asm.h revision 1.8 1 /* $NetBSD: asm.h,v 1.8 2007/11/12 12:58:11 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 LEAF_ENTRY_NOPROFILE(x) !\
42 ! .text ! .align 4 !\
43 .export x, entry ! .label x ! .proc !\
44 .callinfo frame=0, no_calls, save_rp !\
45 .entry
46
47 #define ENTRY_NOPROFILE(x,n) !\
48 ! .text ! .align 4 !\
49 .export x, entry ! .label x ! .proc !\
50 .callinfo frame=n, calls, save_rp, save_sp !\
51 .entry
52
53 #ifdef GPROF
54
55 #define _PROF_PROLOGUE !\
56 1: !\
57 stw %rp, HPPA_FRAME_CRP(%sp) !\
58 stw %arg0, HPPA_FRAME_ARG(0)(%sp) !\
59 stw %arg1, HPPA_FRAME_ARG(1)(%sp) !\
60 stw %arg2, HPPA_FRAME_ARG(2)(%sp) !\
61 stw %arg3, HPPA_FRAME_ARG(3)(%sp) !\
62 ldo HPPA_FRAME_SIZE(%sp), %sp !\
63 copy %rp, %arg0 !\
64 bl 2f, %arg1 !\
65 depi 0, 31, 2, %arg1 !\
66 2: !\
67 bl _mcount, %rp !\
68 ldo 1b - 2b(%arg1), %arg1 !\
69 ldo -HPPA_FRAME_SIZE(%sp), %sp !\
70 ldw HPPA_FRAME_ARG(3)(%sp), %arg3 !\
71 ldw HPPA_FRAME_ARG(2)(%sp), %arg2 !\
72 ldw HPPA_FRAME_ARG(1)(%sp), %arg1 !\
73 ldw HPPA_FRAME_ARG(0)(%sp), %arg0 !\
74 ldw HPPA_FRAME_CRP(%sp), %rp !\
75
76 #define LEAF_ENTRY(x) !\
77 ENTRY_NOPROFILE(x,HPPA_FRAME_SIZE) !\
78 _PROF_PROLOGUE
79
80 #else /* GPROF */
81
82 #define _PROF_PROLOGUE
83
84 #define LEAF_ENTRY(x) !\
85 LEAF_ENTRY_NOPROFILE(x)
86
87 #endif /* GPROF */
88
89 #define ENTRY(x,n) !\
90 ENTRY_NOPROFILE(x,n) !\
91 _PROF_PROLOGUE
92
93 #define ALTENTRY(x) ! .export x, entry ! .label x
94 #define EXIT(x) ! .exit ! .procend ! .size x, .-x
95
96 #define RCSID(x) .text !\
97 .asciz x !\
98 .align 4
99
100 #define WEAK_ALIAS(alias,sym) \
101 .weak alias ! \
102 alias = sym
103
104 /*
105 * STRONG_ALIAS: create a strong alias.
106 */
107 #define STRONG_ALIAS(alias,sym) \
108 .globl alias ! \
109 alias = sym
110
111 #define CALL(func,tmp) !\
112 ldil L%func, tmp !\
113 ldo R%func(tmp), tmp !\
114 .call !\
115 blr %r0, %rp !\
116 bv,n %r0(tmp) !\
117 nop
118
119 #ifdef PIC
120 #define PIC_CALL(func) !\
121 addil LT%func, %r19 !\
122 ldw RT%func(%r1), %r1 !\
123 .call !\
124 blr %r0, %rp !\
125 bv,n %r0(%r1) !\
126 nop
127 #else
128 #define PIC_CALL(func) !\
129 CALL(func,%r1)
130 #endif
131
132 #ifdef __STDC__
133 #define WARN_REFERENCES(sym,msg) \
134 .stabs msg ## ,30,0,0,0 ; \
135 .stabs __STRING(sym) ## ,1,0,0,0
136 #else
137 #define WARN_REFERENCES(sym,msg) \
138 .stabs msg,30,0,0,0 ; \
139 .stabs __STRING(sym),1,0,0,0
140 #endif
141
142 #define BSS(n,s) ! .data ! .label n ! .comm s
143 #define SZREG 4
144
145 #endif /* _HPPA_ASM_H_ */
146