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8243996: Remove hardcoded field offsets from HotSpot

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Reviewed-by: jrose, coleenp, dholmes, fparain
This commit is contained in:
Erik Österlund 2020-05-20 09:31:38 +00:00
parent c3e3459027
commit 6508c5a38d
14 changed files with 109 additions and 114 deletions
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17
src/hotspot/share/classfile/classFileParser.cpp
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@ -4200,23 +4200,6 @@ void ClassFileParser::layout_fields(ConstantPool* cp,
bool compact_fields = true;
bool allocate_oops_first = false;
// The next classes have predefined hard-coded fields offsets
// (see in JavaClasses::compute_hard_coded_offsets()).
// Use default fields allocation order for them.
if (_loader_data->class_loader() == NULL &&
(_class_name == vmSymbols::java_lang_ref_Reference() ||
_class_name == vmSymbols::java_lang_Boolean() ||
_class_name == vmSymbols::java_lang_Character() ||
_class_name == vmSymbols::java_lang_Float() ||
_class_name == vmSymbols::java_lang_Double() ||
_class_name == vmSymbols::java_lang_Byte() ||
_class_name == vmSymbols::java_lang_Short() ||
_class_name == vmSymbols::java_lang_Integer() ||
_class_name == vmSymbols::java_lang_Long())) {
allocate_oops_first = true; // Allocate oops first
compact_fields = false; // Don't compact fields
}
int next_nonstatic_oop_offset = 0;
int next_nonstatic_double_offset = 0;