1 | /* |
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2 | * COPYRIGHT (c) 2012 Chris Johns <chrisj@rtems.org> |
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3 | * |
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4 | * The license and distribution terms for this file may be |
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5 | * found in the file LICENSE in this distribution or at |
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6 | * http://www.rtems.org/license/LICENSE. |
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7 | */ |
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8 | /** |
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9 | * @file |
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10 | * |
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11 | * @ingroup rtems_rtld |
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12 | * |
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13 | * @brief RTEMS Run-Time Link Editor Trace |
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14 | * |
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15 | * A configurable tracer for the RTL. See the header file for the enable and |
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16 | * disable. |
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17 | */ |
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18 | |
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19 | #if HAVE_CONFIG_H |
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20 | #include "config.h" |
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21 | #endif |
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22 | |
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23 | #include <stdio.h> |
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24 | #include <string.h> |
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25 | |
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26 | #include <rtems/rtl/rtl-trace.h> |
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27 | |
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28 | #if RTEMS_RTL_TRACE |
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29 | static rtems_rtl_trace_mask rtems_rtl_trace_flags; |
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30 | |
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31 | bool |
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32 | rtems_rtl_trace (rtems_rtl_trace_mask mask) |
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33 | { |
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34 | bool result = false; |
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35 | if (mask & rtems_rtl_trace_flags) |
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36 | result = true; |
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37 | return result; |
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38 | } |
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39 | |
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40 | rtems_rtl_trace_mask |
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41 | rtems_rtl_trace_set_mask (rtems_rtl_trace_mask mask) |
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42 | { |
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43 | rtems_rtl_trace_mask state = rtems_rtl_trace_flags; |
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44 | rtems_rtl_trace_flags |= mask; |
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45 | return state; |
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46 | } |
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47 | |
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48 | rtems_rtl_trace_mask |
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49 | rtems_rtl_trace_clear_mask (rtems_rtl_trace_mask mask) |
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50 | { |
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51 | rtems_rtl_trace_mask state = rtems_rtl_trace_flags; |
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52 | rtems_rtl_trace_flags &= ~mask; |
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53 | return state; |
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54 | } |
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55 | |
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56 | int |
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57 | rtems_rtl_trace_shell_command (int argc, char *argv[]) |
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58 | { |
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59 | const char* table[] = |
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60 | { |
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61 | "detail", |
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62 | "warning", |
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63 | "load", |
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64 | "unload", |
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65 | "section", |
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66 | "symbol", |
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67 | "reloc", |
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68 | "global-sym", |
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69 | "load-sect", |
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70 | "allocator", |
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71 | "unresolved", |
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72 | "cache", |
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73 | "archives", |
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74 | "dependency" |
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75 | }; |
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76 | |
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77 | rtems_rtl_trace_mask set_value = 0; |
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78 | rtems_rtl_trace_mask clear_value = 0; |
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79 | bool set = true; |
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80 | int arg; |
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81 | int t; |
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82 | |
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83 | for (arg = 1; arg < argc; arg++) |
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84 | { |
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85 | if (argv[arg][0] == '-') |
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86 | { |
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87 | switch (argv[arg][1]) |
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88 | { |
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89 | case 'h': |
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90 | printf ("usage: %s [-hl] [set/clear] [flags]\n", argv[0]); |
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91 | return 0; |
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92 | case 'l': |
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93 | printf ("%s: valid flags to set or clear are:\n", argv[0]); |
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94 | for (t = 0; t < (sizeof (table) / sizeof (const char*)); t++) |
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95 | printf (" %s\n", table[t]); |
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96 | return 0; |
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97 | default: |
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98 | printf ("error: unknown option\n"); |
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99 | return 1; |
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100 | } |
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101 | } |
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102 | else |
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103 | { |
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104 | if (strcmp (argv[arg], "set") == 0) |
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105 | set = true; |
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106 | if (strcmp (argv[arg], "clear") == 0) |
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107 | set = false; |
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108 | else if (strcmp (argv[arg], "all") == 0) |
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109 | { |
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110 | if (set) |
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111 | set_value = RTEMS_RTL_TRACE_ALL; |
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112 | else |
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113 | clear_value = RTEMS_RTL_TRACE_ALL; |
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114 | } |
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115 | else |
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116 | { |
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117 | for (t = 0; t < (sizeof (table) / sizeof (const char*)); t++) |
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118 | { |
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119 | if (strcmp (argv[arg], table[t]) == 0) |
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120 | { |
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121 | if (set) |
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122 | set_value = 1 << t; |
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123 | else |
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124 | clear_value = 1 << t; |
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125 | break; |
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126 | } |
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127 | } |
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128 | } |
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129 | |
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130 | rtems_rtl_trace_flags |= set_value; |
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131 | rtems_rtl_trace_flags &= ~clear_value; |
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132 | } |
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133 | } |
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134 | |
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135 | return 0; |
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136 | } |
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137 | |
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138 | #endif |
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