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comparison src/share/vm/prims/jvmtiRedefineClasses.hpp @ 2177:3582bf76420e

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6990754: Use native memory and reference counting to implement SymbolTable Summary: move symbols from permgen into C heap and reference count them Reviewed-by: never, acorn, jmasa, stefank
author coleenp
date Thu, 27 Jan 2011 16:11:27 -0800
parents f95d63e2154a
children 1d1603768966
comparison
equal deleted inserted replaced
2176:27e4ea99855d 2177:3582bf76420e
221 // validated. After the entire constant pool has been parsed, the index 221 // validated. After the entire constant pool has been parsed, the index
222 // values can be validated and then the entries are converted into 222 // values can be validated and then the entries are converted into
223 // JVM_CONSTANT_UnresolvedClass and JVM_CONSTANT_UnresolvedString 223 // JVM_CONSTANT_UnresolvedClass and JVM_CONSTANT_UnresolvedString
224 // entries. During this conversion process, the UTF8 values that are 224 // entries. During this conversion process, the UTF8 values that are
225 // indirectly referenced by the JVM_CONSTANT_ClassIndex and 225 // indirectly referenced by the JVM_CONSTANT_ClassIndex and
226 // JVM_CONSTANT_StringIndex entries are changed into symbolOops and the 226 // JVM_CONSTANT_StringIndex entries are changed into Symbol*s and the
227 // entries are modified to refer to the symbolOops. This optimization 227 // entries are modified to refer to the Symbol*s. This optimization
228 // eliminates one level of indirection for those two CP entry types and 228 // eliminates one level of indirection for those two CP entry types and
229 // gets the entries ready for verification. During class file parsing 229 // gets the entries ready for verification. During class file parsing
230 // it is also possible for JVM_CONSTANT_UnresolvedString entries to be 230 // it is also possible for JVM_CONSTANT_UnresolvedString entries to be
231 // resolved into JVM_CONSTANT_String entries. Verification expects to 231 // resolved into JVM_CONSTANT_String entries. Verification expects to
232 // find JVM_CONSTANT_UnresolvedClass and either JVM_CONSTANT_String or 232 // find JVM_CONSTANT_UnresolvedClass and either JVM_CONSTANT_String or