asm.h revision 1.16.2.2 1 1.16.2.2 mycroft /* $NetBSD: asm.h,v 1.16.2.2 1999/11/07 07:20:27 mycroft Exp $ */
2 1.16.2.2 mycroft
3 1.16.2.2 mycroft /*-
4 1.16.2.2 mycroft * Copyright (c) 1990 The Regents of the University of California.
5 1.16.2.2 mycroft * All rights reserved.
6 1.16.2.2 mycroft *
7 1.16.2.2 mycroft * This code is derived from software contributed to Berkeley by
8 1.16.2.2 mycroft * William Jolitz.
9 1.16.2.2 mycroft *
10 1.16.2.2 mycroft * Redistribution and use in source and binary forms, with or without
11 1.16.2.2 mycroft * modification, are permitted provided that the following conditions
12 1.16.2.2 mycroft * are met:
13 1.16.2.2 mycroft * 1. Redistributions of source code must retain the above copyright
14 1.16.2.2 mycroft * notice, this list of conditions and the following disclaimer.
15 1.16.2.2 mycroft * 2. Redistributions in binary form must reproduce the above copyright
16 1.16.2.2 mycroft * notice, this list of conditions and the following disclaimer in the
17 1.16.2.2 mycroft * documentation and/or other materials provided with the distribution.
18 1.16.2.2 mycroft * 3. All advertising materials mentioning features or use of this software
19 1.16.2.2 mycroft * must display the following acknowledgement:
20 1.16.2.2 mycroft * This product includes software developed by the University of
21 1.16.2.2 mycroft * California, Berkeley and its contributors.
22 1.16.2.2 mycroft * 4. Neither the name of the University nor the names of its contributors
23 1.16.2.2 mycroft * may be used to endorse or promote products derived from this software
24 1.16.2.2 mycroft * without specific prior written permission.
25 1.16.2.2 mycroft *
26 1.16.2.2 mycroft * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
27 1.16.2.2 mycroft * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28 1.16.2.2 mycroft * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29 1.16.2.2 mycroft * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
30 1.16.2.2 mycroft * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31 1.16.2.2 mycroft * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32 1.16.2.2 mycroft * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33 1.16.2.2 mycroft * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34 1.16.2.2 mycroft * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35 1.16.2.2 mycroft * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 1.16.2.2 mycroft * SUCH DAMAGE.
37 1.16.2.2 mycroft *
38 1.16.2.2 mycroft * @(#)asm.h 5.5 (Berkeley) 5/7/91
39 1.16.2.2 mycroft */
40 1.16.2.2 mycroft
41 1.16.2.2 mycroft #ifndef _I386_ASM_H_
42 1.16.2.2 mycroft #define _I386_ASM_H_
43 1.16.2.2 mycroft
44 1.16.2.2 mycroft #ifdef PIC
45 1.16.2.2 mycroft #define PIC_PROLOGUE \
46 1.16.2.2 mycroft pushl %ebx; \
47 1.16.2.2 mycroft call 1f; \
48 1.16.2.2 mycroft 1: \
49 1.16.2.2 mycroft popl %ebx; \
50 1.16.2.2 mycroft addl $_GLOBAL_OFFSET_TABLE_+[.-1b], %ebx
51 1.16.2.2 mycroft #define PIC_EPILOGUE \
52 1.16.2.2 mycroft popl %ebx
53 1.16.2.2 mycroft #define PIC_PLT(x) x@PLT
54 1.16.2.2 mycroft #define PIC_GOT(x) x@GOT(%ebx)
55 1.16.2.2 mycroft #define PIC_GOTOFF(x) x@GOTOFF(%ebx)
56 1.16.2.2 mycroft #else
57 1.16.2.2 mycroft #define PIC_PROLOGUE
58 1.16.2.2 mycroft #define PIC_EPILOGUE
59 1.16.2.2 mycroft #define PIC_PLT(x) x
60 1.16.2.2 mycroft #define PIC_GOT(x) x
61 1.16.2.2 mycroft #define PIC_GOTOFF(x) x
62 1.16.2.2 mycroft #endif
63 1.16.2.2 mycroft
64 1.16.2.2 mycroft #ifdef __ELF__
65 1.16.2.2 mycroft # define _C_LABEL(x) x
66 1.16.2.2 mycroft #else
67 1.16.2.2 mycroft # ifdef __STDC__
68 1.16.2.2 mycroft # define _C_LABEL(x) _ ## x
69 1.16.2.2 mycroft # else
70 1.16.2.2 mycroft # define _C_LABEL(x) _/**/x
71 1.16.2.2 mycroft # endif
72 1.16.2.2 mycroft #endif
73 1.16.2.2 mycroft #define _ASM_LABEL(x) x
74 1.16.2.2 mycroft
75 1.16.2.2 mycroft #ifdef __STDC__
76 1.16.2.2 mycroft # define __CONCAT(x,y) x ## y
77 1.16.2.2 mycroft # define __STRING(x) #x
78 1.16.2.2 mycroft #else
79 1.16.2.2 mycroft # define __CONCAT(x,y) x/**/y
80 1.16.2.2 mycroft # define __STRING(x) "x"
81 1.16.2.2 mycroft #endif
82 1.16.2.2 mycroft
83 1.16.2.2 mycroft /* let kernels and others override entrypoint alignment */
84 1.16.2.2 mycroft #ifndef _ALIGN_TEXT
85 1.16.2.2 mycroft # ifdef __ELF__
86 1.16.2.2 mycroft # define _ALIGN_TEXT .align 4
87 1.16.2.2 mycroft # else
88 1.16.2.2 mycroft # define _ALIGN_TEXT .align 2
89 1.16.2.2 mycroft # endif
90 1.16.2.2 mycroft #endif
91 1.16.2.2 mycroft
92 1.16.2.2 mycroft #define _ENTRY(x) \
93 1.16.2.2 mycroft .text; _ALIGN_TEXT; .globl x; .type x,@function; x:
94 1.16.2.2 mycroft
95 1.16.2.2 mycroft #ifdef GPROF
96 1.16.2.2 mycroft # ifdef __ELF__
97 1.16.2.2 mycroft # define _PROF_PROLOGUE \
98 1.16.2.2 mycroft pushl %ebp; movl %esp,%ebp; call PIC_PLT(__mcount); popl %ebp
99 1.16.2.2 mycroft # else
100 1.16.2.2 mycroft # define _PROF_PROLOGUE \
101 1.16.2.2 mycroft pushl %ebp; movl %esp,%ebp; call PIC_PLT(mcount); popl %ebp
102 1.16.2.2 mycroft # endif
103 1.16.2.2 mycroft #else
104 1.16.2.2 mycroft # define _PROF_PROLOGUE
105 1.16.2.2 mycroft #endif
106 1.16.2.2 mycroft
107 1.16.2.2 mycroft #define ENTRY(y) _ENTRY(_C_LABEL(y)); _PROF_PROLOGUE
108 1.16.2.2 mycroft #define NENTRY(y) _ENTRY(_C_LABEL(y))
109 1.16.2.2 mycroft #define ASENTRY(y) _ENTRY(_ASM_LABEL(y)); _PROF_PROLOGUE
110 1.16.2.2 mycroft
111 1.16.2.2 mycroft #define ALTENTRY(name) .globl _C_LABEL(name); _C_LABEL(name):
112 1.16.2.2 mycroft
113 1.16.2.2 mycroft #define ASMSTR .asciz
114 1.16.2.2 mycroft
115 1.16.2.2 mycroft #define RCSID(x) .text; .asciz x
116 1.16.2.2 mycroft
117 1.16.2.2 mycroft #ifdef __STDC__
118 1.16.2.2 mycroft #define WARN_REFERENCES(sym,msg) \
119 1.16.2.2 mycroft .stabs msg ## ,30,0,0,0 ; \
120 1.16.2.2 mycroft .stabs __STRING(_C_LABEL(sym)) ## ,1,0,0,0
121 1.16.2.2 mycroft #elifdef __ELF__
122 1.16.2.2 mycroft #define WARN_REFERENCES(sym,msg) \
123 1.16.2.2 mycroft .stabs msg,30,0,0,0 ; \
124 1.16.2.2 mycroft .stabs __STRING(sym),1,0,0,0
125 1.16.2.2 mycroft #else
126 1.16.2.2 mycroft #define WARN_REFERENCES(sym,msg) \
127 1.16.2.2 mycroft .stabs msg,30,0,0,0 ; \
128 1.16.2.2 mycroft .stabs __STRING(_/**/sym),1,0,0,0
129 1.16.2.2 mycroft #endif /* __STDC__ */
130 1.16.2.2 mycroft
131 1.16.2.2 mycroft #endif /* !_I386_ASM_H_ */
132