#ifndef __UREG_H #define __UREG_H #if !defined(_PLAN9_SOURCE) This header file is an extension to ANSI/POSIX #endif struct Ureg { unsigned long r0; /* unnecessary; just for symmetry */ union{ unsigned long sp; /* r1 */ unsigned long usp; /* r1 */ unsigned long r1; }; unsigned long r2; unsigned long r3; unsigned long r4; unsigned long r5; unsigned long r6; unsigned long r7; unsigned long r8; unsigned long r9; unsigned long r10; unsigned long r11; unsigned long r12; unsigned long r13; unsigned long r14; unsigned long r15; unsigned long r16; unsigned long r17; unsigned long r18; unsigned long r19; unsigned long r20; unsigned long r21; unsigned long r22; unsigned long r23; unsigned long r24; unsigned long r25; unsigned long r26; unsigned long r27; unsigned long r28; unsigned long r29; unsigned long r30; unsigned long r31; unsigned long y; unsigned long tbr; unsigned long psr; unsigned long npc; unsigned long pc; unsigned long pad; /* so structure is double word aligned */ }; #endif