1/* $OpenBSD: profile.h,v 1.6 2023/06/27 10:11:15 cheloha Exp $ */
2/* $NetBSD: profile.h,v 1.3 2003/11/28 23:22:45 fvdl Exp $ */
3
4/*
5 * Copyright (c) 1992, 1993
6 * The Regents of the University of California. All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. Neither the name of the University nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 *
32 * @(#)profile.h 8.1 (Berkeley) 6/11/93
33 */
34
35#define _MCOUNT_DECL void _mcount
36
37#ifdef __PIC__
38#define __MCPLT "@PLT"
39#else
40#define __MCPLT
41#endif
42
43#define MCOUNT \
44__asm(" .globl __mcount \n" \
45" .type __mcount,@function\n" \
46"__mcount: \n" \
47" pushq %rbp \n" \
48" movq %rsp,%rbp \n" \
49" subq $56,%rsp \n" \
50" movq %rdi,0(%rsp) \n" \
51" movq %rsi,8(%rsp) \n" \
52" movq %rdx,16(%rsp) \n" \
53" movq %rcx,24(%rsp) \n" \
54" movq %r8,32(%rsp) \n" \
55" movq %r9,40(%rsp) \n" \
56" movq %rax,48(%rsp) \n" \
57" movq 0(%rbp),%r11 \n" \
58" movq 8(%r11),%rdi \n" \
59" movq 8(%rbp),%rsi \n" \
60" call _mcount"__MCPLT"\n" \
61" movq 0(%rsp),%rdi \n" \
62" movq 8(%rsp),%rsi \n" \
63" movq 16(%rsp),%rdx \n" \
64" movq 24(%rsp),%rcx \n" \
65" movq 32(%rsp),%r8 \n" \
66" movq 40(%rsp),%r9 \n" \
67" movq 48(%rsp),%rax \n" \
68" leave \n" \
69" ret \n" \
70" lfence \n" \
71" .size __mcount,.-__mcount");
72
73
74#ifdef _KERNEL
75#define MCOUNT_ENTER s = intr_disable()
76#define MCOUNT_EXIT intr_restore(s)
77#endif /* _KERNEL */