ec275eb27f
is only appropriate to use in the special environment of start.S (real mode plus some conventions about not saving registers), and asm.h is supposed to be for generic macros. Removed some unnecessary parentheses.
145 lines
3.8 KiB
C
145 lines
3.8 KiB
C
/*
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* Mach Operating System
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* Copyright (c) 1991,1990,1989 Carnegie Mellon University
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* All Rights Reserved.
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*
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* Permission to use, copy, modify and distribute this software and its
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* documentation is hereby granted, provided that both the copyright
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* notice and this permission notice appear in all copies of the
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* software, derivative works or modified versions, and any portions
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* thereof, and that both notices appear in supporting documentation.
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*
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* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
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* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
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* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
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*
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* Carnegie Mellon requests users of this software to return to
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*
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* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
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* School of Computer Science
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* Carnegie Mellon University
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* Pittsburgh PA 15213-3890
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*
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* any improvements or extensions that they make and grant Carnegie Mellon
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* the rights to redistribute these changes.
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*
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* from: Mach, Revision 2.7 92/02/29 15:33:41 rpd
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* $Id: asm.h,v 1.5 1996/07/05 19:55:02 julian Exp $
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*/
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#define S_ARG0 4(%esp)
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#define S_ARG1 8(%esp)
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#define S_ARG2 12(%esp)
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#define S_ARG3 16(%esp)
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#define FRAME pushl %ebp; movl %esp, %ebp
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#define EMARF leave
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#define B_ARG0 8(%ebp)
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#define B_ARG1 12(%ebp)
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#define B_ARG2 16(%ebp)
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#define B_ARG3 20(%ebp)
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#ifdef wheeze
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#define ALIGN 4
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#define EXT(x) x
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#define LEXT(x) x:
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#define LCL(x) ./**/x
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#define LB(x,n) ./**/x
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#define LBb(x,n) ./**/x
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#define LBf(x,n) ./**/x
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#define SVC lcall $7,$0
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#define String .string
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#define Value .value
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#define Times(a,b) [a\*b]
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#define Divide(a,b) [a\\b]
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#define INB inb (%dx)
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#define OUTB outb (%dx)
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#define INL inl (%dx)
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#define OUTL outl (%dx)
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#else wheeze
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#define ALIGN
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#define LCL(x) x
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#define LB(x,n) n
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#ifdef __STDC__
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#define EXT(x) _ ## x
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#define LEXT(x) _ ## x ## :
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#define LBb(x,n) n ## b
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#define LBf(x,n) n ## f
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#else __STDC__
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#define EXT(x) _/**/x
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#define LEXT(x) _/**/x/**/:
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#define LBb(x,n) n/**/b
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#define LBf(x,n) n/**/f
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#endif __STDC__
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#define SVC .byte 0x9a; .long 0; .word 0x7
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#define String .ascii
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#define Value .word
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#define Times(a,b) (a*b)
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#define Divide(a,b) (a/b)
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#define INB inb %dx, %al
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#define OUTB outb %al, %dx
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#define INL inl %dx, %eax
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#define OUTL outl %eax, %dx
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#endif wheeze
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#define addr32 .byte 0x67
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#define data32 .byte 0x66
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#ifdef GPROF
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#ifdef __STDC__
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#define MCOUNT .data; LB(x, 9); .long 0; .text; lea LBb(x, 9),%edx; call mcount
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#define ENTRY(x) .globl EXT(x); .align ALIGN; LEXT(x) ; \
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pushl %ebp; movl %esp, %ebp; MCOUNT; popl %ebp;
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#define ENTRY2(x,y) .globl EXT(x); .globl EXT(y); \
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.align ALIGN; LEXT(x) LEXT(y) ; \
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pushl %ebp; movl %esp, %ebp; MCOUNT; popl %ebp;
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#define ASENTRY(x) .globl x; .align ALIGN; x ## : ; \
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pushl %ebp; movl %esp, %ebp; MCOUNT; popl %ebp;
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#else __STDC__
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#define MCOUNT .data; LB(x, 9): .long 0; .text; lea LBb(x, 9),%edx; call mcount
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#define ENTRY(x) .globl EXT(x); .align ALIGN; LEXT(x) ; \
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pushl %ebp; movl %esp, %ebp; MCOUNT; popl %ebp;
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#define ENTRY2(x,y) .globl EXT(x); .globl EXT(y); \
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.align ALIGN; LEXT(x) LEXT(y)
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#define ASENTRY(x) .globl x; .align ALIGN; x: ; \
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pushl %ebp; movl %esp, %ebp; MCOUNT; popl %ebp;
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#endif __STDC__
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#else GPROF
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#ifdef __STDC__
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#define MCOUNT
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#define ENTRY(x) .globl EXT(x); .align ALIGN; LEXT(x)
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#define ENTRY2(x,y) .globl EXT(x); .globl EXT(y); \
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.align ALIGN; LEXT(x) LEXT(y)
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#define ASENTRY(x) .globl x; .align ALIGN; x ## :
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#else __STDC__
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#define MCOUNT
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#define ENTRY(x) .globl EXT(x); .align ALIGN; LEXT(x)
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#define ENTRY2(x,y) .globl EXT(x); .globl EXT(y); \
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.align ALIGN; LEXT(x) LEXT(y)
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#define ASENTRY(x) .globl x; .align ALIGN; x:
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#endif __STDC__
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#endif GPROF
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#define Entry(x) .globl EXT(x); .align ALIGN; LEXT(x)
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#define DATA(x) .globl EXT(x); .align ALIGN; LEXT(x)
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