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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 #if defined(PIC) && !defined(__powerpc64__)
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 #ifdef __powerpc64__
59 #define HIDENAME(asmsym)        __CONCAT(_,asmsym)
60 #else
61 #define HIDENAME(asmsym)        __CONCAT(.,asmsym)
62 #endif
63
64 #define _GLOBAL(x) \
65         .data; .align 2; .globl x; x:
66
67 #ifdef __powerpc64__ 
68 #define _ENTRY(x) \
69         .text; .align 2; .globl x; .section ".opd","aw"; \
70         .align 3; x: \
71             .quad .L.x,.TOC.@tocbase,0; .size x,24; .previous; \
72         .align 4; .type x,@function; .L.x:
73 #else
74 #define _ENTRY(x) \
75         .text; .align 4; .globl x; .type x,@function; x:
76 #endif
77
78 #if defined(PROF) || (defined(_KERNEL) && defined(GPROF))
79 # ifdef __powerpc64__
80 #   define      _PROF_PROLOGUE  mflr 0;                                 \
81                                 std 3,48(1);                            \
82                                 std 4,56(1);                            \
83                                 std 5,64(1);                            \
84                                 std 0,16(1);                            \
85                                 stdu 1,-112(1);                         \
86                                 bl _mcount;                             \
87                                 nop;                                    \
88                                 ld 0,112+16(1);                         \
89                                 ld 3,112+48(1);                         \
90                                 ld 4,112+56(1);                         \
91                                 ld 5,112+64(1);                         \
92                                 mtlr 0;                                 \
93                                 addi 1,1,112
94 # else
95 #   define      _PROF_PROLOGUE  mflr 0; stw 0,4(1); bl _mcount
96 # endif
97 #else
98 # define        _PROF_PROLOGUE
99 #endif
100
101 #define ASENTRY(y)      _ENTRY(ASMNAME(y)); _PROF_PROLOGUE
102 #define ENTRY(y)        _ENTRY(CNAME(y)); _PROF_PROLOGUE
103 #define GLOBAL(y)       _GLOBAL(CNAME(y))
104
105 #define ASENTRY_NOPROF(y)       _ENTRY(ASMNAME(y))
106 #define ENTRY_NOPROF(y)         _ENTRY(CNAME(y))
107
108 #define ASMSTR          .asciz
109
110 #define RCSID(x)        .text; .asciz x
111
112 #undef __FBSDID
113 #if !defined(lint) && !defined(STRIP_FBSDID)
114 #define __FBSDID(s)     .ident s
115 #else
116 #define __FBSDID(s)     /* nothing */
117 #endif /* not lint and not STRIP_FBSDID */
118
119 #define WEAK_ALIAS(alias,sym)                                   \
120         .weak alias;                                            \
121         alias = sym
122
123 #ifdef __STDC__
124 #define WARN_REFERENCES(_sym,_msg)                              \
125         .section .gnu.warning. ## _sym ; .ascii _msg ; .text
126 #else
127 #define WARN_REFERENCES(_sym,_msg)                              \
128         .section .gnu.warning./**/_sym ; .ascii _msg ; .text
129 #endif /* __STDC__ */
130
131 #endif /* !_MACHINE_ASM_H_ */