--- old/usr/src/head/ucontext.h
          +++ new/usr/src/head/ucontext.h

   1    1  /*
   2    2   * CDDL HEADER START
   3    3   *
   4    4   * The contents of this file are subject to the terms of the
   5    5   * Common Development and Distribution License (the "License").
   6    6   * You may not use this file except in compliance with the License.
   7    7   *
   8    8   * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9    9   * or http://www.opensolaris.org/os/licensing.
  10   10   * See the License for the specific language governing permissions
  11   11   * and limitations under the License.
  12   12   *
  13   13   * When distributing Covered Code, include this CDDL HEADER in each
  14   14   * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15   15   * If applicable, add the following below this CDDL HEADER, with the
  16   16   * fields enclosed by brackets "[]" replaced with your own identifying
  17   17   * information: Portions Copyright [yyyy] [name of copyright owner]
  18   18   *
  19   19   * CDDL HEADER END
  20   20   */
  21   21  /*      Copyright (c) 1988 AT&T */
  22   22  /*        All Rights Reserved   */
  23   23  
  24   24  
  25   25  /*
  26   26   * Copyright 2014 Garrett D'Amore <garrett@damore.org>
  27   27   * Copyright 2023 Oxide Computer Company
  28   28   *
  29   29   * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
  30   30   * Use is subject to license terms.
  31   31   */
  32   32  
  33   33  #ifndef _UCONTEXT_H
  34   34  #define _UCONTEXT_H
  35   35  
  36   36  #include <sys/ucontext.h>
  37   37  /*
  38   38   * The file sys/regset.h defines indices in the gregset_t array,
  39   39   * such as EIP on i386.  Those defines were historically exposed
  40   40   * via sys/ucontext.h, sys/signal.h, etc. which caused surprises
  41   41   * due to those defines unexpectedly polluting the namespace.
  42   42   * On the other hand, several existing applications assume that
  43   43   * the regset names are defined after an include <ucontext.h>.
  44   44   * To solve both problems at once: <ucontext.h> (this file)
  45   45   * DOES include sys/regset.h for you but <sys/ucontext.h>
  46   46   * does NOT include sys/regset.h anymore.
  47   47   */
  48   48  #if !defined(_XPG4_2) || defined(__EXTENSIONS__)
  49   49  #include <sys/regset.h>
  50   50  #include <sys/siginfo.h>
  51   51  #include <sys/int_types.h>
  52   52  #endif
  53   53  
  54   54  #ifdef  __cplusplus
  55   55  extern "C" {
  56   56  #endif
  57   57  
  58   58  #ifdef __sparc
  59   59  #ifdef __PRAGMA_REDEFINE_EXTNAME
  60   60  #pragma redefine_extname        makecontext     __makecontext_v2
  61   61  #else
  62   62  #define makecontext     __makecontext_v2
  63   63  #endif
  64   64  #endif
  65   65  
  66   66  extern int getcontext(ucontext_t *) __RETURNS_TWICE;
  67   67  #pragma unknown_control_flow(getcontext)
  68   68  extern int setcontext(const ucontext_t *);
  69   69  extern int swapcontext(ucontext_t *_RESTRICT_KYWD,
  70   70                  const ucontext_t *_RESTRICT_KYWD);
  71   71  extern void makecontext(ucontext_t *, void(*)(), int, ...);
  72   72  
  73   73  #if !defined(_XPG4_2) || defined(__EXTENSIONS__)
  74   74  extern ucontext_t *ucontext_alloc(uint32_t);
  75   75  extern void ucontext_free(ucontext_t *);
  76   76  extern int getcontext_extd(ucontext_t *, uint32_t) __RETURNS_TWICE;
  77   77  #pragma unknown_control_flow(getcontext_extd)
  78   78  extern int swapcontext_extd(ucontext_t *_RESTRICT_KYWD, uint32_t,
  79   79                  const ucontext_t *_RESTRICT_KYWD);
  80   80  extern int walkcontext(const ucontext_t *, int (*)(uintptr_t, int, void *),
  81   81      void *);
  82   82  extern int printstack(int);
  83   83  extern int addrtosymstr(void *, char *, int);
  84   84  extern int getustack(stack_t **);
  85   85  extern int setustack(stack_t *);
  86   86  
  87   87  extern int stack_getbounds(stack_t *);
  88   88  extern int stack_setbounds(const stack_t *);
  89   89  extern int stack_inbounds(void *);
  90   90  extern int stack_violation(int, const siginfo_t *, const ucontext_t *);
  91   91  
  92   92  extern void *_stack_grow(void *);
  93   93  #endif  /* !_XPG4_2 || __EXTENSIONS__ */
  94   94  
  95   95  #ifdef  __cplusplus
  96   96  }
  97   97  #endif
  98   98  
  99   99  #endif  /* _UCONTEXT_H */

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