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