1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21 /*      Copyright (c) 1988 AT&T     */
  22 /*        All Rights Reserved   */
  23 
  24 
  25 /*
  26  * Copyright 2014 Garrett D'Amore <garrett@damore.org>
  27  *
  28  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
  29  * Use is subject to license terms.
  30  */
  31 
  32 #ifndef _UCONTEXT_H
  33 #define _UCONTEXT_H
  34 
  35 #include <sys/ucontext.h>
  36 
  37 #if !defined(_XPG4_2) || defined(__EXTENSIONS__)
  38 #include <sys/siginfo.h>
  39 #endif
  40 
  41 #ifdef  __cplusplus
  42 extern "C" {
  43 #endif
  44 
  45 #ifdef __sparc
  46 #ifdef __PRAGMA_REDEFINE_EXTNAME
  47 #pragma redefine_extname        makecontext     __makecontext_v2
  48 #else
  49 #define makecontext     __makecontext_v2
  50 #endif
  51 #endif
  52 
  53 extern int getcontext(ucontext_t *) __RETURNS_TWICE;
  54 #pragma unknown_control_flow(getcontext)
  55 extern int setcontext(const ucontext_t *) __NORETURN;
  56 extern int swapcontext(ucontext_t *_RESTRICT_KYWD,
  57                 const ucontext_t *_RESTRICT_KYWD);
  58 extern void makecontext(ucontext_t *, void(*)(), int, ...);
  59 
  60 #if !defined(_XPG4_2) || defined(__EXTENSIONS__)
  61 extern int walkcontext(const ucontext_t *, int (*)(uintptr_t, int, void *),
  62     void *);
  63 extern int printstack(int);
  64 extern int addrtosymstr(void *, char *, int);
  65 extern int getustack(stack_t **);
  66 extern int setustack(stack_t *);
  67 
  68 extern int stack_getbounds(stack_t *);
  69 extern int stack_setbounds(const stack_t *);
  70 extern int stack_inbounds(void *);
  71 extern int stack_violation(int, const siginfo_t *, const ucontext_t *);
  72 
  73 extern void *_stack_grow(void *);
  74 #endif  /* !_XPG4_2 || __EXTENSIONS__ */
  75 
  76 #ifdef  __cplusplus
  77 }
  78 #endif
  79 
  80 #endif  /* _UCONTEXT_H */