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annotate src/nucleus/erd.c @ 183:9029c222c426

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author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 19 Jan 2020 22:04:28 +0000
parents 0f80e1e4dce4
children
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1 /*************************************************************************/
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2 /* */
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3 /* Copyright Mentor Graphics Corporation 2002 */
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4 /* All Rights Reserved. */
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5 /* */
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6 /* THIS WORK CONTAINS TRADE SECRET AND PROPRIETARY INFORMATION WHICH IS */
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7 /* THE PROPERTY OF MENTOR GRAPHICS CORPORATION OR ITS LICENSORS AND IS */
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8 /* SUBJECT TO LICENSE TERMS. */
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9 /* */
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10 /*************************************************************************/
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11
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12 /*************************************************************************/
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13 /* */
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14 /* FILE NAME VERSION */
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15 /* */
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16 /* erd.c Nucleus PLUS 1.14 */
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17 /* */
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18 /* COMPONENT */
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19 /* */
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20 /* ER - Error Management */
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21 /* */
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22 /* DESCRIPTION */
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23 /* */
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24 /* This file contains global data structures for use within the */
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25 /* Error Management component. */
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26 /* */
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27 /* DATA STRUCTURES */
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28 /* */
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29 /* ERD_Error_Code Contains the system error */
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30 /* code */
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31 /* ERD_Error_String Contains the ASCII system */
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32 /* error string */
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33 /* */
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34 /* FUNCTIONS */
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35 /* */
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36 /* None */
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37 /* */
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38 /* DEPENDENCIES */
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39 /* */
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40 /* nucleus.h System definitions */
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41 /* */
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42 /* HISTORY */
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43 /* */
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44 /* DATE REMARKS */
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45 /* */
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46 /* 03-01-1993 Created initial version 1.0 */
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47 /* 04-19-1993 Verified version 1.0 */
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48 /* 03-01-1994 Modified copyright notice, */
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49 /* resulting in version 1.1 */
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50 /* */
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51 /* 03-18-1994 Verified version 1.1 */
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52 /* 04-17-1996 updated to version 1.2 */
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53 /* 03-24-1998 Released version 1.3. */
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54 /* 11-24-1998 Added ERD_Assert_Count. */
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55 /* 03-26-1999 Released 1.11m (new release */
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56 /* numbering scheme) */
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57 /* 04-07-1999 Release 1.11mA */
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58 /* 04-17-2002 Released version 1.13m */
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59 /* 11-07-2002 Released version 1.14 */
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60 /*************************************************************************/
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61 #define NU_SOURCE_FILE
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62
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63 #include "nucleus.h" /* System definitions */
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66 /* ERD_Error_Code contains the system error code detected by the system. */
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67
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68 INT ERD_Error_Code;
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69
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70 #ifdef NU_DEBUG
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71
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72 /* ERD_Assert_Count contains the number of detected failed assertions. */
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73 UNSIGNED ERD_Assert_Count;
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74
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75 #endif
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77
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78 #ifdef NU_ERROR_STRING
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79
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80 /* ERD_Error_String is an area for building an ASCII string representation of
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81 the system error. */
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82
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83 CHAR ERD_Error_String[80];
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84
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85 #endif
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86
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87 #ifdef NU_DEBUG_MEMORY
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88
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89 #include "er_defs.h"
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90
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91 /* NU_DEBUG_MEMORY wraps the calles to DMCE_Allocate_Memory and
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92 DMCE_Deallocate_Memory with a set of calls that help track memory
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93 problems in a memory pool. The memory pool that will be examined
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94 is determined by the NU_MEMORY_POOL macro. */
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95
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96 /* The functions in NU_DEBUG_MEMORY require error checking.
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97 NU_DEBUG_MEMORY can not be defined with NU_NO_ERROR_CHECKING */
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98
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99 #ifdef NU_NO_ERROR_CHECKING
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100 #error Can not define NU_DEBUG_MEMORY and NU_NO_ERROR_CHECKING at the same time!
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101 #endif /* NU_NO_ERROR_CHECKING */
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102
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103 #ifndef NU_DEBUG
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104 #error NU_DEBUG must be defined when NU_DEBUG_MEMORY is enabled!
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105 #endif /* NU_NO_ERROR_CHECKING */
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106
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107 /* ERD_AllocationCount is the current number of sucessful allocations that
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108 have not been deallocated.
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109 ERD_AllocationSequenceCounter identifies each successful allocation by
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110 numbering them in the order they are created.
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111 ERD_TotalMemoryAllocated is the number of sucessful calls to
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112 NU_Allocate_Memory.
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113 ERD_TotalMemoryAllocations is the sum of the sizes of each sucessful
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114 allocation.
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115 ERD_MaxTotalMemoryAllocated is the most memory ever allocated at any
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116 point in time.
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117 ERD_MaxTotalMemoryAllocations is the most outstanding memory allocations
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118 (those that are not deallocated) at any point in time. */
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119
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120 UINT32 ERD_AllocationCount;
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121 UINT32 ERD_AllocationSequenceCounter;
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122 UINT32 ERD_TotalMemoryAllocated;
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123 UINT32 ERD_TotalMemoryAllocations;
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124 UINT32 ERD_MaxTotalMemoryAllocated;
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125 UINT32 ERD_MaxTotalMemoryAllocations;
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126
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127 /* Constants to mark the header and footer */
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128 const UINT8 ERD_MemoryAllocationHead[] = {'H','E','A','D'};
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129 const UINT8 ERD_MemoryAllocationFoot[] = {'F','O','O','T'};
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130
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131 /* This is the head of a linked list that holds all the currently
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132 outstanding allocations in reverse chronological order.
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133 RED_RecentAllocation is the most recent. The 'prev' field always
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134 points to the allocation made beforehand. */
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135 ER_DEBUG_ALLOCATION *ERD_RecentAllocation;
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136
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137 #endif /* NU_DEBUG_MEMORY */
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138
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139
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140
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141
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142