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6990754: Use native memory and reference counting to implement SymbolTable

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Move symbols from permgen into C heap and reference count them

Reviewed-by: never, acorn, jmasa, stefank
This commit is contained in:
Coleen Phillimore 2011-01-27 16:11:27 -08:00
parent 950858350d
commit 7b4f8073f0
223 changed files with 3783 additions and 3641 deletions
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11
hotspot/src/share/vm/prims/methodHandleWalk.cpp
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@ -120,6 +120,7 @@ BasicType MethodHandleChain::compute_bound_arg_type(oop target, methodOop m, int
if (cur_slot == arg_slot)
return T_OBJECT;
}
ResourceMark rm(THREAD);
for (SignatureStream ss(m->signature()); !ss.is_done(); ss.next()) {
BasicType bt = ss.type();
cur_slot -= type2size[bt];
@ -961,9 +962,9 @@ MethodHandleCompiler::make_invoke(methodOop m, vmIntrinsics::ID iid,
m = vmIntrinsics::method_for(iid);
}
klassOop klass = m->method_holder();
symbolOop name = m->name();
symbolOop signature = m->signature();
klassOop klass = m->method_holder();
Symbol* name = m->name();
Symbol* signature = m->signature();
if (tailcall) {
// Actually, in order to make these methods more recognizable,
@ -1141,7 +1142,7 @@ constantPoolHandle MethodHandleCompiler::get_constant_pool(TRAPS) const {
for (int i = 1; i < _constants.length(); i++) {
ConstantValue* cv = _constants.at(i);
switch (cv->tag()) {
case JVM_CONSTANT_Utf8: cpool->symbol_at_put( i, cv->symbol_oop() ); break;
case JVM_CONSTANT_Utf8: cpool->symbol_at_put( i, cv->symbol() ); break;
case JVM_CONSTANT_Integer: cpool->int_at_put( i, cv->get_jint() ); break;
case JVM_CONSTANT_Float: cpool->float_at_put( i, cv->get_jfloat() ); break;
case JVM_CONSTANT_Long: cpool->long_at_put( i, cv->get_jlong() ); break;
@ -1331,7 +1332,7 @@ public:
virtual ArgToken make_invoke(methodOop m, vmIntrinsics::ID iid,
Bytecodes::Code op, bool tailcall,
int argc, ArgToken* argv, TRAPS) {
symbolOop name, sig;
Symbol* name, sig;
if (m != NULL) {
name = m->name();
sig = m->signature();