Mercurial > hg > icedtea8-forest > hotspot
view src/share/vm/interpreter/abstractInterpreter.hpp @ 10905:f57189b7648d
8257192: Integrate AArch64 JIT port into 8u
7009641: Don't fail VM when CodeCache is full
8073108: [AArch64] Use x86 and SPARC CPU instructions for GHASH acceleration
8130309: Need to bailout cleanly if creation of stubs fails when codecache is out of space (AArch64 changes)
8131779: AARCH64: add Montgomery multiply intrinsic
8132875: AArch64: Fix error introduced into AArch64 CodeCache by commit for 8130309
8135018: AARCH64: Missing memory barriers for CMS collector
8145320: Create unsafe_arraycopy and generic_arraycopy for AArch64
8148328: aarch64: redundant lsr instructions in stub code.
8148783: aarch64: SEGV running SpecJBB2013
8148948: aarch64: generate_copy_longs calls align() incorrectly
8149080: AArch64: Recognise disjoint array copy in stub code
8149365: aarch64: memory copy does not prefetch on backwards copy
8149907: aarch64: use load/store pair instructions in call_stub
8150038: aarch64: make use of CBZ and CBNZ when comparing narrow pointer with zero
8150045: arraycopy causes segfaults in SATB during garbage collection
8150082: aarch64: optimise small array copy
8150229: aarch64: pipeline class for several instructions is not set correctly
8150313: aarch64: optimise array copy using SIMD instructions
8150394: aarch64: add support for 8.1 LSE CAS instructions
8150652: Remove unused code in AArch64 back end
8151340: aarch64: prefetch the destination word for write prior to ldxr/stxr loops.
8151502: optimize pd_disjoint_words and pd_conjoint_words
8151775: aarch64: add support for 8.1 LSE atomic operations
8152537: aarch64: Make use of CBZ and CBNZ when comparing unsigned values with zero.
8152840: aarch64: improve _unsafe_arraycopy stub routine
8153172: aarch64: hotspot crashes after the 8.1 LSE patch is merged
8153713: aarch64: improve short array clearing using store pair
8153797: aarch64: Add Arrays.fill stub code
8154413: AArch64: Better byte behaviour
8154537: AArch64: some integer rotate instructions are never emitted
8154739: AArch64: TemplateTable::fast_xaccess loads in wrong mode
8155015: Aarch64: bad assert in spill generation code
8155100: AArch64: Relax alignment requirement for byte_map_base
8155612: Aarch64: vector nodes need to support misaligned offset
8155617: aarch64: ClearArray does not use DC ZVA
8155627: Enable SA on AArch64
8155653: TestVectorUnalignedOffset.java not pushed with 8155612
8156731: aarch64: java/util/Arrays/Correct.java fails due to _generic_arraycopy stub routine
8157841: aarch64: prefetch ignores cache line size
8157906: aarch64: some more integer rotate instructions are never emitted
8158913: aarch64: SEGV running Spark terasort
8159052: aarch64: optimise unaligned copies in pd_disjoint_words and pd_conjoint_words
8159063: aarch64: optimise unaligned array copy long
8160748: [AArch64] Inconsistent types for ideal_reg
8161072: AArch64: jtreg compiler/uncommontrap/TestDeoptOOM failure
8161190: AArch64: Fix overflow in immediate cmp instruction
8164113: AArch64: follow-up the fix for 8161598
8165673: AArch64: Fix JNI floating point argument handling
8167200: AArch64: Broken stack pointer adjustment in interpreter
8167421: AArch64: in one core system, fatal error: Illegal threadstate encountered
8167595: AArch64: SEGV in stub code cipherBlockChaining_decryptAESCrypt
8168699: Validate special case invocations [AArch64 support]
8168888: Port 8160591: Improve internal array handling to AArch64.
8170100: AArch64: Crash in C1-compiled code accessing References
8170188: jtreg test compiler/types/TestMeetIncompatibleInterfaceArrays.java causes JVM crash
8170873: PPC64/aarch64: Poor StrictMath performance due to non-optimized compilation
8171537: aarch64: compiler/c1/Test6849574.java generates guarantee failure in C1
8172881: AArch64: assertion failure: the int pressure is incorrect
8173472: AArch64: C1 comparisons with null only use 32-bit instructions
8176100: [AArch64] [REDO][REDO] G1 Needs pre barrier on dereference of weak JNI handles
8177661: Correct ad rule output register types from iRegX to iRegXNoSp
8179954: AArch64: C1 and C2 volatile accesses are not sequentially consistent
8182581: aarch64: fix for crash caused by earlyret of compiled method
8183925: [AArch64] Decouple crash protection from watcher thread
8186325: AArch64: jtreg test hotspot/test/gc/g1/TestJNIWeakG1/TestJNIWeakG1.java SEGV
8187224: aarch64: some inconsistency between aarch64_ad.m4 and aarch64.ad
8189170: [AArch64] Add option to disable stack overflow checking in primordial thread for use with JNI_CreateJavaJVM
8193133: Assertion failure because 0xDEADDEAD can be in-heap
8195685: AArch64 port of 8174962: Better interface invocations
8195859: AArch64: vtableStubs gtest fails after 8174962
8196136: AArch64: Correct register use in patch for JDK-8194686
8196221: AArch64: Mistake in committed patch for JDK-8195859
8199712: [AArch64] Flight Recorder
8203481: Incorrect constraint for unextended_sp in frame:safe_for_sender
8203699: java/lang/invoke/SpecialInterfaceCall fails with SIGILL on aarch64
8205421: AARCH64: StubCodeMark should be placed after alignment
8206163: AArch64: incorrect code generation for StoreCM
8207345: Trampoline generation code reads from uninitialized memory
8207838: AArch64: Float registers incorrectly restored in JNI call
8209413: AArch64: NPE in clhsdb jstack command
8209414: [AArch64] method handle invocation does not respect JVMTI interp_only mode
8209415: Fix JVMTI test failure HS202
8209420: Track membars for volatile accesses so they can be properly optimized
8209835: Aarch64: elide barriers on all volatile operations
8210425: [AArch64] sharedRuntimeTrig/sharedRuntimeTrans compiled without optimization
8211064: [AArch64] Interpreter and c1 don't correctly handle jboolean results in native calls
8211233: MemBarNode::trailing_membar() and MemBarNode::leading_membar() need to handle dying subgraphs better
8213134: AArch64: vector shift failed with MaxVectorSize=8
8213419: [AArch64] C2 may hang in MulLNode::Ideal()/MulINode::Ideal() with gcc 8.2.1
8214857: "bad trailing membar" assert failure at memnode.cpp:3220
8215951: AArch64: jtreg test vmTestbase/nsk/jvmti/PopFrame/popframe005 segfaults
8215961: jdk/jfr/event/os/TestCPUInformation.java fails on AArch64
8216350: AArch64: monitor unlock fast path not called
8216989: CardTableBarrierSetAssembler::gen_write_ref_array_post_barrier() does not check for zero length on AARCH64
8217368: AArch64: C2 recursive stack locking optimisation not triggered
8218185: aarch64: missing LoadStore barrier in TemplateTable::putfield_or_static
8219011: Implement MacroAssembler::warn method on AArch64
8219635: aarch64: missing LoadStore barrier in TemplateTable::fast_storefield
8221220: AArch64: Add StoreStore membar explicitly for Volatile Writes in TemplateTable
8221658: aarch64: add necessary predicate for ubfx patterns
8224671: AArch64: mauve System.arraycopy test failure
8224828: aarch64: rflags is not correct after safepoint poll
8224851: AArch64: fix warnings and errors with Clang and GCC 8.3
8224880: AArch64: java/javac error with AllocatePrefetchDistance
8228400: Remove built-in AArch64 simulator
8228406: Superfluous change in chaitin.hpp
8228593: Revert explicit JDK 7 support additions
8228716: Revert InstanceKlass::print_on debug additions
8228718: Revert incorrect backport of JDK-8129757 to 8-aarch64
8228725: AArch64: Purge method call format support
8228747: Revert "unused" attribute from test_arraycopy_func
8228767: Revert ResourceMark additions
8228770: Revert development hsdis changes
8229123: Revert build fixes for aarch64/zero
8229124: Revert disassembler.cpp changes
8229145: Revert TemplateTable::bytecode() visibility change
8233839: aarch64: missing memory barrier in NewObjectArrayStub and NewTypeArrayStub
8237512: AArch64: aarch64TestHook leaks a BufferBlob
8246482: Build failures with +JFR -PCH
8247979: aarch64: missing side effect of killing flags for clearArray_reg_reg
8248219: aarch64: missing memory barrier in fast_storefield and fast_accessfield
Reviewed-by: shade, aph
author | andrew |
---|---|
date | Mon, 01 Feb 2021 03:48:36 +0000 |
parents | ddce0b7cee93 |
children | f79e943d15a7 |
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/* * Copyright (c) 1997, 2015, 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_INTERPRETER_ABSTRACTINTERPRETER_HPP #define SHARE_VM_INTERPRETER_ABSTRACTINTERPRETER_HPP #include "code/stubs.hpp" #include "interpreter/bytecodes.hpp" #include "runtime/thread.inline.hpp" #include "runtime/vmThread.hpp" #include "utilities/top.hpp" #if defined INTERP_MASM_MD_HPP # include INTERP_MASM_MD_HPP #elif defined TARGET_ARCH_x86 # include "interp_masm_x86.hpp" #elif defined TARGET_ARCH_MODEL_aarch64 # include "interp_masm_aarch64.hpp" #elif defined TARGET_ARCH_MODEL_sparc # include "interp_masm_sparc.hpp" #elif defined TARGET_ARCH_MODEL_zero # include "interp_masm_zero.hpp" #elif defined TARGET_ARCH_MODEL_ppc_64 # include "interp_masm_ppc_64.hpp" #endif // This file contains the platform-independent parts // of the abstract interpreter and the abstract interpreter generator. // Organization of the interpreter(s). There exists two different interpreters in hotpot // an assembly language version (aka template interpreter) and a high level language version // (aka c++ interpreter). Th division of labor is as follows: // Template Interpreter C++ Interpreter Functionality // // templateTable* bytecodeInterpreter* actual interpretation of bytecodes // // templateInterpreter* cppInterpreter* generation of assembly code that creates // and manages interpreter runtime frames. // Also code for populating interpreter // frames created during deoptimization. // // For both template and c++ interpreter. There are common files for aspects of the interpreter // that are generic to both interpreters. This is the layout: // // abstractInterpreter.hpp: generic description of the interpreter. // interpreter*: generic frame creation and handling. // //------------------------------------------------------------------------------------------------------------------------ // The C++ interface to the bytecode interpreter(s). class AbstractInterpreter: AllStatic { friend class VMStructs; friend class Interpreter; friend class CppInterpreterGenerator; public: enum MethodKind { zerolocals, // method needs locals initialization zerolocals_synchronized, // method needs locals initialization & is synchronized native, // native method native_synchronized, // native method & is synchronized empty, // empty method (code: _return) accessor, // accessor method (code: _aload_0, _getfield, _(a|i)return) abstract, // abstract method (throws an AbstractMethodException) method_handle_invoke_FIRST, // java.lang.invoke.MethodHandles::invokeExact, etc. method_handle_invoke_LAST = (method_handle_invoke_FIRST + (vmIntrinsics::LAST_MH_SIG_POLY - vmIntrinsics::FIRST_MH_SIG_POLY)), java_lang_math_sin, // implementation of java.lang.Math.sin (x) java_lang_math_cos, // implementation of java.lang.Math.cos (x) java_lang_math_tan, // implementation of java.lang.Math.tan (x) java_lang_math_abs, // implementation of java.lang.Math.abs (x) java_lang_math_sqrt, // implementation of java.lang.Math.sqrt (x) java_lang_math_log, // implementation of java.lang.Math.log (x) java_lang_math_log10, // implementation of java.lang.Math.log10 (x) java_lang_math_pow, // implementation of java.lang.Math.pow (x,y) java_lang_math_exp, // implementation of java.lang.Math.exp (x) java_lang_ref_reference_get, // implementation of java.lang.ref.Reference.get() java_util_zip_CRC32_update, // implementation of java.util.zip.CRC32.update() java_util_zip_CRC32_updateBytes, // implementation of java.util.zip.CRC32.updateBytes() java_util_zip_CRC32_updateByteBuffer, // implementation of java.util.zip.CRC32.updateByteBuffer() number_of_method_entries, invalid = -1 }; // Conversion from the part of the above enum to vmIntrinsics::_invokeExact, etc. static vmIntrinsics::ID method_handle_intrinsic(MethodKind kind) { if (kind >= method_handle_invoke_FIRST && kind <= method_handle_invoke_LAST) return (vmIntrinsics::ID)( vmIntrinsics::FIRST_MH_SIG_POLY + (kind - method_handle_invoke_FIRST) ); else return vmIntrinsics::_none; } enum SomeConstants { number_of_result_handlers = 10 // number of result handlers for native calls }; protected: static StubQueue* _code; // the interpreter code (codelets) static bool _notice_safepoints; // true if safepoints are activated static address _native_entry_begin; // Region for native entry code static address _native_entry_end; // method entry points static address _entry_table[number_of_method_entries]; // entry points for a given method static address _native_abi_to_tosca[number_of_result_handlers]; // for native method result handlers static address _slow_signature_handler; // the native method generic (slow) signature handler static address _rethrow_exception_entry; // rethrows an activation in previous frame friend class AbstractInterpreterGenerator; friend class InterpreterGenerator; friend class InterpreterMacroAssembler; public: // Initialization/debugging static void initialize(); static StubQueue* code() { return _code; } // Method activation static MethodKind method_kind(methodHandle m); static address entry_for_kind(MethodKind k) { assert(0 <= k && k < number_of_method_entries, "illegal kind"); return _entry_table[k]; } static address entry_for_method(methodHandle m) { return entry_for_kind(method_kind(m)); } // used for bootstrapping method handles: static void set_entry_for_kind(MethodKind k, address e); static void print_method_kind(MethodKind kind) PRODUCT_RETURN; static bool can_be_compiled(methodHandle m); // Runtime support // length = invoke bytecode length (to advance to next bytecode) static address deopt_entry(TosState state, int length) { ShouldNotReachHere(); return NULL; } static address return_entry(TosState state, int length, Bytecodes::Code code) { ShouldNotReachHere(); return NULL; } static address rethrow_exception_entry() { return _rethrow_exception_entry; } // Activation size in words for a method that is just being called. // Parameters haven't been pushed so count them too. static int size_top_interpreter_activation(Method* method); // Deoptimization support // Compute the entry address for continuation after static address deopt_continue_after_entry(Method* method, address bcp, int callee_parameters, bool is_top_frame); // Compute the entry address for reexecution static address deopt_reexecute_entry(Method* method, address bcp); // Deoptimization should reexecute this bytecode static bool bytecode_should_reexecute(Bytecodes::Code code); // deoptimization support static int size_activation(int max_stack, int temps, int extra_args, int monitors, int callee_params, int callee_locals, bool is_top_frame); static void layout_activation(Method* method, int temps, int popframe_args, int monitors, int caller_actual_parameters, int callee_params, int callee_locals, frame* caller, frame* interpreter_frame, bool is_top_frame, bool is_bottom_frame); // Runtime support static bool is_not_reached( methodHandle method, int bci); // Safepoint support static void notice_safepoints() { ShouldNotReachHere(); } // stops the thread when reaching a safepoint static void ignore_safepoints() { ShouldNotReachHere(); } // ignores safepoints // Support for native calls static address slow_signature_handler() { return _slow_signature_handler; } static address result_handler(BasicType type) { return _native_abi_to_tosca[BasicType_as_index(type)]; } static int BasicType_as_index(BasicType type); // computes index into result_handler_by_index table static bool in_native_entry(address pc) { return _native_entry_begin <= pc && pc < _native_entry_end; } // Debugging/printing static void print(); // prints the interpreter code public: // Interpreter helpers const static int stackElementWords = 1; const static int stackElementSize = stackElementWords * wordSize; const static int logStackElementSize = LogBytesPerWord; // Local values relative to locals[n] static int local_offset_in_bytes(int n) { return ((frame::interpreter_frame_expression_stack_direction() * n) * stackElementSize); } // access to stacked values according to type: static oop* oop_addr_in_slot(intptr_t* slot_addr) { return (oop*) slot_addr; } static jint* int_addr_in_slot(intptr_t* slot_addr) { if ((int) sizeof(jint) < wordSize && !Bytes::is_Java_byte_ordering_different()) // big-endian LP64 return (jint*)(slot_addr + 1) - 1; else return (jint*) slot_addr; } static jlong long_in_slot(intptr_t* slot_addr) { if (sizeof(intptr_t) >= sizeof(jlong)) { return *(jlong*) slot_addr; } else { return Bytes::get_native_u8((address)slot_addr); } } static void set_long_in_slot(intptr_t* slot_addr, jlong value) { if (sizeof(intptr_t) >= sizeof(jlong)) { *(jlong*) slot_addr = value; } else { Bytes::put_native_u8((address)slot_addr, value); } } static void get_jvalue_in_slot(intptr_t* slot_addr, BasicType type, jvalue* value) { switch (type) { case T_BOOLEAN: value->z = *int_addr_in_slot(slot_addr); break; case T_CHAR: value->c = *int_addr_in_slot(slot_addr); break; case T_BYTE: value->b = *int_addr_in_slot(slot_addr); break; case T_SHORT: value->s = *int_addr_in_slot(slot_addr); break; case T_INT: value->i = *int_addr_in_slot(slot_addr); break; case T_LONG: value->j = long_in_slot(slot_addr); break; case T_FLOAT: value->f = *(jfloat*)int_addr_in_slot(slot_addr); break; case T_DOUBLE: value->d = jdouble_cast(long_in_slot(slot_addr)); break; case T_OBJECT: value->l = (jobject)*oop_addr_in_slot(slot_addr); break; default: ShouldNotReachHere(); } } static void set_jvalue_in_slot(intptr_t* slot_addr, BasicType type, jvalue* value) { switch (type) { case T_BOOLEAN: *int_addr_in_slot(slot_addr) = (value->z != 0); break; case T_CHAR: *int_addr_in_slot(slot_addr) = value->c; break; case T_BYTE: *int_addr_in_slot(slot_addr) = value->b; break; case T_SHORT: *int_addr_in_slot(slot_addr) = value->s; break; case T_INT: *int_addr_in_slot(slot_addr) = value->i; break; case T_LONG: set_long_in_slot(slot_addr, value->j); break; case T_FLOAT: *(jfloat*)int_addr_in_slot(slot_addr) = value->f; break; case T_DOUBLE: set_long_in_slot(slot_addr, jlong_cast(value->d)); break; case T_OBJECT: *oop_addr_in_slot(slot_addr) = (oop) value->l; break; default: ShouldNotReachHere(); } } }; //------------------------------------------------------------------------------------------------------------------------ // The interpreter generator. class Template; class AbstractInterpreterGenerator: public StackObj { protected: InterpreterMacroAssembler* _masm; // shared code sequences // Converter for native abi result to tosca result address generate_result_handler_for(BasicType type); address generate_slow_signature_handler(); // entry point generator address generate_method_entry(AbstractInterpreter::MethodKind kind); void bang_stack_shadow_pages(bool native_call); void generate_all(); void initialize_method_handle_entries(); public: AbstractInterpreterGenerator(StubQueue* _code); }; #endif // SHARE_VM_INTERPRETER_ABSTRACTINTERPRETER_HPP