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/* SPDX-License-Identifier: BSD-2-Clause */
/*
* COPYRIGHT (c) 2012-2014 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.
*/
/**
* @file
*
* @ingroup rtems_rtl
*
* @brief RTEMS Run-Time Linker ELF Trace Support.
*/
#if !defined (_RTEMS_RTL_TRACE_H_)
#define _RTEMS_RTL_TRACE_H_
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#include <stdbool.h>
#include <stdint.h>
#include <rtems/printer.h>
/**
* Set to 1 to build trace support in to the RTL code.
*/
#define RTEMS_RTL_TRACE 1
/**
* The type of the mask.
*/
typedef uint32_t rtems_rtl_trace_mask;
/**
* List of tracing bits for the various parts of the link editor.
*/
#define RTEMS_RTL_TRACE_DETAIL (1UL << 0)
#define RTEMS_RTL_TRACE_WARNING (1UL << 1)
#define RTEMS_RTL_TRACE_LOAD (1UL << 2)
#define RTEMS_RTL_TRACE_UNLOAD (1UL << 3)
#define RTEMS_RTL_TRACE_SECTION (1UL << 4)
#define RTEMS_RTL_TRACE_SYMBOL (1UL << 5)
#define RTEMS_RTL_TRACE_RELOC (1UL << 6)
#define RTEMS_RTL_TRACE_GLOBAL_SYM (1UL << 7)
#define RTEMS_RTL_TRACE_LOAD_SECT (1UL << 8)
#define RTEMS_RTL_TRACE_ALLOCATOR (1UL << 9)
#define RTEMS_RTL_TRACE_UNRESOLVED (1UL << 10)
#define RTEMS_RTL_TRACE_CACHE (1UL << 11)
#define RTEMS_RTL_TRACE_ARCHIVES (1UL << 12)
#define RTEMS_RTL_TRACE_ARCHIVE_SYMS (1UL << 13)
#define RTEMS_RTL_TRACE_DEPENDENCY (1UL << 14)
#define RTEMS_RTL_TRACE_BIT_ALLOC (1UL << 15)
#define RTEMS_RTL_TRACE_COMP (1UL << 16)
#define RTEMS_RTL_TRACE_ALL (0xffffffffUL & ~(RTEMS_RTL_TRACE_CACHE | \
RTEMS_RTL_TRACE_COMP | \
RTEMS_RTL_TRACE_GLOBAL_SYM | \
RTEMS_RTL_TRACE_ARCHIVE_SYMS))
/**
* Call to check if this part is bring traced. If RTEMS_RTL_TRACE is defined to
* 0 the code is dead code elminiated when built with -Os, -O2, or higher.
*
* @param mask The part of the API to trace.
* @retval true Tracing is active for the mask.
* @retval false Do not trace.
*/
#if RTEMS_RTL_TRACE
bool rtems_rtl_trace (rtems_rtl_trace_mask mask);
#else
#define rtems_rtl_trace(_m) (0)
#endif
/**
* Set the mask.
*
* @param mask The mask bits to set.
* @return The previous mask.
*/
#if RTEMS_RTL_TRACE
rtems_rtl_trace_mask rtems_rtl_trace_set_mask (rtems_rtl_trace_mask mask);
#else
#define rtems_rtl_trace_set_mask(_m)
#endif
/**
* Clear the mask.
*
* @param mask The mask bits to clear.
* @return The previous mask.
*/
#if RTEMS_RTL_TRACE
rtems_rtl_trace_mask rtems_rtl_trace_clear_mask (rtems_rtl_trace_mask mask);
#else
#define rtems_rtl_trace_clear_mask(_m)
#endif
/**
* Add shell trace shell command.
*/
#if RTEMS_RTL_TRACE
int rtems_rtl_trace_shell_command (const rtems_printer* printer,
int argc,
char* argv[]);
#endif
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif
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