1 | /* |
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2 | * Copyright (c) 2014 Chris Johns <chrisj@rtems.org>. |
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3 | * All rights reserved. |
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4 | * |
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5 | * The license and distribution terms for this file may be |
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6 | * found in the file LICENSE in this distribution or at |
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7 | * http://www.rtems.org/license/LICENSE. |
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8 | */ |
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9 | |
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10 | #define DL07_DEBUG_TRACE 0 /* RTEMS_RTL_TRACE_ALL */ |
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11 | #define DL07_RTL_CMDS 0 |
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12 | |
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13 | #include <dlfcn.h> |
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14 | |
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15 | #include "dl-load.h" |
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16 | |
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17 | #include <tmacros.h> |
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18 | |
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19 | #include <rtems/rtl/rtl-trace.h> |
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20 | |
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21 | typedef int (*call_sig)(void); |
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22 | |
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23 | int rtems_rtl_shell_command (int argc, char* argv[]); |
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24 | |
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25 | static void dl_load_dump (void) |
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26 | { |
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27 | #if DL07_RTL_CMDS |
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28 | char* list[] = { "rtl", "list", NULL }; |
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29 | char* sym[] = { "rtl", "sym", NULL }; |
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30 | printf ("RTL List:\n"); |
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31 | rtems_rtl_shell_command (2, list); |
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32 | printf ("RTL Sym:\n"); |
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33 | rtems_rtl_shell_command (2, sym); |
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34 | #endif |
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35 | } |
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36 | |
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37 | static void dl_check_resolved(void* handle, bool has_unresolved) |
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38 | { |
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39 | int unresolved = 0; |
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40 | rtems_test_assert (dlinfo (handle, RTLD_DI_UNRESOLVED, &unresolved) == 0); |
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41 | if (has_unresolved) |
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42 | { |
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43 | if (unresolved == 0) |
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44 | { |
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45 | dl_load_dump(); |
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46 | rtems_test_assert (unresolved != 0); |
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47 | } |
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48 | } |
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49 | else |
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50 | { |
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51 | if (unresolved != 0) |
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52 | { |
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53 | dl_load_dump(); |
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54 | rtems_test_assert (unresolved == 0); |
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55 | } |
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56 | } |
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57 | } |
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58 | |
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59 | static void* dl_load_obj(const char* name, bool has_unresolved) |
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60 | { |
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61 | void* handle; |
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62 | |
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63 | printf("load: %s\n", name); |
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64 | |
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65 | handle = dlopen (name, RTLD_NOW | RTLD_GLOBAL); |
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66 | if (!handle) |
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67 | { |
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68 | printf("dlopen failed: %s\n", dlerror()); |
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69 | return NULL; |
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70 | } |
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71 | |
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72 | dl_check_resolved (handle, has_unresolved); |
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73 | |
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74 | printf ("handle: %p loaded\n", handle); |
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75 | |
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76 | return handle; |
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77 | } |
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78 | |
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79 | static void dl_close (void* handle) |
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80 | { |
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81 | int r; |
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82 | printf ("handle: %p closing\n", handle); |
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83 | r = dlclose (handle); |
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84 | if (r != 0) |
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85 | printf("dlclose failed: %s\n", dlerror()); |
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86 | rtems_test_assert (r == 0); |
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87 | } |
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88 | |
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89 | static int dl_call (void* handle, const char* func) |
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90 | { |
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91 | call_sig call = dlsym (handle, func); |
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92 | if (call == NULL) |
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93 | { |
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94 | printf("dlsym failed: symbol not found: %s\n", func); |
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95 | return 1; |
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96 | } |
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97 | call (); |
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98 | return 0; |
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99 | } |
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100 | |
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101 | int dl_load_test(void) |
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102 | { |
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103 | void* o1; |
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104 | void* o2; |
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105 | void* o3; |
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106 | void* o4; |
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107 | void* o5; |
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108 | |
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109 | printf ("Test source (link in strstr): %s\n", dl_localise_file (__FILE__)); |
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110 | |
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111 | #if DL07_DEBUG_TRACE |
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112 | rtems_rtl_trace_set_mask (DL07_DEBUG_TRACE); |
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113 | #endif |
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114 | |
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115 | o1 = dl_load_obj("/dl07-o1.o", false); |
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116 | if (!o1) |
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117 | return 1; |
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118 | o2 = dl_load_obj("/dl07-o2.o", false); |
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119 | if (!o1) |
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120 | return 1; |
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121 | o3 = dl_load_obj("/dl07-o3.o", true); |
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122 | if (!o1) |
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123 | return 1; |
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124 | o4 = dl_load_obj("/dl07-o4.o", false); |
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125 | if (!o1) |
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126 | return 1; |
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127 | o5 = dl_load_obj("/dl07-o5.o", false); |
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128 | if (!o1) |
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129 | return 1; |
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130 | |
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131 | dl_check_resolved (o3, false); |
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132 | |
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133 | dl_load_dump (); |
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134 | |
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135 | printf ("\n\nRun mains in each module:\n\n"); |
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136 | if (dl_call (o1, "rtems_main_o1")) |
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137 | return 1; |
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138 | if (dl_call (o2, "rtems_main_o2")) |
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139 | return 1; |
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140 | if (dl_call (o3, "rtems_main_o3")) |
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141 | return 1; |
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142 | if (dl_call (o4, "rtems_main_o4")) |
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143 | return 1; |
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144 | if (dl_call (o5, "rtems_main_o5")) |
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145 | return 1; |
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146 | |
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147 | /* |
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148 | * Try and close the dependent modules, we should get an error. |
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149 | */ |
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150 | rtems_test_assert (dlclose (o1) != 0); |
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151 | rtems_test_assert (dlclose (o2) != 0); |
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152 | rtems_test_assert (dlclose (o4) != 0); |
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153 | rtems_test_assert (dlclose (o5) != 0); |
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154 | |
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155 | dl_close (o3); |
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156 | rtems_test_assert (dlclose (o1) != 0); |
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157 | dl_close (o4); |
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158 | rtems_test_assert (dlclose (o1) != 0); |
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159 | dl_close (o5); |
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160 | rtems_test_assert (dlclose (o1) != 0); |
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161 | dl_close (o2); |
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162 | dl_close (o1); |
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163 | |
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164 | return 0; |
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165 | } |
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