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.\" Hey Emacs! This file is -*- nroff -*- source.
.\"
.\" Copyright (C) 2003 Andi Kleen
.\"
.\" Permission is granted to make and distribute verbatim copies of this
.\" manual provided the copyright notice and this permission notice are
.\" preserved on all copies.
.\"
.\" Permission is granted to copy and distribute modified versions of this
.\" manual under the conditions for verbatim copying, provided that the
.\" entire resulting derived work is distributed under the terms of a
.\" permission notice identical to this one.
.\"
.\" Since the Linux kernel and libraries are constantly changing, this
.\" manual page may be incorrect or out-of-date. The author(s) assume no
.\" responsibility for errors or omissions, or for damages resulting from
.\" the use of the information contained herein. The author(s) may not
.\" have taken the same level of care in the production of this manual,
.\" which is licensed free of charge, as they might when working
.\" professionally.
.\"
.\" Formatted or processed versions of this manual, if unaccompanied by
.\" the source, must acknowledge the copyright and authors of this work.
.\"
.\" Japanese Version Copyright (c) 2004 Yuichi SATO
.\" all rights reserved.
.\" Translated Tue Jun 8 04:02:32 JST 2004
.\" by Yuichi SATO <ysato444@yahoo.co.jp>
.\"
.TH ARCH_PRCTL 2 2003-02-02 "Linux 2.4.20" "Linux Programmer's Manual"
.SH ̾
arch_prctl \- ƥͭΥåɾ֤ꤹ
.SH
.B #include <asm/prctl.h>
.sp
.B #include <sys/prctl.h>
.sp
.BI "int arch_prctl(int code, unsigned long addr)"
.SH
.B arch_prctl
ؿϥƥͭΥץ֤ޤϥåɾ֤ꤹ롣
.I code
ǽ
.I addr
ǽϤ
.LP
x86-64 ǽϰʲ̤:
.TP
.B ARCH_SET_FS
.I FS
쥸 64 ӥåȥ١
.I addr
ꤹ롣
.TP
.B ARCH_GET_FS
ߤΥåɤ
.I FS
쥸 64 ӥåȥ١ͤ
.I addr
ѥǻؤ
.I unsigned long
ǻꤹ롣
.TP
.B ARCH_SET_GS
.I GS
쥸 64 ӥåȥ١
.I addr
ꤹ롣
.TP
.B ARCH_GET_GS
ߤΥåɤ
.I GS
쥸 64 ӥåȥ١ͤ
.I addr
ѥǻؤ
.I unsigned long
ǻꤹ롣
.SH
.I arch_prctl
ϸߤΤȤ Linux/x86-64 64 ӥåȥץǤΤߥݡȤƤ롣
32 ӥåȥȥ쥯ɤ줿硢
64 ӥåȥ١ѹ롣
.B ARCH_SET_GS
̵ˤƤ륫ͥ⤢롣
64 ӥåȥȥ١ΥƥȥåϡǤ롣
LDT
.BR modify_ldt (2)
ꤷƥȥ쥯Ȥ
2.5 ͥ
.BR set_thread_area (2)
ƥॳȤȤˤꡢ
32 ӥåȥ١ꤹȤ®ؼʤ⤢롣
4GB 礭ʥ١ꤷˤΤߡ
.B arch_prctl
ɬפǤ롣
ɥ쥹֤κǽ 2GB ˤϡ
.BR mmap (2)
.I MAP_32BIT
ե饰ꤷƳƤ뤳ȤǤ롣
glibc 2.2 ˤ
.I arch_prctl
Υץȥפʤ
ΤȤ桼ϼʬȤɬפ롣
Ͼ glibc ΥСǽ
.I FS
ϥåɥ饤֥Ǵ˻ȤƤ뤫⤷ʤ
.SH 顼
.TP
.B EFAULT
.I addr
ޥåפ줿ɥ쥹ؤƤ뤫ץɥ쥹֤γˤ롣
.TP
.B EINVAL
.I code
ͭʥ֥ޥɤǤʤ
.TP
.B EPERM
.I addr
ץɥ쥹֤γˤ롣
.SH
man ڡ Andi Kleen ˤäƽ줿
.SH
.I arch_prctl
Linux/x86-64 ĥǤꡢܿտޤץǤϻȤ٤Ǥʤ
.SH Ϣ
.BR mmap (2),
.BR modify_ldt (2),
.BR prctl (2),
.BR set_thread_area (2)
.sp
AMD X86-64 Programmer's manual
|
