Elliott Hughes | 0333382 | 2015-02-18 22:19:45 -0800 | [diff] [blame^] | 1 | /* Copyright (C) 2012, 2013 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 | |
| 27 | int |
| 28 | main (int argc, char *argv[]) |
| 29 | { |
| 30 | for (int i = 1; i < argc; ++i) |
| 31 | { |
| 32 | int fd = open (argv[i], O_RDONLY); |
| 33 | |
| 34 | Dwarf *dbg = dwarf_begin (fd, DWARF_C_READ); |
| 35 | if (dbg != NULL) |
| 36 | { |
| 37 | Dwarf_Off off = 0; |
| 38 | size_t cuhl; |
| 39 | Dwarf_Off noff; |
| 40 | uint64_t type_sig; |
| 41 | |
| 42 | while (dwarf_next_unit (dbg, off, &noff, &cuhl, NULL, NULL, NULL, |
| 43 | NULL, &type_sig, NULL) == 0) |
| 44 | { |
| 45 | Dwarf_Die die_mem; |
| 46 | dwarf_offdie_types (dbg, off + cuhl, &die_mem); |
| 47 | off = noff; |
| 48 | } |
| 49 | |
| 50 | off = 0; |
| 51 | |
| 52 | while (dwarf_nextcu (dbg, off, &noff, &cuhl, NULL, NULL, NULL) == 0) |
| 53 | { |
| 54 | Dwarf_Die die_mem; |
| 55 | Dwarf_Die *die = dwarf_offdie (dbg, off + cuhl, &die_mem); |
| 56 | |
| 57 | Dwarf_Die iter_mem; |
| 58 | Dwarf_Die *iter = &iter_mem; |
| 59 | dwarf_child (die, &iter_mem); |
| 60 | |
| 61 | while (1) |
| 62 | { |
| 63 | if (dwarf_tag (iter) == DW_TAG_variable) |
| 64 | { |
| 65 | Dwarf_Attribute attr_mem; |
| 66 | Dwarf_Die form_mem, *form; |
| 67 | form = dwarf_formref_die (dwarf_attr (iter, DW_AT_type, |
| 68 | &attr_mem), |
| 69 | &form_mem); |
| 70 | |
| 71 | if (form == NULL) |
| 72 | printf ("fail\n"); |
| 73 | else |
| 74 | printf ("ok\n"); |
| 75 | } |
| 76 | |
| 77 | if (dwarf_siblingof (iter, &iter_mem) != 0) |
| 78 | break; |
| 79 | } |
| 80 | |
| 81 | off = noff; |
| 82 | } |
| 83 | |
| 84 | dwarf_end (dbg); |
| 85 | } |
| 86 | |
| 87 | close (fd); |
| 88 | } |
| 89 | } |