drivers/wlan/third_party/broadcom/brcmfmac/tracepoint.c

/*
 * Copyright (c) 2012 Broadcom Corporation
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#include "tracepoint.h"

#include "linuxisms.h"

#ifndef __CHECKER__
#define CREATE_TRACE_POINTS
#include "debug.h"
#include <threads.h>

extern thrd_t gl_interrupt_thread, gl_main_thread, gl_worker_thread, gl_watchdog_thread,
       gl_bus_watchdog_thread, gl_workqueue_runner_thread;

void __brcmf_err(const char* func, const char* fmt, ...) {
    char msg[512]; // Same value hard-coded throughout devhost.c
    va_list args;

    va_start(args, fmt);
    int n_printed = vsnprintf(msg, 512, fmt, args);
    va_end(args);
    if (n_printed < 0) {
        snprintf(msg, 512, "(Formatting error from string '%s')", fmt);
    } else if (n_printed > 0 && msg[n_printed - 1] == '\n') {
        msg[--n_printed] = 0;
    }
    char namebuf[64];
    char* name;
    thrd_t thread = thrd_current();
    if (thread == gl_interrupt_thread) {
        name = "intr";
    } else if (thread == gl_worker_thread) {
        name = "work";
    } else if (thread == gl_watchdog_thread) {
        name = "wdog";
    } else if (thread == gl_workqueue_runner_thread) {
        name = "wrun";
    } else if (thread == gl_bus_watchdog_thread) {
        name = "bwdg";
    } else if (thread == gl_main_thread) {
        name = "main";
    } else {
        sprintf(namebuf, "%p", thread);
        name = namebuf;
    }

    zxlogf(INFO, "brcmfmac %s ERROR(%s): '%s'\n", name, func, msg);
}

#endif