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* iconv/iconv_prog.c (main): Handle input file name "-" correctly. Recognize option -s, -c, and -l. 2000-04-20 Thorsten Kukuk <kukuk@suse.de> * nscd/nscd.c: Start new session for nscd, drop privilegs to configured user if requested and no -S parameter are used. * nscd/nscd.conf: Add new option "server-user". * nscd/nscd_conf.c: Add support for new "server-user" option. * nscd/nscd.h: Add declaration for server_user variable. Based on patch by Chris Wing <wingc@engin.umich.edu> 2000-04-29 Mark Kettenis <kettenis@gnu.org> * sysdeps/unix/sysv/linux/i386/sigaction.c: Add comment explaining that changing the __restore and __restore_rt signal return code will break GDB. 2000-04-29 Mark Kettenis <kettenis@gnu.org> * sysdeps/unix/sysv/linux/i386/sys/ucontext.h: Do not include <sys/user.h>. 2000-04-29 Mark Kettenis <kettenis@gnu.org> * conform/data/ucontext.h-data: Allow ss_* instead of SS_*. 2000-04-29 Ulrich Drepper <drepper@redhat.com>
130 lines
3.1 KiB
C
130 lines
3.1 KiB
C
/* Copyright (C) 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#ifndef _SYS_UCONTEXT_H
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#define _SYS_UCONTEXT_H 1
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#include <features.h>
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#include <signal.h>
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/* We need the signal context definitions even if they are not used
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included in <signal.h>. */
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#include <bits/sigcontext.h>
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/* Type for general register. */
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typedef int greg_t;
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/* Number of general registers. */
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#define NGREG 19
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/* Container for all general registers. */
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typedef greg_t gregset_t[NGREG];
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#ifdef __USE_GNU
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/* Number of each register is the `gregset_t' array. */
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enum
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{
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REG_GS = 0,
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# define REG_GS REG_GS
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REG_FS,
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# define REG_FS REG_FS
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REG_ES,
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# define REG_ES REG_ES
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REG_DS,
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# define REG_DS REG_DS
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REG_EDI,
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# define REG_EDI REG_EDI
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REG_ESI,
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# define REG_ESI REG_ESI
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REG_EBP,
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# define REG_EBP REG_EBP
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REG_ESP,
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# define REG_ESP REG_ESP
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REG_EBX,
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# define REG_EBX REG_EBX
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REG_EDX,
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# define REG_EDX REG_EDX
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REG_ECX,
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# define REG_ECX REG_ECX
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REG_EAX,
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# define REG_EAX REG_EAX
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REG_TRAPNO,
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# define REG_TRAPNO REG_TRAPNO
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REG_ERR,
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# define REG_ERR REG_ERR
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REG_EIP,
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# define REG_EIP REG_EIP
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REG_CS,
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# define REG_CS REG_CS
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REG_EFL,
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# define REG_EFL REG_EFL
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REG_UESP,
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# define REG_UESP REG_UESP
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REG_SS
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# define REG_SS REG_SS
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};
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#endif
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/* Definitions taken from the kernel headers. */
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struct _libc_fpreg
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{
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unsigned short int significand[4];
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unsigned short int exponent;
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};
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struct _libc_fpstate
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{
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unsigned long int cw;
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unsigned long int sw;
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unsigned long int tag;
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unsigned long int ipoff;
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unsigned long int cssel;
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unsigned long int dataoff;
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unsigned long int datasel;
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struct _libc_fpreg _st[8];
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unsigned long int status;
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};
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/* Structure to describe FPU registers. */
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typedef struct _libc_fpstate *fpregset_t;
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/* Context to describe whole processor state. */
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typedef struct
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{
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gregset_t gregs;
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/* Due to Linux's history we have to use a pointer here. The SysV/i386
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ABI requires a struct with the values. */
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fpregset_t fpregs;
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unsigned long int oldmask;
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unsigned long int cr2;
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} mcontext_t;
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/* Userlevel context. */
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typedef struct ucontext
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{
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unsigned long int uc_flags;
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struct ucontext *uc_link;
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stack_t uc_stack;
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mcontext_t uc_mcontext;
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__sigset_t uc_sigmask;
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struct _libc_fpstate __fpregs_mem;
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} ucontext_t;
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#endif /* sys/ucontext.h */
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