1 /* Copyright (C) 2012, 2013, 2015 Red Hat, Inc. 2 This file is part of elfutils. 3 4 This file is free software; you can redistribute it and/or modify 5 it under the terms of the GNU General Public License as published by 6 the Free Software Foundation; either version 3 of the License, or 7 (at your option) any later version. 8 9 elfutils is distributed in the hope that it will be useful, but 10 WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 GNU General Public License for more details. 13 14 You should have received a copy of the GNU General Public License 15 along with this program. If not, see <http://www.gnu.org/licenses/>. */ 16 17 #ifdef HAVE_CONFIG_H 18 # include <config.h> 19 #endif 20 21 #include <fcntl.h> 22 #include ELFUTILS_HEADER(dw) 23 #include <stdio.h> 24 #include <unistd.h> 25 #include <dwarf.h> 26 #include <inttypes.h> 27 28 int 29 main (int argc, char *argv[]) 30 { 31 for (int i = 1; i < argc; ++i) 32 { 33 int fd = open (argv[i], O_RDONLY); 34 35 Dwarf *dbg = dwarf_begin (fd, DWARF_C_READ); 36 if (dbg != NULL) 37 { 38 Dwarf_Off off = 0; 39 size_t cuhl; 40 Dwarf_Off noff; 41 uint64_t type_sig; 42 43 while (dwarf_next_unit (dbg, off, &noff, &cuhl, NULL, NULL, NULL, 44 NULL, &type_sig, NULL) == 0) 45 { 46 Dwarf_Die die_mem; 47 dwarf_offdie_types (dbg, off + cuhl, &die_mem); 48 off = noff; 49 } 50 51 off = 0; 52 53 while (dwarf_nextcu (dbg, off, &noff, &cuhl, NULL, NULL, NULL) == 0) 54 { 55 Dwarf_Die die_mem; 56 Dwarf_Die *die = dwarf_offdie (dbg, off + cuhl, &die_mem); 57 58 Dwarf_Die iter_mem; 59 Dwarf_Die *iter = &iter_mem; 60 dwarf_child (die, &iter_mem); 61 62 while (1) 63 { 64 if (dwarf_tag (iter) == DW_TAG_variable) 65 { 66 Dwarf_Attribute attr_mem; 67 Dwarf_Die form_mem, *form; 68 form = dwarf_formref_die (dwarf_attr (iter, DW_AT_type, 69 &attr_mem), 70 &form_mem); 71 72 if (form == NULL) 73 printf ("fail\n"); 74 else 75 printf ("ok %s [%" PRIx64 "]\n", 76 dwarf_diename (form), dwarf_dieoffset (form)); 77 } 78 79 if (dwarf_siblingof (iter, &iter_mem) != 0) 80 break; 81 } 82 83 off = noff; 84 } 85 86 dwarf_end (dbg); 87 } 88 89 close (fd); 90 } 91 } 92
