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Diffstat (limited to 'libebl/eblauxvinfo.c')
| -rw-r--r-- | libebl/eblauxvinfo.c | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/libebl/eblauxvinfo.c b/libebl/eblauxvinfo.c new file mode 100644 index 00000000..af65c47b --- /dev/null +++ b/libebl/eblauxvinfo.c @@ -0,0 +1,122 @@ +/* Describe known auxv types. + Copyright (C) 2007, 2008 Red Hat, Inc. + This file is part of Red Hat elfutils. + + Red Hat elfutils is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by the + Free Software Foundation; version 2 of the License. + + Red Hat elfutils is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License along + with Red Hat elfutils; if not, write to the Free Software Foundation, + Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA. + + In addition, as a special exception, Red Hat, Inc. gives You the + additional right to link the code of Red Hat elfutils with code licensed + under any Open Source Initiative certified open source license + (http://www.opensource.org/licenses/index.php) which requires the + distribution of source code with any binary distribution and to + distribute linked combinations of the two. Non-GPL Code permitted under + this exception must only link to the code of Red Hat elfutils through + those well defined interfaces identified in the file named EXCEPTION + found in the source code files (the "Approved Interfaces"). The files + of Non-GPL Code may instantiate templates or use macros or inline + functions from the Approved Interfaces without causing the resulting + work to be covered by the GNU General Public License. Only Red Hat, + Inc. may make changes or additions to the list of Approved Interfaces. + Red Hat's grant of this exception is conditioned upon your not adding + any new exceptions. If you wish to add a new Approved Interface or + exception, please contact Red Hat. You must obey the GNU General Public + License in all respects for all of the Red Hat elfutils code and other + code used in conjunction with Red Hat elfutils except the Non-GPL Code + covered by this exception. If you modify this file, you may extend this + exception to your version of the file, but you are not obligated to do + so. If you do not wish to provide this exception without modification, + you must delete this exception statement from your version and license + this file solely under the GPL without exception. + + Red Hat elfutils is an included package of the Open Invention Network. + An included package of the Open Invention Network is a package for which + Open Invention Network licensees cross-license their patents. No patent + license is granted, either expressly or impliedly, by designation as an + included package. Should you wish to participate in the Open Invention + Network licensing program, please visit www.openinventionnetwork.com + <http://www.openinventionnetwork.com>. */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include <assert.h> +#include <byteswap.h> +#include <endian.h> +#include <inttypes.h> +#include <stdio.h> +#include <stddef.h> +#include <libeblP.h> + +#define AUXV_TYPES \ + TYPE (NULL, "") \ + TYPE (IGNORE, "") \ + TYPE (EXECFD, "d") \ + TYPE (EXECFN, "s") \ + TYPE (PHDR, "p") \ + TYPE (PHENT, "u") \ + TYPE (PHNUM, "u") \ + TYPE (PAGESZ, "u") \ + TYPE (BASE, "p") \ + TYPE (FLAGS, "x") \ + TYPE (ENTRY, "p") \ + TYPE (NOTELF, "") \ + TYPE (UID, "u") \ + TYPE (EUID, "u") \ + TYPE (GID, "u") \ + TYPE (EGID, "u") \ + TYPE (CLKTCK, "u") \ + TYPE (PLATFORM, "s") \ + TYPE (HWCAP, "x") \ + TYPE (FPUCW, "x") \ + TYPE (DCACHEBSIZE, "d") \ + TYPE (ICACHEBSIZE, "d") \ + TYPE (UCACHEBSIZE, "d") \ + TYPE (IGNOREPPC, "") \ + TYPE (SECURE, "u") \ + TYPE (SYSINFO, "p") \ + TYPE (SYSINFO_EHDR, "p") \ + TYPE (L1I_CACHESHAPE, "d") \ + TYPE (L1D_CACHESHAPE, "d") \ + TYPE (L2_CACHESHAPE, "d") \ + TYPE (L3_CACHESHAPE, "d") + +static const struct +{ + const char *name, *format; +} auxv_types[] = + { +#define TYPE(name, fmt) [AT_##name] = { #name, fmt }, + AUXV_TYPES +#undef TYPE + }; +#define nauxv_types (sizeof auxv_types / sizeof auxv_types[0]) + +int +ebl_auxv_info (ebl, a_type, name, format) + Ebl *ebl; + GElf_Xword a_type; + const char **name; + const char **format; +{ + int result = ebl->auxv_info (a_type, name, format); + if (result == 0 && a_type < nauxv_types && auxv_types[a_type].name != NULL) + { + /* The machine specific function did not know this type. */ + *name = auxv_types[a_type].name; + *format = auxv_types[a_type].format; + result = 1; + } + return result; +} |