From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 21619 invoked by alias); 28 Jul 2013 06:19:10 -0000 Mailing-List: contact glibc-bugs-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Post: List-Help: , Sender: glibc-bugs-owner@sourceware.org Received: (qmail 21512 invoked by uid 48); 28 Jul 2013 06:19:05 -0000 From: "Petr.Salinger at seznam dot cz" To: glibc-bugs@sourceware.org Subject: [Bug libc/15794] move AT_* constants definition from elf.h into sysdeps (bits) directory Date: Sun, 28 Jul 2013 06:19:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: glibc X-Bugzilla-Component: libc X-Bugzilla-Version: unspecified X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: Petr.Salinger at seznam dot cz X-Bugzilla-Status: NEW X-Bugzilla-Priority: P2 X-Bugzilla-Assigned-To: unassigned at sourceware dot org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-Bugzilla-URL: http://sourceware.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-SW-Source: 2013-07/txt/msg00169.txt.bz2 http://sourceware.org/bugzilla/show_bug.cgi?id=15794 --- Comment #3 from Petr.Salinger at seznam dot cz --- I would rather consider the AT_* constants as constants in errno.h There is a common base, with the same numbers (0-9). But there are also some constants with same meaning and different numbers and constants with same number but completely different meaning. The original problem is http://bugs.debian.org//cgi-bin/bugreport.cgi?bug=717912 https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git/tree/include/uapi/linux/auxvec.h #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_PLATFORM 15 /* string identifying CPU for optimizations */ #define AT_HWCAP 16 /* arch dependent hints at CPU capabilities */ #define AT_CLKTCK 17 /* frequency at which times() increments */ /* AT_* values 18 through 22 are reserved */ #define AT_SECURE 23 /* secure mode boolean */ #define AT_BASE_PLATFORM 24 /* string identifying real platform, may * differ from AT_PLATFORM. */ #define AT_RANDOM 25 /* address of 16 random bytes */ #define AT_HWCAP2 26 /* extension of AT_HWCAP */ #define AT_EXECFN 31 /* filename of program */ http://svnweb.freebsd.org/base/head/sys/x86/include/elf.h: /* Values for a_type. */ #define AT_NULL 0 /* Terminates the vector. */ #define AT_IGNORE 1 /* Ignored entry. */ #define AT_EXECFD 2 /* File descriptor of program to load. */ #define AT_PHDR 3 /* Program header of program already loaded. */ #define AT_PHENT 4 /* Size of each program header entry. */ #define AT_PHNUM 5 /* Number of program header entries. */ #define AT_PAGESZ 6 /* Page size in bytes. */ #define AT_BASE 7 /* Interpreter's base address. */ #define AT_FLAGS 8 /* Flags (unused for i386). */ #define AT_ENTRY 9 /* Where interpreter should transfer control. */ #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_EXECPATH 15 /* Path to the executable. */ #define AT_CANARY 16 /* Canary for SSP. */ #define AT_CANARYLEN 17 /* Length of the canary. */ #define AT_OSRELDATE 18 /* OSRELDATE. */ #define AT_NCPUS 19 /* Number of CPUs. */ #define AT_PAGESIZES 20 /* Pagesizes. */ #define AT_PAGESIZESLEN 21 /* Number of pagesizes. */ #define AT_TIMEKEEP 22 /* Pointer to timehands. */ #define AT_STACKPROT 23 /* Initial stack protection. */ http://www.openbsd.org/cgi-bin/cvsweb/src/sys/sys/exec_elf.h enum AuxID { AUX_null = 0, AUX_ignore = 1, AUX_execfd = 2, AUX_phdr = 3, /* &phdr[0] */ AUX_phent = 4, /* sizeof(phdr[0]) */ AUX_phnum = 5, /* # phdr entries */ AUX_pagesz = 6, /* PAGESIZE */ AUX_base = 7, /* ld.so base addr */ AUX_flags = 8, /* processor flags */ AUX_entry = 9, /* a.out entry */ AUX_sun_uid = 2000, /* euid */ AUX_sun_ruid = 2001, /* ruid */ AUX_sun_gid = 2002, /* egid */ AUX_sun_rgid = 2003 /* rgid */ }; http://cvsweb.netbsd.org/bsdweb.cgi/~checkout~/src/sys/sys/exec_elf.h /* a_type */ #define AT_NULL 0 /* Marks end of array */ #define AT_IGNORE 1 /* No meaning, a_un is undefined */ #define AT_EXECFD 2 /* Open file descriptor of object file */ #define AT_PHDR 3 /* &phdr[0] */ #define AT_PHENT 4 /* sizeof(phdr[0]) */ #define AT_PHNUM 5 /* # phdr entries */ #define AT_PAGESZ 6 /* PAGESIZE */ #define AT_BASE 7 /* Interpreter base addr */ #define AT_FLAGS 8 /* Processor flags */ #define AT_ENTRY 9 /* Entry address of executable */ #define AT_DCACHEBSIZE 10 /* Data cache block size */ #define AT_ICACHEBSIZE 11 /* Instruction cache block size */ #define AT_UCACHEBSIZE 12 /* Unified cache block size */ #define AT_STACKBASE 13 /* Base address of the main thread */ /* Vendor specific */ #define AT_MIPS_NOTELF 10 /* XXX a_val != 0 -> MIPS XCOFF executable */ #define AT_EUID 2000 /* euid (solaris compatible numbers) */ #define AT_RUID 2001 /* ruid (solaris compatible numbers) */ #define AT_EGID 2002 /* egid (solaris compatible numbers) */ #define AT_RGID 2003 /* rgid (solaris compatible numbers) */ /* Solaris kernel specific */ #define AT_SUN_LDELF 2004 /* dynamic linker's ELF header */ #define AT_SUN_LDSHDR 2005 /* dynamic linker's section header */ #define AT_SUN_LDNAME 2006 /* dynamic linker's name */ #define AT_SUN_LPGSIZE 2007 /* large pagesize */ /* Other information */ #define AT_SUN_PLATFORM 2008 /* sysinfo(SI_PLATFORM) */ #define AT_SUN_HWCAP 2009 /* process hardware capabilities */ #define AT_SUN_IFLUSH 2010 /* do we need to flush the instruction cache? */ #define AT_SUN_CPU 2011 /* CPU name */ /* ibcs2 emulation band aid */ #define AT_SUN_EMUL_ENTRY 2012 /* coff entry point */ #define AT_SUN_EMUL_EXECFD 2013 /* coff file descriptor */ /* Executable's fully resolved name */ #define AT_SUN_EXECNAME 2014 -- You are receiving this mail because: You are on the CC list for the bug.