| /* Enumerate DWARF register numbers and their names. |
| Copyright (C) 2005 Red Hat, Inc. |
| |
| This program is Open Source software; you can redistribute it and/or |
| modify it under the terms of the Open Software License version 1.0 as |
| published by the Open Source Initiative. |
| |
| You should have received a copy of the Open Software License along |
| with this program; if not, you may obtain a copy of the Open Software |
| License version 1.0 from http://www.opensource.org/licenses/osl.php or |
| by writing the Open Source Initiative c/o Lawrence Rosen, Esq., |
| 3001 King Ranch Road, Ukiah, CA 95482. */ |
| |
| #include "libdwflP.h" |
| |
| |
| int |
| dwfl_module_register_names (mod, func, arg) |
| Dwfl_Module *mod; |
| int (*func) (void *, int regno, const char *setname, |
| const char *prefix, const char *regname); |
| 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_name (mod->ebl, -1, NULL, 0, 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; |
| ssize_t len = ebl_register_name (mod->ebl, regno, name, sizeof name, |
| &prefix, &setname); |
| 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); |
| } |
| } |
| |
| return result; |
| } |