LCOV - code coverage report
Current view: top level - libebl - eblauxvinfo.c (source / functions) Hit Total Coverage
Test: elfutils-0.189 Lines: 7 7 100.0 %
Date: 2023-11-02 17:35:49 Functions: 1 1 100.0 %
Legend: Lines: hit not hit | Branches: + taken - not taken # not executed Branches: 3 4 75.0 %

           Branch data     Line data    Source code
       1                 :            : /* Describe known auxv types.
       2                 :            :    Copyright (C) 2007, 2008, 2009 Red Hat, Inc.
       3                 :            :    This file is part of elfutils.
       4                 :            : 
       5                 :            :    This file is free software; you can redistribute it and/or modify
       6                 :            :    it under the terms of either
       7                 :            : 
       8                 :            :      * the GNU Lesser General Public License as published by the Free
       9                 :            :        Software Foundation; either version 3 of the License, or (at
      10                 :            :        your option) any later version
      11                 :            : 
      12                 :            :    or
      13                 :            : 
      14                 :            :      * the GNU General Public License as published by the Free
      15                 :            :        Software Foundation; either version 2 of the License, or (at
      16                 :            :        your option) any later version
      17                 :            : 
      18                 :            :    or both in parallel, as here.
      19                 :            : 
      20                 :            :    elfutils is distributed in the hope that it will be useful, but
      21                 :            :    WITHOUT ANY WARRANTY; without even the implied warranty of
      22                 :            :    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      23                 :            :    General Public License for more details.
      24                 :            : 
      25                 :            :    You should have received copies of the GNU General Public License and
      26                 :            :    the GNU Lesser General Public License along with this program.  If
      27                 :            :    not, see <http://www.gnu.org/licenses/>.  */
      28                 :            : 
      29                 :            : #ifdef HAVE_CONFIG_H
      30                 :            : # include <config.h>
      31                 :            : #endif
      32                 :            : 
      33                 :            : #include <assert.h>
      34                 :            : #include <byteswap.h>
      35                 :            : #include <endian.h>
      36                 :            : #include <inttypes.h>
      37                 :            : #include <stdio.h>
      38                 :            : #include <stddef.h>
      39                 :            : #include <libeblP.h>
      40                 :            : 
      41                 :            : #define AUXV_TYPES                                                            \
      42                 :            :   TYPE (NULL, "")                                                           \
      43                 :            :   TYPE (IGNORE, "")                                                         \
      44                 :            :   TYPE (EXECFD, "d")                                                        \
      45                 :            :   TYPE (EXECFN, "s")                                                        \
      46                 :            :   TYPE (PHDR, "p")                                                          \
      47                 :            :   TYPE (PHENT, "u")                                                         \
      48                 :            :   TYPE (PHNUM, "u")                                                         \
      49                 :            :   TYPE (PAGESZ, "u")                                                        \
      50                 :            :   TYPE (BASE, "p")                                                          \
      51                 :            :   TYPE (FLAGS, "x")                                                         \
      52                 :            :   TYPE (ENTRY, "p")                                                         \
      53                 :            :   TYPE (NOTELF, "")                                                         \
      54                 :            :   TYPE (UID, "u")                                                           \
      55                 :            :   TYPE (EUID, "u")                                                          \
      56                 :            :   TYPE (GID, "u")                                                           \
      57                 :            :   TYPE (EGID, "u")                                                          \
      58                 :            :   TYPE (CLKTCK, "u")                                                        \
      59                 :            :   TYPE (PLATFORM, "s")                                                              \
      60                 :            :   TYPE (BASE_PLATFORM, "s")                                                 \
      61                 :            :   TYPE (HWCAP, "x")                                                         \
      62                 :            :   TYPE (FPUCW, "x")                                                         \
      63                 :            :   TYPE (DCACHEBSIZE, "d")                                                   \
      64                 :            :   TYPE (ICACHEBSIZE, "d")                                                   \
      65                 :            :   TYPE (UCACHEBSIZE, "d")                                                   \
      66                 :            :   TYPE (IGNOREPPC, "")                                                              \
      67                 :            :   TYPE (SECURE, "u")                                                        \
      68                 :            :   TYPE (SYSINFO, "p")                                                       \
      69                 :            :   TYPE (SYSINFO_EHDR, "p")                                                  \
      70                 :            :   TYPE (L1I_CACHESHAPE, "d")                                                \
      71                 :            :   TYPE (L1D_CACHESHAPE, "d")                                                \
      72                 :            :   TYPE (L2_CACHESHAPE, "d")                                                 \
      73                 :            :   TYPE (L3_CACHESHAPE, "d")                                                 \
      74                 :            :   TYPE (RANDOM, "p")
      75                 :            : 
      76                 :            : static const struct
      77                 :            : {
      78                 :            :   const char *name, *format;
      79                 :            : } auxv_types[] =
      80                 :            :   {
      81                 :            : #define TYPE(name, fmt) [AT_##name] = { #name, fmt },
      82                 :            :     AUXV_TYPES
      83                 :            : #undef  TYPE
      84                 :            :   };
      85                 :            : #define nauxv_types (sizeof auxv_types / sizeof auxv_types[0])
      86                 :            : 
      87                 :            : int
      88                 :        336 : ebl_auxv_info (Ebl *ebl, GElf_Xword a_type, const char **name,
      89                 :            :                const char **format)
      90                 :            : {
      91                 :        336 :   int result = ebl->auxv_info (a_type, name, format);
      92   [ +  +  +  - ]:        336 :   if (result == 0 && a_type < nauxv_types && auxv_types[a_type].name != NULL)
      93                 :            :     {
      94                 :            :       /* The machine specific function did not know this type.  */
      95                 :        328 :       *name = auxv_types[a_type].name;
      96                 :        328 :       *format = auxv_types[a_type].format;
      97                 :        328 :       result = 1;
      98                 :            :     }
      99                 :        336 :   return result;
     100                 :            : }

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