Annotation of sys/arch/vax/include/asm.h, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: asm.h,v 1.8 2003/06/02 23:27:57 millert Exp $ */
2: /* $NetBSD: asm.h,v 1.9 1999/01/15 13:31:28 bouyer Exp $ */
3: /*
4: * Copyright (c) 1982, 1993
5: * The Regents of the University of California. All rights reserved.
6: *
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. Neither the name of the University nor the names of its contributors
16: * may be used to endorse or promote products derived from this software
17: * without specific prior written permission.
18: *
19: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29: * SUCH DAMAGE.
30: *
31: * @(#)DEFS.h 8.1 (Berkeley) 6/4/93
32: */
33:
34: #ifndef _MACHINE_ASM_H_
35: #define _MACHINE_ASM_H_
36:
37: #define R0 0x001
38: #define R1 0x002
39: #define R2 0x004
40: #define R3 0x008
41: #define R4 0x010
42: #define R5 0x020
43: #define R6 0x040
44: #define R7 0x080
45: #define R8 0x100
46: #define R9 0x200
47: #define R10 0x400
48: #define R11 0x800
49:
50: #ifdef __ELF__
51: # define _C_LABEL(x) x
52: #else
53: # ifdef __STDC__
54: # define _C_LABEL(x) _ ## x
55: # else
56: # define _C_LABEL(x) _/**/x
57: # endif
58: #endif
59:
60: #define _ASM_LABEL(x) x
61:
62: #ifdef __STDC__
63: # define __CONCAT(x,y) x ## y
64: # define __STRING(x) #x
65: #else
66: # define __CONCAT(x,y) x/**/y
67: # define __STRING(x) "x"
68: #endif
69:
70: /* let kernels and others override entrypoint alignment */
71: #ifndef _ALIGN_TEXT
72: # ifdef __ELF__
73: # define _ALIGN_TEXT .align 4
74: # else
75: # define _ALIGN_TEXT .align 2
76: # endif
77: #endif
78:
79: #define _ENTRY(x, regs) \
80: .text; _ALIGN_TEXT; .globl x; .type x,@function; x: .word regs
81:
82: #ifdef GPROF
83: # ifdef __ELF__
84: # define _PROF_PROLOGUE \
85: .data; 1:; .long 0; .text; moval 1b,r0; jsb _ASM_LABEL(__mcount)
86: # else
87: # define _PROF_PROLOGUE \
88: .data; 1:; .long 0; .text; moval 1b,r0; jsb _ASM_LABEL(mcount)
89: # endif
90: #else
91: # define _PROF_PROLOGUE
92: #endif
93:
94: #define ENTRY(x, regs) _ENTRY(_C_LABEL(x), regs); _PROF_PROLOGUE
95: #define NENTRY(x, regs) _ENTRY(_C_LABEL(x), regs)
96: #define ASENTRY(x, regs) _ENTRY(_ASM_LABEL(x), regs); _PROF_PROLOGUE
97:
98: #define ALTENTRY(x) .globl _C_LABEL(x); _C_LABEL(x):
99: #define RCSID(x) .text; .asciz x
100:
101: #ifdef __ELF__
102: #define WEAK_ALIAS(alias,sym) \
103: .weak alias; \
104: alias = sym
105: #else
106: #ifdef __STDC__
107: #define WEAK_ALIAS(alias,sym) \
108: .weak _##alias; \
109: _##alias = _##sym
110: #else
111: #define WEAK_ALIAS(alias,sym) \
112: .weak _/**/alias; \
113: _/**/alias = _/**/sym
114: #endif
115: #endif
116:
117: #ifdef __STDC__
118: #define WARN_REFERENCES(sym,msg) \
119: .stabs msg ## ,30,0,0,0 ; \
120: .stabs __STRING(_C_LABEL(sym)) ## ,1,0,0,0
121: #else
122: #define WARN_REFERENCES(sym,msg) \
123: .stabs msg,30,0,0,0 ; \
124: .stabs __STRING(_C_LABEL(sym)),1,0,0,0
125: #endif /* __STDC__ */
126:
127: #endif /* _MACHINE_ASM_H_ */
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