oskit/oskit-20020317/startup/start_gprof.c

72 lines
1.8 KiB
C
Executable File

/*
* Copyright (c) 1996-2000 University of Utah and the Flux Group.
* All rights reserved.
*
* This file is part of the Flux OSKit. The OSKit is free software, also known
* as "open source;" you can redistribute it and/or modify it under the terms
* of the GNU General Public License (GPL), version 2, as published by the Free
* Software Foundation (FSF). To explore alternate licensing terms, contact
* the University of Utah at csl-dist@cs.utah.edu or +1-801-585-3271.
*
* The OSKit is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GPL for more details. You should have
* received a copy of the GPL along with the OSKit; see the file COPYING. If
* not, write to the FSF, 59 Temple Place #330, Boston, MA 02111-1307, USA.
*/
#include <stdlib.h>
#include <stdio.h>
#include <oskit/startup.h>
#ifdef GPROF
/*
* These are defined in the C libraries.
*/
void _mcleanup();
void monstartup(unsigned long lowpc, unsigned long highpc);
void moncontrol(int mode);
/*
* This is the hook into gprof executable's main.
* Defined in the gprof library.
*/
void gprof_atexit();
/*
* Special symbols.
*/
extern unsigned long _start;
extern unsigned long end;
extern unsigned long etext;
void
start_gprof(void)
{
extern int enable_gprof; /* XXX Kern library */
if (! enable_gprof) {
printf("start_gprof: GPROF is not enabled in kern library!");
return;
}
startup_atexit(gprof_atexit, NULL);
startup_atexit(_mcleanup, NULL);
monstartup((unsigned long)&_start, (unsigned long)&etext);
}
void
pause_gprof(int onoff)
{
moncontrol(onoff);
}
/*
* Override this to prevent it from happening out of multiboot_main.
*/
void
base_gprof_init()
{
}
#endif