Roland McGrath | 994b489 | 2005-12-05 22:46:21 +0000 | [diff] [blame] | 1 | /* Enumerate DWARF register numbers and their names. |
Roland McGrath | c373d85 | 2006-10-10 00:25:21 +0000 | [diff] [blame] | 2 | Copyright (C) 2005, 2006 Red Hat, Inc. |
Mark Wielaard | de2ed97 | 2012-06-05 17:15:16 +0200 | [diff] [blame] | 3 | This file is part of elfutils. |
Roland McGrath | 994b489 | 2005-12-05 22:46:21 +0000 | [diff] [blame] | 4 | |
Mark Wielaard | de2ed97 | 2012-06-05 17:15:16 +0200 | [diff] [blame] | 5 | This file is free software; you can redistribute it and/or modify |
| 6 | it under the terms of either |
Roland McGrath | 994b489 | 2005-12-05 22:46:21 +0000 | [diff] [blame] | 7 | |
Mark Wielaard | de2ed97 | 2012-06-05 17:15:16 +0200 | [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 |
Ulrich Drepper | 361df7d | 2006-04-04 21:38:57 +0000 | [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 | |
Mark Wielaard | de2ed97 | 2012-06-05 17:15:16 +0200 | [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/>. */ |
Roland McGrath | 994b489 | 2005-12-05 22:46:21 +0000 | [diff] [blame] | 28 | |
| 29 | #include "libdwflP.h" |
| 30 | |
| 31 | |
| 32 | int |
| 33 | dwfl_module_register_names (mod, func, arg) |
| 34 | Dwfl_Module *mod; |
| 35 | int (*func) (void *, int regno, const char *setname, |
Roland McGrath | c373d85 | 2006-10-10 00:25:21 +0000 | [diff] [blame] | 36 | const char *prefix, const char *regname, |
| 37 | int bits, int type); |
Roland McGrath | 994b489 | 2005-12-05 22:46:21 +0000 | [diff] [blame] | 38 | void *arg; |
| 39 | { |
| 40 | if (unlikely (mod == NULL)) |
| 41 | return -1; |
| 42 | |
| 43 | if (unlikely (mod->ebl == NULL)) |
| 44 | { |
| 45 | Dwfl_Error error = __libdwfl_module_getebl (mod); |
| 46 | if (error != DWFL_E_NOERROR) |
| 47 | { |
| 48 | __libdwfl_seterrno (error); |
| 49 | return -1; |
| 50 | } |
| 51 | } |
| 52 | |
Roland McGrath | c373d85 | 2006-10-10 00:25:21 +0000 | [diff] [blame] | 53 | int nregs = ebl_register_info (mod->ebl, -1, NULL, 0, |
| 54 | NULL, NULL, NULL, NULL); |
Roland McGrath | 994b489 | 2005-12-05 22:46:21 +0000 | [diff] [blame] | 55 | int result = 0; |
| 56 | for (int regno = 0; regno < nregs && likely (result == 0); ++regno) |
| 57 | { |
| 58 | char name[32]; |
| 59 | const char *setname = NULL; |
| 60 | const char *prefix = NULL; |
Roland McGrath | c373d85 | 2006-10-10 00:25:21 +0000 | [diff] [blame] | 61 | int bits = -1; |
| 62 | int type = -1; |
| 63 | ssize_t len = ebl_register_info (mod->ebl, regno, name, sizeof name, |
| 64 | &prefix, &setname, &bits, &type); |
Roland McGrath | 994b489 | 2005-12-05 22:46:21 +0000 | [diff] [blame] | 65 | if (unlikely (len < 0)) |
| 66 | { |
| 67 | __libdwfl_seterrno (DWFL_E_LIBEBL); |
| 68 | result = -1; |
| 69 | break; |
| 70 | } |
| 71 | if (likely (len > 0)) |
| 72 | { |
| 73 | assert (len > 1); /* Backend should never yield "". */ |
Roland McGrath | c373d85 | 2006-10-10 00:25:21 +0000 | [diff] [blame] | 74 | result = (*func) (arg, regno, setname, prefix, name, bits, type); |
Roland McGrath | 994b489 | 2005-12-05 22:46:21 +0000 | [diff] [blame] | 75 | } |
| 76 | } |
| 77 | |
| 78 | return result; |
| 79 | } |