#ifndef __ASM_TRACE_USER_H#define __ASM_TRACE_USER_H/*  This file (trace_user.h) was created by Ron Rechenmacher <ron@fnal.gov> on    June 1, 2000. "TERMS AND CONDITIONS" governing this file are in the README    or COPYING file. If you do not have such a file, one can be obtained by    contacting Ron or Fermi Lab in Batavia IL, 60510, phone: 630-840-3000.*/#define __TRACE_INTR_H_REV	"\$RCSfile: trace_intr.h,v $(ppc)\$Revision: 1.2 $\$Date: 2001/08/25 08:53:35 $"#define TRACE_VECTOR		99 /*  arbitrary - must match compare value				       in head.S  */#ifdef __KERNEL__ /* ------------------------------------------------------- */voidtrace_interrupt_init( void );#else /* of ifdef __KERNEL__ ----------------------------------------------- *//****************************************************************************** *  trace_function * *  It is OK that this is a function call as the "if" statement in the *  TRACE macro is the critical item. *  And since we can make it a function (where everything will be organized *  on the stack, all we have to do is pass a pointer to the start location *  on the stack. * *  Ref. glibc-2.1.3/sysdeps/unix/sysv/linux/powerpc/sysdep.h *    and receiving code in arch/ppc/kernel/head.S???? * *  Ref. also include/asm-ppc/unistd.h */static voidtrace_function(  struct timeval	*time	       ,  int		tid	       /*, int		lvl	       , char		*msg*/	       , ... ){	va_list         ap;	int             ii;	struct	{   int         lvl;	    char        *msg;	    int         params[traceControl_sp->numberOfParameter_integers];	}                       kk;    va_start( ap, tid );    kk.lvl = va_arg( ap, int );    kk.msg = va_arg( ap, char * );    for (ii=0; ii<traceControl_sp->numberOfParameter_integers; ii++)    {   kk.params[ii] = va_arg( ap, int );    }    va_end( ap );    {#       if 0	register long   __sc_0 __asm__("r0");	register long   __sc_4 __asm__("r4");	register long   __sc_5 __asm__("r5");	register long   __sc_6 __asm__("r6");	__sc_0 = (long)time;	__sc_4 = TRACE_VECTOR;	__sc_5 = (long)tid;	__sc_6 = (long)&kk;#       else	/*  The above can be optimized away! I looked at the asm code	    generated and placed it below (after searching the source for	    examples of asm using lwz and finding that I need to use the	    "m" operand constraint). */	__asm__ __volatile__("lwz 0,%0" : : "m" (time)         : "r0" );	__asm__ __volatile__("li  4,%0" : : "i" (TRACE_VECTOR) : "r4" );	__asm__ __volatile__("lwz 5,%0" : : "m" (tid)          : "r5" );	__asm__ __volatile__("mr  6,%0" : : "g" ((long)&kk)    : "r6" );#       endif#	define __syscall_clobbers \        "r4", "r5", "r6", "r7", "r8", "r9", "r10", "r11", "r12"	__asm__ __volatile__ ("trap           \n\t"			      : 			      :			      : __syscall_clobbers );    }    return;}   /* trace_function */#endif	/* of else of ifdef __KERNEL__ ------------------------------------- */#endif /* __ASM_TRACE_USER_H */