xref: /freebsd/sys/powerpc/include/asm.h (revision db612abe8df3355d1eb23bb3b50fdd97bc21e979)
1 /*-
2  * Copyright (C) 1995, 1996 Wolfgang Solfrank.
3  * Copyright (C) 1995, 1996 TooLs GmbH.
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  * 3. All advertising materials mentioning features or use of this software
15  *    must display the following acknowledgement:
16  *	This product includes software developed by TooLs GmbH.
17  * 4. The name of TooLs GmbH may not be used to endorse or promote products
18  *    derived from this software without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
21  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
22  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
23  * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
24  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
25  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
26  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
27  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
28  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
29  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30  *
31  *	$NetBSD: asm.h,v 1.6.18.1 2000/07/25 08:37:14 kleink Exp $
32  * $FreeBSD$
33  */
34 
35 #ifndef _MACHINE_ASM_H_
36 #define	_MACHINE_ASM_H_
37 
38 #include <sys/cdefs.h>
39 
40 #ifdef PIC
41 #define	PIC_PROLOGUE	XXX
42 #define	PIC_EPILOGUE	XXX
43 #define	PIC_PLT(x)	x@plt
44 #ifdef	__STDC__
45 #define	PIC_GOT(x)	XXX
46 #else	/* not __STDC__ */
47 #define	PIC_GOT(x)	XXX
48 #endif	/* __STDC__ */
49 #else
50 #define	PIC_PROLOGUE
51 #define	PIC_EPILOGUE
52 #define	PIC_PLT(x)	x
53 #define PIC_GOT(x)	x
54 #endif
55 
56 #define	CNAME(csym)		csym
57 #define	ASMNAME(asmsym)		asmsym
58 #define	HIDENAME(asmsym)	__CONCAT(.,asmsym)
59 
60 #define	_GLOBAL(x) \
61 	.data; .align 2; .globl x; x:
62 
63 #define	_ENTRY(x) \
64 	.text; .align 4; .globl x; .type x,@function; x:
65 
66 #ifdef GPROF
67 # define	_PROF_PROLOGUE	mflr 0; stw 0,4(1); bl _mcount
68 #else
69 # define	_PROF_PROLOGUE
70 #endif
71 
72 #define	ENTRY(y)	_ENTRY(CNAME(y)); _PROF_PROLOGUE
73 #define	ASENTRY(y)	_ENTRY(ASMNAME(y)); _PROF_PROLOGUE
74 #define	GLOBAL(y)	_GLOBAL(CNAME(y))
75 
76 #define	ASMSTR		.asciz
77 
78 #define	RCSID(x)	.text; .asciz x
79 
80 #undef __FBSDID
81 #if !defined(lint) && !defined(STRIP_FBSDID)
82 #define __FBSDID(s)	.ident s
83 #else
84 #define __FBSDID(s)	/* nothing */
85 #endif /* not lint and not STRIP_FBSDID */
86 
87 #define	WEAK_ALIAS(alias,sym)					\
88 	.weak alias;						\
89 	alias = sym
90 
91 #ifdef __STDC__
92 #define	WARN_REFERENCES(_sym,_msg)				\
93 	.section .gnu.warning. ## _sym ; .ascii _msg ; .text
94 #else
95 #define	WARN_REFERENCES(_sym,_msg)				\
96 	.section .gnu.warning./**/_sym ; .ascii _msg ; .text
97 #endif /* __STDC__ */
98 
99 #endif /* !_MACHINE_ASM_H_ */
100