Annotation of sys/arch/amd64/include/profile.h, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: profile.h,v 1.3 2006/10/28 16:20:04 kettenis 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: " .size __mcount,.-__mcount");
71:
72:
73: #ifdef _KERNEL
74: #define MCOUNT_ENTER (void)&s; __asm__("cli");
75: #define MCOUNT_EXIT __asm__("sti");
76: #endif /* _KERNEL */
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