xref: /netbsd/sys/arch/hppa/include/asm.h (revision 6550d01e)
1 /*	$NetBSD: asm.h,v 1.12 2010/12/20 21:11:24 joerg 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@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 _ASM_LS_CHAR	!
44 
45 #define	LEAF_ENTRY_NOPROFILE(x)				!\
46 	 ! .text ! .align 4				!\
47 	.export	x, entry ! .label x ! .proc		!\
48 	.callinfo frame=0, no_calls, save_rp		!\
49 	.entry
50 
51 #define	ENTRY_NOPROFILE(x,n)				!\
52 	 ! .text ! .align 4				!\
53 	.export x, entry ! .label x ! .proc		!\
54 	.callinfo frame=n, calls, save_rp, save_sp	!\
55 	.entry
56 
57 #ifdef GPROF
58 
59 #define	_PROF_PROLOGUE				!\
60 1:						!\
61 	stw	%rp, HPPA_FRAME_CRP(%sp)	!\
62 	stw	%arg0, HPPA_FRAME_ARG(0)(%sp)	!\
63 	stw	%arg1, HPPA_FRAME_ARG(1)(%sp)	!\
64 	stw	%arg2, HPPA_FRAME_ARG(2)(%sp)	!\
65 	stw	%arg3, HPPA_FRAME_ARG(3)(%sp)	!\
66 	ldo	HPPA_FRAME_SIZE(%sp), %sp	!\
67 	copy	%rp, %arg0			!\
68 	bl	2f, %arg1			!\
69 	depi	0, 31, 2, %arg1			!\
70 2:						!\
71 	bl	_mcount, %rp			!\
72 	 ldo	1b - 2b(%arg1), %arg1		!\
73 	ldo	-HPPA_FRAME_SIZE(%sp), %sp	!\
74 	ldw	HPPA_FRAME_ARG(3)(%sp), %arg3	!\
75 	ldw	HPPA_FRAME_ARG(2)(%sp), %arg2	!\
76 	ldw	HPPA_FRAME_ARG(1)(%sp), %arg1	!\
77 	ldw	HPPA_FRAME_ARG(0)(%sp), %arg0	!\
78 	ldw	HPPA_FRAME_CRP(%sp), %rp	!\
79 
80 #define LEAF_ENTRY(x) 				!\
81 	ENTRY_NOPROFILE(x,HPPA_FRAME_SIZE)	!\
82 	_PROF_PROLOGUE
83 
84 #else /* GPROF */
85 
86 #define _PROF_PROLOGUE
87 
88 #define LEAF_ENTRY(x) 				!\
89 	LEAF_ENTRY_NOPROFILE(x)
90 
91 #endif /* GPROF */
92 
93 #define ENTRY(x,n) 				!\
94 	ENTRY_NOPROFILE(x,n)			!\
95 	_PROF_PROLOGUE
96 
97 #define ALTENTRY(x) ! .export x, entry ! .label x
98 #define EXIT(x) ! .exit ! .procend ! .size x, .-x
99 
100 #define RCSID(x)	.text				!\
101 			.asciz x			!\
102 			.align	4
103 
104 #define WEAK_ALIAS(alias,sym)				\
105 	.weak alias !					\
106 	alias = sym
107 
108 /*
109  * STRONG_ALIAS: create a strong alias.
110  */
111 #define STRONG_ALIAS(alias,sym)				\
112 	.globl alias !					\
113 	alias = sym
114 
115 #define CALL(func,tmp)					!\
116 	ldil	L%func, tmp				!\
117 	ldo	R%func(tmp), tmp			!\
118 	.call						!\
119 	blr	%r0, %rp				!\
120 	bv,n	%r0(tmp)				!\
121 	nop
122 
123 #ifdef PIC
124 #define PIC_CALL(func)					!\
125 	addil	LT%func, %r19				!\
126 	ldw	RT%func(%r1), %r1			!\
127 	.call						!\
128 	blr	%r0, %rp				!\
129 	bv,n	%r0(%r1)				!\
130 	nop
131 #else
132 #define PIC_CALL(func)					!\
133 	CALL(func,%r1)
134 #endif
135 
136 #ifdef __STDC__
137 #define	WARN_REFERENCES(sym,msg)					\
138 	.pushsection .gnu.warning. ## sym;				\
139 	.ascii msg;							\
140 	.popsection
141 #else
142 #define	WARN_REFERENCES(sym,msg)					\
143 	.pushsection .gnu.warning./**/sym;				\
144 	.ascii msg;							\
145 	.popsection
146 #endif /* __STDC__ */
147 
148 #define	BSS(n,s)	.comm n, s
149 #define	SZREG	4
150 
151 #endif /* _HPPA_ASM_H_ */
152