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101 lines
3.0 KiB
C
101 lines
3.0 KiB
C
/* Describe known auxv types.
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Copyright (C) 2007, 2008, 2009 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 <assert.h>
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#include <byteswap.h>
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#include <endian.h>
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#include <inttypes.h>
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#include <stdio.h>
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#include <stddef.h>
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#include <libeblP.h>
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#define AUXV_TYPES \
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TYPE (NULL, "") \
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TYPE (IGNORE, "") \
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TYPE (EXECFD, "d") \
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TYPE (EXECFN, "s") \
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TYPE (PHDR, "p") \
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TYPE (PHENT, "u") \
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TYPE (PHNUM, "u") \
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TYPE (PAGESZ, "u") \
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TYPE (BASE, "p") \
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TYPE (FLAGS, "x") \
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TYPE (ENTRY, "p") \
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TYPE (NOTELF, "") \
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TYPE (UID, "u") \
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TYPE (EUID, "u") \
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TYPE (GID, "u") \
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TYPE (EGID, "u") \
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TYPE (CLKTCK, "u") \
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TYPE (PLATFORM, "s") \
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TYPE (BASE_PLATFORM, "s") \
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TYPE (HWCAP, "x") \
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TYPE (FPUCW, "x") \
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TYPE (DCACHEBSIZE, "d") \
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TYPE (ICACHEBSIZE, "d") \
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TYPE (UCACHEBSIZE, "d") \
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TYPE (IGNOREPPC, "") \
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TYPE (SECURE, "u") \
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TYPE (SYSINFO, "p") \
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TYPE (SYSINFO_EHDR, "p") \
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TYPE (L1I_CACHESHAPE, "d") \
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TYPE (L1D_CACHESHAPE, "d") \
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TYPE (L2_CACHESHAPE, "d") \
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TYPE (L3_CACHESHAPE, "d") \
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TYPE (RANDOM, "p")
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static const struct
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{
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const char *name, *format;
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} auxv_types[] =
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{
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#define TYPE(name, fmt) [AT_##name] = { #name, fmt },
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AUXV_TYPES
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#undef TYPE
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};
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#define nauxv_types (sizeof auxv_types / sizeof auxv_types[0])
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int
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ebl_auxv_info (Ebl *ebl, GElf_Xword a_type, const char **name,
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const char **format)
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{
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int result = ebl->auxv_info (a_type, name, format);
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if (result == 0 && a_type < nauxv_types && auxv_types[a_type].name != NULL)
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{
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/* The machine specific function did not know this type. */
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*name = auxv_types[a_type].name;
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*format = auxv_types[a_type].format;
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result = 1;
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}
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return result;
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}
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