/usr/s390x-linux-gnu/include/sys/ucontext.h is in libc6-dev-s390x-cross 2.23-0ubuntu3cross1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 | /* Copyright (C) 2000-2016 Free Software Foundation, Inc.
Contributed by Denis Joseph Barrow (djbarrow@de.ibm.com).
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/>. */
#ifndef _SYS_UCONTEXT_H
#define _SYS_UCONTEXT_H 1
/* Forward definition to avoid parse errors */
struct ucontext;
typedef struct ucontext ucontext_t;
#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>
/* Type for a program status word. */
typedef struct
{
unsigned long mask;
unsigned long addr;
} __attribute__ ((__aligned__(8))) __psw_t;
/* Type for a general-purpose register. */
typedef unsigned long greg_t;
/* And the whole bunch of them. We should have used `struct s390_regs',
but to avoid name space pollution and since the tradition says that
the register set is an array, we make gregset_t a simple array
that has the same size as s390_regs. This is needed for the
elf_prstatus structure. */
#if __WORDSIZE == 64
# define NGREG 27
#else
# define NGREG 36
#endif
/* Must match kernels psw_t alignment. */
typedef greg_t gregset_t[NGREG] __attribute__ ((__aligned__(8)));
typedef union
{
double d;
float f;
} fpreg_t;
/* Register set for the floating-point registers. */
typedef struct
{
unsigned int fpc;
fpreg_t fprs[16];
} fpregset_t;
/* Context to describe whole processor state. */
typedef struct
{
__psw_t psw;
unsigned long gregs[16];
unsigned int aregs[16];
fpregset_t fpregs;
} mcontext_t;
/* Userlevel context. */
struct ucontext
{
unsigned long int uc_flags;
struct ucontext *uc_link;
stack_t uc_stack;
mcontext_t uc_mcontext;
__sigset_t uc_sigmask;
};
#endif /* sys/ucontext.h */
|