summaryrefslogtreecommitdiff
path: root/sys/arch/alpha/include/profile.h
blob: fd8bf8cf9687b9586e66fd01d9055340e343a291 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
/*	$OpenBSD: profile.h,v 1.5 1997/01/24 19:57:17 niklas Exp $	*/
/*	$NetBSD: profile.h,v 1.7 1996/11/13 22:21:01 cgd Exp $	*/

/*
 * Copyright (c) 1994, 1995, 1996 Carnegie-Mellon University.
 * All rights reserved.
 *
 * Author: Chris G. Demetriou
 * 
 * Permission to use, copy, modify and distribute this software and
 * its documentation is hereby granted, provided that both the copyright
 * notice and this permission notice appear in all copies of the
 * software, derivative works or modified versions, and any portions
 * thereof, and that both notices appear in supporting documentation.
 * 
 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 
 * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 
 * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
 * 
 * Carnegie Mellon requests users of this software to return to
 *
 *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
 *  School of Computer Science
 *  Carnegie Mellon University
 *  Pittsburgh PA 15213-3890
 *
 * any improvements or extensions that they make and grant Carnegie the
 * rights to redistribute these changes.
 */

#define	_MCOUNT_DECL	void mcount

#if 0
/*
 * XXX The definition of MCOUNT below is really the following code, run
 * XXX through cpp, since the inline assembly isn't preprocessed.
 */
#define	OFFSET_AT	0
#define OFFSET_V0	8
#define OFFSET_T0	16
#define OFFSET_T1	24
#define OFFSET_T2	32
#define OFFSET_T3	40
#define OFFSET_T4	48
#define OFFSET_T5	56
#define OFFSET_T6	64
#define OFFSET_T7	72
#define OFFSET_S6	80
#define OFFSET_A0	88
#define OFFSET_A1	96
#define OFFSET_A2	104
#define OFFSET_A3	112
#define OFFSET_A4	120
#define OFFSET_A5	128
#define OFFSET_T8	136
#define OFFSET_T9	144
#define OFFSET_T10	152
#define OFFSET_T11	160
#define OFFSET_RA	168
#define OFFSET_T12	176
#define OFFSET_GP	184
#define	FRAME_SIZE	192

LEAF(_mcount,0)			/* XXX */
	.set noat
	.set noreorder

	lda	sp, -FRAME_SIZE(sp)

	stq	at_reg, OFFSET_AT(sp)
	stq	v0, OFFSET_V0(sp)
	stq	t0, OFFSET_T0(sp)
	stq	t1, OFFSET_T1(sp)
	stq	t2, OFFSET_T2(sp)
	stq	t3, OFFSET_T3(sp)
	stq	t4, OFFSET_T4(sp)
	stq	t5, OFFSET_T5(sp)
	stq	t6, OFFSET_T6(sp)
	stq	t7, OFFSET_T7(sp)
	stq	s6, OFFSET_S6(sp)	/* XXX because run _after_ prologue. */
	stq	a0, OFFSET_A0(sp)
	stq	a1, OFFSET_A1(sp)
	stq	a2, OFFSET_A2(sp)
	stq	a3, OFFSET_A3(sp)
	stq	a4, OFFSET_A4(sp)
	stq	a5, OFFSET_A5(sp)
	stq	t8, OFFSET_T8(sp)
	stq	t9, OFFSET_T9(sp)
	stq	t10, OFFSET_T10(sp)
	stq	t11, OFFSET_T11(sp)
	stq	ra, OFFSET_RA(sp)
	stq	t12, OFFSET_T12(sp)
	stq	gp, OFFSET_GP(sp)

	br	pv, LX99
LX99:	SETGP(pv)
	mov	ra, a0
	mov	at_reg, a1
	CALL(mcount)

	ldq	v0, OFFSET_V0(sp)
	ldq	t0, OFFSET_T0(sp)
	ldq	t1, OFFSET_T1(sp)
	ldq	t2, OFFSET_T2(sp)
	ldq	t3, OFFSET_T3(sp)
	ldq	t4, OFFSET_T4(sp)
	ldq	t5, OFFSET_T5(sp)
	ldq	t6, OFFSET_T6(sp)
	ldq	t7, OFFSET_T7(sp)
	ldq	s6, OFFSET_S6(sp)	/* XXX because run _after_ prologue. */
	ldq	a0, OFFSET_A0(sp)
	ldq	a1, OFFSET_A1(sp)
	ldq	a2, OFFSET_A2(sp)
	ldq	a3, OFFSET_A3(sp)
	ldq	a4, OFFSET_A4(sp)
	ldq	a5, OFFSET_A5(sp)
	ldq	t8, OFFSET_T8(sp)
	ldq	t9, OFFSET_T9(sp)
	ldq	t10, OFFSET_T10(sp)
	ldq	t11, OFFSET_T11(sp)
	ldq	ra, OFFSET_RA(sp)
	stq	t12, OFFSET_T12(sp)
	ldq	gp, OFFSET_GP(sp)

	ldq	at_reg, OFFSET_AT(sp)

	lda	sp, FRAME_SIZE(sp)
	ret	zero, (at_reg), 1

	END(_mcount)
#endif /* 0 */

#define MCOUNT asm("		\
	.globl	_mcount;	\
	.ent	_mcount 0;	\
_mcount:;			\
	.frame	$30,0,$26;	\
	.set noat;		\
	.set noreorder;		\
				\
	lda	$30, -192($30);	\
				\
	stq	$28, 0($30);	\
	stq	$0, 8($30);	\
	stq	$1, 16($30);	\
	stq	$2, 24($30);	\
	stq	$3, 32($30);	\
	stq	$4, 40($30);	\
	stq	$5, 48($30);	\
	stq	$6, 56($30);	\
	stq	$7, 64($30);	\
	stq	$8, 72($30);	\
	stq	$15, 80($30);	\
	stq	$16, 88($30);	\
	stq	$17, 96($30);	\
	stq	$18, 104($30);	\
	stq	$19, 112($30);	\
	stq	$20, 120($30);	\
	stq	$21, 128($30);	\
	stq	$22, 136($30);	\
	stq	$23, 144($30);	\
	stq	$24, 152($30);	\
	stq	$25, 160($30);	\
	stq	$26, 168($30);	\
	stq	$27, 176($30);	\
	stq	$29, 184($30);	\
				\
	br	$27, LX98;	\
LX98:	ldgp	$29,0($27);	\
	mov	$26, $16;	\
	mov	$28, $17;	\
	jsr	$26,mcount;	\
	ldgp	$29,0($26);	\
				\
	ldq	$0, 8($30);	\
	ldq	$1, 16($30);	\
	ldq	$2, 24($30);	\
	ldq	$3, 32($30);	\
	ldq	$4, 40($30);	\
	ldq	$5, 48($30);	\
	ldq	$6, 56($30);	\
	ldq	$7, 64($30);	\
	ldq	$8, 72($30);	\
	ldq	$15, 80($30);	\
	ldq	$16, 88($30);	\
	ldq	$17, 96($30);	\
	ldq	$18, 104($30);	\
	ldq	$19, 112($30);	\
	ldq	$20, 120($30);	\
	ldq	$21, 128($30);	\
	ldq	$22, 136($30);	\
	ldq	$23, 144($30);	\
	ldq	$24, 152($30);	\
	ldq	$25, 160($30);	\
	ldq	$25, 160($30);	\
	ldq	$26, 168($30);	\
	ldq	$27, 176($30);	\
	ldq	$29, 184($30);	\
				\
	lda	$30, 192($30);	\
	ret	$31, ($28), 1;	\
				\
	.end	_mcount");

#ifdef _KERNEL
/*
 * The following two macros do splhigh and splx respectively.
 * _alpha_pal_swpipl is a special version of alpha_pal_swpipl which
 * doesn't include profiling support.
 *
 * XXX These macros should probably use inline assembly.
 */
#define MCOUNT_ENTER \
	s = _alpha_pal_swpipl(ALPHA_PSL_IPL_HIGH)
#define MCOUNT_EXIT \
	(void)_alpha_pal_swpipl(s);
#endif