153 LOG_TAG(survivor) \
154 LOG_TAG(sweep) \
155 LOG_TAG(system) \
156 LOG_TAG(table) \
157 LOG_TAG(task) \
158 DEBUG_ONLY(LOG_TAG(test)) \
159 LOG_TAG(thread) \
160 LOG_TAG(tlab) \
161 LOG_TAG(time) \
162 LOG_TAG(timer) \
163 LOG_TAG(tracking) \
164 LOG_TAG(update) \
165 LOG_TAG(unload) /* Trace unloading of classes */ \
166 LOG_TAG(unshareable) \
167 LOG_TAG(mirror) \
168 LOG_TAG(verification) \
169 LOG_TAG(verify) \
170 LOG_TAG(vmoperation) \
171 LOG_TAG(vmthread) \
172 LOG_TAG(vtables) \
173 LOG_TAG(workgang)
174 LOG_TAG_LIST_EXT
175
176 #define PREFIX_LOG_TAG(T) (LogTag::_##T)
177
178 // Expand a set of log tags to their prefixed names.
179 // For error detection purposes, the macro passes one more tag than what is supported.
180 // If too many tags are given, a static assert in the log class will fail.
181 #define LOG_TAGS_EXPANDED(T0, T1, T2, T3, T4, T5, ...) PREFIX_LOG_TAG(T0), PREFIX_LOG_TAG(T1), PREFIX_LOG_TAG(T2), \
182 PREFIX_LOG_TAG(T3), PREFIX_LOG_TAG(T4), PREFIX_LOG_TAG(T5)
183 // The EXPAND_VARARGS macro is required for MSVC, or it will resolve the LOG_TAGS_EXPANDED macro incorrectly.
184 #define EXPAND_VARARGS(x) x
185 #define LOG_TAGS(...) EXPAND_VARARGS(LOG_TAGS_EXPANDED(__VA_ARGS__, _NO_TAG, _NO_TAG, _NO_TAG, _NO_TAG, _NO_TAG, _NO_TAG))
186
187 // Log tags are used to classify log messages.
188 // Each log message can be assigned between 1 to LogTag::MaxTags number of tags.
189 // Specifying multiple tags for a log message means that only outputs configured
190 // for those exact tags, or a subset of the tags with a wildcard, will see the logging.
191 // Multiple tags should be comma separated, e.g. log_error(tag1, tag2)("msg").
192 class LogTag : public AllStatic {
193 public:
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153 LOG_TAG(survivor) \
154 LOG_TAG(sweep) \
155 LOG_TAG(system) \
156 LOG_TAG(table) \
157 LOG_TAG(task) \
158 DEBUG_ONLY(LOG_TAG(test)) \
159 LOG_TAG(thread) \
160 LOG_TAG(tlab) \
161 LOG_TAG(time) \
162 LOG_TAG(timer) \
163 LOG_TAG(tracking) \
164 LOG_TAG(update) \
165 LOG_TAG(unload) /* Trace unloading of classes */ \
166 LOG_TAG(unshareable) \
167 LOG_TAG(mirror) \
168 LOG_TAG(verification) \
169 LOG_TAG(verify) \
170 LOG_TAG(vmoperation) \
171 LOG_TAG(vmthread) \
172 LOG_TAG(vtables) \
173 LOG_TAG(vtablestubs) \
174 LOG_TAG(workgang) \
175 LOG_TAG_LIST_EXT
176
177 #define PREFIX_LOG_TAG(T) (LogTag::_##T)
178
179 // Expand a set of log tags to their prefixed names.
180 // For error detection purposes, the macro passes one more tag than what is supported.
181 // If too many tags are given, a static assert in the log class will fail.
182 #define LOG_TAGS_EXPANDED(T0, T1, T2, T3, T4, T5, ...) PREFIX_LOG_TAG(T0), PREFIX_LOG_TAG(T1), PREFIX_LOG_TAG(T2), \
183 PREFIX_LOG_TAG(T3), PREFIX_LOG_TAG(T4), PREFIX_LOG_TAG(T5)
184 // The EXPAND_VARARGS macro is required for MSVC, or it will resolve the LOG_TAGS_EXPANDED macro incorrectly.
185 #define EXPAND_VARARGS(x) x
186 #define LOG_TAGS(...) EXPAND_VARARGS(LOG_TAGS_EXPANDED(__VA_ARGS__, _NO_TAG, _NO_TAG, _NO_TAG, _NO_TAG, _NO_TAG, _NO_TAG))
187
188 // Log tags are used to classify log messages.
189 // Each log message can be assigned between 1 to LogTag::MaxTags number of tags.
190 // Specifying multiple tags for a log message means that only outputs configured
191 // for those exact tags, or a subset of the tags with a wildcard, will see the logging.
192 // Multiple tags should be comma separated, e.g. log_error(tag1, tag2)("msg").
193 class LogTag : public AllStatic {
194 public:
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