Mercurial > hg > graal-jvmci-8
comparison src/share/vm/runtime/perfMemory.hpp @ 14518:d8041d695d19
Merged with jdk9/dev/hotspot changeset 3812c088b945
author | twisti |
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date | Tue, 11 Mar 2014 18:45:59 -0700 |
parents | 63a4eb8bcd23 |
children | 4ca6dc0799b6 |
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14141:f97c5ec83832 | 14518:d8041d695d19 |
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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 |