1/* Backward compatibility unwind routines. 2 Copyright (C) 2004-2015 Free Software Foundation, Inc. 3 4 This file is part of GCC. 5 6 GCC is free software; you can redistribute it and/or modify it 7 under the terms of the GNU General Public License as published by 8 the Free Software Foundation; either version 3, or (at your option) 9 any later version. 10 11 GCC is distributed in the hope that it will be useful, but WITHOUT 12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 13 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public 14 License for more details. 15 16 Under Section 7 of GPL version 3, you are granted additional 17 permissions described in the GCC Runtime Library Exception, version 18 3.1, as published by the Free Software Foundation. 19 20 You should have received a copy of the GNU General Public License and 21 a copy of the GCC Runtime Library Exception along with this program; 22 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 23 <http://www.gnu.org/licenses/>. */ 24 25#if defined (USE_GAS_SYMVER) && defined (USE_LIBUNWIND_EXCEPTIONS) 26#include "tconfig.h" 27#include "tsystem.h" 28#include "unwind.h" 29#include "unwind-dw2-fde.h" 30#include "unwind-compat.h" 31 32extern _Unwind_Reason_Code __libunwind_Unwind_Backtrace 33 (_Unwind_Trace_Fn, void *); 34 35_Unwind_Reason_Code LIBGCC2_UNWIND_ATTRIBUTE 36_Unwind_Backtrace (_Unwind_Trace_Fn trace, void *trace_argument) 37{ 38 return __libunwind_Unwind_Backtrace (trace, trace_argument); 39} 40symver (_Unwind_Backtrace, GCC_3.3); 41 42extern void __libunwind_Unwind_DeleteException 43 (struct _Unwind_Exception *); 44 45void 46_Unwind_DeleteException (struct _Unwind_Exception *exc) 47{ 48 return __libunwind_Unwind_DeleteException (exc); 49} 50symver (_Unwind_DeleteException, GCC_3.0); 51 52extern void * __libunwind_Unwind_FindEnclosingFunction (void *); 53 54void * 55_Unwind_FindEnclosingFunction (void *pc) 56{ 57 return __libunwind_Unwind_FindEnclosingFunction (pc); 58} 59symver (_Unwind_FindEnclosingFunction, GCC_3.3); 60 61extern _Unwind_Reason_Code __libunwind_Unwind_ForcedUnwind 62 (struct _Unwind_Exception *, _Unwind_Stop_Fn, void *); 63 64_Unwind_Reason_Code LIBGCC2_UNWIND_ATTRIBUTE 65_Unwind_ForcedUnwind (struct _Unwind_Exception *exc, 66 _Unwind_Stop_Fn stop, void * stop_argument) 67{ 68 return __libunwind_Unwind_ForcedUnwind (exc, stop, stop_argument); 69} 70symver (_Unwind_ForcedUnwind, GCC_3.0); 71 72extern _Unwind_Word __libunwind_Unwind_GetCFA 73 (struct _Unwind_Context *); 74 75_Unwind_Word 76_Unwind_GetCFA (struct _Unwind_Context *context) 77{ 78 return __libunwind_Unwind_GetCFA (context); 79} 80symver (_Unwind_GetCFA, GCC_3.3); 81 82#ifdef __ia64__ 83extern _Unwind_Word __libunwind_Unwind_GetBSP 84 (struct _Unwind_Context *); 85 86_Unwind_Word 87_Unwind_GetBSP (struct _Unwind_Context * context) 88{ 89 return __libunwind_Unwind_GetBSP (context); 90} 91symver (_Unwind_GetBSP, GCC_3.3.2); 92#else 93extern _Unwind_Ptr __libunwind_Unwind_GetDataRelBase 94 (struct _Unwind_Context *); 95 96_Unwind_Ptr 97_Unwind_GetDataRelBase (struct _Unwind_Context *context) 98{ 99 return __libunwind_Unwind_GetDataRelBase (context); 100} 101symver (_Unwind_GetDataRelBase, GCC_3.0); 102 103extern _Unwind_Ptr __libunwind_Unwind_GetTextRelBase 104 (struct _Unwind_Context *); 105 106_Unwind_Ptr 107_Unwind_GetTextRelBase (struct _Unwind_Context *context) 108{ 109 return __libunwind_Unwind_GetTextRelBase (context); 110} 111symver (_Unwind_GetTextRelBase, GCC_3.0); 112#endif 113 114extern _Unwind_Word __libunwind_Unwind_GetGR 115 (struct _Unwind_Context *, int ); 116 117_Unwind_Word 118_Unwind_GetGR (struct _Unwind_Context *context, int index) 119{ 120 return __libunwind_Unwind_GetGR (context, index); 121} 122symver (_Unwind_GetGR, GCC_3.0); 123 124extern _Unwind_Ptr __libunwind_Unwind_GetIP (struct _Unwind_Context *); 125 126_Unwind_Ptr 127_Unwind_GetIP (struct _Unwind_Context *context) 128{ 129 return __libunwind_Unwind_GetIP (context); 130} 131symver (_Unwind_GetIP, GCC_3.0); 132 133_Unwind_Ptr 134_Unwind_GetIPInfo (struct _Unwind_Context *context, int *ip_before_insn) 135{ 136 *ip_before_insn = 0; 137 return __libunwind_Unwind_GetIP (context); 138} 139 140extern void *__libunwind_Unwind_GetLanguageSpecificData 141 (struct _Unwind_Context *); 142 143void * 144_Unwind_GetLanguageSpecificData (struct _Unwind_Context *context) 145{ 146 return __libunwind_Unwind_GetLanguageSpecificData (context); 147} 148symver (_Unwind_GetLanguageSpecificData, GCC_3.0); 149 150extern _Unwind_Ptr __libunwind_Unwind_GetRegionStart 151 (struct _Unwind_Context *); 152 153_Unwind_Ptr 154_Unwind_GetRegionStart (struct _Unwind_Context *context) 155{ 156 return __libunwind_Unwind_GetRegionStart (context); 157} 158symver (_Unwind_GetRegionStart, GCC_3.0); 159 160extern _Unwind_Reason_Code __libunwind_Unwind_RaiseException 161 (struct _Unwind_Exception *); 162 163_Unwind_Reason_Code LIBGCC2_UNWIND_ATTRIBUTE 164_Unwind_RaiseException(struct _Unwind_Exception *exc) 165{ 166 return __libunwind_Unwind_RaiseException (exc); 167} 168symver (_Unwind_RaiseException, GCC_3.0); 169 170extern void __libunwind_Unwind_Resume (struct _Unwind_Exception *); 171 172void LIBGCC2_UNWIND_ATTRIBUTE 173_Unwind_Resume (struct _Unwind_Exception *exc) 174{ 175 __libunwind_Unwind_Resume (exc); 176} 177symver (_Unwind_Resume, GCC_3.0); 178 179extern _Unwind_Reason_Code __libunwind_Unwind_Resume_or_Rethrow 180 (struct _Unwind_Exception *); 181 182_Unwind_Reason_Code LIBGCC2_UNWIND_ATTRIBUTE 183_Unwind_Resume_or_Rethrow (struct _Unwind_Exception *exc) 184{ 185 return __libunwind_Unwind_Resume_or_Rethrow (exc); 186} 187symver (_Unwind_Resume_or_Rethrow, GCC_3.3); 188 189extern void __libunwind_Unwind_SetGR 190 (struct _Unwind_Context *, int, _Unwind_Word); 191 192void 193_Unwind_SetGR (struct _Unwind_Context *context, int index, 194 _Unwind_Word val) 195{ 196 __libunwind_Unwind_SetGR (context, index, val); 197} 198symver (_Unwind_SetGR, GCC_3.0); 199 200extern void __libunwind_Unwind_SetIP 201 (struct _Unwind_Context *, _Unwind_Ptr); 202 203void 204_Unwind_SetIP (struct _Unwind_Context *context, _Unwind_Ptr val) 205{ 206 return __libunwind_Unwind_SetIP (context, val); 207} 208symver (_Unwind_SetIP, GCC_3.0); 209#endif 210