1 /* 2 * Copyright (c) 2011, 2019, Oracle and/or its affiliates. All rights reserved. 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 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 #ifndef SHARE_JVMCI_JVMCICODEINSTALLER_HPP 25 #define SHARE_JVMCI_JVMCICODEINSTALLER_HPP 26 27 #include "code/debugInfoRec.hpp" 28 #include "code/exceptionHandlerTable.hpp" 29 #include "code/nativeInst.hpp" 30 #include "jvmci/jvmci.hpp" 31 #include "jvmci/jvmciEnv.hpp" 32 33 #if INCLUDE_AOT 34 class RelocBuffer : public StackObj { 35 enum { stack_size = 1024 }; 36 public: 37 RelocBuffer() : _size(0), _buffer(0) {} 38 ~RelocBuffer(); 39 void ensure_size(size_t bytes); 40 void set_size(size_t bytes); 41 address begin() const; 42 size_t size() const { return _size; } 43 private: 44 size_t _size; 45 char _static_buffer[stack_size]; 46 char *_buffer; 47 }; 48 49 class CodeInstaller; 50 51 class AOTOopRecorder : public OopRecorder { 52 public: 53 AOTOopRecorder(CodeInstaller* code_inst, Arena* arena = NULL, bool deduplicate = false); 54 55 virtual int find_index(Metadata* h); 56 virtual int find_index(jobject h); 57 int nr_meta_refs() const; 58 jobject meta_element(int pos) const; 59 60 private: 61 void record_meta_ref(jobject ref, int index); 62 63 GrowableArray<jobject>* _meta_refs; 64 65 CodeInstaller* _code_inst; 66 }; 67 #endif // INCLUDE_AOT 68 69 class CodeMetadata { 70 public: 71 CodeMetadata() {} 72 73 CodeBlob* get_code_blob() const { return _cb; } 74 75 PcDesc* get_pc_desc() const { return _pc_desc; } 76 int get_nr_pc_desc() const { return _nr_pc_desc; } 77 78 u_char* get_scopes_desc() const { return _scopes_desc; } 79 int get_scopes_size() const { return _nr_scopes_desc; } 80 81 #if INCLUDE_AOT 82 RelocBuffer* get_reloc_buffer() { return &_reloc_buffer; } 83 AOTOopRecorder* get_oop_recorder() { return _oop_recorder; } 84 #endif 85 86 ExceptionHandlerTable* get_exception_table() { return _exception_table; } 87 88 ImplicitExceptionTable* get_implicit_exception_table() { return _implicit_exception_table; } 89 90 void set_pc_desc(PcDesc* desc, int count) { 91 _pc_desc = desc; 92 _nr_pc_desc = count; 93 } 94 95 void set_scopes(u_char* scopes, int size) { 96 _scopes_desc = scopes; 97 _nr_scopes_desc = size; 98 } 99 100 #if INCLUDE_AOT 101 void set_oop_recorder(AOTOopRecorder* recorder) { 102 _oop_recorder = recorder; 103 } 104 #endif 105 106 void set_exception_table(ExceptionHandlerTable* table) { 107 _exception_table = table; 108 } 109 110 void set_implicit_exception_table(ImplicitExceptionTable* table) { 111 _implicit_exception_table = table; 112 } 113 114 private: 115 CodeBlob* _cb; 116 PcDesc* _pc_desc; 117 int _nr_pc_desc; 118 119 u_char* _scopes_desc; 120 int _nr_scopes_desc; 121 122 #if INCLUDE_AOT 123 RelocBuffer _reloc_buffer; 124 AOTOopRecorder* _oop_recorder; 125 #endif 126 ExceptionHandlerTable* _exception_table; 127 ImplicitExceptionTable* _implicit_exception_table; 128 }; 129 130 /* 131 * This class handles the conversion from a InstalledCode to a CodeBlob or an nmethod. 132 */ 133 class CodeInstaller : public StackObj { 134 friend class JVMCIVMStructs; 135 private: 136 enum MarkId { 137 VERIFIED_ENTRY = 1, 138 UNVERIFIED_ENTRY = 2, 139 OSR_ENTRY = 3, 140 EXCEPTION_HANDLER_ENTRY = 4, 141 DEOPT_HANDLER_ENTRY = 5, 142 INVOKEINTERFACE = 6, 143 INVOKEVIRTUAL = 7, 144 INVOKESTATIC = 8, 145 INVOKESPECIAL = 9, 146 INLINE_INVOKE = 10, 147 POLL_NEAR = 11, 148 POLL_RETURN_NEAR = 12, 149 POLL_FAR = 13, 150 POLL_RETURN_FAR = 14, 151 CARD_TABLE_ADDRESS = 15, 152 CARD_TABLE_SHIFT = 16, 153 HEAP_TOP_ADDRESS = 17, 154 HEAP_END_ADDRESS = 18, 155 NARROW_KLASS_BASE_ADDRESS = 19, 156 NARROW_OOP_BASE_ADDRESS = 20, 157 CRC_TABLE_ADDRESS = 21, 158 LOG_OF_HEAP_REGION_GRAIN_BYTES = 22, 159 INLINE_CONTIGUOUS_ALLOCATION_SUPPORTED = 23, 160 INVOKE_INVALID = -1 161 }; 162 163 Arena _arena; 164 JVMCIEnv* _jvmci_env; 165 166 JVMCIPrimitiveArray _data_section_handle; 167 JVMCIObjectArray _data_section_patches_handle; 168 JVMCIObjectArray _sites_handle; 169 #ifndef PRODUCT 170 JVMCIObjectArray _comments_handle; 171 #endif 172 JVMCIPrimitiveArray _code_handle; 173 JVMCIObject _word_kind_handle; 174 175 CodeOffsets _offsets; 176 177 jint _code_size; 178 jint _total_frame_size; 179 jint _orig_pc_offset; 180 jint _parameter_count; 181 jint _constants_size; 182 183 bool _has_wide_vector; 184 185 MarkId _next_call_type; 186 address _invoke_mark_pc; 187 188 CodeSection* _instructions; 189 CodeSection* _constants; 190 191 OopRecorder* _oop_recorder; 192 DebugInformationRecorder* _debug_recorder; 193 Dependencies* _dependencies; 194 ExceptionHandlerTable _exception_handler_table; 195 ImplicitExceptionTable _implicit_exception_table; 196 197 bool _immutable_pic_compilation; // Installer is called for Immutable PIC compilation. 198 199 static ConstantOopWriteValue* _oop_null_scope_value; 200 static ConstantIntValue* _int_m1_scope_value; 201 static ConstantIntValue* _int_0_scope_value; 202 static ConstantIntValue* _int_1_scope_value; 203 static ConstantIntValue* _int_2_scope_value; 204 static LocationValue* _illegal_value; 205 206 jint pd_next_offset(NativeInstruction* inst, jint pc_offset, JVMCIObject method, JVMCI_TRAPS); 207 void pd_patch_OopConstant(int pc_offset, JVMCIObject constant, JVMCI_TRAPS); 208 void pd_patch_MetaspaceConstant(int pc_offset, JVMCIObject constant, JVMCI_TRAPS); 209 void pd_patch_DataSectionReference(int pc_offset, int data_offset, JVMCI_TRAPS); 210 void pd_relocate_ForeignCall(NativeInstruction* inst, jlong foreign_call_destination, JVMCI_TRAPS); 211 void pd_relocate_JavaMethod(CodeBuffer &cbuf, JVMCIObject method, jint pc_offset, JVMCI_TRAPS); 212 void pd_relocate_poll(address pc, jint mark, JVMCI_TRAPS); 213 214 JVMCIObjectArray sites() { return _sites_handle; } 215 JVMCIPrimitiveArray code() { return _code_handle; } 216 JVMCIPrimitiveArray data_section() { return _data_section_handle; } 217 JVMCIObjectArray data_section_patches() { return _data_section_patches_handle; } 218 #ifndef PRODUCT 219 JVMCIObjectArray comments() { return _comments_handle; } 220 #endif 221 JVMCIObject word_kind() { return _word_kind_handle; } 222 223 public: 224 225 CodeInstaller(JVMCIEnv* jvmci_env, bool immutable_pic_compilation) : _arena(mtJVMCI), _jvmci_env(jvmci_env), _immutable_pic_compilation(immutable_pic_compilation) {} 226 227 #if INCLUDE_AOT 228 JVMCI::CodeInstallResult gather_metadata(JVMCIObject target, JVMCIObject compiled_code, CodeMetadata& metadata, JVMCI_TRAPS); 229 #endif 230 JVMCI::CodeInstallResult install(JVMCICompiler* compiler, 231 JVMCIObject target, 232 JVMCIObject compiled_code, 233 CodeBlob*& cb, 234 JVMCIObject installed_code, 235 FailedSpeculation** failed_speculations, 236 char* speculations, 237 int speculations_len, 238 JVMCI_TRAPS); 239 240 JVMCIEnv* jvmci_env() { return _jvmci_env; } 241 JVMCIRuntime* runtime() { return _jvmci_env->runtime(); } 242 243 static address runtime_call_target_address(oop runtime_call); 244 static VMReg get_hotspot_reg(jint jvmciRegisterNumber, JVMCI_TRAPS); 245 static bool is_general_purpose_reg(VMReg hotspotRegister); 246 247 const OopMapSet* oopMapSet() const { return _debug_recorder->_oopmaps; } 248 249 protected: 250 Location::Type get_oop_type(JVMCIObject value); 251 ScopeValue* get_scope_value(JVMCIObject value, BasicType type, GrowableArray<ScopeValue*>* objects, ScopeValue* &second, JVMCI_TRAPS); 252 MonitorValue* get_monitor_value(JVMCIObject value, GrowableArray<ScopeValue*>* objects, JVMCI_TRAPS); 253 254 void* record_metadata_reference(CodeSection* section, address dest, JVMCIObject constant, JVMCI_TRAPS); 255 #ifdef _LP64 256 narrowKlass record_narrow_metadata_reference(CodeSection* section, address dest, JVMCIObject constant, JVMCI_TRAPS); 257 #endif 258 259 // extract the fields of the HotSpotCompiledCode 260 void initialize_fields(JVMCIObject target, JVMCIObject compiled_code, JVMCI_TRAPS); 261 void initialize_dependencies(JVMCIObject compiled_code, OopRecorder* oop_recorder, JVMCI_TRAPS); 262 263 int estimate_stubs_size(JVMCI_TRAPS); 264 265 // perform data and call relocation on the CodeBuffer 266 JVMCI::CodeInstallResult initialize_buffer(CodeBuffer& buffer, bool check_size, JVMCI_TRAPS); 267 268 void assumption_NoFinalizableSubclass(JVMCIObject assumption); 269 void assumption_ConcreteSubtype(JVMCIObject assumption); 270 void assumption_LeafType(JVMCIObject assumption); 271 void assumption_ConcreteMethod(JVMCIObject assumption); 272 void assumption_CallSiteTargetValue(JVMCIObject assumption, JVMCI_TRAPS); 273 274 void site_Safepoint(CodeBuffer& buffer, jint pc_offset, JVMCIObject site, JVMCI_TRAPS); 275 void site_Infopoint(CodeBuffer& buffer, jint pc_offset, JVMCIObject site, JVMCI_TRAPS); 276 void site_Call(CodeBuffer& buffer, jint pc_offset, JVMCIObject site, JVMCI_TRAPS); 277 void site_DataPatch(CodeBuffer& buffer, jint pc_offset, JVMCIObject site, JVMCI_TRAPS); 278 void site_Mark(CodeBuffer& buffer, jint pc_offset, JVMCIObject site, JVMCI_TRAPS); 279 void site_ExceptionHandler(jint pc_offset, JVMCIObject site); 280 281 OopMap* create_oop_map(JVMCIObject debug_info, JVMCI_TRAPS); 282 283 VMReg getVMRegFromLocation(JVMCIObject location, int total_frame_size, JVMCI_TRAPS); 284 285 /** 286 * Specifies the level of detail to record for a scope. 287 */ 288 enum ScopeMode { 289 // Only record a method and BCI 290 BytecodePosition, 291 // Record a method, bci and JVM frame state 292 FullFrame 293 }; 294 295 int map_jvmci_bci(int bci); 296 297 void record_scope(jint pc_offset, JVMCIObject debug_info, ScopeMode scope_mode, bool return_oop, JVMCI_TRAPS); 298 void record_scope(jint pc_offset, JVMCIObject debug_info, ScopeMode scope_mode, JVMCI_TRAPS) { 299 record_scope(pc_offset, debug_info, scope_mode, false /* return_oop */, JVMCIENV); 300 } 301 void record_scope(jint pc_offset, JVMCIObject position, ScopeMode scope_mode, GrowableArray<ScopeValue*>* objects, bool return_oop, JVMCI_TRAPS); 302 void record_object_value(ObjectValue* sv, JVMCIObject value, GrowableArray<ScopeValue*>* objects, JVMCI_TRAPS); 303 304 GrowableArray<ScopeValue*>* record_virtual_objects(JVMCIObject debug_info, JVMCI_TRAPS); 305 306 int estimateStubSpace(int static_call_stubs); 307 }; 308 309 #endif // SHARE_JVMCI_JVMCICODEINSTALLER_HPP