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/*
* Copyright (c) 2014, STMicroelectronics International N.V.
* All rights reserved.
*
* 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 HOLDER 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.
*/
#ifndef TEEC_TRACE_H
#define TEEC_TRACE_H
#ifdef __cplusplus
extern "C" {
#endif
#include <string.h>
#include <stdio.h>
#include <stdint.h>
#ifndef BINARY_PREFIX
#error "BINARY_PREFIX not defined"
#endif
/*
* Trace levels.
*
* ERROR is used when some kind of error has happened, this is most likely the
* print you will use most of the time when you report some kind of error.
*
* INFO is used when you want to print some 'normal' text to the user.
* This is the default level.
*
* DEBUG is used to print extra information to enter deeply in the module.
*
* FLOW is used to print the execution flox, typically the in/out of functions.
*
* */
#define TRACE_ERROR 1
#define TRACE_INFO 2
#define TRACE_DEBUG 3
#define TRACE_FLOW 4
#if defined(DEBUGLEVEL_0) && !defined(DEBUGLEVEL)
#define DEBUGLEVEL TRACE_ERROR
#endif
#if defined(DEBUGLEVEL_1) && !defined(DEBUGLEVEL)
#define DEBUGLEVEL TRACE_ERROR
#endif
#if defined(DEBUGLEVEL_2) && !defined(DEBUGLEVEL)
#define DEBUGLEVEL TRACE_INFO
#endif
#if defined(DEBUGLEVEL_3) && !defined(DEBUGLEVEL)
#define DEBUGLEVEL TRACE_DEBUG
#endif
#if defined(DEBUGLEVEL_4) && !defined(DEBUGLEVEL)
#define DEBUGLEVEL TRACE_FLOW
#endif
#ifndef DEBUGLEVEL
/* Default debug level. */
#define DEBUGLEVEL TRACE_INFO
#endif
/*
* This define make sure that parameters are checked in the same manner as it
* is done in the normal printf function.
*/
#define __PRINTFLIKE(__fmt, __varargs) __attribute__\
((__format__(__printf__, __fmt, __varargs)))
void _dprintf(const char *function, int line, int level, const char *prefix,
const char *fmt, ...) __PRINTFLIKE(5, 6);
#define dprintf(level, x...) do { \
if ((level) <= DEBUGLEVEL) { \
_dprintf(__func__, __LINE__, level, \
BINARY_PREFIX, x); \
} \
} while (0)
#define EMSG(fmt, ...) dprintf(TRACE_ERROR, fmt "\n", ##__VA_ARGS__)
#define IMSG(fmt, ...) dprintf(TRACE_INFO, fmt "\n", ##__VA_ARGS__)
#define DMSG(fmt, ...) dprintf(TRACE_DEBUG, fmt "\n", ##__VA_ARGS__)
#define FMSG(fmt, ...) dprintf(TRACE_FLOW, fmt "\n", ##__VA_ARGS__)
#define INMSG(fmt, ...) FMSG("> " fmt, ##__VA_ARGS__)
#define OUTMSG(fmt, ...) FMSG("< " fmt, ##__VA_ARGS__)
#define OUTRMSG(r) \
do { \
if (r) \
EMSG("Function returns with [%d]", r); \
OUTMSG("r=[%d]", r); \
return r; \
} while (0)
#define dprintf_raw(level, x...) do { \
if ((level) <= DEBUGLEVEL) \
_dprintf(0, 0, (level), BINARY_PREFIX, x); \
} while (0)
#define EMSG_RAW(fmt, ...) dprintf_raw(TRACE_ERROR, fmt, ##__VA_ARGS__)
#define IMSG_RAW(fmt, ...) dprintf_raw(TRACE_INFO, fmt, ##__VA_ARGS__)
#define DMSG_RAW(fmt, ...) dprintf_raw(TRACE_DEBUG, fmt, ##__VA_ARGS__)
#define FMSG_RAW(fmt, ...) dprintf_raw(TRACE_FLOW, fmt, ##__VA_ARGS__)
/*
* This function will hex and ascii dump a buffer.
*
* Note that this function will only print if debug flag
* DEBUGLEVEL is INFO or FLOOD.
*
* @param bname Information string describing the buffer.
* @param buffer Pointer to the buffer.
* @param blen Length of the buffer.
*
* @return void
*/
void dump_buffer(const char *bname, const uint8_t *buffer, size_t blen);
#ifdef __cplusplus
}
#endif
#endif
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