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8044269: Analysis of archive files

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Add checksum verification.

Reviewed-by: iklam, dholmes, mschoene
This commit is contained in:
Jiangli Zhou 2014-10-14 18:47:46 -07:00
parent a71432a188
commit ad65e81ce7
7 changed files with 72 additions and 5 deletions
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5
hotspot/src/share/vm/memory/metaspaceShared.cpp
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@ -608,6 +608,7 @@ void VM_PopulateDumpSharedSpace::doit() {
// 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);
@ -937,9 +938,13 @@ bool MetaspaceShared::map_shared_spaces(FileMapInfo* mapinfo) {
// 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()) &&
mapinfo->validate_classpath_entry_table()) {
// Success (no need to do anything)