| /* |
| * Copyright (c) 2011, 2017, 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 |
| * 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| #ifndef SHARE_VM_JVMCI_JVMCI_CODE_INSTALLER_HPP |
| #define SHARE_VM_JVMCI_JVMCI_CODE_INSTALLER_HPP |
| |
| #include "jvmci/jvmciCompiler.hpp" |
| #include "jvmci/jvmciEnv.hpp" |
| #include "code/nativeInst.hpp" |
| |
| class RelocBuffer : public StackObj { |
| enum { stack_size = 1024 }; |
| public: |
| RelocBuffer() : _size(0), _buffer(0) {} |
| ~RelocBuffer(); |
| void ensure_size(size_t bytes); |
| void set_size(size_t bytes); |
| address begin() const; |
| size_t size() const { return _size; } |
| private: |
| size_t _size; |
| char _static_buffer[stack_size]; |
| char *_buffer; |
| }; |
| |
| class AOTOopRecorder : public OopRecorder { |
| public: |
| AOTOopRecorder(Arena* arena = NULL, bool deduplicate = false); |
| |
| virtual int find_index(Metadata* h); |
| virtual int find_index(jobject h); |
| int nr_meta_strings() const; |
| const char* meta_element(int pos) const; |
| |
| private: |
| void record_meta_string(const char* name, int index); |
| |
| GrowableArray<const char*>* _meta_strings; |
| }; |
| |
| class CodeMetadata { |
| public: |
| CodeMetadata() {} |
| |
| CodeBlob* get_code_blob() const { return _cb; } |
| |
| PcDesc* get_pc_desc() const { return _pc_desc; } |
| int get_nr_pc_desc() const { return _nr_pc_desc; } |
| |
| u_char* get_scopes_desc() const { return _scopes_desc; } |
| int get_scopes_size() const { return _nr_scopes_desc; } |
| |
| RelocBuffer* get_reloc_buffer() { return &_reloc_buffer; } |
| |
| AOTOopRecorder* get_oop_recorder() { return _oop_recorder; } |
| |
| ExceptionHandlerTable* get_exception_table() { return _exception_table; } |
| |
| void set_pc_desc(PcDesc* desc, int count) { |
| _pc_desc = desc; |
| _nr_pc_desc = count; |
| } |
| |
| void set_scopes(u_char* scopes, int size) { |
| _scopes_desc = scopes; |
| _nr_scopes_desc = size; |
| } |
| |
| void set_oop_recorder(AOTOopRecorder* recorder) { |
| _oop_recorder = recorder; |
| } |
| |
| void set_exception_table(ExceptionHandlerTable* table) { |
| _exception_table = table; |
| } |
| |
| private: |
| CodeBlob* _cb; |
| PcDesc* _pc_desc; |
| int _nr_pc_desc; |
| |
| u_char* _scopes_desc; |
| int _nr_scopes_desc; |
| |
| RelocBuffer _reloc_buffer; |
| AOTOopRecorder* _oop_recorder; |
| ExceptionHandlerTable* _exception_table; |
| }; |
| |
| /* |
| * This class handles the conversion from a InstalledCode to a CodeBlob or an nmethod. |
| */ |
| class CodeInstaller : public StackObj { |
| friend class JVMCIVMStructs; |
| private: |
| enum MarkId { |
| VERIFIED_ENTRY = 1, |
| UNVERIFIED_ENTRY = 2, |
| OSR_ENTRY = 3, |
| EXCEPTION_HANDLER_ENTRY = 4, |
| DEOPT_HANDLER_ENTRY = 5, |
| INVOKEINTERFACE = 6, |
| INVOKEVIRTUAL = 7, |
| INVOKESTATIC = 8, |
| INVOKESPECIAL = 9, |
| INLINE_INVOKE = 10, |
| POLL_NEAR = 11, |
| POLL_RETURN_NEAR = 12, |
| POLL_FAR = 13, |
| POLL_RETURN_FAR = 14, |
| CARD_TABLE_ADDRESS = 15, |
| CARD_TABLE_SHIFT = 16, |
| HEAP_TOP_ADDRESS = 17, |
| HEAP_END_ADDRESS = 18, |
| NARROW_KLASS_BASE_ADDRESS = 19, |
| NARROW_OOP_BASE_ADDRESS = 20, |
| CRC_TABLE_ADDRESS = 21, |
| LOG_OF_HEAP_REGION_GRAIN_BYTES = 22, |
| INLINE_CONTIGUOUS_ALLOCATION_SUPPORTED = 23, |
| INVOKE_INVALID = -1 |
| }; |
| |
| Arena _arena; |
| |
| jobject _data_section_handle; |
| jobject _data_section_patches_handle; |
| jobject _sites_handle; |
| CodeOffsets _offsets; |
| |
| jobject _code_handle; |
| jint _code_size; |
| jint _total_frame_size; |
| jint _orig_pc_offset; |
| jint _parameter_count; |
| jint _constants_size; |
| #ifndef PRODUCT |
| jobject _comments_handle; |
| #endif |
| |
| bool _has_wide_vector; |
| jobject _word_kind_handle; |
| |
| MarkId _next_call_type; |
| address _invoke_mark_pc; |
| |
| CodeSection* _instructions; |
| CodeSection* _constants; |
| |
| OopRecorder* _oop_recorder; |
| DebugInformationRecorder* _debug_recorder; |
| Dependencies* _dependencies; |
| ExceptionHandlerTable _exception_handler_table; |
| |
| bool _immutable_pic_compilation; // Installer is called for Immutable PIC compilation. |
| |
| static ConstantOopWriteValue* _oop_null_scope_value; |
| static ConstantIntValue* _int_m1_scope_value; |
| static ConstantIntValue* _int_0_scope_value; |
| static ConstantIntValue* _int_1_scope_value; |
| static ConstantIntValue* _int_2_scope_value; |
| static LocationValue* _illegal_value; |
| |
| jint pd_next_offset(NativeInstruction* inst, jint pc_offset, Handle method, TRAPS); |
| void pd_patch_OopConstant(int pc_offset, Handle constant, TRAPS); |
| void pd_patch_MetaspaceConstant(int pc_offset, Handle constant, TRAPS); |
| void pd_patch_DataSectionReference(int pc_offset, int data_offset, TRAPS); |
| void pd_relocate_ForeignCall(NativeInstruction* inst, jlong foreign_call_destination, TRAPS); |
| void pd_relocate_JavaMethod(Handle method, jint pc_offset, TRAPS); |
| void pd_relocate_poll(address pc, jint mark, TRAPS); |
| |
| objArrayOop sites() { return (objArrayOop) JNIHandles::resolve(_sites_handle); } |
| arrayOop code() { return (arrayOop) JNIHandles::resolve(_code_handle); } |
| arrayOop data_section() { return (arrayOop) JNIHandles::resolve(_data_section_handle); } |
| objArrayOop data_section_patches() { return (objArrayOop) JNIHandles::resolve(_data_section_patches_handle); } |
| #ifndef PRODUCT |
| objArrayOop comments() { return (objArrayOop) JNIHandles::resolve(_comments_handle); } |
| #endif |
| |
| oop word_kind() { return (oop) JNIHandles::resolve(_word_kind_handle); } |
| |
| public: |
| |
| CodeInstaller(bool immutable_pic_compilation) : _arena(mtCompiler), _immutable_pic_compilation(immutable_pic_compilation) {} |
| |
| JVMCIEnv::CodeInstallResult gather_metadata(Handle target, Handle compiled_code, CodeMetadata& metadata, TRAPS); |
| JVMCIEnv::CodeInstallResult install(JVMCICompiler* compiler, Handle target, Handle compiled_code, CodeBlob*& cb, Handle installed_code, Handle speculation_log, TRAPS); |
| |
| static address runtime_call_target_address(oop runtime_call); |
| static VMReg get_hotspot_reg(jint jvmciRegisterNumber, TRAPS); |
| static bool is_general_purpose_reg(VMReg hotspotRegister); |
| |
| const OopMapSet* oopMapSet() const { return _debug_recorder->_oopmaps; } |
| |
| protected: |
| Location::Type get_oop_type(Thread* thread, Handle value); |
| ScopeValue* get_scope_value(Handle value, BasicType type, GrowableArray<ScopeValue*>* objects, ScopeValue* &second, TRAPS); |
| MonitorValue* get_monitor_value(Handle value, GrowableArray<ScopeValue*>* objects, TRAPS); |
| |
| void* record_metadata_reference(CodeSection* section, address dest, Handle constant, TRAPS); |
| #ifdef _LP64 |
| narrowKlass record_narrow_metadata_reference(CodeSection* section, address dest, Handle constant, TRAPS); |
| #endif |
| |
| // extract the fields of the HotSpotCompiledCode |
| void initialize_fields(oop target, oop target_method, TRAPS); |
| void initialize_dependencies(oop target_method, OopRecorder* oop_recorder, TRAPS); |
| |
| int estimate_stubs_size(TRAPS); |
| |
| // perform data and call relocation on the CodeBuffer |
| JVMCIEnv::CodeInstallResult initialize_buffer(CodeBuffer& buffer, bool check_size, TRAPS); |
| |
| void assumption_NoFinalizableSubclass(Thread* thread, Handle assumption); |
| void assumption_ConcreteSubtype(Thread* thread, Handle assumption); |
| void assumption_LeafType(Thread* thread, Handle assumption); |
| void assumption_ConcreteMethod(Thread* thread, Handle assumption); |
| void assumption_CallSiteTargetValue(Thread* thread, Handle assumption); |
| |
| void site_Safepoint(CodeBuffer& buffer, jint pc_offset, Handle site, TRAPS); |
| void site_Infopoint(CodeBuffer& buffer, jint pc_offset, Handle site, TRAPS); |
| void site_Call(CodeBuffer& buffer, jint pc_offset, Handle site, TRAPS); |
| void site_DataPatch(CodeBuffer& buffer, jint pc_offset, Handle site, TRAPS); |
| void site_Mark(CodeBuffer& buffer, jint pc_offset, Handle site, TRAPS); |
| void site_ExceptionHandler(jint pc_offset, Handle site); |
| |
| OopMap* create_oop_map(Handle debug_info, TRAPS); |
| |
| /** |
| * Specifies the level of detail to record for a scope. |
| */ |
| enum ScopeMode { |
| // Only record a method and BCI |
| BytecodePosition, |
| // Record a method, bci and JVM frame state |
| FullFrame |
| }; |
| |
| void record_scope(jint pc_offset, Handle debug_info, ScopeMode scope_mode, bool return_oop, TRAPS); |
| void record_scope(jint pc_offset, Handle debug_info, ScopeMode scope_mode, TRAPS) { |
| record_scope(pc_offset, debug_info, scope_mode, false /* return_oop */, THREAD); |
| } |
| void record_scope(jint pc_offset, Handle position, ScopeMode scope_mode, GrowableArray<ScopeValue*>* objects, bool return_oop, TRAPS); |
| void record_object_value(ObjectValue* sv, Handle value, GrowableArray<ScopeValue*>* objects, TRAPS); |
| |
| GrowableArray<ScopeValue*>* record_virtual_objects(Handle debug_info, TRAPS); |
| |
| int estimateStubSpace(int static_call_stubs); |
| }; |
| |
| /** |
| * Gets the Method metaspace object from a HotSpotResolvedJavaMethodImpl Java object. |
| */ |
| Method* getMethodFromHotSpotMethod(oop hotspot_method); |
| |
| |
| |
| #endif // SHARE_VM_JVMCI_JVMCI_CODE_INSTALLER_HPP |