/* Copyright (C) 1995-2013 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library 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 Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, see <http://www.gnu.org/licenses/>. */ /* Legal values for a_type (entry type). */ #define AT_NULL 0 /* End of vector */ #define AT_IGNORE 1 /* Entry should be ignored */ #define AT_EXECFD 2 /* File descriptor of program */ #define AT_PHDR 3 /* Program headers for program */ #define AT_PHENT 4 /* Size of program header entry */ #define AT_PHNUM 5 /* Number of program headers */ #define AT_PAGESZ 6 /* System page size */ #define AT_BASE 7 /* Base address of interpreter */ #define AT_FLAGS 8 /* Flags */ #define AT_ENTRY 9 /* Entry point of program */ #define AT_NOTELF 10 /* Program is not ELF */ #define AT_UID 11 /* Real uid */ #define AT_EUID 12 /* Effective uid */ #define AT_GID 13 /* Real gid */ #define AT_EGID 14 /* Effective gid */ #define AT_CLKTCK 17 /* Frequency of times() */ /* Some more special a_type values describing the hardware. */ #define AT_PLATFORM 15 /* String identifying platform. */ #define AT_HWCAP 16 /* Machine-dependent hints about processor capabilities. */ /* This entry gives some information about the FPU initialization performed by the kernel. */ #define AT_FPUCW 18 /* Used FPU control word. */ /* Cache block sizes. */ #define AT_DCACHEBSIZE 19 /* Data cache block size. */ #define AT_ICACHEBSIZE 20 /* Instruction cache block size. */ #define AT_UCACHEBSIZE 21 /* Unified cache block size. */ /* A special ignored value for PPC, used by the kernel to control the interpretation of the AUXV. Must be > 16. */ #define AT_IGNOREPPC 22 /* Entry should be ignored. */ #define AT_SECURE 23 /* Boolean, was exec setuid-like? */ #define AT_BASE_PLATFORM 24 /* String identifying real platforms.*/ #define AT_RANDOM 25 /* Address of 16 random bytes. */ #define AT_HWCAP2 26 /* More machine-dependent hints about processor capabilities. */ #define AT_EXECFN 31 /* Filename of executable. */ /* Pointer to the global system page used for system calls and other nice things. */ #define AT_SYSINFO 32 #define AT_SYSINFO_EHDR 33 /* Shapes of the caches. Bits 0-3 contains associativity; bits 4-7 contains log2 of line size; mask those to get cache size. */ #define AT_L1I_CACHESHAPE 34 #define AT_L1D_CACHESHAPE 35 #define AT_L2_CACHESHAPE 36 #define AT_L3_CACHESHAPE 37 /* Shapes of the caches, with more room to describe them. *GEOMETRY are comprised of cache line size in bytes in the bottom 16 bits and the cache associativity in the next 16 bits. */ #define AT_L1I_CACHESIZE 40 #define AT_L1I_CACHEGEOMETRY 41 #define AT_L1D_CACHESIZE 42 #define AT_L1D_CACHEGEOMETRY 43 #define AT_L2_CACHESIZE 44 #define AT_L2_CACHEGEOMETRY 45 #define AT_L3_CACHESIZE 46 #define AT_L3_CACHEGEOMETRY 47 #define AT_MINSIGSTKSZ 51 /* Stack needed for signal delivery (AArch64). */