Mercurial > hg > graal-compiler
annotate src/share/vm/prims/jvmtiClassFileReconstituter.hpp @ 10241:d17700c82d7d
8006088: Incompatible heap size flags accepted by VM
Summary: Make processing of minimum, initial and maximum heap size more intiutive by removing previous limitations on allowed values, and make error reporting consistent. Further, fix errors in ergonomic heap sizing.
Reviewed-by: johnc, jwilhelm, tamao
| author | tschatzl |
|---|---|
| date | Mon, 06 May 2013 17:19:42 +0200 |
| parents | 1cb8583c3da8 |
| children | 187154b7a226 |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 * Copyright (c) 2005, 2012, Oracle and/or its affiliates. All rights reserved. |
| 0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
|
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #ifndef SHARE_VM_PRIMS_JVMTICLASSFILERECONSTITUTER_HPP |
| 26 #define SHARE_VM_PRIMS_JVMTICLASSFILERECONSTITUTER_HPP | |
| 27 | |
| 28 #include "jvmtifiles/jvmtiEnv.hpp" | |
| 29 | |
| 0 | 30 |
| 31 class JvmtiConstantPoolReconstituter : public StackObj { | |
| 32 private: | |
| 33 int _cpool_size; | |
| 34 SymbolHashMap* _symmap; | |
| 35 SymbolHashMap* _classmap; | |
| 36 constantPoolHandle _cpool; | |
| 37 instanceKlassHandle _ikh; | |
| 38 jvmtiError _err; | |
| 39 | |
| 40 protected: | |
| 41 instanceKlassHandle ikh() { return _ikh; }; | |
| 42 constantPoolHandle cpool() { return _cpool; }; | |
| 43 | |
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44 u2 symbol_to_cpool_index(Symbol* sym) { |
| 0 | 45 return _symmap->symbol_to_value(sym); |
| 46 } | |
| 47 | |
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48 u2 class_symbol_to_cpool_index(Symbol* sym) { |
| 0 | 49 return _classmap->symbol_to_value(sym); |
| 50 } | |
| 51 | |
| 52 public: | |
| 53 // Calls to this constructor must be proceeded by a ResourceMark | |
| 54 // and a HandleMark | |
| 55 JvmtiConstantPoolReconstituter(instanceKlassHandle ikh){ | |
| 56 set_error(JVMTI_ERROR_NONE); | |
| 57 _ikh = ikh; | |
| 58 _cpool = constantPoolHandle(Thread::current(), ikh->constants()); | |
| 59 _symmap = new SymbolHashMap(); | |
| 60 _classmap = new SymbolHashMap(); | |
| 61 _cpool_size = _cpool->hash_entries_to(_symmap, _classmap); | |
| 62 if (_cpool_size == 0) { | |
| 63 set_error(JVMTI_ERROR_OUT_OF_MEMORY); | |
| 64 } else if (_cpool_size < 0) { | |
| 65 set_error(JVMTI_ERROR_INTERNAL); | |
| 66 } | |
| 67 } | |
| 68 | |
| 69 ~JvmtiConstantPoolReconstituter() { | |
| 70 if (_symmap != NULL) { | |
| 6197 | 71 os::free(_symmap, mtClass); |
| 0 | 72 _symmap = NULL; |
| 73 } | |
| 74 if (_classmap != NULL) { | |
| 6197 | 75 os::free(_classmap, mtClass); |
| 0 | 76 _classmap = NULL; |
| 77 } | |
| 78 } | |
| 79 | |
| 80 | |
| 81 void set_error(jvmtiError err) { _err = err; } | |
| 82 jvmtiError get_error() { return _err; } | |
| 83 | |
| 84 int cpool_size() { return _cpool_size; } | |
| 85 | |
| 86 void copy_cpool_bytes(unsigned char *cpool_bytes) { | |
| 87 if (cpool_bytes == NULL) { | |
| 88 assert(cpool_bytes != NULL, "cpool_bytes pointer must not be NULL"); | |
| 89 return; | |
| 90 } | |
| 91 cpool()->copy_cpool_bytes(cpool_size(), _symmap, cpool_bytes); | |
| 92 } | |
| 93 }; | |
| 94 | |
| 95 | |
| 96 class JvmtiClassFileReconstituter : public JvmtiConstantPoolReconstituter { | |
| 97 private: | |
| 98 size_t _buffer_size; | |
| 99 u1* _buffer; | |
| 100 u1* _buffer_ptr; | |
| 101 Thread* _thread; | |
| 102 | |
| 103 enum { | |
| 104 // initial size should be power of two | |
| 105 initial_buffer_size = 1024 | |
| 106 }; | |
| 107 | |
| 108 inline Thread* thread() { return _thread; } | |
| 109 | |
| 110 void write_class_file_format(); | |
| 111 void write_field_infos(); | |
| 112 void write_method_infos(); | |
| 113 void write_method_info(methodHandle method); | |
| 114 void write_code_attribute(methodHandle method); | |
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115 void write_exceptions_attribute(ConstMethod* const_method); |
| 0 | 116 void write_synthetic_attribute(); |
| 117 void write_class_attributes(); | |
| 118 void write_source_file_attribute(); | |
| 119 void write_source_debug_extension_attribute(); | |
| 120 u2 line_number_table_entries(methodHandle method); | |
| 121 void write_line_number_table_attribute(methodHandle method, u2 num_entries); | |
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122 void write_local_variable_table_attribute(methodHandle method, u2 num_entries); |
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123 void write_local_variable_type_table_attribute(methodHandle method, u2 num_entries); |
| 0 | 124 void write_stackmap_table_attribute(methodHandle method, int stackmap_table_len); |
| 125 u2 inner_classes_attribute_length(); | |
| 126 void write_inner_classes_attribute(int length); | |
| 127 void write_signature_attribute(u2 generic_signaure_index); | |
| 128 void write_attribute_name_index(const char* name); | |
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129 void write_annotations_attribute(const char* attr_name, AnnotationArray* annos); |
| 0 | 130 |
| 131 address writeable_address(size_t size); | |
| 132 void write_u1(u1 x); | |
| 133 void write_u2(u2 x); | |
| 134 void write_u4(u4 x); | |
| 135 void write_u8(u8 x); | |
| 136 | |
| 137 public: | |
| 138 // Calls to this constructor must be proceeded by a ResourceMark | |
| 139 // and a HandleMark | |
| 140 JvmtiClassFileReconstituter(instanceKlassHandle ikh) : | |
| 141 JvmtiConstantPoolReconstituter(ikh) { | |
| 142 _buffer_size = initial_buffer_size; | |
| 143 _buffer = _buffer_ptr = NEW_RESOURCE_ARRAY(u1, _buffer_size); | |
| 144 _thread = Thread::current(); | |
| 145 write_class_file_format(); | |
| 146 }; | |
| 147 | |
| 148 size_t class_file_size() { return _buffer_ptr - _buffer; } | |
| 149 | |
| 150 u1* class_file_bytes() { return _buffer; } | |
| 151 | |
| 152 static void copy_bytecodes(methodHandle method, unsigned char* bytecodes); | |
| 153 }; | |
| 1972 | 154 |
| 155 #endif // SHARE_VM_PRIMS_JVMTICLASSFILERECONSTITUTER_HPP |