3"					\
	);

#define DTRACE_CALL7ARGS(provider, name)			\
	asm volatile (										\
		      DTRACE_ALLOC_STACK(16)							\
		      "ldr r2, [%0, #24]"						"\n\t"	\
		      "ldr r1, [%0, #20]"						"\n\t"	\
		      "ldr r0, [%0, #16]"						"\n\t"	\
		      "str r2, [sp, #8]"						"\n\t"	\
		      "str r1, [sp, #4]"						"\n\t"	\
		      "str r0, [sp]"							"\n\t"	\
		      "ldr r3, [%0, #12]"						"\n\t"	\
		      "ldr r2, [%0, #8]"						"\n\t"	\
		      "ldr r1, [%0, #4]"						"\n\t"	\
		      "ldr r0, [%0]"							"\n\t"	\
		      DTRACE_CALL(provider, name)						\
		      DTRACE_DEALLOC_STACK(16)							\
		      :										\
		      : "l" (__dtrace_args)							\
		      : "memory", "r0", "r1", "r2", "r3"					\
	);

#define DTRACE_CALL8ARGS(provider, name)			\
	asm volatile (										\
		      DTRACE_ALLOC_STACK(16)							\
		      "ldr r3, [%0, #28]"						"\n\t"	\
		      "ldr r2, [%0, #24]"						"\n\t"	\
		      "ldr r1, [%0, #20]"						"\n\t"	\
		      "ldr r0, [%0, #16]"						"\n\t"	\
		      "str r3, [sp, #12]"						"\n\t"	\
		      "str r2, [sp, #8]"						"\n\t"	\
		      "str r1, [sp, #4]"						"\n\t"	\
		      "str r0, [sp]"							"\n\t"	\
		      "ldr r3, [%0, #12]"						"\n\t"	\
		      "ldr r2, [%0, #8]"						"\n\t"	\
		      "ldr r1, [%0, #4]"						"\n\t"	\
		      "ldr r0, [%0]"							"\n\t"	\
		      DTRACE_CALL(provider, name)						\
		      DTRACE_DEALLOC_STACK(16)							\
		      :										\
		      : "l" (__dtrace_args)							\
		      : "memory", "r0", "r1", "r2", "r3"					\
	);

#define DTRACE_CALL9ARGS(provider, name)			\
	asm volatile (										\
		      DTRACE_ALLOC_STACK(32)							\
		      "ldr r0, [%0, #32]"						"\n\t"	\
		      "str r0, [sp, #16]"						"\n\t"	\
		      "ldr r3, [%0, #28]"						"\n\t"	\
		      "ldr r2, [%0, #24]"						"\n\t"	\
		      "ldr r1, [%0, #20]"						"\n\t"	\
		      "ldr r0, [%0, #16]"						"\n\t"	\
		      "str r3, [sp, #12]"						"\n\t"	\
		      "str r2, [sp, #8]"						"\n\t"	\
		      "str r1, [sp, #4]"						"\n\t"	\
		      "str r0, [sp]"							"\n\t"	\
		      "ldr r3, [%0, #12]"						"\n\t"	\
		      "ldr r2, [%0, #8]"						"\n\t"	\
		      "ldr r1, [%0, #4]"						"\n\t"	\
		      "ldr r0, [%0]"							"\n\t"	\
		      DTRACE_CALL(provider, name)						\
		      DTRACE_DEALLOC_STACK(32)							\
		      :										\
		      : "l" (__dtrace_args)							\
		      : "memory", "r0", "r1", "r2", "r3"					\
	);

#define DTRACE_CALL10ARGS(provider, name)			\
	asm volatile (										\
		      DTRACE_ALLOC_STACK(32)							\
		      "ldr r1, [%0, #36]"						"\n\t"	\
		      "ldr r0, [%0, #32]"						"\n\t"	\
		      "str r1, [sp, #20]"						"\n\t"	\
		      "str r0, [sp, #16]"						"\n\t"	\
		      "ldr r3, [%0, #28]"						"\n\t"	\
		      "ldr r2, [%0, #24]"						"\n\t"	\
		      "ldr r1, [%0, #20]"						"\n\t"	\
		      "ldr r0, [%0, #16]"						"\n\t"	\
		      "str r3, [sp, #12]"						"\n\t"	\
		      "str r2, [sp, #8]"						"\n\t"	\
		      "str r1, [sp, #4]"						"\n\t"	\
		      "str r0, [sp]"							"\n\t"	\
		      "ldr r3, [%0, #12]"						"\n\t"	\
		      "ldr r2, [%0, #8]"						"\n\t"	\
		      "ldr r1, [%0, #4]"						"\n\t"	\
		      "ldr r0, [%0]"							"\n\t"	\
		      DTRACE_CALL(provider, name)						\
		      DTRACE_DEALLOC_STACK(32)							\
		      :										\
		      : "l" (__dtrace_args)							\
		      : "memory", "r0", "r1", "r2", "r3"					\
	);

#elif defined(__arm64__)

#define DTRACE_NOPS							\
	"nop"                   "\n\t"


#define DTRACE_CALL_INSN(p,n)						\
	"bl _dtracetest" DTRACE_STRINGIFY(_##p##_##n)	"\n\t"

#define DTRACE_ALLOC_STACK(n)		\
	"sub sp, sp, #" #n	"\n\t"
#define DTRACE_DEALLOC_STACK(n)		\
	"add sp, sp, #" #n	"\n\t"

#define ARG1_EXTENT	1
#define ARGS2_EXTENT	2
#define ARGS3_EXTENT	3
#define ARGS4_EXTENT	4
#define ARGS5_EXTENT	5
#define ARGS6_EXTENT	6
#define ARGS7_EXTENT	7
#define ARGS8_EXTENT	8
#define ARGS9_EXTENT	9
#define ARGS10_EXTENT	10	

#define DTRACE_CALL0ARGS(provider, name)			\
	asm volatile (						\
		DTRACE_CALL(provider, name)			\
		"# eat trailing nl+tab from DTRACE_CALL"	\
		:						\
		:						\
	);

#define DTRACE_CALL1ARG(provider, name)				\
	asm volatile ("ldr x0, [%0]"							"\n\t"	\
	    DTRACE_CALL(provider, name)								\
		      :										\
		      : "r" (__dtrace_args)							\
		      : "memory", "x0"								\
	);

#define DTRACE_CALL2ARGS(provider, name)			\
	asm volatile ("ldp x0, x1, [%0]"						"\n\t"	\
		      DTRACE_CALL(provider, name)						\
		      :										\
		      : "r" (__dtrace_args)							\
		      : "memory", "x0", "x1"							\
	);

#define DTRACE_CALL3ARGS(provider, name)			\
	asm volatile ("ldr x2, [%0, #16]"						"\n\t"	\
		      "ldp x0, x1, [%0]"						"\n\t"	\
		      DTRACE_CALL(provider, name)						\
		      :										\
		      : "r" (__dtrace_args)							\
		      : "memory", "x0", "x1", "x2"						\
	);

#define DTRACE_CALL4ARGS(provider, name)			\
	asm volatile ("ldp x2, x3, [%0, #16]"						"\n\t"	\
		      "ldp x0, x1, [%0]"						"\n\t"	\
		      DTRACE_CALL(provider, name)						\
		      :										\
		      : "r" (__dtrace_args)							\
		      : "memory", "x0", "x1", "x2", "x3"					\
	);

#define DTRACE_CALL5ARGS(provider, name)			\
	asm volatile ("ldr x4, [%0, #32]"						"\n\t"	\
		      "ldp x2, x3, [%0, #16]"						"\n\t"	\
		      "ldp x0, x1, [%0]"						"\n\t"	\
		      DTRACE_CALL(provider, name)						\
		      :										\
		      : "r" (__dtrace_args)							\
		      : "memory", "x0", "x1", "x2", "x3", "x4"					\
	);

#define DTRACE_CALL6ARGS(provider, name)			\
	asm volatile ("ldp x4, x5, [%0, #32]"						"\n\t"	\
		      "ldp x2, x3, [%0, #16]"						"\n\t"	\
		      "ldp x0, x1, [%0]"						"\n\t"	\
		      DTRACE_CALL(provider, name)						\
		      :										\
		      : "r" (__dtrace_args)							\
		      : "memory", "x0", "x1", "x2", "x3", "x4", "x5"				\
	);

#define DTRACE_CALL7ARGS(provider, name)			\
	asm volatile ("ldr x6, [%0, #48]"						"\n\t"	\
    		      "ldp x4, x5, [%0, #32]"						"\n\t"	\
    		      "ldp x2, x3, [%0, #16]"						"\n\t"	\
    		      "ldp x0, x1, [%0]"						"\n\t"	\
    		      DTRACE_CALL(provider, name)						\
    		      :										\
    		      : "r" (__dtrace_args)							\
    		      : "memory", "x0", "x1", "x2", "x3", "x4", "x5", "x6"			\
    	);

#define DTRACE_CALL8ARGS(provider, name)			\
	asm volatile ("ldp x6, x7, [%0, #48]"						"\n\t"	\
    		      "ldp x4, x5, [%0, #32]"						"\n\t"	\
    		      "ldp x2, x3, [%0, #16]"						"\n\t"	\
    		      "ldp x0, x1, [%0]"						"\n\t"	\
    		      DTRACE_CALL(provider, name)						\
    		      :										\
    		      : "r" (__dtrace_args)							\
    		      : "memory", "x0", "x1", "x2", "x3", "x4", "x5", "x6", "x7"		\
    	);

/* Keep stack 16 byte aligned per ABI requirements */
#define DTRACE_CALL9ARGS(provider, name)			\
	asm volatile (											\
			      DTRACE_ALLOC_STACK(16)							\
			      "ldr x0, [%0, #64]"						"\n\t"	\
			      "str x0, [sp]"							"\n\t"	\
			      "ldp x6, x7, [%0, #48]"						"\n\t"	\
			      "ldp x4, x5, [%0, #32]"						"\n\t"	\
			      "ldp x2, x3, [%0, #16]"						"\n\t"	\
			      "ldp x0, x1, [%0]"						"\n\t"	\
			      DTRACE_CALL(provider, name)						\
			      DTRACE_DEALLOC_STACK(16)							\
			      :										\
			      : "r" (__dtrace_args)							\
			      : "memory", "x0", "x1", "x2", "x3", "x4", "x5", "x6", "x7"		\
		);

#define DTRACE_CALL10ARGS(provider, name)			\
	asm volatile (										\
			      DTRACE_ALLOC_STACK(16)							\
			      "ldp x0, x1, [%0, #64]"						"\n\t"	\
			      "stp x0, x1, [sp]"						"\n\t"	\
			      "ldp x6, x7, [%0, #48]"						"\n\t"	\
			      "ldp x4, x5, [%0, #32]"						"\n\t"	\
			      "ldp x2, x3, [%0, #16]"						"\n\t"	\
			      "ldp x0, x1, [%0]"						"\n\t"	\
			      DTRACE_CALL(provider, name)						\
			      DTRACE_DEALLOC_STACK(16)							\
			      :										\
			      : "r" (__dtrace_args)							\
			      : "memory", "x0", "x1", "x2", "x3", "x4", "x5", "x6", "x7"		\
		);

#endif /* __arm__ */

#endif	/* _MACH_ARM_SDT_ISA_H */
Commit	Line	Data
5ba3f43e A	1	/*
	2	* Copyright (c) 2007 Apple Inc. All rights reserved.
	3	*/
	4	/*
	5	* CDDL HEADER START
	6	*
	7	* The contents of this file are subject to the terms of the
	8	* Common Development and Distribution License, Version 1.0 only
	9	* (the "License"). You may not use this file except in compliance
	10	* with the License.
	11	*
	12	* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
	13	* or http://www.opensolaris.org/os/licensing.
	14	* See the License for the specific language governing permissions
	15	* and limitations under the License.
	16	*
	17	* When distributing Covered Code, include this CDDL HEADER in each
	18	* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
	19	* If applicable, add the following below this CDDL HEADER, with the
	20	* fields enclosed by brackets "[]" replaced with your own identifying
	21	* information: Portions Copyright [yyyy] [name of copyright owner]
	22	*
	23	* CDDL HEADER END
	24	*/
	25	/*
	26	* Copyright 2004 Sun Microsystems, Inc. All rights reserved.
	27	* Use is subject to license terms.
	28	*/
	29
	30	#ifndef _MACH_ARM_SDT_ISA_H
	31	#define _MACH_ARM_SDT_ISA_H
	32
	33	/* #pragma ident "@(#)sdt.h 1.7 05/06/08 SMI" */
	34
	35	/*
	36	* Only define when testing. This makes the calls into actual calls to
	37	* test functions.
	38	*/
	39	/* #define DTRACE_CALL_TEST */
	40
	41	#define DTRACE_STRINGIFY(s) #s
	42	#define DTRACE_TOSTRING(s) DTRACE_STRINGIFY(s)
	43
	44	#if defined(KERNEL)
	45	/*
	46	* For the kernel, set an explicit global label so the symbol can be located
	47	*/
	48	#ifdef __arm__
	49	#define DTRACE_LAB(p, n) \
	50	"__dtrace_probe$" DTRACE_TOSTRING(%=__LINE__) DTRACE_STRINGIFY(_##p##___##n)
	51
	52	#define DTRACE_LABEL(p, n) \
	53	".pushsection __DATA, __data\n\t" \
	54	".globl " DTRACE_LAB(p, n) "\n\t" \
	55	DTRACE_LAB(p, n) ":" ".long 1f""\n\t" \
	56	".popsection" "\n\t" \
	57	"1:"
	58	#else /* __arm64__ */
	59	#define DTRACE_LAB(p, n) \
	60	"__dtrace_probe$" DTRACE_TOSTRING(%=__LINE__) DTRACE_STRINGIFY(_##p##___##n)
	61
	62	#define DTRACE_LABEL(p, n) \
	63	".pushsection __DATA, __data\n\t" \
	64	".globl " DTRACE_LAB(p, n) "\n\t" \
65	DTRACE_LAB(p, n) ":" ".quad 1f""\n\t" \
66	".popsection" "\n\t" \
67	"1:"
68	#endif
69	#else /* !KERNEL */
70	#define DTRACE_LABEL(p, n) \
71	"__dtrace_probe$" DTRACE_TOSTRING(%=__LINE__) DTRACE_STRINGIFY(_##p##___##n) ":" "\n\t"
72	#endif /* !KERNEL */
73
74	#ifdef DTRACE_CALL_TEST
75
76	#define DTRACE_CALL(p,n) \
77	DTRACE_LABEL(p,n) \
78	DTRACE_CALL_INSN(p,n)
79
80	#else /* !DTRACE_CALL_TEST */
81
82	#define DTRACE_CALL(p,n) \
83	DTRACE_LABEL(p,n) \
84	DTRACE_NOPS
85
86	#endif /* !DTRACE_CALL_TEST */
87
88	#if defined(__arm__)
89
90	#define DTRACE_NOPS \
91	"nop" "\n\t"
92
93	#define DTRACE_CALL_INSN(p,n) \
94	"blx _dtracetest" DTRACE_STRINGIFY(_##p##_##n) "\n\t"
95
96	#ifdef __thumb__
97	#define DTRACE_ALLOC_STACK(n) \
98	"sub sp, #" #n "\n\t"
99	#define DTRACE_DEALLOC_STACK(n) \
100	"add sp, #" #n "\n\t"
101	#else
102	#define DTRACE_ALLOC_STACK(n) \
103	"sub sp, sp, #" #n "\n\t"
104	#define DTRACE_DEALLOC_STACK(n) \
105	"add sp, sp, #" #n "\n\t"
106	#endif
107
108	#define ARG1_EXTENT 1
109	#define ARGS2_EXTENT 2
110	#define ARGS3_EXTENT 3
111	#define ARGS4_EXTENT 4
112	#define ARGS5_EXTENT 5
113	#define ARGS6_EXTENT 6
114	#define ARGS7_EXTENT 7
115	#define ARGS8_EXTENT 8
116	#define ARGS9_EXTENT 9
117	#define ARGS10_EXTENT 10
118
119	#define DTRACE_CALL0ARGS(provider, name) \
120	asm volatile ( \
121	DTRACE_CALL(provider, name) \
122	"# eat trailing nl+tab from DTRACE_CALL" \
123	: \
124	: \
125	);
126
127	#define DTRACE_CALL1ARG(provider, name) \
128	asm volatile ("ldr r0, [%0]" "\n\t" \
129	DTRACE_CALL(provider, name) \
130	: \
131	: "l" (__dtrace_args) \
132	: "memory", "r0" \
133	);
134
135	#define DTRACE_CALL2ARGS(provider, name) \
136	asm volatile ("ldr r1, [%0, #4]" "\n\t" \
137	"ldr r0, [%0]" "\n\t" \
138	DTRACE_CALL(provider, name) \
139	: \
140	: "l" (__dtrace_args) \
141	: "memory", "r0", "r1" \
142	);
143
144	#define DTRACE_CALL3ARGS(provider, name) \
145	asm volatile ("ldr r2, [%0, #8]" "\n\t" \
146	"ldr r1, [%0, #4]" "\n\t" \
147	"ldr r0, [%0]" "\n\t" \
148	DTRACE_CALL(provider, name) \
149	: \
150	: "l" (__dtrace_args) \
151	: "memory", "r0", "r1", "r2" \
152	);
153
154	#define DTRACE_CALL4ARGS(provider, name) \
155	asm volatile ("ldr r3, [%0, #12]" "\n\t" \
156	"ldr r2, [%0, #8]" "\n\t" \
157	"ldr r1, [%0, #4]" "\n\t" \
158	"ldr r0, [%0]" "\n\t" \
159	DTRACE_CALL(provider, name) \
160	: \
161	: "l" (__dtrace_args) \
162	: "memory", "r0", "r1", "r2", "r3" \
163	);
164
165	/*
166	* One of our ARM32 ABIs (armv7k) mandates that the stack be aligned to 16 bytes.
167	* We currently apply this constraint to all ARM32 DTRACE_CALL macros; hence the
168	* macros below will overallocate for some ABIs.
169	*/
170	#define DTRACE_CALL5ARGS(provider, name) \
171	asm volatile ( \
172	DTRACE_ALLOC_STACK(16) \
173	"ldr r0, [%0, #16]" "\n\t" \
174	"str r0, [sp]" "\n\t" \
175	"ldr r3, [%0, #12]" "\n\t" \
176	"ldr r2, [%0, #8]" "\n\t" \
177	"ldr r1, [%0, #4]" "\n\t" \
178	"ldr r0, [%0]" "\n\t" \
179	DTRACE_CALL(provider, name) \
180	DTRACE_DEALLOC_STACK(16) \
181	: \
182	: "l" (__dtrace_args) \
183	: "memory", "r0", "r1", "r2", "r3" \
184	);
185
186	#define DTRACE_CALL6ARGS(provider, name) \
187	asm volatile ( \
188	DTRACE_ALLOC_STACK(16) \
189	"ldr r1, [%0, #20]" "\n\t" \
190	"ldr r0, [%0, #16]" "\n\t" \
191	"str r1, [sp, #4]" "\n\t" \
192	"str r0, [sp]" "\n\t" \
193	"ldr r3, [%0, #12]" "\n\t" \
194	"ldr r2, [%0, #8]" "\n\t" \
195	"ldr r1, [%0, #4]" "\n\t" \
196	"ldr r0, [%0]" "\n\t" \
197	DTRACE_CALL(provider, name) \
198	DTRACE_DEALLOC_STACK(16) \
199	: \
200	: "l" (__dtrace_args) \
201	: "memory", "r0", "r1", "r2", "r3" \
202	);
203
204	#define DTRACE_CALL7ARGS(provider, name) \
205	asm volatile ( \
206	DTRACE_ALLOC_STACK(16) \
207	"ldr r2, [%0, #24]" "\n\t" \
208	"ldr r1, [%0, #20]" "\n\t" \
209	"ldr r0, [%0, #16]" "\n\t" \
210	"str r2, [sp, #8]" "\n\t" \
211	"str r1, [sp, #4]" "\n\t" \
212	"str r0, [sp]" "\n\t" \
213	"ldr r3, [%0, #12]" "\n\t" \
214	"ldr r2, [%0, #8]" "\n\t" \
215	"ldr r1, [%0, #4]" "\n\t" \
216	"ldr r0, [%0]" "\n\t" \
217	DTRACE_CALL(provider, name) \
218	DTRACE_DEALLOC_STACK(16) \
219	: \
220	: "l" (__dtrace_args) \
221	: "memory", "r0", "r1", "r2", "r3" \
222	);
223
224	#define DTRACE_CALL8ARGS(provider, name) \
225	asm volatile ( \
226	DTRACE_ALLOC_STACK(16) \
227	"ldr r3, [%0, #28]" "\n\t" \
228	"ldr r2, [%0, #24]" "\n\t" \
229	"ldr r1, [%0, #20]" "\n\t" \
230	"ldr r0, [%0, #16]" "\n\t" \
231	"str r3, [sp, #12]" "\n\t" \
232	"str r2, [sp, #8]" "\n\t" \
233	"str r1, [sp, #4]" "\n\t" \
234	"str r0, [sp]" "\n\t" \
235	"ldr r3, [%0, #12]" "\n\t" \
236	"ldr r2, [%0, #8]" "\n\t" \
237	"ldr r1, [%0, #4]" "\n\t" \
238	"ldr r0, [%0]" "\n\t" \
239	DTRACE_CALL(provider, name) \
240	DTRACE_DEALLOC_STACK(16) \
241	: \
242	: "l" (__dtrace_args) \
243	: "memory", "r0", "r1", "r2", "r3" \
244	);
245
246	#define DTRACE_CALL9ARGS(provider, name) \
247	asm volatile ( \
248	DTRACE_ALLOC_STACK(32) \
249	"ldr r0, [%0, #32]" "\n\t" \
250	"str r0, [sp, #16]" "\n\t" \
251	"ldr r3, [%0, #28]" "\n\t" \
252	"ldr r2, [%0, #24]" "\n\t" \
253	"ldr r1, [%0, #20]" "\n\t" \
254	"ldr r0, [%0, #16]" "\n\t" \
255	"str r3, [sp, #12]" "\n\t" \
256	"str r2, [sp, #8]" "\n\t" \
257	"str r1, [sp, #4]" "\n\t" \
258	"str r0, [sp]" "\n\t" \
259	"ldr r3, [%0, #12]" "\n\t" \
260	"ldr r2, [%0, #8]" "\n\t" \
261	"ldr r1, [%0, #4]" "\n\t" \
262	"ldr r0, [%0]" "\n\t" \
263	DTRACE_CALL(provider, name) \
264	DTRACE_DEALLOC_STACK(32) \
265	: \
266	: "l" (__dtrace_args) \
267	: "memory", "r0", "r1", "r2", "r3" \
268	);
269
270	#define DTRACE_CALL10ARGS(provider, name) \
271	asm volatile ( \
272	DTRACE_ALLOC_STACK(32) \
273	"ldr r1, [%0, #36]" "\n\t" \
274	"ldr r0, [%0, #32]" "\n\t" \
275	"str r1, [sp, #20]" "\n\t" \
276	"str r0, [sp, #16]" "\n\t" \
277	"ldr r3, [%0, #28]" "\n\t" \
278	"ldr r2, [%0, #24]" "\n\t" \
279	"ldr r1, [%0, #20]" "\n\t" \
280	"ldr r0, [%0, #16]" "\n\t" \
281	"str r3, [sp, #12]" "\n\t" \
282	"str r2, [sp, #8]" "\n\t" \
283	"str r1, [sp, #4]" "\n\t" \
284	"str r0, [sp]" "\n\t" \
285	"ldr r3, [%0, #12]" "\n\t" \
286	"ldr r2, [%0, #8]" "\n\t" \
287	"ldr r1, [%0, #4]" "\n\t" \
288	"ldr r0, [%0]" "\n\t" \
289	DTRACE_CALL(provider, name) \
290	DTRACE_DEALLOC_STACK(32) \
291	: \
292	: "l" (__dtrace_args) \
293	: "memory", "r0", "r1", "r2", "r3" \
294	);
295
296	#elif defined(__arm64__)
297
298	#define DTRACE_NOPS \
299	"nop" "\n\t"
300
301
302	#define DTRACE_CALL_INSN(p,n) \
303	"bl _dtracetest" DTRACE_STRINGIFY(_##p##_##n) "\n\t"
304
305	#define DTRACE_ALLOC_STACK(n) \
306	"sub sp, sp, #" #n "\n\t"
307	#define DTRACE_DEALLOC_STACK(n) \
308	"add sp, sp, #" #n "\n\t"
309
310	#define ARG1_EXTENT 1
311	#define ARGS2_EXTENT 2
312	#define ARGS3_EXTENT 3
313	#define ARGS4_EXTENT 4
314	#define ARGS5_EXTENT 5
315	#define ARGS6_EXTENT 6
316	#define ARGS7_EXTENT 7
317	#define ARGS8_EXTENT 8
318	#define ARGS9_EXTENT 9
319	#define ARGS10_EXTENT 10
320
321	#define DTRACE_CALL0ARGS(provider, name) \
322	asm volatile ( \
323	DTRACE_CALL(provider, name) \
324	"# eat trailing nl+tab from DTRACE_CALL" \
325	: \
326	: \
327	);
328
329	#define DTRACE_CALL1ARG(provider, name) \
330	asm volatile ("ldr x0, [%0]" "\n\t" \
331	DTRACE_CALL(provider, name) \
332	: \
333	: "r" (__dtrace_args) \
334	: "memory", "x0" \
335	);
336
337	#define DTRACE_CALL2ARGS(provider, name) \
338	asm volatile ("ldp x0, x1, [%0]" "\n\t" \
339	DTRACE_CALL(provider, name) \
340	: \
341	: "r" (__dtrace_args) \
342	: "memory", "x0", "x1" \
343	);
344
345	#define DTRACE_CALL3ARGS(provider, name) \
346	asm volatile ("ldr x2, [%0, #16]" "\n\t" \
347	"ldp x0, x1, [%0]" "\n\t" \
348	DTRACE_CALL(provider, name) \
349	: \
350	: "r" (__dtrace_args) \
351	: "memory", "x0", "x1", "x2" \
352	);
353
354	#define DTRACE_CALL4ARGS(provider, name) \
355	asm volatile ("ldp x2, x3, [%0, #16]" "\n\t" \
356	"ldp x0, x1, [%0]" "\n\t" \
357	DTRACE_CALL(provider, name) \
358	: \
359	: "r" (__dtrace_args) \
360	: "memory", "x0", "x1", "x2", "x3" \
361	);
362
363	#define DTRACE_CALL5ARGS(provider, name) \
364	asm volatile ("ldr x4, [%0, #32]" "\n\t" \
365	"ldp x2, x3, [%0, #16]" "\n\t" \
366	"ldp x0, x1, [%0]" "\n\t" \
367	DTRACE_CALL(provider, name) \
368	: \
369	: "r" (__dtrace_args) \
370	: "memory", "x0", "x1", "x2", "x3", "x4" \
371	);
372
373	#define DTRACE_CALL6ARGS(provider, name) \
374	asm volatile ("ldp x4, x5, [%0, #32]" "\n\t" \
375	"ldp x2, x3, [%0, #16]" "\n\t" \
376	"ldp x0, x1, [%0]" "\n\t" \
377	DTRACE_CALL(provider, name) \
378	: \
379	: "r" (__dtrace_args) \
380	: "memory", "x0", "x1", "x2", "x3", "x4", "x5" \
381	);
382
383	#define DTRACE_CALL7ARGS(provider, name) \
384	asm volatile ("ldr x6, [%0, #48]" "\n\t" \
385	"ldp x4, x5, [%0, #32]" "\n\t" \
386	"ldp x2, x3, [%0, #16]" "\n\t" \
387	"ldp x0, x1, [%0]" "\n\t" \
388	DTRACE_CALL(provider, name) \
389	: \
390	: "r" (__dtrace_args) \
391	: "memory", "x0", "x1", "x2", "x3", "x4", "x5", "x6" \
392	);
393
394	#define DTRACE_CALL8ARGS(provider, name) \
395	asm volatile ("ldp x6, x7, [%0, #48]" "\n\t" \
396	"ldp x4, x5, [%0, #32]" "\n\t" \
397	"ldp x2, x3, [%0, #16]" "\n\t" \
398	"ldp x0, x1, [%0]" "\n\t" \
399	DTRACE_CALL(provider, name) \
400	: \
401	: "r" (__dtrace_args) \
402	: "memory", "x0", "x1", "x2", "x3", "x4", "x5", "x6", "x7" \
403	);
404
405	/* Keep stack 16 byte aligned per ABI requirements */
406	#define DTRACE_CALL9ARGS(provider, name) \
407	asm volatile ( \
408	DTRACE_ALLOC_STACK(16) \
409	"ldr x0, [%0, #64]" "\n\t" \
410	"str x0, [sp]" "\n\t" \
411	"ldp x6, x7, [%0, #48]" "\n\t" \
412	"ldp x4, x5, [%0, #32]" "\n\t" \
413	"ldp x2, x3, [%0, #16]" "\n\t" \
414	"ldp x0, x1, [%0]" "\n\t" \
415	DTRACE_CALL(provider, name) \
416	DTRACE_DEALLOC_STACK(16) \
417	: \
418	: "r" (__dtrace_args) \
419	: "memory", "x0", "x1", "x2", "x3", "x4", "x5", "x6", "x7" \
420	);
421
422	#define DTRACE_CALL10ARGS(provider, name) \
423	asm volatile ( \
424	DTRACE_ALLOC_STACK(16) \
425	"ldp x0, x1, [%0, #64]" "\n\t" \
426	"stp x0, x1, [sp]" "\n\t" \
427	"ldp x6, x7, [%0, #48]" "\n\t" \
428	"ldp x4, x5, [%0, #32]" "\n\t" \
429	"ldp x2, x3, [%0, #16]" "\n\t" \
430	"ldp x0, x1, [%0]" "\n\t" \
431	DTRACE_CALL(provider, name) \
432	DTRACE_DEALLOC_STACK(16) \
433	: \
434	: "r" (__dtrace_args) \
435	: "memory", "x0", "x1", "x2", "x3", "x4", "x5", "x6", "x7" \
436	);
437
438	#endif /* __arm__ */
439
440	#endif /* _MACH_ARM_SDT_ISA_H */