10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
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
25 #ifndef SHARE_VM_JFR_CHECKPOINT_TYPES_TRACEID_JFRTRACEIDBITS_INLINE_HPP
26 #define SHARE_VM_JFR_CHECKPOINT_TYPES_TRACEID_JFRTRACEIDBITS_INLINE_HPP
27
28 #include "jfr/utilities/jfrTypes.hpp"
29 #include "runtime/atomic.hpp"
30 #include "runtime/orderAccess.inline.hpp"
31 #include "utilities/macros.hpp"
32
33 #ifdef VM_LITTLE_ENDIAN
34 static const int low_offset = 0;
35 static const int leakp_offset = low_offset + 1;
36 #else
37 static const int low_offset = 7;
38 static const int leakp_offset = low_offset - 1;
39 #endif
40
41 inline void set_bits(jbyte bits, jbyte* const dest) {
42 assert(dest != NULL, "invariant");
43 const jbyte current = OrderAccess::load_acquire(dest);
44 if (bits != (current & bits)) {
45 *dest |= bits;
46 }
47 }
48
49 inline void set_mask(jbyte mask, jbyte* const dest) {
50 assert(dest != NULL, "invariant");
|
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
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
25 #ifndef SHARE_VM_JFR_CHECKPOINT_TYPES_TRACEID_JFRTRACEIDBITS_INLINE_HPP
26 #define SHARE_VM_JFR_CHECKPOINT_TYPES_TRACEID_JFRTRACEIDBITS_INLINE_HPP
27
28 #include "jfr/utilities/jfrTypes.hpp"
29 #include "runtime/atomic.hpp"
30 #include "runtime/orderAccess.hpp"
31 #include "utilities/macros.hpp"
32
33 #ifdef VM_LITTLE_ENDIAN
34 static const int low_offset = 0;
35 static const int leakp_offset = low_offset + 1;
36 #else
37 static const int low_offset = 7;
38 static const int leakp_offset = low_offset - 1;
39 #endif
40
41 inline void set_bits(jbyte bits, jbyte* const dest) {
42 assert(dest != NULL, "invariant");
43 const jbyte current = OrderAccess::load_acquire(dest);
44 if (bits != (current & bits)) {
45 *dest |= bits;
46 }
47 }
48
49 inline void set_mask(jbyte mask, jbyte* const dest) {
50 assert(dest != NULL, "invariant");
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