asm.h revision 1.9 1 /* $NetBSD: asm.h,v 1.9 2007/12/02 15:55:09 skrll Exp $ */
2
3 /* $OpenBSD: asm.h,v 1.12 2001/03/29 02:15:57 mickey Exp $ */
4
5 /*
6 * Copyright (c) 1990,1991,1994 The University of Utah and
7 * the Computer Systems Laboratory (CSL). All rights reserved.
8 *
9 * Permission to use, copy, modify and distribute this software is hereby
10 * granted provided that (1) source code retains these copyright, permission,
11 * and disclaimer notices, and (2) redistributions including binaries
12 * reproduce the notices in supporting documentation, and (3) all advertising
13 * materials mentioning features or use of this software display the following
14 * acknowledgement: ``This product includes software developed by the
15 * Computer Systems Laboratory at the University of Utah.''
16 *
17 * THE UNIVERSITY OF UTAH AND CSL ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS
18 * IS" CONDITION. THE UNIVERSITY OF UTAH AND CSL DISCLAIM ANY LIABILITY OF
19 * ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
20 *
21 * CSL requests users of this software to return to csl-dist (at) cs.utah.edu any
22 * improvements that they make and grant CSL redistribution rights.
23 *
24 * Utah $Hdr: asm.h 1.8 94/12/14$
25 */
26
27 #ifndef _HPPA_ASM_H_
28 #define _HPPA_ASM_H_
29
30 #include <machine/frame.h>
31 /*
32 * hppa assembler definitions
33 */
34
35 #ifdef __STDC__
36 #define __CONCAT(a,b) a ## b
37 #else
38 #define __CONCAT(a,b) a/**/b
39 #endif
40
41 #define _C_LABEL(x) x
42
43 #define LEAF_ENTRY_NOPROFILE(x) !\
44 ! .text ! .align 4 !\
45 .export x, entry ! .label x ! .proc !\
46 .callinfo frame=0, no_calls, save_rp !\
47 .entry
48
49 #define ENTRY_NOPROFILE(x,n) !\
50 ! .text ! .align 4 !\
51 .export x, entry ! .label x ! .proc !\
52 .callinfo frame=n, calls, save_rp, save_sp !\
53 .entry
54
55 #ifdef GPROF
56
57 #define _PROF_PROLOGUE !\
58 1: !\
59 stw %rp, HPPA_FRAME_CRP(%sp) !\
60 stw %arg0, HPPA_FRAME_ARG(0)(%sp) !\
61 stw %arg1, HPPA_FRAME_ARG(1)(%sp) !\
62 stw %arg2, HPPA_FRAME_ARG(2)(%sp) !\
63 stw %arg3, HPPA_FRAME_ARG(3)(%sp) !\
64 ldo HPPA_FRAME_SIZE(%sp), %sp !\
65 copy %rp, %arg0 !\
66 bl 2f, %arg1 !\
67 depi 0, 31, 2, %arg1 !\
68 2: !\
69 bl _mcount, %rp !\
70 ldo 1b - 2b(%arg1), %arg1 !\
71 ldo -HPPA_FRAME_SIZE(%sp), %sp !\
72 ldw HPPA_FRAME_ARG(3)(%sp), %arg3 !\
73 ldw HPPA_FRAME_ARG(2)(%sp), %arg2 !\
74 ldw HPPA_FRAME_ARG(1)(%sp), %arg1 !\
75 ldw HPPA_FRAME_ARG(0)(%sp), %arg0 !\
76 ldw HPPA_FRAME_CRP(%sp), %rp !\
77
78 #define LEAF_ENTRY(x) !\
79 ENTRY_NOPROFILE(x,HPPA_FRAME_SIZE) !\
80 _PROF_PROLOGUE
81
82 #else /* GPROF */
83
84 #define _PROF_PROLOGUE
85
86 #define LEAF_ENTRY(x) !\
87 LEAF_ENTRY_NOPROFILE(x)
88
89 #endif /* GPROF */
90
91 #define ENTRY(x,n) !\
92 ENTRY_NOPROFILE(x,n) !\
93 _PROF_PROLOGUE
94
95 #define ALTENTRY(x) ! .export x, entry ! .label x
96 #define EXIT(x) ! .exit ! .procend ! .size x, .-x
97
98 #define RCSID(x) .text !\
99 .asciz x !\
100 .align 4
101
102 #define WEAK_ALIAS(alias,sym) \
103 .weak alias ! \
104 alias = sym
105
106 /*
107 * STRONG_ALIAS: create a strong alias.
108 */
109 #define STRONG_ALIAS(alias,sym) \
110 .globl alias ! \
111 alias = sym
112
113 #define CALL(func,tmp) !\
114 ldil L%func, tmp !\
115 ldo R%func(tmp), tmp !\
116 .call !\
117 blr %r0, %rp !\
118 bv,n %r0(tmp) !\
119 nop
120
121 #ifdef PIC
122 #define PIC_CALL(func) !\
123 addil LT%func, %r19 !\
124 ldw RT%func(%r1), %r1 !\
125 .call !\
126 blr %r0, %rp !\
127 bv,n %r0(%r1) !\
128 nop
129 #else
130 #define PIC_CALL(func) !\
131 CALL(func,%r1)
132 #endif
133
134 #ifdef __STDC__
135 #define WARN_REFERENCES(sym,msg) \
136 .stabs msg ## ,30,0,0,0 ; \
137 .stabs __STRING(sym) ## ,1,0,0,0
138 #else
139 #define WARN_REFERENCES(sym,msg) \
140 .stabs msg,30,0,0,0 ; \
141 .stabs __STRING(sym),1,0,0,0
142 #endif
143
144 #define BSS(n,s) ! .data ! .label n ! .comm s
145 #define SZREG 4
146
147 #endif /* _HPPA_ASM_H_ */
148