[unix-history] / .ref-386BSD-0.1-patchkit / usr / src / sys.386bsd / i386 / boot / asm.h

/* 
 * Ported to Boot 386BSD by Julian Elsicher (julian@tfs.com) Sept. 1992
 *
 * Mach Operating System
 * Copyright (c) 1991,1990,1989 Carnegie Mellon University
 * All Rights Reserved.
 * 
 * Permission to use, copy, modify and distribute this software and its
 * documentation is hereby granted, provided that both the copyright
 * notice and this permission notice appear in all copies of the
 * software, derivative works or modified versions, and any portions
 * thereof, and that both notices appear in supporting documentation.
 * 
 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
 * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
 * 
 * Carnegie Mellon requests users of this software to return to
 * 
 *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
 *  School of Computer Science
 *  Carnegie Mellon University
 *  Pittsburgh PA 15213-3890
 * 
 * any improvements or extensions that they make and grant Carnegie Mellon
 * the rights to redistribute these changes.
 */
/* 
 * HISTORY
 * $Log:	asm.h,v $
 * Revision 2.7  92/02/29  15:33:41  rpd
 * 	Added ENTRY2.
 * 	[92/02/28            rpd]
 * 
 * Revision 2.6  92/02/19  15:07:52  elf
 * 	Changed #if __STDC__ to #ifdef __STDC__
 * 	[92/01/16            jvh]
 * 
 * Revision 2.5  91/05/14  16:02:45  mrt
 * 	Correcting copyright
 * 
 * Revision 2.4  91/02/05  17:10:42  mrt
 * 	Changed to new Mach copyright
 * 	[91/02/01  17:30:29  mrt]
 * 
 * Revision 2.3  90/12/20  16:35:27  jeffreyh
 * 	changes for __STDC__
 * 	[90/12/06            jeffreyh]
 * 
 * Revision 2.2  90/05/03  15:24:12  dbg
 * 	First checkin.
 * 
 *
 * 	Typo on ENTRY if gprof
 * 	[90/03/29            rvb]
 * 
 * 	fix SVC for "ifdef wheeze" [kupfer]
 * 	Fix the GPROF definitions.
 * 	ENTRY(x) gets profiled iffdef GPROF.
 * 	Entry(x) (and DATA(x)) is NEVER profiled.
 * 	MCOUNT can be used by asm that intends to build a frame,
 * 	after the frame is built.
 *	[90/02/26            rvb]
 *
 * 	Add #define addr16 .byte 0x67
 * 	[90/02/09            rvb]
 * 	Added LBi, SVC and ENTRY
 * 	[89/11/10  09:51:33  rvb]
 * 
 * 	New a.out and coff compatible .s files.
 * 	[89/10/16            rvb]
 */


#define S_ARG0	 4(%esp)
#define S_ARG1	 8(%esp)
#define S_ARG2	12(%esp)
#define S_ARG3	16(%esp)

#define FRAME	pushl %ebp; movl %esp, %ebp
#define EMARF	leave

#define B_ARG0	 8(%ebp)
#define B_ARG1	12(%ebp)
#define B_ARG2	16(%ebp)
#define B_ARG3	20(%ebp)

#ifdef	wheeze

#define ALIGN 4
#define EXT(x) x
#define LEXT(x) x:
#define LCL(x) ./**/x

#define LB(x,n) ./**/x
#define LBb(x,n) ./**/x
#define LBf(x,n) ./**/x

#define	SVC lcall $7,$0

#define String .string
#define Value  .value
#define Times(a,b) [a\*b]
#define Divide(a,b) [a\\b]

#define INB	inb	(%dx)
#define OUTB	outb	(%dx)
#define INL	inl	(%dx)
#define OUTL	outl	(%dx)

#else	wheeze
#define ALIGN 
#define	LCL(x)	x

#define LB(x,n) n
#ifdef	__STDC__
#define EXT(x) _ ## x
#define LEXT(x) _ ## x ## :

#define LBb(x,n) n ## b
#define LBf(x,n) n ## f
#else __STDC__
#define EXT(x) _/**/x
#define LEXT(x) _/**/x/**/:
#define LBb(x,n) n/**/b
#define LBf(x,n) n/**/f
#endif __STDC__
#define SVC .byte 0x9a; .long 0; .word 0x7

#define String	.ascii
#define Value	.word
#define Times(a,b) (a*b)
#define Divide(a,b) (a/b)

#define INB	inb	%dx, %al
#define OUTB	outb	%al, %dx
#define INL	inl	%dx, %eax
#define OUTL	outl	%eax, %dx

#endif	wheeze

#define data32	.byte 0x66
#define data16	.byte 0x66
#define addr16	.byte 0x67


#ifdef GPROF
#ifdef	__STDC__

#define MCOUNT		.data; LB(x, 9); .long 0; .text; lea LBb(x, 9),%edx; call mcount
#define	ENTRY(x)	.globl EXT(x); .align ALIGN; LEXT(x) ; \
			pushl %ebp; movl %esp, %ebp; MCOUNT; popl %ebp;
#define	ENTRY2(x,y)	.globl EXT(x); .globl EXT(y); \
			.align ALIGN; LEXT(x) LEXT(y) ; \
			pushl %ebp; movl %esp, %ebp; MCOUNT; popl %ebp;
#define	ASENTRY(x) 	.globl x; .align ALIGN; x ## : ; \
  			pushl %ebp; movl %esp, %ebp; MCOUNT; popl %ebp;

#else   __STDC__

#define MCOUNT		.data; LB(x, 9): .long 0; .text; lea LBb(x, 9),%edx; call mcount
#define	ENTRY(x)	.globl EXT(x); .align ALIGN; LEXT(x) ; \
			pushl %ebp; movl %esp, %ebp; MCOUNT; popl %ebp;
#define	ENTRY2(x,y)	.globl EXT(x); .globl EXT(y); \
			.align ALIGN; LEXT(x) LEXT(y)
#define	ASENTRY(x) 	.globl x; .align ALIGN; x: ; \
  			pushl %ebp; movl %esp, %ebp; MCOUNT; popl %ebp;

#endif	__STDC__
#else	GPROF
#ifdef	__STDC__

#define MCOUNT
#define	ENTRY(x)	.globl EXT(x); .align ALIGN; LEXT(x)
#define	ENTRY2(x,y)	.globl EXT(x); .globl EXT(y); \
			.align ALIGN; LEXT(x) LEXT(y)
#define	ASENTRY(x)	.globl x; .align ALIGN; x ## :

#else 	__STDC__

#define MCOUNT
#define	ENTRY(x)	.globl EXT(x); .align ALIGN; LEXT(x)
#define	ENTRY2(x,y)	.globl EXT(x); .globl EXT(y); \
			.align ALIGN; LEXT(x) LEXT(y)
#define	ASENTRY(x)	.globl x; .align ALIGN; x:

#endif	__STDC__
#endif	GPROF

#define	Entry(x)	.globl EXT(x); .align ALIGN; LEXT(x)
#define	DATA(x)		.globl EXT(x); .align ALIGN; LEXT(x)
Commit	Line	Data
b3a00a53 JE	1	/*
	2	* Ported to Boot 386BSD by Julian Elsicher (julian@tfs.com) Sept. 1992
	3	*
	4	* Mach Operating System
	5	* Copyright (c) 1991,1990,1989 Carnegie Mellon University
	6	* All Rights Reserved.
	7	*
	8	* Permission to use, copy, modify and distribute this software and its
	9	* documentation is hereby granted, provided that both the copyright
	10	* notice and this permission notice appear in all copies of the
	11	* software, derivative works or modified versions, and any portions
	12	* thereof, and that both notices appear in supporting documentation.
	13	*
	14	* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
	15	* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
	16	* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
	17	*
	18	* Carnegie Mellon requests users of this software to return to
	19	*
	20	* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
	21	* School of Computer Science
	22	* Carnegie Mellon University
	23	* Pittsburgh PA 15213-3890
	24	*
	25	* any improvements or extensions that they make and grant Carnegie Mellon
	26	* the rights to redistribute these changes.
	27	*/
	28	/*
	29	* HISTORY
	30	* $Log: asm.h,v $
	31	* Revision 2.7 92/02/29 15:33:41 rpd
	32	* Added ENTRY2.
	33	* [92/02/28 rpd]
	34	*
	35	* Revision 2.6 92/02/19 15:07:52 elf
	36	* Changed #if __STDC__ to #ifdef __STDC__
	37	* [92/01/16 jvh]
	38	*
	39	* Revision 2.5 91/05/14 16:02:45 mrt
	40	* Correcting copyright
	41	*
	42	* Revision 2.4 91/02/05 17:10:42 mrt
	43	* Changed to new Mach copyright
	44	* [91/02/01 17:30:29 mrt]
	45	*
	46	* Revision 2.3 90/12/20 16:35:27 jeffreyh
	47	* changes for __STDC__
	48	* [90/12/06 jeffreyh]
	49	*
	50	* Revision 2.2 90/05/03 15:24:12 dbg
	51	* First checkin.
	52	*
	53	*
	54	* Typo on ENTRY if gprof
	55	* [90/03/29 rvb]
	56	*
	57	* fix SVC for "ifdef wheeze" [kupfer]
	58	* Fix the GPROF definitions.
	59	* ENTRY(x) gets profiled iffdef GPROF.
	60	* Entry(x) (and DATA(x)) is NEVER profiled.
	61	* MCOUNT can be used by asm that intends to build a frame,
	62	* after the frame is built.
	63	* [90/02/26 rvb]
	64	*
65	* Add #define addr16 .byte 0x67
66	* [90/02/09 rvb]
67	* Added LBi, SVC and ENTRY
68	* [89/11/10 09:51:33 rvb]
69	*
70	* New a.out and coff compatible .s files.
71	* [89/10/16 rvb]
72	*/
73
74
75	#define S_ARG0 4(%esp)
76	#define S_ARG1 8(%esp)
77	#define S_ARG2 12(%esp)
78	#define S_ARG3 16(%esp)
79
80	#define FRAME pushl %ebp; movl %esp, %ebp
81	#define EMARF leave
82
83	#define B_ARG0 8(%ebp)
84	#define B_ARG1 12(%ebp)
85	#define B_ARG2 16(%ebp)
86	#define B_ARG3 20(%ebp)
87
88	#ifdef wheeze
89
90	#define ALIGN 4
91	#define EXT(x) x
92	#define LEXT(x) x:
93	#define LCL(x) ./**/x
94
95	#define LB(x,n) ./**/x
96	#define LBb(x,n) ./**/x
97	#define LBf(x,n) ./**/x
98
99	#define SVC lcall $7,$0
100
101	#define String .string
102	#define Value .value
103	#define Times(a,b) [a\*b]
104	#define Divide(a,b) [a\\b]
105
106	#define INB inb (%dx)
107	#define OUTB outb (%dx)
108	#define INL inl (%dx)
109	#define OUTL outl (%dx)
110
111	#else wheeze
112	#define ALIGN
113	#define LCL(x) x
114
115	#define LB(x,n) n
116	#ifdef __STDC__
117	#define EXT(x) _ ## x
118	#define LEXT(x) _ ## x ## :
119
120	#define LBb(x,n) n ## b
121	#define LBf(x,n) n ## f
122	#else __STDC__
123	#define EXT(x) _/**/x
124	#define LEXT(x) _//x//:
125	#define LBb(x,n) n/**/b
126	#define LBf(x,n) n/**/f
127	#endif __STDC__
128	#define SVC .byte 0x9a; .long 0; .word 0x7
129
130	#define String .ascii
131	#define Value .word
132	#define Times(a,b) (a*b)
133	#define Divide(a,b) (a/b)
134
135	#define INB inb %dx, %al
136	#define OUTB outb %al, %dx
137	#define INL inl %dx, %eax
138	#define OUTL outl %eax, %dx
139
140	#endif wheeze
141
142	#define data32 .byte 0x66
143	#define data16 .byte 0x66
144	#define addr16 .byte 0x67
145
146
147
148	#ifdef GPROF
149	#ifdef __STDC__
150
151	#define MCOUNT .data; LB(x, 9); .long 0; .text; lea LBb(x, 9),%edx; call mcount
152	#define ENTRY(x) .globl EXT(x); .align ALIGN; LEXT(x) ; \
153	pushl %ebp; movl %esp, %ebp; MCOUNT; popl %ebp;
154	#define ENTRY2(x,y) .globl EXT(x); .globl EXT(y); \
155	.align ALIGN; LEXT(x) LEXT(y) ; \
156	pushl %ebp; movl %esp, %ebp; MCOUNT; popl %ebp;
157	#define ASENTRY(x) .globl x; .align ALIGN; x ## : ; \
158	pushl %ebp; movl %esp, %ebp; MCOUNT; popl %ebp;
159
160	#else __STDC__
161
162	#define MCOUNT .data; LB(x, 9): .long 0; .text; lea LBb(x, 9),%edx; call mcount
163	#define ENTRY(x) .globl EXT(x); .align ALIGN; LEXT(x) ; \
164	pushl %ebp; movl %esp, %ebp; MCOUNT; popl %ebp;
165	#define ENTRY2(x,y) .globl EXT(x); .globl EXT(y); \
166	.align ALIGN; LEXT(x) LEXT(y)
167	#define ASENTRY(x) .globl x; .align ALIGN; x: ; \
168	pushl %ebp; movl %esp, %ebp; MCOUNT; popl %ebp;
169
170	#endif __STDC__
171	#else GPROF
172	#ifdef __STDC__
173
174	#define MCOUNT
175	#define ENTRY(x) .globl EXT(x); .align ALIGN; LEXT(x)
176	#define ENTRY2(x,y) .globl EXT(x); .globl EXT(y); \
177	.align ALIGN; LEXT(x) LEXT(y)
178	#define ASENTRY(x) .globl x; .align ALIGN; x ## :
179
180	#else __STDC__
181
182	#define MCOUNT
183	#define ENTRY(x) .globl EXT(x); .align ALIGN; LEXT(x)
184	#define ENTRY2(x,y) .globl EXT(x); .globl EXT(y); \
185	.align ALIGN; LEXT(x) LEXT(y)
186	#define ASENTRY(x) .globl x; .align ALIGN; x:
187
188	#endif __STDC__
189	#endif GPROF
190
191	#define Entry(x) .globl EXT(x); .align ALIGN; LEXT(x)
192	#define DATA(x) .globl EXT(x); .align ALIGN; LEXT(x)