Mercurial > hg > icedtea8-forest > hotspot
view src/share/vm/prims/methodHandles.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 | 575f637864df |
children | f79e943d15a7 |
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/* * Copyright (c) 2008, 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_PRIMS_METHODHANDLES_HPP #define SHARE_VM_PRIMS_METHODHANDLES_HPP #include "classfile/javaClasses.hpp" #include "classfile/vmSymbols.hpp" #include "runtime/frame.inline.hpp" #include "runtime/globals.hpp" #include "runtime/interfaceSupport.hpp" class MacroAssembler; class Label; class MethodHandles: AllStatic { // JVM support for MethodHandle, MethodType, and related types // in java.lang.invoke and sun.invoke. // See also javaClasses for layouts java_lang_invoke_Method{Handle,Type,Type::Form}. public: public: static bool enabled() { return _enabled; } static void set_enabled(bool z); private: static bool _enabled; // Adapters. static MethodHandlesAdapterBlob* _adapter_code; // utility functions for reifying names and types static oop field_name_or_null(Symbol* s); static oop field_signature_type_or_null(Symbol* s); public: // working with member names static Handle resolve_MemberName(Handle mname, KlassHandle caller, TRAPS); // compute vmtarget/vmindex from name/type static void expand_MemberName(Handle mname, int suppress, TRAPS); // expand defc/name/type if missing static Handle new_MemberName(TRAPS); // must be followed by init_MemberName static oop init_MemberName(Handle mname_h, Handle target_h); // compute vmtarget/vmindex from target static oop init_field_MemberName(Handle mname_h, fieldDescriptor& fd, bool is_setter = false); static oop init_method_MemberName(Handle mname_h, CallInfo& info, bool intern = true); static int method_ref_kind(Method* m, bool do_dispatch_if_possible = true); static int find_MemberNames(KlassHandle k, Symbol* name, Symbol* sig, int mflags, KlassHandle caller, int skip, objArrayHandle results); // bit values for suppress argument to expand_MemberName: enum { _suppress_defc = 1, _suppress_name = 2, _suppress_type = 4 }; // Generate MethodHandles adapters. static void generate_adapters(); // Called from MethodHandlesAdapterGenerator. static address generate_method_handle_interpreter_entry(MacroAssembler* _masm, vmIntrinsics::ID iid); static void generate_method_handle_dispatch(MacroAssembler* _masm, vmIntrinsics::ID iid, Register receiver_reg, Register member_reg, bool for_compiler_entry); // Queries static bool is_signature_polymorphic(vmIntrinsics::ID iid) { return (iid >= vmIntrinsics::FIRST_MH_SIG_POLY && iid <= vmIntrinsics::LAST_MH_SIG_POLY); } static bool is_signature_polymorphic_intrinsic(vmIntrinsics::ID iid) { assert(is_signature_polymorphic(iid), ""); // Most sig-poly methods are intrinsics which do not require an // appeal to Java for adapter code. return (iid != vmIntrinsics::_invokeGeneric); } static bool is_signature_polymorphic_static(vmIntrinsics::ID iid) { assert(is_signature_polymorphic(iid), ""); return (iid >= vmIntrinsics::FIRST_MH_STATIC && iid <= vmIntrinsics::LAST_MH_SIG_POLY); } static bool has_member_arg(vmIntrinsics::ID iid) { assert(is_signature_polymorphic(iid), ""); return (iid >= vmIntrinsics::_linkToVirtual && iid <= vmIntrinsics::_linkToInterface); } static bool has_member_arg(Symbol* klass, Symbol* name) { if ((klass == vmSymbols::java_lang_invoke_MethodHandle()) && is_signature_polymorphic_name(name)) { vmIntrinsics::ID iid = signature_polymorphic_name_id(name); return has_member_arg(iid); } return false; } static Symbol* signature_polymorphic_intrinsic_name(vmIntrinsics::ID iid); static int signature_polymorphic_intrinsic_ref_kind(vmIntrinsics::ID iid); static vmIntrinsics::ID signature_polymorphic_name_id(Klass* klass, Symbol* name); static vmIntrinsics::ID signature_polymorphic_name_id(Symbol* name); static bool is_signature_polymorphic_name(Symbol* name) { return signature_polymorphic_name_id(name) != vmIntrinsics::_none; } static bool is_method_handle_invoke_name(Klass* klass, Symbol* name); static bool is_signature_polymorphic_name(Klass* klass, Symbol* name) { return signature_polymorphic_name_id(klass, name) != vmIntrinsics::_none; } enum { // format of query to getConstant: GC_COUNT_GWT = 4, GC_LAMBDA_SUPPORT = 5 }; static int get_named_constant(int which, Handle name_box, TRAPS); public: static Symbol* lookup_signature(oop type_str, bool polymorphic, TRAPS); // use TempNewSymbol static Symbol* lookup_basic_type_signature(Symbol* sig, bool keep_last_arg, TRAPS); // use TempNewSymbol static Symbol* lookup_basic_type_signature(Symbol* sig, TRAPS) { return lookup_basic_type_signature(sig, false, THREAD); } static bool is_basic_type_signature(Symbol* sig); static Symbol* lookup_method_type(Symbol* msig, Handle mtype, TRAPS); static void print_as_method_type_on(outputStream* st, Symbol* sig) { print_as_basic_type_signature_on(st, sig, true, true); } static void print_as_basic_type_signature_on(outputStream* st, Symbol* sig, bool keep_arrays = false, bool keep_basic_names = false); // decoding CONSTANT_MethodHandle constants enum { JVM_REF_MIN = JVM_REF_getField, JVM_REF_MAX = JVM_REF_invokeInterface }; static bool ref_kind_is_valid(int ref_kind) { return (ref_kind >= JVM_REF_MIN && ref_kind <= JVM_REF_MAX); } static bool ref_kind_is_field(int ref_kind) { assert(ref_kind_is_valid(ref_kind), ""); return (ref_kind <= JVM_REF_putStatic); } static bool ref_kind_is_getter(int ref_kind) { assert(ref_kind_is_valid(ref_kind), ""); return (ref_kind <= JVM_REF_getStatic); } static bool ref_kind_is_setter(int ref_kind) { return ref_kind_is_field(ref_kind) && !ref_kind_is_getter(ref_kind); } static bool ref_kind_is_method(int ref_kind) { return !ref_kind_is_field(ref_kind) && (ref_kind != JVM_REF_newInvokeSpecial); } static bool ref_kind_has_receiver(int ref_kind) { assert(ref_kind_is_valid(ref_kind), ""); return (ref_kind & 1) != 0; } static bool ref_kind_is_static(int ref_kind) { return !ref_kind_has_receiver(ref_kind) && (ref_kind != JVM_REF_newInvokeSpecial); } static bool ref_kind_does_dispatch(int ref_kind) { return (ref_kind == JVM_REF_invokeVirtual || ref_kind == JVM_REF_invokeInterface); } #ifdef TARGET_ARCH_x86 # include "methodHandles_x86.hpp" #endif #ifdef TARGET_ARCH_aarch64 # include "methodHandles_aarch64.hpp" #endif #ifdef TARGET_ARCH_sparc # include "methodHandles_sparc.hpp" #endif #ifdef TARGET_ARCH_zero # include "methodHandles_zero.hpp" #endif #ifdef TARGET_ARCH_arm # include "methodHandles_arm.hpp" #endif #ifdef TARGET_ARCH_ppc # include "methodHandles_ppc.hpp" #endif // Tracing static void trace_method_handle(MacroAssembler* _masm, const char* adaptername) PRODUCT_RETURN; static void trace_method_handle_interpreter_entry(MacroAssembler* _masm, vmIntrinsics::ID iid) { if (TraceMethodHandles) { const char* name = vmIntrinsics::name_at(iid); if (*name == '_') name += 1; const size_t len = strlen(name) + 50; char* qname = NEW_C_HEAP_ARRAY(char, len, mtInternal); const char* suffix = ""; if (is_signature_polymorphic(iid)) { if (is_signature_polymorphic_static(iid)) suffix = "/static"; else suffix = "/private"; } jio_snprintf(qname, len, "MethodHandle::interpreter_entry::%s%s", name, suffix); trace_method_handle(_masm, qname); // Note: Don't free the allocated char array because it's used // during runtime. } } }; //------------------------------------------------------------------------------ // MethodHandlesAdapterGenerator // class MethodHandlesAdapterGenerator : public StubCodeGenerator { public: MethodHandlesAdapterGenerator(CodeBuffer* code) : StubCodeGenerator(code, PrintMethodHandleStubs) {} void generate(); }; //------------------------------------------------------------------------------ // MemberNameTable // class MemberNameTable : public GrowableArray<jweak> { public: MemberNameTable(int methods_cnt); ~MemberNameTable(); oop add_member_name(jweak mem_name_ref); oop find_or_add_member_name(jweak mem_name_ref); #if INCLUDE_JVMTI // RedefineClasses() API support: // If a MemberName refers to old_method then update it to refer to new_method. void adjust_method_entries(InstanceKlass* holder, bool * trace_name_printed); #endif // INCLUDE_JVMTI }; #endif // SHARE_VM_PRIMS_METHODHANDLES_HPP