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comparison src/share/vm/runtime/perfMemory.hpp @ 14518:d8041d695d19

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Merged with jdk9/dev/hotspot changeset 3812c088b945
author twisti
date Tue, 11 Mar 2014 18:45:59 -0700
parents 63a4eb8bcd23
children 4ca6dc0799b6
comparison
equal deleted inserted replaced
14141:f97c5ec83832 14518:d8041d695d19
53 * The PerfDataPrologue structure is known by the PerfDataBuffer Java class 53 * The PerfDataPrologue structure is known by the PerfDataBuffer Java class
54 * libraries that read the PerfData memory region. The size and the position 54 * libraries that read the PerfData memory region. The size and the position
55 * of the fields must be changed along with their counterparts in the 55 * of the fields must be changed along with their counterparts in the
56 * PerfDataBuffer Java class. The first four bytes of this structure 56 * PerfDataBuffer Java class. The first four bytes of this structure
57 * should never change, or compatibility problems between the monitoring 57 * should never change, or compatibility problems between the monitoring
58 * applications and Hotspot VMs will result. The reserved fields are 58 * applications and HotSpot VMs will result. The reserved fields are
59 * available for future enhancements. 59 * available for future enhancements.
60 */ 60 */
61 typedef struct { 61 typedef struct {
62 jint magic; // magic number - 0xcafec0c0 62 jint magic; // magic number - 0xcafec0c0
63 jbyte byte_order; // byte order of the buffer 63 jbyte byte_order; // byte order of the buffer