61 lines
1.6 KiB
C
61 lines
1.6 KiB
C
/* Register names and numbers for BPF DWARF.
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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 <stdio.h>
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#include <string.h>
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#include "bpf.h"
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#define BACKEND bpf_
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#include "libebl_CPU.h"
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ssize_t
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bpf_register_info (Ebl *ebl __attribute__ ((unused)),
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int regno, char *name, size_t namelen,
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const char **prefix, const char **setname,
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int *bits, int *type)
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{
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ssize_t len;
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if (name == NULL)
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return MAX_BPF_REG;
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if (regno < 0 || regno >= MAX_BPF_REG)
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return -1;
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*prefix = "";
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*setname = "integer";
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*bits = 64;
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*type = DW_ATE_signed;
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len = snprintf(name, namelen, "r%d", regno);
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return ((size_t)len < namelen ? len : -1);
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}
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