mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-12 14:20:13 +00:00
6213a05545
* sysdeps/unix/sysv/linux/i386/sys/ucontext.h: Prepend REG_ to enum values and macros for register names.
134 lines
3.2 KiB
C
134 lines
3.2 KiB
C
/* Copyright (C) 1997, 1998, 1999, 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 Library General Public License as
|
|
published by the Free Software Foundation; either version 2 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
|
|
Library General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Library General Public
|
|
License along with the GNU C Library; see the file COPYING.LIB. If not,
|
|
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
Boston, MA 02111-1307, USA. */
|
|
|
|
#ifndef _SYS_UCONTEXT_H
|
|
#define _SYS_UCONTEXT_H 1
|
|
|
|
#include <features.h>
|
|
#include <signal.h>
|
|
|
|
/* We need the signal context definitions even if they are not used
|
|
included in <signal.h>. */
|
|
#include <bits/sigcontext.h>
|
|
|
|
/* We also need the definition of the userlevel data representation
|
|
for the register contexts. */
|
|
#include <sys/user.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];
|
|
|
|
#ifdef __USE_GNU
|
|
/* 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
|
|
};
|
|
#endif
|
|
|
|
/* Definitions taken from the kernel headers. */
|
|
struct _libc_fpreg
|
|
{
|
|
unsigned short int significand[4];
|
|
unsigned short int exponent;
|
|
};
|
|
|
|
struct _libc_fpstate
|
|
{
|
|
unsigned long int cw;
|
|
unsigned long int sw;
|
|
unsigned long int tag;
|
|
unsigned long int ipoff;
|
|
unsigned long int cssel;
|
|
unsigned long int dataoff;
|
|
unsigned long int datasel;
|
|
struct _libc_fpreg _st[8];
|
|
unsigned long int status;
|
|
};
|
|
|
|
/* Structure to describe FPU registers. */
|
|
typedef struct _libc_fpstate *fpregset_t;
|
|
|
|
/* Context to describe whole processor state. */
|
|
typedef struct
|
|
{
|
|
gregset_t gregs;
|
|
/* Due to Linux's history we have to use a pointer here. The SysV/i386
|
|
ABI requires a struct with the values. */
|
|
fpregset_t fpregs;
|
|
unsigned long int oldmask;
|
|
unsigned long int cr2;
|
|
} mcontext_t;
|
|
|
|
/* Userlevel context. */
|
|
typedef struct ucontext
|
|
{
|
|
unsigned long int uc_flags;
|
|
struct ucontext *uc_link;
|
|
stack_t uc_stack;
|
|
mcontext_t uc_mcontext;
|
|
__sigset_t uc_sigmask;
|
|
struct _libc_fpstate __fpregs_mem;
|
|
} ucontext_t;
|
|
|
|
#endif /* sys/ucontext.h */
|