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https://github.com/autc04/Retro68.git
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d21be3b4e1
(from https://sourceware.org/elfutils/, GPL/LGPL licensed)
83 lines
2.2 KiB
C
83 lines
2.2 KiB
C
/* Enumerate DWARF register numbers and their names.
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Copyright (C) 2005, 2006 Red Hat, Inc.
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This file is part of elfutils.
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This file is free software; you can redistribute it and/or modify
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it under the terms of either
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* the GNU Lesser General Public License as published by the Free
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Software Foundation; either version 3 of the License, or (at
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your option) any later version
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or
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* the GNU General Public License as published by the Free
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Software Foundation; either version 2 of the License, or (at
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your option) any later version
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or both in parallel, as here.
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elfutils is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received copies of the GNU General Public License and
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the GNU Lesser General Public License along with this program. If
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not, see <http://www.gnu.org/licenses/>. */
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include "libdwflP.h"
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int
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dwfl_module_register_names (Dwfl_Module *mod,
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int (*func) (void *, int, const char *,
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const char *, const char *,
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int, int),
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void *arg)
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{
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if (unlikely (mod == NULL))
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return -1;
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if (unlikely (mod->ebl == NULL))
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{
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Dwfl_Error error = __libdwfl_module_getebl (mod);
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if (error != DWFL_E_NOERROR)
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{
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__libdwfl_seterrno (error);
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return -1;
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}
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}
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int nregs = ebl_register_info (mod->ebl, -1, NULL, 0,
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NULL, NULL, NULL, NULL);
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int result = 0;
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for (int regno = 0; regno < nregs && likely (result == 0); ++regno)
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{
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char name[32];
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const char *setname = NULL;
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const char *prefix = NULL;
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int bits = -1;
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int type = -1;
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ssize_t len = ebl_register_info (mod->ebl, regno, name, sizeof name,
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&prefix, &setname, &bits, &type);
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if (unlikely (len < 0))
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{
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__libdwfl_seterrno (DWFL_E_LIBEBL);
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result = -1;
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break;
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}
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if (likely (len > 0))
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{
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assert (len > 1); /* Backend should never yield "". */
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result = (*func) (arg, regno, setname, prefix, name, bits, type);
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}
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}
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return result;
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}
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