37 lines
741 B
C
37 lines
741 B
C
#ifndef __UREG_H
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#define __UREG_H
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#if !defined(_PLAN9_SOURCE)
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This header file is an extension to ANSI/POSIX
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#endif
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struct Ureg
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{
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unsigned long r0;
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unsigned long r1;
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unsigned long r2;
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unsigned long r3;
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unsigned long r4;
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unsigned long r5;
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unsigned long r6;
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unsigned long r7;
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unsigned long a0;
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unsigned long a1;
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unsigned long a2;
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unsigned long a3;
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unsigned long a4;
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unsigned long a5;
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unsigned long a6;
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unsigned long sp;
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unsigned long usp;
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unsigned long magic; /* for db to find bottom of ureg */
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unsigned short sr;
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unsigned long pc;
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unsigned short vo;
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#ifndef UREGVARSZ
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#define UREGVARSZ 23 /* for 68040; 15 is enough on 68020 */
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#endif
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unsigned char microstate[UREGVARSZ]; /* variable-sized portion */
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};
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#endif
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