Initial bulk commit for "Git on MSys"
[msysgit/historical-msysgit.git] / mingw / include / profile.h
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1 /* $NetBSD: profile.h,v 1.6 1995/03/28 18:17:08 jtc Exp $ */
3 /*
4 * Copyright (c) 1992, 1993
5 * The Regents of the University of California. All rights reserved.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 * must display the following acknowledgement:
17 * This product includes software developed by the University of
18 * California, Berkeley and its contributors.
19 * 4. Neither the name of the University nor the names of its contributors
20 * may be used to endorse or promote products derived from this software
21 * without specific prior written permission.
23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
35 * @(#)profile.h 8.1 (Berkeley) 6/11/93
39 * This file is taken from Cygwin distribution. Please keep it in sync.
40 * The differences should be within __MINGW32__ guard.
42 /* If compiler doesn't inline, at least avoid passing args on the stack. */
43 #define _MCOUNT_CALL __attribute__ ((regparm (2)))
44 #define _MCOUNT_DECL static __inline__ void _MCOUNT_CALL _mcount
46 /* FIXME: This works, but it would be cleaner to convert mcount into an
47 assembler stub that calls an extern _mcount.
48 Older versions of GCC (pre-4.1) will still fail with regparm since the
49 compiler used %edx to store an unneeded counter variable. */
51 #define MCOUNT \
52 void \
53 mcount() \
54 { \
55 u_long selfpc, frompcindex; \
56 /* \
57 * Save registers, since this may be called from \
58 * the prologue of a regparm function. \
59 */ \
60 __asm __volatile__ ("pushl %eax\n\t" \
61 "pushl %ecx\n\t" \
62 "pushl %edx"); \
63 /* \
64 * find the return address for mcount, \
65 * and the return address for mcount's caller. \
66 * \
67 * selfpc = pc pushed by mcount call \
68 */ \
69 /* __asm ("movl 4(%%ebp),%0" : "=r" (selfpc)); */ \
70 selfpc = (u_long) __builtin_return_address (0); \
71 /* \
72 * frompcindex = pc pushed by call into self. \
73 */ \
74 /* __asm ("movl (%%ebp),%0;movl 4(%0),%0" : "=r" (frompcindex)); */ \
75 frompcindex = (u_long) __builtin_return_address (1); \
76 _mcount(frompcindex, selfpc); \
77 /* \
78 * Restore registers. \
79 */ \
80 __asm __volatile__ ("popl %edx\n\t" \
81 "popl %ecx\n\t" \
82 "popl %eax"); \