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8256320: ZGC: Update zDebug to support UseCompressedClassPointers

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Reviewed-by: pliden
This commit is contained in:
Stefan Karlsson 2020-11-13 12:23:08 +00:00
parent 5973e91cc3
commit c8dd0b53ee
1 changed files with 6 additions and 1 deletions
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7
src/hotspot/share/gc/z/zDebug.gdb
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@ -50,7 +50,12 @@ define zpo
end
printf "\t Page: %llu\n", ((uintptr_t)$obj & ZAddressOffsetMask) >> ZGranuleSizeShift
x/16gx $obj
printf "Mark: 0x%016llx\tKlass: %s\n", (uintptr_t)$obj->_mark, (char*)$obj->_metadata->_klass->_name->_body
if (UseCompressedClassPointers)
set $klass = (Klass*)(void*)((uintptr_t)CompressedKlassPointers::_narrow_klass._base +((uintptr_t)$obj->_metadata->_compressed_klass << CompressedKlassPointers::_narrow_klass._shift))
else
set $klass = $obj->_metadata->_klass
end
printf "Mark: 0x%016llx\tKlass: %s\n", (uintptr_t)$obj->_mark, (char*)$klass->_name->_body
end
# Print heap page by page table index