| 1 | /*
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| 2 | * Copyright (c) 2005 Martin Decky
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| 3 | * All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without
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| 6 | * modification, are permitted provided that the following conditions
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| 7 | * are met:
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| 8 | *
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| 9 | * - Redistributions of source code must retain the above copyright
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| 10 | * notice, this list of conditions and the following disclaimer.
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| 11 | * - Redistributions in binary form must reproduce the above copyright
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| 12 | * notice, this list of conditions and the following disclaimer in the
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| 13 | * documentation and/or other materials provided with the distribution.
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| 14 | * - The name of the author may not be used to endorse or promote products
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| 15 | * derived from this software without specific prior written permission.
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| 16 | *
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 27 | */
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| 28 |
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| 29 | /** @addtogroup kernel_generic_debug
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| 30 | * @{
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| 31 | */
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| 32 | /** @file
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| 33 | */
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| 34 |
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| 35 | #ifndef KERN_DEBUG_H_
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| 36 | #define KERN_DEBUG_H_
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| 37 |
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| 38 | #include <log.h>
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| 39 | #include <printf/verify.h>
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| 40 | #include <symtab.h>
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| 41 |
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| 42 | #define CALLER ((uintptr_t) __builtin_return_address(0))
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| 43 |
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| 44 | /* An empty printf function to ensure syntactic correctness of disabled debug prints. */
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| 45 | static inline void dummy_printf(const char *fmt, ...) _HELENOS_PRINTF_ATTRIBUTE(1, 2);
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| 46 | static inline void dummy_printf(const char *fmt, ...)
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| 47 | {
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| 48 | }
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| 49 |
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| 50 | #ifdef CONFIG_LOG
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| 51 |
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| 52 | /** Extensive logging output macro
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| 53 | *
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| 54 | * If CONFIG_LOG is set, the LOG() macro
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| 55 | * will print whatever message is indicated plus
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| 56 | * an information about the location.
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| 57 | *
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| 58 | */
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| 59 | #define LOG(format, ...) \
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| 60 | do { \
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| 61 | log(LF_OTHER, LVL_DEBUG, \
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| 62 | "%s() from %s at %s:%u: " format, __func__, \
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| 63 | symtab_fmt_name_lookup(CALLER), __FILE__, __LINE__, \
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| 64 | ##__VA_ARGS__); \
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| 65 | } while (0)
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| 66 |
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| 67 | #else /* CONFIG_LOG */
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| 68 |
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| 69 | #define LOG(format, ...) dummy_printf(format, ##__VA_ARGS__)
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| 70 |
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| 71 | #endif /* CONFIG_LOG */
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| 72 |
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| 73 | #ifdef CONFIG_TRACE
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| 74 |
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| 75 | extern void __cyg_profile_func_enter(void *, void *);
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| 76 | extern void __cyg_profile_func_exit(void *, void *);
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| 77 |
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| 78 | #endif /* CONFIG_TRACE */
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| 79 |
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| 80 | #endif
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| 81 |
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| 82 | /** @}
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| 83 | */
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