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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
/*
* Copyright 2014 Garrett D'Amore <garrett@damore.org>
*
* Copyright 2008 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/*
* Copyright 2016 Joyent, Inc.
*/
#ifndef _SYS_AUXV_H
#define _SYS_AUXV_H
#include <sys/types.h>
#ifdef __cplusplus
extern "C" {
#endif
#if !defined(_ASM)
typedef struct
{
int a_type;
union {
long a_val;
void *a_ptr;
void (*a_fcn)();
} a_un;
} auxv_t;
#if defined(_SYSCALL32)
typedef struct {
int32_t a_type;
union {
int32_t a_val;
caddr32_t a_ptr;
caddr32_t a_fcn;
} a_un;
} auxv32_t;
#endif /* _SYSCALL32 */
#endif /* _ASM */
#define AT_NULL 0
#define AT_IGNORE 1
#define AT_EXECFD 2
#define AT_PHDR 3 /* &phdr[0] */
#define AT_PHENT 4 /* sizeof(phdr[0]) */
#define AT_PHNUM 5 /* # phdr entries */
#define AT_PAGESZ 6 /* getpagesize(2) */
#define AT_BASE 7 /* ld.so base addr */
#define AT_FLAGS 8 /* processor flags */
#define AT_ENTRY 9 /* a.out entry point */
/*
* These relate to the original PPC ABI document; Linux reused
* the values for other things (see below), so disambiguation of
* these values may require additional context in PPC binaries.
*
* AT_DCACHEBSIZE 10 smallest data cache block size
* AT_ICACHEBSIZE 11 smallest instruction cache block size
* AT_UCACHEBSIZE 12 smallest unified cache block size
*
* These are the values from LSB 1.3, the first five are also described
* in the draft amd64 ABI.
*
* At the time of writing, Solaris doesn't place any of these values into
* the aux vector, except AT_CLKTCK which is placed on the aux vector for
* lx branded processes; also, we do similar things via AT_SUN_ values.
*
* AT_NOTELF 10 program is not ELF?
* AT_UID 11 real user id
* AT_EUID 12 effective user id
* AT_GID 13 real group id
* AT_EGID 14 effective group id
*
* AT_PLATFORM 15
* AT_HWCAP 16
* AT_CLKTCK 17 c.f. _SC_CLK_TCK
* AT_FPUCW 18
*
* AT_DCACHEBSIZE 19 (moved from 10)
* AT_ICACHEBSIZE 20 (moved from 11)
* AT_UCACHEBSIZE 21 (moved from 12)
*
* AT_IGNOREPPC 22
*/
/*
* Sun extensions begin here
*/
#define AT_SUN_UID 2000 /* effective user id */
#define AT_SUN_RUID 2001 /* real user id */
#define AT_SUN_GID 2002 /* effective group id */
#define AT_SUN_RGID 2003 /* real group id */
/*
* The following attributes are specific to the
* kernel implementation of the linker/loader.
*/
#define AT_SUN_LDELF 2004 /* dynamic linker's ELF header */
#define AT_SUN_LDSHDR 2005 /* dynamic linker's section headers */
#define AT_SUN_LDNAME 2006 /* name of dynamic linker */
#define AT_SUN_LPAGESZ 2007 /* large pagesize */
/*
* The following aux vector provides a null-terminated platform
* identification string. This information is the same as provided
* by sysinfo(2) when invoked with the command SI_PLATFORM.
*/
#define AT_SUN_PLATFORM 2008 /* platform name */
/*
* These attributes communicate performance -hints- about processor
* hardware capabilities that might be useful to library implementations.
*/
#define AT_SUN_HWCAP 2009
#define AT_SUN_HWCAP2 2023
#if defined(_KERNEL)
/*
* User info regarding machine attributes, respectively reported to native and
* non-native user apps.
*/
extern uint_t auxv_hwcap;
extern uint_t auxv_hwcap_2;
#if defined(_SYSCALL32)
extern uint_t auxv_hwcap32;
extern uint_t auxv_hwcap32_2;
#endif /* _SYSCALL32 */
#else
extern uint_t getisax(uint32_t *, uint_t);
#endif /* _KERNEL */
#define AT_SUN_IFLUSH 2010 /* flush icache? */
#define AT_SUN_CPU 2011 /* cpu name */
/*
* The following aux vector provides a pointer to a null-terminated
* path name, a copy of the path name passed to the exec() system
* call but that has had all symlinks resolved (see resolvepath(2)).
*/
#define AT_SUN_EXECNAME 2014 /* exec() path name */
#define AT_SUN_MMU 2015 /* mmu module name */
#define AT_SUN_LDDATA 2016 /* dynamic linkers data segment */
#define AT_SUN_AUXFLAGS 2017 /* AF_SUN_ flags passed from the kernel */
/*
* Used to indicate to the runtime linker the name of the emulation binary,
* if one is being used. For brands, this is the name of the brand library.
*/
#define AT_SUN_EMULATOR 2018
#define AT_SUN_BRANDNAME 2019
/*
* Aux vectors available for brand modules.
*/
#define AT_SUN_BRAND_AUX1 2020
#define AT_SUN_BRAND_AUX2 2021
#define AT_SUN_BRAND_AUX3 2022
/*
* Aux vector for comm page
*/
#define AT_SUN_COMMPAGE 2026
/*
* Note that 2023 is reserved for the AT_SUN_HWCAP2 word defined above.
*/
/*
* The kernel is in a better position to determine whether a process needs to
* ignore dangerous LD environment variables. If set, this flags tells
* ld.so.1 to run "secure" and ignore the the environment.
*/
#define AF_SUN_SETUGID 0x00000001
/*
* If set, this flag indicates that hardware capabilites can be verified
* against the AT_SUN_HWCAP value.
*/
#define AF_SUN_HWCAPVERIFY 0x00000002
/*
* If set, this flag indicates that the the linker should not initialize
* any of its link maps as primary link wrt the unified libc threading
* interfaces.
*/
#define AF_SUN_NOPLM 0x00000004
#ifdef __cplusplus
}
#endif
#if defined(_AUXV_TARGET_ALL) || defined(_AUXV_TARGET_SPARC) || defined(__sparc)
#include <sys/auxv_SPARC.h>
#endif
#if defined(_AUXV_TARGET_ALL) || defined(_AUXV_TARGET_386) || defined(__x86)
#include <sys/auxv_386.h>
#endif
#endif /* _SYS_AUXV_H */
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