/usr/include/x86_64-linux-gnu/bits/auxv.h is in libc6-dev 2.19-0ubuntu6.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 | /* 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
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