gcc/unwind-compat.c

   1 /* Backward compatibility unwind routines.
   2    Copyright (C) 2004
   3    Free Software Foundation, Inc.
   4
   5    This file is part of GCC.
   6
   7    GCC is free software; you can redistribute it and/or modify it
   8    under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 2, or (at your option)
  10    any later version.
  11
  12    In addition to the permissions in the GNU General Public License, the
  13    Free Software Foundation gives you unlimited permission to link the
  14    compiled version of this file into combinations with other programs,
  15    and to distribute those combinations without any restriction coming
  16    from the use of this file.  (The General Public License restrictions
  17    do apply in other respects; for example, they cover modification of
  18    the file, and distribution when not linked into a combined
  19    executable.)
  20
  21    GCC is distributed in the hope that it will be useful, but WITHOUT
  22    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  23    or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
  24    License for more details.
  25
  26    You should have received a copy of the GNU General Public License
  27    along with GCC; see the file COPYING.  If not, write to the Free
  28    Software Foundation, 59 Temple Place - Suite 330, Boston, MA
  29    02111-1307, USA.  */
  30
  31 #if defined (USE_GAS_SYMVER) && defined (USE_LIBUNWIND_EXCEPTIONS)
  32 #include "unwind.h"
  33 #include "unwind-dw2-fde.h"
  34 #include "unwind-compat.h"
  35
  36 extern _Unwind_Reason_Code __libunwind_Unwind_Backtrace
  37   (_Unwind_Trace_Fn, void *);
  38
  39 _Unwind_Reason_Code
  40 _Unwind_Backtrace (_Unwind_Trace_Fn trace, void *trace_argument)
  41 {
  42   return __libunwind_Unwind_Backtrace (trace, trace_argument);
  43 }
  44 symver (_Unwind_Backtrace, GCC_3.3);
  45
  46 extern void __libunwind_Unwind_DeleteException
  47   (struct _Unwind_Exception *);
  48
  49 void
  50 _Unwind_DeleteException (struct _Unwind_Exception *exc)
  51 {
  52   return __libunwind_Unwind_DeleteException (exc);
  53 }
  54 symver (_Unwind_DeleteException, GCC_3.0);
  55
  56 extern void * __libunwind_Unwind_FindEnclosingFunction (void *);
  57
  58 void *
  59 _Unwind_FindEnclosingFunction (void *pc)
  60 {
  61   return __libunwind_Unwind_FindEnclosingFunction (pc);
  62 }
  63 symver (_Unwind_FindEnclosingFunction, GCC_3.3);
  64
  65 extern _Unwind_Reason_Code __libunwind_Unwind_ForcedUnwind
  66   (struct _Unwind_Exception *, _Unwind_Stop_Fn, void *);
  67
  68 _Unwind_Reason_Code
  69 _Unwind_ForcedUnwind (struct _Unwind_Exception *exc,
  70                       _Unwind_Stop_Fn stop, void * stop_argument)
  71 {
  72   return __libunwind_Unwind_ForcedUnwind (exc, stop, stop_argument);
  73 }
  74 symver (_Unwind_ForcedUnwind, GCC_3.0);
  75
  76 extern _Unwind_Word __libunwind_Unwind_GetCFA
  77   (struct _Unwind_Context *);
  78
  79 _Unwind_Word
  80 _Unwind_GetCFA (struct _Unwind_Context *context)
  81 {
  82   return __libunwind_Unwind_GetCFA (context);
  83 }
  84 symver (_Unwind_GetCFA, GCC_3.3);
  85
  86 #ifdef __ia64__
  87 extern _Unwind_Word __libunwind_Unwind_GetBSP
  88   (struct _Unwind_Context *);
  89
  90 _Unwind_Word
  91 _Unwind_GetBSP (struct _Unwind_Context * context)
  92 {
  93   return __libunwind_Unwind_GetBSP (context);
  94 }
  95 symver (_Unwind_GetBSP, GCC_3.3.2);
  96 #else
  97 extern _Unwind_Ptr __libunwind_Unwind_GetDataRelBase
  98   (struct _Unwind_Context *);
  99
 100 _Unwind_Ptr
 101 _Unwind_GetDataRelBase (struct _Unwind_Context *context)
 102 {
 103   return __libunwind_Unwind_GetDataRelBase (context);
 104 }
 105 symver (_Unwind_GetDataRelBase, GCC_3.0);
 106
 107 extern _Unwind_Ptr __libunwind_Unwind_GetTextRelBase
 108   (struct _Unwind_Context *);
 109
 110 _Unwind_Ptr
 111 _Unwind_GetTextRelBase (struct _Unwind_Context *context)
 112 {
 113   return __libunwind_Unwind_GetTextRelBase (context);
 114 }
 115 symver (_Unwind_GetTextRelBase, GCC_3.0);
 116 #endif
 117
 118 extern _Unwind_Word __libunwind_Unwind_GetGR
 119   (struct _Unwind_Context *, int );
 120
 121 _Unwind_Word
 122 _Unwind_GetGR (struct _Unwind_Context *context, int index)
 123 {
 124   return __libunwind_Unwind_GetGR (context, index);
 125 }
 126 symver (_Unwind_GetGR, GCC_3.0);
 127
 128 extern _Unwind_Ptr __libunwind_Unwind_GetIP (struct _Unwind_Context *);
 129
 130 _Unwind_Ptr
 131 _Unwind_GetIP (struct _Unwind_Context *context)
 132 {
 133   return __libunwind_Unwind_GetIP (context);
 134 }
 135 symver (_Unwind_GetIP, GCC_3.0);
 136
 137 extern void *__libunwind_Unwind_GetLanguageSpecificData
 138   (struct _Unwind_Context *);
 139
 140 void *
 141 _Unwind_GetLanguageSpecificData (struct _Unwind_Context *context)
 142 {
 143   return __libunwind_Unwind_GetLanguageSpecificData (context);
 144 }
 145 symver (_Unwind_GetLanguageSpecificData, GCC_3.0);
 146
 147 extern _Unwind_Ptr __libunwind_Unwind_GetRegionStart
 148   (struct _Unwind_Context *);
 149
 150 _Unwind_Ptr
 151 _Unwind_GetRegionStart (struct _Unwind_Context *context)
 152 {
 153   return __libunwind_Unwind_GetRegionStart (context);
 154 }
 155 symver (_Unwind_GetRegionStart, GCC_3.0);
 156
 157 extern _Unwind_Reason_Code __libunwind_Unwind_RaiseException
 158   (struct _Unwind_Exception *);
 159
 160 _Unwind_Reason_Code
 161 _Unwind_RaiseException(struct _Unwind_Exception *exc)
 162 {
 163   return __libunwind_Unwind_RaiseException (exc);
 164 }
 165 symver (_Unwind_RaiseException, GCC_3.0);
 166
 167 extern void __libunwind_Unwind_Resume (struct _Unwind_Exception *);
 168
 169 void
 170 _Unwind_Resume (struct _Unwind_Exception *exc)
 171 {
 172   __libunwind_Unwind_Resume (exc);
 173 }
 174 symver (_Unwind_Resume, GCC_3.0);
 175
 176 extern _Unwind_Reason_Code __libunwind_Unwind_Resume_or_Rethrow
 177    (struct _Unwind_Exception *);
 178
 179 _Unwind_Reason_Code
 180 _Unwind_Resume_or_Rethrow (struct _Unwind_Exception *exc)
 181 {
 182   return __libunwind_Unwind_Resume_or_Rethrow (exc);
 183 }
 184 symver (_Unwind_Resume_or_Rethrow, GCC_3.3);
 185
 186 extern void __libunwind_Unwind_SetGR
 187   (struct _Unwind_Context *, int, _Unwind_Word);
 188
 189 void
 190 _Unwind_SetGR (struct _Unwind_Context *context, int index,
 191                _Unwind_Word val)
 192 {
 193   __libunwind_Unwind_SetGR (context, index, val);
 194 }
 195 symver (_Unwind_SetGR, GCC_3.0);
 196
 197 extern void __libunwind_Unwind_SetIP
 198   (struct _Unwind_Context *, _Unwind_Ptr);
 199
 200 void
 201 _Unwind_SetIP (struct _Unwind_Context *context, _Unwind_Ptr val)
 202 {
 203   return __libunwind_Unwind_SetIP (context, val);
 204 }
 205 symver (_Unwind_SetIP, GCC_3.0);
 206 #endif