1/* Backward compatibility unwind routines. 2 Copyright (C) 2004, 2005, 2006 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, 51 Franklin Street, Fifth Floor, Boston, MA 29 02110-1301, USA. */ 30 31#if defined (USE_GAS_SYMVER) && defined (USE_LIBUNWIND_EXCEPTIONS) 32#include "tconfig.h" 33#include "tsystem.h" 34#include "unwind.h" 35#include "unwind-dw2-fde.h" 36#include "unwind-compat.h" 37 38extern _Unwind_Reason_Code __libunwind_Unwind_Backtrace 39 (_Unwind_Trace_Fn, void *); 40 41_Unwind_Reason_Code 42_Unwind_Backtrace (_Unwind_Trace_Fn trace, void *trace_argument) 43{ 44 return __libunwind_Unwind_Backtrace (trace, trace_argument); 45} 46symver (_Unwind_Backtrace, GCC_3.3); 47 48extern void __libunwind_Unwind_DeleteException 49 (struct _Unwind_Exception *); 50 51void 52_Unwind_DeleteException (struct _Unwind_Exception *exc) 53{ 54 return __libunwind_Unwind_DeleteException (exc); 55} 56symver (_Unwind_DeleteException, GCC_3.0); 57 58extern void * __libunwind_Unwind_FindEnclosingFunction (void *); 59 60void * 61_Unwind_FindEnclosingFunction (void *pc) 62{ 63 return __libunwind_Unwind_FindEnclosingFunction (pc); 64} 65symver (_Unwind_FindEnclosingFunction, GCC_3.3); 66 67extern _Unwind_Reason_Code __libunwind_Unwind_ForcedUnwind 68 (struct _Unwind_Exception *, _Unwind_Stop_Fn, void *); 69 70_Unwind_Reason_Code 71_Unwind_ForcedUnwind (struct _Unwind_Exception *exc, 72 _Unwind_Stop_Fn stop, void * stop_argument) 73{ 74 return __libunwind_Unwind_ForcedUnwind (exc, stop, stop_argument); 75} 76symver (_Unwind_ForcedUnwind, GCC_3.0); 77 78extern _Unwind_Word __libunwind_Unwind_GetCFA 79 (struct _Unwind_Context *); 80 81_Unwind_Word 82_Unwind_GetCFA (struct _Unwind_Context *context) 83{ 84 return __libunwind_Unwind_GetCFA (context); 85} 86symver (_Unwind_GetCFA, GCC_3.3); 87 88#ifdef __ia64__ 89extern _Unwind_Word __libunwind_Unwind_GetBSP 90 (struct _Unwind_Context *); 91 92_Unwind_Word 93_Unwind_GetBSP (struct _Unwind_Context * context) 94{ 95 return __libunwind_Unwind_GetBSP (context); 96} 97symver (_Unwind_GetBSP, GCC_3.3.2); 98#else 99extern _Unwind_Ptr __libunwind_Unwind_GetDataRelBase 100 (struct _Unwind_Context *); 101 102_Unwind_Ptr 103_Unwind_GetDataRelBase (struct _Unwind_Context *context) 104{ 105 return __libunwind_Unwind_GetDataRelBase (context); 106} 107symver (_Unwind_GetDataRelBase, GCC_3.0); 108 109extern _Unwind_Ptr __libunwind_Unwind_GetTextRelBase 110 (struct _Unwind_Context *); 111 112_Unwind_Ptr 113_Unwind_GetTextRelBase (struct _Unwind_Context *context) 114{ 115 return __libunwind_Unwind_GetTextRelBase (context); 116} 117symver (_Unwind_GetTextRelBase, GCC_3.0); 118#endif 119 120extern _Unwind_Word __libunwind_Unwind_GetGR 121 (struct _Unwind_Context *, int ); 122 123_Unwind_Word 124_Unwind_GetGR (struct _Unwind_Context *context, int index) 125{ 126 return __libunwind_Unwind_GetGR (context, index); 127} 128symver (_Unwind_GetGR, GCC_3.0); 129 130extern _Unwind_Ptr __libunwind_Unwind_GetIP (struct _Unwind_Context *); 131 132_Unwind_Ptr 133_Unwind_GetIP (struct _Unwind_Context *context) 134{ 135 return __libunwind_Unwind_GetIP (context); 136} 137symver (_Unwind_GetIP, GCC_3.0); 138 139_Unwind_Ptr 140_Unwind_GetIPInfo (struct _Unwind_Context *context, int *ip_before_insn) 141{ 142 *ip_before_insn = 0; 143 return __libunwind_Unwind_GetIP (context); 144} 145 146extern void *__libunwind_Unwind_GetLanguageSpecificData 147 (struct _Unwind_Context *); 148 149void * 150_Unwind_GetLanguageSpecificData (struct _Unwind_Context *context) 151{ 152 return __libunwind_Unwind_GetLanguageSpecificData (context); 153} 154symver (_Unwind_GetLanguageSpecificData, GCC_3.0); 155 156extern _Unwind_Ptr __libunwind_Unwind_GetRegionStart 157 (struct _Unwind_Context *); 158 159_Unwind_Ptr 160_Unwind_GetRegionStart (struct _Unwind_Context *context) 161{ 162 return __libunwind_Unwind_GetRegionStart (context); 163} 164symver (_Unwind_GetRegionStart, GCC_3.0); 165 166extern _Unwind_Reason_Code __libunwind_Unwind_RaiseException 167 (struct _Unwind_Exception *); 168 169_Unwind_Reason_Code 170_Unwind_RaiseException(struct _Unwind_Exception *exc) 171{ 172 return __libunwind_Unwind_RaiseException (exc); 173} 174symver (_Unwind_RaiseException, GCC_3.0); 175 176extern void __libunwind_Unwind_Resume (struct _Unwind_Exception *); 177 178void 179_Unwind_Resume (struct _Unwind_Exception *exc) 180{ 181 __libunwind_Unwind_Resume (exc); 182} 183symver (_Unwind_Resume, GCC_3.0); 184 185extern _Unwind_Reason_Code __libunwind_Unwind_Resume_or_Rethrow 186 (struct _Unwind_Exception *); 187 188_Unwind_Reason_Code 189_Unwind_Resume_or_Rethrow (struct _Unwind_Exception *exc) 190{ 191 return __libunwind_Unwind_Resume_or_Rethrow (exc); 192} 193symver (_Unwind_Resume_or_Rethrow, GCC_3.3); 194 195extern void __libunwind_Unwind_SetGR 196 (struct _Unwind_Context *, int, _Unwind_Word); 197 198void 199_Unwind_SetGR (struct _Unwind_Context *context, int index, 200 _Unwind_Word val) 201{ 202 __libunwind_Unwind_SetGR (context, index, val); 203} 204symver (_Unwind_SetGR, GCC_3.0); 205 206extern void __libunwind_Unwind_SetIP 207 (struct _Unwind_Context *, _Unwind_Ptr); 208 209void 210_Unwind_SetIP (struct _Unwind_Context *context, _Unwind_Ptr val) 211{ 212 return __libunwind_Unwind_SetIP (context, val); 213} 214symver (_Unwind_SetIP, GCC_3.0); 215#endif 216