[ae5fe7e6] | 1 | /* |
---|
[f59d435d] | 2 | * COPYRIGHT (c) 2012, 2018 Chris Johns <chrisj@rtems.org> |
---|
[ae5fe7e6] | 3 | * |
---|
| 4 | * The license and distribution terms for this file may be |
---|
| 5 | * found in the file LICENSE in this distribution or at |
---|
[d4edbdbc] | 6 | * http://www.rtems.org/license/LICENSE. |
---|
[ae5fe7e6] | 7 | */ |
---|
| 8 | /** |
---|
| 9 | * @file |
---|
| 10 | * |
---|
| 11 | * @ingroup rtems_rtld |
---|
| 12 | * |
---|
| 13 | * @brief RTEMS Run-Time Link Editor Shell Commands |
---|
| 14 | * |
---|
| 15 | * A simple RTL command to aid using the RTL. |
---|
| 16 | */ |
---|
| 17 | |
---|
| 18 | #if HAVE_CONFIG_H |
---|
| 19 | #include "config.h" |
---|
| 20 | #endif |
---|
| 21 | |
---|
| 22 | #include <inttypes.h> |
---|
[54bdf0c] | 23 | #include <rtems/inttypes.h> |
---|
[ae5fe7e6] | 24 | |
---|
| 25 | #include <stdio.h> |
---|
| 26 | #include <string.h> |
---|
| 27 | |
---|
| 28 | #include <rtems/rtl/rtl.h> |
---|
[89c59be] | 29 | #include <rtems/rtl/rtl-shell.h> |
---|
[990adc5] | 30 | #include <rtems/rtl/rtl-trace.h> |
---|
[89c59be] | 31 | #include "rtl-chain-iterator.h" |
---|
[ae5fe7e6] | 32 | |
---|
| 33 | /** |
---|
| 34 | * The type of the shell handlers we have. |
---|
| 35 | */ |
---|
[f59d435d] | 36 | typedef int (*rtems_rtl_shell_handler) (rtems_rtl_data* rtl, int argc, char *argv[]); |
---|
[ae5fe7e6] | 37 | |
---|
| 38 | /** |
---|
| 39 | * Table of handlers we parse to invoke the command. |
---|
| 40 | */ |
---|
| 41 | typedef struct |
---|
| 42 | { |
---|
[f59d435d] | 43 | const char* name; /**< The sub-command's name. */ |
---|
| 44 | rtems_rtl_shell_handler handler; /**< The sub-command's handler. */ |
---|
| 45 | const char* help; /**< The sub-command's help. */ |
---|
| 46 | } rtems_rtl_shell_cmd; |
---|
[ae5fe7e6] | 47 | |
---|
| 48 | /** |
---|
| 49 | * Object summary data. |
---|
| 50 | */ |
---|
| 51 | typedef struct |
---|
| 52 | { |
---|
| 53 | int count; /**< The number of object files. */ |
---|
| 54 | size_t exec; /**< The amount of executable memory allocated. */ |
---|
| 55 | size_t symbols; /**< The amount of symbol memory allocated. */ |
---|
[f59d435d] | 56 | } rtems_rtl_obj_summary; |
---|
[ae5fe7e6] | 57 | |
---|
| 58 | /** |
---|
| 59 | * Object summary iterator. |
---|
| 60 | */ |
---|
| 61 | static bool |
---|
| 62 | rtems_rtl_obj_summary_iterator (rtems_chain_node* node, void* data) |
---|
| 63 | { |
---|
[f59d435d] | 64 | rtems_rtl_obj_summary* summary = data; |
---|
| 65 | rtems_rtl_obj* obj = (rtems_rtl_obj*) node; |
---|
[ae5fe7e6] | 66 | ++summary->count; |
---|
| 67 | summary->exec += obj->exec_size; |
---|
| 68 | summary->symbols += obj->global_size; |
---|
| 69 | return true; |
---|
| 70 | } |
---|
| 71 | |
---|
| 72 | /** |
---|
| 73 | * Count the number of symbols. |
---|
| 74 | */ |
---|
| 75 | static int |
---|
[f59d435d] | 76 | rtems_rtl_count_symbols (rtems_rtl_data* rtl) |
---|
[ae5fe7e6] | 77 | { |
---|
| 78 | int count; |
---|
| 79 | int bucket; |
---|
| 80 | for (count = 0, bucket = 0; bucket < rtl->globals.nbuckets; ++bucket) |
---|
| 81 | count += rtems_rtl_chain_count (&rtl->globals.buckets[bucket]); |
---|
| 82 | return count; |
---|
| 83 | } |
---|
| 84 | |
---|
| 85 | static int |
---|
[f59d435d] | 86 | rtems_rtl_shell_status (rtems_rtl_data* rtl, int argc, char *argv[]) |
---|
[ae5fe7e6] | 87 | { |
---|
[f59d435d] | 88 | rtems_rtl_obj_summary summary; |
---|
| 89 | size_t total_memory; |
---|
[ae5fe7e6] | 90 | |
---|
| 91 | summary.count = 0; |
---|
| 92 | summary.exec = 0; |
---|
| 93 | summary.symbols = 0; |
---|
| 94 | rtems_rtl_chain_iterate (&rtl->objects, |
---|
| 95 | rtems_rtl_obj_summary_iterator, |
---|
| 96 | &summary); |
---|
| 97 | /* |
---|
| 98 | * Currently does not include the name strings in the obj struct. |
---|
| 99 | */ |
---|
| 100 | total_memory = |
---|
[f59d435d] | 101 | sizeof (*rtl) + (summary.count * sizeof (rtems_rtl_obj)) + |
---|
[ae5fe7e6] | 102 | summary.exec + summary.symbols; |
---|
| 103 | |
---|
| 104 | printf ("Runtime Linker Status:\n"); |
---|
| 105 | printf (" paths: %s\n", rtl->paths); |
---|
| 106 | printf (" objects: %d\n", summary.count); |
---|
| 107 | printf (" total memory: %zi\n", total_memory); |
---|
| 108 | printf (" exec memory: %zi\n", summary.exec); |
---|
| 109 | printf (" sym memory: %zi\n", summary.symbols); |
---|
| 110 | printf (" symbols: %d\n", rtems_rtl_count_symbols (rtl)); |
---|
| 111 | |
---|
| 112 | return 0; |
---|
| 113 | } |
---|
| 114 | |
---|
| 115 | /** |
---|
| 116 | * Object print data. |
---|
| 117 | */ |
---|
| 118 | typedef struct |
---|
| 119 | { |
---|
[03139d5b] | 120 | rtems_rtl_data* rtl; /**< The RTL data. */ |
---|
| 121 | int indent; /**< Spaces to indent. */ |
---|
[89c59be] | 122 | bool sep1; /**< Print a separator. */ |
---|
[03139d5b] | 123 | bool oname; /**< Print object names. */ |
---|
| 124 | bool names; /**< Print details of all names. */ |
---|
| 125 | bool memory_map; /**< Print the memory map. */ |
---|
| 126 | bool symbols; /**< Print the global symbols. */ |
---|
| 127 | bool dependencies; /**< Print any dependencies. */ |
---|
| 128 | bool base; /**< Include the base object file. */ |
---|
[f59d435d] | 129 | } rtems_rtl_obj_print; |
---|
[ae5fe7e6] | 130 | |
---|
| 131 | /** |
---|
| 132 | * Return the different between 2 void*. |
---|
| 133 | */ |
---|
| 134 | static size_t |
---|
| 135 | rtems_rtl_delta_voids (void* higher, void* lower) |
---|
| 136 | { |
---|
| 137 | char* ch = higher; |
---|
| 138 | char* cl = lower; |
---|
| 139 | return ch - cl; |
---|
| 140 | } |
---|
| 141 | |
---|
| 142 | /** |
---|
| 143 | * Parse an argument. |
---|
| 144 | */ |
---|
| 145 | static bool |
---|
| 146 | rtems_rtl_parse_arg (const char* opt, int argc, char *argv[]) |
---|
| 147 | { |
---|
| 148 | int arg; |
---|
| 149 | for (arg = 0; arg < argc; ++arg) |
---|
| 150 | if (strncmp (opt, argv[arg], 2) == 0) |
---|
| 151 | return true; |
---|
| 152 | return false; |
---|
| 153 | } |
---|
| 154 | |
---|
| 155 | /** |
---|
| 156 | * See if -b for base is set. |
---|
| 157 | */ |
---|
| 158 | static bool |
---|
| 159 | rtems_rtl_base_arg (int argc, char *argv[]) |
---|
| 160 | { |
---|
| 161 | return rtems_rtl_parse_arg ("-b", argc, argv); |
---|
| 162 | } |
---|
| 163 | |
---|
| 164 | /** |
---|
| 165 | * See if -s for base is set. |
---|
| 166 | */ |
---|
| 167 | static bool |
---|
| 168 | rtems_rtl_symbols_arg (int argc, char *argv[]) |
---|
| 169 | { |
---|
| 170 | return rtems_rtl_parse_arg ("-s", argc, argv); |
---|
| 171 | } |
---|
| 172 | |
---|
[03139d5b] | 173 | /** |
---|
| 174 | * Dependenncies printer. |
---|
| 175 | */ |
---|
| 176 | typedef struct |
---|
| 177 | { |
---|
| 178 | bool first; /**< Is this the first line printed. */ |
---|
| 179 | size_t indent; /**< The indent. */ |
---|
| 180 | } rtems_rtl_dep_data; |
---|
| 181 | |
---|
| 182 | static bool |
---|
| 183 | rtems_rtl_dependencies (rtems_rtl_obj* obj, |
---|
| 184 | rtems_rtl_obj* dependent, |
---|
| 185 | void* data) |
---|
| 186 | { |
---|
| 187 | rtems_rtl_dep_data* dd = (rtems_rtl_dep_data*) data; |
---|
| 188 | if (!dd->first) |
---|
| 189 | printf ("\n%-*c: ", dd->indent, ' '); |
---|
| 190 | else |
---|
| 191 | dd->first = false; |
---|
| 192 | printf ("%s", dependent->oname); |
---|
| 193 | return false; |
---|
| 194 | } |
---|
| 195 | |
---|
[ae5fe7e6] | 196 | /** |
---|
| 197 | * Object printer. |
---|
| 198 | */ |
---|
| 199 | static bool |
---|
[f59d435d] | 200 | rtems_rtl_obj_printer (rtems_rtl_obj_print* print, rtems_rtl_obj* obj) |
---|
[ae5fe7e6] | 201 | { |
---|
| 202 | char flags_str[33]; |
---|
| 203 | |
---|
| 204 | /* |
---|
| 205 | * Skip the base module unless asked to show it. |
---|
| 206 | */ |
---|
| 207 | if (!print->base && (obj == print->rtl->base)) |
---|
| 208 | return true; |
---|
| 209 | |
---|
[89c59be] | 210 | if (print->sep1) |
---|
| 211 | { |
---|
| 212 | printf ("%-*c--------------\n", print->indent, ' '); |
---|
| 213 | } |
---|
[ae5fe7e6] | 214 | if (print->oname) |
---|
| 215 | { |
---|
| 216 | printf ("%-*cobject name : %s\n", |
---|
| 217 | print->indent, ' ', rtems_rtl_obj_oname (obj)); |
---|
| 218 | } |
---|
| 219 | if (print->names) |
---|
| 220 | { |
---|
| 221 | printf ("%-*cfile name : %s\n", |
---|
| 222 | print->indent, ' ', rtems_rtl_obj_fname (obj)); |
---|
| 223 | printf ("%-*carchive name : %s\n", |
---|
| 224 | print->indent, ' ', rtems_rtl_obj_aname (obj)); |
---|
| 225 | strcpy (flags_str, "--"); |
---|
| 226 | if (obj->flags & RTEMS_RTL_OBJ_LOCKED) |
---|
| 227 | flags_str[0] = 'L'; |
---|
| 228 | if (obj->flags & RTEMS_RTL_OBJ_UNRESOLVED) |
---|
| 229 | flags_str[1] = 'U'; |
---|
| 230 | printf ("%-*cflags : %s\n", print->indent, ' ', flags_str); |
---|
| 231 | printf ("%-*cfile offset : %" PRIdoff_t "\n", print->indent, ' ', obj->ooffset); |
---|
| 232 | printf ("%-*cfile size : %zi\n", print->indent, ' ', obj->fsize); |
---|
| 233 | } |
---|
| 234 | if (print->memory_map) |
---|
| 235 | { |
---|
| 236 | printf ("%-*cexec size : %zi\n", print->indent, ' ', obj->exec_size); |
---|
| 237 | printf ("%-*ctext base : %p (%zi)\n", print->indent, ' ', |
---|
| 238 | obj->text_base, rtems_rtl_delta_voids (obj->const_base, obj->text_base)); |
---|
| 239 | printf ("%-*cconst base : %p (%zi)\n", print->indent, ' ', |
---|
| 240 | obj->const_base, rtems_rtl_delta_voids (obj->data_base, obj->const_base)); |
---|
| 241 | printf ("%-*cdata base : %p (%zi)\n", print->indent, ' ', |
---|
| 242 | obj->data_base, rtems_rtl_delta_voids (obj->bss_base, obj->data_base)); |
---|
| 243 | printf ("%-*cbss base : %p (%zi)\n", print->indent, ' ', |
---|
| 244 | obj->bss_base, obj->bss_size); |
---|
| 245 | } |
---|
[03139d5b] | 246 | printf ("%-*cunresolved : %zu\n", print->indent, ' ', obj->unresolved); |
---|
| 247 | printf ("%-*cusers : %zu\n", print->indent, ' ', obj->users); |
---|
| 248 | printf ("%-*creferences : %zu\n", print->indent, ' ', obj->refs); |
---|
[ae5fe7e6] | 249 | printf ("%-*csymbols : %zi\n", print->indent, ' ', obj->global_syms); |
---|
| 250 | printf ("%-*csymbol memory : %zi\n", print->indent, ' ', obj->global_size); |
---|
| 251 | if (print->symbols) |
---|
| 252 | { |
---|
| 253 | int max_len = 0; |
---|
| 254 | int s; |
---|
| 255 | for (s = 0; s < obj->global_syms; ++s) |
---|
| 256 | { |
---|
| 257 | int len = strlen (obj->global_table[s].name); |
---|
| 258 | if (len > max_len) |
---|
| 259 | max_len = len; |
---|
| 260 | } |
---|
| 261 | for (s = 0; s < obj->global_syms; ++s) |
---|
| 262 | printf ("%-*c%-*s = %p\n", print->indent + 2, ' ', |
---|
| 263 | max_len, obj->global_table[s].name, obj->global_table[s].value); |
---|
| 264 | } |
---|
[03139d5b] | 265 | if (print->dependencies) |
---|
| 266 | { |
---|
| 267 | rtems_rtl_dep_data dd = { |
---|
| 268 | .first = true, |
---|
| 269 | .indent = strlen ("dependencies :") + print->indent |
---|
| 270 | }; |
---|
| 271 | printf ("%-*cdependencies : ", print->indent, ' '); |
---|
| 272 | rtems_rtl_obj_iterate_dependents (obj, rtems_rtl_dependencies, &dd); |
---|
| 273 | printf ("\n"); |
---|
| 274 | } |
---|
[ae5fe7e6] | 275 | printf ("\n"); |
---|
| 276 | return true; |
---|
| 277 | } |
---|
| 278 | |
---|
| 279 | /** |
---|
| 280 | * Object unresolved symbols printer. |
---|
| 281 | */ |
---|
| 282 | static bool |
---|
[f59d435d] | 283 | rtems_rtl_unresolved_printer (rtems_rtl_unresolv_rec* rec, |
---|
| 284 | void* data) |
---|
[ae5fe7e6] | 285 | { |
---|
[f59d435d] | 286 | rtems_rtl_obj_print* print = (rtems_rtl_obj_print*) data; |
---|
[89c59be] | 287 | if (rec->type == rtems_rtl_unresolved_symbol) |
---|
[ae5fe7e6] | 288 | printf ("%-*c%s\n", print->indent + 2, ' ', rec->rec.name.name); |
---|
| 289 | return false; |
---|
| 290 | } |
---|
| 291 | |
---|
| 292 | /** |
---|
| 293 | * Object print iterator. |
---|
| 294 | */ |
---|
| 295 | static bool |
---|
| 296 | rtems_rtl_obj_print_iterator (rtems_chain_node* node, void* data) |
---|
| 297 | { |
---|
[f59d435d] | 298 | rtems_rtl_obj_print* print = data; |
---|
| 299 | rtems_rtl_obj* obj = (rtems_rtl_obj*) node; |
---|
[ae5fe7e6] | 300 | return rtems_rtl_obj_printer (print, obj); |
---|
| 301 | } |
---|
| 302 | |
---|
| 303 | static int |
---|
[f59d435d] | 304 | rtems_rtl_shell_list (rtems_rtl_data* rtl, int argc, char *argv[]) |
---|
[ae5fe7e6] | 305 | { |
---|
[f59d435d] | 306 | rtems_rtl_obj_print print; |
---|
[ae5fe7e6] | 307 | print.rtl = rtl; |
---|
| 308 | print.indent = 1; |
---|
[89c59be] | 309 | print.sep1 = true; |
---|
[ae5fe7e6] | 310 | print.oname = true; |
---|
| 311 | print.names = true; |
---|
| 312 | print.memory_map = true; |
---|
| 313 | print.symbols = rtems_rtl_symbols_arg (argc, argv); |
---|
[03139d5b] | 314 | print.dependencies = true; |
---|
[ae5fe7e6] | 315 | print.base = false; |
---|
| 316 | rtems_rtl_chain_iterate (&rtl->objects, |
---|
| 317 | rtems_rtl_obj_print_iterator, |
---|
| 318 | &print); |
---|
| 319 | return 0; |
---|
| 320 | } |
---|
| 321 | |
---|
| 322 | static int |
---|
[f59d435d] | 323 | rtems_rtl_shell_sym (rtems_rtl_data* rtl, int argc, char *argv[]) |
---|
[ae5fe7e6] | 324 | { |
---|
[f59d435d] | 325 | rtems_rtl_obj_print print; |
---|
[ae5fe7e6] | 326 | print.rtl = rtl; |
---|
| 327 | print.indent = 1; |
---|
[89c59be] | 328 | print.sep1 = true; |
---|
[ae5fe7e6] | 329 | print.oname = true; |
---|
| 330 | print.names = false; |
---|
| 331 | print.memory_map = false; |
---|
| 332 | print.symbols = true; |
---|
[03139d5b] | 333 | print.dependencies = false; |
---|
[ae5fe7e6] | 334 | print.base = rtems_rtl_base_arg (argc, argv); |
---|
| 335 | rtems_rtl_chain_iterate (&rtl->objects, |
---|
| 336 | rtems_rtl_obj_print_iterator, |
---|
| 337 | &print); |
---|
| 338 | printf ("Unresolved:\n"); |
---|
[89c59be] | 339 | rtems_rtl_unresolved_iterate (rtems_rtl_unresolved_printer, &print); |
---|
[ae5fe7e6] | 340 | return 0; |
---|
| 341 | } |
---|
| 342 | |
---|
| 343 | static int |
---|
[f59d435d] | 344 | rtems_rtl_shell_object (rtems_rtl_data* rtl, int argc, char *argv[]) |
---|
[ae5fe7e6] | 345 | { |
---|
| 346 | return 0; |
---|
| 347 | } |
---|
| 348 | |
---|
| 349 | static void |
---|
| 350 | rtems_rtl_shell_usage (const char* arg) |
---|
| 351 | { |
---|
| 352 | printf ("%s: Runtime Linker\n", arg); |
---|
| 353 | printf (" %s [-hl] <command>\n", arg); |
---|
| 354 | printf (" where:\n"); |
---|
| 355 | printf (" command: A n RTL command. See -l for a list plus help.\n"); |
---|
| 356 | printf (" -h: This help\n"); |
---|
| 357 | printf (" -l: The command list.\n"); |
---|
| 358 | } |
---|
| 359 | |
---|
| 360 | int |
---|
| 361 | rtems_rtl_shell_command (int argc, char* argv[]) |
---|
| 362 | { |
---|
[f59d435d] | 363 | const rtems_rtl_shell_cmd table[] = |
---|
[ae5fe7e6] | 364 | { |
---|
| 365 | { "status", rtems_rtl_shell_status, |
---|
| 366 | "Display the status of the RTL" }, |
---|
| 367 | { "list", rtems_rtl_shell_list, |
---|
| 368 | "\tList the object files currently loaded" }, |
---|
| 369 | { "sym", rtems_rtl_shell_sym, |
---|
| 370 | "\tDisplay the symbols, sym [<name>], sym -o <obj> [<name>]" }, |
---|
| 371 | { "obj", rtems_rtl_shell_object, |
---|
| 372 | "\tDisplay the object details, obj <name>" } |
---|
| 373 | }; |
---|
| 374 | |
---|
| 375 | int arg; |
---|
| 376 | int t; |
---|
| 377 | |
---|
| 378 | for (arg = 1; arg < argc; arg++) |
---|
| 379 | { |
---|
| 380 | if (argv[arg][0] != '-') |
---|
| 381 | break; |
---|
| 382 | |
---|
| 383 | switch (argv[arg][1]) |
---|
| 384 | { |
---|
| 385 | case 'h': |
---|
| 386 | rtems_rtl_shell_usage (argv[0]); |
---|
| 387 | return 0; |
---|
| 388 | case 'l': |
---|
| 389 | printf ("%s: commands are:\n", argv[0]); |
---|
| 390 | for (t = 0; |
---|
[f59d435d] | 391 | t < (sizeof (table) / sizeof (const rtems_rtl_shell_cmd)); |
---|
[ae5fe7e6] | 392 | ++t) |
---|
| 393 | printf (" %s\t%s\n", table[t].name, table[t].help); |
---|
| 394 | return 0; |
---|
| 395 | default: |
---|
| 396 | printf ("error: unknown option: %s\n", argv[arg]); |
---|
| 397 | return 1; |
---|
| 398 | } |
---|
| 399 | } |
---|
| 400 | |
---|
| 401 | if ((argc - arg) < 1) |
---|
| 402 | printf ("error: you need to provide a command, try %s -h\n", argv[0]); |
---|
| 403 | else |
---|
| 404 | { |
---|
| 405 | for (t = 0; |
---|
[f59d435d] | 406 | t < (sizeof (table) / sizeof (const rtems_rtl_shell_cmd)); |
---|
[ae5fe7e6] | 407 | ++t) |
---|
| 408 | { |
---|
| 409 | if (strncmp (argv[arg], table[t].name, strlen (argv[arg])) == 0) |
---|
| 410 | { |
---|
[f59d435d] | 411 | rtems_rtl_data* rtl = rtems_rtl_lock (); |
---|
| 412 | int r; |
---|
[ae5fe7e6] | 413 | if (!rtl) |
---|
| 414 | { |
---|
| 415 | printf ("error: cannot lock the linker\n"); |
---|
| 416 | return 1; |
---|
| 417 | } |
---|
| 418 | r = table[t].handler (rtl, argc - 1, argv + 1); |
---|
| 419 | rtems_rtl_unlock (); |
---|
| 420 | return r; |
---|
| 421 | } |
---|
| 422 | } |
---|
| 423 | printf ("error: command not found: %s (try -h)\n", argv[arg]); |
---|
| 424 | } |
---|
| 425 | |
---|
| 426 | return 1; |
---|
| 427 | } |
---|