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/*
* HT Editor
* htdebug.cc
*
* Copyright (C) 1999-2002 Stefan Weyergraf
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program 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
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "htdebug.h"
#include <signal.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
// FIXME: auto-detect ?
#define CPU_CLOCK 500000000
void ht_assert_failed(const char *file, int line, const char *assertion)
{
fprintf(stderr, "in file %s, line %d: assertion failed: %s\n", file, line, assertion);
#ifndef WIN32
#if 1
fprintf(stderr, "sending SIGTRAP...");
raise(SIGTRAP);
#endif
#endif
exit(1);
}
void ht_error(const char *file, int line, const char *format,...)
{
va_list arg;
va_start(arg, format);
fprintf(stderr, "in file %s, line %d: error: ", file, line);
vfprintf(stderr, format, arg);
fputc('\n', stderr);
va_end(arg);
exit(1);
}
void ht_trace(char *file, int line, char *format,...)
{
FILE *ht_debug_file = stderr;
va_list arg;
va_start(arg, format);
fprintf(ht_debug_file, "TRACE: %s.%d: ", file, line);
vfprintf(ht_debug_file, format, arg);
fputc('\n', ht_debug_file);
va_end(arg);
}
void ht_warn(char *file, int line, char *format,...)
{
va_list arg;
va_start(arg, format);
fprintf(stderr, "in file %s, line %d: warning: ", file, line);
vfprintf(stderr, format, arg);
fputc('\n', stderr);
va_end(arg);
}
#ifdef DJGPP
#define MAX_TIMERS 20
timepoint timer_start[MAX_TIMERS];
timepoint timer_end[MAX_TIMERS];
int handle[MAX_TIMERS];
int handle_count=0;
timer_handle getfreetimerhandle()
{
timer_handle i;
for (i=0; i<handle_count; i++) {
if (!handle[i]) return i;
}
return -1;
}
timer_handle new_timer()
{
int h=getfreetimerhandle();
if (h==-1) {
if (handle_count<MAX_TIMERS) {
h=handle_count++;
} else return -1;
}
handle[h]=1;
timer_start[h] = to_qword(0);
timer_end[h] = to_qword(0);
return h;
}
void start_timer(timer_handle h)
{
if ((h<0) || (h>handle_count)) return;
uint32 s0, s1;
asm("rdtsc" : "=a" (s0), "=d" (s1));
timer_start[h].hi=s1;
timer_start[h].lo=s0;
}
void stop_timer(timer_handle h)
{
if ((h<0) || (h>handle_count)) return;
uint32 e0, e1;
asm("rdtsc" : "=a" (e0), "=d" (e1));
timer_end[h].hi=e1;
timer_end[h].lo=e0;
}
void delete_timer(timer_handle h)
{
if ((h<0) || (h>handle_count)) return;
handle[h]=0;
}
void get_timer_tick_internal(timer_handle h, timepoint *p)
{
if ((h<0) || (h>handle_count)) {
*p = to_qword(0);
return;
}
*p = timer_end[h] - timer_start[h];
}
uint32 get_timer_sec(timer_handle h)
{
if ((h<0) || (h>handle_count)) return 0;
timepoint t;
get_timer_tick_internal(h, &t);
t = t / to_qword(CPU_CLOCK);
if (t.hi) return 0xffffffff; else return t.lo;
}
uint32 get_timer_msec(timer_handle h)
{
if ((h<0) || (h>handle_count)) return 0;
timepoint t;
get_timer_tick_internal(h, &t);
t = t / to_qword(CPU_CLOCK/1000);
if (t.hi) return 0xffffffff; else return t.lo;
}
uint32 get_timer_tick(timer_handle h)
{
timepoint t;
get_timer_tick_internal(h, &t);
return t.lo;
}
#else
timer_handle new_timer()
{
return -1;
}
void start_timer(timer_handle handle)
{
}
void stop_timer(timer_handle handle)
{
}
void delete_timer(timer_handle handle)
{
}
uint32 get_timer_sec(timer_handle handle)
{
return 0;
}
uint32 get_timer_msec(timer_handle handle)
{
return 0;
}
uint32 get_timer_tick(timer_handle h)
{
return 0;
}
#endif
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