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diff src/share/vm/memory/metaspaceShared.cpp @ 20730:8210e5f2e21b

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8044269: Analysis of archive files. Summary: Add checksum verification. Reviewed-by: iklam, dholmes, mschoene
author jiangli
date Tue, 12 Aug 2014 17:46:16 -0400
parents 78bbf4d43a14
children eaf39a954227 8cb56c8cb30d
line wrap: on
line diff
--- a/src/share/vm/memory/metaspaceShared.cpp	Fri Aug 08 15:15:52 2014 -0700
+++ b/src/share/vm/memory/metaspaceShared.cpp	Tue Aug 12 17:46:16 2014 -0400
@@ -585,6 +585,7 @@
 
   // Pass 2 - write data.
   mapinfo->open_for_write();
+  mapinfo->set_header_crc(mapinfo->compute_header_crc());
   mapinfo->write_header();
   mapinfo->write_space(MetaspaceShared::ro, _loader_data->ro_metaspace(), true);
   mapinfo->write_space(MetaspaceShared::rw, _loader_data->rw_metaspace(), false);
@@ -863,9 +864,13 @@
 
   // Map each shared region
   if ((_ro_base = mapinfo->map_region(ro)) != NULL &&
+       mapinfo->verify_region_checksum(ro) &&
       (_rw_base = mapinfo->map_region(rw)) != NULL &&
+       mapinfo->verify_region_checksum(rw) &&
       (_md_base = mapinfo->map_region(md)) != NULL &&
+       mapinfo->verify_region_checksum(md) &&
       (_mc_base = mapinfo->map_region(mc)) != NULL &&
+       mapinfo->verify_region_checksum(mc) &&
       (image_alignment == (size_t)max_alignment())) {
     // Success (no need to do anything)
     return true;