| 1 | /* readelf.c -- display contents of an ELF format file |
| 2 | Copyright 1998, 1999, 2000, 2001 Free Software Foundation, Inc. |
| 3 | |
| 4 | Originally developed by Eric Youngdale <eric@andante.jic.com> |
| 5 | Modifications by Nick Clifton <nickc@cygnus.com> |
| 6 | |
| 7 | This file is part of GNU Binutils. |
| 8 | |
| 9 | This program is free software; you can redistribute it and/or modify |
| 10 | it under the terms of the GNU General Public License as published by |
| 11 | the Free Software Foundation; either version 2 of the License, or |
| 12 | (at your option) any later version. |
| 13 | |
| 14 | This program is distributed in the hope that it will be useful, |
| 15 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 | GNU General Public License for more details. |
| 18 | |
| 19 | You should have received a copy of the GNU General Public License |
| 20 | along with this program; if not, write to the Free Software |
| 21 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA |
| 22 | 02111-1307, USA. */ |
| 23 | \f |
| 24 | |
| 25 | #include <assert.h> |
| 26 | #include <sys/types.h> |
| 27 | #include <sys/stat.h> |
| 28 | #include <stdio.h> |
| 29 | #include <time.h> |
| 30 | |
| 31 | #if __GNUC__ >= 2 |
| 32 | /* Define BFD64 here, even if our default architecture is 32 bit ELF |
| 33 | as this will allow us to read in and parse 64bit and 32bit ELF files. |
| 34 | Only do this if we belive that the compiler can support a 64 bit |
| 35 | data type. For now we only rely on GCC being able to do this. */ |
| 36 | #define BFD64 |
| 37 | #endif |
| 38 | |
| 39 | #include "bfd.h" |
| 40 | |
| 41 | #include "elf/common.h" |
| 42 | #include "elf/external.h" |
| 43 | #include "elf/internal.h" |
| 44 | #include "elf/dwarf2.h" |
| 45 | |
| 46 | /* The following headers use the elf/reloc-macros.h file to |
| 47 | automatically generate relocation recognition functions |
| 48 | such as elf_mips_reloc_type() */ |
| 49 | |
| 50 | #define RELOC_MACROS_GEN_FUNC |
| 51 | |
| 52 | #include "elf/i386.h" |
| 53 | #include "elf/v850.h" |
| 54 | #include "elf/ppc.h" |
| 55 | #include "elf/mips.h" |
| 56 | #include "elf/alpha.h" |
| 57 | #include "elf/arm.h" |
| 58 | #include "elf/m68k.h" |
| 59 | #include "elf/sparc.h" |
| 60 | #include "elf/m32r.h" |
| 61 | #include "elf/d10v.h" |
| 62 | #include "elf/d30v.h" |
| 63 | #include "elf/sh.h" |
| 64 | #include "elf/mn10200.h" |
| 65 | #include "elf/mn10300.h" |
| 66 | #include "elf/hppa.h" |
| 67 | #include "elf/arc.h" |
| 68 | #include "elf/fr30.h" |
| 69 | #include "elf/mcore.h" |
| 70 | #include "elf/i960.h" |
| 71 | #include "elf/pj.h" |
| 72 | #include "elf/avr.h" |
| 73 | #include "elf/ia64.h" |
| 74 | #include "elf/cris.h" |
| 75 | #include "elf/i860.h" |
| 76 | #include "elf/x86-64.h" |
| 77 | #include "elf/s390.h" |
| 78 | |
| 79 | #include "bucomm.h" |
| 80 | #include "getopt.h" |
| 81 | |
| 82 | char * program_name = "readelf"; |
| 83 | unsigned int dynamic_addr; |
| 84 | bfd_size_type dynamic_size; |
| 85 | unsigned int rela_addr; |
| 86 | unsigned int rela_size; |
| 87 | char * dynamic_strings; |
| 88 | char * string_table; |
| 89 | unsigned long string_table_length; |
| 90 | unsigned long num_dynamic_syms; |
| 91 | Elf_Internal_Sym * dynamic_symbols; |
| 92 | Elf_Internal_Syminfo * dynamic_syminfo; |
| 93 | unsigned long dynamic_syminfo_offset; |
| 94 | unsigned int dynamic_syminfo_nent; |
| 95 | char program_interpreter [64]; |
| 96 | int dynamic_info[DT_JMPREL + 1]; |
| 97 | int version_info[16]; |
| 98 | int loadaddr = 0; |
| 99 | Elf_Internal_Ehdr elf_header; |
| 100 | Elf_Internal_Shdr * section_headers; |
| 101 | Elf_Internal_Dyn * dynamic_segment; |
| 102 | int show_name; |
| 103 | int do_dynamic; |
| 104 | int do_syms; |
| 105 | int do_reloc; |
| 106 | int do_sections; |
| 107 | int do_segments; |
| 108 | int do_unwind; |
| 109 | int do_using_dynamic; |
| 110 | int do_header; |
| 111 | int do_dump; |
| 112 | int do_version; |
| 113 | int do_histogram; |
| 114 | int do_debugging; |
| 115 | int do_debug_info; |
| 116 | int do_debug_abbrevs; |
| 117 | int do_debug_lines; |
| 118 | int do_debug_pubnames; |
| 119 | int do_debug_aranges; |
| 120 | int do_debug_frames; |
| 121 | int do_arch; |
| 122 | int do_notes; |
| 123 | int is_32bit_elf; |
| 124 | |
| 125 | /* A dynamic array of flags indicating which sections require dumping. */ |
| 126 | char * dump_sects = NULL; |
| 127 | unsigned int num_dump_sects = 0; |
| 128 | |
| 129 | #define HEX_DUMP (1 << 0) |
| 130 | #define DISASS_DUMP (1 << 1) |
| 131 | #define DEBUG_DUMP (1 << 2) |
| 132 | |
| 133 | /* How to rpint a vma value. */ |
| 134 | typedef enum print_mode |
| 135 | { |
| 136 | HEX, |
| 137 | DEC, |
| 138 | DEC_5, |
| 139 | UNSIGNED, |
| 140 | PREFIX_HEX, |
| 141 | FULL_HEX, |
| 142 | LONG_HEX |
| 143 | } |
| 144 | print_mode; |
| 145 | |
| 146 | /* Forward declarations for dumb compilers. */ |
| 147 | static void print_vma PARAMS ((bfd_vma, print_mode)); |
| 148 | static bfd_vma (* byte_get) PARAMS ((unsigned char *, int)); |
| 149 | static bfd_vma byte_get_little_endian PARAMS ((unsigned char *, int)); |
| 150 | static bfd_vma byte_get_big_endian PARAMS ((unsigned char *, int)); |
| 151 | static const char * get_mips_dynamic_type PARAMS ((unsigned long)); |
| 152 | static const char * get_sparc64_dynamic_type PARAMS ((unsigned long)); |
| 153 | static const char * get_parisc_dynamic_type PARAMS ((unsigned long)); |
| 154 | static const char * get_dynamic_type PARAMS ((unsigned long)); |
| 155 | static int slurp_rela_relocs PARAMS ((FILE *, unsigned long, unsigned long, Elf_Internal_Rela **, unsigned long *)); |
| 156 | static int slurp_rel_relocs PARAMS ((FILE *, unsigned long, unsigned long, Elf_Internal_Rel **, unsigned long *)); |
| 157 | static int dump_relocations PARAMS ((FILE *, unsigned long, unsigned long, Elf_Internal_Sym *, unsigned long, char *, int)); |
| 158 | static char * get_file_type PARAMS ((unsigned)); |
| 159 | static char * get_machine_name PARAMS ((unsigned)); |
| 160 | static void decode_ARM_machine_flags PARAMS ((unsigned, char [])); |
| 161 | static char * get_machine_flags PARAMS ((unsigned, unsigned)); |
| 162 | static const char * get_mips_segment_type PARAMS ((unsigned long)); |
| 163 | static const char * get_parisc_segment_type PARAMS ((unsigned long)); |
| 164 | static const char * get_ia64_segment_type PARAMS ((unsigned long)); |
| 165 | static const char * get_segment_type PARAMS ((unsigned long)); |
| 166 | static const char * get_mips_section_type_name PARAMS ((unsigned int)); |
| 167 | static const char * get_parisc_section_type_name PARAMS ((unsigned int)); |
| 168 | static const char * get_ia64_section_type_name PARAMS ((unsigned int)); |
| 169 | static const char * get_section_type_name PARAMS ((unsigned int)); |
| 170 | static const char * get_symbol_binding PARAMS ((unsigned int)); |
| 171 | static const char * get_symbol_type PARAMS ((unsigned int)); |
| 172 | static const char * get_symbol_visibility PARAMS ((unsigned int)); |
| 173 | static const char * get_symbol_index_type PARAMS ((unsigned int)); |
| 174 | static const char * get_dynamic_flags PARAMS ((bfd_vma)); |
| 175 | static void usage PARAMS ((void)); |
| 176 | static void parse_args PARAMS ((int, char **)); |
| 177 | static int process_file_header PARAMS ((void)); |
| 178 | static int process_program_headers PARAMS ((FILE *)); |
| 179 | static int process_section_headers PARAMS ((FILE *)); |
| 180 | static int process_unwind PARAMS ((FILE *)); |
| 181 | static void dynamic_segment_mips_val PARAMS ((Elf_Internal_Dyn *)); |
| 182 | static void dynamic_segment_parisc_val PARAMS ((Elf_Internal_Dyn *)); |
| 183 | static int process_dynamic_segment PARAMS ((FILE *)); |
| 184 | static int process_symbol_table PARAMS ((FILE *)); |
| 185 | static int process_section_contents PARAMS ((FILE *)); |
| 186 | static void process_file PARAMS ((char *)); |
| 187 | static int process_relocs PARAMS ((FILE *)); |
| 188 | static int process_version_sections PARAMS ((FILE *)); |
| 189 | static char * get_ver_flags PARAMS ((unsigned int)); |
| 190 | static int get_32bit_section_headers PARAMS ((FILE *)); |
| 191 | static int get_64bit_section_headers PARAMS ((FILE *)); |
| 192 | static int get_32bit_program_headers PARAMS ((FILE *, Elf_Internal_Phdr *)); |
| 193 | static int get_64bit_program_headers PARAMS ((FILE *, Elf_Internal_Phdr *)); |
| 194 | static int get_file_header PARAMS ((FILE *)); |
| 195 | static Elf_Internal_Sym * get_32bit_elf_symbols PARAMS ((FILE *, unsigned long, unsigned long)); |
| 196 | static Elf_Internal_Sym * get_64bit_elf_symbols PARAMS ((FILE *, unsigned long, unsigned long)); |
| 197 | static const char * get_elf_section_flags PARAMS ((bfd_vma)); |
| 198 | static int * get_dynamic_data PARAMS ((FILE *, unsigned int)); |
| 199 | static int get_32bit_dynamic_segment PARAMS ((FILE *)); |
| 200 | static int get_64bit_dynamic_segment PARAMS ((FILE *)); |
| 201 | #ifdef SUPPORT_DISASSEMBLY |
| 202 | static int disassemble_section PARAMS ((Elf32_Internal_Shdr *, FILE *)); |
| 203 | #endif |
| 204 | static int dump_section PARAMS ((Elf32_Internal_Shdr *, FILE *)); |
| 205 | static int display_debug_section PARAMS ((Elf32_Internal_Shdr *, FILE *)); |
| 206 | static int display_debug_info PARAMS ((Elf32_Internal_Shdr *, unsigned char *, FILE *)); |
| 207 | static int display_debug_not_supported PARAMS ((Elf32_Internal_Shdr *, unsigned char *, FILE *)); |
| 208 | static int display_debug_lines PARAMS ((Elf32_Internal_Shdr *, unsigned char *, FILE *)); |
| 209 | static int display_debug_abbrev PARAMS ((Elf32_Internal_Shdr *, unsigned char *, FILE *)); |
| 210 | static int display_debug_aranges PARAMS ((Elf32_Internal_Shdr *, unsigned char *, FILE *)); |
| 211 | static int display_debug_frames PARAMS ((Elf32_Internal_Shdr *, unsigned char *, FILE *)); |
| 212 | static unsigned char * process_abbrev_section PARAMS ((unsigned char *, unsigned char *)); |
| 213 | static unsigned long read_leb128 PARAMS ((unsigned char *, int *, int)); |
| 214 | static int process_extended_line_op PARAMS ((unsigned char *, int, int)); |
| 215 | static void reset_state_machine PARAMS ((int)); |
| 216 | static char * get_TAG_name PARAMS ((unsigned long)); |
| 217 | static char * get_AT_name PARAMS ((unsigned long)); |
| 218 | static char * get_FORM_name PARAMS ((unsigned long)); |
| 219 | static void free_abbrevs PARAMS ((void)); |
| 220 | static void add_abbrev PARAMS ((unsigned long, unsigned long, int)); |
| 221 | static void add_abbrev_attr PARAMS ((unsigned long, unsigned long)); |
| 222 | static unsigned char * read_and_display_attr PARAMS ((unsigned long, unsigned long, unsigned char *, unsigned long, unsigned long)); |
| 223 | static unsigned char * display_block PARAMS ((unsigned char *, unsigned long)); |
| 224 | static void decode_location_expression PARAMS ((unsigned char *, unsigned int, unsigned long)); |
| 225 | static void request_dump PARAMS ((unsigned int, char)); |
| 226 | static const char * get_elf_class PARAMS ((unsigned char)); |
| 227 | static const char * get_data_encoding PARAMS ((unsigned char)); |
| 228 | static const char * get_osabi_name PARAMS ((unsigned char)); |
| 229 | static int guess_is_rela PARAMS ((unsigned long)); |
| 230 | static char * get_note_type PARAMS ((unsigned int)); |
| 231 | static int process_note PARAMS ((Elf32_Internal_Note *)); |
| 232 | static int process_corefile_note_segment PARAMS ((FILE *, bfd_vma, bfd_vma)); |
| 233 | static int process_corefile_note_segments PARAMS ((FILE *)); |
| 234 | static int process_corefile_contents PARAMS ((FILE *)); |
| 235 | |
| 236 | typedef int Elf32_Word; |
| 237 | |
| 238 | #ifndef TRUE |
| 239 | #define TRUE 1 |
| 240 | #define FALSE 0 |
| 241 | #endif |
| 242 | #define UNKNOWN -1 |
| 243 | |
| 244 | #define SECTION_NAME(X) ((X) == NULL ? "<none>" : \ |
| 245 | ((X)->sh_name >= string_table_length \ |
| 246 | ? "<corrupt>" : string_table + (X)->sh_name)) |
| 247 | |
| 248 | #define DT_VERSIONTAGIDX(tag) (DT_VERNEEDNUM - (tag)) /* Reverse order! */ |
| 249 | |
| 250 | #define BYTE_GET(field) byte_get (field, sizeof (field)) |
| 251 | |
| 252 | /* If we can support a 64 bit data type then BFD64 should be defined |
| 253 | and sizeof (bfd_vma) == 8. In this case when translating from an |
| 254 | external 8 byte field to an internal field, we can assume that the |
| 255 | internal field is also 8 bytes wide and so we can extract all the data. |
| 256 | If, however, BFD64 is not defined, then we must assume that the |
| 257 | internal data structure only has 4 byte wide fields that are the |
| 258 | equivalent of the 8 byte wide external counterparts, and so we must |
| 259 | truncate the data. */ |
| 260 | #ifdef BFD64 |
| 261 | #define BYTE_GET8(field) byte_get (field, -8) |
| 262 | #else |
| 263 | #define BYTE_GET8(field) byte_get (field, 8) |
| 264 | #endif |
| 265 | |
| 266 | #define NUM_ELEM(array) (sizeof (array) / sizeof ((array)[0])) |
| 267 | |
| 268 | #define GET_DATA_ALLOC(offset, size, var, type, reason) \ |
| 269 | if (fseek (file, offset, SEEK_SET)) \ |
| 270 | { \ |
| 271 | error (_("Unable to seek to start of %s at %x\n"), reason, offset); \ |
| 272 | return 0; \ |
| 273 | } \ |
| 274 | \ |
| 275 | var = (type) malloc (size); \ |
| 276 | \ |
| 277 | if (var == NULL) \ |
| 278 | { \ |
| 279 | error (_("Out of memory allocating %d bytes for %s\n"), size, reason); \ |
| 280 | return 0; \ |
| 281 | } \ |
| 282 | \ |
| 283 | if (fread (var, size, 1, file) != 1) \ |
| 284 | { \ |
| 285 | error (_("Unable to read in %d bytes of %s\n"), size, reason); \ |
| 286 | free (var); \ |
| 287 | var = NULL; \ |
| 288 | return 0; \ |
| 289 | } |
| 290 | |
| 291 | |
| 292 | #define GET_DATA(offset, var, reason) \ |
| 293 | if (fseek (file, offset, SEEK_SET)) \ |
| 294 | { \ |
| 295 | error (_("Unable to seek to %x for %s\n"), offset, reason); \ |
| 296 | return 0; \ |
| 297 | } \ |
| 298 | else if (fread (& var, sizeof (var), 1, file) != 1) \ |
| 299 | { \ |
| 300 | error (_("Unable to read data at %x for %s\n"), offset, reason); \ |
| 301 | return 0; \ |
| 302 | } |
| 303 | |
| 304 | #define GET_ELF_SYMBOLS(file, offset, size) \ |
| 305 | (is_32bit_elf ? get_32bit_elf_symbols (file, offset, size) \ |
| 306 | : get_64bit_elf_symbols (file, offset, size)) |
| 307 | |
| 308 | |
| 309 | #ifdef ANSI_PROTOTYPES |
| 310 | static void |
| 311 | error (const char * message, ...) |
| 312 | { |
| 313 | va_list args; |
| 314 | |
| 315 | fprintf (stderr, _("%s: Error: "), program_name); |
| 316 | va_start (args, message); |
| 317 | vfprintf (stderr, message, args); |
| 318 | va_end (args); |
| 319 | return; |
| 320 | } |
| 321 | |
| 322 | static void |
| 323 | warn (const char * message, ...) |
| 324 | { |
| 325 | va_list args; |
| 326 | |
| 327 | fprintf (stderr, _("%s: Warning: "), program_name); |
| 328 | va_start (args, message); |
| 329 | vfprintf (stderr, message, args); |
| 330 | va_end (args); |
| 331 | return; |
| 332 | } |
| 333 | #else |
| 334 | static void |
| 335 | error (va_alist) |
| 336 | va_dcl |
| 337 | { |
| 338 | char * message; |
| 339 | va_list args; |
| 340 | |
| 341 | fprintf (stderr, _("%s: Error: "), program_name); |
| 342 | va_start (args); |
| 343 | message = va_arg (args, char *); |
| 344 | vfprintf (stderr, message, args); |
| 345 | va_end (args); |
| 346 | return; |
| 347 | } |
| 348 | |
| 349 | static void |
| 350 | warn (va_alist) |
| 351 | va_dcl |
| 352 | { |
| 353 | char * message; |
| 354 | va_list args; |
| 355 | |
| 356 | fprintf (stderr, _("%s: Warning: "), program_name); |
| 357 | va_start (args); |
| 358 | message = va_arg (args, char *); |
| 359 | vfprintf (stderr, message, args); |
| 360 | va_end (args); |
| 361 | return; |
| 362 | } |
| 363 | #endif |
| 364 | |
| 365 | static bfd_vma |
| 366 | byte_get_little_endian (field, size) |
| 367 | unsigned char * field; |
| 368 | int size; |
| 369 | { |
| 370 | switch (size) |
| 371 | { |
| 372 | case 1: |
| 373 | return * field; |
| 374 | |
| 375 | case 2: |
| 376 | return ((unsigned int) (field [0])) |
| 377 | | (((unsigned int) (field [1])) << 8); |
| 378 | |
| 379 | case 8: |
| 380 | /* We want to extract data from an 8 byte wide field and |
| 381 | place it into a 4 byte wide field. Since this is a little |
| 382 | endian source we can juts use the 4 byte extraction code. */ |
| 383 | /* Fall through. */ |
| 384 | case 4: |
| 385 | return ((unsigned long) (field [0])) |
| 386 | | (((unsigned long) (field [1])) << 8) |
| 387 | | (((unsigned long) (field [2])) << 16) |
| 388 | | (((unsigned long) (field [3])) << 24); |
| 389 | |
| 390 | #ifdef BFD64 |
| 391 | case -8: |
| 392 | /* This is a special case, generated by the BYTE_GET8 macro. |
| 393 | It means that we are loading an 8 byte value from a field |
| 394 | in an external structure into an 8 byte value in a field |
| 395 | in an internal strcuture. */ |
| 396 | return ((bfd_vma) (field [0])) |
| 397 | | (((bfd_vma) (field [1])) << 8) |
| 398 | | (((bfd_vma) (field [2])) << 16) |
| 399 | | (((bfd_vma) (field [3])) << 24) |
| 400 | | (((bfd_vma) (field [4])) << 32) |
| 401 | | (((bfd_vma) (field [5])) << 40) |
| 402 | | (((bfd_vma) (field [6])) << 48) |
| 403 | | (((bfd_vma) (field [7])) << 56); |
| 404 | #endif |
| 405 | default: |
| 406 | error (_("Unhandled data length: %d\n"), size); |
| 407 | abort (); |
| 408 | } |
| 409 | } |
| 410 | |
| 411 | /* Print a VMA value. */ |
| 412 | static void |
| 413 | print_vma (vma, mode) |
| 414 | bfd_vma vma; |
| 415 | print_mode mode; |
| 416 | { |
| 417 | #ifdef BFD64 |
| 418 | if (is_32bit_elf) |
| 419 | #endif |
| 420 | { |
| 421 | switch (mode) |
| 422 | { |
| 423 | case FULL_HEX: printf ("0x"); /* drop through */ |
| 424 | case LONG_HEX: printf ("%8.8lx", (unsigned long) vma); break; |
| 425 | case PREFIX_HEX: printf ("0x"); /* drop through */ |
| 426 | case HEX: printf ("%lx", (unsigned long) vma); break; |
| 427 | case DEC: printf ("%ld", (unsigned long) vma); break; |
| 428 | case DEC_5: printf ("%5ld", (long) vma); break; |
| 429 | case UNSIGNED: printf ("%lu", (unsigned long) vma); break; |
| 430 | } |
| 431 | } |
| 432 | #ifdef BFD64 |
| 433 | else |
| 434 | { |
| 435 | switch (mode) |
| 436 | { |
| 437 | case FULL_HEX: |
| 438 | printf ("0x"); |
| 439 | /* drop through */ |
| 440 | |
| 441 | case LONG_HEX: |
| 442 | printf_vma (vma); |
| 443 | break; |
| 444 | |
| 445 | case PREFIX_HEX: |
| 446 | printf ("0x"); |
| 447 | /* drop through */ |
| 448 | |
| 449 | case HEX: |
| 450 | #if BFD_HOST_64BIT_LONG |
| 451 | printf ("%lx", vma); |
| 452 | #else |
| 453 | if (_bfd_int64_high (vma)) |
| 454 | printf ("%lx%lx", _bfd_int64_high (vma), _bfd_int64_low (vma)); |
| 455 | else |
| 456 | printf ("%lx", _bfd_int64_low (vma)); |
| 457 | #endif |
| 458 | break; |
| 459 | |
| 460 | case DEC: |
| 461 | #if BFD_HOST_64BIT_LONG |
| 462 | printf ("%ld", vma); |
| 463 | #else |
| 464 | if (_bfd_int64_high (vma)) |
| 465 | /* ugg */ |
| 466 | printf ("++%ld", _bfd_int64_low (vma)); |
| 467 | else |
| 468 | printf ("%ld", _bfd_int64_low (vma)); |
| 469 | #endif |
| 470 | break; |
| 471 | |
| 472 | case DEC_5: |
| 473 | #if BFD_HOST_64BIT_LONG |
| 474 | printf ("%5ld", vma); |
| 475 | #else |
| 476 | if (_bfd_int64_high (vma)) |
| 477 | /* ugg */ |
| 478 | printf ("++%ld", _bfd_int64_low (vma)); |
| 479 | else |
| 480 | printf ("%5ld", _bfd_int64_low (vma)); |
| 481 | #endif |
| 482 | break; |
| 483 | |
| 484 | case UNSIGNED: |
| 485 | #if BFD_HOST_64BIT_LONG |
| 486 | printf ("%lu", vma); |
| 487 | #else |
| 488 | if (_bfd_int64_high (vma)) |
| 489 | /* ugg */ |
| 490 | printf ("++%lu", _bfd_int64_low (vma)); |
| 491 | else |
| 492 | printf ("%lu", _bfd_int64_low (vma)); |
| 493 | #endif |
| 494 | break; |
| 495 | } |
| 496 | } |
| 497 | #endif |
| 498 | } |
| 499 | |
| 500 | static bfd_vma |
| 501 | byte_get_big_endian (field, size) |
| 502 | unsigned char * field; |
| 503 | int size; |
| 504 | { |
| 505 | switch (size) |
| 506 | { |
| 507 | case 1: |
| 508 | return * field; |
| 509 | |
| 510 | case 2: |
| 511 | return ((unsigned int) (field [1])) | (((int) (field [0])) << 8); |
| 512 | |
| 513 | case 4: |
| 514 | return ((unsigned long) (field [3])) |
| 515 | | (((unsigned long) (field [2])) << 8) |
| 516 | | (((unsigned long) (field [1])) << 16) |
| 517 | | (((unsigned long) (field [0])) << 24); |
| 518 | |
| 519 | case 8: |
| 520 | /* Although we are extracing data from an 8 byte wide field, we |
| 521 | are returning only 4 bytes of data. */ |
| 522 | return ((unsigned long) (field [7])) |
| 523 | | (((unsigned long) (field [6])) << 8) |
| 524 | | (((unsigned long) (field [5])) << 16) |
| 525 | | (((unsigned long) (field [4])) << 24); |
| 526 | |
| 527 | #ifdef BFD64 |
| 528 | case -8: |
| 529 | /* This is a special case, generated by the BYTE_GET8 macro. |
| 530 | It means that we are loading an 8 byte value from a field |
| 531 | in an external structure into an 8 byte value in a field |
| 532 | in an internal strcuture. */ |
| 533 | return ((bfd_vma) (field [7])) |
| 534 | | (((bfd_vma) (field [6])) << 8) |
| 535 | | (((bfd_vma) (field [5])) << 16) |
| 536 | | (((bfd_vma) (field [4])) << 24) |
| 537 | | (((bfd_vma) (field [3])) << 32) |
| 538 | | (((bfd_vma) (field [2])) << 40) |
| 539 | | (((bfd_vma) (field [1])) << 48) |
| 540 | | (((bfd_vma) (field [0])) << 56); |
| 541 | #endif |
| 542 | |
| 543 | default: |
| 544 | error (_("Unhandled data length: %d\n"), size); |
| 545 | abort (); |
| 546 | } |
| 547 | } |
| 548 | |
| 549 | /* Guess the relocation size commonly used by the specific machines. */ |
| 550 | |
| 551 | static int |
| 552 | guess_is_rela (e_machine) |
| 553 | unsigned long e_machine; |
| 554 | { |
| 555 | switch (e_machine) |
| 556 | { |
| 557 | /* Targets that use REL relocations. */ |
| 558 | case EM_ARM: |
| 559 | case EM_386: |
| 560 | case EM_486: |
| 561 | case EM_960: |
| 562 | case EM_CYGNUS_M32R: |
| 563 | case EM_CYGNUS_D10V: |
| 564 | case EM_MIPS: |
| 565 | case EM_MIPS_RS4_BE: |
| 566 | return FALSE; |
| 567 | |
| 568 | /* Targets that use RELA relocations. */ |
| 569 | case EM_68K: |
| 570 | case EM_SPARC32PLUS: |
| 571 | case EM_SPARCV9: |
| 572 | case EM_SPARC: |
| 573 | case EM_PPC: |
| 574 | case EM_CYGNUS_V850: |
| 575 | case EM_CYGNUS_D30V: |
| 576 | case EM_CYGNUS_MN10200: |
| 577 | case EM_CYGNUS_MN10300: |
| 578 | case EM_CYGNUS_FR30: |
| 579 | case EM_SH: |
| 580 | case EM_ALPHA: |
| 581 | case EM_MCORE: |
| 582 | case EM_IA_64: |
| 583 | case EM_AVR: |
| 584 | case EM_CRIS: |
| 585 | case EM_860: |
| 586 | case EM_X86_64: |
| 587 | case EM_S390: |
| 588 | case EM_S390_OLD: |
| 589 | return TRUE; |
| 590 | |
| 591 | case EM_MMA: |
| 592 | case EM_PCP: |
| 593 | case EM_NCPU: |
| 594 | case EM_NDR1: |
| 595 | case EM_STARCORE: |
| 596 | case EM_ME16: |
| 597 | case EM_ST100: |
| 598 | case EM_TINYJ: |
| 599 | case EM_FX66: |
| 600 | case EM_ST9PLUS: |
| 601 | case EM_ST7: |
| 602 | case EM_68HC16: |
| 603 | case EM_68HC11: |
| 604 | case EM_68HC08: |
| 605 | case EM_68HC05: |
| 606 | case EM_SVX: |
| 607 | case EM_ST19: |
| 608 | case EM_VAX: |
| 609 | default: |
| 610 | warn (_("Don't know about relocations on this machine architecture\n")); |
| 611 | return FALSE; |
| 612 | } |
| 613 | } |
| 614 | |
| 615 | static int |
| 616 | slurp_rela_relocs (file, rel_offset, rel_size, relasp, nrelasp) |
| 617 | FILE *file; |
| 618 | unsigned long rel_offset; |
| 619 | unsigned long rel_size; |
| 620 | Elf_Internal_Rela **relasp; |
| 621 | unsigned long *nrelasp; |
| 622 | { |
| 623 | Elf_Internal_Rela *relas; |
| 624 | unsigned long nrelas; |
| 625 | unsigned int i; |
| 626 | |
| 627 | if (is_32bit_elf) |
| 628 | { |
| 629 | Elf32_External_Rela * erelas; |
| 630 | |
| 631 | GET_DATA_ALLOC (rel_offset, rel_size, erelas, |
| 632 | Elf32_External_Rela *, "relocs"); |
| 633 | |
| 634 | nrelas = rel_size / sizeof (Elf32_External_Rela); |
| 635 | |
| 636 | relas = (Elf_Internal_Rela *) |
| 637 | malloc (nrelas * sizeof (Elf_Internal_Rela)); |
| 638 | |
| 639 | if (relas == NULL) |
| 640 | { |
| 641 | error(_("out of memory parsing relocs")); |
| 642 | return 0; |
| 643 | } |
| 644 | |
| 645 | for (i = 0; i < nrelas; i++) |
| 646 | { |
| 647 | relas[i].r_offset = BYTE_GET (erelas[i].r_offset); |
| 648 | relas[i].r_info = BYTE_GET (erelas[i].r_info); |
| 649 | relas[i].r_addend = BYTE_GET (erelas[i].r_addend); |
| 650 | } |
| 651 | |
| 652 | free (erelas); |
| 653 | } |
| 654 | else |
| 655 | { |
| 656 | Elf64_External_Rela * erelas; |
| 657 | |
| 658 | GET_DATA_ALLOC (rel_offset, rel_size, erelas, |
| 659 | Elf64_External_Rela *, "relocs"); |
| 660 | |
| 661 | nrelas = rel_size / sizeof (Elf64_External_Rela); |
| 662 | |
| 663 | relas = (Elf_Internal_Rela *) |
| 664 | malloc (nrelas * sizeof (Elf_Internal_Rela)); |
| 665 | |
| 666 | if (relas == NULL) |
| 667 | { |
| 668 | error(_("out of memory parsing relocs")); |
| 669 | return 0; |
| 670 | } |
| 671 | |
| 672 | for (i = 0; i < nrelas; i++) |
| 673 | { |
| 674 | relas[i].r_offset = BYTE_GET8 (erelas[i].r_offset); |
| 675 | relas[i].r_info = BYTE_GET8 (erelas[i].r_info); |
| 676 | relas[i].r_addend = BYTE_GET8 (erelas[i].r_addend); |
| 677 | } |
| 678 | |
| 679 | free (erelas); |
| 680 | } |
| 681 | *relasp = relas; |
| 682 | *nrelasp = nrelas; |
| 683 | return 1; |
| 684 | } |
| 685 | |
| 686 | static int |
| 687 | slurp_rel_relocs (file, rel_offset, rel_size, relsp, nrelsp) |
| 688 | FILE *file; |
| 689 | unsigned long rel_offset; |
| 690 | unsigned long rel_size; |
| 691 | Elf_Internal_Rel **relsp; |
| 692 | unsigned long *nrelsp; |
| 693 | { |
| 694 | Elf_Internal_Rel *rels; |
| 695 | unsigned long nrels; |
| 696 | unsigned int i; |
| 697 | |
| 698 | if (is_32bit_elf) |
| 699 | { |
| 700 | Elf32_External_Rel * erels; |
| 701 | |
| 702 | GET_DATA_ALLOC (rel_offset, rel_size, erels, |
| 703 | Elf32_External_Rel *, "relocs"); |
| 704 | |
| 705 | nrels = rel_size / sizeof (Elf32_External_Rel); |
| 706 | |
| 707 | rels = (Elf_Internal_Rel *) malloc (nrels * sizeof (Elf_Internal_Rel)); |
| 708 | |
| 709 | if (rels == NULL) |
| 710 | { |
| 711 | error(_("out of memory parsing relocs")); |
| 712 | return 0; |
| 713 | } |
| 714 | |
| 715 | for (i = 0; i < nrels; i++) |
| 716 | { |
| 717 | rels[i].r_offset = BYTE_GET (erels[i].r_offset); |
| 718 | rels[i].r_info = BYTE_GET (erels[i].r_info); |
| 719 | } |
| 720 | |
| 721 | free (erels); |
| 722 | } |
| 723 | else |
| 724 | { |
| 725 | Elf64_External_Rel * erels; |
| 726 | |
| 727 | GET_DATA_ALLOC (rel_offset, rel_size, erels, |
| 728 | Elf64_External_Rel *, "relocs"); |
| 729 | |
| 730 | nrels = rel_size / sizeof (Elf64_External_Rel); |
| 731 | |
| 732 | rels = (Elf_Internal_Rel *) malloc (nrels * sizeof (Elf_Internal_Rel)); |
| 733 | |
| 734 | if (rels == NULL) |
| 735 | { |
| 736 | error(_("out of memory parsing relocs")); |
| 737 | return 0; |
| 738 | } |
| 739 | |
| 740 | for (i = 0; i < nrels; i++) |
| 741 | { |
| 742 | rels[i].r_offset = BYTE_GET8 (erels[i].r_offset); |
| 743 | rels[i].r_info = BYTE_GET8 (erels[i].r_info); |
| 744 | } |
| 745 | |
| 746 | free (erels); |
| 747 | } |
| 748 | *relsp = rels; |
| 749 | *nrelsp = nrels; |
| 750 | return 1; |
| 751 | } |
| 752 | |
| 753 | /* Display the contents of the relocation data found at the specified offset. */ |
| 754 | static int |
| 755 | dump_relocations (file, rel_offset, rel_size, symtab, nsyms, strtab, is_rela) |
| 756 | FILE * file; |
| 757 | unsigned long rel_offset; |
| 758 | unsigned long rel_size; |
| 759 | Elf_Internal_Sym * symtab; |
| 760 | unsigned long nsyms; |
| 761 | char * strtab; |
| 762 | int is_rela; |
| 763 | { |
| 764 | unsigned int i; |
| 765 | Elf_Internal_Rel * rels; |
| 766 | Elf_Internal_Rela * relas; |
| 767 | |
| 768 | |
| 769 | if (is_rela == UNKNOWN) |
| 770 | is_rela = guess_is_rela (elf_header.e_machine); |
| 771 | |
| 772 | if (is_rela) |
| 773 | { |
| 774 | if (!slurp_rela_relocs (file, rel_offset, rel_size, &relas, &rel_size)) |
| 775 | return 0; |
| 776 | } |
| 777 | else |
| 778 | { |
| 779 | if (!slurp_rel_relocs (file, rel_offset, rel_size, &rels, &rel_size)) |
| 780 | return 0; |
| 781 | } |
| 782 | |
| 783 | if (is_rela) |
| 784 | printf |
| 785 | (_(" Offset Info Type Symbol's Value Symbol's Name Addend\n")); |
| 786 | else |
| 787 | printf |
| 788 | (_(" Offset Info Type Symbol's Value Symbol's Name\n")); |
| 789 | |
| 790 | for (i = 0; i < rel_size; i++) |
| 791 | { |
| 792 | const char * rtype; |
| 793 | bfd_vma offset; |
| 794 | bfd_vma info; |
| 795 | bfd_vma symtab_index; |
| 796 | bfd_vma type; |
| 797 | |
| 798 | if (is_rela) |
| 799 | { |
| 800 | offset = relas [i].r_offset; |
| 801 | info = relas [i].r_info; |
| 802 | } |
| 803 | else |
| 804 | { |
| 805 | offset = rels [i].r_offset; |
| 806 | info = rels [i].r_info; |
| 807 | } |
| 808 | |
| 809 | if (is_32bit_elf) |
| 810 | { |
| 811 | type = ELF32_R_TYPE (info); |
| 812 | symtab_index = ELF32_R_SYM (info); |
| 813 | } |
| 814 | else |
| 815 | { |
| 816 | if (elf_header.e_machine == EM_SPARCV9) |
| 817 | type = ELF64_R_TYPE_ID (info); |
| 818 | else |
| 819 | type = ELF64_R_TYPE (info); |
| 820 | /* The #ifdef BFD64 below is to prevent a compile time warning. |
| 821 | We know that if we do not have a 64 bit data type that we |
| 822 | will never execute this code anyway. */ |
| 823 | #ifdef BFD64 |
| 824 | symtab_index = ELF64_R_SYM (info); |
| 825 | #endif |
| 826 | } |
| 827 | |
| 828 | #ifdef _bfd_int64_low |
| 829 | printf (" %8.8lx %5.5lx ", _bfd_int64_low (offset), _bfd_int64_low (info)); |
| 830 | #else |
| 831 | printf (" %8.8lx %5.5lx ", offset, info); |
| 832 | #endif |
| 833 | |
| 834 | switch (elf_header.e_machine) |
| 835 | { |
| 836 | default: |
| 837 | rtype = NULL; |
| 838 | break; |
| 839 | |
| 840 | case EM_CYGNUS_M32R: |
| 841 | rtype = elf_m32r_reloc_type (type); |
| 842 | break; |
| 843 | |
| 844 | case EM_386: |
| 845 | case EM_486: |
| 846 | rtype = elf_i386_reloc_type (type); |
| 847 | break; |
| 848 | |
| 849 | case EM_68K: |
| 850 | rtype = elf_m68k_reloc_type (type); |
| 851 | break; |
| 852 | |
| 853 | case EM_960: |
| 854 | rtype = elf_i960_reloc_type (type); |
| 855 | break; |
| 856 | |
| 857 | case EM_AVR: |
| 858 | rtype = elf_avr_reloc_type (type); |
| 859 | break; |
| 860 | |
| 861 | case EM_OLD_SPARCV9: |
| 862 | case EM_SPARC32PLUS: |
| 863 | case EM_SPARCV9: |
| 864 | case EM_SPARC: |
| 865 | rtype = elf_sparc_reloc_type (type); |
| 866 | break; |
| 867 | |
| 868 | case EM_CYGNUS_V850: |
| 869 | rtype = v850_reloc_type (type); |
| 870 | break; |
| 871 | |
| 872 | case EM_CYGNUS_D10V: |
| 873 | rtype = elf_d10v_reloc_type (type); |
| 874 | break; |
| 875 | |
| 876 | case EM_CYGNUS_D30V: |
| 877 | rtype = elf_d30v_reloc_type (type); |
| 878 | break; |
| 879 | |
| 880 | case EM_SH: |
| 881 | rtype = elf_sh_reloc_type (type); |
| 882 | break; |
| 883 | |
| 884 | case EM_CYGNUS_MN10300: |
| 885 | rtype = elf_mn10300_reloc_type (type); |
| 886 | break; |
| 887 | |
| 888 | case EM_CYGNUS_MN10200: |
| 889 | rtype = elf_mn10200_reloc_type (type); |
| 890 | break; |
| 891 | |
| 892 | case EM_CYGNUS_FR30: |
| 893 | rtype = elf_fr30_reloc_type (type); |
| 894 | break; |
| 895 | |
| 896 | case EM_MCORE: |
| 897 | rtype = elf_mcore_reloc_type (type); |
| 898 | break; |
| 899 | |
| 900 | case EM_PPC: |
| 901 | rtype = elf_ppc_reloc_type (type); |
| 902 | break; |
| 903 | |
| 904 | case EM_MIPS: |
| 905 | case EM_MIPS_RS4_BE: |
| 906 | rtype = elf_mips_reloc_type (type); |
| 907 | break; |
| 908 | |
| 909 | case EM_ALPHA: |
| 910 | rtype = elf_alpha_reloc_type (type); |
| 911 | break; |
| 912 | |
| 913 | case EM_ARM: |
| 914 | rtype = elf_arm_reloc_type (type); |
| 915 | break; |
| 916 | |
| 917 | case EM_CYGNUS_ARC: |
| 918 | case EM_ARC: |
| 919 | rtype = elf_arc_reloc_type (type); |
| 920 | break; |
| 921 | |
| 922 | case EM_PARISC: |
| 923 | rtype = elf_hppa_reloc_type (type); |
| 924 | break; |
| 925 | |
| 926 | case EM_PJ: |
| 927 | rtype = elf_pj_reloc_type (type); |
| 928 | break; |
| 929 | case EM_IA_64: |
| 930 | rtype = elf_ia64_reloc_type (type); |
| 931 | break; |
| 932 | |
| 933 | case EM_CRIS: |
| 934 | rtype = elf_cris_reloc_type (type); |
| 935 | break; |
| 936 | |
| 937 | case EM_860: |
| 938 | rtype = elf_i860_reloc_type (type); |
| 939 | break; |
| 940 | |
| 941 | case EM_X86_64: |
| 942 | rtype = elf_x86_64_reloc_type (type); |
| 943 | break; |
| 944 | |
| 945 | case EM_S390_OLD: |
| 946 | case EM_S390: |
| 947 | rtype = elf_s390_reloc_type (type); |
| 948 | break; |
| 949 | } |
| 950 | |
| 951 | if (rtype == NULL) |
| 952 | #ifdef _bfd_int64_low |
| 953 | printf (_("unrecognised: %-7lx"), _bfd_int64_low (type)); |
| 954 | #else |
| 955 | printf (_("unrecognised: %-7lx"), type); |
| 956 | #endif |
| 957 | else |
| 958 | printf ("%-21.21s", rtype); |
| 959 | |
| 960 | if (symtab_index) |
| 961 | { |
| 962 | if (symtab != NULL) |
| 963 | { |
| 964 | if (symtab_index >= nsyms) |
| 965 | printf (" bad symbol index: %08lx", (unsigned long) symtab_index); |
| 966 | else |
| 967 | { |
| 968 | Elf_Internal_Sym * psym; |
| 969 | |
| 970 | psym = symtab + symtab_index; |
| 971 | |
| 972 | printf (" "); |
| 973 | print_vma (psym->st_value, LONG_HEX); |
| 974 | printf (" "); |
| 975 | |
| 976 | if (psym->st_name == 0) |
| 977 | printf ("%-25.25s", |
| 978 | SECTION_NAME (section_headers + psym->st_shndx)); |
| 979 | else if (strtab == NULL) |
| 980 | printf (_("<string table index %3ld>"), psym->st_name); |
| 981 | else |
| 982 | printf ("%-25.25s", strtab + psym->st_name); |
| 983 | |
| 984 | if (is_rela) |
| 985 | printf (" + %lx", (unsigned long) relas [i].r_addend); |
| 986 | } |
| 987 | } |
| 988 | } |
| 989 | else if (is_rela) |
| 990 | { |
| 991 | printf ("%*c", is_32bit_elf ? 34 : 26, ' '); |
| 992 | print_vma (relas[i].r_addend, LONG_HEX); |
| 993 | } |
| 994 | |
| 995 | if (elf_header.e_machine == EM_SPARCV9 |
| 996 | && !strcmp (rtype, "R_SPARC_OLO10")) |
| 997 | printf (" + %lx", (unsigned long) ELF64_R_TYPE_DATA (info)); |
| 998 | |
| 999 | putchar ('\n'); |
| 1000 | } |
| 1001 | |
| 1002 | if (is_rela) |
| 1003 | free (relas); |
| 1004 | else |
| 1005 | free (rels); |
| 1006 | |
| 1007 | return 1; |
| 1008 | } |
| 1009 | |
| 1010 | static const char * |
| 1011 | get_mips_dynamic_type (type) |
| 1012 | unsigned long type; |
| 1013 | { |
| 1014 | switch (type) |
| 1015 | { |
| 1016 | case DT_MIPS_RLD_VERSION: return "MIPS_RLD_VERSION"; |
| 1017 | case DT_MIPS_TIME_STAMP: return "MIPS_TIME_STAMP"; |
| 1018 | case DT_MIPS_ICHECKSUM: return "MIPS_ICHECKSUM"; |
| 1019 | case DT_MIPS_IVERSION: return "MIPS_IVERSION"; |
| 1020 | case DT_MIPS_FLAGS: return "MIPS_FLAGS"; |
| 1021 | case DT_MIPS_BASE_ADDRESS: return "MIPS_BASE_ADDRESS"; |
| 1022 | case DT_MIPS_MSYM: return "MIPS_MSYM"; |
| 1023 | case DT_MIPS_CONFLICT: return "MIPS_CONFLICT"; |
| 1024 | case DT_MIPS_LIBLIST: return "MIPS_LIBLIST"; |
| 1025 | case DT_MIPS_LOCAL_GOTNO: return "MIPS_LOCAL_GOTNO"; |
| 1026 | case DT_MIPS_CONFLICTNO: return "MIPS_CONFLICTNO"; |
| 1027 | case DT_MIPS_LIBLISTNO: return "MIPS_LIBLISTNO"; |
| 1028 | case DT_MIPS_SYMTABNO: return "MIPS_SYMTABNO"; |
| 1029 | case DT_MIPS_UNREFEXTNO: return "MIPS_UNREFEXTNO"; |
| 1030 | case DT_MIPS_GOTSYM: return "MIPS_GOTSYM"; |
| 1031 | case DT_MIPS_HIPAGENO: return "MIPS_HIPAGENO"; |
| 1032 | case DT_MIPS_RLD_MAP: return "MIPS_RLD_MAP"; |
| 1033 | case DT_MIPS_DELTA_CLASS: return "MIPS_DELTA_CLASS"; |
| 1034 | case DT_MIPS_DELTA_CLASS_NO: return "MIPS_DELTA_CLASS_NO"; |
| 1035 | case DT_MIPS_DELTA_INSTANCE: return "MIPS_DELTA_INSTANCE"; |
| 1036 | case DT_MIPS_DELTA_INSTANCE_NO: return "MIPS_DELTA_INSTANCE_NO"; |
| 1037 | case DT_MIPS_DELTA_RELOC: return "MIPS_DELTA_RELOC"; |
| 1038 | case DT_MIPS_DELTA_RELOC_NO: return "MIPS_DELTA_RELOC_NO"; |
| 1039 | case DT_MIPS_DELTA_SYM: return "MIPS_DELTA_SYM"; |
| 1040 | case DT_MIPS_DELTA_SYM_NO: return "MIPS_DELTA_SYM_NO"; |
| 1041 | case DT_MIPS_DELTA_CLASSSYM: return "MIPS_DELTA_CLASSSYM"; |
| 1042 | case DT_MIPS_DELTA_CLASSSYM_NO: return "MIPS_DELTA_CLASSSYM_NO"; |
| 1043 | case DT_MIPS_CXX_FLAGS: return "MIPS_CXX_FLAGS"; |
| 1044 | case DT_MIPS_PIXIE_INIT: return "MIPS_PIXIE_INIT"; |
| 1045 | case DT_MIPS_SYMBOL_LIB: return "MIPS_SYMBOL_LIB"; |
| 1046 | case DT_MIPS_LOCALPAGE_GOTIDX: return "MIPS_LOCALPAGE_GOTIDX"; |
| 1047 | case DT_MIPS_LOCAL_GOTIDX: return "MIPS_LOCAL_GOTIDX"; |
| 1048 | case DT_MIPS_HIDDEN_GOTIDX: return "MIPS_HIDDEN_GOTIDX"; |
| 1049 | case DT_MIPS_PROTECTED_GOTIDX: return "MIPS_PROTECTED_GOTIDX"; |
| 1050 | case DT_MIPS_OPTIONS: return "MIPS_OPTIONS"; |
| 1051 | case DT_MIPS_INTERFACE: return "MIPS_INTERFACE"; |
| 1052 | case DT_MIPS_DYNSTR_ALIGN: return "MIPS_DYNSTR_ALIGN"; |
| 1053 | case DT_MIPS_INTERFACE_SIZE: return "MIPS_INTERFACE_SIZE"; |
| 1054 | case DT_MIPS_RLD_TEXT_RESOLVE_ADDR: return "MIPS_RLD_TEXT_RESOLVE_ADDR"; |
| 1055 | case DT_MIPS_PERF_SUFFIX: return "MIPS_PERF_SUFFIX"; |
| 1056 | case DT_MIPS_COMPACT_SIZE: return "MIPS_COMPACT_SIZE"; |
| 1057 | case DT_MIPS_GP_VALUE: return "MIPS_GP_VALUE"; |
| 1058 | case DT_MIPS_AUX_DYNAMIC: return "MIPS_AUX_DYNAMIC"; |
| 1059 | default: |
| 1060 | return NULL; |
| 1061 | } |
| 1062 | } |
| 1063 | |
| 1064 | static const char * |
| 1065 | get_sparc64_dynamic_type (type) |
| 1066 | unsigned long type; |
| 1067 | { |
| 1068 | switch (type) |
| 1069 | { |
| 1070 | case DT_SPARC_REGISTER: return "SPARC_REGISTER"; |
| 1071 | default: |
| 1072 | return NULL; |
| 1073 | } |
| 1074 | } |
| 1075 | |
| 1076 | static const char * |
| 1077 | get_parisc_dynamic_type (type) |
| 1078 | unsigned long type; |
| 1079 | { |
| 1080 | switch (type) |
| 1081 | { |
| 1082 | case DT_HP_LOAD_MAP: return "HP_LOAD_MAP"; |
| 1083 | case DT_HP_DLD_FLAGS: return "HP_DLD_FLAGS"; |
| 1084 | case DT_HP_DLD_HOOK: return "HP_DLD_HOOK"; |
| 1085 | case DT_HP_UX10_INIT: return "HP_UX10_INIT"; |
| 1086 | case DT_HP_UX10_INITSZ: return "HP_UX10_INITSZ"; |
| 1087 | case DT_HP_PREINIT: return "HP_PREINIT"; |
| 1088 | case DT_HP_PREINITSZ: return "HP_PREINITSZ"; |
| 1089 | case DT_HP_NEEDED: return "HP_NEEDED"; |
| 1090 | case DT_HP_TIME_STAMP: return "HP_TIME_STAMP"; |
| 1091 | case DT_HP_CHECKSUM: return "HP_CHECKSUM"; |
| 1092 | case DT_HP_GST_SIZE: return "HP_GST_SIZE"; |
| 1093 | case DT_HP_GST_VERSION: return "HP_GST_VERSION"; |
| 1094 | case DT_HP_GST_HASHVAL: return "HP_GST_HASHVAL"; |
| 1095 | default: |
| 1096 | return NULL; |
| 1097 | } |
| 1098 | } |
| 1099 | |
| 1100 | static const char * |
| 1101 | get_dynamic_type (type) |
| 1102 | unsigned long type; |
| 1103 | { |
| 1104 | static char buff [32]; |
| 1105 | |
| 1106 | switch (type) |
| 1107 | { |
| 1108 | case DT_NULL: return "NULL"; |
| 1109 | case DT_NEEDED: return "NEEDED"; |
| 1110 | case DT_PLTRELSZ: return "PLTRELSZ"; |
| 1111 | case DT_PLTGOT: return "PLTGOT"; |
| 1112 | case DT_HASH: return "HASH"; |
| 1113 | case DT_STRTAB: return "STRTAB"; |
| 1114 | case DT_SYMTAB: return "SYMTAB"; |
| 1115 | case DT_RELA: return "RELA"; |
| 1116 | case DT_RELASZ: return "RELASZ"; |
| 1117 | case DT_RELAENT: return "RELAENT"; |
| 1118 | case DT_STRSZ: return "STRSZ"; |
| 1119 | case DT_SYMENT: return "SYMENT"; |
| 1120 | case DT_INIT: return "INIT"; |
| 1121 | case DT_FINI: return "FINI"; |
| 1122 | case DT_SONAME: return "SONAME"; |
| 1123 | case DT_RPATH: return "RPATH"; |
| 1124 | case DT_SYMBOLIC: return "SYMBOLIC"; |
| 1125 | case DT_REL: return "REL"; |
| 1126 | case DT_RELSZ: return "RELSZ"; |
| 1127 | case DT_RELENT: return "RELENT"; |
| 1128 | case DT_PLTREL: return "PLTREL"; |
| 1129 | case DT_DEBUG: return "DEBUG"; |
| 1130 | case DT_TEXTREL: return "TEXTREL"; |
| 1131 | case DT_JMPREL: return "JMPREL"; |
| 1132 | case DT_BIND_NOW: return "BIND_NOW"; |
| 1133 | case DT_INIT_ARRAY: return "INIT_ARRAY"; |
| 1134 | case DT_FINI_ARRAY: return "FINI_ARRAY"; |
| 1135 | case DT_INIT_ARRAYSZ: return "INIT_ARRAYSZ"; |
| 1136 | case DT_FINI_ARRAYSZ: return "FINI_ARRAYSZ"; |
| 1137 | case DT_RUNPATH: return "RUNPATH"; |
| 1138 | case DT_FLAGS: return "FLAGS"; |
| 1139 | |
| 1140 | case DT_PREINIT_ARRAY: return "PREINIT_ARRAY"; |
| 1141 | case DT_PREINIT_ARRAYSZ: return "PREINIT_ARRAYSZ"; |
| 1142 | |
| 1143 | case DT_CHECKSUM: return "CHECKSUM"; |
| 1144 | case DT_PLTPADSZ: return "PLTPADSZ"; |
| 1145 | case DT_MOVEENT: return "MOVEENT"; |
| 1146 | case DT_MOVESZ: return "MOVESZ"; |
| 1147 | case DT_FEATURE: return "FEATURE"; |
| 1148 | case DT_POSFLAG_1: return "POSFLAG_1"; |
| 1149 | case DT_SYMINSZ: return "SYMINSZ"; |
| 1150 | case DT_SYMINENT: return "SYMINENT"; /* aka VALRNGHI */ |
| 1151 | |
| 1152 | case DT_ADDRRNGLO: return "ADDRRNGLO"; |
| 1153 | case DT_CONFIG: return "CONFIG"; |
| 1154 | case DT_DEPAUDIT: return "DEPAUDIT"; |
| 1155 | case DT_AUDIT: return "AUDIT"; |
| 1156 | case DT_PLTPAD: return "PLTPAD"; |
| 1157 | case DT_MOVETAB: return "MOVETAB"; |
| 1158 | case DT_SYMINFO: return "SYMINFO"; /* aka ADDRRNGHI */ |
| 1159 | |
| 1160 | case DT_VERSYM: return "VERSYM"; |
| 1161 | |
| 1162 | case DT_RELACOUNT: return "RELACOUNT"; |
| 1163 | case DT_RELCOUNT: return "RELCOUNT"; |
| 1164 | case DT_FLAGS_1: return "FLAGS_1"; |
| 1165 | case DT_VERDEF: return "VERDEF"; |
| 1166 | case DT_VERDEFNUM: return "VERDEFNUM"; |
| 1167 | case DT_VERNEED: return "VERNEED"; |
| 1168 | case DT_VERNEEDNUM: return "VERNEEDNUM"; |
| 1169 | |
| 1170 | case DT_AUXILIARY: return "AUXILIARY"; |
| 1171 | case DT_USED: return "USED"; |
| 1172 | case DT_FILTER: return "FILTER"; |
| 1173 | |
| 1174 | default: |
| 1175 | if ((type >= DT_LOPROC) && (type <= DT_HIPROC)) |
| 1176 | { |
| 1177 | const char * result; |
| 1178 | |
| 1179 | switch (elf_header.e_machine) |
| 1180 | { |
| 1181 | case EM_MIPS: |
| 1182 | case EM_MIPS_RS4_BE: |
| 1183 | result = get_mips_dynamic_type (type); |
| 1184 | break; |
| 1185 | case EM_SPARCV9: |
| 1186 | result = get_sparc64_dynamic_type (type); |
| 1187 | break; |
| 1188 | default: |
| 1189 | result = NULL; |
| 1190 | break; |
| 1191 | } |
| 1192 | |
| 1193 | if (result != NULL) |
| 1194 | return result; |
| 1195 | |
| 1196 | sprintf (buff, _("Processor Specific: %lx"), type); |
| 1197 | } |
| 1198 | else if ((type >= DT_LOOS) && (type <= DT_HIOS)) |
| 1199 | { |
| 1200 | const char * result; |
| 1201 | |
| 1202 | switch (elf_header.e_machine) |
| 1203 | { |
| 1204 | case EM_PARISC: |
| 1205 | result = get_parisc_dynamic_type (type); |
| 1206 | break; |
| 1207 | default: |
| 1208 | result = NULL; |
| 1209 | break; |
| 1210 | } |
| 1211 | |
| 1212 | if (result != NULL) |
| 1213 | return result; |
| 1214 | |
| 1215 | sprintf (buff, _("Operating System specific: %lx"), type); |
| 1216 | } |
| 1217 | else |
| 1218 | sprintf (buff, _("<unknown>: %lx"), type); |
| 1219 | |
| 1220 | return buff; |
| 1221 | } |
| 1222 | } |
| 1223 | |
| 1224 | static char * |
| 1225 | get_file_type (e_type) |
| 1226 | unsigned e_type; |
| 1227 | { |
| 1228 | static char buff [32]; |
| 1229 | |
| 1230 | switch (e_type) |
| 1231 | { |
| 1232 | case ET_NONE: return _("NONE (None)"); |
| 1233 | case ET_REL: return _("REL (Relocatable file)"); |
| 1234 | case ET_EXEC: return _("EXEC (Executable file)"); |
| 1235 | case ET_DYN: return _("DYN (Shared object file)"); |
| 1236 | case ET_CORE: return _("CORE (Core file)"); |
| 1237 | |
| 1238 | default: |
| 1239 | if ((e_type >= ET_LOPROC) && (e_type <= ET_HIPROC)) |
| 1240 | sprintf (buff, _("Processor Specific: (%x)"), e_type); |
| 1241 | else if ((e_type >= ET_LOOS) && (e_type <= ET_HIOS)) |
| 1242 | sprintf (buff, _("OS Specific: (%x)"), e_type); |
| 1243 | else |
| 1244 | sprintf (buff, _("<unknown>: %x"), e_type); |
| 1245 | return buff; |
| 1246 | } |
| 1247 | } |
| 1248 | |
| 1249 | static char * |
| 1250 | get_machine_name (e_machine) |
| 1251 | unsigned e_machine; |
| 1252 | { |
| 1253 | static char buff [64]; /* XXX */ |
| 1254 | |
| 1255 | switch (e_machine) |
| 1256 | { |
| 1257 | case EM_NONE: return _("None"); |
| 1258 | case EM_M32: return "WE32100"; |
| 1259 | case EM_SPARC: return "Sparc"; |
| 1260 | case EM_386: return "Intel 80386"; |
| 1261 | case EM_68K: return "MC68000"; |
| 1262 | case EM_88K: return "MC88000"; |
| 1263 | case EM_486: return "Intel 80486"; |
| 1264 | case EM_860: return "Intel 80860"; |
| 1265 | case EM_MIPS: return "MIPS R3000"; |
| 1266 | case EM_S370: return "IBM System/370"; |
| 1267 | case EM_MIPS_RS4_BE: return "MIPS R4000 big-endian"; |
| 1268 | case EM_OLD_SPARCV9: return "Sparc v9 (old)"; |
| 1269 | case EM_PARISC: return "HPPA"; |
| 1270 | case EM_PPC_OLD: return "Power PC (old)"; |
| 1271 | case EM_SPARC32PLUS: return "Sparc v8+" ; |
| 1272 | case EM_960: return "Intel 90860"; |
| 1273 | case EM_PPC: return "PowerPC"; |
| 1274 | case EM_V800: return "NEC V800"; |
| 1275 | case EM_FR20: return "Fujitsu FR20"; |
| 1276 | case EM_RH32: return "TRW RH32"; |
| 1277 | case EM_MCORE: return "MCORE"; |
| 1278 | case EM_ARM: return "ARM"; |
| 1279 | case EM_OLD_ALPHA: return "Digital Alpha (old)"; |
| 1280 | case EM_SH: return "Hitachi SH"; |
| 1281 | case EM_SPARCV9: return "Sparc v9"; |
| 1282 | case EM_TRICORE: return "Siemens Tricore"; |
| 1283 | case EM_ARC: return "ARC"; |
| 1284 | case EM_H8_300: return "Hitachi H8/300"; |
| 1285 | case EM_H8_300H: return "Hitachi H8/300H"; |
| 1286 | case EM_H8S: return "Hitachi H8S"; |
| 1287 | case EM_H8_500: return "Hitachi H8/500"; |
| 1288 | case EM_IA_64: return "Intel IA-64"; |
| 1289 | case EM_MIPS_X: return "Stanford MIPS-X"; |
| 1290 | case EM_COLDFIRE: return "Motorola Coldfire"; |
| 1291 | case EM_68HC12: return "Motorola M68HC12"; |
| 1292 | case EM_ALPHA: return "Alpha"; |
| 1293 | case EM_CYGNUS_D10V: return "d10v"; |
| 1294 | case EM_CYGNUS_D30V: return "d30v"; |
| 1295 | case EM_CYGNUS_ARC: return "ARC"; |
| 1296 | case EM_CYGNUS_M32R: return "Mitsubishi M32r"; |
| 1297 | case EM_CYGNUS_V850: return "NEC v850"; |
| 1298 | case EM_CYGNUS_MN10300: return "mn10300"; |
| 1299 | case EM_CYGNUS_MN10200: return "mn10200"; |
| 1300 | case EM_CYGNUS_FR30: return "Fujitsu FR30"; |
| 1301 | case EM_PJ: return "picoJava"; |
| 1302 | case EM_MMA: return "Fujitsu Multimedia Accelerator"; |
| 1303 | case EM_PCP: return "Siemens PCP"; |
| 1304 | case EM_NCPU: return "Sony nCPU embedded RISC processor"; |
| 1305 | case EM_NDR1: return "Denso NDR1 microprocesspr"; |
| 1306 | case EM_STARCORE: return "Motorola Star*Core processor"; |
| 1307 | case EM_ME16: return "Toyota ME16 processor"; |
| 1308 | case EM_ST100: return "STMicroelectronics ST100 processor"; |
| 1309 | case EM_TINYJ: return "Advanced Logic Corp. TinyJ embedded processor"; |
| 1310 | case EM_FX66: return "Siemens FX66 microcontroller"; |
| 1311 | case EM_ST9PLUS: return "STMicroelectronics ST9+ 8/16 bit microcontroller"; |
| 1312 | case EM_ST7: return "STMicroelectronics ST7 8-bit microcontroller"; |
| 1313 | case EM_68HC16: return "Motorola MC68HC16 Microcontroller"; |
| 1314 | case EM_68HC11: return "Motorola MC68HC11 Microcontroller"; |
| 1315 | case EM_68HC08: return "Motorola MC68HC08 Microcontroller"; |
| 1316 | case EM_68HC05: return "Motorola MC68HC05 Microcontroller"; |
| 1317 | case EM_SVX: return "Silicon Graphics SVx"; |
| 1318 | case EM_ST19: return "STMicroelectronics ST19 8-bit microcontroller"; |
| 1319 | case EM_VAX: return "Digital VAX"; |
| 1320 | case EM_AVR: return "Atmel AVR 8-bit microcontroller"; |
| 1321 | case EM_CRIS: return "Axis Communications 32-bit embedded processor"; |
| 1322 | case EM_JAVELIN: return "Infineon Technologies 32-bit embedded cpu"; |
| 1323 | case EM_FIREPATH: return "Element 14 64-bit DSP processor"; |
| 1324 | case EM_ZSP: return "LSI Logic's 16-bit DSP processor"; |
| 1325 | case EM_MMIX: return "Donald Knuth's educational 64-bit processor"; |
| 1326 | case EM_HUANY: return "Harvard Universitys's machine-independent object format"; |
| 1327 | case EM_PRISM: return "SiTera Prism"; |
| 1328 | case EM_X86_64: return "Advanced Micro Devices X86-64"; |
| 1329 | case EM_S390_OLD: |
| 1330 | case EM_S390: return "IBM S/390"; |
| 1331 | default: |
| 1332 | sprintf (buff, _("<unknown>: %x"), e_machine); |
| 1333 | return buff; |
| 1334 | } |
| 1335 | } |
| 1336 | |
| 1337 | static void |
| 1338 | decode_ARM_machine_flags (e_flags, buf) |
| 1339 | unsigned e_flags; |
| 1340 | char buf[]; |
| 1341 | { |
| 1342 | unsigned eabi; |
| 1343 | int unknown = 0; |
| 1344 | |
| 1345 | eabi = EF_ARM_EABI_VERSION (e_flags); |
| 1346 | e_flags &= ~ EF_ARM_EABIMASK; |
| 1347 | |
| 1348 | /* Handle "generic" ARM flags. */ |
| 1349 | if (e_flags & EF_ARM_RELEXEC) |
| 1350 | { |
| 1351 | strcat (buf, ", relocatable executable"); |
| 1352 | e_flags &= ~ EF_ARM_RELEXEC; |
| 1353 | } |
| 1354 | |
| 1355 | if (e_flags & EF_ARM_HASENTRY) |
| 1356 | { |
| 1357 | strcat (buf, ", has entry point"); |
| 1358 | e_flags &= ~ EF_ARM_HASENTRY; |
| 1359 | } |
| 1360 | |
| 1361 | /* Now handle EABI specific flags. */ |
| 1362 | switch (eabi) |
| 1363 | { |
| 1364 | default: |
| 1365 | strcat (buf, ", <unrecognised EABI>"); |
| 1366 | if (e_flags) |
| 1367 | unknown = 1; |
| 1368 | break; |
| 1369 | |
| 1370 | case EF_ARM_EABI_VER1: |
| 1371 | strcat (buf, ", Version1 EABI"); |
| 1372 | while (e_flags) |
| 1373 | { |
| 1374 | unsigned flag; |
| 1375 | |
| 1376 | /* Process flags one bit at a time. */ |
| 1377 | flag = e_flags & - e_flags; |
| 1378 | e_flags &= ~ flag; |
| 1379 | |
| 1380 | switch (flag) |
| 1381 | { |
| 1382 | case EF_ARM_SYMSARESORTED: /* Conflicts with EF_ARM_INTERWORK. */ |
| 1383 | strcat (buf, ", sorted symbol tables"); |
| 1384 | break; |
| 1385 | |
| 1386 | default: |
| 1387 | unknown = 1; |
| 1388 | break; |
| 1389 | } |
| 1390 | } |
| 1391 | break; |
| 1392 | |
| 1393 | case EF_ARM_EABI_VER2: |
| 1394 | strcat (buf, ", Version2 EABI"); |
| 1395 | while (e_flags) |
| 1396 | { |
| 1397 | unsigned flag; |
| 1398 | |
| 1399 | /* Process flags one bit at a time. */ |
| 1400 | flag = e_flags & - e_flags; |
| 1401 | e_flags &= ~ flag; |
| 1402 | |
| 1403 | switch (flag) |
| 1404 | { |
| 1405 | case EF_ARM_SYMSARESORTED: /* Conflicts with EF_ARM_INTERWORK. */ |
| 1406 | strcat (buf, ", sorted symbol tables"); |
| 1407 | break; |
| 1408 | |
| 1409 | case EF_ARM_DYNSYMSUSESEGIDX: |
| 1410 | strcat (buf, ", dynamic symbols use segment index"); |
| 1411 | break; |
| 1412 | |
| 1413 | case EF_ARM_MAPSYMSFIRST: |
| 1414 | strcat (buf, ", mapping symbols precede others"); |
| 1415 | break; |
| 1416 | |
| 1417 | default: |
| 1418 | unknown = 1; |
| 1419 | break; |
| 1420 | } |
| 1421 | } |
| 1422 | break; |
| 1423 | |
| 1424 | case EF_ARM_EABI_UNKNOWN: |
| 1425 | strcat (buf, ", GNU EABI"); |
| 1426 | while (e_flags) |
| 1427 | { |
| 1428 | unsigned flag; |
| 1429 | |
| 1430 | /* Process flags one bit at a time. */ |
| 1431 | flag = e_flags & - e_flags; |
| 1432 | e_flags &= ~ flag; |
| 1433 | |
| 1434 | switch (flag) |
| 1435 | { |
| 1436 | case EF_ARM_INTERWORK: |
| 1437 | strcat (buf, ", interworking enabled"); |
| 1438 | break; |
| 1439 | |
| 1440 | case EF_ARM_APCS_26: |
| 1441 | strcat (buf, ", uses APCS/26"); |
| 1442 | break; |
| 1443 | |
| 1444 | case EF_ARM_APCS_FLOAT: |
| 1445 | strcat (buf, ", uses APCS/float"); |
| 1446 | break; |
| 1447 | |
| 1448 | case EF_ARM_PIC: |
| 1449 | strcat (buf, ", position independent"); |
| 1450 | break; |
| 1451 | |
| 1452 | case EF_ARM_ALIGN8: |
| 1453 | strcat (buf, ", 8 bit structure alignment"); |
| 1454 | break; |
| 1455 | |
| 1456 | case EF_ARM_NEW_ABI: |
| 1457 | strcat (buf, ", uses new ABI"); |
| 1458 | break; |
| 1459 | |
| 1460 | case EF_ARM_OLD_ABI: |
| 1461 | strcat (buf, ", uses old ABI"); |
| 1462 | break; |
| 1463 | |
| 1464 | case EF_ARM_SOFT_FLOAT: |
| 1465 | strcat (buf, ", software FP"); |
| 1466 | break; |
| 1467 | |
| 1468 | default: |
| 1469 | unknown = 1; |
| 1470 | break; |
| 1471 | } |
| 1472 | } |
| 1473 | } |
| 1474 | |
| 1475 | if (unknown) |
| 1476 | strcat (buf,", <unknown>"); |
| 1477 | } |
| 1478 | |
| 1479 | static char * |
| 1480 | get_machine_flags (e_flags, e_machine) |
| 1481 | unsigned e_flags; |
| 1482 | unsigned e_machine; |
| 1483 | { |
| 1484 | static char buf [1024]; |
| 1485 | |
| 1486 | buf[0] = '\0'; |
| 1487 | |
| 1488 | if (e_flags) |
| 1489 | { |
| 1490 | switch (e_machine) |
| 1491 | { |
| 1492 | default: |
| 1493 | break; |
| 1494 | |
| 1495 | case EM_ARM: |
| 1496 | decode_ARM_machine_flags (e_flags, buf); |
| 1497 | break; |
| 1498 | |
| 1499 | case EM_68K: |
| 1500 | if (e_flags & EF_CPU32) |
| 1501 | strcat (buf, ", cpu32"); |
| 1502 | break; |
| 1503 | |
| 1504 | case EM_PPC: |
| 1505 | if (e_flags & EF_PPC_EMB) |
| 1506 | strcat (buf, ", emb"); |
| 1507 | |
| 1508 | if (e_flags & EF_PPC_RELOCATABLE) |
| 1509 | strcat (buf, ", relocatable"); |
| 1510 | |
| 1511 | if (e_flags & EF_PPC_RELOCATABLE_LIB) |
| 1512 | strcat (buf, ", relocatable-lib"); |
| 1513 | break; |
| 1514 | |
| 1515 | case EM_CYGNUS_V850: |
| 1516 | switch (e_flags & EF_V850_ARCH) |
| 1517 | { |
| 1518 | case E_V850E_ARCH: |
| 1519 | strcat (buf, ", v850e"); |
| 1520 | break; |
| 1521 | case E_V850EA_ARCH: |
| 1522 | strcat (buf, ", v850ea"); |
| 1523 | break; |
| 1524 | case E_V850_ARCH: |
| 1525 | strcat (buf, ", v850"); |
| 1526 | break; |
| 1527 | default: |
| 1528 | strcat (buf, ", unknown v850 architecture variant"); |
| 1529 | break; |
| 1530 | } |
| 1531 | break; |
| 1532 | |
| 1533 | case EM_CYGNUS_M32R: |
| 1534 | if ((e_flags & EF_M32R_ARCH) == E_M32R_ARCH) |
| 1535 | strcat (buf, ", m32r"); |
| 1536 | |
| 1537 | break; |
| 1538 | |
| 1539 | case EM_MIPS: |
| 1540 | case EM_MIPS_RS4_BE: |
| 1541 | if (e_flags & EF_MIPS_NOREORDER) |
| 1542 | strcat (buf, ", noreorder"); |
| 1543 | |
| 1544 | if (e_flags & EF_MIPS_PIC) |
| 1545 | strcat (buf, ", pic"); |
| 1546 | |
| 1547 | if (e_flags & EF_MIPS_CPIC) |
| 1548 | strcat (buf, ", cpic"); |
| 1549 | |
| 1550 | if (e_flags & EF_MIPS_ABI2) |
| 1551 | strcat (buf, ", abi2"); |
| 1552 | |
| 1553 | if ((e_flags & EF_MIPS_ARCH) == E_MIPS_ARCH_1) |
| 1554 | strcat (buf, ", mips1"); |
| 1555 | |
| 1556 | if ((e_flags & EF_MIPS_ARCH) == E_MIPS_ARCH_2) |
| 1557 | strcat (buf, ", mips2"); |
| 1558 | |
| 1559 | if ((e_flags & EF_MIPS_ARCH) == E_MIPS_ARCH_3) |
| 1560 | strcat (buf, ", mips3"); |
| 1561 | |
| 1562 | if ((e_flags & EF_MIPS_ARCH) == E_MIPS_ARCH_4) |
| 1563 | strcat (buf, ", mips4"); |
| 1564 | |
| 1565 | if ((e_flags & EF_MIPS_ARCH) == E_MIPS_ARCH_5) |
| 1566 | strcat (buf, ", mips5"); |
| 1567 | |
| 1568 | if ((e_flags & EF_MIPS_ARCH) == E_MIPS_ARCH_32) |
| 1569 | strcat (buf, ", mips32"); |
| 1570 | |
| 1571 | if ((e_flags & EF_MIPS_ARCH) == E_MIPS_ARCH_64) |
| 1572 | strcat (buf, ", mips64"); |
| 1573 | |
| 1574 | switch ((e_flags & EF_MIPS_MACH)) |
| 1575 | { |
| 1576 | case E_MIPS_MACH_3900: strcat (buf, ", 3900"); break; |
| 1577 | case E_MIPS_MACH_4010: strcat (buf, ", 4010"); break; |
| 1578 | case E_MIPS_MACH_4100: strcat (buf, ", 4100"); break; |
| 1579 | case E_MIPS_MACH_4650: strcat (buf, ", 4650"); break; |
| 1580 | case E_MIPS_MACH_4111: strcat (buf, ", 4111"); break; |
| 1581 | case E_MIPS_MACH_MIPS32_4K: strcat (buf, ", mips32-4k"); break; |
| 1582 | case E_MIPS_MACH_SB1: strcat (buf, ", sb1"); break; |
| 1583 | default: strcat (buf, " UNKNOWN"); break; |
| 1584 | } |
| 1585 | break; |
| 1586 | |
| 1587 | case EM_SPARCV9: |
| 1588 | if (e_flags & EF_SPARC_32PLUS) |
| 1589 | strcat (buf, ", v8+"); |
| 1590 | |
| 1591 | if (e_flags & EF_SPARC_SUN_US1) |
| 1592 | strcat (buf, ", ultrasparcI"); |
| 1593 | |
| 1594 | if (e_flags & EF_SPARC_SUN_US3) |
| 1595 | strcat (buf, ", ultrasparcIII"); |
| 1596 | |
| 1597 | if (e_flags & EF_SPARC_HAL_R1) |
| 1598 | strcat (buf, ", halr1"); |
| 1599 | |
| 1600 | if (e_flags & EF_SPARC_LEDATA) |
| 1601 | strcat (buf, ", ledata"); |
| 1602 | |
| 1603 | if ((e_flags & EF_SPARCV9_MM) == EF_SPARCV9_TSO) |
| 1604 | strcat (buf, ", tso"); |
| 1605 | |
| 1606 | if ((e_flags & EF_SPARCV9_MM) == EF_SPARCV9_PSO) |
| 1607 | strcat (buf, ", pso"); |
| 1608 | |
| 1609 | if ((e_flags & EF_SPARCV9_MM) == EF_SPARCV9_RMO) |
| 1610 | strcat (buf, ", rmo"); |
| 1611 | break; |
| 1612 | |
| 1613 | case EM_PARISC: |
| 1614 | switch (e_flags & EF_PARISC_ARCH) |
| 1615 | { |
| 1616 | case EFA_PARISC_1_0: |
| 1617 | strcpy (buf, ", PA-RISC 1.0"); |
| 1618 | break; |
| 1619 | case EFA_PARISC_1_1: |
| 1620 | strcpy (buf, ", PA-RISC 1.1"); |
| 1621 | break; |
| 1622 | case EFA_PARISC_2_0: |
| 1623 | strcpy (buf, ", PA-RISC 2.0"); |
| 1624 | break; |
| 1625 | default: |
| 1626 | break; |
| 1627 | } |
| 1628 | if (e_flags & EF_PARISC_TRAPNIL) |
| 1629 | strcat (buf, ", trapnil"); |
| 1630 | if (e_flags & EF_PARISC_EXT) |
| 1631 | strcat (buf, ", ext"); |
| 1632 | if (e_flags & EF_PARISC_LSB) |
| 1633 | strcat (buf, ", lsb"); |
| 1634 | if (e_flags & EF_PARISC_WIDE) |
| 1635 | strcat (buf, ", wide"); |
| 1636 | if (e_flags & EF_PARISC_NO_KABP) |
| 1637 | strcat (buf, ", no kabp"); |
| 1638 | if (e_flags & EF_PARISC_LAZYSWAP) |
| 1639 | strcat (buf, ", lazyswap"); |
| 1640 | break; |
| 1641 | |
| 1642 | case EM_PJ: |
| 1643 | if ((e_flags & EF_PICOJAVA_NEWCALLS) == EF_PICOJAVA_NEWCALLS) |
| 1644 | strcat (buf, ", new calling convention"); |
| 1645 | |
| 1646 | if ((e_flags & EF_PICOJAVA_GNUCALLS) == EF_PICOJAVA_GNUCALLS) |
| 1647 | strcat (buf, ", gnu calling convention"); |
| 1648 | break; |
| 1649 | |
| 1650 | case EM_IA_64: |
| 1651 | if ((e_flags & EF_IA_64_ABI64)) |
| 1652 | strcat (buf, ", 64-bit"); |
| 1653 | else |
| 1654 | strcat (buf, ", 32-bit"); |
| 1655 | if ((e_flags & EF_IA_64_REDUCEDFP)) |
| 1656 | strcat (buf, ", reduced fp model"); |
| 1657 | if ((e_flags & EF_IA_64_NOFUNCDESC_CONS_GP)) |
| 1658 | strcat (buf, ", no function descriptors, constant gp"); |
| 1659 | else if ((e_flags & EF_IA_64_CONS_GP)) |
| 1660 | strcat (buf, ", constant gp"); |
| 1661 | if ((e_flags & EF_IA_64_ABSOLUTE)) |
| 1662 | strcat (buf, ", absolute"); |
| 1663 | break; |
| 1664 | } |
| 1665 | } |
| 1666 | |
| 1667 | return buf; |
| 1668 | } |
| 1669 | |
| 1670 | static const char * |
| 1671 | get_mips_segment_type (type) |
| 1672 | unsigned long type; |
| 1673 | { |
| 1674 | switch (type) |
| 1675 | { |
| 1676 | case PT_MIPS_REGINFO: |
| 1677 | return "REGINFO"; |
| 1678 | case PT_MIPS_RTPROC: |
| 1679 | return "RTPROC"; |
| 1680 | case PT_MIPS_OPTIONS: |
| 1681 | return "OPTIONS"; |
| 1682 | default: |
| 1683 | break; |
| 1684 | } |
| 1685 | |
| 1686 | return NULL; |
| 1687 | } |
| 1688 | |
| 1689 | static const char * |
| 1690 | get_parisc_segment_type (type) |
| 1691 | unsigned long type; |
| 1692 | { |
| 1693 | switch (type) |
| 1694 | { |
| 1695 | case PT_HP_TLS: return "HP_TLS"; |
| 1696 | case PT_HP_CORE_NONE: return "HP_CORE_NONE"; |
| 1697 | case PT_HP_CORE_VERSION: return "HP_CORE_VERSION"; |
| 1698 | case PT_HP_CORE_KERNEL: return "HP_CORE_KERNEL"; |
| 1699 | case PT_HP_CORE_COMM: return "HP_CORE_COMM"; |
| 1700 | case PT_HP_CORE_PROC: return "HP_CORE_PROC"; |
| 1701 | case PT_HP_CORE_LOADABLE: return "HP_CORE_LOADABLE"; |
| 1702 | case PT_HP_CORE_STACK: return "HP_CORE_STACK"; |
| 1703 | case PT_HP_CORE_SHM: return "HP_CORE_SHM"; |
| 1704 | case PT_HP_CORE_MMF: return "HP_CORE_MMF"; |
| 1705 | case PT_HP_PARALLEL: return "HP_PARALLEL"; |
| 1706 | case PT_HP_FASTBIND: return "HP_FASTBIND"; |
| 1707 | case PT_PARISC_ARCHEXT: return "PARISC_ARCHEXT"; |
| 1708 | case PT_PARISC_UNWIND: return "PARISC_UNWIND"; |
| 1709 | default: |
| 1710 | break; |
| 1711 | } |
| 1712 | |
| 1713 | return NULL; |
| 1714 | } |
| 1715 | |
| 1716 | static const char * |
| 1717 | get_ia64_segment_type (type) |
| 1718 | unsigned long type; |
| 1719 | { |
| 1720 | switch (type) |
| 1721 | { |
| 1722 | case PT_IA_64_ARCHEXT: return "IA_64_ARCHEXT"; |
| 1723 | case PT_IA_64_UNWIND: return "IA_64_UNWIND"; |
| 1724 | default: |
| 1725 | break; |
| 1726 | } |
| 1727 | |
| 1728 | return NULL; |
| 1729 | } |
| 1730 | |
| 1731 | static const char * |
| 1732 | get_segment_type (p_type) |
| 1733 | unsigned long p_type; |
| 1734 | { |
| 1735 | static char buff [32]; |
| 1736 | |
| 1737 | switch (p_type) |
| 1738 | { |
| 1739 | case PT_NULL: return "NULL"; |
| 1740 | case PT_LOAD: return "LOAD"; |
| 1741 | case PT_DYNAMIC: return "DYNAMIC"; |
| 1742 | case PT_INTERP: return "INTERP"; |
| 1743 | case PT_NOTE: return "NOTE"; |
| 1744 | case PT_SHLIB: return "SHLIB"; |
| 1745 | case PT_PHDR: return "PHDR"; |
| 1746 | |
| 1747 | default: |
| 1748 | if ((p_type >= PT_LOPROC) && (p_type <= PT_HIPROC)) |
| 1749 | { |
| 1750 | const char * result; |
| 1751 | |
| 1752 | switch (elf_header.e_machine) |
| 1753 | { |
| 1754 | case EM_MIPS: |
| 1755 | case EM_MIPS_RS4_BE: |
| 1756 | result = get_mips_segment_type (p_type); |
| 1757 | break; |
| 1758 | case EM_PARISC: |
| 1759 | result = get_parisc_segment_type (p_type); |
| 1760 | break; |
| 1761 | case EM_IA_64: |
| 1762 | result = get_ia64_segment_type (p_type); |
| 1763 | break; |
| 1764 | default: |
| 1765 | result = NULL; |
| 1766 | break; |
| 1767 | } |
| 1768 | |
| 1769 | if (result != NULL) |
| 1770 | return result; |
| 1771 | |
| 1772 | sprintf (buff, "LOPROC+%lx", p_type - PT_LOPROC); |
| 1773 | } |
| 1774 | else if ((p_type >= PT_LOOS) && (p_type <= PT_HIOS)) |
| 1775 | { |
| 1776 | const char * result; |
| 1777 | |
| 1778 | switch (elf_header.e_machine) |
| 1779 | { |
| 1780 | case EM_PARISC: |
| 1781 | result = get_parisc_segment_type (p_type); |
| 1782 | break; |
| 1783 | default: |
| 1784 | result = NULL; |
| 1785 | break; |
| 1786 | } |
| 1787 | |
| 1788 | if (result != NULL) |
| 1789 | return result; |
| 1790 | |
| 1791 | sprintf (buff, "LOOS+%lx", p_type - PT_LOOS); |
| 1792 | } |
| 1793 | else |
| 1794 | sprintf (buff, _("<unknown>: %lx"), p_type); |
| 1795 | |
| 1796 | return buff; |
| 1797 | } |
| 1798 | } |
| 1799 | |
| 1800 | static const char * |
| 1801 | get_mips_section_type_name (sh_type) |
| 1802 | unsigned int sh_type; |
| 1803 | { |
| 1804 | switch (sh_type) |
| 1805 | { |
| 1806 | case SHT_MIPS_LIBLIST: return "MIPS_LIBLIST"; |
| 1807 | case SHT_MIPS_MSYM: return "MIPS_MSYM"; |
| 1808 | case SHT_MIPS_CONFLICT: return "MIPS_CONFLICT"; |
| 1809 | case SHT_MIPS_GPTAB: return "MIPS_GPTAB"; |
| 1810 | case SHT_MIPS_UCODE: return "MIPS_UCODE"; |
| 1811 | case SHT_MIPS_DEBUG: return "MIPS_DEBUG"; |
| 1812 | case SHT_MIPS_REGINFO: return "MIPS_REGINFO"; |
| 1813 | case SHT_MIPS_PACKAGE: return "MIPS_PACKAGE"; |
| 1814 | case SHT_MIPS_PACKSYM: return "MIPS_PACKSYM"; |
| 1815 | case SHT_MIPS_RELD: return "MIPS_RELD"; |
| 1816 | case SHT_MIPS_IFACE: return "MIPS_IFACE"; |
| 1817 | case SHT_MIPS_CONTENT: return "MIPS_CONTENT"; |
| 1818 | case SHT_MIPS_OPTIONS: return "MIPS_OPTIONS"; |
| 1819 | case SHT_MIPS_SHDR: return "MIPS_SHDR"; |
| 1820 | case SHT_MIPS_FDESC: return "MIPS_FDESC"; |
| 1821 | case SHT_MIPS_EXTSYM: return "MIPS_EXTSYM"; |
| 1822 | case SHT_MIPS_DENSE: return "MIPS_DENSE"; |
| 1823 | case SHT_MIPS_PDESC: return "MIPS_PDESC"; |
| 1824 | case SHT_MIPS_LOCSYM: return "MIPS_LOCSYM"; |
| 1825 | case SHT_MIPS_AUXSYM: return "MIPS_AUXSYM"; |
| 1826 | case SHT_MIPS_OPTSYM: return "MIPS_OPTSYM"; |
| 1827 | case SHT_MIPS_LOCSTR: return "MIPS_LOCSTR"; |
| 1828 | case SHT_MIPS_LINE: return "MIPS_LINE"; |
| 1829 | case SHT_MIPS_RFDESC: return "MIPS_RFDESC"; |
| 1830 | case SHT_MIPS_DELTASYM: return "MIPS_DELTASYM"; |
| 1831 | case SHT_MIPS_DELTAINST: return "MIPS_DELTAINST"; |
| 1832 | case SHT_MIPS_DELTACLASS: return "MIPS_DELTACLASS"; |
| 1833 | case SHT_MIPS_DWARF: return "MIPS_DWARF"; |
| 1834 | case SHT_MIPS_DELTADECL: return "MIPS_DELTADECL"; |
| 1835 | case SHT_MIPS_SYMBOL_LIB: return "MIPS_SYMBOL_LIB"; |
| 1836 | case SHT_MIPS_EVENTS: return "MIPS_EVENTS"; |
| 1837 | case SHT_MIPS_TRANSLATE: return "MIPS_TRANSLATE"; |
| 1838 | case SHT_MIPS_PIXIE: return "MIPS_PIXIE"; |
| 1839 | case SHT_MIPS_XLATE: return "MIPS_XLATE"; |
| 1840 | case SHT_MIPS_XLATE_DEBUG: return "MIPS_XLATE_DEBUG"; |
| 1841 | case SHT_MIPS_WHIRL: return "MIPS_WHIRL"; |
| 1842 | case SHT_MIPS_EH_REGION: return "MIPS_EH_REGION"; |
| 1843 | case SHT_MIPS_XLATE_OLD: return "MIPS_XLATE_OLD"; |
| 1844 | case SHT_MIPS_PDR_EXCEPTION: return "MIPS_PDR_EXCEPTION"; |
| 1845 | default: |
| 1846 | break; |
| 1847 | } |
| 1848 | return NULL; |
| 1849 | } |
| 1850 | |
| 1851 | static const char * |
| 1852 | get_parisc_section_type_name (sh_type) |
| 1853 | unsigned int sh_type; |
| 1854 | { |
| 1855 | switch (sh_type) |
| 1856 | { |
| 1857 | case SHT_PARISC_EXT: return "PARISC_EXT"; |
| 1858 | case SHT_PARISC_UNWIND: return "PARISC_UNWIND"; |
| 1859 | case SHT_PARISC_DOC: return "PARISC_DOC"; |
| 1860 | default: |
| 1861 | break; |
| 1862 | } |
| 1863 | return NULL; |
| 1864 | } |
| 1865 | |
| 1866 | static const char * |
| 1867 | get_ia64_section_type_name (sh_type) |
| 1868 | unsigned int sh_type; |
| 1869 | { |
| 1870 | switch (sh_type) |
| 1871 | { |
| 1872 | case SHT_IA_64_EXT: return "IA_64_EXT"; |
| 1873 | case SHT_IA_64_UNWIND: return "IA_64_UNWIND"; |
| 1874 | default: |
| 1875 | break; |
| 1876 | } |
| 1877 | return NULL; |
| 1878 | } |
| 1879 | |
| 1880 | static const char * |
| 1881 | get_section_type_name (sh_type) |
| 1882 | unsigned int sh_type; |
| 1883 | { |
| 1884 | static char buff [32]; |
| 1885 | |
| 1886 | switch (sh_type) |
| 1887 | { |
| 1888 | case SHT_NULL: return "NULL"; |
| 1889 | case SHT_PROGBITS: return "PROGBITS"; |
| 1890 | case SHT_SYMTAB: return "SYMTAB"; |
| 1891 | case SHT_STRTAB: return "STRTAB"; |
| 1892 | case SHT_RELA: return "RELA"; |
| 1893 | case SHT_HASH: return "HASH"; |
| 1894 | case SHT_DYNAMIC: return "DYNAMIC"; |
| 1895 | case SHT_NOTE: return "NOTE"; |
| 1896 | case SHT_NOBITS: return "NOBITS"; |
| 1897 | case SHT_REL: return "REL"; |
| 1898 | case SHT_SHLIB: return "SHLIB"; |
| 1899 | case SHT_DYNSYM: return "DYNSYM"; |
| 1900 | case SHT_INIT_ARRAY: return "INIT_ARRAY"; |
| 1901 | case SHT_FINI_ARRAY: return "FINI_ARRAY"; |
| 1902 | case SHT_PREINIT_ARRAY: return "PREINIT_ARRAY"; |
| 1903 | case SHT_GROUP: return "GROUP"; |
| 1904 | case SHT_SYMTAB_SHNDX: return "SYMTAB SECTION INDICIES"; |
| 1905 | case SHT_GNU_verdef: return "VERDEF"; |
| 1906 | case SHT_GNU_verneed: return "VERNEED"; |
| 1907 | case SHT_GNU_versym: return "VERSYM"; |
| 1908 | case 0x6ffffff0: return "VERSYM"; |
| 1909 | case 0x6ffffffc: return "VERDEF"; |
| 1910 | case 0x7ffffffd: return "AUXILIARY"; |
| 1911 | case 0x7fffffff: return "FILTER"; |
| 1912 | |
| 1913 | default: |
| 1914 | if ((sh_type >= SHT_LOPROC) && (sh_type <= SHT_HIPROC)) |
| 1915 | { |
| 1916 | const char * result; |
| 1917 | |
| 1918 | switch (elf_header.e_machine) |
| 1919 | { |
| 1920 | case EM_MIPS: |
| 1921 | case EM_MIPS_RS4_BE: |
| 1922 | result = get_mips_section_type_name (sh_type); |
| 1923 | break; |
| 1924 | case EM_PARISC: |
| 1925 | result = get_parisc_section_type_name (sh_type); |
| 1926 | break; |
| 1927 | case EM_IA_64: |
| 1928 | result = get_ia64_section_type_name (sh_type); |
| 1929 | break; |
| 1930 | default: |
| 1931 | result = NULL; |
| 1932 | break; |
| 1933 | } |
| 1934 | |
| 1935 | if (result != NULL) |
| 1936 | return result; |
| 1937 | |
| 1938 | sprintf (buff, "SHT_LOPROC+%x", sh_type - SHT_LOPROC); |
| 1939 | } |
| 1940 | else if ((sh_type >= SHT_LOOS) && (sh_type <= SHT_HIOS)) |
| 1941 | sprintf (buff, "SHT_LOOS+%x", sh_type - SHT_LOOS); |
| 1942 | else if ((sh_type >= SHT_LOUSER) && (sh_type <= SHT_HIUSER)) |
| 1943 | sprintf (buff, "SHT_LOUSER+%x", sh_type - SHT_LOUSER); |
| 1944 | else |
| 1945 | sprintf (buff, _("<unknown>: %x"), sh_type); |
| 1946 | |
| 1947 | return buff; |
| 1948 | } |
| 1949 | } |
| 1950 | |
| 1951 | struct option options [] = |
| 1952 | { |
| 1953 | {"all", no_argument, 0, 'a'}, |
| 1954 | {"file-header", no_argument, 0, 'h'}, |
| 1955 | {"program-headers", no_argument, 0, 'l'}, |
| 1956 | {"headers", no_argument, 0, 'e'}, |
| 1957 | {"histogram", no_argument, 0, 'I'}, |
| 1958 | {"segments", no_argument, 0, 'l'}, |
| 1959 | {"sections", no_argument, 0, 'S'}, |
| 1960 | {"section-headers", no_argument, 0, 'S'}, |
| 1961 | {"symbols", no_argument, 0, 's'}, |
| 1962 | {"syms", no_argument, 0, 's'}, |
| 1963 | {"relocs", no_argument, 0, 'r'}, |
| 1964 | {"notes", no_argument, 0, 'n'}, |
| 1965 | {"dynamic", no_argument, 0, 'd'}, |
| 1966 | {"arch-specific", no_argument, 0, 'A'}, |
| 1967 | {"version-info", no_argument, 0, 'V'}, |
| 1968 | {"use-dynamic", no_argument, 0, 'D'}, |
| 1969 | {"hex-dump", required_argument, 0, 'x'}, |
| 1970 | {"debug-dump", optional_argument, 0, 'w'}, |
| 1971 | {"unwind", no_argument, 0, 'u'}, |
| 1972 | #ifdef SUPPORT_DISASSEMBLY |
| 1973 | {"instruction-dump", required_argument, 0, 'i'}, |
| 1974 | #endif |
| 1975 | |
| 1976 | {"version", no_argument, 0, 'v'}, |
| 1977 | {"help", no_argument, 0, 'H'}, |
| 1978 | {0, no_argument, 0, 0} |
| 1979 | }; |
| 1980 | |
| 1981 | static void |
| 1982 | usage () |
| 1983 | { |
| 1984 | fprintf (stdout, _("Usage: readelf {options} elf-file(s)\n")); |
| 1985 | fprintf (stdout, _(" Options are:\n")); |
| 1986 | fprintf (stdout, _(" -a or --all Equivalent to: -h -l -S -s -r -d -V -A -I\n")); |
| 1987 | fprintf (stdout, _(" -h or --file-header Display the ELF file header\n")); |
| 1988 | fprintf (stdout, _(" -l or --program-headers or --segments\n")); |
| 1989 | fprintf (stdout, _(" Display the program headers\n")); |
| 1990 | fprintf (stdout, _(" -S or --section-headers or --sections\n")); |
| 1991 | fprintf (stdout, _(" Display the sections' header\n")); |
| 1992 | fprintf (stdout, _(" -e or --headers Equivalent to: -h -l -S\n")); |
| 1993 | fprintf (stdout, _(" -s or --syms or --symbols Display the symbol table\n")); |
| 1994 | fprintf (stdout, _(" -n or --notes Display the core notes (if present)\n")); |
| 1995 | fprintf (stdout, _(" -r or --relocs Display the relocations (if present)\n")); |
| 1996 | fprintf (stdout, _(" -u or --unwind Display the unwind info (if present)\n")); |
| 1997 | fprintf (stdout, _(" -d or --dynamic Display the dynamic segment (if present)\n")); |
| 1998 | fprintf (stdout, _(" -V or --version-info Display the version sections (if present)\n")); |
| 1999 | fprintf (stdout, _(" -A or --arch-specific Display architecture specific information (if any).\n")); |
| 2000 | fprintf (stdout, _(" -D or --use-dynamic Use the dynamic section info when displaying symbols\n")); |
| 2001 | fprintf (stdout, _(" -x <number> or --hex-dump=<number>\n")); |
| 2002 | fprintf (stdout, _(" Dump the contents of section <number>\n")); |
| 2003 | fprintf (stdout, _(" -w[liaprf] or --debug-dump[=line,=info,=abbrev,=pubnames,=ranges,=frames]\n")); |
| 2004 | fprintf (stdout, _(" Display the contents of DWARF2 debug sections\n")); |
| 2005 | #ifdef SUPPORT_DISASSEMBLY |
| 2006 | fprintf (stdout, _(" -i <number> or --instruction-dump=<number>\n")); |
| 2007 | fprintf (stdout, _(" Disassemble the contents of section <number>\n")); |
| 2008 | #endif |
| 2009 | fprintf (stdout, _(" -I or --histogram Display histogram of bucket list lengths\n")); |
| 2010 | fprintf (stdout, _(" -v or --version Display the version number of readelf\n")); |
| 2011 | fprintf (stdout, _(" -H or --help Display this information\n")); |
| 2012 | fprintf (stdout, _("Report bugs to %s\n"), REPORT_BUGS_TO); |
| 2013 | |
| 2014 | exit (0); |
| 2015 | } |
| 2016 | |
| 2017 | static void |
| 2018 | request_dump (section, type) |
| 2019 | unsigned int section; |
| 2020 | char type; |
| 2021 | { |
| 2022 | if (section >= num_dump_sects) |
| 2023 | { |
| 2024 | char * new_dump_sects; |
| 2025 | |
| 2026 | new_dump_sects = (char *) calloc (section + 1, 1); |
| 2027 | |
| 2028 | if (new_dump_sects == NULL) |
| 2029 | error (_("Out of memory allocating dump request table.")); |
| 2030 | else |
| 2031 | { |
| 2032 | /* Copy current flag settings. */ |
| 2033 | memcpy (new_dump_sects, dump_sects, num_dump_sects); |
| 2034 | |
| 2035 | free (dump_sects); |
| 2036 | |
| 2037 | dump_sects = new_dump_sects; |
| 2038 | num_dump_sects = section + 1; |
| 2039 | } |
| 2040 | } |
| 2041 | |
| 2042 | if (dump_sects) |
| 2043 | dump_sects [section] |= type; |
| 2044 | |
| 2045 | return; |
| 2046 | } |
| 2047 | |
| 2048 | static void |
| 2049 | parse_args (argc, argv) |
| 2050 | int argc; |
| 2051 | char ** argv; |
| 2052 | { |
| 2053 | int c; |
| 2054 | |
| 2055 | if (argc < 2) |
| 2056 | usage (); |
| 2057 | |
| 2058 | while ((c = getopt_long |
| 2059 | (argc, argv, "ersuahnldSDAIw::x:i:vV", options, NULL)) != EOF) |
| 2060 | { |
| 2061 | char * cp; |
| 2062 | int section; |
| 2063 | |
| 2064 | switch (c) |
| 2065 | { |
| 2066 | case 0: |
| 2067 | /* Long options. */ |
| 2068 | break; |
| 2069 | case 'H': |
| 2070 | usage (); |
| 2071 | break; |
| 2072 | |
| 2073 | case 'a': |
| 2074 | do_syms ++; |
| 2075 | do_reloc ++; |
| 2076 | do_unwind ++; |
| 2077 | do_dynamic ++; |
| 2078 | do_header ++; |
| 2079 | do_sections ++; |
| 2080 | do_segments ++; |
| 2081 | do_version ++; |
| 2082 | do_histogram ++; |
| 2083 | do_arch ++; |
| 2084 | do_notes ++; |
| 2085 | break; |
| 2086 | case 'e': |
| 2087 | do_header ++; |
| 2088 | do_sections ++; |
| 2089 | do_segments ++; |
| 2090 | break; |
| 2091 | case 'A': |
| 2092 | do_arch ++; |
| 2093 | break; |
| 2094 | case 'D': |
| 2095 | do_using_dynamic ++; |
| 2096 | break; |
| 2097 | case 'r': |
| 2098 | do_reloc ++; |
| 2099 | break; |
| 2100 | case 'u': |
| 2101 | do_unwind ++; |
| 2102 | break; |
| 2103 | case 'h': |
| 2104 | do_header ++; |
| 2105 | break; |
| 2106 | case 'l': |
| 2107 | do_segments ++; |
| 2108 | break; |
| 2109 | case 's': |
| 2110 | do_syms ++; |
| 2111 | break; |
| 2112 | case 'S': |
| 2113 | do_sections ++; |
| 2114 | break; |
| 2115 | case 'd': |
| 2116 | do_dynamic ++; |
| 2117 | break; |
| 2118 | case 'I': |
| 2119 | do_histogram ++; |
| 2120 | break; |
| 2121 | case 'n': |
| 2122 | do_notes ++; |
| 2123 | break; |
| 2124 | case 'x': |
| 2125 | do_dump ++; |
| 2126 | section = strtoul (optarg, & cp, 0); |
| 2127 | if (! * cp && section >= 0) |
| 2128 | { |
| 2129 | request_dump (section, HEX_DUMP); |
| 2130 | break; |
| 2131 | } |
| 2132 | goto oops; |
| 2133 | case 'w': |
| 2134 | do_dump ++; |
| 2135 | if (optarg == 0) |
| 2136 | do_debugging = 1; |
| 2137 | else |
| 2138 | { |
| 2139 | do_debugging = 0; |
| 2140 | switch (optarg[0]) |
| 2141 | { |
| 2142 | case 'i': |
| 2143 | case 'I': |
| 2144 | do_debug_info = 1; |
| 2145 | break; |
| 2146 | |
| 2147 | case 'a': |
| 2148 | case 'A': |
| 2149 | do_debug_abbrevs = 1; |
| 2150 | break; |
| 2151 | |
| 2152 | case 'l': |
| 2153 | case 'L': |
| 2154 | do_debug_lines = 1; |
| 2155 | break; |
| 2156 | |
| 2157 | case 'p': |
| 2158 | case 'P': |
| 2159 | do_debug_pubnames = 1; |
| 2160 | break; |
| 2161 | |
| 2162 | case 'r': |
| 2163 | case 'R': |
| 2164 | do_debug_aranges = 1; |
| 2165 | break; |
| 2166 | |
| 2167 | case 'f': |
| 2168 | case 'F': |
| 2169 | do_debug_frames = 1; |
| 2170 | break; |
| 2171 | |
| 2172 | default: |
| 2173 | warn (_("Unrecognised debug option '%s'\n"), optarg); |
| 2174 | break; |
| 2175 | } |
| 2176 | } |
| 2177 | break; |
| 2178 | #ifdef SUPPORT_DISASSEMBLY |
| 2179 | case 'i': |
| 2180 | do_dump ++; |
| 2181 | section = strtoul (optarg, & cp, 0); |
| 2182 | if (! * cp && section >= 0) |
| 2183 | { |
| 2184 | request_dump (section, DISASS_DUMP); |
| 2185 | break; |
| 2186 | } |
| 2187 | goto oops; |
| 2188 | #endif |
| 2189 | case 'v': |
| 2190 | print_version (program_name); |
| 2191 | break; |
| 2192 | case 'V': |
| 2193 | do_version ++; |
| 2194 | break; |
| 2195 | default: |
| 2196 | oops: |
| 2197 | /* xgettext:c-format */ |
| 2198 | error (_("Invalid option '-%c'\n"), c); |
| 2199 | /* Drop through. */ |
| 2200 | case '?': |
| 2201 | usage (); |
| 2202 | } |
| 2203 | } |
| 2204 | |
| 2205 | if (!do_dynamic && !do_syms && !do_reloc && !do_unwind && !do_sections |
| 2206 | && !do_segments && !do_header && !do_dump && !do_version |
| 2207 | && !do_histogram && !do_debugging && !do_arch && !do_notes) |
| 2208 | usage (); |
| 2209 | else if (argc < 3) |
| 2210 | { |
| 2211 | warn (_("Nothing to do.\n")); |
| 2212 | usage(); |
| 2213 | } |
| 2214 | } |
| 2215 | |
| 2216 | static const char * |
| 2217 | get_elf_class (elf_class) |
| 2218 | unsigned char elf_class; |
| 2219 | { |
| 2220 | static char buff [32]; |
| 2221 | |
| 2222 | switch (elf_class) |
| 2223 | { |
| 2224 | case ELFCLASSNONE: return _("none"); |
| 2225 | case ELFCLASS32: return _("ELF32"); |
| 2226 | case ELFCLASS64: return _("ELF64"); |
| 2227 | default: |
| 2228 | sprintf (buff, _("<unknown: %x>"), elf_class); |
| 2229 | return buff; |
| 2230 | } |
| 2231 | } |
| 2232 | |
| 2233 | static const char * |
| 2234 | get_data_encoding (encoding) |
| 2235 | unsigned char encoding; |
| 2236 | { |
| 2237 | static char buff [32]; |
| 2238 | |
| 2239 | switch (encoding) |
| 2240 | { |
| 2241 | case ELFDATANONE: return _("none"); |
| 2242 | case ELFDATA2LSB: return _("2's complement, little endian"); |
| 2243 | case ELFDATA2MSB: return _("2's complement, big endian"); |
| 2244 | default: |
| 2245 | sprintf (buff, _("<unknown: %x>"), encoding); |
| 2246 | return buff; |
| 2247 | } |
| 2248 | } |
| 2249 | |
| 2250 | static const char * |
| 2251 | get_osabi_name (osabi) |
| 2252 | unsigned char osabi; |
| 2253 | { |
| 2254 | static char buff [32]; |
| 2255 | |
| 2256 | switch (osabi) |
| 2257 | { |
| 2258 | case ELFOSABI_NONE: return _("UNIX - System V"); |
| 2259 | case ELFOSABI_HPUX: return _("UNIX - HP-UX"); |
| 2260 | case ELFOSABI_NETBSD: return _("UNIX - NetBSD"); |
| 2261 | case ELFOSABI_LINUX: return _("UNIX - Linux"); |
| 2262 | case ELFOSABI_HURD: return _("GNU/Hurd"); |
| 2263 | case ELFOSABI_SOLARIS: return _("UNIX - Solaris"); |
| 2264 | case ELFOSABI_AIX: return _("UNIX - AIX"); |
| 2265 | case ELFOSABI_IRIX: return _("UNIX - IRIX"); |
| 2266 | case ELFOSABI_FREEBSD: return _("UNIX - FreeBSD"); |
| 2267 | case ELFOSABI_TRU64: return _("UNIX - TRU64"); |
| 2268 | case ELFOSABI_MODESTO: return _("Novell - Modesto"); |
| 2269 | case ELFOSABI_OPENBSD: return _("UNIX - OpenBSD"); |
| 2270 | case ELFOSABI_STANDALONE: return _("Standalone App"); |
| 2271 | case ELFOSABI_ARM: return _("ARM"); |
| 2272 | default: |
| 2273 | sprintf (buff, _("<unknown: %x>"), osabi); |
| 2274 | return buff; |
| 2275 | } |
| 2276 | } |
| 2277 | |
| 2278 | /* Decode the data held in 'elf_header'. */ |
| 2279 | static int |
| 2280 | process_file_header () |
| 2281 | { |
| 2282 | if ( elf_header.e_ident [EI_MAG0] != ELFMAG0 |
| 2283 | || elf_header.e_ident [EI_MAG1] != ELFMAG1 |
| 2284 | || elf_header.e_ident [EI_MAG2] != ELFMAG2 |
| 2285 | || elf_header.e_ident [EI_MAG3] != ELFMAG3) |
| 2286 | { |
| 2287 | error |
| 2288 | (_("Not an ELF file - it has the wrong magic bytes at the start\n")); |
| 2289 | return 0; |
| 2290 | } |
| 2291 | |
| 2292 | if (do_header) |
| 2293 | { |
| 2294 | int i; |
| 2295 | |
| 2296 | printf (_("ELF Header:\n")); |
| 2297 | printf (_(" Magic: ")); |
| 2298 | for (i = 0; i < EI_NIDENT; i ++) |
| 2299 | printf ("%2.2x ", elf_header.e_ident [i]); |
| 2300 | printf ("\n"); |
| 2301 | printf (_(" Class: %s\n"), |
| 2302 | get_elf_class (elf_header.e_ident [EI_CLASS])); |
| 2303 | printf (_(" Data: %s\n"), |
| 2304 | get_data_encoding (elf_header.e_ident [EI_DATA])); |
| 2305 | printf (_(" Version: %d %s\n"), |
| 2306 | elf_header.e_ident [EI_VERSION], |
| 2307 | (elf_header.e_ident [EI_VERSION] == EV_CURRENT |
| 2308 | ? "(current)" |
| 2309 | : (elf_header.e_ident [EI_VERSION] != EV_NONE |
| 2310 | ? "<unknown: %lx>" |
| 2311 | : ""))); |
| 2312 | printf (_(" OS/ABI: %s\n"), |
| 2313 | get_osabi_name (elf_header.e_ident [EI_OSABI])); |
| 2314 | printf (_(" ABI Version: %d\n"), |
| 2315 | elf_header.e_ident [EI_ABIVERSION]); |
| 2316 | printf (_(" Type: %s\n"), |
| 2317 | get_file_type (elf_header.e_type)); |
| 2318 | printf (_(" Machine: %s\n"), |
| 2319 | get_machine_name (elf_header.e_machine)); |
| 2320 | printf (_(" Version: 0x%lx\n"), |
| 2321 | (unsigned long) elf_header.e_version); |
| 2322 | |
| 2323 | printf (_(" Entry point address: ")); |
| 2324 | print_vma ((bfd_vma) elf_header.e_entry, PREFIX_HEX); |
| 2325 | printf (_("\n Start of program headers: ")); |
| 2326 | print_vma ((bfd_vma) elf_header.e_phoff, DEC); |
| 2327 | printf (_(" (bytes into file)\n Start of section headers: ")); |
| 2328 | print_vma ((bfd_vma) elf_header.e_shoff, DEC); |
| 2329 | printf (_(" (bytes into file)\n")); |
| 2330 | |
| 2331 | printf (_(" Flags: 0x%lx%s\n"), |
| 2332 | (unsigned long) elf_header.e_flags, |
| 2333 | get_machine_flags (elf_header.e_flags, elf_header.e_machine)); |
| 2334 | printf (_(" Size of this header: %ld (bytes)\n"), |
| 2335 | (long) elf_header.e_ehsize); |
| 2336 | printf (_(" Size of program headers: %ld (bytes)\n"), |
| 2337 | (long) elf_header.e_phentsize); |
| 2338 | printf (_(" Number of program headers: %ld\n"), |
| 2339 | (long) elf_header.e_phnum); |
| 2340 | printf (_(" Size of section headers: %ld (bytes)\n"), |
| 2341 | (long) elf_header.e_shentsize); |
| 2342 | printf (_(" Number of section headers: %ld\n"), |
| 2343 | (long) elf_header.e_shnum); |
| 2344 | printf (_(" Section header string table index: %ld\n"), |
| 2345 | (long) elf_header.e_shstrndx); |
| 2346 | } |
| 2347 | |
| 2348 | return 1; |
| 2349 | } |
| 2350 | |
| 2351 | |
| 2352 | static int |
| 2353 | get_32bit_program_headers (file, program_headers) |
| 2354 | FILE * file; |
| 2355 | Elf_Internal_Phdr * program_headers; |
| 2356 | { |
| 2357 | Elf32_External_Phdr * phdrs; |
| 2358 | Elf32_External_Phdr * external; |
| 2359 | Elf32_Internal_Phdr * internal; |
| 2360 | unsigned int i; |
| 2361 | |
| 2362 | GET_DATA_ALLOC (elf_header.e_phoff, |
| 2363 | elf_header.e_phentsize * elf_header.e_phnum, |
| 2364 | phdrs, Elf32_External_Phdr *, "program headers"); |
| 2365 | |
| 2366 | for (i = 0, internal = program_headers, external = phdrs; |
| 2367 | i < elf_header.e_phnum; |
| 2368 | i ++, internal ++, external ++) |
| 2369 | { |
| 2370 | internal->p_type = BYTE_GET (external->p_type); |
| 2371 | internal->p_offset = BYTE_GET (external->p_offset); |
| 2372 | internal->p_vaddr = BYTE_GET (external->p_vaddr); |
| 2373 | internal->p_paddr = BYTE_GET (external->p_paddr); |
| 2374 | internal->p_filesz = BYTE_GET (external->p_filesz); |
| 2375 | internal->p_memsz = BYTE_GET (external->p_memsz); |
| 2376 | internal->p_flags = BYTE_GET (external->p_flags); |
| 2377 | internal->p_align = BYTE_GET (external->p_align); |
| 2378 | } |
| 2379 | |
| 2380 | free (phdrs); |
| 2381 | |
| 2382 | return 1; |
| 2383 | } |
| 2384 | |
| 2385 | static int |
| 2386 | get_64bit_program_headers (file, program_headers) |
| 2387 | FILE * file; |
| 2388 | Elf_Internal_Phdr * program_headers; |
| 2389 | { |
| 2390 | Elf64_External_Phdr * phdrs; |
| 2391 | Elf64_External_Phdr * external; |
| 2392 | Elf64_Internal_Phdr * internal; |
| 2393 | unsigned int i; |
| 2394 | |
| 2395 | GET_DATA_ALLOC (elf_header.e_phoff, |
| 2396 | elf_header.e_phentsize * elf_header.e_phnum, |
| 2397 | phdrs, Elf64_External_Phdr *, "program headers"); |
| 2398 | |
| 2399 | for (i = 0, internal = program_headers, external = phdrs; |
| 2400 | i < elf_header.e_phnum; |
| 2401 | i ++, internal ++, external ++) |
| 2402 | { |
| 2403 | internal->p_type = BYTE_GET (external->p_type); |
| 2404 | internal->p_flags = BYTE_GET (external->p_flags); |
| 2405 | internal->p_offset = BYTE_GET8 (external->p_offset); |
| 2406 | internal->p_vaddr = BYTE_GET8 (external->p_vaddr); |
| 2407 | internal->p_paddr = BYTE_GET8 (external->p_paddr); |
| 2408 | internal->p_filesz = BYTE_GET8 (external->p_filesz); |
| 2409 | internal->p_memsz = BYTE_GET8 (external->p_memsz); |
| 2410 | internal->p_align = BYTE_GET8 (external->p_align); |
| 2411 | } |
| 2412 | |
| 2413 | free (phdrs); |
| 2414 | |
| 2415 | return 1; |
| 2416 | } |
| 2417 | |
| 2418 | static int |
| 2419 | process_program_headers (file) |
| 2420 | FILE * file; |
| 2421 | { |
| 2422 | Elf_Internal_Phdr * program_headers; |
| 2423 | Elf_Internal_Phdr * segment; |
| 2424 | unsigned int i; |
| 2425 | |
| 2426 | if (elf_header.e_phnum == 0) |
| 2427 | { |
| 2428 | if (do_segments) |
| 2429 | printf (_("\nThere are no program headers in this file.\n")); |
| 2430 | return 1; |
| 2431 | } |
| 2432 | |
| 2433 | if (do_segments && !do_header) |
| 2434 | { |
| 2435 | printf (_("\nElf file type is %s\n"), get_file_type (elf_header.e_type)); |
| 2436 | printf (_("Entry point ")); |
| 2437 | print_vma ((bfd_vma) elf_header.e_entry, PREFIX_HEX); |
| 2438 | printf (_("\nThere are %d program headers, starting at offset "), |
| 2439 | elf_header.e_phnum); |
| 2440 | print_vma ((bfd_vma) elf_header.e_phoff, DEC); |
| 2441 | printf ("\n"); |
| 2442 | } |
| 2443 | |
| 2444 | program_headers = (Elf_Internal_Phdr *) malloc |
| 2445 | (elf_header.e_phnum * sizeof (Elf_Internal_Phdr)); |
| 2446 | |
| 2447 | if (program_headers == NULL) |
| 2448 | { |
| 2449 | error (_("Out of memory\n")); |
| 2450 | return 0; |
| 2451 | } |
| 2452 | |
| 2453 | if (is_32bit_elf) |
| 2454 | i = get_32bit_program_headers (file, program_headers); |
| 2455 | else |
| 2456 | i = get_64bit_program_headers (file, program_headers); |
| 2457 | |
| 2458 | if (i == 0) |
| 2459 | { |
| 2460 | free (program_headers); |
| 2461 | return 0; |
| 2462 | } |
| 2463 | |
| 2464 | if (do_segments) |
| 2465 | { |
| 2466 | printf |
| 2467 | (_("\nProgram Header%s:\n"), elf_header.e_phnum > 1 ? "s" : ""); |
| 2468 | |
| 2469 | if (is_32bit_elf) |
| 2470 | printf |
| 2471 | (_(" Type Offset VirtAddr PhysAddr FileSiz MemSiz Flg Align\n")); |
| 2472 | else |
| 2473 | { |
| 2474 | printf |
| 2475 | (_(" Type Offset VirtAddr PhysAddr\n")); |
| 2476 | printf |
| 2477 | (_(" FileSiz MemSiz Flags Align\n")); |
| 2478 | } |
| 2479 | } |
| 2480 | |
| 2481 | loadaddr = -1; |
| 2482 | dynamic_addr = 0; |
| 2483 | dynamic_size = 0; |
| 2484 | |
| 2485 | for (i = 0, segment = program_headers; |
| 2486 | i < elf_header.e_phnum; |
| 2487 | i ++, segment ++) |
| 2488 | { |
| 2489 | if (do_segments) |
| 2490 | { |
| 2491 | printf (" %-14.14s ", get_segment_type (segment->p_type)); |
| 2492 | |
| 2493 | if (is_32bit_elf) |
| 2494 | { |
| 2495 | printf ("0x%6.6lx ", (unsigned long) segment->p_offset); |
| 2496 | printf ("0x%8.8lx ", (unsigned long) segment->p_vaddr); |
| 2497 | printf ("0x%8.8lx ", (unsigned long) segment->p_paddr); |
| 2498 | printf ("0x%5.5lx ", (unsigned long) segment->p_filesz); |
| 2499 | printf ("0x%5.5lx ", (unsigned long) segment->p_memsz); |
| 2500 | printf ("%c%c%c ", |
| 2501 | (segment->p_flags & PF_R ? 'R' : ' '), |
| 2502 | (segment->p_flags & PF_W ? 'W' : ' '), |
| 2503 | (segment->p_flags & PF_X ? 'E' : ' ')); |
| 2504 | printf ("%#lx", (unsigned long) segment->p_align); |
| 2505 | } |
| 2506 | else |
| 2507 | { |
| 2508 | print_vma (segment->p_offset, FULL_HEX); |
| 2509 | putchar (' '); |
| 2510 | print_vma (segment->p_vaddr, FULL_HEX); |
| 2511 | putchar (' '); |
| 2512 | print_vma (segment->p_paddr, FULL_HEX); |
| 2513 | printf ("\n "); |
| 2514 | print_vma (segment->p_filesz, FULL_HEX); |
| 2515 | putchar (' '); |
| 2516 | print_vma (segment->p_memsz, FULL_HEX); |
| 2517 | printf (" %c%c%c ", |
| 2518 | (segment->p_flags & PF_R ? 'R' : ' '), |
| 2519 | (segment->p_flags & PF_W ? 'W' : ' '), |
| 2520 | (segment->p_flags & PF_X ? 'E' : ' ')); |
| 2521 | print_vma (segment->p_align, HEX); |
| 2522 | } |
| 2523 | } |
| 2524 | |
| 2525 | switch (segment->p_type) |
| 2526 | { |
| 2527 | case PT_LOAD: |
| 2528 | if (loadaddr == -1) |
| 2529 | loadaddr = (segment->p_vaddr & 0xfffff000) |
| 2530 | - (segment->p_offset & 0xfffff000); |
| 2531 | break; |
| 2532 | |
| 2533 | case PT_DYNAMIC: |
| 2534 | if (dynamic_addr) |
| 2535 | error (_("more than one dynamic segment\n")); |
| 2536 | |
| 2537 | dynamic_addr = segment->p_offset; |
| 2538 | dynamic_size = segment->p_filesz; |
| 2539 | break; |
| 2540 | |
| 2541 | case PT_INTERP: |
| 2542 | if (fseek (file, (long) segment->p_offset, SEEK_SET)) |
| 2543 | error (_("Unable to find program interpreter name\n")); |
| 2544 | else |
| 2545 | { |
| 2546 | program_interpreter[0] = 0; |
| 2547 | fscanf (file, "%63s", program_interpreter); |
| 2548 | |
| 2549 | if (do_segments) |
| 2550 | printf (_("\n [Requesting program interpreter: %s]"), |
| 2551 | program_interpreter); |
| 2552 | } |
| 2553 | break; |
| 2554 | } |
| 2555 | |
| 2556 | if (do_segments) |
| 2557 | putc ('\n', stdout); |
| 2558 | } |
| 2559 | |
| 2560 | if (loadaddr == -1) |
| 2561 | { |
| 2562 | /* Very strange. */ |
| 2563 | loadaddr = 0; |
| 2564 | } |
| 2565 | |
| 2566 | if (do_segments && section_headers != NULL) |
| 2567 | { |
| 2568 | printf (_("\n Section to Segment mapping:\n")); |
| 2569 | printf (_(" Segment Sections...\n")); |
| 2570 | |
| 2571 | assert (string_table != NULL); |
| 2572 | |
| 2573 | for (i = 0; i < elf_header.e_phnum; i++) |
| 2574 | { |
| 2575 | int j; |
| 2576 | Elf_Internal_Shdr * section; |
| 2577 | |
| 2578 | segment = program_headers + i; |
| 2579 | section = section_headers; |
| 2580 | |
| 2581 | printf (" %2.2d ", i); |
| 2582 | |
| 2583 | for (j = 0; j < elf_header.e_shnum; j++, section ++) |
| 2584 | { |
| 2585 | if (section->sh_size > 0 |
| 2586 | /* Compare allocated sections by VMA, unallocated |
| 2587 | sections by file offset. */ |
| 2588 | && (section->sh_flags & SHF_ALLOC |
| 2589 | ? (section->sh_addr >= segment->p_vaddr |
| 2590 | && section->sh_addr + section->sh_size |
| 2591 | <= segment->p_vaddr + segment->p_memsz) |
| 2592 | : ((bfd_vma) section->sh_offset >= segment->p_offset |
| 2593 | && (section->sh_offset + section->sh_size |
| 2594 | <= segment->p_offset + segment->p_filesz)))) |
| 2595 | printf ("%s ", SECTION_NAME (section)); |
| 2596 | } |
| 2597 | |
| 2598 | putc ('\n',stdout); |
| 2599 | } |
| 2600 | } |
| 2601 | |
| 2602 | free (program_headers); |
| 2603 | |
| 2604 | return 1; |
| 2605 | } |
| 2606 | |
| 2607 | |
| 2608 | static int |
| 2609 | get_32bit_section_headers (file) |
| 2610 | FILE * file; |
| 2611 | { |
| 2612 | Elf32_External_Shdr * shdrs; |
| 2613 | Elf32_Internal_Shdr * internal; |
| 2614 | unsigned int i; |
| 2615 | |
| 2616 | GET_DATA_ALLOC (elf_header.e_shoff, |
| 2617 | elf_header.e_shentsize * elf_header.e_shnum, |
| 2618 | shdrs, Elf32_External_Shdr *, "section headers"); |
| 2619 | |
| 2620 | section_headers = (Elf_Internal_Shdr *) malloc |
| 2621 | (elf_header.e_shnum * sizeof (Elf_Internal_Shdr)); |
| 2622 | |
| 2623 | if (section_headers == NULL) |
| 2624 | { |
| 2625 | error (_("Out of memory\n")); |
| 2626 | return 0; |
| 2627 | } |
| 2628 | |
| 2629 | for (i = 0, internal = section_headers; |
| 2630 | i < elf_header.e_shnum; |
| 2631 | i ++, internal ++) |
| 2632 | { |
| 2633 | internal->sh_name = BYTE_GET (shdrs[i].sh_name); |
| 2634 | internal->sh_type = BYTE_GET (shdrs[i].sh_type); |
| 2635 | internal->sh_flags = BYTE_GET (shdrs[i].sh_flags); |
| 2636 | internal->sh_addr = BYTE_GET (shdrs[i].sh_addr); |
| 2637 | internal->sh_offset = BYTE_GET (shdrs[i].sh_offset); |
| 2638 | internal->sh_size = BYTE_GET (shdrs[i].sh_size); |
| 2639 | internal->sh_link = BYTE_GET (shdrs[i].sh_link); |
| 2640 | internal->sh_info = BYTE_GET (shdrs[i].sh_info); |
| 2641 | internal->sh_addralign = BYTE_GET (shdrs[i].sh_addralign); |
| 2642 | internal->sh_entsize = BYTE_GET (shdrs[i].sh_entsize); |
| 2643 | } |
| 2644 | |
| 2645 | free (shdrs); |
| 2646 | |
| 2647 | return 1; |
| 2648 | } |
| 2649 | |
| 2650 | static int |
| 2651 | get_64bit_section_headers (file) |
| 2652 | FILE * file; |
| 2653 | { |
| 2654 | Elf64_External_Shdr * shdrs; |
| 2655 | Elf64_Internal_Shdr * internal; |
| 2656 | unsigned int i; |
| 2657 | |
| 2658 | GET_DATA_ALLOC (elf_header.e_shoff, |
| 2659 | elf_header.e_shentsize * elf_header.e_shnum, |
| 2660 | shdrs, Elf64_External_Shdr *, "section headers"); |
| 2661 | |
| 2662 | section_headers = (Elf_Internal_Shdr *) malloc |
| 2663 | (elf_header.e_shnum * sizeof (Elf_Internal_Shdr)); |
| 2664 | |
| 2665 | if (section_headers == NULL) |
| 2666 | { |
| 2667 | error (_("Out of memory\n")); |
| 2668 | return 0; |
| 2669 | } |
| 2670 | |
| 2671 | for (i = 0, internal = section_headers; |
| 2672 | i < elf_header.e_shnum; |
| 2673 | i ++, internal ++) |
| 2674 | { |
| 2675 | internal->sh_name = BYTE_GET (shdrs[i].sh_name); |
| 2676 | internal->sh_type = BYTE_GET (shdrs[i].sh_type); |
| 2677 | internal->sh_flags = BYTE_GET8 (shdrs[i].sh_flags); |
| 2678 | internal->sh_addr = BYTE_GET8 (shdrs[i].sh_addr); |
| 2679 | internal->sh_size = BYTE_GET8 (shdrs[i].sh_size); |
| 2680 | internal->sh_entsize = BYTE_GET8 (shdrs[i].sh_entsize); |
| 2681 | internal->sh_link = BYTE_GET (shdrs[i].sh_link); |
| 2682 | internal->sh_info = BYTE_GET (shdrs[i].sh_info); |
| 2683 | internal->sh_offset = BYTE_GET (shdrs[i].sh_offset); |
| 2684 | internal->sh_addralign = BYTE_GET (shdrs[i].sh_addralign); |
| 2685 | } |
| 2686 | |
| 2687 | free (shdrs); |
| 2688 | |
| 2689 | return 1; |
| 2690 | } |
| 2691 | |
| 2692 | static Elf_Internal_Sym * |
| 2693 | get_32bit_elf_symbols (file, offset, number) |
| 2694 | FILE * file; |
| 2695 | unsigned long offset; |
| 2696 | unsigned long number; |
| 2697 | { |
| 2698 | Elf32_External_Sym * esyms; |
| 2699 | Elf_Internal_Sym * isyms; |
| 2700 | Elf_Internal_Sym * psym; |
| 2701 | unsigned int j; |
| 2702 | |
| 2703 | GET_DATA_ALLOC (offset, number * sizeof (Elf32_External_Sym), |
| 2704 | esyms, Elf32_External_Sym *, "symbols"); |
| 2705 | |
| 2706 | isyms = (Elf_Internal_Sym *) malloc (number * sizeof (Elf_Internal_Sym)); |
| 2707 | |
| 2708 | if (isyms == NULL) |
| 2709 | { |
| 2710 | error (_("Out of memory\n")); |
| 2711 | free (esyms); |
| 2712 | |
| 2713 | return NULL; |
| 2714 | } |
| 2715 | |
| 2716 | for (j = 0, psym = isyms; |
| 2717 | j < number; |
| 2718 | j ++, psym ++) |
| 2719 | { |
| 2720 | psym->st_name = BYTE_GET (esyms[j].st_name); |
| 2721 | psym->st_value = BYTE_GET (esyms[j].st_value); |
| 2722 | psym->st_size = BYTE_GET (esyms[j].st_size); |
| 2723 | psym->st_shndx = BYTE_GET (esyms[j].st_shndx); |
| 2724 | psym->st_info = BYTE_GET (esyms[j].st_info); |
| 2725 | psym->st_other = BYTE_GET (esyms[j].st_other); |
| 2726 | } |
| 2727 | |
| 2728 | free (esyms); |
| 2729 | |
| 2730 | return isyms; |
| 2731 | } |
| 2732 | |
| 2733 | static Elf_Internal_Sym * |
| 2734 | get_64bit_elf_symbols (file, offset, number) |
| 2735 | FILE * file; |
| 2736 | unsigned long offset; |
| 2737 | unsigned long number; |
| 2738 | { |
| 2739 | Elf64_External_Sym * esyms; |
| 2740 | Elf_Internal_Sym * isyms; |
| 2741 | Elf_Internal_Sym * psym; |
| 2742 | unsigned int j; |
| 2743 | |
| 2744 | GET_DATA_ALLOC (offset, number * sizeof (Elf64_External_Sym), |
| 2745 | esyms, Elf64_External_Sym *, "symbols"); |
| 2746 | |
| 2747 | isyms = (Elf_Internal_Sym *) malloc (number * sizeof (Elf_Internal_Sym)); |
| 2748 | |
| 2749 | if (isyms == NULL) |
| 2750 | { |
| 2751 | error (_("Out of memory\n")); |
| 2752 | free (esyms); |
| 2753 | |
| 2754 | return NULL; |
| 2755 | } |
| 2756 | |
| 2757 | for (j = 0, psym = isyms; |
| 2758 | j < number; |
| 2759 | j ++, psym ++) |
| 2760 | { |
| 2761 | psym->st_name = BYTE_GET (esyms[j].st_name); |
| 2762 | psym->st_info = BYTE_GET (esyms[j].st_info); |
| 2763 | psym->st_other = BYTE_GET (esyms[j].st_other); |
| 2764 | psym->st_shndx = BYTE_GET (esyms[j].st_shndx); |
| 2765 | psym->st_value = BYTE_GET8 (esyms[j].st_value); |
| 2766 | psym->st_size = BYTE_GET8 (esyms[j].st_size); |
| 2767 | } |
| 2768 | |
| 2769 | free (esyms); |
| 2770 | |
| 2771 | return isyms; |
| 2772 | } |
| 2773 | |
| 2774 | static const char * |
| 2775 | get_elf_section_flags (sh_flags) |
| 2776 | bfd_vma sh_flags; |
| 2777 | { |
| 2778 | static char buff [32]; |
| 2779 | |
| 2780 | * buff = 0; |
| 2781 | |
| 2782 | while (sh_flags) |
| 2783 | { |
| 2784 | bfd_vma flag; |
| 2785 | |
| 2786 | flag = sh_flags & - sh_flags; |
| 2787 | sh_flags &= ~ flag; |
| 2788 | |
| 2789 | switch (flag) |
| 2790 | { |
| 2791 | case SHF_WRITE: strcat (buff, "W"); break; |
| 2792 | case SHF_ALLOC: strcat (buff, "A"); break; |
| 2793 | case SHF_EXECINSTR: strcat (buff, "X"); break; |
| 2794 | case SHF_MERGE: strcat (buff, "M"); break; |
| 2795 | case SHF_STRINGS: strcat (buff, "S"); break; |
| 2796 | case SHF_INFO_LINK: strcat (buff, "I"); break; |
| 2797 | case SHF_LINK_ORDER: strcat (buff, "L"); break; |
| 2798 | case SHF_OS_NONCONFORMING: strcat (buff, "O"); break; |
| 2799 | case SHF_GROUP: strcat (buff, "G"); break; |
| 2800 | |
| 2801 | default: |
| 2802 | if (flag & SHF_MASKOS) |
| 2803 | { |
| 2804 | strcat (buff, "o"); |
| 2805 | sh_flags &= ~ SHF_MASKOS; |
| 2806 | } |
| 2807 | else if (flag & SHF_MASKPROC) |
| 2808 | { |
| 2809 | strcat (buff, "p"); |
| 2810 | sh_flags &= ~ SHF_MASKPROC; |
| 2811 | } |
| 2812 | else |
| 2813 | strcat (buff, "x"); |
| 2814 | break; |
| 2815 | } |
| 2816 | } |
| 2817 | |
| 2818 | return buff; |
| 2819 | } |
| 2820 | |
| 2821 | static int |
| 2822 | process_section_headers (file) |
| 2823 | FILE * file; |
| 2824 | { |
| 2825 | Elf_Internal_Shdr * section; |
| 2826 | int i; |
| 2827 | |
| 2828 | section_headers = NULL; |
| 2829 | |
| 2830 | if (elf_header.e_shnum == 0) |
| 2831 | { |
| 2832 | if (do_sections) |
| 2833 | printf (_("\nThere are no sections in this file.\n")); |
| 2834 | |
| 2835 | return 1; |
| 2836 | } |
| 2837 | |
| 2838 | if (do_sections && !do_header) |
| 2839 | printf (_("There are %d section headers, starting at offset 0x%lx:\n"), |
| 2840 | elf_header.e_shnum, (unsigned long) elf_header.e_shoff); |
| 2841 | |
| 2842 | if (is_32bit_elf) |
| 2843 | { |
| 2844 | if (! get_32bit_section_headers (file)) |
| 2845 | return 0; |
| 2846 | } |
| 2847 | else if (! get_64bit_section_headers (file)) |
| 2848 | return 0; |
| 2849 | |
| 2850 | /* Read in the string table, so that we have names to display. */ |
| 2851 | section = section_headers + elf_header.e_shstrndx; |
| 2852 | |
| 2853 | if (section->sh_size != 0) |
| 2854 | { |
| 2855 | GET_DATA_ALLOC (section->sh_offset, section->sh_size, |
| 2856 | string_table, char *, "string table"); |
| 2857 | |
| 2858 | string_table_length = section->sh_size; |
| 2859 | } |
| 2860 | |
| 2861 | /* Scan the sections for the dynamic symbol table |
| 2862 | and dynamic string table and debug sections. */ |
| 2863 | dynamic_symbols = NULL; |
| 2864 | dynamic_strings = NULL; |
| 2865 | dynamic_syminfo = NULL; |
| 2866 | |
| 2867 | for (i = 0, section = section_headers; |
| 2868 | i < elf_header.e_shnum; |
| 2869 | i ++, section ++) |
| 2870 | { |
| 2871 | char * name = SECTION_NAME (section); |
| 2872 | |
| 2873 | if (section->sh_type == SHT_DYNSYM) |
| 2874 | { |
| 2875 | if (dynamic_symbols != NULL) |
| 2876 | { |
| 2877 | error (_("File contains multiple dynamic symbol tables\n")); |
| 2878 | continue; |
| 2879 | } |
| 2880 | |
| 2881 | num_dynamic_syms = section->sh_size / section->sh_entsize; |
| 2882 | dynamic_symbols = |
| 2883 | GET_ELF_SYMBOLS (file, section->sh_offset, num_dynamic_syms); |
| 2884 | } |
| 2885 | else if (section->sh_type == SHT_STRTAB |
| 2886 | && strcmp (name, ".dynstr") == 0) |
| 2887 | { |
| 2888 | if (dynamic_strings != NULL) |
| 2889 | { |
| 2890 | error (_("File contains multiple dynamic string tables\n")); |
| 2891 | continue; |
| 2892 | } |
| 2893 | |
| 2894 | GET_DATA_ALLOC (section->sh_offset, section->sh_size, |
| 2895 | dynamic_strings, char *, "dynamic strings"); |
| 2896 | } |
| 2897 | else if ((do_debugging || do_debug_info || do_debug_abbrevs |
| 2898 | || do_debug_lines || do_debug_pubnames || do_debug_aranges || do_debug_frames) |
| 2899 | && strncmp (name, ".debug_", 7) == 0) |
| 2900 | { |
| 2901 | name += 7; |
| 2902 | |
| 2903 | if (do_debugging |
| 2904 | || (do_debug_info && (strcmp (name, "info") == 0)) |
| 2905 | || (do_debug_abbrevs && (strcmp (name, "abbrev") == 0)) |
| 2906 | || (do_debug_lines && (strcmp (name, "line") == 0)) |
| 2907 | || (do_debug_pubnames && (strcmp (name, "pubnames") == 0)) |
| 2908 | || (do_debug_aranges && (strcmp (name, "aranges") == 0)) |
| 2909 | || (do_debug_frames && (strcmp (name, "frame") == 0)) |
| 2910 | ) |
| 2911 | request_dump (i, DEBUG_DUMP); |
| 2912 | } |
| 2913 | /* linkonce section to be combined with .debug_info at link time. */ |
| 2914 | else if ((do_debugging || do_debug_info) |
| 2915 | && strncmp (name, ".gnu.linkonce.wi.", 17) == 0) |
| 2916 | request_dump (i, DEBUG_DUMP); |
| 2917 | else if (do_debug_frames && strcmp (name, ".eh_frame") == 0) |
| 2918 | request_dump (i, DEBUG_DUMP); |
| 2919 | } |
| 2920 | |
| 2921 | if (! do_sections) |
| 2922 | return 1; |
| 2923 | |
| 2924 | printf (_("\nSection Header%s:\n"), elf_header.e_shnum > 1 ? "s" : ""); |
| 2925 | |
| 2926 | if (is_32bit_elf) |
| 2927 | printf |
| 2928 | (_(" [Nr] Name Type Addr Off Size ES Flg Lk Inf Al\n")); |
| 2929 | else |
| 2930 | { |
| 2931 | printf (_(" [Nr] Name Type Address Offset\n")); |
| 2932 | printf (_(" Size EntSize Flags Link Info Align\n")); |
| 2933 | } |
| 2934 | |
| 2935 | for (i = 0, section = section_headers; |
| 2936 | i < elf_header.e_shnum; |
| 2937 | i ++, section ++) |
| 2938 | { |
| 2939 | printf (" [%2d] %-17.17s %-15.15s ", |
| 2940 | i, |
| 2941 | SECTION_NAME (section), |
| 2942 | get_section_type_name (section->sh_type)); |
| 2943 | |
| 2944 | if (is_32bit_elf) |
| 2945 | { |
| 2946 | print_vma (section->sh_addr, LONG_HEX); |
| 2947 | |
| 2948 | printf ( " %6.6lx %6.6lx %2.2lx", |
| 2949 | (unsigned long) section->sh_offset, |
| 2950 | (unsigned long) section->sh_size, |
| 2951 | (unsigned long) section->sh_entsize); |
| 2952 | |
| 2953 | printf (" %3s ", get_elf_section_flags (section->sh_flags)); |
| 2954 | |
| 2955 | printf ("%2ld %3lx %2ld\n", |
| 2956 | (unsigned long) section->sh_link, |
| 2957 | (unsigned long) section->sh_info, |
| 2958 | (unsigned long) section->sh_addralign); |
| 2959 | } |
| 2960 | else |
| 2961 | { |
| 2962 | putchar (' '); |
| 2963 | print_vma (section->sh_addr, LONG_HEX); |
| 2964 | printf (" %8.8lx", section->sh_offset); |
| 2965 | printf ("\n "); |
| 2966 | print_vma (section->sh_size, LONG_HEX); |
| 2967 | printf (" "); |
| 2968 | print_vma (section->sh_entsize, LONG_HEX); |
| 2969 | |
| 2970 | printf (" %3s ", get_elf_section_flags (section->sh_flags)); |
| 2971 | |
| 2972 | printf (" %2ld %3lx %ld\n", |
| 2973 | (unsigned long) section->sh_link, |
| 2974 | (unsigned long) section->sh_info, |
| 2975 | (unsigned long) section->sh_addralign); |
| 2976 | } |
| 2977 | } |
| 2978 | |
| 2979 | printf (_("Key to Flags:\n")); |
| 2980 | printf (_(" W (write), A (alloc), X (execute), M (merge), S (strings)\n")); |
| 2981 | printf (_(" I (info), L (link order), G (group), x (unknown)\n")); |
| 2982 | printf (_(" O (extra OS processing required) o (OS specific), p (processor specific)\n")); |
| 2983 | |
| 2984 | return 1; |
| 2985 | } |
| 2986 | |
| 2987 | /* Process the reloc section. */ |
| 2988 | static int |
| 2989 | process_relocs (file) |
| 2990 | FILE * file; |
| 2991 | { |
| 2992 | unsigned long rel_size; |
| 2993 | unsigned long rel_offset; |
| 2994 | |
| 2995 | |
| 2996 | if (!do_reloc) |
| 2997 | return 1; |
| 2998 | |
| 2999 | if (do_using_dynamic) |
| 3000 | { |
| 3001 | int is_rela = FALSE; |
| 3002 | |
| 3003 | rel_size = 0; |
| 3004 | rel_offset = 0; |
| 3005 | |
| 3006 | if (dynamic_info[DT_REL]) |
| 3007 | { |
| 3008 | rel_offset = dynamic_info[DT_REL]; |
| 3009 | rel_size = dynamic_info[DT_RELSZ]; |
| 3010 | is_rela = FALSE; |
| 3011 | } |
| 3012 | else if (dynamic_info [DT_RELA]) |
| 3013 | { |
| 3014 | rel_offset = dynamic_info[DT_RELA]; |
| 3015 | rel_size = dynamic_info[DT_RELASZ]; |
| 3016 | is_rela = TRUE; |
| 3017 | } |
| 3018 | else if (dynamic_info[DT_JMPREL]) |
| 3019 | { |
| 3020 | rel_offset = dynamic_info[DT_JMPREL]; |
| 3021 | rel_size = dynamic_info[DT_PLTRELSZ]; |
| 3022 | |
| 3023 | switch (dynamic_info[DT_PLTREL]) |
| 3024 | { |
| 3025 | case DT_REL: |
| 3026 | is_rela = FALSE; |
| 3027 | break; |
| 3028 | case DT_RELA: |
| 3029 | is_rela = TRUE; |
| 3030 | break; |
| 3031 | default: |
| 3032 | is_rela = UNKNOWN; |
| 3033 | break; |
| 3034 | } |
| 3035 | } |
| 3036 | |
| 3037 | if (rel_size) |
| 3038 | { |
| 3039 | printf |
| 3040 | (_("\nRelocation section at offset 0x%lx contains %ld bytes:\n"), |
| 3041 | rel_offset, rel_size); |
| 3042 | |
| 3043 | dump_relocations (file, rel_offset - loadaddr, rel_size, |
| 3044 | dynamic_symbols, num_dynamic_syms, dynamic_strings, is_rela); |
| 3045 | } |
| 3046 | else |
| 3047 | printf (_("\nThere are no dynamic relocations in this file.\n")); |
| 3048 | } |
| 3049 | else |
| 3050 | { |
| 3051 | Elf32_Internal_Shdr * section; |
| 3052 | unsigned long i; |
| 3053 | int found = 0; |
| 3054 | |
| 3055 | for (i = 0, section = section_headers; |
| 3056 | i < elf_header.e_shnum; |
| 3057 | i++, section ++) |
| 3058 | { |
| 3059 | if ( section->sh_type != SHT_RELA |
| 3060 | && section->sh_type != SHT_REL) |
| 3061 | continue; |
| 3062 | |
| 3063 | rel_offset = section->sh_offset; |
| 3064 | rel_size = section->sh_size; |
| 3065 | |
| 3066 | if (rel_size) |
| 3067 | { |
| 3068 | Elf32_Internal_Shdr * strsec; |
| 3069 | Elf32_Internal_Shdr * symsec; |
| 3070 | Elf_Internal_Sym * symtab; |
| 3071 | char * strtab; |
| 3072 | int is_rela; |
| 3073 | unsigned long nsyms; |
| 3074 | |
| 3075 | printf (_("\nRelocation section ")); |
| 3076 | |
| 3077 | if (string_table == NULL) |
| 3078 | printf ("%d", section->sh_name); |
| 3079 | else |
| 3080 | printf ("'%s'", SECTION_NAME (section)); |
| 3081 | |
| 3082 | printf (_(" at offset 0x%lx contains %lu entries:\n"), |
| 3083 | rel_offset, (unsigned long) (rel_size / section->sh_entsize)); |
| 3084 | |
| 3085 | symsec = section_headers + section->sh_link; |
| 3086 | |
| 3087 | nsyms = symsec->sh_size / symsec->sh_entsize; |
| 3088 | symtab = GET_ELF_SYMBOLS (file, symsec->sh_offset, nsyms); |
| 3089 | |
| 3090 | if (symtab == NULL) |
| 3091 | continue; |
| 3092 | |
| 3093 | strsec = section_headers + symsec->sh_link; |
| 3094 | |
| 3095 | GET_DATA_ALLOC (strsec->sh_offset, strsec->sh_size, strtab, |
| 3096 | char *, "string table"); |
| 3097 | |
| 3098 | is_rela = section->sh_type == SHT_RELA; |
| 3099 | |
| 3100 | dump_relocations (file, rel_offset, rel_size, symtab, nsyms, strtab, is_rela); |
| 3101 | |
| 3102 | free (strtab); |
| 3103 | free (symtab); |
| 3104 | |
| 3105 | found = 1; |
| 3106 | } |
| 3107 | } |
| 3108 | |
| 3109 | if (! found) |
| 3110 | printf (_("\nThere are no relocations in this file.\n")); |
| 3111 | } |
| 3112 | |
| 3113 | return 1; |
| 3114 | } |
| 3115 | |
| 3116 | #include "unwind-ia64.h" |
| 3117 | |
| 3118 | /* An absolute address consists of a section and an offset. If the |
| 3119 | section is NULL, the offset itself is the address, otherwise, the |
| 3120 | address equals to LOAD_ADDRESS(section) + offset. */ |
| 3121 | |
| 3122 | struct absaddr |
| 3123 | { |
| 3124 | unsigned short section; |
| 3125 | bfd_vma offset; |
| 3126 | }; |
| 3127 | |
| 3128 | struct unw_aux_info |
| 3129 | { |
| 3130 | struct unw_table_entry |
| 3131 | { |
| 3132 | struct absaddr start; |
| 3133 | struct absaddr end; |
| 3134 | struct absaddr info; |
| 3135 | } |
| 3136 | *table; /* Unwind table. */ |
| 3137 | unsigned long table_len; /* Length of unwind table. */ |
| 3138 | unsigned char * info; /* Unwind info. */ |
| 3139 | unsigned long info_size; /* Size of unwind info. */ |
| 3140 | bfd_vma info_addr; /* starting address of unwind info. */ |
| 3141 | bfd_vma seg_base; /* Starting address of segment. */ |
| 3142 | Elf_Internal_Sym * symtab; /* The symbol table. */ |
| 3143 | unsigned long nsyms; /* Number of symbols. */ |
| 3144 | char * strtab; /* The string table. */ |
| 3145 | unsigned long strtab_size; /* Size of string table. */ |
| 3146 | }; |
| 3147 | |
| 3148 | static void find_symbol_for_address PARAMS ((struct unw_aux_info *, |
| 3149 | struct absaddr, const char **, |
| 3150 | bfd_vma *)); |
| 3151 | static void dump_ia64_unwind PARAMS ((struct unw_aux_info *)); |
| 3152 | static int slurp_ia64_unwind_table PARAMS ((FILE *, struct unw_aux_info *, |
| 3153 | Elf32_Internal_Shdr *)); |
| 3154 | |
| 3155 | static void |
| 3156 | find_symbol_for_address (aux, addr, symname, offset) |
| 3157 | struct unw_aux_info *aux; |
| 3158 | struct absaddr addr; |
| 3159 | const char **symname; |
| 3160 | bfd_vma *offset; |
| 3161 | { |
| 3162 | bfd_vma dist = (bfd_vma) 0x100000; |
| 3163 | Elf_Internal_Sym *sym, *best = NULL; |
| 3164 | unsigned long i; |
| 3165 | |
| 3166 | for (i = 0, sym = aux->symtab; i < aux->nsyms; ++i, ++sym) |
| 3167 | { |
| 3168 | if (ELF_ST_TYPE (sym->st_info) == STT_FUNC |
| 3169 | && sym->st_name != 0 |
| 3170 | && (addr.section == SHN_UNDEF || addr.section == sym->st_shndx) |
| 3171 | && addr.offset >= sym->st_value |
| 3172 | && addr.offset - sym->st_value < dist) |
| 3173 | { |
| 3174 | best = sym; |
| 3175 | dist = addr.offset - sym->st_value; |
| 3176 | if (!dist) |
| 3177 | break; |
| 3178 | } |
| 3179 | } |
| 3180 | if (best) |
| 3181 | { |
| 3182 | *symname = (best->st_name >= aux->strtab_size |
| 3183 | ? "<corrupt>" : aux->strtab + best->st_name); |
| 3184 | *offset = dist; |
| 3185 | return; |
| 3186 | } |
| 3187 | *symname = NULL; |
| 3188 | *offset = addr.offset; |
| 3189 | } |
| 3190 | |
| 3191 | static void |
| 3192 | dump_ia64_unwind (aux) |
| 3193 | struct unw_aux_info *aux; |
| 3194 | { |
| 3195 | bfd_vma addr_size; |
| 3196 | struct unw_table_entry * tp; |
| 3197 | int in_body; |
| 3198 | |
| 3199 | addr_size = is_32bit_elf ? 4 : 8; |
| 3200 | |
| 3201 | for (tp = aux->table; tp < aux->table + aux->table_len; ++tp) |
| 3202 | { |
| 3203 | bfd_vma stamp; |
| 3204 | bfd_vma offset; |
| 3205 | const unsigned char * dp; |
| 3206 | const unsigned char * head; |
| 3207 | const char * procname; |
| 3208 | |
| 3209 | find_symbol_for_address (aux, tp->start, &procname, &offset); |
| 3210 | |
| 3211 | fputs ("\n<", stdout); |
| 3212 | |
| 3213 | if (procname) |
| 3214 | { |
| 3215 | fputs (procname, stdout); |
| 3216 | |
| 3217 | if (offset) |
| 3218 | printf ("+%lx", (unsigned long) offset); |
| 3219 | } |
| 3220 | |
| 3221 | fputs (">: [", stdout); |
| 3222 | print_vma (tp->start.offset, PREFIX_HEX); |
| 3223 | fputc ('-', stdout); |
| 3224 | print_vma (tp->end.offset, PREFIX_HEX); |
| 3225 | printf ("), info at +0x%lx\n", |
| 3226 | (unsigned long) (tp->info.offset - aux->seg_base)); |
| 3227 | |
| 3228 | head = aux->info + (tp->info.offset - aux->info_addr); |
| 3229 | stamp = BYTE_GET8 ((unsigned char *) head); |
| 3230 | |
| 3231 | printf (" v%u, flags=0x%lx (%s%s ), len=%lu bytes\n", |
| 3232 | (unsigned) UNW_VER (stamp), |
| 3233 | (unsigned long) ((stamp & UNW_FLAG_MASK) >> 32), |
| 3234 | UNW_FLAG_EHANDLER (stamp) ? " ehandler" : "", |
| 3235 | UNW_FLAG_UHANDLER (stamp) ? " uhandler" : "", |
| 3236 | (unsigned long) (addr_size * UNW_LENGTH (stamp))); |
| 3237 | |
| 3238 | if (UNW_VER (stamp) != 1) |
| 3239 | { |
| 3240 | printf ("\tUnknown version.\n"); |
| 3241 | continue; |
| 3242 | } |
| 3243 | |
| 3244 | in_body = 0; |
| 3245 | for (dp = head + 8; dp < head + 8 + addr_size * UNW_LENGTH (stamp);) |
| 3246 | dp = unw_decode (dp, in_body, & in_body); |
| 3247 | } |
| 3248 | } |
| 3249 | |
| 3250 | static int |
| 3251 | slurp_ia64_unwind_table (file, aux, sec) |
| 3252 | FILE *file; |
| 3253 | struct unw_aux_info *aux; |
| 3254 | Elf32_Internal_Shdr *sec; |
| 3255 | { |
| 3256 | unsigned long size, addr_size, nrelas, i; |
| 3257 | Elf_Internal_Phdr *prog_hdrs, *seg; |
| 3258 | struct unw_table_entry *tep; |
| 3259 | Elf32_Internal_Shdr *relsec; |
| 3260 | Elf_Internal_Rela *rela, *rp; |
| 3261 | unsigned char *table, *tp; |
| 3262 | Elf_Internal_Sym *sym; |
| 3263 | const char *relname; |
| 3264 | int result; |
| 3265 | |
| 3266 | addr_size = is_32bit_elf ? 4 : 8; |
| 3267 | |
| 3268 | /* First, find the starting address of the segment that includes |
| 3269 | this section: */ |
| 3270 | |
| 3271 | if (elf_header.e_phnum) |
| 3272 | { |
| 3273 | prog_hdrs = (Elf_Internal_Phdr *) |
| 3274 | xmalloc (elf_header.e_phnum * sizeof (Elf_Internal_Phdr)); |
| 3275 | |
| 3276 | if (is_32bit_elf) |
| 3277 | result = get_32bit_program_headers (file, prog_hdrs); |
| 3278 | else |
| 3279 | result = get_64bit_program_headers (file, prog_hdrs); |
| 3280 | |
| 3281 | if (!result) |
| 3282 | { |
| 3283 | free (prog_hdrs); |
| 3284 | return 0; |
| 3285 | } |
| 3286 | |
| 3287 | for (seg = prog_hdrs; seg < prog_hdrs + elf_header.e_phnum; ++seg) |
| 3288 | { |
| 3289 | if (seg->p_type != PT_LOAD) |
| 3290 | continue; |
| 3291 | |
| 3292 | if (sec->sh_addr >= seg->p_vaddr |
| 3293 | && (sec->sh_addr + sec->sh_size <= seg->p_vaddr + seg->p_memsz)) |
| 3294 | { |
| 3295 | aux->seg_base = seg->p_vaddr; |
| 3296 | break; |
| 3297 | } |
| 3298 | } |
| 3299 | |
| 3300 | free (prog_hdrs); |
| 3301 | } |
| 3302 | |
| 3303 | /* Second, build the unwind table from the contents of the unwind section: */ |
| 3304 | size = sec->sh_size; |
| 3305 | GET_DATA_ALLOC (sec->sh_offset, size, table, char *, "unwind table"); |
| 3306 | |
| 3307 | tep = aux->table = xmalloc (size / (3 * addr_size) * sizeof (aux->table[0])); |
| 3308 | for (tp = table; tp < table + size; tp += 3 * addr_size, ++ tep) |
| 3309 | { |
| 3310 | tep->start.section = SHN_UNDEF; |
| 3311 | tep->end.section = SHN_UNDEF; |
| 3312 | tep->info.section = SHN_UNDEF; |
| 3313 | if (is_32bit_elf) |
| 3314 | { |
| 3315 | tep->start.offset = byte_get ((unsigned char *) tp + 0, 4); |
| 3316 | tep->end.offset = byte_get ((unsigned char *) tp + 4, 4); |
| 3317 | tep->info.offset = byte_get ((unsigned char *) tp + 8, 4); |
| 3318 | } |
| 3319 | else |
| 3320 | { |
| 3321 | tep->start.offset = BYTE_GET8 ((unsigned char *) tp + 0); |
| 3322 | tep->end.offset = BYTE_GET8 ((unsigned char *) tp + 8); |
| 3323 | tep->info.offset = BYTE_GET8 ((unsigned char *) tp + 16); |
| 3324 | } |
| 3325 | tep->start.offset += aux->seg_base; |
| 3326 | tep->end.offset += aux->seg_base; |
| 3327 | tep->info.offset += aux->seg_base; |
| 3328 | } |
| 3329 | free (table); |
| 3330 | |
| 3331 | /* Third, apply any relocations to the unwind table: */ |
| 3332 | |
| 3333 | for (relsec = section_headers; |
| 3334 | relsec < section_headers + elf_header.e_shnum; |
| 3335 | ++relsec) |
| 3336 | { |
| 3337 | if (relsec->sh_type != SHT_RELA |
| 3338 | || section_headers + relsec->sh_info != sec) |
| 3339 | continue; |
| 3340 | |
| 3341 | if (!slurp_rela_relocs (file, relsec->sh_offset, relsec->sh_size, |
| 3342 | & rela, & nrelas)) |
| 3343 | return 0; |
| 3344 | |
| 3345 | for (rp = rela; rp < rela + nrelas; ++rp) |
| 3346 | { |
| 3347 | if (is_32bit_elf) |
| 3348 | { |
| 3349 | relname = elf_ia64_reloc_type (ELF32_R_TYPE (rp->r_info)); |
| 3350 | sym = aux->symtab + ELF32_R_SYM (rp->r_info); |
| 3351 | |
| 3352 | if (ELF32_ST_TYPE (sym->st_info) != STT_SECTION) |
| 3353 | { |
| 3354 | warn (_("Skipping unexpected symbol type %u"), |
| 3355 | ELF32_ST_TYPE (sym->st_info)); |
| 3356 | continue; |
| 3357 | } |
| 3358 | } |
| 3359 | else |
| 3360 | { |
| 3361 | relname = elf_ia64_reloc_type (ELF64_R_TYPE (rp->r_info)); |
| 3362 | sym = aux->symtab + ELF64_R_SYM (rp->r_info); |
| 3363 | |
| 3364 | if (ELF64_ST_TYPE (sym->st_info) != STT_SECTION) |
| 3365 | { |
| 3366 | warn (_("Skipping unexpected symbol type %u"), |
| 3367 | ELF64_ST_TYPE (sym->st_info)); |
| 3368 | continue; |
| 3369 | } |
| 3370 | } |
| 3371 | |
| 3372 | if (strncmp (relname, "R_IA64_SEGREL", 13) != 0) |
| 3373 | { |
| 3374 | warn (_("Skipping unexpected relocation type %s"), relname); |
| 3375 | continue; |
| 3376 | } |
| 3377 | |
| 3378 | i = rp->r_offset / (3 * addr_size); |
| 3379 | |
| 3380 | switch (rp->r_offset/addr_size % 3) |
| 3381 | { |
| 3382 | case 0: |
| 3383 | aux->table[i].start.section = sym->st_shndx; |
| 3384 | aux->table[i].start.offset += rp->r_addend; |
| 3385 | break; |
| 3386 | case 1: |
| 3387 | aux->table[i].end.section = sym->st_shndx; |
| 3388 | aux->table[i].end.offset += rp->r_addend; |
| 3389 | break; |
| 3390 | case 2: |
| 3391 | aux->table[i].info.section = sym->st_shndx; |
| 3392 | aux->table[i].info.offset += rp->r_addend; |
| 3393 | break; |
| 3394 | default: |
| 3395 | break; |
| 3396 | } |
| 3397 | } |
| 3398 | |
| 3399 | free (rela); |
| 3400 | } |
| 3401 | |
| 3402 | aux->table_len = size / (3 * addr_size); |
| 3403 | return 1; |
| 3404 | } |
| 3405 | |
| 3406 | static int |
| 3407 | process_unwind (file) |
| 3408 | FILE * file; |
| 3409 | { |
| 3410 | Elf32_Internal_Shdr *sec, *unwsec = NULL, *strsec; |
| 3411 | unsigned long i, addr_size, unwcount = 0, unwstart = 0; |
| 3412 | struct unw_aux_info aux; |
| 3413 | |
| 3414 | if (!do_unwind) |
| 3415 | return 1; |
| 3416 | |
| 3417 | if (elf_header.e_machine != EM_IA_64) |
| 3418 | { |
| 3419 | printf (_("\nThere are no unwind sections in this file.\n")); |
| 3420 | return 1; |
| 3421 | } |
| 3422 | |
| 3423 | memset (& aux, 0, sizeof (aux)); |
| 3424 | |
| 3425 | addr_size = is_32bit_elf ? 4 : 8; |
| 3426 | |
| 3427 | for (i = 0, sec = section_headers; i < elf_header.e_shnum; ++i, ++sec) |
| 3428 | { |
| 3429 | if (sec->sh_type == SHT_SYMTAB) |
| 3430 | { |
| 3431 | aux.nsyms = sec->sh_size / sec->sh_entsize; |
| 3432 | aux.symtab = GET_ELF_SYMBOLS (file, sec->sh_offset, aux.nsyms); |
| 3433 | |
| 3434 | strsec = section_headers + sec->sh_link; |
| 3435 | aux.strtab_size = strsec->sh_size; |
| 3436 | GET_DATA_ALLOC (strsec->sh_offset, aux.strtab_size, |
| 3437 | aux.strtab, char *, "string table"); |
| 3438 | } |
| 3439 | else if (sec->sh_type == SHT_IA_64_UNWIND) |
| 3440 | unwcount++; |
| 3441 | } |
| 3442 | |
| 3443 | if (!unwcount) |
| 3444 | printf (_("\nThere are no unwind sections in this file.\n")); |
| 3445 | |
| 3446 | while (unwcount-- > 0) |
| 3447 | { |
| 3448 | char *suffix; |
| 3449 | size_t len, len2; |
| 3450 | |
| 3451 | for (i = unwstart, sec = section_headers + unwstart; |
| 3452 | i < elf_header.e_shnum; ++i, ++sec) |
| 3453 | if (sec->sh_type == SHT_IA_64_UNWIND) |
| 3454 | { |
| 3455 | unwsec = sec; |
| 3456 | break; |
| 3457 | } |
| 3458 | |
| 3459 | unwstart = i + 1; |
| 3460 | len = sizeof (ELF_STRING_ia64_unwind_once) - 1; |
| 3461 | |
| 3462 | if (strncmp (SECTION_NAME (unwsec), ELF_STRING_ia64_unwind_once, |
| 3463 | len) == 0) |
| 3464 | { |
| 3465 | /* .gnu.linkonce.ia64unw.FOO -> .gnu.linkonce.ia64unwi.FOO */ |
| 3466 | len2 = sizeof (ELF_STRING_ia64_unwind_info_once) - 1; |
| 3467 | suffix = SECTION_NAME (unwsec) + len; |
| 3468 | for (i = 0, sec = section_headers; i < elf_header.e_shnum; |
| 3469 | ++i, ++sec) |
| 3470 | if (strncmp (SECTION_NAME (sec), |
| 3471 | ELF_STRING_ia64_unwind_info_once, len2) == 0 |
| 3472 | && strcmp (SECTION_NAME (sec) + len2, suffix) == 0) |
| 3473 | break; |
| 3474 | } |
| 3475 | else |
| 3476 | { |
| 3477 | /* .IA_64.unwindFOO -> .IA_64.unwind_infoFOO |
| 3478 | .IA_64.unwind or BAR -> .IA_64.unwind_info */ |
| 3479 | len = sizeof (ELF_STRING_ia64_unwind) - 1; |
| 3480 | len2 = sizeof (ELF_STRING_ia64_unwind_info) - 1; |
| 3481 | suffix = ""; |
| 3482 | if (strncmp (SECTION_NAME (unwsec), ELF_STRING_ia64_unwind, |
| 3483 | len) == 0) |
| 3484 | suffix = SECTION_NAME (unwsec) + len; |
| 3485 | for (i = 0, sec = section_headers; i < elf_header.e_shnum; |
| 3486 | ++i, ++sec) |
| 3487 | if (strncmp (SECTION_NAME (sec), |
| 3488 | ELF_STRING_ia64_unwind_info, len2) == 0 |
| 3489 | && strcmp (SECTION_NAME (sec) + len2, suffix) == 0) |
| 3490 | break; |
| 3491 | } |
| 3492 | |
| 3493 | if (i == elf_header.e_shnum) |
| 3494 | { |
| 3495 | printf (_("\nCould not find unwind info section for ")); |
| 3496 | |
| 3497 | if (string_table == NULL) |
| 3498 | printf ("%d", unwsec->sh_name); |
| 3499 | else |
| 3500 | printf ("'%s'", SECTION_NAME (unwsec)); |
| 3501 | } |
| 3502 | else |
| 3503 | { |
| 3504 | aux.info_size = sec->sh_size; |
| 3505 | aux.info_addr = sec->sh_addr; |
| 3506 | GET_DATA_ALLOC (sec->sh_offset, aux.info_size, aux.info, |
| 3507 | char *, "unwind info"); |
| 3508 | |
| 3509 | printf (_("\nUnwind section ")); |
| 3510 | |
| 3511 | if (string_table == NULL) |
| 3512 | printf ("%d", unwsec->sh_name); |
| 3513 | else |
| 3514 | printf ("'%s'", SECTION_NAME (unwsec)); |
| 3515 | |
| 3516 | printf (_(" at offset 0x%lx contains %lu entries:\n"), |
| 3517 | unwsec->sh_offset, |
| 3518 | (unsigned long) (unwsec->sh_size / (3 * addr_size))); |
| 3519 | |
| 3520 | (void) slurp_ia64_unwind_table (file, & aux, unwsec); |
| 3521 | |
| 3522 | if (aux.table_len > 0) |
| 3523 | dump_ia64_unwind (& aux); |
| 3524 | |
| 3525 | if (aux.table) |
| 3526 | free ((char *) aux.table); |
| 3527 | if (aux.info) |
| 3528 | free ((char *) aux.info); |
| 3529 | aux.table = NULL; |
| 3530 | aux.info = NULL; |
| 3531 | } |
| 3532 | } |
| 3533 | |
| 3534 | if (aux.symtab) |
| 3535 | free (aux.symtab); |
| 3536 | if (aux.strtab) |
| 3537 | free ((char *) aux.strtab); |
| 3538 | |
| 3539 | return 1; |
| 3540 | } |
| 3541 | |
| 3542 | static void |
| 3543 | dynamic_segment_mips_val (entry) |
| 3544 | Elf_Internal_Dyn * entry; |
| 3545 | { |
| 3546 | switch (entry->d_tag) |
| 3547 | { |
| 3548 | case DT_MIPS_FLAGS: |
| 3549 | if (entry->d_un.d_val == 0) |
| 3550 | printf ("NONE\n"); |
| 3551 | else |
| 3552 | { |
| 3553 | static const char * opts[] = |
| 3554 | { |
| 3555 | "QUICKSTART", "NOTPOT", "NO_LIBRARY_REPLACEMENT", |
| 3556 | "NO_MOVE", "SGI_ONLY", "GUARANTEE_INIT", "DELTA_C_PLUS_PLUS", |
| 3557 | "GUARANTEE_START_INIT", "PIXIE", "DEFAULT_DELAY_LOAD", |
| 3558 | "REQUICKSTART", "REQUICKSTARTED", "CORD", "NO_UNRES_UNDEF", |
| 3559 | "RLD_ORDER_SAFE" |
| 3560 | }; |
| 3561 | unsigned int cnt; |
| 3562 | int first = 1; |
| 3563 | for (cnt = 0; cnt < NUM_ELEM (opts); ++ cnt) |
| 3564 | if (entry->d_un.d_val & (1 << cnt)) |
| 3565 | { |
| 3566 | printf ("%s%s", first ? "" : " ", opts[cnt]); |
| 3567 | first = 0; |
| 3568 | } |
| 3569 | puts (""); |
| 3570 | } |
| 3571 | break; |
| 3572 | |
| 3573 | case DT_MIPS_IVERSION: |
| 3574 | if (dynamic_strings != NULL) |
| 3575 | printf ("Interface Version: %s\n", |
| 3576 | dynamic_strings + entry->d_un.d_val); |
| 3577 | else |
| 3578 | printf ("%ld\n", (long) entry->d_un.d_ptr); |
| 3579 | break; |
| 3580 | |
| 3581 | case DT_MIPS_TIME_STAMP: |
| 3582 | { |
| 3583 | char timebuf[20]; |
| 3584 | struct tm * tmp; |
| 3585 | |
| 3586 | time_t time = entry->d_un.d_val; |
| 3587 | tmp = gmtime (&time); |
| 3588 | sprintf (timebuf, "%04u-%02u-%02uT%02u:%02u:%02u", |
| 3589 | tmp->tm_year + 1900, tmp->tm_mon + 1, tmp->tm_mday, |
| 3590 | tmp->tm_hour, tmp->tm_min, tmp->tm_sec); |
| 3591 | printf ("Time Stamp: %s\n", timebuf); |
| 3592 | } |
| 3593 | break; |
| 3594 | |
| 3595 | case DT_MIPS_RLD_VERSION: |
| 3596 | case DT_MIPS_LOCAL_GOTNO: |
| 3597 | case DT_MIPS_CONFLICTNO: |
| 3598 | case DT_MIPS_LIBLISTNO: |
| 3599 | case DT_MIPS_SYMTABNO: |
| 3600 | case DT_MIPS_UNREFEXTNO: |
| 3601 | case DT_MIPS_HIPAGENO: |
| 3602 | case DT_MIPS_DELTA_CLASS_NO: |
| 3603 | case DT_MIPS_DELTA_INSTANCE_NO: |
| 3604 | case DT_MIPS_DELTA_RELOC_NO: |
| 3605 | case DT_MIPS_DELTA_SYM_NO: |
| 3606 | case DT_MIPS_DELTA_CLASSSYM_NO: |
| 3607 | case DT_MIPS_COMPACT_SIZE: |
| 3608 | printf ("%ld\n", (long) entry->d_un.d_ptr); |
| 3609 | break; |
| 3610 | |
| 3611 | default: |
| 3612 | printf ("%#lx\n", (long) entry->d_un.d_ptr); |
| 3613 | } |
| 3614 | } |
| 3615 | |
| 3616 | |
| 3617 | static void |
| 3618 | dynamic_segment_parisc_val (entry) |
| 3619 | Elf_Internal_Dyn * entry; |
| 3620 | { |
| 3621 | switch (entry->d_tag) |
| 3622 | { |
| 3623 | case DT_HP_DLD_FLAGS: |
| 3624 | { |
| 3625 | static struct |
| 3626 | { |
| 3627 | long int bit; |
| 3628 | const char * str; |
| 3629 | } |
| 3630 | flags[] = |
| 3631 | { |
| 3632 | { DT_HP_DEBUG_PRIVATE, "HP_DEBUG_PRIVATE" }, |
| 3633 | { DT_HP_DEBUG_CALLBACK, "HP_DEBUG_CALLBACK" }, |
| 3634 | { DT_HP_DEBUG_CALLBACK_BOR, "HP_DEBUG_CALLBACK_BOR" }, |
| 3635 | { DT_HP_NO_ENVVAR, "HP_NO_ENVVAR" }, |
| 3636 | { DT_HP_BIND_NOW, "HP_BIND_NOW" }, |
| 3637 | { DT_HP_BIND_NONFATAL, "HP_BIND_NONFATAL" }, |
| 3638 | { DT_HP_BIND_VERBOSE, "HP_BIND_VERBOSE" }, |
| 3639 | { DT_HP_BIND_RESTRICTED, "HP_BIND_RESTRICTED" }, |
| 3640 | { DT_HP_BIND_SYMBOLIC, "HP_BIND_SYMBOLIC" }, |
| 3641 | { DT_HP_RPATH_FIRST, "HP_RPATH_FIRST" }, |
| 3642 | { DT_HP_BIND_DEPTH_FIRST, "HP_BIND_DEPTH_FIRST" } |
| 3643 | }; |
| 3644 | int first = 1; |
| 3645 | size_t cnt; |
| 3646 | bfd_vma val = entry->d_un.d_val; |
| 3647 | |
| 3648 | for (cnt = 0; cnt < sizeof (flags) / sizeof (flags[0]); ++cnt) |
| 3649 | if (val & flags[cnt].bit) |
| 3650 | { |
| 3651 | if (! first) |
| 3652 | putchar (' '); |
| 3653 | fputs (flags[cnt].str, stdout); |
| 3654 | first = 0; |
| 3655 | val ^= flags[cnt].bit; |
| 3656 | } |
| 3657 | |
| 3658 | if (val != 0 || first) |
| 3659 | { |
| 3660 | if (! first) |
| 3661 | putchar (' '); |
| 3662 | print_vma (val, HEX); |
| 3663 | } |
| 3664 | } |
| 3665 | break; |
| 3666 | |
| 3667 | default: |
| 3668 | print_vma (entry->d_un.d_ptr, PREFIX_HEX); |
| 3669 | break; |
| 3670 | } |
| 3671 | } |
| 3672 | |
| 3673 | static int |
| 3674 | get_32bit_dynamic_segment (file) |
| 3675 | FILE * file; |
| 3676 | { |
| 3677 | Elf32_External_Dyn * edyn; |
| 3678 | Elf_Internal_Dyn * entry; |
| 3679 | bfd_size_type i; |
| 3680 | |
| 3681 | GET_DATA_ALLOC (dynamic_addr, dynamic_size, |
| 3682 | edyn, Elf32_External_Dyn *, "dynamic segment"); |
| 3683 | |
| 3684 | /* SGI's ELF has more than one section in the DYNAMIC segment. Determine |
| 3685 | how large this .dynamic is now. We can do this even before the byte |
| 3686 | swapping since the DT_NULL tag is recognizable. */ |
| 3687 | dynamic_size = 0; |
| 3688 | while (*(Elf32_Word *) edyn [dynamic_size++].d_tag != DT_NULL) |
| 3689 | ; |
| 3690 | |
| 3691 | dynamic_segment = (Elf_Internal_Dyn *) |
| 3692 | malloc (dynamic_size * sizeof (Elf_Internal_Dyn)); |
| 3693 | |
| 3694 | if (dynamic_segment == NULL) |
| 3695 | { |
| 3696 | error (_("Out of memory\n")); |
| 3697 | free (edyn); |
| 3698 | return 0; |
| 3699 | } |
| 3700 | |
| 3701 | for (i = 0, entry = dynamic_segment; |
| 3702 | i < dynamic_size; |
| 3703 | i ++, entry ++) |
| 3704 | { |
| 3705 | entry->d_tag = BYTE_GET (edyn [i].d_tag); |
| 3706 | entry->d_un.d_val = BYTE_GET (edyn [i].d_un.d_val); |
| 3707 | } |
| 3708 | |
| 3709 | free (edyn); |
| 3710 | |
| 3711 | return 1; |
| 3712 | } |
| 3713 | |
| 3714 | static int |
| 3715 | get_64bit_dynamic_segment (file) |
| 3716 | FILE * file; |
| 3717 | { |
| 3718 | Elf64_External_Dyn * edyn; |
| 3719 | Elf_Internal_Dyn * entry; |
| 3720 | bfd_size_type i; |
| 3721 | |
| 3722 | GET_DATA_ALLOC (dynamic_addr, dynamic_size, |
| 3723 | edyn, Elf64_External_Dyn *, "dynamic segment"); |
| 3724 | |
| 3725 | /* SGI's ELF has more than one section in the DYNAMIC segment. Determine |
| 3726 | how large this .dynamic is now. We can do this even before the byte |
| 3727 | swapping since the DT_NULL tag is recognizable. */ |
| 3728 | dynamic_size = 0; |
| 3729 | while (*(bfd_vma *) edyn [dynamic_size ++].d_tag != DT_NULL) |
| 3730 | ; |
| 3731 | |
| 3732 | dynamic_segment = (Elf_Internal_Dyn *) |
| 3733 | malloc (dynamic_size * sizeof (Elf_Internal_Dyn)); |
| 3734 | |
| 3735 | if (dynamic_segment == NULL) |
| 3736 | { |
| 3737 | error (_("Out of memory\n")); |
| 3738 | free (edyn); |
| 3739 | return 0; |
| 3740 | } |
| 3741 | |
| 3742 | for (i = 0, entry = dynamic_segment; |
| 3743 | i < dynamic_size; |
| 3744 | i ++, entry ++) |
| 3745 | { |
| 3746 | entry->d_tag = BYTE_GET8 (edyn [i].d_tag); |
| 3747 | entry->d_un.d_val = BYTE_GET8 (edyn [i].d_un.d_val); |
| 3748 | } |
| 3749 | |
| 3750 | free (edyn); |
| 3751 | |
| 3752 | return 1; |
| 3753 | } |
| 3754 | |
| 3755 | static const char * |
| 3756 | get_dynamic_flags (flags) |
| 3757 | bfd_vma flags; |
| 3758 | { |
| 3759 | static char buff [64]; |
| 3760 | while (flags) |
| 3761 | { |
| 3762 | bfd_vma flag; |
| 3763 | |
| 3764 | flag = flags & - flags; |
| 3765 | flags &= ~ flag; |
| 3766 | |
| 3767 | switch (flag) |
| 3768 | { |
| 3769 | case DF_ORIGIN: strcat (buff, "ORIGIN "); break; |
| 3770 | case DF_SYMBOLIC: strcat (buff, "SYMBOLIC "); break; |
| 3771 | case DF_TEXTREL: strcat (buff, "TEXTREL "); break; |
| 3772 | case DF_BIND_NOW: strcat (buff, "BIND_NOW "); break; |
| 3773 | default: strcat (buff, "unknown "); break; |
| 3774 | } |
| 3775 | } |
| 3776 | return buff; |
| 3777 | } |
| 3778 | |
| 3779 | /* Parse and display the contents of the dynamic segment. */ |
| 3780 | static int |
| 3781 | process_dynamic_segment (file) |
| 3782 | FILE * file; |
| 3783 | { |
| 3784 | Elf_Internal_Dyn * entry; |
| 3785 | bfd_size_type i; |
| 3786 | |
| 3787 | if (dynamic_size == 0) |
| 3788 | { |
| 3789 | if (do_dynamic) |
| 3790 | printf (_("\nThere is no dynamic segment in this file.\n")); |
| 3791 | |
| 3792 | return 1; |
| 3793 | } |
| 3794 | |
| 3795 | if (is_32bit_elf) |
| 3796 | { |
| 3797 | if (! get_32bit_dynamic_segment (file)) |
| 3798 | return 0; |
| 3799 | } |
| 3800 | else if (! get_64bit_dynamic_segment (file)) |
| 3801 | return 0; |
| 3802 | |
| 3803 | /* Find the appropriate symbol table. */ |
| 3804 | if (dynamic_symbols == NULL) |
| 3805 | { |
| 3806 | for (i = 0, entry = dynamic_segment; |
| 3807 | i < dynamic_size; |
| 3808 | ++i, ++ entry) |
| 3809 | { |
| 3810 | unsigned long offset; |
| 3811 | |
| 3812 | if (entry->d_tag != DT_SYMTAB) |
| 3813 | continue; |
| 3814 | |
| 3815 | dynamic_info[DT_SYMTAB] = entry->d_un.d_val; |
| 3816 | |
| 3817 | /* Since we do not know how big the symbol table is, |
| 3818 | we default to reading in the entire file (!) and |
| 3819 | processing that. This is overkill, I know, but it |
| 3820 | should work. */ |
| 3821 | offset = entry->d_un.d_val - loadaddr; |
| 3822 | |
| 3823 | if (fseek (file, 0, SEEK_END)) |
| 3824 | error (_("Unable to seek to end of file!")); |
| 3825 | |
| 3826 | if (is_32bit_elf) |
| 3827 | num_dynamic_syms = (ftell (file) - offset) / sizeof (Elf32_External_Sym); |
| 3828 | else |
| 3829 | num_dynamic_syms = (ftell (file) - offset) / sizeof (Elf64_External_Sym); |
| 3830 | |
| 3831 | if (num_dynamic_syms < 1) |
| 3832 | { |
| 3833 | error (_("Unable to determine the number of symbols to load\n")); |
| 3834 | continue; |
| 3835 | } |
| 3836 | |
| 3837 | dynamic_symbols = GET_ELF_SYMBOLS (file, offset, num_dynamic_syms); |
| 3838 | } |
| 3839 | } |
| 3840 | |
| 3841 | /* Similarly find a string table. */ |
| 3842 | if (dynamic_strings == NULL) |
| 3843 | { |
| 3844 | for (i = 0, entry = dynamic_segment; |
| 3845 | i < dynamic_size; |
| 3846 | ++i, ++ entry) |
| 3847 | { |
| 3848 | unsigned long offset; |
| 3849 | long str_tab_len; |
| 3850 | |
| 3851 | if (entry->d_tag != DT_STRTAB) |
| 3852 | continue; |
| 3853 | |
| 3854 | dynamic_info[DT_STRTAB] = entry->d_un.d_val; |
| 3855 | |
| 3856 | /* Since we do not know how big the string table is, |
| 3857 | we default to reading in the entire file (!) and |
| 3858 | processing that. This is overkill, I know, but it |
| 3859 | should work. */ |
| 3860 | |
| 3861 | offset = entry->d_un.d_val - loadaddr; |
| 3862 | if (fseek (file, 0, SEEK_END)) |
| 3863 | error (_("Unable to seek to end of file\n")); |
| 3864 | str_tab_len = ftell (file) - offset; |
| 3865 | |
| 3866 | if (str_tab_len < 1) |
| 3867 | { |
| 3868 | error |
| 3869 | (_("Unable to determine the length of the dynamic string table\n")); |
| 3870 | continue; |
| 3871 | } |
| 3872 | |
| 3873 | GET_DATA_ALLOC (offset, str_tab_len, dynamic_strings, char *, |
| 3874 | "dynamic string table"); |
| 3875 | |
| 3876 | break; |
| 3877 | } |
| 3878 | } |
| 3879 | |
| 3880 | /* And find the syminfo section if available. */ |
| 3881 | if (dynamic_syminfo == NULL) |
| 3882 | { |
| 3883 | unsigned int syminsz = 0; |
| 3884 | |
| 3885 | for (i = 0, entry = dynamic_segment; |
| 3886 | i < dynamic_size; |
| 3887 | ++i, ++ entry) |
| 3888 | { |
| 3889 | if (entry->d_tag == DT_SYMINENT) |
| 3890 | { |
| 3891 | /* Note: these braces are necessary to avoid a syntax |
| 3892 | error from the SunOS4 C compiler. */ |
| 3893 | assert (sizeof (Elf_External_Syminfo) == entry->d_un.d_val); |
| 3894 | } |
| 3895 | else if (entry->d_tag == DT_SYMINSZ) |
| 3896 | syminsz = entry->d_un.d_val; |
| 3897 | else if (entry->d_tag == DT_SYMINFO) |
| 3898 | dynamic_syminfo_offset = entry->d_un.d_val - loadaddr; |
| 3899 | } |
| 3900 | |
| 3901 | if (dynamic_syminfo_offset != 0 && syminsz != 0) |
| 3902 | { |
| 3903 | Elf_External_Syminfo * extsyminfo; |
| 3904 | Elf_Internal_Syminfo * syminfo; |
| 3905 | |
| 3906 | /* There is a syminfo section. Read the data. */ |
| 3907 | GET_DATA_ALLOC (dynamic_syminfo_offset, syminsz, extsyminfo, |
| 3908 | Elf_External_Syminfo *, "symbol information"); |
| 3909 | |
| 3910 | dynamic_syminfo = (Elf_Internal_Syminfo *) malloc (syminsz); |
| 3911 | if (dynamic_syminfo == NULL) |
| 3912 | { |
| 3913 | error (_("Out of memory\n")); |
| 3914 | return 0; |
| 3915 | } |
| 3916 | |
| 3917 | dynamic_syminfo_nent = syminsz / sizeof (Elf_External_Syminfo); |
| 3918 | for (i = 0, syminfo = dynamic_syminfo; i < dynamic_syminfo_nent; |
| 3919 | ++i, ++syminfo) |
| 3920 | { |
| 3921 | syminfo->si_boundto = BYTE_GET (extsyminfo[i].si_boundto); |
| 3922 | syminfo->si_flags = BYTE_GET (extsyminfo[i].si_flags); |
| 3923 | } |
| 3924 | |
| 3925 | free (extsyminfo); |
| 3926 | } |
| 3927 | } |
| 3928 | |
| 3929 | if (do_dynamic && dynamic_addr) |
| 3930 | printf (_("\nDynamic segment at offset 0x%x contains %ld entries:\n"), |
| 3931 | dynamic_addr, (long) dynamic_size); |
| 3932 | if (do_dynamic) |
| 3933 | printf (_(" Tag Type Name/Value\n")); |
| 3934 | |
| 3935 | for (i = 0, entry = dynamic_segment; |
| 3936 | i < dynamic_size; |
| 3937 | i++, entry ++) |
| 3938 | { |
| 3939 | if (do_dynamic) |
| 3940 | { |
| 3941 | const char * dtype; |
| 3942 | |
| 3943 | putchar (' '); |
| 3944 | print_vma (entry->d_tag, FULL_HEX); |
| 3945 | dtype = get_dynamic_type (entry->d_tag); |
| 3946 | printf (" (%s)%*s", dtype, |
| 3947 | ((is_32bit_elf ? 27 : 19) |
| 3948 | - (int) strlen (dtype)), |
| 3949 | " "); |
| 3950 | } |
| 3951 | |
| 3952 | switch (entry->d_tag) |
| 3953 | { |
| 3954 | case DT_FLAGS: |
| 3955 | if (do_dynamic) |
| 3956 | printf ("%s", get_dynamic_flags (entry->d_un.d_val)); |
| 3957 | break; |
| 3958 | |
| 3959 | case DT_AUXILIARY: |
| 3960 | case DT_FILTER: |
| 3961 | case DT_CONFIG: |
| 3962 | case DT_DEPAUDIT: |
| 3963 | case DT_AUDIT: |
| 3964 | if (do_dynamic) |
| 3965 | { |
| 3966 | switch (entry->d_tag) |
| 3967 | { |
| 3968 | case DT_AUXILIARY: |
| 3969 | printf (_("Auxiliary library")); |
| 3970 | break; |
| 3971 | |
| 3972 | case DT_FILTER: |
| 3973 | printf (_("Filter library")); |
| 3974 | break; |
| 3975 | |
| 3976 | case DT_CONFIG: |
| 3977 | printf (_("Configuration file")); |
| 3978 | break; |
| 3979 | |
| 3980 | case DT_DEPAUDIT: |
| 3981 | printf (_("Dependency audit library")); |
| 3982 | break; |
| 3983 | |
| 3984 | case DT_AUDIT: |
| 3985 | printf (_("Audit library")); |
| 3986 | break; |
| 3987 | } |
| 3988 | |
| 3989 | if (dynamic_strings) |
| 3990 | printf (": [%s]\n", dynamic_strings + entry->d_un.d_val); |
| 3991 | else |
| 3992 | { |
| 3993 | printf (": "); |
| 3994 | print_vma (entry->d_un.d_val, PREFIX_HEX); |
| 3995 | putchar ('\n'); |
| 3996 | } |
| 3997 | } |
| 3998 | break; |
| 3999 | |
| 4000 | case DT_FEATURE: |
| 4001 | if (do_dynamic) |
| 4002 | { |
| 4003 | printf (_("Flags:")); |
| 4004 | if (entry->d_un.d_val == 0) |
| 4005 | printf (_(" None\n")); |
| 4006 | else |
| 4007 | { |
| 4008 | unsigned long int val = entry->d_un.d_val; |
| 4009 | if (val & DTF_1_PARINIT) |
| 4010 | { |
| 4011 | printf (" PARINIT"); |
| 4012 | val ^= DTF_1_PARINIT; |
| 4013 | } |
| 4014 | if (val & DTF_1_CONFEXP) |
| 4015 | { |
| 4016 | printf (" CONFEXP"); |
| 4017 | val ^= DTF_1_CONFEXP; |
| 4018 | } |
| 4019 | if (val != 0) |
| 4020 | printf (" %lx", val); |
| 4021 | puts (""); |
| 4022 | } |
| 4023 | } |
| 4024 | break; |
| 4025 | |
| 4026 | case DT_POSFLAG_1: |
| 4027 | if (do_dynamic) |
| 4028 | { |
| 4029 | printf (_("Flags:")); |
| 4030 | if (entry->d_un.d_val == 0) |
| 4031 | printf (_(" None\n")); |
| 4032 | else |
| 4033 | { |
| 4034 | unsigned long int val = entry->d_un.d_val; |
| 4035 | if (val & DF_P1_LAZYLOAD) |
| 4036 | { |
| 4037 | printf (" LAZYLOAD"); |
| 4038 | val ^= DF_P1_LAZYLOAD; |
| 4039 | } |
| 4040 | if (val & DF_P1_GROUPPERM) |
| 4041 | { |
| 4042 | printf (" GROUPPERM"); |
| 4043 | val ^= DF_P1_GROUPPERM; |
| 4044 | } |
| 4045 | if (val != 0) |
| 4046 | printf (" %lx", val); |
| 4047 | puts (""); |
| 4048 | } |
| 4049 | } |
| 4050 | break; |
| 4051 | |
| 4052 | case DT_FLAGS_1: |
| 4053 | if (do_dynamic) |
| 4054 | { |
| 4055 | printf (_("Flags:")); |
| 4056 | if (entry->d_un.d_val == 0) |
| 4057 | printf (_(" None\n")); |
| 4058 | else |
| 4059 | { |
| 4060 | unsigned long int val = entry->d_un.d_val; |
| 4061 | if (val & DF_1_NOW) |
| 4062 | { |
| 4063 | printf (" NOW"); |
| 4064 | val ^= DF_1_NOW; |
| 4065 | } |
| 4066 | if (val & DF_1_GLOBAL) |
| 4067 | { |
| 4068 | printf (" GLOBAL"); |
| 4069 | val ^= DF_1_GLOBAL; |
| 4070 | } |
| 4071 | if (val & DF_1_GROUP) |
| 4072 | { |
| 4073 | printf (" GROUP"); |
| 4074 | val ^= DF_1_GROUP; |
| 4075 | } |
| 4076 | if (val & DF_1_NODELETE) |
| 4077 | { |
| 4078 | printf (" NODELETE"); |
| 4079 | val ^= DF_1_NODELETE; |
| 4080 | } |
| 4081 | if (val & DF_1_LOADFLTR) |
| 4082 | { |
| 4083 | printf (" LOADFLTR"); |
| 4084 | val ^= DF_1_LOADFLTR; |
| 4085 | } |
| 4086 | if (val & DF_1_INITFIRST) |
| 4087 | { |
| 4088 | printf (" INITFIRST"); |
| 4089 | val ^= DF_1_INITFIRST; |
| 4090 | } |
| 4091 | if (val & DF_1_NOOPEN) |
| 4092 | { |
| 4093 | printf (" NOOPEN"); |
| 4094 | val ^= DF_1_NOOPEN; |
| 4095 | } |
| 4096 | if (val & DF_1_ORIGIN) |
| 4097 | { |
| 4098 | printf (" ORIGIN"); |
| 4099 | val ^= DF_1_ORIGIN; |
| 4100 | } |
| 4101 | if (val & DF_1_DIRECT) |
| 4102 | { |
| 4103 | printf (" DIRECT"); |
| 4104 | val ^= DF_1_DIRECT; |
| 4105 | } |
| 4106 | if (val & DF_1_TRANS) |
| 4107 | { |
| 4108 | printf (" TRANS"); |
| 4109 | val ^= DF_1_TRANS; |
| 4110 | } |
| 4111 | if (val & DF_1_INTERPOSE) |
| 4112 | { |
| 4113 | printf (" INTERPOSE"); |
| 4114 | val ^= DF_1_INTERPOSE; |
| 4115 | } |
| 4116 | if (val & DF_1_NODEFLIB) |
| 4117 | { |
| 4118 | printf (" NODEFLIB"); |
| 4119 | val ^= DF_1_NODEFLIB; |
| 4120 | } |
| 4121 | if (val & DF_1_NODUMP) |
| 4122 | { |
| 4123 | printf (" NODUMP"); |
| 4124 | val ^= DF_1_NODUMP; |
| 4125 | } |
| 4126 | if (val & DF_1_CONLFAT) |
| 4127 | { |
| 4128 | printf (" CONLFAT"); |
| 4129 | val ^= DF_1_CONLFAT; |
| 4130 | } |
| 4131 | if (val != 0) |
| 4132 | printf (" %lx", val); |
| 4133 | puts (""); |
| 4134 | } |
| 4135 | } |
| 4136 | break; |
| 4137 | |
| 4138 | case DT_PLTREL: |
| 4139 | if (do_dynamic) |
| 4140 | puts (get_dynamic_type (entry->d_un.d_val)); |
| 4141 | break; |
| 4142 | |
| 4143 | case DT_NULL : |
| 4144 | case DT_NEEDED : |
| 4145 | case DT_PLTGOT : |
| 4146 | case DT_HASH : |
| 4147 | case DT_STRTAB : |
| 4148 | case DT_SYMTAB : |
| 4149 | case DT_RELA : |
| 4150 | case DT_INIT : |
| 4151 | case DT_FINI : |
| 4152 | case DT_SONAME : |
| 4153 | case DT_RPATH : |
| 4154 | case DT_SYMBOLIC: |
| 4155 | case DT_REL : |
| 4156 | case DT_DEBUG : |
| 4157 | case DT_TEXTREL : |
| 4158 | case DT_JMPREL : |
| 4159 | case DT_RUNPATH : |
| 4160 | dynamic_info[entry->d_tag] = entry->d_un.d_val; |
| 4161 | |
| 4162 | if (do_dynamic) |
| 4163 | { |
| 4164 | char * name; |
| 4165 | |
| 4166 | if (dynamic_strings == NULL) |
| 4167 | name = NULL; |
| 4168 | else |
| 4169 | name = dynamic_strings + entry->d_un.d_val; |
| 4170 | |
| 4171 | if (name) |
| 4172 | { |
| 4173 | switch (entry->d_tag) |
| 4174 | { |
| 4175 | case DT_NEEDED: |
| 4176 | printf (_("Shared library: [%s]"), name); |
| 4177 | |
| 4178 | if (strcmp (name, program_interpreter) == 0) |
| 4179 | printf (_(" program interpreter")); |
| 4180 | break; |
| 4181 | |
| 4182 | case DT_SONAME: |
| 4183 | printf (_("Library soname: [%s]"), name); |
| 4184 | break; |
| 4185 | |
| 4186 | case DT_RPATH: |
| 4187 | printf (_("Library rpath: [%s]"), name); |
| 4188 | break; |
| 4189 | |
| 4190 | case DT_RUNPATH: |
| 4191 | printf (_("Library runpath: [%s]"), name); |
| 4192 | break; |
| 4193 | |
| 4194 | default: |
| 4195 | print_vma (entry->d_un.d_val, PREFIX_HEX); |
| 4196 | break; |
| 4197 | } |
| 4198 | } |
| 4199 | else |
| 4200 | print_vma (entry->d_un.d_val, PREFIX_HEX); |
| 4201 | |
| 4202 | putchar ('\n'); |
| 4203 | } |
| 4204 | break; |
| 4205 | |
| 4206 | case DT_PLTRELSZ: |
| 4207 | case DT_RELASZ : |
| 4208 | case DT_STRSZ : |
| 4209 | case DT_RELSZ : |
| 4210 | case DT_RELAENT : |
| 4211 | case DT_SYMENT : |
| 4212 | case DT_RELENT : |
| 4213 | case DT_PLTPADSZ: |
| 4214 | case DT_MOVEENT : |
| 4215 | case DT_MOVESZ : |
| 4216 | case DT_INIT_ARRAYSZ: |
| 4217 | case DT_FINI_ARRAYSZ: |
| 4218 | if (do_dynamic) |
| 4219 | { |
| 4220 | print_vma (entry->d_un.d_val, UNSIGNED); |
| 4221 | printf (" (bytes)\n"); |
| 4222 | } |
| 4223 | break; |
| 4224 | |
| 4225 | case DT_VERDEFNUM: |
| 4226 | case DT_VERNEEDNUM: |
| 4227 | case DT_RELACOUNT: |
| 4228 | case DT_RELCOUNT: |
| 4229 | if (do_dynamic) |
| 4230 | { |
| 4231 | print_vma (entry->d_un.d_val, UNSIGNED); |
| 4232 | putchar ('\n'); |
| 4233 | } |
| 4234 | break; |
| 4235 | |
| 4236 | case DT_SYMINSZ: |
| 4237 | case DT_SYMINENT: |
| 4238 | case DT_SYMINFO: |
| 4239 | case DT_USED: |
| 4240 | case DT_INIT_ARRAY: |
| 4241 | case DT_FINI_ARRAY: |
| 4242 | if (do_dynamic) |
| 4243 | { |
| 4244 | if (dynamic_strings != NULL && entry->d_tag == DT_USED) |
| 4245 | { |
| 4246 | char * name; |
| 4247 | |
| 4248 | name = dynamic_strings + entry->d_un.d_val; |
| 4249 | |
| 4250 | if (* name) |
| 4251 | { |
| 4252 | printf (_("Not needed object: [%s]\n"), name); |
| 4253 | break; |
| 4254 | } |
| 4255 | } |
| 4256 | |
| 4257 | print_vma (entry->d_un.d_val, PREFIX_HEX); |
| 4258 | putchar ('\n'); |
| 4259 | } |
| 4260 | break; |
| 4261 | |
| 4262 | case DT_BIND_NOW: |
| 4263 | /* The value of this entry is ignored. */ |
| 4264 | break; |
| 4265 | |
| 4266 | default: |
| 4267 | if ((entry->d_tag >= DT_VERSYM) && (entry->d_tag <= DT_VERNEEDNUM)) |
| 4268 | version_info [DT_VERSIONTAGIDX (entry->d_tag)] = |
| 4269 | entry->d_un.d_val; |
| 4270 | |
| 4271 | if (do_dynamic) |
| 4272 | { |
| 4273 | switch (elf_header.e_machine) |
| 4274 | { |
| 4275 | case EM_MIPS: |
| 4276 | case EM_MIPS_RS4_BE: |
| 4277 | dynamic_segment_mips_val (entry); |
| 4278 | break; |
| 4279 | case EM_PARISC: |
| 4280 | dynamic_segment_parisc_val (entry); |
| 4281 | break; |
| 4282 | default: |
| 4283 | print_vma (entry->d_un.d_val, PREFIX_HEX); |
| 4284 | putchar ('\n'); |
| 4285 | } |
| 4286 | } |
| 4287 | break; |
| 4288 | } |
| 4289 | } |
| 4290 | |
| 4291 | return 1; |
| 4292 | } |
| 4293 | |
| 4294 | static char * |
| 4295 | get_ver_flags (flags) |
| 4296 | unsigned int flags; |
| 4297 | { |
| 4298 | static char buff [32]; |
| 4299 | |
| 4300 | buff[0] = 0; |
| 4301 | |
| 4302 | if (flags == 0) |
| 4303 | return _("none"); |
| 4304 | |
| 4305 | if (flags & VER_FLG_BASE) |
| 4306 | strcat (buff, "BASE "); |
| 4307 | |
| 4308 | if (flags & VER_FLG_WEAK) |
| 4309 | { |
| 4310 | if (flags & VER_FLG_BASE) |
| 4311 | strcat (buff, "| "); |
| 4312 | |
| 4313 | strcat (buff, "WEAK "); |
| 4314 | } |
| 4315 | |
| 4316 | if (flags & ~(VER_FLG_BASE | VER_FLG_WEAK)) |
| 4317 | strcat (buff, "| <unknown>"); |
| 4318 | |
| 4319 | return buff; |
| 4320 | } |
| 4321 | |
| 4322 | /* Display the contents of the version sections. */ |
| 4323 | static int |
| 4324 | process_version_sections (file) |
| 4325 | FILE * file; |
| 4326 | { |
| 4327 | Elf32_Internal_Shdr * section; |
| 4328 | unsigned i; |
| 4329 | int found = 0; |
| 4330 | |
| 4331 | if (! do_version) |
| 4332 | return 1; |
| 4333 | |
| 4334 | for (i = 0, section = section_headers; |
| 4335 | i < elf_header.e_shnum; |
| 4336 | i++, section ++) |
| 4337 | { |
| 4338 | switch (section->sh_type) |
| 4339 | { |
| 4340 | case SHT_GNU_verdef: |
| 4341 | { |
| 4342 | Elf_External_Verdef * edefs; |
| 4343 | unsigned int idx; |
| 4344 | unsigned int cnt; |
| 4345 | |
| 4346 | found = 1; |
| 4347 | |
| 4348 | printf |
| 4349 | (_("\nVersion definition section '%s' contains %ld entries:\n"), |
| 4350 | SECTION_NAME (section), section->sh_info); |
| 4351 | |
| 4352 | printf (_(" Addr: 0x")); |
| 4353 | printf_vma (section->sh_addr); |
| 4354 | printf (_(" Offset: %#08lx Link: %lx (%s)\n"), |
| 4355 | (unsigned long) section->sh_offset, section->sh_link, |
| 4356 | SECTION_NAME (section_headers + section->sh_link)); |
| 4357 | |
| 4358 | GET_DATA_ALLOC (section->sh_offset, section->sh_size, |
| 4359 | edefs, Elf_External_Verdef *, |
| 4360 | "version definition section"); |
| 4361 | |
| 4362 | for (idx = cnt = 0; cnt < section->sh_info; ++ cnt) |
| 4363 | { |
| 4364 | char * vstart; |
| 4365 | Elf_External_Verdef * edef; |
| 4366 | Elf_Internal_Verdef ent; |
| 4367 | Elf_External_Verdaux * eaux; |
| 4368 | Elf_Internal_Verdaux aux; |
| 4369 | int j; |
| 4370 | int isum; |
| 4371 | |
| 4372 | vstart = ((char *) edefs) + idx; |
| 4373 | |
| 4374 | edef = (Elf_External_Verdef *) vstart; |
| 4375 | |
| 4376 | ent.vd_version = BYTE_GET (edef->vd_version); |
| 4377 | ent.vd_flags = BYTE_GET (edef->vd_flags); |
| 4378 | ent.vd_ndx = BYTE_GET (edef->vd_ndx); |
| 4379 | ent.vd_cnt = BYTE_GET (edef->vd_cnt); |
| 4380 | ent.vd_hash = BYTE_GET (edef->vd_hash); |
| 4381 | ent.vd_aux = BYTE_GET (edef->vd_aux); |
| 4382 | ent.vd_next = BYTE_GET (edef->vd_next); |
| 4383 | |
| 4384 | printf (_(" %#06x: Rev: %d Flags: %s"), |
| 4385 | idx, ent.vd_version, get_ver_flags (ent.vd_flags)); |
| 4386 | |
| 4387 | printf (_(" Index: %d Cnt: %d "), |
| 4388 | ent.vd_ndx, ent.vd_cnt); |
| 4389 | |
| 4390 | vstart += ent.vd_aux; |
| 4391 | |
| 4392 | eaux = (Elf_External_Verdaux *) vstart; |
| 4393 | |
| 4394 | aux.vda_name = BYTE_GET (eaux->vda_name); |
| 4395 | aux.vda_next = BYTE_GET (eaux->vda_next); |
| 4396 | |
| 4397 | if (dynamic_strings) |
| 4398 | printf (_("Name: %s\n"), dynamic_strings + aux.vda_name); |
| 4399 | else |
| 4400 | printf (_("Name index: %ld\n"), aux.vda_name); |
| 4401 | |
| 4402 | isum = idx + ent.vd_aux; |
| 4403 | |
| 4404 | for (j = 1; j < ent.vd_cnt; j ++) |
| 4405 | { |
| 4406 | isum += aux.vda_next; |
| 4407 | vstart += aux.vda_next; |
| 4408 | |
| 4409 | eaux = (Elf_External_Verdaux *) vstart; |
| 4410 | |
| 4411 | aux.vda_name = BYTE_GET (eaux->vda_name); |
| 4412 | aux.vda_next = BYTE_GET (eaux->vda_next); |
| 4413 | |
| 4414 | if (dynamic_strings) |
| 4415 | printf (_(" %#06x: Parent %d: %s\n"), |
| 4416 | isum, j, dynamic_strings + aux.vda_name); |
| 4417 | else |
| 4418 | printf (_(" %#06x: Parent %d, name index: %ld\n"), |
| 4419 | isum, j, aux.vda_name); |
| 4420 | } |
| 4421 | |
| 4422 | idx += ent.vd_next; |
| 4423 | } |
| 4424 | |
| 4425 | free (edefs); |
| 4426 | } |
| 4427 | break; |
| 4428 | |
| 4429 | case SHT_GNU_verneed: |
| 4430 | { |
| 4431 | Elf_External_Verneed * eneed; |
| 4432 | unsigned int idx; |
| 4433 | unsigned int cnt; |
| 4434 | |
| 4435 | found = 1; |
| 4436 | |
| 4437 | printf (_("\nVersion needs section '%s' contains %ld entries:\n"), |
| 4438 | SECTION_NAME (section), section->sh_info); |
| 4439 | |
| 4440 | printf (_(" Addr: 0x")); |
| 4441 | printf_vma (section->sh_addr); |
| 4442 | printf (_(" Offset: %#08lx Link to section: %ld (%s)\n"), |
| 4443 | (unsigned long) section->sh_offset, section->sh_link, |
| 4444 | SECTION_NAME (section_headers + section->sh_link)); |
| 4445 | |
| 4446 | GET_DATA_ALLOC (section->sh_offset, section->sh_size, |
| 4447 | eneed, Elf_External_Verneed *, |
| 4448 | "version need section"); |
| 4449 | |
| 4450 | for (idx = cnt = 0; cnt < section->sh_info; ++cnt) |
| 4451 | { |
| 4452 | Elf_External_Verneed * entry; |
| 4453 | Elf_Internal_Verneed ent; |
| 4454 | int j; |
| 4455 | int isum; |
| 4456 | char * vstart; |
| 4457 | |
| 4458 | vstart = ((char *) eneed) + idx; |
| 4459 | |
| 4460 | entry = (Elf_External_Verneed *) vstart; |
| 4461 | |
| 4462 | ent.vn_version = BYTE_GET (entry->vn_version); |
| 4463 | ent.vn_cnt = BYTE_GET (entry->vn_cnt); |
| 4464 | ent.vn_file = BYTE_GET (entry->vn_file); |
| 4465 | ent.vn_aux = BYTE_GET (entry->vn_aux); |
| 4466 | ent.vn_next = BYTE_GET (entry->vn_next); |
| 4467 | |
| 4468 | printf (_(" %#06x: Version: %d"), idx, ent.vn_version); |
| 4469 | |
| 4470 | if (dynamic_strings) |
| 4471 | printf (_(" File: %s"), dynamic_strings + ent.vn_file); |
| 4472 | else |
| 4473 | printf (_(" File: %lx"), ent.vn_file); |
| 4474 | |
| 4475 | printf (_(" Cnt: %d\n"), ent.vn_cnt); |
| 4476 | |
| 4477 | vstart += ent.vn_aux; |
| 4478 | |
| 4479 | for (j = 0, isum = idx + ent.vn_aux; j < ent.vn_cnt; ++j) |
| 4480 | { |
| 4481 | Elf_External_Vernaux * eaux; |
| 4482 | Elf_Internal_Vernaux aux; |
| 4483 | |
| 4484 | eaux = (Elf_External_Vernaux *) vstart; |
| 4485 | |
| 4486 | aux.vna_hash = BYTE_GET (eaux->vna_hash); |
| 4487 | aux.vna_flags = BYTE_GET (eaux->vna_flags); |
| 4488 | aux.vna_other = BYTE_GET (eaux->vna_other); |
| 4489 | aux.vna_name = BYTE_GET (eaux->vna_name); |
| 4490 | aux.vna_next = BYTE_GET (eaux->vna_next); |
| 4491 | |
| 4492 | if (dynamic_strings) |
| 4493 | printf (_(" %#06x: Name: %s"), |
| 4494 | isum, dynamic_strings + aux.vna_name); |
| 4495 | else |
| 4496 | printf (_(" %#06x: Name index: %lx"), |
| 4497 | isum, aux.vna_name); |
| 4498 | |
| 4499 | printf (_(" Flags: %s Version: %d\n"), |
| 4500 | get_ver_flags (aux.vna_flags), aux.vna_other); |
| 4501 | |
| 4502 | isum += aux.vna_next; |
| 4503 | vstart += aux.vna_next; |
| 4504 | } |
| 4505 | |
| 4506 | idx += ent.vn_next; |
| 4507 | } |
| 4508 | |
| 4509 | free (eneed); |
| 4510 | } |
| 4511 | break; |
| 4512 | |
| 4513 | case SHT_GNU_versym: |
| 4514 | { |
| 4515 | Elf32_Internal_Shdr * link_section; |
| 4516 | int total; |
| 4517 | int cnt; |
| 4518 | unsigned char * edata; |
| 4519 | unsigned short * data; |
| 4520 | char * strtab; |
| 4521 | Elf_Internal_Sym * symbols; |
| 4522 | Elf32_Internal_Shdr * string_sec; |
| 4523 | |
| 4524 | link_section = section_headers + section->sh_link; |
| 4525 | total = section->sh_size / section->sh_entsize; |
| 4526 | |
| 4527 | found = 1; |
| 4528 | |
| 4529 | symbols = GET_ELF_SYMBOLS (file, link_section->sh_offset, |
| 4530 | link_section->sh_size / link_section->sh_entsize); |
| 4531 | |
| 4532 | string_sec = section_headers + link_section->sh_link; |
| 4533 | |
| 4534 | GET_DATA_ALLOC (string_sec->sh_offset, string_sec->sh_size, |
| 4535 | strtab, char *, "version string table"); |
| 4536 | |
| 4537 | printf (_("\nVersion symbols section '%s' contains %d entries:\n"), |
| 4538 | SECTION_NAME (section), total); |
| 4539 | |
| 4540 | printf (_(" Addr: ")); |
| 4541 | printf_vma (section->sh_addr); |
| 4542 | printf (_(" Offset: %#08lx Link: %lx (%s)\n"), |
| 4543 | (unsigned long) section->sh_offset, section->sh_link, |
| 4544 | SECTION_NAME (link_section)); |
| 4545 | |
| 4546 | GET_DATA_ALLOC (version_info [DT_VERSIONTAGIDX (DT_VERSYM)] |
| 4547 | - loadaddr, |
| 4548 | total * sizeof (short), edata, |
| 4549 | unsigned char *, "version symbol data"); |
| 4550 | |
| 4551 | data = (unsigned short *) malloc (total * sizeof (short)); |
| 4552 | |
| 4553 | for (cnt = total; cnt --;) |
| 4554 | data [cnt] = byte_get (edata + cnt * sizeof (short), |
| 4555 | sizeof (short)); |
| 4556 | |
| 4557 | free (edata); |
| 4558 | |
| 4559 | for (cnt = 0; cnt < total; cnt += 4) |
| 4560 | { |
| 4561 | int j, nn; |
| 4562 | int check_def, check_need; |
| 4563 | char * name; |
| 4564 | |
| 4565 | printf (" %03x:", cnt); |
| 4566 | |
| 4567 | for (j = 0; (j < 4) && (cnt + j) < total; ++j) |
| 4568 | switch (data [cnt + j]) |
| 4569 | { |
| 4570 | case 0: |
| 4571 | fputs (_(" 0 (*local*) "), stdout); |
| 4572 | break; |
| 4573 | |
| 4574 | case 1: |
| 4575 | fputs (_(" 1 (*global*) "), stdout); |
| 4576 | break; |
| 4577 | |
| 4578 | default: |
| 4579 | nn = printf ("%4x%c", data [cnt + j] & 0x7fff, |
| 4580 | data [cnt + j] & 0x8000 ? 'h' : ' '); |
| 4581 | |
| 4582 | check_def = 1; |
| 4583 | check_need = 1; |
| 4584 | if (symbols [cnt + j].st_shndx >= SHN_LORESERVE |
| 4585 | || section_headers[symbols [cnt + j].st_shndx].sh_type |
| 4586 | != SHT_NOBITS) |
| 4587 | { |
| 4588 | if (symbols [cnt + j].st_shndx == SHN_UNDEF) |
| 4589 | check_def = 0; |
| 4590 | else |
| 4591 | check_need = 0; |
| 4592 | } |
| 4593 | |
| 4594 | if (check_need |
| 4595 | && version_info [DT_VERSIONTAGIDX (DT_VERNEED)]) |
| 4596 | { |
| 4597 | Elf_Internal_Verneed ivn; |
| 4598 | unsigned long offset; |
| 4599 | |
| 4600 | offset = version_info [DT_VERSIONTAGIDX (DT_VERNEED)] |
| 4601 | - loadaddr; |
| 4602 | |
| 4603 | do |
| 4604 | { |
| 4605 | Elf_Internal_Vernaux ivna; |
| 4606 | Elf_External_Verneed evn; |
| 4607 | Elf_External_Vernaux evna; |
| 4608 | unsigned long a_off; |
| 4609 | |
| 4610 | GET_DATA (offset, evn, "version need"); |
| 4611 | |
| 4612 | ivn.vn_aux = BYTE_GET (evn.vn_aux); |
| 4613 | ivn.vn_next = BYTE_GET (evn.vn_next); |
| 4614 | |
| 4615 | a_off = offset + ivn.vn_aux; |
| 4616 | |
| 4617 | do |
| 4618 | { |
| 4619 | GET_DATA (a_off, evna, |
| 4620 | "version need aux (2)"); |
| 4621 | |
| 4622 | ivna.vna_next = BYTE_GET (evna.vna_next); |
| 4623 | ivna.vna_other = BYTE_GET (evna.vna_other); |
| 4624 | |
| 4625 | a_off += ivna.vna_next; |
| 4626 | } |
| 4627 | while (ivna.vna_other != data [cnt + j] |
| 4628 | && ivna.vna_next != 0); |
| 4629 | |
| 4630 | if (ivna.vna_other == data [cnt + j]) |
| 4631 | { |
| 4632 | ivna.vna_name = BYTE_GET (evna.vna_name); |
| 4633 | |
| 4634 | name = strtab + ivna.vna_name; |
| 4635 | nn += printf ("(%s%-*s", |
| 4636 | name, |
| 4637 | 12 - (int) strlen (name), |
| 4638 | ")"); |
| 4639 | check_def = 0; |
| 4640 | break; |
| 4641 | } |
| 4642 | |
| 4643 | offset += ivn.vn_next; |
| 4644 | } |
| 4645 | while (ivn.vn_next); |
| 4646 | } |
| 4647 | |
| 4648 | if (check_def && data [cnt + j] != 0x8001 |
| 4649 | && version_info [DT_VERSIONTAGIDX (DT_VERDEF)]) |
| 4650 | { |
| 4651 | Elf_Internal_Verdef ivd; |
| 4652 | Elf_External_Verdef evd; |
| 4653 | unsigned long offset; |
| 4654 | |
| 4655 | offset = version_info |
| 4656 | [DT_VERSIONTAGIDX (DT_VERDEF)] - loadaddr; |
| 4657 | |
| 4658 | do |
| 4659 | { |
| 4660 | GET_DATA (offset, evd, "version def"); |
| 4661 | |
| 4662 | ivd.vd_next = BYTE_GET (evd.vd_next); |
| 4663 | ivd.vd_ndx = BYTE_GET (evd.vd_ndx); |
| 4664 | |
| 4665 | offset += ivd.vd_next; |
| 4666 | } |
| 4667 | while (ivd.vd_ndx != (data [cnt + j] & 0x7fff) |
| 4668 | && ivd.vd_next != 0); |
| 4669 | |
| 4670 | if (ivd.vd_ndx == (data [cnt + j] & 0x7fff)) |
| 4671 | { |
| 4672 | Elf_External_Verdaux evda; |
| 4673 | Elf_Internal_Verdaux ivda; |
| 4674 | |
| 4675 | ivd.vd_aux = BYTE_GET (evd.vd_aux); |
| 4676 | |
| 4677 | GET_DATA (offset - ivd.vd_next + ivd.vd_aux, |
| 4678 | evda, "version def aux"); |
| 4679 | |
| 4680 | ivda.vda_name = BYTE_GET (evda.vda_name); |
| 4681 | |
| 4682 | name = strtab + ivda.vda_name; |
| 4683 | nn += printf ("(%s%-*s", |
| 4684 | name, |
| 4685 | 12 - (int) strlen (name), |
| 4686 | ")"); |
| 4687 | } |
| 4688 | } |
| 4689 | |
| 4690 | if (nn < 18) |
| 4691 | printf ("%*c", 18 - nn, ' '); |
| 4692 | } |
| 4693 | |
| 4694 | putchar ('\n'); |
| 4695 | } |
| 4696 | |
| 4697 | free (data); |
| 4698 | free (strtab); |
| 4699 | free (symbols); |
| 4700 | } |
| 4701 | break; |
| 4702 | |
| 4703 | default: |
| 4704 | break; |
| 4705 | } |
| 4706 | } |
| 4707 | |
| 4708 | if (! found) |
| 4709 | printf (_("\nNo version information found in this file.\n")); |
| 4710 | |
| 4711 | return 1; |
| 4712 | } |
| 4713 | |
| 4714 | static const char * |
| 4715 | get_symbol_binding (binding) |
| 4716 | unsigned int binding; |
| 4717 | { |
| 4718 | static char buff [32]; |
| 4719 | |
| 4720 | switch (binding) |
| 4721 | { |
| 4722 | case STB_LOCAL: return "LOCAL"; |
| 4723 | case STB_GLOBAL: return "GLOBAL"; |
| 4724 | case STB_WEAK: return "WEAK"; |
| 4725 | default: |
| 4726 | if (binding >= STB_LOPROC && binding <= STB_HIPROC) |
| 4727 | sprintf (buff, _("<processor specific>: %d"), binding); |
| 4728 | else if (binding >= STB_LOOS && binding <= STB_HIOS) |
| 4729 | sprintf (buff, _("<OS specific>: %d"), binding); |
| 4730 | else |
| 4731 | sprintf (buff, _("<unknown>: %d"), binding); |
| 4732 | return buff; |
| 4733 | } |
| 4734 | } |
| 4735 | |
| 4736 | static const char * |
| 4737 | get_symbol_type (type) |
| 4738 | unsigned int type; |
| 4739 | { |
| 4740 | static char buff [32]; |
| 4741 | |
| 4742 | switch (type) |
| 4743 | { |
| 4744 | case STT_NOTYPE: return "NOTYPE"; |
| 4745 | case STT_OBJECT: return "OBJECT"; |
| 4746 | case STT_FUNC: return "FUNC"; |
| 4747 | case STT_SECTION: return "SECTION"; |
| 4748 | case STT_FILE: return "FILE"; |
| 4749 | case STT_COMMON: return "COMMON"; |
| 4750 | default: |
| 4751 | if (type >= STT_LOPROC && type <= STT_HIPROC) |
| 4752 | { |
| 4753 | if (elf_header.e_machine == EM_ARM && type == STT_ARM_TFUNC) |
| 4754 | return "THUMB_FUNC"; |
| 4755 | |
| 4756 | if (elf_header.e_machine == EM_SPARCV9 && type == STT_REGISTER) |
| 4757 | return "REGISTER"; |
| 4758 | |
| 4759 | if (elf_header.e_machine == EM_PARISC && type == STT_PARISC_MILLI) |
| 4760 | return "PARISC_MILLI"; |
| 4761 | |
| 4762 | sprintf (buff, _("<processor specific>: %d"), type); |
| 4763 | } |
| 4764 | else if (type >= STT_LOOS && type <= STT_HIOS) |
| 4765 | { |
| 4766 | if (elf_header.e_machine == EM_PARISC) |
| 4767 | { |
| 4768 | if (type == STT_HP_OPAQUE) |
| 4769 | return "HP_OPAQUE"; |
| 4770 | if (type == STT_HP_STUB) |
| 4771 | return "HP_STUB"; |
| 4772 | } |
| 4773 | |
| 4774 | sprintf (buff, _("<OS specific>: %d"), type); |
| 4775 | } |
| 4776 | else |
| 4777 | sprintf (buff, _("<unknown>: %d"), type); |
| 4778 | return buff; |
| 4779 | } |
| 4780 | } |
| 4781 | |
| 4782 | static const char * |
| 4783 | get_symbol_visibility (visibility) |
| 4784 | unsigned int visibility; |
| 4785 | { |
| 4786 | switch (visibility) |
| 4787 | { |
| 4788 | case STV_DEFAULT: return "DEFAULT"; |
| 4789 | case STV_INTERNAL: return "INTERNAL"; |
| 4790 | case STV_HIDDEN: return "HIDDEN"; |
| 4791 | case STV_PROTECTED: return "PROTECTED"; |
| 4792 | default: abort (); |
| 4793 | } |
| 4794 | } |
| 4795 | |
| 4796 | static const char * |
| 4797 | get_symbol_index_type (type) |
| 4798 | unsigned int type; |
| 4799 | { |
| 4800 | switch (type) |
| 4801 | { |
| 4802 | case SHN_UNDEF: return "UND"; |
| 4803 | case SHN_ABS: return "ABS"; |
| 4804 | case SHN_COMMON: return "COM"; |
| 4805 | default: |
| 4806 | if (type >= SHN_LOPROC && type <= SHN_HIPROC) |
| 4807 | return "PRC"; |
| 4808 | else if (type >= SHN_LORESERVE && type <= SHN_HIRESERVE) |
| 4809 | return "RSV"; |
| 4810 | else if (type >= SHN_LOOS && type <= SHN_HIOS) |
| 4811 | return "OS "; |
| 4812 | else |
| 4813 | { |
| 4814 | static char buff [32]; |
| 4815 | |
| 4816 | sprintf (buff, "%3d", type); |
| 4817 | return buff; |
| 4818 | } |
| 4819 | } |
| 4820 | } |
| 4821 | |
| 4822 | static int * |
| 4823 | get_dynamic_data (file, number) |
| 4824 | FILE * file; |
| 4825 | unsigned int number; |
| 4826 | { |
| 4827 | unsigned char * e_data; |
| 4828 | int * i_data; |
| 4829 | |
| 4830 | e_data = (unsigned char *) malloc (number * 4); |
| 4831 | |
| 4832 | if (e_data == NULL) |
| 4833 | { |
| 4834 | error (_("Out of memory\n")); |
| 4835 | return NULL; |
| 4836 | } |
| 4837 | |
| 4838 | if (fread (e_data, 4, number, file) != number) |
| 4839 | { |
| 4840 | error (_("Unable to read in dynamic data\n")); |
| 4841 | return NULL; |
| 4842 | } |
| 4843 | |
| 4844 | i_data = (int *) malloc (number * sizeof (* i_data)); |
| 4845 | |
| 4846 | if (i_data == NULL) |
| 4847 | { |
| 4848 | error (_("Out of memory\n")); |
| 4849 | free (e_data); |
| 4850 | return NULL; |
| 4851 | } |
| 4852 | |
| 4853 | while (number--) |
| 4854 | i_data [number] = byte_get (e_data + number * 4, 4); |
| 4855 | |
| 4856 | free (e_data); |
| 4857 | |
| 4858 | return i_data; |
| 4859 | } |
| 4860 | |
| 4861 | /* Dump the symbol table */ |
| 4862 | static int |
| 4863 | process_symbol_table (file) |
| 4864 | FILE * file; |
| 4865 | { |
| 4866 | Elf32_Internal_Shdr * section; |
| 4867 | unsigned char nb [4]; |
| 4868 | unsigned char nc [4]; |
| 4869 | int nbuckets = 0; |
| 4870 | int nchains = 0; |
| 4871 | int * buckets = NULL; |
| 4872 | int * chains = NULL; |
| 4873 | |
| 4874 | if (! do_syms && !do_histogram) |
| 4875 | return 1; |
| 4876 | |
| 4877 | if (dynamic_info[DT_HASH] && ((do_using_dynamic && dynamic_strings != NULL) |
| 4878 | || do_histogram)) |
| 4879 | { |
| 4880 | if (fseek (file, dynamic_info[DT_HASH] - loadaddr, SEEK_SET)) |
| 4881 | { |
| 4882 | error (_("Unable to seek to start of dynamic information")); |
| 4883 | return 0; |
| 4884 | } |
| 4885 | |
| 4886 | if (fread (nb, sizeof (nb), 1, file) != 1) |
| 4887 | { |
| 4888 | error (_("Failed to read in number of buckets\n")); |
| 4889 | return 0; |
| 4890 | } |
| 4891 | |
| 4892 | if (fread (nc, sizeof (nc), 1, file) != 1) |
| 4893 | { |
| 4894 | error (_("Failed to read in number of chains\n")); |
| 4895 | return 0; |
| 4896 | } |
| 4897 | |
| 4898 | nbuckets = byte_get (nb, 4); |
| 4899 | nchains = byte_get (nc, 4); |
| 4900 | |
| 4901 | buckets = get_dynamic_data (file, nbuckets); |
| 4902 | chains = get_dynamic_data (file, nchains); |
| 4903 | |
| 4904 | if (buckets == NULL || chains == NULL) |
| 4905 | return 0; |
| 4906 | } |
| 4907 | |
| 4908 | if (do_syms |
| 4909 | && dynamic_info[DT_HASH] && do_using_dynamic && dynamic_strings != NULL) |
| 4910 | { |
| 4911 | int hn; |
| 4912 | int si; |
| 4913 | |
| 4914 | printf (_("\nSymbol table for image:\n")); |
| 4915 | if (is_32bit_elf) |
| 4916 | printf (_(" Num Buc: Value Size Type Bind Vis Ndx Name\n")); |
| 4917 | else |
| 4918 | printf (_(" Num Buc: Value Size Type Bind Vis Ndx Name\n")); |
| 4919 | |
| 4920 | for (hn = 0; hn < nbuckets; hn++) |
| 4921 | { |
| 4922 | if (! buckets [hn]) |
| 4923 | continue; |
| 4924 | |
| 4925 | for (si = buckets [hn]; si < nchains && si > 0; si = chains [si]) |
| 4926 | { |
| 4927 | Elf_Internal_Sym * psym; |
| 4928 | |
| 4929 | psym = dynamic_symbols + si; |
| 4930 | |
| 4931 | printf (" %3d %3d: ", si, hn); |
| 4932 | print_vma (psym->st_value, LONG_HEX); |
| 4933 | putchar (' ' ); |
| 4934 | print_vma (psym->st_size, DEC_5); |
| 4935 | |
| 4936 | printf (" %6s", get_symbol_type (ELF_ST_TYPE (psym->st_info))); |
| 4937 | printf (" %6s", get_symbol_binding (ELF_ST_BIND (psym->st_info))); |
| 4938 | printf (" %3s", get_symbol_visibility (ELF_ST_VISIBILITY (psym->st_other))); |
| 4939 | printf (" %3.3s", get_symbol_index_type (psym->st_shndx)); |
| 4940 | printf (" %s\n", dynamic_strings + psym->st_name); |
| 4941 | } |
| 4942 | } |
| 4943 | } |
| 4944 | else if (do_syms && !do_using_dynamic) |
| 4945 | { |
| 4946 | unsigned int i; |
| 4947 | |
| 4948 | for (i = 0, section = section_headers; |
| 4949 | i < elf_header.e_shnum; |
| 4950 | i++, section++) |
| 4951 | { |
| 4952 | unsigned int si; |
| 4953 | char * strtab; |
| 4954 | Elf_Internal_Sym * symtab; |
| 4955 | Elf_Internal_Sym * psym; |
| 4956 | |
| 4957 | |
| 4958 | if ( section->sh_type != SHT_SYMTAB |
| 4959 | && section->sh_type != SHT_DYNSYM) |
| 4960 | continue; |
| 4961 | |
| 4962 | printf (_("\nSymbol table '%s' contains %lu entries:\n"), |
| 4963 | SECTION_NAME (section), |
| 4964 | (unsigned long) (section->sh_size / section->sh_entsize)); |
| 4965 | if (is_32bit_elf) |
| 4966 | printf (_(" Num: Value Size Type Bind Vis Ndx Name\n")); |
| 4967 | else |
| 4968 | printf (_(" Num: Value Size Type Bind Vis Ndx Name\n")); |
| 4969 | |
| 4970 | symtab = GET_ELF_SYMBOLS (file, section->sh_offset, |
| 4971 | section->sh_size / section->sh_entsize); |
| 4972 | if (symtab == NULL) |
| 4973 | continue; |
| 4974 | |
| 4975 | if (section->sh_link == elf_header.e_shstrndx) |
| 4976 | strtab = string_table; |
| 4977 | else |
| 4978 | { |
| 4979 | Elf32_Internal_Shdr * string_sec; |
| 4980 | |
| 4981 | string_sec = section_headers + section->sh_link; |
| 4982 | |
| 4983 | GET_DATA_ALLOC (string_sec->sh_offset, string_sec->sh_size, |
| 4984 | strtab, char *, "string table"); |
| 4985 | } |
| 4986 | |
| 4987 | for (si = 0, psym = symtab; |
| 4988 | si < section->sh_size / section->sh_entsize; |
| 4989 | si ++, psym ++) |
| 4990 | { |
| 4991 | printf ("%6d: ", si); |
| 4992 | print_vma (psym->st_value, LONG_HEX); |
| 4993 | putchar (' '); |
| 4994 | print_vma (psym->st_size, DEC_5); |
| 4995 | printf (" %-7s", get_symbol_type (ELF_ST_TYPE (psym->st_info))); |
| 4996 | printf (" %-6s", get_symbol_binding (ELF_ST_BIND (psym->st_info))); |
| 4997 | printf (" %-3s", get_symbol_visibility (ELF_ST_VISIBILITY (psym->st_other))); |
| 4998 | printf (" %4s", get_symbol_index_type (psym->st_shndx)); |
| 4999 | printf (" %s", strtab + psym->st_name); |
| 5000 | |
| 5001 | if (section->sh_type == SHT_DYNSYM && |
| 5002 | version_info [DT_VERSIONTAGIDX (DT_VERSYM)] != 0) |
| 5003 | { |
| 5004 | unsigned char data[2]; |
| 5005 | unsigned short vers_data; |
| 5006 | unsigned long offset; |
| 5007 | int is_nobits; |
| 5008 | int check_def; |
| 5009 | |
| 5010 | offset = version_info [DT_VERSIONTAGIDX (DT_VERSYM)] |
| 5011 | - loadaddr; |
| 5012 | |
| 5013 | GET_DATA (offset + si * sizeof (vers_data), data, |
| 5014 | "version data"); |
| 5015 | |
| 5016 | vers_data = byte_get (data, 2); |
| 5017 | |
| 5018 | is_nobits = psym->st_shndx < SHN_LORESERVE ? |
| 5019 | (section_headers [psym->st_shndx].sh_type == SHT_NOBITS) |
| 5020 | : 0; |
| 5021 | |
| 5022 | check_def = (psym->st_shndx != SHN_UNDEF); |
| 5023 | |
| 5024 | if ((vers_data & 0x8000) || vers_data > 1) |
| 5025 | { |
| 5026 | if (version_info [DT_VERSIONTAGIDX (DT_VERNEED)] |
| 5027 | && (is_nobits || ! check_def)) |
| 5028 | { |
| 5029 | Elf_External_Verneed evn; |
| 5030 | Elf_Internal_Verneed ivn; |
| 5031 | Elf_Internal_Vernaux ivna; |
| 5032 | |
| 5033 | /* We must test both. */ |
| 5034 | offset = version_info |
| 5035 | [DT_VERSIONTAGIDX (DT_VERNEED)] - loadaddr; |
| 5036 | |
| 5037 | do |
| 5038 | { |
| 5039 | unsigned long vna_off; |
| 5040 | |
| 5041 | GET_DATA (offset, evn, "version need"); |
| 5042 | |
| 5043 | ivn.vn_aux = BYTE_GET (evn.vn_aux); |
| 5044 | ivn.vn_next = BYTE_GET (evn.vn_next); |
| 5045 | |
| 5046 | vna_off = offset + ivn.vn_aux; |
| 5047 | |
| 5048 | do |
| 5049 | { |
| 5050 | Elf_External_Vernaux evna; |
| 5051 | |
| 5052 | GET_DATA (vna_off, evna, |
| 5053 | "version need aux (3)"); |
| 5054 | |
| 5055 | ivna.vna_other = BYTE_GET (evna.vna_other); |
| 5056 | ivna.vna_next = BYTE_GET (evna.vna_next); |
| 5057 | ivna.vna_name = BYTE_GET (evna.vna_name); |
| 5058 | |
| 5059 | vna_off += ivna.vna_next; |
| 5060 | } |
| 5061 | while (ivna.vna_other != vers_data |
| 5062 | && ivna.vna_next != 0); |
| 5063 | |
| 5064 | if (ivna.vna_other == vers_data) |
| 5065 | break; |
| 5066 | |
| 5067 | offset += ivn.vn_next; |
| 5068 | } |
| 5069 | while (ivn.vn_next != 0); |
| 5070 | |
| 5071 | if (ivna.vna_other == vers_data) |
| 5072 | { |
| 5073 | printf ("@%s (%d)", |
| 5074 | strtab + ivna.vna_name, ivna.vna_other); |
| 5075 | check_def = 0; |
| 5076 | } |
| 5077 | else if (! is_nobits) |
| 5078 | error (_("bad dynamic symbol")); |
| 5079 | else |
| 5080 | check_def = 1; |
| 5081 | } |
| 5082 | |
| 5083 | if (check_def) |
| 5084 | { |
| 5085 | if (vers_data != 0x8001 |
| 5086 | && version_info [DT_VERSIONTAGIDX (DT_VERDEF)]) |
| 5087 | { |
| 5088 | Elf_Internal_Verdef ivd; |
| 5089 | Elf_Internal_Verdaux ivda; |
| 5090 | Elf_External_Verdaux evda; |
| 5091 | unsigned long offset; |
| 5092 | |
| 5093 | offset = |
| 5094 | version_info [DT_VERSIONTAGIDX (DT_VERDEF)] |
| 5095 | - loadaddr; |
| 5096 | |
| 5097 | do |
| 5098 | { |
| 5099 | Elf_External_Verdef evd; |
| 5100 | |
| 5101 | GET_DATA (offset, evd, "version def"); |
| 5102 | |
| 5103 | ivd.vd_ndx = BYTE_GET (evd.vd_ndx); |
| 5104 | ivd.vd_aux = BYTE_GET (evd.vd_aux); |
| 5105 | ivd.vd_next = BYTE_GET (evd.vd_next); |
| 5106 | |
| 5107 | offset += ivd.vd_next; |
| 5108 | } |
| 5109 | while (ivd.vd_ndx != (vers_data & 0x7fff) |
| 5110 | && ivd.vd_next != 0); |
| 5111 | |
| 5112 | offset -= ivd.vd_next; |
| 5113 | offset += ivd.vd_aux; |
| 5114 | |
| 5115 | GET_DATA (offset, evda, "version def aux"); |
| 5116 | |
| 5117 | ivda.vda_name = BYTE_GET (evda.vda_name); |
| 5118 | |
| 5119 | if (psym->st_name != ivda.vda_name) |
| 5120 | printf ((vers_data & 0x8000) |
| 5121 | ? "@%s" : "@@%s", |
| 5122 | strtab + ivda.vda_name); |
| 5123 | } |
| 5124 | } |
| 5125 | } |
| 5126 | } |
| 5127 | |
| 5128 | putchar ('\n'); |
| 5129 | } |
| 5130 | |
| 5131 | free (symtab); |
| 5132 | if (strtab != string_table) |
| 5133 | free (strtab); |
| 5134 | } |
| 5135 | } |
| 5136 | else if (do_syms) |
| 5137 | printf |
| 5138 | (_("\nDynamic symbol information is not available for displaying symbols.\n")); |
| 5139 | |
| 5140 | if (do_histogram && buckets != NULL) |
| 5141 | { |
| 5142 | int * lengths; |
| 5143 | int * counts; |
| 5144 | int hn; |
| 5145 | int si; |
| 5146 | int maxlength = 0; |
| 5147 | int nzero_counts = 0; |
| 5148 | int nsyms = 0; |
| 5149 | |
| 5150 | printf (_("\nHistogram for bucket list length (total of %d buckets):\n"), |
| 5151 | nbuckets); |
| 5152 | printf (_(" Length Number %% of total Coverage\n")); |
| 5153 | |
| 5154 | lengths = (int *) calloc (nbuckets, sizeof (int)); |
| 5155 | if (lengths == NULL) |
| 5156 | { |
| 5157 | error (_("Out of memory")); |
| 5158 | return 0; |
| 5159 | } |
| 5160 | for (hn = 0; hn < nbuckets; ++hn) |
| 5161 | { |
| 5162 | if (! buckets [hn]) |
| 5163 | continue; |
| 5164 | |
| 5165 | for (si = buckets[hn]; si > 0 && si < nchains; si = chains[si]) |
| 5166 | { |
| 5167 | ++ nsyms; |
| 5168 | if (maxlength < ++lengths[hn]) |
| 5169 | ++ maxlength; |
| 5170 | } |
| 5171 | } |
| 5172 | |
| 5173 | counts = (int *) calloc (maxlength + 1, sizeof (int)); |
| 5174 | if (counts == NULL) |
| 5175 | { |
| 5176 | error (_("Out of memory")); |
| 5177 | return 0; |
| 5178 | } |
| 5179 | |
| 5180 | for (hn = 0; hn < nbuckets; ++hn) |
| 5181 | ++ counts [lengths [hn]]; |
| 5182 | |
| 5183 | if (nbuckets > 0) |
| 5184 | { |
| 5185 | printf (" 0 %-10d (%5.1f%%)\n", |
| 5186 | counts[0], (counts[0] * 100.0) / nbuckets); |
| 5187 | for (si = 1; si <= maxlength; ++si) |
| 5188 | { |
| 5189 | nzero_counts += counts[si] * si; |
| 5190 | printf ("%7d %-10d (%5.1f%%) %5.1f%%\n", |
| 5191 | si, counts[si], (counts[si] * 100.0) / nbuckets, |
| 5192 | (nzero_counts * 100.0) / nsyms); |
| 5193 | } |
| 5194 | } |
| 5195 | |
| 5196 | free (counts); |
| 5197 | free (lengths); |
| 5198 | } |
| 5199 | |
| 5200 | if (buckets != NULL) |
| 5201 | { |
| 5202 | free (buckets); |
| 5203 | free (chains); |
| 5204 | } |
| 5205 | |
| 5206 | return 1; |
| 5207 | } |
| 5208 | |
| 5209 | static int |
| 5210 | process_syminfo (file) |
| 5211 | FILE * file ATTRIBUTE_UNUSED; |
| 5212 | { |
| 5213 | unsigned int i; |
| 5214 | |
| 5215 | if (dynamic_syminfo == NULL |
| 5216 | || !do_dynamic) |
| 5217 | /* No syminfo, this is ok. */ |
| 5218 | return 1; |
| 5219 | |
| 5220 | /* There better should be a dynamic symbol section. */ |
| 5221 | if (dynamic_symbols == NULL || dynamic_strings == NULL) |
| 5222 | return 0; |
| 5223 | |
| 5224 | if (dynamic_addr) |
| 5225 | printf (_("\nDynamic info segment at offset 0x%lx contains %d entries:\n"), |
| 5226 | dynamic_syminfo_offset, dynamic_syminfo_nent); |
| 5227 | |
| 5228 | printf (_(" Num: Name BoundTo Flags\n")); |
| 5229 | for (i = 0; i < dynamic_syminfo_nent; ++i) |
| 5230 | { |
| 5231 | unsigned short int flags = dynamic_syminfo[i].si_flags; |
| 5232 | |
| 5233 | printf ("%4d: %-30s ", i, |
| 5234 | dynamic_strings + dynamic_symbols[i].st_name); |
| 5235 | |
| 5236 | switch (dynamic_syminfo[i].si_boundto) |
| 5237 | { |
| 5238 | case SYMINFO_BT_SELF: |
| 5239 | fputs ("SELF ", stdout); |
| 5240 | break; |
| 5241 | case SYMINFO_BT_PARENT: |
| 5242 | fputs ("PARENT ", stdout); |
| 5243 | break; |
| 5244 | default: |
| 5245 | if (dynamic_syminfo[i].si_boundto > 0 |
| 5246 | && dynamic_syminfo[i].si_boundto < dynamic_size) |
| 5247 | printf ("%-10s ", |
| 5248 | dynamic_strings |
| 5249 | + dynamic_segment[dynamic_syminfo[i].si_boundto].d_un.d_val); |
| 5250 | else |
| 5251 | printf ("%-10d ", dynamic_syminfo[i].si_boundto); |
| 5252 | break; |
| 5253 | } |
| 5254 | |
| 5255 | if (flags & SYMINFO_FLG_DIRECT) |
| 5256 | printf (" DIRECT"); |
| 5257 | if (flags & SYMINFO_FLG_PASSTHRU) |
| 5258 | printf (" PASSTHRU"); |
| 5259 | if (flags & SYMINFO_FLG_COPY) |
| 5260 | printf (" COPY"); |
| 5261 | if (flags & SYMINFO_FLG_LAZYLOAD) |
| 5262 | printf (" LAZYLOAD"); |
| 5263 | |
| 5264 | puts (""); |
| 5265 | } |
| 5266 | |
| 5267 | return 1; |
| 5268 | } |
| 5269 | |
| 5270 | #ifdef SUPPORT_DISASSEMBLY |
| 5271 | static void |
| 5272 | disassemble_section (section, file) |
| 5273 | Elf32_Internal_Shdr * section; |
| 5274 | FILE * file; |
| 5275 | { |
| 5276 | printf (_("\nAssembly dump of section %s\n"), |
| 5277 | SECTION_NAME (section)); |
| 5278 | |
| 5279 | /* XXX -- to be done --- XXX */ |
| 5280 | |
| 5281 | return 1; |
| 5282 | } |
| 5283 | #endif |
| 5284 | |
| 5285 | static int |
| 5286 | dump_section (section, file) |
| 5287 | Elf32_Internal_Shdr * section; |
| 5288 | FILE * file; |
| 5289 | { |
| 5290 | bfd_size_type bytes; |
| 5291 | bfd_vma addr; |
| 5292 | unsigned char * data; |
| 5293 | unsigned char * start; |
| 5294 | |
| 5295 | bytes = section->sh_size; |
| 5296 | |
| 5297 | if (bytes == 0) |
| 5298 | { |
| 5299 | printf (_("\nSection '%s' has no data to dump.\n"), |
| 5300 | SECTION_NAME (section)); |
| 5301 | return 0; |
| 5302 | } |
| 5303 | else |
| 5304 | printf (_("\nHex dump of section '%s':\n"), SECTION_NAME (section)); |
| 5305 | |
| 5306 | addr = section->sh_addr; |
| 5307 | |
| 5308 | GET_DATA_ALLOC (section->sh_offset, bytes, start, unsigned char *, |
| 5309 | "section data"); |
| 5310 | |
| 5311 | data = start; |
| 5312 | |
| 5313 | while (bytes) |
| 5314 | { |
| 5315 | int j; |
| 5316 | int k; |
| 5317 | int lbytes; |
| 5318 | |
| 5319 | lbytes = (bytes > 16 ? 16 : bytes); |
| 5320 | |
| 5321 | printf (" 0x%8.8lx ", (unsigned long) addr); |
| 5322 | |
| 5323 | switch (elf_header.e_ident [EI_DATA]) |
| 5324 | { |
| 5325 | default: |
| 5326 | case ELFDATA2LSB: |
| 5327 | for (j = 15; j >= 0; j --) |
| 5328 | { |
| 5329 | if (j < lbytes) |
| 5330 | printf ("%2.2x", data [j]); |
| 5331 | else |
| 5332 | printf (" "); |
| 5333 | |
| 5334 | if (!(j & 0x3)) |
| 5335 | printf (" "); |
| 5336 | } |
| 5337 | break; |
| 5338 | |
| 5339 | case ELFDATA2MSB: |
| 5340 | for (j = 0; j < 16; j++) |
| 5341 | { |
| 5342 | if (j < lbytes) |
| 5343 | printf ("%2.2x", data [j]); |
| 5344 | else |
| 5345 | printf (" "); |
| 5346 | |
| 5347 | if ((j & 3) == 3) |
| 5348 | printf (" "); |
| 5349 | } |
| 5350 | break; |
| 5351 | } |
| 5352 | |
| 5353 | for (j = 0; j < lbytes; j++) |
| 5354 | { |
| 5355 | k = data [j]; |
| 5356 | if (k >= ' ' && k < 0x80) |
| 5357 | printf ("%c", k); |
| 5358 | else |
| 5359 | printf ("."); |
| 5360 | } |
| 5361 | |
| 5362 | putchar ('\n'); |
| 5363 | |
| 5364 | data += lbytes; |
| 5365 | addr += lbytes; |
| 5366 | bytes -= lbytes; |
| 5367 | } |
| 5368 | |
| 5369 | free (start); |
| 5370 | |
| 5371 | return 1; |
| 5372 | } |
| 5373 | |
| 5374 | |
| 5375 | static unsigned long int |
| 5376 | read_leb128 (data, length_return, sign) |
| 5377 | unsigned char * data; |
| 5378 | int * length_return; |
| 5379 | int sign; |
| 5380 | { |
| 5381 | unsigned long int result = 0; |
| 5382 | unsigned int num_read = 0; |
| 5383 | int shift = 0; |
| 5384 | unsigned char byte; |
| 5385 | |
| 5386 | do |
| 5387 | { |
| 5388 | byte = * data ++; |
| 5389 | num_read ++; |
| 5390 | |
| 5391 | result |= (byte & 0x7f) << shift; |
| 5392 | |
| 5393 | shift += 7; |
| 5394 | |
| 5395 | } |
| 5396 | while (byte & 0x80); |
| 5397 | |
| 5398 | if (length_return != NULL) |
| 5399 | * length_return = num_read; |
| 5400 | |
| 5401 | if (sign && (shift < 32) && (byte & 0x40)) |
| 5402 | result |= -1 << shift; |
| 5403 | |
| 5404 | return result; |
| 5405 | } |
| 5406 | |
| 5407 | typedef struct State_Machine_Registers |
| 5408 | { |
| 5409 | unsigned long address; |
| 5410 | unsigned int file; |
| 5411 | unsigned int line; |
| 5412 | unsigned int column; |
| 5413 | int is_stmt; |
| 5414 | int basic_block; |
| 5415 | int end_sequence; |
| 5416 | /* This variable hold the number of the last entry seen |
| 5417 | in the File Table. */ |
| 5418 | unsigned int last_file_entry; |
| 5419 | } SMR; |
| 5420 | |
| 5421 | static SMR state_machine_regs; |
| 5422 | |
| 5423 | static void |
| 5424 | reset_state_machine (is_stmt) |
| 5425 | int is_stmt; |
| 5426 | { |
| 5427 | state_machine_regs.address = 0; |
| 5428 | state_machine_regs.file = 1; |
| 5429 | state_machine_regs.line = 1; |
| 5430 | state_machine_regs.column = 0; |
| 5431 | state_machine_regs.is_stmt = is_stmt; |
| 5432 | state_machine_regs.basic_block = 0; |
| 5433 | state_machine_regs.end_sequence = 0; |
| 5434 | state_machine_regs.last_file_entry = 0; |
| 5435 | } |
| 5436 | |
| 5437 | /* Handled an extend line op. Returns true if this is the end |
| 5438 | of sequence. */ |
| 5439 | static int |
| 5440 | process_extended_line_op (data, is_stmt, pointer_size) |
| 5441 | unsigned char * data; |
| 5442 | int is_stmt; |
| 5443 | int pointer_size; |
| 5444 | { |
| 5445 | unsigned char op_code; |
| 5446 | int bytes_read; |
| 5447 | unsigned int len; |
| 5448 | unsigned char * name; |
| 5449 | unsigned long adr; |
| 5450 | |
| 5451 | len = read_leb128 (data, & bytes_read, 0); |
| 5452 | data += bytes_read; |
| 5453 | |
| 5454 | if (len == 0) |
| 5455 | { |
| 5456 | warn (_("badly formed extended line op encountered!")); |
| 5457 | return bytes_read; |
| 5458 | } |
| 5459 | |
| 5460 | len += bytes_read; |
| 5461 | op_code = * data ++; |
| 5462 | |
| 5463 | printf (_(" Extended opcode %d: "), op_code); |
| 5464 | |
| 5465 | switch (op_code) |
| 5466 | { |
| 5467 | case DW_LNE_end_sequence: |
| 5468 | printf (_("End of Sequence\n\n")); |
| 5469 | reset_state_machine (is_stmt); |
| 5470 | break; |
| 5471 | |
| 5472 | case DW_LNE_set_address: |
| 5473 | adr = byte_get (data, pointer_size); |
| 5474 | printf (_("set Address to 0x%lx\n"), adr); |
| 5475 | state_machine_regs.address = adr; |
| 5476 | break; |
| 5477 | |
| 5478 | case DW_LNE_define_file: |
| 5479 | printf (_(" define new File Table entry\n")); |
| 5480 | printf (_(" Entry\tDir\tTime\tSize\tName\n")); |
| 5481 | |
| 5482 | printf (_(" %d\t"), ++ state_machine_regs.last_file_entry); |
| 5483 | name = data; |
| 5484 | data += strlen ((char *) data) + 1; |
| 5485 | printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0)); |
| 5486 | data += bytes_read; |
| 5487 | printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0)); |
| 5488 | data += bytes_read; |
| 5489 | printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0)); |
| 5490 | printf (_("%s\n\n"), name); |
| 5491 | break; |
| 5492 | |
| 5493 | default: |
| 5494 | printf (_("UNKNOWN: length %d\n"), len - bytes_read); |
| 5495 | break; |
| 5496 | } |
| 5497 | |
| 5498 | return len; |
| 5499 | } |
| 5500 | |
| 5501 | /* Size of pointers in the .debug_line section. This information is not |
| 5502 | really present in that section. It's obtained before dumping the debug |
| 5503 | sections by doing some pre-scan of the .debug_info section. */ |
| 5504 | static int debug_line_pointer_size = 4; |
| 5505 | |
| 5506 | static int |
| 5507 | display_debug_lines (section, start, file) |
| 5508 | Elf32_Internal_Shdr * section; |
| 5509 | unsigned char * start; |
| 5510 | FILE * file ATTRIBUTE_UNUSED; |
| 5511 | { |
| 5512 | DWARF2_External_LineInfo * external; |
| 5513 | DWARF2_Internal_LineInfo info; |
| 5514 | unsigned char * standard_opcodes; |
| 5515 | unsigned char * data = start; |
| 5516 | unsigned char * end = start + section->sh_size; |
| 5517 | unsigned char * end_of_sequence; |
| 5518 | int i; |
| 5519 | |
| 5520 | printf (_("\nDump of debug contents of section %s:\n\n"), |
| 5521 | SECTION_NAME (section)); |
| 5522 | |
| 5523 | while (data < end) |
| 5524 | { |
| 5525 | external = (DWARF2_External_LineInfo *) data; |
| 5526 | |
| 5527 | /* Check the length of the block. */ |
| 5528 | info.li_length = BYTE_GET (external->li_length); |
| 5529 | if (info.li_length + sizeof (external->li_length) > section->sh_size) |
| 5530 | { |
| 5531 | warn |
| 5532 | (_("The line info appears to be corrupt - the section is too small\n")); |
| 5533 | return 0; |
| 5534 | } |
| 5535 | |
| 5536 | /* Check its version number. */ |
| 5537 | info.li_version = BYTE_GET (external->li_version); |
| 5538 | if (info.li_version != 2) |
| 5539 | { |
| 5540 | warn (_("Only DWARF version 2 line info is currently supported.\n")); |
| 5541 | return 0; |
| 5542 | } |
| 5543 | |
| 5544 | info.li_prologue_length = BYTE_GET (external->li_prologue_length); |
| 5545 | info.li_min_insn_length = BYTE_GET (external->li_min_insn_length); |
| 5546 | info.li_default_is_stmt = BYTE_GET (external->li_default_is_stmt); |
| 5547 | info.li_line_base = BYTE_GET (external->li_line_base); |
| 5548 | info.li_line_range = BYTE_GET (external->li_line_range); |
| 5549 | info.li_opcode_base = BYTE_GET (external->li_opcode_base); |
| 5550 | |
| 5551 | /* Sign extend the line base field. */ |
| 5552 | info.li_line_base <<= 24; |
| 5553 | info.li_line_base >>= 24; |
| 5554 | |
| 5555 | printf (_(" Length: %ld\n"), info.li_length); |
| 5556 | printf (_(" DWARF Version: %d\n"), info.li_version); |
| 5557 | printf (_(" Prologue Length: %d\n"), info.li_prologue_length); |
| 5558 | printf (_(" Minimum Instruction Length: %d\n"), info.li_min_insn_length); |
| 5559 | printf (_(" Initial value of 'is_stmt': %d\n"), info.li_default_is_stmt); |
| 5560 | printf (_(" Line Base: %d\n"), info.li_line_base); |
| 5561 | printf (_(" Line Range: %d\n"), info.li_line_range); |
| 5562 | printf (_(" Opcode Base: %d\n"), info.li_opcode_base); |
| 5563 | |
| 5564 | end_of_sequence = data + info.li_length + sizeof (external->li_length); |
| 5565 | |
| 5566 | reset_state_machine (info.li_default_is_stmt); |
| 5567 | |
| 5568 | /* Display the contents of the Opcodes table. */ |
| 5569 | standard_opcodes = data + sizeof (* external); |
| 5570 | |
| 5571 | printf (_("\n Opcodes:\n")); |
| 5572 | |
| 5573 | for (i = 1; i < info.li_opcode_base; i++) |
| 5574 | printf (_(" Opcode %d has %d args\n"), i, standard_opcodes[i - 1]); |
| 5575 | |
| 5576 | /* Display the contents of the Directory table. */ |
| 5577 | data = standard_opcodes + info.li_opcode_base - 1; |
| 5578 | |
| 5579 | if (* data == 0) |
| 5580 | printf (_("\n The Directory Table is empty.\n")); |
| 5581 | else |
| 5582 | { |
| 5583 | printf (_("\n The Directory Table:\n")); |
| 5584 | |
| 5585 | while (* data != 0) |
| 5586 | { |
| 5587 | printf (_(" %s\n"), data); |
| 5588 | |
| 5589 | data += strlen ((char *) data) + 1; |
| 5590 | } |
| 5591 | } |
| 5592 | |
| 5593 | /* Skip the NUL at the end of the table. */ |
| 5594 | data ++; |
| 5595 | |
| 5596 | /* Display the contents of the File Name table. */ |
| 5597 | if (* data == 0) |
| 5598 | printf (_("\n The File Name Table is empty.\n")); |
| 5599 | else |
| 5600 | { |
| 5601 | printf (_("\n The File Name Table:\n")); |
| 5602 | printf (_(" Entry\tDir\tTime\tSize\tName\n")); |
| 5603 | |
| 5604 | while (* data != 0) |
| 5605 | { |
| 5606 | unsigned char * name; |
| 5607 | int bytes_read; |
| 5608 | |
| 5609 | printf (_(" %d\t"), ++ state_machine_regs.last_file_entry); |
| 5610 | name = data; |
| 5611 | |
| 5612 | data += strlen ((char *) data) + 1; |
| 5613 | |
| 5614 | printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0)); |
| 5615 | data += bytes_read; |
| 5616 | printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0)); |
| 5617 | data += bytes_read; |
| 5618 | printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0)); |
| 5619 | data += bytes_read; |
| 5620 | printf (_("%s\n"), name); |
| 5621 | } |
| 5622 | } |
| 5623 | |
| 5624 | /* Skip the NUL at the end of the table. */ |
| 5625 | data ++; |
| 5626 | |
| 5627 | /* Now display the statements. */ |
| 5628 | printf (_("\n Line Number Statements:\n")); |
| 5629 | |
| 5630 | |
| 5631 | while (data < end_of_sequence) |
| 5632 | { |
| 5633 | unsigned char op_code; |
| 5634 | int adv; |
| 5635 | int bytes_read; |
| 5636 | |
| 5637 | op_code = * data ++; |
| 5638 | |
| 5639 | switch (op_code) |
| 5640 | { |
| 5641 | case DW_LNS_extended_op: |
| 5642 | data += process_extended_line_op (data, info.li_default_is_stmt, |
| 5643 | debug_line_pointer_size); |
| 5644 | break; |
| 5645 | |
| 5646 | case DW_LNS_copy: |
| 5647 | printf (_(" Copy\n")); |
| 5648 | break; |
| 5649 | |
| 5650 | case DW_LNS_advance_pc: |
| 5651 | adv = info.li_min_insn_length * read_leb128 (data, & bytes_read, 0); |
| 5652 | data += bytes_read; |
| 5653 | state_machine_regs.address += adv; |
| 5654 | printf (_(" Advance PC by %d to %lx\n"), adv, |
| 5655 | state_machine_regs.address); |
| 5656 | break; |
| 5657 | |
| 5658 | case DW_LNS_advance_line: |
| 5659 | adv = read_leb128 (data, & bytes_read, 1); |
| 5660 | data += bytes_read; |
| 5661 | state_machine_regs.line += adv; |
| 5662 | printf (_(" Advance Line by %d to %d\n"), adv, |
| 5663 | state_machine_regs.line); |
| 5664 | break; |
| 5665 | |
| 5666 | case DW_LNS_set_file: |
| 5667 | adv = read_leb128 (data, & bytes_read, 0); |
| 5668 | data += bytes_read; |
| 5669 | printf (_(" Set File Name to entry %d in the File Name Table\n"), |
| 5670 | adv); |
| 5671 | state_machine_regs.file = adv; |
| 5672 | break; |
| 5673 | |
| 5674 | case DW_LNS_set_column: |
| 5675 | adv = read_leb128 (data, & bytes_read, 0); |
| 5676 | data += bytes_read; |
| 5677 | printf (_(" Set column to %d\n"), adv); |
| 5678 | state_machine_regs.column = adv; |
| 5679 | break; |
| 5680 | |
| 5681 | case DW_LNS_negate_stmt: |
| 5682 | adv = state_machine_regs.is_stmt; |
| 5683 | adv = ! adv; |
| 5684 | printf (_(" Set is_stmt to %d\n"), adv); |
| 5685 | state_machine_regs.is_stmt = adv; |
| 5686 | break; |
| 5687 | |
| 5688 | case DW_LNS_set_basic_block: |
| 5689 | printf (_(" Set basic block\n")); |
| 5690 | state_machine_regs.basic_block = 1; |
| 5691 | break; |
| 5692 | |
| 5693 | case DW_LNS_const_add_pc: |
| 5694 | adv = (((255 - info.li_opcode_base) / info.li_line_range) |
| 5695 | * info.li_min_insn_length); |
| 5696 | state_machine_regs.address += adv; |
| 5697 | printf (_(" Advance PC by constant %d to 0x%lx\n"), adv, |
| 5698 | state_machine_regs.address); |
| 5699 | break; |
| 5700 | |
| 5701 | case DW_LNS_fixed_advance_pc: |
| 5702 | adv = byte_get (data, 2); |
| 5703 | data += 2; |
| 5704 | state_machine_regs.address += adv; |
| 5705 | printf (_(" Advance PC by fixed size amount %d to 0x%lx\n"), |
| 5706 | adv, state_machine_regs.address); |
| 5707 | break; |
| 5708 | |
| 5709 | default: |
| 5710 | op_code -= info.li_opcode_base; |
| 5711 | adv = (op_code / info.li_line_range) * info.li_min_insn_length; |
| 5712 | state_machine_regs.address += adv; |
| 5713 | printf (_(" Special opcode %d: advance Address by %d to 0x%lx"), |
| 5714 | op_code, adv, state_machine_regs.address); |
| 5715 | adv = (op_code % info.li_line_range) + info.li_line_base; |
| 5716 | state_machine_regs.line += adv; |
| 5717 | printf (_(" and Line by %d to %d\n"), |
| 5718 | adv, state_machine_regs.line); |
| 5719 | break; |
| 5720 | } |
| 5721 | } |
| 5722 | printf ("\n"); |
| 5723 | } |
| 5724 | |
| 5725 | return 1; |
| 5726 | } |
| 5727 | |
| 5728 | static int |
| 5729 | display_debug_pubnames (section, start, file) |
| 5730 | Elf32_Internal_Shdr * section; |
| 5731 | unsigned char * start; |
| 5732 | FILE * file ATTRIBUTE_UNUSED; |
| 5733 | { |
| 5734 | DWARF2_External_PubNames * external; |
| 5735 | DWARF2_Internal_PubNames pubnames; |
| 5736 | unsigned char * end; |
| 5737 | |
| 5738 | end = start + section->sh_size; |
| 5739 | |
| 5740 | printf (_("Contents of the %s section:\n\n"), SECTION_NAME (section)); |
| 5741 | |
| 5742 | while (start < end) |
| 5743 | { |
| 5744 | unsigned char * data; |
| 5745 | unsigned long offset; |
| 5746 | |
| 5747 | external = (DWARF2_External_PubNames *) start; |
| 5748 | |
| 5749 | pubnames.pn_length = BYTE_GET (external->pn_length); |
| 5750 | pubnames.pn_version = BYTE_GET (external->pn_version); |
| 5751 | pubnames.pn_offset = BYTE_GET (external->pn_offset); |
| 5752 | pubnames.pn_size = BYTE_GET (external->pn_size); |
| 5753 | |
| 5754 | data = start + sizeof (* external); |
| 5755 | start += pubnames.pn_length + sizeof (external->pn_length); |
| 5756 | |
| 5757 | if (pubnames.pn_version != 2) |
| 5758 | { |
| 5759 | static int warned = 0; |
| 5760 | |
| 5761 | if (! warned) |
| 5762 | { |
| 5763 | warn (_("Only DWARF 2 pubnames are currently supported\n")); |
| 5764 | warned = 1; |
| 5765 | } |
| 5766 | |
| 5767 | continue; |
| 5768 | } |
| 5769 | |
| 5770 | printf (_(" Length: %ld\n"), |
| 5771 | pubnames.pn_length); |
| 5772 | printf (_(" Version: %d\n"), |
| 5773 | pubnames.pn_version); |
| 5774 | printf (_(" Offset into .debug_info section: %ld\n"), |
| 5775 | pubnames.pn_offset); |
| 5776 | printf (_(" Size of area in .debug_info section: %ld\n"), |
| 5777 | pubnames.pn_size); |
| 5778 | |
| 5779 | printf (_("\n Offset\tName\n")); |
| 5780 | |
| 5781 | do |
| 5782 | { |
| 5783 | offset = byte_get (data, 4); |
| 5784 | |
| 5785 | if (offset != 0) |
| 5786 | { |
| 5787 | data += 4; |
| 5788 | printf (" %ld\t\t%s\n", offset, data); |
| 5789 | data += strlen ((char *) data) + 1; |
| 5790 | } |
| 5791 | } |
| 5792 | while (offset != 0); |
| 5793 | } |
| 5794 | |
| 5795 | printf ("\n"); |
| 5796 | return 1; |
| 5797 | } |
| 5798 | |
| 5799 | static char * |
| 5800 | get_TAG_name (tag) |
| 5801 | unsigned long tag; |
| 5802 | { |
| 5803 | switch (tag) |
| 5804 | { |
| 5805 | case DW_TAG_padding: return "DW_TAG_padding"; |
| 5806 | case DW_TAG_array_type: return "DW_TAG_array_type"; |
| 5807 | case DW_TAG_class_type: return "DW_TAG_class_type"; |
| 5808 | case DW_TAG_entry_point: return "DW_TAG_entry_point"; |
| 5809 | case DW_TAG_enumeration_type: return "DW_TAG_enumeration_type"; |
| 5810 | case DW_TAG_formal_parameter: return "DW_TAG_formal_parameter"; |
| 5811 | case DW_TAG_imported_declaration: return "DW_TAG_imported_declaration"; |
| 5812 | case DW_TAG_label: return "DW_TAG_label"; |
| 5813 | case DW_TAG_lexical_block: return "DW_TAG_lexical_block"; |
| 5814 | case DW_TAG_member: return "DW_TAG_member"; |
| 5815 | case DW_TAG_pointer_type: return "DW_TAG_pointer_type"; |
| 5816 | case DW_TAG_reference_type: return "DW_TAG_reference_type"; |
| 5817 | case DW_TAG_compile_unit: return "DW_TAG_compile_unit"; |
| 5818 | case DW_TAG_string_type: return "DW_TAG_string_type"; |
| 5819 | case DW_TAG_structure_type: return "DW_TAG_structure_type"; |
| 5820 | case DW_TAG_subroutine_type: return "DW_TAG_subroutine_type"; |
| 5821 | case DW_TAG_typedef: return "DW_TAG_typedef"; |
| 5822 | case DW_TAG_union_type: return "DW_TAG_union_type"; |
| 5823 | case DW_TAG_unspecified_parameters: return "DW_TAG_unspecified_parameters"; |
| 5824 | case DW_TAG_variant: return "DW_TAG_variant"; |
| 5825 | case DW_TAG_common_block: return "DW_TAG_common_block"; |
| 5826 | case DW_TAG_common_inclusion: return "DW_TAG_common_inclusion"; |
| 5827 | case DW_TAG_inheritance: return "DW_TAG_inheritance"; |
| 5828 | case DW_TAG_inlined_subroutine: return "DW_TAG_inlined_subroutine"; |
| 5829 | case DW_TAG_module: return "DW_TAG_module"; |
| 5830 | case DW_TAG_ptr_to_member_type: return "DW_TAG_ptr_to_member_type"; |
| 5831 | case DW_TAG_set_type: return "DW_TAG_set_type"; |
| 5832 | case DW_TAG_subrange_type: return "DW_TAG_subrange_type"; |
| 5833 | case DW_TAG_with_stmt: return "DW_TAG_with_stmt"; |
| 5834 | case DW_TAG_access_declaration: return "DW_TAG_access_declaration"; |
| 5835 | case DW_TAG_base_type: return "DW_TAG_base_type"; |
| 5836 | case DW_TAG_catch_block: return "DW_TAG_catch_block"; |
| 5837 | case DW_TAG_const_type: return "DW_TAG_const_type"; |
| 5838 | case DW_TAG_constant: return "DW_TAG_constant"; |
| 5839 | case DW_TAG_enumerator: return "DW_TAG_enumerator"; |
| 5840 | case DW_TAG_file_type: return "DW_TAG_file_type"; |
| 5841 | case DW_TAG_friend: return "DW_TAG_friend"; |
| 5842 | case DW_TAG_namelist: return "DW_TAG_namelist"; |
| 5843 | case DW_TAG_namelist_item: return "DW_TAG_namelist_item"; |
| 5844 | case DW_TAG_packed_type: return "DW_TAG_packed_type"; |
| 5845 | case DW_TAG_subprogram: return "DW_TAG_subprogram"; |
| 5846 | case DW_TAG_template_type_param: return "DW_TAG_template_type_param"; |
| 5847 | case DW_TAG_template_value_param: return "DW_TAG_template_value_param"; |
| 5848 | case DW_TAG_thrown_type: return "DW_TAG_thrown_type"; |
| 5849 | case DW_TAG_try_block: return "DW_TAG_try_block"; |
| 5850 | case DW_TAG_variant_part: return "DW_TAG_variant_part"; |
| 5851 | case DW_TAG_variable: return "DW_TAG_variable"; |
| 5852 | case DW_TAG_volatile_type: return "DW_TAG_volatile_type"; |
| 5853 | case DW_TAG_MIPS_loop: return "DW_TAG_MIPS_loop"; |
| 5854 | case DW_TAG_format_label: return "DW_TAG_format_label"; |
| 5855 | case DW_TAG_function_template: return "DW_TAG_function_template"; |
| 5856 | case DW_TAG_class_template: return "DW_TAG_class_template"; |
| 5857 | default: |
| 5858 | { |
| 5859 | static char buffer [100]; |
| 5860 | |
| 5861 | sprintf (buffer, _("Unknown TAG value: %lx"), tag); |
| 5862 | return buffer; |
| 5863 | } |
| 5864 | } |
| 5865 | } |
| 5866 | |
| 5867 | static char * |
| 5868 | get_AT_name (attribute) |
| 5869 | unsigned long attribute; |
| 5870 | { |
| 5871 | switch (attribute) |
| 5872 | { |
| 5873 | case DW_AT_sibling: return "DW_AT_sibling"; |
| 5874 | case DW_AT_location: return "DW_AT_location"; |
| 5875 | case DW_AT_name: return "DW_AT_name"; |
| 5876 | case DW_AT_ordering: return "DW_AT_ordering"; |
| 5877 | case DW_AT_subscr_data: return "DW_AT_subscr_data"; |
| 5878 | case DW_AT_byte_size: return "DW_AT_byte_size"; |
| 5879 | case DW_AT_bit_offset: return "DW_AT_bit_offset"; |
| 5880 | case DW_AT_bit_size: return "DW_AT_bit_size"; |
| 5881 | case DW_AT_element_list: return "DW_AT_element_list"; |
| 5882 | case DW_AT_stmt_list: return "DW_AT_stmt_list"; |
| 5883 | case DW_AT_low_pc: return "DW_AT_low_pc"; |
| 5884 | case DW_AT_high_pc: return "DW_AT_high_pc"; |
| 5885 | case DW_AT_language: return "DW_AT_language"; |
| 5886 | case DW_AT_member: return "DW_AT_member"; |
| 5887 | case DW_AT_discr: return "DW_AT_discr"; |
| 5888 | case DW_AT_discr_value: return "DW_AT_discr_value"; |
| 5889 | case DW_AT_visibility: return "DW_AT_visibility"; |
| 5890 | case DW_AT_import: return "DW_AT_import"; |
| 5891 | case DW_AT_string_length: return "DW_AT_string_length"; |
| 5892 | case DW_AT_common_reference: return "DW_AT_common_reference"; |
| 5893 | case DW_AT_comp_dir: return "DW_AT_comp_dir"; |
| 5894 | case DW_AT_const_value: return "DW_AT_const_value"; |
| 5895 | case DW_AT_containing_type: return "DW_AT_containing_type"; |
| 5896 | case DW_AT_default_value: return "DW_AT_default_value"; |
| 5897 | case DW_AT_inline: return "DW_AT_inline"; |
| 5898 | case DW_AT_is_optional: return "DW_AT_is_optional"; |
| 5899 | case DW_AT_lower_bound: return "DW_AT_lower_bound"; |
| 5900 | case DW_AT_producer: return "DW_AT_producer"; |
| 5901 | case DW_AT_prototyped: return "DW_AT_prototyped"; |
| 5902 | case DW_AT_return_addr: return "DW_AT_return_addr"; |
| 5903 | case DW_AT_start_scope: return "DW_AT_start_scope"; |
| 5904 | case DW_AT_stride_size: return "DW_AT_stride_size"; |
| 5905 | case DW_AT_upper_bound: return "DW_AT_upper_bound"; |
| 5906 | case DW_AT_abstract_origin: return "DW_AT_abstract_origin"; |
| 5907 | case DW_AT_accessibility: return "DW_AT_accessibility"; |
| 5908 | case DW_AT_address_class: return "DW_AT_address_class"; |
| 5909 | case DW_AT_artificial: return "DW_AT_artificial"; |
| 5910 | case DW_AT_base_types: return "DW_AT_base_types"; |
| 5911 | case DW_AT_calling_convention: return "DW_AT_calling_convention"; |
| 5912 | case DW_AT_count: return "DW_AT_count"; |
| 5913 | case DW_AT_data_member_location: return "DW_AT_data_member_location"; |
| 5914 | case DW_AT_decl_column: return "DW_AT_decl_column"; |
| 5915 | case DW_AT_decl_file: return "DW_AT_decl_file"; |
| 5916 | case DW_AT_decl_line: return "DW_AT_decl_line"; |
| 5917 | case DW_AT_declaration: return "DW_AT_declaration"; |
| 5918 | case DW_AT_discr_list: return "DW_AT_discr_list"; |
| 5919 | case DW_AT_encoding: return "DW_AT_encoding"; |
| 5920 | case DW_AT_external: return "DW_AT_external"; |
| 5921 | case DW_AT_frame_base: return "DW_AT_frame_base"; |
| 5922 | case DW_AT_friend: return "DW_AT_friend"; |
| 5923 | case DW_AT_identifier_case: return "DW_AT_identifier_case"; |
| 5924 | case DW_AT_macro_info: return "DW_AT_macro_info"; |
| 5925 | case DW_AT_namelist_items: return "DW_AT_namelist_items"; |
| 5926 | case DW_AT_priority: return "DW_AT_priority"; |
| 5927 | case DW_AT_segment: return "DW_AT_segment"; |
| 5928 | case DW_AT_specification: return "DW_AT_specification"; |
| 5929 | case DW_AT_static_link: return "DW_AT_static_link"; |
| 5930 | case DW_AT_type: return "DW_AT_type"; |
| 5931 | case DW_AT_use_location: return "DW_AT_use_location"; |
| 5932 | case DW_AT_variable_parameter: return "DW_AT_variable_parameter"; |
| 5933 | case DW_AT_virtuality: return "DW_AT_virtuality"; |
| 5934 | case DW_AT_vtable_elem_location: return "DW_AT_vtable_elem_location"; |
| 5935 | case DW_AT_MIPS_fde: return "DW_AT_MIPS_fde"; |
| 5936 | case DW_AT_MIPS_loop_begin: return "DW_AT_MIPS_loop_begin"; |
| 5937 | case DW_AT_MIPS_tail_loop_begin: return "DW_AT_MIPS_tail_loop_begin"; |
| 5938 | case DW_AT_MIPS_epilog_begin: return "DW_AT_MIPS_epilog_begin"; |
| 5939 | case DW_AT_MIPS_loop_unroll_factor: return "DW_AT_MIPS_loop_unroll_factor"; |
| 5940 | case DW_AT_MIPS_software_pipeline_depth: return "DW_AT_MIPS_software_pipeline_depth"; |
| 5941 | case DW_AT_MIPS_linkage_name: return "DW_AT_MIPS_linkage_name"; |
| 5942 | case DW_AT_MIPS_stride: return "DW_AT_MIPS_stride"; |
| 5943 | case DW_AT_MIPS_abstract_name: return "DW_AT_MIPS_abstract_name"; |
| 5944 | case DW_AT_MIPS_clone_origin: return "DW_AT_MIPS_clone_origin"; |
| 5945 | case DW_AT_MIPS_has_inlines: return "DW_AT_MIPS_has_inlines"; |
| 5946 | case DW_AT_sf_names: return "DW_AT_sf_names"; |
| 5947 | case DW_AT_src_info: return "DW_AT_src_info"; |
| 5948 | case DW_AT_mac_info: return "DW_AT_mac_info"; |
| 5949 | case DW_AT_src_coords: return "DW_AT_src_coords"; |
| 5950 | case DW_AT_body_begin: return "DW_AT_body_begin"; |
| 5951 | case DW_AT_body_end: return "DW_AT_body_end"; |
| 5952 | default: |
| 5953 | { |
| 5954 | static char buffer [100]; |
| 5955 | |
| 5956 | sprintf (buffer, _("Unknown AT value: %lx"), attribute); |
| 5957 | return buffer; |
| 5958 | } |
| 5959 | } |
| 5960 | } |
| 5961 | |
| 5962 | static char * |
| 5963 | get_FORM_name (form) |
| 5964 | unsigned long form; |
| 5965 | { |
| 5966 | switch (form) |
| 5967 | { |
| 5968 | case DW_FORM_addr: return "DW_FORM_addr"; |
| 5969 | case DW_FORM_block2: return "DW_FORM_block2"; |
| 5970 | case DW_FORM_block4: return "DW_FORM_block4"; |
| 5971 | case DW_FORM_data2: return "DW_FORM_data2"; |
| 5972 | case DW_FORM_data4: return "DW_FORM_data4"; |
| 5973 | case DW_FORM_data8: return "DW_FORM_data8"; |
| 5974 | case DW_FORM_string: return "DW_FORM_string"; |
| 5975 | case DW_FORM_block: return "DW_FORM_block"; |
| 5976 | case DW_FORM_block1: return "DW_FORM_block1"; |
| 5977 | case DW_FORM_data1: return "DW_FORM_data1"; |
| 5978 | case DW_FORM_flag: return "DW_FORM_flag"; |
| 5979 | case DW_FORM_sdata: return "DW_FORM_sdata"; |
| 5980 | case DW_FORM_strp: return "DW_FORM_strp"; |
| 5981 | case DW_FORM_udata: return "DW_FORM_udata"; |
| 5982 | case DW_FORM_ref_addr: return "DW_FORM_ref_addr"; |
| 5983 | case DW_FORM_ref1: return "DW_FORM_ref1"; |
| 5984 | case DW_FORM_ref2: return "DW_FORM_ref2"; |
| 5985 | case DW_FORM_ref4: return "DW_FORM_ref4"; |
| 5986 | case DW_FORM_ref8: return "DW_FORM_ref8"; |
| 5987 | case DW_FORM_ref_udata: return "DW_FORM_ref_udata"; |
| 5988 | case DW_FORM_indirect: return "DW_FORM_indirect"; |
| 5989 | default: |
| 5990 | { |
| 5991 | static char buffer [100]; |
| 5992 | |
| 5993 | sprintf (buffer, _("Unknown FORM value: %lx"), form); |
| 5994 | return buffer; |
| 5995 | } |
| 5996 | } |
| 5997 | } |
| 5998 | |
| 5999 | /* FIXME: There are better and more effiecint ways to handle |
| 6000 | these structures. For now though, I just want something that |
| 6001 | is simple to implement. */ |
| 6002 | typedef struct abbrev_attr |
| 6003 | { |
| 6004 | unsigned long attribute; |
| 6005 | unsigned long form; |
| 6006 | struct abbrev_attr * next; |
| 6007 | } |
| 6008 | abbrev_attr; |
| 6009 | |
| 6010 | typedef struct abbrev_entry |
| 6011 | { |
| 6012 | unsigned long entry; |
| 6013 | unsigned long tag; |
| 6014 | int children; |
| 6015 | struct abbrev_attr * first_attr; |
| 6016 | struct abbrev_attr * last_attr; |
| 6017 | struct abbrev_entry * next; |
| 6018 | } |
| 6019 | abbrev_entry; |
| 6020 | |
| 6021 | static abbrev_entry * first_abbrev = NULL; |
| 6022 | static abbrev_entry * last_abbrev = NULL; |
| 6023 | |
| 6024 | static void |
| 6025 | free_abbrevs PARAMS ((void)) |
| 6026 | { |
| 6027 | abbrev_entry * abbrev; |
| 6028 | |
| 6029 | for (abbrev = first_abbrev; abbrev;) |
| 6030 | { |
| 6031 | abbrev_entry * next = abbrev->next; |
| 6032 | abbrev_attr * attr; |
| 6033 | |
| 6034 | for (attr = abbrev->first_attr; attr;) |
| 6035 | { |
| 6036 | abbrev_attr * next = attr->next; |
| 6037 | |
| 6038 | free (attr); |
| 6039 | attr = next; |
| 6040 | } |
| 6041 | |
| 6042 | free (abbrev); |
| 6043 | abbrev = next; |
| 6044 | } |
| 6045 | |
| 6046 | last_abbrev = first_abbrev = NULL; |
| 6047 | } |
| 6048 | |
| 6049 | static void |
| 6050 | add_abbrev (number, tag, children) |
| 6051 | unsigned long number; |
| 6052 | unsigned long tag; |
| 6053 | int children; |
| 6054 | { |
| 6055 | abbrev_entry * entry; |
| 6056 | |
| 6057 | entry = (abbrev_entry *) malloc (sizeof (* entry)); |
| 6058 | |
| 6059 | if (entry == NULL) |
| 6060 | /* ugg */ |
| 6061 | return; |
| 6062 | |
| 6063 | entry->entry = number; |
| 6064 | entry->tag = tag; |
| 6065 | entry->children = children; |
| 6066 | entry->first_attr = NULL; |
| 6067 | entry->last_attr = NULL; |
| 6068 | entry->next = NULL; |
| 6069 | |
| 6070 | if (first_abbrev == NULL) |
| 6071 | first_abbrev = entry; |
| 6072 | else |
| 6073 | last_abbrev->next = entry; |
| 6074 | |
| 6075 | last_abbrev = entry; |
| 6076 | } |
| 6077 | |
| 6078 | static void |
| 6079 | add_abbrev_attr (attribute, form) |
| 6080 | unsigned long attribute; |
| 6081 | unsigned long form; |
| 6082 | { |
| 6083 | abbrev_attr * attr; |
| 6084 | |
| 6085 | attr = (abbrev_attr *) malloc (sizeof (* attr)); |
| 6086 | |
| 6087 | if (attr == NULL) |
| 6088 | /* ugg */ |
| 6089 | return; |
| 6090 | |
| 6091 | attr->attribute = attribute; |
| 6092 | attr->form = form; |
| 6093 | attr->next = NULL; |
| 6094 | |
| 6095 | if (last_abbrev->first_attr == NULL) |
| 6096 | last_abbrev->first_attr = attr; |
| 6097 | else |
| 6098 | last_abbrev->last_attr->next = attr; |
| 6099 | |
| 6100 | last_abbrev->last_attr = attr; |
| 6101 | } |
| 6102 | |
| 6103 | /* Processes the (partial) contents of a .debug_abbrev section. |
| 6104 | Returns NULL if the end of the section was encountered. |
| 6105 | Returns the address after the last byte read if the end of |
| 6106 | an abbreviation set was found. */ |
| 6107 | |
| 6108 | static unsigned char * |
| 6109 | process_abbrev_section (start, end) |
| 6110 | unsigned char * start; |
| 6111 | unsigned char * end; |
| 6112 | { |
| 6113 | if (first_abbrev != NULL) |
| 6114 | return NULL; |
| 6115 | |
| 6116 | while (start < end) |
| 6117 | { |
| 6118 | int bytes_read; |
| 6119 | unsigned long entry; |
| 6120 | unsigned long tag; |
| 6121 | unsigned long attribute; |
| 6122 | int children; |
| 6123 | |
| 6124 | entry = read_leb128 (start, & bytes_read, 0); |
| 6125 | start += bytes_read; |
| 6126 | |
| 6127 | /* A single zero is supposed to end the section according |
| 6128 | to the standard. If there's more, then signal that to |
| 6129 | the caller. */ |
| 6130 | if (entry == 0) |
| 6131 | return start == end ? NULL : start; |
| 6132 | |
| 6133 | tag = read_leb128 (start, & bytes_read, 0); |
| 6134 | start += bytes_read; |
| 6135 | |
| 6136 | children = * start ++; |
| 6137 | |
| 6138 | add_abbrev (entry, tag, children); |
| 6139 | |
| 6140 | do |
| 6141 | { |
| 6142 | unsigned long form; |
| 6143 | |
| 6144 | attribute = read_leb128 (start, & bytes_read, 0); |
| 6145 | start += bytes_read; |
| 6146 | |
| 6147 | form = read_leb128 (start, & bytes_read, 0); |
| 6148 | start += bytes_read; |
| 6149 | |
| 6150 | if (attribute != 0) |
| 6151 | add_abbrev_attr (attribute, form); |
| 6152 | } |
| 6153 | while (attribute != 0); |
| 6154 | } |
| 6155 | |
| 6156 | return NULL; |
| 6157 | } |
| 6158 | |
| 6159 | |
| 6160 | static int |
| 6161 | display_debug_abbrev (section, start, file) |
| 6162 | Elf32_Internal_Shdr * section; |
| 6163 | unsigned char * start; |
| 6164 | FILE * file ATTRIBUTE_UNUSED; |
| 6165 | { |
| 6166 | abbrev_entry * entry; |
| 6167 | unsigned char * end = start + section->sh_size; |
| 6168 | |
| 6169 | printf (_("Contents of the %s section:\n\n"), SECTION_NAME (section)); |
| 6170 | |
| 6171 | do |
| 6172 | { |
| 6173 | start = process_abbrev_section (start, end); |
| 6174 | |
| 6175 | printf (_(" Number TAG\n")); |
| 6176 | |
| 6177 | for (entry = first_abbrev; entry; entry = entry->next) |
| 6178 | { |
| 6179 | abbrev_attr * attr; |
| 6180 | |
| 6181 | printf (_(" %ld %s [%s]\n"), |
| 6182 | entry->entry, |
| 6183 | get_TAG_name (entry->tag), |
| 6184 | entry->children ? _("has children") : _("no children")); |
| 6185 | |
| 6186 | for (attr = entry->first_attr; attr; attr = attr->next) |
| 6187 | { |
| 6188 | printf (_(" %-18s %s\n"), |
| 6189 | get_AT_name (attr->attribute), |
| 6190 | get_FORM_name (attr->form)); |
| 6191 | } |
| 6192 | } |
| 6193 | } |
| 6194 | while (start); |
| 6195 | |
| 6196 | printf ("\n"); |
| 6197 | |
| 6198 | return 1; |
| 6199 | } |
| 6200 | |
| 6201 | |
| 6202 | static unsigned char * |
| 6203 | display_block (data, length) |
| 6204 | unsigned char * data; |
| 6205 | unsigned long length; |
| 6206 | { |
| 6207 | printf (_(" %lu byte block: "), length); |
| 6208 | |
| 6209 | while (length --) |
| 6210 | printf ("%lx ", (unsigned long) byte_get (data ++, 1)); |
| 6211 | |
| 6212 | return data; |
| 6213 | } |
| 6214 | |
| 6215 | static void |
| 6216 | decode_location_expression (data, pointer_size, length) |
| 6217 | unsigned char * data; |
| 6218 | unsigned int pointer_size; |
| 6219 | unsigned long length; |
| 6220 | { |
| 6221 | unsigned op; |
| 6222 | int bytes_read; |
| 6223 | unsigned long uvalue; |
| 6224 | unsigned char * end = data + length; |
| 6225 | |
| 6226 | while (data < end) |
| 6227 | { |
| 6228 | op = * data ++; |
| 6229 | |
| 6230 | switch (op) |
| 6231 | { |
| 6232 | case DW_OP_addr: |
| 6233 | printf ("DW_OP_addr: %lx", |
| 6234 | (unsigned long) byte_get (data, pointer_size)); |
| 6235 | data += pointer_size; |
| 6236 | break; |
| 6237 | case DW_OP_deref: |
| 6238 | printf ("DW_OP_deref"); |
| 6239 | break; |
| 6240 | case DW_OP_const1u: |
| 6241 | printf ("DW_OP_const1u: %lu", (unsigned long) byte_get (data++, 1)); |
| 6242 | break; |
| 6243 | case DW_OP_const1s: |
| 6244 | printf ("DW_OP_const1s: %ld", (long) byte_get (data++, 1)); |
| 6245 | break; |
| 6246 | case DW_OP_const2u: |
| 6247 | printf ("DW_OP_const2u: %lu", (unsigned long) byte_get (data, 2)); |
| 6248 | data += 2; |
| 6249 | break; |
| 6250 | case DW_OP_const2s: |
| 6251 | printf ("DW_OP_const2s: %ld", (long) byte_get (data, 2)); |
| 6252 | data += 2; |
| 6253 | break; |
| 6254 | case DW_OP_const4u: |
| 6255 | printf ("DW_OP_const4u: %lu", (unsigned long) byte_get (data, 4)); |
| 6256 | data += 4; |
| 6257 | break; |
| 6258 | case DW_OP_const4s: |
| 6259 | printf ("DW_OP_const4s: %ld", (long) byte_get (data, 4)); |
| 6260 | data += 4; |
| 6261 | break; |
| 6262 | case DW_OP_const8u: |
| 6263 | printf ("DW_OP_const8u: %lu %lu", (unsigned long) byte_get (data, 4), |
| 6264 | (unsigned long) byte_get (data + 4, 4)); |
| 6265 | data += 8; |
| 6266 | break; |
| 6267 | case DW_OP_const8s: |
| 6268 | printf ("DW_OP_const8s: %ld %ld", (long) byte_get (data, 4), |
| 6269 | (long) byte_get (data + 4, 4)); |
| 6270 | data += 8; |
| 6271 | break; |
| 6272 | case DW_OP_constu: |
| 6273 | printf ("DW_OP_constu: %lu", read_leb128 (data, &bytes_read, 0)); |
| 6274 | data += bytes_read; |
| 6275 | break; |
| 6276 | case DW_OP_consts: |
| 6277 | printf ("DW_OP_consts: %ld", read_leb128 (data, &bytes_read, 1)); |
| 6278 | data += bytes_read; |
| 6279 | break; |
| 6280 | case DW_OP_dup: |
| 6281 | printf ("DW_OP_dup"); |
| 6282 | break; |
| 6283 | case DW_OP_drop: |
| 6284 | printf ("DW_OP_drop"); |
| 6285 | break; |
| 6286 | case DW_OP_over: |
| 6287 | printf ("DW_OP_over"); |
| 6288 | break; |
| 6289 | case DW_OP_pick: |
| 6290 | printf ("DW_OP_pick: %ld", (unsigned long) byte_get (data++, 1)); |
| 6291 | break; |
| 6292 | case DW_OP_swap: |
| 6293 | printf ("DW_OP_swap"); |
| 6294 | break; |
| 6295 | case DW_OP_rot: |
| 6296 | printf ("DW_OP_rot"); |
| 6297 | break; |
| 6298 | case DW_OP_xderef: |
| 6299 | printf ("DW_OP_xderef"); |
| 6300 | break; |
| 6301 | case DW_OP_abs: |
| 6302 | printf ("DW_OP_abs"); |
| 6303 | break; |
| 6304 | case DW_OP_and: |
| 6305 | printf ("DW_OP_and"); |
| 6306 | break; |
| 6307 | case DW_OP_div: |
| 6308 | printf ("DW_OP_div"); |
| 6309 | break; |
| 6310 | case DW_OP_minus: |
| 6311 | printf ("DW_OP_minus"); |
| 6312 | break; |
| 6313 | case DW_OP_mod: |
| 6314 | printf ("DW_OP_mod"); |
| 6315 | break; |
| 6316 | case DW_OP_mul: |
| 6317 | printf ("DW_OP_mul"); |
| 6318 | break; |
| 6319 | case DW_OP_neg: |
| 6320 | printf ("DW_OP_neg"); |
| 6321 | break; |
| 6322 | case DW_OP_not: |
| 6323 | printf ("DW_OP_not"); |
| 6324 | break; |
| 6325 | case DW_OP_or: |
| 6326 | printf ("DW_OP_or"); |
| 6327 | break; |
| 6328 | case DW_OP_plus: |
| 6329 | printf ("DW_OP_plus"); |
| 6330 | break; |
| 6331 | case DW_OP_plus_uconst: |
| 6332 | printf ("DW_OP_plus_uconst: %lu", |
| 6333 | read_leb128 (data, &bytes_read, 0)); |
| 6334 | data += bytes_read; |
| 6335 | break; |
| 6336 | case DW_OP_shl: |
| 6337 | printf ("DW_OP_shl"); |
| 6338 | break; |
| 6339 | case DW_OP_shr: |
| 6340 | printf ("DW_OP_shr"); |
| 6341 | break; |
| 6342 | case DW_OP_shra: |
| 6343 | printf ("DW_OP_shra"); |
| 6344 | break; |
| 6345 | case DW_OP_xor: |
| 6346 | printf ("DW_OP_xor"); |
| 6347 | break; |
| 6348 | case DW_OP_bra: |
| 6349 | printf ("DW_OP_bra: %ld", (long) byte_get (data, 2)); |
| 6350 | data += 2; |
| 6351 | break; |
| 6352 | case DW_OP_eq: |
| 6353 | printf ("DW_OP_eq"); |
| 6354 | break; |
| 6355 | case DW_OP_ge: |
| 6356 | printf ("DW_OP_ge"); |
| 6357 | break; |
| 6358 | case DW_OP_gt: |
| 6359 | printf ("DW_OP_gt"); |
| 6360 | break; |
| 6361 | case DW_OP_le: |
| 6362 | printf ("DW_OP_le"); |
| 6363 | break; |
| 6364 | case DW_OP_lt: |
| 6365 | printf ("DW_OP_lt"); |
| 6366 | break; |
| 6367 | case DW_OP_ne: |
| 6368 | printf ("DW_OP_ne"); |
| 6369 | break; |
| 6370 | case DW_OP_skip: |
| 6371 | printf ("DW_OP_skip: %ld", (long) byte_get (data, 2)); |
| 6372 | data += 2; |
| 6373 | break; |
| 6374 | |
| 6375 | case DW_OP_lit0: |
| 6376 | case DW_OP_lit1: |
| 6377 | case DW_OP_lit2: |
| 6378 | case DW_OP_lit3: |
| 6379 | case DW_OP_lit4: |
| 6380 | case DW_OP_lit5: |
| 6381 | case DW_OP_lit6: |
| 6382 | case DW_OP_lit7: |
| 6383 | case DW_OP_lit8: |
| 6384 | case DW_OP_lit9: |
| 6385 | case DW_OP_lit10: |
| 6386 | case DW_OP_lit11: |
| 6387 | case DW_OP_lit12: |
| 6388 | case DW_OP_lit13: |
| 6389 | case DW_OP_lit14: |
| 6390 | case DW_OP_lit15: |
| 6391 | case DW_OP_lit16: |
| 6392 | case DW_OP_lit17: |
| 6393 | case DW_OP_lit18: |
| 6394 | case DW_OP_lit19: |
| 6395 | case DW_OP_lit20: |
| 6396 | case DW_OP_lit21: |
| 6397 | case DW_OP_lit22: |
| 6398 | case DW_OP_lit23: |
| 6399 | case DW_OP_lit24: |
| 6400 | case DW_OP_lit25: |
| 6401 | case DW_OP_lit26: |
| 6402 | case DW_OP_lit27: |
| 6403 | case DW_OP_lit28: |
| 6404 | case DW_OP_lit29: |
| 6405 | case DW_OP_lit30: |
| 6406 | case DW_OP_lit31: |
| 6407 | printf ("DW_OP_lit%d", op - DW_OP_lit0); |
| 6408 | break; |
| 6409 | |
| 6410 | case DW_OP_reg0: |
| 6411 | case DW_OP_reg1: |
| 6412 | case DW_OP_reg2: |
| 6413 | case DW_OP_reg3: |
| 6414 | case DW_OP_reg4: |
| 6415 | case DW_OP_reg5: |
| 6416 | case DW_OP_reg6: |
| 6417 | case DW_OP_reg7: |
| 6418 | case DW_OP_reg8: |
| 6419 | case DW_OP_reg9: |
| 6420 | case DW_OP_reg10: |
| 6421 | case DW_OP_reg11: |
| 6422 | case DW_OP_reg12: |
| 6423 | case DW_OP_reg13: |
| 6424 | case DW_OP_reg14: |
| 6425 | case DW_OP_reg15: |
| 6426 | case DW_OP_reg16: |
| 6427 | case DW_OP_reg17: |
| 6428 | case DW_OP_reg18: |
| 6429 | case DW_OP_reg19: |
| 6430 | case DW_OP_reg20: |
| 6431 | case DW_OP_reg21: |
| 6432 | case DW_OP_reg22: |
| 6433 | case DW_OP_reg23: |
| 6434 | case DW_OP_reg24: |
| 6435 | case DW_OP_reg25: |
| 6436 | case DW_OP_reg26: |
| 6437 | case DW_OP_reg27: |
| 6438 | case DW_OP_reg28: |
| 6439 | case DW_OP_reg29: |
| 6440 | case DW_OP_reg30: |
| 6441 | case DW_OP_reg31: |
| 6442 | printf ("DW_OP_reg%d", op - DW_OP_reg0); |
| 6443 | break; |
| 6444 | |
| 6445 | case DW_OP_breg0: |
| 6446 | case DW_OP_breg1: |
| 6447 | case DW_OP_breg2: |
| 6448 | case DW_OP_breg3: |
| 6449 | case DW_OP_breg4: |
| 6450 | case DW_OP_breg5: |
| 6451 | case DW_OP_breg6: |
| 6452 | case DW_OP_breg7: |
| 6453 | case DW_OP_breg8: |
| 6454 | case DW_OP_breg9: |
| 6455 | case DW_OP_breg10: |
| 6456 | case DW_OP_breg11: |
| 6457 | case DW_OP_breg12: |
| 6458 | case DW_OP_breg13: |
| 6459 | case DW_OP_breg14: |
| 6460 | case DW_OP_breg15: |
| 6461 | case DW_OP_breg16: |
| 6462 | case DW_OP_breg17: |
| 6463 | case DW_OP_breg18: |
| 6464 | case DW_OP_breg19: |
| 6465 | case DW_OP_breg20: |
| 6466 | case DW_OP_breg21: |
| 6467 | case DW_OP_breg22: |
| 6468 | case DW_OP_breg23: |
| 6469 | case DW_OP_breg24: |
| 6470 | case DW_OP_breg25: |
| 6471 | case DW_OP_breg26: |
| 6472 | case DW_OP_breg27: |
| 6473 | case DW_OP_breg28: |
| 6474 | case DW_OP_breg29: |
| 6475 | case DW_OP_breg30: |
| 6476 | case DW_OP_breg31: |
| 6477 | printf ("DW_OP_breg%d: %ld", op - DW_OP_breg0, |
| 6478 | read_leb128 (data, &bytes_read, 1)); |
| 6479 | data += bytes_read; |
| 6480 | break; |
| 6481 | |
| 6482 | case DW_OP_regx: |
| 6483 | printf ("DW_OP_regx: %lu", read_leb128 (data, &bytes_read, 0)); |
| 6484 | data += bytes_read; |
| 6485 | break; |
| 6486 | case DW_OP_fbreg: |
| 6487 | printf ("DW_OP_fbreg: %ld", read_leb128 (data, &bytes_read, 1)); |
| 6488 | data += bytes_read; |
| 6489 | break; |
| 6490 | case DW_OP_bregx: |
| 6491 | uvalue = read_leb128 (data, &bytes_read, 0); |
| 6492 | data += bytes_read; |
| 6493 | printf ("DW_OP_bregx: %lu %ld", uvalue, |
| 6494 | read_leb128 (data, &bytes_read, 1)); |
| 6495 | data += bytes_read; |
| 6496 | break; |
| 6497 | case DW_OP_piece: |
| 6498 | printf ("DW_OP_piece: %lu", read_leb128 (data, &bytes_read, 0)); |
| 6499 | data += bytes_read; |
| 6500 | break; |
| 6501 | case DW_OP_deref_size: |
| 6502 | printf ("DW_OP_deref_size: %ld", (long) byte_get (data++, 1)); |
| 6503 | break; |
| 6504 | case DW_OP_xderef_size: |
| 6505 | printf ("DW_OP_xderef_size: %ld", (long) byte_get (data++, 1)); |
| 6506 | break; |
| 6507 | case DW_OP_nop: |
| 6508 | printf ("DW_OP_nop"); |
| 6509 | break; |
| 6510 | |
| 6511 | default: |
| 6512 | if (op >= DW_OP_lo_user |
| 6513 | && op <= DW_OP_hi_user) |
| 6514 | printf (_("(User defined location op)")); |
| 6515 | else |
| 6516 | printf (_("(Unknown location op)")); |
| 6517 | /* No way to tell where the next op is, so just bail. */ |
| 6518 | return; |
| 6519 | } |
| 6520 | } |
| 6521 | } |
| 6522 | |
| 6523 | |
| 6524 | static unsigned char * |
| 6525 | read_and_display_attr (attribute, form, data, cu_offset, pointer_size) |
| 6526 | unsigned long attribute; |
| 6527 | unsigned long form; |
| 6528 | unsigned char * data; |
| 6529 | unsigned long cu_offset; |
| 6530 | unsigned long pointer_size; |
| 6531 | { |
| 6532 | unsigned long uvalue = 0; |
| 6533 | unsigned char * block_start = NULL; |
| 6534 | int bytes_read; |
| 6535 | |
| 6536 | printf (" %-18s:", get_AT_name (attribute)); |
| 6537 | |
| 6538 | switch (form) |
| 6539 | { |
| 6540 | default: |
| 6541 | break; |
| 6542 | |
| 6543 | case DW_FORM_ref_addr: |
| 6544 | case DW_FORM_addr: |
| 6545 | uvalue = byte_get (data, pointer_size); |
| 6546 | data += pointer_size; |
| 6547 | break; |
| 6548 | |
| 6549 | case DW_FORM_ref1: |
| 6550 | case DW_FORM_flag: |
| 6551 | case DW_FORM_data1: |
| 6552 | uvalue = byte_get (data ++, 1); |
| 6553 | break; |
| 6554 | |
| 6555 | case DW_FORM_ref2: |
| 6556 | case DW_FORM_data2: |
| 6557 | uvalue = byte_get (data, 2); |
| 6558 | data += 2; |
| 6559 | break; |
| 6560 | |
| 6561 | case DW_FORM_ref4: |
| 6562 | case DW_FORM_data4: |
| 6563 | uvalue = byte_get (data, 4); |
| 6564 | data += 4; |
| 6565 | break; |
| 6566 | |
| 6567 | case DW_FORM_sdata: |
| 6568 | uvalue = read_leb128 (data, & bytes_read, 1); |
| 6569 | data += bytes_read; |
| 6570 | break; |
| 6571 | |
| 6572 | case DW_FORM_ref_udata: |
| 6573 | case DW_FORM_udata: |
| 6574 | uvalue = read_leb128 (data, & bytes_read, 0); |
| 6575 | data += bytes_read; |
| 6576 | break; |
| 6577 | } |
| 6578 | |
| 6579 | switch (form) |
| 6580 | { |
| 6581 | case DW_FORM_ref_addr: |
| 6582 | printf (" <#%lx>", uvalue); |
| 6583 | break; |
| 6584 | |
| 6585 | case DW_FORM_ref1: |
| 6586 | case DW_FORM_ref2: |
| 6587 | case DW_FORM_ref4: |
| 6588 | case DW_FORM_ref_udata: |
| 6589 | printf (" <%lx>", uvalue + cu_offset); |
| 6590 | break; |
| 6591 | |
| 6592 | case DW_FORM_addr: |
| 6593 | printf (" %#lx", uvalue); |
| 6594 | |
| 6595 | case DW_FORM_flag: |
| 6596 | case DW_FORM_data1: |
| 6597 | case DW_FORM_data2: |
| 6598 | case DW_FORM_data4: |
| 6599 | case DW_FORM_sdata: |
| 6600 | case DW_FORM_udata: |
| 6601 | printf (" %ld", uvalue); |
| 6602 | break; |
| 6603 | |
| 6604 | case DW_FORM_ref8: |
| 6605 | case DW_FORM_data8: |
| 6606 | uvalue = byte_get (data, 4); |
| 6607 | printf (" %lx", uvalue); |
| 6608 | printf (" %lx", (unsigned long) byte_get (data + 4, 4)); |
| 6609 | data += 8; |
| 6610 | break; |
| 6611 | |
| 6612 | case DW_FORM_string: |
| 6613 | printf (" %s", data); |
| 6614 | data += strlen ((char *) data) + 1; |
| 6615 | break; |
| 6616 | |
| 6617 | case DW_FORM_block: |
| 6618 | uvalue = read_leb128 (data, & bytes_read, 0); |
| 6619 | block_start = data + bytes_read; |
| 6620 | data = display_block (block_start, uvalue); |
| 6621 | break; |
| 6622 | |
| 6623 | case DW_FORM_block1: |
| 6624 | uvalue = byte_get (data, 1); |
| 6625 | block_start = data + 1; |
| 6626 | data = display_block (block_start, uvalue); |
| 6627 | break; |
| 6628 | |
| 6629 | case DW_FORM_block2: |
| 6630 | uvalue = byte_get (data, 2); |
| 6631 | block_start = data + 2; |
| 6632 | data = display_block (block_start, uvalue); |
| 6633 | break; |
| 6634 | |
| 6635 | case DW_FORM_block4: |
| 6636 | uvalue = byte_get (data, 4); |
| 6637 | block_start = data + 4; |
| 6638 | data = display_block (block_start, uvalue); |
| 6639 | break; |
| 6640 | |
| 6641 | case DW_FORM_strp: |
| 6642 | case DW_FORM_indirect: |
| 6643 | warn (_("Unable to handle FORM: %d"), form); |
| 6644 | break; |
| 6645 | |
| 6646 | default: |
| 6647 | warn (_("Unrecognised form: %d"), form); |
| 6648 | break; |
| 6649 | } |
| 6650 | |
| 6651 | /* For some attributes we can display futher information. */ |
| 6652 | |
| 6653 | printf ("\t"); |
| 6654 | |
| 6655 | switch (attribute) |
| 6656 | { |
| 6657 | case DW_AT_inline: |
| 6658 | switch (uvalue) |
| 6659 | { |
| 6660 | case DW_INL_not_inlined: printf (_("(not inlined)")); break; |
| 6661 | case DW_INL_inlined: printf (_("(inlined)")); break; |
| 6662 | case DW_INL_declared_not_inlined: printf (_("(declared as inline but ignored)")); break; |
| 6663 | case DW_INL_declared_inlined: printf (_("(declared as inline and inlined)")); break; |
| 6664 | default: printf (_(" (Unknown inline attribute value: %lx)"), uvalue); break; |
| 6665 | } |
| 6666 | break; |
| 6667 | |
| 6668 | case DW_AT_language: |
| 6669 | switch (uvalue) |
| 6670 | { |
| 6671 | case DW_LANG_C: printf ("(non-ANSI C)"); break; |
| 6672 | case DW_LANG_C89: printf ("(ANSI C)"); break; |
| 6673 | case DW_LANG_C_plus_plus: printf ("(C++)"); break; |
| 6674 | case DW_LANG_Fortran77: printf ("(FORTRAN 77)"); break; |
| 6675 | case DW_LANG_Fortran90: printf ("(Fortran 90)"); break; |
| 6676 | case DW_LANG_Modula2: printf ("(Modula 2)"); break; |
| 6677 | case DW_LANG_Pascal83: printf ("(ANSI Pascal)"); break; |
| 6678 | case DW_LANG_Ada83: printf ("(Ada)"); break; |
| 6679 | case DW_LANG_Cobol74: printf ("(Cobol 74)"); break; |
| 6680 | case DW_LANG_Cobol85: printf ("(Cobol 85)"); break; |
| 6681 | case DW_LANG_Mips_Assembler: printf ("(MIPS assembler)"); break; |
| 6682 | default: printf ("(Unknown: %lx)", uvalue); break; |
| 6683 | } |
| 6684 | break; |
| 6685 | |
| 6686 | case DW_AT_encoding: |
| 6687 | switch (uvalue) |
| 6688 | { |
| 6689 | case DW_ATE_void: printf ("(void)"); break; |
| 6690 | case DW_ATE_address: printf ("(machine address)"); break; |
| 6691 | case DW_ATE_boolean: printf ("(boolean)"); break; |
| 6692 | case DW_ATE_complex_float: printf ("(complex float)"); break; |
| 6693 | case DW_ATE_float: printf ("(float)"); break; |
| 6694 | case DW_ATE_signed: printf ("(signed)"); break; |
| 6695 | case DW_ATE_signed_char: printf ("(signed char)"); break; |
| 6696 | case DW_ATE_unsigned: printf ("(unsigned)"); break; |
| 6697 | case DW_ATE_unsigned_char: printf ("(unsigned char)"); break; |
| 6698 | default: |
| 6699 | if (uvalue >= DW_ATE_lo_user |
| 6700 | && uvalue <= DW_ATE_hi_user) |
| 6701 | printf ("(user defined type)"); |
| 6702 | else |
| 6703 | printf ("(unknown type)"); |
| 6704 | break; |
| 6705 | } |
| 6706 | break; |
| 6707 | |
| 6708 | case DW_AT_accessibility: |
| 6709 | switch (uvalue) |
| 6710 | { |
| 6711 | case DW_ACCESS_public: printf ("(public)"); break; |
| 6712 | case DW_ACCESS_protected: printf ("(protected)"); break; |
| 6713 | case DW_ACCESS_private: printf ("(private)"); break; |
| 6714 | default: printf ("(unknown accessibility)"); break; |
| 6715 | } |
| 6716 | break; |
| 6717 | |
| 6718 | case DW_AT_visibility: |
| 6719 | switch (uvalue) |
| 6720 | { |
| 6721 | case DW_VIS_local: printf ("(local)"); break; |
| 6722 | case DW_VIS_exported: printf ("(exported)"); break; |
| 6723 | case DW_VIS_qualified: printf ("(qualified)"); break; |
| 6724 | default: printf ("(unknown visibility)"); break; |
| 6725 | } |
| 6726 | break; |
| 6727 | |
| 6728 | case DW_AT_virtuality: |
| 6729 | switch (uvalue) |
| 6730 | { |
| 6731 | case DW_VIRTUALITY_none: printf ("(none)"); break; |
| 6732 | case DW_VIRTUALITY_virtual: printf ("(virtual)"); break; |
| 6733 | case DW_VIRTUALITY_pure_virtual:printf ("(pure_virtual)"); break; |
| 6734 | default: printf ("(unknown virtuality)"); break; |
| 6735 | } |
| 6736 | break; |
| 6737 | |
| 6738 | case DW_AT_identifier_case: |
| 6739 | switch (uvalue) |
| 6740 | { |
| 6741 | case DW_ID_case_sensitive: printf ("(case_sensitive)"); break; |
| 6742 | case DW_ID_up_case: printf ("(up_case)"); break; |
| 6743 | case DW_ID_down_case: printf ("(down_case)"); break; |
| 6744 | case DW_ID_case_insensitive: printf ("(case_insensitive)"); break; |
| 6745 | default: printf ("(unknown case)"); break; |
| 6746 | } |
| 6747 | break; |
| 6748 | |
| 6749 | case DW_AT_calling_convention: |
| 6750 | switch (uvalue) |
| 6751 | { |
| 6752 | case DW_CC_normal: printf ("(normal)"); break; |
| 6753 | case DW_CC_program: printf ("(program)"); break; |
| 6754 | case DW_CC_nocall: printf ("(nocall)"); break; |
| 6755 | default: |
| 6756 | if (uvalue >= DW_CC_lo_user |
| 6757 | && uvalue <= DW_CC_hi_user) |
| 6758 | printf ("(user defined)"); |
| 6759 | else |
| 6760 | printf ("(unknown convention)"); |
| 6761 | } |
| 6762 | break; |
| 6763 | |
| 6764 | case DW_AT_frame_base: |
| 6765 | case DW_AT_location: |
| 6766 | case DW_AT_data_member_location: |
| 6767 | case DW_AT_vtable_elem_location: |
| 6768 | if (block_start) |
| 6769 | { |
| 6770 | printf ("("); |
| 6771 | decode_location_expression (block_start, pointer_size, uvalue); |
| 6772 | printf (")"); |
| 6773 | } |
| 6774 | break; |
| 6775 | |
| 6776 | default: |
| 6777 | break; |
| 6778 | } |
| 6779 | |
| 6780 | printf ("\n"); |
| 6781 | return data; |
| 6782 | } |
| 6783 | |
| 6784 | static int |
| 6785 | display_debug_info (section, start, file) |
| 6786 | Elf32_Internal_Shdr * section; |
| 6787 | unsigned char * start; |
| 6788 | FILE * file; |
| 6789 | { |
| 6790 | unsigned char * end = start + section->sh_size; |
| 6791 | unsigned char * section_begin = start; |
| 6792 | |
| 6793 | printf (_("The section %s contains:\n\n"), SECTION_NAME (section)); |
| 6794 | |
| 6795 | while (start < end) |
| 6796 | { |
| 6797 | DWARF2_External_CompUnit * external; |
| 6798 | DWARF2_Internal_CompUnit compunit; |
| 6799 | unsigned char * tags; |
| 6800 | int i; |
| 6801 | int level; |
| 6802 | unsigned long cu_offset; |
| 6803 | |
| 6804 | external = (DWARF2_External_CompUnit *) start; |
| 6805 | |
| 6806 | compunit.cu_length = BYTE_GET (external->cu_length); |
| 6807 | compunit.cu_version = BYTE_GET (external->cu_version); |
| 6808 | compunit.cu_abbrev_offset = BYTE_GET (external->cu_abbrev_offset); |
| 6809 | compunit.cu_pointer_size = BYTE_GET (external->cu_pointer_size); |
| 6810 | |
| 6811 | tags = start + sizeof (* external); |
| 6812 | cu_offset = start - section_begin; |
| 6813 | start += compunit.cu_length + sizeof (external->cu_length); |
| 6814 | |
| 6815 | printf (_(" Compilation Unit @ %lx:\n"), cu_offset); |
| 6816 | printf (_(" Length: %ld\n"), compunit.cu_length); |
| 6817 | printf (_(" Version: %d\n"), compunit.cu_version); |
| 6818 | printf (_(" Abbrev Offset: %ld\n"), compunit.cu_abbrev_offset); |
| 6819 | printf (_(" Pointer Size: %d\n"), compunit.cu_pointer_size); |
| 6820 | |
| 6821 | if (compunit.cu_version != 2) |
| 6822 | { |
| 6823 | warn (_("Only version 2 DWARF debug information is currently supported.\n")); |
| 6824 | continue; |
| 6825 | } |
| 6826 | |
| 6827 | if (first_abbrev != NULL) |
| 6828 | free_abbrevs (); |
| 6829 | |
| 6830 | /* Read in the abbrevs used by this compilation unit. */ |
| 6831 | |
| 6832 | { |
| 6833 | Elf32_Internal_Shdr * sec; |
| 6834 | unsigned char * begin; |
| 6835 | |
| 6836 | /* Locate the .debug_abbrev section and process it. */ |
| 6837 | for (i = 0, sec = section_headers; |
| 6838 | i < elf_header.e_shnum; |
| 6839 | i ++, sec ++) |
| 6840 | if (strcmp (SECTION_NAME (sec), ".debug_abbrev") == 0) |
| 6841 | break; |
| 6842 | |
| 6843 | if (i == -1 || sec->sh_size == 0) |
| 6844 | { |
| 6845 | warn (_("Unable to locate .debug_abbrev section!\n")); |
| 6846 | return 0; |
| 6847 | } |
| 6848 | |
| 6849 | GET_DATA_ALLOC (sec->sh_offset, sec->sh_size, begin, unsigned char *, |
| 6850 | "debug_abbrev section data"); |
| 6851 | |
| 6852 | process_abbrev_section (begin + compunit.cu_abbrev_offset, |
| 6853 | begin + sec->sh_size); |
| 6854 | |
| 6855 | free (begin); |
| 6856 | } |
| 6857 | |
| 6858 | level = 0; |
| 6859 | while (tags < start) |
| 6860 | { |
| 6861 | int bytes_read; |
| 6862 | unsigned long abbrev_number; |
| 6863 | abbrev_entry * entry; |
| 6864 | abbrev_attr * attr; |
| 6865 | |
| 6866 | abbrev_number = read_leb128 (tags, & bytes_read, 0); |
| 6867 | tags += bytes_read; |
| 6868 | |
| 6869 | /* A null DIE marks the end of a list of children. */ |
| 6870 | if (abbrev_number == 0) |
| 6871 | { |
| 6872 | --level; |
| 6873 | continue; |
| 6874 | } |
| 6875 | |
| 6876 | /* Scan through the abbreviation list until we reach the |
| 6877 | correct entry. */ |
| 6878 | for (entry = first_abbrev; |
| 6879 | entry && entry->entry != abbrev_number; |
| 6880 | entry = entry->next) |
| 6881 | continue; |
| 6882 | |
| 6883 | if (entry == NULL) |
| 6884 | { |
| 6885 | warn (_("Unable to locate entry %lu in the abbreviation table\n"), |
| 6886 | abbrev_number); |
| 6887 | return 0; |
| 6888 | } |
| 6889 | |
| 6890 | printf (_(" <%d><%x>: Abbrev Number: %lu (%s)\n"), |
| 6891 | level, tags - section_begin - bytes_read, |
| 6892 | abbrev_number, |
| 6893 | get_TAG_name (entry->tag)); |
| 6894 | |
| 6895 | for (attr = entry->first_attr; attr; attr = attr->next) |
| 6896 | tags = read_and_display_attr (attr->attribute, |
| 6897 | attr->form, |
| 6898 | tags, cu_offset, |
| 6899 | compunit.cu_pointer_size); |
| 6900 | |
| 6901 | if (entry->children) |
| 6902 | ++level; |
| 6903 | } |
| 6904 | } |
| 6905 | |
| 6906 | printf ("\n"); |
| 6907 | |
| 6908 | return 1; |
| 6909 | } |
| 6910 | |
| 6911 | static int |
| 6912 | display_debug_aranges (section, start, file) |
| 6913 | Elf32_Internal_Shdr * section; |
| 6914 | unsigned char * start; |
| 6915 | FILE * file ATTRIBUTE_UNUSED; |
| 6916 | { |
| 6917 | unsigned char * end = start + section->sh_size; |
| 6918 | |
| 6919 | printf (_("The section %s contains:\n\n"), SECTION_NAME (section)); |
| 6920 | |
| 6921 | while (start < end) |
| 6922 | { |
| 6923 | DWARF2_External_ARange * external; |
| 6924 | DWARF2_Internal_ARange arange; |
| 6925 | unsigned char * ranges; |
| 6926 | unsigned long length; |
| 6927 | unsigned long address; |
| 6928 | int excess; |
| 6929 | |
| 6930 | external = (DWARF2_External_ARange *) start; |
| 6931 | |
| 6932 | arange.ar_length = BYTE_GET (external->ar_length); |
| 6933 | arange.ar_version = BYTE_GET (external->ar_version); |
| 6934 | arange.ar_info_offset = BYTE_GET (external->ar_info_offset); |
| 6935 | arange.ar_pointer_size = BYTE_GET (external->ar_pointer_size); |
| 6936 | arange.ar_segment_size = BYTE_GET (external->ar_segment_size); |
| 6937 | |
| 6938 | if (arange.ar_version != 2) |
| 6939 | { |
| 6940 | warn (_("Only DWARF 2 aranges are currently supported.\n")); |
| 6941 | break; |
| 6942 | } |
| 6943 | |
| 6944 | printf (_(" Length: %ld\n"), arange.ar_length); |
| 6945 | printf (_(" Version: %d\n"), arange.ar_version); |
| 6946 | printf (_(" Offset into .debug_info: %lx\n"), arange.ar_info_offset); |
| 6947 | printf (_(" Pointer Size: %d\n"), arange.ar_pointer_size); |
| 6948 | printf (_(" Segment Size: %d\n"), arange.ar_segment_size); |
| 6949 | |
| 6950 | printf (_("\n Address Length\n")); |
| 6951 | |
| 6952 | ranges = start + sizeof (* external); |
| 6953 | |
| 6954 | /* Must pad to an alignment boundary that is twice the pointer size. */ |
| 6955 | excess = sizeof (* external) % (2 * arange.ar_pointer_size); |
| 6956 | if (excess) |
| 6957 | ranges += (2 * arange.ar_pointer_size) - excess; |
| 6958 | |
| 6959 | for (;;) |
| 6960 | { |
| 6961 | address = byte_get (ranges, arange.ar_pointer_size); |
| 6962 | |
| 6963 | ranges += arange.ar_pointer_size; |
| 6964 | |
| 6965 | length = byte_get (ranges, arange.ar_pointer_size); |
| 6966 | |
| 6967 | ranges += arange.ar_pointer_size; |
| 6968 | |
| 6969 | /* A pair of zeros marks the end of the list. */ |
| 6970 | if (address == 0 && length == 0) |
| 6971 | break; |
| 6972 | |
| 6973 | printf (" %8.8lx %lu\n", address, length); |
| 6974 | } |
| 6975 | |
| 6976 | start += arange.ar_length + sizeof (external->ar_length); |
| 6977 | } |
| 6978 | |
| 6979 | printf ("\n"); |
| 6980 | |
| 6981 | return 1; |
| 6982 | } |
| 6983 | |
| 6984 | typedef struct Frame_Chunk |
| 6985 | { |
| 6986 | struct Frame_Chunk * next; |
| 6987 | unsigned char * chunk_start; |
| 6988 | int ncols; |
| 6989 | /* DW_CFA_{undefined,same_value,offset,register,unreferenced} */ |
| 6990 | short int * col_type; |
| 6991 | int * col_offset; |
| 6992 | char * augmentation; |
| 6993 | unsigned int code_factor; |
| 6994 | unsigned int data_factor; |
| 6995 | unsigned long pc_begin; |
| 6996 | unsigned long pc_range; |
| 6997 | int cfa_reg; |
| 6998 | int cfa_offset; |
| 6999 | int ra; |
| 7000 | } |
| 7001 | Frame_Chunk; |
| 7002 | |
| 7003 | /* A marker for a col_type that means this column was never referenced |
| 7004 | in the frame info. */ |
| 7005 | #define DW_CFA_unreferenced (-1) |
| 7006 | |
| 7007 | static void |
| 7008 | frame_need_space (fc, reg) |
| 7009 | Frame_Chunk * fc; |
| 7010 | int reg; |
| 7011 | { |
| 7012 | int prev = fc->ncols; |
| 7013 | |
| 7014 | if (reg < fc->ncols) |
| 7015 | return; |
| 7016 | |
| 7017 | fc->ncols = reg + 1; |
| 7018 | fc->col_type = (short int *) xrealloc (fc->col_type, |
| 7019 | fc->ncols * sizeof (short int)); |
| 7020 | fc->col_offset = (int *) xrealloc (fc->col_offset, |
| 7021 | fc->ncols * sizeof (int)); |
| 7022 | |
| 7023 | while (prev < fc->ncols) |
| 7024 | { |
| 7025 | fc->col_type[prev] = DW_CFA_unreferenced; |
| 7026 | fc->col_offset[prev] = 0; |
| 7027 | prev++; |
| 7028 | } |
| 7029 | } |
| 7030 | |
| 7031 | static void |
| 7032 | frame_display_row (fc, need_col_headers, max_regs) |
| 7033 | Frame_Chunk * fc; |
| 7034 | int * need_col_headers; |
| 7035 | int * max_regs; |
| 7036 | { |
| 7037 | int r; |
| 7038 | char tmp[100]; |
| 7039 | |
| 7040 | if (* max_regs < fc->ncols) |
| 7041 | * max_regs = fc->ncols; |
| 7042 | |
| 7043 | if (* need_col_headers) |
| 7044 | { |
| 7045 | * need_col_headers = 0; |
| 7046 | |
| 7047 | printf (" LOC CFA "); |
| 7048 | |
| 7049 | for (r = 0; r < * max_regs; r++) |
| 7050 | if (fc->col_type[r] != DW_CFA_unreferenced) |
| 7051 | { |
| 7052 | if (r == fc->ra) |
| 7053 | printf ("ra "); |
| 7054 | else |
| 7055 | printf ("r%-4d", r); |
| 7056 | } |
| 7057 | |
| 7058 | printf ("\n"); |
| 7059 | } |
| 7060 | |
| 7061 | printf ("%08x ", (unsigned int) fc->pc_begin); |
| 7062 | sprintf (tmp, "r%d%+d", fc->cfa_reg, fc->cfa_offset); |
| 7063 | printf ("%-8s ", tmp); |
| 7064 | |
| 7065 | for (r = 0; r < fc->ncols; r++) |
| 7066 | { |
| 7067 | if (fc->col_type[r] != DW_CFA_unreferenced) |
| 7068 | { |
| 7069 | switch (fc->col_type[r]) |
| 7070 | { |
| 7071 | case DW_CFA_undefined: |
| 7072 | strcpy (tmp, "u"); |
| 7073 | break; |
| 7074 | case DW_CFA_same_value: |
| 7075 | strcpy (tmp, "s"); |
| 7076 | break; |
| 7077 | case DW_CFA_offset: |
| 7078 | sprintf (tmp, "c%+d", fc->col_offset[r]); |
| 7079 | break; |
| 7080 | case DW_CFA_register: |
| 7081 | sprintf (tmp, "r%d", fc->col_offset[r]); |
| 7082 | break; |
| 7083 | default: |
| 7084 | strcpy (tmp, "n/a"); |
| 7085 | break; |
| 7086 | } |
| 7087 | printf ("%-5s", tmp); |
| 7088 | } |
| 7089 | } |
| 7090 | printf ("\n"); |
| 7091 | } |
| 7092 | |
| 7093 | #define GET(N) byte_get (start, N); start += N |
| 7094 | #define LEB() read_leb128 (start, & length_return, 0); start += length_return |
| 7095 | #define SLEB() read_leb128 (start, & length_return, 1); start += length_return |
| 7096 | |
| 7097 | static int |
| 7098 | display_debug_frames (section, start, file) |
| 7099 | Elf32_Internal_Shdr * section; |
| 7100 | unsigned char * start; |
| 7101 | FILE * file ATTRIBUTE_UNUSED; |
| 7102 | { |
| 7103 | unsigned char * end = start + section->sh_size; |
| 7104 | unsigned char * section_start = start; |
| 7105 | Frame_Chunk * chunks = 0; |
| 7106 | Frame_Chunk * remembered_state = 0; |
| 7107 | Frame_Chunk * rs; |
| 7108 | int is_eh = (strcmp (SECTION_NAME (section), ".eh_frame") == 0); |
| 7109 | int length_return; |
| 7110 | int max_regs = 0; |
| 7111 | |
| 7112 | printf (_("The section %s contains:\n"), SECTION_NAME (section)); |
| 7113 | |
| 7114 | while (start < end) |
| 7115 | { |
| 7116 | unsigned char * saved_start; |
| 7117 | unsigned char * block_end; |
| 7118 | unsigned long length; |
| 7119 | unsigned long cie_id; |
| 7120 | Frame_Chunk * fc; |
| 7121 | Frame_Chunk * cie; |
| 7122 | int need_col_headers = 1; |
| 7123 | |
| 7124 | saved_start = start; |
| 7125 | length = byte_get (start, 4); start += 4; |
| 7126 | |
| 7127 | if (length == 0) |
| 7128 | return 1; |
| 7129 | |
| 7130 | block_end = saved_start + length + 4; |
| 7131 | cie_id = byte_get (start, 4); start += 4; |
| 7132 | |
| 7133 | printf ("\n%08x %08lx %08lx ", saved_start - section_start, length, cie_id); |
| 7134 | |
| 7135 | if (is_eh ? (cie_id == 0) : (cie_id == DW_CIE_ID)) |
| 7136 | { |
| 7137 | fc = (Frame_Chunk *) xmalloc (sizeof (Frame_Chunk)); |
| 7138 | memset (fc, 0, sizeof (Frame_Chunk)); |
| 7139 | |
| 7140 | fc->next = chunks; |
| 7141 | chunks = fc; |
| 7142 | fc->chunk_start = saved_start; |
| 7143 | fc->ncols = 0; |
| 7144 | fc->col_type = (short int *) xmalloc (sizeof (short int)); |
| 7145 | fc->col_offset = (int *) xmalloc (sizeof (int)); |
| 7146 | frame_need_space (fc, max_regs-1); |
| 7147 | |
| 7148 | start ++; /* version */ |
| 7149 | fc->augmentation = start; |
| 7150 | |
| 7151 | while (* start) |
| 7152 | start++; |
| 7153 | |
| 7154 | start++; /* skip past NUL */ |
| 7155 | |
| 7156 | if (fc->augmentation[0] == 'z') |
| 7157 | { |
| 7158 | int xtra; |
| 7159 | fc->code_factor = LEB (); |
| 7160 | fc->data_factor = SLEB (); |
| 7161 | fc->ra = byte_get (start, 1); start += 1; |
| 7162 | xtra = LEB (); |
| 7163 | printf ("skipping %d extra bytes\n", xtra); |
| 7164 | start += xtra; |
| 7165 | } |
| 7166 | else if (strcmp (fc->augmentation, "eh") == 0) |
| 7167 | { |
| 7168 | start += 4; |
| 7169 | fc->code_factor = LEB (); |
| 7170 | fc->data_factor = SLEB (); |
| 7171 | fc->ra = byte_get (start, 1); start += 1; |
| 7172 | } |
| 7173 | else |
| 7174 | { |
| 7175 | fc->code_factor = LEB (); |
| 7176 | fc->data_factor = SLEB (); |
| 7177 | fc->ra = byte_get (start, 1); start += 1; |
| 7178 | } |
| 7179 | cie = fc; |
| 7180 | printf ("CIE \"%s\" cf=%d df=%d ra=%d\n", |
| 7181 | fc->augmentation, fc->code_factor, fc->data_factor, fc->ra); |
| 7182 | |
| 7183 | frame_need_space (fc, fc->ra); |
| 7184 | } |
| 7185 | else |
| 7186 | { |
| 7187 | unsigned char * look_for; |
| 7188 | static Frame_Chunk fde_fc; |
| 7189 | |
| 7190 | fc = & fde_fc; |
| 7191 | memset (fc, 0, sizeof (Frame_Chunk)); |
| 7192 | |
| 7193 | look_for = is_eh ? start-4-cie_id : (unsigned char *) cie_id; |
| 7194 | |
| 7195 | fc->pc_begin = byte_get (start, 4); start += 4; |
| 7196 | fc->pc_range = byte_get (start, 4); start += 4; |
| 7197 | |
| 7198 | for (cie=chunks; cie && (cie->chunk_start != look_for); cie = cie->next); |
| 7199 | if (!cie) |
| 7200 | { |
| 7201 | warn ("Invalid CIE pointer %08x in FDE at %08x\n", cie_id, saved_start); |
| 7202 | start = block_end; |
| 7203 | fc->ncols = 0; |
| 7204 | fc->col_type = (short int *) xmalloc (sizeof (short int)); |
| 7205 | fc->col_offset = (int *) xmalloc (sizeof (int)); |
| 7206 | frame_need_space (fc, max_regs - 1); |
| 7207 | cie = fc; |
| 7208 | fc->augmentation = ""; |
| 7209 | } |
| 7210 | else |
| 7211 | { |
| 7212 | fc->ncols = cie->ncols; |
| 7213 | fc->col_type = (short int *) xmalloc (fc->ncols * sizeof (short int)); |
| 7214 | fc->col_offset = (int *) xmalloc (fc->ncols * sizeof (int)); |
| 7215 | memcpy (fc->col_type, cie->col_type, fc->ncols * sizeof (short int)); |
| 7216 | memcpy (fc->col_offset, cie->col_offset, fc->ncols * sizeof (int)); |
| 7217 | fc->augmentation = cie->augmentation; |
| 7218 | fc->code_factor = cie->code_factor; |
| 7219 | fc->data_factor = cie->data_factor; |
| 7220 | fc->cfa_reg = cie->cfa_reg; |
| 7221 | fc->cfa_offset = cie->cfa_offset; |
| 7222 | fc->ra = cie->ra; |
| 7223 | frame_need_space (fc, max_regs-1); |
| 7224 | } |
| 7225 | |
| 7226 | if (cie->augmentation[0] == 'z') |
| 7227 | { |
| 7228 | unsigned long l = LEB (); |
| 7229 | start += l; |
| 7230 | } |
| 7231 | |
| 7232 | printf ("FDE cie=%08x pc=%08lx..%08lx\n", |
| 7233 | cie->chunk_start-section_start, fc->pc_begin, |
| 7234 | fc->pc_begin + fc->pc_range); |
| 7235 | } |
| 7236 | |
| 7237 | /* At this point, fc is the current chunk, cie (if any) is set, and we're |
| 7238 | about to interpret instructions for the chunk. */ |
| 7239 | |
| 7240 | /* This exists for readelf maintainers. */ |
| 7241 | #define FDEBUG 0 |
| 7242 | |
| 7243 | { |
| 7244 | /* Start by making a pass over the chunk, allocating storage |
| 7245 | and taking note of what registers are used. */ |
| 7246 | unsigned char * tmp = start; |
| 7247 | |
| 7248 | while (start < block_end) |
| 7249 | { |
| 7250 | unsigned op, opa; |
| 7251 | unsigned long reg; |
| 7252 | bfd_vma vma; |
| 7253 | |
| 7254 | op = * start ++; |
| 7255 | opa = op & 0x3f; |
| 7256 | if (op & 0xc0) |
| 7257 | op &= 0xc0; |
| 7258 | |
| 7259 | /* Warning: if you add any more cases to this switch, be |
| 7260 | sure to add them to the corresponding switch below. */ |
| 7261 | switch (op) |
| 7262 | { |
| 7263 | case DW_CFA_advance_loc: |
| 7264 | break; |
| 7265 | case DW_CFA_offset: |
| 7266 | LEB (); |
| 7267 | frame_need_space (fc, opa); |
| 7268 | fc->col_type[opa] = DW_CFA_undefined; |
| 7269 | break; |
| 7270 | case DW_CFA_restore: |
| 7271 | frame_need_space (fc, opa); |
| 7272 | fc->col_type[opa] = DW_CFA_undefined; |
| 7273 | break; |
| 7274 | case DW_CFA_set_loc: |
| 7275 | start += sizeof (vma); |
| 7276 | break; |
| 7277 | case DW_CFA_advance_loc1: |
| 7278 | start += 1; |
| 7279 | break; |
| 7280 | case DW_CFA_advance_loc2: |
| 7281 | start += 2; |
| 7282 | break; |
| 7283 | case DW_CFA_advance_loc4: |
| 7284 | start += 4; |
| 7285 | break; |
| 7286 | case DW_CFA_offset_extended: |
| 7287 | reg = LEB (); LEB (); |
| 7288 | frame_need_space (fc, reg); |
| 7289 | fc->col_type[reg] = DW_CFA_undefined; |
| 7290 | break; |
| 7291 | case DW_CFA_restore_extended: |
| 7292 | reg = LEB (); |
| 7293 | frame_need_space (fc, reg); |
| 7294 | fc->col_type[reg] = DW_CFA_undefined; |
| 7295 | break; |
| 7296 | case DW_CFA_undefined: |
| 7297 | reg = LEB (); |
| 7298 | frame_need_space (fc, reg); |
| 7299 | fc->col_type[reg] = DW_CFA_undefined; |
| 7300 | break; |
| 7301 | case DW_CFA_same_value: |
| 7302 | reg = LEB (); |
| 7303 | frame_need_space (fc, reg); |
| 7304 | fc->col_type[reg] = DW_CFA_undefined; |
| 7305 | break; |
| 7306 | case DW_CFA_register: |
| 7307 | reg = LEB (); LEB (); |
| 7308 | frame_need_space (fc, reg); |
| 7309 | fc->col_type[reg] = DW_CFA_undefined; |
| 7310 | break; |
| 7311 | case DW_CFA_def_cfa: |
| 7312 | LEB (); LEB (); |
| 7313 | break; |
| 7314 | case DW_CFA_def_cfa_register: |
| 7315 | LEB (); |
| 7316 | break; |
| 7317 | case DW_CFA_def_cfa_offset: |
| 7318 | LEB (); |
| 7319 | break; |
| 7320 | #ifndef DW_CFA_GNU_args_size |
| 7321 | #define DW_CFA_GNU_args_size 0x2e |
| 7322 | #endif |
| 7323 | case DW_CFA_GNU_args_size: |
| 7324 | LEB (); |
| 7325 | break; |
| 7326 | #ifndef DW_CFA_GNU_negative_offset_extended |
| 7327 | #define DW_CFA_GNU_negative_offset_extended 0x2f |
| 7328 | #endif |
| 7329 | case DW_CFA_GNU_negative_offset_extended: |
| 7330 | reg = LEB (); LEB (); |
| 7331 | frame_need_space (fc, reg); |
| 7332 | fc->col_type[reg] = DW_CFA_undefined; |
| 7333 | |
| 7334 | default: |
| 7335 | break; |
| 7336 | } |
| 7337 | } |
| 7338 | start = tmp; |
| 7339 | } |
| 7340 | |
| 7341 | /* Now we know what registers are used, make a second pass over |
| 7342 | the chunk, this time actually printing out the info. */ |
| 7343 | |
| 7344 | while (start < block_end) |
| 7345 | { |
| 7346 | unsigned op, opa; |
| 7347 | unsigned long ul, reg, roffs; |
| 7348 | long l, ofs; |
| 7349 | bfd_vma vma; |
| 7350 | |
| 7351 | op = * start ++; |
| 7352 | opa = op & 0x3f; |
| 7353 | if (op & 0xc0) |
| 7354 | op &= 0xc0; |
| 7355 | |
| 7356 | /* Warning: if you add any more cases to this switch, be |
| 7357 | sure to add them to the corresponding switch above. */ |
| 7358 | switch (op) |
| 7359 | { |
| 7360 | case DW_CFA_advance_loc: |
| 7361 | frame_display_row (fc, &need_col_headers, &max_regs); |
| 7362 | #if FDEBUG |
| 7363 | printf (" DW_CFA_advance_loc: %08x = %08x + %d*%d\n", |
| 7364 | fc->pc_begin + opa * fc->code_factor, fc->pc_begin, opa, fc->code_factor); |
| 7365 | #endif |
| 7366 | fc->pc_begin += opa * fc->code_factor; |
| 7367 | break; |
| 7368 | |
| 7369 | case DW_CFA_offset: |
| 7370 | roffs = LEB (); |
| 7371 | #if FDEBUG |
| 7372 | printf (" DW_CFA_offset: r%d = cfa[%d*%d]\n", opa, roffs, fc->data_factor); |
| 7373 | #endif |
| 7374 | fc->col_type[opa] = DW_CFA_offset; |
| 7375 | fc->col_offset[opa] = roffs * fc->data_factor; |
| 7376 | break; |
| 7377 | |
| 7378 | case DW_CFA_restore: |
| 7379 | #if FDEBUG |
| 7380 | printf (" DW_CFA_restore: r%d\n", opa); |
| 7381 | #endif |
| 7382 | fc->col_type[opa] = cie->col_type[opa]; |
| 7383 | fc->col_offset[opa] = cie->col_offset[opa]; |
| 7384 | break; |
| 7385 | |
| 7386 | case DW_CFA_set_loc: |
| 7387 | frame_display_row (fc, &need_col_headers, &max_regs); |
| 7388 | vma = byte_get (start, sizeof (vma)); start += sizeof (vma); |
| 7389 | #if FDEBUG |
| 7390 | printf (" DW_CFA_set_loc: %08x\n", vma); |
| 7391 | #endif |
| 7392 | fc->pc_begin = vma; |
| 7393 | break; |
| 7394 | |
| 7395 | case DW_CFA_advance_loc1: |
| 7396 | frame_display_row (fc, &need_col_headers, &max_regs); |
| 7397 | ofs = byte_get (start, 1); start += 1; |
| 7398 | #if FDEBUG |
| 7399 | printf (" DW_CFA_advance_loc1: %08x = %08x + %d*%d\n", |
| 7400 | fc->pc_begin + ofs * fc->code_factor, fc->pc_begin, ofs, fc->code_factor); |
| 7401 | #endif |
| 7402 | fc->pc_begin += ofs * fc->code_factor; |
| 7403 | break; |
| 7404 | |
| 7405 | case DW_CFA_advance_loc2: |
| 7406 | frame_display_row (fc, &need_col_headers, &max_regs); |
| 7407 | ofs = byte_get (start, 2); start += 2; |
| 7408 | #if FDEBUG |
| 7409 | printf (" DW_CFA_advance_loc2: %08x = %08x + %d*%d\n", |
| 7410 | fc->pc_begin + ofs * fc->code_factor, fc->pc_begin, ofs, fc->code_factor); |
| 7411 | #endif |
| 7412 | fc->pc_begin += ofs * fc->code_factor; |
| 7413 | break; |
| 7414 | |
| 7415 | case DW_CFA_advance_loc4: |
| 7416 | frame_display_row (fc, &need_col_headers, &max_regs); |
| 7417 | ofs = byte_get (start, 4); start += 4; |
| 7418 | #if FDEBUG |
| 7419 | printf (" DW_CFA_advance_loc4: %08x = %08x + %d*%d\n", |
| 7420 | fc->pc_begin + ofs * fc->code_factor, fc->pc_begin, ofs, fc->code_factor); |
| 7421 | #endif |
| 7422 | fc->pc_begin += ofs * fc->code_factor; |
| 7423 | break; |
| 7424 | |
| 7425 | case DW_CFA_offset_extended: |
| 7426 | reg = LEB (); |
| 7427 | roffs = LEB (); |
| 7428 | #if FDEBUG |
| 7429 | printf (" DW_CFA_offset_extended: r%d = cfa[%d*%d]\n", reg, roffs, fc->data_factor); |
| 7430 | #endif |
| 7431 | fc->col_type[reg] = DW_CFA_offset; |
| 7432 | fc->col_offset[reg] = roffs * fc->data_factor; |
| 7433 | break; |
| 7434 | |
| 7435 | case DW_CFA_restore_extended: |
| 7436 | reg = LEB (); |
| 7437 | #if FDEBUG |
| 7438 | printf (" DW_CFA_restore_extended: r%d\n", reg); |
| 7439 | #endif |
| 7440 | fc->col_type[reg] = cie->col_type[reg]; |
| 7441 | fc->col_offset[reg] = cie->col_offset[reg]; |
| 7442 | break; |
| 7443 | |
| 7444 | case DW_CFA_undefined: |
| 7445 | reg = LEB (); |
| 7446 | #if FDEBUG |
| 7447 | printf (" DW_CFA_undefined: r%d\n", reg); |
| 7448 | #endif |
| 7449 | fc->col_type[reg] = DW_CFA_undefined; |
| 7450 | fc->col_offset[reg] = 0; |
| 7451 | break; |
| 7452 | |
| 7453 | case DW_CFA_same_value: |
| 7454 | reg = LEB (); |
| 7455 | #if FDEBUG |
| 7456 | printf (" DW_CFA_same_value: r%d\n", reg); |
| 7457 | #endif |
| 7458 | fc->col_type[reg] = DW_CFA_same_value; |
| 7459 | fc->col_offset[reg] = 0; |
| 7460 | break; |
| 7461 | |
| 7462 | case DW_CFA_register: |
| 7463 | reg = LEB (); |
| 7464 | roffs = LEB (); |
| 7465 | #if FDEBUG |
| 7466 | printf (" DW_CFA_register: r%d\n", reg); |
| 7467 | #endif |
| 7468 | fc->col_type[reg] = DW_CFA_register; |
| 7469 | fc->col_offset[reg] = roffs; |
| 7470 | break; |
| 7471 | |
| 7472 | case DW_CFA_remember_state: |
| 7473 | #if FDEBUG |
| 7474 | printf (" DW_CFA_remember_state\n"); |
| 7475 | #endif |
| 7476 | rs = (Frame_Chunk *) xmalloc (sizeof (Frame_Chunk)); |
| 7477 | rs->ncols = fc->ncols; |
| 7478 | rs->col_type = (short int *) xmalloc (rs->ncols * sizeof (short int)); |
| 7479 | rs->col_offset = (int *) xmalloc (rs->ncols * sizeof (int)); |
| 7480 | memcpy (rs->col_type, fc->col_type, rs->ncols); |
| 7481 | memcpy (rs->col_offset, fc->col_offset, rs->ncols * sizeof (int)); |
| 7482 | rs->next = remembered_state; |
| 7483 | remembered_state = rs; |
| 7484 | break; |
| 7485 | |
| 7486 | case DW_CFA_restore_state: |
| 7487 | #if FDEBUG |
| 7488 | printf (" DW_CFA_restore_state\n"); |
| 7489 | #endif |
| 7490 | rs = remembered_state; |
| 7491 | remembered_state = rs->next; |
| 7492 | frame_need_space (fc, rs->ncols-1); |
| 7493 | memcpy (fc->col_type, rs->col_type, rs->ncols); |
| 7494 | memcpy (fc->col_offset, rs->col_offset, rs->ncols * sizeof (int)); |
| 7495 | free (rs->col_type); |
| 7496 | free (rs->col_offset); |
| 7497 | free (rs); |
| 7498 | break; |
| 7499 | |
| 7500 | case DW_CFA_def_cfa: |
| 7501 | fc->cfa_reg = LEB (); |
| 7502 | fc->cfa_offset = LEB (); |
| 7503 | #if FDEBUG |
| 7504 | printf (" DW_CFA_def_cfa: reg %d ofs %d\n", fc->cfa_reg, fc->cfa_offset); |
| 7505 | #endif |
| 7506 | break; |
| 7507 | |
| 7508 | case DW_CFA_def_cfa_register: |
| 7509 | fc->cfa_reg = LEB (); |
| 7510 | #if FDEBUG |
| 7511 | printf (" DW_CFA_def_cfa_reg: %d\n", fc->cfa_reg); |
| 7512 | #endif |
| 7513 | break; |
| 7514 | |
| 7515 | case DW_CFA_def_cfa_offset: |
| 7516 | fc->cfa_offset = LEB (); |
| 7517 | #if FDEBUG |
| 7518 | printf (" DW_CFA_def_cfa_offset: %d\n", fc->cfa_offset); |
| 7519 | #endif |
| 7520 | break; |
| 7521 | |
| 7522 | case DW_CFA_nop: |
| 7523 | #if FDEBUG |
| 7524 | printf (" DW_CFA_nop\n"); |
| 7525 | #endif |
| 7526 | break; |
| 7527 | |
| 7528 | #ifndef DW_CFA_GNU_window_save |
| 7529 | #define DW_CFA_GNU_window_save 0x2d |
| 7530 | #endif |
| 7531 | case DW_CFA_GNU_window_save: |
| 7532 | #if FDEBUG |
| 7533 | printf (" DW_CFA_GNU_window_save\n"); |
| 7534 | #endif |
| 7535 | break; |
| 7536 | |
| 7537 | #ifndef DW_CFA_GNU_args_size |
| 7538 | #define DW_CFA_GNU_args_size 0x2e |
| 7539 | #endif |
| 7540 | case DW_CFA_GNU_args_size: |
| 7541 | ul = LEB (); |
| 7542 | #if FDEBUG |
| 7543 | printf (" DW_CFA_GNU_args_size: %d\n", ul); |
| 7544 | #endif |
| 7545 | break; |
| 7546 | |
| 7547 | #ifndef DW_CFA_GNU_negative_offset_extended |
| 7548 | #define DW_CFA_GNU_negative_offset_extended 0x2f |
| 7549 | #endif |
| 7550 | case DW_CFA_GNU_negative_offset_extended: |
| 7551 | reg = LEB (); |
| 7552 | l = - LEB (); |
| 7553 | frame_need_space (fc, reg); |
| 7554 | #if FDEBUG |
| 7555 | printf (" DW_CFA_GNU_negative_offset_extended: r%d = cfa[%d*%d]\n", reg, l, fc->data_factor); |
| 7556 | #endif |
| 7557 | fc->col_type[reg] = DW_CFA_offset; |
| 7558 | fc->col_offset[reg] = l * fc->data_factor; |
| 7559 | break; |
| 7560 | |
| 7561 | default: |
| 7562 | fprintf (stderr, "unsupported or unknown DW_CFA_%d\n", op); |
| 7563 | start = block_end; |
| 7564 | } |
| 7565 | } |
| 7566 | |
| 7567 | frame_display_row (fc, &need_col_headers, &max_regs); |
| 7568 | |
| 7569 | start = block_end; |
| 7570 | } |
| 7571 | |
| 7572 | printf ("\n"); |
| 7573 | |
| 7574 | return 1; |
| 7575 | } |
| 7576 | |
| 7577 | #undef GET |
| 7578 | #undef LEB |
| 7579 | #undef SLEB |
| 7580 | |
| 7581 | static int |
| 7582 | display_debug_not_supported (section, start, file) |
| 7583 | Elf32_Internal_Shdr * section; |
| 7584 | unsigned char * start ATTRIBUTE_UNUSED; |
| 7585 | FILE * file ATTRIBUTE_UNUSED; |
| 7586 | { |
| 7587 | printf (_("Displaying the debug contents of section %s is not yet supported.\n"), |
| 7588 | SECTION_NAME (section)); |
| 7589 | |
| 7590 | return 1; |
| 7591 | } |
| 7592 | |
| 7593 | /* Pre-scan the .debug_info section to record the size of address. |
| 7594 | When dumping the .debug_line, we use that size information, assuming |
| 7595 | that all compilation units have the same address size. */ |
| 7596 | static int |
| 7597 | prescan_debug_info (section, start, file) |
| 7598 | Elf32_Internal_Shdr * section ATTRIBUTE_UNUSED; |
| 7599 | unsigned char * start; |
| 7600 | FILE * file ATTRIBUTE_UNUSED; |
| 7601 | { |
| 7602 | DWARF2_External_CompUnit * external; |
| 7603 | |
| 7604 | external = (DWARF2_External_CompUnit *) start; |
| 7605 | |
| 7606 | debug_line_pointer_size = BYTE_GET (external->cu_pointer_size); |
| 7607 | return 0; |
| 7608 | } |
| 7609 | |
| 7610 | /* A structure containing the name of a debug section and a pointer |
| 7611 | to a function that can decode it. The third field is a prescan |
| 7612 | function to be run over the section before displaying any of the |
| 7613 | sections. */ |
| 7614 | struct |
| 7615 | { |
| 7616 | char * name; |
| 7617 | int (* display) PARAMS ((Elf32_Internal_Shdr *, unsigned char *, FILE *)); |
| 7618 | int (* prescan) PARAMS ((Elf32_Internal_Shdr *, unsigned char *, FILE *)); |
| 7619 | } |
| 7620 | debug_displays[] = |
| 7621 | { |
| 7622 | { ".debug_info", display_debug_info, prescan_debug_info }, |
| 7623 | { ".debug_abbrev", display_debug_abbrev, NULL }, |
| 7624 | { ".debug_line", display_debug_lines, NULL }, |
| 7625 | { ".debug_aranges", display_debug_aranges, NULL }, |
| 7626 | { ".debug_pubnames", display_debug_pubnames, NULL }, |
| 7627 | { ".debug_frame", display_debug_frames, NULL }, |
| 7628 | { ".eh_frame", display_debug_frames, NULL }, |
| 7629 | { ".debug_macinfo", display_debug_not_supported, NULL }, |
| 7630 | { ".debug_frame", display_debug_not_supported, NULL }, |
| 7631 | { ".debug_str", display_debug_not_supported, NULL }, |
| 7632 | { ".debug_static_func", display_debug_not_supported, NULL }, |
| 7633 | { ".debug_static_vars", display_debug_not_supported, NULL }, |
| 7634 | { ".debug_types", display_debug_not_supported, NULL }, |
| 7635 | { ".debug_weaknames", display_debug_not_supported, NULL } |
| 7636 | }; |
| 7637 | |
| 7638 | static int |
| 7639 | display_debug_section (section, file) |
| 7640 | Elf32_Internal_Shdr * section; |
| 7641 | FILE * file; |
| 7642 | { |
| 7643 | char * name = SECTION_NAME (section); |
| 7644 | bfd_size_type length; |
| 7645 | unsigned char * start; |
| 7646 | int i; |
| 7647 | |
| 7648 | length = section->sh_size; |
| 7649 | if (length == 0) |
| 7650 | { |
| 7651 | printf (_("\nSection '%s' has no debugging data.\n"), name); |
| 7652 | return 0; |
| 7653 | } |
| 7654 | |
| 7655 | GET_DATA_ALLOC (section->sh_offset, length, start, unsigned char *, |
| 7656 | "debug section data"); |
| 7657 | |
| 7658 | /* See if we know how to display the contents of this section. */ |
| 7659 | if (strncmp (name, ".gnu.linkonce.wi.", 17) == 0) |
| 7660 | name = ".debug_info"; |
| 7661 | |
| 7662 | for (i = NUM_ELEM (debug_displays); i--;) |
| 7663 | if (strcmp (debug_displays[i].name, name) == 0) |
| 7664 | { |
| 7665 | debug_displays[i].display (section, start, file); |
| 7666 | break; |
| 7667 | } |
| 7668 | |
| 7669 | if (i == -1) |
| 7670 | printf (_("Unrecognised debug section: %s\n"), name); |
| 7671 | |
| 7672 | free (start); |
| 7673 | |
| 7674 | /* If we loaded in the abbrev section at some point, |
| 7675 | we must release it here. */ |
| 7676 | if (first_abbrev != NULL) |
| 7677 | free_abbrevs (); |
| 7678 | |
| 7679 | return 1; |
| 7680 | } |
| 7681 | |
| 7682 | static int |
| 7683 | process_section_contents (file) |
| 7684 | FILE * file; |
| 7685 | { |
| 7686 | Elf32_Internal_Shdr * section; |
| 7687 | unsigned int i; |
| 7688 | |
| 7689 | if (! do_dump) |
| 7690 | return 1; |
| 7691 | |
| 7692 | /* Pre-scan the debug sections to find some debug information not |
| 7693 | present in some of them. For the .debug_line, we must find out the |
| 7694 | size of address (specified in .debug_info and .debug_aranges). */ |
| 7695 | for (i = 0, section = section_headers; |
| 7696 | i < elf_header.e_shnum && i < num_dump_sects; |
| 7697 | i ++, section ++) |
| 7698 | { |
| 7699 | char * name = SECTION_NAME (section); |
| 7700 | int j; |
| 7701 | |
| 7702 | if (section->sh_size == 0) |
| 7703 | continue; |
| 7704 | |
| 7705 | /* See if there is some pre-scan operation for this section. */ |
| 7706 | for (j = NUM_ELEM (debug_displays); j--;) |
| 7707 | if (strcmp (debug_displays[j].name, name) == 0) |
| 7708 | { |
| 7709 | if (debug_displays[j].prescan != NULL) |
| 7710 | { |
| 7711 | bfd_size_type length; |
| 7712 | unsigned char * start; |
| 7713 | |
| 7714 | length = section->sh_size; |
| 7715 | GET_DATA_ALLOC (section->sh_offset, length, start, unsigned char *, |
| 7716 | "debug section data"); |
| 7717 | |
| 7718 | debug_displays[j].prescan (section, start, file); |
| 7719 | free (start); |
| 7720 | } |
| 7721 | |
| 7722 | break; |
| 7723 | } |
| 7724 | } |
| 7725 | |
| 7726 | for (i = 0, section = section_headers; |
| 7727 | i < elf_header.e_shnum && i < num_dump_sects; |
| 7728 | i ++, section ++) |
| 7729 | { |
| 7730 | #ifdef SUPPORT_DISASSEMBLY |
| 7731 | if (dump_sects[i] & DISASS_DUMP) |
| 7732 | disassemble_section (section, file); |
| 7733 | #endif |
| 7734 | if (dump_sects[i] & HEX_DUMP) |
| 7735 | dump_section (section, file); |
| 7736 | |
| 7737 | if (dump_sects[i] & DEBUG_DUMP) |
| 7738 | display_debug_section (section, file); |
| 7739 | } |
| 7740 | |
| 7741 | if (i < num_dump_sects) |
| 7742 | warn (_("Some sections were not dumped because they do not exist!\n")); |
| 7743 | |
| 7744 | return 1; |
| 7745 | } |
| 7746 | |
| 7747 | static void |
| 7748 | process_mips_fpe_exception (mask) |
| 7749 | int mask; |
| 7750 | { |
| 7751 | if (mask) |
| 7752 | { |
| 7753 | int first = 1; |
| 7754 | if (mask & OEX_FPU_INEX) |
| 7755 | fputs ("INEX", stdout), first = 0; |
| 7756 | if (mask & OEX_FPU_UFLO) |
| 7757 | printf ("%sUFLO", first ? "" : "|"), first = 0; |
| 7758 | if (mask & OEX_FPU_OFLO) |
| 7759 | printf ("%sOFLO", first ? "" : "|"), first = 0; |
| 7760 | if (mask & OEX_FPU_DIV0) |
| 7761 | printf ("%sDIV0", first ? "" : "|"), first = 0; |
| 7762 | if (mask & OEX_FPU_INVAL) |
| 7763 | printf ("%sINVAL", first ? "" : "|"); |
| 7764 | } |
| 7765 | else |
| 7766 | fputs ("0", stdout); |
| 7767 | } |
| 7768 | |
| 7769 | static int |
| 7770 | process_mips_specific (file) |
| 7771 | FILE * file; |
| 7772 | { |
| 7773 | Elf_Internal_Dyn * entry; |
| 7774 | size_t liblist_offset = 0; |
| 7775 | size_t liblistno = 0; |
| 7776 | size_t conflictsno = 0; |
| 7777 | size_t options_offset = 0; |
| 7778 | size_t conflicts_offset = 0; |
| 7779 | |
| 7780 | /* We have a lot of special sections. Thanks SGI! */ |
| 7781 | if (dynamic_segment == NULL) |
| 7782 | /* No information available. */ |
| 7783 | return 0; |
| 7784 | |
| 7785 | for (entry = dynamic_segment; entry->d_tag != DT_NULL; ++entry) |
| 7786 | switch (entry->d_tag) |
| 7787 | { |
| 7788 | case DT_MIPS_LIBLIST: |
| 7789 | liblist_offset = entry->d_un.d_val - loadaddr; |
| 7790 | break; |
| 7791 | case DT_MIPS_LIBLISTNO: |
| 7792 | liblistno = entry->d_un.d_val; |
| 7793 | break; |
| 7794 | case DT_MIPS_OPTIONS: |
| 7795 | options_offset = entry->d_un.d_val - loadaddr; |
| 7796 | break; |
| 7797 | case DT_MIPS_CONFLICT: |
| 7798 | conflicts_offset = entry->d_un.d_val - loadaddr; |
| 7799 | break; |
| 7800 | case DT_MIPS_CONFLICTNO: |
| 7801 | conflictsno = entry->d_un.d_val; |
| 7802 | break; |
| 7803 | default: |
| 7804 | break; |
| 7805 | } |
| 7806 | |
| 7807 | if (liblist_offset != 0 && liblistno != 0 && do_dynamic) |
| 7808 | { |
| 7809 | Elf32_External_Lib * elib; |
| 7810 | size_t cnt; |
| 7811 | |
| 7812 | GET_DATA_ALLOC (liblist_offset, liblistno * sizeof (Elf32_External_Lib), |
| 7813 | elib, Elf32_External_Lib *, "liblist"); |
| 7814 | |
| 7815 | printf ("\nSection '.liblist' contains %lu entries:\n", |
| 7816 | (unsigned long) liblistno); |
| 7817 | fputs (" Library Time Stamp Checksum Version Flags\n", |
| 7818 | stdout); |
| 7819 | |
| 7820 | for (cnt = 0; cnt < liblistno; ++cnt) |
| 7821 | { |
| 7822 | Elf32_Lib liblist; |
| 7823 | time_t time; |
| 7824 | char timebuf[20]; |
| 7825 | struct tm * tmp; |
| 7826 | |
| 7827 | liblist.l_name = BYTE_GET (elib[cnt].l_name); |
| 7828 | time = BYTE_GET (elib[cnt].l_time_stamp); |
| 7829 | liblist.l_checksum = BYTE_GET (elib[cnt].l_checksum); |
| 7830 | liblist.l_version = BYTE_GET (elib[cnt].l_version); |
| 7831 | liblist.l_flags = BYTE_GET (elib[cnt].l_flags); |
| 7832 | |
| 7833 | tmp = gmtime (&time); |
| 7834 | sprintf (timebuf, "%04u-%02u-%02uT%02u:%02u:%02u", |
| 7835 | tmp->tm_year + 1900, tmp->tm_mon + 1, tmp->tm_mday, |
| 7836 | tmp->tm_hour, tmp->tm_min, tmp->tm_sec); |
| 7837 | |
| 7838 | printf ("%3lu: %-20s %s %#10lx %-7ld", (unsigned long) cnt, |
| 7839 | dynamic_strings + liblist.l_name, timebuf, |
| 7840 | liblist.l_checksum, liblist.l_version); |
| 7841 | |
| 7842 | if (liblist.l_flags == 0) |
| 7843 | puts (" NONE"); |
| 7844 | else |
| 7845 | { |
| 7846 | static const struct |
| 7847 | { |
| 7848 | const char * name; |
| 7849 | int bit; |
| 7850 | } |
| 7851 | l_flags_vals[] = |
| 7852 | { |
| 7853 | { " EXACT_MATCH", LL_EXACT_MATCH }, |
| 7854 | { " IGNORE_INT_VER", LL_IGNORE_INT_VER }, |
| 7855 | { " REQUIRE_MINOR", LL_REQUIRE_MINOR }, |
| 7856 | { " EXPORTS", LL_EXPORTS }, |
| 7857 | { " DELAY_LOAD", LL_DELAY_LOAD }, |
| 7858 | { " DELTA", LL_DELTA } |
| 7859 | }; |
| 7860 | int flags = liblist.l_flags; |
| 7861 | size_t fcnt; |
| 7862 | |
| 7863 | for (fcnt = 0; |
| 7864 | fcnt < sizeof (l_flags_vals) / sizeof (l_flags_vals[0]); |
| 7865 | ++fcnt) |
| 7866 | if ((flags & l_flags_vals[fcnt].bit) != 0) |
| 7867 | { |
| 7868 | fputs (l_flags_vals[fcnt].name, stdout); |
| 7869 | flags ^= l_flags_vals[fcnt].bit; |
| 7870 | } |
| 7871 | if (flags != 0) |
| 7872 | printf (" %#x", (unsigned int) flags); |
| 7873 | |
| 7874 | puts (""); |
| 7875 | } |
| 7876 | } |
| 7877 | |
| 7878 | free (elib); |
| 7879 | } |
| 7880 | |
| 7881 | if (options_offset != 0) |
| 7882 | { |
| 7883 | Elf_External_Options * eopt; |
| 7884 | Elf_Internal_Shdr * sect = section_headers; |
| 7885 | Elf_Internal_Options * iopt; |
| 7886 | Elf_Internal_Options * option; |
| 7887 | size_t offset; |
| 7888 | int cnt; |
| 7889 | |
| 7890 | /* Find the section header so that we get the size. */ |
| 7891 | while (sect->sh_type != SHT_MIPS_OPTIONS) |
| 7892 | ++ sect; |
| 7893 | |
| 7894 | GET_DATA_ALLOC (options_offset, sect->sh_size, eopt, |
| 7895 | Elf_External_Options *, "options"); |
| 7896 | |
| 7897 | iopt = (Elf_Internal_Options *) malloc ((sect->sh_size / sizeof (eopt)) |
| 7898 | * sizeof (* iopt)); |
| 7899 | if (iopt == NULL) |
| 7900 | { |
| 7901 | error (_("Out of memory")); |
| 7902 | return 0; |
| 7903 | } |
| 7904 | |
| 7905 | offset = cnt = 0; |
| 7906 | option = iopt; |
| 7907 | |
| 7908 | while (offset < sect->sh_size) |
| 7909 | { |
| 7910 | Elf_External_Options * eoption; |
| 7911 | |
| 7912 | eoption = (Elf_External_Options *) ((char *) eopt + offset); |
| 7913 | |
| 7914 | option->kind = BYTE_GET (eoption->kind); |
| 7915 | option->size = BYTE_GET (eoption->size); |
| 7916 | option->section = BYTE_GET (eoption->section); |
| 7917 | option->info = BYTE_GET (eoption->info); |
| 7918 | |
| 7919 | offset += option->size; |
| 7920 | |
| 7921 | ++option; |
| 7922 | ++cnt; |
| 7923 | } |
| 7924 | |
| 7925 | printf (_("\nSection '%s' contains %d entries:\n"), |
| 7926 | SECTION_NAME (sect), cnt); |
| 7927 | |
| 7928 | option = iopt; |
| 7929 | |
| 7930 | while (cnt-- > 0) |
| 7931 | { |
| 7932 | size_t len; |
| 7933 | |
| 7934 | switch (option->kind) |
| 7935 | { |
| 7936 | case ODK_NULL: |
| 7937 | /* This shouldn't happen. */ |
| 7938 | printf (" NULL %d %lx", option->section, option->info); |
| 7939 | break; |
| 7940 | case ODK_REGINFO: |
| 7941 | printf (" REGINFO "); |
| 7942 | if (elf_header.e_machine == EM_MIPS) |
| 7943 | { |
| 7944 | /* 32bit form. */ |
| 7945 | Elf32_External_RegInfo * ereg; |
| 7946 | Elf32_RegInfo reginfo; |
| 7947 | |
| 7948 | ereg = (Elf32_External_RegInfo *) (option + 1); |
| 7949 | reginfo.ri_gprmask = BYTE_GET (ereg->ri_gprmask); |
| 7950 | reginfo.ri_cprmask[0] = BYTE_GET (ereg->ri_cprmask[0]); |
| 7951 | reginfo.ri_cprmask[1] = BYTE_GET (ereg->ri_cprmask[1]); |
| 7952 | reginfo.ri_cprmask[2] = BYTE_GET (ereg->ri_cprmask[2]); |
| 7953 | reginfo.ri_cprmask[3] = BYTE_GET (ereg->ri_cprmask[3]); |
| 7954 | reginfo.ri_gp_value = BYTE_GET (ereg->ri_gp_value); |
| 7955 | |
| 7956 | printf ("GPR %08lx GP 0x%lx\n", |
| 7957 | reginfo.ri_gprmask, |
| 7958 | (unsigned long) reginfo.ri_gp_value); |
| 7959 | printf (" CPR0 %08lx CPR1 %08lx CPR2 %08lx CPR3 %08lx\n", |
| 7960 | reginfo.ri_cprmask[0], reginfo.ri_cprmask[1], |
| 7961 | reginfo.ri_cprmask[2], reginfo.ri_cprmask[3]); |
| 7962 | } |
| 7963 | else |
| 7964 | { |
| 7965 | /* 64 bit form. */ |
| 7966 | Elf64_External_RegInfo * ereg; |
| 7967 | Elf64_Internal_RegInfo reginfo; |
| 7968 | |
| 7969 | ereg = (Elf64_External_RegInfo *) (option + 1); |
| 7970 | reginfo.ri_gprmask = BYTE_GET (ereg->ri_gprmask); |
| 7971 | reginfo.ri_cprmask[0] = BYTE_GET (ereg->ri_cprmask[0]); |
| 7972 | reginfo.ri_cprmask[1] = BYTE_GET (ereg->ri_cprmask[1]); |
| 7973 | reginfo.ri_cprmask[2] = BYTE_GET (ereg->ri_cprmask[2]); |
| 7974 | reginfo.ri_cprmask[3] = BYTE_GET (ereg->ri_cprmask[3]); |
| 7975 | reginfo.ri_gp_value = BYTE_GET8 (ereg->ri_gp_value); |
| 7976 | |
| 7977 | printf ("GPR %08lx GP 0x", |
| 7978 | reginfo.ri_gprmask); |
| 7979 | printf_vma (reginfo.ri_gp_value); |
| 7980 | printf ("\n"); |
| 7981 | |
| 7982 | printf (" CPR0 %08lx CPR1 %08lx CPR2 %08lx CPR3 %08lx\n", |
| 7983 | reginfo.ri_cprmask[0], reginfo.ri_cprmask[1], |
| 7984 | reginfo.ri_cprmask[2], reginfo.ri_cprmask[3]); |
| 7985 | } |
| 7986 | ++option; |
| 7987 | continue; |
| 7988 | case ODK_EXCEPTIONS: |
| 7989 | fputs (" EXCEPTIONS fpe_min(", stdout); |
| 7990 | process_mips_fpe_exception (option->info & OEX_FPU_MIN); |
| 7991 | fputs (") fpe_max(", stdout); |
| 7992 | process_mips_fpe_exception ((option->info & OEX_FPU_MAX) >> 8); |
| 7993 | fputs (")", stdout); |
| 7994 | |
| 7995 | if (option->info & OEX_PAGE0) |
| 7996 | fputs (" PAGE0", stdout); |
| 7997 | if (option->info & OEX_SMM) |
| 7998 | fputs (" SMM", stdout); |
| 7999 | if (option->info & OEX_FPDBUG) |
| 8000 | fputs (" FPDBUG", stdout); |
| 8001 | if (option->info & OEX_DISMISS) |
| 8002 | fputs (" DISMISS", stdout); |
| 8003 | break; |
| 8004 | case ODK_PAD: |
| 8005 | fputs (" PAD ", stdout); |
| 8006 | if (option->info & OPAD_PREFIX) |
| 8007 | fputs (" PREFIX", stdout); |
| 8008 | if (option->info & OPAD_POSTFIX) |
| 8009 | fputs (" POSTFIX", stdout); |
| 8010 | if (option->info & OPAD_SYMBOL) |
| 8011 | fputs (" SYMBOL", stdout); |
| 8012 | break; |
| 8013 | case ODK_HWPATCH: |
| 8014 | fputs (" HWPATCH ", stdout); |
| 8015 | if (option->info & OHW_R4KEOP) |
| 8016 | fputs (" R4KEOP", stdout); |
| 8017 | if (option->info & OHW_R8KPFETCH) |
| 8018 | fputs (" R8KPFETCH", stdout); |
| 8019 | if (option->info & OHW_R5KEOP) |
| 8020 | fputs (" R5KEOP", stdout); |
| 8021 | if (option->info & OHW_R5KCVTL) |
| 8022 | fputs (" R5KCVTL", stdout); |
| 8023 | break; |
| 8024 | case ODK_FILL: |
| 8025 | fputs (" FILL ", stdout); |
| 8026 | /* XXX Print content of info word? */ |
| 8027 | break; |
| 8028 | case ODK_TAGS: |
| 8029 | fputs (" TAGS ", stdout); |
| 8030 | /* XXX Print content of info word? */ |
| 8031 | break; |
| 8032 | case ODK_HWAND: |
| 8033 | fputs (" HWAND ", stdout); |
| 8034 | if (option->info & OHWA0_R4KEOP_CHECKED) |
| 8035 | fputs (" R4KEOP_CHECKED", stdout); |
| 8036 | if (option->info & OHWA0_R4KEOP_CLEAN) |
| 8037 | fputs (" R4KEOP_CLEAN", stdout); |
| 8038 | break; |
| 8039 | case ODK_HWOR: |
| 8040 | fputs (" HWOR ", stdout); |
| 8041 | if (option->info & OHWA0_R4KEOP_CHECKED) |
| 8042 | fputs (" R4KEOP_CHECKED", stdout); |
| 8043 | if (option->info & OHWA0_R4KEOP_CLEAN) |
| 8044 | fputs (" R4KEOP_CLEAN", stdout); |
| 8045 | break; |
| 8046 | case ODK_GP_GROUP: |
| 8047 | printf (" GP_GROUP %#06lx self-contained %#06lx", |
| 8048 | option->info & OGP_GROUP, |
| 8049 | (option->info & OGP_SELF) >> 16); |
| 8050 | break; |
| 8051 | case ODK_IDENT: |
| 8052 | printf (" IDENT %#06lx self-contained %#06lx", |
| 8053 | option->info & OGP_GROUP, |
| 8054 | (option->info & OGP_SELF) >> 16); |
| 8055 | break; |
| 8056 | default: |
| 8057 | /* This shouldn't happen. */ |
| 8058 | printf (" %3d ??? %d %lx", |
| 8059 | option->kind, option->section, option->info); |
| 8060 | break; |
| 8061 | } |
| 8062 | |
| 8063 | len = sizeof (* eopt); |
| 8064 | while (len < option->size) |
| 8065 | if (((char *) option)[len] >= ' ' |
| 8066 | && ((char *) option)[len] < 0x7f) |
| 8067 | printf ("%c", ((char *) option)[len++]); |
| 8068 | else |
| 8069 | printf ("\\%03o", ((char *) option)[len++]); |
| 8070 | |
| 8071 | fputs ("\n", stdout); |
| 8072 | ++option; |
| 8073 | } |
| 8074 | |
| 8075 | free (eopt); |
| 8076 | } |
| 8077 | |
| 8078 | if (conflicts_offset != 0 && conflictsno != 0) |
| 8079 | { |
| 8080 | Elf32_External_Conflict * econf32; |
| 8081 | Elf64_External_Conflict * econf64; |
| 8082 | Elf32_Conflict * iconf; |
| 8083 | size_t cnt; |
| 8084 | |
| 8085 | if (dynamic_symbols == NULL) |
| 8086 | { |
| 8087 | error (_("conflict list with without table")); |
| 8088 | return 0; |
| 8089 | } |
| 8090 | |
| 8091 | iconf = (Elf32_Conflict *) malloc (conflictsno * sizeof (* iconf)); |
| 8092 | if (iconf == NULL) |
| 8093 | { |
| 8094 | error (_("Out of memory")); |
| 8095 | return 0; |
| 8096 | } |
| 8097 | |
| 8098 | if (is_32bit_elf) |
| 8099 | { |
| 8100 | GET_DATA_ALLOC (conflicts_offset, conflictsno * sizeof (* econf32), |
| 8101 | econf32, Elf32_External_Conflict *, "conflict"); |
| 8102 | |
| 8103 | for (cnt = 0; cnt < conflictsno; ++cnt) |
| 8104 | iconf[cnt] = BYTE_GET (econf32[cnt]); |
| 8105 | } |
| 8106 | else |
| 8107 | { |
| 8108 | GET_DATA_ALLOC (conflicts_offset, conflictsno * sizeof (* econf64), |
| 8109 | econf64, Elf64_External_Conflict *, "conflict"); |
| 8110 | |
| 8111 | for (cnt = 0; cnt < conflictsno; ++cnt) |
| 8112 | iconf[cnt] = BYTE_GET (econf64[cnt]); |
| 8113 | } |
| 8114 | |
| 8115 | printf (_("\nSection '.conflict' contains %d entries:\n"), conflictsno); |
| 8116 | puts (_(" Num: Index Value Name")); |
| 8117 | |
| 8118 | for (cnt = 0; cnt < conflictsno; ++cnt) |
| 8119 | { |
| 8120 | Elf_Internal_Sym * psym = &dynamic_symbols[iconf[cnt]]; |
| 8121 | |
| 8122 | printf ("%5lu: %8lu ", (unsigned long) cnt, iconf[cnt]); |
| 8123 | print_vma (psym->st_value, FULL_HEX); |
| 8124 | printf (" %s\n", dynamic_strings + psym->st_name); |
| 8125 | } |
| 8126 | |
| 8127 | free (iconf); |
| 8128 | } |
| 8129 | |
| 8130 | return 1; |
| 8131 | } |
| 8132 | |
| 8133 | static char * |
| 8134 | get_note_type (e_type) |
| 8135 | unsigned e_type; |
| 8136 | { |
| 8137 | static char buff[64]; |
| 8138 | |
| 8139 | switch (e_type) |
| 8140 | { |
| 8141 | case NT_PRSTATUS: return _("NT_PRSTATUS (prstatus structure)"); |
| 8142 | case NT_FPREGSET: return _("NT_FPREGSET (floating point registers)"); |
| 8143 | case NT_PRPSINFO: return _("NT_PRPSINFO (prpsinfo structure)"); |
| 8144 | case NT_TASKSTRUCT: return _("NT_TASKSTRUCT (task structure)"); |
| 8145 | case NT_PRXFPREG: return _("NT_PRXFPREG (user_xfpregs structure)"); |
| 8146 | case NT_PSTATUS: return _("NT_PSTATUS (pstatus structure)"); |
| 8147 | case NT_FPREGS: return _("NT_FPREGS (floating point registers)"); |
| 8148 | case NT_PSINFO: return _("NT_PSINFO (psinfo structure)"); |
| 8149 | case NT_LWPSTATUS: return _("NT_LWPSTATUS (lwpstatus_t structure)"); |
| 8150 | case NT_LWPSINFO: return _("NT_LWPSINFO (lwpsinfo_t structure)"); |
| 8151 | case NT_WIN32PSTATUS: return _("NT_WIN32PSTATUS (win32_pstatus strcuture)"); |
| 8152 | default: |
| 8153 | sprintf (buff, _("Unknown note type: (0x%08x)"), e_type); |
| 8154 | return buff; |
| 8155 | } |
| 8156 | } |
| 8157 | |
| 8158 | /* Note that by the ELF standard, the name field is already null byte |
| 8159 | terminated, and namesz includes the terminating null byte. |
| 8160 | I.E. the value of namesz for the name "FSF" is 4. |
| 8161 | |
| 8162 | If the value of namesz is zero, there is no name present. */ |
| 8163 | static int |
| 8164 | process_note (pnote) |
| 8165 | Elf32_Internal_Note * pnote; |
| 8166 | { |
| 8167 | printf (" %s\t\t0x%08lx\t%s\n", |
| 8168 | pnote->namesz ? pnote->namedata : "(NONE)", |
| 8169 | pnote->descsz, get_note_type (pnote->type)); |
| 8170 | return 1; |
| 8171 | } |
| 8172 | |
| 8173 | |
| 8174 | static int |
| 8175 | process_corefile_note_segment (file, offset, length) |
| 8176 | FILE * file; |
| 8177 | bfd_vma offset; |
| 8178 | bfd_vma length; |
| 8179 | { |
| 8180 | Elf_External_Note * pnotes; |
| 8181 | Elf_External_Note * external; |
| 8182 | int res = 1; |
| 8183 | |
| 8184 | if (length <= 0) |
| 8185 | return 0; |
| 8186 | |
| 8187 | GET_DATA_ALLOC (offset, length, pnotes, Elf_External_Note *, "notes"); |
| 8188 | |
| 8189 | external = pnotes; |
| 8190 | |
| 8191 | printf (_("\nNotes at offset 0x%08lx with length 0x%08lx:\n"), |
| 8192 | (unsigned long) offset, (unsigned long) length); |
| 8193 | printf (_(" Owner\t\tData size\tDescription\n")); |
| 8194 | |
| 8195 | while (external < (Elf_External_Note *)((char *) pnotes + length)) |
| 8196 | { |
| 8197 | Elf32_Internal_Note inote; |
| 8198 | char * temp = NULL; |
| 8199 | |
| 8200 | inote.type = BYTE_GET (external->type); |
| 8201 | inote.namesz = BYTE_GET (external->namesz); |
| 8202 | inote.namedata = external->name; |
| 8203 | inote.descsz = BYTE_GET (external->descsz); |
| 8204 | inote.descdata = inote.namedata + align_power (inote.namesz, 2); |
| 8205 | inote.descpos = offset + (inote.descdata - (char *) pnotes); |
| 8206 | |
| 8207 | external = (Elf_External_Note *)(inote.descdata + align_power (inote.descsz, 2)); |
| 8208 | |
| 8209 | /* Verify that name is null terminated. It appears that at least |
| 8210 | one version of Linux (RedHat 6.0) generates corefiles that don't |
| 8211 | comply with the ELF spec by failing to include the null byte in |
| 8212 | namesz. */ |
| 8213 | if (inote.namedata[inote.namesz] != '\0') |
| 8214 | { |
| 8215 | temp = malloc (inote.namesz + 1); |
| 8216 | |
| 8217 | if (temp == NULL) |
| 8218 | { |
| 8219 | error (_("Out of memory\n")); |
| 8220 | res = 0; |
| 8221 | break; |
| 8222 | } |
| 8223 | |
| 8224 | strncpy (temp, inote.namedata, inote.namesz); |
| 8225 | temp[inote.namesz] = 0; |
| 8226 | |
| 8227 | /* warn (_("'%s' NOTE name not properly null terminated\n"), temp); */ |
| 8228 | inote.namedata = temp; |
| 8229 | } |
| 8230 | |
| 8231 | res &= process_note (& inote); |
| 8232 | |
| 8233 | if (temp != NULL) |
| 8234 | { |
| 8235 | free (temp); |
| 8236 | temp = NULL; |
| 8237 | } |
| 8238 | } |
| 8239 | |
| 8240 | free (pnotes); |
| 8241 | |
| 8242 | return res; |
| 8243 | } |
| 8244 | |
| 8245 | static int |
| 8246 | process_corefile_note_segments (file) |
| 8247 | FILE * file; |
| 8248 | { |
| 8249 | Elf_Internal_Phdr * program_headers; |
| 8250 | Elf_Internal_Phdr * segment; |
| 8251 | unsigned int i; |
| 8252 | int res = 1; |
| 8253 | |
| 8254 | program_headers = (Elf_Internal_Phdr *) malloc |
| 8255 | (elf_header.e_phnum * sizeof (Elf_Internal_Phdr)); |
| 8256 | |
| 8257 | if (program_headers == NULL) |
| 8258 | { |
| 8259 | error (_("Out of memory\n")); |
| 8260 | return 0; |
| 8261 | } |
| 8262 | |
| 8263 | if (is_32bit_elf) |
| 8264 | i = get_32bit_program_headers (file, program_headers); |
| 8265 | else |
| 8266 | i = get_64bit_program_headers (file, program_headers); |
| 8267 | |
| 8268 | if (i == 0) |
| 8269 | { |
| 8270 | free (program_headers); |
| 8271 | return 0; |
| 8272 | } |
| 8273 | |
| 8274 | for (i = 0, segment = program_headers; |
| 8275 | i < elf_header.e_phnum; |
| 8276 | i ++, segment ++) |
| 8277 | { |
| 8278 | if (segment->p_type == PT_NOTE) |
| 8279 | res &= process_corefile_note_segment (file, |
| 8280 | (bfd_vma) segment->p_offset, |
| 8281 | (bfd_vma) segment->p_filesz); |
| 8282 | } |
| 8283 | |
| 8284 | free (program_headers); |
| 8285 | |
| 8286 | return res; |
| 8287 | } |
| 8288 | |
| 8289 | static int |
| 8290 | process_corefile_contents (file) |
| 8291 | FILE * file; |
| 8292 | { |
| 8293 | /* If we have not been asked to display the notes then do nothing. */ |
| 8294 | if (! do_notes) |
| 8295 | return 1; |
| 8296 | |
| 8297 | /* If file is not a core file then exit. */ |
| 8298 | if (elf_header.e_type != ET_CORE) |
| 8299 | return 1; |
| 8300 | |
| 8301 | /* No program headers means no NOTE segment. */ |
| 8302 | if (elf_header.e_phnum == 0) |
| 8303 | { |
| 8304 | printf (_("No note segments present in the core file.\n")); |
| 8305 | return 1; |
| 8306 | } |
| 8307 | |
| 8308 | return process_corefile_note_segments (file); |
| 8309 | } |
| 8310 | |
| 8311 | static int |
| 8312 | process_arch_specific (file) |
| 8313 | FILE * file; |
| 8314 | { |
| 8315 | if (! do_arch) |
| 8316 | return 1; |
| 8317 | |
| 8318 | switch (elf_header.e_machine) |
| 8319 | { |
| 8320 | case EM_MIPS: |
| 8321 | case EM_MIPS_RS4_BE: |
| 8322 | return process_mips_specific (file); |
| 8323 | break; |
| 8324 | default: |
| 8325 | break; |
| 8326 | } |
| 8327 | return 1; |
| 8328 | } |
| 8329 | |
| 8330 | static int |
| 8331 | get_file_header (file) |
| 8332 | FILE * file; |
| 8333 | { |
| 8334 | /* Read in the identity array. */ |
| 8335 | if (fread (elf_header.e_ident, EI_NIDENT, 1, file) != 1) |
| 8336 | return 0; |
| 8337 | |
| 8338 | /* Determine how to read the rest of the header. */ |
| 8339 | switch (elf_header.e_ident [EI_DATA]) |
| 8340 | { |
| 8341 | default: /* fall through */ |
| 8342 | case ELFDATANONE: /* fall through */ |
| 8343 | case ELFDATA2LSB: byte_get = byte_get_little_endian; break; |
| 8344 | case ELFDATA2MSB: byte_get = byte_get_big_endian; break; |
| 8345 | } |
| 8346 | |
| 8347 | /* For now we only support 32 bit and 64 bit ELF files. */ |
| 8348 | is_32bit_elf = (elf_header.e_ident [EI_CLASS] != ELFCLASS64); |
| 8349 | |
| 8350 | /* Read in the rest of the header. */ |
| 8351 | if (is_32bit_elf) |
| 8352 | { |
| 8353 | Elf32_External_Ehdr ehdr32; |
| 8354 | |
| 8355 | if (fread (ehdr32.e_type, sizeof (ehdr32) - EI_NIDENT, 1, file) != 1) |
| 8356 | return 0; |
| 8357 | |
| 8358 | elf_header.e_type = BYTE_GET (ehdr32.e_type); |
| 8359 | elf_header.e_machine = BYTE_GET (ehdr32.e_machine); |
| 8360 | elf_header.e_version = BYTE_GET (ehdr32.e_version); |
| 8361 | elf_header.e_entry = BYTE_GET (ehdr32.e_entry); |
| 8362 | elf_header.e_phoff = BYTE_GET (ehdr32.e_phoff); |
| 8363 | elf_header.e_shoff = BYTE_GET (ehdr32.e_shoff); |
| 8364 | elf_header.e_flags = BYTE_GET (ehdr32.e_flags); |
| 8365 | elf_header.e_ehsize = BYTE_GET (ehdr32.e_ehsize); |
| 8366 | elf_header.e_phentsize = BYTE_GET (ehdr32.e_phentsize); |
| 8367 | elf_header.e_phnum = BYTE_GET (ehdr32.e_phnum); |
| 8368 | elf_header.e_shentsize = BYTE_GET (ehdr32.e_shentsize); |
| 8369 | elf_header.e_shnum = BYTE_GET (ehdr32.e_shnum); |
| 8370 | elf_header.e_shstrndx = BYTE_GET (ehdr32.e_shstrndx); |
| 8371 | } |
| 8372 | else |
| 8373 | { |
| 8374 | Elf64_External_Ehdr ehdr64; |
| 8375 | |
| 8376 | /* If we have been compiled with sizeof (bfd_vma) == 4, then |
| 8377 | we will not be able to cope with the 64bit data found in |
| 8378 | 64 ELF files. Detect this now and abort before we start |
| 8379 | overwritting things. */ |
| 8380 | if (sizeof (bfd_vma) < 8) |
| 8381 | { |
| 8382 | error (_("This instance of readelf has been built without support for a\n")); |
| 8383 | error (_("64 bit data type and so it cannot read 64 bit ELF files.\n")); |
| 8384 | return 0; |
| 8385 | } |
| 8386 | |
| 8387 | if (fread (ehdr64.e_type, sizeof (ehdr64) - EI_NIDENT, 1, file) != 1) |
| 8388 | return 0; |
| 8389 | |
| 8390 | elf_header.e_type = BYTE_GET (ehdr64.e_type); |
| 8391 | elf_header.e_machine = BYTE_GET (ehdr64.e_machine); |
| 8392 | elf_header.e_version = BYTE_GET (ehdr64.e_version); |
| 8393 | elf_header.e_entry = BYTE_GET8 (ehdr64.e_entry); |
| 8394 | elf_header.e_phoff = BYTE_GET8 (ehdr64.e_phoff); |
| 8395 | elf_header.e_shoff = BYTE_GET8 (ehdr64.e_shoff); |
| 8396 | elf_header.e_flags = BYTE_GET (ehdr64.e_flags); |
| 8397 | elf_header.e_ehsize = BYTE_GET (ehdr64.e_ehsize); |
| 8398 | elf_header.e_phentsize = BYTE_GET (ehdr64.e_phentsize); |
| 8399 | elf_header.e_phnum = BYTE_GET (ehdr64.e_phnum); |
| 8400 | elf_header.e_shentsize = BYTE_GET (ehdr64.e_shentsize); |
| 8401 | elf_header.e_shnum = BYTE_GET (ehdr64.e_shnum); |
| 8402 | elf_header.e_shstrndx = BYTE_GET (ehdr64.e_shstrndx); |
| 8403 | } |
| 8404 | |
| 8405 | return 1; |
| 8406 | } |
| 8407 | |
| 8408 | static void |
| 8409 | process_file (file_name) |
| 8410 | char * file_name; |
| 8411 | { |
| 8412 | FILE * file; |
| 8413 | struct stat statbuf; |
| 8414 | unsigned int i; |
| 8415 | |
| 8416 | if (stat (file_name, & statbuf) < 0) |
| 8417 | { |
| 8418 | error (_("Cannot stat input file %s.\n"), file_name); |
| 8419 | return; |
| 8420 | } |
| 8421 | |
| 8422 | file = fopen (file_name, "rb"); |
| 8423 | if (file == NULL) |
| 8424 | { |
| 8425 | error (_("Input file %s not found.\n"), file_name); |
| 8426 | return; |
| 8427 | } |
| 8428 | |
| 8429 | if (! get_file_header (file)) |
| 8430 | { |
| 8431 | error (_("%s: Failed to read file header\n"), file_name); |
| 8432 | fclose (file); |
| 8433 | return; |
| 8434 | } |
| 8435 | |
| 8436 | /* Initialise per file variables. */ |
| 8437 | for (i = NUM_ELEM (version_info); i--;) |
| 8438 | version_info[i] = 0; |
| 8439 | |
| 8440 | for (i = NUM_ELEM (dynamic_info); i--;) |
| 8441 | dynamic_info[i] = 0; |
| 8442 | |
| 8443 | /* Process the file. */ |
| 8444 | if (show_name) |
| 8445 | printf (_("\nFile: %s\n"), file_name); |
| 8446 | |
| 8447 | if (! process_file_header ()) |
| 8448 | { |
| 8449 | fclose (file); |
| 8450 | return; |
| 8451 | } |
| 8452 | |
| 8453 | process_section_headers (file); |
| 8454 | |
| 8455 | process_program_headers (file); |
| 8456 | |
| 8457 | process_dynamic_segment (file); |
| 8458 | |
| 8459 | process_relocs (file); |
| 8460 | |
| 8461 | process_unwind (file); |
| 8462 | |
| 8463 | process_symbol_table (file); |
| 8464 | |
| 8465 | process_syminfo (file); |
| 8466 | |
| 8467 | process_version_sections (file); |
| 8468 | |
| 8469 | process_section_contents (file); |
| 8470 | |
| 8471 | process_corefile_contents (file); |
| 8472 | |
| 8473 | process_arch_specific (file); |
| 8474 | |
| 8475 | fclose (file); |
| 8476 | |
| 8477 | if (section_headers) |
| 8478 | { |
| 8479 | free (section_headers); |
| 8480 | section_headers = NULL; |
| 8481 | } |
| 8482 | |
| 8483 | if (string_table) |
| 8484 | { |
| 8485 | free (string_table); |
| 8486 | string_table = NULL; |
| 8487 | string_table_length = 0; |
| 8488 | } |
| 8489 | |
| 8490 | if (dynamic_strings) |
| 8491 | { |
| 8492 | free (dynamic_strings); |
| 8493 | dynamic_strings = NULL; |
| 8494 | } |
| 8495 | |
| 8496 | if (dynamic_symbols) |
| 8497 | { |
| 8498 | free (dynamic_symbols); |
| 8499 | dynamic_symbols = NULL; |
| 8500 | num_dynamic_syms = 0; |
| 8501 | } |
| 8502 | |
| 8503 | if (dynamic_syminfo) |
| 8504 | { |
| 8505 | free (dynamic_syminfo); |
| 8506 | dynamic_syminfo = NULL; |
| 8507 | } |
| 8508 | } |
| 8509 | |
| 8510 | #ifdef SUPPORT_DISASSEMBLY |
| 8511 | /* Needed by the i386 disassembler. For extra credit, someone could |
| 8512 | fix this so that we insert symbolic addresses here, esp for GOT/PLT |
| 8513 | symbols */ |
| 8514 | |
| 8515 | void |
| 8516 | print_address (unsigned int addr, FILE * outfile) |
| 8517 | { |
| 8518 | fprintf (outfile,"0x%8.8x", addr); |
| 8519 | } |
| 8520 | |
| 8521 | /* Needed by the i386 disassembler. */ |
| 8522 | void |
| 8523 | db_task_printsym (unsigned int addr) |
| 8524 | { |
| 8525 | print_address (addr, stderr); |
| 8526 | } |
| 8527 | #endif |
| 8528 | |
| 8529 | int |
| 8530 | main (argc, argv) |
| 8531 | int argc; |
| 8532 | char ** argv; |
| 8533 | { |
| 8534 | #if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES) |
| 8535 | setlocale (LC_MESSAGES, ""); |
| 8536 | #endif |
| 8537 | bindtextdomain (PACKAGE, LOCALEDIR); |
| 8538 | textdomain (PACKAGE); |
| 8539 | |
| 8540 | parse_args (argc, argv); |
| 8541 | |
| 8542 | if (optind < (argc - 1)) |
| 8543 | show_name = 1; |
| 8544 | |
| 8545 | while (optind < argc) |
| 8546 | process_file (argv [optind ++]); |
| 8547 | |
| 8548 | if (dump_sects != NULL) |
| 8549 | free (dump_sects); |
| 8550 | |
| 8551 | return 0; |
| 8552 | } |