profile.h revision 88088 
1/* $FreeBSD: head/sys/ia64/include/profile.h 88088 2001-12-18 00:27:18Z jhb $ */
2/* From: NetBSD: profile.h,v 1.9 1997/04/06 08:47:37 cgd Exp */
3
4/*
5 * Copyright (c) 1994, 1995, 1996 Carnegie-Mellon University.
6 * All rights reserved.
7 *
8 * Author: Chris G. Demetriou
9 *
10 * Permission to use, copy, modify and distribute this software and
11 * its documentation is hereby granted, provided that both the copyright
12 * notice and this permission notice appear in all copies of the
13 * software, derivative works or modified versions, and any portions
14 * thereof, and that both notices appear in supporting documentation.
15 *
16 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
17 * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
18 * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
19 *
20 * Carnegie Mellon requests users of this software to return to
21 *
22 *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
23 *  School of Computer Science
24 *  Carnegie Mellon University
25 *  Pittsburgh PA 15213-3890
26 *
27 * any improvements or extensions that they make and grant Carnegie the
28 * rights to redistribute these changes.
29 */
30
31#define	_MCOUNT_DECL	void mcount
32
33#define FUNCTION_ALIGNMENT 32
34
35typedef u_long	fptrdiff_t;
36
37#define MCOUNT __asm ("							\n\
38	.globl	_mcount							\n\
39	.proc	_mcount							\n\
40_mcount:								\n\
41	alloc	loc0=ar.pfs,8,7,2,0	// space to save r8-r11,rp,b7	\n\
42	add	sp=-8*16,sp		// space to save f8-f15		\n\
43	mov	loc1=rp			// caller's return address	\n\
44	mov	loc2=b7			// our return back to caller	\n\
45	;;								\n\
46	add	r17=16,sp		// leave 16 bytes for mcount	\n\
47	add	r18=32,sp						\n\
48	;;								\n\
49	mov	loc3=r8			// structure return address	\n\
50	mov	loc4=r9			// language specific		\n\
51	mov	loc5=r10		// language specific		\n\
52	mov	loc6=r11		// language specific		\n\
53	;;								\n\
54	stf.spill [r17]=f8,32		// save float arguments		\n\
55	stf.spill [r18]=f9,32						\n\
56	mov	out0=rp			// frompc			\n\
57	;;								\n\
58	stf.spill [r17]=f10,32						\n\
59	stf.spill [r18]=f11,32						\n\
60	mov	out1=b7			// selfpc			\n\
61	;;								\n\
62	stf.spill [r17]=f12,32						\n\
63	stf.spill [r18]=f13,32						\n\
64	;;								\n\
65	stf.spill [r17]=f14,32						\n\
66	stf.spill [r18]=f15,32						\n\
67	;;								\n\
68	br.call.sptk.many rp=mcount					\n\
69	;;								\n\
70	add	r17=16,sp						\n\
71	add	r18=32,sp						\n\
72	;;								\n\
73	ldf.fill f8=[r17],32						\n\
74	ldf.fill f9=[r18],32						\n\
75	mov	r8=loc3			// restore structure pointer	\n\
76	;;								\n\
77	ldf.fill f10=[r17],32		// restore float arguments	\n\
78	ldf.fill f11=[r18],32						\n\
79	mov	r9=loc4							\n\
80	;;								\n\
81	ldf.fill f12=[r17],32		// etc.				\n\
82	ldf.fill f13=[r18],32						\n\
83	mov	r10=loc5						\n\
84	;;								\n\
85	ldf.fill f14=[r17],32						\n\
86	ldf.fill f15=[r18],32						\n\
87	mov	r11=loc6						\n\
88	;;								\n\
89	mov	b7=loc2			// clean up			\n\
90	mov	rp=loc1							\n\
91	mov	ar.pfs=loc0						\n\
92	;;								\n\
93	alloc	r14=ar.pfs,0,0,8,0	// drop our register frame	\n\
94	br.sptk.many b7			// back to caller		\n\
95									\n\
96	.end	_mcount");
97
98#ifdef _KERNEL
99/*
100 * The following two macros do splhigh and splx respectively.
101 */
102#define MCOUNT_ENTER(s) \n\
103	_c = cpu_critical_enter()
104#define MCOUNT_EXIT(s) \n\
105	cpu_critical_exit(_c)
106#define	MCOUNT_DECL(s)	critical_t c;
107#ifdef GUPROF
108struct gmonparam;
109
110void	nullfunc_loop_profiled __P((void));
111void	nullfunc_profiled __P((void));
112void	startguprof __P((struct gmonparam *p));
113void	stopguprof __P((struct gmonparam *p));
114#else
115#define startguprof(p)
116#define stopguprof(p)
117#endif /* GUPROF */
118
119#else /* !_KERNEL */
120typedef u_long	uintfptr_t;
121#endif
122