Ben Cheng | 25b3c04 | 2013-11-20 14:45:36 -0800 | [diff] [blame] | 1 | /* Iterate through DWARF compilation units across all modules. |
| 2 | Copyright (C) 2005-2010 Red Hat, Inc. |
Elliott Hughes | 0333382 | 2015-02-18 22:19:45 -0800 | [diff] [blame] | 3 | This file is part of elfutils. |
Ben Cheng | 25b3c04 | 2013-11-20 14:45:36 -0800 | [diff] [blame] | 4 | |
Elliott Hughes | 0333382 | 2015-02-18 22:19:45 -0800 | [diff] [blame] | 5 | This file is free software; you can redistribute it and/or modify |
| 6 | it under the terms of either |
Ben Cheng | 25b3c04 | 2013-11-20 14:45:36 -0800 | [diff] [blame] | 7 | |
Elliott Hughes | 0333382 | 2015-02-18 22:19:45 -0800 | [diff] [blame] | 8 | * the GNU Lesser General Public License as published by the Free |
| 9 | Software Foundation; either version 3 of the License, or (at |
| 10 | your option) any later version |
| 11 | |
| 12 | or |
| 13 | |
| 14 | * the GNU General Public License as published by the Free |
| 15 | Software Foundation; either version 2 of the License, or (at |
| 16 | your option) any later version |
| 17 | |
| 18 | or both in parallel, as here. |
| 19 | |
| 20 | elfutils is distributed in the hope that it will be useful, but |
Ben Cheng | 25b3c04 | 2013-11-20 14:45:36 -0800 | [diff] [blame] | 21 | WITHOUT ANY WARRANTY; without even the implied warranty of |
| 22 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 23 | General Public License for more details. |
| 24 | |
Elliott Hughes | 0333382 | 2015-02-18 22:19:45 -0800 | [diff] [blame] | 25 | You should have received copies of the GNU General Public License and |
| 26 | the GNU Lesser General Public License along with this program. If |
| 27 | not, see <http://www.gnu.org/licenses/>. */ |
Ben Cheng | 25b3c04 | 2013-11-20 14:45:36 -0800 | [diff] [blame] | 28 | |
| 29 | #include "libdwflP.h" |
| 30 | |
| 31 | Dwarf_Die * |
| 32 | dwfl_nextcu (Dwfl *dwfl, Dwarf_Die *lastcu, Dwarf_Addr *bias) |
| 33 | { |
| 34 | if (dwfl == NULL) |
| 35 | return NULL; |
| 36 | |
| 37 | struct dwfl_cu *cu = (struct dwfl_cu *) lastcu; |
| 38 | Dwfl_Module *mod; |
| 39 | |
| 40 | if (cu == NULL) |
| 41 | { |
| 42 | mod = dwfl->modulelist; |
| 43 | goto nextmod; |
| 44 | } |
| 45 | else |
| 46 | mod = cu->mod; |
| 47 | |
| 48 | Dwfl_Error error; |
| 49 | do |
| 50 | { |
| 51 | error = __libdwfl_nextcu (mod, cu, &cu); |
| 52 | if (error != DWFL_E_NOERROR) |
| 53 | break; |
| 54 | |
| 55 | if (cu != NULL) |
| 56 | { |
| 57 | *bias = dwfl_adjusted_dwarf_addr (mod, 0); |
| 58 | return &cu->die; |
| 59 | } |
| 60 | |
| 61 | do |
| 62 | { |
| 63 | mod = mod->next; |
| 64 | |
| 65 | nextmod: |
| 66 | if (mod == NULL) |
| 67 | return NULL; |
| 68 | |
| 69 | if (mod->dwerr == DWFL_E_NOERROR |
| 70 | && (mod->dw != NULL |
| 71 | || INTUSE(dwfl_module_getdwarf) (mod, bias) != NULL)) |
| 72 | break; |
| 73 | } |
| 74 | while (mod->dwerr == DWFL_E_NO_DWARF); |
| 75 | error = mod->dwerr; |
| 76 | } |
| 77 | while (error == DWFL_E_NOERROR); |
| 78 | |
| 79 | __libdwfl_seterrno (error); |
| 80 | return NULL; |
| 81 | } |
| 82 | INTDEF (dwfl_nextcu) |