source: arch/logtrace/trace_dump.c @ 7

/*
 *  TOPPERS Software
 *      Toyohashi Open Platform for Embedded Real-Time Systems
 * 
 *  Copyright (C) 2007-2011 by Embedded and Real-Time Systems Laboratory
 *              Graduate School of Information Science, Nagoya Univ., JAPAN
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/*
 *              ¥È¥ì¡Œ¥¹¥í¥°€Î¥À¥ó¥×
 */

#include "kernel_impl.h"
#include "task.h"
#include <log_output.h>

/* 
 *  ¥«¡Œ¥Í¥ëŸðÊó€ÎŒèœÐ€·
 */
static intptr_t
get_tskid(intptr_t info)
{
        TCB             *p_tcb;
        ID              tskid;

        p_tcb = (TCB *) info;
        if (p_tcb == NULL) {
                tskid = 0;
        }
        else {
                tskid = TSKID(p_tcb);
        }
        return((intptr_t) tskid);
}

static intptr_t
get_tskstat(intptr_t info)
{
        uint_t          tstat;
        const char      *tstatstr;

        tstat = (uint_t) info;
        switch (tstat & (TS_RUNNABLE|TS_WAITING|TS_SUSPENDED)) {
        case TS_DORMANT:
                tstatstr = "DORMANT";
                break;
        case TS_RUNNABLE:
                tstatstr = "RUNNABLE";
                break;
        case TS_WAITING:
                tstatstr = "WAITING";
                break;
        case TS_SUSPENDED:
                tstatstr = "SUSPENDED";
                break;
        case TS_WAITING|TS_SUSPENDED:
                tstatstr = "WAITING-SUSPENDED";
                break;
        default:
                tstatstr = "unknown state";
                break;
        }
        return((intptr_t) tstatstr);
}

/* 
 *  ¥È¥ì¡Œ¥¹¥í¥°€ÎÉœŒš
 */
static void
trace_print(TRACE *p_trace, void (*putc)(char))
{
        intptr_t        traceinfo[TMAX_LOGINFO + 1];
        const char      *tracemsg;
        int_t           i;

        traceinfo[0] = (intptr_t)(p_trace->logtim);
        syslog_printf("[%d] ", traceinfo, putc);

        switch (p_trace->logtype) {
        case LOG_TYPE_TSKSTAT:
                traceinfo[0] = get_tskid(p_trace->loginfo[0]);
                traceinfo[1] = get_tskstat(p_trace->loginfo[1]);
                tracemsg = "task %d becomes %s.";
                break;
        case LOG_TYPE_DSP|LOG_LEAVE:
                traceinfo[0] = get_tskid(p_trace->loginfo[0]);
                tracemsg = "dispatch to task %d.";
                break;
        case LOG_TYPE_COMMENT:
                for (i = 1; i < TMAX_LOGINFO; i++) {
                        traceinfo[i-1] = p_trace->loginfo[i];
                }
                tracemsg = (const char *)(p_trace->loginfo[0]);
                break;
        case LOG_TYPE_ASSERT:
                traceinfo[0] = p_trace->loginfo[0];
                traceinfo[1] = p_trace->loginfo[1];
                traceinfo[2] = p_trace->loginfo[2];
                tracemsg = "%s:%u: Assertion `%s' failed.";
                break;
        default:
                traceinfo[0] = p_trace->logtype;
                tracemsg = "unknown trace log type: %d.";
                break;
        }
        syslog_printf(tracemsg, traceinfo, putc);
        (*putc)('\n');
}

/* 
 *  ¥È¥ì¡Œ¥¹¥í¥°€Î¥À¥ó¥×
 */
void
trace_dump(intptr_t exinf)
{
        TRACE   trace;
        void    (*putc)(char);

        putc = (void (*)(char)) exinf;
        while (trace_rea_log(&trace) >= 0) {
                trace_print(&trace, putc);
        }
}