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8020309: Eliminate InstanceKlass::_cached_class_file_len

Browse source 
Use JvmtiCachedClassFileData.

Reviewed-by: iklam, sspitsyn, dcubed
This commit is contained in:
Jiangli Zhou 2013-07-17 18:06:29 -04:00
parent 9a67229e2f
commit 3dfcb4125e
7 changed files with 60 additions and 46 deletions
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6
hotspot/src/share/vm/prims/jvmtiRedefineClasses.cpp
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@ -3342,9 +3342,7 @@ void VM_RedefineClasses::redefine_single_class(jclass the_jclass,
// should get cleared in the_class too.
if (the_class->get_cached_class_file_bytes() == 0) {
// the_class doesn't have a cache yet so copy it
the_class->set_cached_class_file(
scratch_class->get_cached_class_file_bytes(),
scratch_class->get_cached_class_file_len());
the_class->set_cached_class_file(scratch_class->get_cached_class_file());
}
#ifndef PRODUCT
else {
@ -3357,7 +3355,7 @@ void VM_RedefineClasses::redefine_single_class(jclass the_jclass,
// NULL out in scratch class to not delete twice. The class to be redefined
// always owns these bytes.
scratch_class->set_cached_class_file(NULL, 0);
scratch_class->set_cached_class_file(NULL);
// Replace inner_classes
Array<u2>* old_inner_classes = the_class->inner_classes();