mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-23 05:20:06 +00:00
41bdb6e20c
2001-07-06 Paul Eggert <eggert@twinsun.com> * manual/argp.texi: Remove ignored LGPL copyright notice; it's not appropriate for documentation anyway. * manual/libc-texinfo.sh: "Library General Public License" -> "Lesser General Public License". 2001-07-06 Andreas Jaeger <aj@suse.de> * All files under GPL/LGPL version 2: Place under LGPL version 2.1.
121 lines
2.6 KiB
C
121 lines
2.6 KiB
C
/* Copyright (C) 1997,99,2000 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, write to the Free
|
|
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
|
02111-1307 USA. */
|
|
|
|
/* System V/i386 ABI compliant context switching support. */
|
|
|
|
#ifndef _SYS_UCONTEXT_H
|
|
#define _SYS_UCONTEXT_H 1
|
|
|
|
#include <features.h>
|
|
#include <signal.h>
|
|
|
|
/* Type for general register. */
|
|
typedef int greg_t;
|
|
|
|
/* Number of general registers. */
|
|
#define NGREG 19
|
|
|
|
/* Container for all general registers. */
|
|
typedef greg_t gregset_t[NGREG];
|
|
|
|
/* Number of each register is the `gregset_t' array. */
|
|
enum
|
|
{
|
|
REG_GS = 0,
|
|
#define REG_GS REG_GS
|
|
REG_FS,
|
|
#define REG_FS REG_FS
|
|
REG_ES,
|
|
#define REG_ES REG_ES
|
|
REG_DS,
|
|
#define REG_DS REG_DS
|
|
REG_EDI,
|
|
#define REG_EDI REG_EDI
|
|
REG_ESI,
|
|
#define REG_ESI REG_ESI
|
|
REG_EBP,
|
|
#define REG_EBP REG_EBP
|
|
REG_ESP,
|
|
#define REG_ESP REG_ESP
|
|
REG_EBX,
|
|
#define REG_EBX REG_EBX
|
|
REG_EDX,
|
|
#define REG_EDX REG_EDX
|
|
REG_ECX,
|
|
#define REG_ECX REG_ECX
|
|
REG_EAX,
|
|
#define REG_EAX REG_EAX
|
|
REG_TRAPNO,
|
|
#define REG_TRAPNO REG_TRAPNO
|
|
REG_ERR,
|
|
#define REG_ERR REG_ERR
|
|
REG_EIP,
|
|
#define REG_EIP REG_EIP
|
|
REG_CS,
|
|
#define REG_CS REG_CS
|
|
REG_EFL,
|
|
#define REG_EFL REG_EFL
|
|
REG_UESP,
|
|
#define REG_UESP REG_UESP
|
|
REG_SS
|
|
#define REG_SS REG_SS
|
|
};
|
|
|
|
/* Structure to describe FPU registers. */
|
|
typedef struct fpregset
|
|
{
|
|
union
|
|
{
|
|
struct fpchip_state
|
|
{
|
|
int state[27];
|
|
int status;
|
|
} fpchip_state;
|
|
|
|
struct fp_emul_space
|
|
{
|
|
char fp_emul[246];
|
|
char fp_epad[2];
|
|
} fp_emul_space;
|
|
|
|
int f_fpregs[62];
|
|
} fp_reg_set;
|
|
|
|
long int f_wregs[33];
|
|
} fpregset_t;
|
|
|
|
/* Context to describe whole processor state. */
|
|
typedef struct
|
|
{
|
|
gregset_t gregs;
|
|
fpregset_t fpregs;
|
|
} mcontext_t;
|
|
|
|
/* Userlevel context. */
|
|
typedef struct ucontext
|
|
{
|
|
unsigned long int uc_flags;
|
|
struct ucontext *uc_link;
|
|
__sigset_t uc_sigmask;
|
|
stack_t uc_stack;
|
|
mcontext_t uc_mcontext;
|
|
long int uc_filler[5];
|
|
} ucontext_t;
|
|
|
|
#endif /* sys/ucontext.h */
|