/* SPDX-License-Identifier: BSD-2-Clause */
/*
* Copyright (c) 2015 Chris Johns <chrisj@rtems.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <rtems/trace/rtems-trace-buffer-vars.h>
#include <rtems.h>
ISR_LOCK_DEFINE (static, __rtld_tbg_lock, "RTLD TBG")
uint32_t
rtems_trace_names_size (void)
{
return __rtld_trace_names_size;
}
const char*
rtems_trace_names (const uint32_t index)
{
return __rtld_trace_names[index];
}
uint32_t
rtems_trace_enables_size (void)
{
return __rtld_trace_enables_size;
}
uint32_t
rtems_trace_enables (const uint32_t index)
{
return __rtld_trace_enables[index];
}
uint32_t
rtems_trace_triggers_size (void)
{
return __rtld_trace_triggers_size;
}
uint32_t
rtems_trace_triggers (const uint32_t index)
{
return __rtld_trace_triggers[index];
}
const rtems_trace_sig*
rtems_trace_signatures (const uint32_t index)
{
return &__rtld_trace_signatures[index];
}
bool
rtems_trace_enable_set(const uint32_t index)
{
return (__rtld_trace_enables[index / 32] & (1 << (index & (32 - 1)))) != 0 ? true : false;
}
bool
rtems_trace_trigger_set(const uint32_t index)
{
return (__rtld_trace_triggers[index / 32] & (1 << (index & (32 - 1)))) != 0 ? true : false;
}
bool
rtems_trace_buffering_present (void)
{
return __rtld_tbg_present;
}
uint32_t
rtems_trace_buffering_mode (void)
{
return __rtld_tbg_mode;
}
uint32_t
rtems_trace_buffering_buffer_size (void)
{
return __rtld_tbg_buffer_size;
}
uint32_t*
rtems_trace_buffering_buffer (void)
{
return &__rtld_tbg_buffer[0];
}
uint32_t
rtems_trace_buffering_buffer_in (void)
{
rtems_interrupt_lock_context lcontext;
uint32_t in;
rtems_interrupt_lock_acquire(&__rtld_tbg_lock, &lcontext);
in = __rtld_tbg_buffer_in;
rtems_interrupt_lock_release(&__rtld_tbg_lock, &lcontext);
return in;
}
bool
rtems_trace_buffering_finished (void)
{
rtems_interrupt_lock_context lcontext;
bool finished;
rtems_interrupt_lock_acquire(&__rtld_tbg_lock, &lcontext);
finished = __rtld_tbg_finished;
rtems_interrupt_lock_release(&__rtld_tbg_lock, &lcontext);
return finished;
}
bool
rtems_trace_buffering_triggered (void)
{
rtems_interrupt_lock_context lcontext;
bool triggered;
rtems_interrupt_lock_acquire(&__rtld_tbg_lock, &lcontext);
triggered = __rtld_tbg_triggered;
rtems_interrupt_lock_release(&__rtld_tbg_lock, &lcontext);
return triggered;
}
void
rtems_trace_buffering_start (void)
{
rtems_interrupt_lock_context lcontext;
rtems_interrupt_lock_acquire(&__rtld_tbg_lock, &lcontext);
__rtld_tbg_triggered = false;
__rtld_tbg_buffer_in = 0;
__rtld_tbg_finished = false;
rtems_interrupt_lock_release(&__rtld_tbg_lock, &lcontext);
}
void
rtems_trace_buffering_stop (void)
{
rtems_interrupt_lock_context lcontext;
rtems_interrupt_lock_acquire(&__rtld_tbg_lock, &lcontext);
__rtld_tbg_finished = true;
rtems_interrupt_lock_release(&__rtld_tbg_lock, &lcontext);
}
void
rtems_trace_buffering_resume (void)
{
rtems_interrupt_lock_context lcontext;
rtems_interrupt_lock_acquire(&__rtld_tbg_lock, &lcontext);
__rtld_tbg_finished = false;
rtems_interrupt_lock_release(&__rtld_tbg_lock, &lcontext);
}