mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-19 03:20:05 +00:00
95 lines
2.1 KiB
C
95 lines
2.1 KiB
C
/* Copyright (C) 1998, 1999, 2001 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. */
|
|
|
|
/* System V/ARM ABI compliant context switching support. */
|
|
|
|
#ifndef _SYS_UCONTEXT_H
|
|
#define _SYS_UCONTEXT_H 1
|
|
|
|
#include <features.h>
|
|
#include <signal.h>
|
|
#include <sys/elf.h>
|
|
|
|
typedef int greg_t;
|
|
|
|
/* Number of general registers. */
|
|
#define NGREG 16
|
|
|
|
/* Container for all general registers. */
|
|
typedef elf_gregset_t gregset_t;
|
|
|
|
/* Number of each register is the `gregset_t' array. */
|
|
enum
|
|
{
|
|
R0 = 0,
|
|
#define R0 R0
|
|
R1 = 1,
|
|
#define R1 R1
|
|
R2 = 2,
|
|
#define R2 R2
|
|
R3 = 3,
|
|
#define R3 R3
|
|
R4 = 4,
|
|
#define R4 R4
|
|
R5 = 5,
|
|
#define R5 R5
|
|
R6 = 6,
|
|
#define R6 R6
|
|
R7 = 7,
|
|
#define R7 R7
|
|
R8 = 8,
|
|
#define R8 R8
|
|
R9 = 9,
|
|
#define R9 R9
|
|
R10 = 10,
|
|
#define R10 R10
|
|
R11 = 11,
|
|
#define R11 R11
|
|
R12 = 12,
|
|
#define R12 R12
|
|
R13 = 13,
|
|
#define R13 R13
|
|
R14 = 14,
|
|
#define R14 R14
|
|
R15 = 15
|
|
#define R15 R15
|
|
};
|
|
|
|
/* Structure to describe FPU registers. */
|
|
typedef elf_fpregset_t 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 */
|