15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24 #ifndef SHARE_VM_LOGGING_LOGTAG_HPP
25 #define SHARE_VM_LOGGING_LOGTAG_HPP
26
27 #include "memory/allocation.hpp"
28 #include "utilities/globalDefinitions.hpp"
29
30 // List of available logging tags. New tags should be added here.
31 // (The tags 'all', 'disable' and 'help' are special tags that can
32 // not be used in log calls, and should not be listed below.)
33 #define LOG_TAG_LIST \
34 LOG_TAG(defaultmethods) \
35 LOG_TAG(logging) \
36 LOG_TAG(safepoint) \
37 LOG_TAG(vmoperation)
38
39 #define PREFIX_LOG_TAG(T) (LogTag::T)
40
41 // Expand a set of log tags to their prefixed names.
42 // For error detection purposes, the macro passes one more tag than what is supported.
43 // If too many tags are given, a static assert in the log class will fail.
44 #define LOG_TAGS_EXPANDED(T0, T1, T2, T3, T4, T5, ...) PREFIX_LOG_TAG(T0), PREFIX_LOG_TAG(T1), PREFIX_LOG_TAG(T2), \
45 PREFIX_LOG_TAG(T3), PREFIX_LOG_TAG(T4), PREFIX_LOG_TAG(T5)
46 // The EXPAND_VARARGS macro is required for MSVC, or it will resolve the LOG_TAGS_EXPANDED macro incorrectly.
47 #define EXPAND_VARARGS(x) x
48 #define LOG_TAGS(...) EXPAND_VARARGS(LOG_TAGS_EXPANDED(__VA_ARGS__, __NO_TAG, __NO_TAG, __NO_TAG, __NO_TAG, __NO_TAG, __NO_TAG))
49
50 // Log tags are used to classify log messages.
51 // Each log message can be assigned between 1 to LogTag::MaxTags number of tags.
52 // Specifying multiple tags for a log message means that only outputs configured
53 // for those exact tags, or a subset of the tags with a wildcard, will see the logging.
54 // Multiple tags should be comma separated, e.g. log_error(tag1, tag2)("msg").
55 class LogTag : public AllStatic {
56 public:
57 // The maximum number of tags that a single log message can have.
|
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24 #ifndef SHARE_VM_LOGGING_LOGTAG_HPP
25 #define SHARE_VM_LOGGING_LOGTAG_HPP
26
27 #include "memory/allocation.hpp"
28 #include "utilities/globalDefinitions.hpp"
29
30 // List of available logging tags. New tags should be added here.
31 // (The tags 'all', 'disable' and 'help' are special tags that can
32 // not be used in log calls, and should not be listed below.)
33 #define LOG_TAG_LIST \
34 LOG_TAG(defaultmethods) \
35 LOG_TAG(itables) \
36 LOG_TAG(logging) \
37 LOG_TAG(safepoint) \
38 LOG_TAG(vmoperation) \
39 LOG_TAG(vtables)
40
41 #define PREFIX_LOG_TAG(T) (LogTag::T)
42
43 // Expand a set of log tags to their prefixed names.
44 // For error detection purposes, the macro passes one more tag than what is supported.
45 // If too many tags are given, a static assert in the log class will fail.
46 #define LOG_TAGS_EXPANDED(T0, T1, T2, T3, T4, T5, ...) PREFIX_LOG_TAG(T0), PREFIX_LOG_TAG(T1), PREFIX_LOG_TAG(T2), \
47 PREFIX_LOG_TAG(T3), PREFIX_LOG_TAG(T4), PREFIX_LOG_TAG(T5)
48 // The EXPAND_VARARGS macro is required for MSVC, or it will resolve the LOG_TAGS_EXPANDED macro incorrectly.
49 #define EXPAND_VARARGS(x) x
50 #define LOG_TAGS(...) EXPAND_VARARGS(LOG_TAGS_EXPANDED(__VA_ARGS__, __NO_TAG, __NO_TAG, __NO_TAG, __NO_TAG, __NO_TAG, __NO_TAG))
51
52 // Log tags are used to classify log messages.
53 // Each log message can be assigned between 1 to LogTag::MaxTags number of tags.
54 // Specifying multiple tags for a log message means that only outputs configured
55 // for those exact tags, or a subset of the tags with a wildcard, will see the logging.
56 // Multiple tags should be comma separated, e.g. log_error(tag1, tag2)("msg").
57 class LogTag : public AllStatic {
58 public:
59 // The maximum number of tags that a single log message can have.
|