1 | /* |
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2 | * Copyright (c) 2013-2014 embedded brains GmbH. All rights reserved. |
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3 | * |
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4 | * embedded brains GmbH |
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5 | * Dornierstr. 4 |
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6 | * 82178 Puchheim |
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7 | * Germany |
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8 | * <rtems@embedded-brains.de> |
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9 | * |
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10 | * The license and distribution terms for this file may be |
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11 | * found in the file LICENSE in this distribution or at |
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12 | * http://www.rtems.org/license/LICENSE. |
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13 | */ |
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14 | |
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15 | #ifndef _RTEMS_SCORE_ASSERT_H |
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16 | #define _RTEMS_SCORE_ASSERT_H |
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17 | |
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18 | #include <rtems/score/basedefs.h> |
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19 | |
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20 | #if defined( RTEMS_DEBUG ) |
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21 | #include <assert.h> |
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22 | #endif |
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23 | |
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24 | #ifdef __cplusplus |
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25 | extern "C" { |
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26 | #endif /* __cplusplus */ |
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27 | |
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28 | /** |
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29 | * @brief Assertion similar to assert() controlled via RTEMS_DEBUG instead of |
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30 | * NDEBUG. |
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31 | */ |
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32 | #if defined( RTEMS_DEBUG ) |
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33 | |
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34 | /** |
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35 | * @brief Macro with method name used in assert output |
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36 | * |
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37 | * Given the variations in compilers and standards, we have to poke a bit. |
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38 | * |
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39 | * @note This is based on the code in newlib's assert.h. |
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40 | */ |
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41 | #ifndef __RTEMS_ASSERT_FUNCTION |
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42 | /* Use g++'s demangled names in C++. */ |
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43 | #if defined __cplusplus && defined __GNUC__ |
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44 | #define __RTEMS_ASSERT_FUNCTION __PRETTY_FUNCTION__ |
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45 | |
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46 | /* C99 requires the use of __func__. */ |
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47 | #elif __STDC_VERSION__ >= 199901L |
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48 | #define __RTEMS_ASSERT_FUNCTION __func__ |
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49 | |
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50 | /* Older versions of gcc don't have __func__ but can use __FUNCTION__. */ |
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51 | #elif __GNUC__ >= 2 |
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52 | #define __RTEMS_ASSERT_FUNCTION __FUNCTION__ |
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53 | |
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54 | /* failed to detect __func__ support. */ |
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55 | #else |
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56 | #define __RTEMS_ASSERT_FUNCTION ((char *) 0) |
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57 | #endif |
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58 | #endif /* !__RTEMS_ASSERT_FUNCTION */ |
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59 | |
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60 | #if !defined( RTEMS_SCHEDSIM ) |
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61 | /* normal build is newlib. */ |
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62 | |
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63 | void __assert_func(const char *, int, const char *, const char *) |
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64 | RTEMS_NO_RETURN; |
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65 | |
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66 | #define _Assert( _e ) \ |
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67 | ( ( _e ) ? \ |
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68 | ( void ) 0 : \ |
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69 | __assert_func( __FILE__, __LINE__, __RTEMS_ASSERT_FUNCTION, #_e ) ) |
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70 | |
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71 | #elif defined(__linux__) |
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72 | /* Scheduler simulator has only beed tested on glibc. */ |
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73 | #define _Assert( _e ) \ |
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74 | ( ( _e ) ? \ |
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75 | ( void ) 0 : \ |
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76 | __assert_fail( #_e, __FILE__, __LINE__, __RTEMS_ASSERT_FUNCTION ) ) |
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77 | #else |
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78 | #error "Implement RTEMS assert support for this C Library" |
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79 | #endif |
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80 | |
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81 | #else |
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82 | #define _Assert( _e ) ( ( void ) 0 ) |
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83 | #endif |
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84 | |
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85 | /** |
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86 | * @brief Like _Assert(), but only armed if RTEMS_SMP is defined. |
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87 | */ |
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88 | #if defined( RTEMS_SMP ) |
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89 | #define _SMP_Assert( _e ) _Assert( _e ) |
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90 | #else |
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91 | #define _SMP_Assert( _e ) ( ( void ) 0 ) |
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92 | #endif |
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93 | |
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94 | /** |
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95 | * @brief Returns true if thread dispatching is allowed. |
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96 | * |
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97 | * Thread dispatching can be repressed via _Thread_Disable_dispatch() or |
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98 | * _ISR_Local_disable(). |
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99 | */ |
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100 | #if defined( RTEMS_DEBUG ) |
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101 | bool _Debug_Is_thread_dispatching_allowed( void ); |
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102 | #endif |
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103 | |
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104 | #ifdef __cplusplus |
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105 | } |
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106 | #endif /* __cplusplus */ |
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107 | |
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108 | #endif /* _RTEMS_SCORE_ASSERT_H */ |
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