--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hotspot/share/jvmci/jvmciCodeInstaller.hpp Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,277 @@
+/*
+ * 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