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1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #import "chrome/browser/mac/exception_processor.h" | 5 #import "chrome/browser/mac/exception_processor.h" |
6 | 6 |
7 #include <dlfcn.h> | 7 #include <dlfcn.h> |
8 #import <Foundation/Foundation.h> | 8 #import <Foundation/Foundation.h> |
9 #include <libunwind.h> | 9 #include <libunwind.h> |
10 #include <objc/objc-exception.h> | 10 #include <objc/objc-exception.h> |
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162 } | 162 } |
163 } | 163 } |
164 | 164 |
165 // This handler does not belong to us, so continue the search. | 165 // This handler does not belong to us, so continue the search. |
166 continue; | 166 continue; |
167 } | 167 } |
168 | 168 |
169 // Check if the function is one that is known to obscure (by way of | 169 // Check if the function is one that is known to obscure (by way of |
170 // catch-and-rethrow) exception stack traces. If it is, sinkhole it | 170 // catch-and-rethrow) exception stack traces. If it is, sinkhole it |
171 // by crashing here at the point of throw. | 171 // by crashing here at the point of throw. |
172 for (const auto& sinkhole : kExceptionSinkholes) { | 172 for (const char* sinkhole : kExceptionSinkholes) { |
173 if (strcmp(sinkhole, proc_name) == 0) { | 173 if (strcmp(sinkhole, proc_name) == 0) { |
174 TERMINATING_FROM_UNCAUGHT_NSEXCEPTION(exception); | 174 TERMINATING_FROM_UNCAUGHT_NSEXCEPTION(exception); |
175 } | 175 } |
176 } | 176 } |
177 | 177 |
178 DVLOG(1) << "Stopping search for exception handler at " << proc_name; | 178 DVLOG(1) << "Stopping search for exception handler at " << proc_name; |
179 | 179 |
180 break; | 180 break; |
181 } | 181 } |
182 } | 182 } |
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195 g_next_preprocessor = | 195 g_next_preprocessor = |
196 objc_setExceptionPreprocessor(&ObjcExceptionPreprocessor); | 196 objc_setExceptionPreprocessor(&ObjcExceptionPreprocessor); |
197 } | 197 } |
198 | 198 |
199 void UninstallObjcExceptionPreprocessor() { | 199 void UninstallObjcExceptionPreprocessor() { |
200 objc_setExceptionPreprocessor(g_next_preprocessor); | 200 objc_setExceptionPreprocessor(g_next_preprocessor); |
201 g_next_preprocessor = nullptr; | 201 g_next_preprocessor = nullptr; |
202 } | 202 } |
203 | 203 |
204 } // namespace chrome | 204 } // namespace chrome |
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