| /* Enumerate DWARF register numbers and their names. |
| Copyright (C) 2005, 2006 Red Hat, Inc. |
| This file is part of elfutils. |
| |
| This file is free software; you can redistribute it and/or modify |
| it under the terms of either |
| |
| * the GNU Lesser General Public License as published by the Free |
| Software Foundation; either version 3 of the License, or (at |
| your option) any later version |
| |
| or |
| |
| * the GNU General Public License as published by the Free |
| Software Foundation; either version 2 of the License, or (at |
| your option) any later version |
| |
| or both in parallel, as here. |
| |
| elfutils is distributed in the hope that it will be useful, but |
| WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| General Public License for more details. |
| |
| You should have received copies of the GNU General Public License and |
| the GNU Lesser General Public License along with this program. If |
| not, see <http://www.gnu.org/licenses/>. */ |
| |
| #include "libdwflP.h" |
| |
| |
| int |
| dwfl_module_register_names (Dwfl_Module *mod, |
| int (*func) (void *, int, const char *, |
| const char *, const char *, |
| int, int), |
| void *arg) |
| { |
| if (unlikely (mod == NULL)) |
| return -1; |
| |
| if (unlikely (mod->ebl == NULL)) |
| { |
| Dwfl_Error error = __libdwfl_module_getebl (mod); |
| if (error != DWFL_E_NOERROR) |
| { |
| __libdwfl_seterrno (error); |
| return -1; |
| } |
| } |
| |
| int nregs = ebl_register_info (mod->ebl, -1, NULL, 0, |
| NULL, NULL, NULL, NULL); |
| int result = 0; |
| for (int regno = 0; regno < nregs && likely (result == 0); ++regno) |
| { |
| char name[32]; |
| const char *setname = NULL; |
| const char *prefix = NULL; |
| int bits = -1; |
| int type = -1; |
| ssize_t len = ebl_register_info (mod->ebl, regno, name, sizeof name, |
| &prefix, &setname, &bits, &type); |
| if (unlikely (len < 0)) |
| { |
| __libdwfl_seterrno (DWFL_E_LIBEBL); |
| result = -1; |
| break; |
| } |
| if (likely (len > 0)) |
| { |
| assert (len > 1); /* Backend should never yield "". */ |
| result = (*func) (arg, regno, setname, prefix, name, bits, type); |
| } |
| } |
| |
| return result; |
| } |