Mercurial > hg > graal-compiler
view src/share/vm/prims/jvmtiClassFileReconstituter.hpp @ 599:0ad1cb407fa1
6805427: adlc compiler may generate incorrect machnode emission code
Reviewed-by: kvn, twisti
author | never |
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date | Wed, 25 Feb 2009 10:53:14 -0800 |
parents | a61af66fc99e |
children | c18cbe5936b8 |
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/* * Copyright 2005-2006 Sun Microsystems, Inc. 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 * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, * CA 95054 USA or visit www.sun.com if you need additional information or * have any questions. * */ class JvmtiConstantPoolReconstituter : public StackObj { private: int _cpool_size; SymbolHashMap* _symmap; SymbolHashMap* _classmap; constantPoolHandle _cpool; instanceKlassHandle _ikh; jvmtiError _err; protected: instanceKlassHandle ikh() { return _ikh; }; constantPoolHandle cpool() { return _cpool; }; u2 symbol_to_cpool_index(symbolOop sym) { return _symmap->symbol_to_value(sym); } u2 class_symbol_to_cpool_index(symbolOop sym) { return _classmap->symbol_to_value(sym); } public: // Calls to this constructor must be proceeded by a ResourceMark // and a HandleMark JvmtiConstantPoolReconstituter(instanceKlassHandle ikh){ set_error(JVMTI_ERROR_NONE); _ikh = ikh; _cpool = constantPoolHandle(Thread::current(), ikh->constants()); _symmap = new SymbolHashMap(); _classmap = new SymbolHashMap(); _cpool_size = _cpool->hash_entries_to(_symmap, _classmap); if (_cpool_size == 0) { set_error(JVMTI_ERROR_OUT_OF_MEMORY); } else if (_cpool_size < 0) { set_error(JVMTI_ERROR_INTERNAL); } } ~JvmtiConstantPoolReconstituter() { if (_symmap != NULL) { os::free(_symmap); _symmap = NULL; } if (_classmap != NULL) { os::free(_classmap); _classmap = NULL; } } void set_error(jvmtiError err) { _err = err; } jvmtiError get_error() { return _err; } int cpool_size() { return _cpool_size; } void copy_cpool_bytes(unsigned char *cpool_bytes) { if (cpool_bytes == NULL) { assert(cpool_bytes != NULL, "cpool_bytes pointer must not be NULL"); return; } cpool()->copy_cpool_bytes(cpool_size(), _symmap, cpool_bytes); } }; class JvmtiClassFileReconstituter : public JvmtiConstantPoolReconstituter { private: size_t _buffer_size; u1* _buffer; u1* _buffer_ptr; Thread* _thread; enum { // initial size should be power of two initial_buffer_size = 1024 }; inline Thread* thread() { return _thread; } void write_class_file_format(); void write_field_infos(); void write_method_infos(); void write_method_info(methodHandle method); void write_code_attribute(methodHandle method); void write_exceptions_attribute(constMethodHandle const_method); void write_synthetic_attribute(); void write_class_attributes(); void write_source_file_attribute(); void write_source_debug_extension_attribute(); u2 line_number_table_entries(methodHandle method); void write_line_number_table_attribute(methodHandle method, u2 num_entries); void write_stackmap_table_attribute(methodHandle method, int stackmap_table_len); u2 inner_classes_attribute_length(); void write_inner_classes_attribute(int length); void write_signature_attribute(u2 generic_signaure_index); void write_attribute_name_index(const char* name); void write_annotations_attribute(const char* attr_name, typeArrayHandle annos); address writeable_address(size_t size); void write_u1(u1 x); void write_u2(u2 x); void write_u4(u4 x); void write_u8(u8 x); public: // Calls to this constructor must be proceeded by a ResourceMark // and a HandleMark JvmtiClassFileReconstituter(instanceKlassHandle ikh) : JvmtiConstantPoolReconstituter(ikh) { _buffer_size = initial_buffer_size; _buffer = _buffer_ptr = NEW_RESOURCE_ARRAY(u1, _buffer_size); _thread = Thread::current(); write_class_file_format(); }; size_t class_file_size() { return _buffer_ptr - _buffer; } u1* class_file_bytes() { return _buffer; } static void copy_bytecodes(methodHandle method, unsigned char* bytecodes); };