Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 1 | /* Print information from ELF file in human-readable form. |
Ulrich Drepper | 44173ed | 2009-01-01 19:00:41 -0800 | [diff] [blame] | 2 | Copyright (C) 1999-2008, 2009 Red Hat, Inc. |
Ulrich Drepper | 361df7d | 2006-04-04 21:38:57 +0000 | [diff] [blame] | 3 | This file is part of Red Hat elfutils. |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 4 | Written by Ulrich Drepper <drepper@redhat.com>, 1999. |
| 5 | |
Ulrich Drepper | 361df7d | 2006-04-04 21:38:57 +0000 | [diff] [blame] | 6 | Red Hat elfutils is free software; you can redistribute it and/or modify |
| 7 | it under the terms of the GNU General Public License as published by the |
| 8 | Free Software Foundation; version 2 of the License. |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 9 | |
Ulrich Drepper | 361df7d | 2006-04-04 21:38:57 +0000 | [diff] [blame] | 10 | Red Hat elfutils is distributed in the hope that it will be useful, but |
| 11 | WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU General Public License along |
| 16 | with Red Hat elfutils; if not, write to the Free Software Foundation, |
Ulrich Drepper | 1e9ef50 | 2006-04-04 22:29:06 +0000 | [diff] [blame] | 17 | Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA. |
Ulrich Drepper | 361df7d | 2006-04-04 21:38:57 +0000 | [diff] [blame] | 18 | |
| 19 | Red Hat elfutils is an included package of the Open Invention Network. |
| 20 | An included package of the Open Invention Network is a package for which |
| 21 | Open Invention Network licensees cross-license their patents. No patent |
| 22 | license is granted, either expressly or impliedly, by designation as an |
| 23 | included package. Should you wish to participate in the Open Invention |
| 24 | Network licensing program, please visit www.openinventionnetwork.com |
| 25 | <http://www.openinventionnetwork.com>. */ |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 26 | |
| 27 | #ifdef HAVE_CONFIG_H |
| 28 | # include <config.h> |
| 29 | #endif |
| 30 | |
| 31 | #include <argp.h> |
| 32 | #include <assert.h> |
Ulrich Drepper | c98bcc7 | 2007-08-04 17:06:14 +0000 | [diff] [blame] | 33 | #include <ctype.h> |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 34 | #include <dwarf.h> |
| 35 | #include <errno.h> |
| 36 | #include <error.h> |
| 37 | #include <fcntl.h> |
| 38 | #include <gelf.h> |
| 39 | #include <inttypes.h> |
| 40 | #include <langinfo.h> |
| 41 | #include <libdw.h> |
Ulrich Drepper | b597dfa | 2007-10-16 05:21:27 +0000 | [diff] [blame] | 42 | #include <libdwfl.h> |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 43 | #include <libintl.h> |
| 44 | #include <locale.h> |
Roland McGrath | cb6d865 | 2007-08-23 08:10:54 +0000 | [diff] [blame] | 45 | #include <stdarg.h> |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 46 | #include <stdbool.h> |
| 47 | #include <stdlib.h> |
| 48 | #include <string.h> |
| 49 | #include <time.h> |
| 50 | #include <unistd.h> |
| 51 | #include <sys/param.h> |
| 52 | |
| 53 | #include <system.h> |
Roland McGrath | 59ea7f3 | 2007-10-04 08:50:09 +0000 | [diff] [blame] | 54 | #include "../libelf/libelfP.h" |
Roland McGrath | 059c83e | 2008-02-21 06:19:39 +0000 | [diff] [blame] | 55 | #include "../libelf/common.h" |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 56 | #include "../libebl/libeblP.h" |
| 57 | #include "../libdw/libdwP.h" |
Roland McGrath | e4c22ea | 2007-10-23 13:07:39 +0000 | [diff] [blame] | 58 | #include "../libdwfl/libdwflP.h" |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 59 | #include "../libdw/memory-access.h" |
| 60 | |
| 61 | |
| 62 | /* Name and version of program. */ |
| 63 | static void print_version (FILE *stream, struct argp_state *state); |
Ulrich Drepper | fdc93e1 | 2009-01-17 11:47:10 -0800 | [diff] [blame] | 64 | ARGP_PROGRAM_VERSION_HOOK_DEF = print_version; |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 65 | |
| 66 | /* Bug report address. */ |
Ulrich Drepper | fdc93e1 | 2009-01-17 11:47:10 -0800 | [diff] [blame] | 67 | ARGP_PROGRAM_BUG_ADDRESS_DEF = PACKAGE_BUGREPORT; |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 68 | |
| 69 | /* Definitions of arguments for argp functions. */ |
| 70 | static const struct argp_option options[] = |
| 71 | { |
| 72 | { NULL, 0, NULL, 0, N_("Output selection:"), 0 }, |
Ulrich Drepper | b006fbf | 2009-01-16 03:08:25 -0800 | [diff] [blame] | 73 | { "all", 'a', NULL, 0, N_("Equivalent to: -e -h -l"), 0 }, |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 74 | { "dynamic", 'd', NULL, 0, N_("Display the dynamic segment"), 0 }, |
| 75 | { "file-header", 'h', NULL, 0, N_("Display the ELF file header"), 0 }, |
| 76 | { "histogram", 'I', NULL, 0, |
| 77 | N_("Display histogram of bucket list lengths"), 0 }, |
| 78 | { "program-headers", 'l', NULL, 0, N_("Display the program headers"), 0 }, |
Roland McGrath | 60fc84c | 2007-08-03 21:59:15 +0000 | [diff] [blame] | 79 | { "segments", 'l', NULL, OPTION_ALIAS | OPTION_HIDDEN, NULL, 0 }, |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 80 | { "relocs", 'r', NULL, 0, N_("Display relocations"), 0 }, |
| 81 | { "section-headers", 'S', NULL, 0, N_("Display the sections' header"), 0 }, |
Roland McGrath | 60fc84c | 2007-08-03 21:59:15 +0000 | [diff] [blame] | 82 | { "sections", 'S', NULL, OPTION_ALIAS | OPTION_HIDDEN, NULL, 0 }, |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 83 | { "symbols", 's', NULL, 0, N_("Display the symbol table"), 0 }, |
| 84 | { "version-info", 'V', NULL, 0, N_("Display versioning information"), 0 }, |
| 85 | { "debug-dump", 'w', "SECTION", OPTION_ARG_OPTIONAL, |
| 86 | N_("Display DWARF section content. SECTION can be one of abbrev, " |
Ulrich Drepper | b006fbf | 2009-01-16 03:08:25 -0800 | [diff] [blame] | 87 | "aranges, frame, info, loc, line, ranges, pubnames, str, macinfo, " |
| 88 | "or exception"), 0 }, |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 89 | { "notes", 'n', NULL, 0, N_("Display the core notes"), 0 }, |
| 90 | { "arch-specific", 'A', NULL, 0, |
| 91 | N_("Display architecture specific information (if any)"), 0 }, |
Roland McGrath | 60fc84c | 2007-08-03 21:59:15 +0000 | [diff] [blame] | 92 | { "hex-dump", 'x', "SECTION", 0, |
| 93 | N_("Dump the uninterpreted contents of SECTION, by number or name"), 0 }, |
Roland McGrath | c76f0b0 | 2007-09-27 07:31:33 +0000 | [diff] [blame] | 94 | { "strings", 'p', "SECTION", OPTION_ARG_OPTIONAL, |
| 95 | N_("Print string contents of sections"), 0 }, |
| 96 | { "string-dump", 'p', NULL, OPTION_ALIAS | OPTION_HIDDEN, NULL, 0 }, |
Roland McGrath | 59ea7f3 | 2007-10-04 08:50:09 +0000 | [diff] [blame] | 97 | { "archive-index", 'c', NULL, 0, |
| 98 | N_("Display the symbol index of an archive"), 0 }, |
Ulrich Drepper | b006fbf | 2009-01-16 03:08:25 -0800 | [diff] [blame] | 99 | { "exception", 'e', NULL, 0, N_("Display sections for exception handling"), |
| 100 | 0 }, |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 101 | |
| 102 | { NULL, 0, NULL, 0, N_("Output control:"), 0 }, |
| 103 | |
| 104 | { NULL, 0, NULL, 0, NULL, 0 } |
| 105 | }; |
| 106 | |
| 107 | /* Short description of program. */ |
| 108 | static const char doc[] = N_("\ |
| 109 | Print information from ELF file in human-readable form."); |
| 110 | |
| 111 | /* Strings for arguments in help texts. */ |
| 112 | static const char args_doc[] = N_("FILE..."); |
| 113 | |
| 114 | /* Prototype for option handler. */ |
| 115 | static error_t parse_opt (int key, char *arg, struct argp_state *state); |
| 116 | |
| 117 | /* Data structure to communicate with argp functions. */ |
| 118 | static struct argp argp = |
| 119 | { |
| 120 | options, parse_opt, args_doc, doc, NULL, NULL, NULL |
| 121 | }; |
| 122 | |
| 123 | |
| 124 | /* Flags set by the option controlling the output. */ |
| 125 | |
| 126 | /* True if dynamic segment should be printed. */ |
| 127 | static bool print_dynamic_table; |
| 128 | |
| 129 | /* True if the file header should be printed. */ |
| 130 | static bool print_file_header; |
| 131 | |
| 132 | /* True if the program headers should be printed. */ |
| 133 | static bool print_program_header; |
| 134 | |
| 135 | /* True if relocations should be printed. */ |
| 136 | static bool print_relocations; |
| 137 | |
| 138 | /* True if the section headers should be printed. */ |
| 139 | static bool print_section_header; |
| 140 | |
| 141 | /* True if the symbol table should be printed. */ |
| 142 | static bool print_symbol_table; |
| 143 | |
| 144 | /* True if the version information should be printed. */ |
| 145 | static bool print_version_info; |
| 146 | |
| 147 | /* True if section groups should be printed. */ |
| 148 | static bool print_section_groups; |
| 149 | |
| 150 | /* True if bucket list length histogram should be printed. */ |
| 151 | static bool print_histogram; |
| 152 | |
| 153 | /* True if the architecture specific data should be printed. */ |
| 154 | static bool print_arch; |
| 155 | |
| 156 | /* True if note section content should be printed. */ |
| 157 | static bool print_notes; |
| 158 | |
Roland McGrath | 60fc84c | 2007-08-03 21:59:15 +0000 | [diff] [blame] | 159 | /* True if SHF_STRINGS section content should be printed. */ |
| 160 | static bool print_string_sections; |
| 161 | |
Roland McGrath | 59ea7f3 | 2007-10-04 08:50:09 +0000 | [diff] [blame] | 162 | /* True if archive index should be printed. */ |
| 163 | static bool print_archive_index; |
| 164 | |
| 165 | /* True if any of the control options except print_archive_index is set. */ |
| 166 | static bool any_control_option; |
| 167 | |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 168 | /* Select printing of debugging sections. */ |
| 169 | static enum section_e |
| 170 | { |
Ulrich Drepper | b006fbf | 2009-01-16 03:08:25 -0800 | [diff] [blame] | 171 | section_abbrev = 1, /* .debug_abbrev */ |
| 172 | section_aranges = 2, /* .debug_aranges */ |
| 173 | section_frame = 4, /* .debug_frame or .eh_frame & al. */ |
| 174 | section_info = 8, /* .debug_info */ |
| 175 | section_line = 16, /* .debug_line */ |
| 176 | section_loc = 32, /* .debug_loc */ |
| 177 | section_pubnames = 64, /* .debug_pubnames */ |
| 178 | section_str = 128, /* .debug_str */ |
| 179 | section_macinfo = 256, /* .debug_macinfo */ |
| 180 | section_ranges = 512, /* .debug_ranges */ |
| 181 | section_exception = 1024, /* .eh_frame & al. */ |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 182 | section_all = (section_abbrev | section_aranges | section_frame |
| 183 | | section_info | section_line | section_loc |
| 184 | | section_pubnames | section_str | section_macinfo |
Ulrich Drepper | b006fbf | 2009-01-16 03:08:25 -0800 | [diff] [blame] | 185 | | section_ranges | section_exception) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 186 | } print_debug_sections; |
| 187 | |
Roland McGrath | 60fc84c | 2007-08-03 21:59:15 +0000 | [diff] [blame] | 188 | /* Select hex dumping of sections. */ |
| 189 | static struct section_argument *dump_data_sections; |
| 190 | static struct section_argument **dump_data_sections_tail = &dump_data_sections; |
| 191 | |
Roland McGrath | c76f0b0 | 2007-09-27 07:31:33 +0000 | [diff] [blame] | 192 | /* Select string dumping of sections. */ |
| 193 | static struct section_argument *string_sections; |
| 194 | static struct section_argument **string_sections_tail = &string_sections; |
| 195 | |
Roland McGrath | 60fc84c | 2007-08-03 21:59:15 +0000 | [diff] [blame] | 196 | struct section_argument |
| 197 | { |
| 198 | struct section_argument *next; |
| 199 | const char *arg; |
| 200 | }; |
| 201 | |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 202 | /* Number of sections in the file. */ |
| 203 | static size_t shnum; |
| 204 | |
| 205 | |
| 206 | /* Declarations of local functions. */ |
Ulrich Drepper | b597dfa | 2007-10-16 05:21:27 +0000 | [diff] [blame] | 207 | static void process_file (int fd, const char *fname, bool only_one); |
Roland McGrath | e4c22ea | 2007-10-23 13:07:39 +0000 | [diff] [blame] | 208 | static void process_elf_file (Dwfl_Module *dwflmod, int fd); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 209 | static void print_ehdr (Ebl *ebl, GElf_Ehdr *ehdr); |
| 210 | static void print_shdr (Ebl *ebl, GElf_Ehdr *ehdr); |
| 211 | static void print_phdr (Ebl *ebl, GElf_Ehdr *ehdr); |
| 212 | static void print_scngrp (Ebl *ebl); |
Ulrich Drepper | dbace23 | 2005-08-06 01:37:23 +0000 | [diff] [blame] | 213 | static void print_dynamic (Ebl *ebl, GElf_Ehdr *ehdr); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 214 | static void print_relocs (Ebl *ebl); |
| 215 | static void handle_relocs_rel (Ebl *ebl, Elf_Scn *scn, GElf_Shdr *shdr); |
| 216 | static void handle_relocs_rela (Ebl *ebl, Elf_Scn *scn, GElf_Shdr *shdr); |
| 217 | static void print_symtab (Ebl *ebl, int type); |
| 218 | static void handle_symtab (Ebl *ebl, Elf_Scn *scn, GElf_Shdr *shdr); |
| 219 | static void print_verinfo (Ebl *ebl); |
| 220 | static void handle_verneed (Ebl *ebl, Elf_Scn *scn, GElf_Shdr *shdr); |
| 221 | static void handle_verdef (Ebl *ebl, Elf_Scn *scn, GElf_Shdr *shdr); |
| 222 | static void handle_versym (Ebl *ebl, Elf_Scn *scn, |
| 223 | GElf_Shdr *shdr); |
Ulrich Drepper | b597dfa | 2007-10-16 05:21:27 +0000 | [diff] [blame] | 224 | static void print_debug (Dwfl_Module *dwflmod, Ebl *ebl, GElf_Ehdr *ehdr); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 225 | static void handle_hash (Ebl *ebl); |
| 226 | static void handle_notes (Ebl *ebl, GElf_Ehdr *ehdr); |
| 227 | static void print_liblist (Ebl *ebl); |
Roland McGrath | 059c83e | 2008-02-21 06:19:39 +0000 | [diff] [blame] | 228 | static void print_attributes (Ebl *ebl, const GElf_Ehdr *ehdr); |
Roland McGrath | 60fc84c | 2007-08-03 21:59:15 +0000 | [diff] [blame] | 229 | static void dump_data (Ebl *ebl); |
Roland McGrath | c76f0b0 | 2007-09-27 07:31:33 +0000 | [diff] [blame] | 230 | static void dump_strings (Ebl *ebl); |
Roland McGrath | 60fc84c | 2007-08-03 21:59:15 +0000 | [diff] [blame] | 231 | static void print_strings (Ebl *ebl); |
Roland McGrath | 59ea7f3 | 2007-10-04 08:50:09 +0000 | [diff] [blame] | 232 | static void dump_archive_index (Elf *, const char *); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 233 | |
| 234 | |
| 235 | int |
| 236 | main (int argc, char *argv[]) |
| 237 | { |
| 238 | /* Set locale. */ |
| 239 | setlocale (LC_ALL, ""); |
| 240 | |
| 241 | /* Initialize the message catalog. */ |
Ulrich Drepper | b024386 | 2007-06-06 00:09:36 +0000 | [diff] [blame] | 242 | textdomain (PACKAGE_TARNAME); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 243 | |
| 244 | /* Parse and process arguments. */ |
| 245 | int remaining; |
| 246 | argp_parse (&argp, argc, argv, 0, &remaining, NULL); |
| 247 | |
| 248 | /* Before we start tell the ELF library which version we are using. */ |
| 249 | elf_version (EV_CURRENT); |
| 250 | |
| 251 | /* Now process all the files given at the command line. */ |
| 252 | bool only_one = remaining + 1 == argc; |
| 253 | do |
| 254 | { |
| 255 | /* Open the file. */ |
| 256 | int fd = open (argv[remaining], O_RDONLY); |
| 257 | if (fd == -1) |
| 258 | { |
| 259 | error (0, errno, gettext ("cannot open input file")); |
| 260 | continue; |
| 261 | } |
| 262 | |
Ulrich Drepper | b597dfa | 2007-10-16 05:21:27 +0000 | [diff] [blame] | 263 | process_file (fd, argv[remaining], only_one); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 264 | |
| 265 | close (fd); |
| 266 | } |
| 267 | while (++remaining < argc); |
| 268 | |
| 269 | return error_message_count != 0; |
| 270 | } |
| 271 | |
| 272 | |
| 273 | /* Handle program arguments. */ |
| 274 | static error_t |
| 275 | parse_opt (int key, char *arg, |
| 276 | struct argp_state *state __attribute__ ((unused))) |
| 277 | { |
Ulrich Drepper | d7285e1 | 2009-01-23 16:10:44 -0800 | [diff] [blame] | 278 | void add_dump_section (const char *name) |
| 279 | { |
| 280 | struct section_argument *a = xmalloc (sizeof *a); |
| 281 | a->arg = name; |
| 282 | a->next = NULL; |
| 283 | struct section_argument ***tailp |
| 284 | = key == 'x' ? &dump_data_sections_tail : &string_sections_tail; |
| 285 | **tailp = a; |
| 286 | *tailp = &a->next; |
| 287 | } |
| 288 | |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 289 | switch (key) |
| 290 | { |
| 291 | case 'a': |
| 292 | print_file_header = true; |
| 293 | print_program_header = true; |
| 294 | print_relocations = true; |
| 295 | print_section_header = true; |
| 296 | print_symbol_table = true; |
| 297 | print_version_info = true; |
| 298 | print_dynamic_table = true; |
| 299 | print_section_groups = true; |
| 300 | print_histogram = true; |
| 301 | print_arch = true; |
| 302 | print_notes = true; |
Ulrich Drepper | b006fbf | 2009-01-16 03:08:25 -0800 | [diff] [blame] | 303 | print_debug_sections |= section_exception; |
Ulrich Drepper | d7285e1 | 2009-01-23 16:10:44 -0800 | [diff] [blame] | 304 | add_dump_section (".strtab"); |
| 305 | add_dump_section (".dynstr"); |
| 306 | add_dump_section (".comment"); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 307 | any_control_option = true; |
| 308 | break; |
| 309 | case 'A': |
| 310 | print_arch = true; |
| 311 | any_control_option = true; |
| 312 | break; |
| 313 | case 'd': |
| 314 | print_dynamic_table = true; |
| 315 | any_control_option = true; |
| 316 | break; |
Ulrich Drepper | b006fbf | 2009-01-16 03:08:25 -0800 | [diff] [blame] | 317 | case 'e': |
| 318 | print_debug_sections |= section_exception; |
| 319 | any_control_option = true; |
| 320 | break; |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 321 | case 'g': |
| 322 | print_section_groups = true; |
| 323 | any_control_option = true; |
| 324 | break; |
| 325 | case 'h': |
| 326 | print_file_header = true; |
| 327 | any_control_option = true; |
| 328 | break; |
| 329 | case 'I': |
| 330 | print_histogram = true; |
| 331 | any_control_option = true; |
| 332 | break; |
| 333 | case 'l': |
| 334 | print_program_header = true; |
| 335 | any_control_option = true; |
| 336 | break; |
| 337 | case 'n': |
| 338 | print_notes = true; |
| 339 | any_control_option = true; |
| 340 | break; |
| 341 | case 'r': |
| 342 | print_relocations = true; |
| 343 | any_control_option = true; |
| 344 | break; |
| 345 | case 'S': |
| 346 | print_section_header = true; |
| 347 | any_control_option = true; |
| 348 | break; |
| 349 | case 's': |
| 350 | print_symbol_table = true; |
| 351 | any_control_option = true; |
| 352 | break; |
| 353 | case 'V': |
| 354 | print_version_info = true; |
| 355 | any_control_option = true; |
| 356 | break; |
Roland McGrath | 59ea7f3 | 2007-10-04 08:50:09 +0000 | [diff] [blame] | 357 | case 'c': |
| 358 | print_archive_index = true; |
| 359 | break; |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 360 | case 'w': |
| 361 | if (arg == NULL) |
| 362 | print_debug_sections = section_all; |
| 363 | else if (strcmp (arg, "abbrev") == 0) |
| 364 | print_debug_sections |= section_abbrev; |
| 365 | else if (strcmp (arg, "aranges") == 0) |
| 366 | print_debug_sections |= section_aranges; |
| 367 | else if (strcmp (arg, "ranges") == 0) |
| 368 | print_debug_sections |= section_ranges; |
Ulrich Drepper | ac194d0 | 2009-01-06 00:30:01 -0800 | [diff] [blame] | 369 | else if (strcmp (arg, "frame") == 0 || strcmp (arg, "frames") == 0) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 370 | print_debug_sections |= section_frame; |
| 371 | else if (strcmp (arg, "info") == 0) |
| 372 | print_debug_sections |= section_info; |
| 373 | else if (strcmp (arg, "loc") == 0) |
| 374 | print_debug_sections |= section_loc; |
| 375 | else if (strcmp (arg, "line") == 0) |
| 376 | print_debug_sections |= section_line; |
| 377 | else if (strcmp (arg, "pubnames") == 0) |
| 378 | print_debug_sections |= section_pubnames; |
| 379 | else if (strcmp (arg, "str") == 0) |
| 380 | print_debug_sections |= section_str; |
| 381 | else if (strcmp (arg, "macinfo") == 0) |
| 382 | print_debug_sections |= section_macinfo; |
Ulrich Drepper | b006fbf | 2009-01-16 03:08:25 -0800 | [diff] [blame] | 383 | else if (strcmp (arg, "exception") == 0) |
| 384 | print_debug_sections |= section_exception; |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 385 | else |
| 386 | { |
| 387 | fprintf (stderr, gettext ("Unknown DWARF debug section `%s'.\n"), |
| 388 | arg); |
| 389 | argp_help (&argp, stderr, ARGP_HELP_SEE, |
| 390 | program_invocation_short_name); |
| 391 | exit (1); |
| 392 | } |
| 393 | any_control_option = true; |
| 394 | break; |
Roland McGrath | c76f0b0 | 2007-09-27 07:31:33 +0000 | [diff] [blame] | 395 | case 'p': |
| 396 | any_control_option = true; |
| 397 | if (arg == NULL) |
| 398 | { |
| 399 | print_string_sections = true; |
| 400 | break; |
| 401 | } |
| 402 | /* Fall through. */ |
Roland McGrath | 60fc84c | 2007-08-03 21:59:15 +0000 | [diff] [blame] | 403 | case 'x': |
Ulrich Drepper | d7285e1 | 2009-01-23 16:10:44 -0800 | [diff] [blame] | 404 | add_dump_section (arg); |
Roland McGrath | 60fc84c | 2007-08-03 21:59:15 +0000 | [diff] [blame] | 405 | any_control_option = true; |
| 406 | break; |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 407 | case ARGP_KEY_NO_ARGS: |
| 408 | fputs (gettext ("Missing file name.\n"), stderr); |
| 409 | goto do_argp_help; |
| 410 | case ARGP_KEY_FINI: |
Roland McGrath | 59ea7f3 | 2007-10-04 08:50:09 +0000 | [diff] [blame] | 411 | if (! any_control_option && ! print_archive_index) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 412 | { |
| 413 | fputs (gettext ("No operation specified.\n"), stderr); |
| 414 | do_argp_help: |
| 415 | argp_help (&argp, stderr, ARGP_HELP_SEE | ARGP_HELP_EXIT_ERR, |
| 416 | program_invocation_short_name); |
| 417 | exit (1); |
| 418 | } |
| 419 | break; |
| 420 | default: |
| 421 | return ARGP_ERR_UNKNOWN; |
| 422 | } |
| 423 | return 0; |
| 424 | } |
| 425 | |
| 426 | |
| 427 | /* Print the version information. */ |
| 428 | static void |
| 429 | print_version (FILE *stream, struct argp_state *state __attribute__ ((unused))) |
| 430 | { |
Ulrich Drepper | b024386 | 2007-06-06 00:09:36 +0000 | [diff] [blame] | 431 | fprintf (stream, "readelf (%s) %s\n", PACKAGE_NAME, PACKAGE_VERSION); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 432 | fprintf (stream, gettext ("\ |
| 433 | Copyright (C) %s Red Hat, Inc.\n\ |
| 434 | This is free software; see the source for copying conditions. There is NO\n\ |
| 435 | warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\ |
Ulrich Drepper | 44173ed | 2009-01-01 19:00:41 -0800 | [diff] [blame] | 436 | "), "2009"); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 437 | fprintf (stream, gettext ("Written by %s.\n"), "Ulrich Drepper"); |
| 438 | } |
| 439 | |
| 440 | |
Ulrich Drepper | b597dfa | 2007-10-16 05:21:27 +0000 | [diff] [blame] | 441 | /* Check if the file is an archive, and if so dump its index. */ |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 442 | static void |
Ulrich Drepper | b597dfa | 2007-10-16 05:21:27 +0000 | [diff] [blame] | 443 | check_archive_index (int fd, const char *fname, bool only_one) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 444 | { |
Ulrich Drepper | b597dfa | 2007-10-16 05:21:27 +0000 | [diff] [blame] | 445 | /* Create an `Elf' descriptor. */ |
| 446 | Elf *elf = elf_begin (fd, ELF_C_READ_MMAP, NULL); |
| 447 | if (elf == NULL) |
| 448 | error (0, 0, gettext ("cannot generate Elf descriptor: %s"), |
| 449 | elf_errmsg (-1)); |
| 450 | else |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 451 | { |
Ulrich Drepper | b597dfa | 2007-10-16 05:21:27 +0000 | [diff] [blame] | 452 | if (elf_kind (elf) == ELF_K_AR) |
| 453 | { |
| 454 | if (!only_one) |
| 455 | printf ("\n%s:\n\n", fname); |
| 456 | dump_archive_index (elf, fname); |
| 457 | } |
| 458 | else |
Roland McGrath | 59ea7f3 | 2007-10-04 08:50:09 +0000 | [diff] [blame] | 459 | error (0, 0, |
| 460 | gettext ("'%s' is not an archive, cannot print archive index"), |
| 461 | fname); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 462 | |
Ulrich Drepper | b597dfa | 2007-10-16 05:21:27 +0000 | [diff] [blame] | 463 | /* Now we can close the descriptor. */ |
| 464 | if (elf_end (elf) != 0) |
| 465 | error (0, 0, gettext ("error while closing Elf descriptor: %s"), |
| 466 | elf_errmsg (-1)); |
| 467 | } |
| 468 | } |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 469 | |
Ulrich Drepper | b597dfa | 2007-10-16 05:21:27 +0000 | [diff] [blame] | 470 | /* Trivial callback used for checking if we opened an archive. */ |
| 471 | static int |
| 472 | count_dwflmod (Dwfl_Module *dwflmod __attribute__ ((unused)), |
| 473 | void **userdata __attribute__ ((unused)), |
| 474 | const char *name __attribute__ ((unused)), |
| 475 | Dwarf_Addr base __attribute__ ((unused)), |
| 476 | void *arg) |
| 477 | { |
Roland McGrath | a845f68 | 2008-12-03 03:41:58 +0000 | [diff] [blame] | 478 | if (*(bool *) arg) |
| 479 | return DWARF_CB_ABORT; |
| 480 | *(bool *) arg = true; |
| 481 | return DWARF_CB_OK; |
Ulrich Drepper | b597dfa | 2007-10-16 05:21:27 +0000 | [diff] [blame] | 482 | } |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 483 | |
Roland McGrath | e4c22ea | 2007-10-23 13:07:39 +0000 | [diff] [blame] | 484 | struct process_dwflmod_args |
| 485 | { |
| 486 | int fd; |
| 487 | bool only_one; |
| 488 | }; |
| 489 | |
Ulrich Drepper | b597dfa | 2007-10-16 05:21:27 +0000 | [diff] [blame] | 490 | static int |
| 491 | process_dwflmod (Dwfl_Module *dwflmod, |
| 492 | void **userdata __attribute__ ((unused)), |
| 493 | const char *name __attribute__ ((unused)), |
| 494 | Dwarf_Addr base __attribute__ ((unused)), |
| 495 | void *arg) |
| 496 | { |
Roland McGrath | e4c22ea | 2007-10-23 13:07:39 +0000 | [diff] [blame] | 497 | const struct process_dwflmod_args *a = arg; |
Roland McGrath | 59ea7f3 | 2007-10-04 08:50:09 +0000 | [diff] [blame] | 498 | |
Ulrich Drepper | b597dfa | 2007-10-16 05:21:27 +0000 | [diff] [blame] | 499 | /* Print the file name. */ |
Roland McGrath | e4c22ea | 2007-10-23 13:07:39 +0000 | [diff] [blame] | 500 | if (!a->only_one) |
Ulrich Drepper | b597dfa | 2007-10-16 05:21:27 +0000 | [diff] [blame] | 501 | { |
| 502 | const char *fname; |
| 503 | dwfl_module_info (dwflmod, NULL, NULL, NULL, NULL, NULL, &fname, NULL); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 504 | |
Ulrich Drepper | b597dfa | 2007-10-16 05:21:27 +0000 | [diff] [blame] | 505 | printf ("\n%s:\n\n", fname); |
| 506 | } |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 507 | |
Roland McGrath | e4c22ea | 2007-10-23 13:07:39 +0000 | [diff] [blame] | 508 | process_elf_file (dwflmod, a->fd); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 509 | |
Ulrich Drepper | b597dfa | 2007-10-16 05:21:27 +0000 | [diff] [blame] | 510 | return DWARF_CB_OK; |
| 511 | } |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 512 | |
Ulrich Drepper | b597dfa | 2007-10-16 05:21:27 +0000 | [diff] [blame] | 513 | /* Stub libdwfl callback, only the ELF handle already open is ever used. */ |
| 514 | static int |
| 515 | find_no_debuginfo (Dwfl_Module *mod __attribute__ ((unused)), |
| 516 | void **userdata __attribute__ ((unused)), |
| 517 | const char *modname __attribute__ ((unused)), |
| 518 | Dwarf_Addr base __attribute__ ((unused)), |
| 519 | const char *file_name __attribute__ ((unused)), |
| 520 | const char *debuglink_file __attribute__ ((unused)), |
| 521 | GElf_Word debuglink_crc __attribute__ ((unused)), |
| 522 | char **debuginfo_file_name __attribute__ ((unused))) |
| 523 | { |
| 524 | return -1; |
| 525 | } |
| 526 | |
| 527 | /* Process one input file. */ |
| 528 | static void |
| 529 | process_file (int fd, const char *fname, bool only_one) |
| 530 | { |
| 531 | if (print_archive_index) |
| 532 | check_archive_index (fd, fname, only_one); |
| 533 | |
| 534 | if (!any_control_option) |
| 535 | return; |
| 536 | |
Roland McGrath | e4c22ea | 2007-10-23 13:07:39 +0000 | [diff] [blame] | 537 | /* Duplicate an fd for dwfl_report_offline to swallow. */ |
| 538 | int dwfl_fd = dup (fd); |
| 539 | if (unlikely (dwfl_fd < 0)) |
| 540 | error (EXIT_FAILURE, errno, "dup"); |
| 541 | |
Ulrich Drepper | b597dfa | 2007-10-16 05:21:27 +0000 | [diff] [blame] | 542 | /* Use libdwfl in a trivial way to open the libdw handle for us. |
| 543 | This takes care of applying relocations to DWARF data in ET_REL files. */ |
| 544 | static const Dwfl_Callbacks callbacks = |
| 545 | { |
| 546 | .section_address = dwfl_offline_section_address, |
| 547 | .find_debuginfo = find_no_debuginfo |
| 548 | }; |
| 549 | Dwfl *dwfl = dwfl_begin (&callbacks); |
Roland McGrath | e4c22ea | 2007-10-23 13:07:39 +0000 | [diff] [blame] | 550 | if (likely (dwfl != NULL)) |
| 551 | /* Let 0 be the logical address of the file (or first in archive). */ |
| 552 | dwfl->offline_next_address = 0; |
| 553 | if (dwfl_report_offline (dwfl, fname, fname, dwfl_fd) == NULL) |
Ulrich Drepper | b597dfa | 2007-10-16 05:21:27 +0000 | [diff] [blame] | 554 | { |
| 555 | struct stat64 st; |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 556 | if (fstat64 (fd, &st) != 0) |
| 557 | error (0, errno, gettext ("cannot stat input file")); |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 558 | else if (unlikely (st.st_size == 0)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 559 | error (0, 0, gettext ("input file is empty")); |
| 560 | else |
Ulrich Drepper | b597dfa | 2007-10-16 05:21:27 +0000 | [diff] [blame] | 561 | error (0, 0, gettext ("failed reading '%s': %s"), |
| 562 | fname, dwfl_errmsg (-1)); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 563 | } |
Ulrich Drepper | b597dfa | 2007-10-16 05:21:27 +0000 | [diff] [blame] | 564 | else |
| 565 | { |
| 566 | dwfl_report_end (dwfl, NULL, NULL); |
| 567 | |
| 568 | if (only_one) |
Roland McGrath | a845f68 | 2008-12-03 03:41:58 +0000 | [diff] [blame] | 569 | { |
| 570 | /* Clear ONLY_ONE if we have multiple modules, from an archive. */ |
| 571 | bool seen = false; |
| 572 | only_one = dwfl_getmodules (dwfl, &count_dwflmod, &seen, 0) == 0; |
| 573 | } |
Ulrich Drepper | b597dfa | 2007-10-16 05:21:27 +0000 | [diff] [blame] | 574 | |
| 575 | /* Process the one or more modules gleaned from this file. */ |
Roland McGrath | e4c22ea | 2007-10-23 13:07:39 +0000 | [diff] [blame] | 576 | struct process_dwflmod_args a = { .fd = fd, .only_one = only_one }; |
| 577 | dwfl_getmodules (dwfl, &process_dwflmod, &a, 0); |
Ulrich Drepper | b597dfa | 2007-10-16 05:21:27 +0000 | [diff] [blame] | 578 | } |
| 579 | dwfl_end (dwfl); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 580 | } |
| 581 | |
| 582 | |
Ulrich Drepper | b597dfa | 2007-10-16 05:21:27 +0000 | [diff] [blame] | 583 | /* Process one ELF file. */ |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 584 | static void |
Roland McGrath | e4c22ea | 2007-10-23 13:07:39 +0000 | [diff] [blame] | 585 | process_elf_file (Dwfl_Module *dwflmod, int fd) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 586 | { |
Ulrich Drepper | b597dfa | 2007-10-16 05:21:27 +0000 | [diff] [blame] | 587 | GElf_Addr dwflbias; |
| 588 | Elf *elf = dwfl_module_getelf (dwflmod, &dwflbias); |
| 589 | |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 590 | GElf_Ehdr ehdr_mem; |
| 591 | GElf_Ehdr *ehdr = gelf_getehdr (elf, &ehdr_mem); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 592 | |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 593 | if (ehdr == NULL) |
| 594 | { |
Roland McGrath | e4c22ea | 2007-10-23 13:07:39 +0000 | [diff] [blame] | 595 | elf_error: |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 596 | error (0, 0, gettext ("cannot read ELF header: %s"), elf_errmsg (-1)); |
| 597 | return; |
| 598 | } |
| 599 | |
Ulrich Drepper | d044952 | 2005-09-03 07:23:52 +0000 | [diff] [blame] | 600 | Ebl *ebl = ebl_openbackend (elf); |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 601 | if (unlikely (ebl == NULL)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 602 | { |
Roland McGrath | e4c22ea | 2007-10-23 13:07:39 +0000 | [diff] [blame] | 603 | ebl_error: |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 604 | error (0, errno, gettext ("cannot create EBL handle")); |
| 605 | return; |
| 606 | } |
| 607 | |
| 608 | /* Determine the number of sections. */ |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 609 | if (unlikely (elf_getshnum (ebl->elf, &shnum) < 0)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 610 | error (EXIT_FAILURE, 0, |
| 611 | gettext ("cannot determine number of sections: %s"), |
| 612 | elf_errmsg (-1)); |
| 613 | |
Roland McGrath | e4c22ea | 2007-10-23 13:07:39 +0000 | [diff] [blame] | 614 | /* For an ET_REL file, libdwfl has adjusted the in-core shdrs |
| 615 | and may have applied relocation to some sections. |
| 616 | So we need to get a fresh Elf handle on the file to display those. */ |
| 617 | bool print_unrelocated = (print_section_header |
| 618 | || print_relocations |
| 619 | || dump_data_sections != NULL |
| 620 | || print_notes); |
| 621 | |
| 622 | Elf *pure_elf = NULL; |
| 623 | Ebl *pure_ebl = ebl; |
| 624 | if (ehdr->e_type == ET_REL && print_unrelocated) |
| 625 | { |
| 626 | /* Read the file afresh. */ |
Roland McGrath | e4c22ea | 2007-10-23 13:07:39 +0000 | [diff] [blame] | 627 | off64_t aroff = elf_getaroff (elf); |
Ulrich Drepper | fbc708d | 2008-01-21 18:44:55 +0000 | [diff] [blame] | 628 | pure_elf = elf_begin (fd, ELF_C_READ_MMAP, NULL); |
Roland McGrath | e4c22ea | 2007-10-23 13:07:39 +0000 | [diff] [blame] | 629 | if (aroff > 0) |
| 630 | { |
| 631 | /* Archive member. */ |
| 632 | (void) elf_rand (pure_elf, aroff); |
| 633 | Elf *armem = elf_begin (-1, ELF_C_READ_MMAP, pure_elf); |
| 634 | elf_end (pure_elf); |
| 635 | pure_elf = armem; |
| 636 | } |
| 637 | if (pure_elf == NULL) |
| 638 | goto elf_error; |
| 639 | pure_ebl = ebl_openbackend (pure_elf); |
| 640 | if (pure_ebl == NULL) |
| 641 | goto ebl_error; |
| 642 | } |
| 643 | |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 644 | if (print_file_header) |
| 645 | print_ehdr (ebl, ehdr); |
| 646 | if (print_section_header) |
Roland McGrath | e4c22ea | 2007-10-23 13:07:39 +0000 | [diff] [blame] | 647 | print_shdr (pure_ebl, ehdr); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 648 | if (print_program_header) |
| 649 | print_phdr (ebl, ehdr); |
| 650 | if (print_section_groups) |
| 651 | print_scngrp (ebl); |
| 652 | if (print_dynamic_table) |
Ulrich Drepper | dbace23 | 2005-08-06 01:37:23 +0000 | [diff] [blame] | 653 | print_dynamic (ebl, ehdr); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 654 | if (print_relocations) |
Roland McGrath | e4c22ea | 2007-10-23 13:07:39 +0000 | [diff] [blame] | 655 | print_relocs (pure_ebl); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 656 | if (print_histogram) |
| 657 | handle_hash (ebl); |
| 658 | if (print_symbol_table) |
| 659 | print_symtab (ebl, SHT_DYNSYM); |
| 660 | if (print_version_info) |
| 661 | print_verinfo (ebl); |
| 662 | if (print_symbol_table) |
| 663 | print_symtab (ebl, SHT_SYMTAB); |
| 664 | if (print_arch) |
| 665 | print_liblist (ebl); |
Roland McGrath | 059c83e | 2008-02-21 06:19:39 +0000 | [diff] [blame] | 666 | if (print_arch) |
| 667 | print_attributes (ebl, ehdr); |
Roland McGrath | 60fc84c | 2007-08-03 21:59:15 +0000 | [diff] [blame] | 668 | if (dump_data_sections != NULL) |
Roland McGrath | e4c22ea | 2007-10-23 13:07:39 +0000 | [diff] [blame] | 669 | dump_data (pure_ebl); |
Roland McGrath | c76f0b0 | 2007-09-27 07:31:33 +0000 | [diff] [blame] | 670 | if (string_sections != NULL) |
| 671 | dump_strings (ebl); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 672 | if (print_debug_sections != 0) |
Ulrich Drepper | b597dfa | 2007-10-16 05:21:27 +0000 | [diff] [blame] | 673 | print_debug (dwflmod, ebl, ehdr); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 674 | if (print_notes) |
Roland McGrath | e4c22ea | 2007-10-23 13:07:39 +0000 | [diff] [blame] | 675 | handle_notes (pure_ebl, ehdr); |
Roland McGrath | 60fc84c | 2007-08-03 21:59:15 +0000 | [diff] [blame] | 676 | if (print_string_sections) |
| 677 | print_strings (ebl); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 678 | |
| 679 | ebl_closebackend (ebl); |
Roland McGrath | e4c22ea | 2007-10-23 13:07:39 +0000 | [diff] [blame] | 680 | |
| 681 | if (pure_ebl != ebl) |
| 682 | { |
| 683 | ebl_closebackend (pure_ebl); |
| 684 | elf_end (pure_elf); |
| 685 | } |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 686 | } |
| 687 | |
| 688 | |
| 689 | /* Print file type. */ |
| 690 | static void |
| 691 | print_file_type (unsigned short int e_type) |
| 692 | { |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 693 | if (likely (e_type <= ET_CORE)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 694 | { |
Ulrich Drepper | 8b38310 | 2007-02-16 00:31:57 +0000 | [diff] [blame] | 695 | static const char *const knowntypes[] = |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 696 | { |
| 697 | N_("NONE (None)"), |
| 698 | N_("REL (Relocatable file)"), |
| 699 | N_("EXEC (Executable file)"), |
| 700 | N_("DYN (Shared object file)"), |
| 701 | N_("CORE (Core file)") |
| 702 | }; |
| 703 | puts (gettext (knowntypes[e_type])); |
| 704 | } |
| 705 | else if (e_type >= ET_LOOS && e_type <= ET_HIOS) |
| 706 | printf (gettext ("OS Specific: (%x)\n"), e_type); |
| 707 | else if (e_type >= ET_LOPROC /* && e_type <= ET_HIPROC always true */) |
| 708 | printf (gettext ("Processor Specific: (%x)\n"), e_type); |
| 709 | else |
| 710 | puts ("???"); |
| 711 | } |
| 712 | |
| 713 | |
| 714 | /* Print ELF header. */ |
| 715 | static void |
| 716 | print_ehdr (Ebl *ebl, GElf_Ehdr *ehdr) |
| 717 | { |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 718 | fputs_unlocked (gettext ("ELF Header:\n Magic: "), stdout); |
Ulrich Drepper | d044952 | 2005-09-03 07:23:52 +0000 | [diff] [blame] | 719 | for (size_t cnt = 0; cnt < EI_NIDENT; ++cnt) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 720 | printf (" %02hhx", ehdr->e_ident[cnt]); |
| 721 | |
| 722 | printf (gettext ("\n Class: %s\n"), |
| 723 | ehdr->e_ident[EI_CLASS] == ELFCLASS32 ? "ELF32" |
| 724 | : ehdr->e_ident[EI_CLASS] == ELFCLASS64 ? "ELF64" |
| 725 | : "\?\?\?"); |
| 726 | |
| 727 | printf (gettext (" Data: %s\n"), |
| 728 | ehdr->e_ident[EI_DATA] == ELFDATA2LSB |
| 729 | ? "2's complement, little endian" |
| 730 | : ehdr->e_ident[EI_DATA] == ELFDATA2MSB |
| 731 | ? "2's complement, big endian" : "\?\?\?"); |
| 732 | |
Ulrich Drepper | 41a9908 | 2006-05-28 00:01:43 +0000 | [diff] [blame] | 733 | printf (gettext (" Ident Version: %hhd %s\n"), |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 734 | ehdr->e_ident[EI_VERSION], |
| 735 | ehdr->e_ident[EI_VERSION] == EV_CURRENT ? gettext ("(current)") |
| 736 | : "(\?\?\?)"); |
| 737 | |
Ulrich Drepper | d044952 | 2005-09-03 07:23:52 +0000 | [diff] [blame] | 738 | char buf[512]; |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 739 | printf (gettext (" OS/ABI: %s\n"), |
| 740 | ebl_osabi_name (ebl, ehdr->e_ident[EI_OSABI], buf, sizeof (buf))); |
| 741 | |
| 742 | printf (gettext (" ABI Version: %hhd\n"), |
| 743 | ehdr->e_ident[EI_ABIVERSION]); |
| 744 | |
| 745 | fputs_unlocked (gettext (" Type: "), stdout); |
| 746 | print_file_type (ehdr->e_type); |
| 747 | |
| 748 | printf (gettext (" Machine: %s\n"), ebl->name); |
| 749 | |
| 750 | printf (gettext (" Version: %d %s\n"), |
| 751 | ehdr->e_version, |
| 752 | ehdr->e_version == EV_CURRENT ? gettext ("(current)") : "(\?\?\?)"); |
| 753 | |
| 754 | printf (gettext (" Entry point address: %#" PRIx64 "\n"), |
| 755 | ehdr->e_entry); |
| 756 | |
| 757 | printf (gettext (" Start of program headers: %" PRId64 " %s\n"), |
| 758 | ehdr->e_phoff, gettext ("(bytes into file)")); |
| 759 | |
| 760 | printf (gettext (" Start of section headers: %" PRId64 " %s\n"), |
| 761 | ehdr->e_shoff, gettext ("(bytes into file)")); |
| 762 | |
| 763 | printf (gettext (" Flags: %s\n"), |
| 764 | ebl_machine_flag_name (ebl, ehdr->e_flags, buf, sizeof (buf))); |
| 765 | |
| 766 | printf (gettext (" Size of this header: %" PRId16 " %s\n"), |
| 767 | ehdr->e_ehsize, gettext ("(bytes)")); |
| 768 | |
| 769 | printf (gettext (" Size of program header entries: %" PRId16 " %s\n"), |
| 770 | ehdr->e_phentsize, gettext ("(bytes)")); |
| 771 | |
| 772 | printf (gettext (" Number of program headers entries: %" PRId16 "\n"), |
| 773 | ehdr->e_phnum); |
| 774 | |
| 775 | printf (gettext (" Size of section header entries: %" PRId16 " %s\n"), |
| 776 | ehdr->e_shentsize, gettext ("(bytes)")); |
| 777 | |
| 778 | printf (gettext (" Number of section headers entries: %" PRId16), |
| 779 | ehdr->e_shnum); |
| 780 | if (ehdr->e_shnum == 0) |
| 781 | { |
| 782 | GElf_Shdr shdr_mem; |
Ulrich Drepper | d044952 | 2005-09-03 07:23:52 +0000 | [diff] [blame] | 783 | GElf_Shdr *shdr = gelf_getshdr (elf_getscn (ebl->elf, 0), &shdr_mem); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 784 | if (shdr != NULL) |
| 785 | printf (gettext (" (%" PRIu32 " in [0].sh_size)"), |
| 786 | (uint32_t) shdr->sh_size); |
| 787 | else |
| 788 | fputs_unlocked (gettext (" ([0] not available)"), stdout); |
| 789 | } |
| 790 | fputc_unlocked ('\n', stdout); |
| 791 | |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 792 | if (unlikely (ehdr->e_shstrndx == SHN_XINDEX)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 793 | { |
| 794 | GElf_Shdr shdr_mem; |
Ulrich Drepper | d044952 | 2005-09-03 07:23:52 +0000 | [diff] [blame] | 795 | GElf_Shdr *shdr = gelf_getshdr (elf_getscn (ebl->elf, 0), &shdr_mem); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 796 | if (shdr != NULL) |
| 797 | /* We managed to get the zeroth section. */ |
| 798 | snprintf (buf, sizeof (buf), gettext (" (%" PRIu32 " in [0].sh_link)"), |
| 799 | (uint32_t) shdr->sh_link); |
| 800 | else |
| 801 | { |
| 802 | strncpy (buf, gettext (" ([0] not available)"), sizeof (buf)); |
| 803 | buf[sizeof (buf) - 1] = '\0'; |
| 804 | } |
| 805 | |
| 806 | printf (gettext (" Section header string table index: XINDEX%s\n\n"), |
| 807 | buf); |
| 808 | } |
| 809 | else |
| 810 | printf (gettext (" Section header string table index: %" PRId16 "\n\n"), |
| 811 | ehdr->e_shstrndx); |
| 812 | } |
| 813 | |
| 814 | |
| 815 | static const char * |
| 816 | get_visibility_type (int value) |
| 817 | { |
| 818 | switch (value) |
| 819 | { |
| 820 | case STV_DEFAULT: |
| 821 | return "DEFAULT"; |
| 822 | case STV_INTERNAL: |
| 823 | return "INTERNAL"; |
| 824 | case STV_HIDDEN: |
| 825 | return "HIDDEN"; |
| 826 | case STV_PROTECTED: |
| 827 | return "PROTECTED"; |
| 828 | default: |
| 829 | return "???"; |
| 830 | } |
| 831 | } |
| 832 | |
| 833 | |
| 834 | /* Print the section headers. */ |
| 835 | static void |
| 836 | print_shdr (Ebl *ebl, GElf_Ehdr *ehdr) |
| 837 | { |
| 838 | size_t cnt; |
| 839 | size_t shstrndx; |
| 840 | |
| 841 | if (! print_file_header) |
| 842 | printf (gettext ("\ |
| 843 | There are %d section headers, starting at offset %#" PRIx64 ":\n\ |
| 844 | \n"), |
| 845 | ehdr->e_shnum, ehdr->e_shoff); |
| 846 | |
| 847 | /* Get the section header string table index. */ |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 848 | if (unlikely (elf_getshstrndx (ebl->elf, &shstrndx) < 0)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 849 | error (EXIT_FAILURE, 0, |
| 850 | gettext ("cannot get section header string table index")); |
| 851 | |
| 852 | puts (gettext ("Section Headers:")); |
| 853 | |
| 854 | if (ehdr->e_ident[EI_CLASS] == ELFCLASS32) |
| 855 | puts (gettext ("[Nr] Name Type Addr Off Size ES Flags Lk Inf Al")); |
| 856 | else |
| 857 | puts (gettext ("[Nr] Name Type Addr Off Size ES Flags Lk Inf Al")); |
| 858 | |
| 859 | for (cnt = 0; cnt < shnum; ++cnt) |
| 860 | { |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 861 | Elf_Scn *scn = elf_getscn (ebl->elf, cnt); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 862 | |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 863 | if (unlikely (scn == NULL)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 864 | error (EXIT_FAILURE, 0, gettext ("cannot get section: %s"), |
| 865 | elf_errmsg (-1)); |
| 866 | |
| 867 | /* Get the section header. */ |
Ulrich Drepper | d044952 | 2005-09-03 07:23:52 +0000 | [diff] [blame] | 868 | GElf_Shdr shdr_mem; |
| 869 | GElf_Shdr *shdr = gelf_getshdr (scn, &shdr_mem); |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 870 | if (unlikely (shdr == NULL)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 871 | error (EXIT_FAILURE, 0, gettext ("cannot get section header: %s"), |
| 872 | elf_errmsg (-1)); |
| 873 | |
Ulrich Drepper | d044952 | 2005-09-03 07:23:52 +0000 | [diff] [blame] | 874 | char flagbuf[20]; |
| 875 | char *cp = flagbuf; |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 876 | if (shdr->sh_flags & SHF_WRITE) |
| 877 | *cp++ = 'W'; |
| 878 | if (shdr->sh_flags & SHF_ALLOC) |
| 879 | *cp++ = 'A'; |
| 880 | if (shdr->sh_flags & SHF_EXECINSTR) |
| 881 | *cp++ = 'X'; |
| 882 | if (shdr->sh_flags & SHF_MERGE) |
| 883 | *cp++ = 'M'; |
| 884 | if (shdr->sh_flags & SHF_STRINGS) |
| 885 | *cp++ = 'S'; |
| 886 | if (shdr->sh_flags & SHF_INFO_LINK) |
| 887 | *cp++ = 'I'; |
| 888 | if (shdr->sh_flags & SHF_LINK_ORDER) |
| 889 | *cp++ = 'L'; |
| 890 | if (shdr->sh_flags & SHF_OS_NONCONFORMING) |
| 891 | *cp++ = 'N'; |
| 892 | if (shdr->sh_flags & SHF_GROUP) |
| 893 | *cp++ = 'G'; |
| 894 | if (shdr->sh_flags & SHF_TLS) |
| 895 | *cp++ = 'T'; |
| 896 | if (shdr->sh_flags & SHF_ORDERED) |
| 897 | *cp++ = 'O'; |
| 898 | if (shdr->sh_flags & SHF_EXCLUDE) |
| 899 | *cp++ = 'E'; |
| 900 | *cp = '\0'; |
| 901 | |
Ulrich Drepper | d044952 | 2005-09-03 07:23:52 +0000 | [diff] [blame] | 902 | char buf[128]; |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 903 | printf ("[%2zu] %-20s %-12s %0*" PRIx64 " %0*" PRIx64 " %0*" PRIx64 |
| 904 | " %2" PRId64 " %-5s %2" PRId32 " %3" PRId32 |
| 905 | " %2" PRId64 "\n", |
| 906 | cnt, |
| 907 | elf_strptr (ebl->elf, shstrndx, shdr->sh_name) |
| 908 | ?: "<corrupt>", |
| 909 | ebl_section_type_name (ebl, shdr->sh_type, buf, sizeof (buf)), |
| 910 | ehdr->e_ident[EI_CLASS] == ELFCLASS32 ? 8 : 16, shdr->sh_addr, |
| 911 | ehdr->e_ident[EI_CLASS] == ELFCLASS32 ? 6 : 8, shdr->sh_offset, |
| 912 | ehdr->e_ident[EI_CLASS] == ELFCLASS32 ? 6 : 8, shdr->sh_size, |
| 913 | shdr->sh_entsize, flagbuf, shdr->sh_link, shdr->sh_info, |
| 914 | shdr->sh_addralign); |
| 915 | } |
| 916 | |
| 917 | fputc_unlocked ('\n', stdout); |
| 918 | } |
| 919 | |
| 920 | |
| 921 | /* Print the program header. */ |
| 922 | static void |
| 923 | print_phdr (Ebl *ebl, GElf_Ehdr *ehdr) |
| 924 | { |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 925 | if (ehdr->e_phnum == 0) |
| 926 | /* No program header, this is OK in relocatable objects. */ |
| 927 | return; |
| 928 | |
| 929 | puts (gettext ("Program Headers:")); |
| 930 | if (ehdr->e_ident[EI_CLASS] == ELFCLASS32) |
| 931 | puts (gettext ("\ |
| 932 | Type Offset VirtAddr PhysAddr FileSiz MemSiz Flg Align")); |
| 933 | else |
| 934 | puts (gettext ("\ |
| 935 | Type Offset VirtAddr PhysAddr FileSiz MemSiz Flg Align")); |
| 936 | |
| 937 | /* Process all program headers. */ |
| 938 | bool has_relro = false; |
| 939 | GElf_Addr relro_from = 0; |
| 940 | GElf_Addr relro_to = 0; |
Ulrich Drepper | d044952 | 2005-09-03 07:23:52 +0000 | [diff] [blame] | 941 | for (size_t cnt = 0; cnt < ehdr->e_phnum; ++cnt) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 942 | { |
| 943 | char buf[128]; |
| 944 | GElf_Phdr mem; |
| 945 | GElf_Phdr *phdr = gelf_getphdr (ebl->elf, cnt, &mem); |
| 946 | |
| 947 | /* If for some reason the header cannot be returned show this. */ |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 948 | if (unlikely (phdr == NULL)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 949 | { |
| 950 | puts (" ???"); |
| 951 | continue; |
| 952 | } |
| 953 | |
| 954 | printf (" %-14s 0x%06" PRIx64 " 0x%0*" PRIx64 " 0x%0*" PRIx64 |
| 955 | " 0x%06" PRIx64 " 0x%06" PRIx64 " %c%c%c 0x%" PRIx64 "\n", |
| 956 | ebl_segment_type_name (ebl, phdr->p_type, buf, sizeof (buf)), |
| 957 | phdr->p_offset, |
| 958 | ehdr->e_ident[EI_CLASS] == ELFCLASS32 ? 8 : 16, phdr->p_vaddr, |
| 959 | ehdr->e_ident[EI_CLASS] == ELFCLASS32 ? 8 : 16, phdr->p_paddr, |
| 960 | phdr->p_filesz, |
| 961 | phdr->p_memsz, |
| 962 | phdr->p_flags & PF_R ? 'R' : ' ', |
| 963 | phdr->p_flags & PF_W ? 'W' : ' ', |
| 964 | phdr->p_flags & PF_X ? 'E' : ' ', |
| 965 | phdr->p_align); |
| 966 | |
| 967 | if (phdr->p_type == PT_INTERP) |
| 968 | { |
| 969 | /* We can show the user the name of the interpreter. */ |
| 970 | size_t maxsize; |
| 971 | char *filedata = elf_rawfile (ebl->elf, &maxsize); |
| 972 | |
| 973 | if (filedata != NULL && phdr->p_offset < maxsize) |
| 974 | printf (gettext ("\t[Requesting program interpreter: %s]\n"), |
| 975 | filedata + phdr->p_offset); |
| 976 | } |
| 977 | else if (phdr->p_type == PT_GNU_RELRO) |
| 978 | { |
| 979 | has_relro = true; |
| 980 | relro_from = phdr->p_vaddr; |
| 981 | relro_to = relro_from + phdr->p_memsz; |
| 982 | } |
| 983 | } |
| 984 | |
Roland McGrath | 9a847e1 | 2009-01-22 19:55:00 -0800 | [diff] [blame] | 985 | if (ehdr->e_shnum == 0) |
| 986 | /* No sections in the file. Punt. */ |
| 987 | return; |
| 988 | |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 989 | /* Get the section header string table index. */ |
Ulrich Drepper | d044952 | 2005-09-03 07:23:52 +0000 | [diff] [blame] | 990 | size_t shstrndx; |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 991 | if (unlikely (elf_getshstrndx (ebl->elf, &shstrndx) < 0)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 992 | error (EXIT_FAILURE, 0, |
| 993 | gettext ("cannot get section header string table index")); |
| 994 | |
| 995 | puts (gettext ("\n Section to Segment mapping:\n Segment Sections...")); |
| 996 | |
Ulrich Drepper | d044952 | 2005-09-03 07:23:52 +0000 | [diff] [blame] | 997 | for (size_t cnt = 0; cnt < ehdr->e_phnum; ++cnt) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 998 | { |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 999 | /* Print the segment number. */ |
| 1000 | printf (" %2.2zu ", cnt); |
| 1001 | |
Ulrich Drepper | d044952 | 2005-09-03 07:23:52 +0000 | [diff] [blame] | 1002 | GElf_Phdr phdr_mem; |
| 1003 | GElf_Phdr *phdr = gelf_getphdr (ebl->elf, cnt, &phdr_mem); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 1004 | /* This must not happen. */ |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 1005 | if (unlikely (phdr == NULL)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 1006 | error (EXIT_FAILURE, 0, gettext ("cannot get program header: %s"), |
| 1007 | elf_errmsg (-1)); |
| 1008 | |
| 1009 | /* Iterate over the sections. */ |
| 1010 | bool in_relro = false; |
| 1011 | bool in_ro = false; |
Ulrich Drepper | d044952 | 2005-09-03 07:23:52 +0000 | [diff] [blame] | 1012 | for (size_t inner = 1; inner < shnum; ++inner) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 1013 | { |
| 1014 | Elf_Scn *scn = elf_getscn (ebl->elf, inner); |
Ulrich Drepper | d044952 | 2005-09-03 07:23:52 +0000 | [diff] [blame] | 1015 | /* This should not happen. */ |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 1016 | if (unlikely (scn == NULL)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 1017 | error (EXIT_FAILURE, 0, gettext ("cannot get section: %s"), |
| 1018 | elf_errmsg (-1)); |
| 1019 | |
| 1020 | /* Get the section header. */ |
Ulrich Drepper | d044952 | 2005-09-03 07:23:52 +0000 | [diff] [blame] | 1021 | GElf_Shdr shdr_mem; |
| 1022 | GElf_Shdr *shdr = gelf_getshdr (scn, &shdr_mem); |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 1023 | if (unlikely (shdr == NULL)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 1024 | error (EXIT_FAILURE, 0, |
| 1025 | gettext ("cannot get section header: %s"), |
| 1026 | elf_errmsg (-1)); |
| 1027 | |
| 1028 | if (shdr->sh_size > 0 |
| 1029 | /* Compare allocated sections by VMA, unallocated |
| 1030 | sections by file offset. */ |
| 1031 | && (shdr->sh_flags & SHF_ALLOC |
| 1032 | ? (shdr->sh_addr >= phdr->p_vaddr |
| 1033 | && (shdr->sh_addr + shdr->sh_size |
| 1034 | <= phdr->p_vaddr + phdr->p_memsz)) |
| 1035 | : (shdr->sh_offset >= phdr->p_offset |
| 1036 | && (shdr->sh_offset + shdr->sh_size |
| 1037 | <= phdr->p_offset + phdr->p_filesz)))) |
| 1038 | { |
| 1039 | if (has_relro && !in_relro |
| 1040 | && shdr->sh_addr >= relro_from |
| 1041 | && shdr->sh_addr + shdr->sh_size <= relro_to) |
| 1042 | { |
| 1043 | fputs_unlocked (" [RELRO:", stdout); |
| 1044 | in_relro = true; |
| 1045 | } |
| 1046 | else if (has_relro && in_relro && shdr->sh_addr >= relro_to) |
| 1047 | { |
| 1048 | fputs_unlocked ("]", stdout); |
| 1049 | in_relro = false; |
| 1050 | } |
| 1051 | else if (has_relro && in_relro |
| 1052 | && shdr->sh_addr + shdr->sh_size > relro_to) |
| 1053 | fputs_unlocked ("] <RELRO:", stdout); |
| 1054 | else if (phdr->p_type == PT_LOAD && (phdr->p_flags & PF_W) == 0) |
| 1055 | { |
| 1056 | if (!in_ro) |
| 1057 | { |
| 1058 | fputs_unlocked (" [RO:", stdout); |
| 1059 | in_ro = true; |
| 1060 | } |
| 1061 | } |
| 1062 | else |
| 1063 | { |
| 1064 | /* Determine the segment this section is part of. */ |
| 1065 | size_t cnt2; |
| 1066 | GElf_Phdr *phdr2 = NULL; |
| 1067 | for (cnt2 = 0; cnt2 < ehdr->e_phnum; ++cnt2) |
| 1068 | { |
| 1069 | GElf_Phdr phdr2_mem; |
| 1070 | phdr2 = gelf_getphdr (ebl->elf, cnt2, &phdr2_mem); |
| 1071 | |
| 1072 | if (phdr2 != NULL && phdr2->p_type == PT_LOAD |
| 1073 | && shdr->sh_addr >= phdr2->p_vaddr |
| 1074 | && (shdr->sh_addr + shdr->sh_size |
| 1075 | <= phdr2->p_vaddr + phdr2->p_memsz)) |
| 1076 | break; |
| 1077 | } |
| 1078 | |
| 1079 | if (cnt2 < ehdr->e_phnum) |
| 1080 | { |
| 1081 | if ((phdr2->p_flags & PF_W) == 0 && !in_ro) |
| 1082 | { |
| 1083 | fputs_unlocked (" [RO:", stdout); |
| 1084 | in_ro = true; |
| 1085 | } |
| 1086 | else if ((phdr2->p_flags & PF_W) != 0 && in_ro) |
| 1087 | { |
| 1088 | fputs_unlocked ("]", stdout); |
| 1089 | in_ro = false; |
| 1090 | } |
| 1091 | } |
| 1092 | } |
| 1093 | |
| 1094 | printf (" %s", |
| 1095 | elf_strptr (ebl->elf, shstrndx, shdr->sh_name)); |
| 1096 | |
| 1097 | /* Signal that this sectin is only partially covered. */ |
| 1098 | if (has_relro && in_relro |
| 1099 | && shdr->sh_addr + shdr->sh_size > relro_to) |
| 1100 | { |
| 1101 | fputs_unlocked (">", stdout); |
| 1102 | in_relro = false; |
| 1103 | } |
| 1104 | } |
| 1105 | } |
| 1106 | if (in_relro || in_ro) |
| 1107 | fputs_unlocked ("]", stdout); |
| 1108 | |
| 1109 | /* Finish the line. */ |
| 1110 | fputc_unlocked ('\n', stdout); |
| 1111 | } |
| 1112 | } |
| 1113 | |
| 1114 | |
| 1115 | static void |
| 1116 | handle_scngrp (Ebl *ebl, Elf_Scn *scn, GElf_Shdr *shdr) |
| 1117 | { |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 1118 | /* Get the data of the section. */ |
Ulrich Drepper | d044952 | 2005-09-03 07:23:52 +0000 | [diff] [blame] | 1119 | Elf_Data *data = elf_getdata (scn, NULL); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 1120 | |
Ulrich Drepper | d044952 | 2005-09-03 07:23:52 +0000 | [diff] [blame] | 1121 | Elf_Scn *symscn = elf_getscn (ebl->elf, shdr->sh_link); |
| 1122 | GElf_Shdr symshdr_mem; |
| 1123 | GElf_Shdr *symshdr = gelf_getshdr (symscn, &symshdr_mem); |
| 1124 | Elf_Data *symdata = elf_getdata (symscn, NULL); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 1125 | |
| 1126 | if (data == NULL || data->d_size < sizeof (Elf32_Word) || symshdr == NULL |
| 1127 | || symdata == NULL) |
| 1128 | return; |
| 1129 | |
| 1130 | /* Get the section header string table index. */ |
Ulrich Drepper | d044952 | 2005-09-03 07:23:52 +0000 | [diff] [blame] | 1131 | size_t shstrndx; |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 1132 | if (unlikely (elf_getshstrndx (ebl->elf, &shstrndx) < 0)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 1133 | error (EXIT_FAILURE, 0, |
| 1134 | gettext ("cannot get section header string table index")); |
| 1135 | |
Ulrich Drepper | d044952 | 2005-09-03 07:23:52 +0000 | [diff] [blame] | 1136 | Elf32_Word *grpref = (Elf32_Word *) data->d_buf; |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 1137 | |
Ulrich Drepper | d044952 | 2005-09-03 07:23:52 +0000 | [diff] [blame] | 1138 | GElf_Sym sym_mem; |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 1139 | printf ((grpref[0] & GRP_COMDAT) |
| 1140 | ? ngettext ("\ |
| 1141 | \nCOMDAT section group [%2zu] '%s' with signature '%s' contains %zu entry:\n", |
| 1142 | "\ |
| 1143 | \nCOMDAT section group [%2zu] '%s' with signature '%s' contains %zu entries:\n", |
| 1144 | data->d_size / sizeof (Elf32_Word) - 1) |
| 1145 | : ngettext ("\ |
| 1146 | \nSection group [%2zu] '%s' with signature '%s' contains %zu entry:\n", "\ |
| 1147 | \nSection group [%2zu] '%s' with signature '%s' contains %zu entries:\n", |
| 1148 | data->d_size / sizeof (Elf32_Word) - 1), |
| 1149 | elf_ndxscn (scn), |
| 1150 | elf_strptr (ebl->elf, shstrndx, shdr->sh_name), |
| 1151 | elf_strptr (ebl->elf, symshdr->sh_link, |
| 1152 | gelf_getsym (symdata, shdr->sh_info, &sym_mem)->st_name) |
| 1153 | ?: gettext ("<INVALID SYMBOL>"), |
| 1154 | data->d_size / sizeof (Elf32_Word) - 1); |
| 1155 | |
Ulrich Drepper | d044952 | 2005-09-03 07:23:52 +0000 | [diff] [blame] | 1156 | for (size_t cnt = 1; cnt < data->d_size / sizeof (Elf32_Word); ++cnt) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 1157 | { |
| 1158 | GElf_Shdr grpshdr_mem; |
Ulrich Drepper | d044952 | 2005-09-03 07:23:52 +0000 | [diff] [blame] | 1159 | GElf_Shdr *grpshdr = gelf_getshdr (elf_getscn (ebl->elf, grpref[cnt]), |
| 1160 | &grpshdr_mem); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 1161 | |
Ulrich Drepper | d044952 | 2005-09-03 07:23:52 +0000 | [diff] [blame] | 1162 | const char *str; |
| 1163 | printf (" [%2u] %s\n", |
| 1164 | grpref[cnt], |
| 1165 | grpshdr != NULL |
| 1166 | && (str = elf_strptr (ebl->elf, shstrndx, grpshdr->sh_name)) |
| 1167 | ? str : gettext ("<INVALID SECTION>")); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 1168 | } |
| 1169 | } |
| 1170 | |
| 1171 | |
| 1172 | static void |
| 1173 | print_scngrp (Ebl *ebl) |
| 1174 | { |
| 1175 | /* Find all relocation sections and handle them. */ |
| 1176 | Elf_Scn *scn = NULL; |
| 1177 | |
| 1178 | while ((scn = elf_nextscn (ebl->elf, scn)) != NULL) |
| 1179 | { |
| 1180 | /* Handle the section if it is a symbol table. */ |
| 1181 | GElf_Shdr shdr_mem; |
| 1182 | GElf_Shdr *shdr = gelf_getshdr (scn, &shdr_mem); |
| 1183 | |
| 1184 | if (shdr != NULL && shdr->sh_type == SHT_GROUP) |
| 1185 | handle_scngrp (ebl, scn, shdr); |
| 1186 | } |
| 1187 | } |
| 1188 | |
| 1189 | |
| 1190 | static const struct flags |
| 1191 | { |
| 1192 | int mask; |
| 1193 | const char *str; |
| 1194 | } dt_flags[] = |
| 1195 | { |
| 1196 | { DF_ORIGIN, "ORIGIN" }, |
| 1197 | { DF_SYMBOLIC, "SYMBOLIC" }, |
| 1198 | { DF_TEXTREL, "TEXTREL" }, |
| 1199 | { DF_BIND_NOW, "BIND_NOW" }, |
| 1200 | { DF_STATIC_TLS, "STATIC_TLS" } |
| 1201 | }; |
| 1202 | static const int ndt_flags = sizeof (dt_flags) / sizeof (dt_flags[0]); |
| 1203 | |
| 1204 | static const struct flags dt_flags_1[] = |
| 1205 | { |
| 1206 | { DF_1_NOW, "NOW" }, |
| 1207 | { DF_1_GLOBAL, "GLOBAL" }, |
| 1208 | { DF_1_GROUP, "GROUP" }, |
| 1209 | { DF_1_NODELETE, "NODELETE" }, |
| 1210 | { DF_1_LOADFLTR, "LOADFLTR" }, |
| 1211 | { DF_1_INITFIRST, "INITFIRST" }, |
| 1212 | { DF_1_NOOPEN, "NOOPEN" }, |
| 1213 | { DF_1_ORIGIN, "ORIGIN" }, |
| 1214 | { DF_1_DIRECT, "DIRECT" }, |
| 1215 | { DF_1_TRANS, "TRANS" }, |
| 1216 | { DF_1_INTERPOSE, "INTERPOSE" }, |
| 1217 | { DF_1_NODEFLIB, "NODEFLIB" }, |
| 1218 | { DF_1_NODUMP, "NODUMP" }, |
| 1219 | { DF_1_CONFALT, "CONFALT" }, |
| 1220 | { DF_1_ENDFILTEE, "ENDFILTEE" }, |
| 1221 | { DF_1_DISPRELDNE, "DISPRELDNE" }, |
| 1222 | { DF_1_DISPRELPND, "DISPRELPND" }, |
| 1223 | }; |
| 1224 | static const int ndt_flags_1 = sizeof (dt_flags_1) / sizeof (dt_flags_1[0]); |
| 1225 | |
| 1226 | static const struct flags dt_feature_1[] = |
| 1227 | { |
| 1228 | { DTF_1_PARINIT, "PARINIT" }, |
| 1229 | { DTF_1_CONFEXP, "CONFEXP" } |
| 1230 | }; |
| 1231 | static const int ndt_feature_1 = (sizeof (dt_feature_1) |
| 1232 | / sizeof (dt_feature_1[0])); |
| 1233 | |
| 1234 | static const struct flags dt_posflag_1[] = |
| 1235 | { |
| 1236 | { DF_P1_LAZYLOAD, "LAZYLOAD" }, |
| 1237 | { DF_P1_GROUPPERM, "GROUPPERM" } |
| 1238 | }; |
| 1239 | static const int ndt_posflag_1 = (sizeof (dt_posflag_1) |
| 1240 | / sizeof (dt_posflag_1[0])); |
| 1241 | |
| 1242 | |
| 1243 | static void |
| 1244 | print_flags (int class, GElf_Xword d_val, const struct flags *flags, |
| 1245 | int nflags) |
| 1246 | { |
| 1247 | bool first = true; |
| 1248 | int cnt; |
| 1249 | |
| 1250 | for (cnt = 0; cnt < nflags; ++cnt) |
| 1251 | if (d_val & flags[cnt].mask) |
| 1252 | { |
| 1253 | if (!first) |
| 1254 | putchar_unlocked (' '); |
| 1255 | fputs_unlocked (flags[cnt].str, stdout); |
| 1256 | d_val &= ~flags[cnt].mask; |
| 1257 | first = false; |
| 1258 | } |
| 1259 | |
| 1260 | if (d_val != 0) |
| 1261 | { |
| 1262 | if (!first) |
| 1263 | putchar_unlocked (' '); |
| 1264 | printf ("%#0*" PRIx64, class == ELFCLASS32 ? 10 : 18, d_val); |
| 1265 | } |
| 1266 | |
| 1267 | putchar_unlocked ('\n'); |
| 1268 | } |
| 1269 | |
| 1270 | |
| 1271 | static void |
| 1272 | print_dt_flags (int class, GElf_Xword d_val) |
| 1273 | { |
| 1274 | print_flags (class, d_val, dt_flags, ndt_flags); |
| 1275 | } |
| 1276 | |
| 1277 | |
| 1278 | static void |
| 1279 | print_dt_flags_1 (int class, GElf_Xword d_val) |
| 1280 | { |
| 1281 | print_flags (class, d_val, dt_flags_1, ndt_flags_1); |
| 1282 | } |
| 1283 | |
| 1284 | |
| 1285 | static void |
| 1286 | print_dt_feature_1 (int class, GElf_Xword d_val) |
| 1287 | { |
| 1288 | print_flags (class, d_val, dt_feature_1, ndt_feature_1); |
| 1289 | } |
| 1290 | |
| 1291 | |
| 1292 | static void |
| 1293 | print_dt_posflag_1 (int class, GElf_Xword d_val) |
| 1294 | { |
| 1295 | print_flags (class, d_val, dt_posflag_1, ndt_posflag_1); |
| 1296 | } |
| 1297 | |
| 1298 | |
| 1299 | static void |
| 1300 | handle_dynamic (Ebl *ebl, Elf_Scn *scn, GElf_Shdr *shdr) |
| 1301 | { |
| 1302 | int class = gelf_getclass (ebl->elf); |
| 1303 | GElf_Shdr glink; |
| 1304 | Elf_Data *data; |
| 1305 | size_t cnt; |
| 1306 | size_t shstrndx; |
| 1307 | |
| 1308 | /* Get the data of the section. */ |
| 1309 | data = elf_getdata (scn, NULL); |
| 1310 | if (data == NULL) |
| 1311 | return; |
| 1312 | |
| 1313 | /* Get the section header string table index. */ |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 1314 | if (unlikely (elf_getshstrndx (ebl->elf, &shstrndx) < 0)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 1315 | error (EXIT_FAILURE, 0, |
| 1316 | gettext ("cannot get section header string table index")); |
| 1317 | |
| 1318 | printf (ngettext ("\ |
| 1319 | \nDynamic segment contains %lu entry:\n Addr: %#0*" PRIx64 " Offset: %#08" PRIx64 " Link to section: [%2u] '%s'\n", |
| 1320 | "\ |
| 1321 | \nDynamic segment contains %lu entries:\n Addr: %#0*" PRIx64 " Offset: %#08" PRIx64 " Link to section: [%2u] '%s'\n", |
| 1322 | shdr->sh_size / shdr->sh_entsize), |
| 1323 | (unsigned long int) (shdr->sh_size / shdr->sh_entsize), |
| 1324 | class == ELFCLASS32 ? 10 : 18, shdr->sh_addr, |
| 1325 | shdr->sh_offset, |
| 1326 | (int) shdr->sh_link, |
| 1327 | elf_strptr (ebl->elf, shstrndx, |
| 1328 | gelf_getshdr (elf_getscn (ebl->elf, shdr->sh_link), |
| 1329 | &glink)->sh_name)); |
| 1330 | fputs_unlocked (gettext (" Type Value\n"), stdout); |
| 1331 | |
| 1332 | for (cnt = 0; cnt < shdr->sh_size / shdr->sh_entsize; ++cnt) |
| 1333 | { |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 1334 | GElf_Dyn dynmem; |
Ulrich Drepper | d044952 | 2005-09-03 07:23:52 +0000 | [diff] [blame] | 1335 | GElf_Dyn *dyn = gelf_getdyn (data, cnt, &dynmem); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 1336 | if (dyn == NULL) |
| 1337 | break; |
| 1338 | |
Ulrich Drepper | d044952 | 2005-09-03 07:23:52 +0000 | [diff] [blame] | 1339 | char buf[64]; |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 1340 | printf (" %-17s ", |
| 1341 | ebl_dynamic_tag_name (ebl, dyn->d_tag, buf, sizeof (buf))); |
| 1342 | |
| 1343 | switch (dyn->d_tag) |
| 1344 | { |
| 1345 | case DT_NULL: |
| 1346 | case DT_DEBUG: |
| 1347 | case DT_BIND_NOW: |
| 1348 | case DT_TEXTREL: |
| 1349 | /* No further output. */ |
Ulrich Drepper | d044952 | 2005-09-03 07:23:52 +0000 | [diff] [blame] | 1350 | fputc_unlocked ('\n', stdout); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 1351 | break; |
| 1352 | |
| 1353 | case DT_NEEDED: |
| 1354 | printf (gettext ("Shared library: [%s]\n"), |
| 1355 | elf_strptr (ebl->elf, shdr->sh_link, dyn->d_un.d_val)); |
| 1356 | break; |
| 1357 | |
| 1358 | case DT_SONAME: |
| 1359 | printf (gettext ("Library soname: [%s]\n"), |
| 1360 | elf_strptr (ebl->elf, shdr->sh_link, dyn->d_un.d_val)); |
| 1361 | break; |
| 1362 | |
| 1363 | case DT_RPATH: |
| 1364 | printf (gettext ("Library rpath: [%s]\n"), |
| 1365 | elf_strptr (ebl->elf, shdr->sh_link, dyn->d_un.d_val)); |
| 1366 | break; |
| 1367 | |
| 1368 | case DT_RUNPATH: |
| 1369 | printf (gettext ("Library runpath: [%s]\n"), |
| 1370 | elf_strptr (ebl->elf, shdr->sh_link, dyn->d_un.d_val)); |
| 1371 | break; |
| 1372 | |
| 1373 | case DT_PLTRELSZ: |
| 1374 | case DT_RELASZ: |
| 1375 | case DT_STRSZ: |
| 1376 | case DT_RELSZ: |
| 1377 | case DT_RELAENT: |
| 1378 | case DT_SYMENT: |
| 1379 | case DT_RELENT: |
| 1380 | case DT_PLTPADSZ: |
| 1381 | case DT_MOVEENT: |
| 1382 | case DT_MOVESZ: |
| 1383 | case DT_INIT_ARRAYSZ: |
| 1384 | case DT_FINI_ARRAYSZ: |
| 1385 | case DT_SYMINSZ: |
| 1386 | case DT_SYMINENT: |
| 1387 | case DT_GNU_CONFLICTSZ: |
| 1388 | case DT_GNU_LIBLISTSZ: |
| 1389 | printf (gettext ("%" PRId64 " (bytes)\n"), dyn->d_un.d_val); |
| 1390 | break; |
| 1391 | |
| 1392 | case DT_VERDEFNUM: |
| 1393 | case DT_VERNEEDNUM: |
| 1394 | case DT_RELACOUNT: |
| 1395 | case DT_RELCOUNT: |
| 1396 | printf ("%" PRId64 "\n", dyn->d_un.d_val); |
| 1397 | break; |
| 1398 | |
| 1399 | case DT_PLTREL: |
| 1400 | puts (ebl_dynamic_tag_name (ebl, dyn->d_un.d_val, NULL, 0)); |
| 1401 | break; |
| 1402 | |
| 1403 | case DT_FLAGS: |
| 1404 | print_dt_flags (class, dyn->d_un.d_val); |
| 1405 | break; |
| 1406 | |
| 1407 | case DT_FLAGS_1: |
| 1408 | print_dt_flags_1 (class, dyn->d_un.d_val); |
| 1409 | break; |
| 1410 | |
| 1411 | case DT_FEATURE_1: |
| 1412 | print_dt_feature_1 (class, dyn->d_un.d_val); |
| 1413 | break; |
| 1414 | |
| 1415 | case DT_POSFLAG_1: |
| 1416 | print_dt_posflag_1 (class, dyn->d_un.d_val); |
| 1417 | break; |
| 1418 | |
| 1419 | default: |
| 1420 | printf ("%#0*" PRIx64 "\n", |
| 1421 | class == ELFCLASS32 ? 10 : 18, dyn->d_un.d_val); |
| 1422 | break; |
| 1423 | } |
| 1424 | } |
| 1425 | } |
| 1426 | |
| 1427 | |
| 1428 | /* Print the dynamic segment. */ |
| 1429 | static void |
Ulrich Drepper | dbace23 | 2005-08-06 01:37:23 +0000 | [diff] [blame] | 1430 | print_dynamic (Ebl *ebl, GElf_Ehdr *ehdr) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 1431 | { |
Ulrich Drepper | dbace23 | 2005-08-06 01:37:23 +0000 | [diff] [blame] | 1432 | for (int i = 0; i < ehdr->e_phnum; ++i) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 1433 | { |
Ulrich Drepper | dbace23 | 2005-08-06 01:37:23 +0000 | [diff] [blame] | 1434 | GElf_Phdr phdr_mem; |
| 1435 | GElf_Phdr *phdr = gelf_getphdr (ebl->elf, i, &phdr_mem); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 1436 | |
Ulrich Drepper | dbace23 | 2005-08-06 01:37:23 +0000 | [diff] [blame] | 1437 | if (phdr != NULL && phdr->p_type == PT_DYNAMIC) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 1438 | { |
Ulrich Drepper | dbace23 | 2005-08-06 01:37:23 +0000 | [diff] [blame] | 1439 | Elf_Scn *scn = gelf_offscn (ebl->elf, phdr->p_offset); |
| 1440 | GElf_Shdr shdr_mem; |
| 1441 | GElf_Shdr *shdr = gelf_getshdr (scn, &shdr_mem); |
| 1442 | if (shdr != NULL && shdr->sh_type == SHT_DYNAMIC) |
| 1443 | handle_dynamic (ebl, scn, shdr); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 1444 | break; |
| 1445 | } |
| 1446 | } |
| 1447 | } |
| 1448 | |
| 1449 | |
| 1450 | /* Print relocations. */ |
| 1451 | static void |
| 1452 | print_relocs (Ebl *ebl) |
| 1453 | { |
| 1454 | /* Find all relocation sections and handle them. */ |
| 1455 | Elf_Scn *scn = NULL; |
| 1456 | |
| 1457 | while ((scn = elf_nextscn (ebl->elf, scn)) != NULL) |
| 1458 | { |
| 1459 | /* Handle the section if it is a symbol table. */ |
| 1460 | GElf_Shdr shdr_mem; |
| 1461 | GElf_Shdr *shdr = gelf_getshdr (scn, &shdr_mem); |
| 1462 | |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 1463 | if (likely (shdr != NULL)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 1464 | { |
| 1465 | if (shdr->sh_type == SHT_REL) |
| 1466 | handle_relocs_rel (ebl, scn, shdr); |
| 1467 | else if (shdr->sh_type == SHT_RELA) |
| 1468 | handle_relocs_rela (ebl, scn, shdr); |
| 1469 | } |
| 1470 | } |
| 1471 | } |
| 1472 | |
| 1473 | |
| 1474 | /* Handle a relocation section. */ |
| 1475 | static void |
| 1476 | handle_relocs_rel (Ebl *ebl, Elf_Scn *scn, GElf_Shdr *shdr) |
| 1477 | { |
| 1478 | int class = gelf_getclass (ebl->elf); |
| 1479 | int nentries = shdr->sh_size / shdr->sh_entsize; |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 1480 | |
| 1481 | /* Get the data of the section. */ |
Ulrich Drepper | d044952 | 2005-09-03 07:23:52 +0000 | [diff] [blame] | 1482 | Elf_Data *data = elf_getdata (scn, NULL); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 1483 | if (data == NULL) |
| 1484 | return; |
| 1485 | |
| 1486 | /* Get the symbol table information. */ |
Ulrich Drepper | d044952 | 2005-09-03 07:23:52 +0000 | [diff] [blame] | 1487 | Elf_Scn *symscn = elf_getscn (ebl->elf, shdr->sh_link); |
| 1488 | GElf_Shdr symshdr_mem; |
| 1489 | GElf_Shdr *symshdr = gelf_getshdr (symscn, &symshdr_mem); |
| 1490 | Elf_Data *symdata = elf_getdata (symscn, NULL); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 1491 | |
| 1492 | /* Get the section header of the section the relocations are for. */ |
Ulrich Drepper | d044952 | 2005-09-03 07:23:52 +0000 | [diff] [blame] | 1493 | GElf_Shdr destshdr_mem; |
| 1494 | GElf_Shdr *destshdr = gelf_getshdr (elf_getscn (ebl->elf, shdr->sh_info), |
| 1495 | &destshdr_mem); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 1496 | |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 1497 | if (unlikely (symshdr == NULL || symdata == NULL || destshdr == NULL)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 1498 | { |
| 1499 | printf (gettext ("\nInvalid symbol table at offset %#0" PRIx64 "\n"), |
| 1500 | shdr->sh_offset); |
| 1501 | return; |
| 1502 | } |
| 1503 | |
| 1504 | /* Search for the optional extended section index table. */ |
Ulrich Drepper | d044952 | 2005-09-03 07:23:52 +0000 | [diff] [blame] | 1505 | Elf_Data *xndxdata = NULL; |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 1506 | int xndxscnidx = elf_scnshndx (scn); |
| 1507 | if (unlikely (xndxscnidx > 0)) |
| 1508 | xndxdata = elf_getdata (elf_getscn (ebl->elf, xndxscnidx), NULL); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 1509 | |
| 1510 | /* Get the section header string table index. */ |
Ulrich Drepper | d044952 | 2005-09-03 07:23:52 +0000 | [diff] [blame] | 1511 | size_t shstrndx; |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 1512 | if (unlikely (elf_getshstrndx (ebl->elf, &shstrndx) < 0)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 1513 | error (EXIT_FAILURE, 0, |
| 1514 | gettext ("cannot get section header string table index")); |
| 1515 | |
| 1516 | if (shdr->sh_info != 0) |
| 1517 | printf (ngettext ("\ |
Ulrich Drepper | 351bf20 | 2009-01-15 20:18:40 -0800 | [diff] [blame] | 1518 | \nRelocation section [%2zu] '%s' for section [%2u] '%s' at offset %#0" PRIx64 " contains %d entry:\n", |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 1519 | "\ |
Ulrich Drepper | 351bf20 | 2009-01-15 20:18:40 -0800 | [diff] [blame] | 1520 | \nRelocation section [%2zu] '%s' for section [%2u] '%s' at offset %#0" PRIx64 " contains %d entries:\n", |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 1521 | nentries), |
Ulrich Drepper | 351bf20 | 2009-01-15 20:18:40 -0800 | [diff] [blame] | 1522 | elf_ndxscn (scn), |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 1523 | elf_strptr (ebl->elf, shstrndx, shdr->sh_name), |
| 1524 | (unsigned int) shdr->sh_info, |
| 1525 | elf_strptr (ebl->elf, shstrndx, destshdr->sh_name), |
| 1526 | shdr->sh_offset, |
| 1527 | nentries); |
| 1528 | else |
| 1529 | /* The .rel.dyn section does not refer to a specific section but |
| 1530 | instead of section index zero. Do not try to print a section |
| 1531 | name. */ |
| 1532 | printf (ngettext ("\ |
| 1533 | \nRelocation section [%2u] '%s' at offset %#0" PRIx64 " contains %d entry:\n", |
| 1534 | "\ |
| 1535 | \nRelocation section [%2u] '%s' at offset %#0" PRIx64 " contains %d entries:\n", |
| 1536 | nentries), |
| 1537 | (unsigned int) elf_ndxscn (scn), |
| 1538 | elf_strptr (ebl->elf, shstrndx, shdr->sh_name), |
| 1539 | shdr->sh_offset, |
| 1540 | nentries); |
| 1541 | fputs_unlocked (class == ELFCLASS32 |
| 1542 | ? gettext ("\ |
| 1543 | Offset Type Value Name\n") |
| 1544 | : gettext ("\ |
| 1545 | Offset Type Value Name\n"), |
| 1546 | stdout); |
| 1547 | |
Ulrich Drepper | d044952 | 2005-09-03 07:23:52 +0000 | [diff] [blame] | 1548 | for (int cnt = 0; cnt < nentries; ++cnt) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 1549 | { |
| 1550 | GElf_Rel relmem; |
Ulrich Drepper | d044952 | 2005-09-03 07:23:52 +0000 | [diff] [blame] | 1551 | GElf_Rel *rel = gelf_getrel (data, cnt, &relmem); |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 1552 | if (likely (rel != NULL)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 1553 | { |
| 1554 | char buf[128]; |
| 1555 | GElf_Sym symmem; |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 1556 | Elf32_Word xndx; |
Ulrich Drepper | d044952 | 2005-09-03 07:23:52 +0000 | [diff] [blame] | 1557 | GElf_Sym *sym = gelf_getsymshndx (symdata, xndxdata, |
| 1558 | GELF_R_SYM (rel->r_info), |
| 1559 | &symmem, &xndx); |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 1560 | if (unlikely (sym == NULL)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 1561 | printf (" %#0*" PRIx64 " %-20s <%s %ld>\n", |
| 1562 | class == ELFCLASS32 ? 10 : 18, rel->r_offset, |
| 1563 | ebl_reloc_type_check (ebl, GELF_R_TYPE (rel->r_info)) |
| 1564 | /* Avoid the leading R_ which isn't carrying any |
| 1565 | information. */ |
| 1566 | ? ebl_reloc_type_name (ebl, GELF_R_TYPE (rel->r_info), |
| 1567 | buf, sizeof (buf)) + 2 |
| 1568 | : gettext ("<INVALID RELOC>"), |
| 1569 | gettext ("INVALID SYMBOL"), |
| 1570 | (long int) GELF_R_SYM (rel->r_info)); |
| 1571 | else if (GELF_ST_TYPE (sym->st_info) != STT_SECTION) |
| 1572 | printf (" %#0*" PRIx64 " %-20s %#0*" PRIx64 " %s\n", |
| 1573 | class == ELFCLASS32 ? 10 : 18, rel->r_offset, |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 1574 | likely (ebl_reloc_type_check (ebl, |
| 1575 | GELF_R_TYPE (rel->r_info))) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 1576 | /* Avoid the leading R_ which isn't carrying any |
| 1577 | information. */ |
| 1578 | ? ebl_reloc_type_name (ebl, GELF_R_TYPE (rel->r_info), |
| 1579 | buf, sizeof (buf)) + 2 |
| 1580 | : gettext ("<INVALID RELOC>"), |
| 1581 | class == ELFCLASS32 ? 10 : 18, sym->st_value, |
| 1582 | elf_strptr (ebl->elf, symshdr->sh_link, sym->st_name)); |
| 1583 | else |
| 1584 | { |
| 1585 | destshdr = gelf_getshdr (elf_getscn (ebl->elf, |
| 1586 | sym->st_shndx == SHN_XINDEX |
| 1587 | ? xndx : sym->st_shndx), |
| 1588 | &destshdr_mem); |
| 1589 | |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 1590 | if (unlikely (destshdr == NULL)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 1591 | printf (" %#0*" PRIx64 " %-20s <%s %ld>\n", |
| 1592 | class == ELFCLASS32 ? 10 : 18, rel->r_offset, |
| 1593 | ebl_reloc_type_check (ebl, GELF_R_TYPE (rel->r_info)) |
| 1594 | /* Avoid the leading R_ which isn't carrying any |
| 1595 | information. */ |
| 1596 | ? ebl_reloc_type_name (ebl, GELF_R_TYPE (rel->r_info), |
| 1597 | buf, sizeof (buf)) + 2 |
| 1598 | : gettext ("<INVALID RELOC>"), |
| 1599 | gettext ("INVALID SECTION"), |
| 1600 | (long int) (sym->st_shndx == SHN_XINDEX |
| 1601 | ? xndx : sym->st_shndx)); |
| 1602 | else |
| 1603 | printf (" %#0*" PRIx64 " %-20s %#0*" PRIx64 " %s\n", |
| 1604 | class == ELFCLASS32 ? 10 : 18, rel->r_offset, |
| 1605 | ebl_reloc_type_check (ebl, GELF_R_TYPE (rel->r_info)) |
| 1606 | /* Avoid the leading R_ which isn't carrying any |
| 1607 | information. */ |
| 1608 | ? ebl_reloc_type_name (ebl, GELF_R_TYPE (rel->r_info), |
| 1609 | buf, sizeof (buf)) + 2 |
| 1610 | : gettext ("<INVALID RELOC>"), |
| 1611 | class == ELFCLASS32 ? 10 : 18, sym->st_value, |
| 1612 | elf_strptr (ebl->elf, shstrndx, destshdr->sh_name)); |
| 1613 | } |
| 1614 | } |
| 1615 | } |
| 1616 | } |
| 1617 | |
| 1618 | |
| 1619 | /* Handle a relocation section. */ |
| 1620 | static void |
| 1621 | handle_relocs_rela (Ebl *ebl, Elf_Scn *scn, GElf_Shdr *shdr) |
| 1622 | { |
| 1623 | int class = gelf_getclass (ebl->elf); |
| 1624 | int nentries = shdr->sh_size / shdr->sh_entsize; |
| 1625 | |
| 1626 | /* Get the data of the section. */ |
| 1627 | Elf_Data *data = elf_getdata (scn, NULL); |
| 1628 | if (data == NULL) |
| 1629 | return; |
| 1630 | |
| 1631 | /* Get the symbol table information. */ |
| 1632 | Elf_Scn *symscn = elf_getscn (ebl->elf, shdr->sh_link); |
| 1633 | GElf_Shdr symshdr_mem; |
| 1634 | GElf_Shdr *symshdr = gelf_getshdr (symscn, &symshdr_mem); |
| 1635 | Elf_Data *symdata = elf_getdata (symscn, NULL); |
| 1636 | |
| 1637 | /* Get the section header of the section the relocations are for. */ |
| 1638 | GElf_Shdr destshdr_mem; |
| 1639 | GElf_Shdr *destshdr = gelf_getshdr (elf_getscn (ebl->elf, shdr->sh_info), |
| 1640 | &destshdr_mem); |
| 1641 | |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 1642 | if (unlikely (symshdr == NULL || symdata == NULL || destshdr == NULL)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 1643 | { |
| 1644 | printf (gettext ("\nInvalid symbol table at offset %#0" PRIx64 "\n"), |
| 1645 | shdr->sh_offset); |
| 1646 | return; |
| 1647 | } |
| 1648 | |
| 1649 | /* Search for the optional extended section index table. */ |
| 1650 | Elf_Data *xndxdata = NULL; |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 1651 | int xndxscnidx = elf_scnshndx (scn); |
| 1652 | if (unlikely (xndxscnidx > 0)) |
| 1653 | xndxdata = elf_getdata (elf_getscn (ebl->elf, xndxscnidx), NULL); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 1654 | |
| 1655 | /* Get the section header string table index. */ |
| 1656 | size_t shstrndx; |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 1657 | if (unlikely (elf_getshstrndx (ebl->elf, &shstrndx) < 0)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 1658 | error (EXIT_FAILURE, 0, |
| 1659 | gettext ("cannot get section header string table index")); |
| 1660 | |
| 1661 | printf (ngettext ("\ |
| 1662 | \nRelocation section [%2zu] '%s' for section [%2u] '%s' at offset %#0" PRIx64 " contains %d entry:\n", |
| 1663 | "\ |
| 1664 | \nRelocation section [%2zu] '%s' for section [%2u] '%s' at offset %#0" PRIx64 " contains %d entries:\n", |
| 1665 | nentries), |
| 1666 | elf_ndxscn (scn), |
| 1667 | elf_strptr (ebl->elf, shstrndx, shdr->sh_name), |
| 1668 | (unsigned int) shdr->sh_info, |
| 1669 | elf_strptr (ebl->elf, shstrndx, destshdr->sh_name), |
| 1670 | shdr->sh_offset, |
| 1671 | nentries); |
| 1672 | fputs_unlocked (class == ELFCLASS32 |
| 1673 | ? gettext ("\ |
| 1674 | Offset Type Value Addend Name\n") |
| 1675 | : gettext ("\ |
| 1676 | Offset Type Value Addend Name\n"), |
| 1677 | stdout); |
| 1678 | |
| 1679 | for (int cnt = 0; cnt < nentries; ++cnt) |
| 1680 | { |
| 1681 | GElf_Rela relmem; |
| 1682 | GElf_Rela *rel = gelf_getrela (data, cnt, &relmem); |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 1683 | if (likely (rel != NULL)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 1684 | { |
| 1685 | char buf[64]; |
| 1686 | GElf_Sym symmem; |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 1687 | Elf32_Word xndx; |
Ulrich Drepper | d044952 | 2005-09-03 07:23:52 +0000 | [diff] [blame] | 1688 | GElf_Sym *sym = gelf_getsymshndx (symdata, xndxdata, |
| 1689 | GELF_R_SYM (rel->r_info), |
| 1690 | &symmem, &xndx); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 1691 | |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 1692 | if (unlikely (sym == NULL)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 1693 | printf (" %#0*" PRIx64 " %-15s <%s %ld>\n", |
| 1694 | class == ELFCLASS32 ? 10 : 18, rel->r_offset, |
| 1695 | ebl_reloc_type_check (ebl, GELF_R_TYPE (rel->r_info)) |
| 1696 | /* Avoid the leading R_ which isn't carrying any |
| 1697 | information. */ |
| 1698 | ? ebl_reloc_type_name (ebl, GELF_R_TYPE (rel->r_info), |
| 1699 | buf, sizeof (buf)) + 2 |
| 1700 | : gettext ("<INVALID RELOC>"), |
| 1701 | gettext ("INVALID SYMBOL"), |
| 1702 | (long int) GELF_R_SYM (rel->r_info)); |
| 1703 | else if (GELF_ST_TYPE (sym->st_info) != STT_SECTION) |
| 1704 | printf ("\ |
Ulrich Drepper | 2cb8e73 | 2006-05-27 21:57:27 +0000 | [diff] [blame] | 1705 | %#0*" PRIx64 " %-15s %#0*" PRIx64 " %+6" PRId64 " %s\n", |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 1706 | class == ELFCLASS32 ? 10 : 18, rel->r_offset, |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 1707 | likely (ebl_reloc_type_check (ebl, |
| 1708 | GELF_R_TYPE (rel->r_info))) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 1709 | /* Avoid the leading R_ which isn't carrying any |
| 1710 | information. */ |
| 1711 | ? ebl_reloc_type_name (ebl, GELF_R_TYPE (rel->r_info), |
| 1712 | buf, sizeof (buf)) + 2 |
| 1713 | : gettext ("<INVALID RELOC>"), |
| 1714 | class == ELFCLASS32 ? 10 : 18, sym->st_value, |
| 1715 | rel->r_addend, |
| 1716 | elf_strptr (ebl->elf, symshdr->sh_link, sym->st_name)); |
| 1717 | else |
| 1718 | { |
| 1719 | destshdr = gelf_getshdr (elf_getscn (ebl->elf, |
| 1720 | sym->st_shndx == SHN_XINDEX |
| 1721 | ? xndx : sym->st_shndx), |
| 1722 | &destshdr_mem); |
| 1723 | |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 1724 | if (unlikely (shdr == NULL)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 1725 | printf (" %#0*" PRIx64 " %-15s <%s %ld>\n", |
| 1726 | class == ELFCLASS32 ? 10 : 18, rel->r_offset, |
| 1727 | ebl_reloc_type_check (ebl, GELF_R_TYPE (rel->r_info)) |
| 1728 | /* Avoid the leading R_ which isn't carrying any |
| 1729 | information. */ |
| 1730 | ? ebl_reloc_type_name (ebl, GELF_R_TYPE (rel->r_info), |
| 1731 | buf, sizeof (buf)) + 2 |
| 1732 | : gettext ("<INVALID RELOC>"), |
| 1733 | gettext ("INVALID SECTION"), |
| 1734 | (long int) (sym->st_shndx == SHN_XINDEX |
| 1735 | ? xndx : sym->st_shndx)); |
| 1736 | else |
| 1737 | printf ("\ |
Ulrich Drepper | 2cb8e73 | 2006-05-27 21:57:27 +0000 | [diff] [blame] | 1738 | %#0*" PRIx64 " %-15s %#0*" PRIx64 " %+6" PRId64 " %s\n", |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 1739 | class == ELFCLASS32 ? 10 : 18, rel->r_offset, |
| 1740 | ebl_reloc_type_check (ebl, GELF_R_TYPE (rel->r_info)) |
| 1741 | /* Avoid the leading R_ which isn't carrying any |
| 1742 | information. */ |
| 1743 | ? ebl_reloc_type_name (ebl, GELF_R_TYPE (rel->r_info), |
| 1744 | buf, sizeof (buf)) + 2 |
| 1745 | : gettext ("<INVALID RELOC>"), |
| 1746 | class == ELFCLASS32 ? 10 : 18, sym->st_value, |
| 1747 | rel->r_addend, |
| 1748 | elf_strptr (ebl->elf, shstrndx, destshdr->sh_name)); |
| 1749 | } |
| 1750 | } |
| 1751 | } |
| 1752 | } |
| 1753 | |
| 1754 | |
| 1755 | /* Print the program header. */ |
| 1756 | static void |
| 1757 | print_symtab (Ebl *ebl, int type) |
| 1758 | { |
| 1759 | /* Find the symbol table(s). For this we have to search through the |
| 1760 | section table. */ |
| 1761 | Elf_Scn *scn = NULL; |
| 1762 | |
| 1763 | while ((scn = elf_nextscn (ebl->elf, scn)) != NULL) |
| 1764 | { |
| 1765 | /* Handle the section if it is a symbol table. */ |
| 1766 | GElf_Shdr shdr_mem; |
| 1767 | GElf_Shdr *shdr = gelf_getshdr (scn, &shdr_mem); |
| 1768 | |
| 1769 | if (shdr != NULL && shdr->sh_type == (GElf_Word) type) |
| 1770 | handle_symtab (ebl, scn, shdr); |
| 1771 | } |
| 1772 | } |
| 1773 | |
| 1774 | |
| 1775 | static void |
| 1776 | handle_symtab (Ebl *ebl, Elf_Scn *scn, GElf_Shdr *shdr) |
| 1777 | { |
| 1778 | Elf_Data *versym_data = NULL; |
| 1779 | Elf_Data *verneed_data = NULL; |
| 1780 | Elf_Data *verdef_data = NULL; |
| 1781 | Elf_Data *xndx_data = NULL; |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 1782 | int class = gelf_getclass (ebl->elf); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 1783 | Elf32_Word verneed_stridx = 0; |
| 1784 | Elf32_Word verdef_stridx = 0; |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 1785 | |
| 1786 | /* Get the data of the section. */ |
Ulrich Drepper | d044952 | 2005-09-03 07:23:52 +0000 | [diff] [blame] | 1787 | Elf_Data *data = elf_getdata (scn, NULL); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 1788 | if (data == NULL) |
| 1789 | return; |
| 1790 | |
| 1791 | /* Find out whether we have other sections we might need. */ |
Ulrich Drepper | d044952 | 2005-09-03 07:23:52 +0000 | [diff] [blame] | 1792 | Elf_Scn *runscn = NULL; |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 1793 | while ((runscn = elf_nextscn (ebl->elf, runscn)) != NULL) |
| 1794 | { |
| 1795 | GElf_Shdr runshdr_mem; |
| 1796 | GElf_Shdr *runshdr = gelf_getshdr (runscn, &runshdr_mem); |
| 1797 | |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 1798 | if (likely (runshdr != NULL)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 1799 | { |
| 1800 | if (runshdr->sh_type == SHT_GNU_versym |
| 1801 | && runshdr->sh_link == elf_ndxscn (scn)) |
| 1802 | /* Bingo, found the version information. Now get the data. */ |
| 1803 | versym_data = elf_getdata (runscn, NULL); |
| 1804 | else if (runshdr->sh_type == SHT_GNU_verneed) |
| 1805 | { |
| 1806 | /* This is the information about the needed versions. */ |
| 1807 | verneed_data = elf_getdata (runscn, NULL); |
| 1808 | verneed_stridx = runshdr->sh_link; |
| 1809 | } |
| 1810 | else if (runshdr->sh_type == SHT_GNU_verdef) |
| 1811 | { |
| 1812 | /* This is the information about the defined versions. */ |
| 1813 | verdef_data = elf_getdata (runscn, NULL); |
| 1814 | verdef_stridx = runshdr->sh_link; |
| 1815 | } |
| 1816 | else if (runshdr->sh_type == SHT_SYMTAB_SHNDX |
| 1817 | && runshdr->sh_link == elf_ndxscn (scn)) |
| 1818 | /* Extended section index. */ |
| 1819 | xndx_data = elf_getdata (runscn, NULL); |
| 1820 | } |
| 1821 | } |
| 1822 | |
| 1823 | /* Get the section header string table index. */ |
Ulrich Drepper | d044952 | 2005-09-03 07:23:52 +0000 | [diff] [blame] | 1824 | size_t shstrndx; |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 1825 | if (unlikely (elf_getshstrndx (ebl->elf, &shstrndx) < 0)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 1826 | error (EXIT_FAILURE, 0, |
| 1827 | gettext ("cannot get section header string table index")); |
| 1828 | |
| 1829 | /* Now we can compute the number of entries in the section. */ |
Ulrich Drepper | d044952 | 2005-09-03 07:23:52 +0000 | [diff] [blame] | 1830 | unsigned int nsyms = data->d_size / (class == ELFCLASS32 |
| 1831 | ? sizeof (Elf32_Sym) |
| 1832 | : sizeof (Elf64_Sym)); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 1833 | |
| 1834 | printf (ngettext ("\nSymbol table [%2u] '%s' contains %u entry:\n", |
| 1835 | "\nSymbol table [%2u] '%s' contains %u entries:\n", |
| 1836 | nsyms), |
| 1837 | (unsigned int) elf_ndxscn (scn), |
| 1838 | elf_strptr (ebl->elf, shstrndx, shdr->sh_name), nsyms); |
Ulrich Drepper | d044952 | 2005-09-03 07:23:52 +0000 | [diff] [blame] | 1839 | GElf_Shdr glink; |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 1840 | printf (ngettext (" %lu local symbol String table: [%2u] '%s'\n", |
| 1841 | " %lu local symbols String table: [%2u] '%s'\n", |
| 1842 | shdr->sh_info), |
| 1843 | (unsigned long int) shdr->sh_info, |
| 1844 | (unsigned int) shdr->sh_link, |
| 1845 | elf_strptr (ebl->elf, shstrndx, |
| 1846 | gelf_getshdr (elf_getscn (ebl->elf, shdr->sh_link), |
| 1847 | &glink)->sh_name)); |
| 1848 | |
| 1849 | fputs_unlocked (class == ELFCLASS32 |
| 1850 | ? gettext ("\ |
| 1851 | Num: Value Size Type Bind Vis Ndx Name\n") |
| 1852 | : gettext ("\ |
| 1853 | Num: Value Size Type Bind Vis Ndx Name\n"), |
| 1854 | stdout); |
| 1855 | |
Ulrich Drepper | d044952 | 2005-09-03 07:23:52 +0000 | [diff] [blame] | 1856 | for (unsigned int cnt = 0; cnt < nsyms; ++cnt) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 1857 | { |
| 1858 | char typebuf[64]; |
| 1859 | char bindbuf[64]; |
| 1860 | char scnbuf[64]; |
| 1861 | Elf32_Word xndx; |
| 1862 | GElf_Sym sym_mem; |
| 1863 | GElf_Sym *sym = gelf_getsymshndx (data, xndx_data, cnt, &sym_mem, &xndx); |
| 1864 | |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 1865 | if (unlikely (sym == NULL)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 1866 | continue; |
| 1867 | |
| 1868 | /* Determine the real section index. */ |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 1869 | if (likely (sym->st_shndx != SHN_XINDEX)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 1870 | xndx = sym->st_shndx; |
| 1871 | |
| 1872 | printf (gettext ("\ |
| 1873 | %5u: %0*" PRIx64 " %6" PRId64 " %-7s %-6s %-9s %6s %s"), |
| 1874 | cnt, |
| 1875 | class == ELFCLASS32 ? 8 : 16, |
| 1876 | sym->st_value, |
| 1877 | sym->st_size, |
| 1878 | ebl_symbol_type_name (ebl, GELF_ST_TYPE (sym->st_info), |
| 1879 | typebuf, sizeof (typebuf)), |
| 1880 | ebl_symbol_binding_name (ebl, GELF_ST_BIND (sym->st_info), |
| 1881 | bindbuf, sizeof (bindbuf)), |
| 1882 | get_visibility_type (GELF_ST_VISIBILITY (sym->st_other)), |
| 1883 | ebl_section_name (ebl, sym->st_shndx, xndx, scnbuf, |
| 1884 | sizeof (scnbuf), NULL, shnum), |
| 1885 | elf_strptr (ebl->elf, shdr->sh_link, sym->st_name)); |
| 1886 | |
| 1887 | if (versym_data != NULL) |
| 1888 | { |
| 1889 | /* Get the version information. */ |
| 1890 | GElf_Versym versym_mem; |
Ulrich Drepper | d044952 | 2005-09-03 07:23:52 +0000 | [diff] [blame] | 1891 | GElf_Versym *versym = gelf_getversym (versym_data, cnt, &versym_mem); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 1892 | |
| 1893 | if (versym != NULL && ((*versym & 0x8000) != 0 || *versym > 1)) |
| 1894 | { |
| 1895 | bool is_nobits = false; |
| 1896 | bool check_def = xndx != SHN_UNDEF; |
| 1897 | |
| 1898 | if (xndx < SHN_LORESERVE || sym->st_shndx == SHN_XINDEX) |
| 1899 | { |
| 1900 | GElf_Shdr symshdr_mem; |
| 1901 | GElf_Shdr *symshdr = |
| 1902 | gelf_getshdr (elf_getscn (ebl->elf, xndx), &symshdr_mem); |
| 1903 | |
| 1904 | is_nobits = (symshdr != NULL |
| 1905 | && symshdr->sh_type == SHT_NOBITS); |
| 1906 | } |
| 1907 | |
| 1908 | if (is_nobits || ! check_def) |
| 1909 | { |
| 1910 | /* We must test both. */ |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 1911 | GElf_Vernaux vernaux_mem; |
| 1912 | GElf_Vernaux *vernaux = NULL; |
| 1913 | size_t vn_offset = 0; |
| 1914 | |
Ulrich Drepper | d044952 | 2005-09-03 07:23:52 +0000 | [diff] [blame] | 1915 | GElf_Verneed verneed_mem; |
| 1916 | GElf_Verneed *verneed = gelf_getverneed (verneed_data, 0, |
| 1917 | &verneed_mem); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 1918 | while (verneed != NULL) |
| 1919 | { |
| 1920 | size_t vna_offset = vn_offset; |
| 1921 | |
| 1922 | vernaux = gelf_getvernaux (verneed_data, |
| 1923 | vna_offset += verneed->vn_aux, |
| 1924 | &vernaux_mem); |
| 1925 | while (vernaux != NULL |
| 1926 | && vernaux->vna_other != *versym |
| 1927 | && vernaux->vna_next != 0) |
| 1928 | { |
| 1929 | /* Update the offset. */ |
| 1930 | vna_offset += vernaux->vna_next; |
| 1931 | |
| 1932 | vernaux = (vernaux->vna_next == 0 |
| 1933 | ? NULL |
| 1934 | : gelf_getvernaux (verneed_data, |
| 1935 | vna_offset, |
| 1936 | &vernaux_mem)); |
| 1937 | } |
| 1938 | |
| 1939 | /* Check whether we found the version. */ |
| 1940 | if (vernaux != NULL && vernaux->vna_other == *versym) |
| 1941 | /* Found it. */ |
| 1942 | break; |
| 1943 | |
| 1944 | vn_offset += verneed->vn_next; |
| 1945 | verneed = (verneed->vn_next == 0 |
| 1946 | ? NULL |
| 1947 | : gelf_getverneed (verneed_data, vn_offset, |
| 1948 | &verneed_mem)); |
| 1949 | } |
| 1950 | |
| 1951 | if (vernaux != NULL && vernaux->vna_other == *versym) |
| 1952 | { |
| 1953 | printf ("@%s (%u)", |
| 1954 | elf_strptr (ebl->elf, verneed_stridx, |
| 1955 | vernaux->vna_name), |
| 1956 | (unsigned int) vernaux->vna_other); |
| 1957 | check_def = 0; |
| 1958 | } |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 1959 | else if (unlikely (! is_nobits)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 1960 | error (0, 0, gettext ("bad dynamic symbol")); |
| 1961 | else |
| 1962 | check_def = 1; |
| 1963 | } |
| 1964 | |
| 1965 | if (check_def && *versym != 0x8001) |
| 1966 | { |
| 1967 | /* We must test both. */ |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 1968 | size_t vd_offset = 0; |
| 1969 | |
Ulrich Drepper | d044952 | 2005-09-03 07:23:52 +0000 | [diff] [blame] | 1970 | GElf_Verdef verdef_mem; |
| 1971 | GElf_Verdef *verdef = gelf_getverdef (verdef_data, 0, |
| 1972 | &verdef_mem); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 1973 | while (verdef != NULL) |
| 1974 | { |
| 1975 | if (verdef->vd_ndx == (*versym & 0x7fff)) |
| 1976 | /* Found the definition. */ |
| 1977 | break; |
| 1978 | |
| 1979 | vd_offset += verdef->vd_next; |
| 1980 | verdef = (verdef->vd_next == 0 |
| 1981 | ? NULL |
| 1982 | : gelf_getverdef (verdef_data, vd_offset, |
| 1983 | &verdef_mem)); |
| 1984 | } |
| 1985 | |
| 1986 | if (verdef != NULL) |
| 1987 | { |
| 1988 | GElf_Verdaux verdaux_mem; |
Ulrich Drepper | d044952 | 2005-09-03 07:23:52 +0000 | [diff] [blame] | 1989 | GElf_Verdaux *verdaux |
| 1990 | = gelf_getverdaux (verdef_data, |
| 1991 | vd_offset + verdef->vd_aux, |
| 1992 | &verdaux_mem); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 1993 | |
| 1994 | if (verdaux != NULL) |
| 1995 | printf ((*versym & 0x8000) ? "@%s" : "@@%s", |
| 1996 | elf_strptr (ebl->elf, verdef_stridx, |
| 1997 | verdaux->vda_name)); |
| 1998 | } |
| 1999 | } |
| 2000 | } |
| 2001 | } |
| 2002 | |
Ulrich Drepper | d044952 | 2005-09-03 07:23:52 +0000 | [diff] [blame] | 2003 | putchar_unlocked ('\n'); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 2004 | } |
| 2005 | } |
| 2006 | |
| 2007 | |
| 2008 | /* Print version information. */ |
| 2009 | static void |
| 2010 | print_verinfo (Ebl *ebl) |
| 2011 | { |
| 2012 | /* Find the version information sections. For this we have to |
| 2013 | search through the section table. */ |
| 2014 | Elf_Scn *scn = NULL; |
| 2015 | |
| 2016 | while ((scn = elf_nextscn (ebl->elf, scn)) != NULL) |
| 2017 | { |
| 2018 | /* Handle the section if it is part of the versioning handling. */ |
| 2019 | GElf_Shdr shdr_mem; |
| 2020 | GElf_Shdr *shdr = gelf_getshdr (scn, &shdr_mem); |
| 2021 | |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 2022 | if (likely (shdr != NULL)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 2023 | { |
| 2024 | if (shdr->sh_type == SHT_GNU_verneed) |
| 2025 | handle_verneed (ebl, scn, shdr); |
| 2026 | else if (shdr->sh_type == SHT_GNU_verdef) |
| 2027 | handle_verdef (ebl, scn, shdr); |
| 2028 | else if (shdr->sh_type == SHT_GNU_versym) |
| 2029 | handle_versym (ebl, scn, shdr); |
| 2030 | } |
| 2031 | } |
| 2032 | } |
| 2033 | |
| 2034 | |
| 2035 | static const char * |
| 2036 | get_ver_flags (unsigned int flags) |
| 2037 | { |
| 2038 | static char buf[32]; |
| 2039 | char *endp; |
| 2040 | |
| 2041 | if (flags == 0) |
| 2042 | return gettext ("none"); |
| 2043 | |
| 2044 | if (flags & VER_FLG_BASE) |
| 2045 | endp = stpcpy (buf, "BASE "); |
| 2046 | else |
| 2047 | endp = buf; |
| 2048 | |
| 2049 | if (flags & VER_FLG_WEAK) |
| 2050 | { |
| 2051 | if (endp != buf) |
| 2052 | endp = stpcpy (endp, "| "); |
| 2053 | |
| 2054 | endp = stpcpy (endp, "WEAK "); |
| 2055 | } |
| 2056 | |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 2057 | if (unlikely (flags & ~(VER_FLG_BASE | VER_FLG_WEAK))) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 2058 | { |
| 2059 | strncpy (endp, gettext ("| <unknown>"), buf + sizeof (buf) - endp); |
| 2060 | buf[sizeof (buf) - 1] = '\0'; |
| 2061 | } |
| 2062 | |
| 2063 | return buf; |
| 2064 | } |
| 2065 | |
| 2066 | |
| 2067 | static void |
| 2068 | handle_verneed (Ebl *ebl, Elf_Scn *scn, GElf_Shdr *shdr) |
| 2069 | { |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 2070 | int class = gelf_getclass (ebl->elf); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 2071 | |
| 2072 | /* Get the data of the section. */ |
Ulrich Drepper | dbace23 | 2005-08-06 01:37:23 +0000 | [diff] [blame] | 2073 | Elf_Data *data = elf_getdata (scn, NULL); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 2074 | if (data == NULL) |
| 2075 | return; |
| 2076 | |
| 2077 | /* Get the section header string table index. */ |
Ulrich Drepper | dbace23 | 2005-08-06 01:37:23 +0000 | [diff] [blame] | 2078 | size_t shstrndx; |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 2079 | if (unlikely (elf_getshstrndx (ebl->elf, &shstrndx) < 0)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 2080 | error (EXIT_FAILURE, 0, |
| 2081 | gettext ("cannot get section header string table index")); |
| 2082 | |
Ulrich Drepper | dbace23 | 2005-08-06 01:37:23 +0000 | [diff] [blame] | 2083 | GElf_Shdr glink; |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 2084 | printf (ngettext ("\ |
| 2085 | \nVersion needs section [%2u] '%s' contains %d entry:\n Addr: %#0*" PRIx64 " Offset: %#08" PRIx64 " Link to section: [%2u] '%s'\n", |
| 2086 | "\ |
| 2087 | \nVersion needs section [%2u] '%s' contains %d entries:\n Addr: %#0*" PRIx64 " Offset: %#08" PRIx64 " Link to section: [%2u] '%s'\n", |
| 2088 | shdr->sh_info), |
| 2089 | (unsigned int) elf_ndxscn (scn), |
| 2090 | elf_strptr (ebl->elf, shstrndx, shdr->sh_name), shdr->sh_info, |
| 2091 | class == ELFCLASS32 ? 10 : 18, shdr->sh_addr, |
| 2092 | shdr->sh_offset, |
| 2093 | (unsigned int) shdr->sh_link, |
| 2094 | elf_strptr (ebl->elf, shstrndx, |
| 2095 | gelf_getshdr (elf_getscn (ebl->elf, shdr->sh_link), |
| 2096 | &glink)->sh_name)); |
| 2097 | |
Ulrich Drepper | dbace23 | 2005-08-06 01:37:23 +0000 | [diff] [blame] | 2098 | unsigned int offset = 0; |
| 2099 | for (int cnt = shdr->sh_info; --cnt >= 0; ) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 2100 | { |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 2101 | /* Get the data at the next offset. */ |
Ulrich Drepper | dbace23 | 2005-08-06 01:37:23 +0000 | [diff] [blame] | 2102 | GElf_Verneed needmem; |
| 2103 | GElf_Verneed *need = gelf_getverneed (data, offset, &needmem); |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 2104 | if (unlikely (need == NULL)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 2105 | break; |
| 2106 | |
| 2107 | printf (gettext (" %#06x: Version: %hu File: %s Cnt: %hu\n"), |
| 2108 | offset, (unsigned short int) need->vn_version, |
| 2109 | elf_strptr (ebl->elf, shdr->sh_link, need->vn_file), |
| 2110 | (unsigned short int) need->vn_cnt); |
| 2111 | |
Ulrich Drepper | dbace23 | 2005-08-06 01:37:23 +0000 | [diff] [blame] | 2112 | unsigned int auxoffset = offset + need->vn_aux; |
| 2113 | for (int cnt2 = need->vn_cnt; --cnt2 >= 0; ) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 2114 | { |
| 2115 | GElf_Vernaux auxmem; |
Ulrich Drepper | dbace23 | 2005-08-06 01:37:23 +0000 | [diff] [blame] | 2116 | GElf_Vernaux *aux = gelf_getvernaux (data, auxoffset, &auxmem); |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 2117 | if (unlikely (aux == NULL)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 2118 | break; |
| 2119 | |
| 2120 | printf (gettext (" %#06x: Name: %s Flags: %s Version: %hu\n"), |
| 2121 | auxoffset, |
| 2122 | elf_strptr (ebl->elf, shdr->sh_link, aux->vna_name), |
| 2123 | get_ver_flags (aux->vna_flags), |
| 2124 | (unsigned short int) aux->vna_other); |
| 2125 | |
| 2126 | auxoffset += aux->vna_next; |
| 2127 | } |
| 2128 | |
| 2129 | /* Find the next offset. */ |
| 2130 | offset += need->vn_next; |
| 2131 | } |
| 2132 | } |
| 2133 | |
| 2134 | |
| 2135 | static void |
| 2136 | handle_verdef (Ebl *ebl, Elf_Scn *scn, GElf_Shdr *shdr) |
| 2137 | { |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 2138 | /* Get the data of the section. */ |
Ulrich Drepper | dbace23 | 2005-08-06 01:37:23 +0000 | [diff] [blame] | 2139 | Elf_Data *data = elf_getdata (scn, NULL); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 2140 | if (data == NULL) |
| 2141 | return; |
| 2142 | |
| 2143 | /* Get the section header string table index. */ |
Ulrich Drepper | dbace23 | 2005-08-06 01:37:23 +0000 | [diff] [blame] | 2144 | size_t shstrndx; |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 2145 | if (unlikely (elf_getshstrndx (ebl->elf, &shstrndx) < 0)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 2146 | error (EXIT_FAILURE, 0, |
| 2147 | gettext ("cannot get section header string table index")); |
| 2148 | |
Ulrich Drepper | dbace23 | 2005-08-06 01:37:23 +0000 | [diff] [blame] | 2149 | int class = gelf_getclass (ebl->elf); |
| 2150 | GElf_Shdr glink; |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 2151 | printf (ngettext ("\ |
| 2152 | \nVersion definition section [%2u] '%s' contains %d entry:\n Addr: %#0*" PRIx64 " Offset: %#08" PRIx64 " Link to section: [%2u] '%s'\n", |
| 2153 | "\ |
| 2154 | \nVersion definition section [%2u] '%s' contains %d entries:\n Addr: %#0*" PRIx64 " Offset: %#08" PRIx64 " Link to section: [%2u] '%s'\n", |
| 2155 | shdr->sh_info), |
| 2156 | (unsigned int) elf_ndxscn (scn), |
| 2157 | elf_strptr (ebl->elf, shstrndx, shdr->sh_name), |
| 2158 | shdr->sh_info, |
| 2159 | class == ELFCLASS32 ? 10 : 18, shdr->sh_addr, |
| 2160 | shdr->sh_offset, |
| 2161 | (unsigned int) shdr->sh_link, |
| 2162 | elf_strptr (ebl->elf, shstrndx, |
| 2163 | gelf_getshdr (elf_getscn (ebl->elf, shdr->sh_link), |
| 2164 | &glink)->sh_name)); |
| 2165 | |
Ulrich Drepper | dbace23 | 2005-08-06 01:37:23 +0000 | [diff] [blame] | 2166 | unsigned int offset = 0; |
| 2167 | for (int cnt = shdr->sh_info; --cnt >= 0; ) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 2168 | { |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 2169 | /* Get the data at the next offset. */ |
Ulrich Drepper | dbace23 | 2005-08-06 01:37:23 +0000 | [diff] [blame] | 2170 | GElf_Verdef defmem; |
| 2171 | GElf_Verdef *def = gelf_getverdef (data, offset, &defmem); |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 2172 | if (unlikely (def == NULL)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 2173 | break; |
| 2174 | |
Ulrich Drepper | dbace23 | 2005-08-06 01:37:23 +0000 | [diff] [blame] | 2175 | unsigned int auxoffset = offset + def->vd_aux; |
| 2176 | GElf_Verdaux auxmem; |
| 2177 | GElf_Verdaux *aux = gelf_getverdaux (data, auxoffset, &auxmem); |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 2178 | if (unlikely (aux == NULL)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 2179 | break; |
| 2180 | |
| 2181 | printf (gettext ("\ |
| 2182 | %#06x: Version: %hd Flags: %s Index: %hd Cnt: %hd Name: %s\n"), |
| 2183 | offset, def->vd_version, |
| 2184 | get_ver_flags (def->vd_flags), |
| 2185 | def->vd_ndx, |
| 2186 | def->vd_cnt, |
| 2187 | elf_strptr (ebl->elf, shdr->sh_link, aux->vda_name)); |
| 2188 | |
| 2189 | auxoffset += aux->vda_next; |
Ulrich Drepper | dbace23 | 2005-08-06 01:37:23 +0000 | [diff] [blame] | 2190 | for (int cnt2 = 1; cnt2 < def->vd_cnt; ++cnt2) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 2191 | { |
| 2192 | aux = gelf_getverdaux (data, auxoffset, &auxmem); |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 2193 | if (unlikely (aux == NULL)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 2194 | break; |
| 2195 | |
| 2196 | printf (gettext (" %#06x: Parent %d: %s\n"), |
| 2197 | auxoffset, cnt2, |
| 2198 | elf_strptr (ebl->elf, shdr->sh_link, aux->vda_name)); |
| 2199 | |
| 2200 | auxoffset += aux->vda_next; |
| 2201 | } |
| 2202 | |
| 2203 | /* Find the next offset. */ |
| 2204 | offset += def->vd_next; |
| 2205 | } |
| 2206 | } |
| 2207 | |
| 2208 | |
| 2209 | static void |
| 2210 | handle_versym (Ebl *ebl, Elf_Scn *scn, GElf_Shdr *shdr) |
| 2211 | { |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 2212 | int class = gelf_getclass (ebl->elf); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 2213 | const char **vername; |
| 2214 | const char **filename; |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 2215 | |
| 2216 | /* Get the data of the section. */ |
Ulrich Drepper | dbace23 | 2005-08-06 01:37:23 +0000 | [diff] [blame] | 2217 | Elf_Data *data = elf_getdata (scn, NULL); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 2218 | if (data == NULL) |
| 2219 | return; |
| 2220 | |
| 2221 | /* Get the section header string table index. */ |
Ulrich Drepper | dbace23 | 2005-08-06 01:37:23 +0000 | [diff] [blame] | 2222 | size_t shstrndx; |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 2223 | if (unlikely (elf_getshstrndx (ebl->elf, &shstrndx) < 0)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 2224 | error (EXIT_FAILURE, 0, |
| 2225 | gettext ("cannot get section header string table index")); |
| 2226 | |
| 2227 | /* We have to find the version definition section and extract the |
| 2228 | version names. */ |
Ulrich Drepper | dbace23 | 2005-08-06 01:37:23 +0000 | [diff] [blame] | 2229 | Elf_Scn *defscn = NULL; |
| 2230 | Elf_Scn *needscn = NULL; |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 2231 | |
Ulrich Drepper | dbace23 | 2005-08-06 01:37:23 +0000 | [diff] [blame] | 2232 | Elf_Scn *verscn = NULL; |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 2233 | while ((verscn = elf_nextscn (ebl->elf, verscn)) != NULL) |
| 2234 | { |
| 2235 | GElf_Shdr vershdr_mem; |
| 2236 | GElf_Shdr *vershdr = gelf_getshdr (verscn, &vershdr_mem); |
| 2237 | |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 2238 | if (likely (vershdr != NULL)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 2239 | { |
| 2240 | if (vershdr->sh_type == SHT_GNU_verdef) |
| 2241 | defscn = verscn; |
| 2242 | else if (vershdr->sh_type == SHT_GNU_verneed) |
| 2243 | needscn = verscn; |
| 2244 | } |
| 2245 | } |
| 2246 | |
Ulrich Drepper | dbace23 | 2005-08-06 01:37:23 +0000 | [diff] [blame] | 2247 | size_t nvername; |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 2248 | if (defscn != NULL || needscn != NULL) |
| 2249 | { |
| 2250 | /* We have a version information (better should have). Now get |
| 2251 | the version names. First find the maximum version number. */ |
| 2252 | nvername = 0; |
| 2253 | if (defscn != NULL) |
| 2254 | { |
| 2255 | /* Run through the version definitions and find the highest |
| 2256 | index. */ |
| 2257 | unsigned int offset = 0; |
| 2258 | Elf_Data *defdata; |
| 2259 | GElf_Shdr defshdrmem; |
| 2260 | GElf_Shdr *defshdr; |
| 2261 | |
| 2262 | defdata = elf_getdata (defscn, NULL); |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 2263 | if (unlikely (defdata == NULL)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 2264 | return; |
| 2265 | |
| 2266 | defshdr = gelf_getshdr (defscn, &defshdrmem); |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 2267 | if (unlikely (defshdr == NULL)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 2268 | return; |
| 2269 | |
Ulrich Drepper | dbace23 | 2005-08-06 01:37:23 +0000 | [diff] [blame] | 2270 | for (unsigned int cnt = 0; cnt < defshdr->sh_info; ++cnt) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 2271 | { |
| 2272 | GElf_Verdef defmem; |
| 2273 | GElf_Verdef *def; |
| 2274 | |
| 2275 | /* Get the data at the next offset. */ |
| 2276 | def = gelf_getverdef (defdata, offset, &defmem); |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 2277 | if (unlikely (def == NULL)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 2278 | break; |
| 2279 | |
| 2280 | nvername = MAX (nvername, (size_t) (def->vd_ndx & 0x7fff)); |
| 2281 | |
| 2282 | offset += def->vd_next; |
| 2283 | } |
| 2284 | } |
| 2285 | if (needscn != NULL) |
| 2286 | { |
| 2287 | unsigned int offset = 0; |
| 2288 | Elf_Data *needdata; |
| 2289 | GElf_Shdr needshdrmem; |
| 2290 | GElf_Shdr *needshdr; |
| 2291 | |
| 2292 | needdata = elf_getdata (needscn, NULL); |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 2293 | if (unlikely (needdata == NULL)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 2294 | return; |
| 2295 | |
| 2296 | needshdr = gelf_getshdr (needscn, &needshdrmem); |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 2297 | if (unlikely (needshdr == NULL)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 2298 | return; |
| 2299 | |
Ulrich Drepper | dbace23 | 2005-08-06 01:37:23 +0000 | [diff] [blame] | 2300 | for (unsigned int cnt = 0; cnt < needshdr->sh_info; ++cnt) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 2301 | { |
| 2302 | GElf_Verneed needmem; |
| 2303 | GElf_Verneed *need; |
| 2304 | unsigned int auxoffset; |
| 2305 | int cnt2; |
| 2306 | |
| 2307 | /* Get the data at the next offset. */ |
| 2308 | need = gelf_getverneed (needdata, offset, &needmem); |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 2309 | if (unlikely (need == NULL)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 2310 | break; |
| 2311 | |
| 2312 | /* Run through the auxiliary entries. */ |
| 2313 | auxoffset = offset + need->vn_aux; |
| 2314 | for (cnt2 = need->vn_cnt; --cnt2 >= 0; ) |
| 2315 | { |
| 2316 | GElf_Vernaux auxmem; |
| 2317 | GElf_Vernaux *aux; |
| 2318 | |
| 2319 | aux = gelf_getvernaux (needdata, auxoffset, &auxmem); |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 2320 | if (unlikely (aux == NULL)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 2321 | break; |
| 2322 | |
| 2323 | nvername = MAX (nvername, |
| 2324 | (size_t) (aux->vna_other & 0x7fff)); |
| 2325 | |
| 2326 | auxoffset += aux->vna_next; |
| 2327 | } |
| 2328 | |
| 2329 | offset += need->vn_next; |
| 2330 | } |
| 2331 | } |
| 2332 | |
| 2333 | /* This is the number of versions we know about. */ |
| 2334 | ++nvername; |
| 2335 | |
| 2336 | /* Allocate the array. */ |
| 2337 | vername = (const char **) alloca (nvername * sizeof (const char *)); |
| 2338 | filename = (const char **) alloca (nvername * sizeof (const char *)); |
| 2339 | |
| 2340 | /* Run through the data structures again and collect the strings. */ |
| 2341 | if (defscn != NULL) |
| 2342 | { |
| 2343 | /* Run through the version definitions and find the highest |
| 2344 | index. */ |
| 2345 | unsigned int offset = 0; |
| 2346 | Elf_Data *defdata; |
| 2347 | GElf_Shdr defshdrmem; |
| 2348 | GElf_Shdr *defshdr; |
| 2349 | |
| 2350 | defdata = elf_getdata (defscn, NULL); |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 2351 | if (unlikely (defdata == NULL)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 2352 | return; |
| 2353 | |
| 2354 | defshdr = gelf_getshdr (defscn, &defshdrmem); |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 2355 | if (unlikely (defshdr == NULL)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 2356 | return; |
| 2357 | |
Ulrich Drepper | dbace23 | 2005-08-06 01:37:23 +0000 | [diff] [blame] | 2358 | for (unsigned int cnt = 0; cnt < defshdr->sh_info; ++cnt) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 2359 | { |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 2360 | |
| 2361 | /* Get the data at the next offset. */ |
Ulrich Drepper | d044952 | 2005-09-03 07:23:52 +0000 | [diff] [blame] | 2362 | GElf_Verdef defmem; |
| 2363 | GElf_Verdef *def = gelf_getverdef (defdata, offset, &defmem); |
| 2364 | GElf_Verdaux auxmem; |
| 2365 | GElf_Verdaux *aux = gelf_getverdaux (defdata, |
| 2366 | offset + def->vd_aux, |
| 2367 | &auxmem); |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 2368 | if (unlikely (def == NULL || aux == NULL)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 2369 | break; |
| 2370 | |
| 2371 | vername[def->vd_ndx & 0x7fff] |
| 2372 | = elf_strptr (ebl->elf, defshdr->sh_link, aux->vda_name); |
| 2373 | filename[def->vd_ndx & 0x7fff] = NULL; |
| 2374 | |
| 2375 | offset += def->vd_next; |
| 2376 | } |
| 2377 | } |
| 2378 | if (needscn != NULL) |
| 2379 | { |
| 2380 | unsigned int offset = 0; |
Ulrich Drepper | d044952 | 2005-09-03 07:23:52 +0000 | [diff] [blame] | 2381 | |
| 2382 | Elf_Data *needdata = elf_getdata (needscn, NULL); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 2383 | GElf_Shdr needshdrmem; |
Ulrich Drepper | d044952 | 2005-09-03 07:23:52 +0000 | [diff] [blame] | 2384 | GElf_Shdr *needshdr = gelf_getshdr (needscn, &needshdrmem); |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 2385 | if (unlikely (needdata == NULL || needshdr == NULL)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 2386 | return; |
| 2387 | |
Ulrich Drepper | dbace23 | 2005-08-06 01:37:23 +0000 | [diff] [blame] | 2388 | for (unsigned int cnt = 0; cnt < needshdr->sh_info; ++cnt) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 2389 | { |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 2390 | /* Get the data at the next offset. */ |
Ulrich Drepper | d044952 | 2005-09-03 07:23:52 +0000 | [diff] [blame] | 2391 | GElf_Verneed needmem; |
| 2392 | GElf_Verneed *need = gelf_getverneed (needdata, offset, |
| 2393 | &needmem); |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 2394 | if (unlikely (need == NULL)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 2395 | break; |
| 2396 | |
| 2397 | /* Run through the auxiliary entries. */ |
Ulrich Drepper | d044952 | 2005-09-03 07:23:52 +0000 | [diff] [blame] | 2398 | unsigned int auxoffset = offset + need->vn_aux; |
| 2399 | for (int cnt2 = need->vn_cnt; --cnt2 >= 0; ) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 2400 | { |
| 2401 | GElf_Vernaux auxmem; |
Ulrich Drepper | d044952 | 2005-09-03 07:23:52 +0000 | [diff] [blame] | 2402 | GElf_Vernaux *aux = gelf_getvernaux (needdata, auxoffset, |
| 2403 | &auxmem); |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 2404 | if (unlikely (aux == NULL)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 2405 | break; |
| 2406 | |
| 2407 | vername[aux->vna_other & 0x7fff] |
| 2408 | = elf_strptr (ebl->elf, needshdr->sh_link, aux->vna_name); |
| 2409 | filename[aux->vna_other & 0x7fff] |
| 2410 | = elf_strptr (ebl->elf, needshdr->sh_link, need->vn_file); |
| 2411 | |
| 2412 | auxoffset += aux->vna_next; |
| 2413 | } |
| 2414 | |
| 2415 | offset += need->vn_next; |
| 2416 | } |
| 2417 | } |
| 2418 | } |
| 2419 | else |
| 2420 | { |
| 2421 | vername = NULL; |
| 2422 | nvername = 1; |
| 2423 | filename = NULL; |
| 2424 | } |
| 2425 | |
| 2426 | /* Print the header. */ |
Ulrich Drepper | d044952 | 2005-09-03 07:23:52 +0000 | [diff] [blame] | 2427 | GElf_Shdr glink; |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 2428 | printf (ngettext ("\ |
| 2429 | \nVersion symbols section [%2u] '%s' contains %d entry:\n Addr: %#0*" PRIx64 " Offset: %#08" PRIx64 " Link to section: [%2u] '%s'", |
| 2430 | "\ |
| 2431 | \nVersion symbols section [%2u] '%s' contains %d entries:\n Addr: %#0*" PRIx64 " Offset: %#08" PRIx64 " Link to section: [%2u] '%s'", |
| 2432 | shdr->sh_size / shdr->sh_entsize), |
| 2433 | (unsigned int) elf_ndxscn (scn), |
| 2434 | elf_strptr (ebl->elf, shstrndx, shdr->sh_name), |
| 2435 | (int) (shdr->sh_size / shdr->sh_entsize), |
| 2436 | class == ELFCLASS32 ? 10 : 18, shdr->sh_addr, |
| 2437 | shdr->sh_offset, |
| 2438 | (unsigned int) shdr->sh_link, |
| 2439 | elf_strptr (ebl->elf, shstrndx, |
| 2440 | gelf_getshdr (elf_getscn (ebl->elf, shdr->sh_link), |
| 2441 | &glink)->sh_name)); |
| 2442 | |
| 2443 | /* Now we can finally look at the actual contents of this section. */ |
Ulrich Drepper | dbace23 | 2005-08-06 01:37:23 +0000 | [diff] [blame] | 2444 | for (unsigned int cnt = 0; cnt < shdr->sh_size / shdr->sh_entsize; ++cnt) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 2445 | { |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 2446 | if (cnt % 2 == 0) |
| 2447 | printf ("\n %4d:", cnt); |
| 2448 | |
Ulrich Drepper | d044952 | 2005-09-03 07:23:52 +0000 | [diff] [blame] | 2449 | GElf_Versym symmem; |
| 2450 | GElf_Versym *sym = gelf_getversym (data, cnt, &symmem); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 2451 | if (sym == NULL) |
| 2452 | break; |
| 2453 | |
| 2454 | switch (*sym) |
| 2455 | { |
Ulrich Drepper | d044952 | 2005-09-03 07:23:52 +0000 | [diff] [blame] | 2456 | ssize_t n; |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 2457 | case 0: |
| 2458 | fputs_unlocked (gettext (" 0 *local* "), |
| 2459 | stdout); |
| 2460 | break; |
| 2461 | |
| 2462 | case 1: |
| 2463 | fputs_unlocked (gettext (" 1 *global* "), |
| 2464 | stdout); |
| 2465 | break; |
| 2466 | |
| 2467 | default: |
| 2468 | n = printf ("%4d%c%s", |
| 2469 | *sym & 0x7fff, *sym & 0x8000 ? 'h' : ' ', |
| 2470 | (unsigned int) (*sym & 0x7fff) < nvername |
| 2471 | ? vername[*sym & 0x7fff] : "???"); |
| 2472 | if ((unsigned int) (*sym & 0x7fff) < nvername |
| 2473 | && filename[*sym & 0x7fff] != NULL) |
| 2474 | n += printf ("(%s)", filename[*sym & 0x7fff]); |
| 2475 | printf ("%*s", MAX (0, 33 - (int) n), " "); |
| 2476 | break; |
| 2477 | } |
| 2478 | } |
Ulrich Drepper | d044952 | 2005-09-03 07:23:52 +0000 | [diff] [blame] | 2479 | putchar_unlocked ('\n'); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 2480 | } |
| 2481 | |
| 2482 | |
Ulrich Drepper | 28ed895 | 2006-07-07 03:43:47 +0000 | [diff] [blame] | 2483 | static void |
| 2484 | print_hash_info (Ebl *ebl, Elf_Scn *scn, GElf_Shdr *shdr, size_t shstrndx, |
| 2485 | uint_fast32_t maxlength, Elf32_Word nbucket, |
Ulrich Drepper | 8ae5814 | 2006-07-12 05:22:32 +0000 | [diff] [blame] | 2486 | uint_fast32_t nsyms, uint32_t *lengths, const char *extrastr) |
Ulrich Drepper | 28ed895 | 2006-07-07 03:43:47 +0000 | [diff] [blame] | 2487 | { |
| 2488 | uint32_t *counts = (uint32_t *) xcalloc (maxlength + 1, sizeof (uint32_t)); |
| 2489 | |
| 2490 | for (Elf32_Word cnt = 0; cnt < nbucket; ++cnt) |
| 2491 | ++counts[lengths[cnt]]; |
| 2492 | |
| 2493 | GElf_Shdr glink; |
| 2494 | printf (ngettext ("\ |
| 2495 | \nHistogram for bucket list length in section [%2u] '%s' (total of %d bucket):\n Addr: %#0*" PRIx64 " Offset: %#08" PRIx64 " Link to section: [%2u] '%s'\n", |
| 2496 | "\ |
| 2497 | \nHistogram for bucket list length in section [%2u] '%s' (total of %d buckets):\n Addr: %#0*" PRIx64 " Offset: %#08" PRIx64 " Link to section: [%2u] '%s'\n", |
| 2498 | nbucket), |
| 2499 | (unsigned int) elf_ndxscn (scn), |
| 2500 | elf_strptr (ebl->elf, shstrndx, shdr->sh_name), |
| 2501 | (int) nbucket, |
| 2502 | gelf_getclass (ebl->elf) == ELFCLASS32 ? 10 : 18, |
| 2503 | shdr->sh_addr, |
| 2504 | shdr->sh_offset, |
| 2505 | (unsigned int) shdr->sh_link, |
| 2506 | elf_strptr (ebl->elf, shstrndx, |
| 2507 | gelf_getshdr (elf_getscn (ebl->elf, shdr->sh_link), |
| 2508 | &glink)->sh_name)); |
| 2509 | |
Ulrich Drepper | 8ae5814 | 2006-07-12 05:22:32 +0000 | [diff] [blame] | 2510 | if (extrastr != NULL) |
| 2511 | fputs (extrastr, stdout); |
| 2512 | |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 2513 | if (likely (nbucket > 0)) |
Ulrich Drepper | 28ed895 | 2006-07-07 03:43:47 +0000 | [diff] [blame] | 2514 | { |
| 2515 | uint64_t success = 0; |
| 2516 | |
| 2517 | fputs_unlocked (gettext ("\ |
| 2518 | Length Number % of total Coverage\n"), stdout); |
| 2519 | printf (gettext (" 0 %6" PRIu32 " %5.1f%%\n"), |
| 2520 | counts[0], (counts[0] * 100.0) / nbucket); |
| 2521 | |
| 2522 | uint64_t nzero_counts = 0; |
| 2523 | for (Elf32_Word cnt = 1; cnt <= maxlength; ++cnt) |
| 2524 | { |
| 2525 | nzero_counts += counts[cnt] * cnt; |
| 2526 | printf (gettext ("\ |
| 2527 | %7d %6" PRIu32 " %5.1f%% %5.1f%%\n"), |
| 2528 | (int) cnt, counts[cnt], (counts[cnt] * 100.0) / nbucket, |
| 2529 | (nzero_counts * 100.0) / nsyms); |
| 2530 | } |
| 2531 | |
| 2532 | Elf32_Word acc = 0; |
| 2533 | for (Elf32_Word cnt = 1; cnt <= maxlength; ++cnt) |
| 2534 | { |
| 2535 | acc += cnt; |
| 2536 | success += counts[cnt] * acc; |
| 2537 | } |
| 2538 | |
| 2539 | printf (gettext ("\ |
| 2540 | Average number of tests: successful lookup: %f\n\ |
| 2541 | unsuccessful lookup: %f\n"), |
| 2542 | (double) success / (double) nzero_counts, |
| 2543 | (double) nzero_counts / (double) nbucket); |
| 2544 | } |
| 2545 | |
| 2546 | free (counts); |
| 2547 | } |
| 2548 | |
| 2549 | |
| 2550 | /* This function handles the traditional System V-style hash table format. */ |
| 2551 | static void |
| 2552 | handle_sysv_hash (Ebl *ebl, Elf_Scn *scn, GElf_Shdr *shdr, size_t shstrndx) |
| 2553 | { |
| 2554 | Elf_Data *data = elf_getdata (scn, NULL); |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 2555 | if (unlikely (data == NULL)) |
Ulrich Drepper | 28ed895 | 2006-07-07 03:43:47 +0000 | [diff] [blame] | 2556 | { |
| 2557 | error (0, 0, gettext ("cannot get data for section %d: %s"), |
| 2558 | (int) elf_ndxscn (scn), elf_errmsg (-1)); |
| 2559 | return; |
| 2560 | } |
| 2561 | |
| 2562 | Elf32_Word nbucket = ((Elf32_Word *) data->d_buf)[0]; |
| 2563 | Elf32_Word nchain = ((Elf32_Word *) data->d_buf)[1]; |
| 2564 | Elf32_Word *bucket = &((Elf32_Word *) data->d_buf)[2]; |
| 2565 | Elf32_Word *chain = &((Elf32_Word *) data->d_buf)[2 + nbucket]; |
| 2566 | |
| 2567 | uint32_t *lengths = (uint32_t *) xcalloc (nbucket, sizeof (uint32_t)); |
| 2568 | |
| 2569 | uint_fast32_t maxlength = 0; |
| 2570 | uint_fast32_t nsyms = 0; |
| 2571 | for (Elf32_Word cnt = 0; cnt < nbucket; ++cnt) |
| 2572 | { |
| 2573 | Elf32_Word inner = bucket[cnt]; |
| 2574 | while (inner > 0 && inner < nchain) |
| 2575 | { |
| 2576 | ++nsyms; |
| 2577 | if (maxlength < ++lengths[cnt]) |
| 2578 | ++maxlength; |
| 2579 | |
| 2580 | inner = chain[inner]; |
| 2581 | } |
| 2582 | } |
| 2583 | |
| 2584 | print_hash_info (ebl, scn, shdr, shstrndx, maxlength, nbucket, nsyms, |
Ulrich Drepper | 8ae5814 | 2006-07-12 05:22:32 +0000 | [diff] [blame] | 2585 | lengths, NULL); |
Ulrich Drepper | 28ed895 | 2006-07-07 03:43:47 +0000 | [diff] [blame] | 2586 | |
| 2587 | free (lengths); |
| 2588 | } |
| 2589 | |
| 2590 | |
| 2591 | /* This function handles the incorrect, System V-style hash table |
| 2592 | format some 64-bit architectures use. */ |
| 2593 | static void |
| 2594 | handle_sysv_hash64 (Ebl *ebl, Elf_Scn *scn, GElf_Shdr *shdr, size_t shstrndx) |
| 2595 | { |
| 2596 | Elf_Data *data = elf_getdata (scn, NULL); |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 2597 | if (unlikely (data == NULL)) |
Ulrich Drepper | 28ed895 | 2006-07-07 03:43:47 +0000 | [diff] [blame] | 2598 | { |
| 2599 | error (0, 0, gettext ("cannot get data for section %d: %s"), |
| 2600 | (int) elf_ndxscn (scn), elf_errmsg (-1)); |
| 2601 | return; |
| 2602 | } |
| 2603 | |
| 2604 | Elf64_Xword nbucket = ((Elf64_Xword *) data->d_buf)[0]; |
| 2605 | Elf64_Xword nchain = ((Elf64_Xword *) data->d_buf)[1]; |
| 2606 | Elf64_Xword *bucket = &((Elf64_Xword *) data->d_buf)[2]; |
| 2607 | Elf64_Xword *chain = &((Elf64_Xword *) data->d_buf)[2 + nbucket]; |
| 2608 | |
| 2609 | uint32_t *lengths = (uint32_t *) xcalloc (nbucket, sizeof (uint32_t)); |
| 2610 | |
| 2611 | uint_fast32_t maxlength = 0; |
| 2612 | uint_fast32_t nsyms = 0; |
| 2613 | for (Elf64_Xword cnt = 0; cnt < nbucket; ++cnt) |
| 2614 | { |
| 2615 | Elf64_Xword inner = bucket[cnt]; |
| 2616 | while (inner > 0 && inner < nchain) |
| 2617 | { |
| 2618 | ++nsyms; |
| 2619 | if (maxlength < ++lengths[cnt]) |
| 2620 | ++maxlength; |
| 2621 | |
| 2622 | inner = chain[inner]; |
| 2623 | } |
| 2624 | } |
| 2625 | |
| 2626 | print_hash_info (ebl, scn, shdr, shstrndx, maxlength, nbucket, nsyms, |
Ulrich Drepper | 8ae5814 | 2006-07-12 05:22:32 +0000 | [diff] [blame] | 2627 | lengths, NULL); |
Ulrich Drepper | 28ed895 | 2006-07-07 03:43:47 +0000 | [diff] [blame] | 2628 | |
| 2629 | free (lengths); |
| 2630 | } |
| 2631 | |
| 2632 | |
| 2633 | /* This function handles the GNU-style hash table format. */ |
| 2634 | static void |
| 2635 | handle_gnu_hash (Ebl *ebl, Elf_Scn *scn, GElf_Shdr *shdr, size_t shstrndx) |
| 2636 | { |
| 2637 | Elf_Data *data = elf_getdata (scn, NULL); |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 2638 | if (unlikely (data == NULL)) |
Ulrich Drepper | 28ed895 | 2006-07-07 03:43:47 +0000 | [diff] [blame] | 2639 | { |
| 2640 | error (0, 0, gettext ("cannot get data for section %d: %s"), |
| 2641 | (int) elf_ndxscn (scn), elf_errmsg (-1)); |
| 2642 | return; |
| 2643 | } |
| 2644 | |
| 2645 | Elf32_Word nbucket = ((Elf32_Word *) data->d_buf)[0]; |
| 2646 | Elf32_Word symbias = ((Elf32_Word *) data->d_buf)[1]; |
Ulrich Drepper | 8ae5814 | 2006-07-12 05:22:32 +0000 | [diff] [blame] | 2647 | |
| 2648 | /* Next comes the size of the bitmap. It's measured in words for |
| 2649 | the architecture. It's 32 bits for 32 bit archs, and 64 bits for |
| 2650 | 64 bit archs. */ |
| 2651 | Elf32_Word bitmask_words = ((Elf32_Word *) data->d_buf)[2]; |
| 2652 | if (gelf_getclass (ebl->elf) == ELFCLASS64) |
| 2653 | bitmask_words *= 2; |
| 2654 | |
| 2655 | Elf32_Word shift = ((Elf32_Word *) data->d_buf)[3]; |
Ulrich Drepper | 28ed895 | 2006-07-07 03:43:47 +0000 | [diff] [blame] | 2656 | |
| 2657 | uint32_t *lengths = (uint32_t *) xcalloc (nbucket, sizeof (uint32_t)); |
| 2658 | |
Ulrich Drepper | 8ae5814 | 2006-07-12 05:22:32 +0000 | [diff] [blame] | 2659 | Elf32_Word *bitmask = &((Elf32_Word *) data->d_buf)[4]; |
| 2660 | Elf32_Word *bucket = &((Elf32_Word *) data->d_buf)[4 + bitmask_words]; |
| 2661 | Elf32_Word *chain = &((Elf32_Word *) data->d_buf)[4 + bitmask_words |
| 2662 | + nbucket]; |
| 2663 | |
| 2664 | /* Compute distribution of chain lengths. */ |
Ulrich Drepper | 28ed895 | 2006-07-07 03:43:47 +0000 | [diff] [blame] | 2665 | uint_fast32_t maxlength = 0; |
| 2666 | uint_fast32_t nsyms = 0; |
| 2667 | for (Elf32_Word cnt = 0; cnt < nbucket; ++cnt) |
Ulrich Drepper | 8ae5814 | 2006-07-12 05:22:32 +0000 | [diff] [blame] | 2668 | if (bucket[cnt] != 0) |
Ulrich Drepper | 28ed895 | 2006-07-07 03:43:47 +0000 | [diff] [blame] | 2669 | { |
Ulrich Drepper | 8ae5814 | 2006-07-12 05:22:32 +0000 | [diff] [blame] | 2670 | Elf32_Word inner = bucket[cnt] - symbias; |
Ulrich Drepper | 28ed895 | 2006-07-07 03:43:47 +0000 | [diff] [blame] | 2671 | do |
| 2672 | { |
| 2673 | ++nsyms; |
| 2674 | if (maxlength < ++lengths[cnt]) |
| 2675 | ++maxlength; |
| 2676 | } |
| 2677 | while ((chain[inner++] & 1) == 0); |
| 2678 | } |
| 2679 | |
Ulrich Drepper | 8ae5814 | 2006-07-12 05:22:32 +0000 | [diff] [blame] | 2680 | /* Count bits in bitmask. */ |
| 2681 | uint_fast32_t nbits = 0; |
| 2682 | for (Elf32_Word cnt = 0; cnt < bitmask_words; ++cnt) |
| 2683 | { |
| 2684 | uint_fast32_t word = bitmask[cnt]; |
Ulrich Drepper | 28ed895 | 2006-07-07 03:43:47 +0000 | [diff] [blame] | 2685 | |
Ulrich Drepper | 8ae5814 | 2006-07-12 05:22:32 +0000 | [diff] [blame] | 2686 | word = (word & 0x55555555) + ((word >> 1) & 0x55555555); |
| 2687 | word = (word & 0x33333333) + ((word >> 2) & 0x33333333); |
| 2688 | word = (word & 0x0f0f0f0f) + ((word >> 4) & 0x0f0f0f0f); |
| 2689 | word = (word & 0x00ff00ff) + ((word >> 8) & 0x00ff00ff); |
| 2690 | nbits += (word & 0x0000ffff) + ((word >> 16) & 0x0000ffff); |
| 2691 | } |
| 2692 | |
| 2693 | char *str; |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 2694 | if (unlikely (asprintf (&str, gettext ("\ |
Ulrich Drepper | 8ae5814 | 2006-07-12 05:22:32 +0000 | [diff] [blame] | 2695 | Symbol Bias: %u\n\ |
| 2696 | Bitmask Size: %zu bytes %" PRIuFAST32 "%% bits set 2nd hash shift: %u\n"), |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 2697 | (unsigned int) symbias, |
| 2698 | bitmask_words * sizeof (Elf32_Word), |
| 2699 | ((nbits * 100 + 50) |
| 2700 | / (uint_fast32_t) (bitmask_words |
| 2701 | * sizeof (Elf32_Word) * 8)), |
| 2702 | (unsigned int) shift) == -1)) |
Ulrich Drepper | 8ae5814 | 2006-07-12 05:22:32 +0000 | [diff] [blame] | 2703 | error (EXIT_FAILURE, 0, gettext ("memory exhausted")); |
| 2704 | |
| 2705 | print_hash_info (ebl, scn, shdr, shstrndx, maxlength, nbucket, nsyms, |
| 2706 | lengths, str); |
| 2707 | |
| 2708 | free (str); |
Ulrich Drepper | 28ed895 | 2006-07-07 03:43:47 +0000 | [diff] [blame] | 2709 | free (lengths); |
| 2710 | } |
| 2711 | |
| 2712 | |
Ulrich Drepper | d044952 | 2005-09-03 07:23:52 +0000 | [diff] [blame] | 2713 | /* Find the symbol table(s). For this we have to search through the |
| 2714 | section table. */ |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 2715 | static void |
| 2716 | handle_hash (Ebl *ebl) |
| 2717 | { |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 2718 | /* Get the section header string table index. */ |
Ulrich Drepper | d044952 | 2005-09-03 07:23:52 +0000 | [diff] [blame] | 2719 | size_t shstrndx; |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 2720 | if (unlikely (elf_getshstrndx (ebl->elf, &shstrndx) < 0)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 2721 | error (EXIT_FAILURE, 0, |
| 2722 | gettext ("cannot get section header string table index")); |
| 2723 | |
Ulrich Drepper | d044952 | 2005-09-03 07:23:52 +0000 | [diff] [blame] | 2724 | Elf_Scn *scn = NULL; |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 2725 | while ((scn = elf_nextscn (ebl->elf, scn)) != NULL) |
| 2726 | { |
| 2727 | /* Handle the section if it is a symbol table. */ |
| 2728 | GElf_Shdr shdr_mem; |
| 2729 | GElf_Shdr *shdr = gelf_getshdr (scn, &shdr_mem); |
| 2730 | |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 2731 | if (likely (shdr != NULL)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 2732 | { |
Ulrich Drepper | 28ed895 | 2006-07-07 03:43:47 +0000 | [diff] [blame] | 2733 | if (shdr->sh_type == SHT_HASH) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 2734 | { |
Ulrich Drepper | 28ed895 | 2006-07-07 03:43:47 +0000 | [diff] [blame] | 2735 | if (ebl_sysvhash_entrysize (ebl) == sizeof (Elf64_Xword)) |
| 2736 | handle_sysv_hash64 (ebl, scn, shdr, shstrndx); |
| 2737 | else |
| 2738 | handle_sysv_hash (ebl, scn, shdr, shstrndx); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 2739 | } |
Ulrich Drepper | 28ed895 | 2006-07-07 03:43:47 +0000 | [diff] [blame] | 2740 | else if (shdr->sh_type == SHT_GNU_HASH) |
| 2741 | handle_gnu_hash (ebl, scn, shdr, shstrndx); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 2742 | } |
| 2743 | } |
| 2744 | } |
| 2745 | |
| 2746 | |
| 2747 | static void |
| 2748 | print_liblist (Ebl *ebl) |
| 2749 | { |
| 2750 | /* Find the library list sections. For this we have to search |
| 2751 | through the section table. */ |
| 2752 | Elf_Scn *scn = NULL; |
| 2753 | |
| 2754 | /* Get the section header string table index. */ |
| 2755 | size_t shstrndx; |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 2756 | if (unlikely (elf_getshstrndx (ebl->elf, &shstrndx) < 0)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 2757 | error (EXIT_FAILURE, 0, |
| 2758 | gettext ("cannot get section header string table index")); |
| 2759 | |
| 2760 | while ((scn = elf_nextscn (ebl->elf, scn)) != NULL) |
| 2761 | { |
| 2762 | GElf_Shdr shdr_mem; |
| 2763 | GElf_Shdr *shdr = gelf_getshdr (scn, &shdr_mem); |
| 2764 | |
| 2765 | if (shdr != NULL && shdr->sh_type == SHT_GNU_LIBLIST) |
| 2766 | { |
| 2767 | int nentries = shdr->sh_size / shdr->sh_entsize; |
| 2768 | printf (ngettext ("\ |
| 2769 | \nLibrary list section [%2zu] '%s' at offset %#0" PRIx64 " contains %d entry:\n", |
| 2770 | "\ |
| 2771 | \nLibrary list section [%2zu] '%s' at offset %#0" PRIx64 " contains %d entries:\n", |
| 2772 | nentries), |
| 2773 | elf_ndxscn (scn), |
| 2774 | elf_strptr (ebl->elf, shstrndx, shdr->sh_name), |
| 2775 | shdr->sh_offset, |
| 2776 | nentries); |
| 2777 | |
| 2778 | Elf_Data *data = elf_getdata (scn, NULL); |
| 2779 | if (data == NULL) |
| 2780 | return; |
| 2781 | |
| 2782 | puts (gettext ("\ |
| 2783 | Library Time Stamp Checksum Version Flags")); |
| 2784 | |
| 2785 | for (int cnt = 0; cnt < nentries; ++cnt) |
| 2786 | { |
| 2787 | GElf_Lib lib_mem; |
| 2788 | GElf_Lib *lib = gelf_getlib (data, cnt, &lib_mem); |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 2789 | if (unlikely (lib == NULL)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 2790 | continue; |
| 2791 | |
| 2792 | time_t t = (time_t) lib->l_time_stamp; |
| 2793 | struct tm *tm = gmtime (&t); |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 2794 | if (unlikely (tm == NULL)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 2795 | continue; |
| 2796 | |
| 2797 | printf (" [%2d] %-29s %04u-%02u-%02uT%02u:%02u:%02u %08x %-7u %u\n", |
| 2798 | cnt, elf_strptr (ebl->elf, shdr->sh_link, lib->l_name), |
| 2799 | tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday, |
| 2800 | tm->tm_hour, tm->tm_min, tm->tm_sec, |
| 2801 | (unsigned int) lib->l_checksum, |
| 2802 | (unsigned int) lib->l_version, |
| 2803 | (unsigned int) lib->l_flags); |
| 2804 | } |
| 2805 | } |
| 2806 | } |
| 2807 | } |
| 2808 | |
Roland McGrath | 059c83e | 2008-02-21 06:19:39 +0000 | [diff] [blame] | 2809 | static void |
| 2810 | print_attributes (Ebl *ebl, const GElf_Ehdr *ehdr) |
| 2811 | { |
| 2812 | /* Find the object attributes sections. For this we have to search |
| 2813 | through the section table. */ |
| 2814 | Elf_Scn *scn = NULL; |
| 2815 | |
| 2816 | /* Get the section header string table index. */ |
| 2817 | size_t shstrndx; |
| 2818 | if (unlikely (elf_getshstrndx (ebl->elf, &shstrndx) < 0)) |
| 2819 | error (EXIT_FAILURE, 0, |
| 2820 | gettext ("cannot get section header string table index")); |
| 2821 | |
| 2822 | while ((scn = elf_nextscn (ebl->elf, scn)) != NULL) |
| 2823 | { |
| 2824 | GElf_Shdr shdr_mem; |
| 2825 | GElf_Shdr *shdr = gelf_getshdr (scn, &shdr_mem); |
| 2826 | |
| 2827 | if (shdr == NULL || shdr->sh_type != SHT_GNU_ATTRIBUTES) |
| 2828 | continue; |
| 2829 | |
| 2830 | printf (gettext ("\ |
| 2831 | \nObject attributes section [%2zu] '%s' of %" PRIu64 |
| 2832 | " bytes at offset %#0" PRIx64 ":\n"), |
| 2833 | elf_ndxscn (scn), |
| 2834 | elf_strptr (ebl->elf, shstrndx, shdr->sh_name), |
| 2835 | shdr->sh_size, shdr->sh_offset); |
| 2836 | |
| 2837 | Elf_Data *data = elf_rawdata (scn, NULL); |
| 2838 | if (data == NULL) |
| 2839 | return; |
| 2840 | |
| 2841 | const unsigned char *p = data->d_buf; |
| 2842 | |
| 2843 | if (unlikely (*p++ != 'A')) |
| 2844 | return; |
| 2845 | |
| 2846 | fputs_unlocked (gettext (" Owner Size\n"), stdout); |
| 2847 | |
| 2848 | inline size_t left (void) |
| 2849 | { |
| 2850 | return (const unsigned char *) data->d_buf + data->d_size - p; |
| 2851 | } |
| 2852 | |
| 2853 | while (left () >= 4) |
| 2854 | { |
| 2855 | uint32_t len; |
| 2856 | memcpy (&len, p, sizeof len); |
| 2857 | |
| 2858 | if (MY_ELFDATA != ehdr->e_ident[EI_DATA]) |
| 2859 | CONVERT (len); |
| 2860 | |
| 2861 | if (unlikely (len > left ())) |
| 2862 | break; |
| 2863 | |
| 2864 | const unsigned char *name = p + sizeof len; |
| 2865 | p += len; |
| 2866 | |
| 2867 | unsigned const char *q = memchr (name, '\0', len); |
| 2868 | if (unlikely (q == NULL)) |
| 2869 | continue; |
| 2870 | ++q; |
| 2871 | |
| 2872 | printf (gettext (" %-13s %4" PRIu32 "\n"), name, len); |
| 2873 | |
| 2874 | if (q - name == sizeof "gnu" |
| 2875 | && !memcmp (name, "gnu", sizeof "gnu")) |
| 2876 | while (q < p) |
| 2877 | { |
| 2878 | const unsigned char *const sub = q; |
| 2879 | |
| 2880 | unsigned int subsection_tag; |
| 2881 | get_uleb128 (subsection_tag, q); |
| 2882 | if (unlikely (q >= p)) |
| 2883 | break; |
| 2884 | |
| 2885 | uint32_t subsection_len; |
| 2886 | if (unlikely (p - sub < (ptrdiff_t) sizeof subsection_len)) |
| 2887 | break; |
| 2888 | |
| 2889 | memcpy (&subsection_len, q, sizeof subsection_len); |
| 2890 | |
| 2891 | if (MY_ELFDATA != ehdr->e_ident[EI_DATA]) |
| 2892 | CONVERT (subsection_len); |
| 2893 | |
Roland McGrath | 47c5c35 | 2008-02-29 10:17:16 +0000 | [diff] [blame] | 2894 | if (unlikely (p - sub < (ptrdiff_t) subsection_len)) |
Roland McGrath | 059c83e | 2008-02-21 06:19:39 +0000 | [diff] [blame] | 2895 | break; |
| 2896 | |
| 2897 | const unsigned char *r = q + sizeof subsection_len; |
| 2898 | q = sub + subsection_len; |
| 2899 | |
| 2900 | switch (subsection_tag) |
| 2901 | { |
| 2902 | default: |
| 2903 | printf (gettext (" %-4u %12" PRIu32 "\n"), |
| 2904 | subsection_tag, subsection_len); |
| 2905 | break; |
| 2906 | |
| 2907 | case 1: /* Tag_File */ |
| 2908 | printf (gettext (" File: %11" PRIu32 "\n"), |
| 2909 | subsection_len); |
| 2910 | |
| 2911 | while (r < q) |
| 2912 | { |
| 2913 | unsigned int tag; |
| 2914 | get_uleb128 (tag, r); |
| 2915 | if (unlikely (r >= q)) |
| 2916 | break; |
| 2917 | |
| 2918 | uint64_t value = 0; |
| 2919 | const char *string = NULL; |
| 2920 | if (tag == 32 || (tag & 1) == 0) |
| 2921 | { |
| 2922 | get_uleb128 (value, r); |
| 2923 | if (r > q) |
| 2924 | break; |
| 2925 | } |
| 2926 | if (tag == 32 || (tag & 1) != 0) |
| 2927 | { |
| 2928 | r = memchr (r, '\0', q - r); |
| 2929 | if (r == NULL) |
| 2930 | break; |
| 2931 | ++r; |
| 2932 | } |
| 2933 | |
| 2934 | const char *tag_name = NULL; |
| 2935 | const char *value_name = NULL; |
| 2936 | ebl_check_object_attribute (ebl, (const char *) name, |
| 2937 | tag, value, |
| 2938 | &tag_name, &value_name); |
| 2939 | |
| 2940 | if (tag_name != NULL) |
| 2941 | { |
| 2942 | if (tag == 32) |
| 2943 | printf (gettext (" %s: %" PRId64 ", %s\n"), |
| 2944 | tag_name, value, string); |
| 2945 | else if (string == NULL && value_name == NULL) |
| 2946 | printf (gettext (" %s: %" PRId64 "\n"), |
| 2947 | tag_name, value); |
| 2948 | else |
| 2949 | printf (gettext (" %s: %s\n"), |
| 2950 | tag_name, string ?: value_name); |
| 2951 | } |
| 2952 | else |
| 2953 | { |
| 2954 | assert (tag != 32); |
| 2955 | if (string == NULL) |
| 2956 | printf (gettext (" %u: %" PRId64 "\n"), |
| 2957 | tag, value); |
| 2958 | else |
| 2959 | printf (gettext (" %u: %s\n"), |
| 2960 | tag, string); |
| 2961 | } |
| 2962 | } |
| 2963 | } |
| 2964 | } |
| 2965 | } |
| 2966 | } |
| 2967 | } |
| 2968 | |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 2969 | |
Ulrich Drepper | b597dfa | 2007-10-16 05:21:27 +0000 | [diff] [blame] | 2970 | static char * |
| 2971 | format_dwarf_addr (Dwfl_Module *dwflmod, |
| 2972 | int address_size, Dwarf_Addr address) |
| 2973 | { |
| 2974 | /* See if there is a name we can give for this address. */ |
| 2975 | GElf_Sym sym; |
| 2976 | const char *name = dwfl_module_addrsym (dwflmod, address, &sym, NULL); |
| 2977 | if (name != NULL) |
| 2978 | sym.st_value = address - sym.st_value; |
| 2979 | |
| 2980 | /* Relativize the address. */ |
| 2981 | int n = dwfl_module_relocations (dwflmod); |
| 2982 | int i = n < 1 ? -1 : dwfl_module_relocate_address (dwflmod, &address); |
| 2983 | |
| 2984 | /* In an ET_REL file there is a section name to refer to. */ |
| 2985 | const char *scn = (i < 0 ? NULL |
| 2986 | : dwfl_module_relocation_info (dwflmod, i, NULL)); |
| 2987 | |
| 2988 | char *result; |
| 2989 | if ((name != NULL |
| 2990 | ? (sym.st_value != 0 |
| 2991 | ? (scn != NULL |
| 2992 | ? (address_size == 0 |
| 2993 | ? asprintf (&result, |
| 2994 | gettext ("%s+%#" PRIx64 " <%s+%#" PRIx64 ">"), |
| 2995 | scn, address, name, sym.st_value) |
| 2996 | : asprintf (&result, |
| 2997 | gettext ("%s+%#0*" PRIx64 " <%s+%#" PRIx64 ">"), |
| 2998 | scn, 2 + address_size * 2, address, |
| 2999 | name, sym.st_value)) |
| 3000 | : (address_size == 0 |
| 3001 | ? asprintf (&result, |
| 3002 | gettext ("%#" PRIx64 " <%s+%#" PRIx64 ">"), |
| 3003 | address, name, sym.st_value) |
| 3004 | : asprintf (&result, |
| 3005 | gettext ("%#0*" PRIx64 " <%s+%#" PRIx64 ">"), |
| 3006 | 2 + address_size * 2, address, |
| 3007 | name, sym.st_value))) |
| 3008 | : (scn != NULL |
| 3009 | ? (address_size == 0 |
| 3010 | ? asprintf (&result, |
| 3011 | gettext ("%s+%#" PRIx64 " <%s>"), |
| 3012 | scn, address, name) |
| 3013 | : asprintf (&result, |
| 3014 | gettext ("%s+%#0*" PRIx64 " <%s>"), |
| 3015 | scn, 2 + address_size * 2, address, name)) |
| 3016 | : (address_size == 0 |
| 3017 | ? asprintf (&result, |
| 3018 | gettext ("%#" PRIx64 " <%s>"), |
| 3019 | address, name) |
| 3020 | : asprintf (&result, |
| 3021 | gettext ("%#0*" PRIx64 " <%s>"), |
| 3022 | 2 + address_size * 2, address, name)))) |
| 3023 | : (scn != NULL |
| 3024 | ? (address_size == 0 |
| 3025 | ? asprintf (&result, |
| 3026 | gettext ("%s+%#" PRIx64), |
| 3027 | scn, address) |
| 3028 | : asprintf (&result, |
| 3029 | gettext ("%s+%#0*" PRIx64), |
| 3030 | scn, 2 + address_size * 2, address)) |
| 3031 | : (address_size == 0 |
| 3032 | ? asprintf (&result, |
| 3033 | "%#" PRIx64, |
| 3034 | address) |
| 3035 | : asprintf (&result, |
| 3036 | "%#0*" PRIx64, |
| 3037 | 2 + address_size * 2, address)))) < 0) |
| 3038 | error (EXIT_FAILURE, 0, _("memory exhausted")); |
| 3039 | |
| 3040 | return result; |
| 3041 | } |
| 3042 | |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 3043 | static const char * |
| 3044 | dwarf_tag_string (unsigned int tag) |
| 3045 | { |
Ulrich Drepper | 8b38310 | 2007-02-16 00:31:57 +0000 | [diff] [blame] | 3046 | static const char *const known_tags[] = |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 3047 | { |
| 3048 | [DW_TAG_array_type] = "array_type", |
| 3049 | [DW_TAG_class_type] = "class_type", |
| 3050 | [DW_TAG_entry_point] = "entry_point", |
| 3051 | [DW_TAG_enumeration_type] = "enumeration_type", |
| 3052 | [DW_TAG_formal_parameter] = "formal_parameter", |
| 3053 | [DW_TAG_imported_declaration] = "imported_declaration", |
| 3054 | [DW_TAG_label] = "label", |
| 3055 | [DW_TAG_lexical_block] = "lexical_block", |
| 3056 | [DW_TAG_member] = "member", |
| 3057 | [DW_TAG_pointer_type] = "pointer_type", |
| 3058 | [DW_TAG_reference_type] = "reference_type", |
| 3059 | [DW_TAG_compile_unit] = "compile_unit", |
| 3060 | [DW_TAG_string_type] = "string_type", |
| 3061 | [DW_TAG_structure_type] = "structure_type", |
| 3062 | [DW_TAG_subroutine_type] = "subroutine_type", |
| 3063 | [DW_TAG_typedef] = "typedef", |
| 3064 | [DW_TAG_union_type] = "union_type", |
| 3065 | [DW_TAG_unspecified_parameters] = "unspecified_parameters", |
| 3066 | [DW_TAG_variant] = "variant", |
| 3067 | [DW_TAG_common_block] = "common_block", |
| 3068 | [DW_TAG_common_inclusion] = "common_inclusion", |
| 3069 | [DW_TAG_inheritance] = "inheritance", |
| 3070 | [DW_TAG_inlined_subroutine] = "inlined_subroutine", |
| 3071 | [DW_TAG_module] = "module", |
| 3072 | [DW_TAG_ptr_to_member_type] = "ptr_to_member_type", |
| 3073 | [DW_TAG_set_type] = "set_type", |
| 3074 | [DW_TAG_subrange_type] = "subrange_type", |
| 3075 | [DW_TAG_with_stmt] = "with_stmt", |
| 3076 | [DW_TAG_access_declaration] = "access_declaration", |
| 3077 | [DW_TAG_base_type] = "base_type", |
| 3078 | [DW_TAG_catch_block] = "catch_block", |
| 3079 | [DW_TAG_const_type] = "const_type", |
| 3080 | [DW_TAG_constant] = "constant", |
| 3081 | [DW_TAG_enumerator] = "enumerator", |
| 3082 | [DW_TAG_file_type] = "file_type", |
| 3083 | [DW_TAG_friend] = "friend", |
| 3084 | [DW_TAG_namelist] = "namelist", |
| 3085 | [DW_TAG_namelist_item] = "namelist_item", |
| 3086 | [DW_TAG_packed_type] = "packed_type", |
| 3087 | [DW_TAG_subprogram] = "subprogram", |
Roland McGrath | 060fa05 | 2006-03-02 07:51:50 +0000 | [diff] [blame] | 3088 | [DW_TAG_template_type_parameter] = "template_type_parameter", |
| 3089 | [DW_TAG_template_value_parameter] = "template_value_parameter", |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 3090 | [DW_TAG_thrown_type] = "thrown_type", |
| 3091 | [DW_TAG_try_block] = "try_block", |
| 3092 | [DW_TAG_variant_part] = "variant_part", |
| 3093 | [DW_TAG_variable] = "variable", |
| 3094 | [DW_TAG_volatile_type] = "volatile_type", |
| 3095 | [DW_TAG_dwarf_procedure] = "dwarf_procedure", |
| 3096 | [DW_TAG_restrict_type] = "restrict_type", |
| 3097 | [DW_TAG_interface_type] = "interface_type", |
| 3098 | [DW_TAG_namespace] = "namespace", |
| 3099 | [DW_TAG_imported_module] = "imported_module", |
| 3100 | [DW_TAG_unspecified_type] = "unspecified_type", |
| 3101 | [DW_TAG_partial_unit] = "partial_unit", |
| 3102 | [DW_TAG_imported_unit] = "imported_unit", |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 3103 | [DW_TAG_mutable_type] = "mutable_type", |
Roland McGrath | 060fa05 | 2006-03-02 07:51:50 +0000 | [diff] [blame] | 3104 | [DW_TAG_condition] = "condition", |
| 3105 | [DW_TAG_shared_type] = "shared_type", |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 3106 | }; |
| 3107 | const unsigned int nknown_tags = (sizeof (known_tags) |
| 3108 | / sizeof (known_tags[0])); |
| 3109 | static char buf[40]; |
| 3110 | const char *result = NULL; |
| 3111 | |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 3112 | if (likely (tag < nknown_tags)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 3113 | result = known_tags[tag]; |
| 3114 | |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 3115 | if (unlikely (result == NULL)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 3116 | /* There are a few known extensions. */ |
| 3117 | switch (tag) |
| 3118 | { |
| 3119 | case DW_TAG_MIPS_loop: |
| 3120 | result = "MIPS_loop"; |
| 3121 | break; |
| 3122 | |
| 3123 | case DW_TAG_format_label: |
| 3124 | result = "format_label"; |
| 3125 | break; |
| 3126 | |
| 3127 | case DW_TAG_function_template: |
| 3128 | result = "function_template"; |
| 3129 | break; |
| 3130 | |
| 3131 | case DW_TAG_class_template: |
| 3132 | result = "class_template"; |
| 3133 | break; |
| 3134 | |
| 3135 | default: |
| 3136 | if (tag < DW_TAG_lo_user) |
| 3137 | snprintf (buf, sizeof buf, gettext ("unknown tag %hx"), tag); |
| 3138 | else |
| 3139 | snprintf (buf, sizeof buf, gettext ("unknown user tag %hx"), tag); |
| 3140 | result = buf; |
| 3141 | break; |
| 3142 | } |
| 3143 | |
| 3144 | return result; |
| 3145 | } |
| 3146 | |
| 3147 | |
| 3148 | static const char * |
| 3149 | dwarf_attr_string (unsigned int attrnum) |
| 3150 | { |
Ulrich Drepper | 8b38310 | 2007-02-16 00:31:57 +0000 | [diff] [blame] | 3151 | static const char *const known_attrs[] = |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 3152 | { |
| 3153 | [DW_AT_sibling] = "sibling", |
| 3154 | [DW_AT_location] = "location", |
| 3155 | [DW_AT_name] = "name", |
| 3156 | [DW_AT_ordering] = "ordering", |
| 3157 | [DW_AT_subscr_data] = "subscr_data", |
| 3158 | [DW_AT_byte_size] = "byte_size", |
| 3159 | [DW_AT_bit_offset] = "bit_offset", |
| 3160 | [DW_AT_bit_size] = "bit_size", |
| 3161 | [DW_AT_element_list] = "element_list", |
| 3162 | [DW_AT_stmt_list] = "stmt_list", |
| 3163 | [DW_AT_low_pc] = "low_pc", |
| 3164 | [DW_AT_high_pc] = "high_pc", |
| 3165 | [DW_AT_language] = "language", |
| 3166 | [DW_AT_member] = "member", |
| 3167 | [DW_AT_discr] = "discr", |
| 3168 | [DW_AT_discr_value] = "discr_value", |
| 3169 | [DW_AT_visibility] = "visibility", |
| 3170 | [DW_AT_import] = "import", |
| 3171 | [DW_AT_string_length] = "string_length", |
| 3172 | [DW_AT_common_reference] = "common_reference", |
| 3173 | [DW_AT_comp_dir] = "comp_dir", |
| 3174 | [DW_AT_const_value] = "const_value", |
| 3175 | [DW_AT_containing_type] = "containing_type", |
| 3176 | [DW_AT_default_value] = "default_value", |
| 3177 | [DW_AT_inline] = "inline", |
| 3178 | [DW_AT_is_optional] = "is_optional", |
| 3179 | [DW_AT_lower_bound] = "lower_bound", |
| 3180 | [DW_AT_producer] = "producer", |
| 3181 | [DW_AT_prototyped] = "prototyped", |
| 3182 | [DW_AT_return_addr] = "return_addr", |
| 3183 | [DW_AT_start_scope] = "start_scope", |
Roland McGrath | 060fa05 | 2006-03-02 07:51:50 +0000 | [diff] [blame] | 3184 | [DW_AT_bit_stride] = "bit_stride", |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 3185 | [DW_AT_upper_bound] = "upper_bound", |
| 3186 | [DW_AT_abstract_origin] = "abstract_origin", |
| 3187 | [DW_AT_accessibility] = "accessibility", |
| 3188 | [DW_AT_address_class] = "address_class", |
| 3189 | [DW_AT_artificial] = "artificial", |
| 3190 | [DW_AT_base_types] = "base_types", |
| 3191 | [DW_AT_calling_convention] = "calling_convention", |
| 3192 | [DW_AT_count] = "count", |
| 3193 | [DW_AT_data_member_location] = "data_member_location", |
| 3194 | [DW_AT_decl_column] = "decl_column", |
| 3195 | [DW_AT_decl_file] = "decl_file", |
| 3196 | [DW_AT_decl_line] = "decl_line", |
| 3197 | [DW_AT_declaration] = "declaration", |
| 3198 | [DW_AT_discr_list] = "discr_list", |
| 3199 | [DW_AT_encoding] = "encoding", |
| 3200 | [DW_AT_external] = "external", |
| 3201 | [DW_AT_frame_base] = "frame_base", |
| 3202 | [DW_AT_friend] = "friend", |
| 3203 | [DW_AT_identifier_case] = "identifier_case", |
| 3204 | [DW_AT_macro_info] = "macro_info", |
Roland McGrath | 060fa05 | 2006-03-02 07:51:50 +0000 | [diff] [blame] | 3205 | [DW_AT_namelist_item] = "namelist_item", |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 3206 | [DW_AT_priority] = "priority", |
| 3207 | [DW_AT_segment] = "segment", |
| 3208 | [DW_AT_specification] = "specification", |
| 3209 | [DW_AT_static_link] = "static_link", |
| 3210 | [DW_AT_type] = "type", |
| 3211 | [DW_AT_use_location] = "use_location", |
| 3212 | [DW_AT_variable_parameter] = "variable_parameter", |
| 3213 | [DW_AT_virtuality] = "virtuality", |
| 3214 | [DW_AT_vtable_elem_location] = "vtable_elem_location", |
| 3215 | [DW_AT_allocated] = "allocated", |
| 3216 | [DW_AT_associated] = "associated", |
| 3217 | [DW_AT_data_location] = "data_location", |
Roland McGrath | 060fa05 | 2006-03-02 07:51:50 +0000 | [diff] [blame] | 3218 | [DW_AT_byte_stride] = "byte_stride", |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 3219 | [DW_AT_entry_pc] = "entry_pc", |
| 3220 | [DW_AT_use_UTF8] = "use_UTF8", |
| 3221 | [DW_AT_extension] = "extension", |
| 3222 | [DW_AT_ranges] = "ranges", |
| 3223 | [DW_AT_trampoline] = "trampoline", |
| 3224 | [DW_AT_call_column] = "call_column", |
| 3225 | [DW_AT_call_file] = "call_file", |
| 3226 | [DW_AT_call_line] = "call_line", |
Roland McGrath | 060fa05 | 2006-03-02 07:51:50 +0000 | [diff] [blame] | 3227 | [DW_AT_description] = "description", |
| 3228 | [DW_AT_binary_scale] = "binary_scale", |
| 3229 | [DW_AT_decimal_scale] = "decimal_scale", |
| 3230 | [DW_AT_small] = "small", |
| 3231 | [DW_AT_decimal_sign] = "decimal_sign", |
| 3232 | [DW_AT_digit_count] = "digit_count", |
| 3233 | [DW_AT_picture_string] = "picture_string", |
| 3234 | [DW_AT_mutable] = "mutable", |
| 3235 | [DW_AT_threads_scaled] = "threads_scaled", |
| 3236 | [DW_AT_explicit] = "explicit", |
| 3237 | [DW_AT_object_pointer] = "object_pointer", |
| 3238 | [DW_AT_endianity] = "endianity", |
| 3239 | [DW_AT_elemental] = "elemental", |
| 3240 | [DW_AT_pure] = "pure", |
| 3241 | [DW_AT_recursive] = "recursive", |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 3242 | }; |
| 3243 | const unsigned int nknown_attrs = (sizeof (known_attrs) |
| 3244 | / sizeof (known_attrs[0])); |
| 3245 | static char buf[40]; |
| 3246 | const char *result = NULL; |
| 3247 | |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 3248 | if (likely (attrnum < nknown_attrs)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 3249 | result = known_attrs[attrnum]; |
| 3250 | |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 3251 | if (unlikely (result == NULL)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 3252 | /* There are a few known extensions. */ |
| 3253 | switch (attrnum) |
| 3254 | { |
| 3255 | case DW_AT_MIPS_fde: |
| 3256 | result = "MIPS_fde"; |
| 3257 | break; |
| 3258 | |
| 3259 | case DW_AT_MIPS_loop_begin: |
| 3260 | result = "MIPS_loop_begin"; |
| 3261 | break; |
| 3262 | |
| 3263 | case DW_AT_MIPS_tail_loop_begin: |
| 3264 | result = "MIPS_tail_loop_begin"; |
| 3265 | break; |
| 3266 | |
| 3267 | case DW_AT_MIPS_epilog_begin: |
| 3268 | result = "MIPS_epilog_begin"; |
| 3269 | break; |
| 3270 | |
| 3271 | case DW_AT_MIPS_loop_unroll_factor: |
| 3272 | result = "MIPS_loop_unroll_factor"; |
| 3273 | break; |
| 3274 | |
| 3275 | case DW_AT_MIPS_software_pipeline_depth: |
| 3276 | result = "MIPS_software_pipeline_depth"; |
| 3277 | break; |
| 3278 | |
| 3279 | case DW_AT_MIPS_linkage_name: |
| 3280 | result = "MIPS_linkage_name"; |
| 3281 | break; |
| 3282 | |
| 3283 | case DW_AT_MIPS_stride: |
| 3284 | result = "MIPS_stride"; |
| 3285 | break; |
| 3286 | |
| 3287 | case DW_AT_MIPS_abstract_name: |
| 3288 | result = "MIPS_abstract_name"; |
| 3289 | break; |
| 3290 | |
| 3291 | case DW_AT_MIPS_clone_origin: |
| 3292 | result = "MIPS_clone_origin"; |
| 3293 | break; |
| 3294 | |
| 3295 | case DW_AT_MIPS_has_inlines: |
| 3296 | result = "MIPS_has_inlines"; |
| 3297 | break; |
| 3298 | |
| 3299 | case DW_AT_MIPS_stride_byte: |
| 3300 | result = "MIPS_stride_byte"; |
| 3301 | break; |
| 3302 | |
| 3303 | case DW_AT_MIPS_stride_elem: |
| 3304 | result = "MIPS_stride_elem"; |
| 3305 | break; |
| 3306 | |
| 3307 | case DW_AT_MIPS_ptr_dopetype: |
| 3308 | result = "MIPS_ptr_dopetype"; |
| 3309 | break; |
| 3310 | |
| 3311 | case DW_AT_MIPS_allocatable_dopetype: |
| 3312 | result = "MIPS_allocatable_dopetype"; |
| 3313 | break; |
| 3314 | |
| 3315 | case DW_AT_MIPS_assumed_shape_dopetype: |
| 3316 | result = "MIPS_assumed_shape_dopetype"; |
| 3317 | break; |
| 3318 | |
| 3319 | case DW_AT_MIPS_assumed_size: |
| 3320 | result = "MIPS_assumed_size"; |
| 3321 | break; |
| 3322 | |
| 3323 | case DW_AT_sf_names: |
| 3324 | result = "sf_names"; |
| 3325 | break; |
| 3326 | |
| 3327 | case DW_AT_src_info: |
| 3328 | result = "src_info"; |
| 3329 | break; |
| 3330 | |
| 3331 | case DW_AT_mac_info: |
| 3332 | result = "mac_info"; |
| 3333 | break; |
| 3334 | |
| 3335 | case DW_AT_src_coords: |
| 3336 | result = "src_coords"; |
| 3337 | break; |
| 3338 | |
| 3339 | case DW_AT_body_begin: |
| 3340 | result = "body_begin"; |
| 3341 | break; |
| 3342 | |
| 3343 | case DW_AT_body_end: |
| 3344 | result = "body_end"; |
| 3345 | break; |
| 3346 | |
| 3347 | default: |
| 3348 | if (attrnum < DW_AT_lo_user) |
| 3349 | snprintf (buf, sizeof buf, gettext ("unknown attribute %hx"), |
| 3350 | attrnum); |
| 3351 | else |
| 3352 | snprintf (buf, sizeof buf, gettext ("unknown user attribute %hx"), |
| 3353 | attrnum); |
| 3354 | result = buf; |
| 3355 | break; |
| 3356 | } |
| 3357 | |
| 3358 | return result; |
| 3359 | } |
| 3360 | |
| 3361 | |
| 3362 | static const char * |
| 3363 | dwarf_form_string (unsigned int form) |
| 3364 | { |
Ulrich Drepper | 8b38310 | 2007-02-16 00:31:57 +0000 | [diff] [blame] | 3365 | static const char *const known_forms[] = |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 3366 | { |
| 3367 | [DW_FORM_addr] = "addr", |
| 3368 | [DW_FORM_block2] = "block2", |
| 3369 | [DW_FORM_block4] = "block4", |
| 3370 | [DW_FORM_data2] = "data2", |
| 3371 | [DW_FORM_data4] = "data4", |
| 3372 | [DW_FORM_data8] = "data8", |
| 3373 | [DW_FORM_string] = "string", |
| 3374 | [DW_FORM_block] = "block", |
| 3375 | [DW_FORM_block1] = "block1", |
| 3376 | [DW_FORM_data1] = "data1", |
| 3377 | [DW_FORM_flag] = "flag", |
| 3378 | [DW_FORM_sdata] = "sdata", |
| 3379 | [DW_FORM_strp] = "strp", |
| 3380 | [DW_FORM_udata] = "udata", |
| 3381 | [DW_FORM_ref_addr] = "ref_addr", |
| 3382 | [DW_FORM_ref1] = "ref1", |
| 3383 | [DW_FORM_ref2] = "ref2", |
| 3384 | [DW_FORM_ref4] = "ref4", |
| 3385 | [DW_FORM_ref8] = "ref8", |
| 3386 | [DW_FORM_ref_udata] = "ref_udata", |
| 3387 | [DW_FORM_indirect] = "indirect" |
| 3388 | }; |
| 3389 | const unsigned int nknown_forms = (sizeof (known_forms) |
| 3390 | / sizeof (known_forms[0])); |
| 3391 | static char buf[40]; |
| 3392 | const char *result = NULL; |
| 3393 | |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 3394 | if (likely (form < nknown_forms)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 3395 | result = known_forms[form]; |
| 3396 | |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 3397 | if (unlikely (result == NULL)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 3398 | snprintf (buf, sizeof buf, gettext ("unknown form %" PRIx64), |
| 3399 | (uint64_t) form); |
| 3400 | |
| 3401 | return result; |
| 3402 | } |
| 3403 | |
| 3404 | |
| 3405 | static const char * |
| 3406 | dwarf_lang_string (unsigned int lang) |
| 3407 | { |
Ulrich Drepper | 8b38310 | 2007-02-16 00:31:57 +0000 | [diff] [blame] | 3408 | static const char *const known[] = |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 3409 | { |
| 3410 | [DW_LANG_C89] = "ISO C89", |
| 3411 | [DW_LANG_C] = "C", |
| 3412 | [DW_LANG_Ada83] = "Ada83", |
Roland McGrath | 060fa05 | 2006-03-02 07:51:50 +0000 | [diff] [blame] | 3413 | [DW_LANG_C_plus_plus] = "C++", |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 3414 | [DW_LANG_Cobol74] = "Cobol74", |
| 3415 | [DW_LANG_Cobol85] = "Cobol85", |
| 3416 | [DW_LANG_Fortran77] = "Fortran77", |
| 3417 | [DW_LANG_Fortran90] = "Fortran90", |
| 3418 | [DW_LANG_Pascal83] = "Pascal83", |
| 3419 | [DW_LANG_Modula2] = "Modula2", |
| 3420 | [DW_LANG_Java] = "Java", |
| 3421 | [DW_LANG_C99] = "ISO C99", |
| 3422 | [DW_LANG_Ada95] = "Ada95", |
| 3423 | [DW_LANG_Fortran95] = "Fortran95", |
Roland McGrath | 060fa05 | 2006-03-02 07:51:50 +0000 | [diff] [blame] | 3424 | [DW_LANG_PL1] = "PL1", |
| 3425 | [DW_LANG_Objc] = "Objective C", |
| 3426 | [DW_LANG_ObjC_plus_plus] = "Objective C++", |
| 3427 | [DW_LANG_UPC] = "UPC", |
| 3428 | [DW_LANG_D] = "D", |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 3429 | }; |
| 3430 | |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 3431 | if (likely (lang < sizeof (known) / sizeof (known[0]))) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 3432 | return known[lang]; |
| 3433 | else if (lang == DW_LANG_Mips_Assembler) |
| 3434 | /* This language tag is used for assembler in general. */ |
| 3435 | return "Assembler"; |
| 3436 | |
| 3437 | if (lang >= DW_LANG_lo_user && lang <= DW_LANG_hi_user) |
| 3438 | { |
| 3439 | static char buf[30]; |
| 3440 | snprintf (buf, sizeof (buf), "lo_user+%u", lang - DW_LANG_lo_user); |
| 3441 | return buf; |
| 3442 | } |
| 3443 | |
| 3444 | return "???"; |
| 3445 | } |
| 3446 | |
| 3447 | |
| 3448 | static const char * |
| 3449 | dwarf_inline_string (unsigned int code) |
| 3450 | { |
Ulrich Drepper | 8b38310 | 2007-02-16 00:31:57 +0000 | [diff] [blame] | 3451 | static const char *const known[] = |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 3452 | { |
| 3453 | [DW_INL_not_inlined] = "not_inlined", |
| 3454 | [DW_INL_inlined] = "inlined", |
| 3455 | [DW_INL_declared_not_inlined] = "declared_not_inlined", |
| 3456 | [DW_INL_declared_inlined] = "declared_inlined" |
| 3457 | }; |
| 3458 | |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 3459 | if (likely (code < sizeof (known) / sizeof (known[0]))) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 3460 | return known[code]; |
| 3461 | |
| 3462 | return "???"; |
| 3463 | } |
| 3464 | |
| 3465 | |
| 3466 | static const char * |
| 3467 | dwarf_encoding_string (unsigned int code) |
| 3468 | { |
Ulrich Drepper | 8b38310 | 2007-02-16 00:31:57 +0000 | [diff] [blame] | 3469 | static const char *const known[] = |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 3470 | { |
| 3471 | [DW_ATE_void] = "void", |
| 3472 | [DW_ATE_address] = "address", |
| 3473 | [DW_ATE_boolean] = "boolean", |
| 3474 | [DW_ATE_complex_float] = "complex_float", |
| 3475 | [DW_ATE_float] = "float", |
| 3476 | [DW_ATE_signed] = "signed", |
| 3477 | [DW_ATE_signed_char] = "signed_char", |
| 3478 | [DW_ATE_unsigned] = "unsigned", |
| 3479 | [DW_ATE_unsigned_char] = "unsigned_char", |
Roland McGrath | 060fa05 | 2006-03-02 07:51:50 +0000 | [diff] [blame] | 3480 | [DW_ATE_imaginary_float] = "imaginary_float", |
| 3481 | [DW_ATE_packed_decimal] = "packed_decimal", |
| 3482 | [DW_ATE_numeric_string] = "numeric_string", |
| 3483 | [DW_ATE_edited] = "edited", |
| 3484 | [DW_ATE_signed_fixed] = "signed_fixed", |
| 3485 | [DW_ATE_unsigned_fixed] = "unsigned_fixed", |
| 3486 | [DW_ATE_decimal_float] = "decimal_float", |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 3487 | }; |
| 3488 | |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 3489 | if (likely (code < sizeof (known) / sizeof (known[0]))) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 3490 | return known[code]; |
| 3491 | |
| 3492 | if (code >= DW_ATE_lo_user && code <= DW_ATE_hi_user) |
| 3493 | { |
| 3494 | static char buf[30]; |
| 3495 | snprintf (buf, sizeof (buf), "lo_user+%u", code - DW_ATE_lo_user); |
| 3496 | return buf; |
| 3497 | } |
| 3498 | |
| 3499 | return "???"; |
| 3500 | } |
| 3501 | |
| 3502 | |
| 3503 | static const char * |
| 3504 | dwarf_access_string (unsigned int code) |
| 3505 | { |
Ulrich Drepper | 8b38310 | 2007-02-16 00:31:57 +0000 | [diff] [blame] | 3506 | static const char *const known[] = |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 3507 | { |
| 3508 | [DW_ACCESS_public] = "public", |
| 3509 | [DW_ACCESS_protected] = "protected", |
| 3510 | [DW_ACCESS_private] = "private" |
| 3511 | }; |
| 3512 | |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 3513 | if (likely (code < sizeof (known) / sizeof (known[0]))) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 3514 | return known[code]; |
| 3515 | |
| 3516 | return "???"; |
| 3517 | } |
| 3518 | |
| 3519 | |
| 3520 | static const char * |
| 3521 | dwarf_visibility_string (unsigned int code) |
| 3522 | { |
Ulrich Drepper | 8b38310 | 2007-02-16 00:31:57 +0000 | [diff] [blame] | 3523 | static const char *const known[] = |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 3524 | { |
| 3525 | [DW_VIS_local] = "local", |
| 3526 | [DW_VIS_exported] = "exported", |
| 3527 | [DW_VIS_qualified] = "qualified" |
| 3528 | }; |
| 3529 | |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 3530 | if (likely (code < sizeof (known) / sizeof (known[0]))) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 3531 | return known[code]; |
| 3532 | |
| 3533 | return "???"; |
| 3534 | } |
| 3535 | |
| 3536 | |
| 3537 | static const char * |
| 3538 | dwarf_virtuality_string (unsigned int code) |
| 3539 | { |
Ulrich Drepper | 8b38310 | 2007-02-16 00:31:57 +0000 | [diff] [blame] | 3540 | static const char *const known[] = |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 3541 | { |
| 3542 | [DW_VIRTUALITY_none] = "none", |
| 3543 | [DW_VIRTUALITY_virtual] = "virtual", |
| 3544 | [DW_VIRTUALITY_pure_virtual] = "pure_virtual" |
| 3545 | }; |
| 3546 | |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 3547 | if (likely (code < sizeof (known) / sizeof (known[0]))) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 3548 | return known[code]; |
| 3549 | |
| 3550 | return "???"; |
| 3551 | } |
| 3552 | |
| 3553 | |
| 3554 | static const char * |
| 3555 | dwarf_identifier_case_string (unsigned int code) |
| 3556 | { |
Ulrich Drepper | 8b38310 | 2007-02-16 00:31:57 +0000 | [diff] [blame] | 3557 | static const char *const known[] = |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 3558 | { |
| 3559 | [DW_ID_case_sensitive] = "sensitive", |
| 3560 | [DW_ID_up_case] = "up_case", |
| 3561 | [DW_ID_down_case] = "down_case", |
| 3562 | [DW_ID_case_insensitive] = "insensitive" |
| 3563 | }; |
| 3564 | |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 3565 | if (likely (code < sizeof (known) / sizeof (known[0]))) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 3566 | return known[code]; |
| 3567 | |
| 3568 | return "???"; |
| 3569 | } |
| 3570 | |
| 3571 | |
| 3572 | static const char * |
| 3573 | dwarf_calling_convention_string (unsigned int code) |
| 3574 | { |
Ulrich Drepper | 8b38310 | 2007-02-16 00:31:57 +0000 | [diff] [blame] | 3575 | static const char *const known[] = |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 3576 | { |
| 3577 | [DW_CC_normal] = "normal", |
| 3578 | [DW_CC_program] = "program", |
| 3579 | [DW_CC_nocall] = "nocall", |
| 3580 | }; |
| 3581 | |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 3582 | if (likely (code < sizeof (known) / sizeof (known[0]))) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 3583 | return known[code]; |
| 3584 | |
| 3585 | if (code >= DW_CC_lo_user && code <= DW_CC_hi_user) |
| 3586 | { |
| 3587 | static char buf[30]; |
| 3588 | snprintf (buf, sizeof (buf), "lo_user+%u", code - DW_CC_lo_user); |
| 3589 | return buf; |
| 3590 | } |
| 3591 | |
| 3592 | return "???"; |
| 3593 | } |
| 3594 | |
| 3595 | |
| 3596 | static const char * |
| 3597 | dwarf_ordering_string (unsigned int code) |
| 3598 | { |
Ulrich Drepper | 8b38310 | 2007-02-16 00:31:57 +0000 | [diff] [blame] | 3599 | static const char *const known[] = |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 3600 | { |
| 3601 | [DW_ORD_row_major] = "row_major", |
| 3602 | [DW_ORD_col_major] = "col_major" |
| 3603 | }; |
| 3604 | |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 3605 | if (likely (code < sizeof (known) / sizeof (known[0]))) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 3606 | return known[code]; |
| 3607 | |
| 3608 | return "???"; |
| 3609 | } |
| 3610 | |
| 3611 | |
| 3612 | static const char * |
| 3613 | dwarf_discr_list_string (unsigned int code) |
| 3614 | { |
Ulrich Drepper | 8b38310 | 2007-02-16 00:31:57 +0000 | [diff] [blame] | 3615 | static const char *const known[] = |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 3616 | { |
| 3617 | [DW_DSC_label] = "label", |
| 3618 | [DW_DSC_range] = "range" |
| 3619 | }; |
| 3620 | |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 3621 | if (likely (code < sizeof (known) / sizeof (known[0]))) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 3622 | return known[code]; |
| 3623 | |
| 3624 | return "???"; |
| 3625 | } |
| 3626 | |
| 3627 | |
| 3628 | static void |
Ulrich Drepper | b597dfa | 2007-10-16 05:21:27 +0000 | [diff] [blame] | 3629 | print_ops (Dwfl_Module *dwflmod, Dwarf *dbg, int indent, int indentrest, |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 3630 | unsigned int addrsize, Dwarf_Word len, const unsigned char *data) |
| 3631 | { |
Ulrich Drepper | 8b38310 | 2007-02-16 00:31:57 +0000 | [diff] [blame] | 3632 | static const char *const known[] = |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 3633 | { |
| 3634 | [DW_OP_addr] = "addr", |
| 3635 | [DW_OP_deref] = "deref", |
| 3636 | [DW_OP_const1u] = "const1u", |
| 3637 | [DW_OP_const1s] = "const1s", |
| 3638 | [DW_OP_const2u] = "const2u", |
| 3639 | [DW_OP_const2s] = "const2s", |
| 3640 | [DW_OP_const4u] = "const4u", |
| 3641 | [DW_OP_const4s] = "const4s", |
| 3642 | [DW_OP_const8u] = "const8u", |
| 3643 | [DW_OP_const8s] = "const8s", |
| 3644 | [DW_OP_constu] = "constu", |
| 3645 | [DW_OP_consts] = "consts", |
| 3646 | [DW_OP_dup] = "dup", |
| 3647 | [DW_OP_drop] = "drop", |
| 3648 | [DW_OP_over] = "over", |
| 3649 | [DW_OP_pick] = "pick", |
| 3650 | [DW_OP_swap] = "swap", |
| 3651 | [DW_OP_rot] = "rot", |
| 3652 | [DW_OP_xderef] = "xderef", |
| 3653 | [DW_OP_abs] = "abs", |
| 3654 | [DW_OP_and] = "and", |
| 3655 | [DW_OP_div] = "div", |
| 3656 | [DW_OP_minus] = "minus", |
| 3657 | [DW_OP_mod] = "mod", |
| 3658 | [DW_OP_mul] = "mul", |
| 3659 | [DW_OP_neg] = "neg", |
| 3660 | [DW_OP_not] = "not", |
| 3661 | [DW_OP_or] = "or", |
| 3662 | [DW_OP_plus] = "plus", |
| 3663 | [DW_OP_plus_uconst] = "plus_uconst", |
| 3664 | [DW_OP_shl] = "shl", |
| 3665 | [DW_OP_shr] = "shr", |
| 3666 | [DW_OP_shra] = "shra", |
| 3667 | [DW_OP_xor] = "xor", |
| 3668 | [DW_OP_bra] = "bra", |
| 3669 | [DW_OP_eq] = "eq", |
| 3670 | [DW_OP_ge] = "ge", |
| 3671 | [DW_OP_gt] = "gt", |
| 3672 | [DW_OP_le] = "le", |
| 3673 | [DW_OP_lt] = "lt", |
| 3674 | [DW_OP_ne] = "ne", |
| 3675 | [DW_OP_skip] = "skip", |
| 3676 | [DW_OP_lit0] = "lit0", |
| 3677 | [DW_OP_lit1] = "lit1", |
| 3678 | [DW_OP_lit2] = "lit2", |
| 3679 | [DW_OP_lit3] = "lit3", |
| 3680 | [DW_OP_lit4] = "lit4", |
| 3681 | [DW_OP_lit5] = "lit5", |
| 3682 | [DW_OP_lit6] = "lit6", |
| 3683 | [DW_OP_lit7] = "lit7", |
| 3684 | [DW_OP_lit8] = "lit8", |
| 3685 | [DW_OP_lit9] = "lit9", |
| 3686 | [DW_OP_lit10] = "lit10", |
| 3687 | [DW_OP_lit11] = "lit11", |
| 3688 | [DW_OP_lit12] = "lit12", |
| 3689 | [DW_OP_lit13] = "lit13", |
| 3690 | [DW_OP_lit14] = "lit14", |
| 3691 | [DW_OP_lit15] = "lit15", |
| 3692 | [DW_OP_lit16] = "lit16", |
| 3693 | [DW_OP_lit17] = "lit17", |
| 3694 | [DW_OP_lit18] = "lit18", |
| 3695 | [DW_OP_lit19] = "lit19", |
| 3696 | [DW_OP_lit20] = "lit20", |
| 3697 | [DW_OP_lit21] = "lit21", |
| 3698 | [DW_OP_lit22] = "lit22", |
| 3699 | [DW_OP_lit23] = "lit23", |
| 3700 | [DW_OP_lit24] = "lit24", |
| 3701 | [DW_OP_lit25] = "lit25", |
| 3702 | [DW_OP_lit26] = "lit26", |
| 3703 | [DW_OP_lit27] = "lit27", |
| 3704 | [DW_OP_lit28] = "lit28", |
| 3705 | [DW_OP_lit29] = "lit29", |
| 3706 | [DW_OP_lit30] = "lit30", |
| 3707 | [DW_OP_lit31] = "lit31", |
| 3708 | [DW_OP_reg0] = "reg0", |
| 3709 | [DW_OP_reg1] = "reg1", |
| 3710 | [DW_OP_reg2] = "reg2", |
| 3711 | [DW_OP_reg3] = "reg3", |
| 3712 | [DW_OP_reg4] = "reg4", |
| 3713 | [DW_OP_reg5] = "reg5", |
| 3714 | [DW_OP_reg6] = "reg6", |
| 3715 | [DW_OP_reg7] = "reg7", |
| 3716 | [DW_OP_reg8] = "reg8", |
| 3717 | [DW_OP_reg9] = "reg9", |
| 3718 | [DW_OP_reg10] = "reg10", |
| 3719 | [DW_OP_reg11] = "reg11", |
| 3720 | [DW_OP_reg12] = "reg12", |
| 3721 | [DW_OP_reg13] = "reg13", |
| 3722 | [DW_OP_reg14] = "reg14", |
| 3723 | [DW_OP_reg15] = "reg15", |
| 3724 | [DW_OP_reg16] = "reg16", |
| 3725 | [DW_OP_reg17] = "reg17", |
| 3726 | [DW_OP_reg18] = "reg18", |
| 3727 | [DW_OP_reg19] = "reg19", |
| 3728 | [DW_OP_reg20] = "reg20", |
| 3729 | [DW_OP_reg21] = "reg21", |
| 3730 | [DW_OP_reg22] = "reg22", |
| 3731 | [DW_OP_reg23] = "reg23", |
| 3732 | [DW_OP_reg24] = "reg24", |
| 3733 | [DW_OP_reg25] = "reg25", |
| 3734 | [DW_OP_reg26] = "reg26", |
| 3735 | [DW_OP_reg27] = "reg27", |
| 3736 | [DW_OP_reg28] = "reg28", |
| 3737 | [DW_OP_reg29] = "reg29", |
| 3738 | [DW_OP_reg30] = "reg30", |
| 3739 | [DW_OP_reg31] = "reg31", |
| 3740 | [DW_OP_breg0] = "breg0", |
| 3741 | [DW_OP_breg1] = "breg1", |
| 3742 | [DW_OP_breg2] = "breg2", |
| 3743 | [DW_OP_breg3] = "breg3", |
| 3744 | [DW_OP_breg4] = "breg4", |
| 3745 | [DW_OP_breg5] = "breg5", |
| 3746 | [DW_OP_breg6] = "breg6", |
| 3747 | [DW_OP_breg7] = "breg7", |
| 3748 | [DW_OP_breg8] = "breg8", |
| 3749 | [DW_OP_breg9] = "breg9", |
| 3750 | [DW_OP_breg10] = "breg10", |
| 3751 | [DW_OP_breg11] = "breg11", |
| 3752 | [DW_OP_breg12] = "breg12", |
| 3753 | [DW_OP_breg13] = "breg13", |
| 3754 | [DW_OP_breg14] = "breg14", |
| 3755 | [DW_OP_breg15] = "breg15", |
| 3756 | [DW_OP_breg16] = "breg16", |
| 3757 | [DW_OP_breg17] = "breg17", |
| 3758 | [DW_OP_breg18] = "breg18", |
| 3759 | [DW_OP_breg19] = "breg19", |
| 3760 | [DW_OP_breg20] = "breg20", |
| 3761 | [DW_OP_breg21] = "breg21", |
| 3762 | [DW_OP_breg22] = "breg22", |
| 3763 | [DW_OP_breg23] = "breg23", |
| 3764 | [DW_OP_breg24] = "breg24", |
| 3765 | [DW_OP_breg25] = "breg25", |
| 3766 | [DW_OP_breg26] = "breg26", |
| 3767 | [DW_OP_breg27] = "breg27", |
| 3768 | [DW_OP_breg28] = "breg28", |
| 3769 | [DW_OP_breg29] = "breg29", |
| 3770 | [DW_OP_breg30] = "breg30", |
| 3771 | [DW_OP_breg31] = "breg31", |
| 3772 | [DW_OP_regx] = "regx", |
| 3773 | [DW_OP_fbreg] = "fbreg", |
| 3774 | [DW_OP_bregx] = "bregx", |
| 3775 | [DW_OP_piece] = "piece", |
| 3776 | [DW_OP_deref_size] = "deref_size", |
| 3777 | [DW_OP_xderef_size] = "xderef_size", |
| 3778 | [DW_OP_nop] = "nop", |
| 3779 | [DW_OP_push_object_address] = "push_object_address", |
| 3780 | [DW_OP_call2] = "call2", |
| 3781 | [DW_OP_call4] = "call4", |
| 3782 | [DW_OP_call_ref] = "call_ref", |
Roland McGrath | 060fa05 | 2006-03-02 07:51:50 +0000 | [diff] [blame] | 3783 | [DW_OP_form_tls_address] = "form_tls_address", |
| 3784 | [DW_OP_call_frame_cfa] = "call_frame_cfa", |
| 3785 | [DW_OP_bit_piece] = "bit_piece", |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 3786 | }; |
| 3787 | |
Roland McGrath | 51f0128 | 2009-01-27 17:08:03 -0800 | [diff] [blame^] | 3788 | if (len == 0) |
| 3789 | { |
| 3790 | printf ("%*s(empty)\n", indent, ""); |
| 3791 | return; |
| 3792 | } |
| 3793 | |
| 3794 | #define NEED(n) if (len < n) goto invalid; |
| 3795 | |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 3796 | Dwarf_Word offset = 0; |
| 3797 | while (len-- > 0) |
| 3798 | { |
Roland McGrath | 1a2e8f4 | 2007-12-15 23:39:34 +0000 | [diff] [blame] | 3799 | uint_fast8_t op = *data++; |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 3800 | |
| 3801 | switch (op) |
| 3802 | { |
| 3803 | case DW_OP_call_ref: |
| 3804 | case DW_OP_addr:; |
| 3805 | /* Address operand. */ |
| 3806 | Dwarf_Word addr; |
Roland McGrath | 51f0128 | 2009-01-27 17:08:03 -0800 | [diff] [blame^] | 3807 | NEED (addrsize); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 3808 | if (addrsize == 4) |
| 3809 | addr = read_4ubyte_unaligned (dbg, data); |
| 3810 | else |
| 3811 | { |
| 3812 | assert (addrsize == 8); |
| 3813 | addr = read_8ubyte_unaligned (dbg, data); |
| 3814 | } |
| 3815 | data += addrsize; |
| 3816 | len -= addrsize; |
| 3817 | |
Ulrich Drepper | b597dfa | 2007-10-16 05:21:27 +0000 | [diff] [blame] | 3818 | if (op == DW_OP_addr) |
| 3819 | { |
| 3820 | char *a = format_dwarf_addr (dwflmod, 0, addr); |
| 3821 | printf ("%*s[%4" PRIuMAX "] %s %s\n", |
Ulrich Drepper | ac194d0 | 2009-01-06 00:30:01 -0800 | [diff] [blame] | 3822 | indent, "", (uintmax_t) offset, known[op], a); |
Ulrich Drepper | b597dfa | 2007-10-16 05:21:27 +0000 | [diff] [blame] | 3823 | free (a); |
| 3824 | } |
| 3825 | else |
| 3826 | printf ("%*s[%4" PRIuMAX "] %s %#" PRIxMAX "\n", |
| 3827 | indent, "", (uintmax_t) offset, |
Ulrich Drepper | ac194d0 | 2009-01-06 00:30:01 -0800 | [diff] [blame] | 3828 | known[op], (uintmax_t) addr); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 3829 | offset += 1 + addrsize; |
| 3830 | break; |
| 3831 | |
Roland McGrath | 060fa05 | 2006-03-02 07:51:50 +0000 | [diff] [blame] | 3832 | case DW_OP_deref_size: |
| 3833 | case DW_OP_xderef_size: |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 3834 | case DW_OP_pick: |
| 3835 | case DW_OP_const1u: |
Ulrich Drepper | ac194d0 | 2009-01-06 00:30:01 -0800 | [diff] [blame] | 3836 | // XXX value might be modified by relocation |
Roland McGrath | 51f0128 | 2009-01-27 17:08:03 -0800 | [diff] [blame^] | 3837 | NEED (1); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 3838 | printf ("%*s[%4" PRIuMAX "] %s %" PRIu8 "\n", |
| 3839 | indent, "", (uintmax_t) offset, |
Ulrich Drepper | ac194d0 | 2009-01-06 00:30:01 -0800 | [diff] [blame] | 3840 | known[op], *((uint8_t *) data)); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 3841 | ++data; |
| 3842 | --len; |
| 3843 | offset += 2; |
| 3844 | break; |
| 3845 | |
| 3846 | case DW_OP_const2u: |
Roland McGrath | 51f0128 | 2009-01-27 17:08:03 -0800 | [diff] [blame^] | 3847 | NEED (2); |
Ulrich Drepper | ac194d0 | 2009-01-06 00:30:01 -0800 | [diff] [blame] | 3848 | // XXX value might be modified by relocation |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 3849 | printf ("%*s[%4" PRIuMAX "] %s %" PRIu16 "\n", |
| 3850 | indent, "", (uintmax_t) offset, |
Ulrich Drepper | ac194d0 | 2009-01-06 00:30:01 -0800 | [diff] [blame] | 3851 | known[op], read_2ubyte_unaligned (dbg, data)); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 3852 | len -= 2; |
| 3853 | data += 2; |
| 3854 | offset += 3; |
| 3855 | break; |
| 3856 | |
| 3857 | case DW_OP_const4u: |
Roland McGrath | 51f0128 | 2009-01-27 17:08:03 -0800 | [diff] [blame^] | 3858 | NEED (4); |
Ulrich Drepper | ac194d0 | 2009-01-06 00:30:01 -0800 | [diff] [blame] | 3859 | // XXX value might be modified by relocation |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 3860 | printf ("%*s[%4" PRIuMAX "] %s %" PRIu32 "\n", |
| 3861 | indent, "", (uintmax_t) offset, |
Ulrich Drepper | ac194d0 | 2009-01-06 00:30:01 -0800 | [diff] [blame] | 3862 | known[op], read_4ubyte_unaligned (dbg, data)); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 3863 | len -= 4; |
| 3864 | data += 4; |
| 3865 | offset += 5; |
| 3866 | break; |
| 3867 | |
| 3868 | case DW_OP_const8u: |
Roland McGrath | 51f0128 | 2009-01-27 17:08:03 -0800 | [diff] [blame^] | 3869 | NEED (8); |
Ulrich Drepper | ac194d0 | 2009-01-06 00:30:01 -0800 | [diff] [blame] | 3870 | // XXX value might be modified by relocation |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 3871 | printf ("%*s[%4" PRIuMAX "] %s %" PRIu64 "\n", |
| 3872 | indent, "", (uintmax_t) offset, |
Ulrich Drepper | ac194d0 | 2009-01-06 00:30:01 -0800 | [diff] [blame] | 3873 | known[op], read_8ubyte_unaligned (dbg, data)); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 3874 | len -= 8; |
| 3875 | data += 8; |
| 3876 | offset += 9; |
| 3877 | break; |
| 3878 | |
| 3879 | case DW_OP_const1s: |
Roland McGrath | 51f0128 | 2009-01-27 17:08:03 -0800 | [diff] [blame^] | 3880 | NEED (1); |
Ulrich Drepper | ac194d0 | 2009-01-06 00:30:01 -0800 | [diff] [blame] | 3881 | // XXX value might be modified by relocation |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 3882 | printf ("%*s[%4" PRIuMAX "] %s %" PRId8 "\n", |
| 3883 | indent, "", (uintmax_t) offset, |
Ulrich Drepper | ac194d0 | 2009-01-06 00:30:01 -0800 | [diff] [blame] | 3884 | known[op], *((int8_t *) data)); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 3885 | ++data; |
| 3886 | --len; |
| 3887 | offset += 2; |
| 3888 | break; |
| 3889 | |
| 3890 | case DW_OP_const2s: |
Roland McGrath | 51f0128 | 2009-01-27 17:08:03 -0800 | [diff] [blame^] | 3891 | NEED (2); |
Ulrich Drepper | ac194d0 | 2009-01-06 00:30:01 -0800 | [diff] [blame] | 3892 | // XXX value might be modified by relocation |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 3893 | printf ("%*s[%4" PRIuMAX "] %s %" PRId16 "\n", |
| 3894 | indent, "", (uintmax_t) offset, |
Ulrich Drepper | ac194d0 | 2009-01-06 00:30:01 -0800 | [diff] [blame] | 3895 | known[op], read_2sbyte_unaligned (dbg, data)); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 3896 | len -= 2; |
| 3897 | data += 2; |
| 3898 | offset += 3; |
| 3899 | break; |
| 3900 | |
| 3901 | case DW_OP_const4s: |
Roland McGrath | 51f0128 | 2009-01-27 17:08:03 -0800 | [diff] [blame^] | 3902 | NEED (4); |
Ulrich Drepper | ac194d0 | 2009-01-06 00:30:01 -0800 | [diff] [blame] | 3903 | // XXX value might be modified by relocation |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 3904 | printf ("%*s[%4" PRIuMAX "] %s %" PRId32 "\n", |
| 3905 | indent, "", (uintmax_t) offset, |
Ulrich Drepper | ac194d0 | 2009-01-06 00:30:01 -0800 | [diff] [blame] | 3906 | known[op], read_4sbyte_unaligned (dbg, data)); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 3907 | len -= 4; |
| 3908 | data += 4; |
| 3909 | offset += 5; |
| 3910 | break; |
| 3911 | |
| 3912 | case DW_OP_const8s: |
Roland McGrath | 51f0128 | 2009-01-27 17:08:03 -0800 | [diff] [blame^] | 3913 | NEED (8); |
Ulrich Drepper | ac194d0 | 2009-01-06 00:30:01 -0800 | [diff] [blame] | 3914 | // XXX value might be modified by relocation |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 3915 | printf ("%*s[%4" PRIuMAX "] %s %" PRId64 "\n", |
| 3916 | indent, "", (uintmax_t) offset, |
Ulrich Drepper | ac194d0 | 2009-01-06 00:30:01 -0800 | [diff] [blame] | 3917 | known[op], read_8sbyte_unaligned (dbg, data)); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 3918 | len -= 8; |
| 3919 | data += 8; |
| 3920 | offset += 9; |
| 3921 | break; |
| 3922 | |
Roland McGrath | 060fa05 | 2006-03-02 07:51:50 +0000 | [diff] [blame] | 3923 | case DW_OP_piece: |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 3924 | case DW_OP_regx: |
| 3925 | case DW_OP_plus_uconst: |
| 3926 | case DW_OP_constu:; |
| 3927 | const unsigned char *start = data; |
| 3928 | unsigned int uleb; |
Roland McGrath | 51f0128 | 2009-01-27 17:08:03 -0800 | [diff] [blame^] | 3929 | get_uleb128 (uleb, data); /* XXX check overrun */ |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 3930 | printf ("%*s[%4" PRIuMAX "] %s %u\n", |
Ulrich Drepper | ac194d0 | 2009-01-06 00:30:01 -0800 | [diff] [blame] | 3931 | indent, "", (uintmax_t) offset, known[op], uleb); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 3932 | len -= data - start; |
| 3933 | offset += 1 + (data - start); |
| 3934 | break; |
| 3935 | |
Roland McGrath | 060fa05 | 2006-03-02 07:51:50 +0000 | [diff] [blame] | 3936 | case DW_OP_bit_piece: |
| 3937 | start = data; |
| 3938 | unsigned int uleb2; |
Roland McGrath | 51f0128 | 2009-01-27 17:08:03 -0800 | [diff] [blame^] | 3939 | get_uleb128 (uleb, data); /* XXX check overrun */ |
| 3940 | get_uleb128 (uleb2, data); /* XXX check overrun */ |
Roland McGrath | 060fa05 | 2006-03-02 07:51:50 +0000 | [diff] [blame] | 3941 | printf ("%*s[%4" PRIuMAX "] %s %u, %u\n", |
Ulrich Drepper | ac194d0 | 2009-01-06 00:30:01 -0800 | [diff] [blame] | 3942 | indent, "", (uintmax_t) offset, known[op], uleb, uleb2); |
Roland McGrath | 060fa05 | 2006-03-02 07:51:50 +0000 | [diff] [blame] | 3943 | len -= data - start; |
| 3944 | offset += 1 + (data - start); |
| 3945 | break; |
| 3946 | |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 3947 | case DW_OP_fbreg: |
| 3948 | case DW_OP_breg0 ... DW_OP_breg31: |
| 3949 | case DW_OP_consts: |
| 3950 | start = data; |
| 3951 | unsigned int sleb; |
Roland McGrath | 51f0128 | 2009-01-27 17:08:03 -0800 | [diff] [blame^] | 3952 | get_sleb128 (sleb, data); /* XXX check overrun */ |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 3953 | printf ("%*s[%4" PRIuMAX "] %s %d\n", |
Ulrich Drepper | ac194d0 | 2009-01-06 00:30:01 -0800 | [diff] [blame] | 3954 | indent, "", (uintmax_t) offset, known[op], sleb); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 3955 | len -= data - start; |
| 3956 | offset += 1 + (data - start); |
| 3957 | break; |
| 3958 | |
| 3959 | case DW_OP_bregx: |
| 3960 | start = data; |
Roland McGrath | 51f0128 | 2009-01-27 17:08:03 -0800 | [diff] [blame^] | 3961 | get_uleb128 (uleb, data); /* XXX check overrun */ |
| 3962 | get_sleb128 (sleb, data); /* XXX check overrun */ |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 3963 | printf ("%*s[%4" PRIuMAX "] %s %u %d\n", |
Ulrich Drepper | ac194d0 | 2009-01-06 00:30:01 -0800 | [diff] [blame] | 3964 | indent, "", (uintmax_t) offset, known[op], uleb, sleb); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 3965 | len -= data - start; |
| 3966 | offset += 1 + (data - start); |
| 3967 | break; |
| 3968 | |
| 3969 | case DW_OP_call2: |
Roland McGrath | 51f0128 | 2009-01-27 17:08:03 -0800 | [diff] [blame^] | 3970 | NEED (2); |
| 3971 | printf ("%*s[%4" PRIuMAX "] %s %" PRIu16 "\n", |
| 3972 | indent, "", (uintmax_t) offset, known[op], |
| 3973 | read_2ubyte_unaligned (dbg, data)); |
| 3974 | len -= 2; |
| 3975 | offset += 3; |
| 3976 | break; |
| 3977 | |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 3978 | case DW_OP_call4: |
Roland McGrath | 51f0128 | 2009-01-27 17:08:03 -0800 | [diff] [blame^] | 3979 | NEED (4); |
| 3980 | printf ("%*s[%4" PRIuMAX "] %s %" PRIu32 "\n", |
| 3981 | indent, "", (uintmax_t) offset, known[op], |
| 3982 | read_4ubyte_unaligned (dbg, data)); |
| 3983 | len -= 4; |
| 3984 | offset += 5; |
| 3985 | break; |
| 3986 | |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 3987 | case DW_OP_skip: |
| 3988 | case DW_OP_bra: |
Roland McGrath | 51f0128 | 2009-01-27 17:08:03 -0800 | [diff] [blame^] | 3989 | NEED (2); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 3990 | printf ("%*s[%4" PRIuMAX "] %s %" PRIuMAX "\n", |
Ulrich Drepper | ac194d0 | 2009-01-06 00:30:01 -0800 | [diff] [blame] | 3991 | indent, "", (uintmax_t) offset, known[op], |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 3992 | (uintmax_t) (offset + read_2sbyte_unaligned (dbg, data))); |
| 3993 | len -= 2; |
| 3994 | data += 2; |
| 3995 | offset += 3; |
| 3996 | break; |
| 3997 | |
| 3998 | default: |
| 3999 | /* No Operand. */ |
Roland McGrath | 1a2e8f4 | 2007-12-15 23:39:34 +0000 | [diff] [blame] | 4000 | if (op < sizeof known / sizeof known[0] && known[op] != NULL) |
| 4001 | printf ("%*s[%4" PRIuMAX "] %s\n", |
| 4002 | indent, "", (uintmax_t) offset, known[op]); |
| 4003 | else |
| 4004 | printf ("%*s[%4" PRIuMAX "] %#x\n", |
| 4005 | indent, "", (uintmax_t) offset, op); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 4006 | ++offset; |
| 4007 | break; |
| 4008 | } |
| 4009 | |
| 4010 | indent = indentrest; |
Roland McGrath | 51f0128 | 2009-01-27 17:08:03 -0800 | [diff] [blame^] | 4011 | continue; |
| 4012 | |
| 4013 | invalid: |
| 4014 | printf (gettext ("%*s[%4" PRIuMAX "] %s <TRUNCATED>\n"), |
| 4015 | indent, "", (uintmax_t) offset, known[op]); |
| 4016 | break; |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 4017 | } |
| 4018 | } |
| 4019 | |
| 4020 | |
| 4021 | static void |
Ulrich Drepper | b597dfa | 2007-10-16 05:21:27 +0000 | [diff] [blame] | 4022 | print_debug_abbrev_section (Dwfl_Module *dwflmod __attribute__ ((unused)), |
| 4023 | Ebl *ebl __attribute__ ((unused)), |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 4024 | GElf_Ehdr *ehdr __attribute__ ((unused)), |
Ulrich Drepper | 351bf20 | 2009-01-15 20:18:40 -0800 | [diff] [blame] | 4025 | Elf_Scn *scn, GElf_Shdr *shdr, Dwarf *dbg) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 4026 | { |
Ulrich Drepper | 351bf20 | 2009-01-15 20:18:40 -0800 | [diff] [blame] | 4027 | printf (gettext ("\nDWARF section [%2zu] '%s' at offset %#" PRIx64 ":\n" |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 4028 | " [ Code]\n"), |
Ulrich Drepper | 351bf20 | 2009-01-15 20:18:40 -0800 | [diff] [blame] | 4029 | elf_ndxscn (scn), ".debug_abbrev", (uint64_t) shdr->sh_offset); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 4030 | |
| 4031 | Dwarf_Off offset = 0; |
| 4032 | while (offset < shdr->sh_size) |
| 4033 | { |
| 4034 | printf (gettext ("\nAbbreviation section at offset %" PRIu64 ":\n"), |
| 4035 | offset); |
| 4036 | |
| 4037 | while (1) |
| 4038 | { |
| 4039 | size_t length; |
| 4040 | Dwarf_Abbrev abbrev; |
| 4041 | |
| 4042 | int res = dwarf_offabbrev (dbg, offset, &length, &abbrev); |
| 4043 | if (res != 0) |
| 4044 | { |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 4045 | if (unlikely (res < 0)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 4046 | { |
| 4047 | printf (gettext ("\ |
| 4048 | *** error while reading abbreviation: %s\n"), |
| 4049 | dwarf_errmsg (-1)); |
| 4050 | return; |
| 4051 | } |
| 4052 | |
| 4053 | /* This is the NUL byte at the end of the section. */ |
| 4054 | ++offset; |
| 4055 | break; |
| 4056 | } |
| 4057 | |
| 4058 | /* We know these calls can never fail. */ |
| 4059 | unsigned int code = dwarf_getabbrevcode (&abbrev); |
| 4060 | unsigned int tag = dwarf_getabbrevtag (&abbrev); |
| 4061 | int has_children = dwarf_abbrevhaschildren (&abbrev); |
| 4062 | |
| 4063 | printf (gettext (" [%5u] offset: %" PRId64 |
| 4064 | ", children: %s, tag: %s\n"), |
| 4065 | code, (int64_t) offset, |
| 4066 | has_children ? gettext ("yes") : gettext ("no"), |
| 4067 | dwarf_tag_string (tag)); |
| 4068 | |
| 4069 | size_t cnt = 0; |
| 4070 | unsigned int name; |
| 4071 | unsigned int form; |
| 4072 | Dwarf_Off enoffset; |
| 4073 | while (dwarf_getabbrevattr (&abbrev, cnt, |
| 4074 | &name, &form, &enoffset) == 0) |
| 4075 | { |
| 4076 | printf (" attr: %s, form: %s, offset: %#" PRIx64 "\n", |
| 4077 | dwarf_attr_string (name), dwarf_form_string (form), |
| 4078 | (uint64_t) enoffset); |
| 4079 | |
| 4080 | ++cnt; |
| 4081 | } |
| 4082 | |
| 4083 | offset += length; |
| 4084 | } |
| 4085 | } |
| 4086 | } |
| 4087 | |
| 4088 | |
| 4089 | /* Print content of DWARF .debug_aranges section. We fortunately do |
| 4090 | not have to know a bit about the structure of the section, libdwarf |
| 4091 | takes care of it. */ |
| 4092 | static void |
Ulrich Drepper | b597dfa | 2007-10-16 05:21:27 +0000 | [diff] [blame] | 4093 | print_debug_aranges_section (Dwfl_Module *dwflmod __attribute__ ((unused)), |
| 4094 | Ebl *ebl __attribute__ ((unused)), |
Ulrich Drepper | 351bf20 | 2009-01-15 20:18:40 -0800 | [diff] [blame] | 4095 | GElf_Ehdr *ehdr, Elf_Scn *scn, |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 4096 | GElf_Shdr *shdr, Dwarf *dbg) |
| 4097 | { |
| 4098 | Dwarf_Aranges *aranges; |
| 4099 | size_t cnt; |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 4100 | if (unlikely (dwarf_getaranges (dbg, &aranges, &cnt) != 0)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 4101 | { |
| 4102 | error (0, 0, gettext ("cannot get .debug_aranges content: %s"), |
| 4103 | dwarf_errmsg (-1)); |
| 4104 | return; |
| 4105 | } |
| 4106 | |
| 4107 | printf (ngettext ("\ |
Ulrich Drepper | 351bf20 | 2009-01-15 20:18:40 -0800 | [diff] [blame] | 4108 | \nDWARF section [%2zu] '%s' at offset %#" PRIx64 " contains %zu entry:\n", |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 4109 | "\ |
Ulrich Drepper | 351bf20 | 2009-01-15 20:18:40 -0800 | [diff] [blame] | 4110 | \nDWARF section [%2zu] '%s' at offset %#" PRIx64 " contains %zu entries:\n", |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 4111 | cnt), |
Ulrich Drepper | 351bf20 | 2009-01-15 20:18:40 -0800 | [diff] [blame] | 4112 | elf_ndxscn (scn), ".debug_aranges", (uint64_t) shdr->sh_offset, cnt); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 4113 | |
| 4114 | /* Compute floor(log16(cnt)). */ |
| 4115 | size_t tmp = cnt; |
| 4116 | int digits = 1; |
| 4117 | while (tmp >= 16) |
| 4118 | { |
| 4119 | ++digits; |
| 4120 | tmp >>= 4; |
| 4121 | } |
| 4122 | |
| 4123 | for (size_t n = 0; n < cnt; ++n) |
| 4124 | { |
| 4125 | Dwarf_Arange *runp = dwarf_onearange (aranges, n); |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 4126 | if (unlikely (runp == NULL)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 4127 | { |
| 4128 | printf ("cannot get arange %zu: %s\n", n, dwarf_errmsg (-1)); |
| 4129 | return; |
| 4130 | } |
| 4131 | |
| 4132 | Dwarf_Addr start; |
| 4133 | Dwarf_Word length; |
| 4134 | Dwarf_Off offset; |
| 4135 | |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 4136 | if (unlikely (dwarf_getarangeinfo (runp, &start, &length, &offset) != 0)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 4137 | printf (gettext (" [%*zu] ???\n"), digits, n); |
| 4138 | else |
| 4139 | printf (gettext (" [%*zu] start: %0#*" PRIx64 |
| 4140 | ", length: %5" PRIu64 ", CU DIE offset: %6" |
| 4141 | PRId64 "\n"), |
| 4142 | digits, n, ehdr->e_ident[EI_CLASS] == ELFCLASS32 ? 10 : 18, |
| 4143 | (uint64_t) start, (uint64_t) length, (int64_t) offset); |
| 4144 | } |
| 4145 | } |
| 4146 | |
| 4147 | /* Print content of DWARF .debug_ranges section. */ |
| 4148 | static void |
Ulrich Drepper | b597dfa | 2007-10-16 05:21:27 +0000 | [diff] [blame] | 4149 | print_debug_ranges_section (Dwfl_Module *dwflmod, |
| 4150 | Ebl *ebl __attribute__ ((unused)), |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 4151 | GElf_Ehdr *ehdr, Elf_Scn *scn, GElf_Shdr *shdr, |
| 4152 | Dwarf *dbg) |
| 4153 | { |
| 4154 | Elf_Data *data = elf_rawdata (scn, NULL); |
| 4155 | |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 4156 | if (unlikely (data == NULL)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 4157 | { |
| 4158 | error (0, 0, gettext ("cannot get .debug_ranges content: %s"), |
| 4159 | elf_errmsg (-1)); |
| 4160 | return; |
| 4161 | } |
| 4162 | |
| 4163 | printf (gettext ("\ |
Ulrich Drepper | 351bf20 | 2009-01-15 20:18:40 -0800 | [diff] [blame] | 4164 | \nDWARF section [%2zu] '%s' at offset %#" PRIx64 ":\n"), |
| 4165 | elf_ndxscn (scn), ".debug_ranges", (uint64_t) shdr->sh_offset); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 4166 | |
| 4167 | size_t address_size = ehdr->e_ident[EI_CLASS] == ELFCLASS32 ? 4 : 8; |
| 4168 | |
| 4169 | bool first = true; |
| 4170 | unsigned char *readp = data->d_buf; |
| 4171 | while (readp < (unsigned char *) data->d_buf + data->d_size) |
| 4172 | { |
| 4173 | ptrdiff_t offset = readp - (unsigned char *) data->d_buf; |
| 4174 | |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 4175 | if (unlikely (data->d_size - offset < address_size * 2)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 4176 | { |
Ulrich Drepper | b597dfa | 2007-10-16 05:21:27 +0000 | [diff] [blame] | 4177 | printf (gettext (" [%6tx] <INVALID DATA>\n"), offset); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 4178 | break; |
| 4179 | } |
| 4180 | |
| 4181 | Dwarf_Addr begin; |
| 4182 | Dwarf_Addr end; |
| 4183 | if (address_size == 8) |
| 4184 | { |
| 4185 | begin = read_8ubyte_unaligned_inc (dbg, readp); |
| 4186 | end = read_8ubyte_unaligned_inc (dbg, readp); |
| 4187 | } |
| 4188 | else |
| 4189 | { |
| 4190 | begin = read_4ubyte_unaligned_inc (dbg, readp); |
| 4191 | end = read_4ubyte_unaligned_inc (dbg, readp); |
| 4192 | if (begin == (Dwarf_Addr) (uint32_t) -1) |
| 4193 | begin = (Dwarf_Addr) -1l; |
| 4194 | } |
| 4195 | |
| 4196 | if (begin == (Dwarf_Addr) -1l) /* Base address entry. */ |
Ulrich Drepper | b597dfa | 2007-10-16 05:21:27 +0000 | [diff] [blame] | 4197 | { |
| 4198 | char *b = format_dwarf_addr (dwflmod, address_size, end); |
| 4199 | printf (gettext (" [%6tx] base address %s\n"), offset, b); |
| 4200 | free (b); |
| 4201 | } |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 4202 | else if (begin == 0 && end == 0) /* End of list entry. */ |
| 4203 | first = true; |
| 4204 | else |
| 4205 | { |
Ulrich Drepper | b597dfa | 2007-10-16 05:21:27 +0000 | [diff] [blame] | 4206 | char *b = format_dwarf_addr (dwflmod, address_size, begin); |
| 4207 | char *e = format_dwarf_addr (dwflmod, address_size, end); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 4208 | /* We have an address range entry. */ |
| 4209 | if (first) /* First address range entry in a list. */ |
Ulrich Drepper | b597dfa | 2007-10-16 05:21:27 +0000 | [diff] [blame] | 4210 | printf (gettext (" [%6tx] %s..%s\n"), offset, b, e); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 4211 | else |
Ulrich Drepper | b597dfa | 2007-10-16 05:21:27 +0000 | [diff] [blame] | 4212 | printf (gettext (" %s..%s\n"), b, e); |
| 4213 | free (b); |
| 4214 | free (e); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 4215 | |
| 4216 | first = false; |
| 4217 | } |
| 4218 | } |
| 4219 | } |
| 4220 | |
| 4221 | |
| 4222 | static void |
Ulrich Drepper | ac194d0 | 2009-01-06 00:30:01 -0800 | [diff] [blame] | 4223 | print_cfa_program (const unsigned char *readp, const unsigned char *const endp, |
| 4224 | Dwarf_Word vma_base, unsigned int code_align, |
| 4225 | int data_align, unsigned int ptr_size, Dwfl_Module *dwflmod, |
| 4226 | Ebl *ebl, Dwarf *dbg) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 4227 | { |
Ulrich Drepper | ac194d0 | 2009-01-06 00:30:01 -0800 | [diff] [blame] | 4228 | char regnamebuf[16]; |
| 4229 | const char *regname (unsigned int regno) |
| 4230 | { |
| 4231 | const char *str; |
| 4232 | int i; |
| 4233 | return (ebl_register_info (ebl, regno, regnamebuf, sizeof (regnamebuf), |
| 4234 | &str, &str, &i, &i) < 0 |
| 4235 | ? "???" : regnamebuf); |
| 4236 | } |
| 4237 | |
| 4238 | puts ("\n Program:"); |
| 4239 | Dwarf_Word pc = vma_base; |
| 4240 | while (readp < endp) |
| 4241 | { |
| 4242 | unsigned int opcode = *readp++; |
| 4243 | |
| 4244 | if (opcode < DW_CFA_advance_loc) |
| 4245 | /* Extended opcode. */ |
| 4246 | switch (opcode) |
| 4247 | { |
| 4248 | uint64_t op1; |
| 4249 | int64_t sop1; |
| 4250 | uint64_t op2; |
| 4251 | int64_t sop2; |
| 4252 | |
| 4253 | case DW_CFA_nop: |
| 4254 | puts (" nop"); |
| 4255 | break; |
| 4256 | case DW_CFA_set_loc: |
| 4257 | // XXX overflow check |
| 4258 | get_uleb128 (op1, readp); |
| 4259 | op1 += vma_base; |
| 4260 | printf (" set_loc %" PRIu64 "\n", op1 * code_align); |
| 4261 | break; |
| 4262 | case DW_CFA_advance_loc1: |
| 4263 | printf (" advance_loc1 %u to %#" PRIx64 "\n", |
| 4264 | *readp, pc += *readp * code_align); |
| 4265 | ++readp; |
| 4266 | break; |
| 4267 | case DW_CFA_advance_loc2: |
| 4268 | op1 = read_2ubyte_unaligned_inc (dbg, readp); |
| 4269 | printf (" advance_loc2 %" PRIu64 " to %#" PRIx64 "\n", |
| 4270 | op1, pc += op1 * code_align); |
| 4271 | break; |
| 4272 | case DW_CFA_advance_loc4: |
| 4273 | op1 = read_4ubyte_unaligned_inc (dbg, readp); |
| 4274 | printf (" advance_loc4 %" PRIu64 " to %#" PRIx64 "\n", |
| 4275 | op1, pc += op1 * code_align); |
| 4276 | break; |
| 4277 | case DW_CFA_offset_extended: |
| 4278 | // XXX overflow check |
| 4279 | get_uleb128 (op1, readp); |
| 4280 | get_uleb128 (op2, readp); |
| 4281 | printf (" offset_extended r%" PRIu64 " (%s) at cfa%+" PRId64 |
| 4282 | "\n", |
| 4283 | op1, regname (op1), op2 * data_align); |
| 4284 | break; |
| 4285 | case DW_CFA_restore_extended: |
| 4286 | // XXX overflow check |
| 4287 | get_uleb128 (op1, readp); |
| 4288 | printf (" restore_extended r%" PRIu64 " (%s)\n", |
| 4289 | op1, regname (op1)); |
| 4290 | break; |
| 4291 | case DW_CFA_undefined: |
| 4292 | // XXX overflow check |
| 4293 | get_uleb128 (op1, readp); |
| 4294 | printf (" undefined r%" PRIu64 " (%s)\n", op1, regname (op1)); |
| 4295 | break; |
| 4296 | case DW_CFA_same_value: |
| 4297 | // XXX overflow check |
| 4298 | get_uleb128 (op1, readp); |
| 4299 | printf (" same_value r%" PRIu64 " (%s)\n", op1, regname (op1)); |
| 4300 | break; |
| 4301 | case DW_CFA_register: |
| 4302 | // XXX overflow check |
| 4303 | get_uleb128 (op1, readp); |
| 4304 | get_uleb128 (op2, readp); |
| 4305 | printf (" same_value r%" PRIu64 " (%s) in r%" PRIu64 " (%s)\n", |
| 4306 | op1, regname (op1), op2, regname (op2)); |
| 4307 | break; |
| 4308 | case DW_CFA_remember_state: |
| 4309 | puts (" remember_state"); |
| 4310 | break; |
| 4311 | case DW_CFA_restore_state: |
| 4312 | puts (" restore_state"); |
| 4313 | break; |
| 4314 | case DW_CFA_def_cfa: |
| 4315 | // XXX overflow check |
| 4316 | get_uleb128 (op1, readp); |
| 4317 | get_uleb128 (op2, readp); |
| 4318 | printf (" def_cfa r%" PRIu64 " (%s) at offset %" PRIu64 "\n", |
| 4319 | op1, regname (op1), op2); |
| 4320 | break; |
| 4321 | case DW_CFA_def_cfa_register: |
| 4322 | // XXX overflow check |
| 4323 | get_uleb128 (op1, readp); |
| 4324 | printf (" def_cfa_register r%" PRIu64 " (%s)\n", |
| 4325 | op1, regname (op1)); |
| 4326 | break; |
| 4327 | case DW_CFA_def_cfa_offset: |
| 4328 | // XXX overflow check |
| 4329 | get_uleb128 (op1, readp); |
| 4330 | printf (" def_cfa_offset %" PRIu64 "\n", op1); |
| 4331 | break; |
| 4332 | case DW_CFA_def_cfa_expression: |
| 4333 | // XXX overflow check |
| 4334 | get_uleb128 (op1, readp); /* Length of DW_FORM_block. */ |
| 4335 | printf (" val_expression %" PRIu64 "\n", op1); |
| 4336 | print_ops (dwflmod, dbg, 10, 10, ptr_size, op1, readp); |
| 4337 | readp += op1; |
| 4338 | error (1,0,"need to implement BLOCK reading"); |
| 4339 | break; |
| 4340 | case DW_CFA_expression: |
| 4341 | // XXX overflow check |
| 4342 | get_uleb128 (op1, readp); |
| 4343 | get_uleb128 (op2, readp); /* Length of DW_FORM_block. */ |
| 4344 | printf (" val_expression %" PRIu64 "\n", op1); |
| 4345 | print_ops (dwflmod, dbg, 10, 10, ptr_size, op2, readp); |
| 4346 | readp += op2; |
| 4347 | break; |
| 4348 | case DW_CFA_offset_extended_sf: |
| 4349 | // XXX overflow check |
| 4350 | get_uleb128 (op1, readp); |
| 4351 | get_sleb128 (sop2, readp); |
| 4352 | printf (" offset_extended_sf r%" PRIu64 " (%s) at cfa%+" |
| 4353 | PRId64 "\n", |
| 4354 | op1, regname (op1), sop2 * data_align); |
| 4355 | break; |
| 4356 | case DW_CFA_def_cfa_sf: |
| 4357 | // XXX overflow check |
| 4358 | get_uleb128 (op1, readp); |
| 4359 | get_sleb128 (sop2, readp); |
| 4360 | printf (" def_cfa_sf r%" PRIu64 " (%s) at offset %" PRId64 "\n", |
| 4361 | op1, regname (op1), sop2 * data_align); |
| 4362 | break; |
| 4363 | case DW_CFA_def_cfa_offset_sf: |
| 4364 | // XXX overflow check |
| 4365 | get_sleb128 (sop1, readp); |
| 4366 | printf (" def_cfa_offset_sf %" PRId64 "\n", sop1 * data_align); |
| 4367 | break; |
| 4368 | case DW_CFA_val_offset: |
| 4369 | // XXX overflow check |
| 4370 | get_uleb128 (op1, readp); |
| 4371 | get_uleb128 (op2, readp); |
| 4372 | printf (" val_offset %" PRIu64 " at offset %" PRIu64 "\n", |
| 4373 | op1, op2 * data_align); |
| 4374 | break; |
| 4375 | case DW_CFA_val_offset_sf: |
| 4376 | // XXX overflow check |
| 4377 | get_uleb128 (op1, readp); |
| 4378 | get_sleb128 (sop2, readp); |
| 4379 | printf (" val_offset %" PRIu64 " at offset %" PRId64 "\n", |
| 4380 | op1, sop2 * data_align); |
| 4381 | break; |
| 4382 | case DW_CFA_val_expression: |
| 4383 | // XXX overflow check |
| 4384 | get_uleb128 (op1, readp); |
| 4385 | get_uleb128 (op2, readp); /* Length of DW_FORM_block. */ |
| 4386 | printf (" val_expression %" PRIu64 "\n", op1); |
| 4387 | print_ops (dwflmod, dbg, 10, 10, ptr_size, op2, readp); |
| 4388 | readp += op2; |
| 4389 | break; |
| 4390 | case DW_CFA_MIPS_advance_loc8: |
| 4391 | op1 = read_8ubyte_unaligned_inc (dbg, readp); |
| 4392 | printf (" advance_loc2 %" PRIu64 " to %#" PRIx64 "\n", |
| 4393 | op1, pc += op1 * code_align); |
| 4394 | break; |
| 4395 | case DW_CFA_GNU_window_save: |
| 4396 | puts (" window_save"); |
| 4397 | break; |
| 4398 | case DW_CFA_GNU_args_size: |
| 4399 | // XXX overflow check |
| 4400 | get_uleb128 (op1, readp); |
| 4401 | printf (" args_size %" PRIu64 "\n", op1); |
| 4402 | break; |
| 4403 | default: |
| 4404 | printf (" ??? (%u)\n", opcode); |
| 4405 | break; |
| 4406 | } |
| 4407 | else if (opcode < DW_CFA_offset) |
| 4408 | printf (" advance_loc %u to %#" PRIx64 "\n", |
| 4409 | opcode & 0x3f, pc += (opcode & 0x3f) * code_align); |
| 4410 | else if (opcode < DW_CFA_restore) |
| 4411 | { |
| 4412 | unsigned int offset; |
| 4413 | // XXX overflow check |
| 4414 | get_uleb128 (offset, readp); |
| 4415 | printf (" offset r%u (%s) at cfa%+d\n", |
| 4416 | opcode & 0x3f, regname (opcode & 0x3f), offset * data_align); |
| 4417 | } |
| 4418 | else |
| 4419 | printf (" restore r%u (%s)\n", |
| 4420 | opcode & 0x3f, regname (opcode & 0x3f)); |
| 4421 | } |
| 4422 | } |
| 4423 | |
| 4424 | |
| 4425 | static unsigned int |
| 4426 | encoded_ptr_size (int encoding, unsigned int ptr_size) |
| 4427 | { |
| 4428 | switch (encoding & 7) |
| 4429 | { |
| 4430 | case 2: |
| 4431 | return 2; |
| 4432 | case 3: |
| 4433 | return 4; |
| 4434 | case 4: |
| 4435 | return 8; |
| 4436 | default: |
| 4437 | return ptr_size; |
| 4438 | } |
| 4439 | } |
| 4440 | |
| 4441 | |
Ulrich Drepper | 351bf20 | 2009-01-15 20:18:40 -0800 | [diff] [blame] | 4442 | static unsigned int |
| 4443 | print_encoding (unsigned int val) |
| 4444 | { |
| 4445 | switch (val & 0xf) |
| 4446 | { |
| 4447 | case DW_EH_PE_absptr: |
| 4448 | fputs ("absptr", stdout); |
| 4449 | break; |
| 4450 | case DW_EH_PE_uleb128: |
| 4451 | fputs ("uleb128", stdout); |
| 4452 | break; |
| 4453 | case DW_EH_PE_udata2: |
| 4454 | fputs ("udata2", stdout); |
| 4455 | break; |
| 4456 | case DW_EH_PE_udata4: |
| 4457 | fputs ("udata4", stdout); |
| 4458 | break; |
| 4459 | case DW_EH_PE_udata8: |
| 4460 | fputs ("udata8", stdout); |
| 4461 | break; |
| 4462 | case DW_EH_PE_sleb128: |
| 4463 | fputs ("sleb128", stdout); |
| 4464 | break; |
| 4465 | case DW_EH_PE_sdata2: |
| 4466 | fputs ("sdata2", stdout); |
| 4467 | break; |
| 4468 | case DW_EH_PE_sdata4: |
| 4469 | fputs ("sdata4", stdout); |
| 4470 | break; |
| 4471 | case DW_EH_PE_sdata8: |
| 4472 | fputs ("sdata8", stdout); |
| 4473 | break; |
| 4474 | default: |
| 4475 | /* We did not use any of the bits after all. */ |
| 4476 | return val; |
| 4477 | } |
| 4478 | |
| 4479 | return val & ~0xf; |
| 4480 | } |
| 4481 | |
| 4482 | |
| 4483 | static unsigned int |
| 4484 | print_relinfo (unsigned int val) |
| 4485 | { |
| 4486 | switch (val & 0x70) |
| 4487 | { |
| 4488 | case DW_EH_PE_pcrel: |
| 4489 | fputs ("pcrel", stdout); |
| 4490 | break; |
| 4491 | case DW_EH_PE_textrel: |
| 4492 | fputs ("textrel", stdout); |
| 4493 | break; |
| 4494 | case DW_EH_PE_datarel: |
| 4495 | fputs ("datarel", stdout); |
| 4496 | break; |
| 4497 | case DW_EH_PE_funcrel: |
| 4498 | fputs ("funcrel", stdout); |
| 4499 | break; |
| 4500 | case DW_EH_PE_aligned: |
| 4501 | fputs ("aligned", stdout); |
| 4502 | break; |
| 4503 | default: |
| 4504 | return val; |
| 4505 | } |
| 4506 | |
| 4507 | return val & ~0x70; |
| 4508 | } |
| 4509 | |
| 4510 | |
| 4511 | static void |
Ulrich Drepper | bc29897 | 2009-01-16 11:50:10 -0800 | [diff] [blame] | 4512 | print_encoding_base (const char *pfx, unsigned int fde_encoding) |
Ulrich Drepper | 351bf20 | 2009-01-15 20:18:40 -0800 | [diff] [blame] | 4513 | { |
Ulrich Drepper | bc29897 | 2009-01-16 11:50:10 -0800 | [diff] [blame] | 4514 | printf ("(%s", pfx); |
Ulrich Drepper | 351bf20 | 2009-01-15 20:18:40 -0800 | [diff] [blame] | 4515 | |
Ulrich Drepper | 05d2b20 | 2009-01-16 17:58:54 -0800 | [diff] [blame] | 4516 | if (fde_encoding == DW_EH_PE_omit) |
| 4517 | puts ("omit)"); |
| 4518 | else |
Ulrich Drepper | 351bf20 | 2009-01-15 20:18:40 -0800 | [diff] [blame] | 4519 | { |
Ulrich Drepper | 05d2b20 | 2009-01-16 17:58:54 -0800 | [diff] [blame] | 4520 | unsigned int w = fde_encoding; |
Ulrich Drepper | 351bf20 | 2009-01-15 20:18:40 -0800 | [diff] [blame] | 4521 | |
Ulrich Drepper | 05d2b20 | 2009-01-16 17:58:54 -0800 | [diff] [blame] | 4522 | if (w & 0xf) |
| 4523 | w = print_encoding (w); |
| 4524 | |
| 4525 | if (w & 0x70) |
| 4526 | { |
| 4527 | if (w != fde_encoding) |
| 4528 | fputc_unlocked (' ', stdout); |
| 4529 | |
| 4530 | w = print_relinfo (w); |
| 4531 | } |
| 4532 | |
| 4533 | if (w != 0) |
| 4534 | printf ("%s%x", w != fde_encoding ? " " : "", w); |
| 4535 | |
| 4536 | puts (")"); |
Ulrich Drepper | 351bf20 | 2009-01-15 20:18:40 -0800 | [diff] [blame] | 4537 | } |
Ulrich Drepper | 351bf20 | 2009-01-15 20:18:40 -0800 | [diff] [blame] | 4538 | } |
| 4539 | |
| 4540 | |
Ulrich Drepper | bc29897 | 2009-01-16 11:50:10 -0800 | [diff] [blame] | 4541 | static const unsigned char * |
| 4542 | read_encoded (unsigned int encoding, const unsigned char *readp, |
| 4543 | const unsigned char *const endp, uint64_t *res, Dwarf *dbg) |
| 4544 | { |
| 4545 | switch (encoding & 0xf) |
| 4546 | { |
| 4547 | case DW_EH_PE_uleb128: |
| 4548 | // XXX buffer overrun check |
| 4549 | get_uleb128 (*res, readp); |
| 4550 | break; |
| 4551 | case DW_EH_PE_sleb128: |
| 4552 | // XXX buffer overrun check |
| 4553 | get_sleb128 (*res, readp); |
| 4554 | break; |
| 4555 | case DW_EH_PE_udata2: |
| 4556 | if (readp + 2 > endp) |
| 4557 | goto invalid; |
| 4558 | *res = read_2ubyte_unaligned_inc (dbg, readp); |
| 4559 | break; |
| 4560 | case DW_EH_PE_udata4: |
| 4561 | if (readp + 4 > endp) |
| 4562 | goto invalid; |
| 4563 | *res = read_4ubyte_unaligned_inc (dbg, readp); |
| 4564 | break; |
| 4565 | case DW_EH_PE_udata8: |
| 4566 | if (readp + 8 > endp) |
| 4567 | goto invalid; |
| 4568 | *res = read_8ubyte_unaligned_inc (dbg, readp); |
| 4569 | break; |
| 4570 | case DW_EH_PE_sdata2: |
| 4571 | if (readp + 2 > endp) |
| 4572 | goto invalid; |
| 4573 | *res = read_2sbyte_unaligned_inc (dbg, readp); |
| 4574 | break; |
| 4575 | case DW_EH_PE_sdata4: |
| 4576 | if (readp + 4 > endp) |
| 4577 | goto invalid; |
| 4578 | *res = read_4sbyte_unaligned_inc (dbg, readp); |
| 4579 | break; |
| 4580 | case DW_EH_PE_sdata8: |
| 4581 | if (readp + 8 > endp) |
| 4582 | goto invalid; |
| 4583 | *res = read_8sbyte_unaligned_inc (dbg, readp); |
| 4584 | break; |
| 4585 | default: |
| 4586 | invalid: |
| 4587 | error (1, 0, |
| 4588 | gettext ("invalid encoding")); |
| 4589 | } |
| 4590 | |
| 4591 | return readp; |
| 4592 | } |
| 4593 | |
| 4594 | |
Ulrich Drepper | ac194d0 | 2009-01-06 00:30:01 -0800 | [diff] [blame] | 4595 | static void |
| 4596 | print_debug_frame_section (Dwfl_Module *dwflmod, Ebl *ebl, GElf_Ehdr *ehdr, |
| 4597 | Elf_Scn *scn, GElf_Shdr *shdr, Dwarf *dbg) |
| 4598 | { |
| 4599 | size_t shstrndx; |
| 4600 | /* We know this call will succeed since it did in the caller. */ |
| 4601 | (void) elf_getshstrndx (ebl->elf, &shstrndx); |
| 4602 | const char *scnname = elf_strptr (ebl->elf, shstrndx, shdr->sh_name); |
| 4603 | |
| 4604 | Elf_Data *data = elf_rawdata (scn, NULL); |
| 4605 | |
| 4606 | if (unlikely (data == NULL)) |
| 4607 | { |
| 4608 | error (0, 0, gettext ("cannot get %s content: %s"), |
| 4609 | scnname, elf_errmsg (-1)); |
| 4610 | return; |
| 4611 | } |
Ulrich Drepper | 351bf20 | 2009-01-15 20:18:40 -0800 | [diff] [blame] | 4612 | bool is_eh_frame = strcmp (scnname, ".eh_frame") == 0; |
Ulrich Drepper | ac194d0 | 2009-01-06 00:30:01 -0800 | [diff] [blame] | 4613 | |
Ulrich Drepper | 351bf20 | 2009-01-15 20:18:40 -0800 | [diff] [blame] | 4614 | if (is_eh_frame) |
| 4615 | printf (gettext ("\ |
| 4616 | \nCall frame information section [%2zu] '%s' at offset %#" PRIx64 ":\n"), |
| 4617 | elf_ndxscn (scn), scnname, (uint64_t) shdr->sh_offset); |
| 4618 | else |
| 4619 | printf (gettext ("\ |
| 4620 | \nDWARF section [%2zu] '%s' at offset %#" PRIx64 ":\n"), |
| 4621 | elf_ndxscn (scn), scnname, (uint64_t) shdr->sh_offset); |
Ulrich Drepper | ac194d0 | 2009-01-06 00:30:01 -0800 | [diff] [blame] | 4622 | |
| 4623 | struct cieinfo |
| 4624 | { |
| 4625 | ptrdiff_t cie_offset; |
| 4626 | const char *augmentation; |
| 4627 | unsigned int code_alignment_factor; |
| 4628 | unsigned int data_alignment_factor; |
| 4629 | unsigned int fde_encoding; |
Ulrich Drepper | bc29897 | 2009-01-16 11:50:10 -0800 | [diff] [blame] | 4630 | unsigned int lsda_encoding; |
Ulrich Drepper | ac194d0 | 2009-01-06 00:30:01 -0800 | [diff] [blame] | 4631 | struct cieinfo *next; |
| 4632 | } *cies = NULL; |
| 4633 | |
| 4634 | const unsigned char *readp = data->d_buf; |
| 4635 | const unsigned char *const dataend = ((unsigned char *) data->d_buf |
| 4636 | + data->d_size); |
Ulrich Drepper | ac194d0 | 2009-01-06 00:30:01 -0800 | [diff] [blame] | 4637 | while (readp < dataend) |
| 4638 | { |
Ulrich Drepper | b006fbf | 2009-01-16 03:08:25 -0800 | [diff] [blame] | 4639 | if (unlikely (readp + 4 > dataend)) |
Ulrich Drepper | ac194d0 | 2009-01-06 00:30:01 -0800 | [diff] [blame] | 4640 | { |
| 4641 | invalid_data: |
| 4642 | error (0, 0, gettext ("invalid data in section [%zu] '%s'"), |
| 4643 | elf_ndxscn (scn), scnname); |
| 4644 | return; |
| 4645 | } |
| 4646 | |
Ulrich Drepper | b006fbf | 2009-01-16 03:08:25 -0800 | [diff] [blame] | 4647 | /* At the beginning there must be a CIE. There can be multiple, |
| 4648 | hence we test tis in a loop. */ |
| 4649 | ptrdiff_t offset = readp - (unsigned char *) data->d_buf; |
Ulrich Drepper | ac194d0 | 2009-01-06 00:30:01 -0800 | [diff] [blame] | 4650 | |
| 4651 | Dwarf_Word unit_length = read_4ubyte_unaligned_inc (dbg, readp); |
| 4652 | unsigned int length = 4; |
| 4653 | if (unlikely (unit_length == 0xffffffff)) |
| 4654 | { |
Ulrich Drepper | b006fbf | 2009-01-16 03:08:25 -0800 | [diff] [blame] | 4655 | if (unlikely (readp + 8 > dataend)) |
| 4656 | goto invalid_data; |
| 4657 | |
Ulrich Drepper | ac194d0 | 2009-01-06 00:30:01 -0800 | [diff] [blame] | 4658 | unit_length = read_8ubyte_unaligned_inc (dbg, readp); |
| 4659 | length = 8; |
Ulrich Drepper | ac194d0 | 2009-01-06 00:30:01 -0800 | [diff] [blame] | 4660 | } |
Ulrich Drepper | b006fbf | 2009-01-16 03:08:25 -0800 | [diff] [blame] | 4661 | |
| 4662 | if (unlikely (unit_length == 0)) |
| 4663 | { |
Roland McGrath | e9de9b4 | 2009-01-22 13:05:40 -0800 | [diff] [blame] | 4664 | printf (gettext ("\n [%6tx] Zero terminator\n"), offset); |
Ulrich Drepper | b006fbf | 2009-01-16 03:08:25 -0800 | [diff] [blame] | 4665 | continue; |
| 4666 | } |
| 4667 | |
| 4668 | unsigned int ptr_size = ehdr->e_ident[EI_CLASS] == ELFCLASS32 ? 4 : 8; |
| 4669 | |
Ulrich Drepper | ac194d0 | 2009-01-06 00:30:01 -0800 | [diff] [blame] | 4670 | ptrdiff_t start = readp - (unsigned char *) data->d_buf; |
| 4671 | const unsigned char *const cieend = readp + unit_length; |
Ulrich Drepper | b006fbf | 2009-01-16 03:08:25 -0800 | [diff] [blame] | 4672 | if (unlikely (cieend > dataend || readp + 8 > dataend)) |
Ulrich Drepper | ac194d0 | 2009-01-06 00:30:01 -0800 | [diff] [blame] | 4673 | goto invalid_data; |
| 4674 | |
| 4675 | Dwarf_Word cie_id; |
| 4676 | if (length == 4) |
| 4677 | cie_id = read_4ubyte_unaligned_inc (dbg, readp); |
| 4678 | else |
| 4679 | cie_id = read_8ubyte_unaligned_inc (dbg, readp); |
| 4680 | |
| 4681 | unsigned int code_alignment_factor; |
| 4682 | int data_alignment_factor; |
| 4683 | unsigned int fde_encoding = 0; |
Ulrich Drepper | bc29897 | 2009-01-16 11:50:10 -0800 | [diff] [blame] | 4684 | unsigned int lsda_encoding = 0; |
Ulrich Drepper | ac194d0 | 2009-01-06 00:30:01 -0800 | [diff] [blame] | 4685 | Dwarf_Word initial_location = 0; |
Ulrich Drepper | 62c4653 | 2009-01-24 17:01:08 -0800 | [diff] [blame] | 4686 | Dwarf_Word vma_base = 0; |
Ulrich Drepper | ac194d0 | 2009-01-06 00:30:01 -0800 | [diff] [blame] | 4687 | |
Ulrich Drepper | 351bf20 | 2009-01-15 20:18:40 -0800 | [diff] [blame] | 4688 | if (cie_id == (is_eh_frame ? 0 : DW_CIE_ID)) |
Ulrich Drepper | ac194d0 | 2009-01-06 00:30:01 -0800 | [diff] [blame] | 4689 | { |
| 4690 | uint_fast8_t version = *readp++; |
| 4691 | const char *const augmentation = (const char *) readp; |
| 4692 | readp = memchr (readp, '\0', cieend - readp); |
| 4693 | if (unlikely (readp == NULL)) |
| 4694 | goto invalid_data; |
| 4695 | ++readp; |
| 4696 | // XXX Check overflow |
| 4697 | get_uleb128 (code_alignment_factor, readp); |
| 4698 | // XXX Check overflow |
| 4699 | get_sleb128 (data_alignment_factor, readp); |
| 4700 | |
| 4701 | /* In some variant for unwind data there is another field. */ |
| 4702 | if (strcmp (augmentation, "eh") == 0) |
| 4703 | readp += ehdr->e_ident[EI_CLASS] == ELFCLASS32 ? 4 : 8; |
| 4704 | |
| 4705 | unsigned int return_address_register; |
| 4706 | if (unlikely (version == 1)) |
| 4707 | return_address_register = *readp++; |
| 4708 | else |
| 4709 | // XXX Check overflow |
| 4710 | get_uleb128 (return_address_register, readp); |
| 4711 | |
Roland McGrath | e9de9b4 | 2009-01-22 13:05:40 -0800 | [diff] [blame] | 4712 | printf ("\n [%6tx] CIE length=%" PRIu64 "\n" |
Ulrich Drepper | ac194d0 | 2009-01-06 00:30:01 -0800 | [diff] [blame] | 4713 | " CIE_id: %" PRIu64 "\n" |
| 4714 | " version: %u\n" |
| 4715 | " augmentation: \"%s\"\n" |
| 4716 | " code_alignment_factor: %u\n" |
| 4717 | " data_alignment_factor: %d\n" |
| 4718 | " return_address_register: %u\n", |
| 4719 | offset, (uint64_t) unit_length, (uint64_t) cie_id, |
| 4720 | version, augmentation, code_alignment_factor, |
| 4721 | data_alignment_factor, return_address_register); |
| 4722 | |
| 4723 | if (augmentation[0] == 'z') |
| 4724 | { |
Ulrich Drepper | ac194d0 | 2009-01-06 00:30:01 -0800 | [diff] [blame] | 4725 | unsigned int augmentationlen; |
| 4726 | get_uleb128 (augmentationlen, readp); |
| 4727 | |
| 4728 | const char *hdr = "Augmentation data:"; |
| 4729 | const char *cp = augmentation + 1; |
| 4730 | while (*cp != '\0') |
| 4731 | { |
| 4732 | printf (" %-26s%#x ", hdr, *readp); |
| 4733 | hdr = ""; |
| 4734 | |
| 4735 | if (*cp == 'R') |
| 4736 | { |
Ulrich Drepper | bc29897 | 2009-01-16 11:50:10 -0800 | [diff] [blame] | 4737 | fde_encoding = *readp++; |
| 4738 | print_encoding_base (gettext ("FDE address encoding: "), |
| 4739 | fde_encoding); |
| 4740 | } |
| 4741 | else if (*cp == 'L') |
| 4742 | { |
| 4743 | lsda_encoding = *readp++; |
| 4744 | print_encoding_base (gettext ("LSDA pointer encoding: "), |
| 4745 | lsda_encoding); |
Ulrich Drepper | ac194d0 | 2009-01-06 00:30:01 -0800 | [diff] [blame] | 4746 | } |
| 4747 | else if (*cp == 'P') |
| 4748 | { |
Ulrich Drepper | 351bf20 | 2009-01-15 20:18:40 -0800 | [diff] [blame] | 4749 | /* Personality. This field usually has a relocation |
| 4750 | attached pointing to __gcc_personality_v0. */ |
Ulrich Drepper | ac194d0 | 2009-01-06 00:30:01 -0800 | [diff] [blame] | 4751 | const unsigned char *startp = readp; |
| 4752 | unsigned int encoding = *readp++; |
| 4753 | uint64_t val = 0; |
| 4754 | int64_t sval = 0; |
Roland McGrath | cabeeee | 2009-01-22 13:17:45 -0800 | [diff] [blame] | 4755 | bool is_signed = false; |
Ulrich Drepper | ac194d0 | 2009-01-06 00:30:01 -0800 | [diff] [blame] | 4756 | |
| 4757 | switch (encoding & 0xf) |
| 4758 | { |
| 4759 | case DW_EH_PE_uleb128: |
| 4760 | get_uleb128 (val, readp); |
Ulrich Drepper | ac194d0 | 2009-01-06 00:30:01 -0800 | [diff] [blame] | 4761 | break; |
| 4762 | case DW_EH_PE_sleb128: |
| 4763 | get_sleb128 (sval, readp); |
| 4764 | is_signed = true; |
| 4765 | break; |
| 4766 | case DW_EH_PE_udata2: |
| 4767 | val = read_2ubyte_unaligned_inc (dbg, readp); |
Ulrich Drepper | ac194d0 | 2009-01-06 00:30:01 -0800 | [diff] [blame] | 4768 | break; |
| 4769 | case DW_EH_PE_udata4: |
| 4770 | val = read_4ubyte_unaligned_inc (dbg, readp); |
Ulrich Drepper | ac194d0 | 2009-01-06 00:30:01 -0800 | [diff] [blame] | 4771 | break; |
| 4772 | case DW_EH_PE_udata8: |
| 4773 | val = read_8ubyte_unaligned_inc (dbg, readp); |
Ulrich Drepper | ac194d0 | 2009-01-06 00:30:01 -0800 | [diff] [blame] | 4774 | break; |
| 4775 | case DW_EH_PE_sdata2: |
| 4776 | val = read_2sbyte_unaligned_inc (dbg, readp); |
| 4777 | is_signed = true; |
| 4778 | break; |
| 4779 | case DW_EH_PE_sdata4: |
| 4780 | val = read_4sbyte_unaligned_inc (dbg, readp); |
| 4781 | is_signed = true; |
| 4782 | break; |
| 4783 | case DW_EH_PE_sdata8: |
| 4784 | val = read_8sbyte_unaligned_inc (dbg, readp); |
| 4785 | is_signed = true; |
| 4786 | break; |
| 4787 | default: |
| 4788 | error (1, 0, |
| 4789 | gettext ("invalid augmentation encoding")); |
| 4790 | } |
| 4791 | |
| 4792 | while (++startp < readp) |
| 4793 | printf ("%#x ", *startp); |
| 4794 | |
| 4795 | if (is_signed) |
| 4796 | printf ("(%" PRId64 ")\n", sval); |
| 4797 | else |
| 4798 | printf ("(%" PRIu64 ")\n", val); |
| 4799 | } |
| 4800 | else |
| 4801 | printf ("(%x)\n", *readp++); |
| 4802 | |
| 4803 | ++cp; |
| 4804 | } |
Ulrich Drepper | ac194d0 | 2009-01-06 00:30:01 -0800 | [diff] [blame] | 4805 | } |
| 4806 | |
| 4807 | struct cieinfo *newp = alloca (sizeof (*newp)); |
| 4808 | newp->cie_offset = offset; |
| 4809 | newp->augmentation = augmentation; |
| 4810 | newp->fde_encoding = fde_encoding; |
Ulrich Drepper | bc29897 | 2009-01-16 11:50:10 -0800 | [diff] [blame] | 4811 | newp->lsda_encoding = lsda_encoding; |
Ulrich Drepper | ac194d0 | 2009-01-06 00:30:01 -0800 | [diff] [blame] | 4812 | newp->code_alignment_factor = code_alignment_factor; |
| 4813 | newp->data_alignment_factor = data_alignment_factor; |
| 4814 | newp->next = cies; |
| 4815 | cies = newp; |
| 4816 | } |
| 4817 | else |
| 4818 | { |
| 4819 | struct cieinfo *cie = cies; |
| 4820 | while (cie != NULL) |
Ulrich Drepper | 351bf20 | 2009-01-15 20:18:40 -0800 | [diff] [blame] | 4821 | if (is_eh_frame |
| 4822 | ? start - (ptrdiff_t) cie_id == cie->cie_offset |
| 4823 | : (ptrdiff_t) cie_id == cie->cie_offset) |
Ulrich Drepper | ac194d0 | 2009-01-06 00:30:01 -0800 | [diff] [blame] | 4824 | break; |
| 4825 | else |
| 4826 | cie = cie->next; |
| 4827 | if (unlikely (cie == NULL)) |
| 4828 | { |
| 4829 | puts ("invalid CIE reference in FDE"); |
| 4830 | return; |
| 4831 | } |
| 4832 | |
| 4833 | /* Initialize from CIE data. */ |
Ulrich Drepper | 351bf20 | 2009-01-15 20:18:40 -0800 | [diff] [blame] | 4834 | fde_encoding = cie->fde_encoding; |
Ulrich Drepper | bc29897 | 2009-01-16 11:50:10 -0800 | [diff] [blame] | 4835 | lsda_encoding = cie->lsda_encoding; |
Ulrich Drepper | 351bf20 | 2009-01-15 20:18:40 -0800 | [diff] [blame] | 4836 | ptr_size = encoded_ptr_size (fde_encoding, ptr_size); |
Ulrich Drepper | ac194d0 | 2009-01-06 00:30:01 -0800 | [diff] [blame] | 4837 | code_alignment_factor = cie->code_alignment_factor; |
| 4838 | data_alignment_factor = cie->data_alignment_factor; |
Ulrich Drepper | ac194d0 | 2009-01-06 00:30:01 -0800 | [diff] [blame] | 4839 | |
Ulrich Drepper | b006fbf | 2009-01-16 03:08:25 -0800 | [diff] [blame] | 4840 | const unsigned char *base = readp; |
Ulrich Drepper | 351bf20 | 2009-01-15 20:18:40 -0800 | [diff] [blame] | 4841 | // XXX There are sometimes relocations for this value |
Ulrich Drepper | ac194d0 | 2009-01-06 00:30:01 -0800 | [diff] [blame] | 4842 | initial_location = read_ubyte_unaligned_inc (ptr_size, dbg, readp); |
| 4843 | Dwarf_Word address_range |
| 4844 | = read_ubyte_unaligned_inc (ptr_size, dbg, readp); |
| 4845 | |
Roland McGrath | e9de9b4 | 2009-01-22 13:05:40 -0800 | [diff] [blame] | 4846 | printf ("\n [%6tx] FDE length=%" PRIu64 " cie=[%6tx]\n" |
Ulrich Drepper | ac194d0 | 2009-01-06 00:30:01 -0800 | [diff] [blame] | 4847 | " CIE_pointer: %" PRIu64 "\n" |
Ulrich Drepper | 351bf20 | 2009-01-15 20:18:40 -0800 | [diff] [blame] | 4848 | " initial_location: %#" PRIx64, |
Ulrich Drepper | ac194d0 | 2009-01-06 00:30:01 -0800 | [diff] [blame] | 4849 | offset, (uint64_t) unit_length, |
| 4850 | cie->cie_offset, (uint64_t) cie_id, |
Ulrich Drepper | 351bf20 | 2009-01-15 20:18:40 -0800 | [diff] [blame] | 4851 | (uint64_t) initial_location); |
| 4852 | if ((fde_encoding & 0x70) == DW_EH_PE_pcrel) |
Ulrich Drepper | 62c4653 | 2009-01-24 17:01:08 -0800 | [diff] [blame] | 4853 | { |
| 4854 | vma_base = (((uint64_t) shdr->sh_offset |
| 4855 | + (base - (const unsigned char *) data->d_buf) |
| 4856 | + (uint64_t) initial_location) |
| 4857 | & (ptr_size == 4 |
| 4858 | ? UINT64_C (0xffffffff) |
| 4859 | : UINT64_C (0xffffffffffffffff))); |
| 4860 | printf (gettext (" (offset: %#" PRIx64 ")"), |
| 4861 | (uint64_t) vma_base); |
| 4862 | } |
| 4863 | |
| 4864 | printf ("\n address_range: %#" PRIx64, |
| 4865 | (uint64_t) address_range); |
| 4866 | if ((fde_encoding & 0x70) == DW_EH_PE_pcrel) |
| 4867 | printf (gettext (" (end offset: %#" PRIx64 ")"), |
| 4868 | ((uint64_t) vma_base + (uint64_t) address_range) |
Ulrich Drepper | b006fbf | 2009-01-16 03:08:25 -0800 | [diff] [blame] | 4869 | & (ptr_size == 4 |
| 4870 | ? UINT64_C (0xffffffff) |
| 4871 | : UINT64_C (0xffffffffffffffff))); |
Ulrich Drepper | 62c4653 | 2009-01-24 17:01:08 -0800 | [diff] [blame] | 4872 | putchar ('\n'); |
Ulrich Drepper | ac194d0 | 2009-01-06 00:30:01 -0800 | [diff] [blame] | 4873 | |
| 4874 | if (cie->augmentation[0] == 'z') |
| 4875 | { |
| 4876 | unsigned int augmentationlen; |
| 4877 | get_uleb128 (augmentationlen, readp); |
| 4878 | |
Ulrich Drepper | 351bf20 | 2009-01-15 20:18:40 -0800 | [diff] [blame] | 4879 | if (augmentationlen > 0) |
Ulrich Drepper | ac194d0 | 2009-01-06 00:30:01 -0800 | [diff] [blame] | 4880 | { |
Ulrich Drepper | 351bf20 | 2009-01-15 20:18:40 -0800 | [diff] [blame] | 4881 | const char *hdr = "Augmentation data:"; |
| 4882 | const char *cp = cie->augmentation + 1; |
Ulrich Drepper | bc29897 | 2009-01-16 11:50:10 -0800 | [diff] [blame] | 4883 | unsigned int u = 0; |
| 4884 | while (*cp != '\0') |
Ulrich Drepper | 351bf20 | 2009-01-15 20:18:40 -0800 | [diff] [blame] | 4885 | { |
Ulrich Drepper | bc29897 | 2009-01-16 11:50:10 -0800 | [diff] [blame] | 4886 | if (*cp == 'L') |
| 4887 | { |
| 4888 | uint64_t lsda_pointer; |
| 4889 | const unsigned char *p |
| 4890 | = read_encoded (lsda_encoding, &readp[u], |
| 4891 | &readp[augmentationlen], |
| 4892 | &lsda_pointer, dbg); |
| 4893 | u = p - readp; |
| 4894 | printf (gettext ("\ |
| 4895 | %-26sLSDA pointer: %#" PRIx64 "\n"), |
| 4896 | hdr, lsda_pointer); |
| 4897 | hdr = ""; |
| 4898 | } |
| 4899 | ++cp; |
| 4900 | } |
| 4901 | |
| 4902 | while (u < augmentationlen) |
| 4903 | { |
| 4904 | printf (" %-26s%#x\n", hdr, readp[u++]); |
Ulrich Drepper | 351bf20 | 2009-01-15 20:18:40 -0800 | [diff] [blame] | 4905 | hdr = ""; |
| 4906 | } |
Ulrich Drepper | ac194d0 | 2009-01-06 00:30:01 -0800 | [diff] [blame] | 4907 | } |
Ulrich Drepper | bc29897 | 2009-01-16 11:50:10 -0800 | [diff] [blame] | 4908 | |
| 4909 | readp += augmentationlen; |
Ulrich Drepper | ac194d0 | 2009-01-06 00:30:01 -0800 | [diff] [blame] | 4910 | } |
| 4911 | } |
| 4912 | |
Ulrich Drepper | ac194d0 | 2009-01-06 00:30:01 -0800 | [diff] [blame] | 4913 | /* Handle the initialization instructions. */ |
| 4914 | print_cfa_program (readp, cieend, vma_base, code_alignment_factor, |
| 4915 | data_alignment_factor, ptr_size, dwflmod, ebl, dbg); |
| 4916 | readp = cieend; |
| 4917 | } |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 4918 | } |
| 4919 | |
| 4920 | |
| 4921 | struct attrcb_args |
| 4922 | { |
Ulrich Drepper | b597dfa | 2007-10-16 05:21:27 +0000 | [diff] [blame] | 4923 | Dwfl_Module *dwflmod; |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 4924 | Dwarf *dbg; |
| 4925 | int level; |
| 4926 | unsigned int addrsize; |
| 4927 | Dwarf_Off cu_offset; |
| 4928 | }; |
| 4929 | |
| 4930 | |
| 4931 | static int |
| 4932 | attr_callback (Dwarf_Attribute *attrp, void *arg) |
| 4933 | { |
| 4934 | struct attrcb_args *cbargs = (struct attrcb_args *) arg; |
| 4935 | const int level = cbargs->level; |
| 4936 | |
| 4937 | unsigned int attr = dwarf_whatattr (attrp); |
| 4938 | if (unlikely (attr == 0)) |
| 4939 | { |
| 4940 | error (0, 0, gettext ("cannot get attribute code: %s"), |
| 4941 | dwarf_errmsg (-1)); |
| 4942 | return DWARF_CB_ABORT; |
| 4943 | } |
| 4944 | |
| 4945 | unsigned int form = dwarf_whatform (attrp); |
| 4946 | if (unlikely (form == 0)) |
| 4947 | { |
| 4948 | error (0, 0, gettext ("cannot get attribute form: %s"), |
| 4949 | dwarf_errmsg (-1)); |
| 4950 | return DWARF_CB_ABORT; |
| 4951 | } |
| 4952 | |
| 4953 | switch (form) |
| 4954 | { |
Ulrich Drepper | b597dfa | 2007-10-16 05:21:27 +0000 | [diff] [blame] | 4955 | case DW_FORM_addr: |
| 4956 | { |
| 4957 | Dwarf_Addr addr; |
| 4958 | if (unlikely (dwarf_formaddr (attrp, &addr) != 0)) |
| 4959 | { |
| 4960 | attrval_out: |
Ulrich Drepper | c911d5c | 2008-01-22 05:59:26 +0000 | [diff] [blame] | 4961 | error (0, 0, gettext ("cannot get attribute value: %s"), |
Ulrich Drepper | b597dfa | 2007-10-16 05:21:27 +0000 | [diff] [blame] | 4962 | dwarf_errmsg (-1)); |
| 4963 | return DWARF_CB_ABORT; |
| 4964 | } |
| 4965 | char *a = format_dwarf_addr (cbargs->dwflmod, cbargs->addrsize, addr); |
| 4966 | printf (" %*s%-20s %s\n", |
| 4967 | (int) (level * 2), "", dwarf_attr_string (attr), a); |
| 4968 | free (a); |
| 4969 | } |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 4970 | break; |
| 4971 | |
| 4972 | case DW_FORM_indirect: |
| 4973 | case DW_FORM_strp: |
| 4974 | case DW_FORM_string:; |
| 4975 | const char *str = dwarf_formstring (attrp); |
| 4976 | if (unlikely (str == NULL)) |
| 4977 | goto attrval_out; |
| 4978 | printf (" %*s%-20s \"%s\"\n", |
| 4979 | (int) (level * 2), "", dwarf_attr_string (attr), str); |
| 4980 | break; |
| 4981 | |
| 4982 | case DW_FORM_ref_addr: |
| 4983 | case DW_FORM_ref_udata: |
| 4984 | case DW_FORM_ref8: |
| 4985 | case DW_FORM_ref4: |
| 4986 | case DW_FORM_ref2: |
| 4987 | case DW_FORM_ref1:; |
Roland McGrath | e4c22ea | 2007-10-23 13:07:39 +0000 | [diff] [blame] | 4988 | Dwarf_Die ref; |
| 4989 | if (unlikely (dwarf_formref_die (attrp, &ref) == NULL)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 4990 | goto attrval_out; |
| 4991 | |
| 4992 | printf (" %*s%-20s [%6" PRIxMAX "]\n", |
| 4993 | (int) (level * 2), "", dwarf_attr_string (attr), |
Roland McGrath | e4c22ea | 2007-10-23 13:07:39 +0000 | [diff] [blame] | 4994 | (uintmax_t) dwarf_dieoffset (&ref)); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 4995 | break; |
| 4996 | |
| 4997 | case DW_FORM_udata: |
| 4998 | case DW_FORM_sdata: |
| 4999 | case DW_FORM_data8: |
| 5000 | case DW_FORM_data4: |
| 5001 | case DW_FORM_data2: |
| 5002 | case DW_FORM_data1:; |
| 5003 | Dwarf_Word num; |
| 5004 | if (unlikely (dwarf_formudata (attrp, &num) != 0)) |
| 5005 | goto attrval_out; |
| 5006 | |
| 5007 | const char *valuestr = NULL; |
| 5008 | switch (attr) |
| 5009 | { |
| 5010 | case DW_AT_location: |
Roland McGrath | 07a696e | 2007-11-09 22:44:26 +0000 | [diff] [blame] | 5011 | case DW_AT_data_location: |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 5012 | case DW_AT_data_member_location: |
| 5013 | case DW_AT_vtable_elem_location: |
| 5014 | case DW_AT_string_length: |
| 5015 | case DW_AT_use_location: |
| 5016 | case DW_AT_frame_base: |
| 5017 | case DW_AT_return_addr: |
| 5018 | case DW_AT_static_link: |
| 5019 | printf (" %*s%-20s location list [%6" PRIxMAX "]\n", |
| 5020 | (int) (level * 2), "", dwarf_attr_string (attr), |
| 5021 | (uintmax_t) num); |
| 5022 | return DWARF_CB_OK; |
| 5023 | |
| 5024 | case DW_AT_ranges: |
| 5025 | printf (" %*s%-20s range list [%6" PRIxMAX "]\n", |
| 5026 | (int) (level * 2), "", dwarf_attr_string (attr), |
| 5027 | (uintmax_t) num); |
| 5028 | return DWARF_CB_OK; |
| 5029 | |
| 5030 | case DW_AT_language: |
| 5031 | valuestr = dwarf_lang_string (num); |
| 5032 | break; |
| 5033 | case DW_AT_encoding: |
| 5034 | valuestr = dwarf_encoding_string (num); |
| 5035 | break; |
| 5036 | case DW_AT_accessibility: |
| 5037 | valuestr = dwarf_access_string (num); |
| 5038 | break; |
| 5039 | case DW_AT_visibility: |
| 5040 | valuestr = dwarf_visibility_string (num); |
| 5041 | break; |
| 5042 | case DW_AT_virtuality: |
| 5043 | valuestr = dwarf_virtuality_string (num); |
| 5044 | break; |
| 5045 | case DW_AT_identifier_case: |
| 5046 | valuestr = dwarf_identifier_case_string (num); |
| 5047 | break; |
| 5048 | case DW_AT_calling_convention: |
| 5049 | valuestr = dwarf_calling_convention_string (num); |
| 5050 | break; |
| 5051 | case DW_AT_inline: |
| 5052 | valuestr = dwarf_inline_string (num); |
| 5053 | break; |
| 5054 | case DW_AT_ordering: |
| 5055 | valuestr = dwarf_ordering_string (num); |
| 5056 | break; |
| 5057 | case DW_AT_discr_list: |
| 5058 | valuestr = dwarf_discr_list_string (num); |
| 5059 | break; |
| 5060 | default: |
| 5061 | /* Nothing. */ |
| 5062 | break; |
| 5063 | } |
| 5064 | |
| 5065 | if (valuestr == NULL) |
| 5066 | printf (" %*s%-20s %" PRIuMAX "\n", |
| 5067 | (int) (level * 2), "", dwarf_attr_string (attr), |
| 5068 | (uintmax_t) num); |
| 5069 | else |
| 5070 | printf (" %*s%-20s %s (%" PRIuMAX ")\n", |
| 5071 | (int) (level * 2), "", dwarf_attr_string (attr), |
| 5072 | valuestr, (uintmax_t) num); |
| 5073 | break; |
| 5074 | |
| 5075 | case DW_FORM_flag:; |
| 5076 | bool flag; |
| 5077 | if (unlikely (dwarf_formflag (attrp, &flag) != 0)) |
| 5078 | goto attrval_out; |
| 5079 | |
| 5080 | printf (" %*s%-20s %s\n", |
| 5081 | (int) (level * 2), "", dwarf_attr_string (attr), |
| 5082 | nl_langinfo (flag ? YESSTR : NOSTR)); |
| 5083 | break; |
| 5084 | |
| 5085 | case DW_FORM_block4: |
| 5086 | case DW_FORM_block2: |
| 5087 | case DW_FORM_block1: |
| 5088 | case DW_FORM_block:; |
| 5089 | Dwarf_Block block; |
| 5090 | if (unlikely (dwarf_formblock (attrp, &block) != 0)) |
| 5091 | goto attrval_out; |
| 5092 | |
| 5093 | printf (" %*s%-20s %" PRIxMAX " byte block\n", |
| 5094 | (int) (level * 2), "", dwarf_attr_string (attr), |
| 5095 | (uintmax_t) block.length); |
| 5096 | |
| 5097 | switch (attr) |
| 5098 | { |
| 5099 | case DW_AT_location: |
Roland McGrath | 07a696e | 2007-11-09 22:44:26 +0000 | [diff] [blame] | 5100 | case DW_AT_data_location: |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 5101 | case DW_AT_data_member_location: |
| 5102 | case DW_AT_vtable_elem_location: |
| 5103 | case DW_AT_string_length: |
| 5104 | case DW_AT_use_location: |
| 5105 | case DW_AT_frame_base: |
| 5106 | case DW_AT_return_addr: |
| 5107 | case DW_AT_static_link: |
Roland McGrath | 1a2e8f4 | 2007-12-15 23:39:34 +0000 | [diff] [blame] | 5108 | case DW_AT_allocated: |
| 5109 | case DW_AT_associated: |
| 5110 | case DW_AT_bit_size: |
| 5111 | case DW_AT_bit_offset: |
| 5112 | case DW_AT_bit_stride: |
| 5113 | case DW_AT_byte_size: |
| 5114 | case DW_AT_byte_stride: |
| 5115 | case DW_AT_count: |
| 5116 | case DW_AT_lower_bound: |
| 5117 | case DW_AT_upper_bound: |
Ulrich Drepper | b597dfa | 2007-10-16 05:21:27 +0000 | [diff] [blame] | 5118 | print_ops (cbargs->dwflmod, cbargs->dbg, |
| 5119 | 12 + level * 2, 12 + level * 2, |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 5120 | cbargs->addrsize, block.length, block.data); |
| 5121 | break; |
| 5122 | } |
| 5123 | break; |
| 5124 | |
| 5125 | default: |
| 5126 | printf (" %*s%-20s [form: %d] ???\n", |
| 5127 | (int) (level * 2), "", dwarf_attr_string (attr), |
| 5128 | (int) form); |
| 5129 | break; |
| 5130 | } |
| 5131 | |
| 5132 | return DWARF_CB_OK; |
| 5133 | } |
| 5134 | |
| 5135 | |
| 5136 | static void |
Ulrich Drepper | b597dfa | 2007-10-16 05:21:27 +0000 | [diff] [blame] | 5137 | print_debug_info_section (Dwfl_Module *dwflmod, |
| 5138 | Ebl *ebl __attribute__ ((unused)), |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 5139 | GElf_Ehdr *ehdr __attribute__ ((unused)), |
Ulrich Drepper | 351bf20 | 2009-01-15 20:18:40 -0800 | [diff] [blame] | 5140 | Elf_Scn *scn, |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 5141 | GElf_Shdr *shdr, Dwarf *dbg) |
| 5142 | { |
| 5143 | printf (gettext ("\ |
Ulrich Drepper | 351bf20 | 2009-01-15 20:18:40 -0800 | [diff] [blame] | 5144 | \nDWARF section [%2zu] '%s' at offset %#" PRIx64 ":\n [Offset]\n"), |
| 5145 | elf_ndxscn (scn), ".debug_info", (uint64_t) shdr->sh_offset); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 5146 | |
| 5147 | /* If the section is empty we don't have to do anything. */ |
| 5148 | if (shdr->sh_size == 0) |
| 5149 | return; |
| 5150 | |
| 5151 | int maxdies = 20; |
| 5152 | Dwarf_Die *dies = (Dwarf_Die *) xmalloc (maxdies * sizeof (Dwarf_Die)); |
| 5153 | |
| 5154 | Dwarf_Off offset = 0; |
| 5155 | |
| 5156 | /* New compilation unit. */ |
| 5157 | size_t cuhl; |
| 5158 | //Dwarf_Half version; |
| 5159 | Dwarf_Off abbroffset; |
| 5160 | uint8_t addrsize; |
| 5161 | uint8_t offsize; |
| 5162 | Dwarf_Off nextcu; |
| 5163 | next_cu: |
| 5164 | if (dwarf_nextcu (dbg, offset, &nextcu, &cuhl, &abbroffset, &addrsize, |
| 5165 | &offsize) != 0) |
| 5166 | goto do_return; |
| 5167 | |
| 5168 | printf (gettext (" Compilation unit at offset %" PRIu64 ":\n" |
| 5169 | " Version: %" PRIu16 ", Abbreviation section offset: %" |
| 5170 | PRIu64 ", Address size: %" PRIu8 ", Offset size: %" PRIu8 "\n"), |
| 5171 | (uint64_t) offset, /*version*/2, abbroffset, addrsize, offsize); |
| 5172 | |
| 5173 | |
| 5174 | struct attrcb_args args; |
Ulrich Drepper | b597dfa | 2007-10-16 05:21:27 +0000 | [diff] [blame] | 5175 | args.dwflmod = dwflmod; |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 5176 | args.dbg = dbg; |
| 5177 | args.addrsize = addrsize; |
| 5178 | args.cu_offset = offset; |
| 5179 | |
| 5180 | offset += cuhl; |
| 5181 | |
| 5182 | int level = 0; |
| 5183 | |
| 5184 | if (unlikely (dwarf_offdie (dbg, offset, &dies[level]) == NULL)) |
| 5185 | { |
| 5186 | error (0, 0, gettext ("cannot get DIE at offset %" PRIu64 |
| 5187 | " in section '%s': %s"), |
| 5188 | (uint64_t) offset, ".debug_info", dwarf_errmsg (-1)); |
| 5189 | goto do_return; |
| 5190 | } |
| 5191 | |
| 5192 | do |
| 5193 | { |
| 5194 | offset = dwarf_dieoffset (&dies[level]); |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 5195 | if (unlikely (offset == ~0ul)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 5196 | { |
| 5197 | error (0, 0, gettext ("cannot get DIE offset: %s"), |
| 5198 | dwarf_errmsg (-1)); |
| 5199 | goto do_return; |
| 5200 | } |
| 5201 | |
| 5202 | int tag = dwarf_tag (&dies[level]); |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 5203 | if (unlikely (tag == DW_TAG_invalid)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 5204 | { |
Ulrich Drepper | c911d5c | 2008-01-22 05:59:26 +0000 | [diff] [blame] | 5205 | error (0, 0, gettext ("cannot get tag of DIE at offset %" PRIu64 |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 5206 | " in section '%s': %s"), |
| 5207 | (uint64_t) offset, ".debug_info", dwarf_errmsg (-1)); |
| 5208 | goto do_return; |
| 5209 | } |
| 5210 | |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 5211 | printf (" [%6" PRIx64 "] %*s%s\n", |
Ulrich Drepper | 8b38310 | 2007-02-16 00:31:57 +0000 | [diff] [blame] | 5212 | (uint64_t) offset, (int) (level * 2), "", |
| 5213 | dwarf_tag_string (tag)); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 5214 | |
| 5215 | /* Print the attribute values. */ |
| 5216 | args.level = level; |
| 5217 | (void) dwarf_getattrs (&dies[level], attr_callback, &args, 0); |
| 5218 | |
| 5219 | /* Make room for the next level's DIE. */ |
| 5220 | if (level + 1 == maxdies) |
| 5221 | dies = (Dwarf_Die *) xrealloc (dies, |
| 5222 | (maxdies += 10) |
| 5223 | * sizeof (Dwarf_Die)); |
| 5224 | |
| 5225 | int res = dwarf_child (&dies[level], &dies[level + 1]); |
| 5226 | if (res > 0) |
| 5227 | { |
| 5228 | while ((res = dwarf_siblingof (&dies[level], &dies[level])) == 1) |
Ulrich Drepper | c911d5c | 2008-01-22 05:59:26 +0000 | [diff] [blame] | 5229 | if (level-- == 0) |
| 5230 | break; |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 5231 | |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 5232 | if (unlikely (res == -1)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 5233 | { |
| 5234 | error (0, 0, gettext ("cannot get next DIE: %s\n"), |
| 5235 | dwarf_errmsg (-1)); |
| 5236 | goto do_return; |
| 5237 | } |
| 5238 | } |
| 5239 | else if (unlikely (res < 0)) |
| 5240 | { |
| 5241 | error (0, 0, gettext ("cannot get next DIE: %s"), |
| 5242 | dwarf_errmsg (-1)); |
| 5243 | goto do_return; |
| 5244 | } |
| 5245 | else |
| 5246 | ++level; |
| 5247 | } |
| 5248 | while (level >= 0); |
| 5249 | |
| 5250 | offset = nextcu; |
| 5251 | if (offset != 0) |
| 5252 | goto next_cu; |
| 5253 | |
| 5254 | do_return: |
| 5255 | free (dies); |
| 5256 | } |
| 5257 | |
| 5258 | |
| 5259 | static void |
Ulrich Drepper | b597dfa | 2007-10-16 05:21:27 +0000 | [diff] [blame] | 5260 | print_debug_line_section (Dwfl_Module *dwflmod, Ebl *ebl, |
| 5261 | GElf_Ehdr *ehdr __attribute__ ((unused)), |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 5262 | Elf_Scn *scn, GElf_Shdr *shdr, Dwarf *dbg) |
| 5263 | { |
| 5264 | printf (gettext ("\ |
Ulrich Drepper | 351bf20 | 2009-01-15 20:18:40 -0800 | [diff] [blame] | 5265 | \nDWARF section [%2zu] '%s' at offset %#" PRIx64 ":\n"), |
| 5266 | elf_ndxscn (scn), ".debug_line", (uint64_t) shdr->sh_offset); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 5267 | |
| 5268 | if (shdr->sh_size == 0) |
| 5269 | return; |
| 5270 | |
| 5271 | /* There is no functionality in libdw to read the information in the |
| 5272 | way it is represented here. Hardcode the decoder. */ |
| 5273 | Elf_Data *data = elf_getdata (scn, NULL); |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 5274 | if (unlikely (data == NULL || data->d_buf == NULL)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 5275 | { |
| 5276 | error (0, 0, gettext ("cannot get line data section data: %s"), |
| 5277 | elf_errmsg (-1)); |
| 5278 | return; |
| 5279 | } |
| 5280 | |
| 5281 | const unsigned char *linep = (const unsigned char *) data->d_buf; |
| 5282 | const unsigned char *lineendp; |
| 5283 | |
| 5284 | while (linep |
| 5285 | < (lineendp = (const unsigned char *) data->d_buf + data->d_size)) |
| 5286 | { |
| 5287 | size_t start_offset = linep - (const unsigned char *) data->d_buf; |
| 5288 | |
| 5289 | printf (gettext ("\nTable at offset %Zu:\n"), start_offset); |
| 5290 | |
| 5291 | Dwarf_Word unit_length = read_4ubyte_unaligned_inc (dbg, linep); |
| 5292 | unsigned int length = 4; |
| 5293 | if (unlikely (unit_length == 0xffffffff)) |
| 5294 | { |
| 5295 | if (unlikely (linep + 8 > lineendp)) |
| 5296 | { |
| 5297 | invalid_data: |
| 5298 | error (0, 0, gettext ("invalid data in section [%zu] '%s'"), |
| 5299 | elf_ndxscn (scn), ".debug_line"); |
| 5300 | return; |
| 5301 | } |
| 5302 | unit_length = read_8ubyte_unaligned_inc (dbg, linep); |
| 5303 | length = 8; |
| 5304 | } |
| 5305 | |
| 5306 | /* Check whether we have enough room in the section. */ |
| 5307 | if (unit_length < 2 + length + 5 * 1 |
| 5308 | || unlikely (linep + unit_length > lineendp)) |
| 5309 | goto invalid_data; |
| 5310 | lineendp = linep + unit_length; |
| 5311 | |
| 5312 | /* The next element of the header is the version identifier. */ |
| 5313 | uint_fast16_t version = read_2ubyte_unaligned_inc (dbg, linep); |
| 5314 | |
| 5315 | /* Next comes the header length. */ |
| 5316 | Dwarf_Word header_length; |
| 5317 | if (length == 4) |
| 5318 | header_length = read_4ubyte_unaligned_inc (dbg, linep); |
| 5319 | else |
| 5320 | header_length = read_8ubyte_unaligned_inc (dbg, linep); |
| 5321 | //const unsigned char *header_start = linep; |
| 5322 | |
| 5323 | /* Next the minimum instruction length. */ |
| 5324 | uint_fast8_t minimum_instr_len = *linep++; |
| 5325 | |
| 5326 | /* Then the flag determining the default value of the is_stmt |
| 5327 | register. */ |
| 5328 | uint_fast8_t default_is_stmt = *linep++; |
| 5329 | |
| 5330 | /* Now the line base. */ |
| 5331 | int_fast8_t line_base = *((const int_fast8_t *) linep); |
| 5332 | ++linep; |
| 5333 | |
| 5334 | /* And the line range. */ |
| 5335 | uint_fast8_t line_range = *linep++; |
| 5336 | |
| 5337 | /* The opcode base. */ |
| 5338 | uint_fast8_t opcode_base = *linep++; |
| 5339 | |
| 5340 | /* Print what we got so far. */ |
| 5341 | printf (gettext ("\n" |
| 5342 | " Length: %" PRIu64 "\n" |
| 5343 | " DWARF version: %" PRIuFAST16 "\n" |
| 5344 | " Prologue length: %" PRIu64 "\n" |
| 5345 | " Minimum instruction length: %" PRIuFAST8 "\n" |
| 5346 | " Initial value if '%s': %" PRIuFAST8 "\n" |
| 5347 | " Line base: %" PRIdFAST8 "\n" |
| 5348 | " Line range: %" PRIuFAST8 "\n" |
| 5349 | " Opcode base: %" PRIuFAST8 "\n" |
| 5350 | "\n" |
| 5351 | "Opcodes:\n"), |
| 5352 | (uint64_t) unit_length, version, (uint64_t) header_length, |
| 5353 | minimum_instr_len, "is_stmt", default_is_stmt, line_base, |
| 5354 | line_range, opcode_base); |
| 5355 | |
| 5356 | if (unlikely (linep + opcode_base - 1 >= lineendp)) |
Roland McGrath | e4c22ea | 2007-10-23 13:07:39 +0000 | [diff] [blame] | 5357 | { |
| 5358 | invalid_unit: |
| 5359 | error (0, 0, |
| 5360 | gettext ("invalid data at offset %tu in section [%zu] '%s'"), |
| 5361 | linep - (const unsigned char *) data->d_buf, |
| 5362 | elf_ndxscn (scn), ".debug_line"); |
| 5363 | linep = lineendp; |
| 5364 | continue; |
| 5365 | } |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 5366 | int opcode_base_l10 = 1; |
| 5367 | unsigned int tmp = opcode_base; |
| 5368 | while (tmp > 10) |
| 5369 | { |
| 5370 | tmp /= 10; |
| 5371 | ++opcode_base_l10; |
| 5372 | } |
| 5373 | const uint8_t *standard_opcode_lengths = linep - 1; |
| 5374 | for (uint_fast8_t cnt = 1; cnt < opcode_base; ++cnt) |
| 5375 | printf (ngettext (" [%*" PRIuFAST8 "] %hhu argument\n", |
| 5376 | " [%*" PRIuFAST8 "] %hhu arguments\n", |
| 5377 | (int) linep[cnt - 1]), |
| 5378 | opcode_base_l10, cnt, linep[cnt - 1]); |
| 5379 | linep += opcode_base - 1; |
| 5380 | if (unlikely (linep >= lineendp)) |
Roland McGrath | e4c22ea | 2007-10-23 13:07:39 +0000 | [diff] [blame] | 5381 | goto invalid_unit; |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 5382 | |
| 5383 | puts (gettext ("\nDirectory table:")); |
| 5384 | while (*linep != 0) |
| 5385 | { |
| 5386 | unsigned char *endp = memchr (linep, '\0', lineendp - linep); |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 5387 | if (unlikely (endp == NULL)) |
Roland McGrath | e4c22ea | 2007-10-23 13:07:39 +0000 | [diff] [blame] | 5388 | goto invalid_unit; |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 5389 | |
| 5390 | printf (" %s\n", (char *) linep); |
| 5391 | |
| 5392 | linep = endp + 1; |
| 5393 | } |
| 5394 | /* Skip the final NUL byte. */ |
| 5395 | ++linep; |
| 5396 | |
| 5397 | if (unlikely (linep >= lineendp)) |
Roland McGrath | e4c22ea | 2007-10-23 13:07:39 +0000 | [diff] [blame] | 5398 | goto invalid_unit; |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 5399 | puts (gettext ("\nFile name table:\n" |
| 5400 | " Entry Dir Time Size Name")); |
| 5401 | for (unsigned int cnt = 1; *linep != 0; ++cnt) |
| 5402 | { |
| 5403 | /* First comes the file name. */ |
| 5404 | char *fname = (char *) linep; |
| 5405 | unsigned char *endp = memchr (fname, '\0', lineendp - linep); |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 5406 | if (unlikely (endp == NULL)) |
Roland McGrath | e4c22ea | 2007-10-23 13:07:39 +0000 | [diff] [blame] | 5407 | goto invalid_unit; |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 5408 | linep = endp + 1; |
| 5409 | |
| 5410 | /* Then the index. */ |
| 5411 | unsigned int diridx; |
| 5412 | get_uleb128 (diridx, linep); |
| 5413 | |
| 5414 | /* Next comes the modification time. */ |
| 5415 | unsigned int mtime; |
| 5416 | get_uleb128 (mtime, linep); |
| 5417 | |
| 5418 | /* Finally the length of the file. */ |
| 5419 | unsigned int fsize; |
| 5420 | get_uleb128 (fsize, linep); |
| 5421 | |
| 5422 | printf (" %-5u %-5u %-9u %-9u %s\n", |
| 5423 | cnt, diridx, mtime, fsize, fname); |
| 5424 | } |
| 5425 | /* Skip the final NUL byte. */ |
| 5426 | ++linep; |
| 5427 | |
| 5428 | puts (gettext ("\nLine number statements:")); |
| 5429 | Dwarf_Word address = 0; |
| 5430 | size_t line = 1; |
| 5431 | uint_fast8_t is_stmt = default_is_stmt; |
| 5432 | |
| 5433 | /* Default address value, in case we do not find the CU. */ |
| 5434 | size_t address_size |
| 5435 | = elf_getident (ebl->elf, NULL)[EI_CLASS] == ELFCLASS32 ? 4 : 8; |
| 5436 | |
| 5437 | /* Determine the CU this block is for. */ |
| 5438 | Dwarf_Off cuoffset; |
| 5439 | Dwarf_Off ncuoffset = 0; |
| 5440 | size_t hsize; |
| 5441 | while (dwarf_nextcu (dbg, cuoffset = ncuoffset, &ncuoffset, &hsize, |
| 5442 | NULL, NULL, NULL) == 0) |
| 5443 | { |
| 5444 | Dwarf_Die cudie; |
| 5445 | if (dwarf_offdie (dbg, cuoffset + hsize, &cudie) == NULL) |
| 5446 | continue; |
| 5447 | Dwarf_Attribute stmt_list; |
| 5448 | if (dwarf_attr (&cudie, DW_AT_stmt_list, &stmt_list) == NULL) |
| 5449 | continue; |
| 5450 | Dwarf_Word lineoff; |
| 5451 | if (dwarf_formudata (&stmt_list, &lineoff) != 0) |
| 5452 | continue; |
| 5453 | if (lineoff == start_offset) |
| 5454 | { |
| 5455 | /* Found the CU. */ |
| 5456 | address_size = cudie.cu->address_size; |
| 5457 | break; |
| 5458 | } |
| 5459 | } |
| 5460 | |
| 5461 | while (linep < lineendp) |
| 5462 | { |
| 5463 | unsigned int u128; |
| 5464 | int s128; |
| 5465 | |
| 5466 | /* Read the opcode. */ |
| 5467 | unsigned int opcode = *linep++; |
| 5468 | |
| 5469 | /* Is this a special opcode? */ |
| 5470 | if (likely (opcode >= opcode_base)) |
| 5471 | { |
| 5472 | /* Yes. Handling this is quite easy since the opcode value |
| 5473 | is computed with |
| 5474 | |
| 5475 | opcode = (desired line increment - line_base) |
| 5476 | + (line_range * address advance) + opcode_base |
| 5477 | */ |
| 5478 | int line_increment = (line_base |
| 5479 | + (opcode - opcode_base) % line_range); |
| 5480 | unsigned int address_increment = (minimum_instr_len |
| 5481 | * ((opcode - opcode_base) |
| 5482 | / line_range)); |
| 5483 | |
| 5484 | /* Perform the increments. */ |
| 5485 | line += line_increment; |
| 5486 | address += address_increment; |
| 5487 | |
Ulrich Drepper | b597dfa | 2007-10-16 05:21:27 +0000 | [diff] [blame] | 5488 | char *a = format_dwarf_addr (dwflmod, 0, address); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 5489 | printf (gettext ("\ |
Ulrich Drepper | b597dfa | 2007-10-16 05:21:27 +0000 | [diff] [blame] | 5490 | special opcode %u: address+%u = %s, line%+d = %zu\n"), |
| 5491 | opcode, address_increment, a, line_increment, line); |
| 5492 | free (a); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 5493 | } |
| 5494 | else if (opcode == 0) |
| 5495 | { |
| 5496 | /* This an extended opcode. */ |
| 5497 | if (unlikely (linep + 2 > lineendp)) |
Roland McGrath | e4c22ea | 2007-10-23 13:07:39 +0000 | [diff] [blame] | 5498 | goto invalid_unit; |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 5499 | |
| 5500 | /* The length. */ |
| 5501 | unsigned int len = *linep++; |
| 5502 | |
| 5503 | if (unlikely (linep + len > lineendp)) |
Roland McGrath | e4c22ea | 2007-10-23 13:07:39 +0000 | [diff] [blame] | 5504 | goto invalid_unit; |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 5505 | |
| 5506 | /* The sub-opcode. */ |
| 5507 | opcode = *linep++; |
| 5508 | |
| 5509 | printf (gettext (" extended opcode %u: "), opcode); |
| 5510 | |
| 5511 | switch (opcode) |
| 5512 | { |
| 5513 | case DW_LNE_end_sequence: |
| 5514 | puts (gettext ("end of sequence")); |
| 5515 | |
| 5516 | /* Reset the registers we care about. */ |
| 5517 | address = 0; |
| 5518 | line = 1; |
| 5519 | is_stmt = default_is_stmt; |
| 5520 | break; |
| 5521 | |
| 5522 | case DW_LNE_set_address: |
| 5523 | if (address_size == 4) |
| 5524 | address = read_4ubyte_unaligned_inc (dbg, linep); |
| 5525 | else |
| 5526 | address = read_8ubyte_unaligned_inc (dbg, linep); |
Ulrich Drepper | b597dfa | 2007-10-16 05:21:27 +0000 | [diff] [blame] | 5527 | { |
| 5528 | char *a = format_dwarf_addr (dwflmod, 0, address); |
| 5529 | printf (gettext ("set address to %s\n"), a); |
| 5530 | free (a); |
| 5531 | } |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 5532 | break; |
| 5533 | |
| 5534 | case DW_LNE_define_file: |
| 5535 | { |
| 5536 | char *fname = (char *) linep; |
| 5537 | unsigned char *endp = memchr (linep, '\0', |
| 5538 | lineendp - linep); |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 5539 | if (unlikely (endp == NULL)) |
Roland McGrath | e4c22ea | 2007-10-23 13:07:39 +0000 | [diff] [blame] | 5540 | goto invalid_unit; |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 5541 | linep = endp + 1; |
| 5542 | |
| 5543 | unsigned int diridx; |
| 5544 | get_uleb128 (diridx, linep); |
| 5545 | Dwarf_Word mtime; |
| 5546 | get_uleb128 (mtime, linep); |
| 5547 | Dwarf_Word filelength; |
| 5548 | get_uleb128 (filelength, linep); |
| 5549 | |
| 5550 | printf (gettext ("\ |
| 5551 | define new file: dir=%u, mtime=%" PRIu64 ", length=%" PRIu64 ", name=%s\n"), |
| 5552 | diridx, (uint64_t) mtime, (uint64_t) filelength, |
| 5553 | fname); |
| 5554 | } |
| 5555 | break; |
| 5556 | |
| 5557 | default: |
| 5558 | /* Unknown, ignore it. */ |
| 5559 | puts (gettext ("unknown opcode")); |
| 5560 | linep += len - 1; |
| 5561 | break; |
| 5562 | } |
| 5563 | } |
Ulrich Drepper | 6d5c3bd | 2005-08-11 04:37:52 +0000 | [diff] [blame] | 5564 | else if (opcode <= DW_LNS_set_epilogue_begin) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 5565 | { |
| 5566 | /* This is a known standard opcode. */ |
| 5567 | switch (opcode) |
| 5568 | { |
| 5569 | case DW_LNS_copy: |
| 5570 | /* Takes no argument. */ |
| 5571 | puts (gettext (" copy")); |
| 5572 | break; |
| 5573 | |
| 5574 | case DW_LNS_advance_pc: |
| 5575 | /* Takes one uleb128 parameter which is added to the |
| 5576 | address. */ |
| 5577 | get_uleb128 (u128, linep); |
| 5578 | address += minimum_instr_len * u128; |
Ulrich Drepper | b597dfa | 2007-10-16 05:21:27 +0000 | [diff] [blame] | 5579 | { |
| 5580 | char *a = format_dwarf_addr (dwflmod, 0, address); |
| 5581 | printf (gettext ("advance address by %u to %s\n"), |
| 5582 | u128, a); |
| 5583 | free (a); |
| 5584 | } |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 5585 | break; |
| 5586 | |
| 5587 | case DW_LNS_advance_line: |
| 5588 | /* Takes one sleb128 parameter which is added to the |
| 5589 | line. */ |
| 5590 | get_sleb128 (s128, linep); |
| 5591 | line += s128; |
| 5592 | printf (gettext ("\ |
| 5593 | advance line by constant %d to %" PRId64 "\n"), |
| 5594 | s128, (int64_t) line); |
| 5595 | break; |
| 5596 | |
| 5597 | case DW_LNS_set_file: |
| 5598 | /* Takes one uleb128 parameter which is stored in file. */ |
| 5599 | get_uleb128 (u128, linep); |
| 5600 | printf (gettext (" set file to %" PRIu64 "\n"), |
| 5601 | (uint64_t) u128); |
| 5602 | break; |
| 5603 | |
| 5604 | case DW_LNS_set_column: |
| 5605 | /* Takes one uleb128 parameter which is stored in column. */ |
| 5606 | if (unlikely (standard_opcode_lengths[opcode] != 1)) |
Roland McGrath | e4c22ea | 2007-10-23 13:07:39 +0000 | [diff] [blame] | 5607 | goto invalid_unit; |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 5608 | |
| 5609 | get_uleb128 (u128, linep); |
| 5610 | printf (gettext (" set column to %" PRIu64 "\n"), |
| 5611 | (uint64_t) u128); |
| 5612 | break; |
| 5613 | |
| 5614 | case DW_LNS_negate_stmt: |
| 5615 | /* Takes no argument. */ |
| 5616 | is_stmt = 1 - is_stmt; |
| 5617 | printf (gettext (" set '%s' to %" PRIuFAST8 "\n"), |
| 5618 | "is_stmt", is_stmt); |
| 5619 | break; |
| 5620 | |
| 5621 | case DW_LNS_set_basic_block: |
| 5622 | /* Takes no argument. */ |
| 5623 | puts (gettext (" set basic block flag")); |
| 5624 | break; |
| 5625 | |
| 5626 | case DW_LNS_const_add_pc: |
| 5627 | /* Takes no argument. */ |
| 5628 | u128 = (minimum_instr_len |
| 5629 | * ((255 - opcode_base) / line_range)); |
| 5630 | address += u128; |
Ulrich Drepper | b597dfa | 2007-10-16 05:21:27 +0000 | [diff] [blame] | 5631 | { |
| 5632 | char *a = format_dwarf_addr (dwflmod, 0, address); |
| 5633 | printf (gettext ("advance address by constant %u to %s\n"), |
| 5634 | u128, a); |
| 5635 | free (a); |
| 5636 | } |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 5637 | break; |
| 5638 | |
| 5639 | case DW_LNS_fixed_advance_pc: |
| 5640 | /* Takes one 16 bit parameter which is added to the |
| 5641 | address. */ |
| 5642 | if (unlikely (standard_opcode_lengths[opcode] != 1)) |
Roland McGrath | e4c22ea | 2007-10-23 13:07:39 +0000 | [diff] [blame] | 5643 | goto invalid_unit; |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 5644 | |
| 5645 | u128 = read_2ubyte_unaligned_inc (dbg, linep); |
| 5646 | address += u128; |
Ulrich Drepper | b597dfa | 2007-10-16 05:21:27 +0000 | [diff] [blame] | 5647 | { |
| 5648 | char *a = format_dwarf_addr (dwflmod, 0, address); |
| 5649 | printf (gettext ("\ |
| 5650 | advance address by fixed value %u to %s\n"), |
| 5651 | u128, a); |
| 5652 | free (a); |
| 5653 | } |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 5654 | break; |
| 5655 | |
| 5656 | case DW_LNS_set_prologue_end: |
| 5657 | /* Takes no argument. */ |
| 5658 | puts (gettext (" set prologue end flag")); |
| 5659 | break; |
| 5660 | |
Ulrich Drepper | 6d5c3bd | 2005-08-11 04:37:52 +0000 | [diff] [blame] | 5661 | case DW_LNS_set_epilogue_begin: |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 5662 | /* Takes no argument. */ |
| 5663 | puts (gettext (" set epilogue begin flag")); |
| 5664 | break; |
| 5665 | } |
| 5666 | } |
| 5667 | else |
| 5668 | { |
| 5669 | /* This is a new opcode the generator but not we know about. |
| 5670 | Read the parameters associated with it but then discard |
| 5671 | everything. Read all the parameters for this opcode. */ |
| 5672 | printf (ngettext (" unknown opcode with %" PRIu8 " parameter:", |
| 5673 | " unknown opcode with %" PRIu8 " parameters:", |
| 5674 | standard_opcode_lengths[opcode]), |
| 5675 | standard_opcode_lengths[opcode]); |
| 5676 | for (int n = standard_opcode_lengths[opcode]; n > 0; --n) |
| 5677 | { |
| 5678 | get_uleb128 (u128, linep); |
| 5679 | if (n != standard_opcode_lengths[opcode]) |
| 5680 | putc_unlocked (',', stdout); |
| 5681 | printf (" %u", u128); |
| 5682 | } |
| 5683 | |
| 5684 | /* Next round, ignore this opcode. */ |
| 5685 | continue; |
| 5686 | } |
| 5687 | } |
| 5688 | } |
| 5689 | |
| 5690 | /* There must only be one data block. */ |
| 5691 | assert (elf_getdata (scn, data) == NULL); |
| 5692 | } |
| 5693 | |
| 5694 | |
| 5695 | static void |
Ulrich Drepper | b597dfa | 2007-10-16 05:21:27 +0000 | [diff] [blame] | 5696 | print_debug_loc_section (Dwfl_Module *dwflmod, |
Ulrich Drepper | 351bf20 | 2009-01-15 20:18:40 -0800 | [diff] [blame] | 5697 | Ebl *ebl __attribute__ ((unused)), GElf_Ehdr *ehdr, |
| 5698 | Elf_Scn *scn, GElf_Shdr *shdr, Dwarf *dbg) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 5699 | { |
| 5700 | Elf_Data *data = elf_rawdata (scn, NULL); |
| 5701 | |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 5702 | if (unlikely (data == NULL)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 5703 | { |
| 5704 | error (0, 0, gettext ("cannot get .debug_loc content: %s"), |
| 5705 | elf_errmsg (-1)); |
| 5706 | return; |
| 5707 | } |
| 5708 | |
| 5709 | printf (gettext ("\ |
Ulrich Drepper | 351bf20 | 2009-01-15 20:18:40 -0800 | [diff] [blame] | 5710 | \nDWARF section [%2zu] '%s' at offset %#" PRIx64 ":\n"), |
| 5711 | elf_ndxscn (scn), ".debug_loc", (uint64_t) shdr->sh_offset); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 5712 | |
| 5713 | size_t address_size = ehdr->e_ident[EI_CLASS] == ELFCLASS32 ? 4 : 8; |
| 5714 | |
| 5715 | bool first = true; |
| 5716 | unsigned char *readp = data->d_buf; |
| 5717 | while (readp < (unsigned char *) data->d_buf + data->d_size) |
| 5718 | { |
| 5719 | ptrdiff_t offset = readp - (unsigned char *) data->d_buf; |
| 5720 | |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 5721 | if (unlikely (data->d_size - offset < address_size * 2)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 5722 | { |
Ulrich Drepper | b597dfa | 2007-10-16 05:21:27 +0000 | [diff] [blame] | 5723 | printf (gettext (" [%6tx] <INVALID DATA>\n"), offset); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 5724 | break; |
| 5725 | } |
| 5726 | |
| 5727 | Dwarf_Addr begin; |
| 5728 | Dwarf_Addr end; |
| 5729 | if (address_size == 8) |
| 5730 | { |
| 5731 | begin = read_8ubyte_unaligned_inc (dbg, readp); |
| 5732 | end = read_8ubyte_unaligned_inc (dbg, readp); |
| 5733 | } |
| 5734 | else |
| 5735 | { |
| 5736 | begin = read_4ubyte_unaligned_inc (dbg, readp); |
| 5737 | end = read_4ubyte_unaligned_inc (dbg, readp); |
| 5738 | if (begin == (Dwarf_Addr) (uint32_t) -1) |
| 5739 | begin = (Dwarf_Addr) -1l; |
| 5740 | } |
| 5741 | |
| 5742 | if (begin == (Dwarf_Addr) -1l) /* Base address entry. */ |
Ulrich Drepper | b597dfa | 2007-10-16 05:21:27 +0000 | [diff] [blame] | 5743 | { |
| 5744 | char *b = format_dwarf_addr (dwflmod, address_size, end); |
| 5745 | printf (gettext (" [%6tx] base address %s\n"), offset, b); |
| 5746 | free (b); |
| 5747 | } |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 5748 | else if (begin == 0 && end == 0) /* End of list entry. */ |
| 5749 | first = true; |
| 5750 | else |
| 5751 | { |
| 5752 | /* We have a location expression entry. */ |
| 5753 | uint_fast16_t len = read_2ubyte_unaligned_inc (dbg, readp); |
| 5754 | |
Ulrich Drepper | b597dfa | 2007-10-16 05:21:27 +0000 | [diff] [blame] | 5755 | char *b = format_dwarf_addr (dwflmod, address_size, begin); |
| 5756 | char *e = format_dwarf_addr (dwflmod, address_size, end); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 5757 | |
Ulrich Drepper | b597dfa | 2007-10-16 05:21:27 +0000 | [diff] [blame] | 5758 | if (first) /* First entry in a list. */ |
| 5759 | printf (gettext (" [%6tx] %s..%s"), offset, b, e); |
| 5760 | else |
| 5761 | printf (gettext (" %s..%s"), b, e); |
| 5762 | |
| 5763 | free (b); |
| 5764 | free (e); |
| 5765 | |
| 5766 | print_ops (dwflmod, dbg, 1, 18 + (address_size * 4), |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 5767 | address_size, len, readp); |
| 5768 | |
| 5769 | first = false; |
| 5770 | readp += len; |
| 5771 | } |
| 5772 | } |
| 5773 | } |
| 5774 | |
| 5775 | struct mac_culist |
| 5776 | { |
| 5777 | Dwarf_Die die; |
| 5778 | Dwarf_Off offset; |
| 5779 | Dwarf_Files *files; |
| 5780 | struct mac_culist *next; |
| 5781 | }; |
| 5782 | |
| 5783 | |
| 5784 | static int |
| 5785 | mac_compare (const void *p1, const void *p2) |
| 5786 | { |
| 5787 | struct mac_culist *m1 = (struct mac_culist *) p1; |
| 5788 | struct mac_culist *m2 = (struct mac_culist *) p2; |
| 5789 | |
| 5790 | if (m1->offset < m2->offset) |
| 5791 | return -1; |
| 5792 | if (m1->offset > m2->offset) |
| 5793 | return 1; |
| 5794 | return 0; |
| 5795 | } |
| 5796 | |
| 5797 | |
| 5798 | static void |
Ulrich Drepper | b597dfa | 2007-10-16 05:21:27 +0000 | [diff] [blame] | 5799 | print_debug_macinfo_section (Dwfl_Module *dwflmod __attribute__ ((unused)), |
| 5800 | Ebl *ebl __attribute__ ((unused)), |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 5801 | GElf_Ehdr *ehdr __attribute__ ((unused)), |
| 5802 | Elf_Scn *scn, GElf_Shdr *shdr, Dwarf *dbg) |
| 5803 | { |
| 5804 | printf (gettext ("\ |
Ulrich Drepper | 351bf20 | 2009-01-15 20:18:40 -0800 | [diff] [blame] | 5805 | \nDWARF section [%2zu] '%s' at offset %#" PRIx64 ":\n"), |
| 5806 | elf_ndxscn (scn), ".debug_macinfo", (uint64_t) shdr->sh_offset); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 5807 | putc_unlocked ('\n', stdout); |
| 5808 | |
| 5809 | /* There is no function in libdw to iterate over the raw content of |
| 5810 | the section but it is easy enough to do. */ |
| 5811 | Elf_Data *data = elf_getdata (scn, NULL); |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 5812 | if (unlikely (data == NULL || data->d_buf == NULL)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 5813 | { |
| 5814 | error (0, 0, gettext ("cannot get macro information section data: %s"), |
| 5815 | elf_errmsg (-1)); |
| 5816 | return; |
| 5817 | } |
| 5818 | |
| 5819 | /* Get the source file information for all CUs. */ |
| 5820 | Dwarf_Off offset; |
| 5821 | Dwarf_Off ncu = 0; |
| 5822 | size_t hsize; |
| 5823 | struct mac_culist *culist = NULL; |
| 5824 | size_t nculist = 0; |
| 5825 | while (dwarf_nextcu (dbg, offset = ncu, &ncu, &hsize, NULL, NULL, NULL) == 0) |
| 5826 | { |
| 5827 | Dwarf_Die cudie; |
| 5828 | if (dwarf_offdie (dbg, offset + hsize, &cudie) == NULL) |
| 5829 | continue; |
| 5830 | |
| 5831 | Dwarf_Attribute attr; |
| 5832 | if (dwarf_attr (&cudie, DW_AT_macro_info, &attr) == NULL) |
| 5833 | continue; |
| 5834 | |
| 5835 | Dwarf_Word macoff; |
| 5836 | if (dwarf_formudata (&attr, &macoff) != 0) |
| 5837 | continue; |
| 5838 | |
| 5839 | struct mac_culist *newp = (struct mac_culist *) alloca (sizeof (*newp)); |
| 5840 | newp->die = cudie; |
| 5841 | newp->offset = macoff; |
| 5842 | newp->files = NULL; |
| 5843 | newp->next = culist; |
| 5844 | culist = newp; |
| 5845 | ++nculist; |
| 5846 | } |
| 5847 | |
| 5848 | /* Convert the list into an array for easier consumption. */ |
| 5849 | struct mac_culist *cus = (struct mac_culist *) alloca ((nculist + 1) |
| 5850 | * sizeof (*cus)); |
| 5851 | /* Add sentinel. */ |
| 5852 | cus[nculist].offset = data->d_size; |
| 5853 | if (nculist > 0) |
| 5854 | { |
| 5855 | for (size_t cnt = nculist - 1; culist != NULL; --cnt) |
| 5856 | { |
| 5857 | assert (cnt < nculist); |
| 5858 | cus[cnt] = *culist; |
| 5859 | culist = culist->next; |
| 5860 | } |
| 5861 | |
| 5862 | /* Sort the array according to the offset in the .debug_macinfo |
| 5863 | section. Note we keep the sentinel at the end. */ |
| 5864 | qsort (cus, nculist, sizeof (*cus), mac_compare); |
| 5865 | } |
| 5866 | |
| 5867 | const unsigned char *readp = (const unsigned char *) data->d_buf; |
| 5868 | const unsigned char *readendp = readp + data->d_size; |
| 5869 | int level = 1; |
| 5870 | |
| 5871 | while (readp < readendp) |
| 5872 | { |
| 5873 | unsigned int opcode = *readp++; |
| 5874 | unsigned int u128; |
| 5875 | unsigned int u128_2; |
| 5876 | const unsigned char *endp; |
| 5877 | |
| 5878 | switch (opcode) |
| 5879 | { |
| 5880 | case DW_MACINFO_define: |
| 5881 | case DW_MACINFO_undef: |
| 5882 | case DW_MACINFO_vendor_ext: |
| 5883 | /* For the first two opcodes the parameters are |
| 5884 | line, string |
| 5885 | For the latter |
| 5886 | number, string. |
| 5887 | We can treat these cases together. */ |
| 5888 | get_uleb128 (u128, readp); |
| 5889 | |
| 5890 | endp = memchr (readp, '\0', readendp - readp); |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 5891 | if (unlikely (endp == NULL)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 5892 | { |
| 5893 | printf (gettext ("\ |
| 5894 | %*s*** non-terminated string at end of section"), |
| 5895 | level, ""); |
| 5896 | return; |
| 5897 | } |
| 5898 | |
| 5899 | if (opcode == DW_MACINFO_define) |
| 5900 | printf ("%*s#define %s, line %u\n", |
| 5901 | level, "", (char *) readp, u128); |
| 5902 | else if (opcode == DW_MACINFO_undef) |
| 5903 | printf ("%*s#undef %s, line %u\n", |
| 5904 | level, "", (char *) readp, u128); |
| 5905 | else |
| 5906 | printf (" #vendor-ext %s, number %u\n", (char *) readp, u128); |
| 5907 | |
| 5908 | readp = endp + 1; |
| 5909 | break; |
| 5910 | |
| 5911 | case DW_MACINFO_start_file: |
| 5912 | /* The two parameters are line and file index, in this order. */ |
| 5913 | get_uleb128 (u128, readp); |
| 5914 | get_uleb128 (u128_2, readp); |
| 5915 | |
| 5916 | /* Find the CU DIE for this file. */ |
| 5917 | size_t macoff = readp - (const unsigned char *) data->d_buf; |
| 5918 | const char *fname = "???"; |
| 5919 | if (macoff >= cus[0].offset) |
| 5920 | { |
| 5921 | while (macoff >= cus[1].offset) |
| 5922 | ++cus; |
| 5923 | |
| 5924 | if (cus[0].files == NULL |
| 5925 | && dwarf_getsrcfiles (&cus[0].die, &cus[0].files, NULL) != 0) |
| 5926 | cus[0].files = (Dwarf_Files *) -1l; |
| 5927 | |
| 5928 | if (cus[0].files != (Dwarf_Files *) -1l) |
| 5929 | fname = (dwarf_filesrc (cus[0].files, u128_2, NULL, NULL) |
| 5930 | ?: "???"); |
| 5931 | } |
| 5932 | |
| 5933 | printf ("%*sstart_file %u, [%u] %s\n", |
| 5934 | level, "", u128, u128_2, fname); |
| 5935 | ++level; |
| 5936 | break; |
| 5937 | |
| 5938 | case DW_MACINFO_end_file: |
| 5939 | --level; |
| 5940 | printf ("%*send_file\n", level, ""); |
| 5941 | /* Nothing more to do. */ |
| 5942 | break; |
| 5943 | |
| 5944 | default: |
| 5945 | // XXX gcc seems to generate files with a trailing zero. |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 5946 | if (unlikely (opcode != 0 || readp != readendp)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 5947 | printf ("%*s*** invalid opcode %u\n", level, "", opcode); |
| 5948 | break; |
| 5949 | } |
| 5950 | } |
| 5951 | } |
| 5952 | |
| 5953 | |
| 5954 | /* Callback for printing global names. */ |
| 5955 | static int |
| 5956 | print_pubnames (Dwarf *dbg __attribute__ ((unused)), Dwarf_Global *global, |
| 5957 | void *arg) |
| 5958 | { |
| 5959 | int *np = (int *) arg; |
| 5960 | |
| 5961 | printf (gettext (" [%5d] DIE offset: %6" PRId64 |
| 5962 | ", CU DIE offset: %6" PRId64 ", name: %s\n"), |
| 5963 | (*np)++, global->die_offset, global->cu_offset, global->name); |
| 5964 | |
| 5965 | return 0; |
| 5966 | } |
| 5967 | |
| 5968 | |
| 5969 | /* Print the known exported symbols in the DWARF section '.debug_pubnames'. */ |
| 5970 | static void |
Ulrich Drepper | b597dfa | 2007-10-16 05:21:27 +0000 | [diff] [blame] | 5971 | print_debug_pubnames_section (Dwfl_Module *dwflmod __attribute__ ((unused)), |
| 5972 | Ebl *ebl __attribute__ ((unused)), |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 5973 | GElf_Ehdr *ehdr __attribute__ ((unused)), |
Ulrich Drepper | 351bf20 | 2009-01-15 20:18:40 -0800 | [diff] [blame] | 5974 | Elf_Scn *scn, GElf_Shdr *shdr, Dwarf *dbg) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 5975 | { |
Ulrich Drepper | 351bf20 | 2009-01-15 20:18:40 -0800 | [diff] [blame] | 5976 | printf (gettext ("\nDWARF section [%2zu] '%s' at offset %#" PRIx64 ":\n"), |
| 5977 | elf_ndxscn (scn), ".debug_pubnames", (uint64_t) shdr->sh_offset); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 5978 | |
| 5979 | int n = 0; |
| 5980 | (void) dwarf_getpubnames (dbg, print_pubnames, &n, 0); |
| 5981 | } |
| 5982 | |
| 5983 | /* Print the content of the DWARF string section '.debug_str'. */ |
| 5984 | static void |
Ulrich Drepper | b597dfa | 2007-10-16 05:21:27 +0000 | [diff] [blame] | 5985 | print_debug_str_section (Dwfl_Module *dwflmod __attribute__ ((unused)), |
| 5986 | Ebl *ebl __attribute__ ((unused)), |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 5987 | GElf_Ehdr *ehdr __attribute__ ((unused)), |
Ulrich Drepper | 351bf20 | 2009-01-15 20:18:40 -0800 | [diff] [blame] | 5988 | Elf_Scn *scn, GElf_Shdr *shdr, Dwarf *dbg) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 5989 | { |
| 5990 | /* Compute floor(log16(shdr->sh_size)). */ |
| 5991 | GElf_Addr tmp = shdr->sh_size; |
| 5992 | int digits = 1; |
| 5993 | while (tmp >= 16) |
| 5994 | { |
| 5995 | ++digits; |
| 5996 | tmp >>= 4; |
| 5997 | } |
| 5998 | digits = MAX (4, digits); |
| 5999 | |
Ulrich Drepper | 351bf20 | 2009-01-15 20:18:40 -0800 | [diff] [blame] | 6000 | printf (gettext ("\nDWARF section [%2zu] '%s' at offset %#" PRIx64 ":\n" |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 6001 | " %*s String\n"), |
Ulrich Drepper | 351bf20 | 2009-01-15 20:18:40 -0800 | [diff] [blame] | 6002 | elf_ndxscn (scn), |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 6003 | ".debug_str", (uint64_t) shdr->sh_offset, |
| 6004 | /* TRANS: the debugstr| prefix makes the string unique. */ |
| 6005 | digits + 2, sgettext ("debugstr|Offset")); |
| 6006 | |
| 6007 | Dwarf_Off offset = 0; |
| 6008 | while (offset < shdr->sh_size) |
| 6009 | { |
| 6010 | size_t len; |
| 6011 | const char *str = dwarf_getstring (dbg, offset, &len); |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 6012 | if (unlikely (str == NULL)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 6013 | { |
| 6014 | printf (gettext (" *** error while reading strings: %s\n"), |
| 6015 | dwarf_errmsg (-1)); |
| 6016 | break; |
| 6017 | } |
| 6018 | |
| 6019 | printf (" [%*" PRIx64 "] \"%s\"\n", digits, (uint64_t) offset, str); |
| 6020 | |
| 6021 | offset += len + 1; |
| 6022 | } |
| 6023 | } |
| 6024 | |
Ulrich Drepper | 351bf20 | 2009-01-15 20:18:40 -0800 | [diff] [blame] | 6025 | |
Ulrich Drepper | 351bf20 | 2009-01-15 20:18:40 -0800 | [diff] [blame] | 6026 | /* Print the content of the call frame search table section |
| 6027 | '.eh_frame_hdr'. */ |
| 6028 | static void |
| 6029 | print_debug_frame_hdr_section (Dwfl_Module *dwflmod __attribute__ ((unused)), |
| 6030 | Ebl *ebl __attribute__ ((unused)), |
| 6031 | GElf_Ehdr *ehdr __attribute__ ((unused)), |
Ulrich Drepper | b006fbf | 2009-01-16 03:08:25 -0800 | [diff] [blame] | 6032 | Elf_Scn *scn, GElf_Shdr *shdr, Dwarf *dbg) |
Ulrich Drepper | 351bf20 | 2009-01-15 20:18:40 -0800 | [diff] [blame] | 6033 | { |
| 6034 | printf (gettext ("\ |
| 6035 | \nCall frame search table section [%2zu] '.eh_frame_hdr':\n"), |
| 6036 | elf_ndxscn (scn)); |
| 6037 | |
| 6038 | Elf_Data *data = elf_rawdata (scn, NULL); |
| 6039 | |
| 6040 | if (unlikely (data == NULL)) |
| 6041 | { |
| 6042 | error (0, 0, gettext ("cannot get %s content: %s"), |
| 6043 | ".eh_frame_hdr", elf_errmsg (-1)); |
| 6044 | return; |
| 6045 | } |
| 6046 | |
| 6047 | const unsigned char *readp = data->d_buf; |
| 6048 | const unsigned char *const dataend = ((unsigned char *) data->d_buf |
| 6049 | + data->d_size); |
| 6050 | |
| 6051 | if (unlikely (readp + 4 > dataend)) |
| 6052 | { |
| 6053 | invalid_data: |
| 6054 | error (0, 0, gettext ("invalid data")); |
| 6055 | return; |
| 6056 | } |
| 6057 | |
| 6058 | unsigned int version = *readp++; |
| 6059 | unsigned int eh_frame_ptr_enc = *readp++; |
| 6060 | unsigned int fde_count_enc = *readp++; |
| 6061 | unsigned int table_enc = *readp++; |
| 6062 | |
| 6063 | printf (" version: %u\n" |
| 6064 | " eh_frame_ptr_enc: %#x ", |
| 6065 | version, eh_frame_ptr_enc); |
Ulrich Drepper | bc29897 | 2009-01-16 11:50:10 -0800 | [diff] [blame] | 6066 | print_encoding_base ("", eh_frame_ptr_enc); |
Ulrich Drepper | 351bf20 | 2009-01-15 20:18:40 -0800 | [diff] [blame] | 6067 | printf (" fde_count_enc: %#x ", fde_count_enc); |
Ulrich Drepper | bc29897 | 2009-01-16 11:50:10 -0800 | [diff] [blame] | 6068 | print_encoding_base ("", fde_count_enc); |
Ulrich Drepper | 351bf20 | 2009-01-15 20:18:40 -0800 | [diff] [blame] | 6069 | printf (" table_enc: %#x ", table_enc); |
Ulrich Drepper | bc29897 | 2009-01-16 11:50:10 -0800 | [diff] [blame] | 6070 | print_encoding_base ("", table_enc); |
Ulrich Drepper | 351bf20 | 2009-01-15 20:18:40 -0800 | [diff] [blame] | 6071 | |
| 6072 | uint64_t eh_frame_ptr = 0; |
| 6073 | if (eh_frame_ptr_enc != DW_EH_PE_omit) |
| 6074 | { |
| 6075 | readp = read_encoded (eh_frame_ptr_enc, readp, dataend, &eh_frame_ptr, |
| 6076 | dbg); |
| 6077 | if (unlikely (readp == NULL)) |
| 6078 | goto invalid_data; |
| 6079 | |
| 6080 | printf (" eh_frame_ptr: %#" PRIx64, eh_frame_ptr); |
| 6081 | if ((eh_frame_ptr_enc & 0x70) == DW_EH_PE_pcrel) |
| 6082 | printf (" (offset: %#" PRIx64 ")", |
| 6083 | /* +4 because of the 4 byte header of the section. */ |
| 6084 | (uint64_t) shdr->sh_offset + 4 + eh_frame_ptr); |
| 6085 | |
| 6086 | putchar_unlocked ('\n'); |
| 6087 | } |
| 6088 | |
| 6089 | uint64_t fde_count = 0; |
| 6090 | if (fde_count_enc != DW_EH_PE_omit) |
| 6091 | { |
| 6092 | readp = read_encoded (fde_count_enc, readp, dataend, &fde_count, dbg); |
| 6093 | if (unlikely (readp == NULL)) |
| 6094 | goto invalid_data; |
| 6095 | |
| 6096 | printf (" fde_count: %" PRIu64 "\n", fde_count); |
| 6097 | } |
| 6098 | |
| 6099 | if (fde_count == 0 || table_enc == DW_EH_PE_omit) |
| 6100 | return; |
| 6101 | |
| 6102 | puts (" Table:"); |
| 6103 | |
| 6104 | /* Optimize for the most common case. */ |
| 6105 | if (table_enc == (DW_EH_PE_datarel | DW_EH_PE_sdata4)) |
| 6106 | while (fde_count > 0 && readp + 8 <= dataend) |
| 6107 | { |
| 6108 | int32_t initial_location = read_4sbyte_unaligned_inc (dbg, readp); |
| 6109 | uint64_t initial_offset = ((uint64_t) shdr->sh_offset |
| 6110 | + (int64_t) initial_location); |
| 6111 | int32_t address = read_4sbyte_unaligned_inc (dbg, readp); |
| 6112 | // XXX Possibly print symbol name or section offset for initial_offset |
| 6113 | printf (" %#" PRIx32 " (offset: %#6" PRIx64 ") -> %#" PRIx32 |
| 6114 | " fde=[%6" PRIx64 "]\n", |
| 6115 | initial_location, initial_offset, |
| 6116 | address, address - (eh_frame_ptr + 4)); |
| 6117 | } |
| 6118 | else |
| 6119 | while (0 && readp < dataend) |
| 6120 | { |
| 6121 | |
| 6122 | } |
| 6123 | } |
| 6124 | |
| 6125 | |
Ulrich Drepper | b006fbf | 2009-01-16 03:08:25 -0800 | [diff] [blame] | 6126 | /* Print the content of the exception handling table section |
| 6127 | '.eh_frame_hdr'. */ |
| 6128 | static void |
| 6129 | print_debug_exception_table (Dwfl_Module *dwflmod __attribute__ ((unused)), |
| 6130 | Ebl *ebl __attribute__ ((unused)), |
| 6131 | GElf_Ehdr *ehdr __attribute__ ((unused)), |
Ulrich Drepper | 05d2b20 | 2009-01-16 17:58:54 -0800 | [diff] [blame] | 6132 | Elf_Scn *scn, |
Ulrich Drepper | b006fbf | 2009-01-16 03:08:25 -0800 | [diff] [blame] | 6133 | GElf_Shdr *shdr __attribute__ ((unused)), |
| 6134 | Dwarf *dbg __attribute__ ((unused))) |
| 6135 | { |
| 6136 | printf (gettext ("\ |
| 6137 | \nException handling table section [%2zu] '.gcc_except_table':\n"), |
| 6138 | elf_ndxscn (scn)); |
| 6139 | |
| 6140 | Elf_Data *data = elf_rawdata (scn, NULL); |
| 6141 | |
| 6142 | if (unlikely (data == NULL)) |
| 6143 | { |
| 6144 | error (0, 0, gettext ("cannot get %s content: %s"), |
| 6145 | ".gcc_except_table", elf_errmsg (-1)); |
| 6146 | return; |
| 6147 | } |
Ulrich Drepper | 05d2b20 | 2009-01-16 17:58:54 -0800 | [diff] [blame] | 6148 | |
| 6149 | const unsigned char *readp = data->d_buf; |
| 6150 | const unsigned char *const dataend = readp + data->d_size; |
| 6151 | |
| 6152 | if (unlikely (readp + 1 > dataend)) |
| 6153 | { |
| 6154 | invalid_data: |
| 6155 | error (0, 0, gettext ("invalid data")); |
| 6156 | return; |
| 6157 | } |
| 6158 | unsigned int lpstart_encoding = *readp++; |
| 6159 | printf (gettext (" LPStart encoding: %#x "), lpstart_encoding); |
| 6160 | print_encoding_base ("", lpstart_encoding); |
| 6161 | if (lpstart_encoding != DW_EH_PE_omit) |
| 6162 | { |
| 6163 | uint64_t lpstart; |
| 6164 | readp = read_encoded (lpstart_encoding, readp, dataend, &lpstart, dbg); |
| 6165 | printf (" LPStart: %#" PRIx64 "\n", lpstart); |
| 6166 | } |
| 6167 | |
| 6168 | if (unlikely (readp + 1 > dataend)) |
| 6169 | goto invalid_data; |
| 6170 | unsigned int ttype_encoding = *readp++; |
| 6171 | printf (gettext (" TType encoding: %#x "), ttype_encoding); |
| 6172 | print_encoding_base ("", ttype_encoding); |
| 6173 | const unsigned char *ttype_base = NULL; |
| 6174 | if (ttype_encoding != DW_EH_PE_omit) |
| 6175 | { |
| 6176 | unsigned int ttype_base_offset; |
| 6177 | get_uleb128 (ttype_base_offset, readp); |
| 6178 | printf (" TType base offset: %#x\n", ttype_base_offset); |
| 6179 | ttype_base = readp + ttype_base_offset; |
| 6180 | } |
| 6181 | |
| 6182 | if (unlikely (readp + 1 > dataend)) |
| 6183 | goto invalid_data; |
| 6184 | unsigned int call_site_encoding = *readp++; |
| 6185 | printf (gettext (" Call site encoding: %#x "), call_site_encoding); |
| 6186 | print_encoding_base ("", call_site_encoding); |
| 6187 | unsigned int call_site_table_len; |
| 6188 | get_uleb128 (call_site_table_len, readp); |
| 6189 | |
| 6190 | const unsigned char *const action_table = readp + call_site_table_len; |
| 6191 | if (unlikely (action_table > dataend)) |
| 6192 | goto invalid_data; |
| 6193 | unsigned int u = 0; |
| 6194 | unsigned int max_action = 0; |
| 6195 | while (readp < action_table) |
| 6196 | { |
| 6197 | if (u == 0) |
| 6198 | puts (gettext ("\n Call site table:")); |
| 6199 | |
| 6200 | uint64_t call_site_start; |
| 6201 | readp = read_encoded (call_site_encoding, readp, dataend, |
| 6202 | &call_site_start, dbg); |
| 6203 | uint64_t call_site_length; |
| 6204 | readp = read_encoded (call_site_encoding, readp, dataend, |
| 6205 | &call_site_length, dbg); |
| 6206 | uint64_t landing_pad; |
| 6207 | readp = read_encoded (call_site_encoding, readp, dataend, |
| 6208 | &landing_pad, dbg); |
| 6209 | unsigned int action; |
| 6210 | get_uleb128 (action, readp); |
| 6211 | max_action = MAX (action, max_action); |
| 6212 | printf (gettext (" [%4u] Call site start: %#" PRIx64 "\n" |
| 6213 | " Call site length: %" PRIu64 "\n" |
| 6214 | " Landing pad: %#" PRIx64 "\n" |
| 6215 | " Action: %u\n"), |
| 6216 | u++, call_site_start, call_site_length, landing_pad, action); |
| 6217 | } |
| 6218 | assert (readp == action_table); |
| 6219 | |
| 6220 | unsigned int max_ar_filter = 0; |
| 6221 | if (max_action > 0) |
| 6222 | { |
| 6223 | puts ("\n Action table:"); |
| 6224 | |
| 6225 | const unsigned char *const action_table_end |
| 6226 | = action_table + max_action + 1; |
| 6227 | |
| 6228 | u = 0; |
| 6229 | do |
| 6230 | { |
| 6231 | int ar_filter; |
| 6232 | get_sleb128 (ar_filter, readp); |
| 6233 | if (ar_filter > 0 && (unsigned int) ar_filter > max_ar_filter) |
| 6234 | max_ar_filter = ar_filter; |
| 6235 | int ar_disp; |
| 6236 | get_sleb128 (ar_disp, readp); |
| 6237 | |
Ulrich Drepper | 935edde | 2009-01-17 16:06:42 -0800 | [diff] [blame] | 6238 | printf (" [%4u] ar_filter: % d\n" |
| 6239 | " ar_disp: % -5d", |
| 6240 | u, ar_filter, ar_disp); |
| 6241 | if (abs (ar_disp) & 1) |
| 6242 | printf (" -> [%4u]\n", u + (ar_disp + 1) / 2); |
| 6243 | else if (ar_disp != 0) |
| 6244 | puts (" -> ???"); |
| 6245 | else |
| 6246 | putchar_unlocked ('\n'); |
| 6247 | ++u; |
Ulrich Drepper | 05d2b20 | 2009-01-16 17:58:54 -0800 | [diff] [blame] | 6248 | } |
| 6249 | while (readp < action_table_end); |
| 6250 | } |
| 6251 | |
| 6252 | if (max_ar_filter > 0) |
| 6253 | { |
| 6254 | puts ("\n TType table:"); |
| 6255 | |
| 6256 | // XXX Not *4, size of encoding; |
| 6257 | switch (ttype_encoding & 7) |
| 6258 | { |
| 6259 | case DW_EH_PE_udata2: |
| 6260 | case DW_EH_PE_sdata2: |
| 6261 | readp = ttype_base - max_ar_filter * 2; |
| 6262 | break; |
| 6263 | case DW_EH_PE_udata4: |
| 6264 | case DW_EH_PE_sdata4: |
| 6265 | readp = ttype_base - max_ar_filter * 4; |
| 6266 | break; |
| 6267 | case DW_EH_PE_udata8: |
| 6268 | case DW_EH_PE_sdata8: |
| 6269 | readp = ttype_base - max_ar_filter * 8; |
| 6270 | break; |
| 6271 | default: |
| 6272 | error (1, 0, gettext ("invalid TType encoding")); |
| 6273 | } |
| 6274 | |
| 6275 | do |
| 6276 | { |
| 6277 | uint64_t ttype; |
| 6278 | readp = read_encoded (ttype_encoding, readp, ttype_base, &ttype, |
| 6279 | dbg); |
| 6280 | printf (" [%4u] %#" PRIx64 "\n", max_ar_filter--, ttype); |
| 6281 | } |
| 6282 | while (readp < ttype_base); |
| 6283 | } |
Ulrich Drepper | b006fbf | 2009-01-16 03:08:25 -0800 | [diff] [blame] | 6284 | } |
| 6285 | |
| 6286 | |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 6287 | static void |
Ulrich Drepper | b597dfa | 2007-10-16 05:21:27 +0000 | [diff] [blame] | 6288 | print_debug (Dwfl_Module *dwflmod, Ebl *ebl, GElf_Ehdr *ehdr) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 6289 | { |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 6290 | /* Before we start the real work get a debug context descriptor. */ |
Ulrich Drepper | b597dfa | 2007-10-16 05:21:27 +0000 | [diff] [blame] | 6291 | Dwarf_Addr dwbias; |
| 6292 | Dwarf *dbg = dwfl_module_getdwarf (dwflmod, &dwbias); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 6293 | if (dbg == NULL) |
| 6294 | { |
| 6295 | error (0, 0, gettext ("cannot get debug context descriptor: %s"), |
Ulrich Drepper | b597dfa | 2007-10-16 05:21:27 +0000 | [diff] [blame] | 6296 | dwfl_errmsg (-1)); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 6297 | return; |
| 6298 | } |
| 6299 | |
| 6300 | /* Get the section header string table index. */ |
Ulrich Drepper | b597dfa | 2007-10-16 05:21:27 +0000 | [diff] [blame] | 6301 | size_t shstrndx; |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 6302 | if (unlikely (elf_getshstrndx (ebl->elf, &shstrndx) < 0)) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 6303 | error (EXIT_FAILURE, 0, |
| 6304 | gettext ("cannot get section header string table index")); |
| 6305 | |
Ulrich Drepper | b597dfa | 2007-10-16 05:21:27 +0000 | [diff] [blame] | 6306 | /* Look through all the sections for the debugging sections to print. */ |
| 6307 | Elf_Scn *scn = NULL; |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 6308 | while ((scn = elf_nextscn (ebl->elf, scn)) != NULL) |
| 6309 | { |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 6310 | GElf_Shdr shdr_mem; |
| 6311 | GElf_Shdr *shdr = gelf_getshdr (scn, &shdr_mem); |
| 6312 | |
Ulrich Drepper | 903c116 | 2007-02-15 19:40:37 +0000 | [diff] [blame] | 6313 | if (shdr != NULL && shdr->sh_type == SHT_PROGBITS) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 6314 | { |
| 6315 | static const struct |
| 6316 | { |
| 6317 | const char *name; |
| 6318 | enum section_e bitmask; |
Ulrich Drepper | b597dfa | 2007-10-16 05:21:27 +0000 | [diff] [blame] | 6319 | void (*fp) (Dwfl_Module *, Ebl *, |
| 6320 | GElf_Ehdr *, Elf_Scn *, GElf_Shdr *, Dwarf *); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 6321 | } debug_sections[] = |
| 6322 | { |
| 6323 | #define NEW_SECTION(name) \ |
| 6324 | { ".debug_" #name, section_##name, print_debug_##name##_section } |
| 6325 | NEW_SECTION (abbrev), |
| 6326 | NEW_SECTION (aranges), |
| 6327 | NEW_SECTION (frame), |
| 6328 | NEW_SECTION (info), |
| 6329 | NEW_SECTION (line), |
| 6330 | NEW_SECTION (loc), |
| 6331 | NEW_SECTION (pubnames), |
| 6332 | NEW_SECTION (str), |
| 6333 | NEW_SECTION (macinfo), |
| 6334 | NEW_SECTION (ranges), |
Ulrich Drepper | b006fbf | 2009-01-16 03:08:25 -0800 | [diff] [blame] | 6335 | { ".eh_frame", section_frame | section_exception, |
| 6336 | print_debug_frame_section }, |
| 6337 | { ".eh_frame_hdr", section_frame | section_exception, |
| 6338 | print_debug_frame_hdr_section }, |
| 6339 | { ".gcc_except_table", section_frame | section_exception, |
| 6340 | print_debug_exception_table } |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 6341 | }; |
| 6342 | const int ndebug_sections = (sizeof (debug_sections) |
| 6343 | / sizeof (debug_sections[0])); |
| 6344 | const char *name = elf_strptr (ebl->elf, shstrndx, |
| 6345 | shdr->sh_name); |
| 6346 | int n; |
| 6347 | |
| 6348 | for (n = 0; n < ndebug_sections; ++n) |
| 6349 | if (strcmp (name, debug_sections[n].name) == 0) |
| 6350 | { |
| 6351 | if (print_debug_sections & debug_sections[n].bitmask) |
Ulrich Drepper | b597dfa | 2007-10-16 05:21:27 +0000 | [diff] [blame] | 6352 | debug_sections[n].fp (dwflmod, ebl, ehdr, scn, shdr, dbg); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 6353 | break; |
| 6354 | } |
| 6355 | } |
| 6356 | } |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 6357 | } |
| 6358 | |
| 6359 | |
Roland McGrath | cb6d865 | 2007-08-23 08:10:54 +0000 | [diff] [blame] | 6360 | #define ITEM_INDENT 4 |
| 6361 | #define ITEM_WRAP_COLUMN 150 |
| 6362 | #define REGISTER_WRAP_COLUMN 75 |
| 6363 | |
| 6364 | /* Print "NAME: FORMAT", wrapping when FORMAT_MAX chars of FORMAT would |
| 6365 | make the line exceed ITEM_WRAP_COLUMN. Unpadded numbers look better |
| 6366 | for the core items. But we do not want the line breaks to depend on |
| 6367 | the particular values. */ |
| 6368 | static unsigned int |
| 6369 | __attribute__ ((format (printf, 7, 8))) |
| 6370 | print_core_item (unsigned int colno, char sep, unsigned int wrap, |
| 6371 | size_t name_width, const char *name, |
| 6372 | size_t format_max, const char *format, ...) |
| 6373 | { |
| 6374 | size_t len = strlen (name); |
| 6375 | if (name_width < len) |
| 6376 | name_width = len; |
| 6377 | |
| 6378 | size_t n = name_width + sizeof ": " - 1 + format_max; |
| 6379 | |
| 6380 | if (colno == 0) |
| 6381 | { |
| 6382 | printf ("%*s", ITEM_INDENT, ""); |
| 6383 | colno = ITEM_INDENT + n; |
| 6384 | } |
| 6385 | else if (colno + 2 + n < wrap) |
| 6386 | { |
| 6387 | printf ("%c ", sep); |
| 6388 | colno += 2 + n; |
| 6389 | } |
| 6390 | else |
| 6391 | { |
| 6392 | printf ("\n%*s", ITEM_INDENT, ""); |
| 6393 | colno = ITEM_INDENT + n; |
| 6394 | } |
| 6395 | |
| 6396 | printf ("%s: %*s", name, (int) (name_width - len), ""); |
| 6397 | |
| 6398 | va_list ap; |
| 6399 | va_start (ap, format); |
| 6400 | vprintf (format, ap); |
| 6401 | va_end (ap); |
| 6402 | |
| 6403 | return colno; |
| 6404 | } |
| 6405 | |
| 6406 | static const void * |
| 6407 | convert (Elf *core, Elf_Type type, uint_fast16_t count, |
Roland McGrath | 1d8bb25 | 2008-08-07 08:39:41 +0000 | [diff] [blame] | 6408 | void *value, const void *data, size_t size) |
Roland McGrath | cb6d865 | 2007-08-23 08:10:54 +0000 | [diff] [blame] | 6409 | { |
| 6410 | Elf_Data valuedata = |
| 6411 | { |
| 6412 | .d_type = type, |
| 6413 | .d_buf = value, |
Roland McGrath | 1d8bb25 | 2008-08-07 08:39:41 +0000 | [diff] [blame] | 6414 | .d_size = size ?: gelf_fsize (core, type, count, EV_CURRENT), |
Roland McGrath | cb6d865 | 2007-08-23 08:10:54 +0000 | [diff] [blame] | 6415 | .d_version = EV_CURRENT, |
| 6416 | }; |
| 6417 | Elf_Data indata = |
| 6418 | { |
| 6419 | .d_type = type, |
| 6420 | .d_buf = (void *) data, |
| 6421 | .d_size = valuedata.d_size, |
| 6422 | .d_version = EV_CURRENT, |
| 6423 | }; |
| 6424 | |
| 6425 | Elf_Data *d = (gelf_getclass (core) == ELFCLASS32 |
| 6426 | ? elf32_xlatetom : elf64_xlatetom) |
| 6427 | (&valuedata, &indata, elf_getident (core, NULL)[EI_DATA]); |
| 6428 | if (d == NULL) |
| 6429 | error (EXIT_FAILURE, 0, |
| 6430 | gettext ("cannot convert core note data: %s"), elf_errmsg (-1)); |
| 6431 | |
| 6432 | return data + indata.d_size; |
| 6433 | } |
| 6434 | |
| 6435 | typedef uint8_t GElf_Byte; |
| 6436 | |
| 6437 | static unsigned int |
| 6438 | handle_core_item (Elf *core, const Ebl_Core_Item *item, const void *desc, |
Roland McGrath | 1d8bb25 | 2008-08-07 08:39:41 +0000 | [diff] [blame] | 6439 | unsigned int colno, size_t *repeated_size) |
Roland McGrath | cb6d865 | 2007-08-23 08:10:54 +0000 | [diff] [blame] | 6440 | { |
| 6441 | uint_fast16_t count = item->count ?: 1; |
| 6442 | |
| 6443 | #define TYPES \ |
| 6444 | DO_TYPE (BYTE, Byte, "0x%.2" PRIx8, "%" PRId8, 4); \ |
| 6445 | DO_TYPE (HALF, Half, "0x%.4" PRIx16, "%" PRId16, 6); \ |
| 6446 | DO_TYPE (WORD, Word, "0x%.8" PRIx32, "%" PRId32, 11); \ |
| 6447 | DO_TYPE (SWORD, Sword, "%" PRId32, "%" PRId32, 11); \ |
| 6448 | DO_TYPE (XWORD, Xword, "0x%.16" PRIx64, "%" PRId64, 20); \ |
| 6449 | DO_TYPE (SXWORD, Sxword, "%" PRId64, "%" PRId64, 20) |
| 6450 | |
| 6451 | #define DO_TYPE(NAME, Name, hex, dec, max) GElf_##Name Name[count] |
| 6452 | union { TYPES; } value; |
| 6453 | #undef DO_TYPE |
| 6454 | |
Roland McGrath | 1d8bb25 | 2008-08-07 08:39:41 +0000 | [diff] [blame] | 6455 | void *data = &value; |
| 6456 | size_t size = gelf_fsize (core, item->type, count, EV_CURRENT); |
| 6457 | size_t convsize = size; |
| 6458 | if (repeated_size != NULL) |
| 6459 | { |
| 6460 | if (*repeated_size > size && (item->format == 'b' || item->format == 'B')) |
| 6461 | { |
| 6462 | data = alloca (*repeated_size); |
| 6463 | count *= *repeated_size / size; |
| 6464 | convsize = count * size; |
| 6465 | *repeated_size -= convsize; |
| 6466 | } |
| 6467 | else |
| 6468 | *repeated_size -= size; |
| 6469 | } |
| 6470 | |
| 6471 | desc = convert (core, item->type, count, data, desc + item->offset, convsize); |
| 6472 | |
| 6473 | Elf_Type type = item->type; |
| 6474 | if (type == ELF_T_ADDR) |
| 6475 | type = gelf_getclass (core) == ELFCLASS32 ? ELF_T_WORD : ELF_T_XWORD; |
Roland McGrath | cb6d865 | 2007-08-23 08:10:54 +0000 | [diff] [blame] | 6476 | |
| 6477 | switch (item->format) |
| 6478 | { |
| 6479 | case 'd': |
| 6480 | assert (count == 1); |
Roland McGrath | 1d8bb25 | 2008-08-07 08:39:41 +0000 | [diff] [blame] | 6481 | switch (type) |
Roland McGrath | cb6d865 | 2007-08-23 08:10:54 +0000 | [diff] [blame] | 6482 | { |
| 6483 | #define DO_TYPE(NAME, Name, hex, dec, max) \ |
| 6484 | case ELF_T_##NAME: \ |
| 6485 | colno = print_core_item (colno, ',', ITEM_WRAP_COLUMN, \ |
| 6486 | 0, item->name, max, dec, value.Name[0]); \ |
| 6487 | break |
| 6488 | TYPES; |
| 6489 | #undef DO_TYPE |
| 6490 | default: |
| 6491 | abort (); |
| 6492 | } |
| 6493 | break; |
| 6494 | |
| 6495 | case 'x': |
| 6496 | assert (count == 1); |
Roland McGrath | 1d8bb25 | 2008-08-07 08:39:41 +0000 | [diff] [blame] | 6497 | switch (type) |
Roland McGrath | cb6d865 | 2007-08-23 08:10:54 +0000 | [diff] [blame] | 6498 | { |
| 6499 | #define DO_TYPE(NAME, Name, hex, dec, max) \ |
| 6500 | case ELF_T_##NAME: \ |
| 6501 | colno = print_core_item (colno, ',', ITEM_WRAP_COLUMN, \ |
| 6502 | 0, item->name, max, hex, value.Name[0]); \ |
| 6503 | break |
| 6504 | TYPES; |
| 6505 | #undef DO_TYPE |
| 6506 | default: |
| 6507 | abort (); |
| 6508 | } |
| 6509 | break; |
| 6510 | |
| 6511 | case 'b': |
Roland McGrath | 1d8bb25 | 2008-08-07 08:39:41 +0000 | [diff] [blame] | 6512 | case 'B': |
| 6513 | assert (size % sizeof (unsigned int) == 0); |
| 6514 | unsigned int nbits = count * size * 8; |
| 6515 | unsigned int pop = 0; |
| 6516 | for (const unsigned int *i = data; (void *) i < data + count * size; ++i) |
| 6517 | pop += __builtin_popcount (*i); |
| 6518 | bool negate = pop > nbits / 2; |
| 6519 | const unsigned int bias = item->format == 'b'; |
| 6520 | |
| 6521 | { |
| 6522 | char printed[(negate ? nbits - pop : pop) * 16]; |
| 6523 | char *p = printed; |
| 6524 | *p = '\0'; |
| 6525 | |
| 6526 | if (BYTE_ORDER != LITTLE_ENDIAN && size > sizeof (unsigned int)) |
| 6527 | { |
| 6528 | assert (size == sizeof (unsigned int) * 2); |
| 6529 | for (unsigned int *i = data; |
| 6530 | (void *) i < data + count * size; i += 2) |
| 6531 | { |
| 6532 | unsigned int w = i[1]; |
| 6533 | i[1] = i[0]; |
| 6534 | i[0] = w; |
| 6535 | } |
| 6536 | } |
| 6537 | |
| 6538 | unsigned int lastbit = 0; |
| 6539 | for (const unsigned int *i = data; |
| 6540 | (void *) i < data + count * size; ++i) |
| 6541 | { |
| 6542 | unsigned int bit = ((void *) i - data) * 8; |
| 6543 | unsigned int w = negate ? ~*i : *i; |
| 6544 | while (w != 0) |
| 6545 | { |
| 6546 | int n = ffs (w); |
| 6547 | w >>= n; |
| 6548 | bit += n; |
| 6549 | |
| 6550 | if (lastbit + 1 != bit) |
| 6551 | p += sprintf (p, "-%u,%u", lastbit - bias, bit - bias); |
| 6552 | else if (lastbit == 0) |
| 6553 | p += sprintf (p, "%u", bit - bias); |
| 6554 | |
| 6555 | lastbit = bit; |
| 6556 | } |
| 6557 | } |
| 6558 | if (lastbit > 0 && lastbit + 1 != nbits) |
| 6559 | p += sprintf (p, "-%u", nbits - bias); |
| 6560 | |
| 6561 | colno = print_core_item (colno, ',', ITEM_WRAP_COLUMN, 0, item->name, |
| 6562 | 4 + nbits * 4, |
| 6563 | negate ? "~<%s>" : "<%s>", printed); |
| 6564 | } |
Roland McGrath | cb6d865 | 2007-08-23 08:10:54 +0000 | [diff] [blame] | 6565 | break; |
| 6566 | |
| 6567 | case 'T': |
Ulrich Drepper | b597dfa | 2007-10-16 05:21:27 +0000 | [diff] [blame] | 6568 | case (char) ('T'|0x80): |
Roland McGrath | cb6d865 | 2007-08-23 08:10:54 +0000 | [diff] [blame] | 6569 | assert (count == 2); |
| 6570 | Dwarf_Word sec; |
| 6571 | Dwarf_Word usec; |
| 6572 | size_t maxfmt = 7; |
Roland McGrath | 1d8bb25 | 2008-08-07 08:39:41 +0000 | [diff] [blame] | 6573 | switch (type) |
Roland McGrath | cb6d865 | 2007-08-23 08:10:54 +0000 | [diff] [blame] | 6574 | { |
| 6575 | #define DO_TYPE(NAME, Name, hex, dec, max) \ |
| 6576 | case ELF_T_##NAME: \ |
| 6577 | sec = value.Name[0]; \ |
| 6578 | usec = value.Name[1]; \ |
| 6579 | maxfmt += max; \ |
| 6580 | break |
| 6581 | TYPES; |
| 6582 | #undef DO_TYPE |
| 6583 | default: |
| 6584 | abort (); |
| 6585 | } |
Ulrich Drepper | b597dfa | 2007-10-16 05:21:27 +0000 | [diff] [blame] | 6586 | if (unlikely (item->format == (char) ('T'|0x80))) |
| 6587 | { |
| 6588 | /* This is a hack for an ill-considered 64-bit ABI where |
| 6589 | tv_usec is actually a 32-bit field with 32 bits of padding |
| 6590 | rounding out struct timeval. We've already converted it as |
| 6591 | a 64-bit field. For little-endian, this just means the |
| 6592 | high half is the padding; it's presumably zero, but should |
| 6593 | be ignored anyway. For big-endian, it means the 32-bit |
| 6594 | field went into the high half of USEC. */ |
| 6595 | GElf_Ehdr ehdr_mem; |
| 6596 | GElf_Ehdr *ehdr = gelf_getehdr (core, &ehdr_mem); |
| 6597 | if (likely (ehdr->e_ident[EI_DATA] == ELFDATA2MSB)) |
| 6598 | usec >>= 32; |
| 6599 | else |
| 6600 | usec &= UINT32_MAX; |
| 6601 | } |
Roland McGrath | cb6d865 | 2007-08-23 08:10:54 +0000 | [diff] [blame] | 6602 | colno = print_core_item (colno, ',', ITEM_WRAP_COLUMN, 0, item->name, |
| 6603 | maxfmt, "%" PRIu64 ".%.6" PRIu64, sec, usec); |
| 6604 | break; |
| 6605 | |
| 6606 | case 'c': |
| 6607 | assert (count == 1); |
| 6608 | colno = print_core_item (colno, ',', ITEM_WRAP_COLUMN, 0, item->name, |
| 6609 | 1, "%c", value.Byte[0]); |
| 6610 | break; |
| 6611 | |
| 6612 | case 's': |
| 6613 | colno = print_core_item (colno, ',', ITEM_WRAP_COLUMN, 0, item->name, |
| 6614 | count, "%.*s", (int) count, value.Byte); |
| 6615 | break; |
| 6616 | |
| 6617 | default: |
| 6618 | error (0, 0, "XXX not handling format '%c' for %s", |
| 6619 | item->format, item->name); |
| 6620 | break; |
| 6621 | } |
| 6622 | |
| 6623 | #undef TYPES |
| 6624 | |
| 6625 | return colno; |
| 6626 | } |
| 6627 | |
| 6628 | |
| 6629 | /* Sort items by group, and by layout offset within each group. */ |
| 6630 | static int |
| 6631 | compare_core_items (const void *a, const void *b) |
| 6632 | { |
| 6633 | const Ebl_Core_Item *const *p1 = a; |
| 6634 | const Ebl_Core_Item *const *p2 = b; |
| 6635 | const Ebl_Core_Item *item1 = *p1; |
| 6636 | const Ebl_Core_Item *item2 = *p2; |
| 6637 | |
| 6638 | return ((item1->group == item2->group ? 0 |
| 6639 | : strcmp (item1->group, item2->group)) |
| 6640 | ?: (int) item1->offset - (int) item2->offset); |
| 6641 | } |
| 6642 | |
| 6643 | /* Sort item groups by layout offset of the first item in the group. */ |
| 6644 | static int |
| 6645 | compare_core_item_groups (const void *a, const void *b) |
| 6646 | { |
| 6647 | const Ebl_Core_Item *const *const *p1 = a; |
| 6648 | const Ebl_Core_Item *const *const *p2 = b; |
| 6649 | const Ebl_Core_Item *const *group1 = *p1; |
| 6650 | const Ebl_Core_Item *const *group2 = *p2; |
| 6651 | const Ebl_Core_Item *item1 = *group1; |
| 6652 | const Ebl_Core_Item *item2 = *group2; |
| 6653 | |
| 6654 | return (int) item1->offset - (int) item2->offset; |
| 6655 | } |
| 6656 | |
| 6657 | static unsigned int |
Roland McGrath | 059c83e | 2008-02-21 06:19:39 +0000 | [diff] [blame] | 6658 | handle_core_items (Elf *core, const void *desc, size_t descsz, |
Roland McGrath | cb6d865 | 2007-08-23 08:10:54 +0000 | [diff] [blame] | 6659 | const Ebl_Core_Item *items, size_t nitems) |
| 6660 | { |
| 6661 | if (nitems == 0) |
| 6662 | return 0; |
| 6663 | |
| 6664 | /* Sort to collect the groups together. */ |
| 6665 | const Ebl_Core_Item *sorted_items[nitems]; |
| 6666 | for (size_t i = 0; i < nitems; ++i) |
| 6667 | sorted_items[i] = &items[i]; |
| 6668 | qsort (sorted_items, nitems, sizeof sorted_items[0], &compare_core_items); |
| 6669 | |
| 6670 | /* Collect the unique groups and sort them. */ |
| 6671 | const Ebl_Core_Item **groups[nitems]; |
| 6672 | groups[0] = &sorted_items[0]; |
| 6673 | size_t ngroups = 1; |
| 6674 | for (size_t i = 1; i < nitems; ++i) |
| 6675 | if (sorted_items[i]->group != sorted_items[i - 1]->group |
| 6676 | && strcmp (sorted_items[i]->group, sorted_items[i - 1]->group)) |
| 6677 | groups[ngroups++] = &sorted_items[i]; |
| 6678 | qsort (groups, ngroups, sizeof groups[0], &compare_core_item_groups); |
| 6679 | |
| 6680 | /* Write out all the groups. */ |
| 6681 | unsigned int colno = 0; |
Roland McGrath | cb6d865 | 2007-08-23 08:10:54 +0000 | [diff] [blame] | 6682 | |
Roland McGrath | 1d8bb25 | 2008-08-07 08:39:41 +0000 | [diff] [blame] | 6683 | const void *last = desc; |
| 6684 | if (nitems == 1) |
| 6685 | { |
| 6686 | size_t size = descsz; |
| 6687 | colno = handle_core_item (core, sorted_items[0], desc, colno, &size); |
| 6688 | if (size == 0) |
| 6689 | return colno; |
| 6690 | desc += descsz - size; |
| 6691 | descsz = size; |
| 6692 | } |
| 6693 | |
Roland McGrath | 059c83e | 2008-02-21 06:19:39 +0000 | [diff] [blame] | 6694 | do |
| 6695 | { |
| 6696 | for (size_t i = 0; i < ngroups; ++i) |
| 6697 | { |
| 6698 | for (const Ebl_Core_Item **item = groups[i]; |
| 6699 | (item < &sorted_items[nitems] |
| 6700 | && ((*item)->group == groups[i][0]->group |
| 6701 | || !strcmp ((*item)->group, groups[i][0]->group))); |
| 6702 | ++item) |
Roland McGrath | 1d8bb25 | 2008-08-07 08:39:41 +0000 | [diff] [blame] | 6703 | colno = handle_core_item (core, *item, desc, colno, NULL); |
Roland McGrath | 059c83e | 2008-02-21 06:19:39 +0000 | [diff] [blame] | 6704 | |
| 6705 | /* Force a line break at the end of the group. */ |
| 6706 | colno = ITEM_WRAP_COLUMN; |
| 6707 | } |
| 6708 | |
| 6709 | if (descsz == 0) |
| 6710 | break; |
| 6711 | |
| 6712 | /* This set of items consumed a certain amount of the note's data. |
| 6713 | If there is more data there, we have another unit of the same size. |
| 6714 | Loop to print that out too. */ |
| 6715 | const Ebl_Core_Item *item = &items[nitems - 1]; |
| 6716 | size_t eltsz = item->offset + gelf_fsize (core, item->type, |
| 6717 | item->count ?: 1, EV_CURRENT); |
Roland McGrath | 1d8bb25 | 2008-08-07 08:39:41 +0000 | [diff] [blame] | 6718 | |
| 6719 | int reps = -1; |
| 6720 | do |
| 6721 | { |
| 6722 | ++reps; |
| 6723 | desc += eltsz; |
| 6724 | descsz -= eltsz; |
| 6725 | } |
| 6726 | while (descsz >= eltsz && !memcmp (desc, last, eltsz)); |
| 6727 | |
| 6728 | if (reps == 1) |
| 6729 | { |
| 6730 | /* For just one repeat, print it unabridged twice. */ |
| 6731 | desc -= eltsz; |
| 6732 | descsz += eltsz; |
| 6733 | } |
| 6734 | else if (reps > 1) |
| 6735 | printf (gettext ("\n%*s... <repeats %u more times> ..."), |
| 6736 | ITEM_INDENT, "", reps); |
| 6737 | |
| 6738 | last = desc; |
Roland McGrath | cb6d865 | 2007-08-23 08:10:54 +0000 | [diff] [blame] | 6739 | } |
Roland McGrath | 059c83e | 2008-02-21 06:19:39 +0000 | [diff] [blame] | 6740 | while (descsz > 0); |
Roland McGrath | cb6d865 | 2007-08-23 08:10:54 +0000 | [diff] [blame] | 6741 | |
| 6742 | return colno; |
| 6743 | } |
| 6744 | |
| 6745 | static unsigned int |
| 6746 | handle_bit_registers (const Ebl_Register_Location *regloc, const void *desc, |
| 6747 | unsigned int colno) |
| 6748 | { |
| 6749 | desc += regloc->offset; |
| 6750 | |
| 6751 | abort (); /* XXX */ |
| 6752 | return colno; |
| 6753 | } |
| 6754 | |
| 6755 | |
| 6756 | static unsigned int |
| 6757 | handle_core_register (Ebl *ebl, Elf *core, int maxregname, |
| 6758 | const Ebl_Register_Location *regloc, const void *desc, |
| 6759 | unsigned int colno) |
| 6760 | { |
| 6761 | if (regloc->bits % 8 != 0) |
| 6762 | return handle_bit_registers (regloc, desc, colno); |
| 6763 | |
| 6764 | desc += regloc->offset; |
| 6765 | |
| 6766 | for (int reg = regloc->regno; reg < regloc->regno + regloc->count; ++reg) |
| 6767 | { |
| 6768 | const char *pfx; |
| 6769 | const char *set; |
| 6770 | char name[16]; |
| 6771 | int bits; |
| 6772 | int type; |
| 6773 | ssize_t n = ebl_register_info (ebl, reg, name, sizeof name, |
| 6774 | &pfx, &set, &bits, &type); |
| 6775 | if (n <= 0) |
| 6776 | error (EXIT_FAILURE, 0, |
| 6777 | gettext ("unable to handle register number %d"), |
| 6778 | regloc->regno); |
| 6779 | |
| 6780 | #define TYPES \ |
| 6781 | BITS (8, BYTE, "%4" PRId8, "0x%.2" PRIx8, 4); \ |
| 6782 | BITS (16, HALF, "%6" PRId16, "0x%.4" PRIx16, 6); \ |
| 6783 | BITS (32, WORD, "%11" PRId32, " 0x%.8" PRIx32, 11); \ |
| 6784 | BITS (64, XWORD, "%20" PRId64, " 0x%.16" PRIx64, 20) |
| 6785 | |
| 6786 | #define BITS(bits, xtype, sfmt, ufmt, max) \ |
| 6787 | uint##bits##_t b##bits; int##bits##_t b##bits##s |
| 6788 | union { TYPES; uint64_t b128[2]; } value; |
| 6789 | #undef BITS |
| 6790 | |
| 6791 | switch (type) |
| 6792 | { |
| 6793 | case DW_ATE_unsigned: |
| 6794 | case DW_ATE_signed: |
| 6795 | case DW_ATE_address: |
| 6796 | switch (bits) |
| 6797 | { |
| 6798 | #define BITS(bits, xtype, sfmt, ufmt, max) \ |
| 6799 | case bits: \ |
Roland McGrath | 1d8bb25 | 2008-08-07 08:39:41 +0000 | [diff] [blame] | 6800 | desc = convert (core, ELF_T_##xtype, 1, &value, desc, 0); \ |
Roland McGrath | cb6d865 | 2007-08-23 08:10:54 +0000 | [diff] [blame] | 6801 | if (type == DW_ATE_signed) \ |
| 6802 | colno = print_core_item (colno, ' ', REGISTER_WRAP_COLUMN, \ |
| 6803 | maxregname, name, \ |
| 6804 | max, sfmt, value.b##bits##s); \ |
| 6805 | else \ |
| 6806 | colno = print_core_item (colno, ' ', REGISTER_WRAP_COLUMN, \ |
| 6807 | maxregname, name, \ |
| 6808 | max, ufmt, value.b##bits); \ |
| 6809 | break |
| 6810 | |
| 6811 | TYPES; |
| 6812 | |
| 6813 | case 128: |
| 6814 | assert (type == DW_ATE_unsigned); |
Roland McGrath | 1d8bb25 | 2008-08-07 08:39:41 +0000 | [diff] [blame] | 6815 | desc = convert (core, ELF_T_XWORD, 2, &value, desc, 0); |
Roland McGrath | cb6d865 | 2007-08-23 08:10:54 +0000 | [diff] [blame] | 6816 | int be = elf_getident (core, NULL)[EI_DATA] == ELFDATA2MSB; |
| 6817 | colno = print_core_item (colno, ' ', REGISTER_WRAP_COLUMN, |
| 6818 | maxregname, name, |
| 6819 | 34, "0x%.16" PRIx64 "%.16" PRIx64, |
| 6820 | value.b128[!be], value.b128[be]); |
| 6821 | break; |
| 6822 | |
| 6823 | default: |
| 6824 | abort (); |
| 6825 | #undef BITS |
| 6826 | } |
| 6827 | break; |
| 6828 | |
| 6829 | default: |
| 6830 | /* Print each byte in hex, the whole thing in native byte order. */ |
| 6831 | assert (bits % 8 == 0); |
| 6832 | const uint8_t *bytes = desc; |
| 6833 | desc += bits / 8; |
| 6834 | char hex[bits / 4 + 1]; |
| 6835 | hex[bits / 4] = '\0'; |
| 6836 | int incr = 1; |
| 6837 | if (elf_getident (core, NULL)[EI_DATA] == ELFDATA2LSB) |
| 6838 | { |
| 6839 | bytes += bits / 8 - 1; |
| 6840 | incr = -1; |
| 6841 | } |
| 6842 | size_t idx = 0; |
| 6843 | for (char *h = hex; bits > 0; bits -= 8, idx += incr) |
| 6844 | { |
| 6845 | *h++ = "0123456789abcdef"[bytes[idx] >> 4]; |
| 6846 | *h++ = "0123456789abcdef"[bytes[idx] & 0xf]; |
| 6847 | } |
| 6848 | colno = print_core_item (colno, ' ', REGISTER_WRAP_COLUMN, |
| 6849 | maxregname, name, |
| 6850 | 2 + sizeof hex - 1, "0x%s", hex); |
| 6851 | break; |
| 6852 | } |
| 6853 | desc += regloc->pad; |
| 6854 | |
| 6855 | #undef TYPES |
| 6856 | } |
| 6857 | |
| 6858 | return colno; |
| 6859 | } |
| 6860 | |
| 6861 | |
| 6862 | struct register_info |
| 6863 | { |
| 6864 | const Ebl_Register_Location *regloc; |
| 6865 | const char *set; |
| 6866 | char name[16]; |
| 6867 | Dwarf_Half regno; |
| 6868 | uint8_t bits; |
| 6869 | uint8_t type; |
| 6870 | }; |
| 6871 | |
| 6872 | static int |
| 6873 | register_bitpos (const struct register_info *r) |
| 6874 | { |
| 6875 | return (r->regloc->offset * 8 |
| 6876 | + ((r->regno - r->regloc->regno) |
| 6877 | * (r->regloc->bits + r->regloc->pad * 8))); |
| 6878 | } |
| 6879 | |
| 6880 | static int |
| 6881 | compare_sets_by_info (const struct register_info *r1, |
| 6882 | const struct register_info *r2) |
| 6883 | { |
| 6884 | return ((int) r2->bits - (int) r1->bits |
| 6885 | ?: register_bitpos (r1) - register_bitpos (r2)); |
| 6886 | } |
| 6887 | |
| 6888 | /* Sort registers by set, and by size and layout offset within each set. */ |
| 6889 | static int |
| 6890 | compare_registers (const void *a, const void *b) |
| 6891 | { |
| 6892 | const struct register_info *r1 = a; |
| 6893 | const struct register_info *r2 = b; |
| 6894 | |
| 6895 | /* Unused elements sort last. */ |
| 6896 | if (r1->regloc == NULL) |
| 6897 | return r2->regloc == NULL ? 0 : 1; |
| 6898 | if (r2->regloc == NULL) |
| 6899 | return -1; |
| 6900 | |
| 6901 | return ((r1->set == r2->set ? 0 : strcmp (r1->set, r2->set)) |
| 6902 | ?: compare_sets_by_info (r1, r2)); |
| 6903 | } |
| 6904 | |
| 6905 | /* Sort register sets by layout offset of the first register in the set. */ |
| 6906 | static int |
| 6907 | compare_register_sets (const void *a, const void *b) |
| 6908 | { |
| 6909 | const struct register_info *const *p1 = a; |
| 6910 | const struct register_info *const *p2 = b; |
| 6911 | return compare_sets_by_info (*p1, *p2); |
| 6912 | } |
| 6913 | |
| 6914 | static unsigned int |
| 6915 | handle_core_registers (Ebl *ebl, Elf *core, const void *desc, |
| 6916 | const Ebl_Register_Location *reglocs, size_t nregloc) |
| 6917 | { |
| 6918 | if (nregloc == 0) |
| 6919 | return 0; |
| 6920 | |
| 6921 | ssize_t maxnreg = ebl_register_info (ebl, 0, NULL, 0, NULL, NULL, NULL, NULL); |
| 6922 | if (maxnreg <= 0) |
| 6923 | error (EXIT_FAILURE, 0, |
| 6924 | gettext ("cannot register info: %s"), elf_errmsg (-1)); |
| 6925 | |
| 6926 | struct register_info regs[maxnreg]; |
| 6927 | memset (regs, 0, sizeof regs); |
| 6928 | |
| 6929 | /* Sort to collect the sets together. */ |
| 6930 | int maxreg = 0; |
| 6931 | for (size_t i = 0; i < nregloc; ++i) |
| 6932 | for (int reg = reglocs[i].regno; |
| 6933 | reg < reglocs[i].regno + reglocs[i].count; |
| 6934 | ++reg) |
| 6935 | { |
| 6936 | assert (reg < maxnreg); |
| 6937 | if (reg > maxreg) |
| 6938 | maxreg = reg; |
| 6939 | struct register_info *info = ®s[reg]; |
| 6940 | |
| 6941 | const char *pfx; |
| 6942 | int bits; |
| 6943 | int type; |
| 6944 | ssize_t n = ebl_register_info (ebl, reg, info->name, sizeof info->name, |
| 6945 | &pfx, &info->set, &bits, &type); |
| 6946 | if (n <= 0) |
| 6947 | error (EXIT_FAILURE, 0, |
| 6948 | gettext ("cannot register info: %s"), elf_errmsg (-1)); |
| 6949 | |
| 6950 | info->regloc = ®locs[i]; |
| 6951 | info->regno = reg; |
| 6952 | info->bits = bits; |
| 6953 | info->type = type; |
| 6954 | } |
| 6955 | qsort (regs, maxreg + 1, sizeof regs[0], &compare_registers); |
| 6956 | |
| 6957 | /* Collect the unique sets and sort them. */ |
| 6958 | inline bool same_set (const struct register_info *a, |
| 6959 | const struct register_info *b) |
| 6960 | { |
| 6961 | return (a < ®s[maxnreg] && a->regloc != NULL |
| 6962 | && b < ®s[maxnreg] && b->regloc != NULL |
| 6963 | && a->bits == b->bits |
| 6964 | && (a->set == b->set || !strcmp (a->set, b->set))); |
| 6965 | } |
| 6966 | struct register_info *sets[maxreg + 1]; |
| 6967 | sets[0] = ®s[0]; |
| 6968 | size_t nsets = 1; |
| 6969 | for (int i = 1; i <= maxreg; ++i) |
| 6970 | if (regs[i].regloc != NULL && !same_set (®s[i], ®s[i - 1])) |
| 6971 | sets[nsets++] = ®s[i]; |
| 6972 | qsort (sets, nsets, sizeof sets[0], &compare_register_sets); |
| 6973 | |
| 6974 | /* Write out all the sets. */ |
| 6975 | unsigned int colno = 0; |
| 6976 | for (size_t i = 0; i < nsets; ++i) |
| 6977 | { |
| 6978 | /* Find the longest name of a register in this set. */ |
| 6979 | size_t maxname = 0; |
| 6980 | const struct register_info *end; |
| 6981 | for (end = sets[i]; same_set (sets[i], end); ++end) |
| 6982 | { |
| 6983 | size_t len = strlen (end->name); |
| 6984 | if (len > maxname) |
| 6985 | maxname = len; |
| 6986 | } |
| 6987 | |
| 6988 | for (const struct register_info *reg = sets[i]; |
| 6989 | reg < end; |
| 6990 | reg += reg->regloc->count ?: 1) |
| 6991 | colno = handle_core_register (ebl, core, maxname, |
| 6992 | reg->regloc, desc, colno); |
| 6993 | |
| 6994 | /* Force a line break at the end of the group. */ |
| 6995 | colno = REGISTER_WRAP_COLUMN; |
| 6996 | } |
| 6997 | |
| 6998 | return colno; |
| 6999 | } |
| 7000 | |
| 7001 | static void |
Roland McGrath | 59ea7f3 | 2007-10-04 08:50:09 +0000 | [diff] [blame] | 7002 | handle_auxv_note (Ebl *ebl, Elf *core, GElf_Word descsz, GElf_Off desc_pos) |
Roland McGrath | cb6d865 | 2007-08-23 08:10:54 +0000 | [diff] [blame] | 7003 | { |
Roland McGrath | 59ea7f3 | 2007-10-04 08:50:09 +0000 | [diff] [blame] | 7004 | Elf_Data *data = elf_getdata_rawchunk (core, desc_pos, descsz, ELF_T_AUXV); |
| 7005 | if (data == NULL) |
| 7006 | elf_error: |
| 7007 | error (EXIT_FAILURE, 0, |
| 7008 | gettext ("cannot convert core note data: %s"), elf_errmsg (-1)); |
| 7009 | |
Roland McGrath | cb6d865 | 2007-08-23 08:10:54 +0000 | [diff] [blame] | 7010 | const size_t nauxv = descsz / gelf_fsize (core, ELF_T_AUXV, 1, EV_CURRENT); |
| 7011 | for (size_t i = 0; i < nauxv; ++i) |
| 7012 | { |
Roland McGrath | 59ea7f3 | 2007-10-04 08:50:09 +0000 | [diff] [blame] | 7013 | GElf_auxv_t av_mem; |
| 7014 | GElf_auxv_t *av = gelf_getauxv (data, i, &av_mem); |
| 7015 | if (av == NULL) |
| 7016 | goto elf_error; |
Roland McGrath | cb6d865 | 2007-08-23 08:10:54 +0000 | [diff] [blame] | 7017 | |
| 7018 | const char *name; |
| 7019 | const char *fmt; |
| 7020 | if (ebl_auxv_info (ebl, av->a_type, &name, &fmt) == 0) |
| 7021 | { |
| 7022 | /* Unknown type. */ |
| 7023 | if (av->a_un.a_val == 0) |
| 7024 | printf (" %" PRIu64 "\n", av->a_type); |
| 7025 | else |
| 7026 | printf (" %" PRIu64 ": %#" PRIx64 "\n", |
| 7027 | av->a_type, av->a_un.a_val); |
| 7028 | } |
| 7029 | else |
| 7030 | switch (fmt[0]) |
| 7031 | { |
| 7032 | case '\0': /* Normally zero. */ |
| 7033 | if (av->a_un.a_val == 0) |
| 7034 | { |
| 7035 | printf (" %s\n", name); |
| 7036 | break; |
| 7037 | } |
| 7038 | /* Fall through */ |
| 7039 | case 'x': /* hex */ |
| 7040 | case 'p': /* address */ |
| 7041 | case 's': /* address of string */ |
| 7042 | printf (" %s: %#" PRIx64 "\n", name, av->a_un.a_val); |
| 7043 | break; |
| 7044 | case 'u': |
| 7045 | printf (" %s: %" PRIu64 "\n", name, av->a_un.a_val); |
| 7046 | break; |
| 7047 | case 'd': |
| 7048 | printf (" %s: %" PRId64 "\n", name, av->a_un.a_val); |
| 7049 | break; |
| 7050 | |
| 7051 | case 'b': |
| 7052 | printf (" %s: %#" PRIx64 " ", name, av->a_un.a_val); |
| 7053 | GElf_Xword bit = 1; |
| 7054 | const char *pfx = "<"; |
| 7055 | for (const char *p = fmt + 1; *p != 0; p = strchr (p, '\0') + 1) |
| 7056 | { |
| 7057 | if (av->a_un.a_val & bit) |
| 7058 | { |
| 7059 | printf ("%s%s", pfx, p); |
| 7060 | pfx = " "; |
| 7061 | } |
| 7062 | bit <<= 1; |
| 7063 | } |
| 7064 | printf (">\n"); |
| 7065 | break; |
| 7066 | |
| 7067 | default: |
| 7068 | abort (); |
| 7069 | } |
| 7070 | } |
| 7071 | } |
| 7072 | |
| 7073 | static void |
| 7074 | handle_core_note (Ebl *ebl, const GElf_Nhdr *nhdr, const void *desc) |
| 7075 | { |
| 7076 | GElf_Word regs_offset; |
| 7077 | size_t nregloc; |
| 7078 | const Ebl_Register_Location *reglocs; |
| 7079 | size_t nitems; |
| 7080 | const Ebl_Core_Item *items; |
| 7081 | |
| 7082 | if (! ebl_core_note (ebl, nhdr->n_type, nhdr->n_descsz, |
| 7083 | ®s_offset, &nregloc, ®locs, &nitems, &items)) |
| 7084 | return; |
| 7085 | |
Roland McGrath | 059c83e | 2008-02-21 06:19:39 +0000 | [diff] [blame] | 7086 | /* Pass 0 for DESCSZ when there are registers in the note, |
| 7087 | so that the ITEMS array does not describe the whole thing. |
| 7088 | For non-register notes, the actual descsz might be a multiple |
| 7089 | of the unit size, not just exactly the unit size. */ |
| 7090 | unsigned int colno = handle_core_items (ebl->elf, desc, |
| 7091 | nregloc == 0 ? nhdr->n_descsz : 0, |
| 7092 | items, nitems); |
Roland McGrath | cb6d865 | 2007-08-23 08:10:54 +0000 | [diff] [blame] | 7093 | if (colno != 0) |
| 7094 | putchar_unlocked ('\n'); |
| 7095 | |
| 7096 | colno = handle_core_registers (ebl, ebl->elf, desc + regs_offset, |
| 7097 | reglocs, nregloc); |
| 7098 | if (colno != 0) |
| 7099 | putchar_unlocked ('\n'); |
| 7100 | } |
| 7101 | |
Roland McGrath | 59ea7f3 | 2007-10-04 08:50:09 +0000 | [diff] [blame] | 7102 | static void |
| 7103 | handle_notes_data (Ebl *ebl, const GElf_Ehdr *ehdr, |
| 7104 | GElf_Off start, Elf_Data *data) |
| 7105 | { |
| 7106 | fputs_unlocked (gettext (" Owner Data size Type\n"), stdout); |
| 7107 | |
| 7108 | if (data == NULL) |
| 7109 | goto bad_note; |
| 7110 | |
| 7111 | size_t offset = 0; |
| 7112 | GElf_Nhdr nhdr; |
| 7113 | size_t name_offset; |
| 7114 | size_t desc_offset; |
| 7115 | while (offset < data->d_size |
| 7116 | && (offset = gelf_getnote (data, offset, |
| 7117 | &nhdr, &name_offset, &desc_offset)) > 0) |
| 7118 | { |
| 7119 | const char *name = data->d_buf + name_offset; |
| 7120 | const char *desc = data->d_buf + desc_offset; |
| 7121 | |
| 7122 | char buf[100]; |
| 7123 | char buf2[100]; |
| 7124 | printf (gettext (" %-13.*s %9" PRId32 " %s\n"), |
| 7125 | (int) nhdr.n_namesz, name, nhdr.n_descsz, |
| 7126 | ehdr->e_type == ET_CORE |
| 7127 | ? ebl_core_note_type_name (ebl, nhdr.n_type, |
| 7128 | buf, sizeof (buf)) |
| 7129 | : ebl_object_note_type_name (ebl, nhdr.n_type, |
| 7130 | buf2, sizeof (buf2))); |
| 7131 | |
| 7132 | /* Filter out invalid entries. */ |
| 7133 | if (memchr (name, '\0', nhdr.n_namesz) != NULL |
| 7134 | /* XXX For now help broken Linux kernels. */ |
| 7135 | || 1) |
| 7136 | { |
| 7137 | if (ehdr->e_type == ET_CORE) |
| 7138 | { |
| 7139 | if (nhdr.n_type == NT_AUXV) |
| 7140 | handle_auxv_note (ebl, ebl->elf, nhdr.n_descsz, |
| 7141 | start + desc_offset); |
| 7142 | else |
| 7143 | handle_core_note (ebl, &nhdr, desc); |
| 7144 | } |
| 7145 | else |
| 7146 | ebl_object_note (ebl, name, nhdr.n_type, nhdr.n_descsz, desc); |
| 7147 | } |
| 7148 | } |
| 7149 | |
| 7150 | if (offset == data->d_size) |
| 7151 | return; |
| 7152 | |
| 7153 | bad_note: |
| 7154 | error (EXIT_FAILURE, 0, |
| 7155 | gettext ("cannot get content of note section: %s"), |
| 7156 | elf_errmsg (-1)); |
| 7157 | } |
Roland McGrath | cb6d865 | 2007-08-23 08:10:54 +0000 | [diff] [blame] | 7158 | |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 7159 | static void |
| 7160 | handle_notes (Ebl *ebl, GElf_Ehdr *ehdr) |
| 7161 | { |
Roland McGrath | 59ea7f3 | 2007-10-04 08:50:09 +0000 | [diff] [blame] | 7162 | /* If we have section headers, just look for SHT_NOTE sections. |
| 7163 | In a debuginfo file, the program headers are not reliable. */ |
| 7164 | if (shnum != 0) |
| 7165 | { |
| 7166 | /* Get the section header string table index. */ |
| 7167 | size_t shstrndx; |
| 7168 | if (elf_getshstrndx (ebl->elf, &shstrndx) < 0) |
| 7169 | error (EXIT_FAILURE, 0, |
| 7170 | gettext ("cannot get section header string table index")); |
| 7171 | |
| 7172 | Elf_Scn *scn = NULL; |
| 7173 | while ((scn = elf_nextscn (ebl->elf, scn)) != NULL) |
| 7174 | { |
| 7175 | GElf_Shdr shdr_mem; |
| 7176 | GElf_Shdr *shdr = gelf_getshdr (scn, &shdr_mem); |
| 7177 | |
| 7178 | if (shdr == NULL || shdr->sh_type != SHT_NOTE) |
| 7179 | /* Not what we are looking for. */ |
| 7180 | continue; |
| 7181 | |
| 7182 | printf (gettext ("\ |
| 7183 | \nNote section [%2zu] '%s' of %" PRIu64 " bytes at offset %#0" PRIx64 ":\n"), |
| 7184 | elf_ndxscn (scn), |
| 7185 | elf_strptr (ebl->elf, shstrndx, shdr->sh_name), |
| 7186 | shdr->sh_size, shdr->sh_offset); |
| 7187 | |
| 7188 | handle_notes_data (ebl, ehdr, shdr->sh_offset, |
| 7189 | elf_getdata (scn, NULL)); |
| 7190 | } |
| 7191 | return; |
| 7192 | } |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 7193 | |
| 7194 | /* We have to look through the program header to find the note |
| 7195 | sections. There can be more than one. */ |
Roland McGrath | 59ea7f3 | 2007-10-04 08:50:09 +0000 | [diff] [blame] | 7196 | for (size_t cnt = 0; cnt < ehdr->e_phnum; ++cnt) |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 7197 | { |
| 7198 | GElf_Phdr mem; |
| 7199 | GElf_Phdr *phdr = gelf_getphdr (ebl->elf, cnt, &mem); |
| 7200 | |
| 7201 | if (phdr == NULL || phdr->p_type != PT_NOTE) |
| 7202 | /* Not what we are looking for. */ |
| 7203 | continue; |
| 7204 | |
| 7205 | printf (gettext ("\ |
Roland McGrath | 59ea7f3 | 2007-10-04 08:50:09 +0000 | [diff] [blame] | 7206 | \nNote segment of %" PRIu64 " bytes at offset %#0" PRIx64 ":\n"), |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 7207 | phdr->p_filesz, phdr->p_offset); |
| 7208 | |
Roland McGrath | 59ea7f3 | 2007-10-04 08:50:09 +0000 | [diff] [blame] | 7209 | handle_notes_data (ebl, ehdr, phdr->p_offset, |
| 7210 | elf_getdata_rawchunk (ebl->elf, |
| 7211 | phdr->p_offset, phdr->p_filesz, |
| 7212 | ELF_T_NHDR)); |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 7213 | } |
| 7214 | } |
Roland McGrath | 60fc84c | 2007-08-03 21:59:15 +0000 | [diff] [blame] | 7215 | |
| 7216 | |
| 7217 | static void |
| 7218 | hex_dump (const uint8_t *data, size_t len) |
| 7219 | { |
| 7220 | size_t pos = 0; |
| 7221 | while (pos < len) |
| 7222 | { |
Roland McGrath | 241ac02 | 2007-10-01 18:21:46 +0000 | [diff] [blame] | 7223 | printf (" 0x%08Zx ", pos); |
Roland McGrath | 60fc84c | 2007-08-03 21:59:15 +0000 | [diff] [blame] | 7224 | |
| 7225 | const size_t chunk = MIN (len - pos, 16); |
| 7226 | |
| 7227 | for (size_t i = 0; i < chunk; ++i) |
| 7228 | if (i % 4 == 3) |
| 7229 | printf ("%02x ", data[pos + i]); |
| 7230 | else |
| 7231 | printf ("%02x", data[pos + i]); |
| 7232 | |
| 7233 | if (chunk < 16) |
Roland McGrath | e4c22ea | 2007-10-23 13:07:39 +0000 | [diff] [blame] | 7234 | printf ("%*s", (int) ((16 - chunk) * 2 + (16 - chunk + 3) / 4), ""); |
Roland McGrath | 60fc84c | 2007-08-03 21:59:15 +0000 | [diff] [blame] | 7235 | |
| 7236 | for (size_t i = 0; i < chunk; ++i) |
| 7237 | { |
| 7238 | unsigned char b = data[pos + i]; |
Ulrich Drepper | c98bcc7 | 2007-08-04 17:06:14 +0000 | [diff] [blame] | 7239 | printf ("%c", isprint (b) ? b : '.'); |
Roland McGrath | 60fc84c | 2007-08-03 21:59:15 +0000 | [diff] [blame] | 7240 | } |
| 7241 | |
| 7242 | putchar ('\n'); |
| 7243 | pos += chunk; |
| 7244 | } |
| 7245 | } |
| 7246 | |
| 7247 | static void |
Roland McGrath | c76f0b0 | 2007-09-27 07:31:33 +0000 | [diff] [blame] | 7248 | dump_data_section (Elf_Scn *scn, const GElf_Shdr *shdr, const char *name) |
| 7249 | { |
| 7250 | if (shdr->sh_size == 0 || shdr->sh_type == SHT_NOBITS) |
| 7251 | printf (gettext ("\nSection [%Zu] '%s' has no data to dump.\n"), |
| 7252 | elf_ndxscn (scn), name); |
| 7253 | else |
| 7254 | { |
| 7255 | Elf_Data *data = elf_rawdata (scn, NULL); |
| 7256 | if (data == NULL) |
| 7257 | error (0, 0, gettext ("cannot get data for section [%Zu] '%s': %s"), |
| 7258 | elf_ndxscn (scn), name, elf_errmsg (-1)); |
| 7259 | else |
| 7260 | { |
| 7261 | printf (gettext ("\nHex dump of section [%Zu] '%s', %" PRIu64 |
| 7262 | " bytes at offset %#0" PRIx64 ":\n"), |
| 7263 | elf_ndxscn (scn), name, |
| 7264 | shdr->sh_size, shdr->sh_offset); |
| 7265 | hex_dump (data->d_buf, data->d_size); |
| 7266 | } |
| 7267 | } |
| 7268 | } |
| 7269 | |
| 7270 | static void |
| 7271 | print_string_section (Elf_Scn *scn, const GElf_Shdr *shdr, const char *name) |
| 7272 | { |
| 7273 | if (shdr->sh_size == 0) |
| 7274 | printf (gettext ("\nSection [%Zu] '%s' is empty.\n"), |
| 7275 | elf_ndxscn (scn), name); |
| 7276 | |
| 7277 | Elf_Data *data = elf_rawdata (scn, NULL); |
| 7278 | if (data == NULL) |
| 7279 | error (0, 0, gettext ("cannot get data for section [%Zu] '%s': %s"), |
| 7280 | elf_ndxscn (scn), name, elf_errmsg (-1)); |
| 7281 | else |
| 7282 | { |
| 7283 | printf (gettext ("\nString section [%Zu] '%s' contains %" PRIu64 |
| 7284 | " bytes at offset %#0" PRIx64 ":\n"), |
| 7285 | elf_ndxscn (scn), name, |
| 7286 | shdr->sh_size, shdr->sh_offset); |
| 7287 | |
| 7288 | const char *start = data->d_buf; |
| 7289 | const char *const limit = start + data->d_size; |
| 7290 | do |
| 7291 | { |
| 7292 | const char *end = memchr (start, '\0', limit - start); |
| 7293 | const size_t pos = start - (const char *) data->d_buf; |
| 7294 | if (unlikely (end == NULL)) |
| 7295 | { |
| 7296 | printf (" [%6Zx]- %.*s\n", |
| 7297 | pos, (int) (limit - start), start); |
| 7298 | break; |
| 7299 | } |
| 7300 | printf (" [%6Zx] %s\n", pos, start); |
| 7301 | start = end + 1; |
| 7302 | } while (start < limit); |
| 7303 | } |
| 7304 | } |
| 7305 | |
| 7306 | static void |
| 7307 | for_each_section_argument (Elf *elf, const struct section_argument *list, |
| 7308 | void (*dump) (Elf_Scn *scn, const GElf_Shdr *shdr, |
| 7309 | const char *name)) |
Roland McGrath | 60fc84c | 2007-08-03 21:59:15 +0000 | [diff] [blame] | 7310 | { |
| 7311 | /* Get the section header string table index. */ |
| 7312 | size_t shstrndx; |
Roland McGrath | c76f0b0 | 2007-09-27 07:31:33 +0000 | [diff] [blame] | 7313 | if (elf_getshstrndx (elf, &shstrndx) < 0) |
Roland McGrath | 60fc84c | 2007-08-03 21:59:15 +0000 | [diff] [blame] | 7314 | error (EXIT_FAILURE, 0, |
| 7315 | gettext ("cannot get section header string table index")); |
| 7316 | |
Roland McGrath | c76f0b0 | 2007-09-27 07:31:33 +0000 | [diff] [blame] | 7317 | for (const struct section_argument *a = list; a != NULL; a = a->next) |
Roland McGrath | 60fc84c | 2007-08-03 21:59:15 +0000 | [diff] [blame] | 7318 | { |
| 7319 | Elf_Scn *scn; |
| 7320 | GElf_Shdr shdr_mem; |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 7321 | const char *name = NULL; |
Roland McGrath | 60fc84c | 2007-08-03 21:59:15 +0000 | [diff] [blame] | 7322 | |
| 7323 | char *endp = NULL; |
| 7324 | unsigned long int shndx = strtoul (a->arg, &endp, 0); |
Ulrich Drepper | c98bcc7 | 2007-08-04 17:06:14 +0000 | [diff] [blame] | 7325 | if (endp != a->arg && *endp == '\0') |
Roland McGrath | 60fc84c | 2007-08-03 21:59:15 +0000 | [diff] [blame] | 7326 | { |
Roland McGrath | c76f0b0 | 2007-09-27 07:31:33 +0000 | [diff] [blame] | 7327 | scn = elf_getscn (elf, shndx); |
Roland McGrath | 60fc84c | 2007-08-03 21:59:15 +0000 | [diff] [blame] | 7328 | if (scn == NULL) |
| 7329 | { |
| 7330 | error (0, 0, gettext ("\nsection [%lu] does not exist"), shndx); |
| 7331 | continue; |
| 7332 | } |
| 7333 | |
| 7334 | if (gelf_getshdr (scn, &shdr_mem) == NULL) |
| 7335 | error (EXIT_FAILURE, 0, gettext ("cannot get section header: %s"), |
| 7336 | elf_errmsg (-1)); |
Roland McGrath | c76f0b0 | 2007-09-27 07:31:33 +0000 | [diff] [blame] | 7337 | name = elf_strptr (elf, shstrndx, shdr_mem.sh_name); |
Roland McGrath | 60fc84c | 2007-08-03 21:59:15 +0000 | [diff] [blame] | 7338 | } |
| 7339 | else |
| 7340 | { |
| 7341 | /* Need to look up the section by name. */ |
| 7342 | scn = NULL; |
Roland McGrath | c76f0b0 | 2007-09-27 07:31:33 +0000 | [diff] [blame] | 7343 | while ((scn = elf_nextscn (elf, scn)) != NULL) |
Roland McGrath | 60fc84c | 2007-08-03 21:59:15 +0000 | [diff] [blame] | 7344 | { |
| 7345 | if (gelf_getshdr (scn, &shdr_mem) == NULL) |
| 7346 | continue; |
Roland McGrath | c76f0b0 | 2007-09-27 07:31:33 +0000 | [diff] [blame] | 7347 | name = elf_strptr (elf, shstrndx, shdr_mem.sh_name); |
Roland McGrath | 60fc84c | 2007-08-03 21:59:15 +0000 | [diff] [blame] | 7348 | if (name == NULL) |
| 7349 | continue; |
| 7350 | if (!strcmp (name, a->arg)) |
| 7351 | break; |
| 7352 | } |
| 7353 | |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 7354 | if (unlikely (scn == NULL)) |
Roland McGrath | 60fc84c | 2007-08-03 21:59:15 +0000 | [diff] [blame] | 7355 | { |
| 7356 | error (0, 0, gettext ("\nsection '%s' does not exist"), a->arg); |
| 7357 | continue; |
| 7358 | } |
| 7359 | } |
| 7360 | |
Roland McGrath | c76f0b0 | 2007-09-27 07:31:33 +0000 | [diff] [blame] | 7361 | (*dump) (scn, &shdr_mem, name); |
Roland McGrath | 60fc84c | 2007-08-03 21:59:15 +0000 | [diff] [blame] | 7362 | } |
| 7363 | } |
| 7364 | |
| 7365 | static void |
Roland McGrath | c76f0b0 | 2007-09-27 07:31:33 +0000 | [diff] [blame] | 7366 | dump_data (Ebl *ebl) |
| 7367 | { |
| 7368 | for_each_section_argument (ebl->elf, dump_data_sections, &dump_data_section); |
| 7369 | } |
| 7370 | |
| 7371 | static void |
| 7372 | dump_strings (Ebl *ebl) |
| 7373 | { |
| 7374 | for_each_section_argument (ebl->elf, string_sections, &print_string_section); |
| 7375 | } |
| 7376 | |
| 7377 | static void |
Roland McGrath | 60fc84c | 2007-08-03 21:59:15 +0000 | [diff] [blame] | 7378 | print_strings (Ebl *ebl) |
| 7379 | { |
| 7380 | /* Get the section header string table index. */ |
| 7381 | size_t shstrndx; |
Ulrich Drepper | 3fc3d7b | 2007-10-04 18:40:28 +0000 | [diff] [blame] | 7382 | if (unlikely (elf_getshstrndx (ebl->elf, &shstrndx) < 0)) |
Roland McGrath | 60fc84c | 2007-08-03 21:59:15 +0000 | [diff] [blame] | 7383 | error (EXIT_FAILURE, 0, |
| 7384 | gettext ("cannot get section header string table index")); |
| 7385 | |
| 7386 | Elf_Scn *scn; |
| 7387 | GElf_Shdr shdr_mem; |
| 7388 | const char *name; |
| 7389 | scn = NULL; |
| 7390 | while ((scn = elf_nextscn (ebl->elf, scn)) != NULL) |
| 7391 | { |
| 7392 | if (gelf_getshdr (scn, &shdr_mem) == NULL) |
| 7393 | continue; |
| 7394 | |
| 7395 | if (shdr_mem.sh_type != SHT_PROGBITS |
| 7396 | || !(shdr_mem.sh_flags & SHF_STRINGS)) |
| 7397 | continue; |
| 7398 | |
| 7399 | name = elf_strptr (ebl->elf, shstrndx, shdr_mem.sh_name); |
| 7400 | if (name == NULL) |
| 7401 | continue; |
| 7402 | |
Roland McGrath | c76f0b0 | 2007-09-27 07:31:33 +0000 | [diff] [blame] | 7403 | print_string_section (scn, &shdr_mem, name); |
Roland McGrath | 60fc84c | 2007-08-03 21:59:15 +0000 | [diff] [blame] | 7404 | } |
| 7405 | } |
Roland McGrath | 59ea7f3 | 2007-10-04 08:50:09 +0000 | [diff] [blame] | 7406 | |
| 7407 | static void |
| 7408 | dump_archive_index (Elf *elf, const char *fname) |
| 7409 | { |
| 7410 | size_t narsym; |
| 7411 | const Elf_Arsym *arsym = elf_getarsym (elf, &narsym); |
| 7412 | if (arsym == NULL) |
| 7413 | { |
| 7414 | int result = elf_errno (); |
Ulrich Drepper | 3fc3d7b | 2007-10-04 18:40:28 +0000 | [diff] [blame] | 7415 | if (unlikely (result != ELF_E_NO_INDEX)) |
Roland McGrath | 59ea7f3 | 2007-10-04 08:50:09 +0000 | [diff] [blame] | 7416 | error (EXIT_FAILURE, 0, |
| 7417 | gettext ("cannot get symbol index of archive '%s': %s"), |
| 7418 | fname, elf_errmsg (result)); |
| 7419 | else |
| 7420 | printf (gettext ("\nArchive '%s' has no symbol index\n"), fname); |
| 7421 | return; |
| 7422 | } |
| 7423 | |
| 7424 | printf (gettext ("\nIndex of archive '%s' has %Zu entries:\n"), |
| 7425 | fname, narsym); |
| 7426 | |
| 7427 | size_t as_off = 0; |
| 7428 | for (const Elf_Arsym *s = arsym; s < &arsym[narsym - 1]; ++s) |
| 7429 | { |
| 7430 | if (s->as_off != as_off) |
| 7431 | { |
| 7432 | as_off = s->as_off; |
| 7433 | |
| 7434 | Elf *subelf; |
Ulrich Drepper | 3fc3d7b | 2007-10-04 18:40:28 +0000 | [diff] [blame] | 7435 | if (unlikely (elf_rand (elf, as_off) == 0) |
| 7436 | || unlikely ((subelf = elf_begin (-1, ELF_C_READ_MMAP, elf)) |
| 7437 | == NULL)) |
| 7438 | #if __GLIBC__ < 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ < 7) |
| 7439 | while (1) |
| 7440 | #endif |
| 7441 | error (EXIT_FAILURE, 0, |
| 7442 | gettext ("cannot extract member at offset %Zu in '%s': %s"), |
| 7443 | as_off, fname, elf_errmsg (-1)); |
Roland McGrath | 59ea7f3 | 2007-10-04 08:50:09 +0000 | [diff] [blame] | 7444 | |
| 7445 | const Elf_Arhdr *h = elf_getarhdr (subelf); |
| 7446 | |
| 7447 | printf (gettext ("Archive member '%s' contains:\n"), h->ar_name); |
| 7448 | |
| 7449 | elf_end (subelf); |
| 7450 | } |
| 7451 | |
| 7452 | printf ("\t%s\n", s->as_name); |
| 7453 | } |
| 7454 | } |
Ulrich Drepper | 3cbdd38 | 2008-01-02 17:44:39 +0000 | [diff] [blame] | 7455 | |
| 7456 | #include "debugpred.h" |