/usr/src/uts/common/sys/auxv.h
C Header | 220 lines | 84 code | 31 blank | 105 comment | 4 complexity | 5856b7d01f7d6a51522ac8394ff00e27 MD5 | raw file
- /*
- * 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 2008 Sun Microsystems, Inc. All rights reserved.
- * Use is subject to license terms.
- */
- #ifndef _SYS_AUXV_H
- #define _SYS_AUXV_H
- #pragma ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.2 */
- #include <sys/types.h>
- #ifdef __cplusplus
- extern "C" {
- #endif
- #if !defined(_ASM)
- typedef struct
- {
- int a_type;
- union {
- long a_val;
- #ifdef __STDC__
- void *a_ptr;
- #else
- char *a_ptr;
- #endif
- 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
- #if defined(_KERNEL)
- /*
- * User info regarding machine attributes, respectively reported to native and
- * non-native user apps.
- */
- extern uint_t auxv_hwcap;
- #if defined(_SYSCALL32)
- extern uint_t auxv_hwcap32;
- #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
- /*
- * 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 */