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openflow/usr/include/arm-linux-gnueabihf/sys/ucontext.h

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+/* Copyright (C) 1998-2016 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/ARM 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 used
+   included in <signal.h>.  */
+#include <bits/sigcontext.h>
+
+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
+{
+  REG_R0 = 0,
+#define REG_R0	REG_R0
+  REG_R1 = 1,
+#define REG_R1	REG_R1
+  REG_R2 = 2,
+#define REG_R2	REG_R2
+  REG_R3 = 3,
+#define REG_R3	REG_R3
+  REG_R4 = 4,
+#define REG_R4	REG_R4
+  REG_R5 = 5,
+#define REG_R5	REG_R5
+  REG_R6 = 6,
+#define REG_R6	REG_R6
+  REG_R7 = 7,
+#define REG_R7	REG_R7
+  REG_R8 = 8,
+#define REG_R8	REG_R8
+  REG_R9 = 9,
+#define REG_R9	REG_R9
+  REG_R10 = 10,
+#define REG_R10	REG_R10
+  REG_R11 = 11,
+#define REG_R11	REG_R11
+  REG_R12 = 12,
+#define REG_R12	REG_R12
+  REG_R13 = 13,
+#define REG_R13	REG_R13
+  REG_R14 = 14,
+#define REG_R14	REG_R14
+  REG_R15 = 15
+#define REG_R15	REG_R15
+};
+
+struct _libc_fpstate
+{
+  struct
+  {
+    unsigned int sign1:1;
+    unsigned int unused:15;
+    unsigned int sign2:1;
+    unsigned int exponent:14;
+    unsigned int j:1;
+    unsigned int mantissa1:31;
+    unsigned int mantissa0:32;
+  } fpregs[8];
+  unsigned int fpsr:32;
+  unsigned int fpcr:32;
+  unsigned char ftype[8];
+  unsigned int init_flag;
+};
+/* Structure to describe FPU registers.  */
+typedef struct _libc_fpstate fpregset_t;
+
+/* Context to describe whole processor state.  This only describes
+   the core registers; coprocessor registers get saved elsewhere
+   (e.g. in uc_regspace, or somewhere unspecified on the stack
+   during non-RT signal handlers).  */
+typedef struct sigcontext mcontext_t;
+
+/* Userlevel context.  */
+typedef struct ucontext
+  {
+    unsigned long uc_flags;
+    struct ucontext *uc_link;
+    stack_t uc_stack;
+    mcontext_t uc_mcontext;
+    __sigset_t uc_sigmask;
+    unsigned long uc_regspace[128] __attribute__((__aligned__(8)));
+  } ucontext_t;
+
+#endif /* sys/ucontext.h */