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7150058: Allocate symbols from null boot loader to an arena for NMT

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Move symbol allocation to an arena so NMT doesn't have to track them at startup.

Reviewed-by: never, kamg, zgu
This commit is contained in:
Coleen Phillimore 2012-03-23 11:16:05 -04:00
parent 2c07f4154e
commit 1431a5efd1
11 changed files with 162 additions and 126 deletions
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14
hotspot/src/share/vm/classfile/classFileParser.cpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -81,7 +81,7 @@
#define JAVA_7_VERSION 51
void ClassFileParser::parse_constant_pool_entries(constantPoolHandle cp, int length, TRAPS) {
void ClassFileParser::parse_constant_pool_entries(Handle class_loader, constantPoolHandle cp, int length, TRAPS) {
// Use a local copy of ClassFileStream. It helps the C++ compiler to optimize
// this function (_current can be allocated in a register, with scalar
// replacement of aggregates). The _current pointer is copied back to
@ -272,7 +272,7 @@ void ClassFileParser::parse_constant_pool_entries(constantPoolHandle cp, int len
indices[names_count] = index;
hashValues[names_count++] = hash;
if (names_count == SymbolTable::symbol_alloc_batch_size) {
SymbolTable::new_symbols(cp, names_count, names, lengths, indices, hashValues, CHECK);
SymbolTable::new_symbols(class_loader, cp, names_count, names, lengths, indices, hashValues, CHECK);
names_count = 0;
}
} else {
@ -289,7 +289,7 @@ void ClassFileParser::parse_constant_pool_entries(constantPoolHandle cp, int len
// Allocate the remaining symbols
if (names_count > 0) {
SymbolTable::new_symbols(cp, names_count, names, lengths, indices, hashValues, CHECK);
SymbolTable::new_symbols(class_loader, cp, names_count, names, lengths, indices, hashValues, CHECK);
}
// Copy _current pointer of local copy back to stream().
@ -318,7 +318,7 @@ class ConstantPoolCleaner : public StackObj {
bool inline valid_cp_range(int index, int length) { return (index > 0 && index < length); }
constantPoolHandle ClassFileParser::parse_constant_pool(TRAPS) {
constantPoolHandle ClassFileParser::parse_constant_pool(Handle class_loader, TRAPS) {
ClassFileStream* cfs = stream();
constantPoolHandle nullHandle;
@ -337,7 +337,7 @@ constantPoolHandle ClassFileParser::parse_constant_pool(TRAPS) {
ConstantPoolCleaner cp_in_error(cp); // set constant pool to be cleaned up.
// parsing constant pool entries
parse_constant_pool_entries(cp, length, CHECK_(nullHandle));
parse_constant_pool_entries(class_loader, cp, length, CHECK_(nullHandle));
int index = 1; // declared outside of loops for portability
@ -2758,7 +2758,7 @@ instanceKlassHandle ClassFileParser::parseClassFile(Symbol* name,
_relax_verify = Verifier::relax_verify_for(class_loader());
// Constant pool
constantPoolHandle cp = parse_constant_pool(CHECK_(nullHandle));
constantPoolHandle cp = parse_constant_pool(class_loader, CHECK_(nullHandle));
ConstantPoolCleaner error_handler(cp); // set constant pool to be cleaned up.
int cp_size = cp->length();