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443728bb | 1 | /* Backward compatibility unwind routines. |
99dee823 | 2 | Copyright (C) 2004-2021 Free Software Foundation, Inc. |
443728bb L |
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 | |
748086b7 | 8 | the Free Software Foundation; either version 3, or (at your option) |
443728bb L |
9 | any later version. |
10 | ||
443728bb L |
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 | ||
748086b7 JJ |
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/>. */ | |
443728bb L |
24 | |
25 | #if defined (USE_GAS_SYMVER) && defined (USE_LIBUNWIND_EXCEPTIONS) | |
7a774cac JB |
26 | #include "tconfig.h" |
27 | #include "tsystem.h" | |
443728bb L |
28 | #include "unwind.h" |
29 | #include "unwind-dw2-fde.h" | |
30 | #include "unwind-compat.h" | |
31 | ||
32 | extern _Unwind_Reason_Code __libunwind_Unwind_Backtrace | |
33 | (_Unwind_Trace_Fn, void *); | |
34 | ||
56e449d3 | 35 | _Unwind_Reason_Code LIBGCC2_UNWIND_ATTRIBUTE |
443728bb L |
36 | _Unwind_Backtrace (_Unwind_Trace_Fn trace, void *trace_argument) |
37 | { | |
38 | return __libunwind_Unwind_Backtrace (trace, trace_argument); | |
39 | } | |
40 | symver (_Unwind_Backtrace, GCC_3.3); | |
41 | ||
42 | extern void __libunwind_Unwind_DeleteException | |
43 | (struct _Unwind_Exception *); | |
44 | ||
45 | void | |
46 | _Unwind_DeleteException (struct _Unwind_Exception *exc) | |
47 | { | |
48 | return __libunwind_Unwind_DeleteException (exc); | |
49 | } | |
50 | symver (_Unwind_DeleteException, GCC_3.0); | |
51 | ||
52 | extern void * __libunwind_Unwind_FindEnclosingFunction (void *); | |
53 | ||
54 | void * | |
55 | _Unwind_FindEnclosingFunction (void *pc) | |
56 | { | |
57 | return __libunwind_Unwind_FindEnclosingFunction (pc); | |
58 | } | |
59 | symver (_Unwind_FindEnclosingFunction, GCC_3.3); | |
60 | ||
61 | extern _Unwind_Reason_Code __libunwind_Unwind_ForcedUnwind | |
62 | (struct _Unwind_Exception *, _Unwind_Stop_Fn, void *); | |
63 | ||
56e449d3 | 64 | _Unwind_Reason_Code LIBGCC2_UNWIND_ATTRIBUTE |
443728bb L |
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 | } | |
70 | symver (_Unwind_ForcedUnwind, GCC_3.0); | |
71 | ||
72 | extern _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 | } | |
80 | symver (_Unwind_GetCFA, GCC_3.3); | |
81 | ||
82 | #ifdef __ia64__ | |
83 | extern _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 | } | |
91 | symver (_Unwind_GetBSP, GCC_3.3.2); | |
92 | #else | |
93 | extern _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 | } | |
101 | symver (_Unwind_GetDataRelBase, GCC_3.0); | |
102 | ||
103 | extern _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 | } | |
111 | symver (_Unwind_GetTextRelBase, GCC_3.0); | |
112 | #endif | |
113 | ||
114 | extern _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 | } | |
122 | symver (_Unwind_GetGR, GCC_3.0); | |
123 | ||
124 | extern _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 | } | |
131 | symver (_Unwind_GetIP, GCC_3.0); | |
132 | ||
754e45a8 JJ |
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 | ||
443728bb L |
140 | extern void *__libunwind_Unwind_GetLanguageSpecificData |
141 | (struct _Unwind_Context *); | |
142 | ||
143 | void * | |
144 | _Unwind_GetLanguageSpecificData (struct _Unwind_Context *context) | |
145 | { | |
146 | return __libunwind_Unwind_GetLanguageSpecificData (context); | |
147 | } | |
148 | symver (_Unwind_GetLanguageSpecificData, GCC_3.0); | |
149 | ||
150 | extern _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 | } | |
158 | symver (_Unwind_GetRegionStart, GCC_3.0); | |
159 | ||
160 | extern _Unwind_Reason_Code __libunwind_Unwind_RaiseException | |
161 | (struct _Unwind_Exception *); | |
162 | ||
56e449d3 | 163 | _Unwind_Reason_Code LIBGCC2_UNWIND_ATTRIBUTE |
443728bb L |
164 | _Unwind_RaiseException(struct _Unwind_Exception *exc) |
165 | { | |
166 | return __libunwind_Unwind_RaiseException (exc); | |
167 | } | |
168 | symver (_Unwind_RaiseException, GCC_3.0); | |
169 | ||
170 | extern void __libunwind_Unwind_Resume (struct _Unwind_Exception *); | |
171 | ||
56e449d3 | 172 | void LIBGCC2_UNWIND_ATTRIBUTE |
443728bb L |
173 | _Unwind_Resume (struct _Unwind_Exception *exc) |
174 | { | |
175 | __libunwind_Unwind_Resume (exc); | |
176 | } | |
177 | symver (_Unwind_Resume, GCC_3.0); | |
178 | ||
179 | extern _Unwind_Reason_Code __libunwind_Unwind_Resume_or_Rethrow | |
180 | (struct _Unwind_Exception *); | |
181 | ||
56e449d3 | 182 | _Unwind_Reason_Code LIBGCC2_UNWIND_ATTRIBUTE |
443728bb L |
183 | _Unwind_Resume_or_Rethrow (struct _Unwind_Exception *exc) |
184 | { | |
185 | return __libunwind_Unwind_Resume_or_Rethrow (exc); | |
186 | } | |
187 | symver (_Unwind_Resume_or_Rethrow, GCC_3.3); | |
188 | ||
189 | extern void __libunwind_Unwind_SetGR | |
190 | (struct _Unwind_Context *, int, _Unwind_Word); | |
191 | ||
192 | void | |
193 | _Unwind_SetGR (struct _Unwind_Context *context, int index, | |
b8698a0f | 194 | _Unwind_Word val) |
443728bb L |
195 | { |
196 | __libunwind_Unwind_SetGR (context, index, val); | |
197 | } | |
198 | symver (_Unwind_SetGR, GCC_3.0); | |
199 | ||
200 | extern void __libunwind_Unwind_SetIP | |
201 | (struct _Unwind_Context *, _Unwind_Ptr); | |
202 | ||
203 | void | |
204 | _Unwind_SetIP (struct _Unwind_Context *context, _Unwind_Ptr val) | |
205 | { | |
206 | return __libunwind_Unwind_SetIP (context, val); | |
207 | } | |
208 | symver (_Unwind_SetIP, GCC_3.0); | |
209 | #endif |