mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-05 11:11:04 +00:00
119 lines
2.5 KiB
C
119 lines
2.5 KiB
C
/* Copyright (C) 1997-2017 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, see
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
/* System V/m68k ABI compliant context switching support. */
|
|
|
|
#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 exposed
|
|
by <signal.h>. */
|
|
#include <bits/sigcontext.h>
|
|
#include <bits/sigstack.h>
|
|
|
|
|
|
/* Type for general register. */
|
|
typedef int greg_t;
|
|
|
|
/* Number of general registers. */
|
|
#define NGREG 18
|
|
|
|
/* Container for all general registers. */
|
|
typedef greg_t gregset_t[NGREG];
|
|
|
|
/* Number of each register is the `gregset_t' array. */
|
|
enum
|
|
{
|
|
R_D0 = 0,
|
|
#define R_D0 R_D0
|
|
R_D1 = 1,
|
|
#define R_D1 R_D1
|
|
R_D2 = 2,
|
|
#define R_D2 R_D2
|
|
R_D3 = 3,
|
|
#define R_D3 R_D3
|
|
R_D4 = 4,
|
|
#define R_D4 R_D4
|
|
R_D5 = 5,
|
|
#define R_D5 R_D5
|
|
R_D6 = 6,
|
|
#define R_D6 R_D6
|
|
R_D7 = 7,
|
|
#define R_D7 R_D7
|
|
R_A0 = 8,
|
|
#define R_A0 R_A0
|
|
R_A1 = 9,
|
|
#define R_A1 R_A1
|
|
R_A2 = 10,
|
|
#define R_A2 R_A2
|
|
R_A3 = 11,
|
|
#define R_A3 R_A3
|
|
R_A4 = 12,
|
|
#define R_A4 R_A4
|
|
R_A5 = 13,
|
|
#define R_A5 R_A5
|
|
R_A6 = 14,
|
|
#define R_A6 R_A6
|
|
R_A7 = 15,
|
|
#define R_A7 R_A7
|
|
R_SP = 15,
|
|
#define R_SP R_SP
|
|
R_PC = 16,
|
|
#define R_PC R_PC
|
|
R_PS = 17
|
|
#define R_PS R_PS
|
|
};
|
|
|
|
/* Structure to describe FPU registers. */
|
|
typedef struct fpregset
|
|
{
|
|
int f_pcr;
|
|
int f_psr;
|
|
int f_fpiaddr;
|
|
#ifdef __mcoldfire__
|
|
int f_fpregs[8][2];
|
|
#else
|
|
int f_fpregs[8][3];
|
|
#endif
|
|
} fpregset_t;
|
|
|
|
/* Context to describe whole processor state. */
|
|
typedef struct
|
|
{
|
|
int version;
|
|
gregset_t gregs;
|
|
fpregset_t fpregs;
|
|
} mcontext_t;
|
|
|
|
#define MCONTEXT_VERSION 2
|
|
|
|
/* Userlevel context. */
|
|
typedef struct ucontext
|
|
{
|
|
unsigned long uc_flags;
|
|
struct ucontext *uc_link;
|
|
stack_t uc_stack;
|
|
mcontext_t uc_mcontext;
|
|
unsigned long uc_filler[80];
|
|
__sigset_t uc_sigmask;
|
|
} ucontext_t;
|
|
|
|
#endif /* sys/ucontext.h */
|