xref: /freebsd/sys/powerpc/include/asm.h (revision a3e8fd0b7f663db7eafff527d5c3ca3bcfa8a537)
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 #ifdef PIC
39 #define	PIC_PROLOGUE	XXX
40 #define	PIC_EPILOGUE	XXX
41 #define	PIC_PLT(x)	x@plt
42 #ifdef	__STDC__
43 #define	PIC_GOT(x)	XXX
44 #else	/* not __STDC__ */
45 #define	PIC_GOT(x)	XXX
46 #endif	/* __STDC__ */
47 #else
48 #define	PIC_PROLOGUE
49 #define	PIC_EPILOGUE
50 #define	PIC_PLT(x)	x
51 #define PIC_GOT(x)	x
52 #endif
53 
54 #define	CNAME(csym)		csym
55 #define	ASMNAME(asmsym)		asmsym
56 #define	HIDENAME(asmsym)	__CONCAT(.,asmsym)
57 
58 #define	_GLOBAL(x) \
59 	.data; .align 2; .globl x; x:
60 
61 #define	_ENTRY(x) \
62 	.text; .align 2; .globl x; .type x,@function; x:
63 
64 #ifdef GPROF
65 # define	_PROF_PROLOGUE	mflr 0; stw 0,4(1); bl _mcount
66 #else
67 # define	_PROF_PROLOGUE
68 #endif
69 
70 #define	ENTRY(y)	_ENTRY(CNAME(y)); _PROF_PROLOGUE
71 #define	ASENTRY(y)	_ENTRY(ASMNAME(y)); _PROF_PROLOGUE
72 #define	GLOBAL(y)	_GLOBAL(CNAME(y))
73 
74 #define	ASMSTR		.asciz
75 
76 #define	RCSID(x)	.text; .asciz x
77 
78 #if !defined(lint) && !defined(STRIP_FBSDID)
79 #define __FBSDID(s)	.ident s
80 #else
81 #define __FBSDID(s)	/* nothing */
82 #endif /* not lint and not STRIP_FBSDID */
83 
84 #define	WEAK_ALIAS(alias,sym)					\
85 	.weak alias;						\
86 	alias = sym
87 
88 #ifdef __STDC__
89 #define	WARN_REFERENCES(_sym,_msg)				\
90 	.section .gnu.warning. ## _sym ; .ascii _msg ; .text
91 #else
92 #define	WARN_REFERENCES(_sym,_msg)				\
93 	.section .gnu.warning./**/_sym ; .ascii _msg ; .text
94 #endif /* __STDC__ */
95 
96 #endif /* !_MACHINE_ASM_H_ */
97