libmisc/capture/rtems-trace-buffer-default.c

0001 /* SPDX-License-Identifier: BSD-2-Clause */
0002
0003 /*
0004  *  Copyright (c) 2015 Chris Johns <chrisj@rtems.org>
0005  *
0006  * Redistribution and use in source and binary forms, with or without
0007  * modification, are permitted provided that the following conditions
0008  * are met:
0009  * 1. Redistributions of source code must retain the above copyright
0010  *    notice, this list of conditions and the following disclaimer.
0011  * 2. Redistributions in binary form must reproduce the above copyright
0012  *    notice, this list of conditions and the following disclaimer in the
0013  *    documentation and/or other materials provided with the distribution.
0014  *
0015  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
0016  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
0017  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
0018  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
0019  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
0020  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
0021  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
0022  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
0023  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
0024  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
0025  * POSSIBILITY OF SUCH DAMAGE.
0026  */
0027
0028 #include <rtems/trace/rtems-trace-buffer-vars.h>
0029
0030 /**
0031  * External Trace Linker and TBG data. We provide weak versions to allow us to
0032  * link and be present in an application that has not been trace linked.
0033  */
0034
0035 /*
0036  * Trace linker data.
0037  */
0038 uint32_t __rtld_trace_names_size __attribute__ ((weak));
0039 const char *const __rtld_trace_names[1] __attribute__ ((weak));
0040 uint32_t __rtld_trace_enables_size __attribute__ ((weak));
0041 const uint32_t __rtld_trace_enables[1] __attribute__ ((weak));
0042 uint32_t __rtld_trace_triggers_size __attribute__ ((weak));
0043 const uint32_t __rtld_trace_triggers[1] __attribute__ ((weak));
0044 const __rtld_trace_sig __rtld_trace_signatures[1] __attribute__ ((weak));
0045
0046 /*
0047  * Trace buffer generator data.
0048  */
0049 const bool __rtld_tbg_present __attribute__ ((weak));
0050 const uint32_t __rtld_tbg_mode __attribute__ ((weak));
0051 const uint32_t __rtld_tbg_buffer_size __attribute__ ((weak));
0052 uint32_t __rtld_tbg_buffer[1] __attribute__ ((weak));
0053 volatile uint32_t __rtld_tbg_buffer_in __attribute__ ((weak));
0054 volatile bool __rtld_tbg_finished __attribute__ ((weak));
0055 volatile bool __rtld_tbg_triggered __attribute__ ((weak));